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 86BEA20010E; Wed, 6 Nov 2024 12:39:33 +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=1730896773; cv=none; b=tet0cjgG8Br1shgmpBiVeXTEvla5kaht3clrTrjFCOQ1ynWNM0lY81Ysxph2hro3Gaqhu+hiY6mCSELg6SbYjYoTJ6MXnKjwYJY12EN3tal7XiJ6PPbbzg7oG61NtRnfLcJFJFskXRNF8/acexLELnyCNbk8xGzIymsj1V8TbqQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730896773; c=relaxed/simple; bh=ULO7wLgl4a5uQ3LX6y9kbuDgqx2dPalqfuFZHkI3Hq4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Me2Ox4svfmlMsLp0rNMAD+RLc8GOJz8Q8Jwx0p4q3aRK33GeQ9PeZJzUsq8To3PGUgNd/W2uGcqCPHe7TjlBFi4GmiireFOyh64znrlAKJjzX7pGJcrdUo1zQsuZahodBEtbmkaifR+2LBEGdDjwtcNXOeduNGHuYqpihUU1U8M= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=V9KSbf7p; 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="V9KSbf7p" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 71A51C4CED8; Wed, 6 Nov 2024 12:39:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1730896773; bh=ULO7wLgl4a5uQ3LX6y9kbuDgqx2dPalqfuFZHkI3Hq4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=V9KSbf7pYe6YzeWRZCDjq2Gd+JtQMzxnQjxLNxdAql31Pbt1hJYOkOvp3LseX3CDw b5l9XymTeJxM0gOQWb1QgaGrXQaTa/SuQJDJKrIM4ImdBw1Cqnx2RVxu6yPhJdXdjJ uRt7VyFTz5Din9A4RR+V+jXSIqY1+n0cktKqelp8= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Dave Kleikamp , Sasha Levin Subject: [PATCH 5.10 031/110] jfs: Fix sanity check in dbMount Date: Wed, 6 Nov 2024 13:03:57 +0100 Message-ID: <20241106120304.048106342@linuxfoundation.org> X-Mailer: git-send-email 2.47.0 In-Reply-To: <20241106120303.135636370@linuxfoundation.org> References: <20241106120303.135636370@linuxfoundation.org> User-Agent: quilt/0.67 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 5.10-stable review patch. If anyone has any objections, please let me know. ------------------ From: Dave Kleikamp [ Upstream commit 67373ca8404fe57eb1bb4b57f314cff77ce54932 ] MAXAG is a legitimate value for bmp->db_numag Fixes: e63866a47556 ("jfs: fix out-of-bounds in dbNextAG() and diAlloc()") Signed-off-by: Dave Kleikamp Signed-off-by: Sasha Levin --- fs/jfs/jfs_dmap.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/jfs/jfs_dmap.c b/fs/jfs/jfs_dmap.c index 8efd93992946b..559f6ebebfc0c 100644 --- a/fs/jfs/jfs_dmap.c +++ b/fs/jfs/jfs_dmap.c @@ -187,7 +187,7 @@ int dbMount(struct inode *ipbmap) } bmp->db_numag = le32_to_cpu(dbmp_le->dn_numag); - if (!bmp->db_numag || bmp->db_numag >= MAXAG) { + if (!bmp->db_numag || bmp->db_numag > MAXAG) { err = -EINVAL; goto err_release_metapage; } -- 2.43.0