[ 75.405740][ T1697] bridge0: port 1(bridge_slave_0) entered disabled state [ 75.582659][ T1697] device veth1_macvtap left promiscuous mode [ 75.583831][ T1697] device veth0_macvtap left promiscuous mode [ 75.585047][ T1697] device veth1_vlan left promiscuous mode [ 75.586164][ T1697] device veth0_vlan left promiscuous mode [ 75.867457][ T1697] team0 (unregistering): Port device team_slave_1 removed [ 75.875575][ T1697] team0 (unregistering): Port device team_slave_0 removed [ 75.884563][ T1697] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 75.922686][ T1697] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 76.074048][ T1697] bond0 (unregistering): Released all slaves Warning: Permanently added '10.128.0.52' (ED25519) to the list of known hosts. 1970/01/01 00:01:27 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:01:28 parsed 1 programs [ 90.594418][ T4495] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 98.021347][ T4523] chnl_net:caif_netlink_parms(): no params data found [ 98.061196][ T4523] bridge0: port 1(bridge_slave_0) entered blocking state [ 98.063679][ T4523] bridge0: port 1(bridge_slave_0) entered disabled state [ 98.066315][ T4523] device bridge_slave_0 entered promiscuous mode [ 98.069986][ T4523] bridge0: port 2(bridge_slave_1) entered blocking state [ 98.072009][ T4523] bridge0: port 2(bridge_slave_1) entered disabled state [ 98.074790][ T4523] device bridge_slave_1 entered promiscuous mode [ 98.094912][ T4523] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 98.100639][ T4523] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 98.116919][ T4523] team0: Port device team_slave_0 added [ 98.120171][ T4523] team0: Port device team_slave_1 added [ 98.134879][ T4523] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 98.136704][ T4523] 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. [ 98.143835][ T4523] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 98.150293][ T4523] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 98.152147][ T4523] 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. [ 98.160184][ T4523] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 98.234650][ T4523] device hsr_slave_0 entered promiscuous mode [ 98.292872][ T4523] device hsr_slave_1 entered promiscuous mode [ 99.127440][ T4523] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 99.175452][ T4523] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 99.215491][ T4523] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 99.256599][ T4523] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 99.344992][ T4523] 8021q: adding VLAN 0 to HW filter on device bond0 [ 99.352144][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 99.356630][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 99.361682][ T4523] 8021q: adding VLAN 0 to HW filter on device team0 [ 99.385622][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 99.388318][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 99.390721][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 99.392670][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 99.414432][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 99.416937][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 99.419563][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 99.433787][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 99.435800][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 99.438208][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 99.441116][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 99.462793][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 99.466682][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 99.473633][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 99.483963][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 99.486815][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 99.493270][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 99.496104][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 99.505342][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 99.512963][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 99.517831][ T4523] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 99.613147][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 99.615324][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 99.622163][ T4523] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 99.664709][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 99.667661][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 99.686945][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 99.689566][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 99.696157][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 99.703298][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 99.715117][ T4523] device veth0_vlan entered promiscuous mode [ 99.733371][ T4523] device veth1_vlan entered promiscuous mode [ 99.757036][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 99.759673][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 99.762300][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 99.772179][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 99.779227][ T4523] device veth0_macvtap entered promiscuous mode [ 99.784162][ T4523] device veth1_macvtap entered promiscuous mode [ 99.807044][ T4523] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 99.809172][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 99.811761][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 99.818778][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 99.821548][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 99.826588][ T4523] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 99.830787][ T4523] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 99.833631][ T4523] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 99.835998][ T4523] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 99.838352][ T4523] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 99.844718][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 99.847490][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 100.643074][ T148] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 100.645372][ T148] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 100.649684][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 100.684890][ T148] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 100.687155][ T148] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 100.690184][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:01:41 executed programs: 0 [ 101.960141][ T4735] chnl_net:caif_netlink_parms(): no params data found [ 102.039754][ T4735] bridge0: port 1(bridge_slave_0) entered blocking state [ 102.041819][ T4735] bridge0: port 1(bridge_slave_0) entered disabled state [ 102.055118][ T4735] device bridge_slave_0 entered promiscuous mode [ 102.059237][ T4735] bridge0: port 2(bridge_slave_1) entered blocking state [ 102.061357][ T4735] bridge0: port 2(bridge_slave_1) entered disabled state [ 102.072620][ T4735] device bridge_slave_1 entered promiscuous mode [ 102.106664][ T4735] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 102.111820][ T4735] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 102.135937][ T4735] team0: Port device team_slave_0 added [ 102.139974][ T4735] team0: Port device team_slave_1 added [ 102.175188][ T4735] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 102.177127][ T4735] 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. [ 102.192333][ T4735] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 102.212487][ T4735] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 102.214437][ T4735] 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. [ 102.221707][ T4735] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 102.307132][ T4735] device hsr_slave_0 entered promiscuous mode [ 102.342688][ T4735] device hsr_slave_1 entered promiscuous mode [ 102.382455][ T4735] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 102.384582][ T4735] Cannot create hsr debugfs directory [ 102.526371][ T4735] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 103.703294][ T4201] Bluetooth: hci0: command 0x0409 tx timeout [ 104.790882][ T4735] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 104.849815][ T4735] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 104.892475][ T4735] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 105.080219][ T4735] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 105.134847][ T4735] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 105.184441][ T4735] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 105.235198][ T4735] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 105.322316][ T4735] 8021q: adding VLAN 0 to HW filter on device bond0 [ 105.331036][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 105.336549][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 105.341435][ T4735] 8021q: adding VLAN 0 to HW filter on device team0 [ 105.347442][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 105.350119][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 105.355418][ T148] bridge0: port 1(bridge_slave_0) entered blocking state [ 105.357408][ T148] bridge0: port 1(bridge_slave_0) entered forwarding state [ 105.359806][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 105.365296][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 105.368201][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 105.370886][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 105.372919][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 105.380323][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 105.387760][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 105.395846][ T1697] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 105.399175][ T1697] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 105.444391][ T1697] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 105.449453][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 105.455226][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 105.460575][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 105.464216][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 105.469675][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 105.476763][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 105.481739][ T4735] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 105.565952][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 105.568225][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 105.575887][ T4735] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 105.588275][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 105.591112][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 105.604428][ T1669] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 105.607275][ T1669] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 105.610515][ T1669] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 105.614964][ T1669] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 105.620201][ T4735] device veth0_vlan entered promiscuous mode [ 105.629098][ T4735] device veth1_vlan entered promiscuous mode [ 105.645684][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 105.648395][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 105.651214][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 105.654794][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 105.661023][ T4735] device veth0_macvtap entered promiscuous mode [ 105.667652][ T4735] device veth1_macvtap entered promiscuous mode [ 105.678487][ T4735] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 105.681766][ T4735] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 105.685853][ T4735] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 105.688022][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 105.690839][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 105.694802][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 105.697580][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 105.737444][ T4735] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 105.740269][ T4735] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 105.744497][ T4735] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 105.747612][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 105.750505][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 105.757844][ T4735] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 105.760321][ T4735] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 105.763119][ T4735] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 105.765432][ T4735] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 105.783247][ T4145] Bluetooth: hci0: command 0x041b tx timeout [ 105.809690][ T1697] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 105.812014][ T1697] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 105.816223][ T1697] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 105.831123][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 105.834859][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 105.838018][ T1697] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 105.876238][ T4933] netlink: 20 bytes leftover after parsing attributes in process `syz.0.16'. [ 105.899211][ T4935] netlink: 20 bytes leftover after parsing attributes in process `syz.0.17'. [ 105.919379][ T4937] netlink: 20 bytes leftover after parsing attributes in process `syz.0.18'. [ 105.944252][ T4939] netlink: 20 bytes leftover after parsing attributes in process `syz.0.19'. [ 105.969420][ T4941] netlink: 20 bytes leftover after parsing attributes in process `syz.0.20'. [ 105.988187][ T4943] netlink: 20 bytes leftover after parsing attributes in process `syz.0.21'. [ 106.008292][ T4945] netlink: 20 bytes leftover after parsing attributes in process `syz.0.22'. [ 106.028311][ T4947] netlink: 20 bytes leftover after parsing attributes in process `syz.0.23'. [ 106.055143][ T4949] netlink: 20 bytes leftover after parsing attributes in process `syz.0.24'. [ 106.075390][ T4951] netlink: 20 bytes leftover after parsing attributes in process `syz.0.25'. 1970/01/01 00:01:46 executed programs: 32 [ 107.862679][ T4145] Bluetooth: hci0: command 0x040f tx timeout [ 108.762251][ T9] device hsr_slave_0 left promiscuous mode [ 108.804606][ T9] device hsr_slave_1 left promiscuous mode [ 108.892622][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 108.895016][ T9] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 108.897605][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 108.899699][ T9] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 108.902215][ T9] device bridge_slave_1 left promiscuous mode [ 108.904706][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 108.944329][ T9] device bridge_slave_0 left promiscuous mode [ 108.946192][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 109.072811][ T9] device veth1_macvtap left promiscuous mode [ 109.074524][ T9] device veth0_macvtap left promiscuous mode [ 109.076415][ T9] device veth1_vlan left promiscuous mode [ 109.078048][ T9] device veth0_vlan left promiscuous mode [ 109.325260][ T9] team0 (unregistering): Port device team_slave_1 removed [ 109.335728][ T9] team0 (unregistering): Port device team_slave_0 removed [ 109.344385][ T9] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 109.382660][ T9] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 109.519775][ T9] bond0 (unregistering): Released all slaves [ 109.811981][ T5185] [ 109.812689][ T5185] ============================================ [ 109.814492][ T5185] WARNING: possible recursive locking detected [ 109.816174][ T5185] 5.15.188-syzkaller #0 Not tainted [ 109.817597][ T5185] -------------------------------------------- [ 109.819302][ T5185] syz.0.142/5185 is trying to acquire lock: [ 109.821052][ T5185] ffff0000d6f3b398 (_xmit_ETHER#2){+.-.}-{2:2}, at: sch_direct_xmit+0x12c/0x3bc [ 109.823596][ T5185] [ 109.823596][ T5185] but task is already holding lock: [ 109.825666][ T5185] ffff0000d6ef2898 (_xmit_ETHER#2){+.-.}-{2:2}, at: sch_direct_xmit+0x12c/0x3bc [ 109.828172][ T5185] [ 109.828172][ T5185] other info that might help us debug this: [ 109.830421][ T5185] Possible unsafe locking scenario: [ 109.830421][ T5185] [ 109.832414][ T5185] CPU0 [ 109.833258][ T5185] ---- [ 109.834126][ T5185] lock(_xmit_ETHER#2); [ 109.835244][ T5185] lock(_xmit_ETHER#2); [ 109.836435][ T5185] [ 109.836435][ T5185] *** DEADLOCK *** [ 109.836435][ T5185] [ 109.838716][ T5185] May be due to missing lock nesting notation [ 109.838716][ T5185] [ 109.840985][ T5185] 13 locks held by syz.0.142/5185: [ 109.842336][ T5185] #0: ffff800014351360 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x10/0x4c [ 109.844916][ T5185] #1: ffff8000143513c0 (rcu_read_lock_bh){....}-{1:2}, at: rcu_lock_acquire+0x18/0x54 [ 109.847581][ T5185] #2: ffff8000143513c0 (rcu_read_lock_bh){....}-{1:2}, at: rcu_lock_acquire+0x18/0x54 [ 109.850279][ T5185] #3: ffff0000d8650258 (dev->qdisc_tx_busylock ?: &qdisc_tx_busylock){+...}-{2:2}, at: qdisc_run_begin+0x120/0x2a8 [ 109.853603][ T5185] #4: ffff0000d6ef2898 (_xmit_ETHER#2){+.-.}-{2:2}, at: sch_direct_xmit+0x12c/0x3bc [ 109.856206][ T5185] #5: ffff0000edf1ac20 (k-slock-AF_INET6){+...}-{2:2}, at: icmpv6_xmit_lock+0xf0/0x140 [ 109.858857][ T5185] #6: ffff800014351360 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x10/0x4c [ 109.861445][ T5185] #7: ffff800014351360 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x18/0x54 [ 109.863958][ T5185] #8: ffff8000143513c0 (rcu_read_lock_bh){....}-{1:2}, at: rcu_lock_acquire+0x18/0x54 [ 109.866576][ T5185] #9: ffff800014351360 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x10/0x4c [ 109.869180][ T5185] #10: ffff8000143513c0 (rcu_read_lock_bh){....}-{1:2}, at: rcu_lock_acquire+0x18/0x54 [ 109.871869][ T5185] #11: ffff8000143513c0 (rcu_read_lock_bh){....}-{1:2}, at: rcu_lock_acquire+0x18/0x54 [ 109.874563][ T5185] #12: ffff0000dd18f258 (dev->qdisc_tx_busylock ?: &qdisc_tx_busylock){+...}-{2:2}, at: qdisc_run_begin+0x120/0x2a8 [ 109.877953][ T5185] [ 109.877953][ T5185] stack backtrace: [ 109.879572][ T5185] CPU: 0 PID: 5185 Comm: syz.0.142 Not tainted 5.15.188-syzkaller #0 [ 109.881766][ T5185] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 109.884518][ T5185] Call trace: [ 109.885367][ T5185] dump_backtrace+0x0/0x43c [ 109.886688][ T5185] show_stack+0x2c/0x3c [ 109.887877][ T5185] __dump_stack+0x30/0x40 [ 109.889078][ T5185] dump_stack_lvl+0xf8/0x160 [ 109.890315][ T5185] dump_stack+0x1c/0x5c [ 109.891448][ T5185] __lock_acquire+0x18a4/0x651c [ 109.892762][ T5185] lock_acquire+0x1f4/0x620 [ 109.894032][ T5185] _raw_spin_lock+0xb0/0x10c [ 109.895268][ T5185] sch_direct_xmit+0x12c/0x3bc [ 109.896563][ T5185] __dev_queue_xmit+0x13f4/0x2800 [ 109.898026][ T5185] dev_queue_xmit+0x24/0x34 [ 109.899285][ T5185] ip6_finish_output2+0x129c/0x1a14 [ 109.900686][ T5185] __ip6_finish_output+0x570/0x6dc [ 109.902069][ T5185] ip6_finish_output+0x40/0x218 [ 109.903431][ T5185] ip6_output+0x274/0x500 [ 109.904596][ T5185] ndisc_send_skb+0xc10/0x1684 [ 109.905938][ T5185] ndisc_send_ns+0x518/0x6f4 [ 109.907155][ T5185] ndisc_solicit+0x2b0/0x408 [ 109.908389][ T5185] neigh_probe+0xc4/0x138 [ 109.909539][ T5185] __neigh_event_send+0xc14/0x1200 [ 109.911015][ T5185] neigh_resolve_output+0x180/0x5e0 [ 109.912386][ T5185] ip6_finish_output2+0x12d0/0x1a14 [ 109.913729][ T5185] __ip6_finish_output+0x570/0x6dc [ 109.915142][ T5185] ip6_finish_output+0x40/0x218 [ 109.916471][ T5185] ip6_output+0x274/0x500 [ 109.917657][ T5185] ip6_local_out+0x120/0x15c [ 109.918858][ T5185] ip6_send_skb+0x1a8/0x4f4 [ 109.920133][ T5185] ip6_push_pending_frames+0xd0/0x118 [ 109.921668][ T5185] icmpv6_push_pending_frames+0x238/0x394 [ 109.923219][ T5185] icmp6_send+0xee4/0x144c [ 109.924477][ T5185] ip6_link_failure+0x44/0x4a8 [ 109.925871][ T5185] dst_link_failure+0x11c/0x160 [ 109.927209][ T5185] ip_tunnel_xmit+0x1444/0x1f30 [ 109.928519][ T5185] erspan_xmit+0x890/0x1490 [ 109.929751][ T5185] dev_hard_start_xmit+0x2a8/0x87c [ 109.931215][ T5185] sch_direct_xmit+0x2a4/0x3bc [ 109.932589][ T5185] __dev_queue_xmit+0x13f4/0x2800 [ 109.934037][ T5185] dev_queue_xmit+0x24/0x34 [ 109.935245][ T5185] ip6_finish_output2+0x129c/0x1a14 [ 109.936652][ T5185] __ip6_finish_output+0x570/0x6dc [ 109.938016][ T5185] ip6_finish_output+0x40/0x218 [ 109.939325][ T5185] ip6_output+0x274/0x500 [ 109.940522][ T5185] rawv6_send_hdrinc+0xdb8/0x18cc [ 109.941877][ T5185] rawv6_sendmsg+0xd9c/0x12e8 [ 109.943131][ T5185] inet_sendmsg+0x154/0x284 [ 109.944365][ T5185] ____sys_sendmsg+0x61c/0x920 [ 109.945684][ T5185] ___sys_sendmsg+0x1d0/0x240 [ 109.946980][ T5185] __sys_sendmmsg+0x218/0x5f0 [ 109.948229][ T5185] __arm64_sys_sendmmsg+0xa0/0xbc [ 109.949567][ T5185] invoke_syscall+0x98/0x2b8 [ 109.950803][ T5185] el0_svc_common+0x138/0x258 [ 109.952096][ T5185] do_el0_svc+0x58/0x14c [ 109.953230][ T5185] el0_svc+0x78/0x1e0 [ 109.954304][ T5185] el0t_64_sync_handler+0xcc/0xe4 [ 109.955708][ T5185] el0t_64_sync+0x1a0/0x1a4 [ 109.958571][ T4145] Bluetooth: hci0: command 0x0419 tx timeout [ 110.913673][ T5260] __nla_validate_parse: 153 callbacks suppressed [ 110.913688][ T5260] netlink: 20 bytes leftover after parsing attributes in process `syz.0.179'. [ 110.932589][ T5262] netlink: 20 bytes leftover after parsing attributes in process `syz.0.180'. [ 110.946976][ T5264] netlink: 20 bytes leftover after parsing attributes in process `syz.0.181'. [ 110.981458][ T5266] netlink: 20 bytes leftover after parsing attributes in process `syz.0.182'. [ 110.997174][ T5268] netlink: 20 bytes leftover after parsing attributes in process `syz.0.183'. [ 111.011522][ T5270] netlink: 20 bytes leftover after parsing attributes in process `syz.0.184'. [ 111.044267][ T5272] netlink: 20 bytes leftover after parsing attributes in process `syz.0.185'. [ 111.082303][ T5274] netlink: 20 bytes leftover after parsing attributes in process `syz.0.186'. [ 111.115287][ T5276] netlink: 20 bytes leftover after parsing attributes in process `syz.0.187'. [ 111.149157][ T5278] netlink: 20 bytes leftover after parsing attributes in process `syz.0.188'. 1970/01/01 00:01:51 executed programs: 200 [ 115.931134][ T5804] __nla_validate_parse: 262 callbacks suppressed [ 115.931145][ T5804] netlink: 20 bytes leftover after parsing attributes in process `syz.0.451'. [ 115.950346][ T5806] netlink: 20 bytes leftover after parsing attributes in process `syz.0.452'. [ 115.970450][ T5808] netlink: 20 bytes leftover after parsing attributes in process `syz.0.453'. [ 115.986499][ T5810] netlink: 20 bytes leftover after parsing attributes in process `syz.0.454'. [ 116.002211][ T5812] netlink: 20 bytes leftover after parsing attributes in process `syz.0.455'. [ 116.038483][ T5814] netlink: 20 bytes leftover after parsing attributes in process `syz.0.456'. [ 116.058676][ T5816] netlink: 20 bytes leftover after parsing attributes in process `syz.0.457'. [ 116.074504][ T5818] netlink: 20 bytes leftover after parsing attributes in process `syz.0.458'. [ 116.098522][ T5820] netlink: 20 bytes leftover after parsing attributes in process `syz.0.459'. [ 116.116143][ T5822] netlink: 20 bytes leftover after parsing attributes in process `syz.0.460'. 1970/01/01 00:01:56 executed programs: 476 [ 119.065426][ T6134] chnl_net:caif_netlink_parms(): no params data found [ 119.093799][ T6134] bridge0: port 1(bridge_slave_0) entered blocking state [ 119.095866][ T6134] bridge0: port 1(bridge_slave_0) entered disabled state [ 119.098274][ T6134] device bridge_slave_0 entered promiscuous mode [ 119.101555][ T6134] bridge0: port 2(bridge_slave_1) entered blocking state [ 119.104092][ T6134] bridge0: port 2(bridge_slave_1) entered disabled state [ 119.106546][ T6134] device bridge_slave_1 entered promiscuous mode [ 119.119855][ T6134] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 119.123908][ T6134] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 119.135796][ T6134] team0: Port device team_slave_0 added [ 119.138585][ T6134] team0: Port device team_slave_1 added [ 119.151060][ T6134] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 119.153101][ T6134] 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. [ 119.159898][ T6134] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 119.185559][ T6134] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 119.187452][ T6134] 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. [ 119.195765][ T6134] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 119.254164][ T6134] device hsr_slave_0 entered promiscuous mode [ 119.303622][ T6134] device hsr_slave_1 entered promiscuous mode [ 119.415477][ T6134] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 119.668840][ T6134] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 119.708408][ T6134] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 119.769073][ T6134] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0