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From: Saeed Mahameed <saeed@kernel.org>
To: Kees Cook <keescook@chromium.org>
Cc: Saeed Mahameed <saeedm@nvidia.com>,
	Leon Romanovsky <leon@kernel.org>,
	"David S. Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
	netdev@vger.kernel.org, linux-rdma@vger.kernel.org,
	"Gustavo A. R. Silva" <gustavoars@kernel.org>,
	Nathan Chancellor <nathan@kernel.org>,
	Nick Desaulniers <ndesaulniers@google.com>,
	Tom Rix <trix@redhat.com>,
	linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org,
	llvm@lists.linux.dev
Subject: Re: [PATCH] net/mlx5: Annotate struct mlx5_flow_handle with __counted_by
Date: Thu, 12 Oct 2023 12:48:54 -0700	[thread overview]
Message-ID: <ZShNpk6mPNDYiFSj@x130> (raw)
In-Reply-To: <20231003231730.work.166-kees@kernel.org>

On 03 Oct 16:17, Kees Cook wrote:
>Prepare for the coming implementation by GCC and Clang of the __counted_by
>attribute. Flexible array members annotated with __counted_by can have
>their accesses bounds-checked at run-time via CONFIG_UBSAN_BOUNDS (for
>array indexing) and CONFIG_FORTIFY_SOURCE (for strcpy/memcpy-family
>functions).
>
>As found with Coccinelle[1], add __counted_by for struct mlx5_flow_handle.
>
>Cc: Saeed Mahameed <saeedm@nvidia.com>
>Cc: Leon Romanovsky <leon@kernel.org>
>Cc: "David S. Miller" <davem@davemloft.net>
>Cc: Eric Dumazet <edumazet@google.com>
>Cc: Jakub Kicinski <kuba@kernel.org>
>Cc: Paolo Abeni <pabeni@redhat.com>
>Cc: netdev@vger.kernel.org
>Cc: linux-rdma@vger.kernel.org
>Link: https://github.com/kees/kernel-tools/blob/trunk/coccinelle/examples/counted_by.cocci [1]
>Signed-off-by: Kees Cook <keescook@chromium.org>

applied to net-next-mlx5.



      parent reply	other threads:[~2023-10-12 19:48 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-10-03 23:17 [PATCH] net/mlx5: Annotate struct mlx5_flow_handle with __counted_by Kees Cook
2023-10-03 23:26 ` Justin Stitt
2023-10-03 23:33 ` Gustavo A. R. Silva
2023-10-04 18:45 ` Leon Romanovsky
2023-10-12 19:48 ` Saeed Mahameed [this message]

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