syzbot


netbsd boot error: panic: LOCKDEBUG: Mutex error: mutex_vector_enter,514: spin lock held

Status: closed as invalid on 2020/05/14 11:13
Reported-by: syzbot+e3be1d59f451bda5b95c@syzkaller.appspotmail.com
First crash: 1675d, last: 1672d

Sample crash report:
[   4.6222970] panic: LOCKDEBUG: Mutex error: mutex_vector_enter,514: spin lock held
[   4.6222970] cpu0: Begin traceback...
[   4.6222970] vpanic() at netbsd:vpanic+0x7c1 sys/kern/subr_prf.c:334
[   4.6222970] panic() at netbsd:panic+0x1ad sys/kern/subr_prf.c:255
[   4.6222970] lockdebug_abort1() at netbsd:lockdebug_abort1+0xd12
[   4.6222970] mutex_enter() at netbsd:mutex_enter+0x5e4 sys/kern/kern_mutex.c:517
[   4.6222970] vmem_rehash_all() at netbsd:vmem_rehash_all+0x6df sys/kern/subr_vmem.c:1437
[   4.6222970] workqueue_worker() at netbsd:workqueue_worker+0x3d0 workqueue_runlist sys/kern/subr_workqueue.c:104 [inline]
[   4.6222970] workqueue_worker() at netbsd:workqueue_worker+0x3d0 sys/kern/subr_workqueue.c:133
[   4.6222970] cpu0: End traceback...
[   4.6222970] fatal breakpoint trap in supervisor mode
[   4.6222970] trap type 1 code 0 rip 0xffffffff8022025d cs 0x8 rflags 0x246 cr2 0x7589bcccd5a8 ilevel 0x8 rsp 0xffffa1807a1e9920
[   4.6222970] curlwp 0xffffa18010c79280 pid 0.29 lowest kstack 0xffffa1807a1e22c0
Stopped in pid 0.29 (system) at netbsd:breakpoint+0x5:  leave
db{0}> 

Crashes (3):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2020/04/24 04:20 netbsd e36d3a5d47a6 03d97a1b .config console log report ci2-netbsd-kmsan
2020/04/21 14:22 netbsd b58b1958d12b f20434a8 .config console log report ci2-netbsd
2020/04/21 08:45 netbsd 071ae129d7c1 98a9f9e6 .config console log report ci2-netbsd-kmsan
* Struck through repros no longer work on HEAD.