Messages in this thread | | | Date | Thu, 23 Feb 2012 16:17:54 +0100 | From | Oleg Nesterov <> | Subject | Re: [ptrace] Problem with ptrace cleanup logic. |
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On 02/23, Tetsuo Handa wrote: > > I noticed that ptrace(PTRACE_ATTACH, 1) makes the global init process remain > killable even after a process that called ptrace(PTRACE_ATTACH, 1) exits.
Yes, known problem. We should cleanup the usage of signal->flags. This also allows to kill the new bitfields in signal_struct.
But firstly we should cleanup force_sig_info(), I sent the initial patches.
The problem is: init loses SIGNAL_UNKILLABLE.
Oleg.
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