Warning: Permanently added '10.128.1.164' (ED25519) to the list of known hosts. 2026/03/02 19:12:51 ignoring optional flag "type"="gce" 2026/03/02 19:12:51 parsed 1 programs [ 91.750323][ T4612] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 92.335580][ T4635] chnl_net:caif_netlink_parms(): no params data found [ 92.380381][ T4635] bridge0: port 1(bridge_slave_0) entered blocking state [ 92.389991][ T4635] bridge0: port 1(bridge_slave_0) entered disabled state [ 92.399563][ T4635] device bridge_slave_0 entered promiscuous mode [ 92.408572][ T4635] bridge0: port 2(bridge_slave_1) entered blocking state [ 92.417313][ T4635] bridge0: port 2(bridge_slave_1) entered disabled state [ 92.429397][ T4635] device bridge_slave_1 entered promiscuous mode [ 92.460678][ T4635] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 92.474582][ T4635] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 92.507101][ T4635] team0: Port device team_slave_0 added [ 92.515742][ T4635] team0: Port device team_slave_1 added [ 92.540291][ T4635] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 92.548063][ T4635] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 92.575583][ T4635] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 92.588798][ T4635] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 92.596486][ T4635] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 92.624177][ T4635] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 92.662705][ T4635] device hsr_slave_0 entered promiscuous mode [ 92.670189][ T4635] device hsr_slave_1 entered promiscuous mode [ 93.267932][ T4635] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 93.280445][ T4635] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 93.293740][ T4635] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 93.304582][ T4635] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 93.446271][ T4635] 8021q: adding VLAN 0 to HW filter on device bond0 [ 93.477935][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 93.491546][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 93.502646][ T4635] 8021q: adding VLAN 0 to HW filter on device team0 [ 93.520481][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 93.534138][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 93.545704][ T154] bridge0: port 1(bridge_slave_0) entered blocking state [ 93.553363][ T154] bridge0: port 1(bridge_slave_0) entered forwarding state [ 93.576702][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 93.586740][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 93.598476][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 93.607962][ T154] bridge0: port 2(bridge_slave_1) entered blocking state [ 93.615418][ T154] bridge0: port 2(bridge_slave_1) entered forwarding state [ 93.624600][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 93.640883][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 93.658262][ T838] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 93.671969][ T838] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 93.682588][ T838] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 93.701452][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 93.715197][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 93.733035][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 93.748477][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 93.774750][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 93.785354][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 93.797644][ T4635] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 93.961831][ T838] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 93.971377][ T838] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 93.983083][ T4635] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 94.017012][ T838] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 94.027162][ T838] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 94.059359][ T4635] device veth0_vlan entered promiscuous mode [ 94.067215][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 94.076672][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 94.087138][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 94.096959][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 94.120050][ T4635] device veth1_vlan entered promiscuous mode [ 94.146612][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 94.156851][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 94.167969][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 94.177580][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 94.190320][ T4635] device veth0_macvtap entered promiscuous mode [ 94.207620][ T4635] device veth1_macvtap entered promiscuous mode [ 94.227384][ T4635] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 94.238635][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 94.247664][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 94.256946][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 94.267001][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 94.279587][ T4635] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 94.291472][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 94.302878][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 94.314943][ T4635] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 94.324993][ T4635] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 94.334357][ T4635] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 94.345866][ T4635] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 94.614729][ T154] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 94.631466][ T154] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 94.655078][ T838] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 94.683300][ T838] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 94.695285][ T838] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 94.705348][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2026/03/02 19:12:58 executed programs: 0 [ 96.356148][ T4775] chnl_net:caif_netlink_parms(): no params data found [ 96.452559][ T4775] bridge0: port 1(bridge_slave_0) entered blocking state [ 96.459958][ T4775] bridge0: port 1(bridge_slave_0) entered disabled state [ 96.471364][ T4775] device bridge_slave_0 entered promiscuous mode [ 96.485063][ T4775] bridge0: port 2(bridge_slave_1) entered blocking state [ 96.495018][ T4775] bridge0: port 2(bridge_slave_1) entered disabled state [ 96.504444][ T4775] device bridge_slave_1 entered promiscuous mode [ 96.553813][ T4775] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 96.569715][ T1209] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 96.587076][ T4775] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 96.618014][ T4775] team0: Port device team_slave_0 added [ 96.626756][ T4775] team0: Port device team_slave_1 added [ 96.652044][ T4775] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 96.659122][ T4775] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 96.686498][ T4775] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 96.700215][ T4775] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 96.708443][ T4775] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 96.736578][ T4775] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 96.775564][ T4775] device hsr_slave_0 entered promiscuous mode [ 96.782814][ T4775] device hsr_slave_1 entered promiscuous mode [ 96.790188][ T4775] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 96.798499][ T4775] Cannot create hsr debugfs directory [ 98.111642][ T4269] Bluetooth: hci0: command 0x0409 tx timeout [ 98.798874][ T1209] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 98.846625][ T1209] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 98.902546][ T1209] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 99.734338][ T4775] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 99.747870][ T4775] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 99.785436][ T4775] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 99.796841][ T4775] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 99.918424][ T4775] 8021q: adding VLAN 0 to HW filter on device bond0 [ 99.937852][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 99.950176][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 99.966199][ T4775] 8021q: adding VLAN 0 to HW filter on device team0 [ 100.008638][ T838] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 100.019868][ T838] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 100.029988][ T838] bridge0: port 1(bridge_slave_0) entered blocking state [ 100.037321][ T838] bridge0: port 1(bridge_slave_0) entered forwarding state [ 100.047758][ T838] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 100.085502][ T838] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 100.098498][ T838] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 100.108028][ T838] bridge0: port 2(bridge_slave_1) entered blocking state [ 100.115365][ T838] bridge0: port 2(bridge_slave_1) entered forwarding state [ 100.140995][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 100.151054][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 100.160111][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 100.173227][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 100.183044][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 100.190953][ T21] Bluetooth: hci0: command 0x041b tx timeout [ 100.205077][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 100.215258][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 100.233910][ T838] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 100.244545][ T838] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 100.255874][ T838] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 100.265502][ T838] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 100.278294][ T4775] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 100.404724][ T5028] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 100.413305][ T5028] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 100.436448][ T4775] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 100.454553][ T5028] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 100.463722][ T5028] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 100.489822][ T5028] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 100.499104][ T5028] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 100.510419][ T5028] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 100.519849][ T5028] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 100.537781][ T4775] device veth0_vlan entered promiscuous mode [ 100.550038][ T4775] device veth1_vlan entered promiscuous mode [ 100.569341][ T5028] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 100.578228][ T5028] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 100.586959][ T5028] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 100.596164][ T5028] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 100.611488][ T4775] device veth0_macvtap entered promiscuous mode [ 100.626051][ T4775] device veth1_macvtap entered promiscuous mode [ 100.643692][ T1209] device hsr_slave_0 left promiscuous mode [ 100.652728][ T1209] device hsr_slave_1 left promiscuous mode [ 100.659404][ T1209] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 100.667612][ T1209] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 100.678934][ T1209] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 100.687407][ T1209] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 100.695842][ T1209] device bridge_slave_1 left promiscuous mode [ 100.702292][ T1209] bridge0: port 2(bridge_slave_1) entered disabled state [ 100.711377][ T1209] device bridge_slave_0 left promiscuous mode [ 100.718153][ T1209] bridge0: port 1(bridge_slave_0) entered disabled state [ 100.729873][ T1209] device veth1_macvtap left promiscuous mode [ 100.736995][ T1209] device veth0_macvtap left promiscuous mode [ 100.743432][ T1209] device veth1_vlan left promiscuous mode [ 100.749395][ T1209] device veth0_vlan left promiscuous mode [ 100.889526][ T1209] team0 (unregistering): Port device team_slave_1 removed [ 100.905573][ T1209] team0 (unregistering): Port device team_slave_0 removed [ 100.918549][ T1209] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 100.933683][ T1209] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 100.985578][ T1209] bond0 (unregistering): Released all slaves [ 101.038884][ T4775] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 101.050908][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 101.059421][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 101.068379][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 101.078015][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 101.090921][ T4775] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 101.102724][ T4775] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 101.112938][ T4775] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 101.122554][ T4775] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 101.132107][ T4775] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 101.145276][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 101.154949][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 101.240595][ T154] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 101.248759][ T154] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 101.259300][ T5028] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 101.291886][ T144] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 101.302172][ T144] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 101.310042][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2026/03/02 19:13:03 executed programs: 1 [ 101.485902][ T1209] [ 101.488665][ T1209] ============================================ [ 101.495055][ T1209] WARNING: possible recursive locking detected [ 101.501660][ T1209] syzkaller #0 Not tainted [ 101.506153][ T1209] -------------------------------------------- [ 101.512802][ T1209] kworker/u4:4/1209 is trying to acquire lock: [ 101.519226][ T1209] ffff8880b9027eb8 (krc.lock){..-.}-{2:2}, at: kvfree_call_rcu+0x18d/0x7d0 [ 101.528324][ T1209] [ 101.528324][ T1209] but task is already holding lock: [ 101.536370][ T1209] ffff8880b9027eb8 (krc.lock){..-.}-{2:2}, at: kvfree_call_rcu+0x18d/0x7d0 [ 101.545245][ T1209] [ 101.545245][ T1209] other info that might help us debug this: [ 101.553631][ T1209] Possible unsafe locking scenario: [ 101.553631][ T1209] [ 101.561328][ T1209] CPU0 [ 101.564693][ T1209] ---- [ 101.568056][ T1209] lock(krc.lock); [ 101.571850][ T1209] lock(krc.lock); [ 101.575728][ T1209] [ 101.575728][ T1209] *** DEADLOCK *** [ 101.575728][ T1209] [ 101.583888][ T1209] May be due to missing lock nesting notation [ 101.583888][ T1209] [ 101.592384][ T1209] 8 locks held by kworker/u4:4/1209: [ 101.597744][ T1209] #0: ffff888016dcd938 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x761/0x1010 [ 101.609624][ T1209] #1: ffffc90004f97d00 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x79f/0x1010 [ 101.620450][ T1209] #2: ffffffff8d430950 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x148/0xba0 [ 101.631256][ T1209] #3: ffffffff8c44d0f8 (sysctl_lock){+.+.}-{2:2}, at: drop_sysctl_table+0x1a1/0x4e0 [ 101.641301][ T1209] #4: ffff8880b9027eb8 (krc.lock){..-.}-{2:2}, at: kvfree_call_rcu+0x18d/0x7d0 [ 101.651394][ T1209] #5: ffff8880b90280d8 (&base->lock){-.-.}-{2:2}, at: lock_timer_base+0x123/0x270 [ 101.661472][ T1209] #6: ffffffff8c31eaa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 [ 101.671394][ T1209] #7: ffff88802120f238 (&trie->lock){....}-{2:2}, at: trie_delete_elem+0x90/0x710 [ 101.681177][ T1209] [ 101.681177][ T1209] stack backtrace: [ 101.687438][ T1209] CPU: 0 PID: 1209 Comm: kworker/u4:4 Not tainted syzkaller #0 [ 101.695254][ T1209] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 101.705565][ T1209] Workqueue: netns cleanup_net [ 101.710691][ T1209] Call Trace: [ 101.713964][ T1209] [ 101.716880][ T1209] dump_stack_lvl+0x188/0x250 [ 101.721985][ T1209] ? show_regs_print_info+0x20/0x20 [ 101.727343][ T1209] ? load_image+0x400/0x400 [ 101.731922][ T1209] __lock_acquire+0x1236/0x7d10 [ 101.736956][ T1209] ? stack_trace_save+0xa6/0xf0 [ 101.741790][ T1209] ? stack_depot_save+0x404/0x440 [ 101.747346][ T1209] ? verify_lock_unused+0x140/0x140 [ 101.752742][ T1209] ? kasan_save_stack+0x4b/0x60 [ 101.757663][ T1209] ? kasan_save_stack+0x35/0x60 [ 101.762518][ T1209] ? kasan_record_aux_stack+0xb8/0x100 [ 101.768136][ T1209] ? kvfree_call_rcu+0x105/0x7d0 [ 101.773363][ T1209] ? trie_delete_elem+0x58c/0x710 [ 101.778516][ T1209] ? bpf_prog_2c29ac5cdc6b1842+0x3a/0x79c [ 101.784408][ T1209] ? bpf_trace_run3+0x19e/0x350 [ 101.789371][ T1209] ? enqueue_timer+0x394/0x520 [ 101.794363][ T1209] ? __mod_timer+0x911/0xd00 [ 101.798958][ T1209] ? queue_delayed_work_on+0x12d/0x1f0 [ 101.804755][ T1209] ? kvfree_call_rcu+0x4bc/0x7d0 [ 101.809974][ T1209] ? drop_sysctl_table+0x359/0x4e0 [ 101.815562][ T1209] ? unregister_sysctl_table+0x87/0x130 [ 101.821300][ T1209] ? sctp_sysctl_net_unregister+0x58/0x70 [ 101.827032][ T1209] ? cleanup_net+0x706/0xba0 [ 101.831711][ T1209] ? process_one_work+0x85f/0x1010 [ 101.837189][ T1209] ? worker_thread+0xaa6/0x1290 [ 101.842233][ T1209] ? ret_from_fork+0x1f/0x30 [ 101.846805][ T1209] lock_acquire+0x19e/0x400 [ 101.851518][ T1209] ? kvfree_call_rcu+0x18d/0x7d0 [ 101.856468][ T1209] ? read_lock_is_recursive+0x10/0x10 [ 101.862055][ T1209] _raw_spin_lock+0x2a/0x40 [ 101.866707][ T1209] ? kvfree_call_rcu+0x18d/0x7d0 [ 101.871721][ T1209] kvfree_call_rcu+0x18d/0x7d0 [ 101.876473][ T1209] ? call_rcu+0x950/0x950 [ 101.881393][ T1209] ? _raw_spin_lock_irqsave+0xbc/0x100 [ 101.887183][ T1209] ? _raw_spin_lock+0x40/0x40 [ 101.892246][ T1209] ? longest_prefix_match+0x4c6/0x660 [ 101.897932][ T1209] trie_delete_elem+0x58c/0x710 [ 101.903059][ T1209] bpf_prog_2c29ac5cdc6b1842+0x3a/0x79c [ 101.908692][ T1209] bpf_trace_run3+0x19e/0x350 [ 101.913491][ T1209] ? do_raw_spin_unlock+0x11d/0x230 [ 101.919048][ T1209] ? bpf_trace_run2+0x2e0/0x2e0 [ 101.924170][ T1209] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 101.930519][ T1209] ? _raw_spin_lock_irqsave+0xbc/0x100 [ 101.936161][ T1209] ? _raw_spin_lock+0x40/0x40 [ 101.940822][ T1209] enqueue_timer+0x394/0x520 [ 101.945685][ T1209] __mod_timer+0x911/0xd00 [ 101.950342][ T1209] queue_delayed_work_on+0x12d/0x1f0 [ 101.955827][ T1209] ? delayed_work_timer_fn+0x80/0x80 [ 101.961416][ T1209] ? __rwlock_init+0x140/0x140 [ 101.966286][ T1209] ? kvfree_call_rcu+0x13f/0x7d0 [ 101.971273][ T1209] kvfree_call_rcu+0x4bc/0x7d0 [ 101.976803][ T1209] ? call_rcu+0x950/0x950 [ 101.981658][ T1209] ? __rwlock_init+0x140/0x140 [ 101.987162][ T1209] drop_sysctl_table+0x359/0x4e0 [ 101.992469][ T1209] ? insert_header+0xce0/0xce0 [ 101.997838][ T1209] ? do_raw_spin_lock+0x128/0x2f0 [ 102.003231][ T1209] ? __rwlock_init+0x140/0x140 [ 102.008053][ T1209] ? remove_proc_subtree+0x421/0x560 [ 102.013434][ T1209] unregister_sysctl_table+0x87/0x130 [ 102.018882][ T1209] sctp_sysctl_net_unregister+0x58/0x70 [ 102.025032][ T1209] cleanup_net+0x706/0xba0 [ 102.029727][ T1209] ? ops_free_list+0x330/0x330 [ 102.034591][ T1209] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 102.040593][ T1209] ? _raw_spin_unlock+0x40/0x40 [ 102.045746][ T1209] ? _raw_spin_unlock_irq+0x1f/0x40 [ 102.051369][ T1209] process_one_work+0x85f/0x1010 [ 102.056568][ T1209] ? worker_detach_from_pool+0x240/0x240 [ 102.062455][ T1209] ? lockdep_hardirqs_off+0x70/0x100 [ 102.067933][ T1209] ? _raw_spin_lock_irq+0xb7/0xf0 [ 102.073036][ T1209] ? _raw_spin_lock_irqsave+0x100/0x100 [ 102.078586][ T1209] ? wq_worker_running+0x97/0x170 [ 102.083695][ T1209] worker_thread+0xaa6/0x1290 [ 102.088493][ T1209] ? lockdep_hardirqs_on+0x94/0x140 [ 102.094030][ T1209] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 102.100347][ T1209] kthread+0x436/0x520 [ 102.104415][ T1209] ? rcu_lock_release+0x20/0x20 [ 102.109431][ T1209] ? kthread_blkcg+0xd0/0xd0 [ 102.114492][ T1209] ret_from_fork+0x1f/0x30 [ 102.119287][ T1209]