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From: Michael Ellerman <patch-notifications@ellerman.id.au>
To: Michael Ellerman <mpe@ellerman.id.au>, linuxppc-dev@ozlabs.org
Subject: Re: [PATCH] powerpc/64s: Disable STRICT_KERNEL_RWX
Date: Fri, 29 May 2020 00:04:42 +1000 (AEST)	[thread overview]
Message-ID: <159067441581.2990081.7187942119514227933.b4-ty@ellerman.id.au> (raw)
In-Reply-To: <20200520133605.972649-1-mpe@ellerman.id.au>

On Wed, 20 May 2020 23:36:05 +1000, Michael Ellerman wrote:
> Several strange crashes have been eventually traced back to
> STRICT_KERNEL_RWX and its interaction with code patching.
> 
> Various paths in our ftrace, kprobes and other patching code need to
> be hardened against patching failures, otherwise we can end up running
> with partially/incorrectly patched ftrace paths, kprobes or jump
> labels, which can then cause strange crashes.
> 
> [...]

Applied to powerpc/fixes.

[1/1] powerpc/64s: Disable STRICT_KERNEL_RWX
      https://git.kernel.org/powerpc/c/8659a0e0efdd975c73355dbc033f79ba3b31e82c

cheers

      reply	other threads:[~2020-05-28 14:10 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-20 13:36 [PATCH] powerpc/64s: Disable STRICT_KERNEL_RWX Michael Ellerman
2020-05-28 14:04 ` Michael Ellerman [this message]

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