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From:   Aleksandr Nogikh <nogikh@google.com>
Date:   Mon, 3 Jul 2023 18:45:39 +0200
Message-ID: <CANp29Y4ySB6_s8zqO3zgskzx5y6ECUVobYxje-k3V2hSEiULGQ@mail.gmail.com>
Subject: Re: [syzbot] upstream build error (20)
To:     Borislav Petkov <bp@alien8.de>
Cc:     syzbot <syzbot+3ea47fc22e48e9ec4324@syzkaller.appspotmail.com>,
        dave.hansen@linux.intel.com, hpa@zytor.com,
        linux-kernel@vger.kernel.org, mingo@redhat.com,
        syzkaller-bugs@googlegroups.com, tglx@linutronix.de, x86@kernel.org
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On Sun, Jul 2, 2023 at 9:51=E2=80=AFPM Borislav Petkov <bp@alien8.de> wrote=
:
>
> On Sun, Jul 02, 2023 at 11:56:57AM -0700, syzbot wrote:
> > Hello,
> >
> > syzbot found the following issue on:
> >
> > HEAD commit:    77b1a7f7a05c Merge tag 'mm-nonmm-stable-2023-06-24-19-2=
3' ..
> > git tree:       upstream
> > console output: https://syzkaller.appspot.com/x/log.txt?x=3D1701aabd280=
000
> > kernel config:  https://syzkaller.appspot.com/x/.config?x=3Ddbdd409f194=
c6563
> > dashboard link: https://syzkaller.appspot.com/bug?extid=3D3ea47fc22e48e=
9ec4324
> > compiler:       gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binu=
tils for Debian) 2.35.2
> >
> > IMPORTANT: if you fix the issue, please add the following tag to the co=
mmit:
> > Reported-by: syzbot+3ea47fc22e48e9ec4324@syzkaller.appspotmail.com
> >
> > ./arch/x86/include/asm/mem_encrypt.h:23:20: error: static declaration o=
f 'mem_encrypt_init' follows non-static declaration
> >
> > ---
> > This report is generated by a bot. It may contain errors.
> > See https://goo.gl/tpsmEJ for more information about syzbot.
> > syzbot engineers can be reached at syzkaller@googlegroups.com.
> >
> > syzbot will keep track of this issue. See:
> > https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
> >
> > If the bug is already fixed, let syzbot know by replying with:
> > #syz fix: exact-commit-title
> >
> > If you want to change bug's subsystems, reply with:
> > #syz set subsystems: new-subsystem
> > (See the list of subsystem names on the web dashboard)
> >
> > If the bug is a duplicate of another bug, reply with:
> > #syz dup: exact-subject-of-another-report
> >
> > If you want to undo deduplication, reply with:
> > #syz undup
>
> #syz fix: 0a9567ac5e6a ("x86/mem_encrypt: Unbreak the AMD_MEM_ENCRYPT=3Dn=
 build")

Thank you for letting syzbot know the fixing commit!
Syzbot expects to see only the title, so here's an update:

#syz fix: x86/mem_encrypt: Unbreak the AMD_MEM_ENCRYPT=3Dn build

>
> --
> Regards/Gruss,
>     Boris.
>
> https://people.kernel.org/tglx/notes-about-netiquette
>
> --