r0 = socket$inet6_tcp(0xa, 0x1, 0x0)
r1 = fcntl$dupfd(r0, 0x0, r0)
setsockopt$inet_buf(r1, 0x0, 0x30, &(0x7f0000000080)="ed9292d10500c210097106a64a2fadb4749faf8706120830b7ee1d8145e035ca8d349547bbd6d4bf5e2842fc1f9062c7a2a1ea49f07e85c7c7942d05e4f6496a9b959a9a7b5551379af1ea217ab4affe0503a07b7b8899ef63455ecf3afb4d0eb0a46b57a530d98043cc20bd578a64fc445adfc93b91f32acbe83e4e57e0d36e0297cd0366b0a21dc4cee0ca257f5e32", 0x90)