Re: [PATCH v8 00/21] Compile-time stack validation

From: Chris J Arges
Date: Tue Aug 11 2015 - 17:31:22 EST


I've applied and tried to build your patchset against the latest
mainline kernel with the following config:

I can build if I disable CONFIG_STACK_VALIDATION, then re-enable it
after all objects are already built, so this seems like it should be
resolvable in Makefiles. Any suggestions for debugging this?

Building from clean I get the following:
~/linux$ make
HOSTCC scripts/basic/fixdep
HOSTCC scripts/basic/bin2c
GEN arch/x86/lib/inat-tables.c
HOSTCC arch/x86/tools/relocs_32.o
HOSTCC arch/x86/tools/relocs_64.o
HOSTCC arch/x86/tools/relocs_common.o
HOSTLD arch/x86/tools/relocs
CHK include/config/kernel.release
CHK include/generated/uapi/linux/version.h
CHK include/generated/utsrelease.h
CC arch/x86/purgatory/purgatory.o
AS arch/x86/purgatory/stack.o
AS arch/x86/purgatory/setup-x86_64.o
CC arch/x86/purgatory/sha256.o
AS arch/x86/purgatory/entry64.o
CC arch/x86/purgatory/string.o
LD arch/x86/purgatory/
BIN2C arch/x86/purgatory/kexec-purgatory.c
CC kernel/bounds.s
CHK include/generated/bounds.h
CHK include/generated/timeconst.h
CC arch/x86/kernel/asm-offsets.s
CHK include/generated/asm-offsets.h
CALL scripts/
HOSTCC scripts/genksyms/genksyms.o
HOSTCC scripts/genksyms/
HOSTCC scripts/genksyms/lex.lex.o
HOSTLD scripts/genksyms/genksyms
CC scripts/mod/empty.o
open: No such file or directory
error reading elf file scripts/mod/empty.o
scripts/ recipe for target 'scripts/mod/empty.o' failed
make[2]: *** [scripts/mod/empty.o] Error 1
scripts/ recipe for target 'scripts/mod' failed
make[1]: *** [scripts/mod] Error 2
Makefile:545: recipe for target 'scripts' failed
make: *** [scripts] Error 2
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