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: 283d, last: 12d

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 337d 743d 16/17 fixed on 2019/12/13 00:31
upstream BUG: workqueue lockup (2) C 406 893d 1051d 6/17 fixed on 2018/05/13 10:02
linux-4.14 BUG: workqueue lockup C 62 9d19h 540d 0/1 upstream: reported C repro on 2019/04/29 11:26
upstream BUG: workqueue lockup C 172 1074d 1085d 3/17 fixed on 2017/11/11 01:37
upstream BUG: workqueue lockup (3) C 1215 837d 890d 9/17 fixed on 2018/07/09 18:05
android-414 BUG: workqueue lockup C 114 402d 558d 0/1 public: reported C repro on 2019/04/11 00:00
linux-4.19 BUG: workqueue lockup C 15 16d 546d 0/1 upstream: reported C repro on 2019/04/22 20:37
android-49 BUG: workqueue lockup C 69 326d 558d 0/3 public: reported C repro on 2019/04/11 08:44

Sample crash report:

Crashes (53):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Maintainers
ci-upstream-kasan-gce-smack-root 2020/06/30 23:05 upstream 9ebcfadb 917afeaa .config log report syz C
ci-upstream-kasan-gce-root 2020/05/28 09:58 upstream b0c3ba31 142a0957 .config log report syz C
ci-upstream-kasan-gce-root 2020/04/25 09:57 upstream b4f63322 03d97a1b .config log report syz C axboe@kernel.dk, io-uring@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-smack-root 2020/04/23 14:14 upstream c578ddb3 2e44d63e .config log report syz C
ci-upstream-kasan-gce-root 2020/04/20 11:02 upstream 0fe5f9ca 9f7c6d12 .config log report syz C
ci-upstream-kasan-gce-selinux-root 2020/04/11 07:30 upstream ab6f762f a8c6a3f8 .config log report syz C
ci-upstream-kasan-gce-root 2020/03/30 06:09 upstream e595dd94 05736b29 .config log report syz C
ci-upstream-kasan-gce-root 2020/03/21 03:54 upstream 6c90b86a 2c31c529 .config log report syz C linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, steffen.klassert@secunet.com
ci-upstream-kasan-gce-selinux-root 2020/03/18 10:52 upstream ac309e77 97bc55ce .config log report syz C linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, steffen.klassert@secunet.com
ci-upstream-kasan-gce-root 2020/03/15 15:46 upstream d3dca690 749688d2 .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 2020/03/15 02:29 upstream 69a4d0ba 749688d2 .config log report syz C linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, steffen.klassert@secunet.com
ci-upstream-kasan-gce-selinux-root 2020/03/09 04:58 upstream 61a09258 2e9971bb .config log report syz C linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, steffen.klassert@secunet.com
ci-upstream-kasan-gce-selinux-root 2020/03/08 11:08 upstream c2003765 2e9971bb .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 2020/03/04 12:59 upstream 63623fd4 c88c7b75 .config log report syz C linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, steffen.klassert@secunet.com
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-linux-next-kasan-gce-root 2020/05/11 04:15 linux-next ac935d22 8742a2b9 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2020/04/10 12:45 linux-next 0434e521 a8c6a3f8 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2020/03/31 08:39 linux-next 770fbb32 c8d1cc20 .config log report syz C linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, steffen.klassert@secunet.com
ci2-upstream-usb 2020/03/23 03:12 https://github.com/google/kasan.git usb-fuzzer e17994d1 78267cec .config log report syz C
ci2-upstream-usb 2020/03/20 10:39 https://github.com/google/kasan.git usb-fuzzer e17994d1 2c31c529 .config log report syz C
ci-qemu-upstream 2020/09/07 18:30 upstream fffe3ae0 abf9ba4f .config log report linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, steffen.klassert@secunet.com
ci-qemu-upstream 2020/08/24 17:00 upstream fffe3ae0 67b599d1 .config log report linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, steffen.klassert@secunet.com
ci-upstream-kasan-gce-smack-root 2020/07/24 03:38 upstream d15be546 70c104a1 .config log report
ci-upstream-kasan-gce 2020/07/20 17:19 upstream 5714ee50 4285ffa3 .config log report linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, steffen.klassert@secunet.com
ci-upstream-kasan-gce 2020/07/03 04:11 upstream cd77006e bed10395 .config log report linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, steffen.klassert@secunet.com
ci-upstream-kasan-gce 2020/07/01 13:30 upstream 7c30b859 39acb39d .config log report
ci-qemu-upstream 2020/06/05 09:23 upstream 15a2bc4d 2420d1bc .config log report linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, steffen.klassert@secunet.com
ci-upstream-kasan-gce-selinux-root 2020/05/29 12:14 upstream 75caf310 d19ed305 .config log report linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, steffen.klassert@secunet.com
ci-upstream-kasan-gce-root 2020/05/29 12:03 upstream 75caf310 d19ed305 .config log report
ci-upstream-kasan-gce-smack-root 2020/04/25 07:46 upstream b4f63322 03d97a1b .config log report linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, steffen.klassert@secunet.com
ci-upstream-kasan-gce-selinux-root 2020/04/11 01:34 upstream ab6f762f a8c6a3f8 .config log report 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
ci-qemu-upstream-386 2020/08/01 10:22 upstream 7dc6fd0f d895b3be .config log report linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, steffen.klassert@secunet.com
ci-upstream-kasan-gce-386 2020/07/28 12:28 upstream 92ed3019 cb93dc6a .config log report linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, steffen.klassert@secunet.com
ci-qemu-upstream-386 2020/05/20 21:34 upstream 115a5416 1255f02a .config log report
ci-upstream-bpf-kasan-gce 2020/09/30 03:56 bpf 9cf51446 5abc3f1a .config log report info
ci-upstream-net-kasan-gce 2020/10/08 05:33 net-next 9faebeb2 1880b4a9 .config log report info davem@davemloft.net, kuba@kernel.org, linux-kernel@vger.kernel.org, mathew.j.martineau@linux.intel.com, matthieu.baerts@tessares.net, mptcp@lists.01.org, netdev@vger.kernel.org
ci-upstream-net-kasan-gce 2020/09/30 08:24 net-next 28009571 5abc3f1a .config log report info linux-kernel@vger.kernel.org, mingo@redhat.com, rostedt@goodmis.org
ci-upstream-net-kasan-gce 2020/09/29 02:05 net-next bcbf1be0 1b88c6d5 .config log report info
ci-upstream-net-kasan-gce 2020/09/26 13:32 net-next 6fba737a 2d5ea0cb .config log report info
ci-upstream-net-kasan-gce 2020/09/24 10:14 net-next 1a26e88d 54289b08 .config log report info
ci-upstream-net-kasan-gce 2020/09/23 15:11 net-next 748d1c8a 287cd75a .config log report info andriin@fb.com, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, edumazet@google.com, john.fastabend@gmail.com, kafai@fb.com, kpsingh@chromium.org, kuba@kernel.org, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, songliubraving@fb.com, yhs@fb.com, yoshfuji@linux-ipv6.org
ci-upstream-net-kasan-gce 2020/09/21 03:22 net-next 3cec0369 9564d2e9 .config log report info akpm@linux-foundation.org, bp@alien8.de, hpa@zytor.com, linux-kernel@vger.kernel.org, luto@kernel.org, mingo@redhat.com, tglx@linutronix.de, x86@kernel.org
ci-upstream-net-kasan-gce 2020/09/16 04:19 net-next 0f9ad4e7 18d7d030 .config log report info keescook@chromium.org, linux-kernel@vger.kernel.org, mingo@kernel.org, tglx@linutronix.de
ci-upstream-net-kasan-gce 2020/09/15 09:43 net-next ed6d9b02 6989d6f6 .config log report info a@unstable.cc, b.a.t.m.a.n@lists.open-mesh.org, davem@davemloft.net, kuba@kernel.org, linux-kernel@vger.kernel.org, mareklindner@neomailbox.ch, netdev@vger.kernel.org, sven@narfation.org, sw@simonwunderlich.de
ci-upstream-linux-next-kasan-gce-root 2020/09/17 10:25 linux-next 5fa35f24 8247808b .config log report info areber@redhat.com, christian@brauner.io, ebiederm@xmission.com, keescook@chromium.org, linux-kernel@vger.kernel.org, oleg@redhat.com, sargun@sargun.me