kern.securelevel: 0 -> 1
creating runtime link editor directory cache.
preserving editor files.
starting network daemons: sshd.
starting local daemons:.
Fri Jan 25 05:01:20 PST 2019

OpenBSD/amd64 (ci-openbsd-setuid-8.c.syzkaller.internal) (tty00)

Warning: Permanently added '10.128.10.56' (ECDSA) to the list of known hosts.
2019/01/25 05:01:47 parsed 1 programs
2019/01/25 05:01:52 executed programs: 0
2019/01/25 05:01:57 executed programs: 271
login: Thread 0xffff800020b92270 exiting with the following locks held:

exclusive rrwlock inode r = 0 (0xfffffd806bfd15f8) locked @ /syzkaller/managers/setuid/kernel/sys/ufs/ufs/ufs_vnops.c:1547

panic: Thread 0xffff800020b92270 cannot exit while holding sleeplocks


Stopped at      db_enter+0x18:  addq    $0x8,%rsp

    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND

 270548  30025  32767        0x10      0x480    1  syz-executor1

*437706   2930      0     0x14000      0x200    0  reaper

db_enter() at db_enter+0x18

panic() at panic+0x16c

witness_thread_exit(dc844db7986d77fb) at witness_thread_exit+0x244

reaper(0) at reaper+0x14f

end trace frame: 0x0, count: 11

https://www.openbsd.org/ddb.html describes the minimum info required in bug

reports.  Insufficient info makes it difficult to find and fix bugs.

ddb{0}> 

ddb{0}> set $lines = 0

ddb{0}> show panic

Thread 0xffff800020b92270 cannot exit while holding sleeplocks


ddb{0}> trace

db_enter() at db_enter+0x18

panic() at panic+0x16c

witness_thread_exit(dc844db7986d77fb) at witness_thread_exit+0x244

reaper(0) at reaper+0x14f

end trace frame: 0x0, count: -4

ddb{0}>