Warning: Permanently added '10.128.1.112' (ED25519) to the list of known hosts. [ 217.280439][ T5107] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 217.300224][ T5117] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 217.310961][ T5117] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 217.318356][ T5118] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 217.326497][ T5118] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 217.329160][ T5120] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 217.334451][ T5117] Bluetooth: hci5: unexpected cc 0x0c03 length: 249 > 1 [ 217.342048][ T5120] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 217.356006][ T5117] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 217.358086][ T5120] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 217.363922][ T5117] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 217.371806][ T5120] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 217.378940][ T5117] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 217.384659][ T5120] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 217.391768][ T5117] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 217.398264][ T5120] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 217.405495][ T5117] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 217.412252][ T5120] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 217.427858][ T5120] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 217.429350][ T5109] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 217.436318][ T5122] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 217.443747][ T5109] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 217.450036][ T5122] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 217.464191][ T5122] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 217.471360][ T5109] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 217.471373][ T5121] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 217.471523][ T5121] Bluetooth: hci5: unexpected cc 0x1003 length: 249 > 9 [ 217.492927][ T4478] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 217.493659][ T5121] Bluetooth: hci5: unexpected cc 0x1001 length: 249 > 9 [ 217.514081][ T5121] Bluetooth: hci5: unexpected cc 0x0c23 length: 249 > 4 [ 217.521797][ T5109] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 217.522374][ T5121] Bluetooth: hci5: unexpected cc 0x0c25 length: 249 > 3 [ 217.536545][ T5109] Bluetooth: hci5: unexpected cc 0x0c38 length: 249 > 2 [ 217.536641][ T5121] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 217.549376][ T5109] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 217.553031][ T5121] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 323.007815][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 323.014889][ C0] rcu: (detected by 0, t=10502 jiffies, g=7097, q=12 ncpus=2) [ 323.022460][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10500 (4294969452-4294958952), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 323.036286][ C0] rcu: rcu_preempt kthread starved for 10500 jiffies! g7097 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 323.047419][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 323.057404][ C0] rcu: RCU grace-period kthread stack dump: [ 323.063301][ C0] task:rcu_preempt state:R running task stack:26256 pid:16 tgid:16 ppid:2 flags:0x00004000 [ 323.075073][ C0] Call Trace: [ 323.078372][ C0] [ 323.081331][ C0] __schedule+0x17e8/0x4a50 [ 323.085931][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 323.091696][ C0] ? __pfx___schedule+0x10/0x10 [ 323.096591][ C0] ? __pfx_lock_release+0x10/0x10 [ 323.101648][ C0] ? __asan_memset+0x23/0x50 [ 323.106298][ C0] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 323.112136][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 323.118496][ C0] ? schedule+0x90/0x320 [ 323.122786][ C0] schedule+0x14b/0x320 [ 323.126987][ C0] schedule_timeout+0x1be/0x310 [ 323.131881][ C0] ? __pfx_schedule_timeout+0x10/0x10 [ 323.137295][ C0] ? __pfx_process_timeout+0x10/0x10 [ 323.142621][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 323.148295][ C0] ? prepare_to_swait_event+0x32e/0x350 [ 323.153894][ C0] rcu_gp_fqs_loop+0x2df/0x1370 [ 323.158782][ C0] ? lockdep_hardirqs_on+0x99/0x150 [ 323.164031][ C0] ? __pfx_dyntick_save_progress_counter+0x10/0x10 [ 323.170563][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 323.176231][ C0] ? lockdep_hardirqs_on+0x99/0x150 [ 323.181559][ C0] ? __pfx_rcu_gp_fqs_loop+0x10/0x10 [ 323.186883][ C0] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 323.192821][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 323.198494][ C0] ? finish_swait+0xd4/0x1e0 [ 323.203122][ C0] rcu_gp_kthread+0xa7/0x3b0 [ 323.207739][ C0] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 323.212965][ C0] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 323.218902][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 323.224570][ C0] ? __kthread_parkme+0x169/0x1d0 [ 323.229632][ C0] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 323.234858][ C0] kthread+0x2f2/0x390 [ 323.238987][ C0] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 323.244211][ C0] ? __pfx_kthread+0x10/0x10 [ 323.248841][ C0] ret_from_fork+0x4d/0x80 [ 323.253299][ C0] ? __pfx_kthread+0x10/0x10 [ 323.257925][ C0] ret_from_fork_asm+0x1a/0x30 [ 323.262745][ C0] [ 323.265789][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 323.272122][ C0] Sending NMI from CPU 0 to CPUs 1: [ 323.277349][ C1] NMI backtrace for cpu 1 [ 323.277361][ C1] CPU: 1 PID: 5127 Comm: syz-executor844 Not tainted 6.9.0-rc5-syzkaller-00031-g71b1543c83d6 #0 [ 323.277385][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 323.277399][ C1] RIP: 0010:rcu_is_watching+0x0/0xb0 [ 323.277428][ C1] Code: 4c 89 f6 e8 82 71 6c 03 e9 2b ff ff ff e8 68 6b 03 0a 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 41 57 41 56 53 65 ff 05 08 82 87 7e e8 9b 89 03 0a 89 [ 323.277446][ C1] RSP: 0018:ffffc90000a08bc0 EFLAGS: 00000046 [ 323.277466][ C1] RAX: 0000000000000001 RBX: 0000000000000000 RCX: ffff88807e7bbc00 [ 323.277482][ C1] RDX: ffff88807e7bbc00 RSI: 0000000000000001 RDI: 0000000000000000 [ 323.277496][ C1] RBP: ffffc90000a08c80 R08: ffffffff815c5b50 R09: 1ffffffff25e64a0 [ 323.277514][ C1] R10: dffffc0000000000 R11: fffffbfff25e64a1 R12: ffff888028658940 [ 323.277531][ C1] R13: 1ffff1100fcf78a2 R14: ffff88807e7bc510 R15: 1ffff92000141190 [ 323.277552][ C1] FS: 0000555584b6f3c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 323.277572][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 323.277588][ C1] CR2: 000000002006b000 CR3: 000000002281c000 CR4: 0000000000350ef0 [ 323.277606][ C1] Call Trace: [ 323.277615][ C1] [ 323.277624][ C1] ? nmi_cpu_backtrace+0x3c2/0x4d0 [ 323.277649][ C1] ? __pfx_lock_acquire+0x10/0x10 [ 323.277676][ C1] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 323.277700][ C1] ? nmi_handle+0x2a/0x5a0 [ 323.277737][ C1] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 323.277768][ C1] ? nmi_handle+0x151/0x5a0 [ 323.277792][ C1] ? nmi_handle+0x2a/0x5a0 [ 323.277818][ C1] ? __pfx_rcu_is_watching+0x10/0x10 [ 323.277843][ C1] ? default_do_nmi+0x63/0x160 [ 323.277869][ C1] ? exc_nmi+0x123/0x1f0 [ 323.277893][ C1] ? end_repeat_nmi+0xf/0x53 [ 323.277926][ C1] ? __lock_task_sighand+0x110/0x2e0 [ 323.277962][ C1] ? __pfx_rcu_is_watching+0x10/0x10 [ 323.277989][ C1] ? __pfx_rcu_is_watching+0x10/0x10 [ 323.278016][ C1] ? __pfx_rcu_is_watching+0x10/0x10 [ 323.278043][ C1] [ 323.278050][ C1] [ 323.278057][ C1] rcu_read_lock_held+0x15/0x50 [ 323.278085][ C1] __lock_task_sighand+0x119/0x2e0 [ 323.278117][ C1] ? __lock_task_sighand+0x29/0x2e0 [ 323.278153][ C1] send_sigqueue+0x25d/0x760 [ 323.278191][ C1] ? send_sigqueue+0x111/0x760 [ 323.278226][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 323.278258][ C1] ? __pfx_send_sigqueue+0x10/0x10 [ 323.278303][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 323.278333][ C1] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 323.278372][ C1] posix_timer_fn+0x18a/0x3a0 [ 323.278406][ C1] ? __pfx_posix_timer_fn+0x10/0x10 [ 323.278436][ C1] __hrtimer_run_queues+0x5a7/0xd50 [ 323.278484][ C1] ? __pfx___hrtimer_run_queues+0x10/0x10 [ 323.278516][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 323.278547][ C1] ? ktime_get_update_offsets_now+0x411/0x430 [ 323.278579][ C1] hrtimer_interrupt+0x396/0x990 [ 323.278630][ C1] __sysvec_apic_timer_interrupt+0x112/0x3f0 [ 323.278671][ C1] sysvec_apic_timer_interrupt+0xa1/0xc0 [ 323.278703][ C1] [ 323.278710][ C1] [ 323.278719][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 323.278748][ C1] RIP: 0010:_raw_spin_unlock_irq+0x29/0x50 [ 323.278782][ C1] Code: 90 f3 0f 1e fa 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 1a 18 e8 f5 48 89 df e8 32 58 e9 f5 e8 fd b4 12 f6 fb bf 01 00 00 00 f2 1d db f5 65 8b 05 63 4a 79 74 85 c0 74 06 5b e9 9c b7 25 00 [ 323.278800][ C1] RSP: 0018:ffffc900047ffc70 EFLAGS: 00000282 [ 323.278818][ C1] RAX: 63e827c788281200 RBX: ffff888028658940 RCX: ffffffff9472a603 [ 323.278836][ C1] RDX: dffffc0000000000 RSI: ffffffff8bcab8a0 RDI: 0000000000000001 [ 323.278852][ C1] RBP: ffffc900047ffdb0 R08: ffffffff8fa8e32f R09: 1ffffffff1f51c65 [ 323.278869][ C1] R10: dffffc0000000000 R11: fffffbfff1f51c66 R12: 0000000000000021 [ 323.278886][ C1] R13: 1ffff110050cb1bb R14: ffff888028658dd8 R15: ffff888028658940 [ 323.278917][ C1] get_signal+0x14dd/0x1740 [ 323.278951][ C1] ? __pfx_get_signal+0x10/0x10 [ 323.278981][ C1] arch_do_signal_or_restart+0x96/0x860 [ 323.279017][ C1] ? __pfx_arch_do_signal_or_restart+0x10/0x10 [ 323.279049][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 323.279083][ C1] ? syscall_exit_to_user_mode+0xa3/0x370 [ 323.279119][ C1] syscall_exit_to_user_mode+0xc9/0x370 [ 323.279155][ C1] do_syscall_64+0x102/0x240 [ 323.279189][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 323.279222][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 323.279249][ C1] RIP: 0033:0x7f84553a3e79 [ 323.279267][ 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 [ 323.279290][ C1] RSP: 002b:00007fffe1fd3438 EFLAGS: 00000246 [ 323.279307][ C1] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007f84553a3e79 [ 323.279322][ C1] RDX: 000000002006b000 RSI: 0000000000000000 RDI: 0000000000000000 [ 323.279337][ C1] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000 [ 323.279351][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555584b6f370 [ 323.279365][ C1] R13: 0000000000000005 R14: 00007fffe1fd34b0 R15: 00007fffe1fd34a0 [ 323.279394][ C1] [ 323.279403][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 2.054 msecs