r0 = memfd_secret(0x0)
mmap$IORING_OFF_SQ_RING(&(0x7f0000fec000/0x14000)=nil, 0x14000, 0x0, 0x13, r0, 0x0)
madvise(&(0x7f0000ff3000/0xd000)=nil, 0xd000, 0x16)