DUID 00:04:17:4d:40:87:6e:bf:2d:0e:65:92:c1:2a:fb:91:5f:79
forked to background, child pid 3172
[ 31.333498][ T3173] 8021q: adding VLAN 0 to HW filter on device bond0
[ 31.347033][ T3173] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK
syzkaller
syzkaller login: [ 81.523520][ T1065] cfg80211: failed to load regulatory.db
Warning: Permanently added '10.128.0.122' (ED25519) to the list of known hosts.
executing program
executing program
[ 305.401455][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[ 305.408580][ C0] (detected by 0, t=10502 jiffies, g=4569, q=16)
[ 305.415044][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10501 (4294967669-4294957168), jiffies_till_next_fqs=1, root ->qsmask 0x0
[ 305.428800][ C0] rcu: rcu_preempt kthread starved for 10502 jiffies! g4569 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
[ 305.440211][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
[ 305.450192][ C0] rcu: RCU grace-period kthread stack dump:
[ 305.456101][ C0] task:rcu_preempt state:R running task stack:27064 pid: 15 ppid: 2 flags:0x00004000
[ 305.466907][ C0] Call Trace:
[ 305.470196][ C0]
[ 305.473146][ C0] __schedule+0x12c4/0x45b0
[ 305.477702][ C0] ? _raw_spin_unlock_irqrestore+0x8b/0x130
[ 305.483709][ C0] ? _raw_spin_unlock_irqrestore+0xd9/0x130
[ 305.489637][ C0] ? __mod_timer+0xa8e/0xeb0
[ 305.494374][ C0] ? release_firmware_map_entry+0x190/0x190
[ 305.500374][ C0] ? mod_timer_pending+0x20/0x20
[ 305.505334][ C0] ? lockdep_softirqs_off+0x420/0x420
[ 305.510750][ C0] schedule+0x11b/0x1f0
[ 305.514929][ C0] schedule_timeout+0x1b9/0x300
[ 305.519820][ C0] ? console_conditional_schedule+0x40/0x40
[ 305.525825][ C0] ? update_process_times+0x200/0x200
[ 305.531403][ C0] ? prepare_to_swait_event+0x321/0x340
[ 305.536967][ C0] rcu_gp_fqs_loop+0x2bf/0x1080
[ 305.541934][ C0] ? dump_blkd_tasks+0x810/0x810
[ 305.546893][ C0] ? rcu_gp_init+0x1140/0x1140
[ 305.551681][ C0] ? finish_swait+0xc5/0x1d0
[ 305.556290][ C0] rcu_gp_kthread+0xa4/0x360
[ 305.560900][ C0] ? _raw_spin_unlock+0x40/0x40
[ 305.565865][ C0] ? rcu_report_qs_rsp+0x1a0/0x1a0
[ 305.570991][ C0] ? _raw_spin_unlock_irqrestore+0xd9/0x130
[ 305.576910][ C0] ? __kthread_parkme+0x15c/0x1c0
[ 305.581961][ C0] kthread+0x3f6/0x4f0
[ 305.586044][ C0] ? rcu_report_qs_rsp+0x1a0/0x1a0
[ 305.591170][ C0] ? kthread_blkcg+0xd0/0xd0
[ 305.595777][ C0] ret_from_fork+0x1f/0x30
[ 305.600240][ C0]
[ 305.603266][ C0] rcu: Stack dump where RCU GP kthread last ran:
[ 305.609605][ C0] NMI backtrace for cpu 0
[ 305.613952][ C0] CPU: 0 PID: 3542 Comm: syz-executor436 Not tainted 5.15.161-syzkaller #0
[ 305.622571][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 305.632633][ C0] Call Trace:
[ 305.635920][ C0]
[ 305.638861][ C0] dump_stack_lvl+0x1e3/0x2d0
[ 305.643561][ C0] ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[ 305.649210][ C0] ? panic+0x860/0x860
[ 305.653307][ C0] nmi_cpu_backtrace+0x46a/0x4a0
[ 305.658349][ C0] ? __wake_up_klogd+0xd5/0x100
[ 305.663223][ C0] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0
[ 305.669393][ C0] ? _printk+0xd1/0x120
[ 305.673567][ C0] ? cpu_online+0x1f/0x40
[ 305.677920][ C0] ? panic+0x860/0x860
[ 305.682010][ C0] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 305.688097][ C0] nmi_trigger_cpumask_backtrace+0x181/0x2a0
[ 305.694215][ C0] rcu_check_gp_kthread_starvation+0x1d2/0x240
[ 305.700396][ C0] print_other_cpu_stall+0x137a/0x14d0
[ 305.705972][ C0] ? print_cpu_stall+0x600/0x600
[ 305.710962][ C0] ? ktime_get+0x7f/0x270
[ 305.715410][ C0] rcu_sched_clock_irq+0xa38/0x1150
[ 305.720642][ C0] ? rcutree_dead_cpu+0x20/0x20
[ 305.725559][ C0] ? do_raw_spin_unlock+0x137/0x8b0
[ 305.730783][ C0] ? hrtimer_run_queues+0x163/0x450
[ 305.736048][ C0] ? account_process_tick+0x232/0x3a0
[ 305.741452][ C0] update_process_times+0x196/0x200
[ 305.746690][ C0] tick_sched_timer+0x386/0x550
[ 305.751602][ C0] ? tick_setup_sched_timer+0x2d0/0x2d0
[ 305.757281][ C0] __hrtimer_run_queues+0x55b/0xcf0
[ 305.762713][ C0] ? hrtimer_interrupt+0x980/0x980
[ 305.767862][ C0] ? ktime_get_update_offsets_now+0x407/0x420
[ 305.774045][ C0] hrtimer_interrupt+0x392/0x980
[ 305.779111][ C0] __sysvec_apic_timer_interrupt+0x139/0x470
[ 305.785122][ C0] sysvec_apic_timer_interrupt+0x8c/0xb0
[ 305.790793][ C0]
[ 305.793744][ C0]
[ 305.796708][ C0] asm_sysvec_apic_timer_interrupt+0x16/0x20
[ 305.802799][ C0] RIP: 0010:_raw_spin_unlock_irq+0x25/0x40
[ 305.808817][ C0] Code: 21 80 f6 ff 90 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 be 11 3b f7 48 89 df e8 96 65 3c f7 e8 b1 1d 5f f7 fb bf 01 00 00 00 d6 ab 2f f7 65 8b 05 57 b2 da 75 85 c0 74 02 5b c3 e8 24 cf d8
[ 305.828598][ C0] RSP: 0018:ffffc90002e47bc0 EFLAGS: 00000282
[ 305.834696][ C0] RAX: 40da3a3565e7b900 RBX: ffff888023231280 RCX: ffffffff913f0f03
[ 305.842700][ C0] RDX: dffffc0000000000 RSI: ffffffff8a8b2a00 RDI: 0000000000000001
[ 305.850808][ C0] RBP: 0000000000000000 R08: ffffffff8186db40 R09: ffffed1004646251
[ 305.858975][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000021
[ 305.867047][ C0] R13: dffffc0000000000 R14: ffff888023231718 R15: ffff888023231280
[ 305.875218][ C0] ? trace_hardirqs_on+0x30/0x80
[ 305.880206][ C0] get_signal+0x13ee/0x14e0
[ 305.884744][ C0] arch_do_signal_or_restart+0xc3/0x1890
[ 305.890396][ C0] ? __do_compat_sys_x32_rt_sigreturn+0x250/0x250
[ 305.896842][ C0] ? __might_fault+0xb4/0x110
[ 305.901542][ C0] ? _copy_from_user+0x10f/0x170
[ 305.906498][ C0] ? restore_altstack+0x274/0x400
[ 305.911543][ C0] ? get_sigframe_size+0x10/0x10
[ 305.916501][ C0] ? __ia32_sys_sigaltstack+0x60/0x60
[ 305.921901][ C0] ? __do_sys_rt_sigreturn+0x19d/0x250
[ 305.927380][ C0] ? exit_to_user_mode_loop+0x39/0x130
[ 305.932855][ C0] exit_to_user_mode_loop+0x97/0x130
[ 305.938175][ C0] exit_to_user_mode_prepare+0xb1/0x140
[ 305.943740][ C0] syscall_exit_to_user_mode+0x5d/0x240
[ 305.949570][ C0] do_syscall_64+0x47/0xb0
[ 305.953998][ C0] ? clear_bhb_loop+0x15/0x70
[ 305.958691][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 305.964599][ C0] RIP: 0033:0x7fbdfa505e79
[ 305.969136][ C0] 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
[ 305.988868][ C0] RSP: 002b:00007ffe44b3fa48 EFLAGS: 00000246
[ 305.995093][ C0] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007fbdfa505e79
[ 306.003080][ C0] RDX: 000000002006b000 RSI: 0000000000000000 RDI: 0000000000000000
[ 306.011178][ C0] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000
[ 306.019164][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 000055555726e370
[ 306.027154][ C0] R13: 0000000000000003 R14: 00007ffe44b3fac0 R15: 00007ffe44b3fab0
[ 306.035163][ C0]