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| author |   Sasha Levin <sasha.levin@oracle.com> | 2014-12-03 19:22:48 -0500 |
|---|---|---|
| committer |   John Stultz <john.stultz@linaro.org> | 2015-01-07 09:49:14 -0800 |
| commit | 6ada1fc0e1c4775de0e043e1bd3ae9d065491aa5 (patch) | |
| tree | b6a02726aa5f93ccb61e7161c7705590424f7830 /kernel/time/ntp.c | |
| parent | Linux 3.18 (diff) | |
| download | linux-dev-6ada1fc0e1c4775de0e043e1bd3ae9d065491aa5.tar.xz linux-dev-6ada1fc0e1c4775de0e043e1bd3ae9d065491aa5.zip | |
time: settimeofday: Validate the values of tv from user
An unvalidated user input is multiplied by a constant, which can result in
an undefined behaviour for large values. While this is validated later,
we should avoid triggering undefined behaviour.
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
[jstultz: include trivial milisecond->microsecond correction noticed
by Andy]
Signed-off-by: John Stultz <john.stultz@linaro.org>
Diffstat (limited to 'kernel/time/ntp.c')
0 files changed, 0 insertions, 0 deletions