tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: e3f80d3eae76c3557b3c9b5938ad01c0e6cf25ec commit: 6d4ab2e97dcfbcd748ae71761a9d8e5e41cc732c [10640/12208] extrawarn: enable format and stringop overflow warnings in W=1 config: x86_64-randconfig-071-20230824 (https://download.01.org/0day-ci/archive/20230824/202308240556.jFbsuVxg-lkp@xxxxxxxxx/config) compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0 reproduce: (https://download.01.org/0day-ci/archive/20230824/202308240556.jFbsuVxg-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/202308240556.jFbsuVxg-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): drivers/gpu/drm/i915/display/intel_tc.c: In function 'intel_tc_port_init': >> drivers/gpu/drm/i915/display/intel_tc.c:1845:11: error: '%d' directive output may be truncated writing between 1 and 11 bytes into a region of size 3 [-Werror=format-truncation=] "%c/TC#%d", port_name(port), tc_port + 1); ^~ drivers/gpu/drm/i915/display/intel_tc.c:1845:4: note: directive argument in the range [-2147483647, 2147483647] "%c/TC#%d", port_name(port), tc_port + 1); ^~~~~~~~~~ drivers/gpu/drm/i915/display/intel_tc.c:1844:2: note: 'snprintf' output between 7 and 17 bytes into a destination of size 8 snprintf(tc->port_name, sizeof(tc->port_name), ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ "%c/TC#%d", port_name(port), tc_port + 1); ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors vim +1845 drivers/gpu/drm/i915/display/intel_tc.c bc85328ff431e4 Imre Deak 2019-06-28 1817 c5879999641f78 Imre Deak 2023-03-23 1818 int intel_tc_port_init(struct intel_digital_port *dig_port, bool is_legacy) ab7bc4e1a5508e Imre Deak 2019-06-28 1819 { ab7bc4e1a5508e Imre Deak 2019-06-28 1820 struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev); c5879999641f78 Imre Deak 2023-03-23 1821 struct intel_tc_port *tc; ab7bc4e1a5508e Imre Deak 2019-06-28 1822 enum port port = dig_port->base.port; ab7bc4e1a5508e Imre Deak 2019-06-28 1823 enum tc_port tc_port = intel_port_to_tc(i915, port); ab7bc4e1a5508e Imre Deak 2019-06-28 1824 320c670c048d3b Ville Syrjälä 2020-10-28 1825 if (drm_WARN_ON(&i915->drm, tc_port == TC_PORT_NONE)) c5879999641f78 Imre Deak 2023-03-23 1826 return -EINVAL; ab7bc4e1a5508e Imre Deak 2019-06-28 1827 c5879999641f78 Imre Deak 2023-03-23 1828 tc = kzalloc(sizeof(*tc), GFP_KERNEL); c5879999641f78 Imre Deak 2023-03-23 1829 if (!tc) c5879999641f78 Imre Deak 2023-03-23 1830 return -ENOMEM; c5879999641f78 Imre Deak 2023-03-23 1831 c5879999641f78 Imre Deak 2023-03-23 1832 dig_port->tc = tc; 3eafcddf766b6b Imre Deak 2023-03-23 1833 tc->dig_port = dig_port; 3eafcddf766b6b Imre Deak 2023-03-23 1834 6f0423b06a0cd5 Mika Kahola 2023-04-28 1835 if (DISPLAY_VER(i915) >= 14) 6f0423b06a0cd5 Mika Kahola 2023-04-28 1836 tc->phy_ops = &xelpdp_tc_phy_ops; 6f0423b06a0cd5 Mika Kahola 2023-04-28 1837 else if (DISPLAY_VER(i915) >= 13) 34a658b7e7128b Imre Deak 2023-03-23 1838 tc->phy_ops = &adlp_tc_phy_ops; 16cf693e31bdb4 Imre Deak 2023-03-23 1839 else if (DISPLAY_VER(i915) >= 12) 16cf693e31bdb4 Imre Deak 2023-03-23 1840 tc->phy_ops = &tgl_tc_phy_ops; 34a658b7e7128b Imre Deak 2023-03-23 1841 else 34a658b7e7128b Imre Deak 2023-03-23 1842 tc->phy_ops = &icl_tc_phy_ops; 34a658b7e7128b Imre Deak 2023-03-23 1843 3eafcddf766b6b Imre Deak 2023-03-23 1844 snprintf(tc->port_name, sizeof(tc->port_name), ab7bc4e1a5508e Imre Deak 2019-06-28 @1845 "%c/TC#%d", port_name(port), tc_port + 1); ab7bc4e1a5508e Imre Deak 2019-06-28 1846 3eafcddf766b6b Imre Deak 2023-03-23 1847 mutex_init(&tc->lock); c598c335da4207 Imre Deak 2023-05-12 1848 /* TODO: Combine the two works */ 3eafcddf766b6b Imre Deak 2023-03-23 1849 INIT_DELAYED_WORK(&tc->disconnect_phy_work, intel_tc_port_disconnect_phy_work); c598c335da4207 Imre Deak 2023-05-12 1850 INIT_DELAYED_WORK(&tc->link_reset_work, intel_tc_port_link_reset_work); 3eafcddf766b6b Imre Deak 2023-03-23 1851 tc->legacy_port = is_legacy; 3eafcddf766b6b Imre Deak 2023-03-23 1852 tc->mode = TC_PORT_DISCONNECTED; 3eafcddf766b6b Imre Deak 2023-03-23 1853 tc->link_refcount = 0; c55b73f391a726 Imre Deak 2023-03-23 1854 c55b73f391a726 Imre Deak 2023-03-23 1855 tc_phy_init(tc); a82796a2e332d1 Imre Deak 2022-09-22 1856 a82796a2e332d1 Imre Deak 2022-09-22 1857 intel_tc_port_init_mode(dig_port); c5879999641f78 Imre Deak 2023-03-23 1858 c5879999641f78 Imre Deak 2023-03-23 1859 return 0; c5879999641f78 Imre Deak 2023-03-23 1860 } c5879999641f78 Imre Deak 2023-03-23 1861 :::::: The code at line 1845 was first introduced by commit :::::: ab7bc4e1a5508e5cb974985fba325d80086b3f10 drm/i915: Unify the TypeC port notation in debug/error messages :::::: TO: Imre Deak <imre.deak@xxxxxxxxx> :::::: CC: Imre Deak <imre.deak@xxxxxxxxx> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
