watchdog: BUG: soft lockup - CPU#0 stuck for 123s! [syz.4.147:6404] Modules linked in: irq event stamp: 10524489 hardirqs last enabled at (10524488): [] irqentry_exit+0x63/0x90 kernel/entry/common.c:357 hardirqs last disabled at (10524489): [] sysvec_apic_timer_interrupt+0xe/0xc0 arch/x86/kernel/apic/apic.c:1049 softirqs last enabled at (3490768): [] __do_softirq kernel/softirq.c:588 [inline] softirqs last enabled at (3490768): [] invoke_softirq kernel/softirq.c:428 [inline] softirqs last enabled at (3490768): [] __irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637 softirqs last disabled at (3490771): [] __do_softirq kernel/softirq.c:588 [inline] softirqs last disabled at (3490771): [] invoke_softirq kernel/softirq.c:428 [inline] softirqs last disabled at (3490771): [] __irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637 CPU: 0 UID: 0 PID: 6404 Comm: syz.4.147 Not tainted 6.12.0-rc4-syzkaller-g67555fc77235 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0xd8/0x140 kernel/locking/spinlock.c:194 Code: 9c 8f 44 24 20 42 80 3c 23 00 74 08 4c 89 f7 e8 ae f7 2d f6 f6 44 24 21 02 75 52 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 93 48 92 f5 65 8b 05 a4 f2 32 74 85 c0 74 43 48 c7 04 24 0e 36 RSP: 0018:ffffc90000006c00 EFLAGS: 00000206 RAX: e39d218962103b00 RBX: 1ffff92000000d84 RCX: ffffffff8170be0a RDX: dffffc0000000000 RSI: ffffffff8c0acdc0 RDI: 0000000000000001 RBP: ffffc90000006c90 R08: ffffffff942d08c7 R09: 1ffffffff285a118 R10: dffffc0000000000 R11: fffffbfff285a119 R12: dffffc0000000000 R13: 1ffff92000000d80 R14: ffffc90000006c20 R15: 0000000000000246 FS: 00007fc4546216c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555812b3808 CR3: 000000002c666000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: debug_object_activate+0x3e4/0x510 lib/debugobjects.c:726 debug_rcu_head_queue kernel/rcu/rcu.h:224 [inline] kvfree_call_rcu+0x99/0x790 kernel/rcu/tree.c:3801 cfg80211_update_known_bss+0xb45/0x1590 net/wireless/scan.c:1891 __cfg80211_bss_update+0x153/0x2030 net/wireless/scan.c:1938 cfg80211_inform_single_bss_data+0xd82/0x2090 net/wireless/scan.c:2329 cfg80211_inform_bss_data+0x3ce/0x5e70 net/wireless/scan.c:3184 cfg80211_inform_bss_frame_data+0x3b8/0x720 net/wireless/scan.c:3279 ieee80211_bss_info_update+0x8a7/0xbc0 net/mac80211/scan.c:226 ieee80211_scan_rx+0x526/0x9c0 net/mac80211/scan.c:340 __ieee80211_rx_handle_packet net/mac80211/rx.c:5225 [inline] ieee80211_rx_list+0x2b02/0x3780 net/mac80211/rx.c:5462 ieee80211_rx_napi+0x18a/0x3c0 net/mac80211/rx.c:5485 ieee80211_rx include/net/mac80211.h:5138 [inline] ieee80211_handle_queued_frames+0xe7/0x1e0 net/mac80211/main.c:439 tasklet_action_common+0x321/0x4d0 kernel/softirq.c:784 handle_softirqs+0x2c5/0x980 kernel/softirq.c:554 __do_softirq kernel/softirq.c:588 [inline] invoke_softirq kernel/softirq.c:428 [inline] __irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637 irq_exit_rcu+0x9/0x30 kernel/softirq.c:649 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1049 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:preempt_schedule_irq+0xf6/0x1c0 kernel/sched/core.c:7012 Code: 89 f5 49 c1 ed 03 eb 0d 48 f7 03 08 00 00 00 0f 84 8b 00 00 00 bf 01 00 00 00 e8 65 e1 93 f5 e8 b0 53 cd f5 fb bf 01 00 00 00 e5 ab ff ff 43 80 7c 3d 00 00 74 08 4c 89 f7 e8 d5 92 2f f6 48 RSP: 0018:ffffc9000c76f320 EFLAGS: 00000282 RAX: e39d218962103b00 RBX: 1ffff920018ede6c RCX: ffffffff8170be0a RDX: dffffc0000000000 RSI: ffffffff8c0acdc0 RDI: 0000000000000001 RBP: ffffc9000c76f3e0 R08: ffffffff942d0807 R09: 1ffffffff285a100 R10: dffffc0000000000 R11: fffffbfff285a101 R12: 1ffff920018ede64 R13: 1ffff920018ede68 R14: ffffc9000c76f340 R15: dffffc0000000000 irqentry_exit+0x5e/0x90 kernel/entry/common.c:354 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:lock_release+0x911/0xa30 Code: ff ff 48 8d 8c 24 80 00 00 00 80 e1 07 80 c1 03 38 c1 0f 8c fb fa ff ff 48 8d bc 24 80 00 00 00 e8 04 67 8e 00 e9 e9 fa ff ff 0f 1e fa 4d 89 ee 4c 89 64 24 10 65 8b 05 38 62 93 7e 83 f8 08 RSP: 0018:ffffc9000c76f4a0 EFLAGS: 00000a06 RAX: f3f3f3f3f300f2f2 RBX: 0000000000000001 RCX: 0000000000040000 RDX: ffffc9000c441000 RSI: ffffffff8135636c RDI: ffffffff8e939de0 RBP: ffffc9000c76f5d0 R08: ffffffff813562fb R09: 1ffff1100358f60c R10: dffffc0000000000 R11: ffffed100358f60d R12: 1ffff920018edea0 R13: ffffffff8135636c R14: 0000000000000046 R15: dffffc0000000000 rcu_lock_release include/linux/rcupdate.h:347 [inline] rcu_read_unlock include/linux/rcupdate.h:880 [inline] pte_unmap include/linux/pgtable.h:115 [inline] __text_poke+0xaf8/0xd30 arch/x86/kernel/alternative.c:1960 text_poke arch/x86/kernel/alternative.c:1984 [inline] text_poke_bp_batch+0x59c/0xb30 arch/x86/kernel/alternative.c:2317 text_poke_flush arch/x86/kernel/alternative.c:2486 [inline] text_poke_finish+0x30/0x50 arch/x86/kernel/alternative.c:2493 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 tracepoint_add_func+0x953/0x9e0 kernel/tracepoint.c:361 tracepoint_probe_register_prio kernel/tracepoint.c:511 [inline] tracepoint_probe_register+0x105/0x160 kernel/tracepoint.c:531 perf_trace_event_reg kernel/trace/trace_event_perf.c:129 [inline] perf_trace_event_init+0x478/0x930 kernel/trace/trace_event_perf.c:202 perf_trace_init+0x243/0x2e0 kernel/trace/trace_event_perf.c:226 perf_tp_event_init+0x8d/0x110 kernel/events/core.c:10357 perf_try_init_event+0x146/0x810 kernel/events/core.c:11891 perf_init_event kernel/events/core.c:11977 [inline] perf_event_alloc+0x135f/0x2310 kernel/events/core.c:12259 __do_sys_perf_event_open kernel/events/core.c:12766 [inline] __se_sys_perf_event_open+0xb1f/0x3870 kernel/events/core.c:12657 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fc45377e719 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fc454621038 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007fc453935f80 RCX: 00007fc45377e719 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000040 RBP: 00007fc4537f139e R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fc453935f80 R15: 00007ffe5ceca428 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 6420 Comm: kworker/u8:10 Not tainted 6.12.0-rc4-syzkaller-g67555fc77235 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 Workqueue: events_unbound cfg80211_wiphy_work RIP: 0010:native_safe_halt arch/x86/include/asm/irqflags.h:48 [inline] RIP: 0010:arch_safe_halt arch/x86/include/asm/irqflags.h:106 [inline] RIP: 0010:kvm_wait+0x250/0x2c0 arch/x86/kernel/kvm.c:1064 Code: 3b 45 0f b6 f6 44 89 ff 44 89 f6 e8 2a 31 54 00 e8 85 f7 5b 00 45 38 f7 75 15 66 90 e8 99 30 54 00 0f 00 2d 32 90 c7 0a fb f4 50 fe ff ff e8 86 30 54 00 fb e9 45 fe ff ff 89 d9 80 e1 07 38 RSP: 0018:ffffc90003f26c40 EFLAGS: 000002d3 RAX: ffffffff8140a727 RBX: ffff888028128150 RCX: ffff8880286a5a00 RDX: 0000000000000000 RSI: ffffffff8c0acdc0 RDI: ffffffff8c610b60 RBP: ffffc90003f26d10 R08: ffffffff942d08c7 R09: 1ffffffff285a118 R10: dffffc0000000000 R11: fffffbfff285a119 R12: 1ffff920007e4d8c R13: dffffc0000000000 R14: 0000000000000003 R15: 0000000000000003 FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f6538ce6008 CR3: 0000000034970000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: pv_wait arch/x86/include/asm/paravirt.h:596 [inline] pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:466 [inline] __pv_queued_spin_lock_slowpath+0x8d0/0xdb0 kernel/locking/qspinlock.c:508 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:584 [inline] queued_spin_lock_slowpath+0x42/0x50 arch/x86/include/asm/qspinlock.h:51 queued_spin_lock include/asm-generic/qspinlock.h:114 [inline] do_raw_spin_lock+0x272/0x370 kernel/locking/spinlock_debug.c:116 spin_lock_bh include/linux/spinlock.h:356 [inline] cfg80211_inform_single_bss_data+0xd6e/0x2090 net/wireless/scan.c:2328 cfg80211_inform_bss_data+0x3ce/0x5e70 net/wireless/scan.c:3184 cfg80211_inform_bss_frame_data+0x3b8/0x720 net/wireless/scan.c:3279 ieee80211_bss_info_update+0x8a7/0xbc0 net/mac80211/scan.c:226 ieee80211_rx_bss_info net/mac80211/ibss.c:1100 [inline] ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1579 [inline] ieee80211_ibss_rx_queued_mgmt+0x1962/0x2d70 net/mac80211/ibss.c:1606 ieee80211_iface_process_skb net/mac80211/iface.c:1603 [inline] ieee80211_iface_work+0x8a5/0xf20 net/mac80211/iface.c:1657 cfg80211_wiphy_work+0x2db/0x490 net/wireless/core.c:440 process_one_work kernel/workqueue.c:3229 [inline] process_scheduled_works+0xa63/0x1850 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