Warning: Permanently added '10.128.1.21' (ED25519) to the list of known hosts. [ 222.584738][ T5094] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 222.595570][ T5094] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 222.605371][ T5096] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 222.613598][ T5096] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 222.621885][ T5096] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 222.631562][ T5096] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 222.631793][ T5100] Bluetooth: hci5: unexpected cc 0x0c03 length: 249 > 1 [ 222.639260][ T5096] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 222.649086][ T5100] Bluetooth: hci5: unexpected cc 0x1003 length: 249 > 9 [ 222.654257][ T5096] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 222.660622][ T5100] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 222.667219][ T5096] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 222.675553][ T5100] Bluetooth: hci5: unexpected cc 0x1001 length: 249 > 9 [ 222.681760][ T5096] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 222.688060][ T5101] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 222.703029][ T5096] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 222.703725][ T5100] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 222.712972][ T5096] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 222.718544][ T5100] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 222.724435][ T5096] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 222.732938][ T5100] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 222.740700][ T5096] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 222.748736][ T5100] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 222.752670][ T5103] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 222.759211][ T4455] Bluetooth: hci5: unexpected cc 0x0c23 length: 249 > 4 [ 222.766378][ T5096] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 222.774362][ T4455] Bluetooth: hci5: unexpected cc 0x0c25 length: 249 > 3 [ 222.781520][ T5103] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 222.787223][ T4455] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 222.796042][ T5103] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 222.801456][ T4455] Bluetooth: hci5: unexpected cc 0x0c38 length: 249 > 2 [ 222.818164][ T5094] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 222.828075][ T5094] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 222.835670][ T5094] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 222.946801][ T50] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 222.954325][ T50] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 328.356011][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 328.363143][ C0] rcu: (detected by 0, t=10502 jiffies, g=9349, q=3 ncpus=2) [ 328.370641][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294969914-4294959411), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 328.384044][ C0] rcu: rcu_preempt kthread starved for 10504 jiffies! g9349 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 328.395196][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 328.405199][ C0] rcu: RCU grace-period kthread stack dump: [ 328.411112][ C0] task:rcu_preempt state:R running task stack:27872 pid:17 tgid:17 ppid:2 flags:0x00004000 [ 328.422905][ C0] Call Trace: [ 328.426215][ C0] [ 328.429190][ C0] __schedule+0xf15/0x5c00 [ 328.433809][ C0] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 328.439891][ C0] ? io_schedule_timeout+0x150/0x150 [ 328.445240][ C0] ? schedule+0x1fa/0x270 [ 328.449628][ C0] ? reacquire_held_locks+0x4c0/0x4c0 [ 328.455057][ C0] ? timer_fixup_activate+0x230/0x230 [ 328.460543][ C0] ? lockdep_init_map_type+0x16d/0x7d0 [ 328.466060][ C0] schedule+0xe7/0x270 [ 328.470197][ C0] schedule_timeout+0x136/0x290 [ 328.475115][ C0] ? usleep_range_state+0x1a0/0x1a0 [ 328.480424][ C0] ? do_init_timer+0x100/0x100 [ 328.485266][ C0] ? _raw_spin_unlock_irqrestore+0x3b/0x70 [ 328.491126][ C0] ? prepare_to_swait_event+0xf0/0x470 [ 328.496656][ C0] rcu_gp_fqs_loop+0x1eb/0xb00 [ 328.501500][ C0] ? rcu_check_gp_kthread_starvation+0x450/0x450 [ 328.507915][ C0] ? reacquire_held_locks+0x4c0/0x4c0 [ 328.513373][ C0] rcu_gp_kthread+0x245/0x380 [ 328.518127][ C0] ? rcu_gp_init+0x1500/0x1500 [ 328.522969][ C0] ? lockdep_hardirqs_on+0x7c/0x110 [ 328.528319][ C0] ? __kthread_parkme+0x148/0x220 [ 328.533438][ C0] ? rcu_gp_init+0x1500/0x1500 [ 328.538403][ C0] kthread+0x2c1/0x3a0 [ 328.542538][ C0] ? _raw_spin_unlock_irq+0x23/0x50 [ 328.547794][ C0] ? kthread_complete_and_exit+0x40/0x40 [ 328.553486][ C0] ret_from_fork+0x45/0x80 [ 328.558023][ C0] ? kthread_complete_and_exit+0x40/0x40 [ 328.563725][ C0] ret_from_fork_asm+0x11/0x20 [ 328.568617][ C0] [ 328.571671][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 328.578032][ C0] Sending NMI from CPU 0 to CPUs 1: [ 328.583284][ C1] NMI backtrace for cpu 1 [ 328.583297][ C1] CPU: 1 PID: 5109 Comm: syz-executor167 Not tainted 6.7.0-rc1-next-20231116-syzkaller #0 [ 328.583325][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 328.583338][ C1] RIP: 0010:check_preemption_disabled+0x2a/0xe0 [ 328.583388][ C1] Code: 41 54 55 53 48 83 ec 08 65 8b 1d fd 9d 82 75 65 8b 05 f2 9d 82 75 a9 ff ff ff 7f 74 0b 48 83 c4 08 89 d8 5b 5d 41 5c c3 9c 58 c4 02 74 ee 65 48 8b 05 c9 9d 82 75 f6 40 2f 04 48 89 fd 74 09 [ 328.583411][ C1] RSP: 0018:ffffc90003b8fac0 EFLAGS: 00000046 [ 328.583430][ C1] RAX: 0000000000000046 RBX: 0000000000000001 RCX: 1ffffffff1e315d1 [ 328.583446][ C1] RDX: 1ffff11004e9c8c3 RSI: ffffffff8accc2a0 RDI: ffffffff8b2f13e0 [ 328.583462][ C1] RBP: ffffffffffffffff R08: 0000000000000000 R09: 0000000000000001 [ 328.583477][ C1] R10: ffffffff8f18e117 R11: 0000000000000000 R12: ffff8880274e3b80 [ 328.583493][ C1] R13: 00007ffd30685040 R14: ffff8880274e3b80 R15: ffff8880274e54c0 [ 328.583509][ C1] FS: 00005555574a63c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 328.583533][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 328.583550][ C1] CR2: 00007f20ebffe6f0 CR3: 0000000075c25000 CR4: 00000000003506f0 [ 328.583566][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 328.583581][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 328.583595][ C1] Call Trace: [ 328.583604][ C1] [ 328.583612][ C1] ? show_regs+0x8e/0xa0 [ 328.583645][ C1] ? nmi_cpu_backtrace+0x1d4/0x390 [ 328.583718][ C1] ? nmi_cpu_backtrace_handler+0xc/0x10 [ 328.583757][ C1] ? nmi_handle+0x1a6/0x580 [ 328.583790][ C1] ? check_preemption_disabled+0x2a/0xe0 [ 328.583830][ C1] ? default_do_nmi+0x6a/0x160 [ 328.583875][ C1] ? exc_nmi+0x186/0x200 [ 328.583906][ C1] ? end_repeat_nmi+0xf/0x2a [ 328.583986][ C1] ? check_preemption_disabled+0x2a/0xe0 [ 328.584027][ C1] ? check_preemption_disabled+0x2a/0xe0 [ 328.584068][ C1] ? check_preemption_disabled+0x2a/0xe0 [ 328.584108][ C1] [ 328.584114][ C1] [ 328.584121][ C1] ? rcu_is_watching+0x12/0xb0 [ 328.584152][ C1] lockdep_hardirqs_on_prepare+0x11b/0x410 [ 328.584179][ C1] ? copy_fpstate_to_sigframe+0x2ae/0xa70 [ 328.584219][ C1] trace_hardirqs_on+0x36/0x40 [ 328.584271][ C1] __local_bh_enable_ip+0xa4/0x120 [ 328.584303][ C1] copy_fpstate_to_sigframe+0x2b3/0xa70 [ 328.584345][ C1] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 328.584373][ C1] ? __fpu_restore_sig+0x13a0/0x13a0 [ 328.584416][ C1] ? find_held_lock+0x2d/0x110 [ 328.584456][ C1] get_sigframe+0x455/0x920 [ 328.584496][ C1] ? KSTK_ESP+0x70/0x70 [ 328.584531][ C1] ? __might_fault+0xe3/0x190 [ 328.584579][ C1] ? rcu_is_watching+0x12/0xb0 [ 328.584612][ C1] x64_setup_rt_frame+0x129/0xcb0 [ 328.584652][ C1] ? __do_sys_rseq+0x740/0x740 [ 328.584696][ C1] ? x32_copy_siginfo_to_user+0x1a0/0x1a0 [ 328.584736][ C1] ? do_sigaltstack.constprop.0+0x547/0x800 [ 328.584765][ C1] arch_do_signal_or_restart+0x5e2/0x7e0 [ 328.584805][ C1] ? get_sigframe_size+0x20/0x20 [ 328.584852][ C1] ? __do_sys_rt_sigreturn+0x167/0x230 [ 328.584895][ C1] exit_to_user_mode_prepare+0x11e/0x240 [ 328.584932][ C1] syscall_exit_to_user_mode+0x1e/0x60 [ 328.584971][ C1] do_syscall_64+0x4d/0x110 [ 328.585001][ C1] entry_SYSCALL_64_after_hwframe+0x62/0x6a [ 328.585127][ C1] RIP: 0033:0x7f20ebfe6c29 [ 328.585145][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 1b 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 [ 328.585168][ C1] RSP: 002b:00007ffd30685438 EFLAGS: 00000246 [ 328.585186][ C1] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007f20ebfe6c29 [ 328.585201][ C1] RDX: 000000002006b000 RSI: 0000000000000000 RDI: 0000000000000000 [ 328.585215][ C1] RBP: 00000000000f4240 R08: 00007f20ec03609e R09: 00007f20ec03609e [ 328.585231][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd30685600 [ 328.585246][ C1] R13: 00005555574a6370 R14: 00007ffd30685550 R15: 00007ffd30685540 [ 328.585272][ C1]