From: Ido Schimmel <idosch@nvidia.com>
To: Kees Cook <keescook@chromium.org>
Cc: Petr Machata <petrm@nvidia.com>,
"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,
"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 3/5] mlxsw: spectrum: Annotate struct mlxsw_sp_counter_pool with __counted_by
Date: Sun, 1 Oct 2023 13:33:53 +0300 [thread overview]
Message-ID: <ZRlLEX8DvxFUdR6y@shredder> (raw)
In-Reply-To: <20230929180746.3005922-3-keescook@chromium.org>
On Fri, Sep 29, 2023 at 11:07:42AM -0700, 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 checking 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 mlxsw_sp_counter_pool.
>
> [1] https://github.com/kees/kernel-tools/blob/trunk/coccinelle/examples/counted_by.cocci
>
> Cc: Ido Schimmel <idosch@nvidia.com>
> Cc: Petr Machata <petrm@nvidia.com>
> 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
> Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
next prev parent reply other threads:[~2023-10-01 10:34 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-29 18:07 [PATCH 0/5] mlxsw: Annotate structs with __counted_by Kees Cook
2023-09-29 18:07 ` [PATCH 1/5] mlxsw: Annotate struct mlxsw_linecards " Kees Cook
2023-10-01 10:32 ` Ido Schimmel
2023-09-29 18:07 ` [PATCH 2/5] mlxsw: core: Annotate struct mlxsw_env " Kees Cook
2023-10-01 10:33 ` Ido Schimmel
2023-09-29 18:07 ` [PATCH 3/5] mlxsw: spectrum: Annotate struct mlxsw_sp_counter_pool " Kees Cook
2023-10-01 10:33 ` Ido Schimmel [this message]
2023-10-03 23:17 ` Justin Stitt
2023-09-29 18:07 ` [PATCH 4/5] mlxsw: spectrum_router: Annotate struct mlxsw_sp_nexthop_group_info " Kees Cook
2023-10-01 10:34 ` Ido Schimmel
2023-10-03 23:12 ` Justin Stitt
2023-09-29 18:07 ` [PATCH 5/5] mlxsw: spectrum_span: Annotate struct mlxsw_sp_span " Kees Cook
2023-10-01 10:35 ` Ido Schimmel
2023-10-03 23:06 ` Justin Stitt
2023-10-02 18:40 ` [PATCH 0/5] mlxsw: Annotate structs " patchwork-bot+netdevbpf
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