kern.securelevel: 0 -> 1
creating runtime link editor directory cache.
preserving editor files.
starting network daemons: sshd.
starting local daemons:.
Wed Apr  3 06:14:24 PDT 2019

OpenBSD/amd64 (ci-openbsd-multicore-5.c.syzkaller.internal) (tty00)

Warning: Permanently added '10.128.0.63' (ECDSA) to the list of known hosts.
2019/04/03 06:14:42 parsed 1 programs
2019/04/03 06:14:50 executed programs: 0
login: panic: timeout_add: to_ticks (-409500) < 0

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

    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND

* 55971  11973      0           0          0    1K syz-executor.0

db_enter() at db_enter+0x18

panic() at panic+0x174

timeout_add(ffff800020b147b0,fff9c064) at timeout_add+0x194

msleep(ffff80000091d200,ffff80000091d208,11a,ffffffff81f93f9b,fff9c064) at msleep+0xdd

bpfread(31700,ffff800020c07930,0) at bpfread+0x23f

spec_read(ffff800020c07770) at spec_read+0xfd

VOP_READ(fffffd8079ffeca0,ffff800020c07930,0,fffffd807f7c68a0) at VOP_READ+0x6f

vn_read(fffffd806d07aac0,ffff800020c07930,0) at vn_read+0x1c3

dofilereadv(ffff800020b14710,3,ffff800020c07930,0,ffff800020c07a10) at dofilereadv+0x19f

sys_read(ffff800020b14710,ffff800020c07a28,ffff800020c07a10) at sys_read+0x92

syscall(ffff800020c07ac0) at syscall+0x5b8

Xsyscall(6,0,ffffffffffffffb9,0,3,51eef76d010) at Xsyscall+0x128

end of kernel

end trace frame: 0x7f7fffff6d10, count: 3

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{1}> 

ddb{1}> set $lines = 0

ddb{1}> set $maxwidth = 0

ddb{1}> show panic

timeout_add: to_ticks (-409500) < 0

ddb{1}> trace

db_enter() at db_enter+0x18

panic() at panic+0x174

timeout_add(ffff800020b147b0,fff9c064) at timeout_add+0x194

msleep(ffff80000091d200,ffff80000091d208,11a,ffffffff81f93f9b,fff9c064) at msleep+0xdd

bpfread(31700,ffff800020c07930,0) at bpfread+0x23f

spec_read(ffff800020c07770) at spec_read+0xfd

VOP_READ(fffffd8079ffeca0,ffff800020c07930,0,fffffd807f7c68a0) at VOP_READ+0x6f

vn_read(fffffd806d07aac0,ffff800020c07930,0) at vn_read+0x1c3

dofilereadv(ffff800020b14710,3,ffff800020c07930,0,ffff800020c07a10) at dofilereadv+0x19f

sys_read(ffff800020b14710,ffff800020c07a28,ffff800020c07a10) at sys_read+0x92

syscall(ffff800020c07ac0) at syscall+0x5b8

Xsyscall(6,0,ffffffffffffffb9,0,3,51eef76d010) at Xsyscall+0x128

end of kernel

end trace frame: 0x7f7fffff6d10, count: -12

ddb{1}> show registers

rdi                                0

rsi                              0x1

rbp               0xffff800020c07490

rbx               0xffff800020c07540

rdx               0xffffffff81f8bb72    apollo_pio_rec+0x9b0d

rcx                            0x201

rax                              0x1

r8                0xffffffff8106e1a3    kprintf+0x183

r9                               0x1

r10               0x3aa8478f1a253452

r11               0xf8230309f0bb2bda

r12                     0x3000000008

r13               0xffff800020c074a0

r14                            0x100

r15                              0x1

rip               0xffffffff819c3ce8    db_enter+0x18

cs                               0x8

rflags                         0x246

rsp               0xffff800020c07480

ss                              0x10

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

ddb{1}> show proc

PROC (syz-executor.0) pid=55971 stat=onproc

    flags process=0 proc=0

    pri=26, usrpri=52, nice=20

    forw=0x0, list=0xffff800020b144b8,0xffffffff823811f0

    process=0xffff800020b8d3c8 user=0xffff800020c02000, vmspace=0xfffffd807effeb40

    estcpu=21, cpticks=0, pctcpu=0.0

    user=0, sys=0, intr=0

ddb{1}>