On Mon, Mar 16, 2020 at 11:52 PM Will Deacon <will@xxxxxxxxxx> wrote: > > On Tue, Mar 10, 2020 at 09:01:18AM -0700, Kees Cook wrote: > > On Tue, Mar 10, 2020 at 02:39:01AM -0700, syzbot wrote: > > > syzbot has bisected this bug to: > > > > > > commit fb041bb7c0a918b95c6889fc965cdc4a75b4c0ca > > > Author: Will Deacon <will@xxxxxxxxxx> > > > Date: Thu Nov 21 11:59:00 2019 +0000 > > > > > > locking/refcount: Consolidate implementations of refcount_t > > > > I suspect this is just bisecting to here because it made the refcount > > checks more strict? > > Yes, this is the commit that enables full refcount checking for all > architectures unconditionally, so it's the canary in the coalmine rather > than the source of the problem. Yes, I tracked it down. And sent out a fix: https://lore.kernel.org/netdev/1584330804-18477-1-git-send-email-hqjagain@xxxxxxxxx > > Will
