diff options
| author | Kees Cook <keescook@chromium.org> | 2013-07-03 15:04:58 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-07-03 16:07:41 -0700 |
| commit | f170168b9a0b61ea1e647b082b38f605f1d3de3e (patch) | |
| tree | 4381c129ee9af108e368e6c8255df53cbe233257 /kernel | |
| parent | d8537548c924db3c44afde7646b6e220c7beb79d (diff) | |
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>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/rcutree.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/rcutree.c b/kernel/rcutree.c index cf3adc6fe001..e08abb9461ac 100644 --- a/kernel/rcutree.c +++ b/kernel/rcutree.c @@ -3026,7 +3026,7 @@ static int __init rcu_spawn_gp_kthread(void) struct task_struct *t; for_each_rcu_flavor(rsp) { - t = kthread_run(rcu_gp_kthread, rsp, rsp->name); + t = kthread_run(rcu_gp_kthread, rsp, "%s", rsp->name); BUG_ON(IS_ERR(t)); rnp = rcu_get_root(rsp); raw_spin_lock_irqsave(&rnp->lock, flags); |