Warning: Permanently added '10.128.0.153' (ED25519) to the list of known hosts. [ 77.561087][ T5793] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 77.561315][ T5792] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 77.569541][ T5793] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 77.583860][ T5794] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 77.591761][ T5796] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 77.591813][ T5794] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 77.600691][ T5796] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 77.608380][ T5794] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 77.613555][ T5796] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 77.620872][ T5794] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 77.628345][ T5796] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 77.642332][ T5796] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 77.642663][ T5793] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 77.651666][ T5796] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 77.656469][ T5794] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 77.664897][ T5796] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 77.677456][ T5798] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 77.685315][ T5796] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 77.692754][ T5794] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 77.702047][ T5794] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 77.708244][ T5796] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 77.716555][ T5796] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 77.727004][ T5796] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 77.734838][ T5794] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program executing program [ 183.014390][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 183.021505][ C1] rcu: (detected by 1, t=10502 jiffies, g=8225, q=78 ncpus=2) [ 183.029066][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10500 (4294955401-4294944901), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 183.042447][ C1] rcu: rcu_preempt kthread starved for 10500 jiffies! g8225 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 183.053563][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 183.063538][ C1] rcu: RCU grace-period kthread stack dump: [ 183.069437][ C1] task:rcu_preempt state:R running task stack:27656 pid:17 ppid:2 flags:0x00004000 [ 183.080253][ C1] Call Trace: [ 183.083543][ C1] [ 183.086493][ C1] __schedule+0x1553/0x45a0 [ 183.091064][ C1] ? _raw_spin_unlock_irqrestore+0x86/0x120 [ 183.096977][ C1] ? _raw_spin_unlock_irqrestore+0xc5/0x120 [ 183.102885][ C1] ? asan.module_dtor+0x20/0x20 [ 183.107758][ C1] ? enqueue_timer+0x23d/0x550 [ 183.112538][ C1] ? __mod_timer+0x984/0xdb0 [ 183.117152][ C1] schedule+0xbd/0x170 [ 183.124108][ C1] schedule_timeout+0x188/0x2d0 [ 183.128973][ C1] ? console_conditional_schedule+0x40/0x40 [ 183.134883][ C1] ? _raw_spin_unlock_irqrestore+0x86/0x120 [ 183.140968][ C1] ? update_process_times+0x1b0/0x1b0 [ 183.146354][ C1] ? prepare_to_swait_event+0x339/0x360 [ 183.151921][ C1] rcu_gp_fqs_loop+0x313/0x1590 [ 183.156798][ C1] ? dump_blkd_tasks+0x810/0x810 [ 183.161751][ C1] ? rcu_gp_init+0x1560/0x1560 [ 183.166523][ C1] ? rcu_gp_cleanup+0xb41/0xc90 [ 183.171393][ C1] ? _raw_spin_unlock_irq+0x23/0x50 [ 183.176606][ C1] ? lockdep_hardirqs_on+0x98/0x150 [ 183.181821][ C1] rcu_gp_kthread+0x9d/0x3b0 [ 183.186429][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 183.191550][ C1] ? __kthread_parkme+0x7a/0x1c0 [ 183.196500][ C1] ? __kthread_parkme+0x162/0x1c0 [ 183.201540][ C1] kthread+0x2fa/0x390 [ 183.205620][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 183.210744][ C1] ? kthread_blkcg+0xd0/0xd0 [ 183.215344][ C1] ret_from_fork+0x48/0x80 [ 183.219772][ C1] ? kthread_blkcg+0xd0/0xd0 [ 183.224371][ C1] ret_from_fork_asm+0x11/0x20 [ 183.229162][ C1] [ 183.232204][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 183.238550][ C1] CPU: 1 PID: 5803 Comm: syz-executor413 Not tainted syzkaller #0 [ 183.246366][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 183.256434][ C1] RIP: 0010:_raw_spin_unlock_irq+0x29/0x50 [ 183.262257][ C1] Code: 00 f3 0f 1e fa 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 ea 97 d8 f6 48 89 df e8 a2 6c d9 f6 e8 1d 7f fd f6 fb bf 01 00 00 00 82 73 cc f6 65 8b 05 c3 a0 73 75 85 c0 74 02 5b c3 e8 40 88 70 [ 183.281890][ C1] RSP: 0018:ffffc9000489fc78 EFLAGS: 00000286 [ 183.287969][ C1] RAX: 473ba6287850cd00 RBX: ffff88802afb0940 RCX: 473ba6287850cd00 [ 183.295952][ C1] RDX: dffffc0000000000 RSI: ffffffff8acac9e0 RDI: 0000000000000001 [ 183.303934][ C1] RBP: ffff88802afb0dd8 R08: ffffffff8e8b19af R09: 1ffffffff1d16335 [ 183.311916][ C1] R10: dffffc0000000000 R11: fffffbfff1d16336 R12: 1ffff110055f61bb [ 183.319901][ C1] R13: 0000000000000021 R14: dffffc0000000000 R15: 0000000000000000 [ 183.327882][ C1] FS: 00005555949433c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 [ 183.336822][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 183.343413][ C1] CR2: 000020000006b000 CR3: 00000000261f2000 CR4: 00000000003506e0 [ 183.351398][ C1] Call Trace: [ 183.354688][ C1] [ 183.357759][ C1] get_signal+0x11f5/0x13f0 [ 183.362298][ C1] arch_do_signal_or_restart+0xc2/0x800 [ 183.367869][ C1] ? get_sigframe_size+0x20/0x20 [ 183.372840][ C1] ? exit_to_user_mode_loop+0x3b/0x110 [ 183.378320][ C1] exit_to_user_mode_loop+0x70/0x110 [ 183.383620][ C1] exit_to_user_mode_prepare+0xee/0x180 [ 183.389195][ C1] syscall_exit_to_user_mode+0x1a/0x50 [ 183.394670][ C1] do_syscall_64+0x61/0xa0 [ 183.399100][ C1] ? clear_bhb_loop+0x40/0x90 [ 183.403798][ C1] ? clear_bhb_loop+0x40/0x90 [ 183.408512][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 183.414420][ C1] RIP: 0033:0x7f6ad6e1cac9 [ 183.418862][ C1] Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 0f 1f 44 00 00 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 d0 ff ff ff f7 d8 64 89 01 48 [ 183.438478][ C1] RSP: 002b:00007fff4c3883f8 EFLAGS: 00000246 [ 183.444569][ C1] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007f6ad6e1cac9 [ 183.452567][ C1] RDX: 000020000006b000 RSI: 0000000000000000 RDI: 0000000000000000 [ 183.460572][ C1] RBP: 0000000000000000 R08: 00007f6ad6df4990 R09: 00007f6ad6df4990 [ 183.468562][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6ad6e93ff3 [ 183.476560][ C1] R13: 00007f6ad6e9213b R14: 00007fff4c388430 R15: 0000000000000000 [ 183.484568][ C1]