Warning: Permanently added '10.128.0.82' (ED25519) to the list of known hosts. Setting up swapspace version 1, size = 127995904 bytes [ 73.619217][ T4180] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 73.955600][ T1230] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 73.964211][ T1230] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 73.988913][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 74.012225][ T155] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 74.023199][ T1230] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 74.033192][ T154] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 74.041918][ T155] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 74.050249][ T154] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 74.054768][ T1230] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 74.065658][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 74.073983][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 74.082679][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 74.114801][ T154] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 74.129554][ T154] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 74.140519][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 74.150468][ T1230] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 74.159231][ T1230] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 74.170014][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 74.199349][ T1230] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 executing program [ 74.210569][ T1230] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 74.227569][ T1230] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 74.255186][ T1230] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 74.284240][ T1230] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 74.318655][ T155] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 179.326520][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 179.333943][ C1] (detected by 1, t=10502 jiffies, g=6473, q=330) [ 179.340484][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4294954992-4294944490), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 179.353879][ C1] rcu: rcu_preempt kthread starved for 10502 jiffies! g6473 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 179.365200][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 179.375196][ C1] rcu: RCU grace-period kthread stack dump: [ 179.381213][ C1] task:rcu_preempt state:R running task stack:28016 pid: 15 ppid: 2 flags:0x00004000 [ 179.392561][ C1] Call Trace: [ 179.395988][ C1] [ 179.399104][ C1] __schedule+0x11ef/0x43c0 [ 179.403776][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 179.409119][ C1] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 179.415097][ C1] ? _raw_spin_unlock+0x40/0x40 [ 179.420172][ C1] ? release_firmware_map_entry+0x190/0x190 [ 179.426279][ C1] ? __mod_timer+0x91e/0xd00 [ 179.430912][ C1] schedule+0x11b/0x1e0 [ 179.435113][ C1] schedule_timeout+0x184/0x2d0 [ 179.440245][ C1] ? console_conditional_schedule+0x40/0x40 [ 179.446176][ C1] ? update_process_times+0x200/0x200 [ 179.451745][ C1] ? prepare_to_swait_event+0x331/0x350 [ 179.457350][ C1] rcu_gp_fqs_loop+0x2be/0x11d0 [ 179.462574][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 179.467966][ C1] ? rcu_gp_init+0xd6c/0x10f0 [ 179.473152][ C1] ? rcu_gp_init+0x10f0/0x10f0 [ 179.477979][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 179.483230][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 179.488603][ C1] rcu_gp_kthread+0x9b/0x370 [ 179.493430][ C1] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 179.499647][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 179.504888][ C1] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 179.510817][ C1] ? __kthread_parkme+0x157/0x1b0 [ 179.516026][ C1] kthread+0x436/0x520 [ 179.520157][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 179.525324][ C1] ? kthread_blkcg+0xd0/0xd0 [ 179.530128][ C1] ret_from_fork+0x1f/0x30 [ 179.534634][ C1] [ 179.537703][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 179.544052][ C1] Sending NMI from CPU 1 to CPUs 0: [ 179.549287][ C0] NMI backtrace for cpu 0 [ 179.549319][ C0] CPU: 0 PID: 4212 Comm: syz-executor393 Not tainted syzkaller #0 [ 179.549336][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 179.549348][ C0] RIP: 0010:__lock_acquire+0xd59/0x7d10 [ 179.549377][ C0] Code: 61 00 00 83 3b 00 74 22 4c 89 ef 4c 89 fe ba 06 00 00 00 e8 59 a6 00 00 49 b8 00 00 00 00 00 fc ff df 85 c0 0f 84 06 4d 00 00 <4c> 89 ef 4c 89 fe ba 08 00 00 00 e8 37 a6 00 00 85 c0 0f 84 dc 4c [ 179.549390][ C0] RSP: 0018:ffffc900000078c0 EFLAGS: 00000046 [ 179.549405][ C0] RAX: 0000000000000001 RBX: 0000000000000001 RCX: 0000000000000002 [ 179.549415][ C0] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff901d21a0 [ 179.549425][ C0] RBP: ffffc90000007b10 R08: dffffc0000000000 R09: 1ffffffff203a434 [ 179.549437][ C0] R10: dffffc0000000000 R11: fffffbfff203a435 R12: ffff8880796f6478 [ 179.549449][ C0] R13: ffff8880796f5940 R14: ffffffff8fbae278 R15: ffff8880796f6458 [ 179.549462][ C0] FS: 000055557a919480(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 [ 179.549481][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 179.549492][ C0] CR2: 0000200000000058 CR3: 0000000024a7e000 CR4: 00000000003506f0 [ 179.549506][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 179.549516][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 179.549526][ C0] Call Trace: [ 179.549533][ C0] [ 179.549546][ C0] ? mark_lock+0x94/0x320 [ 179.549560][ C0] ? verify_lock_unused+0x140/0x140 [ 179.549579][ C0] ? verify_lock_unused+0x140/0x140 [ 179.549596][ C0] ? __lock_acquire+0x13bc/0x7d10 [ 179.549614][ C0] ? verify_lock_unused+0x140/0x140 [ 179.549632][ C0] ? mark_lock+0x94/0x320 [ 179.549653][ C0] lock_acquire+0x19e/0x400 [ 179.549671][ C0] ? rcu_lock_acquire+0x5/0x30 [ 179.549690][ C0] ? do_raw_spin_lock+0x128/0x2f0 [ 179.549707][ C0] ? read_lock_is_recursive+0x10/0x10 [ 179.549727][ C0] ? __lock_acquire+0x7d10/0x7d10 [ 179.549748][ C0] rcu_lock_acquire+0x2a/0x30 [ 179.549763][ C0] ? rcu_lock_acquire+0x5/0x30 [ 179.549778][ C0] send_sigqueue+0xd1/0x620 [ 179.549795][ C0] posix_timer_fn+0x16a/0x3d0 [ 179.549815][ C0] ? common_timer_wait_running+0x10/0x10 [ 179.549834][ C0] __hrtimer_run_queues+0x4eb/0xb70 [ 179.549859][ C0] ? hrtimer_interrupt+0x8d0/0x8d0 [ 179.549877][ C0] ? ktime_get_update_offsets_now+0x3ce/0x3e0 [ 179.549896][ C0] hrtimer_interrupt+0x3bb/0x8d0 [ 179.549929][ C0] __sysvec_apic_timer_interrupt+0x137/0x4a0 [ 179.549947][ C0] sysvec_apic_timer_interrupt+0x9b/0xc0 [ 179.549966][ C0] [ 179.549970][ C0] [ 179.549975][ C0] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 179.549993][ C0] RIP: 0010:_raw_spin_unlock_irq+0x25/0x40 [ 179.550009][ C0] Code: 00 00 00 66 90 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 ee fa 97 f7 48 89 df e8 26 d3 98 f7 e8 91 c5 b9 f7 fb bf 01 00 00 00 a6 d9 8c f7 65 8b 05 47 e7 3c 76 85 c0 74 02 5b c3 e8 94 f4 3a [ 179.550021][ C0] RSP: 0018:ffffc90002fffbc0 EFLAGS: 00000282 [ 179.550034][ C0] RAX: d0904e450e91d800 RBX: ffff88802b49b780 RCX: d0904e450e91d800 [ 179.550046][ C0] RDX: dffffc0000000000 RSI: ffffffff8a2b2780 RDI: 0000000000000001 [ 179.550057][ C0] RBP: 0000000000000000 R08: ffff88802b49b783 R09: 1ffff110056936f0 [ 179.550068][ C0] R10: dffffc0000000000 R11: ffffed10056936f1 R12: ffff88802b49b780 [ 179.550080][ C0] R13: 0000000000000021 R14: dffffc0000000000 R15: 000000001c000004 [ 179.550097][ C0] get_signal+0x11d6/0x12c0 [ 179.550119][ C0] arch_do_signal_or_restart+0xe7/0x12c0 [ 179.550139][ C0] ? _copy_from_user+0x111/0x170 [ 179.550160][ C0] ? load_gs_index+0x130/0x130 [ 179.550179][ C0] ? get_sigframe_size+0x10/0x10 [ 179.550205][ C0] ? exit_to_user_mode_loop+0x3b/0x130 [ 179.550220][ C0] exit_to_user_mode_loop+0x9e/0x130 [ 179.550236][ C0] exit_to_user_mode_prepare+0xee/0x180 [ 179.550251][ C0] syscall_exit_to_user_mode+0x16/0x40 [ 179.550269][ C0] do_syscall_64+0x58/0xa0 [ 179.550283][ C0] ? clear_bhb_loop+0x30/0x80 [ 179.550298][ C0] ? clear_bhb_loop+0x30/0x80 [ 179.550313][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 179.550329][ C0] RIP: 0033:0x7f47d801992e [ 179.550343][ C0] Code: 08 0f 85 15 ed ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 90 41 57 41 56 4d 89 c6 41 55 4d 89 cd 41 54 55 53 48 83 ec 08 [ 179.550355][ C0] RSP: 002b:00007ffcf4c7e788 EFLAGS: 00000246 [ 179.550367][ C0] RAX: fffffffffffffff7 RBX: 000055557a919480 RCX: 00007f47d801992e [ 179.550378][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000015 [ 179.550387][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 179.550396][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffcf4c7e80c [ 179.550406][ C0] R13: 00007f47d809a488 R14: 0000000000000000 R15: 431bde82d7b634db [ 179.550423][ C0] [ 179.550429][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.141 msecs