Warning: Permanently added '10.128.1.213' (ED25519) to the list of known hosts. [ 83.142010][ T4290] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 83.149928][ T4290] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 83.157169][ T4290] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 83.159531][ T4291] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 83.167246][ T4290] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 83.175525][ T4291] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 83.180516][ T4290] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 83.186896][ T4291] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 83.193087][ T4290] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 83.201501][ T4291] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 83.207455][ T4290] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 83.213721][ T4291] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 83.221268][ T4290] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 83.230366][ T4291] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 83.234831][ T4290] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 83.249818][ T4291] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 83.250886][ T4290] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 83.258262][ T4291] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 83.265613][ T4290] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 83.273570][ T4291] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 83.279532][ T4290] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 83.285920][ T4291] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 83.293494][ T4290] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 83.299697][ T4291] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 83.307539][ T4290] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 83.313920][ T4291] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 83.320210][ T4290] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 83.330266][ T4291] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 83.338979][ T4289] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 83.342879][ T4291] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 executing program [ 188.568516][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 188.575650][ C0] (detected by 0, t=10502 jiffies, g=7777, q=70 ncpus=2) [ 188.582799][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294955984-4294945481), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 188.596230][ C0] rcu: rcu_preempt kthread starved for 10504 jiffies! g7777 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 188.607382][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 188.617395][ C0] rcu: RCU grace-period kthread stack dump: [ 188.623317][ C0] task:rcu_preempt state:R running task stack:27256 pid:16 ppid:2 flags:0x00004000 [ 188.634172][ C0] Call Trace: [ 188.637495][ C0] [ 188.640473][ C0] __schedule+0x11d1/0x40e0 [ 188.645063][ C0] ? _raw_spin_unlock_irqrestore+0x82/0x120 [ 188.651008][ C0] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 188.656970][ C0] ? __sched_text_start+0x8/0x8 [ 188.661902][ C0] ? __mod_timer+0x91e/0xd00 [ 188.666595][ C0] schedule+0xb9/0x180 [ 188.670720][ C0] schedule_timeout+0x184/0x2d0 [ 188.675630][ C0] ? console_conditional_schedule+0x40/0x40 [ 188.681589][ C0] ? lockdep_hardirqs_on_prepare+0x409/0x770 [ 188.687632][ C0] ? update_process_times+0x1b0/0x1b0 [ 188.693262][ C0] ? prepare_to_swait_event+0x335/0x350 [ 188.698899][ C0] rcu_gp_fqs_loop+0x303/0x1340 [ 188.703812][ C0] ? rcu_gp_kthread+0x3b0/0x3b0 [ 188.708710][ C0] ? lockdep_hardirqs_on_prepare+0x409/0x770 [ 188.714747][ C0] ? rcu_gp_init+0x14e0/0x14e0 [ 188.719551][ C0] ? rcu_gp_cleanup+0xb41/0xc90 [ 188.724466][ C0] ? _raw_spin_unlock_irq+0x1f/0x40 [ 188.729706][ C0] ? lockdep_hardirqs_on+0x94/0x140 [ 188.734962][ C0] rcu_gp_kthread+0x99/0x3b0 [ 188.739594][ C0] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 188.744831][ C0] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 188.750796][ C0] ? __kthread_parkme+0x162/0x1c0 [ 188.755908][ C0] kthread+0x29d/0x330 [ 188.760033][ C0] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 188.765203][ C0] ? kthread_blkcg+0xd0/0xd0 [ 188.769855][ C0] ret_from_fork+0x1f/0x30 [ 188.774355][ C0] [ 188.777425][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 188.783808][ C0] CPU: 0 PID: 4294 Comm: syz-executor278 Not tainted syzkaller #0 [ 188.791751][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 188.801854][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x32/0x60 [ 188.808071][ C0] Code: c4 fc 7f 7e 65 8b 15 c5 fc 7f 7e 81 e2 00 01 ff 00 74 11 81 fa 00 01 00 00 75 35 83 b9 1c 16 00 00 00 74 2c 8b 91 f8 15 00 00 <83> fa 02 75 21 48 8b 91 00 16 00 00 48 8b 32 48 8d 7e 01 8b 89 fc [ 188.827743][ C0] RSP: 0018:ffffc90004017c40 EFLAGS: 00000246 [ 188.833863][ C0] RAX: ffffffff8434a7f5 RBX: 0000000000000030 RCX: ffff888019ad9dc0 [ 188.841877][ C0] RDX: 0000000000000000 RSI: ffffffff8a8c23a0 RDI: ffffffff8adf0c20 [ 188.849989][ C0] RBP: ffffc90004017ec0 R08: ffffffff8e1fc32f R09: 1ffffffff1c3f865 [ 188.858002][ C0] R10: dffffc0000000000 R11: fffffbfff1c3f866 R12: dffffc0000000000 [ 188.866365][ C0] R13: ffffc90004017ff8 R14: 00007ffc0d62c230 R15: ffffc90004017e00 [ 188.874380][ C0] FS: 000055558cc2b480(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 [ 188.883385][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 188.890110][ C0] CR2: 0000200000000058 CR3: 0000000077754000 CR4: 00000000003506f0 [ 188.898131][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 188.906220][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 188.914233][ C0] Call Trace: [ 188.917550][ C0] [ 188.920538][ C0] should_fail_usercopy+0x5/0x20 [ 188.925535][ C0] _copy_to_user+0x2c/0x130 [ 188.930092][ C0] copy_siginfo_to_user+0x1f/0x140 [ 188.935245][ C0] arch_do_signal_or_restart+0xde5/0x1350 [ 188.941129][ C0] ? get_sigframe_size+0x10/0x10 [ 188.946187][ C0] ? exit_to_user_mode_loop+0x3b/0x110 [ 188.951793][ C0] exit_to_user_mode_loop+0x70/0x110 [ 188.957140][ C0] exit_to_user_mode_prepare+0xee/0x180 [ 188.962764][ C0] syscall_exit_to_user_mode+0x16/0x40 [ 188.968285][ C0] do_syscall_64+0x58/0xa0 [ 188.972840][ C0] ? clear_bhb_loop+0x60/0xb0 [ 188.977558][ C0] ? clear_bhb_loop+0x60/0xb0 [ 188.982326][ C0] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 188.988270][ C0] RIP: 0033:0x7f9f261a502e [ 188.992739][ C0] Code: 08 0f 85 25 ec ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 90 41 57 41 56 4d 89 c6 41 55 4d 89 cd 41 54 55 53 48 83 ec 08 [ 189.012400][ C0] RSP: 002b:00007ffc0d62c6a8 EFLAGS: 00000246 [ 189.018515][ C0] RAX: fffffffffffffff7 RBX: 000055558cc2b480 RCX: 00007f9f261a502e [ 189.026637][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000000000e [ 189.034658][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 189.042674][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9f261ef1df [ 189.050776][ C0] R13: 00007f9f261ef1b5 R14: 00007ffc0d62c740 R15: 0000000000000000 [ 189.058807][ C0]