diff options
| author | Dominique Martinet <asmadeus@codewreck.org> | 2021-11-02 13:47:47 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-11-18 21:17:16 +0300 |
| commit | 6847c42862972538de4b002de5e82945743d6e35 (patch) | |
| tree | 3169617496590bd8481f766b156771e26a793b4e /net/9p | |
| parent | 1f03911876ab9c0bc6f149d4b4d6ea2ac43bc194 (diff) | |
| download | linux-6847c42862972538de4b002de5e82945743d6e35.tar.xz | |
9p/net: fix missing error check in p9_check_errors
commit 27eb4c3144f7a5ebef3c9a261d80cb3e1fa784dc upstream.
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 <asmadeus@codewreck.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net/9p')
| -rw-r--r-- | net/9p/client.c | 2 |
1 files changed, 2 insertions, 0 deletions
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); |