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 sys/dev/pv/if_vio.c:1018
end trace frame: 0xffff800020b49460, count: 0
ddb{0}> trace
vio_rxeof(ffff800000173000) at vio_rxeof+0x191 sys/dev/pv/if_vio.c:1018
vio_rx_intr(ffff800000173050) at vio_rx_intr+0x4d sys/dev/pv/if_vio.c:1054
intr_handler(ffff800020b494c0,ffff80000024db80) at intr_handler+0x8f sys/arch/amd64/amd64/intr.c:529
Xintr_ioapic_edge19_untramp() at Xintr_ioapic_edge19_untramp+0x19f
__mp_lock(ffffffff82684cb0) at __mp_lock+0x127 __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff82684cb0) at __mp_lock+0x127 sys/kern/kern_lock.c:147
pageflttrap() at pageflttrap+0x6f sys/arch/amd64/amd64/trap.c:162
usertrap(ffff800020b496a0) at usertrap+0x21a sys/arch/amd64/amd64/trap.c:369
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}>