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: 300d, last: 1d17h

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 527d 527d 0/22 auto-closed as invalid on 2020/02/09 05:37
upstream INFO: rcu detected stall in dummy_timer C 16 556d 621d 14/22 fixed on 2019/10/27 22:28

Sample crash report:

Crashes (57):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce 2021/02/25 08:49 upstream 719bbd4a fcc6d71b .config log report syz C INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce 2021/02/19 05:59 upstream f40ddce8 14052202 .config log report syz C INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce 2021/02/15 17:18 upstream f40ddce8 98682e5e .config log report syz C INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce 2021/02/09 05:25 upstream e0756cfc 2bd9619f .config log report syz C INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce 2021/02/05 11:31 upstream 5c279c4c 23a562df .config log report syz C INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce 2021/01/26 03:39 upstream f8ad8187 52e37319 .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 4b853c23 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 4b853c23 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 4b853c23 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 bee1f89a 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 f85142af 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 b5a12546 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 64eaa0fa 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 ed054e4e 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 ed054e4e 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 cb4d9b52 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 cb4d9b52 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 f838f8d2 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 3644e2d2 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 3644e2d2 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 5e60366d 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 a256e240 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 a256e240 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 a256e240 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 b175d273 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 3ed8e1c2 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 3ed8e1c2 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 28157b8c 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 25051b55 6f458026 .config log report syz C
ci-upstream-kasan-gce 2021/04/04 17:16 upstream 2023a53b 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 4b853c23 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 e9fcb077 6a81331a .config log report syz INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce 2021/04/19 08:05 upstream bf05bf16 7e2b734b .config log report info INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce-selinux-root 2021/04/11 21:20 upstream 7d900724 bfeda1b1 .config log report info INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce 2021/04/10 21:18 upstream d4961772 bfeda1b1 .config log report info INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce 2021/04/03 00:11 upstream 1678e493 6a81331a .config log report info INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce-smack-root 2021/02/14 07:34 upstream ac30d8ce 98682e5e .config log report info INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce 2021/02/01 10:09 upstream 1048ba83 fc9fd31e .config log report info INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce-386 2021/02/22 05:45 upstream 55f62bc8 a659b3f1 .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 4b853c23 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 9bc46a12 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 e9fcb077 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 f70d436f 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 5e17812c d7e4e604 .config log report info INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce 2020/12/24 23:20 upstream 3913d00a c2c1d1dd .config log report info
ci-upstream-kasan-gce 2020/12/14 17:25 upstream 2c85ebc5 97183ed7 .config log report info
ci-upstream-kasan-gce-smack-root 2020/08/04 06:20 upstream bcf87687 196277c4 .config log report
ci-upstream-kasan-gce-selinux-root 2020/08/03 08:57 upstream 5a30a789 196277c4 .config log report
ci-upstream-kasan-gce 2020/07/05 03:47 upstream 7cc2a8ea 51095195 .config log report
ci-upstream-kasan-gce-selinux-root 2020/06/30 19:08 upstream 9ebcfadb 917afeaa .config log report
ci-upstream-kasan-gce 2020/06/25 15:13 upstream 7ae77150 54566aff .config log report
ci-upstream-kasan-gce-386 2020/12/04 23:08 upstream e87297fa 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 32510cf5 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 449dc8c9 bb3e5fe6 .config log report
ci-upstream-linux-next-kasan-gce-root 2020/08/10 23:18 linux-next f80535b9 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 9cf6ffae 917afeaa .config log report