can't compile if select KMSAN in ubuntu 2204

[tjy-zhu]

Ubuntu LLVM version 14.0.6，but can‘t compile the kernel if i select KMSAN，is there other steps to compile ？

./include/linux/fortify-string.h:387:9: error: 'memcpy' macro redefined [-Werror,-Wmacro-redefined]
#define memcpy(p, q, s)  __fortify_memcpy_chk(p, q, s,                  \
        ^
./arch/x86/include/asm/string_64.h:17:9: note: previous definition is here
#define memcpy __msan_memcpy
        ^
In file included from scripts/mod/devicetable-offsets.c:3:
In file included from ./include/linux/mod_devicetable.h:13:
In file included from ./include/linux/uuid.h:12:
In file included from ./include/linux/string.h:253:
./include/linux/fortify-string.h:391:9: error: 'memmove' macro redefined [-Werror,-Wmacro-redefined]
#define memmove(p, q, s)  __fortify_memcpy_chk(p, q, s,                 \
        ^
./arch/x86/include/asm/string_64.h:73:9: note: previous definition is here
#define memmove __msan_memmove
        ^
2 errors generated.
make[1]: *** [scripts/Makefile.build:117：scripts/mod/devicetable-offsets.s] 

[y4ngyy]

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[ramosian-glider]

Could you please share the config and KMSAN branch you are using? (Also please try with the latest master)

[ramosian-glider]

Gonna close this as a duplicate of #89 - even if the error messages differ, there was a bunch of fixes related to issue 89 that should have helped here as well.