r0 = memfd_create(&(0x7f0000000040)='\x00\'\'x\xe0\x1c\xaa\x00d\x88\xc4p\xb0\x89`\xe4\xc6O\xca\x1d\b6\xdd\xda\xacQB\xa7\x8d\xb7\x01Q\xc6\x0fG/\xf9\n', 0x6)
mmap(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x0, 0x1f013, r0, 0x0)
fork()
ftruncate(r0, 0x0)