Searched hist:a0a69a0106dab8d20596f97f6674bed3b394d1ee (Results 1 – 1 of 1) sorted by relevance
/linux/net/ipv4/ |
H A D | tcp.c | diff a0a69a0106dab8d20596f97f6674bed3b394d1ee Fri Apr 17 11:34:38 CEST 2009 Herbert Xu <herbert@gondor.apana.org.au> gro: Fix use after free in tcp_gro_receive
After calling skb_gro_receive skb->len can no longer be relied on since if the skb was merged using frags, then its pages will have been removed and the length reduced.
This caused tcp_gro_receive to prematurely end merging which resulted in suboptimal performance with ixgbe.
The fix is to store skb->len on the stack.
Reported-by: Mark Wagner <mwagner@redhat.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
|