watchdog: BUG: soft lockup - CPU#0 stuck for 144s! [syz.3.45:6058] Modules linked in: irq event stamp: 11989877 hardirqs last enabled at (11989876): [] irqentry_exit+0x63/0x90 kernel/entry/common.c:357 hardirqs last disabled at (11989877): [] sysvec_apic_timer_interrupt+0xe/0xc0 arch/x86/kernel/apic/apic.c:1049 softirqs last enabled at (10302300): [] __do_softirq kernel/softirq.c:588 [inline] softirqs last enabled at (10302300): [] invoke_softirq kernel/softirq.c:428 [inline] softirqs last enabled at (10302300): [] __irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637 softirqs last disabled at (10302303): [] __do_softirq kernel/softirq.c:588 [inline] softirqs last disabled at (10302303): [] invoke_softirq kernel/softirq.c:428 [inline] softirqs last disabled at (10302303): [] __irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637 CPU: 0 UID: 0 PID: 6058 Comm: syz.3.45 Not tainted 6.12.0-rc7-syzkaller-g2c8b09ac2537 #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 be 5d 2d f6 f6 44 24 21 02 75 52 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 b3 23 91 f5 65 8b 05 a4 c1 31 74 85 c0 74 43 48 c7 04 24 0e 36 RSP: 0018:ffffc90000007960 EFLAGS: 00000206 RAX: acb3ee0f6bd2a600 RBX: 1ffff92000000f30 RCX: ffffffff8170c9ba RDX: dffffc0000000000 RSI: ffffffff8c0acda0 RDI: 0000000000000001 RBP: ffffc90000007a00 R08: ffffffff942d5917 R09: 1ffffffff285ab22 R10: dffffc0000000000 R11: fffffbfff285ab23 R12: dffffc0000000000 R13: 1ffff92000000f2c R14: ffffc90000007980 R15: 0000000000000246 FS: 00007f7fb20e16c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c2c36c0 CR3: 000000007d052000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: spin_unlock_irqrestore include/linux/spinlock.h:406 [inline] aoenet_xmit+0x12d/0x1a0 drivers/block/aoe/aoenet.c:122 aoecmd_cfg+0x9d6/0xa30 drivers/block/aoe/aoecmd.c:1371 call_timer_fn+0x18e/0x650 kernel/time/timer.c:1794 expire_timers kernel/time/timer.c:1845 [inline] __run_timers kernel/time/timer.c:2419 [inline] __run_timer_base+0x66a/0x8e0 kernel/time/timer.c:2430 run_timer_base kernel/time/timer.c:2439 [inline] run_timer_softirq+0xb7/0x170 kernel/time/timer.c:2449 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:get_current arch/x86/include/asm/current.h:49 [inline] RIP: 0010:write_comp_data kernel/kcov.c:245 [inline] RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x8/0x90 kernel/kcov.c:321 Code: 44 0a 20 c3 cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 4c 8b 04 24 <65> 48 8b 0c 25 00 d8 03 00 65 8b 05 f0 ee 6e 7e 25 00 01 ff 00 74 RSP: 0018:ffffc90004457578 EFLAGS: 00000246 RAX: 1ffff110170c7f99 RBX: 0000000000000000 RCX: 0000000000000002 RDX: ffffc9000dbc3000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90004457780 R08: ffffffff8188e0c4 R09: 1ffff110170c7f9a R10: dffffc0000000000 R11: ffffed10170c7f9b R12: dffffc0000000000 R13: ffff8880b863fcc0 R14: 0000000000000002 R15: ffff8880b863fcc8 find_next_bit include/linux/find.h:66 [inline] smp_call_function_many_cond+0x5c4/0x2ca0 kernel/smp.c:834 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: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: 0033:0x7f7fb137e819 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:00007f7fb20e1038 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007f7fb1535fa0 RCX: 00007f7fb137e819 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000040 RBP: 00007f7fb13f175e R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f7fb1535fa0 R15: 00007fffd56d95e8 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 6062 Comm: syz.1.47 Not tainted 6.12.0-rc7-syzkaller-g2c8b09ac2537 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 RIP: 0010:_compound_head include/linux/page-flags.h:242 [inline] RIP: 0010:free_pages_and_swap_cache+0x186/0x690 mm/swap_state.c:323 Code: 89 f7 e8 0d 96 09 00 4d 8b 26 4d 89 e7 49 83 e7 fc 49 8d 5f 08 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 e0 95 09 00 48 8b 1b 48 89 de 48 83 e6 01 31 ff RSP: 0018:ffffc900046b7000 EFLAGS: 00000246 RAX: 1ffffd400032d399 RBX: ffffea0001969cc8 RCX: dffffc0000000000 RDX: 0000000000000000 RSI: 0000000000000007 RDI: 000000000000001f RBP: ffffc900046b7288 R08: ffffffff81f5df60 R09: 1ffffd400032d390 R10: dffffc0000000000 R11: fffff9400032d391 R12: ffffea0001969cc0 R13: 1ffff1100bfddbf9 R14: ffff88805feedfc8 R15: ffffea0001969cc0 FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055555e7565c8 CR3: 0000000011bb8000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __tlb_batch_free_encoded_pages mm/mmu_gather.c:136 [inline] tlb_batch_pages_flush mm/mmu_gather.c:149 [inline] tlb_flush_mmu_free mm/mmu_gather.c:366 [inline] tlb_flush_mmu+0x3a3/0x680 mm/mmu_gather.c:373 zap_pte_range mm/memory.c:1700 [inline] zap_pmd_range mm/memory.c:1739 [inline] zap_pud_range mm/memory.c:1768 [inline] zap_p4d_range mm/memory.c:1789 [inline] unmap_page_range+0x376e/0x40e0 mm/memory.c:1810 unmap_vmas+0x3cc/0x5f0 mm/memory.c:1900 exit_mmap+0x275/0xc40 mm/mmap.c:1923 __mmput+0x115/0x390 kernel/fork.c:1348 exit_mm+0x220/0x310 kernel/exit.c:571 do_exit+0x9b2/0x28e0 kernel/exit.c:926 do_group_exit+0x207/0x2c0 kernel/exit.c:1088 get_signal+0x16a3/0x1740 kernel/signal.c:2918 arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:337 exit_to_user_mode_loop kernel/entry/common.c:111 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0xc9/0x370 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8aea97e819 Code: Unable to access opcode bytes at 0x7f8aea97e7ef. RSP: 002b:00007f8aeb693038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: 0000000000000000 RBX: 00007f8aeab35fa0 RCX: 00007f8aea97e819 RDX: 0000000020001401 RSI: 00000000c004743e RDI: 0000000000000004 RBP: 00007f8aea9f175e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f8aeab35fa0 R15: 00007ffee9249a28