[PATCH] hrtimer: validate timespec of do_sys_settimeofday
Check if the timespec which is provided from user space is normalized. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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@ -154,6 +154,9 @@ int do_sys_settimeofday(struct timespec *tv, struct timezone *tz)
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static int firsttime = 1;
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int error = 0;
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if (!timespec_valid(tv))
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return -EINVAL;
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error = security_settime(tv, tz);
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if (error)
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return error;
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