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(parent: b98ac70) | patch
udp: Fix UDP short packet false positive
authorJesper Dangaard Brouer <hawk@comx.dk>
Thu, 5 Feb 2009 23:05:45 +0000 (15:05 -0800)
committerDavid S. Miller <davem@davemloft.net>
Thu, 5 Feb 2009 23:05:45 +0000 (15:05 -0800)
commit7b5e56f9d635643ad54f2f42e69ad16b80a2cff1
treef0e3d35d01047375ea2eef5f8c99d9b96bc919abtree | snapshot (tar.gz zip)
parentb98ac702f49042ab0c382b839465b95a2bd0cd65commit | diff
udp: Fix UDP short packet false positive

The UDP header pointer assignment must happen after calling
pskb_may_pull().  As pskb_may_pull() can potentially alter the SKB
buffer.

This was exposted by running multicast traffic through the NIU driver,
as it won't prepull the protocol headers into the linear area on
receive.

Signed-off-by: Jesper Dangaard Brouer <hawk@comx.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/ipv4/udp.c diff | blob | blame | history
kernel source for telekom puls (alcatel/mediatek)