Messages in this thread | | | From | Qiujun Huang <> | Date | Tue, 17 Mar 2020 00:25:16 +0800 | Subject | Re: WARNING: refcount bug in sctp_wfree |
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On Mon, Mar 16, 2020 at 11:52 PM Will Deacon <will@kernel.org> 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@kernel.org> > > > 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@gmail.com
> > Will
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