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Subject: Re: [syzbot] bpf build error (3)
To:     syzbot <syzbot+8a8ba69ec56c60331e1f@syzkaller.appspotmail.com>,
        akpm@linux-foundation.org, ast@kernel.org, bp@alien8.de,
        hpa@zytor.com, linux-kernel@vger.kernel.org, mingo@redhat.com,
        netdev@vger.kernel.org, rafael.j.wysocki@intel.com,
        rppt@kernel.org, syzkaller-bugs@googlegroups.com,
        tglx@linutronix.de, x86@kernel.org,
        Stephen Rothwell <sfr@canb.auug.org.au>,
        Konrad Rzeszutek Wilk <konrad@kernel.org>,
        Maurizio Lombardi <mlombard@redhat.com>,
        Mike Rapoport <rppt@linux.ibm.com>, andrii.nakryiko@gmail.com
References: <000000000000d0dfda05cb0697d7@google.com>
From:   Daniel Borkmann <daniel@iogearbox.net>
Message-ID: <d85f7e26-9b37-d682-d15a-0224b8c5e8c1@iogearbox.net>
Date:   Thu, 2 Sep 2021 23:46:21 +0200
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On 9/2/21 7:34 PM, syzbot wrote:
> Hello,
> 
> syzbot found the following issue on:
> 
> HEAD commit:    49ca6153208f bpf: Relicense disassembler as GPL-2.0-only O..
> git tree:       bpf
> console output: https://syzkaller.appspot.com/x/log.txt?x=17835513300000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=bd61edfef9fa14b1
> dashboard link: https://syzkaller.appspot.com/bug?extid=8a8ba69ec56c60331e1f
> 
> IMPORTANT: if you fix the issue, please add the following tag to the commit:
> Reported-by: syzbot+8a8ba69ec56c60331e1f@syzkaller.appspotmail.com
> 
> arch/x86/kernel/setup.c:916:6: error: implicit declaration of function 'acpi_mps_check' [-Werror=implicit-function-declaration]
> arch/x86/kernel/setup.c:1110:2: error: implicit declaration of function 'acpi_table_upgrade' [-Werror=implicit-function-declaration]
> arch/x86/kernel/setup.c:1112:2: error: implicit declaration of function 'acpi_boot_table_init' [-Werror=implicit-function-declaration]
> arch/x86/kernel/setup.c:1120:2: error: implicit declaration of function 'early_acpi_boot_init'; did you mean 'early_cpu_init'? [-Werror=implicit-function-declaration]
> arch/x86/kernel/setup.c:1162:2: error: implicit declaration of function 'acpi_boot_init' [-Werror=implicit-function-declaration]

See also Stephen's recent report:

   https://lore.kernel.org/lkml/20210901165450.5898f1c7@canb.auug.org.au/

Maurizio/Konrad, did you have a chance to take a look?

Thanks,
Daniel