r0 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000540)={0xa, 0x0, 0x0, @dev, 0x4}, 0x1c) syz_io_uring_setup(0x1c29, &(0x7f00000002c0), &(0x7f0000ffc000/0x2000)=nil, &(0x7f0000ffc000/0x3000)=nil, &(0x7f0000000240), 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r1, &(0x7f0000000000)={0xa, 0x0, 0x0, @mcast2, 0x5}, 0x1c) sendmmsg$inet6(r1, &(0x7f0000004d00)=[{{0x0, 0x0, &(0x7f00000004c0)=[{&(0x7f0000000080)='K', 0x1}], 0x1}}], 0x7ffff000, 0x0) ioctl$sock_SIOCINQ(r1, 0x541b, &(0x7f0000000000)) sendmmsg$inet6(r0, &(0x7f0000004d00), 0x2f, 0x0)