Re: [syzbot] [xfs?] KASAN: stack-out-of-bounds Read in xfs_buf_delwri_submit_buffers

From: Aleksandr Nogikh
Date: Tue Sep 12 2023 - 12:36:07 EST


Hmm, no, this might have caused the reproducer to stop working, but it
has nothing to do with the actual issue.

Please ignore the bisection result.

This commit has been popping up quite a number of times already. I'll
add it to the syzbot's ignore list.

On Tue, Sep 12, 2023 at 6:09 PM syzbot
<syzbot+d2cdeba65d32ed1d2c4d@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote:
>
> syzbot suspects this issue was fixed by commit:
>
> commit d772781964415c63759572b917e21c4f7ec08d9f
> Author: Jakub Kicinski <kuba@xxxxxxxxxx>
> Date: Fri Jan 6 06:33:54 2023 +0000
>
> devlink: bump the instance index directly when iterating
>
> bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=15554ba4680000
> start commit: 3ecc37918c80 Merge tag 'media/v6.1-4' of git://git.kernel...
> git tree: upstream
> kernel config: https://syzkaller.appspot.com/x/.config?x=d58e7fe7f9cf5e24
> dashboard link: https://syzkaller.appspot.com/bug?extid=d2cdeba65d32ed1d2c4d
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=170a950b880000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1625948f880000
>
> If the result looks correct, please mark the issue as fixed by replying with:
>
> #syz fix: devlink: bump the instance index directly when iterating
>
> For information about bisection process see: https://goo.gl/tpsmEJ#bisection
>
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