Apparently even with this (certainly correct) patch attached, users are still experiencing problems. Bug hunting continues, and I'll report back if I figure something out.
- [PATCH] ipv6: Properly check reference count flag befor... Jason A. Donenfeld
- Re: [PATCH] ipv6: Properly check reference count f... Petr Vorel
- Re: [PATCH] ipv6: Properly check reference cou... Jason A. Donenfeld
- Re: [PATCH] ipv6: Properly check reference cou... Eric Dumazet