DUID 00:04:9a:9b:60:6a:39:26:c8:65:2f:c5:16:4d:58:03:30:c2
forked to background, child pid 3174
[ 22.618481][ T3175] 8021q: adding VLAN 0 to HW filter on device bond0
[ 22.633717][ T3175] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK
syzkaller
syzkaller login: [ 71.213464][ T21] cfg80211: failed to load regulatory.db
Warning: Permanently added '10.128.1.85' (ED25519) to the list of known hosts.
executing program
executing program
[ 295.079371][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[ 295.086398][ C0] (detected by 0, t=10502 jiffies, g=3521, q=29)
[ 295.092807][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10500 (4294966643-4294956143), jiffies_till_next_fqs=1, root ->qsmask 0x0
[ 295.106173][ C0] rcu: rcu_preempt kthread starved for 10500 jiffies! g3521 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
[ 295.117283][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
[ 295.127250][ C0] rcu: RCU grace-period kthread stack dump:
[ 295.133128][ C0] task:rcu_preempt state:R running task stack:27000 pid: 15 ppid: 2 flags:0x00004000
[ 295.143910][ C0] Call Trace:
[ 295.147191][ C0]
[ 295.150120][ C0] __schedule+0x12c4/0x45b0
[ 295.154762][ C0] ? _raw_spin_unlock_irqrestore+0x8b/0x130
[ 295.160655][ C0] ? _raw_spin_unlock_irqrestore+0xd9/0x130
[ 295.166553][ C0] ? __mod_timer+0xa8e/0xeb0
[ 295.171212][ C0] ? __sched_text_start+0x8/0x8
[ 295.176060][ C0] ? mod_timer_pending+0x20/0x20
[ 295.180991][ C0] ? lockdep_softirqs_off+0x420/0x420
[ 295.186377][ C0] schedule+0x11b/0x1f0
[ 295.190533][ C0] schedule_timeout+0x1b9/0x300
[ 295.195379][ C0] ? console_conditional_schedule+0x40/0x40
[ 295.201268][ C0] ? update_process_times+0x200/0x200
[ 295.206642][ C0] ? prepare_to_swait_event+0x321/0x340
[ 295.212293][ C0] rcu_gp_fqs_loop+0x2bf/0x1080
[ 295.217177][ C0] ? dump_blkd_tasks+0x810/0x810
[ 295.222115][ C0] ? rcu_gp_init+0x1140/0x1140
[ 295.226889][ C0] ? finish_swait+0xc5/0x1d0
[ 295.231498][ C0] rcu_gp_kthread+0xa4/0x360
[ 295.236100][ C0] ? _raw_spin_unlock+0x40/0x40
[ 295.240964][ C0] ? rcu_report_qs_rsp+0x1a0/0x1a0
[ 295.246080][ C0] ? _raw_spin_unlock_irqrestore+0xd9/0x130
[ 295.251976][ C0] ? __kthread_parkme+0x15c/0x1c0
[ 295.257067][ C0] kthread+0x3f6/0x4f0
[ 295.261162][ C0] ? rcu_report_qs_rsp+0x1a0/0x1a0
[ 295.266270][ C0] ? kthread_blkcg+0xd0/0xd0
[ 295.270856][ C0] ret_from_fork+0x1f/0x30
[ 295.275295][ C0]
[ 295.278308][ C0] rcu: Stack dump where RCU GP kthread last ran:
[ 295.284619][ C0] NMI backtrace for cpu 0
[ 295.289019][ C0] CPU: 0 PID: 3544 Comm: syz-executor322 Not tainted 5.15.150-syzkaller #0
[ 295.297597][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
[ 295.307645][ C0] Call Trace:
[ 295.310917][ C0]
[ 295.313756][ C0] dump_stack_lvl+0x1e3/0x2cb
[ 295.318502][ C0] ? io_uring_drop_tctx_refs+0x19d/0x19d
[ 295.324136][ C0] ? panic+0x84d/0x84d
[ 295.328212][ C0] nmi_cpu_backtrace+0x46a/0x4a0
[ 295.333230][ C0] ? __wake_up_klogd+0xd5/0x100
[ 295.338093][ C0] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0
[ 295.344244][ C0] ? _printk+0xd1/0x111
[ 295.348398][ C0] ? cpu_online+0x1f/0x40
[ 295.352726][ C0] ? panic+0x84d/0x84d
[ 295.356934][ C0] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 295.363048][ C0] nmi_trigger_cpumask_backtrace+0x181/0x2a0
[ 295.369031][ C0] rcu_check_gp_kthread_starvation+0x1d2/0x240
[ 295.375193][ C0] print_other_cpu_stall+0x137a/0x14d0
[ 295.380658][ C0] ? print_cpu_stall+0x600/0x600
[ 295.385599][ C0] ? do_raw_spin_unlock+0x137/0x8b0
[ 295.390798][ C0] rcu_sched_clock_irq+0xa38/0x1150
[ 295.396000][ C0] ? rcutree_dead_cpu+0x20/0x20
[ 295.400847][ C0] ? hrtimer_run_queues+0x163/0x450
[ 295.406041][ C0] ? account_process_tick+0x232/0x3a0
[ 295.411472][ C0] update_process_times+0x196/0x200
[ 295.416673][ C0] tick_sched_timer+0x386/0x550
[ 295.421556][ C0] ? tick_setup_sched_timer+0x2d0/0x2d0
[ 295.427099][ C0] __hrtimer_run_queues+0x55b/0xcf0
[ 295.432305][ C0] ? hrtimer_interrupt+0x980/0x980
[ 295.437409][ C0] ? ktime_get_update_offsets_now+0x407/0x420
[ 295.443475][ C0] hrtimer_interrupt+0x392/0x980
[ 295.448424][ C0] __sysvec_apic_timer_interrupt+0x139/0x470
[ 295.454428][ C0] sysvec_apic_timer_interrupt+0x8c/0xb0
[ 295.460096][ C0]
[ 295.463020][ C0]
[ 295.465945][ C0] asm_sysvec_apic_timer_interrupt+0x16/0x20
[ 295.471922][ C0] RIP: 0010:lock_is_held_type+0x137/0x180
[ 295.477637][ C0] Code: 75 40 48 c7 04 24 00 00 00 00 9c 8f 04 24 f7 04 24 00 02 00 00 75 46 41 f7 c4 00 02 00 00 74 01 fb 65 48 8b 04 25 28 00 00 00 <48> 3b 44 24 08 75 3c 89 e8 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f
[ 295.497240][ C0] RSP: 0018:ffffc90002d77838 EFLAGS: 00000206
[ 295.503305][ C0] RAX: f69ff71aa999a400 RBX: ffff88807e59d940 RCX: ffff88807e59d940
[ 295.511268][ C0] RDX: 0000000000000000 RSI: ffffffff8a8b27a0 RDI: ffffffff8ad88ec0
[ 295.519232][ C0] RBP: 0000000000000000 R08: ffffffff81b9865c R09: ffffed100fcb3b29
[ 295.527195][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000246
[ 295.535159][ C0] R13: ffff88807e59d940 R14: 00000000ffffffff R15: ffffffff8c91f780
[ 295.543133][ C0] ? __might_fault+0x4c/0x110
[ 295.547875][ C0] ___might_sleep+0xa2/0x6a0
[ 295.552465][ C0] ? __might_sleep+0xc0/0xc0
[ 295.557047][ C0] ? __local_bh_enable_ip+0x164/0x1f0
[ 295.562444][ C0] ? lockdep_hardirqs_on+0x94/0x130
[ 295.567641][ C0] ? __local_bh_enable_ip+0x164/0x1f0
[ 295.573007][ C0] ? __bpf_trace_softirq+0x10/0x10
[ 295.578109][ C0] ? local_bh_enable+0x5/0x20
[ 295.582824][ C0] ? _local_bh_enable+0xa0/0xa0
[ 295.587676][ C0] __might_fault+0x6b/0x110
[ 295.592178][ C0] copy_fpstate_to_sigframe+0x858/0xb40
[ 295.597727][ C0] ? fpregs_set+0x700/0x700
[ 295.602224][ C0] ? __lock_acquire+0x1ff0/0x1ff0
[ 295.607242][ C0] ? rcu_is_watching+0x11/0xa0
[ 295.612002][ C0] ? asm_sysvec_apic_timer_interrupt+0x16/0x20
[ 295.618154][ C0] ? lockdep_hardirqs_on+0x94/0x130
[ 295.623350][ C0] ? rcu_is_watching+0x11/0xa0
[ 295.628108][ C0] ? fpu__alloc_mathframe+0x80/0x140
[ 295.633390][ C0] get_sigframe+0x378/0x4b0
[ 295.637945][ C0] ? restore_sigcontext+0x710/0x710
[ 295.643149][ C0] arch_do_signal_or_restart+0x4ac/0x1890
[ 295.648870][ C0] ? __do_compat_sys_x32_rt_sigreturn+0x250/0x250
[ 295.655284][ C0] ? __might_fault+0xb4/0x110
[ 295.659959][ C0] ? _copy_from_user+0x10f/0x170
[ 295.664946][ C0] ? get_sigframe_size+0x10/0x10
[ 295.669883][ C0] ? __ia32_sys_sigaltstack+0x60/0x60
[ 295.675289][ C0] ? __do_sys_rt_sigreturn+0x19d/0x250
[ 295.680750][ C0] ? exit_to_user_mode_loop+0x39/0x130
[ 295.686206][ C0] exit_to_user_mode_loop+0x97/0x130
[ 295.691486][ C0] exit_to_user_mode_prepare+0xb1/0x140
[ 295.697028][ C0] syscall_exit_to_user_mode+0x5d/0x250
[ 295.702571][ C0] do_syscall_64+0x49/0xb0
[ 295.706988][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb
[ 295.712876][ C0] RIP: 0033:0x7fdb07ebaeb9
[ 295.717286][ 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
[ 295.736884][ C0] RSP: 002b:00007ffd27a2c438 EFLAGS: 00000246
[ 295.742947][ C0] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007fdb07ebaeb9
[ 295.750913][ C0] RDX: 000000002006b000 RSI: 0000000000000000 RDI: 0000000000000000
[ 295.758875][ C0] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000
[ 295.766836][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555555f93370
[ 295.774812][ C0] R13: 0000000000000002 R14: 00007ffd27a2c4b0 R15: 00007ffd27a2c4a0
[ 295.782792][ C0]