linux-kernel - Re: [PATCH 1/2] objtool: Check for gelf_update

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Message-ID: <YNmHRi+00RAAUmEt@hirez.programming.kicks-ass.net>
Date:   Mon, 28 Jun 2021 10:24:38 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Michael Forney <mforney@...rney.org>
Cc:     Josh Poimboeuf <jpoimboe@...hat.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] objtool: Check for gelf_update_rel[a] failures

On Mon, Jun 28, 2021 at 12:52:07AM -0700, Michael Forney wrote:
> On 2021-05-08, Michael Forney <mforney@...rney.org> wrote:
> > Otherwise, if these fail we end up with garbage data in the
> > .rela.orc_unwind_ip section, leading to errors like
> >
> >   ld: fs/squashfs/namei.o: bad reloc symbol index (0x7f16 >= 0x12) for
> > offset 0x7f16d5c82cc8 in section `.orc_unwind_ip'
> >
> > Signed-off-by: Michael Forney <mforney@...rney.org>
> 
> Ping on these patches.

Josh, I forever forget which libelf versions we're supposed to support,

But these patches do look reasonable to me, wdyt?