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(parent: 4062090) | patch
openvswitch: fix a use after free
authorLi RongQing <roy.qing.li@gmail.com>
Fri, 17 Oct 2014 06:03:08 +0000 (14:03 +0800)
committerDavid S. Miller <davem@davemloft.net>
Fri, 17 Oct 2014 20:21:53 +0000 (16:21 -0400)
commit389f48947a5a37ea283de520abb742d42174edb0
treeb49a5aed5e318b3be08c23025889522b9db48602tree
parent4062090e3e5caaf55bed4523a69f26c3265cc1d2commit | diff
openvswitch: fix a use after free

pskb_may_pull() called by arphdr_ok can change skb->data, so put the arp
setting after arphdr_ok to avoid the use the freed memory

Fixes: 0714812134d7d ("openvswitch: Eliminate memset() from flow_extract.")
Cc: Jesse Gross <jesse@nicira.com>
Cc: Eric Dumazet <edumazet@google.com>
Signed-off-by: Li RongQing <roy.qing.li@gmail.com>
Acked-by: Jesse Gross <jesse@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/openvswitch/flow.c diff | blob | history
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