Warning: Permanently added '10.128.0.117' (ED25519) to the list of known hosts. [ 126.113964][ T5855] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 126.123593][ T5857] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 126.132107][ T5857] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 126.140204][ T5858] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 126.140644][ T5861] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 126.148071][ T5858] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 126.167207][ T5858] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 126.176457][ T5864] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 126.182461][ T5863] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 126.192254][ T5864] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 126.200631][ T5863] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 126.209539][ T5863] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 126.212537][ T5864] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 126.217940][ T5863] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 126.225074][ T5864] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 126.239629][ T5863] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 126.239719][ T5150] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 126.255384][ T5150] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 126.263651][ T5150] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 126.264046][ T5864] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 executing program executing program [ 127.453630][ T0] NOHZ tick-stop error: local softirq work is pending, handler #200!!! executing program [ 128.431388][ T5150] Bluetooth: hci2: command tx timeout [ 128.431598][ T5864] Bluetooth: hci1: command tx timeout [ 128.437306][ T5854] Bluetooth: hci3: command tx timeout [ 128.442983][ T5855] Bluetooth: hci0: command tx timeout [ 130.512743][ T5854] Bluetooth: hci1: command tx timeout [ 130.512802][ T5855] Bluetooth: hci2: command tx timeout executing program [ 130.582627][ T5864] Bluetooth: hci0: command tx timeout [ 130.588179][ T5150] Bluetooth: hci3: command tx timeout executing program executing program [ 133.047936][ T5150] Bluetooth: hci0: command tx timeout [ 133.048021][ T5854] Bluetooth: hci3: command tx timeout [ 238.072187][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 238.079441][ C0] rcu: (detected by 0, t=10502 jiffies, g=10873, q=29 ncpus=2) [ 238.087379][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4294960860-4294950358), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 238.100956][ C0] rcu: rcu_preempt kthread starved for 10502 jiffies! g10873 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 238.112195][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 238.122189][ C0] rcu: RCU grace-period kthread stack dump: [ 238.128292][ C0] task:rcu_preempt state:R running task stack:27728 pid:16 tgid:16 ppid:2 task_flags:0x208040 flags:0x00080000 [ 238.141919][ C0] Call Trace: [ 238.145327][ C0] [ 238.148316][ C0] __schedule+0x150e/0x5070 [ 238.153218][ C0] ? lockdep_hardirqs_on+0x98/0x140 [ 238.158458][ C0] ? _raw_spin_unlock_irqrestore+0xad/0x110 [ 238.164371][ C0] ? __pfx___schedule+0x10/0x10 [ 238.169256][ C0] ? schedule+0x91/0x360 [ 238.173549][ C0] schedule+0x165/0x360 [ 238.177743][ C0] schedule_timeout+0x12b/0x270 [ 238.182625][ C0] ? __pfx_schedule_timeout+0x10/0x10 [ 238.188126][ C0] ? __pfx_process_timeout+0x10/0x10 [ 238.193532][ C0] ? prepare_to_swait_event+0x341/0x380 [ 238.199133][ C0] rcu_gp_fqs_loop+0x301/0x1540 [ 238.204117][ C0] ? __pfx_rcu_gp_init+0x10/0x10 [ 238.209194][ C0] ? lockdep_hardirqs_on+0x98/0x140 [ 238.214524][ C0] ? __pfx_rcu_gp_fqs_loop+0x10/0x10 [ 238.219859][ C0] ? _raw_spin_unlock_irq+0x2e/0x50 [ 238.225350][ C0] ? finish_swait+0xcd/0x1f0 [ 238.230233][ C0] rcu_gp_kthread+0x99/0x390 [ 238.234857][ C0] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 238.240172][ C0] ? __kthread_parkme+0x7b/0x200 [ 238.245231][ C0] ? __kthread_parkme+0x1a1/0x200 [ 238.250295][ C0] kthread+0x711/0x8a0 [ 238.254475][ C0] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 238.259700][ C0] ? __pfx_kthread+0x10/0x10 [ 238.264311][ C0] ? _raw_spin_unlock_irq+0x23/0x50 [ 238.269532][ C0] ? lockdep_hardirqs_on+0x98/0x140 [ 238.274879][ C0] ? __pfx_kthread+0x10/0x10 [ 238.279491][ C0] ret_from_fork+0x599/0xb30 [ 238.284115][ C0] ? __pfx_ret_from_fork+0x10/0x10 [ 238.289286][ C0] ? __switch_to_asm+0x39/0x70 [ 238.294067][ C0] ? __switch_to_asm+0x33/0x70 [ 238.298857][ C0] ? __pfx_kthread+0x10/0x10 [ 238.303554][ C0] ret_from_fork_asm+0x1a/0x30 [ 238.308536][ C0] [ 238.311576][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 238.317922][ C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT(full) [ 238.326877][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 238.337140][ C0] RIP: 0010:pv_native_safe_halt+0x13/0x20 [ 238.343070][ C0] Code: cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 33 0e 21 00 f3 0f 1e fa fb f4 48 ee 02 00 cc cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 [ 238.363128][ C0] RSP: 0018:ffffffff8e007d80 EFLAGS: 000002c6 [ 238.369389][ C0] RAX: e64392061620f400 RBX: ffffffff8197c6ba RCX: e64392061620f400 [ 238.377470][ C0] RDX: 0000000000000001 RSI: ffffffff8daa9dc3 RDI: ffffffff8be247e0 [ 238.385973][ C0] RBP: ffffffff8e007ea8 R08: ffff8880b86336db R09: 1ffff110170c66db [ 238.394135][ C0] R10: dffffc0000000000 R11: ffffed10170c66dc R12: ffffffff8fc3d070 [ 238.402125][ C0] R13: 1ffffffff1c129b8 R14: 0000000000000000 R15: 0000000000000000 [ 238.410198][ C0] FS: 0000000000000000(0000) GS:ffff8881259dc000(0000) knlGS:0000000000000000 [ 238.419323][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 238.425935][ C0] CR2: 0000200000000100 CR3: 000000001eff0000 CR4: 00000000003526f0 [ 238.433952][ C0] Call Trace: [ 238.437263][ C0] [ 238.440275][ C0] default_idle+0x13/0x20 [ 238.444652][ C0] default_idle_call+0x73/0xb0 [ 238.449447][ C0] do_idle+0x1ea/0x520 [ 238.453549][ C0] ? irqentry_exit+0x5ba/0x660 [ 238.458523][ C0] ? __pfx_do_idle+0x10/0x10 [ 238.463154][ C0] cpu_startup_entry+0x44/0x60 [ 238.467968][ C0] rest_init+0x2de/0x300 [ 238.472498][ C0] start_kernel+0x3ac/0x400 [ 238.477024][ C0] x86_64_start_reservations+0x24/0x30 [ 238.482512][ C0] x86_64_start_kernel+0x143/0x1c0 [ 238.487735][ C0] common_startup_64+0x13e/0x147 [ 238.492723][ C0]