Warning: Permanently added '10.128.0.2' (ED25519) to the list of known hosts. [ 78.906113][ T4289] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 78.909346][ T4290] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 78.914498][ T4289] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 78.921663][ T4290] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 78.928791][ T4289] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 78.937369][ T4290] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 78.949757][ T4289] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 78.951075][ T4290] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 78.957801][ T4289] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 78.964530][ T4290] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 78.972399][ T4289] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 78.979560][ T4290] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 78.985134][ T4289] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 78.992363][ T4290] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 79.000637][ T4289] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 79.008872][ T4290] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 79.014367][ T4289] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 79.021402][ T4290] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 79.028285][ T4289] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 79.035833][ T4290] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 79.042927][ T4289] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 79.049874][ T4290] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 79.056593][ T4289] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 79.063047][ T4290] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 79.070368][ T4289] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 79.078218][ T4290] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 79.084308][ T4289] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 79.098667][ T4291] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 79.100995][ T4289] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 79.122449][ T4280] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 79.289397][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 79.297869][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 79.309657][ T75] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 79.398320][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 79.413773][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 79.431978][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready executing program [ 79.463530][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 79.471550][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 79.490466][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 79.498242][ T41] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 79.517440][ T41] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 79.529032][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 79.599600][ T46] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 79.609061][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 79.632819][ T75] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 79.651258][ T46] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 79.659323][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 79.666982][ T75] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 79.680270][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 79.701123][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 79.710175][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 79.743287][ T46] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 79.751274][ T46] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 executing program [ 79.809875][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 184.822606][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 184.829749][ C1] rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P4272/2:b..l [ 184.838138][ C1] (detected by 1, t=10502 jiffies, g=7913, q=129 ncpus=2) [ 184.845908][ C1] task:syz-executor110 state:R running task stack:24864 pid:4272 ppid:4268 flags:0x00004002 [ 184.857402][ C1] Call Trace: [ 184.860758][ C1] [ 184.863734][ C1] __schedule+0x10ec/0x40b0 [ 184.868330][ C1] ? __sched_text_start+0x8/0x8 [ 184.873228][ C1] ? lock_chain_count+0x20/0x20 [ 184.878268][ C1] ? preempt_schedule_irq+0xa6/0x150 [ 184.883598][ C1] preempt_schedule_irq+0xb1/0x150 [ 184.888767][ C1] ? preempt_schedule_notrace+0x110/0x110 [ 184.894555][ C1] ? rcu_is_watching+0x11/0xa0 [ 184.899565][ C1] ? rcu_irq_exit_check_preempt+0xdb/0x210 [ 184.905431][ C1] irqentry_exit+0x63/0x70 [ 184.909896][ C1] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 184.915914][ C1] RIP: 0010:lock_acquire+0x20f/0x490 [ 184.921246][ C1] Code: 00 9c 8f 84 24 80 00 00 00 f6 84 24 81 00 00 00 02 0f 85 f5 00 00 00 41 f7 c6 00 02 00 00 74 01 fb 48 c7 44 24 60 0e 36 e0 45 <4b> c7 44 3d 00 00 00 00 00 66 43 c7 44 3d 09 00 00 43 c6 44 3d 0b [ 184.941033][ C1] RSP: 0018:ffffc90003c574c0 EFLAGS: 00000206 [ 184.947137][ C1] RAX: 0000000000000001 RBX: 0000000000000000 RCX: 2002b0e278a67100 [ 184.955145][ C1] RDX: 0000000000000000 RSI: ffffffff8a8c1680 RDI: ffffffff8adefd20 [ 184.963153][ C1] RBP: ffffc90003c575d8 R08: dffffc0000000000 R09: fffffbfff215c449 [ 184.971185][ C1] R10: fffffbfff215c449 R11: 1ffffffff215c448 R12: 0000000000000001 [ 184.979192][ C1] R13: 1ffff9200078aea4 R14: 0000000000000246 R15: dffffc0000000000 [ 184.987353][ C1] ? read_lock_is_recursive+0x10/0x10 [ 184.992784][ C1] ? unwind_next_frame+0x1880/0x20b0 [ 184.998197][ C1] ? deref_stack_reg+0x19f/0x230 [ 185.003284][ C1] ? preempt_count_add+0x8d/0x190 [ 185.008354][ C1] ? unwind_next_frame+0x1880/0x20b0 [ 185.013807][ C1] is_bpf_text_address+0x43/0x2a0 [ 185.018900][ C1] ? is_bpf_text_address+0x22/0x2a0 [ 185.024161][ C1] ? is_bpf_text_address+0x22/0x2a0 [ 185.029517][ C1] kernel_text_address+0x9c/0xd0 [ 185.034545][ C1] __kernel_text_address+0x9/0x30 [ 185.039614][ C1] unwind_get_return_address+0x49/0x80 [ 185.045120][ C1] ? stack_trace_save+0xe0/0xe0 [ 185.050036][ C1] arch_stack_walk+0xf2/0x140 [ 185.054798][ C1] stack_trace_save+0x98/0xe0 [ 185.059531][ C1] ? stack_trace_snprint+0xf0/0xf0 [ 185.064700][ C1] save_stack+0xf3/0x1e0 [ 185.068982][ C1] ? __reset_page_owner+0x1a0/0x1a0 [ 185.074217][ C1] ? free_unref_page_prepare+0x8b4/0x9a0 [ 185.080353][ C1] ? free_unref_page+0x2e/0x3f0 [ 185.085273][ C1] ? qlist_free_all+0x76/0xe0 [ 185.089983][ C1] ? kasan_quarantine_reduce+0x144/0x160 [ 185.095649][ C1] ? __kasan_slab_alloc+0x1e/0x80 [ 185.100716][ C1] ? slab_post_alloc_hook+0x4b/0x480 [ 185.106038][ C1] ? __kmem_cache_alloc_node+0x140/0x260 [ 185.111716][ C1] ? __kmalloc+0xa0/0x240 [ 185.116092][ C1] ? tomoyo_realpath_from_path+0xdf/0x5d0 [ 185.121854][ C1] ? tomoyo_path_number_perm+0x1e3/0x600 [ 185.127534][ C1] ? security_file_ioctl+0x6c/0xa0 [ 185.132684][ C1] ? __se_sys_ioctl+0x48/0x170 [ 185.137508][ C1] ? do_syscall_64+0x4c/0xa0 [ 185.142142][ C1] ? entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 185.148260][ C1] ? page_ext_get+0x1e/0x2a0 [ 185.152896][ C1] ? page_ext_get+0x1de/0x2a0 [ 185.157615][ C1] __reset_page_owner+0x51/0x1a0 [ 185.162594][ C1] free_unref_page_prepare+0x8b4/0x9a0 [ 185.168122][ C1] free_unref_page+0x2e/0x3f0 [ 185.172861][ C1] qlist_free_all+0x76/0xe0 [ 185.177422][ C1] kasan_quarantine_reduce+0x144/0x160 [ 185.182915][ C1] __kasan_slab_alloc+0x1e/0x80 [ 185.187815][ C1] slab_post_alloc_hook+0x4b/0x480 [ 185.193066][ C1] ? slab_pre_alloc_hook+0x59/0x310 [ 185.198331][ C1] ? tomoyo_realpath_from_path+0xdf/0x5d0 [ 185.204107][ C1] __kmem_cache_alloc_node+0x140/0x260 [ 185.209623][ C1] ? tomoyo_realpath_from_path+0xdf/0x5d0 [ 185.215393][ C1] __kmalloc+0xa0/0x240 [ 185.219611][ C1] tomoyo_realpath_from_path+0xdf/0x5d0 [ 185.225216][ C1] tomoyo_path_number_perm+0x1e3/0x600 [ 185.230719][ C1] ? tomoyo_path_number_perm+0x1b6/0x600 [ 185.236399][ C1] ? tomoyo_check_path_acl+0x1c0/0x1c0 [ 185.241978][ C1] ? _copy_to_user+0xea/0x130 [ 185.246693][ C1] ? put_user_ifreq+0x81/0xb0 [ 185.251429][ C1] ? sock_show_fdinfo+0xb0/0xb0 [ 185.256465][ C1] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 185.262514][ C1] ? fd_install+0x5c/0x4e0 [ 185.266981][ C1] ? lock_chain_count+0x20/0x20 [ 185.272228][ C1] security_file_ioctl+0x6c/0xa0 [ 185.277238][ C1] __se_sys_ioctl+0x48/0x170 [ 185.281965][ C1] do_syscall_64+0x4c/0xa0 [ 185.286451][ C1] ? clear_bhb_loop+0x60/0xb0 [ 185.291311][ C1] ? clear_bhb_loop+0x60/0xb0 [ 185.296034][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 185.301972][ C1] RIP: 0033:0x7fdea42afa3b [ 185.306444][ C1] RSP: 002b:00007ffc9f487360 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 185.314901][ C1] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fdea42afa3b [ 185.322915][ C1] RDX: 00007ffc9f487550 RSI: 0000000000008914 RDI: 0000000000000004 [ 185.330939][ C1] RBP: 00007fdea43393c0 R08: 0000000000000000 R09: 0000000000000000 [ 185.338969][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc9f487551 [ 185.346979][ C1] R13: 00007ffc9f487550 R14: 0000000000000003 R15: 0000000000000001 [ 185.355005][ C1] [ 185.358076][ C1] rcu: rcu_preempt kthread starved for 10550 jiffies! g7913 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 185.369762][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 185.379957][ C1] rcu: RCU grace-period kthread stack dump: [ 185.385874][ C1] task:rcu_preempt state:R running task stack:26912 pid:16 ppid:2 flags:0x00004000 [ 185.396813][ C1] Call Trace: [ 185.400214][ C1] [ 185.403230][ C1] __schedule+0x10ec/0x40b0 [ 185.407785][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 185.413037][ C1] ? _raw_spin_unlock+0x40/0x40 [ 185.417942][ C1] ? __sched_text_start+0x8/0x8 [ 185.422851][ C1] schedule+0xb9/0x180 [ 185.426963][ C1] schedule_timeout+0x15c/0x280 [ 185.431861][ C1] ? console_conditional_schedule+0x40/0x40 [ 185.437809][ C1] ? _raw_spin_unlock_irqrestore+0x82/0x100 [ 185.443759][ C1] ? update_process_times+0x1b0/0x1b0 [ 185.449186][ C1] ? prepare_to_swait_event+0x335/0x350 [ 185.454980][ C1] rcu_gp_fqs_loop+0x2f2/0x1310 [ 185.459878][ C1] ? dump_blkd_tasks+0x810/0x810 [ 185.464949][ C1] ? rcu_gp_init+0x14b0/0x14b0 [ 185.469761][ C1] ? rcu_gp_cleanup+0xb4c/0xca0 [ 185.474695][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 185.480127][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 185.485602][ C1] rcu_gp_kthread+0x95/0x380 [ 185.490246][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 185.495778][ C1] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 185.501817][ C1] ? __kthread_parkme+0x162/0x1c0 [ 185.507066][ C1] kthread+0x29d/0x330 [ 185.511183][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 185.516331][ C1] ? kthread_blkcg+0xd0/0xd0 [ 185.521149][ C1] ret_from_fork+0x1f/0x30 [ 185.525627][ C1] [ 185.528724][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 185.535102][ C1] CPU: 1 PID: 4294 Comm: syz-executor110 Not tainted syzkaller #0 [ 185.542946][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 185.553118][ C1] RIP: 0010:_raw_spin_unlock_irq+0x25/0x40 [ 185.558976][ C1] Code: f5 ff 0f 1f 00 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 6e c8 41 f7 48 89 df e8 c6 8d 42 f7 e8 f1 7f 65 f7 fb bf 01 00 00 00 16 0b 36 f7 65 8b 05 17 c4 e0 75 85 c0 74 02 5b c3 e8 64 d5 de [ 185.578710][ C1] RSP: 0018:ffffc90003cd7bb8 EFLAGS: 00000286 [ 185.584821][ C1] RAX: ecd73f5cb6167200 RBX: ffff88801ce81bc0 RCX: ecd73f5cb6167200 [ 185.592826][ C1] RDX: dffffc0000000000 RSI: ffffffff8a8c0500 RDI: 0000000000000001 [ 185.600920][ C1] RBP: ffff88801ce82058 R08: dffffc0000000000 R09: ffffed10039d0379 [ 185.608927][ C1] R10: ffffed10039d0379 R11: 1ffff110039d0378 R12: 1ffff110039d040b [ 185.616947][ C1] R13: 0000000000000021 R14: dffffc0000000000 R15: 0000000000000000 [ 185.624958][ C1] FS: 0000555583e023c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 [ 185.634316][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 185.641316][ C1] CR2: 0000200000000380 CR3: 000000007d592000 CR4: 00000000003506e0 [ 185.649512][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 185.657539][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 185.665564][ C1] Call Trace: [ 185.668888][ C1] [ 185.671861][ C1] get_signal+0x1163/0x1350 [ 185.676452][ C1] arch_do_signal_or_restart+0xb0/0x1230 [ 185.682161][ C1] ? __ia32_sys_rt_sigreturn+0x660/0x790 [ 185.687860][ C1] ? load_gs_index+0x120/0x120 [ 185.692669][ C1] ? get_sigframe_size+0x10/0x10 [ 185.697668][ C1] ? exit_to_user_mode_loop+0x3b/0x110 [ 185.703193][ C1] exit_to_user_mode_loop+0x70/0x110 [ 185.708528][ C1] exit_to_user_mode_prepare+0xee/0x180 [ 185.714123][ C1] syscall_exit_to_user_mode+0x16/0x40 [ 185.719678][ C1] do_syscall_64+0x58/0xa0 [ 185.724136][ C1] ? clear_bhb_loop+0x60/0xb0 [ 185.728856][ C1] ? clear_bhb_loop+0x60/0xb0 [ 185.733573][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 185.739516][ C1] RIP: 0033:0x7fdea42afc79 [ 185.744051][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 91 1a 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 [ 185.764308][ C1] RSP: 002b:00007ffc9f4871f8 EFLAGS: 00000246 [ 185.770602][ C1] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007fdea42afc79 [ 185.778607][ C1] RDX: 0000200000000500 RSI: 0000000000000000 RDI: 0000000000000000 [ 185.786610][ C1] RBP: 0000000000000000 R08: 00007fdea426e990 R09: 00007fdea426e990 [ 185.794611][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fdea430611d [ 185.802703][ C1] R13: 0000000000000003 R14: 00007ffc9f487230 R15: 0000000000000000 [ 185.810744][ C1] [ 185.814111][ C1] sched: RT throttling activated [ 185.828886][ T4291] Bluetooth: hci1: command 0x0409 tx timeout [ 185.829916][ T3043] cfg80211: failed to load regulatory.db [ 185.842214][ T4280] Bluetooth: hci3: command 0x0409 tx timeout [ 185.848969][ T4280] Bluetooth: hci4: command 0x0409 tx timeout [ 185.849002][ T4276] Bluetooth: hci0: command 0x0409 tx timeout [ 185.849074][ T48] Bluetooth: hci2: command 0x0409 tx timeout executing program