[ 35.736310][ T9] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 37.814833][ T9] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 37.854894][ T9] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 37.905538][ T9] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 39.155145][ T9] device hsr_slave_0 left promiscuous mode [ 39.190853][ T9] device hsr_slave_1 left promiscuous mode [ 39.341016][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 39.342336][ T9] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 39.344266][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 39.345474][ T9] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 39.347003][ T9] device bridge_slave_1 left promiscuous mode [ 39.348238][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.382170][ T9] device bridge_slave_0 left promiscuous mode [ 39.383431][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.530893][ T9] device veth1_macvtap left promiscuous mode [ 39.532056][ T9] device veth0_macvtap left promiscuous mode [ 39.533036][ T9] device veth1_vlan left promiscuous mode [ 39.534133][ T9] device veth0_vlan left promiscuous mode [ 39.635020][ T9] team0 (unregistering): Port device team_slave_1 removed [ 39.639303][ T9] team0 (unregistering): Port device team_slave_0 removed [ 39.646292][ T9] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 39.665884][ T9] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 39.775640][ T9] bond0 (unregistering): Released all slaves Warning: Permanently added '10.128.1.147' (ED25519) to the list of known hosts. 1970/01/01 00:00:40 ignoring optional flag "type"="gce" 1970/01/01 00:00:40 parsed 1 programs 1970/01/01 00:00:40 executed programs: 0 [ 40.446268][ T4250] chnl_net:caif_netlink_parms(): no params data found [ 40.464824][ T4250] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.466131][ T4250] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.467896][ T4250] device bridge_slave_0 entered promiscuous mode [ 40.469928][ T4250] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.471467][ T4250] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.473052][ T4250] device bridge_slave_1 entered promiscuous mode [ 40.482068][ T4250] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 40.484544][ T4250] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 40.492975][ T4250] team0: Port device team_slave_0 added [ 40.494833][ T4250] team0: Port device team_slave_1 added [ 40.502387][ T4250] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 40.503539][ T4250] 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. [ 40.507716][ T4250] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 40.510147][ T4250] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 40.511639][ T4250] 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. [ 40.515801][ T4250] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 40.583520][ T4250] device hsr_slave_0 entered promiscuous mode [ 40.620824][ T4250] device hsr_slave_1 entered promiscuous mode [ 41.218663][ T4250] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 41.272903][ T4250] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 41.291839][ T4250] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 41.323129][ T4250] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 41.385624][ T4250] 8021q: adding VLAN 0 to HW filter on device bond0 [ 41.390389][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 41.393080][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 41.395961][ T4250] 8021q: adding VLAN 0 to HW filter on device team0 [ 41.402790][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 41.404606][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 41.406378][ T148] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.407593][ T148] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.409190][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 41.411307][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 41.412802][ T148] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.413953][ T148] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.415432][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 41.417149][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 41.418945][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 41.422853][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 41.424792][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 41.426858][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 41.435306][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 41.437277][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 41.438922][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 41.440926][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 41.442502][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 41.444079][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 41.446515][ T4250] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 41.492367][ T446] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 41.493737][ T446] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 41.495675][ T4250] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 41.504204][ T446] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 41.505884][ T446] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 41.513985][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 41.515652][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 41.518795][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 41.521260][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 41.522850][ T4250] device veth0_vlan entered promiscuous mode [ 41.526415][ T4250] device veth1_vlan entered promiscuous mode [ 41.535357][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 41.537053][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 41.538633][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 41.540284][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 41.544048][ T4250] device veth0_macvtap entered promiscuous mode [ 41.546400][ T4250] device veth1_macvtap entered promiscuous mode [ 41.553563][ T4250] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 41.554814][ T446] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 41.556413][ T446] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 41.557962][ T446] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 41.559601][ T446] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 41.564022][ T4250] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 41.565972][ T446] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 41.567781][ T446] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 41.569962][ T4250] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.571943][ T4250] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.573372][ T4250] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.574821][ T4250] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.606670][ C1] BUG: please report to dccp@vger.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:417/tfrc_rx_hist_sample_rtt() [ 41.609211][ C1] CPU: 1 PID: 4362 Comm: syz-executor.0 Not tainted syzkaller #0 [ 41.610497][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 41.612220][ C1] Call trace: [ 41.612744][ C1] dump_backtrace+0x0/0x458 [ 41.613518][ C1] show_stack+0x2c/0x3c [ 41.614250][ C1] __dump_stack+0x30/0x40 [ 41.615002][ C1] dump_stack_lvl+0xf4/0x15c [ 41.615902][ C1] dump_stack+0x1c/0x5c [ 41.616640][ C1] tfrc_rx_hist_sample_rtt+0x314/0x3e8 [ 41.617581][ C1] ccid3_hc_rx_packet_recv+0x560/0xb08 [ 41.618504][ C1] dccp_rcv_established+0x1ac/0x2d8 [ 41.619439][ C1] dccp_v4_do_rcv+0xa8/0x178 [ 41.620263][ C1] __sk_receive_skb+0x3c0/0x8a0 [ 41.621177][ C1] dccp_v4_rcv+0xf48/0x1438 [ 41.621948][ C1] ip_protocol_deliver_rcu+0x378/0x788 [ 41.622857][ C1] ip_local_deliver_finish+0x1b4/0x304 [ 41.623800][ C1] NF_HOOK+0x2d8/0x368 [ 41.624490][ C1] ip_local_deliver+0x120/0x190 [ 41.625304][ C1] ip_rcv_finish+0x228/0x260 [ 41.626071][ C1] NF_HOOK+0x2d8/0x368 [ 41.626779][ C1] ip_rcv+0x7c/0x9c [ 41.627391][ C1] __netif_receive_skb+0xd0/0x2b0 [ 41.628195][ C1] process_backlog+0x3d0/0x7e8 [ 41.629062][ C1] __napi_poll+0xb8/0x5e0 [ 41.629826][ C1] net_rx_action+0x48c/0xa3c [ 41.630637][ C1] handle_softirqs+0x344/0xc14 [ 41.631456][ C1] do_softirq+0xfc/0x1a4 [ 41.632210][ C1] __local_bh_enable_ip+0x250/0x37c [ 41.633099][ C1] local_bh_enable+0x28/0x1d0 [ 41.633905][ C1] ip_finish_output2+0xe78/0x121c [ 41.634737][ C1] ip_finish_output+0x1b0/0x448 [ 41.635530][ C1] ip_output+0x3bc/0x564 [ 41.636229][ C1] __ip_queue_xmit+0xdf0/0x18f0 [ 41.637095][ C1] ip_queue_xmit+0x5c/0x7c [ 41.637873][ C1] dccp_transmit_skb+0x9e4/0xdd4 [ 41.638765][ C1] dccp_xmit_packet+0x234/0x460 [ 41.639618][ C1] dccp_write_xmit+0x118/0x1d0 [ 41.640470][ C1] dccp_sendmsg+0x510/0x850 [ 41.641285][ C1] inet_sendmsg+0x154/0x27c [ 41.642090][ C1] ____sys_sendmsg+0x578/0x894 [ 41.642848][ C1] ___sys_sendmsg+0x1f0/0x27c [ 41.643670][ C1] __arm64_sys_sendmsg+0x1bc/0x278 [ 41.644478][ C1] invoke_syscall+0x98/0x28c [ 41.645226][ C1] el0_svc_common+0x13c/0x258 [ 41.646018][ C1] do_el0_svc+0x5c/0x140 [ 41.646699][ C1] el0_svc+0x78/0x1d0 [ 41.647379][ C1] el0t_64_sync_handler+0xcc/0xe4 [ 41.648275][ C1] el0t_64_sync+0x1a0/0x1a4 [ 41.652980][ T4361] dccp_close: ABORT with 203 bytes unread [ 42.432229][ T7] Bluetooth: hci0: command 0x0409 tx timeout [ 44.510921][ T25] Bluetooth: hci0: command 0x041b tx timeout 1970/01/01 00:00:45 executed programs: 6 [ 46.590771][ T25] Bluetooth: hci0: command 0x040f tx timeout [ 48.670650][ T4073] Bluetooth: hci0: command 0x0419 tx timeout 1970/01/01 00:00:50 executed programs: 12