Gustavo A. R. Silva 🐧

Upstream first. 🐧 • • @[email protected] • Avatar by @shidokou

[Gustavo A. R. Silva 🐧 @embeddedgus]

"16 years ago today, after watching a presentation on YouTube titled “Write and Submit your first Linux Kernel Patch” by @gregkh, I submitted my first patch1 to the Linux kernel. 🐧🙂[...]"

https://t.co/BecKDPh05i 🐧

#Linux #OpenSource

[Gustavo A. R. Silva 🐧 @embeddedgus]

"During one of my presentations at Open Source Summit Japan🇯🇵 the past year, I talked about a bug I found while addressing -Wflex-array-member-not-at-end issues in the Linux kernel. The warning reported by the compiler was [...]"

https://t.co/jenzMTFrzX 🐧

#Linux #OpenSource

[Gustavo A. R. Silva 🐧 @embeddedgus]

@andersonc0d3 Amazing, best of luck!

[Gustavo A. R. Silva 🐧 @embeddedgus]

"16 years ago today, after watching a presentation on YouTube titled “Write and Submit your first Linux Kernel Patch” by @gregkh, I submitted my first patch1 to the Linux kernel. 🐧🙂[...]"

https://t.co/BecKDPh05i 🐧

#Linux #OpenSource

[Gustavo A. R. Silva 🐧 @embeddedgus]

"Today I woke up to the great news that we now have "only" 100 -Wflex-array-member-not-at-end issues left to be addressed in linux-next. I started fixing these issues a couple of years ago after running into a memory corruption bug caused by a flex[...]"

https://t.co/pvnQa2vABA

[Gustavo A. R. Silva 🐧 @embeddedgus]

@linuxfoundation Live Webinar Maintainer Series: My Life as a Linux Kernel Developer and Maintainer with @gregkh

"Greg KH and Shuah Khan talk about Greg’s experience as a kernel developer and maintainer [...]"

https://t.co/AnCO1OpCEX

[Gustavo A. R. Silva 🐧 @embeddedgus]

While reviewing one of the patches sent to the linux-hardening list this afternoon, I spotted a bug I introduced in the same code two years ago (on March 5 2024, to be precise).

Over nearly a decade contributing to the Linux kernel, I've...

Read more: https://t.co/JVbfOflW3k 🐧

[Gustavo A. R. Silva 🐧 @embeddedgus]

I presented at Everything Open @_everythingopen a couple of days ago. 🗣️🐧

My slides are already available for anyone who'd like to check them out.

Thanks for having me - I really enjoyed the session! 🙂✌🏽

https://t.co/zGHcUdCtzE

#EverythingOpen #EO2025

[Gustavo A. R. Silva 🐧 @embeddedgus]

Yet another memory corruption bug caught thanks to -Wflex-array-member-not-at-end! 🐛🪲🐧

https://t.co/BjzbXaehfp

This will soon land in mainline and a couple of stable trees. 😃🐧

Check out this presentation to learn more about this work:

https://t.co/asqcw5EyUh

KSPP ⚔️🛡️🐧

[Gustavo A. R. Silva 🐧 @embeddedgus]

"[...] Always remember: upstream Linux kernel development is highly social. 😉"

[Gustavo A. R. Silva 🐧 @embeddedgus]

I wrote a very short blog post to guide people to resources on how to start fixing Coverity issues and how that can be a great way to contribute to the Linux kernel. 🔍 🖥️ 🐧

It's particularly aimed at newcomers with some experience in C. 🙂

https://t.co/KxGnH4fdiu

[Gustavo A. R. Silva 🐧 @embeddedgus]

Status update on GCC security features for the Linux kernel - Qing Zhao

"Multiple security features for the Linux kernel have been added into GCC releases since GCC11, including "zero call-used registers at return" (GCC11) [...]"

@gnutools

https://t.co/01sFxgu01z

[GCC - GNU Toolchain @gnutools]

Containers with compiler toolchains from https://t.co/IYN13lQK2v
https://t.co/lIYM2DXtaU

[Gustavo A. R. Silva 🐧 @embeddedgus]

Happy to share that the video of my presentation @KernelRecipes last week is up. 🙂🐧⚔️🛡️

https://t.co/wNwGRM9qZE

[Gustavo A. R. Silva 🐧 @embeddedgus]

I’m really happy to share that I'll be traveling to Paris to speak at @KernelRecipes in the week after the Open Source Summit Europe. ✈️🇨🇵🗣️🎙️ I’m really excited about this edition, and as always, feel free to say hi if you see me around. 🙂👋🏽🐧 #Linux

https://t.co/k9AbT6CXIq

[Gustavo A. R. Silva 🐧 @embeddedgus]

https://t.co/Q1eL1wX4cQ (pdf) @KernelRecipes ❤️

[Gustavo A. R. Silva 🐧 @embeddedgus]

Kees Cook on Linux kernel security. 🐧

"I’ve found the term “undefined behavior” to have a really strict meaning within the compiler community, so I have tried to redefine my goal as eliminating “unexpected behavior” or “ambiguous language constructs”. "

https://t.co/fLJbaEHN06

[Gustavo A. R. Silva 🐧 @embeddedgus]

@KernelRecipes

[Velu Erwan @erwanaliasr1]

My talk about @PremdayConf presented at @osfc_io is now online :
https://t.co/fbrjcjShib

[Gustavo A. R. Silva 🐧 @embeddedgus]

@KernelRecipes

[Gustavo A. R. Silva 🐧 @embeddedgus]

@erwanaliasr1

[Velu Erwan @erwanaliasr1]

This morning I'll lead the largest charity auctions ever made at @KernelRecipes in favor of @larsaodomingos.

Thanks @Dell France for the support.