Messages in this thread | | | Date | Wed, 7 Jan 2015 10:28:45 -0800 | From | Greg KH <> | Subject | Re: [PATCH 1/2] time: settimeofday: Validate the values of tv from user |
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On Wed, Jan 07, 2015 at 10:12:19AM -0800, John Stultz wrote: > From: Sasha Levin <sasha.levin@oracle.com> > > 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> > Cc: Andy Lutomirski <luto@amacapital.net> > 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> > --- > include/linux/time.h | 13 +++++++++++++ > kernel/time/time.c | 4 ++++ > 2 files changed, 17 insertions(+)
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This is not the correct way to submit patches for inclusion in the stable kernel tree. Please read Documentation/stable_kernel_rules.txt for how to do this properly.
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