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Message-ID: <202403221640.27DC5CB09@keescook>
Date: Fri, 22 Mar 2024 16:41:48 -0700
From: Kees Cook <keescook@...omium.org>
To: Ingo Molnar <mingo@...nel.org>
Cc: tglx@...utronix.de, Guixiong Wei <weiguixiong@...edance.com>,
jgross@...e.com, mingo@...hat.com, bp@...en8.de,
dave.hansen@...ux.intel.com, x86@...nel.org, hpa@...or.com,
peterz@...radead.org, gregkh@...uxfoundation.org,
tony.luck@...el.com, adobriyan@...il.com,
linux-kernel@...r.kernel.org, linux-hardening@...r.kernel.org
Subject: Re: [PATCH] x86, relocs: Ignore relocations in .notes section on
walk_relocs
On Fri, Mar 22, 2024 at 09:45:12AM +0100, Ingo Molnar wrote:
>
> * Kees Cook <keescook@...omium.org> wrote:
>
> > On Sun, 17 Mar 2024 23:05:47 +0800, Guixiong Wei wrote:
> > > The commit aaa8736370db ("x86, relocs: Ignore relocations in
> > > .notes section") only ignore .note section on print_absolute_relocs,
> > > but it also need to add on walk_relocs to avoid relocations in .note
> > > section.
> > >
> > >
> >
> > Applied to for-next/hardening, thanks!
> >
> > [1/1] x86, relocs: Ignore relocations in .notes section on walk_relocs
> > https://git.kernel.org/kees/c/6ba438a29b5d
>
> Please don't - these are x86 patches, plus it contains an eyesore - see
> below ...
Dropped.
>
> Thanks,
>
> Ingo
>
> relocs.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
> Index: tip/arch/x86/tools/relocs.c
> ===================================================================
> --- tip.orig/arch/x86/tools/relocs.c
> +++ tip/arch/x86/tools/relocs.c
> @@ -752,9 +752,8 @@ static void walk_relocs(int (*process)(s
> * values there are meant for pre-boot consumption (e.g.
> * startup_xen).
> */
> - if (sec_applies->shdr.sh_type == SHT_NOTE) {
> + if (sec_applies->shdr.sh_type == SHT_NOTE)
> continue;
> - }
I think the patch was trying to follow the existing code style in the
file. See line 733, for example:
if (sec->shdr.sh_type != SHT_REL_TYPE) {
continue;
}
But yes, agreed, your change is good. :)
-Kees
--
Kees Cook
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