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authorMichael Scherer <misc@redhat.com>2017-09-08 18:45:12 +0200
committerRaghavendra G <rgowdapp@redhat.com>2017-09-15 08:28:37 +0000
commite9acd3130374ce5d512b784310a729734e6655a5 (patch)
tree63433565cdeea9c48d84931c39118dbdca26db63 /rpc
parent777ad8f6a17d11e4582cf11d332a1a4d4c0c706f (diff)
Fix use-after-free in gf_rdma_do_reads
If iobref_new can't allocate a ref, we free the iobuf, and then go to the cleanup part of the function, that will run iobuf_unref a 2nd time, which trigger a warning with coverity. Change-Id: Ie9cf7a5d5f98244a390e44e1403c614199eb650c BUG: 789278 Signed-off-by: Michael Scherer <misc@redhat.com> Reviewed-on: https://review.gluster.org/18245 Smoke: Gluster Build System <jenkins@build.gluster.org> Tested-by: Raghavendra G <rgowdapp@redhat.com> Reviewed-by: Raghavendra G <rgowdapp@redhat.com> CentOS-regression: Gluster Build System <jenkins@build.gluster.org>
Diffstat (limited to 'rpc')
-rw-r--r--rpc/rpc-transport/rdma/src/rdma.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/rpc/rpc-transport/rdma/src/rdma.c b/rpc/rpc-transport/rdma/src/rdma.c
index 26bcce4fd99..4b3b12aae5a 100644
--- a/rpc/rpc-transport/rdma/src/rdma.c
+++ b/rpc/rpc-transport/rdma/src/rdma.c
@@ -3652,6 +3652,7 @@ gf_rdma_do_reads (gf_rdma_peer_t *peer, gf_rdma_post_t *post,
post->ctx.iobref = iobref_new ();
if (post->ctx.iobref == NULL) {
iobuf_unref (iobuf);
+ iobuf = NULL;
goto out;
}
}