Warning: Permanently added '10.128.0.77' (ED25519) to the list of known hosts. [ 190.651062][ T5813] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 190.661301][ T5813] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 190.670354][ T5813] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 190.678365][ T5813] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 190.686924][ T5818] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 190.696033][ T5820] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 190.702814][ T5818] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 190.703076][ T5813] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 190.710838][ T5818] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 190.719277][ T5820] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 190.726345][ T5818] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 190.734078][ T5813] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 190.740823][ T5818] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 190.747492][ T5820] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 190.755448][ T5818] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 190.768300][ T5820] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 190.768914][ T5818] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 190.775893][ T5820] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 190.784187][ T5818] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 190.790246][ T5813] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 190.796882][ T5818] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 190.803665][ T5820] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 190.810933][ T5818] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 190.817662][ T5813] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 executing program [ 296.125552][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 296.132677][ C1] rcu: (detected by 1, t=10502 jiffies, g=9941, q=38 ncpus=2) [ 296.140257][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294966684-4294956181), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 296.153757][ C1] rcu: rcu_preempt kthread starved for 10504 jiffies! g9941 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 296.165075][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 296.175093][ C1] rcu: RCU grace-period kthread stack dump: [ 296.181028][ C1] task:rcu_preempt state:R running task stack:26568 pid:17 ppid:2 flags:0x00004000 [ 296.191883][ C1] Call Trace: [ 296.195201][ C1] [ 296.198190][ C1] __schedule+0x14e2/0x4580 [ 296.202793][ C1] ? _raw_spin_unlock_irqrestore+0x86/0x110 [ 296.208748][ C1] ? lockdep_hardirqs_on+0x98/0x150 [ 296.213985][ C1] ? _raw_spin_unlock_irqrestore+0xae/0x110 [ 296.219932][ C1] ? asan.module_dtor+0x20/0x20 [ 296.224830][ C1] ? enqueue_timer+0x225/0x530 [ 296.229640][ C1] ? __mod_timer+0x984/0xdb0 [ 296.234292][ C1] schedule+0xbd/0x170 [ 296.238412][ C1] schedule_timeout+0x160/0x280 [ 296.243316][ C1] ? console_conditional_schedule+0x40/0x40 [ 296.249263][ C1] ? update_process_times+0x1b0/0x1b0 [ 296.254690][ C1] ? prepare_to_swait_event+0x339/0x360 [ 296.260296][ C1] rcu_gp_fqs_loop+0x302/0x1560 [ 296.265185][ C1] ? rcu_gp_init+0x110e/0x1510 [ 296.270007][ C1] ? rcu_gp_kthread+0x380/0x380 [ 296.274910][ C1] ? lockdep_hardirqs_on_prepare+0x400/0x760 [ 296.280947][ C1] ? rcu_gp_init+0x1510/0x1510 [ 296.285766][ C1] ? rcu_gp_cleanup+0xb4c/0xca0 [ 296.290670][ C1] ? _raw_spin_unlock_irq+0x23/0x50 [ 296.295927][ C1] ? lockdep_hardirqs_on+0x98/0x150 [ 296.301173][ C1] rcu_gp_kthread+0x99/0x380 [ 296.305821][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 296.311160][ C1] ? __kthread_parkme+0x7a/0x1c0 [ 296.316273][ C1] ? __kthread_parkme+0x162/0x1c0 [ 296.321992][ C1] kthread+0x2fa/0x390 [ 296.326106][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 296.331376][ C1] ? kthread_blkcg+0xd0/0xd0 [ 296.336005][ C1] ret_from_fork+0x48/0x80 [ 296.340464][ C1] ? kthread_blkcg+0xd0/0xd0 [ 296.345183][ C1] ret_from_fork_asm+0x11/0x20 [ 296.350017][ C1] [ 296.353077][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 296.359427][ C1] Sending NMI from CPU 1 to CPUs 0: [ 296.364858][ C0] NMI backtrace for cpu 0 [ 296.364885][ C0] CPU: 0 PID: 5825 Comm: syz-executor544 Not tainted 6.6.94-syzkaller #0 [ 296.364901][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 296.364910][ C0] RIP: 0010:__lock_acquire+0x1bcd/0x7c80 [ 296.364933][ C0] Code: 08 45 31 f6 49 b8 00 00 00 00 00 fc ff df 48 c7 84 24 20 01 00 00 0e 36 e0 45 48 8b 84 24 f0 00 00 00 42 c7 04 00 00 00 00 00 <4a> c7 44 00 0b 00 00 00 00 42 c7 44 00 17 00 00 00 00 42 c6 44 00 [ 296.364946][ C0] RSP: 0018:ffffc900000079c0 EFLAGS: 00000083 [ 296.364961][ C0] RAX: 1ffff92000000f5c RBX: ffff88807bf2e4d8 RCX: ffffffff81671100 [ 296.364973][ C0] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff90d85528 [ 296.364983][ C0] RBP: ffffc90000007c08 R08: dffffc0000000000 R09: 1ffffffff21b0aa5 [ 296.364994][ C0] R10: dffffc0000000000 R11: fffffbfff21b0aa6 R12: 35590c0ea7cde75a [ 296.365006][ C0] R13: ffff88807bf2da00 R14: 0000000000000001 R15: ffff88807bf2e500 [ 296.365017][ C0] FS: 0000555564d683c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 [ 296.365030][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 296.365041][ C0] CR2: 00007fb4b191ff10 CR3: 000000002faaa000 CR4: 00000000003506f0 [ 296.365054][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 296.365063][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 296.365072][ C0] Call Trace: [ 296.365079][ C0] [ 296.365084][ C0] ? __lock_task_sighand+0x14a/0x2d0 [ 296.365121][ C0] ? verify_lock_unused+0x140/0x140 [ 296.365144][ C0] ? __lock_acquire+0x7c80/0x7c80 [ 296.365163][ C0] ? do_raw_spin_lock+0x121/0x2c0 [ 296.365184][ C0] lock_acquire+0x197/0x410 [ 296.365201][ C0] ? ktime_get+0x35/0x280 [ 296.365219][ C0] ? _raw_spin_unlock+0x40/0x40 [ 296.365247][ C0] ? read_lock_is_recursive+0x20/0x20 [ 296.365269][ C0] ? ktime_get+0x35/0x280 [ 296.365286][ C0] seqcount_lockdep_reader_access+0xca/0x1c0 [ 296.365305][ C0] ? ktime_get+0x35/0x280 [ 296.365321][ C0] ? ktime_get_real_ts64+0x420/0x420 [ 296.365363][ C0] ? do_raw_spin_unlock+0x121/0x230 [ 296.365387][ C0] ktime_get+0x35/0x280 [ 296.365403][ C0] ? clockevents_program_event+0xd7/0x310 [ 296.365429][ C0] clockevents_program_event+0xe6/0x310 [ 296.365450][ C0] hrtimer_interrupt+0x5a1/0x9c0 [ 296.365479][ C0] __sysvec_apic_timer_interrupt+0xfb/0x3b0 [ 296.365500][ C0] sysvec_apic_timer_interrupt+0x9f/0xc0 [ 296.365519][ C0] [ 296.365524][ C0] [ 296.365529][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 296.365545][ C0] RIP: 0010:_raw_spin_unlock_irq+0x29/0x50 [ 296.365571][ C0] Code: 00 f3 0f 1e fa 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 9a a7 f7 f6 48 89 df e8 b2 79 f8 f6 e8 cd 25 1c f7 fb bf 01 00 00 00 f2 90 eb f6 65 8b 05 03 e7 93 75 85 c0 74 02 5b c3 e8 e0 c8 90 [ 296.365583][ C0] RSP: 0018:ffffc900048bfc98 EFLAGS: 00000282 [ 296.365596][ C0] RAX: 31aa24b0d9471d00 RBX: ffff88802c04ca00 RCX: 31aa24b0d9471d00 [ 296.365608][ C0] RDX: dffffc0000000000 RSI: ffffffff8aaab2c0 RDI: 0000000000000001 [ 296.365618][ C0] RBP: ffff88802c04ce98 R08: ffffffff8e49ab2f R09: 1ffffffff1c93565 [ 296.365629][ C0] R10: dffffc0000000000 R11: fffffbfff1c93566 R12: 1ffff110058099d3 [ 296.365641][ C0] R13: 0000000000000021 R14: dffffc0000000000 R15: 0000000000000000 [ 296.365658][ C0] ? _raw_spin_unlock_irq+0x23/0x50 [ 296.365683][ C0] get_signal+0x11f5/0x1400 [ 296.365717][ C0] arch_do_signal_or_restart+0x96/0x780 [ 296.365744][ C0] ? get_sigframe_size+0x20/0x20 [ 296.365774][ C0] ? exit_to_user_mode_loop+0x3b/0x110 [ 296.365798][ C0] exit_to_user_mode_loop+0x70/0x110 [ 296.365821][ C0] exit_to_user_mode_prepare+0xb1/0x140 [ 296.365844][ C0] syscall_exit_to_user_mode+0x1a/0x50 [ 296.365862][ C0] do_syscall_64+0x61/0xb0 [ 296.365885][ C0] ? clear_bhb_loop+0x40/0x90 [ 296.365900][ C0] ? clear_bhb_loop+0x40/0x90 [ 296.365915][ C0] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 296.365941][ C0] RIP: 0033:0x7fb4b1908899 [ 296.365965][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 296.365977][ C0] RSP: 002b:00007ffc83739c58 EFLAGS: 00000246 [ 296.365989][ C0] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007fb4b1908899 [ 296.365998][ C0] RDX: 000020000006b000 RSI: 0000000000000000 RDI: 0000000000000000 [ 296.366007][ C0] RBP: 0000000000000000 R08: 00007fb4b18c8990 R09: 00007fb4b18c8990 [ 296.366017][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb4b196633c [ 296.366027][ C0] R13: 00007fb4b1960106 R14: 00007ffc83739c90 R15: 0000000000000000 [ 296.366044][ C0] [ 296.366050][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.193 msecs