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SubjectRe: [PATCH] wifi: ath: Silence memcpy run-time false positive warning
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Kees Cook <keescook@chromium.org> wrote:

> The memcpy() in ath_key_config() was attempting to write across
> neighboring struct members in struct ath_keyval. Introduce a wrapping
> struct_group, kv_values, to be the addressable target of the memcpy
> without overflowing an individual member. Silences the false positive
> run-time warning:
>
> memcpy: detected field-spanning write (size 32) of single field "hk.kv_val" at drivers/net/wireless/ath/key.c:506 (size 16)
>
> Link: https://bbs.archlinux.org/viewtopic.php?id=282254
> Cc: Kalle Valo <kvalo@kernel.org>
> Cc: "David S. Miller" <davem@davemloft.net>
> Cc: Eric Dumazet <edumazet@google.com>
> Cc: Jakub Kicinski <kuba@kernel.org>
> Cc: Paolo Abeni <pabeni@redhat.com>
> Cc: linux-wireless@vger.kernel.org
> Cc: netdev@vger.kernel.org
> Signed-off-by: Kees Cook <keescook@chromium.org>
> Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>

Patch applied to ath-next branch of ath.git, thanks.

bfcc8ba45eb8 wifi: ath: Silence memcpy run-time false positive warning

--
https://patchwork.kernel.org/project/linux-wireless/patch/20230210054310.never.554-kees@kernel.org/

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

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