Messages in this thread | | | Date | Tue, 21 Apr 2020 13:28:31 +0200 | From | Oleg Nesterov <> | Subject | Re: [PATCH] signal: Avoid corrupting si_pid and si_uid in do_notify_parent |
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On 04/21, Oleg Nesterov wrote: > > The corner case is release_task() when the last exiting sub-thread sends > a signal on behalf of its ->group_leader, and at this point all the tsk's > pid pointers are NULL, that is why "force" can be falsely "true".
Or do_notify_parent() can be called by debugger from the parent namespace, in this case "force" can be falsely "true" too.
Oleg.
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