DUID 00:04:8e:2a:3c:04:ae:1e:09:29:3f:0a:36:6a:00:10:eb:de
forked to background, child pid 3837
[ 38.935814][ T3838] 8021q: adding VLAN 0 to HW filter on device bond0
[ 38.945874][ T3838] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK
syzkaller
syzkaller login: [ 81.682956][ T21] cfg80211: failed to load regulatory.db
Warning: Permanently added '10.128.1.76' (ED25519) to the list of known hosts.
Setting up swapspace version 1, size = 127995904 bytes
[ 107.523625][ T4176] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS
[ 107.801537][ T155] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 107.809579][ T155] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 107.819916][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 107.835336][ T155] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 107.850249][ T155] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 107.859741][ T154] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 107.871260][ T154] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 107.887303][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 107.896146][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 107.931977][ T144] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 107.942200][ T144] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 107.946624][ T154] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 107.958603][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[ 107.968162][ T154] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 107.986507][ T155] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 108.008959][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[ 108.010462][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 108.020464][ T155] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
executing program
executing program
[ 108.056558][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 108.068262][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 108.081784][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[ 213.101022][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[ 213.108187][ C0] (detected by 0, t=10502 jiffies, g=5721, q=87)
[ 213.114621][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4294958422-4294947920), jiffies_till_next_fqs=1, root ->qsmask 0x0
[ 213.128018][ C0] rcu: rcu_preempt kthread starved for 10502 jiffies! g5721 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
[ 213.139135][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
[ 213.149111][ C0] rcu: RCU grace-period kthread stack dump:
[ 213.155016][ C0] task:rcu_preempt state:R running task stack:26144 pid: 15 ppid: 2 flags:0x00004000
[ 213.165835][ C0] Call Trace:
[ 213.169124][ C0]
[ 213.172070][ C0] __schedule+0x12c4/0x45b0
[ 213.176617][ C0] ? _raw_spin_unlock_irqrestore+0x8b/0x130
[ 213.182530][ C0] ? _raw_spin_unlock_irqrestore+0xd9/0x130
[ 213.188459][ C0] ? __mod_timer+0xa8e/0xeb0
[ 213.193092][ C0] ? release_firmware_map_entry+0x190/0x190
[ 213.199094][ C0] ? mod_timer_pending+0x20/0x20
[ 213.204054][ C0] ? lockdep_softirqs_off+0x420/0x420
[ 213.209449][ C0] schedule+0x11b/0x1f0
[ 213.213621][ C0] schedule_timeout+0x1b9/0x300
[ 213.218484][ C0] ? console_conditional_schedule+0x40/0x40
[ 213.224391][ C0] ? update_process_times+0x200/0x200
[ 213.229784][ C0] ? prepare_to_swait_event+0x321/0x340
[ 213.235352][ C0] rcu_gp_fqs_loop+0x2bf/0x1080
[ 213.240225][ C0] ? _raw_spin_unlock_irq+0x1f/0x40
[ 213.245439][ C0] ? lockdep_hardirqs_on+0x94/0x130
[ 213.250657][ C0] ? rcu_gp_init+0xdae/0x1140
[ 213.255353][ C0] ? rcu_gp_init+0x1140/0x1140
[ 213.260141][ C0] ? finish_swait+0xc5/0x1d0
[ 213.264751][ C0] rcu_gp_kthread+0xa4/0x360
[ 213.269355][ C0] ? _raw_spin_unlock+0x40/0x40
[ 213.274228][ C0] ? rcu_report_qs_rsp+0x1a0/0x1a0
[ 213.279354][ C0] ? _raw_spin_unlock_irqrestore+0xd9/0x130
[ 213.285270][ C0] ? __kthread_parkme+0x15c/0x1c0
[ 213.290313][ C0] kthread+0x3f6/0x4f0
[ 213.294393][ C0] ? rcu_report_qs_rsp+0x1a0/0x1a0
[ 213.299518][ C0] ? kthread_blkcg+0xd0/0xd0
[ 213.304132][ C0] ret_from_fork+0x1f/0x30
[ 213.308578][ C0]
[ 213.311606][ C0] rcu: Stack dump where RCU GP kthread last ran:
[ 213.317932][ C0] NMI backtrace for cpu 0
[ 213.322281][ C0] CPU: 0 PID: 4204 Comm: syz-executor916 Not tainted 5.15.178-syzkaller #0
[ 213.330881][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 213.340971][ C0] Call Trace:
[ 213.344259][ C0]
[ 213.347109][ C0] dump_stack_lvl+0x1e3/0x2d0
[ 213.351811][ C0] ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[ 213.357457][ C0] ? panic+0x860/0x860
[ 213.361557][ C0] nmi_cpu_backtrace+0x46a/0x4a0
[ 213.366509][ C0] ? __wake_up_klogd+0xd5/0x100
[ 213.371380][ C0] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0
[ 213.377548][ C0] ? _printk+0xd1/0x120
[ 213.381722][ C0] ? cpu_online+0x1f/0x40
[ 213.386088][ C0] ? panic+0x860/0x860
[ 213.390183][ C0] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 213.396266][ C0] nmi_trigger_cpumask_backtrace+0x181/0x2a0
[ 213.402268][ C0] rcu_check_gp_kthread_starvation+0x1d2/0x240
[ 213.408445][ C0] print_other_cpu_stall+0x137a/0x14d0
[ 213.413937][ C0] ? print_cpu_stall+0x600/0x600
[ 213.418900][ C0] ? __lock_acquire+0x1ff0/0x1ff0
[ 213.423958][ C0] ? do_raw_spin_unlock+0x137/0x8b0
[ 213.429182][ C0] rcu_sched_clock_irq+0xa38/0x1150
[ 213.434404][ C0] ? rcutree_dead_cpu+0x20/0x20
[ 213.439273][ C0] ? hrtimer_run_queues+0x163/0x450
[ 213.444484][ C0] ? account_process_tick+0x232/0x3a0
[ 213.449893][ C0] update_process_times+0x196/0x200
[ 213.455119][ C0] tick_sched_timer+0x386/0x550
[ 213.459988][ C0] ? tick_setup_sched_timer+0x2d0/0x2d0
[ 213.465555][ C0] __hrtimer_run_queues+0x55b/0xcf0
[ 213.470788][ C0] ? hrtimer_interrupt+0x980/0x980
[ 213.475914][ C0] ? ktime_get_update_offsets_now+0x407/0x420
[ 213.482093][ C0] hrtimer_interrupt+0x392/0x980
[ 213.487070][ C0] __sysvec_apic_timer_interrupt+0x13b/0x4b0
[ 213.493077][ C0] sysvec_apic_timer_interrupt+0x9b/0xc0
[ 213.498737][ C0]
[ 213.501677][ C0]
[ 213.504617][ C0] asm_sysvec_apic_timer_interrupt+0x16/0x20
[ 213.510616][ C0] RIP: 0010:_raw_spin_unlock_irq+0x25/0x40
[ 213.516439][ C0] Code: 31 61 f6 ff 90 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 0e 05 1a f7 48 89 df e8 66 59 1b f7 e8 b1 15 3e f7 fb bf 01 00 00 00 66 9e 0e f7 65 8b 05 77 81 b9 75 85 c0 74 02 5b c3 e8 44 9e b7
[ 213.536051][ C0] RSP: 0018:ffffc9000300fbc0 EFLAGS: 00000282
[ 213.542136][ C0] RAX: ffc1c009b5e9d900 RBX: ffff88802b472500 RCX: ffffffff96a92f03
[ 213.550119][ C0] RDX: dffffc0000000000 RSI: ffffffff8aab2b80 RDI: 0000000000000001
[ 213.558138][ C0] RBP: 0000000000000000 R08: ffffffff81870420 R09: ffffed100568e4a1
[ 213.566133][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000021
[ 213.574115][ C0] R13: dffffc0000000000 R14: ffff88802b472998 R15: ffff88802b472500
[ 213.582114][ C0] ? trace_hardirqs_on+0x30/0x80
[ 213.587079][ C0] get_signal+0x13ee/0x14e0
[ 213.591615][ C0] arch_do_signal_or_restart+0xc3/0x1890
[ 213.597437][ C0] ? __do_compat_sys_x32_rt_sigreturn+0x250/0x250
[ 213.603886][ C0] ? __might_fault+0xb4/0x110
[ 213.608587][ C0] ? _copy_from_user+0x10f/0x170
[ 213.613548][ C0] ? restore_altstack+0x274/0x400
[ 213.618590][ C0] ? get_sigframe_size+0x10/0x10
[ 213.623632][ C0] ? __ia32_sys_sigaltstack+0x60/0x60
[ 213.629035][ C0] ? __do_sys_rt_sigreturn+0x19d/0x250
[ 213.634568][ C0] ? exit_to_user_mode_loop+0x39/0x130
[ 213.640043][ C0] exit_to_user_mode_loop+0x97/0x130
[ 213.645343][ C0] exit_to_user_mode_prepare+0xb1/0x140
[ 213.650940][ C0] syscall_exit_to_user_mode+0x5d/0x240
[ 213.656503][ C0] do_syscall_64+0x47/0xb0
[ 213.660933][ C0] ? clear_bhb_loop+0x15/0x70
[ 213.665624][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 213.671537][ C0] RIP: 0033:0x7fc4765cb169
[ 213.675977][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 1f 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
[ 213.695697][ C0] RSP: 002b:00007ffee318a3e8 EFLAGS: 00000246
[ 213.701784][ C0] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007fc4765cb169
[ 213.709767][ C0] RDX: 000040000006b000 RSI: 0000000000000000 RDI: 0000000000000000
[ 213.717747][ C0] RBP: 0000000000000000 R08: 00007fc47664d4a8 R09: 00007fc47664d4a8
[ 213.725731][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc47664d4a8
[ 213.733708][ C0] R13: 00007ffee318a41c R14: 0000000000000000 R15: 431bde82d7b634db
[ 213.741706][ C0]