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SubjectRe: INFO: rcu detected stall in tipc_release
On Mon, Dec 21, 2020 at 10:21 AM Dmitry Vyukov <dvyukov@google.com> wrote:
>
> On Sun, Dec 20, 2020 at 10:37 AM syzbot
> <syzbot+3654c027d861c6df4b06@syzkaller.appspotmail.com> wrote:
> >
> > syzbot suspects this issue was fixed by commit:
> >
> > commit cc00bcaa589914096edef7fb87ca5cee4a166b5c
> > Author: Subash Abhinov Kasiviswanathan <subashab@codeaurora.org>
> > Date: Wed Nov 25 18:27:22 2020 +0000
> >
> > netfilter: x_tables: Switch synchronization to RCU
> >
> > bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1445cb37500000
> > start commit: 7cc2a8ea Merge tag 'block-5.8-2020-07-01' of git://git.ker..
> > git tree: upstream
> > kernel config: https://syzkaller.appspot.com/x/.config?x=7be693511b29b338
> > dashboard link: https://syzkaller.appspot.com/bug?extid=3654c027d861c6df4b06
> > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12948233100000
> > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=11344c05100000
> >
> > If the result looks correct, please mark the issue as fixed by replying with:
> >
> > #syz fix: netfilter: x_tables: Switch synchronization to RCU
> >
> > For information about bisection process see: https://goo.gl/tpsmEJ#bisection
>
> It's not immediately obvious that this is indeed the fix for this, but
> also not obvious that this is not the fix for this. Bisection log
> looks plausible.
> Was this bug in tipc fixed? Is it the fix?
> If I don't hear better suggestions I will close this bug as fixed by
> this commit later.

#syz fix: netfilter: x_tables: Switch synchronization to RCU

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