linux-kernel - Re: [PATCH v2] x86/tools/relocs: fix big section header tables

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20190111190926.GA9606@redhat.com>
Date:   Fri, 11 Jan 2019 14:09:26 -0500
From:   Joe Lawrence <joe.lawrence@...hat.com>
To:     Josh Poimboeuf <jpoimboe@...hat.com>
Cc:     Artem Savkov <asavkov@...hat.com>, x86@...nel.org,
        Thomas Gleixner <tglx@...utronix.de>,
        "Eric W . Biederman" <ebiederm@...ssion.com>,
        linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...nel.org>
Subject: Re: [PATCH v2] x86/tools/relocs: fix big section header tables

On Thu, Nov 29, 2018 at 09:57:50AM -0600, Josh Poimboeuf wrote:
> On Thu, Nov 29, 2018 at 04:56:15PM +0100, Artem Savkov wrote:
> > In case when the number of entries in the section header table is larger
> > then or equal to SHN_LORESERVE the size of the table is held in the sh_size
> > member of the initial entry in section header table instead of e_shnum.
> > Same with the string table index which is located in sh_link instead of
> > e_shstrndx.
> > 
> > This case is easily reproducible with KCFLAGS="-ffunction-sections",
> > bzImage build fails with "String table index out of bounds" error.
> > 
> > Signed-off-by: Artem Savkov <asavkov@...hat.com>
> 
> Reviewed-by: Josh Poimboeuf <jpoimboe@...hat.com>
> 

Gentle ping to nudge this patch along (I didn't see it in anyone's tree).

Thanks,

--- Joe