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Re: [V3,1/3] brcmfmac: Avoid possible out-of-bounds read

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Kevin Cernekee <cernekee@xxxxxxxxxxxx> wrote:

> In brcmf_p2p_notify_rx_mgmt_p2p_probereq(), chanspec is assigned before
> the length of rxframe is validated.  This could lead to uninitialized
> data being accessed (but not printed).  Since we already have a
> perfectly good endian-swapped copy of rxframe->chanspec in ch.chspec,
> and ch.chspec is not modified by decchspec(), avoid the extra
> assignment and use ch.chspec in the debug print.
> 
> Suggested-by: Mattias Nissler <mnissler@xxxxxxxxxxxx>
> Signed-off-by: Kevin Cernekee <cernekee@xxxxxxxxxxxx>
> Reviewed-by: Arend van Spriel <arend.vanspriel@xxxxxxxxxxxx>

2 patches applied to wireless-drivers-next.git, thanks.

73f2c8e933b1 brcmfmac: Avoid possible out-of-bounds read
a7c9acc452b2 brcmfmac: Delete redundant length check

-- 
https://patchwork.kernel.org/patch/9954603/

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




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