uvm_fault(0xffffffff839da418, 0xffff800023ad2018, 0, 1) -> d
kernel: page fault trap, code=0
Stopped at      ufs_direnter+0x23b:     movl    0(%r14),%r15d
    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
*100028  68095      0           0  0x4000000    0  syz-executor
 428942  85427      0         0x2          0    1  syz-executor
ufs_direnter(fffffd8063031cd0,fffffd8063031028,ffff80002a2802e8,ffff80002a280648,0) at ufs_direnter+0x23b sys/ufs/ufs/ufs_lookup.c:764
ufs_makeinode(2000,fffffd8063031cd0,ffff80002a280618,ffff80002a280648) at ufs_makeinode+0x51b sys/ufs/ufs/ufs_vnops.c:1768
ufs_mknod(ffff80002a2804c0) at ufs_mknod+0x5b sys/ufs/ufs/ufs_vnops.c:167
VOP_MKNOD(fffffd8063031cd0,ffff80002a280618,ffff80002a280648,ffff80002a280548) at VOP_MKNOD+0x101 sys/kern/vfs_vops.c:121
domknodat(ffff80002a232fa0,ffffff9c,200000000000,2000,5900) at domknodat+0x469 sys/kern/vfs_syscalls.c:1659
syscall(ffff80002a2807e0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a2807e0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x4ea2a1b70, 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}>