From 27eb4c3144f7a5ebef3c9a261d80cb3e1fa784dc Mon Sep 17 00:00:00 2001 From: Dominique Martinet Date: Tue, 2 Nov 2021 19:47:47 +0900 Subject: 9p/net: fix missing error check in p9_check_errors Link: https://lkml.kernel.org/r/99338965-d36c-886e-cd0e-1d8fff2b4746@gmail.com Reported-by: syzbot+06472778c97ed94af66d@syzkaller.appspotmail.com Cc: stable@vger.kernel.org Signed-off-by: Dominique Martinet --- net/9p/client.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'net/9p') diff --git a/net/9p/client.c b/net/9p/client.c index 213f12ed76cd..7973267ec846 100644 --- a/net/9p/client.c +++ b/net/9p/client.c @@ -541,6 +541,8 @@ static int p9_check_errors(struct p9_client *c, struct p9_req_t *req) kfree(ename); } else { err = p9pdu_readf(&req->rc, c->proto_version, "d", &ecode); + if (err) + goto out_err; err = -ecode; p9_debug(P9_DEBUG_9P, "<<< RLERROR (%d)\n", -ecode); -- cgit v1.2.3