[PATCH F-14] bz#573210: ptrace-utrace: fix PTRACE_GETEVENTMSG(pid) in LXC
Josh Boyer
jwboyer at redhat.com
Sat Aug 27 22:03:38 UTC 2011
On Sat, Aug 27, 2011 at 07:49:24PM +0200, Oleg Nesterov wrote:
> https://bugzilla.redhat.com/show_bug.cgi?id=573210
>
> ptrace_report_clone() uses child->pid, this is obviously wrong unless
> the tracer is from the global namespace. Change it to use task_pid_vnr().
>
> This is still not right, we should use the tracer's namespace, not
> parent's. But this matches upstream, and at least this works if they
> are from the same namespace.
>
> Reported-by: Robin Green <greenrd at greenrd.org>
> Signed-off-by: Oleg Nesterov <oleg at redhat.com>
Thanks Oleg! I'll get this included in F14 on Monday.
josh
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