From: "Jason A. Donenfeld" <Jason@xxxxxxxxx> Date: Tue, 24 Sep 2019 16:01:28 +0200 > Commit 7d9e5f422150 removed references from certain dsts, but accounting > for this never translated down into the fib6 suppression code. This bug > was triggered by WireGuard users who use wg-quick(8), which uses the > "suppress-prefix" directive to ip-rule(8) for routing all of their > internet traffic without routing loops. The test case added here > causes the reference underflow by causing packets to evaluate a suppress > rule. > > Cc: stable@xxxxxxxxxxxxxxx Please don't CC: stable for networking fixes, I handle these manually as per the netdev FAQ. > Fixes: 7d9e5f422150 ("ipv6: convert major tx path to use RT6_LOOKUP_F_DST_NOREF") > Signed-off-by: Jason A. Donenfeld <Jason@xxxxxxxxx> Applied and queued up for -stable, thanks.