Warning: Permanently added '10.128.0.104' (ED25519) to the list of known hosts. [ 335.199285][ T5111] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 335.237521][ T5118] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 335.247307][ T5118] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 335.256050][ T5118] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 335.264920][ T5118] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 335.272423][ T5120] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 335.280489][ T5120] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 335.283527][ T5121] Bluetooth: hci5: unexpected cc 0x0c03 length: 249 > 1 [ 335.289799][ T5118] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 335.296183][ T5121] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 335.302061][ T5120] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 335.310458][ T5121] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 335.317434][ T5120] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 335.325736][ T5121] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 335.331287][ T5120] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 335.337230][ T5121] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 335.344702][ T5120] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 335.351220][ T5121] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 335.359052][ T5118] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 335.364919][ T5121] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 335.372173][ T5120] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 335.379567][ T5124] Bluetooth: hci5: unexpected cc 0x1003 length: 249 > 9 [ 335.393436][ T5124] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 335.394500][ T5120] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 335.401076][ T5124] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 335.408142][ T5111] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 335.414587][ T5123] Bluetooth: hci5: unexpected cc 0x1001 length: 249 > 9 [ 335.422007][ T5120] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 335.431347][ T5124] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 335.444292][ T4466] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 335.462553][ T4466] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 335.470142][ T4466] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 335.477840][ T4466] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 335.490621][ T5103] Bluetooth: hci5: unexpected cc 0x0c23 length: 249 > 4 [ 335.513637][ T5109] Bluetooth: hci5: unexpected cc 0x0c25 length: 249 > 3 [ 335.526276][ T5109] Bluetooth: hci5: unexpected cc 0x0c38 length: 249 > 2 executing program executing program [ 441.212217][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 441.219314][ C1] rcu: (detected by 1, t=10502 jiffies, g=9517, q=6 ncpus=2) [ 441.226805][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10501 (4294981265-4294970764), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 441.240208][ C1] rcu: rcu_preempt kthread starved for 10502 jiffies! g9517 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 441.251359][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 441.261351][ C1] rcu: RCU grace-period kthread stack dump: [ 441.267255][ C1] task:rcu_preempt state:R running task stack:28736 pid:16 tgid:16 ppid:2 flags:0x00004000 [ 441.279049][ C1] Call Trace: [ 441.282353][ C1] [ 441.285322][ C1] __schedule+0xf15/0x5c70 [ 441.289819][ C1] ? __pfx___lock_acquire+0x10/0x10 [ 441.295075][ C1] ? srso_return_thunk+0x5/0x5f [ 441.299998][ C1] ? srso_return_thunk+0x5/0x5f [ 441.304920][ C1] ? __pfx___schedule+0x10/0x10 [ 441.309824][ C1] ? srso_return_thunk+0x5/0x5f [ 441.314738][ C1] ? schedule+0x298/0x350 [ 441.319119][ C1] ? __pfx_lock_release+0x10/0x10 [ 441.324187][ C1] ? __pfx___mod_timer+0x10/0x10 [ 441.329181][ C1] ? lock_acquire+0x1b1/0x540 [ 441.333902][ C1] ? srso_return_thunk+0x5/0x5f [ 441.338815][ C1] ? lockdep_init_map_type+0x16d/0x7d0 [ 441.344339][ C1] schedule+0xe7/0x350 [ 441.348469][ C1] schedule_timeout+0x136/0x2a0 [ 441.353366][ C1] ? __pfx_schedule_timeout+0x10/0x10 [ 441.358788][ C1] ? __pfx_process_timeout+0x10/0x10 [ 441.364145][ C1] ? srso_return_thunk+0x5/0x5f [ 441.369058][ C1] ? _raw_spin_unlock_irqrestore+0x3b/0x80 [ 441.374916][ C1] ? srso_return_thunk+0x5/0x5f [ 441.379829][ C1] ? prepare_to_swait_event+0xf0/0x470 [ 441.385348][ C1] rcu_gp_fqs_loop+0x1eb/0xb00 [ 441.390183][ C1] ? __pfx_rcu_gp_fqs_loop+0x10/0x10 [ 441.395541][ C1] ? __pfx_lock_release+0x10/0x10 [ 441.400615][ C1] ? srso_return_thunk+0x5/0x5f [ 441.405547][ C1] rcu_gp_kthread+0x271/0x380 [ 441.410294][ C1] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 441.415653][ C1] ? lockdep_hardirqs_on+0x7c/0x110 [ 441.420912][ C1] ? srso_return_thunk+0x5/0x5f [ 441.425826][ C1] ? srso_return_thunk+0x5/0x5f [ 441.430738][ C1] ? __kthread_parkme+0x148/0x220 [ 441.435828][ C1] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 441.441091][ C1] kthread+0x2c4/0x3a0 [ 441.445204][ C1] ? _raw_spin_unlock_irq+0x23/0x50 [ 441.450455][ C1] ? __pfx_kthread+0x10/0x10 [ 441.455094][ C1] ret_from_fork+0x48/0x80 [ 441.459576][ C1] ? __pfx_kthread+0x10/0x10 [ 441.464211][ C1] ret_from_fork_asm+0x1a/0x30 [ 441.469063][ C1] [ 441.472107][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 441.478455][ C1] CPU: 1 PID: 5131 Comm: syz-executor268 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0 [ 441.488651][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 441.498734][ C1] RIP: 0010:_raw_spin_unlock_irq+0x29/0x50 [ 441.504612][ C1] Code: 90 f3 0f 1e fa 53 48 8b 74 24 08 48 89 fb 48 83 c7 18 e8 5a 97 95 f6 48 89 df e8 c2 12 96 f6 e8 7d 5c be f6 fb bf 01 00 00 00 52 60 87 f6 65 8b 05 b3 e4 2c 75 85 c0 74 06 5b e9 81 38 00 00 [ 441.524261][ C1] RSP: 0018:ffffc90004647cf8 EFLAGS: 00000202 [ 441.530371][ C1] RAX: 00000000034259df RBX: ffff88802ec0dc80 RCX: 1ffffffff1f3e009 [ 441.538378][ C1] RDX: 0000000000000000 RSI: ffffffff8b0cc880 RDI: 0000000000000001 [ 441.546381][ C1] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 [ 441.554385][ C1] R10: ffffffff8f9f4317 R11: 0000000000000000 R12: ffff88802ec0e118 [ 441.562391][ C1] R13: 0000000000000021 R14: ffff88802ec0e080 R15: 1ffff920008c8fae [ 441.570400][ C1] FS: 000055558b4443c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 441.579373][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 441.585991][ C1] CR2: 000000002006b000 CR3: 0000000023836000 CR4: 0000000000350ef0 [ 441.594018][ C1] Call Trace: [ 441.597330][ C1] [ 441.600200][ C1] ? show_regs+0x8c/0xa0 [ 441.604491][ C1] ? rcu_check_gp_kthread_starvation+0x31b/0x450 [ 441.610890][ C1] ? rcu_sched_clock_irq+0x22a2/0x3100 [ 441.616419][ C1] ? __pfx_rcu_sched_clock_irq+0x10/0x10 [ 441.622100][ C1] ? srso_return_thunk+0x5/0x5f [ 441.627009][ C1] ? tmigr_requires_handle_remote+0x14c/0x480 [ 441.633136][ C1] ? __pfx_tmigr_requires_handle_remote+0x10/0x10 [ 441.639617][ C1] ? srso_return_thunk+0x5/0x5f [ 441.644530][ C1] ? hrtimer_run_queues+0x97/0x450 [ 441.649696][ C1] ? rcu_read_lock_sched_held+0x3e/0x70 [ 441.655310][ C1] ? update_process_times+0x175/0x220 [ 441.660733][ C1] ? __pfx_update_process_times+0x10/0x10 [ 441.666499][ C1] ? srso_return_thunk+0x5/0x5f [ 441.671420][ C1] ? tick_nohz_handler+0x376/0x530 [ 441.676595][ C1] ? __pfx_tick_nohz_handler+0x10/0x10 [ 441.682115][ C1] ? __hrtimer_run_queues+0x65a/0xc20 [ 441.687559][ C1] ? __pfx___hrtimer_run_queues+0x10/0x10 [ 441.693335][ C1] ? ktime_get_update_offsets_now+0x3bd/0x620 [ 441.699459][ C1] ? hrtimer_interrupt+0x31b/0x800 [ 441.704648][ C1] ? __sysvec_apic_timer_interrupt+0x112/0x410 [ 441.710848][ C1] ? sysvec_apic_timer_interrupt+0x90/0xb0 [ 441.716714][ C1] [ 441.719673][ C1] [ 441.722629][ C1] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 441.728866][ C1] ? _raw_spin_unlock_irq+0x29/0x50 [ 441.734117][ C1] ? _raw_spin_unlock_irq+0x23/0x50 [ 441.739367][ C1] get_signal+0x187d/0x2760 [ 441.743967][ C1] ? __pfx_get_signal+0x10/0x10 [ 441.748907][ C1] ? srso_return_thunk+0x5/0x5f [ 441.753819][ C1] ? srso_return_thunk+0x5/0x5f [ 441.758727][ C1] ? do_sigaltstack.constprop.0+0x547/0x800 [ 441.764674][ C1] arch_do_signal_or_restart+0x90/0x7e0 [ 441.770277][ C1] ? __pfx_arch_do_signal_or_restart+0x10/0x10 [ 441.776489][ C1] ? _raw_spin_unlock_irq+0x23/0x50 [ 441.781747][ C1] ? __do_sys_rt_sigreturn+0x167/0x230 [ 441.787262][ C1] ? __pfx___do_sys_rt_sigreturn+0x10/0x10 [ 441.793143][ C1] syscall_exit_to_user_mode+0x14a/0x2a0 [ 441.798844][ C1] do_syscall_64+0xe2/0x260 [ 441.803416][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.809374][ C1] RIP: 0033:0x7f0017c81e79 [ 441.813823][ 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 [ 441.833475][ C1] RSP: 002b:00007ffc3961a888 EFLAGS: 00000246 [ 441.839584][ C1] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007f0017c81e79 [ 441.847589][ C1] RDX: 000000002006b000 RSI: 0000000000000000 RDI: 0000000000000000 [ 441.855592][ C1] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000 [ 441.863596][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 000055558b444370 [ 441.871630][ C1] R13: 0000000000000005 R14: 00007ffc3961a900 R15: 00007ffc3961a8f0 [ 441.879661][ C1] [ 572.892199][ C0] BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 236s! [ 572.901683][ C0] Showing busy workqueues and worker pools: [ 572.907630][ C0] workqueue events: flags=0x0 [ 572.912438][ C0] pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=7 refcnt=8 [ 572.912511][ C0] pending: vmstat_shepherd, 3*l2cap_info_timeout, ovs_dp_masks_rebalance, kfree_rcu_monitor, ima_keys_handler [ 572.912727][ C0] pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=8 refcnt=9 [ 572.912796][ C0] pending: psi_avgs_work, 3*l2cap_info_timeout, 3*ovs_dp_masks_rebalance, kfree_rcu_monitor [ 572.912959][ C0] workqueue events_long: flags=0x0 [ 572.955257][ C0] pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=3 refcnt=4 [ 572.955328][ C0] pending: 3*defense_work_handler [ 572.955397][ C0] pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=4 refcnt=5 [ 572.955465][ C0] pending: 4*defense_work_handler [ 572.955532][ C0] workqueue events_unbound: flags=0x2 [ 572.986382][ C0] pwq 8: cpus=0-1 flags=0x4 nice=0 active=3 refcnt=4 [ 572.986445][ C0] pending: toggle_allocation_gate, flush_memcg_stats_dwork, crng_reseed [ 572.986584][ C0] workqueue events_power_efficient: flags=0x80 [ 573.008430][ C0] pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=3 refcnt=4 [ 573.008502][ C0] pending: neigh_managed_work, neigh_periodic_work, do_cache_clean [ 573.008595][ C0] pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=4 refcnt=5 [ 573.008663][ C0] pending: neigh_managed_work, gc_worker, check_lifetime, neigh_periodic_work [ 573.008796][ C0] workqueue mm_percpu_wq: flags=0x8 [ 573.046194][ C0] pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2 [ 573.046270][ C0] pending: vmstat_update [ 573.046328][ C0] pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2 [ 573.046396][ C0] pending: vmstat_update [ 573.046449][ C0] workqueue writeback: flags=0x4a [ 573.075329][ C0] pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=2 [ 573.075393][ C0] pending: wb_workfn [ 573.075457][ C0] workqueue kblockd: flags=0x18 [ 573.091446][ C0] pwq 7: cpus=1 node=0 flags=0x0 nice=-20 active=1 refcnt=2 [ 573.091517][ C0] pending: blk_mq_timeout_work [ 573.091619][ C0] workqueue dm_bufio_cache: flags=0x8 [ 573.109637][ C0] pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2 [ 573.109709][ C0] pending: work_fn [ 573.109770][ C0] workqueue ipv6_addrconf: flags=0x6000a [ 573.126839][ C0] pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=4 [ 573.126902][ C0] pending: addrconf_verify_work [ 573.126957][ C0] workqueue krxrpcd: flags=0x2001a [ 573.144195][ C0] pwq 9: cpus=0-1 node=0 flags=0x4 nice=-20 active=1 refcnt=7 [ 573.144268][ C0] pending: rxrpc_peer_keepalive_worker [ 573.144314][ C0] inactive: 3*rxrpc_peer_keepalive_worker [ 573.144373][ C0] workqueue hci0: flags=0x20012 [ 573.168796][ C0] pwq 9: cpus=0-1 node=0 flags=0x4 nice=-20 active=1 refcnt=5 [ 573.168868][ C0] pending: hci_cmd_timeout [ 573.168927][ C0] inactive: hci_conn_timeout [ 573.168967][ C0] workqueue hci1: flags=0x20012 [ 573.191238][ C0] pwq 9: cpus=0-1 node=0 flags=0x4 nice=-20 active=1 refcnt=5 [ 573.191309][ C0] pending: hci_cmd_timeout [ 573.191363][ C0] inactive: hci_conn_timeout [ 573.191403][ C0] workqueue hci2: flags=0x20012 [ 573.213687][ C0] pwq 9: cpus=0-1 node=0 flags=0x4 nice=-20 active=1 refcnt=5 [ 573.213758][ C0] pending: hci_cmd_timeout [ 573.213811][ C0] inactive: hci_conn_timeout [ 573.213851][ C0] workqueue hci3: flags=0x20012 [ 573.236109][ C0] pwq 9: cpus=0-1 node=0 flags=0x4 nice=-20 active=1 refcnt=5 [ 573.236180][ C0] pending: hci_cmd_timeout [ 573.236233][ C0] inactive: hci_conn_timeout [ 573.236273][ C0] workqueue hci4: flags=0x20012 [ 573.258538][ C0] pwq 9: cpus=0-1 node=0 flags=0x4 nice=-20 active=1 refcnt=5 [ 573.258609][ C0] pending: hci_cmd_timeout [ 573.258662][ C0] inactive: hci_conn_timeout [ 573.258701][ C0] workqueue hci5: flags=0x20012 [ 573.280956][ C0] pwq 9: cpus=0-1 node=0 flags=0x4 nice=-20 active=1 refcnt=5 [ 573.281027][ C0] pending: hci_cmd_timeout [ 573.281080][ C0] inactive: hci_conn_timeout [ 573.281148][ C0] Showing backtraces of running workers in stalled CPU-bound worker pools: