r0 = syz_open_procfs(0x0, &(0x7f0000000040)='pagemap\x00')
ioctl$PERF_EVENT_IOC_PERIOD(0xffffffffffffffff, 0x40082404, 0x0)
read$ptp(r0, &(0x7f0000000000)=""/4096, 0x1000)