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authorTomas Bortoli <tomasbortoli@gmail.com>2018-07-27 13:05:58 +0200
committerDominique Martinet <dominique.martinet@cea.fr>2018-08-13 09:34:58 +0900
commit10aa14527f458e9867cf3d2cc6b8cb0f6704448b (patch)
tree528cd65953fc42890ac1e51ff452d148133a2734 /net/9p/trans_rdma.c
parent3111784bee81591ea2815011688d28b65df03627 (diff)
downloadlinux-10aa14527f458e9867cf3d2cc6b8cb0f6704448b.tar.bz2
9p: fix multiple NULL-pointer-dereferences
Added checks to prevent GPFs from raising. Link: http://lkml.kernel.org/r/20180727110558.5479-1-tomasbortoli@gmail.com Signed-off-by: Tomas Bortoli <tomasbortoli@gmail.com> Reported-by: syzbot+1a262da37d3bead15c39@syzkaller.appspotmail.com Cc: stable@vger.kernel.org Signed-off-by: Dominique Martinet <dominique.martinet@cea.fr>
Diffstat (limited to 'net/9p/trans_rdma.c')
-rw-r--r--net/9p/trans_rdma.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/9p/trans_rdma.c b/net/9p/trans_rdma.c
index 2649b2ebf961..2ab4574183c9 100644
--- a/net/9p/trans_rdma.c
+++ b/net/9p/trans_rdma.c
@@ -645,6 +645,9 @@ rdma_create_trans(struct p9_client *client, const char *addr, char *args)
struct rdma_conn_param conn_param;
struct ib_qp_init_attr qp_attr;
+ if (addr == NULL)
+ return -EINVAL;
+
/* Parse the transport specific mount options */
err = parse_opts(args, &opts);
if (err < 0)