Warning: Permanently added '10.128.1.22' (ED25519) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 229.448749][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 229.455914][ C1] rcu: 0-...!: (0 ticks this GP) idle=0e1/1/0x4000000000000002 softirq=6152/6152 fqs=0 [ 229.466166][ C1] (detected by 1, t=10502 jiffies, g=6777, q=29) [ 229.472591][ C1] Sending NMI from CPU 1 to CPUs 0: [ 229.477796][ C0] NMI backtrace for cpu 0 [ 229.477820][ C0] CPU: 0 PID: 4492 Comm: syz-executor397 Not tainted syzkaller #0 [ 229.477834][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 229.477848][ C0] RIP: 0010:lock_is_held_type+0xef/0x190 [ 229.477886][ C0] Code: 8b 4c 89 e6 e8 d2 56 51 fa eb cb 31 ed eb 20 83 fd ff 74 16 89 e9 31 c0 41 f6 47 22 03 0f 95 c0 31 ed 39 c1 40 0f 94 c5 eb 05 01 00 00 00 48 c7 c7 00 2f 0b 8a e8 c0 0d 00 00 b8 ff ff ff ff [ 229.477898][ C0] RSP: 0018:ffffc90003adef90 EFLAGS: 00000046 [ 229.477911][ C0] RAX: 0000000000000001 RBX: ffff88801eb51dc0 RCX: 0000000000000001 [ 229.477920][ C0] RDX: 0000000000000000 RSI: ffffffff8c11c760 RDI: ffff88801eb528d8 [ 229.477930][ C0] RBP: 00000000ffffffff R08: dffffc0000000000 R09: ffffc90003adf140 [ 229.477940][ C0] R10: fffff5200075be2f R11: 1ffff9200075be28 R12: 0000000000000001 [ 229.477950][ C0] R13: 0000000000000046 R14: ffffffff8c11c760 R15: ffff88801eb528d8 [ 229.477961][ C0] FS: 0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 [ 229.477973][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 229.477983][ C0] CR2: 00007ffe30b1a288 CR3: 000000006e45f000 CR4: 00000000003506f0 [ 229.477996][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 229.478004][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 229.478012][ C0] Call Trace: [ 229.478018][ C0] [ 229.478027][ C0] perf_misc_flags+0x56/0x1b0 [ 229.478064][ C0] perf_prepare_sample+0x132/0x1cb0 [ 229.478082][ C0] ? __lock_acquire+0x7c60/0x7c60 [ 229.478100][ C0] ? perf_callchain+0x190/0x190 [ 229.478117][ C0] perf_event_output_forward+0x146/0x280 [ 229.478132][ C0] ? __lock_acquire+0x7c60/0x7c60 [ 229.478149][ C0] ? perf_get_page_size+0x420/0x420 [ 229.478164][ C0] ? tracing_gen_ctx_irq_test+0xb3/0x130 [ 229.478183][ C0] ? __perf_event_account_interrupt+0x187/0x280 [ 229.478199][ C0] __perf_event_overflow+0x364/0x530 [ 229.478216][ C0] perf_tp_event+0x32c/0xb50 [ 229.478236][ C0] ? __perf_event_account_interrupt+0x187/0x280 [ 229.478252][ C0] ? perf_trace_run_bpf_submit+0x1c0/0x1c0 [ 229.478266][ C0] ? __perf_event_overflow+0x415/0x530 [ 229.478295][ C0] ? update_load_avg+0x507/0x1130 [ 229.478314][ C0] perf_trace_run_bpf_submit+0xf3/0x1c0 [ 229.478331][ C0] perf_trace_preemptirq_template+0x2be/0x380 [ 229.478349][ C0] ? asm_sysvec_irq_work+0x16/0x20 [ 229.478366][ C0] ? trace_event_raw_event_preemptirq_template+0x270/0x270 [ 229.478383][ C0] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 229.478402][ C0] ? lock_chain_count+0x20/0x20 [ 229.478419][ C0] ? asm_sysvec_irq_work+0x16/0x20 [ 229.478434][ C0] trace_irq_enable_rcuidle+0x108/0x180 [ 229.478451][ C0] trace_hardirqs_on+0x57/0x80 [ 229.478466][ C0] asm_sysvec_irq_work+0x16/0x20 [ 229.478480][ C0] RIP: 0010:rcu_read_unlock_special+0x84/0x480 [ 229.478497][ C0] Code: f1 f1 f1 00 f2 f2 f2 4a 89 04 2b 66 42 c7 44 2b 09 f3 f3 42 c6 44 2b 0b f3 65 44 8b 35 ed 11 9e 7e 41 f7 c6 00 00 f0 00 74 45 <48> c7 44 24 20 0e 36 e0 45 4a c7 04 2b 00 00 00 00 66 42 c7 44 2b [ 229.478508][ C0] RSP: 0018:ffffc90003adf760 EFLAGS: 00000206 [ 229.478520][ C0] RAX: 5ff85cccec8b1800 RBX: 1ffff9200075bef0 RCX: 5ff85cccec8b1800 [ 229.478531][ C0] RDX: dffffc0000000000 RSI: ffffffff8a0b1c60 RDI: ffffffff8a59e580 [ 229.478543][ C0] RBP: ffffc90003adf830 R08: dffffc0000000000 R09: fffffbfff1ff7c19 [ 229.478554][ C0] R10: fffffbfff1ff7c19 R11: 1ffffffff1ff7c18 R12: ffffffff8c120c00 [ 229.478565][ C0] R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000001 [ 229.478582][ C0] ? __rcu_read_unlock+0xd0/0xd0 [ 229.478596][ C0] ? rcu_lock_acquire+0x30/0x30 [ 229.478613][ C0] ? __lock_acquire+0x7c60/0x7c60 [ 229.478631][ C0] __rcu_read_unlock+0x78/0xd0 [ 229.478651][ C0] __unlock_page_memcg+0xea/0x100 [ 229.478670][ C0] unmap_page_range+0xfbc/0x2520 [ 229.478691][ C0] ? uprobe_munmap+0x165/0x3f0 [ 229.478711][ C0] unmap_vmas+0x11b/0x230 [ 229.478723][ C0] ? uprobe_clear_state+0x4f/0x460 [ 229.478738][ C0] ? unmap_page_range+0x2520/0x2520 [ 229.478751][ C0] ? __mutex_lock_common+0x431/0x2390 [ 229.478771][ C0] ? memset+0x1e/0x40 [ 229.478789][ C0] exit_mmap+0x38f/0x5f0 [ 229.478806][ C0] ? vm_brk+0x20/0x20 [ 229.478827][ C0] ? uprobe_clear_state+0x2f6/0x460 [ 229.478841][ C0] ? mm_update_next_owner+0x522/0x640 [ 229.478860][ C0] __mmput+0x115/0x3b0 [ 229.478875][ C0] exit_mm+0x567/0x6c0 [ 229.478891][ C0] ? xacct_add_tsk+0x4b0/0x4b0 [ 229.478908][ C0] ? do_exit+0x20a0/0x20a0 [ 229.478924][ C0] ? __ia32_sys_timer_delete+0x40/0x40 [ 229.478940][ C0] ? hrtimer_try_to_cancel+0x3c9/0x410 [ 229.478957][ C0] ? taskstats_exit+0x439/0xab0 [ 229.478975][ C0] ? tty_audit_exit+0x14e/0x1f0 [ 229.478993][ C0] do_exit+0x5a1/0x20a0 [ 229.479011][ C0] ? put_task_struct+0x80/0x80 [ 229.479026][ C0] ? rcu_nmi_exit+0x6f/0xf0 [ 229.479043][ C0] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 229.479061][ C0] ? lock_chain_count+0x20/0x20 [ 229.479079][ C0] do_group_exit+0x12e/0x300 [ 229.479097][ C0] __x64_sys_exit_group+0x3b/0x40 [ 229.479114][ C0] do_syscall_64+0x4c/0xa0 [ 229.479127][ C0] ? clear_bhb_loop+0x30/0x80 [ 229.479141][ C0] ? clear_bhb_loop+0x30/0x80 [ 229.479156][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 229.479171][ C0] RIP: 0033:0x7f2719169d49 [ 229.479183][ C0] Code: Unable to access opcode bytes at RIP 0x7f2719169d1f. [ 229.479189][ C0] RSP: 002b:00007ffe30b1a328 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 229.479203][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2719169d49 [ 229.479214][ C0] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 229.479227][ C0] RBP: 00007f27191e4290 R08: ffffffffffffffb8 R09: 00000000000000a0 [ 229.479237][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f27191e4290 [ 229.479246][ C0] R13: 0000000000000000 R14: 00007f27191e4ce0 R15: 00007f271913af80 [ 229.479262][ C0] [ 229.479268][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.471 msecs [ 229.479794][ C1] rcu: rcu_preempt kthread timer wakeup didn't happen for 10501 jiffies! g6777 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 [ 230.077310][ C1] rcu: Possible timer handling issue on cpu=0 timer-softirq=2347 [ 230.085123][ C1] rcu: rcu_preempt kthread starved for 10502 jiffies! g6777 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 [ 230.096403][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 230.106468][ C1] rcu: RCU grace-period kthread stack dump: [ 230.112376][ C1] task:rcu_preempt state:I stack:27880 pid: 15 ppid: 2 flags:0x00004000 [ 230.121598][ C1] Call Trace: [ 230.124882][ C1] [ 230.127828][ C1] __schedule+0x11bb/0x4390 [ 230.132360][ C1] ? _raw_spin_lock_irqsave+0x7f/0xf0 [ 230.137752][ C1] ? _raw_spin_unlock_irqrestore+0x82/0x100 [ 230.143653][ C1] ? _raw_spin_unlock_irqrestore+0x82/0x100 [ 230.149558][ C1] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 230.155463][ C1] ? _raw_spin_unlock+0x40/0x40 [ 230.160318][ C1] ? rcu_is_watching+0x11/0xa0 [ 230.165101][ C1] ? release_firmware_map_entry+0x190/0x190 [ 230.171019][ C1] schedule+0x11b/0x1e0 [ 230.175187][ C1] schedule_timeout+0x15c/0x280 [ 230.180048][ C1] ? console_conditional_schedule+0x40/0x40 [ 230.185973][ C1] ? update_process_times+0x200/0x200 [ 230.191368][ C1] ? prepare_to_swait_event+0x331/0x350 [ 230.196940][ C1] rcu_gp_fqs_loop+0x29e/0x11b0 [ 230.201810][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 230.207017][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 230.212229][ C1] ? rcu_gp_init+0xd58/0x10e0 [ 230.216919][ C1] ? rcu_gp_init+0x10e0/0x10e0 [ 230.221702][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 230.226909][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 230.232126][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 230.237338][ C1] rcu_gp_kthread+0x98/0x350 [ 230.241947][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 230.247071][ C1] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 230.252977][ C1] ? __kthread_parkme+0x157/0x1b0 [ 230.258022][ C1] kthread+0x436/0x520 [ 230.262099][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 230.267221][ C1] ? kthread_blkcg+0xd0/0xd0 [ 230.271831][ C1] ret_from_fork+0x1f/0x30 [ 230.276275][ C1] [ 230.279301][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 230.285627][ C1] Sending NMI from CPU 1 to CPUs 0: [ 230.290837][ C0] NMI backtrace for cpu 0 [ 230.290846][ C0] CPU: 0 PID: 4492 Comm: syz-executor397 Not tainted syzkaller #0 [ 230.290862][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 230.290871][ C0] RIP: 0010:perf_trace_preemptirq_template+0x16e/0x380 [ 230.290893][ C0] Code: 00 00 0f 84 7f 01 00 00 4c 89 6c 24 20 e8 6a e6 f9 ff 48 8d 74 24 60 48 8d 94 24 80 00 00 00 c7 84 24 80 00 00 00 00 00 00 00 14 00 00 00 e8 88 ae 01 00 48 85 c0 0f 84 43 01 00 00 49 89 c6 [ 230.290907][ C0] RSP: 0018:ffffc90003adf580 EFLAGS: 00000093 [ 230.290921][ C0] RAX: ffffffff817de5a6 RBX: dffffc0000000000 RCX: ffff88801eb51dc0 [ 230.290934][ C0] RDX: ffffc90003adf600 RSI: ffffc90003adf5e0 RDI: 0000000000000008 [ 230.290945][ C0] RBP: ffffc90003adf668 R08: dffffc0000000000 R09: ffffed1017207662 [ 230.290957][ C0] R10: ffffed1017207662 R11: 1ffff11017207661 R12: ffffffff8c167580 [ 230.290969][ C0] R13: ffffe8ffffc349a8 R14: ffffffff8bbcc820 R15: ffffffff8c167500 [ 230.290982][ C0] FS: 0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 [ 230.291013][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 230.291024][ C0] CR2: 00007ffe30b1a288 CR3: 000000006e45f000 CR4: 00000000003506f0 [ 230.291039][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 230.291048][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 230.291058][ C0] Call Trace: [ 230.291064][ C0] [ 230.291071][ C0] ? asm_sysvec_irq_work+0x16/0x20 [ 230.291090][ C0] ? trace_event_raw_event_preemptirq_template+0x270/0x270 [ 230.291121][ C0] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 230.291142][ C0] ? lock_chain_count+0x20/0x20 [ 230.291161][ C0] ? asm_sysvec_irq_work+0x16/0x20 [ 230.291182][ C0] trace_irq_enable_rcuidle+0x108/0x180 [ 230.291201][ C0] trace_hardirqs_on+0x57/0x80 [ 230.291217][ C0] asm_sysvec_irq_work+0x16/0x20 [ 230.291233][ C0] RIP: 0010:rcu_read_unlock_special+0x84/0x480 [ 230.291249][ C0] Code: f1 f1 f1 00 f2 f2 f2 4a 89 04 2b 66 42 c7 44 2b 09 f3 f3 42 c6 44 2b 0b f3 65 44 8b 35 ed 11 9e 7e 41 f7 c6 00 00 f0 00 74 45 <48> c7 44 24 20 0e 36 e0 45 4a c7 04 2b 00 00 00 00 66 42 c7 44 2b [ 230.291262][ C0] RSP: 0018:ffffc90003adf760 EFLAGS: 00000206 [ 230.291274][ C0] RAX: 5ff85cccec8b1800 RBX: 1ffff9200075bef0 RCX: 5ff85cccec8b1800 [ 230.291286][ C0] RDX: dffffc0000000000 RSI: ffffffff8a0b1c60 RDI: ffffffff8a59e580 [ 230.291299][ C0] RBP: ffffc90003adf830 R08: dffffc0000000000 R09: fffffbfff1ff7c19 [ 230.291311][ C0] R10: fffffbfff1ff7c19 R11: 1ffffffff1ff7c18 R12: ffffffff8c120c00 [ 230.291323][ C0] R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000001 [ 230.291343][ C0] ? __rcu_read_unlock+0xd0/0xd0 [ 230.291359][ C0] ? rcu_lock_acquire+0x30/0x30 [ 230.291376][ C0] ? __lock_acquire+0x7c60/0x7c60 [ 230.291396][ C0] __rcu_read_unlock+0x78/0xd0 [ 230.291412][ C0] __unlock_page_memcg+0xea/0x100 [ 230.291432][ C0] unmap_page_range+0xfbc/0x2520 [ 230.291456][ C0] ? uprobe_munmap+0x165/0x3f0 [ 230.291478][ C0] unmap_vmas+0x11b/0x230 [ 230.291492][ C0] ? uprobe_clear_state+0x4f/0x460 [ 230.291508][ C0] ? unmap_page_range+0x2520/0x2520 [ 230.291521][ C0] ? __mutex_lock_common+0x431/0x2390 [ 230.291543][ C0] ? memset+0x1e/0x40 [ 230.291563][ C0] exit_mmap+0x38f/0x5f0 [ 230.291582][ C0] ? vm_brk+0x20/0x20 [ 230.291605][ C0] ? uprobe_clear_state+0x2f6/0x460 [ 230.291620][ C0] ? mm_update_next_owner+0x522/0x640 [ 230.291641][ C0] __mmput+0x115/0x3b0 [ 230.291657][ C0] exit_mm+0x567/0x6c0 [ 230.291674][ C0] ? xacct_add_tsk+0x4b0/0x4b0 [ 230.291693][ C0] ? do_exit+0x20a0/0x20a0 [ 230.291710][ C0] ? __ia32_sys_timer_delete+0x40/0x40 [ 230.291727][ C0] ? hrtimer_try_to_cancel+0x3c9/0x410 [ 230.291745][ C0] ? taskstats_exit+0x439/0xab0 [ 230.291763][ C0] ? tty_audit_exit+0x14e/0x1f0 [ 230.291782][ C0] do_exit+0x5a1/0x20a0 [ 230.291802][ C0] ? put_task_struct+0x80/0x80 [ 230.291818][ C0] ? rcu_nmi_exit+0x6f/0xf0 [ 230.291837][ C0] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 230.291857][ C0] ? lock_chain_count+0x20/0x20 [ 230.291876][ C0] do_group_exit+0x12e/0x300 [ 230.291896][ C0] __x64_sys_exit_group+0x3b/0x40 [ 230.291914][ C0] do_syscall_64+0x4c/0xa0 [ 230.291930][ C0] ? clear_bhb_loop+0x30/0x80 [ 230.291945][ C0] ? clear_bhb_loop+0x30/0x80 [ 230.291961][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 230.291977][ C0] RIP: 0033:0x7f2719169d49 [ 230.291990][ C0] Code: Unable to access opcode bytes at RIP 0x7f2719169d1f. [ 230.291997][ C0] RSP: 002b:00007ffe30b1a328 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 230.292012][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2719169d49 [ 230.292022][ C0] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 230.292032][ C0] RBP: 00007f27191e4290 R08: ffffffffffffffb8 R09: 00000000000000a0 [ 230.292043][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f27191e4290 [ 230.292053][ C0] R13: 0000000000000000 R14: 00007f27191e4ce0 R15: 00007f271913af80 [ 230.292071][ C0] [ 230.295106][ T4403] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-... } 10635 jiffies s: 3557 root: 0x1/. [ 230.792780][ T4403] rcu: blocking rcu_node structures (internal RCU debug): [ 230.799950][ T4403] Task dump for CPU 0: [ 230.804028][ T4403] task:syz-executor397 state:R running task stack:27104 pid: 4492 ppid: 4202 flags:0x0000400a [ 230.814858][ T4403] Call Trace: [ 230.818153][ T4403] [ 230.821138][ T4403] ? perf_trace_preemptirq_template+0x2be/0x380 [ 230.827410][ T4403] ? asm_sysvec_irq_work+0x16/0x20 [ 230.832583][ T4403] ? trace_event_raw_event_preemptirq_template+0x270/0x270 [ 230.839847][ T4403] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 230.845860][ T4403] ? lock_chain_count+0x20/0x20 [ 230.850782][ T4403] ? asm_sysvec_irq_work+0x16/0x20 [ 230.855915][ T4403] ? trace_irq_enable_rcuidle+0x108/0x180 [ 230.861694][ T4403] ? trace_hardirqs_on+0x57/0x80 [ 230.866651][ T4403] ? asm_sysvec_irq_work+0x16/0x20 [ 230.871817][ T4403] ? rcu_read_unlock_special+0x84/0x480 [ 230.877401][ T4403] ? __rcu_read_unlock+0xd0/0xd0 [ 230.882395][ T4403] ? rcu_lock_acquire+0x30/0x30 [ 230.887264][ T4403] ? __lock_acquire+0x7c60/0x7c60 [ 230.892350][ T4403] ? __rcu_read_unlock+0x78/0xd0 [ 230.897311][ T4403] ? __unlock_page_memcg+0xea/0x100 [ 230.902578][ T4403] ? unmap_page_range+0xfbc/0x2520 [ 230.907728][ T4403] ? uprobe_munmap+0x165/0x3f0 [ 230.912547][ T4403] ? unmap_vmas+0x11b/0x230 [ 230.917070][ T4403] ? uprobe_clear_state+0x4f/0x460 [ 230.922234][ T4403] ? unmap_page_range+0x2520/0x2520 [ 230.927446][ T4403] ? __mutex_lock_common+0x431/0x2390 [ 230.932875][ T4403] ? memset+0x1e/0x40 [ 230.936888][ T4403] ? exit_mmap+0x38f/0x5f0 [ 230.941358][ T4403] ? vm_brk+0x20/0x20 [ 230.945403][ T4403] ? uprobe_clear_state+0x2f6/0x460 [ 230.950672][ T4403] ? mm_update_next_owner+0x522/0x640 [ 230.956072][ T4403] ? __mmput+0x115/0x3b0 [ 230.960373][ T4403] ? exit_mm+0x567/0x6c0 [ 230.964636][ T4403] ? xacct_add_tsk+0x4b0/0x4b0 [ 230.969446][ T4403] ? do_exit+0x20a0/0x20a0 [ 230.973880][ T4403] ? __ia32_sys_timer_delete+0x40/0x40 [ 230.979391][ T4403] ? hrtimer_try_to_cancel+0x3c9/0x410 [ 230.984877][ T4403] ? taskstats_exit+0x439/0xab0 [ 230.989779][ T4403] ? tty_audit_exit+0x14e/0x1f0 [ 230.994666][ T4403] ? do_exit+0x5a1/0x20a0 [ 230.999063][ T4403] ? put_task_struct+0x80/0x80 [ 231.003868][ T4403] ? rcu_nmi_exit+0x6f/0xf0 [ 231.008387][ T4403] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 231.014417][ T4403] ? lock_chain_count+0x20/0x20 [ 231.019340][ T4403] ? do_group_exit+0x12e/0x300 [ 231.024151][ T4403] ? __x64_sys_exit_group+0x3b/0x40 [ 231.029387][ T4403] ? do_syscall_64+0x4c/0xa0 [ 231.033999][ T4403] ? clear_bhb_loop+0x30/0x80 [ 231.038692][ T4403] ? clear_bhb_loop+0x30/0x80 [ 231.043423][ T4403] ? entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 231.049541][ T4403]