Warning: Permanently added '10.128.1.164' (ED25519) to the list of known hosts. [ 81.114584][ T5791] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 81.115002][ T5797] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 81.132586][ T5797] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 81.141013][ T5797] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 81.148933][ T5797] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 81.157963][ T5797] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 81.166808][ T5797] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 81.174255][ T5797] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 81.182959][ T5797] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 81.190658][ T5797] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 81.194374][ T5800] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 81.199206][ T5797] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 81.207297][ T5806] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 81.212033][ T5797] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 81.221226][ T5806] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 81.226118][ T5797] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 81.240260][ T5805] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 81.240705][ T5797] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 81.255499][ T5805] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 81.255668][ T5797] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 81.264439][ T5805] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 81.270222][ T5797] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 81.278820][ T5805] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 81.283992][ T5797] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 executing program executing program [ 186.552388][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 186.559539][ C0] rcu: (detected by 0, t=10502 jiffies, g=8869, q=51 ncpus=2) [ 186.567115][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10501 (4294955751-4294945250), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 186.580536][ C0] rcu: rcu_preempt kthread starved for 10502 jiffies! g8869 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 186.591674][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 186.601665][ C0] rcu: RCU grace-period kthread stack dump: [ 186.607577][ C0] task:rcu_preempt state:R running task stack:27752 pid:17 ppid:2 flags:0x00004000 [ 186.618414][ C0] Call Trace: [ 186.621734][ C0] [ 186.624724][ C0] __schedule+0x14d2/0x44d0 [ 186.629329][ C0] ? _raw_spin_unlock_irqrestore+0x86/0x110 [ 186.635264][ C0] ? lockdep_hardirqs_on+0x98/0x150 [ 186.640514][ C0] ? _raw_spin_unlock_irqrestore+0xae/0x110 [ 186.646440][ C0] ? asan.module_dtor+0x20/0x20 [ 186.651337][ C0] ? enqueue_timer+0x225/0x530 [ 186.656137][ C0] ? __mod_timer+0x984/0xdb0 [ 186.660778][ C0] schedule+0xbd/0x170 [ 186.664977][ C0] schedule_timeout+0x160/0x280 [ 186.669872][ C0] ? console_conditional_schedule+0x40/0x40 [ 186.675812][ C0] ? _raw_spin_unlock_irqrestore+0x86/0x110 [ 186.681740][ C0] ? update_process_times+0x1b0/0x1b0 [ 186.687427][ C0] ? prepare_to_swait_event+0x339/0x360 [ 186.693013][ C0] rcu_gp_fqs_loop+0x302/0x1560 [ 186.697921][ C0] ? dump_blkd_tasks+0x810/0x810 [ 186.702915][ C0] ? rcu_gp_init+0x1510/0x1510 [ 186.707715][ C0] ? rcu_gp_cleanup+0xb4c/0xca0 [ 186.712639][ C0] ? _raw_spin_unlock_irq+0x23/0x50 [ 186.717905][ C0] ? lockdep_hardirqs_on+0x98/0x150 [ 186.723148][ C0] rcu_gp_kthread+0x99/0x380 [ 186.727789][ C0] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 186.732946][ C0] ? __kthread_parkme+0x7a/0x1c0 [ 186.737924][ C0] ? __kthread_parkme+0x162/0x1c0 [ 186.742995][ C0] kthread+0x2fa/0x390 [ 186.747110][ C0] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 186.752283][ C0] ? kthread_blkcg+0xd0/0xd0 [ 186.756923][ C0] ret_from_fork+0x48/0x80 [ 186.761391][ C0] ? kthread_blkcg+0xd0/0xd0 [ 186.766043][ C0] ret_from_fork_asm+0x11/0x20 [ 186.770958][ C0] [ 186.774027][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 186.780377][ C0] Sending NMI from CPU 0 to CPUs 1: [ 186.785640][ C1] NMI backtrace for cpu 1 [ 186.785657][ C1] CPU: 1 PID: 5811 Comm: syz-executor338 Not tainted syzkaller #0 [ 186.785673][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 186.785681][ C1] RIP: 0010:native_apic_msr_write+0x39/0x50 [ 186.785702][ 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 f3 0f 1e fa 89 f6 31 d2 e9 87 ca 18 03 0f 1f 80 00 00 00 [ 186.785715][ C1] RSP: 0018:ffffc900045dfa90 EFLAGS: 00000046 [ 186.785729][ C1] RAX: 000000000000003e RBX: ffff8880b8f28280 RCX: 0000000000000838 [ 186.785740][ C1] RDX: 0000000000000000 RSI: 000000000000003e RDI: 0000000000000838 [ 186.785749][ C1] RBP: 000000000000003e R08: ffffffff8e4a94ef R09: 1ffffffff1c9529d [ 186.785760][ C1] R10: dffffc0000000000 R11: fffffbfff1c9529e R12: ffff8880b8f282c0 [ 186.785771][ C1] R13: ffff8880b8f282b8 R14: 0000000000000020 R15: dffffc0000000000 [ 186.785783][ C1] FS: 0000555576cb13c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 [ 186.785815][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 186.785826][ C1] CR2: 000020000006b000 CR3: 000000007318e000 CR4: 00000000003506e0 [ 186.785840][ C1] Call Trace: [ 186.785848][ C1] [ 186.785853][ C1] lapic_next_event+0x11/0x20 [ 186.785872][ C1] clockevents_program_min_delta+0x1a9/0x340 [ 186.785902][ C1] hrtimer_start_range_ns+0xbfb/0x1000 [ 186.785928][ C1] posixtimer_rearm+0x135/0x340 [ 186.785954][ C1] dequeue_signal+0x1ba/0x4b0 [ 186.785982][ C1] get_signal+0x551/0x1400 [ 186.786018][ C1] arch_do_signal_or_restart+0x96/0x780 [ 186.786047][ C1] ? get_sigframe_size+0x20/0x20 [ 186.786079][ C1] ? exit_to_user_mode_loop+0x3b/0x110 [ 186.786115][ C1] exit_to_user_mode_loop+0x70/0x110 [ 186.786137][ C1] exit_to_user_mode_prepare+0xf6/0x180 [ 186.786159][ C1] syscall_exit_to_user_mode+0x1a/0x50 [ 186.786184][ C1] do_syscall_64+0x61/0xb0 [ 186.786202][ C1] ? clear_bhb_loop+0x40/0x90 [ 186.786236][ C1] ? clear_bhb_loop+0x40/0x90 [ 186.786253][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 186.786285][ C1] RIP: 0033:0x7f2920c7991a [ 186.786303][ C1] Code: 48 3d 00 f0 ff ff 77 48 c3 0f 1f 80 00 00 00 00 48 83 ec 18 89 7c 24 0c e8 e3 6a 02 00 8b 7c 24 0c 89 c2 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 36 89 d7 89 44 24 0c e8 43 6b 02 00 8b 44 24 [ 186.786316][ C1] RSP: 002b:00007ffe57dbb150 EFLAGS: 00000293 [ 186.786328][ C1] RAX: fffffffffffffff7 RBX: 0000000000000006 RCX: 00007f2920c7991a [ 186.786339][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 186.786347][ C1] RBP: 0000000000000000 R08: 00007f2920c3a990 R09: 00007f2920c3a990 [ 186.786358][ C1] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f2920cd833c [ 186.786368][ C1] R13: 00007f2920cd2106 R14: 00007ffe57dbb1a0 R15: 0000000000000000 [ 186.786386][ C1]