linux-kernel - [GIT PULL] timer subsystem fix

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

Message-ID: <aWywYP3EqYzsrZLi@gmail.com>
Date: Sun, 18 Jan 2026 11:05:20 +0100
From: Ingo Molnar <mingo@...nel.org>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: linux-kernel@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>,
	Daniel Lezcano <daniel.lezcano@...aro.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Anna-Maria Behnsen <anna-maria@...utronix.de>,
	Frederic Weisbecker <frederic@...nel.org>
Subject: [GIT PULL] timer subsystem fix

Linus,

Please pull the latest timers/urgent Git tree from:

   git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git timers-urgent-2026-01-18

   # HEAD: 05dc4a9fc8b36d4c99d76bbc02aa9ec0132de4c2 hrtimer: Fix softirq base check in update_needs_ipi()

Fix the update_needs_ipi() check in the hrtimer code that
may result in incorrect skipping of hrtimer IPIs.

 Thanks,

	Ingo

------------------>
Thomas Weißschuh (1):
      hrtimer: Fix softirq base check in update_needs_ipi()


 kernel/time/hrtimer.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/time/hrtimer.c b/kernel/time/hrtimer.c
index bdb30cc5e873..0e4bc1ca15ff 100644
--- a/kernel/time/hrtimer.c
+++ b/kernel/time/hrtimer.c
@@ -913,7 +913,7 @@ static bool update_needs_ipi(struct hrtimer_cpu_base *cpu_base,
 			return true;
 
 		/* Extra check for softirq clock bases */
-		if (base->clockid < HRTIMER_BASE_MONOTONIC_SOFT)
+		if (base->index < HRTIMER_BASE_MONOTONIC_SOFT)
 			continue;
 		if (cpu_base->softirq_activated)
 			continue;