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(parent: 9c8d21f) | patch
Validate scratch memory addresses for BPF_STX and BPF_LDX|BPF_MEM.
authorJung-uk Kim <jkim@FreeBSD.org>
Thu, 28 Aug 2008 17:49:37 +0000 (17:49 +0000)
committerJung-uk Kim <jkim@FreeBSD.org>
Thu, 28 Aug 2008 17:49:37 +0000 (17:49 +0000)
commit8cfdb2fb137b2f69ede8562da400d521671ce173
tree4a4e31d15107bcd56579eebdb26216562d583289tree | snapshot
parent9c8d21f901ab05c1ede272c5f17b0b836b06db2acommit | diff
Validate scratch memory addresses for BPF_STX and BPF_LDX|BPF_MEM.
A badly written filter was able to reference invalid addresses,
even cause kernel crash.

MFC after: 3 days
sys/net/bpf_filter.c diff | blob | history
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