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 4C40D2BEC34; Mon, 13 Oct 2025 15:16:10 +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=1760368570; cv=none; b=Jdz7e7/YWqxcskTmx8OUJibalJoNa2bQ05xytHQZKMyYzrM5TfKbSzDKVrw14AhokwHDl20k+7JT7qQV0uFjY6fzDyK1nOftWZtNzWzyJRupnQi6gmXD1rkJpSvp1UJNYzpvqH0iuhRsO0ND/uceotfVu34RQf0OyUcOKTthMeg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760368570; c=relaxed/simple; bh=sbKwKH41tuopmMchn5Jq4WPnqMNu16Lx4wop7FNRQS0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=PfjLdcFeb3Ta1vq9roBITk0SYQ8EWqJ8bGwkJ2c81sZXsnYrnSTlqukw16e/jebHhMV7hqj3WZjK4kHovCr8hTBB6TmKjwtuC+ALYU+X5I7D4Y4Zw4m5pLYjnh5KKinOQGg4YE/V5FjUN2YnK17P4m8MyNKMiSA8jfm0UuEoEks= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=CFCeAjEu; 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="CFCeAjEu" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C4E2FC4CEE7; Mon, 13 Oct 2025 15:16:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1760368570; bh=sbKwKH41tuopmMchn5Jq4WPnqMNu16Lx4wop7FNRQS0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=CFCeAjEuSKYumgJ5Il/QKpjzDiJUm8eWz1QsCJuK90dDYnbwNhsV1AozsqPMnMd1b tUJzJ6z349Ru7bF1l6pDO/Vc/fuH6wzXRmbvc5MSNmX9ugRLYHCYoEl6vuc0cMu61I 9Bsmsg8/yk6C/VMMedZ3ge6fNcSpY+MZxTk6ps2g= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Pauli Virtanen , Luiz Augusto von Dentz , Sasha Levin Subject: [PATCH 6.12 205/262] Bluetooth: ISO: dont leak skb in ISO_CONT RX Date: Mon, 13 Oct 2025 16:45:47 +0200 Message-ID: <20251013144333.626877802@linuxfoundation.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20251013144326.116493600@linuxfoundation.org> References: <20251013144326.116493600@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org 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: Pauli Virtanen [ Upstream commit 5bf863f4c5da055c1eb08887ae4f26d99dbc4aac ] For ISO_CONT RX, the data from skb is copied to conn->rx_skb, but the skb is leaked. Free skb after copying its data. Fixes: ccf74f2390d6 ("Bluetooth: Add BTPROTO_ISO socket type") Signed-off-by: Pauli Virtanen Signed-off-by: Luiz Augusto von Dentz Signed-off-by: Sasha Levin --- net/bluetooth/iso.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/bluetooth/iso.c b/net/bluetooth/iso.c index e38f52638627d..2cd0b963c96bd 100644 --- a/net/bluetooth/iso.c +++ b/net/bluetooth/iso.c @@ -2304,7 +2304,7 @@ void iso_recv(struct hci_conn *hcon, struct sk_buff *skb, u16 flags) skb_copy_from_linear_data(skb, skb_put(conn->rx_skb, skb->len), skb->len); conn->rx_len -= skb->len; - return; + break; case ISO_END: skb_copy_from_linear_data(skb, skb_put(conn->rx_skb, skb->len), -- 2.51.0