Warning: Permanently added '10.128.0.168' (ED25519) to the list of known hosts. [ 69.705042][ T4268] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 69.712628][ T4269] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 69.713320][ T4268] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 69.721417][ T4269] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 69.727375][ T4268] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 69.735035][ T4269] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 69.742601][ T4268] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 69.749258][ T4269] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 69.756387][ T4268] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 69.762715][ T4269] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 69.769781][ T4268] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 69.776521][ T4269] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 69.790214][ T4268] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 69.791010][ T4269] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 69.798096][ T4268] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 69.805647][ T4269] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 69.818533][ T4271] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 69.819294][ T4269] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 69.832983][ T4271] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 69.833448][ T4269] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 69.841083][ T4271] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 69.847568][ T4269] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 69.855409][ T4271] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 69.861174][ T4269] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 69.867810][ T4270] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 69.874754][ T4269] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 69.883200][ T4271] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 69.896951][ T4268] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 69.906910][ T4261] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 69.917594][ T4261] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 executing program [ 175.196031][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 175.203119][ C1] (detected by 1, t=10502 jiffies, g=6853, q=51 ncpus=2) [ 175.210253][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294954660-4294944157), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 175.223640][ C1] rcu: rcu_preempt kthread starved for 10504 jiffies! g6853 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 175.234761][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 175.244772][ C1] rcu: RCU grace-period kthread stack dump: [ 175.250771][ C1] task:rcu_preempt state:R running task stack:27840 pid:16 ppid:2 flags:0x00004000 [ 175.261603][ C1] Call Trace: [ 175.264897][ C1] [ 175.267848][ C1] __schedule+0x10e9/0x40d0 [ 175.272406][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 175.277671][ C1] ? _raw_spin_unlock+0x40/0x40 [ 175.282558][ C1] ? release_firmware_map_entry+0x18a/0x18a [ 175.288500][ C1] schedule+0xb9/0x180 [ 175.292599][ C1] schedule_timeout+0x15c/0x280 [ 175.297479][ C1] ? console_conditional_schedule+0x40/0x40 [ 175.303399][ C1] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 175.309419][ C1] ? update_process_times+0x1b0/0x1b0 [ 175.314839][ C1] ? prepare_to_swait_event+0x335/0x350 [ 175.320414][ C1] rcu_gp_fqs_loop+0x2f2/0x1310 [ 175.325306][ C1] ? rcu_gp_kthread+0x380/0x380 [ 175.330183][ C1] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 175.336216][ C1] ? rcu_gp_init+0x14b0/0x14b0 [ 175.341012][ C1] ? rcu_gp_cleanup+0xb4c/0xca0 [ 175.345903][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 175.351142][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 175.356382][ C1] rcu_gp_kthread+0x95/0x380 [ 175.361011][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 175.366170][ C1] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 175.372094][ C1] ? __kthread_parkme+0x162/0x1c0 [ 175.377158][ C1] kthread+0x29d/0x330 [ 175.381260][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 175.386409][ C1] ? kthread_blkcg+0xd0/0xd0 [ 175.391032][ C1] ret_from_fork+0x1f/0x30 [ 175.395490][ C1] [ 175.398549][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 175.404904][ C1] CPU: 1 PID: 4277 Comm: syz-executor319 Not tainted 6.1.135-syzkaller #0 [ 175.413418][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 175.423494][ C1] RIP: 0033:0x7f5389c54c87 [ 175.427945][ C1] Code: 0b e9 68 fe ff ff 48 83 c4 18 48 8d 3d 12 17 09 00 5b 5d 41 5c 41 5d 41 5e 41 5f e9 63 d8 fd ff 0f 1f 00 b8 27 00 00 00 0f 05 0f 1f 84 00 00 00 00 00 b8 6e 00 00 00 0f 05 c3 0f 1f 84 00 00 [ 175.447583][ C1] RSP: 002b:00007ffe206bbcc8 EFLAGS: 00000202 [ 175.453665][ C1] RAX: 0000000000000003 RBX: 00007ffe206bbe30 RCX: 00007f5389c54c87 [ 175.461653][ C1] RDX: 00007ffe206bbd00 RSI: 00007ffe206bbe30 RDI: 0000000000000021 [ 175.469649][ C1] RBP: 0000000000000000 R08: 00007f5389c16990 R09: 00007f5389c16990 [ 175.477642][ C1] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f5389cb433c [ 175.485630][ C1] R13: 00007f5389cae106 R14: 00007ffe206bc300 R15: 0000000000000000 [ 175.493704][ C1] FS: 000055557edeb3c0 GS: 0000000000000000