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SubjectRe: kernel BUG at mm/internal.h:LINE! (2)
On Wed, Jul 29, 2020 at 01:04:21PM -0700, syzbot wrote:
> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit: 68845a55 Merge branch 'akpm' into master (patches from And..
> git tree: upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=17c86c54900000
> kernel config: https://syzkaller.appspot.com/x/.config?x=f87a5e4232fdb267
> dashboard link: https://syzkaller.appspot.com/bug?extid=f62749569eab36774dc5
> compiler: gcc (GCC) 10.1.0-syz 20200507
>
> Unfortunately, I don't have any reproducer for this issue yet.
>
> IMPORTANT: if you fix the issue, please add the following tag to the commit:
> Reported-by: syzbot+f62749569eab36774dc5@syzkaller.appspotmail.com
>
> vma ffff888000153210 start 0007700000077000 end 0000000000077000
> next 0007700000000000 prev 0000000007070707 mm 0007700000000000
> prot 77700000077000 anon_vma 0000000000000000 vm_ops ffffffff885cecc0

All these 0 and 7 look very broken. Is it some magic or just garbage?

--
Kirill A. Shutemov

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