r0 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000240)='pagemap\x00')
readv(r0, &(0x7f0000000080)=[{&(0x7f0000001480)=""/4096, 0x1000}, {&(0x7f0000000000)=""/100, 0x64}], 0x2)