Oleg Nesterov 91530f675e fix race between exit_itimers() and /proc/pid/timers ... commit d5b36a4dbd upstream. As Chris explains, the comment above exit_itimers() is not correct, we can race with proc_timers_seq_ops. Change exit_itimers() to clear signal->posix_timers with ->siglock held. Cc: <stable@vger.kernel.org> Reported-by: chris@accessvector.net Signed-off-by: Oleg Nesterov <oleg@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		2022-07-21 21:19:59 +02:00
..
alarmtimer.c	kernel, fs: Introduce and use set_restart_fn() and arch_set_restart_data()	2021-03-25 09:04:16 +01:00
clockevents.c	tick: Remove outgoing CPU from broadcast masks	2019-03-23 18:26:43 +01:00
clocksource.c	clocksource: Avoid accidental unstable marking of clocksources	2022-01-27 10:54:06 +01:00
hrtimer.c	hrtimer: Ensure timerfd notification for HIGHRES=n	2021-09-15 09:50:25 +02:00
itimer.c	time: Prevent undefined behaviour in timespec64_to_ns()	2020-10-26 11:48:11 +01:00
jiffies.c	clocksource: Reduce clocksource-skew threshold	2022-01-27 10:54:05 +01:00
Kconfig	posix-cpu-timers: Provide mechanisms to defer timer handling to task_work	2020-08-06 16:50:59 +02:00
Makefile	ns: Introduce Time Namespace	2020-01-14 12:20:48 +01:00
namespace.c	nsproxy: support CLONE_NEWTIME with setns()	2020-07-08 11:14:22 +02:00
ntp_internal.h	ntp: Audit NTP parameters adjustment	2019-04-15 18:14:01 -04:00
ntp.c	ntp/y2038: Remove incorrect time_t truncation	2019-11-12 08:13:44 +01:00
posix-clock.c	posix-clocks: Rename the clock_get() callback to clock_get_timespec()	2020-01-14 12:20:49 +01:00
posix-cpu-timers.c	posix-cpu-timers: Clear task::posix_cputimers_work in copy_process()	2021-11-18 14:04:29 +01:00
posix-stubs.c	posix-timers: Make clock_nanosleep() time namespace aware	2020-01-14 12:20:55 +01:00
posix-timers.c	fix race between exit_itimers() and /proc/pid/timers	2022-07-21 21:19:59 +02:00
posix-timers.h	posix-clocks: Introduce clock_get_ktime() callback	2020-01-14 12:20:51 +01:00
sched_clock.c	time/sched_clock: Mark sched_clock_read_begin/retry() as notrace	2020-10-26 11:34:31 +01:00
test_udelay.c	time/debug: Remove license boilerplate	2018-11-23 11:51:21 +01:00
tick-broadcast-hrtimer.c	tick: broadcast-hrtimer: Fix a race in bc_set_next	2019-09-27 14:45:55 +02:00
tick-broadcast.c	treewide: Use fallthrough pseudo-keyword	2020-08-23 17:36:59 -05:00
tick-common.c	timekeeping: Split jiffies seqlock	2020-03-21 16:00:23 +01:00
tick-internal.h	hrtimer: Ensure timerfd notification for HIGHRES=n	2021-09-15 09:50:25 +02:00
tick-oneshot.c	hrtimers/tick/clockevents: Remove sloppy license references	2018-11-23 11:51:21 +01:00
tick-sched.c	tick/nohz: unexport __init-annotated tick_nohz_full_setup()	2022-07-02 16:39:23 +02:00
tick-sched.h	tick/sched: Update tick_sched struct documentation	2019-03-24 20:29:32 +01:00
time.c	y2038: remove unused time32 interfaces	2020-02-21 11:22:15 -08:00
timeconst.bc	time: Add SPDX license identifiers	2018-11-23 11:51:20 +01:00
timeconv.c	time: Add SPDX license identifiers	2018-11-23 11:51:20 +01:00
timecounter.c	time: Remove license boilerplate	2018-11-23 11:51:21 +01:00
timekeeping_debug.c	timekeeping/debug: No need to check return value of debugfs_create functions	2019-01-29 20:08:41 +01:00
timekeeping_internal.h	timekeeping/vsyscall: Provide vdso_update_begin/end()	2020-08-06 10:57:30 +02:00
timekeeping.c	timekeeping: Add raw clock fallback for random_get_entropy()	2022-05-30 09:33:41 +02:00
timekeeping.h	timekeeping: Split jiffies seqlock	2020-03-21 16:00:23 +01:00
timer_list.c	timer_list: Guard procfs specific code	2019-06-23 00:08:52 +02:00
timer.c	timers: Fix warning condition in __run_timers()	2022-04-20 09:23:30 +02:00
vsyscall.c	timekeeping/vsyscall: Provide vdso_update_begin/end()	2020-08-06 10:57:30 +02:00