uvm_fault(0xffffffff839916c8, 0xffff800028852004, 0, 1) -> d
kernel: page fault trap, code=0
Stopped at      ufs_lookup+0x613:       movzwl  0x4(%r15,%r14,1),%ebx
    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
*  1193  32232      0      0x2000  0x4000000    0  syz-executor
ufs_lookup() at ufs_lookup+0x613 sys/ufs/ufs/ufs_lookup.c:279
VOP_LOOKUP(fffffd806a572988,ffff80002a80d778,ffff80002a80d7a8) at VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85
vfs_lookup(ffff80002a80d748) at vfs_lookup+0x961 sys/kern/vfs_lookup.c:567
namei(ffff80002a80d748) at namei+0x7ca sys/kern/vfs_lookup.c:250
sys_unveil(ffff8000314c2020,ffff80002a80d920,ffff80002a80d870) at sys_unveil+0x329 sys/kern/vfs_syscalls.c:1009
syscall(ffff80002a80d920) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80002a80d920) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xb59fa2c2b00, count: 8
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