Google Invests in Linux Kernel Developers to Focus on Security

Google will fund two full-time Linux kernel developers to maintain and improve Linux security in the long term.

Google and the Linux Foundation have announced plans to fund two full-time maintainers to exclusively focus on Linux kernel security development. Gustavo Silva and Nathan Chancellor, both active Linux contributors, will work to strengthen kernel security and associated projects.
Their goal is to make the pervasive operating system more sustainable as research indicates a need to improve open source software security, specifically in Linux. A
report
from the Linux Foundations Open Source Security Foundation (OpenSSF) and the Laboratory for Innovation Science at Harvard University (LISH) found a lack of security efforts in open source software.
Its worth noting Linux has more than 20,000 contributors and 1 million commits as of August 2020. But while there are thousands of Linux developers, Googles contribution to underwrite two full-time Linux security maintainers indicates the greater role security will play in its future. The company also hopes this initiative will motivate other organizations to contribute.
Supply chain security and open source security are critical, says Google software engineer Dan Lorenc. A lot of companies know that now and want to help but dont really know how to … were trying to talk about it now and show people how were doing it, so that they can get encouraged and get inspired and come up with other ways they can help out, too.
Lorenc sees two key components in the issue of open source software security. One is the fact that it comes from people all over the world, some of whom might be malicious or have bad intentions – an inherent problem to open source security. The other is its software, and all software has flaws, whether intentional or not, that need to be fixed.
Just because thats not your code doesnt mean there arent bugs, Lorenc adds. Thats kind of a misconception that a lot of companies are now starting to realize. These two factors, combined with the rise of people using open source software, is driving security as a priority.
Linux, which has become a bigger part of the supply chain and key enterprise systems, has also become
an appealing target
to advanced attackers. Strengthening the Linux kernel will be a key step in protecting open source software from both cybercriminals and advanced threats.
Chancellor, one of the two developers taking on this role, has been working on the Linux kernel for four-and-a-half years. Two years back, he began contributing to mainline Linux under the ClangBuiltLinux project, an initiative to get the Linux kernel building with the Clang and LLVM compiler tools. Chancellor hopes more people start to use the LLVM compiler infrastructure project and contribute fixes to both that and the kernel, as it will go a long way towards improving Linux security for everyone, he said
in a statement
.
Silva began working on the kernel as part of the Linux Foundations Core Infrastructure Initiative, a program in which younger developers are mentored by engineers who work on the kernel. Now his full-time security work focuses on removing several classes of buffer overflows. Hes also working on fixing vulnerabilities before they hit the mainline and developing defense mechanisms that cut off whole classes of vulnerabilities. Silva submitted his first kernel patch in 2010 and has consistently been among the top five most active kernel developers since 2017.
Both Chancellor and Silva report to David Wheeler, director of open source supply chain security at the Linux Foundation.
Todays news is the result of several challenging pieces fitting into place. It can be tough, Lorenc says, to find adequate funding, to find people who can take on projects like these, and to find projects like the Linux kernel, which does a good job of onboarding new contributors and getting patches in so that developers have actionable things to do, he explains.
Its really a matter of finding people willing to do the work, with people willing to mentor them and accept the work, and then [theres] important work to be done, he continues, noting that matching everything up can be challenging. In this case, Google is providing the funding, but many people working on this already have full-time jobs and cant take on these side projects.
On that note, it can also be difficult to find projects willing to accept contributions, he adds. Many open source projects, especially some of the neglected ones, dont have people available to merge code and onboard new maintainers. Matching all these factors up can be a challenge.
While there are no concrete plans to add more maintainers, Lorenc says theyre open to it.
We see this as a great use of investment, so these are the types of things where we love to scale up where we can, he adds.

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Google Invests in Linux Kernel Developers to Focus on Security