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| author | Dominique Martinet <asmadeus@codewreck.org> | 2021-11-02 19:47:47 +0900 |
|---|---|---|
| committer | Dominique Martinet <asmadeus@codewreck.org> | 2021-11-03 09:49:54 +0900 |
| commit | 27eb4c3144f7a5ebef3c9a261d80cb3e1fa784dc (patch) | |
| tree | 173c932cd71708897a921e06f82546d8e487ca0f /net/9p | |
| parent | 8bb7eca972ad531c9b149c0a51ab43a417385813 (diff) | |
| download | lwn-27eb4c3144f7a5ebef3c9a261d80cb3e1fa784dc.tar.gz lwn-27eb4c3144f7a5ebef3c9a261d80cb3e1fa784dc.zip | |
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 <asmadeus@codewreck.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); |