[GIT PULL] locking updates for v7.4

[Ingo Molnar]

Linus,

Please pull the latest locking/core Git tree from:

   git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git locking-core-2026-10-18

for you to fetch changes up to 67e0eadd862616cb22145d6117b79b79c4ae48fe:

Locking updates:

 - In the refcount checking code, BUG() on UAF related errors if
   CONFIG_BUG_ON_DATA_CORRUPTION=y (Jann Horn)

 - Add {over,under}flow detection for local_interrupt_{enable,disable}()
   (Boqun Feng)

 - Add kunit test case for max local_interrupt_disable() nesting level
   (Boqun Feng)

 - Clarify comment (Boqun Feng)

 Thanks,

	Ingo

------------------>
Boqun Feng (3):
      irq: Add {over,under}flow detection for local_interrupt_{enable,disable}
      irq: Explain better on NMI_MASK overflow condition
      irq: Add max local_interrupt_disable() nesting level kunit test case

Jann Horn (1):
      refcount: Use CONFIG_BUG_ON_DATA_CORRUPTION for UAF-related errors


 include/linux/hardirq.h              |  2 +-
 include/linux/interrupt_rc.h         | 13 +++++++++++++
 kernel/irq/refcount_interrupt_test.c | 22 ++++++++++++++++++++++
 lib/refcount.c                       | 15 ++++++++++++---
 4 files changed, 48 insertions(+), 4 deletions(-)