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 D428118CC1F; Mon, 28 Oct 2024 06:28:51 +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=1730096931; cv=none; b=G65t4OiUC5edWQvbSGrXSF6wJvt9EEhfaKSX9ijJYlh3dVLQ0DgTWhs4wpcvaiAnG73OzDtvSbavz5i8vVGJ6nuRtfCDjoosB58UNvw29+XoddfwHV2LteEBc//OrMf4kHF3KraW2ym/zKfHOUUNgNcKd+vkSmULUqkzRFFbZ+k= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730096931; c=relaxed/simple; bh=Nl/sCs4zlKlDVkfk5i/DCF1lYYGRrfFnDySNl4p09R0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=M0dnMD38kk+J09tCFfhEibJ075dEj874QzVsgk+echSwiUE7p2XgZ8+9xAO9S0ZjrS9hscOBuB0ICZFjAjLnDfaOhLGxlMWSeZus4tXMMPyBErF/Y14/fibeJaRBfkxBvVl1ZKvi21zvlS5vY5jZdBa/QSPVMQg+1OYhHT++Fn8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=XJLHcGaM; 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="XJLHcGaM" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7729CC4CEC3; Mon, 28 Oct 2024 06:28:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1730096931; bh=Nl/sCs4zlKlDVkfk5i/DCF1lYYGRrfFnDySNl4p09R0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=XJLHcGaM8cwEJmTd+lttvk6MAaaWbqpQd/ipWLVaNYolNoA4QeQRH0v7MFmWXbeaU iV1H0zNb8Srj+Mnr4tgQNho1T5uSxTLuylc8IoDqrTkjN6cK4ULglfCIxAUjWYbL61 sPsUJwS5+vYNrQ1yiZBA32JG3BS6FNJC5VIjBRwo= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Dave Kleikamp , Sasha Levin Subject: [PATCH 5.15 50/80] jfs: Fix sanity check in dbMount Date: Mon, 28 Oct 2024 07:25:30 +0100 Message-ID: <20241028062254.008705219@linuxfoundation.org> X-Mailer: git-send-email 2.47.0 In-Reply-To: <20241028062252.611837461@linuxfoundation.org> References: <20241028062252.611837461@linuxfoundation.org> User-Agent: quilt/0.67 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 5.15-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 2c8905391ad3e..3fa78e5f9b21e 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