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SubjectRe: [PATCH v4] tty: add missing rcu_read_lock for task_pgrp
On 07/12/2015 06:51 PM, Patrick Donnelly wrote:
> task_pgrp requires an rcu or tasklist lock to be obtained if the returned pid
> is to be dereferenced, which kill_pgrp does. Obtain an RCU lock for the
> duration of use.

Reviewed-by: Peter Hurley <>

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