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(parent: bb83d62) | patch
l2tp: lock socket before checking flags in connect()
authorGuillaume Nault <g.nault@alphalink.fr>
Tue, 29 Nov 2016 12:09:44 +0000 (13:09 +0100)
committerDavid S. Miller <davem@davemloft.net>
Wed, 30 Nov 2016 19:14:07 +0000 (14:14 -0500)
commit0382a25af3c771a8e4d5e417d1834cbe28c2aaac
tree91d6b49fc8dab4cb02312da66d018a72975bd408tree | snapshot
parentbb83d62fa83405d7c325873a317c9374f98eedefcommit | diff
l2tp: lock socket before checking flags in connect()

Socket flags aren't updated atomically, so the socket must be locked
while reading the SOCK_ZAPPED flag.

This issue exists for both l2tp_ip and l2tp_ip6. For IPv6, this patch
also brings error handling for __ip6_datagram_connect() failures.

Signed-off-by: Guillaume Nault <g.nault@alphalink.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
include/net/ipv6.h diff | blob | history
net/ipv6/datagram.c diff | blob | history
net/l2tp/l2tp_ip.c diff | blob | history
net/l2tp/l2tp_ip6.c diff | blob | history
Domain: System / Kernel;