linux-kernel - Re: KASAN: use-after-free Read in __pm_runtime

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Message-ID: <CAAeHK+ziKCz=SZss7mnWZWQXWBGyXkw5dcPfjdH-6MJLUJqO8Q@mail.gmail.com>
Date:   Fri, 2 Aug 2019 16:13:15 +0200
From:   Andrey Konovalov <andreyknvl@...gle.com>
To:     Pavel Machek <pavel@...x.de>
Cc:     syzbot <syzbot+b156665cf4d1b5e00c76@...kaller.appspotmail.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        len.brown@...el.com, LKML <linux-kernel@...r.kernel.org>,
        linux-pm@...r.kernel.org, USB list <linux-usb@...r.kernel.org>,
        rjw@...ysocki.net, syzkaller-bugs <syzkaller-bugs@...glegroups.com>
Subject: Re: KASAN: use-after-free Read in __pm_runtime_resume

On Fri, Aug 2, 2019 at 3:33 PM Pavel Machek <pavel@...x.de> wrote:
>
> On Fri 2019-08-02 05:58:05, syzbot wrote:
> > Hello,
> >
> > syzbot found the following crash on:
> >
> > HEAD commit:    e96407b4 usb-fuzzer: main usb gadget fuzzer driver
> > git tree:       https://github.com/google/kasan.git usb-fuzzer
> > console output: https://syzkaller.appspot.com/x/log.txt?x=146071b4600000
> > kernel config:  https://syzkaller.appspot.com/x/.config?x=792eb47789f57810
> > dashboard link: https://syzkaller.appspot.com/bug?extid=b156665cf4d1b5e00c76
> > compiler:       gcc (GCC) 9.0.0 20181231 (experimental)
> >
> > Unfortunately, I don't have any reproducer for this crash yet.
>
> I asked a question, noone bothered to reply, yet you spam me again?
>
> You are a bad bot. Go away. Come back when your human master is
> willing to communicate.

Hi Pavel,

What was the question that you've asked and where did you send it? I
can't find anything in my inbox.

Thanks!

>
>                                                                 Pavel
>
> --
> (english) http://www.livejournal.com/~pavelmachek
> (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html