login: uvm_fault(0xffffffff83a72678, 0xffff800020ab2100, 0, 2) -> d
kernel: page fault trap, code=2
Stopped at      memcpy+0x19:    repe movsq      (%rsi),%es:(%rdi)
    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
*433857  33746      0         0x2          0    1K syz-executor
memcpy() at memcpy+0x19
ufs_inactive(ffff80002a33b5c0) at ufs_inactive+0x2e1 sys/ufs/ufs/ufs_inode.c:95
VOP_INACTIVE(fffffd806f46d610,ffff80002a2b1240) at VOP_INACTIVE+0x104 sys/kern/vfs_vops.c:498
vput(fffffd806f46d610) at vput+0xe5 sys/kern/vfs_subr.c:789
VOP_REMOVE(fffffd806f46d970,fffffd806f46d610,ffff80002a33b728) at VOP_REMOVE+0x199 sys/kern/vfs_vops.c:336
dounlinkat(ffff80002a2b1240,ffffff9c,726fe46719e0,0) at dounlinkat+0x1c4 sys/kern/vfs_syscalls.c:1923
syscall(ffff80002a33b8a0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a33b8a0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x726fe4671e90, count: 7
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
*cpu1: uvm_fault(0xffffffff83a72678, 0xffff800020ab2100, 0, 2) -> d
ddb{1}> trace
memcpy() at memcpy+0x19
ufs_inactive(ffff80002a33b5c0) at ufs_inactive+0x2e1 sys/ufs/ufs/ufs_inode.c:95
VOP_INACTIVE(fffffd806f46d610,ffff80002a2b1240) at VOP_INACTIVE+0x104 sys/kern/vfs_vops.c:498
vput(fffffd806f46d610) at vput+0xe5 sys/kern/vfs_subr.c:789
VOP_REMOVE(fffffd806f46d970,fffffd806f46d610,ffff80002a33b728) at VOP_REMOVE+0x199 sys/kern/vfs_vops.c:336
dounlinkat(ffff80002a2b1240,ffffff9c,726fe46719e0,0) at dounlinkat+0x1c4 sys/kern/vfs_syscalls.c:1923
syscall(ffff80002a33b8a0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a33b8a0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x726fe4671e90, count: -8
ddb{1}> show registers
rdi               0xffff800020ab2100
rsi               0xfffffd806e54e100
rbp               0xffff80002a33b550
rbx               0xffff800020ab2100
rdx                            0x100
rcx                             0x20
rax               0xffff8000299adff0
r8                0xffffffffffffffff
r9                           0x32a00    acpi_pdirpa+0x1e871
r10               0x222f6ab4b5e8b681
r11               0xffff800020ab2100
r12                            0x100
r13                              0x2
r14                                0
r15               0xfffffd806beae6b0
rip               0xffffffff81509a89    memcpy+0x19
cs                               0x8
rflags                       0x10202    __ALIGN_SIZE+0xf202
rsp               0xffff80002a33b4e8
ss                              0x10
memcpy+0x19:    repe movsq      (%rsi),%es:(%rdi)
ddb{1}> show proc
PROC (syz-executor) tid=433857 pid=33746 tcnt=1 stat=onproc
    flags process=2<EXEC> proc=0
    runpri=32, usrpri=50, slppri=32, nice=20
    wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
    forw=0xffffffffffffffff, list=0xffff8000ffffd760,0xffff80002a2b0d20
    process=0xffff8000ffff6b58 user=0xffff80002a336000, vmspace=0xfffffd806f3d63d8
    estcpu=36, cpticks=11, pctcpu=0.2, user=0, sys=11, intr=0
ddb{1}>