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Jakub Sitnicki

Jakub Sitnicki

November 03, 2021 2:37PM

The tale of a single register value

Deep Dive Software

It’s not every day that you get to debug what may well be a packet of death. It was certainly the first time for me. What do I mean by “a packet of death”? A software bug where the network stack crashes in reaction to a single received network packet, taking down the whole operating system with it....

October 12, 2019 2:00PM

It's crowded in here!

eBPF Linux UDP

We recently gave a presentation on Programming socket lookup with BPF at the Linux Plumbers Conference 2019 in Lisbon, Portugal. This blog post is a recap of the problem statement and proposed solution we presented....

May 03, 2019 2:00PM

eBPF can't count?!

eBPF Linux Programming

It is unlikely we can tell you anything new about the extended Berkeley Packet Filter, eBPF for short, if you've read all the great man pages, docs, guides, and some of our blogs out there. But we can tell you a war story, who doesn't like those?...