[Bug c/102361] Errors compiling Linux kernel 5.14.4 with CONFIG_FORTIFY=y

["dac324 at yahoo dot de" <gcc-bugzilla@gcc.gnu.org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102361

--- Comment #5 from DAC324 <dac324 at yahoo dot de> ---
OK, here we go:

make -f ./scripts/Makefile.build obj=mm/kfence \
 \
need-builtin=1 \
need-modorder=1
  gcc -Wp,-MMD,mm/.memcontrol.o.d -nostdinc -isystem
/usr/lib/gcc/x86_64-pc-linux-gnu/12.0.0/include -I./arch/x86/include
-I./arch/x86/include/generated  -I./include -I./arch/x86/include/uapi
-I./arch/x86/include/generated/uapi -I./include/uapi -I./include/generated/uapi
-include ./include/linux/compiler-version.h -include ./include/linux/kconfig.h
-include ./include/linux/compiler_types.h -D__KERNEL__ -fmacro-prefix-map=./=
-Wall -Wundef -Werror=strict-prototypes -Wno-trigraphs -fno-strict-aliasing
-fno-common -fshort-wchar -fno-PIE -Werror=implicit-function-declaration
-Werror=implicit-int -Werror=return-type -Wno-format-security -std=gnu89
-mno-sse -mno-mmx -mno-sse2 -mno-3dnow -mno-avx -fcf-protection=none -m64
-falign-jumps=1 -falign-loops=1 -mno-80387 -mno-fp-ret-in-387
-mpreferred-stack-boundary=3 -mskip-rax-setup -march=sandybridge -mno-red-zone
-mcmodel=kernel -Wno-sign-compare -fno-asynchronous-unwind-tables
-mindirect-branch=thunk-extern -mindirect-branch-register -fno-jump-tables
-fno-delete-null-pointer-checks -Wno-frame-address -Wno-format-truncation
-Wno-format-overflow -Wno-address-of-packed-member -O2
-fno-allow-store-data-races -Wframe-larger-than=2048 -fstack-protector-strong
-Wimplicit-fallthrough=5 -Wno-unused-but-set-variable
-Wno-unused-const-variable -fno-stack-clash-protection -g -gdwarf-4 -pg
-mrecord-mcount -mfentry -DCC_USING_FENTRY -Wdeclaration-after-statement -Wvla
-Wno-pointer-sign -Wno-stringop-truncation -Wno-zero-length-bounds
-Wno-array-bounds -Wno-stringop-overflow -Wno-restrict -Wno-maybe-uninitialized
-fno-strict-overflow -fno-stack-check -fconserve-stack -Werror=date-time
-Werror=incompatible-pointer-types -Werror=designated-init
-Wno-packed-not-aligned -fplugin=./scripts/gcc-plugins/structleak_plugin.so
-fplugin-arg-structleak_plugin-byref-all -DSTRUCTLEAK_PLUGIN   
-DKBUILD_MODFILE='"mm/memcontrol"' -DKBUILD_BASENAME='"memcontrol"'
-DKBUILD_MODNAME='"memcontrol"' -D__KBUILD_MODNAME=kmod_memcontrol -c -o
mm/memcontrol.o mm/memcontrol.c
In file included from ./include/linux/string.h:262,
                 from ./include/linux/bitmap.h:10,
                 from ./include/linux/cpumask.h:12,
                 from ./arch/x86/include/asm/paravirt.h:17,
                 from ./arch/x86/include/asm/irqflags.h:63,
                 from ./include/linux/irqflags.h:16,
                 from ./include/linux/rcupdate.h:26,
                 from ./include/linux/rculist.h:11,
                 from ./include/linux/pid.h:5,
                 from ./include/linux/sched.h:14,
                 from ./include/linux/cgroup.h:12,
                 from ./include/linux/memcontrol.h:13,
                 from mm/memcontrol.c:29:
In function 'memset',
    inlined from 'uncharge_gather_clear.part.0' at mm/memcontrol.c:6835:2:
./include/linux/fortify-string.h:172:17: error: call to '__write_overflow'
declared with attribute error: detected write beyond size of object passed as
1st parameter
  172 |                 __write_overflow();
      |                 ^~~~~~~~~~~~~~~~~~
make[1]: *** [scripts/Makefile.build:271: mm/memcontrol.o] Error 1
make: *** [Makefile:1851: mm] Error 2