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SubjectRe: KASAN: use-after-free Read in ucma_close (2)
On Thu, Sep 10, 2020 at 07:09:24AM -0700, syzbot wrote:
> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit: 34d4ddd3 Merge tag 'linux-kselftest-5.9-rc5' of git://git...
> git tree: upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=1002ea2d900000
> kernel config: https://syzkaller.appspot.com/x/.config?x=a9075b36a6ae26c9
> dashboard link: https://syzkaller.appspot.com/bug?extid=cc6fc752b3819e082d0c
> compiler: gcc (GCC) 10.1.0-syz 20200507
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1600e053900000
>
> IMPORTANT: if you fix the issue, please add the following tag to the commit:
> Reported-by: syzbot+cc6fc752b3819e082d0c@syzkaller.appspotmail.com

#syz test: https://github.com/jgunthorpe/linux ucma_migrate_fix

Jason

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