r0 = openat$hpet(0xffffffffffffff9c, &(0x7f0000000ac0), 0x0, 0x0)
mmap$IORING_OFF_CQ_RING(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x13, r0, 0x8000000)