From: Kees Cook <keescook@chromium.org>
To: "Gustavo A. R. Silva" <gustavoars@kernel.org>
Cc: netdev@vger.kernel.org, bridge@lists.linux-foundation.org,
Florian Westphal <fw@strlen.de>,
linux-kernel@vger.kernel.org,
Jozsef Kadlecsik <kadlec@netfilter.org>,
coreteam@netfilter.org, netfilter-devel@vger.kernel.org,
Nikolay Aleksandrov <nikolay@nvidia.com>,
Roopa Prabhu <roopa@nvidia.com>, Jakub Kicinski <kuba@kernel.org>,
"David S. Miller" <davem@davemloft.net>,
Pablo Neira Ayuso <pablo@netfilter.org>,
linux-hardening@vger.kernel.org
Subject: Re: [Bridge] [PATCH][net-next] netfilter: ebtables: use array_size() helper in copy_{from, to}_user()
Date: Thu, 21 Oct 2021 10:00:34 -0700 [thread overview]
Message-ID: <202110210958.6626A30@keescook> (raw)
In-Reply-To: <20210928200647.GA266402@embeddedor>
On Tue, Sep 28, 2021 at 03:06:47PM -0500, Gustavo A. R. Silva wrote:
> Use array_size() helper instead of the open-coded version in
> copy_{from,to}_user(). These sorts of multiplication factors
> need to be wrapped in array_size().
>
> Link: https://github.com/KSPP/linux/issues/160
> Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Thanks!
Reviewed-by: Kees Cook <keescook@chromium.org>
I see that this is marked "Awaiting Upstream" (for an ebtables
maintainer ack?)
https://patchwork.kernel.org/project/netdevbpf/patch/20210928200647.GA266402@embeddedor/
--
Kees Cook
WARNING: multiple messages have this Message-ID (diff)
From: Kees Cook <keescook@chromium.org>
To: "Gustavo A. R. Silva" <gustavoars@kernel.org>
Cc: Pablo Neira Ayuso <pablo@netfilter.org>,
Jozsef Kadlecsik <kadlec@netfilter.org>,
Florian Westphal <fw@strlen.de>, Roopa Prabhu <roopa@nvidia.com>,
Nikolay Aleksandrov <nikolay@nvidia.com>,
"David S. Miller" <davem@davemloft.net>,
Jakub Kicinski <kuba@kernel.org>,
netfilter-devel@vger.kernel.org, coreteam@netfilter.org,
bridge@lists.linux-foundation.org, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org
Subject: Re: [PATCH][net-next] netfilter: ebtables: use array_size() helper in copy_{from,to}_user()
Date: Thu, 21 Oct 2021 10:00:34 -0700 [thread overview]
Message-ID: <202110210958.6626A30@keescook> (raw)
In-Reply-To: <20210928200647.GA266402@embeddedor>
On Tue, Sep 28, 2021 at 03:06:47PM -0500, Gustavo A. R. Silva wrote:
> Use array_size() helper instead of the open-coded version in
> copy_{from,to}_user(). These sorts of multiplication factors
> need to be wrapped in array_size().
>
> Link: https://github.com/KSPP/linux/issues/160
> Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Thanks!
Reviewed-by: Kees Cook <keescook@chromium.org>
I see that this is marked "Awaiting Upstream" (for an ebtables
maintainer ack?)
https://patchwork.kernel.org/project/netdevbpf/patch/20210928200647.GA266402@embeddedor/
--
Kees Cook
next prev parent reply other threads:[~2021-10-21 17:00 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-28 20:06 [Bridge] [PATCH][net-next] netfilter: ebtables: use array_size() helper in copy_{from, to}_user() Gustavo A. R. Silva
2021-09-28 20:06 ` [PATCH][net-next] netfilter: ebtables: use array_size() helper in copy_{from,to}_user() Gustavo A. R. Silva
2021-10-21 17:00 ` Kees Cook [this message]
2021-10-21 17:00 ` Kees Cook
2021-10-21 18:16 ` [Bridge] [PATCH][net-next] netfilter: ebtables: use array_size() helper in copy_{from, to}_user() Pablo Neira Ayuso
2021-10-21 18:16 ` [PATCH][net-next] netfilter: ebtables: use array_size() helper in copy_{from,to}_user() Pablo Neira Ayuso
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