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Message-ID: <20200811145524.GE2674@hirez.programming.kicks-ass.net>
Date: Tue, 11 Aug 2020 16:55:24 +0200
From: peterz@...radead.org
To: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
Cc: Jessica Yu <jeyu@...nel.org>, linux-kernel@...r.kernel.org,
Thomas Gleixner <tglx@...utronix.de>, keescook@...omium.org,
Josh Poimboeuf <jpoimboe@...hat.com>,
Miroslav Benes <mbenes@...e.cz>,
Mark Rutland <mark.rutland@....com>
Subject: Re: [PATCH v2] module: Harden STRICT_MODULE_RWX
On Tue, Aug 11, 2020 at 04:34:27PM +0200, Mauro Carvalho Chehab wrote:
> [33] .plt PROGBITS 0000000000000340 00035c80
> 0000000000000001 0000000000000000 WAX 0 0 1
> [34] .init.plt NOBITS 0000000000000341 00035c81
> 0000000000000001 0000000000000000 WA 0 0 1
> [35] .text.ftrace[...] PROGBITS 0000000000000342 00035c81
> 0000000000000001 0000000000000000 WAX 0 0 1
.plt and .text.ftrace_tramplines are buggered.
arch/arm64/kernel/module.lds even marks then as NOLOAD.
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