Groups > linux.kernel > #1205442

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

From	Chris J Arges <chris.j.arges@canonical.com>
Newsgroups	linux.kernel
Subject	Re: [PATCH v8 00/21] Compile-time stack validation
Date	2015-08-11 23:40 +0200
Message-ID	<pWpr4-C5-3@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

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Josh,

I've applied and tried to build your patchset against the latest
mainline kernel with the following config:
http://paste.ubuntu.com/12058017/

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/purgatory.ro
  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/checksyscalls.sh
  HOSTCC  scripts/genksyms/genksyms.o
  HOSTCC  scripts/genksyms/parse.tab.o
  HOSTCC  scripts/genksyms/lex.lex.o
  HOSTLD  scripts/genksyms/genksyms
  CC      scripts/mod/empty.o
scripts/mod/empty.o
open: No such file or directory
error reading elf file scripts/mod/empty.o
scripts/Makefile.build:284: recipe for target 'scripts/mod/empty.o' failed
make[2]: *** [scripts/mod/empty.o] Error 1
scripts/Makefile.build:429: 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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Re: [PATCH v8 00/21] Compile-time stack validation Chris J Arges <chris.j.arges@canonical.com> - 2015-08-11 23:40 +0200
  Re: [PATCH v8 00/21] Compile-time stack validation Josh Poimboeuf <jpoimboe@redhat.com> - 2015-08-12 06:50 +0200
    Re: [PATCH v8 00/21] Compile-time stack validation Chris J Arges <chris.j.arges@canonical.com> - 2015-08-12 23:30 +0200
      Re: [PATCH v8 00/21] Compile-time stack validation Josh Poimboeuf <jpoimboe@redhat.com> - 2015-08-13 04:10 +0200
      Re: [PATCH v8 00/21] Compile-time stack validation Josh Poimboeuf <jpoimboe@redhat.com> - 2015-08-13 13:30 +0200
        Re: [PATCH v8 00/21] Compile-time stack validation Chris J Arges <chris.j.arges@canonical.com> - 2015-08-13 16:50 +0200
          Re: [PATCH v8 00/21] Compile-time stack validation Josh Poimboeuf <jpoimboe@redhat.com> - 2015-08-13 17:00 +0200

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