Date: Thu, 25 Sep 2014 02:26:47 +0000 From: bugzilla-noreply@freebsd.org To: freebsd-bugs@FreeBSD.org Subject: [Bug 193681] kernel panic: dhclient NULL pointer in ether_output_frame() when using dummynet at layer2 Message-ID: <bug-193681-8-xT9Ixf83v4@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-193681-8@https.bugs.freebsd.org/bugzilla/> References: <bug-193681-8@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=193681 --- Comment #8 from commit-hook@freebsd.org --- A commit references this bug: Author: sbruno Date: Thu Sep 25 02:26:06 UTC 2014 New revision: 272089 URL: http://svnweb.freebsd.org/changeset/base/272089 Log: Fix NULL pointer deref in ipfw when using dummynet at layer 2. Drop packet if pkg->ifp is NULL, which is the case here. ref. https://github.com/HardenedBSD/hardenedBSD commit 4eef3881c64f6e3aa38eebbeaf27a947a5d47dd7 PR 193861 -- DUMMYNET LAYER2: kernel panic in this case a kernel panic occurs. Hence, when we do not get an interface, we just drop the packet in question. PR: 193681 Submitted by: David Carlier <david.carlier@hardenedbsd.org> Obtained from: Hardened BSD MFC after: 2 weeks Relnotes: yes Changes: head/sys/netpfil/ipfw/ip_dn_io.c -- You are receiving this mail because: You are the assignee for the bug.
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