linux-kernel - Re: [syzbot] memory leak in kvm_dev

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Message-ID: <CACT4Y+Yk5v3=2V_t77RSqACNYQb6PmDM0Mst6N1QEgz9CdYrqw@mail.gmail.com>
Date:   Mon, 5 Jul 2021 07:54:59 +0200
From:   Dmitry Vyukov <dvyukov@...gle.com>
To:     Pavel Skripkin <paskripkin@...il.com>
Cc:     syzbot <syzbot+c87d2efb740931ec76c7@...kaller.appspotmail.com>,
        kvm@...r.kernel.org, linux-kernel@...r.kernel.org,
        pbonzini@...hat.com, syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] memory leak in kvm_dev_ioctl

On Sat, Jul 3, 2021 at 9:12 AM Pavel Skripkin <paskripkin@...il.com> wrote:
>
> On Fri, 02 Jul 2021 23:05:26 -0700
> syzbot <syzbot+c87d2efb740931ec76c7@...kaller.appspotmail.com> wrote:
>
> > Hello,
> >
> > syzbot found the following issue on:
> >
> > HEAD commit:    e058a84b Merge tag 'drm-next-2021-07-01' of
> > git://anongit... git tree:       upstream
> > console output:
> > https://syzkaller.appspot.com/x/log.txt?x=171fbbdc300000 kernel
> > config:  https://syzkaller.appspot.com/x/.config?x=8c46abb9076f44dc
> > dashboard link:
> > https://syzkaller.appspot.com/bug?extid=c87d2efb740931ec76c7 syz
> > repro:
> > https://syzkaller.appspot.com/x/repro.syz?x=119d1efc300000 C
> > reproducer:   https://syzkaller.appspot.com/x/repro.c?x=16c58c28300000
> >
> > IMPORTANT: if you fix the issue, please add the following tag to the
> > commit: Reported-by:
> > syzbot+c87d2efb740931ec76c7@...kaller.appspotmail.com
> >
>
> Corresponding fix was sent about 2 days ago
> https://patchwork.kernel.org/project/kvm/patch/20210701195500.27097-1-paskripkin@gmail.com/

Hi Pavel,

Thanks for checking. Let's tell syzbot about the fix:

#syz fix: kvm: debugfs: fix memory leak in kvm_create_vm_debugfs