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(parent: 39dad26) | patch
[SNAP]: Check packet length before reading
authorHerbert Xu <herbert@gondor.apana.org.au>
Tue, 21 Aug 2007 07:06:37 +0000 (00:06 -0700)
committerDavid S. Miller <davem@sunset.davemloft.net>
Wed, 22 Aug 2007 03:58:13 +0000 (20:58 -0700)
commitd92a7db710c32db826a00ba9bc7a22e741d5041e
tree800eeede84fea9ab9397b7a1a326629cf3c45bc8tree | snapshot (tar.gz zip)
parent39dad26c37fdb1382e4173172a2704fa278f7fd6commit | diff
[SNAP]: Check packet length before reading

The snap_rcv code reads 5 bytes so we should make sure that
we have 5 bytes in the head before proceeding.

Based on diagnosis and fix by Evgeniy Polyakov, reported by
Alan J. Wylie.

Patch also kills the skb->sk assignment before kfree_skb
since it's redundant.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/802/psnap.c diff | blob | blame | history