From: Kees Cook <keescook@chromium.org>
To: Sami Tolvanen <samitolvanen@google.com>
Cc: Johannes Berg <johannes@sipsolutions.net>,
"David S. Miller" <davem@davemloft.net>,
Jakub Kicinski <kuba@kernel.org>,
linux-wireless@vger.kernel.org, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org, Sedat Dilek <sedat.dilek@gmail.com>
Subject: Re: [PATCH net] cfg80211: fix callback type mismatches in wext-compat
Date: Fri, 20 Nov 2020 11:18:17 -0800 [thread overview]
Message-ID: <202011201118.8F1A488@keescook> (raw)
In-Reply-To: <20201117205902.405316-1-samitolvanen@google.com>
On Tue, Nov 17, 2020 at 12:59:02PM -0800, Sami Tolvanen wrote:
> Instead of casting callback functions to type iw_handler, which trips
> indirect call checking with Clang's Control-Flow Integrity (CFI), add
> stub functions with the correct function type for the callbacks.
>
> Reported-by: Sedat Dilek <sedat.dilek@gmail.com>
> Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
--
Kees Cook
prev parent reply other threads:[~2020-11-20 19:18 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-17 20:59 [PATCH net] cfg80211: fix callback type mismatches in wext-compat Sami Tolvanen
2020-11-17 21:44 ` Kees Cook
2020-11-17 22:07 ` Sami Tolvanen
2020-11-20 19:26 ` Kees Cook
2020-11-20 21:33 ` Johannes Berg
2020-11-20 19:18 ` Kees Cook [this message]
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