r0 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000040)='pagemap\x00')
readv(r0, &(0x7f0000000300)=[{&(0x7f0000000080)=""/248, 0xf8}, {&(0x7f0000000000)=""/48, 0x30}], 0x2)