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BUG: unable to handle kernel paging request in insert_char
Status: closed as dup on 2020/07/27 22:45
Reported-by: syzbot+6a8d618862e1fc55313d@syzkaller.appspotmail.com
First crash: 728d, last: 529d

Cause bisection: the issue happens on the oldest tested release (bisect log)
Crash: general protection fault in insert_char (log)
Repro: C syz .config

Fix bisection: fixed by (bisect log) :
commit ce684552a266cb1c7cc2f7e623f38567adec6653
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.

Duplicate of (1):
Title Repro Cause bisect Fix bisect Count Last Reported
general protection fault in do_con_write C done 10703 499d 735d
similar bugs (2):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 BUG: unable to handle kernel paging request in insert_char C done 46 511d 731d 1/1 fixed on 2020/08/14 11:39
linux-4.14 BUG: unable to handle kernel paging request in insert_char C inconclusive 21 497d 725d 0/1 upstream: reported C repro on 2019/12/13 18:49

Sample crash report:

Crashes (173):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-root 2019/12/17 01:18 upstream 510c9788991c b80769fc .config log report syz C
ci-upstream-kasan-gce-selinux-root 2019/12/17 00:35 upstream 510c9788991c b80769fc .config log report syz C
ci-upstream-kasan-gce 2019/12/16 21:38 upstream 510c9788991c b80769fc .config log report syz C
ci-upstream-kasan-gce-386 2019/12/17 00:10 upstream 510c9788991c b80769fc .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2019/12/27 01:20 linux-next 7ddd09fc4b74 be5c2c81 .config log report syz C
ci-upstream-kasan-gce 2020/06/26 23:43 upstream 4a21185cda0f aea82c00 .config log report
ci-upstream-kasan-gce-selinux-root 2020/06/11 12:47 upstream 7ae77150d94d 3ab7a05a .config log report
ci-upstream-kasan-gce-selinux-root 2020/06/08 15:06 upstream 7ae77150d94d 7604bb03 .config log report
ci-upstream-kasan-gce-selinux-root 2020/06/08 02:35 upstream 7ae77150d94d 7751efd0 .config log report
ci-upstream-kasan-gce-root 2020/05/18 14:52 upstream b9bbe6ed63b2 684d3606 .config log report
ci-upstream-kasan-gce-root 2020/05/06 20:00 upstream 3c40cdb0e93e 4618eb2d .config log report
ci-upstream-kasan-gce-root 2020/05/01 20:26 upstream 052c467cb587 bc734e7a .config log report
ci-upstream-kasan-gce 2020/04/29 14:38 upstream 96c9a7802af7 496a08ae .config log report
ci-upstream-kasan-gce 2020/04/28 21:47 upstream 3f777e19d171 e3ecea2e .config log report
ci-upstream-kasan-gce-selinux-root 2020/04/27 22:34 upstream 51184ae37e05 0ce7569e .config log report
ci-upstream-kasan-gce 2020/04/26 16:54 upstream b2768df24ec4 99b258dd .config log report
ci-upstream-kasan-gce 2020/04/26 04:42 upstream b2768df24ec4 99b258dd .config log report
ci-upstream-kasan-gce 2020/04/26 03:21 upstream b2768df24ec4 99b258dd .config log report
ci-upstream-kasan-gce-root 2020/04/26 02:11 upstream b2768df24ec4 b8bb8e5f .config log report
ci-upstream-kasan-gce 2020/04/26 00:50 upstream b2768df24ec4 b8bb8e5f .config log report
ci-upstream-kasan-gce 2020/04/25 03:39 upstream b4f633221f0a 03d97a1b .config log report
ci-upstream-kasan-gce-selinux-root 2020/04/02 05:51 upstream 919dce24701f a34e2c33 .config log report
ci-upstream-kasan-gce-root 2020/04/01 02:05 upstream 56a451b78067 a34e2c33 .config log report
ci-upstream-kasan-gce-root 2020/03/29 17:56 upstream e595dd94515e 05736b29 .config log report
ci-upstream-kasan-gce-root 2020/03/28 12:48 upstream 69c5eea3128e f1ebdfba .config log report
ci-upstream-kasan-gce-root 2020/03/25 06:51 upstream 76ccd234269b 41f049cc .config log report
ci-upstream-kasan-gce-root 2020/03/07 00:38 upstream fb279f4e2386 fd2a5f28 .config log report
ci-upstream-kasan-gce-selinux-root 2020/02/14 22:23 upstream 2019fc96af22 5d7b90f1 .config log report
ci-upstream-kasan-gce-selinux-root 2020/02/14 14:36 upstream b19e8c684703 5d7b90f1 .config log report
ci-upstream-kasan-gce 2020/02/04 05:42 upstream 754beeec1d90 93e5e335 .config log report
ci-upstream-kasan-gce 2020/02/03 20:59 upstream 754beeec1d90 93e5e335 .config log report
ci-upstream-kasan-gce 2020/01/28 17:52 upstream b0be0eff1a5a c8e81ce4 .config log report
ci-upstream-kasan-gce 2020/01/28 09:24 upstream b0be0eff1a5a 56cd6c9b .config log report
ci-upstream-kasan-gce-root 2020/01/27 21:05 upstream d5226fa6dbae 56cd6c9b .config log report
ci-upstream-kasan-gce 2020/01/27 13:49 upstream d5226fa6dbae dd56146d .config log report
ci-upstream-kasan-gce 2020/01/27 08:56 upstream a45ea48e2bcd dd56146d .config log report
ci-upstream-kasan-gce-root 2020/01/26 21:08 upstream a45ea48e2bcd dd56146d .config log report
ci-upstream-kasan-gce 2020/01/24 20:38 upstream 6381b442836e 2e95ab33 .config log report
ci-upstream-kasan-gce 2020/01/24 20:15 upstream 6381b442836e 2e95ab33 .config log report
ci-upstream-kasan-gce 2020/01/24 00:04 upstream 4703d9119972 2e95ab33 .config log report
ci-upstream-kasan-gce 2019/12/11 05:19 upstream 6794862a16ef 101194eb .config log report
ci-upstream-kasan-gce-386 2020/06/07 14:27 upstream 7ae77150d94d 2c2b926c .config log report
ci-upstream-kasan-gce-386 2020/06/07 11:36 upstream 7ae77150d94d 2c2b926c .config log report
ci-upstream-kasan-gce-386 2020/02/03 18:03 upstream 754beeec1d90 93e5e335 .config log report
ci-upstream-kasan-gce-386 2020/01/28 11:26 upstream b0be0eff1a5a 56cd6c9b .config log report
ci-upstream-linux-next-kasan-gce-root 2020/05/17 04:18 linux-next ac935d227366 37bccd4e .config log report
ci-upstream-linux-next-kasan-gce-root 2020/05/17 00:45 linux-next ac935d227366 37bccd4e .config log report
ci-upstream-linux-next-kasan-gce-root 2020/05/02 23:54 linux-next ac935d227366 5457883a .config log report
ci-upstream-linux-next-kasan-gce-root 2020/05/02 12:49 linux-next ac935d227366 58da4c35 .config log report
ci-upstream-linux-next-kasan-gce-root 2020/05/01 18:45 linux-next ac935d227366 bc734e7a .config log report
ci-upstream-linux-next-kasan-gce-root 2020/05/01 07:19 linux-next ac935d227366 a4d01b80 .config log report
ci-upstream-linux-next-kasan-gce-root 2020/02/13 17:24 linux-next 51d5d207918d c5ed587f .config log report
ci-upstream-linux-next-kasan-gce-root 2020/02/10 07:45 linux-next 2981de746b18 35f5e45e .config log report