drivers: avoid parsing names as kthread_run() format strings
Calling kthread_run with a single name parameter causes it to be handled
as a format string. Many callers are passing potentially dynamic string
content, so use "%s" in those cases to avoid any potential accidents.
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index 32b7bb1..085db8b 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -601,7 +601,7 @@
init_kthread_worker(&master->kworker);
master->kworker_task = kthread_run(kthread_worker_fn,
- &master->kworker,
+ &master->kworker, "%s",
dev_name(&master->dev));
if (IS_ERR(master->kworker_task)) {
dev_err(&master->dev, "failed to create message pump task\n");