Warning: Permanently added '10.128.1.75' (ED25519) to the list of known hosts. executing program executing program executing program executing program executing program [ 180.977632][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 180.984855][ C1] rcu: 0-....: (0 ticks this GP) idle=69d/1/0x4000000000000002 softirq=5692/5693 fqs=2099 [ 180.995574][ C1] (detected by 1, t=10502 jiffies, g=5801, q=25) [ 181.002030][ C1] Sending NMI from CPU 1 to CPUs 0: [ 181.007268][ C0] NMI backtrace for cpu 0 [ 181.007278][ C0] CPU: 0 PID: 4211 Comm: syz-executor227 Not tainted syzkaller #0 [ 181.007293][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 181.007301][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x58/0x60 [ 181.007334][ C0] Code: 10 16 00 00 83 fa 02 75 21 48 8b 91 18 16 00 00 48 8b 32 48 8d 7e 01 8b 89 14 16 00 00 48 39 cf 73 08 48 89 44 f2 08 48 89 3a 0f 1f 80 00 00 00 00 48 8b 04 24 65 48 8b 0d 64 26 89 7e 65 8b [ 181.007346][ C0] RSP: 0018:ffffc90002f1f330 EFLAGS: 00000093 [ 181.007360][ C0] RAX: ffffffff817f771f RBX: 0000000000000000 RCX: ffff8880789c8000 [ 181.007371][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002 [ 181.007378][ C0] RBP: 0000000000000000 R08: ffff8880b903b30b R09: 1ffff11017207661 [ 181.007388][ C0] R10: dffffc0000000000 R11: ffffed1017207662 R12: 0000000000000000 [ 181.007397][ C0] R13: 0000000000000000 R14: ffffffff89e00e46 R15: ffff88802aa8c318 [ 181.007407][ C0] FS: 0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 [ 181.007419][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 181.007429][ C0] CR2: 000055557dbb5328 CR3: 000000001fff0000 CR4: 00000000003506f0 [ 181.007443][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 181.007451][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 181.007460][ C0] Call Trace: [ 181.007466][ C0] [ 181.007471][ C0] trace_irq_enable_rcuidle+0x14f/0x180 [ 181.007499][ C0] trace_hardirqs_on+0x57/0x80 [ 181.007513][ C0] asm_sysvec_irq_work+0x16/0x20 [ 181.007534][ C0] RIP: 0010:rcu_read_unlock_special+0x7f/0x4a0 [ 181.007549][ 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 f2 cc 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 [ 181.007560][ C0] RSP: 0018:ffffc90002f1f420 EFLAGS: 00000206 [ 181.007570][ C0] RAX: 5e6d3631676b4e00 RBX: 1ffff920005e3e88 RCX: 5e6d3631676b4e00 [ 181.007580][ C0] RDX: dffffc0000000000 RSI: ffffffff8a2b3180 RDI: ffffffff8a7a09c0 [ 181.007590][ C0] RBP: ffffc90002f1f4f0 R08: ffffffff901d80c7 R09: 1ffffffff203b018 [ 181.007600][ C0] R10: dffffc0000000000 R11: fffffbfff203b019 R12: ffffffff8c323800 [ 181.007609][ C0] R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000001 [ 181.007627][ C0] ? __rcu_read_unlock+0xd0/0xd0 [ 181.007640][ C0] ? rcu_lock_acquire+0x30/0x30 [ 181.007658][ C0] __rcu_read_unlock+0x78/0xd0 [ 181.007672][ C0] __unlock_page_memcg+0xea/0x100 [ 181.007687][ C0] unmap_page_range+0xf96/0x2500 [ 181.007714][ C0] unmap_vmas+0x131/0x250 [ 181.007728][ C0] ? unmap_page_range+0x2500/0x2500 [ 181.007739][ C0] ? __mutex_lock_common+0x465/0x2400 [ 181.007768][ C0] exit_mmap+0x3b9/0x640 [ 181.007784][ C0] ? vm_brk+0x20/0x20 [ 181.007803][ C0] ? uprobe_clear_state+0x2f6/0x460 [ 181.007817][ C0] ? mm_update_next_owner+0x522/0x640 [ 181.007833][ C0] __mmput+0x115/0x3b0 [ 181.007847][ C0] exit_mm+0x5f7/0x770 [ 181.007862][ C0] ? do_exit+0x20c0/0x20c0 [ 181.007874][ C0] ? taskstats_exit+0x431/0xac0 [ 181.007890][ C0] ? tty_audit_exit+0x14e/0x1f0 [ 181.007908][ C0] do_exit+0x5a9/0x20c0 [ 181.007921][ C0] ? rcu_nmi_exit+0x6f/0xf0 [ 181.007937][ C0] ? put_task_struct+0x80/0x80 [ 181.007949][ C0] ? lockdep_hardirqs_on_prepare+0x409/0x770 [ 181.007968][ C0] ? lock_chain_count+0x20/0x20 [ 181.007984][ C0] ? _raw_spin_lock_irq+0xb7/0xf0 [ 181.007999][ C0] do_group_exit+0x12e/0x300 [ 181.008012][ C0] ? lockdep_hardirqs_on+0x94/0x140 [ 181.008027][ C0] get_signal+0x6d6/0x12d0 [ 181.008049][ C0] arch_do_signal_or_restart+0xe7/0x12c0 [ 181.008070][ C0] ? perf_trace_run_bpf_submit+0xf3/0x1c0 [ 181.008087][ C0] ? get_sigframe_size+0x10/0x10 [ 181.008102][ C0] ? rcu_nmi_exit+0x6f/0xf0 [ 181.008123][ C0] ? exit_to_user_mode_loop+0x3b/0x130 [ 181.008138][ C0] exit_to_user_mode_loop+0x9e/0x130 [ 181.008168][ C0] exit_to_user_mode_prepare+0xee/0x180 [ 181.008182][ C0] syscall_exit_to_user_mode+0x16/0x40 [ 181.008198][ C0] do_syscall_64+0x58/0xa0 [ 181.008211][ C0] ? clear_bhb_loop+0x30/0x80 [ 181.008224][ C0] ? clear_bhb_loop+0x30/0x80 [ 181.008238][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 181.008253][ C0] RIP: 0033:0x7fba377b8019 [ 181.008264][ C0] Code: Unable to access opcode bytes at RIP 0x7fba377b7fef. [ 181.008270][ C0] RSP: 002b:00007fba37798238 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 181.008284][ C0] RAX: 0000000000000001 RBX: 00007fba37868b28 RCX: 00007fba377b8019 [ 181.008293][ C0] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fba37868b2c [ 181.008302][ C0] RBP: 00007fba37868b20 R08: 00007fba37798cdc R09: 00007fba37798cdc [ 181.008311][ C0] R10: 00007fba37798cdc R11: 0000000000000246 R12: 00002000000003c0 [ 181.008320][ C0] R13: 0000000000000000 R14: 00007ffe40fbc9c0 R15: 00007ffe40fbcaa8 [ 181.008336][ C0] [ 181.008342][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.073 msecs [ 184.147718][ T1107] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-... } 10818 jiffies s: 465 root: 0x1/. [ 184.160115][ T1107] rcu: blocking rcu_node structures (internal RCU debug): [ 184.167345][ T1107] Task dump for CPU 0: [ 184.171478][ T1107] task:syz-executor227 state:R running task stack:26000 pid: 4211 ppid: 4199 flags:0x0000400a [ 184.182409][ T1107] Call Trace: [ 184.185711][ T1107] [ 184.188691][ T1107] ? perf_trace_preemptirq_template+0x2aa/0x360 [ 184.194961][ T1107] ? asm_sysvec_irq_work+0x16/0x20 [ 184.200194][ T1107] ? trace_event_raw_event_preemptirq_template+0x290/0x290 [ 184.207419][ T1107] ? lockdep_hardirqs_on_prepare+0x409/0x770 [ 184.213628][ T1107] ? lock_chain_count+0x20/0x20 [ 184.218529][ T1107] ? trace_hardirqs_off_finish+0xca/0x1f0 [ 184.224273][ T1107] ? trace_irq_enable_rcuidle+0x108/0x180 [ 184.230049][ T1107] ? trace_hardirqs_on+0x57/0x80 [ 184.235011][ T1107] ? asm_sysvec_irq_work+0x16/0x20 [ 184.240186][ T1107] ? rcu_read_unlock_special+0x7f/0x4a0 [ 184.245760][ T1107] ? __rcu_read_unlock+0xd0/0xd0 [ 184.250869][ T1107] ? rcu_lock_acquire+0x30/0x30 [ 184.255757][ T1107] ? __rcu_read_unlock+0x78/0xd0 [ 184.260740][ T1107] ? __unlock_page_memcg+0xea/0x100 [ 184.265966][ T1107] ? unmap_page_range+0xf96/0x2500 [ 184.271165][ T1107] ? unmap_vmas+0x131/0x250 [ 184.275716][ T1107] ? unmap_page_range+0x2500/0x2500 [ 184.281130][ T1107] ? __mutex_lock_common+0x465/0x2400 [ 184.286540][ T1107] ? exit_mmap+0x3b9/0x640 [ 184.291188][ T1107] ? vm_brk+0x20/0x20 [ 184.295212][ T1107] ? uprobe_clear_state+0x2f6/0x460 [ 184.300479][ T1107] ? mm_update_next_owner+0x522/0x640 [ 184.305884][ T1107] ? __mmput+0x115/0x3b0 [ 184.310204][ T1107] ? exit_mm+0x5f7/0x770 [ 184.314478][ T1107] ? do_exit+0x20c0/0x20c0 [ 184.319044][ T1107] ? taskstats_exit+0x431/0xac0 [ 184.323920][ T1107] ? tty_audit_exit+0x14e/0x1f0 [ 184.328815][ T1107] ? do_exit+0x5a9/0x20c0 [ 184.333165][ T1107] ? rcu_nmi_exit+0x6f/0xf0 [ 184.337711][ T1107] ? put_task_struct+0x80/0x80 [ 184.342493][ T1107] ? lockdep_hardirqs_on_prepare+0x409/0x770 [ 184.348567][ T1107] ? lock_chain_count+0x20/0x20 [ 184.353444][ T1107] ? _raw_spin_lock_irq+0xb7/0xf0 [ 184.358512][ T1107] ? do_group_exit+0x12e/0x300 [ 184.363294][ T1107] ? lockdep_hardirqs_on+0x94/0x140 [ 184.368544][ T1107] ? get_signal+0x6d6/0x12d0 [ 184.373172][ T1107] ? arch_do_signal_or_restart+0xe7/0x12c0 [ 184.379035][ T1107] ? perf_trace_run_bpf_submit+0xf3/0x1c0 [ 184.384783][ T1107] ? get_sigframe_size+0x10/0x10 [ 184.389850][ T1107] ? rcu_nmi_exit+0x6f/0xf0 [ 184.394390][ T1107] ? exit_to_user_mode_loop+0x3b/0x130 [ 184.399963][ T1107] ? exit_to_user_mode_loop+0x9e/0x130 [ 184.405473][ T1107] ? exit_to_user_mode_prepare+0xee/0x180 [ 184.411352][ T1107] ? syscall_exit_to_user_mode+0x16/0x40 [ 184.417036][ T1107] ? do_syscall_64+0x58/0xa0 [ 184.421669][ T1107] ? clear_bhb_loop+0x30/0x80 [ 184.426364][ T1107] ? clear_bhb_loop+0x30/0x80 [ 184.431094][ T1107] ? entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 184.437195][ T1107]