syzbot


BUG: unable to handle kernel paging request in dummy_get_vf_config
Status: fixed on 2019/12/13 17:54
Reported-by: syzbot+2e8f8d5c2c736c83d62f@syzkaller.appspotmail.com
Fix commit: 9ed49fc9 net: rtnetlink: prevent underflows in do_setvfinfo()
First crash: 323d, last: 225d

Fix bisection: fixed by (bisect log):

commit 9ed49fc95f37a457d940324c033c20d85cefb930
Author: Dan Carpenter <dan.carpenter@oracle.com>
Date: Wed Nov 20 12:34:38 2019 +0000

  net: rtnetlink: prevent underflows in do_setvfinfo()


Sample crash report:

Crashes (4):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci2-linux-4-14 2019/07/19 06:48 linux-4.14.y aea8526e 7bb222f7 .config log report syz C
ci2-linux-4-14 2019/10/24 17:18 linux-4.14.y b98aebd2 d01bb02a .config log report linux-kernel@vger.kernel.org, netdev@vger.kernel.org
ci2-linux-4-14 2019/08/25 19:57 linux-4.14.y b5260801 d21c5d9d .config log report linux-kernel@vger.kernel.org, netdev@vger.kernel.org
ci2-linux-4-14 2019/08/12 09:13 linux-4.14.y 3ffe1e79 acb51638 .config log report linux-kernel@vger.kernel.org, netdev@vger.kernel.org