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[PATCH] hrtimer: validate timespec of do_sys_settimeofday
author
Thomas Gleixner
<tglx@linutronix.de>
Tue, 10 Jan 2006 04:52:29 +0000
(20:52 -0800)
committer
Linus Torvalds
<torvalds@g5.osdl.org>
Tue, 10 Jan 2006 16:01:37 +0000
(08:01 -0800)
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>
kernel/time.c
patch
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diff --git
a/kernel/time.c
b/kernel/time.c
index
bbc8ca1
..
c689b53
100644
(file)
--- a/
kernel/time.c
+++ b/
kernel/time.c
@@
-154,6
+154,9
@@
int do_sys_settimeofday(struct timespec *tv, struct timezone *tz)
static int firsttime = 1;
int error = 0;
+ if (!timespec_valid(tv))
+ return -EINVAL;
+
error = security_settime(tv, tz);
if (error)
return error;