tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 58ca61c1a866bfdaa5e19fb19a2416764f847d75 commit: 91b2c42c214f570efaff80a666e30b8f6ce4f12b [2050/2483] drm/xe: Use fault injection infrastructure to find issues at probe time config: x86_64-randconfig-003-20241005 (https://download.01.org/0day-ci/archive/20241005/202410050346.6RA1L1hF-lkp@xxxxxxxxx/config) compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241005/202410050346.6RA1L1hF-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/202410050346.6RA1L1hF-lkp@xxxxxxxxx/ Note: the linux-next/master HEAD 58ca61c1a866bfdaa5e19fb19a2416764f847d75 builds fine. It may have been fixed somewhere. All errors (new ones prefixed by >>): In file included from drivers/gpu/drm/xe/xe_tile.c:6: include/linux/fault-inject.h:97:15: error: unknown type name 'bool' 97 | static inline bool should_fail_alloc_page(gfp_t gfp_mask, unsigned int order) | ^ include/linux/fault-inject.h:97:43: error: unknown type name 'gfp_t' 97 | static inline bool should_fail_alloc_page(gfp_t gfp_mask, unsigned int order) | ^ >> include/linux/fault-inject.h:99:9: error: use of undeclared identifier 'false'; did you mean 'else'? 99 | return false; | ^~~~~ | else >> include/linux/fault-inject.h:99:9: error: expected expression include/linux/fault-inject.h:106:57: error: unknown type name 'gfp_t' 106 | static inline int should_failslab(struct kmem_cache *s, gfp_t gfpflags) | ^ include/linux/fault-inject.h:108:9: error: use of undeclared identifier 'false'; did you mean 'else'? 108 | return false; | ^~~~~ | else include/linux/fault-inject.h:108:9: error: expected expression In file included from drivers/gpu/drm/xe/xe_tile.c:10: In file included from drivers/gpu/drm/xe/xe_device.h:9: In file included from include/drm/drm_util.h:36: In file included from include/linux/kgdb.h:19: In file included from include/linux/kprobes.h:28: In file included from include/linux/ftrace.h:13: In file included from include/linux/kallsyms.h:13: In file included from include/linux/mm.h:1131: In file included from include/linux/huge_mm.h:8: In file included from include/linux/fs.h:33: In file included from include/linux/percpu-rwsem.h:7: In file included from include/linux/rcuwait.h:6: In file included from include/linux/sched/signal.h:6: include/linux/signal.h:98:11: warning: array index 3 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds] 98 | return (set->sig[3] | set->sig[2] | | ^ ~ arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here 24 | unsigned long sig[_NSIG_WORDS]; | ^ In file included from drivers/gpu/drm/xe/xe_tile.c:10: In file included from drivers/gpu/drm/xe/xe_device.h:9: In file included from include/drm/drm_util.h:36: In file included from include/linux/kgdb.h:19: In file included from include/linux/kprobes.h:28: In file included from include/linux/ftrace.h:13: In file included from include/linux/kallsyms.h:13: In file included from include/linux/mm.h:1131: In file included from include/linux/huge_mm.h:8: In file included from include/linux/fs.h:33: In file included from include/linux/percpu-rwsem.h:7: In file included from include/linux/rcuwait.h:6: In file included from include/linux/sched/signal.h:6: include/linux/signal.h:98:25: warning: array index 2 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds] 98 | return (set->sig[3] | set->sig[2] | | ^ ~ arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here 24 | unsigned long sig[_NSIG_WORDS]; | ^ In file included from drivers/gpu/drm/xe/xe_tile.c:10: In file included from drivers/gpu/drm/xe/xe_device.h:9: In file included from include/drm/drm_util.h:36: In file included from include/linux/kgdb.h:19: In file included from include/linux/kprobes.h:28: In file included from include/linux/ftrace.h:13: In file included from include/linux/kallsyms.h:13: In file included from include/linux/mm.h:1131: In file included from include/linux/huge_mm.h:8: In file included from include/linux/fs.h:33: In file included from include/linux/percpu-rwsem.h:7: In file included from include/linux/rcuwait.h:6: In file included from include/linux/sched/signal.h:6: include/linux/signal.h:99:4: warning: array index 1 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds] 99 | set->sig[1] | set->sig[0]) == 0; | ^ ~ arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here 24 | unsigned long sig[_NSIG_WORDS]; | ^ In file included from drivers/gpu/drm/xe/xe_tile.c:10: In file included from drivers/gpu/drm/xe/xe_device.h:9: In file included from include/drm/drm_util.h:36: In file included from include/linux/kgdb.h:19: In file included from include/linux/kprobes.h:28: In file included from include/linux/ftrace.h:13: In file included from include/linux/kallsyms.h:13: In file included from include/linux/mm.h:1131: In file included from include/linux/huge_mm.h:8: In file included from include/linux/fs.h:33: In file included from include/linux/percpu-rwsem.h:7: In file included from include/linux/rcuwait.h:6: In file included from include/linux/sched/signal.h:6: include/linux/signal.h:101:11: warning: array index 1 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds] 101 | return (set->sig[1] | set->sig[0]) == 0; | ^ ~ arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here 24 | unsigned long sig[_NSIG_WORDS]; | ^ In file included from drivers/gpu/drm/xe/xe_tile.c:10: In file included from drivers/gpu/drm/xe/xe_device.h:9: In file included from include/drm/drm_util.h:36: In file included from include/linux/kgdb.h:19: In file included from include/linux/kprobes.h:28: In file included from include/linux/ftrace.h:13: In file included from include/linux/kallsyms.h:13: In file included from include/linux/mm.h:1131: In file included from include/linux/huge_mm.h:8: In file included from include/linux/fs.h:33: In file included from include/linux/percpu-rwsem.h:7: In file included from include/linux/rcuwait.h:6: In file included from include/linux/sched/signal.h:6: include/linux/signal.h:114:11: warning: array index 3 is past the end of the array (that has type 'const unsigned long[1]') [-Warray-bounds] 114 | return (set1->sig[3] == set2->sig[3]) && | ^ ~ vim +99 include/linux/fault-inject.h cc689c5b352d4a Ingo Molnar 2017-02-01 93 0866e82e40fba4 Kefeng Wang 2023-05-16 94 #ifdef CONFIG_FAIL_PAGE_ALLOC 53dabce2652fb8 Vlastimil Babka 2024-07-11 95 bool should_fail_alloc_page(gfp_t gfp_mask, unsigned int order); 0866e82e40fba4 Kefeng Wang 2023-05-16 96 #else 53dabce2652fb8 Vlastimil Babka 2024-07-11 97 static inline bool should_fail_alloc_page(gfp_t gfp_mask, unsigned int order) 0866e82e40fba4 Kefeng Wang 2023-05-16 98 { 0866e82e40fba4 Kefeng Wang 2023-05-16 @99 return false; 0866e82e40fba4 Kefeng Wang 2023-05-16 100 } 0866e82e40fba4 Kefeng Wang 2023-05-16 101 #endif /* CONFIG_FAIL_PAGE_ALLOC */ 0866e82e40fba4 Kefeng Wang 2023-05-16 102 :::::: The code at line 99 was first introduced by commit :::::: 0866e82e40fba45dae07e6e8385929b574201752 mm: page_alloc: split out FAIL_PAGE_ALLOC :::::: TO: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx> :::::: CC: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki