Chen Jun 1a852780d9 posix-timers: Preserve return value in clock_adjtime32() ...

commit 2d036dfa5f upstream.

The return value on success (>= 0) is overwritten by the return value of
put_old_timex32(). That works correct in the fault case, but is wrong for
the success case where put_old_timex32() returns 0.

Just check the return value of put_old_timex32() and return -EFAULT in case
it is not zero.

[ tglx: Massage changelog ]

Fixes: 3a4d44b616 ("ntp: Move adjtimex related compat syscalls to native counterparts")
Signed-off-by: Chen Jun <chenjun102@huawei.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Richard Cochran <richardcochran@gmail.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20210414030449.90692-1-chenjun102@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2021-05-22 10:59:21 +02:00

..

alarmtimer.c

kernel, fs: Introduce and use set_restart_fn() and arch_set_restart_data()

2021-03-24 11:07:37 +01:00

clockevents.c

clockevents: Warn if cpu_all_mask is used as cpumask

2018-08-02 14:55:53 +02:00

clocksource.c

clocksource: Prevent double add_timer_on() for watchdog_timer

2020-02-11 04:34:18 -08:00

hrtimer.c

kernel, fs: Introduce and use set_restart_fn() and arch_set_restart_data()

2021-03-24 11:07:37 +01:00

itimer.c

time: Prevent undefined behaviour in timespec64_to_ns()

2020-11-18 19:18:40 +01:00

jiffies.c

…

Kconfig

…

Makefile

…

ntp_internal.h

timekeeping/ntp: Constify some function arguments

2018-07-19 17:08:05 -07:00

ntp.c

ntp: Limit TAI-UTC offset

2019-07-26 09:14:10 +02:00

posix-clock.c

ptp: fix the race between the release of ptp_clock and cdev

2020-01-04 19:13:35 +01:00

posix-cpu-timers.c

kernel, fs: Introduce and use set_restart_fn() and arch_set_restart_data()

2021-03-24 11:07:37 +01:00

posix-stubs.c

posix-timers: Use new ktime_get_*_ts64() helpers

2018-06-19 09:56:27 +02:00

posix-timers.c

posix-timers: Preserve return value in clock_adjtime32()

2021-05-22 10:59:21 +02:00

posix-timers.h

posix-timers: Make forward callback return s64

2018-07-02 11:33:25 +02:00

sched_clock.c

timers/sched_clock: Prevent generic sched_clock wrap caused by tick_freeze()

2019-04-27 09:36:38 +02:00

test_udelay.c

…

tick-broadcast-hrtimer.c

tick: broadcast-hrtimer: Fix a race in bc_set_next

2019-10-11 18:21:28 +02:00

tick-broadcast.c

…

tick-common.c

tick/common: Touch watchdog in tick_unfreeze() on all CPUs

2020-11-18 19:18:46 +01:00

tick-internal.h

…

tick-oneshot.c

…

tick-sched.c

tick/sched: Annotate lockless access to last_jiffies_update

2020-01-23 08:21:37 +01:00

tick-sched.h

…

time.c

y2038: make do_gettimeofday() and get_seconds() inline

2019-11-20 18:45:24 +01:00

timeconst.bc

…

timeconv.c

…

timecounter.c

…

timekeeping_debug.c

timekeeping/ntp: Constify some function arguments

2018-07-19 17:08:05 -07:00

timekeeping_internal.h

timekeeping/ntp: Constify some function arguments

2018-07-19 17:08:05 -07:00

timekeeping.c

timekeeping: Prevent 32bit truncation in scale64_check_overflow()

2020-10-01 13:14:36 +02:00

timekeeping.h

timers/sched_clock: Prevent generic sched_clock wrap caused by tick_freeze()

2019-04-27 09:36:38 +02:00

timer_list.c

timer_list: Guard procfs specific code

2019-07-26 09:14:10 +02:00

timer.c

random32: make prandom_u32() output unpredictable

2020-11-18 19:18:52 +01:00