Hi all, After merging the kunit-next tree, today's linux-next build (x86_64 allmodconfig) failed like this: In file included from drivers/gpu/drm/tests/drm_buddy_test.c:7: drivers/gpu/drm/tests/drm_buddy_test.c: In function 'drm_test_buddy_alloc_contiguous': drivers/gpu/drm/tests/drm_buddy_test.c:58:40: error: format '%u' expects argument of type 'unsigned int', but argument 7 has type 'long unsigned int' [-Werror=format=] 58 | "buddy_alloc hit an error size=%u\n", | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 59 | ps); | ~~ | | | long unsigned int include/kunit/test.h:597:37: note: in definition of macro '_KUNIT_FAILED' 597 | fmt, \ | ^~~ include/kunit/test.h:662:9: note: in expansion of macro 'KUNIT_UNARY_ASSERTION' 662 | KUNIT_UNARY_ASSERTION(test, \ | ^~~~~~~~~~~~~~~~~~~~~ include/kunit/test.h:1233:9: note: in expansion of macro 'KUNIT_FALSE_MSG_ASSERTION' 1233 | KUNIT_FALSE_MSG_ASSERTION(test, \ | ^~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/tests/drm_buddy_test.c:55:17: note: in expansion of macro 'KUNIT_ASSERT_FALSE_MSG' 55 | KUNIT_ASSERT_FALSE_MSG(test, | ^~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/tests/drm_buddy_test.c:58:72: note: format string is defined here 58 | "buddy_alloc hit an error size=%u\n", | ~^ | | | unsigned int | %lu drivers/gpu/drm/tests/drm_buddy_test.c:65:32: error: format '%u' expects argument of type 'unsigned int', but argument 7 has type 'long unsigned int' [-Werror=format=] 65 | "buddy_alloc didn't error size=%u\n", 3 * ps); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~ | | | long unsigned int include/kunit/test.h:597:37: note: in definition of macro '_KUNIT_FAILED' 597 | fmt, \ | ^~~ include/kunit/test.h:654:9: note: in expansion of macro 'KUNIT_UNARY_ASSERTION' 654 | KUNIT_UNARY_ASSERTION(test, \ | ^~~~~~~~~~~~~~~~~~~~~ include/kunit/test.h:1214:9: note: in expansion of macro 'KUNIT_TRUE_MSG_ASSERTION' 1214 | KUNIT_TRUE_MSG_ASSERTION(test, \ | ^~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/tests/drm_buddy_test.c:62:9: note: in expansion of macro 'KUNIT_ASSERT_TRUE_MSG' 62 | KUNIT_ASSERT_TRUE_MSG(test, drm_buddy_alloc_blocks(&mm, 0, mm_size, | ^~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/tests/drm_buddy_test.c:65:64: note: format string is defined here 65 | "buddy_alloc didn't error size=%u\n", 3 * ps); | ~^ | | | unsigned int | %lu drivers/gpu/drm/tests/drm_buddy_test.c:71:32: error: format '%u' expects argument of type 'unsigned int', but argument 7 has type 'long unsigned int' [-Werror=format=] 71 | "buddy_alloc didn't error size=%u\n", 3 * ps); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~ | | | long unsigned int include/kunit/test.h:597:37: note: in definition of macro '_KUNIT_FAILED' 597 | fmt, \ | ^~~ include/kunit/test.h:654:9: note: in expansion of macro 'KUNIT_UNARY_ASSERTION' 654 | KUNIT_UNARY_ASSERTION(test, \ | ^~~~~~~~~~~~~~~~~~~~~ include/kunit/test.h:1214:9: note: in expansion of macro 'KUNIT_TRUE_MSG_ASSERTION' 1214 | KUNIT_TRUE_MSG_ASSERTION(test, \ | ^~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/tests/drm_buddy_test.c:68:9: note: in expansion of macro 'KUNIT_ASSERT_TRUE_MSG' 68 | KUNIT_ASSERT_TRUE_MSG(test, drm_buddy_alloc_blocks(&mm, 0, mm_size, | ^~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/tests/drm_buddy_test.c:71:64: note: format string is defined here 71 | "buddy_alloc didn't error size=%u\n", 3 * ps); | ~^ | | | unsigned int | %lu drivers/gpu/drm/tests/drm_buddy_test.c:75:32: error: format '%u' expects argument of type 'unsigned int', but argument 7 has type 'long unsigned int' [-Werror=format=] 75 | "buddy_alloc didn't error size=%u\n", 2 * ps); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~ | | | long unsigned int include/kunit/test.h:597:37: note: in definition of macro '_KUNIT_FAILED' 597 | fmt, \ | ^~~ include/kunit/test.h:654:9: note: in expansion of macro 'KUNIT_UNARY_ASSERTION' 654 | KUNIT_UNARY_ASSERTION(test, \ | ^~~~~~~~~~~~~~~~~~~~~ include/kunit/test.h:1214:9: note: in expansion of macro 'KUNIT_TRUE_MSG_ASSERTION' 1214 | KUNIT_TRUE_MSG_ASSERTION(test, \ | ^~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/tests/drm_buddy_test.c:72:9: note: in expansion of macro 'KUNIT_ASSERT_TRUE_MSG' 72 | KUNIT_ASSERT_TRUE_MSG(test, drm_buddy_alloc_blocks(&mm, 0, mm_size, | ^~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/tests/drm_buddy_test.c:75:64: note: format string is defined here 75 | "buddy_alloc didn't error size=%u\n", 2 * ps); | ~^ | | | unsigned int | %lu drivers/gpu/drm/tests/drm_buddy_test.c:81:32: error: format '%u' expects argument of type 'unsigned int', but argument 7 has type 'long unsigned int' [-Werror=format=] 81 | "buddy_alloc didn't error size=%u\n", 3 * ps); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~ | | | long unsigned int include/kunit/test.h:597:37: note: in definition of macro '_KUNIT_FAILED' 597 | fmt, \ | ^~~ include/kunit/test.h:654:9: note: in expansion of macro 'KUNIT_UNARY_ASSERTION' 654 | KUNIT_UNARY_ASSERTION(test, \ | ^~~~~~~~~~~~~~~~~~~~~ include/kunit/test.h:1214:9: note: in expansion of macro 'KUNIT_TRUE_MSG_ASSERTION' 1214 | KUNIT_TRUE_MSG_ASSERTION(test, \ | ^~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/tests/drm_buddy_test.c:78:9: note: in expansion of macro 'KUNIT_ASSERT_TRUE_MSG' 78 | KUNIT_ASSERT_TRUE_MSG(test, drm_buddy_alloc_blocks(&mm, 0, mm_size, | ^~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/tests/drm_buddy_test.c:81:64: note: format string is defined here 81 | "buddy_alloc didn't error size=%u\n", 3 * ps); | ~^ | | | unsigned int | %lu drivers/gpu/drm/tests/drm_buddy_test.c:90:32: error: format '%u' expects argument of type 'unsigned int', but argument 7 has type 'long unsigned int' [-Werror=format=] 90 | "buddy_alloc hit an error size=%u\n", 2 * ps); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~ | | | long unsigned int include/kunit/test.h:597:37: note: in definition of macro '_KUNIT_FAILED' 597 | fmt, \ | ^~~ include/kunit/test.h:662:9: note: in expansion of macro 'KUNIT_UNARY_ASSERTION' 662 | KUNIT_UNARY_ASSERTION(test, \ | ^~~~~~~~~~~~~~~~~~~~~ include/kunit/test.h:1233:9: note: in expansion of macro 'KUNIT_FALSE_MSG_ASSERTION' 1233 | KUNIT_FALSE_MSG_ASSERTION(test, \ | ^~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/tests/drm_buddy_test.c:87:9: note: in expansion of macro 'KUNIT_ASSERT_FALSE_MSG' 87 | KUNIT_ASSERT_FALSE_MSG(test, drm_buddy_alloc_blocks(&mm, 0, mm_size, | ^~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/tests/drm_buddy_test.c:90:64: note: format string is defined here 90 | "buddy_alloc hit an error size=%u\n", 2 * ps); | ~^ | | | unsigned int | %lu drivers/gpu/drm/tests/drm_buddy_test.c:96:32: error: format '%u' expects argument of type 'unsigned int', but argument 7 has type 'long unsigned int' [-Werror=format=] 96 | "buddy_alloc hit an error size=%u\n", 3 * ps); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~ | | | long unsigned int include/kunit/test.h:597:37: note: in definition of macro '_KUNIT_FAILED' 597 | fmt, \ | ^~~ include/kunit/test.h:662:9: note: in expansion of macro 'KUNIT_UNARY_ASSERTION' 662 | KUNIT_UNARY_ASSERTION(test, \ | ^~~~~~~~~~~~~~~~~~~~~ include/kunit/test.h:1233:9: note: in expansion of macro 'KUNIT_FALSE_MSG_ASSERTION' 1233 | KUNIT_FALSE_MSG_ASSERTION(test, \ | ^~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/tests/drm_buddy_test.c:93:9: note: in expansion of macro 'KUNIT_ASSERT_FALSE_MSG' 93 | KUNIT_ASSERT_FALSE_MSG(test, drm_buddy_alloc_blocks(&mm, 0, mm_size, | ^~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/tests/drm_buddy_test.c:96:64: note: format string is defined here 96 | "buddy_alloc hit an error size=%u\n", 3 * ps); | ~^ | | | unsigned int | %lu In file included from drivers/gpu/drm/tests/drm_mm_test.c:8: drivers/gpu/drm/tests/drm_mm_test.c: In function 'drm_test_mm_init': drivers/gpu/drm/tests/drm_mm_test.c:160:34: error: zero-length gnu_printf format string [-Werror=format-zero-length] 160 | KUNIT_FAIL(test, ""); | ^~ include/kunit/test.h:597:37: note: in definition of macro '_KUNIT_FAILED' 597 | fmt, \ | ^~~ include/kunit/test.h:625:9: note: in expansion of macro 'KUNIT_FAIL_ASSERTION' 625 | KUNIT_FAIL_ASSERTION(test, \ | ^~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/tests/drm_mm_test.c:160:17: note: in expansion of macro 'KUNIT_FAIL' 160 | KUNIT_FAIL(test, ""); | ^~~~~~~~~~ drivers/gpu/drm/tests/drm_mm_test.c:174:34: error: zero-length gnu_printf format string [-Werror=format-zero-length] 174 | KUNIT_FAIL(test, ""); | ^~ include/kunit/test.h:597:37: note: in definition of macro '_KUNIT_FAILED' 597 | fmt, \ | ^~~ include/kunit/test.h:625:9: note: in expansion of macro 'KUNIT_FAIL_ASSERTION' 625 | KUNIT_FAIL_ASSERTION(test, \ | ^~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/tests/drm_mm_test.c:174:17: note: in expansion of macro 'KUNIT_FAIL' 174 | KUNIT_FAIL(test, ""); | ^~~~~~~~~~ drivers/gpu/drm/tests/drm_mm_test.c:181:34: error: zero-length gnu_printf format string [-Werror=format-zero-length] 181 | KUNIT_FAIL(test, ""); | ^~ include/kunit/test.h:597:37: note: in definition of macro '_KUNIT_FAILED' 597 | fmt, \ | ^~~ include/kunit/test.h:625:9: note: in expansion of macro 'KUNIT_FAIL_ASSERTION' 625 | KUNIT_FAIL_ASSERTION(test, \ | ^~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/tests/drm_mm_test.c:181:17: note: in expansion of macro 'KUNIT_FAIL' 181 | KUNIT_FAIL(test, ""); | ^~~~~~~~~~ Caused by commit e00c5a9fa617 ("kunit: Annotate _MSG assertion variants with gnu printf specifiers") Please fix all the current problems before applying a patch to warn about them. I have used the kunit-next tree from next-20240227 for today. -- Cheers, Stephen Rothwell
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