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 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 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