linux-kernel - Re: [PATCH] hinic: Replace memcpy() with direct assignment

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Message-Id: <165592141229.24504.12499679747935394239.git-patchwork-notify@kernel.org>
Date:   Wed, 22 Jun 2022 18:10:12 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Kees Cook <keescook@...omium.org>
Cc:     davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
        pabeni@...hat.com, nathan@...nel.org, ndesaulniers@...gle.com,
        trix@...hat.com, leon@...nel.org, jiri@...dia.com,
        olteanv@...il.com, simon.horman@...igine.com,
        netdev@...r.kernel.org, llvm@...ts.linux.dev,
        linux-kernel@...r.kernel.org, linux-hardening@...r.kernel.org
Subject: Re: [PATCH] hinic: Replace memcpy() with direct assignment

Hello:

This patch was applied to netdev/net.git (master)
by Jakub Kicinski <kuba@...nel.org>:

On Wed, 15 Jun 2022 22:23:12 -0700 you wrote:
> Under CONFIG_FORTIFY_SOURCE=y and CONFIG_UBSAN_BOUNDS=y, Clang is bugged
> here for calculating the size of the destination buffer (0x10 instead of
> 0x14). This copy is a fixed size (sizeof(struct fw_section_info_st)), with
> the source and dest being struct fw_section_info_st, so the memcpy should
> be safe, assuming the index is within bounds, which is UBSAN_BOUNDS's
> responsibility to figure out.
> 
> [...]

Here is the summary with links:
  - hinic: Replace memcpy() with direct assignment
    https://git.kernel.org/netdev/net/c/1e70212e0315

You are awesome, thank you!
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