syzbot


KASAN: vmalloc-out-of-bounds Write in bitfill_aligned
Status: fixed on 2020/09/21 20:54
Reported-by: syzbot+e5fd3e65515b48c02a30@syzkaller.appspotmail.com
Fix commit: 033724d68642 fbdev: Detect integer underflow at "struct fbcon_ops"->clear_margins.
First crash: 731d, last: 496d
duplicates (9):
Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
INFO: task hung in console_callback 7 514d 682d 0/22 closed as dup on 2020/08/16 15:22
INFO: task hung in fb_open C done 552 478d 732d 0/22 closed as dup on 2020/07/27 23:07
INFO: task can't die in fb_open 3 478d 496d 0/22 closed as dup on 2020/07/27 05:19
INFO: task hung in vcs_open 32 456d 589d 0/22 closed as dup on 2020/08/05 10:53
INFO: task hung in fb_release C done 64 478d 712d 0/22 closed as dup on 2020/07/27 23:00
INFO: task hung in con_install 6 515d 697d 0/22 closed as dup on 2020/08/16 15:20
INFO: task hung in con_set_cmap 1 518d 513d 0/22 closed as dup on 2020/07/26 05:18
INFO: task hung in do_fb_ioctl 47 484d 692d 0/22 closed as dup on 2020/07/27 22:56
BUG: unable to handle kernel paging request in bitfill_aligned 1 573d 571d 0/22 closed as dup on 2020/08/16 15:35
similar bugs (1):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream BUG: unable to handle kernel paging request in bitfill_aligned (2) 19 7d11h 382d 0/22 upstream: reported on 2020/11/17 20:47
Patch testing requests:
Created Duration User Patch Repo Result
2020/07/14 13:05 27m penguin-kernel@i-love.sakura.ne.jp patch upstream OK
2020/07/14 12:42 20m penguin-kernel@i-love.sakura.ne.jp patch upstream report log
2020/07/14 10:42 26m penguin-kernel@i-love.sakura.ne.jp patch upstream error

Sample crash report:

Crashes (475):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-qemu-upstream 2020/07/26 07:57 upstream 04300d66f0a0 1f7cc1ca .config log report syz C
ci-qemu-upstream 2020/06/10 11:27 upstream 435faf5c218a 860c4de9 .config log report syz C
ci-qemu-upstream 2020/03/17 09:33 upstream fb33c6510d55 749688d2 .config log report syz C
ci-qemu-upstream-386 2020/06/18 07:30 upstream 435faf5c218a d45a4d69 .config log report syz C
ci-qemu-upstream 2020/07/26 04:20 upstream 04300d66f0a0 1f7cc1ca .config log report
ci-qemu-upstream 2020/07/26 00:50 upstream 23ee3e4e5bd2 1f7cc1ca .config log report
ci-qemu-upstream 2020/07/22 11:41 upstream 4fa640dc5230 128cd85f .config log report
ci-qemu-upstream 2020/07/20 21:02 upstream 5714ee50bb43 8caeeeb7 .config log report
ci-qemu-upstream 2020/07/20 17:50 upstream 5714ee50bb43 8caeeeb7 .config log report
ci-qemu-upstream 2020/07/20 17:28 upstream 5714ee50bb43 8caeeeb7 .config log report
ci-qemu-upstream 2020/07/20 07:10 upstream 92188b41f139 9c812472 .config log report
ci-qemu-upstream 2020/07/20 00:48 upstream 92188b41f139 9c812472 .config log report
ci-qemu-upstream 2020/07/20 00:47 upstream 92188b41f139 9c812472 .config log report
ci-qemu-upstream 2020/07/19 22:50 upstream 92188b41f139 9c812472 .config log report
ci-qemu-upstream 2020/07/19 18:30 upstream f932d58abc38 9c812472 .config log report
ci-qemu-upstream 2020/07/19 17:16 upstream f932d58abc38 9c812472 .config log report
ci-qemu-upstream 2020/07/19 04:25 upstream 6cf7ccba29dc 9c812472 .config log report
ci-qemu-upstream 2020/07/18 20:07 upstream 6cf7ccba29dc 9c812472 .config log report
ci-qemu-upstream 2020/07/18 17:34 upstream 6a70f89cc58f 9c812472 .config log report
ci-qemu-upstream 2020/07/18 17:24 upstream 6a70f89cc58f 9c812472 .config log report
ci-qemu-upstream 2020/07/18 13:29 upstream 6a70f89cc58f 9c812472 .config log report
ci-qemu-upstream 2020/07/17 10:29 upstream 07a56bb875af 54b3c45e .config log report
ci-qemu-upstream 2020/07/17 04:36 upstream 07a56bb875af 54b3c45e .config log report
ci-qemu-upstream 2020/07/15 19:00 upstream e9919e11e219 ada108d0 .config log report
ci-qemu-upstream 2020/07/15 09:49 upstream e9919e11e219 ada108d0 .config log report
ci-qemu-upstream 2020/07/13 16:40 upstream 11ba468877bb f90ec899 .config log report
ci-qemu-upstream 2020/07/13 15:40 upstream 11ba468877bb f90ec899 .config log report
ci-qemu-upstream 2020/07/12 12:23 upstream 0aea6d5c5be3 115e1930 .config log report
ci-qemu-upstream 2020/07/12 10:39 upstream 0aea6d5c5be3 115e1930 .config log report
ci-qemu-upstream 2019/12/04 18:08 upstream 63de37476ebd b2088328 .config log report
ci-qemu-upstream-386 2020/07/26 13:17 upstream 04300d66f0a0 51265195 .config log report
ci-qemu-upstream-386 2020/07/26 07:28 upstream 04300d66f0a0 1f7cc1ca .config log report
ci-qemu-upstream-386 2020/07/26 05:54 upstream 04300d66f0a0 1f7cc1ca .config log report
ci-qemu-upstream-386 2020/07/25 19:47 upstream 23ee3e4e5bd2 1f7cc1ca .config log report
ci-qemu-upstream-386 2020/07/25 10:20 upstream 68845a55c31b 0a13649c .config log report
ci-qemu-upstream-386 2020/07/25 05:30 upstream 68845a55c31b 0a13649c .config log report
ci-qemu-upstream-386 2020/07/25 05:24 upstream 68845a55c31b 0a13649c .config log report
ci-qemu-upstream-386 2020/07/24 06:21 upstream f37e99aca03f 70c104a1 .config log report
ci-qemu-upstream-386 2020/07/23 10:00 upstream 8c26c87b0532 340ea530 .config log report
ci-qemu-upstream-386 2020/07/23 03:51 upstream 8c26c87b0532 340ea530 .config log report
ci-qemu-upstream-386 2020/07/22 15:12 upstream 4fa640dc5230 128cd85f .config log report
ci-qemu-upstream-386 2020/07/22 02:45 upstream 4fa640dc5230 21f1765e .config log report
ci-qemu-upstream-386 2020/07/21 12:43 upstream 4fa640dc5230 328906f3 .config log report
ci-qemu-upstream-386 2020/07/19 12:31 upstream f932d58abc38 9c812472 .config log report
ci-qemu-upstream-386 2020/07/19 06:48 upstream 6cf7ccba29dc 9c812472 .config log report
ci-qemu-upstream-386 2020/07/16 20:51 upstream f8456690ba8e b090c643 .config log report
ci-qemu-upstream-386 2020/07/16 19:41 upstream f8456690ba8e b090c643 .config log report
ci-qemu-upstream-386 2020/07/15 12:31 upstream e9919e11e219 ada108d0 .config log report
ci-qemu-upstream-386 2020/07/15 08:44 upstream e9919e11e219 ada108d0 .config log report
ci-qemu-upstream-386 2020/07/15 06:27 upstream e9919e11e219 ada108d0 .config log report
ci-qemu-upstream-386 2020/07/15 03:54 upstream e9919e11e219 ada108d0 .config log report
ci-qemu-upstream-386 2020/07/13 18:12 upstream 11ba468877bb f90ec899 .config log report
ci-qemu-upstream-386 2020/07/13 04:06 upstream 9901a6bd1577 9ebcc5b1 .config log report
ci-qemu-upstream-386 2020/07/12 15:19 upstream 0aea6d5c5be3 115e1930 .config log report