mmap$IORING_OFF_SQ_RING(&(0x7f0000fff000/0x1000)=nil, 0x1000, 0x4, 0x10031, 0xffffffffffffffff, 0x0)
mlock2(&(0x7f0000ffd000/0x3000)=nil, 0x3000, 0x0)
munmap(&(0x7f0000ffd000/0x3000)=nil, 0x3000)