Warning: Permanently added '10.128.0.92' (ED25519) to the list of known hosts. [ 198.451752][ T3544] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 198.470226][ T3552] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 198.473254][ T3553] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 198.478762][ T3552] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 198.485349][ T3553] Bluetooth: hci5: unexpected cc 0x0c03 length: 249 > 1 [ 198.492429][ T3552] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 198.499643][ T3553] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 198.506832][ T3552] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 198.513751][ T3553] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 198.520588][ T3552] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 198.527614][ T3553] Bluetooth: hci5: unexpected cc 0x1003 length: 249 > 9 [ 198.534057][ T3552] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 198.541351][ T3553] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 198.555727][ T3553] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 198.555763][ T3552] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 198.563259][ T3553] Bluetooth: hci5: unexpected cc 0x1001 length: 249 > 9 [ 198.570004][ T3552] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 198.577029][ T3553] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 198.591910][ T3552] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 198.592060][ T3553] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 198.601063][ T3552] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 198.606852][ T3553] Bluetooth: hci5: unexpected cc 0x0c23 length: 249 > 4 [ 198.615312][ T3555] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 198.620173][ T3553] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 198.627123][ T3554] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 198.634194][ T3553] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 198.641233][ T3555] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 198.647869][ T3552] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 198.662823][ T3552] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 198.675440][ T48] Bluetooth: hci5: unexpected cc 0x0c25 length: 249 > 3 [ 198.675632][ T3552] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 198.682705][ T3555] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 198.690054][ T3552] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 198.703643][ T3552] Bluetooth: hci5: unexpected cc 0x0c38 length: 249 > 2 [ 198.711151][ T3552] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 198.718775][ T3555] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 303.884926][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 303.892025][ C1] (detected by 1, t=10502 jiffies, g=4841, q=23 ncpus=2) [ 303.899143][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10500 (4294967514-4294957014), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 303.912596][ C1] rcu: rcu_preempt kthread starved for 10500 jiffies! g4841 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 303.923710][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 303.933680][ C1] rcu: RCU grace-period kthread stack dump: [ 303.939572][ C1] task:rcu_preempt state:R running task stack:27064 pid:16 ppid:2 flags:0x00004000 [ 303.950361][ C1] Call Trace: [ 303.953642][ C1] [ 303.956584][ C1] __schedule+0x132c/0x4330 [ 303.961218][ C1] ? __mod_timer+0x956/0xee0 [ 303.965906][ C1] ? release_firmware_map_entry+0x185/0x185 [ 303.971804][ C1] ? lockdep_softirqs_off+0x420/0x420 [ 303.977191][ C1] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 303.983109][ C1] ? _raw_spin_unlock+0x40/0x40 [ 303.988061][ C1] schedule+0xbf/0x180 [ 303.992153][ C1] schedule_timeout+0x1b9/0x300 [ 303.997011][ C1] ? console_conditional_schedule+0x40/0x40 [ 304.003093][ C1] ? update_process_times+0x1b0/0x1b0 [ 304.008478][ C1] ? prepare_to_swait_event+0x321/0x340 [ 304.014095][ C1] rcu_gp_fqs_loop+0x2c2/0x1010 [ 304.018997][ C1] ? dump_blkd_tasks+0x810/0x810 [ 304.023946][ C1] ? lockdep_hardirqs_on+0x94/0x130 [ 304.029168][ C1] ? rcu_gp_init+0x15d0/0x15d0 [ 304.035333][ C1] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 304.041245][ C1] ? finish_swait+0xc5/0x1d0 [ 304.045845][ C1] rcu_gp_kthread+0xa3/0x3a0 [ 304.050448][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 304.055566][ C1] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 304.061467][ C1] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 304.067464][ C1] ? __kthread_parkme+0x15c/0x1c0 [ 304.072556][ C1] kthread+0x26e/0x300 [ 304.076632][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 304.081752][ C1] ? kthread_blkcg+0xd0/0xd0 [ 304.086349][ C1] ret_from_fork+0x1f/0x30 [ 304.090838][ C1] [ 304.093865][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 304.100211][ C1] CPU: 1 PID: 3559 Comm: syz-executor317 Not tainted 6.1.48-syzkaller #0 [ 304.108717][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 304.118779][ C1] RIP: 0010:lock_acquire+0x26f/0x5a0 [ 304.124078][ C1] Code: 2b 00 74 08 4c 89 f7 e8 6f a5 76 00 f6 44 24 61 02 0f 85 84 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 [ 304.143692][ C1] RSP: 0018:ffffc90003c1f7e0 EFLAGS: 00000206 [ 304.149780][ C1] RAX: 0000000000000001 RBX: 1ffff92000783f08 RCX: ffffffff816aa635 [ 304.157756][ C1] RDX: dffffc0000000000 RSI: ffffffff8aebf420 RDI: ffffffff8b3ceb60 [ 304.165734][ C1] RBP: ffffc90003c1f938 R08: dffffc0000000000 R09: fffffbfff209344b [ 304.173714][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff92000783f04 [ 304.181696][ C1] R13: dffffc0000000000 R14: ffffc90003c1f840 R15: 0000000000000246 [ 304.189696][ C1] FS: 0000555555f723c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 304.198630][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 304.205221][ C1] CR2: 00007ffb56ecd4c0 CR3: 0000000079a52000 CR4: 00000000003506e0 [ 304.213212][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 304.221189][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 304.229165][ C1] Call Trace: [ 304.232450][ C1] [ 304.235302][ C1] ? rcu_check_gp_kthread_starvation+0x1b8/0x220 [ 304.241645][ C1] ? _find_next_bit+0x11b/0x120 [ 304.246535][ C1] ? print_other_cpu_stall+0x150c/0x1640 [ 304.252190][ C1] ? rcu_stall_kick_kthreads+0x230/0x230 [ 304.257849][ C1] ? rcu_sched_clock_irq+0x97f/0x1850 [ 304.263237][ C1] ? rcutree_dead_cpu+0x20/0x20 [ 304.268095][ C1] ? hrtimer_run_queues+0x163/0x450 [ 304.273304][ C1] ? acct_account_cputime+0xdd/0x270 [ 304.278667][ C1] ? update_process_times+0x147/0x1b0 [ 304.284055][ C1] ? tick_sched_timer+0x386/0x550 [ 304.289156][ C1] ? tick_setup_sched_timer+0x2f0/0x2f0 [ 304.294707][ C1] ? __hrtimer_run_queues+0x5a7/0xe50 [ 304.300113][ C1] ? hrtimer_interrupt+0x980/0x980 [ 304.305241][ C1] ? ktime_get_update_offsets_now+0x407/0x420 [ 304.311320][ C1] ? hrtimer_interrupt+0x392/0x980 [ 304.316464][ C1] ? __sysvec_apic_timer_interrupt+0x156/0x580 [ 304.322703][ C1] ? sysvec_apic_timer_interrupt+0x8c/0xb0 [ 304.328519][ C1] [ 304.331452][ C1] [ 304.334388][ C1] ? asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 304.340688][ C1] ? validate_chain+0x115/0x58e0 [ 304.345633][ C1] ? lock_acquire+0x26f/0x5a0 [ 304.350322][ C1] ? read_lock_is_recursive+0x10/0x10 [ 304.355705][ C1] ? __might_sleep+0xb0/0xb0 [ 304.360350][ C1] ? __lock_acquire+0x125b/0x1f80 [ 304.365390][ C1] __might_fault+0xb2/0x110 [ 304.369936][ C1] ? __might_fault+0x8f/0x110 [ 304.374622][ C1] copy_fpstate_to_sigframe+0x186/0xd80 [ 304.380199][ C1] ? fpregs_set+0x740/0x740 [ 304.384708][ C1] ? __might_fault+0xb6/0x110 [ 304.389393][ C1] ? __lock_acquire+0x1f80/0x1f80 [ 304.394438][ C1] ? fpu__alloc_mathframe+0xa6/0x120 [ 304.399733][ C1] get_sigframe+0x378/0x4b0 [ 304.404304][ C1] ? restore_sigcontext+0x700/0x700 [ 304.409557][ C1] arch_do_signal_or_restart+0x4ef/0x1a10 [ 304.415286][ C1] ? __might_fault+0xb6/0x110 [ 304.419969][ C1] ? __lock_acquire+0x1f80/0x1f80 [ 304.425032][ C1] ? do_sigaltstack+0x3f3/0x610 [ 304.429986][ C1] ? get_sigframe_size+0x10/0x10 [ 304.434934][ C1] ? restore_altstack+0x107/0x150 [ 304.439992][ C1] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 304.446009][ C1] ? exit_to_user_mode_loop+0x39/0x100 [ 304.451509][ C1] exit_to_user_mode_loop+0x6a/0x100 [ 304.456894][ C1] exit_to_user_mode_prepare+0xb1/0x140 [ 304.462449][ C1] syscall_exit_to_user_mode+0x60/0x270 [ 304.468014][ C1] do_syscall_64+0x49/0xb0 [ 304.472484][ C1] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 304.478391][ C1] RIP: 0033:0x7ffb56eb5e79 [ 304.482815][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 18 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 [ 304.502441][ C1] RSP: 002b:00007fff7d8a8cb8 EFLAGS: 00000246 [ 304.508529][ C1] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007ffb56eb5e79 [ 304.516504][ C1] RDX: 000000002006b000 RSI: 0000000000000000 RDI: 0000000000000000 [ 304.524478][ C1] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000 [ 304.532477][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 304.540452][ C1] R13: 0000000000000005 R14: 00007fff7d8a8d30 R15: 00007fff7d8a8d20 [ 304.548460][ C1]