DUID 00:04:1b:4d:40:85:b1:6b:61:74:2c:72:11:ce:21:17:3d:97
forked to background, child pid 3174
[ 33.107756][ T3175] 8021q: adding VLAN 0 to HW filter on device bond0
[ 33.117745][ T3175] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK
syzkaller
syzkaller login: [ 81.600244][ T1069] cfg80211: failed to load regulatory.db
Warning: Permanently added '10.128.1.99' (ED25519) to the list of known hosts.
executing program
executing program
[ 299.048033][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[ 299.055128][ C0] (detected by 0, t=10502 jiffies, g=4793, q=23)
[ 299.061558][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4294967025-4294956523), jiffies_till_next_fqs=1, root ->qsmask 0x0
[ 299.075210][ C0] rcu: rcu_preempt kthread starved for 10502 jiffies! g4793 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
[ 299.086336][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
[ 299.096340][ C0] rcu: RCU grace-period kthread stack dump:
[ 299.102232][ C0] task:rcu_preempt state:R running task stack:27000 pid: 15 ppid: 2 flags:0x00004000
[ 299.113027][ C0] Call Trace:
[ 299.116318][ C0]
[ 299.119266][ C0] __schedule+0x12c4/0x45b0
[ 299.123926][ C0] ? _raw_spin_unlock_irqrestore+0x8b/0x130
[ 299.129867][ C0] ? _raw_spin_unlock_irqrestore+0xd9/0x130
[ 299.135788][ C0] ? __mod_timer+0xa8e/0xeb0
[ 299.140469][ C0] ? release_firmware_map_entry+0x190/0x190
[ 299.146380][ C0] ? mod_timer_pending+0x20/0x20
[ 299.151335][ C0] ? lockdep_softirqs_off+0x420/0x420
[ 299.156738][ C0] schedule+0x11b/0x1f0
[ 299.160911][ C0] schedule_timeout+0x1b9/0x300
[ 299.165777][ C0] ? console_conditional_schedule+0x40/0x40
[ 299.171690][ C0] ? update_process_times+0x200/0x200
[ 299.177087][ C0] ? prepare_to_swait_event+0x321/0x340
[ 299.182687][ C0] rcu_gp_fqs_loop+0x2bf/0x1080
[ 299.187583][ C0] ? _raw_spin_unlock_irq+0x1f/0x40
[ 299.192793][ C0] ? lockdep_hardirqs_on+0x94/0x130
[ 299.198038][ C0] ? rcu_gp_init+0xdae/0x1140
[ 299.202731][ C0] ? rcu_gp_init+0x1140/0x1140
[ 299.207514][ C0] ? finish_swait+0xc5/0x1d0
[ 299.212124][ C0] rcu_gp_kthread+0xa4/0x360
[ 299.216727][ C0] ? _raw_spin_unlock+0x40/0x40
[ 299.221599][ C0] ? rcu_report_qs_rsp+0x1a0/0x1a0
[ 299.226724][ C0] ? _raw_spin_unlock_irqrestore+0xd9/0x130
[ 299.232658][ C0] ? __kthread_parkme+0x15c/0x1c0
[ 299.237741][ C0] kthread+0x3f6/0x4f0
[ 299.241847][ C0] ? rcu_report_qs_rsp+0x1a0/0x1a0
[ 299.247057][ C0] ? kthread_blkcg+0xd0/0xd0
[ 299.251662][ C0] ret_from_fork+0x1f/0x30
[ 299.256114][ C0]
[ 299.259144][ C0] rcu: Stack dump where RCU GP kthread last ran:
[ 299.265471][ C0] NMI backtrace for cpu 0
[ 299.269834][ C0] CPU: 0 PID: 3544 Comm: syz-executor371 Not tainted 5.15.158-syzkaller #0
[ 299.278446][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
[ 299.288506][ C0] Call Trace:
[ 299.291802][ C0]
[ 299.294655][ C0] dump_stack_lvl+0x1e3/0x2d0
[ 299.299351][ C0] ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[ 299.305005][ C0] ? panic+0x860/0x860
[ 299.309192][ C0] nmi_cpu_backtrace+0x46a/0x4a0
[ 299.314293][ C0] ? __wake_up_klogd+0xd5/0x100
[ 299.319172][ C0] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0
[ 299.325343][ C0] ? _printk+0xd1/0x120
[ 299.329516][ C0] ? cpu_online+0x1f/0x40
[ 299.333852][ C0] ? panic+0x860/0x860
[ 299.337930][ C0] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 299.344060][ C0] nmi_trigger_cpumask_backtrace+0x181/0x2a0
[ 299.350055][ C0] rcu_check_gp_kthread_starvation+0x1d2/0x240
[ 299.356357][ C0] print_other_cpu_stall+0x137a/0x14d0
[ 299.361834][ C0] ? print_cpu_stall+0x600/0x600
[ 299.366785][ C0] ? do_raw_spin_unlock+0x137/0x8b0
[ 299.372001][ C0] rcu_sched_clock_irq+0xa38/0x1150
[ 299.377213][ C0] ? rcutree_dead_cpu+0x20/0x20
[ 299.382071][ C0] ? hrtimer_run_queues+0x163/0x450
[ 299.387292][ C0] ? account_process_tick+0x232/0x3a0
[ 299.392751][ C0] update_process_times+0x196/0x200
[ 299.397967][ C0] tick_sched_timer+0x386/0x550
[ 299.402854][ C0] ? tick_setup_sched_timer+0x2d0/0x2d0
[ 299.408405][ C0] __hrtimer_run_queues+0x55b/0xcf0
[ 299.413638][ C0] ? hrtimer_interrupt+0x980/0x980
[ 299.418752][ C0] ? ktime_get_update_offsets_now+0x407/0x420
[ 299.424844][ C0] hrtimer_interrupt+0x392/0x980
[ 299.429803][ C0] __sysvec_apic_timer_interrupt+0x139/0x470
[ 299.435824][ C0] sysvec_apic_timer_interrupt+0x8c/0xb0
[ 299.441471][ C0]
[ 299.444410][ C0]
[ 299.447349][ C0] asm_sysvec_apic_timer_interrupt+0x16/0x20
[ 299.453333][ C0] RIP: 0010:lock_is_held_type+0xa/0x180
[ 299.458898][ C0] Code: 48 c7 c6 60 28 8b 8a e8 24 35 2e f7 0f 0b eb bf e8 ab fd ff ff 66 2e 0f 1f 84 00 00 00 00 00 90 55 41 57 41 56 41 55 41 54 53 <48> 83 ec 10 65 48 8b 04 25 28 00 00 00 48 89 44 24 08 bd ff ff ff
[ 299.478630][ C0] RSP: 0018:ffffc90002db7ac8 EFLAGS: 00000202
[ 299.484721][ C0] RAX: 0000000000000001 RBX: ffff8880786ed940 RCX: ffff8880786ed940
[ 299.492708][ C0] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: ffffffff8c91fb40
[ 299.500690][ C0] RBP: ffffc90002db7c10 R08: ffffffff81b9caac R09: fffffbfff186bc66
[ 299.508671][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
[ 299.516652][ C0] R13: dffffc0000000000 R14: dffffc0000000000 R15: 1ffff920005b6f68
[ 299.524648][ C0] ? __might_fault+0x4c/0x110
[ 299.529489][ C0] ___might_sleep+0xa2/0x6a0
[ 299.534102][ C0] ? rcu_is_watching+0x11/0xa0
[ 299.538880][ C0] ? __might_sleep+0xc0/0xc0
[ 299.543482][ C0] ? get_sigframe+0x378/0x4b0
[ 299.548264][ C0] __might_fault+0x6b/0x110
[ 299.552786][ C0] _copy_to_user+0x28/0x130
[ 299.557346][ C0] copy_siginfo_to_user+0x20/0x80
[ 299.562457][ C0] arch_do_signal_or_restart+0xb0a/0x1890
[ 299.568210][ C0] ? get_sigframe_size+0x10/0x10
[ 299.573164][ C0] ? __ia32_sys_sigaltstack+0x60/0x60
[ 299.578576][ C0] ? __do_sys_rt_sigreturn+0x19d/0x250
[ 299.584058][ C0] ? exit_to_user_mode_loop+0x39/0x130
[ 299.589531][ C0] exit_to_user_mode_loop+0x97/0x130
[ 299.594831][ C0] exit_to_user_mode_prepare+0xb1/0x140
[ 299.600392][ C0] syscall_exit_to_user_mode+0x5d/0x240
[ 299.605965][ C0] do_syscall_64+0x47/0xb0
[ 299.610401][ C0] ? clear_bhb_loop+0x15/0x70
[ 299.615107][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 299.621010][ C0] RIP: 0033:0x7f1214b6fe79
[ 299.625437][ 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
[ 299.645096][ C0] RSP: 002b:00007ffd9394fd18 EFLAGS: 00000246
[ 299.651180][ C0] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007f1214b6fe79
[ 299.659150][ C0] RDX: 000000002006b000 RSI: 0000000000000000 RDI: 0000000000000000
[ 299.667125][ C0] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000
[ 299.675103][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00005555560ce370
[ 299.683101][ C0] R13: 0000000000000003 R14: 00007ffd9394fd90 R15: 00007ffd9394fd80
[ 299.691095][ C0]