On Sun, Oct 7, 2018 at 2:15 PM, syzbot <syzbot+08116743f8ad6f9a6de7@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote: > Hello, > > syzbot found the following crash on: > > HEAD commit: c1d84a1b42ef Merge git://git.kernel.org/pub/scm/linux/kern.. > git tree: upstream > console output: https://syzkaller.appspot.com/x/log.txt?x=14c5f491400000 > kernel config: https://syzkaller.appspot.com/x/.config?x=c0af03fe452b65fb > dashboard link: https://syzkaller.appspot.com/bug?extid=08116743f8ad6f9a6de7 > compiler: gcc (GCC) 8.0.1 20180413 (experimental) > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14514a6e400000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1025ebb9400000 The reproducer seems to be all about rtc. So +rtc maintainers. > IMPORTANT: if you fix the bug, please add the following tag to the commit: > Reported-by: syzbot+08116743f8ad6f9a6de7@xxxxxxxxxxxxxxxxxxxxxxxxx > > BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 204s! > Showing busy workqueues and worker pools: > workqueue events: flags=0x0 > pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=4/256 > in-flight: 14:rtc_timer_do_work > pending: vmstat_shepherd, cache_reap, check_corruption > workqueue events_power_efficient: flags=0x80 > pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 > pending: do_cache_clean > workqueue mm_percpu_wq: flags=0x8 > pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 > pending: vmstat_update > workqueue kacpi_notify: flags=0x0 > pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 > pending: acpi_os_execute_deferred > pool 0: cpus=0 node=0 flags=0x0 nice=0 hung=204s workers=2 idle: 2683 > > > --- > This bug is generated by a bot. It may contain errors. > See https://goo.gl/tpsmEJ for more information about syzbot. > syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxx. > > syzbot will keep track of this bug report. See: > https://goo.gl/tpsmEJ#bug-status-tracking for how to communicate with > syzbot. > syzbot can test patches for this bug, for details see: > https://goo.gl/tpsmEJ#testing-patches > > -- > You received this message because you are subscribed to the Google Groups > "syzkaller-bugs" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to syzkaller-bugs+unsubscribe@xxxxxxxxxxxxxxxx. > To view this discussion on the web visit > https://groups.google.com/d/msgid/syzkaller-bugs/0000000000005764090577a27486%40google.com. > For more options, visit https://groups.google.com/d/optout.
