Re: [syzbot] [f2fs?] possible deadlock in f2fs_add_inline_entry

From: Aleksandr Nogikh
Date: Thu Oct 26 2023 - 05:21:39 EST


For some still unknown reason, syzbot's bisections of fs bugs
sometimes end up in drm. There've been quite a few such cases
already..

Please ignore this bot's message.


On Thu, Oct 26, 2023 at 8:59 AM syzbot
<syzbot+a4976ce949df66b1ddf1@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote:
>
> syzbot suspects this issue was fixed by commit:
>
> commit a0e6a017ab56936c0405fe914a793b241ed25ee0
> Author: Maíra Canal <mcanal@xxxxxxxxxx>
> Date: Tue May 23 12:32:08 2023 +0000
>
> drm/vkms: Fix race-condition between the hrtimer and the atomic commit
>
> bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=166c090d680000
> start commit: 28f20a19294d Merge tag 'x86-urgent-2023-08-26' of git://gi..
> git tree: upstream
> kernel config: https://syzkaller.appspot.com/x/.config?x=21a578092dd61d05
> dashboard link: https://syzkaller.appspot.com/bug?extid=a4976ce949df66b1ddf1
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15a09340680000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=118909eba80000
>
> If the result looks correct, please mark the issue as fixed by replying with:
>
> #syz fix: drm/vkms: Fix race-condition between the hrtimer and the atomic commit
>
> For information about bisection process see: https://goo.gl/tpsmEJ#bisection
>
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