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 2030437F334; Fri, 7 Aug 2026 15:02:37 +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=1786114958; cv=none; b=ALdSR8t61TSCN8Qj4JCgJ3HyML3AusDx0/gjD75s/LKoJxDu6G8hxCqxJZbAJVC6Q/44Pk7dxLkvxYgd0G/kBHydNcbdOqaYOI8f8hkJaEHv4VWZ9/4ngEfFfavbNuQurDq4fnjseEUY9xhPsagakUHnvpIFdLp8g5gg4Yv3yHA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786114958; c=relaxed/simple; bh=oj2u7j6RTklBJMqGSk45ir34hSF5u16KXCDzgLuakPM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=RCVJU0aWVkTZO9vPc5dE4aKrqGsyFgOaQHOPk5KLInvNTgPj5jtna+Dpy9EjBBIsHYdmibed4DtF45lIJiicsp0IhX+vBF5IW1wI0nK/RzFsGumCFC47d/FIk+BkhJ9dlx7GP2pNj5ChKoKVyLn91QFm/0jNbBXeXTGKH/w2Zy8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=Wuj5wbdn; 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="Wuj5wbdn" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7C0E31F000E9; Fri, 7 Aug 2026 15:02:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1786114957; bh=ErNMScAUR9/xy8Nsaxauk7cr0EIidBefDTPI60VTFkM=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=Wuj5wbdndrFj/SxZcijnpxBgX8bGxWtRBYml/dGNy+e41RlVAOajx96hrASqBVNfk PUs3fP7nChqq7lAhoO6HhLGyh+kakn1tXfbiMNYZWDJ5W1CDZqDB6CikO+z8zwXANp LE9EOur5tJp+Anm3359oGy+J5wRtxlOZ0ZUTrrys= 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 6.18 108/396] Bluetooth: ISO: lock sk in iso_sock_getname Date: Fri, 7 Aug 2026 16:34:28 +0200 Message-ID: <20260807143426.624451655@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260807143424.272339768@linuxfoundation.org> References: <20260807143424.272339768@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 6.18-stable review patch. If anyone has any objections, please let me know. ------------------ From: Pauli Virtanen [ Upstream commit 89cf154d7c18e6e94a3da83051f3cf2bac317ae2 ] Accessing iso_pi(sk)->conn requires lock_sock, which is not held here. Fix by adding the lock/release. Fixes: 2df108c227b2 ("Bluetooth: ISO: Fix using BT_SK_PA_SYNC to detect BIS sockets") Signed-off-by: Pauli Virtanen Signed-off-by: Luiz Augusto von Dentz Signed-off-by: Sasha Levin --- net/bluetooth/iso.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/net/bluetooth/iso.c b/net/bluetooth/iso.c index 5868ad1f7128e..4ea41b093ac65 100644 --- a/net/bluetooth/iso.c +++ b/net/bluetooth/iso.c @@ -1392,6 +1392,8 @@ static int iso_sock_getname(struct socket *sock, struct sockaddr *addr, BT_DBG("sock %p, sk %p", sock, sk); + lock_sock(sk); + addr->sa_family = AF_BLUETOOTH; if (peer) { @@ -1413,6 +1415,8 @@ static int iso_sock_getname(struct socket *sock, struct sockaddr *addr, sa->iso_bdaddr_type = iso_pi(sk)->src_type; } + release_sock(sk); + return len; } -- 2.53.0