uvm_fault(0xffffffff83504770, 0xffff800028ff2004, 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
*234397  43764      0      0x2004  0x4000000    0K syz-executor
ufs_lookup() at ufs_lookup+0x5e1 sys/ufs/ufs/ufs_lookup.c:279
VOP_LOOKUP(fffffd8058a28d00,ffff80002a0ac298,ffff80002a0ac2c8) at VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85
vfs_lookup(ffff80002a0ac268) at vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566
namei(ffff80002a0ac268) at namei+0x7aa sys/kern/vfs_lookup.c:250
check_exec(ffff8000fffeaf68,ffff80002a0ac318) at check_exec+0x81 sys/kern/kern_exec.c:136
sys_execve(ffff8000fffeaf68,ffff80002a0ac7e0,ffff80002a0ac730) at sys_execve+0x199 sys/kern/kern_exec.c:311
syscall(ffff80002a0ac7e0) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline]
syscall(ffff80002a0ac7e0) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xab4010526e0, count: 7
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