Warning: Permanently added '10.128.1.4' (ED25519) to the list of known hosts.
syzkaller login: [ 71.001539][ T5794] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 71.009242][ T5794] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1
[ 71.016830][ T5794] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1
[ 71.026886][ T5797] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9
[ 71.035461][ T5797] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 71.036514][ T5794] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9
[ 71.043684][ T5797] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9
[ 71.049787][ T5794] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 71.057680][ T5797] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4
[ 71.064288][ T5794] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1
[ 71.071225][ T5797] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9
[ 71.078289][ T5794] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9
[ 71.085961][ T5797] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3
[ 71.092589][ T5794] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9
[ 71.098639][ T5797] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2
[ 71.112818][ T5797] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 71.113436][ T5794] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4
[ 71.128109][ T50] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3
[ 71.132695][ T5805] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4
[ 71.142494][ T5794] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2
[ 71.150433][ T5794] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3
[ 71.158202][ T5794] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2
[ 71.190294][ T5800] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3
[ 71.198445][ T5800] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 176.427374][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[ 176.434471][ C1] rcu: (detected by 1, t=10502 jiffies, g=6869, q=53 ncpus=2)
[ 176.442023][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4294954743-4294944241), jiffies_till_next_fqs=1, root ->qsmask 0x0
[ 176.455403][ C1] rcu: rcu_preempt kthread starved for 10502 jiffies! g6869 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
[ 176.466515][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
[ 176.476488][ C1] rcu: RCU grace-period kthread stack dump:
[ 176.482386][ C1] task:rcu_preempt state:R running task stack:27528 pid:17 ppid:2 flags:0x00004000
[ 176.493196][ C1] Call Trace:
[ 176.496480][ C1]
[ 176.499425][ C1] __schedule+0x14d2/0x44d0
[ 176.503981][ C1] ? _raw_spin_unlock_irqrestore+0x86/0x110
[ 176.509887][ C1] ? lockdep_hardirqs_on+0x98/0x150
[ 176.515097][ C1] ? _raw_spin_unlock_irqrestore+0xae/0x110
[ 176.521002][ C1] ? asan.module_dtor+0x20/0x20
[ 176.525860][ C1] ? enqueue_timer+0x225/0x530
[ 176.530636][ C1] ? __mod_timer+0x984/0xdb0
[ 176.535246][ C1] schedule+0xbd/0x170
[ 176.539322][ C1] schedule_timeout+0x160/0x280
[ 176.544186][ C1] ? console_conditional_schedule+0x40/0x40
[ 176.550090][ C1] ? update_process_times+0x1b0/0x1b0
[ 176.555485][ C1] ? prepare_to_swait_event+0x339/0x360
[ 176.561042][ C1] rcu_gp_fqs_loop+0x302/0x1560
[ 176.565905][ C1] ? rcu_gp_init+0x110e/0x1510
[ 176.570689][ C1] ? rcu_gp_kthread+0x380/0x380
[ 176.575555][ C1] ? lockdep_hardirqs_on_prepare+0x400/0x760
[ 176.581543][ C1] ? rcu_gp_init+0x1510/0x1510
[ 176.586323][ C1] ? rcu_gp_cleanup+0xb4c/0xca0
[ 176.591532][ C1] ? _raw_spin_unlock_irq+0x23/0x50
[ 176.596747][ C1] ? lockdep_hardirqs_on+0x98/0x150
[ 176.601967][ C1] rcu_gp_kthread+0x99/0x380
[ 176.606573][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0
[ 176.611696][ C1] ? __kthread_parkme+0x7a/0x1c0
[ 176.616646][ C1] ? __kthread_parkme+0x162/0x1c0
[ 176.621684][ C1] kthread+0x2fa/0x390
[ 176.625758][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0
[ 176.630884][ C1] ? kthread_blkcg+0xd0/0xd0
[ 176.635475][ C1] ret_from_fork+0x48/0x80
[ 176.639907][ C1] ? kthread_blkcg+0xd0/0xd0
[ 176.644506][ C1] ret_from_fork_asm+0x11/0x20
[ 176.649292][ C1]
[ 176.652322][ C1] rcu: Stack dump where RCU GP kthread last ran:
[ 176.658641][ C1] Sending NMI from CPU 1 to CPUs 0:
[ 176.663863][ C0] NMI backtrace for cpu 0
[ 176.663881][ C0] CPU: 0 PID: 5814 Comm: syz-executor218 Not tainted 6.6.101-syzkaller #0
[ 176.663895][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 176.663903][ C0] RIP: 0010:trace_hardirqs_on_prepare+0xb/0x30
[ 176.663928][ C0] Code: 24 a0 00 00 00 75 0f 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 f4 1f e1 08 0f 1f 40 00 f3 0f 1e fa 65 8b 05 8d 52 77 7e <85> c0 74 14 48 8b 3c 24 e8 18 00 00 00 65 c7 05 75 52 77 7e 00 00
[ 176.663939][ C0] RSP: 0018:ffffc9000481ff08 EFLAGS: 00000046
[ 176.663951][ C0] RAX: 0000000000000001 RBX: ffffc9000481ff58 RCX: ffff88802aec5a00
[ 176.663961][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 176.663969][ C0] RBP: ffffc9000481ff48 R08: ffff88802aec5a07 R09: 1ffff110055d8b40
[ 176.663979][ C0] R10: dffffc0000000000 R11: ffffed10055d8b41 R12: 0000000000000000
[ 176.663988][ C0] R13: 0000000000000000 R14: ffffc9000481ff58 R15: 000000000000000f
[ 176.663996][ C0] FS: 000055559457b3c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
[ 176.664008][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 176.664017][ C0] CR2: 00007f13ebd43be0 CR3: 000000002c29a000 CR4: 00000000003506f0
[ 176.664030][ C0] Call Trace:
[ 176.664035][ C0]
[ 176.664040][ C0] syscall_exit_to_user_mode+0x1f/0x50
[ 176.664062][ C0] do_syscall_64+0x61/0xb0
[ 176.664076][ C0] ? clear_bhb_loop+0x40/0x90
[ 176.664089][ C0] ? clear_bhb_loop+0x40/0x90
[ 176.664103][ C0] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 176.664123][ C0] RIP: 0033:0x7f13ebd522d0
[ 176.664142][ C0] Code: 83 c0 16 83 e0 f7 74 12 50 48 8d 3d 3a bf 02 00 e8 75 ec fa ff 0f 1f 44 00 00 c3 66 66 2e 0f 1f 84 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
[ 176.664152][ C0] RSP: 002b:00007fff2343c938 EFLAGS: 00000246
[ 176.664163][ C0] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007f13ebd2c289
[ 176.664171][ C0] RDX: 00007fff2343c940 RSI: 00007fff2343ca70 RDI: 0000000000000021
[ 176.664180][ C0] RBP: 0000000000000000 R08: 00007f13ebce4990 R09: 00007f13ebce4990
[ 176.664188][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f13ebd7c178
[ 176.664201][ C0] R13: 00007f13ebd82e3c R14: 00007fff2343cf30 R15: 0000000000000000
[ 176.664217][ C0]