r0 = syz_open_procfs(0x0, &(0x7f0000000240)='map_files\x00')
getdents64(r0, &(0x7f0000000380)=""/4096, 0x1000)
perf_event_open$cgroup(0x0, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0)