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(parent: d171652) | patch
netfilter: ebtables: abort if next_offset is too small
authorFlorian Westphal <fwestphal@astaro.com>
Mon, 15 Feb 2010 17:15:55 +0000 (18:15 +0100)
committerPatrick McHardy <kaber@trash.net>
Mon, 15 Feb 2010 17:15:55 +0000 (18:15 +0100)
commitcbee668c54e2cc736d7eac80a940023f1a5925ae
tree5cf74c0b735e6bcaa9b6dbded3ed91f43aaf6072tree | snapshot
parentd171652cfe708f43871618b0d3aa978d48e7b0e6commit | diff
netfilter: ebtables: abort if next_offset is too small

next_offset must be > 0, otherwise this loops forever.
The offset also contains the size of the ebt_entry structure
itself, so anything smaller is invalid.

Signed-off-by: Florian Westphal <fwestphal@astaro.com>
Signed-off-by: Patrick McHardy <kaber@trash.net>
net/bridge/netfilter/ebtables.c diff | blob | history
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