watchdog: BUG: soft lockup - CPU#0 stuck for 143s! [syz.4.566:7852] Modules linked in: irq event stamp: 13274371 hardirqs last enabled at (13274370): [] irqentry_exit+0x74/0x90 kernel/entry/common.c:214 hardirqs last disabled at (13274371): [] sysvec_apic_timer_interrupt+0xe/0xc0 arch/x86/kernel/apic/apic.c:1052 softirqs last enabled at (12914974): [] __do_softirq kernel/softirq.c:656 [inline] softirqs last enabled at (12914974): [] invoke_softirq kernel/softirq.c:496 [inline] softirqs last enabled at (12914974): [] __irq_exit_rcu+0xca/0x1f0 kernel/softirq.c:723 softirqs last disabled at (12914977): [] __do_softirq kernel/softirq.c:656 [inline] softirqs last disabled at (12914977): [] invoke_softirq kernel/softirq.c:496 [inline] softirqs last disabled at (12914977): [] __irq_exit_rcu+0xca/0x1f0 kernel/softirq.c:723 CPU: 0 UID: 0 PID: 7852 Comm: syz.4.566 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 RIP: 0010:unwind_next_frame+0x374/0x2390 arch/x86/kernel/unwind_orc.c:505 Code: ea 48 01 d2 48 01 f2 48 bd 00 00 00 00 00 fc ff df 0f 84 37 01 00 00 4c 8d 62 04 4c 8d 6a 05 4c 89 e0 48 c1 e8 03 0f b6 04 28 <84> c0 0f 85 6d 19 00 00 4c 89 e8 48 c1 e8 03 0f b6 04 28 84 c0 0f RSP: 0018:ffffc90000006cf8 EFLAGS: 00000a03 RAX: 0000000000000000 RBX: ffffffff8fb7f6e4 RCX: ffffffff8fb7f6e8 RDX: ffffffff90362118 RSI: ffffffff90362118 RDI: ffffffff8bc07400 RBP: dffffc0000000000 R08: 0000000000000009 R09: ffffffff8173cd25 R10: ffffc90000006e18 R11: ffffffff81ac6cd0 R12: ffffffff9036211c R13: ffffffff9036211d R14: ffffc90000006dc8 R15: ffffffff8fb7f6e4 FS: 00007fb645f0b6c0(0000) GS:ffff888125d0b000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd4c4bb12f8 CR3: 0000000072912000 CR4: 00000000003526f0 DR0: 0000200000000300 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: arch_stack_walk+0x11c/0x150 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x9c/0xe0 kernel/stacktrace.c:122 kasan_save_stack mm/kasan/common.c:56 [inline] kasan_save_track+0x3e/0x80 mm/kasan/common.c:77 poison_kmalloc_redzone mm/kasan/common.c:400 [inline] __kasan_kmalloc+0x93/0xb0 mm/kasan/common.c:417 kasan_kmalloc include/linux/kasan.h:262 [inline] __do_kmalloc_node mm/slub.c:5634 [inline] __kmalloc_noprof+0x411/0x7f0 mm/slub.c:5646 kmalloc_noprof include/linux/slab.h:961 [inline] kzalloc_noprof include/linux/slab.h:1094 [inline] cfg80211_inform_single_bss_data+0x905/0x1ac0 net/wireless/scan.c:2357 cfg80211_inform_bss_data+0x203/0x3b40 net/wireless/scan.c:3240 cfg80211_inform_bss_frame_data+0x3d7/0x730 net/wireless/scan.c:3331 ieee80211_bss_info_update+0x749/0x9e0 net/mac80211/scan.c:226 ieee80211_scan_rx+0x593/0xa20 net/mac80211/scan.c:355 __ieee80211_rx_handle_packet net/mac80211/rx.c:5194 [inline] ieee80211_rx_list+0x210c/0x2b90 net/mac80211/rx.c:5447 ieee80211_rx_napi+0x1a8/0x3d0 net/mac80211/rx.c:5470 ieee80211_rx include/net/mac80211.h:5214 [inline] ieee80211_handle_queued_frames+0xe8/0x1f0 net/mac80211/main.c:453 tasklet_action_common+0x36c/0x580 kernel/softirq.c:925 handle_softirqs+0x286/0x870 kernel/softirq.c:622 __do_softirq kernel/softirq.c:656 [inline] invoke_softirq kernel/softirq.c:496 [inline] __irq_exit_rcu+0xca/0x1f0 kernel/softirq.c:723 irq_exit_rcu+0x9/0x30 kernel/softirq.c:739 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1052 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1052 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697 RIP: 0010:do_raw_spin_lock+0x17f/0x290 kernel/locking/spinlock_debug.c:119 Code: 41 89 5d 00 43 80 3c 3e 00 74 08 4c 89 e7 e8 38 b6 87 00 48 8b 44 24 10 49 89 04 24 48 c7 44 24 20 0e 36 e0 45 48 8b 44 24 18 <4a> c7 04 38 00 00 00 00 65 48 8b 05 81 18 f3 10 48 3b 44 24 60 0f RSP: 0018:ffffc9000bd57520 EFLAGS: 00000246 RAX: 1ffff920017aaea8 RBX: 0000000000000000 RCX: dffffc0000000000 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffc9000bd57560 RBP: ffffc9000bd575d8 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffff520017aaeac R12: ffff88813ff1d070 R13: ffff88813ff1d068 R14: 1ffff11027fe3a0e R15: dffffc0000000000 spin_lock include/linux/spinlock.h:351 [inline] __pte_offset_map_lock+0x13e/0x210 mm/pgtable-generic.c:401 get_locked_pte include/linux/mm.h:2815 [inline] __text_poke+0x2e6/0xa10 arch/x86/kernel/alternative.c:2527 text_poke arch/x86/kernel/alternative.c:2612 [inline] smp_text_poke_batch_finish+0xd0f/0x1130 arch/x86/kernel/alternative.c:3001 arch_jump_label_transform_apply+0x1c/0x30 arch/x86/kernel/jump_label.c:146 static_key_enable_cpuslocked+0x128/0x250 kernel/jump_label.c:210 static_key_enable+0x1a/0x20 kernel/jump_label.c:223 tracepoint_add_func+0x994/0xa10 kernel/tracepoint.c:315 tracepoint_probe_register_prio kernel/tracepoint.c:464 [inline] tracepoint_probe_register+0x5d/0x90 kernel/tracepoint.c:484 perf_trace_event_reg kernel/trace/trace_event_perf.c:129 [inline] perf_trace_event_init+0x4e1/0x9d0 kernel/trace/trace_event_perf.c:202 perf_trace_init+0x23d/0x2d0 kernel/trace/trace_event_perf.c:226 perf_tp_event_init+0x8d/0x120 kernel/events/core.c:10872 perf_try_init_event+0x17f/0x870 kernel/events/core.c:12605 perf_init_event kernel/events/core.c:12703 [inline] perf_event_alloc+0x133e/0x2be0 kernel/events/core.c:12978 __do_sys_perf_event_open kernel/events/core.c:13496 [inline] __se_sys_perf_event_open+0x772/0x1d70 kernel/events/core.c:13377 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb644f8efc9 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:00007fb645f0b038 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007fb6451e5fa0 RCX: 00007fb644f8efc9 RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000200000000040 RBP: 00007fb645011f91 R08: 0000000000000001 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007fb6451e6038 R14: 00007fb6451e5fa0 R15: 00007ffcfe92dc88 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 1305 Comm: aoe_tx0 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 RIP: 0010:ttwu_do_activate+0x1/0x870 kernel/sched/core.c:3688 Code: 24 10 80 e1 07 80 c1 03 38 c1 7c b1 48 8b 7c 24 10 e8 93 fe 94 00 eb a5 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 <41> 57 41 56 41 55 41 54 53 48 83 ec 38 49 89 cf 41 89 d4 49 89 f5 RSP: 0018:ffffc90000a08c98 EFLAGS: 00000082 RAX: 1ffff110170e7571 RBX: dffffc0000000000 RCX: ffffc90000a08cd8 RDX: 0000000000000088 RSI: ffff888024919e40 RDI: ffff8880b873a040 RBP: ffff888024919e40 R08: ffffffff8f9dfc77 R09: 1ffffffff1f3bf8e R10: dffffc0000000000 R11: fffffbfff1f3bf8f R12: ffff8880b873a040 R13: 1ffff110170e75ce R14: ffff8880b873abd8 R15: ffff8880b873ae70 FS: 0000000000000000(0000) GS:ffff888125e0b000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000056459294e168 CR3: 000000007e360000 CR4: 00000000003526f0 DR0: 0000200000000300 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: ttwu_queue kernel/sched/core.c:3969 [inline] try_to_wake_up+0x721/0x12b0 kernel/sched/core.c:4293 hrtimer_wakeup+0x4e/0x60 kernel/time/hrtimer.c:2013 __run_hrtimer kernel/time/hrtimer.c:1777 [inline] __hrtimer_run_queues+0x52c/0xc60 kernel/time/hrtimer.c:1841 hrtimer_interrupt+0x45b/0xaa0 kernel/time/hrtimer.c:1903 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1041 [inline] __sysvec_apic_timer_interrupt+0x10b/0x410 arch/x86/kernel/apic/apic.c:1058 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1052 [inline] sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1052 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697 RIP: 0010:console_trylock_spinning kernel/printk/printk.c:2034 [inline] RIP: 0010:vprintk_emit+0x49d/0x590 kernel/printk/printk.c:2422 Code: 0f 84 34 ff ff ff e8 92 ed 1f 00 fb eb 44 e8 8a ed 1f 00 e8 a5 2b ac 09 4d 85 f6 74 94 e8 7b ed 1f 00 fb 48 c7 c7 c0 12 13 8e <31> f6 ba 01 00 00 00 31 c9 41 b8 01 00 00 00 45 31 c9 53 e8 1b 3b RSP: 0018:ffffc9000418f240 EFLAGS: 00000293 RAX: ffffffff81a05675 RBX: ffffffff81a054ce RCX: ffff888027760000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8e1312c0 RBP: ffffc9000418f350 R08: ffffffff8f9dfc77 R09: 1ffffffff1f3bf8e R10: dffffc0000000000 R11: fffffbfff1f3bf8f R12: 0000000000000000 R13: 000000000000002d R14: 0000000000000200 R15: 1ffff92000831e4c dev_vprintk_emit+0x337/0x3f0 drivers/base/core.c:4914 dev_printk_emit+0xe0/0x130 drivers/base/core.c:4925 __netdev_printk+0x3d7/0x4d0 net/core/dev.c:12716 netdev_warn+0x10a/0x160 net/core/dev.c:12769 ieee802154_subif_start_xmit+0x136/0x190 net/mac802154/tx.c:232 __netdev_start_xmit include/linux/netdevice.h:5248 [inline] netdev_start_xmit include/linux/netdevice.h:5257 [inline] xmit_one net/core/dev.c:3845 [inline] dev_hard_start_xmit+0x2d7/0x830 net/core/dev.c:3861 sch_direct_xmit+0x241/0x4b0 net/sched/sch_generic.c:344 __dev_xmit_skb net/core/dev.c:4152 [inline] __dev_queue_xmit+0x1857/0x3b50 net/core/dev.c:4729 dev_queue_xmit include/linux/netdevice.h:3365 [inline] tx+0x6b/0x190 drivers/block/aoe/aoenet.c:62 kthread+0x1d0/0x3e0 drivers/block/aoe/aoecmd.c:1241 kthread+0x711/0x8a0 kernel/kthread.c:463 ret_from_fork+0x4bc/0x870 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245