linux-kernel - [ 26/62] module: taint kernel when lve module is loaded

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Message-Id: <20121019024300.183823614@linuxfoundation.org>
Date:	Thu, 18 Oct 2012 19:44:54 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	alan@...rguk.ukuu.org.uk, Matthew Garrett <mjg59@...f.ucam.org>,
	Alex Lyashkov <umka@...udlinux.com>,
	Rusty Russell <rusty@...tcorp.com.au>
Subject: [ 26/62] module: taint kernel when lve module is loaded

3.4-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Matthew Garrett <mjg59@...f.ucam.org>

commit c99af3752bb52ba3aece5315279a57a477edfaf1 upstream.

Cloudlinux have a product called lve that includes a kernel module. This
was previously GPLed but is now under a proprietary license, but the
module continues to declare MODULE_LICENSE("GPL") and makes use of some
EXPORT_SYMBOL_GPL symbols. Forcibly taint it in order to avoid this.

Signed-off-by: Matthew Garrett <mjg59@...f.ucam.org>
Cc: Alex Lyashkov <umka@...udlinux.com>
Signed-off-by: Rusty Russell <rusty@...tcorp.com.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 kernel/module.c |    4 ++++
 1 file changed, 4 insertions(+)

--- a/kernel/module.c
+++ b/kernel/module.c
@@ -2729,6 +2729,10 @@ static int check_module_license_and_vers
 	if (strcmp(mod->name, "driverloader") == 0)
 		add_taint_module(mod, TAINT_PROPRIETARY_MODULE);
 
+	/* lve claims to be GPL but upstream won't provide source */
+	if (strcmp(mod->name, "lve") == 0)
+		add_taint_module(mod, TAINT_PROPRIETARY_MODULE);
+
 #ifdef CONFIG_MODVERSIONS
 	if ((mod->num_syms && !mod->crcs)
 	    || (mod->num_gpl_syms && !mod->gpl_crcs)


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