Re: ptrace.2: PTRACE_KILL needs a stopped process too

From: Pedro Alves
Date: Wed May 09 2012 - 18:16:18 EST


On 05/09/2012 10:14 PM, Oleg Nesterov wrote:

>> i like to assume that my code isn't going to be bug free, so the more
>> mechanisms i have in place to protect innocent bystanders the better :)
>> -mike
>
> From this pov PTRACE_KILL is safer, I agree ;)


Yeah, until you trip on that case where it resumes the process
instead of killing it... At that point, it's useless.

Since I know Mike likes hacking on GDB so much ;-), FYI, this is
exercised by the gdb.base/kill-after-signal.exp test.

--
Pedro Alves
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