Warning: Permanently added '10.128.0.250' (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 [ 132.681501][ T127] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 2629 jiffies s: 901 root: 0x1/. [ 132.693786][ T127] rcu: blocking rcu_node structures (internal RCU debug): [ 132.700946][ T127] Sending NMI from CPU 1 to CPUs 0: [ 132.706246][ C0] NMI backtrace for cpu 0 [ 132.706263][ C0] CPU: 0 PID: 4397 Comm: syz-executor319 Not tainted syzkaller #0 [ 132.706278][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 132.706293][ C0] RIP: 0010:lockdep_hardirqs_on_prepare+0x3b0/0x7c0 [ 132.706331][ C0] Code: 00 48 ba 00 00 00 00 00 fc ff df 85 c0 0f 84 a3 00 00 00 41 0f b6 04 16 84 c0 75 6c 49 ff c5 48 63 06 49 83 c7 28 49 83 c4 28 <49> 39 c5 7c 8c e9 82 00 00 00 48 c7 c7 e0 b9 9f 8c 4c 89 ee e8 17 [ 132.706342][ C0] RSP: 0018:ffffc90003f57500 EFLAGS: 00000086 [ 132.706354][ C0] RAX: 0000000000000003 RBX: ffff88807a633c00 RCX: ffffffff8164ad54 [ 132.706364][ C0] RDX: dffffc0000000000 RSI: ffff88807a6346d8 RDI: ffffffff90af2240 [ 132.706374][ C0] RBP: ffffc90003f575c0 R08: ffffffff90af2247 R09: 1ffffffff215e448 [ 132.706384][ C0] R10: dffffc0000000000 R11: fffffbfff215e449 R12: ffff88807a634778 [ 132.706394][ C0] R13: 0000000000000003 R14: 1ffff1100f4c68db R15: ffff88807a634758 [ 132.706403][ C0] FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 [ 132.706415][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 132.706425][ C0] CR2: 00007f0999c1eb3c CR3: 0000000025f49000 CR4: 00000000003506f0 [ 132.706438][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 132.706445][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 132.706454][ C0] Call Trace: [ 132.706460][ C0] [ 132.706467][ C0] ? lock_chain_count+0x20/0x20 [ 132.706486][ C0] ? asm_sysvec_irq_work+0x16/0x20 [ 132.706509][ C0] ? asm_sysvec_irq_work+0x16/0x20 [ 132.706527][ C0] ? trace_irq_enable_rcuidle+0xe6/0x140 [ 132.706545][ C0] trace_hardirqs_on+0x34/0x40 [ 132.706561][ C0] asm_sysvec_irq_work+0x16/0x20 [ 132.706580][ C0] RIP: 0010:rcu_read_unlock_special+0x7f/0x510 [ 132.706595][ 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 e2 82 95 7e 41 f7 c6 00 00 f0 00 74 40 <48> c7 44 24 40 0e 36 e0 45 4a c7 04 2b 00 00 00 00 42 c7 44 2b 08 [ 132.706605][ C0] RSP: 0018:ffffc90003f57680 EFLAGS: 00000206 [ 132.706615][ C0] RAX: 6641b90e4e4d5b00 RBX: 1ffff920007eaed8 RCX: 6641b90e4e4d5b00 [ 132.706625][ C0] RDX: dffffc0000000000 RSI: ffffffff8a8c17a0 RDI: ffffffff8adee1a0 [ 132.706641][ C0] RBP: ffffc90003f57780 R08: ffffffff90af2247 R09: 1ffffffff215e448 [ 132.706651][ C0] R10: dffffc0000000000 R11: fffffbfff215e449 R12: 0000000000000246 [ 132.706660][ C0] R13: dffffc0000000000 R14: ffff8880b8e3bb00 R15: 0000000000000001 [ 132.706676][ C0] ? asm_sysvec_call_function_single+0x16/0x20 [ 132.706696][ C0] ? asm_sysvec_call_function_single+0x16/0x20 [ 132.706715][ C0] ? __rcu_read_unlock+0xd0/0xd0 [ 132.706733][ C0] __rcu_read_unlock+0x78/0xd0 [ 132.706746][ C0] page_ext_put+0x91/0xb0 [ 132.706763][ C0] unmap_page_range+0x1905/0x25b0 [ 132.706792][ C0] unmap_vmas+0x260/0x390 [ 132.706810][ C0] ? unmap_vmas+0x1bd/0x390 [ 132.706828][ C0] ? unmap_page_range+0x25b0/0x25b0 [ 132.706847][ C0] ? __lock_acquire+0x7bd0/0x7bd0 [ 132.706871][ C0] exit_mmap+0x20d/0x970 [ 132.706888][ C0] ? vm_brk+0x20/0x20 [ 132.706903][ C0] ? __mutex_unlock_slowpath+0x1b0/0x6c0 [ 132.706921][ C0] ? exit_mm+0x23d/0x350 [ 132.706943][ C0] ? uprobe_clear_state+0x274/0x290 [ 132.706963][ C0] __mmput+0x118/0x3a0 [ 132.706977][ C0] exit_mm+0x24d/0x350 [ 132.706995][ C0] ? do_exit+0x2570/0x2570 [ 132.707012][ C0] ? taskstats_exit+0x355/0x9e0 [ 132.707032][ C0] do_exit+0x958/0x2570 [ 132.707049][ C0] ? perf_trace_run_bpf_submit+0x124/0x1c0 [ 132.707071][ C0] ? put_task_struct+0x80/0x80 [ 132.707088][ C0] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 132.707106][ C0] ? lock_chain_count+0x20/0x20 [ 132.707123][ C0] ? _raw_spin_lock_irq+0xb7/0xf0 [ 132.707140][ C0] ? _raw_spin_unlock_irq+0x1f/0x40 [ 132.707156][ C0] ? lockdep_hardirqs_on+0x94/0x140 [ 132.707173][ C0] do_group_exit+0x229/0x2e0 [ 132.707192][ C0] __x64_sys_exit_group+0x3b/0x40 [ 132.707210][ C0] do_syscall_64+0x4c/0xa0 [ 132.707223][ C0] ? clear_bhb_loop+0x60/0xb0 [ 132.707234][ C0] ? clear_bhb_loop+0x60/0xb0 [ 132.707247][ C0] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 132.707265][ C0] RIP: 0033:0x7f0999bb6045 [ 132.707280][ C0] Code: Unable to access opcode bytes at 0x7f0999bb601b. [ 132.707286][ C0] RSP: 002b:00007fff95577cf8 EFLAGS: 00000202 ORIG_RAX: 00000000000000e7 [ 132.707299][ C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f0999bb6045 [ 132.707309][ C0] RDX: 00000000000000e7 RSI: ffffffffffffffd8 RDI: 0000000000000000 [ 132.707317][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 132.707325][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000 [ 132.707333][ C0] R13: 00007f0999c4f108 R14: 00007f0999c513a8 R15: 00007f0999c513c0 [ 132.707348][ C0]