uvm_fault(0xffffffff839c6698, 0xffff800026732004, 0, 1) -> d
kernel: page fault trap, code=0
Stopped at      ufs_readdir+0x26e:      movzwl  0x4(%r14),%ebx
    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
*266937  30670      0         0x2          0    0  syz-executor
ufs_readdir(ffff80002a7d31a0) at ufs_readdir+0x26e sys/ufs/ufs/ufs_vnops.c:1397
VOP_READDIR(fffffd807e8dc2e8,ffff80002a7d3228,fffffd8007ffd7b8,ffff80002a7d326c) at VOP_READDIR+0x125 sys/kern/vfs_vops.c:453
sys_getdents(ffff80002a778010,ffff80002a7d33b0,ffff80002a7d3300) at sys_getdents+0x2dd sys/kern/vfs_syscalls.c:3219
syscall(ffff80002a7d33b0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80002a7d33b0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x734b9bc950b0, count: 10
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