]> git.kernelconcepts.de Git - karo-tx-linux.git/commit
net: guard tcp_set_keepalive() to tcp sockets
authorEric Dumazet <edumazet@google.com>
Mon, 24 Sep 2012 07:00:11 +0000 (07:00 +0000)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 12 Oct 2012 20:38:44 +0000 (05:38 +0900)
commit09c6cf7f980f1e8dbf58dc9ae0ebf4f6eb93cc0d
treef50557960f49a3f54e4e1df40a0364ce637d08df
parent6b8fc5c4eba92b5cd3c9ca0d926e99831604f81e
net: guard tcp_set_keepalive() to tcp sockets

[ Upstream commit 3e10986d1d698140747fcfc2761ec9cb64c1d582 ]

Its possible to use RAW sockets to get a crash in
tcp_set_keepalive() / sk_reset_timer()

Fix is to make sure socket is a SOCK_STREAM one.

Reported-by: Dave Jones <davej@redhat.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
net/core/sock.c