Warning: Permanently added '10.128.1.35' (ED25519) to the list of known hosts.
executing program
executing program
executing program
executing program
[ 88.142671][ C0] hrtimer: interrupt took 49530 ns
[ 193.122630][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[ 193.131214][ C0] rcu: (detected by 0, t=10502 jiffies, g=9969, q=45 ncpus=2)
[ 193.139341][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10501 (4294956378-4294945877), jiffies_till_next_fqs=1, root ->qsmask 0x0
[ 193.153302][ C0] rcu: rcu_preempt kthread starved for 10503 jiffies! g9969 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
[ 193.165076][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
[ 193.175798][ C0] rcu: RCU grace-period kthread stack dump:
[ 193.182524][ C0] task:rcu_preempt state:R running task stack:27656 pid:17 ppid:2 flags:0x00004000
[ 193.193832][ C0] Call Trace:
[ 193.197250][ C0]
[ 193.200345][ C0] __schedule+0x1553/0x45a0
[ 193.205500][ C0] ? _raw_spin_unlock_irqrestore+0x86/0x120
[ 193.212326][ C0] ? _raw_spin_unlock_irqrestore+0xc5/0x120
[ 193.218490][ C0] ? asan.module_dtor+0x20/0x20
[ 193.224167][ C0] ? enqueue_timer+0x23d/0x550
[ 193.229205][ C0] ? __mod_timer+0x984/0xdb0
[ 193.234133][ C0] schedule+0xbd/0x170
[ 193.238445][ C0] schedule_timeout+0x188/0x2d0
[ 193.243692][ C0] ? console_conditional_schedule+0x40/0x40
[ 193.250098][ C0] ? _raw_spin_unlock_irqrestore+0x86/0x120
[ 193.256051][ C0] ? update_process_times+0x1b0/0x1b0
[ 193.261994][ C0] ? prepare_to_swait_event+0x339/0x360
[ 193.267846][ C0] rcu_gp_fqs_loop+0x313/0x1590
[ 193.272921][ C0] ? dump_blkd_tasks+0x810/0x810
[ 193.277976][ C0] ? rcu_gp_init+0x1560/0x1560
[ 193.282861][ C0] ? rcu_gp_cleanup+0xb41/0xc90
[ 193.287972][ C0] ? _raw_spin_unlock_irq+0x23/0x50
[ 193.293361][ C0] ? lockdep_hardirqs_on+0x98/0x150
[ 193.298796][ C0] rcu_gp_kthread+0x9d/0x3b0
[ 193.303427][ C0] ? rcu_report_qs_rsp+0x1a0/0x1a0
[ 193.308569][ C0] ? __kthread_parkme+0x7a/0x1c0
[ 193.313545][ C0] ? __kthread_parkme+0x162/0x1c0
[ 193.318627][ C0] kthread+0x2fa/0x390
[ 193.322751][ C0] ? rcu_report_qs_rsp+0x1a0/0x1a0
[ 193.328081][ C0] ? kthread_blkcg+0xd0/0xd0
[ 193.332731][ C0] ret_from_fork+0x48/0x80
[ 193.337182][ C0] ? kthread_blkcg+0xd0/0xd0
[ 193.341832][ C0] ret_from_fork_asm+0x11/0x20
[ 193.346657][ C0]
[ 193.349702][ C0] rcu: Stack dump where RCU GP kthread last ran:
[ 193.356072][ C0] CPU: 0 PID: 5777 Comm: syz-executor349 Not tainted syzkaller #0
[ 193.364089][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 193.374260][ C0] RIP: 0010:seqcount_lockdep_reader_access+0x19a/0x1d0
[ 193.381494][ C0] Code: 00 4d 85 e4 75 16 e8 b5 c4 0f 00 eb 15 e8 ae c4 0f 00 e8 89 bc 0d 09 4d 85 e4 74 ea e8 9f c4 0f 00 fb 48 c7 04 24 0e 36 e0 45 <4b> c7 04 3e 00 00 00 00 43 c7 44 3e 08 00 00 00 00 65 48 8b 04 25
[ 193.401685][ C0] RSP: 0018:ffffc90000007680 EFLAGS: 00000246
[ 193.408230][ C0] RAX: ffffffff817757c1 RBX: 0000000000000000 RCX: ffff88802cf7bc00
[ 193.417297][ C0] RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
[ 193.427622][ C0] RBP: ffffc90000007738 R08: ffffffff911c15cf R09: 1ffffffff22382b9
[ 193.436365][ C0] R10: dffffc0000000000 R11: fffffbfff22382ba R12: 0000000000000200
[ 193.445125][ C0] R13: 000001fb63109b96 R14: 1ffff92000000ed0 R15: dffffc0000000000
[ 193.454987][ C0] FS: 00007f64cd2216c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
[ 193.464592][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 193.471478][ C0] CR2: 0000000100000001 CR3: 000000007d4c9000 CR4: 00000000003506f0
[ 193.479835][ C0] Call Trace:
[ 193.483525][ C0]
[ 193.486401][ C0] ? ktime_get_real_ts64+0x440/0x440
[ 193.491730][ C0] ? dev_gro_receive+0x10ce/0x22c0
[ 193.497054][ C0] ktime_get_with_offset+0x94/0x330
[ 193.502311][ C0] netif_receive_skb_list_internal+0x34a/0xca0
[ 193.508594][ C0] ? dev_gro_receive+0x10ce/0x22c0
[ 193.514187][ C0] ? netif_receive_skb_core+0x230/0x230
[ 193.520219][ C0] ? __build_skb_around+0x255/0x3d0
[ 193.525800][ C0] ? eth_type_trans+0x382/0x730
[ 193.530785][ C0] napi_gro_receive+0x565/0xb00
[ 193.535683][ C0] receive_buf+0x2203/0x3820
[ 193.540330][ C0] ? virtnet_poll_tx+0x530/0x530
[ 193.545315][ C0] ? do_raw_spin_trylock+0xb2/0x190
[ 193.550770][ C0] ? virtqueue_get_buf_ctx+0x697/0xd10
[ 193.556270][ C0] virtnet_poll+0x5dd/0x1280
[ 193.560899][ C0] ? refill_work+0x220/0x220
[ 193.565520][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 193.571746][ C0] ? lockdep_hardirqs_on+0x98/0x150
[ 193.577072][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 193.583267][ C0] __napi_poll+0xc0/0x460
[ 193.587656][ C0] net_rx_action+0x616/0xc40
[ 193.592289][ C0] ? net_tx_action+0x980/0x980
[ 193.597096][ C0] ? detach_timer+0x2b0/0x2b0
[ 193.601907][ C0] handle_softirqs+0x280/0x820
[ 193.606712][ C0] ? __irq_exit_rcu+0xd3/0x190
[ 193.611523][ C0] ? do_softirq+0x1a0/0x1a0
[ 193.616160][ C0] ? irqtime_account_irq+0xb6/0x1c0
[ 193.621574][ C0] __irq_exit_rcu+0xd3/0x190
[ 193.626197][ C0] ? irq_exit_rcu+0x20/0x20
[ 193.630735][ C0] irq_exit_rcu+0x9/0x20
[ 193.635031][ C0] sysvec_apic_timer_interrupt+0xa4/0xc0
[ 193.641172][ C0]
[ 193.644269][ C0]
[ 193.647487][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 193.653762][ C0] RIP: 0010:generic_exec_single+0x481/0x4f0
[ 193.659957][ C0] Code: 75 11 e8 72 03 0b 00 48 85 db 75 16 e8 68 03 0b 00 eb 15 e8 61 03 0b 00 e8 3c fb 08 09 48 85 db 74 ea e8 52 03 0b 00 fb 31 c0 <48> c7 44 24 20 0e 36 e0 45 4b c7 04 2c 00 00 00 00 43 c7 44 2c 08
[ 193.680481][ C0] RSP: 0018:ffffc9000451fa00 EFLAGS: 00000246
[ 193.686945][ C0] RAX: 0000000000000000 RBX: 0000000000000200 RCX: ffff88802cf7bc00
[ 193.695578][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 193.703588][ C0] RBP: ffffc9000451fad0 R08: ffffffff911c15cf R09: 1ffffffff22382b9
[ 193.711903][ C0] R10: dffffc0000000000 R11: fffffbfff22382ba R12: 1ffff920008a3f44
[ 193.720085][ C0] R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff920008a3f65
[ 193.728274][ C0] ? event_function+0x300/0x300
[ 193.733211][ C0] ? smp_call_function_single+0x5a0/0x5a0
[ 193.739236][ C0] ? percpu_counter_add_batch+0x1f1/0x2a0
[ 193.745084][ C0] ? lockdep_hardirqs_on+0x98/0x150
[ 193.750326][ C0] ? smp_call_function_single+0xb0/0x5a0
[ 193.756277][ C0] smp_call_function_single+0x36d/0x5a0
[ 193.761870][ C0] ? event_function+0x300/0x300
[ 193.766756][ C0] ? flush_smp_call_function_queue+0x250/0x250
[ 193.772978][ C0] ? event_function+0x300/0x300
[ 193.778004][ C0] perf_install_in_context+0x5be/0x920
[ 193.783689][ C0] ? exclusive_event_installable+0x2c0/0x2c0
[ 193.789808][ C0] ? lockdep_hardirqs_on+0x98/0x150
[ 193.795046][ C0] ? add_event_to_ctx+0x1180/0x1180
[ 193.800381][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 193.806834][ C0] __se_sys_perf_event_open+0x1836/0x1c50
[ 193.812638][ C0] ? clockevents_program_event+0x230/0x310
[ 193.818509][ C0] ? __x64_sys_perf_event_open+0xc0/0xc0
[ 193.824205][ C0] ? lock_chain_count+0x20/0x20
[ 193.829269][ C0] ? lockdep_hardirqs_on_prepare+0x40d/0x770
[ 193.835391][ C0] ? lockdep_hardirqs_on+0x98/0x150
[ 193.840647][ C0] ? __x64_sys_perf_event_open+0x20/0xc0
[ 193.846446][ C0] do_syscall_64+0x55/0xa0
[ 193.850924][ C0] ? clear_bhb_loop+0x40/0x90
[ 193.855640][ C0] ? clear_bhb_loop+0x40/0x90
[ 193.860376][ C0] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 193.866423][ C0] RIP: 0033:0x7f64cd24b6d9
[ 193.871172][ C0] Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 0f 1f 44 00 00 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 d0 ff ff ff f7 d8 64 89 01 48
[ 193.891630][ C0] RSP: 002b:00007f64cd221168 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
[ 193.900432][ C0] RAX: ffffffffffffffda RBX: 00007f64cd2f4b48 RCX: 00007f64cd24b6d9
[ 193.908481][ C0] RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000200000000140
[ 193.916867][ C0] RBP: 00007f64cd2f4b40 R08: 0000000000000002 R09: 0000000000000000
[ 193.925190][ C0] R10: ffffffffffffffff R11: 0000000000000246 R12: 00007f64cd2f4b4c
[ 193.933426][ C0] R13: 0000000000000000 R14: 00007fff851084b0 R15: 00007fff85108598
[ 193.941650][ C0]