* drivers/pci/hotplug/octep_hp.c:312:53: warning: '%d' directive output may be truncated writing between 1 and 10 bytes into a region of size 7
@ 2025-03-19 6:23 kernel test robot
0 siblings, 0 replies; 2+ messages in thread
From: kernel test robot @ 2025-03-19 6:23 UTC (permalink / raw)
To: Shijith Thotton
Cc: oe-kbuild-all, linux-kernel, Bjorn Helgaas, Vamsi Attunuru
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 81e4f8d68c66da301bb881862735bd74c6241a19
commit: e434e54d3ffcd17eeadfcf3cf434bc1dff36daff PCI: hotplug: Add OCTEON PCI hotplug controller driver
date: 4 months ago
config: arm-allmodconfig (https://download.01.org/0day-ci/archive/20250319/202503191406.iySrpFbN-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 8.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250319/202503191406.iySrpFbN-lkp@intel.com/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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202503191406.iySrpFbN-lkp@intel.com/
All warnings (new ones prefixed by >>):
drivers/pci/hotplug/octep_hp.c: In function 'octep_hp_pci_probe':
>> drivers/pci/hotplug/octep_hp.c:312:53: warning: '%d' directive output may be truncated writing between 1 and 10 bytes into a region of size 7 [-Wformat-truncation=]
snprintf(intr->name, sizeof(intr->name), "octep_hp_%d", type);
^~
drivers/pci/hotplug/octep_hp.c:312:43: note: directive argument in the range [0, 2147483646]
snprintf(intr->name, sizeof(intr->name), "octep_hp_%d", type);
^~~~~~~~~~~~~
drivers/pci/hotplug/octep_hp.c:312:2: note: 'snprintf' output between 11 and 20 bytes into a destination of size 16
snprintf(intr->name, sizeof(intr->name), "octep_hp_%d", type);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Kconfig warnings: (for reference only)
WARNING: unmet direct dependencies detected for GET_FREE_REGION
Depends on [n]: SPARSEMEM [=n]
Selected by [m]:
- RESOURCE_KUNIT_TEST [=m] && RUNTIME_TESTING_MENU [=y] && KUNIT [=m]
vim +312 drivers/pci/hotplug/octep_hp.c
297
298 static int octep_hp_request_irq(struct octep_hp_controller *hp_ctrl,
299 enum octep_hp_intr_type type)
300 {
301 struct pci_dev *pdev = hp_ctrl->pdev;
302 struct octep_hp_intr_info *intr;
303 int irq;
304
305 irq = pci_irq_vector(pdev, OCTEP_HP_INTR_VECTOR(type));
306 if (irq < 0)
307 return irq;
308
309 intr = &hp_ctrl->intr[type];
310 intr->number = irq;
311 intr->type = type;
> 312 snprintf(intr->name, sizeof(intr->name), "octep_hp_%d", type);
313
314 return devm_request_irq(&pdev->dev, irq, octep_hp_intr_handler,
315 IRQF_SHARED, intr->name, hp_ctrl);
316 }
317
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] 2+ messages in thread
* drivers/pci/hotplug/octep_hp.c:312:53: warning: '%d' directive output may be truncated writing between 1 and 10 bytes into a region of size 7
@ 2025-07-26 12:06 kernel test robot
0 siblings, 0 replies; 2+ messages in thread
From: kernel test robot @ 2025-07-26 12:06 UTC (permalink / raw)
To: Shijith Thotton
Cc: oe-kbuild-all, linux-kernel, Bjorn Helgaas, Vamsi Attunuru
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 5f33ebd2018ced2600b3fad2f8e2052498eb4072
commit: e434e54d3ffcd17eeadfcf3cf434bc1dff36daff PCI: hotplug: Add OCTEON PCI hotplug controller driver
date: 9 months ago
config: powerpc-randconfig-2005-20250726 (https://download.01.org/0day-ci/archive/20250726/202507261457.SXXHOjUk-lkp@intel.com/config)
compiler: powerpc-linux-gcc (GCC) 8.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250726/202507261457.SXXHOjUk-lkp@intel.com/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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202507261457.SXXHOjUk-lkp@intel.com/
All warnings (new ones prefixed by >>):
drivers/pci/hotplug/octep_hp.c: In function 'octep_hp_pci_probe':
>> drivers/pci/hotplug/octep_hp.c:312:53: warning: '%d' directive output may be truncated writing between 1 and 10 bytes into a region of size 7 [-Wformat-truncation=]
snprintf(intr->name, sizeof(intr->name), "octep_hp_%d", type);
^~
drivers/pci/hotplug/octep_hp.c:312:43: note: directive argument in the range [0, 2147483646]
snprintf(intr->name, sizeof(intr->name), "octep_hp_%d", type);
^~~~~~~~~~~~~
drivers/pci/hotplug/octep_hp.c:312:2: note: 'snprintf' output between 11 and 20 bytes into a destination of size 16
snprintf(intr->name, sizeof(intr->name), "octep_hp_%d", type);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
vim +312 drivers/pci/hotplug/octep_hp.c
297
298 static int octep_hp_request_irq(struct octep_hp_controller *hp_ctrl,
299 enum octep_hp_intr_type type)
300 {
301 struct pci_dev *pdev = hp_ctrl->pdev;
302 struct octep_hp_intr_info *intr;
303 int irq;
304
305 irq = pci_irq_vector(pdev, OCTEP_HP_INTR_VECTOR(type));
306 if (irq < 0)
307 return irq;
308
309 intr = &hp_ctrl->intr[type];
310 intr->number = irq;
311 intr->type = type;
> 312 snprintf(intr->name, sizeof(intr->name), "octep_hp_%d", type);
313
314 return devm_request_irq(&pdev->dev, irq, octep_hp_intr_handler,
315 IRQF_SHARED, intr->name, hp_ctrl);
316 }
317
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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