mmap$IORING_OFF_SQ_RING(&(0x7f0000400000/0xc00000)=nil, 0xc00000, 0x0, 0x10031, 0xffffffffffffffff, 0x0)
munmap(&(0x7f0000ec4000/0x1000)=nil, 0x1000)
munmap(&(0x7f0000c84000/0x1000)=nil, 0x1000)
mlock(&(0x7f0000ffb000/0x4000)=nil, 0x4000)
mlock2(&(0x7f0000d92000/0x2000)=nil, 0x2000, 0x1)