Warning: Permanently added '10.128.0.79' (ED25519) to the list of known hosts. 2025/08/28 04:15:55 parsed 1 programs [ 78.019258][ T4271] cgroup: Unknown subsys name 'net' [ 78.157957][ T4271] cgroup: Unknown subsys name 'rlimit' [ 79.680268][ T4271] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 81.144834][ T11] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 81.152934][ T11] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 81.166034][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 81.186585][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 81.194711][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 81.203596][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 82.971730][ T4318] chnl_net:caif_netlink_parms(): no params data found [ 83.032057][ T4318] bridge0: port 1(bridge_slave_0) entered blocking state [ 83.039924][ T4318] bridge0: port 1(bridge_slave_0) entered disabled state [ 83.048510][ T4318] device bridge_slave_0 entered promiscuous mode [ 83.057954][ T4318] bridge0: port 2(bridge_slave_1) entered blocking state [ 83.065554][ T4318] bridge0: port 2(bridge_slave_1) entered disabled state [ 83.073587][ T4318] device bridge_slave_1 entered promiscuous mode [ 83.105756][ T4318] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 83.116910][ T4318] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 83.143182][ T4318] team0: Port device team_slave_0 added [ 83.150653][ T4318] team0: Port device team_slave_1 added [ 83.180270][ T4318] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 83.187369][ T4318] 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. [ 83.213372][ T4318] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 83.230239][ T4318] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 83.237424][ T4318] 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. [ 83.263533][ T4318] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 83.304594][ T4318] device hsr_slave_0 entered promiscuous mode [ 83.312032][ T4318] device hsr_slave_1 entered promiscuous mode [ 83.434920][ T4318] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 83.446792][ T4318] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 83.467808][ T4318] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 83.477584][ T4318] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 83.569273][ T4318] 8021q: adding VLAN 0 to HW filter on device bond0 [ 83.587228][ T4290] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 83.596793][ T4290] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 83.609890][ T4318] 8021q: adding VLAN 0 to HW filter on device team0 [ 83.625616][ T4290] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 83.634614][ T4290] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 83.644166][ T4290] bridge0: port 1(bridge_slave_0) entered blocking state [ 83.651676][ T4290] bridge0: port 1(bridge_slave_0) entered forwarding state [ 83.680887][ T4290] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 83.690067][ T4290] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 83.699965][ T4290] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 83.710130][ T4290] bridge0: port 2(bridge_slave_1) entered blocking state [ 83.717336][ T4290] bridge0: port 2(bridge_slave_1) entered forwarding state [ 83.726460][ T4290] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 83.736672][ T4290] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 83.748799][ T4290] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 83.758687][ T4290] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 83.773277][ T4290] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 83.785209][ T4290] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 83.795496][ T4290] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 83.813673][ T4290] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 83.822190][ T4290] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 83.833673][ T4318] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 84.030544][ T75] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 84.039229][ T75] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 84.052181][ T4318] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 84.073163][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 84.098673][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 84.108345][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 84.116750][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 84.128001][ T4318] device veth0_vlan entered promiscuous mode [ 84.144716][ T4318] device veth1_vlan entered promiscuous mode [ 84.167645][ T75] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 84.176514][ T75] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 84.185716][ T75] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 84.196956][ T4318] device veth0_macvtap entered promiscuous mode [ 84.208163][ T4318] device veth1_macvtap entered promiscuous mode [ 84.228044][ T4318] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 84.239512][ T75] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 84.248486][ T75] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 84.257468][ T75] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 84.270370][ T4318] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 84.278135][ T4290] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 84.288755][ T4290] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 84.302759][ T4318] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 84.312209][ T4318] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 84.321117][ T4318] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 84.329938][ T4318] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 84.455109][ T9] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 85.147509][ T4356] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 85.156100][ T4356] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 85.165570][ T4358] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 85.174382][ T4358] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 85.182192][ T4358] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 85.189523][ T4358] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 2025/08/28 04:16:05 executed programs: 0 [ 85.988387][ T47] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 85.996787][ T47] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 86.007051][ T47] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 86.016283][ T47] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 86.024267][ T47] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 86.031881][ T47] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 86.173534][ T4370] chnl_net:caif_netlink_parms(): no params data found [ 86.223111][ T4370] bridge0: port 1(bridge_slave_0) entered blocking state [ 86.230336][ T4370] bridge0: port 1(bridge_slave_0) entered disabled state [ 86.238908][ T4370] device bridge_slave_0 entered promiscuous mode [ 86.248662][ T4370] bridge0: port 2(bridge_slave_1) entered blocking state [ 86.256074][ T4370] bridge0: port 2(bridge_slave_1) entered disabled state [ 86.264630][ T4370] device bridge_slave_1 entered promiscuous mode [ 86.289803][ T4370] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 86.301672][ T4370] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 86.330938][ T4370] team0: Port device team_slave_0 added [ 86.340913][ T4370] team0: Port device team_slave_1 added [ 86.361130][ T4370] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 86.368390][ T4370] 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. [ 86.394809][ T4370] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 86.407707][ T4370] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 86.415004][ T4370] 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. [ 86.441288][ T4370] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 86.476103][ T4370] device hsr_slave_0 entered promiscuous mode [ 86.483715][ T4370] device hsr_slave_1 entered promiscuous mode [ 86.490579][ T4370] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 86.498747][ T4370] Cannot create hsr debugfs directory [ 86.712823][ T14] cfg80211: failed to load regulatory.db [ 86.883821][ T9] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 88.071642][ T47] Bluetooth: hci0: command 0x0409 tx timeout [ 89.113325][ T9] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 89.176750][ T9] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 90.065877][ T4370] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 90.079346][ T4370] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 90.089813][ T4370] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 90.117632][ T4370] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 90.152571][ T47] Bluetooth: hci0: command 0x041b tx timeout [ 90.169452][ T9] device hsr_slave_0 left promiscuous mode [ 90.178760][ T9] device hsr_slave_1 left promiscuous mode [ 90.187342][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 90.197236][ T9] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 90.207740][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 90.216973][ T9] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 90.227944][ T9] device bridge_slave_1 left promiscuous mode [ 90.236944][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 90.250718][ T9] device bridge_slave_0 left promiscuous mode [ 90.259493][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 90.293077][ T9] device veth1_macvtap left promiscuous mode [ 90.299543][ T9] device veth0_macvtap left promiscuous mode [ 90.307267][ T9] device veth1_vlan left promiscuous mode [ 90.314669][ T9] device veth0_vlan left promiscuous mode [ 90.709641][ T9] team0 (unregistering): Port device team_slave_1 removed [ 90.738704][ T9] team0 (unregistering): Port device team_slave_0 removed [ 90.768103][ T9] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 90.798854][ T9] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 91.061936][ T9] bond0 (unregistering): Released all slaves [ 91.183574][ T4370] 8021q: adding VLAN 0 to HW filter on device bond0 [ 91.207948][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 91.216274][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 91.227820][ T4370] 8021q: adding VLAN 0 to HW filter on device team0 [ 91.249431][ T75] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 91.258618][ T75] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 91.267396][ T75] bridge0: port 1(bridge_slave_0) entered blocking state [ 91.274538][ T75] bridge0: port 1(bridge_slave_0) entered forwarding state [ 91.284312][ T75] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 91.312416][ T75] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 91.323259][ T75] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 91.332131][ T75] bridge0: port 2(bridge_slave_1) entered blocking state [ 91.339409][ T75] bridge0: port 2(bridge_slave_1) entered forwarding state [ 91.347277][ T75] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 91.359788][ T75] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 91.373487][ T75] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 91.382439][ T75] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 91.403201][ T75] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 91.411947][ T75] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 91.420707][ T75] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 91.434306][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 91.443986][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 91.457021][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 91.466088][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 91.478510][ T4370] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 91.718216][ T4290] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 91.726070][ T4290] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 91.738834][ T4370] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 91.763617][ T4290] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 91.772628][ T4290] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 91.803079][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 91.813287][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 91.824390][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 91.833005][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 91.847445][ T4370] device veth0_vlan entered promiscuous mode [ 91.860316][ T4370] device veth1_vlan entered promiscuous mode [ 91.886876][ T75] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 91.895736][ T75] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 91.904175][ T75] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 91.913484][ T75] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 91.924957][ T4370] device veth0_macvtap entered promiscuous mode [ 91.935463][ T4370] device veth1_macvtap entered promiscuous mode [ 91.952112][ T4370] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 91.959460][ T75] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 91.968225][ T75] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 91.976414][ T75] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 91.985726][ T75] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 91.998197][ T4370] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 92.006958][ T75] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 92.015852][ T75] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 92.027398][ T4370] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 92.036572][ T4370] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 92.045621][ T4370] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 92.054696][ T4370] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 92.107994][ T4290] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 92.117263][ T4290] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 92.130243][ T4290] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready 2025/08/28 04:16:11 executed programs: 2 [ 92.167572][ T4290] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 92.175706][ T4290] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 92.185399][ T4290] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 92.231570][ T47] Bluetooth: hci0: command 0x040f tx timeout [ 94.311293][ T4358] Bluetooth: hci0: command 0x0419 tx timeout 2025/08/28 04:16:16 executed programs: 8 2025/08/28 04:16:21 executed programs: 14 2025/08/28 04:16:26 executed programs: 20 2025/08/28 04:16:32 executed programs: 26 2025/08/28 04:16:37 executed programs: 32 2025/08/28 04:16:42 executed programs: 38 2025/08/28 04:16:47 executed programs: 44 [ 132.793800][ T1277] ieee802154 phy0 wpan0: encryption failed: -22 [ 132.800595][ T1277] ieee802154 phy1 wpan1: encryption failed: -22 2025/08/28 04:16:52 executed programs: 50 2025/08/28 04:16:57 executed programs: 56 2025/08/28 04:17:02 executed programs: 62 [ 146.852403][ T4623] [ 146.854826][ T4623] ============================================ [ 146.861001][ T4623] WARNING: possible recursive locking detected [ 146.867264][ T4623] 6.1.148-syzkaller #0 Not tainted [ 146.872392][ T4623] -------------------------------------------- [ 146.878559][ T4623] syz.0.80/4623 is trying to acquire lock: [ 146.884456][ T4623] ffffffff8d3e9c38 (qp_broker_list.mutex){+.+.}-{3:3}, at: vmci_qp_broker_detach+0x110/0xef0 [ 146.894664][ T4623] [ 146.894664][ T4623] but task is already holding lock: [ 146.902032][ T4623] ffffffff8d3e9c38 (qp_broker_list.mutex){+.+.}-{3:3}, at: vmci_qp_broker_detach+0x110/0xef0 [ 146.912244][ T4623] [ 146.912244][ T4623] other info that might help us debug this: [ 146.920376][ T4623] Possible unsafe locking scenario: [ 146.920376][ T4623] [ 146.927827][ T4623] CPU0 [ 146.931107][ T4623] ---- [ 146.934389][ T4623] lock(qp_broker_list.mutex); [ 146.939256][ T4623] lock(qp_broker_list.mutex); [ 146.944118][ T4623] [ 146.944118][ T4623] *** DEADLOCK *** [ 146.944118][ T4623] [ 146.952277][ T4623] May be due to missing lock nesting notation [ 146.952277][ T4623] [ 146.960742][ T4623] 1 lock held by syz.0.80/4623: [ 146.965594][ T4623] #0: ffffffff8d3e9c38 (qp_broker_list.mutex){+.+.}-{3:3}, at: vmci_qp_broker_detach+0x110/0xef0 [ 146.976223][ T4623] [ 146.976223][ T4623] stack backtrace: [ 146.982125][ T4623] CPU: 1 PID: 4623 Comm: syz.0.80 Not tainted 6.1.148-syzkaller #0 [ 146.990032][ T4623] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 147.000097][ T4623] Call Trace: [ 147.003388][ T4623] [ 147.006322][ T4623] dump_stack_lvl+0x168/0x22e [ 147.011027][ T4623] ? show_regs_print_info+0x12/0x12 [ 147.016232][ T4623] ? load_image+0x3b0/0x3b0 [ 147.020747][ T4623] __lock_acquire+0x122f/0x7c50 [ 147.025632][ T4623] ? __lock_acquire+0x7c50/0x7c50 [ 147.030681][ T4623] ? verify_lock_unused+0x140/0x140 [ 147.035882][ T4623] ? mark_lock+0x94/0x320 [ 147.040226][ T4623] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 147.046210][ T4623] ? lock_chain_count+0x20/0x20 [ 147.051068][ T4623] lock_acquire+0x1b4/0x490 [ 147.055576][ T4623] ? vmci_qp_broker_detach+0x110/0xef0 [ 147.061045][ T4623] ? __might_sleep+0xd0/0xd0 [ 147.065650][ T4623] ? read_lock_is_recursive+0x10/0x10 [ 147.071035][ T4623] ? kasan_set_track+0x60/0x70 [ 147.075806][ T4623] ? kasan_save_free_info+0x2d/0x50 [ 147.081011][ T4623] ? ____kasan_slab_free+0x126/0x1e0 [ 147.086305][ T4623] ? slab_free_freelist_hook+0x131/0x1a0 [ 147.091948][ T4623] __mutex_lock+0x120/0xaf0 [ 147.096471][ T4623] ? vmci_qp_broker_detach+0x110/0xef0 [ 147.101947][ T4623] ? exit_to_user_mode_loop+0xe6/0x110 [ 147.107436][ T4623] ? exit_to_user_mode_prepare+0xb1/0x140 [ 147.113227][ T4623] ? do_syscall_64+0x58/0xa0 [ 147.117834][ T4623] ? entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 147.124006][ T4623] ? vmci_qp_broker_detach+0x110/0xef0 [ 147.129473][ T4623] ? mutex_lock_nested+0x10/0x10 [ 147.134434][ T4623] ? mark_lock+0x94/0x320 [ 147.138780][ T4623] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 147.144771][ T4623] vmci_qp_broker_detach+0x110/0xef0 [ 147.150064][ T4623] ? kasan_quarantine_put+0xd4/0x220 [ 147.155366][ T4623] ? lockdep_hardirqs_on+0x94/0x140 [ 147.160572][ T4623] ? qp_notify_peer+0x1d0/0x1d0 [ 147.165434][ T4623] ? slab_free_freelist_hook+0x131/0x1a0 [ 147.171069][ T4623] ? vmci_ctx_put+0x598/0xc00 [ 147.175749][ T4623] ? __kmem_cache_free+0xb6/0x1f0 [ 147.180781][ T4623] vmci_ctx_put+0x5ec/0xc00 [ 147.185289][ T4623] ? vmci_ctx_put+0x132/0xc00 [ 147.189979][ T4623] ? preempt_schedule_common+0xa5/0xd0 [ 147.195452][ T4623] ? vmci_ctx_destroy+0xf0/0xf0 [ 147.200305][ T4623] ? preempt_schedule+0xa7/0xb0 [ 147.205161][ T4623] ? schedule_preempt_disabled+0x20/0x20 [ 147.210813][ T4623] ? __lock_acquire+0x7c50/0x7c50 [ 147.215871][ T4623] ? __rwlock_init+0x140/0x140 [ 147.220650][ T4623] vmci_ctx_enqueue_datagram+0x3a7/0x420 [ 147.226293][ T4623] vmci_datagram_dispatch+0x438/0xbc0 [ 147.231676][ T4623] ? vmci_is_context_owner+0xd0/0xd0 [ 147.237050][ T4623] ? vmci_handle_arr_has_entry+0xf6/0x130 [ 147.242778][ T4623] vmci_qp_broker_detach+0x8b5/0xef0 [ 147.248087][ T4623] ? qp_notify_peer+0x1d0/0x1d0 [ 147.252945][ T4623] ? vmci_ctx_put+0x598/0xc00 [ 147.257624][ T4623] ? __kmem_cache_free+0xb6/0x1f0 [ 147.262650][ T4623] vmci_ctx_put+0x5ec/0xc00 [ 147.267336][ T4623] ? vmci_ctx_put+0x132/0xc00 [ 147.272014][ T4623] ? vmci_ctx_destroy+0xf0/0xf0 [ 147.276860][ T4623] ? do_raw_spin_lock+0x11d/0x280 [ 147.281903][ T4623] ? __rwlock_init+0x140/0x140 [ 147.286686][ T4623] ? fsnotify_set_children_dentry_flags+0x220/0x220 [ 147.293283][ T4623] ? do_raw_spin_unlock+0x11d/0x230 [ 147.298557][ T4623] vmci_host_close+0x97/0x160 [ 147.303242][ T4623] ? vmci_host_open+0xe0/0xe0 [ 147.307928][ T4623] __fput+0x22c/0x920 [ 147.311923][ T4623] task_work_run+0x1ca/0x250 [ 147.316519][ T4623] ? task_work_cancel+0x230/0x230 [ 147.321587][ T4623] ? __close_range+0x1c5/0x730 [ 147.326392][ T4623] ? exit_to_user_mode_loop+0x3b/0x110 [ 147.331869][ T4623] exit_to_user_mode_loop+0xe6/0x110 [ 147.337164][ T4623] exit_to_user_mode_prepare+0xb1/0x140 [ 147.342718][ T4623] syscall_exit_to_user_mode+0x16/0x40 [ 147.348192][ T4623] do_syscall_64+0x58/0xa0 [ 147.352630][ T4623] ? clear_bhb_loop+0x60/0xb0 [ 147.357339][ T4623] ? clear_bhb_loop+0x60/0xb0 [ 147.362112][ T4623] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 147.368027][ T4623] RIP: 0033:0x7f4f4e18ebe9 [ 147.372467][ T4623] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 [ 147.392177][ T4623] RSP: 002b:00007ffc8c712d78 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 [ 147.400599][ T4623] RAX: 0000000000000000 RBX: 00007f4f4e3b7da0 RCX: 00007f4f4e18ebe9 [ 147.408592][ T4623] RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 [ 147.416582][ T4623] RBP: 00007f4f4e3b7da0 R08: 0000000000000000 R09: 0000000f8c71306f [ 147.424566][ T4623] R10: 00007f4f4e3b7cb0 R11: 0000000000000246 R12: 0000000000023d78 [ 147.432550][ T4623] R13: 00007f4f4e3b6090 R14: ffffffffffffffff R15: 00007ffc8c712e90 [ 147.440545][ T4623]