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The Wire · Showcase

KERNEL RC1 FIXES LAND ACROSS IRQ, X86, AND PERF SUBSYSTEMS

By RepoJournal · Filed · About Linux

Linus pulled five urgent fix sets overnight addressing resource leaks in irqchip drivers, an out-of-bounds vulnerability in Intel SNC resctrl code, and critical perf events regressions.

The irqchip fixes [1] tackle three driver-level issues: a resource leak in RISC-V imsic-early, an OF node reference leak in ARM gic-v3-its, and a dangling handler bug in the TS-4800 board driver that surfaces on module removal. The x86 fix [2] prevents out-of-bounds CPU offlining access when Intel Sub-NUMA Clustering is enabled in resctrl, a hardware resource control subsystem hitting production systems. Perf events [3] landed fixes for remove_on_exec handling in group events, uprobes CALL emulation with shadow stacks, and an uprobes unregister regression. The locking team [4] reverted an overzealous futex-requeue deadlock detection patch that introduced regressions, restoring the previous behavior. SPI fixes [5] are minor and device-specific, including Renesas DT binding improvements for power domains.

Action items

References

  1. [1] Merge tag 'irq-urgent-2026-07-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip torvalds/linux
  2. [2] Merge tag 'x86-urgent-2026-07-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip torvalds/linux
  3. [3] Merge tag 'perf-urgent-2026-07-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip torvalds/linux
  4. [4] Merge tag 'locking-urgent-2026-07-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip torvalds/linux
  5. [5] Merge tag 'spi-fix-v7.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi torvalds/linux

FAQ

What changed in Linux on July 6, 2026?
Linus pulled five urgent fix sets overnight addressing resource leaks in irqchip drivers, an out-of-bounds vulnerability in Intel SNC resctrl code, and critical perf events regressions.
What should Linux teams do about it?
Test Intel SNC systems immediately for resctrl CPU offlining • Pull latest -rc1 fixes before next test cycle • Verify perf event group tracking in your workloads
Which Linux repositories shipped on July 6, 2026?
torvalds/linux

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