tree: https://git.kernel.org/pub/scm/linux/kernel/git/sashal/linux-stable.git queue-5.7 head: 23adc4c86650ca8d7874875fc837db77be4f3d0f commit: 77f237884fc3a596707c0ceb579f4c191991e99a [3/6] libnvdimm: Validate command family indices config: x86_64-allyesconfig (attached as .config) compiler: gcc-9 (Debian 9.3.0-15) 9.3.0 reproduce (this is a W=1 build): git checkout 77f237884fc3a596707c0ceb579f4c191991e99a # save the attached .config to linux build tree make W=1 ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): drivers/acpi/nfit/core.c: In function 'nfit_dsm_revid': 363 | static const u8 revid_table[NVDIMM_FAMILY_MAX+1][NVDIMM_CMD_MAX+1] = { | ^~~~~~~~~~~~~~~~~ | NVDIMM_FAMILY_MSFT drivers/acpi/nfit/core.c:363:30: note: each undeclared identifier is reported only once for each function it appears in In file included from include/linux/ndctl.h:16, from drivers/acpi/nfit/core.c:9: 242 | #define NVDIMM_FAMILY_INTEL 0 | ^ drivers/acpi/nfit/core.c:364:4: note: in expansion of macro 'NVDIMM_FAMILY_INTEL' 364 | [NVDIMM_FAMILY_INTEL] = { | ^~~~~~~~~~~~~~~~~~~ include/uapi/linux/ndctl.h:242:29: note: (near initialization for 'revid_table') 242 | #define NVDIMM_FAMILY_INTEL 0 | ^ drivers/acpi/nfit/core.c:364:4: note: in expansion of macro 'NVDIMM_FAMILY_INTEL' 364 | [NVDIMM_FAMILY_INTEL] = { | ^~~~~~~~~~~~~~~~~~~ 365 | [NVDIMM_INTEL_GET_MODES] = 2, | ^~~~~~~~~~~~~~~~~~~~~~ drivers/acpi/nfit/core.c:365:5: note: (near initialization for 'revid_table') drivers/acpi/nfit/core.c:366:5: error: array index in non-array initializer 366 | [NVDIMM_INTEL_GET_FWINFO] = 2, | ^~~~~~~~~~~~~~~~~~~~~~~ drivers/acpi/nfit/core.c:366:5: note: (near initialization for 'revid_table') drivers/acpi/nfit/core.c:367:5: error: array index in non-array initializer 367 | [NVDIMM_INTEL_START_FWUPDATE] = 2, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/acpi/nfit/core.c:367:5: note: (near initialization for 'revid_table') drivers/acpi/nfit/core.c:368:5: error: array index in non-array initializer 368 | [NVDIMM_INTEL_SEND_FWUPDATE] = 2, | ^~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/acpi/nfit/core.c:368:5: note: (near initialization for 'revid_table') drivers/acpi/nfit/core.c:369:5: error: array index in non-array initializer 369 | [NVDIMM_INTEL_FINISH_FWUPDATE] = 2, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/acpi/nfit/core.c:369:5: note: (near initialization for 'revid_table') drivers/acpi/nfit/core.c:370:5: error: array index in non-array initializer 370 | [NVDIMM_INTEL_QUERY_FWUPDATE] = 2, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/acpi/nfit/core.c:370:5: note: (near initialization for 'revid_table') drivers/acpi/nfit/core.c:371:5: error: array index in non-array initializer 371 | [NVDIMM_INTEL_SET_THRESHOLD] = 2, | ^~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/acpi/nfit/core.c:371:5: note: (near initialization for 'revid_table') drivers/acpi/nfit/core.c:372:5: error: array index in non-array initializer 372 | [NVDIMM_INTEL_INJECT_ERROR] = 2, | ^~~~~~~~~~~~~~~~~~~~~~~~~ drivers/acpi/nfit/core.c:372:5: note: (near initialization for 'revid_table') drivers/acpi/nfit/core.c:373:5: error: array index in non-array initializer 373 | [NVDIMM_INTEL_GET_SECURITY_STATE] = 2, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/acpi/nfit/core.c:373:5: note: (near initialization for 'revid_table') drivers/acpi/nfit/core.c:374:5: error: array index in non-array initializer 374 | [NVDIMM_INTEL_SET_PASSPHRASE] = 2, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/acpi/nfit/core.c:374:5: note: (near initialization for 'revid_table') drivers/acpi/nfit/core.c:375:5: error: array index in non-array initializer 375 | [NVDIMM_INTEL_DISABLE_PASSPHRASE] = 2, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/acpi/nfit/core.c:375:5: note: (near initialization for 'revid_table') drivers/acpi/nfit/core.c:376:5: error: array index in non-array initializer 376 | [NVDIMM_INTEL_UNLOCK_UNIT] = 2, | ^~~~~~~~~~~~~~~~~~~~~~~~ drivers/acpi/nfit/core.c:376:5: note: (near initialization for 'revid_table') drivers/acpi/nfit/core.c:377:5: error: array index in non-array initializer 377 | [NVDIMM_INTEL_FREEZE_LOCK] = 2, | ^~~~~~~~~~~~~~~~~~~~~~~~ drivers/acpi/nfit/core.c:377:5: note: (near initialization for 'revid_table') drivers/acpi/nfit/core.c:378:5: error: array index in non-array initializer 378 | [NVDIMM_INTEL_SECURE_ERASE] = 2, | ^~~~~~~~~~~~~~~~~~~~~~~~~ drivers/acpi/nfit/core.c:378:5: note: (near initialization for 'revid_table') drivers/acpi/nfit/core.c:379:5: error: array index in non-array initializer 379 | [NVDIMM_INTEL_OVERWRITE] = 2, | ^~~~~~~~~~~~~~~~~~~~~~ drivers/acpi/nfit/core.c:379:5: note: (near initialization for 'revid_table') drivers/acpi/nfit/core.c:380:5: error: array index in non-array initializer 380 | [NVDIMM_INTEL_QUERY_OVERWRITE] = 2, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/acpi/nfit/core.c:380:5: note: (near initialization for 'revid_table') drivers/acpi/nfit/core.c:381:5: error: array index in non-array initializer 381 | [NVDIMM_INTEL_SET_MASTER_PASSPHRASE] = 2, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/acpi/nfit/core.c:381:5: note: (near initialization for 'revid_table') drivers/acpi/nfit/core.c:382:5: error: array index in non-array initializer 382 | [NVDIMM_INTEL_MASTER_SECURE_ERASE] = 2, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/acpi/nfit/core.c:382:5: note: (near initialization for 'revid_table') drivers/acpi/nfit/core.c:363:18: warning: unused variable 'revid_table' [-Wunused-variable] 363 | static const u8 revid_table[NVDIMM_FAMILY_MAX+1][NVDIMM_CMD_MAX+1] = { | ^~~~~~~~~~~ drivers/acpi/nfit/core.c: At top level: drivers/acpi/nfit/core.c:1767:13: warning: no previous prototype for 'nfit_intel_shutdown_status' [-Wmissing-prototypes] 1767 | __weak void nfit_intel_shutdown_status(struct nfit_mem *nfit_mem) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/acpi/nfit/core.c: In function 'acpi_nfit_add_dimm': drivers/acpi/nfit/core.c:1892:19: error: 'NVDIMM_FAMILY_MAX' undeclared (first use in this function); did you mean 'NVDIMM_FAMILY_MSFT'? 1892 | for (i = 0; i <= NVDIMM_FAMILY_MAX; i++) | ^~~~~~~~~~~~~~~~~ | NVDIMM_FAMILY_MSFT drivers/acpi/nfit/core.c: In function 'acpi_nfit_init_dsms': 2162 | set_bit(NVDIMM_BUS_FAMILY_NFIT, &nd_desc->bus_family_mask); | ^~~~~~~~~~~~~~~~~~~~~~ | NVDIMM_FAMILY_MSFT # https://git.kernel.org/pub/scm/linux/kernel/git/sashal/linux-stable.git/c... git remote add sashal-linux-stable https://git.kernel.org/pub/scm/linux/kernel/git/sashal/linux-stable.git git fetch --no-tags sashal-linux-stable queue-5.7 git checkout 77f237884fc3a596707c0ceb579f4c191991e99a vim +363 drivers/acpi/nfit/core.c d6eb270c57fef3 Dan Williams 2016-12-06 360 11e14270160954 Dan Williams 2017-10-20 361 static u8 nfit_dsm_revid(unsigned family, unsigned func) 11e14270160954 Dan Williams 2017-10-20 362 { 01091c496f920e Dan Carpenter 2020-02-25 @363 static const u8 revid_table[NVDIMM_FAMILY_MAX+1][NVDIMM_CMD_MAX+1] = { 11e14270160954 Dan Williams 2017-10-20 364 [NVDIMM_FAMILY_INTEL] = { 11e14270160954 Dan Williams 2017-10-20 @365 [NVDIMM_INTEL_GET_MODES] = 2, 11e14270160954 Dan Williams 2017-10-20 366 [NVDIMM_INTEL_GET_FWINFO] = 2, 11e14270160954 Dan Williams 2017-10-20 367 [NVDIMM_INTEL_START_FWUPDATE] = 2, 11e14270160954 Dan Williams 2017-10-20 368 [NVDIMM_INTEL_SEND_FWUPDATE] = 2, 11e14270160954 Dan Williams 2017-10-20 369 [NVDIMM_INTEL_FINISH_FWUPDATE] = 2, 11e14270160954 Dan Williams 2017-10-20 370 [NVDIMM_INTEL_QUERY_FWUPDATE] = 2, 11e14270160954 Dan Williams 2017-10-20 371 [NVDIMM_INTEL_SET_THRESHOLD] = 2, 11e14270160954 Dan Williams 2017-10-20 372 [NVDIMM_INTEL_INJECT_ERROR] = 2, b3ed2ce024c360 Dave Jiang 2018-12-04 373 [NVDIMM_INTEL_GET_SECURITY_STATE] = 2, b3ed2ce024c360 Dave Jiang 2018-12-04 374 [NVDIMM_INTEL_SET_PASSPHRASE] = 2, b3ed2ce024c360 Dave Jiang 2018-12-04 375 [NVDIMM_INTEL_DISABLE_PASSPHRASE] = 2, b3ed2ce024c360 Dave Jiang 2018-12-04 376 [NVDIMM_INTEL_UNLOCK_UNIT] = 2, b3ed2ce024c360 Dave Jiang 2018-12-04 377 [NVDIMM_INTEL_FREEZE_LOCK] = 2, b3ed2ce024c360 Dave Jiang 2018-12-04 378 [NVDIMM_INTEL_SECURE_ERASE] = 2, b3ed2ce024c360 Dave Jiang 2018-12-04 379 [NVDIMM_INTEL_OVERWRITE] = 2, b3ed2ce024c360 Dave Jiang 2018-12-04 380 [NVDIMM_INTEL_QUERY_OVERWRITE] = 2, 89fa9d8ea7bdfa Dave Jiang 2018-12-10 381 [NVDIMM_INTEL_SET_MASTER_PASSPHRASE] = 2, 89fa9d8ea7bdfa Dave Jiang 2018-12-10 382 [NVDIMM_INTEL_MASTER_SECURE_ERASE] = 2, 11e14270160954 Dan Williams 2017-10-20 383 }, 11e14270160954 Dan Williams 2017-10-20 384 }; 11e14270160954 Dan Williams 2017-10-20 385 u8 id; 11e14270160954 Dan Williams 2017-10-20 386 11e14270160954 Dan Williams 2017-10-20 387 if (family > NVDIMM_FAMILY_MAX) 11e14270160954 Dan Williams 2017-10-20 388 return 0; 01091c496f920e Dan Carpenter 2020-02-25 389 if (func > NVDIMM_CMD_MAX) 11e14270160954 Dan Williams 2017-10-20 390 return 0; 11e14270160954 Dan Williams 2017-10-20 391 id = revid_table[family][func]; 11e14270160954 Dan Williams 2017-10-20 392 if (id == 0) 11e14270160954 Dan Williams 2017-10-20 393 return 1; /* default */ 11e14270160954 Dan Williams 2017-10-20 394 return id; 11e14270160954 Dan Williams 2017-10-20 395 } 11e14270160954 Dan Williams 2017-10-20 396 :::::: The code at line 363 was first introduced by commit :::::: 01091c496f920e634ea84b689f480c39016752a8 acpi/nfit: improve bounds checking for 'func' :::::: TO: Dan Carpenter <dan.carpenter(a)oracle.com&gt; :::::: CC: Dan Williams <dan.j.williams(a)intel.com&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org