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Date: Thu, 15 Nov 2018 11:24:27 +0100
From: Florian Weimer <>
To: Alexander Popov <>
Cc: Kees Cook <>,  Ingo Molnar <>,  Andy Lutomirski <>,  Tycho Andersen <>,  Laura Abbott <>,  Mark Rutland <>,  Ard Biesheuvel <>,  Borislav Petkov <>,  Richard Sandiford <>,  Thomas Gleixner <>,  "H . Peter Anvin" <>,  Peter Zijlstra <>,  Emese Revfy <>,  Thomas Garnier <>,  Alexei Starovoitov <>,  Masami Hiramatsu <>,  "David S . Miller" <>,  Steven Rostedt <>,  Dave Hansen <>,  Will Deacon <>,  "kernel-hardening\" <>,,,
Subject: Re: Investigating a stack state mismatch in Linux kernel

* Alexander Popov:

> Of course, there is a naive solution for this issue -- just skip stackleak
> instrumentation for acpi_duplicate_processor_id(). But it would be great to find
> out the reasons behind this compiler behavior. It might help to create a better
> solution.

Please show us the RTL dumps with both compilers, both before and after
the plugin pass.


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