Messages in this thread | | | Date | Mon, 01 Jun 2020 15:35:22 -0700 (PDT) | Subject | Re: [PATCH net-next] tipc: Fix NULL pointer dereference in __tipc_sendstream() | From | David Miller <> |
| |
From: YueHaibing <yuehaibing@huawei.com> Date: Thu, 28 May 2020 22:34:07 +0800
> tipc_sendstream() may send zero length packet, then tipc_msg_append() > do not alloc skb, skb_peek_tail() will get NULL, msg_set_ack_required > will trigger NULL pointer dereference. > > Reported-by: syzbot+8eac6d030e7807c21d32@syzkaller.appspotmail.com > Fixes: 0a3e060f340d ("tipc: add test for Nagle algorithm effectiveness") > Signed-off-by: YueHaibing <yuehaibing@huawei.com>
I spent some time reading this a few times and the Fixes: commit and this change looks ok to me so I'm just going to apply this.
Thanks.
| |