r0 = socket$inet6_udplite(0xa, 0x2, 0x88)
setsockopt$inet6_mreq(r0, 0x29, 0x1b, &(0x7f0000000080)={@remote}, 0x14)
r1 = socket$inet6(0xa, 0x3, 0x5)
r2 = dup2(r1, r1)
setsockopt$inet6_mreq(r2, 0x29, 0x1b, &(0x7f00000001c0)={@empty}, 0x14)
r3 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='net/anycast6\x00')
preadv(r3, &(0x7f00000000c0)=[{&(0x7f0000000340)=""/256, 0x100}], 0x1, 0x3c, 0x0)