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
First crash: 397d, last: 2h44m

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 625d 625d 0/22 auto-closed as invalid on 2020/02/09 05:37
upstream INFO: rcu detected stall in dummy_timer C 16 654d 719d 14/22 fixed on 2019/10/27 22:28

Sample crash report:

Crashes (89):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
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 2021/02/05 11:31 upstream 5c279c4cf206 23a562df .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
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 2021/02/03 01:50 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 64eaa0fa66ac 624dad51 .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 2021/01/05 23:27 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing ed054e4e95d6 b1c228e1 .config log report syz C
ci2-upstream-usb 2021/01/01 12:47 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing cb4d9b52ec06 79264ae3 .config log report syz C
ci2-upstream-usb 2020/12/31 20:28 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing cb4d9b52ec06 79264ae3 .config log report syz C
ci2-upstream-usb 2020/12/27 22:43 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing f838f8d2b694 2242f77f .config log report syz C
ci2-upstream-usb 2020/12/20 16:39 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 3644e2d2dda7 04201c06 .config log report syz C
ci2-upstream-usb 2020/12/20 14:26 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 3644e2d2dda7 04201c06 .config log report syz C
ci2-upstream-usb 2020/12/19 06:00 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 5e60366d56c6 04201c06 .config log report syz C
ci2-upstream-usb 2020/12/16 01:06 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing a256e24021bf f213e07e .config log report syz C
ci2-upstream-usb 2020/12/15 07:40 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing a256e24021bf 97183ed7 .config log report syz C
ci2-upstream-usb 2020/12/15 06:11 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing a256e24021bf 97183ed7 .config log report syz C
ci2-upstream-usb 2020/12/09 03:05 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing b175d273d4e4 40cc414d .config log report syz C
ci2-upstream-usb 2020/08/30 11:04 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 3ed8e1c2ac99 d5a3ae1f .config log report syz C
ci2-upstream-usb 2020/08/30 03:05 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 3ed8e1c2ac99 d5a3ae1f .config log report syz C
ci2-upstream-usb 2020/08/23 21:12 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 28157b8c7d9a a6d5f3ad .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-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 2021/05/12 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 2020/12/24 23:20 upstream 3913d00ac51a c2c1d1dd .config log report info
ci-upstream-kasan-gce 2020/12/14 17:25 upstream 2c85ebc57b3e 97183ed7 .config log report info
ci-upstream-kasan-gce-smack-root 2020/08/04 06:20 upstream bcf876870b95 196277c4 .config log report
ci-upstream-kasan-gce-selinux-root 2020/08/03 08:57 upstream 5a30a78924ec 196277c4 .config log report
ci-upstream-kasan-gce 2020/07/05 03:47 upstream 7cc2a8ea1048 51095195 .config log report
ci-upstream-kasan-gce-selinux-root 2020/06/30 19:08 upstream 9ebcfadb0610 917afeaa .config log report
ci-upstream-kasan-gce 2020/06/25 15:13 upstream 7ae77150d94d 54566aff .config log report
ci-upstream-kasan-gce-386 2020/12/04 23:08 upstream e87297fa080a 20366b87 .config log report info
ci2-upstream-usb 2020/12/28 22:04 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 32510cf5e554 8259d56c .config log report info
ci2-upstream-usb 2020/08/12 05:57 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 449dc8c97089 bb3e5fe6 .config log report
ci-upstream-linux-next-kasan-gce-root 2020/08/10 23:18 linux-next f80535b9aa10 7adc7b65 .config log report
ci2-upstream-usb 2020/06/30 05:15 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 9cf6ffae3800 917afeaa .config log report