From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 623433C1081; Tue, 21 Jul 2026 21:56:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784670996; cv=none; b=r2hwKUTG8769zdzPZdezuGCoYm3ZApp1c0Z1YTivlD00/xk3xLv9GK0nV/DWpTvW+icxcuKp1rsvtD6z/iAR79t7Z7ztW2z6mfzM2FKZ0xaasTcMIci+uiTmQHwVDiwW4pIYBnJ7Mb6s/BWMUu6MOW8KOfhks6g7ybrX2EcUr0w= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784670996; c=relaxed/simple; bh=kSwtwAp+r/Bha5E5ptQFJSWHWYSlD82IzrBm0IEtjys=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=tJEuPI095MSBhNaKOcTpxFwV7d6ndqiJ7HEBs34isGQTskxzNyJqs8ZrFWmGceFPRg4h99GNQDJpPY7XfoG94on1xOHSUMD924/u/D+JLSBnmXjAxbeWMmRYuNjiQHvs4u+7UEMY5ys9s9SH7EcX6jSJpnpK76/hA73CZbqrCQg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=apuAEWyN; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="apuAEWyN" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C30E21F000E9; Tue, 21 Jul 2026 21:56:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1784670995; bh=zyCOVz3S2Cb8HCG+NorxIB6awKSSAHhgiTswtJv3z+U=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=apuAEWyNoXtOC53BMefYE1PSFvWq2RP0+up7OJs0x6tIjwhjMqEHS8hq7OAyIVpbK Y/A8U+/pjWyVLIwr/X1siJHWgnqqgK119mV0lsPVZxN3NAy34MW6EUSV3jBE0VwGWX ifvhIEZkJjUeYWhZ8vfqMmcDdePnLg8W+pxV8nWg= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Rajat Jain , Johan Hovold , Luiz Augusto von Dentz Subject: [PATCH 5.15 077/843] Bluetooth: btusb: fix use-after-free on marvell probe failure Date: Tue, 21 Jul 2026 17:15:12 +0200 Message-ID: <20260721152407.726469918@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260721152405.946368001@linuxfoundation.org> References: <20260721152405.946368001@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Johan Hovold commit c5b600a3c05b1a7a110d558df935a8fc8a471c79 upstream. Make sure to stop any TX URBs submitted during Marvell OOB wakeup configuration on later probe failures to avoid use-after-free in the completion callback. This issue was reported by Sashiko while reviewing a fix for a wakeup source leak in the btusb probe errors paths. Link: https://sashiko.dev/#/patchset/20260402092704.2346710-1-johan%40kernel.org Fixes: a4ccc9e33d2f ("Bluetooth: btusb: Configure Marvell to use one of the pins for oob wakeup") Cc: stable@vger.kernel.org # 4.11 Cc: Rajat Jain Signed-off-by: Johan Hovold Signed-off-by: Luiz Augusto von Dentz Signed-off-by: Greg Kroah-Hartman --- drivers/bluetooth/btusb.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -3946,7 +3946,7 @@ static int btusb_probe(struct usb_interf if (id->driver_info & BTUSB_INTEL_COMBINED) { err = btintel_configure_setup(hdev); if (err) - goto out_free_dev; + goto err_kill_tx_urbs; /* Transport specific configuration */ hdev->send = btusb_send_frame_intel; @@ -4084,7 +4084,7 @@ static int btusb_probe(struct usb_interf err = usb_set_interface(data->udev, 0, 0); if (err < 0) { BT_ERR("failed to set interface 0, alt 0 %d", err); - goto out_free_dev; + goto err_kill_tx_urbs; } } @@ -4092,7 +4092,7 @@ static int btusb_probe(struct usb_interf err = usb_driver_claim_interface(&btusb_driver, data->isoc, data); if (err < 0) - goto out_free_dev; + goto err_kill_tx_urbs; } if (IS_ENABLED(CONFIG_BT_HCIBTUSB_BCM) && data->diag) { @@ -4123,6 +4123,8 @@ err_release_siblings: usb_set_intfdata(data->isoc, NULL); usb_driver_release_interface(&btusb_driver, data->isoc); } +err_kill_tx_urbs: + usb_kill_anchored_urbs(&data->tx_anchor); out_free_dev: if (data->reset_gpio) gpiod_put(data->reset_gpio);