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Category: -Wflex-array-member-not-at-end

-Wflex-array-member-not-at-end/Kernel Self-Protection Project/Linux Kernel Bugs/Linux Kernel Hardening

-Wflex-array-member-not-at-end and a misalignment bug in the Linux kernel

Posted on April 18, 2026 by Gustavo A. R. Silva / 0 Comment

The warning During one of my presentations at Open Source Summit Japan 🇯🇵 the past year, I talked about a bug I found while addressing -Wflex-ar...

-Wflex-array-member-not-at-end/Kernel Self-Protection Project/Linux Kernel Bugs/Linux Kernel Hardening

100 -Wflex-array-member-not-at-end issues in linux-next

Posted on April 14, 2026 by Gustavo A. R. Silva / 0 Comment

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 fi...

-Wflex-array-member-not-at-end/Kernel Self-Protection Project/Linux Kernel Bugs/Linux Kernel Hardening

Here to fix what I break: Fixing a 2-year-old bug in the Linux kernel

Posted on March 17, 2026 by Gustavo A. R. Silva / 0 Comment

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...

-Wflex-array-member-not-at-end/Kernel Self-Protection Project/Linux Kernel Hardening

First Linux kernel patch of 2026

Posted on January 11, 2026 by Gustavo A. R. Silva / 0 Comment

First kernel patch of 2026 addressing 2,600 -Wflex-array-member-not-at-end warnings at once: ▫️ [PATCH v2][next] ipv4/inet_sock.h: Avoid thousands...

-Wflex-array-member-not-at-end/Conferences/Kernel Self-Protection Project/Linux Kernel Hardening/Mentoring/Presentations

Presenting at Open Source Summit Japan

Posted on January 11, 2026 by Gustavo A. R. Silva / 0 Comment

I had a great time at Open Source Summit and Linux Plumbers Conference in Japan last December. 🇯🇵🐧 Here are the links to my two presenta...

-Wflex-array-member-not-at-end/Conferences/Kernel Self-Protection Project/Linux Kernel Hardening/Mentoring/Presentations

Presenting at Open Source Summit Korea 2025

Posted on November 8, 2025 by Gustavo A. R. Silva / 0 Comment

First time in South Korea. Three talks in two days. Over 200 minutes of public speaking. Two packed rooms. Made new connections. (My luggage arrived four days a...

-Wflex-array-member-not-at-end/Kernel Self-Protection Project/Linux Kernel Hardening/Mentoring

Fixing the _DEFINE_FLEX() helper in the Linux kernel

Posted on May 21, 2025 by Gustavo A. R. Silva / 0 Comment

A couple of months ago, I submitted a patch to address a dozen -Wflex-array-member-not-at-end warnings in ACPI: Originally, I opted for the __struct_group() app...

-Wflex-array-member-not-at-end/Conferences/Linux Kernel Hardening/Open Source Life/Presentations

My first time presenting at Lund Linux Conference (LLC)

Posted on December 9, 2024 by Gustavo A. R. Silva / 0 Comment

This year I had the amazing experience of traveling to Sweden 🇸🇪 (and Denmark 🇩🇰 ) for the first time to present at the Lund Lin...

-Wflex-array-member-not-at-end/Conferences/Kernel Self-Protection Project/Linux Kernel Bugs/Linux Kernel Hardening/Presentations

Yet another memory corruption bug in the Linux kernel

Posted on November 21, 2024 by Gustavo A. R. Silva / 0 Comment

Yet another memory corruption bug caught thanks to -Wflex-array-member-not-at-end! 🐛🪲🐧 The maintainer has already taken this patch, and ...

-Wflex-array-member-not-at-end/Kernel Self-Protection Project/Linux Kernel Bugs/Linux Kernel Hardening

Memory corruption bug in the Wireless subsystem

Posted on November 21, 2024 by Gustavo A. R. Silva / 0 Comment

-Wflex-array-member-not-at-end continues to catch memory corruption bugs in the Linux kernel 🐛🪲🐧: Here’s a link to the slides and ...

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Recent Posts

  • 16 years since my first patch to the Linux kernel
  • -Wflex-array-member-not-at-end and a misalignment bug in the Linux kernel
  • 100 -Wflex-array-member-not-at-end issues in linux-next
  • Here to fix what I break: Fixing a 2-year-old bug in the Linux kernel
  • Guest lecture at Okayama University

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