diff options
| author | Phillip Potter <phil@philpotter.co.uk> | 2021-04-11 12:28:24 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-04-11 16:54:57 -0700 |
| commit | 6628ddfec7580882f11fdc5c194a8ea781fdadfa (patch) | |
| tree | e22d3abfbdca7c7658e8a78c8b41befa68ee2c6c /include | |
| parent | 31457db3750c0b0ed229d836f2609fdb8a5b790e (diff) | |
net: geneve: check skb is large enough for IPv4/IPv6 header
Check within geneve_xmit_skb/geneve6_xmit_skb that sk_buff structure
is large enough to include IPv4 or IPv6 header, and reject if not. The
geneve_xmit_skb portion and overall idea was contributed by Eric Dumazet.
Fixes a KMSAN-found uninit-value bug reported by syzbot at:
https://syzkaller.appspot.com/bug?id=abe95dc3e3e9667fc23b8d81f29ecad95c6f106f
Suggested-by: Eric Dumazet <edumazet@google.com>
Reported-by: syzbot+2e406a9ac75bb71d4b7a@syzkaller.appspotmail.com
Signed-off-by: Phillip Potter <phil@philpotter.co.uk>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
0 files changed, 0 insertions, 0 deletions