uvm_fault(0xffffffff83a77a80, 0xffff800025fe2038, 0, 1) -> d
kernel: page fault trap, code=0
Stopped at      ffs2_balloc+0xa0d:      movq    0(%rcx,%rax,8),%r14
    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
  15817  34552      0           0          0    0  syz-executor
* 34329  84517      0      0x1000  0x4080000    1K syz-executor
ffs2_balloc(fffffd806c663710,8400e04000,4000,fffffd80097fd270,2,ffff80002a26a448) at ffs2_balloc+0xa0d sys/ufs/ffs/ffs_balloc.c:614
ffs_write(ffff80002a26a4d0) at ffs_write+0x4f9 sys/ufs/ffs/ffs_vnops.c:345
VOP_WRITE(fffffd806af00cf0,ffff80002a26a688,7,fffffd80097fd270) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245
vn_write(fffffd806250e370,ffff80002a26a688,0) at vn_write+0x1d3 sys/kern/vfs_vnops.c:414
dofilewritev(ffff80002a2322a8,9,ffff80002a26a688,0,ffff80002a26a740) at dofilewritev+0x2bd sys/kern/sys_generic.c:384
sys_write(ffff80002a2322a8,ffff80002a26a7f0,ffff80002a26a740) at sys_write+0xa2 sys/kern/sys_generic.c:300
syscall(ffff80002a26a7f0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a26a7f0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x15af7477390, 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}>