linux-kernel - Re: [PATCH v2] tracing/osnoise: Replace kmalloc + copy_from_user with memdup

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Message-ID: <20251001081703.3befdc7a@gandalf.local.home>
Date: Wed, 1 Oct 2025 08:17:03 -0400
From: Steven Rostedt <rostedt@...dmis.org>
To: Thorsten Blum <thorsten.blum@...ux.dev>
Cc: Masami Hiramatsu <mhiramat@...nel.org>, Mathieu Desnoyers
 <mathieu.desnoyers@...icios.com>, linux-kernel@...r.kernel.org,
 linux-trace-kernel@...r.kernel.org
Subject: Re: [PATCH v2] tracing/osnoise: Replace kmalloc + copy_from_user
 with memdup_user

On Wed, 1 Oct 2025 11:11:16 +0200
Thorsten Blum <thorsten.blum@...ux.dev> wrote:

> On 1. Oct 2025, at 01:09, Steven Rostedt wrote:
> > Thanks, you can base it off of my for-next branch.  
> 
> I think your for-next branch[1] doesn't include the fix a2501032de0d
> ("tracing/osnoise: Fix slab-out-of-bounds in _parse_integer_limit()")
> yet, does it? My patch would need to be applied on top of that.
> 
> Thanks,
> Thorsten
> 
> [1] https://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace.git/log/?h=for-next

Interesting, because it failed to merge when I ran my script to merge all
my "for-next" branches. :-/

Anyway, apply it on top v6.17.

Thanks,

-- Steve