Warning: Permanently added '10.128.1.241' (ED25519) to the list of known hosts. [ 78.024896][ T4287] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 78.030950][ T4289] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 78.032952][ T4287] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 78.039873][ T4289] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 78.047847][ T4287] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 78.055461][ T4289] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 78.061389][ T4287] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 78.067996][ T4289] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 78.074936][ T4287] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 78.082467][ T4289] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 78.089054][ T4287] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 78.095790][ T4289] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 78.103537][ T4287] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 78.109483][ T4289] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 78.123450][ T4289] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 78.126617][ T4287] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 78.137736][ T4290] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 78.137964][ T4287] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 78.147674][ T4291] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 78.152986][ T4287] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 78.159668][ T4289] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 78.166241][ T4290] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 78.173767][ T4289] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 78.180197][ T4290] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 78.187471][ T4289] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 78.193834][ T4290] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 78.203417][ T4289] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 78.208887][ T4287] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 78.217493][ T4284] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 78.223801][ T4287] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 executing program executing program [ 183.475059][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 183.482187][ C1] (detected by 1, t=10502 jiffies, g=7709, q=1 ncpus=2) [ 183.489241][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4294955472-4294944970), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 183.502648][ C1] rcu: rcu_preempt kthread starved for 10502 jiffies! g7709 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 183.513784][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 183.523782][ C1] rcu: RCU grace-period kthread stack dump: [ 183.529705][ C1] task:rcu_preempt state:R running task stack:27432 pid:16 ppid:2 flags:0x00004000 [ 183.540544][ C1] Call Trace: [ 183.543855][ C1] [ 183.546817][ C1] __schedule+0x10ec/0x40b0 [ 183.551397][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 183.556640][ C1] ? _raw_spin_unlock+0x40/0x40 [ 183.561539][ C1] ? __sched_text_start+0x8/0x8 [ 183.566456][ C1] schedule+0xb9/0x180 [ 183.570582][ C1] schedule_timeout+0x15c/0x280 [ 183.575516][ C1] ? console_conditional_schedule+0x40/0x40 [ 183.581456][ C1] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 183.587489][ C1] ? update_process_times+0x1b0/0x1b0 [ 183.593090][ C1] ? prepare_to_swait_event+0x335/0x350 [ 183.598694][ C1] rcu_gp_fqs_loop+0x2f2/0x1310 [ 183.603591][ C1] ? rcu_gp_kthread+0x380/0x380 [ 183.608478][ C1] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 183.614508][ C1] ? rcu_gp_init+0x14b0/0x14b0 [ 183.619308][ C1] ? rcu_gp_cleanup+0xb4c/0xca0 [ 183.624197][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 183.629449][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 183.634696][ C1] rcu_gp_kthread+0x95/0x380 [ 183.639336][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 183.644481][ C1] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 183.650430][ C1] ? __kthread_parkme+0x162/0x1c0 [ 183.655506][ C1] kthread+0x29d/0x330 [ 183.659624][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 183.664772][ C1] ? kthread_blkcg+0xd0/0xd0 [ 183.669411][ C1] ret_from_fork+0x1f/0x30 [ 183.673890][ C1] [ 183.676941][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 183.683310][ C1] CPU: 1 PID: 4292 Comm: syz-executor125 Not tainted syzkaller #0 [ 183.691156][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 183.701245][ C1] RIP: 0010:_raw_spin_unlock_irq+0x25/0x40 [ 183.707211][ C1] Code: f5 ff 0f 1f 00 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 ee f7 41 f7 48 89 df e8 46 bd 42 f7 e8 71 af 65 f7 fb bf 01 00 00 00 96 3a 36 f7 65 8b 05 97 f3 e0 75 85 c0 74 02 5b c3 e8 e4 04 df [ 183.726960][ C1] RSP: 0018:ffffc90003cc7bb8 EFLAGS: 00000286 [ 183.733096][ C1] RAX: b096011c4867bd00 RBX: ffff888076431bc0 RCX: b096011c4867bd00 [ 183.741114][ C1] RDX: dffffc0000000000 RSI: ffffffff8a8c0500 RDI: 0000000000000001 [ 183.749217][ C1] RBP: ffff888076432058 R08: dffffc0000000000 R09: ffffed100ec86379 [ 183.757234][ C1] R10: ffffed100ec86379 R11: 1ffff1100ec86378 R12: 1ffff1100ec8640b [ 183.765250][ C1] R13: 0000000000000021 R14: dffffc0000000000 R15: 0000000000000000 [ 183.773260][ C1] FS: 000055556200c3c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 [ 183.782227][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 183.788848][ C1] CR2: 000020000006b000 CR3: 0000000030300000 CR4: 00000000003506e0 [ 183.796861][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 183.804878][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 183.812971][ C1] Call Trace: [ 183.816288][ C1] [ 183.819248][ C1] get_signal+0x1163/0x1350 [ 183.823830][ C1] arch_do_signal_or_restart+0xb0/0x1230 [ 183.829601][ C1] ? __ia32_sys_rt_sigreturn+0x660/0x790 [ 183.835293][ C1] ? load_gs_index+0x120/0x120 [ 183.840186][ C1] ? get_sigframe_size+0x10/0x10 [ 183.845180][ C1] ? exit_to_user_mode_loop+0x3b/0x110 [ 183.850693][ C1] exit_to_user_mode_loop+0x70/0x110 [ 183.856024][ C1] exit_to_user_mode_prepare+0xee/0x180 [ 183.861615][ C1] syscall_exit_to_user_mode+0x16/0x40 [ 183.867125][ C1] do_syscall_64+0x58/0xa0 [ 183.871582][ C1] ? clear_bhb_loop+0x60/0xb0 [ 183.876300][ C1] ? clear_bhb_loop+0x60/0xb0 [ 183.881016][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 183.886946][ C1] RIP: 0033:0x7fea58761899 [ 183.891412][ 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 [ 183.911057][ C1] RSP: 002b:00007fffbc45af18 EFLAGS: 00000246 [ 183.917166][ C1] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007fea58761899 [ 183.925176][ C1] RDX: 000020000006b000 RSI: 0000000000000000 RDI: 0000000000000000 [ 183.933182][ C1] RBP: 0000000000000000 R08: 00007fea58721990 R09: 00007fea58721990 [ 183.941184][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fea587bf33c [ 183.949191][ C1] R13: 00007fea587b9106 R14: 00007fffbc45af50 R15: 0000000000000000 [ 183.957219][ C1]