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authorHerbert Xu <[email protected]>2007-02-05 07:33:10 +0000
committerDavid S. Miller <[email protected]>2007-02-08 20:38:47 +0000
commitffbc61117d32dc4e768f999325ecfb2528d6b303 (patch)
treef59a235c4eb22ac5ad9ede80f814f5d6ab1e6641 /net/ipv4/tcp_input.c
parent[PACKET]: Add optional checksum computation for recvmsg (diff)
downloadkernel-ffbc61117d32dc4e768f999325ecfb2528d6b303.tar.gz
kernel-ffbc61117d32dc4e768f999325ecfb2528d6b303.zip
[PACKET]: Fix skb->cb clobbering between aux and sockaddr
Both aux data and sockaddr tries to use the same buffer which obviously doesn't work. We just happen to have 4 bytes free in the skb->cb if you take away the maximum length of sockaddr_ll. That's just enough to store the one piece of info from aux data that we can't generate at recvmsg(2) time. This is what the following patch does. Signed-off-by: Herbert Xu <[email protected]> Signed-off-by: David S. Miller <[email protected]>
Diffstat (limited to 'net/ipv4/tcp_input.c')
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