Warning: Permanently added '10.128.0.17' (ED25519) to the list of known hosts. Setting up swapspace version 1, size = 127995904 bytes [ 87.897973][ T5782] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 87.947196][ T5802] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 87.954779][ T5808] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 87.955949][ T5802] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 87.963793][ T5808] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 87.970429][ T5802] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 87.976823][ T5808] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 87.984053][ T5802] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 87.997711][ T5808] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 87.998162][ T5802] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 88.005903][ T5809] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 88.021965][ T5806] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 88.029686][ T5809] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 88.037833][ T5806] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 88.045083][ T5808] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 88.052777][ T5809] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 88.060986][ T5806] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 88.068323][ T5808] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 88.072458][ T5812] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 88.083603][ T50] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 88.084113][ T5812] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 88.098430][ T5806] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 88.105685][ T50] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 88.114751][ T50] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 88.124312][ T5806] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 executing program executing program [ 193.400542][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 193.407701][ C0] rcu: (detected by 0, t=10502 jiffies, g=9049, q=84 ncpus=2) [ 193.415283][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294956419-4294945916), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 193.428691][ C0] rcu: rcu_preempt kthread starved for 10504 jiffies! g9049 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 193.439837][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 193.449845][ C0] rcu: RCU grace-period kthread stack dump: [ 193.455772][ C0] task:rcu_preempt state:R running task stack:27088 pid:17 ppid:2 flags:0x00004000 [ 193.466642][ C0] Call Trace: [ 193.469955][ C0] [ 193.472936][ C0] __schedule+0x14d2/0x44d0 [ 193.477533][ C0] ? _raw_spin_unlock_irqrestore+0x86/0x110 [ 193.483483][ C0] ? lockdep_hardirqs_on+0x98/0x150 [ 193.488734][ C0] ? _raw_spin_unlock_irqrestore+0xae/0x110 [ 193.494667][ C0] ? asan.module_dtor+0x20/0x20 [ 193.499578][ C0] ? enqueue_timer+0x225/0x530 [ 193.504410][ C0] ? __mod_timer+0x984/0xdb0 [ 193.509076][ C0] schedule+0xbd/0x170 [ 193.513205][ C0] schedule_timeout+0x160/0x280 [ 193.518093][ C0] ? console_conditional_schedule+0x40/0x40 [ 193.524029][ C0] ? update_process_times+0x1b0/0x1b0 [ 193.529461][ C0] ? prepare_to_swait_event+0x339/0x360 [ 193.535053][ C0] rcu_gp_fqs_loop+0x302/0x1560 [ 193.539955][ C0] ? rcu_gp_init+0x110e/0x1510 [ 193.544774][ C0] ? rcu_gp_kthread+0x380/0x380 [ 193.549677][ C0] ? lockdep_hardirqs_on_prepare+0x400/0x760 [ 193.555700][ C0] ? rcu_gp_init+0x1510/0x1510 [ 193.560512][ C0] ? rcu_gp_cleanup+0xb4c/0xca0 [ 193.565412][ C0] ? _raw_spin_unlock_irq+0x23/0x50 [ 193.570652][ C0] ? lockdep_hardirqs_on+0x98/0x150 [ 193.575903][ C0] rcu_gp_kthread+0x99/0x380 [ 193.580552][ C0] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 193.585720][ C0] ? __kthread_parkme+0x7a/0x1c0 [ 193.590707][ C0] ? __kthread_parkme+0x162/0x1c0 [ 193.595787][ C0] kthread+0x2fa/0x390 [ 193.599889][ C0] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 193.605051][ C0] ? kthread_blkcg+0xd0/0xd0 [ 193.609771][ C0] ret_from_fork+0x48/0x80 [ 193.614228][ C0] ? kthread_blkcg+0xd0/0xd0 [ 193.618860][ C0] ret_from_fork_asm+0x11/0x20 [ 193.623685][ C0] [ 193.626803][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 193.633175][ C0] Sending NMI from CPU 0 to CPUs 1: [ 193.638534][ C1] NMI backtrace for cpu 1 [ 193.638556][ C1] CPU: 1 PID: 5819 Comm: syz-executor233 Not tainted syzkaller #0 [ 193.638571][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 193.638581][ C1] RIP: 0010:mark_lock+0x56/0x320 [ 193.638606][ C1] Code: 03 42 0f b6 04 28 84 c0 0f 85 74 02 00 00 41 0f b6 47 02 24 03 3c 01 bd 09 00 00 00 83 dd 00 41 bc 01 00 00 00 89 e9 41 d3 e4 <4d> 8d 7e 20 4c 89 f8 48 c1 e8 03 42 0f b6 04 28 84 c0 0f 85 22 02 [ 193.638622][ C1] RSP: 0018:ffffc9000471f8c0 EFLAGS: 00000002 [ 193.638636][ C1] RAX: 00000000000501a7 RBX: ffff88802b945a00 RCX: 0000000000000003 [ 193.638647][ C1] RDX: 0000000000000003 RSI: ffff88802b9464e0 RDI: ffff88802b945a00 [ 193.638657][ C1] RBP: 0000000000000003 R08: dffffc0000000000 R09: 1ffffffff21b4ea6 [ 193.638668][ C1] R10: dffffc0000000000 R11: fffffbfff21b4ea7 R12: 0000000000000008 [ 193.638678][ C1] R13: dffffc0000000000 R14: ffff88802b9464e0 R15: ffff88802b946500 [ 193.638690][ C1] FS: 0000555568a22480(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 [ 193.638704][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 193.638715][ C1] CR2: 000020000006b000 CR3: 000000007a429000 CR4: 00000000003506e0 [ 193.638728][ C1] Call Trace: [ 193.638736][ C1] [ 193.638746][ C1] __lock_acquire+0x110b/0x7c80 [ 193.638770][ C1] ? verify_lock_unused+0x140/0x140 [ 193.638798][ C1] ? verify_lock_unused+0x140/0x140 [ 193.638826][ C1] lock_acquire+0x197/0x410 [ 193.638842][ C1] ? __might_fault+0xaa/0x120 [ 193.638860][ C1] ? __might_sleep+0xe0/0xe0 [ 193.638881][ C1] ? read_lock_is_recursive+0x20/0x20 [ 193.638898][ C1] ? restore_altstack+0x2c5/0x4a0 [ 193.638917][ C1] ? __ia32_sys_sigaltstack+0x270/0x270 [ 193.638935][ C1] ? __might_fault+0xaa/0x120 [ 193.638949][ C1] __might_fault+0xc6/0x120 [ 193.638963][ C1] ? __might_fault+0xaa/0x120 [ 193.638978][ C1] _copy_from_user+0x2a/0xe0 [ 193.638997][ C1] __ia32_sys_rt_sigreturn+0x27a/0x7b0 [ 193.639025][ C1] ? lockdep_hardirqs_on+0x98/0x150 [ 193.639058][ C1] ? x64_setup_rt_frame+0xcd0/0xcd0 [ 193.639093][ C1] ? lock_chain_count+0x20/0x20 [ 193.639118][ C1] ? lockdep_hardirqs_on+0x98/0x150 [ 193.639144][ C1] do_syscall_64+0x55/0xb0 [ 193.639164][ C1] ? clear_bhb_loop+0x40/0x90 [ 193.639181][ C1] ? clear_bhb_loop+0x40/0x90 [ 193.639198][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 193.639214][ C1] RIP: 0033:0x7f187ceb2d29 [ 193.639230][ C1] Code: 64 c7 00 16 00 00 00 b8 ff ff ff ff c3 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 04 25 [ 193.639243][ C1] RSP: 002b:00007ffc421e7b00 EFLAGS: 00000206 ORIG_RAX: 000000000000000f [ 193.639258][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f187ceb2d29 [ 193.639268][ C1] RDX: 00007ffc421e7b00 RSI: 00007ffc421e7c30 RDI: 0000000000000021 [ 193.639278][ C1] RBP: 0000000000000000 R08: 00007f187cf6c488 R09: 00007f187cf6c488 [ 193.639288][ C1] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f187cf6c488 [ 193.639298][ C1] R13: 00007ffc421e80dc R14: 0000000000000000 R15: 431bde82d7b634db [ 193.639315][ C1]