watchdog: BUG: soft lockup - CPU#1 stuck for 143s! [syz.1.37:6037] Modules linked in: irq event stamp: 10696671 hardirqs last enabled at (10696670): [] irqentry_exit+0x63/0x90 kernel/entry/common.c:357 hardirqs last disabled at (10696671): [] sysvec_apic_timer_interrupt+0xe/0xc0 arch/x86/kernel/apic/apic.c:1049 softirqs last enabled at (39298): [] __do_softirq kernel/softirq.c:588 [inline] softirqs last enabled at (39298): [] invoke_softirq kernel/softirq.c:428 [inline] softirqs last enabled at (39298): [] __irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637 softirqs last disabled at (39301): [] __do_softirq kernel/softirq.c:588 [inline] softirqs last disabled at (39301): [] invoke_softirq kernel/softirq.c:428 [inline] softirqs last disabled at (39301): [] __irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637 CPU: 1 UID: 0 PID: 6037 Comm: syz.1.37 Not tainted 6.12.0-rc7-syzkaller-g9f8e716d46c6 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 RIP: 0010:unwind_next_frame+0x15f3/0x22d0 arch/x86/kernel/unwind_orc.c:641 Code: 45 58 00 00 00 00 4d 8d 75 36 4c 89 f0 48 c1 e8 03 0f b6 04 28 84 c0 0f 85 d3 0a 00 00 41 c6 06 01 48 8b 44 24 70 0f b6 04 28 <84> c0 0f 85 6a 08 00 00 0f b6 04 2b 84 c0 0f 85 82 08 00 00 48 8b RSP: 0018:ffffc90000a17910 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 1ffffffff2158a03 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc90000a17a40 RBP: dffffc0000000000 R08: ffffc90000a17a3f R09: 0000000000000000 R10: ffffc90000a17a30 R11: fffff52000142f48 R12: ffffc9000b2a0000 R13: ffffc90000a179e0 R14: ffffffff81c83266 R15: ffffc90000a17a30 FS: 00007fca7af2c6c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8e54a656c0 CR3: 00000000277ec000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: arch_stack_walk+0x11c/0x150 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x118/0x1d0 kernel/stacktrace.c:122 kasan_save_stack+0x3f/0x60 mm/kasan/common.c:47 __kasan_record_aux_stack+0xac/0xc0 mm/kasan/generic.c:541 kvfree_call_rcu+0xfc/0x790 kernel/rcu/tree.c:3810 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/0x5e80 net/wireless/scan.c:3188 cfg80211_inform_bss_frame_data+0x3b8/0x720 net/wireless/scan.c:3283 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:441 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:finish_task_switch+0x1ea/0x870 kernel/sched/core.c:5202 Code: c9 50 e8 79 00 0c 00 48 83 c4 08 4c 89 f7 e8 4d 39 00 00 0f 1f 44 00 00 4c 89 f7 e8 f0 1d 6d 0a e8 0b 5a 38 00 fb 48 8b 5d c0 <48> 8d bb f8 15 00 00 48 89 f8 48 c1 e8 03 49 be 00 00 00 00 00 fc RSP: 0018:ffffc9000b29f408 EFLAGS: 00000286 RAX: de33c3ab1a051800 RBX: ffff888034f0bc00 RCX: ffffffff8170cfaa RDX: dffffc0000000000 RSI: ffffffff8c0acac0 RDI: ffffffff8c610b20 RBP: ffffc9000b29f450 R08: ffffffff942d0807 R09: 1ffffffff285a100 R10: dffffc0000000000 R11: fffffbfff285a101 R12: 1ffff110170e7f14 R13: dffffc0000000000 R14: ffff8880b873ea80 R15: ffff8880b873f8a0 context_switch kernel/sched/core.c:5331 [inline] __schedule+0x1857/0x4c30 kernel/sched/core.c:6693 preempt_schedule_common+0x84/0xd0 kernel/sched/core.c:6872 preempt_schedule+0xe1/0xf0 kernel/sched/core.c:6896 preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk.S:12 on_each_cpu_cond_mask+0x79/0x80 kernel/smp.c:1052 on_each_cpu include/linux/smp.h:71 [inline] text_poke_sync arch/x86/kernel/alternative.c:2085 [inline] text_poke_bp_batch+0x726/0xb30 arch/x86/kernel/alternative.c:2357 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: 0033:0x7fca7a17e719 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:00007fca7af2c038 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007fca7a335f80 RCX: 00007fca7a17e719 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000040 RBP: 00007fca7a1f175e R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fca7a335f80 R15: 00007ffcffdf6128 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 16 Comm: ksoftirqd/0 Not tainted 6.12.0-rc7-syzkaller-g9f8e716d46c6 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 RIP: 0010:lockdep_hardirqs_off+0x7/0x110 kernel/locking/lockdep.c:4479 Code: 4f fd ff ff 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 41 56 53 <48> 83 ec 10 65 48 8b 04 25 28 00 00 00 48 89 44 24 08 83 3d 9c 82 RSP: 0018:ffffc90000157b58 EFLAGS: 00000006 RAX: 0000000000000246 RBX: ffffffff8157b108 RCX: 1ffff9200002af78 RDX: 0000000000000100 RSI: 0000000000000006 RDI: ffffffff8157b108 RBP: ffffc90000157c70 R08: ffffffff815d5d89 R09: 1ffffffff203a145 R10: dffffc0000000000 R11: ffffffff8157ab70 R12: ffff8880b8628740 R13: dffffc0000000000 R14: ffffc90000157c00 R15: 0000000000000007 FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fffa3257eec CR3: 0000000030208000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: trace_hardirqs_off+0x12/0x40 kernel/trace/trace_preemptirq.c:87 tasklet_action_common+0xd8/0x4d0 kernel/softirq.c:768 handle_softirqs+0x2c5/0x980 kernel/softirq.c:554 run_ksoftirqd+0xca/0x130 kernel/softirq.c:927 smpboot_thread_fn+0x544/0xa30 kernel/smpboot.c:164 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