syzbot


INFO: rcu detected stall in dummy_timer (3)
Status: upstream: reported C repro on 2020/07/14 16:27
Reported-by: syzbot+4d3749e9612c2cfab956@syzkaller.appspotmail.com
Fix commit: 476db72e5219 media: mceusb: return without resubmitting URB in case of -EPROTO error.
Patched on: [ci-qemu-upstream ci-qemu-upstream-386 ci-qemu2-arm32 ci-qemu2-arm64 ci-qemu2-arm64-compat ci-qemu2-arm64-mte ci-upstream-bpf-kasan-gce ci-upstream-bpf-next-kasan-gce ci-upstream-gce-leak ci-upstream-kasan-gce ci-upstream-kasan-gce-386 ci-upstream-kasan-gce-root ci-upstream-kasan-gce-selinux-root ci-upstream-kasan-gce-smack-root ci-upstream-linux-next-kasan-gce-root ci-upstream-net-kasan-gce ci-upstream-net-this-kasan-gce ci2-upstream-kcsan-gce ci2-upstream-usb], missing on: [ci-qemu2-riscv64 ci-upstream-kmsan-gce ci-upstream-kmsan-gce-386]
First crash: 522d, last: 30d

Cause bisection: failed (bisect log)
similar bugs (2):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream INFO: rcu detected stall in dummy_timer (2) 1 749d 749d 0/22 auto-closed as invalid on 2020/02/09 05:37
upstream INFO: rcu detected stall in dummy_timer C 16 778d 843d 14/22 fixed on 2019/10/27 22:28
Patch testing requests:
Created Duration User Patch Repo Result
2021/08/18 07:39 45m rajatasthana4@gmail.com upstream report log
2021/08/17 19:43 20m rajatasthana4@gmail.com patch upstream OK

Sample crash report:

Crashes (124):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce 2021/10/30 04:48 upstream f25a5481af12 098b5d53 .config log report syz C INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce 2021/10/08 03:10 upstream 4a16df549d23 efe0f24d .config log report syz C INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce-selinux-root 2021/10/03 02:51 upstream ab2a7a35c4e7 db0f5787 .config log report syz C INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce-selinux-root 2021/08/22 08:41 upstream 9ff50bf2f2ff b599f2fc .config log report syz C INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce-smack-root 2021/08/17 00:29 upstream a2824f19e606 33c26cb7 .config log report syz C INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce-selinux-root 2021/08/04 14:32 upstream d5ad8ec3cfb5 6c236867 .config log report syz C INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce-selinux-root 2021/07/31 19:28 upstream c7d102232649 6c236867 .config log report syz C INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce 2021/07/27 08:56 upstream ff1176468d36 fd511809 .config log report syz C INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce-selinux-root 2021/07/25 01:20 upstream f0fddcec6b62 4d1b57d4 .config log report syz C INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce-selinux-root 2021/07/23 22:06 upstream 9bead1b58c4c bc5f1d88 .config log report syz C INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce 2021/07/17 14:02 upstream d980cc0620ae f115ae98 .config log report syz C INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce 2021/07/17 11:22 upstream d980cc0620ae f115ae98 .config log report syz C INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce-smack-root 2021/07/14 01:43 upstream 40226a3d96ef fa0594c3 .config log report syz C INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce-smack-root 2021/07/13 14:39 upstream 7fef2edf7cc7 f415556d .config log report syz C INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce-smack-root 2021/07/08 10:05 upstream 3dbdb38e2869 95793bce .config log report syz C INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce-smack-root 2021/06/29 15:04 upstream 233a806b00e3 9d2ab5df .config log report syz C INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce-smack-root 2021/06/11 01:59 upstream f09eacca59d2 1ba81399 .config log report syz C INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce 2021/02/25 08:49 upstream 719bbd4a509f fcc6d71b .config log report syz C INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce 2021/02/19 05:59 upstream f40ddce88593 14052202 .config log report syz C INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce 2021/02/15 17:18 upstream f40ddce88593 98682e5e .config log report syz C INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce 2021/02/09 05:25 upstream e0756cfc7d7c 2bd9619f .config log report syz C INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce 2021/01/26 03:39 upstream f8ad8187c3b5 52e37319 .config log report syz C INFO: rcu detected stall in dummy_timer
ci2-upstream-usb 2021/10/30 07:26 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing c47055e943b0 098b5d53 .config log report syz C INFO: rcu detected stall in dummy_timer
ci2-upstream-usb 2021/10/23 16:55 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing c26f1c109d21 282f03fb .config log report syz C INFO: rcu detected stall in dummy_timer
ci2-upstream-usb 2021/10/09 08:34 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 2c52ad743fee efe0f24d .config log report syz C INFO: rcu detected stall in dummy_timer
ci2-upstream-usb 2021/09/18 20:24 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing ae8709b296d8 70b76c1d .config log report syz C INFO: rcu detected stall in dummy_timer
ci-upstream-linux-next-kasan-gce-root 2021/09/18 18:12 linux-next 9004fd387338 70b76c1d .config log report syz C INFO: rcu detected stall in dummy_timer
ci2-upstream-usb 2021/09/13 16:25 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 6880fa6c5660 3ce60af8 .config log report syz C INFO: rcu detected stall in dummy_timer
ci-upstream-linux-next-kasan-gce-root 2021/07/28 12:14 linux-next 42d0b5f52c9b 17d6ab15 .config log report syz C INFO: rcu detected stall in dummy_timer
ci-upstream-linux-next-kasan-gce-root 2021/07/11 21:42 linux-next 92510a7fd93c 8f5a7b8c .config log report syz C INFO: rcu detected stall in dummy_timer
ci-upstream-linux-next-kasan-gce-root 2021/07/10 14:20 linux-next 92510a7fd93c 8f5a7b8c .config log report syz C INFO: rcu detected stall in dummy_timer
ci-upstream-linux-next-kasan-gce-root 2021/07/03 19:49 linux-next a1f92694393a 55aa55c2 .config log report syz C INFO: rcu detected stall in dummy_timer
ci2-upstream-usb 2021/05/19 03:28 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 9fbf82c76414 a343ba6b .config log report syz C INFO: rcu detected stall in dummy_timer
ci2-upstream-usb 2021/05/18 02:31 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 9fbf82c76414 a343ba6b .config log report syz C INFO: rcu detected stall in dummy_timer
ci2-upstream-usb 2021/05/15 22:31 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 216e0e563d81 93f844de .config log report syz C INFO: rcu detected stall in dummy_timer
ci2-upstream-usb 2021/04/29 23:18 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 4a0225c3d208 77e2b668 .config log report syz C INFO: rcu detected stall in dummy_timer
ci2-upstream-usb 2021/04/29 19:21 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 4a0225c3d208 77e2b668 .config log report syz C INFO: rcu detected stall in dummy_timer
ci2-upstream-usb 2021/04/17 22:52 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 4b853c236c7b 7e2b734b .config log report syz C INFO: rcu detected stall in dummy_timer
ci2-upstream-usb 2021/04/17 16:09 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 4b853c236c7b 7e2b734b .config log report syz C INFO: rcu detected stall in dummy_timer
ci2-upstream-usb 2021/04/15 09:37 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 4b853c236c7b fcdb12ba .config log report syz C INFO: rcu detected stall in dummy_timer
ci2-upstream-usb 2021/04/04 11:48 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing bee1f89aad2a 6a81331a .config log report syz C INFO: rcu detected stall in dummy_timer
ci2-upstream-usb 2021/03/23 12:03 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing f85142af3641 8092f30d .config log report syz C INFO: rcu detected stall in dummy_timer
ci2-upstream-usb 2021/02/20 01:46 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing b5a12546e779 f689d40a .config log report syz C INFO: rcu detected stall in dummy_timer
ci2-upstream-usb 2021/01/06 06:14 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing ed054e4e95d6 b1c228e1 .config log report syz C
ci2-upstream-usb 2020/07/14 13:51 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 25051b55a2f6 6f458026 .config log report syz C
ci-upstream-kasan-gce 2021/04/04 17:16 upstream 2023a53bdf41 6a81331a .config log report syz INFO: rcu detected stall in dummy_timer
ci2-upstream-usb 2021/04/15 20:29 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 4b853c236c7b c59079a6 .config log report syz INFO: rcu detected stall in dummy_timer
ci2-upstream-usb 2021/04/06 22:18 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing e9fcb07704fc 6a81331a .config log report syz INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce-selinux-root 2021/10/19 23:28 upstream d9abdee5fd5a 466b7db1 .config log report info INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce-smack-root 2021/09/23 22:21 upstream 58e2cf5d7946 8cac236e .config log report info INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce-selinux-root 2021/09/05 21:08 upstream 0319b848b155 d236a457 .config log report info INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce 2021/08/27 11:21 upstream 77dd11439b86 b318694d .config log report info INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce 2021/08/25 19:28 upstream 6e764bcd1cf7 b599f2fc .config log report info INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce 2021/08/25 08:14 upstream 6e764bcd1cf7 b599f2fc .config log report info INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce 2021/08/18 00:43 upstream 794c7931a242 a2fe1cb5 .config log report info INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce 2021/08/14 10:12 upstream dfa377c35d70 2489ab88 .config log report info INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce-smack-root 2021/08/13 12:19 upstream f8fbb47c6e86 3fd2ea69 .config log report info INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce 2021/08/12 02:35 upstream 761c6d7ec820 6972b106 .config log report info INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce-selinux-root 2021/07/28 16:31 upstream 7d549995d4e0 17d6ab15 .config log report info INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce-smack-root 2021/07/25 06:40 upstream 6498f6151825 4d1b57d4 .config log report info INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce 2021/06/27 19:17 upstream 625acffd7ae2 9d2ab5df .config log report info INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce 2021/06/26 17:15 upstream b7050b242430 9d2ab5df .config log report info INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce 2021/06/11 01:49 upstream f09eacca59d2 1ba81399 .config log report info INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce-root 2021/05/20 16:21 upstream c3d0e3fd41b7 c560a65d .config log report info INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce 2021/05/03 17:04 upstream d2b6f8a17919 ad61f371 .config log report info INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce-root 2021/04/24 23:09 upstream 8db5efb83fa9 17f0b706 .config log report info INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce-smack-root 2021/04/24 07:42 upstream e77a830c8297 17f0b706 .config log report info INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce 2021/04/19 08:05 upstream bf05bf16c76b 7e2b734b .config log report info INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce-selinux-root 2021/04/11 21:20 upstream 7d900724913c bfeda1b1 .config log report info INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce 2021/04/10 21:18 upstream d4961772226d bfeda1b1 .config log report info INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce 2021/04/03 00:11 upstream 1678e493d530 6a81331a .config log report info INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce-smack-root 2021/02/14 07:34 upstream ac30d8ce28d6 98682e5e .config log report info INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce 2021/02/01 10:09 upstream 1048ba83fb1c fc9fd31e .config log report info INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce-386 2021/07/22 23:47 upstream 3d5895cd3517 302e51de .config log report info INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce-386 2021/02/22 05:45 upstream 55f62bc87347 a659b3f1 .config log report info INFO: rcu detected stall in dummy_timer
ci2-upstream-usb 2021/10/25 19:17 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing e8d6336d9d71 c1132b49 .config log report info INFO: rcu detected stall in dummy_timer
ci2-upstream-usb 2021/10/20 22:46 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing b851f7c7b8fd f111d03b .config log report info INFO: rcu detected stall in dummy_timer
ci2-upstream-usb 2021/10/12 20:18 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 620b74d01b9d 08362356 .config log report info INFO: rcu detected stall in dummy_timer
ci2-upstream-usb 2021/10/04 08:33 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing ae9a6149884e ce697b49 .config log report info INFO: rcu detected stall in dummy_timer
ci-upstream-linux-next-kasan-gce-root 2021/09/27 21:48 linux-next bf5b1e621a51 78494d16 .config log report info INFO: rcu detected stall in dummy_timer
ci2-upstream-usb 2021/09/10 09:38 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing bf9f243f23e6 5ae8508a .config log report info INFO: rcu detected stall in dummy_timer
ci2-upstream-usb 2021/09/08 10:25 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 4b93c544e90e e2776ee4 .config log report info INFO: rcu detected stall in dummy_timer
ci2-upstream-usb 2021/09/07 07:23 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 4b93c544e90e 6ca60148 .config log report info INFO: rcu detected stall in dummy_timer
ci2-upstream-usb 2021/09/07 03:54 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 27151f177827 6ca60148 .config log report info INFO: rcu detected stall in dummy_timer
ci2-upstream-usb 2021/08/31 17:38 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 9c1587d99f93 7eb7e152 .config log report info INFO: rcu detected stall in dummy_timer
ci2-upstream-usb 2021/08/23 20:29 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing e4788edc730a b599f2fc .config log report info INFO: rcu detected stall in dummy_timer
ci2-upstream-usb 2021/05/12 19:32 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 4676be28a46e ed7d41c5 .config log report info INFO: rcu detected stall in dummy_timer
ci2-upstream-usb 2021/05/11 02:09 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 4676be28a46e ca873091 .config log report info INFO: rcu detected stall in dummy_timer
ci2-upstream-usb 2021/04/26 21:41 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing caa93d9bd2d7 8ee2dea6 .config log report info INFO: rcu detected stall in dummy_timer
ci2-upstream-usb 2021/04/25 19:45 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing caa93d9bd2d7 2a82f1b3 .config log report info INFO: rcu detected stall in dummy_timer
ci2-upstream-usb 2021/04/20 08:06 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 4b853c236c7b c0ced557 .config log report info INFO: rcu detected stall in dummy_timer
ci2-upstream-usb 2021/04/12 21:28 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 9bc46a12c53d 6a81331a .config log report info INFO: rcu detected stall in dummy_timer
ci2-upstream-usb 2021/04/06 10:08 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing e9fcb07704fc 6a81331a .config log report info INFO: rcu detected stall in dummy_timer
ci2-upstream-usb 2021/04/05 09:43 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing f70d436f0001 6a81331a .config log report info INFO: rcu detected stall in dummy_timer
ci2-upstream-usb 2021/03/04 06:00 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 5e17812c22bc d7e4e604 .config log report info INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce 2020/06/25 15:13 upstream 7ae77150d94d 54566aff .config log report