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(parent: a7f7811) | patch
ipv6: lock socket in ip6_datagram_connect()
authorEric Dumazet <edumazet@google.com>
Tue, 14 Jul 2015 06:10:22 +0000 (08:10 +0200)
committerDavid S. Miller <davem@davemloft.net>
Thu, 16 Jul 2015 00:25:51 +0000 (17:25 -0700)
commita6539f0d6e03faa141a6a18a11b0dcf43e9f9eed
tree8a370b57010d040b59fd7e17ba90d1d8ed1c7650tree | snapshot
parenta7f7811d746dc1d8f1d366e5acb5b841b1ee1232commit | diff
ipv6: lock socket in ip6_datagram_connect()

ip6_datagram_connect() is doing a lot of socket changes without
socket being locked.

This looks wrong, at least for udp_lib_rehash() which could corrupt
lists because of concurrent udp_sk(sk)->udp_portaddr_hash accesses.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
include/net/ip.h diff | blob | history
net/ipv4/datagram.c diff | blob | history
net/ipv6/datagram.c diff | blob | history
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