Messages in this thread | | | Date | Tue, 7 Nov 2023 00:36:23 +0800 | From | kernel test robot <> | Subject | drivers/net/ethernet/ti/cpsw_ethtool.c:244:21: warning: ': ' directive output may be truncated writing 2 bytes into a region of size between 1 and 19 |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: d2f51b3516dade79269ff45eae2a7668ae711b25 commit: c24eef283a23b85cbd755265539dc4dbe3fee949 net: ethernet: ti: cpsw: move ethtool func in separate file date: 4 years, 6 months ago config: x86_64-buildonly-randconfig-006-20230915 (https://download.01.org/0day-ci/archive/20231107/202311070051.jj6o85Vg-lkp@intel.com/config) compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231107/202311070051.jj6o85Vg-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/202311070051.jj6o85Vg-lkp@intel.com/
All warnings (new ones prefixed by >>):
drivers/net/ethernet/ti/cpsw_ethtool.c: In function 'cpsw_add_ch_strings': >> drivers/net/ethernet/ti/cpsw_ethtool.c:244:21: warning: ': ' directive output may be truncated writing 2 bytes into a region of size between 1 and 19 [-Wformat-truncation=] "%s DMA chan %ld: %s", rx_dir ? "Rx" : "Tx", ^~ drivers/net/ethernet/ti/cpsw_ethtool.c:243:3: note: 'snprintf' output 16 or more bytes (assuming 34) into a destination of size 32 snprintf(*p, ETH_GSTRING_LEN, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ "%s DMA chan %ld: %s", rx_dir ? "Rx" : "Tx", ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ (long)(i / CPSW_STATS_CH_LEN), ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ cpsw_gstrings_ch_stats[line].stat_string); ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
vim +244 drivers/net/ethernet/ti/cpsw_ethtool.c
233 234 static void cpsw_add_ch_strings(u8 **p, int ch_num, int rx_dir) 235 { 236 int ch_stats_len; 237 int line; 238 int i; 239 240 ch_stats_len = CPSW_STATS_CH_LEN * ch_num; 241 for (i = 0; i < ch_stats_len; i++) { 242 line = i % CPSW_STATS_CH_LEN; 243 snprintf(*p, ETH_GSTRING_LEN, > 244 "%s DMA chan %ld: %s", rx_dir ? "Rx" : "Tx", 245 (long)(i / CPSW_STATS_CH_LEN), 246 cpsw_gstrings_ch_stats[line].stat_string); 247 *p += ETH_GSTRING_LEN; 248 } 249 } 250
-- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
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