Warning: Permanently added '10.128.0.39' (ED25519) to the list of known hosts. [ 82.919186][ T4279] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 82.921775][ T4280] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 82.927442][ T4279] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 82.934514][ T4280] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 82.941923][ T4279] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 82.949163][ T4280] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 82.956015][ T4279] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 82.962754][ T4280] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 82.972416][ T4279] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 82.976601][ T4280] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 82.983660][ T4279] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 82.990708][ T4280] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 83.004740][ T4280] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 83.004974][ T4279] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 83.012201][ T4280] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 83.020731][ T4279] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 83.026017][ T4280] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 83.033997][ T4279] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 83.040513][ T4280] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 83.047784][ T4279] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 83.054484][ T4280] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 83.061239][ T4279] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 83.067700][ T4280] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 83.074892][ T4279] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 83.081732][ T4280] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 83.089618][ T4279] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 83.120819][ T4276] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 83.128371][ T4276] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 83.136061][ T4276] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 83.153606][ T4276] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 executing program executing program executing program [ 188.410529][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 188.417697][ C1] (detected by 1, t=10502 jiffies, g=7533, q=80 ncpus=2) [ 188.424840][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4294955972-4294945470), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 188.438328][ C1] rcu: rcu_preempt kthread starved for 10502 jiffies! g7533 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 188.449473][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 188.459479][ C1] rcu: RCU grace-period kthread stack dump: [ 188.465403][ C1] task:rcu_preempt state:R running task stack:27720 pid:16 ppid:2 flags:0x00004000 [ 188.476244][ C1] Call Trace: [ 188.479552][ C1] [ 188.482513][ C1] __schedule+0x10e9/0x40d0 [ 188.487085][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 188.492419][ C1] ? _raw_spin_unlock+0x40/0x40 [ 188.497311][ C1] ? release_firmware_map_entry+0x18a/0x18a [ 188.503255][ C1] schedule+0xb9/0x180 [ 188.507358][ C1] schedule_timeout+0x15c/0x280 [ 188.512244][ C1] ? console_conditional_schedule+0x40/0x40 [ 188.518344][ C1] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 188.524364][ C1] ? update_process_times+0x1b0/0x1b0 [ 188.529785][ C1] ? prepare_to_swait_event+0x335/0x350 [ 188.535379][ C1] rcu_gp_fqs_loop+0x2f2/0x1310 [ 188.540266][ C1] ? rcu_gp_kthread+0x380/0x380 [ 188.545236][ C1] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 188.551255][ C1] ? rcu_gp_init+0x14b0/0x14b0 [ 188.556045][ C1] ? rcu_gp_cleanup+0xb4c/0xca0 [ 188.561975][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 188.567210][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 188.572470][ C1] rcu_gp_kthread+0x95/0x380 [ 188.577097][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 188.582242][ C1] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 188.588176][ C1] ? __kthread_parkme+0x162/0x1c0 [ 188.593249][ C1] kthread+0x29d/0x330 [ 188.597357][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 188.602502][ C1] ? kthread_blkcg+0xd0/0xd0 [ 188.607130][ C1] ret_from_fork+0x1f/0x30 [ 188.611599][ C1] [ 188.614667][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 188.621022][ C1] Sending NMI from CPU 1 to CPUs 0: [ 188.626266][ C0] NMI backtrace for cpu 0 [ 188.626290][ C0] CPU: 0 PID: 4283 Comm: syz-executor383 Not tainted 6.1.140-syzkaller #0 [ 188.626307][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 188.626317][ C0] RIP: 0010:__lock_acquire+0x9b0/0x7c50 [ 188.626344][ C0] Code: e8 03 42 0f b6 04 00 84 c0 0f 85 e6 00 00 00 41 0f b6 06 84 c0 74 0e 41 0f b6 cd 44 0f b6 e8 38 c1 44 0f 42 e9 48 8b 44 24 70 <42> 0f b6 04 00 84 c0 0f 85 e3 00 00 00 48 ff c3 48 8b 44 24 40 48 [ 188.626361][ C0] RSP: 0018:ffffc900000077c0 EFLAGS: 00000046 [ 188.626376][ C0] RAX: 1ffff11004facc83 RBX: 0000000000000000 RCX: 0000000000000002 [ 188.626387][ C0] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff908b8310 [ 188.626397][ C0] RBP: ffffc90000007a10 R08: dffffc0000000000 R09: fffffbfff2117063 [ 188.626410][ C0] R10: fffffbfff2117063 R11: 1ffffffff2117062 R12: ffff888027d66440 [ 188.626423][ C0] R13: 0000000000000002 R14: ffffffff9028ef38 R15: ffff888027d66440 [ 188.626435][ C0] FS: 000055555cb193c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 [ 188.626450][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 188.626462][ C0] CR2: 000020000006b000 CR3: 0000000018ac5000 CR4: 00000000003506f0 [ 188.626476][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 188.626486][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 188.626496][ C0] Call Trace: [ 188.626503][ C0] [ 188.626511][ C0] ? mark_lock+0x94/0x320 [ 188.626540][ C0] ? verify_lock_unused+0x140/0x140 [ 188.626567][ C0] ? verify_lock_unused+0x140/0x140 [ 188.626588][ C0] ? mark_lock+0x94/0x320 [ 188.626609][ C0] ? verify_lock_unused+0x140/0x140 [ 188.626631][ C0] ? verify_lock_unused+0x140/0x140 [ 188.626652][ C0] ? __lock_acquire+0x13c0/0x7c50 [ 188.626675][ C0] lock_acquire+0x1b4/0x490 [ 188.626696][ C0] ? __lock_task_sighand+0x146/0x2d0 [ 188.626723][ C0] ? read_lock_is_recursive+0x10/0x10 [ 188.626749][ C0] ? __lock_task_sighand+0x25/0x2d0 [ 188.626772][ C0] _raw_spin_lock_irqsave+0xa4/0xf0 [ 188.626798][ C0] ? __lock_task_sighand+0x146/0x2d0 [ 188.626820][ C0] ? _raw_spin_lock+0x40/0x40 [ 188.626845][ C0] ? __lock_task_sighand+0x25/0x2d0 [ 188.626873][ C0] __lock_task_sighand+0x146/0x2d0 [ 188.626897][ C0] send_sigqueue+0x159/0x600 [ 188.626921][ C0] ? send_sigqueue+0x8d/0x600 [ 188.626946][ C0] posix_timer_fn+0x16a/0x3d0 [ 188.626964][ C0] __hrtimer_run_queues+0x522/0xc80 [ 188.626984][ C0] ? common_timer_wait_running+0x10/0x10 [ 188.627004][ C0] ? hrtimer_interrupt+0x8d0/0x8d0 [ 188.627020][ C0] ? ktime_get_update_offsets_now+0x3ce/0x3e0 [ 188.627044][ C0] hrtimer_interrupt+0x3bb/0x8d0 [ 188.627070][ C0] __sysvec_apic_timer_interrupt+0x153/0x5a0 [ 188.627095][ C0] sysvec_apic_timer_interrupt+0x9b/0xc0 [ 188.627122][ C0] [ 188.627126][ C0] [ 188.627131][ C0] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 188.627148][ C0] RIP: 0010:_raw_spin_unlock_irq+0x25/0x40 [ 188.627172][ C0] Code: f5 ff 0f 1f 00 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 ce 2e 4a f7 48 89 df e8 26 f4 4a f7 e8 91 f6 6d f7 fb bf 01 00 00 00 36 71 3e f7 65 8b 05 d7 32 e9 75 85 c0 74 02 5b c3 e8 24 44 e7 [ 188.627185][ C0] RSP: 0018:ffffc90003dd7bb8 EFLAGS: 00000286 [ 188.627198][ C0] RAX: 2eabe683a27ad200 RBX: ffff88802f7dca00 RCX: 2eabe683a27ad200 [ 188.627211][ C0] RDX: dffffc0000000000 RSI: ffffffff8a6c0000 RDI: 0000000000000001 [ 188.627222][ C0] RBP: ffff88802f7dce98 R08: dffffc0000000000 R09: ffffed1005efb941 [ 188.627234][ C0] R10: ffffed1005efb941 R11: 1ffff11005efb940 R12: 1ffff11005efb9d3 [ 188.627246][ C0] R13: 0000000000000021 R14: dffffc0000000000 R15: 0000000000000000 [ 188.627263][ C0] ? _raw_spin_unlock_irq+0x1f/0x40 [ 188.627286][ C0] get_signal+0x1163/0x1350 [ 188.627318][ C0] arch_do_signal_or_restart+0xb0/0x1230 [ 188.627340][ C0] ? __ia32_sys_rt_sigreturn+0x660/0x790 [ 188.627363][ C0] ? load_gs_index+0x120/0x120 [ 188.627382][ C0] ? get_sigframe_size+0x10/0x10 [ 188.627409][ C0] ? exit_to_user_mode_loop+0x3b/0x110 [ 188.627434][ C0] exit_to_user_mode_loop+0x70/0x110 [ 188.627458][ C0] exit_to_user_mode_prepare+0xb1/0x140 [ 188.627482][ C0] syscall_exit_to_user_mode+0x16/0x40 [ 188.627498][ C0] do_syscall_64+0x58/0xa0 [ 188.627519][ C0] ? clear_bhb_loop+0x60/0xb0 [ 188.627534][ C0] ? clear_bhb_loop+0x60/0xb0 [ 188.627550][ C0] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 188.627576][ C0] RIP: 0033:0x7fb41849d899 [ 188.627595][ C0] 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 [ 188.627607][ C0] RSP: 002b:00007ffdc2288f78 EFLAGS: 00000246 [ 188.627620][ C0] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007fb41849d899 [ 188.627631][ C0] RDX: 000020000006b000 RSI: 0000000000000000 RDI: 0000000000000000 [ 188.627641][ C0] RBP: 0000000000000000 R08: 00007fb41845d990 R09: 00007fb41845d990 [ 188.627652][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb4184fb33c [ 188.627662][ C0] R13: 00007fb4184f5106 R14: 00007ffdc2288fb0 R15: 0000000000000000 [ 188.627679][ C0] [ 188.627685][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.425 msecs