Wen Yang 627b771be7 timekeeping: Prevent 32bit truncation in scale64_check_overflow() ...

[ Upstream commit 4cbbc3a0eeed675449b1a4d080008927121f3da3 ]

While unlikely the divisor in scale64_check_overflow() could be >= 32bit in
scale64_check_overflow(). do_div() truncates the divisor to 32bit at least
on 32bit platforms.

Use div64_u64() instead to avoid the truncation to 32-bit.

[ tglx: Massaged changelog ]

Signed-off-by: Wen Yang <wenyang@linux.alibaba.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/20200120100523.45656-1-wenyang@linux.alibaba.com
Signed-off-by: Sasha Levin <sashal@kernel.org>

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

..

alarmtimer.c

alarmtimer: Unregister wakeup source when module get fails

2020-02-11 04:33:59 -08:00

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

hrtimer: Annotate lockless access to timer->state

2020-01-04 19:13:32 +01:00

itimer.c

pid: Implement PIDTYPE_TGID

2018-07-21 10:43:12 -05:00

jiffies.c

jiffies: Revert bogus conversion of NSEC_PER_SEC to TICK_NSEC

2017-03-07 11:03:28 +01:00

Kconfig

sched/isolation: Eliminate NO_HZ_FULL_ALL

2018-02-15 15:40:37 -08:00

Makefile

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

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

posix-cpu-timers: Sanitize bogus WARNONS

2019-10-05 13:09:47 +02:00

posix-stubs.c

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

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

posix-timers.c

posix-timers: Fix division by zero bug

2018-12-29 13:37:56 +01:00

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

time: Avoid timespec in udelay_test

2016-06-20 12:47:26 -07:00

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/broadcast: Use for_each_cpu() specially on UP kernels

2018-05-15 22:45:54 +02:00

tick-common.c

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

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

tick-internal.h

Revert: Unify CLOCK_MONOTONIC and CLOCK_BOOTTIME

2018-04-26 14:53:32 +02:00

tick-oneshot.c

clockevents: Fix kernel messages split across multiple lines

2018-04-17 17:18:04 +02:00

tick-sched.c

tick/sched: Annotate lockless access to last_jiffies_update

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

tick-sched.h

nohz: Gather tick_sched booleans under a common flag field

2018-04-09 11:54:57 +02:00

time.c

y2038: make do_gettimeofday() and get_seconds() inline

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

timeconst.bc

time: Introduce jiffies64_to_nsecs()

2017-02-01 09:13:45 +01:00

timeconv.c

time: Add time64_to_tm()

2016-06-20 12:47:15 -07:00

timecounter.c

clocksource: Use a plain u64 instead of cycle_t

2016-12-25 11:04:12 +01:00

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: update the net random state on interrupt and activity

2020-08-07 09:36:20 +02:00