Warning: Permanently added '10.128.0.97' (ED25519) to the list of known hosts. [ 68.230583][ T5790] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 68.239236][ T5790] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 68.247146][ T5790] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 68.255416][ T5790] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 68.277160][ T5794] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 68.284674][ T5801] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 68.287000][ T5794] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 68.293096][ T5801] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 68.300346][ T5794] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 68.306814][ T5802] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 68.314180][ T5794] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 68.321495][ T5801] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 68.327753][ T5794] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 68.334519][ T5802] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 68.342603][ T5794] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 68.352020][ T5802] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 68.356095][ T5794] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 68.363276][ T5802] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 68.370126][ T5794] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 68.385609][ T5802] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 68.385864][ T5794] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 68.401200][ T5794] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 68.411309][ T5794] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 68.419614][ T51] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 executing program executing program [ 173.655497][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 173.662577][ C1] rcu: (detected by 1, t=10502 jiffies, g=7809, q=72 ncpus=2) [ 173.670195][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4294954480-4294943978), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 173.683667][ C1] rcu: rcu_preempt kthread starved for 10502 jiffies! g7809 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 173.694795][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 173.704871][ C1] rcu: RCU grace-period kthread stack dump: [ 173.710786][ C1] task:rcu_preempt state:R running task stack:27752 pid:17 ppid:2 flags:0x00004000 [ 173.721692][ C1] Call Trace: [ 173.725009][ C1] [ 173.727989][ C1] __schedule+0x14d2/0x44d0 [ 173.732586][ C1] ? _raw_spin_unlock_irqrestore+0x86/0x110 [ 173.738509][ C1] ? lockdep_hardirqs_on+0x98/0x150 [ 173.743743][ C1] ? _raw_spin_unlock_irqrestore+0xae/0x110 [ 173.749666][ C1] ? asan.module_dtor+0x20/0x20 [ 173.754557][ C1] ? enqueue_timer+0x225/0x530 [ 173.759355][ C1] ? __mod_timer+0x984/0xdb0 [ 173.763988][ C1] schedule+0xbd/0x170 [ 173.768086][ C1] schedule_timeout+0x160/0x280 [ 173.772959][ C1] ? console_conditional_schedule+0x40/0x40 [ 173.778879][ C1] ? update_process_times+0x1b0/0x1b0 [ 173.784310][ C1] ? prepare_to_swait_event+0x339/0x360 [ 173.789889][ C1] rcu_gp_fqs_loop+0x302/0x1560 [ 173.794779][ C1] ? rcu_gp_init+0x110e/0x1510 [ 173.799841][ C1] ? rcu_gp_kthread+0x380/0x380 [ 173.804722][ C1] ? lockdep_hardirqs_on_prepare+0x400/0x760 [ 173.810732][ C1] ? rcu_gp_init+0x1510/0x1510 [ 173.815529][ C1] ? rcu_gp_cleanup+0xb4c/0xca0 [ 173.820420][ C1] ? _raw_spin_unlock_irq+0x23/0x50 [ 173.825655][ C1] ? lockdep_hardirqs_on+0x98/0x150 [ 173.830893][ C1] rcu_gp_kthread+0x99/0x380 [ 173.835519][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 173.840664][ C1] ? __kthread_parkme+0x7a/0x1c0 [ 173.845636][ C1] ? __kthread_parkme+0x162/0x1c0 [ 173.850698][ C1] kthread+0x2fa/0x390 [ 173.854880][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 173.860032][ C1] ? kthread_blkcg+0xd0/0xd0 [ 173.864647][ C1] ret_from_fork+0x48/0x80 [ 173.869101][ C1] ? kthread_blkcg+0xd0/0xd0 [ 173.873890][ C1] ret_from_fork_asm+0x11/0x20 [ 173.878698][ C1] [ 173.881741][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 173.888098][ C1] CPU: 1 PID: 5812 Comm: syz-executor370 Not tainted syzkaller #0 [ 173.896012][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 173.906125][ C1] RIP: 0033:0x7f31c28badf1 [ 173.910602][ C1] Code: 00 00 00 00 00 0f 1f 40 00 83 ff 21 74 0b c3 66 2e 0f 1f 84 00 00 00 00 00 55 53 48 89 f3 48 83 ec 18 8b 6e 10 e8 cf 7e fd ff <39> c5 0f 85 f7 00 00 00 83 7b 08 fa 0f 85 ed 00 00 00 48 8b 05 3e [ 173.930231][ C1] RSP: 002b:00007ffef543f5d0 EFLAGS: 00000202 [ 173.936327][ C1] RAX: 0000000000000003 RBX: 00007ffef543f730 RCX: 00007f31c2892cc7 [ 173.944353][ C1] RDX: 00007ffef543f600 RSI: 00007ffef543f730 RDI: 0000000000000021 [ 173.952373][ C1] RBP: 0000000000000000 R08: 00007f31c2854990 R09: 00007f31c2854990 [ 173.960364][ C1] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f31c28f233c [ 173.968360][ C1] R13: 00007f31c28ec106 R14: 00007ffef543fbc0 R15: 0000000000000000 [ 173.976354][ C1] FS: 000055555f7fa3c0 GS: 0000000000000000