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);