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drivers: avoid parsing names as kthread_run() format strings

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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 <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Kees Cook 2013-07-03 15:04:58 -07:00 • committed by Linus Torvalds
commit f170168b9a
19 changed files with 28 additions and 22 deletions
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2
drivers/mtd/ubi/build.c
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@ -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,