From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from sender-of-o53.zoho.eu (sender-of-o53.zoho.eu [136.143.169.53]) (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 E5CCC3890E7; Sat, 14 Mar 2026 22:34:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=pass smtp.client-ip=136.143.169.53 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773527681; cv=pass; b=pej4vfg9kd1hNFLjmgLn/czrtSlq5t1saqjEpvFipAzrI7/Jc903pIpFelfrxsJdogs4FIt9jho3Es+40wtv/m5wqoX+9+BMujtka7EgwwNgq5mlbvHx9Xky21GCgl6Xhq6K32FbjiPE3gI1gCO+Ny4hspPBDP48nwZD//7VRp4= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773527681; c=relaxed/simple; bh=kDcgT5gXzTP1fqOGMdxALgedri0gVcD3is/FfzavjKc=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=KJcTLHJQa6xVdT5VRfnQCluNtkwnNp4sHlYsZKutLzYYI+Z6LROlMzA1g6XBDVxRWgH2j0IQSLUnhPOpKupooN1Cu0xYpfl5g9A6AL+/TJIPr89CWmQIWoBThO9Nfxd1qiakeTLrX9PIcqK7l6YvTaCfx+r27/yeWqPXdRRpiTA= ARC-Authentication-Results:i=2; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=objecting.org; spf=pass smtp.mailfrom=objecting.org; dkim=pass (1024-bit key) header.d=objecting.org header.i=objecting@objecting.org header.b=hlUQX9Cf; arc=pass smtp.client-ip=136.143.169.53 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=objecting.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=objecting.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=objecting.org header.i=objecting@objecting.org header.b="hlUQX9Cf" ARC-Seal: i=1; a=rsa-sha256; t=1773527672; cv=none; d=zohomail.eu; s=zohoarc; b=GxdHUyYn+CwQ/6Y3A2/j7ELjdDSCq5R9gKCV2EU+afdiIAF/SXbb1xcAcNpktA6VHtMkO7Ebn5vpQU+mZlXOTKzfZAlDqjuFBZ7X8aJDK4hAlQ7UwwoEewsPGg/FVZcQuPhAPF+RSci5mcTlhKRRfBym1iBUBQd4ryRenwMa47U= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.eu; s=zohoarc; t=1773527672; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:MIME-Version:Message-ID:References:Subject:Subject:To:To:Message-Id:Reply-To; bh=7bmeZKaQTYKiPdWWEUmU4EJNbpBFQlYVqCIGyMl5PZg=; b=IGmtg9jox5eIDRPtO4+dOHrpkjMB5Hz4FiHmrv3EtZRN77ErOFh5nIfUErdQgEKTSGkQ68GBKS6v8iPNVSJXXOQBhxB/oiwQsLlT13QfYYCSgkmkSQ2Hk4vLGeSoAHE18l9rqC36m7IzeET8vDWWLAnBhApqyvkuZCpENN9w2Iw= ARC-Authentication-Results: i=1; mx.zohomail.eu; dkim=pass header.i=objecting.org; spf=pass smtp.mailfrom=objecting@objecting.org; dmarc=pass header.from= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1773527672; s=zmail; d=objecting.org; i=objecting@objecting.org; h=From:From:To:To:Cc:Cc:Subject:Subject:Date:Date:Message-Id:Message-Id:In-Reply-To:References:MIME-Version:Content-Transfer-Encoding:Reply-To; bh=7bmeZKaQTYKiPdWWEUmU4EJNbpBFQlYVqCIGyMl5PZg=; b=hlUQX9CfPnFFh0ZiKtcC7qdC2K3S6m77zmFsUdIX1fuw36ueY3OZ2UWocUI72H+t sZtTVltO9stGeRMUu6Uzv9hKyKwj0v2uKWZl/wrkEv9EEV5s6kmQuampZjv7YV9CG8U 2P1TkqWycnplocqg0BodFNWAvzRVhcEyYjGG+L34= Received: by mx.zoho.eu with SMTPS id 1773527670807699.9089571616523; Sat, 14 Mar 2026 23:34:30 +0100 (CET) From: Josh Law To: Masami Hiramatsu , Andrew Morton Cc: linux-trace-kernel@vger.kernel.org, linux-kernel@vger.kernel.org, Josh Law Subject: [PATCH v3 08/17] lib/bootconfig: fix off-by-one in xbc_verify_tree() next node check Date: Sat, 14 Mar 2026 22:34:16 +0000 Message-Id: <20260314223425.142966-9-objecting@objecting.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260314223425.142966-1-objecting@objecting.org> References: <20260314223425.142966-1-objecting@objecting.org> Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-ZohoMailClient: External Valid node indices are 0 to xbc_node_num-1, so a next value equal to xbc_node_num is out of bounds. Use >= instead of > to catch this. Signed-off-by: Josh Law --- lib/bootconfig.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lib/bootconfig.c b/lib/bootconfig.c index 58d6ae297280..56fbedc9e725 100644 --- a/lib/bootconfig.c +++ b/lib/bootconfig.c @@ -816,7 +816,7 @@ static int __init xbc_verify_tree(void) } for (i = 0; i < xbc_node_num; i++) { - if (xbc_nodes[i].next > xbc_node_num) { + if (xbc_nodes[i].next >= xbc_node_num) { return xbc_parse_error("No closing brace", xbc_node_get_data(xbc_nodes + i)); } -- 2.34.1