On Tue, Sep 08, 2020 at 11:15:14AM +0000, Eddy_Wu@xxxxxxxxxxxxxx wrote: > > From: peterz@xxxxxxxxxxxxx <peterz@xxxxxxxxxxxxx> > > > > I'm now trying and failing to reproduce.... I can't seem to make it use > > int3 today. It seems to want to use ftrace or refuses everything. I'm > > probably doing it wrong. > > > > You can turn off CONFIG_KPROBES_ON_FTRACE (and also sysctl > debug.kprobes-optimization) to make it use int3 handler I'm fairly sure I used the sysctl like in your original reproducer. I'll try again later.
