Re: [PATCH v6 06/13] module: Move strict rwx support to a separate file

From: Christophe Leroy
Date: Mon Feb 21 2022 - 06:27:32 EST




Le 18/02/2022 à 22:25, Aaron Tomlin a écrit :
> No functional change.
>
> This patch migrates code that makes module text
> and rodata memory read-only and non-text memory
> non-executable from core module code into
> kernel/module/strict_rwx.c.
>
> Signed-off-by: Aaron Tomlin <atomlin@xxxxxxxxxx>
> ---
> kernel/module/Makefile | 1 +
> kernel/module/internal.h | 38 +++++++++++++++
> kernel/module/main.c | 99 +-------------------------------------
> kernel/module/strict_rwx.c | 84 ++++++++++++++++++++++++++++++++
> 4 files changed, 125 insertions(+), 97 deletions(-)
> create mode 100644 kernel/module/strict_rwx.c


kernel/module/internal.h:182:12: error: 'module_enforce_rwx_sections'
defined but not used [-Werror=unused-function]
kernel/module/internal.h:181:13: error: 'module_enable_ro' defined but
not used [-Werror=unused-function]
kernel/module/internal.h:180:13: error: 'module_enable_nx' defined but
not used [-Werror=unused-function]
cc1: all warnings being treated as errors
make[3]: *** [scripts/Makefile.build:288: kernel/module/signing.o] Error 1