Warning: Permanently added '10.128.1.82' (ED25519) to the list of known hosts. 2025/12/27 18:15:05 parsed 1 programs [ 71.598355][ T5769] cgroup: Unknown subsys name 'net' [ 71.759830][ T5769] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 73.264525][ T5769] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 75.751072][ T5808] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 75.760497][ T5808] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 75.768539][ T5808] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 75.778268][ T5808] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 75.798661][ T5808] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 75.810046][ T5808] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 76.669328][ T5821] chnl_net:caif_netlink_parms(): no params data found [ 76.748440][ T5821] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.755699][ T5821] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.762849][ T5821] bridge_slave_0: entered allmulticast mode [ 76.769916][ T5821] bridge_slave_0: entered promiscuous mode [ 76.778624][ T5821] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.785859][ T5821] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.793036][ T5821] bridge_slave_1: entered allmulticast mode [ 76.799943][ T5821] bridge_slave_1: entered promiscuous mode [ 76.828321][ T5821] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 76.840718][ T5821] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 76.876151][ T5821] team0: Port device team_slave_0 added [ 76.890453][ T5821] team0: Port device team_slave_1 added [ 76.922916][ T5821] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 76.930358][ T5821] 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. [ 76.957006][ T5821] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 76.969740][ T5821] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 76.976816][ T5821] 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. [ 77.002747][ T5821] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 77.051075][ T5821] hsr_slave_0: entered promiscuous mode [ 77.057391][ T5821] hsr_slave_1: entered promiscuous mode [ 77.219379][ T5821] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 77.230536][ T5821] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 77.241122][ T5821] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 77.255350][ T5821] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 77.282608][ T5821] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.289929][ T5821] bridge0: port 2(bridge_slave_1) entered forwarding state [ 77.297771][ T5821] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.304936][ T5821] bridge0: port 1(bridge_slave_0) entered forwarding state [ 77.361500][ T5821] 8021q: adding VLAN 0 to HW filter on device bond0 [ 77.398923][ T59] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.407566][ T59] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.435661][ T5821] 8021q: adding VLAN 0 to HW filter on device team0 [ 77.448562][ T1304] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.455686][ T1304] bridge0: port 1(bridge_slave_0) entered forwarding state [ 77.478248][ T998] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.485370][ T998] bridge0: port 2(bridge_slave_1) entered forwarding state [ 77.671222][ T5821] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 77.726073][ T5821] veth0_vlan: entered promiscuous mode [ 77.737572][ T5821] veth1_vlan: entered promiscuous mode [ 77.775373][ T5821] veth0_macvtap: entered promiscuous mode [ 77.784708][ T5821] veth1_macvtap: entered promiscuous mode [ 77.801013][ T5821] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 77.815899][ T5821] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 77.838438][ T5821] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.848275][ T5821] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.857133][ T5821] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.866132][ T5821] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.069011][ T11] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 78.127983][ T49] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 78.136573][ T49] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 78.166025][ T49] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 78.174356][ T49] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 2025/12/27 18:15:15 executed programs: 0 [ 79.601451][ T5080] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 79.610811][ T5080] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 79.620080][ T5080] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 79.628981][ T5080] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 79.637232][ T5080] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 79.645198][ T5080] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 79.786939][ T5878] chnl_net:caif_netlink_parms(): no params data found [ 79.850373][ T5878] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.857608][ T5878] bridge0: port 1(bridge_slave_0) entered disabled state [ 79.865335][ T5878] bridge_slave_0: entered allmulticast mode [ 79.872133][ T5878] bridge_slave_0: entered promiscuous mode [ 79.880619][ T5878] bridge0: port 2(bridge_slave_1) entered blocking state [ 79.888090][ T5878] bridge0: port 2(bridge_slave_1) entered disabled state [ 79.895310][ T5878] bridge_slave_1: entered allmulticast mode [ 79.902148][ T5878] bridge_slave_1: entered promiscuous mode [ 79.929805][ T5878] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 79.941104][ T5878] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 79.972654][ T5878] team0: Port device team_slave_0 added [ 79.980299][ T5878] team0: Port device team_slave_1 added [ 80.005718][ T5878] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 80.012754][ T5878] 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. [ 80.039035][ T5878] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 80.052841][ T5878] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 80.060374][ T5878] 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. [ 80.087242][ T5878] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 80.126708][ T5878] hsr_slave_0: entered promiscuous mode [ 80.132934][ T5878] hsr_slave_1: entered promiscuous mode [ 80.139064][ T5878] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 80.147291][ T5878] Cannot create hsr debugfs directory [ 80.822456][ T11] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 81.684496][ T5080] Bluetooth: hci0: command tx timeout [ 83.063117][ T11] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 83.137449][ T11] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 83.764320][ T5080] Bluetooth: hci0: command tx timeout [ 84.042770][ T5878] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 84.066861][ T11] hsr_slave_0: left promiscuous mode [ 84.076583][ T11] hsr_slave_1: left promiscuous mode [ 84.085362][ T11] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 84.092814][ T11] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 84.101251][ T11] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 84.108831][ T11] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 84.117387][ T11] bridge_slave_1: left allmulticast mode [ 84.123657][ T11] bridge_slave_1: left promiscuous mode [ 84.129538][ T11] bridge0: port 2(bridge_slave_1) entered disabled state [ 84.140801][ T11] bridge_slave_0: left allmulticast mode [ 84.147337][ T11] bridge_slave_0: left promiscuous mode [ 84.153707][ T11] bridge0: port 1(bridge_slave_0) entered disabled state [ 84.176918][ T11] veth1_macvtap: left promiscuous mode [ 84.182595][ T11] veth0_macvtap: left promiscuous mode [ 84.188306][ T11] veth1_vlan: left promiscuous mode [ 84.193808][ T11] veth0_vlan: left promiscuous mode [ 84.550461][ T11] team0 (unregistering): Port device team_slave_1 removed [ 84.581574][ T11] team0 (unregistering): Port device team_slave_0 removed [ 84.609638][ T11] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 84.638528][ T11] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 84.889747][ T11] bond0 (unregistering): Released all slaves [ 84.967242][ T5878] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 84.977052][ T5878] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 84.990709][ T5878] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 85.078164][ T5878] 8021q: adding VLAN 0 to HW filter on device bond0 [ 85.108889][ T5878] 8021q: adding VLAN 0 to HW filter on device team0 [ 85.120447][ T38] bridge0: port 1(bridge_slave_0) entered blocking state [ 85.127563][ T38] bridge0: port 1(bridge_slave_0) entered forwarding state [ 85.140329][ T998] bridge0: port 2(bridge_slave_1) entered blocking state [ 85.147437][ T998] bridge0: port 2(bridge_slave_1) entered forwarding state [ 85.348393][ T5878] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 85.402781][ T5878] veth0_vlan: entered promiscuous mode [ 85.425602][ T5878] veth1_vlan: entered promiscuous mode [ 85.472733][ T5878] veth0_macvtap: entered promiscuous mode [ 85.482247][ T5878] veth1_macvtap: entered promiscuous mode [ 85.503837][ T5878] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 85.516718][ T5878] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 85.528004][ T5878] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 85.537271][ T5878] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 85.546508][ T5878] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 85.555482][ T5878] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 85.631211][ T38] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 85.642072][ T38] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 85.685172][ T1304] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 85.697571][ T1304] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 2025/12/27 18:15:21 executed programs: 2 [ 85.843396][ T5080] Bluetooth: hci0: command tx timeout [ 86.019607][ T11] [ 86.021975][ T11] ============================================ [ 86.028142][ T11] WARNING: possible recursive locking detected [ 86.034294][ T11] syzkaller #0 Not tainted [ 86.038715][ T11] -------------------------------------------- [ 86.044872][ T11] kworker/u4:0/11 is trying to acquire lock: [ 86.050846][ T11] ffff8880b8f29370 (krc.lock){..-.}-{2:2}, at: kvfree_call_rcu+0x15a/0x780 [ 86.059481][ T11] [ 86.059481][ T11] but task is already holding lock: [ 86.066845][ T11] ffff8880b8f29370 (krc.lock){..-.}-{2:2}, at: kvfree_call_rcu+0x15a/0x780 [ 86.075460][ T11] [ 86.075460][ T11] other info that might help us debug this: [ 86.083517][ T11] Possible unsafe locking scenario: [ 86.083517][ T11] [ 86.090962][ T11] CPU0 [ 86.094332][ T11] ---- [ 86.097617][ T11] lock(krc.lock); [ 86.101430][ T11] lock(krc.lock); [ 86.105243][ T11] [ 86.105243][ T11] *** DEADLOCK *** [ 86.105243][ T11] [ 86.113389][ T11] May be due to missing lock nesting notation [ 86.113389][ T11] [ 86.121709][ T11] 7 locks held by kworker/u4:0/11: [ 86.126816][ T11] #0: ffff888017873938 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x957/0x15b0 [ 86.137693][ T11] #1: ffffc90000107d00 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x957/0x15b0 [ 86.148256][ T11] #2: ffffffff8dfa8610 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x136/0xb90 [ 86.157699][ T11] #3: ffffffff8dfb5448 (rtnl_mutex){+.+.}-{3:3}, at: ip_tunnel_delete_nets+0xcc/0x360 [ 86.167358][ T11] #4: ffff8880b8f29370 (krc.lock){..-.}-{2:2}, at: kvfree_call_rcu+0x15a/0x780 [ 86.176424][ T11] #5: ffff8880b8f29598 (&base->lock){-.-.}-{2:2}, at: lock_timer_base+0x123/0x270 [ 86.185829][ T11] #6: ffffffff8cd2ff20 (rcu_read_lock){....}-{1:2}, at: bpf_trace_run3+0xf4/0x400 [ 86.195139][ T11] [ 86.195139][ T11] stack backtrace: [ 86.201038][ T11] CPU: 1 PID: 11 Comm: kworker/u4:0 Not tainted syzkaller #0 [ 86.208410][ T11] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 86.218465][ T11] Workqueue: netns cleanup_net [ 86.223249][ T11] Call Trace: [ 86.226533][ T11] [ 86.229469][ T11] dump_stack_lvl+0x16c/0x230 [ 86.234168][ T11] ? show_regs_print_info+0x20/0x20 [ 86.239398][ T11] ? print_deadlock_bug+0x435/0x5d0 [ 86.244611][ T11] __lock_acquire+0x5d40/0x7c80 [ 86.249476][ T11] ? stack_trace_snprint+0xf0/0xf0 [ 86.254591][ T11] ? __stack_depot_save+0x560/0x630 [ 86.259790][ T11] ? verify_lock_unused+0x140/0x140 [ 86.265008][ T11] ? kasan_save_stack+0x4d/0x60 [ 86.269866][ T11] ? kasan_save_stack+0x3e/0x60 [ 86.274717][ T11] ? __kasan_record_aux_stack+0xaf/0xc0 [ 86.280270][ T11] ? kvfree_call_rcu+0xee/0x780 [ 86.285127][ T11] ? trie_delete_elem+0x535/0x6a0 [ 86.290158][ T11] ? bpf_prog_2c29ac5cdc6b1842+0x42/0x46 [ 86.295801][ T11] ? bpf_trace_run3+0x1e7/0x400 [ 86.300660][ T11] ? __bpf_trace_timer_start+0x14a/0x1b0 [ 86.306318][ T11] ? enqueue_timer+0x398/0x530 [ 86.311084][ T11] ? __mod_timer+0x977/0xdb0 [ 86.315685][ T11] ? mod_delayed_work_on+0xc7/0x1a0 [ 86.320885][ T11] ? kvfree_call_rcu+0x541/0x780 [ 86.325828][ T11] ? batadv_hard_if_event+0x7e1/0x15b0 [ 86.331299][ T11] ? notifier_call_chain+0x197/0x390 [ 86.336587][ T11] ? unregister_netdevice_many_notify+0xf36/0x1810 [ 86.343097][ T11] ? ip_tunnel_delete_nets+0x31c/0x360 [ 86.348557][ T11] ? cleanup_net+0x77f/0xb90 [ 86.353178][ T11] ? process_scheduled_works+0xa45/0x15b0 [ 86.358936][ T11] ? worker_thread+0xa55/0xfc0 [ 86.363702][ T11] ? kthread+0x2fa/0x390 [ 86.367946][ T11] ? ret_from_fork+0x48/0x80 [ 86.372543][ T11] lock_acquire+0x197/0x410 [ 86.377054][ T11] ? kvfree_call_rcu+0x15a/0x780 [ 86.382010][ T11] ? read_lock_is_recursive+0x20/0x20 [ 86.387388][ T11] ? __phys_addr+0xba/0x170 [ 86.391895][ T11] _raw_spin_lock+0x2e/0x40 [ 86.396406][ T11] ? kvfree_call_rcu+0x15a/0x780 [ 86.401364][ T11] kvfree_call_rcu+0x15a/0x780 [ 86.406139][ T11] ? call_rcu+0x930/0x930 [ 86.410480][ T11] ? _raw_spin_unlock_irqrestore+0xae/0x110 [ 86.416377][ T11] ? _raw_spin_unlock+0x40/0x40 [ 86.421234][ T11] trie_delete_elem+0x535/0x6a0 [ 86.426097][ T11] bpf_prog_2c29ac5cdc6b1842+0x42/0x46 [ 86.431558][ T11] bpf_trace_run3+0x1e7/0x400 [ 86.436237][ T11] ? bpf_trace_run3+0xf4/0x400 [ 86.441011][ T11] ? bpf_trace_run2+0x3c0/0x3c0 [ 86.445885][ T11] ? __bpf_trace_timer_start+0x133/0x1b0 [ 86.451568][ T11] __bpf_trace_timer_start+0x14a/0x1b0 [ 86.457041][ T11] ? __bpf_trace_timer_class+0x100/0x100 [ 86.462687][ T11] ? _raw_spin_unlock_irqrestore+0xae/0x110 [ 86.468589][ T11] ? _raw_spin_unlock+0x40/0x40 [ 86.473448][ T11] ? _raw_spin_lock_irqsave+0xb4/0xf0 [ 86.478856][ T11] ? _raw_spin_lock+0x40/0x40 [ 86.483553][ T11] enqueue_timer+0x398/0x530 [ 86.488152][ T11] __mod_timer+0x977/0xdb0 [ 86.492596][ T11] mod_delayed_work_on+0xc7/0x1a0 [ 86.497646][ T11] ? __queue_delayed_work+0x200/0x200 [ 86.503033][ T11] kvfree_call_rcu+0x541/0x780 [ 86.507816][ T11] ? call_rcu+0x930/0x930 [ 86.512159][ T11] batadv_hard_if_event+0x7e1/0x15b0 [ 86.517461][ T11] ? dcbnl_netdevice_event+0x278/0x2b0 [ 86.522934][ T11] notifier_call_chain+0x197/0x390 [ 86.528065][ T11] unregister_netdevice_many_notify+0xf36/0x1810 [ 86.534447][ T11] ? unregister_netdevice_many+0x20/0x20 [ 86.540087][ T11] ? unregister_netdevice_queue+0x1ae/0x360 [ 86.545985][ T11] ? list_netdevice+0x730/0x730 [ 86.550838][ T11] ? net_generic+0x1e/0x240 [ 86.555351][ T11] ip_tunnel_delete_nets+0x31c/0x360 [ 86.560645][ T11] ? ip_tunnel_bind_dev+0x7f0/0x7f0 [ 86.565847][ T11] ? cleanup_net+0x6f4/0xb90 [ 86.570447][ T11] ? __kmem_cache_free+0xba/0x1f0 [ 86.575483][ T11] ? ipgre_tap_init_net+0x30/0x30 [ 86.580514][ T11] cleanup_net+0x77f/0xb90 [ 86.584933][ T11] ? ops_free_list+0x3b0/0x3b0 [ 86.589703][ T11] ? _raw_spin_unlock_irq+0x23/0x50 [ 86.594912][ T11] ? process_scheduled_works+0x957/0x15b0 [ 86.600637][ T11] ? process_scheduled_works+0x957/0x15b0 [ 86.606360][ T11] process_scheduled_works+0xa45/0x15b0 [ 86.611930][ T11] ? assign_work+0x400/0x400 [ 86.616538][ T11] ? assign_work+0x39e/0x400 [ 86.621143][ T11] worker_thread+0xa55/0xfc0 [ 86.625761][ T11] kthread+0x2fa/0x390 [ 86.629830][ T11] ? pr_cont_work+0x560/0x560 [ 86.634517][ T11] ? kthread_blkcg+0xd0/0xd0 [ 86.639111][ T11] ret_from_fork+0x48/0x80 [ 86.643539][ T11] ? kthread_blkcg+0xd0/0xd0 [ 86.648135][ T11] ret_from_fork_asm+0x11/0x20 [ 86.652915][ T11]