syzbot


BUG: unable to handle kernel paging request in dummy_set_vf_rate
Status: fixed on 2019/12/09 13:28
Reported-by: syzbot+520b63963f39a34c80ca@syzkaller.appspotmail.com
Fix commit: 9ed49fc9 net: rtnetlink: prevent underflows in do_setvfinfo()
First crash: 262d, last: 247d

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 (3):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci2-linux-4-14 2019/09/05 23:22 linux-4.14.y 01fd1694 bf6bcce4 .config log report syz C linux-kernel@vger.kernel.org, netdev@vger.kernel.org
ci2-linux-4-14 2019/09/20 17:28 linux-4.14.y b10ab5e2 d96e88f3 .config log report linux-kernel@vger.kernel.org, netdev@vger.kernel.org
ci2-linux-4-14 2019/09/05 22:58 linux-4.14.y 01fd1694 bf6bcce4 .config log report linux-kernel@vger.kernel.org, netdev@vger.kernel.org