Warning: Permanently added '10.128.0.190' (ED25519) to the list of known hosts.
executing program
executing program
executing program
[ 142.673447][ T30] audit: type=1400 audit(1737894227.568:66): avc: denied { execmem } for pid=408 comm="syz-executor171" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 242.707549][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[ 242.714367][ C0] (detected by 0, t=10002 jiffies, g=1717, q=101)
[ 242.720775][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10003 (4294961490-4294951487), jiffies_till_next_fqs=1, root ->qsmask 0x0
[ 242.733978][ C0] rcu: rcu_preempt kthread starved for 10004 jiffies! g1717 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
[ 242.744904][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
[ 242.754803][ C0] rcu: RCU grace-period kthread stack dump:
[ 242.760548][ C0] task:rcu_preempt state:R running task stack:28264 pid: 14 ppid: 2 flags:0x00004000
[ 242.771127][ C0] Call Trace:
[ 242.774243][ C0]
[ 242.777078][ C0] __schedule+0xccc/0x1590
[ 242.781273][ C0] ? release_firmware_map_entry+0x190/0x190
[ 242.787004][ C0] ? __kasan_check_write+0x14/0x20
[ 242.791956][ C0] schedule+0x11f/0x1e0
[ 242.795941][ C0] schedule_timeout+0x18c/0x370
[ 242.800625][ C0] ? _raw_spin_unlock_irq+0x4e/0x70
[ 242.805660][ C0] ? console_conditional_schedule+0x30/0x30
[ 242.811387][ C0] ? update_process_times+0x200/0x200
[ 242.816595][ C0] ? prepare_to_swait_event+0x308/0x320
[ 242.821976][ C0] rcu_gp_fqs_loop+0x2af/0xf80
[ 242.826581][ C0] ? debug_smp_processor_id+0x17/0x20
[ 242.831783][ C0] ? __note_gp_changes+0x4ab/0x920
[ 242.836739][ C0] ? rcu_gp_init+0xc30/0xc30
[ 242.841156][ C0] ? _raw_spin_unlock_irq+0x4e/0x70
[ 242.846194][ C0] ? rcu_gp_init+0x9cf/0xc30
[ 242.850621][ C0] rcu_gp_kthread+0xa4/0x350
[ 242.855045][ C0] ? _raw_spin_lock+0x1b0/0x1b0
[ 242.859732][ C0] ? wake_nocb_gp+0x1e0/0x1e0
[ 242.864246][ C0] ? __kasan_check_read+0x11/0x20
[ 242.869104][ C0] ? __kthread_parkme+0xb2/0x200
[ 242.873878][ C0] kthread+0x421/0x510
[ 242.877782][ C0] ? wake_nocb_gp+0x1e0/0x1e0
[ 242.882297][ C0] ? kthread_blkcg+0xd0/0xd0
[ 242.886721][ C0] ret_from_fork+0x1f/0x30
[ 242.890980][ C0]
[ 242.893845][ C0] rcu: Stack dump where RCU GP kthread last ran:
[ 242.900102][ C0] NMI backtrace for cpu 0
[ 242.904275][ C0] CPU: 0 PID: 420 Comm: syz-executor171 Not tainted 5.15.176-syzkaller-00972-g829d9f138569 #0
[ 242.914324][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
[ 242.924332][ C0] Call Trace:
[ 242.927457][ C0]
[ 242.930151][ C0] dump_stack_lvl+0x151/0x1c0
[ 242.934662][ C0] ? io_uring_drop_tctx_refs+0x190/0x190
[ 242.940134][ C0] dump_stack+0x15/0x20
[ 242.944123][ C0] nmi_cpu_backtrace+0x2f7/0x300
[ 242.948895][ C0] ? nmi_trigger_cpumask_backtrace+0x270/0x270
[ 242.954971][ C0] ? panic+0x760/0x760
[ 242.958880][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 242.964779][ C0] nmi_trigger_cpumask_backtrace+0x15d/0x270
[ 242.970606][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 242.976496][ C0] arch_trigger_cpumask_backtrace+0x10/0x20
[ 242.982221][ C0] rcu_check_gp_kthread_starvation+0x1e3/0x250
[ 242.988212][ C0] print_other_cpu_stall+0x112d/0x1340
[ 242.993505][ C0] ? try_invoke_on_locked_down_task+0x2a0/0x2a0
[ 242.999587][ C0] ? print_cpu_stall+0x5f0/0x5f0
[ 243.004359][ C0] ? __kasan_check_write+0x14/0x20
[ 243.009304][ C0] rcu_sched_clock_irq+0xaec/0x12f0
[ 243.014340][ C0] ? rcu_boost_kthread_setaffinity+0x340/0x340
[ 243.020324][ C0] ? hrtimer_run_queues+0x15f/0x440
[ 243.025359][ C0] update_process_times+0x198/0x200
[ 243.030397][ C0] tick_sched_timer+0x188/0x240
[ 243.035078][ C0] ? tick_setup_sched_timer+0x480/0x480
[ 243.040466][ C0] __hrtimer_run_queues+0x41a/0xad0
[ 243.045499][ C0] ? hrtimer_interrupt+0xaa0/0xaa0
[ 243.050447][ C0] ? clockevents_program_event+0x22f/0x300
[ 243.056088][ C0] ? ktime_get_update_offsets_now+0x2ba/0x2d0
[ 243.061985][ C0] hrtimer_interrupt+0x40c/0xaa0
[ 243.066775][ C0] __sysvec_apic_timer_interrupt+0xfb/0x3f0
[ 243.072489][ C0] sysvec_apic_timer_interrupt+0xa4/0xc0
[ 243.077963][ C0]
[ 243.080818][ C0]
[ 243.083599][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ 243.089421][ C0] RIP: 0010:copy_user_enhanced_fast_string+0x0/0x40
[ 243.095833][ C0] Code: 8a 06 88 07 48 ff c6 48 ff c7 ff c9 75 f2 89 d1 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 31 c0 0f 01 ca c3 0f 1f 80 00 00 00 00 <0f> 01 cb 83 fa 40 0f 82 70 ff ff ff 89 d1 f3 a4 31 c0 0f 01 ca c3
[ 243.115278][ C0] RSP: 0018:ffffc90000a87a98 EFLAGS: 00000256
[ 243.121176][ C0] RAX: 00007f2933806e01 RBX: 00007f2933807010 RCX: ffffffff812edc95
[ 243.128987][ C0] RDX: 0000000000000030 RSI: 00007f2933807010 RDI: ffffc90000a87bb0
[ 243.136799][ C0] RBP: ffffc90000a87c50 R08: dffffc0000000000 R09: fffff52000150f7c
[ 243.144609][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: 00007f2933806e40
[ 243.152421][ C0] R13: 0000000000000000 R14: ffffc90000a87bb0 R15: 00007f2933807184
[ 243.160238][ C0] ? fpu__restore_sig+0x195/0xf40
[ 243.165099][ C0] ? fpu__restore_sig+0x1a5/0xf40
[ 243.169954][ C0] ? irqentry_exit+0x30/0x40
[ 243.174383][ C0] ? copy_fpstate_to_sigframe+0x9a0/0x9a0
[ 243.179949][ C0] ? __kasan_check_write+0x14/0x20
[ 243.184882][ C0] ? _copy_from_user+0x96/0xd0
[ 243.189484][ C0] restore_sigcontext+0x638/0x710
[ 243.194347][ C0] ? fpu__clear_user_states+0x187/0x210
[ 243.199903][ C0] ? __do_compat_sys_x32_rt_sigreturn+0x1e0/0x1e0
[ 243.206152][ C0] ? _raw_spin_lock_irq+0xa5/0x1b0
[ 243.211107][ C0] __do_sys_rt_sigreturn+0x153/0x1e0
[ 243.216229][ C0] ? x32_copy_siginfo_to_user+0x270/0x270
[ 243.221780][ C0] ? debug_smp_processor_id+0x17/0x20
[ 243.226983][ C0] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 243.232967][ C0] ? exit_to_user_mode_prepare+0x39/0xa0
[ 243.238441][ C0] x64_sys_call+0x91/0x9a0
[ 243.242686][ C0] do_syscall_64+0x3b/0xb0
[ 243.246945][ C0] ? clear_bhb_loop+0x35/0x90
[ 243.251452][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 243.257305][ C0] RIP: 0033:0x7f2933846417
[ 243.261555][ C0] Code: 14 25 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 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
[ 243.280997][ C0] RSP: 002b:00007f2933807238 EFLAGS: 00000246
[ 243.286895][ C0] RAX: 00000000000000ca RBX: 00007f29338d0308 RCX: 00007f2933846419
[ 243.294709][ C0] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f29338d0308
[ 243.302518][ C0] RBP: 00007f29338d0300 R08: 00007f29338076c0 R09: 00007f29338076c0
[ 243.310328][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f29338d030c
[ 243.318147][ C0] R13: 0000000000000000 R14: 00007ffc2d48a1b0 R15: 00007ffc2d48a298
[ 243.325956][ C0]
[ 243.328923][ C0] sched: RT throttling activated
[ 285.417543][ C0] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 142s!
[ 285.426279][ C0] Showing busy workqueues and worker pools:
[ 285.432016][ C0] workqueue events: flags=0x0
[ 285.436529][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256 refcnt=3
[ 285.436586][ C0] pending: vmstat_shepherd, psi_avgs_work
[ 285.436632][ C0] workqueue events_unbound: flags=0x2
[ 285.455089][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/512 refcnt=4
[ 285.455130][ C0] pending: toggle_allocation_gate, flush_memcg_stats_dwork
[ 285.455177][ C0] workqueue events_power_efficient: flags=0x80
[ 285.475484][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=3/256 refcnt=4
[ 285.475531][ C0] pending: neigh_periodic_work, neigh_periodic_work, gc_worker
[ 285.475592][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
[ 285.475632][ C0] pending: check_lifetime
[ 285.475657][ C0] workqueue mm_percpu_wq: flags=0x8
[ 285.508098][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
[ 285.508146][ C0] pending: vmstat_update
[ 285.508175][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
[ 285.508214][ C0] pending: vmstat_update
[ 285.508239][ C0] workqueue writeback: flags=0x4a
[ 285.536856][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3
[ 285.536900][ C0] pending: wb_workfn
[ 285.537119][ C0] workqueue dm_bufio_cache: flags=0x8
[ 285.553497][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
[ 285.553552][ C0] pending: work_fn
[ 285.553640][ C0] workqueue ipv6_addrconf: flags=0x40008
[ 285.570461][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1 refcnt=2
[ 285.570507][ C0] pending: addrconf_verify_work