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Message-Id: <20191116.125116.355989617007258357.davem@davemloft.net>
Date: Sat, 16 Nov 2019 12:51:16 -0800 (PST)
From: David Miller <davem@...emloft.net>
To: keescook@...omium.org
Cc: aelior@...vell.com, skalluru@...vell.com,
GR-everest-linux-l2@...vell.com, samitolvanen@...gle.com,
netdev@...r.kernel.org, kernel-hardening@...ts.openwall.com,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/5] bnx2x: Remove function casts
From: Kees Cook <keescook@...omium.org>
Date: Thu, 14 Nov 2019 21:07:10 -0800
> In order to make the entire kernel usable under Clang's Control Flow
> Integrity protections, function prototype casts need to be avoided
> because this will trip CFI checks at runtime (i.e. a mismatch between
> the caller's expected function prototype and the destination function's
> prototype). Many of these cases can be found with -Wcast-function-type,
> which found that bnx2x had a bunch of needless (or at least confusing)
> function casts. This series removes them all.
Looks reasonable, series applied to net-next.
Thank you.
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