Re: [PATCH 2/3] vfs: Fix implicit conversion problem when testing overflow case

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Hi,

I noticed this patch hasn’t been merged into 6.13. Was it overlooked
or rejected?

Christian Brauner <brauner@xxxxxxxxxx> 于2024年9月25日周三 16:37写道:
>
> On Fri, 20 Sep 2024 20:28:51 +0800, Julian Sun wrote:
> > The overflow check in generic_copy_file_checks() and generic_remap_checks()
> > is now broken because the result of the addition is implicitly converted to
> > an unsigned type, which disrupts the comparison with signed numbers.
> > This caused the kernel to not return EOVERFLOW in copy_file_range()
> > call with len is set to 0xffffffffa003e45bul.
> >
> > Use the check_add_overflow() macro to fix this issue.
> >
> > [...]
>
> Applied to the vfs.misc.v6.13 branch of the vfs/vfs.git tree.
> Patches in the vfs.misc.v6.13 branch should appear in linux-next soon.
>
> Please report any outstanding bugs that were missed during review in a
> new review to the original patch series allowing us to drop it.
>
> It's encouraged to provide Acked-bys and Reviewed-bys even though the
> patch has now been applied. If possible patch trailers will be updated.
>
> Note that commit hashes shown below are subject to change due to rebase,
> trailer updates or similar. If in doubt, please check the listed branch.
>
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs.git
> branch: vfs.misc.v6.13
>
> [2/3] vfs: Fix implicit conversion problem when testing overflow case
>       https://git.kernel.org/vfs/vfs/c/8f3ab2511887



-- 
Julian Sun <sunjunchao2870@xxxxxxxxx>





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