Warning: Permanently added '10.128.1.203' (ED25519) to the list of known hosts. 2025/12/11 10:45:48 parsed 1 programs [ 70.654380][ T4270] cgroup: Unknown subsys name 'net' [ 70.812801][ T4270] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 71.289411][ T1272] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.295937][ T1272] ieee802154 phy1 wpan1: encryption failed: -22 [ 72.353304][ T4270] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 74.593347][ T4294] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 74.601753][ T4294] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 74.610171][ T4294] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 74.618294][ T4294] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 74.626208][ T4294] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 74.633804][ T4294] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 75.165215][ T4314] chnl_net:caif_netlink_parms(): no params data found [ 75.214271][ T4314] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.221601][ T4314] bridge0: port 1(bridge_slave_0) entered disabled state [ 75.229968][ T4314] device bridge_slave_0 entered promiscuous mode [ 75.240474][ T4314] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.248229][ T4314] bridge0: port 2(bridge_slave_1) entered disabled state [ 75.258176][ T4314] device bridge_slave_1 entered promiscuous mode [ 75.291200][ T4314] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 75.302538][ T4314] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 75.333595][ T4314] team0: Port device team_slave_0 added [ 75.340901][ T4314] team0: Port device team_slave_1 added [ 75.359807][ T4314] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 75.366772][ T4314] 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. [ 75.392781][ T4314] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 75.405456][ T4314] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 75.412508][ T4314] 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. [ 75.438697][ T4314] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 75.476187][ T4314] device hsr_slave_0 entered promiscuous mode [ 75.483187][ T4314] device hsr_slave_1 entered promiscuous mode [ 75.591830][ T4314] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 75.602755][ T4314] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 75.620553][ T4314] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 75.630113][ T4314] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 75.675336][ T4314] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.682572][ T4314] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.690675][ T4314] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.697908][ T4314] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.762643][ T4314] 8021q: adding VLAN 0 to HW filter on device bond0 [ 75.781950][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.791702][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 75.800553][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 75.816196][ T4314] 8021q: adding VLAN 0 to HW filter on device team0 [ 75.831796][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 75.840764][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.847918][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.865682][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 75.883037][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.890224][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.919843][ T1068] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 75.928728][ T1068] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 75.941302][ T1068] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 75.960415][ T1068] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 75.971059][ T1068] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 75.989188][ T4314] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 76.154188][ T1068] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 76.162554][ T1068] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 76.179512][ T4314] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 76.195082][ T1068] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 76.204016][ T1068] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 76.221956][ T1068] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 76.231477][ T1068] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 76.245256][ T1068] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 76.254396][ T1068] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 76.264469][ T4314] device veth0_vlan entered promiscuous mode [ 76.278159][ T4314] device veth1_vlan entered promiscuous mode [ 76.301831][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 76.310332][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 76.319306][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 76.328293][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 76.343185][ T4314] device veth0_macvtap entered promiscuous mode [ 76.352750][ T4314] device veth1_macvtap entered promiscuous mode [ 76.366640][ T4314] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 76.375906][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 76.384723][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 76.393353][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 76.402219][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 76.416314][ T4314] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 76.424821][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 76.433642][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 76.444901][ T4314] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.454031][ T4314] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.462887][ T4314] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.471699][ T4314] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.742168][ T51] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 77.009035][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 77.021868][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 77.035152][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 77.051494][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 77.059612][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 77.071467][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2025/12/11 10:45:57 executed programs: 0 [ 78.194465][ T47] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 78.202264][ T47] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 78.210576][ T47] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 78.219368][ T47] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 78.226859][ T47] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 78.234181][ T47] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 78.356627][ T4368] chnl_net:caif_netlink_parms(): no params data found [ 78.399426][ T4368] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.406566][ T4368] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.415442][ T4368] device bridge_slave_0 entered promiscuous mode [ 78.424009][ T4368] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.431413][ T4368] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.439468][ T4368] device bridge_slave_1 entered promiscuous mode [ 78.461709][ T4368] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 78.472758][ T4368] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 78.496068][ T4368] team0: Port device team_slave_0 added [ 78.504820][ T4368] team0: Port device team_slave_1 added [ 78.523724][ T4368] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 78.530899][ T4368] 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. [ 78.557327][ T4368] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 78.572064][ T4368] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 78.579183][ T4368] 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. [ 78.605596][ T4368] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 78.635842][ T4368] device hsr_slave_0 entered promiscuous mode [ 78.642596][ T4368] device hsr_slave_1 entered promiscuous mode [ 78.649929][ T4368] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 78.658077][ T4368] Cannot create hsr debugfs directory [ 79.138105][ T51] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 80.257346][ T47] Bluetooth: hci0: command 0x0409 tx timeout [ 81.461426][ T51] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 81.529451][ T125] cfg80211: failed to load regulatory.db [ 81.574791][ T51] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 82.337279][ T4294] Bluetooth: hci0: command 0x041b tx timeout [ 82.406693][ T4368] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 82.427709][ T4368] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 82.437127][ T4368] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 82.450052][ T4368] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 82.464876][ T51] device hsr_slave_0 left promiscuous mode [ 82.471959][ T51] device hsr_slave_1 left promiscuous mode [ 82.479491][ T51] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 82.487171][ T51] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 82.497518][ T51] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 82.504949][ T51] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 82.513171][ T51] device bridge_slave_1 left promiscuous mode [ 82.520509][ T51] bridge0: port 2(bridge_slave_1) entered disabled state [ 82.531057][ T51] device bridge_slave_0 left promiscuous mode [ 82.538638][ T51] bridge0: port 1(bridge_slave_0) entered disabled state [ 82.555837][ T51] device veth1_macvtap left promiscuous mode [ 82.562121][ T51] device veth0_macvtap left promiscuous mode [ 82.568364][ T51] device veth1_vlan left promiscuous mode [ 82.574287][ T51] device veth0_vlan left promiscuous mode [ 82.880684][ T51] team0 (unregistering): Port device team_slave_1 removed [ 82.911844][ T51] team0 (unregistering): Port device team_slave_0 removed [ 82.942412][ T51] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 82.976570][ T51] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 83.250619][ T51] bond0 (unregistering): Released all slaves [ 83.414208][ T4368] 8021q: adding VLAN 0 to HW filter on device bond0 [ 83.430326][ T4351] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 83.439887][ T4351] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 83.455665][ T4368] 8021q: adding VLAN 0 to HW filter on device team0 [ 83.491159][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 83.500980][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 83.512029][ T40] bridge0: port 1(bridge_slave_0) entered blocking state [ 83.519279][ T40] bridge0: port 1(bridge_slave_0) entered forwarding state [ 83.552419][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 83.561808][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 83.573408][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 83.583089][ T40] bridge0: port 2(bridge_slave_1) entered blocking state [ 83.590360][ T40] bridge0: port 2(bridge_slave_1) entered forwarding state [ 83.604605][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 83.624443][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 83.634660][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 83.644988][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 83.669456][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 83.678369][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 83.690324][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 83.699928][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 83.711488][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 83.720443][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 83.731626][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 83.742224][ T4368] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 84.018322][ T4351] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 84.025820][ T4351] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 84.040772][ T4368] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 84.074855][ T4351] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 84.093727][ T4351] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 84.120692][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 84.129396][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 84.139272][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 84.148716][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 84.163944][ T4368] device veth0_vlan entered promiscuous mode [ 84.176862][ T4368] device veth1_vlan entered promiscuous mode [ 84.200599][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 84.208766][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 84.216700][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 84.226494][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 84.237471][ T4368] device veth0_macvtap entered promiscuous mode [ 84.245938][ T4368] device veth1_macvtap entered promiscuous mode [ 84.261395][ T4368] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 84.270598][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 84.279381][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 84.287536][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 84.296561][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 84.307164][ T4368] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 84.314850][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 84.323473][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 84.335235][ T4368] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 84.344305][ T4368] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 84.353581][ T4368] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 84.362613][ T4368] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 84.412320][ T11] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 84.420755][ T4294] Bluetooth: hci0: command 0x040f tx timeout [ 84.428350][ T11] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 84.445543][ T1068] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready 2025/12/11 10:46:04 executed programs: 2 [ 84.470453][ T11] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 84.478570][ T11] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 84.490991][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 84.607046][ T4306] [ 84.609443][ T4306] ====================================================== [ 84.616461][ T4306] WARNING: possible circular locking dependency detected [ 84.623485][ T4306] syzkaller #0 Not tainted [ 84.627895][ T4306] ------------------------------------------------------ [ 84.634910][ T4306] kworker/0:8/4306 is trying to acquire lock: [ 84.640972][ T4306] ffff8880b8e281d8 (krc.lock){..-.}-{2:2}, at: kvfree_call_rcu+0x184/0x870 [ 84.649615][ T4306] [ 84.649615][ T4306] but task is already holding lock: [ 84.656990][ T4306] ffff8880b8e28418 (&base->lock){-.-.}-{2:2}, at: lock_timer_base+0x123/0x270 [ 84.665981][ T4306] [ 84.665981][ T4306] which lock already depends on the new lock. [ 84.665981][ T4306] [ 84.676401][ T4306] [ 84.676401][ T4306] the existing dependency chain (in reverse order) is: [ 84.685430][ T4306] [ 84.685430][ T4306] -> #1 (&base->lock){-.-.}-{2:2}: [ 84.692748][ T4306] _raw_spin_lock_irqsave+0xa4/0xf0 [ 84.698489][ T4306] lock_timer_base+0x123/0x270 [ 84.703792][ T4306] __mod_timer+0xfe/0xd00 [ 84.708648][ T4306] queue_delayed_work_on+0x126/0x1e0 [ 84.714465][ T4306] kvfree_call_rcu+0x4cb/0x870 [ 84.719762][ T4306] rtnl_register_internal+0x489/0x590 [ 84.725663][ T4306] rtnl_register+0x2e/0x70 [ 84.730606][ T4306] ip_rt_init+0x323/0x3b5 [ 84.735477][ T4306] ip_init+0xa/0x14 [ 84.739850][ T4306] inet_init+0x2bd/0x3cf [ 84.744616][ T4306] do_one_initcall+0x214/0x7a0 [ 84.749934][ T4306] do_initcall_level+0x137/0x1e4 [ 84.755400][ T4306] do_initcalls+0x4b/0x8a [ 84.760262][ T4306] kernel_init_freeable+0x3fa/0x5ac [ 84.765999][ T4306] kernel_init+0x19/0x1b0 [ 84.770968][ T4306] ret_from_fork+0x1f/0x30 [ 84.775920][ T4306] [ 84.775920][ T4306] -> #0 (krc.lock){..-.}-{2:2}: [ 84.782974][ T4306] __lock_acquire+0x2cf8/0x7c50 [ 84.788356][ T4306] lock_acquire+0x1b4/0x490 [ 84.793390][ T4306] _raw_spin_lock+0x2a/0x40 [ 84.798415][ T4306] kvfree_call_rcu+0x184/0x870 [ 84.803717][ T4306] trie_delete_elem+0x52d/0x690 [ 84.809125][ T4306] bpf_prog_87c4e24aeb87061a+0x3a/0x5f [ 84.815121][ T4306] bpf_trace_run3+0x1e3/0x400 [ 84.820357][ T4306] enqueue_timer+0x411/0x5c0 [ 84.825476][ T4306] __mod_timer+0x911/0xd00 [ 84.830420][ T4306] mod_delayed_work_on+0xc3/0x1a0 [ 84.835976][ T4306] addrconf_mod_dad_work+0x76/0x120 [ 84.841699][ T4306] addrconf_dad_work+0x943/0x14d0 [ 84.847249][ T4306] process_one_work+0x898/0x1160 [ 84.852708][ T4306] worker_thread+0xaa2/0x1250 [ 84.857908][ T4306] kthread+0x29d/0x330 [ 84.862590][ T4306] ret_from_fork+0x1f/0x30 [ 84.867537][ T4306] [ 84.867537][ T4306] other info that might help us debug this: [ 84.867537][ T4306] [ 84.877768][ T4306] Possible unsafe locking scenario: [ 84.877768][ T4306] [ 84.885218][ T4306] CPU0 CPU1 [ 84.890606][ T4306] ---- ---- [ 84.896001][ T4306] lock(&base->lock); [ 84.900178][ T4306] lock(krc.lock); [ 84.906508][ T4306] lock(&base->lock); [ 84.913096][ T4306] lock(krc.lock); [ 84.916908][ T4306] [ 84.916908][ T4306] *** DEADLOCK *** [ 84.916908][ T4306] [ 84.925057][ T4306] 7 locks held by kworker/0:8/4306: [ 84.930250][ T4306] #0: ffff88802f060938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x7a1/0x1160 [ 84.941223][ T4306] #1: ffffc90003ed7d00 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0x7a1/0x1160 [ 84.953411][ T4306] #2: ffffffff8db3b3a8 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xc4/0x14d0 [ 84.962817][ T4306] #3: ffff88801ae8e580 (&ndev->lock){++--}-{2:2}, at: addrconf_dad_work+0x518/0x14d0 [ 84.972420][ T4306] #4: ffff888076e0ac40 (&ifa->lock){+...}-{2:2}, at: addrconf_dad_work+0x6e3/0x14d0 [ 84.981944][ T4306] #5: ffff8880b8e28418 (&base->lock){-.-.}-{2:2}, at: lock_timer_base+0x123/0x270 [ 84.991288][ T4306] #6: ffffffff8c92b120 (rcu_read_lock){....}-{1:2}, at: bpf_trace_run3+0xf0/0x400 [ 85.000610][ T4306] [ 85.000610][ T4306] stack backtrace: [ 85.006516][ T4306] CPU: 0 PID: 4306 Comm: kworker/0:8 Not tainted syzkaller #0 [ 85.013978][ T4306] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 85.024054][ T4306] Workqueue: ipv6_addrconf addrconf_dad_work [ 85.030064][ T4306] Call Trace: [ 85.033359][ T4306] [ 85.036297][ T4306] dump_stack_lvl+0x168/0x22e [ 85.041174][ T4306] ? load_image+0x3b0/0x3b0 [ 85.045865][ T4306] ? show_regs_print_info+0x12/0x12 [ 85.051338][ T4306] ? print_circular_bug+0x12b/0x1a0 [ 85.056545][ T4306] check_noncircular+0x274/0x310 [ 85.061493][ T4306] ? add_chain_block+0x940/0x940 [ 85.066439][ T4306] ? lockdep_lock+0xdc/0x1e0 [ 85.071038][ T4306] ? _find_first_zero_bit+0xcf/0x100 [ 85.076326][ T4306] __lock_acquire+0x2cf8/0x7c50 [ 85.081192][ T4306] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 85.087195][ T4306] ? verify_lock_unused+0x140/0x140 [ 85.092408][ T4306] ? kasan_save_stack+0x4c/0x60 [ 85.097264][ T4306] ? kasan_save_stack+0x3a/0x60 [ 85.102123][ T4306] ? __kasan_record_aux_stack+0xb2/0xc0 [ 85.107686][ T4306] ? kvfree_call_rcu+0x108/0x870 [ 85.112642][ T4306] ? trie_delete_elem+0x52d/0x690 [ 85.117700][ T4306] ? bpf_prog_87c4e24aeb87061a+0x3a/0x5f [ 85.123337][ T4306] ? bpf_trace_run3+0x1e3/0x400 [ 85.128199][ T4306] ? enqueue_timer+0x411/0x5c0 [ 85.133062][ T4306] ? __mod_timer+0x911/0xd00 [ 85.137679][ T4306] ? mod_delayed_work_on+0xc3/0x1a0 [ 85.142890][ T4306] ? addrconf_mod_dad_work+0x76/0x120 [ 85.148269][ T4306] ? addrconf_dad_work+0x943/0x14d0 [ 85.153561][ T4306] ? process_one_work+0x898/0x1160 [ 85.158679][ T4306] ? worker_thread+0xaa2/0x1250 [ 85.163531][ T4306] ? kthread+0x29d/0x330 [ 85.167783][ T4306] ? ret_from_fork+0x1f/0x30 [ 85.172389][ T4306] lock_acquire+0x1b4/0x490 [ 85.176899][ T4306] ? kvfree_call_rcu+0x184/0x870 [ 85.181847][ T4306] ? read_lock_is_recursive+0x10/0x10 [ 85.187228][ T4306] ? __phys_addr+0xb6/0x170 [ 85.191737][ T4306] _raw_spin_lock+0x2a/0x40 [ 85.196242][ T4306] ? kvfree_call_rcu+0x184/0x870 [ 85.201283][ T4306] kvfree_call_rcu+0x184/0x870 [ 85.206321][ T4306] ? rcu_leak_callback+0x10/0x10 [ 85.211267][ T4306] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 85.217166][ T4306] ? _raw_spin_unlock+0x40/0x40 [ 85.222030][ T4306] trie_delete_elem+0x52d/0x690 [ 85.226931][ T4306] bpf_prog_87c4e24aeb87061a+0x3a/0x5f [ 85.232394][ T4306] bpf_trace_run3+0x1e3/0x400 [ 85.237083][ T4306] ? do_raw_spin_unlock+0x11d/0x230 [ 85.242290][ T4306] ? bpf_trace_run3+0xf0/0x400 [ 85.247062][ T4306] ? bpf_trace_run2+0x3b0/0x3b0 [ 85.251924][ T4306] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 85.257820][ T4306] ? _raw_spin_lock_irqsave+0xb0/0xf0 [ 85.263192][ T4306] ? _raw_spin_lock+0x40/0x40 [ 85.267922][ T4306] enqueue_timer+0x411/0x5c0 [ 85.272516][ T4306] __mod_timer+0x911/0xd00 [ 85.276958][ T4306] mod_delayed_work_on+0xc3/0x1a0 [ 85.282113][ T4306] ? __queue_delayed_work+0x200/0x200 [ 85.287523][ T4306] ? __rwlock_init+0x140/0x140 [ 85.292335][ T4306] addrconf_mod_dad_work+0x76/0x120 [ 85.297557][ T4306] addrconf_dad_work+0x943/0x14d0 [ 85.302600][ T4306] ? ipv6_get_saddr_eval+0xe60/0xe60 [ 85.307912][ T4306] ? read_lock_is_recursive+0x10/0x10 [ 85.313291][ T4306] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 85.319194][ T4306] ? _raw_spin_unlock+0x40/0x40 [ 85.324049][ T4306] ? _raw_spin_unlock_irq+0x1f/0x40 [ 85.329251][ T4306] ? process_one_work+0x7a1/0x1160 [ 85.334373][ T4306] process_one_work+0x898/0x1160 [ 85.339318][ T4306] ? worker_detach_from_pool+0x240/0x240 [ 85.344955][ T4306] ? _raw_spin_lock_irq+0xab/0xe0 [ 85.350037][ T4306] ? _raw_spin_lock_irqsave+0xf0/0xf0 [ 85.355437][ T4306] ? kthread_data+0x4b/0xc0 [ 85.359962][ T4306] worker_thread+0xaa2/0x1250 [ 85.364660][ T4306] ? __kthread_parkme+0x162/0x1c0 [ 85.369698][ T4306] kthread+0x29d/0x330 [ 85.373778][ T4306] ? worker_clr_flags+0x1a0/0x1a0 [ 85.378808][ T4306] ? kthread_blkcg+0xd0/0xd0 [ 85.383425][ T4306] ret_from_fork+0x1f/0x30 [ 85.387902][ T4306] [ 86.487139][ T4294] Bluetooth: hci0: command 0x0419 tx timeout