Re: [PATCH 0/2] gcc-plugins: structleak: Generalize to all variable types

From: Ard Biesheuvel
Date: Fri Feb 15 2019 - 12:39:01 EST


On Tue, 12 Feb 2019 at 19:04, Kees Cook <keescook@xxxxxxxxxxxx> wrote:
>
> Instead of a new plugin for stack initialization[1], this improves
> structleak to handle initialization of all variable types. Since the
> instrumentation happens at a different point, the "switch" statement
> changes from the earlier posting[2] are no longer needed. As before,
> this also introduces a stack initialization regression testing module to
> validate various kinds of stack variable usage vs compiler instrumentation
> for initialization. See the individual patches for more details.
>

For the series,

Reviewed-by: Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx>

(although I reviewed 2/2 only cursorily)



> [1] https://lkml.kernel.org/r/CA+55aFykZL+cSBJjBBts7ebEFfyGPdMzTmLSxKnT_29=j942dA@xxxxxxxxxxxxxx
> [2] https://lkml.kernel.org/r/20190123110349.35882-1-keescook@xxxxxxxxxxxx
>
> Kees Cook (2):
> gcc-plugins: structleak: Generalize to all variable types
> lib: Introduce test_stackinit module
>
> lib/Kconfig.debug | 10 +
> lib/Makefile | 1 +
> lib/test_stackinit.c | 378 ++++++++++++++++++++++++
> scripts/Makefile.gcc-plugins | 2 +
> scripts/gcc-plugins/Kconfig | 58 +++-
> scripts/gcc-plugins/structleak_plugin.c | 36 ++-
> 6 files changed, 463 insertions(+), 22 deletions(-)
> create mode 100644 lib/test_stackinit.c
>
> --
> 2.17.1
>