watchdog: BUG: soft lockup - CPU#0 stuck for 144s! [syz.0.393:7182] Modules linked in: irq event stamp: 11440815 hardirqs last enabled at (11440814): [] irqentry_exit+0x63/0x90 kernel/entry/common.c:357 hardirqs last disabled at (11440815): [] sysvec_apic_timer_interrupt+0xe/0xc0 arch/x86/kernel/apic/apic.c:1049 softirqs last enabled at (96024): [] __do_softirq kernel/softirq.c:588 [inline] softirqs last enabled at (96024): [] invoke_softirq kernel/softirq.c:428 [inline] softirqs last enabled at (96024): [] __irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637 softirqs last disabled at (96027): [] __do_softirq kernel/softirq.c:588 [inline] softirqs last disabled at (96027): [] invoke_softirq kernel/softirq.c:428 [inline] softirqs last disabled at (96027): [] __irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637 CPU: 0 UID: 0 PID: 7182 Comm: syz.0.393 Not tainted 6.12.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 RIP: 0010:unwind_next_frame+0x69e/0x22d0 Code: 83 fb 09 0f 85 69 09 00 00 4c 89 7c 24 28 48 8b 44 24 58 42 80 3c 20 00 74 08 4c 89 f7 e8 3a 5b bd 00 49 8b 2e e9 32 02 00 00 <4d> 89 ec 4d 89 ee 48 89 e8 4c 29 f0 48 89 c1 48 c1 f9 02 48 c1 e8 RSP: 0018:ffffc900000069f0 EFLAGS: 00000202 RAX: ffffffff914bb946 RBX: ffffffff914ee5b4 RCX: ffffffff90ac8d1e RDX: 00000000000b0001 RSI: ffffffff90ac8d00 RDI: 0000000000000001 RBP: ffffffff9033fa28 R08: 0000000000000005 R09: ffffc90000006bb0 R10: ffffc90000006b10 R11: ffffffff8180a270 R12: ffffffff9033fa18 R13: ffffffff9033fa18 R14: 000000000000cb1a R15: ffffffff81cb1af9 FS: 00007f7f3deae6c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020010000 CR3: 000000004c5d8000 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 mm/kasan/common.c:47 [inline] kasan_save_track+0x3f/0x80 mm/kasan/common.c:68 kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:579 poison_slab_object mm/kasan/common.c:247 [inline] __kasan_slab_free+0x59/0x70 mm/kasan/common.c:264 kasan_slab_free include/linux/kasan.h:230 [inline] slab_free_hook mm/slub.c:2342 [inline] slab_free mm/slub.c:4579 [inline] kfree+0x1a0/0x440 mm/slub.c:4727 ieee80211_inform_bss+0xbb2/0x1080 net/mac80211/scan.c:160 rdev_inform_bss net/wireless/rdev-ops.h:418 [inline] cfg80211_inform_single_bss_data+0xec1/0x2090 net/wireless/scan.c:2333 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:schedule_debug kernel/sched/core.c:5887 [inline] RIP: 0010:__schedule+0x172/0x4c30 kernel/sched/core.c:6567 Code: f6 48 8b 1b 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 80 3c 08 00 74 08 48 89 df e8 65 1f 2f f6 48 81 3b 9d 6e ac 57 <0f> 85 89 1e 00 00 83 7c 24 58 00 7f 5e 48 8b 44 24 28 48 8d 58 18 RSP: 0018:ffffc900033bf420 EFLAGS: 00000246 RAX: 1ffff92000677000 RBX: ffffc900033b8000 RCX: dffffc0000000000 RDX: 0000000000000000 RSI: ffffffff8c610c80 RDI: ffffffff8c610c40 RBP: ffffc900033bf630 R08: ffffc900033bf5bf R09: 0000000000000000 R10: ffffc900033bf5b0 R11: fffff52000677eb8 R12: ffffc900033bf5b0 R13: ffff8880b8600000 R14: dffffc0000000000 R15: dffffc0000000000 preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:7015 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:text_poke_bp_batch+0x80e/0xb30 arch/x86/kernel/alternative.c:2370 Code: 5f 00 83 fb 06 41 0f b6 dd b8 0f 00 00 00 0f 44 d8 48 8b 44 24 20 42 0f b6 04 30 84 c0 0f 85 43 01 00 00 88 9c 24 f0 00 00 00 <0f> b6 db bf cc 00 00 00 89 de e8 d3 66 5f 00 80 fb cc 75 15 e8 c9 RSP: 0018:ffffc900033bf7c0 EFLAGS: 00000297 RAX: 0000000000000001 RBX: 00000000000000e9 RCX: ffffc900033bf800 RDX: ffff8880330f1e00 RSI: 0000000000000005 RDI: 0000000000000006 RBP: ffffc900033bf920 R08: ffffffff81358606 R09: 1ffffffff285a100 R10: dffffc0000000000 R11: fffffbfff285a101 R12: 0000000000000000 R13: 00000000000000e9 R14: dffffc0000000000 R15: ffffffff931c3a40 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: 0033:0x7f7f3d17e759 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:00007f7f3deae038 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007f7f3d336058 RCX: 00007f7f3d17e759 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000040 RBP: 00007f7f3d1f175e R08: 0000000000000002 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f7f3d336058 R15: 00007ffff7822268 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 3649 Comm: kworker/u8:7 Not tainted 6.12.0-syzkaller #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 7a 33 54 00 e8 75 fb 5b 00 45 38 f7 75 15 66 90 e8 e9 32 54 00 0f 00 2d 32 7d c7 0a fb f4 50 fe ff ff e8 d6 32 54 00 fb e9 45 fe ff ff 89 d9 80 e1 07 38 RSP: 0018:ffffc9000cf3ec40 EFLAGS: 000002d3 RAX: ffffffff8140b727 RBX: ffff8880745d0150 RCX: ffff88803233bc00 RDX: 0000000000000000 RSI: ffffffff8c0acaa0 RDI: ffffffff8c610ca0 RBP: ffffc9000cf3ed10 R08: ffffffff942d08c7 R09: 1ffffffff285a118 R10: dffffc0000000000 R11: fffffbfff285a119 R12: 1ffff920019e7d8c R13: dffffc0000000000 R14: 0000000000000003 R15: 0000000000000003 FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb08edd7f98 CR3: 00000000123e2000 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/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_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