Re: [patch 3/9] proc: Add missing rcu protection for __task_cred() in task_sig()

[David Howells]

Thomas Gleixner <tglx@xxxxxxxxxxxxx> wrote:

> task_sig() accesses __task_cred() without being in a RCU read side
> critical section. tasklist_lock is not protecting that when
> CONFIG_TREE_PREEMPT_RCU=y.
> 
> Add a rcu_read_lock/unlock() section around the code which accesses
> __task_cred().
> 
> Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>

Acked-by: David Howells <dhowells@xxxxxxxxxx>
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