From: sashiko-bot@kernel.org
To: "Jiale Yao" <yaojiale02@163.com>, linux-usb@vger.kernel.org
Subject: Re: [PATCH 1/4] usb: dwc2: initialize debugfs command buffer
Date: Wed, 21 Oct 2026 10:50:19 +0000 [thread overview]
Message-ID: <sashiko-outbox-180121@kernel.org> (raw)
In-Reply-To: <20261021104720.4106961-2-yaojiale02@163.com>
> 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")
> Cc: stable@vger.kernel.org
> Signed-off-by: Jiale Yao <yaojiale02@163.com>
Sashiko has reviewed this patch and found no issues.
--
Sashiko AI review · https://sashiko.dev/#/patchset/20261021104720.4106961-1-yaojiale02@163.com?part=1
next prev parent reply other threads:[~2026-10-21 10:50 UTC|newest]
Thread overview: 10+ 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
2026-10-21 10:50 ` sashiko-bot [this message]
2026-10-21 10:47 ` [PATCH 2/4] usb: gadget: renesas_usb3: " Jiale Yao
2026-10-21 10:50 ` sashiko-bot
2026-10-21 10:47 ` [PATCH 3/4] xhci: debugfs: initialize " Jiale Yao
2026-10-21 10:51 ` sashiko-bot
2026-10-21 12:41 ` Mathias Nyman
2026-10-21 10:47 ` [PATCH 4/4] usb: mtu3: initialize debugfs " Jiale Yao
2026-10-21 10:52 ` sashiko-bot
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