diff options
| author | Eric Dumazet <edumazet@google.com> | 2018-09-30 11:33:39 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-10-20 09:52:36 +0200 |
| commit | d7148eeb647fd55909f985ad14b0176ff1fae335 (patch) | |
| tree | 7f0a577a1573131eed20a5b51a6cd452e2e5d056 /include/linux/netdevice.h | |
| parent | f9d3572816ba724129da0ec2ecd590d5c899e86e (diff) | |
ipv4: fix use-after-free in ip_cmsg_recv_dstaddr()
[ Upstream commit 64199fc0a46ba211362472f7f942f900af9492fd ]
Caching ip_hdr(skb) before a call to pskb_may_pull() is buggy,
do not do it.
Fixes: 2efd4fca703a ("ip: in cmsg IP(V6)_ORIGDSTADDR call pskb_may_pull")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Willem de Bruijn <willemb@google.com>
Reported-by: syzbot <syzkaller@googlegroups.com>
Acked-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/netdevice.h')
0 files changed, 0 insertions, 0 deletions