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Re: [v3] libertas: Avoid reading past end of buffer

From Kalle Valo <kvalo@codeaurora.org>
Newsgroups linux.kernel
Subject Re: [v3] libertas: Avoid reading past end of buffer
Date 2017-05-24 15:50 +0200
Message-ID <tKEPL-2YG-5@gated-at.bofh.it> (permalink)
References <tHvJ0-4Yr-13@gated-at.bofh.it>
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Kees Cook <keescook@chromium.org> wrote:
> Using memcpy() from a string that is shorter than the length copied means
> the destination buffer is being filled with arbitrary data from the kernel
> rodata segment. Instead, redefine the stat strings to be ETH_GSTRING_LEN
> sizes, like other drivers. This lets us use a single memcpy that does not
> leak rodata contents. Additionally adjust indentation to keep checkpatch.pl
> happy.
> 
> This was found with the future CONFIG_FORTIFY_SOURCE feature.
> 
> Cc: Daniel Micay <danielmicay@gmail.com>
> Signed-off-by: Kees Cook <keescook@chromium.org>

Patch applied to wireless-drivers-next.git, thanks.

12e3c0433e8a libertas: Avoid reading past end of buffer

-- 
https://patchwork.kernel.org/patch/9727997/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches

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[PATCH v3] libertas: Avoid reading past end of buffer Kees Cook <keescook@chromium.org> - 2017-05-15 23:30 +0200
  Re: [v3] libertas: Avoid reading past end of buffer Kalle Valo <kvalo@codeaurora.org> - 2017-05-24 15:50 +0200

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