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Subject: Re: [PATCH bpf-next] bpf: Increase size of BTF_ID_LIST without
 CONFIG_DEBUG_INFO_BTF again
From:   patchwork-bot+netdevbpf@kernel.org
Message-Id: <167820481876.4140.8715511443190797476.git-patchwork-notify@kernel.org>
Date:   Tue, 07 Mar 2023 16:00:18 +0000
References: <20230307-bpf-kfuncs-warray-bounds-v1-1-00ad3191f3a6@kernel.org>
In-Reply-To: <20230307-bpf-kfuncs-warray-bounds-v1-1-00ad3191f3a6@kernel.org>
To:     Nathan Chancellor <nathan@kernel.org>
Cc:     ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org,
        martin.lau@linux.dev, song@kernel.org, yhs@fb.com,
        john.fastabend@gmail.com, kpsingh@kernel.org, sdf@google.com,
        haoluo@google.com, jolsa@kernel.org, ndesaulniers@google.com,
        trix@redhat.com, bpf@vger.kernel.org, linux-kernel@vger.kernel.org,
        llvm@lists.linux.dev, patches@lists.linux.dev
Precedence: bulk

Hello:

This patch was applied to bpf/bpf-next.git (master)
by Alexei Starovoitov <ast@kernel.org>:

On Tue, 07 Mar 2023 08:14:06 -0700 you wrote:
> After commit 66e3a13e7c2c ("bpf: Add bpf_dynptr_slice and
> bpf_dynptr_slice_rdwr"), clang builds without CONFIG_DEBUG_INFO_BTF
> warn:
> 
>   kernel/bpf/verifier.c:10298:24: warning: array index 16 is past the end of the array (that has type 'u32[16]' (aka 'unsigned int[16]')) [-Warray-bounds]
>                                      meta.func_id == special_kfunc_list[KF_bpf_dynptr_slice_rdwr]) {
>                                                      ^                  ~~~~~~~~~~~~~~~~~~~~~~~~
>   kernel/bpf/verifier.c:9150:1: note: array 'special_kfunc_list' declared here
>   BTF_ID_LIST(special_kfunc_list)
>   ^
>   include/linux/btf_ids.h:207:27: note: expanded from macro 'BTF_ID_LIST'
>   #define BTF_ID_LIST(name) static u32 __maybe_unused name[16];
>                             ^
>   1 warning generated.
> 
> [...]

Here is the summary with links:
  - [bpf-next] bpf: Increase size of BTF_ID_LIST without CONFIG_DEBUG_INFO_BTF again
    https://git.kernel.org/bpf/bpf-next/c/2d5bcdcda879

You are awesome, thank you!
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