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Re: [PATCH] iwlwifi: mvm: check return value of rs_rate_from_ucode_rate()

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Luca Coelho <luca@xxxxxxxxx> wrote:

> From: Luca Coelho <luciano.coelho@xxxxxxxxx>
> 
> The rs_rate_from_ucode_rate() function may return -EINVAL if the rate
> is invalid, but none of the callsites check for the error, potentially
> making us access arrays with index IWL_RATE_INVALID, which is larger
> than the arrays, causing an out-of-bounds access.  This will trigger
> KASAN warnings, such as the one reported in the bugzilla issue
> mentioned below.
> 
> This fixes https://bugzilla.kernel.org/show_bug.cgi?id=200659
> 
> Cc: stable@xxxxxxxxxxxxxxx
> Signed-off-by: Luca Coelho <luciano.coelho@xxxxxxxxx>

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

3d71c3f1f50c iwlwifi: mvm: check return value of rs_rate_from_ucode_rate()

-- 
https://patchwork.kernel.org/patch/10639957/

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




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