Warning: Permanently added '10.128.10.26' (ED25519) to the list of known hosts. [ 197.128096][ T5092] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 197.138437][ T5092] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 197.146057][ T5094] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 197.153801][ T5094] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 197.161277][ T5092] Bluetooth: hci5: unexpected cc 0x0c03 length: 249 > 1 [ 197.169071][ T5094] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 197.171295][ T5092] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 197.177105][ T5094] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 197.184173][ T5095] Bluetooth: hci5: unexpected cc 0x1003 length: 249 > 9 [ 197.190642][ T5094] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 197.197749][ T5092] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 197.205172][ T5094] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 197.211381][ T5095] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 197.218675][ T5094] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 197.225607][ T5092] Bluetooth: hci5: unexpected cc 0x1001 length: 249 > 9 [ 197.232858][ T5094] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 197.239626][ T5095] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 197.246541][ T5094] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 197.253900][ T5095] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 197.260920][ T5094] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 197.267410][ T5095] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 197.273913][ T5098] Bluetooth: hci5: unexpected cc 0x0c23 length: 249 > 4 [ 197.281953][ T5095] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 197.287998][ T5094] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 197.296767][ T5095] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 197.302061][ T5098] Bluetooth: hci5: unexpected cc 0x0c25 length: 249 > 3 [ 197.308408][ T4454] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 197.316531][ T5098] Bluetooth: hci5: unexpected cc 0x0c38 length: 249 > 2 [ 197.322513][ T5095] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 197.338788][ T4454] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 197.346162][ T4454] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 197.353409][ T5091] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 197.363579][ T4454] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 197.372744][ T5095] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 197.383291][ T5095] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 197.392538][ T5098] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 302.693216][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 302.700249][ C1] rcu: (detected by 1, t=10502 jiffies, g=4761, q=30 ncpus=2) [ 302.707802][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10500 (4294967426-4294956926), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 302.721171][ C1] rcu: rcu_preempt kthread starved for 10500 jiffies! g4761 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 302.732282][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 302.742257][ C1] rcu: RCU grace-period kthread stack dump: [ 302.748147][ C1] task:rcu_preempt state:R running task stack:28096 pid:17 tgid:17 ppid:2 flags:0x00004000 [ 302.759888][ C1] Call Trace: [ 302.763176][ C1] [ 302.766118][ C1] __schedule+0xf12/0x5c00 [ 302.770574][ C1] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 302.776575][ C1] ? io_schedule_timeout+0x150/0x150 [ 302.781875][ C1] ? schedule+0x1fc/0x270 [ 302.786220][ C1] ? reacquire_held_locks+0x4c0/0x4c0 [ 302.791602][ C1] ? timer_fixup_activate+0x220/0x220 [ 302.796999][ C1] ? lock_acquire+0x1ae/0x520 [ 302.801688][ C1] ? lockdep_init_map_type+0x16d/0x7d0 [ 302.807166][ C1] schedule+0xe9/0x270 [ 302.811250][ C1] schedule_timeout+0x137/0x290 [ 302.816124][ C1] ? usleep_range_state+0x1a0/0x1a0 [ 302.821342][ C1] ? do_init_timer+0x100/0x100 [ 302.826133][ C1] ? _raw_spin_unlock_irqrestore+0x3b/0x70 [ 302.831963][ C1] ? prepare_to_swait_event+0xf4/0x470 [ 302.837437][ C1] rcu_gp_fqs_loop+0x1ec/0xb10 [ 302.842219][ C1] ? rcu_check_gp_kthread_starvation+0x450/0x450 [ 302.848663][ C1] ? _raw_spin_unlock_irqrestore+0x4e/0x70 [ 302.854493][ C1] rcu_gp_kthread+0x24b/0x380 [ 302.859192][ C1] ? rcu_gp_init+0x1510/0x1510 [ 302.863975][ C1] ? lockdep_hardirqs_on+0x7d/0x110 [ 302.869196][ C1] ? __kthread_parkme+0x14b/0x220 [ 302.874240][ C1] ? rcu_gp_init+0x1510/0x1510 [ 302.879019][ C1] kthread+0x2c6/0x3a0 [ 302.883106][ C1] ? _raw_spin_unlock_irq+0x23/0x50 [ 302.888319][ C1] ? kthread_complete_and_exit+0x40/0x40 [ 302.893972][ C1] ret_from_fork+0x45/0x80 [ 302.898407][ C1] ? kthread_complete_and_exit+0x40/0x40 [ 302.904055][ C1] ret_from_fork_asm+0x11/0x20 [ 302.908847][ C1] [ 302.911870][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 302.918197][ C1] Sending NMI from CPU 1 to CPUs 0: [ 302.923409][ C0] NMI backtrace for cpu 0 [ 302.923417][ C0] CPU: 0 PID: 5109 Comm: syz-executor219 Not tainted 6.8.0-rc2-syzkaller-00043-g2a6526c4f389 #0 [ 302.923438][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 302.923444][ C0] RIP: 0010:lock_acquire+0x159/0x520 [ 302.923459][ C0] Code: e9 03 0f b6 0c 01 48 89 f8 83 e0 07 83 c0 03 38 c8 7c 08 84 c9 0f 85 7d 03 00 00 8b 92 bc 0a 00 00 85 d2 0f 85 d2 00 00 00 9c <8f> 44 24 08 48 8b 6c 24 08 fa 48 c7 c7 c0 b2 cc 8a e8 01 e4 25 09 [ 302.923469][ C0] RSP: 0018:ffffc900045afbe0 EFLAGS: 00000246 [ 302.923479][ C0] RAX: 0000000000000007 RBX: 1ffff920008b5f7f RCX: 0000000000000000 [ 302.923486][ C0] RDX: 0000000000000000 RSI: ffffffff8b2fdb80 RDI: ffff8880740c287c [ 302.923492][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: fffffbfff1e76002 [ 302.923499][ C0] R10: ffffffff8f3b0017 R11: 0000000000000000 R12: 0000000000000001 [ 302.923505][ C0] R13: 0000000000000000 R14: ffff888020e4baa0 R15: 0000000000000000 [ 302.923514][ C0] FS: 0000555556be73c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 302.923525][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 302.923533][ C0] CR2: 000000002006b000 CR3: 000000007413e000 CR4: 0000000000350ef0 [ 302.923539][ C0] Call Trace: [ 302.923544][ C0] [ 302.923548][ C0] ? show_regs+0x8f/0xa0 [ 302.923563][ C0] ? nmi_cpu_backtrace+0x1d4/0x390 [ 302.923578][ C0] ? nmi_cpu_backtrace_handler+0xc/0x10 [ 302.923594][ C0] ? nmi_handle+0x1a6/0x570 [ 302.923606][ C0] ? x86_pmu_event_mapped+0x1c0/0x1c0 [ 302.923624][ C0] ? lock_acquire+0x159/0x520 [ 302.923634][ C0] ? default_do_nmi+0x6a/0x160 [ 302.923651][ C0] ? exc_nmi+0x186/0x200 [ 302.923667][ C0] ? end_repeat_nmi+0xf/0x2a [ 302.923684][ C0] ? lock_acquire+0x159/0x520 [ 302.923693][ C0] ? lock_acquire+0x159/0x520 [ 302.923703][ C0] ? lock_acquire+0x159/0x520 [ 302.923713][ C0] [ 302.923716][ C0] [ 302.923720][ C0] ? lock_sync+0x190/0x190 [ 302.923731][ C0] ? preempt_count_sub+0x160/0x160 [ 302.923743][ C0] ? __might_fault+0xe6/0x1a0 [ 302.923760][ C0] __might_fault+0x11f/0x1a0 [ 302.923776][ C0] ? __might_fault+0xe6/0x1a0 [ 302.923791][ C0] ? siginfo_layout+0x177/0x280 [ 302.923803][ C0] __rseq_handle_notify_resume+0x14c/0x1020 [ 302.923815][ C0] ? get_signal+0x177/0x2790 [ 302.923828][ C0] ? __do_sys_rseq+0x750/0x750 [ 302.923845][ C0] ? exit_signals+0x960/0x960 [ 302.923857][ C0] ? do_sigaltstack.constprop.0+0x550/0x810 [ 302.923869][ C0] arch_do_signal_or_restart+0x431/0x7f0 [ 302.923886][ C0] ? get_sigframe_size+0x20/0x20 [ 302.923900][ C0] ? _raw_spin_unlock_irq+0x23/0x50 [ 302.923917][ C0] ? __do_sys_rt_sigreturn+0x168/0x230 [ 302.923933][ C0] ? x64_setup_rt_frame+0xcc0/0xcc0 [ 302.923950][ C0] syscall_exit_to_user_mode+0x156/0x2b0 [ 302.923962][ C0] do_syscall_64+0xe0/0x250 [ 302.923978][ C0] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 302.923991][ C0] RIP: 0033:0x7f0aa4aa9e79 [ 302.924000][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 18 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 [ 302.924009][ C0] RSP: 002b:00007ffe50d5e2f8 EFLAGS: 00000246 [ 302.924017][ C0] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007f0aa4aa9e79 [ 302.924023][ C0] RDX: 000000002006b000 RSI: 0000000000000000 RDI: 0000000000000000 [ 302.924029][ C0] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000 [ 302.924035][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555556be7370 [ 302.924042][ C0] R13: 0000000000000002 R14: 00007ffe50d5e370 R15: 00007ffe50d5e360 [ 302.924052][ C0]