r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./file1\x00', 0x882c2, 0x0)
r1 = socket$packet(0x11, 0x3, 0x300)
mmap(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x0, 0x1f012, r0, 0x0)
r2 = socket$packet(0x11, 0x3, 0x300)
copy_file_range(r2, 0x0, r1, &(0x7f0000000080), 0x0, 0x0)