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

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Message-ID: <CACT4Y+aeiQ9=p6esuAseErekJnLzxFL1eG7qpWehZHUfb8UoNw@mail.gmail.com>
Date:   Mon, 5 Jul 2021 13:47:30 +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 Mon, Jul 5, 2021 at 1:36 PM Pavel Skripkin <paskripkin@...il.com> wrote:
>
> On Mon, 5 Jul 2021 07:54:59 +0200
> Dmitry Vyukov <dvyukov@...gle.com> wrote:
>
> > 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
>
>
> Hi, Dmitry!
>
> Sorry for stupid question :)
>
> I don't see, that my patch was applied, so syzbot will save the patch
> name and will test it after it will be applied? I thought about
> sending `syz fix` command, but I was sure that syzbot takes only
> accepted patches.

Hi Pavel,

Please see if http://bit.do/syzbot#communication-with-syzbot answers
your questions.