linux-kernel - Re: [syzbot] general protection fault in gadget

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Message-ID: <20210416152949.GC42403@rowland.harvard.edu>
Date:   Fri, 16 Apr 2021 11:29:49 -0400
From:   Alan Stern <stern@...land.harvard.edu>
To:     Dmitry Vyukov <dvyukov@...gle.com>
Cc:     syzbot <syzbot+eb4674092e6cc8d9e0bd@...kaller.appspotmail.com>,
        Andrey Konovalov <andreyknvl@...il.com>,
        Felipe Balbi <balbi@...nel.org>,
        Dan Carpenter <dan.carpenter@...cle.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        LKML <linux-kernel@...r.kernel.org>,
        USB list <linux-usb@...r.kernel.org>,
        syzkaller-bugs <syzkaller-bugs@...glegroups.com>,
        syzkaller <syzkaller@...glegroups.com>
Subject: Re: [syzbot] general protection fault in gadget_setup

On Fri, Apr 16, 2021 at 09:21:12AM +0200, Dmitry Vyukov wrote:
> On Thu, Apr 15, 2021 at 10:59 PM Alan Stern <stern@...land.harvard.edu> wrote:
> >
> > On Tue, Apr 13, 2021 at 07:11:11PM +0200, Dmitry Vyukov wrote:
> > > Yes, this is possible:
> > > http://bit.do/syzbot#syzkaller-reproducers
> >
> > That's not really what I had in mind.  I don't want to spend the time
> > and effort installing syskaller on my own system; I want to tell syzbot
> > to run a particular syzkaller program (the one that originally led to
> > this bug report) on a patched kernel.
> >
> > The syzbot instructions say that it can test bugs with reproducers.  The
> > problem here is that there doesn't seem to be any way to tell it to use
> > a particular syzkaller program as a reproducer.
> 
> Hi Alan,
> 
> This makes sense and I've found an existing feature request:
> https://github.com/google/syzkaller/issues/1611
> I've added a reference to this thread there.

Great!  Thank you.

Alan Stern