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pf_test() can set *mp to NULL, check for this before de-referencing it. 

From Akihiro Sagawa in PR/30835.
This commit is contained in:
peter 2005-07-26 13:09:23 +00:00
parent 946832fd33
commit 84fa01a154
1 changed files with 2 additions and 2 deletions
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4
sys/dist/pf/net/pf_ioctl.c vendored
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@ -1,4 +1,4 @@
/* $NetBSD: pf_ioctl.c,v 1.17 2005/07/01 12:37:35 peter Exp $ */
/* $NetBSD: pf_ioctl.c,v 1.18 2005/07/26 13:09:23 peter Exp $ */
/* $OpenBSD: pf_ioctl.c,v 1.139 2005/03/03 07:13:39 dhartmei Exp $ */
/*
@ -2995,7 +2995,7 @@ pfil4_wrapper(void *arg, struct mbuf **mp, struct ifnet *ifp, int dir)
* we're not compatible with fast-forward.
*/
if (dir == PFIL_IN) {
if (dir == PFIL_IN && *mp) {
(*mp)->m_flags &= ~M_CANFASTFWD;
}