Warning: Permanently added '10.128.0.246' (ED25519) to the list of known hosts. [ 82.055882][ T4289] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 82.065661][ T4289] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 82.074182][ T4289] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 82.082256][ T4289] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 82.090184][ T4289] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 82.096070][ T4290] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 82.098564][ T4289] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 82.105371][ T4290] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 82.119264][ T4290] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 82.120295][ T4289] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 82.126653][ T4290] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 82.133764][ T4289] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 82.141198][ T4290] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 82.149451][ T4289] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 82.154872][ T4290] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 82.163841][ T4289] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 82.168852][ T4290] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 82.176424][ T4289] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 82.184556][ T4290] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 82.191230][ T4289] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 82.198018][ T4290] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 82.205343][ T4289] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 82.211658][ T4290] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 82.219117][ T4289] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 82.225708][ T4290] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 82.232992][ T4289] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 82.239668][ T4290] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 82.255939][ T48] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 82.257608][ T4281] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 82.270828][ T4291] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 executing program [ 187.488673][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 187.495821][ C0] (detected by 0, t=10502 jiffies, g=7969, q=46 ncpus=2) [ 187.502964][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4294955852-4294945350), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 187.516369][ C0] rcu: rcu_preempt kthread starved for 10502 jiffies! g7969 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 187.527603][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 187.537680][ C0] rcu: RCU grace-period kthread stack dump: [ 187.543604][ C0] task:rcu_preempt state:R running task stack:27840 pid:16 ppid:2 flags:0x00004000 [ 187.554439][ C0] Call Trace: [ 187.557748][ C0] [ 187.560832][ C0] __schedule+0x10ec/0x40b0 [ 187.565420][ C0] ? lockdep_hardirqs_on+0x94/0x140 [ 187.570756][ C0] ? _raw_spin_unlock+0x40/0x40 [ 187.575668][ C0] ? release_firmware_map_entry+0x18a/0x18a [ 187.581619][ C0] schedule+0xb9/0x180 [ 187.585727][ C0] schedule_timeout+0x15c/0x280 [ 187.590792][ C0] ? console_conditional_schedule+0x40/0x40 [ 187.596726][ C0] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 187.602759][ C0] ? update_process_times+0x1b0/0x1b0 [ 187.608184][ C0] ? prepare_to_swait_event+0x335/0x350 [ 187.613789][ C0] rcu_gp_fqs_loop+0x2f2/0x1310 [ 187.618680][ C0] ? rcu_gp_kthread+0x380/0x380 [ 187.623569][ C0] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 187.629633][ C0] ? rcu_gp_init+0x14b0/0x14b0 [ 187.634526][ C0] ? rcu_gp_cleanup+0xb4c/0xca0 [ 187.639426][ C0] ? _raw_spin_unlock_irq+0x1f/0x40 [ 187.644672][ C0] ? lockdep_hardirqs_on+0x94/0x140 [ 187.649906][ C0] rcu_gp_kthread+0x95/0x380 [ 187.654533][ C0] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 187.659680][ C0] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 187.665621][ C0] ? __kthread_parkme+0x162/0x1c0 [ 187.670694][ C0] kthread+0x29d/0x330 [ 187.674804][ C0] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 187.679950][ C0] ? kthread_blkcg+0xd0/0xd0 [ 187.684597][ C0] ret_from_fork+0x1f/0x30 [ 187.689072][ C0] [ 187.692132][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 187.698576][ C0] Sending NMI from CPU 0 to CPUs 1: [ 187.703844][ C1] NMI backtrace for cpu 1 [ 187.703870][ C1] CPU: 1 PID: 4295 Comm: syz-executor681 Not tainted 6.1.147-syzkaller #0 [ 187.703886][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 187.703895][ C1] RIP: 0010:native_apic_msr_write+0x35/0x50 [ 187.703921][ C1] Code: 74 2a 83 ff 30 74 25 eb 10 81 ff d0 00 00 00 74 1b 81 ff e0 00 00 00 74 13 c1 ef 04 81 c7 00 08 00 00 89 f9 89 f0 31 d2 0f 30 <66> 90 c3 89 f6 31 d2 e9 9f 47 f7 02 66 2e 0f 1f 84 00 00 00 00 00 [ 187.703938][ C1] RSP: 0018:ffffc900001e0e38 EFLAGS: 00000046 [ 187.703952][ C1] RAX: 000000000004927b RBX: 000000000004927b RCX: 0000000000000838 [ 187.703962][ C1] RDX: 0000000000000000 RSI: 000000000004927b RDI: 0000000000000838 [ 187.703972][ C1] RBP: 0000000000000000 R08: dffffc0000000000 R09: fffffbfff1c3e976 [ 187.703983][ C1] R10: fffffbfff1c3e976 R11: 1ffffffff1c3e975 R12: dffffc0000000000 [ 187.703995][ C1] R13: 0000000010004eda R14: ffffffff8c5e0b40 R15: dffffc0000000000 [ 187.704007][ C1] FS: 000055558fadd3c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 [ 187.704021][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 187.704032][ C1] CR2: 000020000006b000 CR3: 00000000751aa000 CR4: 00000000003506e0 [ 187.704046][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 187.704055][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 187.704064][ C1] Call Trace: [ 187.704071][ C1] [ 187.704075][ C1] lapic_next_event+0x5b/0x70 [ 187.704100][ C1] clockevents_program_event+0x1bc/0x310 [ 187.704133][ C1] hrtimer_interrupt+0x59d/0x9c0 [ 187.704163][ C1] __sysvec_apic_timer_interrupt+0x153/0x5a0 [ 187.704187][ C1] sysvec_apic_timer_interrupt+0x9b/0xc0 [ 187.704210][ C1] [ 187.704214][ C1] [ 187.704219][ C1] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 187.704235][ C1] RIP: 0010:_raw_spin_unlock_irq+0x25/0x40 [ 187.704259][ C1] Code: f5 ff 0f 1f 00 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 2e 31 43 f7 48 89 df e8 86 f6 43 f7 e8 91 e8 66 f7 fb bf 01 00 00 00 36 74 37 f7 65 8b 05 07 35 e2 75 85 c0 74 02 5b c3 e8 54 46 e0 [ 187.704271][ C1] RSP: 0018:ffffc90003f87bb8 EFLAGS: 00000286 [ 187.704283][ C1] RAX: c00e284970666d00 RBX: ffff88802f2b3780 RCX: c00e284970666d00 [ 187.704295][ C1] RDX: dffffc0000000000 RSI: ffffffff8a8c0460 RDI: 0000000000000001 [ 187.704306][ C1] RBP: ffff88802f2b3c18 R08: dffffc0000000000 R09: ffffed1005e566f1 [ 187.704318][ C1] R10: ffffed1005e566f1 R11: 1ffff11005e566f0 R12: 1ffff11005e56783 [ 187.704329][ C1] R13: 0000000000000021 R14: dffffc0000000000 R15: 0000000000000000 [ 187.704348][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 187.704371][ C1] get_signal+0x1163/0x1350 [ 187.704405][ C1] arch_do_signal_or_restart+0xb0/0x1230 [ 187.704428][ C1] ? __ia32_sys_rt_sigreturn+0x660/0x790 [ 187.704450][ C1] ? load_gs_index+0x120/0x120 [ 187.704470][ C1] ? get_sigframe_size+0x10/0x10 [ 187.704498][ C1] ? exit_to_user_mode_loop+0x3b/0x110 [ 187.704524][ C1] exit_to_user_mode_loop+0x70/0x110 [ 187.704547][ C1] exit_to_user_mode_prepare+0xb1/0x140 [ 187.704571][ C1] syscall_exit_to_user_mode+0x16/0x40 [ 187.704592][ C1] do_syscall_64+0x58/0xa0 [ 187.704607][ C1] ? clear_bhb_loop+0x60/0xb0 [ 187.704622][ C1] ? clear_bhb_loop+0x60/0xb0 [ 187.704637][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 187.704663][ C1] RIP: 0033:0x7fbe03bf38d9 [ 187.704682][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 19 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 [ 187.704694][ C1] RSP: 002b:00007ffd1daad768 EFLAGS: 00000246 [ 187.704706][ C1] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007fbe03bf38d9 [ 187.704716][ C1] RDX: 000020000006b000 RSI: 0000000000000000 RDI: 0000000000000000 [ 187.704725][ C1] RBP: 0000000000000000 R08: 00007fbe03bb3990 R09: 00007fbe03bb3990 [ 187.704735][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fbe03c5133c [ 187.704745][ C1] R13: 00007fbe03c4b106 R14: 00007ffd1daad7a0 R15: 0000000000000000 [ 187.704763][ C1]