From: Florian Fainelli <florian.fainelli@broadcom.com>
To: Guangshuo Li <liguangshuo@mail.sdu.edu.cn>,
Justin Chen <justin.chen@broadcom.com>,
Al Cooper <alcooperx@gmail.com>,
Broadcom internal kernel review list
<bcm-kernel-feedback-list@broadcom.com>,
Neill Kapron <nkapron@google.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] usb: gadget: bdc: Fix potential ep0 BD table leak
Date: Tue, 10 Nov 2026 10:02:13 -0800 [thread overview]
Message-ID: <6a244da3-9730-4d0a-a809-441b76e14643@broadcom.com> (raw)
In-Reply-To: <20261110-9f141e6bc8-usb-bdc@mail.sdu.edu.cn>
On 11/10/26 06:32, Guangshuo Li wrote:
> The ep0 BD list is kept across disconnects, and ep0 does not have
> BDC_EP_ENABLED set after allocation. Consequently bdc_free_ep() skips
> its tables before the BD table pool is destroyed.
>
> Free an allocated ep0 BD list during final endpoint teardown.
>
> This issue was found by our static analysis tool under development.
>
> Fixes: efed421a94e6 ("usb: gadget: Add UDC driver for Broadcom USB3.0 device controller IP BDC")
> Signed-off-by: Guangshuo Li <liguangshuo@mail.sdu.edu.cn>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
--
Florian
prev parent reply other threads:[~2026-11-10 18:02 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-11-10 14:32 Guangshuo Li
2026-11-10 18:02 ` Florian Fainelli [this message]
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