Warning: Permanently added '10.128.0.250' (ED25519) to the list of known hosts. [ 192.455992][ T5089] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 192.464811][ T5089] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 192.493006][ T5098] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 192.500815][ T5099] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 192.502548][ T5098] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 192.508610][ T5099] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 192.516556][ T5098] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 192.523423][ T5099] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 192.530646][ T5098] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 192.537613][ T5099] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 192.546362][ T5098] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 192.551225][ T5099] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 192.564936][ T5098] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 192.565276][ T5099] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 192.574932][ T5098] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 192.579825][ T5102] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 192.588779][ T5098] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 192.602505][ T5098] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 192.610830][ T5098] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 192.618365][ T5098] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 192.626174][ T5102] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 192.626243][ T5098] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 192.633403][ T5102] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 192.641140][ T5098] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 192.656724][ T5102] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 192.656825][ T5089] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 192.671569][ T5089] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 192.679649][ T5093] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 192.689301][ T52] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 192.705899][ T52] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 executing program executing program [ 298.045100][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 298.052224][ C1] rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P5084/1:b..l [ 298.060474][ C1] rcu: (detected by 1, t=10503 jiffies, g=5721, q=12 ncpus=2) [ 298.068032][ C1] task:syz-executor870 state:R running task stack:23984 pid:5084 tgid:5084 ppid:5083 flags:0x00000002 [ 298.080383][ C1] Call Trace: [ 298.083680][ C1] [ 298.086631][ C1] __schedule+0x1781/0x49d0 [ 298.091352][ C1] ? mark_lock+0x9a/0x350 [ 298.095785][ C1] ? __pfx_validate_chain+0x10/0x10 [ 298.101009][ C1] ? __pfx___schedule+0x10/0x10 [ 298.105881][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 298.111886][ C1] ? preempt_schedule_irq+0xf0/0x1c0 [ 298.117187][ C1] preempt_schedule_irq+0xfb/0x1c0 [ 298.122312][ C1] ? __pfx_preempt_schedule_irq+0x10/0x10 [ 298.128057][ C1] irqentry_exit+0x5e/0x90 [ 298.132597][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 298.138660][ C1] RIP: 0010:lock_acquire+0x25b/0x530 [ 298.143958][ C1] Code: 2b 00 74 08 4c 89 f7 e8 b3 5a 83 00 f6 44 24 61 02 0f 85 8e 01 00 00 41 f7 c7 00 02 00 00 74 01 fb 48 c7 44 24 40 0e 36 e0 45 <4b> c7 44 25 00 00 00 00 00 43 c7 44 25 09 00 00 00 00 43 c7 44 25 [ 298.163582][ C1] RSP: 0018:ffffc90003e5f200 EFLAGS: 00000206 [ 298.169666][ C1] RAX: 0000000000000001 RBX: 1ffff920007cbe4c RCX: 0000000000000001 [ 298.177652][ C1] RDX: dffffc0000000000 RSI: ffffffff8baad360 RDI: ffffffff8bfdff00 [ 298.185636][ C1] RBP: ffffc90003e5f348 R08: ffffffff92cae507 R09: 1ffffffff2595ca0 [ 298.193618][ C1] R10: dffffc0000000000 R11: fffffbfff2595ca1 R12: 1ffff920007cbe48 [ 298.201601][ C1] R13: dffffc0000000000 R14: ffffc90003e5f260 R15: 0000000000000246 [ 298.209789][ C1] ? __pfx_lock_release+0x10/0x10 [ 298.214841][ C1] ? __pfx_lock_acquire+0x10/0x10 [ 298.219879][ C1] ? deref_stack_reg+0x1c7/0x260 [ 298.224880][ C1] ? __read_once_word_nocheck+0x9/0x20 [ 298.230357][ C1] ? deref_stack_reg+0x1c7/0x260 [ 298.235317][ C1] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 298.241507][ C1] ? is_bpf_text_address+0x26/0x2b0 [ 298.246754][ C1] is_bpf_text_address+0x42/0x2b0 [ 298.251801][ C1] ? is_bpf_text_address+0x26/0x2b0 [ 298.257020][ C1] ? is_module_text_address+0x128/0x190 [ 298.262586][ C1] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 298.268765][ C1] kernel_text_address+0xa7/0xe0 [ 298.273758][ C1] __kernel_text_address+0xd/0x40 [ 298.278882][ C1] unwind_get_return_address+0x5d/0xc0 [ 298.284360][ C1] ? entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 298.290444][ C1] arch_stack_walk+0x125/0x1b0 [ 298.295255][ C1] stack_trace_save+0x118/0x1d0 [ 298.300123][ C1] ? stack_depot_save_flags+0x29/0x860 [ 298.305647][ C1] ? __pfx_stack_trace_save+0x10/0x10 [ 298.311045][ C1] ? anon_vma_fork+0x87/0x580 [ 298.315781][ C1] kasan_save_track+0x3f/0x80 [ 298.320478][ C1] ? kasan_save_track+0x3f/0x80 [ 298.325340][ C1] ? __kasan_slab_alloc+0x66/0x80 [ 298.330378][ C1] ? kmem_cache_alloc+0x174/0x340 [ 298.335416][ C1] ? anon_vma_fork+0xe8/0x580 [ 298.340108][ C1] ? copy_mm+0xe79/0x21b0 [ 298.344481][ C1] ? copy_process+0x187a/0x3df0 [ 298.349346][ C1] ? kernel_clone+0x223/0x840 [ 298.354033][ C1] ? __x64_sys_clone+0x258/0x2a0 [ 298.358984][ C1] ? do_syscall_64+0xfb/0x240 [ 298.363670][ C1] ? entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 298.369803][ C1] __kasan_slab_alloc+0x66/0x80 [ 298.374678][ C1] kmem_cache_alloc+0x174/0x340 [ 298.379545][ C1] ? anon_vma_fork+0xe8/0x580 [ 298.384235][ C1] anon_vma_fork+0xe8/0x580 [ 298.388757][ C1] ? dup_userfaultfd+0x2c3/0x820 [ 298.393757][ C1] copy_mm+0xe79/0x21b0 [ 298.397954][ C1] ? __pfx_copy_mm+0x10/0x10 [ 298.402569][ C1] ? __init_rwsem+0x122/0x160 [ 298.407262][ C1] ? copy_signal+0x549/0x670 [ 298.411864][ C1] copy_process+0x187a/0x3df0 [ 298.416570][ C1] ? copy_process+0xa03/0x3df0 [ 298.421354][ C1] ? __pfx_copy_process+0x10/0x10 [ 298.426408][ C1] kernel_clone+0x223/0x840 [ 298.430929][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 298.436930][ C1] ? __pfx_kernel_clone+0x10/0x10 [ 298.441988][ C1] __x64_sys_clone+0x258/0x2a0 [ 298.446771][ C1] ? __pfx___x64_sys_clone+0x10/0x10 [ 298.452084][ C1] ? do_syscall_64+0x10a/0x240 [ 298.456866][ C1] ? do_syscall_64+0xb6/0x240 [ 298.461576][ C1] do_syscall_64+0xfb/0x240 [ 298.466098][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 298.472093][ C1] RIP: 0033:0x7f958cd6dc33 [ 298.476521][ C1] RSP: 002b:00007fff6e3ef9b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 298.484951][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f958cd6dc33 [ 298.492934][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 298.500933][ C1] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 [ 298.508947][ C1] R10: 000055558ab23690 R11: 0000000000000246 R12: 0000000000000000 [ 298.516966][ C1] R13: 0000000000000004 R14: 00007fff6e3efb30 R15: 00007fff6e3efb20 [ 298.525007][ C1] [ 298.528057][ C1] rcu: rcu_preempt kthread starved for 10550 jiffies! g5721 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 298.539190][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 298.549172][ C1] rcu: RCU grace-period kthread stack dump: [ 298.555068][ C1] task:rcu_preempt state:R running task stack:26232 pid:16 tgid:16 ppid:2 flags:0x00004000 [ 298.566843][ C1] Call Trace: [ 298.570145][ C1] [ 298.573107][ C1] __schedule+0x1781/0x49d0 [ 298.577675][ C1] ? __pfx___schedule+0x10/0x10 [ 298.582650][ C1] ? __pfx_lock_release+0x10/0x10 [ 298.587708][ C1] ? __asan_memset+0x23/0x50 [ 298.592326][ C1] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 298.598174][ C1] ? schedule+0x90/0x320 [ 298.602471][ C1] schedule+0x14b/0x320 [ 298.606669][ C1] schedule_timeout+0x1be/0x310 [ 298.611556][ C1] ? __pfx_schedule_timeout+0x10/0x10 [ 298.616977][ C1] ? __pfx_process_timeout+0x10/0x10 [ 298.622290][ C1] ? prepare_to_swait_event+0x32e/0x350 [ 298.627866][ C1] rcu_gp_fqs_loop+0x2df/0x1370 [ 298.632731][ C1] ? lockdep_hardirqs_on+0x99/0x150 [ 298.637957][ C1] ? __pfx_rcu_gp_init+0x10/0x10 [ 298.642915][ C1] ? lockdep_hardirqs_on+0x99/0x150 [ 298.648150][ C1] ? __pfx_rcu_gp_fqs_loop+0x10/0x10 [ 298.653486][ C1] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 298.659485][ C1] ? finish_swait+0xd4/0x1e0 [ 298.664099][ C1] rcu_gp_kthread+0xa7/0x3b0 [ 298.668714][ C1] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 298.673926][ C1] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 298.679842][ C1] ? __kthread_parkme+0x169/0x1d0 [ 298.684883][ C1] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 298.690099][ C1] kthread+0x2f0/0x390 [ 298.694212][ C1] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 298.699450][ C1] ? __pfx_kthread+0x10/0x10 [ 298.704087][ C1] ret_from_fork+0x4b/0x80 [ 298.708542][ C1] ? __pfx_kthread+0x10/0x10 [ 298.713159][ C1] ret_from_fork_asm+0x1a/0x30 [ 298.718001][ C1] [ 298.721034][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 298.727368][ C1] Sending NMI from CPU 1 to CPUs 0: [ 298.732585][ C0] NMI backtrace for cpu 0 [ 298.732596][ C0] CPU: 0 PID: 5111 Comm: syz-executor870 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0 [ 298.732613][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 298.732621][ C0] RIP: 0010:check_preemption_disabled+0x4d/0x120 [ 298.732645][ C0] Code: f1 1e 98 74 a9 ff ff ff 7f 74 26 65 48 8b 04 25 28 00 00 00 48 3b 44 24 08 0f 85 ce 00 00 00 89 d8 48 83 c4 10 5b 41 5c 41 5e <41> 5f c3 cc cc cc cc 48 c7 04 24 00 00 00 00 9c 8f 04 24 f7 04 24 [ 298.732657][ C0] RSP: 0018:ffffc90000007fa8 EFLAGS: 00000086 [ 298.732673][ C0] RAX: 0000000000000000 RBX: ffffffff8dafb9d0 RCX: ffffffff944a6603 [ 298.732684][ C0] RDX: 0000000000000000 RSI: ffffffff8bfdfee0 RDI: ffffffff8bfdfea0 [ 298.732695][ C0] RBP: ffff88807a9c3c00 R08: ffffffff8f860def R09: 1ffffffff1f0c1bd [ 298.732707][ C0] R10: dffffc0000000000 R11: ffffc90000007ff8 R12: ffff8880b94288a8 [ 298.732718][ C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000010000 [ 298.732729][ C0] FS: 000055558ab233c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 [ 298.732742][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 298.732753][ C0] CR2: 000000002006b000 CR3: 000000007a976000 CR4: 00000000003506f0 [ 298.732766][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 298.732775][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 298.732785][ C0] Call Trace: [ 298.732792][ C0] [ 298.732799][ C0] ? nmi_cpu_backtrace+0x3c2/0x4d0 [ 298.732908][ C0] ? __pfx_lock_acquire+0x10/0x10 [ 298.732926][ C0] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 298.732942][ C0] ? nmi_handle+0x2a/0x580 [ 298.732971][ C0] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 298.732989][ C0] ? nmi_handle+0x14f/0x580 [ 298.733004][ C0] ? nmi_handle+0x2a/0x580 [ 298.733019][ C0] ? check_preemption_disabled+0x4d/0x120 [ 298.733034][ C0] ? default_do_nmi+0x63/0x160 [ 298.733051][ C0] ? exc_nmi+0x123/0x1f0 [ 298.733068][ C0] ? end_repeat_nmi+0xf/0x53 [ 298.733092][ C0] ? check_preemption_disabled+0x4d/0x120 [ 298.733107][ C0] ? check_preemption_disabled+0x4d/0x120 [ 298.733124][ C0] ? check_preemption_disabled+0x4d/0x120 [ 298.733140][ C0] [ 298.733145][ C0] [ 298.733150][ C0] irqtime_account_irq+0x6d/0x1e0 [ 298.733172][ C0] sysvec_apic_timer_interrupt+0x99/0xc0 [ 298.733192][ C0] [ 298.733197][ C0] [ 298.733203][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 298.733220][ C0] RIP: 0010:_raw_spin_unlock_irq+0x29/0x50 [ 298.733241][ C0] Code: 90 f3 0f 1e fa 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 da 67 fb f5 48 89 df e8 92 a7 fc f5 e8 fd cc 25 f6 fb bf 01 00 00 00 22 94 ee f5 65 8b 05 33 79 8d 74 85 c0 74 06 5b c3 cc cc cc cc [ 298.733258][ C0] RSP: 0018:ffffc90003fafc70 EFLAGS: 00000282 [ 298.733270][ C0] RAX: 11676286f41adb00 RBX: ffff88801cac65c0 RCX: ffffffff944a6603 [ 298.733282][ C0] RDX: dffffc0000000000 RSI: ffffffff8baac1e0 RDI: 0000000000000001 [ 298.733292][ C0] RBP: ffffc90003fafdb0 R08: ffffffff8f860def R09: 1ffffffff1f0c1bd [ 298.733303][ C0] R10: dffffc0000000000 R11: fffffbfff1f0c1be R12: 1ffff11003958d4b [ 298.733314][ C0] R13: 000000001c000004 R14: 0000000000000021 R15: ffff88801cac6a58 [ 298.733334][ C0] get_signal+0x156e/0x1850 [ 298.733363][ C0] ? __pfx_get_signal+0x10/0x10 [ 298.733387][ C0] arch_do_signal_or_restart+0x96/0x860 [ 298.733409][ C0] ? __pfx_arch_do_signal_or_restart+0x10/0x10 [ 298.733426][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 298.733447][ C0] ? syscall_exit_to_user_mode+0xa3/0x360 [ 298.733469][ C0] syscall_exit_to_user_mode+0xc9/0x360 [ 298.733491][ C0] do_syscall_64+0x10a/0x240 [ 298.733508][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 298.733525][ C0] RIP: 0033:0x7f958cd954af executing program [ 298.733538][ C0] Code: 48 89 50 50 48 8b 50 10 48 89 78 10 48 89 50 40 48 89 d7 eb b2 66 0f 1f 44 00 00 64 48 8b 0c 25 10 00 00 00 8b 91 08 03 00 00 <48> 8d b9 08 03 00 00 89 d6 83 ce 02 39 d6 74 21 89 d0 f0 0f b1 37 [ 298.733549][ C0] RSP: 002b:00007fff6e3efa98 EFLAGS: 00000206 [ 298.733561][ C0] RAX: 0000000000000000 RBX: 0000000000000004 RCX: 000055558ab233c0 [ 298.733570][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 [ 298.733579][ C0] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000 [ 298.733588][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 000055558ab23370 [ 298.733598][ C0] R13: 0000000000000002 R14: 00007fff6e3efb30 R15: 00007fff6e3efb20 [ 298.733616][ C0] [ 298.733623][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.037 msecs [ 299.135123][ C0] sched: RT throttling activated [ 299.155622][ T5093] Bluetooth: hci0: command tx timeout