Author: mdf
Date: Wed Dec 15 19:30:44 2010
New Revision: 216463
URL: http://svn.freebsd.org/changeset/base/216463
Log:
One of the compat32 functions was copying in a raw timespec, instead of
a 32-bit one. This can cause weird timeout issues, as the copying reads
garbage from the user.
Code by: Deepak Veliath <deepak dot veliath at isilon dot com>
MFC after: 1 week
Modified:
head/sys/kern/kern_umtx.c
Modified: head/sys/kern/kern_umtx.c
==============================================================================
--- head/sys/kern/kern_umtx.c Wed Dec 15 16:49:47 2010 (r216462)
+++ head/sys/kern/kern_umtx.c Wed Dec 15 19:30:44 2010 (r216463)
@@ -3411,8 +3411,7 @@ __umtx_op_rw_rdlock_compat32(struct thre
if (uap->uaddr2 == NULL) {
error = do_rw_rdlock(td, uap->obj, uap->val, 0);
} else {
- error = copyin(uap->uaddr2, &timeout,
- sizeof(timeout));
+ error = copyin_timeout32(uap->uaddr2, &timeout);
if (error != 0)
return (error);
if (timeout.tv_nsec >= 1000000000 ||
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