From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 223FB2EB5CE; Tue, 11 Nov 2025 01:32:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762824750; cv=none; b=lJrs2YDU7U9rAwU+1Ks6/IBEnM6VEGHjaNhBGGtUJ07HeOXjVLVOu5KbM1LOSUUATEwHuSZnlepSbwxw72gJSOZIe2yR6MxLivbOO90p3IhRxc//6ZmpPfkPD/SbkPrp2qoeSVABGZP53cVFCtFy/aNbRe7YQNhG3kIi9BrN2is= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762824750; c=relaxed/simple; bh=KPpyqMNEzL1cvFeDjO9HYzSq2sEWec+qomyTp22Xzgk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=LeV7ERV6y5HCyHWoOSipNEna4V/66GZbkFrOtMlRLVBuZKnvbM2LvRiUI7R4y5cY6JQxzjMdn9ngyRdiF4WFeRrpoik5gmfCungiZpwnHhFon/Q7PVVGj3SAAaT89PTwrcDbVaAS1WNM+BO9cx1vni/NwnrZBfLf634xK6cvnu8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=BvKf2zLB; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="BvKf2zLB" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A8DEFC4CEFB; Tue, 11 Nov 2025 01:32:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1762824750; bh=KPpyqMNEzL1cvFeDjO9HYzSq2sEWec+qomyTp22Xzgk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=BvKf2zLBJEmPVR/jt2FVfTWlSlHgd5i6Dw5yozJY14jGYlm7V3hmRNnqrgR3BwcFO FdoywDlKeQbO7X0aFIYH5qXaCjnBwVX9Log6meVeOWrUWdfS5d9CcNsb9MTfM/L60C obnWIkBWM7+q7HFBZPnWrcXpOrKXyOYCYNnBidP8= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Abdun Nihaal , Luiz Augusto von Dentz , Sasha Levin Subject: [PATCH 6.12 510/565] Bluetooth: btrtl: Fix memory leak in rtlbt_parse_firmware_v2() Date: Tue, 11 Nov 2025 09:46:06 +0900 Message-ID: <20251111004538.427390604@linuxfoundation.org> X-Mailer: git-send-email 2.51.2 In-Reply-To: <20251111004526.816196597@linuxfoundation.org> References: <20251111004526.816196597@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 6.12-stable review patch. If anyone has any objections, please let me know. ------------------ From: Abdun Nihaal [ Upstream commit 1c21cf89a66413eb04b2d22c955b7a50edc14dfa ] The memory allocated for ptr using kvmalloc() is not freed on the last error path. Fix that by freeing it on that error path. Fixes: 9a24ce5e29b1 ("Bluetooth: btrtl: Firmware format v2 support") Signed-off-by: Abdun Nihaal Signed-off-by: Luiz Augusto von Dentz Signed-off-by: Sasha Levin --- drivers/bluetooth/btrtl.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/bluetooth/btrtl.c b/drivers/bluetooth/btrtl.c index 59eb948664223..c4431c5976b40 100644 --- a/drivers/bluetooth/btrtl.c +++ b/drivers/bluetooth/btrtl.c @@ -625,8 +625,10 @@ static int rtlbt_parse_firmware_v2(struct hci_dev *hdev, len += entry->len; } - if (!len) + if (!len) { + kvfree(ptr); return -EPERM; + } *_buf = ptr; return len; -- 2.51.0