linux-kernel - Re: [v2] powerpc: make /proc/self/stack always print the current stack

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:   Fri, 31 Mar 2017 23:33:58 +1100 (AEDT)
From:   Michael Ellerman <patch-notifications@...erman.id.au>
To:     Thadeu Lima de Souza Cascardo <cascardo@...onical.com>,
        linuxppc-dev@...ts.ozlabs.org
Cc:     Paul Mackerras <paulus@...ba.org>, linux-kernel@...r.kernel.org
Subject: Re: [v2] powerpc: make /proc/self/stack always print the current stack

On Mon, 2017-03-27 at 19:32:33 UTC, Thadeu Lima de Souza Cascardo wrote:
> For the current task, the kernel stack would only tell the last time the
> process was rescheduled, if ever. Use the current stack pointer for the
> current task.
> 
> Otherwise, every once in a while, the stacktrace printed when reading
> /proc/self/stack would look like the process is running in userspace,
> while it's not, which some may consider as a bug.
> 
> This is also consistent with some other architectures, like x86 and arm,
> at least.
> 
> Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@...onical.com>

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/4f9b514b765a3057341f3236c94877

cheers