kern.securelevel: 0 -> 1
creating runtime link editor directory cache.
preserving editor files.
starting network daemons: sshd.
starting local daemons:.
Tue Mar  5 05:47:43 PST 2019

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

Warning: Permanently added '10.128.10.51' (ECDSA) to the list of known hosts.
2019/03/05 05:48:02 parsed 1 programs
2019/03/05 05:48:09 executed programs: 0
login: witness: thread 0xffff800020b399e0 exiting with the following locks held:

exclusive rrwlock inode r = 0 (0xfffffd806a587d58) locked @ /syzkaller/managers/multicore/kernel/sys/ufs/ufs/ufs_vnops.c:1547

#0  witness_lock+0x594

#1  _rw_enter+0x45d

#2  _rrw_enter+0x60

#3  VOP_LOCK+0x57

#4  vn_write+0x169

#5  dofilewritev+0x1b0

#6  sys_write+0x92

#7  syscall+0x5b8

#8  Xsyscall+0x128

panic: thread 0xffff800020b399e0 cannot exit while holding sleeplocks

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

    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND

*201819  83779      0     0x14000      0x200    1  reaper

db_enter() at db_enter+0x18

panic() at panic+0x174

witness_thread_exit(ffff800020b399e0) at witness_thread_exit+0x283

reaper(ffff800020ac1c20) at reaper+0x14f

end trace frame: 0x0, count: 11

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ddb{1}> set $maxwidth = 0

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