From: Dmitry Vyukov <[email protected]>
To: syzbot <[email protected]>
Cc: [email protected], [email protected], [email protected],
[email protected], [email protected], [email protected],
[email protected], [email protected], [email protected],
[email protected], [email protected],
[email protected], [email protected],
[email protected], [email protected],
[email protected], [email protected]
Subject: Re: [syzbot] WARNING in __percpu_ref_exit (2)
Date: Thu, 16 Sep 2021 09:59:48 +0200 [thread overview]
Message-ID: <CACT4Y+avszKiyXYBTRus9DqeSUoGrWC8d2uEiJN3z=oYQSdz0g@mail.gmail.com> (raw)
In-Reply-To: <[email protected]>
On Mon, 13 Sept 2021 at 11:22, syzbot
<[email protected]> wrote:
>
> syzbot suspects this issue was fixed by commit:
>
> commit 43016d02cf6e46edfc4696452251d34bba0c0435
> Author: Florian Westphal <[email protected]>
> Date: Mon May 3 11:51:15 2021 +0000
>
> netfilter: arptables: use pernet ops struct during unregister
>
> bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=10acd273300000
> start commit: c98ff1d013d2 Merge tag 'scsi-fixes' of git://git.kernel.or..
> git tree: upstream
> kernel config: https://syzkaller.appspot.com/x/.config?x=1c70e618af4c2e92
> dashboard link: https://syzkaller.appspot.com/bug?extid=d6218cb2fae0b2411e9d
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=145cb2b6d00000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=157b72b1d00000
>
> If the result looks correct, please mark the issue as fixed by replying with:
>
> #syz fix: netfilter: arptables: use pernet ops struct during unregister
>
> For information about bisection process see: https://goo.gl/tpsmEJ#bisection
I guess this is a wrong commit and it was fixed by something in io_uring.
Searching for refcount fixes I see
a298232ee6b9a1d5d732aa497ff8be0d45b5bd82 "io_uring: fix link timeout
refs".
Pavel, does it look right to you?
next prev parent reply other threads:[~2021-09-16 8:00 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-15 11:58 [syzbot] WARNING in __percpu_ref_exit (2) syzbot
2021-03-15 12:18 ` Pavel Begunkov
[not found] ` <[email protected]>
2021-03-18 14:28 ` Pavel Begunkov
2021-04-18 19:30 ` syzbot
2021-04-19 12:07 ` Pavel Begunkov
2021-04-19 15:02 ` syzbot
2021-09-13 9:22 ` syzbot
2021-09-16 7:59 ` Dmitry Vyukov [this message]
2021-09-16 13:17 ` Pavel Begunkov
2021-09-16 14:01 ` syzbot
2021-09-20 8:15 ` Dmitry Vyukov
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