[kbuild-all] Re: [linux-next:master 7012/7430] include/linux/compiler_types.h:328:38: error: call to '__compiletime_assert_183' declared with attribute error: unexpected size in kmalloc_index()

On Wed, Jun 09, 2021 at 03:45:01AM +0900, Hyeonggon Yoo wrote: Well I deleted output something too much... (making it confusing) I send output without deleting part of it hyeyoo@hyeyoo:~/바탕화면/linux-next$ git diff diff --git a/include/linux/slab.h b/include/linux/slab.h index 8d8dd8571261..f2f9a6a7e663 100644 --- a/include/linux/slab.h +++ b/include/linux/slab.h @@ -379,6 +379,9 @@ static __always_inline enum kmalloc_cache_type kmalloc_type(gfp_t flags) static __always_inline unsigned int __kmalloc_index(size_t size, bool size_is_constant) { + + BUILD_BUG_ON(1); + if (!size) return 0; hyeyoo@hyeyoo:~/바탕화면/linux-next$ make mm/kfence/kfence_test.o CALL scripts/checksyscalls.sh CALL scripts/atomic/check-atomics.sh DESCEND objtool CC mm/kfence/kfence_test.o In file included from <command-line>: In function ‘__kmalloc_index’, inlined from ‘kmalloc_cache_alignment’ at mm/kfence/kfence_test.c:200:50: ././include/linux/compiler_types.h:328:38: error: call to ‘__compiletime_assert_131’ declared with attribute error: BUILD_BUG_ON failed: 1 328 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^ ././include/linux/compiler_types.h:309:4: note: in definition of macro ‘__compiletime_assert’ 309 | prefix ## suffix(); \ | ^~~~~~ ././include/linux/compiler_types.h:328:2: note: in expansion of macro ‘_compiletime_assert’ 328 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^~~~~~~~~~~~~~~~~~~ ./include/linux/build_bug.h:39:37: note: in expansion of macro ‘compiletime_assert’ 39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) | ^~~~~~~~~~~~~~~~~~ ./include/linux/build_bug.h:50:2: note: in expansion of macro ‘BUILD_BUG_ON_MSG’ 50 | BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition) | ^~~~~~~~~~~~~~~~ ./include/linux/slab.h:383:2: note: in expansion of macro ‘BUILD_BUG_ON’ 383 | BUILD_BUG_ON(1); | ^~~~~~~~~~~~ In function ‘__kmalloc_index’, inlined from ‘test_alloc’ at mm/kfence/kfence_test.c:271:47: ././include/linux/compiler_types.h:328:38: error: call to ‘__compiletime_assert_131’ declared with attribute error: BUILD_BUG_ON failed: 1 328 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^ ././include/linux/compiler_types.h:309:4: note: in definition of macro ‘__compiletime_assert’ 309 | prefix ## suffix(); \ | ^~~~~~ ././include/linux/compiler_types.h:328:2: note: in expansion of macro ‘_compiletime_assert’ 328 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^~~~~~~~~~~~~~~~~~~ ./include/linux/build_bug.h:39:37: note: in expansion of macro ‘compiletime_assert’ 39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) | ^~~~~~~~~~~~~~~~~~ ./include/linux/build_bug.h:50:2: note: in expansion of macro ‘BUILD_BUG_ON_MSG’ 50 | BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition) | ^~~~~~~~~~~~~~~~ ./include/linux/slab.h:383:2: note: in expansion of macro ‘BUILD_BUG_ON’ 383 | BUILD_BUG_ON(1); | ^~~~~~~~~~~~ make[2]: *** [scripts/Makefile.build:272: mm/kfence/kfence_test.o] 오류 1 make[1]: *** [scripts/Makefile.build:533: mm/kfence] 오류 2 make: *** [Makefile:1948: mm] 오류 2 hyeyoo@hyeyoo:~/바탕화면/linux-next$ make mm/kfence/kfence_test.o CC=clang-11 SYNC include/config/auto.conf.cmd * * Restart config... * * * Memory initialization * Initialize kernel stack variables at function entry 2. 0xAA-init everything on the stack (strongest) (INIT_STACK_ALL_PATTERN) (NEW) 3. zero-init everything on the stack (strongest and safest) (INIT_STACK_ALL_ZERO) (NEW) choice[1-3?]: Enable heap memory zeroing on allocation by default (INIT_ON_ALLOC_DEFAULT_ON) [Y/n/?] y Enable heap memory zeroing on free by default (INIT_ON_FREE_DEFAULT_ON) [N/y/?] n * * KCSAN: dynamic data race detector * KCSAN: dynamic data race detector (KCSAN) [N/y/?] (NEW) CC scripts/mod/empty.o MKELF scripts/mod/elfconfig.h HOSTCC scripts/mod/modpost.o CC scripts/mod/devicetable-offsets.s HOSTCC scripts/mod/file2alias.o HOSTCC scripts/mod/sumversion.o HOSTLD scripts/mod/modpost CC kernel/bounds.s CC arch/x86/kernel/asm-offsets.s CALL scripts/checksyscalls.sh CALL scripts/atomic/check-atomics.sh DESCEND objtool CC /home/hyeyoo/바탕화면/linux-next/tools/objtool/arch/x86/special.o CC /home/hyeyoo/바탕화면/linux-next/tools/objtool/arch/x86/decode.o LD /home/hyeyoo/바탕화면/linux-next/tools/objtool/arch/x86/objtool-in.o CC /home/hyeyoo/바탕화면/linux-next/tools/objtool/weak.o CC /home/hyeyoo/바탕화면/linux-next/tools/objtool/check.o CC /home/hyeyoo/바탕화면/linux-next/tools/objtool/special.o CC /home/hyeyoo/바탕화면/linux-next/tools/objtool/orc_gen.o CC /home/hyeyoo/바탕화면/linux-next/tools/objtool/orc_dump.o CC /home/hyeyoo/바탕화면/linux-next/tools/objtool/builtin-check.o CC /home/hyeyoo/바탕화면/linux-next/tools/objtool/builtin-orc.o CC /home/hyeyoo/바탕화면/linux-next/tools/objtool/elf.o CC /home/hyeyoo/바탕화면/linux-next/tools/objtool/objtool.o CC /home/hyeyoo/바탕화면/linux-next/tools/objtool/libstring.o CC /home/hyeyoo/바탕화면/linux-next/tools/objtool/libctype.o CC /home/hyeyoo/바탕화면/linux-next/tools/objtool/str_error_r.o CC /home/hyeyoo/바탕화면/linux-next/tools/objtool/librbtree.o LD /home/hyeyoo/바탕화면/linux-next/tools/objtool/objtool-in.o LINK /home/hyeyoo/바탕화면/linux-next/tools/objtool/objtool CC mm/kfence/kfence_test.o hyeyoo@hyeyoo:~/바탕화면/linux-next$