Warning: Permanently added '10.128.1.77' (ED25519) to the list of known hosts. [ 100.254341][ T50] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 100.273804][ T5806] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 100.282227][ T5807] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 100.283252][ T5806] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 100.290626][ T5807] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 100.297427][ T5806] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 100.304649][ T5807] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 100.313958][ T5806] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 100.319576][ T5807] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 100.325557][ T5806] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 100.339100][ T5806] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 100.347930][ T5809] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 100.350295][ T5810] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 100.355543][ T5806] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 100.365239][ T5810] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 100.369707][ T5809] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 100.392621][ T5807] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 100.393320][ T5809] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 100.400457][ T5810] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 100.407634][ T5809] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 100.415025][ T5807] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 100.421131][ T5809] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 100.428724][ T5807] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 100.438792][ T50] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 executing program [ 205.731447][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 205.738590][ C0] rcu: (detected by 0, t=10502 jiffies, g=9041, q=52 ncpus=2) [ 205.746178][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10501 (4294957659-4294947158), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 205.759586][ C0] rcu: rcu_preempt kthread starved for 10502 jiffies! g9041 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 205.770850][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 205.780947][ C0] rcu: RCU grace-period kthread stack dump: [ 205.786882][ C0] task:rcu_preempt state:R running task stack:27528 pid:17 ppid:2 flags:0x00004000 [ 205.797735][ C0] Call Trace: [ 205.801053][ C0] [ 205.804037][ C0] __schedule+0x14d2/0x44d0 [ 205.808662][ C0] ? _raw_spin_unlock_irqrestore+0x86/0x110 [ 205.814608][ C0] ? lockdep_hardirqs_on+0x98/0x150 [ 205.819856][ C0] ? _raw_spin_unlock_irqrestore+0xae/0x110 [ 205.825800][ C0] ? asan.module_dtor+0x20/0x20 [ 205.830695][ C0] ? enqueue_timer+0x225/0x530 [ 205.835524][ C0] ? __mod_timer+0x984/0xdb0 [ 205.840176][ C0] schedule+0xbd/0x170 [ 205.844288][ C0] schedule_timeout+0x160/0x280 [ 205.849187][ C0] ? console_conditional_schedule+0x40/0x40 [ 205.855307][ C0] ? _raw_spin_unlock_irqrestore+0x86/0x110 [ 205.861256][ C0] ? update_process_times+0x1b0/0x1b0 [ 205.866689][ C0] ? prepare_to_swait_event+0x339/0x360 [ 205.872286][ C0] rcu_gp_fqs_loop+0x302/0x1560 [ 205.877189][ C0] ? dump_blkd_tasks+0x810/0x810 [ 205.882167][ C0] ? rcu_gp_init+0x1510/0x1510 [ 205.886977][ C0] ? rcu_gp_cleanup+0xb4c/0xca0 [ 205.891868][ C0] ? _raw_spin_unlock_irq+0x23/0x50 [ 205.897110][ C0] ? lockdep_hardirqs_on+0x98/0x150 [ 205.902363][ C0] rcu_gp_kthread+0x99/0x380 [ 205.907009][ C0] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 205.912171][ C0] ? __kthread_parkme+0x7a/0x1c0 [ 205.917159][ C0] ? __kthread_parkme+0x162/0x1c0 [ 205.922240][ C0] kthread+0x2fa/0x390 [ 205.926348][ C0] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 205.931524][ C0] ? kthread_blkcg+0xd0/0xd0 [ 205.936163][ C0] ret_from_fork+0x48/0x80 [ 205.940623][ C0] ? kthread_blkcg+0xd0/0xd0 [ 205.945248][ C0] ret_from_fork_asm+0x11/0x20 [ 205.950071][ C0] [ 205.953145][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 205.959845][ C0] Sending NMI from CPU 0 to CPUs 1: [ 205.965105][ C1] NMI backtrace for cpu 1 [ 205.965129][ C1] CPU: 1 PID: 5819 Comm: syz-executor784 Not tainted 6.6.101-syzkaller #0 [ 205.965145][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 205.965154][ C1] RIP: 0010:lock_release+0x1f/0x8b0 [ 205.965176][ C1] Code: ff 66 2e 0f 1f 84 00 00 00 00 00 f3 0f 1e fa 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 48 81 ec e0 00 00 00 49 89 f4 <48> 89 7c 24 18 65 48 8b 04 25 28 00 00 00 48 89 84 24 c0 00 00 00 [ 205.965189][ C1] RSP: 0018:ffffc900001f0c40 EFLAGS: 00000082 [ 205.965203][ C1] RAX: 5387cfc5e641e300 RBX: ffffffff8176069f RCX: 5387cfc5e641e300 [ 205.965215][ C1] RDX: 0000000000000000 RSI: ffffffff8176069f RDI: ffffffff8cd49bc8 [ 205.965226][ C1] RBP: ffffc900001f0d50 R08: dffffc0000000000 R09: 1ffffffff21b46a5 [ 205.965237][ C1] R10: dffffc0000000000 R11: fffffbfff21b46a6 R12: ffffffff8176069f [ 205.965248][ C1] R13: 0000002ff1c9d800 R14: 1ffff9200003e1ac R15: dffffc0000000000 [ 205.965260][ C1] FS: 000055558e4083c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 [ 205.965273][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 205.965284][ C1] CR2: 000020000006b000 CR3: 000000007dd63000 CR4: 00000000003506e0 [ 205.965298][ C1] Call Trace: [ 205.965304][ C1] [ 205.965313][ C1] ? ktime_get+0x35/0x280 [ 205.965332][ C1] ? read_lock_is_recursive+0x20/0x20 [ 205.965354][ C1] ? ktime_get+0x7f/0x280 [ 205.965375][ C1] ? ktime_get+0x7f/0x280 [ 205.965393][ C1] seqcount_lockdep_reader_access+0xdd/0x1c0 [ 205.965413][ C1] ? ktime_get_real_ts64+0x420/0x420 [ 205.965433][ C1] ? do_raw_spin_unlock+0x121/0x230 [ 205.965458][ C1] ktime_get+0x7f/0x280 [ 205.965477][ C1] clockevents_program_event+0xe6/0x310 [ 205.965499][ C1] hrtimer_interrupt+0x5a1/0x9c0 [ 205.965529][ C1] __sysvec_apic_timer_interrupt+0xfb/0x3b0 [ 205.965550][ C1] sysvec_apic_timer_interrupt+0x9f/0xc0 [ 205.965575][ C1] [ 205.965579][ C1] [ 205.965584][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 205.965611][ C1] RIP: 0010:_raw_spin_unlock_irq+0x29/0x50 [ 205.965637][ C1] 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 [ 205.965649][ C1] RSP: 0018:ffffc9000477fc98 EFLAGS: 00000282 [ 205.965661][ C1] RAX: 5387cfc5e641e300 RBX: ffff88802e8b9bc0 RCX: 5387cfc5e641e300 [ 205.965673][ C1] RDX: dffffc0000000000 RSI: ffffffff8aaaba40 RDI: 0000000000000001 [ 205.965683][ C1] RBP: ffff88802e8ba058 R08: ffffffff8e4a84ef R09: 1ffffffff1c9509d [ 205.965694][ C1] R10: dffffc0000000000 R11: fffffbfff1c9509e R12: 1ffff11005d1740b [ 205.965706][ C1] R13: 0000000000000021 R14: dffffc0000000000 R15: 0000000000000000 [ 205.965724][ C1] ? _raw_spin_unlock_irq+0x23/0x50 [ 205.965747][ C1] get_signal+0x11f5/0x1400 [ 205.965784][ C1] arch_do_signal_or_restart+0x96/0x780 [ 205.965811][ C1] ? get_sigframe_size+0x20/0x20 [ 205.965841][ C1] ? exit_to_user_mode_loop+0x3b/0x110 [ 205.965865][ C1] exit_to_user_mode_loop+0x70/0x110 [ 205.965888][ C1] exit_to_user_mode_prepare+0xb1/0x140 [ 205.965911][ C1] syscall_exit_to_user_mode+0x1a/0x50 [ 205.965934][ C1] do_syscall_64+0x61/0xb0 [ 205.965951][ C1] ? clear_bhb_loop+0x40/0x90 [ 205.965964][ C1] ? clear_bhb_loop+0x40/0x90 [ 205.965979][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 205.966004][ C1] RIP: 0033:0x7f69f7523899 [ 205.966024][ C1] 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 [ 205.966036][ C1] RSP: 002b:00007fff2cc72868 EFLAGS: 00000246 [ 205.966047][ C1] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007f69f7523899 [ 205.966056][ C1] RDX: 000020000006b000 RSI: 0000000000000000 RDI: 0000000000000000 [ 205.966065][ C1] RBP: 0000000000000000 R08: 00007f69f74e3990 R09: 00007f69f74e3990 [ 205.966075][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f69f758133c [ 205.966085][ C1] R13: 00007f69f757b106 R14: 00007fff2cc728a0 R15: 0000000000000000 [ 205.966103][ C1] [ 205.966108][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.008 msecs