linux-kernel - Re: WARNING in hwahc

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Date:   Sun, 22 Mar 2020 08:58:50 +0100
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Qiujun Huang <anenbupt@...il.com>
Cc:     syzbot <syzbot+df767d588771697b0433@...kaller.appspotmail.com>,
        andreyknvl@...gle.com, devel@...verdev.osuosl.org,
        linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org,
        syzkaller-bugs@...glegroups.com, tranmanphong@...il.com
Subject: Re: WARNING in hwahc_probe

On Sun, Mar 22, 2020 at 03:53:44PM +0800, Qiujun Huang wrote:
> The return value of snprintf is longer than expected if the string is
> truncated. Bytes need to be checked here.
> 
> diff --git a/drivers/staging/wusbcore/host/hwa-hc.c
> b/drivers/staging/wusbcore/host/hwa-hc.c
> index 8d959e9..1475a48 100644
> --- a/drivers/staging/wusbcore/host/hwa-hc.c
> +++ b/drivers/staging/wusbcore/host/hwa-hc.c

This file is no longer in the linux-next tree and will be deleted in the
next kernel release.

Also, no one has this hardware so there's no real security issue here at
all.

And finally, you forgot a signed-off-by line on your patch :(

thanks,

greg k-h