Re: [PATCH] mm: kmemleak: Ensure that the task stack is not freed during scanning

[Catalin Marinas]

On Wed, Oct 12, 2016 at 06:16:46PM +0800, Hillf Danton wrote:
> > @@ -1453,8 +1453,11 @@ static void kmemleak_scan(void)
> > 
> >  		read_lock(&tasklist_lock);
> >  		do_each_thread(g, p) {
> 
> Take a look at this commit please.
> 	1da4db0cd5 ("oom_kill: change oom_kill.c to use for_each_thread()")

Thanks. Isn't holding tasklist_lock here enough to avoid such races?

-- 
Catalin