watchdog: BUG: soft lockup - CPU#1 stuck for 123s! [swapper/1:0] Modules linked in: irq event stamp: 42266415 hardirqs last enabled at (42266414): [] handle_softirqs+0x1e7/0x9b0 kernel/softirq.c:545 hardirqs last disabled at (42266415): [] sysvec_apic_timer_interrupt+0xe/0xc0 arch/x86/kernel/apic/apic.c:1049 softirqs last enabled at (42266410): [] __do_softirq kernel/softirq.c:595 [inline] softirqs last enabled at (42266410): [] invoke_softirq kernel/softirq.c:435 [inline] softirqs last enabled at (42266410): [] __irq_exit_rcu+0xf7/0x220 kernel/softirq.c:662 softirqs last disabled at (42266413): [] __do_softirq kernel/softirq.c:595 [inline] softirqs last disabled at (42266413): [] invoke_softirq kernel/softirq.c:435 [inline] softirqs last disabled at (42266413): [] __irq_exit_rcu+0xf7/0x220 kernel/softirq.c:662 CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted 6.13.0-rc2-syzkaller-g2d8308bf5b67 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024 RIP: 0010:check_kcov_mode kernel/kcov.c:183 [inline] RIP: 0010:write_comp_data kernel/kcov.c:246 [inline] RIP: 0010:__sanitizer_cov_trace_switch+0xba/0x120 kernel/kcov.c:351 Code: 48 ff c2 49 39 d2 74 71 4c 8b 74 d6 10 65 8b 05 a4 71 64 7e 25 00 01 ff 00 74 11 3d 00 01 00 00 75 de 41 83 bb 1c 16 00 00 00 <74> d4 41 8b 83 f8 15 00 00 83 f8 03 75 c8 49 8b 8b 00 16 00 00 45 RSP: 0018:ffffc90000a18350 EFLAGS: 00000246 RAX: 0000000000000100 RBX: 0000000000000004 RCX: dffffc0000000000 RDX: 0000000000000002 RSI: ffffffff8e98cc70 RDI: 0000000000000004 RBP: 000000000000007d R08: 0000000000000005 R09: ffffffff81a362b3 R10: 0000000000000020 R11: ffff88801d2f0000 R12: 0000007b9a1038b5 R13: 00000000000009c4 R14: 0000000000000002 R15: ffff88801d6d49d4 FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fe299e21a84 CR3: 000000000e736000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: rb_read_data_buffer+0x103/0x520 kernel/trace/ring_buffer.c:1753 check_buffer+0x35e/0x850 kernel/trace/ring_buffer.c:4221 __rb_reserve_next kernel/trace/ring_buffer.c:4320 [inline] rb_reserve_next_event kernel/trace/ring_buffer.c:4452 [inline] ring_buffer_lock_reserve+0x12a9/0x21c0 kernel/trace/ring_buffer.c:4511 __trace_buffer_lock_reserve kernel/trace/trace.c:1020 [inline] trace_event_buffer_lock_reserve+0x2ab/0x6a0 kernel/trace/trace.c:2748 trace_event_buffer_reserve+0x2b7/0x3f0 kernel/trace/trace_events.c:515 do_trace_event_raw_event_bpf_trace_printk kernel/trace/bpf_trace.h:11 [inline] trace_event_raw_event_bpf_trace_printk+0x102/0x260 kernel/trace/bpf_trace.h:11 trace_bpf_trace_printk+0x186/0x1f0 kernel/trace/bpf_trace.h:11 ____bpf_trace_printk kernel/trace/bpf_trace.c:391 [inline] bpf_trace_printk+0x1bf/0x230 kernel/trace/bpf_trace.c:374 bpf_prog_0605f9f479290f07+0x38/0x3c bpf_dispatcher_nop_func include/linux/bpf.h:1290 [inline] __bpf_prog_run include/linux/filter.h:701 [inline] bpf_prog_run include/linux/filter.h:708 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2362 [inline] bpf_trace_run1+0x2ca/0x520 kernel/trace/bpf_trace.c:2402 trace_rcu_utilization+0x1b4/0x1e0 include/trace/events/rcu.h:27 rcu_core+0x133/0x17a0 kernel/rcu/tree.c:2795 handle_softirqs+0x2d4/0x9b0 kernel/softirq.c:561 __do_softirq kernel/softirq.c:595 [inline] invoke_softirq kernel/softirq.c:435 [inline] __irq_exit_rcu+0xf7/0x220 kernel/softirq.c:662 irq_exit_rcu+0x9/0x30 kernel/softirq.c:678 instr_sysvec_irq_work arch/x86/kernel/irq_work.c:17 [inline] sysvec_irq_work+0xa3/0xc0 arch/x86/kernel/irq_work.c:17 asm_sysvec_irq_work+0x1a/0x20 arch/x86/include/asm/idtentry.h:738 RIP: 0010:native_irq_disable arch/x86/include/asm/irqflags.h:37 [inline] RIP: 0010:arch_local_irq_disable arch/x86/include/asm/irqflags.h:92 [inline] RIP: 0010:acpi_safe_halt+0x21/0x30 drivers/acpi/processor_idle.c:112 Code: 90 90 90 90 90 90 90 90 90 65 48 8b 04 25 00 d6 03 00 48 f7 00 08 00 00 00 75 10 66 90 0f 00 2d 95 ee a0 00 f3 0f 1e fa fb f4 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 RSP: 0018:ffffc900001a7d08 EFLAGS: 00000246 RAX: ffff88801d2f0000 RBX: ffff888141ed7064 RCX: 0000000000052069 RDX: 0000000000000001 RSI: ffff888141ed7000 RDI: ffff888141ed7064 RBP: 000000000003a9f8 R08: ffff8880b8737cdb R09: 1ffff110170e6f9b R10: dffffc0000000000 R11: ffffffff8bc88c00 R12: ffff888147a9a000 R13: 0000000000000001 R14: 0000000000000001 R15: ffffffff8f1215a0 acpi_idle_enter+0xe4/0x140 drivers/acpi/processor_idle.c:699 cpuidle_enter_state+0x109/0x470 drivers/cpuidle/cpuidle.c:268 cpuidle_enter+0x5d/0xa0 drivers/cpuidle/cpuidle.c:389 call_cpuidle kernel/sched/idle.c:155 [inline] cpuidle_idle_call kernel/sched/idle.c:230 [inline] do_idle+0x372/0x5c0 kernel/sched/idle.c:325 cpu_startup_entry+0x42/0x60 kernel/sched/idle.c:423 start_secondary+0x102/0x110 arch/x86/kernel/smpboot.c:314 common_startup_64+0x13e/0x147 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 1143 Comm: kworker/u8:7 Not tainted 6.13.0-rc2-syzkaller-g2d8308bf5b67 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024 Workqueue: events_unbound toggle_allocation_gate RIP: 0010:csd_lock_wait kernel/smp.c:340 [inline] RIP: 0010:smp_call_function_many_cond+0x19f3/0x2c60 kernel/smp.c:884 Code: 45 8b 65 00 44 89 e6 83 e6 01 31 ff e8 56 e9 0b 00 41 83 e4 01 49 bc 00 00 00 00 00 fc ff df 75 07 e8 01 e5 0b 00 eb 38 f3 90 <42> 0f b6 04 23 84 c0 75 11 41 f7 45 00 01 00 00 00 74 1e e8 e5 e4 RSP: 0018:ffffc9000432f6e0 EFLAGS: 00000293 RAX: ffffffff8193795b RBX: 1ffff110170e88e9 RCX: ffff888027501e00 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc9000432f8e0 R08: ffffffff8193792a R09: 1ffffffff2854310 R10: dffffc0000000000 R11: fffffbfff2854311 R12: dffffc0000000000 R13: ffff8880b8744748 R14: ffff8880b863fac0 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fe299e4f1f5 CR3: 000000000e736000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000006 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: on_each_cpu_cond_mask+0x3f/0x80 kernel/smp.c:1051 on_each_cpu include/linux/smp.h:71 [inline] text_poke_sync arch/x86/kernel/alternative.c:2114 [inline] text_poke_bp_batch+0x352/0xb30 arch/x86/kernel/alternative.c:2324 text_poke_flush arch/x86/kernel/alternative.c:2515 [inline] text_poke_finish+0x30/0x50 arch/x86/kernel/alternative.c:2522 arch_jump_label_transform_apply+0x1c/0x30 arch/x86/kernel/jump_label.c:146 static_key_enable_cpuslocked+0x136/0x260 kernel/jump_label.c:210 static_key_enable+0x1a/0x20 kernel/jump_label.c:223 toggle_allocation_gate+0xbc/0x260 mm/kfence/core.c:849 process_one_work kernel/workqueue.c:3229 [inline] process_scheduled_works+0xa66/0x1840 kernel/workqueue.c:3310 worker_thread+0x870/0xd30 kernel/workqueue.c:3391 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244