12, 2017 10:14:54 AM
> > Subject: [PATCH] ftrace: fix kmemleak in unregister_ftrace_graph
> >
> > From: Shu Wang
> >
> > The trampoline allocated by function tracer was
> > overwrite by function_graph tracer, and cause
> > memory leak. The save_global_tramp
> From: shuw...@redhat.com
> To: rost...@goodmis.org, mi...@redhat.com
> Cc: ch...@redhat.com, liw...@redhat.com, linux-kernel@vger.kernel.org, "Shu
> Wang"
> Sent: Tuesday, September 12, 2017 10:14:54 AM
> Subject: [PATCH] ftrace: fix kmemleak in unregister_ftra
From: Shu Wang
The trampoline allocated by function tracer was
overwrite by function_graph tracer, and cause
memory leak. The save_global_trampoline should
save previous trampoline in register_ftrace_graph
and restore it in unregister_ftrace_graph. But
as it implemented, save_global_trampoline wa
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