Warning: Permanently added '10.128.1.83' (ED25519) to the list of known hosts. 1970/01/01 00:00:54 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:00:55 parsed 1 programs [ 58.315919][ T4318] cgroup: Unknown subsys name 'net' [ 58.566554][ T4318] cgroup: Unknown subsys name 'rlimit' [ 58.906204][ T4318] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 69.622954][ T177] cfg80211: failed to load regulatory.db [ 69.623185][ T2061] ieee802154 phy0 wpan0: encryption failed: -22 [ 69.626298][ T2061] ieee802154 phy1 wpan1: encryption failed: -22 [ 71.001209][ T4342] chnl_net:caif_netlink_parms(): no params data found [ 71.037485][ T4342] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.039810][ T4342] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.042762][ T4342] device bridge_slave_0 entered promiscuous mode [ 71.047038][ T4342] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.049065][ T4342] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.051717][ T4342] device bridge_slave_1 entered promiscuous mode [ 71.065098][ T4342] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.069302][ T4342] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.084160][ T4342] team0: Port device team_slave_0 added [ 71.087248][ T4342] team0: Port device team_slave_1 added [ 71.103941][ T4342] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 71.105883][ T4342] 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. [ 71.112892][ T4342] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 71.117552][ T4342] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 71.119432][ T4342] 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. [ 71.126955][ T4342] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 71.203462][ T4342] device hsr_slave_0 entered promiscuous mode [ 71.241718][ T4342] device hsr_slave_1 entered promiscuous mode [ 71.438037][ T4342] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 71.473824][ T4342] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 71.514407][ T4342] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 71.544571][ T4342] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 71.610031][ T4342] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.612280][ T4342] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.614837][ T4342] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.616858][ T4342] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.655170][ T4342] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.665214][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.669423][ T39] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.674337][ T39] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.682736][ T4342] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.690589][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.695394][ T39] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.697339][ T39] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.703185][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.705944][ T39] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.707871][ T39] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.718956][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.733226][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.736178][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.742249][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.747589][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.753727][ T4342] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.867756][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.869850][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.876626][ T4342] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.888294][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 71.908908][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 71.913876][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 71.916371][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 71.920651][ T4342] device veth0_vlan entered promiscuous mode [ 71.937282][ T4342] device veth1_vlan entered promiscuous mode [ 71.952479][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 71.955434][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 71.959953][ T4342] device veth0_macvtap entered promiscuous mode [ 71.973102][ T4342] device veth1_macvtap entered promiscuous mode [ 71.983410][ T4342] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 71.985644][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 71.988276][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 71.990903][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 71.994458][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 72.007120][ T4342] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 72.009223][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 72.012389][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 72.017485][ T4342] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.020128][ T4342] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.023590][ T4342] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.026169][ T4342] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.826142][ T231] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 72.848641][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 72.850886][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 72.862984][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 72.870686][ T39] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 72.873378][ T39] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 72.877861][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 73.261152][ T4385] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 73.264763][ T4385] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 73.267291][ T4385] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 73.270753][ T4387] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 73.273860][ T4387] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 73.276065][ T4387] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 1970/01/01 00:01:14 executed programs: 0 [ 74.089995][ T47] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 74.093190][ T47] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 74.095907][ T47] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 74.098812][ T47] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 74.106028][ T47] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 74.108377][ T47] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 74.201010][ T4405] chnl_net:caif_netlink_parms(): no params data found [ 74.231627][ T4405] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.233781][ T4405] bridge0: port 1(bridge_slave_0) entered disabled state [ 74.236371][ T4405] device bridge_slave_0 entered promiscuous mode [ 74.240442][ T4405] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.243081][ T4405] bridge0: port 2(bridge_slave_1) entered disabled state [ 74.245718][ T4405] device bridge_slave_1 entered promiscuous mode [ 74.260914][ T4405] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 74.266016][ T4405] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 74.279395][ T4405] team0: Port device team_slave_0 added [ 74.283962][ T4405] team0: Port device team_slave_1 added [ 74.297002][ T4405] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 74.299043][ T4405] 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. [ 74.306494][ T4405] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 74.310902][ T4405] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 74.313187][ T4405] 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. [ 74.320257][ T4405] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 74.373344][ T4405] device hsr_slave_0 entered promiscuous mode [ 74.411824][ T4405] device hsr_slave_1 entered promiscuous mode [ 74.461523][ T4405] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 74.463945][ T4405] Cannot create hsr debugfs directory [ 74.863703][ T231] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 76.181985][ T47] Bluetooth: hci0: command 0x0409 tx timeout [ 77.133631][ T231] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 77.215309][ T231] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 78.271933][ T47] Bluetooth: hci0: command 0x041b tx timeout [ 78.304852][ T4405] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 78.363090][ T4405] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 78.474815][ T4405] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 78.584275][ T4405] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 78.687062][ T4405] 8021q: adding VLAN 0 to HW filter on device bond0 [ 78.695541][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 78.698071][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 78.703402][ T4405] 8021q: adding VLAN 0 to HW filter on device team0 [ 78.707753][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 78.710485][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 78.716292][ T11] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.718231][ T11] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.721104][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 78.781621][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 78.784846][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 78.788097][ T11] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.790103][ T11] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.793175][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 78.796074][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 78.800580][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 78.804095][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 78.806840][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 78.876297][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 78.879857][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 78.884971][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 78.887862][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 78.893018][ T1612] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 78.895831][ T1612] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 78.900349][ T4405] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 79.039556][ T1612] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 79.041867][ T1612] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 79.048260][ T4405] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 79.059447][ T1612] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 79.062647][ T1612] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 79.157004][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 79.159876][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 79.165114][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 79.167835][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 79.172801][ T4405] device veth0_vlan entered promiscuous mode [ 79.179432][ T4405] device veth1_vlan entered promiscuous mode [ 79.225691][ T1612] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 79.228525][ T1612] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 79.231183][ T1612] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 79.234317][ T1612] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 79.238179][ T4405] device veth0_macvtap entered promiscuous mode [ 79.244082][ T4405] device veth1_macvtap entered promiscuous mode [ 79.253440][ T4405] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 79.256503][ T4405] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 79.260167][ T4405] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 79.264028][ T1612] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 79.266809][ T1612] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 79.269399][ T1612] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 79.273633][ T1612] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 79.280140][ T4405] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 79.283560][ T4405] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 79.287152][ T4405] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 79.290016][ T1612] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 79.293554][ T1612] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 79.300042][ T231] device hsr_slave_0 left promiscuous mode [ 79.351786][ T231] device hsr_slave_1 left promiscuous mode [ 79.441821][ T231] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 79.444043][ T231] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 79.446869][ T231] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 79.448897][ T231] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 79.451681][ T231] device bridge_slave_1 left promiscuous mode [ 79.454057][ T231] bridge0: port 2(bridge_slave_1) entered disabled state [ 79.502783][ T231] device bridge_slave_0 left promiscuous mode [ 79.504890][ T231] bridge0: port 1(bridge_slave_0) entered disabled state [ 79.652812][ T231] device veth1_macvtap left promiscuous mode [ 79.654866][ T231] device veth0_macvtap left promiscuous mode [ 79.656618][ T231] device veth1_vlan left promiscuous mode [ 79.658300][ T231] device veth0_vlan left promiscuous mode [ 80.341671][ T4387] Bluetooth: hci0: command 0x040f tx timeout [ 81.514113][ T231] team0 (unregistering): Port device team_slave_1 removed [ 81.693000][ T231] team0 (unregistering): Port device team_slave_0 removed [ 81.892284][ T231] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 82.092887][ T231] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 82.421623][ T47] Bluetooth: hci0: command 0x0419 tx timeout [ 84.574204][ T231] bond0 (unregistering): Released all slaves [ 84.817644][ T4405] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 84.820054][ T4405] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 84.823036][ T4405] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 84.825414][ T4405] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 84.893298][ T39] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 84.895698][ T39] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 84.899823][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 84.915843][ T4392] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 84.918115][ T4392] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 84.921165][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 84.981946][ T39] [ 84.982607][ T39] ============================================ [ 84.984228][ T39] WARNING: possible recursive locking detected [ 84.985944][ T39] 6.1.143-syzkaller #0 Not tainted [ 84.987340][ T39] -------------------------------------------- [ 84.989064][ T39] kworker/u4:2/39 is trying to acquire lock: [ 84.990791][ T39] ffff0000d5bca1e8 (rlock-AF_UNIX){+.+.}-{2:2}, at: unix_collect_skb+0x140/0x480 [ 84.993383][ T39] [ 84.993383][ T39] but task is already holding lock: [ 84.995575][ T39] ffff0000d5bc91e8 (rlock-AF_UNIX){+.+.}-{2:2}, at: unix_collect_skb+0xa8/0x480 [ 84.998154][ T39] [ 84.998154][ T39] other info that might help us debug this: [ 85.000433][ T39] Possible unsafe locking scenario: [ 85.000433][ T39] [ 85.002496][ T39] CPU0 [ 85.003490][ T39] ---- [ 85.004425][ T39] lock(rlock-AF_UNIX); [ 85.005557][ T39] lock(rlock-AF_UNIX); [ 85.006772][ T39] [ 85.006772][ T39] *** DEADLOCK *** [ 85.006772][ T39] [ 85.008974][ T39] May be due to missing lock nesting notation [ 85.008974][ T39] [ 85.011303][ T39] 4 locks held by kworker/u4:2/39: [ 85.012742][ T39] #0: ffff0000c0029138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x6b4/0x13a8 [ 85.015826][ T39] #1: ffff80001cd77c20 (unix_gc_work){+.+.}-{0:0}, at: process_one_work+0x6f8/0x13a8 [ 85.018604][ T39] #2: ffff800017817358 (unix_gc_lock){+.+.}-{2:2}, at: __unix_gc+0xb8/0x1334 [ 85.021051][ T39] #3: ffff0000d5bc91e8 (rlock-AF_UNIX){+.+.}-{2:2}, at: unix_collect_skb+0xa8/0x480 [ 85.023817][ T39] [ 85.023817][ T39] stack backtrace: [ 85.025473][ T39] CPU: 1 PID: 39 Comm: kworker/u4:2 Not tainted 6.1.143-syzkaller #0 [ 85.027740][ T39] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 85.030537][ T39] Workqueue: events_unbound __unix_gc [ 85.032144][ T39] Call trace: [ 85.033072][ T39] dump_backtrace+0x1c8/0x1f4 [ 85.034367][ T39] show_stack+0x2c/0x3c [ 85.035497][ T39] __dump_stack+0x30/0x40 [ 85.036742][ T39] dump_stack_lvl+0xf8/0x160 [ 85.038021][ T39] dump_stack+0x1c/0x5c [ 85.039165][ T39] __lock_acquire+0x18b4/0x6544 [ 85.040510][ T39] lock_acquire+0x20c/0x644 [ 85.041778][ T39] _raw_spin_lock+0x54/0x6c [ 85.043035][ T39] unix_collect_skb+0x140/0x480 [ 85.044367][ T39] __unix_gc+0xd18/0x1334 [ 85.045602][ T39] process_one_work+0x7f4/0x13a8 [ 85.046959][ T39] worker_thread+0x8c8/0xfbc [ 85.048314][ T39] kthread+0x250/0x2d8 [ 85.049413][ T39] ret_from_fork+0x10/0x20