linux-kernel - Re: upstream build error (11)

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Message-ID: <CACT4Y+b0-Rw+_aNtGnbwKj7FFM2yKDAsPFO3XP5DnirCRCbbNg@mail.gmail.com>
Date:   Sat, 9 Jan 2021 21:41:23 +0100
From:   Dmitry Vyukov <dvyukov@...gle.com>
To:     syzbot <syzbot+5b0d0de84d6c65b8dd2b@...kaller.appspotmail.com>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Linux-MM <linux-mm@...ck.org>,
        syzkaller-bugs <syzkaller-bugs@...glegroups.com>
Subject: Re: upstream build error (11)

On Wed, Oct 28, 2020 at 9:31 AM syzbot
<syzbot+5b0d0de84d6c65b8dd2b@...kaller.appspotmail.com> wrote:
>
> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit:    4d09c1d9 Merge tag 'devicetree-fixes-for-5.10-1' of git://..
> git tree:       upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=1615899c500000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=a5c844e56cc50cdb
> dashboard link: https://syzkaller.appspot.com/bug?extid=5b0d0de84d6c65b8dd2b
> compiler:       gcc (GCC) 10.1.0-syz 20200507
>
> IMPORTANT: if you fix the issue, please add the following tag to the commit:
> Reported-by: syzbot+5b0d0de84d6c65b8dd2b@...kaller.appspotmail.com
>
> mm/process_vm_access.c:277:5: error: implicit declaration of function 'in_compat_syscall'; did you mean 'in_ia32_syscall'? [-Werror=implicit-function-declaration]

Other build failures are piling behind this.

#syz fix: mm/process_vm_access: Add missing #include <linux/compat.h>