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authorAlexander Bluhm <bluhm@cvs.openbsd.org>2017-12-29 23:55:23 +0000
committerAlexander Bluhm <bluhm@cvs.openbsd.org>2017-12-29 23:55:23 +0000
commit63391c8a5db16675a09e2b85adb79f92a443bdd2 (patch)
tree9c18302cfa15bef8328b9e49142efaa12471f444 /sys/kern
parent732ec12e1176c775f5378c4f03fdc88e8473bf3e (diff)
Make sure that pf_mbuf_link_state_key() does not overwrite an
existing statekey in the mbuf header. Reset the statekey in m_dup_pkthdr(). suggested by and OK sahan@
Diffstat (limited to 'sys/kern')
-rw-r--r--sys/kern/uipc_mbuf.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/kern/uipc_mbuf.c b/sys/kern/uipc_mbuf.c
index bd89446fa98..24c9b5e21a6 100644
--- a/sys/kern/uipc_mbuf.c
+++ b/sys/kern/uipc_mbuf.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: uipc_mbuf.c,v 1.251 2017/12/29 17:05:25 bluhm Exp $ */
+/* $OpenBSD: uipc_mbuf.c,v 1.252 2017/12/29 23:55:22 bluhm Exp $ */
/* $NetBSD: uipc_mbuf.c,v 1.15.4.1 1996/06/13 17:11:44 cgd Exp $ */
/*
@@ -1325,6 +1325,7 @@ m_dup_pkthdr(struct mbuf *to, struct mbuf *from, int wait)
to->m_pkthdr = from->m_pkthdr;
#if NPF > 0
+ to->m_pkthdr.pf.statekey = NULL;
pf_mbuf_link_state_key(to, from->m_pkthdr.pf.statekey);
#endif /* NPF > 0 */