syzbot


panic: mutex ADDR not held in knote_dequeue
Status: fixed on 2021/06/11 16:00
Reported-by: syzbot+c2aba7645a218ce03027@syzkaller.appspotmail.com
Fix commit: baa47be05351 Remember to lock kqueue mutex in filt_timermodify().
First crash: 44d, last: 44d

Sample crash report:

Crashes (24):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-openbsd-multicore 2021/06/11 03:31 openbsd daca582a2cbb 1ba81399 .config log report syz C panic: mutex ADDR not held in knote_dequeue
ci-openbsd-main 2021/06/11 03:15 openbsd daca582a2cbb 1ba81399 .config log report syz C panic: mutex ADDR not held in knote_dequeue
ci-openbsd-setuid 2021/06/11 03:02 openbsd daca582a2cbb 1ba81399 .config log report syz C panic: mutex ADDR not held in knote_dequeue
ci-openbsd-setuid 2021/06/11 13:54 openbsd daca582a2cbb 1ba81399 .config log report panic: mutex ADDR not held in knote_dequeue
ci-openbsd-multicore 2021/06/11 13:53 openbsd daca582a2cbb 1ba81399 .config log report panic: mutex ADDR not held in knote_dequeue
ci-openbsd-setuid 2021/06/11 13:31 openbsd daca582a2cbb 1ba81399 .config log report panic: mutex ADDR not held in knote_dequeue
ci-openbsd-setuid 2021/06/11 12:14 openbsd daca582a2cbb 1ba81399 .config log report panic: mutex ADDR not held in knote_dequeue
ci-openbsd-setuid 2021/06/11 11:16 openbsd daca582a2cbb 1ba81399 .config log report panic: mutex ADDR not held in knote_dequeue
ci-openbsd-multicore 2021/06/11 08:40 openbsd daca582a2cbb 1ba81399 .config log report panic: mutex ADDR not held in knote_dequeue
ci-openbsd-multicore 2021/06/11 07:22 openbsd daca582a2cbb 1ba81399 .config log report panic: mutex ADDR not held in knote_dequeue
ci-openbsd-multicore 2021/06/11 07:02 openbsd daca582a2cbb 1ba81399 .config log report panic: mutex ADDR not held in knote_dequeue
ci-openbsd-main 2021/06/11 05:19 openbsd daca582a2cbb 1ba81399 .config log report panic: mutex ADDR not held in knote_dequeue
ci-openbsd-multicore 2021/06/11 04:07 openbsd daca582a2cbb 1ba81399 .config log report panic: mutex ADDR not held in knote_dequeue
ci-openbsd-main 2021/06/11 02:57 openbsd daca582a2cbb 1ba81399 .config log report panic: mutex ADDR not held in knote_dequeue
ci-openbsd-main 2021/06/11 02:54 openbsd daca582a2cbb 1ba81399 .config log report panic: mutex ADDR not held in knote_dequeue
ci-openbsd-setuid 2021/06/11 02:48 openbsd daca582a2cbb 1ba81399 .config log report panic: mutex ADDR not held in knote_dequeue
ci-openbsd-setuid 2021/06/11 02:47 openbsd daca582a2cbb 1ba81399 .config log report panic: mutex ADDR not held in knote_dequeue
ci-openbsd-setuid 2021/06/11 02:47 openbsd daca582a2cbb 1ba81399 .config log report panic: mutex ADDR not held in knote_dequeue
ci-openbsd-setuid 2021/06/11 02:44 openbsd daca582a2cbb 1ba81399 .config log report panic: mutex ADDR not held in knote_dequeue
ci-openbsd-setuid 2021/06/11 02:44 openbsd daca582a2cbb 1ba81399 .config log report panic: mutex ADDR not held in knote_dequeue
ci-openbsd-setuid 2021/06/11 02:43 openbsd daca582a2cbb 1ba81399 .config log report panic: mutex ADDR not held in knote_dequeue
ci-openbsd-multicore 2021/06/11 02:40 openbsd daca582a2cbb 1ba81399 .config log report panic: mutex ADDR not held in knote_dequeue
ci-openbsd-multicore 2021/06/11 02:36 openbsd daca582a2cbb 1ba81399 .config log report panic: mutex ADDR not held in knote_dequeue
ci-openbsd-multicore 2021/06/11 02:34 openbsd daca582a2cbb 1ba81399 .config log report panic: mutex ADDR not held in knote_dequeue