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authorMarcelo Ricardo Leitner <marcelo.leitner@gmail.com>2016-12-28 14:51:56 +0300
committerDavid S. Miller <davem@davemloft.net>2016-12-28 22:26:17 +0300
commitb77b7565a6d11611c3f179941d2b95c2d72939dc (patch)
treef104e2c7745e3a5034f85541ed791ba6587fe304 /net/sctp
parent3ea35d3406d31a7389c2a299e28168c52040843a (diff)
downloadlinux-b77b7565a6d11611c3f179941d2b95c2d72939dc.tar.xz
sctp: add pr_debug for tracking asocs not found
This pr_debug may help identify why the system is generating some Aborts. It's not something a sysadmin would be expected to use. Signed-off-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sctp')
-rw-r--r--net/sctp/input.c17
1 files changed, 15 insertions, 2 deletions
diff --git a/net/sctp/input.c b/net/sctp/input.c
index 458e506ef84b..704ad19c1565 100644
--- a/net/sctp/input.c
+++ b/net/sctp/input.c
@@ -1229,13 +1229,26 @@ static struct sctp_association *__sctp_rcv_lookup(struct net *net,
struct sctp_association *asoc;
asoc = __sctp_lookup_association(net, laddr, paddr, transportp);
+ if (asoc)
+ goto out;
/* Further lookup for INIT/INIT-ACK packets.
* SCTP Implementors Guide, 2.18 Handling of address
* parameters within the INIT or INIT-ACK.
*/
- if (!asoc)
- asoc = __sctp_rcv_lookup_harder(net, skb, laddr, transportp);
+ asoc = __sctp_rcv_lookup_harder(net, skb, laddr, transportp);
+ if (asoc)
+ goto out;
+ if (paddr->sa.sa_family == AF_INET)
+ pr_debug("sctp: asoc not found for src:%pI4:%d dst:%pI4:%d\n",
+ &laddr->v4.sin_addr, ntohs(laddr->v4.sin_port),
+ &paddr->v4.sin_addr, ntohs(paddr->v4.sin_port));
+ else
+ pr_debug("sctp: asoc not found for src:%pI6:%d dst:%pI6:%d\n",
+ &laddr->v6.sin6_addr, ntohs(laddr->v6.sin6_port),
+ &paddr->v6.sin6_addr, ntohs(paddr->v6.sin6_port));
+
+out:
return asoc;
}