Episode Details

Catching up to BSD, news about the NetBSD project, a BSD Phone, and a bunch of OpenBSD and TrueOS News.

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Headlines

NetBSD 7.1 released

• This update represents a selected subset of fixes deemed important for security or stability reasons, as well as new features and enhancements.

• Kernel

  • compat_linux(8): Fully support sched_setaffinity and sched_getaffinity, fixing, e.g., the Intel Math Kernel Library.

• DTrace:

  • Avoid redefined symbol errors when loading the module.
  • Fix module autoload.

• IPFilter:

  • Fix matching of ICMP queries when NAT'd through IPF.
  • Fix lookup of original destination address when using a redirect rule. This is required for transparent proxying by squid, for example.
  • ipsec(4): Fix NAT-T issue with NetBSD being the host behind NAT.

• Drivers

  • Add vioscsi driver for the Google Compute Engine disk.
  • ichsmb(4): Add support for Braswell CPU and Intel 100 Series.
  • wm(4):
  • Add C2000 KX and 2.5G support.
  • Add Wake On Lan support.
  • Fixed a lot of bugs

• Security Fixes

  • NetBSD-SA2017-001 Memory leak in the connect system call.
  • NetBSD-SA2017-002 Several vulnerabilities in ARP.

• ARM related

  • Support for Raspberry Pi Zero.
  • ODROID-C1 Ethernet now works.

Summary of the preliminary LLDB support project

• What has been done in NetBSD

  • Verified the full matrix of combinations of wait(2) and ptrace(2) in the following
  • GNU libstdc++ std::call_once bug investigation test-cases
  • Improving documentation and other minor system parts
  • Documentation of ptrace(2) and explanation how debuggers work
  • Introduction of new siginfo(2) codes for SIGTRAP
  • New ptrace(2) interfaces

• What has been done in LLDB

• Native Process NetBSD Plugin

• The MonitorCallback function

• Other LLDB code, out of the NativeProcessNetBSD Plugin

• Automated LLDB Test Results Summary

• Plan for the next milestone

  • fix conflict with system-wide py-six
  • add support for auxv read operation
  • switch resolution of pid -> path to executable from /proc to sysctl(7)
  • recognize Real-Time Signals (SIGRTMIN-SIGRTMAX)
  • upstream !NetBSDProcessPlugin code
  • switch std::call_once to llvm::call_once
  • add new ptrace(2) interface to lock and unlock threads from execution
  • swit