lkml.org 
[lkml]   [2010]   [May]   [31]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] module: fix reference to mod->percpu after freeing module.
On 05/31/2010 12:23 PM, Rusty Russell wrote:
> Rafael sees a sometimes crash at precpu_modfree from kernel/module.c; it
> only occurred with another (since-reverted) patch, but that patch simply
> changed timing to uncover this bug, it was otherwise unrelated.
>
> The comment about the mod being freed is self-explanatory, but neither
> Tejun nor I read it. This bug was introduced in 259354deaa, after it
> had previously been fixed in 6e2b75740b. How embarrassing.
>
> Reported-by: "Rafael J. Wysocki" <rjw@sisk.pl>
> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
> Cc: Tejun Heo <tj@kernel.org>
> Cc: Masami Hiramatsu <mhiramat@redhat.com>
> Tested-by: "Rafael J. Wysocki" <rjw@sisk.pl>

Embarrassingly-Acked-by: Tejun Heo <tj@kernel.org>

Thanks. :-)

--
tejun


\
 
 \ /
  Last update: 2010-05-31 12:27    [W:0.061 / U:0.888 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site