syzbot


BUG: workqueue lockup (5)
Status: upstream: reported C repro on 2020/01/14 22:04
Reported-by: syzbot+f0b66b520b54883d4b9d@syzkaller.appspotmail.com
First crash: 37d, last: 1d09h

Cause bisection: introduced by (bisect log):

commit ebe02de2c60caa3ee5a1b39c7c8b2a40e1fda2d8
Author: Himanshu Jha <himanshujha199640@gmail.com>
Date: Tue Aug 29 13:12:27 2017 +0000

  drm/amd/powerplay/hwmgr: Remove null check before kfree

Crash: WARNING in __x86_set_memory_region (log)
Repro: C syz .config
similar bugs (8):
Kernel Title Repro Bisected Count Last Reported Patched Status
upstream BUG: workqueue lockup (4) C 47 91d 497d 16/16 fixed on 2019/12/13 00:31
upstream BUG: workqueue lockup (2) C 406 647d 805d 6/16 fixed on 2018/05/13 10:02
linux-4.14 BUG: workqueue lockup 14 3d04h 293d 0/1 upstream: reported on 2019/04/29 11:26
upstream BUG: workqueue lockup C 172 828d 838d 3/16 fixed on 2017/11/11 01:37
upstream BUG: workqueue lockup (3) C 1215 591d 644d 9/16 fixed on 2018/07/09 18:05
android-414 BUG: workqueue lockup C 114 156d 312d 0/1 public: reported C repro on 2019/04/11 00:00
linux-4.19 BUG: workqueue lockup C 9 9d14h 300d 0/1 upstream: reported C repro on 2019/04/22 20:37
android-49 BUG: workqueue lockup C 69 80d 312d 0/3 public: reported C repro on 2019/04/11 08:44

Sample crash report:

Crashes (8):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci-upstream-kasan-gce-selinux-root 2020/02/16 00:48 upstream 829e6944 5d7b90f1 .config log report syz C linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, steffen.klassert@secunet.com
ci-upstream-kasan-gce-smack-root 2020/02/13 10:03 upstream f2850dd5 84f4fc8a .config log report syz C linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, steffen.klassert@secunet.com
ci-upstream-kasan-gce 2020/02/13 06:50 upstream f2850dd5 84f4fc8a .config log report syz C linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, steffen.klassert@secunet.com
ci-upstream-kasan-gce 2020/02/09 19:08 upstream fdfa3a67 6ece2ea5 .config log report syz C linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, steffen.klassert@secunet.com
ci-upstream-kasan-gce-root 2020/01/11 06:19 upstream e69ec487 4de4e9f0 .config log report syz C linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, steffen.klassert@secunet.com
ci-upstream-kasan-gce-root 2020/02/03 22:56 upstream 754beeec 93e5e335 .config log report linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, steffen.klassert@secunet.com
ci-upstream-kasan-gce-smack-root 2020/01/20 05:02 upstream 8f8972a3 0342f8c7 .config log report linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, steffen.klassert@secunet.com
ci-upstream-kasan-gce-root 2020/01/14 12:16 upstream b3a987b0 32881205 .config log report linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, steffen.klassert@secunet.com