r0 = socket$inet6_udplite(0xa, 0x2, 0x88)
setsockopt$inet6_group_source_req(r0, 0x29, 0x2e, &(0x7f0000000000)={0x0, {{0xa, 0x0, 0x0, @mcast1={0xff, 0x5}}}, {{0xa, 0x0, 0x0, @ipv4={'\x00', '\xff\xff', @initdev={0xac, 0x1e, 0x0, 0x0}}}}}, 0x108)
r1 = syz_open_procfs(0x0, &(0x7f0000000040)='net/mcfilter6\x00')
pread64(r1, &(0x7f0000000080)=""/4095, 0xfff, 0x5b)