syzbot


general protection fault in packet_lookup_frame
Status: fixed on 2019/12/04 13:46
Reported-by: syzbot+497663e373e2a355e86b@syzkaller.appspotmail.com
Fix commit: 5ac73816 net/packet: fix race in tpacket_snd()
First crash: 195d, last: 195d

Fix bisection: fixed by (bisect log):

commit 5ac73816dda7d2d33ef89177b3d095b3cf5777fb
Author: Eric Dumazet <edumazet@google.com>
Date: Wed Aug 14 09:11:57 2019 +0000

  net/packet: fix race in tpacket_snd()

similar bugs (2):
Kernel Title Repro Bisected Count Last Reported Patched Status
linux-4.19 general protection fault in packet_lookup_frame C fix 1 195d 195d 1/1 fixed on 2019/12/04 13:46
upstream general protection fault in packet_lookup_frame C cause 7 195d 195d 13/17 fixed on 2019/09/06 20:45

Sample crash report:

Crashes (1):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci2-linux-4-14 2019/08/14 02:45 linux-4.14.y 3ffe1e79 ef801a3e .config log report syz C cpaasch@apple.com, davem@davemloft.net, edumazet@google.com, gregkh@linuxfoundation.org, jgg@mellanox.com, jianfeng.tan@linux.alibaba.com, kal.conley@dectris.com, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, nhorman@tuxdriver.com, willemb@google.com, yuehaibing@huawei.com