diff options
| author | Tomas Bortoli <tomasbortoli@gmail.com> | 2018-07-27 13:05:58 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-09-09 20:01:22 +0200 |
| commit | 3ac733eb641d974b6072c9817bd382838139979d (patch) | |
| tree | 981f23f20182c8e79be4bf4ebd8f1993617bce59 /net/9p/trans_rdma.c | |
| parent | 262f38faadc43e844d849b65337c535023ccd388 (diff) | |
9p: fix multiple NULL-pointer-dereferences
commit 10aa14527f458e9867cf3d2cc6b8cb0f6704448b upstream.
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net/9p/trans_rdma.c')
| -rw-r--r-- | net/9p/trans_rdma.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/net/9p/trans_rdma.c b/net/9p/trans_rdma.c index 553ed4ecb6a0..5a2ad4707463 100644 --- a/net/9p/trans_rdma.c +++ b/net/9p/trans_rdma.c @@ -622,6 +622,9 @@ 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) |