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

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Message-ID: <2024100452-echo-chokehold-f6fa@gregkh>
Date: Fri, 4 Oct 2024 14:57:44 +0200
From: Greg KH <gregkh@...uxfoundation.org>
To: Pimyn@....codeaurora.org, Girgis@....codeaurora.org,
	bemenboshra2001@...il.com
Cc: linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org,
	syzkaller-bugs@...glegroups.com, nogikh@...gle.com,
	glider@...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 04, 2024 at 12:33:13PM +0000, Pimyn@....codeaurora.org wrote:
> 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.

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

thanks,

greg k-h