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authorMarcelo Ricardo Leitner <marcelo.leitner@gmail.com>2016-07-07 15:39:29 +0300
committerDavid S. Miller <davem@davemloft.net>2016-07-09 07:08:21 +0300
commitf1533cce60d1f84378c1dd925f9ef1038fa93507 (patch)
tree51a8e7832f2f0c851b7a592ef5e1215c86d163a3 /net/bridge
parent09a7636a5b151670072de60767ddf096dc7bd12e (diff)
downloadlinux-f1533cce60d1f84378c1dd925f9ef1038fa93507.tar.xz
sctp: fix panic when sending auth chunks
When we introduced GSO support, if using auth the auth chunk was being left queued on the packet even after the final segment was generated. Later on sctp_transmit_packet it calls sctp_packet_reset, which zeroed the packet len while not accounting for this left-over. This caused more space to be used the next packet due to the chunk still being queued, but space which wasn't allocated as its size wasn't accounted. The fix is to only queue it back when we know that we are going to generate another segment. Fixes: 90017accff61 ("sctp: Add GSO support") Signed-off-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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