Messages in this thread | | | From | "Eric W. Biederman" <> | Date | Wed, 27 Apr 2022 08:35:47 -0500 | Subject | Re: [PATCH 5/9] signal: Protect parent child relationships by childs siglock |
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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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