Re: [PATCH 08/17] ath11k: Use memset_startat() for clearing queue descriptors

From: Kalle Valo
Date: Tue Dec 14 2021 - 01:02:21 EST


Kees Cook <keescook@xxxxxxxxxxxx> writes:

> In preparation for FORTIFY_SOURCE performing compile-time and run-time
> field bounds checking for memset(), avoid intentionally writing across
> neighboring fields.
>
> Use memset_startat() so memset() doesn't get confused about writing
> beyond the destination member that is intended to be the starting point
> of zeroing through the end of the struct. Additionally split up a later
> field-spanning memset() so that memset() can reason about the size.
>
> Cc: Kalle Valo <kvalo@xxxxxxxxxxxxxx>
> Cc: "David S. Miller" <davem@xxxxxxxxxxxxx>
> Cc: Jakub Kicinski <kuba@xxxxxxxxxx>
> Cc: ath11k@xxxxxxxxxxxxxxxxxxx
> Cc: linux-wireless@xxxxxxxxxxxxxxx
> Cc: netdev@xxxxxxxxxxxxxxx
> Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>

What's the plan for this patch? I would like to take this via my ath
tree to avoid conflicts.

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