r0 = syz_open_procfs(0x0, &(0x7f0000000180)='numa_maps\x00')
mbind(&(0x7f0000ffc000/0x2000)=nil, 0x2000, 0x1, &(0x7f0000000000)=0x21a1, 0x4, 0x0)
readv(r0, &(0x7f0000000280)=[{&(0x7f00000004c0)=""/4089, 0xff9}], 0x1)