Warning: Permanently added '10.128.1.151' (ED25519) to the list of known hosts.
2026/05/29 10:39:03 parsed 1 programs
[ 53.100619][ T4200] cgroup: Unknown subsys name 'net'
[ 53.207009][ T4200] cgroup: Unknown subsys name 'rlimit'
Setting up swapspace version 1, size = 127995904 bytes
[ 54.505572][ T4200] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS
[ 55.956541][ T4219] chnl_net:caif_netlink_parms(): no params data found
[ 55.998247][ T4219] bridge0: port 1(bridge_slave_0) entered blocking state
[ 56.006604][ T4219] bridge0: port 1(bridge_slave_0) entered disabled state
[ 56.014929][ T4219] device bridge_slave_0 entered promiscuous mode
[ 56.024492][ T4219] bridge0: port 2(bridge_slave_1) entered blocking state
[ 56.031689][ T4219] bridge0: port 2(bridge_slave_1) entered disabled state
[ 56.039845][ T4219] device bridge_slave_1 entered promiscuous mode
[ 56.061851][ T4219] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 56.073010][ T4219] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 56.093140][ T4219] team0: Port device team_slave_0 added
[ 56.100672][ T4219] team0: Port device team_slave_1 added
[ 56.115862][ T4219] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 56.123015][ T4219] 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.
[ 56.149820][ T4219] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 56.165254][ T4219] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 56.172455][ T4219] 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.
[ 56.199019][ T4219] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 56.232359][ T4219] device hsr_slave_0 entered promiscuous mode
[ 56.239489][ T4219] device hsr_slave_1 entered promiscuous mode
[ 56.324845][ T4219] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 56.335292][ T4219] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 56.345286][ T4219] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 56.354871][ T4219] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 56.377667][ T4219] bridge0: port 2(bridge_slave_1) entered blocking state
[ 56.385016][ T4219] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 56.393010][ T4219] bridge0: port 1(bridge_slave_0) entered blocking state
[ 56.400092][ T4219] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 56.443551][ T4219] 8021q: adding VLAN 0 to HW filter on device bond0
[ 56.455707][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 56.467063][ T9] bridge0: port 1(bridge_slave_0) entered disabled state
[ 56.476499][ T9] bridge0: port 2(bridge_slave_1) entered disabled state
[ 56.485445][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[ 56.498656][ T4219] 8021q: adding VLAN 0 to HW filter on device team0
[ 56.509570][ T1261] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 56.518245][ T1261] bridge0: port 1(bridge_slave_0) entered blocking state
[ 56.525471][ T1261] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 56.548978][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 56.561725][ T9] bridge0: port 2(bridge_slave_1) entered blocking state
[ 56.569025][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 56.577963][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 56.597641][ T4219] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network
[ 56.610747][ T4219] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network
[ 56.624615][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 56.633706][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 56.642402][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 56.652654][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 56.666177][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 56.774332][ T150] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 56.784326][ T150] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 56.798585][ T4219] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 56.820836][ T150] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 56.843733][ T150] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 56.853309][ T150] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 56.861761][ T150] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 56.872252][ T4219] device veth0_vlan entered promiscuous mode
[ 56.886397][ T4219] device veth1_vlan entered promiscuous mode
[ 56.912648][ T150] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 56.922306][ T150] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 56.930860][ T150] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 56.942883][ T4219] device veth0_macvtap entered promiscuous mode
[ 56.951031][ T150] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 56.962518][ T4219] device veth1_macvtap entered promiscuous mode
[ 56.985659][ T4219] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 56.994229][ T150] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 57.004260][ T150] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 57.016132][ T4219] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 57.024875][ T150] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 57.034261][ T150] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 57.046682][ T4219] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 57.056684][ T4219] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 57.065797][ T4219] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 57.075257][ T4219] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 57.799201][ T144] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 58.668677][ T1261] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 58.676755][ T1261] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 58.686904][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 58.709133][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 58.717007][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 58.726536][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
2026/05/29 10:39:10 executed programs: 0
[ 59.303519][ T4289] chnl_net:caif_netlink_parms(): no params data found
[ 59.341087][ T4289] bridge0: port 1(bridge_slave_0) entered blocking state
[ 59.348366][ T4289] bridge0: port 1(bridge_slave_0) entered disabled state
[ 59.356300][ T4289] device bridge_slave_0 entered promiscuous mode
[ 59.364177][ T4289] bridge0: port 2(bridge_slave_1) entered blocking state
[ 59.371465][ T4289] bridge0: port 2(bridge_slave_1) entered disabled state
[ 59.379887][ T4289] device bridge_slave_1 entered promiscuous mode
[ 59.397249][ T4289] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 59.409390][ T4289] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 59.430250][ T4289] team0: Port device team_slave_0 added
[ 59.437481][ T4289] team0: Port device team_slave_1 added
[ 59.453848][ T4289] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 59.460983][ T4289] 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.
[ 59.487329][ T4289] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 59.499799][ T4289] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 59.507038][ T4289] 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.
[ 59.533347][ T4289] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 59.560507][ T4289] device hsr_slave_0 entered promiscuous mode
[ 59.567557][ T4289] device hsr_slave_1 entered promiscuous mode
[ 59.574784][ T4289] debugfs: Directory 'hsr0' with parent 'hsr' already present!
[ 59.583106][ T4289] Cannot create hsr debugfs directory
[ 60.194877][ T144] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 61.259250][ T4216] Bluetooth: hci0: command 0x0409 tx timeout
[ 62.203298][ T144] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 62.255824][ T144] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 63.097915][ T4289] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 63.108016][ T4289] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 63.117571][ T4289] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 63.127942][ T4289] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 63.181027][ T4289] 8021q: adding VLAN 0 to HW filter on device bond0
[ 63.198773][ T144] device hsr_slave_0 left promiscuous mode
[ 63.205377][ T144] device hsr_slave_1 left promiscuous mode
[ 63.212293][ T144] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[ 63.220206][ T144] batman_adv: batadv0: Removing interface: batadv_slave_0
[ 63.229067][ T144] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[ 63.236613][ T144] batman_adv: batadv0: Removing interface: batadv_slave_1
[ 63.244733][ T144] device bridge_slave_1 left promiscuous mode
[ 63.251947][ T144] bridge0: port 2(bridge_slave_1) entered disabled state
[ 63.268514][ T144] device bridge_slave_0 left promiscuous mode
[ 63.274700][ T144] bridge0: port 1(bridge_slave_0) entered disabled state
[ 63.292726][ T144] device veth1_macvtap left promiscuous mode
[ 63.298997][ T144] device veth0_macvtap left promiscuous mode
[ 63.305031][ T144] device veth1_vlan left promiscuous mode
[ 63.311320][ T144] device veth0_vlan left promiscuous mode
[ 63.339184][ T4309] Bluetooth: hci0: command 0x041b tx timeout
[ 63.445737][ T144] team0 (unregistering): Port device team_slave_1 removed
[ 63.457560][ T144] team0 (unregistering): Port device team_slave_0 removed
[ 63.474424][ T144] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[ 63.487435][ T144] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[ 63.534878][ T144] bond0 (unregistering): Released all slaves
[ 63.578739][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 63.586499][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 63.598340][ T4289] 8021q: adding VLAN 0 to HW filter on device team0
[ 63.607399][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 63.617816][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 63.626467][ T155] bridge0: port 1(bridge_slave_0) entered blocking state
[ 63.633560][ T155] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 63.658500][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[ 63.666684][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 63.676578][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 63.686784][ T155] bridge0: port 2(bridge_slave_1) entered blocking state
[ 63.693943][ T155] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 63.702634][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[ 63.711279][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[ 63.720077][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
[ 63.729686][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 63.739205][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[ 63.748037][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 63.756837][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 63.771398][ T4289] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network
[ 63.789276][ T4289] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network
[ 63.808373][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[ 63.817057][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 63.826261][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[ 63.835574][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 63.844314][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 63.903156][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 63.911312][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 63.922956][ T4289] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 63.937285][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 63.946411][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 63.967107][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 63.976169][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 63.984787][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 63.992573][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 64.010764][ T4289] device veth0_vlan entered promiscuous mode
[ 64.030148][ T4289] device veth1_vlan entered promiscuous mode
[ 64.055029][ T150] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 64.064851][ T150] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 64.074187][ T150] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 64.084897][ T150] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 64.096938][ T4289] device veth0_macvtap entered promiscuous mode
[ 64.108731][ T4289] device veth1_macvtap entered promiscuous mode
[ 64.127829][ T4289] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 64.136427][ T150] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 64.145461][ T150] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[ 64.154388][ T150] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 64.164042][ T150] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 64.176840][ T4289] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 64.184663][ T150] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 64.194568][ T150] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 64.206181][ T4289] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 64.215585][ T4289] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 64.225769][ T4289] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 64.235221][ T4289] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 64.307466][ T150] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 64.327364][ T150] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 64.335292][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 64.360265][ T150] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 64.368121][ T150] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 64.376264][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
2026/05/29 10:39:16 executed programs: 2
[ 64.529292][ C1]
[ 64.532024][ C1] ============================================
[ 64.538256][ C1] WARNING: possible recursive locking detected
[ 64.544400][ C1] syzkaller #0 Not tainted
[ 64.548796][ C1] --------------------------------------------
[ 64.554933][ C1] kworker/u4:1/144 is trying to acquire lock:
[ 64.561069][ C1] ffff8880798aa098 (_xmit_ETHER#2){+.-.}-{2:2}, at: __dev_queue_xmit+0x14b5/0x2f80
[ 64.570389][ C1]
[ 64.570389][ C1] but task is already holding lock:
[ 64.577744][ C1] ffff88807a9ca098 (_xmit_ETHER#2){+.-.}-{2:2}, at: sch_direct_xmit+0x162/0x4b0
[ 64.587153][ C1]
[ 64.587153][ C1] other info that might help us debug this:
[ 64.595323][ C1] Possible unsafe locking scenario:
[ 64.595323][ C1]
[ 64.602848][ C1] CPU0
[ 64.606111][ C1] ----
[ 64.609459][ C1] lock(_xmit_ETHER#2);
[ 64.613690][ C1] lock(_xmit_ETHER#2);
[ 64.617922][ C1]
[ 64.617922][ C1] *** DEADLOCK ***
[ 64.617922][ C1]
[ 64.626048][ C1] May be due to missing lock nesting notation
[ 64.626048][ C1]
[ 64.634351][ C1] 12 locks held by kworker/u4:1/144:
[ 64.639697][ C1] #0: ffff888016dcd938 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x761/0x1010
[ 64.650040][ C1] #1: ffffc900016cfd00 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x79f/0x1010
[ 64.659954][ C1] #2: ffffffff8d431cd0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x148/0xba0
[ 64.669695][ C1] #3: ffffc90000dd0be0 ((&in_dev->mr_ifc_timer)){+.-.}-{0:0}, at: call_timer_fn+0xca/0x540
[ 64.679976][ C1] #4: ffffffff8c31f320 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x9/0x30
[ 64.689377][ C1] #5: ffffffff8c31f380 (rcu_read_lock_bh){....}-{1:2}, at: rcu_lock_acquire+0x9/0x30
[ 64.698937][ C1] #6: ffffffff8c31f380 (rcu_read_lock_bh){....}-{1:2}, at: rcu_lock_acquire+0x9/0x30
[ 64.708622][ C1] #7: ffff88807b7eb258 (dev->qdisc_tx_busylock ?: &qdisc_tx_busylock){+...}-{2:2}, at: __dev_queue_xmit+0x1120/0x2f80
[ 64.721316][ C1] #8: ffff88807a9ca098 (_xmit_ETHER#2){+.-.}-{2:2}, at: sch_direct_xmit+0x162/0x4b0
[ 64.730891][ C1] #9: ffffffff8c31f320 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x9/0x30
[ 64.740342][ C1] #10: ffffffff8c31f380 (rcu_read_lock_bh){....}-{1:2}, at: rcu_lock_acquire+0x9/0x30
[ 64.750157][ C1] #11: ffffffff8c31f380 (rcu_read_lock_bh){....}-{1:2}, at: rcu_lock_acquire+0x9/0x30
[ 64.760000][ C1]
[ 64.760000][ C1] stack backtrace:
[ 64.765896][ C1] CPU: 1 PID: 144 Comm: kworker/u4:1 Not tainted syzkaller #0
[ 64.773339][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 64.783557][ C1] Workqueue: netns cleanup_net
[ 64.788342][ C1] Call Trace:
[ 64.791610][ C1]
[ 64.794447][ C1] dump_stack_lvl+0x188/0x250
[ 64.799204][ C1] ? show_regs_print_info+0x20/0x20
[ 64.804504][ C1] ? load_image+0x400/0x400
[ 64.809002][ C1] __lock_acquire+0x1236/0x7d10
[ 64.814132][ C1] ? kasan_record_aux_stack+0xb8/0x100
[ 64.819587][ C1] ? ip_finish_output2+0xcbf/0x10a0
[ 64.824956][ C1] ? call_timer_fn+0x17b/0x540
[ 64.829717][ C1] ? __irq_exit_rcu+0x13b/0x230
[ 64.834559][ C1] ? sysvec_apic_timer_interrupt+0xa0/0xc0
[ 64.840537][ C1] ? asm_sysvec_apic_timer_interrupt+0x16/0x20
[ 64.846784][ C1] ? lock_acquire+0x1/0x400
[ 64.851451][ C1] ? rcu_lock_acquire+0x2a/0x30
[ 64.856454][ C1] ? inet_twsk_purge+0x119/0x840
[ 64.861395][ C1] ? cleanup_net+0x791/0xba0
[ 64.865981][ C1] ? process_one_work+0x85f/0x1010
[ 64.871173][ C1] ? verify_lock_unused+0x140/0x140
[ 64.876624][ C1] ? skb_network_protocol+0x51d/0x770
[ 64.881984][ C1] ? validate_xmit_xfrm+0xb2/0x1010
[ 64.887175][ C1] ? cpu_online+0x30/0x30
[ 64.891492][ C1] ? rcu_lock_release+0x20/0x20
[ 64.896333][ C1] lock_acquire+0x19e/0x400
[ 64.900916][ C1] ? __dev_queue_xmit+0x14b5/0x2f80
[ 64.906117][ C1] ? validate_xmit_skb+0x7b3/0xe40
[ 64.911238][ C1] ? read_lock_is_recursive+0x10/0x10
[ 64.916716][ C1] ? validate_xmit_skb_list+0x120/0x120
[ 64.922365][ C1] _raw_spin_lock+0x2a/0x40
[ 64.926856][ C1] ? __dev_queue_xmit+0x14b5/0x2f80
[ 64.932048][ C1] __dev_queue_xmit+0x14b5/0x2f80
[ 64.937065][ C1] ? lockdep_hardirqs_on+0x94/0x140
[ 64.942351][ C1] ? dev_queue_xmit+0x20/0x20
[ 64.947016][ C1] ? eth_header+0x117/0x200
[ 64.951517][ C1] ? llc_sysctl_exit+0x60/0x60
[ 64.956265][ C1] ? neigh_resolve_output+0x5d7/0x6a0
[ 64.961760][ C1] ip_finish_output2+0xcbf/0x10a0
[ 64.966794][ C1] ? __ip_local_out+0x5e0/0x5e0
[ 64.971670][ C1] ? ip_fragment+0x210/0x210
[ 64.976348][ C1] ? ip_mc_finish_output+0x250/0x250
[ 64.981798][ C1] ? rcu_force_quiescent_state+0x230/0x230
[ 64.987684][ C1] ? ip_skb_dst_mtu+0x584/0x9b0
[ 64.992614][ C1] ? ip_finish_output+0x3e8/0x4b0
[ 64.997630][ C1] ip_output+0x2c0/0x3e0
[ 65.001859][ C1] iptunnel_xmit+0x4d6/0x8e0
[ 65.006884][ C1] ip_tunnel_xmit+0x1905/0x2280
[ 65.012184][ C1] ? ip4_dst_hoplimit+0x2a0/0x2a0
[ 65.017213][ C1] ? gre_build_header+0x25b/0x8c0
[ 65.022386][ C1] erspan_xmit+0x9d5/0x15a0
[ 65.026899][ C1] dev_hard_start_xmit+0x2a5/0x7e0
[ 65.032097][ C1] sch_direct_xmit+0x25a/0x4b0
[ 65.036848][ C1] ? mrp_pdu_append_vecattr_event+0x1590/0x1590
[ 65.043167][ C1] ? lockdep_hardirqs_on_prepare+0x409/0x770
[ 65.049142][ C1] __dev_queue_xmit+0x179f/0x2f80
[ 65.054158][ C1] ? lockdep_hardirqs_on+0x94/0x140
[ 65.059440][ C1] ? dev_queue_xmit+0x20/0x20
[ 65.064110][ C1] ? eth_header+0x117/0x200
[ 65.068607][ C1] ? llc_sysctl_exit+0x60/0x60
[ 65.073351][ C1] ? neigh_resolve_output+0x5d7/0x6a0
[ 65.078812][ C1] ip_finish_output2+0xcbf/0x10a0
[ 65.083831][ C1] ? __ip_local_out+0x5e0/0x5e0
[ 65.088662][ C1] ? ip_fragment+0x210/0x210
[ 65.093437][ C1] ? ip_mc_finish_output+0x250/0x250
[ 65.098803][ C1] ? ip_skb_dst_mtu+0x584/0x9b0
[ 65.103868][ C1] ? ip_finish_output+0x3e8/0x4b0
[ 65.108903][ C1] ip_output+0x2c0/0x3e0
[ 65.113142][ C1] igmp_ifc_timer_expire+0xb76/0xda0
[ 65.118419][ C1] ? igmp_gq_timer_expire+0xe0/0xe0
[ 65.123602][ C1] call_timer_fn+0x17b/0x540
[ 65.128185][ C1] ? igmp_gq_timer_expire+0xe0/0xe0
[ 65.133688][ C1] ? __run_timers+0x800/0x800
[ 65.138362][ C1] ? _raw_spin_unlock_irq+0x1f/0x40
[ 65.143611][ C1] ? lockdep_hardirqs_on+0x94/0x140
[ 65.148798][ C1] ? igmp_gq_timer_expire+0xe0/0xe0
[ 65.153984][ C1] __run_timers+0x53e/0x800
[ 65.158571][ C1] ? detach_timer+0x2b0/0x2b0
[ 65.163235][ C1] ? lockdep_hardirqs_on_prepare+0x409/0x770
[ 65.169221][ C1] ? sched_clock_cpu+0x15/0x3c0
[ 65.174058][ C1] ? ktime_get_real_ts64+0x440/0x440
[ 65.179416][ C1] run_timer_softirq+0x63/0xf0
[ 65.184186][ C1] handle_softirqs+0x339/0x830
[ 65.189049][ C1] ? __irq_exit_rcu+0x13b/0x230
[ 65.193991][ C1] ? do_softirq+0x210/0x210
[ 65.198566][ C1] __irq_exit_rcu+0x13b/0x230
[ 65.203225][ C1] ? irq_exit_rcu+0x20/0x20
[ 65.207717][ C1] irq_exit_rcu+0x5/0x20
[ 65.211941][ C1] sysvec_apic_timer_interrupt+0xa0/0xc0
[ 65.217654][ C1]
[ 65.220582][ C1]
[ 65.223584][ C1] asm_sysvec_apic_timer_interrupt+0x16/0x20
[ 65.229561][ C1] RIP: 0010:lock_acquire+0x1/0x400
[ 65.234664][ C1] Code: 8d e8 e3 42 61 00 e9 2b fb ff ff 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 65 8b 05 c1 5d a5 7e a9 00 ff ff 00 0f 95 c0 c3 55 <48> 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 48 81 ec e0 00 00
[ 65.254298][ C1] RSP: 0018:ffffc900016cfa20 EFLAGS: 00000246
[ 65.260452][ C1] RAX: ffffffff8863f27a RBX: ffffffff966d0340 RCX: 0000000000000002
[ 65.268409][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8c31f320
[ 65.276365][ C1] RBP: ffffc900016cfb50 R08: 0000000000000000 R09: 0000000000000000
[ 65.284321][ C1] R10: dffffc0000000000 R11: fffffbfff1b13f06 R12: 000000000001240d
[ 65.292587][ C1] R13: dffffc0000000000 R14: ffff88814cc92070 R15: ffffffff8d618f00
[ 65.300561][ C1] ? rcu_lock_acquire+0xa/0x30
[ 65.305418][ C1] rcu_lock_acquire+0x2a/0x30
[ 65.310087][ C1] ? rcu_lock_acquire+0x5/0x30
[ 65.314843][ C1] inet_twsk_purge+0x119/0x840
[ 65.319614][ C1] ? __inet_twsk_schedule+0x130/0x130
[ 65.324990][ C1] ? iput+0x706/0x8a0
[ 65.328970][ C1] ? dccp_v4_exit_net+0x80/0x80
[ 65.333808][ C1] cleanup_net+0x791/0xba0
[ 65.338211][ C1] ? ops_free_list+0x330/0x330
[ 65.343060][ C1] ? _raw_spin_unlock_irqrestore+0xc1/0x120
[ 65.348936][ C1] ? _raw_spin_unlock+0x40/0x40
[ 65.353772][ C1] ? _raw_spin_unlock_irq+0x1f/0x40
[ 65.359049][ C1] process_one_work+0x85f/0x1010
[ 65.363976][ C1] ? worker_detach_from_pool+0x240/0x240
[ 65.369686][ C1] ? lockdep_hardirqs_off+0x70/0x100
[ 65.375046][ C1] ? _raw_spin_lock_irq+0xb7/0xf0
[ 65.380146][ C1] ? _raw_spin_lock_irqsave+0x100/0x100
[ 65.385674][ C1] ? wq_worker_running+0x97/0x170
[ 65.390684][ C1] worker_thread+0xaa6/0x1290
[ 65.395351][ C1] kthread+0x436/0x520
[ 65.399405][ C1] ? rcu_lock_release+0x20/0x20
[ 65.404332][ C1] ? kthread_blkcg+0xd0/0xd0
[ 65.408926][ C1] ret_from_fork+0x1f/0x30
[ 65.413331][ C1]
[ 65.421319][ T4309] Bluetooth: hci0: command 0x040f tx timeout
[ 67.498362][ T4309] Bluetooth: hci0: command 0x0419 tx timeout
2026/05/29 10:39:21 executed programs: 241
[ 71.420281][ T1422] ieee802154 phy0 wpan0: encryption failed: -22
[ 71.426727][ T1422] ieee802154 phy1 wpan1: encryption failed: -22
2026/05/29 10:39:26 executed programs: 536