| commit | 010f245b9dd734adda6386c494a4ace953ea8dc4 | [log] [tgz] |
|---|---|---|
| author | Eric Dumazet <edumazet@google.com> | Tue Oct 17 10:07:44 2017 -0700 |
| committer | David S. Miller <davem@davemloft.net> | Thu Oct 19 13:17:39 2017 +0100 |
| tree | e74de233d9da5944058f3a357b949160524f863c | |
| parent | 22ce97fe49b5522e0f97b7c2282ed71a1abd7410 [diff] |
tun: relax check on eth_get_headlen() return value
syzkaller hit the WARN() in tun_get_user(), providing skb
with payload in fragments only, and nothing in skb->head
GRO layer is fine with this, so relax the check.
Fixes: 90e33d459407 ("tun: enable napi_gro_frags() for TUN/TAP driver")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>