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Lee Jones 0e3339114a UPSTREAM: bpf: Ensure correct locking around vulnerable function find_vpid() 
[ Upstream commit 83c10cc362 ]

The documentation for find_vpid() clearly states:

  "Must be called with the tasklist_lock or rcu_read_lock() held."

Presently we do neither for find_vpid() instance in bpf_task_fd_query().
Add proper rcu_read_lock/unlock() to fix the issue.

Bug: 232939090
Fixes: 41bdc4b40e ("bpf: introduce bpf subcommand BPF_TASK_FD_QUERY")
Signed-off-by: Lee Jones <lee@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Yonghong Song <yhs@fb.com>
Link: https://lore.kernel.org/bpf/20220912133855.1218900-1-lee@kernel.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Lee Jones <joneslee@google.com>
Change-Id: I517b52d97a22b92be1a479279067ddb7b84efbba
2022-12-08 11:26:25 +00:00
..
bpf
UPSTREAM: bpf: Ensure correct locking around vulnerable function find_vpid()
2022-12-08 11:26:25 +00:00
cgroup
Merge 64f18041dd ("Merge branch 'android13-5.10' into branch 'android13-5.10-lts'") into android13-5.10-lts
2022-11-29 16:06:29 +00:00
configs
…
debug
lockdown: also lock down previous kgdb use
2022-05-30 09:33:22 +02:00
dma
UPSTREAM: swiotlb: fail map correctly with failed io_tlb_default_mem
2022-12-05 11:27:45 +00:00
entry
KVM: rseq: Update rseq when processing NOTIFY_RESUME on xfer to KVM guest
2021-10-06 15:55:49 +02:00
events
Merge 5.10.134 into android13-5.10-lts
2022-08-17 13:46:33 +02:00
gcov
gcov: re-fix clang-11+ support
2021-04-14 08:41:58 +02:00
irq
Merge 64f18041dd ("Merge branch 'android13-5.10' into branch 'android13-5.10-lts'") into android13-5.10-lts
2022-11-29 16:06:29 +00:00
kcsan
kcsan: Fix debugfs initcall return type
2021-05-26 12:06:54 +02:00
livepatch
UPSTREAM: Linux 5.10.110
2022-05-15 18:02:37 +02:00
locking
Merge 5.10.137 into android13-5.10-lts
2022-08-29 16:41:04 +02:00
power
Merge tag 'android13-5.10.149_r00' into android13-5.10
2022-12-01 08:39:54 +00:00
printk
UPSTREAM: Linux 5.10.110
2022-05-15 18:02:37 +02:00
rcu
Merge 5.10.121 into android13-5.10-lts
2022-08-05 14:25:17 +02:00
sched
Merge tag 'android13-5.10.149_r00' into android13-5.10
2022-12-01 08:39:54 +00:00
time
Merge 5.10.137 into android13-5.10-lts
2022-08-29 16:41:04 +02:00
trace
Merge 5.10.145 into android13-5.10-lts
2022-09-24 09:56:12 +02:00
.gitignore
kbuild: update config_data.gz only when the content of .config is changed
2021-05-11 14:47:37 +02:00
acct.c
kernel: acct.c: fix some kernel-doc nits
2020-10-16 11:11:19 -07:00
async.c
Revert "module, async: async_synchronize_full() on module init iff async is used"
2022-02-23 12:01:00 +01:00
audit_fsnotify.c
audit: fix potential double free on error path from fsnotify_add_inode_mark
2022-08-31 17:15:13 +02:00
audit_tree.c
audit: move put_tree() to avoid trim_trees refcount underflow and UAF
2021-09-03 10:09:31 +02:00
audit_watch.c
fsnotify: generalize handle_inode_event()
2020-12-30 11:54:18 +01:00
audit.c
audit: improve audit queue handling when "audit=1" on cmdline
2022-02-08 18:30:34 +01:00
audit.h
Revert "audit: log AUDIT_TIME_* records only from rules"
2022-11-29 16:06:51 +00:00
auditfilter.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
auditsc.c
Revert "audit: log AUDIT_TIME_* records only from rules"
2022-11-29 16:06:51 +00:00
backtracetest.c
treewide: Replace DECLARE_TASKLET() with DECLARE_TASKLET_OLD()
2020-07-30 11:15:58 -07:00
bounds.c
BACKPORT: mm: multi-gen LRU: minimal implementation
2022-11-29 02:06:20 +00:00
capability.c
LSM: Signal to SafeSetID when setting group IDs
2020-10-13 09:17:34 -07:00
cfi.c
ANDROID: cfi: explicitly clear diag in __cfi_slowpath
2021-09-01 09:46:41 +00:00
compat.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
configs.c
…
context_tracking.c
…
cpu_pm.c
PM: cpu: Make notifier chain use a raw_spinlock_t
2021-09-15 09:50:40 +02:00
cpu.c
ANDROID: cpu/hotplug: call perf event through function pointer
2022-12-02 19:10:08 +00:00
crash_core.c
crash_core, vmcoreinfo: append 'SECTION_SIZE_BITS' to vmcoreinfo
2021-06-23 14:42:52 +02:00
crash_dump.c
…
cred.c
Merge 5.10.63 into android13-5.10
2021-09-08 09:07:16 +02:00
delayacct.c
…
dma.c
…
exec_domain.c
…
exit.c
BACKPORT: mm: multi-gen LRU: support page table walks
2022-11-29 02:06:20 +00:00
extable.c
…
fail_function.c
fail_function: Remove a redundant mutex unlock
2020-11-19 11:58:16 -08:00
fork.c
Merge tag 'android13-5.10.149_r00' into android13-5.10
2022-12-01 08:39:54 +00:00
freezer.c
ANDROID: freezer: Add vendor hook to freezer for GKI purpose.
2021-06-07 16:07:44 +00:00
futex.c
ANDROID: reset android13-5.10-lts branch back to android13-5.10 state
2022-05-13 17:49:59 +02:00
gen_kheaders.sh
…
gki_module.c
ANDROID: GKI: Add module load time protected symbol lookup
2021-12-22 00:12:12 +00:00
groups.c
LSM: Signal to SafeSetID when setting group IDs
2020-10-13 09:17:34 -07:00
hung_task.c
FROMLIST: freezer: Add frozen_or_skipped() helper function
2021-06-02 16:44:56 +01:00
iomem.c
…
irq_work.c
ANDROID: Sched: Export scheduler symbols needed by vendor modules
2020-12-03 16:50:04 +00:00
jump_label.c
jump_label: Fix jump_label_text_reserved() vs __init
2021-07-20 16:05:58 +02:00
kallsyms.c
ANDROID: kallsyms: cfi: strip hashes from static functions
2021-01-14 16:31:46 +00:00
kcmp.c
exec: Transform exec_update_mutex into a rw_semaphore
2021-01-09 13:46:24 +01:00
Kconfig.freezer
…
Kconfig.hz
…
Kconfig.locks
…
Kconfig.preempt
…
kcov.c
kcov: make some symbols static
2020-08-12 10:58:02 -07:00
kexec_core.c
kernel: kexec: remove the lock operation of system_transition_mutex
2021-02-03 23:28:37 +01:00
kexec_elf.c
…
kexec_file.c
ima: force signature verification when CONFIG_KEXEC_SIG is configured
2022-07-21 21:20:11 +02:00
kexec_internal.h
UPSTREAM: kexec: move machine_kexec_post_load() to public interface
2021-09-24 15:28:22 -07:00
kexec.c
LSM: Introduce kernel_post_load_data() hook
2020-10-05 13:37:03 +02:00
kheaders.c
…
kmod.c
kmod: remove redundant "be an" in the comment
2020-08-12 10:58:01 -07:00
kprobes.c
kprobes: Prohibit probes in gate area
2022-09-15 11:32:03 +02:00
ksysfs.c
…
kthread.c
Merge 5.10.62 into android13-5.10
2021-09-03 10:59:15 +02:00
latencytop.c
…
Makefile
ANDROID: GKI: Add module load time protected symbol lookup
2021-12-22 00:12:12 +00:00
module_signature.c
module: harden ELF info handling
2021-03-25 09:04:11 +01:00
module_signing.c
module: harden ELF info handling
2021-03-25 09:04:11 +01:00
module-internal.h
ANDROID: GKI: Add module load time protected symbol lookup
2021-12-22 00:12:12 +00:00
module.c
Merge 64f18041dd ("Merge branch 'android13-5.10' into branch 'android13-5.10-lts'") into android13-5.10-lts
2022-11-29 16:06:29 +00:00
notifier.c
notifier: Fix broken error handling pattern
2020-09-01 09:58:03 +02:00
nsproxy.c
…
padata.c
padata: fix possible padata_works_lock deadlock
2020-09-04 17:51:55 +10:00
panic.c
panic: don't dump stack twice on warn
2020-11-14 11:26:04 -08:00
params.c
params: Replace zero-length array with flexible-array member
2020-10-29 17:22:59 -05:00
pid_namespace.c
memcg: enable accounting for pids in nested pid namespaces
2021-09-18 13:40:36 +02:00
pid.c
ANDROID: vendor_hooks:vendor hook for pidfd_open
2022-08-16 02:42:13 +00:00
profile.c
profiling: fix shift too large makes kernel panic
2022-08-21 15:16:05 +02:00
ptrace.c
BACKPORT: ptrace: Check PTRACE_O_SUSPEND_SECCOMP permission on PTRACE_SEIZE
2022-06-29 15:04:37 +01:00
range.c
kernel.h: split out min()/max() et al. helpers
2020-10-16 11:11:19 -07:00
reboot.c
Merge e28c0d7c92 ("Merge branch 'akpm' (patches from Andrew)") into android-mainline
2020-11-15 14:37:09 +01:00
regset.c
regset: kill ->get()
2020-07-27 14:31:12 -04:00
relay.c
kernel/relay.c: drop unneeded initialization
2020-10-16 11:11:22 -07:00
resource.c
kernel/resource: make walk_mem_res() find all busy IORESOURCE_MEM resources
2021-05-19 10:13:09 +02:00
rseq.c
UPSTREAM: Linux 5.10.110
2022-05-15 18:02:37 +02:00
scftorture.c
scftorture: Fix distribution of short handler delays
2022-06-09 10:21:01 +02:00
scs.c
ANDROID: reset android13-5.10-lts branch back to android13-5.10 state
2022-05-13 17:49:59 +02:00
seccomp.c
Merge 5.10.60 into android13-5.10
2021-08-18 09:34:44 +02:00
signal.c
Merge branch 'android13-5.10' into branch 'android13-5.10-lts'
2022-10-05 15:42:29 +02:00
smp.c
Merge 5.10.112 into android13-5.10-lts
2022-06-24 11:54:12 +02:00
smpboot.c
Revert "Revert "sched/core: Initialize the idle task with preemption disabled""
2021-10-26 10:01:09 +08:00
smpboot.h
…
softirq.c
ANDROID: softirq: Fix missing wakeup_softirqd() in !CONFIG_RT_SOFTINT_OPTIMIZATION case
2022-12-06 17:44:55 +00:00
stackleak.c
gcc-plugins/stackleak: Use noinstr in favor of notrace
2022-02-23 12:01:00 +01:00
stacktrace.c
ANDROID: stacktrace: export stack_trace_save_tsk/regs
2021-04-16 07:44:43 +00:00
static_call.c
static_call: Fix unused variable warn w/o MODULE
2021-09-08 08:49:00 +02:00
stop_machine.c
ANDROID: stop_machine: stop_one_cpu_async
2020-12-08 19:07:21 +00:00
sys_ni.c
Merge 5.10.140 into android13-5.10-lts
2022-08-31 18:21:28 +02:00
sys.c
ANDROID: reset android13-5.10-lts branch back to android13-5.10 state
2022-05-13 17:49:59 +02:00
sysctl-test.c
…
sysctl.c
Merge branch 'android13-5.10' into branch 'android13-5.10-lts'
2022-10-05 15:42:29 +02:00
task_work.c
FROMGIT: kasan: record task_work_add() call stack
2021-03-24 15:09:18 -07:00
taskstats.c
taskstats: move specifying netlink policy back to ops
2020-10-02 19:11:12 -07:00
test_kprobes.c
…
torture.c
…
tracepoint.c
Merge 5.10.62 into android13-5.10
2021-09-03 10:59:15 +02:00
tsacct.c
taskstats: Cleanup the use of task->exit_code
2022-01-27 10:54:33 +01:00
ucount.c
Revert "Add a reference to ucounts for each cred"
2021-09-08 08:49:00 +02:00
uid16.c
…
uid16.h
…
umh.c
usermodehelper: reset umask to default before executing user process
2020-10-06 10:31:52 -07:00
up.c
smp: Fix smp_call_function_single_async prototype
2021-05-14 09:50:46 +02:00
user_namespace.c
Revert "Add a reference to ucounts for each cred"
2021-09-08 08:49:00 +02:00
user-return-notifier.c
…
user.c
ANDROID: user: Add vendor hook to user for GKI purpose
2021-06-10 01:35:22 +00:00
usermode_driver.c
bpf: Fix umd memory leak in copy_process()
2021-03-30 14:32:03 +02:00
utsname_sysctl.c
…
utsname.c
…
watch_queue.c
Merge 64f18041dd ("Merge branch 'android13-5.10' into branch 'android13-5.10-lts'") into android13-5.10-lts
2022-11-29 16:06:29 +00:00
watchdog_hld.c
…
watchdog.c
Merge 5.10.138 into android13-5.10-lts
2022-08-29 16:45:18 +02:00
workqueue_internal.h
…
workqueue.c
Merge branch 'android13-5.10' into branch 'android13-5.10-lts'
2022-10-05 15:42:29 +02:00