uvm_fault(0xffffffff839feec0, 0xffff800024b82004, 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
*451625  99211      0         0x2          0    0  syz-executor
ufs_readdir(ffff80002a8858f0) at ufs_readdir+0x26e sys/ufs/ufs/ufs_vnops.c:1397
VOP_READDIR(fffff5006c5e31f0,ffff80002a885978,fffff50007ffd6e8,ffff80002a8859bc) at VOP_READDIR+0x125 sys/kern/vfs_vops.c:453
sys_getdents(ffff80002a736538,ffff80002a885b00,ffff80002a885a50) at sys_getdents+0x2dd sys/kern/vfs_syscalls.c:3133
syscall(ffff80002a885b00) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80002a885b00) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x709984163190, count: 10
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