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One of the compat32 functions was copying in a raw timespec, instead of

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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
This commit is contained in:
mdf 2010-12-15 19:30:44 +00:00
parent dd13f4b76e
commit 60b768f654
1 changed files with 1 additions and 2 deletions
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3
sys/kern/kern_umtx.c
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@ -3411,8 +3411,7 @@ __umtx_op_rw_rdlock_compat32(struct thread *td, struct _umtx_op_args *uap)
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 ||