syzbot


BUG: unable to handle kernel paging request in insert_char
Status: fixed on 2020/08/14 11:39
Reported-by: syzbot+cc08863f947091905ff4@syzkaller.appspotmail.com
Fix commit: 74752b81 vt: Reject zero-sized screen buffer size.
First crash: 517d, last: 297d

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
upstream BUG: unable to handle kernel paging request in insert_char C inconclusive done 173 315d 513d 0/22 closed as dup on 2020/07/27 22:45
linux-4.14 BUG: unable to handle kernel paging request in insert_char C inconclusive 21 283d 511d 0/1 upstream: reported C repro on 2019/12/13 18:49

Sample crash report:

Crashes (46):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-linux-4-19 2019/12/16 21:58 linux-4.19.y 312017a4 0ae38e44 .config log report syz C
ci2-linux-4-19 2020/05/16 01:10 linux-4.19.y 258f0cf7 37bccd4e .config log report
ci2-linux-4-19 2020/05/07 22:12 linux-4.19.y 84920cc7 6c70a1c2 .config log report
ci2-linux-4-19 2020/05/07 10:27 linux-4.19.y 84920cc7 98cbd87b .config log report
ci2-linux-4-19 2020/05/04 13:21 linux-4.19.y fdc07232 58ae5e18 .config log report
ci2-linux-4-19 2020/05/03 12:45 linux-4.19.y fdc07232 58ae5e18 .config log report
ci2-linux-4-19 2020/05/02 07:47 linux-4.19.y 76567537 bc734e7a .config log report
ci2-linux-4-19 2020/05/01 21:42 linux-4.19.y 76567537 bc734e7a .config log report
ci2-linux-4-19 2020/05/01 08:34 linux-4.19.y 76567537 143a10e9 .config log report
ci2-linux-4-19 2020/04/28 05:04 linux-4.19.y 7edd66cf 0ce7569e .config log report
ci2-linux-4-19 2020/02/13 14:38 linux-4.19.y 35766839 e6247653 .config log report
ci2-linux-4-19 2020/02/06 13:04 linux-4.19.y b499cf4b 5be3a391 .config log report
ci2-linux-4-19 2020/02/05 13:51 linux-4.19.y 32ee7492 662cf49a .config log report
ci2-linux-4-19 2020/02/05 11:15 linux-4.19.y 32ee7492 93e5e335 .config log report
ci2-linux-4-19 2020/02/05 08:37 linux-4.19.y 32ee7492 93e5e335 .config log report
ci2-linux-4-19 2020/02/05 04:38 linux-4.19.y 32ee7492 93e5e335 .config log report
ci2-linux-4-19 2020/02/03 20:03 linux-4.19.y 32ee7492 93e5e335 .config log report
ci2-linux-4-19 2020/01/29 16:37 linux-4.19.y 7cdefde3 5ed23f9a .config log report
ci2-linux-4-19 2020/01/29 15:39 linux-4.19.y 88d6de67 5ed23f9a .config log report
ci2-linux-4-19 2020/01/16 12:11 linux-4.19.y db5b9190 3de7aabb .config log report
ci2-linux-4-19 2020/01/15 20:43 linux-4.19.y db5b9190 f9b69507 .config log report
ci2-linux-4-19 2020/01/15 20:36 linux-4.19.y db5b9190 f9b69507 .config log report
ci2-linux-4-19 2020/01/15 18:52 linux-4.19.y db5b9190 f9b69507 .config log report
ci2-linux-4-19 2020/01/11 12:30 linux-4.19.y cb1f9a16 4c04afaa .config log report
ci2-linux-4-19 2020/01/10 07:25 linux-4.19.y cb1f9a16 4de4e9f0 .config log report
ci2-linux-4-19 2020/01/09 11:21 linux-4.19.y cb1f9a16 ddc3e859 .config log report
ci2-linux-4-19 2020/01/03 11:21 linux-4.19.y c7ecf3e3 9dcc1191 .config log report
ci2-linux-4-19 2019/12/31 17:46 linux-4.19.y c7ecf3e3 25a0186e .config log report
ci2-linux-4-19 2019/12/31 05:33 linux-4.19.y 672481c2 7f117e28 .config log report
ci2-linux-4-19 2019/12/30 16:47 linux-4.19.y 672481c2 6b36d338 .config log report
ci2-linux-4-19 2019/12/28 10:54 linux-4.19.y 672481c2 af6b8ef8 .config log report
ci2-linux-4-19 2019/12/27 01:54 linux-4.19.y 672481c2 be5c2c81 .config log report
ci2-linux-4-19 2019/12/26 02:56 linux-4.19.y 672481c2 be5c2c81 .config log report
ci2-linux-4-19 2019/12/25 23:56 linux-4.19.y 672481c2 be5c2c81 .config log report
ci2-linux-4-19 2019/12/23 12:01 linux-4.19.y 672481c2 be5c2c81 .config log report
ci2-linux-4-19 2019/12/23 11:15 linux-4.19.y 672481c2 be5c2c81 .config log report
ci2-linux-4-19 2019/12/21 03:29 linux-4.19.y 7d120bf2 bc586918 .config log report
ci2-linux-4-19 2019/12/21 02:56 linux-4.19.y 7d120bf2 bc586918 .config log report
ci2-linux-4-19 2019/12/20 14:14 linux-4.19.y 7d120bf2 34011c05 .config log report
ci2-linux-4-19 2019/12/20 04:32 linux-4.19.y 7d120bf2 36650b4b .config log report
ci2-linux-4-19 2019/12/18 19:04 linux-4.19.y 7d120bf2 79b211f7 .config log report
ci2-linux-4-19 2019/12/18 05:02 linux-4.19.y 7d120bf2 64ca0a37 .config log report
ci2-linux-4-19 2019/12/17 01:31 linux-4.19.y 312017a4 d13d7958 .config log report
ci2-linux-4-19 2019/12/16 09:29 linux-4.19.y 312017a4 0ae38e44 .config log report
ci2-linux-4-19 2019/12/14 06:32 linux-4.19.y 312017a4 eef6e580 .config log report
ci2-linux-4-19 2019/12/07 20:09 linux-4.19.y fb683b5e 1508f453 .config log report