Re: [PATCH 10/12] iwlwifi: Track scan_cmd allocation size explicitly
From: Kalle Valo
Date: Thu Sep 22 2022 - 00:19:14 EST
Kees Cook <keescook@xxxxxxxxxxxx> writes:
> In preparation for reducing the use of ksize(), explicitly track the
> size of scan_cmd allocations. This also allows for noticing if the scan
> size changes unexpectedly. Note that using ksize() was already incorrect
> here, in the sense that ksize() would not match the actual allocation
> size, which would trigger future run-time allocation bounds checking.
> (In other words, memset() may know how large scan_cmd was allocated for,
> but ksize() will return the upper bounds of the actually allocated memory,
> causing a run-time warning about an overflow.)
>
> Cc: Gregory Greenman <gregory.greenman@xxxxxxxxx>
> Cc: Kalle Valo <kvalo@xxxxxxxxxx>
> Cc: Johannes Berg <johannes.berg@xxxxxxxxx>
> Cc: linux-wireless@xxxxxxxxxxxxxxx
> Cc: netdev@xxxxxxxxxxxxxxx
> Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>
Via which tree is this iwlwifi patch going? Normally via wireless-next
or something else?
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