syzbot


general protection fault in packet_lookup_frame
Status: fixed on 2019/12/04 13:46
Reported-by: syzbot+7afaf23453f7e4fe9c05@syzkaller.appspotmail.com
Fix commit: 154e6bc4 net/packet: fix race in tpacket_snd()
First crash: 118d, last: 118d

Fix bisection: fixed by (bisect log):

commit 154e6bc497c9c4dd4c8ce41a10615dbe474135cf
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-4.14 general protection fault in packet_lookup_frame C fix 1 118d 118d 1/1 fixed on 2019/12/04 13:46
upstream general protection fault in packet_lookup_frame C cause 7 118d 118d 13/16 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-4-19 2019/08/13 23:33 linux-4.19.y 893af1c7 74d61399 .config log report syz C davem@davemloft.net, edumazet@google.com, gregkh@linuxfoundation.org, jianfeng.tan@linux.alibaba.com, linux-kernel@vger.kernel.org, maxime.chevallier@bootlin.com, netdev@vger.kernel.org, nhorman@tuxdriver.com, willemb@google.com, yuehaibing@huawei.com