setsockopt$inet_buf(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0)
sendmmsg$inet6(0xffffffffffffffff, 0x0, 0x0, 0x0)
signalfd(0xffffffffffffffff, 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0)
r1 = socket$inet6_tcp(0xa, 0x1, 0x0)
bind$inet6(r1, &(0x7f00000000c0)={0xa, 0x4e20, 0x0, @loopback}, 0x1c)
connect$inet6(r1, &(0x7f0000000000)={0xa, 0x4e20, 0x0, @loopback}, 0x1c)
sendfile(r1, r0, 0x0, 0x500000001)
recvfrom$inet6(r1, 0x0, 0x0, 0x20, 0x0, 0x0)