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Commit bebfef15 authored by Kees Cook's avatar Kees Cook Committed by Artem Bityutskiy
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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: default avatarKees Cook <keescook@chromium.org>
Signed-off-by: default avatarArtem Bityutskiy <artem.bityutskiy@linux.intel.com>
parent 3d21bb76

drivers/mtd/ubi/block.c

+1 −1
Original line number Diff line number Diff line
@@ -431,7 +431,7 @@ int ubiblock_create(struct ubi_volume_info *vi) 
	 * 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);