r0 = syz_io_uring_setup(0x6211, &(0x7f0000000180), &(0x7f0000ffb000/0x3000)=nil, &(0x7f0000ffc000/0x1000)=nil, &(0x7f0000000140)=<r1=>0x0, &(0x7f0000000200)=<r2=>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)={&(0x7f0000000340)=@l2tp6={0xa, 0x0, 0x0, @mcast2}, 0x80, &(0x7f0000000840)=[{&(0x7f0000001bc0)="334bd22d1ce05cf2777ae52e7513a6072ef481ba0b70dc3e6f24097f8d42e76c799f2af4dd3a2b889cb6be5524d8f40f9eb80c4fca3d7f8f1edad958f90b41d93b0500000000000000a02bad7f4a14735c119df7085031ebfcb40a8e50a1f17c7610897a737ef6457f63b06af59be4b9f89fe863cc39fae2ff9ece8a54346409", 0x80}], 0x1}}, 0x0)
io_uring_enter(r0, 0x58ab, 0x0, 0x0, 0x0, 0x0)