Devconf.cz 2023

Since its inception in 2015 and the mainline implementation in 2016, netlink decoding support in strace has been expanded to support various netlink protocols, message types, and peculiarities associated with various parts of it. This talk aims to provide an overview of the current implementation, capabilities, and caveats of the current strace's netlink support, along with a discussion of the various issues associated with netlink protocols' design and implementation that get in the way of straightforward protocol decoding by strace.