Warning: Permanently added '10.128.0.233' (ED25519) to the list of known hosts. [ 155.380678][ T5798] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 155.389554][ T5798] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 155.398047][ T5798] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 155.410347][ T5798] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 155.417662][ T5803] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 155.426021][ T5798] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 155.435700][ T5800] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 155.437221][ T5805] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 155.448540][ T5800] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 155.453652][ T5798] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 155.463308][ T5800] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 155.468208][ T5798] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 155.475403][ T5800] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 155.486875][ T5800] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 155.488621][ T5798] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 155.502892][ T5800] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 155.503245][ T5805] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 155.518352][ T5800] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 155.518586][ T5798] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 155.536483][ T5798] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 155.544151][ T5805] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 155.554072][ T5805] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 155.567654][ T5805] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 155.575926][ T5082] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 executing program executing program [ 260.896474][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 260.903955][ C0] rcu: (detected by 0, t=10502 jiffies, g=10149, q=54 ncpus=2) [ 260.911757][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10501 (4294963144-4294952643), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 260.925712][ C0] rcu: rcu_preempt kthread starved for 10502 jiffies! g10149 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 260.936966][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 260.946986][ C0] rcu: RCU grace-period kthread stack dump: [ 260.952940][ C0] task:rcu_preempt state:R running task stack:27688 pid:17 ppid:2 flags:0x00004000 [ 260.963928][ C0] Call Trace: [ 260.967339][ C0] [ 260.970314][ C0] __schedule+0x14d2/0x44d0 [ 260.975217][ C0] ? _raw_spin_unlock_irqrestore+0x86/0x110 [ 260.981700][ C0] ? lockdep_hardirqs_on+0x98/0x150 [ 260.987074][ C0] ? _raw_spin_unlock_irqrestore+0xae/0x110 [ 260.993283][ C0] ? asan.module_dtor+0x20/0x20 [ 260.998384][ C0] ? enqueue_timer+0x225/0x530 [ 261.003647][ C0] ? __mod_timer+0x984/0xdb0 [ 261.008690][ C0] schedule+0xbd/0x170 [ 261.013178][ C0] schedule_timeout+0x160/0x280 [ 261.018347][ C0] ? console_conditional_schedule+0x40/0x40 [ 261.024450][ C0] ? _raw_spin_unlock_irqrestore+0x86/0x110 [ 261.030431][ C0] ? update_process_times+0x1b0/0x1b0 [ 261.036335][ C0] ? prepare_to_swait_event+0x339/0x360 [ 261.041977][ C0] rcu_gp_fqs_loop+0x302/0x1560 [ 261.047020][ C0] ? dump_blkd_tasks+0x810/0x810 [ 261.052176][ C0] ? rcu_gp_init+0x1510/0x1510 [ 261.057103][ C0] ? rcu_gp_cleanup+0xb4c/0xca0 [ 261.062028][ C0] ? _raw_spin_unlock_irq+0x23/0x50 [ 261.067418][ C0] ? lockdep_hardirqs_on+0x98/0x150 [ 261.072888][ C0] rcu_gp_kthread+0x99/0x380 [ 261.077607][ C0] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 261.082799][ C0] ? __kthread_parkme+0x7a/0x1c0 [ 261.088325][ C0] ? __kthread_parkme+0x162/0x1c0 [ 261.093534][ C0] kthread+0x2fa/0x390 [ 261.097697][ C0] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 261.102993][ C0] ? kthread_blkcg+0xd0/0xd0 [ 261.107738][ C0] ret_from_fork+0x48/0x80 [ 261.112293][ C0] ? kthread_blkcg+0xd0/0xd0 [ 261.116931][ C0] ret_from_fork_asm+0x11/0x20 [ 261.121779][ C0] [ 261.124851][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 261.131235][ C0] CPU: 0 PID: 5818 Comm: syz-executor123 Not tainted syzkaller #0 [ 261.139081][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 261.149308][ C0] RIP: 0010:__local_bh_enable_ip+0x136/0x1c0 [ 261.155550][ C0] Code: 8a e8 3e 8a 16 09 65 66 8b 05 86 22 b2 7e 66 85 c0 75 54 bf 01 00 00 00 e8 07 ed 09 00 e8 b2 7a 3a 00 fb 65 8b 05 52 22 b2 7e <85> c0 75 05 e8 31 08 af ff 48 c7 04 24 0e 36 e0 45 4b c7 04 37 00 [ 261.175315][ C0] RSP: 0018:ffffc90004a7f840 EFLAGS: 00000286 [ 261.181611][ C0] RAX: 0000000080000000 RBX: 0000000000000200 RCX: 8248ced9b1e81500 [ 261.189635][ C0] RDX: dffffc0000000000 RSI: ffffffff8aaabce0 RDI: ffffffff8afc73a0 [ 261.198045][ C0] RBP: ffffc90004a7f8d0 R08: ffffffff8e4a39ef R09: 1ffffffff1c9473d [ 261.206180][ C0] R10: dffffc0000000000 R11: fffffbfff1c9473e R12: ffffffff81313b9b [ 261.214322][ C0] R13: dffffc0000000000 R14: dffffc0000000000 R15: 1ffff9200094ff08 [ 261.222537][ C0] FS: 0000555565b003c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 [ 261.231624][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 261.238436][ C0] CR2: 00007f781d36a9e0 CR3: 000000001de69000 CR4: 00000000003506f0 [ 261.246556][ C0] Call Trace: [ 261.249890][ C0] [ 261.252890][ C0] ? _local_bh_enable+0xa0/0xa0 [ 261.258632][ C0] ? __lock_acquire+0x1334/0x7c80 [ 261.263779][ C0] ? xfd_validate_state+0x6d/0x150 [ 261.268963][ C0] ? copy_fpstate_to_sigframe+0x43c/0xbe0 [ 261.274756][ C0] copy_fpstate_to_sigframe+0x49d/0xbe0 [ 261.280556][ C0] ? copy_fpstate_to_sigframe+0x17b/0xbe0 [ 261.286528][ C0] ? fpregs_set+0x330/0x330 [ 261.291100][ C0] ? verify_lock_unused+0x140/0x140 [ 261.296804][ C0] ? ktime_get+0x7f/0x280 [ 261.301702][ C0] ? fpu__alloc_mathframe+0xa7/0x130 [ 261.307373][ C0] get_sigframe+0x5ce/0x7c0 [ 261.312037][ C0] ? load_gs_index+0x190/0x190 [ 261.317046][ C0] ? __might_fault+0xaa/0x120 [ 261.321964][ C0] ? __lock_acquire+0x7c80/0x7c80 [ 261.327408][ C0] ? lockdep_hardirqs_on+0x98/0x150 [ 261.332695][ C0] x64_setup_rt_frame+0x158/0xcd0 [ 261.337819][ C0] ? _raw_spin_unlock_irq+0x29/0x50 [ 261.343110][ C0] ? __bpf_trace_rseq_ip_fixup+0x1f0/0x1f0 [ 261.349073][ C0] ? lockdep_hardirqs_on_prepare+0x400/0x760 [ 261.355124][ C0] ? sigaltstack_size_valid+0x1e0/0x1e0 [ 261.360832][ C0] ? arch_do_signal_or_restart+0x37f/0x7b0 [ 261.366716][ C0] arch_do_signal_or_restart+0x3fa/0x7b0 [ 261.372515][ C0] ? get_sigframe_size+0x20/0x20 [ 261.377558][ C0] ? exit_to_user_mode_loop+0x3b/0x110 [ 261.383084][ C0] exit_to_user_mode_loop+0x70/0x110 [ 261.388448][ C0] exit_to_user_mode_prepare+0xf6/0x180 [ 261.394154][ C0] syscall_exit_to_user_mode+0x1a/0x50 [ 261.399776][ C0] do_syscall_64+0x61/0xb0 [ 261.404245][ C0] ? clear_bhb_loop+0x40/0x90 [ 261.409285][ C0] ? clear_bhb_loop+0x40/0x90 [ 261.414219][ C0] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 261.420302][ C0] RIP: 0033:0x7f781d35088a [ 261.425060][ C0] Code: 48 3d 00 f0 ff ff 77 48 c3 0f 1f 80 00 00 00 00 48 83 ec 18 89 7c 24 0c e8 b3 7e 02 00 8b 7c 24 0c 89 c2 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 36 89 d7 89 44 24 0c e8 13 7f 02 00 8b 44 24 [ 261.444911][ C0] RSP: 002b:00007ffff7345c40 EFLAGS: 00000293 [ 261.451056][ C0] RAX: fffffffffffffff7 RBX: 000000000000000a RCX: 00007f781d35088a [ 261.459181][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000009 [ 261.467474][ C0] RBP: 0000000000000000 R08: 00007f781d309990 R09: 00007f781d309990 [ 261.475627][ C0] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f781d3a805c [ 261.483825][ C0] R13: 00007f781d3a110f R14: 00007ffff7345c90 R15: 0000000000000000 [ 261.492316][ C0]