Warning: Permanently added '10.128.0.102' (ED25519) to the list of known hosts. [ 260.634191][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 260.640979][ C0] rcu: 0-...!: (1 GPs behind) idle=a50c/1/0x4000000000000000 softirq=9083/9086 fqs=0 [ 260.651011][ C0] rcu: (t=10501 jiffies g=9673 q=67 ncpus=2) [ 260.657086][ C0] rcu: rcu_preempt kthread timer wakeup didn't happen for 10501 jiffies! g9673 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 [ 260.669325][ C0] rcu: Possible timer handling issue on cpu=1 timer-softirq=4418 [ 260.677126][ C0] rcu: rcu_preempt kthread starved for 10504 jiffies! g9673 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1 [ 260.688414][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 260.698383][ C0] rcu: RCU grace-period kthread stack dump: [ 260.704285][ C0] task:rcu_preempt state:I stack:26256 pid:16 tgid:16 ppid:2 flags:0x00004000 [ 260.714631][ C0] Call Trace: [ 260.717911][ C0] [ 260.720851][ C0] __schedule+0x17d3/0x4a20 [ 260.725549][ C0] ? __pfx___schedule+0x10/0x10 [ 260.730412][ C0] ? __pfx_lock_release+0x10/0x10 [ 260.735484][ C0] ? __asan_memset+0x23/0x50 [ 260.740211][ C0] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 260.746029][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 260.752373][ C0] ? schedule+0x90/0x320 [ 260.756629][ C0] schedule+0x14b/0x320 [ 260.760800][ C0] schedule_timeout+0x1be/0x310 [ 260.765708][ C0] ? __pfx_schedule_timeout+0x10/0x10 [ 260.771088][ C0] ? __pfx_process_timeout+0x10/0x10 [ 260.776412][ C0] ? prepare_to_swait_event+0x32e/0x350 [ 260.781980][ C0] rcu_gp_fqs_loop+0x2df/0x1370 [ 260.786842][ C0] ? lockdep_hardirqs_on+0x99/0x150 [ 260.792125][ C0] ? __pfx_rcu_gp_init+0x10/0x10 [ 260.797078][ C0] ? lockdep_hardirqs_on+0x99/0x150 [ 260.802285][ C0] ? __pfx_rcu_gp_fqs_loop+0x10/0x10 [ 260.807579][ C0] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 260.813494][ C0] ? finish_swait+0xd4/0x1e0 [ 260.818100][ C0] rcu_gp_kthread+0xa7/0x3b0 [ 260.822706][ C0] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 260.827915][ C0] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 260.833824][ C0] ? __kthread_parkme+0x169/0x1d0 [ 260.838890][ C0] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 260.844099][ C0] kthread+0x2f0/0x390 [ 260.848179][ C0] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 260.853411][ C0] ? __pfx_kthread+0x10/0x10 [ 260.858010][ C0] ret_from_fork+0x4b/0x80 [ 260.862465][ C0] ? __pfx_kthread+0x10/0x10 [ 260.867062][ C0] ret_from_fork_asm+0x1a/0x30 [ 260.871864][ C0] [ 260.874887][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 260.881208][ C0] Sending NMI from CPU 0 to CPUs 1: [ 260.886416][ C1] NMI backtrace for cpu 1 [ 260.886425][ C1] CPU: 1 PID: 13201 Comm: syz-executor188 Not tainted 6.8.0-syzkaller-05271-gf99c5f563c17 #0 [ 260.886441][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 260.886448][ C1] RIP: 0010:rcu_lockdep_current_cpu_online+0x87/0x120 [ 260.886469][ C1] Code: 3c 30 00 74 08 48 89 df e8 b6 83 7c 00 48 8b 03 48 8d 98 40 f0 03 00 48 8d b8 60 f0 03 00 48 89 f8 48 c1 e8 03 42 80 3c 30 00 <74> 05 e8 92 83 7c 00 4c 8b 7b 20 48 83 c3 18 48 89 d8 48 c1 e8 03 [ 260.886480][ C1] RSP: 0018:ffffc9000acd64d0 EFLAGS: 00000246 [ 260.886493][ C1] RAX: 1ffff110172a7e0c RBX: ffff8880b953f040 RCX: 0000000000000201 [ 260.886504][ C1] RDX: ffff8880521eda00 RSI: ffffffff8bfec640 RDI: ffff8880b953f060 [ 260.886515][ C1] RBP: ffffc9000acd65f0 R08: ffffffff8b0c3760 R09: 1ffffffff2598ea0 [ 260.886525][ C1] R10: dffffc0000000000 R11: fffffbfff2598ea1 R12: ffff88802394e410 [ 260.886535][ C1] R13: dffffc0000000000 R14: dffffc0000000000 R15: ffff88802a8b914e [ 260.886546][ C1] FS: 00007f897f4c46c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 260.886559][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 260.886569][ C1] CR2: 00000000200001c0 CR3: 00000000520ea000 CR4: 00000000003506f0 [ 260.886582][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 260.886590][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 260.886599][ C1] Call Trace: [ 260.886606][ C1] [ 260.886611][ C1] ? nmi_cpu_backtrace+0x3c2/0x4d0 [ 260.886699][ C1] ? __pfx_lock_acquire+0x10/0x10 [ 260.886715][ C1] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 260.886733][ C1] ? nmi_handle+0x2a/0x580 [ 260.886765][ C1] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 260.886782][ C1] ? nmi_handle+0x14f/0x580 [ 260.886796][ C1] ? nmi_handle+0x2a/0x580 [ 260.886811][ C1] ? rcu_lockdep_current_cpu_online+0x87/0x120 [ 260.886827][ C1] ? default_do_nmi+0x63/0x160 [ 260.886864][ C1] ? exc_nmi+0x123/0x1f0 [ 260.886882][ C1] ? end_repeat_nmi+0xf/0x53 [ 260.886939][ C1] ? tipc_sk_lookup+0x340/0x940 [ 260.886988][ C1] ? rcu_lockdep_current_cpu_online+0x87/0x120 [ 260.887005][ C1] ? rcu_lockdep_current_cpu_online+0x87/0x120 [ 260.887023][ C1] ? rcu_lockdep_current_cpu_online+0x87/0x120 [ 260.887040][ C1] [ 260.887044][ C1] [ 260.887050][ C1] rcu_read_lock_held+0x1e/0x50 [ 260.887065][ C1] tipc_sk_lookup+0x349/0x940 [ 260.887081][ C1] ? tipc_sk_lookup+0xcd/0x940 [ 260.887095][ C1] ? __pfx_tipc_sk_lookup+0x10/0x10 [ 260.887109][ C1] ? tipc_sk_rcv+0x25a/0x1d10 [ 260.887147][ C1] tipc_sk_rcv+0x434/0x1d10 [ 260.887165][ C1] ? __lock_acquire+0x1346/0x1fd0 [ 260.887193][ C1] ? __pfx_tipc_sk_rcv+0x10/0x10 [ 260.887211][ C1] ? __asan_memset+0x23/0x50 [ 260.887226][ C1] ? lockdep_init_map_type+0xa1/0x910 [ 260.887250][ C1] ? __raw_spin_lock_init+0x45/0x100 [ 260.887270][ C1] tipc_node_xmit+0x1e1/0x1010 [ 260.887287][ C1] ? tipc_sk_rcv+0x1764/0x1d10 [ 260.887310][ C1] ? tipc_node_xmit+0x1e1/0x1010 [ 260.887326][ C1] ? tipc_sk_filter_rcv+0x1934/0x3480 [ 260.887358][ C1] ? tipc_node_xmit+0x1e1/0x1010 [ 260.887374][ C1] ? tipc_node_distr_xmit+0x30d/0x450 [ 260.887391][ C1] ? __release_sock+0x243/0x350 [ 260.887467][ C1] ? release_sock+0x61/0x1f0 [ 260.887482][ C1] ? sk_setsockopt+0xb19/0x3380 [ 260.887497][ C1] ? do_sock_setsockopt+0x2fb/0x720 [ 260.887529][ C1] ? __sys_setsockopt+0x1ae/0x250 [ 260.887546][ C1] ? __pfx_tipc_node_xmit+0x10/0x10 [ 260.887575][ C1] ? mark_lock+0x9a/0x350 [ 260.887594][ C1] tipc_node_distr_xmit+0x30d/0x450 [ 260.887618][ C1] ? __pfx_tipc_node_distr_xmit+0x10/0x10 [ 260.887648][ C1] tipc_sk_rcv+0x15e2/0x1d10 [ 260.887667][ C1] ? __lock_acquire+0x1346/0x1fd0 [ 260.887696][ C1] ? __pfx_tipc_sk_rcv+0x10/0x10 [ 260.887715][ C1] ? __asan_memset+0x23/0x50 [ 260.887730][ C1] ? lockdep_init_map_type+0xa1/0x910 [ 260.887754][ C1] ? __raw_spin_lock_init+0x45/0x100 [ 260.887774][ C1] tipc_node_xmit+0x1e1/0x1010 [ 260.887796][ C1] ? __pfx_tipc_node_xmit+0x10/0x10 [ 260.887816][ C1] ? __pfx_validate_chain+0x10/0x10 [ 260.887835][ C1] ? __lock_acquire+0x1346/0x1fd0 [ 260.887860][ C1] tipc_sk_filter_rcv+0x1934/0x3480 [ 260.887900][ C1] ? __pfx_tipc_sk_filter_rcv+0x10/0x10 [ 260.887917][ C1] ? lockdep_hardirqs_on+0x99/0x150 [ 260.887943][ C1] tipc_sk_rcv+0x8b3/0x1d10 [ 260.887962][ C1] ? __lock_acquire+0x1346/0x1fd0 [ 260.887992][ C1] ? __pfx_tipc_sk_rcv+0x10/0x10 [ 260.888011][ C1] ? __asan_memset+0x23/0x50 [ 260.888025][ C1] ? lockdep_init_map_type+0xa1/0x910 [ 260.888050][ C1] ? __raw_spin_lock_init+0x45/0x100 [ 260.888070][ C1] tipc_node_xmit+0x1e1/0x1010 [ 260.888093][ C1] ? __pfx_tipc_node_xmit+0x10/0x10 [ 260.888126][ C1] tipc_node_distr_xmit+0x30d/0x450 [ 260.888149][ C1] ? __pfx_tipc_node_distr_xmit+0x10/0x10 [ 260.888178][ C1] tipc_sk_backlog_rcv+0x1a2/0x230 [ 260.888196][ C1] ? __pfx_tipc_sk_backlog_rcv+0x10/0x10 [ 260.888231][ C1] ? do_raw_spin_unlock+0x13c/0x8b0 [ 260.888254][ C1] ? __pfx_tipc_sk_backlog_rcv+0x10/0x10 [ 260.888269][ C1] __release_sock+0x243/0x350 [ 260.888293][ C1] release_sock+0x61/0x1f0 [ 260.888314][ C1] sk_setsockopt+0xb19/0x3380 [ 260.888331][ C1] ? __pfx___might_resched+0x10/0x10 [ 260.888359][ C1] ? __pfx_sk_setsockopt+0x10/0x10 [ 260.888377][ C1] ? aa_sk_perm+0x967/0xab0 [ 260.888426][ C1] ? __pfx_aa_sk_perm+0x10/0x10 [ 260.888441][ C1] ? __pfx_lock_acquire+0x10/0x10 [ 260.888455][ C1] ? aa_sock_opt_perm+0x79/0x120 [ 260.888473][ C1] ? bpf_lsm_socket_setsockopt+0x9/0x10 [ 260.888502][ C1] ? security_socket_setsockopt+0x87/0xb0 [ 260.888524][ C1] do_sock_setsockopt+0x2fb/0x720 [ 260.888544][ C1] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 260.888562][ C1] ? __fget_files+0x3f4/0x470 [ 260.888590][ C1] ? __fget_files+0x28/0x470 [ 260.888612][ C1] __sys_setsockopt+0x1ae/0x250 [ 260.888631][ C1] __x64_sys_setsockopt+0xb5/0xd0 [ 260.888649][ C1] do_syscall_64+0xfb/0x240 [ 260.888668][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 260.888688][ C1] RIP: 0033:0x7f897f5093a9 [ 260.888706][ C1] Code: 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 01 48 [ 260.888717][ C1] RSP: 002b:00007f897f4c4228 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 260.888732][ C1] RAX: ffffffffffffffda RBX: 00007f897f4c46c0 RCX: 00007f897f5093a9 [ 260.888743][ C1] RDX: 0000000000000021 RSI: 0000000000000001 RDI: 0000000000000003 [ 260.888752][ C1] RBP: 00007f897f593328 R08: 0000000000000004 R09: 0000000000000000 [ 260.888760][ C1] R10: 0000000020000540 R11: 0000000000000246 R12: 00007f897f593320 [ 260.888770][ C1] R13: 00007f897f59332c R14: 00007ffe87c6e9d0 R15: 00007ffe87c6eab8 [ 260.888788][ C1] [ 260.888794][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 2.377 msecs [ 260.889445][ C0] CPU: 0 PID: 13202 Comm: syz-executor188 Not tainted 6.8.0-syzkaller-05271-gf99c5f563c17 #0 [ 261.571099][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 261.581157][ C0] RIP: 0010:kvm_wait+0x250/0x2c0 [ 261.586107][ C0] Code: 3b 45 0f b6 f6 44 89 ff 44 89 f6 e8 0a 09 55 00 e8 25 38 5c 00 45 38 f7 75 15 66 90 e8 79 08 55 00 0f 00 2d a2 47 68 0a fb f4 50 fe ff ff e8 66 08 55 00 fb e9 45 fe ff ff 89 d9 80 e1 07 38 [ 261.605803][ C0] RSP: 0018:ffffc9000acb77a0 EFLAGS: 000002d3 [ 261.611879][ C0] RAX: ffffffff813fe7f7 RBX: ffff88802394e040 RCX: ffff888023878000 [ 261.619942][ C0] RDX: 0000000000000000 RSI: ffffffff8baac220 RDI: ffffffff8bfec660 [ 261.627915][ C0] RBP: ffffc9000acb7870 R08: ffffffff92cc75cf R09: 1ffffffff2598eb9 [ 261.635890][ C0] R10: dffffc0000000000 R11: fffffbfff2598eba R12: 1ffff92001596ef8 [ 261.643886][ C0] R13: dffffc0000000000 R14: 0000000000000003 R15: 0000000000000003 [ 261.651873][ C0] FS: 00007f897f4a36c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 [ 261.660812][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 261.667573][ C0] CR2: 00007f897f4a3d58 CR3: 00000000520ea000 CR4: 00000000003506f0 [ 261.675550][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 261.683526][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 261.691522][ C0] Call Trace: [ 261.694819][ C0] [ 261.697672][ C0] ? rcu_dump_cpu_stacks+0x291/0x450 [ 261.702992][ C0] ? print_cpu_stall+0x2ee/0x5a0 [ 261.708070][ C0] ? rcu_sched_clock_irq+0x9e5/0x10a0 [ 261.713496][ C0] ? __pfx_rcu_sched_clock_irq+0x10/0x10 [ 261.719248][ C0] ? hrtimer_run_queues+0x16c/0x460 [ 261.724460][ C0] ? acct_account_cputime+0xdd/0x210 [ 261.729888][ C0] ? update_process_times+0x1ce/0x230 [ 261.735270][ C0] ? tick_nohz_handler+0x39e/0x540 [ 261.740487][ C0] ? __pfx_tick_nohz_handler+0x10/0x10 [ 261.745955][ C0] ? __hrtimer_run_queues+0x54b/0xd00 [ 261.751353][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10 [ 261.757083][ C0] ? ktime_get_update_offsets_now+0x411/0x430 [ 261.763183][ C0] ? hrtimer_interrupt+0x396/0x990 [ 261.768325][ C0] ? __sysvec_apic_timer_interrupt+0x107/0x3a0 [ 261.774493][ C0] ? sysvec_apic_timer_interrupt+0xa1/0xc0 [ 261.780316][ C0] [ 261.783595][ C0] [ 261.786531][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 261.792706][ C0] ? kvm_wait+0x247/0x2c0 [ 261.797052][ C0] ? kvm_wait+0x250/0x2c0 [ 261.801389][ C0] ? lockdep_hardirqs_on+0x99/0x150 [ 261.806598][ C0] ? __pfx_kvm_wait+0x10/0x10 [ 261.811293][ C0] __pv_queued_spin_lock_slowpath+0x6ff/0xc60 [ 261.817383][ C0] ? __pfx___pv_queued_spin_lock_slowpath+0x10/0x10 [ 261.823992][ C0] queued_spin_lock_slowpath+0x42/0x50 [ 261.829465][ C0] do_raw_spin_lock+0x272/0x370 [ 261.834334][ C0] ? __pfx___local_bh_disable_ip+0x10/0x10 [ 261.840264][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 261.845645][ C0] ? __pfx_aa_sk_perm+0x10/0x10 [ 261.850497][ C0] ? iovec_from_user+0x61/0x240 [ 261.855387][ C0] ? lock_sock_nested+0x6a/0x100 [ 261.860335][ C0] lock_sock_nested+0x6a/0x100 [ 261.865107][ C0] ? __pfx_tipc_sendstream+0x10/0x10 [ 261.870400][ C0] tipc_sendstream+0x47/0x70 [ 261.875000][ C0] __sock_sendmsg+0x221/0x270 [ 261.879684][ C0] ____sys_sendmsg+0x525/0x7d0 [ 261.884469][ C0] ? __pfx_____sys_sendmsg+0x10/0x10 [ 261.889778][ C0] __sys_sendmsg+0x2b0/0x3a0 [ 261.894382][ C0] ? __pfx___sys_sendmsg+0x10/0x10 [ 261.899546][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 261.905883][ C0] ? do_syscall_64+0x10a/0x240 [ 261.910696][ C0] ? do_syscall_64+0xb6/0x240 [ 261.915390][ C0] do_syscall_64+0xfb/0x240 [ 261.919907][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 261.925812][ C0] RIP: 0033:0x7f897f5093a9 [ 261.930233][ C0] Code: 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 01 48 [ 261.949855][ C0] RSP: 002b:00007f897f4a3228 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 261.958279][ C0] RAX: ffffffffffffffda RBX: 000000000000002a RCX: 00007f897f5093a9 [ 261.966258][ C0] RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000004 [ 261.974318][ C0] RBP: 00007f897f593338 R08: 0000000000000000 R09: 0000000000000000 [ 261.982295][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f897f593330 [ 261.990618][ C0] R13: 00007f897f59333c R14: 00007ffe87c6e9d0 R15: 00007ffe87c6eab8 [ 261.998624][ C0]