From: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
To: Jiale Yao <yaojiale02@163.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Mian Yousaf Kaukab <yousaf.kaukab@intel.com>,
"linux-usb@vger.kernel.org" <linux-usb@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"stable@vger.kernel.org" <stable@vger.kernel.org>
Subject: Re: [PATCH 1/4] usb: dwc2: initialize debugfs command buffer
Date: Wed, 4 Nov 2026 01:57:42 +0000 [thread overview]
Message-ID: <auqPUx03ISuM-FUK@vbox> (raw)
In-Reply-To: <20261021104720.4106961-2-yaojiale02@163.com>
(Removed some bounced emails)
On Wed, Oct 21, 2026, Jiale Yao wrote:
> testmode_write() copies user input into an uninitialized stack buffer
> and compares fixed command lengths. A short write matching a command
> prefix can make strncmp() inspect bytes that were not initialized.
>
> Zero-initialize the buffer so the copied input is always terminated.
>
> Fixes: f91eea447ac3 ("usb: dwc2: move debugfs code to a separate file")
This should be:
Fixes: 9e14d0a566f4 ("usb: dwc2: gadget: add TEST_MODE feature support")
How was this found? Please mention the tool in the commit message?
BR,
Thinh
next prev parent reply other threads:[~2026-11-04 1:58 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-21 10:47 [PATCH 0/4] usb: initialize debugfs command buffers Jiale Yao
2026-10-21 10:47 ` [PATCH 1/4] usb: dwc2: initialize debugfs command buffer Jiale Yao
2026-11-04 1:57 ` Thinh Nguyen [this message]
2026-10-21 10:47 ` [PATCH 2/4] usb: gadget: renesas_usb3: " Jiale Yao
2026-10-21 10:47 ` [PATCH 3/4] xhci: debugfs: initialize " Jiale Yao
2026-10-21 12:41 ` Mathias Nyman
2026-10-21 10:47 ` [PATCH 4/4] usb: mtu3: initialize debugfs " Jiale Yao
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