Author: pho
Date: Fri Nov 18 19:14:42 2011
New Revision: 227674
URL: http://svn.freebsd.org/changeset/base/227674
Log:
Added check for negative seconds value. Found by syscall() fuzzing.
MFC after: 1 week
Modified:
head/sys/kern/kern_thr.c
Modified: head/sys/kern/kern_thr.c
==============================================================================
--- head/sys/kern/kern_thr.c Fri Nov 18 19:12:12 2011 (r227673)
+++ head/sys/kern/kern_thr.c Fri Nov 18 19:14:42 2011 (r227674)
@@ -474,7 +474,8 @@ kern_thr_suspend(struct thread *td, stru
}
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;
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