rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-...D } 2662 jiffies s: 3273 root: 0x2/. rcu: blocking rcu_node structures (internal RCU debug): Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 1128 Comm: kworker/u8:9 Not tainted 6.11.0-rc7-syzkaller-00097-g196145c606d0 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 Workqueue: events_unbound cfg80211_wiphy_work RIP: 0010:match_held_lock+0x5f/0xc0 kernel/locking/lockdep.c:5206 Code: 28 5c 8f 48 2d 20 4b 92 96 48 c1 f8 03 48 0f af c2 0f b7 53 20 5b 81 e2 ff 1f 00 00 48 39 d0 0f 94 c0 0f b6 c0 c3 cc cc cc cc 01 00 00 00 5b c3 cc cc cc cc 31 f6 e8 3f fe ff ff 48 85 c0 75 RSP: 0018:ffffc90000a18bd8 EFLAGS: 00000046 RAX: 0000000000000014 RBX: ffff888028264780 RCX: ffffc90000a18c70 RDX: 0000000000000005 RSI: ffffffff8e8735a0 RDI: ffff888028264780 RBP: 0000000000000005 R08: 0000000000000000 R09: fffffbfff20289b3 R10: ffffffff90144d9f R11: 0000000000000000 R12: ffffffff8e8735a0 R13: ffffffff8e8735a0 R14: ffffc90000a18c70 R15: 0000000000000004 FS: 0000000000000000(0000) GS:ffff8880b8900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000080 CR3: 000000000db7c000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: find_held_lock+0x2d/0x110 kernel/locking/lockdep.c:5249 __lock_release kernel/locking/lockdep.c:5434 [inline] lock_release+0x227/0x6f0 kernel/locking/lockdep.c:5780 debug_objects_fill_pool lib/debugobjects.c:617 [inline] debug_object_activate+0x160/0x540 lib/debugobjects.c:705 debug_hrtimer_activate kernel/time/hrtimer.c:423 [inline] debug_activate kernel/time/hrtimer.c:478 [inline] enqueue_hrtimer+0x25/0x3c0 kernel/time/hrtimer.c:1085 __run_hrtimer kernel/time/hrtimer.c:1706 [inline] __hrtimer_run_queues+0xaac/0xcc0 kernel/time/hrtimer.c:1753 hrtimer_interrupt+0x31b/0x800 kernel/time/hrtimer.c:1815 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline] __sysvec_apic_timer_interrupt+0x10f/0x450 arch/x86/kernel/apic/apic.c:1049 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0x90/0xb0 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0x31/0x80 kernel/locking/spinlock.c:194 Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 a6 02 50 f6 48 89 df e8 be 7f 50 f6 f7 c5 00 02 00 00 75 23 9c 58 f6 c4 02 75 37 01 00 00 00 e8 e5 f2 41 f6 65 8b 05 76 1d ea 74 85 c0 74 16 5b RSP: 0018:ffffc90004217bc8 EFLAGS: 00000246 RAX: 0000000000000002 RBX: ffff888024409798 RCX: 1ffffffff2d29d9e RDX: 0000000000000000 RSI: ffffffff8b4cd740 RDI: ffffffff8bb0fc00 RBP: 0000000000000293 R08: 0000000000000001 R09: fffffbfff2d248ed R10: ffffffff9692476f R11: 0000000000000000 R12: 0000000000000293 R13: ffff888024409798 R14: ffff888028626780 R15: 0000000000000080 spin_unlock_irqrestore include/linux/spinlock.h:406 [inline] skb_dequeue+0x126/0x180 net/core/skbuff.c:3856 ieee80211_iface_work+0x21a/0xf00 net/mac80211/iface.c:1636 cfg80211_wiphy_work+0x445/0x760 net/wireless/core.c:440 process_one_work+0x9c5/0x1b40 kernel/workqueue.c:3231 process_scheduled_works kernel/workqueue.c:3312 [inline] worker_thread+0x6c8/0xf00 kernel/workqueue.c:3393 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244