linux-kernel - Re: BUG : PowerPC RCU: torture test failed with __stack_chk

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Message-ID: <20230426142054.GA1381951@hirez.programming.kicks-ass.net>
Date:   Wed, 26 Apr 2023 16:20:54 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Joel Fernandes <joel@...lfernandes.org>
Cc:     Michael Ellerman <mpe@...erman.id.au>,
        Zhouyi Zhou <zhouzhouyi@...il.com>,
        Christophe Leroy <christophe.leroy@....fr>,
        Boqun Feng <boqun.feng@...il.com>,
        Segher Boessenkool <segher@...nel.crashing.org>,
        linuxppc-dev <linuxppc-dev@...ts.ozlabs.org>,
        rcu <rcu@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>, lance@...osl.org,
        "Paul E. McKenney" <paulmck@...nel.org>
Subject: Re: BUG : PowerPC RCU: torture test failed with __stack_chk_fail

On Wed, Apr 26, 2023 at 09:44:22AM -0400, Joel Fernandes wrote:

> How could you control which code paths don't have the stack protector?
> Just curious.

https://lkml.kernel.org/r/20230412-no_stackp-v2-0-116f9fe4bbe7@google.com