kern.securelevel: 0 -> 1
creating runtime link editor directory cache.
preserving editor files.
starting network daemons: sshd.
starting local daemons:.
Wed Nov 20 06:36:32 PST 2019

OpenBSD/amd64 (ci-openbsd-multicore-7.c.syzkaller.internal) (tty00)

Warning: Permanently added '10.128.15.199' (ECDSA) to the list of known hosts.
2019/11/20 06:37:03 parsed 1 programs
2019/11/20 06:37:08 executed programs: 0
2019/11/20 06:37:13 executed programs: 243
2019/11/20 06:37:18 executed programs: 506
login: uvm_fault(0xfffffd807f008b80, 0xa, 0, 1) -> e

kernel: page fault trap, code=0

Stopped at      vio_rxeof+0x191:        movzwl  0xa(%r15),%eax

ddb{0}> 

ddb{0}> set $lines = 0

ddb{0}> set $maxwidth = 0

ddb{0}> show panic

kernel page fault

uvm_fault(0xfffffd807f008b80, 0xa, 0, 1) -> e

vio_rxeof(ffff800000173000) at vio_rxeof+0x191

end trace frame: 0xffff800020b49460, count: 0

ddb{0}> trace

vio_rxeof(ffff800000173000) at vio_rxeof+0x191

vio_rx_intr(ffff800000173050) at vio_rx_intr+0x4d

intr_handler(ffff800020b494c0,ffff80000024db80) at intr_handler+0x8f

Xintr_ioapic_edge19_untramp() at Xintr_ioapic_edge19_untramp+0x19f

__mp_lock(ffffffff82684cb0) at __mp_lock+0x127

pageflttrap() at pageflttrap+0x6f

usertrap(ffff800020b496a0) at usertrap+0x21a

recall_trap() at recall_trap+0x8

end of kernel

end trace frame: 0x7f7ffffdaa50, count: -8

ddb{0}> show registers

rdi                              0xc

rsi                              0xc

rbp               0xffff800020b49400

rbx               0xffff800000173000

rdx                                0

rcx               0xffff8000001a4000

rax                              0xc

r8                               0x2

r9                                 0

r10               0x190120b82763b61c

r11               0x7a261417d422c40c

r12               0xffff80000001ce00

r13                              0xc

r14               0xfffffd807f028100

r15                                0

rip               0xffffffff81abe8c1    vio_rxeof+0x191

cs                               0x8

rflags                       0x10246    __ALIGN_SIZE+0xf246

rsp               0xffff800020b49370

ss                                 0

vio_rxeof+0x191:        movzwl  0xa(%r15),%eax

ddb{0}> show proc

PROC (syz-executor.0) pid=137361 stat=onproc

    flags process=0 proc=0

    pri=52, usrpri=52, nice=20

    forw=0xffffffffffffffff, list=0xffff800020abf650,0xffffffff8264a8f8

    process=0xffff800020add180 user=0xffff800020b44000, vmspace=0xfffffd807f008b80

    estcpu=36, cpticks=1, pctcpu=0.0

    user=0, sys=0, intr=1

ddb{0}>