On Wed, 19 Aug 2009 19:45:11 -0700
Paul Menage <menage@xxxxxxxxxx> wrote:
> On Wed, Aug 19, 2009 at 7:39 PM, Li Zefan<lizf@xxxxxxxxxxxxxx> wrote:
> >
> >> + __ __ __ __ __ __ list_for_each_entry_rcu(p, &tsk->thread_group, thread_group) {
> >> + __ __ __ __ __ __ __ __ __ __ if (p->sighand) {
> >> + __ __ __ __ __ __ __ __ __ __ __ __ __ __ sighand = tsk->sighand;
(^^ who did that?)
> >
> > s/tsk->sighand/p->sighand
>
> Good catch, thanks. Fixed.
>
I see no fix anywhere so I did this:
--- a/kernel/cgroup.c~cgroups-add-functionality-to-read-write-lock-clone_thread-forking-per-threadgroup-fix
+++ a/kernel/cgroup.c
@@ -1557,7 +1557,7 @@ struct sighand_struct *threadgroup_fork_
rcu_read_lock();
list_for_each_entry_rcu(p, &tsk->thread_group, thread_group) {
if (p->sighand) {
- sighand = tsk->sighand;
+ sighand = p->sighand;
break;
}
}
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