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Added check for negative seconds value. Found by syscall() fuzzing.

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MFC after:	1 week
This commit is contained in:
Peter Holm 2011-11-18 19:14:42 +00:00
parent 1a1f41b8fe
commit 7bbcd22d38
1 changed files with 2 additions and 1 deletions
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3
sys/kern/kern_thr.c
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@ -474,7 +474,8 @@ kern_thr_suspend(struct thread *td, struct timespec *tsp)
}
if (tsp != NULL) {
if (tsp->tv_nsec < 0 || tsp->tv_nsec > 1000000000)
if (tsp->tv_sec < 0 || tsp->tv_nsec < 0 ||
tsp->tv_nsec > 1000000000)
return (EINVAL);
if (tsp->tv_sec == 0 && tsp->tv_nsec == 0)
error = EWOULDBLOCK;