Warning: Permanently added '10.128.0.218' (ED25519) to the list of known hosts. [ 110.097025][ T4309] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 110.101510][ T4312] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 110.105531][ T4309] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 110.112763][ T4312] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 110.119693][ T4309] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 110.128237][ T4312] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 110.134310][ T4309] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 110.141053][ T4312] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 110.148032][ T4309] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 110.155461][ T4312] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 110.168847][ T4309] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 110.168981][ T4312] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 110.176449][ T4309] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 110.184179][ T4312] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 110.194443][ T4309] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 110.201814][ T4312] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 110.208249][ T4309] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 110.216911][ T4312] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 110.225691][ T4309] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 110.232869][ T4312] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 110.239872][ T4309] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 110.246013][ T4312] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 110.253629][ T4309] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 110.260027][ T4312] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 110.267402][ T4309] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 110.273911][ T4312] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 110.288629][ T4297] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 110.290208][ T4312] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 110.296845][ T4297] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 110.329127][ T4313] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 executing program executing program [ 215.516374][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 215.523491][ C1] (detected by 1, t=10502 jiffies, g=6241, q=81 ncpus=2) [ 215.530618][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4294958664-4294948162), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 215.544178][ C1] rcu: rcu_preempt kthread starved for 10502 jiffies! g6241 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 215.555314][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 215.565308][ C1] rcu: RCU grace-period kthread stack dump: [ 215.571231][ C1] task:rcu_preempt state:R running task stack:27840 pid:16 ppid:2 flags:0x00004000 [ 215.582054][ C1] Call Trace: [ 215.585345][ C1] [ 215.588290][ C1] __schedule+0x10ec/0x40b0 [ 215.592840][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 215.598084][ C1] ? _raw_spin_unlock+0x40/0x40 [ 215.602952][ C1] ? enqueue_timer+0x23f/0x5c0 [ 215.607726][ C1] ? __sched_text_start+0x8/0x8 [ 215.612593][ C1] ? __mod_timer+0x91e/0xd00 [ 215.617302][ C1] schedule+0xb9/0x180 [ 215.621399][ C1] schedule_timeout+0x15c/0x280 [ 215.626299][ C1] ? console_conditional_schedule+0x40/0x40 [ 215.632239][ C1] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 215.638263][ C1] ? update_process_times+0x1b0/0x1b0 [ 215.643783][ C1] ? prepare_to_swait_event+0x335/0x350 [ 215.649386][ C1] rcu_gp_fqs_loop+0x2f2/0x1310 [ 215.654275][ C1] ? rcu_gp_kthread+0x380/0x380 [ 215.659142][ C1] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 215.665248][ C1] ? rcu_gp_init+0x14b0/0x14b0 [ 215.670140][ C1] ? rcu_gp_cleanup+0xb4c/0xca0 [ 215.675028][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 215.680255][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 215.685478][ C1] rcu_gp_kthread+0x95/0x380 [ 215.690174][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 215.695300][ C1] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 215.701228][ C1] ? __kthread_parkme+0x162/0x1c0 [ 215.706277][ C1] kthread+0x29d/0x330 [ 215.710363][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 215.715481][ C1] ? kthread_blkcg+0xd0/0xd0 [ 215.720085][ C1] ret_from_fork+0x1f/0x30 [ 215.724522][ C1] [ 215.727558][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 215.733896][ C1] Sending NMI from CPU 1 to CPUs 0: [ 215.739214][ C0] NMI backtrace for cpu 0 [ 215.739236][ C0] CPU: 0 PID: 4315 Comm: syz-executor332 Not tainted syzkaller #0 [ 215.739250][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 215.739257][ C0] RIP: 0010:__lock_acquire+0x10ba/0x7c50 [ 215.739281][ C0] Code: 03 89 c3 81 e3 ff 1f 00 00 c1 e8 03 25 f8 03 00 00 48 8d b8 40 22 ae 90 be 08 00 00 00 e8 ce f8 6d 00 48 0f a3 1d 16 14 4b 0f <0f> 83 8c 01 00 00 48 8d 04 5b c1 e0 06 48 8d 98 00 a1 46 90 49 b8 [ 215.739295][ C0] RSP: 0018:ffffc90000007860 EFLAGS: 00000057 [ 215.739308][ C0] RAX: 0000000000000001 RBX: 000000000000002c RCX: ffffffff81630e22 [ 215.739317][ C0] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff90ae2240 [ 215.739326][ C0] RBP: ffffc90000007ab0 R08: dffffc0000000000 R09: fffffbfff215c449 [ 215.739336][ C0] R10: fffffbfff215c449 R11: 1ffffffff215c448 R12: 00000000a4aa91d3 [ 215.739350][ C0] R13: 00000000d5ee484b R14: 000000005bdabcc2 R15: ffff88801a2a4650 [ 215.739360][ C0] FS: 000055555b7913c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 [ 215.739373][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 215.739382][ C0] CR2: 00007fad02d36be0 CR3: 00000000264bb000 CR4: 00000000003506f0 [ 215.739395][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 215.739403][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 215.739411][ C0] Call Trace: [ 215.739418][ C0] [ 215.739432][ C0] ? verify_lock_unused+0x140/0x140 [ 215.739450][ C0] ? verify_lock_unused+0x140/0x140 [ 215.739467][ C0] ? __lock_acquire+0x13c0/0x7c50 [ 215.739483][ C0] ? verify_lock_unused+0x140/0x140 [ 215.739502][ C0] ? mark_lock+0x94/0x320 [ 215.739522][ C0] lock_acquire+0x1b4/0x490 [ 215.739538][ C0] ? __lock_task_sighand+0x25/0x2d0 [ 215.739560][ C0] ? read_lock_is_recursive+0x10/0x10 [ 215.739577][ C0] ? do_raw_spin_lock+0x11d/0x280 [ 215.739596][ C0] ? read_lock_is_recursive+0x10/0x10 [ 215.739614][ C0] ? __lock_task_sighand+0x25/0x2d0 [ 215.739632][ C0] __lock_task_sighand+0x42/0x2d0 [ 215.739649][ C0] ? __lock_task_sighand+0x25/0x2d0 [ 215.739668][ C0] send_sigqueue+0x159/0x600 [ 215.739687][ C0] ? send_sigqueue+0x8d/0x600 [ 215.739706][ C0] posix_timer_fn+0x16a/0x3d0 [ 215.739721][ C0] __hrtimer_run_queues+0x554/0xd60 [ 215.739735][ C0] ? ktime_get_update_offsets_now+0x95/0x3e0 [ 215.739750][ C0] ? ktime_get_update_offsets_now+0x95/0x3e0 [ 215.739768][ C0] ? common_timer_wait_running+0x10/0x10 [ 215.739784][ C0] ? hrtimer_interrupt+0x9c0/0x9c0 [ 215.739801][ C0] hrtimer_interrupt+0x3c5/0x9c0 [ 215.739822][ C0] __sysvec_apic_timer_interrupt+0x153/0x5a0 [ 215.739843][ C0] sysvec_apic_timer_interrupt+0x9b/0xc0 [ 215.739862][ C0] [ 215.739866][ C0] [ 215.739870][ C0] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 215.739887][ C0] RIP: 0010:_raw_spin_unlock_irq+0x25/0x40 [ 215.739913][ C0] Code: f5 ff 0f 1f 00 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 8e 8f 41 f7 48 89 df e8 e6 54 42 f7 e8 31 48 65 f7 fb bf 01 00 00 00 76 cd 35 f7 65 8b 05 f7 84 e0 75 85 c0 74 02 5b c3 e8 44 96 de [ 215.739923][ C0] RSP: 0018:ffffc900041d7b98 EFLAGS: 00000282 [ 215.739934][ C0] RAX: e642cf5da304ed00 RBX: ffff888023969bc0 RCX: e642cf5da304ed00 [ 215.739944][ C0] RDX: dffffc0000000000 RSI: ffffffff8a8c0580 RDI: 0000000000000001 [ 215.739954][ C0] RBP: ffff88802396a058 R08: dffffc0000000000 R09: ffffed100472d379 [ 215.739964][ C0] R10: ffffed100472d379 R11: 1ffff1100472d378 R12: 1ffff1100472d40b [ 215.739974][ C0] R13: 0000000000000021 R14: dffffc0000000000 R15: 0000000000000000 [ 215.739988][ C0] ? _raw_spin_unlock_irq+0x1f/0x40 [ 215.740007][ C0] get_signal+0x1163/0x1350 [ 215.740032][ C0] arch_do_signal_or_restart+0xb7/0x1240 [ 215.740051][ C0] ? __ia32_sys_rt_sigreturn+0x660/0x790 [ 215.740069][ C0] ? load_gs_index+0x120/0x120 [ 215.740083][ C0] ? get_sigframe_size+0x10/0x10 [ 215.740105][ C0] ? exit_to_user_mode_loop+0x3b/0x110 [ 215.740125][ C0] exit_to_user_mode_loop+0x70/0x110 [ 215.740143][ C0] exit_to_user_mode_prepare+0xee/0x180 [ 215.740162][ C0] syscall_exit_to_user_mode+0x16/0x40 [ 215.740180][ C0] do_syscall_64+0x58/0xa0 [ 215.740194][ C0] ? clear_bhb_loop+0x60/0xb0 [ 215.740209][ C0] ? clear_bhb_loop+0x60/0xb0 [ 215.740223][ C0] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 215.740237][ C0] RIP: 0033:0x7fad02d1e30a [ 215.740252][ C0] 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 33 66 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 93 66 02 00 8b 44 24 [ 215.740263][ C0] RSP: 002b:00007fff7ee00500 EFLAGS: 00000293 [ 215.740273][ C0] RAX: fffffffffffffff7 RBX: 0000000000000009 RCX: 00007fad02d1e30a [ 215.740282][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000008 [ 215.740290][ C0] RBP: 0000000000000000 R08: 00007fad02cd7990 R09: 00007fad02cd7990 [ 215.740299][ C0] R10: 0000000000000000 R11: 0000000000000293 R12: 00007fad02d6f178 [ 215.740308][ C0] R13: 00007fad02d75e3c R14: 00007fff7ee00550 R15: 0000000000000000 [ 215.740322][ C0] [ 215.740327][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.116 msecs