r0 = syz_io_uring_setup(0x620e, &(0x7f0000000340)={0x0, 0xe370}, &(0x7f0000ffd000/0x1000)=nil, &(0x7f0000ffc000/0x1000)=nil, &(0x7f0000000100)=0x0, &(0x7f0000000140)=0x0) r3 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) syz_io_uring_submit(r1, r2, &(0x7f0000000000)=@IORING_OP_SENDMSG={0x9, 0x0, 0x0, r3, 0x0, &(0x7f0000000900)={&(0x7f0000000200)=@l2tp6={0xa, 0x0, 0x0, @mcast2}, 0x80, &(0x7f0000000840)=[{&(0x7f0000000300)="a63a", 0x2}], 0x1}}, 0x0) r4 = mmap$IORING_OFF_CQ_RING(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0xf, 0x13, r0, 0x8000000) syz_io_uring_submit(r4, r2, &(0x7f00000002c0)=@IORING_OP_RECVMSG={0xa, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0}, 0x80000001) io_uring_enter(r0, 0x58ab, 0x0, 0x0, 0x0, 0x0)