drivers/scsi/mpi3mr/mpi3mr_fw.c:721:58: warning: '%d' directive output may be truncated writing between 1 and 3 bytes into a region of size between 1 and 32
From: kernel test robot
Date: Thu Nov 02 2023 - 14:47:29 EST
Hi Masahiro,
First bad commit (maybe != root cause):
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 21e80f3841c01aeaf32d7aee7bbc87b3db1aa0c6
commit: 3753af778dd9d0d5199d6a7d01b0ead33135d095 kbuild: fix single directory build
date: 1 year, 1 month ago
config: parisc-randconfig-002-20231102 (https://download.01.org/0day-ci/archive/20231103/202311030237.81SbvSC3-lkp@xxxxxxxxx/config)
compiler: hppa-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231103/202311030237.81SbvSC3-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/202311030237.81SbvSC3-lkp@xxxxxxxxx/
All warnings (new ones prefixed by >>):
drivers/scsi/mpi3mr/mpi3mr_fw.c: In function 'mpi3mr_setup_isr':
>> drivers/scsi/mpi3mr/mpi3mr_fw.c:721:58: warning: '%d' directive output may be truncated writing between 1 and 3 bytes into a region of size between 1 and 32 [-Wformat-truncation=]
721 | snprintf(intr_info->name, MPI3MR_NAME_LENGTH, "%s%d-msix%d",
| ^~
In function 'mpi3mr_request_irq',
inlined from 'mpi3mr_setup_isr' at drivers/scsi/mpi3mr/mpi3mr_fw.c:846:12:
drivers/scsi/mpi3mr/mpi3mr_fw.c:721:55: note: directive argument in the range [0, 255]
721 | snprintf(intr_info->name, MPI3MR_NAME_LENGTH, "%s%d-msix%d",
| ^~~~~~~~~~~~~
drivers/scsi/mpi3mr/mpi3mr_fw.c:721:55: note: directive argument in the range [0, 65535]
drivers/scsi/mpi3mr/mpi3mr_fw.c:721:9: note: 'snprintf' output between 8 and 45 bytes into a destination of size 32
721 | snprintf(intr_info->name, MPI3MR_NAME_LENGTH, "%s%d-msix%d",
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
722 | mrioc->driver_name, mrioc->id, index);
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/scsi/mpi3mr/mpi3mr_fw.c: In function 'mpi3mr_start_watchdog':
>> drivers/scsi/mpi3mr/mpi3mr_fw.c:2545:60: warning: '%s' directive output may be truncated writing up to 31 bytes into a region of size 11 [-Wformat-truncation=]
2545 | sizeof(mrioc->watchdog_work_q_name), "watchdog_%s%d", mrioc->name,
| ^~
drivers/scsi/mpi3mr/mpi3mr_fw.c:2545:50: note: directive argument in the range [0, 255]
2545 | sizeof(mrioc->watchdog_work_q_name), "watchdog_%s%d", mrioc->name,
| ^~~~~~~~~~~~~~~
drivers/scsi/mpi3mr/mpi3mr_fw.c:2544:9: note: 'snprintf' output between 11 and 44 bytes into a destination of size 20
2544 | snprintf(mrioc->watchdog_work_q_name,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2545 | sizeof(mrioc->watchdog_work_q_name), "watchdog_%s%d", mrioc->name,
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2546 | mrioc->id);
| ~~~~~~~~~~
--
drivers/scsi/mpi3mr/mpi3mr_os.c: In function 'mpi3mr_probe':
>> drivers/scsi/mpi3mr/mpi3mr_os.c:4919:33: warning: '%d' directive writing between 1 and 3 bytes into a region of size between 1 and 32 [-Wformat-overflow=]
4919 | sprintf(mrioc->name, "%s%d", mrioc->driver_name, mrioc->id);
| ^~
drivers/scsi/mpi3mr/mpi3mr_os.c:4919:30: note: directive argument in the range [0, 255]
4919 | sprintf(mrioc->name, "%s%d", mrioc->driver_name, mrioc->id);
| ^~~~~~
drivers/scsi/mpi3mr/mpi3mr_os.c:4919:9: note: 'sprintf' output between 2 and 35 bytes into a destination of size 32
4919 | sprintf(mrioc->name, "%s%d", mrioc->driver_name, mrioc->id);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/scsi/mpi3mr/mpi3mr_os.c:4999:16: warning: '%d' directive output may be truncated writing between 1 and 3 bytes into a region of size between 1 and 32 [-Wformat-truncation=]
4999 | "%s%d_fwevt_wrkr", mrioc->driver_name, mrioc->id);
| ^~
drivers/scsi/mpi3mr/mpi3mr_os.c:4999:13: note: directive argument in the range [0, 255]
4999 | "%s%d_fwevt_wrkr", mrioc->driver_name, mrioc->id);
| ^~~~~~~~~~~~~~~~~
drivers/scsi/mpi3mr/mpi3mr_os.c:4998:9: note: 'snprintf' output between 13 and 46 bytes into a destination of size 32
4998 | snprintf(mrioc->fwevt_worker_name, sizeof(mrioc->fwevt_worker_name),
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
4999 | "%s%d_fwevt_wrkr", mrioc->driver_name, mrioc->id);
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
--
>> drivers/scsi/mpi3mr/mpi3mr_transport.c:1029: warning: Function parameter or member 'port_id' not described in 'mpi3mr_get_hba_port_by_id'
vim +721 drivers/scsi/mpi3mr/mpi3mr_fw.c
7f9f953d537a7c Sreekanth Reddy 2022-09-12 701
824a156633dfdb Kashyap Desai 2021-05-20 702 /**
824a156633dfdb Kashyap Desai 2021-05-20 703 * mpi3mr_request_irq - Request IRQ and register ISR
824a156633dfdb Kashyap Desai 2021-05-20 704 * @mrioc: Adapter instance reference
824a156633dfdb Kashyap Desai 2021-05-20 705 * @index: IRQ vector index
824a156633dfdb Kashyap Desai 2021-05-20 706 *
824a156633dfdb Kashyap Desai 2021-05-20 707 * Request threaded ISR with primary ISR and secondary
824a156633dfdb Kashyap Desai 2021-05-20 708 *
824a156633dfdb Kashyap Desai 2021-05-20 709 * Return: 0 on success and non zero on failures.
824a156633dfdb Kashyap Desai 2021-05-20 710 */
824a156633dfdb Kashyap Desai 2021-05-20 711 static inline int mpi3mr_request_irq(struct mpi3mr_ioc *mrioc, u16 index)
824a156633dfdb Kashyap Desai 2021-05-20 712 {
824a156633dfdb Kashyap Desai 2021-05-20 713 struct pci_dev *pdev = mrioc->pdev;
824a156633dfdb Kashyap Desai 2021-05-20 714 struct mpi3mr_intr_info *intr_info = mrioc->intr_info + index;
824a156633dfdb Kashyap Desai 2021-05-20 715 int retval = 0;
824a156633dfdb Kashyap Desai 2021-05-20 716
824a156633dfdb Kashyap Desai 2021-05-20 717 intr_info->mrioc = mrioc;
824a156633dfdb Kashyap Desai 2021-05-20 718 intr_info->msix_index = index;
824a156633dfdb Kashyap Desai 2021-05-20 719 intr_info->op_reply_q = NULL;
824a156633dfdb Kashyap Desai 2021-05-20 720
824a156633dfdb Kashyap Desai 2021-05-20 @721 snprintf(intr_info->name, MPI3MR_NAME_LENGTH, "%s%d-msix%d",
824a156633dfdb Kashyap Desai 2021-05-20 722 mrioc->driver_name, mrioc->id, index);
824a156633dfdb Kashyap Desai 2021-05-20 723
:::::: The code at line 721 was first introduced by commit
:::::: 824a156633dfdb0e17979a0d0bb2c757d1bb949c scsi: mpi3mr: Base driver code
:::::: TO: Kashyap Desai <kashyap.desai@xxxxxxxxxxxx>
:::::: CC: Martin K. Petersen <martin.petersen@xxxxxxxxxx>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki