Re: [PATCH 0/5] Improvements of the stackleak gcc plugin

On Thu, Jun 04, 2020 at 04:49:52PM +0300, Alexander Popov wrote:

In this patch series I collected various improvements of the stackleak
gcc plugin.

Thanks!

Alexander Popov (5):
  gcc-plugins/stackleak: Exclude alloca() from the instrumentation logic
  gcc-plugins/stackleak: Use asm instrumentation to avoid useless
    register saving

These look like they might need tweaks (noted in their separate
replies).

  gcc-plugins/stackleak: Add 'verbose' plugin parameter
  gcc-plugins/stackleak: Don't instrument itself

If you wanted to reorder the series and move these first, I could take
these into my tree right away (they're logically separate from the other
fixes).

  gcc-plugins/stackleak: Don't instrument vgettimeofday.c in arm64 VDSO

This seems good -- though I'm curious about 32-bit ARM and the other
HAVE_GCC_PLUGINS architectures with vDSOs (which appears to be all of
them except um).

-- 
Kees Cook

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