linux-kernel - Re: [PATCH 2.6.32 18/62] s390/hibernate: fix save and restore of kernel text section

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: <1442283045.29883.1.camel@decadent.org.uk>
Date:	Tue, 15 Sep 2015 03:10:45 +0100
From:	Ben Hutchings <ben@...adent.org.uk>
To:	Willy Tarreau <w@....eu>
Cc:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	Heiko Carstens <heiko.carstens@...ibm.com>,
	Martin Schwidefsky <schwidefsky@...ibm.com>
Subject: Re: [PATCH 2.6.32 18/62] s390/hibernate: fix save and restore of
 kernel text section

On Sun, 2015-09-13 at 00:56 +0200, Willy Tarreau wrote:
> 2.6.32-longterm review patch.  If anyone has any objections, please let me know.
> 
> ------------------
> 
> From: Heiko Carstens <heiko.carstens@...ibm.com>
> 
> commit d74419495633493c9cd3f2bbeb7f3529d0edded6 upstream.
> 
> Sebastian reported a crash caused by a jump label mismatch after resume.
> This happens because we do not save the kernel text section during suspend
> and therefore also do not restore it during resume, but use the kernel image
> that restores the old system.
[...]

I don't think this is needed because jump labels aren't implemented in
2.6.32.  But maybe there was some other mechanism that changes the
kernel text on s390?

Ben.

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/