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| author |   blambert <blambert@openbsd.org> | 2011-05-20 16:06:25 +0000 |
|---|---|---|
| committer | blambert <blambert@openbsd.org> | 2011-05-20 16:06:25 +0000 |
| commit | 5187f3f0de4f76ca4142b380ff6580df02b1ae58 (patch) | |
| tree | 3ecafd01651837090a2eda8d3d6dc03c15e807fd | |
| parent | fix copy and paste in BIOCINSTALLBOOT ioctl number. (diff) | |
| download | wireguard-openbsd-5187f3f0de4f76ca4142b380ff6580df02b1ae58.tar.xz wireguard-openbsd-5187f3f0de4f76ca4142b380ff6580df02b1ae58.zip | |
Avoid panic'ing on a bad pointer passed in by callers of msgsnd;
uiomove() will do the right thing in that case.
"This fix is right" kettenis@
| -rw-r--r-- | sys/kern/sysv_msg.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/sys/kern/sysv_msg.c b/sys/kern/sysv_msg.c index cccdfeddc0d..a2d0da4f89c 100644 --- a/sys/kern/sysv_msg.c +++ b/sys/kern/sysv_msg.c @@ -1,4 +1,4 @@ -/* $OpenBSD: sysv_msg.c,v 1.23 2010/01/14 23:12:11 schwarze Exp $ */ +/* $OpenBSD: sysv_msg.c,v 1.24 2011/05/20 16:06:25 blambert Exp $ */ /* $NetBSD: sysv_msg.c,v 1.19 1996/02/09 19:00:18 christos Exp $ */ /* * Copyright (c) 2009 Bret S. Lambert <blambert@openbsd.org> @@ -251,9 +251,6 @@ sys_msgsnd(struct proc *p, void *v, register_t *retval) size_t msgsz = SCARG(uap, msgsz); int error; - if (SCARG(uap, msgp) == NULL) - panic("NULL userbuffer"); - if ((que = que_lookup(SCARG(uap, msqid))) == NULL) return (EINVAL); |