linux-kernel - Re: [PATCH bpf-next] bpf: Increase size of BTF_ID_LIST without CONFIG_DEBUG_INFO

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Message-Id: <167820481876.4140.8715511443190797476.git-patchwork-notify@kernel.org>
Date:   Tue, 07 Mar 2023 16:00:18 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Nathan Chancellor <nathan@...nel.org>
Cc:     ast@...nel.org, daniel@...earbox.net, andrii@...nel.org,
        martin.lau@...ux.dev, song@...nel.org, yhs@...com,
        john.fastabend@...il.com, kpsingh@...nel.org, sdf@...gle.com,
        haoluo@...gle.com, jolsa@...nel.org, ndesaulniers@...gle.com,
        trix@...hat.com, bpf@...r.kernel.org, linux-kernel@...r.kernel.org,
        llvm@...ts.linux.dev, patches@...ts.linux.dev
Subject: Re: [PATCH bpf-next] bpf: Increase size of BTF_ID_LIST without
 CONFIG_DEBUG_INFO_BTF again

Hello:

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