Warning: Permanently added '10.128.1.92' (ED25519) to the list of known hosts. [ 79.518635][ T50] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 79.527045][ T50] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 79.527644][ T5801] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 79.534748][ T50] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 79.542909][ T5801] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 79.549466][ T50] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 79.556972][ T5801] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 79.571133][ T50] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 79.573782][ T5801] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 79.586818][ T50] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 79.590280][ T5801] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 79.594249][ T50] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 79.602375][ T5797] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 79.609784][ T5100] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 79.616061][ T5797] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 79.622745][ T5100] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 79.629577][ T5797] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 79.644473][ T5797] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 79.652397][ T5797] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 79.655538][ T5100] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 79.672888][ T5798] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 79.673418][ T5100] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 79.688269][ T5798] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 79.696036][ T5798] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 184.993803][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 185.000914][ C0] rcu: (detected by 0, t=10502 jiffies, g=6989, q=263 ncpus=2) [ 185.008560][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294955588-4294945085), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 185.022183][ C0] rcu: rcu_preempt kthread starved for 10504 jiffies! g6989 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 185.033310][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 185.043476][ C0] rcu: RCU grace-period kthread stack dump: [ 185.049394][ C0] task:rcu_preempt state:R running task stack:27528 pid:17 ppid:2 flags:0x00004000 [ 185.060302][ C0] Call Trace: [ 185.063599][ C0] [ 185.066918][ C0] __schedule+0x14d2/0x44d0 [ 185.071516][ C0] ? _raw_spin_unlock_irqrestore+0x86/0x110 [ 185.077523][ C0] ? lockdep_hardirqs_on+0x98/0x150 [ 185.082744][ C0] ? _raw_spin_unlock_irqrestore+0xae/0x110 [ 185.088659][ C0] ? asan.module_dtor+0x20/0x20 [ 185.093537][ C0] ? enqueue_timer+0x225/0x530 [ 185.098845][ C0] ? __mod_timer+0x984/0xdb0 [ 185.103733][ C0] schedule+0xbd/0x170 [ 185.107924][ C0] schedule_timeout+0x160/0x280 [ 185.112802][ C0] ? console_conditional_schedule+0x40/0x40 [ 185.118722][ C0] ? update_process_times+0x1b0/0x1b0 [ 185.124579][ C0] ? prepare_to_swait_event+0x339/0x360 [ 185.130252][ C0] rcu_gp_fqs_loop+0x302/0x1560 [ 185.135156][ C0] ? rcu_gp_init+0x110e/0x1510 [ 185.139945][ C0] ? rcu_gp_kthread+0x380/0x380 [ 185.144815][ C0] ? lockdep_hardirqs_on_prepare+0x400/0x760 [ 185.150896][ C0] ? rcu_gp_init+0x1510/0x1510 [ 185.155681][ C0] ? rcu_gp_cleanup+0xb4c/0xca0 [ 185.160547][ C0] ? _raw_spin_unlock_irq+0x23/0x50 [ 185.165762][ C0] ? lockdep_hardirqs_on+0x98/0x150 [ 185.170977][ C0] rcu_gp_kthread+0x99/0x380 [ 185.175591][ C0] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 185.181443][ C0] ? __kthread_parkme+0x7a/0x1c0 [ 185.186698][ C0] ? __kthread_parkme+0x162/0x1c0 [ 185.191869][ C0] kthread+0x2fa/0x390 [ 185.196040][ C0] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 185.201175][ C0] ? kthread_blkcg+0xd0/0xd0 [ 185.205862][ C0] ret_from_fork+0x48/0x80 [ 185.210292][ C0] ? kthread_blkcg+0xd0/0xd0 [ 185.214893][ C0] ret_from_fork_asm+0x11/0x20 [ 185.219686][ C0] [ 185.222725][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 185.229081][ C0] CPU: 0 PID: 5812 Comm: syz-executor309 Not tainted 6.6.101-syzkaller #0 [ 185.237590][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 185.247750][ C0] RIP: 0010:_raw_spin_unlock_irq+0x29/0x50 [ 185.254039][ C0] 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 [ 185.273943][ C0] RSP: 0018:ffffc900048afc98 EFLAGS: 00000282 [ 185.280117][ C0] RAX: 6c0e625c777f6100 RBX: ffff88802fdf6f00 RCX: 6c0e625c777f6100 [ 185.288188][ C0] RDX: dffffc0000000000 RSI: ffffffff8aaaba40 RDI: 0000000000000001 [ 185.296171][ C0] RBP: ffff88802fdf7398 R08: ffffffff8e4a84ef R09: 1ffffffff1c9509d [ 185.304343][ C0] R10: dffffc0000000000 R11: fffffbfff1c9509e R12: 1ffff11005fbee73 [ 185.312420][ C0] R13: 0000000000000021 R14: dffffc0000000000 R15: 0000000000000000 [ 185.320520][ C0] FS: 00005555838573c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 [ 185.329571][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 185.336189][ C0] CR2: 000020000006b000 CR3: 000000002e7b7000 CR4: 00000000003506f0 [ 185.344283][ C0] Call Trace: [ 185.347926][ C0] [ 185.350876][ C0] get_signal+0x11f5/0x1400 [ 185.355417][ C0] arch_do_signal_or_restart+0x96/0x780 [ 185.361003][ C0] ? get_sigframe_size+0x20/0x20 [ 185.366071][ C0] ? exit_to_user_mode_loop+0x3b/0x110 [ 185.371576][ C0] exit_to_user_mode_loop+0x70/0x110 [ 185.376880][ C0] exit_to_user_mode_prepare+0xb1/0x140 [ 185.382439][ C0] syscall_exit_to_user_mode+0x1a/0x50 [ 185.387935][ C0] do_syscall_64+0x61/0xb0 [ 185.392389][ C0] ? clear_bhb_loop+0x40/0x90 [ 185.397280][ C0] ? clear_bhb_loop+0x40/0x90 [ 185.401982][ C0] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 185.407980][ C0] RIP: 0033:0x7f3d485dbb59 [ 185.412437][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 1a 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 [ 185.432425][ C0] RSP: 002b:00007fff5af13d98 EFLAGS: 00000246 [ 185.438522][ C0] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007f3d485dbb59 [ 185.446699][ C0] RDX: 000020000006b000 RSI: 0000000000000000 RDI: 0000000000000000 [ 185.454791][ C0] RBP: 0000000000000000 R08: 00007fff5af13dd0 R09: 00007fff5af13dd0 [ 185.462916][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3d48665488 [ 185.471014][ C0] R13: 00007fff5af13dbc R14: 0000000000000000 R15: 431bde82d7b634db [ 185.479120][ C0]