Warning: Permanently added '10.128.0.34' (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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 339.514886][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 339.524673][ C1] rcu: 0-....: (1 GPs behind) idle=3a7/1/0x4000000000000002 softirq=7936/7937 fqs=5246 [ 339.539152][ C1] (detected by 1, t=10502 jiffies, g=11869, q=399883) [ 339.548260][ C1] Sending NMI from CPU 1 to CPUs 0: [ 339.555041][ C0] NMI backtrace for cpu 0 [ 339.555068][ C0] CPU: 0 PID: 5744 Comm: syz-executor676 Not tainted syzkaller #0 [ 339.555086][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 339.555103][ C0] RIP: 0010:__perf_event_header__init_id+0x36b/0x4f0 [ 339.555148][ C0] Code: 00 4d 8b 27 4d 8d 7d 58 4c 89 f8 48 c1 e8 03 80 3c 28 00 74 08 4c 89 ff e8 e2 9e 26 00 4d 89 27 eb 05 e8 58 59 e1 ff 48 89 de <48> 81 e6 00 02 00 00 31 ff e8 27 5d e1 ff 48 89 d8 48 25 00 02 00 [ 339.555162][ C0] RSP: 0018:ffffc9000446ef58 EFLAGS: 00000093 [ 339.555177][ C0] RAX: ffffffff8197ca08 RBX: 0000000000000000 RCX: ffff888079f89dc0 [ 339.555189][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 339.555198][ C0] RBP: dffffc0000000000 R08: ffffc9000446f117 R09: ffffc9000446f0e0 [ 339.555210][ C0] R10: dffffc0000000000 R11: fffff5200088de23 R12: ffff8880755e78ba [ 339.555222][ C0] R13: ffffc9000446f300 R14: ffff8880755e7760 R15: ffffc9000446f146 [ 339.555234][ C0] FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 [ 339.555247][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 339.555258][ C0] CR2: 00007f6a90493cbc CR3: 000000000ce8e000 CR4: 00000000003506f0 [ 339.555273][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 339.555292][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 339.555301][ C0] Call Trace: [ 339.555308][ C0] [ 339.555315][ C0] ? kvm_is_in_guest+0x24/0x30 [ 339.555338][ C0] perf_prepare_sample+0x158/0x1cb0 [ 339.555358][ C0] ? __lock_acquire+0x7d40/0x7d40 [ 339.555379][ C0] ? perf_callchain+0x190/0x190 [ 339.555394][ C0] ? rcu_lock_release+0x9/0x20 [ 339.555415][ C0] perf_event_output_forward+0x185/0x2e0 [ 339.555433][ C0] ? perf_get_page_size+0x430/0x430 [ 339.555451][ C0] ? perf_event_output_forward+0x261/0x2e0 [ 339.555468][ C0] ? perf_get_page_size+0x430/0x430 [ 339.555485][ C0] ? __perf_event_account_interrupt+0x187/0x280 [ 339.555503][ C0] __perf_event_overflow+0x35f/0x550 [ 339.555523][ C0] perf_swevent_event+0x4b8/0x540 [ 339.555542][ C0] perf_tp_event+0x324/0xbe0 [ 339.555560][ C0] ? perf_trace_run_bpf_submit+0x1c0/0x1c0 [ 339.555578][ C0] ? perf_tp_event+0xa7e/0xbe0 [ 339.555611][ C0] ? update_load_avg+0xc64/0x11c0 [ 339.555632][ C0] perf_trace_run_bpf_submit+0xf3/0x1c0 [ 339.555651][ C0] perf_trace_preemptirq_template+0x2aa/0x360 [ 339.555672][ C0] ? asm_sysvec_irq_work+0x16/0x20 [ 339.555695][ C0] ? trace_event_raw_event_preemptirq_template+0x290/0x290 [ 339.555713][ C0] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 339.555733][ C0] ? lock_chain_count+0x20/0x20 [ 339.555753][ C0] ? asm_sysvec_irq_work+0x16/0x20 [ 339.555769][ C0] trace_irq_enable_rcuidle+0x108/0x180 [ 339.555788][ C0] trace_hardirqs_on+0x57/0x80 [ 339.555804][ C0] asm_sysvec_irq_work+0x16/0x20 [ 339.555821][ C0] RIP: 0010:rcu_read_unlock_special+0x7f/0x4a0 [ 339.555847][ C0] Code: eb 03 48 b8 f1 f1 f1 f1 f8 f2 f2 f2 4a 89 04 2b 42 c7 44 2b 08 f8 f3 f3 f3 65 44 8b 35 82 fc 9c 7e 41 f7 c6 00 00 f0 00 74 40 <48> c7 44 24 20 0e 36 e0 45 4a c7 04 2b 00 00 00 00 42 c7 44 2b 08 [ 339.555860][ C0] RSP: 0018:ffffc9000446f720 EFLAGS: 00000206 [ 339.555872][ C0] RAX: d5e187c4cbcd3f00 RBX: 1ffff9200088dee8 RCX: d5e187c4cbcd3f00 [ 339.555883][ C0] RDX: dffffc0000000000 RSI: ffffffff8a2b2b60 RDI: ffffffff8a7a4bc0 [ 339.555895][ C0] RBP: ffffc9000446f7f0 R08: ffffffff910460c7 R09: 1ffffffff2208c18 [ 339.555906][ C0] R10: dffffc0000000000 R11: fffffbfff2208c19 R12: ffffffff8d123400 [ 339.555918][ C0] R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000001 [ 339.555938][ C0] ? __rcu_read_unlock+0xd0/0xd0 [ 339.555954][ C0] ? rcu_lock_acquire+0x30/0x30 [ 339.555972][ C0] ? __lock_acquire+0x7d40/0x7d40 [ 339.555992][ C0] __rcu_read_unlock+0x78/0xd0 [ 339.556008][ C0] __unlock_page_memcg+0xea/0x100 [ 339.556025][ C0] unmap_page_range+0xee4/0x2410 [ 339.556057][ C0] unmap_vmas+0x131/0x250 [ 339.556073][ C0] ? unmap_page_range+0x2410/0x2410 [ 339.556087][ C0] ? __mutex_lock_common+0x435/0x2400 [ 339.556114][ C0] exit_mmap+0x3b9/0x640 [ 339.556132][ C0] ? vm_brk+0x20/0x20 [ 339.556155][ C0] ? uprobe_clear_state+0x2f6/0x460 [ 339.556175][ C0] __mmput+0x115/0x390 [ 339.556192][ C0] exit_mm+0x632/0x7b0 [ 339.556206][ C0] ? perf_pmu_migrate_context+0xb70/0xb70 [ 339.556227][ C0] ? do_exit+0x2110/0x2110 [ 339.556240][ C0] ? __ia32_sys_timer_delete+0x40/0x40 [ 339.556258][ C0] ? hrtimer_try_to_cancel+0x3d6/0x420 [ 339.556280][ C0] ? tty_audit_exit+0x149/0x1f0 [ 339.556299][ C0] do_exit+0x5b8/0x2110 [ 339.556317][ C0] ? put_task_struct+0x80/0x80 [ 339.556330][ C0] ? rcu_nmi_exit+0x6f/0xf0 [ 339.556353][ C0] ? lock_chain_count+0x20/0x20 [ 339.556373][ C0] do_group_exit+0x12c/0x2f0 [ 339.556390][ C0] __x64_sys_exit_group+0x3b/0x40 [ 339.556404][ C0] do_syscall_64+0x4c/0xa0 [ 339.556419][ C0] ? clear_bhb_loop+0x30/0x80 [ 339.556433][ C0] ? clear_bhb_loop+0x30/0x80 [ 339.556450][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 339.556466][ C0] RIP: 0033:0x7f6a9042bec5 [ 339.556485][ C0] Code: Unable to access opcode bytes at RIP 0x7f6a9042be9b. [ 339.556492][ C0] RSP: 002b:00007ffd728aec28 EFLAGS: 00000206 ORIG_RAX: 00000000000000e7 [ 339.556507][ C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f6a9042bec5 [ 339.556518][ C0] RDX: 00000000000000e7 RSI: ffffffffffffffd8 RDI: 0000000000000000 [ 339.556528][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffd728aecc0 [ 339.556538][ C0] R10: ffffffffffffffff R11: 0000000000000206 R12: 0000000000000000 [ 339.556548][ C0] R13: 00007f6a904c4100 R14: 00007f6a904c6408 R15: 00007f6a904c6420 [ 339.556567][ C0] [ 342.664980][ T23] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-... } 10824 jiffies s: 1005 root: 0x1/. [ 342.705036][ T23] rcu: blocking rcu_node structures (internal RCU debug): [ 342.749265][ T23] Task dump for CPU 0: [ 342.757438][ T23] task:syz-executor676 state:R running task stack:26480 pid: 5744 ppid: 4225 flags:0x0000400a [ 342.772751][ T23] Call Trace: [ 342.776625][ T23] [ 342.780478][ T23] ? perf_trace_preemptirq_template+0x2aa/0x360 [ 342.788294][ T23] ? asm_sysvec_irq_work+0x16/0x20 [ 342.797228][ T23] ? trace_event_raw_event_preemptirq_template+0x290/0x290 [ 342.806228][ T23] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 342.815117][ T23] ? lock_chain_count+0x20/0x20 [ 342.821377][ T23] ? asm_sysvec_irq_work+0x16/0x20 [ 342.827318][ T23] ? trace_irq_enable_rcuidle+0x108/0x180 [ 342.835194][ T23] ? trace_hardirqs_on+0x57/0x80 [ 342.842295][ T23] ? asm_sysvec_irq_work+0x16/0x20 [ 342.848960][ T23] ? rcu_read_unlock_special+0x7f/0x4a0 [ 342.856319][ T23] ? __rcu_read_unlock+0xd0/0xd0 [ 342.862521][ T23] ? rcu_lock_acquire+0x30/0x30 [ 342.869346][ T23] ? __lock_acquire+0x7d40/0x7d40 [ 342.875273][ T23] ? __rcu_read_unlock+0x78/0xd0 [ 342.881331][ T23] ? __unlock_page_memcg+0xea/0x100 [ 342.888717][ T23] ? unmap_page_range+0xee4/0x2410 [ 342.897424][ T23] ? unmap_vmas+0x131/0x250 [ 342.902355][ T23] ? unmap_page_range+0x2410/0x2410 [ 342.909337][ T23] ? __mutex_lock_common+0x435/0x2400 [ 342.918618][ T23] ? exit_mmap+0x3b9/0x640 [ 342.923889][ T23] ? vm_brk+0x20/0x20 [ 342.930017][ T23] ? uprobe_clear_state+0x2f6/0x460 [ 342.936699][ T23] ? __mmput+0x115/0x390 [ 342.941351][ T23] ? exit_mm+0x632/0x7b0 [ 342.946662][ T23] ? perf_pmu_migrate_context+0xb70/0xb70 [ 342.953308][ T23] ? do_exit+0x2110/0x2110 [ 342.958153][ T23] ? __ia32_sys_timer_delete+0x40/0x40 [ 342.965846][ T23] ? hrtimer_try_to_cancel+0x3d6/0x420 [ 342.973659][ T23] ? tty_audit_exit+0x149/0x1f0 [ 342.979203][ T23] ? do_exit+0x5b8/0x2110 [ 342.985330][ T23] ? put_task_struct+0x80/0x80 [ 342.991484][ T23] ? rcu_nmi_exit+0x6f/0xf0 [ 342.997784][ T23] ? lock_chain_count+0x20/0x20 [ 343.003261][ T23] ? do_group_exit+0x12c/0x2f0 [ 343.008750][ T23] ? __x64_sys_exit_group+0x3b/0x40 [ 343.016580][ T23] ? do_syscall_64+0x4c/0xa0 [ 343.023554][ T23] ? clear_bhb_loop+0x30/0x80 [ 343.030710][ T23] ? clear_bhb_loop+0x30/0x80 [ 343.037680][ T23] ? entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 343.045650][ T23]