linux-kernel - Re: [PATCH 0/2] A couple of unwinder fixes

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] [day] [month] [year] [list]

Date:   Wed, 24 May 2017 13:47:08 +0200
From:   Petr Mladek <pmladek@...e.com>
To:     Josh Poimboeuf <jpoimboe@...hat.com>
Cc:     x86@...nel.org, Dave Jones <davej@...emonkey.org.uk>,
        Steven Rostedt <rostedt@...dmis.org>,
        linux-kernel@...r.kernel.org, live-patching@...r.kernel.org
Subject: Re: [PATCH 0/2] A couple of unwinder fixes

On Tue 2017-05-23 10:37:28, Josh Poimboeuf wrote:
> Patch 1 reverts a previous fix because it introduced a new bug.
> 
> Patch 2 re-fixes the original bug.

I could confirm that the new bug has gone after applying both
patches. Also I think that I have reproduced the original bug
and it seems to have gone as well. Therefore feel free to use
for both patches:

Tested-by: Petr Mladek <pmladek@...e.com>

Best Regards,
Petr

> Josh Poimboeuf (2):
>   Revert "x86/entry: Fix the end of the stack for newly forked tasks"
>   x86/unwind: Add end-of-stack check for ftrace handlers
> 
>  arch/x86/entry/entry_32.S      | 30 ++++++++++++++++----------
>  arch/x86/entry/entry_64.S      | 11 ++++------
>  arch/x86/kernel/unwind_frame.c | 49 ++++++++++++++++++++++++++++++++++--------
>  3 files changed, 63 insertions(+), 27 deletions(-)
> 
> -- 
> 2.7.4
>