Warning: Permanently added '10.128.0.119' (ED25519) to the list of known hosts. [ 166.541379][ T5821] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 166.542286][ T5824] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 166.549393][ T5821] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 166.557319][ T5824] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 166.564572][ T5821] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 166.571223][ T5824] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 166.577540][ T5821] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 166.592300][ T5824] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 166.595092][ T5821] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 166.599503][ T5824] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 166.615806][ T5821] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 166.617351][ T5826] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 166.630523][ T5826] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 166.639875][ T5826] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 166.647068][ T5825] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 166.655265][ T5825] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 166.655828][ T5821] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 166.662744][ T5826] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 166.670474][ T5821] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 166.683518][ T5826] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 166.686237][ T5821] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 166.693274][ T5826] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 166.699172][ T5821] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 166.706437][ T5826] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 executing program executing program [ 272.014841][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 272.022035][ C1] rcu: (detected by 1, t=10502 jiffies, g=7129, q=51 ncpus=2) [ 272.029587][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4294964292-4294953790), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 272.042976][ C1] rcu: rcu_preempt kthread starved for 10502 jiffies! g7129 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 272.054101][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 272.064243][ C1] rcu: RCU grace-period kthread stack dump: [ 272.070166][ C1] task:rcu_preempt state:R running task stack:27528 pid:17 ppid:2 flags:0x00004000 [ 272.080988][ C1] Call Trace: [ 272.084275][ C1] [ 272.087227][ C1] __schedule+0x14d2/0x44d0 [ 272.091785][ C1] ? _raw_spin_unlock_irqrestore+0x86/0x110 [ 272.097699][ C1] ? lockdep_hardirqs_on+0x98/0x150 [ 272.102916][ C1] ? _raw_spin_unlock_irqrestore+0xae/0x110 [ 272.108830][ C1] ? asan.module_dtor+0x20/0x20 [ 272.113692][ C1] ? enqueue_timer+0x4ab/0x530 [ 272.118474][ C1] ? __mod_timer+0x984/0xdb0 [ 272.123091][ C1] schedule+0xbd/0x170 [ 272.127177][ C1] schedule_timeout+0x160/0x280 [ 272.132045][ C1] ? console_conditional_schedule+0x40/0x40 [ 272.137963][ C1] ? update_process_times+0x1b0/0x1b0 [ 272.143364][ C1] ? prepare_to_swait_event+0x339/0x360 [ 272.148927][ C1] rcu_gp_fqs_loop+0x302/0x1560 [ 272.153790][ C1] ? rcu_gp_init+0x110e/0x1510 [ 272.158582][ C1] ? rcu_gp_kthread+0x380/0x380 [ 272.163454][ C1] ? lockdep_hardirqs_on_prepare+0x400/0x760 [ 272.169453][ C1] ? rcu_gp_init+0x1510/0x1510 [ 272.174236][ C1] ? rcu_gp_cleanup+0xb4c/0xca0 [ 272.179102][ C1] ? _raw_spin_unlock_irq+0x23/0x50 [ 272.184321][ C1] ? lockdep_hardirqs_on+0x98/0x150 [ 272.189539][ C1] rcu_gp_kthread+0x99/0x380 [ 272.194151][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 272.199284][ C1] ? __kthread_parkme+0x7a/0x1c0 [ 272.204239][ C1] ? __kthread_parkme+0x162/0x1c0 [ 272.209287][ C1] kthread+0x2fa/0x390 [ 272.213372][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 272.218503][ C1] ? kthread_blkcg+0xd0/0xd0 [ 272.223103][ C1] ret_from_fork+0x48/0x80 [ 272.227537][ C1] ? kthread_blkcg+0xd0/0xd0 [ 272.232141][ C1] ret_from_fork_asm+0x11/0x20 [ 272.236930][ C1] [ 272.239970][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 272.246298][ C1] Sending NMI from CPU 1 to CPUs 0: [ 272.251530][ C0] NMI backtrace for cpu 0 [ 272.251555][ C0] CPU: 0 PID: 5837 Comm: syz-executor686 Not tainted 6.6.101-syzkaller #0 [ 272.251568][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 272.251576][ C0] RIP: 0010:lock_release+0x148/0x8b0 [ 272.251595][ C0] Code: 51 04 00 00 4c 89 74 24 10 48 c7 84 24 a0 00 00 00 00 00 00 00 9c 8f 84 24 a0 00 00 00 48 8b 84 24 a0 00 00 00 48 89 44 24 50 48 c7 c7 20 c7 aa 8a e8 8b a3 05 09 65 ff 05 ac fe 9a 7e c7 44 [ 272.251606][ C0] RSP: 0018:ffffc90000007c40 EFLAGS: 00000046 [ 272.251619][ C0] RAX: 0000000000000046 RBX: ffff8880284fa8dc RCX: b2cf9ea265997200 [ 272.251629][ C0] RDX: 0000000000000000 RSI: ffffffff8afc6760 RDI: ffffffff8afc6720 [ 272.251638][ C0] RBP: ffffc90000007d50 R08: ffffffff8e4a84ef R09: 1ffffffff1c9509d [ 272.251648][ C0] R10: dffffc0000000000 R11: fffffbfff1c9509e R12: ffffffff8176069f [ 272.251658][ C0] R13: dffffc0000000000 R14: ffff8880284f9e00 R15: 1ffff92000000f94 [ 272.251667][ C0] FS: 00005555807753c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 [ 272.251679][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 272.251689][ C0] CR2: 000020000006b000 CR3: 000000006b575000 CR4: 00000000003506f0 [ 272.251701][ C0] Call Trace: [ 272.251707][ C0] [ 272.251716][ C0] ? ktime_get+0x35/0x280 [ 272.251733][ C0] ? __lock_acquire+0x7c80/0x7c80 [ 272.251752][ C0] ? ktime_get+0x7f/0x280 [ 272.251765][ C0] ? ktime_get+0x7f/0x280 [ 272.251780][ C0] seqcount_lockdep_reader_access+0xdd/0x1c0 [ 272.251797][ C0] ? ktime_get_real_ts64+0x420/0x420 [ 272.251815][ C0] ? do_raw_spin_unlock+0x121/0x230 [ 272.251835][ C0] ktime_get+0x7f/0x280 [ 272.251851][ C0] clockevents_program_event+0xe6/0x310 [ 272.251870][ C0] hrtimer_interrupt+0x5a1/0x9c0 [ 272.251896][ C0] __sysvec_apic_timer_interrupt+0xfb/0x3b0 [ 272.251915][ C0] sysvec_apic_timer_interrupt+0x9f/0xc0 [ 272.251935][ C0] [ 272.251939][ C0] [ 272.251943][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 272.251966][ C0] RIP: 0010:_raw_spin_unlock_irq+0x29/0x50 [ 272.251987][ C0] Code: 00 f3 0f 1e fa 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 9a c8 f0 f6 48 89 df e8 b2 9a f1 f6 e8 4d 37 15 f7 fb bf 01 00 00 00 92 b2 e4 f6 65 8b 05 93 f8 8c 75 85 c0 74 02 5b c3 e8 70 da 89 [ 272.251997][ C0] RSP: 0018:ffffc90004a2fc98 EFLAGS: 00000282 [ 272.252007][ C0] RAX: b2cf9ea265997200 RBX: ffff88802ff30000 RCX: b2cf9ea265997200 [ 272.252017][ C0] RDX: dffffc0000000000 RSI: ffffffff8aaaba40 RDI: 0000000000000001 [ 272.252027][ C0] RBP: ffff88802ff30498 R08: ffffffff8e4a84ef R09: 1ffffffff1c9509d [ 272.252036][ C0] R10: dffffc0000000000 R11: fffffbfff1c9509e R12: 1ffff11005fe6093 [ 272.252046][ C0] R13: 0000000000000021 R14: dffffc0000000000 R15: 0000000000000000 [ 272.252062][ C0] ? _raw_spin_unlock_irq+0x23/0x50 [ 272.252082][ C0] get_signal+0x11f5/0x1400 [ 272.252113][ C0] arch_do_signal_or_restart+0x96/0x780 [ 272.252136][ C0] ? get_sigframe_size+0x20/0x20 [ 272.252162][ C0] ? exit_to_user_mode_loop+0x3b/0x110 [ 272.252182][ C0] exit_to_user_mode_loop+0x70/0x110 [ 272.252201][ C0] exit_to_user_mode_prepare+0xb1/0x140 [ 272.252219][ C0] syscall_exit_to_user_mode+0x1a/0x50 [ 272.252239][ C0] do_syscall_64+0x61/0xb0 [ 272.252253][ C0] ? clear_bhb_loop+0x40/0x90 [ 272.252265][ C0] ? clear_bhb_loop+0x40/0x90 [ 272.252278][ C0] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 272.252305][ C0] RIP: 0033:0x7f907f44d899 [ 272.252323][ 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 [ 272.252333][ C0] RSP: 002b:00007ffe7c6feed8 EFLAGS: 00000246 [ 272.252343][ C0] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007f907f44d899 [ 272.252352][ C0] RDX: 000020000006b000 RSI: 0000000000000000 RDI: 0000000000000000 [ 272.252360][ C0] RBP: 0000000000000000 R08: 00007f907f40d990 R09: 00007f907f40d990 [ 272.252369][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f907f4ab33c [ 272.252377][ C0] R13: 00007f907f4a5106 R14: 00007ffe7c6fef10 R15: 0000000000000000 [ 272.252393][ C0]