Warning: Permanently added '10.128.1.165' (ED25519) to the list of known hosts. [ 191.129628][ T5096] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 191.138209][ T5097] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 191.145297][ T5097] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 191.149271][ T5099] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 191.152603][ T5097] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 191.159688][ T5099] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 191.167077][ T5097] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 191.173751][ T5099] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 191.187365][ T5097] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 191.188083][ T5099] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 191.194777][ T5097] Bluetooth: hci5: unexpected cc 0x0c03 length: 249 > 1 [ 191.201679][ T5099] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 191.210123][ T5097] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 191.215556][ T5099] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 191.222342][ T5097] Bluetooth: hci5: unexpected cc 0x1003 length: 249 > 9 [ 191.229530][ T5099] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 191.236703][ T5097] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 191.244629][ T5099] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 191.250230][ T5097] Bluetooth: hci5: unexpected cc 0x1001 length: 249 > 9 [ 191.259951][ T5099] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 191.267474][ T5097] Bluetooth: hci5: unexpected cc 0x0c23 length: 249 > 4 [ 191.272111][ T5099] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 191.278556][ T5097] Bluetooth: hci5: unexpected cc 0x0c25 length: 249 > 3 [ 191.285067][ T5099] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 191.292044][ T5097] Bluetooth: hci5: unexpected cc 0x0c38 length: 249 > 2 [ 191.299677][ T5099] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 191.307356][ T5097] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 191.314868][ T5094] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 191.327428][ T5099] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 191.333115][ T5097] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 191.335524][ T5099] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 191.342847][ T5097] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 191.356555][ T5099] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 191.364058][ T5082] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 191.376893][ T5090] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 191.387911][ T5090] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 296.705791][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 296.712847][ C0] rcu: (detected by 0, t=10502 jiffies, g=8653, q=6 ncpus=2) [ 296.720336][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294966741-4294956238), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 296.733733][ C0] rcu: rcu_preempt kthread starved for 10504 jiffies! g8653 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 296.744876][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 296.754867][ C0] rcu: RCU grace-period kthread stack dump: [ 296.760767][ C0] task:rcu_preempt state:R running task stack:28352 pid:17 tgid:17 ppid:2 flags:0x00004000 [ 296.772546][ C0] Call Trace: [ 296.775866][ C0] [ 296.778845][ C0] __schedule+0xf15/0x5c80 [ 296.783354][ C0] ? io_schedule_timeout+0x150/0x150 [ 296.788695][ C0] ? lock_release+0x4c8/0x6a0 [ 296.793427][ C0] ? schedule+0x1fa/0x270 [ 296.797807][ C0] ? reacquire_held_locks+0x4c0/0x4c0 [ 296.803228][ C0] ? timer_fixup_activate+0x230/0x230 [ 296.808665][ C0] ? lockdep_init_map_type+0x16d/0x7d0 [ 296.814167][ C0] schedule+0xe7/0x270 [ 296.818281][ C0] schedule_timeout+0x136/0x290 [ 296.823178][ C0] ? usleep_range_state+0x1a0/0x1a0 [ 296.828430][ C0] ? do_init_timer+0x100/0x100 [ 296.833258][ C0] ? _raw_spin_unlock_irqrestore+0x3b/0x70 [ 296.839115][ C0] ? prepare_to_swait_event+0xf0/0x470 [ 296.844632][ C0] rcu_gp_fqs_loop+0x1eb/0xb00 [ 296.849473][ C0] ? rcu_check_gp_kthread_starvation+0x450/0x450 [ 296.855876][ C0] ? rcu_is_watching+0x12/0xb0 [ 296.860689][ C0] ? trace_irq_enable.constprop.0+0xe0/0x110 [ 296.866743][ C0] rcu_gp_kthread+0x271/0x380 [ 296.871494][ C0] ? rcu_gp_init+0x14f0/0x14f0 [ 296.876337][ C0] ? __kthread_parkme+0x148/0x220 [ 296.881422][ C0] ? rcu_gp_init+0x14f0/0x14f0 [ 296.886242][ C0] kthread+0x2c1/0x3a0 [ 296.890358][ C0] ? trace_irq_enable.constprop.0+0xe0/0x110 [ 296.896412][ C0] ? kthread_complete_and_exit+0x40/0x40 [ 296.902114][ C0] ret_from_fork+0x45/0x80 [ 296.906591][ C0] ? kthread_complete_and_exit+0x40/0x40 [ 296.912280][ C0] ret_from_fork_asm+0x11/0x20 [ 296.917116][ C0] [ 296.920158][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 296.926503][ C0] Sending NMI from CPU 0 to CPUs 1: [ 296.931739][ C1] NMI backtrace for cpu 1 [ 296.931750][ C1] CPU: 1 PID: 5105 Comm: syz-executor447 Not tainted 6.7.0-rc6-next-20231222-syzkaller #0 [ 296.931777][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 296.931791][ C1] RIP: 0010:__might_fault+0xa7/0x190 [ 296.931834][ C1] Code: ee e8 bd b4 91 ff 48 b8 00 00 00 00 00 fc ff df 65 48 8b 1d 9b e8 3a 7e 48 8d bb 28 05 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 <0f> 85 be 00 00 00 48 83 bb 28 05 00 00 00 74 b0 e8 74 39 bf ff 48 [ 296.931857][ C1] RSP: 0018:ffffc90003b47af0 EFLAGS: 00000246 [ 296.931876][ C1] RAX: dffffc0000000000 RBX: ffff888067c28000 RCX: ffffffff81c8d9f2 [ 296.931893][ C1] RDX: 1ffff1100cf850a5 RSI: 0000000000000061 RDI: ffff888067c28528 [ 296.931909][ C1] RBP: 0000000000000061 R08: 0000000000000005 R09: 0000000000000000 [ 296.931924][ C1] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 296.931938][ C1] R13: ffff888067c28000 R14: 0000000000000000 R15: ffffc90003b47b78 [ 296.931954][ C1] FS: 00005555561f33c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 296.931979][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 296.932004][ C1] CR2: 000000002006b000 CR3: 0000000022a70000 CR4: 00000000003506f0 [ 296.932020][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 296.932034][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 296.932049][ C1] Call Trace: [ 296.932056][ C1] [ 296.932063][ C1] ? show_regs+0x8e/0xa0 [ 296.932095][ C1] ? nmi_cpu_backtrace+0x1d4/0x390 [ 296.932130][ C1] ? nmi_cpu_backtrace_handler+0xc/0x10 [ 296.932170][ C1] ? nmi_handle+0x1a6/0x580 [ 296.932202][ C1] ? __might_fault+0xa7/0x190 [ 296.932241][ C1] ? default_do_nmi+0x6a/0x160 [ 296.932265][ C1] ? exc_nmi+0x186/0x200 [ 296.932286][ C1] ? end_repeat_nmi+0xf/0x2a [ 296.932322][ C1] ? __might_fault+0x62/0x190 [ 296.932360][ C1] ? __might_fault+0xa7/0x190 [ 296.932399][ C1] ? __might_fault+0xa7/0x190 [ 296.932437][ C1] ? __might_fault+0xa7/0x190 [ 296.932475][ C1] [ 296.932482][ C1] [ 296.932490][ C1] __fpu_restore_sig+0xe0/0x13a0 [ 296.932533][ C1] ? save_fsave_header+0x2e0/0x2e0 [ 296.932573][ C1] ? rcu_is_watching+0x12/0xb0 [ 296.932604][ C1] ? lock_release+0x4c8/0x6a0 [ 296.932631][ C1] ? lock_release+0x4c8/0x6a0 [ 296.932653][ C1] ? __might_fault+0xe3/0x190 [ 296.932693][ C1] fpu__restore_sig+0x102/0x170 [ 296.932733][ C1] restore_sigcontext+0x4c4/0x690 [ 296.932772][ C1] ? sigaltstack_size_valid+0x270/0x270 [ 296.932809][ C1] ? _raw_spin_unlock_irq+0x2e/0x50 [ 296.932857][ C1] ? rcu_is_watching+0x12/0xb0 [ 296.932887][ C1] ? trace_irq_enable.constprop.0+0xe0/0x110 [ 296.932932][ C1] __do_sys_rt_sigreturn+0x138/0x230 [ 296.932971][ C1] ? x64_setup_rt_frame+0xcb0/0xcb0 [ 296.933015][ C1] ? rcu_is_watching+0x12/0xb0 [ 296.933046][ C1] ? trace_irq_enable.constprop.0+0xe0/0x110 [ 296.933088][ C1] do_syscall_64+0x40/0x110 [ 296.933126][ C1] entry_SYSCALL_64_after_hwframe+0x62/0x6a [ 296.933157][ C1] RIP: 0033:0x7fa177e2dfea [ 296.933174][ C1] 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 c3 64 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 23 65 02 00 8b 44 24 [ 296.933196][ C1] RSP: 002b:00007ffe88183300 EFLAGS: 00000293 [ 296.933213][ C1] RAX: fffffffffffffff7 RBX: 0000000000000006 RCX: 00007fa177e2dfea [ 296.933229][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 296.933244][ C1] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000 [ 296.933258][ C1] R10: 0000000000000000 R11: 0000000000000293 R12: 00005555561f3370 [ 296.933273][ C1] R13: 0000000000000001 R14: 00007ffe88183390 R15: 00007ffe88183380 [ 296.933297][ C1] [ 296.933305][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.566 msecs