Warning: Permanently added '[localhost]:58906' (ED25519) to the list of known hosts. 2026/04/24 18:13:59 parsed 1 programs syzkaller login: [ 53.927607][ T5823] cgroup: Unknown subsys name 'net' [ 54.054274][ T5823] cgroup: Unknown subsys name 'cpuset' [ 54.059796][ T5823] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 55.163503][ T5823] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 57.512585][ T5837] soft_limit_in_bytes is deprecated and will be removed. Please report your usecase to linux-mm@kvack.org if you depend on this functionality. [ 58.080006][ T5853] chnl_net:caif_netlink_parms(): no params data found [ 58.296219][ T5853] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.299105][ T5853] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.301859][ T5853] bridge_slave_0: entered allmulticast mode [ 58.304581][ T5853] bridge_slave_0: entered promiscuous mode [ 58.322862][ T5853] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.325883][ T5853] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.328381][ T5853] bridge_slave_1: entered allmulticast mode [ 58.331342][ T5853] bridge_slave_1: entered promiscuous mode [ 58.363657][ T5853] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.368249][ T5853] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.413887][ T5853] team0: Port device team_slave_0 added [ 58.421616][ T5853] team0: Port device team_slave_1 added [ 58.446399][ T5853] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 58.448787][ T5853] 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 1532 would solve the problem. [ 58.458410][ T5853] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 58.472821][ T5853] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 58.475934][ T5853] 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 1532 would solve the problem. [ 58.485793][ T5853] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 58.516702][ T5853] hsr_slave_0: entered promiscuous mode [ 58.524820][ T5853] hsr_slave_1: entered promiscuous mode [ 58.545976][ T5883] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 58.551006][ T5883] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 58.556320][ T5883] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 58.561616][ T5883] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 58.566544][ T5883] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 58.871361][ T3543] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 58.875707][ T3543] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 58.923959][ T5853] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 58.931633][ T5853] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 58.934904][ T5853] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 58.939132][ T5853] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 58.944361][ T5853] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 58.948534][ T5853] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 58.954364][ T3565] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 58.957940][ T5853] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 58.961078][ T3565] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 58.966413][ T5853] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 59.304414][ T5853] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.398785][ T5853] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.413995][ T3565] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.417111][ T3565] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.433010][ T3565] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.435581][ T3565] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.625398][ T5853] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.648719][ T5853] veth0_vlan: entered promiscuous mode [ 59.655565][ T5853] veth1_vlan: entered promiscuous mode [ 59.673636][ T5853] veth0_macvtap: entered promiscuous mode [ 59.678316][ T5853] veth1_macvtap: entered promiscuous mode [ 59.687914][ T5853] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 59.706071][ T5853] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 59.716388][ T5875] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.724736][ T5875] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.738609][ T5875] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.746947][ T5875] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 2026/04/24 18:14:07 executed programs: 0 [ 59.884704][ T55] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 59.889038][ T55] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 59.895660][ T55] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 59.912887][ T5217] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 59.920298][ T5217] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 59.923377][ T5945] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 59.925773][ T5217] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 59.927840][ T5945] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 59.930931][ T5217] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 59.935126][ T5945] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 59.937927][ T5945] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 59.942232][ T5945] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 59.945631][ T5945] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 59.955576][ T5945] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 59.962002][ T5945] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 60.111145][ T5937] chnl_net:caif_netlink_parms(): no params data found [ 60.191732][ T5937] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.194136][ T5937] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.196561][ T5937] bridge_slave_0: entered allmulticast mode [ 60.200174][ T5937] bridge_slave_0: entered promiscuous mode [ 60.216396][ T5937] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.218857][ T5937] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.221440][ T5937] bridge_slave_1: entered allmulticast mode [ 60.224609][ T5937] bridge_slave_1: entered promiscuous mode [ 60.257379][ T5937] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.262303][ T5937] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.294002][ T5937] team0: Port device team_slave_0 added [ 60.303837][ T5938] chnl_net:caif_netlink_parms(): no params data found [ 60.311838][ T5937] team0: Port device team_slave_1 added [ 60.343340][ T5937] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 60.346081][ T5937] 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 1532 would solve the problem. [ 60.354535][ T5937] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 60.365919][ T5937] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 60.368230][ T5937] 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 1532 would solve the problem. [ 60.380791][ T5937] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 60.413506][ T5939] chnl_net:caif_netlink_parms(): no params data found [ 60.441053][ T12] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 60.459386][ T5937] hsr_slave_0: entered promiscuous mode [ 60.461927][ T5937] hsr_slave_1: entered promiscuous mode [ 60.464151][ T5937] debugfs: 'hsr0' already exists in 'hsr' [ 60.466127][ T5937] Cannot create hsr debugfs directory [ 60.503208][ T12] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 60.526366][ T5938] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.529495][ T5938] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.532869][ T5938] bridge_slave_0: entered allmulticast mode [ 60.536425][ T5938] bridge_slave_0: entered promiscuous mode [ 60.559078][ T5938] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.562280][ T5938] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.565293][ T5938] bridge_slave_1: entered allmulticast mode [ 60.568923][ T5938] bridge_slave_1: entered promiscuous mode [ 60.610285][ T5939] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.612898][ T5939] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.615242][ T5939] bridge_slave_0: entered allmulticast mode [ 60.618021][ T5939] bridge_slave_0: entered promiscuous mode [ 60.624069][ T5938] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.632332][ T5939] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.634778][ T5939] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.637200][ T5939] bridge_slave_1: entered allmulticast mode [ 60.639859][ T5939] bridge_slave_1: entered promiscuous mode [ 60.644145][ T5938] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.690561][ T5939] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.695309][ T5938] team0: Port device team_slave_0 added [ 60.702420][ T5939] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.706831][ T5938] team0: Port device team_slave_1 added [ 60.739845][ T5939] team0: Port device team_slave_0 added [ 60.742464][ T5938] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 60.744857][ T5938] 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 1532 would solve the problem. [ 60.753356][ T5938] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 60.763996][ T5939] team0: Port device team_slave_1 added [ 60.766331][ T5938] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 60.768658][ T5938] 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 1532 would solve the problem. [ 60.777151][ T5938] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 60.803875][ T5939] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 60.806283][ T5939] 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 1532 would solve the problem. [ 60.815255][ T5939] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 60.827378][ T5939] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 60.829702][ T5939] 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 1532 would solve the problem. [ 60.838389][ T5939] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 60.849009][ T5938] hsr_slave_0: entered promiscuous mode [ 60.851735][ T5938] hsr_slave_1: entered promiscuous mode [ 60.854021][ T5938] debugfs: 'hsr0' already exists in 'hsr' [ 60.855979][ T5938] Cannot create hsr debugfs directory [ 60.887868][ T5939] hsr_slave_0: entered promiscuous mode [ 60.890630][ T5939] hsr_slave_1: entered promiscuous mode [ 60.892917][ T5939] debugfs: 'hsr0' already exists in 'hsr' [ 60.894826][ T5939] Cannot create hsr debugfs directory [ 61.540241][ T12] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 61.991134][ T5941] Bluetooth: hci0: command tx timeout [ 61.991184][ T55] Bluetooth: hci1: command tx timeout [ 61.995038][ T5945] Bluetooth: hci2: command tx timeout [ 63.048023][ T12] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 63.152322][ T12] bridge_slave_1: left allmulticast mode [ 63.154702][ T12] bridge_slave_1: left promiscuous mode [ 63.158029][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.165410][ T12] bridge_slave_0: left allmulticast mode [ 63.167414][ T12] bridge_slave_0: left promiscuous mode [ 63.169265][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.345763][ T12] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 63.351078][ T12] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 63.354715][ T12] bond0 (unregistering): Released all slaves [ 63.460838][ T12] hsr_slave_0: left promiscuous mode [ 63.464460][ T12] hsr_slave_1: left promiscuous mode [ 63.468857][ T12] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 63.471463][ T12] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 63.475210][ T12] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 63.478217][ T12] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 63.485791][ T12] veth1_macvtap: left promiscuous mode [ 63.488075][ T12] veth0_macvtap: left promiscuous mode [ 63.490038][ T12] veth1_vlan: left promiscuous mode [ 63.495654][ T12] veth0_vlan: left promiscuous mode [ 63.627568][ T12] team0 (unregistering): Port device team_slave_1 removed [ 63.636449][ T12] team0 (unregistering): Port device team_slave_0 removed [ 63.714861][ T5562] 8021q: adding VLAN 0 to HW filter on device eth1 [ 63.977808][ T5938] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 63.996245][ T5938] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 63.999600][ T5938] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 64.007964][ T5938] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 64.011315][ T5938] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 64.016064][ T5938] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 64.019107][ T5938] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 64.023720][ T5938] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 64.071807][ T5945] Bluetooth: hci1: command tx timeout [ 64.081300][ T5945] Bluetooth: hci2: command tx timeout [ 64.081531][ T55] Bluetooth: hci0: command tx timeout [ 64.092159][ T5939] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 64.099572][ T5939] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 64.107311][ T5939] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 64.113045][ T5939] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 64.115882][ T5939] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 64.119913][ T5939] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 64.126032][ T5939] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 64.131531][ T5939] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 64.206107][ T5937] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 64.212082][ T5937] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 64.215816][ T5937] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 64.219822][ T5937] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 64.224891][ T5937] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 64.230154][ T5937] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 64.234252][ T5937] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 64.239879][ T5937] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 64.247575][ T5938] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.272587][ T5938] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.285763][ T3543] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.288475][ T3543] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.304371][ T3543] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.306875][ T3543] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.319435][ T5939] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.346003][ T5939] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.362663][ T3543] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.365209][ T3543] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.372585][ T3543] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.375100][ T3543] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.382935][ T5937] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.394620][ T5937] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.415445][ T3565] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.417874][ T3565] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.430044][ T27] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.432477][ T27] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.503349][ T5938] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.555415][ T5938] veth0_vlan: entered promiscuous mode [ 64.562185][ T5938] veth1_vlan: entered promiscuous mode [ 64.579808][ T5938] veth0_macvtap: entered promiscuous mode [ 64.588901][ T5938] veth1_macvtap: entered promiscuous mode [ 64.604621][ T5937] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.613604][ T5939] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.621617][ T5938] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 64.633305][ T5938] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 64.648183][ T13] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.658110][ T13] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.664939][ T13] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.667956][ T13] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.679854][ T5937] veth0_vlan: entered promiscuous mode [ 64.694461][ T5939] veth0_vlan: entered promiscuous mode [ 64.699467][ T5937] veth1_vlan: entered promiscuous mode [ 64.722058][ T5939] veth1_vlan: entered promiscuous mode [ 64.736615][ T47] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 64.744333][ T47] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 64.768221][ T3543] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 64.772585][ T3543] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 64.772788][ T5939] veth0_macvtap: entered promiscuous mode [ 64.782913][ T5937] veth0_macvtap: entered promiscuous mode [ 64.786989][ T5937] veth1_macvtap: entered promiscuous mode [ 64.793137][ T5939] veth1_macvtap: entered promiscuous mode [ 64.809822][ T5939] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 64.815557][ T5939] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 64.821897][ T5937] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 64.836692][ T5937] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 64.844348][ T6007] [ 64.845181][ T6007] ============================================ [ 64.847212][ T6007] WARNING: possible recursive locking detected [ 64.849390][ T6007] syzkaller #0 Not tainted [ 64.850986][ T6007] -------------------------------------------- [ 64.852976][ T6007] kworker/1:5/6007 is trying to acquire lock: [ 64.854951][ T6007] ffff88817492e2a0 (sk_lock-AF_VSOCK){+.+.}-{0:0}, at: virtio_transport_recv_listen+0x13a5/0x2230 [ 64.858577][ T6007] [ 64.858577][ T6007] but task is already holding lock: [ 64.861102][ T6007] ffff88817492e2a0 (sk_lock-AF_VSOCK){+.+.}-{0:0}, at: virtio_transport_recv_pkt+0xfde/0x2bb0 [ 64.864369][ T6007] [ 64.864369][ T6007] other info that might help us debug this: [ 64.867111][ T6007] Possible unsafe locking scenario: [ 64.867111][ T6007] [ 64.870102][ T6007] CPU0 [ 64.871209][ T6007] ---- [ 64.872284][ T6007] lock(sk_lock-AF_VSOCK); [ 64.873782][ T6007] lock(sk_lock-AF_VSOCK); [ 64.875245][ T6007] [ 64.875245][ T6007] *** DEADLOCK *** [ 64.875245][ T6007] [ 64.877905][ T6007] May be due to missing lock nesting notation [ 64.877905][ T6007] [ 64.880568][ T6007] 3 locks held by kworker/1:5/6007: [ 64.882298][ T6007] #0: ffff888112391940 ((wq_completion)vsock-loopback){+.+.}-{0:0}, at: process_scheduled_works+0xa35/0x1860 [ 64.886099][ T6007] #1: ffffc900030dfc40 ((work_completion)(&vsock->pkt_work)){+.+.}-{0:0}, at: process_scheduled_works+0xa70/0x1860 [ 64.890208][ T6007] #2: ffff88817492e2a0 (sk_lock-AF_VSOCK){+.+.}-{0:0}, at: virtio_transport_recv_pkt+0xfde/0x2bb0 [ 64.893650][ T6007] [ 64.893650][ T6007] stack backtrace: [ 64.895612][ T6007] CPU: 1 UID: 0 PID: 6007 Comm: kworker/1:5 Not tainted syzkaller #0 PREEMPT(full) [ 64.895621][ T6007] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 [ 64.895626][ T6007] Workqueue: vsock-loopback vsock_loopback_work [ 64.895637][ T6007] Call Trace: [ 64.895641][ T6007] [ 64.895645][ T6007] dump_stack_lvl+0xe8/0x150 [ 64.895657][ T6007] print_deadlock_bug+0x279/0x290 [ 64.895689][ T6007] __lock_acquire+0x253f/0x2cf0 [ 64.895708][ T6007] ? virtio_transport_recv_listen+0x13a5/0x2230 [ 64.895716][ T6007] lock_acquire+0x106/0x350 [ 64.895726][ T6007] ? virtio_transport_recv_listen+0x13a5/0x2230 [ 64.895735][ T6007] ? virtio_transport_recv_listen+0x139b/0x2230 [ 64.895743][ T6007] lock_sock_nested+0x41/0x100 [ 64.895752][ T6007] ? virtio_transport_recv_listen+0x13a5/0x2230 [ 64.895760][ T6007] virtio_transport_recv_listen+0x13a5/0x2230 [ 64.895769][ T6007] ? __pfx_virtio_transport_recv_listen+0x10/0x10 [ 64.895780][ T6007] ? sock_def_write_space+0x22/0x430 [ 64.895788][ T6007] ? sock_def_write_space+0x22/0x430 [ 64.895796][ T6007] ? sock_def_write_space+0x2f6/0x430 [ 64.895803][ T6007] virtio_transport_recv_pkt+0x174b/0x2bb0 [ 64.895811][ T6007] ? check_path+0x21/0x40 [ 64.895821][ T6007] ? __pfx_virtio_transport_recv_pkt+0x10/0x10 [ 64.895828][ T6007] ? __lock_acquire+0x146e/0x2cf0 [ 64.895840][ T6007] ? vsock_deliver_tap+0x21/0x1a0 [ 64.895849][ T6007] ? vsock_deliver_tap+0x21/0x1a0 [ 64.895858][ T6007] ? vsock_deliver_tap+0x21/0x1a0 [ 64.895866][ T6007] ? __pfx_virtio_transport_build_skb+0x10/0x10 [ 64.895878][ T6007] vsock_loopback_work+0x32c/0x3f0 [ 64.895888][ T6007] ? __pfx_vsock_loopback_work+0x10/0x10 [ 64.895897][ T6007] ? lock_acquire+0x221/0x350 [ 64.895907][ T6007] ? process_scheduled_works+0xa70/0x1860 [ 64.895917][ T6007] ? process_scheduled_works+0xa70/0x1860 [ 64.895927][ T6007] process_scheduled_works+0xb5d/0x1860 [ 64.895940][ T6007] ? __pfx_process_scheduled_works+0x10/0x10 [ 64.895951][ T6007] ? assign_work+0x3d5/0x5e0 [ 64.895960][ T6007] worker_thread+0xa53/0xfc0 [ 64.895974][ T6007] kthread+0x388/0x470 [ 64.895981][ T6007] ? __pfx_worker_thread+0x10/0x10 [ 64.895991][ T6007] ? __pfx_kthread+0x10/0x10 [ 64.895998][ T6007] ret_from_fork+0x514/0xb70 [ 64.896009][ T6007] ? __pfx_ret_from_fork+0x10/0x10 [ 64.896018][ T6007] ? __switch_to+0xc79/0x1410 [ 64.896027][ T6007] ? __pfx_kthread+0x10/0x10 [ 64.896035][ T6007] ret_from_fork_asm+0x1a/0x30 [ 64.896044][ T6007] [ 64.979220][ T13] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.984399][ T13] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.003445][ T13] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.007145][ T5939] ieee80211 phy7: Selected rate control algorithm 'minstrel_ht' [ 65.011881][ T13] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.019046][ T13] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.025950][ T13] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.032852][ T5937] ieee80211 phy8: Selected rate control algorithm 'minstrel_ht' [ 65.036546][ T13] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.043259][ T47] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 65.046141][ T47] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 65.052223][ T13] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.057894][ T5939] ieee80211 phy9: Selected rate control algorithm 'minstrel_ht' [ 65.062911][ T3565] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 65.069223][ T3565] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 65.072205][ T27] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 65.072214][ T27] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 65.078728][ T5937] ieee80211 phy10: Selected rate control algorithm 'minstrel_ht' 2026/04/24 18:14:12 executed programs: 7 [ 65.088988][ T3565] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 65.095874][ T3565] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 66.150739][ T55] Bluetooth: hci2: command tx timeout [ 66.150962][ T5945] Bluetooth: hci1: command tx timeout [ 66.153188][ T55] Bluetooth: hci0: command tx timeout [ 68.230461][ T55] Bluetooth: hci1: command tx timeout [ 68.230594][ T5941] Bluetooth: hci2: command tx timeout [ 68.232336][ T5945] Bluetooth: hci0: command tx timeout 2026/04/24 18:14:18 executed programs: 19