syzbot


BUG: unable to handle kernel paging request in do_con_trol
Status: fixed on 2020/08/28 16:06
Reported-by: syzbot+69b47ab1682bdd85bee5@syzkaller.appspotmail.com
Fix commit: 74752b81 vt: Reject zero-sized screen buffer size.
First crash: 448d, last: 216d

Fix bisection: fixed by (bisect log) :
commit 74752b81eae8ae64e97de222320026367e92c4b5
Author: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Date: Sun Jul 12 11:10:12 2020 +0000

  vt: Reject zero-sized screen buffer size.

similar bugs (2):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.14 BUG: unable to handle kernel paging request in do_con_trol C inconclusive 29 277d 448d 0/1 upstream: reported C repro on 2019/12/09 17:13
upstream BUG: unable to handle kernel paging request in do_con_trol C done 98 250d 448d 0/21 closed as dup on 2020/07/20 22:52

Sample crash report:

Crashes (36):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-linux-4-19 2020/01/21 08:29 linux-4.19.y dc4ba5be 8eda0b95 .config log report syz C
ci2-linux-4-19 2019/12/09 16:56 linux-4.19.y fb683b5e b31eda3d .config log report syz C
ci2-linux-4-19 2020/06/28 19:55 linux-4.19.y a39e7545 a2cdad9d .config log report
ci2-linux-4-19 2020/06/24 03:17 linux-4.19.y b3a99fd3 bbad15ae .config log report
ci2-linux-4-19 2020/06/24 00:14 linux-4.19.y b3a99fd3 bbad15ae .config log report
ci2-linux-4-19 2020/05/22 18:18 linux-4.19.y 1bab61d3 4afdfa20 .config log report
ci2-linux-4-19 2020/05/22 06:56 linux-4.19.y 1bab61d3 4afdfa20 .config log report
ci2-linux-4-19 2020/05/17 20:28 linux-4.19.y 258f0cf7 37bccd4e .config log report
ci2-linux-4-19 2020/05/17 08:23 linux-4.19.y 258f0cf7 37bccd4e .config log report
ci2-linux-4-19 2020/05/13 03:00 linux-4.19.y 033c4ea4 a44eb8f7 .config log report
ci2-linux-4-19 2020/05/04 20:16 linux-4.19.y fdc07232 9941337c .config log report
ci2-linux-4-19 2020/05/03 12:40 linux-4.19.y fdc07232 58ae5e18 .config log report
ci2-linux-4-19 2020/05/02 11:48 linux-4.19.y 76567537 58da4c35 .config log report
ci2-linux-4-19 2020/04/10 22:24 linux-4.19.y dda0e292 a8c6a3f8 .config log report
ci2-linux-4-19 2020/04/03 22:20 linux-4.19.y dda0e292 ef26b610 .config log report
ci2-linux-4-19 2020/03/30 10:28 linux-4.19.y 54b4fa6d c8d1cc20 .config log report
ci2-linux-4-19 2020/03/29 15:35 linux-4.19.y 54b4fa6d 05736b29 .config log report
ci2-linux-4-19 2020/03/27 08:58 linux-4.19.y 54b4fa6d 9af8b4b3 .config log report
ci2-linux-4-19 2020/02/20 13:44 linux-4.19.y 4fccc250 81230308 .config log report
ci2-linux-4-19 2020/02/19 01:02 linux-4.19.y 9b15f7fa 135c18aa .config log report
ci2-linux-4-19 2020/02/10 19:42 linux-4.19.y b499cf4b d9e55b05 .config log report
ci2-linux-4-19 2020/02/10 16:31 linux-4.19.y b499cf4b 18847f55 .config log report
ci2-linux-4-19 2020/02/08 11:01 linux-4.19.y b499cf4b 06150bf1 .config log report
ci2-linux-4-19 2020/02/07 14:56 linux-4.19.y b499cf4b 06150bf1 .config log report
ci2-linux-4-19 2020/02/01 23:18 linux-4.19.y 32ee7492 2274ad39 .config log report
ci2-linux-4-19 2020/02/01 22:51 linux-4.19.y 32ee7492 2274ad39 .config log report
ci2-linux-4-19 2020/01/16 12:49 linux-4.19.y db5b9190 3de7aabb .config log report
ci2-linux-4-19 2020/01/16 11:48 linux-4.19.y db5b9190 3de7aabb .config log report
ci2-linux-4-19 2020/01/09 10:17 linux-4.19.y cb1f9a16 ddc3e859 .config log report
ci2-linux-4-19 2020/01/09 04:36 linux-4.19.y 3d40d711 ddc3e859 .config log report
ci2-linux-4-19 2019/12/13 08:46 linux-4.19.y 312017a4 2a752b7c .config log report
ci2-linux-4-19 2019/12/12 17:20 linux-4.19.y fb683b5e 08003f64 .config log report
ci2-linux-4-19 2019/12/11 15:47 linux-4.19.y fb683b5e 0d368675 .config log report
ci2-linux-4-19 2019/12/11 12:25 linux-4.19.y fb683b5e 101194eb .config log report
ci2-linux-4-19 2019/12/10 22:24 linux-4.19.y fb683b5e 101194eb .config log report
ci2-linux-4-19 2019/12/09 14:41 linux-4.19.y fb683b5e b31eda3d .config log report