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: 618d, last: 9d12h

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 Cause bisect Fix bisect Count Last Reported Patched Status
upstream BUG: workqueue lockup (4) C 47 672d 1078d 16/22 fixed on 2019/12/13 00:31
upstream BUG: workqueue lockup (2) C 406 1228d 1386d 6/22 fixed on 2018/05/13 10:02
linux-4.14 BUG: workqueue lockup C 218 10d 874d 0/1 upstream: reported C repro on 2019/04/29 11:26
upstream BUG: workqueue lockup C 172 1409d 1419d 3/22 fixed on 2017/11/11 01:37
upstream BUG: workqueue lockup (3) C 1215 1172d 1225d 9/22 fixed on 2018/07/09 18:05
android-414 BUG: workqueue lockup C 114 737d 893d 0/1 public: reported C repro on 2019/04/11 00:00
linux-4.19 BUG: workqueue lockup C 24 1d12h 881d 0/1 upstream: reported C repro on 2019/04/22 20:37
android-49 BUG: workqueue lockup C 69 661d 893d 0/3 public: reported C repro on 2019/04/11 08:44

Sample crash report:

Fix bisection attempts:
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-smack-root 2021/06/12 17:21 upstream ad347abe4a98 917afeaa .config log report syz C
ci-upstream-kasan-gce-smack-root 2021/04/01 05:34 upstream d19cc4bfbff1 917afeaa .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/11/07 07:20 upstream 659caaf65dc9 917afeaa .config log report syz C
Crashes (94):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-root 2021/08/01 16:22 upstream f3438b4c4e69 6c236867 .config log report syz C BUG: workqueue lockup
ci-upstream-kasan-gce-selinux-root 2021/07/15 08:52 upstream 8096acd7442e b9a2f64e .config log report syz C BUG: workqueue lockup
ci-upstream-net-kasan-gce 2021/08/01 20:36 net-next 3e12361b6d23 6c236867 .config log report syz C BUG: workqueue lockup
ci-upstream-linux-next-kasan-gce-root 2021/06/25 09:55 linux-next a1f92694393a 0edbbe31 .config log report syz C BUG: workqueue lockup
ci-upstream-kasan-gce-smack-root 2020/06/30 23:05 upstream 9ebcfadb0610 917afeaa .config log report syz C
ci-upstream-kasan-gce-root 2020/05/28 09:58 upstream b0c3ba31be3e 142a0957 .config log report syz C
ci-upstream-kasan-gce-root 2020/04/25 09:57 upstream b4f633221f0a 03d97a1b .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/04/23 14:14 upstream c578ddb39e56 2e44d63e .config log report syz C
ci-upstream-kasan-gce-root 2020/04/20 11:02 upstream 0fe5f9ca2235 9f7c6d12 .config log report syz C
ci-upstream-kasan-gce-selinux-root 2020/04/11 07:30 upstream ab6f762f0f53 a8c6a3f8 .config log report syz C
ci-upstream-kasan-gce-root 2020/03/30 06:09 upstream e595dd94515e 05736b29 .config log report syz C
ci-upstream-kasan-gce-root 2020/03/21 03:54 upstream 6c90b86a745a 2c31c529 .config log report syz C
ci-upstream-kasan-gce-selinux-root 2020/03/18 10:52 upstream ac309e7744be 97bc55ce .config log report syz C
ci-upstream-kasan-gce-root 2020/03/15 15:46 upstream d3dca69085e9 749688d2 .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/03/15 02:29 upstream 69a4d0baeeb1 749688d2 .config log report syz C
ci-upstream-kasan-gce-selinux-root 2020/03/09 04:58 upstream 61a09258f2e5 2e9971bb .config log report syz C
ci-upstream-kasan-gce-selinux-root 2020/03/08 11:08 upstream c20037652700 2e9971bb .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/03/04 12:59 upstream 63623fd44972 c88c7b75 .config log report syz C
ci-upstream-kasan-gce-selinux-root 2020/02/16 00:48 upstream 829e69446995 5d7b90f1 .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/02/13 10:03 upstream f2850dd5ee01 84f4fc8a .config log report syz C
ci-upstream-kasan-gce 2020/02/13 06:50 upstream f2850dd5ee01 84f4fc8a .config log report syz C
ci-upstream-kasan-gce 2020/02/09 19:08 upstream fdfa3a6778b1 6ece2ea5 .config log report syz C
ci-upstream-kasan-gce-root 2020/01/11 06:19 upstream e69ec487b2c7 4de4e9f0 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2020/05/11 04:15 linux-next ac935d227366 8742a2b9 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2020/04/10 12:45 linux-next 0434e521ce3b a8c6a3f8 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2020/03/31 08:39 linux-next 770fbb32d34e c8d1cc20 .config log report syz C
ci2-upstream-usb 2020/03/23 03:12 https://github.com/google/kasan.git usb-fuzzer e17994d1e7b1 78267cec .config log report syz C
ci2-upstream-usb 2020/03/20 10:39 https://github.com/google/kasan.git usb-fuzzer e17994d1e7b1 2c31c529 .config log report syz C
ci-qemu-upstream 2021/07/20 20:38 upstream 8cae8cd89f05 1b201b48 .config log report info BUG: workqueue lockup
ci-qemu-upstream 2021/07/16 21:12 upstream d936eb238744 f115ae98 .config log report info BUG: workqueue lockup
ci-qemu-upstream 2021/06/14 01:18 upstream 009c9aa5be65 1ba81399 .config log report info BUG: workqueue lockup
ci-qemu-upstream 2021/05/13 16:53 upstream c06a2ba62fc4 ecb594cb .config log report info BUG: workqueue lockup
ci-qemu-upstream 2021/04/20 11:14 upstream 7af08140979a c0ced557 .config log report info BUG: workqueue lockup
ci-qemu-upstream 2021/04/13 10:22 upstream 89698becf06d bfeda1b1 .config log report info BUG: workqueue lockup
ci-qemu-upstream 2021/02/26 10:54 upstream 2c87f7a38f93 4c37c133 .config log report info BUG: workqueue lockup
ci-qemu-upstream 2021/02/02 23:07 upstream 3aaf0a27ffc2 624dad51 .config log report info BUG: workqueue lockup
ci-qemu-upstream 2021/02/02 16:13 upstream 88bb507a74ea 19e09687 .config log report info BUG: workqueue lockup
ci-qemu-upstream 2021/01/30 01:55 upstream bec4c2968fce fc9fd31e .config log report info BUG: workqueue lockup
ci-qemu-upstream 2021/01/28 09:13 upstream 76c057c84d28 eefc07f2 .config log report info BUG: workqueue lockup
ci-qemu2-arm64-compat 2021/09/10 21:15 upstream bf9f243f23e6 5ae8508a .config log report info BUG: workqueue lockup
ci-qemu2-arm64-compat 2021/07/03 05:59 upstream 3dbdb38e2869 55aa55c2 .config log report info BUG: workqueue lockup
ci-qemu-upstream-386 2021/06/19 05:40 upstream b1edae0d5f2e aba2b2fb .config log report info BUG: workqueue lockup
ci-qemu-upstream-386 2021/06/14 10:04 upstream 009c9aa5be65 1ba81399 .config log report info BUG: workqueue lockup
ci-qemu-upstream-386 2021/06/12 17:50 upstream ad347abe4a98 1ba81399 .config log report info BUG: workqueue lockup
ci-qemu2-arm64-compat 2021/04/15 18:58 upstream 7f75285ca572 c59079a6 .config log report info BUG: workqueue lockup
ci-qemu-upstream-386 2021/02/02 18:45 upstream 88bb507a74ea 19e09687 .config log report info BUG: workqueue lockup
ci-qemu-upstream-386 2021/02/02 05:42 upstream 88bb507a74ea e6b95f32 .config log report info BUG: workqueue lockup
ci-qemu-upstream-386 2021/02/01 00:33 upstream 6642d600b541 fc9fd31e .config log report info BUG: workqueue lockup
ci-qemu-upstream-386 2021/01/30 18:07 upstream 0e9bcda5d286 fc9fd31e .config log report info BUG: workqueue lockup
ci-upstream-net-this-kasan-gce 2021/08/21 00:46 net a8f89fa27773 b599f2fc .config log report info BUG: workqueue lockup
ci-upstream-bpf-kasan-gce 2021/07/07 20:39 bpf af0efa050caa 4846d5c1 .config log report info BUG: workqueue lockup
ci-upstream-net-this-kasan-gce 2021/04/08 05:42 net 5219d6012d46 6a81331a .config log report info BUG: workqueue lockup
ci-upstream-bpf-kasan-gce 2021/02/26 18:58 bpf 557c223b643a 4c37c133 .config log report info BUG: workqueue lockup
ci-upstream-linux-next-kasan-gce-root 2021/06/28 17:46 linux-next a1f92694393a 9d2ab5df .config log report info BUG: workqueue lockup
ci-upstream-kasan-gce 2021/01/17 02:30 upstream 0da0a8a0a0e1 65a7a854 .config log report info
ci-upstream-kasan-gce 2021/01/16 01:20 upstream 5ee88057889b 65a7a854 .config log report info
ci-upstream-kasan-gce 2020/12/27 03:51 upstream f838f8d2b694 821e0b09 .config log report info
ci-upstream-kasan-gce-root 2020/12/08 23:38 upstream 7d8761ba27fc a7f7f4a4 .config log report info
ci-qemu-upstream 2020/11/15 18:12 upstream e28c0d7c92c8 1bf9a662 .config log report info
ci-qemu-upstream 2020/09/07 18:30 upstream fffe3ae0ee84 abf9ba4f .config log report
ci-qemu-upstream 2020/08/24 17:00 upstream fffe3ae0ee84 67b599d1 .config log report
ci-upstream-kasan-gce-smack-root 2020/07/24 03:38 upstream d15be546031c 70c104a1 .config log report
ci-upstream-kasan-gce 2020/07/20 17:19 upstream 5714ee50bb43 4285ffa3 .config log report
ci-upstream-kasan-gce 2020/07/03 04:11 upstream cd77006e01b3 bed10395 .config log report
ci-upstream-kasan-gce 2020/07/01 13:30 upstream 7c30b859a947 39acb39d .config log report
ci-qemu-upstream-386 2020/08/01 10:22 upstream 7dc6fd0f3b84 d895b3be .config log report
ci-upstream-kasan-gce-386 2020/07/28 12:28 upstream 92ed30191993 cb93dc6a .config log report
ci-upstream-bpf-kasan-gce 2020/12/27 20:36 bpf a61daaf351da 2242f77f .config log report info
ci-upstream-bpf-kasan-gce 2020/12/22 22:53 bpf e7e518053c26 04201c06 .config log report info
ci-upstream-bpf-kasan-gce 2020/09/30 03:56 bpf 9cf51446e686 5abc3f1a .config log report info
ci-upstream-bpf-next-kasan-gce 2021/01/12 02:23 bpf-next e22d7f05e445 2c1f2513 .config log report info
ci-upstream-bpf-next-kasan-gce 2020/12/15 14:55 bpf-next 0e12c0271887 97183ed7 .config log report info
ci-upstream-bpf-next-kasan-gce 2020/12/03 11:12 bpf-next 97306be45fbe e6b0d314 .config log report info
ci-upstream-net-kasan-gce 2020/10/08 05:33 net-next 9faebeb2d800 1880b4a9 .config log report info
ci-upstream-net-kasan-gce 2020/09/30 08:24 net-next 280095713ce2 5abc3f1a .config log report info
ci-upstream-net-kasan-gce 2020/09/29 02:05 net-next bcbf1be0ad49 1b88c6d5 .config log report info
ci-upstream-net-kasan-gce 2020/09/26 13:32 net-next 6fba737a9320 2d5ea0cb .config log report info
ci-upstream-net-kasan-gce 2020/09/24 10:14 net-next 1a26e88d534b 54289b08 .config log report info
ci-upstream-net-kasan-gce 2020/09/23 15:11 net-next 748d1c8a425e 287cd75a .config log report info
ci-upstream-net-kasan-gce 2020/09/21 03:22 net-next 3cec0369905d 9564d2e9 .config log report info
ci-upstream-net-kasan-gce 2020/09/16 04:19 net-next 0f9ad4e75944 18d7d030 .config log report info
ci-upstream-net-kasan-gce 2020/09/15 09:43 net-next ed6d9b022813 6989d6f6 .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/09/17 10:25 linux-next 5fa35f247b56 8247808b .config log report info