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PR/43185 CVS commit: [netbsd-5-0] src/sys/net

The following reply was made to PR kern/43185; it has been noted by GNATS.

From: "Manuel Bouyer" <>
Subject: PR/43185 CVS commit: [netbsd-5-0] src/sys/net
Date: Tue, 22 Mar 2011 20:02:37 +0000

 Module Name:   src
 Committed By:  bouyer
 Date:          Tue Mar 22 20:02:36 UTC 2011
 Modified Files:
        src/sys/net [netbsd-5-0]: bpf_filter.c
 Log Message:
 Pull up following revision(s) (requested by spz in ticket #1571):
        sys/net/bpf_filter.c: revision 1.36, 1.42 -> 1.46 via patch
 Avoid stack memory disclosure by keeping track during filter validation time
 of initialized memory. Idea taken from linux.
 Use kmem instead of malloc. Requested by rmind.
 Fix userland build.
 the correct check for BPF_K is with BPF_SRC for BPF_ALU ops, from
 Guy Harris per PR kern/43185
 fixes possible division-by-zero crashes by evil filter expressions
 like "len / 0 = 1"
 pullup candidate
 To generate a diff of this commit:
 cvs rdiff -u -r1.35 -r1.35.10.1 src/sys/net/bpf_filter.c
 Please note that diffs are not public domain; they are subject to the
 copyright notices on the relevant files.

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