scripts/kconfig/conf  --syncconfig Kconfig
  DESCEND  objtool
  CALL    scripts/atomic/check-atomics.sh
  CALL    scripts/checksyscalls.sh
  CHK     include/generated/compile.h
  CC      mm/kmsan/kmsan.o
  CC      mm/kmsan/kmsan_instr.o
  CC      mm/kmsan/kmsan_init.o
  CC      mm/kmsan/kmsan_entry.o
  CC      mm/kmsan/kmsan_hooks.o
  CC      mm/kmsan/kmsan_report.o
  CC      mm/kmsan/kmsan_shadow.o
  GZIP    kernel/config_data.gz
  CC      kernel/configs.o
In file included from mm/kmsan/kmsan_entry.c:13:
mm/kmsan/kmsan.h:27:10: fatal error: 'kmsan_shadow.h' file not found
#include "kmsan_shadow.h"
         ^~~~~~~~~~~~~~~~
In file included from mm/kmsan/kmsan_init.c:13:
mm/kmsan/kmsan.h:27:10: fatal error: 'kmsan_shadow.h' file not found
#include "kmsan_shadow.h"
         ^~~~~~~~~~~~~~~~
In file included from mm/kmsan/kmsan_instr.c:13:
mm/kmsan/kmsan.h:27:10: fatal error: 'kmsan_shadow.h' file not found
#include "kmsan_shadow.h"
         ^~~~~~~~~~~~~~~~
1 error generated.
1 error generated.
scripts/Makefile.build:280: recipe for target 'mm/kmsan/kmsan_init.o' failed
make[2]: *** [mm/kmsan/kmsan_init.o] Error 1
make[2]: *** Waiting for unfinished jobs....
scripts/Makefile.build:280: recipe for target 'mm/kmsan/kmsan_entry.o' failed
make[2]: *** [mm/kmsan/kmsan_entry.o] Error 1
In file included from mm/kmsan/kmsan_report.c:17:
mm/kmsan/kmsan.h:27:10: fatal error: 'kmsan_shadow.h' file not found
#include "kmsan_shadow.h"
         ^~~~~~~~~~~~~~~~
1 error generated.
scripts/Makefile.build:280: recipe for target 'mm/kmsan/kmsan_report.o' failed
make[2]: *** [mm/kmsan/kmsan_report.o] Error 1
1 error generated.
scripts/Makefile.build:280: recipe for target 'mm/kmsan/kmsan_instr.o' failed
make[2]: *** [mm/kmsan/kmsan_instr.o] Error 1
In file included from mm/kmsan/kmsan_shadow.c:23:
mm/kmsan/kmsan.h:27:10: fatal error: 'kmsan_shadow.h' file not found
#include "kmsan_shadow.h"
         ^~~~~~~~~~~~~~~~
1 error generated.
scripts/Makefile.build:280: recipe for target 'mm/kmsan/kmsan_shadow.o' failed
make[2]: *** [mm/kmsan/kmsan_shadow.o] Error 1
In file included from mm/kmsan/kmsan.c:33:
mm/kmsan/kmsan.h:27:10: fatal error: 'kmsan_shadow.h' file not found
#include "kmsan_shadow.h"
         ^~~~~~~~~~~~~~~~
1 error generated.
scripts/Makefile.build:280: recipe for target 'mm/kmsan/kmsan.o' failed
make[2]: *** [mm/kmsan/kmsan.o] Error 1
  AR      kernel/built-in.a
In file included from mm/kmsan/kmsan_hooks.c:25:
mm/kmsan/kmsan.h:27:10: fatal error: 'kmsan_shadow.h' file not found
#include "kmsan_shadow.h"
         ^~~~~~~~~~~~~~~~
1 error generated.
scripts/Makefile.build:280: recipe for target 'mm/kmsan/kmsan_hooks.o' failed
make[2]: *** [mm/kmsan/kmsan_hooks.o] Error 1
scripts/Makefile.build:497: recipe for target 'mm/kmsan' failed
make[1]: *** [mm/kmsan] Error 2
Makefile:1084: recipe for target 'mm' failed
make: *** [mm] Error 2
make: *** Waiting for unfinished jobs....