Date: Fri, 11 Jan 2019 01:55:04 +0000 From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 234207] VRRP packets generate "ipfw: pullup failed" Message-ID: <bug-234207-7501-i7WHueYCPU@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-234207-7501@https.bugs.freebsd.org/bugzilla/> References: <bug-234207-7501@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D234207 --- Comment #4 from commit-hook@freebsd.org --- A commit references this bug: Author: ae Date: Fri Jan 11 01:54:15 UTC 2019 New revision: 342925 URL: https://svnweb.freebsd.org/changeset/base/342925 Log: Relax requirement to packet size of CARP protocol and remove version chec= k. CARP shares protocol number 112 with VRRP (RFC 5798). And the size of VRRP packet may be smaller than CARP. ipfw_chk() does m_pullup() to at least sizeof(struct carp_header) and can fail when packet is VRRP. This leads to packet drop and message about failed pullup attempt. Also, RFC 5798 defines version 3 of VRRP protocol, this version number also unsupported by CARP and such check leads to packet drop. carp_input() does its own checks for protocol version and packet size, so we can remove these checks to be able pass VRRP packets. PR: 234207 MFC after: 1 week Changes: head/sys/netpfil/ipfw/ip_fw2.c --=20 You are receiving this mail because: You are the assignee for the bug.=
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