Re: [syzbot] [overlayfs?] possible deadlock in seq_read_iter (2)

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On Sat, Jan 27, 2024 at 4:28 AM syzbot
<syzbot+da4f9f61f96525c62cc7@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote:
>
> syzbot suspects this issue was fixed by commit:
>
> commit da40448ce4eb4de18eb7b0db61dddece32677939
> Author: Amir Goldstein <amir73il@xxxxxxxxx>
> Date:   Thu Nov 30 14:16:23 2023 +0000
>
>     fs: move file_start_write() into direct_splice_actor()
>
> bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=105aa1a0180000
> start commit:   2cf4f94d8e86 Merge tag 'scsi-fixes' of git://git.kernel.or..
> git tree:       upstream
> kernel config:  https://syzkaller.appspot.com/x/.config?x=e5751b3a2226135d
> dashboard link: https://syzkaller.appspot.com/bug?extid=da4f9f61f96525c62cc7
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=176a4f49e80000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=154aa8d6e80000
>
> If the result looks correct, please mark the issue as fixed by replying with:
>
> #syz fix: fs: move file_start_write() into direct_splice_actor()

Yes. I already wrote that this work is going to fix this repro
as well as other potential deadlocks.

#syz fix: fs: move file_start_write() into direct_splice_actor()

Thanks,
Amir.





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