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Message-ID: <202309270854.67756EAC2@keescook>
Date: Wed, 27 Sep 2023 08:57:36 -0700
From: Kees Cook <keescook@...omium.org>
To: Jakub Kicinski <kuba@...nel.org>
Cc: Jamal Hadi Salim <jhs@...atatu.com>,
"David S. Miller" <davem@...emloft.net>,
David Ahern <dsahern@...nel.org>,
Eric Dumazet <edumazet@...gle.com>,
Paolo Abeni <pabeni@...hat.com>,
Martin KaFai Lau <martin.lau@...nel.org>,
"Gustavo A. R. Silva" <gustavoars@...nel.org>,
Alexei Starovoitov <ast@...nel.org>,
Yisen Zhuang <yisen.zhuang@...wei.com>,
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Claudiu Manoil <claudiu.manoil@....com>,
Vladimir Oltean <vladimir.oltean@....com>,
"K. Y. Srinivasan" <kys@...rosoft.com>,
Haiyang Zhang <haiyangz@...rosoft.com>,
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Subject: Re: [PATCH 00/14] Batch 1: Annotate structs with __counted_by
On Fri, Sep 22, 2023 at 10:28:42AM -0700, Kees Cook wrote:
> This is the batch 1 of patches touching netdev for preparing 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 to structs that would
> benefit from the annotation.
>
> Since the element count member must be set before accessing the annotated
> flexible array member, some patches also move the member's initialization
> earlier. (These are noted in the individual patches.)
Hi, just checking on this batch of changes. Is it possible to take the
1-13 subset:
> Kees Cook (14):
> ipv4: Annotate struct fib_info with __counted_by
> ipv4/igmp: Annotate struct ip_sf_socklist with __counted_by
> ipv6: Annotate struct ip6_sf_socklist with __counted_by
> net: hns: Annotate struct ppe_common_cb with __counted_by
> net: enetc: Annotate struct enetc_int_vector with __counted_by
> net: hisilicon: Annotate struct rcb_common_cb with __counted_by
> net: mana: Annotate struct mana_rxq with __counted_by
> net: ipa: Annotate struct ipa_power with __counted_by
> net: mana: Annotate struct hwc_dma_buf with __counted_by
> net: openvswitch: Annotate struct dp_meter_instance with __counted_by
> net: enetc: Annotate struct enetc_psfp_gate with __counted_by
> net: openvswitch: Annotate struct dp_meter with __counted_by
> net: tulip: Annotate struct mediatable with __counted_by
I'll respin 14 and add it to the next batch:
> net: sched: Annotate struct tc_pedit with __counted_by
After these 13, there are 32 more patches to various drivers and
protocols...
Thanks!
-Kees
--
Kees Cook
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