Warning: Permanently added '10.128.1.111' (ED25519) to the list of known hosts. [ 115.793097][ T4277] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 115.793178][ T4276] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 115.802065][ T4277] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 115.809916][ T4276] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 115.818508][ T4277] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 115.827528][ T4276] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 115.834542][ T4277] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 115.848469][ T4276] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 115.849660][ T4277] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 115.856806][ T4276] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 115.865099][ T4277] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 115.872893][ T4276] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 115.880252][ T4277] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 115.887108][ T4276] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 115.894431][ T4277] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 115.903438][ T4276] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 115.911272][ T4277] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 115.918423][ T4276] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 115.927310][ T4277] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 115.934212][ T4276] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 115.941753][ T4277] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 115.950176][ T4276] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 115.956939][ T4277] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 115.964703][ T4276] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 115.981397][ T4264] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 115.984555][ T4279] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 115.997737][ T4279] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 115.997742][ T4276] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 116.000774][ T4277] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 116.021818][ T4277] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program executing program [ 221.322320][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 221.329931][ C1] rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P4260/1:b..l [ 221.338710][ C1] (detected by 1, t=10503 jiffies, g=8785, q=76 ncpus=2) [ 221.346135][ C1] task:syz-executor236 state:R running task stack:25920 pid:4260 ppid:4255 flags:0x00004002 [ 221.359021][ C1] Call Trace: [ 221.362505][ C1] <TASK> [ 221.365919][ C1] __schedule+0x10e9/0x40d0 [ 221.370884][ C1] ? release_firmware_map_entry+0x18a/0x18a [ 221.377042][ C1] ? lock_chain_count+0x20/0x20 [ 221.382390][ C1] ? preempt_schedule_irq+0xa6/0x150 [ 221.388271][ C1] preempt_schedule_irq+0xb1/0x150 [ 221.394334][ C1] ? preempt_schedule_notrace+0x110/0x110 [ 221.400216][ C1] ? rcu_is_watching+0x11/0xa0 [ 221.406796][ C1] ? rcu_irq_exit_check_preempt+0xdb/0x210 [ 221.413274][ C1] irqentry_exit+0x63/0x70 [ 221.419201][ C1] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 221.426206][ C1] RIP: 0010:lock_acquire+0x20f/0x490 [ 221.432337][ 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 [ 221.454258][ C1] RSP: 0018:ffffc90003d67480 EFLAGS: 00000206 [ 221.461689][ C1] RAX: 0000000000000001 RBX: 0000000000000000 RCX: 75c24ad516f25b00 [ 221.470700][ C1] RDX: 0000000000000000 RSI: ffffffff8a6c0f80 RDI: ffffffff8abf0da0 [ 221.480470][ C1] RBP: ffffc90003d67598 R08: dffffc0000000000 R09: fffffbfff2117049 [ 221.489322][ C1] R10: fffffbfff2117049 R11: 1ffffffff2117048 R12: 0000000000000001 [ 221.498143][ C1] R13: 1ffff920007ace9c R14: 0000000000000246 R15: dffffc0000000000 [ 221.508196][ C1] ? read_lock_is_recursive+0x10/0x10 [ 221.515152][ C1] ? unwind_next_frame+0x1880/0x20b0 [ 221.520669][ C1] ? deref_stack_reg+0x19f/0x230 [ 221.526846][ C1] ? preempt_count_add+0x8d/0x190 [ 221.532343][ C1] ? unwind_next_frame+0x1880/0x20b0 [ 221.538479][ C1] is_bpf_text_address+0x43/0x2a0 [ 221.545663][ C1] ? is_bpf_text_address+0x22/0x2a0 [ 221.551201][ C1] ? is_bpf_text_address+0x22/0x2a0 [ 221.558643][ C1] kernel_text_address+0x9c/0xd0 [ 221.563809][ C1] __kernel_text_address+0x9/0x30 [ 221.569672][ C1] unwind_get_return_address+0x49/0x80 [ 221.575281][ C1] ? stack_trace_save+0xe0/0xe0 [ 221.580190][ C1] arch_stack_walk+0xf2/0x140 [ 221.585012][ C1] stack_trace_save+0x98/0xe0 [ 221.589909][ C1] ? stack_trace_snprint+0xf0/0xf0 [ 221.595683][ C1] ? __lock_acquire+0x7c50/0x7c50 [ 221.601203][ C1] kasan_set_track+0x4b/0x70 [ 221.607041][ C1] ? kasan_set_track+0x4b/0x70 [ 221.612341][ C1] ? kasan_save_free_info+0x2d/0x50 [ 221.618147][ C1] ? ____kasan_slab_free+0x126/0x1e0 [ 221.623586][ C1] ? slab_free_freelist_hook+0x131/0x1a0 [ 221.629258][ C1] ? kmem_cache_free+0xf7/0x290 [ 221.634141][ C1] ? kern_path+0x3b/0x50 [ 221.638425][ C1] ? tomoyo_mount_permission+0x75f/0x940 [ 221.644364][ C1] ? security_sb_mount+0x83/0xb0 [ 221.650235][ C1] ? path_mount+0xb8/0x1010 [ 221.654889][ C1] ? __se_sys_mount+0x2d6/0x3c0 [ 221.659826][ C1] ? do_syscall_64+0x4c/0xa0 [ 221.664923][ C1] ? entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 221.671174][ C1] ? kmem_cache_free+0xf7/0x290 [ 221.676203][ C1] kasan_save_free_info+0x2d/0x50 [ 221.681631][ C1] ____kasan_slab_free+0x126/0x1e0 [ 221.687245][ C1] slab_free_freelist_hook+0x131/0x1a0 [ 221.693577][ C1] ? kern_path+0x3b/0x50 [ 221.698237][ C1] kmem_cache_free+0xf7/0x290 [ 221.703758][ C1] kern_path+0x3b/0x50 [ 221.708334][ C1] tomoyo_mount_permission+0x75f/0x940 [ 221.714485][ C1] ? tomoyo_mount_permission+0x266/0x940 [ 221.721641][ C1] ? tomoyo_get_name+0x510/0x510 [ 221.728110][ C1] ? user_path_at_empty+0x48/0x60 [ 221.734022][ C1] ? kasan_quarantine_put+0xd4/0x220 [ 221.740626][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 221.746679][ C1] security_sb_mount+0x83/0xb0 [ 221.752558][ C1] path_mount+0xb8/0x1010 [ 221.757384][ C1] ? kmem_cache_free+0xf7/0x290 [ 221.762562][ C1] __se_sys_mount+0x2d6/0x3c0 [ 221.767541][ C1] ? __x64_sys_mount+0xc0/0xc0 [ 221.774022][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 221.780998][ C1] ? __x64_sys_mount+0x1c/0xc0 [ 221.786263][ C1] do_syscall_64+0x4c/0xa0 [ 221.791719][ C1] ? clear_bhb_loop+0x45/0xa0 [ 221.797641][ C1] ? clear_bhb_loop+0x45/0xa0 [ 221.804521][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 221.810920][ C1] RIP: 0033:0x7fe9408efcea [ 221.816807][ C1] RSP: 002b:00007fff699bc1f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 221.828500][ C1] RAX: ffffffffffffffda RBX: 00007fe9409460ae RCX: 00007fe9408efcea [ 221.837923][ C1] RDX: 0000000000000000 RSI: 00007fe940946181 RDI: 00007fe940946192 [ 221.846906][ C1] RBP: 00007fe940946181 R08: 0000000000000000 R09: 0000000000000000 [ 221.856499][ C1] R10: 0000000000045001 R11: 0000000000000246 R12: 00007fe94094c33c [ 221.865480][ C1] R13: 00007fe940946106 R14: 0000000000000001 R15: 0000000000000001 [ 221.874844][ C1] </TASK> [ 221.879218][ C1] rcu: rcu_preempt kthread starved for 10557 jiffies! g8785 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 221.892058][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 221.904779][ C1] rcu: RCU grace-period kthread stack dump: [ 221.911329][ C1] task:rcu_preempt state:R running task stack:27840 pid:16 ppid:2 flags:0x00004000 [ 221.926184][ C1] Call Trace: [ 221.929713][ C1] <TASK> [ 221.933127][ C1] __schedule+0x10e9/0x40d0 [ 221.938912][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 221.945909][ C1] ? _raw_spin_unlock+0x40/0x40 [ 221.951271][ C1] ? release_firmware_map_entry+0x18a/0x18a [ 221.958129][ C1] schedule+0xb9/0x180 [ 221.962859][ C1] schedule_timeout+0x15c/0x280 [ 221.968227][ C1] ? console_conditional_schedule+0x40/0x40 [ 221.974852][ C1] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 221.982734][ C1] ? update_process_times+0x1b0/0x1b0 [ 221.988561][ C1] ? prepare_to_swait_event+0x335/0x350 [ 221.995946][ C1] rcu_gp_fqs_loop+0x2f2/0x1310 [ 222.001909][ C1] ? rcu_gp_kthread+0x380/0x380 [ 222.008429][ C1] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 222.016046][ C1] ? rcu_gp_init+0x14b0/0x14b0 [ 222.022185][ C1] ? rcu_gp_cleanup+0xb4c/0xca0 [ 222.029068][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 222.034774][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 222.040998][ C1] rcu_gp_kthread+0x95/0x380 [ 222.047739][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 222.055253][ C1] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 222.062617][ C1] ? __kthread_parkme+0x162/0x1c0 [ 222.067983][ C1] kthread+0x29d/0x330 [ 222.072478][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 222.078271][ C1] ? kthread_blkcg+0xd0/0xd0 [ 222.084291][ C1] ret_from_fork+0x1f/0x30 [ 222.089659][ C1] </TASK> [ 222.093254][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 222.101025][ C1] Sending NMI from CPU 1 to CPUs 0: [ 222.107332][ C0] NMI backtrace for cpu 0 [ 222.107362][ C0] CPU: 0 PID: 4280 Comm: syz-executor236 Not tainted 6.1.136-syzkaller #0 [ 222.107379][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 222.107388][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x13/0x60 [ 222.107413][ C0] Code: 48 8b 3d 80 c0 7d 0c 48 89 de 5b e9 17 aa 50 00 00 00 cc cc 00 00 cc 48 8b 04 24 65 48 8b 0d 94 ab 81 7e 65 8b 15 95 ab 81 7e <81> e2 00 01 ff 00 74 11 81 fa 00 01 00 00 75 35 83 b9 1c 16 00 00 [ 222.107426][ C0] RSP: 0018:ffffc90003e27ac8 EFLAGS: 00000046 [ 222.107441][ C0] RAX: ffffffff814ffb08 RBX: ffff88803022bb80 RCX: ffff88803022bb80 [ 222.107454][ C0] RDX: 0000000080000001 RSI: 0000000000000000 RDI: 0000000000000000 [ 222.107464][ C0] RBP: 0000000000000000 R08: dffffc0000000000 R09: ffffed1006045771 [ 222.107475][ C0] R10: ffffed1006045771 R11: 1ffff11006045770 R12: dffffc0000000000 [ 222.107487][ C0] R13: 0000000000000000 R14: ffff88803022c0f0 R15: ffff88802969a908 [ 222.107498][ C0] FS: 0000555591a693c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 [ 222.107513][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 222.107523][ C0] CR2: 00007fe940945448 CR3: 00000000790e4000 CR4: 00000000003506f0 [ 222.107538][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 222.107547][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 222.107557][ C0] Call Trace: [ 222.107563][ C0] <TASK> [ 222.107568][ C0] recalc_sigpending+0x158/0x1c0 [ 222.107594][ C0] __set_current_blocked+0x1f8/0x240 [ 222.107629][ C0] signal_setup_done+0x28c/0x440 [ 222.107654][ C0] ? ptrace_signal+0x7d0/0x7d0 [ 222.107679][ C0] ? __local_bh_enable_ip+0x12a/0x1b0 [ 222.107704][ C0] ? lockdep_hardirqs_on+0x94/0x140 [ 222.107732][ C0] ? __local_bh_enable_ip+0x12a/0x1b0 [ 222.107756][ C0] ? _local_bh_enable+0xa0/0xa0 [ 222.107780][ C0] ? fpregs_activate+0xb0/0x230 [ 222.107795][ C0] ? fpu__clear_user_states+0x36/0x260 [ 222.107820][ C0] ? fpu__clear_user_states+0x19e/0x260 [ 222.107847][ C0] arch_do_signal_or_restart+0xeba/0x1230 [ 222.107876][ C0] ? get_sigframe_size+0x10/0x10 [ 222.107904][ C0] ? exit_to_user_mode_loop+0x3b/0x110 [ 222.107929][ C0] exit_to_user_mode_loop+0x70/0x110 [ 222.107952][ C0] exit_to_user_mode_prepare+0xb1/0x140 [ 222.107975][ C0] syscall_exit_to_user_mode+0x16/0x40 [ 222.107991][ C0] do_syscall_64+0x58/0xa0 [ 222.108011][ C0] ? clear_bhb_loop+0x45/0xa0 [ 222.108027][ C0] ? clear_bhb_loop+0x45/0xa0 [ 222.108042][ C0] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 222.108068][ C0] RIP: 0033:0x7fe940914d90 [ 222.108080][ C0] Code: 83 c0 16 83 e0 f7 74 12 50 48 8d 3d 1a 2a 03 00 e8 d5 06 fb 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 [ 222.108093][ C0] RSP: 002b:00007fff699bba38 EFLAGS: 00000202 [ 222.108105][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000004 [ 222.108114][ C0] RDX: 00007fff699bba40 RSI: 00007fff699bbb70 RDI: 0000000000000021 [ 222.108124][ C0] RBP: 00007fe940977130 R08: 00007fe9408ae990 R09: 00007fe9408ae990 [ 222.108135][ C0] R10: 0000000000000000 R11: 0000000000000293 R12: 00007fe940979dc8 [ 222.108145][ C0] R13: 0000000000000000 R14: 00007fe940979de0 R15: 00007fe9408b9f80 [ 222.108163][ C0] </TASK> [ 222.482915][ C1] sched: RT throttling activated [ 222.502854][ T4277] Bluetooth: hci4: command 0x0409 tx timeout [ 222.510878][ T4277] Bluetooth: hci1: command 0x0409 tx timeout executing program [ 222.535657][ T4275] Bluetooth: hci0: command 0x0409 tx timeout [ 222.544005][ T4273] Bluetooth: hci3: command 0x0409 tx timeout [ 222.551124][ T4273] Bluetooth: hci2: command 0x0409 tx timeout executing program executing program