diff options
| author | Eric Dumazet <edumazet@google.com> | 2018-04-07 22:42:39 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-04-08 04:32:31 +0200 |
| commit | b13dda9f9aa7caceeee61c080c2e544d5f5d85e5 (patch) | |
| tree | 9a5d1163611e1f95613f9f9ef43355c74357d884 /net/core | |
| parent | net: fix rtnh_ok() (diff) | |
| download | linux-b13dda9f9aa7caceeee61c080c2e544d5f5d85e5.tar.xz linux-b13dda9f9aa7caceeee61c080c2e544d5f5d85e5.zip | |
net: initialize skb->peeked when cloning
syzbot reported __skb_try_recv_from_queue() was using skb->peeked
while it was potentially unitialized.
We need to clear it in __skb_clone()
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: syzbot <syzkaller@googlegroups.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core')
| -rw-r--r-- | net/core/skbuff.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 1bca1e0fc8f7..345b51837ca8 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -857,6 +857,7 @@ static struct sk_buff *__skb_clone(struct sk_buff *n, struct sk_buff *skb) n->hdr_len = skb->nohdr ? skb_headroom(skb) : skb->hdr_len; n->cloned = 1; n->nohdr = 0; + n->peeked = 0; n->destructor = NULL; C(tail); C(end); |