uvm_fault(0xffffffff836190a8, 0xffff800026ab2004, 0, 1) -> d
kernel: page fault trap, code=0
Stopped at      ufs_lookup+0x5e1:       movzwl  0x4(%r15,%rbx,1),%r14d
    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
*110505  35881      0           0          0    0K syz-executor
 265041  16497      0     0x14000      0x200    1  reaper
ufs_lookup() at ufs_lookup+0x5e1 sys/ufs/ufs/ufs_lookup.c:279
VOP_LOOKUP(fffffd807d1b8480,ffff800032995608,ffff800032995638) at VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85
vfs_lookup(ffff8000329955d8) at vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566
namei(ffff8000329955d8) at namei+0x7aa sys/kern/vfs_lookup.c:250
sys_chdir(ffff8000ffff6f50,ffff8000329957b0,ffff800032995700) at sys_chdir+0x88 change_dir sys/kern/vfs_syscalls.c:839 [inline]
sys_chdir(ffff8000ffff6f50,ffff8000329957b0,ffff800032995700) at sys_chdir+0x88 sys/kern/vfs_syscalls.c:785
syscall(ffff8000329957b0) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline]
syscall(ffff8000329957b0) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x77c8d1d4af40, count: 8
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