Re: possible deadlock in mnt_want_write

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On Sat, Nov 7, 2020 at 1:10 PM syzbot
<syzbot+ae82084b07d0297e566b@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote:
>
> syzbot suspects this issue was fixed by commit:
>
> commit 146d62e5a5867fbf84490d82455718bfb10fe824
> Author: Amir Goldstein <amir73il@xxxxxxxxx>
> Date:   Thu Apr 18 14:42:08 2019 +0000
>
>     ovl: detect overlapping layers
>
> bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=11e40184500000
> start commit:   6d906f99 Merge tag 'arm64-fixes' of git://git.kernel.org/p..
> git tree:       upstream
> kernel config:  https://syzkaller.appspot.com/x/.config?x=856fc6d0fbbeede9
> dashboard link: https://syzkaller.appspot.com/bug?extid=ae82084b07d0297e566b
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=111767b7200000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=1611ab2d200000
>
> If the result looks correct, please mark the issue as fixed by replying with:
>
> #syz fix: ovl: detect overlapping layers
>
> For information about bisection process see: https://goo.gl/tpsmEJ#bisection

#syz fix: ovl: detect overlapping layers



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