drivers/power/supply/cros_usbpd-charger.c:15:49: warning: '%d' directive writing between 1 and 11 bytes into a region of size 5
From: kernel test robot
Date: Tue Dec 03 2024 - 06:57:47 EST
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: cdd30ebb1b9f36159d66f088b61aee264e649d7a
commit: 47f11e0b40e97f373da4efbacee0a9526c816ed5 mfd / platform: cros_ec: Move cros-ec core driver out from MFD
date: 5 years ago
config: arm64-randconfig-004-20240106 (https://download.01.org/0day-ci/archive/20241203/202412031910.gddwrzU5-lkp@xxxxxxxxx/config)
compiler: aarch64-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241203/202412031910.gddwrzU5-lkp@xxxxxxxxx/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202412031910.gddwrzU5-lkp@xxxxxxxxx/
All warnings (new ones prefixed by >>):
drivers/power/supply/cros_usbpd-charger.c: In function 'cros_usbpd_charger_probe':
>> drivers/power/supply/cros_usbpd-charger.c:15:49: warning: '%d' directive writing between 1 and 11 bytes into a region of size 5 [-Wformat-overflow=]
15 | #define CHARGER_USBPD_DIR_NAME "CROS_USBPD_CHARGER%d"
| ^~~~~~~~~~~~~~~~~~~~~~
drivers/power/supply/cros_usbpd-charger.c:656:45: note: in expansion of macro 'CHARGER_USBPD_DIR_NAME'
656 | sprintf(port->name, CHARGER_USBPD_DIR_NAME, i);
| ^~~~~~~~~~~~~~~~~~~~~~
drivers/power/supply/cros_usbpd-charger.c:15:68: note: format string is defined here
15 | #define CHARGER_USBPD_DIR_NAME "CROS_USBPD_CHARGER%d"
| ^~
drivers/power/supply/cros_usbpd-charger.c:15:49: note: directive argument in the range [-2147483641, 2147483646]
15 | #define CHARGER_USBPD_DIR_NAME "CROS_USBPD_CHARGER%d"
| ^~~~~~~~~~~~~~~~~~~~~~
drivers/power/supply/cros_usbpd-charger.c:656:45: note: in expansion of macro 'CHARGER_USBPD_DIR_NAME'
656 | sprintf(port->name, CHARGER_USBPD_DIR_NAME, i);
| ^~~~~~~~~~~~~~~~~~~~~~
drivers/power/supply/cros_usbpd-charger.c:656:25: note: 'sprintf' output between 20 and 30 bytes into a destination of size 23
656 | sprintf(port->name, CHARGER_USBPD_DIR_NAME, i);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
vim +15 drivers/power/supply/cros_usbpd-charger.c
f68b883e8fad23 Sameer Nanda 2018-05-02 14
3af15cfacd1eef Fabien Parent 2018-08-10 @15 #define CHARGER_USBPD_DIR_NAME "CROS_USBPD_CHARGER%d"
3af15cfacd1eef Fabien Parent 2018-08-10 16 #define CHARGER_DEDICATED_DIR_NAME "CROS_DEDICATED_CHARGER"
3af15cfacd1eef Fabien Parent 2018-08-10 17 #define CHARGER_DIR_NAME_LENGTH (sizeof(CHARGER_USBPD_DIR_NAME) >= \
3af15cfacd1eef Fabien Parent 2018-08-10 18 sizeof(CHARGER_DEDICATED_DIR_NAME) ? \
3af15cfacd1eef Fabien Parent 2018-08-10 19 sizeof(CHARGER_USBPD_DIR_NAME) : \
3af15cfacd1eef Fabien Parent 2018-08-10 20 sizeof(CHARGER_DEDICATED_DIR_NAME))
f68b883e8fad23 Sameer Nanda 2018-05-02 21 #define CHARGER_CACHE_UPDATE_DELAY msecs_to_jiffies(500)
f68b883e8fad23 Sameer Nanda 2018-05-02 22 #define CHARGER_MANUFACTURER_MODEL_LENGTH 32
f68b883e8fad23 Sameer Nanda 2018-05-02 23
:::::: The code at line 15 was first introduced by commit
:::::: 3af15cfacd1eef7f223802d49a88cae23c509183 power: supply: cros: add support for dedicated port
:::::: TO: Fabien Parent <fparent@xxxxxxxxxxxx>
:::::: CC: Sebastian Reichel <sre@xxxxxxxxxx>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki