From: Andrew Morton <akpm@linux-foundation.org>
To: Dmitry Vyukov <dvyukov@google.com>
Cc: syzbot <syzbot+5b0d0de84d6c65b8dd2b@syzkaller.appspotmail.com>,
LKML <linux-kernel@vger.kernel.org>,
Linux-MM <linux-mm@kvack.org>,
syzkaller-bugs <syzkaller-bugs@googlegroups.com>
Subject: Re: upstream build error (11)
Date: Sat, 9 Jan 2021 14:34:10 -0800 [thread overview]
Message-ID: <20210109143410.eed9923407f73c00535bb450@linux-foundation.org> (raw)
In-Reply-To: <CACT4Y+b0-Rw+_aNtGnbwKj7FFM2yKDAsPFO3XP5DnirCRCbbNg@mail.gmail.com>
On Sat, 9 Jan 2021 21:41:23 +0100 Dmitry Vyukov <dvyukov@google.com> wrote:
> On Wed, Oct 28, 2020 at 9:31 AM syzbot
> <syzbot+5b0d0de84d6c65b8dd2b@syzkaller.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@syzkaller.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>
For some reason I cant reproduce this with that .config, but presumably
this is the fix?
From: Andrew Morton <akpm@linux-foundation.org>
Subject: mm/process_vm_access.c: include compat.h
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]
Fixes: 38dc5079da7081e "Fix compat regression in process_vm_rw()"
Reported-by: syzbot+5b0d0de84d6c65b8dd2b@syzkaller.appspotmail.com
Cc: Kyle Huey <me@kylehuey.com>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
mm/process_vm_access.c | 1 +
1 file changed, 1 insertion(+)
--- a/mm/process_vm_access.c~a
+++ a/mm/process_vm_access.c
@@ -9,6 +9,7 @@
#include <linux/mm.h>
#include <linux/uio.h>
#include <linux/sched.h>
+#include <linux/compat.h>
#include <linux/sched/mm.h>
#include <linux/highmem.h>
#include <linux/ptrace.h>
_
next prev parent reply other threads:[~2021-01-09 22:34 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-28 8:31 syzbot
2021-01-09 20:41 ` Dmitry Vyukov
2021-01-09 22:34 ` Andrew Morton [this message]
2021-01-10 8:44 ` Dmitry Vyukov
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