Warning: Permanently added '10.128.1.115' (ED25519) to the list of known hosts. [ 317.133948][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 317.140759][ C0] rcu: 0-...!: (10500 ticks this GP) idle=d4c4/1/0x4000000000000000 softirq=8005/8007 fqs=0 [ 317.151417][ C0] rcu: (t=10502 jiffies g=9597 q=142 ncpus=2) [ 317.157580][ C0] rcu: rcu_preempt kthread timer wakeup didn't happen for 10502 jiffies! g9597 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 [ 317.169816][ C0] rcu: Possible timer handling issue on cpu=1 timer-softirq=7848 [ 317.177632][ C0] rcu: rcu_preempt kthread starved for 10505 jiffies! g9597 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1 [ 317.188909][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 317.198872][ C0] rcu: RCU grace-period kthread stack dump: [ 317.204807][ C0] task:rcu_preempt state:I stack:26256 pid:16 tgid:16 ppid:2 flags:0x00004000 [ 317.215038][ C0] Call Trace: [ 317.218344][ C0] [ 317.221277][ C0] __schedule+0x17d3/0x4a20 [ 317.225949][ C0] ? __pfx___schedule+0x10/0x10 [ 317.230837][ C0] ? __pfx_lock_release+0x10/0x10 [ 317.235922][ C0] ? __asan_memset+0x23/0x50 [ 317.240565][ C0] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 317.246378][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 317.252707][ C0] ? schedule+0x90/0x320 [ 317.256949][ C0] schedule+0x14b/0x320 [ 317.261114][ C0] schedule_timeout+0x1be/0x310 [ 317.266007][ C0] ? __pfx_schedule_timeout+0x10/0x10 [ 317.271387][ C0] ? __pfx_process_timeout+0x10/0x10 [ 317.276691][ C0] ? prepare_to_swait_event+0x32e/0x350 [ 317.282252][ C0] rcu_gp_fqs_loop+0x2df/0x1370 [ 317.287135][ C0] ? lockdep_hardirqs_on+0x99/0x150 [ 317.292363][ C0] ? __pfx_rcu_gp_init+0x10/0x10 [ 317.297310][ C0] ? lockdep_hardirqs_on+0x99/0x150 [ 317.302510][ C0] ? __pfx_rcu_gp_fqs_loop+0x10/0x10 [ 317.307809][ C0] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 317.313724][ C0] ? finish_swait+0xd4/0x1e0 [ 317.318321][ C0] rcu_gp_kthread+0xa7/0x3b0 [ 317.322915][ C0] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 317.328128][ C0] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 317.334030][ C0] ? __kthread_parkme+0x169/0x1d0 [ 317.339065][ C0] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 317.344261][ C0] kthread+0x2f0/0x390 [ 317.348338][ C0] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 317.353547][ C0] ? __pfx_kthread+0x10/0x10 [ 317.358134][ C0] ret_from_fork+0x4b/0x80 [ 317.362556][ C0] ? __pfx_kthread+0x10/0x10 [ 317.367143][ C0] ret_from_fork_asm+0x1a/0x30 [ 317.371942][ C0] [ 317.374956][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 317.381312][ C0] Sending NMI from CPU 0 to CPUs 1: [ 317.386544][ C1] NMI backtrace for cpu 1 [ 317.386639][ C1] CPU: 1 PID: 9519 Comm: syz-executor257 Not tainted 6.8.0-syzkaller-05204-g237bb5f7f7f5 #0 [ 317.386657][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 317.386666][ C1] RIP: 0010:kvm_wait+0x250/0x2c0 [ 317.386701][ C1] 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 [ 317.386714][ C1] RSP: 0018:ffffc9000509f7a0 EFLAGS: 000002d3 [ 317.386730][ C1] RAX: ffffffff813fe7f7 RBX: ffff88807f973e80 RCX: ffff88807c4f0000 [ 317.386742][ C1] RDX: 0000000000000000 RSI: ffffffff8baac220 RDI: ffffffff8bfec660 [ 317.386754][ C1] RBP: ffffc9000509f870 R08: ffffffff92cc75cf R09: 1ffffffff2598eb9 [ 317.386766][ C1] R10: dffffc0000000000 R11: fffffbfff2598eba R12: 1ffff92000a13ef8 [ 317.386778][ C1] R13: dffffc0000000000 R14: 0000000000000003 R15: 0000000000000003 [ 317.386789][ C1] FS: 00007f9c19f906c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 317.386803][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 317.386814][ C1] CR2: 0000000020000000 CR3: 00000000498f4000 CR4: 00000000003506f0 [ 317.386827][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 317.386854][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 317.386864][ C1] Call Trace: [ 317.386872][ C1] [ 317.386879][ C1] ? nmi_cpu_backtrace+0x3c2/0x4d0 [ 317.386915][ C1] ? __pfx_lock_acquire+0x10/0x10 [ 317.386935][ C1] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 317.386960][ C1] ? nmi_handle+0x2a/0x580 [ 317.386986][ C1] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 317.387014][ C1] ? nmi_handle+0x14f/0x580 [ 317.387031][ C1] ? nmi_handle+0x2a/0x580 [ 317.387049][ C1] ? kvm_wait+0x250/0x2c0 [ 317.387064][ C1] ? default_do_nmi+0x63/0x160 [ 317.387090][ C1] ? exc_nmi+0x123/0x1f0 [ 317.387115][ C1] ? end_repeat_nmi+0xf/0x53 [ 317.387143][ C1] ? kvm_wait+0x247/0x2c0 [ 317.387160][ C1] ? kvm_wait+0x250/0x2c0 [ 317.387176][ C1] ? kvm_wait+0x250/0x2c0 [ 317.387193][ C1] ? kvm_wait+0x250/0x2c0 [ 317.387210][ C1] [ 317.387214][ C1] [ 317.387221][ C1] ? __pfx_kvm_wait+0x10/0x10 [ 317.387239][ C1] ? __lock_acquire+0x1346/0x1fd0 [ 317.387257][ C1] ? pv_hash+0x7e/0x150 [ 317.387281][ C1] __pv_queued_spin_lock_slowpath+0x6ff/0xc60 [ 317.387316][ C1] ? __pfx___pv_queued_spin_lock_slowpath+0x10/0x10 [ 317.387347][ C1] queued_spin_lock_slowpath+0x42/0x50 [ 317.387373][ C1] do_raw_spin_lock+0x272/0x370 [ 317.387397][ C1] ? __pfx___local_bh_disable_ip+0x10/0x10 [ 317.387422][ C1] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 317.387446][ C1] ? __pfx_aa_sk_perm+0x10/0x10 [ 317.387516][ C1] ? iovec_from_user+0x61/0x240 [ 317.387556][ C1] ? lock_sock_nested+0x6a/0x100 [ 317.387610][ C1] lock_sock_nested+0x6a/0x100 [ 317.387628][ C1] ? __pfx_tipc_sendstream+0x10/0x10 [ 317.387667][ C1] tipc_sendstream+0x47/0x70 [ 317.387688][ C1] __sock_sendmsg+0x221/0x270 [ 317.387707][ C1] ____sys_sendmsg+0x525/0x7d0 [ 317.387734][ C1] ? __pfx_____sys_sendmsg+0x10/0x10 [ 317.387765][ C1] __sys_sendmsg+0x2b0/0x3a0 [ 317.387789][ C1] ? __pfx___sys_sendmsg+0x10/0x10 [ 317.387826][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 317.387856][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 317.387874][ C1] ? do_syscall_64+0x10a/0x240 [ 317.387908][ C1] ? do_syscall_64+0xb6/0x240 [ 317.387930][ C1] do_syscall_64+0xfb/0x240 [ 317.387953][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 317.387984][ C1] RIP: 0033:0x7f9c19fd53a9 [ 317.388025][ 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 [ 317.388038][ C1] RSP: 002b:00007f9c19f90228 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 317.388055][ C1] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f9c19fd53a9 [ 317.388066][ C1] RDX: 0000000000000000 RSI: 0000000020000b40 RDI: 0000000000000004 [ 317.388075][ C1] RBP: 00007f9c1a05f328 R08: 0000000000000000 R09: 0000000000000000 [ 317.388085][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9c1a05f320 [ 317.388094][ C1] R13: 00007f9c1a05f32c R14: 00007ffe736da720 R15: 00007ffe736da808 [ 317.388114][ C1] [ 317.388122][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.582 msecs [ 317.388546][ C0] CPU: 0 PID: 9520 Comm: syz-executor257 Not tainted 6.8.0-syzkaller-05204-g237bb5f7f7f5 #0 [ 317.832310][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 317.842358][ C0] RIP: 0010:rcu_is_watching+0x44/0xb0 [ 317.847748][ C0] Code: 73 7a 49 bf 00 00 00 00 00 fc ff df 4c 8d 34 dd d0 f9 af 8d 4c 89 f0 48 c1 e8 03 42 80 3c 38 00 74 08 4c 89 f7 e8 2c d3 7c 00 <48> c7 c3 08 7d 03 00 49 03 1e 48 89 d8 48 c1 e8 03 42 0f b6 04 38 [ 317.867433][ C0] RSP: 0018:ffffc900050fe1a0 EFLAGS: 00000246 [ 317.873503][ C0] RAX: 1ffffffff1b5ff3a RBX: 0000000000000000 RCX: ffffffff8171c080 [ 317.881479][ C0] RDX: 0000000000000000 RSI: ffffffff8bfec640 RDI: ffffffff8bfec600 [ 317.889445][ C0] RBP: ffffc900050fe300 R08: ffffffff8f86ae6f R09: 1ffffffff1f0d5cd [ 317.897409][ C0] R10: dffffc0000000000 R11: fffffbfff1f0d5ce R12: 1ffff92000a1fc44 [ 317.905376][ C0] R13: ffffffff8b0c50ef R14: ffffffff8daff9d0 R15: dffffc0000000000 [ 317.913350][ C0] FS: 00007f9c19f6f6c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 [ 317.922272][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 317.928881][ C0] CR2: 00007f9c19f6fd58 CR3: 00000000498f4000 CR4: 00000000003506f0 [ 317.936879][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 317.944861][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 317.952831][ C0] Call Trace: [ 317.956114][ C0] [ 317.958955][ C0] ? rcu_dump_cpu_stacks+0x291/0x450 [ 317.964256][ C0] ? print_cpu_stall+0x2ee/0x5a0 [ 317.969203][ C0] ? rcu_sched_clock_irq+0x9e5/0x10a0 [ 317.974578][ C0] ? __pfx_rcu_sched_clock_irq+0x10/0x10 [ 317.980216][ C0] ? hrtimer_run_queues+0x16c/0x460 [ 317.985424][ C0] ? acct_account_cputime+0xdd/0x210 [ 317.990758][ C0] ? update_process_times+0x1ce/0x230 [ 317.996129][ C0] ? tick_nohz_handler+0x39e/0x540 [ 318.001247][ C0] ? __pfx_tick_nohz_handler+0x10/0x10 [ 318.006707][ C0] ? __hrtimer_run_queues+0x54b/0xd00 [ 318.012089][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10 [ 318.017809][ C0] ? ktime_get_update_offsets_now+0x411/0x430 [ 318.023904][ C0] ? hrtimer_interrupt+0x396/0x990 [ 318.029088][ C0] ? __sysvec_apic_timer_interrupt+0x107/0x3a0 [ 318.035257][ C0] ? sysvec_apic_timer_interrupt+0xa1/0xc0 [ 318.041082][ C0] [ 318.044030][ C0] [ 318.046961][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 318.053124][ C0] ? net_generic+0x1f/0x240 [ 318.057630][ C0] ? lock_release+0xb0/0x9d0 [ 318.062218][ C0] ? rcu_is_watching+0x44/0xb0 [ 318.066981][ C0] lock_release+0xbf/0x9d0 [ 318.071400][ C0] ? __pfx_lock_acquire+0x10/0x10 [ 318.076424][ C0] ? __pfx_lock_release+0x10/0x10 [ 318.081452][ C0] ? mark_lock+0x9a/0x350 [ 318.085791][ C0] ? net_generic+0x1f/0x240 [ 318.090296][ C0] net_generic+0x1f0/0x240 [ 318.094718][ C0] tipc_sk_lookup+0xbe/0x940 [ 318.099310][ C0] ? __local_bh_enable_ip+0x168/0x200 [ 318.104680][ C0] ? lockdep_hardirqs_on+0x99/0x150 [ 318.109883][ C0] ? __local_bh_enable_ip+0x168/0x200 [ 318.115266][ C0] ? tipc_sk_rcv+0x427/0x1d10 [ 318.119942][ C0] ? __pfx_tipc_sk_lookup+0x10/0x10 [ 318.125155][ C0] ? tipc_sk_rcv+0x25a/0x1d10 [ 318.129832][ C0] tipc_sk_rcv+0x434/0x1d10 [ 318.134329][ C0] ? __lock_acquire+0x1346/0x1fd0 [ 318.139379][ C0] ? __pfx_tipc_sk_rcv+0x10/0x10 [ 318.144313][ C0] ? __asan_memset+0x23/0x50 [ 318.148908][ C0] ? lockdep_init_map_type+0xa1/0x910 [ 318.154296][ C0] ? __raw_spin_lock_init+0x45/0x100 [ 318.159582][ C0] tipc_node_xmit+0x1e1/0x1010 [ 318.164350][ C0] ? tipc_sk_rcv+0x1764/0x1d10 [ 318.169109][ C0] ? tipc_node_xmit+0x1e1/0x1010 [ 318.174045][ C0] ? tipc_sk_push_backlog+0x513/0x930 [ 318.179426][ C0] ? tipc_sk_filter_rcv+0x3203/0x3480 [ 318.184811][ C0] ? tipc_sk_rcv+0x8b3/0x1d10 [ 318.189497][ C0] ? tipc_node_distr_xmit+0x30d/0x450 [ 318.194867][ C0] ? tipc_sk_backlog_rcv+0x1a2/0x230 [ 318.200170][ C0] ? __release_sock+0x243/0x350 [ 318.205039][ C0] ? release_sock+0x61/0x1f0 [ 318.209644][ C0] ? sk_setsockopt+0xb19/0x3380 [ 318.214521][ C0] ? __pfx_tipc_node_xmit+0x10/0x10 [ 318.219721][ C0] ? do_syscall_64+0xfb/0x240 [ 318.224395][ C0] ? entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 318.230482][ C0] ? mark_lock+0x9a/0x350 [ 318.234819][ C0] tipc_node_distr_xmit+0x30d/0x450 [ 318.240028][ C0] ? __pfx_tipc_node_distr_xmit+0x10/0x10 [ 318.245788][ C0] tipc_sk_rcv+0x15e2/0x1d10 [ 318.250382][ C0] ? __lock_acquire+0x1346/0x1fd0 [ 318.255425][ C0] ? __pfx_tipc_sk_rcv+0x10/0x10 [ 318.260355][ C0] ? __asan_memset+0x23/0x50 [ 318.264943][ C0] ? lockdep_init_map_type+0xa1/0x910 [ 318.270329][ C0] ? __raw_spin_lock_init+0x45/0x100 [ 318.275617][ C0] tipc_node_xmit+0x1e1/0x1010 [ 318.280484][ C0] ? __pfx_tipc_node_xmit+0x10/0x10 [ 318.285699][ C0] ? __pfx_lock_acquire+0x10/0x10 [ 318.290732][ C0] ? validate_chain+0x11b/0x58e0 [ 318.295675][ C0] ? __pfx_validate_chain+0x10/0x10 [ 318.300882][ C0] tipc_sk_push_backlog+0x513/0x930 [ 318.306089][ C0] tipc_sk_proto_rcv+0x9ec/0x1980 [ 318.311134][ C0] ? __pfx_tipc_sk_proto_rcv+0x10/0x10 [ 318.316592][ C0] ? __pfx_lock_release+0x10/0x10 [ 318.321618][ C0] tipc_sk_filter_rcv+0x3203/0x3480 [ 318.326821][ C0] ? mark_lock+0x9a/0x350 [ 318.331149][ C0] ? __lock_acquire+0x1346/0x1fd0 [ 318.336184][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 318.342161][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 318.348501][ C0] ? __pfx_tipc_sk_filter_rcv+0x10/0x10 [ 318.354063][ C0] ? lockdep_hardirqs_on+0x99/0x150 [ 318.359275][ C0] tipc_sk_rcv+0x8b3/0x1d10 [ 318.363768][ C0] ? __lock_acquire+0x1346/0x1fd0 [ 318.368827][ C0] ? __pfx_tipc_sk_rcv+0x10/0x10 [ 318.373756][ C0] ? __asan_memset+0x23/0x50 [ 318.378356][ C0] ? lockdep_init_map_type+0xa1/0x910 [ 318.383758][ C0] ? __raw_spin_lock_init+0x45/0x100 [ 318.389048][ C0] tipc_node_xmit+0x1e1/0x1010 [ 318.393824][ C0] ? __pfx_tipc_node_xmit+0x10/0x10 [ 318.399049][ C0] tipc_node_distr_xmit+0x30d/0x450 [ 318.404257][ C0] ? __pfx_tipc_node_distr_xmit+0x10/0x10 [ 318.409997][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 318.416022][ C0] tipc_sk_backlog_rcv+0x1a2/0x230 [ 318.421137][ C0] ? __pfx_tipc_sk_backlog_rcv+0x10/0x10 [ 318.426774][ C0] ? do_raw_spin_unlock+0x13c/0x8b0 [ 318.431994][ C0] ? __pfx_tipc_sk_backlog_rcv+0x10/0x10 [ 318.437650][ C0] __release_sock+0x243/0x350 [ 318.442368][ C0] release_sock+0x61/0x1f0 [ 318.446809][ C0] sk_setsockopt+0xb19/0x3380 [ 318.451490][ C0] ? __pfx___might_resched+0x10/0x10 [ 318.456799][ C0] ? __pfx_sk_setsockopt+0x10/0x10 [ 318.461915][ C0] ? aa_sk_perm+0x967/0xab0 [ 318.466423][ C0] ? __pfx_aa_sk_perm+0x10/0x10 [ 318.471285][ C0] ? __pfx_lock_acquire+0x10/0x10 [ 318.476318][ C0] ? aa_sock_opt_perm+0x79/0x120 [ 318.481253][ C0] ? bpf_lsm_socket_setsockopt+0x9/0x10 [ 318.486817][ C0] ? security_socket_setsockopt+0x87/0xb0 [ 318.492582][ C0] do_sock_setsockopt+0x2fb/0x720 [ 318.497628][ C0] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 318.503173][ C0] ? __fget_files+0x3f4/0x470 [ 318.507858][ C0] ? __fget_files+0x28/0x470 [ 318.512453][ C0] __sys_setsockopt+0x1ae/0x250 [ 318.517308][ C0] __x64_sys_setsockopt+0xb5/0xd0 [ 318.522332][ C0] do_syscall_64+0xfb/0x240 [ 318.526842][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 318.532737][ C0] RIP: 0033:0x7f9c19fd53a9 [ 318.537150][ 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 [ 318.556764][ C0] RSP: 002b:00007f9c19f6f228 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 318.565180][ C0] RAX: ffffffffffffffda RBX: 00007f9c19f6f6c0 RCX: 00007f9c19fd53a9 [ 318.573161][ C0] RDX: 0000000000000021 RSI: 0000000000000001 RDI: 0000000000000003 [ 318.581128][ C0] RBP: 00007f9c1a05f338 R08: 0000000000000004 R09: 0000000000000000 [ 318.589104][ C0] R10: 00000000200000c0 R11: 0000000000000246 R12: 00007f9c1a05f330 [ 318.597073][ C0] R13: 00007f9c1a05f33c R14: 00007ffe736da720 R15: 00007ffe736da808 [ 318.605057][ C0]