From: Mathias Nyman <mathias.nyman@linux.intel.com>
To: Niklas Neronin <niklas.neronin@linux.intel.com>,
linux-usb@vger.kernel.org, stern@rowland.harvard.edu,
gregkh@linuxfoundation.org
Cc: stable@vger.kernel.org
Subject: Re: [PATCH] usb: config: fix iteration issue in 'usb_get_bos_descriptor()'
Date: Fri, 17 Nov 2023 15:50:50 +0200 [thread overview]
Message-ID: <c77909fd-18d3-4d5f-834c-a696e2abc9c8@linux.intel.com> (raw)
In-Reply-To: <20231115121325.471454-1-niklas.neronin@linux.intel.com>
On 15.11.2023 14.13, Niklas Neronin wrote:
> The BOS descriptor defines a root descriptor and is the base descriptor for
> accessing a family of related descriptors.
>
> Function 'usb_get_bos_descriptor()' encounters an iteration issue when
> skipping the 'USB_DT_DEVICE_CAPABILITY' descriptor type. This results in
> the same descriptor being read repeatedly.
>
> To address this issue, a 'goto' statement is introduced to ensure that the
> pointer and the amount read is updated correctly. This ensures that the
> function iterates to the next descriptor instead of reading the same
> descriptor repeatedly.
>
> Cc: stable@vger.kernel.org
> Fixes: 3dd550a2d365 ("USB: usbcore: Fix slab-out-of-bounds bug during device reset")
> Signed-off-by: Niklas Neronin <niklas.neronin@linux.intel.com>
> ---
Acked-by: Mathias Nyman <mathias.nyman@linux.intel.com>
next prev parent reply other threads:[~2023-11-17 13:49 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-15 12:13 [PATCH] usb: config: fix iteration issue in 'usb_get_bos_descriptor()' Niklas Neronin
2023-11-17 13:50 ` Mathias Nyman [this message]
2023-11-17 15:50 ` Alan Stern
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