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 6A9E0472F98; Fri, 7 Aug 2026 15:35:00 +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=1786116901; cv=none; b=LEE9UNyI4lLQ2rfZkdtNUnH3iLZj9oB48CcztwuWMTewbPxSIlhHUNHYJnGzq1Jl1BofZZkI8XSwpHVW0ZBfrZX1BcZ1+65n7oNpnRH/70PpTmltjzR8/KMDRzxQLeEyvbOFIafUpisKj6qFxn09KD3JHEG61QvLoGiIRW7kaaU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786116901; c=relaxed/simple; bh=6DIIAh8D5ujmekgzABJeT5jczI6WppwcYjzuKEhvF4M=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=KKsMRXSeFQKn+godDBR6VOcmcV3InJQHnc4DVA+r21dr5tr4EFiVQugR2Uhc0fMGAtcgtnVZCVme0elMb/yzSswfzi0lFzgWGgRVoFWsYFN1HxL9hd8F4MlJHJruPovsJjCilECrND37aSB4tYAvMIGmw/5h3yQYXLm4lggJ7dA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=hXBJRBbf; 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="hXBJRBbf" Received: by smtp.kernel.org (Postfix) with ESMTPSA id BD2CF1F000E9; Fri, 7 Aug 2026 15:34:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1786116900; bh=QpXSjjos3cpZookPC+50RjY3eX+5H0K8yQ9FLDuyBws=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=hXBJRBbfZV3sSHbqWHK+KzFX+13SFhKSSJuVfA6dtm0F3LPfJSNA3WzYQ7XN/RvcU h9NRMhaAvoCMZK73C3Q91sfP29j9fup0ydm4kJfKdC9BkAtusbbsMZ51nce5jApBGK Sc2wdgo9DevJhIhUhQDYFfypGlpAa14q4i+01CuE= 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 7.1 131/438] Bluetooth: ISO: lock sk in iso_sock_getname Date: Fri, 7 Aug 2026 16:35:27 +0200 Message-ID: <20260807143430.787876587@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260807143428.008222056@linuxfoundation.org> References: <20260807143428.008222056@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 7.1-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 f1399ddd6ad05..476c679791234 100644 --- a/net/bluetooth/iso.c +++ b/net/bluetooth/iso.c @@ -1471,6 +1471,8 @@ 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) { @@ -1492,6 +1494,8 @@ 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