syzbot


freebsd boot error: panic: sched_pickcpu: Failed to find a cpu.

Status: fixed on 2019/09/26 02:14
Reported-by: syzbot+0e1e04a6013d8a28a0ea@syzkaller.appspotmail.com
Fix commit: 967c0718849e Fix wrong assertion in r352658.
First crash: 1230d, last: 1230d

Sample crash report:
panic: sched_pickcpu: Failed to find a cpu.
cpuid = 0
time = 1
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xffffffff82e047a0
vpanic() at vpanic+0x1e0/frame 0xffffffff82e04800
panic() at panic+0x43/frame 0xffffffff82e04860
sched_pickcpu() at sched_pickcpu+0x8b9/frame 0xffffffff82e04950
sched_add() at sched_add+0xaa/frame 0xffffffff82e04990
gtaskqueue_start_threads() at gtaskqueue_start_threads+0x144/frame 0xffffffff82e04a30
taskqgroup_cpu_create() at taskqgroup_cpu_create+0x14e/frame 0xffffffff82e04a70
taskqgroup_adjust() at taskqgroup_adjust+0x256/frame 0xffffffff82e04b00
mi_startup() at mi_startup+0x3ec/frame 0xffffffff82e04b70
btext() at btext+0x2c
KDB: enter: panic
[ thread pid 0 tid 100000 ]
Stopped at      kdb_enter+0x6a: movq    $0,kdb_why
db> 

Crashes (30):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets Title
ci-freebsd-main 2019/09/25 08:56 freebsd 5969ef3c8c81 e38a6630 console log report
ci-freebsd-main 2019/09/25 08:56 freebsd 5969ef3c8c81 e38a6630 console log report
ci-freebsd-main 2019/09/25 08:56 freebsd 5969ef3c8c81 e38a6630 console log report
ci-freebsd-main 2019/09/25 08:10 freebsd eb5956c3d844 e38a6630 console log report
ci-freebsd-main 2019/09/25 08:10 freebsd eb5956c3d844 e38a6630 console log report
ci-freebsd-main 2019/09/25 08:10 freebsd eb5956c3d844 e38a6630 console log report
ci-freebsd-main 2019/09/25 03:38 freebsd bbbbd9c36164 e38a6630 console log report
ci-freebsd-main 2019/09/25 03:38 freebsd bbbbd9c36164 e38a6630 console log report
ci-freebsd-main 2019/09/25 03:38 freebsd bbbbd9c36164 e38a6630 console log report
ci-freebsd-main 2019/09/25 02:47 freebsd 53af0efd39b1 e38a6630 console log report
ci-freebsd-main 2019/09/25 02:47 freebsd 53af0efd39b1 e38a6630 console log report
ci-freebsd-main 2019/09/25 02:47 freebsd 53af0efd39b1 e38a6630 console log report
ci-freebsd-main 2019/09/25 02:08 freebsd c9cf854b0aee e38a6630 console log report
ci-freebsd-main 2019/09/25 02:08 freebsd c9cf854b0aee e38a6630 console log report
ci-freebsd-main 2019/09/25 02:08 freebsd c9cf854b0aee e38a6630 console log report
ci-freebsd-i386 2019/09/25 09:18 freebsd 5969ef3c8c81 e38a6630 console log report
ci-freebsd-i386 2019/09/25 09:18 freebsd 5969ef3c8c81 e38a6630 console log report
ci-freebsd-i386 2019/09/25 09:18 freebsd 5969ef3c8c81 e38a6630 console log report
ci-freebsd-i386 2019/09/25 08:30 freebsd eb5956c3d844 e38a6630 console log report
ci-freebsd-i386 2019/09/25 08:30 freebsd eb5956c3d844 e38a6630 console log report
ci-freebsd-i386 2019/09/25 08:30 freebsd eb5956c3d844 e38a6630 console log report
ci-freebsd-i386 2019/09/25 03:58 freebsd bbbbd9c36164 e38a6630 console log report
ci-freebsd-i386 2019/09/25 03:58 freebsd bbbbd9c36164 e38a6630 console log report
ci-freebsd-i386 2019/09/25 03:58 freebsd bbbbd9c36164 e38a6630 console log report
ci-freebsd-i386 2019/09/25 03:06 freebsd 53af0efd39b1 e38a6630 console log report
ci-freebsd-i386 2019/09/25 03:06 freebsd 53af0efd39b1 e38a6630 console log report
ci-freebsd-i386 2019/09/25 03:06 freebsd 53af0efd39b1 e38a6630 console log report
ci-freebsd-i386 2019/09/25 02:28 freebsd c9cf854b0aee e38a6630 console log report
ci-freebsd-i386 2019/09/25 02:28 freebsd c9cf854b0aee e38a6630 console log report
ci-freebsd-i386 2019/09/25 02:28 freebsd c9cf854b0aee e38a6630 console log report
* Struck through repros no longer work on HEAD.