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Yafang Shao 13f7f52c59 bpf: Clear the probe_addr for uprobe 
[ Upstream commit 5125e757e6 ]

To avoid returning uninitialized or random values when querying the file
descriptor (fd) and accessing probe_addr, it is necessary to clear the
variable prior to its use.

Fixes: 41bdc4b40e ("bpf: introduce bpf subcommand BPF_TASK_FD_QUERY")
Signed-off-by: Yafang Shao <laoar.shao@gmail.com>
Acked-by: Yonghong Song <yhs@fb.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Link: https://lore.kernel.org/r/20230709025630.3735-6-laoar.shao@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-11-23 16:32:59 +09:00
..
bpf
bpf: Address KCSAN report on bpf_lru_list
2023-11-23 16:19:33 +09:00
cgroup
cgroup: Do not corrupt task iteration when rebinding subsystem
2023-11-23 11:57:11 +09:00
configs
kconfig: tinyconfig: remove stale stack protector fixups
2018-06-15 07:15:28 +09:00
debug
Merge 4.19.178 into android-4.19-stable
2021-03-05 07:01:18 +01:00
dma
treewide: Remove uninitialized_var() usage
2023-11-23 16:02:28 +09:00
events
perf: Fix function pointer case
2023-11-23 16:21:38 +09:00
gcov
gcov: add support for checksum field
2023-11-17 08:42:20 +09:00
irq
irqdomain: Drop bogus fwspec-mapping error handling
2023-11-17 08:42:57 +09:00
livepatch
livepatch: fix race between fork and KLP transition
2023-11-17 08:41:15 +09:00
locking
treewide: Remove uninitialized_var() usage
2023-11-23 16:02:28 +09:00
power
PM: hibernate: Allow hybrid sleep to work with s2idle
2023-11-17 08:41:30 +09:00
printk
printk: fix return value of printk.devkmsg __setup handler
2023-11-17 08:39:07 +09:00
rcu
rcu: Suppress smp_processor_id() complaint in synchronize_rcu_expedited_wait()
2023-11-17 08:42:53 +09:00
sched
sched/rt: pick_next_rt_entity(): check list_entry
2023-11-23 16:31:36 +09:00
time
posix-timers: Ensure timer ID search-loop limit is valid
2023-11-23 16:19:30 +09:00
trace
bpf: Clear the probe_addr for uprobe
2023-11-23 16:32:59 +09:00
.gitignore
BACKPORT: Provide in-kernel headers to make extending kernel easier
2019-06-12 12:33:20 +00:00
acct.c
acct: fix potential integer overflow in encode_comp_t()
2023-11-17 08:42:17 +09:00
async.c
treewide: Remove uninitialized_var() usage
2023-11-23 16:02:28 +09:00
audit_fsnotify.c
audit: fix potential double free on error path from fsnotify_add_inode_mark
2023-11-17 08:40:54 +09:00
audit_tree.c
audit: Embed key into chunk
2019-12-13 08:51:11 +01:00
audit_watch.c
audit: CONFIG_CHANGE don't log internal bookkeeping as an event
2020-10-01 13:14:33 +02:00
audit.c
treewide: Remove uninitialized_var() usage
2023-11-23 16:02:28 +09:00
audit.h
audit: fix a net reference leak in audit_list_rules_send()
2020-06-22 09:05:13 +02:00
auditfilter.c
audit: fix a net reference leak in audit_list_rules_send()
2020-06-22 09:05:13 +02:00
auditsc.c
audit: print empty EXECVE args
2019-12-01 09:17:17 +01:00
backtracetest.c
…
bounds.c
kbuild: fix kernel/bounds.c 'W=1' warning
2018-11-13 11:08:47 -08:00
capability.c
LSM: generalize flag passing to security_capable
2020-01-23 08:21:29 +01:00
cfi.c
ANDROID: cfi: fix export symbol types
2020-04-29 19:16:15 +02:00
compat.c
sched_getaffinity: don't assume 'cpumask_size()' is fully initialized
2023-11-17 08:43:11 +09:00
configs.c
…
context_tracking.c
…
cpu_pm.c
kernel/cpu_pm: Fix uninitted local in cpu_pm
2020-06-22 09:05:28 +02:00
cpu.c
random: clear fast pool, crng, and batches in cpuhp bring up
2023-11-17 08:40:11 +09:00
crash_core.c
kernel/crash_core.c: print timestamp using time64_t
2018-08-22 10:52:47 -07:00
crash_dump.c
…
cred.c
memcg: account security cred as well to kmemcg
2020-01-09 10:19:00 +01:00
delayacct.c
UPSTREAM: delayacct: track delays from thrashing cache pages
2019-03-21 16:25:26 -07:00
dma.c
proc: introduce proc_create_single{,_data}
2018-05-16 07:23:35 +02:00
exec_domain.c
proc: introduce proc_create_single{,_data}
2018-05-16 07:23:35 +02:00
exit.c
treewide: Remove uninitialized_var() usage
2023-11-23 16:02:28 +09:00
extable.c
kernel/extable.c: use address-of operator on section symbols
2023-11-17 08:43:46 +09:00
fail_function.c
fail_function: Remove a redundant mutex unlock
2020-11-24 13:27:23 +01:00
fork.c
Merge 4.19.207 into android-4.19-stable
2021-09-25 14:26:55 +02:00
freezer.c
PM / reboot: Eliminate race between reboot and suspend
2018-08-06 12:35:20 +02:00
futex.c
treewide: Remove uninitialized_var() usage
2023-11-23 16:02:28 +09:00
gen_kheaders.sh
UPSTREAM: kheaders: include only headers into kheaders_data.tar.xz
2020-04-16 18:00:25 +00:00
groups.c
kernel: make groups_sort calling a responsibility group_info allocators
2017-12-14 16:00:49 -08:00
hung_task.c
kernel: hung_task.c: disable on suspend
2019-04-20 09:16:02 +02:00
iomem.c
memremap: split devm_memremap_pages() and memremap() infrastructure
2018-05-15 23:08:33 -07:00
irq_work.c
irq_work: Do not raise an IPI when queueing work on the local CPU
2019-05-31 06:46:19 -07:00
jump_label.c
locking/static_key: Fix false positive warnings on concurrent dec/inc
2021-03-04 09:39:30 +01:00
kallsyms.c
Merge 4.19.133 into android-4.19-stable
2020-07-17 07:54:52 +02:00
kcmp.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
Kconfig.freezer
…
Kconfig.hz
…
Kconfig.locks
…
Kconfig.preempt
kconfig: include kernel/Kconfig.preempt from init/Kconfig
2018-08-02 08:06:54 +09:00
kcov.c
UPSTREAM: kcov: remote coverage support
2020-01-15 14:51:23 +00:00
kexec_core.c
kexec: fix a memory leak in crash_shrink_memory()
2023-11-23 16:03:20 +09:00
kexec_file.c
kexec: support purgatories with .text.hot sections
2023-11-23 10:59:44 +09:00
kexec_internal.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
kexec.c
kexec: add call to LSM hook in original kexec_load syscall
2018-07-16 12:31:57 -07:00
kheaders.c
BACKPORT: kheaders: Move from proc to sysfs
2019-06-12 12:33:54 +00:00
kmod.c
kmod: make request_module() return an error when autoloading is disabled
2020-04-17 10:48:52 +02:00
kprobes.c
x86/kprobes: Fix arch_check_optimized_kprobe check within optimized_kprobe range
2023-11-17 08:42:56 +09:00
ksysfs.c
kernel/ksysfs.c: Call ksysfs_init() early when CONFIG_ROCKCHIP_THUNDER_BOOT=y
2020-05-25 18:20:21 +08:00
kthread.c
Merge 4.19.197 into android-4.19-stable
2021-07-11 21:33:34 +02:00
latencytop.c
…
Makefile
Merge 4.19.175 into android-4.19-stable
2021-02-10 09:57:00 +01:00
memremap.c
mm/memory_hotplug: shrink zones when offlining memory
2020-01-29 16:43:27 +01:00
module_signing.c
modsign: log module name in the event of an error
2018-07-02 11:36:17 +02:00
module-internal.h
modsign: log module name in the event of an error
2018-07-02 11:36:17 +02:00
module.c
modules: only allow symbol_get of EXPORT_SYMBOL_GPL modules
2023-11-23 16:31:58 +09:00
notifier.c
x86/mm: split vmalloc_sync_all()
2020-03-25 08:06:13 +01:00
nsproxy.c
…
padata.c
Revert "padata: validate cpumask without removed CPU during offline"
2021-08-09 16:20:31 +02:00
panic.c
exit: Use READ_ONCE() for all oops/warn limit reads
2023-11-17 08:42:38 +09:00
params.c
Merge tag 'ASB-2020-09-05_4.19-stable' of https://android.googlesource.com/kernel/common
2020-09-24 17:59:50 +08:00
pid_namespace.c
memcg: enable accounting for pids in nested pid namespaces
2021-09-22 11:48:09 +02:00
pid.c
UPSTREAM: pid: add pidfd_open()
2019-08-12 13:36:37 -04:00
profile.c
profiling: fix shift too large makes kernel panic
2023-11-17 08:40:44 +09:00
ptrace.c
ptrace: Reimplement PTRACE_KILL by always sending SIGKILL
2023-11-17 08:39:43 +09:00
range.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
reboot.c
reboot: Introduce kernel pre restart handler call chain
2021-01-22 20:12:56 +08:00
relay.c
relayfs: fix out-of-bounds access in relay_file_read
2023-11-17 08:43:28 +09:00
resource.c
Merge remote branch 'android-4.19' of https://android.googlesource.com/kernel/common
2019-10-28 20:26:28 +08:00
rseq.c
rseq: uapi: Declare rseq_cs field as union, update includes
2018-07-10 22:18:52 +02:00
scs.c
FROMLIST: scs: add support for stack usage debugging
2019-11-27 12:37:25 -08:00
seccomp.c
seccomp: Invalidate seccomp mode to catch death failures
2022-02-16 12:51:47 +01:00
signal.c
signal handling: don't use BUG_ON() for debugging
2023-11-17 08:40:29 +09:00
smp.c
smp: Fix offline cpu check in flush_smp_call_function_queue()
2023-11-17 08:39:24 +09:00
smpboot.c
kthread: Extract KTHREAD_IS_PER_CPU
2021-02-07 14:48:38 +01:00
smpboot.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
softirq.c
nohz: Fix missing tick reprogram when interrupting an inline softirq
2018-08-03 15:52:10 +02:00
stacktrace.c
…
stop_machine.c
Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2018-08-13 11:25:07 -07:00
sys_ni.c
kernel/sys_ni: add compat entry for fadvise64_64
2023-11-17 08:40:54 +09:00
sys.c
prlimit: do_prlimit needs to have a speculation check
2023-11-17 08:42:31 +09:00
sysctl_binary.c
staging: irda: remove remaining remants of irda code removal
2018-04-16 11:26:49 +02:00
sysctl.c
proc: proc_skip_spaces() shouldn't think it is working on C strings
2023-11-17 08:41:50 +09:00
task_work.c
locking/barriers: Convert users of lockless_dereference() to READ_ONCE()
2017-12-17 13:57:15 +01:00
taskstats.c
taskstats: fix data-race
2020-01-09 10:18:59 +01:00
test_kprobes.c
kprobes: Remove jprobe API implementation
2018-06-21 12:33:05 +02:00
torture.c
torture: Keep old-school dmesg format
2018-06-25 11:30:10 -07:00
tracepoint.c
tracepoint: Add tracepoint_probe_register_may_exist() for BPF tracing
2021-07-20 16:15:42 +02:00
tsacct.c
taskstats: Cleanup the use of task->exit_code
2022-02-23 11:58:39 +01:00
ucount.c
headers: untangle kmemleak.h from mm.h
2018-04-05 21:36:27 -07:00
uid16.c
fs: add do_fchownat(), ksys_fchown() helpers and ksys_{,l}chown() wrappers
2018-04-02 20:15:59 +02:00
uid16.h
kernel: provide ksys_*() wrappers for syscalls called by kernel/uid16.c
2018-04-02 20:15:30 +02:00
umh.c
usermodehelper: reset umask to default before executing user process
2020-10-14 10:31:21 +02:00
up.c
smp: Fix smp_call_function_single_async prototype
2021-05-22 10:59:39 +02:00
user_namespace.c
userns: also map extents in the reverse map to kernel IDs
2018-11-13 11:09:00 -08:00
user-return-notifier.c
…
user.c
ANDROID: proc: Add /proc/uid directory
2019-03-06 15:59:21 +00:00
utsname_sysctl.c
sys: don't hold uts_sem while accessing userspace memory
2018-08-11 02:05:53 -05:00
utsname.c
uts: create "struct uts_namespace" from kmem_cache
2018-04-11 10:28:35 -07:00
watchdog_hld.c
watchdog/perf: more properly prevent false positives with turbo modes
2023-11-23 16:03:19 +09:00
watchdog.c
watchdog: export lockup_detector_reconfigure
2023-11-17 08:40:54 +09:00
workqueue_internal.h
UPSTREAM: psi: fix aggregation idle shut-off
2019-03-21 16:25:27 -07:00
workqueue.c
workqueue: clean up WORK_* constant types, clarify masking
2023-11-23 16:11:24 +09:00