syzbot


general protection fault in drm_client_buffer_vunmap
Status: fixed on 2021/04/13 19:14
Reported-by: syzbot+10328e8428a896b65119@syzkaller.appspotmail.com
Fix commit: 874a52f9 drm/fb-helper: only unmap if buffer not null
First crash: 139d, last: 34d

Cause bisection: introduced by (bisect log) [no-op commit]:
commit c2edc1fe596e00e19a0e1a46dc56406ad2128ba7
Author: Lee Jones <lee.jones@linaro.org>
Date: Thu Nov 12 19:00:22 2020 +0000

  drm/atmel-hlcdc/atmel_hlcdc_crtc: Apply correct formatting to struct docs

Crash: BUG: sleeping function called from invalid context in sta_info_move_state (log)
Repro: C syz .config

Fix bisection: fixed by (bisect log) :
commit 874a52f9b693ed8bf7a92b3592a547ce8a684e6f
Author: Tong Zhang <ztong0001@gmail.com>
Date: Sun Feb 28 04:46:25 2021 +0000

  drm/fb-helper: only unmap if buffer not null

Patch testing requests:
Created Duration User Patch Repo Result
2021/03/10 13:54 10m igormtorrente@gmail.com https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/ master report log

Sample crash report:

Crashes (247):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce 2021/02/24 20:59 upstream c03c21ba fcc6d71b .config log report syz C general protection fault in drm_client_buffer_vunmap
ci-upstream-kasan-gce 2021/01/27 19:09 upstream 2ab38c17 a0ebf917 .config log report syz C general protection fault in drm_client_buffer_vunmap
ci-upstream-kasan-gce 2021/01/27 00:31 upstream 13391c60 55a7d4df .config log report syz C general protection fault in drm_client_buffer_vunmap
ci-upstream-kasan-gce 2021/01/05 06:44 upstream 36bbbd0e 2a28ff1f .config log report syz C
ci2-upstream-usb 2021/01/05 19:07 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing ed054e4e a0234d98 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2020/11/26 18:42 linux-next 6147c83f 1d2b823e .config log report syz C
ci-upstream-kasan-gce-root 2021/02/17 01:31 upstream f40ddce8 98682e5e .config log report info general protection fault in drm_client_buffer_vunmap
ci-upstream-kasan-gce 2021/02/15 11:04 upstream f40ddce8 98682e5e .config log report info general protection fault in drm_client_buffer_vunmap
ci-upstream-kasan-gce-386 2021/01/29 16:04 upstream bec4c296 6593fd32 .config log report info general protection fault in drm_client_buffer_vunmap
ci2-upstream-usb 2021/03/12 00:58 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 60a35ba9 429d8a6b .config log report info general protection fault in drm_client_buffer_vunmap
ci2-upstream-usb 2021/03/11 03:33 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 60a35ba9 764067f3 .config log report info general protection fault in drm_client_buffer_vunmap
ci2-upstream-usb 2021/03/10 20:50 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 60a35ba9 764067f3 .config log report info general protection fault in drm_client_buffer_vunmap
ci2-upstream-usb 2021/03/08 06:52 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 5e17812c 09fbf400 .config log report info general protection fault in drm_client_buffer_vunmap
ci2-upstream-usb 2021/03/06 20:26 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 5e17812c e4b4d570 .config log report info general protection fault in drm_client_buffer_vunmap
ci2-upstream-usb 2021/03/05 15:25 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 5e17812c 9d751681 .config log report info general protection fault in drm_client_buffer_vunmap
ci2-upstream-usb 2021/03/05 06:13 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 5e17812c 9d751681 .config log report info general protection fault in drm_client_buffer_vunmap
ci2-upstream-usb 2021/03/04 21:49 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 5e17812c f89ed068 .config log report info general protection fault in drm_client_buffer_vunmap
ci2-upstream-usb 2021/03/04 13:07 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 5e17812c d7e4e604 .config log report info general protection fault in drm_client_buffer_vunmap
ci2-upstream-usb 2021/03/04 01:52 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 5e17812c 06ed56cd .config log report info general protection fault in drm_client_buffer_vunmap
ci2-upstream-usb 2021/03/03 13:01 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 5e17812c e5b64d68 .config log report info general protection fault in drm_client_buffer_vunmap
ci2-upstream-usb 2021/03/03 09:11 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 5bb9cdb3 e5b64d68 .config log report info general protection fault in drm_client_buffer_vunmap
ci2-upstream-usb 2021/03/02 23:30 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 5bb9cdb3 e5b64d68 .config log report info general protection fault in drm_client_buffer_vunmap
ci2-upstream-usb 2021/03/01 13:53 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing fe07bfda 4c37c133 .config log report info general protection fault in drm_client_buffer_vunmap
ci2-upstream-usb 2021/03/01 04:41 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 5695e516 4c37c133 .config log report info general protection fault in drm_client_buffer_vunmap
ci2-upstream-usb 2021/02/28 07:17 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 3fb6d0e0 4c37c133 .config log report info general protection fault in drm_client_buffer_vunmap
ci2-upstream-usb 2021/02/27 20:52 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 3fb6d0e0 4c37c133 .config log report info general protection fault in drm_client_buffer_vunmap
ci2-upstream-usb 2021/02/27 15:05 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 3fb6d0e0 4c37c133 .config log report info general protection fault in drm_client_buffer_vunmap
ci2-upstream-usb 2021/02/26 13:48 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 2c87f7a3 4c37c133 .config log report info general protection fault in drm_client_buffer_vunmap
ci2-upstream-usb 2021/02/26 10:23 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 2c87f7a3 4c37c133 .config log report info general protection fault in drm_client_buffer_vunmap
ci2-upstream-usb 2021/02/26 03:12 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 29c395c7 76f7fc95 .config log report info general protection fault in drm_client_buffer_vunmap
ci2-upstream-usb 2021/02/25 11:58 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 29c395c7 fcc6d71b .config log report info general protection fault in drm_client_buffer_vunmap
ci2-upstream-usb 2021/02/25 09:17 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 29c395c7 fcc6d71b .config log report info general protection fault in drm_client_buffer_vunmap
ci2-upstream-usb 2021/02/25 04:29 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 3b9cdafb fcc6d71b .config log report info general protection fault in drm_client_buffer_vunmap
ci2-upstream-usb 2021/02/24 08:01 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 3b9cdafb fcc6d71b .config log report info general protection fault in drm_client_buffer_vunmap
ci2-upstream-usb 2021/02/24 02:41 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 3b9cdafb fcc6d71b .config log report info general protection fault in drm_client_buffer_vunmap
ci2-upstream-usb 2021/02/24 01:23 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 3b9cdafb fcc6d71b .config log report info general protection fault in drm_client_buffer_vunmap
ci2-upstream-usb 2021/02/23 15:18 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 3b9cdafb fcc6d71b .config log report info general protection fault in drm_client_buffer_vunmap
ci2-upstream-usb 2021/02/22 20:11 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 31caf8b2 c26fb06b .config log report info general protection fault in drm_client_buffer_vunmap
ci2-upstream-usb 2021/02/22 14:05 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 31caf8b2 c26fb06b .config log report info general protection fault in drm_client_buffer_vunmap
ci2-upstream-usb 2021/02/22 06:07 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 55f62bc8 a659b3f1 .config log report info general protection fault in drm_client_buffer_vunmap
ci2-upstream-usb 2021/02/21 13:01 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 55f62bc8 3e5ed8b4 .config log report info general protection fault in drm_client_buffer_vunmap
ci2-upstream-usb 2021/02/21 03:12 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing b5a12546 3e5ed8b4 .config log report info general protection fault in drm_client_buffer_vunmap
ci2-upstream-usb 2021/02/20 00:02 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing b5a12546 f689d40a .config log report info general protection fault in drm_client_buffer_vunmap
ci2-upstream-usb 2021/02/19 22:31 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing b5a12546 f689d40a .config log report info general protection fault in drm_client_buffer_vunmap
ci2-upstream-usb 2021/02/18 02:31 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing b5a12546 14052202 .config log report info general protection fault in drm_client_buffer_vunmap
ci2-upstream-usb 2021/02/16 22:45 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing b5a12546 98682e5e .config log report info general protection fault in drm_client_buffer_vunmap
ci2-upstream-usb 2021/02/16 07:13 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing b5a12546 98682e5e .config log report info general protection fault in drm_client_buffer_vunmap
ci2-upstream-usb 2021/02/15 19:37 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing b5a12546 98682e5e .config log report info general protection fault in drm_client_buffer_vunmap
ci2-upstream-usb 2021/02/15 13:14 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing b5a12546 98682e5e .config log report info general protection fault in drm_client_buffer_vunmap
ci2-upstream-usb 2021/02/14 09:18 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing b5a12546 98682e5e .config log report info general protection fault in drm_client_buffer_vunmap
ci2-upstream-usb 2021/02/14 08:35 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing b5a12546 98682e5e .config log report info general protection fault in drm_client_buffer_vunmap
ci2-upstream-usb 2021/02/14 06:17 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing b5a12546 98682e5e .config log report info general protection fault in drm_client_buffer_vunmap
ci2-upstream-usb 2021/02/13 17:59 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing b5a12546 98682e5e .config log report info general protection fault in drm_client_buffer_vunmap
ci2-upstream-usb 2021/02/13 14:01 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing b5a12546 98682e5e .config log report info general protection fault in drm_client_buffer_vunmap
ci2-upstream-usb 2021/02/13 04:18 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing b5a12546 98682e5e .config log report info general protection fault in drm_client_buffer_vunmap
ci2-upstream-usb 2021/01/11 08:26 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 841081d8 2c1f2513 .config log report info
ci-upstream-linux-next-kasan-gce-root 2021/01/03 19:56 linux-next d7a03a44 79264ae3 .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/11/26 16:05 linux-next 6147c83f 1d2b823e .config log report info