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Wed, 25 Mar 2026 03:25:07 -0700 (PDT) Date: Wed, 25 Mar 2026 03:25:07 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <69c3b803.050a0220.abc16.0014.GAE@google.com> Subject: [moderation/CI] Re: Implementation of Dynamic Housekeeping & Enhanced Isolation (DHEI) From: syzbot ci To: syzkaller-upstream-moderation@googlegroups.com Cc: syzbot@lists.linux.dev Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable syzbot ci has tested the following series [v1] Implementation of Dynamic Housekeeping & Enhanced Isolation (DHEI) https://lore.kernel.org/all/20260325-dhei-v12-final-v1-0-919cca23cadf@gmail= .com * [PATCH 01/15] sched/isolation: Support dynamic allocation for housekeepin= g masks * [PATCH 02/15] sched/isolation: Introduce housekeeping notifier infrastruc= ture * [PATCH 03/15] sched/isolation: Separate housekeeping types in enum hk_typ= e * [PATCH 04/15] genirq: Support dynamic migration for managed interrupts * [PATCH 05/15] rcu: Support runtime NOCB initialization and dynamic offloa= ding * [PATCH 06/15] sched/core: Dynamically update scheduler domain housekeepin= g mask * [PATCH 07/15] watchdog: Allow runtime toggle of lockup detector affinity * [PATCH 08/15] workqueue: Support dynamic housekeeping mask updates * [PATCH 09/15] mm/compaction: Support dynamic housekeeping mask updates fo= r kcompactd * [PATCH 10/15] tick/nohz: Transition to dynamic full dynticks state manage= ment * [PATCH 11/15] sched/isolation: Implement SMT-aware isolation and safety g= uards * [PATCH 12/15] sched/isolation: Bridge boot-time parameters with dynamic i= solation * [PATCH 13/15] sched/isolation: Implement sysfs interface for dynamic hous= ekeeping * [PATCH 14/15] Documentation: isolation: Document DHEI sysfs interfaces * [PATCH 15/15] selftests: dhei: Add functional tests for dynamic housekeep= ing and found the following issue: kernel build error Full report is available here: https://ci.syzbot.org/series/bb8ddd2b-bd3f-479b-b34e-c924fd9f53e8 *** kernel build error tree: bpf-next URL: https://kernel.googlesource.com/pub/scm/linux/kernel/git/bpf/bpf= -next.git base: 63804fed149a6750ffd28610c5c1c98cce6bd377 arch: amd64 compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp= 1~20251221153213.50), Debian LLD 21.1.8 config: https://ci.syzbot.org/builds/968f9f5e-f0b1-4c6c-b75e-2dab0088f9e= 5/config kernel/rcu/tree_nocb.h:1706:13: error: redefinition of 'rcu_spawn_cpu_nocb_= kthread' *** If these findings have caused you to resend the series or submit a separate fix, please add the following tag to your commit message: Tested-by: syzbot@syzkaller.appspotmail.com --- This report is generated by a bot. It may contain errors. syzbot ci engineers can be reached at syzkaller@googlegroups.com. The email will later be sent to: [akpm@linux-foundation.org anna-maria@linutronix.de boqun.feng@gmail.com bs= egall@google.com dietmar.eggemann@arm.com frederic@kernel.org hannes@cmpxch= g.org jackmanb@google.com jiangshanlai@gmail.com joelagnelf@nvidia.com josh= @joshtriplett.org juri.lelli@redhat.com linux-kernel@vger.kernel.org linux-= kselftest@vger.kernel.org linux-mm@kvack.org mathieu.desnoyers@efficios.com= mgorman@suse.de mhocko@suse.com mingo@kernel.org mingo@redhat.com neeraj.u= padhyay@kernel.org paulmck@kernel.org peterz@infradead.org qiang.zhang@linu= x.dev rcu@vger.kernel.org realwujing@gmail.com rostedt@goodmis.org shuah@ke= rnel.org surenb@google.com tglx@kernel.org tj@kernel.org urezki@gmail.com v= babka@suse.cz vincent.guittot@linaro.org vschneid@redhat.com ziy@nvidia.com= ] If the report looks fine to you, reply with: #syz upstream If the report is a false positive, reply with #syz invalid