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 <keesc...@chromium.org> --- drivers/mtd/ubi/block.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/mtd/ubi/block.c b/drivers/mtd/ubi/block.c index 7ff473c871a9..8d659e6a1b4c 100644 --- a/drivers/mtd/ubi/block.c +++ b/drivers/mtd/ubi/block.c @@ -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); -- 1.7.9.5 -- Kees Cook Chrome OS Security -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/