diff --git a/arch/mips/kernel/cevt-r4k.c b/arch/mips/kernel/cevt-r4k.c index 32ec67c9ab67..77028aa8c107 100644 --- a/arch/mips/kernel/cevt-r4k.c +++ b/arch/mips/kernel/cevt-r4k.c @@ -303,13 +303,6 @@ int r4k_clockevent_init(void) if (!c0_compare_int_usable()) return -ENXIO; - /* - * With vectored interrupts things are getting platform specific. - * get_c0_compare_int is a hook to allow a platform to return the - * interrupt number of its liking. - */ - irq = get_c0_compare_int(); - cd = &per_cpu(mips_clockevent_device, cpu); cd->name = "MIPS"; @@ -320,7 +313,6 @@ int r4k_clockevent_init(void) min_delta = calculate_min_delta(); cd->rating = 300; - cd->irq = irq; cd->cpumask = cpumask_of(cpu); cd->set_next_event = mips_next_event; cd->event_handler = mips_event_handler; @@ -332,6 +324,13 @@ int r4k_clockevent_init(void) cp0_timer_irq_installed = 1; + /* + * With vectored interrupts things are getting platform specific. + * get_c0_compare_int is a hook to allow a platform to return the + * interrupt number of its liking. + */ + irq = get_c0_compare_int(); + if (request_irq(irq, c0_compare_interrupt, flags, "timer", c0_compare_interrupt)) pr_err("Failed to request irq %d (timer)\n", irq); diff --git a/arch/riscv/kernel/head.S b/arch/riscv/kernel/head.S index 4bf6c449d78b..1a017ad53343 100644 --- a/arch/riscv/kernel/head.S +++ b/arch/riscv/kernel/head.S @@ -307,6 +307,9 @@ clear_bss_done: #else mv a0, s1 #endif /* CONFIG_BUILTIN_DTB */ + /* Set trap vector to spin forever to help debug */ + la a3, .Lsecondary_park + csrw CSR_TVEC, a3 call setup_vm #ifdef CONFIG_MMU la a0, early_pg_dir diff --git a/arch/s390/kernel/vmlinux.lds.S b/arch/s390/kernel/vmlinux.lds.S index 729d4f949cfe..52d6e5d1b453 100644 --- a/arch/s390/kernel/vmlinux.lds.S +++ b/arch/s390/kernel/vmlinux.lds.S @@ -71,6 +71,15 @@ SECTIONS . = ALIGN(PAGE_SIZE); __end_ro_after_init = .; + .data.rel.ro : { + *(.data.rel.ro .data.rel.ro.*) + } + .got : { + __got_start = .; + *(.got) + __got_end = .; + } + RW_DATA(0x100, PAGE_SIZE, THREAD_SIZE) BOOT_DATA_PRESERVED diff --git a/arch/um/drivers/line.c b/arch/um/drivers/line.c index 95ad6b190d1d..6b4faca401ea 100644 --- a/arch/um/drivers/line.c +++ b/arch/um/drivers/line.c @@ -383,6 +383,7 @@ int setup_one_line(struct line *lines, int n, char *init, parse_chan_pair(NULL, line, n, opts, error_out); err = 0; } + *error_out = "configured as 'none'"; } else { char *new = kstrdup(init, GFP_KERNEL); if (!new) { @@ -406,6 +407,7 @@ int setup_one_line(struct line *lines, int n, char *init, } } if (err) { + *error_out = "failed to parse channel pair"; line->init_str = NULL; line->valid = 0; kfree(new); diff --git a/arch/x86/include/asm/fpu/types.h b/arch/x86/include/asm/fpu/types.h index eb7cd1139d97..b85af124f899 100644 --- a/arch/x86/include/asm/fpu/types.h +++ b/arch/x86/include/asm/fpu/types.h @@ -577,6 +577,13 @@ struct fpu_state_config { * even without XSAVE support, i.e. legacy features FP + SSE */ u64 legacy_features; + /* + * @independent_features: + * + * Features that are supported by XSAVES, but not managed as part of + * the FPU core, such as LBR + */ + u64 independent_features; }; /* FPU state configuration information */ diff --git a/arch/x86/kernel/fpu/xstate.c b/arch/x86/kernel/fpu/xstate.c index 2aa849705bb6..d18594343745 100644 --- a/arch/x86/kernel/fpu/xstate.c +++ b/arch/x86/kernel/fpu/xstate.c @@ -792,6 +792,9 @@ void __init fpu__init_system_xstate(unsigned int legacy_size) goto out_disable; } + fpu_kernel_cfg.independent_features = fpu_kernel_cfg.max_features & + XFEATURE_MASK_INDEPENDENT; + /* * Clear XSAVE features that are disabled in the normal CPUID. */ diff --git a/arch/x86/kernel/fpu/xstate.h b/arch/x86/kernel/fpu/xstate.h index 19ca623ffa2a..544224611e23 100644 --- a/arch/x86/kernel/fpu/xstate.h +++ b/arch/x86/kernel/fpu/xstate.h @@ -64,9 +64,9 @@ static inline u64 xfeatures_mask_supervisor(void) static inline u64 xfeatures_mask_independent(void) { if (!cpu_feature_enabled(X86_FEATURE_ARCH_LBR)) - return XFEATURE_MASK_INDEPENDENT & ~XFEATURE_MASK_LBR; + return fpu_kernel_cfg.independent_features & ~XFEATURE_MASK_LBR; - return XFEATURE_MASK_INDEPENDENT; + return fpu_kernel_cfg.independent_features; } /* XSAVE/XRSTOR wrapper functions */ diff --git a/arch/x86/lib/iomem.c b/arch/x86/lib/iomem.c index e0411a3774d4..5eecb45d05d5 100644 --- a/arch/x86/lib/iomem.c +++ b/arch/x86/lib/iomem.c @@ -25,6 +25,9 @@ static __always_inline void rep_movs(void *to, const void *from, size_t n) static void string_memcpy_fromio(void *to, const volatile void __iomem *from, size_t n) { + const void *orig_to = to; + const size_t orig_n = n; + if (unlikely(!n)) return; @@ -39,7 +42,7 @@ static void string_memcpy_fromio(void *to, const volatile void __iomem *from, si } rep_movs(to, (const void *)from, n); /* KMSAN must treat values read from devices as initialized. */ - kmsan_unpoison_memory(to, n); + kmsan_unpoison_memory(orig_to, orig_n); } static void string_memcpy_toio(volatile void __iomem *to, const void *from, size_t n) diff --git a/drivers/ata/pata_macio.c b/drivers/ata/pata_macio.c index 9ccaac9e2bc3..f19ede2965a1 100644 --- a/drivers/ata/pata_macio.c +++ b/drivers/ata/pata_macio.c @@ -540,7 +540,8 @@ static enum ata_completion_errors pata_macio_qc_prep(struct ata_queued_cmd *qc) while (sg_len) { /* table overflow should never happen */ - BUG_ON (pi++ >= MAX_DCMDS); + if (WARN_ON_ONCE(pi >= MAX_DCMDS)) + return AC_ERR_SYSTEM; len = (sg_len < MAX_DBDMA_SEG) ? sg_len : MAX_DBDMA_SEG; table->command = cpu_to_le16(write ? OUTPUT_MORE: INPUT_MORE); @@ -552,11 +553,13 @@ static enum ata_completion_errors pata_macio_qc_prep(struct ata_queued_cmd *qc) addr += len; sg_len -= len; ++table; + ++pi; } } /* Should never happen according to Tejun */ - BUG_ON(!pi); + if (WARN_ON_ONCE(!pi)) + return AC_ERR_SYSTEM; /* Convert the last command to an input/output */ table--; diff --git a/drivers/base/devres.c b/drivers/base/devres.c index f9add2ecdc55..35d1e2864696 100644 --- a/drivers/base/devres.c +++ b/drivers/base/devres.c @@ -564,6 +564,7 @@ void * devres_open_group(struct device *dev, void *id, gfp_t gfp) grp->id = grp; if (id) grp->id = id; + grp->color = 0; spin_lock_irqsave(&dev->devres_lock, flags); add_dr(dev, &grp->node[0]); diff --git a/drivers/clk/qcom/clk-alpha-pll.c b/drivers/clk/qcom/clk-alpha-pll.c index 1973d79c9465..391b8da8849b 100644 --- a/drivers/clk/qcom/clk-alpha-pll.c +++ b/drivers/clk/qcom/clk-alpha-pll.c @@ -40,7 +40,7 @@ #define PLL_USER_CTL(p) ((p)->offset + (p)->regs[PLL_OFF_USER_CTL]) # define PLL_POST_DIV_SHIFT 8 -# define PLL_POST_DIV_MASK(p) GENMASK((p)->width, 0) +# define PLL_POST_DIV_MASK(p) GENMASK((p)->width - 1, 0) # define PLL_ALPHA_EN BIT(24) # define PLL_ALPHA_MODE BIT(25) # define PLL_VCO_SHIFT 20 @@ -1421,8 +1421,8 @@ clk_trion_pll_postdiv_set_rate(struct clk_hw *hw, unsigned long rate, } return regmap_update_bits(regmap, PLL_USER_CTL(pll), - PLL_POST_DIV_MASK(pll) << PLL_POST_DIV_SHIFT, - val << PLL_POST_DIV_SHIFT); + PLL_POST_DIV_MASK(pll) << pll->post_div_shift, + val << pll->post_div_shift); } const struct clk_ops clk_alpha_pll_postdiv_trion_ops = { diff --git a/drivers/clocksource/timer-imx-tpm.c b/drivers/clocksource/timer-imx-tpm.c index bd64a8a8427f..92c025b70eb6 100644 --- a/drivers/clocksource/timer-imx-tpm.c +++ b/drivers/clocksource/timer-imx-tpm.c @@ -83,20 +83,28 @@ static u64 notrace tpm_read_sched_clock(void) static int tpm_set_next_event(unsigned long delta, struct clock_event_device *evt) { - unsigned long next, now; + unsigned long next, prev, now; - next = tpm_read_counter(); - next += delta; + prev = tpm_read_counter(); + next = prev + delta; writel(next, timer_base + TPM_C0V); now = tpm_read_counter(); + /* + * Need to wait CNT increase at least 1 cycle to make sure + * the C0V has been updated into HW. + */ + if ((next & 0xffffffff) != readl(timer_base + TPM_C0V)) + while (now == tpm_read_counter()) + ; + /* * NOTE: We observed in a very small probability, the bus fabric * contention between GPU and A7 may results a few cycles delay * of writing CNT registers which may cause the min_delta event got * missed, so we need add a ETIME check here in case it happened. */ - return (int)(next - now) <= 0 ? -ETIME : 0; + return (now - prev) >= delta ? -ETIME : 0; } static int tpm_set_state_oneshot(struct clock_event_device *evt) diff --git a/drivers/clocksource/timer-of.c b/drivers/clocksource/timer-of.c index 59bc5921acad..b7c186dc83da 100644 --- a/drivers/clocksource/timer-of.c +++ b/drivers/clocksource/timer-of.c @@ -25,10 +25,7 @@ static void timer_of_irq_exit(struct of_timer_irq *of_irq) struct clock_event_device *clkevt = &to->clkevt; - if (of_irq->percpu) - free_percpu_irq(of_irq->irq, clkevt); - else - free_irq(of_irq->irq, clkevt); + free_irq(of_irq->irq, clkevt); } /** @@ -42,9 +39,6 @@ static void timer_of_irq_exit(struct of_timer_irq *of_irq) * - Get interrupt number by name * - Get interrupt number by index * - * When the interrupt is per CPU, 'request_percpu_irq()' is called, - * otherwise 'request_irq()' is used. - * * Returns 0 on success, < 0 otherwise */ static int timer_of_irq_init(struct device_node *np, @@ -69,12 +63,9 @@ static int timer_of_irq_init(struct device_node *np, return -EINVAL; } - ret = of_irq->percpu ? - request_percpu_irq(of_irq->irq, of_irq->handler, - np->full_name, clkevt) : - request_irq(of_irq->irq, of_irq->handler, - of_irq->flags ? of_irq->flags : IRQF_TIMER, - np->full_name, clkevt); + ret = request_irq(of_irq->irq, of_irq->handler, + of_irq->flags ? of_irq->flags : IRQF_TIMER, + np->full_name, clkevt); if (ret) { pr_err("Failed to request irq %d for %pOF\n", of_irq->irq, np); return ret; diff --git a/drivers/clocksource/timer-of.h b/drivers/clocksource/timer-of.h index 5d1472846346..367d7023c623 100644 --- a/drivers/clocksource/timer-of.h +++ b/drivers/clocksource/timer-of.h @@ -11,7 +11,6 @@ struct of_timer_irq { int irq; int index; - int percpu; const char *name; unsigned long flags; irq_handler_t handler; diff --git a/drivers/crypto/qat/qat_common/adf_gen2_pfvf.c b/drivers/crypto/qat/qat_common/adf_gen2_pfvf.c index 70ef11963938..43af81fcab86 100644 --- a/drivers/crypto/qat/qat_common/adf_gen2_pfvf.c +++ b/drivers/crypto/qat/qat_common/adf_gen2_pfvf.c @@ -100,7 +100,9 @@ static u32 adf_gen2_disable_pending_vf2pf_interrupts(void __iomem *pmisc_addr) errmsk3 |= ADF_GEN2_ERR_MSK_VF2PF(ADF_GEN2_VF_MSK); ADF_CSR_WR(pmisc_addr, ADF_GEN2_ERRMSK3, errmsk3); - errmsk3 &= ADF_GEN2_ERR_MSK_VF2PF(sources | disabled); + /* Update only section of errmsk3 related to VF2PF */ + errmsk3 &= ~ADF_GEN2_ERR_MSK_VF2PF(ADF_GEN2_VF_MSK); + errmsk3 |= ADF_GEN2_ERR_MSK_VF2PF(sources | disabled); ADF_CSR_WR(pmisc_addr, ADF_GEN2_ERRMSK3, errmsk3); /* Return the sources of the (new) interrupt(s) */ diff --git a/drivers/crypto/qat/qat_dh895xcc/adf_dh895xcc_hw_data.c b/drivers/crypto/qat/qat_dh895xcc/adf_dh895xcc_hw_data.c index cb3bdd3618fb..85295c7ee0e0 100644 --- a/drivers/crypto/qat/qat_dh895xcc/adf_dh895xcc_hw_data.c +++ b/drivers/crypto/qat/qat_dh895xcc/adf_dh895xcc_hw_data.c @@ -180,8 +180,12 @@ static u32 disable_pending_vf2pf_interrupts(void __iomem *pmisc_addr) ADF_CSR_WR(pmisc_addr, ADF_GEN2_ERRMSK3, errmsk3); ADF_CSR_WR(pmisc_addr, ADF_GEN2_ERRMSK5, errmsk5); - errmsk3 &= ADF_DH895XCC_ERR_MSK_VF2PF_L(sources | disabled); - errmsk5 &= ADF_DH895XCC_ERR_MSK_VF2PF_U(sources | disabled); + /* Update only section of errmsk3 and errmsk5 related to VF2PF */ + errmsk3 &= ~ADF_DH895XCC_ERR_MSK_VF2PF_L(ADF_DH895XCC_VF_MSK); + errmsk5 &= ~ADF_DH895XCC_ERR_MSK_VF2PF_U(ADF_DH895XCC_VF_MSK); + + errmsk3 |= ADF_DH895XCC_ERR_MSK_VF2PF_L(sources | disabled); + errmsk5 |= ADF_DH895XCC_ERR_MSK_VF2PF_U(sources | disabled); ADF_CSR_WR(pmisc_addr, ADF_GEN2_ERRMSK3, errmsk3); ADF_CSR_WR(pmisc_addr, ADF_GEN2_ERRMSK5, errmsk5); diff --git a/drivers/firmware/cirrus/cs_dsp.c b/drivers/firmware/cirrus/cs_dsp.c index 68005cce0136..cf4f4da0cb87 100644 --- a/drivers/firmware/cirrus/cs_dsp.c +++ b/drivers/firmware/cirrus/cs_dsp.c @@ -764,6 +764,9 @@ int cs_dsp_coeff_write_ctrl(struct cs_dsp_coeff_ctl *ctl, lockdep_assert_held(&ctl->dsp->pwr_lock); + if (ctl->flags && !(ctl->flags & WMFW_CTL_FLAG_WRITEABLE)) + return -EPERM; + if (len + off * sizeof(u32) > ctl->len) return -EINVAL; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c index aabde6ebb190..ac773b191071 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c @@ -873,8 +873,7 @@ static int check_tiling_flags_gfx6(struct amdgpu_framebuffer *afb) { u64 micro_tile_mode; - /* Zero swizzle mode means linear */ - if (AMDGPU_TILING_GET(afb->tiling_flags, SWIZZLE_MODE) == 0) + if (AMDGPU_TILING_GET(afb->tiling_flags, ARRAY_MODE) == 1) /* LINEAR_ALIGNED */ return 0; micro_tile_mode = AMDGPU_TILING_GET(afb->tiling_flags, MICRO_TILE_MODE); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c index af50e6ce39e1..d7b76a3d2d55 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c @@ -132,8 +132,10 @@ int amdgpu_virt_request_full_gpu(struct amdgpu_device *adev, bool init) if (virt->ops && virt->ops->req_full_gpu) { r = virt->ops->req_full_gpu(adev, init); - if (r) + if (r) { + adev->no_hw_access = true; return r; + } adev->virt.caps &= ~AMDGPU_SRIOV_CAPS_RUNTIME; } diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c index 1f9f7fdd4b8e..c76895cca4d9 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c @@ -4330,11 +4330,11 @@ static int gfx_v11_0_hw_init(void *handle) /* RLC autoload sequence 1: Program rlc ram */ if (adev->gfx.imu.funcs->program_rlc_ram) adev->gfx.imu.funcs->program_rlc_ram(adev); + /* rlc autoload firmware */ + r = gfx_v11_0_rlc_backdoor_autoload_enable(adev); + if (r) + return r; } - /* rlc autoload firmware */ - r = gfx_v11_0_rlc_backdoor_autoload_enable(adev); - if (r) - return r; } else { if (adev->firmware.load_type == AMDGPU_FW_LOAD_DIRECT) { if (adev->gfx.imu.funcs && (amdgpu_dpm > 0)) { diff --git a/drivers/gpu/drm/amd/amdgpu/ih_v6_0.c b/drivers/gpu/drm/amd/amdgpu/ih_v6_0.c index 657e4ca6f9dd..fccbec438bbe 100644 --- a/drivers/gpu/drm/amd/amdgpu/ih_v6_0.c +++ b/drivers/gpu/drm/amd/amdgpu/ih_v6_0.c @@ -135,6 +135,34 @@ static int ih_v6_0_toggle_ring_interrupts(struct amdgpu_device *adev, tmp = RREG32(ih_regs->ih_rb_cntl); tmp = REG_SET_FIELD(tmp, IH_RB_CNTL, RB_ENABLE, (enable ? 1 : 0)); + + if (enable) { + /* Unset the CLEAR_OVERFLOW bit to make sure the next step + * is switching the bit from 0 to 1 + */ + tmp = REG_SET_FIELD(tmp, IH_RB_CNTL, WPTR_OVERFLOW_CLEAR, 0); + if (amdgpu_sriov_vf(adev) && amdgpu_sriov_reg_indirect_ih(adev)) { + if (psp_reg_program(&adev->psp, ih_regs->psp_reg_id, tmp)) + return -ETIMEDOUT; + } else { + WREG32_NO_KIQ(ih_regs->ih_rb_cntl, tmp); + } + + /* Clear RB_OVERFLOW bit */ + tmp = REG_SET_FIELD(tmp, IH_RB_CNTL, WPTR_OVERFLOW_CLEAR, 1); + if (amdgpu_sriov_vf(adev) && amdgpu_sriov_reg_indirect_ih(adev)) { + if (psp_reg_program(&adev->psp, ih_regs->psp_reg_id, tmp)) + return -ETIMEDOUT; + } else { + WREG32_NO_KIQ(ih_regs->ih_rb_cntl, tmp); + } + + /* Unset the CLEAR_OVERFLOW bit immediately so new overflows + * can be detected. + */ + tmp = REG_SET_FIELD(tmp, IH_RB_CNTL, WPTR_OVERFLOW_CLEAR, 0); + } + /* enable_intr field is only valid in ring0 */ if (ih == &adev->irq.ih) tmp = REG_SET_FIELD(tmp, IH_RB_CNTL, ENABLE_INTR, (enable ? 1 : 0)); diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index 0be1a1149a3f..393e32259a77 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -6767,7 +6767,7 @@ static int dm_update_mst_vcpi_slots_for_dsc(struct drm_atomic_state *state, } } - if (j == dc_state->stream_count) + if (j == dc_state->stream_count || pbn_div == 0) continue; slot_num = DIV_ROUND_UP(pbn, pbn_div); diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp1_execution.c b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp1_execution.c index 1ddb4f5eac8e..93c0455766dd 100644 --- a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp1_execution.c +++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp1_execution.c @@ -433,17 +433,20 @@ static enum mod_hdcp_status authenticated_dp(struct mod_hdcp *hdcp, } if (status == MOD_HDCP_STATUS_SUCCESS) - mod_hdcp_execute_and_set(mod_hdcp_read_bstatus, + if (!mod_hdcp_execute_and_set(mod_hdcp_read_bstatus, &input->bstatus_read, &status, - hdcp, "bstatus_read"); + hdcp, "bstatus_read")) + goto out; if (status == MOD_HDCP_STATUS_SUCCESS) - mod_hdcp_execute_and_set(check_link_integrity_dp, + if (!mod_hdcp_execute_and_set(check_link_integrity_dp, &input->link_integrity_check, &status, - hdcp, "link_integrity_check"); + hdcp, "link_integrity_check")) + goto out; if (status == MOD_HDCP_STATUS_SUCCESS) - mod_hdcp_execute_and_set(check_no_reauthentication_request_dp, + if (!mod_hdcp_execute_and_set(check_no_reauthentication_request_dp, &input->reauth_request_check, &status, - hdcp, "reauth_request_check"); + hdcp, "reauth_request_check")) + goto out; out: return status; } diff --git a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c index 5d193872fd1a..dfd653e1b6ad 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c +++ b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c @@ -1871,7 +1871,8 @@ static int smu_adjust_power_state_dynamic(struct smu_context *smu, smu_dpm_ctx->dpm_level = level; } - if (smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_PERF_DETERMINISM) { + if (smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL && + smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_PERF_DETERMINISM) { index = fls(smu->workload_mask); index = index > 0 && index <= WORKLOAD_POLICY_MAX ? index - 1 : 0; workload[0] = smu->workload_setting[index]; @@ -1950,7 +1951,8 @@ static int smu_switch_power_profile(void *handle, workload[0] = smu->workload_setting[index]; } - if (smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_PERF_DETERMINISM) + if (smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL && + smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_PERF_DETERMINISM) smu_bump_power_profile_mode(smu, workload, 0); return 0; diff --git a/drivers/hid/amd-sfh-hid/amd_sfh_hid.c b/drivers/hid/amd-sfh-hid/amd_sfh_hid.c index 1b18291fc5af..d682b99c25b1 100644 --- a/drivers/hid/amd-sfh-hid/amd_sfh_hid.c +++ b/drivers/hid/amd-sfh-hid/amd_sfh_hid.c @@ -171,11 +171,13 @@ err_hid_data: void amdtp_hid_remove(struct amdtp_cl_data *cli_data) { int i; + struct amdtp_hid_data *hid_data; for (i = 0; i < cli_data->num_hid_devices; ++i) { if (cli_data->hid_sensor_hubs[i]) { - kfree(cli_data->hid_sensor_hubs[i]->driver_data); + hid_data = cli_data->hid_sensor_hubs[i]->driver_data; hid_destroy_device(cli_data->hid_sensor_hubs[i]); + kfree(hid_data); cli_data->hid_sensor_hubs[i] = NULL; } } diff --git a/drivers/hid/hid-cougar.c b/drivers/hid/hid-cougar.c index cb8bd8aae15b..0fa785f52707 100644 --- a/drivers/hid/hid-cougar.c +++ b/drivers/hid/hid-cougar.c @@ -106,7 +106,7 @@ static void cougar_fix_g6_mapping(void) static __u8 *cougar_report_fixup(struct hid_device *hdev, __u8 *rdesc, unsigned int *rsize) { - if (rdesc[2] == 0x09 && rdesc[3] == 0x02 && + if (*rsize >= 117 && rdesc[2] == 0x09 && rdesc[3] == 0x02 && (rdesc[115] | rdesc[116] << 8) >= HID_MAX_USAGES) { hid_info(hdev, "usage count exceeds max: fixing up report descriptor\n"); diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c index e9c3f1e826ba..a2191bc5c153 100644 --- a/drivers/hv/vmbus_drv.c +++ b/drivers/hv/vmbus_drv.c @@ -1977,6 +1977,7 @@ static umode_t vmbus_chan_attr_is_visible(struct kobject *kobj, return attr->mode; } +EXPORT_SYMBOL_GPL(vmbus_device_unregister); static struct attribute_group vmbus_chan_group = { .attrs = vmbus_chan_attrs, diff --git a/drivers/hwmon/adc128d818.c b/drivers/hwmon/adc128d818.c index 97b330b6c165..bad2d39d9733 100644 --- a/drivers/hwmon/adc128d818.c +++ b/drivers/hwmon/adc128d818.c @@ -176,7 +176,7 @@ static ssize_t adc128_in_store(struct device *dev, mutex_lock(&data->update_lock); /* 10 mV LSB on limit registers */ - regval = clamp_val(DIV_ROUND_CLOSEST(val, 10), 0, 255); + regval = DIV_ROUND_CLOSEST(clamp_val(val, 0, 2550), 10); data->in[index][nr] = regval << 4; reg = index == 1 ? ADC128_REG_IN_MIN(nr) : ADC128_REG_IN_MAX(nr); i2c_smbus_write_byte_data(data->client, reg, regval); @@ -214,7 +214,7 @@ static ssize_t adc128_temp_store(struct device *dev, return err; mutex_lock(&data->update_lock); - regval = clamp_val(DIV_ROUND_CLOSEST(val, 1000), -128, 127); + regval = DIV_ROUND_CLOSEST(clamp_val(val, -128000, 127000), 1000); data->temp[index] = regval << 1; i2c_smbus_write_byte_data(data->client, index == 1 ? ADC128_REG_TEMP_MAX diff --git a/drivers/hwmon/lm95234.c b/drivers/hwmon/lm95234.c index b4a9d0c223c4..db570fe84132 100644 --- a/drivers/hwmon/lm95234.c +++ b/drivers/hwmon/lm95234.c @@ -301,7 +301,8 @@ static ssize_t tcrit2_store(struct device *dev, struct device_attribute *attr, if (ret < 0) return ret; - val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), 0, index ? 255 : 127); + val = DIV_ROUND_CLOSEST(clamp_val(val, 0, (index ? 255 : 127) * 1000), + 1000); mutex_lock(&data->update_lock); data->tcrit2[index] = val; @@ -350,7 +351,7 @@ static ssize_t tcrit1_store(struct device *dev, struct device_attribute *attr, if (ret < 0) return ret; - val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), 0, 255); + val = DIV_ROUND_CLOSEST(clamp_val(val, 0, 255000), 1000); mutex_lock(&data->update_lock); data->tcrit1[index] = val; @@ -391,7 +392,7 @@ static ssize_t tcrit1_hyst_store(struct device *dev, if (ret < 0) return ret; - val = DIV_ROUND_CLOSEST(val, 1000); + val = DIV_ROUND_CLOSEST(clamp_val(val, -255000, 255000), 1000); val = clamp_val((int)data->tcrit1[index] - val, 0, 31); mutex_lock(&data->update_lock); @@ -431,7 +432,7 @@ static ssize_t offset_store(struct device *dev, struct device_attribute *attr, return ret; /* Accuracy is 1/2 degrees C */ - val = clamp_val(DIV_ROUND_CLOSEST(val, 500), -128, 127); + val = DIV_ROUND_CLOSEST(clamp_val(val, -64000, 63500), 500); mutex_lock(&data->update_lock); data->toffset[index] = val; diff --git a/drivers/hwmon/nct6775-core.c b/drivers/hwmon/nct6775-core.c index 9720ad214c20..83e424945b59 100644 --- a/drivers/hwmon/nct6775-core.c +++ b/drivers/hwmon/nct6775-core.c @@ -2171,7 +2171,7 @@ store_temp_offset(struct device *dev, struct device_attribute *attr, if (err < 0) return err; - val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), -128, 127); + val = DIV_ROUND_CLOSEST(clamp_val(val, -128000, 127000), 1000); mutex_lock(&data->update_lock); data->temp_offset[nr] = val; diff --git a/drivers/hwmon/w83627ehf.c b/drivers/hwmon/w83627ehf.c index 939d4c35e713..66d71aba4171 100644 --- a/drivers/hwmon/w83627ehf.c +++ b/drivers/hwmon/w83627ehf.c @@ -895,7 +895,7 @@ store_target_temp(struct device *dev, struct device_attribute *attr, if (err < 0) return err; - val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), 0, 127); + val = DIV_ROUND_CLOSEST(clamp_val(val, 0, 127000), 1000); mutex_lock(&data->update_lock); data->target_temp[nr] = val; @@ -920,7 +920,7 @@ store_tolerance(struct device *dev, struct device_attribute *attr, return err; /* Limit the temp to 0C - 15C */ - val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), 0, 15); + val = DIV_ROUND_CLOSEST(clamp_val(val, 0, 15000), 1000); mutex_lock(&data->update_lock); reg = w83627ehf_read_value(data, W83627EHF_REG_TOLERANCE[nr]); diff --git a/drivers/i3c/master/mipi-i3c-hci/dma.c b/drivers/i3c/master/mipi-i3c-hci/dma.c index 337c95d43f3f..edc3a69bfe31 100644 --- a/drivers/i3c/master/mipi-i3c-hci/dma.c +++ b/drivers/i3c/master/mipi-i3c-hci/dma.c @@ -291,7 +291,10 @@ static int hci_dma_init(struct i3c_hci *hci) rh->ibi_chunk_sz = dma_get_cache_alignment(); rh->ibi_chunk_sz *= IBI_CHUNK_CACHELINES; - BUG_ON(rh->ibi_chunk_sz > 256); + if (rh->ibi_chunk_sz > 256) { + ret = -EINVAL; + goto err_out; + } ibi_status_ring_sz = rh->ibi_status_sz * rh->ibi_status_entries; ibi_data_ring_sz = rh->ibi_chunk_sz * rh->ibi_chunks_total; diff --git a/drivers/iio/adc/ad7124.c b/drivers/iio/adc/ad7124.c index 4088786e1026..deaf600d96fb 100644 --- a/drivers/iio/adc/ad7124.c +++ b/drivers/iio/adc/ad7124.c @@ -146,15 +146,18 @@ struct ad7124_chip_info { struct ad7124_channel_config { bool live; unsigned int cfg_slot; - enum ad7124_ref_sel refsel; - bool bipolar; - bool buf_positive; - bool buf_negative; - unsigned int vref_mv; - unsigned int pga_bits; - unsigned int odr; - unsigned int odr_sel_bits; - unsigned int filter_type; + /* Following fields are used to compare equality. */ + struct_group(config_props, + enum ad7124_ref_sel refsel; + bool bipolar; + bool buf_positive; + bool buf_negative; + unsigned int vref_mv; + unsigned int pga_bits; + unsigned int odr; + unsigned int odr_sel_bits; + unsigned int filter_type; + ); }; struct ad7124_channel { @@ -333,11 +336,12 @@ static struct ad7124_channel_config *ad7124_find_similar_live_cfg(struct ad7124_ ptrdiff_t cmp_size; int i; - cmp_size = (u8 *)&cfg->live - (u8 *)cfg; + cmp_size = sizeof_field(struct ad7124_channel_config, config_props); for (i = 0; i < st->num_channels; i++) { cfg_aux = &st->channels[i].cfg; - if (cfg_aux->live && !memcmp(cfg, cfg_aux, cmp_size)) + if (cfg_aux->live && + !memcmp(&cfg->config_props, &cfg_aux->config_props, cmp_size)) return cfg_aux; } @@ -761,6 +765,7 @@ static int ad7124_soft_reset(struct ad7124_state *st) if (ret < 0) return ret; + fsleep(200); timeout = 100; do { ret = ad_sd_read_reg(&st->sd, AD7124_STATUS, 1, &readval); diff --git a/drivers/iio/adc/ad7606.c b/drivers/iio/adc/ad7606.c index ba24f99523e0..00df4fc5a51f 100644 --- a/drivers/iio/adc/ad7606.c +++ b/drivers/iio/adc/ad7606.c @@ -49,7 +49,7 @@ static const unsigned int ad7616_oversampling_avail[8] = { 1, 2, 4, 8, 16, 32, 64, 128, }; -static int ad7606_reset(struct ad7606_state *st) +int ad7606_reset(struct ad7606_state *st) { if (st->gpio_reset) { gpiod_set_value(st->gpio_reset, 1); @@ -60,6 +60,7 @@ static int ad7606_reset(struct ad7606_state *st) return -ENODEV; } +EXPORT_SYMBOL_NS_GPL(ad7606_reset, IIO_AD7606); static int ad7606_reg_access(struct iio_dev *indio_dev, unsigned int reg, @@ -88,31 +89,6 @@ static int ad7606_read_samples(struct ad7606_state *st) { unsigned int num = st->chip_info->num_channels - 1; u16 *data = st->data; - int ret; - - /* - * The frstdata signal is set to high while and after reading the sample - * of the first channel and low for all other channels. This can be used - * to check that the incoming data is correctly aligned. During normal - * operation the data should never become unaligned, but some glitch or - * electrostatic discharge might cause an extra read or clock cycle. - * Monitoring the frstdata signal allows to recover from such failure - * situations. - */ - - if (st->gpio_frstdata) { - ret = st->bops->read_block(st->dev, 1, data); - if (ret) - return ret; - - if (!gpiod_get_value(st->gpio_frstdata)) { - ad7606_reset(st); - return -EIO; - } - - data++; - num--; - } return st->bops->read_block(st->dev, num, data); } diff --git a/drivers/iio/adc/ad7606.h b/drivers/iio/adc/ad7606.h index 2dc4f599f9df..9d8520b8bada 100644 --- a/drivers/iio/adc/ad7606.h +++ b/drivers/iio/adc/ad7606.h @@ -153,6 +153,8 @@ int ad7606_probe(struct device *dev, int irq, void __iomem *base_address, const char *name, unsigned int id, const struct ad7606_bus_ops *bops); +int ad7606_reset(struct ad7606_state *st); + enum ad7606_supported_device_ids { ID_AD7605_4, ID_AD7606_8, diff --git a/drivers/iio/adc/ad7606_par.c b/drivers/iio/adc/ad7606_par.c index b912b4df9b56..0827d5535584 100644 --- a/drivers/iio/adc/ad7606_par.c +++ b/drivers/iio/adc/ad7606_par.c @@ -7,6 +7,7 @@ #include #include +#include #include #include #include @@ -21,8 +22,29 @@ static int ad7606_par16_read_block(struct device *dev, struct iio_dev *indio_dev = dev_get_drvdata(dev); struct ad7606_state *st = iio_priv(indio_dev); - insw((unsigned long)st->base_address, buf, count); + /* + * On the parallel interface, the frstdata signal is set to high while + * and after reading the sample of the first channel and low for all + * other channels. This can be used to check that the incoming data is + * correctly aligned. During normal operation the data should never + * become unaligned, but some glitch or electrostatic discharge might + * cause an extra read or clock cycle. Monitoring the frstdata signal + * allows to recover from such failure situations. + */ + int num = count; + u16 *_buf = buf; + + if (st->gpio_frstdata) { + insw((unsigned long)st->base_address, _buf, 1); + if (!gpiod_get_value(st->gpio_frstdata)) { + ad7606_reset(st); + return -EIO; + } + _buf++; + num--; + } + insw((unsigned long)st->base_address, _buf, num); return 0; } @@ -35,8 +57,28 @@ static int ad7606_par8_read_block(struct device *dev, { struct iio_dev *indio_dev = dev_get_drvdata(dev); struct ad7606_state *st = iio_priv(indio_dev); + /* + * On the parallel interface, the frstdata signal is set to high while + * and after reading the sample of the first channel and low for all + * other channels. This can be used to check that the incoming data is + * correctly aligned. During normal operation the data should never + * become unaligned, but some glitch or electrostatic discharge might + * cause an extra read or clock cycle. Monitoring the frstdata signal + * allows to recover from such failure situations. + */ + int num = count; + u16 *_buf = buf; - insb((unsigned long)st->base_address, buf, count * 2); + if (st->gpio_frstdata) { + insb((unsigned long)st->base_address, _buf, 2); + if (!gpiod_get_value(st->gpio_frstdata)) { + ad7606_reset(st); + return -EIO; + } + _buf++; + num--; + } + insb((unsigned long)st->base_address, _buf, num * 2); return 0; } diff --git a/drivers/iio/buffer/industrialio-buffer-dmaengine.c b/drivers/iio/buffer/industrialio-buffer-dmaengine.c index f744b62a636a..3d2ccae1e58d 100644 --- a/drivers/iio/buffer/industrialio-buffer-dmaengine.c +++ b/drivers/iio/buffer/industrialio-buffer-dmaengine.c @@ -180,7 +180,7 @@ static struct iio_buffer *iio_dmaengine_buffer_alloc(struct device *dev, ret = dma_get_slave_caps(chan, &caps); if (ret < 0) - goto err_free; + goto err_release; /* Needs to be aligned to the maximum of the minimums */ if (caps.src_addr_widths) @@ -206,6 +206,8 @@ static struct iio_buffer *iio_dmaengine_buffer_alloc(struct device *dev, return &dmaengine_buffer->queue.buffer; +err_release: + dma_release_channel(chan); err_free: kfree(dmaengine_buffer); return ERR_PTR(ret); diff --git a/drivers/iio/inkern.c b/drivers/iio/inkern.c index bd854e92c6f8..81344ceac951 100644 --- a/drivers/iio/inkern.c +++ b/drivers/iio/inkern.c @@ -679,17 +679,17 @@ static int iio_convert_raw_to_processed_unlocked(struct iio_channel *chan, break; case IIO_VAL_INT_PLUS_MICRO: if (scale_val2 < 0) - *processed = -raw64 * scale_val; + *processed = -raw64 * scale_val * scale; else - *processed = raw64 * scale_val; + *processed = raw64 * scale_val * scale; *processed += div_s64(raw64 * (s64)scale_val2 * scale, 1000000LL); break; case IIO_VAL_INT_PLUS_NANO: if (scale_val2 < 0) - *processed = -raw64 * scale_val; + *processed = -raw64 * scale_val * scale; else - *processed = raw64 * scale_val; + *processed = raw64 * scale_val * scale; *processed += div_s64(raw64 * (s64)scale_val2 * scale, 1000000000LL); break; diff --git a/drivers/input/misc/uinput.c b/drivers/input/misc/uinput.c index d98212d55108..2c973f15cab7 100644 --- a/drivers/input/misc/uinput.c +++ b/drivers/input/misc/uinput.c @@ -417,6 +417,20 @@ static int uinput_validate_absinfo(struct input_dev *dev, unsigned int code, return -EINVAL; } + /* + * Limit number of contacts to a reasonable value (100). This + * ensures that we need less than 2 pages for struct input_mt + * (we are not using in-kernel slot assignment so not going to + * allocate memory for the "red" table), and we should have no + * trouble getting this much memory. + */ + if (code == ABS_MT_SLOT && max > 99) { + printk(KERN_DEBUG + "%s: unreasonably large number of slots requested: %d\n", + UINPUT_NAME, max); + return -EINVAL; + } + return 0; } diff --git a/drivers/input/touchscreen/ili210x.c b/drivers/input/touchscreen/ili210x.c index e3a36cd3656c..8c8eea5173f7 100644 --- a/drivers/input/touchscreen/ili210x.c +++ b/drivers/input/touchscreen/ili210x.c @@ -586,7 +586,7 @@ static int ili251x_firmware_to_buffer(const struct firmware *fw, * once, copy them all into this buffer at the right locations, and then * do all operations on this linear buffer. */ - fw_buf = kzalloc(SZ_64K, GFP_KERNEL); + fw_buf = kvmalloc(SZ_64K, GFP_KERNEL); if (!fw_buf) return -ENOMEM; @@ -616,7 +616,7 @@ static int ili251x_firmware_to_buffer(const struct firmware *fw, return 0; err_big: - kfree(fw_buf); + kvfree(fw_buf); return error; } @@ -859,7 +859,7 @@ exit: ili210x_hardware_reset(priv->reset_gpio); dev_dbg(dev, "Firmware update ended, error=%i\n", error); enable_irq(client->irq); - kfree(fwbuf); + kvfree(fwbuf); return error; } diff --git a/drivers/iommu/intel/dmar.c b/drivers/iommu/intel/dmar.c index dac329ec75fa..81faac912a7f 100644 --- a/drivers/iommu/intel/dmar.c +++ b/drivers/iommu/intel/dmar.c @@ -1409,7 +1409,7 @@ restart: */ writel(qi->free_head << shift, iommu->reg + DMAR_IQT_REG); - while (qi->desc_status[wait_index] != QI_DONE) { + while (READ_ONCE(qi->desc_status[wait_index]) != QI_DONE) { /* * We will leave the interrupts disabled, to prevent interrupt * context to queue another cmd while a cmd is already submitted diff --git a/drivers/iommu/sun50i-iommu.c b/drivers/iommu/sun50i-iommu.c index 5b585eace3d4..e8dc1a7d9491 100644 --- a/drivers/iommu/sun50i-iommu.c +++ b/drivers/iommu/sun50i-iommu.c @@ -449,6 +449,7 @@ static int sun50i_iommu_enable(struct sun50i_iommu *iommu) IOMMU_TLB_PREFETCH_MASTER_ENABLE(3) | IOMMU_TLB_PREFETCH_MASTER_ENABLE(4) | IOMMU_TLB_PREFETCH_MASTER_ENABLE(5)); + iommu_write(iommu, IOMMU_BYPASS_REG, 0); iommu_write(iommu, IOMMU_INT_ENABLE_REG, IOMMU_INT_MASK); iommu_write(iommu, IOMMU_DM_AUT_CTRL_REG(SUN50I_IOMMU_ACI_NONE), IOMMU_DM_AUT_CTRL_RD_UNAVAIL(SUN50I_IOMMU_ACI_NONE, 0) | diff --git a/drivers/irqchip/irq-armada-370-xp.c b/drivers/irqchip/irq-armada-370-xp.c index ee18eb3e72b7..ab02b44a3b4e 100644 --- a/drivers/irqchip/irq-armada-370-xp.c +++ b/drivers/irqchip/irq-armada-370-xp.c @@ -567,6 +567,10 @@ static struct irq_chip armada_370_xp_irq_chip = { static int armada_370_xp_mpic_irq_map(struct irq_domain *h, unsigned int virq, irq_hw_number_t hw) { + /* IRQs 0 and 1 cannot be mapped, they are handled internally */ + if (hw <= 1) + return -EINVAL; + armada_370_xp_irq_mask(irq_get_irq_data(virq)); if (!is_percpu_irq(hw)) writel(hw, per_cpu_int_base + diff --git a/drivers/leds/leds-spi-byte.c b/drivers/leds/leds-spi-byte.c index 2bc5c99daf51..6883d3ba382f 100644 --- a/drivers/leds/leds-spi-byte.c +++ b/drivers/leds/leds-spi-byte.c @@ -91,7 +91,6 @@ static int spi_byte_probe(struct spi_device *spi) dev_err(dev, "Device must have exactly one LED sub-node."); return -EINVAL; } - child = of_get_next_available_child(dev_of_node(dev), NULL); led = devm_kzalloc(dev, sizeof(*led), GFP_KERNEL); if (!led) @@ -107,11 +106,13 @@ static int spi_byte_probe(struct spi_device *spi) led->ldev.max_brightness = led->cdef->max_value - led->cdef->off_value; led->ldev.brightness_set_blocking = spi_byte_brightness_set_blocking; + child = of_get_next_available_child(dev_of_node(dev), NULL); state = of_get_property(child, "default-state", NULL); if (state) { if (!strcmp(state, "on")) { led->ldev.brightness = led->ldev.max_brightness; } else if (strcmp(state, "off")) { + of_node_put(child); /* all other cases except "off" */ dev_err(dev, "default-state can only be 'on' or 'off'"); return -EINVAL; @@ -122,9 +123,12 @@ static int spi_byte_probe(struct spi_device *spi) ret = devm_led_classdev_register(&spi->dev, &led->ldev); if (ret) { + of_node_put(child); mutex_destroy(&led->mutex); return ret; } + + of_node_put(child); spi_set_drvdata(spi, led); return 0; diff --git a/drivers/md/dm-init.c b/drivers/md/dm-init.c index dc4381d68313..6e9e73a55874 100644 --- a/drivers/md/dm-init.c +++ b/drivers/md/dm-init.c @@ -213,8 +213,10 @@ static char __init *dm_parse_device_entry(struct dm_device *dev, char *str) strscpy(dev->dmi.uuid, field[1], sizeof(dev->dmi.uuid)); /* minor */ if (strlen(field[2])) { - if (kstrtoull(field[2], 0, &dev->dmi.dev)) + if (kstrtoull(field[2], 0, &dev->dmi.dev) || + dev->dmi.dev >= (1 << MINORBITS)) return ERR_PTR(-EINVAL); + dev->dmi.dev = huge_encode_dev((dev_t)dev->dmi.dev); dev->dmi.flags |= DM_PERSISTENT_DEV_FLAG; } /* flags */ diff --git a/drivers/media/platform/qcom/camss/camss.c b/drivers/media/platform/qcom/camss/camss.c index a30461de3e84..d173ac80e01c 100644 --- a/drivers/media/platform/qcom/camss/camss.c +++ b/drivers/media/platform/qcom/camss/camss.c @@ -1038,8 +1038,11 @@ static int camss_of_parse_endpoint_node(struct device *dev, struct v4l2_mbus_config_mipi_csi2 *mipi_csi2; struct v4l2_fwnode_endpoint vep = { { 0 } }; unsigned int i; + int ret; - v4l2_fwnode_endpoint_parse(of_fwnode_handle(node), &vep); + ret = v4l2_fwnode_endpoint_parse(of_fwnode_handle(node), &vep); + if (ret) + return ret; csd->interface.csiphy_id = vep.base.port; diff --git a/drivers/media/test-drivers/vivid/vivid-vid-cap.c b/drivers/media/test-drivers/vivid/vivid-vid-cap.c index c0999581c599..3864df45077d 100644 --- a/drivers/media/test-drivers/vivid/vivid-vid-cap.c +++ b/drivers/media/test-drivers/vivid/vivid-vid-cap.c @@ -113,8 +113,9 @@ static int vid_cap_queue_setup(struct vb2_queue *vq, if (*nplanes != buffers) return -EINVAL; for (p = 0; p < buffers; p++) { - if (sizes[p] < tpg_g_line_width(&dev->tpg, p) * h + - dev->fmt_cap->data_offset[p]) + if (sizes[p] < tpg_g_line_width(&dev->tpg, p) * h / + dev->fmt_cap->vdownsampling[p] + + dev->fmt_cap->data_offset[p]) return -EINVAL; } } else { @@ -1809,8 +1810,10 @@ int vidioc_s_edid(struct file *file, void *_fh, return -EINVAL; if (edid->blocks == 0) { dev->edid_blocks = 0; - v4l2_ctrl_s_ctrl(dev->ctrl_tx_edid_present, 0); - v4l2_ctrl_s_ctrl(dev->ctrl_tx_hotplug, 0); + if (dev->num_outputs) { + v4l2_ctrl_s_ctrl(dev->ctrl_tx_edid_present, 0); + v4l2_ctrl_s_ctrl(dev->ctrl_tx_hotplug, 0); + } phys_addr = CEC_PHYS_ADDR_INVALID; goto set_phys_addr; } @@ -1834,8 +1837,10 @@ int vidioc_s_edid(struct file *file, void *_fh, display_present |= dev->display_present[i] << j++; - v4l2_ctrl_s_ctrl(dev->ctrl_tx_edid_present, display_present); - v4l2_ctrl_s_ctrl(dev->ctrl_tx_hotplug, display_present); + if (dev->num_outputs) { + v4l2_ctrl_s_ctrl(dev->ctrl_tx_edid_present, display_present); + v4l2_ctrl_s_ctrl(dev->ctrl_tx_hotplug, display_present); + } set_phys_addr: /* TODO: a proper hotplug detect cycle should be emulated here */ diff --git a/drivers/media/test-drivers/vivid/vivid-vid-out.c b/drivers/media/test-drivers/vivid/vivid-vid-out.c index 9f731f085179..e96d3d014143 100644 --- a/drivers/media/test-drivers/vivid/vivid-vid-out.c +++ b/drivers/media/test-drivers/vivid/vivid-vid-out.c @@ -63,14 +63,16 @@ static int vid_out_queue_setup(struct vb2_queue *vq, if (sizes[0] < size) return -EINVAL; for (p = 1; p < planes; p++) { - if (sizes[p] < dev->bytesperline_out[p] * h + - vfmt->data_offset[p]) + if (sizes[p] < dev->bytesperline_out[p] * h / + vfmt->vdownsampling[p] + + vfmt->data_offset[p]) return -EINVAL; } } else { for (p = 0; p < planes; p++) - sizes[p] = p ? dev->bytesperline_out[p] * h + - vfmt->data_offset[p] : size; + sizes[p] = p ? dev->bytesperline_out[p] * h / + vfmt->vdownsampling[p] + + vfmt->data_offset[p] : size; } if (vq->num_buffers + *nbuffers < 2) @@ -127,7 +129,7 @@ static int vid_out_buf_prepare(struct vb2_buffer *vb) for (p = 0; p < planes; p++) { if (p) - size = dev->bytesperline_out[p] * h; + size = dev->bytesperline_out[p] * h / vfmt->vdownsampling[p]; size += vb->planes[p].data_offset; if (vb2_get_plane_payload(vb, p) < size) { @@ -334,8 +336,8 @@ int vivid_g_fmt_vid_out(struct file *file, void *priv, for (p = 0; p < mp->num_planes; p++) { mp->plane_fmt[p].bytesperline = dev->bytesperline_out[p]; mp->plane_fmt[p].sizeimage = - mp->plane_fmt[p].bytesperline * mp->height + - fmt->data_offset[p]; + mp->plane_fmt[p].bytesperline * mp->height / + fmt->vdownsampling[p] + fmt->data_offset[p]; } for (p = fmt->buffers; p < fmt->planes; p++) { unsigned stride = dev->bytesperline_out[p]; diff --git a/drivers/misc/vmw_vmci/vmci_resource.c b/drivers/misc/vmw_vmci/vmci_resource.c index 692daa9eff34..19c9d2cdd277 100644 --- a/drivers/misc/vmw_vmci/vmci_resource.c +++ b/drivers/misc/vmw_vmci/vmci_resource.c @@ -144,7 +144,8 @@ void vmci_resource_remove(struct vmci_resource *resource) spin_lock(&vmci_resource_table.lock); hlist_for_each_entry(r, &vmci_resource_table.entries[idx], node) { - if (vmci_handle_is_equal(r->handle, resource->handle)) { + if (vmci_handle_is_equal(r->handle, resource->handle) && + resource->type == r->type) { hlist_del_init_rcu(&r->node); break; } diff --git a/drivers/net/bareudp.c b/drivers/net/bareudp.c index 683203f87ae2..277493e41b07 100644 --- a/drivers/net/bareudp.c +++ b/drivers/net/bareudp.c @@ -82,7 +82,7 @@ static int bareudp_udp_encap_recv(struct sock *sk, struct sk_buff *skb) if (skb_copy_bits(skb, BAREUDP_BASE_HLEN, &ipversion, sizeof(ipversion))) { - bareudp->dev->stats.rx_dropped++; + DEV_STATS_INC(bareudp->dev, rx_dropped); goto drop; } ipversion >>= 4; @@ -92,7 +92,7 @@ static int bareudp_udp_encap_recv(struct sock *sk, struct sk_buff *skb) } else if (ipversion == 6 && bareudp->multi_proto_mode) { proto = htons(ETH_P_IPV6); } else { - bareudp->dev->stats.rx_dropped++; + DEV_STATS_INC(bareudp->dev, rx_dropped); goto drop; } } else if (bareudp->ethertype == htons(ETH_P_MPLS_UC)) { @@ -106,7 +106,7 @@ static int bareudp_udp_encap_recv(struct sock *sk, struct sk_buff *skb) ipv4_is_multicast(tunnel_hdr->daddr)) { proto = htons(ETH_P_MPLS_MC); } else { - bareudp->dev->stats.rx_dropped++; + DEV_STATS_INC(bareudp->dev, rx_dropped); goto drop; } } else { @@ -122,7 +122,7 @@ static int bareudp_udp_encap_recv(struct sock *sk, struct sk_buff *skb) (addr_type & IPV6_ADDR_MULTICAST)) { proto = htons(ETH_P_MPLS_MC); } else { - bareudp->dev->stats.rx_dropped++; + DEV_STATS_INC(bareudp->dev, rx_dropped); goto drop; } } @@ -134,12 +134,12 @@ static int bareudp_udp_encap_recv(struct sock *sk, struct sk_buff *skb) proto, !net_eq(bareudp->net, dev_net(bareudp->dev)))) { - bareudp->dev->stats.rx_dropped++; + DEV_STATS_INC(bareudp->dev, rx_dropped); goto drop; } tun_dst = udp_tun_rx_dst(skb, family, TUNNEL_KEY, 0, 0); if (!tun_dst) { - bareudp->dev->stats.rx_dropped++; + DEV_STATS_INC(bareudp->dev, rx_dropped); goto drop; } skb_dst_set(skb, &tun_dst->dst); @@ -165,8 +165,8 @@ static int bareudp_udp_encap_recv(struct sock *sk, struct sk_buff *skb) &((struct ipv6hdr *)oiph)->saddr); } if (err > 1) { - ++bareudp->dev->stats.rx_frame_errors; - ++bareudp->dev->stats.rx_errors; + DEV_STATS_INC(bareudp->dev, rx_frame_errors); + DEV_STATS_INC(bareudp->dev, rx_errors); goto drop; } } @@ -462,11 +462,11 @@ tx_error: dev_kfree_skb(skb); if (err == -ELOOP) - dev->stats.collisions++; + DEV_STATS_INC(dev, collisions); else if (err == -ENETUNREACH) - dev->stats.tx_carrier_errors++; + DEV_STATS_INC(dev, tx_carrier_errors); - dev->stats.tx_errors++; + DEV_STATS_INC(dev, tx_errors); return NETDEV_TX_OK; } diff --git a/drivers/net/can/m_can/m_can.c b/drivers/net/can/m_can/m_can.c index 2de998b98cb5..561f25cdad3f 100644 --- a/drivers/net/can/m_can/m_can.c +++ b/drivers/net/can/m_can/m_can.c @@ -1815,7 +1815,7 @@ static int m_can_open(struct net_device *dev) /* start the m_can controller */ err = m_can_start(dev); if (err) - goto exit_irq_fail; + goto exit_start_fail; if (!cdev->is_peripheral) napi_enable(&cdev->napi); @@ -1824,6 +1824,9 @@ static int m_can_open(struct net_device *dev) return 0; +exit_start_fail: + if (cdev->is_peripheral || dev->irq) + free_irq(dev->irq, dev); exit_irq_fail: if (cdev->is_peripheral) destroy_workqueue(cdev->tx_wq); diff --git a/drivers/net/can/spi/mcp251x.c b/drivers/net/can/spi/mcp251x.c index 79c4bab5f724..8c56f85e87c1 100644 --- a/drivers/net/can/spi/mcp251x.c +++ b/drivers/net/can/spi/mcp251x.c @@ -753,7 +753,7 @@ static int mcp251x_hw_wake(struct spi_device *spi) int ret; /* Force wakeup interrupt to wake device, but don't execute IST */ - disable_irq(spi->irq); + disable_irq_nosync(spi->irq); mcp251x_write_2regs(spi, CANINTE, CANINTE_WAKIE, CANINTF_WAKIF); /* Wait for oscillator startup timer after wake up */ diff --git a/drivers/net/can/spi/mcp251xfd/mcp251xfd-ram.c b/drivers/net/can/spi/mcp251xfd/mcp251xfd-ram.c index 9e8e82cdba46..61b0d6fa52dd 100644 --- a/drivers/net/can/spi/mcp251xfd/mcp251xfd-ram.c +++ b/drivers/net/can/spi/mcp251xfd/mcp251xfd-ram.c @@ -97,7 +97,16 @@ void can_ram_get_layout(struct can_ram_layout *layout, if (ring) { u8 num_rx_coalesce = 0, num_tx_coalesce = 0; - num_rx = can_ram_rounddown_pow_of_two(config, &config->rx, 0, ring->rx_pending); + /* If the ring parameters have been configured in + * CAN-CC mode, but and we are in CAN-FD mode now, + * they might be to big. Use the default CAN-FD values + * in this case. + */ + num_rx = ring->rx_pending; + if (num_rx > layout->max_rx) + num_rx = layout->default_rx; + + num_rx = can_ram_rounddown_pow_of_two(config, &config->rx, 0, num_rx); /* The ethtool doc says: * To disable coalescing, set usecs = 0 and max_frames = 1. diff --git a/drivers/net/can/spi/mcp251xfd/mcp251xfd-ring.c b/drivers/net/can/spi/mcp251xfd/mcp251xfd-ring.c index 4d0246a0779a..915d505a304f 100644 --- a/drivers/net/can/spi/mcp251xfd/mcp251xfd-ring.c +++ b/drivers/net/can/spi/mcp251xfd/mcp251xfd-ring.c @@ -458,11 +458,25 @@ int mcp251xfd_ring_alloc(struct mcp251xfd_priv *priv) /* switching from CAN-2.0 to CAN-FD mode or vice versa */ if (fd_mode != test_bit(MCP251XFD_FLAGS_FD_MODE, priv->flags)) { + const struct ethtool_ringparam ring = { + .rx_pending = priv->rx_obj_num, + .tx_pending = priv->tx->obj_num, + }; + const struct ethtool_coalesce ec = { + .rx_coalesce_usecs_irq = priv->rx_coalesce_usecs_irq, + .rx_max_coalesced_frames_irq = priv->rx_obj_num_coalesce_irq, + .tx_coalesce_usecs_irq = priv->tx_coalesce_usecs_irq, + .tx_max_coalesced_frames_irq = priv->tx_obj_num_coalesce_irq, + }; struct can_ram_layout layout; - can_ram_get_layout(&layout, &mcp251xfd_ram_config, NULL, NULL, fd_mode); - priv->rx_obj_num = layout.default_rx; - tx_ring->obj_num = layout.default_tx; + can_ram_get_layout(&layout, &mcp251xfd_ram_config, &ring, &ec, fd_mode); + + priv->rx_obj_num = layout.cur_rx; + priv->rx_obj_num_coalesce_irq = layout.rx_coalesce; + + tx_ring->obj_num = layout.cur_tx; + priv->tx_obj_num_coalesce_irq = layout.tx_coalesce; } if (fd_mode) { diff --git a/drivers/net/dsa/vitesse-vsc73xx-core.c b/drivers/net/dsa/vitesse-vsc73xx-core.c index c8e9ca5d5c28..de444d201e0f 100644 --- a/drivers/net/dsa/vitesse-vsc73xx-core.c +++ b/drivers/net/dsa/vitesse-vsc73xx-core.c @@ -35,7 +35,7 @@ #define VSC73XX_BLOCK_ANALYZER 0x2 /* Only subblock 0 */ #define VSC73XX_BLOCK_MII 0x3 /* Subblocks 0 and 1 */ #define VSC73XX_BLOCK_MEMINIT 0x3 /* Only subblock 2 */ -#define VSC73XX_BLOCK_CAPTURE 0x4 /* Only subblock 2 */ +#define VSC73XX_BLOCK_CAPTURE 0x4 /* Subblocks 0-4, 6, 7 */ #define VSC73XX_BLOCK_ARBITER 0x5 /* Only subblock 0 */ #define VSC73XX_BLOCK_SYSTEM 0x7 /* Only subblock 0 */ @@ -371,13 +371,19 @@ int vsc73xx_is_addr_valid(u8 block, u8 subblock) break; case VSC73XX_BLOCK_MII: - case VSC73XX_BLOCK_CAPTURE: case VSC73XX_BLOCK_ARBITER: switch (subblock) { case 0 ... 1: return 1; } break; + case VSC73XX_BLOCK_CAPTURE: + switch (subblock) { + case 0 ... 4: + case 6 ... 7: + return 1; + } + break; } return 0; diff --git a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c index 981cc3248047..19506f2be4d4 100644 --- a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c +++ b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c @@ -916,14 +916,18 @@ static inline void dpaa_setup_egress(const struct dpaa_priv *priv, } } -static void dpaa_fq_setup(struct dpaa_priv *priv, - const struct dpaa_fq_cbs *fq_cbs, - struct fman_port *tx_port) +static int dpaa_fq_setup(struct dpaa_priv *priv, + const struct dpaa_fq_cbs *fq_cbs, + struct fman_port *tx_port) { int egress_cnt = 0, conf_cnt = 0, num_portals = 0, portal_cnt = 0, cpu; const cpumask_t *affine_cpus = qman_affine_cpus(); - u16 channels[NR_CPUS]; struct dpaa_fq *fq; + u16 *channels; + + channels = kcalloc(num_possible_cpus(), sizeof(u16), GFP_KERNEL); + if (!channels) + return -ENOMEM; for_each_cpu_and(cpu, affine_cpus, cpu_online_mask) channels[num_portals++] = qman_affine_channel(cpu); @@ -982,6 +986,10 @@ static void dpaa_fq_setup(struct dpaa_priv *priv, break; } } + + kfree(channels); + + return 0; } static inline int dpaa_tx_fq_to_id(const struct dpaa_priv *priv, @@ -3454,7 +3462,9 @@ static int dpaa_eth_probe(struct platform_device *pdev) */ dpaa_eth_add_channel(priv->channel, &pdev->dev); - dpaa_fq_setup(priv, &dpaa_fq_cbs, priv->mac_dev->port[TX]); + err = dpaa_fq_setup(priv, &dpaa_fq_cbs, priv->mac_dev->port[TX]); + if (err) + goto free_dpaa_bps; /* Create a congestion group for this netdev, with * dynamically-allocated CGR ID. diff --git a/drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c b/drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c index 769e936a263c..fcb0cba4611e 100644 --- a/drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c +++ b/drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c @@ -515,12 +515,16 @@ static int dpaa_set_coalesce(struct net_device *dev, struct netlink_ext_ack *extack) { const cpumask_t *cpus = qman_affine_cpus(); - bool needs_revert[NR_CPUS] = {false}; struct qman_portal *portal; u32 period, prev_period; u8 thresh, prev_thresh; + bool *needs_revert; int cpu, res; + needs_revert = kcalloc(num_possible_cpus(), sizeof(bool), GFP_KERNEL); + if (!needs_revert) + return -ENOMEM; + period = c->rx_coalesce_usecs; thresh = c->rx_max_coalesced_frames; @@ -543,6 +547,8 @@ static int dpaa_set_coalesce(struct net_device *dev, needs_revert[cpu] = true; } + kfree(needs_revert); + return 0; revert_values: @@ -556,6 +562,8 @@ revert_values: qman_dqrr_set_ithresh(portal, prev_thresh); } + kfree(needs_revert); + return res; } diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c index 9dbfbc90485e..3f01942e4982 100644 --- a/drivers/net/ethernet/intel/ice/ice_main.c +++ b/drivers/net/ethernet/intel/ice/ice_main.c @@ -611,6 +611,9 @@ ice_prepare_for_reset(struct ice_pf *pf, enum ice_reset_req reset_type) memset(&vsi->mqprio_qopt, 0, sizeof(vsi->mqprio_qopt)); } } + + if (vsi->netdev) + netif_device_detach(vsi->netdev); skip: /* clear SW filtering DB */ @@ -2630,11 +2633,11 @@ static void ice_vsi_assign_bpf_prog(struct ice_vsi *vsi, struct bpf_prog *prog) int i; old_prog = xchg(&vsi->xdp_prog, prog); - if (old_prog) - bpf_prog_put(old_prog); - ice_for_each_rxq(vsi, i) WRITE_ONCE(vsi->rx_rings[i]->xdp_prog, vsi->xdp_prog); + + if (old_prog) + bpf_prog_put(old_prog); } /** @@ -2883,6 +2886,18 @@ int ice_vsi_determine_xdp_res(struct ice_vsi *vsi) return 0; } +/** + * ice_max_xdp_frame_size - returns the maximum allowed frame size for XDP + * @vsi: Pointer to VSI structure + */ +static int ice_max_xdp_frame_size(struct ice_vsi *vsi) +{ + if (test_bit(ICE_FLAG_LEGACY_RX, vsi->back->flags)) + return ICE_RXBUF_1664; + else + return ICE_RXBUF_3072; +} + /** * ice_xdp_setup_prog - Add or remove XDP eBPF program * @vsi: VSI to setup XDP for @@ -2893,17 +2908,26 @@ static int ice_xdp_setup_prog(struct ice_vsi *vsi, struct bpf_prog *prog, struct netlink_ext_ack *extack) { - int frame_size = vsi->netdev->mtu + ICE_ETH_PKT_HDR_PAD; - bool if_running = netif_running(vsi->netdev); + unsigned int frame_size = vsi->netdev->mtu + ICE_ETH_PKT_HDR_PAD; int ret = 0, xdp_ring_err = 0; + bool if_running; - if (frame_size > vsi->rx_buf_len) { + if (frame_size > ice_max_xdp_frame_size(vsi)) { NL_SET_ERR_MSG_MOD(extack, "MTU too large for loading XDP"); return -EOPNOTSUPP; } + /* hot swap progs and avoid toggling link */ + if (ice_is_xdp_ena_vsi(vsi) == !!prog) { + ice_vsi_assign_bpf_prog(vsi, prog); + return 0; + } + + if_running = netif_running(vsi->netdev) && + !test_and_set_bit(ICE_VSI_DOWN, vsi->state); + /* need to stop netdev while setting up the program for Rx rings */ - if (if_running && !test_and_set_bit(ICE_VSI_DOWN, vsi->state)) { + if (if_running) { ret = ice_down(vsi); if (ret) { NL_SET_ERR_MSG_MOD(extack, "Preparing device for XDP attach failed"); @@ -2932,13 +2956,6 @@ ice_xdp_setup_prog(struct ice_vsi *vsi, struct bpf_prog *prog, xdp_ring_err = ice_realloc_zc_buf(vsi, false); if (xdp_ring_err) NL_SET_ERR_MSG_MOD(extack, "Freeing XDP Rx resources failed"); - } else { - /* safe to call even when prog == vsi->xdp_prog as - * dev_xdp_install in net/core/dev.c incremented prog's - * refcount so corresponding bpf_prog_put won't cause - * underflow - */ - ice_vsi_assign_bpf_prog(vsi, prog); } if (if_running) @@ -7140,6 +7157,7 @@ static void ice_update_pf_netdev_link(struct ice_pf *pf) */ static void ice_rebuild(struct ice_pf *pf, enum ice_reset_req reset_type) { + struct ice_vsi *vsi = ice_get_main_vsi(pf); struct device *dev = ice_pf_to_dev(pf); struct ice_hw *hw = &pf->hw; bool dvm; @@ -7292,6 +7310,9 @@ static void ice_rebuild(struct ice_pf *pf, enum ice_reset_req reset_type) ice_rebuild_arfs(pf); } + if (vsi && vsi->netdev) + netif_device_attach(vsi->netdev); + ice_update_pf_netdev_link(pf); /* tell the firmware we are up */ @@ -7322,18 +7343,6 @@ clear_recovery: dev_err(dev, "Rebuild failed, unload and reload driver\n"); } -/** - * ice_max_xdp_frame_size - returns the maximum allowed frame size for XDP - * @vsi: Pointer to VSI structure - */ -static int ice_max_xdp_frame_size(struct ice_vsi *vsi) -{ - if (test_bit(ICE_FLAG_LEGACY_RX, vsi->back->flags)) - return ICE_RXBUF_1664; - else - return ICE_RXBUF_3072; -} - /** * ice_change_mtu - NDO callback to change the MTU * @netdev: network interface device structure diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index 81d9a5338be5..76bd41058f3a 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -6925,10 +6925,20 @@ static void igb_extts(struct igb_adapter *adapter, int tsintr_tt) static void igb_tsync_interrupt(struct igb_adapter *adapter) { + const u32 mask = (TSINTR_SYS_WRAP | E1000_TSICR_TXTS | + TSINTR_TT0 | TSINTR_TT1 | + TSINTR_AUTT0 | TSINTR_AUTT1); struct e1000_hw *hw = &adapter->hw; u32 tsicr = rd32(E1000_TSICR); struct ptp_clock_event event; + if (hw->mac.type == e1000_82580) { + /* 82580 has a hardware bug that requires an explicit + * write to clear the TimeSync interrupt cause. + */ + wr32(E1000_TSICR, tsicr & mask); + } + if (tsicr & TSINTR_SYS_WRAP) { event.type = PTP_CLOCK_PPS; if (adapter->ptp_caps.pps) diff --git a/drivers/net/ethernet/intel/igc/igc_main.c b/drivers/net/ethernet/intel/igc/igc_main.c index 39f8f28288aa..6ae2d0b723c8 100644 --- a/drivers/net/ethernet/intel/igc/igc_main.c +++ b/drivers/net/ethernet/intel/igc/igc_main.c @@ -7063,6 +7063,7 @@ static void igc_io_resume(struct pci_dev *pdev) rtnl_lock(); if (netif_running(netdev)) { if (igc_open(netdev)) { + rtnl_unlock(); netdev_err(netdev, "igc_open failed after reset\n"); return; } diff --git a/drivers/net/mctp/mctp-serial.c b/drivers/net/mctp/mctp-serial.c index 9f9eaf896047..fae9628f9615 100644 --- a/drivers/net/mctp/mctp-serial.c +++ b/drivers/net/mctp/mctp-serial.c @@ -91,8 +91,8 @@ static int next_chunk_len(struct mctp_serial *dev) * will be those non-escaped bytes, and does not include the escaped * byte. */ - for (i = 1; i + dev->txpos + 1 < dev->txlen; i++) { - if (needs_escape(dev->txbuf[dev->txpos + i + 1])) + for (i = 1; i + dev->txpos < dev->txlen; i++) { + if (needs_escape(dev->txbuf[dev->txpos + i])) break; } diff --git a/drivers/net/usb/ipheth.c b/drivers/net/usb/ipheth.c index 6a769df0b421..13381d87eeb0 100644 --- a/drivers/net/usb/ipheth.c +++ b/drivers/net/usb/ipheth.c @@ -353,8 +353,8 @@ static int ipheth_close(struct net_device *net) { struct ipheth_device *dev = netdev_priv(net); - cancel_delayed_work_sync(&dev->carrier_work); netif_stop_queue(net); + cancel_delayed_work_sync(&dev->carrier_work); return 0; } diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c index 405e588f8a3a..0f848d318544 100644 --- a/drivers/net/usb/usbnet.c +++ b/drivers/net/usb/usbnet.c @@ -61,9 +61,6 @@ /*-------------------------------------------------------------------------*/ -// randomly generated ethernet address -static u8 node_id [ETH_ALEN]; - /* use ethtool to change the level for any given device */ static int msg_level = -1; module_param (msg_level, int, 0); @@ -1726,7 +1723,6 @@ usbnet_probe (struct usb_interface *udev, const struct usb_device_id *prod) dev->net = net; strscpy(net->name, "usb%d", sizeof(net->name)); - eth_hw_addr_set(net, node_id); /* rx and tx sides can use different message sizes; * bind() should set rx_urb_size in that case. @@ -1800,9 +1796,9 @@ usbnet_probe (struct usb_interface *udev, const struct usb_device_id *prod) goto out4; } - /* let userspace know we have a random address */ - if (ether_addr_equal(net->dev_addr, node_id)) - net->addr_assign_type = NET_ADDR_RANDOM; + /* this flags the device for user space */ + if (!is_valid_ether_addr(net->dev_addr)) + eth_hw_addr_random(net); if ((dev->driver_info->flags & FLAG_WLAN) != 0) SET_NETDEV_DEVTYPE(net, &wlan_type); @@ -2212,7 +2208,6 @@ static int __init usbnet_init(void) BUILD_BUG_ON( sizeof_field(struct sk_buff, cb) < sizeof(struct skb_data)); - eth_random_addr(node_id); return 0; } module_init(usbnet_init); diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/mac80211_if.c b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/mac80211_if.c index a4034d44609b..94b1e4f15b41 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/mac80211_if.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/mac80211_if.c @@ -1089,6 +1089,7 @@ static int ieee_hw_init(struct ieee80211_hw *hw) ieee80211_hw_set(hw, AMPDU_AGGREGATION); ieee80211_hw_set(hw, SIGNAL_DBM); ieee80211_hw_set(hw, REPORTS_TX_ACK_STATUS); + ieee80211_hw_set(hw, MFP_CAPABLE); hw->extra_tx_headroom = brcms_c_get_header_len(); hw->queues = N_TX_QUEUES; diff --git a/drivers/net/wireless/marvell/mwifiex/main.h b/drivers/net/wireless/marvell/mwifiex/main.h index 63f861e6b28a..fb98eb342bd9 100644 --- a/drivers/net/wireless/marvell/mwifiex/main.h +++ b/drivers/net/wireless/marvell/mwifiex/main.h @@ -1301,6 +1301,9 @@ mwifiex_get_priv_by_id(struct mwifiex_adapter *adapter, for (i = 0; i < adapter->priv_num; i++) { if (adapter->priv[i]) { + if (adapter->priv[i]->bss_mode == NL80211_IFTYPE_UNSPECIFIED) + continue; + if ((adapter->priv[i]->bss_num == bss_num) && (adapter->priv[i]->bss_type == bss_type)) break; diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c index f06058394102..ad897b2c0b14 100644 --- a/drivers/nvmem/core.c +++ b/drivers/nvmem/core.c @@ -1092,13 +1092,13 @@ void nvmem_device_put(struct nvmem_device *nvmem) EXPORT_SYMBOL_GPL(nvmem_device_put); /** - * devm_nvmem_device_get() - Get nvmem cell of device form a given id + * devm_nvmem_device_get() - Get nvmem device of device form a given id * * @dev: Device that requests the nvmem device. * @id: name id for the requested nvmem device. * - * Return: ERR_PTR() on error or a valid pointer to a struct nvmem_cell - * on success. The nvmem_cell will be freed by the automatically once the + * Return: ERR_PTR() on error or a valid pointer to a struct nvmem_device + * on success. The nvmem_device will be freed by the automatically once the * device is freed. */ struct nvmem_device *devm_nvmem_device_get(struct device *dev, const char *id) diff --git a/drivers/of/irq.c b/drivers/of/irq.c index 88c24d88c4b9..a8e306606c4b 100644 --- a/drivers/of/irq.c +++ b/drivers/of/irq.c @@ -344,7 +344,8 @@ int of_irq_parse_one(struct device_node *device, int index, struct of_phandle_ar struct device_node *p; const __be32 *addr; u32 intsize; - int i, res; + int i, res, addr_len; + __be32 addr_buf[3] = { 0 }; pr_debug("of_irq_parse_one: dev=%pOF, index=%d\n", device, index); @@ -353,13 +354,19 @@ int of_irq_parse_one(struct device_node *device, int index, struct of_phandle_ar return of_irq_parse_oldworld(device, index, out_irq); /* Get the reg property (if any) */ - addr = of_get_property(device, "reg", NULL); + addr = of_get_property(device, "reg", &addr_len); + + /* Prevent out-of-bounds read in case of longer interrupt parent address size */ + if (addr_len > (3 * sizeof(__be32))) + addr_len = 3 * sizeof(__be32); + if (addr) + memcpy(addr_buf, addr, addr_len); /* Try the new-style interrupts-extended first */ res = of_parse_phandle_with_args(device, "interrupts-extended", "#interrupt-cells", index, out_irq); if (!res) - return of_irq_parse_raw(addr, out_irq); + return of_irq_parse_raw(addr_buf, out_irq); /* Look for the interrupt parent. */ p = of_irq_find_parent(device); @@ -389,7 +396,7 @@ int of_irq_parse_one(struct device_node *device, int index, struct of_phandle_ar /* Check if there are any interrupt-map translations to process */ - res = of_irq_parse_raw(addr, out_irq); + res = of_irq_parse_raw(addr_buf, out_irq); out: of_node_put(p); return res; diff --git a/drivers/pci/controller/dwc/pci-keystone.c b/drivers/pci/controller/dwc/pci-keystone.c index 6007ffcb4752..e738013c6d4f 100644 --- a/drivers/pci/controller/dwc/pci-keystone.c +++ b/drivers/pci/controller/dwc/pci-keystone.c @@ -35,6 +35,11 @@ #define PCIE_DEVICEID_SHIFT 16 /* Application registers */ +#define PID 0x000 +#define RTL GENMASK(15, 11) +#define RTL_SHIFT 11 +#define AM6_PCI_PG1_RTL_VER 0x15 + #define CMD_STATUS 0x004 #define LTSSM_EN_VAL BIT(0) #define OB_XLAT_EN_VAL BIT(1) @@ -105,6 +110,8 @@ #define to_keystone_pcie(x) dev_get_drvdata((x)->dev) +#define PCI_DEVICE_ID_TI_AM654X 0xb00c + struct ks_pcie_of_data { enum dw_pcie_device_mode mode; const struct dw_pcie_host_ops *host_ops; @@ -519,7 +526,11 @@ static int ks_pcie_start_link(struct dw_pcie *pci) static void ks_pcie_quirk(struct pci_dev *dev) { struct pci_bus *bus = dev->bus; + struct keystone_pcie *ks_pcie; + struct device *bridge_dev; struct pci_dev *bridge; + u32 val; + static const struct pci_device_id rc_pci_devids[] = { { PCI_DEVICE(PCI_VENDOR_ID_TI, PCIE_RC_K2HK), .class = PCI_CLASS_BRIDGE_PCI_NORMAL, .class_mask = ~0, }, @@ -531,6 +542,11 @@ static void ks_pcie_quirk(struct pci_dev *dev) .class = PCI_CLASS_BRIDGE_PCI_NORMAL, .class_mask = ~0, }, { 0, }, }; + static const struct pci_device_id am6_pci_devids[] = { + { PCI_DEVICE(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_AM654X), + .class = PCI_CLASS_BRIDGE_PCI << 8, .class_mask = ~0, }, + { 0, }, + }; if (pci_is_root_bus(bus)) bridge = dev; @@ -552,10 +568,36 @@ static void ks_pcie_quirk(struct pci_dev *dev) */ if (pci_match_id(rc_pci_devids, bridge)) { if (pcie_get_readrq(dev) > 256) { - dev_info(&dev->dev, "limiting MRRS to 256\n"); + dev_info(&dev->dev, "limiting MRRS to 256 bytes\n"); pcie_set_readrq(dev, 256); } } + + /* + * Memory transactions fail with PCI controller in AM654 PG1.0 + * when MRRS is set to more than 128 bytes. Force the MRRS to + * 128 bytes in all downstream devices. + */ + if (pci_match_id(am6_pci_devids, bridge)) { + bridge_dev = pci_get_host_bridge_device(dev); + if (!bridge_dev && !bridge_dev->parent) + return; + + ks_pcie = dev_get_drvdata(bridge_dev->parent); + if (!ks_pcie) + return; + + val = ks_pcie_app_readl(ks_pcie, PID); + val &= RTL; + val >>= RTL_SHIFT; + if (val != AM6_PCI_PG1_RTL_VER) + return; + + if (pcie_get_readrq(dev) > 128) { + dev_info(&dev->dev, "limiting MRRS to 128 bytes\n"); + pcie_set_readrq(dev, 128); + } + } } DECLARE_PCI_FIXUP_ENABLE(PCI_ANY_ID, PCI_ANY_ID, ks_pcie_quirk); diff --git a/drivers/pci/hotplug/pnv_php.c b/drivers/pci/hotplug/pnv_php.c index 881d420637bf..092c9ac0d26d 100644 --- a/drivers/pci/hotplug/pnv_php.c +++ b/drivers/pci/hotplug/pnv_php.c @@ -39,7 +39,6 @@ static void pnv_php_disable_irq(struct pnv_php_slot *php_slot, bool disable_device) { struct pci_dev *pdev = php_slot->pdev; - int irq = php_slot->irq; u16 ctrl; if (php_slot->irq > 0) { @@ -58,7 +57,7 @@ static void pnv_php_disable_irq(struct pnv_php_slot *php_slot, php_slot->wq = NULL; } - if (disable_device || irq > 0) { + if (disable_device) { if (pdev->msix_enabled) pci_disable_msix(pdev); else if (pdev->msi_enabled) diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 2d373ab3ccb3..f7592348ebee 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -5584,10 +5584,12 @@ static void pci_bus_lock(struct pci_bus *bus) { struct pci_dev *dev; + pci_dev_lock(bus->self); list_for_each_entry(dev, &bus->devices, bus_list) { - pci_dev_lock(dev); if (dev->subordinate) pci_bus_lock(dev->subordinate); + else + pci_dev_lock(dev); } } @@ -5599,8 +5601,10 @@ static void pci_bus_unlock(struct pci_bus *bus) list_for_each_entry(dev, &bus->devices, bus_list) { if (dev->subordinate) pci_bus_unlock(dev->subordinate); - pci_dev_unlock(dev); + else + pci_dev_unlock(dev); } + pci_dev_unlock(bus->self); } /* Return 1 on successful lock, 0 on contention */ @@ -5608,15 +5612,15 @@ static int pci_bus_trylock(struct pci_bus *bus) { struct pci_dev *dev; + if (!pci_dev_trylock(bus->self)) + return 0; + list_for_each_entry(dev, &bus->devices, bus_list) { - if (!pci_dev_trylock(dev)) - goto unlock; if (dev->subordinate) { - if (!pci_bus_trylock(dev->subordinate)) { - pci_dev_unlock(dev); + if (!pci_bus_trylock(dev->subordinate)) goto unlock; - } - } + } else if (!pci_dev_trylock(dev)) + goto unlock; } return 1; @@ -5624,8 +5628,10 @@ unlock: list_for_each_entry_continue_reverse(dev, &bus->devices, bus_list) { if (dev->subordinate) pci_bus_unlock(dev->subordinate); - pci_dev_unlock(dev); + else + pci_dev_unlock(dev); } + pci_dev_unlock(bus->self); return 0; } @@ -5657,9 +5663,10 @@ static void pci_slot_lock(struct pci_slot *slot) list_for_each_entry(dev, &slot->bus->devices, bus_list) { if (!dev->slot || dev->slot != slot) continue; - pci_dev_lock(dev); if (dev->subordinate) pci_bus_lock(dev->subordinate); + else + pci_dev_lock(dev); } } @@ -5685,14 +5692,13 @@ static int pci_slot_trylock(struct pci_slot *slot) list_for_each_entry(dev, &slot->bus->devices, bus_list) { if (!dev->slot || dev->slot != slot) continue; - if (!pci_dev_trylock(dev)) - goto unlock; if (dev->subordinate) { if (!pci_bus_trylock(dev->subordinate)) { pci_dev_unlock(dev); goto unlock; } - } + } else if (!pci_dev_trylock(dev)) + goto unlock; } return 1; @@ -5703,7 +5709,8 @@ unlock: continue; if (dev->subordinate) pci_bus_unlock(dev->subordinate); - pci_dev_unlock(dev); + else + pci_dev_unlock(dev); } return 0; } diff --git a/drivers/pcmcia/yenta_socket.c b/drivers/pcmcia/yenta_socket.c index 3966a6ceb1ac..a1c16352c01c 100644 --- a/drivers/pcmcia/yenta_socket.c +++ b/drivers/pcmcia/yenta_socket.c @@ -638,11 +638,11 @@ static int yenta_search_one_res(struct resource *root, struct resource *res, start = PCIBIOS_MIN_CARDBUS_IO; end = ~0U; } else { - unsigned long avail = root->end - root->start; + unsigned long avail = resource_size(root); int i; size = BRIDGE_MEM_MAX; - if (size > avail/8) { - size = (avail+1)/8; + if (size > (avail - 1) / 8) { + size = avail / 8; /* round size down to next power of 2 */ i = 0; while ((size /= 2) != 0) diff --git a/drivers/phy/xilinx/phy-zynqmp.c b/drivers/phy/xilinx/phy-zynqmp.c index ac9a9124a36d..cc36fb7616ae 100644 --- a/drivers/phy/xilinx/phy-zynqmp.c +++ b/drivers/phy/xilinx/phy-zynqmp.c @@ -847,6 +847,7 @@ static struct phy *xpsgtr_xlate(struct device *dev, phy_type = args->args[1]; phy_instance = args->args[2]; + guard(mutex)(>r_phy->phy->mutex); ret = xpsgtr_set_lane_type(gtr_phy, phy_type, phy_instance); if (ret < 0) { dev_err(gtr_dev->dev, "Invalid PHY type and/or instance\n"); diff --git a/drivers/platform/x86/dell/dell-smbios-base.c b/drivers/platform/x86/dell/dell-smbios-base.c index 86b95206cb1b..6fb538a13868 100644 --- a/drivers/platform/x86/dell/dell-smbios-base.c +++ b/drivers/platform/x86/dell/dell-smbios-base.c @@ -590,7 +590,10 @@ static int __init dell_smbios_init(void) return 0; fail_sysfs: - free_group(platform_device); + if (!wmi) + exit_dell_smbios_wmi(); + if (!smm) + exit_dell_smbios_smm(); fail_create_group: platform_device_del(platform_device); diff --git a/drivers/regulator/of_regulator.c b/drivers/regulator/of_regulator.c index cd726d4e8fbf..c3571781a8cc 100644 --- a/drivers/regulator/of_regulator.c +++ b/drivers/regulator/of_regulator.c @@ -701,3 +701,95 @@ struct regulator_dev *of_parse_coupled_regulator(struct regulator_dev *rdev, return c_rdev; } + +/* + * Check if name is a supply name according to the '*-supply' pattern + * return 0 if false + * return length of supply name without the -supply + */ +static int is_supply_name(const char *name) +{ + int strs, i; + + strs = strlen(name); + /* string need to be at minimum len(x-supply) */ + if (strs < 8) + return 0; + for (i = strs - 6; i > 0; i--) { + /* find first '-' and check if right part is supply */ + if (name[i] != '-') + continue; + if (strcmp(name + i + 1, "supply") != 0) + return 0; + return i; + } + return 0; +} + +/* + * of_regulator_bulk_get_all - get multiple regulator consumers + * + * @dev: Device to supply + * @np: device node to search for consumers + * @consumers: Configuration of consumers; clients are stored here. + * + * @return number of regulators on success, an errno on failure. + * + * This helper function allows drivers to get several regulator + * consumers in one operation. If any of the regulators cannot be + * acquired then any regulators that were allocated will be freed + * before returning to the caller. + */ +int of_regulator_bulk_get_all(struct device *dev, struct device_node *np, + struct regulator_bulk_data **consumers) +{ + int num_consumers = 0; + struct regulator *tmp; + struct property *prop; + int i, n = 0, ret; + char name[64]; + + *consumers = NULL; + + /* + * first pass: get numbers of xxx-supply + * second pass: fill consumers + */ +restart: + for_each_property_of_node(np, prop) { + i = is_supply_name(prop->name); + if (i == 0) + continue; + if (!*consumers) { + num_consumers++; + continue; + } else { + memcpy(name, prop->name, i); + name[i] = '\0'; + tmp = regulator_get(dev, name); + if (!tmp) { + ret = -EINVAL; + goto error; + } + (*consumers)[n].consumer = tmp; + n++; + continue; + } + } + if (*consumers) + return num_consumers; + if (num_consumers == 0) + return 0; + *consumers = kmalloc_array(num_consumers, + sizeof(struct regulator_bulk_data), + GFP_KERNEL); + if (!*consumers) + return -ENOMEM; + goto restart; + +error: + while (--n >= 0) + regulator_put(consumers[n]->consumer); + return ret; +} +EXPORT_SYMBOL_GPL(of_regulator_bulk_get_all); diff --git a/drivers/spi/spi-rockchip.c b/drivers/spi/spi-rockchip.c index 79242dc5272d..dbefc7e77313 100644 --- a/drivers/spi/spi-rockchip.c +++ b/drivers/spi/spi-rockchip.c @@ -976,14 +976,16 @@ static int rockchip_spi_suspend(struct device *dev) { int ret; struct spi_controller *ctlr = dev_get_drvdata(dev); - struct rockchip_spi *rs = spi_controller_get_devdata(ctlr); ret = spi_controller_suspend(ctlr); if (ret < 0) return ret; - clk_disable_unprepare(rs->spiclk); - clk_disable_unprepare(rs->apb_pclk); + ret = pm_runtime_force_suspend(dev); + if (ret < 0) { + spi_controller_resume(ctlr); + return ret; + } pinctrl_pm_select_sleep_state(dev); @@ -994,25 +996,14 @@ static int rockchip_spi_resume(struct device *dev) { int ret; struct spi_controller *ctlr = dev_get_drvdata(dev); - struct rockchip_spi *rs = spi_controller_get_devdata(ctlr); pinctrl_pm_select_default_state(dev); - ret = clk_prepare_enable(rs->apb_pclk); + ret = pm_runtime_force_resume(dev); if (ret < 0) return ret; - ret = clk_prepare_enable(rs->spiclk); - if (ret < 0) - clk_disable_unprepare(rs->apb_pclk); - - ret = spi_controller_resume(ctlr); - if (ret < 0) { - clk_disable_unprepare(rs->spiclk); - clk_disable_unprepare(rs->apb_pclk); - } - - return 0; + return spi_controller_resume(ctlr); } #endif /* CONFIG_PM_SLEEP */ diff --git a/drivers/staging/iio/frequency/ad9834.c b/drivers/staging/iio/frequency/ad9834.c index 2b4267a87e65..89abb0709260 100644 --- a/drivers/staging/iio/frequency/ad9834.c +++ b/drivers/staging/iio/frequency/ad9834.c @@ -114,7 +114,7 @@ static int ad9834_write_frequency(struct ad9834_state *st, clk_freq = clk_get_rate(st->mclk); - if (fout > (clk_freq / 2)) + if (!clk_freq || fout > (clk_freq / 2)) return -EINVAL; regval = ad9834_calc_freqreg(clk_freq, fout); diff --git a/drivers/uio/uio_hv_generic.c b/drivers/uio/uio_hv_generic.c index e5789dfcaff6..d6472de1d4b0 100644 --- a/drivers/uio/uio_hv_generic.c +++ b/drivers/uio/uio_hv_generic.c @@ -104,10 +104,11 @@ static void hv_uio_channel_cb(void *context) /* * Callback from vmbus_event when channel is rescinded. + * It is meant for rescind of primary channels only. */ static void hv_uio_rescind(struct vmbus_channel *channel) { - struct hv_device *hv_dev = channel->primary_channel->device_obj; + struct hv_device *hv_dev = channel->device_obj; struct hv_uio_private_data *pdata = hv_get_drvdata(hv_dev); /* @@ -118,6 +119,14 @@ static void hv_uio_rescind(struct vmbus_channel *channel) /* Wake up reader */ uio_event_notify(&pdata->info); + + /* + * With rescind callback registered, rescind path will not unregister the device + * from vmbus when the primary channel is rescinded. + * Without it, rescind handling is incomplete and next onoffer msg does not come. + * Unregister the device from vmbus here. + */ + vmbus_device_unregister(channel->device_obj); } /* Sysfs API to allow mmap of the ring buffers diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index 68ad93999b72..9b3773497eae 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -1200,6 +1200,21 @@ static int dwc3_core_init(struct dwc3 *dwc) dwc3_writel(dwc->regs, DWC3_GUCTL2, reg); } + /* + * STAR 9001285599: This issue affects DWC_usb3 version 3.20a + * only. If the PM TIMER ECM is enabled through GUCTL2[19], the + * link compliance test (TD7.21) may fail. If the ECN is not + * enabled (GUCTL2[19] = 0), the controller will use the old timer + * value (5us), which is still acceptable for the link compliance + * test. Therefore, do not enable PM TIMER ECM in 3.20a by + * setting GUCTL2[19] by default; instead, use GUCTL2[19] = 0. + */ + if (DWC3_VER_IS(DWC3, 320A)) { + reg = dwc3_readl(dwc->regs, DWC3_GUCTL2); + reg &= ~DWC3_GUCTL2_LC_TIMER; + dwc3_writel(dwc->regs, DWC3_GUCTL2, reg); + } + /* * When configured in HOST mode, after issuing U3/L2 exit controller * fails to send proper CRC checksum in CRC5 feild. Because of this diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h index 940f5c497d7b..0021c3b56222 100644 --- a/drivers/usb/dwc3/core.h +++ b/drivers/usb/dwc3/core.h @@ -405,6 +405,7 @@ /* Global User Control Register 2 */ #define DWC3_GUCTL2_RST_ACTBITLATER BIT(14) +#define DWC3_GUCTL2_LC_TIMER BIT(19) /* Global User Control Register 3 */ #define DWC3_GUCTL3_SPLITDISABLE BIT(14) @@ -1245,6 +1246,7 @@ struct dwc3 { #define DWC3_REVISION_290A 0x5533290a #define DWC3_REVISION_300A 0x5533300a #define DWC3_REVISION_310A 0x5533310a +#define DWC3_REVISION_320A 0x5533320a #define DWC3_REVISION_330A 0x5533330a #define DWC31_REVISION_ANY 0x0 diff --git a/drivers/usb/gadget/udc/aspeed_udc.c b/drivers/usb/gadget/udc/aspeed_udc.c index cedf17e38245..1a5a1115c1d9 100644 --- a/drivers/usb/gadget/udc/aspeed_udc.c +++ b/drivers/usb/gadget/udc/aspeed_udc.c @@ -1009,6 +1009,8 @@ static void ast_udc_getstatus(struct ast_udc_dev *udc) break; case USB_RECIP_ENDPOINT: epnum = crq.wIndex & USB_ENDPOINT_NUMBER_MASK; + if (epnum >= AST_UDC_NUM_ENDPOINTS) + goto stall; status = udc->ep[epnum].stopped; break; default: diff --git a/drivers/usb/storage/uas.c b/drivers/usb/storage/uas.c index ee5621bdb11e..f9ffbd16cfaa 100644 --- a/drivers/usb/storage/uas.c +++ b/drivers/usb/storage/uas.c @@ -422,6 +422,7 @@ static void uas_data_cmplt(struct urb *urb) uas_log_cmd_state(cmnd, "data cmplt err", status); /* error: no data transfered */ scsi_set_resid(cmnd, sdb->length); + set_host_byte(cmnd, DID_ERROR); } else { scsi_set_resid(cmnd, sdb->length - urb->actual_length); } diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c index e6c9c0e08448..89e7e4826efc 100644 --- a/fs/binfmt_elf.c +++ b/fs/binfmt_elf.c @@ -1009,7 +1009,8 @@ out_free_interp: if (elf_read_implies_exec(*elf_ex, executable_stack)) current->personality |= READ_IMPLIES_EXEC; - if (!(current->personality & ADDR_NO_RANDOMIZE) && randomize_va_space) + const int snapshot_randomize_va_space = READ_ONCE(randomize_va_space); + if (!(current->personality & ADDR_NO_RANDOMIZE) && snapshot_randomize_va_space) current->flags |= PF_RANDOMIZE; setup_new_exec(bprm); @@ -1301,7 +1302,7 @@ out_free_interp: mm->end_data = end_data; mm->start_stack = bprm->p; - if ((current->flags & PF_RANDOMIZE) && (randomize_va_space > 1)) { + if ((current->flags & PF_RANDOMIZE) && (snapshot_randomize_va_space > 1)) { /* * For architectures with ELF randomization, when executing * a loader directly (i.e. no interpreter listed in ELF diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c index e08688844f1e..66d1f34c3fc6 100644 --- a/fs/btrfs/ctree.c +++ b/fs/btrfs/ctree.c @@ -324,8 +324,16 @@ static noinline int update_ref_for_cow(struct btrfs_trans_handle *trans, } owner = btrfs_header_owner(buf); - BUG_ON(owner == BTRFS_TREE_RELOC_OBJECTID && - !(flags & BTRFS_BLOCK_FLAG_FULL_BACKREF)); + if (unlikely(owner == BTRFS_TREE_RELOC_OBJECTID && + !(flags & BTRFS_BLOCK_FLAG_FULL_BACKREF))) { + btrfs_crit(fs_info, +"found tree block at bytenr %llu level %d root %llu refs %llu flags %llx without full backref flag set", + buf->start, btrfs_header_level(buf), + btrfs_root_id(root), refs, flags); + ret = -EUCLEAN; + btrfs_abort_transaction(trans, ret); + return ret; + } if (refs > 1) { if ((owner == root->root_key.objectid || diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 528cd88a77fd..0d97c8ee6b4f 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -5141,7 +5141,15 @@ static noinline void reada_walk_down(struct btrfs_trans_handle *trans, /* We don't care about errors in readahead. */ if (ret < 0) continue; - BUG_ON(refs == 0); + + /* + * This could be racey, it's conceivable that we raced and end + * up with a bogus refs count, if that's the case just skip, if + * we are actually corrupt we will notice when we look up + * everything again with our locks. + */ + if (refs == 0) + continue; if (wc->stage == DROP_REFERENCE) { if (refs == 1) @@ -5200,7 +5208,7 @@ static noinline int walk_down_proc(struct btrfs_trans_handle *trans, if (lookup_info && ((wc->stage == DROP_REFERENCE && wc->refs[level] != 1) || (wc->stage == UPDATE_BACKREF && !(wc->flags[level] & flag)))) { - BUG_ON(!path->locks[level]); + ASSERT(path->locks[level]); ret = btrfs_lookup_extent_info(trans, fs_info, eb->start, level, 1, &wc->refs[level], @@ -5208,7 +5216,11 @@ static noinline int walk_down_proc(struct btrfs_trans_handle *trans, BUG_ON(ret == -ENOMEM); if (ret) return ret; - BUG_ON(wc->refs[level] == 0); + if (unlikely(wc->refs[level] == 0)) { + btrfs_err(fs_info, "bytenr %llu has 0 references, expect > 0", + eb->start); + return -EUCLEAN; + } } if (wc->stage == DROP_REFERENCE) { @@ -5224,7 +5236,7 @@ static noinline int walk_down_proc(struct btrfs_trans_handle *trans, /* wc->stage == UPDATE_BACKREF */ if (!(wc->flags[level] & flag)) { - BUG_ON(!path->locks[level]); + ASSERT(path->locks[level]); ret = btrfs_inc_ref(trans, root, eb, 1); BUG_ON(ret); /* -ENOMEM */ ret = btrfs_dec_ref(trans, root, eb, 0); @@ -5338,8 +5350,9 @@ static noinline int do_walk_down(struct btrfs_trans_handle *trans, goto out_unlock; if (unlikely(wc->refs[level - 1] == 0)) { - btrfs_err(fs_info, "Missing references."); - ret = -EIO; + btrfs_err(fs_info, "bytenr %llu has 0 references, expect > 0", + bytenr); + ret = -EUCLEAN; goto out_unlock; } *lookup_info = 0; @@ -5540,7 +5553,12 @@ static noinline int walk_up_proc(struct btrfs_trans_handle *trans, path->locks[level] = 0; return ret; } - BUG_ON(wc->refs[level] == 0); + if (unlikely(wc->refs[level] == 0)) { + btrfs_tree_unlock_rw(eb, path->locks[level]); + btrfs_err(fs_info, "bytenr %llu has 0 references, expect > 0", + eb->start); + return -EUCLEAN; + } if (wc->refs[level] == 1) { btrfs_tree_unlock_rw(eb, path->locks[level]); path->locks[level] = 0; diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 934e360d1aef..e5017b2ade57 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -5890,7 +5890,7 @@ struct inode *btrfs_lookup_dentry(struct inode *dir, struct dentry *dentry) struct inode *inode; struct btrfs_root *root = BTRFS_I(dir)->root; struct btrfs_root *sub_root = root; - struct btrfs_key location; + struct btrfs_key location = { 0 }; u8 di_type = 0; int ret = 0; diff --git a/fs/ext4/fast_commit.c b/fs/ext4/fast_commit.c index 19353a2f44bb..2ef773d40ffd 100644 --- a/fs/ext4/fast_commit.c +++ b/fs/ext4/fast_commit.c @@ -353,7 +353,7 @@ void ext4_fc_mark_ineligible(struct super_block *sb, int reason, handle_t *handl read_unlock(&sbi->s_journal->j_state_lock); } spin_lock(&sbi->s_fc_lock); - if (sbi->s_fc_ineligible_tid < tid) + if (tid_gt(tid, sbi->s_fc_ineligible_tid)) sbi->s_fc_ineligible_tid = tid; spin_unlock(&sbi->s_fc_lock); WARN_ON(reason >= EXT4_FC_REASON_MAX); @@ -1235,7 +1235,7 @@ restart_fc: if (ret == -EALREADY) { /* There was an ongoing commit, check if we need to restart */ if (atomic_read(&sbi->s_fc_subtid) <= subtid && - commit_tid > journal->j_commit_sequence) + tid_gt(commit_tid, journal->j_commit_sequence)) goto restart_fc; ext4_fc_update_stats(sb, EXT4_FC_STATUS_SKIPPED, 0, 0, commit_tid); @@ -1310,7 +1310,7 @@ static void ext4_fc_cleanup(journal_t *journal, int full, tid_t tid) list_del_init(&iter->i_fc_list); ext4_clear_inode_state(&iter->vfs_inode, EXT4_STATE_FC_COMMITTING); - if (iter->i_sync_tid <= tid) + if (tid_geq(tid, iter->i_sync_tid)) ext4_fc_reset_inode(&iter->vfs_inode); /* Make sure EXT4_STATE_FC_COMMITTING bit is clear */ smp_mb(); @@ -1341,7 +1341,7 @@ static void ext4_fc_cleanup(journal_t *journal, int full, tid_t tid) list_splice_init(&sbi->s_fc_q[FC_Q_STAGING], &sbi->s_fc_q[FC_Q_MAIN]); - if (tid >= sbi->s_fc_ineligible_tid) { + if (tid_geq(tid, sbi->s_fc_ineligible_tid)) { sbi->s_fc_ineligible_tid = 0; ext4_clear_mount_flag(sb, EXT4_MF_FC_INELIGIBLE); } diff --git a/fs/fuse/file.c b/fs/fuse/file.c index 390cddc77ae9..069a344d34a9 100644 --- a/fs/fuse/file.c +++ b/fs/fuse/file.c @@ -1801,10 +1801,16 @@ __acquires(fi->lock) fuse_writepage_finish(fm, wpa); spin_unlock(&fi->lock); - /* After fuse_writepage_finish() aux request list is private */ + /* After rb_erase() aux request list is private */ for (aux = wpa->next; aux; aux = next) { + struct backing_dev_info *bdi = inode_to_bdi(aux->inode); + next = aux->next; aux->next = NULL; + + dec_wb_stat(&bdi->wb, WB_WRITEBACK); + dec_node_page_state(aux->ia.ap.pages[0], NR_WRITEBACK_TEMP); + wb_writeout_inc(&bdi->wb); fuse_writepage_free(aux); } diff --git a/fs/fuse/xattr.c b/fs/fuse/xattr.c index 3029d1e2bda2..f56cdcd7a3b4 100644 --- a/fs/fuse/xattr.c +++ b/fs/fuse/xattr.c @@ -81,7 +81,7 @@ ssize_t fuse_getxattr(struct inode *inode, const char *name, void *value, } ret = fuse_simple_request(fm, &args); if (!ret && !size) - ret = min_t(ssize_t, outarg.size, XATTR_SIZE_MAX); + ret = min_t(size_t, outarg.size, XATTR_SIZE_MAX); if (ret == -ENOSYS) { fm->fc->no_getxattr = 1; ret = -EOPNOTSUPP; @@ -154,7 +154,7 @@ ssize_t fuse_listxattr(struct dentry *entry, char *list, size_t size) } ret = fuse_simple_request(fm, &args); if (!ret && !size) - ret = min_t(ssize_t, outarg.size, XATTR_LIST_MAX); + ret = min_t(size_t, outarg.size, XATTR_LIST_MAX); if (ret > 0 && size) ret = fuse_verify_xattr_list(list, ret); if (ret == -ENOSYS) { diff --git a/fs/nfs/super.c b/fs/nfs/super.c index 05ae23657527..f7b4df29ac5f 100644 --- a/fs/nfs/super.c +++ b/fs/nfs/super.c @@ -47,6 +47,7 @@ #include #include #include +#include #include #include #include @@ -219,6 +220,7 @@ static int __nfs_list_for_each_server(struct list_head *head, ret = fn(server, data); if (ret) goto out; + cond_resched(); rcu_read_lock(); } rcu_read_unlock(); diff --git a/fs/nilfs2/recovery.c b/fs/nilfs2/recovery.c index a9b8d77c8c1d..ce30b51ac593 100644 --- a/fs/nilfs2/recovery.c +++ b/fs/nilfs2/recovery.c @@ -708,6 +708,33 @@ static void nilfs_finish_roll_forward(struct the_nilfs *nilfs, brelse(bh); } +/** + * nilfs_abort_roll_forward - cleaning up after a failed rollforward recovery + * @nilfs: nilfs object + */ +static void nilfs_abort_roll_forward(struct the_nilfs *nilfs) +{ + struct nilfs_inode_info *ii, *n; + LIST_HEAD(head); + + /* Abandon inodes that have read recovery data */ + spin_lock(&nilfs->ns_inode_lock); + list_splice_init(&nilfs->ns_dirty_files, &head); + spin_unlock(&nilfs->ns_inode_lock); + if (list_empty(&head)) + return; + + set_nilfs_purging(nilfs); + list_for_each_entry_safe(ii, n, &head, i_dirty) { + spin_lock(&nilfs->ns_inode_lock); + list_del_init(&ii->i_dirty); + spin_unlock(&nilfs->ns_inode_lock); + + iput(&ii->vfs_inode); + } + clear_nilfs_purging(nilfs); +} + /** * nilfs_salvage_orphan_logs - salvage logs written after the latest checkpoint * @nilfs: nilfs object @@ -766,15 +793,19 @@ int nilfs_salvage_orphan_logs(struct the_nilfs *nilfs, if (unlikely(err)) { nilfs_err(sb, "error %d writing segment for recovery", err); - goto failed; + goto put_root; } nilfs_finish_roll_forward(nilfs, ri); } - failed: +put_root: nilfs_put_root(root); return err; + +failed: + nilfs_abort_roll_forward(nilfs); + goto put_root; } /** diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c index 5110c50be291..6bc8ad0d41f8 100644 --- a/fs/nilfs2/segment.c +++ b/fs/nilfs2/segment.c @@ -1833,6 +1833,9 @@ static void nilfs_segctor_abort_construction(struct nilfs_sc_info *sci, nilfs_abort_logs(&logs, ret ? : err); list_splice_tail_init(&sci->sc_segbufs, &logs); + if (list_empty(&logs)) + return; /* if the first segment buffer preparation failed */ + nilfs_cancel_segusage(&logs, nilfs->ns_sufile); nilfs_free_incomplete_logs(&logs, nilfs); @@ -2077,7 +2080,7 @@ static int nilfs_segctor_do_construct(struct nilfs_sc_info *sci, int mode) err = nilfs_segctor_begin_construction(sci, nilfs); if (unlikely(err)) - goto out; + goto failed; /* Update time stamp */ sci->sc_seg_ctime = ktime_get_real_seconds(); @@ -2140,10 +2143,9 @@ static int nilfs_segctor_do_construct(struct nilfs_sc_info *sci, int mode) return err; failed_to_write: - if (sci->sc_stage.flags & NILFS_CF_IFILE_STARTED) - nilfs_redirty_inodes(&sci->sc_dirty_files); - failed: + if (mode == SC_LSEG_SR && nilfs_sc_cstage_get(sci) >= NILFS_ST_IFILE) + nilfs_redirty_inodes(&sci->sc_dirty_files); if (nilfs_doing_gc()) nilfs_redirty_inodes(&sci->sc_gc_inodes); nilfs_segctor_abort_construction(sci, nilfs, err); diff --git a/fs/nilfs2/sysfs.c b/fs/nilfs2/sysfs.c index 379d22e28ed6..905c7eadf967 100644 --- a/fs/nilfs2/sysfs.c +++ b/fs/nilfs2/sysfs.c @@ -836,9 +836,15 @@ ssize_t nilfs_dev_revision_show(struct nilfs_dev_attr *attr, struct the_nilfs *nilfs, char *buf) { - struct nilfs_super_block **sbp = nilfs->ns_sbp; - u32 major = le32_to_cpu(sbp[0]->s_rev_level); - u16 minor = le16_to_cpu(sbp[0]->s_minor_rev_level); + struct nilfs_super_block *raw_sb; + u32 major; + u16 minor; + + down_read(&nilfs->ns_sem); + raw_sb = nilfs->ns_sbp[0]; + major = le32_to_cpu(raw_sb->s_rev_level); + minor = le16_to_cpu(raw_sb->s_minor_rev_level); + up_read(&nilfs->ns_sem); return sysfs_emit(buf, "%d.%d\n", major, minor); } @@ -856,8 +862,13 @@ ssize_t nilfs_dev_device_size_show(struct nilfs_dev_attr *attr, struct the_nilfs *nilfs, char *buf) { - struct nilfs_super_block **sbp = nilfs->ns_sbp; - u64 dev_size = le64_to_cpu(sbp[0]->s_dev_size); + struct nilfs_super_block *raw_sb; + u64 dev_size; + + down_read(&nilfs->ns_sem); + raw_sb = nilfs->ns_sbp[0]; + dev_size = le64_to_cpu(raw_sb->s_dev_size); + up_read(&nilfs->ns_sem); return sysfs_emit(buf, "%llu\n", dev_size); } @@ -879,9 +890,15 @@ ssize_t nilfs_dev_uuid_show(struct nilfs_dev_attr *attr, struct the_nilfs *nilfs, char *buf) { - struct nilfs_super_block **sbp = nilfs->ns_sbp; + struct nilfs_super_block *raw_sb; + ssize_t len; - return sysfs_emit(buf, "%pUb\n", sbp[0]->s_uuid); + down_read(&nilfs->ns_sem); + raw_sb = nilfs->ns_sbp[0]; + len = sysfs_emit(buf, "%pUb\n", raw_sb->s_uuid); + up_read(&nilfs->ns_sem); + + return len; } static @@ -889,10 +906,16 @@ ssize_t nilfs_dev_volume_name_show(struct nilfs_dev_attr *attr, struct the_nilfs *nilfs, char *buf) { - struct nilfs_super_block **sbp = nilfs->ns_sbp; + struct nilfs_super_block *raw_sb; + ssize_t len; - return scnprintf(buf, sizeof(sbp[0]->s_volume_name), "%s\n", - sbp[0]->s_volume_name); + down_read(&nilfs->ns_sem); + raw_sb = nilfs->ns_sbp[0]; + len = scnprintf(buf, sizeof(raw_sb->s_volume_name), "%s\n", + raw_sb->s_volume_name); + up_read(&nilfs->ns_sem); + + return len; } static const char dev_readme_str[] = diff --git a/fs/ntfs3/dir.c b/fs/ntfs3/dir.c index dcd689ed4baa..a4ab0164d150 100644 --- a/fs/ntfs3/dir.c +++ b/fs/ntfs3/dir.c @@ -272,9 +272,12 @@ out: return err == -ENOENT ? NULL : err ? ERR_PTR(err) : inode; } -static inline int ntfs_filldir(struct ntfs_sb_info *sbi, struct ntfs_inode *ni, - const struct NTFS_DE *e, u8 *name, - struct dir_context *ctx) +/* + * returns false if 'ctx' if full + */ +static inline bool ntfs_dir_emit(struct ntfs_sb_info *sbi, + struct ntfs_inode *ni, const struct NTFS_DE *e, + u8 *name, struct dir_context *ctx) { const struct ATTR_FILE_NAME *fname; unsigned long ino; @@ -284,29 +287,29 @@ static inline int ntfs_filldir(struct ntfs_sb_info *sbi, struct ntfs_inode *ni, fname = Add2Ptr(e, sizeof(struct NTFS_DE)); if (fname->type == FILE_NAME_DOS) - return 0; + return true; if (!mi_is_ref(&ni->mi, &fname->home)) - return 0; + return true; ino = ino_get(&e->ref); if (ino == MFT_REC_ROOT) - return 0; + return true; /* Skip meta files. Unless option to show metafiles is set. */ if (!sbi->options->showmeta && ntfs_is_meta_file(sbi, ino)) - return 0; + return true; if (sbi->options->nohidden && (fname->dup.fa & FILE_ATTRIBUTE_HIDDEN)) - return 0; + return true; name_len = ntfs_utf16_to_nls(sbi, fname->name, fname->name_len, name, PATH_MAX); if (name_len <= 0) { ntfs_warn(sbi->sb, "failed to convert name for inode %lx.", ino); - return 0; + return true; } /* @@ -336,17 +339,20 @@ static inline int ntfs_filldir(struct ntfs_sb_info *sbi, struct ntfs_inode *ni, } } - return !dir_emit(ctx, (s8 *)name, name_len, ino, dt_type); + return dir_emit(ctx, (s8 *)name, name_len, ino, dt_type); } /* * ntfs_read_hdr - Helper function for ntfs_readdir(). + * + * returns 0 if ok. + * returns -EINVAL if directory is corrupted. + * returns +1 if 'ctx' is full. */ static int ntfs_read_hdr(struct ntfs_sb_info *sbi, struct ntfs_inode *ni, const struct INDEX_HDR *hdr, u64 vbo, u64 pos, u8 *name, struct dir_context *ctx) { - int err; const struct NTFS_DE *e; u32 e_size; u32 end = le32_to_cpu(hdr->used); @@ -354,12 +360,12 @@ static int ntfs_read_hdr(struct ntfs_sb_info *sbi, struct ntfs_inode *ni, for (;; off += e_size) { if (off + sizeof(struct NTFS_DE) > end) - return -1; + return -EINVAL; e = Add2Ptr(hdr, off); e_size = le16_to_cpu(e->size); if (e_size < sizeof(struct NTFS_DE) || off + e_size > end) - return -1; + return -EINVAL; if (de_is_last(e)) return 0; @@ -369,14 +375,15 @@ static int ntfs_read_hdr(struct ntfs_sb_info *sbi, struct ntfs_inode *ni, continue; if (le16_to_cpu(e->key_size) < SIZEOF_ATTRIBUTE_FILENAME) - return -1; + return -EINVAL; ctx->pos = vbo + off; /* Submit the name to the filldir callback. */ - err = ntfs_filldir(sbi, ni, e, name, ctx); - if (err) - return err; + if (!ntfs_dir_emit(sbi, ni, e, name, ctx)) { + /* ctx is full. */ + return +1; + } } } @@ -475,8 +482,6 @@ static int ntfs_readdir(struct file *file, struct dir_context *ctx) vbo = (u64)bit << index_bits; if (vbo >= i_size) { - ntfs_inode_err(dir, "Looks like your dir is corrupt"); - ctx->pos = eod; err = -EINVAL; goto out; } @@ -499,9 +504,16 @@ out: __putname(name); put_indx_node(node); - if (err == -ENOENT) { + if (err == 1) { + /* 'ctx' is full. */ + err = 0; + } else if (err == -ENOENT) { err = 0; ctx->pos = pos; + } else if (err < 0) { + if (err == -EINVAL) + ntfs_inode_err(dir, "directory corrupted"); + ctx->pos = eod; } return err; diff --git a/fs/ntfs3/frecord.c b/fs/ntfs3/frecord.c index 6cce71cc750e..7bfdc91fae1e 100644 --- a/fs/ntfs3/frecord.c +++ b/fs/ntfs3/frecord.c @@ -1601,8 +1601,10 @@ int ni_delete_all(struct ntfs_inode *ni) asize = le32_to_cpu(attr->size); roff = le16_to_cpu(attr->nres.run_off); - if (roff > asize) + if (roff > asize) { + _ntfs_bad_inode(&ni->vfs_inode); return -EINVAL; + } /* run==1 means unpack and deallocate. */ run_unpack_ex(RUN_DEALLOCATE, sbi, ni->mi.rno, svcn, evcn, svcn, diff --git a/fs/smb/client/smb2ops.c b/fs/smb/client/smb2ops.c index 2291081653a8..5e9478f31d47 100644 --- a/fs/smb/client/smb2ops.c +++ b/fs/smb/client/smb2ops.c @@ -3443,13 +3443,15 @@ static long smb3_zero_data(struct file *file, struct cifs_tcon *tcon, } static long smb3_zero_range(struct file *file, struct cifs_tcon *tcon, - loff_t offset, loff_t len, bool keep_size) + unsigned long long offset, unsigned long long len, + bool keep_size) { struct cifs_ses *ses = tcon->ses; struct inode *inode = file_inode(file); struct cifsInodeInfo *cifsi = CIFS_I(inode); struct cifsFileInfo *cfile = file->private_data; - unsigned long long new_size; + struct netfs_inode *ictx = netfs_inode(inode); + unsigned long long i_size, new_size, remote_size; long rc; unsigned int xid; __le64 eof; @@ -3462,6 +3464,16 @@ static long smb3_zero_range(struct file *file, struct cifs_tcon *tcon, inode_lock(inode); filemap_invalidate_lock(inode->i_mapping); + i_size = i_size_read(inode); + remote_size = ictx->remote_i_size; + if (offset + len >= remote_size && offset < i_size) { + unsigned long long top = umin(offset + len, i_size); + + rc = filemap_write_and_wait_range(inode->i_mapping, offset, top - 1); + if (rc < 0) + goto zero_range_exit; + } + /* * We zero the range through ioctl, so we need remove the page caches * first, otherwise the data may be inconsistent with the server. diff --git a/fs/squashfs/inode.c b/fs/squashfs/inode.c index 24463145b351..f31649080a88 100644 --- a/fs/squashfs/inode.c +++ b/fs/squashfs/inode.c @@ -276,8 +276,13 @@ int squashfs_read_inode(struct inode *inode, long long ino) if (err < 0) goto failed_read; - set_nlink(inode, le32_to_cpu(sqsh_ino->nlink)); inode->i_size = le32_to_cpu(sqsh_ino->symlink_size); + if (inode->i_size > PAGE_SIZE) { + ERROR("Corrupted symlink\n"); + return -EINVAL; + } + + set_nlink(inode, le32_to_cpu(sqsh_ino->nlink)); inode->i_op = &squashfs_symlink_inode_ops; inode_nohighmem(inode); inode->i_data.a_ops = &squashfs_symlink_aops; diff --git a/fs/udf/super.c b/fs/udf/super.c index 3b6419f29a4c..fa790be4f19f 100644 --- a/fs/udf/super.c +++ b/fs/udf/super.c @@ -1084,12 +1084,19 @@ static int udf_fill_partdesc_info(struct super_block *sb, struct udf_part_map *map; struct udf_sb_info *sbi = UDF_SB(sb); struct partitionHeaderDesc *phd; + u32 sum; int err; map = &sbi->s_partmaps[p_index]; map->s_partition_len = le32_to_cpu(p->partitionLength); /* blocks */ map->s_partition_root = le32_to_cpu(p->partitionStartingLocation); + if (check_add_overflow(map->s_partition_root, map->s_partition_len, + &sum)) { + udf_err(sb, "Partition %d has invalid location %u + %u\n", + p_index, map->s_partition_root, map->s_partition_len); + return -EFSCORRUPTED; + } if (p->accessType == cpu_to_le32(PD_ACCESS_TYPE_READ_ONLY)) map->s_partition_flags |= UDF_PART_FLAG_READ_ONLY; @@ -1145,6 +1152,14 @@ static int udf_fill_partdesc_info(struct super_block *sb, bitmap->s_extPosition = le32_to_cpu( phd->unallocSpaceBitmap.extPosition); map->s_partition_flags |= UDF_PART_FLAG_UNALLOC_BITMAP; + /* Check whether math over bitmap won't overflow. */ + if (check_add_overflow(map->s_partition_len, + sizeof(struct spaceBitmapDesc) << 3, + &sum)) { + udf_err(sb, "Partition %d is too long (%u)\n", p_index, + map->s_partition_len); + return -EFSCORRUPTED; + } udf_debug("unallocSpaceBitmap (part %d) @ %u\n", p_index, bitmap->s_extPosition); } diff --git a/include/linux/regulator/consumer.h b/include/linux/regulator/consumer.h index a9ca87a8f4e6..60bc7e143869 100644 --- a/include/linux/regulator/consumer.h +++ b/include/linux/regulator/consumer.h @@ -244,6 +244,8 @@ int regulator_disable_deferred(struct regulator *regulator, int ms); int __must_check regulator_bulk_get(struct device *dev, int num_consumers, struct regulator_bulk_data *consumers); +int __must_check of_regulator_bulk_get_all(struct device *dev, struct device_node *np, + struct regulator_bulk_data **consumers); int __must_check devm_regulator_bulk_get(struct device *dev, int num_consumers, struct regulator_bulk_data *consumers); void devm_regulator_bulk_put(struct regulator_bulk_data *consumers); @@ -479,6 +481,20 @@ static inline int devm_regulator_bulk_get(struct device *dev, int num_consumers, return 0; } +static inline int of_regulator_bulk_get_all(struct device *dev, struct device_node *np, + struct regulator_bulk_data **consumers) +{ + return 0; +} + +static inline int devm_regulator_bulk_get_const( + struct device *dev, int num_consumers, + const struct regulator_bulk_data *in_consumers, + struct regulator_bulk_data **out_consumers) +{ + return 0; +} + static inline int regulator_bulk_enable(int num_consumers, struct regulator_bulk_data *consumers) { diff --git a/io_uring/io-wq.c b/io_uring/io-wq.c index 04503118cdc1..139cd49b2c27 100644 --- a/io_uring/io-wq.c +++ b/io_uring/io-wq.c @@ -628,7 +628,7 @@ static int io_wqe_worker(void *data) struct io_wqe_acct *acct = io_wqe_get_acct(worker); struct io_wqe *wqe = worker->wqe; struct io_wq *wq = wqe->wq; - bool last_timeout = false; + bool exit_mask = false, last_timeout = false; char buf[TASK_COMM_LEN]; worker->flags |= (IO_WORKER_F_UP | IO_WORKER_F_RUNNING); @@ -644,8 +644,11 @@ static int io_wqe_worker(void *data) io_worker_handle_work(worker); raw_spin_lock(&wqe->lock); - /* timed out, exit unless we're the last worker */ - if (last_timeout && acct->nr_workers > 1) { + /* + * Last sleep timed out. Exit if we're not the last worker, + * or if someone modified our affinity. + */ + if (last_timeout && (exit_mask || acct->nr_workers > 1)) { acct->nr_workers--; raw_spin_unlock(&wqe->lock); __set_current_state(TASK_RUNNING); @@ -664,7 +667,11 @@ static int io_wqe_worker(void *data) continue; break; } - last_timeout = !ret; + if (!ret) { + last_timeout = true; + exit_mask = !cpumask_test_cpu(raw_smp_processor_id(), + wqe->cpu_mask); + } } if (test_bit(IO_WQ_BIT_EXIT, &wq->state)) @@ -716,7 +723,6 @@ static void io_init_new_worker(struct io_wqe *wqe, struct io_worker *worker, tsk->worker_private = worker; worker->task = tsk; set_cpus_allowed_ptr(tsk, wqe->cpu_mask); - tsk->flags |= PF_NO_SETAFFINITY; raw_spin_lock(&wqe->lock); hlist_nulls_add_head_rcu(&worker->nulls_node, &wqe->free_list); diff --git a/io_uring/sqpoll.c b/io_uring/sqpoll.c index a0bb6142afbb..d152108c5204 100644 --- a/io_uring/sqpoll.c +++ b/io_uring/sqpoll.c @@ -239,7 +239,6 @@ static int io_sq_thread(void *data) set_cpus_allowed_ptr(current, cpu_online_mask); sqd->sq_cpu = raw_smp_processor_id(); } - current->flags |= PF_NO_SETAFFINITY; /* * Force audit context to get setup, in case we do prep side async diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c index 26577a892bd5..b233ee3243a1 100644 --- a/kernel/cgroup/cgroup.c +++ b/kernel/cgroup/cgroup.c @@ -1847,9 +1847,9 @@ int rebind_subsystems(struct cgroup_root *dst_root, u16 ss_mask) RCU_INIT_POINTER(scgrp->subsys[ssid], NULL); rcu_assign_pointer(dcgrp->subsys[ssid], css); ss->root = dst_root; - css->cgroup = dcgrp; spin_lock_irq(&css_set_lock); + css->cgroup = dcgrp; WARN_ON(!list_empty(&dcgrp->e_csets[ss->id])); list_for_each_entry_safe(cset, cset_pos, &scgrp->e_csets[ss->id], e_cset_node[ss->id]) { diff --git a/kernel/dma/map_benchmark.c b/kernel/dma/map_benchmark.c index dafdc47ae5fc..3efdc5cfe390 100644 --- a/kernel/dma/map_benchmark.c +++ b/kernel/dma/map_benchmark.c @@ -89,6 +89,22 @@ static int map_benchmark_thread(void *data) atomic64_add(map_sq, &map->sum_sq_map); atomic64_add(unmap_sq, &map->sum_sq_unmap); atomic64_inc(&map->loops); + + /* + * We may test for a long time so periodically check whether + * we need to schedule to avoid starving the others. Otherwise + * we may hangup the kernel in a non-preemptible kernel when + * the test kthreads number >= CPU number, the test kthreads + * will run endless on every CPU since the thread resposible + * for notifying the kthread stop (in do_map_benchmark()) + * could not be scheduled. + * + * Note this may degrade the test concurrency since the test + * threads may need to share the CPU time with other load + * in the system. So it's recommended to run this benchmark + * on an idle system. + */ + cond_resched(); } out: diff --git a/kernel/events/core.c b/kernel/events/core.c index a92188783ed1..ec84ea900c76 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -1277,8 +1277,9 @@ static void put_ctx(struct perf_event_context *ctx) * perf_event_context::mutex * perf_event::child_mutex; * perf_event_context::lock - * perf_event::mmap_mutex * mmap_lock + * perf_event::mmap_mutex + * perf_buffer::aux_mutex * perf_addr_filters_head::lock * * cpu_hotplug_lock @@ -6157,12 +6158,11 @@ static void perf_mmap_close(struct vm_area_struct *vma) event->pmu->event_unmapped(event, vma->vm_mm); /* - * rb->aux_mmap_count will always drop before rb->mmap_count and - * event->mmap_count, so it is ok to use event->mmap_mutex to - * serialize with perf_mmap here. + * The AUX buffer is strictly a sub-buffer, serialize using aux_mutex + * to avoid complications. */ if (rb_has_aux(rb) && vma->vm_pgoff == rb->aux_pgoff && - atomic_dec_and_mutex_lock(&rb->aux_mmap_count, &event->mmap_mutex)) { + atomic_dec_and_mutex_lock(&rb->aux_mmap_count, &rb->aux_mutex)) { /* * Stop all AUX events that are writing to this buffer, * so that we can free its AUX pages and corresponding PMU @@ -6179,7 +6179,7 @@ static void perf_mmap_close(struct vm_area_struct *vma) rb_free_aux(rb); WARN_ON_ONCE(refcount_read(&rb->aux_refcount)); - mutex_unlock(&event->mmap_mutex); + mutex_unlock(&rb->aux_mutex); } if (atomic_dec_and_test(&rb->mmap_count)) @@ -6267,6 +6267,7 @@ static int perf_mmap(struct file *file, struct vm_area_struct *vma) struct perf_event *event = file->private_data; unsigned long user_locked, user_lock_limit; struct user_struct *user = current_user(); + struct mutex *aux_mutex = NULL; struct perf_buffer *rb = NULL; unsigned long locked, lock_limit; unsigned long vma_size; @@ -6315,6 +6316,9 @@ static int perf_mmap(struct file *file, struct vm_area_struct *vma) if (!rb) goto aux_unlock; + aux_mutex = &rb->aux_mutex; + mutex_lock(aux_mutex); + aux_offset = READ_ONCE(rb->user_page->aux_offset); aux_size = READ_ONCE(rb->user_page->aux_size); @@ -6465,6 +6469,8 @@ unlock: atomic_dec(&rb->mmap_count); } aux_unlock: + if (aux_mutex) + mutex_unlock(aux_mutex); mutex_unlock(&event->mmap_mutex); /* diff --git a/kernel/events/internal.h b/kernel/events/internal.h index 386d21c7edfa..f376b057320c 100644 --- a/kernel/events/internal.h +++ b/kernel/events/internal.h @@ -40,6 +40,7 @@ struct perf_buffer { struct user_struct *mmap_user; /* AUX area */ + struct mutex aux_mutex; long aux_head; unsigned int aux_nest; long aux_wakeup; /* last aux_watermark boundary crossed by aux_head */ diff --git a/kernel/events/ring_buffer.c b/kernel/events/ring_buffer.c index f3a3c294ff2b..98588e96b591 100644 --- a/kernel/events/ring_buffer.c +++ b/kernel/events/ring_buffer.c @@ -332,6 +332,8 @@ ring_buffer_init(struct perf_buffer *rb, long watermark, int flags) */ if (!rb->nr_pages) rb->paused = 1; + + mutex_init(&rb->aux_mutex); } void perf_aux_output_flag(struct perf_output_handle *handle, u64 flags) diff --git a/kernel/events/uprobes.c b/kernel/events/uprobes.c index 003cb6cd74aa..5dedb79feeed 100644 --- a/kernel/events/uprobes.c +++ b/kernel/events/uprobes.c @@ -1487,7 +1487,7 @@ static struct xol_area *__create_xol_area(unsigned long vaddr) uprobe_opcode_t insn = UPROBE_SWBP_INSN; struct xol_area *area; - area = kmalloc(sizeof(*area), GFP_KERNEL); + area = kzalloc(sizeof(*area), GFP_KERNEL); if (unlikely(!area)) goto out; @@ -1497,7 +1497,6 @@ static struct xol_area *__create_xol_area(unsigned long vaddr) goto free_area; area->xol_mapping.name = "[uprobes]"; - area->xol_mapping.fault = NULL; area->xol_mapping.pages = area->pages; area->pages[0] = alloc_page(GFP_HIGHUSER); if (!area->pages[0]) diff --git a/kernel/smp.c b/kernel/smp.c index 63e466bb6b03..0acd433afa7b 100644 --- a/kernel/smp.c +++ b/kernel/smp.c @@ -1262,6 +1262,7 @@ int smp_call_on_cpu(unsigned int cpu, int (*func)(void *), void *par, bool phys) queue_work_on(cpu, system_wq, &sscs.work); wait_for_completion(&sscs.done); + destroy_work_on_stack(&sscs.work); return sscs.ret; } diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index dc60ce22165c..9f368478f645 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -4087,6 +4087,8 @@ void tracing_iter_reset(struct trace_iterator *iter, int cpu) break; entries++; ring_buffer_iter_advance(buf_iter); + /* This could be a big loop */ + cond_resched(); } per_cpu_ptr(iter->array_buffer->data, cpu)->skipped_entries = entries; diff --git a/lib/generic-radix-tree.c b/lib/generic-radix-tree.c index 7dfa88282b00..78f081d695d0 100644 --- a/lib/generic-radix-tree.c +++ b/lib/generic-radix-tree.c @@ -131,6 +131,8 @@ void *__genradix_ptr_alloc(struct __genradix *radix, size_t offset, if ((v = cmpxchg_release(&radix->root, r, new_root)) == r) { v = new_root; new_node = NULL; + } else { + new_node->children[0] = NULL; } } diff --git a/net/bridge/br_fdb.c b/net/bridge/br_fdb.c index e7f4fccb6adb..882b6a67e11f 100644 --- a/net/bridge/br_fdb.c +++ b/net/bridge/br_fdb.c @@ -1388,12 +1388,10 @@ int br_fdb_external_learn_add(struct net_bridge *br, struct net_bridge_port *p, modified = true; } - if (test_bit(BR_FDB_ADDED_BY_EXT_LEARN, &fdb->flags)) { + if (test_and_set_bit(BR_FDB_ADDED_BY_EXT_LEARN, &fdb->flags)) { /* Refresh entry */ fdb->used = jiffies; - } else if (!test_bit(BR_FDB_ADDED_BY_USER, &fdb->flags)) { - /* Take over SW learned entry */ - set_bit(BR_FDB_ADDED_BY_EXT_LEARN, &fdb->flags); + } else { modified = true; } diff --git a/net/can/bcm.c b/net/can/bcm.c index 925d48cc50f8..4ecb5cd8a22d 100644 --- a/net/can/bcm.c +++ b/net/can/bcm.c @@ -1428,6 +1428,10 @@ static void bcm_notify(struct bcm_sock *bo, unsigned long msg, /* remove device reference, if this is our bound device */ if (bo->bound && bo->ifindex == dev->ifindex) { +#if IS_ENABLED(CONFIG_PROC_FS) + if (sock_net(sk)->can.bcmproc_dir && bo->bcm_proc_read) + remove_proc_entry(bo->procname, sock_net(sk)->can.bcmproc_dir); +#endif bo->bound = 0; bo->ifindex = 0; notify_enodev = 1; diff --git a/net/ipv4/fou.c b/net/ipv4/fou.c index 358bff068eef..7bcc933103e2 100644 --- a/net/ipv4/fou.c +++ b/net/ipv4/fou.c @@ -48,7 +48,7 @@ struct fou_net { static inline struct fou *fou_from_sock(struct sock *sk) { - return sk->sk_user_data; + return rcu_dereference_sk_user_data(sk); } static int fou_recv_pull(struct sk_buff *skb, struct fou *fou, size_t len) @@ -231,9 +231,15 @@ static struct sk_buff *fou_gro_receive(struct sock *sk, struct sk_buff *skb) { const struct net_offload __rcu **offloads; - u8 proto = fou_from_sock(sk)->protocol; + struct fou *fou = fou_from_sock(sk); const struct net_offload *ops; struct sk_buff *pp = NULL; + u8 proto; + + if (!fou) + goto out; + + proto = fou->protocol; /* We can clear the encap_mark for FOU as we are essentially doing * one of two possible things. We are either adding an L4 tunnel @@ -261,14 +267,24 @@ static int fou_gro_complete(struct sock *sk, struct sk_buff *skb, int nhoff) { const struct net_offload __rcu **offloads; - u8 proto = fou_from_sock(sk)->protocol; + struct fou *fou = fou_from_sock(sk); const struct net_offload *ops; - int err = -ENOSYS; + u8 proto; + int err; + + if (!fou) { + err = -ENOENT; + goto out; + } + + proto = fou->protocol; offloads = NAPI_GRO_CB(skb)->is_ipv6 ? inet6_offloads : inet_offloads; ops = rcu_dereference(offloads[proto]); - if (WARN_ON(!ops || !ops->callbacks.gro_complete)) + if (WARN_ON(!ops || !ops->callbacks.gro_complete)) { + err = -ENOSYS; goto out; + } err = ops->callbacks.gro_complete(skb, nhoff); @@ -318,6 +334,9 @@ static struct sk_buff *gue_gro_receive(struct sock *sk, struct gro_remcsum grc; u8 proto; + if (!fou) + goto out; + skb_gro_remcsum_init(&grc); off = skb_gro_offset(skb); diff --git a/net/ipv4/tcp_bpf.c b/net/ipv4/tcp_bpf.c index f53380fd89bc..6c0f67df7f62 100644 --- a/net/ipv4/tcp_bpf.c +++ b/net/ipv4/tcp_bpf.c @@ -560,7 +560,7 @@ out_err: err = sk_stream_error(sk, msg->msg_flags, err); release_sock(sk); sk_psock_put(sk, psock); - return copied ? copied : err; + return copied > 0 ? copied : err; } static int tcp_bpf_sendpage(struct sock *sk, struct page *page, int offset, diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index b1b4f44d2137..4c7a2702d904 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -5843,6 +5843,11 @@ static bool tcp_validate_incoming(struct sock *sk, struct sk_buff *skb, * RFC 5961 4.2 : Send a challenge ack */ if (th->syn) { + if (sk->sk_state == TCP_SYN_RECV && sk->sk_socket && th->ack && + TCP_SKB_CB(skb)->seq + 1 == TCP_SKB_CB(skb)->end_seq && + TCP_SKB_CB(skb)->seq + 1 == tp->rcv_nxt && + TCP_SKB_CB(skb)->ack_seq == tp->snd_nxt) + goto pass; syn_challenge: if (syn_inerr) TCP_INC_STATS(sock_net(sk), TCP_MIB_INERRS); @@ -5852,6 +5857,7 @@ syn_challenge: goto discard; } +pass: bpf_skops_parse_hdr(sk, skb); return true; diff --git a/net/ipv6/ila/ila.h b/net/ipv6/ila/ila.h index ad5f6f6ba333..85b92917849b 100644 --- a/net/ipv6/ila/ila.h +++ b/net/ipv6/ila/ila.h @@ -108,6 +108,7 @@ int ila_lwt_init(void); void ila_lwt_fini(void); int ila_xlat_init_net(struct net *net); +void ila_xlat_pre_exit_net(struct net *net); void ila_xlat_exit_net(struct net *net); int ila_xlat_nl_cmd_add_mapping(struct sk_buff *skb, struct genl_info *info); diff --git a/net/ipv6/ila/ila_main.c b/net/ipv6/ila/ila_main.c index 3faf62530d6a..cba81158a24e 100644 --- a/net/ipv6/ila/ila_main.c +++ b/net/ipv6/ila/ila_main.c @@ -72,6 +72,11 @@ ila_xlat_init_fail: return err; } +static __net_exit void ila_pre_exit_net(struct net *net) +{ + ila_xlat_pre_exit_net(net); +} + static __net_exit void ila_exit_net(struct net *net) { ila_xlat_exit_net(net); @@ -79,6 +84,7 @@ static __net_exit void ila_exit_net(struct net *net) static struct pernet_operations ila_net_ops = { .init = ila_init_net, + .pre_exit = ila_pre_exit_net, .exit = ila_exit_net, .id = &ila_net_id, .size = sizeof(struct ila_net), diff --git a/net/ipv6/ila/ila_xlat.c b/net/ipv6/ila/ila_xlat.c index bee45dfeb187..2e7a36a1ea0a 100644 --- a/net/ipv6/ila/ila_xlat.c +++ b/net/ipv6/ila/ila_xlat.c @@ -620,6 +620,15 @@ int ila_xlat_init_net(struct net *net) return 0; } +void ila_xlat_pre_exit_net(struct net *net) +{ + struct ila_net *ilan = net_generic(net, ila_net_id); + + if (ilan->xlat.hooks_registered) + nf_unregister_net_hooks(net, ila_nf_hook_ops, + ARRAY_SIZE(ila_nf_hook_ops)); +} + void ila_xlat_exit_net(struct net *net) { struct ila_net *ilan = net_generic(net, ila_net_id); @@ -627,10 +636,6 @@ void ila_xlat_exit_net(struct net *net) rhashtable_free_and_destroy(&ilan->xlat.rhash_table, ila_free_cb, NULL); free_bucket_spinlocks(ilan->xlat.locks); - - if (ilan->xlat.hooks_registered) - nf_unregister_net_hooks(net, ila_nf_hook_ops, - ARRAY_SIZE(ila_nf_hook_ops)); } static int ila_xlat_addr(struct sk_buff *skb, bool sir2ila) diff --git a/net/netfilter/nf_conncount.c b/net/netfilter/nf_conncount.c index 5d8ed6c90b7e..5885810da412 100644 --- a/net/netfilter/nf_conncount.c +++ b/net/netfilter/nf_conncount.c @@ -321,7 +321,6 @@ insert_tree(struct net *net, struct nf_conncount_rb *rbconn; struct nf_conncount_tuple *conn; unsigned int count = 0, gc_count = 0; - u8 keylen = data->keylen; bool do_gc = true; spin_lock_bh(&nf_conncount_locks[hash]); @@ -333,7 +332,7 @@ restart: rbconn = rb_entry(*rbnode, struct nf_conncount_rb, node); parent = *rbnode; - diff = key_diff(key, rbconn->key, keylen); + diff = key_diff(key, rbconn->key, data->keylen); if (diff < 0) { rbnode = &((*rbnode)->rb_left); } else if (diff > 0) { @@ -378,7 +377,7 @@ restart: conn->tuple = *tuple; conn->zone = *zone; - memcpy(rbconn->key, key, sizeof(u32) * keylen); + memcpy(rbconn->key, key, sizeof(u32) * data->keylen); nf_conncount_list_init(&rbconn->list); list_add(&conn->node, &rbconn->list.head); @@ -403,7 +402,6 @@ count_tree(struct net *net, struct rb_node *parent; struct nf_conncount_rb *rbconn; unsigned int hash; - u8 keylen = data->keylen; hash = jhash2(key, data->keylen, conncount_rnd) % CONNCOUNT_SLOTS; root = &data->root[hash]; @@ -414,7 +412,7 @@ count_tree(struct net *net, rbconn = rb_entry(parent, struct nf_conncount_rb, node); - diff = key_diff(key, rbconn->key, keylen); + diff = key_diff(key, rbconn->key, data->keylen); if (diff < 0) { parent = rcu_dereference_raw(parent->rb_left); } else if (diff > 0) { diff --git a/net/sched/sch_cake.c b/net/sched/sch_cake.c index 3ed0c3342189..73e8caeffd47 100644 --- a/net/sched/sch_cake.c +++ b/net/sched/sch_cake.c @@ -785,12 +785,15 @@ skip_hash: * queue, accept the collision, update the host tags. */ q->way_collisions++; - if (q->flows[outer_hash + k].set == CAKE_SET_BULK) { - q->hosts[q->flows[reduced_hash].srchost].srchost_bulk_flow_count--; - q->hosts[q->flows[reduced_hash].dsthost].dsthost_bulk_flow_count--; - } allocate_src = cake_dsrc(flow_mode); allocate_dst = cake_ddst(flow_mode); + + if (q->flows[outer_hash + k].set == CAKE_SET_BULK) { + if (allocate_src) + q->hosts[q->flows[reduced_hash].srchost].srchost_bulk_flow_count--; + if (allocate_dst) + q->hosts[q->flows[reduced_hash].dsthost].dsthost_bulk_flow_count--; + } found: /* reserve queue for future packets in same flow */ reduced_hash = outer_hash + k; diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c index 0145336024e6..874457cdec18 100644 --- a/net/unix/af_unix.c +++ b/net/unix/af_unix.c @@ -682,9 +682,6 @@ static void init_peercred(struct sock *sk) static void copy_peercred(struct sock *sk, struct sock *peersk) { - const struct cred *old_cred; - struct pid *old_pid; - if (sk < peersk) { spin_lock(&sk->sk_peer_lock); spin_lock_nested(&peersk->sk_peer_lock, SINGLE_DEPTH_NESTING); @@ -692,16 +689,12 @@ static void copy_peercred(struct sock *sk, struct sock *peersk) spin_lock(&peersk->sk_peer_lock); spin_lock_nested(&sk->sk_peer_lock, SINGLE_DEPTH_NESTING); } - old_pid = sk->sk_peer_pid; - old_cred = sk->sk_peer_cred; + sk->sk_peer_pid = get_pid(peersk->sk_peer_pid); sk->sk_peer_cred = get_cred(peersk->sk_peer_cred); spin_unlock(&sk->sk_peer_lock); spin_unlock(&peersk->sk_peer_lock); - - put_pid(old_pid); - put_cred(old_cred); } static int unix_listen(struct socket *sock, int backlog) diff --git a/rust/Makefile b/rust/Makefile index 6d0c0e9757f2..28ba3b9ee18d 100644 --- a/rust/Makefile +++ b/rust/Makefile @@ -303,9 +303,7 @@ $(obj)/bindings/bindings_helpers_generated.rs: $(src)/helpers.c FORCE quiet_cmd_exports = EXPORTS $@ cmd_exports = \ $(NM) -p --defined-only $< \ - | grep -E ' (T|R|D) ' | cut -d ' ' -f 3 \ - | xargs -Isymbol \ - echo 'EXPORT_SYMBOL_RUST_GPL(symbol);' > $@ + | awk '/ (T|R|D|B) / {printf "EXPORT_SYMBOL_RUST_GPL(%s);\n",$$3}' > $@ $(obj)/exports_core_generated.h: $(obj)/core.o FORCE $(call if_changed,exports) diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c index 75b3e91d5a5f..c18366dbbfed 100644 --- a/security/smack/smack_lsm.c +++ b/security/smack/smack_lsm.c @@ -3706,12 +3706,18 @@ static int smack_unix_stream_connect(struct sock *sock, } } - /* - * Cross reference the peer labels for SO_PEERSEC. - */ if (rc == 0) { + /* + * Cross reference the peer labels for SO_PEERSEC. + */ nsp->smk_packet = ssp->smk_out; ssp->smk_packet = osp->smk_out; + + /* + * new/child/established socket must inherit listening socket labels + */ + nsp->smk_out = osp->smk_out; + nsp->smk_in = osp->smk_in; } return rc; diff --git a/sound/core/control.c b/sound/core/control.c index 82aa1af1d1d8..92266c97238d 100644 --- a/sound/core/control.c +++ b/sound/core/control.c @@ -1477,12 +1477,16 @@ static int snd_ctl_elem_user_get(struct snd_kcontrol *kcontrol, static int snd_ctl_elem_user_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { - int change; + int err, change; struct user_element *ue = kcontrol->private_data; unsigned int size = ue->elem_data_size; char *dst = ue->elem_data + snd_ctl_get_ioff(kcontrol, &ucontrol->id) * size; + err = sanity_check_input_values(ue->card, ucontrol, &ue->info, false); + if (err < 0) + return err; + change = memcmp(&ucontrol->value, dst, size) != 0; if (change) memcpy(dst, &ucontrol->value, size); diff --git a/sound/hda/hdmi_chmap.c b/sound/hda/hdmi_chmap.c index 5d8e1d944b0a..7b276047f85a 100644 --- a/sound/hda/hdmi_chmap.c +++ b/sound/hda/hdmi_chmap.c @@ -753,6 +753,20 @@ static int hdmi_chmap_ctl_get(struct snd_kcontrol *kcontrol, return 0; } +/* a simple sanity check for input values to chmap kcontrol */ +static int chmap_value_check(struct hdac_chmap *hchmap, + const struct snd_ctl_elem_value *ucontrol) +{ + int i; + + for (i = 0; i < hchmap->channels_max; i++) { + if (ucontrol->value.integer.value[i] < 0 || + ucontrol->value.integer.value[i] > SNDRV_CHMAP_LAST) + return -EINVAL; + } + return 0; +} + static int hdmi_chmap_ctl_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { @@ -764,6 +778,10 @@ static int hdmi_chmap_ctl_put(struct snd_kcontrol *kcontrol, unsigned char chmap[8], per_pin_chmap[8]; int i, err, ca, prepared = 0; + err = chmap_value_check(hchmap, ucontrol); + if (err < 0) + return err; + /* No monitor is connected in dyn_pcm_assign. * It's invalid to setup the chmap */ diff --git a/sound/soc/soc-topology.c b/sound/soc/soc-topology.c index fcb8a36d4a06..77296c950376 100644 --- a/sound/soc/soc-topology.c +++ b/sound/soc/soc-topology.c @@ -889,6 +889,8 @@ static int soc_tplg_denum_create_values(struct soc_tplg *tplg, struct soc_enum * se->dobj.control.dvalues[i] = le32_to_cpu(ec->values[i]); } + se->items = le32_to_cpu(ec->items); + se->values = (const unsigned int *)se->dobj.control.dvalues; return 0; } diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c index bb27dfd6b97a..878f05a42421 100644 --- a/tools/lib/bpf/libbpf.c +++ b/tools/lib/bpf/libbpf.c @@ -9364,7 +9364,7 @@ __bpf_map__iter(const struct bpf_map *m, const struct bpf_object *obj, int i) struct bpf_map * bpf_object__next_map(const struct bpf_object *obj, const struct bpf_map *prev) { - if (prev == NULL) + if (prev == NULL && obj != NULL) return obj->maps; return __bpf_map__iter(prev, obj, 1); @@ -9373,7 +9373,7 @@ bpf_object__next_map(const struct bpf_object *obj, const struct bpf_map *prev) struct bpf_map * bpf_object__prev_map(const struct bpf_object *obj, const struct bpf_map *next) { - if (next == NULL) { + if (next == NULL && obj != NULL) { if (!obj->nr_maps) return NULL; return obj->maps + obj->nr_maps - 1; diff --git a/tools/testing/selftests/dmabuf-heaps/dmabuf-heap.c b/tools/testing/selftests/dmabuf-heaps/dmabuf-heap.c index 890a8236a8ba..2809f9a25c43 100644 --- a/tools/testing/selftests/dmabuf-heaps/dmabuf-heap.c +++ b/tools/testing/selftests/dmabuf-heaps/dmabuf-heap.c @@ -28,9 +28,11 @@ static int check_vgem(int fd) version.name = name; ret = ioctl(fd, DRM_IOCTL_VERSION, &version); - if (ret) + if (ret || version.name_len != 4) return 0; + name[4] = '\0'; + return !strcmp(name, "vgem"); } diff --git a/tools/testing/selftests/net/mptcp/mptcp_join.sh b/tools/testing/selftests/net/mptcp/mptcp_join.sh index 33c002c26604..446b8daa23e0 100755 --- a/tools/testing/selftests/net/mptcp/mptcp_join.sh +++ b/tools/testing/selftests/net/mptcp/mptcp_join.sh @@ -394,6 +394,25 @@ reset_with_fail() fi } +start_events() +{ + evts_ns1=$(mktemp) + evts_ns2=$(mktemp) + :> "$evts_ns1" + :> "$evts_ns2" + ip netns exec "${ns1}" ./pm_nl_ctl events >> "$evts_ns1" 2>&1 & + evts_ns1_pid=$! + ip netns exec "${ns2}" ./pm_nl_ctl events >> "$evts_ns2" 2>&1 & + evts_ns2_pid=$! +} + +reset_with_events() +{ + reset "${1}" || return 1 + + start_events +} + reset_with_tcp_filter() { reset "${1}" || return 1 @@ -596,6 +615,14 @@ kill_tests_wait() wait } +kill_events_pids() +{ + kill_wait $evts_ns1_pid + evts_ns1_pid=0 + kill_wait $evts_ns2_pid + evts_ns2_pid=0 +} + pm_nl_set_limits() { local ns=$1 @@ -3143,6 +3170,32 @@ fail_tests() fi } +# $1: ns ; $2: event type ; $3: count +chk_evt_nr() +{ + local ns=${1} + local evt_name="${2}" + local exp="${3}" + + local evts="${evts_ns1}" + local evt="${!evt_name}" + local count + + evt_name="${evt_name:16}" # without MPTCP_LIB_EVENT_ + [ "${ns}" == "ns2" ] && evts="${evts_ns2}" + + printf "%-${nr_blank}s %s" " " "event ${ns} ${evt_name} (${exp})" + + count=$(grep -cw "type:${evt}" "${evts}") + if [ "${count}" != "${exp}" ]; then + echo "[fail] got $count events, expected $exp" + fail_test + dump_stats + else + echo "[ ok ]" + fi +} + userspace_tests() { # userspace pm type prevents add_addr @@ -3236,75 +3289,6 @@ userspace_tests() chk_join_nr 1 1 1 chk_rm_nr 0 1 fi - - # remove and re-add - if reset "delete re-add signal" && - mptcp_lib_kallsyms_has "subflow_rebuild_header$"; then - pm_nl_set_limits $ns1 0 3 - pm_nl_set_limits $ns2 3 3 - pm_nl_add_endpoint $ns1 10.0.2.1 id 1 flags signal - # broadcast IP: no packet for this address will be received on ns1 - pm_nl_add_endpoint $ns1 224.0.0.1 id 2 flags signal - pm_nl_add_endpoint $ns1 10.0.1.1 id 42 flags signal - run_tests $ns1 $ns2 10.0.1.1 4 0 0 speed_20 2>/dev/null & - local tests_pid=$! - - wait_mpj $ns2 - chk_subflow_nr needtitle "before delete" 2 - - pm_nl_del_endpoint $ns1 1 10.0.2.1 - pm_nl_del_endpoint $ns1 2 224.0.0.1 - sleep 0.5 - chk_subflow_nr "" "after delete" 1 - - pm_nl_add_endpoint $ns1 10.0.2.1 id 1 flags signal - pm_nl_add_endpoint $ns1 10.0.3.1 id 2 flags signal - wait_mpj $ns2 - chk_subflow_nr "" "after re-add" 3 - - pm_nl_del_endpoint $ns1 42 10.0.1.1 - sleep 0.5 - chk_subflow_nr "" "after delete ID 0" 2 - - pm_nl_add_endpoint $ns1 10.0.1.1 id 99 flags signal - wait_mpj $ns2 - chk_subflow_nr "" "after re-add" 3 - kill_tests_wait - - chk_join_nr 4 4 4 - chk_add_nr 5 5 - chk_rm_nr 3 2 invert - fi - - # flush and re-add - if reset_with_tcp_filter "flush re-add" ns2 10.0.3.2 REJECT OUTPUT && - mptcp_lib_kallsyms_has "subflow_rebuild_header$"; then - pm_nl_set_limits $ns1 0 2 - pm_nl_set_limits $ns2 1 2 - # broadcast IP: no packet for this address will be received on ns1 - pm_nl_add_endpoint $ns1 224.0.0.1 id 2 flags signal - pm_nl_add_endpoint $ns2 10.0.3.2 id 3 flags subflow - run_tests $ns1 $ns2 10.0.1.1 4 0 0 speed_20 2>/dev/null & - local tests_pid=$! - - wait_attempt_fail $ns2 - chk_subflow_nr needtitle "before flush" 1 - - pm_nl_flush_endpoint $ns2 - pm_nl_flush_endpoint $ns1 - wait_rm_addr $ns2 0 - ip netns exec "${ns2}" ${iptables} -D OUTPUT -s "10.0.3.2" -p tcp -j REJECT - pm_nl_add_endpoint $ns2 10.0.3.2 id 3 flags subflow - wait_mpj $ns2 - pm_nl_add_endpoint $ns1 10.0.3.1 id 2 flags signal - wait_mpj $ns2 - kill_wait "${tests_pid}" - kill_tests_wait - - chk_join_nr 2 2 2 - chk_add_nr 2 2 - chk_rm_nr 1 0 invert - fi } endpoint_tests() @@ -3334,11 +3318,13 @@ endpoint_tests() if reset_with_tcp_filter "delete and re-add" ns2 10.0.3.2 REJECT OUTPUT && mptcp_lib_kallsyms_has "subflow_rebuild_header$"; then + start_events pm_nl_set_limits $ns1 0 3 pm_nl_set_limits $ns2 0 3 pm_nl_add_endpoint $ns2 10.0.1.2 id 1 dev ns2eth1 flags subflow pm_nl_add_endpoint $ns2 10.0.2.2 id 2 dev ns2eth2 flags subflow run_tests $ns1 $ns2 10.0.1.1 4 0 0 speed_5 2>/dev/null & + local tests_pid=$! wait_mpj $ns2 pm_nl_del_endpoint $ns2 2 10.0.2.2 @@ -3370,11 +3356,121 @@ endpoint_tests() chk_subflow_nr "" "after re-add id 0 ($i)" 3 done + kill_wait "${tests_pid}" + kill_events_pids kill_tests_wait + chk_evt_nr ns1 MPTCP_LIB_EVENT_CREATED 1 + chk_evt_nr ns1 MPTCP_LIB_EVENT_ESTABLISHED 1 + chk_evt_nr ns1 MPTCP_LIB_EVENT_ANNOUNCED 0 + chk_evt_nr ns1 MPTCP_LIB_EVENT_REMOVED 4 + chk_evt_nr ns1 MPTCP_LIB_EVENT_SUB_ESTABLISHED 6 + chk_evt_nr ns1 MPTCP_LIB_EVENT_SUB_CLOSED 4 + + chk_evt_nr ns2 MPTCP_LIB_EVENT_CREATED 1 + chk_evt_nr ns2 MPTCP_LIB_EVENT_ESTABLISHED 1 + chk_evt_nr ns2 MPTCP_LIB_EVENT_ANNOUNCED 0 + chk_evt_nr ns2 MPTCP_LIB_EVENT_REMOVED 0 + chk_evt_nr ns2 MPTCP_LIB_EVENT_SUB_ESTABLISHED 6 + chk_evt_nr ns2 MPTCP_LIB_EVENT_SUB_CLOSED 5 # one has been closed before estab + chk_join_nr 6 6 6 chk_rm_nr 4 4 fi + + # remove and re-add + if reset_with_events "delete re-add signal" && + mptcp_lib_kallsyms_has "subflow_rebuild_header$"; then + pm_nl_set_limits $ns1 0 3 + pm_nl_set_limits $ns2 3 3 + pm_nl_add_endpoint $ns1 10.0.2.1 id 1 flags signal + # broadcast IP: no packet for this address will be received on ns1 + pm_nl_add_endpoint $ns1 224.0.0.1 id 2 flags signal + pm_nl_add_endpoint $ns1 10.0.1.1 id 42 flags signal + run_tests $ns1 $ns2 10.0.1.1 4 0 0 speed_5 2>/dev/null & + local tests_pid=$! + + wait_mpj $ns2 + chk_subflow_nr needtitle "before delete" 2 + + pm_nl_del_endpoint $ns1 1 10.0.2.1 + pm_nl_del_endpoint $ns1 2 224.0.0.1 + sleep 0.5 + chk_subflow_nr "" "after delete" 1 + + pm_nl_add_endpoint $ns1 10.0.2.1 id 1 flags signal + pm_nl_add_endpoint $ns1 10.0.3.1 id 2 flags signal + wait_mpj $ns2 + chk_subflow_nr "" "after re-add" 3 + + pm_nl_del_endpoint $ns1 42 10.0.1.1 + sleep 0.5 + chk_subflow_nr "" "after delete ID 0" 2 + + pm_nl_add_endpoint $ns1 10.0.1.1 id 99 flags signal + wait_mpj $ns2 + chk_subflow_nr "" "after re-add ID 0" 3 + + pm_nl_del_endpoint $ns1 99 10.0.1.1 + sleep 0.5 + chk_subflow_nr "" "after re-delete ID 0" 2 + + pm_nl_add_endpoint $ns1 10.0.1.1 id 88 flags signal + wait_mpj $ns2 + chk_subflow_nr "" "after re-re-add ID 0" 3 + + kill_wait "${tests_pid}" + kill_events_pids + kill_tests_wait + + chk_evt_nr ns1 MPTCP_LIB_EVENT_CREATED 1 + chk_evt_nr ns1 MPTCP_LIB_EVENT_ESTABLISHED 1 + chk_evt_nr ns1 MPTCP_LIB_EVENT_ANNOUNCED 0 + chk_evt_nr ns1 MPTCP_LIB_EVENT_REMOVED 0 + chk_evt_nr ns1 MPTCP_LIB_EVENT_SUB_ESTABLISHED 5 + chk_evt_nr ns1 MPTCP_LIB_EVENT_SUB_CLOSED 3 + + chk_evt_nr ns2 MPTCP_LIB_EVENT_CREATED 1 + chk_evt_nr ns2 MPTCP_LIB_EVENT_ESTABLISHED 1 + chk_evt_nr ns2 MPTCP_LIB_EVENT_ANNOUNCED 6 + chk_evt_nr ns2 MPTCP_LIB_EVENT_REMOVED 4 + chk_evt_nr ns2 MPTCP_LIB_EVENT_SUB_ESTABLISHED 5 + chk_evt_nr ns2 MPTCP_LIB_EVENT_SUB_CLOSED 3 + + chk_join_nr 5 5 5 + chk_add_nr 6 6 + chk_rm_nr 4 3 invert + fi + + # flush and re-add + if reset_with_tcp_filter "flush re-add" ns2 10.0.3.2 REJECT OUTPUT && + mptcp_lib_kallsyms_has "subflow_rebuild_header$"; then + pm_nl_set_limits $ns1 0 2 + pm_nl_set_limits $ns2 1 2 + # broadcast IP: no packet for this address will be received on ns1 + pm_nl_add_endpoint $ns1 224.0.0.1 id 2 flags signal + pm_nl_add_endpoint $ns2 10.0.3.2 id 3 flags subflow + run_tests $ns1 $ns2 10.0.1.1 4 0 0 speed_20 2>/dev/null & + local tests_pid=$! + + wait_attempt_fail $ns2 + chk_subflow_nr needtitle "before flush" 1 + + pm_nl_flush_endpoint $ns2 + pm_nl_flush_endpoint $ns1 + wait_rm_addr $ns2 0 + ip netns exec "${ns2}" ${iptables} -D OUTPUT -s "10.0.3.2" -p tcp -j REJECT + pm_nl_add_endpoint $ns2 10.0.3.2 id 3 flags subflow + wait_mpj $ns2 + pm_nl_add_endpoint $ns1 10.0.3.1 id 2 flags signal + wait_mpj $ns2 + kill_wait "${tests_pid}" + kill_tests_wait + + chk_join_nr 2 2 2 + chk_add_nr 2 2 + chk_rm_nr 1 0 invert + fi } # [$1: error message] diff --git a/tools/testing/selftests/net/mptcp/mptcp_lib.sh b/tools/testing/selftests/net/mptcp/mptcp_lib.sh index f32045b23b89..4b1bef34d6d8 100644 --- a/tools/testing/selftests/net/mptcp/mptcp_lib.sh +++ b/tools/testing/selftests/net/mptcp/mptcp_lib.sh @@ -4,6 +4,21 @@ readonly KSFT_FAIL=1 readonly KSFT_SKIP=4 +# These variables are used in some selftests, read-only +declare -rx MPTCP_LIB_EVENT_CREATED=1 # MPTCP_EVENT_CREATED +declare -rx MPTCP_LIB_EVENT_ESTABLISHED=2 # MPTCP_EVENT_ESTABLISHED +declare -rx MPTCP_LIB_EVENT_CLOSED=3 # MPTCP_EVENT_CLOSED +declare -rx MPTCP_LIB_EVENT_ANNOUNCED=6 # MPTCP_EVENT_ANNOUNCED +declare -rx MPTCP_LIB_EVENT_REMOVED=7 # MPTCP_EVENT_REMOVED +declare -rx MPTCP_LIB_EVENT_SUB_ESTABLISHED=10 # MPTCP_EVENT_SUB_ESTABLISHED +declare -rx MPTCP_LIB_EVENT_SUB_CLOSED=11 # MPTCP_EVENT_SUB_CLOSED +declare -rx MPTCP_LIB_EVENT_SUB_PRIORITY=13 # MPTCP_EVENT_SUB_PRIORITY +declare -rx MPTCP_LIB_EVENT_LISTENER_CREATED=15 # MPTCP_EVENT_LISTENER_CREATED +declare -rx MPTCP_LIB_EVENT_LISTENER_CLOSED=16 # MPTCP_EVENT_LISTENER_CLOSED + +declare -rx MPTCP_LIB_AF_INET=2 +declare -rx MPTCP_LIB_AF_INET6=10 + # SELFTESTS_MPTCP_LIB_EXPECT_ALL_FEATURES env var can be set when validating all # features using the last version of the kernel and the selftests to make sure # a test is not being skipped by mistake.