> That commit seems to be part of some x86 kprobes restructuring, I > hesitated to try it. After your email tried to cherry-pick to 4.4.y > and it does not go in smoothly at all, quite a bit of conflicts. > > I may not phrase it correctly: My point was that in 4.4 there > are more places where synthesize_reljump function is called, which > latter got removed. And this function modifies kprobes page, so > lifting up read-only protection needs to be done in more places > compared to latter kernels. Whether it can be done correctly and > proper thing to do in do_debug/resume_execution function > exception processing context I cannot tell. > > Thanks, > Victor > > > thanks, > > > > greg k-h > > Hi Victor, Hi Greg, Alexey Makhalov (+cc) ported the fix to kernel 4.4 2 weeks ago. https://www.spinics.net/lists/stable/msg245223.html It applies cleanly to 4.4.139. Regards, Jack
