r0 = syz_open_procfs(0x0, &(0x7f0000000000)='pagemap\x00')
readv(r0, &(0x7f0000000040)=[{&(0x7f0000000200)=""/248, 0xf8}, {&(0x7f0000000300)=""/255, 0x7fffef0f}], 0x2)