Warning: Permanently added '10.128.0.97' (ED25519) to the list of known hosts.
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[ 190.545746][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[ 190.552916][ C0] rcu: (detected by 0, t=10502 jiffies, g=12953, q=59 ncpus=2)
[ 190.560585][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4294956169-4294945667), jiffies_till_next_fqs=1, root ->qsmask 0x0
[ 190.574009][ C0] rcu: rcu_preempt kthread starved for 10502 jiffies! g12953 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
[ 190.585332][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
[ 190.595421][ C0] rcu: RCU grace-period kthread stack dump:
[ 190.601438][ C0] task:rcu_preempt state:R running task stack:27896 pid:16 tgid:16 ppid:2 task_flags:0x208040 flags:0x00080000
[ 190.615031][ C0] Call Trace:
[ 190.618357][ C0]
[ 190.621328][ C0] __schedule+0x17b4/0x5680
[ 190.625902][ C0] ? __lock_acquire+0x6b5/0x2cf0
[ 190.630906][ C0] ? __pfx___schedule+0x10/0x10
[ 190.635813][ C0] ? schedule+0x90/0x360
[ 190.640103][ C0] schedule+0x164/0x360
[ 190.644303][ C0] schedule_timeout+0x158/0x2c0
[ 190.649194][ C0] ? __pfx_schedule_timeout+0x10/0x10
[ 190.654608][ C0] ? __pfx_process_timeout+0x10/0x10
[ 190.659952][ C0] ? _raw_spin_unlock_irqrestore+0x4c/0x80
[ 190.665820][ C0] ? prepare_to_swait_event+0x340/0x370
[ 190.671430][ C0] rcu_gp_fqs_loop+0x312/0x11d0
[ 190.676329][ C0] ? lockdep_hardirqs_on+0x7a/0x110
[ 190.681571][ C0] ? rcu_gp_init+0x1315/0x15b0
[ 190.686471][ C0] ? __pfx_rcu_gp_fqs_loop+0x10/0x10
[ 190.691802][ C0] ? _raw_spin_unlock_irq+0x2e/0x50
[ 190.697049][ C0] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 190.702900][ C0] rcu_gp_kthread+0x9e/0x2b0
[ 190.707534][ C0] ? __pfx_rcu_gp_kthread+0x10/0x10
[ 190.712770][ C0] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 190.718740][ C0] ? __kthread_parkme+0x7a/0x1f0
[ 190.723744][ C0] ? __kthread_parkme+0x19c/0x1f0
[ 190.728807][ C0] kthread+0x388/0x470
[ 190.732944][ C0] ? __pfx_rcu_gp_kthread+0x10/0x10
[ 190.738211][ C0] ? __pfx_kthread+0x10/0x10
[ 190.742862][ C0] ret_from_fork+0x514/0xb70
[ 190.747507][ C0] ? __pfx_ret_from_fork+0x10/0x10
[ 190.752670][ C0] ? __switch_to+0xc79/0x1410
[ 190.757407][ C0] ? __pfx_kthread+0x10/0x10
[ 190.762054][ C0] ret_from_fork_asm+0x1a/0x30
[ 190.766876][ C0]
[ 190.769936][ C0] rcu: Stack dump where RCU GP kthread last ran:
[ 190.776301][ C0] Sending NMI from CPU 0 to CPUs 1:
[ 190.781556][ C1] NMI backtrace for cpu 1
[ 190.781589][ C1] CPU: 1 UID: 0 PID: 5753 Comm: syz-executor127 Not tainted syzkaller #0 PREEMPT(full)
[ 190.781610][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 190.781621][ C1] RIP: 0010:debug_lockdep_rcu_enabled+0xd/0x40
[ 190.781650][ C1] Code: 8d 67 48 0f b9 3a 90 eb ca cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 31 c0 83 3d 63 6a 88 04 00 <74> 1d 83 3d 1a 9c 88 04 00 74 14 65 48 8b 0d 58 c5 90 07 31 c0 83
[ 190.781665][ C1] RSP: 0018:ffffc90003c265d8 EFLAGS: 00000202
[ 190.781681][ C1] RAX: 0000000000000000 RBX: dffffc0000000000 RCX: ffff888036a2bd80
[ 190.781693][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 190.781703][ C1] RBP: ffffc90003c268d0 R08: ffffffff9030a3f7 R09: 1ffffffff206147e
[ 190.781716][ C1] R10: dffffc0000000000 R11: fffffbfff206147f R12: ffff88801f682b80
[ 190.781729][ C1] R13: ffffc90003c26b40 R14: ffff88801f682bb0 R15: 00000000fc3ba49c
[ 190.781741][ C1] FS: 00007f4840a5e6c0(0000) GS:ffff888125390000(0000) knlGS:0000000000000000
[ 190.781756][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 190.781767][ C1] CR2: 00007f4840a5dff8 CR3: 00000000774f2000 CR4: 00000000003526f0
[ 190.781783][ C1] Call Trace:
[ 190.781792][ C1]
[ 190.781799][ C1] tipc_sk_rcv+0x2507/0x2b40
[ 190.781827][ C1] ? unwind_next_frame+0xa6/0x2550
[ 190.781852][ C1] ? is_bpf_text_address+0x26/0x2b0
[ 190.781874][ C1] ? __lock_acquire+0x6b5/0x2cf0
[ 190.781896][ C1] ? __lock_acquire+0x6b5/0x2cf0
[ 190.781918][ C1] ? kernel_text_address+0xa5/0xe0
[ 190.781944][ C1] ? __kernel_text_address+0xd/0x30
[ 190.781970][ C1] ? __pfx_tipc_sk_rcv+0x10/0x10
[ 190.782005][ C1] ? tipc_loopback_trace+0x48/0x1b0
[ 190.782030][ C1] ? __raw_spin_lock_init+0x45/0x100
[ 190.782057][ C1] tipc_node_xmit+0x202/0xf10
[ 190.782078][ C1] ? __kasan_slab_free+0x5c/0x80
[ 190.782102][ C1] ? kmem_cache_free+0x182/0x650
[ 190.782126][ C1] ? tipc_sk_rcv+0x2721/0x2b40
[ 190.782151][ C1] ? tipc_node_xmit+0x202/0xf10
[ 190.782172][ C1] ? tipc_sk_filter_rcv+0x1d3b/0x3370
[ 190.782190][ C1] ? tipc_node_distr_xmit+0x2d8/0x400
[ 190.782212][ C1] ? tipc_sk_backlog_rcv+0x1bb/0x270
[ 190.782230][ C1] ? __release_sock+0x297/0x3a0
[ 190.782253][ C1] ? release_sock+0x190/0x260
[ 190.782271][ C1] ? __pfx_tipc_node_xmit+0x10/0x10
[ 190.782292][ C1] ? do_syscall_64+0x15f/0xf80
[ 190.782324][ C1] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 190.782370][ C1] tipc_node_distr_xmit+0x2d8/0x400
[ 190.782398][ C1] ? __pfx_tipc_node_distr_xmit+0x10/0x10
[ 190.782424][ C1] ? tipc_sk_rcv+0x24fd/0x2b40
[ 190.782450][ C1] ? __local_bh_enable_ip+0xd0/0x130
[ 190.782470][ C1] tipc_sk_rcv+0x2535/0x2b40
[ 190.782514][ C1] ? __pfx_tipc_sk_rcv+0x10/0x10
[ 190.782548][ C1] ? tipc_loopback_trace+0x48/0x1b0
[ 190.782571][ C1] ? __raw_spin_lock_init+0x45/0x100
[ 190.782663][ C1] tipc_node_xmit+0x202/0xf10
[ 190.782698][ C1] ? __lock_acquire+0x6b5/0x2cf0
[ 190.782719][ C1] ? __pfx_tipc_node_xmit+0x10/0x10
[ 190.782743][ C1] ? __lock_acquire+0x6b5/0x2cf0
[ 190.782772][ C1] tipc_sk_filter_rcv+0x1d3b/0x3370
[ 190.782815][ C1] ? __pfx_tipc_sk_filter_rcv+0x10/0x10
[ 190.782839][ C1] ? tipc_sk_rcv+0x741/0x2b40
[ 190.782868][ C1] tipc_sk_rcv+0x87d/0x2b40
[ 190.782893][ C1] ? do_sock_setsockopt+0x11b/0x1b0
[ 190.782913][ C1] ? __x64_sys_setsockopt+0x13d/0x1b0
[ 190.782932][ C1] ? do_syscall_64+0x15f/0xf80
[ 190.782952][ C1] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 190.782988][ C1] ? __pfx_tipc_sk_rcv+0x10/0x10
[ 190.783021][ C1] ? tipc_loopback_trace+0x48/0x1b0
[ 190.783044][ C1] ? __raw_spin_lock_init+0x45/0x100
[ 190.783069][ C1] tipc_node_xmit+0x202/0xf10
[ 190.783096][ C1] ? __pfx_tipc_node_xmit+0x10/0x10
[ 190.783133][ C1] tipc_node_distr_xmit+0x2d8/0x400
[ 190.783160][ C1] ? __pfx_tipc_node_distr_xmit+0x10/0x10
[ 190.783191][ C1] tipc_sk_backlog_rcv+0x1bb/0x270
[ 190.783211][ C1] ? __pfx_tipc_sk_backlog_rcv+0x10/0x10
[ 190.783234][ C1] ? __release_sock+0xa2/0x3a0
[ 190.783258][ C1] ? __local_bh_enable_ip+0xd0/0x130
[ 190.783277][ C1] ? __pfx_tipc_sk_backlog_rcv+0x10/0x10
[ 190.783294][ C1] __release_sock+0x297/0x3a0
[ 190.783322][ C1] release_sock+0x190/0x260
[ 190.783341][ C1] sk_setsockopt+0x27d6/0x2d60
[ 190.783365][ C1] ? __pfx_sk_setsockopt+0x10/0x10
[ 190.783383][ C1] ? __might_fault+0xaf/0x130
[ 190.783406][ C1] ? aa_sk_perm+0x6d5/0x900
[ 190.783437][ C1] ? __fget_files+0x2a/0x420
[ 190.783459][ C1] ? __pfx_aa_sk_perm+0x10/0x10
[ 190.783479][ C1] ? __fget_files+0x2a/0x420
[ 190.783498][ C1] ? aa_sock_opt_perm+0xff/0x1a0
[ 190.783520][ C1] ? bpf_lsm_socket_setsockopt+0x9/0x20
[ 190.783546][ C1] do_sock_setsockopt+0x11b/0x1b0
[ 190.783569][ C1] __x64_sys_setsockopt+0x13d/0x1b0
[ 190.783592][ C1] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 190.783622][ C1] do_syscall_64+0x15f/0xf80
[ 190.783642][ C1] ? trace_irq_disable+0x3b/0x140
[ 190.783667][ C1] ? clear_bhb_loop+0x40/0x90
[ 190.783687][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 190.783704][ C1] RIP: 0033:0x7f4840aa7029
[ 190.783733][ C1] 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
[ 190.783747][ C1] RSP: 002b:00007f4840a5e1d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 190.783766][ C1] RAX: ffffffffffffffda RBX: 00007f4840a5ecdc RCX: 00007f4840aa7029
[ 190.783779][ C1] RDX: 0000000000000021 RSI: 0000000000000001 RDI: 0000000000000003
[ 190.783789][ C1] RBP: 00007f4840b57b58 R08: 0000000000000004 R09: 35203a6b63617473
[ 190.783801][ C1] R10: 00002000000001c0 R11: 0000000000000246 R12: 0000200000003280
[ 190.783812][ C1] R13: 00007f4840b57b50 R14: 00007f4840b57b5c R15: 0000200000000004
[ 190.783833][ C1]
[ 190.783846][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 2.295 msecs