Warning: Permanently added '10.128.1.35' (ED25519) to the list of known hosts. [ 193.182099][ T5089] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 193.210823][ T5096] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 193.221600][ T5098] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 193.237897][ T5098] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 193.245289][ T5099] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 193.247136][ T5098] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 193.253370][ T5099] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 193.268000][ T5099] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 193.270117][ T5098] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 193.275814][ T5099] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 193.283707][ T5098] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 193.290992][ T5099] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 193.299514][ T5098] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 193.304566][ T5099] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 193.311827][ T5098] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 193.318040][ T5099] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 193.325646][ T5098] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 193.338805][ T4456] Bluetooth: hci5: unexpected cc 0x0c03 length: 249 > 1 [ 193.339102][ T5098] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 193.354215][ T5098] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 193.361605][ T5099] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 193.362759][ T5098] Bluetooth: hci5: unexpected cc 0x1003 length: 249 > 9 [ 193.370376][ T5099] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 193.378416][ T5089] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 193.383444][ T5099] Bluetooth: hci5: unexpected cc 0x1001 length: 249 > 9 [ 193.391864][ T5089] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 193.398192][ T5099] Bluetooth: hci5: unexpected cc 0x0c23 length: 249 > 4 [ 193.410644][ T5103] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 193.411776][ T5099] Bluetooth: hci5: unexpected cc 0x0c25 length: 249 > 3 [ 193.418474][ T5103] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 193.425374][ T5099] Bluetooth: hci5: unexpected cc 0x0c38 length: 249 > 2 [ 193.437569][ T5103] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 193.440934][ T5099] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 193.460208][ T5099] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 193.467414][ T51] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 193.475032][ T51] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 298.997230][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 299.004423][ C1] rcu: (detected by 1, t=10502 jiffies, g=8665, q=6 ncpus=2) [ 299.011921][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10500 (4294966968-4294956468), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 299.025340][ C1] rcu: rcu_preempt kthread starved for 10500 jiffies! g8665 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 299.036505][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 299.046523][ C1] rcu: RCU grace-period kthread stack dump: [ 299.052444][ C1] task:rcu_preempt state:R running task stack:28160 pid:17 tgid:17 ppid:2 flags:0x00004000 [ 299.064253][ C1] Call Trace: [ 299.067567][ C1] [ 299.070576][ C1] __schedule+0xf15/0x5ce0 [ 299.075208][ C1] ? __pfx___lock_acquire+0x10/0x10 [ 299.080534][ C1] ? __pfx___schedule+0x10/0x10 [ 299.085455][ C1] ? schedule+0x298/0x350 [ 299.089849][ C1] ? __pfx_lock_release+0x10/0x10 [ 299.094932][ C1] ? __pfx___mod_timer+0x10/0x10 [ 299.099999][ C1] ? lock_acquire+0x1b1/0x540 [ 299.104736][ C1] ? lockdep_init_map_type+0x16d/0x7d0 [ 299.110265][ C1] schedule+0xe7/0x350 [ 299.114400][ C1] schedule_timeout+0x136/0x2a0 [ 299.119348][ C1] ? __pfx_schedule_timeout+0x10/0x10 [ 299.124799][ C1] ? __pfx_process_timeout+0x10/0x10 [ 299.130157][ C1] ? _raw_spin_unlock_irqrestore+0x3b/0x80 [ 299.136033][ C1] ? prepare_to_swait_event+0xf0/0x470 [ 299.141571][ C1] rcu_gp_fqs_loop+0x1eb/0xb10 [ 299.146429][ C1] ? __pfx_rcu_gp_fqs_loop+0x10/0x10 [ 299.151784][ C1] ? _raw_spin_unlock_irqrestore+0x52/0x80 [ 299.157690][ C1] rcu_gp_kthread+0x245/0x380 [ 299.162420][ C1] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 299.167673][ C1] ? lockdep_hardirqs_on+0x7c/0x110 [ 299.172983][ C1] ? __kthread_parkme+0x148/0x220 [ 299.178095][ C1] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 299.183348][ C1] kthread+0x2c1/0x3a0 [ 299.187479][ C1] ? _raw_spin_unlock_irq+0x23/0x50 [ 299.192743][ C1] ? __pfx_kthread+0x10/0x10 [ 299.197397][ C1] ret_from_fork+0x45/0x80 [ 299.201893][ C1] ? __pfx_kthread+0x10/0x10 [ 299.206551][ C1] ret_from_fork_asm+0x1a/0x30 [ 299.211431][ C1] [ 299.214500][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 299.220847][ C1] CPU: 1 PID: 5107 Comm: syz-executor400 Not tainted 6.8.0-rc1-next-20240124-syzkaller #0 [ 299.230777][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 299.240872][ C1] RIP: 0010:_raw_spin_unlock_irq+0x29/0x50 [ 299.246746][ C1] Code: 90 f3 0f 1e fa 53 48 8b 74 24 08 48 89 fb 48 83 c7 18 e8 da d6 a6 f6 48 89 df e8 42 52 a7 f6 e8 fd 7f ce f6 fb bf 01 00 00 00 02 99 98 f6 65 8b 05 53 06 3f 75 85 c0 74 06 5b c3 cc cc cc cc [ 299.266412][ C1] RSP: 0018:ffffc9000388fcf8 EFLAGS: 00000206 [ 299.272648][ C1] RAX: 00000000031a4e11 RBX: ffff88802a3d9bc0 RCX: 1ffffffff1f367b9 [ 299.280685][ C1] RDX: 0000000000000000 RSI: ffffffff8b0cbe20 RDI: 0000000000000001 [ 299.288708][ C1] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 [ 299.296728][ C1] R10: ffffffff8f9b7057 R11: 0000000000000000 R12: ffff88802a3da058 [ 299.304756][ C1] R13: 0000000000000021 R14: ffff88802a3d9fc0 R15: 1ffff92000711fae [ 299.312881][ C1] FS: 00005555572cd3c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 299.321884][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 299.328536][ C1] CR2: 000000002006b000 CR3: 000000001fd84000 CR4: 00000000003506f0 [ 299.336574][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 299.344595][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 299.352611][ C1] Call Trace: [ 299.355924][ C1] [ 299.358805][ C1] ? show_regs+0x8e/0xa0 [ 299.363148][ C1] ? rcu_check_gp_kthread_starvation+0x31b/0x450 [ 299.369540][ C1] ? rcu_sched_clock_irq+0x2295/0x30f0 [ 299.375083][ C1] ? __pfx_rcu_sched_clock_irq+0x10/0x10 [ 299.380797][ C1] ? hrtimer_run_queues+0x97/0x440 [ 299.386015][ C1] ? rcu_read_lock_sched_held+0x3e/0x70 [ 299.391641][ C1] ? __pfx_tick_nohz_highres_handler+0x10/0x10 [ 299.397949][ C1] ? update_process_times+0x17a/0x220 [ 299.403393][ C1] ? __pfx_update_process_times+0x10/0x10 [ 299.409184][ C1] ? update_wall_time+0x1c/0x40 [ 299.414096][ C1] ? tick_sched_handle+0x8e/0x170 [ 299.419178][ C1] ? tick_nohz_highres_handler+0xed/0x120 [ 299.424952][ C1] ? __hrtimer_run_queues+0x657/0xc20 [ 299.430404][ C1] ? __pfx___hrtimer_run_queues+0x10/0x10 [ 299.436199][ C1] ? ktime_get_update_offsets_now+0x3bd/0x620 [ 299.442336][ C1] ? hrtimer_interrupt+0x31b/0x800 [ 299.447516][ C1] ? __sysvec_apic_timer_interrupt+0x10f/0x410 [ 299.453739][ C1] ? sysvec_apic_timer_interrupt+0x90/0xb0 [ 299.459597][ C1] [ 299.462560][ C1] [ 299.465528][ C1] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 299.471831][ C1] ? _raw_spin_unlock_irq+0x29/0x50 [ 299.477096][ C1] ? _raw_spin_unlock_irq+0x23/0x50 [ 299.482365][ C1] get_signal+0x187d/0x2760 [ 299.486960][ C1] ? __pfx_get_signal+0x10/0x10 [ 299.491871][ C1] ? do_sigaltstack.constprop.0+0x547/0x800 [ 299.497839][ C1] arch_do_signal_or_restart+0x90/0x7e0 [ 299.503442][ C1] ? __pfx_arch_do_signal_or_restart+0x10/0x10 [ 299.509666][ C1] ? _raw_spin_unlock_irq+0x23/0x50 [ 299.514950][ C1] ? __do_sys_rt_sigreturn+0x167/0x230 [ 299.520471][ C1] ? __pfx___do_sys_rt_sigreturn+0x10/0x10 [ 299.526344][ C1] syscall_exit_to_user_mode+0x153/0x2b0 [ 299.532034][ C1] do_syscall_64+0xe2/0x260 [ 299.536594][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 299.542610][ C1] RIP: 0033:0x7f9524ac9e79 [ 299.547070][ C1] 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 [ 299.567244][ C1] RSP: 002b:00007ffcd067b478 EFLAGS: 00000246 [ 299.573371][ C1] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007f9524ac9e79 [ 299.581379][ C1] RDX: 000000002006b000 RSI: 0000000000000000 RDI: 0000000000000000 [ 299.589391][ C1] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000 [ 299.597403][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 299.605416][ C1] R13: 0000000000000005 R14: 00007ffcd067b4f0 R15: 00007ffcd067b4e0 [ 299.613464][ C1]