Warning: Permanently added '10.128.0.155' (ED25519) to the list of known hosts.
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[   92.158728][   T27] cfg80211: failed to load regulatory.db
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[  208.370387][    C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[  208.377566][    C1] rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P60/1:b..l
[  208.385629][    C1] rcu: 	(detected by 1, t=10503 jiffies, g=10113, q=583031 ncpus=2)
[  208.393685][    C1] task:kworker/u4:4    state:R  running task     stack:25256 pid:60    ppid:2      flags:0x00004000
[  208.405101][    C1] Workqueue: ext4-rsv-conversion ext4_end_io_rsv_work
[  208.412000][    C1] Call Trace:
[  208.415331][    C1]  <TASK>
[  208.418314][    C1]  __schedule+0x15ae/0x4660
[  208.422965][    C1]  ? asan.module_dtor+0x20/0x20
[  208.427905][    C1]  ? mark_lock+0x94/0x320
[  208.432411][    C1]  ? lockdep_hardirqs_on_prepare+0x44c/0x7d0
[  208.438501][    C1]  ? preempt_schedule_irq+0xb4/0x150
[  208.443878][    C1]  preempt_schedule_irq+0xbf/0x150
[  208.449072][    C1]  ? preempt_schedule_notrace+0x110/0x110
[  208.454924][    C1]  ? rcu_irq_exit_check_preempt+0xdf/0x210
[  208.460820][    C1]  irqentry_exit+0x67/0x70
[  208.465291][    C1]  asm_sysvec_apic_timer_interrupt+0x1a/0x20
[  208.471360][    C1] RIP: 0010:lock_acquire+0x208/0x420
[  208.476718][    C1] Code: f7 84 24 80 00 00 00 00 02 00 00 43 c6 44 3c 04 f8 0f 85 f0 00 00 00 41 f7 c6 00 02 00 00 74 01 fb 48 c7 44 24 60 0e 36 e0 45 <4b> c7 04 3c 00 00 00 00 43 c7 44 3c 08 00 00 00 00 65 48 8b 04 25
[  208.496404][    C1] RSP: 0018:ffffc900015b7660 EFLAGS: 00000206
[  208.502537][    C1] RAX: 0000000000000001 RBX: 0000000000000000 RCX: 6f1281b77f6e3200
[  208.510559][    C1] RDX: 0000000000000000 RSI: ffffffff8acade60 RDI: ffffffff8b1d3ba0
[  208.518590][    C1] RBP: ffffc900015b7768 R08: dffffc0000000000 R09: 1ffffffff223d6a0
[  208.526616][    C1] R10: dffffc0000000000 R11: fffffbfff223d6a1 R12: 1ffff920002b6ed8
[  208.534656][    C1] R13: ffffffff8d1320e0 R14: 0000000000000246 R15: dffffc0000000000
[  208.542728][    C1]  ? verify_lock_unused+0x140/0x140
[  208.548007][    C1]  ? read_lock_is_recursive+0x20/0x20
[  208.553447][    C1]  folio_memcg_lock+0xa2/0x320
[  208.558273][    C1]  ? folio_memcg_lock+0x81/0x320
[  208.563272][    C1]  ? __folio_memcg_unlock+0xf1/0x110
[  208.568609][    C1]  ? folio_memcg_lock+0x81/0x320
[  208.573596][    C1]  ? mem_cgroup_get_oom_group+0x350/0x350
[  208.579465][    C1]  ? folio_mapping+0x1bd/0x4e0
[  208.584304][    C1]  __folio_end_writeback+0x155/0xe10
[  208.589646][    C1]  ? __lock_acquire+0x7d80/0x7d80
[  208.594729][    C1]  ? __folio_cancel_dirty+0x590/0x590
[  208.600152][    C1]  ? _raw_spin_unlock_irqrestore+0x86/0x120
[  208.606102][    C1]  ? lockdep_hardirqs_on+0x98/0x150
[  208.611391][    C1]  ? _raw_spin_unlock_irqrestore+0xc5/0x120
[  208.617343][    C1]  ? _raw_spin_unlock+0x40/0x40
[  208.622258][    C1]  folio_end_writeback+0x150/0x690
[  208.627425][    C1]  ext4_finish_bio+0x5e2/0xb00
[  208.632301][    C1]  ext4_release_io_end+0xef/0x2b0
[  208.637419][    C1]  ? ext4_convert_unwritten_io_end_vec+0x153/0x170
[  208.643979][    C1]  ext4_end_io_rsv_work+0x4db/0x640
[  208.649247][    C1]  ? __lock_acquire+0x7d80/0x7d80
[  208.654330][    C1]  ? ext4_last_io_end_vec+0x70/0x70
[  208.659592][    C1]  ? _raw_spin_unlock_irq+0x23/0x50
[  208.664846][    C1]  ? process_scheduled_works+0x975/0x1600
[  208.670634][    C1]  ? process_scheduled_works+0x975/0x1600
[  208.676412][    C1]  process_scheduled_works+0xa60/0x1600
[  208.682043][    C1]  ? worker_attach_to_pool+0x370/0x370
[  208.687560][    C1]  ? assign_work+0x3cc/0x5d0
[  208.692216][    C1]  worker_thread+0xa5e/0xfe0
[  208.696883][    C1]  ? _raw_spin_unlock+0x40/0x40
[  208.701795][    C1]  ? __kthread_parkme+0x71/0x1c0
[  208.706803][    C1]  kthread+0x2fa/0x390
[  208.710921][    C1]  ? pr_cont_work+0x550/0x550
[  208.715654][    C1]  ? kthread_blkcg+0xd0/0xd0
[  208.720303][    C1]  ret_from_fork+0x48/0x80
[  208.724773][    C1]  ? kthread_blkcg+0xd0/0xd0
[  208.729422][    C1]  ret_from_fork_asm+0x11/0x20
[  208.734262][    C1]  </TASK>
[  208.737341][    C1] rcu: rcu_preempt kthread starved for 10533 jiffies! g10113 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
[  208.748580][    C1] rcu: 	Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
[  208.758596][    C1] rcu: RCU grace-period kthread stack dump:
[  208.764528][    C1] task:rcu_preempt     state:R  running task     stack:27848 pid:17    ppid:2      flags:0x00004000
[  208.775450][    C1] Call Trace:
[  208.778805][    C1]  <TASK>
[  208.781780][    C1]  __schedule+0x15ae/0x4660
[  208.786359][    C1]  ? __lock_acquire+0x7d80/0x7d80
[  208.791437][    C1]  ? lock_chain_count+0x20/0x20
[  208.796347][    C1]  ? lockdep_hardirqs_on+0x98/0x150
[  208.801596][    C1]  ? _raw_spin_unlock_irqrestore+0xc5/0x120
[  208.807544][    C1]  ? asan.module_dtor+0x20/0x20
[  208.812452][    C1]  ? rcu_is_watching+0x15/0xb0
[  208.817289][    C1]  schedule+0xbd/0x170
[  208.821415][    C1]  schedule_timeout+0x188/0x2d0
[  208.826314][    C1]  ? console_conditional_schedule+0x40/0x40
[  208.832257][    C1]  ? _raw_spin_unlock_irqrestore+0x86/0x120
[  208.838202][    C1]  ? update_process_times+0x1b0/0x1b0
[  208.843624][    C1]  ? prepare_to_swait_event+0x344/0x360
[  208.849233][    C1]  rcu_gp_fqs_loop+0x30d/0x1590
[  208.854152][    C1]  ? dump_blkd_tasks+0x820/0x820
[  208.859129][    C1]  ? lockdep_hardirqs_on_prepare+0x44c/0x7d0
[  208.865165][    C1]  ? __lock_acquire+0x7d80/0x7d80
[  208.870243][    C1]  ? rcu_gp_init+0x1530/0x1530
[  208.875055][    C1]  ? rcu_gp_cleanup+0xade/0xc30
[  208.879961][    C1]  ? _raw_spin_unlock_irq+0x23/0x50
[  208.885209][    C1]  ? lockdep_hardirqs_on+0x98/0x150
[  208.890455][    C1]  rcu_gp_kthread+0x9d/0x3b0
[  208.895121][    C1]  ? rcu_report_qs_rsp+0x1a0/0x1a0
[  208.900277][    C1]  ? __kthread_parkme+0x71/0x1c0
[  208.905266][    C1]  ? __kthread_parkme+0x15b/0x1c0
[  208.910347][    C1]  kthread+0x2fa/0x390
[  208.914458][    C1]  ? rcu_report_qs_rsp+0x1a0/0x1a0
[  208.919617][    C1]  ? kthread_blkcg+0xd0/0xd0
[  208.924265][    C1]  ret_from_fork+0x48/0x80
[  208.928733][    C1]  ? kthread_blkcg+0xd0/0xd0
[  208.933377][    C1]  ret_from_fork_asm+0x11/0x20
[  208.938213][    C1]  </TASK>
[  208.941272][    C1] rcu: Stack dump where RCU GP kthread last ran:
[  208.947630][    C1] Sending NMI from CPU 1 to CPUs 0:
[  208.952915][    C0] NMI backtrace for cpu 0
[  208.952938][    C0] CPU: 0 PID: 6558 Comm: syz-executor308 Not tainted syzkaller #0
[  208.952954][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
[  208.952963][    C0] RIP: 0010:__kasan_check_read+0xc/0x20
[  208.952991][    C0] Code: c7 f0 f2 a4 8c 4c 89 e6 eb 0a 48 c7 c7 81 77 86 8c 48 89 de e8 55 aa a5 08 31 ed eb d4 cc f3 0f 1e fa 89 f6 48 8b 0c 24 31 d2 <e9> ff ea ff ff 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 f3 0f
[  208.953005][    C0] RSP: 0018:ffffc900050878b8 EFLAGS: 00000046
[  208.953019][    C0] RAX: 0000000000000030 RBX: ffff88807f090000 RCX: ffffffff81695584
[  208.953031][    C0] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff911eb530
[  208.953041][    C0] RBP: 0000000000000003 R08: dffffc0000000000 R09: 1ffffffff223d6a6
[  208.953052][    C0] R10: dffffc0000000000 R11: fffffbfff223d6a7 R12: 0000000000000008
[  208.953063][    C0] R13: dffffc0000000000 R14: ffff88807f090ae8 R15: 00000000000001ad
[  208.953075][    C0] FS:  00007f08f8a8e6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
[  208.953089][    C0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  208.953100][    C0] CR2: 0000200000001840 CR3: 0000000074aac000 CR4: 00000000003506f0
[  208.953114][    C0] Call Trace:
[  208.953120][    C0]  <TASK>
[  208.953125][    C0]  mark_lock+0x94/0x320
[  208.953148][    C0]  __lock_acquire+0x10fd/0x7d80
[  208.953167][    C0]  ? verify_lock_unused+0x140/0x140
[  208.953197][    C0]  ? verify_lock_unused+0x140/0x140
[  208.953222][    C0]  ? __might_fault+0xaa/0x120
[  208.953242][    C0]  lock_acquire+0x19e/0x420
[  208.953260][    C0]  ? __might_fault+0xaa/0x120
[  208.953280][    C0]  ? __might_sleep+0xe0/0xe0
[  208.953300][    C0]  ? restore_altstack+0x2d5/0x4e0
[  208.953319][    C0]  ? read_lock_is_recursive+0x20/0x20
[  208.953347][    C0]  ? __ia32_sys_sigaltstack+0x2a0/0x2a0
[  208.953368][    C0]  ? __might_fault+0xaa/0x120
[  208.953384][    C0]  __might_fault+0xc6/0x120
[  208.953400][    C0]  ? __might_fault+0xaa/0x120
[  208.953418][    C0]  _copy_from_user+0x2a/0xe0
[  208.953438][    C0]  __ia32_sys_rt_sigreturn+0x2e1/0x850
[  208.953457][    C0]  ? x64_setup_rt_frame+0xc30/0xc30
[  208.953483][    C0]  ? lock_chain_count+0x20/0x20
[  208.953504][    C0]  ? lockdep_hardirqs_on+0x98/0x150
[  208.953522][    C0]  do_syscall_64+0x55/0xb0
[  208.953543][    C0]  ? clear_bhb_loop+0x40/0x90
[  208.953566][    C0]  ? clear_bhb_loop+0x40/0x90
[  208.953589][    C0]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  208.953611][    C0] RIP: 0033:0x7f08f8a9c599
[  208.953632][    C0] Code: 3c 01 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 90 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 c7 c0 0f 00 00 00 0f 05 <0f> 1f 80 00 00 00 00 48 81 ec 48 01 00 00 49 89 d0 64 48 8b 0c 25
[  208.953644][    C0] RSP: 002b:00007f08f8a8dbc0 EFLAGS: 00000202 ORIG_RAX: 000000000000000f
[  208.953660][    C0] RAX: ffffffffffffffda RBX: 00007f08f8b60b68 RCX: 00007f08f8a9c599
[  208.953671][    C0] RDX: 00007f08f8a8dbc0 RSI: 00007f08f8a8dcf0 RDI: 0000000000000021
[  208.953682][    C0] RBP: 00007f08f8b60b60 R08: 00007f08f8a8ecdc R09: 0000000000000000
[  208.953692][    C0] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f08f8b60b6c
[  208.953702][    C0] R13: 0000000000000000 R14: 00007ffdae7ed200 R15: 00007ffdae7ed2e8
[  208.953719][    C0]  </TASK>
[  209.265949][    C1] sched: RT throttling activated