watchdog: BUG: soft lockup - CPU#1 stuck for 143s! [kworker/u4:17:4659] Modules linked in: irq event stamp: 4333376 hardirqs last enabled at (4333375): [] asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:649 hardirqs last disabled at (4333376): [] sysvec_apic_timer_interrupt+0xa/0xb0 arch/x86/kernel/apic/apic.c:1107 softirqs last enabled at (4302624): [] invoke_softirq kernel/softirq.c:445 [inline] softirqs last enabled at (4302624): [] __irq_exit_rcu+0x155/0x240 kernel/softirq.c:650 softirqs last disabled at (4302587): [] invoke_softirq kernel/softirq.c:445 [inline] softirqs last disabled at (4302587): [] __irq_exit_rcu+0x155/0x240 kernel/softirq.c:650 CPU: 1 PID: 4659 Comm: kworker/u4:17 Not tainted 6.1.20-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 Workqueue: events_unbound toggle_allocation_gate RIP: 0010:csd_lock_wait kernel/smp.c:413 [inline] RIP: 0010:smp_call_function_many_cond+0x1f62/0x33d0 kernel/smp.c:987 Code: 2f 44 89 ee 83 e6 01 31 ff e8 7a 09 0b 00 41 83 e5 01 49 bd 00 00 00 00 00 fc ff df 75 0a e8 05 06 0b 00 e9 1b ff ff ff f3 90 <42> 0f b6 04 2b 84 c0 75 14 41 f7 07 01 00 00 00 0f 84 fe fe ff ff RSP: 0018:ffffc90014fff5a0 EFLAGS: 00000293 RAX: ffffffff817f5b3d RBX: 1ffff11017308415 RCX: ffff8880300cd7c0 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc90014fff980 R08: ffffffff817f5b06 R09: fffffbfff204d831 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000800000000 R13: dffffc0000000000 R14: 0000000000000000 R15: ffff8880b98420a8 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555569d6848 CR3: 000000000cc8e000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: on_each_cpu_cond_mask+0x3b/0x80 kernel/smp.c:1155 on_each_cpu include/linux/smp.h:71 [inline] text_poke_sync arch/x86/kernel/alternative.c:1316 [inline] text_poke_bp_batch+0x2bb/0x940 arch/x86/kernel/alternative.c:1516 text_poke_flush arch/x86/kernel/alternative.c:1707 [inline] text_poke_finish+0x16/0x30 arch/x86/kernel/alternative.c:1714 arch_jump_label_transform_apply+0x13/0x20 arch/x86/kernel/jump_label.c:146 static_key_enable_cpuslocked+0x12e/0x250 kernel/jump_label.c:177 static_key_enable+0x16/0x20 kernel/jump_label.c:190 toggle_allocation_gate+0xbf/0x480 mm/kfence/core.c:800 process_one_work+0x909/0x1380 kernel/workqueue.c:2289 worker_thread+0xa5f/0x1210 kernel/workqueue.c:2436 kthread+0x268/0x300 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 3764 Comm: syz-fuzzer Not tainted 6.1.20-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 RIP: 0010:__rcu_read_lock+0x0/0xb0 kernel/rcu/tree_plugin.h:399 Code: 39 fb ff ff 44 89 f1 80 e1 07 38 c1 0f 8c 2b fd ff ff 4c 89 f7 e8 f0 9f 6c 00 e9 1e fd ff ff e8 66 28 16 09 66 0f 1f 44 00 00 <55> 41 57 41 56 53 49 be 00 00 00 00 00 fc ff df 65 4c 8b 3d 88 49 RSP: 0000:ffffc90000007cb8 EFLAGS: 00000046 RAX: 1ffff11005cc5c6c RBX: ffff888058b9ec20 RCX: 0000000000010002 RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88802e62e358 RBP: ffff88802e62e2e8 R08: dffffc0000000000 R09: ffffed1005cc5c5e R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88802e62e000 R13: ffff88802e62e360 R14: dffffc0000000000 R15: 188174f1b102e9e3 FS: 000000c01b2cc490(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c014ac9f40 CR3: 000000007df52000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rcu_read_lock include/linux/rcupdate.h:745 [inline] advance_sched+0x6c9/0x940 net/sched/sch_taprio.c:753 __run_hrtimer kernel/time/hrtimer.c:1685 [inline] __hrtimer_run_queues+0x670/0x1020 kernel/time/hrtimer.c:1749 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1811 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1096 [inline] __sysvec_apic_timer_interrupt+0x198/0x680 arch/x86/kernel/apic/apic.c:1113 sysvec_apic_timer_interrupt+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1107 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:649 RIP: 0010:debug_lockdep_rcu_enabled+0x25/0x30 kernel/rcu/update.c:281 Code: cc cc cc cc cc 31 c0 83 3d b7 9a c8 03 00 74 1d 83 3d 42 ce c8 03 00 74 14 65 48 8b 0d 54 1b 78 75 31 c0 83 b9 4c 0a 00 00 00 <0f> 94 c0 c3 cc cc cc cc cc cc cc 53 48 8b 7c 24 08 e8 55 fb ff ff RSP: 0000:ffffc90005287638 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 1ffff92000a50ec8 RCX: ffff888078c11d40 RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8e52ed68 RBP: ffffc900052876d0 R08: dffffc0000000000 R09: fffffbfff1ca5dae R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff92000a50ee8 R13: ffffffff81e2a4b5 R14: dffffc0000000000 R15: dffffc0000000000 rcu_read_lock_held_common kernel/rcu/update.c:104 [inline] rcu_read_lock_sched_held+0x5f/0x130 kernel/rcu/update.c:123 trace_lock_release include/trace/events/lock.h:69 [inline] lock_release+0x10b/0xab0 kernel/locking/lockdep.c:5680 rcu_read_unlock include/linux/rcupdate.h:780 [inline] node_is_toptier+0x212/0x270 mm/memory-tiers.c:263 task_numa_fault+0x137/0x4930 kernel/sched/fair.c:2844 do_numa_page mm/memory.c:4794 [inline] handle_pte_fault mm/memory.c:4957 [inline] __handle_mm_fault mm/memory.c:5092 [inline] handle_mm_fault+0x31c2/0x5140 mm/memory.c:5213 do_user_addr_fault arch/x86/mm/fault.c:1428 [inline] handle_page_fault arch/x86/mm/fault.c:1519 [inline] exc_page_fault+0x655/0x860 arch/x86/mm/fault.c:1575 asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:570 RIP: 0033:0x41f64b Code: 85 c9 75 20 4c 89 44 24 38 e8 f1 55 ff ff 48 85 f6 0f 84 97 00 00 00 48 8b 54 24 78 49 89 f1 48 8b 74 24 48 4d 89 c8 49 29 d0 <4d> 8b 09 4d 85 c9 74 b1 4d 89 ca 49 29 d1 4c 39 ce 77 a6 4c 89 44 RSP: 002b:000000c001761e88 EFLAGS: 00010202 RAX: 000000c014ac9f20 RBX: 0000000000000030 RCX: 0000000000000000 RDX: 000000c014ac9f20 RSI: 0000000000000030 RDI: 0000000000000006 RBP: 000000c001761f08 R08: 0000000000000020 R09: 000000c014ac9f40 R10: 0000000000000010 R11: 000000000000003e R12: 000000c001761f08 R13: 0000000000000000 R14: 000000c000644d00 R15: 0000000000000001