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SubjectRe: [PATCH 5/9] signal: Protect parent child relationships by childs siglock
Sebastian Andrzej Siewior <bigeasy@linutronix.de> writes:

> On 2022-04-26 17:52:07 [-0500], Eric W. Biederman wrote:
>> The functions ptrace_stop and do_signal_stop have to drop siglock
>> and grab tasklist_lock because the parent/child relation ship
>> is guarded by siglock and not siglock.
>
> "is guarded by tasklist_lock and not siglock." ?

Yes. Thank you. I will fix that.

>> Simplify things by guarding the parent/child relationship
>> with siglock. For the most part this just requires a little bit
>> of code motion. In a couple of places more locking was needed.
>>
>>
>> Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
>
> Sebastian

Eric

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