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>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/mtd/ubi/build.c b/drivers/mtd/ubi/build.c
index a56133585e92..0aaece9107c7 100644
--- a/drivers/mtd/ubi/build.c
+++ b/drivers/mtd/ubi/build.c
@@ -1005,7 +1005,7 @@ int ubi_attach_mtd_dev(struct mtd_info *mtd, int ubi_num,
         if (err)
                 goto out_uif;
 
-        ubi->bgt_thread = kthread_create(ubi_thread, ubi, ubi->bgt_name);
+        ubi->bgt_thread = kthread_create(ubi_thread, ubi, "%s", ubi->bgt_name);
         if (IS_ERR(ubi->bgt_thread)) {
                 err = PTR_ERR(ubi->bgt_thread);
                 ubi_err("cannot spawn \"%s\", error %d", ubi->bgt_name,