Warning: Permanently added '10.128.1.30' (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 [ 91.899632][ T127] cfg80211: failed to load regulatory.db [ 118.777234][ T14] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 2686 jiffies s: 717 root: 0x2/. [ 118.789854][ T14] rcu: blocking rcu_node structures (internal RCU debug): [ 118.797054][ T14] Sending NMI from CPU 0 to CPUs 1: [ 118.802407][ C1] NMI backtrace for cpu 1 [ 118.802429][ C1] CPU: 1 PID: 4346 Comm: udevd Not tainted syzkaller #0 [ 118.802446][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 118.802466][ C1] RIP: 0010:lock_release+0x565/0x920 [ 118.802510][ C1] Code: 24 10 48 8b 54 24 30 e8 f9 6b 00 00 4c 8b 7c 24 18 48 c7 c7 20 29 8c 8a e8 c8 75 c6 08 b8 ff ff ff ff 65 0f c1 05 8b ff 9d 7e <83> f8 01 75 7f 43 c6 44 2f 04 00 48 c7 84 24 80 00 00 00 00 00 00 [ 118.802524][ C1] RSP: 0000:ffffc90003e97560 EFLAGS: 00000057 [ 118.802538][ C1] RAX: 0000000000000001 RBX: 84bc2774c9314fb7 RCX: 57b754b40f07a700 [ 118.802551][ C1] RDX: 0000000000000003 RSI: ffffffff8a8c2920 RDI: ffffffff8adee1a0 [ 118.802563][ C1] RBP: ffffc90003e97670 R08: ffffffff8e200f6f R09: 1ffffffff1c401ed [ 118.802575][ C1] R10: dffffc0000000000 R11: fffffbfff1c401ee R12: ffff888077ebe558 [ 118.802588][ C1] R13: dffffc0000000000 R14: ffff888077ebe4d0 R15: 1ffff920007d2eb8 [ 118.802601][ C1] FS: 00007fdc3fc33880(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 [ 118.802616][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 118.802628][ C1] CR2: 00007ffebf4951a8 CR3: 000000001e659000 CR4: 00000000003506e0 [ 118.802643][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 118.802652][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 118.802662][ C1] Call Trace: [ 118.802669][ C1] [ 118.802678][ C1] ? trace_call_bpf+0xbf/0x6b0 [ 118.802705][ C1] ? __lock_acquire+0x7bd0/0x7bd0 [ 118.802734][ C1] ? trace_call_bpf+0xbf/0x6b0 [ 118.802758][ C1] trace_call_bpf+0x5ca/0x6b0 [ 118.802780][ C1] ? trace_pelt_se_tp+0x5d/0x190 [ 118.802796][ C1] ? trace_call_bpf+0xbf/0x6b0 [ 118.802822][ C1] ? __bpf_trace_bpf_trace_printk+0x20/0x20 [ 118.802845][ C1] ? trace_call_bpf+0xbf/0x6b0 [ 118.802875][ C1] ? trace_call_bpf+0x5d6/0x6b0 [ 118.802897][ C1] ? trace_call_bpf+0xbf/0x6b0 [ 118.802923][ C1] perf_trace_run_bpf_submit+0x79/0x1c0 [ 118.802952][ C1] perf_trace_preemptirq_template+0x268/0x320 [ 118.802978][ C1] ? asm_sysvec_irq_work+0x16/0x20 [ 118.803010][ C1] ? trace_event_raw_event_preemptirq_template+0x1f0/0x1f0 [ 118.803033][ C1] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 118.803059][ C1] ? lock_chain_count+0x20/0x20 [ 118.803084][ C1] ? asm_sysvec_irq_work+0x16/0x20 [ 118.803110][ C1] trace_irq_enable_rcuidle+0xd3/0x140 [ 118.803135][ C1] trace_hardirqs_on+0x24/0x40 [ 118.803156][ C1] asm_sysvec_irq_work+0x16/0x20 [ 118.803181][ C1] RIP: 0010:rcu_read_unlock_special+0x7f/0x510 [ 118.803200][ C1] 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 [ 118.803213][ C1] RSP: 0000:ffffc90003e979a0 EFLAGS: 00000206 [ 118.803226][ C1] RAX: 57b754b40f07a700 RBX: 1ffff920007d2f3c RCX: 57b754b40f07a700 [ 118.803238][ C1] RDX: dffffc0000000000 RSI: ffffffff8a8c17a0 RDI: ffffffff8adee1a0 [ 118.803251][ C1] RBP: ffffc90003e97a90 R08: ffffffff90af2247 R09: 1ffffffff215e448 [ 118.803263][ C1] R10: dffffc0000000000 R11: fffffbfff215e449 R12: 0000000000000246 [ 118.803275][ C1] R13: dffffc0000000000 R14: ffff8880b8f3bb00 R15: 0000000000000002 [ 118.803296][ C1] ? asm_sysvec_call_function_single+0x16/0x20 [ 118.803326][ C1] ? __rcu_read_unlock+0xd0/0xd0 [ 118.803345][ C1] ? page_table_check_set+0xab/0x6d0 [ 118.803374][ C1] __rcu_read_unlock+0x78/0xd0 [ 118.803391][ C1] page_ext_put+0x91/0xb0 [ 118.803414][ C1] wp_page_copy+0x13a0/0x1660 [ 118.803443][ C1] ? fault_dirty_shared_page+0x3c0/0x3c0 [ 118.803461][ C1] ? do_raw_spin_unlock+0x11d/0x230 [ 118.803479][ C1] ? _raw_spin_unlock+0x24/0x40 [ 118.803501][ C1] ? do_wp_page+0xb8f/0x16b0 [ 118.803521][ C1] handle_mm_fault+0x1b1b/0x3d40 [ 118.803538][ C1] ? mt_find+0x157/0x830 [ 118.803573][ C1] ? numa_migrate_prep+0x250/0x250 [ 118.803595][ C1] ? lock_chain_count+0x20/0x20 [ 118.803621][ C1] ? lock_mm_and_find_vma+0xae/0x2f0 [ 118.803639][ C1] do_user_addr_fault+0x58e/0xb20 [ 118.803670][ C1] exc_page_fault+0x60/0x100 [ 118.803694][ C1] asm_exc_page_fault+0x22/0x30 [ 118.803719][ C1] RIP: 0033:0x559efaebb40a [ 118.803738][ C1] Code: 0f 85 2e 02 00 00 48 81 c4 38 44 00 00 5b 5d 41 5c 41 5d 41 5e 41 5f c3 0f 1f 84 00 00 00 00 00 c6 87 b8 01 00 00 01 48 89 fd b1 11 00 00 48 89 c1 48 85 c0 0f 84 d2 01 00 00 4c 8d 74 24 20 [ 118.803751][ C1] RSP: 002b:00007ffebf4951b0 EFLAGS: 00010246 [ 118.803764][ C1] RAX: 0000000000000000 RBX: 0000559f36f1a410 RCX: 0000000000000000 [ 118.803774][ C1] RDX: 0000000000000000 RSI: 0000559efaec7663 RDI: 0000559f36f2c690 [ 118.803785][ C1] RBP: 0000559f36f2c690 R08: 0000559f36f15140 R09: 0000559efaede140 [ 118.803797][ C1] R10: 0000003333496d62 R11: 00000000000040be R12: 000000000aba9500 [ 118.803808][ C1] R13: 0000000003938700 R14: 0000559efaede100 R15: 0000559efaede140 [ 118.803829][ C1] [ 118.803835][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.435 msecs