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authorKees Cook <keescook@chromium.org>2013-07-03 15:04:58 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-07-03 16:07:41 -0700
commitf170168b9a0b61ea1e647b082b38f605f1d3de3e (patch)
tree4381c129ee9af108e368e6c8255df53cbe233257 /drivers/usb
parentd8537548c924db3c44afde7646b6e220c7beb79d (diff)
downloadlinux-f170168b9a0b61ea1e647b082b38f605f1d3de3e.tar.bz2
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 'drivers/usb')
-rw-r--r--drivers/usb/atm/usbatm.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/usb/atm/usbatm.c b/drivers/usb/atm/usbatm.c
index d3527dd8b90c..5e0d33a7da58 100644
--- a/drivers/usb/atm/usbatm.c
+++ b/drivers/usb/atm/usbatm.c
@@ -1020,7 +1020,7 @@ static int usbatm_heavy_init(struct usbatm_data *instance)
{
struct task_struct *t;
- t = kthread_create(usbatm_do_heavy_init, instance,
+ t = kthread_create(usbatm_do_heavy_init, instance, "%s",
instance->driver->driver_name);
if (IS_ERR(t)) {
usb_err(instance, "%s: failed to create kernel_thread (%ld)!\n",
@@ -1076,7 +1076,8 @@ int usbatm_usb_probe(struct usb_interface *intf, const struct usb_device_id *id,
/* public fields */
instance->driver = driver;
- snprintf(instance->driver_name, sizeof(instance->driver_name), driver->driver_name);
+ strlcpy(instance->driver_name, driver->driver_name,
+ sizeof(instance->driver_name));
instance->usb_dev = usb_dev;
instance->usb_intf = intf;