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authorEric Dumazet <edumazet@google.com>2012-08-10 02:22:47 +0000
committerDavid S. Miller <davem@davemloft.net>2012-08-10 14:08:57 -0700
commitb5ec8eeac46a99004c26791f70b15d001e970acf (patch)
tree8609d6c3e5e9504e6f084828b9b0f8a9084652e3 /net/ipv4/udp.c
parent63d02d157ec4124990258d66517b6c11fd6df0cf (diff)
ipv4: fix ip_send_skb()
ip_send_skb() can send orphaned skb, so we must pass the net pointer to avoid possible NULL dereference in error path. Bug added by commit 3a7c384ffd57 (ipv4: tcp: unicast_sock should not land outside of TCP stack) Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/udp.c')
-rw-r--r--net/ipv4/udp.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index b4c3582a991f..6f6d1aca3c3d 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -758,7 +758,7 @@ static int udp_send_skb(struct sk_buff *skb, struct flowi4 *fl4)
uh->check = CSUM_MANGLED_0;
send:
- err = ip_send_skb(skb);
+ err = ip_send_skb(sock_net(sk), skb);
if (err) {
if (err == -ENOBUFS && !inet->recverr) {
UDP_INC_STATS_USER(sock_net(sk),