Warning: Permanently added '10.128.0.243' (ED25519) to the list of known hosts.
executing program
[ 172.196403][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[ 172.203575][ C1] rcu: (detected by 1, t=10502 jiffies, g=7077, q=176 ncpus=2)
[ 172.211217][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10499 (4294954305-4294943806), jiffies_till_next_fqs=1, root ->qsmask 0x0
[ 172.224692][ C1] rcu: rcu_preempt kthread starved for 10500 jiffies! g7077 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
[ 172.235828][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
[ 172.245820][ C1] rcu: RCU grace-period kthread stack dump:
[ 172.251840][ C1] task:rcu_preempt state:R running task stack:27752 pid:17 ppid:2 flags:0x00004000
[ 172.262662][ C1] Call Trace:
[ 172.265958][ C1]
[ 172.268919][ C1] __schedule+0x14d2/0x44d0
[ 172.273486][ C1] ? _raw_spin_unlock_irqrestore+0x86/0x110
[ 172.279403][ C1] ? lockdep_hardirqs_on+0x98/0x150
[ 172.284618][ C1] ? _raw_spin_unlock_irqrestore+0xae/0x110
[ 172.290550][ C1] ? asan.module_dtor+0x20/0x20
[ 172.295418][ C1] ? enqueue_timer+0x225/0x530
[ 172.300218][ C1] ? __mod_timer+0x984/0xdb0
[ 172.304847][ C1] schedule+0xbd/0x170
[ 172.308944][ C1] schedule_timeout+0x160/0x280
[ 172.313825][ C1] ? console_conditional_schedule+0x40/0x40
[ 172.319733][ C1] ? _raw_spin_unlock_irqrestore+0x86/0x110
[ 172.325639][ C1] ? update_process_times+0x1b0/0x1b0
[ 172.331096][ C1] ? prepare_to_swait_event+0x339/0x360
[ 172.336671][ C1] rcu_gp_fqs_loop+0x302/0x1560
[ 172.341557][ C1] ? dyntick_save_progress_counter+0x2b0/0x2b0
[ 172.347735][ C1] ? lockdep_hardirqs_on+0x98/0x150
[ 172.352953][ C1] ? rcu_gp_init+0x1510/0x1510
[ 172.357738][ C1] ? _raw_spin_unlock_irqrestore+0xae/0x110
[ 172.363657][ C1] ? finish_swait+0xc7/0x1d0
[ 172.368267][ C1] rcu_gp_kthread+0x99/0x380
[ 172.372878][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0
[ 172.378018][ C1] ? __kthread_parkme+0x7a/0x1c0
[ 172.382980][ C1] ? __kthread_parkme+0x162/0x1c0
[ 172.388096][ C1] kthread+0x2fa/0x390
[ 172.392178][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0
[ 172.397484][ C1] ? kthread_blkcg+0xd0/0xd0
[ 172.402083][ C1] ret_from_fork+0x48/0x80
[ 172.406513][ C1] ? kthread_blkcg+0xd0/0xd0
[ 172.411117][ C1] ret_from_fork_asm+0x11/0x20
[ 172.415912][ C1]
[ 172.418950][ C1] rcu: Stack dump where RCU GP kthread last ran:
[ 172.425384][ C1] Sending NMI from CPU 1 to CPUs 0:
[ 172.430624][ C0] NMI backtrace for cpu 0
[ 172.430642][ C0] CPU: 0 PID: 5762 Comm: syz-executor107 Not tainted syzkaller #0
[ 172.430658][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 172.430667][ C0] RIP: 0010:unwind_next_frame+0x724/0x2970
[ 172.430697][ C0] Code: 03 42 0f b6 04 28 84 c0 0f 85 51 1c 00 00 41 0f b7 1f c1 eb 0b 80 e3 01 48 8b 44 24 38 42 0f b6 04 28 84 c0 0f 85 55 1c 00 00 <48> 8b 44 24 08 88 18 45 0f b7 37 41 83 e6 0f 4c 89 f7 48 c7 c6 60
[ 172.430710][ C0] RSP: 0018:ffffc90000007878 EFLAGS: 00000046
[ 172.430723][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff88802c98bc00
[ 172.430733][ C0] RDX: 0000000000010000 RSI: ffffffff8cb9e740 RDI: 0000000000000002
[ 172.430743][ C0] RBP: ffffc90000007998 R08: ffff88802c98bc00 R09: 0000000000000002
[ 172.430759][ C0] R10: 0000000000000001 R11: 0000000000010000 R12: ffffc90000007948
[ 172.430769][ C0] R13: dffffc0000000000 R14: ffffffff8ed06e85 R15: ffffffff8ed06e84
[ 172.430781][ C0] FS: 0000555589143380(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
[ 172.430795][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 172.430806][ C0] CR2: 00007f74290680d0 CR3: 000000001e7f8000 CR4: 00000000003506f0
[ 172.430819][ C0] Call Trace:
[ 172.430824][ C0]
[ 172.430835][ C0] ? syscall_trace_enter+0xf0/0x150
[ 172.430857][ C0] ? syscall_trace_enter+0xf0/0x150
[ 172.430875][ C0] ? stack_trace_save+0xe0/0xe0
[ 172.430891][ C0] arch_stack_walk+0x144/0x190
[ 172.430909][ C0] ? syscall_trace_enter+0xf0/0x150
[ 172.430929][ C0] stack_trace_save+0x9c/0xe0
[ 172.430946][ C0] ? stack_trace_snprint+0xf0/0xf0
[ 172.430962][ C0] ? __lock_acquire+0x1260/0x7c80
[ 172.430985][ C0] kasan_set_track+0x4e/0x70
[ 172.430999][ C0] ? kasan_set_track+0x4e/0x70
[ 172.431013][ C0] ? __kasan_slab_alloc+0x6c/0x80
[ 172.431028][ C0] ? slab_post_alloc_hook+0x6e/0x4d0
[ 172.431047][ C0] ? kmem_cache_alloc+0x11e/0x2e0
[ 172.431066][ C0] ? __sigqueue_alloc+0x40c/0x520
[ 172.431086][ C0] ? __send_signal_locked+0x22f/0xe00
[ 172.431106][ C0] ? group_send_sig_info+0x1fa/0x260
[ 172.431126][ C0] ? do_bpf_send_signal+0x7f/0x190
[ 172.431142][ C0] ? irq_work_single+0xd5/0x230
[ 172.431156][ C0] ? irq_work_run+0x156/0x2e0
[ 172.431170][ C0] ? __sysvec_irq_work+0x98/0x380
[ 172.431190][ C0] ? sysvec_irq_work+0x9c/0xc0
[ 172.431206][ C0] ? asm_sysvec_irq_work+0x1a/0x20
[ 172.431223][ C0] ? native_apic_msr_write+0x39/0x50
[ 172.431236][ C0] ? arch_irq_work_raise+0x68/0x70
[ 172.431256][ C0] ? irq_work_queue+0x99/0x140
[ 172.431270][ C0] ? bpf_send_signal_common+0x2b6/0x420
[ 172.431285][ C0] ? bpf_send_signal+0x19/0x20
[ 172.431306][ C0] ? bpf_prog_8cc4ff36b5985b6a+0x1d/0x1f
[ 172.431326][ C0] ? bpf_trace_run2+0x1d1/0x3c0
[ 172.431340][ C0] ? __traceiter_sys_enter+0x2a/0x40
[ 172.431357][ C0] ? trace_sys_enter+0x69/0x80
[ 172.431375][ C0] ? syscall_trace_enter+0xf0/0x150
[ 172.431410][ C0] __kasan_slab_alloc+0x6c/0x80
[ 172.431427][ C0] slab_post_alloc_hook+0x6e/0x4d0
[ 172.431451][ C0] kmem_cache_alloc+0x11e/0x2e0
[ 172.431470][ C0] ? __sigqueue_alloc+0x40c/0x520
[ 172.431492][ C0] ? __sigqueue_alloc+0x32/0x520
[ 172.431513][ C0] __sigqueue_alloc+0x40c/0x520
[ 172.431537][ C0] __send_signal_locked+0x22f/0xe00
[ 172.431558][ C0] ? group_send_sig_info+0x3e/0x260
[ 172.431580][ C0] group_send_sig_info+0x1fa/0x260
[ 172.431603][ C0] do_bpf_send_signal+0x7f/0x190
[ 172.431620][ C0] irq_work_single+0xd5/0x230
[ 172.431637][ C0] irq_work_run+0x156/0x2e0
[ 172.431652][ C0] ? irq_work_single+0x230/0x230
[ 172.431668][ C0] ? __irq_exit_rcu+0xd3/0x190
[ 172.431682][ C0] ? irq_exit_rcu+0x20/0x20
[ 172.431699][ C0] __sysvec_irq_work+0x98/0x380
[ 172.431719][ C0] sysvec_irq_work+0x9c/0xc0
[ 172.431734][ C0]
[ 172.431739][ C0]
[ 172.431744][ C0] asm_sysvec_irq_work+0x1a/0x20
[ 172.431765][ C0] RIP: 0010:native_apic_msr_write+0x39/0x50
[ 172.431780][ C0] Code: 74 2a 83 ff 30 74 25 eb 10 81 ff d0 00 00 00 74 1b 81 ff e0 00 00 00 74 13 c1 ef 04 81 c7 00 08 00 00 89 f9 89 f0 31 d2 0f 30 <66> 90 c3 f3 0f 1e fa 89 f6 31 d2 e9 f7 36 19 03 0f 1f 80 00 00 00
[ 172.431792][ C0] RSP: 0018:ffffc90003b87cd8 EFLAGS: 00000246
[ 172.431803][ C0] RAX: 00000000000000f6 RBX: 0000000000000200 RCX: 000000000000083f
[ 172.431813][ C0] RDX: 0000000000000000 RSI: 00000000000000f6 RDI: 000000000000083f
[ 172.431822][ C0] RBP: 0000000000000000 R08: ffffc90003b87c47 R09: 1ffff92000770f88
[ 172.431832][ C0] R10: dffffc0000000000 R11: fffff52000770f89 R12: ffff8880b8e35001
[ 172.431851][ C0] R13: dffffc0000000000 R14: ffff8880b8e35050 R15: 0000000000000020
[ 172.431870][ C0] arch_irq_work_raise+0x68/0x70
[ 172.431890][ C0] irq_work_queue+0x99/0x140
[ 172.431906][ C0] bpf_send_signal_common+0x2b6/0x420
[ 172.431922][ C0] ? _raw_spin_unlock_irq+0x23/0x50
[ 172.431941][ C0] ? __set_printk_clr_event+0x80/0x80
[ 172.431956][ C0] ? _raw_spin_unlock_irq+0x2e/0x50
[ 172.431972][ C0] ? arch_do_signal_or_restart+0x34d/0x7b0
[ 172.431997][ C0] bpf_send_signal+0x19/0x20
[ 172.432018][ C0] bpf_prog_8cc4ff36b5985b6a+0x1d/0x1f
[ 172.432034][ C0] bpf_trace_run2+0x1d1/0x3c0
[ 172.432048][ C0] ? bpf_trace_run2+0xde/0x3c0
[ 172.432062][ C0] ? bpf_trace_run1+0x3b0/0x3b0
[ 172.432075][ C0] ? lockdep_hardirqs_on_prepare+0x400/0x760
[ 172.432093][ C0] ? lock_chain_count+0x20/0x20
[ 172.432111][ C0] __traceiter_sys_enter+0x2a/0x40
[ 172.432129][ C0] trace_sys_enter+0x69/0x80
[ 172.432146][ C0] syscall_trace_enter+0xf0/0x150
[ 172.432166][ C0] do_syscall_64+0x28/0xb0
[ 172.432179][ C0] ? clear_bhb_loop+0x40/0x90
[ 172.432196][ C0] ? clear_bhb_loop+0x40/0x90
[ 172.432214][ C0] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 172.432231][ C0] RIP: 0033:0x7f7428ff0ce9
[ 172.432242][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 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 b8 ff ff ff f7 d8 64 89 01 48
[ 172.432253][ C0] RSP: 002b:00007ffce3df1d58 EFLAGS: 00000246 ORIG_RAX: 0000000000000082
[ 172.432268][ C0] RAX: ffffffffffffffda RBX: 65746e655f737973 RCX: 00007f7428ff0ce9
[ 172.432279][ C0] RDX: 00007f7428ff0ce9 RSI: 0000000000000008 RDI: 0000200000000040
[ 172.432288][ C0] RBP: 0000000000000000 R08: 00000000000000a0 R09: 00000000000000a0
[ 172.432297][ C0] R10: 00000000000000a0 R11: 0000000000000246 R12: 0000000000000000
[ 172.432306][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: 00007ffce3df1d70
[ 172.432323][ C0]
[ 172.432329][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.705 msecs