[ 69.244117][ T1275] device hsr_slave_0 left promiscuous mode [ 69.251057][ T1275] device hsr_slave_1 left promiscuous mode [ 69.257696][ T1275] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 69.265833][ T1275] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 69.274218][ T1275] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 69.282226][ T1275] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 69.290128][ T1275] device bridge_slave_1 left promiscuous mode [ 69.296518][ T1275] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.305241][ T1275] device bridge_slave_0 left promiscuous mode [ 69.311825][ T1275] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.321839][ T1275] device veth1_macvtap left promiscuous mode [ 69.327877][ T1275] device veth0_macvtap left promiscuous mode [ 69.334945][ T1275] device veth1_vlan left promiscuous mode [ 69.341183][ T1275] device veth0_vlan left promiscuous mode [ 69.437541][ T1275] team0 (unregistering): Port device team_slave_1 removed [ 69.449729][ T1275] team0 (unregistering): Port device team_slave_0 removed [ 69.460568][ T1275] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 69.475165][ T1275] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 69.514963][ T1275] bond0 (unregistering): Released all slaves [ 71.341093][ T1421] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.347816][ T1421] ieee802154 phy1 wpan1: encryption failed: -22 Warning: Permanently added '10.128.1.66' (ED25519) to the list of known hosts. 2026/06/24 15:31:08 parsed 1 programs [ 76.465372][ T7] cfg80211: failed to load regulatory.db [ 78.648212][ T4487] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 81.254174][ T4553] chnl_net:caif_netlink_parms(): no params data found [ 81.360778][ T4553] bridge0: port 1(bridge_slave_0) entered blocking state [ 81.367856][ T4553] bridge0: port 1(bridge_slave_0) entered disabled state [ 81.390213][ T4553] device bridge_slave_0 entered promiscuous mode [ 81.411520][ T4553] bridge0: port 2(bridge_slave_1) entered blocking state [ 81.429815][ T4553] bridge0: port 2(bridge_slave_1) entered disabled state [ 81.440932][ T4553] device bridge_slave_1 entered promiscuous mode [ 81.481825][ T4553] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 81.501205][ T4553] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 81.550959][ T4553] team0: Port device team_slave_0 added [ 81.568236][ T4553] team0: Port device team_slave_1 added [ 81.607730][ T4553] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 81.628729][ T4553] 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. [ 81.678763][ T4553] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 81.700331][ T4553] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 81.707299][ T4553] 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. [ 81.741944][ T4553] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 81.775232][ T4553] device hsr_slave_0 entered promiscuous mode [ 81.782730][ T4553] device hsr_slave_1 entered promiscuous mode [ 82.427265][ T4553] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 82.437371][ T4553] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 82.468198][ T4553] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 82.477569][ T4553] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 82.552779][ T4553] 8021q: adding VLAN 0 to HW filter on device bond0 [ 82.585792][ T4312] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 82.595594][ T4312] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 82.607439][ T4553] 8021q: adding VLAN 0 to HW filter on device team0 [ 82.617906][ T4312] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 82.629427][ T4312] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 82.637935][ T4312] bridge0: port 1(bridge_slave_0) entered blocking state [ 82.645240][ T4312] bridge0: port 1(bridge_slave_0) entered forwarding state [ 82.655014][ T4312] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 82.688906][ T4312] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 82.697486][ T4312] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 82.707916][ T4312] bridge0: port 2(bridge_slave_1) entered blocking state [ 82.715333][ T4312] bridge0: port 2(bridge_slave_1) entered forwarding state [ 82.725657][ T4312] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 82.734429][ T4312] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 82.744860][ T4312] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 82.755037][ T4312] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 82.769358][ T4312] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 82.777731][ T4312] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 82.786652][ T4312] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 82.814004][ T4312] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 82.823439][ T4312] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 82.833995][ T4312] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 82.843512][ T4312] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 82.855183][ T4553] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 83.015028][ T4312] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 83.024641][ T4312] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 83.037167][ T4553] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 83.074755][ T4312] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 83.085601][ T4312] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 83.105254][ T4312] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 83.115579][ T4312] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 83.126487][ T4553] device veth0_vlan entered promiscuous mode [ 83.154279][ T4312] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 83.163118][ T4312] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 83.175575][ T4553] device veth1_vlan entered promiscuous mode [ 83.215708][ T4312] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 83.230556][ T4312] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 83.250481][ T4312] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 83.270304][ T4312] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 83.292002][ T4553] device veth0_macvtap entered promiscuous mode [ 83.303923][ T4553] device veth1_macvtap entered promiscuous mode [ 83.331219][ T4312] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 83.340011][ T4312] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 83.363915][ T4553] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 83.379424][ T4312] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 83.388528][ T4312] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 83.402334][ T4553] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 83.426934][ T308] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 83.436797][ T308] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 83.462061][ T4553] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 83.477208][ T4553] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 83.494408][ T4553] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 83.504020][ T4553] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 83.784120][ T4312] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 83.796920][ T4312] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 83.831517][ T308] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 83.842040][ T144] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 83.858427][ T144] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 83.866312][ T308] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2026/06/24 15:31:17 executed programs: 0 [ 85.030938][ T1275] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 85.047396][ T4745] chnl_net:caif_netlink_parms(): no params data found [ 85.102785][ T4745] bridge0: port 1(bridge_slave_0) entered blocking state [ 85.110330][ T4745] bridge0: port 1(bridge_slave_0) entered disabled state [ 85.119093][ T4745] device bridge_slave_0 entered promiscuous mode [ 85.127609][ T4745] bridge0: port 2(bridge_slave_1) entered blocking state [ 85.135306][ T4745] bridge0: port 2(bridge_slave_1) entered disabled state [ 85.143589][ T4745] device bridge_slave_1 entered promiscuous mode [ 85.167364][ T4745] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 85.179168][ T4745] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 85.209380][ T4745] team0: Port device team_slave_0 added [ 85.217472][ T4745] team0: Port device team_slave_1 added [ 85.239613][ T4745] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 85.246861][ T4745] 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. [ 85.273501][ T4745] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 85.286322][ T4745] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 85.293574][ T4745] 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. [ 85.320063][ T4745] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 85.353967][ T4745] device hsr_slave_0 entered promiscuous mode [ 85.361381][ T4745] device hsr_slave_1 entered promiscuous mode [ 85.368121][ T4745] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 85.376320][ T4745] Cannot create hsr debugfs directory [ 86.938816][ T2362] Bluetooth: hci0: command 0x0409 tx timeout [ 87.813003][ T1275] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 87.993808][ T1275] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 88.073356][ T1275] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 88.961132][ T4745] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 88.970804][ T4745] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 88.979444][ T4745] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 88.988478][ T4745] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 89.022379][ T7] Bluetooth: hci0: command 0x041b tx timeout [ 89.035771][ T4745] 8021q: adding VLAN 0 to HW filter on device bond0 [ 89.053193][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 89.062744][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 89.077349][ T4745] 8021q: adding VLAN 0 to HW filter on device team0 [ 89.087077][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 89.095758][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 89.104573][ T154] bridge0: port 1(bridge_slave_0) entered blocking state [ 89.111746][ T154] bridge0: port 1(bridge_slave_0) entered forwarding state [ 89.119690][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 89.133224][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 89.142092][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 89.152338][ T144] bridge0: port 2(bridge_slave_1) entered blocking state [ 89.159811][ T144] bridge0: port 2(bridge_slave_1) entered forwarding state [ 89.172200][ T1275] device hsr_slave_0 left promiscuous mode [ 89.178427][ T1275] device hsr_slave_1 left promiscuous mode [ 89.185270][ T1275] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 89.193162][ T1275] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 89.201810][ T1275] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 89.209554][ T1275] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 89.217153][ T1275] device bridge_slave_1 left promiscuous mode [ 89.223916][ T1275] bridge0: port 2(bridge_slave_1) entered disabled state [ 89.234654][ T1275] device bridge_slave_0 left promiscuous mode [ 89.241174][ T1275] bridge0: port 1(bridge_slave_0) entered disabled state [ 89.252483][ T1275] device veth1_macvtap left promiscuous mode [ 89.258906][ T1275] device veth0_macvtap left promiscuous mode [ 89.264952][ T1275] device veth1_vlan left promiscuous mode [ 89.270830][ T1275] device veth0_vlan left promiscuous mode [ 89.367612][ T1275] team0 (unregistering): Port device team_slave_1 removed [ 89.379996][ T1275] team0 (unregistering): Port device team_slave_0 removed [ 89.392557][ T1275] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 89.405008][ T1275] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 89.445431][ T1275] bond0 (unregistering): Released all slaves [ 89.493916][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 89.506702][ T4312] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 89.519133][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 89.528157][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 89.537353][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 89.549925][ T4312] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 89.558628][ T4312] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 89.574540][ T4745] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 89.585218][ T4745] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 89.604170][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 89.621766][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 89.632652][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 89.641468][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 89.653665][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 89.703873][ T4312] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 89.711657][ T4312] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 89.723409][ T4745] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 89.738129][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 89.746961][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 89.762897][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 89.771299][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 89.783442][ T4745] device veth0_vlan entered promiscuous mode [ 89.790943][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 89.799670][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 89.810748][ T4745] device veth1_vlan entered promiscuous mode [ 89.826834][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 89.835171][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 89.843878][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 89.852829][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 89.863482][ T4745] device veth0_macvtap entered promiscuous mode [ 89.873619][ T4745] device veth1_macvtap entered promiscuous mode [ 89.886991][ T4745] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 89.894656][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 89.903476][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 89.911615][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 89.920421][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 89.931818][ T4745] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 89.941300][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 89.949964][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 89.961088][ T4745] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 89.971099][ T4745] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 89.981526][ T4745] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 89.990972][ T4745] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 90.045643][ T144] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 90.057060][ T144] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 90.067050][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 90.086522][ T154] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 2026/06/24 15:31:23 executed programs: 2 [ 90.095019][ T154] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 90.105972][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 90.152583][ T4935] [ 90.154936][ T4935] ============================================ [ 90.161198][ T4935] WARNING: possible recursive locking detected [ 90.167437][ T4935] syzkaller #0 Not tainted [ 90.171837][ T4935] -------------------------------------------- [ 90.177977][ T4935] syz.0.16/4935 is trying to acquire lock: [ 90.183770][ T4935] ffff8880721132c0 (&htab->lockdep_key){....}-{2:2}, at: htab_map_delete_elem+0x1b0/0x520 [ 90.193782][ T4935] [ 90.193782][ T4935] but task is already holding lock: [ 90.201311][ T4935] ffff8880721111d8 (&htab->lockdep_key){....}-{2:2}, at: htab_map_update_elem+0x223/0xa40 [ 90.211319][ T4935] [ 90.211319][ T4935] other info that might help us debug this: [ 90.219371][ T4935] Possible unsafe locking scenario: [ 90.219371][ T4935] [ 90.226826][ T4935] CPU0 [ 90.230098][ T4935] ---- [ 90.233361][ T4935] lock(&htab->lockdep_key); [ 90.238025][ T4935] lock(&htab->lockdep_key); [ 90.242685][ T4935] [ 90.242685][ T4935] *** DEADLOCK *** [ 90.242685][ T4935] [ 90.250991][ T4935] May be due to missing lock nesting notation [ 90.250991][ T4935] [ 90.259390][ T4935] 3 locks held by syz.0.16/4935: [ 90.264323][ T4935] #0: ffffffff8c31ef20 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 [ 90.273755][ T4935] #1: ffff8880721111d8 (&htab->lockdep_key){....}-{2:2}, at: htab_map_update_elem+0x223/0xa40 [ 90.284113][ T4935] #2: ffffffff8c31ef20 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 [ 90.293434][ T4935] [ 90.293434][ T4935] stack backtrace: [ 90.299317][ T4935] CPU: 0 PID: 4935 Comm: syz.0.16 Not tainted syzkaller #0 [ 90.306505][ T4935] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 90.316577][ T4935] Call Trace: [ 90.319859][ T4935] [ 90.323052][ T4935] dump_stack_lvl+0x188/0x250 [ 90.327718][ T4935] ? show_regs_print_info+0x20/0x20 [ 90.333449][ T4935] ? load_image+0x410/0x410 [ 90.337989][ T4935] __lock_acquire+0x1247/0x7b50 [ 90.342832][ T4935] ? __lock_acquire+0x1305/0x7b50 [ 90.347855][ T4935] ? verify_lock_unused+0x140/0x140 [ 90.353059][ T4935] lock_acquire+0x19e/0x400 [ 90.357542][ T4935] ? htab_map_delete_elem+0x1b0/0x520 [ 90.362895][ T4935] ? kvm_sched_clock_read+0x14/0x40 [ 90.368081][ T4935] ? read_lock_is_recursive+0x10/0x10 [ 90.373442][ T4935] ? verify_lock_unused+0x140/0x140 [ 90.378635][ T4935] _raw_spin_lock_irqsave+0xb0/0x100 [ 90.384261][ T4935] ? htab_map_delete_elem+0x1b0/0x520 [ 90.389615][ T4935] ? _raw_spin_lock+0x40/0x40 [ 90.394288][ T4935] ? htab_map_hash+0x2b1/0x6d0 [ 90.399137][ T4935] htab_map_delete_elem+0x1b0/0x520 [ 90.404322][ T4935] ? __lock_acquire+0x7b50/0x7b50 [ 90.409416][ T4935] bpf_prog_a5eea3fa43a7ddf4+0x41/0x2b8 [ 90.414960][ T4935] bpf_trace_run4+0x1ac/0x360 [ 90.419707][ T4935] ? bpf_trace_run3+0x350/0x350 [ 90.424622][ T4935] ? obj_cgroup_charge_pages+0xbf/0x190 [ 90.430155][ T4935] __bpf_trace_mm_page_alloc+0xbf/0xf0 [ 90.435600][ T4935] __alloc_pages+0x457/0x480 [ 90.440289][ T4935] ? zone_statistics+0x170/0x170 [ 90.445243][ T4935] kmalloc_large_node+0x7d/0x1a0 [ 90.450302][ T4935] __kmalloc_node+0x21e/0x3a0 [ 90.455167][ T4935] ? __rwlock_init+0x140/0x140 [ 90.459944][ T4935] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 90.465945][ T4935] bpf_map_kmalloc_node+0xba/0x140 [ 90.471081][ T4935] alloc_htab_elem+0x2e3/0xad0 [ 90.476089][ T4935] ? _raw_spin_lock+0x40/0x40 [ 90.480747][ T4935] htab_map_update_elem+0x3c1/0xa40 [ 90.485935][ T4935] bpf_map_update_value+0x57c/0x650 [ 90.491117][ T4935] generic_map_update_batch+0x52c/0x7d0 [ 90.496738][ T4935] ? rcu_read_unlock+0x90/0x90 [ 90.501486][ T4935] ? __fdget+0x18b/0x210 [ 90.505708][ T4935] ? rcu_read_unlock+0x90/0x90 [ 90.510462][ T4935] bpf_map_do_batch+0x475/0x5f0 [ 90.515293][ T4935] ? bpf_lsm_xfrm_state_delete_security+0x10/0x10 [ 90.521691][ T4935] __sys_bpf+0x671/0x6f0 [ 90.525919][ T4935] ? bpf_link_show_fdinfo+0x380/0x380 [ 90.531275][ T4935] __x64_sys_bpf+0x78/0x90 [ 90.535678][ T4935] do_syscall_64+0x4c/0xa0 [ 90.540081][ T4935] ? clear_bhb_loop+0x30/0x80 [ 90.544735][ T4935] ? clear_bhb_loop+0x30/0x80 [ 90.549393][ T4935] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 90.555281][ T4935] RIP: 0033:0x7f620787a0b9 [ 90.559803][ T4935] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 [ 90.580487][ T4935] RSP: 002b:00007f6206adf028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 90.589506][ T4935] RAX: ffffffffffffffda RBX: 00007f6207aa6fa0 RCX: 00007f620787a0b9 [ 90.597499][ T4935] RDX: 0000000000000038 RSI: 0000200000000300 RDI: 000000000000001a [ 90.605461][ T4935] RBP: 00007f620790c9c4 R08: 0000000000000000 R09: 0000000000000000 [ 90.613418][ T4935] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 90.621462][ T4935] R13: 0000000000000000 R14: 00007f6207aa6fa0 R15: 00007ffef6370088 [ 90.629427][ T4935] [ 91.099474][ T2362] Bluetooth: hci0: command 0x040f tx timeout [ 93.189112][ T4272] Bluetooth: hci0: command 0x0419 tx timeout 2026/06/24 15:31:28 executed programs: 97 2026/06/24 15:31:33 executed programs: 206