syzbot


KASAN: global-out-of-bounds Read in fbcon_get_font
Status: fixed on 2020/11/10 07:26
Reported-by: syzbot+31388007bce57db44c24@syzkaller.appspotmail.com
Fix commit: 43198a5b1c42 fbcon: Fix global-out-of-bounds read in fbcon_get_font()
First crash: 785d, last: 474d

Fix bisection: fixed by (bisect log) :
commit 43198a5b1c42e3d8aadc6524a73bb3aa3666cd43
Author: Peilin Ye <yepeilin.cs@gmail.com>
Date: Thu Sep 24 13:43:48 2020 +0000

  fbcon: Fix global-out-of-bounds read in fbcon_get_font()

similar bugs (2):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream KASAN: global-out-of-bounds Read in fbcon_get_font C inconclusive inconclusive 41 481d 778d 17/22 fixed on 2020/11/16 12:12
linux-4.14 KASAN: global-out-of-bounds Read in fbcon_get_font C done 42 469d 785d 1/1 fixed on 2020/11/13 22:55

Sample crash report:

Crashes (47):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-linux-4-19 2020/01/01 17:43 linux-4.19.y c7ecf3e3a71c 25a0186e .config log report syz C
ci2-linux-4-19 2019/12/03 07:39 linux-4.19.y 174651bdf802 ab342da3 .config log report syz C
ci2-linux-4-19 2019/12/09 23:48 linux-4.19.y fb683b5e3f53 b31eda3d .config log report syz
ci2-linux-4-19 2020/10/09 20:05 linux-4.19.y a1b977b49b66 fa79ed2a .config log report info
ci2-linux-4-19 2020/10/05 20:47 linux-4.19.y b09c34517e1a 1880b4a9 .config log report info
ci2-linux-4-19 2020/08/18 02:17 linux-4.19.y c14d30dc9987 5ce13532 .config log report
ci2-linux-4-19 2020/08/16 02:14 linux-4.19.y c14d30dc9987 5ce13532 .config log report
ci2-linux-4-19 2020/08/14 04:30 linux-4.19.y c14d30dc9987 54ce1ed6 .config log report
ci2-linux-4-19 2020/08/12 21:25 linux-4.19.y c14d30dc9987 0d7bd2e0 .config log report
ci2-linux-4-19 2020/07/20 19:40 linux-4.19.y 17a87580a885 8caeeeb7 .config log report
ci2-linux-4-19 2020/07/20 19:31 linux-4.19.y 17a87580a885 8caeeeb7 .config log report
ci2-linux-4-19 2020/07/19 07:46 linux-4.19.y 17a87580a885 9c812472 .config log report
ci2-linux-4-19 2020/07/15 18:06 linux-4.19.y dce0f88600e4 ada108d0 .config log report
ci2-linux-4-19 2020/07/15 11:29 linux-4.19.y dce0f88600e4 ada108d0 .config log report
ci2-linux-4-19 2020/07/11 00:18 linux-4.19.y dce0f88600e4 18d18b59 .config log report
ci2-linux-4-19 2020/07/10 06:04 linux-4.19.y dce0f88600e4 edf162e8 .config log report
ci2-linux-4-19 2020/07/03 17:52 linux-4.19.y 399849e4654e 6e569755 .config log report
ci2-linux-4-19 2020/06/21 06:08 linux-4.19.y 3fc898571b97 c655ec77 .config log report
ci2-linux-4-19 2020/06/20 09:13 linux-4.19.y 3fc898571b97 c655ec77 .config log report
ci2-linux-4-19 2020/06/12 15:07 linux-4.19.y 3fc898571b97 819b58b0 .config log report
ci2-linux-4-19 2020/06/12 11:57 linux-4.19.y 3fc898571b97 819b58b0 .config log report
ci2-linux-4-19 2020/06/08 16:37 linux-4.19.y 106fa147d3da 7604bb03 .config log report
ci2-linux-4-19 2020/06/07 04:23 linux-4.19.y 4707d8e57273 e6b89e4e .config log report
ci2-linux-4-19 2020/05/24 23:20 linux-4.19.y 1bab61d3e8cd ce7ca010 .config log report
ci2-linux-4-19 2020/05/24 03:08 linux-4.19.y 1bab61d3e8cd 96c92ad3 .config log report
ci2-linux-4-19 2020/05/15 21:20 linux-4.19.y 258f0cf7ac3b d7f9fffa .config log report
ci2-linux-4-19 2020/05/08 00:24 linux-4.19.y 84920cc7fbe1 6c70a1c2 .config log report
ci2-linux-4-19 2020/05/01 15:59 linux-4.19.y 765675379b62 143a10e9 .config log report
ci2-linux-4-19 2020/05/01 07:14 linux-4.19.y 765675379b62 3698959a .config log report
ci2-linux-4-19 2020/04/30 12:44 linux-4.19.y 765675379b62 3698959a .config log report
ci2-linux-4-19 2020/04/30 01:07 linux-4.19.y 765675379b62 2dd552a5 .config log report
ci2-linux-4-19 2020/04/29 13:25 linux-4.19.y 7edd66cf6167 ba2806db .config log report
ci2-linux-4-19 2020/04/25 15:37 linux-4.19.y 7edd66cf6167 a113ba38 .config log report
ci2-linux-4-19 2020/04/25 01:25 linux-4.19.y 7edd66cf6167 03d97a1b .config log report
ci2-linux-4-19 2020/04/12 14:06 linux-4.19.y dda0e2920330 36b0b050 .config log report
ci2-linux-4-19 2020/03/31 02:55 linux-4.19.y 54b4fa6d3955 c8d1cc20 .config log report
ci2-linux-4-19 2020/03/24 05:35 linux-4.19.y 14cfdbd39e31 33e14df3 .config log report
ci2-linux-4-19 2020/03/22 14:18 linux-4.19.y 14cfdbd39e31 78267cec .config log report
ci2-linux-4-19 2020/03/18 09:18 linux-4.19.y 93556fb211fa 97bc55ce .config log report
ci2-linux-4-19 2020/03/12 13:51 linux-4.19.y 569209711609 d850e9d0 .config log report
ci2-linux-4-19 2020/02/18 22:05 linux-4.19.y 9b15f7fae677 012fbc32 .config log report
ci2-linux-4-19 2020/01/30 03:58 linux-4.19.y 7cdefde351b6 5ed23f9a .config log report
ci2-linux-4-19 2020/01/14 12:54 linux-4.19.y dcd888983542 32881205 .config log report
ci2-linux-4-19 2020/01/04 23:09 linux-4.19.y 3d40d7117e35 68256974 .config log report
ci2-linux-4-19 2019/12/22 19:56 linux-4.19.y 672481c2deff 8b967267 .config log report
ci2-linux-4-19 2019/12/22 17:16 linux-4.19.y 672481c2deff 8b967267 .config log report
ci2-linux-4-19 2019/12/10 18:37 linux-4.19.y fb683b5e3f53 4b83c8fb .config log report