last executing test programs: 169.982336ms ago: executing program 0 (id=1): r0 = bpf$MAP_CREATE(0x0, &(0x7f00000009c0)=ANY=[@ANYBLOB="05000000040000001700000001"], 0x48) r1 = bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x11, 0x14, &(0x7f0000000280)=ANY=[@ANYBLOB="180000000000000000000000000000001801000020646c2100000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000008000000b703000000000000850000000600000018110000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b70400000000000085000000c300000095"], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x4, '\x00', 0x0, @fallback=0x37, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9}, 0x94) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000000)={&(0x7f0000000040)='kmem_cache_free\x00', r1}, 0x18) renameat2(0xffffffffffffff9c, 0x0, 0xffffffffffffff9c, 0x0, 0x0) 63.321418ms ago: executing program 0 (id=5): r0 = syz_open_dev$usbfs(&(0x7f00000000c0), 0x800000001fe, 0x82) dup(r0) r1 = bpf$MAP_CREATE(0x1900000000000000, &(0x7f0000000640)=ANY=[@ANYBLOB="1b00000000000000000000000020"], 0x50) bpf$PROG_LOAD(0x5, &(0x7f0000000240)={0x11, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1800000001000000000000000640000018110000", @ANYRES32=r1, @ANYBLOB="0000000000000000b70800000e0000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000000000000850000008200000095"], 0x0, 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) r2 = bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x11, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000180)={&(0x7f0000000080)='contention_end\x00', r2}, 0x10) bpf$MAP_CREATE(0x0, &(0x7f0000000800)=ANY=[], 0x48) ioctl$EVIOCSFF(0xffffffffffffffff, 0x40304580, 0x0) syz_open_dev$evdev(0x0, 0x2, 0x862b01) socket$inet_tcp(0x2, 0x1, 0x0) r3 = epoll_create1(0x0) bpf$MAP_CREATE_RINGBUF(0x0, &(0x7f00000009c0)=ANY=[@ANYBLOB="1b0000000000000000000000000004"], 0x48) r4 = bpf$MAP_CREATE_RINGBUF(0x0, &(0x7f00000009c0)=ANY=[], 0x48) r5 = bpf$PROG_LOAD(0x5, &(0x7f0000000b00)={0x11, 0xf, &(0x7f0000000340)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r4, @ANYBLOB="0000000000000000b702000014000000b7030000000000008500000083000000bf0900000000000055090100000000009500000800000000bf91000000000000b702000043e7b5538500000085000000b70000000000000095"], &(0x7f0000000080)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x26, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) r6 = bpf$MAP_CREATE(0x0, 0x0, 0x48) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, 0x0, 0x0) bpf$OBJ_PIN_MAP(0x6, &(0x7f0000000580)=@o_path={0x0, r6}, 0x18) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000140)='kmem_cache_free\x00', r5}, 0x10) epoll_ctl$EPOLL_CTL_ADD(r3, 0x1, r4, &(0x7f0000000400)={0xa}) syz_usb_connect(0x4, 0x24, 0x0, 0x0) epoll_pwait(r3, &(0x7f0000000080)=[{}], 0x1, 0x4c6, 0x0, 0x0) 0s ago: executing program 3 (id=4): seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000000)={0x1, &(0x7f0000000100)=[{0x6, 0x2, 0x0, 0x7fff0000}]}) r0 = socket$kcm(0x10, 0x2, 0x0) write$cgroup_subtree(r0, &(0x7f0000000000)=ANY=[@ANYBLOB="1c0000001900599c6d0e000091d028ef80"], 0xfe33) kernel console output (not intermixed with test programs): Warning: Permanently added '10.128.1.34' (ED25519) to the list of known hosts. [ 58.942975][ T5769] cgroup: Unknown subsys name 'net' [ 59.080500][ T5769] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 60.496752][ T5769] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 62.081334][ T5786] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 62.090070][ T5786] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 62.099654][ T5786] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 62.108190][ T5786] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 62.117280][ T5786] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 62.118928][ T5789] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 62.125158][ T5786] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 62.134836][ T5789] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 62.141027][ T5786] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 62.150435][ T5791] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 62.152918][ T5786] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 62.160855][ T5789] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 62.167660][ T5786] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 62.177154][ T5789] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 62.181528][ T5786] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 62.188360][ T5789] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 62.197509][ T50] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 62.203613][ T5789] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 62.208992][ T50] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 62.225872][ T50] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 62.236465][ T50] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 62.246410][ T5101] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 62.256417][ T5783] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 62.264607][ T5783] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 62.739159][ T5784] chnl_net:caif_netlink_parms(): no params data found [ 62.761674][ T5780] chnl_net:caif_netlink_parms(): no params data found [ 62.787651][ T5778] chnl_net:caif_netlink_parms(): no params data found [ 62.853456][ T5779] chnl_net:caif_netlink_parms(): no params data found [ 62.937625][ T5784] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.945037][ T5784] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.952439][ T5784] bridge_slave_0: entered allmulticast mode [ 62.960263][ T5784] bridge_slave_0: entered promiscuous mode [ 63.000934][ T5784] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.008369][ T5784] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.015891][ T5784] bridge_slave_1: entered allmulticast mode [ 63.022747][ T5784] bridge_slave_1: entered promiscuous mode [ 63.046896][ T5780] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.054159][ T5780] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.061328][ T5780] bridge_slave_0: entered allmulticast mode [ 63.068456][ T5780] bridge_slave_0: entered promiscuous mode [ 63.100740][ T5780] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.108050][ T5780] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.115561][ T5780] bridge_slave_1: entered allmulticast mode [ 63.122324][ T5780] bridge_slave_1: entered promiscuous mode [ 63.142396][ T5778] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.149635][ T5778] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.157199][ T5778] bridge_slave_0: entered allmulticast mode [ 63.164593][ T5778] bridge_slave_0: entered promiscuous mode [ 63.172140][ T5778] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.179409][ T5778] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.186766][ T5778] bridge_slave_1: entered allmulticast mode [ 63.193609][ T5778] bridge_slave_1: entered promiscuous mode [ 63.228537][ T5780] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.251496][ T5784] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.270761][ T5780] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.302558][ T5784] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.332509][ T5778] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.344756][ T5778] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.372799][ T5779] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.380159][ T5779] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.387688][ T5779] bridge_slave_0: entered allmulticast mode [ 63.394570][ T5779] bridge_slave_0: entered promiscuous mode [ 63.405834][ T5780] team0: Port device team_slave_0 added [ 63.412495][ T5779] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.420956][ T5779] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.428963][ T5779] bridge_slave_1: entered allmulticast mode [ 63.436554][ T5779] bridge_slave_1: entered promiscuous mode [ 63.468338][ T5784] team0: Port device team_slave_0 added [ 63.478030][ T5784] team0: Port device team_slave_1 added [ 63.498101][ T5780] team0: Port device team_slave_1 added [ 63.528649][ T5778] team0: Port device team_slave_0 added [ 63.558529][ T5779] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.570040][ T5778] team0: Port device team_slave_1 added [ 63.588134][ T5784] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 63.595363][ T5784] 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. [ 63.621507][ T5784] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 63.635089][ T5784] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 63.642139][ T5784] 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. [ 63.668626][ T5784] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 63.691297][ T5779] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.723873][ T5780] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 63.731103][ T5780] 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. [ 63.757579][ T5780] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 63.780534][ T5778] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 63.787778][ T5778] 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. [ 63.813867][ T5778] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 63.827359][ T5778] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 63.834578][ T5778] 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. [ 63.862069][ T5778] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 63.891392][ T5780] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 63.898525][ T5780] 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. [ 63.925802][ T5780] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 63.952184][ T5779] team0: Port device team_slave_0 added [ 63.960697][ T5779] team0: Port device team_slave_1 added [ 64.010439][ T5784] hsr_slave_0: entered promiscuous mode [ 64.017450][ T5784] hsr_slave_1: entered promiscuous mode [ 64.057533][ T5779] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 64.064577][ T5779] 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. [ 64.091133][ T5779] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 64.118575][ T5778] hsr_slave_0: entered promiscuous mode [ 64.125474][ T5778] hsr_slave_1: entered promiscuous mode [ 64.131831][ T5778] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 64.140016][ T5778] Cannot create hsr debugfs directory [ 64.147428][ T5779] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 64.155014][ T5779] 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. [ 64.181379][ T5779] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 64.210177][ T5780] hsr_slave_0: entered promiscuous mode [ 64.217003][ T5780] hsr_slave_1: entered promiscuous mode [ 64.223887][ T5780] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 64.231555][ T5780] Cannot create hsr debugfs directory [ 64.243631][ T5785] Bluetooth: hci1: command tx timeout [ 64.322947][ T5785] Bluetooth: hci0: command tx timeout [ 64.324971][ T50] Bluetooth: hci2: command tx timeout [ 64.328664][ T5785] Bluetooth: hci3: command tx timeout [ 64.388213][ T5779] hsr_slave_0: entered promiscuous mode [ 64.395277][ T5779] hsr_slave_1: entered promiscuous mode [ 64.401444][ T5779] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 64.409873][ T5779] Cannot create hsr debugfs directory [ 64.679892][ T5778] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 64.699168][ T5778] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 64.710060][ T5778] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 64.721301][ T5778] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 64.788229][ T5784] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 64.802336][ T5784] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 64.823064][ T5784] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 64.836803][ T5784] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 64.914781][ T5780] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 64.936529][ T5780] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 64.953916][ T5780] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 64.971246][ T5780] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 65.070023][ T5779] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 65.079536][ T5779] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 65.097617][ T5779] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 65.107609][ T5779] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 65.130195][ T5778] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.186961][ T5778] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.221591][ T5784] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.230276][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.237683][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.268392][ T11] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.275764][ T11] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.337587][ T5784] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.355742][ T1085] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.363145][ T1085] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.395847][ T1085] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.403021][ T1085] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.445911][ T5778] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 65.530541][ T5779] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.547059][ T5780] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.587753][ T5779] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.638321][ T42] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.645542][ T42] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.683229][ T42] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.690397][ T42] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.759200][ T5780] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.824874][ T42] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.832056][ T42] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.862157][ T42] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.869379][ T42] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.889505][ T5778] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.999792][ T5784] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.065562][ T5778] veth0_vlan: entered promiscuous mode [ 66.114588][ T5778] veth1_vlan: entered promiscuous mode [ 66.166704][ T5784] veth0_vlan: entered promiscuous mode [ 66.177974][ T5779] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.200597][ T5784] veth1_vlan: entered promiscuous mode [ 66.238972][ T5778] veth0_macvtap: entered promiscuous mode [ 66.258206][ T5784] veth0_macvtap: entered promiscuous mode [ 66.291865][ T5778] veth1_macvtap: entered promiscuous mode [ 66.318189][ T5784] veth1_macvtap: entered promiscuous mode [ 66.335940][ T5785] Bluetooth: hci1: command tx timeout [ 66.374586][ T5784] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 66.388297][ T5778] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 66.399298][ T5778] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 66.407980][ T5785] Bluetooth: hci2: command tx timeout [ 66.412108][ T5778] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 66.415108][ T5783] Bluetooth: hci0: command tx timeout [ 66.428497][ T50] Bluetooth: hci3: command tx timeout [ 66.428868][ T5778] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 66.448831][ T5779] veth0_vlan: entered promiscuous mode [ 66.458490][ T5784] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 66.469944][ T5784] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 66.484070][ T5784] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 66.499771][ T5779] veth1_vlan: entered promiscuous mode [ 66.511011][ T5784] netdevsim netdevsim3 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.522511][ T5784] netdevsim netdevsim3 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.532541][ T5784] netdevsim netdevsim3 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.541318][ T5784] netdevsim netdevsim3 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.556626][ T5778] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.566529][ T5778] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.575847][ T5778] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.584603][ T5778] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.607442][ T5780] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.717069][ T5780] veth0_vlan: entered promiscuous mode [ 66.772416][ T143] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 66.774583][ T5779] veth0_macvtap: entered promiscuous mode [ 66.787984][ T143] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 66.809202][ T5780] veth1_vlan: entered promiscuous mode [ 66.832014][ T5779] veth1_macvtap: entered promiscuous mode [ 66.884537][ T1085] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 66.898527][ T1085] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 66.911326][ T42] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 66.921148][ T5779] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 66.932101][ T42] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 66.939311][ T5779] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 66.954145][ T5779] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 66.966459][ T5779] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 66.977422][ T5779] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 66.995874][ T5780] veth0_macvtap: entered promiscuous mode [ 67.023393][ T5780] veth1_macvtap: entered promiscuous mode [ 67.033706][ T5779] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 67.046614][ T5779] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 67.062522][ T5779] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 67.073949][ T5779] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 67.085650][ T5779] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 67.094178][ T3497] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.104052][ T3497] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 67.117683][ T5779] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.127967][ T5779] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.137361][ T5779] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.146964][ T5779] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.165097][ T5780] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 67.187313][ T5780] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 67.197622][ T5780] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 67.209102][ T5780] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 67.219127][ T5780] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 67.229898][ T5780] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 67.242187][ T5780] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 67.277597][ T5780] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 67.299202][ T5780] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 67.311972][ T5780] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 67.327417][ T5780] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 67.337633][ T5780] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 67.357887][ T5780] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 67.369813][ T5780] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 67.386948][ T5780] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.405368][ T5780] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.415629][ T5780] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.427846][ T5780] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.574406][ T1085] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.604587][ T1085] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 67.639728][ T12] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.662945][ C1] [ 67.665306][ C1] ============================================ [ 67.671447][ C1] WARNING: possible recursive locking detected [ 67.677580][ C1] syzkaller #0 Not tainted [ 67.682076][ C1] -------------------------------------------- [ 67.688216][ C1] kworker/u4:8/3497 is trying to acquire lock: [ 67.694342][ C1] ffffc90002e5e0d8 (&rb->spinlock){-.-.}-{2:2}, at: __bpf_ringbuf_reserve+0x1c8/0x5a0 [ 67.703903][ C1] [ 67.703903][ C1] but task is already holding lock: [ 67.711349][ C1] ffffc90004c150d8 (&rb->spinlock){-.-.}-{2:2}, at: __bpf_ringbuf_reserve+0x1c8/0x5a0 [ 67.721067][ C1] [ 67.721067][ C1] other info that might help us debug this: [ 67.729106][ C1] Possible unsafe locking scenario: [ 67.729106][ C1] [ 67.736551][ C1] CPU0 [ 67.739818][ C1] ---- [ 67.743256][ C1] lock(&rb->spinlock); [ 67.747499][ C1] lock(&rb->spinlock); [ 67.751729][ C1] [ 67.751729][ C1] *** DEADLOCK *** [ 67.751729][ C1] [ 67.759851][ C1] May be due to missing lock nesting notation [ 67.759851][ C1] [ 67.768181][ C1] 7 locks held by kworker/u4:8/3497: [ 67.773458][ C1] #0: ffff88802bf91938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x957/0x15b0 [ 67.785094][ C1] #1: ffffc9000ce97d00 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x957/0x15b0 [ 67.797877][ C1] #2: ffffffff8dfbc908 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xd0/0x14e0 [ 67.807276][ C1] #3: ffffffff8cd2ff40 (rcu_callback){....}-{0:0}, at: rcu_core+0xc51/0x1720 [ 67.816337][ C1] #4: ffffffff8cd2fe20 (rcu_read_lock){....}-{1:2}, at: bpf_trace_run3+0xf4/0x400 [ 67.825758][ C1] #5: ffffc90004c150d8 (&rb->spinlock){-.-.}-{2:2}, at: __bpf_ringbuf_reserve+0x1c8/0x5a0 [ 67.835748][ C1] #6: ffffffff8cd2fe20 (rcu_read_lock){....}-{1:2}, at: bpf_trace_run2+0xde/0x3c0 [ 67.845306][ C1] [ 67.845306][ C1] stack backtrace: [ 67.851272][ C1] CPU: 1 PID: 3497 Comm: kworker/u4:8 Not tainted syzkaller #0 [ 67.858832][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 67.868875][ C1] Workqueue: ipv6_addrconf addrconf_dad_work [ 67.874859][ C1] Call Trace: [ 67.878124][ C1] [ 67.881024][ C1] dump_stack_lvl+0x16c/0x230 [ 67.885690][ C1] ? show_regs_print_info+0x20/0x20 [ 67.890891][ C1] ? print_deadlock_bug+0x435/0x5d0 [ 67.896076][ C1] __lock_acquire+0x5d40/0x7c80 [ 67.900943][ C1] ? try_to_wake_up+0x6f4/0x1140 [ 67.905935][ C1] ? verify_lock_unused+0x140/0x140 [ 67.911210][ C1] ? __lock_acquire+0x7c80/0x7c80 [ 67.916222][ C1] ? try_to_wake_up+0x724/0x1140 [ 67.921228][ C1] ? mark_lock+0x94/0x320 [ 67.925580][ C1] lock_acquire+0x197/0x410 [ 67.930077][ C1] ? __bpf_ringbuf_reserve+0x1c8/0x5a0 [ 67.935574][ C1] ? read_lock_is_recursive+0x20/0x20 [ 67.941134][ C1] _raw_spin_lock_irqsave+0xa8/0xf0 [ 67.946514][ C1] ? __bpf_ringbuf_reserve+0x1c8/0x5a0 [ 67.952241][ C1] ? _raw_spin_lock+0x40/0x40 [ 67.957177][ C1] ? __lock_acquire+0x1334/0x7c80 [ 67.962203][ C1] ? deref_stack_reg+0x1bd/0x240 [ 67.967161][ C1] __bpf_ringbuf_reserve+0x1c8/0x5a0 [ 67.972457][ C1] ? bpf_ringbuf_notify+0x30/0x30 [ 67.977515][ C1] ? __cant_sleep+0x210/0x210 [ 67.982193][ C1] bpf_ringbuf_output+0x69/0x1e0 [ 67.987143][ C1] bpf_prog_fab844a31c87a330+0x4d/0x51 [ 67.992711][ C1] bpf_trace_run2+0x1d1/0x3c0 [ 67.997470][ C1] ? bpf_trace_run2+0xde/0x3c0 [ 68.002312][ C1] ? bpf_trace_run1+0x3b0/0x3b0 [ 68.007153][ C1] ? __bpf_trace_contention_end+0xce/0x130 [ 68.012955][ C1] __bpf_trace_contention_end+0xdd/0x130 [ 68.018849][ C1] ? __bpf_trace_contention_begin+0x130/0x130 [ 68.024930][ C1] ? __read_once_word_nocheck+0x9/0x10 [ 68.030392][ C1] ? deref_stack_reg+0x1bd/0x240 [ 68.035316][ C1] ? verify_lock_unused+0x140/0x140 [ 68.040509][ C1] trace_contention_end+0xe6/0x110 [ 68.045603][ C1] __pv_queued_spin_lock_slowpath+0x7ec/0x9d0 [ 68.051663][ C1] ? __lock_acquire+0x1260/0x7c80 [ 68.056668][ C1] ? __pv_queued_spin_unlock_slowpath+0x2a0/0x2a0 [ 68.063062][ C1] do_raw_spin_lock+0x24e/0x2c0 [ 68.067892][ C1] ? __rwlock_init+0x150/0x150 [ 68.072637][ C1] ? mark_lock+0x94/0x320 [ 68.077029][ C1] _raw_spin_lock_irqsave+0xb4/0xf0 [ 68.082271][ C1] ? _raw_spin_lock+0x40/0x40 [ 68.086922][ C1] ? kasan_set_track+0x4e/0x70 [ 68.091660][ C1] __bpf_ringbuf_reserve+0x1c8/0x5a0 [ 68.096989][ C1] ? bpf_ringbuf_notify+0x30/0x30 [ 68.102017][ C1] ? __cant_sleep+0x210/0x210 [ 68.106704][ C1] bpf_ringbuf_reserve+0x5c/0x70 [ 68.111634][ C1] bpf_prog_fe0ed97373b08409+0x2d/0x4a [ 68.117089][ C1] bpf_trace_run3+0x1e7/0x400 [ 68.122034][ C1] ? bpf_trace_run3+0xf4/0x400 [ 68.126795][ C1] ? bpf_trace_run2+0x3c0/0x3c0 [ 68.131764][ C1] ? rcu_core+0xcc4/0x1720 [ 68.136676][ C1] ? _raw_spin_unlock_irqrestore+0x86/0x110 [ 68.143039][ C1] ? lockdep_hardirqs_on+0x98/0x150 [ 68.148349][ C1] ? read_lock_is_recursive+0x20/0x20 [ 68.153830][ C1] ? _raw_spin_unlock_irqrestore+0xae/0x110 [ 68.159799][ C1] ? _raw_spin_unlock+0x40/0x40 [ 68.164643][ C1] ? rcu_core+0xc51/0x1720 [ 68.169048][ C1] ? rcu_core+0xcc4/0x1720 [ 68.173454][ C1] kmem_cache_free+0x1e0/0x280 [ 68.178221][ C1] ? put_cred+0x60/0x60 [ 68.182389][ C1] rcu_core+0xcc4/0x1720 [ 68.186623][ C1] ? rcu_cpu_kthread_park+0x90/0x90 [ 68.191806][ C1] ? __lock_acquire+0x7c80/0x7c80 [ 68.196865][ C1] ? rebalance_domains+0x8ad/0x9d0 [ 68.201977][ C1] ? rebalance_domains+0x127/0x9d0 [ 68.207157][ C1] handle_softirqs+0x280/0x820 [ 68.211926][ C1] ? irq_work_single+0x199/0x230 [ 68.216890][ C1] ? do_softirq+0xed/0x180 [ 68.221323][ C1] ? do_softirq+0x180/0x180 [ 68.225824][ C1] ? rcu_is_watching+0x15/0xb0 [ 68.230585][ C1] ? ip6_ins_rt+0xd3/0x120 [ 68.234990][ C1] do_softirq+0xed/0x180 [ 68.239218][ C1] [ 68.242131][ C1] [ 68.245041][ C1] ? __local_bh_enable_ip+0x1c0/0x1c0 [ 68.250392][ C1] ? lockdep_hardirqs_on_prepare+0x760/0x760 [ 68.256371][ C1] ? rcu_is_watching+0x15/0xb0 [ 68.261122][ C1] __local_bh_enable_ip+0x178/0x1c0 [ 68.266330][ C1] ? _local_bh_enable+0xa0/0xa0 [ 68.271263][ C1] ? ip6_ins_rt+0xd3/0x120 [ 68.275695][ C1] ip6_ins_rt+0xd3/0x120 [ 68.279941][ C1] ? rt6_lookup+0x1d0/0x1d0 [ 68.284450][ C1] ? nlmsg_notify+0xf0/0x1a0 [ 68.289030][ C1] ? nlmsg_notify+0x14a/0x1a0 [ 68.293701][ C1] __ipv6_ifa_notify+0x62f/0xaa0 [ 68.298622][ C1] ? snmp6_fill_stats+0x8c0/0x8c0 [ 68.303622][ C1] ? lockdep_hardirqs_on_prepare+0x400/0x760 [ 68.309580][ C1] ? lock_chain_count+0x20/0x20 [ 68.314424][ C1] ? __mutex_trylock_common+0x153/0x250 [ 68.320061][ C1] ? __cancel_work+0x1f8/0x2d0 [ 68.325020][ C1] ? lockdep_hardirqs_on+0x98/0x150 [ 68.330479][ C1] ? __cancel_work+0x273/0x2d0 [ 68.335334][ C1] ? cancel_work+0x20/0x20 [ 68.339990][ C1] ? lockdep_hardirqs_on_prepare+0x400/0x760 [ 68.346065][ C1] ? lock_chain_count+0x20/0x20 [ 68.350909][ C1] addrconf_dad_completed+0x181/0xd40 [ 68.356387][ C1] ? addrconf_dad_stop+0x430/0x430 [ 68.361582][ C1] addrconf_dad_work+0xc4e/0x14e0 [ 68.366612][ C1] ? ipv6_get_saddr_eval+0xee0/0xee0 [ 68.371977][ C1] ? read_lock_is_recursive+0x20/0x20 [ 68.377335][ C1] ? _raw_spin_unlock_irq+0x23/0x50 [ 68.382540][ C1] ? process_scheduled_works+0x957/0x15b0 [ 68.388257][ C1] ? process_scheduled_works+0x957/0x15b0 [ 68.394049][ C1] process_scheduled_works+0xa45/0x15b0 [ 68.399588][ C1] ? assign_work+0x400/0x400 [ 68.404160][ C1] ? assign_work+0x39e/0x400 [ 68.408729][ C1] worker_thread+0xa55/0xfc0 [ 68.413315][ C1] ? _raw_spin_unlock_irqrestore+0xae/0x110 [ 68.419397][ C1] ? _raw_spin_unlock+0x40/0x40 [ 68.424240][ C1] ? _raw_spin_unlock_irqrestore+0x86/0x110 [ 68.430231][ C1] kthread+0x2fa/0x390 [ 68.434295][ C1] ? pr_cont_work+0x560/0x560 [ 68.438961][ C1] ? kthread_blkcg+0xd0/0xd0 [ 68.443544][ C1] ret_from_fork+0x48/0x80 [ 68.448058][ C1] ? kthread_blkcg+0xd0/0xd0 [ 68.452646][ C1] ret_from_fork_asm+0x11/0x20 [ 68.457397][ C1] [ 68.465653][ T5783] Bluetooth: hci1: command tx timeout [ 68.468552][ T12] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 68.483139][ T5783] Bluetooth: hci0: command tx timeout [ 68.484914][ T50] Bluetooth: hci3: command tx timeout [ 68.488543][ T5783] Bluetooth: hci2: command tx timeout [ 68.501426][ T5780] ieee80211 phy9: Selected rate control algorithm 'minstrel_ht' [ 68.552175][ T3497] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 68.558314][ T5780] ieee80211 phy10: Selected rate control algorithm 'minstrel_ht' [ 68.561612][ T3497] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 68.611623][ T143] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 68.630795][ T143] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 70.482927][ T50] Bluetooth: hci1: command tx timeout [ 70.563270][ T50] Bluetooth: hci3: command tx timeout [ 70.568721][ T5785] Bluetooth: hci2: command tx timeout [ 70.568727][ T5783] Bluetooth: hci0: command tx timeout [ 71.525839][ T1287] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.532151][ T1287] ieee802154 phy1 wpan1: encryption failed: -22