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authorYOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>2008-05-29 19:55:05 +0900
committerYOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>2008-06-05 04:02:30 +0900
commite51171019bb0e1f9fb57c25bd2e38ce652eaea27 (patch)
tree6adf7c9e23c54de5a2b361c8e59d692a29e7541e /net/sctp/ipv6.c
parent7dccf1f4e1696c79bff064c3770867cc53cbc71c (diff)
[SCTP]: Fix NULL dereference of asoc.
Commit 7cbca67c073263c179f605bdbbdc565ab29d801d ("[IPV6]: Support Source Address Selection API (RFC5014)") introduced NULL dereference of asoc to sctp_v6_get_saddr in net/sctp/ipv6.c. Pointed out by Johann Felix Soden <johfel@users.sourceforge.net>. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Diffstat (limited to 'net/sctp/ipv6.c')
-rw-r--r--net/sctp/ipv6.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c
index e45e44c6063..e4aac3266fc 100644
--- a/net/sctp/ipv6.c
+++ b/net/sctp/ipv6.c
@@ -299,7 +299,8 @@ static inline int sctp_v6_addr_match_len(union sctp_addr *s1,
/* Fills in the source address(saddr) based on the destination address(daddr)
* and asoc's bind address list.
*/
-static void sctp_v6_get_saddr(struct sctp_association *asoc,
+static void sctp_v6_get_saddr(struct sctp_sock *sk,
+ struct sctp_association *asoc,
struct dst_entry *dst,
union sctp_addr *daddr,
union sctp_addr *saddr)
@@ -318,7 +319,7 @@ static void sctp_v6_get_saddr(struct sctp_association *asoc,
if (!asoc) {
ipv6_dev_get_saddr(dst ? ip6_dst_idev(dst)->dev : NULL,
&daddr->v6.sin6_addr,
- inet6_sk(asoc->base.sk)->srcprefs,
+ inet6_sk(&sk->inet.sk)->srcprefs,
&saddr->v6.sin6_addr);
SCTP_DEBUG_PRINTK("saddr from ipv6_get_saddr: " NIP6_FMT "\n",
NIP6(saddr->v6.sin6_addr));