linux-kernel - Re: [PATCH] usb: usbtmc: initialize memory written to device

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Message-ID: <CAG_fn=Vmn1UotDhpHr48_ENd+d12y0G-qR5Q4m5aTODN+tH8uw@mail.gmail.com>
Date: Fri, 4 Oct 2024 15:41:22 +0200
From: Alexander Potapenko <glider@...gle.com>
To: Greg KH <gregkh@...uxfoundation.org>
Cc: bemenboshra2001@...il.com, linux-kernel@...r.kernel.org, 
	linux-usb@...r.kernel.org, syzkaller-bugs@...glegroups.com, nogikh@...gle.com, 
	dvyukov@...gle.com, elver@...gle.com, pimyn@...gle.com, 
	syzbot+8f282cce71948071c335@...kaller.appspotmail.com
Subject: Re: [PATCH] usb: usbtmc: initialize memory written to device

On Fri, Oct 4, 2024 at 2:57 PM Greg KH <gregkh@...uxfoundation.org> wrote:
>
> On Fri, Oct 04, 2024 at 12:33:13PM +0000, Pimyn@....codeaurora.org wrote:

Just curious, what's up with this @web.codeaurora.org address? It
wasn't in the original patch, where did it come from? :)

> > Avoid kernel-usb-infoleak by initializing all memory written to device.
> > The buffer length uses 32bit alignment which might cause some buffer
> > data to be read without any initialization.
> >
> > Reported-by: syzbot+8f282cce71948071c335@...kaller.appspotmail.com
> > Closes: https://lore.kernel.org/all/0000000000006f6622061eb52dba@google.com/T/
> > Signed-off-by: Pimyn Girgis <bemenboshra2001@...il.com> (Google)
> > ---
> >  drivers/usb/class/usbtmc.c | 3 +++
> >  1 file changed, 3 insertions(+)
>
> The "From:" line of this commit is obviously not correct and does not
> match this signed-off-by line.

Sorry, does it mean the "(Google)" part should be present in the From:
line as well?

> Also, as you are from google, just use your google.com email address
> please.

Unfortunately Pimyn cannot send emails outside the @google.com domain.