mremap(&(0x7f0000ffc000/0x2000)=nil, 0x2000, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil)
mmap$IORING_OFF_CQ_RING(&(0x7f0000ffd000/0x1000)=nil, 0x1000, 0x0, 0x1b7d0fbf0b5ad831, 0xffffffffffffffff, 0x8000000)