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Date:   Tue, 27 Sep 2022 14:50:16 +0000
To:     Kees Cook <>
Subject: Re: [PATCH] NFC: hci: Split memcpy() of struct hcp_message flexible array


This patch was applied to netdev/net-next.git (master)
by Jakub Kicinski <>:

On Fri, 23 Sep 2022 21:08:35 -0700 you wrote:
> To work around a misbehavior of the compiler's ability to see into
> composite flexible array structs (as detailed in the coming memcpy()
> hardening series[1]), split the memcpy() of the header and the payload
> so no false positive run-time overflow warning will be generated. This
> split already existed for the "firstfrag" case, so just generalize the
> logic further.
> [...]

Here is the summary with links:
  - NFC: hci: Split memcpy() of struct hcp_message flexible array

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