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authorNavid Emamdoost <navid.emamdoost@gmail.com>2019-11-23 01:17:56 +0300
committerJakub Kicinski <jakub.kicinski@netronome.com>2019-11-24 05:20:17 +0300
commitb6631c6031c746ed004c4221ec0616d7a520f441 (patch)
tree2d1531f02d3b7de5aeca623fda9b3c8795095313 /net/sctp/sm_statefuns.c
parent34c36f4564b8a3339db3ce832a5aaf1871185685 (diff)
downloadlinux-b6631c6031c746ed004c4221ec0616d7a520f441.tar.xz
sctp: Fix memory leak in sctp_sf_do_5_2_4_dupcook
In the implementation of sctp_sf_do_5_2_4_dupcook() the allocated new_asoc is leaked if security_sctp_assoc_request() fails. Release it via sctp_association_free(). Fixes: 2277c7cd75e3 ("sctp: Add LSM hooks") Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com> Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com> Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Diffstat (limited to 'net/sctp/sm_statefuns.c')
-rw-r--r--net/sctp/sm_statefuns.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c
index 0c21c52fc408..4ab8208a2dd4 100644
--- a/net/sctp/sm_statefuns.c
+++ b/net/sctp/sm_statefuns.c
@@ -2160,8 +2160,10 @@ enum sctp_disposition sctp_sf_do_5_2_4_dupcook(
/* Update socket peer label if first association. */
if (security_sctp_assoc_request((struct sctp_endpoint *)ep,
- chunk->skb))
+ chunk->skb)) {
+ sctp_association_free(new_asoc);
return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
+ }
/* Set temp so that it won't be added into hashtable */
new_asoc->temp = 1;