Re: [PATCH v2] module: Harden STRICT_MODULE_RWX

From: peterz
Date: Tue Aug 11 2020 - 11:01:07 EST


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.