Warning: Permanently added '10.128.1.204' (ED25519) to the list of known hosts. 2025/09/22 05:58:11 parsed 1 programs [ 62.105223][ T4496] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 63.202254][ T2436] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 63.210098][ T2436] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 63.226997][ T38] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 63.234886][ T38] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 64.144373][ T4540] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.151431][ T4540] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.158559][ T4540] bridge_slave_0: entered allmulticast mode [ 64.164823][ T4540] bridge_slave_0: entered promiscuous mode [ 64.179699][ T4540] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.186796][ T4540] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.193910][ T4540] bridge_slave_1: entered allmulticast mode [ 64.200178][ T4540] bridge_slave_1: entered promiscuous mode [ 64.265893][ T4540] team0: Port device team_slave_0 added [ 64.272079][ T4540] team0: Port device team_slave_1 added [ 64.328612][ T4540] hsr_slave_0: entered promiscuous mode [ 64.334458][ T4540] hsr_slave_1: entered promiscuous mode [ 64.543302][ T4540] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 64.550773][ T4540] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 64.558379][ T4540] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 64.568291][ T4540] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 64.896639][ T4540] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.905161][ T2704] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.912241][ T2704] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.925098][ T4540] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 64.935532][ T4540] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 64.948309][ T2704] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.955395][ T2704] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.361942][ T4540] veth0_vlan: entered promiscuous mode [ 65.368715][ T4540] veth1_vlan: entered promiscuous mode [ 65.508015][ T4540] veth0_macvtap: entered promiscuous mode [ 65.514757][ T4540] veth1_macvtap: entered promiscuous mode 2025/09/22 05:58:15 executed programs: 0 [ 66.208741][ T4860] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.215924][ T4860] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.223052][ T4860] bridge_slave_0: entered allmulticast mode [ 66.229350][ T4860] bridge_slave_0: entered promiscuous mode [ 66.252102][ T4860] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.259158][ T4860] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.266413][ T4860] bridge_slave_1: entered allmulticast mode [ 66.272752][ T4860] bridge_slave_1: entered promiscuous mode [ 66.295754][ T2704] bridge_slave_1: left allmulticast mode [ 66.301407][ T2704] bridge_slave_1: left promiscuous mode [ 66.307022][ T2704] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.314598][ T2704] bridge_slave_0: left allmulticast mode [ 66.320225][ T2704] bridge_slave_0: left promiscuous mode [ 66.325876][ T2704] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.431056][ T4861] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.438151][ T4861] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.445280][ T4861] bridge_slave_0: entered allmulticast mode [ 66.451508][ T4861] bridge_slave_0: entered promiscuous mode [ 66.461031][ T4869] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.468334][ T4869] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.475470][ T4869] bridge_slave_0: entered allmulticast mode [ 66.481755][ T4869] bridge_slave_0: entered promiscuous mode [ 66.490412][ T4861] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.497544][ T4861] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.504699][ T4861] bridge_slave_1: entered allmulticast mode [ 66.511093][ T4861] bridge_slave_1: entered promiscuous mode [ 66.518660][ T2704] hsr_slave_0: left promiscuous mode [ 66.524811][ T2704] hsr_slave_1: left promiscuous mode [ 66.532943][ T2704] veth1_macvtap: left promiscuous mode [ 66.538412][ T2704] veth0_macvtap: left promiscuous mode [ 66.544022][ T2704] veth1_vlan: left promiscuous mode [ 66.549225][ T2704] veth0_vlan: left promiscuous mode [ 66.625857][ T2704] team0 (unregistering): Port device team_slave_1 removed [ 66.637898][ T2704] team0 (unregistering): Port device team_slave_0 removed [ 66.683324][ T4869] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.690368][ T4869] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.697542][ T4869] bridge_slave_1: entered allmulticast mode [ 66.703696][ T4869] bridge_slave_1: entered promiscuous mode [ 66.727250][ T4868] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.734437][ T4868] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.741511][ T4868] bridge_slave_0: entered allmulticast mode [ 66.747789][ T4868] bridge_slave_0: entered promiscuous mode [ 66.756028][ T4868] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.763097][ T4868] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.770190][ T4868] bridge_slave_1: entered allmulticast mode [ 66.776428][ T4868] bridge_slave_1: entered promiscuous mode [ 66.795256][ T4860] team0: Port device team_slave_0 added [ 66.824723][ T4860] team0: Port device team_slave_1 added [ 66.832408][ T4867] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.839452][ T4867] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.846599][ T4867] bridge_slave_0: entered allmulticast mode [ 66.852926][ T4867] bridge_slave_0: entered promiscuous mode [ 66.882128][ T4867] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.889182][ T4867] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.896348][ T4867] bridge_slave_1: entered allmulticast mode [ 66.902732][ T4867] bridge_slave_1: entered promiscuous mode [ 66.914662][ T4861] team0: Port device team_slave_0 added [ 66.920703][ T4861] team0: Port device team_slave_1 added [ 66.940176][ T4869] team0: Port device team_slave_0 added [ 66.962558][ T4868] team0: Port device team_slave_0 added [ 66.968503][ T4869] team0: Port device team_slave_1 added [ 66.982177][ T4868] team0: Port device team_slave_1 added [ 67.024298][ T4860] hsr_slave_0: entered promiscuous mode [ 67.030066][ T4860] hsr_slave_1: entered promiscuous mode [ 67.080800][ T4861] hsr_slave_0: entered promiscuous mode [ 67.086770][ T4861] hsr_slave_1: entered promiscuous mode [ 67.092614][ T4861] debugfs: 'hsr0' already exists in 'hsr' [ 67.098338][ T4861] Cannot create hsr debugfs directory [ 67.108950][ T4867] team0: Port device team_slave_0 added [ 67.132751][ T4867] team0: Port device team_slave_1 added [ 67.177666][ T4869] hsr_slave_0: entered promiscuous mode [ 67.183446][ T4869] hsr_slave_1: entered promiscuous mode [ 67.189146][ T4869] debugfs: 'hsr0' already exists in 'hsr' [ 67.194887][ T4869] Cannot create hsr debugfs directory [ 67.235480][ T4868] hsr_slave_0: entered promiscuous mode [ 67.241237][ T4868] hsr_slave_1: entered promiscuous mode [ 67.246926][ T4868] debugfs: 'hsr0' already exists in 'hsr' [ 67.252642][ T4868] Cannot create hsr debugfs directory [ 67.330279][ T4867] hsr_slave_0: entered promiscuous mode [ 67.336188][ T4867] hsr_slave_1: entered promiscuous mode [ 67.341983][ T4867] debugfs: 'hsr0' already exists in 'hsr' [ 67.347781][ T4867] Cannot create hsr debugfs directory [ 67.571402][ T4861] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 67.587878][ T4861] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 67.596634][ T4868] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 67.604262][ T4861] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 67.611969][ T4868] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 67.619497][ T4868] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 67.626918][ T4861] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 67.635192][ T4868] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 67.757747][ T4867] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 67.781039][ T4867] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 67.789090][ T4867] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 67.804046][ T4867] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 67.845806][ T4860] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 67.854093][ T4860] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 67.862356][ T4860] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 67.869700][ T4869] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 67.882571][ T4869] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 67.911629][ T4860] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 67.922505][ T4869] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 67.941191][ T4869] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 68.458269][ T4868] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.483052][ T3036] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.490117][ T3036] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.516228][ T4868] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 68.526607][ T4868] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 68.552839][ T3036] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.559907][ T3036] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.604218][ T4861] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.613132][ T3036] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.620172][ T3036] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.636903][ T4861] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 68.647290][ T4861] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 68.682060][ T3036] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.689108][ T3036] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.838397][ T4867] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.872391][ T38] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.879459][ T38] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.887317][ T38] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.894527][ T38] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.904749][ T4867] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 68.915183][ T4867] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 69.024047][ T4869] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.032821][ T3036] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.039889][ T3036] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.062861][ T2518] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.069906][ T2518] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.082839][ T4860] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.105920][ T4869] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 69.116333][ T4869] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 69.132398][ T3036] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.139467][ T3036] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.174703][ T3036] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.181774][ T3036] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.213704][ T4860] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 69.224099][ T4860] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 70.026596][ T4868] veth0_vlan: entered promiscuous mode [ 70.043268][ T4868] veth1_vlan: entered promiscuous mode [ 70.173735][ T4867] veth0_vlan: entered promiscuous mode [ 70.187231][ T4861] veth0_vlan: entered promiscuous mode [ 70.201010][ T4867] veth1_vlan: entered promiscuous mode [ 70.218599][ T4861] veth1_vlan: entered promiscuous mode [ 70.457234][ T4868] veth0_macvtap: entered promiscuous mode [ 70.498023][ T4868] veth1_macvtap: entered promiscuous mode [ 70.507680][ T4860] veth0_vlan: entered promiscuous mode [ 70.533183][ T4860] veth1_vlan: entered promiscuous mode [ 70.599165][ T4867] veth0_macvtap: entered promiscuous mode [ 70.617457][ T4867] veth1_macvtap: entered promiscuous mode [ 70.684980][ T4861] veth0_macvtap: entered promiscuous mode [ 70.712420][ T4861] veth1_macvtap: entered promiscuous mode [ 70.736777][ T4869] veth0_vlan: entered promiscuous mode [ 70.772825][ T4869] veth1_vlan: entered promiscuous mode [ 71.031534][ T4860] veth0_macvtap: entered promiscuous mode [ 71.046323][ T4860] veth1_macvtap: entered promiscuous mode [ 71.068058][ T2436] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 71.075988][ T2436] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 71.120746][ T3036] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 71.128620][ T3036] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 2025/09/22 05:58:21 executed programs: 10 [ 71.174817][ T37] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 71.182689][ T37] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 71.204702][ T57] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 71.212622][ T57] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 71.235709][ T4869] veth0_macvtap: entered promiscuous mode [ 71.248454][ T37] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 71.256355][ T37] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 71.302639][ T4869] veth1_macvtap: entered promiscuous mode [ 71.312081][ T2899] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 71.319961][ T2899] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 171.331465][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 171.338411][ C1] rcu: 0-...!: (2 ticks this GP) idle=3c7c/1/0x4000000000000000 softirq=14385/14385 fqs=0 [ 171.348368][ C1] rcu: (detected by 1, t=10002 jiffies, g=7309, q=232 ncpus=2) [ 171.355975][ C1] Sending NMI from CPU 1 to CPUs 0: [ 171.355994][ C0] NMI backtrace for cpu 0 [ 171.356015][ C0] CPU: 0 UID: 0 PID: 5684 Comm: syz.2.19 Not tainted syzkaller #0 PREEMPT(none) [ 171.356028][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 171.356033][ C0] RIP: 0010:__hrtimer_run_queues+0x100/0x510 [ 171.356048][ C0] Code: e8 a5 c1 08 00 48 8b 7c 24 28 be ff ff ff ff e8 36 7d 77 02 eb 05 e8 8f c1 08 00 4c 89 ff 48 c7 c6 50 c3 e2 83 e8 e0 c3 bc 00 <0f> 1f 44 00 00 e8 76 c1 08 00 65 8b 05 b3 a1 1c 05 89 c0 31 f6 48 [ 171.356057][ C0] RSP: 0018:ffffc90000003f00 EFLAGS: 00000086 [ 171.356068][ C0] RAX: 1ac1ddd3754f1700 RBX: 0000000000000001 RCX: 0000000000010000 [ 171.356079][ C0] RDX: 0000000000000003 RSI: ffffffff8497d476 RDI: 00000000ffffffff [ 171.356086][ C0] RBP: ffff888237c1b880 R08: 0000000000080000 R09: 0000000000000000 [ 171.356093][ C0] R10: 0000000000000000 R11: ffffffff83413dd0 R12: ffff888237c1b780 [ 171.356099][ C0] R13: 18678545ebc075cc R14: 0000000000000086 R15: ffff88812ed63b40 [ 171.356106][ C0] FS: 00007f8e6d3b76c0(0000) GS:ffff8882b14d3000(0000) knlGS:0000000000000000 [ 171.356115][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 171.356121][ C0] CR2: 0000555578aa24a8 CR3: 000000012a602000 CR4: 00000000003526f0 [ 171.356131][ C0] Call Trace: [ 171.356136][ C0] [ 171.356142][ C0] hrtimer_interrupt+0x13e/0x2c0 [ 171.356155][ C0] __sysvec_apic_timer_interrupt+0x84/0x200 [ 171.356167][ C0] sysvec_apic_timer_interrupt+0xa1/0xc0 [ 171.356183][ C0] [ 171.356186][ C0] [ 171.356190][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 171.356201][ C0] RIP: 0010:lockdep_unregister_key+0x34f/0x390 [ 171.356217][ C0] Code: 7b 03 00 74 62 89 c6 48 c7 c7 e0 0f 59 8a e8 d8 33 80 02 90 e9 f7 fd ff ff e8 2d 17 7f 02 41 f7 c6 00 02 00 00 74 95 fb 84 db <75> 94 eb a5 90 e8 d7 d4 be 00 90 e9 61 ff ff ff 90 e8 cb d4 be 00 [ 171.356225][ C0] RSP: 0018:ffffc90001b9f768 EFLAGS: 00000246 [ 171.356232][ C0] RAX: 0000000000000000 RBX: ffff88811618b600 RCX: 1ac1ddd3754f1700 [ 171.356239][ C0] RDX: ffffffff86b90b88 RSI: ffffffff847e4814 RDI: ffffffff84888e36 [ 171.356245][ C0] RBP: ffff88811618b699 R08: 0000000000000000 R09: 0000000000000007 [ 171.356251][ C0] R10: 0000000000000000 R11: ffffffff83411d60 R12: 0000000000001000 [ 171.356257][ C0] R13: ffff8881297cb780 R14: 0000000000000246 R15: 0000000000000000 [ 171.356264][ C0] ? __pfx_taprio_attach+0x10/0x10 [ 171.356279][ C0] __qdisc_destroy+0x6b/0x1e0 [ 171.356290][ C0] taprio_attach+0x116/0x1a0 [ 171.356301][ C0] ? __pfx_taprio_attach+0x10/0x10 [ 171.356312][ C0] qdisc_graft+0x946/0xa90 [ 171.356325][ C0] ? qdisc_graft+0x161/0xa90 [ 171.356338][ C0] ? qdisc_create+0x66b/0x7c0 [ 171.356351][ C0] tc_modify_qdisc+0xc3a/0xfe0 [ 171.356368][ C0] ? __pfx_tc_modify_qdisc+0x10/0x10 [ 171.356385][ C0] rtnetlink_rcv_msg+0x583/0x610 [ 171.356401][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 171.356415][ C0] netlink_rcv_skb+0x16d/0x240 [ 171.356436][ C0] netlink_unicast+0x3ca/0x490 [ 171.356449][ C0] netlink_sendmsg+0x494/0x590 [ 171.356466][ C0] __sock_sendmsg+0xc6/0xf0 [ 171.356481][ C0] ____sys_sendmsg+0x257/0x360 [ 171.356494][ C0] ___sys_sendmsg+0x2de/0x320 [ 171.356515][ C0] __x64_sys_sendmsg+0x110/0x1a0 [ 171.356529][ C0] do_syscall_64+0x8f/0x250 [ 171.356544][ C0] ? fpregs_assert_state_consistent+0x3a/0x60 [ 171.356559][ C0] ? clear_bhb_loop+0x60/0xb0 [ 171.356571][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 171.356581][ C0] RIP: 0033:0x7f8e6d54ebe9 [ 171.356590][ C0] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 [ 171.356598][ C0] RSP: 002b:00007f8e6d3b7038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 171.356607][ C0] RAX: ffffffffffffffda RBX: 00007f8e6d775fa0 RCX: 00007f8e6d54ebe9 [ 171.356613][ C0] RDX: 0000000000048004 RSI: 00002000000007c0 RDI: 0000000000000004 [ 171.356619][ C0] RBP: 00007f8e6d5d1e19 R08: 0000000000000000 R09: 0000000000000000 [ 171.356625][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 171.356631][ C0] R13: 00007f8e6d776038 R14: 00007f8e6d775fa0 R15: 00007ffc985eae68 [ 171.356640][ C0] [ 171.356993][ C1] rcu: rcu_preempt kthread timer wakeup didn't happen for 10001 jiffies! g7309 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 [ 171.780452][ C1] rcu: Possible timer handling issue on cpu=0 timer-softirq=4037 [ 171.788231][ C1] rcu: rcu_preempt kthread starved for 10002 jiffies! g7309 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 [ 171.799484][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 171.809427][ C1] rcu: RCU grace-period kthread stack dump: [ 171.815291][ C1] task:rcu_preempt state:I stack:14240 pid:16 tgid:16 ppid:2 task_flags:0x208040 flags:0x00004000 [ 171.827175][ C1] Call Trace: [ 171.830441][ C1] [ 171.833357][ C1] __schedule+0x756/0xc50 [ 171.837677][ C1] ? schedule+0x21/0x140 [ 171.841909][ C1] schedule+0xac/0x140 [ 171.845961][ C1] schedule_timeout+0x106/0x190 [ 171.850792][ C1] ? __pfx_process_timeout+0x10/0x10 [ 171.856063][ C1] rcu_gp_fqs_loop+0x19e/0x670 [ 171.860807][ C1] ? do_raw_spin_unlock+0x5a/0x110 [ 171.865908][ C1] rcu_gp_kthread+0x1c/0x150 [ 171.870485][ C1] kthread+0x2bd/0x300 [ 171.874537][ C1] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 171.879715][ C1] ? __pfx_kthread+0x10/0x10 [ 171.884283][ C1] ret_from_fork+0x172/0x290 [ 171.888852][ C1] ? __pfx_kthread+0x10/0x10 [ 171.893514][ C1] ret_from_fork_asm+0x1a/0x30 [ 171.898263][ C1]