mlock(&(0x7f0000ff9000/0x4000)=nil, 0x4000)
r0 = syz_open_procfs(0xffffffffffffffff, &(0x7f00000013c0)='numa_maps\x00')
preadv(r0, &(0x7f0000000040)=[{&(0x7f0000000080)=""/75, 0x4b}], 0x1, 0x101, 0x0)