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SubjectRe: [RFC][PATCH 1/9] klp: Fix obvious RCU fail
On Sat, 28 Feb 2015, Peter Zijlstra wrote:

> While one must hold RCU-sched (aka. preempt_disable) for find_symbol()
> one must equally hold it over the use of the object returned.
>
> The moment you release the RCU-sched read lock, the object can be dead
> and gone.
>
> Cc: Seth Jennings <sjenning@redhat.com>
> Cc: Josh Poimboeuf <jpoimboe@redhat.com>
> Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
> Cc: Miroslav Benes <mbenes@suse.cz>
> Cc: Petr Mladek <pmladek@suse.cz>
> Cc: Jiri Kosina <jkosina@suse.cz>
> Cc: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
> Cc: Rusty Russell <rusty@rustcorp.com.au>
> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>

Acked-by: Jiri Kosina <jkosina@suse.cz>

I guess you'll be taking this together with the series, so I am not
applying it.

Thanks,

--
Jiri Kosina
SUSE Labs


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