uvm_fault(0xffffffff83a92ba0, 0xffff800029732004, 0, 1) -> d
kernel: page fault trap, code=0
Stopped at      ufs_lookup+0x623:       movzwl  0x4(%r15,%r14,1),%ebx
    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
*225937  87514      0           0  0x4000000    0  syz-executor
 467651  58555      0           0          0    1  syz-executor
ufs_lookup() at ufs_lookup+0x623 sys/ufs/ufs/ufs_lookup.c:279
VOP_LOOKUP(fffffd806b370620,ffff80002a25a9c0,ffff80002a25a9f0) at VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85
vfs_lookup(ffff80002a25a990) at vfs_lookup+0x963 sys/kern/vfs_lookup.c:580
namei(ffff80002a25a990) at namei+0x7c5 sys/kern/vfs_lookup.c:250
domkdirat(ffff8000fffee018,ffffff9c,200000000180,119) at domkdirat+0x8b sys/kern/vfs_syscalls.c:3134
syscall(ffff80002a25ab70) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a25ab70) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xadd6452b870, count: 8
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{0}> 
ddb{0}> set $lines = 0
ddb{0}> set $maxwidth = 0
ddb{0}> show panic
*cpu0: uvm_fault(0xffffffff83a92ba0, 0xffff800029732004, 0, 1) -> d
ddb{0}>