[ 85.481133][ T144] device veth1_macvtap left promiscuous mode [ 85.489202][ T144] device veth0_macvtap left promiscuous mode [ 85.496058][ T144] device veth1_vlan left promiscuous mode [ 85.502878][ T144] device veth0_vlan left promiscuous mode [ 85.626017][ T144] team0 (unregistering): Port device team_slave_1 removed [ 85.638894][ T144] team0 (unregistering): Port device team_slave_0 removed [ 85.651231][ T144] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 85.667322][ T144] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 85.722352][ T144] bond0 (unregistering): Released all slaves [ 87.243865][ T1333] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.1.155' (ED25519) to the list of known hosts. 2026/04/13 17:01:43 parsed 1 programs Setting up swapspace version 1, size = 127995904 bytes [ 105.490035][ T4626] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 108.657741][ T144] ODEBUG: Out of memory. ODEBUG disabled [ 109.000028][ T4687] chnl_net:caif_netlink_parms(): no params data found [ 109.036414][ T4687] bridge0: port 1(bridge_slave_0) entered blocking state [ 109.044059][ T4687] bridge0: port 1(bridge_slave_0) entered disabled state [ 109.053062][ T4687] device bridge_slave_0 entered promiscuous mode [ 109.061226][ T4687] bridge0: port 2(bridge_slave_1) entered blocking state [ 109.069105][ T4687] bridge0: port 2(bridge_slave_1) entered disabled state [ 109.077407][ T4687] device bridge_slave_1 entered promiscuous mode [ 109.096084][ T4687] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 109.109640][ T4687] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 109.133416][ T4687] team0: Port device team_slave_0 added [ 109.141703][ T4687] team0: Port device team_slave_1 added [ 109.159139][ T4687] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 109.167259][ T4687] 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. [ 109.195349][ T4687] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 109.220909][ T4687] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 109.228506][ T4687] 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. [ 109.255373][ T4687] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 109.298839][ T4687] device hsr_slave_0 entered promiscuous mode [ 109.306077][ T4687] device hsr_slave_1 entered promiscuous mode [ 109.787111][ T4687] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 109.798980][ T4687] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 109.827617][ T4687] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 109.837393][ T4687] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 109.865548][ T4687] bridge0: port 2(bridge_slave_1) entered blocking state [ 109.874308][ T4687] bridge0: port 2(bridge_slave_1) entered forwarding state [ 109.882049][ T4687] bridge0: port 1(bridge_slave_0) entered blocking state [ 109.889781][ T4687] bridge0: port 1(bridge_slave_0) entered forwarding state [ 109.956134][ T4687] 8021q: adding VLAN 0 to HW filter on device bond0 [ 109.964558][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 109.973558][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 110.008468][ T1196] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 110.016719][ T1196] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 110.027478][ T4687] 8021q: adding VLAN 0 to HW filter on device team0 [ 110.038621][ T1196] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 110.058666][ T1196] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 110.069688][ T1196] bridge0: port 1(bridge_slave_0) entered blocking state [ 110.077284][ T1196] bridge0: port 1(bridge_slave_0) entered forwarding state [ 110.092201][ T1196] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 110.104428][ T1196] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 110.115947][ T1196] bridge0: port 2(bridge_slave_1) entered blocking state [ 110.124087][ T1196] bridge0: port 2(bridge_slave_1) entered forwarding state [ 110.158223][ T1196] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 110.173102][ T1196] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 110.194690][ T1196] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 110.213908][ T1196] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 110.243418][ T4687] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 110.259009][ T4687] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 110.273348][ T1196] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 110.292461][ T1196] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 110.313482][ T1196] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 110.327919][ T1196] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 110.339519][ T1196] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 110.352145][ T1196] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 110.361057][ T1196] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 110.372483][ T1196] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 110.576878][ T1196] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 110.592187][ T1196] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 110.604808][ T4687] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 110.634324][ T1196] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 110.644773][ T1196] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 110.664415][ T1196] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 110.674135][ T1196] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 110.685496][ T4687] device veth0_vlan entered promiscuous mode [ 110.693621][ T1196] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 110.712412][ T1196] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 110.730552][ T4687] device veth1_vlan entered promiscuous mode [ 110.766844][ T1196] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 110.777061][ T1196] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 110.803742][ T1196] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 110.818138][ T1196] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 110.829339][ T4687] device veth0_macvtap entered promiscuous mode [ 110.840629][ T4687] device veth1_macvtap entered promiscuous mode [ 110.861369][ T4687] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 110.871216][ T1196] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 110.881426][ T1196] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 110.893306][ T1196] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 110.908288][ T1196] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 110.926392][ T4687] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 110.943171][ T1196] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 110.953636][ T1196] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 110.985960][ T4687] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 111.004663][ T4687] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 111.014105][ T4687] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 111.023046][ T4687] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 111.471797][ T1196] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 111.488816][ T1196] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 111.508785][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 111.524565][ T154] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 111.539995][ T154] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 111.560995][ T1196] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 111.929424][ T144] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2026/04/13 17:01:53 executed programs: 0 [ 112.417391][ T4815] chnl_net:caif_netlink_parms(): no params data found [ 112.474404][ T4815] bridge0: port 1(bridge_slave_0) entered blocking state [ 112.482084][ T4815] bridge0: port 1(bridge_slave_0) entered disabled state [ 112.490693][ T4815] device bridge_slave_0 entered promiscuous mode [ 112.500398][ T4815] bridge0: port 2(bridge_slave_1) entered blocking state [ 112.507891][ T4815] bridge0: port 2(bridge_slave_1) entered disabled state [ 112.516293][ T4815] device bridge_slave_1 entered promiscuous mode [ 112.555516][ T4815] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 112.569134][ T4815] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 112.603219][ T4815] team0: Port device team_slave_0 added [ 112.611672][ T4815] team0: Port device team_slave_1 added [ 112.636696][ T4815] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 112.646469][ T4815] 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. [ 112.676894][ T4815] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 112.690128][ T4815] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 112.700356][ T4815] 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. [ 112.730073][ T4815] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 112.768942][ T4815] device hsr_slave_0 entered promiscuous mode [ 112.778847][ T4815] device hsr_slave_1 entered promiscuous mode [ 112.786260][ T4815] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 112.797799][ T4815] Cannot create hsr debugfs directory [ 114.069449][ T144] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 114.362109][ T4205] Bluetooth: hci0: command 0x0409 tx timeout [ 115.297735][ T144] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 115.349253][ T144] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 116.144458][ T4815] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 116.154745][ T4815] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 116.177675][ T4815] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 116.187370][ T4815] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 116.262887][ T4815] 8021q: adding VLAN 0 to HW filter on device bond0 [ 116.276750][ T1196] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 116.286215][ T1196] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 116.304659][ T4815] 8021q: adding VLAN 0 to HW filter on device team0 [ 116.316013][ T4783] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 116.325155][ T4783] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 116.334176][ T4783] bridge0: port 1(bridge_slave_0) entered blocking state [ 116.341476][ T4783] bridge0: port 1(bridge_slave_0) entered forwarding state [ 116.350189][ T4783] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 116.363939][ T4207] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 116.375229][ T4207] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 116.384242][ T4207] bridge0: port 2(bridge_slave_1) entered blocking state [ 116.392088][ T4207] bridge0: port 2(bridge_slave_1) entered forwarding state [ 116.410350][ T4207] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 116.425202][ T4783] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 116.452946][ T5053] Bluetooth: hci0: command 0x041b tx timeout [ 116.462180][ T4207] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 116.474618][ T4207] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 116.484418][ T4207] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 116.493744][ T4207] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 116.503028][ T4207] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 116.512442][ T4207] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 116.523235][ T4207] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 116.541397][ T4783] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 116.550419][ T4783] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 116.563586][ T4815] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 116.604068][ T144] device hsr_slave_0 left promiscuous mode [ 116.611124][ T144] device hsr_slave_1 left promiscuous mode [ 116.621408][ T144] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 116.630596][ T144] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 116.639008][ T144] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 116.647067][ T144] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 116.657126][ T144] device bridge_slave_1 left promiscuous mode [ 116.665851][ T144] bridge0: port 2(bridge_slave_1) entered disabled state [ 116.676463][ T144] device bridge_slave_0 left promiscuous mode [ 116.685835][ T144] bridge0: port 1(bridge_slave_0) entered disabled state [ 116.698014][ T144] device veth1_macvtap left promiscuous mode [ 116.705066][ T144] device veth0_macvtap left promiscuous mode [ 116.713161][ T144] device veth1_vlan left promiscuous mode [ 116.719775][ T144] device veth0_vlan left promiscuous mode [ 116.854425][ T144] team0 (unregistering): Port device team_slave_1 removed [ 116.868056][ T144] team0 (unregistering): Port device team_slave_0 removed [ 116.886376][ T144] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 116.902457][ T144] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 116.954348][ T144] bond0 (unregistering): Released all slaves [ 117.069469][ T4815] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 117.091370][ T4783] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 117.100159][ T4783] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 117.123258][ T4783] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 117.133375][ T4783] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 117.142821][ T4783] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 117.152280][ T4783] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 117.160900][ T4783] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 117.170393][ T4783] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 117.180915][ T4815] device veth0_vlan entered promiscuous mode [ 117.193406][ T4815] device veth1_vlan entered promiscuous mode [ 117.226086][ T4783] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 117.240648][ T4783] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 117.251451][ T4783] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 117.260203][ T4783] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 117.274145][ T4815] device veth0_macvtap entered promiscuous mode [ 117.282319][ T4207] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 117.293738][ T4815] device veth1_macvtap entered promiscuous mode [ 117.308389][ T4815] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 117.316627][ T4783] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 117.326396][ T4783] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 117.343192][ T4815] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 117.353846][ T4815] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 117.363182][ T4815] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 117.372998][ T4815] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 117.382435][ T4815] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 117.393942][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 117.405143][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 117.457333][ T154] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 117.482430][ T154] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 2026/04/13 17:01:58 executed programs: 2 [ 117.505753][ T4207] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 117.519088][ T4207] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 117.530390][ T4207] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 117.539427][ T4783] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 117.587960][ T15] [ 117.590555][ T15] ====================================================== [ 117.598390][ T15] WARNING: possible circular locking dependency detected [ 117.605852][ T15] syzkaller #0 Not tainted [ 117.610600][ T15] ------------------------------------------------------ [ 117.617867][ T15] rcu_preempt/15 is trying to acquire lock: [ 117.623957][ T15] ffff8880b9027eb8 (krc.lock){..-.}-{2:2}, at: kvfree_call_rcu+0x18d/0x7d0 [ 117.632831][ T15] [ 117.632831][ T15] but task is already holding lock: [ 117.640348][ T15] ffff88807d644238 (&trie->lock){....}-{2:2}, at: trie_delete_elem+0x90/0x710 [ 117.649783][ T15] [ 117.649783][ T15] which lock already depends on the new lock. [ 117.649783][ T15] [ 117.660526][ T15] [ 117.660526][ T15] the existing dependency chain (in reverse order) is: [ 117.669976][ T15] [ 117.669976][ T15] -> #2 (&trie->lock){....}-{2:2}: [ 117.677630][ T15] _raw_spin_lock_irqsave+0xb0/0x100 [ 117.684312][ T15] trie_delete_elem+0x90/0x710 [ 117.689847][ T15] bpf_prog_41385012b43a9f2e+0x40/0xd4 [ 117.697137][ T15] bpf_trace_run3+0x19e/0x350 [ 117.702534][ T15] enqueue_timer+0x394/0x520 [ 117.708417][ T15] __mod_timer+0x911/0xd00 [ 117.713624][ T15] schedule_timeout+0x17f/0x2d0 [ 117.719251][ T15] rcu_gp_fqs_loop+0x2be/0x11d0 [ 117.725287][ T15] rcu_gp_kthread+0x9b/0x370 [ 117.730948][ T15] kthread+0x436/0x520 [ 117.735712][ T15] ret_from_fork+0x1f/0x30 [ 117.741111][ T15] [ 117.741111][ T15] -> #1 (&base->lock){-.-.}-{2:2}: [ 117.748739][ T15] _raw_spin_lock_irqsave+0xb0/0x100 [ 117.755128][ T15] lock_timer_base+0x123/0x270 [ 117.761316][ T15] __mod_timer+0xfe/0xd00 [ 117.766857][ T15] queue_delayed_work_on+0x12d/0x1f0 [ 117.773743][ T15] kvfree_call_rcu+0x4bc/0x7d0 [ 117.779393][ T15] rtnl_register_internal+0x489/0x590 [ 117.785758][ T15] rtnl_register+0x2e/0x70 [ 117.791494][ T15] ip_rt_init+0x2e0/0x3a0 [ 117.797053][ T15] ip_init+0xa/0x20 [ 117.801799][ T15] inet_init+0x28b/0x3a0 [ 117.806662][ T15] do_one_initcall+0x272/0x730 [ 117.812204][ T15] do_initcall_level+0x137/0x1f0 [ 117.817963][ T15] do_initcalls+0x4b/0x90 [ 117.822997][ T15] kernel_init_freeable+0x3e9/0x570 [ 117.828788][ T15] kernel_init+0x19/0x1b0 [ 117.833880][ T15] ret_from_fork+0x1f/0x30 [ 117.839349][ T15] [ 117.839349][ T15] -> #0 (krc.lock){..-.}-{2:2}: [ 117.846576][ T15] __lock_acquire+0x2c42/0x7d10 [ 117.852175][ T15] lock_acquire+0x19e/0x400 [ 117.857542][ T15] _raw_spin_lock+0x2a/0x40 [ 117.862643][ T15] kvfree_call_rcu+0x18d/0x7d0 [ 117.868003][ T15] trie_delete_elem+0x58c/0x710 [ 117.873554][ T15] bpf_prog_41385012b43a9f2e+0x40/0xd4 [ 117.879520][ T15] bpf_trace_run3+0x19e/0x350 [ 117.885571][ T15] enqueue_timer+0x394/0x520 [ 117.891258][ T15] __mod_timer+0x911/0xd00 [ 117.896452][ T15] schedule_timeout+0x17f/0x2d0 [ 117.902162][ T15] rcu_gp_fqs_loop+0x2be/0x11d0 [ 117.907876][ T15] rcu_gp_kthread+0x9b/0x370 [ 117.913357][ T15] kthread+0x436/0x520 [ 117.918401][ T15] ret_from_fork+0x1f/0x30 [ 117.923857][ T15] [ 117.923857][ T15] other info that might help us debug this: [ 117.923857][ T15] [ 117.934296][ T15] Chain exists of: [ 117.934296][ T15] krc.lock --> &base->lock --> &trie->lock [ 117.934296][ T15] [ 117.946796][ T15] Possible unsafe locking scenario: [ 117.946796][ T15] [ 117.954768][ T15] CPU0 CPU1 [ 117.960523][ T15] ---- ---- [ 117.966228][ T15] lock(&trie->lock); [ 117.970282][ T15] lock(&base->lock); [ 117.977119][ T15] lock(&trie->lock); [ 117.985796][ T15] lock(krc.lock); [ 117.989969][ T15] [ 117.989969][ T15] *** DEADLOCK *** [ 117.989969][ T15] [ 117.998486][ T15] 3 locks held by rcu_preempt/15: [ 118.003938][ T15] #0: ffff8880b90280d8 (&base->lock){-.-.}-{2:2}, at: lock_timer_base+0x123/0x270 [ 118.014075][ T15] #1: ffffffff8c31eaa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 [ 118.023734][ T15] #2: ffff88807d644238 (&trie->lock){....}-{2:2}, at: trie_delete_elem+0x90/0x710 [ 118.033209][ T15] [ 118.033209][ T15] stack backtrace: [ 118.039794][ T15] CPU: 0 PID: 15 Comm: rcu_preempt Not tainted syzkaller #0 [ 118.047526][ T15] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 118.058392][ T15] Call Trace: [ 118.061778][ T15] [ 118.065060][ T15] dump_stack_lvl+0x188/0x250 [ 118.071070][ T15] ? load_image+0x400/0x400 [ 118.075756][ T15] ? show_regs_print_info+0x20/0x20 [ 118.081034][ T15] ? print_circular_bug+0x12b/0x1a0 [ 118.086769][ T15] check_noncircular+0x296/0x330 [ 118.091931][ T15] ? add_chain_block+0x940/0x940 [ 118.097031][ T15] ? lockdep_lock+0xf1/0x1f0 [ 118.101750][ T15] ? mark_lock+0x94/0x320 [ 118.106876][ T15] __lock_acquire+0x2c42/0x7d10 [ 118.112439][ T15] ? stack_trace_save+0xa6/0xf0 [ 118.117688][ T15] ? stack_depot_save+0x404/0x440 [ 118.123084][ T15] ? verify_lock_unused+0x140/0x140 [ 118.128612][ T15] ? kasan_save_stack+0x4b/0x60 [ 118.134288][ T15] ? kasan_save_stack+0x35/0x60 [ 118.140064][ T15] ? kasan_record_aux_stack+0xb8/0x100 [ 118.147061][ T15] ? kvfree_call_rcu+0x105/0x7d0 [ 118.152647][ T15] ? trie_delete_elem+0x58c/0x710 [ 118.157918][ T15] ? bpf_prog_41385012b43a9f2e+0x40/0xd4 [ 118.163882][ T15] ? bpf_trace_run3+0x19e/0x350 [ 118.169576][ T15] ? enqueue_timer+0x394/0x520 [ 118.174993][ T15] ? __mod_timer+0x911/0xd00 [ 118.179997][ T15] ? schedule_timeout+0x17f/0x2d0 [ 118.185294][ T15] ? rcu_gp_fqs_loop+0x2be/0x11d0 [ 118.190586][ T15] ? rcu_gp_kthread+0x9b/0x370 [ 118.195535][ T15] ? kthread+0x436/0x520 [ 118.200126][ T15] ? ret_from_fork+0x1f/0x30 [ 118.205081][ T15] lock_acquire+0x19e/0x400 [ 118.210050][ T15] ? kvfree_call_rcu+0x18d/0x7d0 [ 118.215166][ T15] ? read_lock_is_recursive+0x10/0x10 [ 118.221010][ T15] _raw_spin_lock+0x2a/0x40 [ 118.225812][ T15] ? kvfree_call_rcu+0x18d/0x7d0 [ 118.231563][ T15] kvfree_call_rcu+0x18d/0x7d0 [ 118.236969][ T15] ? call_rcu+0x950/0x950 [ 118.241403][ T15] ? _raw_spin_lock_irqsave+0xbc/0x100 [ 118.247189][ T15] ? _raw_spin_lock+0x40/0x40 [ 118.252375][ T15] ? longest_prefix_match+0x452/0x660 [ 118.258648][ T15] trie_delete_elem+0x58c/0x710 [ 118.263943][ T15] bpf_prog_41385012b43a9f2e+0x40/0xd4 [ 118.269768][ T15] bpf_trace_run3+0x19e/0x350 [ 118.275707][ T15] ? bpf_trace_run2+0x2e0/0x2e0 [ 118.281119][ T15] ? _raw_spin_lock_irqsave+0xbc/0x100 [ 118.287101][ T15] ? _raw_spin_lock+0x40/0x40 [ 118.292561][ T15] ? memset+0x1e/0x40 [ 118.296552][ T15] enqueue_timer+0x394/0x520 [ 118.301282][ T15] __mod_timer+0x911/0xd00 [ 118.306243][ T15] schedule_timeout+0x17f/0x2d0 [ 118.313187][ T15] ? console_conditional_schedule+0x40/0x40 [ 118.319457][ T15] ? update_process_times+0x200/0x200 [ 118.325097][ T15] ? prepare_to_swait_event+0x331/0x350 [ 118.331601][ T15] rcu_gp_fqs_loop+0x2be/0x11d0 [ 118.336450][ T15] ? lockdep_hardirqs_on+0x94/0x140 [ 118.342334][ T15] ? rcu_gp_init+0xd6c/0x10f0 [ 118.347009][ T15] ? rcu_gp_init+0x10f0/0x10f0 [ 118.352214][ T15] ? _raw_spin_unlock_irq+0x1f/0x40 [ 118.358059][ T15] ? lockdep_hardirqs_on+0x94/0x140 [ 118.363651][ T15] rcu_gp_kthread+0x9b/0x370 [ 118.368960][ T15] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 118.376374][ T15] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 118.383956][ T15] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 118.390782][ T15] ? __kthread_parkme+0x157/0x1b0 [ 118.396290][ T15] kthread+0x436/0x520 [ 118.401167][ T15] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 118.406645][ T15] ? kthread_blkcg+0xd0/0xd0 [ 118.411542][ T15] ret_from_fork+0x1f/0x30 [ 118.416442][ T15]