26 lines
		
	
	
		
			959 B
		
	
	
	
		
			Diff
		
	
	
	
	
	
			
		
		
	
	
			26 lines
		
	
	
		
			959 B
		
	
	
	
		
			Diff
		
	
	
	
	
	
| From bebfef150e0b8fa68704cddacf05b8c26462d565 Mon Sep 17 00:00:00 2001
 | |
| From: Kees Cook <keescook@chromium.org>
 | |
| Date: Mon, 7 Apr 2014 21:44:07 -0700
 | |
| Subject: [PATCH] UBI: avoid workqueue format string leak
 | |
| 
 | |
| When building the name for the workqueue thread, make sure a format
 | |
| string cannot leak in from the disk name.
 | |
| 
 | |
| Signed-off-by: Kees Cook <keescook@chromium.org>
 | |
| Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
 | |
| ---
 | |
|  drivers/mtd/ubi/block.c | 2 +-
 | |
|  1 file changed, 1 insertion(+), 1 deletion(-)
 | |
| 
 | |
| --- a/drivers/mtd/ubi/block.c
 | |
| +++ b/drivers/mtd/ubi/block.c
 | |
| @@ -431,7 +431,7 @@ int ubiblock_create(struct ubi_volume_in
 | |
|  	 * Create one workqueue per volume (per registered block device).
 | |
|  	 * Rembember workqueues are cheap, they're not threads.
 | |
|  	 */
 | |
| -	dev->wq = alloc_workqueue(gd->disk_name, 0, 0);
 | |
| +	dev->wq = alloc_workqueue("%s", 0, 0, gd->disk_name);
 | |
|  	if (!dev->wq)
 | |
|  		goto out_free_queue;
 | |
|  	INIT_WORK(&dev->work, ubiblock_do_work);
 | 
