Messages in this thread | | | Date | Tue, 24 May 2022 18:28:09 +0200 | From | Oleg Nesterov <> | Subject | Re: [PATCH 07/16] signal: Wake up the designated parent |
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On 05/24, Oleg Nesterov wrote: > > I fail to understand this patch... > > On 05/18, Eric W. Biederman wrote: > > > > Today if a process is ptraced only the ptracer will ever be woken up in > > wait > > and why is this wrong? > > > Fixes: 75b95953a569 ("job control: Add @for_ptrace to do_notify_parent_cldstop()") > > how does this change fix 75b95953a569?
OK, I guess you mean the 2nd do_notify_parent_cldstop() in ptrace_stop(), the problematic case is current->ptrace == T. Right?
I dislike this patch anyway, but let me think more about it.
Oleg.
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