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# Linux 7.2-rc7: AI-driven bug discovery makes for a busy release candidate

**[Collections](https://daily.dev/sources/collections)** · 2 min read · 0 upvotes · 0 comments

## Summary

Linux 7.2-rc7 has been released as a larger-than-usual release candidate, primarily due to a surge of AI-driven bug discoveries from Sashiko, an LLM-based kernel scanning bot. The HWMON subsystem received a significant batch of critical and high-severity fixes including race conditions, integer overflows, and out-of-bounds accesses. Other notable fixes include an eight-year-old use-after-free race condition, Btrfs fixup worker restoration that was silently causing data loss, networking patches, and a Safe RET Interrupt Vulnerability fix. Linux 7.2 stable is expected around August 16 and will ship as the default kernel in Ubuntu 26.10. The release highlights a growing tension: AI tooling is finding real bugs faster than the review and release process can comfortably absorb them.

## Content

Linux 7.2-rc7 is out, and it's a chunky one. Linus Torvalds flagged that this release candidate is larger than he'd normally like, but he's not planning to delay the final 7.2 release over it. Barring something catastrophic showing up in the next few days, 7.2 stable should land next weekend, August 16.

So what's driving the size? AI.

Specifically, AI/LLM-based code review bots have been quietly (and not so quietly) tearing through the kernel codebase looking for bugs, and they're finding a lot of them. Torvalds called it "another exhausting AI-driven week," which is a pretty telling phrase from someone who's been doing this for three decades. He's framed the surge as the new normal for kernel development rather than a one-off anomaly: these tools are surfacing issues faster than human reviewers ever could, and the RC size is just what that looks like in practice.

## The HWMON pile-up

The hardware monitoring subsystem got hit especially hard. Maintainer Guenter Roeck pushed a batch of fixes ahead of rc7 and noted that most of them address critical or high severity bugs — race conditions, calculation errors, possible out-of-bounds accesses, integer overflows. The kind of stuff that's easy to miss in a review but nasty in production.//

Most of these were found by Sashiko, an AI/LLM bot that's been actively scanning the kernel for defects. It's a small case study in the bigger pattern: a single automated reviewer finding enough real bugs to flood a maintainer's queue right before a release.

## Other notable fixes in rc7

A few things stood out beyond the HWMON cleanup:

- A use-after-free race condition that had apparently been sitting in the kernel for eight years, finally caught.
- Btrfs restored its fixup worker infrastructure to close off a path to silent data loss — not the kind of bug you want lingering.
- A patch addressing the Safe RET Interrupt Vulnerability.
- A wave of AI-generated networking patches, continuing the theme of the week.

## The DRM scheduler reversal

Separately from the AI bug-hunting story, there's a scheduling policy rollback worth mentioning. Linux 7.2 had switched the DRM scheduler's default from the old FIFO policy to a newer

## Questions this post answers

### Why is Linux 7.2-rc7 larger than usual release candidates?

AI/LLM-based code review bots have been scanning the kernel codebase and surfacing a large volume of real bugs, particularly in the hardware monitoring (HWMON) subsystem, where maintainer Guenter Roeck pushed a batch of fixes for race conditions, calculation errors, out-of-bounds accesses, and integer overflows. Most were caught by a bot called Sashiko. Linus Torvalds called it 'another exhausting AI-driven week' but does not plan to delay the final 7.2 release, expected around August 16.

_daily.dev surfaces kernel release news like this for developers tracking how AI tools are reshaping code review._

### What happened with the DRM scheduler default policy in Linux 7.2?

Linux 7.2 had switched the DRM scheduler's default policy away from the older FIFO scheme to a newer approach, but this change was rolled back separately from the AI bug-hunting fixes covered in rc7. The reversal was noted as distinct from the wave of AI-discovered defects addressed elsewhere in the release candidate.

_developers evaluating kernel scheduler changes can follow updates like this via daily.dev._

## Similar posts on daily.dev

- [Linux 7.0-rc2 Released: "So I'm Not Super-Happy With How Big This Is"](https://daily.dev/posts/linux-7-0-rc2-released-so-i-m-not-super-happy-with-how-big-this-is--lnpxqpqrt) · Phoronix · 1 upvotes · 0 comments
- [Linux 7.1-rc7 Released: Stable Hopefully Next Sunday](https://daily.dev/posts/linux-7-1-rc7-released-stable-hopefully-next-sunday-ampjnppqq) · Phoronix · 0 upvotes · 0 comments

---

Tags: [#linux](https://daily.dev/tags/linux), [#ai-coding](https://daily.dev/tags/ai-coding)

[View this post on daily.dev](https://daily.dev/posts/linux-7-2-rc7-ai-driven-bug-discovery-makes-for-a-busy-release-candidate-xkdwblmio)

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