r0 = syz_io_uring_setup(0x1083, &(0x7f00000000c0), &(0x7f0000b6a000/0x2000)=nil, &(0x7f0000800000/0x800000)=nil, &(0x7f0000000000)=<r1=>0x0, &(0x7f0000000080)=<r2=>0x0)
r3 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$inet6(r3, &(0x7f00000002c0)={0xa, 0x0, 0x0, @dev, 0x2}, 0x1c)
syz_io_uring_submit(r1, r2, &(0x7f0000000580)=@IORING_OP_CONNECT={0x10, 0x0, 0x0, r3, 0x80, &(0x7f0000000140)=@in6={0xa, 0x0, 0x0, @mcast1, 0x5}}, 0x0)
io_uring_enter(r0, 0x56aa, 0x0, 0x0, 0x0, 0x0)