====== Hangout Notes 27 April 2017 ======

  * gnn@ has pushed his dt_probe changes to the CADETS repo

  * Tatsiana has pushed code to allow the audit and syscall providers to block

  * Samuel asks about which DWARF and CTF tools we're using in %%FreeBSD%%.  markj@ says that we use DWARF2 and are moving to DWARF4.

  * domagoj@ has a virtio driver that passes DTrace control operations between the guest and host in a VM system.  markj@ points out that domagoj@ should look at the ioctl does fasttrap make probe.

  * markj@ has been tracking down some race conditions in fasttrap

  * markj@ has been fuzzing DTrace with [[http://lcamtuf.coredump.cx/afl/|AFL]] and has found some new and interesting issues

  * samuel has fixed a buffer overlow in libdtrace and will pass along the fix

  * gnn@ has moved the DTrace specification to the %%OpenDTrace%% repo [[https://github.com/opendtrace/documentation|Open DTrace Documentation Repo]]

  * domagoj@ says that having VM based DTrace talk to other tracing systems is an interesting research topic and that he may pursue that in part in the future