net: fix a race in sock_queue_err_skb()
authorEric Dumazet <eric.dumazet@gmail.com>
Fri, 6 Apr 2012 08:49:10 +0000 (10:49 +0200)
committerDavid S. Miller <davem@davemloft.net>
Fri, 6 Apr 2012 09:07:21 +0000 (05:07 -0400)
commit110c43304db6f06490961529536c362d9ac5732f
tree5729bd4310cffaea7d0e4fbe3451d26e78271179
parent4a7e7c2ad540e54c75489a70137bf0ec15d3a127
net: fix a race in sock_queue_err_skb()

As soon as an skb is queued into socket error queue, another thread
can consume it, so we are not allowed to reference skb anymore, or risk
use after free.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/core/skbuff.c