r0 = socket$inet6_tcp(0xa, 0x1, 0x0)
bind$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @loopback}, 0x1c)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./file1\x00', 0x882c2, 0x0)
fallocate(r1, 0x0, 0x0, 0x1000002)
mmap(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x1000009, 0x1f012, r1, 0x0)
connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @empty}, 0x1c)