r0 = syz_io_uring_setup(0x620e, &(0x7f0000000180), &(0x7f0000ffb000/0x3000)=nil, &(0x7f0000ffc000/0x1000)=nil, &(0x7f0000000100)=0x0, &(0x7f0000000140)=0x0) r3 = syz_init_net_socket$802154_dgram(0x24, 0x2, 0x0) syz_io_uring_submit(r1, r2, &(0x7f0000000000)=@IORING_OP_SENDMSG={0x9, 0x0, 0x0, r3, 0x0, &(0x7f0000000900)={&(0x7f0000000200)=@l2tp6={0xa, 0x0, 0x0, @mcast2}, 0x80, 0x0}}, 0x0) sendmsg$802154_dgram(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000200)={0x24, @short={0x2, 0xffff}}, 0x14, 0x0}, 0x0) syz_io_uring_setup(0x3a75, &(0x7f0000000080), &(0x7f0000ffb000/0x3000)=nil, &(0x7f0000ffc000/0x1000)=nil, &(0x7f0000000200), 0x0) io_uring_enter(r0, 0x58ab, 0x0, 0x0, 0x0, 0x0)