r0 = syz_io_uring_setup(0x879, &(0x7f0000000140), &(0x7f0000ffb000/0x4000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000000080)=<r1=>0x0, &(0x7f0000000200)=<r2=>0x0)
syz_io_uring_submit(r1, r2, &(0x7f0000000040)=@IORING_OP_READ_FIXED={0x4, 0x0, 0x0, @fd_index}, 0x0)
r3 = socket$inet6_tcp(0xa, 0x1, 0x0)
syz_io_uring_submit(r1, r2, &(0x7f0000000000)=@IORING_OP_CONNECT={0x10, 0x0, 0x0, r3, 0x80, &(0x7f0000000280)=@l2tp6={0xa, 0x0, 0x0, @dev, 0x4}}, 0x0)
io_uring_enter(r0, 0x76d2, 0x0, 0x0, 0x0, 0x0)