r0 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$inet6(r0, &(0x7f0000000540)={0xa, 0x0, 0x0, @dev, 0x2}, 0x1c)
r1 = socket$packet(0x11, 0x2, 0x300)
r2 = socket$inet_icmp_raw(0x2, 0x3, 0x1)
r3 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a)
ioctl$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f0000000140)={'syz_tun\x00', <r4=>0x0})
sendmmsg$inet(r2, &(0x7f0000002040)=[{{&(0x7f0000000380)={0x2, 0x0, @multicast1}, 0x10, &(0x7f0000001600)=[{&(0x7f00000003c0)="db9c", 0xffe7}], 0x1, &(0x7f0000001640)=ANY=[@ANYBLOB="14000000000000000000000007000000c4048f01000000001c000000000000000000000008000000", @ANYRES32=r4], 0x38}}], 0x1, 0x0)
setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f00000000c0)={0x0, 0x3}, 0x4)
sendmmsg$inet6(r0, &(0x7f0000004d00)=[{{0x0, 0x11, &(0x7f00000004c0)=[{&(0x7f0000000080)='K', 0x1}], 0x1, 0x0, 0x0, 0x3}, 0x200000}], 0x7ffff000, 0x400000000000000)