Warning: Permanently added '10.128.1.124' (ED25519) to the list of known hosts. 1970/01/01 00:01:01 parsed 1 programs [ 62.934942][ T4466] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 65.925939][ T4547] chnl_net:caif_netlink_parms(): no params data found [ 65.942560][ T4547] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.943817][ T4547] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.945415][ T4547] device bridge_slave_0 entered promiscuous mode [ 65.947351][ T4547] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.948455][ T4547] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.949962][ T4547] device bridge_slave_1 entered promiscuous mode [ 65.960243][ T4547] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.962663][ T4547] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.970162][ T4547] team0: Port device team_slave_0 added [ 65.971886][ T4547] team0: Port device team_slave_1 added [ 65.978868][ T4547] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 65.979963][ T4547] 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. [ 65.983834][ T4547] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 65.986146][ T4547] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 65.987217][ T4547] 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. [ 65.991244][ T4547] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 66.045637][ T4547] device hsr_slave_0 entered promiscuous mode [ 66.084508][ T4547] device hsr_slave_1 entered promiscuous mode [ 66.714756][ T4547] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 66.755474][ T4547] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 66.815429][ T4547] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 66.855740][ T4547] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 66.975083][ T4547] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.979090][ T1639] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.980475][ T1639] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.983099][ T4547] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.991143][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.992843][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.994636][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.995670][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.997419][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.006206][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.007618][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.009235][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.010404][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.014646][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.016214][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.023565][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.026735][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.035466][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.037291][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.042371][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.044044][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.047055][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.048565][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.050130][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.055368][ T4547] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.114656][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 67.115979][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 67.118902][ T4547] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.126824][ T1639] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 67.128360][ T1639] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 67.136338][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 67.137760][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 67.139290][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 67.140685][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 67.143268][ T4547] device veth0_vlan entered promiscuous mode [ 67.147652][ T4547] device veth1_vlan entered promiscuous mode [ 67.155304][ T1639] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 67.156953][ T1639] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 67.158331][ T1639] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 67.159835][ T1639] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 67.163546][ T4547] device veth0_macvtap entered promiscuous mode [ 67.167661][ T4547] device veth1_macvtap entered promiscuous mode [ 67.172433][ T4547] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 67.180550][ T402] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 67.182120][ T402] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 67.183477][ T402] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 67.185836][ T402] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 67.188834][ T4547] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 67.190044][ T1639] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 67.191707][ T1639] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 67.195508][ T4547] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.196987][ T4547] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.198372][ T4547] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.199717][ T4547] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.507058][ T1639] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.508744][ T1639] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 67.512306][ T136] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 67.516421][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 67.522394][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.523691][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 67.526551][ T1639] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:01:08 executed programs: 0 [ 68.452814][ T4841] chnl_net:caif_netlink_parms(): no params data found [ 68.470168][ T4841] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.471270][ T4841] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.472725][ T4841] device bridge_slave_0 entered promiscuous mode [ 68.475153][ T4841] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.476274][ T4841] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.477711][ T4841] device bridge_slave_1 entered promiscuous mode [ 68.487293][ T4841] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.489828][ T4841] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.498761][ T4841] team0: Port device team_slave_0 added [ 68.500684][ T4841] team0: Port device team_slave_1 added [ 68.507970][ T4841] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 68.509051][ T4841] 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. [ 68.512797][ T4841] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 68.515594][ T4841] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 68.516735][ T4841] 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. [ 68.520610][ T4841] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 68.565472][ T4841] device hsr_slave_0 entered promiscuous mode [ 68.604626][ T4841] device hsr_slave_1 entered promiscuous mode [ 68.644518][ T4841] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.645733][ T4841] Cannot create hsr debugfs directory [ 69.625622][ T2497] cfg80211: failed to load regulatory.db [ 69.625754][ T2064] ieee802154 phy0 wpan0: encryption failed: -22 [ 69.627760][ T2064] ieee802154 phy1 wpan1: encryption failed: -22 [ 70.207413][ T136] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 70.424308][ T4062] Bluetooth: hci0: command 0x0409 tx timeout [ 72.504847][ T2497] Bluetooth: hci0: command 0x041b tx timeout [ 72.677145][ T136] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 72.708055][ T136] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 73.627226][ T4841] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 73.655904][ T4841] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 73.691430][ T4841] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 73.735715][ T4841] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 73.787930][ T4841] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.791693][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 73.793198][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.796105][ T4841] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.798581][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 73.800129][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.801583][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.802675][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.803991][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 73.808873][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 73.810431][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.811761][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.812749][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.816035][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 73.818778][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 73.822114][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 73.824108][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.827161][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 73.829811][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 73.831403][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.834052][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 73.836880][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.839598][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 73.841091][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.843446][ T4841] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 73.883163][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 73.884760][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 73.888361][ T4841] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 73.901565][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 73.903346][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 73.912841][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 73.914445][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 73.915940][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 73.917283][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 73.919591][ T4841] device veth0_vlan entered promiscuous mode [ 73.923086][ T4841] device veth1_vlan entered promiscuous mode [ 73.930837][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 73.932312][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 73.933697][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 73.935539][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 73.938581][ T4841] device veth0_macvtap entered promiscuous mode [ 73.941058][ T4841] device veth1_macvtap entered promiscuous mode [ 73.949220][ T4841] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 73.950864][ T4841] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 73.952964][ T4841] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 73.954132][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 73.957072][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 73.958749][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 73.960230][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 73.962573][ T4841] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 73.964228][ T4841] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 73.966368][ T4841] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 73.968681][ T4841] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.969970][ T4841] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.971278][ T4841] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.972695][ T4841] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.976745][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 73.978463][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 73.996250][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 74.001072][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 74.003531][ T1605] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 74.005570][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 74.006867][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 74.008401][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:01:13 executed programs: 2 [ 74.027627][ T5014] dccp_xmit_packet: Payload too large (65475) for featneg. [ 74.051883][ T5016] dccp_xmit_packet: Payload too large (65475) for featneg. [ 74.067765][ T5018] dccp_xmit_packet: Payload too large (65475) for featneg. [ 74.075377][ T5018] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 74.077168][ T5018] CPU: 0 PID: 5018 Comm: syz.0.18 Not tainted syzkaller #0 [ 74.078291][ T5018] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.079884][ T5018] Call trace: [ 74.080368][ T5018] dump_backtrace+0x0/0x458 [ 74.081047][ T5018] show_stack+0x2c/0x3c [ 74.081674][ T5018] __dump_stack+0x30/0x40 [ 74.082331][ T5018] dump_stack_lvl+0xf4/0x15c [ 74.082981][ T5018] dump_stack+0x1c/0x5c [ 74.083609][ T5018] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 74.084425][ T5018] dccp_xmit_packet+0x298/0x448 [ 74.085158][ T5018] dccp_write_xmit+0x118/0x1d0 [ 74.085906][ T5018] dccp_sendmsg+0x550/0x8b8 [ 74.086525][ T5018] inet_sendmsg+0x154/0x284 [ 74.087220][ T5018] __sys_sendto+0x30c/0x420 [ 74.087921][ T5018] __arm64_sys_sendto+0xd8/0xf8 [ 74.088689][ T5018] invoke_syscall+0x98/0x2b0 [ 74.089398][ T5018] el0_svc_common+0x138/0x258 [ 74.090125][ T5018] do_el0_svc+0x58/0x13c [ 74.090757][ T5018] el0_svc+0x78/0x1d0 [ 74.091362][ T5018] el0t_64_sync_handler+0xcc/0xe4 [ 74.092100][ T5018] el0t_64_sync+0x1a0/0x1a4 [ 74.095807][ T5018] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 74.097630][ T5018] CPU: 1 PID: 5018 Comm: syz.0.18 Not tainted syzkaller #0 [ 74.098851][ T5018] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.100478][ T5018] Call trace: [ 74.100955][ T5018] dump_backtrace+0x0/0x458 [ 74.101682][ T5018] show_stack+0x2c/0x3c [ 74.102313][ T5018] __dump_stack+0x30/0x40 [ 74.102994][ T5018] dump_stack_lvl+0xf4/0x15c [ 74.103678][ T5018] dump_stack+0x1c/0x5c [ 74.104319][ T5018] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 74.105168][ T5018] dccp_xmit_packet+0x298/0x448 [ 74.105950][ T5018] dccp_write_xmit+0x118/0x1d0 [ 74.106696][ T5018] dccp_sendmsg+0x550/0x8b8 [ 74.107404][ T5018] inet_sendmsg+0x154/0x284 [ 74.108154][ T5018] __sys_sendto+0x30c/0x420 [ 74.108778][ T5018] __arm64_sys_sendto+0xd8/0xf8 [ 74.109470][ T5018] invoke_syscall+0x98/0x2b0 [ 74.110167][ T5018] el0_svc_common+0x138/0x258 [ 74.110832][ T5018] do_el0_svc+0x58/0x13c [ 74.111479][ T5018] el0_svc+0x78/0x1d0 [ 74.112088][ T5018] el0t_64_sync_handler+0xcc/0xe4 [ 74.112821][ T5018] el0t_64_sync+0x1a0/0x1a4 [ 74.113984][ T5018] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 74.116949][ T5018] CPU: 1 PID: 5018 Comm: syz.0.18 Not tainted syzkaller #0 [ 74.118015][ T5018] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.119547][ T5018] Call trace: [ 74.120033][ T5018] dump_backtrace+0x0/0x458 [ 74.120704][ T5018] show_stack+0x2c/0x3c [ 74.121331][ T5018] __dump_stack+0x30/0x40 [ 74.121991][ T5018] dump_stack_lvl+0xf4/0x15c [ 74.122729][ T5018] dump_stack+0x1c/0x5c [ 74.123320][ T5018] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 74.124078][ T5018] dccp_xmit_packet+0x298/0x448 [ 74.124823][ T5018] dccp_write_xmit+0x118/0x1d0 [ 74.125548][ T5018] dccp_sendmsg+0x550/0x8b8 [ 74.126220][ T5018] inet_sendmsg+0x154/0x284 [ 74.126938][ T5018] __sys_sendto+0x30c/0x420 [ 74.127593][ T5018] __arm64_sys_sendto+0xd8/0xf8 [ 74.128354][ T5018] invoke_syscall+0x98/0x2b0 [ 74.129078][ T5018] el0_svc_common+0x138/0x258 [ 74.129806][ T5018] do_el0_svc+0x58/0x13c [ 74.130511][ T5018] el0_svc+0x78/0x1d0 [ 74.131123][ T5018] el0t_64_sync_handler+0xcc/0xe4 [ 74.131845][ T5018] el0t_64_sync+0x1a0/0x1a4 [ 74.132752][ T5018] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 74.135683][ T5018] CPU: 1 PID: 5018 Comm: syz.0.18 Not tainted syzkaller #0 [ 74.136769][ T5018] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.138253][ T5018] Call trace: [ 74.138698][ T5018] dump_backtrace+0x0/0x458 [ 74.139375][ T5018] show_stack+0x2c/0x3c [ 74.139939][ T5018] __dump_stack+0x30/0x40 [ 74.140581][ T5018] dump_stack_lvl+0xf4/0x15c [ 74.141242][ T5018] dump_stack+0x1c/0x5c [ 74.141894][ T5018] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 74.142697][ T5018] dccp_xmit_packet+0x298/0x448 [ 74.143496][ T5018] dccp_write_xmit+0x118/0x1d0 [ 74.144185][ T5018] dccp_sendmsg+0x550/0x8b8 [ 74.144838][ T5018] inet_sendmsg+0x154/0x284 [ 74.145506][ T5018] __sys_sendto+0x30c/0x420 [ 74.146188][ T5018] __arm64_sys_sendto+0xd8/0xf8 [ 74.146952][ T5018] invoke_syscall+0x98/0x2b0 [ 74.147690][ T5018] el0_svc_common+0x138/0x258 [ 74.148411][ T5018] do_el0_svc+0x58/0x13c [ 74.149086][ T5018] el0_svc+0x78/0x1d0 [ 74.149692][ T5018] el0t_64_sync_handler+0xcc/0xe4 [ 74.150511][ T5018] el0t_64_sync+0x1a0/0x1a4 [ 74.151370][ T5018] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 74.152998][ T5018] CPU: 1 PID: 5018 Comm: syz.0.18 Not tainted syzkaller #0 [ 74.154093][ T5018] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.155554][ T5018] Call trace: [ 74.156039][ T5018] dump_backtrace+0x0/0x458 [ 74.156742][ T5018] show_stack+0x2c/0x3c [ 74.157397][ T5018] __dump_stack+0x30/0x40 [ 74.158021][ T5018] dump_stack_lvl+0xf4/0x15c [ 74.158671][ T5018] dump_stack+0x1c/0x5c [ 74.159271][ T5018] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 74.160111][ T5018] dccp_xmit_packet+0x298/0x448 [ 74.160860][ T5018] dccp_write_xmit+0x118/0x1d0 [ 74.161587][ T5018] dccp_sendmsg+0x550/0x8b8 [ 74.162279][ T5018] inet_sendmsg+0x154/0x284 [ 74.162935][ T5018] __sys_sendto+0x30c/0x420 [ 74.163593][ T5018] __arm64_sys_sendto+0xd8/0xf8 [ 74.164314][ T5018] invoke_syscall+0x98/0x2b0 [ 74.165025][ T5018] el0_svc_common+0x138/0x258 [ 74.165808][ T5018] do_el0_svc+0x58/0x13c [ 74.166427][ T5018] el0_svc+0x78/0x1d0 [ 74.167057][ T5018] el0t_64_sync_handler+0xcc/0xe4 [ 74.167850][ T5018] el0t_64_sync+0x1a0/0x1a4 [ 74.169402][ T5018] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 74.171223][ T5018] CPU: 1 PID: 5018 Comm: syz.0.18 Not tainted syzkaller #0 [ 74.172393][ T5018] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.173993][ T5018] Call trace: [ 74.174503][ T5018] dump_backtrace+0x0/0x458 [ 74.175232][ T5018] show_stack+0x2c/0x3c [ 74.175864][ T5018] __dump_stack+0x30/0x40 [ 74.176600][ T5018] dump_stack_lvl+0xf4/0x15c [ 74.177319][ T5018] dump_stack+0x1c/0x5c [ 74.178001][ T5018] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 74.178812][ T5018] dccp_xmit_packet+0x298/0x448 [ 74.179547][ T5018] dccp_write_xmit+0x118/0x1d0 [ 74.180273][ T5018] dccp_sendmsg+0x550/0x8b8 [ 74.180960][ T5018] inet_sendmsg+0x154/0x284 [ 74.181716][ T5018] __sys_sendto+0x30c/0x420 [ 74.182373][ T5018] __arm64_sys_sendto+0xd8/0xf8 [ 74.183096][ T5018] invoke_syscall+0x98/0x2b0 [ 74.183802][ T5018] el0_svc_common+0x138/0x258 [ 74.184497][ T5018] do_el0_svc+0x58/0x13c [ 74.185151][ T5018] el0_svc+0x78/0x1d0 [ 74.185736][ T5018] el0t_64_sync_handler+0xcc/0xe4 [ 74.186457][ T5018] el0t_64_sync+0x1a0/0x1a4 [ 74.187544][ T5018] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 74.189170][ T5018] CPU: 1 PID: 5018 Comm: syz.0.18 Not tainted syzkaller #0 [ 74.190291][ T5018] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.191661][ T5018] Call trace: [ 74.192146][ T5018] dump_backtrace+0x0/0x458 [ 74.192829][ T5018] show_stack+0x2c/0x3c [ 74.193450][ T5018] __dump_stack+0x30/0x40 [ 74.194143][ T5018] dump_stack_lvl+0xf4/0x15c [ 74.194809][ T5018] dump_stack+0x1c/0x5c [ 74.195430][ T5018] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 74.196276][ T5018] dccp_xmit_packet+0x298/0x448 [ 74.197034][ T5018] dccp_write_xmit+0x118/0x1d0 [ 74.197793][ T5018] dccp_sendmsg+0x550/0x8b8 [ 74.198491][ T5018] inet_sendmsg+0x154/0x284 [ 74.199178][ T5018] __sys_sendto+0x30c/0x420 [ 74.199805][ T5018] __arm64_sys_sendto+0xd8/0xf8 [ 74.200493][ T5018] invoke_syscall+0x98/0x2b0 [ 74.201181][ T5018] el0_svc_common+0x138/0x258 [ 74.201838][ T5018] do_el0_svc+0x58/0x13c [ 74.202451][ T5018] el0_svc+0x78/0x1d0 [ 74.203098][ T5018] el0t_64_sync_handler+0xcc/0xe4 [ 74.203852][ T5018] el0t_64_sync+0x1a0/0x1a4 [ 74.204935][ T5018] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 74.206708][ T5018] CPU: 1 PID: 5018 Comm: syz.0.18 Not tainted syzkaller #0 [ 74.207871][ T5018] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.209507][ T5018] Call trace: [ 74.209965][ T5018] dump_backtrace+0x0/0x458 [ 74.210623][ T5018] show_stack+0x2c/0x3c [ 74.211191][ T5018] __dump_stack+0x30/0x40 [ 74.211796][ T5018] dump_stack_lvl+0xf4/0x15c [ 74.212431][ T5018] dump_stack+0x1c/0x5c [ 74.213013][ T5018] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 74.213814][ T5018] dccp_xmit_packet+0x298/0x448 [ 74.214535][ T5018] dccp_write_xmit+0x118/0x1d0 [ 74.215225][ T5018] dccp_sendmsg+0x550/0x8b8 [ 74.215988][ T5018] inet_sendmsg+0x154/0x284 [ 74.216670][ T5018] __sys_sendto+0x30c/0x420 [ 74.217312][ T5018] __arm64_sys_sendto+0xd8/0xf8 [ 74.218012][ T5018] invoke_syscall+0x98/0x2b0 [ 74.218767][ T5018] el0_svc_common+0x138/0x258 [ 74.219432][ T5018] do_el0_svc+0x58/0x13c [ 74.220106][ T5018] el0_svc+0x78/0x1d0 [ 74.220731][ T5018] el0t_64_sync_handler+0xcc/0xe4 [ 74.221452][ T5018] el0t_64_sync+0x1a0/0x1a4 [ 74.222257][ T5018] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 74.223850][ T5018] CPU: 1 PID: 5018 Comm: syz.0.18 Not tainted syzkaller #0 [ 74.224908][ T5018] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.226389][ T5018] Call trace: [ 74.226906][ T5018] dump_backtrace+0x0/0x458 [ 74.227600][ T5018] show_stack+0x2c/0x3c [ 74.228275][ T5018] __dump_stack+0x30/0x40 [ 74.228925][ T5018] dump_stack_lvl+0xf4/0x15c [ 74.229618][ T5018] dump_stack+0x1c/0x5c [ 74.230216][ T5018] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 74.231014][ T5018] dccp_xmit_packet+0x298/0x448 [ 74.231746][ T5018] dccp_write_xmit+0x118/0x1d0 [ 74.232463][ T5018] dccp_sendmsg+0x550/0x8b8 [ 74.233215][ T5018] inet_sendmsg+0x154/0x284 [ 74.233897][ T5018] __sys_sendto+0x30c/0x420 [ 74.234607][ T5018] __arm64_sys_sendto+0xd8/0xf8 [ 74.235373][ T5018] invoke_syscall+0x98/0x2b0 [ 74.236068][ T5018] el0_svc_common+0x138/0x258 [ 74.236865][ T5018] do_el0_svc+0x58/0x13c [ 74.237505][ T5018] el0_svc+0x78/0x1d0 [ 74.238144][ T5018] el0t_64_sync_handler+0xcc/0xe4 [ 74.238872][ T5018] el0t_64_sync+0x1a0/0x1a4 [ 74.249341][ T5020] dccp_xmit_packet: Payload too large (65475) for featneg. [ 74.256360][ T5020] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 74.258103][ T5020] CPU: 1 PID: 5020 Comm: syz.0.19 Not tainted syzkaller #0 [ 74.259268][ T5020] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.260819][ T5020] Call trace: [ 74.261298][ T5020] dump_backtrace+0x0/0x458 [ 74.261920][ T5020] show_stack+0x2c/0x3c [ 74.262538][ T5020] __dump_stack+0x30/0x40 [ 74.263210][ T5020] dump_stack_lvl+0xf4/0x15c [ 74.263869][ T5020] dump_stack+0x1c/0x5c [ 74.264516][ T5020] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 74.265384][ T5020] dccp_xmit_packet+0x298/0x448 [ 74.266114][ T5020] dccp_write_xmit+0x118/0x1d0 [ 74.266798][ T5020] dccp_sendmsg+0x550/0x8b8 [ 74.267441][ T5020] inet_sendmsg+0x154/0x284 [ 74.268085][ T5020] __sys_sendto+0x30c/0x420 [ 74.268712][ T5020] __arm64_sys_sendto+0xd8/0xf8 [ 74.269437][ T5020] invoke_syscall+0x98/0x2b0 [ 74.270118][ T5020] el0_svc_common+0x138/0x258 [ 74.270798][ T5020] do_el0_svc+0x58/0x13c [ 74.271458][ T5020] el0_svc+0x78/0x1d0 [ 74.272064][ T5020] el0t_64_sync_handler+0xcc/0xe4 [ 74.272824][ T5020] el0t_64_sync+0x1a0/0x1a4 [ 74.280200][ T5020] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 74.282085][ T5020] CPU: 0 PID: 5020 Comm: syz.0.19 Not tainted syzkaller #0 [ 74.283207][ T5020] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.284705][ T5020] Call trace: [ 74.285216][ T5020] dump_backtrace+0x0/0x458 [ 74.285941][ T5020] show_stack+0x2c/0x3c [ 74.286560][ T5020] __dump_stack+0x30/0x40 [ 74.287208][ T5020] dump_stack_lvl+0xf4/0x15c [ 74.287901][ T5020] dump_stack+0x1c/0x5c [ 74.288504][ T5020] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 74.289281][ T5020] dccp_xmit_packet+0x298/0x448 [ 74.289974][ T5020] dccp_write_xmit+0x118/0x1d0 [ 74.290674][ T5020] dccp_sendmsg+0x550/0x8b8 [ 74.291370][ T5020] inet_sendmsg+0x154/0x284 [ 74.292021][ T5020] __sys_sendto+0x30c/0x420 [ 74.292700][ T5020] __arm64_sys_sendto+0xd8/0xf8 [ 74.293460][ T5020] invoke_syscall+0x98/0x2b0 [ 74.294138][ T5020] el0_svc_common+0x138/0x258 [ 74.294832][ T5020] do_el0_svc+0x58/0x13c [ 74.295457][ T5020] el0_svc+0x78/0x1d0 [ 74.296017][ T5020] el0t_64_sync_handler+0xcc/0xe4 [ 74.296778][ T5020] el0t_64_sync+0x1a0/0x1a4 [ 74.299227][ T5020] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 74.300871][ T5020] CPU: 1 PID: 5020 Comm: syz.0.19 Not tainted syzkaller #0 [ 74.301951][ T5020] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.303520][ T5020] Call trace: [ 74.303995][ T5020] dump_backtrace+0x0/0x458 [ 74.304712][ T5020] show_stack+0x2c/0x3c [ 74.305321][ T5020] __dump_stack+0x30/0x40 [ 74.305971][ T5020] dump_stack_lvl+0xf4/0x15c [ 74.306637][ T5020] dump_stack+0x1c/0x5c [ 74.307260][ T5020] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 74.308100][ T5020] dccp_xmit_packet+0x298/0x448 [ 74.308838][ T5020] dccp_write_xmit+0x118/0x1d0 [ 74.309537][ T5020] dccp_sendmsg+0x550/0x8b8 [ 74.310216][ T5020] inet_sendmsg+0x154/0x284 [ 74.310895][ T5020] __sys_sendto+0x30c/0x420 [ 74.311606][ T5020] __arm64_sys_sendto+0xd8/0xf8 [ 74.312364][ T5020] invoke_syscall+0x98/0x2b0 [ 74.313077][ T5020] el0_svc_common+0x138/0x258 [ 74.313774][ T5020] do_el0_svc+0x58/0x13c [ 74.314418][ T5020] el0_svc+0x78/0x1d0 [ 74.315003][ T5020] el0t_64_sync_handler+0xcc/0xe4 [ 74.315808][ T5020] el0t_64_sync+0x1a0/0x1a4 [ 74.317631][ T5020] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 74.319192][ T5020] CPU: 0 PID: 5020 Comm: syz.0.19 Not tainted syzkaller #0 [ 74.320200][ T5020] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.321701][ T5020] Call trace: [ 74.322218][ T5020] dump_backtrace+0x0/0x458 [ 74.322887][ T5020] show_stack+0x2c/0x3c [ 74.323467][ T5020] __dump_stack+0x30/0x40 [ 74.324101][ T5020] dump_stack_lvl+0xf4/0x15c [ 74.324748][ T5020] dump_stack+0x1c/0x5c [ 74.325329][ T5020] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 74.326106][ T5020] dccp_xmit_packet+0x298/0x448 [ 74.326795][ T5020] dccp_write_xmit+0x118/0x1d0 [ 74.327460][ T5020] dccp_sendmsg+0x550/0x8b8 [ 74.328152][ T5020] inet_sendmsg+0x154/0x284 [ 74.328787][ T5020] __sys_sendto+0x30c/0x420 [ 74.329449][ T5020] __arm64_sys_sendto+0xd8/0xf8 [ 74.330114][ T5020] invoke_syscall+0x98/0x2b0 [ 74.330772][ T5020] el0_svc_common+0x138/0x258 [ 74.331477][ T5020] do_el0_svc+0x58/0x13c [ 74.332159][ T5020] el0_svc+0x78/0x1d0 [ 74.332711][ T5020] el0t_64_sync_handler+0xcc/0xe4 [ 74.333469][ T5020] el0t_64_sync+0x1a0/0x1a4 [ 74.335243][ T5020] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 74.336982][ T5020] CPU: 0 PID: 5020 Comm: syz.0.19 Not tainted syzkaller #0 [ 74.338170][ T5020] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.339625][ T5020] Call trace: [ 74.340045][ T5020] dump_backtrace+0x0/0x458 [ 74.340725][ T5020] show_stack+0x2c/0x3c [ 74.341363][ T5020] __dump_stack+0x30/0x40 [ 74.341937][ T5020] dump_stack_lvl+0xf4/0x15c [ 74.342601][ T5020] dump_stack+0x1c/0x5c [ 74.343206][ T5020] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 74.344037][ T5020] dccp_xmit_packet+0x298/0x448 [ 74.344715][ T5020] dccp_write_xmit+0x118/0x1d0 [ 74.345425][ T5020] dccp_sendmsg+0x550/0x8b8 [ 74.346064][ T5020] inet_sendmsg+0x154/0x284 [ 74.346699][ T5020] __sys_sendto+0x30c/0x420 [ 74.347338][ T5020] __arm64_sys_sendto+0xd8/0xf8 [ 74.348040][ T5020] invoke_syscall+0x98/0x2b0 [ 74.348715][ T5020] el0_svc_common+0x138/0x258 [ 74.349386][ T5020] do_el0_svc+0x58/0x13c [ 74.349988][ T5020] el0_svc+0x78/0x1d0 [ 74.350547][ T5020] el0t_64_sync_handler+0xcc/0xe4 [ 74.351254][ T5020] el0t_64_sync+0x1a0/0x1a4 [ 74.352278][ T5020] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 74.354015][ T5020] CPU: 0 PID: 5020 Comm: syz.0.19 Not tainted syzkaller #0 [ 74.355173][ T5020] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.356781][ T5020] Call trace: [ 74.357299][ T5020] dump_backtrace+0x0/0x458 [ 74.357959][ T5020] show_stack+0x2c/0x3c [ 74.358553][ T5020] __dump_stack+0x30/0x40 [ 74.359149][ T5020] dump_stack_lvl+0xf4/0x15c [ 74.359793][ T5020] dump_stack+0x1c/0x5c [ 74.360373][ T5020] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 74.361153][ T5020] dccp_xmit_packet+0x298/0x448 [ 74.361804][ T5020] dccp_write_xmit+0x118/0x1d0 [ 74.362432][ T5020] dccp_sendmsg+0x550/0x8b8 [ 74.363021][ T5020] inet_sendmsg+0x154/0x284 [ 74.363637][ T5020] __sys_sendto+0x30c/0x420 [ 74.364272][ T5020] __arm64_sys_sendto+0xd8/0xf8 [ 74.364950][ T5020] invoke_syscall+0x98/0x2b0 [ 74.365582][ T5020] el0_svc_common+0x138/0x258 [ 74.366213][ T5020] do_el0_svc+0x58/0x13c [ 74.366829][ T5020] el0_svc+0x78/0x1d0 [ 74.367343][ T5020] el0t_64_sync_handler+0xcc/0xe4 [ 74.368064][ T5020] el0t_64_sync+0x1a0/0x1a4 [ 74.369214][ T5020] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 74.370944][ T5020] CPU: 0 PID: 5020 Comm: syz.0.19 Not tainted syzkaller #0 [ 74.372006][ T5020] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.373396][ T5020] Call trace: [ 74.373868][ T5020] dump_backtrace+0x0/0x458 [ 74.374607][ T5020] show_stack+0x2c/0x3c [ 74.375347][ T5020] __dump_stack+0x30/0x40 [ 74.376034][ T5020] dump_stack_lvl+0xf4/0x15c [ 74.376733][ T5020] dump_stack+0x1c/0x5c [ 74.377325][ T5020] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 74.378105][ T5020] dccp_xmit_packet+0x298/0x448 [ 74.378848][ T5020] dccp_write_xmit+0x118/0x1d0 [ 74.379509][ T5020] dccp_sendmsg+0x550/0x8b8 [ 74.380193][ T5020] inet_sendmsg+0x154/0x284 [ 74.380856][ T5020] __sys_sendto+0x30c/0x420 [ 74.381535][ T5020] __arm64_sys_sendto+0xd8/0xf8 [ 74.382279][ T5020] invoke_syscall+0x98/0x2b0 [ 74.383014][ T5020] el0_svc_common+0x138/0x258 [ 74.383699][ T5020] do_el0_svc+0x58/0x13c [ 74.384325][ T5020] el0_svc+0x78/0x1d0 [ 74.384897][ T5020] el0t_64_sync_handler+0xcc/0xe4 [ 74.385635][ T5020] el0t_64_sync+0x1a0/0x1a4 [ 74.386811][ T5020] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 74.388579][ T5020] CPU: 0 PID: 5020 Comm: syz.0.19 Not tainted syzkaller #0 [ 74.389682][ T5020] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.391170][ T5020] Call trace: [ 74.391612][ T5020] dump_backtrace+0x0/0x458 [ 74.392251][ T5020] show_stack+0x2c/0x3c [ 74.392882][ T5020] __dump_stack+0x30/0x40 [ 74.393491][ T5020] dump_stack_lvl+0xf4/0x15c [ 74.394142][ T5020] dump_stack+0x1c/0x5c [ 74.394772][ T5020] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 74.395604][ T5020] dccp_xmit_packet+0x298/0x448 [ 74.396343][ T5020] dccp_write_xmit+0x118/0x1d0 [ 74.397079][ T5020] dccp_sendmsg+0x550/0x8b8 [ 74.397746][ T5020] inet_sendmsg+0x154/0x284 [ 74.398395][ T5020] __sys_sendto+0x30c/0x420 [ 74.399102][ T5020] __arm64_sys_sendto+0xd8/0xf8 [ 74.399829][ T5020] invoke_syscall+0x98/0x2b0 [ 74.400459][ T5020] el0_svc_common+0x138/0x258 [ 74.401133][ T5020] do_el0_svc+0x58/0x13c [ 74.401787][ T5020] el0_svc+0x78/0x1d0 [ 74.402380][ T5020] el0t_64_sync_handler+0xcc/0xe4 [ 74.403114][ T5020] el0t_64_sync+0x1a0/0x1a4 [ 74.404236][ T5020] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 74.406325][ T5020] CPU: 0 PID: 5020 Comm: syz.0.19 Not tainted syzkaller #0 [ 74.407360][ T5020] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.408804][ T5020] Call trace: [ 74.409262][ T5020] dump_backtrace+0x0/0x458 [ 74.409958][ T5020] show_stack+0x2c/0x3c [ 74.410550][ T5020] __dump_stack+0x30/0x40 [ 74.411197][ T5020] dump_stack_lvl+0xf4/0x15c [ 74.411929][ T5020] dump_stack+0x1c/0x5c [ 74.412525][ T5020] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 74.413389][ T5020] dccp_xmit_packet+0x298/0x448 [ 74.414108][ T5020] dccp_write_xmit+0x118/0x1d0 [ 74.414822][ T5020] dccp_sendmsg+0x550/0x8b8 [ 74.415451][ T5020] inet_sendmsg+0x154/0x284 [ 74.416054][ T5020] __sys_sendto+0x30c/0x420 [ 74.416673][ T5020] __arm64_sys_sendto+0xd8/0xf8 [ 74.417338][ T5020] invoke_syscall+0x98/0x2b0 [ 74.418045][ T5020] el0_svc_common+0x138/0x258 [ 74.418724][ T5020] do_el0_svc+0x58/0x13c [ 74.419406][ T5020] el0_svc+0x78/0x1d0 [ 74.419981][ T5020] el0t_64_sync_handler+0xcc/0xe4 [ 74.420722][ T5020] el0t_64_sync+0x1a0/0x1a4 [ 74.422703][ T5020] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 74.425001][ T5020] CPU: 0 PID: 5020 Comm: syz.0.19 Not tainted syzkaller #0 [ 74.426127][ T5020] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.427576][ T5020] Call trace: [ 74.427997][ T5020] dump_backtrace+0x0/0x458 [ 74.428626][ T5020] show_stack+0x2c/0x3c [ 74.429199][ T5020] __dump_stack+0x30/0x40 [ 74.429772][ T5020] dump_stack_lvl+0xf4/0x15c [ 74.430438][ T5020] dump_stack+0x1c/0x5c [ 74.431039][ T5020] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 74.431882][ T5020] dccp_xmit_packet+0x298/0x448 [ 74.432594][ T5020] dccp_write_xmit+0x118/0x1d0 [ 74.433247][ T5020] dccp_sendmsg+0x550/0x8b8 [ 74.433863][ T5020] inet_sendmsg+0x154/0x284 [ 74.434469][ T5020] __sys_sendto+0x30c/0x420 [ 74.435126][ T5020] __arm64_sys_sendto+0xd8/0xf8 [ 74.435800][ T5020] invoke_syscall+0x98/0x2b0 [ 74.436488][ T5020] el0_svc_common+0x138/0x258 [ 74.437171][ T5020] do_el0_svc+0x58/0x13c [ 74.437787][ T5020] el0_svc+0x78/0x1d0 [ 74.438341][ T5020] el0t_64_sync_handler+0xcc/0xe4 [ 74.439070][ T5020] el0t_64_sync+0x1a0/0x1a4 [ 74.440089][ T5020] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 74.441621][ T5020] CPU: 0 PID: 5020 Comm: syz.0.19 Not tainted syzkaller #0 [ 74.442659][ T5020] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.444144][ T5020] Call trace: [ 74.444673][ T5020] dump_backtrace+0x0/0x458 [ 74.445346][ T5020] show_stack+0x2c/0x3c [ 74.445961][ T5020] __dump_stack+0x30/0x40 [ 74.446575][ T5020] dump_stack_lvl+0xf4/0x15c [ 74.447271][ T5020] dump_stack+0x1c/0x5c [ 74.447959][ T5020] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 74.448789][ T5020] dccp_xmit_packet+0x298/0x448 [ 74.449500][ T5020] dccp_write_xmit+0x118/0x1d0 [ 74.450247][ T5020] dccp_sendmsg+0x550/0x8b8 [ 74.450978][ T5020] inet_sendmsg+0x154/0x284 [ 74.451656][ T5020] __sys_sendto+0x30c/0x420 [ 74.452318][ T5020] __arm64_sys_sendto+0xd8/0xf8 [ 74.453031][ T5020] invoke_syscall+0x98/0x2b0 [ 74.453702][ T5020] el0_svc_common+0x138/0x258 [ 74.454371][ T5020] do_el0_svc+0x58/0x13c [ 74.454994][ T5020] el0_svc+0x78/0x1d0 [ 74.455565][ T5020] el0t_64_sync_handler+0xcc/0xe4 [ 74.456317][ T5020] el0t_64_sync+0x1a0/0x1a4 [ 74.457217][ T5020] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 74.458940][ T5020] CPU: 0 PID: 5020 Comm: syz.0.19 Not tainted syzkaller #0 [ 74.460009][ T5020] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.461534][ T5020] Call trace: [ 74.462011][ T5020] dump_backtrace+0x0/0x458 [ 74.462636][ T5020] show_stack+0x2c/0x3c [ 74.463198][ T5020] __dump_stack+0x30/0x40 [ 74.463844][ T5020] dump_stack_lvl+0xf4/0x15c [ 74.464547][ T5020] dump_stack+0x1c/0x5c [ 74.465181][ T5020] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 74.466003][ T5020] dccp_xmit_packet+0x298/0x448 [ 74.466695][ T5020] dccp_write_xmit+0x118/0x1d0 [ 74.467407][ T5020] dccp_sendmsg+0x550/0x8b8 [ 74.468037][ T5020] inet_sendmsg+0x154/0x284 [ 74.468681][ T5020] __sys_sendto+0x30c/0x420 [ 74.469289][ T5020] __arm64_sys_sendto+0xd8/0xf8 [ 74.469988][ T5020] invoke_syscall+0x98/0x2b0 [ 74.470640][ T5020] el0_svc_common+0x138/0x258 [ 74.471334][ T5020] do_el0_svc+0x58/0x13c [ 74.471950][ T5020] el0_svc+0x78/0x1d0 [ 74.472559][ T5020] el0t_64_sync_handler+0xcc/0xe4 [ 74.473294][ T5020] el0t_64_sync+0x1a0/0x1a4 [ 74.474505][ T5020] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 74.476022][ T5020] CPU: 0 PID: 5020 Comm: syz.0.19 Not tainted syzkaller #0 [ 74.477036][ T5020] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.478449][ T5020] Call trace: [ 74.478966][ T5020] dump_backtrace+0x0/0x458 [ 74.479642][ T5020] show_stack+0x2c/0x3c [ 74.480256][ T5020] __dump_stack+0x30/0x40 [ 74.480865][ T5020] dump_stack_lvl+0xf4/0x15c [ 74.481485][ T5020] dump_stack+0x1c/0x5c [ 74.482074][ T5020] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 74.482854][ T5020] dccp_xmit_packet+0x298/0x448 [ 74.483569][ T5020] dccp_write_xmit+0x118/0x1d0 [ 74.484303][ T5020] dccp_sendmsg+0x550/0x8b8 [ 74.485040][ T5020] inet_sendmsg+0x154/0x284 [ 74.485660][ T5020] __sys_sendto+0x30c/0x420 [ 74.486308][ T5020] __arm64_sys_sendto+0xd8/0xf8 [ 74.487008][ T5020] invoke_syscall+0x98/0x2b0 [ 74.487672][ T5020] el0_svc_common+0x138/0x258 [ 74.488350][ T5020] do_el0_svc+0x58/0x13c [ 74.488967][ T5020] el0_svc+0x78/0x1d0 [ 74.489561][ T5020] el0t_64_sync_handler+0xcc/0xe4 [ 74.490255][ T5020] el0t_64_sync+0x1a0/0x1a4 [ 74.491070][ T5020] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 74.492699][ T5020] CPU: 0 PID: 5020 Comm: syz.0.19 Not tainted syzkaller #0 [ 74.493717][ T5020] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.495201][ T5020] Call trace: [ 74.495652][ T5020] dump_backtrace+0x0/0x458 [ 74.496289][ T5020] show_stack+0x2c/0x3c [ 74.496882][ T5020] __dump_stack+0x30/0x40 [ 74.497483][ T5020] dump_stack_lvl+0xf4/0x15c [ 74.498141][ T5020] dump_stack+0x1c/0x5c [ 74.498748][ T5020] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 74.499539][ T5020] dccp_xmit_packet+0x298/0x448 [ 74.500200][ T5020] dccp_write_xmit+0x118/0x1d0 [ 74.500888][ T5020] dccp_sendmsg+0x550/0x8b8 [ 74.501589][ T5020] inet_sendmsg+0x154/0x284 [ 74.502219][ T5020] __sys_sendto+0x30c/0x420 [ 74.502858][ T5020] __arm64_sys_sendto+0xd8/0xf8 [ 74.503572][ T5020] invoke_syscall+0x98/0x2b0 [ 74.504274][ T5020] el0_svc_common+0x138/0x258 [ 74.504989][ T5020] do_el0_svc+0x58/0x13c [ 74.505595][ T5020] el0_svc+0x78/0x1d0 [ 74.506186][ T5020] el0t_64_sync_handler+0xcc/0xe4 [ 74.506903][ T5020] el0t_64_sync+0x1a0/0x1a4 [ 74.508107][ T5020] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 74.509818][ T5020] CPU: 0 PID: 5020 Comm: syz.0.19 Not tainted syzkaller #0 [ 74.510894][ T5020] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.512391][ T5020] Call trace: [ 74.512873][ T5020] dump_backtrace+0x0/0x458 [ 74.513549][ T5020] show_stack+0x2c/0x3c [ 74.514124][ T5020] __dump_stack+0x30/0x40 [ 74.514764][ T5020] dump_stack_lvl+0xf4/0x15c [ 74.515454][ T5020] dump_stack+0x1c/0x5c [ 74.516024][ T5020] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 74.516786][ T5020] dccp_xmit_packet+0x298/0x448 [ 74.517511][ T5020] dccp_write_xmit+0x118/0x1d0 [ 74.518194][ T5020] dccp_sendmsg+0x550/0x8b8 [ 74.518858][ T5020] inet_sendmsg+0x154/0x284 [ 74.519497][ T5020] __sys_sendto+0x30c/0x420 [ 74.520173][ T5020] __arm64_sys_sendto+0xd8/0xf8 [ 74.520874][ T5020] invoke_syscall+0x98/0x2b0 [ 74.521563][ T5020] el0_svc_common+0x138/0x258 [ 74.522226][ T5020] do_el0_svc+0x58/0x13c [ 74.522825][ T5020] el0_svc+0x78/0x1d0 [ 74.523391][ T5020] el0t_64_sync_handler+0xcc/0xe4 [ 74.524088][ T5020] el0t_64_sync+0x1a0/0x1a4 [ 74.525340][ T5020] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 74.527057][ T5020] CPU: 0 PID: 5020 Comm: syz.0.19 Not tainted syzkaller #0 [ 74.528180][ T5020] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.529714][ T5020] Call trace: [ 74.530166][ T5020] dump_backtrace+0x0/0x458 [ 74.530820][ T5020] show_stack+0x2c/0x3c [ 74.531427][ T5020] __dump_stack+0x30/0x40 [ 74.532026][ T5020] dump_stack_lvl+0xf4/0x15c [ 74.532651][ T5020] dump_stack+0x1c/0x5c [ 74.533243][ T5020] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 74.534032][ T5020] dccp_xmit_packet+0x298/0x448 [ 74.534773][ T5020] dccp_write_xmit+0x118/0x1d0 [ 74.535462][ T5020] dccp_sendmsg+0x550/0x8b8 [ 74.536110][ T5020] inet_sendmsg+0x154/0x284 [ 74.536732][ T5020] __sys_sendto+0x30c/0x420 [ 74.537402][ T5020] __arm64_sys_sendto+0xd8/0xf8 [ 74.538090][ T5020] invoke_syscall+0x98/0x2b0 [ 74.538780][ T5020] el0_svc_common+0x138/0x258 [ 74.539493][ T5020] do_el0_svc+0x58/0x13c [ 74.540181][ T5020] el0_svc+0x78/0x1d0 [ 74.540745][ T5020] el0t_64_sync_handler+0xcc/0xe4 [ 74.541504][ T5020] el0t_64_sync+0x1a0/0x1a4 [ 74.542327][ T5020] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 74.543885][ T5020] CPU: 0 PID: 5020 Comm: syz.0.19 Not tainted syzkaller #0 [ 74.544883][ T5020] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.546425][ T5020] Call trace: [ 74.546862][ T5020] dump_backtrace+0x0/0x458 [ 74.547549][ T5020] show_stack+0x2c/0x3c [ 74.548190][ T5020] __dump_stack+0x30/0x40 [ 74.548867][ T5020] dump_stack_lvl+0xf4/0x15c [ 74.549597][ T5020] dump_stack+0x1c/0x5c [ 74.550213][ T5020] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 74.550990][ T5020] dccp_xmit_packet+0x298/0x448 [ 74.551677][ T5020] dccp_write_xmit+0x118/0x1d0 [ 74.552418][ T5020] dccp_sendmsg+0x550/0x8b8 [ 74.553086][ T5020] inet_sendmsg+0x154/0x284 [ 74.553790][ T5020] __sys_sendto+0x30c/0x420 [ 74.554485][ T5020] __arm64_sys_sendto+0xd8/0xf8 [ 74.555186][ T5020] invoke_syscall+0x98/0x2b0 [ 74.555892][ T5020] el0_svc_common+0x138/0x258 [ 74.556623][ T5020] do_el0_svc+0x58/0x13c [ 74.557286][ T5020] el0_svc+0x78/0x1d0 [ 74.557890][ T5020] el0t_64_sync_handler+0xcc/0xe4 [ 74.558671][ T5020] el0t_64_sync+0x1a0/0x1a4 [ 74.572721][ T5023] dccp_xmit_packet: Payload too large (65475) for featneg. [ 74.584488][ T25] Bluetooth: hci0: command 0x040f tx timeout [ 74.587910][ T5025] dccp_xmit_packet: Payload too large (65475) for featneg. [ 74.595019][ T5025] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 74.596768][ T5025] CPU: 0 PID: 5025 Comm: syz.0.21 Not tainted syzkaller #0 [ 74.597880][ T5025] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.599467][ T5025] Call trace: [ 74.599962][ T5025] dump_backtrace+0x0/0x458 [ 74.600614][ T5025] show_stack+0x2c/0x3c [ 74.601241][ T5025] __dump_stack+0x30/0x40 [ 74.601840][ T5025] dump_stack_lvl+0xf4/0x15c [ 74.602506][ T5025] dump_stack+0x1c/0x5c [ 74.603080][ T5025] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 74.603857][ T5025] dccp_xmit_packet+0x298/0x448 [ 74.604569][ T5025] dccp_write_xmit+0x118/0x1d0 [ 74.605258][ T5025] dccp_sendmsg+0x550/0x8b8 [ 74.605887][ T5025] inet_sendmsg+0x154/0x284 [ 74.606530][ T5025] __sys_sendto+0x30c/0x420 [ 74.607214][ T5025] __arm64_sys_sendto+0xd8/0xf8 [ 74.607927][ T5025] invoke_syscall+0x98/0x2b0 [ 74.608594][ T5025] el0_svc_common+0x138/0x258 [ 74.609234][ T5025] do_el0_svc+0x58/0x13c [ 74.609862][ T5025] el0_svc+0x78/0x1d0 [ 74.610437][ T5025] el0t_64_sync_handler+0xcc/0xe4 [ 74.611163][ T5025] el0t_64_sync+0x1a0/0x1a4 [ 74.613619][ T5025] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 74.615831][ T5025] CPU: 0 PID: 5025 Comm: syz.0.21 Not tainted syzkaller #0 [ 74.616812][ T5025] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.618254][ T5025] Call trace: [ 74.618757][ T5025] dump_backtrace+0x0/0x458 [ 74.619368][ T5025] show_stack+0x2c/0x3c [ 74.619944][ T5025] __dump_stack+0x30/0x40 [ 74.620529][ T5025] dump_stack_lvl+0xf4/0x15c [ 74.621131][ T5025] dump_stack+0x1c/0x5c [ 74.621705][ T5025] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 74.622481][ T5025] dccp_xmit_packet+0x298/0x448 [ 74.623138][ T5025] dccp_write_xmit+0x118/0x1d0 [ 74.623960][ T5025] dccp_sendmsg+0x550/0x8b8 [ 74.624692][ T5025] inet_sendmsg+0x154/0x284 [ 74.625345][ T5025] __sys_sendto+0x30c/0x420 [ 74.625980][ T5025] __arm64_sys_sendto+0xd8/0xf8 [ 74.626708][ T5025] invoke_syscall+0x98/0x2b0 [ 74.627397][ T5025] el0_svc_common+0x138/0x258 [ 74.628138][ T5025] do_el0_svc+0x58/0x13c [ 74.628793][ T5025] el0_svc+0x78/0x1d0 [ 74.629386][ T5025] el0t_64_sync_handler+0xcc/0xe4 [ 74.630137][ T5025] el0t_64_sync+0x1a0/0x1a4 [ 74.630933][ T5025] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 74.632610][ T5025] CPU: 0 PID: 5025 Comm: syz.0.21 Not tainted syzkaller #0 [ 74.633665][ T5025] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.635118][ T5025] Call trace: [ 74.635560][ T5025] dump_backtrace+0x0/0x458 [ 74.636202][ T5025] show_stack+0x2c/0x3c [ 74.636856][ T5025] __dump_stack+0x30/0x40 [ 74.637458][ T5025] dump_stack_lvl+0xf4/0x15c [ 74.638147][ T5025] dump_stack+0x1c/0x5c [ 74.638747][ T5025] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 74.639635][ T5025] dccp_xmit_packet+0x298/0x448 [ 74.640317][ T5025] dccp_write_xmit+0x118/0x1d0 [ 74.641010][ T5025] dccp_sendmsg+0x550/0x8b8 [ 74.641658][ T5025] inet_sendmsg+0x154/0x284 [ 74.642276][ T5025] __sys_sendto+0x30c/0x420 [ 74.642966][ T5025] __arm64_sys_sendto+0xd8/0xf8 [ 74.643754][ T5025] invoke_syscall+0x98/0x2b0 [ 74.644392][ T5025] el0_svc_common+0x138/0x258 [ 74.645063][ T5025] do_el0_svc+0x58/0x13c [ 74.645677][ T5025] el0_svc+0x78/0x1d0 [ 74.646242][ T5025] el0t_64_sync_handler+0xcc/0xe4 [ 74.647016][ T5025] el0t_64_sync+0x1a0/0x1a4 [ 74.648278][ T5025] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 74.650005][ T5025] CPU: 0 PID: 5025 Comm: syz.0.21 Not tainted syzkaller #0 [ 74.651028][ T5025] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.652338][ T5025] Call trace: [ 74.652829][ T5025] dump_backtrace+0x0/0x458 [ 74.653510][ T5025] show_stack+0x2c/0x3c [ 74.654064][ T5025] __dump_stack+0x30/0x40 [ 74.654725][ T5025] dump_stack_lvl+0xf4/0x15c [ 74.655348][ T5025] dump_stack+0x1c/0x5c [ 74.655958][ T5025] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 74.656854][ T5025] dccp_xmit_packet+0x298/0x448 [ 74.657664][ T5025] dccp_write_xmit+0x118/0x1d0 [ 74.658430][ T5025] dccp_sendmsg+0x550/0x8b8 [ 74.659101][ T5025] inet_sendmsg+0x154/0x284 [ 74.659734][ T5025] __sys_sendto+0x30c/0x420 [ 74.660419][ T5025] __arm64_sys_sendto+0xd8/0xf8 [ 74.661158][ T5025] invoke_syscall+0x98/0x2b0 [ 74.661817][ T5025] el0_svc_common+0x138/0x258 [ 74.662515][ T5025] do_el0_svc+0x58/0x13c [ 74.663145][ T5025] el0_svc+0x78/0x1d0 [ 74.663668][ T5025] el0t_64_sync_handler+0xcc/0xe4 [ 74.664407][ T5025] el0t_64_sync+0x1a0/0x1a4 [ 74.665847][ T5025] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 74.667539][ T5025] CPU: 0 PID: 5025 Comm: syz.0.21 Not tainted syzkaller #0 [ 74.668615][ T5025] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.670021][ T5025] Call trace: [ 74.670481][ T5025] dump_backtrace+0x0/0x458 [ 74.671167][ T5025] show_stack+0x2c/0x3c [ 74.671791][ T5025] __dump_stack+0x30/0x40 [ 74.672450][ T5025] dump_stack_lvl+0xf4/0x15c [ 74.673078][ T5025] dump_stack+0x1c/0x5c [ 74.673766][ T5025] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 74.674592][ T5025] dccp_xmit_packet+0x298/0x448 [ 74.675325][ T5025] dccp_write_xmit+0x118/0x1d0 [ 74.676021][ T5025] dccp_sendmsg+0x550/0x8b8 [ 74.676748][ T5025] inet_sendmsg+0x154/0x284 [ 74.677451][ T5025] __sys_sendto+0x30c/0x420 [ 74.678095][ T5025] __arm64_sys_sendto+0xd8/0xf8 [ 74.678821][ T5025] invoke_syscall+0x98/0x2b0 [ 74.679483][ T5025] el0_svc_common+0x138/0x258 [ 74.680212][ T5025] do_el0_svc+0x58/0x13c [ 74.680899][ T5025] el0_svc+0x78/0x1d0 [ 74.681480][ T5025] el0t_64_sync_handler+0xcc/0xe4 [ 74.682194][ T5025] el0t_64_sync+0x1a0/0x1a4 [ 74.683179][ T5025] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 74.684784][ T5025] CPU: 0 PID: 5025 Comm: syz.0.21 Not tainted syzkaller #0 [ 74.685766][ T5025] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.687189][ T5025] Call trace: [ 74.687634][ T5025] dump_backtrace+0x0/0x458 [ 74.688270][ T5025] show_stack+0x2c/0x3c [ 74.688845][ T5025] __dump_stack+0x30/0x40 [ 74.689504][ T5025] dump_stack_lvl+0xf4/0x15c [ 74.690152][ T5025] dump_stack+0x1c/0x5c [ 74.690743][ T5025] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 74.691555][ T5025] dccp_xmit_packet+0x298/0x448 [ 74.692238][ T5025] dccp_write_xmit+0x118/0x1d0 [ 74.692960][ T5025] dccp_sendmsg+0x550/0x8b8 [ 74.693607][ T5025] inet_sendmsg+0x154/0x284 [ 74.694227][ T5025] __sys_sendto+0x30c/0x420 [ 74.694877][ T5025] __arm64_sys_sendto+0xd8/0xf8 [ 74.695593][ T5025] invoke_syscall+0x98/0x2b0 [ 74.696246][ T5025] el0_svc_common+0x138/0x258 [ 74.696899][ T5025] do_el0_svc+0x58/0x13c [ 74.697518][ T5025] el0_svc+0x78/0x1d0 [ 74.698088][ T5025] el0t_64_sync_handler+0xcc/0xe4 [ 74.698878][ T5025] el0t_64_sync+0x1a0/0x1a4 [ 74.699715][ T5025] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 74.701318][ T5025] CPU: 0 PID: 5025 Comm: syz.0.21 Not tainted syzkaller #0 [ 74.702373][ T5025] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.703794][ T5025] Call trace: [ 74.704316][ T5025] dump_backtrace+0x0/0x458 [ 74.704997][ T5025] show_stack+0x2c/0x3c [ 74.705626][ T5025] __dump_stack+0x30/0x40 [ 74.706274][ T5025] dump_stack_lvl+0xf4/0x15c [ 74.706963][ T5025] dump_stack+0x1c/0x5c [ 74.707592][ T5025] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 74.708368][ T5025] dccp_xmit_packet+0x298/0x448 [ 74.709086][ T5025] dccp_write_xmit+0x118/0x1d0 [ 74.709876][ T5025] dccp_sendmsg+0x550/0x8b8 [ 74.710558][ T5025] inet_sendmsg+0x154/0x284 [ 74.711231][ T5025] __sys_sendto+0x30c/0x420 [ 74.711906][ T5025] __arm64_sys_sendto+0xd8/0xf8 [ 74.712604][ T5025] invoke_syscall+0x98/0x2b0 [ 74.713255][ T5025] el0_svc_common+0x138/0x258 [ 74.713966][ T5025] do_el0_svc+0x58/0x13c [ 74.714653][ T5025] el0_svc+0x78/0x1d0 [ 74.715221][ T5025] el0t_64_sync_handler+0xcc/0xe4 [ 74.715943][ T5025] el0t_64_sync+0x1a0/0x1a4 [ 74.716812][ T5025] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 74.718425][ T5025] CPU: 0 PID: 5025 Comm: syz.0.21 Not tainted syzkaller #0 [ 74.719407][ T5025] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.720838][ T5025] Call trace: [ 74.721300][ T5025] dump_backtrace+0x0/0x458 [ 74.721895][ T5025] show_stack+0x2c/0x3c [ 74.722433][ T5025] __dump_stack+0x30/0x40 [ 74.723032][ T5025] dump_stack_lvl+0xf4/0x15c [ 74.723658][ T5025] dump_stack+0x1c/0x5c [ 74.724233][ T5025] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 74.725013][ T5025] dccp_xmit_packet+0x298/0x448 [ 74.725727][ T5025] dccp_write_xmit+0x118/0x1d0 [ 74.726402][ T5025] dccp_sendmsg+0x550/0x8b8 [ 74.726993][ T5025] inet_sendmsg+0x154/0x284 [ 74.727593][ T5025] __sys_sendto+0x30c/0x420 [ 74.728188][ T5025] __arm64_sys_sendto+0xd8/0xf8 [ 74.728835][ T5025] invoke_syscall+0x98/0x2b0 [ 74.729446][ T5025] el0_svc_common+0x138/0x258 [ 74.730141][ T5025] do_el0_svc+0x58/0x13c [ 74.730753][ T5025] el0_svc+0x78/0x1d0 [ 74.731355][ T5025] el0t_64_sync_handler+0xcc/0xe4 [ 74.732098][ T5025] el0t_64_sync+0x1a0/0x1a4 [ 74.732967][ T5025] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 74.734627][ T5025] CPU: 0 PID: 5025 Comm: syz.0.21 Not tainted syzkaller #0 [ 74.735627][ T5025] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.737021][ T5025] Call trace: [ 74.737513][ T5025] dump_backtrace+0x0/0x458 [ 74.738180][ T5025] show_stack+0x2c/0x3c [ 74.738781][ T5025] __dump_stack+0x30/0x40 [ 74.739469][ T5025] dump_stack_lvl+0xf4/0x15c [ 74.740191][ T5025] dump_stack+0x1c/0x5c [ 74.740821][ T5025] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 74.741634][ T5025] dccp_xmit_packet+0x298/0x448 [ 74.742310][ T5025] dccp_write_xmit+0x118/0x1d0 [ 74.742991][ T5025] dccp_sendmsg+0x550/0x8b8 [ 74.743678][ T5025] inet_sendmsg+0x154/0x284 [ 74.744290][ T5025] __sys_sendto+0x30c/0x420 [ 74.744943][ T5025] __arm64_sys_sendto+0xd8/0xf8 [ 74.745714][ T5025] invoke_syscall+0x98/0x2b0 [ 74.746379][ T5025] el0_svc_common+0x138/0x258 [ 74.747101][ T5025] do_el0_svc+0x58/0x13c [ 74.747701][ T5025] el0_svc+0x78/0x1d0 [ 74.748315][ T5025] el0t_64_sync_handler+0xcc/0xe4 [ 74.749065][ T5025] el0t_64_sync+0x1a0/0x1a4 [ 74.750762][ T5025] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 74.752342][ T5025] CPU: 0 PID: 5025 Comm: syz.0.21 Not tainted syzkaller #0 [ 74.753354][ T5025] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.754753][ T5025] Call trace: [ 74.755211][ T5025] dump_backtrace+0x0/0x458 [ 74.755852][ T5025] show_stack+0x2c/0x3c [ 74.756452][ T5025] __dump_stack+0x30/0x40 [ 74.757090][ T5025] dump_stack_lvl+0xf4/0x15c [ 74.757797][ T5025] dump_stack+0x1c/0x5c [ 74.758415][ T5025] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 74.759191][ T5025] dccp_xmit_packet+0x298/0x448 [ 74.759873][ T5025] dccp_write_xmit+0x118/0x1d0 [ 74.760558][ T5025] dccp_sendmsg+0x550/0x8b8 [ 74.761158][ T5025] inet_sendmsg+0x154/0x284 [ 74.761800][ T5025] __sys_sendto+0x30c/0x420 [ 74.762453][ T5025] __arm64_sys_sendto+0xd8/0xf8 [ 74.763118][ T5025] invoke_syscall+0x98/0x2b0 [ 74.763808][ T5025] el0_svc_common+0x138/0x258 [ 74.764452][ T5025] do_el0_svc+0x58/0x13c [ 74.765066][ T5025] el0_svc+0x78/0x1d0 [ 74.765621][ T5025] el0t_64_sync_handler+0xcc/0xe4 [ 74.766324][ T5025] el0t_64_sync+0x1a0/0x1a4 [ 74.767477][ T5025] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 74.769073][ T5025] CPU: 0 PID: 5025 Comm: syz.0.21 Not tainted syzkaller #0 [ 74.770171][ T5025] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.771586][ T5025] Call trace: [ 74.772046][ T5025] dump_backtrace+0x0/0x458 [ 74.772710][ T5025] show_stack+0x2c/0x3c [ 74.773303][ T5025] __dump_stack+0x30/0x40 [ 74.773943][ T5025] dump_stack_lvl+0xf4/0x15c [ 74.774570][ T5025] dump_stack+0x1c/0x5c [ 74.775159][ T5025] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 74.775997][ T5025] dccp_xmit_packet+0x298/0x448 [ 74.776689][ T5025] dccp_write_xmit+0x118/0x1d0 [ 74.777397][ T5025] dccp_sendmsg+0x550/0x8b8 [ 74.778115][ T5025] inet_sendmsg+0x154/0x284 [ 74.778815][ T5025] __sys_sendto+0x30c/0x420 [ 74.779475][ T5025] __arm64_sys_sendto+0xd8/0xf8 [ 74.780191][ T5025] invoke_syscall+0x98/0x2b0 [ 74.780852][ T5025] el0_svc_common+0x138/0x258 [ 74.781512][ T5025] do_el0_svc+0x58/0x13c [ 74.782089][ T5025] el0_svc+0x78/0x1d0 [ 74.782626][ T5025] el0t_64_sync_handler+0xcc/0xe4 [ 74.783309][ T5025] el0t_64_sync+0x1a0/0x1a4 [ 74.784323][ T5025] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 74.785966][ T5025] CPU: 0 PID: 5025 Comm: syz.0.21 Not tainted syzkaller #0 [ 74.787025][ T5025] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.788499][ T5025] Call trace: [ 74.788941][ T5025] dump_backtrace+0x0/0x458 [ 74.789546][ T5025] show_stack+0x2c/0x3c [ 74.790094][ T5025] __dump_stack+0x30/0x40 [ 74.790684][ T5025] dump_stack_lvl+0xf4/0x15c [ 74.791349][ T5025] dump_stack+0x1c/0x5c [ 74.791928][ T5025] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 74.792694][ T5025] dccp_xmit_packet+0x298/0x448 [ 74.793362][ T5025] dccp_write_xmit+0x118/0x1d0 [ 74.794038][ T5025] dccp_sendmsg+0x550/0x8b8 [ 74.794666][ T5025] inet_sendmsg+0x154/0x284 [ 74.795340][ T5025] __sys_sendto+0x30c/0x420 [ 74.796027][ T5025] __arm64_sys_sendto+0xd8/0xf8 [ 74.796756][ T5025] invoke_syscall+0x98/0x2b0 [ 74.797508][ T5025] el0_svc_common+0x138/0x258 [ 74.798182][ T5025] do_el0_svc+0x58/0x13c [ 74.798801][ T5025] el0_svc+0x78/0x1d0 [ 74.799375][ T5025] el0t_64_sync_handler+0xcc/0xe4 [ 74.800070][ T5025] el0t_64_sync+0x1a0/0x1a4 [ 74.800911][ T5025] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 74.802544][ T5025] CPU: 0 PID: 5025 Comm: syz.0.21 Not tainted syzkaller #0 [ 74.803552][ T5025] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.804959][ T5025] Call trace: [ 74.805412][ T5025] dump_backtrace+0x0/0x458 [ 74.806049][ T5025] show_stack+0x2c/0x3c [ 74.806620][ T5025] __dump_stack+0x30/0x40 [ 74.807227][ T5025] dump_stack_lvl+0xf4/0x15c [ 74.807912][ T5025] dump_stack+0x1c/0x5c [ 74.808586][ T5025] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 74.809425][ T5025] dccp_xmit_packet+0x298/0x448 [ 74.810201][ T5025] dccp_write_xmit+0x118/0x1d0 [ 74.810904][ T5025] dccp_sendmsg+0x550/0x8b8 [ 74.811577][ T5025] inet_sendmsg+0x154/0x284 [ 74.812239][ T5025] __sys_sendto+0x30c/0x420 [ 74.812921][ T5025] __arm64_sys_sendto+0xd8/0xf8 [ 74.813608][ T5025] invoke_syscall+0x98/0x2b0 [ 74.814306][ T5025] el0_svc_common+0x138/0x258 [ 74.815014][ T5025] do_el0_svc+0x58/0x13c [ 74.815618][ T5025] el0_svc+0x78/0x1d0 [ 74.816197][ T5025] el0t_64_sync_handler+0xcc/0xe4 [ 74.816908][ T5025] el0t_64_sync+0x1a0/0x1a4 [ 74.831353][ T5027] dccp_xmit_packet: Payload too large (65475) for featneg. [ 74.838378][ T5027] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 74.840205][ T5027] CPU: 1 PID: 5027 Comm: syz.0.22 Not tainted syzkaller #0 [ 74.841296][ T5027] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.842898][ T5027] Call trace: [ 74.843428][ T5027] dump_backtrace+0x0/0x458 [ 74.844127][ T5027] show_stack+0x2c/0x3c [ 74.844752][ T5027] __dump_stack+0x30/0x40 [ 74.845474][ T5027] dump_stack_lvl+0xf4/0x15c [ 74.846214][ T5027] dump_stack+0x1c/0x5c [ 74.846852][ T5027] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 74.847689][ T5027] dccp_xmit_packet+0x298/0x448 [ 74.848460][ T5027] dccp_write_xmit+0x118/0x1d0 [ 74.849194][ T5027] dccp_sendmsg+0x550/0x8b8 [ 74.849891][ T5027] inet_sendmsg+0x154/0x284 [ 74.850552][ T5027] __sys_sendto+0x30c/0x420 [ 74.851185][ T5027] __arm64_sys_sendto+0xd8/0xf8 [ 74.851878][ T5027] invoke_syscall+0x98/0x2b0 [ 74.852528][ T5027] el0_svc_common+0x138/0x258 [ 74.853269][ T5027] do_el0_svc+0x58/0x13c [ 74.853874][ T5027] el0_svc+0x78/0x1d0 [ 74.854452][ T5027] el0t_64_sync_handler+0xcc/0xe4 [ 74.855206][ T5027] el0t_64_sync+0x1a0/0x1a4 [ 74.856505][ T5027] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 74.858143][ T5027] CPU: 1 PID: 5027 Comm: syz.0.22 Not tainted syzkaller #0 [ 74.859243][ T5027] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.860602][ T5027] Call trace: [ 74.861073][ T5027] dump_backtrace+0x0/0x458 [ 74.861735][ T5027] show_stack+0x2c/0x3c [ 74.862357][ T5027] __dump_stack+0x30/0x40 [ 74.863041][ T5027] dump_stack_lvl+0xf4/0x15c [ 74.863740][ T5027] dump_stack+0x1c/0x5c [ 74.864378][ T5027] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 74.865241][ T5027] dccp_xmit_packet+0x298/0x448 [ 74.865953][ T5027] dccp_write_xmit+0x118/0x1d0 [ 74.866675][ T5027] dccp_sendmsg+0x550/0x8b8 [ 74.867397][ T5027] inet_sendmsg+0x154/0x284 [ 74.868109][ T5027] __sys_sendto+0x30c/0x420 [ 74.868785][ T5027] __arm64_sys_sendto+0xd8/0xf8 [ 74.869506][ T5027] invoke_syscall+0x98/0x2b0 [ 74.870171][ T5027] el0_svc_common+0x138/0x258 [ 74.870880][ T5027] do_el0_svc+0x58/0x13c [ 74.871460][ T5027] el0_svc+0x78/0x1d0 [ 74.872095][ T5027] el0t_64_sync_handler+0xcc/0xe4 [ 74.872850][ T5027] el0t_64_sync+0x1a0/0x1a4 [ 74.874038][ T5027] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 74.875909][ T5027] CPU: 1 PID: 5027 Comm: syz.0.22 Not tainted syzkaller #0 [ 74.876997][ T5027] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.878545][ T5027] Call trace: [ 74.879046][ T5027] dump_backtrace+0x0/0x458 [ 74.879730][ T5027] show_stack+0x2c/0x3c [ 74.880330][ T5027] __dump_stack+0x30/0x40 [ 74.880993][ T5027] dump_stack_lvl+0xf4/0x15c [ 74.881624][ T5027] dump_stack+0x1c/0x5c [ 74.882226][ T5027] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 74.883052][ T5027] dccp_xmit_packet+0x298/0x448 [ 74.883833][ T5027] dccp_write_xmit+0x118/0x1d0 [ 74.884563][ T5027] dccp_sendmsg+0x550/0x8b8 [ 74.885280][ T5027] inet_sendmsg+0x154/0x284 [ 74.885937][ T5027] __sys_sendto+0x30c/0x420 [ 74.886653][ T5027] __arm64_sys_sendto+0xd8/0xf8 [ 74.887438][ T5027] invoke_syscall+0x98/0x2b0 [ 74.888133][ T5027] el0_svc_common+0x138/0x258 [ 74.888905][ T5027] do_el0_svc+0x58/0x13c [ 74.889545][ T5027] el0_svc+0x78/0x1d0 [ 74.890207][ T5027] el0t_64_sync_handler+0xcc/0xe4 [ 74.890976][ T5027] el0t_64_sync+0x1a0/0x1a4 [ 74.892044][ T5027] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 74.893867][ T5027] CPU: 1 PID: 5027 Comm: syz.0.22 Not tainted syzkaller #0 [ 74.895074][ T5027] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.896634][ T5027] Call trace: [ 74.897135][ T5027] dump_backtrace+0x0/0x458 [ 74.897863][ T5027] show_stack+0x2c/0x3c [ 74.898453][ T5027] __dump_stack+0x30/0x40 [ 74.899083][ T5027] dump_stack_lvl+0xf4/0x15c [ 74.899789][ T5027] dump_stack+0x1c/0x5c [ 74.900394][ T5027] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 74.901199][ T5027] dccp_xmit_packet+0x298/0x448 [ 74.901909][ T5027] dccp_write_xmit+0x118/0x1d0 [ 74.902672][ T5027] dccp_sendmsg+0x550/0x8b8 [ 74.903346][ T5027] inet_sendmsg+0x154/0x284 [ 74.904065][ T5027] __sys_sendto+0x30c/0x420 [ 74.904713][ T5027] __arm64_sys_sendto+0xd8/0xf8 [ 74.905436][ T5027] invoke_syscall+0x98/0x2b0 [ 74.906146][ T5027] el0_svc_common+0x138/0x258 [ 74.906867][ T5027] do_el0_svc+0x58/0x13c [ 74.907496][ T5027] el0_svc+0x78/0x1d0 [ 74.908099][ T5027] el0t_64_sync_handler+0xcc/0xe4 [ 74.908843][ T5027] el0t_64_sync+0x1a0/0x1a4 [ 74.910555][ T5027] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 74.912371][ T5027] CPU: 1 PID: 5027 Comm: syz.0.22 Not tainted syzkaller #0 [ 74.913466][ T5027] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.914999][ T5027] Call trace: [ 74.915464][ T5027] dump_backtrace+0x0/0x458 [ 74.916178][ T5027] show_stack+0x2c/0x3c [ 74.916830][ T5027] __dump_stack+0x30/0x40 [ 74.917518][ T5027] dump_stack_lvl+0xf4/0x15c [ 74.918206][ T5027] dump_stack+0x1c/0x5c [ 74.918869][ T5027] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 74.919704][ T5027] dccp_xmit_packet+0x298/0x448 [ 74.920477][ T5027] dccp_write_xmit+0x118/0x1d0 [ 74.921181][ T5027] dccp_sendmsg+0x550/0x8b8 [ 74.921822][ T5027] inet_sendmsg+0x154/0x284 [ 74.922476][ T5027] __sys_sendto+0x30c/0x420 [ 74.923134][ T5027] __arm64_sys_sendto+0xd8/0xf8 [ 74.923846][ T5027] invoke_syscall+0x98/0x2b0 [ 74.924566][ T5027] el0_svc_common+0x138/0x258 [ 74.925255][ T5027] do_el0_svc+0x58/0x13c [ 74.925847][ T5027] el0_svc+0x78/0x1d0 [ 74.926429][ T5027] el0t_64_sync_handler+0xcc/0xe4 [ 74.927123][ T5027] el0t_64_sync+0x1a0/0x1a4 [ 74.927948][ T5027] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 74.929646][ T5027] CPU: 1 PID: 5027 Comm: syz.0.22 Not tainted syzkaller #0 [ 74.930697][ T5027] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.932201][ T5027] Call trace: [ 74.932680][ T5027] dump_backtrace+0x0/0x458 [ 74.933318][ T5027] show_stack+0x2c/0x3c [ 74.933953][ T5027] __dump_stack+0x30/0x40 [ 74.934585][ T5027] dump_stack_lvl+0xf4/0x15c [ 74.935275][ T5027] dump_stack+0x1c/0x5c [ 74.935865][ T5027] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 74.936672][ T5027] dccp_xmit_packet+0x298/0x448 [ 74.937367][ T5027] dccp_write_xmit+0x118/0x1d0 [ 74.938037][ T5027] dccp_sendmsg+0x550/0x8b8 [ 74.938683][ T5027] inet_sendmsg+0x154/0x284 [ 74.939368][ T5027] __sys_sendto+0x30c/0x420 [ 74.939997][ T5027] __arm64_sys_sendto+0xd8/0xf8 [ 74.940685][ T5027] invoke_syscall+0x98/0x2b0 [ 74.941394][ T5027] el0_svc_common+0x138/0x258 [ 74.942125][ T5027] do_el0_svc+0x58/0x13c [ 74.942774][ T5027] el0_svc+0x78/0x1d0 [ 74.943422][ T5027] el0t_64_sync_handler+0xcc/0xe4 [ 74.944193][ T5027] el0t_64_sync+0x1a0/0x1a4 [ 74.945021][ T5027] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 74.946523][ T5027] CPU: 1 PID: 5027 Comm: syz.0.22 Not tainted syzkaller #0 [ 74.947582][ T5027] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.949112][ T5027] Call trace: [ 74.949566][ T5027] dump_backtrace+0x0/0x458 [ 74.950256][ T5027] show_stack+0x2c/0x3c [ 74.950918][ T5027] __dump_stack+0x30/0x40 [ 74.951610][ T5027] dump_stack_lvl+0xf4/0x15c [ 74.952313][ T5027] dump_stack+0x1c/0x5c [ 74.952930][ T5027] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 74.953740][ T5027] dccp_xmit_packet+0x298/0x448 [ 74.954451][ T5027] dccp_write_xmit+0x118/0x1d0 [ 74.955169][ T5027] dccp_sendmsg+0x550/0x8b8 [ 74.955838][ T5027] inet_sendmsg+0x154/0x284 [ 74.956528][ T5027] __sys_sendto+0x30c/0x420 [ 74.957213][ T5027] __arm64_sys_sendto+0xd8/0xf8 [ 74.957940][ T5027] invoke_syscall+0x98/0x2b0 [ 74.958626][ T5027] el0_svc_common+0x138/0x258 [ 74.959288][ T5027] do_el0_svc+0x58/0x13c [ 74.959914][ T5027] el0_svc+0x78/0x1d0 [ 74.960518][ T5027] el0t_64_sync_handler+0xcc/0xe4 [ 74.961211][ T5027] el0t_64_sync+0x1a0/0x1a4 [ 74.962013][ T5027] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 74.963608][ T5027] CPU: 1 PID: 5027 Comm: syz.0.22 Not tainted syzkaller #0 [ 74.964657][ T5027] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.966155][ T5027] Call trace: [ 74.966626][ T5027] dump_backtrace+0x0/0x458 [ 74.967274][ T5027] show_stack+0x2c/0x3c [ 74.967884][ T5027] __dump_stack+0x30/0x40 [ 74.968539][ T5027] dump_stack_lvl+0xf4/0x15c [ 74.969291][ T5027] dump_stack+0x1c/0x5c [ 74.969910][ T5027] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 74.970729][ T5027] dccp_xmit_packet+0x298/0x448 [ 74.971533][ T5027] dccp_write_xmit+0x118/0x1d0 [ 74.972233][ T5027] dccp_sendmsg+0x550/0x8b8 [ 74.972886][ T5027] inet_sendmsg+0x154/0x284 [ 74.973510][ T5027] __sys_sendto+0x30c/0x420 [ 74.974171][ T5027] __arm64_sys_sendto+0xd8/0xf8 [ 74.974857][ T5027] invoke_syscall+0x98/0x2b0 [ 74.975508][ T5027] el0_svc_common+0x138/0x258 [ 74.976186][ T5027] do_el0_svc+0x58/0x13c [ 74.976797][ T5027] el0_svc+0x78/0x1d0 [ 74.977420][ T5027] el0t_64_sync_handler+0xcc/0xe4 [ 74.978190][ T5027] el0t_64_sync+0x1a0/0x1a4 [ 74.979096][ T5027] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 74.980681][ T5027] CPU: 1 PID: 5027 Comm: syz.0.22 Not tainted syzkaller #0 [ 74.981756][ T5027] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.983276][ T5027] Call trace: [ 74.983782][ T5027] dump_backtrace+0x0/0x458 [ 74.984432][ T5027] show_stack+0x2c/0x3c [ 74.985079][ T5027] __dump_stack+0x30/0x40 [ 74.985771][ T5027] dump_stack_lvl+0xf4/0x15c [ 74.986462][ T5027] dump_stack+0x1c/0x5c [ 74.987076][ T5027] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 74.987944][ T5027] dccp_xmit_packet+0x298/0x448 [ 74.988637][ T5027] dccp_write_xmit+0x118/0x1d0 [ 74.989380][ T5027] dccp_sendmsg+0x550/0x8b8 [ 74.990062][ T5027] inet_sendmsg+0x154/0x284 [ 74.990714][ T5027] __sys_sendto+0x30c/0x420 [ 74.991391][ T5027] __arm64_sys_sendto+0xd8/0xf8 [ 74.992114][ T5027] invoke_syscall+0x98/0x2b0 [ 74.992796][ T5027] el0_svc_common+0x138/0x258 [ 74.993597][ T5027] do_el0_svc+0x58/0x13c [ 74.994218][ T5027] el0_svc+0x78/0x1d0 [ 74.994837][ T5027] el0t_64_sync_handler+0xcc/0xe4 [ 74.995588][ T5027] el0t_64_sync+0x1a0/0x1a4 [ 74.997546][ T5027] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 74.999380][ T5027] CPU: 0 PID: 5027 Comm: syz.0.22 Not tainted syzkaller #0 [ 75.000506][ T5027] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.002097][ T5027] Call trace: [ 75.002572][ T5027] dump_backtrace+0x0/0x458 [ 75.003207][ T5027] show_stack+0x2c/0x3c [ 75.003779][ T5027] __dump_stack+0x30/0x40 [ 75.004415][ T5027] dump_stack_lvl+0xf4/0x15c [ 75.005062][ T5027] dump_stack+0x1c/0x5c [ 75.005648][ T5027] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 75.006424][ T5027] dccp_xmit_packet+0x298/0x448 [ 75.007105][ T5027] dccp_write_xmit+0x118/0x1d0 [ 75.007781][ T5027] dccp_sendmsg+0x550/0x8b8 [ 75.008399][ T5027] inet_sendmsg+0x154/0x284 [ 75.009049][ T5027] __sys_sendto+0x30c/0x420 [ 75.009761][ T5027] __arm64_sys_sendto+0xd8/0xf8 [ 75.010471][ T5027] invoke_syscall+0x98/0x2b0 [ 75.011150][ T5027] el0_svc_common+0x138/0x258 [ 75.011871][ T5027] do_el0_svc+0x58/0x13c [ 75.012522][ T5027] el0_svc+0x78/0x1d0 [ 75.013125][ T5027] el0t_64_sync_handler+0xcc/0xe4 [ 75.013857][ T5027] el0t_64_sync+0x1a0/0x1a4 [ 75.015994][ T5027] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 75.017825][ T5027] CPU: 0 PID: 5027 Comm: syz.0.22 Not tainted syzkaller #0 [ 75.019054][ T5027] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.020667][ T5027] Call trace: [ 75.021163][ T5027] dump_backtrace+0x0/0x458 [ 75.021883][ T5027] show_stack+0x2c/0x3c [ 75.022534][ T5027] __dump_stack+0x30/0x40 [ 75.023185][ T5027] dump_stack_lvl+0xf4/0x15c [ 75.023912][ T5027] dump_stack+0x1c/0x5c [ 75.024585][ T5027] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 75.025438][ T5027] dccp_xmit_packet+0x298/0x448 [ 75.026231][ T5027] dccp_write_xmit+0x118/0x1d0 [ 75.026912][ T5027] dccp_sendmsg+0x550/0x8b8 [ 75.027593][ T5027] inet_sendmsg+0x154/0x284 [ 75.028264][ T5027] __sys_sendto+0x30c/0x420 [ 75.028939][ T5027] __arm64_sys_sendto+0xd8/0xf8 [ 75.029701][ T5027] invoke_syscall+0x98/0x2b0 [ 75.030426][ T5027] el0_svc_common+0x138/0x258 [ 75.031150][ T5027] do_el0_svc+0x58/0x13c [ 75.031801][ T5027] el0_svc+0x78/0x1d0 [ 75.032433][ T5027] el0t_64_sync_handler+0xcc/0xe4 [ 75.033193][ T5027] el0t_64_sync+0x1a0/0x1a4 [ 75.034228][ T5027] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 75.035893][ T5027] CPU: 0 PID: 5027 Comm: syz.0.22 Not tainted syzkaller #0 [ 75.036868][ T5027] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.038277][ T5027] Call trace: [ 75.038739][ T5027] dump_backtrace+0x0/0x458 [ 75.039516][ T5027] show_stack+0x2c/0x3c [ 75.040122][ T5027] __dump_stack+0x30/0x40 [ 75.040772][ T5027] dump_stack_lvl+0xf4/0x15c [ 75.041440][ T5027] dump_stack+0x1c/0x5c [ 75.042012][ T5027] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 75.042740][ T5027] dccp_xmit_packet+0x298/0x448 [ 75.043409][ T5027] dccp_write_xmit+0x118/0x1d0 [ 75.044095][ T5027] dccp_sendmsg+0x550/0x8b8 [ 75.044733][ T5027] inet_sendmsg+0x154/0x284 [ 75.045344][ T5027] __sys_sendto+0x30c/0x420 [ 75.045988][ T5027] __arm64_sys_sendto+0xd8/0xf8 [ 75.046672][ T5027] invoke_syscall+0x98/0x2b0 [ 75.047298][ T5027] el0_svc_common+0x138/0x258 [ 75.048007][ T5027] do_el0_svc+0x58/0x13c [ 75.048663][ T5027] el0_svc+0x78/0x1d0 [ 75.049303][ T5027] el0t_64_sync_handler+0xcc/0xe4 [ 75.050088][ T5027] el0t_64_sync+0x1a0/0x1a4 [ 75.050987][ T5027] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 75.052664][ T5027] CPU: 0 PID: 5027 Comm: syz.0.22 Not tainted syzkaller #0 [ 75.053732][ T5027] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.055201][ T5027] Call trace: [ 75.055671][ T5027] dump_backtrace+0x0/0x458 [ 75.056367][ T5027] show_stack+0x2c/0x3c [ 75.056980][ T5027] __dump_stack+0x30/0x40 [ 75.057678][ T5027] dump_stack_lvl+0xf4/0x15c [ 75.058361][ T5027] dump_stack+0x1c/0x5c [ 75.058997][ T5027] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 75.059823][ T5027] dccp_xmit_packet+0x298/0x448 [ 75.060545][ T5027] dccp_write_xmit+0x118/0x1d0 [ 75.061254][ T5027] dccp_sendmsg+0x550/0x8b8 [ 75.061996][ T5027] inet_sendmsg+0x154/0x284 [ 75.062662][ T5027] __sys_sendto+0x30c/0x420 [ 75.063340][ T5027] __arm64_sys_sendto+0xd8/0xf8 [ 75.064132][ T5027] invoke_syscall+0x98/0x2b0 [ 75.064865][ T5027] el0_svc_common+0x138/0x258 [ 75.065552][ T5027] do_el0_svc+0x58/0x13c [ 75.066218][ T5027] el0_svc+0x78/0x1d0 [ 75.066817][ T5027] el0t_64_sync_handler+0xcc/0xe4 [ 75.067575][ T5027] el0t_64_sync+0x1a0/0x1a4 [ 75.069514][ T5027] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 75.071589][ T5027] CPU: 1 PID: 5027 Comm: syz.0.22 Not tainted syzkaller #0 [ 75.072653][ T5027] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.074147][ T5027] Call trace: [ 75.074690][ T5027] dump_backtrace+0x0/0x458 [ 75.075343][ T5027] show_stack+0x2c/0x3c [ 75.076119][ T5027] __dump_stack+0x30/0x40 [ 75.076766][ T5027] dump_stack_lvl+0xf4/0x15c [ 75.077431][ T5027] dump_stack+0x1c/0x5c [ 75.078029][ T5027] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 75.078869][ T5027] dccp_xmit_packet+0x298/0x448 [ 75.079552][ T5027] dccp_write_xmit+0x118/0x1d0 [ 75.080266][ T5027] dccp_sendmsg+0x550/0x8b8 [ 75.080938][ T5027] inet_sendmsg+0x154/0x284 [ 75.081653][ T5027] __sys_sendto+0x30c/0x420 [ 75.082384][ T5027] __arm64_sys_sendto+0xd8/0xf8 [ 75.083098][ T5027] invoke_syscall+0x98/0x2b0 [ 75.083835][ T5027] el0_svc_common+0x138/0x258 [ 75.084544][ T5027] do_el0_svc+0x58/0x13c [ 75.085241][ T5027] el0_svc+0x78/0x1d0 [ 75.085877][ T5027] el0t_64_sync_handler+0xcc/0xe4 [ 75.086616][ T5027] el0t_64_sync+0x1a0/0x1a4 [ 75.088298][ T5027] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 75.090350][ T5027] CPU: 1 PID: 5027 Comm: syz.0.22 Not tainted syzkaller #0 [ 75.091481][ T5027] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.093010][ T5027] Call trace: [ 75.093531][ T5027] dump_backtrace+0x0/0x458 [ 75.094189][ T5027] show_stack+0x2c/0x3c [ 75.094843][ T5027] __dump_stack+0x30/0x40 [ 75.095529][ T5027] dump_stack_lvl+0xf4/0x15c [ 75.096213][ T5027] dump_stack+0x1c/0x5c [ 75.096833][ T5027] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 75.097675][ T5027] dccp_xmit_packet+0x298/0x448 [ 75.098424][ T5027] dccp_write_xmit+0x118/0x1d0 [ 75.099155][ T5027] dccp_sendmsg+0x550/0x8b8 [ 75.099825][ T5027] inet_sendmsg+0x154/0x284 [ 75.100554][ T5027] __sys_sendto+0x30c/0x420 [ 75.101205][ T5027] __arm64_sys_sendto+0xd8/0xf8 [ 75.101923][ T5027] invoke_syscall+0x98/0x2b0 [ 75.102664][ T5027] el0_svc_common+0x138/0x258 [ 75.103445][ T5027] do_el0_svc+0x58/0x13c [ 75.104057][ T5027] el0_svc+0x78/0x1d0 [ 75.104667][ T5027] el0t_64_sync_handler+0xcc/0xe4 [ 75.105404][ T5027] el0t_64_sync+0x1a0/0x1a4 [ 75.106829][ T5027] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 75.108579][ T5027] CPU: 1 PID: 5027 Comm: syz.0.22 Not tainted syzkaller #0 [ 75.109685][ T5027] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.111238][ T5027] Call trace: [ 75.111754][ T5027] dump_backtrace+0x0/0x458 [ 75.112472][ T5027] show_stack+0x2c/0x3c [ 75.113105][ T5027] __dump_stack+0x30/0x40 [ 75.113775][ T5027] dump_stack_lvl+0xf4/0x15c [ 75.114487][ T5027] dump_stack+0x1c/0x5c [ 75.115126][ T5027] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 75.115927][ T5027] dccp_xmit_packet+0x298/0x448 [ 75.116661][ T5027] dccp_write_xmit+0x118/0x1d0 [ 75.117428][ T5027] dccp_sendmsg+0x550/0x8b8 [ 75.118198][ T5027] inet_sendmsg+0x154/0x284 [ 75.118894][ T5027] __sys_sendto+0x30c/0x420 [ 75.119587][ T5027] __arm64_sys_sendto+0xd8/0xf8 [ 75.120410][ T5027] invoke_syscall+0x98/0x2b0 [ 75.121164][ T5027] el0_svc_common+0x138/0x258 [ 75.121896][ T5027] do_el0_svc+0x58/0x13c [ 75.122587][ T5027] el0_svc+0x78/0x1d0 [ 75.123198][ T5027] el0t_64_sync_handler+0xcc/0xe4 [ 75.123957][ T5027] el0t_64_sync+0x1a0/0x1a4 [ 75.125349][ T5027] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 75.126978][ T5027] CPU: 1 PID: 5027 Comm: syz.0.22 Not tainted syzkaller #0 [ 75.128030][ T5027] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.129513][ T5027] Call trace: [ 75.129966][ T5027] dump_backtrace+0x0/0x458 [ 75.130630][ T5027] show_stack+0x2c/0x3c [ 75.131280][ T5027] __dump_stack+0x30/0x40 [ 75.131924][ T5027] dump_stack_lvl+0xf4/0x15c [ 75.132601][ T5027] dump_stack+0x1c/0x5c [ 75.133212][ T5027] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 75.134006][ T5027] dccp_xmit_packet+0x298/0x448 [ 75.134733][ T5027] dccp_write_xmit+0x118/0x1d0 [ 75.135481][ T5027] dccp_sendmsg+0x550/0x8b8 [ 75.136228][ T5027] inet_sendmsg+0x154/0x284 [ 75.136866][ T5027] __sys_sendto+0x30c/0x420 [ 75.137617][ T5027] __arm64_sys_sendto+0xd8/0xf8 [ 75.138333][ T5027] invoke_syscall+0x98/0x2b0 [ 75.139047][ T5027] el0_svc_common+0x138/0x258 [ 75.139754][ T5027] do_el0_svc+0x58/0x13c [ 75.140393][ T5027] el0_svc+0x78/0x1d0 [ 75.141013][ T5027] el0t_64_sync_handler+0xcc/0xe4 [ 75.141776][ T5027] el0t_64_sync+0x1a0/0x1a4 [ 75.153858][ T5029] dccp_xmit_packet: Payload too large (65475) for featneg. [ 75.160620][ T5029] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 75.162316][ T5029] CPU: 1 PID: 5029 Comm: syz.0.23 Not tainted syzkaller #0 [ 75.163429][ T5029] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.164962][ T5029] Call trace: [ 75.165507][ T5029] dump_backtrace+0x0/0x458 [ 75.166184][ T5029] show_stack+0x2c/0x3c [ 75.166816][ T5029] __dump_stack+0x30/0x40 [ 75.167525][ T5029] dump_stack_lvl+0xf4/0x15c [ 75.168246][ T5029] dump_stack+0x1c/0x5c [ 75.168882][ T5029] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 75.169710][ T5029] dccp_xmit_packet+0x298/0x448 [ 75.170476][ T5029] dccp_write_xmit+0x118/0x1d0 [ 75.171249][ T5029] dccp_sendmsg+0x550/0x8b8 [ 75.171966][ T5029] inet_sendmsg+0x154/0x284 [ 75.172676][ T5029] __sys_sendto+0x30c/0x420 [ 75.173371][ T5029] __arm64_sys_sendto+0xd8/0xf8 [ 75.174106][ T5029] invoke_syscall+0x98/0x2b0 [ 75.174813][ T5029] el0_svc_common+0x138/0x258 [ 75.175523][ T5029] do_el0_svc+0x58/0x13c [ 75.176162][ T5029] el0_svc+0x78/0x1d0 [ 75.176763][ T5029] el0t_64_sync_handler+0xcc/0xe4 [ 75.177519][ T5029] el0t_64_sync+0x1a0/0x1a4 [ 75.178400][ T5029] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 75.179971][ T5029] CPU: 1 PID: 5029 Comm: syz.0.23 Not tainted syzkaller #0 [ 75.181058][ T5029] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.182542][ T5029] Call trace: [ 75.183047][ T5029] dump_backtrace+0x0/0x458 [ 75.183684][ T5029] show_stack+0x2c/0x3c [ 75.184292][ T5029] __dump_stack+0x30/0x40 [ 75.185094][ T5029] dump_stack_lvl+0xf4/0x15c [ 75.185794][ T5029] dump_stack+0x1c/0x5c [ 75.186388][ T5029] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 75.187292][ T5029] dccp_xmit_packet+0x298/0x448 [ 75.188018][ T5029] dccp_write_xmit+0x118/0x1d0 [ 75.188684][ T5029] dccp_sendmsg+0x550/0x8b8 [ 75.189335][ T5029] inet_sendmsg+0x154/0x284 [ 75.189982][ T5029] __sys_sendto+0x30c/0x420 [ 75.190594][ T5029] __arm64_sys_sendto+0xd8/0xf8 [ 75.191353][ T5029] invoke_syscall+0x98/0x2b0 [ 75.192041][ T5029] el0_svc_common+0x138/0x258 [ 75.192740][ T5029] do_el0_svc+0x58/0x13c [ 75.193387][ T5029] el0_svc+0x78/0x1d0 [ 75.193979][ T5029] el0t_64_sync_handler+0xcc/0xe4 [ 75.194739][ T5029] el0t_64_sync+0x1a0/0x1a4 [ 75.195791][ T5029] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 75.197536][ T5029] CPU: 1 PID: 5029 Comm: syz.0.23 Not tainted syzkaller #0 [ 75.198611][ T5029] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.200081][ T5029] Call trace: [ 75.200592][ T5029] dump_backtrace+0x0/0x458 [ 75.201272][ T5029] show_stack+0x2c/0x3c [ 75.201906][ T5029] __dump_stack+0x30/0x40 [ 75.202572][ T5029] dump_stack_lvl+0xf4/0x15c [ 75.203200][ T5029] dump_stack+0x1c/0x5c [ 75.203809][ T5029] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 75.204658][ T5029] dccp_xmit_packet+0x298/0x448 [ 75.205425][ T5029] dccp_write_xmit+0x118/0x1d0 [ 75.206167][ T5029] dccp_sendmsg+0x550/0x8b8 [ 75.206831][ T5029] inet_sendmsg+0x154/0x284 [ 75.207531][ T5029] __sys_sendto+0x30c/0x420 [ 75.208258][ T5029] __arm64_sys_sendto+0xd8/0xf8 [ 75.209019][ T5029] invoke_syscall+0x98/0x2b0 [ 75.209695][ T5029] el0_svc_common+0x138/0x258 [ 75.210388][ T5029] do_el0_svc+0x58/0x13c [ 75.211034][ T5029] el0_svc+0x78/0x1d0 [ 75.211623][ T5029] el0t_64_sync_handler+0xcc/0xe4 [ 75.212336][ T5029] el0t_64_sync+0x1a0/0x1a4 [ 75.213254][ T5029] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 75.215117][ T5029] CPU: 1 PID: 5029 Comm: syz.0.23 Not tainted syzkaller #0 [ 75.216177][ T5029] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.217772][ T5029] Call trace: [ 75.218230][ T5029] dump_backtrace+0x0/0x458 [ 75.218941][ T5029] show_stack+0x2c/0x3c [ 75.219538][ T5029] __dump_stack+0x30/0x40 [ 75.220167][ T5029] dump_stack_lvl+0xf4/0x15c [ 75.220802][ T5029] dump_stack+0x1c/0x5c [ 75.221426][ T5029] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 75.222249][ T5029] dccp_xmit_packet+0x298/0x448 [ 75.223035][ T5029] dccp_write_xmit+0x118/0x1d0 [ 75.223719][ T5029] dccp_sendmsg+0x550/0x8b8 [ 75.224359][ T5029] inet_sendmsg+0x154/0x284 [ 75.225058][ T5029] __sys_sendto+0x30c/0x420 [ 75.225716][ T5029] __arm64_sys_sendto+0xd8/0xf8 [ 75.226418][ T5029] invoke_syscall+0x98/0x2b0 [ 75.227116][ T5029] el0_svc_common+0x138/0x258 [ 75.227839][ T5029] do_el0_svc+0x58/0x13c [ 75.228499][ T5029] el0_svc+0x78/0x1d0 [ 75.229093][ T5029] el0t_64_sync_handler+0xcc/0xe4 [ 75.229847][ T5029] el0t_64_sync+0x1a0/0x1a4 [ 75.231473][ T5029] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 75.233260][ T5029] CPU: 1 PID: 5029 Comm: syz.0.23 Not tainted syzkaller #0 [ 75.234351][ T5029] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.235902][ T5029] Call trace: [ 75.236427][ T5029] dump_backtrace+0x0/0x458 [ 75.237161][ T5029] show_stack+0x2c/0x3c [ 75.237819][ T5029] __dump_stack+0x30/0x40 [ 75.238560][ T5029] dump_stack_lvl+0xf4/0x15c [ 75.239304][ T5029] dump_stack+0x1c/0x5c [ 75.239927][ T5029] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 75.240790][ T5029] dccp_xmit_packet+0x298/0x448 [ 75.241637][ T5029] dccp_write_xmit+0x118/0x1d0 [ 75.242384][ T5029] dccp_sendmsg+0x550/0x8b8 [ 75.243119][ T5029] inet_sendmsg+0x154/0x284 [ 75.243797][ T5029] __sys_sendto+0x30c/0x420 [ 75.244457][ T5029] __arm64_sys_sendto+0xd8/0xf8 [ 75.245183][ T5029] invoke_syscall+0x98/0x2b0 [ 75.245872][ T5029] el0_svc_common+0x138/0x258 [ 75.246600][ T5029] do_el0_svc+0x58/0x13c [ 75.247225][ T5029] el0_svc+0x78/0x1d0 [ 75.247877][ T5029] el0t_64_sync_handler+0xcc/0xe4 [ 75.248599][ T5029] el0t_64_sync+0x1a0/0x1a4 [ 75.250029][ T5029] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 75.251666][ T5029] CPU: 1 PID: 5029 Comm: syz.0.23 Not tainted syzkaller #0 [ 75.252815][ T5029] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.254412][ T5029] Call trace: [ 75.254887][ T5029] dump_backtrace+0x0/0x458 [ 75.255562][ T5029] show_stack+0x2c/0x3c [ 75.256167][ T5029] __dump_stack+0x30/0x40 [ 75.256806][ T5029] dump_stack_lvl+0xf4/0x15c [ 75.257477][ T5029] dump_stack+0x1c/0x5c [ 75.258150][ T5029] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 75.259018][ T5029] dccp_xmit_packet+0x298/0x448 [ 75.259760][ T5029] dccp_write_xmit+0x118/0x1d0 [ 75.260517][ T5029] dccp_sendmsg+0x550/0x8b8 [ 75.261199][ T5029] inet_sendmsg+0x154/0x284 [ 75.261896][ T5029] __sys_sendto+0x30c/0x420 [ 75.262583][ T5029] __arm64_sys_sendto+0xd8/0xf8 [ 75.263342][ T5029] invoke_syscall+0x98/0x2b0 [ 75.264045][ T5029] el0_svc_common+0x138/0x258 [ 75.264738][ T5029] do_el0_svc+0x58/0x13c [ 75.265387][ T5029] el0_svc+0x78/0x1d0 [ 75.266020][ T5029] el0t_64_sync_handler+0xcc/0xe4 [ 75.266741][ T5029] el0t_64_sync+0x1a0/0x1a4 [ 75.267626][ T5029] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 75.269258][ T5029] CPU: 1 PID: 5029 Comm: syz.0.23 Not tainted syzkaller #0 [ 75.270266][ T5029] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.271723][ T5029] Call trace: [ 75.272179][ T5029] dump_backtrace+0x0/0x458 [ 75.272902][ T5029] show_stack+0x2c/0x3c [ 75.273563][ T5029] __dump_stack+0x30/0x40 [ 75.274213][ T5029] dump_stack_lvl+0xf4/0x15c [ 75.274932][ T5029] dump_stack+0x1c/0x5c [ 75.275556][ T5029] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 75.276334][ T5029] dccp_xmit_packet+0x298/0x448 [ 75.277002][ T5029] dccp_write_xmit+0x118/0x1d0 [ 75.277711][ T5029] dccp_sendmsg+0x550/0x8b8 [ 75.278371][ T5029] inet_sendmsg+0x154/0x284 [ 75.279075][ T5029] __sys_sendto+0x30c/0x420 [ 75.279802][ T5029] __arm64_sys_sendto+0xd8/0xf8 [ 75.280519][ T5029] invoke_syscall+0x98/0x2b0 [ 75.281178][ T5029] el0_svc_common+0x138/0x258 [ 75.281855][ T5029] do_el0_svc+0x58/0x13c [ 75.282518][ T5029] el0_svc+0x78/0x1d0 [ 75.283178][ T5029] el0t_64_sync_handler+0xcc/0xe4 [ 75.283999][ T5029] el0t_64_sync+0x1a0/0x1a4 [ 75.284965][ T5029] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 75.286615][ T5029] CPU: 1 PID: 5029 Comm: syz.0.23 Not tainted syzkaller #0 [ 75.287674][ T5029] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.289149][ T5029] Call trace: [ 75.289636][ T5029] dump_backtrace+0x0/0x458 [ 75.290344][ T5029] show_stack+0x2c/0x3c [ 75.290925][ T5029] __dump_stack+0x30/0x40 [ 75.291534][ T5029] dump_stack_lvl+0xf4/0x15c [ 75.292202][ T5029] dump_stack+0x1c/0x5c [ 75.292793][ T5029] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 75.293643][ T5029] dccp_xmit_packet+0x298/0x448 [ 75.294349][ T5029] dccp_write_xmit+0x118/0x1d0 [ 75.295063][ T5029] dccp_sendmsg+0x550/0x8b8 [ 75.295715][ T5029] inet_sendmsg+0x154/0x284 [ 75.296388][ T5029] __sys_sendto+0x30c/0x420 [ 75.297066][ T5029] __arm64_sys_sendto+0xd8/0xf8 [ 75.297742][ T5029] invoke_syscall+0x98/0x2b0 [ 75.298413][ T5029] el0_svc_common+0x138/0x258 [ 75.299076][ T5029] do_el0_svc+0x58/0x13c [ 75.299671][ T5029] el0_svc+0x78/0x1d0 [ 75.300376][ T5029] el0t_64_sync_handler+0xcc/0xe4 [ 75.301128][ T5029] el0t_64_sync+0x1a0/0x1a4 [ 75.302198][ T5029] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 75.303932][ T5029] CPU: 1 PID: 5029 Comm: syz.0.23 Not tainted syzkaller #0 [ 75.305104][ T5029] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.306661][ T5029] Call trace: [ 75.307182][ T5029] dump_backtrace+0x0/0x458 [ 75.307891][ T5029] show_stack+0x2c/0x3c [ 75.308516][ T5029] __dump_stack+0x30/0x40 [ 75.309195][ T5029] dump_stack_lvl+0xf4/0x15c [ 75.309885][ T5029] dump_stack+0x1c/0x5c [ 75.310620][ T5029] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 75.311472][ T5029] dccp_xmit_packet+0x298/0x448 [ 75.312200][ T5029] dccp_write_xmit+0x118/0x1d0 [ 75.313012][ T5029] dccp_sendmsg+0x550/0x8b8 [ 75.313700][ T5029] inet_sendmsg+0x154/0x284 [ 75.314364][ T5029] __sys_sendto+0x30c/0x420 [ 75.315022][ T5029] __arm64_sys_sendto+0xd8/0xf8 [ 75.315777][ T5029] invoke_syscall+0x98/0x2b0 [ 75.316518][ T5029] el0_svc_common+0x138/0x258 [ 75.317219][ T5029] do_el0_svc+0x58/0x13c [ 75.317824][ T5029] el0_svc+0x78/0x1d0 [ 75.318427][ T5029] el0t_64_sync_handler+0xcc/0xe4 [ 75.319155][ T5029] el0t_64_sync+0x1a0/0x1a4 [ 75.320743][ T5029] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 75.322454][ T5029] CPU: 1 PID: 5029 Comm: syz.0.23 Not tainted syzkaller #0 [ 75.323514][ T5029] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.324996][ T5029] Call trace: [ 75.325474][ T5029] dump_backtrace+0x0/0x458 [ 75.326199][ T5029] show_stack+0x2c/0x3c [ 75.326811][ T5029] __dump_stack+0x30/0x40 [ 75.327473][ T5029] dump_stack_lvl+0xf4/0x15c [ 75.328218][ T5029] dump_stack+0x1c/0x5c [ 75.328881][ T5029] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 75.329752][ T5029] dccp_xmit_packet+0x298/0x448 [ 75.330519][ T5029] dccp_write_xmit+0x118/0x1d0 [ 75.331229][ T5029] dccp_sendmsg+0x550/0x8b8 [ 75.331878][ T5029] inet_sendmsg+0x154/0x284 [ 75.332537][ T5029] __sys_sendto+0x30c/0x420 [ 75.333252][ T5029] __arm64_sys_sendto+0xd8/0xf8 [ 75.333983][ T5029] invoke_syscall+0x98/0x2b0 [ 75.334669][ T5029] el0_svc_common+0x138/0x258 [ 75.335366][ T5029] do_el0_svc+0x58/0x13c [ 75.335962][ T5029] el0_svc+0x78/0x1d0 [ 75.336540][ T5029] el0t_64_sync_handler+0xcc/0xe4 [ 75.337300][ T5029] el0t_64_sync+0x1a0/0x1a4 [ 75.338186][ T5029] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 75.339822][ T5029] CPU: 1 PID: 5029 Comm: syz.0.23 Not tainted syzkaller #0 [ 75.340873][ T5029] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.342193][ T5029] Call trace: [ 75.342648][ T5029] dump_backtrace+0x0/0x458 [ 75.343276][ T5029] show_stack+0x2c/0x3c [ 75.343878][ T5029] __dump_stack+0x30/0x40 [ 75.344523][ T5029] dump_stack_lvl+0xf4/0x15c [ 75.345228][ T5029] dump_stack+0x1c/0x5c [ 75.345844][ T5029] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 75.346669][ T5029] dccp_xmit_packet+0x298/0x448 [ 75.347419][ T5029] dccp_write_xmit+0x118/0x1d0 [ 75.348117][ T5029] dccp_sendmsg+0x550/0x8b8 [ 75.348829][ T5029] inet_sendmsg+0x154/0x284 [ 75.349539][ T5029] __sys_sendto+0x30c/0x420 [ 75.350241][ T5029] __arm64_sys_sendto+0xd8/0xf8 [ 75.350979][ T5029] invoke_syscall+0x98/0x2b0 [ 75.351640][ T5029] el0_svc_common+0x138/0x258 [ 75.352330][ T5029] do_el0_svc+0x58/0x13c [ 75.352941][ T5029] el0_svc+0x78/0x1d0 [ 75.353506][ T5029] el0t_64_sync_handler+0xcc/0xe4 [ 75.354225][ T5029] el0t_64_sync+0x1a0/0x1a4 [ 75.355031][ T5029] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 75.356548][ T5029] CPU: 1 PID: 5029 Comm: syz.0.23 Not tainted syzkaller #0 [ 75.357577][ T5029] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.358977][ T5029] Call trace: [ 75.359444][ T5029] dump_backtrace+0x0/0x458 [ 75.360107][ T5029] show_stack+0x2c/0x3c [ 75.360683][ T5029] __dump_stack+0x30/0x40 [ 75.361341][ T5029] dump_stack_lvl+0xf4/0x15c [ 75.362004][ T5029] dump_stack+0x1c/0x5c [ 75.362608][ T5029] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 75.363382][ T5029] dccp_xmit_packet+0x298/0x448 [ 75.364058][ T5029] dccp_write_xmit+0x118/0x1d0 [ 75.364744][ T5029] dccp_sendmsg+0x550/0x8b8 [ 75.365426][ T5029] inet_sendmsg+0x154/0x284 [ 75.366046][ T5029] __sys_sendto+0x30c/0x420 [ 75.366719][ T5029] __arm64_sys_sendto+0xd8/0xf8 [ 75.367431][ T5029] invoke_syscall+0x98/0x2b0 [ 75.368109][ T5029] el0_svc_common+0x138/0x258 [ 75.368832][ T5029] do_el0_svc+0x58/0x13c [ 75.369498][ T5029] el0_svc+0x78/0x1d0 [ 75.370085][ T5029] el0t_64_sync_handler+0xcc/0xe4 [ 75.370797][ T5029] el0t_64_sync+0x1a0/0x1a4 [ 75.371627][ T5029] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 75.373184][ T5029] CPU: 1 PID: 5029 Comm: syz.0.23 Not tainted syzkaller #0 [ 75.374267][ T5029] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.375668][ T5029] Call trace: [ 75.376102][ T5029] dump_backtrace+0x0/0x458 [ 75.376720][ T5029] show_stack+0x2c/0x3c [ 75.377302][ T5029] __dump_stack+0x30/0x40 [ 75.377927][ T5029] dump_stack_lvl+0xf4/0x15c [ 75.378620][ T5029] dump_stack+0x1c/0x5c [ 75.379190][ T5029] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 75.379995][ T5029] dccp_xmit_packet+0x298/0x448 [ 75.380717][ T5029] dccp_write_xmit+0x118/0x1d0 [ 75.381456][ T5029] dccp_sendmsg+0x550/0x8b8 [ 75.382108][ T5029] inet_sendmsg+0x154/0x284 [ 75.382796][ T5029] __sys_sendto+0x30c/0x420 [ 75.383452][ T5029] __arm64_sys_sendto+0xd8/0xf8 [ 75.384172][ T5029] invoke_syscall+0x98/0x2b0 [ 75.384852][ T5029] el0_svc_common+0x138/0x258 [ 75.385597][ T5029] do_el0_svc+0x58/0x13c [ 75.386247][ T5029] el0_svc+0x78/0x1d0 [ 75.386883][ T5029] el0t_64_sync_handler+0xcc/0xe4 [ 75.387628][ T5029] el0t_64_sync+0x1a0/0x1a4 [ 75.388611][ T5029] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 75.390173][ T5029] CPU: 1 PID: 5029 Comm: syz.0.23 Not tainted syzkaller #0 [ 75.391182][ T5029] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.392579][ T5029] Call trace: [ 75.393054][ T5029] dump_backtrace+0x0/0x458 [ 75.393756][ T5029] show_stack+0x2c/0x3c [ 75.394334][ T5029] __dump_stack+0x30/0x40 [ 75.394955][ T5029] dump_stack_lvl+0xf4/0x15c [ 75.395703][ T5029] dump_stack+0x1c/0x5c [ 75.396337][ T5029] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 75.397221][ T5029] dccp_xmit_packet+0x298/0x448 [ 75.397952][ T5029] dccp_write_xmit+0x118/0x1d0 [ 75.398655][ T5029] dccp_sendmsg+0x550/0x8b8 [ 75.399310][ T5029] inet_sendmsg+0x154/0x284 [ 75.399983][ T5029] __sys_sendto+0x30c/0x420 [ 75.400617][ T5029] __arm64_sys_sendto+0xd8/0xf8 [ 75.401284][ T5029] invoke_syscall+0x98/0x2b0 [ 75.401951][ T5029] el0_svc_common+0x138/0x258 [ 75.402672][ T5029] do_el0_svc+0x58/0x13c [ 75.403329][ T5029] el0_svc+0x78/0x1d0 [ 75.403916][ T5029] el0t_64_sync_handler+0xcc/0xe4 [ 75.404658][ T5029] el0t_64_sync+0x1a0/0x1a4 [ 75.405680][ T5029] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 75.407438][ T5029] CPU: 1 PID: 5029 Comm: syz.0.23 Not tainted syzkaller #0 [ 75.407471][ T136] device hsr_slave_0 left promiscuous mode [ 75.408576][ T5029] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.411116][ T5029] Call trace: [ 75.411595][ T5029] dump_backtrace+0x0/0x458 [ 75.412277][ T5029] show_stack+0x2c/0x3c [ 75.412926][ T5029] __dump_stack+0x30/0x40 [ 75.413584][ T5029] dump_stack_lvl+0xf4/0x15c [ 75.414279][ T5029] dump_stack+0x1c/0x5c [ 75.414928][ T5029] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 75.415791][ T5029] dccp_xmit_packet+0x298/0x448 [ 75.416567][ T5029] dccp_write_xmit+0x118/0x1d0 [ 75.417317][ T5029] dccp_sendmsg+0x550/0x8b8 [ 75.418009][ T5029] inet_sendmsg+0x154/0x284 [ 75.418724][ T5029] __sys_sendto+0x30c/0x420 [ 75.419439][ T5029] __arm64_sys_sendto+0xd8/0xf8 [ 75.420227][ T5029] invoke_syscall+0x98/0x2b0 [ 75.420961][ T5029] el0_svc_common+0x138/0x258 [ 75.421735][ T5029] do_el0_svc+0x58/0x13c [ 75.422394][ T5029] el0_svc+0x78/0x1d0 [ 75.423027][ T5029] el0t_64_sync_handler+0xcc/0xe4 [ 75.423828][ T5029] el0t_64_sync+0x1a0/0x1a4 [ 75.424685][ T5029] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 75.426344][ T5029] CPU: 1 PID: 5029 Comm: syz.0.23 Not tainted syzkaller #0 [ 75.427482][ T5029] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.429147][ T5029] Call trace: [ 75.429633][ T5029] dump_backtrace+0x0/0x458 [ 75.430290][ T5029] show_stack+0x2c/0x3c [ 75.430921][ T5029] __dump_stack+0x30/0x40 [ 75.431595][ T5029] dump_stack_lvl+0xf4/0x15c [ 75.432273][ T5029] dump_stack+0x1c/0x5c [ 75.432875][ T5029] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 75.433682][ T5029] dccp_xmit_packet+0x298/0x448 [ 75.434429][ T5029] dccp_write_xmit+0x118/0x1d0 [ 75.435165][ T5029] dccp_sendmsg+0x550/0x8b8 [ 75.435897][ T5029] inet_sendmsg+0x154/0x284 [ 75.436602][ T5029] __sys_sendto+0x30c/0x420 [ 75.437264][ T5029] __arm64_sys_sendto+0xd8/0xf8 [ 75.437967][ T5029] invoke_syscall+0x98/0x2b0 [ 75.438605][ T5029] el0_svc_common+0x138/0x258 [ 75.439328][ T5029] do_el0_svc+0x58/0x13c [ 75.439982][ T5029] el0_svc+0x78/0x1d0 [ 75.440590][ T5029] el0t_64_sync_handler+0xcc/0xe4 [ 75.441378][ T5029] el0t_64_sync+0x1a0/0x1a4 [ 75.452496][ T5031] dccp_xmit_packet: Payload too large (65475) for featneg. [ 75.454573][ T136] device hsr_slave_1 left promiscuous mode [ 75.469941][ T5033] dccp_xmit_packet: Payload too large (65475) for featneg. [ 75.477273][ T5033] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 75.478986][ T5033] CPU: 0 PID: 5033 Comm: syz.0.25 Not tainted syzkaller #0 [ 75.480097][ T5033] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.481624][ T5033] Call trace: [ 75.482088][ T5033] dump_backtrace+0x0/0x458 [ 75.482732][ T5033] show_stack+0x2c/0x3c [ 75.483317][ T5033] __dump_stack+0x30/0x40 [ 75.483972][ T5033] dump_stack_lvl+0xf4/0x15c [ 75.484720][ T5033] dump_stack+0x1c/0x5c [ 75.485311][ T5033] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 75.486119][ T5033] dccp_xmit_packet+0x298/0x448 [ 75.486872][ T5033] dccp_write_xmit+0x118/0x1d0 [ 75.487605][ T5033] dccp_sendmsg+0x550/0x8b8 [ 75.488251][ T5033] inet_sendmsg+0x154/0x284 [ 75.488905][ T5033] __sys_sendto+0x30c/0x420 [ 75.489591][ T5033] __arm64_sys_sendto+0xd8/0xf8 [ 75.490332][ T5033] invoke_syscall+0x98/0x2b0 [ 75.491016][ T5033] el0_svc_common+0x138/0x258 [ 75.491659][ T5033] do_el0_svc+0x58/0x13c [ 75.492245][ T5033] el0_svc+0x78/0x1d0 [ 75.492813][ T5033] el0t_64_sync_handler+0xcc/0xe4 [ 75.493567][ T5033] el0t_64_sync+0x1a0/0x1a4 [ 75.495549][ T5033] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 75.497106][ T5033] CPU: 0 PID: 5033 Comm: syz.0.25 Not tainted syzkaller #0 [ 75.498157][ T5033] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.499574][ T5033] Call trace: [ 75.500033][ T5033] dump_backtrace+0x0/0x458 [ 75.500705][ T5033] show_stack+0x2c/0x3c [ 75.501288][ T5033] __dump_stack+0x30/0x40 [ 75.501897][ T5033] dump_stack_lvl+0xf4/0x15c [ 75.502552][ T5033] dump_stack+0x1c/0x5c [ 75.503162][ T5033] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 75.504036][ T5033] dccp_xmit_packet+0x298/0x448 [ 75.504805][ T5033] dccp_write_xmit+0x118/0x1d0 [ 75.505523][ T5033] dccp_sendmsg+0x550/0x8b8 [ 75.506175][ T5033] inet_sendmsg+0x154/0x284 [ 75.506875][ T5033] __sys_sendto+0x30c/0x420 [ 75.507542][ T5033] __arm64_sys_sendto+0xd8/0xf8 [ 75.508327][ T5033] invoke_syscall+0x98/0x2b0 [ 75.509038][ T5033] el0_svc_common+0x138/0x258 [ 75.509755][ T5033] do_el0_svc+0x58/0x13c [ 75.510412][ T5033] el0_svc+0x78/0x1d0 [ 75.511028][ T5033] el0t_64_sync_handler+0xcc/0xe4 [ 75.511815][ T5033] el0t_64_sync+0x1a0/0x1a4 [ 75.513135][ T5033] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 75.514959][ T5033] CPU: 0 PID: 5033 Comm: syz.0.25 Not tainted syzkaller #0 [ 75.515985][ T5033] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.517453][ T5033] Call trace: [ 75.517975][ T5033] dump_backtrace+0x0/0x458 [ 75.518594][ T5033] show_stack+0x2c/0x3c [ 75.519201][ T5033] __dump_stack+0x30/0x40 [ 75.519826][ T5033] dump_stack_lvl+0xf4/0x15c [ 75.520458][ T5033] dump_stack+0x1c/0x5c [ 75.521018][ T5033] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 75.521815][ T5033] dccp_xmit_packet+0x298/0x448 [ 75.522530][ T5033] dccp_write_xmit+0x118/0x1d0 [ 75.523226][ T5033] dccp_sendmsg+0x550/0x8b8 [ 75.523927][ T5033] inet_sendmsg+0x154/0x284 [ 75.524631][ T5033] __sys_sendto+0x30c/0x420 [ 75.525329][ T5033] __arm64_sys_sendto+0xd8/0xf8 [ 75.526048][ T5033] invoke_syscall+0x98/0x2b0 [ 75.526730][ T5033] el0_svc_common+0x138/0x258 [ 75.527384][ T5033] do_el0_svc+0x58/0x13c [ 75.527974][ T5033] el0_svc+0x78/0x1d0 [ 75.528556][ T5033] el0t_64_sync_handler+0xcc/0xe4 [ 75.529302][ T5033] el0t_64_sync+0x1a0/0x1a4 [ 75.530166][ T5033] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 75.531907][ T5033] CPU: 0 PID: 5033 Comm: syz.0.25 Not tainted syzkaller #0 [ 75.532991][ T5033] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.534436][ T5033] Call trace: [ 75.534880][ T5033] dump_backtrace+0x0/0x458 [ 75.535557][ T5033] show_stack+0x2c/0x3c [ 75.536130][ T5033] __dump_stack+0x30/0x40 [ 75.536739][ T5033] dump_stack_lvl+0xf4/0x15c [ 75.537370][ T5033] dump_stack+0x1c/0x5c [ 75.537967][ T5033] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 75.538771][ T5033] dccp_xmit_packet+0x298/0x448 [ 75.539464][ T5033] dccp_write_xmit+0x118/0x1d0 [ 75.540160][ T5033] dccp_sendmsg+0x550/0x8b8 [ 75.540797][ T5033] inet_sendmsg+0x154/0x284 [ 75.541438][ T5033] __sys_sendto+0x30c/0x420 [ 75.542186][ T5033] __arm64_sys_sendto+0xd8/0xf8 [ 75.542866][ T5033] invoke_syscall+0x98/0x2b0 [ 75.543580][ T5033] el0_svc_common+0x138/0x258 [ 75.544260][ T5033] do_el0_svc+0x58/0x13c [ 75.544865][ T5033] el0_svc+0x78/0x1d0 [ 75.545413][ T5033] el0t_64_sync_handler+0xcc/0xe4 [ 75.546118][ T5033] el0t_64_sync+0x1a0/0x1a4 [ 75.546915][ T136] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 75.547962][ T136] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 75.548030][ T5033] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 75.550847][ T5033] CPU: 1 PID: 5033 Comm: syz.0.25 Not tainted syzkaller #0 [ 75.551202][ T136] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 75.551984][ T5033] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.553107][ T136] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 75.554684][ T5033] Call trace: [ 75.554691][ T5033] dump_backtrace+0x0/0x458 [ 75.554707][ T5033] show_stack+0x2c/0x3c [ 75.554717][ T5033] __dump_stack+0x30/0x40 [ 75.554725][ T5033] dump_stack_lvl+0xf4/0x15c [ 75.554732][ T5033] dump_stack+0x1c/0x5c [ 75.559438][ T5033] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 75.560284][ T5033] dccp_xmit_packet+0x298/0x448 [ 75.561015][ T5033] dccp_write_xmit+0x118/0x1d0 [ 75.561781][ T5033] dccp_sendmsg+0x550/0x8b8 [ 75.562454][ T5033] inet_sendmsg+0x154/0x284 [ 75.563145][ T5033] __sys_sendto+0x30c/0x420 [ 75.563818][ T5033] __arm64_sys_sendto+0xd8/0xf8 [ 75.564508][ T5033] invoke_syscall+0x98/0x2b0 [ 75.565207][ T5033] el0_svc_common+0x138/0x258 [ 75.565932][ T5033] do_el0_svc+0x58/0x13c [ 75.566550][ T5033] el0_svc+0x78/0x1d0 [ 75.567128][ T5033] el0t_64_sync_handler+0xcc/0xe4 [ 75.567815][ T5033] el0t_64_sync+0x1a0/0x1a4 [ 75.568850][ T5033] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 75.570633][ T136] device bridge_slave_1 left promiscuous mode [ 75.570721][ T5033] CPU: 1 PID: 5033 Comm: syz.0.25 Not tainted syzkaller #0 [ 75.571660][ T136] bridge0: port 2(bridge_slave_1) entered disabled state [ 75.572700][ T5033] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.575318][ T5033] Call trace: [ 75.575883][ T5033] dump_backtrace+0x0/0x458 [ 75.576598][ T5033] show_stack+0x2c/0x3c [ 75.577291][ T5033] __dump_stack+0x30/0x40 [ 75.577961][ T5033] dump_stack_lvl+0xf4/0x15c [ 75.578683][ T5033] dump_stack+0x1c/0x5c [ 75.579355][ T5033] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 75.580242][ T5033] dccp_xmit_packet+0x298/0x448 [ 75.581043][ T5033] dccp_write_xmit+0x118/0x1d0 [ 75.581816][ T5033] dccp_sendmsg+0x550/0x8b8 [ 75.582526][ T5033] inet_sendmsg+0x154/0x284 [ 75.583284][ T5033] __sys_sendto+0x30c/0x420 [ 75.584019][ T5033] __arm64_sys_sendto+0xd8/0xf8 [ 75.584802][ T5033] invoke_syscall+0x98/0x2b0 [ 75.585526][ T5033] el0_svc_common+0x138/0x258 [ 75.586232][ T5033] do_el0_svc+0x58/0x13c [ 75.586869][ T5033] el0_svc+0x78/0x1d0 [ 75.587466][ T5033] el0t_64_sync_handler+0xcc/0xe4 [ 75.588205][ T5033] el0t_64_sync+0x1a0/0x1a4 [ 75.589259][ T5033] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 75.591034][ T5033] CPU: 1 PID: 5033 Comm: syz.0.25 Not tainted syzkaller #0 [ 75.592100][ T5033] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.593505][ T5033] Call trace: [ 75.593967][ T5033] dump_backtrace+0x0/0x458 [ 75.594741][ T5033] show_stack+0x2c/0x3c [ 75.595432][ T5033] __dump_stack+0x30/0x40 [ 75.596128][ T5033] dump_stack_lvl+0xf4/0x15c [ 75.596815][ T5033] dump_stack+0x1c/0x5c [ 75.597487][ T5033] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 75.598361][ T5033] dccp_xmit_packet+0x298/0x448 [ 75.599141][ T5033] dccp_write_xmit+0x118/0x1d0 [ 75.599846][ T5033] dccp_sendmsg+0x550/0x8b8 [ 75.600533][ T5033] inet_sendmsg+0x154/0x284 [ 75.601249][ T5033] __sys_sendto+0x30c/0x420 [ 75.601943][ T5033] __arm64_sys_sendto+0xd8/0xf8 [ 75.602670][ T5033] invoke_syscall+0x98/0x2b0 [ 75.603357][ T5033] el0_svc_common+0x138/0x258 [ 75.604111][ T5033] do_el0_svc+0x58/0x13c [ 75.604728][ T5033] el0_svc+0x78/0x1d0 [ 75.605326][ T5033] el0t_64_sync_handler+0xcc/0xe4 [ 75.606135][ T5033] el0t_64_sync+0x1a0/0x1a4 [ 75.607722][ T5033] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 75.609492][ T5033] CPU: 1 PID: 5033 Comm: syz.0.25 Not tainted syzkaller #0 [ 75.610538][ T5033] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.612043][ T5033] Call trace: [ 75.612548][ T5033] dump_backtrace+0x0/0x458 [ 75.613225][ T5033] show_stack+0x2c/0x3c [ 75.613818][ T5033] __dump_stack+0x30/0x40 [ 75.614447][ T5033] dump_stack_lvl+0xf4/0x15c [ 75.615153][ T5033] dump_stack+0x1c/0x5c [ 75.615764][ T5033] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 75.616559][ T5033] dccp_xmit_packet+0x298/0x448 [ 75.617261][ T5033] dccp_write_xmit+0x118/0x1d0 [ 75.617967][ T5033] dccp_sendmsg+0x550/0x8b8 [ 75.618631][ T5033] inet_sendmsg+0x154/0x284 [ 75.619309][ T5033] __sys_sendto+0x30c/0x420 [ 75.619961][ T5033] __arm64_sys_sendto+0xd8/0xf8 [ 75.620660][ T5033] invoke_syscall+0x98/0x2b0 [ 75.621337][ T5033] el0_svc_common+0x138/0x258 [ 75.622054][ T5033] do_el0_svc+0x58/0x13c [ 75.622667][ T5033] el0_svc+0x78/0x1d0 [ 75.623244][ T5033] el0t_64_sync_handler+0xcc/0xe4 [ 75.623968][ T5033] el0t_64_sync+0x1a0/0x1a4 [ 75.624929][ T5033] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 75.625995][ T136] device bridge_slave_0 left promiscuous mode [ 75.626569][ T5033] CPU: 1 PID: 5033 Comm: syz.0.25 Not tainted syzkaller #0 [ 75.627562][ T136] bridge0: port 1(bridge_slave_0) entered disabled state [ 75.628511][ T5033] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.631023][ T5033] Call trace: [ 75.631504][ T5033] dump_backtrace+0x0/0x458 [ 75.632117][ T5033] show_stack+0x2c/0x3c [ 75.632740][ T5033] __dump_stack+0x30/0x40 [ 75.633424][ T5033] dump_stack_lvl+0xf4/0x15c [ 75.634102][ T5033] dump_stack+0x1c/0x5c [ 75.634712][ T5033] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 75.635554][ T5033] dccp_xmit_packet+0x298/0x448 [ 75.636290][ T5033] dccp_write_xmit+0x118/0x1d0 [ 75.636972][ T5033] dccp_sendmsg+0x550/0x8b8 [ 75.637622][ T5033] inet_sendmsg+0x154/0x284 [ 75.638263][ T5033] __sys_sendto+0x30c/0x420 [ 75.638899][ T5033] __arm64_sys_sendto+0xd8/0xf8 [ 75.639615][ T5033] invoke_syscall+0x98/0x2b0 [ 75.640295][ T5033] el0_svc_common+0x138/0x258 [ 75.641054][ T5033] do_el0_svc+0x58/0x13c [ 75.641672][ T5033] el0_svc+0x78/0x1d0 [ 75.642279][ T5033] el0t_64_sync_handler+0xcc/0xe4 [ 75.643017][ T5033] el0t_64_sync+0x1a0/0x1a4 [ 75.643972][ T5033] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 75.645800][ T5033] CPU: 1 PID: 5033 Comm: syz.0.25 Not tainted syzkaller #0 [ 75.646873][ T5033] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.648460][ T5033] Call trace: [ 75.648974][ T5033] dump_backtrace+0x0/0x458 [ 75.649687][ T5033] show_stack+0x2c/0x3c [ 75.650323][ T5033] __dump_stack+0x30/0x40 [ 75.650964][ T5033] dump_stack_lvl+0xf4/0x15c [ 75.651659][ T5033] dump_stack+0x1c/0x5c [ 75.652281][ T5033] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 75.653081][ T5033] dccp_xmit_packet+0x298/0x448 [ 75.653767][ T5033] dccp_write_xmit+0x118/0x1d0 [ 75.654438][ T5033] dccp_sendmsg+0x550/0x8b8 [ 75.655084][ T5033] inet_sendmsg+0x154/0x284 [ 75.655788][ T5033] __sys_sendto+0x30c/0x420 [ 75.656482][ T5033] __arm64_sys_sendto+0xd8/0xf8 [ 75.657190][ T5033] invoke_syscall+0x98/0x2b0 [ 75.657869][ T5033] el0_svc_common+0x138/0x258 [ 75.658542][ T5033] do_el0_svc+0x58/0x13c [ 75.659146][ T5033] el0_svc+0x78/0x1d0 [ 75.659708][ T5033] el0t_64_sync_handler+0xcc/0xe4 [ 75.660415][ T5033] el0t_64_sync+0x1a0/0x1a4 [ 75.661208][ T5033] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 75.662782][ T5033] CPU: 1 PID: 5033 Comm: syz.0.25 Not tainted syzkaller #0 [ 75.663785][ T5033] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.665262][ T5033] Call trace: [ 75.665779][ T5033] dump_backtrace+0x0/0x458 [ 75.666413][ T5033] show_stack+0x2c/0x3c [ 75.667029][ T5033] __dump_stack+0x30/0x40 [ 75.667632][ T5033] dump_stack_lvl+0xf4/0x15c [ 75.668336][ T5033] dump_stack+0x1c/0x5c [ 75.668955][ T5033] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 75.669792][ T5033] dccp_xmit_packet+0x298/0x448 [ 75.670543][ T5033] dccp_write_xmit+0x118/0x1d0 [ 75.671302][ T5033] dccp_sendmsg+0x550/0x8b8 [ 75.671994][ T5033] inet_sendmsg+0x154/0x284 [ 75.672646][ T5033] __sys_sendto+0x30c/0x420 [ 75.673290][ T5033] __arm64_sys_sendto+0xd8/0xf8 [ 75.673969][ T5033] invoke_syscall+0x98/0x2b0 [ 75.674694][ T5033] el0_svc_common+0x138/0x258 [ 75.675355][ T5033] do_el0_svc+0x58/0x13c [ 75.675964][ T5033] el0_svc+0x78/0x1d0 [ 75.676556][ T5033] el0t_64_sync_handler+0xcc/0xe4 [ 75.677312][ T5033] el0t_64_sync+0x1a0/0x1a4 [ 75.678235][ T5033] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 75.679893][ T5033] CPU: 1 PID: 5033 Comm: syz.0.25 Not tainted syzkaller #0 [ 75.681025][ T5033] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.682490][ T5033] Call trace: [ 75.682960][ T5033] dump_backtrace+0x0/0x458 [ 75.683623][ T5033] show_stack+0x2c/0x3c [ 75.684293][ T5033] __dump_stack+0x30/0x40 [ 75.685033][ T5033] dump_stack_lvl+0xf4/0x15c [ 75.685831][ T5033] dump_stack+0x1c/0x5c [ 75.686572][ T5033] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 75.687412][ T5033] dccp_xmit_packet+0x298/0x448 [ 75.688126][ T5033] dccp_write_xmit+0x118/0x1d0 [ 75.688921][ T5033] dccp_sendmsg+0x550/0x8b8 [ 75.689609][ T5033] inet_sendmsg+0x154/0x284 [ 75.690294][ T5033] __sys_sendto+0x30c/0x420 [ 75.691036][ T5033] __arm64_sys_sendto+0xd8/0xf8 [ 75.691805][ T5033] invoke_syscall+0x98/0x2b0 [ 75.692483][ T5033] el0_svc_common+0x138/0x258 [ 75.693218][ T5033] do_el0_svc+0x58/0x13c [ 75.693884][ T5033] el0_svc+0x78/0x1d0 [ 75.694506][ T5033] el0t_64_sync_handler+0xcc/0xe4 [ 75.695247][ T5033] el0t_64_sync+0x1a0/0x1a4 [ 75.696217][ T5033] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 75.698176][ T5033] CPU: 1 PID: 5033 Comm: syz.0.25 Not tainted syzkaller #0 [ 75.699290][ T5033] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.700808][ T5033] Call trace: [ 75.701361][ T5033] dump_backtrace+0x0/0x458 [ 75.702130][ T5033] show_stack+0x2c/0x3c [ 75.702757][ T5033] __dump_stack+0x30/0x40 [ 75.703478][ T5033] dump_stack_lvl+0xf4/0x15c [ 75.704256][ T5033] dump_stack+0x1c/0x5c [ 75.704935][ T5033] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 75.705785][ T5033] dccp_xmit_packet+0x298/0x448 [ 75.706535][ T5033] dccp_write_xmit+0x118/0x1d0 [ 75.707295][ T5033] dccp_sendmsg+0x550/0x8b8 [ 75.708015][ T5033] inet_sendmsg+0x154/0x284 [ 75.708669][ T5033] __sys_sendto+0x30c/0x420 [ 75.709373][ T5033] __arm64_sys_sendto+0xd8/0xf8 [ 75.710075][ T5033] invoke_syscall+0x98/0x2b0 [ 75.710856][ T5033] el0_svc_common+0x138/0x258 [ 75.711575][ T5033] do_el0_svc+0x58/0x13c [ 75.712211][ T5033] el0_svc+0x78/0x1d0 [ 75.712772][ T5033] el0t_64_sync_handler+0xcc/0xe4 [ 75.713558][ T5033] el0t_64_sync+0x1a0/0x1a4 [ 75.714442][ T5033] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 75.716125][ T5033] CPU: 1 PID: 5033 Comm: syz.0.25 Not tainted syzkaller #0 [ 75.717234][ T5033] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.718753][ T5033] Call trace: [ 75.719260][ T5033] dump_backtrace+0x0/0x458 [ 75.719944][ T5033] show_stack+0x2c/0x3c [ 75.720577][ T5033] __dump_stack+0x30/0x40 [ 75.721238][ T5033] dump_stack_lvl+0xf4/0x15c [ 75.721945][ T5033] dump_stack+0x1c/0x5c [ 75.722627][ T5033] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 75.723400][ T5033] dccp_xmit_packet+0x298/0x448 [ 75.724144][ T5033] dccp_write_xmit+0x118/0x1d0 [ 75.724874][ T5033] dccp_sendmsg+0x550/0x8b8 [ 75.725521][ T5033] inet_sendmsg+0x154/0x284 [ 75.726152][ T5033] __sys_sendto+0x30c/0x420 [ 75.726850][ T5033] __arm64_sys_sendto+0xd8/0xf8 [ 75.727573][ T5033] invoke_syscall+0x98/0x2b0 [ 75.728310][ T5033] el0_svc_common+0x138/0x258 [ 75.728986][ T5033] do_el0_svc+0x58/0x13c [ 75.729590][ T5033] el0_svc+0x78/0x1d0 [ 75.730179][ T5033] el0t_64_sync_handler+0xcc/0xe4 [ 75.731033][ T5033] el0t_64_sync+0x1a0/0x1a4 [ 75.731919][ T5033] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 75.733533][ T5033] CPU: 1 PID: 5033 Comm: syz.0.25 Not tainted syzkaller #0 [ 75.734611][ T5033] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.736088][ T5033] Call trace: [ 75.736612][ T5033] dump_backtrace+0x0/0x458 [ 75.737266][ T5033] show_stack+0x2c/0x3c [ 75.737866][ T5033] __dump_stack+0x30/0x40 [ 75.738506][ T5033] dump_stack_lvl+0xf4/0x15c [ 75.739174][ T5033] dump_stack+0x1c/0x5c [ 75.739795][ T5033] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 75.740621][ T5033] dccp_xmit_packet+0x298/0x448 [ 75.741340][ T5033] dccp_write_xmit+0x118/0x1d0 [ 75.742076][ T5033] dccp_sendmsg+0x550/0x8b8 [ 75.742754][ T5033] inet_sendmsg+0x154/0x284 [ 75.743390][ T5033] __sys_sendto+0x30c/0x420 [ 75.744063][ T5033] __arm64_sys_sendto+0xd8/0xf8 [ 75.744800][ T5033] invoke_syscall+0x98/0x2b0 [ 75.745475][ T5033] el0_svc_common+0x138/0x258 [ 75.746150][ T5033] do_el0_svc+0x58/0x13c [ 75.746755][ T5033] el0_svc+0x78/0x1d0 [ 75.747324][ T5033] el0t_64_sync_handler+0xcc/0xe4 [ 75.748124][ T5033] el0t_64_sync+0x1a0/0x1a4 [ 75.748932][ T5033] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 75.750564][ T5033] CPU: 1 PID: 5033 Comm: syz.0.25 Not tainted syzkaller #0 [ 75.751580][ T5033] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.753121][ T5033] Call trace: [ 75.753575][ T5033] dump_backtrace+0x0/0x458 [ 75.754250][ T5033] show_stack+0x2c/0x3c [ 75.754900][ T5033] __dump_stack+0x30/0x40 [ 75.755572][ T5033] dump_stack_lvl+0xf4/0x15c [ 75.756275][ T5033] dump_stack+0x1c/0x5c [ 75.756959][ T5033] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 75.757811][ T5033] dccp_xmit_packet+0x298/0x448 [ 75.758515][ T5033] dccp_write_xmit+0x118/0x1d0 [ 75.759207][ T5033] dccp_sendmsg+0x550/0x8b8 [ 75.759847][ T5033] inet_sendmsg+0x154/0x284 [ 75.760492][ T5033] __sys_sendto+0x30c/0x420 [ 75.761201][ T5033] __arm64_sys_sendto+0xd8/0xf8 [ 75.761930][ T5033] invoke_syscall+0x98/0x2b0 [ 75.762607][ T5033] el0_svc_common+0x138/0x258 [ 75.763330][ T5033] do_el0_svc+0x58/0x13c [ 75.763971][ T5033] el0_svc+0x78/0x1d0 [ 75.764530][ T5033] el0t_64_sync_handler+0xcc/0xe4 [ 75.765248][ T5033] el0t_64_sync+0x1a0/0x1a4 [ 75.781577][ T5035] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 75.783524][ T5035] CPU: 1 PID: 5035 Comm: syz.0.26 Not tainted syzkaller #0 [ 75.784695][ T5035] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.786268][ T5035] Call trace: [ 75.786775][ T5035] dump_backtrace+0x0/0x458 [ 75.787485][ T5035] show_stack+0x2c/0x3c [ 75.788309][ T5035] __dump_stack+0x30/0x40 [ 75.789039][ T5035] dump_stack_lvl+0xf4/0x15c [ 75.789721][ T5035] dump_stack+0x1c/0x5c [ 75.790460][ T5035] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 75.791279][ T5035] dccp_xmit_packet+0x298/0x448 [ 75.791992][ T5035] dccp_write_xmit+0x118/0x1d0 [ 75.792707][ T5035] dccp_sendmsg+0x550/0x8b8 [ 75.793345][ T5035] inet_sendmsg+0x154/0x284 [ 75.794059][ T5035] __sys_sendto+0x30c/0x420 [ 75.794773][ T5035] __arm64_sys_sendto+0xd8/0xf8 [ 75.795504][ T5035] invoke_syscall+0x98/0x2b0 [ 75.796163][ T5035] el0_svc_common+0x138/0x258 [ 75.796944][ T5035] do_el0_svc+0x58/0x13c [ 75.797580][ T5035] el0_svc+0x78/0x1d0 [ 75.798223][ T5035] el0t_64_sync_handler+0xcc/0xe4 [ 75.798997][ T5035] el0t_64_sync+0x1a0/0x1a4 [ 75.800712][ T5035] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 75.802543][ T5035] CPU: 1 PID: 5035 Comm: syz.0.26 Not tainted syzkaller #0 [ 75.803551][ T5035] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.805162][ T5035] Call trace: [ 75.805686][ T5035] dump_backtrace+0x0/0x458 [ 75.806463][ T5035] show_stack+0x2c/0x3c [ 75.807101][ T5035] __dump_stack+0x30/0x40 [ 75.807765][ T5035] dump_stack_lvl+0xf4/0x15c [ 75.808464][ T5035] dump_stack+0x1c/0x5c [ 75.809058][ T5035] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 75.809933][ T5035] dccp_xmit_packet+0x298/0x448 [ 75.810680][ T5035] dccp_write_xmit+0x118/0x1d0 [ 75.811398][ T5035] dccp_sendmsg+0x550/0x8b8 [ 75.812055][ T5035] inet_sendmsg+0x154/0x284 [ 75.812744][ T5035] __sys_sendto+0x30c/0x420 [ 75.813430][ T5035] __arm64_sys_sendto+0xd8/0xf8 [ 75.814157][ T5035] invoke_syscall+0x98/0x2b0 [ 75.814859][ T5035] el0_svc_common+0x138/0x258 [ 75.815598][ T5035] do_el0_svc+0x58/0x13c [ 75.816205][ T5035] el0_svc+0x78/0x1d0 [ 75.816771][ T5035] el0t_64_sync_handler+0xcc/0xe4 [ 75.817561][ T5035] el0t_64_sync+0x1a0/0x1a4 [ 75.819045][ T5035] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 75.820870][ T5035] CPU: 1 PID: 5035 Comm: syz.0.26 Not tainted syzkaller #0 [ 75.821923][ T5035] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.823325][ T5035] Call trace: [ 75.823853][ T5035] dump_backtrace+0x0/0x458 [ 75.824584][ T5035] show_stack+0x2c/0x3c [ 75.825234][ T5035] __dump_stack+0x30/0x40 [ 75.825665][ T136] device veth1_macvtap left promiscuous mode [ 75.825898][ T5035] dump_stack_lvl+0xf4/0x15c [ 75.826898][ T136] device veth0_macvtap left promiscuous mode [ 75.827597][ T5035] dump_stack+0x1c/0x5c [ 75.828584][ T136] device veth1_vlan left promiscuous mode [ 75.829134][ T5035] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 75.830073][ T136] device veth0_vlan left promiscuous mode [ 75.830823][ T5035] dccp_xmit_packet+0x298/0x448 [ 75.832408][ T5035] dccp_write_xmit+0x118/0x1d0 [ 75.833143][ T5035] dccp_sendmsg+0x550/0x8b8 [ 75.833808][ T5035] inet_sendmsg+0x154/0x284 [ 75.834477][ T5035] __sys_sendto+0x30c/0x420 [ 75.835138][ T5035] __arm64_sys_sendto+0xd8/0xf8 [ 75.835833][ T5035] invoke_syscall+0x98/0x2b0 [ 75.836526][ T5035] el0_svc_common+0x138/0x258 [ 75.837216][ T5035] do_el0_svc+0x58/0x13c [ 75.837887][ T5035] el0_svc+0x78/0x1d0 [ 75.838481][ T5035] el0t_64_sync_handler+0xcc/0xe4 [ 75.839210][ T5035] el0t_64_sync+0x1a0/0x1a4 [ 75.840355][ T5035] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 75.842241][ T5035] CPU: 1 PID: 5035 Comm: syz.0.26 Not tainted syzkaller #0 [ 75.843315][ T5035] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.844939][ T5035] Call trace: [ 75.845468][ T5035] dump_backtrace+0x0/0x458 [ 75.846216][ T5035] show_stack+0x2c/0x3c [ 75.846857][ T5035] __dump_stack+0x30/0x40 [ 75.847539][ T5035] dump_stack_lvl+0xf4/0x15c [ 75.848249][ T5035] dump_stack+0x1c/0x5c [ 75.848887][ T5035] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 75.849720][ T5035] dccp_xmit_packet+0x298/0x448 [ 75.850452][ T5035] dccp_write_xmit+0x118/0x1d0 [ 75.851219][ T5035] dccp_sendmsg+0x550/0x8b8 [ 75.851896][ T5035] inet_sendmsg+0x154/0x284 [ 75.852598][ T5035] __sys_sendto+0x30c/0x420 [ 75.853309][ T5035] __arm64_sys_sendto+0xd8/0xf8 [ 75.854099][ T5035] invoke_syscall+0x98/0x2b0 [ 75.854789][ T5035] el0_svc_common+0x138/0x258 [ 75.855507][ T5035] do_el0_svc+0x58/0x13c [ 75.856165][ T5035] el0_svc+0x78/0x1d0 [ 75.856736][ T5035] el0t_64_sync_handler+0xcc/0xe4 [ 75.857457][ T5035] el0t_64_sync+0x1a0/0x1a4 [ 75.858313][ T5035] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 75.859950][ T5035] CPU: 1 PID: 5035 Comm: syz.0.26 Not tainted syzkaller #0 [ 75.861001][ T5035] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.862445][ T5035] Call trace: [ 75.862911][ T5035] dump_backtrace+0x0/0x458 [ 75.863543][ T5035] show_stack+0x2c/0x3c [ 75.864102][ T5035] __dump_stack+0x30/0x40 [ 75.864718][ T5035] dump_stack_lvl+0xf4/0x15c [ 75.865452][ T5035] dump_stack+0x1c/0x5c [ 75.866114][ T5035] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 75.866911][ T5035] dccp_xmit_packet+0x298/0x448 [ 75.867665][ T5035] dccp_write_xmit+0x118/0x1d0 [ 75.868426][ T5035] dccp_sendmsg+0x550/0x8b8 [ 75.869111][ T5035] inet_sendmsg+0x154/0x284 [ 75.869878][ T5035] __sys_sendto+0x30c/0x420 [ 75.870595][ T5035] __arm64_sys_sendto+0xd8/0xf8 [ 75.871312][ T5035] invoke_syscall+0x98/0x2b0 [ 75.871993][ T5035] el0_svc_common+0x138/0x258 [ 75.872676][ T5035] do_el0_svc+0x58/0x13c [ 75.873294][ T5035] el0_svc+0x78/0x1d0 [ 75.873971][ T5035] el0t_64_sync_handler+0xcc/0xe4 [ 75.874699][ T5035] el0t_64_sync+0x1a0/0x1a4 [ 75.875842][ T5035] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 75.877520][ T5035] CPU: 1 PID: 5035 Comm: syz.0.26 Not tainted syzkaller #0 [ 75.878657][ T5035] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.880093][ T5035] Call trace: [ 75.880643][ T5035] dump_backtrace+0x0/0x458 [ 75.881287][ T5035] show_stack+0x2c/0x3c [ 75.881878][ T5035] __dump_stack+0x30/0x40 [ 75.882506][ T5035] dump_stack_lvl+0xf4/0x15c [ 75.883211][ T5035] dump_stack+0x1c/0x5c [ 75.883831][ T5035] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 75.884627][ T5035] dccp_xmit_packet+0x298/0x448 [ 75.885386][ T5035] dccp_write_xmit+0x118/0x1d0 [ 75.886103][ T5035] dccp_sendmsg+0x550/0x8b8 [ 75.886880][ T5035] inet_sendmsg+0x154/0x284 [ 75.887554][ T5035] __sys_sendto+0x30c/0x420 [ 75.888277][ T5035] __arm64_sys_sendto+0xd8/0xf8 [ 75.889008][ T5035] invoke_syscall+0x98/0x2b0 [ 75.889706][ T5035] el0_svc_common+0x138/0x258 [ 75.890380][ T5035] do_el0_svc+0x58/0x13c [ 75.891009][ T5035] el0_svc+0x78/0x1d0 [ 75.891641][ T5035] el0t_64_sync_handler+0xcc/0xe4 [ 75.892450][ T5035] el0t_64_sync+0x1a0/0x1a4 [ 75.893346][ T5035] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 75.895159][ T5035] CPU: 1 PID: 5035 Comm: syz.0.26 Not tainted syzkaller #0 [ 75.896231][ T5035] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.897702][ T5035] Call trace: [ 75.898153][ T5035] dump_backtrace+0x0/0x458 [ 75.898758][ T5035] show_stack+0x2c/0x3c [ 75.899351][ T5035] __dump_stack+0x30/0x40 [ 75.900018][ T5035] dump_stack_lvl+0xf4/0x15c [ 75.900772][ T5035] dump_stack+0x1c/0x5c [ 75.901377][ T5035] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 75.902169][ T5035] dccp_xmit_packet+0x298/0x448 [ 75.902866][ T5035] dccp_write_xmit+0x118/0x1d0 [ 75.903625][ T5035] dccp_sendmsg+0x550/0x8b8 [ 75.904347][ T5035] inet_sendmsg+0x154/0x284 [ 75.905027][ T5035] __sys_sendto+0x30c/0x420 [ 75.905690][ T5035] __arm64_sys_sendto+0xd8/0xf8 [ 75.906448][ T5035] invoke_syscall+0x98/0x2b0 [ 75.907146][ T5035] el0_svc_common+0x138/0x258 [ 75.907838][ T5035] do_el0_svc+0x58/0x13c [ 75.908451][ T5035] el0_svc+0x78/0x1d0 [ 75.909044][ T5035] el0t_64_sync_handler+0xcc/0xe4 [ 75.909805][ T5035] el0t_64_sync+0x1a0/0x1a4 [ 75.910849][ T5035] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 75.912542][ T5035] CPU: 1 PID: 5035 Comm: syz.0.26 Not tainted syzkaller #0 [ 75.913668][ T5035] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.915268][ T5035] Call trace: [ 75.915759][ T5035] dump_backtrace+0x0/0x458 [ 75.916446][ T5035] show_stack+0x2c/0x3c [ 75.917098][ T5035] __dump_stack+0x30/0x40 [ 75.917821][ T5035] dump_stack_lvl+0xf4/0x15c [ 75.918530][ T5035] dump_stack+0x1c/0x5c [ 75.919147][ T5035] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 75.920038][ T5035] dccp_xmit_packet+0x298/0x448 [ 75.920815][ T5035] dccp_write_xmit+0x118/0x1d0 [ 75.921547][ T5035] dccp_sendmsg+0x550/0x8b8 [ 75.922286][ T5035] inet_sendmsg+0x154/0x284 [ 75.922979][ T5035] __sys_sendto+0x30c/0x420 [ 75.923685][ T5035] __arm64_sys_sendto+0xd8/0xf8 [ 75.924447][ T5035] invoke_syscall+0x98/0x2b0 [ 75.925157][ T5035] el0_svc_common+0x138/0x258 [ 75.925911][ T5035] do_el0_svc+0x58/0x13c [ 75.926647][ T5035] el0_svc+0x78/0x1d0 [ 75.927258][ T5035] el0t_64_sync_handler+0xcc/0xe4 [ 75.928057][ T5035] el0t_64_sync+0x1a0/0x1a4 [ 75.929073][ T5035] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 75.930804][ T5035] CPU: 1 PID: 5035 Comm: syz.0.26 Not tainted syzkaller #0 [ 75.931959][ T5035] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.933454][ T5035] Call trace: [ 75.933941][ T5035] dump_backtrace+0x0/0x458 [ 75.934625][ T5035] show_stack+0x2c/0x3c [ 75.935289][ T5035] __dump_stack+0x30/0x40 [ 75.935998][ T5035] dump_stack_lvl+0xf4/0x15c [ 75.936687][ T5035] dump_stack+0x1c/0x5c [ 75.937281][ T5035] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 75.938103][ T5035] dccp_xmit_packet+0x298/0x448 [ 75.938861][ T5035] dccp_write_xmit+0x118/0x1d0 [ 75.939579][ T5035] dccp_sendmsg+0x550/0x8b8 [ 75.940315][ T5035] inet_sendmsg+0x154/0x284 [ 75.941056][ T5035] __sys_sendto+0x30c/0x420 [ 75.941833][ T5035] __arm64_sys_sendto+0xd8/0xf8 [ 75.942599][ T5035] invoke_syscall+0x98/0x2b0 [ 75.943389][ T5035] el0_svc_common+0x138/0x258 [ 75.944214][ T5035] do_el0_svc+0x58/0x13c [ 75.944865][ T5035] el0_svc+0x78/0x1d0 [ 75.945524][ T5035] el0t_64_sync_handler+0xcc/0xe4 [ 75.946283][ T5035] el0t_64_sync+0x1a0/0x1a4 [ 75.947204][ T5035] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 75.948847][ T5035] CPU: 1 PID: 5035 Comm: syz.0.26 Not tainted syzkaller #0 [ 75.949928][ T5035] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.951457][ T5035] Call trace: [ 75.951947][ T5035] dump_backtrace+0x0/0x458 [ 75.952674][ T5035] show_stack+0x2c/0x3c [ 75.953320][ T5035] __dump_stack+0x30/0x40 [ 75.953970][ T5035] dump_stack_lvl+0xf4/0x15c [ 75.954698][ T5035] dump_stack+0x1c/0x5c [ 75.955315][ T5035] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 75.956111][ T5035] dccp_xmit_packet+0x298/0x448 [ 75.956881][ T5035] dccp_write_xmit+0x118/0x1d0 [ 75.957601][ T5035] dccp_sendmsg+0x550/0x8b8 [ 75.958334][ T5035] inet_sendmsg+0x154/0x284 [ 75.959025][ T5035] __sys_sendto+0x30c/0x420 [ 75.959708][ T5035] __arm64_sys_sendto+0xd8/0xf8 [ 75.960470][ T5035] invoke_syscall+0x98/0x2b0 [ 75.961104][ T5035] el0_svc_common+0x138/0x258 [ 75.961860][ T5035] do_el0_svc+0x58/0x13c [ 75.962594][ T5035] el0_svc+0x78/0x1d0 [ 75.963181][ T5035] el0t_64_sync_handler+0xcc/0xe4 [ 75.963924][ T5035] el0t_64_sync+0x1a0/0x1a4 [ 75.964766][ T5035] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 75.966392][ T5035] CPU: 1 PID: 5035 Comm: syz.0.26 Not tainted syzkaller #0 [ 75.967368][ T5035] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.968887][ T5035] Call trace: [ 75.969376][ T5035] dump_backtrace+0x0/0x458 [ 75.969994][ T5035] show_stack+0x2c/0x3c [ 75.970574][ T5035] __dump_stack+0x30/0x40 [ 75.971182][ T5035] dump_stack_lvl+0xf4/0x15c [ 75.971838][ T5035] dump_stack+0x1c/0x5c [ 75.972408][ T5035] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 75.973170][ T5035] dccp_xmit_packet+0x298/0x448 [ 75.973849][ T5035] dccp_write_xmit+0x118/0x1d0 [ 75.974524][ T5035] dccp_sendmsg+0x550/0x8b8 [ 75.975201][ T5035] inet_sendmsg+0x154/0x284 [ 75.975861][ T5035] __sys_sendto+0x30c/0x420 [ 75.976538][ T5035] __arm64_sys_sendto+0xd8/0xf8 [ 75.977236][ T5035] invoke_syscall+0x98/0x2b0 [ 75.977904][ T5035] el0_svc_common+0x138/0x258 [ 75.978592][ T5035] do_el0_svc+0x58/0x13c [ 75.979244][ T5035] el0_svc+0x78/0x1d0 [ 75.979840][ T5035] el0t_64_sync_handler+0xcc/0xe4 [ 75.980614][ T5035] el0t_64_sync+0x1a0/0x1a4 [ 75.981470][ T5035] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 75.983079][ T5035] CPU: 1 PID: 5035 Comm: syz.0.26 Not tainted syzkaller #0 [ 75.984136][ T5035] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.985673][ T5035] Call trace: [ 75.986135][ T5035] dump_backtrace+0x0/0x458 [ 75.986789][ T5035] show_stack+0x2c/0x3c [ 75.987422][ T5035] __dump_stack+0x30/0x40 [ 75.988022][ T5035] dump_stack_lvl+0xf4/0x15c [ 75.988666][ T5035] dump_stack+0x1c/0x5c [ 75.989295][ T5035] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 75.990106][ T5035] dccp_xmit_packet+0x298/0x448 [ 75.990856][ T5035] dccp_write_xmit+0x118/0x1d0 [ 75.991589][ T5035] dccp_sendmsg+0x550/0x8b8 [ 75.992274][ T5035] inet_sendmsg+0x154/0x284 [ 75.992988][ T5035] __sys_sendto+0x30c/0x420 [ 75.993655][ T5035] __arm64_sys_sendto+0xd8/0xf8 [ 75.994356][ T5035] invoke_syscall+0x98/0x2b0 [ 75.995030][ T5035] el0_svc_common+0x138/0x258 [ 75.995699][ T5035] do_el0_svc+0x58/0x13c [ 75.996323][ T5035] el0_svc+0x78/0x1d0 [ 75.996967][ T5035] el0t_64_sync_handler+0xcc/0xe4 [ 75.997740][ T5035] el0t_64_sync+0x1a0/0x1a4 [ 75.998557][ T5035] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 76.000074][ T5035] CPU: 1 PID: 5035 Comm: syz.0.26 Not tainted syzkaller #0 [ 76.001078][ T5035] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.002442][ T5035] Call trace: [ 76.002886][ T5035] dump_backtrace+0x0/0x458 [ 76.003484][ T5035] show_stack+0x2c/0x3c [ 76.004050][ T5035] __dump_stack+0x30/0x40 [ 76.004688][ T5035] dump_stack_lvl+0xf4/0x15c [ 76.005356][ T5035] dump_stack+0x1c/0x5c [ 76.006072][ T5035] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 76.006839][ T5035] dccp_xmit_packet+0x298/0x448 [ 76.007525][ T5035] dccp_write_xmit+0x118/0x1d0 [ 76.008239][ T5035] dccp_sendmsg+0x550/0x8b8 [ 76.008931][ T5035] inet_sendmsg+0x154/0x284 [ 76.009648][ T5035] __sys_sendto+0x30c/0x420 [ 76.010319][ T5035] __arm64_sys_sendto+0xd8/0xf8 [ 76.011053][ T5035] invoke_syscall+0x98/0x2b0 [ 76.011757][ T5035] el0_svc_common+0x138/0x258 [ 76.012402][ T5035] do_el0_svc+0x58/0x13c [ 76.013006][ T5035] el0_svc+0x78/0x1d0 [ 76.013624][ T5035] el0t_64_sync_handler+0xcc/0xe4 [ 76.014347][ T5035] el0t_64_sync+0x1a0/0x1a4 [ 76.015312][ T5035] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 76.017060][ T5035] CPU: 1 PID: 5035 Comm: syz.0.26 Not tainted syzkaller #0 [ 76.018217][ T5035] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.019843][ T5035] Call trace: [ 76.020388][ T5035] dump_backtrace+0x0/0x458 [ 76.021174][ T5035] show_stack+0x2c/0x3c [ 76.021801][ T5035] __dump_stack+0x30/0x40 [ 76.022448][ T5035] dump_stack_lvl+0xf4/0x15c [ 76.023133][ T5035] dump_stack+0x1c/0x5c [ 76.023699][ T5035] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 76.024462][ T5035] dccp_xmit_packet+0x298/0x448 [ 76.025203][ T5035] dccp_write_xmit+0x118/0x1d0 [ 76.026004][ T5035] dccp_sendmsg+0x550/0x8b8 [ 76.026739][ T5035] inet_sendmsg+0x154/0x284 [ 76.027397][ T5035] __sys_sendto+0x30c/0x420 [ 76.028063][ T5035] __arm64_sys_sendto+0xd8/0xf8 [ 76.028753][ T5035] invoke_syscall+0x98/0x2b0 [ 76.029477][ T5035] el0_svc_common+0x138/0x258 [ 76.030108][ T5035] do_el0_svc+0x58/0x13c [ 76.030760][ T5035] el0_svc+0x78/0x1d0 [ 76.031351][ T5035] el0t_64_sync_handler+0xcc/0xe4 [ 76.032110][ T5035] el0t_64_sync+0x1a0/0x1a4 [ 76.033027][ T5035] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 76.034753][ T5035] CPU: 1 PID: 5035 Comm: syz.0.26 Not tainted syzkaller #0 [ 76.035822][ T5035] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.037298][ T5035] Call trace: [ 76.037767][ T5035] dump_backtrace+0x0/0x458 [ 76.038478][ T5035] show_stack+0x2c/0x3c [ 76.039099][ T5035] __dump_stack+0x30/0x40 [ 76.039776][ T5035] dump_stack_lvl+0xf4/0x15c [ 76.040439][ T5035] dump_stack+0x1c/0x5c [ 76.041065][ T5035] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 76.041906][ T5035] dccp_xmit_packet+0x298/0x448 [ 76.042655][ T5035] dccp_write_xmit+0x118/0x1d0 [ 76.043378][ T5035] dccp_sendmsg+0x550/0x8b8 [ 76.044068][ T5035] inet_sendmsg+0x154/0x284 [ 76.044725][ T5035] __sys_sendto+0x30c/0x420 [ 76.045395][ T5035] __arm64_sys_sendto+0xd8/0xf8 [ 76.046103][ T5035] invoke_syscall+0x98/0x2b0 [ 76.046792][ T5035] el0_svc_common+0x138/0x258 [ 76.047502][ T5035] do_el0_svc+0x58/0x13c [ 76.048166][ T5035] el0_svc+0x78/0x1d0 [ 76.048757][ T5035] el0t_64_sync_handler+0xcc/0xe4 [ 76.049514][ T5035] el0t_64_sync+0x1a0/0x1a4 [ 76.050333][ T5035] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 76.051894][ T5035] CPU: 1 PID: 5035 Comm: syz.0.26 Not tainted syzkaller #0 [ 76.052981][ T5035] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.054514][ T5035] Call trace: [ 76.055023][ T5035] dump_backtrace+0x0/0x458 [ 76.055654][ T5035] show_stack+0x2c/0x3c [ 76.056270][ T5035] __dump_stack+0x30/0x40 [ 76.056931][ T5035] dump_stack_lvl+0xf4/0x15c [ 76.057591][ T5035] dump_stack+0x1c/0x5c [ 76.058185][ T5035] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 76.058949][ T5035] dccp_xmit_packet+0x298/0x448 [ 76.059705][ T5035] dccp_write_xmit+0x118/0x1d0 [ 76.060430][ T5035] dccp_sendmsg+0x550/0x8b8 [ 76.061070][ T5035] inet_sendmsg+0x154/0x284 [ 76.061799][ T5035] __sys_sendto+0x30c/0x420 [ 76.062532][ T5035] __arm64_sys_sendto+0xd8/0xf8 [ 76.063235][ T5035] invoke_syscall+0x98/0x2b0 [ 76.063941][ T5035] el0_svc_common+0x138/0x258 [ 76.064660][ T5035] do_el0_svc+0x58/0x13c [ 76.065276][ T5035] el0_svc+0x78/0x1d0 [ 76.065863][ T5035] el0t_64_sync_handler+0xcc/0xe4 [ 76.066606][ T5035] el0t_64_sync+0x1a0/0x1a4 [ 76.067467][ T5035] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 76.069118][ T5035] CPU: 1 PID: 5035 Comm: syz.0.26 Not tainted syzkaller #0 [ 76.070162][ T5035] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.071617][ T5035] Call trace: [ 76.072052][ T5035] dump_backtrace+0x0/0x458 [ 76.072678][ T5035] show_stack+0x2c/0x3c [ 76.073308][ T5035] __dump_stack+0x30/0x40 [ 76.073937][ T5035] dump_stack_lvl+0xf4/0x15c [ 76.074560][ T5035] dump_stack+0x1c/0x5c [ 76.075128][ T5035] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 76.075965][ T5035] dccp_xmit_packet+0x298/0x448 [ 76.076655][ T5035] dccp_write_xmit+0x118/0x1d0 [ 76.077372][ T5035] dccp_sendmsg+0x550/0x8b8 [ 76.077963][ T5035] inet_sendmsg+0x154/0x284 [ 76.078654][ T5035] __sys_sendto+0x30c/0x420 [ 76.079287][ T5035] __arm64_sys_sendto+0xd8/0xf8 [ 76.079959][ T5035] invoke_syscall+0x98/0x2b0 [ 76.080627][ T5035] el0_svc_common+0x138/0x258 [ 76.081332][ T5035] do_el0_svc+0x58/0x13c [ 76.081964][ T5035] el0_svc+0x78/0x1d0 [ 76.082606][ T5035] el0t_64_sync_handler+0xcc/0xe4 [ 76.083355][ T5035] el0t_64_sync+0x1a0/0x1a4 [ 76.102199][ T5037] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 76.103965][ T5037] CPU: 1 PID: 5037 Comm: syz.0.27 Not tainted syzkaller #0 [ 76.105142][ T5037] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.106874][ T5037] Call trace: [ 76.107430][ T5037] dump_backtrace+0x0/0x458 [ 76.108193][ T5037] show_stack+0x2c/0x3c [ 76.108842][ T5037] __dump_stack+0x30/0x40 [ 76.109552][ T5037] dump_stack_lvl+0xf4/0x15c [ 76.110257][ T5037] dump_stack+0x1c/0x5c [ 76.110927][ T5037] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 76.111801][ T5037] dccp_xmit_packet+0x298/0x448 [ 76.112525][ T5037] dccp_write_xmit+0x118/0x1d0 [ 76.113230][ T5037] dccp_sendmsg+0x550/0x8b8 [ 76.113882][ T5037] inet_sendmsg+0x154/0x284 [ 76.114566][ T5037] __sys_sendto+0x30c/0x420 [ 76.115210][ T5037] __arm64_sys_sendto+0xd8/0xf8 [ 76.115942][ T5037] invoke_syscall+0x98/0x2b0 [ 76.116647][ T5037] el0_svc_common+0x138/0x258 [ 76.117369][ T5037] do_el0_svc+0x58/0x13c [ 76.117958][ T5037] el0_svc+0x78/0x1d0 [ 76.118563][ T5037] el0t_64_sync_handler+0xcc/0xe4 [ 76.119289][ T5037] el0t_64_sync+0x1a0/0x1a4 [ 76.120693][ T5037] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 76.122530][ T5037] CPU: 1 PID: 5037 Comm: syz.0.27 Not tainted syzkaller #0 [ 76.123646][ T5037] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.125212][ T5037] Call trace: [ 76.125700][ T5037] dump_backtrace+0x0/0x458 [ 76.126395][ T5037] show_stack+0x2c/0x3c [ 76.127018][ T5037] __dump_stack+0x30/0x40 [ 76.127676][ T5037] dump_stack_lvl+0xf4/0x15c [ 76.128381][ T5037] dump_stack+0x1c/0x5c [ 76.129055][ T5037] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 76.129864][ T5037] dccp_xmit_packet+0x298/0x448 [ 76.130609][ T5037] dccp_write_xmit+0x118/0x1d0 [ 76.131326][ T5037] dccp_sendmsg+0x550/0x8b8 [ 76.132053][ T5037] inet_sendmsg+0x154/0x284 [ 76.132728][ T5037] __sys_sendto+0x30c/0x420 [ 76.133494][ T5037] __arm64_sys_sendto+0xd8/0xf8 [ 76.134216][ T5037] invoke_syscall+0x98/0x2b0 [ 76.134901][ T5037] el0_svc_common+0x138/0x258 [ 76.135577][ T5037] do_el0_svc+0x58/0x13c [ 76.136168][ T5037] el0_svc+0x78/0x1d0 [ 76.136740][ T5037] el0t_64_sync_handler+0xcc/0xe4 [ 76.137437][ T5037] el0t_64_sync+0x1a0/0x1a4 [ 76.138269][ T5037] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 76.139857][ T5037] CPU: 1 PID: 5037 Comm: syz.0.27 Not tainted syzkaller #0 [ 76.140989][ T5037] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.142484][ T5037] Call trace: [ 76.142940][ T5037] dump_backtrace+0x0/0x458 [ 76.143607][ T5037] show_stack+0x2c/0x3c [ 76.144219][ T5037] __dump_stack+0x30/0x40 [ 76.144846][ T5037] dump_stack_lvl+0xf4/0x15c [ 76.145615][ T5037] dump_stack+0x1c/0x5c [ 76.146219][ T5037] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 76.147057][ T5037] dccp_xmit_packet+0x298/0x448 [ 76.147826][ T5037] dccp_write_xmit+0x118/0x1d0 [ 76.148507][ T5037] dccp_sendmsg+0x550/0x8b8 [ 76.149188][ T5037] inet_sendmsg+0x154/0x284 [ 76.149888][ T5037] __sys_sendto+0x30c/0x420 [ 76.150609][ T5037] __arm64_sys_sendto+0xd8/0xf8 [ 76.151359][ T5037] invoke_syscall+0x98/0x2b0 [ 76.152088][ T5037] el0_svc_common+0x138/0x258 [ 76.152806][ T5037] do_el0_svc+0x58/0x13c [ 76.153410][ T5037] el0_svc+0x78/0x1d0 [ 76.154058][ T5037] el0t_64_sync_handler+0xcc/0xe4 [ 76.154819][ T5037] el0t_64_sync+0x1a0/0x1a4 [ 76.155757][ T5037] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 76.156912][ T136] team0 (unregistering): Port device team_slave_1 removed [ 76.157568][ T5037] CPU: 1 PID: 5037 Comm: syz.0.27 Not tainted syzkaller #0 [ 76.159836][ T5037] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.161440][ T5037] Call trace: [ 76.161964][ T5037] dump_backtrace+0x0/0x458 [ 76.162693][ T5037] show_stack+0x2c/0x3c [ 76.163325][ T5037] __dump_stack+0x30/0x40 [ 76.163940][ T5037] dump_stack_lvl+0xf4/0x15c [ 76.164646][ T5037] dump_stack+0x1c/0x5c [ 76.165290][ T5037] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 76.166139][ T5037] dccp_xmit_packet+0x298/0x448 [ 76.166944][ T5037] dccp_write_xmit+0x118/0x1d0 [ 76.167715][ T5037] dccp_sendmsg+0x550/0x8b8 [ 76.168448][ T5037] inet_sendmsg+0x154/0x284 [ 76.169164][ T5037] __sys_sendto+0x30c/0x420 [ 76.169810][ T5037] __arm64_sys_sendto+0xd8/0xf8 [ 76.170477][ T5037] invoke_syscall+0x98/0x2b0 [ 76.171154][ T5037] el0_svc_common+0x138/0x258 [ 76.171838][ T5037] do_el0_svc+0x58/0x13c [ 76.172514][ T5037] el0_svc+0x78/0x1d0 [ 76.173103][ T5037] el0t_64_sync_handler+0xcc/0xe4 [ 76.173835][ T5037] el0t_64_sync+0x1a0/0x1a4 [ 76.175082][ T5037] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 76.175548][ T136] team0 (unregistering): Port device team_slave_0 removed [ 76.176806][ T5037] CPU: 1 PID: 5037 Comm: syz.0.27 Not tainted syzkaller #0 [ 76.179000][ T5037] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.180602][ T5037] Call trace: [ 76.181075][ T5037] dump_backtrace+0x0/0x458 [ 76.181842][ T5037] show_stack+0x2c/0x3c [ 76.182455][ T5037] __dump_stack+0x30/0x40 [ 76.183091][ T5037] dump_stack_lvl+0xf4/0x15c [ 76.183764][ T5037] dump_stack+0x1c/0x5c [ 76.184357][ T5037] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 76.185138][ T5037] dccp_xmit_packet+0x298/0x448 [ 76.185817][ T5037] dccp_write_xmit+0x118/0x1d0 [ 76.186568][ T5037] dccp_sendmsg+0x550/0x8b8 [ 76.187264][ T5037] inet_sendmsg+0x154/0x284 [ 76.187910][ T5037] __sys_sendto+0x30c/0x420 [ 76.188609][ T5037] __arm64_sys_sendto+0xd8/0xf8 [ 76.189338][ T5037] invoke_syscall+0x98/0x2b0 [ 76.189990][ T5037] el0_svc_common+0x138/0x258 [ 76.190677][ T5037] do_el0_svc+0x58/0x13c [ 76.191319][ T5037] el0_svc+0x78/0x1d0 [ 76.191931][ T5037] el0t_64_sync_handler+0xcc/0xe4 [ 76.192656][ T5037] el0t_64_sync+0x1a0/0x1a4 [ 76.193603][ T5037] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 76.195045][ T136] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 76.195464][ T5037] CPU: 1 PID: 5037 Comm: syz.0.27 Not tainted syzkaller #0 [ 76.197742][ T5037] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.199264][ T5037] Call trace: [ 76.199738][ T5037] dump_backtrace+0x0/0x458 [ 76.200420][ T5037] show_stack+0x2c/0x3c [ 76.201030][ T5037] __dump_stack+0x30/0x40 [ 76.201736][ T5037] dump_stack_lvl+0xf4/0x15c [ 76.202476][ T5037] dump_stack+0x1c/0x5c [ 76.203113][ T5037] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 76.203942][ T5037] dccp_xmit_packet+0x298/0x448 [ 76.204730][ T5037] dccp_write_xmit+0x118/0x1d0 [ 76.205412][ T5037] dccp_sendmsg+0x550/0x8b8 [ 76.206056][ T5037] inet_sendmsg+0x154/0x284 [ 76.206695][ T5037] __sys_sendto+0x30c/0x420 [ 76.207355][ T5037] __arm64_sys_sendto+0xd8/0xf8 [ 76.208095][ T5037] invoke_syscall+0x98/0x2b0 [ 76.208784][ T5037] el0_svc_common+0x138/0x258 [ 76.209473][ T5037] do_el0_svc+0x58/0x13c [ 76.210044][ T5037] el0_svc+0x78/0x1d0 [ 76.210630][ T5037] el0t_64_sync_handler+0xcc/0xe4 [ 76.211362][ T5037] el0t_64_sync+0x1a0/0x1a4 [ 76.212474][ T5037] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 76.214291][ T5037] CPU: 1 PID: 5037 Comm: syz.0.27 Not tainted syzkaller #0 [ 76.215404][ T5037] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.216935][ T5037] Call trace: [ 76.217452][ T5037] dump_backtrace+0x0/0x458 [ 76.218127][ T5037] show_stack+0x2c/0x3c [ 76.218795][ T5037] __dump_stack+0x30/0x40 [ 76.219436][ T5037] dump_stack_lvl+0xf4/0x15c [ 76.220113][ T5037] dump_stack+0x1c/0x5c [ 76.220750][ T5037] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 76.221564][ T5037] dccp_xmit_packet+0x298/0x448 [ 76.222303][ T5037] dccp_write_xmit+0x118/0x1d0 [ 76.223056][ T5037] dccp_sendmsg+0x550/0x8b8 [ 76.223703][ T5037] inet_sendmsg+0x154/0x284 [ 76.224385][ T5037] __sys_sendto+0x30c/0x420 [ 76.225026][ T5037] __arm64_sys_sendto+0xd8/0xf8 [ 76.225742][ T5037] invoke_syscall+0x98/0x2b0 [ 76.226470][ T5037] el0_svc_common+0x138/0x258 [ 76.227154][ T5037] do_el0_svc+0x58/0x13c [ 76.227781][ T5037] el0_svc+0x78/0x1d0 [ 76.228399][ T5037] el0t_64_sync_handler+0xcc/0xe4 [ 76.229163][ T5037] el0t_64_sync+0x1a0/0x1a4 [ 76.230157][ T5037] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 76.231956][ T5037] CPU: 1 PID: 5037 Comm: syz.0.27 Not tainted syzkaller #0 [ 76.233016][ T5037] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.234593][ T5037] Call trace: [ 76.235094][ T5037] dump_backtrace+0x0/0x458 [ 76.235759][ T5037] show_stack+0x2c/0x3c [ 76.236378][ T5037] __dump_stack+0x30/0x40 [ 76.237030][ T5037] dump_stack_lvl+0xf4/0x15c [ 76.237715][ T5037] dump_stack+0x1c/0x5c [ 76.238380][ T5037] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 76.239212][ T5037] dccp_xmit_packet+0x298/0x448 [ 76.239928][ T5037] dccp_write_xmit+0x118/0x1d0 [ 76.240634][ T5037] dccp_sendmsg+0x550/0x8b8 [ 76.241285][ T5037] inet_sendmsg+0x154/0x284 [ 76.241955][ T5037] __sys_sendto+0x30c/0x420 [ 76.242636][ T5037] __arm64_sys_sendto+0xd8/0xf8 [ 76.243307][ T5037] invoke_syscall+0x98/0x2b0 [ 76.243983][ T5037] el0_svc_common+0x138/0x258 [ 76.244686][ T5037] do_el0_svc+0x58/0x13c [ 76.245361][ T5037] el0_svc+0x78/0x1d0 [ 76.245961][ T5037] el0t_64_sync_handler+0xcc/0xe4 [ 76.246742][ T5037] el0t_64_sync+0x1a0/0x1a4 [ 76.247645][ T5037] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 76.249352][ T5037] CPU: 1 PID: 5037 Comm: syz.0.27 Not tainted syzkaller #0 [ 76.250412][ T5037] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.251945][ T5037] Call trace: [ 76.252431][ T5037] dump_backtrace+0x0/0x458 [ 76.253125][ T5037] show_stack+0x2c/0x3c [ 76.253739][ T5037] __dump_stack+0x30/0x40 [ 76.254352][ T5037] dump_stack_lvl+0xf4/0x15c [ 76.255021][ T5037] dump_stack+0x1c/0x5c [ 76.255624][ T5037] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 76.256344][ T5037] dccp_xmit_packet+0x298/0x448 [ 76.257026][ T5037] dccp_write_xmit+0x118/0x1d0 [ 76.257679][ T5037] dccp_sendmsg+0x550/0x8b8 [ 76.258260][ T5037] inet_sendmsg+0x154/0x284 [ 76.258946][ T5037] __sys_sendto+0x30c/0x420 [ 76.259607][ T5037] __arm64_sys_sendto+0xd8/0xf8 [ 76.260329][ T5037] invoke_syscall+0x98/0x2b0 [ 76.261056][ T5037] el0_svc_common+0x138/0x258 [ 76.261748][ T5037] do_el0_svc+0x58/0x13c [ 76.262363][ T5037] el0_svc+0x78/0x1d0 [ 76.262985][ T5037] el0t_64_sync_handler+0xcc/0xe4 [ 76.263735][ T5037] el0t_64_sync+0x1a0/0x1a4 [ 76.264727][ T5037] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 76.265688][ T136] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 76.266470][ T5037] CPU: 1 PID: 5037 Comm: syz.0.27 Not tainted syzkaller #0 [ 76.268957][ T5037] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.270480][ T5037] Call trace: [ 76.270975][ T5037] dump_backtrace+0x0/0x458 [ 76.271681][ T5037] show_stack+0x2c/0x3c [ 76.272311][ T5037] __dump_stack+0x30/0x40 [ 76.272973][ T5037] dump_stack_lvl+0xf4/0x15c [ 76.273672][ T5037] dump_stack+0x1c/0x5c [ 76.274317][ T5037] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 76.275154][ T5037] dccp_xmit_packet+0x298/0x448 [ 76.275934][ T5037] dccp_write_xmit+0x118/0x1d0 [ 76.276676][ T5037] dccp_sendmsg+0x550/0x8b8 [ 76.277393][ T5037] inet_sendmsg+0x154/0x284 [ 76.278082][ T5037] __sys_sendto+0x30c/0x420 [ 76.278752][ T5037] __arm64_sys_sendto+0xd8/0xf8 [ 76.279547][ T5037] invoke_syscall+0x98/0x2b0 [ 76.280223][ T5037] el0_svc_common+0x138/0x258 [ 76.280996][ T5037] do_el0_svc+0x58/0x13c [ 76.281721][ T5037] el0_svc+0x78/0x1d0 [ 76.282285][ T5037] el0t_64_sync_handler+0xcc/0xe4 [ 76.283044][ T5037] el0t_64_sync+0x1a0/0x1a4 [ 76.283882][ T5037] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 76.285590][ T5037] CPU: 1 PID: 5037 Comm: syz.0.27 Not tainted syzkaller #0 [ 76.286593][ T5037] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.288010][ T5037] Call trace: [ 76.288472][ T5037] dump_backtrace+0x0/0x458 [ 76.289148][ T5037] show_stack+0x2c/0x3c [ 76.289799][ T5037] __dump_stack+0x30/0x40 [ 76.290449][ T5037] dump_stack_lvl+0xf4/0x15c [ 76.291112][ T5037] dump_stack+0x1c/0x5c [ 76.291675][ T5037] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 76.292506][ T5037] dccp_xmit_packet+0x298/0x448 [ 76.293170][ T5037] dccp_write_xmit+0x118/0x1d0 [ 76.293880][ T5037] dccp_sendmsg+0x550/0x8b8 [ 76.294544][ T5037] inet_sendmsg+0x154/0x284 [ 76.295234][ T5037] __sys_sendto+0x30c/0x420 [ 76.295923][ T5037] __arm64_sys_sendto+0xd8/0xf8 [ 76.296619][ T5037] invoke_syscall+0x98/0x2b0 [ 76.297269][ T5037] el0_svc_common+0x138/0x258 [ 76.298032][ T5037] do_el0_svc+0x58/0x13c [ 76.298673][ T5037] el0_svc+0x78/0x1d0 [ 76.299257][ T5037] el0t_64_sync_handler+0xcc/0xe4 [ 76.299987][ T5037] el0t_64_sync+0x1a0/0x1a4 [ 76.300825][ T5037] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 76.302451][ T5037] CPU: 1 PID: 5037 Comm: syz.0.27 Not tainted syzkaller #0 [ 76.303463][ T5037] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.304908][ T5037] Call trace: [ 76.305381][ T5037] dump_backtrace+0x0/0x458 [ 76.306057][ T5037] show_stack+0x2c/0x3c [ 76.306712][ T5037] __dump_stack+0x30/0x40 [ 76.307346][ T5037] dump_stack_lvl+0xf4/0x15c [ 76.308057][ T5037] dump_stack+0x1c/0x5c [ 76.308736][ T5037] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 76.309601][ T5037] dccp_xmit_packet+0x298/0x448 [ 76.310363][ T5037] dccp_write_xmit+0x118/0x1d0 [ 76.311048][ T5037] dccp_sendmsg+0x550/0x8b8 [ 76.311728][ T5037] inet_sendmsg+0x154/0x284 [ 76.312353][ T5037] __sys_sendto+0x30c/0x420 [ 76.313028][ T5037] __arm64_sys_sendto+0xd8/0xf8 [ 76.313811][ T5037] invoke_syscall+0x98/0x2b0 [ 76.314494][ T5037] el0_svc_common+0x138/0x258 [ 76.315237][ T5037] do_el0_svc+0x58/0x13c [ 76.315864][ T5037] el0_svc+0x78/0x1d0 [ 76.316469][ T5037] el0t_64_sync_handler+0xcc/0xe4 [ 76.317242][ T5037] el0t_64_sync+0x1a0/0x1a4 [ 76.318236][ T5037] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 76.320026][ T5037] CPU: 1 PID: 5037 Comm: syz.0.27 Not tainted syzkaller #0 [ 76.321136][ T5037] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.322625][ T5037] Call trace: [ 76.323087][ T5037] dump_backtrace+0x0/0x458 [ 76.323786][ T5037] show_stack+0x2c/0x3c [ 76.324420][ T5037] __dump_stack+0x30/0x40 [ 76.325112][ T5037] dump_stack_lvl+0xf4/0x15c [ 76.325833][ T5037] dump_stack+0x1c/0x5c [ 76.326493][ T5037] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 76.327240][ T5037] dccp_xmit_packet+0x298/0x448 [ 76.327990][ T5037] dccp_write_xmit+0x118/0x1d0 [ 76.328716][ T5037] dccp_sendmsg+0x550/0x8b8 [ 76.329434][ T5037] inet_sendmsg+0x154/0x284 [ 76.330127][ T5037] __sys_sendto+0x30c/0x420 [ 76.330800][ T5037] __arm64_sys_sendto+0xd8/0xf8 [ 76.331555][ T5037] invoke_syscall+0x98/0x2b0 [ 76.332286][ T5037] el0_svc_common+0x138/0x258 [ 76.333048][ T5037] do_el0_svc+0x58/0x13c [ 76.333677][ T5037] el0_svc+0x78/0x1d0 [ 76.334274][ T5037] el0t_64_sync_handler+0xcc/0xe4 [ 76.335028][ T5037] el0t_64_sync+0x1a0/0x1a4 [ 76.335919][ T5037] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 76.337519][ T5037] CPU: 1 PID: 5037 Comm: syz.0.27 Not tainted syzkaller #0 [ 76.338576][ T5037] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.340050][ T5037] Call trace: [ 76.340606][ T5037] dump_backtrace+0x0/0x458 [ 76.341372][ T5037] show_stack+0x2c/0x3c [ 76.341958][ T5037] __dump_stack+0x30/0x40 [ 76.342619][ T5037] dump_stack_lvl+0xf4/0x15c [ 76.343262][ T5037] dump_stack+0x1c/0x5c [ 76.343865][ T5037] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 76.344685][ T5037] dccp_xmit_packet+0x298/0x448 [ 76.345411][ T5037] dccp_write_xmit+0x118/0x1d0 [ 76.346140][ T5037] dccp_sendmsg+0x550/0x8b8 [ 76.346850][ T5037] inet_sendmsg+0x154/0x284 [ 76.347506][ T5037] __sys_sendto+0x30c/0x420 [ 76.348165][ T5037] __arm64_sys_sendto+0xd8/0xf8 [ 76.348909][ T5037] invoke_syscall+0x98/0x2b0 [ 76.349598][ T5037] el0_svc_common+0x138/0x258 [ 76.350314][ T5037] do_el0_svc+0x58/0x13c [ 76.350989][ T5037] el0_svc+0x78/0x1d0 [ 76.351574][ T5037] el0t_64_sync_handler+0xcc/0xe4 [ 76.352311][ T5037] el0t_64_sync+0x1a0/0x1a4 [ 76.353446][ T5037] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 76.355379][ T5037] CPU: 1 PID: 5037 Comm: syz.0.27 Not tainted syzkaller #0 [ 76.356424][ T5037] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.357909][ T5037] Call trace: [ 76.358390][ T5037] dump_backtrace+0x0/0x458 [ 76.359116][ T5037] show_stack+0x2c/0x3c [ 76.359749][ T5037] __dump_stack+0x30/0x40 [ 76.360343][ T5037] dump_stack_lvl+0xf4/0x15c [ 76.361081][ T5037] dump_stack+0x1c/0x5c [ 76.361710][ T5037] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 76.362496][ T5037] dccp_xmit_packet+0x298/0x448 [ 76.363260][ T5037] dccp_write_xmit+0x118/0x1d0 [ 76.363986][ T5037] dccp_sendmsg+0x550/0x8b8 [ 76.364631][ T5037] inet_sendmsg+0x154/0x284 [ 76.365304][ T5037] __sys_sendto+0x30c/0x420 [ 76.365982][ T5037] __arm64_sys_sendto+0xd8/0xf8 [ 76.366767][ T5037] invoke_syscall+0x98/0x2b0 [ 76.367433][ T5037] el0_svc_common+0x138/0x258 [ 76.368133][ T5037] do_el0_svc+0x58/0x13c [ 76.368769][ T5037] el0_svc+0x78/0x1d0 [ 76.369360][ T5037] el0t_64_sync_handler+0xcc/0xe4 [ 76.369667][ T136] bond0 (unregistering): Released all slaves [ 76.370039][ T5037] el0t_64_sync+0x1a0/0x1a4 [ 76.371862][ T5037] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 76.373419][ T5037] CPU: 1 PID: 5037 Comm: syz.0.27 Not tainted syzkaller #0 [ 76.374390][ T5037] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.375934][ T5037] Call trace: [ 76.376418][ T5037] dump_backtrace+0x0/0x458 [ 76.377081][ T5037] show_stack+0x2c/0x3c [ 76.377659][ T5037] __dump_stack+0x30/0x40 [ 76.378332][ T5037] dump_stack_lvl+0xf4/0x15c [ 76.379036][ T5037] dump_stack+0x1c/0x5c [ 76.379673][ T5037] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 76.380498][ T5037] dccp_xmit_packet+0x298/0x448 [ 76.381247][ T5037] dccp_write_xmit+0x118/0x1d0 [ 76.381918][ T5037] dccp_sendmsg+0x550/0x8b8 [ 76.382578][ T5037] inet_sendmsg+0x154/0x284 [ 76.383241][ T5037] __sys_sendto+0x30c/0x420 [ 76.383902][ T5037] __arm64_sys_sendto+0xd8/0xf8 [ 76.384598][ T5037] invoke_syscall+0x98/0x2b0 [ 76.385275][ T5037] el0_svc_common+0x138/0x258 [ 76.386015][ T5037] do_el0_svc+0x58/0x13c [ 76.386627][ T5037] el0_svc+0x78/0x1d0 [ 76.387253][ T5037] el0t_64_sync_handler+0xcc/0xe4 [ 76.387991][ T5037] el0t_64_sync+0x1a0/0x1a4 [ 76.407081][ T5039] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 76.409008][ T5039] CPU: 1 PID: 5039 Comm: syz.0.28 Not tainted syzkaller #0 [ 76.410102][ T5039] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.411618][ T5039] Call trace: [ 76.412093][ T5039] dump_backtrace+0x0/0x458 [ 76.412760][ T5039] show_stack+0x2c/0x3c [ 76.413375][ T5039] __dump_stack+0x30/0x40 [ 76.414067][ T5039] dump_stack_lvl+0xf4/0x15c [ 76.414741][ T5039] dump_stack+0x1c/0x5c [ 76.415363][ T5039] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 76.416164][ T5039] dccp_xmit_packet+0x298/0x448 [ 76.416888][ T5039] dccp_write_xmit+0x118/0x1d0 [ 76.417568][ T5039] dccp_sendmsg+0x550/0x8b8 [ 76.418353][ T5039] inet_sendmsg+0x154/0x284 [ 76.419160][ T5039] __sys_sendto+0x30c/0x420 [ 76.419947][ T5039] __arm64_sys_sendto+0xd8/0xf8 [ 76.420729][ T5039] invoke_syscall+0x98/0x2b0 [ 76.421497][ T5039] el0_svc_common+0x138/0x258 [ 76.422261][ T5039] do_el0_svc+0x58/0x13c [ 76.422920][ T5039] el0_svc+0x78/0x1d0 [ 76.423554][ T5039] el0t_64_sync_handler+0xcc/0xe4 [ 76.424445][ T5039] el0t_64_sync+0x1a0/0x1a4 [ 76.425802][ T5039] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 76.427460][ T5039] CPU: 1 PID: 5039 Comm: syz.0.28 Not tainted syzkaller #0 [ 76.428546][ T5039] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.430031][ T5039] Call trace: [ 76.430524][ T5039] dump_backtrace+0x0/0x458 [ 76.431229][ T5039] show_stack+0x2c/0x3c [ 76.431913][ T5039] __dump_stack+0x30/0x40 [ 76.432564][ T5039] dump_stack_lvl+0xf4/0x15c [ 76.433265][ T5039] dump_stack+0x1c/0x5c [ 76.433960][ T5039] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 76.434935][ T5039] dccp_xmit_packet+0x298/0x448 [ 76.435680][ T5039] dccp_write_xmit+0x118/0x1d0 [ 76.436392][ T5039] dccp_sendmsg+0x550/0x8b8 [ 76.437043][ T5039] inet_sendmsg+0x154/0x284 [ 76.437708][ T5039] __sys_sendto+0x30c/0x420 [ 76.438367][ T5039] __arm64_sys_sendto+0xd8/0xf8 [ 76.439084][ T5039] invoke_syscall+0x98/0x2b0 [ 76.439772][ T5039] el0_svc_common+0x138/0x258 [ 76.440455][ T5039] do_el0_svc+0x58/0x13c [ 76.441103][ T5039] el0_svc+0x78/0x1d0 [ 76.441678][ T5039] el0t_64_sync_handler+0xcc/0xe4 [ 76.442453][ T5039] el0t_64_sync+0x1a0/0x1a4 [ 76.443307][ T5039] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 76.445144][ T5039] CPU: 1 PID: 5039 Comm: syz.0.28 Not tainted syzkaller #0 [ 76.446239][ T5039] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.447820][ T5039] Call trace: [ 76.448338][ T5039] dump_backtrace+0x0/0x458 [ 76.448975][ T5039] show_stack+0x2c/0x3c [ 76.449585][ T5039] __dump_stack+0x30/0x40 [ 76.450204][ T5039] dump_stack_lvl+0xf4/0x15c [ 76.450871][ T5039] dump_stack+0x1c/0x5c [ 76.451486][ T5039] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 76.452354][ T5039] dccp_xmit_packet+0x298/0x448 [ 76.453096][ T5039] dccp_write_xmit+0x118/0x1d0 [ 76.453802][ T5039] dccp_sendmsg+0x550/0x8b8 [ 76.454521][ T5039] inet_sendmsg+0x154/0x284 [ 76.455279][ T5039] __sys_sendto+0x30c/0x420 [ 76.455921][ T5039] __arm64_sys_sendto+0xd8/0xf8 [ 76.456674][ T5039] invoke_syscall+0x98/0x2b0 [ 76.457373][ T5039] el0_svc_common+0x138/0x258 [ 76.458117][ T5039] do_el0_svc+0x58/0x13c [ 76.458774][ T5039] el0_svc+0x78/0x1d0 [ 76.459375][ T5039] el0t_64_sync_handler+0xcc/0xe4 [ 76.460113][ T5039] el0t_64_sync+0x1a0/0x1a4 [ 76.461019][ T5039] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 76.462707][ T5039] CPU: 1 PID: 5039 Comm: syz.0.28 Not tainted syzkaller #0 [ 76.463797][ T5039] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.465268][ T5039] Call trace: [ 76.465747][ T5039] dump_backtrace+0x0/0x458 [ 76.466421][ T5039] show_stack+0x2c/0x3c [ 76.467003][ T5039] __dump_stack+0x30/0x40 [ 76.467610][ T5039] dump_stack_lvl+0xf4/0x15c [ 76.468261][ T5039] dump_stack+0x1c/0x5c [ 76.468888][ T5039] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 76.469697][ T5039] dccp_xmit_packet+0x298/0x448 [ 76.470517][ T5039] dccp_write_xmit+0x118/0x1d0 [ 76.471310][ T5039] dccp_sendmsg+0x550/0x8b8 [ 76.472018][ T5039] inet_sendmsg+0x154/0x284 [ 76.472730][ T5039] __sys_sendto+0x30c/0x420 [ 76.473452][ T5039] __arm64_sys_sendto+0xd8/0xf8 [ 76.474229][ T5039] invoke_syscall+0x98/0x2b0 [ 76.474906][ T5039] el0_svc_common+0x138/0x258 [ 76.475580][ T5039] do_el0_svc+0x58/0x13c [ 76.476266][ T5039] el0_svc+0x78/0x1d0 [ 76.476905][ T5039] el0t_64_sync_handler+0xcc/0xe4 [ 76.477708][ T5039] el0t_64_sync+0x1a0/0x1a4 [ 76.479090][ T5039] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 76.484310][ T5039] CPU: 1 PID: 5039 Comm: syz.0.28 Not tainted syzkaller #0 [ 76.485472][ T5039] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.487092][ T5039] Call trace: [ 76.487563][ T5039] dump_backtrace+0x0/0x458 [ 76.488274][ T5039] show_stack+0x2c/0x3c [ 76.488907][ T5039] __dump_stack+0x30/0x40 [ 76.489566][ T5039] dump_stack_lvl+0xf4/0x15c [ 76.490241][ T5039] dump_stack+0x1c/0x5c [ 76.490818][ T5039] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 76.491631][ T5039] dccp_xmit_packet+0x298/0x448 [ 76.492314][ T5039] dccp_write_xmit+0x118/0x1d0 [ 76.493010][ T5039] dccp_sendmsg+0x550/0x8b8 [ 76.493672][ T5039] inet_sendmsg+0x154/0x284 [ 76.494357][ T5039] __sys_sendto+0x30c/0x420 [ 76.495045][ T5039] __arm64_sys_sendto+0xd8/0xf8 [ 76.495747][ T5039] invoke_syscall+0x98/0x2b0 [ 76.496405][ T5039] el0_svc_common+0x138/0x258 [ 76.497063][ T5039] do_el0_svc+0x58/0x13c [ 76.497661][ T5039] el0_svc+0x78/0x1d0 [ 76.498241][ T5039] el0t_64_sync_handler+0xcc/0xe4 [ 76.498995][ T5039] el0t_64_sync+0x1a0/0x1a4 [ 76.500490][ T5039] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 76.502051][ T5039] CPU: 1 PID: 5039 Comm: syz.0.28 Not tainted syzkaller #0 [ 76.503094][ T5039] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.504531][ T5039] Call trace: [ 76.505045][ T5039] dump_backtrace+0x0/0x458 [ 76.505727][ T5039] show_stack+0x2c/0x3c [ 76.506366][ T5039] __dump_stack+0x30/0x40 [ 76.507073][ T5039] dump_stack_lvl+0xf4/0x15c [ 76.507813][ T5039] dump_stack+0x1c/0x5c [ 76.508498][ T5039] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 76.509331][ T5039] dccp_xmit_packet+0x298/0x448 [ 76.510062][ T5039] dccp_write_xmit+0x118/0x1d0 [ 76.510808][ T5039] dccp_sendmsg+0x550/0x8b8 [ 76.511466][ T5039] inet_sendmsg+0x154/0x284 [ 76.512152][ T5039] __sys_sendto+0x30c/0x420 [ 76.512783][ T5039] __arm64_sys_sendto+0xd8/0xf8 [ 76.513513][ T5039] invoke_syscall+0x98/0x2b0 [ 76.514222][ T5039] el0_svc_common+0x138/0x258 [ 76.514918][ T5039] do_el0_svc+0x58/0x13c [ 76.515559][ T5039] el0_svc+0x78/0x1d0 [ 76.516171][ T5039] el0t_64_sync_handler+0xcc/0xe4 [ 76.516951][ T5039] el0t_64_sync+0x1a0/0x1a4 [ 76.518164][ T5039] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 76.519903][ T5039] CPU: 1 PID: 5039 Comm: syz.0.28 Not tainted syzkaller #0 [ 76.520995][ T5039] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.522440][ T5039] Call trace: [ 76.522945][ T5039] dump_backtrace+0x0/0x458 [ 76.523552][ T5039] show_stack+0x2c/0x3c [ 76.524143][ T5039] __dump_stack+0x30/0x40 [ 76.524766][ T5039] dump_stack_lvl+0xf4/0x15c [ 76.525531][ T5039] dump_stack+0x1c/0x5c [ 76.526197][ T5039] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 76.527020][ T5039] dccp_xmit_packet+0x298/0x448 [ 76.527779][ T5039] dccp_write_xmit+0x118/0x1d0 [ 76.528441][ T5039] dccp_sendmsg+0x550/0x8b8 [ 76.529124][ T5039] inet_sendmsg+0x154/0x284 [ 76.529766][ T5039] __sys_sendto+0x30c/0x420 [ 76.530441][ T5039] __arm64_sys_sendto+0xd8/0xf8 [ 76.531161][ T5039] invoke_syscall+0x98/0x2b0 [ 76.531838][ T5039] el0_svc_common+0x138/0x258 [ 76.532512][ T5039] do_el0_svc+0x58/0x13c [ 76.533102][ T5039] el0_svc+0x78/0x1d0 [ 76.533669][ T5039] el0t_64_sync_handler+0xcc/0xe4 [ 76.534365][ T5039] el0t_64_sync+0x1a0/0x1a4 [ 76.535735][ T5039] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 76.537373][ T5039] CPU: 1 PID: 5039 Comm: syz.0.28 Not tainted syzkaller #0 [ 76.538434][ T5039] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.539829][ T5039] Call trace: [ 76.540288][ T5039] dump_backtrace+0x0/0x458 [ 76.540955][ T5039] show_stack+0x2c/0x3c [ 76.541551][ T5039] __dump_stack+0x30/0x40 [ 76.542193][ T5039] dump_stack_lvl+0xf4/0x15c [ 76.542840][ T5039] dump_stack+0x1c/0x5c [ 76.543434][ T5039] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 76.544190][ T5039] dccp_xmit_packet+0x298/0x448 [ 76.544927][ T5039] dccp_write_xmit+0x118/0x1d0 [ 76.545622][ T5039] dccp_sendmsg+0x550/0x8b8 [ 76.546287][ T5039] inet_sendmsg+0x154/0x284 [ 76.546935][ T5039] __sys_sendto+0x30c/0x420 [ 76.547597][ T5039] __arm64_sys_sendto+0xd8/0xf8 [ 76.548402][ T5039] invoke_syscall+0x98/0x2b0 [ 76.549111][ T5039] el0_svc_common+0x138/0x258 [ 76.549836][ T5039] do_el0_svc+0x58/0x13c [ 76.550450][ T5039] el0_svc+0x78/0x1d0 [ 76.551019][ T5039] el0t_64_sync_handler+0xcc/0xe4 [ 76.551811][ T5039] el0t_64_sync+0x1a0/0x1a4 [ 76.552790][ T5039] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 76.554647][ T5039] CPU: 1 PID: 5039 Comm: syz.0.28 Not tainted syzkaller #0 [ 76.555896][ T5039] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.557502][ T5039] Call trace: [ 76.558040][ T5039] dump_backtrace+0x0/0x458 [ 76.558743][ T5039] show_stack+0x2c/0x3c [ 76.559431][ T5039] __dump_stack+0x30/0x40 [ 76.560119][ T5039] dump_stack_lvl+0xf4/0x15c [ 76.560815][ T5039] dump_stack+0x1c/0x5c [ 76.561481][ T5039] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 76.562307][ T5039] dccp_xmit_packet+0x298/0x448 [ 76.563083][ T5039] dccp_write_xmit+0x118/0x1d0 [ 76.563868][ T5039] dccp_sendmsg+0x550/0x8b8 [ 76.564550][ T5039] inet_sendmsg+0x154/0x284 [ 76.565301][ T5039] __sys_sendto+0x30c/0x420 [ 76.566022][ T5039] __arm64_sys_sendto+0xd8/0xf8 [ 76.566843][ T5039] invoke_syscall+0x98/0x2b0 [ 76.567568][ T5039] el0_svc_common+0x138/0x258 [ 76.568330][ T5039] do_el0_svc+0x58/0x13c [ 76.568999][ T5039] el0_svc+0x78/0x1d0 [ 76.569617][ T5039] el0t_64_sync_handler+0xcc/0xe4 [ 76.570440][ T5039] el0t_64_sync+0x1a0/0x1a4 [ 76.571244][ T5039] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 76.572875][ T5039] CPU: 1 PID: 5039 Comm: syz.0.28 Not tainted syzkaller #0 [ 76.573936][ T5039] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.575491][ T5039] Call trace: [ 76.575966][ T5039] dump_backtrace+0x0/0x458 [ 76.576620][ T5039] show_stack+0x2c/0x3c [ 76.577243][ T5039] __dump_stack+0x30/0x40 [ 76.577923][ T5039] dump_stack_lvl+0xf4/0x15c [ 76.578639][ T5039] dump_stack+0x1c/0x5c [ 76.579288][ T5039] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 76.580177][ T5039] dccp_xmit_packet+0x298/0x448 [ 76.580898][ T5039] dccp_write_xmit+0x118/0x1d0 [ 76.581628][ T5039] dccp_sendmsg+0x550/0x8b8 [ 76.582302][ T5039] inet_sendmsg+0x154/0x284 [ 76.582971][ T5039] __sys_sendto+0x30c/0x420 [ 76.583592][ T5039] __arm64_sys_sendto+0xd8/0xf8 [ 76.584329][ T5039] invoke_syscall+0x98/0x2b0 [ 76.585099][ T5039] el0_svc_common+0x138/0x258 [ 76.585859][ T5039] do_el0_svc+0x58/0x13c [ 76.586513][ T5039] el0_svc+0x78/0x1d0 [ 76.587084][ T5039] el0t_64_sync_handler+0xcc/0xe4 [ 76.587850][ T5039] el0t_64_sync+0x1a0/0x1a4 [ 76.588693][ T5039] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 76.590356][ T5039] CPU: 1 PID: 5039 Comm: syz.0.28 Not tainted syzkaller #0 [ 76.591448][ T5039] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.593000][ T5039] Call trace: [ 76.593491][ T5039] dump_backtrace+0x0/0x458 [ 76.594179][ T5039] show_stack+0x2c/0x3c [ 76.594782][ T5039] __dump_stack+0x30/0x40 [ 76.595441][ T5039] dump_stack_lvl+0xf4/0x15c [ 76.596162][ T5039] dump_stack+0x1c/0x5c [ 76.596788][ T5039] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 76.597597][ T5039] dccp_xmit_packet+0x298/0x448 [ 76.598367][ T5039] dccp_write_xmit+0x118/0x1d0 [ 76.599075][ T5039] dccp_sendmsg+0x550/0x8b8 [ 76.599789][ T5039] inet_sendmsg+0x154/0x284 [ 76.600455][ T5039] __sys_sendto+0x30c/0x420 [ 76.601112][ T5039] __arm64_sys_sendto+0xd8/0xf8 [ 76.601928][ T5039] invoke_syscall+0x98/0x2b0 [ 76.602601][ T5039] el0_svc_common+0x138/0x258 [ 76.603248][ T5039] do_el0_svc+0x58/0x13c [ 76.603917][ T5039] el0_svc+0x78/0x1d0 [ 76.604479][ T5039] el0t_64_sync_handler+0xcc/0xe4 [ 76.605206][ T5039] el0t_64_sync+0x1a0/0x1a4 [ 76.606010][ T5039] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 76.607563][ T5039] CPU: 1 PID: 5039 Comm: syz.0.28 Not tainted syzkaller #0 [ 76.608550][ T5039] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.609950][ T5039] Call trace: [ 76.610439][ T5039] dump_backtrace+0x0/0x458 [ 76.611077][ T5039] show_stack+0x2c/0x3c [ 76.611680][ T5039] __dump_stack+0x30/0x40 [ 76.612282][ T5039] dump_stack_lvl+0xf4/0x15c [ 76.612922][ T5039] dump_stack+0x1c/0x5c [ 76.613518][ T5039] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 76.614298][ T5039] dccp_xmit_packet+0x298/0x448 [ 76.615025][ T5039] dccp_write_xmit+0x118/0x1d0 [ 76.615698][ T5039] dccp_sendmsg+0x550/0x8b8 [ 76.616336][ T5039] inet_sendmsg+0x154/0x284 [ 76.617008][ T5039] __sys_sendto+0x30c/0x420 [ 76.617679][ T5039] __arm64_sys_sendto+0xd8/0xf8 [ 76.618402][ T5039] invoke_syscall+0x98/0x2b0 [ 76.619076][ T5039] el0_svc_common+0x138/0x258 [ 76.619785][ T5039] do_el0_svc+0x58/0x13c [ 76.620413][ T5039] el0_svc+0x78/0x1d0 [ 76.620998][ T5039] el0t_64_sync_handler+0xcc/0xe4 [ 76.621730][ T5039] el0t_64_sync+0x1a0/0x1a4 [ 76.622710][ T5039] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 76.624567][ T5039] CPU: 1 PID: 5039 Comm: syz.0.28 Not tainted syzkaller #0 [ 76.625717][ T5039] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.627170][ T5039] Call trace: [ 76.627629][ T5039] dump_backtrace+0x0/0x458 [ 76.628260][ T5039] show_stack+0x2c/0x3c [ 76.628822][ T5039] __dump_stack+0x30/0x40 [ 76.629451][ T5039] dump_stack_lvl+0xf4/0x15c [ 76.630118][ T5039] dump_stack+0x1c/0x5c [ 76.630703][ T5039] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 76.631501][ T5039] dccp_xmit_packet+0x298/0x448 [ 76.632184][ T5039] dccp_write_xmit+0x118/0x1d0 [ 76.632860][ T5039] dccp_sendmsg+0x550/0x8b8 [ 76.633501][ T5039] inet_sendmsg+0x154/0x284 [ 76.634150][ T5039] __sys_sendto+0x30c/0x420 [ 76.634848][ T5039] __arm64_sys_sendto+0xd8/0xf8 [ 76.635629][ T5039] invoke_syscall+0x98/0x2b0 [ 76.636338][ T5039] el0_svc_common+0x138/0x258 [ 76.637024][ T5039] do_el0_svc+0x58/0x13c [ 76.637639][ T5039] el0_svc+0x78/0x1d0 [ 76.638271][ T5039] el0t_64_sync_handler+0xcc/0xe4 [ 76.639022][ T5039] el0t_64_sync+0x1a0/0x1a4 [ 76.639891][ T5039] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 76.641500][ T5039] CPU: 1 PID: 5039 Comm: syz.0.28 Not tainted syzkaller #0 [ 76.642522][ T5039] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.644036][ T5039] Call trace: [ 76.644503][ T5039] dump_backtrace+0x0/0x458 [ 76.645163][ T5039] show_stack+0x2c/0x3c [ 76.645808][ T5039] __dump_stack+0x30/0x40 [ 76.646438][ T5039] dump_stack_lvl+0xf4/0x15c [ 76.647153][ T5039] dump_stack+0x1c/0x5c [ 76.647777][ T5039] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 76.648606][ T5039] dccp_xmit_packet+0x298/0x448 [ 76.649303][ T5039] dccp_write_xmit+0x118/0x1d0 [ 76.649998][ T5039] dccp_sendmsg+0x550/0x8b8 [ 76.650680][ T5039] inet_sendmsg+0x154/0x284 [ 76.651312][ T5039] __sys_sendto+0x30c/0x420 [ 76.651954][ T5039] __arm64_sys_sendto+0xd8/0xf8 [ 76.652673][ T5039] invoke_syscall+0x98/0x2b0 [ 76.653386][ T5039] el0_svc_common+0x138/0x258 [ 76.654093][ T5039] do_el0_svc+0x58/0x13c [ 76.654697][ T5039] el0_svc+0x78/0x1d0 [ 76.655293][ T5039] el0t_64_sync_handler+0xcc/0xe4 [ 76.656042][ T5039] el0t_64_sync+0x1a0/0x1a4 [ 76.656830][ T5039] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 76.658520][ T5039] CPU: 1 PID: 5039 Comm: syz.0.28 Not tainted syzkaller #0 [ 76.659574][ T5039] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.660991][ T5039] Call trace: [ 76.661498][ T5039] dump_backtrace+0x0/0x458 [ 76.662145][ T5039] show_stack+0x2c/0x3c [ 76.662761][ T5039] __dump_stack+0x30/0x40 [ 76.663463][ T5039] dump_stack_lvl+0xf4/0x15c [ 76.664150][ T5039] dump_stack+0x1c/0x5c [ 76.664761][ T5039] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 76.665569][ T5039] dccp_xmit_packet+0x298/0x448 [ 76.666316][ T5039] dccp_write_xmit+0x118/0x1d0 [ 76.667004][ T5039] dccp_sendmsg+0x550/0x8b8 [ 76.667705][ T5039] inet_sendmsg+0x154/0x284 [ 76.668391][ T5039] __sys_sendto+0x30c/0x420 [ 76.669125][ T5039] __arm64_sys_sendto+0xd8/0xf8 [ 76.669805][ T5039] invoke_syscall+0x98/0x2b0 [ 76.670532][ T5039] el0_svc_common+0x138/0x258 [ 76.671222][ T5039] do_el0_svc+0x58/0x13c [ 76.671854][ T5039] el0_svc+0x78/0x1d0 [ 76.672418][ T5039] el0t_64_sync_handler+0xcc/0xe4 [ 76.673152][ T5039] el0t_64_sync+0x1a0/0x1a4 [ 76.673932][ T25] Bluetooth: hci0: command 0x0419 tx timeout [ 76.675040][ T5039] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 76.676780][ T5039] CPU: 1 PID: 5039 Comm: syz.0.28 Not tainted syzkaller #0 [ 76.677774][ T5039] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.679216][ T5039] Call trace: [ 76.679683][ T5039] dump_backtrace+0x0/0x458 [ 76.680343][ T5039] show_stack+0x2c/0x3c [ 76.680900][ T5039] __dump_stack+0x30/0x40 [ 76.681503][ T5039] dump_stack_lvl+0xf4/0x15c [ 76.682156][ T5039] dump_stack+0x1c/0x5c [ 76.682772][ T5039] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 76.683602][ T5039] dccp_xmit_packet+0x298/0x448 [ 76.684255][ T5039] dccp_write_xmit+0x118/0x1d0 [ 76.684958][ T5039] dccp_sendmsg+0x550/0x8b8 [ 76.685653][ T5039] inet_sendmsg+0x154/0x284 [ 76.686348][ T5039] __sys_sendto+0x30c/0x420 [ 76.686956][ T5039] __arm64_sys_sendto+0xd8/0xf8 [ 76.687630][ T5039] invoke_syscall+0x98/0x2b0 [ 76.688294][ T5039] el0_svc_common+0x138/0x258 [ 76.689108][ T5039] do_el0_svc+0x58/0x13c [ 76.689770][ T5039] el0_svc+0x78/0x1d0 [ 76.690377][ T5039] el0t_64_sync_handler+0xcc/0xe4 [ 76.691155][ T5039] el0t_64_sync+0x1a0/0x1a4 [ 76.691976][ T5039] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 76.693523][ T5039] CPU: 1 PID: 5039 Comm: syz.0.28 Not tainted syzkaller #0 [ 76.694603][ T5039] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.696085][ T5039] Call trace: [ 76.696593][ T5039] dump_backtrace+0x0/0x458 [ 76.697302][ T5039] show_stack+0x2c/0x3c [ 76.697915][ T5039] __dump_stack+0x30/0x40 [ 76.698530][ T5039] dump_stack_lvl+0xf4/0x15c [ 76.699196][ T5039] dump_stack+0x1c/0x5c [ 76.699804][ T5039] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 76.700619][ T5039] dccp_xmit_packet+0x298/0x448 [ 76.701285][ T5039] dccp_write_xmit+0x118/0x1d0 [ 76.701968][ T5039] dccp_sendmsg+0x550/0x8b8 [ 76.702655][ T5039] inet_sendmsg+0x154/0x284 [ 76.703310][ T5039] __sys_sendto+0x30c/0x420 [ 76.703981][ T5039] __arm64_sys_sendto+0xd8/0xf8 [ 76.704642][ T5039] invoke_syscall+0x98/0x2b0 [ 76.705349][ T5039] el0_svc_common+0x138/0x258 [ 76.706057][ T5039] do_el0_svc+0x58/0x13c [ 76.706686][ T5039] el0_svc+0x78/0x1d0 [ 76.707289][ T5039] el0t_64_sync_handler+0xcc/0xe4 [ 76.708073][ T5039] el0t_64_sync+0x1a0/0x1a4 [ 76.708918][ T5039] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 76.710551][ T5039] CPU: 1 PID: 5039 Comm: syz.0.28 Not tainted syzkaller #0 [ 76.711595][ T5039] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.713050][ T5039] Call trace: [ 76.713553][ T5039] dump_backtrace+0x0/0x458 [ 76.714212][ T5039] show_stack+0x2c/0x3c [ 76.714877][ T5039] __dump_stack+0x30/0x40 [ 76.715470][ T5039] dump_stack_lvl+0xf4/0x15c [ 76.716145][ T5039] dump_stack+0x1c/0x5c [ 76.716785][ T5039] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 76.717649][ T5039] dccp_xmit_packet+0x298/0x448 [ 76.718420][ T5039] dccp_write_xmit+0x118/0x1d0 [ 76.719099][ T5039] dccp_sendmsg+0x550/0x8b8 [ 76.719767][ T5039] inet_sendmsg+0x154/0x284 [ 76.720427][ T5039] __sys_sendto+0x30c/0x420 [ 76.721069][ T5039] __arm64_sys_sendto+0xd8/0xf8 [ 76.721721][ T5039] invoke_syscall+0x98/0x2b0 [ 76.722369][ T5039] el0_svc_common+0x138/0x258 [ 76.723044][ T5039] do_el0_svc+0x58/0x13c [ 76.723676][ T5039] el0_svc+0x78/0x1d0 [ 76.724241][ T5039] el0t_64_sync_handler+0xcc/0xe4 [ 76.724947][ T5039] el0t_64_sync+0x1a0/0x1a4 [ 76.725905][ T5039] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 76.727712][ T5039] CPU: 1 PID: 5039 Comm: syz.0.28 Not tainted syzkaller #0 [ 76.728804][ T5039] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.730383][ T5039] Call trace: [ 76.730882][ T5039] dump_backtrace+0x0/0x458 [ 76.731545][ T5039] show_stack+0x2c/0x3c [ 76.732175][ T5039] __dump_stack+0x30/0x40 [ 76.732811][ T5039] dump_stack_lvl+0xf4/0x15c [ 76.733515][ T5039] dump_stack+0x1c/0x5c [ 76.734148][ T5039] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 76.734909][ T5039] dccp_xmit_packet+0x298/0x448 [ 76.735663][ T5039] dccp_write_xmit+0x118/0x1d0 [ 76.736434][ T5039] dccp_sendmsg+0x550/0x8b8 [ 76.737113][ T5039] inet_sendmsg+0x154/0x284 [ 76.737792][ T5039] __sys_sendto+0x30c/0x420 [ 76.738458][ T5039] __arm64_sys_sendto+0xd8/0xf8 [ 76.739236][ T5039] invoke_syscall+0x98/0x2b0 [ 76.739915][ T5039] el0_svc_common+0x138/0x258 [ 76.740596][ T5039] do_el0_svc+0x58/0x13c [ 76.741211][ T5039] el0_svc+0x78/0x1d0 [ 76.741801][ T5039] el0t_64_sync_handler+0xcc/0xe4 [ 76.742561][ T5039] el0t_64_sync+0x1a0/0x1a4 [ 76.773402][ T5043] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 76.775583][ T5043] CPU: 0 PID: 5043 Comm: syz.0.30 Not tainted syzkaller #0 [ 76.776736][ T5043] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.778309][ T5043] Call trace: [ 76.778788][ T5043] dump_backtrace+0x0/0x458 [ 76.779453][ T5043] show_stack+0x2c/0x3c [ 76.780075][ T5043] __dump_stack+0x30/0x40 [ 76.780737][ T5043] dump_stack_lvl+0xf4/0x15c [ 76.781405][ T5043] dump_stack+0x1c/0x5c [ 76.782047][ T5043] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 76.782807][ T5043] dccp_xmit_packet+0x298/0x448 [ 76.783511][ T5043] dccp_write_xmit+0x118/0x1d0 [ 76.784208][ T5043] dccp_sendmsg+0x550/0x8b8 [ 76.784907][ T5043] inet_sendmsg+0x154/0x284 [ 76.785608][ T5043] __sys_sendto+0x30c/0x420 [ 76.786270][ T5043] __arm64_sys_sendto+0xd8/0xf8 [ 76.787001][ T5043] invoke_syscall+0x98/0x2b0 [ 76.787760][ T5043] el0_svc_common+0x138/0x258 [ 76.788475][ T5043] do_el0_svc+0x58/0x13c [ 76.789163][ T5043] el0_svc+0x78/0x1d0 [ 76.789783][ T5043] el0t_64_sync_handler+0xcc/0xe4 [ 76.790558][ T5043] el0t_64_sync+0x1a0/0x1a4 [ 76.792553][ T5043] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 76.794281][ T5043] CPU: 0 PID: 5043 Comm: syz.0.30 Not tainted syzkaller #0 [ 76.795376][ T5043] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.796839][ T5043] Call trace: [ 76.797329][ T5043] dump_backtrace+0x0/0x458 [ 76.798013][ T5043] show_stack+0x2c/0x3c [ 76.798604][ T5043] __dump_stack+0x30/0x40 [ 76.799211][ T5043] dump_stack_lvl+0xf4/0x15c [ 76.799849][ T5043] dump_stack+0x1c/0x5c [ 76.800459][ T5043] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 76.801288][ T5043] dccp_xmit_packet+0x298/0x448 [ 76.801984][ T5043] dccp_write_xmit+0x118/0x1d0 [ 76.802636][ T5043] dccp_sendmsg+0x550/0x8b8 [ 76.803262][ T5043] inet_sendmsg+0x154/0x284 [ 76.803934][ T5043] __sys_sendto+0x30c/0x420 [ 76.804647][ T5043] __arm64_sys_sendto+0xd8/0xf8 [ 76.805404][ T5043] invoke_syscall+0x98/0x2b0 [ 76.806076][ T5043] el0_svc_common+0x138/0x258 [ 76.806775][ T5043] do_el0_svc+0x58/0x13c [ 76.807431][ T5043] el0_svc+0x78/0x1d0 [ 76.808027][ T5043] el0t_64_sync_handler+0xcc/0xe4 [ 76.808788][ T5043] el0t_64_sync+0x1a0/0x1a4 [ 76.810135][ T5043] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 76.811815][ T5043] CPU: 0 PID: 5043 Comm: syz.0.30 Not tainted syzkaller #0 [ 76.812882][ T5043] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.814436][ T5043] Call trace: [ 76.814955][ T5043] dump_backtrace+0x0/0x458 [ 76.815659][ T5043] show_stack+0x2c/0x3c [ 76.816286][ T5043] __dump_stack+0x30/0x40 [ 76.816966][ T5043] dump_stack_lvl+0xf4/0x15c [ 76.817681][ T5043] dump_stack+0x1c/0x5c [ 76.818303][ T5043] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 76.819159][ T5043] dccp_xmit_packet+0x298/0x448 [ 76.819891][ T5043] dccp_write_xmit+0x118/0x1d0 [ 76.820631][ T5043] dccp_sendmsg+0x550/0x8b8 [ 76.821342][ T5043] inet_sendmsg+0x154/0x284 [ 76.822011][ T5043] __sys_sendto+0x30c/0x420 [ 76.822701][ T5043] __arm64_sys_sendto+0xd8/0xf8 [ 76.823429][ T5043] invoke_syscall+0x98/0x2b0 [ 76.824126][ T5043] el0_svc_common+0x138/0x258 [ 76.824847][ T5043] do_el0_svc+0x58/0x13c [ 76.825449][ T5043] el0_svc+0x78/0x1d0 [ 76.826091][ T5043] el0t_64_sync_handler+0xcc/0xe4 [ 76.826805][ T5043] el0t_64_sync+0x1a0/0x1a4 [ 76.828111][ T5043] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 76.829791][ T5043] CPU: 0 PID: 5043 Comm: syz.0.30 Not tainted syzkaller #0 [ 76.830859][ T5043] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.832460][ T5043] Call trace: [ 76.832939][ T5043] dump_backtrace+0x0/0x458 [ 76.833607][ T5043] show_stack+0x2c/0x3c [ 76.834186][ T5043] __dump_stack+0x30/0x40 [ 76.834845][ T5043] dump_stack_lvl+0xf4/0x15c [ 76.835573][ T5043] dump_stack+0x1c/0x5c [ 76.836181][ T5043] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 76.837019][ T5043] dccp_xmit_packet+0x298/0x448 [ 76.837789][ T5043] dccp_write_xmit+0x118/0x1d0 [ 76.838510][ T5043] dccp_sendmsg+0x550/0x8b8 [ 76.839200][ T5043] inet_sendmsg+0x154/0x284 [ 76.839816][ T5043] __sys_sendto+0x30c/0x420 [ 76.840513][ T5043] __arm64_sys_sendto+0xd8/0xf8 [ 76.841263][ T5043] invoke_syscall+0x98/0x2b0 [ 76.841972][ T5043] el0_svc_common+0x138/0x258 [ 76.842665][ T5043] do_el0_svc+0x58/0x13c [ 76.843319][ T5043] el0_svc+0x78/0x1d0 [ 76.843896][ T5043] el0t_64_sync_handler+0xcc/0xe4 [ 76.844643][ T5043] el0t_64_sync+0x1a0/0x1a4 [ 76.845463][ T5043] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 76.847178][ T5043] CPU: 0 PID: 5043 Comm: syz.0.30 Not tainted syzkaller #0 [ 76.848213][ T5043] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.849736][ T5043] Call trace: [ 76.850221][ T5043] dump_backtrace+0x0/0x458 [ 76.850887][ T5043] show_stack+0x2c/0x3c [ 76.851475][ T5043] __dump_stack+0x30/0x40 [ 76.852086][ T5043] dump_stack_lvl+0xf4/0x15c [ 76.852758][ T5043] dump_stack+0x1c/0x5c [ 76.853412][ T5043] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 76.854212][ T5043] dccp_xmit_packet+0x298/0x448 [ 76.854953][ T5043] dccp_write_xmit+0x118/0x1d0 [ 76.855679][ T5043] dccp_sendmsg+0x550/0x8b8 [ 76.856364][ T5043] inet_sendmsg+0x154/0x284 [ 76.857046][ T5043] __sys_sendto+0x30c/0x420 [ 76.857717][ T5043] __arm64_sys_sendto+0xd8/0xf8 [ 76.858438][ T5043] invoke_syscall+0x98/0x2b0 [ 76.859089][ T5043] el0_svc_common+0x138/0x258 [ 76.859763][ T5043] do_el0_svc+0x58/0x13c [ 76.860347][ T5043] el0_svc+0x78/0x1d0 [ 76.860937][ T5043] el0t_64_sync_handler+0xcc/0xe4 [ 76.861762][ T5043] el0t_64_sync+0x1a0/0x1a4 [ 76.862949][ T5043] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 76.864800][ T5043] CPU: 0 PID: 5043 Comm: syz.0.30 Not tainted syzkaller #0 [ 76.865805][ T5043] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.867221][ T5043] Call trace: [ 76.867673][ T5043] dump_backtrace+0x0/0x458 [ 76.868297][ T5043] show_stack+0x2c/0x3c [ 76.868905][ T5043] __dump_stack+0x30/0x40 [ 76.869561][ T5043] dump_stack_lvl+0xf4/0x15c [ 76.870193][ T5043] dump_stack+0x1c/0x5c [ 76.870803][ T5043] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 76.871576][ T5043] dccp_xmit_packet+0x298/0x448 [ 76.872251][ T5043] dccp_write_xmit+0x118/0x1d0 [ 76.872914][ T5043] dccp_sendmsg+0x550/0x8b8 [ 76.873578][ T5043] inet_sendmsg+0x154/0x284 [ 76.874197][ T5043] __sys_sendto+0x30c/0x420 [ 76.874882][ T5043] __arm64_sys_sendto+0xd8/0xf8 [ 76.875610][ T5043] invoke_syscall+0x98/0x2b0 [ 76.876278][ T5043] el0_svc_common+0x138/0x258 [ 76.876961][ T5043] do_el0_svc+0x58/0x13c [ 76.877592][ T5043] el0_svc+0x78/0x1d0 [ 76.878162][ T5043] el0t_64_sync_handler+0xcc/0xe4 [ 76.878929][ T5043] el0t_64_sync+0x1a0/0x1a4 [ 76.879779][ T5043] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 76.881397][ T5043] CPU: 0 PID: 5043 Comm: syz.0.30 Not tainted syzkaller #0 [ 76.882428][ T5043] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.883920][ T5043] Call trace: [ 76.884403][ T5043] dump_backtrace+0x0/0x458 [ 76.885090][ T5043] show_stack+0x2c/0x3c [ 76.885666][ T5043] __dump_stack+0x30/0x40 [ 76.886359][ T5043] dump_stack_lvl+0xf4/0x15c [ 76.887032][ T5043] dump_stack+0x1c/0x5c [ 76.887669][ T5043] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 76.888496][ T5043] dccp_xmit_packet+0x298/0x448 [ 76.889222][ T5043] dccp_write_xmit+0x118/0x1d0 [ 76.889931][ T5043] dccp_sendmsg+0x550/0x8b8 [ 76.890546][ T5043] inet_sendmsg+0x154/0x284 [ 76.891177][ T5043] __sys_sendto+0x30c/0x420 [ 76.891827][ T5043] __arm64_sys_sendto+0xd8/0xf8 [ 76.892579][ T5043] invoke_syscall+0x98/0x2b0 [ 76.893263][ T5043] el0_svc_common+0x138/0x258 [ 76.893985][ T5043] do_el0_svc+0x58/0x13c [ 76.894648][ T5043] el0_svc+0x78/0x1d0 [ 76.895245][ T5043] el0t_64_sync_handler+0xcc/0xe4 [ 76.895964][ T5043] el0t_64_sync+0x1a0/0x1a4 [ 76.896834][ T5043] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 76.898429][ T5043] CPU: 0 PID: 5043 Comm: syz.0.30 Not tainted syzkaller #0 [ 76.899394][ T5043] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.900847][ T5043] Call trace: [ 76.901337][ T5043] dump_backtrace+0x0/0x458 [ 76.901971][ T5043] show_stack+0x2c/0x3c [ 76.902581][ T5043] __dump_stack+0x30/0x40 [ 76.903224][ T5043] dump_stack_lvl+0xf4/0x15c [ 76.903934][ T5043] dump_stack+0x1c/0x5c [ 76.904562][ T5043] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 76.905362][ T5043] dccp_xmit_packet+0x298/0x448 [ 76.906068][ T5043] dccp_write_xmit+0x118/0x1d0 [ 76.906727][ T5043] dccp_sendmsg+0x550/0x8b8 [ 76.907377][ T5043] inet_sendmsg+0x154/0x284 [ 76.908041][ T5043] __sys_sendto+0x30c/0x420 [ 76.908677][ T5043] __arm64_sys_sendto+0xd8/0xf8 [ 76.909350][ T5043] invoke_syscall+0x98/0x2b0 [ 76.910049][ T5043] el0_svc_common+0x138/0x258 [ 76.910751][ T5043] do_el0_svc+0x58/0x13c [ 76.911339][ T5043] el0_svc+0x78/0x1d0 [ 76.911928][ T5043] el0t_64_sync_handler+0xcc/0xe4 [ 76.912638][ T5043] el0t_64_sync+0x1a0/0x1a4 [ 76.913403][ T5043] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 76.915229][ T5043] CPU: 0 PID: 5043 Comm: syz.0.30 Not tainted syzkaller #0 [ 76.916234][ T5043] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.917738][ T5043] Call trace: [ 76.918189][ T5043] dump_backtrace+0x0/0x458 [ 76.918817][ T5043] show_stack+0x2c/0x3c [ 76.919407][ T5043] __dump_stack+0x30/0x40 [ 76.920070][ T5043] dump_stack_lvl+0xf4/0x15c [ 76.920734][ T5043] dump_stack+0x1c/0x5c [ 76.921354][ T5043] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 76.922135][ T5043] dccp_xmit_packet+0x298/0x448 [ 76.922795][ T5043] dccp_write_xmit+0x118/0x1d0 [ 76.923465][ T5043] dccp_sendmsg+0x550/0x8b8 [ 76.924062][ T5043] inet_sendmsg+0x154/0x284 [ 76.924758][ T5043] __sys_sendto+0x30c/0x420 [ 76.925461][ T5043] __arm64_sys_sendto+0xd8/0xf8 [ 76.926179][ T5043] invoke_syscall+0x98/0x2b0 [ 76.926879][ T5043] el0_svc_common+0x138/0x258 [ 76.927554][ T5043] do_el0_svc+0x58/0x13c [ 76.928156][ T5043] el0_svc+0x78/0x1d0 [ 76.928718][ T5043] el0t_64_sync_handler+0xcc/0xe4 [ 76.929403][ T5043] el0t_64_sync+0x1a0/0x1a4 [ 76.930328][ T5043] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 76.932021][ T5043] CPU: 0 PID: 5043 Comm: syz.0.30 Not tainted syzkaller #0 [ 76.933245][ T5043] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.934807][ T5043] Call trace: [ 76.935329][ T5043] dump_backtrace+0x0/0x458 [ 76.935963][ T5043] show_stack+0x2c/0x3c [ 76.936593][ T5043] __dump_stack+0x30/0x40 [ 76.937241][ T5043] dump_stack_lvl+0xf4/0x15c [ 76.937915][ T5043] dump_stack+0x1c/0x5c [ 76.938517][ T5043] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 76.939265][ T5043] dccp_xmit_packet+0x298/0x448 [ 76.939943][ T5043] dccp_write_xmit+0x118/0x1d0 [ 76.940605][ T5043] dccp_sendmsg+0x550/0x8b8 [ 76.941252][ T5043] inet_sendmsg+0x154/0x284 [ 76.941891][ T5043] __sys_sendto+0x30c/0x420 [ 76.942563][ T5043] __arm64_sys_sendto+0xd8/0xf8 [ 76.943239][ T5043] invoke_syscall+0x98/0x2b0 [ 76.943866][ T5043] el0_svc_common+0x138/0x258 [ 76.944517][ T5043] do_el0_svc+0x58/0x13c [ 76.945097][ T5043] el0_svc+0x78/0x1d0 [ 76.945657][ T5043] el0t_64_sync_handler+0xcc/0xe4 [ 76.946396][ T5043] el0t_64_sync+0x1a0/0x1a4 [ 76.947290][ T5043] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 76.948862][ T5043] CPU: 0 PID: 5043 Comm: syz.0.30 Not tainted syzkaller #0 [ 76.949920][ T5043] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.951393][ T5043] Call trace: [ 76.951845][ T5043] dump_backtrace+0x0/0x458 [ 76.952480][ T5043] show_stack+0x2c/0x3c [ 76.953050][ T5043] __dump_stack+0x30/0x40 [ 76.953694][ T5043] dump_stack_lvl+0xf4/0x15c [ 76.954348][ T5043] dump_stack+0x1c/0x5c [ 76.954955][ T5043] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 76.955742][ T5043] dccp_xmit_packet+0x298/0x448 [ 76.956472][ T5043] dccp_write_xmit+0x118/0x1d0 [ 76.957188][ T5043] dccp_sendmsg+0x550/0x8b8 [ 76.957807][ T5043] inet_sendmsg+0x154/0x284 [ 76.958492][ T5043] __sys_sendto+0x30c/0x420 [ 76.959133][ T5043] __arm64_sys_sendto+0xd8/0xf8 [ 76.959901][ T5043] invoke_syscall+0x98/0x2b0 [ 76.960589][ T5043] el0_svc_common+0x138/0x258 [ 76.961277][ T5043] do_el0_svc+0x58/0x13c [ 76.961846][ T5043] el0_svc+0x78/0x1d0 [ 76.962385][ T5043] el0t_64_sync_handler+0xcc/0xe4 [ 76.963076][ T5043] el0t_64_sync+0x1a0/0x1a4 [ 76.963906][ T5043] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 76.965998][ T5043] CPU: 0 PID: 5043 Comm: syz.0.30 Not tainted syzkaller #0 [ 76.967087][ T5043] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.968542][ T5043] Call trace: [ 76.969025][ T5043] dump_backtrace+0x0/0x458 [ 76.969708][ T5043] show_stack+0x2c/0x3c [ 76.970285][ T5043] __dump_stack+0x30/0x40 [ 76.970901][ T5043] dump_stack_lvl+0xf4/0x15c [ 76.971633][ T5043] dump_stack+0x1c/0x5c [ 76.972203][ T5043] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 76.972988][ T5043] dccp_xmit_packet+0x298/0x448 [ 76.973694][ T5043] dccp_write_xmit+0x118/0x1d0 [ 76.974354][ T5043] dccp_sendmsg+0x550/0x8b8 [ 76.975032][ T5043] inet_sendmsg+0x154/0x284 [ 76.975712][ T5043] __sys_sendto+0x30c/0x420 [ 76.976395][ T5043] __arm64_sys_sendto+0xd8/0xf8 [ 76.977142][ T5043] invoke_syscall+0x98/0x2b0 [ 76.977809][ T5043] el0_svc_common+0x138/0x258 [ 76.978499][ T5043] do_el0_svc+0x58/0x13c [ 76.979082][ T5043] el0_svc+0x78/0x1d0 [ 76.979668][ T5043] el0t_64_sync_handler+0xcc/0xe4 [ 76.980384][ T5043] el0t_64_sync+0x1a0/0x1a4 [ 76.981816][ T5043] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 76.983339][ T5043] CPU: 0 PID: 5043 Comm: syz.0.30 Not tainted syzkaller #0 [ 76.984372][ T5043] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.985852][ T5043] Call trace: [ 76.986362][ T5043] dump_backtrace+0x0/0x458 [ 76.987044][ T5043] show_stack+0x2c/0x3c [ 76.987700][ T5043] __dump_stack+0x30/0x40 [ 76.988305][ T5043] dump_stack_lvl+0xf4/0x15c [ 76.988951][ T5043] dump_stack+0x1c/0x5c [ 76.989519][ T5043] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 76.990291][ T5043] dccp_xmit_packet+0x298/0x448 [ 76.991090][ T5043] dccp_write_xmit+0x118/0x1d0 [ 76.991766][ T5043] dccp_sendmsg+0x550/0x8b8 [ 76.992438][ T5043] inet_sendmsg+0x154/0x284 [ 76.993067][ T5043] __sys_sendto+0x30c/0x420 [ 76.993694][ T5043] __arm64_sys_sendto+0xd8/0xf8 [ 76.994371][ T5043] invoke_syscall+0x98/0x2b0 [ 76.995013][ T5043] el0_svc_common+0x138/0x258 [ 76.995679][ T5043] do_el0_svc+0x58/0x13c [ 76.996317][ T5043] el0_svc+0x78/0x1d0 [ 76.996935][ T5043] el0t_64_sync_handler+0xcc/0xe4 [ 76.997651][ T5043] el0t_64_sync+0x1a0/0x1a4 [ 76.999053][ T5043] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 77.000707][ T5043] CPU: 0 PID: 5043 Comm: syz.0.30 Not tainted syzkaller #0 [ 77.001726][ T5043] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.003158][ T5043] Call trace: [ 77.003642][ T5043] dump_backtrace+0x0/0x458 [ 77.004287][ T5043] show_stack+0x2c/0x3c [ 77.004924][ T5043] __dump_stack+0x30/0x40 [ 77.005541][ T5043] dump_stack_lvl+0xf4/0x15c [ 77.006220][ T5043] dump_stack+0x1c/0x5c [ 77.006840][ T5043] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 77.007611][ T5043] dccp_xmit_packet+0x298/0x448 [ 77.008325][ T5043] dccp_write_xmit+0x118/0x1d0 [ 77.008981][ T5043] dccp_sendmsg+0x550/0x8b8 [ 77.009658][ T5043] inet_sendmsg+0x154/0x284 [ 77.010268][ T5043] __sys_sendto+0x30c/0x420 [ 77.010972][ T5043] __arm64_sys_sendto+0xd8/0xf8 [ 77.011705][ T5043] invoke_syscall+0x98/0x2b0 [ 77.012376][ T5043] el0_svc_common+0x138/0x258 [ 77.013077][ T5043] do_el0_svc+0x58/0x13c [ 77.013697][ T5043] el0_svc+0x78/0x1d0 [ 77.014302][ T5043] el0t_64_sync_handler+0xcc/0xe4 [ 77.015056][ T5043] el0t_64_sync+0x1a0/0x1a4 [ 77.015830][ T5043] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 77.017444][ T5043] CPU: 0 PID: 5043 Comm: syz.0.30 Not tainted syzkaller #0 [ 77.018425][ T5043] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.019865][ T5043] Call trace: [ 77.020387][ T5043] dump_backtrace+0x0/0x458 [ 77.021022][ T5043] show_stack+0x2c/0x3c [ 77.021594][ T5043] __dump_stack+0x30/0x40 [ 77.022285][ T5043] dump_stack_lvl+0xf4/0x15c [ 77.022955][ T5043] dump_stack+0x1c/0x5c [ 77.023550][ T5043] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 77.024293][ T5043] dccp_xmit_packet+0x298/0x448 [ 77.025018][ T5043] dccp_write_xmit+0x118/0x1d0 [ 77.025673][ T5043] dccp_sendmsg+0x550/0x8b8 [ 77.026379][ T5043] inet_sendmsg+0x154/0x284 [ 77.027052][ T5043] __sys_sendto+0x30c/0x420 [ 77.027753][ T5043] __arm64_sys_sendto+0xd8/0xf8 [ 77.028502][ T5043] invoke_syscall+0x98/0x2b0 [ 77.029192][ T5043] el0_svc_common+0x138/0x258 [ 77.029909][ T5043] do_el0_svc+0x58/0x13c [ 77.030539][ T5043] el0_svc+0x78/0x1d0 [ 77.031207][ T5043] el0t_64_sync_handler+0xcc/0xe4 [ 77.032056][ T5043] el0t_64_sync+0x1a0/0x1a4 [ 77.033015][ T5043] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 77.034848][ T5043] CPU: 0 PID: 5043 Comm: syz.0.30 Not tainted syzkaller #0 [ 77.035879][ T5043] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.037275][ T5043] Call trace: [ 77.037738][ T5043] dump_backtrace+0x0/0x458 [ 77.038412][ T5043] show_stack+0x2c/0x3c [ 77.038984][ T5043] __dump_stack+0x30/0x40 [ 77.039597][ T5043] dump_stack_lvl+0xf4/0x15c [ 77.040304][ T5043] dump_stack+0x1c/0x5c [ 77.040875][ T5043] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 77.041655][ T5043] dccp_xmit_packet+0x298/0x448 [ 77.042365][ T5043] dccp_write_xmit+0x118/0x1d0 [ 77.043050][ T5043] dccp_sendmsg+0x550/0x8b8 [ 77.043708][ T5043] inet_sendmsg+0x154/0x284 [ 77.044416][ T5043] __sys_sendto+0x30c/0x420 [ 77.045096][ T5043] __arm64_sys_sendto+0xd8/0xf8 [ 77.045832][ T5043] invoke_syscall+0x98/0x2b0 [ 77.046536][ T5043] el0_svc_common+0x138/0x258 [ 77.047172][ T5043] do_el0_svc+0x58/0x13c [ 77.047808][ T5043] el0_svc+0x78/0x1d0 [ 77.048393][ T5043] el0t_64_sync_handler+0xcc/0xe4 [ 77.049168][ T5043] el0t_64_sync+0x1a0/0x1a4 [ 77.049974][ T5043] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 77.051606][ T5043] CPU: 0 PID: 5043 Comm: syz.0.30 Not tainted syzkaller #0 [ 77.052651][ T5043] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.054060][ T5043] Call trace: [ 77.054519][ T5043] dump_backtrace+0x0/0x458 [ 77.055195][ T5043] show_stack+0x2c/0x3c [ 77.055830][ T5043] __dump_stack+0x30/0x40 [ 77.056460][ T5043] dump_stack_lvl+0xf4/0x15c [ 77.057110][ T5043] dump_stack+0x1c/0x5c [ 77.057703][ T5043] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 77.058535][ T5043] dccp_xmit_packet+0x298/0x448 [ 77.059292][ T5043] dccp_write_xmit+0x118/0x1d0 [ 77.059974][ T5043] dccp_sendmsg+0x550/0x8b8 [ 77.060653][ T5043] inet_sendmsg+0x154/0x284 [ 77.061393][ T5043] __sys_sendto+0x30c/0x420 [ 77.062077][ T5043] __arm64_sys_sendto+0xd8/0xf8 [ 77.062775][ T5043] invoke_syscall+0x98/0x2b0 [ 77.063420][ T5043] el0_svc_common+0x138/0x258 [ 77.064052][ T5043] do_el0_svc+0x58/0x13c [ 77.064657][ T5043] el0_svc+0x78/0x1d0 [ 77.065189][ T5043] el0t_64_sync_handler+0xcc/0xe4 [ 77.065940][ T5043] el0t_64_sync+0x1a0/0x1a4 [ 77.066911][ T5043] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 77.068433][ T5043] CPU: 0 PID: 5043 Comm: syz.0.30 Not tainted syzkaller #0 [ 77.069464][ T5043] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.070921][ T5043] Call trace: [ 77.071423][ T5043] dump_backtrace+0x0/0x458 [ 77.072103][ T5043] show_stack+0x2c/0x3c [ 77.072662][ T5043] __dump_stack+0x30/0x40 [ 77.073233][ T5043] dump_stack_lvl+0xf4/0x15c [ 77.073924][ T5043] dump_stack+0x1c/0x5c [ 77.074499][ T5043] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 77.075293][ T5043] dccp_xmit_packet+0x298/0x448 [ 77.075989][ T5043] dccp_write_xmit+0x118/0x1d0 [ 77.076782][ T5043] dccp_sendmsg+0x550/0x8b8 [ 77.077485][ T5043] inet_sendmsg+0x154/0x284 [ 77.078178][ T5043] __sys_sendto+0x30c/0x420 [ 77.078865][ T5043] __arm64_sys_sendto+0xd8/0xf8 [ 77.079589][ T5043] invoke_syscall+0x98/0x2b0 [ 77.080274][ T5043] el0_svc_common+0x138/0x258 [ 77.080964][ T5043] do_el0_svc+0x58/0x13c [ 77.081547][ T5043] el0_svc+0x78/0x1d0 [ 77.082128][ T5043] el0t_64_sync_handler+0xcc/0xe4 [ 77.082877][ T5043] el0t_64_sync+0x1a0/0x1a4 [ 77.084204][ T5043] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 77.086029][ T5043] CPU: 0 PID: 5043 Comm: syz.0.30 Not tainted syzkaller #0 [ 77.087010][ T5043] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.088415][ T5043] Call trace: [ 77.088859][ T5043] dump_backtrace+0x0/0x458 [ 77.089496][ T5043] show_stack+0x2c/0x3c [ 77.090070][ T5043] __dump_stack+0x30/0x40 [ 77.090668][ T5043] dump_stack_lvl+0xf4/0x15c [ 77.091290][ T5043] dump_stack+0x1c/0x5c [ 77.091828][ T5043] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 77.092553][ T5043] dccp_xmit_packet+0x298/0x448 [ 77.093202][ T5043] dccp_write_xmit+0x118/0x1d0 [ 77.093929][ T5043] dccp_sendmsg+0x550/0x8b8 [ 77.094594][ T5043] inet_sendmsg+0x154/0x284 [ 77.095310][ T5043] __sys_sendto+0x30c/0x420 [ 77.096043][ T5043] __arm64_sys_sendto+0xd8/0xf8 [ 77.096700][ T5043] invoke_syscall+0x98/0x2b0 [ 77.097372][ T5043] el0_svc_common+0x138/0x258 [ 77.098081][ T5043] do_el0_svc+0x58/0x13c [ 77.098711][ T5043] el0_svc+0x78/0x1d0 [ 77.099328][ T5043] el0t_64_sync_handler+0xcc/0xe4 [ 77.100032][ T5043] el0t_64_sync+0x1a0/0x1a4 [ 77.117205][ T5045] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 77.118928][ T5045] CPU: 1 PID: 5045 Comm: syz.0.31 Not tainted syzkaller #0 [ 77.119962][ T5045] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.121336][ T5045] Call trace: [ 77.121771][ T5045] dump_backtrace+0x0/0x458 [ 77.122366][ T5045] show_stack+0x2c/0x3c [ 77.122954][ T5045] __dump_stack+0x30/0x40 [ 77.123613][ T5045] dump_stack_lvl+0xf4/0x15c [ 77.124321][ T5045] dump_stack+0x1c/0x5c [ 77.124944][ T5045] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 77.125748][ T5045] dccp_xmit_packet+0x298/0x448 [ 77.126479][ T5045] dccp_write_xmit+0x118/0x1d0 [ 77.127211][ T5045] dccp_sendmsg+0x550/0x8b8 [ 77.127867][ T5045] inet_sendmsg+0x154/0x284 [ 77.128564][ T5045] __sys_sendto+0x30c/0x420 [ 77.129224][ T5045] __arm64_sys_sendto+0xd8/0xf8 [ 77.129980][ T5045] invoke_syscall+0x98/0x2b0 [ 77.130709][ T5045] el0_svc_common+0x138/0x258 [ 77.131395][ T5045] do_el0_svc+0x58/0x13c [ 77.132014][ T5045] el0_svc+0x78/0x1d0 [ 77.132587][ T5045] el0t_64_sync_handler+0xcc/0xe4 [ 77.133290][ T5045] el0t_64_sync+0x1a0/0x1a4 [ 77.134975][ T5045] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 77.136752][ T5045] CPU: 1 PID: 5045 Comm: syz.0.31 Not tainted syzkaller #0 [ 77.137802][ T5045] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.139313][ T5045] Call trace: [ 77.139773][ T5045] dump_backtrace+0x0/0x458 [ 77.140415][ T5045] show_stack+0x2c/0x3c [ 77.141005][ T5045] __dump_stack+0x30/0x40 [ 77.141639][ T5045] dump_stack_lvl+0xf4/0x15c [ 77.142314][ T5045] dump_stack+0x1c/0x5c [ 77.142952][ T5045] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 77.143773][ T5045] dccp_xmit_packet+0x298/0x448 [ 77.144499][ T5045] dccp_write_xmit+0x118/0x1d0 [ 77.145258][ T5045] dccp_sendmsg+0x550/0x8b8 [ 77.145969][ T5045] inet_sendmsg+0x154/0x284 [ 77.146646][ T5045] __sys_sendto+0x30c/0x420 [ 77.147302][ T5045] __arm64_sys_sendto+0xd8/0xf8 [ 77.148043][ T5045] invoke_syscall+0x98/0x2b0 [ 77.148792][ T5045] el0_svc_common+0x138/0x258 [ 77.149518][ T5045] do_el0_svc+0x58/0x13c [ 77.150263][ T5045] el0_svc+0x78/0x1d0 [ 77.150843][ T5045] el0t_64_sync_handler+0xcc/0xe4 [ 77.151593][ T5045] el0t_64_sync+0x1a0/0x1a4 [ 77.153669][ T5045] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 77.155605][ T5045] CPU: 0 PID: 5045 Comm: syz.0.31 Not tainted syzkaller #0 [ 77.156717][ T5045] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.158223][ T5045] Call trace: [ 77.158708][ T5045] dump_backtrace+0x0/0x458 [ 77.159415][ T5045] show_stack+0x2c/0x3c [ 77.160066][ T5045] __dump_stack+0x30/0x40 [ 77.160757][ T5045] dump_stack_lvl+0xf4/0x15c [ 77.161555][ T5045] dump_stack+0x1c/0x5c [ 77.162212][ T5045] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 77.163047][ T5045] dccp_xmit_packet+0x298/0x448 [ 77.163768][ T5045] dccp_write_xmit+0x118/0x1d0 [ 77.164460][ T5045] dccp_sendmsg+0x550/0x8b8 [ 77.165143][ T5045] inet_sendmsg+0x154/0x284 [ 77.165881][ T5045] __sys_sendto+0x30c/0x420 [ 77.166587][ T5045] __arm64_sys_sendto+0xd8/0xf8 [ 77.167328][ T5045] invoke_syscall+0x98/0x2b0 [ 77.168027][ T5045] el0_svc_common+0x138/0x258 [ 77.168774][ T5045] do_el0_svc+0x58/0x13c [ 77.169448][ T5045] el0_svc+0x78/0x1d0 [ 77.170051][ T5045] el0t_64_sync_handler+0xcc/0xe4 [ 77.170754][ T5045] el0t_64_sync+0x1a0/0x1a4 [ 77.172271][ T5045] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 77.173846][ T5045] CPU: 0 PID: 5045 Comm: syz.0.31 Not tainted syzkaller #0 [ 77.174923][ T5045] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.176389][ T5045] Call trace: [ 77.176833][ T5045] dump_backtrace+0x0/0x458 [ 77.177411][ T5045] show_stack+0x2c/0x3c [ 77.178021][ T5045] __dump_stack+0x30/0x40 [ 77.178595][ T5045] dump_stack_lvl+0xf4/0x15c [ 77.179243][ T5045] dump_stack+0x1c/0x5c [ 77.179863][ T5045] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 77.180589][ T5045] dccp_xmit_packet+0x298/0x448 [ 77.181316][ T5045] dccp_write_xmit+0x118/0x1d0 [ 77.181918][ T5045] dccp_sendmsg+0x550/0x8b8 [ 77.182551][ T5045] inet_sendmsg+0x154/0x284 [ 77.183189][ T5045] __sys_sendto+0x30c/0x420 [ 77.183832][ T5045] __arm64_sys_sendto+0xd8/0xf8 [ 77.184560][ T5045] invoke_syscall+0x98/0x2b0 [ 77.185302][ T5045] el0_svc_common+0x138/0x258 [ 77.185993][ T5045] do_el0_svc+0x58/0x13c [ 77.186657][ T5045] el0_svc+0x78/0x1d0 [ 77.187216][ T5045] el0t_64_sync_handler+0xcc/0xe4 [ 77.187939][ T5045] el0t_64_sync+0x1a0/0x1a4 [ 77.189080][ T5045] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 77.190715][ T5045] CPU: 0 PID: 5045 Comm: syz.0.31 Not tainted syzkaller #0 [ 77.191791][ T5045] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.193361][ T5045] Call trace: [ 77.193823][ T5045] dump_backtrace+0x0/0x458 [ 77.194450][ T5045] show_stack+0x2c/0x3c [ 77.195087][ T5045] __dump_stack+0x30/0x40 [ 77.195766][ T5045] dump_stack_lvl+0xf4/0x15c [ 77.196464][ T5045] dump_stack+0x1c/0x5c [ 77.197064][ T5045] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 77.197844][ T5045] dccp_xmit_packet+0x298/0x448 [ 77.198529][ T5045] dccp_write_xmit+0x118/0x1d0 [ 77.199230][ T5045] dccp_sendmsg+0x550/0x8b8 [ 77.199868][ T5045] inet_sendmsg+0x154/0x284 [ 77.200524][ T5045] __sys_sendto+0x30c/0x420 [ 77.201193][ T5045] __arm64_sys_sendto+0xd8/0xf8 [ 77.201884][ T5045] invoke_syscall+0x98/0x2b0 [ 77.202547][ T5045] el0_svc_common+0x138/0x258 [ 77.203235][ T5045] do_el0_svc+0x58/0x13c [ 77.203873][ T5045] el0_svc+0x78/0x1d0 [ 77.204396][ T5045] el0t_64_sync_handler+0xcc/0xe4 [ 77.205088][ T5045] el0t_64_sync+0x1a0/0x1a4 [ 77.206077][ T5045] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 77.207713][ T5045] CPU: 0 PID: 5045 Comm: syz.0.31 Not tainted syzkaller #0 [ 77.208752][ T5045] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.210188][ T5045] Call trace: [ 77.210694][ T5045] dump_backtrace+0x0/0x458 [ 77.211383][ T5045] show_stack+0x2c/0x3c [ 77.211958][ T5045] __dump_stack+0x30/0x40 [ 77.212599][ T5045] dump_stack_lvl+0xf4/0x15c [ 77.213227][ T5045] dump_stack+0x1c/0x5c [ 77.213754][ T5045] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 77.214522][ T5045] dccp_xmit_packet+0x298/0x448 [ 77.215194][ T5045] dccp_write_xmit+0x118/0x1d0 [ 77.215855][ T5045] dccp_sendmsg+0x550/0x8b8 [ 77.216531][ T5045] inet_sendmsg+0x154/0x284 [ 77.217245][ T5045] __sys_sendto+0x30c/0x420 [ 77.217901][ T5045] __arm64_sys_sendto+0xd8/0xf8 [ 77.218600][ T5045] invoke_syscall+0x98/0x2b0 [ 77.219373][ T5045] el0_svc_common+0x138/0x258 [ 77.220075][ T5045] do_el0_svc+0x58/0x13c [ 77.220661][ T5045] el0_svc+0x78/0x1d0 [ 77.221247][ T5045] el0t_64_sync_handler+0xcc/0xe4 [ 77.221972][ T5045] el0t_64_sync+0x1a0/0x1a4 [ 77.222857][ T5045] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 77.224832][ T5045] CPU: 0 PID: 5045 Comm: syz.0.31 Not tainted syzkaller #0 [ 77.225913][ T5045] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.227283][ T5045] Call trace: [ 77.227859][ T5045] dump_backtrace+0x0/0x458 [ 77.228538][ T5045] show_stack+0x2c/0x3c [ 77.229140][ T5045] __dump_stack+0x30/0x40 [ 77.229760][ T5045] dump_stack_lvl+0xf4/0x15c [ 77.230387][ T5045] dump_stack+0x1c/0x5c [ 77.230933][ T5045] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 77.231756][ T5045] dccp_xmit_packet+0x298/0x448 [ 77.232449][ T5045] dccp_write_xmit+0x118/0x1d0 [ 77.233113][ T5045] dccp_sendmsg+0x550/0x8b8 [ 77.233780][ T5045] inet_sendmsg+0x154/0x284 [ 77.234534][ T5045] __sys_sendto+0x30c/0x420 [ 77.235233][ T5045] __arm64_sys_sendto+0xd8/0xf8 [ 77.236020][ T5045] invoke_syscall+0x98/0x2b0 [ 77.236733][ T5045] el0_svc_common+0x138/0x258 [ 77.237440][ T5045] do_el0_svc+0x58/0x13c [ 77.238098][ T5045] el0_svc+0x78/0x1d0 [ 77.238657][ T5045] el0t_64_sync_handler+0xcc/0xe4 [ 77.239391][ T5045] el0t_64_sync+0x1a0/0x1a4 [ 77.240268][ T5045] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 77.241903][ T5045] CPU: 0 PID: 5045 Comm: syz.0.31 Not tainted syzkaller #0 [ 77.243007][ T5045] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.244464][ T5045] Call trace: [ 77.244944][ T5045] dump_backtrace+0x0/0x458 [ 77.245630][ T5045] show_stack+0x2c/0x3c [ 77.246242][ T5045] __dump_stack+0x30/0x40 [ 77.246905][ T5045] dump_stack_lvl+0xf4/0x15c [ 77.247595][ T5045] dump_stack+0x1c/0x5c [ 77.248255][ T5045] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 77.249054][ T5045] dccp_xmit_packet+0x298/0x448 [ 77.249777][ T5045] dccp_write_xmit+0x118/0x1d0 [ 77.250566][ T5045] dccp_sendmsg+0x550/0x8b8 [ 77.251185][ T5045] inet_sendmsg+0x154/0x284 [ 77.251843][ T5045] __sys_sendto+0x30c/0x420 [ 77.252500][ T5045] __arm64_sys_sendto+0xd8/0xf8 [ 77.253207][ T5045] invoke_syscall+0x98/0x2b0 [ 77.253849][ T5045] el0_svc_common+0x138/0x258 [ 77.254564][ T5045] do_el0_svc+0x58/0x13c [ 77.255251][ T5045] el0_svc+0x78/0x1d0 [ 77.255854][ T5045] el0t_64_sync_handler+0xcc/0xe4 [ 77.256616][ T5045] el0t_64_sync+0x1a0/0x1a4 [ 77.257524][ T5045] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 77.259160][ T5045] CPU: 0 PID: 5045 Comm: syz.0.31 Not tainted syzkaller #0 [ 77.260188][ T5045] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.261663][ T5045] Call trace: [ 77.262199][ T5045] dump_backtrace+0x0/0x458 [ 77.262894][ T5045] show_stack+0x2c/0x3c [ 77.263540][ T5045] __dump_stack+0x30/0x40 [ 77.264271][ T5045] dump_stack_lvl+0xf4/0x15c [ 77.264992][ T5045] dump_stack+0x1c/0x5c [ 77.265680][ T5045] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 77.266483][ T5045] dccp_xmit_packet+0x298/0x448 [ 77.267242][ T5045] dccp_write_xmit+0x118/0x1d0 [ 77.267973][ T5045] dccp_sendmsg+0x550/0x8b8 [ 77.268685][ T5045] inet_sendmsg+0x154/0x284 [ 77.269354][ T5045] __sys_sendto+0x30c/0x420 [ 77.270077][ T5045] __arm64_sys_sendto+0xd8/0xf8 [ 77.270821][ T5045] invoke_syscall+0x98/0x2b0 [ 77.271521][ T5045] el0_svc_common+0x138/0x258 [ 77.272326][ T5045] do_el0_svc+0x58/0x13c [ 77.273027][ T5045] el0_svc+0x78/0x1d0 [ 77.273616][ T5045] el0t_64_sync_handler+0xcc/0xe4 [ 77.274407][ T5045] el0t_64_sync+0x1a0/0x1a4 [ 77.275240][ T5045] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 77.276814][ T5045] CPU: 0 PID: 5045 Comm: syz.0.31 Not tainted syzkaller #0 [ 77.277938][ T5045] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.279398][ T5045] Call trace: [ 77.279832][ T5045] dump_backtrace+0x0/0x458 [ 77.280503][ T5045] show_stack+0x2c/0x3c [ 77.281082][ T5045] __dump_stack+0x30/0x40 [ 77.281687][ T5045] dump_stack_lvl+0xf4/0x15c [ 77.282377][ T5045] dump_stack+0x1c/0x5c [ 77.282994][ T5045] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 77.283817][ T5045] dccp_xmit_packet+0x298/0x448 [ 77.284530][ T5045] dccp_write_xmit+0x118/0x1d0 [ 77.285293][ T5045] dccp_sendmsg+0x550/0x8b8 [ 77.285951][ T5045] inet_sendmsg+0x154/0x284 [ 77.286617][ T5045] __sys_sendto+0x30c/0x420 [ 77.287280][ T5045] __arm64_sys_sendto+0xd8/0xf8 [ 77.287992][ T5045] invoke_syscall+0x98/0x2b0 [ 77.288712][ T5045] el0_svc_common+0x138/0x258 [ 77.289420][ T5045] do_el0_svc+0x58/0x13c [ 77.290046][ T5045] el0_svc+0x78/0x1d0 [ 77.290615][ T5045] el0t_64_sync_handler+0xcc/0xe4 [ 77.291409][ T5045] el0t_64_sync+0x1a0/0x1a4 [ 77.292258][ T5045] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 77.294073][ T5045] CPU: 0 PID: 5045 Comm: syz.0.31 Not tainted syzkaller #0 [ 77.295278][ T5045] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.296830][ T5045] Call trace: [ 77.297331][ T5045] dump_backtrace+0x0/0x458 [ 77.298048][ T5045] show_stack+0x2c/0x3c [ 77.298676][ T5045] __dump_stack+0x30/0x40 [ 77.299309][ T5045] dump_stack_lvl+0xf4/0x15c [ 77.300000][ T5045] dump_stack+0x1c/0x5c [ 77.300613][ T5045] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 77.301389][ T5045] dccp_xmit_packet+0x298/0x448 [ 77.302092][ T5045] dccp_write_xmit+0x118/0x1d0 [ 77.302760][ T5045] dccp_sendmsg+0x550/0x8b8 [ 77.303415][ T5045] inet_sendmsg+0x154/0x284 [ 77.304075][ T5045] __sys_sendto+0x30c/0x420 [ 77.304735][ T5045] __arm64_sys_sendto+0xd8/0xf8 [ 77.305494][ T5045] invoke_syscall+0x98/0x2b0 [ 77.306198][ T5045] el0_svc_common+0x138/0x258 [ 77.306892][ T5045] do_el0_svc+0x58/0x13c [ 77.307553][ T5045] el0_svc+0x78/0x1d0 [ 77.308135][ T5045] el0t_64_sync_handler+0xcc/0xe4 [ 77.308873][ T5045] el0t_64_sync+0x1a0/0x1a4 [ 77.310230][ T5045] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 77.311933][ T5045] CPU: 0 PID: 5045 Comm: syz.0.31 Not tainted syzkaller #0 [ 77.313064][ T5045] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.314604][ T5045] Call trace: [ 77.315095][ T5045] dump_backtrace+0x0/0x458 [ 77.315815][ T5045] show_stack+0x2c/0x3c [ 77.316474][ T5045] __dump_stack+0x30/0x40 [ 77.317075][ T5045] dump_stack_lvl+0xf4/0x15c [ 77.317779][ T5045] dump_stack+0x1c/0x5c [ 77.318380][ T5045] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 77.319144][ T5045] dccp_xmit_packet+0x298/0x448 [ 77.319887][ T5045] dccp_write_xmit+0x118/0x1d0 [ 77.320630][ T5045] dccp_sendmsg+0x550/0x8b8 [ 77.321253][ T5045] inet_sendmsg+0x154/0x284 [ 77.322021][ T5045] __sys_sendto+0x30c/0x420 [ 77.322704][ T5045] __arm64_sys_sendto+0xd8/0xf8 [ 77.323473][ T5045] invoke_syscall+0x98/0x2b0 [ 77.324242][ T5045] el0_svc_common+0x138/0x258 [ 77.324961][ T5045] do_el0_svc+0x58/0x13c [ 77.325667][ T5045] el0_svc+0x78/0x1d0 [ 77.326278][ T5045] el0t_64_sync_handler+0xcc/0xe4 [ 77.327055][ T5045] el0t_64_sync+0x1a0/0x1a4 [ 77.328004][ T5045] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 77.329642][ T5045] CPU: 0 PID: 5045 Comm: syz.0.31 Not tainted syzkaller #0 [ 77.330736][ T5045] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.332229][ T5045] Call trace: [ 77.332796][ T5045] dump_backtrace+0x0/0x458 [ 77.333480][ T5045] show_stack+0x2c/0x3c [ 77.334110][ T5045] __dump_stack+0x30/0x40 [ 77.334767][ T5045] dump_stack_lvl+0xf4/0x15c [ 77.335466][ T5045] dump_stack+0x1c/0x5c [ 77.336103][ T5045] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 77.336919][ T5045] dccp_xmit_packet+0x298/0x448 [ 77.337588][ T5045] dccp_write_xmit+0x118/0x1d0 [ 77.338380][ T5045] dccp_sendmsg+0x550/0x8b8 [ 77.339030][ T5045] inet_sendmsg+0x154/0x284 [ 77.339715][ T5045] __sys_sendto+0x30c/0x420 [ 77.340402][ T5045] __arm64_sys_sendto+0xd8/0xf8 [ 77.341145][ T5045] invoke_syscall+0x98/0x2b0 [ 77.341819][ T5045] el0_svc_common+0x138/0x258 [ 77.342505][ T5045] do_el0_svc+0x58/0x13c [ 77.343160][ T5045] el0_svc+0x78/0x1d0 [ 77.343726][ T5045] el0t_64_sync_handler+0xcc/0xe4 [ 77.344435][ T5045] el0t_64_sync+0x1a0/0x1a4 [ 77.360518][ T5047] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 77.362475][ T5047] CPU: 1 PID: 5047 Comm: syz.0.32 Not tainted syzkaller #0 [ 77.363631][ T5047] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.365168][ T5047] Call trace: [ 77.365708][ T5047] dump_backtrace+0x0/0x458 [ 77.366463][ T5047] show_stack+0x2c/0x3c [ 77.367115][ T5047] __dump_stack+0x30/0x40 [ 77.367809][ T5047] dump_stack_lvl+0xf4/0x15c [ 77.368495][ T5047] dump_stack+0x1c/0x5c [ 77.369112][ T5047] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 77.369952][ T5047] dccp_xmit_packet+0x298/0x448 [ 77.370766][ T5047] dccp_write_xmit+0x118/0x1d0 [ 77.371538][ T5047] dccp_sendmsg+0x550/0x8b8 [ 77.372199][ T5047] inet_sendmsg+0x154/0x284 [ 77.372887][ T5047] __sys_sendto+0x30c/0x420 [ 77.373552][ T5047] __arm64_sys_sendto+0xd8/0xf8 [ 77.374318][ T5047] invoke_syscall+0x98/0x2b0 [ 77.375021][ T5047] el0_svc_common+0x138/0x258 [ 77.375719][ T5047] do_el0_svc+0x58/0x13c [ 77.376326][ T5047] el0_svc+0x78/0x1d0 [ 77.376881][ T5047] el0t_64_sync_handler+0xcc/0xe4 [ 77.377610][ T5047] el0t_64_sync+0x1a0/0x1a4 [ 77.378495][ T5047] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 77.380176][ T5047] CPU: 1 PID: 5047 Comm: syz.0.32 Not tainted syzkaller #0 [ 77.381169][ T5047] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.382671][ T5047] Call trace: [ 77.383162][ T5047] dump_backtrace+0x0/0x458 [ 77.383842][ T5047] show_stack+0x2c/0x3c [ 77.384428][ T5047] __dump_stack+0x30/0x40 [ 77.385116][ T5047] dump_stack_lvl+0xf4/0x15c [ 77.385780][ T5047] dump_stack+0x1c/0x5c [ 77.386386][ T5047] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 77.387159][ T5047] dccp_xmit_packet+0x298/0x448 [ 77.387839][ T5047] dccp_write_xmit+0x118/0x1d0 [ 77.388532][ T5047] dccp_sendmsg+0x550/0x8b8 [ 77.389225][ T5047] inet_sendmsg+0x154/0x284 [ 77.389914][ T5047] __sys_sendto+0x30c/0x420 [ 77.390618][ T5047] __arm64_sys_sendto+0xd8/0xf8 [ 77.391332][ T5047] invoke_syscall+0x98/0x2b0 [ 77.392014][ T5047] el0_svc_common+0x138/0x258 [ 77.392683][ T5047] do_el0_svc+0x58/0x13c [ 77.393374][ T5047] el0_svc+0x78/0x1d0 [ 77.393918][ T5047] el0t_64_sync_handler+0xcc/0xe4 [ 77.394635][ T5047] el0t_64_sync+0x1a0/0x1a4 [ 77.395516][ T5047] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 77.397158][ T5047] CPU: 1 PID: 5047 Comm: syz.0.32 Not tainted syzkaller #0 [ 77.398257][ T5047] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.399823][ T5047] Call trace: [ 77.400343][ T5047] dump_backtrace+0x0/0x458 [ 77.400966][ T5047] show_stack+0x2c/0x3c [ 77.401556][ T5047] __dump_stack+0x30/0x40 [ 77.402172][ T5047] dump_stack_lvl+0xf4/0x15c [ 77.402806][ T5047] dump_stack+0x1c/0x5c [ 77.403402][ T5047] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 77.404146][ T5047] dccp_xmit_packet+0x298/0x448 [ 77.404854][ T5047] dccp_write_xmit+0x118/0x1d0 [ 77.405555][ T5047] dccp_sendmsg+0x550/0x8b8 [ 77.406188][ T5047] inet_sendmsg+0x154/0x284 [ 77.406845][ T5047] __sys_sendto+0x30c/0x420 [ 77.407485][ T5047] __arm64_sys_sendto+0xd8/0xf8 [ 77.408239][ T5047] invoke_syscall+0x98/0x2b0 [ 77.408911][ T5047] el0_svc_common+0x138/0x258 [ 77.409562][ T5047] do_el0_svc+0x58/0x13c [ 77.410230][ T5047] el0_svc+0x78/0x1d0 [ 77.410786][ T5047] el0t_64_sync_handler+0xcc/0xe4 [ 77.411535][ T5047] el0t_64_sync+0x1a0/0x1a4 [ 77.412433][ T5047] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 77.414305][ T5047] CPU: 1 PID: 5047 Comm: syz.0.32 Not tainted syzkaller #0 [ 77.415366][ T5047] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.416907][ T5047] Call trace: [ 77.417354][ T5047] dump_backtrace+0x0/0x458 [ 77.417948][ T5047] show_stack+0x2c/0x3c [ 77.418513][ T5047] __dump_stack+0x30/0x40 [ 77.419150][ T5047] dump_stack_lvl+0xf4/0x15c [ 77.419851][ T5047] dump_stack+0x1c/0x5c [ 77.420434][ T5047] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 77.421244][ T5047] dccp_xmit_packet+0x298/0x448 [ 77.421978][ T5047] dccp_write_xmit+0x118/0x1d0 [ 77.422657][ T5047] dccp_sendmsg+0x550/0x8b8 [ 77.423265][ T5047] inet_sendmsg+0x154/0x284 [ 77.423897][ T5047] __sys_sendto+0x30c/0x420 [ 77.424566][ T5047] __arm64_sys_sendto+0xd8/0xf8 [ 77.425291][ T5047] invoke_syscall+0x98/0x2b0 [ 77.425979][ T5047] el0_svc_common+0x138/0x258 [ 77.426624][ T5047] do_el0_svc+0x58/0x13c [ 77.427228][ T5047] el0_svc+0x78/0x1d0 [ 77.427805][ T5047] el0t_64_sync_handler+0xcc/0xe4 [ 77.428505][ T5047] el0t_64_sync+0x1a0/0x1a4 [ 77.429623][ T5047] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 77.431341][ T5047] CPU: 1 PID: 5047 Comm: syz.0.32 Not tainted syzkaller #0 [ 77.432508][ T5047] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.434146][ T5047] Call trace: [ 77.434714][ T5047] dump_backtrace+0x0/0x458 [ 77.435459][ T5047] show_stack+0x2c/0x3c [ 77.436185][ T5047] __dump_stack+0x30/0x40 [ 77.436902][ T5047] dump_stack_lvl+0xf4/0x15c [ 77.437597][ T5047] dump_stack+0x1c/0x5c [ 77.438254][ T5047] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 77.439133][ T5047] dccp_xmit_packet+0x298/0x448 [ 77.439941][ T5047] dccp_write_xmit+0x118/0x1d0 [ 77.440772][ T5047] dccp_sendmsg+0x550/0x8b8 [ 77.441507][ T5047] inet_sendmsg+0x154/0x284 [ 77.442190][ T5047] __sys_sendto+0x30c/0x420 [ 77.442887][ T5047] __arm64_sys_sendto+0xd8/0xf8 [ 77.443631][ T5047] invoke_syscall+0x98/0x2b0 [ 77.444344][ T5047] el0_svc_common+0x138/0x258 [ 77.445048][ T5047] do_el0_svc+0x58/0x13c [ 77.445681][ T5047] el0_svc+0x78/0x1d0 [ 77.446281][ T5047] el0t_64_sync_handler+0xcc/0xe4 [ 77.447040][ T5047] el0t_64_sync+0x1a0/0x1a4 [ 77.449069][ T5047] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 77.450786][ T5047] CPU: 0 PID: 5047 Comm: syz.0.32 Not tainted syzkaller #0 [ 77.451758][ T5047] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.453366][ T5047] Call trace: [ 77.453818][ T5047] dump_backtrace+0x0/0x458 [ 77.454466][ T5047] show_stack+0x2c/0x3c [ 77.455095][ T5047] __dump_stack+0x30/0x40 [ 77.455746][ T5047] dump_stack_lvl+0xf4/0x15c [ 77.456419][ T5047] dump_stack+0x1c/0x5c [ 77.457092][ T5047] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 77.457972][ T5047] dccp_xmit_packet+0x298/0x448 [ 77.458735][ T5047] dccp_write_xmit+0x118/0x1d0 [ 77.459484][ T5047] dccp_sendmsg+0x550/0x8b8 [ 77.460146][ T5047] inet_sendmsg+0x154/0x284 [ 77.460778][ T5047] __sys_sendto+0x30c/0x420 [ 77.461456][ T5047] __arm64_sys_sendto+0xd8/0xf8 [ 77.462145][ T5047] invoke_syscall+0x98/0x2b0 [ 77.462801][ T5047] el0_svc_common+0x138/0x258 [ 77.463483][ T5047] do_el0_svc+0x58/0x13c [ 77.464162][ T5047] el0_svc+0x78/0x1d0 [ 77.464731][ T5047] el0t_64_sync_handler+0xcc/0xe4 [ 77.465495][ T5047] el0t_64_sync+0x1a0/0x1a4 [ 77.467103][ T5047] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 77.468943][ T5047] CPU: 1 PID: 5047 Comm: syz.0.32 Not tainted syzkaller #0 [ 77.470015][ T5047] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.471599][ T5047] Call trace: [ 77.472091][ T5047] dump_backtrace+0x0/0x458 [ 77.472787][ T5047] show_stack+0x2c/0x3c [ 77.473379][ T5047] __dump_stack+0x30/0x40 [ 77.474068][ T5047] dump_stack_lvl+0xf4/0x15c [ 77.474770][ T5047] dump_stack+0x1c/0x5c [ 77.475415][ T5047] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 77.476245][ T5047] dccp_xmit_packet+0x298/0x448 [ 77.476937][ T5047] dccp_write_xmit+0x118/0x1d0 [ 77.477638][ T5047] dccp_sendmsg+0x550/0x8b8 [ 77.478267][ T5047] inet_sendmsg+0x154/0x284 [ 77.478938][ T5047] __sys_sendto+0x30c/0x420 [ 77.479595][ T5047] __arm64_sys_sendto+0xd8/0xf8 [ 77.480310][ T5047] invoke_syscall+0x98/0x2b0 [ 77.480966][ T5047] el0_svc_common+0x138/0x258 [ 77.481690][ T5047] do_el0_svc+0x58/0x13c [ 77.482335][ T5047] el0_svc+0x78/0x1d0 [ 77.482911][ T5047] el0t_64_sync_handler+0xcc/0xe4 [ 77.483671][ T5047] el0t_64_sync+0x1a0/0x1a4 [ 77.485515][ T5047] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 77.487345][ T5047] CPU: 0 PID: 5047 Comm: syz.0.32 Not tainted syzkaller #0 [ 77.488380][ T5047] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.489868][ T5047] Call trace: [ 77.490354][ T5047] dump_backtrace+0x0/0x458 [ 77.491006][ T5047] show_stack+0x2c/0x3c [ 77.491582][ T5047] __dump_stack+0x30/0x40 [ 77.492237][ T5047] dump_stack_lvl+0xf4/0x15c [ 77.492892][ T5047] dump_stack+0x1c/0x5c [ 77.493490][ T5047] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 77.494354][ T5047] dccp_xmit_packet+0x298/0x448 [ 77.495105][ T5047] dccp_write_xmit+0x118/0x1d0 [ 77.495798][ T5047] dccp_sendmsg+0x550/0x8b8 [ 77.496476][ T5047] inet_sendmsg+0x154/0x284 [ 77.497245][ T5047] __sys_sendto+0x30c/0x420 [ 77.498002][ T5047] __arm64_sys_sendto+0xd8/0xf8 [ 77.498807][ T5047] invoke_syscall+0x98/0x2b0 [ 77.499531][ T5047] el0_svc_common+0x138/0x258 [ 77.500300][ T5047] do_el0_svc+0x58/0x13c [ 77.500978][ T5047] el0_svc+0x78/0x1d0 [ 77.501564][ T5047] el0t_64_sync_handler+0xcc/0xe4 [ 77.502365][ T5047] el0t_64_sync+0x1a0/0x1a4 [ 77.504102][ T5047] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 77.506005][ T5047] CPU: 0 PID: 5047 Comm: syz.0.32 Not tainted syzkaller #0 [ 77.507016][ T5047] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.508510][ T5047] Call trace: [ 77.508967][ T5047] dump_backtrace+0x0/0x458 [ 77.509644][ T5047] show_stack+0x2c/0x3c [ 77.510342][ T5047] __dump_stack+0x30/0x40 [ 77.510948][ T5047] dump_stack_lvl+0xf4/0x15c [ 77.511601][ T5047] dump_stack+0x1c/0x5c [ 77.512194][ T5047] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 77.512909][ T5047] dccp_xmit_packet+0x298/0x448 [ 77.513637][ T5047] dccp_write_xmit+0x118/0x1d0 [ 77.514251][ T5047] dccp_sendmsg+0x550/0x8b8 [ 77.514888][ T5047] inet_sendmsg+0x154/0x284 [ 77.515558][ T5047] __sys_sendto+0x30c/0x420 [ 77.516205][ T5047] __arm64_sys_sendto+0xd8/0xf8 [ 77.516908][ T5047] invoke_syscall+0x98/0x2b0 [ 77.517580][ T5047] el0_svc_common+0x138/0x258 [ 77.518214][ T5047] do_el0_svc+0x58/0x13c [ 77.518829][ T5047] el0_svc+0x78/0x1d0 [ 77.519396][ T5047] el0t_64_sync_handler+0xcc/0xe4 [ 77.520123][ T5047] el0t_64_sync+0x1a0/0x1a4 [ 77.521434][ T5047] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 77.523118][ T5047] CPU: 0 PID: 5047 Comm: syz.0.32 Not tainted syzkaller #0 [ 77.524235][ T5047] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.525737][ T5047] Call trace: [ 77.526265][ T5047] dump_backtrace+0x0/0x458 [ 77.527000][ T5047] show_stack+0x2c/0x3c [ 77.527639][ T5047] __dump_stack+0x30/0x40 [ 77.528268][ T5047] dump_stack_lvl+0xf4/0x15c [ 77.528920][ T5047] dump_stack+0x1c/0x5c [ 77.529551][ T5047] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 77.530362][ T5047] dccp_xmit_packet+0x298/0x448 [ 77.531064][ T5047] dccp_write_xmit+0x118/0x1d0 [ 77.531813][ T5047] dccp_sendmsg+0x550/0x8b8 [ 77.532496][ T5047] inet_sendmsg+0x154/0x284 [ 77.533156][ T5047] __sys_sendto+0x30c/0x420 [ 77.533877][ T5047] __arm64_sys_sendto+0xd8/0xf8 [ 77.534632][ T5047] invoke_syscall+0x98/0x2b0 [ 77.535364][ T5047] el0_svc_common+0x138/0x258 [ 77.536025][ T5047] do_el0_svc+0x58/0x13c [ 77.536597][ T5047] el0_svc+0x78/0x1d0 [ 77.537226][ T5047] el0t_64_sync_handler+0xcc/0xe4 [ 77.537962][ T5047] el0t_64_sync+0x1a0/0x1a4 [ 77.539556][ T5047] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 77.541347][ T5047] CPU: 0 PID: 5047 Comm: syz.0.32 Not tainted syzkaller #0 [ 77.542362][ T5047] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.543826][ T5047] Call trace: [ 77.544272][ T5047] dump_backtrace+0x0/0x458 [ 77.544930][ T5047] show_stack+0x2c/0x3c [ 77.545573][ T5047] __dump_stack+0x30/0x40 [ 77.546232][ T5047] dump_stack_lvl+0xf4/0x15c [ 77.546906][ T5047] dump_stack+0x1c/0x5c [ 77.547617][ T5047] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 77.548425][ T5047] dccp_xmit_packet+0x298/0x448 [ 77.549174][ T5047] dccp_write_xmit+0x118/0x1d0 [ 77.549877][ T5047] dccp_sendmsg+0x550/0x8b8 [ 77.550598][ T5047] inet_sendmsg+0x154/0x284 [ 77.551317][ T5047] __sys_sendto+0x30c/0x420 [ 77.552034][ T5047] __arm64_sys_sendto+0xd8/0xf8 [ 77.552771][ T5047] invoke_syscall+0x98/0x2b0 [ 77.553496][ T5047] el0_svc_common+0x138/0x258 [ 77.554184][ T5047] do_el0_svc+0x58/0x13c [ 77.554827][ T5047] el0_svc+0x78/0x1d0 [ 77.555398][ T5047] el0t_64_sync_handler+0xcc/0xe4 [ 77.556115][ T5047] el0t_64_sync+0x1a0/0x1a4 [ 77.557547][ T5047] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 77.559195][ T5047] CPU: 0 PID: 5047 Comm: syz.0.32 Not tainted syzkaller #0 [ 77.560178][ T5047] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.561618][ T5047] Call trace: [ 77.562091][ T5047] dump_backtrace+0x0/0x458 [ 77.562689][ T5047] show_stack+0x2c/0x3c [ 77.563295][ T5047] __dump_stack+0x30/0x40 [ 77.563906][ T5047] dump_stack_lvl+0xf4/0x15c [ 77.564542][ T5047] dump_stack+0x1c/0x5c [ 77.565102][ T5047] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 77.565880][ T5047] dccp_xmit_packet+0x298/0x448 [ 77.566610][ T5047] dccp_write_xmit+0x118/0x1d0 [ 77.567342][ T5047] dccp_sendmsg+0x550/0x8b8 [ 77.567989][ T5047] inet_sendmsg+0x154/0x284 [ 77.568609][ T5047] __sys_sendto+0x30c/0x420 [ 77.569253][ T5047] __arm64_sys_sendto+0xd8/0xf8 [ 77.569940][ T5047] invoke_syscall+0x98/0x2b0 [ 77.570584][ T5047] el0_svc_common+0x138/0x258 [ 77.571246][ T5047] do_el0_svc+0x58/0x13c [ 77.571841][ T5047] el0_svc+0x78/0x1d0 [ 77.572433][ T5047] el0t_64_sync_handler+0xcc/0xe4 [ 77.573212][ T5047] el0t_64_sync+0x1a0/0x1a4 [ 77.574011][ T5047] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 77.575794][ T5047] CPU: 0 PID: 5047 Comm: syz.0.32 Not tainted syzkaller #0 [ 77.576815][ T5047] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.578167][ T5047] Call trace: [ 77.578656][ T5047] dump_backtrace+0x0/0x458 [ 77.579347][ T5047] show_stack+0x2c/0x3c [ 77.580009][ T5047] __dump_stack+0x30/0x40 [ 77.580650][ T5047] dump_stack_lvl+0xf4/0x15c [ 77.581348][ T5047] dump_stack+0x1c/0x5c [ 77.581945][ T5047] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 77.582805][ T5047] dccp_xmit_packet+0x298/0x448 [ 77.583568][ T5047] dccp_write_xmit+0x118/0x1d0 [ 77.584245][ T5047] dccp_sendmsg+0x550/0x8b8 [ 77.584904][ T5047] inet_sendmsg+0x154/0x284 [ 77.585591][ T5047] __sys_sendto+0x30c/0x420 [ 77.586228][ T5047] __arm64_sys_sendto+0xd8/0xf8 [ 77.586960][ T5047] invoke_syscall+0x98/0x2b0 [ 77.587621][ T5047] el0_svc_common+0x138/0x258 [ 77.588266][ T5047] do_el0_svc+0x58/0x13c [ 77.588882][ T5047] el0_svc+0x78/0x1d0 [ 77.589504][ T5047] el0t_64_sync_handler+0xcc/0xe4 [ 77.590214][ T5047] el0t_64_sync+0x1a0/0x1a4 [ 77.590960][ T5047] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 77.592575][ T5047] CPU: 0 PID: 5047 Comm: syz.0.32 Not tainted syzkaller #0 [ 77.593689][ T5047] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.595205][ T5047] Call trace: [ 77.595706][ T5047] dump_backtrace+0x0/0x458 [ 77.596375][ T5047] show_stack+0x2c/0x3c [ 77.597014][ T5047] __dump_stack+0x30/0x40 [ 77.597599][ T5047] dump_stack_lvl+0xf4/0x15c [ 77.598221][ T5047] dump_stack+0x1c/0x5c [ 77.598848][ T5047] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 77.599670][ T5047] dccp_xmit_packet+0x298/0x448 [ 77.600381][ T5047] dccp_write_xmit+0x118/0x1d0 [ 77.601040][ T5047] dccp_sendmsg+0x550/0x8b8 [ 77.601724][ T5047] inet_sendmsg+0x154/0x284 [ 77.602352][ T5047] __sys_sendto+0x30c/0x420 [ 77.603045][ T5047] __arm64_sys_sendto+0xd8/0xf8 [ 77.603750][ T5047] invoke_syscall+0x98/0x2b0 [ 77.604387][ T5047] el0_svc_common+0x138/0x258 [ 77.605078][ T5047] do_el0_svc+0x58/0x13c [ 77.605725][ T5047] el0_svc+0x78/0x1d0 [ 77.606287][ T5047] el0t_64_sync_handler+0xcc/0xe4 [ 77.606980][ T5047] el0t_64_sync+0x1a0/0x1a4 [ 77.607814][ T5047] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 77.609382][ T5047] CPU: 0 PID: 5047 Comm: syz.0.32 Not tainted syzkaller #0 [ 77.610395][ T5047] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.611899][ T5047] Call trace: [ 77.612324][ T5047] dump_backtrace+0x0/0x458 [ 77.612960][ T5047] show_stack+0x2c/0x3c [ 77.613562][ T5047] __dump_stack+0x30/0x40 [ 77.614166][ T5047] dump_stack_lvl+0xf4/0x15c [ 77.614857][ T5047] dump_stack+0x1c/0x5c [ 77.615463][ T5047] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 77.616272][ T5047] dccp_xmit_packet+0x298/0x448 [ 77.616984][ T5047] dccp_write_xmit+0x118/0x1d0 [ 77.617770][ T5047] dccp_sendmsg+0x550/0x8b8 [ 77.618453][ T5047] inet_sendmsg+0x154/0x284 [ 77.619101][ T5047] __sys_sendto+0x30c/0x420 [ 77.619782][ T5047] __arm64_sys_sendto+0xd8/0xf8 [ 77.620464][ T5047] invoke_syscall+0x98/0x2b0 [ 77.621163][ T5047] el0_svc_common+0x138/0x258 [ 77.621864][ T5047] do_el0_svc+0x58/0x13c [ 77.622496][ T5047] el0_svc+0x78/0x1d0 [ 77.623098][ T5047] el0t_64_sync_handler+0xcc/0xe4 [ 77.623864][ T5047] el0t_64_sync+0x1a0/0x1a4 [ 77.640595][ T5049] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 77.642500][ T5049] CPU: 1 PID: 5049 Comm: syz.0.33 Not tainted syzkaller #0 [ 77.643499][ T5049] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.645108][ T5049] Call trace: [ 77.645576][ T5049] dump_backtrace+0x0/0x458 [ 77.646224][ T5049] show_stack+0x2c/0x3c [ 77.646871][ T5049] __dump_stack+0x30/0x40 [ 77.647555][ T5049] dump_stack_lvl+0xf4/0x15c [ 77.648218][ T5049] dump_stack+0x1c/0x5c [ 77.648831][ T5049] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 77.649653][ T5049] dccp_xmit_packet+0x298/0x448 [ 77.650430][ T5049] dccp_write_xmit+0x118/0x1d0 [ 77.651116][ T5049] dccp_sendmsg+0x550/0x8b8 [ 77.651816][ T5049] inet_sendmsg+0x154/0x284 [ 77.652482][ T5049] __sys_sendto+0x30c/0x420 [ 77.653231][ T5049] __arm64_sys_sendto+0xd8/0xf8 [ 77.654021][ T5049] invoke_syscall+0x98/0x2b0 [ 77.654727][ T5049] el0_svc_common+0x138/0x258 [ 77.655424][ T5049] do_el0_svc+0x58/0x13c [ 77.656039][ T5049] el0_svc+0x78/0x1d0 [ 77.656629][ T5049] el0t_64_sync_handler+0xcc/0xe4 [ 77.657362][ T5049] el0t_64_sync+0x1a0/0x1a4 [ 77.658429][ T5049] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 77.660111][ T5049] CPU: 1 PID: 5049 Comm: syz.0.33 Not tainted syzkaller #0 [ 77.661132][ T5049] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.662635][ T5049] Call trace: [ 77.663115][ T5049] dump_backtrace+0x0/0x458 [ 77.663797][ T5049] show_stack+0x2c/0x3c [ 77.664460][ T5049] __dump_stack+0x30/0x40 [ 77.665151][ T5049] dump_stack_lvl+0xf4/0x15c [ 77.665830][ T5049] dump_stack+0x1c/0x5c [ 77.666468][ T5049] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 77.667304][ T5049] dccp_xmit_packet+0x298/0x448 [ 77.668022][ T5049] dccp_write_xmit+0x118/0x1d0 [ 77.668743][ T5049] dccp_sendmsg+0x550/0x8b8 [ 77.669470][ T5049] inet_sendmsg+0x154/0x284 [ 77.670278][ T5049] __sys_sendto+0x30c/0x420 [ 77.671012][ T5049] __arm64_sys_sendto+0xd8/0xf8 [ 77.671831][ T5049] invoke_syscall+0x98/0x2b0 [ 77.672589][ T5049] el0_svc_common+0x138/0x258 [ 77.673325][ T5049] do_el0_svc+0x58/0x13c [ 77.673996][ T5049] el0_svc+0x78/0x1d0 [ 77.674612][ T5049] el0t_64_sync_handler+0xcc/0xe4 [ 77.675360][ T5049] el0t_64_sync+0x1a0/0x1a4 [ 77.676296][ T5049] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 77.677909][ T5049] CPU: 1 PID: 5049 Comm: syz.0.33 Not tainted syzkaller #0 [ 77.678999][ T5049] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.680421][ T5049] Call trace: [ 77.680896][ T5049] dump_backtrace+0x0/0x458 [ 77.681575][ T5049] show_stack+0x2c/0x3c [ 77.682163][ T5049] __dump_stack+0x30/0x40 [ 77.682812][ T5049] dump_stack_lvl+0xf4/0x15c [ 77.683553][ T5049] dump_stack+0x1c/0x5c [ 77.684188][ T5049] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 77.684943][ T5049] dccp_xmit_packet+0x298/0x448 [ 77.685627][ T5049] dccp_write_xmit+0x118/0x1d0 [ 77.686306][ T5049] dccp_sendmsg+0x550/0x8b8 [ 77.686922][ T5049] inet_sendmsg+0x154/0x284 [ 77.687580][ T5049] __sys_sendto+0x30c/0x420 [ 77.688226][ T5049] __arm64_sys_sendto+0xd8/0xf8 [ 77.688884][ T5049] invoke_syscall+0x98/0x2b0 [ 77.689540][ T5049] el0_svc_common+0x138/0x258 [ 77.690245][ T5049] do_el0_svc+0x58/0x13c [ 77.690827][ T5049] el0_svc+0x78/0x1d0 [ 77.691382][ T5049] el0t_64_sync_handler+0xcc/0xe4 [ 77.692061][ T5049] el0t_64_sync+0x1a0/0x1a4 [ 77.692981][ T5049] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 77.696099][ T5049] CPU: 0 PID: 5049 Comm: syz.0.33 Not tainted syzkaller #0 [ 77.697251][ T5049] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.698809][ T5049] Call trace: [ 77.699323][ T5049] dump_backtrace+0x0/0x458 [ 77.700010][ T5049] show_stack+0x2c/0x3c [ 77.700638][ T5049] __dump_stack+0x30/0x40 [ 77.701302][ T5049] dump_stack_lvl+0xf4/0x15c [ 77.701984][ T5049] dump_stack+0x1c/0x5c [ 77.702569][ T5049] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 77.703337][ T5049] dccp_xmit_packet+0x298/0x448 [ 77.704028][ T5049] dccp_write_xmit+0x118/0x1d0 [ 77.704730][ T5049] dccp_sendmsg+0x550/0x8b8 [ 77.705377][ T5049] inet_sendmsg+0x154/0x284 [ 77.706089][ T5049] __sys_sendto+0x30c/0x420 [ 77.706761][ T5049] __arm64_sys_sendto+0xd8/0xf8 [ 77.707446][ T5049] invoke_syscall+0x98/0x2b0 [ 77.708098][ T5049] el0_svc_common+0x138/0x258 [ 77.708790][ T5049] do_el0_svc+0x58/0x13c [ 77.709531][ T5049] el0_svc+0x78/0x1d0 [ 77.710187][ T5049] el0t_64_sync_handler+0xcc/0xe4 [ 77.710953][ T5049] el0t_64_sync+0x1a0/0x1a4 [ 77.712977][ T5049] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 77.715499][ T5049] CPU: 0 PID: 5049 Comm: syz.0.33 Not tainted syzkaller #0 [ 77.716591][ T5049] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.718116][ T5049] Call trace: [ 77.718589][ T5049] dump_backtrace+0x0/0x458 [ 77.719250][ T5049] show_stack+0x2c/0x3c [ 77.719870][ T5049] __dump_stack+0x30/0x40 [ 77.720534][ T5049] dump_stack_lvl+0xf4/0x15c [ 77.721247][ T5049] dump_stack+0x1c/0x5c [ 77.721893][ T5049] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 77.722723][ T5049] dccp_xmit_packet+0x298/0x448 [ 77.723405][ T5049] dccp_write_xmit+0x118/0x1d0 [ 77.724115][ T5049] dccp_sendmsg+0x550/0x8b8 [ 77.724802][ T5049] inet_sendmsg+0x154/0x284 [ 77.725504][ T5049] __sys_sendto+0x30c/0x420 [ 77.726188][ T5049] __arm64_sys_sendto+0xd8/0xf8 [ 77.726912][ T5049] invoke_syscall+0x98/0x2b0 [ 77.727555][ T5049] el0_svc_common+0x138/0x258 [ 77.728200][ T5049] do_el0_svc+0x58/0x13c [ 77.728811][ T5049] el0_svc+0x78/0x1d0 [ 77.729384][ T5049] el0t_64_sync_handler+0xcc/0xe4 [ 77.730149][ T5049] el0t_64_sync+0x1a0/0x1a4 [ 77.732185][ T5049] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 77.733972][ T5049] CPU: 0 PID: 5049 Comm: syz.0.33 Not tainted syzkaller #0 [ 77.735111][ T5049] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.736741][ T5049] Call trace: [ 77.737241][ T5049] dump_backtrace+0x0/0x458 [ 77.737978][ T5049] show_stack+0x2c/0x3c [ 77.738592][ T5049] __dump_stack+0x30/0x40 [ 77.739272][ T5049] dump_stack_lvl+0xf4/0x15c [ 77.739922][ T5049] dump_stack+0x1c/0x5c [ 77.740547][ T5049] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 77.741376][ T5049] dccp_xmit_packet+0x298/0x448 [ 77.742070][ T5049] dccp_write_xmit+0x118/0x1d0 [ 77.742754][ T5049] dccp_sendmsg+0x550/0x8b8 [ 77.743437][ T5049] inet_sendmsg+0x154/0x284 [ 77.744039][ T5049] __sys_sendto+0x30c/0x420 [ 77.744653][ T5049] __arm64_sys_sendto+0xd8/0xf8 [ 77.745354][ T5049] invoke_syscall+0x98/0x2b0 [ 77.745960][ T5049] el0_svc_common+0x138/0x258 [ 77.746681][ T5049] do_el0_svc+0x58/0x13c [ 77.747318][ T5049] el0_svc+0x78/0x1d0 [ 77.747882][ T5049] el0t_64_sync_handler+0xcc/0xe4 [ 77.748687][ T5049] el0t_64_sync+0x1a0/0x1a4 [ 77.751499][ T5049] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 77.753211][ T5049] CPU: 0 PID: 5049 Comm: syz.0.33 Not tainted syzkaller #0 [ 77.754280][ T5049] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.755753][ T5049] Call trace: [ 77.756267][ T5049] dump_backtrace+0x0/0x458 [ 77.756907][ T5049] show_stack+0x2c/0x3c [ 77.757482][ T5049] __dump_stack+0x30/0x40 [ 77.758126][ T5049] dump_stack_lvl+0xf4/0x15c [ 77.758842][ T5049] dump_stack+0x1c/0x5c [ 77.759465][ T5049] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 77.760274][ T5049] dccp_xmit_packet+0x298/0x448 [ 77.761030][ T5049] dccp_write_xmit+0x118/0x1d0 [ 77.761729][ T5049] dccp_sendmsg+0x550/0x8b8 [ 77.762462][ T5049] inet_sendmsg+0x154/0x284 [ 77.763140][ T5049] __sys_sendto+0x30c/0x420 [ 77.763811][ T5049] __arm64_sys_sendto+0xd8/0xf8 [ 77.764566][ T5049] invoke_syscall+0x98/0x2b0 [ 77.765274][ T5049] el0_svc_common+0x138/0x258 [ 77.765981][ T5049] do_el0_svc+0x58/0x13c [ 77.766634][ T5049] el0_svc+0x78/0x1d0 [ 77.767235][ T5049] el0t_64_sync_handler+0xcc/0xe4 [ 77.767962][ T5049] el0t_64_sync+0x1a0/0x1a4 [ 77.770815][ T5049] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 77.772492][ T5049] CPU: 0 PID: 5049 Comm: syz.0.33 Not tainted syzkaller #0 [ 77.773548][ T5049] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.774987][ T5049] Call trace: [ 77.775466][ T5049] dump_backtrace+0x0/0x458 [ 77.776180][ T5049] show_stack+0x2c/0x3c [ 77.776808][ T5049] __dump_stack+0x30/0x40 [ 77.777496][ T5049] dump_stack_lvl+0xf4/0x15c [ 77.778167][ T5049] dump_stack+0x1c/0x5c [ 77.778766][ T5049] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 77.779560][ T5049] dccp_xmit_packet+0x298/0x448 [ 77.780279][ T5049] dccp_write_xmit+0x118/0x1d0 [ 77.780995][ T5049] dccp_sendmsg+0x550/0x8b8 [ 77.781693][ T5049] inet_sendmsg+0x154/0x284 [ 77.782369][ T5049] __sys_sendto+0x30c/0x420 [ 77.783018][ T5049] __arm64_sys_sendto+0xd8/0xf8 [ 77.783733][ T5049] invoke_syscall+0x98/0x2b0 [ 77.784434][ T5049] el0_svc_common+0x138/0x258 [ 77.785160][ T5049] do_el0_svc+0x58/0x13c [ 77.785786][ T5049] el0_svc+0x78/0x1d0 [ 77.786352][ T5049] el0t_64_sync_handler+0xcc/0xe4 [ 77.787058][ T5049] el0t_64_sync+0x1a0/0x1a4 [ 77.789591][ T5049] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 77.791317][ T5049] CPU: 0 PID: 5049 Comm: syz.0.33 Not tainted syzkaller #0 [ 77.792317][ T5049] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.793765][ T5049] Call trace: [ 77.794298][ T5049] dump_backtrace+0x0/0x458 [ 77.794986][ T5049] show_stack+0x2c/0x3c [ 77.795612][ T5049] __dump_stack+0x30/0x40 [ 77.796258][ T5049] dump_stack_lvl+0xf4/0x15c [ 77.796988][ T5049] dump_stack+0x1c/0x5c [ 77.797633][ T5049] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 77.798409][ T5049] dccp_xmit_packet+0x298/0x448 [ 77.799159][ T5049] dccp_write_xmit+0x118/0x1d0 [ 77.799826][ T5049] dccp_sendmsg+0x550/0x8b8 [ 77.800504][ T5049] inet_sendmsg+0x154/0x284 [ 77.801202][ T5049] __sys_sendto+0x30c/0x420 [ 77.801875][ T5049] __arm64_sys_sendto+0xd8/0xf8 [ 77.802593][ T5049] invoke_syscall+0x98/0x2b0 [ 77.803351][ T5049] el0_svc_common+0x138/0x258 [ 77.804040][ T5049] do_el0_svc+0x58/0x13c [ 77.804644][ T5049] el0_svc+0x78/0x1d0 [ 77.805210][ T5049] el0t_64_sync_handler+0xcc/0xe4 [ 77.805955][ T5049] el0t_64_sync+0x1a0/0x1a4 [ 77.808548][ T5049] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 77.810183][ T5049] CPU: 0 PID: 5049 Comm: syz.0.33 Not tainted syzkaller #0 [ 77.811207][ T5049] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.812668][ T5049] Call trace: [ 77.813151][ T5049] dump_backtrace+0x0/0x458 [ 77.813796][ T5049] show_stack+0x2c/0x3c [ 77.814374][ T5049] __dump_stack+0x30/0x40 [ 77.814979][ T5049] dump_stack_lvl+0xf4/0x15c [ 77.815624][ T5049] dump_stack+0x1c/0x5c [ 77.816247][ T5049] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 77.817028][ T5049] dccp_xmit_packet+0x298/0x448 [ 77.817792][ T5049] dccp_write_xmit+0x118/0x1d0 [ 77.818517][ T5049] dccp_sendmsg+0x550/0x8b8 [ 77.819166][ T5049] inet_sendmsg+0x154/0x284 [ 77.819823][ T5049] __sys_sendto+0x30c/0x420 [ 77.820424][ T5049] __arm64_sys_sendto+0xd8/0xf8 [ 77.821283][ T5049] invoke_syscall+0x98/0x2b0 [ 77.821945][ T5049] el0_svc_common+0x138/0x258 [ 77.822667][ T5049] do_el0_svc+0x58/0x13c [ 77.823273][ T5049] el0_svc+0x78/0x1d0 [ 77.823857][ T5049] el0t_64_sync_handler+0xcc/0xe4 [ 77.824638][ T5049] el0t_64_sync+0x1a0/0x1a4 [ 77.827222][ T5049] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 77.829013][ T5049] CPU: 0 PID: 5049 Comm: syz.0.33 Not tainted syzkaller #0 [ 77.830027][ T5049] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.831673][ T5049] Call trace: [ 77.832214][ T5049] dump_backtrace+0x0/0x458 [ 77.832925][ T5049] show_stack+0x2c/0x3c [ 77.833576][ T5049] __dump_stack+0x30/0x40 [ 77.834231][ T5049] dump_stack_lvl+0xf4/0x15c [ 77.834921][ T5049] dump_stack+0x1c/0x5c [ 77.835543][ T5049] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 77.836350][ T5049] dccp_xmit_packet+0x298/0x448 [ 77.837109][ T5049] dccp_write_xmit+0x118/0x1d0 [ 77.837818][ T5049] dccp_sendmsg+0x550/0x8b8 [ 77.838442][ T5049] inet_sendmsg+0x154/0x284 [ 77.839104][ T5049] __sys_sendto+0x30c/0x420 [ 77.839714][ T5049] __arm64_sys_sendto+0xd8/0xf8 [ 77.840388][ T5049] invoke_syscall+0x98/0x2b0 [ 77.841084][ T5049] el0_svc_common+0x138/0x258 [ 77.841889][ T5049] do_el0_svc+0x58/0x13c [ 77.842494][ T5049] el0_svc+0x78/0x1d0 [ 77.843094][ T5049] el0t_64_sync_handler+0xcc/0xe4 [ 77.843824][ T5049] el0t_64_sync+0x1a0/0x1a4 [ 77.846307][ T5049] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 77.848034][ T5049] CPU: 0 PID: 5049 Comm: syz.0.33 Not tainted syzkaller #0 [ 77.849092][ T5049] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.850515][ T5049] Call trace: [ 77.850997][ T5049] dump_backtrace+0x0/0x458 [ 77.851670][ T5049] show_stack+0x2c/0x3c [ 77.852263][ T5049] __dump_stack+0x30/0x40 [ 77.852900][ T5049] dump_stack_lvl+0xf4/0x15c [ 77.853575][ T5049] dump_stack+0x1c/0x5c [ 77.854159][ T5049] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 77.854979][ T5049] dccp_xmit_packet+0x298/0x448 [ 77.855684][ T5049] dccp_write_xmit+0x118/0x1d0 [ 77.856398][ T5049] dccp_sendmsg+0x550/0x8b8 [ 77.857052][ T5049] inet_sendmsg+0x154/0x284 [ 77.857729][ T5049] __sys_sendto+0x30c/0x420 [ 77.858353][ T5049] __arm64_sys_sendto+0xd8/0xf8 [ 77.859040][ T5049] invoke_syscall+0x98/0x2b0 [ 77.859745][ T5049] el0_svc_common+0x138/0x258 [ 77.860502][ T5049] do_el0_svc+0x58/0x13c [ 77.861142][ T5049] el0_svc+0x78/0x1d0 [ 77.861699][ T5049] el0t_64_sync_handler+0xcc/0xe4 [ 77.862426][ T5049] el0t_64_sync+0x1a0/0x1a4 [ 77.865315][ T5049] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 77.866940][ T5049] CPU: 0 PID: 5049 Comm: syz.0.33 Not tainted syzkaller #0 [ 77.867940][ T5049] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.869422][ T5049] Call trace: [ 77.869882][ T5049] dump_backtrace+0x0/0x458 [ 77.870532][ T5049] show_stack+0x2c/0x3c [ 77.871175][ T5049] __dump_stack+0x30/0x40 [ 77.871856][ T5049] dump_stack_lvl+0xf4/0x15c [ 77.872573][ T5049] dump_stack+0x1c/0x5c [ 77.873245][ T5049] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 77.874041][ T5049] dccp_xmit_packet+0x298/0x448 [ 77.874796][ T5049] dccp_write_xmit+0x118/0x1d0 [ 77.875506][ T5049] dccp_sendmsg+0x550/0x8b8 [ 77.876180][ T5049] inet_sendmsg+0x154/0x284 [ 77.876844][ T5049] __sys_sendto+0x30c/0x420 [ 77.877517][ T5049] __arm64_sys_sendto+0xd8/0xf8 [ 77.878203][ T5049] invoke_syscall+0x98/0x2b0 [ 77.878831][ T5049] el0_svc_common+0x138/0x258 [ 77.879556][ T5049] do_el0_svc+0x58/0x13c [ 77.880150][ T5049] el0_svc+0x78/0x1d0 [ 77.880710][ T5049] el0t_64_sync_handler+0xcc/0xe4 [ 77.881452][ T5049] el0t_64_sync+0x1a0/0x1a4 [ 77.884908][ T5049] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 77.886564][ T5049] CPU: 0 PID: 5049 Comm: syz.0.33 Not tainted syzkaller #0 [ 77.887583][ T5049] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.889028][ T5049] Call trace: [ 77.889542][ T5049] dump_backtrace+0x0/0x458 [ 77.890214][ T5049] show_stack+0x2c/0x3c [ 77.890799][ T5049] __dump_stack+0x30/0x40 [ 77.891478][ T5049] dump_stack_lvl+0xf4/0x15c [ 77.892145][ T5049] dump_stack+0x1c/0x5c [ 77.892746][ T5049] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 77.893536][ T5049] dccp_xmit_packet+0x298/0x448 [ 77.894259][ T5049] dccp_write_xmit+0x118/0x1d0 [ 77.895013][ T5049] dccp_sendmsg+0x550/0x8b8 [ 77.895694][ T5049] inet_sendmsg+0x154/0x284 [ 77.896361][ T5049] __sys_sendto+0x30c/0x420 [ 77.897062][ T5049] __arm64_sys_sendto+0xd8/0xf8 [ 77.897739][ T5049] invoke_syscall+0x98/0x2b0 [ 77.898426][ T5049] el0_svc_common+0x138/0x258 [ 77.899088][ T5049] do_el0_svc+0x58/0x13c [ 77.899711][ T5049] el0_svc+0x78/0x1d0 [ 77.900318][ T5049] el0t_64_sync_handler+0xcc/0xe4 [ 77.901054][ T5049] el0t_64_sync+0x1a0/0x1a4 [ 77.903323][ T5049] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 77.905805][ T5049] CPU: 0 PID: 5049 Comm: syz.0.33 Not tainted syzkaller #0 [ 77.906988][ T5049] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.908608][ T5049] Call trace: [ 77.909117][ T5049] dump_backtrace+0x0/0x458 [ 77.909844][ T5049] show_stack+0x2c/0x3c [ 77.910514][ T5049] __dump_stack+0x30/0x40 [ 77.911177][ T5049] dump_stack_lvl+0xf4/0x15c [ 77.911851][ T5049] dump_stack+0x1c/0x5c [ 77.912496][ T5049] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 77.913350][ T5049] dccp_xmit_packet+0x298/0x448 [ 77.914054][ T5049] dccp_write_xmit+0x118/0x1d0 [ 77.914794][ T5049] dccp_sendmsg+0x550/0x8b8 [ 77.915483][ T5049] inet_sendmsg+0x154/0x284 [ 77.916095][ T5049] __sys_sendto+0x30c/0x420 [ 77.916791][ T5049] __arm64_sys_sendto+0xd8/0xf8 [ 77.917496][ T5049] invoke_syscall+0x98/0x2b0 [ 77.918152][ T5049] el0_svc_common+0x138/0x258 [ 77.918848][ T5049] do_el0_svc+0x58/0x13c [ 77.919492][ T5049] el0_svc+0x78/0x1d0 [ 77.920089][ T5049] el0t_64_sync_handler+0xcc/0xe4 [ 77.920805][ T5049] el0t_64_sync+0x1a0/0x1a4 [ 77.922769][ T5049] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 77.924999][ T5049] CPU: 0 PID: 5049 Comm: syz.0.33 Not tainted syzkaller #0 [ 77.925997][ T5049] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.927596][ T5049] Call trace: [ 77.928080][ T5049] dump_backtrace+0x0/0x458 [ 77.928748][ T5049] show_stack+0x2c/0x3c [ 77.929367][ T5049] __dump_stack+0x30/0x40 [ 77.929989][ T5049] dump_stack_lvl+0xf4/0x15c [ 77.930630][ T5049] dump_stack+0x1c/0x5c [ 77.931207][ T5049] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 77.931947][ T5049] dccp_xmit_packet+0x298/0x448 [ 77.932650][ T5049] dccp_write_xmit+0x118/0x1d0 [ 77.933388][ T5049] dccp_sendmsg+0x550/0x8b8 [ 77.934003][ T5049] inet_sendmsg+0x154/0x284 [ 77.934651][ T5049] __sys_sendto+0x30c/0x420 [ 77.935307][ T5049] __arm64_sys_sendto+0xd8/0xf8 [ 77.936023][ T5049] invoke_syscall+0x98/0x2b0 [ 77.936661][ T5049] el0_svc_common+0x138/0x258 [ 77.937296][ T5049] do_el0_svc+0x58/0x13c [ 77.937909][ T5049] el0_svc+0x78/0x1d0 [ 77.938489][ T5049] el0t_64_sync_handler+0xcc/0xe4 [ 77.939232][ T5049] el0t_64_sync+0x1a0/0x1a4 [ 77.941184][ T5049] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 77.942955][ T5049] CPU: 0 PID: 5049 Comm: syz.0.33 Not tainted syzkaller #0 [ 77.943941][ T5049] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.945352][ T5049] Call trace: [ 77.945851][ T5049] dump_backtrace+0x0/0x458 [ 77.946481][ T5049] show_stack+0x2c/0x3c [ 77.947093][ T5049] __dump_stack+0x30/0x40 [ 77.947729][ T5049] dump_stack_lvl+0xf4/0x15c [ 77.948382][ T5049] dump_stack+0x1c/0x5c [ 77.949008][ T5049] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 77.949761][ T5049] dccp_xmit_packet+0x298/0x448 [ 77.950456][ T5049] dccp_write_xmit+0x118/0x1d0 [ 77.951169][ T5049] dccp_sendmsg+0x550/0x8b8 [ 77.951838][ T5049] inet_sendmsg+0x154/0x284 [ 77.952500][ T5049] __sys_sendto+0x30c/0x420 [ 77.953178][ T5049] __arm64_sys_sendto+0xd8/0xf8 [ 77.954120][ T5049] invoke_syscall+0x98/0x2b0 [ 77.954763][ T5049] el0_svc_common+0x138/0x258 [ 77.955404][ T5049] do_el0_svc+0x58/0x13c [ 77.955973][ T5049] el0_svc+0x78/0x1d0 [ 77.956560][ T5049] el0t_64_sync_handler+0xcc/0xe4 [ 77.957240][ T5049] el0t_64_sync+0x1a0/0x1a4 [ 77.995609][ T5051] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 77.997421][ T5051] CPU: 1 PID: 5051 Comm: syz.0.34 Not tainted syzkaller #0 [ 77.998610][ T5051] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.000189][ T5051] Call trace: [ 78.000681][ T5051] dump_backtrace+0x0/0x458 [ 78.001341][ T5051] show_stack+0x2c/0x3c [ 78.001997][ T5051] __dump_stack+0x30/0x40 [ 78.002638][ T5051] dump_stack_lvl+0xf4/0x15c [ 78.003345][ T5051] dump_stack+0x1c/0x5c [ 78.003931][ T5051] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 78.004718][ T5051] dccp_xmit_packet+0x298/0x448 [ 78.005474][ T5051] dccp_write_xmit+0x118/0x1d0 [ 78.006222][ T5051] dccp_sendmsg+0x550/0x8b8 [ 78.006886][ T5051] inet_sendmsg+0x154/0x284 [ 78.007540][ T5051] __sys_sendto+0x30c/0x420 [ 78.008230][ T5051] __arm64_sys_sendto+0xd8/0xf8 [ 78.009003][ T5051] invoke_syscall+0x98/0x2b0 [ 78.009680][ T5051] el0_svc_common+0x138/0x258 [ 78.010347][ T5051] do_el0_svc+0x58/0x13c [ 78.010992][ T5051] el0_svc+0x78/0x1d0 [ 78.011636][ T5051] el0t_64_sync_handler+0xcc/0xe4 [ 78.012418][ T5051] el0t_64_sync+0x1a0/0x1a4 [ 78.014658][ T5051] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 78.016408][ T5051] CPU: 1 PID: 5051 Comm: syz.0.34 Not tainted syzkaller #0 [ 78.017529][ T5051] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.019008][ T5051] Call trace: [ 78.019524][ T5051] dump_backtrace+0x0/0x458 [ 78.020183][ T5051] show_stack+0x2c/0x3c [ 78.020827][ T5051] __dump_stack+0x30/0x40 [ 78.021471][ T5051] dump_stack_lvl+0xf4/0x15c [ 78.022141][ T5051] dump_stack+0x1c/0x5c [ 78.022725][ T5051] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 78.023483][ T5051] dccp_xmit_packet+0x298/0x448 [ 78.024258][ T5051] dccp_write_xmit+0x118/0x1d0 [ 78.024988][ T5051] dccp_sendmsg+0x550/0x8b8 [ 78.025692][ T5051] inet_sendmsg+0x154/0x284 [ 78.026408][ T5051] __sys_sendto+0x30c/0x420 [ 78.027159][ T5051] __arm64_sys_sendto+0xd8/0xf8 [ 78.027894][ T5051] invoke_syscall+0x98/0x2b0 [ 78.028593][ T5051] el0_svc_common+0x138/0x258 [ 78.029319][ T5051] do_el0_svc+0x58/0x13c [ 78.029963][ T5051] el0_svc+0x78/0x1d0 [ 78.030571][ T5051] el0t_64_sync_handler+0xcc/0xe4 [ 78.031377][ T5051] el0t_64_sync+0x1a0/0x1a4 [ 78.033447][ T5051] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 78.035338][ T5051] CPU: 1 PID: 5051 Comm: syz.0.34 Not tainted syzkaller #0 [ 78.036418][ T5051] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.037898][ T5051] Call trace: [ 78.038424][ T5051] dump_backtrace+0x0/0x458 [ 78.039154][ T5051] show_stack+0x2c/0x3c [ 78.039796][ T5051] __dump_stack+0x30/0x40 [ 78.040458][ T5051] dump_stack_lvl+0xf4/0x15c [ 78.041193][ T5051] dump_stack+0x1c/0x5c [ 78.041846][ T5051] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 78.042686][ T5051] dccp_xmit_packet+0x298/0x448 [ 78.043419][ T5051] dccp_write_xmit+0x118/0x1d0 [ 78.044164][ T5051] dccp_sendmsg+0x550/0x8b8 [ 78.044876][ T5051] inet_sendmsg+0x154/0x284 [ 78.045595][ T5051] __sys_sendto+0x30c/0x420 [ 78.046275][ T5051] __arm64_sys_sendto+0xd8/0xf8 [ 78.046987][ T5051] invoke_syscall+0x98/0x2b0 [ 78.047660][ T5051] el0_svc_common+0x138/0x258 [ 78.048390][ T5051] do_el0_svc+0x58/0x13c [ 78.049013][ T5051] el0_svc+0x78/0x1d0 [ 78.049623][ T5051] el0t_64_sync_handler+0xcc/0xe4 [ 78.050377][ T5051] el0t_64_sync+0x1a0/0x1a4 [ 78.052318][ T5051] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 78.054572][ T5051] CPU: 1 PID: 5051 Comm: syz.0.34 Not tainted syzkaller #0 [ 78.055693][ T5051] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.057283][ T5051] Call trace: [ 78.057837][ T5051] dump_backtrace+0x0/0x458 [ 78.058570][ T5051] show_stack+0x2c/0x3c [ 78.059210][ T5051] __dump_stack+0x30/0x40 [ 78.059991][ T5051] dump_stack_lvl+0xf4/0x15c [ 78.060732][ T5051] dump_stack+0x1c/0x5c [ 78.061386][ T5051] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 78.062238][ T5051] dccp_xmit_packet+0x298/0x448 [ 78.062959][ T5051] dccp_write_xmit+0x118/0x1d0 [ 78.063694][ T5051] dccp_sendmsg+0x550/0x8b8 [ 78.064364][ T5051] inet_sendmsg+0x154/0x284 [ 78.065049][ T5051] __sys_sendto+0x30c/0x420 [ 78.065714][ T5051] __arm64_sys_sendto+0xd8/0xf8 [ 78.066436][ T5051] invoke_syscall+0x98/0x2b0 [ 78.067058][ T5051] el0_svc_common+0x138/0x258 [ 78.067742][ T5051] do_el0_svc+0x58/0x13c [ 78.068347][ T5051] el0_svc+0x78/0x1d0 [ 78.068916][ T5051] el0t_64_sync_handler+0xcc/0xe4 [ 78.069626][ T5051] el0t_64_sync+0x1a0/0x1a4 [ 78.071348][ T5051] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 78.073194][ T5051] CPU: 0 PID: 5051 Comm: syz.0.34 Not tainted syzkaller #0 [ 78.074217][ T5051] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.075748][ T5051] Call trace: [ 78.076248][ T5051] dump_backtrace+0x0/0x458 [ 78.076913][ T5051] show_stack+0x2c/0x3c [ 78.077592][ T5051] __dump_stack+0x30/0x40 [ 78.078230][ T5051] dump_stack_lvl+0xf4/0x15c [ 78.079000][ T5051] dump_stack+0x1c/0x5c [ 78.079682][ T5051] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 78.080490][ T5051] dccp_xmit_packet+0x298/0x448 [ 78.081168][ T5051] dccp_write_xmit+0x118/0x1d0 [ 78.081878][ T5051] dccp_sendmsg+0x550/0x8b8 [ 78.082562][ T5051] inet_sendmsg+0x154/0x284 [ 78.083275][ T5051] __sys_sendto+0x30c/0x420 [ 78.083971][ T5051] __arm64_sys_sendto+0xd8/0xf8 [ 78.084660][ T5051] invoke_syscall+0x98/0x2b0 [ 78.085340][ T5051] el0_svc_common+0x138/0x258 [ 78.086062][ T5051] do_el0_svc+0x58/0x13c [ 78.086702][ T5051] el0_svc+0x78/0x1d0 [ 78.087287][ T5051] el0t_64_sync_handler+0xcc/0xe4 [ 78.088079][ T5051] el0t_64_sync+0x1a0/0x1a4 [ 78.089637][ T5051] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 78.091258][ T5051] CPU: 0 PID: 5051 Comm: syz.0.34 Not tainted syzkaller #0 [ 78.092361][ T5051] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.093853][ T5051] Call trace: [ 78.094351][ T5051] dump_backtrace+0x0/0x458 [ 78.095052][ T5051] show_stack+0x2c/0x3c [ 78.095659][ T5051] __dump_stack+0x30/0x40 [ 78.096292][ T5051] dump_stack_lvl+0xf4/0x15c [ 78.096982][ T5051] dump_stack+0x1c/0x5c [ 78.097626][ T5051] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 78.098419][ T5051] dccp_xmit_packet+0x298/0x448 [ 78.099156][ T5051] dccp_write_xmit+0x118/0x1d0 [ 78.099893][ T5051] dccp_sendmsg+0x550/0x8b8 [ 78.100557][ T5051] inet_sendmsg+0x154/0x284 [ 78.101194][ T5051] __sys_sendto+0x30c/0x420 [ 78.101863][ T5051] __arm64_sys_sendto+0xd8/0xf8 [ 78.102532][ T5051] invoke_syscall+0x98/0x2b0 [ 78.103190][ T5051] el0_svc_common+0x138/0x258 [ 78.103915][ T5051] do_el0_svc+0x58/0x13c [ 78.104516][ T5051] el0_svc+0x78/0x1d0 [ 78.105072][ T5051] el0t_64_sync_handler+0xcc/0xe4 [ 78.105831][ T5051] el0t_64_sync+0x1a0/0x1a4 [ 78.107700][ T5051] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 78.109572][ T5051] CPU: 1 PID: 5051 Comm: syz.0.34 Not tainted syzkaller #0 [ 78.110645][ T5051] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.112138][ T5051] Call trace: [ 78.112631][ T5051] dump_backtrace+0x0/0x458 [ 78.113331][ T5051] show_stack+0x2c/0x3c [ 78.114008][ T5051] __dump_stack+0x30/0x40 [ 78.114745][ T5051] dump_stack_lvl+0xf4/0x15c [ 78.115451][ T5051] dump_stack+0x1c/0x5c [ 78.116103][ T5051] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 78.116937][ T5051] dccp_xmit_packet+0x298/0x448 [ 78.117620][ T5051] dccp_write_xmit+0x118/0x1d0 [ 78.118291][ T5051] dccp_sendmsg+0x550/0x8b8 [ 78.118963][ T5051] inet_sendmsg+0x154/0x284 [ 78.119635][ T5051] __sys_sendto+0x30c/0x420 [ 78.120298][ T5051] __arm64_sys_sendto+0xd8/0xf8 [ 78.121004][ T5051] invoke_syscall+0x98/0x2b0 [ 78.121720][ T5051] el0_svc_common+0x138/0x258 [ 78.122474][ T5051] do_el0_svc+0x58/0x13c [ 78.123084][ T5051] el0_svc+0x78/0x1d0 [ 78.123647][ T5051] el0t_64_sync_handler+0xcc/0xe4 [ 78.124366][ T5051] el0t_64_sync+0x1a0/0x1a4 [ 78.126654][ T5051] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 78.128530][ T5051] CPU: 1 PID: 5051 Comm: syz.0.34 Not tainted syzkaller #0 [ 78.129578][ T5051] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.131161][ T5051] Call trace: [ 78.131652][ T5051] dump_backtrace+0x0/0x458 [ 78.132298][ T5051] show_stack+0x2c/0x3c [ 78.132886][ T5051] __dump_stack+0x30/0x40 [ 78.133556][ T5051] dump_stack_lvl+0xf4/0x15c [ 78.134264][ T5051] dump_stack+0x1c/0x5c [ 78.134868][ T5051] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 78.135832][ T5051] dccp_xmit_packet+0x298/0x448 [ 78.136652][ T5051] dccp_write_xmit+0x118/0x1d0 [ 78.137472][ T5051] dccp_sendmsg+0x550/0x8b8 [ 78.138243][ T5051] inet_sendmsg+0x154/0x284 [ 78.138971][ T5051] __sys_sendto+0x30c/0x420 [ 78.139721][ T5051] __arm64_sys_sendto+0xd8/0xf8 [ 78.140546][ T5051] invoke_syscall+0x98/0x2b0 [ 78.141276][ T5051] el0_svc_common+0x138/0x258 [ 78.142050][ T5051] do_el0_svc+0x58/0x13c [ 78.142722][ T5051] el0_svc+0x78/0x1d0 [ 78.143308][ T5051] el0t_64_sync_handler+0xcc/0xe4 [ 78.144057][ T5051] el0t_64_sync+0x1a0/0x1a4 [ 78.145390][ T5051] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 78.147222][ T5051] CPU: 1 PID: 5051 Comm: syz.0.34 Not tainted syzkaller #0 [ 78.148341][ T5051] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.149800][ T5051] Call trace: [ 78.150327][ T5051] dump_backtrace+0x0/0x458 [ 78.150981][ T5051] show_stack+0x2c/0x3c [ 78.151602][ T5051] __dump_stack+0x30/0x40 [ 78.152291][ T5051] dump_stack_lvl+0xf4/0x15c [ 78.152990][ T5051] dump_stack+0x1c/0x5c [ 78.153598][ T5051] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 78.154495][ T5051] dccp_xmit_packet+0x298/0x448 [ 78.155232][ T5051] dccp_write_xmit+0x118/0x1d0 [ 78.155948][ T5051] dccp_sendmsg+0x550/0x8b8 [ 78.156638][ T5051] inet_sendmsg+0x154/0x284 [ 78.157374][ T5051] __sys_sendto+0x30c/0x420 [ 78.158039][ T5051] __arm64_sys_sendto+0xd8/0xf8 [ 78.158746][ T5051] invoke_syscall+0x98/0x2b0 [ 78.159435][ T5051] el0_svc_common+0x138/0x258 [ 78.160083][ T5051] do_el0_svc+0x58/0x13c [ 78.160694][ T5051] el0_svc+0x78/0x1d0 [ 78.161261][ T5051] el0t_64_sync_handler+0xcc/0xe4 [ 78.162011][ T5051] el0t_64_sync+0x1a0/0x1a4 [ 78.163008][ T5051] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 78.164800][ T5051] CPU: 1 PID: 5051 Comm: syz.0.34 Not tainted syzkaller #0 [ 78.165878][ T5051] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.167343][ T5051] Call trace: [ 78.167812][ T5051] dump_backtrace+0x0/0x458 [ 78.168460][ T5051] show_stack+0x2c/0x3c [ 78.169071][ T5051] __dump_stack+0x30/0x40 [ 78.169736][ T5051] dump_stack_lvl+0xf4/0x15c [ 78.170433][ T5051] dump_stack+0x1c/0x5c [ 78.171105][ T5051] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 78.171916][ T5051] dccp_xmit_packet+0x298/0x448 [ 78.172565][ T5051] dccp_write_xmit+0x118/0x1d0 [ 78.173266][ T5051] dccp_sendmsg+0x550/0x8b8 [ 78.173884][ T5051] inet_sendmsg+0x154/0x284 [ 78.174526][ T5051] __sys_sendto+0x30c/0x420 [ 78.175274][ T5051] __arm64_sys_sendto+0xd8/0xf8 [ 78.176020][ T5051] invoke_syscall+0x98/0x2b0 [ 78.176680][ T5051] el0_svc_common+0x138/0x258 [ 78.177365][ T5051] do_el0_svc+0x58/0x13c [ 78.178051][ T5051] el0_svc+0x78/0x1d0 [ 78.178695][ T5051] el0t_64_sync_handler+0xcc/0xe4 [ 78.179472][ T5051] el0t_64_sync+0x1a0/0x1a4 [ 78.180289][ T5051] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 78.181949][ T5051] CPU: 1 PID: 5051 Comm: syz.0.34 Not tainted syzkaller #0 [ 78.183002][ T5051] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.184537][ T5051] Call trace: [ 78.185039][ T5051] dump_backtrace+0x0/0x458 [ 78.185722][ T5051] show_stack+0x2c/0x3c [ 78.186329][ T5051] __dump_stack+0x30/0x40 [ 78.187060][ T5051] dump_stack_lvl+0xf4/0x15c [ 78.187774][ T5051] dump_stack+0x1c/0x5c [ 78.188385][ T5051] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 78.189193][ T5051] dccp_xmit_packet+0x298/0x448 [ 78.189943][ T5051] dccp_write_xmit+0x118/0x1d0 [ 78.190743][ T5051] dccp_sendmsg+0x550/0x8b8 [ 78.191483][ T5051] inet_sendmsg+0x154/0x284 [ 78.192198][ T5051] __sys_sendto+0x30c/0x420 [ 78.192907][ T5051] __arm64_sys_sendto+0xd8/0xf8 [ 78.193672][ T5051] invoke_syscall+0x98/0x2b0 [ 78.194431][ T5051] el0_svc_common+0x138/0x258 [ 78.195178][ T5051] do_el0_svc+0x58/0x13c [ 78.195859][ T5051] el0_svc+0x78/0x1d0 [ 78.196451][ T5051] el0t_64_sync_handler+0xcc/0xe4 [ 78.197179][ T5051] el0t_64_sync+0x1a0/0x1a4 [ 78.198346][ T5051] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 78.200190][ T5051] CPU: 1 PID: 5051 Comm: syz.0.34 Not tainted syzkaller #0 [ 78.201394][ T5051] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.202949][ T5051] Call trace: [ 78.203470][ T5051] dump_backtrace+0x0/0x458 [ 78.204234][ T5051] show_stack+0x2c/0x3c [ 78.204906][ T5051] __dump_stack+0x30/0x40 [ 78.205572][ T5051] dump_stack_lvl+0xf4/0x15c [ 78.206263][ T5051] dump_stack+0x1c/0x5c [ 78.206917][ T5051] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 78.207745][ T5051] dccp_xmit_packet+0x298/0x448 [ 78.208447][ T5051] dccp_write_xmit+0x118/0x1d0 [ 78.209135][ T5051] dccp_sendmsg+0x550/0x8b8 [ 78.209779][ T5051] inet_sendmsg+0x154/0x284 [ 78.210464][ T5051] __sys_sendto+0x30c/0x420 [ 78.211181][ T5051] __arm64_sys_sendto+0xd8/0xf8 [ 78.211895][ T5051] invoke_syscall+0x98/0x2b0 [ 78.212575][ T5051] el0_svc_common+0x138/0x258 [ 78.213260][ T5051] do_el0_svc+0x58/0x13c [ 78.213917][ T5051] el0_svc+0x78/0x1d0 [ 78.214503][ T5051] el0t_64_sync_handler+0xcc/0xe4 [ 78.215212][ T5051] el0t_64_sync+0x1a0/0x1a4 [ 78.215998][ T5051] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 78.217764][ T5051] CPU: 1 PID: 5051 Comm: syz.0.34 Not tainted syzkaller #0 [ 78.218859][ T5051] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.220477][ T5051] Call trace: [ 78.220963][ T5051] dump_backtrace+0x0/0x458 [ 78.221646][ T5051] show_stack+0x2c/0x3c [ 78.222303][ T5051] __dump_stack+0x30/0x40 [ 78.222976][ T5051] dump_stack_lvl+0xf4/0x15c [ 78.223719][ T5051] dump_stack+0x1c/0x5c [ 78.224398][ T5051] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 78.225283][ T5051] dccp_xmit_packet+0x298/0x448 [ 78.226046][ T5051] dccp_write_xmit+0x118/0x1d0 [ 78.226773][ T5051] dccp_sendmsg+0x550/0x8b8 [ 78.227414][ T5051] inet_sendmsg+0x154/0x284 [ 78.228101][ T5051] __sys_sendto+0x30c/0x420 [ 78.228806][ T5051] __arm64_sys_sendto+0xd8/0xf8 [ 78.229557][ T5051] invoke_syscall+0x98/0x2b0 [ 78.230256][ T5051] el0_svc_common+0x138/0x258 [ 78.230940][ T5051] do_el0_svc+0x58/0x13c [ 78.231563][ T5051] el0_svc+0x78/0x1d0 [ 78.232150][ T5051] el0t_64_sync_handler+0xcc/0xe4 [ 78.232952][ T5051] el0t_64_sync+0x1a0/0x1a4 [ 78.233817][ T5051] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 78.235444][ T5051] CPU: 1 PID: 5051 Comm: syz.0.34 Not tainted syzkaller #0 [ 78.236510][ T5051] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.237992][ T5051] Call trace: [ 78.238466][ T5051] dump_backtrace+0x0/0x458 [ 78.239112][ T5051] show_stack+0x2c/0x3c [ 78.239729][ T5051] __dump_stack+0x30/0x40 [ 78.240378][ T5051] dump_stack_lvl+0xf4/0x15c [ 78.241015][ T5051] dump_stack+0x1c/0x5c [ 78.241598][ T5051] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 78.242405][ T5051] dccp_xmit_packet+0x298/0x448 [ 78.243073][ T5051] dccp_write_xmit+0x118/0x1d0 [ 78.243744][ T5051] dccp_sendmsg+0x550/0x8b8 [ 78.244495][ T5051] inet_sendmsg+0x154/0x284 [ 78.245165][ T5051] __sys_sendto+0x30c/0x420 [ 78.245834][ T5051] __arm64_sys_sendto+0xd8/0xf8 [ 78.246640][ T5051] invoke_syscall+0x98/0x2b0 [ 78.247315][ T5051] el0_svc_common+0x138/0x258 [ 78.247965][ T5051] do_el0_svc+0x58/0x13c [ 78.248562][ T5051] el0_svc+0x78/0x1d0 [ 78.249161][ T5051] el0t_64_sync_handler+0xcc/0xe4 [ 78.249878][ T5051] el0t_64_sync+0x1a0/0x1a4 [ 78.250745][ T5051] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 78.252374][ T5051] CPU: 1 PID: 5051 Comm: syz.0.34 Not tainted syzkaller #0 [ 78.253329][ T5051] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.254755][ T5051] Call trace: [ 78.255267][ T5051] dump_backtrace+0x0/0x458 [ 78.255938][ T5051] show_stack+0x2c/0x3c [ 78.256578][ T5051] __dump_stack+0x30/0x40 [ 78.257270][ T5051] dump_stack_lvl+0xf4/0x15c [ 78.258007][ T5051] dump_stack+0x1c/0x5c [ 78.258640][ T5051] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 78.259452][ T5051] dccp_xmit_packet+0x298/0x448 [ 78.260203][ T5051] dccp_write_xmit+0x118/0x1d0 [ 78.260931][ T5051] dccp_sendmsg+0x550/0x8b8 [ 78.261678][ T5051] inet_sendmsg+0x154/0x284 [ 78.262370][ T5051] __sys_sendto+0x30c/0x420 [ 78.263051][ T5051] __arm64_sys_sendto+0xd8/0xf8 [ 78.263745][ T5051] invoke_syscall+0x98/0x2b0 [ 78.264455][ T5051] el0_svc_common+0x138/0x258 [ 78.265200][ T5051] do_el0_svc+0x58/0x13c [ 78.265805][ T5051] el0_svc+0x78/0x1d0 [ 78.266422][ T5051] el0t_64_sync_handler+0xcc/0xe4 [ 78.267169][ T5051] el0t_64_sync+0x1a0/0x1a4 [ 78.268776][ T5051] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 78.270533][ T5051] CPU: 1 PID: 5051 Comm: syz.0.34 Not tainted syzkaller #0 [ 78.271664][ T5051] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.273271][ T5051] Call trace: [ 78.273782][ T5051] dump_backtrace+0x0/0x458 [ 78.274459][ T5051] show_stack+0x2c/0x3c [ 78.275114][ T5051] __dump_stack+0x30/0x40 [ 78.275827][ T5051] dump_stack_lvl+0xf4/0x15c [ 78.276554][ T5051] dump_stack+0x1c/0x5c [ 78.277168][ T5051] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 78.277986][ T5051] dccp_xmit_packet+0x298/0x448 [ 78.278701][ T5051] dccp_write_xmit+0x118/0x1d0 [ 78.279418][ T5051] dccp_sendmsg+0x550/0x8b8 [ 78.280069][ T5051] inet_sendmsg+0x154/0x284 [ 78.280834][ T5051] __sys_sendto+0x30c/0x420 [ 78.281543][ T5051] __arm64_sys_sendto+0xd8/0xf8 [ 78.282336][ T5051] invoke_syscall+0x98/0x2b0 [ 78.283023][ T5051] el0_svc_common+0x138/0x258 [ 78.283741][ T5051] do_el0_svc+0x58/0x13c [ 78.284416][ T5051] el0_svc+0x78/0x1d0 [ 78.285002][ T5051] el0t_64_sync_handler+0xcc/0xe4 [ 78.285770][ T5051] el0t_64_sync+0x1a0/0x1a4 [ 78.306994][ T5053] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 78.308898][ T5053] CPU: 1 PID: 5053 Comm: syz.0.35 Not tainted syzkaller #0 [ 78.309955][ T5053] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.311422][ T5053] Call trace: [ 78.311916][ T5053] dump_backtrace+0x0/0x458 [ 78.312646][ T5053] show_stack+0x2c/0x3c [ 78.313305][ T5053] __dump_stack+0x30/0x40 [ 78.313973][ T5053] dump_stack_lvl+0xf4/0x15c [ 78.314734][ T5053] dump_stack+0x1c/0x5c [ 78.315360][ T5053] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 78.316118][ T5053] dccp_xmit_packet+0x298/0x448 [ 78.316914][ T5053] dccp_write_xmit+0x118/0x1d0 [ 78.317591][ T5053] dccp_sendmsg+0x550/0x8b8 [ 78.318234][ T5053] inet_sendmsg+0x154/0x284 [ 78.318917][ T5053] __sys_sendto+0x30c/0x420 [ 78.319603][ T5053] __arm64_sys_sendto+0xd8/0xf8 [ 78.320414][ T5053] invoke_syscall+0x98/0x2b0 [ 78.321163][ T5053] el0_svc_common+0x138/0x258 [ 78.321915][ T5053] do_el0_svc+0x58/0x13c [ 78.322606][ T5053] el0_svc+0x78/0x1d0 [ 78.323229][ T5053] el0t_64_sync_handler+0xcc/0xe4 [ 78.323997][ T5053] el0t_64_sync+0x1a0/0x1a4 [ 78.325798][ T5053] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 78.327614][ T5053] CPU: 0 PID: 5053 Comm: syz.0.35 Not tainted syzkaller #0 [ 78.328694][ T5053] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.330198][ T5053] Call trace: [ 78.330664][ T5053] dump_backtrace+0x0/0x458 [ 78.331331][ T5053] show_stack+0x2c/0x3c [ 78.331979][ T5053] __dump_stack+0x30/0x40 [ 78.332631][ T5053] dump_stack_lvl+0xf4/0x15c [ 78.333364][ T5053] dump_stack+0x1c/0x5c [ 78.333945][ T5053] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 78.334714][ T5053] dccp_xmit_packet+0x298/0x448 [ 78.335396][ T5053] dccp_write_xmit+0x118/0x1d0 [ 78.336111][ T5053] dccp_sendmsg+0x550/0x8b8 [ 78.336765][ T5053] inet_sendmsg+0x154/0x284 [ 78.337498][ T5053] __sys_sendto+0x30c/0x420 [ 78.338179][ T5053] __arm64_sys_sendto+0xd8/0xf8 [ 78.338911][ T5053] invoke_syscall+0x98/0x2b0 [ 78.339616][ T5053] el0_svc_common+0x138/0x258 [ 78.340305][ T5053] do_el0_svc+0x58/0x13c [ 78.340889][ T5053] el0_svc+0x78/0x1d0 [ 78.341446][ T5053] el0t_64_sync_handler+0xcc/0xe4 [ 78.342204][ T5053] el0t_64_sync+0x1a0/0x1a4 [ 78.344134][ T5053] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 78.346157][ T5053] CPU: 1 PID: 5053 Comm: syz.0.35 Not tainted syzkaller #0 [ 78.347145][ T5053] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.348583][ T5053] Call trace: [ 78.349037][ T5053] dump_backtrace+0x0/0x458 [ 78.349658][ T5053] show_stack+0x2c/0x3c [ 78.350250][ T5053] __dump_stack+0x30/0x40 [ 78.350956][ T5053] dump_stack_lvl+0xf4/0x15c [ 78.351598][ T5053] dump_stack+0x1c/0x5c [ 78.352203][ T5053] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 78.353061][ T5053] dccp_xmit_packet+0x298/0x448 [ 78.353795][ T5053] dccp_write_xmit+0x118/0x1d0 [ 78.354545][ T5053] dccp_sendmsg+0x550/0x8b8 [ 78.355311][ T5053] inet_sendmsg+0x154/0x284 [ 78.355993][ T5053] __sys_sendto+0x30c/0x420 [ 78.356698][ T5053] __arm64_sys_sendto+0xd8/0xf8 [ 78.357453][ T5053] invoke_syscall+0x98/0x2b0 [ 78.358154][ T5053] el0_svc_common+0x138/0x258 [ 78.358890][ T5053] do_el0_svc+0x58/0x13c [ 78.359572][ T5053] el0_svc+0x78/0x1d0 [ 78.360157][ T5053] el0t_64_sync_handler+0xcc/0xe4 [ 78.360943][ T5053] el0t_64_sync+0x1a0/0x1a4 [ 78.362030][ T5053] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 78.363725][ T5053] CPU: 1 PID: 5053 Comm: syz.0.35 Not tainted syzkaller #0 [ 78.364919][ T5053] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.366476][ T5053] Call trace: [ 78.366974][ T5053] dump_backtrace+0x0/0x458 [ 78.367592][ T5053] show_stack+0x2c/0x3c [ 78.368289][ T5053] __dump_stack+0x30/0x40 [ 78.368937][ T5053] dump_stack_lvl+0xf4/0x15c [ 78.369660][ T5053] dump_stack+0x1c/0x5c [ 78.370245][ T5053] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 78.371049][ T5053] dccp_xmit_packet+0x298/0x448 [ 78.371821][ T5053] dccp_write_xmit+0x118/0x1d0 [ 78.372539][ T5053] dccp_sendmsg+0x550/0x8b8 [ 78.373257][ T5053] inet_sendmsg+0x154/0x284 [ 78.373899][ T5053] __sys_sendto+0x30c/0x420 [ 78.374553][ T5053] __arm64_sys_sendto+0xd8/0xf8 [ 78.375256][ T5053] invoke_syscall+0x98/0x2b0 [ 78.375933][ T5053] el0_svc_common+0x138/0x258 [ 78.376633][ T5053] do_el0_svc+0x58/0x13c [ 78.377260][ T5053] el0_svc+0x78/0x1d0 [ 78.377826][ T5053] el0t_64_sync_handler+0xcc/0xe4 [ 78.378570][ T5053] el0t_64_sync+0x1a0/0x1a4 [ 78.379387][ T5053] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 78.380944][ T5053] CPU: 1 PID: 5053 Comm: syz.0.35 Not tainted syzkaller #0 [ 78.382193][ T5053] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.383741][ T5053] Call trace: [ 78.384229][ T5053] dump_backtrace+0x0/0x458 [ 78.384998][ T5053] show_stack+0x2c/0x3c [ 78.385622][ T5053] __dump_stack+0x30/0x40 [ 78.386317][ T5053] dump_stack_lvl+0xf4/0x15c [ 78.386997][ T5053] dump_stack+0x1c/0x5c [ 78.387653][ T5053] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 78.388520][ T5053] dccp_xmit_packet+0x298/0x448 [ 78.389318][ T5053] dccp_write_xmit+0x118/0x1d0 [ 78.390006][ T5053] dccp_sendmsg+0x550/0x8b8 [ 78.390718][ T5053] inet_sendmsg+0x154/0x284 [ 78.391332][ T5053] __sys_sendto+0x30c/0x420 [ 78.392012][ T5053] __arm64_sys_sendto+0xd8/0xf8 [ 78.392768][ T5053] invoke_syscall+0x98/0x2b0 [ 78.393535][ T5053] el0_svc_common+0x138/0x258 [ 78.394269][ T5053] do_el0_svc+0x58/0x13c [ 78.394906][ T5053] el0_svc+0x78/0x1d0 [ 78.395518][ T5053] el0t_64_sync_handler+0xcc/0xe4 [ 78.396318][ T5053] el0t_64_sync+0x1a0/0x1a4 [ 78.398135][ T5053] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 78.401090][ T5053] CPU: 0 PID: 5053 Comm: syz.0.35 Not tainted syzkaller #0 [ 78.402202][ T5053] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.403650][ T5053] Call trace: [ 78.404130][ T5053] dump_backtrace+0x0/0x458 [ 78.404794][ T5053] show_stack+0x2c/0x3c [ 78.405447][ T5053] __dump_stack+0x30/0x40 [ 78.406070][ T5053] dump_stack_lvl+0xf4/0x15c [ 78.406728][ T5053] dump_stack+0x1c/0x5c [ 78.407330][ T5053] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 78.408196][ T5053] dccp_xmit_packet+0x298/0x448 [ 78.408882][ T5053] dccp_write_xmit+0x118/0x1d0 [ 78.409605][ T5053] dccp_sendmsg+0x550/0x8b8 [ 78.410253][ T5053] inet_sendmsg+0x154/0x284 [ 78.410937][ T5053] __sys_sendto+0x30c/0x420 [ 78.411631][ T5053] __arm64_sys_sendto+0xd8/0xf8 [ 78.412380][ T5053] invoke_syscall+0x98/0x2b0 [ 78.413047][ T5053] el0_svc_common+0x138/0x258 [ 78.413773][ T5053] do_el0_svc+0x58/0x13c [ 78.414400][ T5053] el0_svc+0x78/0x1d0 [ 78.414949][ T5053] el0t_64_sync_handler+0xcc/0xe4 [ 78.415637][ T5053] el0t_64_sync+0x1a0/0x1a4 [ 78.417456][ T5053] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 78.419254][ T5053] CPU: 1 PID: 5053 Comm: syz.0.35 Not tainted syzkaller #0 [ 78.420388][ T5053] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.421988][ T5053] Call trace: [ 78.422511][ T5053] dump_backtrace+0x0/0x458 [ 78.423219][ T5053] show_stack+0x2c/0x3c [ 78.423857][ T5053] __dump_stack+0x30/0x40 [ 78.424516][ T5053] dump_stack_lvl+0xf4/0x15c [ 78.425206][ T5053] dump_stack+0x1c/0x5c [ 78.425842][ T5053] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 78.426673][ T5053] dccp_xmit_packet+0x298/0x448 [ 78.427344][ T5053] dccp_write_xmit+0x118/0x1d0 [ 78.428064][ T5053] dccp_sendmsg+0x550/0x8b8 [ 78.428820][ T5053] inet_sendmsg+0x154/0x284 [ 78.429484][ T5053] __sys_sendto+0x30c/0x420 [ 78.430257][ T5053] __arm64_sys_sendto+0xd8/0xf8 [ 78.430982][ T5053] invoke_syscall+0x98/0x2b0 [ 78.431718][ T5053] el0_svc_common+0x138/0x258 [ 78.432454][ T5053] do_el0_svc+0x58/0x13c [ 78.433081][ T5053] el0_svc+0x78/0x1d0 [ 78.433717][ T5053] el0t_64_sync_handler+0xcc/0xe4 [ 78.434462][ T5053] el0t_64_sync+0x1a0/0x1a4 [ 78.436511][ T5053] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 78.438299][ T5053] CPU: 0 PID: 5053 Comm: syz.0.35 Not tainted syzkaller #0 [ 78.439468][ T5053] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.441038][ T5053] Call trace: [ 78.441524][ T5053] dump_backtrace+0x0/0x458 [ 78.442210][ T5053] show_stack+0x2c/0x3c [ 78.442845][ T5053] __dump_stack+0x30/0x40 [ 78.443472][ T5053] dump_stack_lvl+0xf4/0x15c [ 78.444157][ T5053] dump_stack+0x1c/0x5c [ 78.444773][ T5053] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 78.445570][ T5053] dccp_xmit_packet+0x298/0x448 [ 78.446293][ T5053] dccp_write_xmit+0x118/0x1d0 [ 78.446978][ T5053] dccp_sendmsg+0x550/0x8b8 [ 78.447646][ T5053] inet_sendmsg+0x154/0x284 [ 78.448284][ T5053] __sys_sendto+0x30c/0x420 [ 78.448974][ T5053] __arm64_sys_sendto+0xd8/0xf8 [ 78.449734][ T5053] invoke_syscall+0x98/0x2b0 [ 78.450421][ T5053] el0_svc_common+0x138/0x258 [ 78.451095][ T5053] do_el0_svc+0x58/0x13c [ 78.451715][ T5053] el0_svc+0x78/0x1d0 [ 78.452330][ T5053] el0t_64_sync_handler+0xcc/0xe4 [ 78.453031][ T5053] el0t_64_sync+0x1a0/0x1a4 [ 78.454965][ T5053] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 78.456687][ T5053] CPU: 1 PID: 5053 Comm: syz.0.35 Not tainted syzkaller #0 [ 78.457747][ T5053] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.459277][ T5053] Call trace: [ 78.459749][ T5053] dump_backtrace+0x0/0x458 [ 78.460520][ T5053] show_stack+0x2c/0x3c [ 78.461142][ T5053] __dump_stack+0x30/0x40 [ 78.461756][ T5053] dump_stack_lvl+0xf4/0x15c [ 78.462452][ T5053] dump_stack+0x1c/0x5c [ 78.463054][ T5053] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 78.463890][ T5053] dccp_xmit_packet+0x298/0x448 [ 78.464657][ T5053] dccp_write_xmit+0x118/0x1d0 [ 78.465448][ T5053] dccp_sendmsg+0x550/0x8b8 [ 78.466128][ T5053] inet_sendmsg+0x154/0x284 [ 78.466916][ T5053] __sys_sendto+0x30c/0x420 [ 78.467621][ T5053] __arm64_sys_sendto+0xd8/0xf8 [ 78.468373][ T5053] invoke_syscall+0x98/0x2b0 [ 78.469088][ T5053] el0_svc_common+0x138/0x258 [ 78.469779][ T5053] do_el0_svc+0x58/0x13c [ 78.470491][ T5053] el0_svc+0x78/0x1d0 [ 78.471107][ T5053] el0t_64_sync_handler+0xcc/0xe4 [ 78.471908][ T5053] el0t_64_sync+0x1a0/0x1a4 [ 78.474235][ T5053] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 78.476116][ T5053] CPU: 1 PID: 5053 Comm: syz.0.35 Not tainted syzkaller #0 [ 78.477218][ T5053] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.478754][ T5053] Call trace: [ 78.479224][ T5053] dump_backtrace+0x0/0x458 [ 78.479853][ T5053] show_stack+0x2c/0x3c [ 78.480440][ T5053] __dump_stack+0x30/0x40 [ 78.481044][ T5053] dump_stack_lvl+0xf4/0x15c [ 78.481719][ T5053] dump_stack+0x1c/0x5c [ 78.482327][ T5053] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 78.483152][ T5053] dccp_xmit_packet+0x298/0x448 [ 78.483805][ T5053] dccp_write_xmit+0x118/0x1d0 [ 78.484535][ T5053] dccp_sendmsg+0x550/0x8b8 [ 78.485212][ T5053] inet_sendmsg+0x154/0x284 [ 78.485895][ T5053] __sys_sendto+0x30c/0x420 [ 78.486619][ T5053] __arm64_sys_sendto+0xd8/0xf8 [ 78.487383][ T5053] invoke_syscall+0x98/0x2b0 [ 78.488202][ T5053] el0_svc_common+0x138/0x258 [ 78.488980][ T5053] do_el0_svc+0x58/0x13c [ 78.489671][ T5053] el0_svc+0x78/0x1d0 [ 78.490312][ T5053] el0t_64_sync_handler+0xcc/0xe4 [ 78.491130][ T5053] el0t_64_sync+0x1a0/0x1a4 [ 78.492951][ T5053] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 78.494586][ T5053] CPU: 1 PID: 5053 Comm: syz.0.35 Not tainted syzkaller #0 [ 78.495621][ T5053] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.497134][ T5053] Call trace: [ 78.497627][ T5053] dump_backtrace+0x0/0x458 [ 78.498290][ T5053] show_stack+0x2c/0x3c [ 78.498904][ T5053] __dump_stack+0x30/0x40 [ 78.499568][ T5053] dump_stack_lvl+0xf4/0x15c [ 78.500285][ T5053] dump_stack+0x1c/0x5c [ 78.500873][ T5053] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 78.501673][ T5053] dccp_xmit_packet+0x298/0x448 [ 78.502364][ T5053] dccp_write_xmit+0x118/0x1d0 [ 78.503080][ T5053] dccp_sendmsg+0x550/0x8b8 [ 78.503688][ T5053] inet_sendmsg+0x154/0x284 [ 78.504361][ T5053] __sys_sendto+0x30c/0x420 [ 78.505086][ T5053] __arm64_sys_sendto+0xd8/0xf8 [ 78.505864][ T5053] invoke_syscall+0x98/0x2b0 [ 78.506517][ T5053] el0_svc_common+0x138/0x258 [ 78.507229][ T5053] do_el0_svc+0x58/0x13c [ 78.507901][ T5053] el0_svc+0x78/0x1d0 [ 78.508488][ T5053] el0t_64_sync_handler+0xcc/0xe4 [ 78.509229][ T5053] el0t_64_sync+0x1a0/0x1a4 [ 78.511039][ T5053] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 78.512747][ T5053] CPU: 1 PID: 5053 Comm: syz.0.35 Not tainted syzkaller #0 [ 78.513869][ T5053] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.515494][ T5053] Call trace: [ 78.515998][ T5053] dump_backtrace+0x0/0x458 [ 78.516695][ T5053] show_stack+0x2c/0x3c [ 78.517311][ T5053] __dump_stack+0x30/0x40 [ 78.518005][ T5053] dump_stack_lvl+0xf4/0x15c [ 78.518733][ T5053] dump_stack+0x1c/0x5c [ 78.519381][ T5053] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 78.520240][ T5053] dccp_xmit_packet+0x298/0x448 [ 78.520926][ T5053] dccp_write_xmit+0x118/0x1d0 [ 78.521576][ T5053] dccp_sendmsg+0x550/0x8b8 [ 78.522265][ T5053] inet_sendmsg+0x154/0x284 [ 78.522896][ T5053] __sys_sendto+0x30c/0x420 [ 78.523575][ T5053] __arm64_sys_sendto+0xd8/0xf8 [ 78.524306][ T5053] invoke_syscall+0x98/0x2b0 [ 78.524972][ T5053] el0_svc_common+0x138/0x258 [ 78.525686][ T5053] do_el0_svc+0x58/0x13c [ 78.526309][ T5053] el0_svc+0x78/0x1d0 [ 78.526887][ T5053] el0t_64_sync_handler+0xcc/0xe4 [ 78.527600][ T5053] el0t_64_sync+0x1a0/0x1a4 [ 78.528967][ T5053] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 78.530839][ T5053] CPU: 0 PID: 5053 Comm: syz.0.35 Not tainted syzkaller #0 [ 78.531955][ T5053] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.533584][ T5053] Call trace: [ 78.534130][ T5053] dump_backtrace+0x0/0x458 [ 78.534803][ T5053] show_stack+0x2c/0x3c [ 78.535442][ T5053] __dump_stack+0x30/0x40 [ 78.536060][ T5053] dump_stack_lvl+0xf4/0x15c [ 78.536745][ T5053] dump_stack+0x1c/0x5c [ 78.537331][ T5053] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 78.538151][ T5053] dccp_xmit_packet+0x298/0x448 [ 78.538831][ T5053] dccp_write_xmit+0x118/0x1d0 [ 78.539565][ T5053] dccp_sendmsg+0x550/0x8b8 [ 78.540214][ T5053] inet_sendmsg+0x154/0x284 [ 78.540873][ T5053] __sys_sendto+0x30c/0x420 [ 78.541526][ T5053] __arm64_sys_sendto+0xd8/0xf8 [ 78.542212][ T5053] invoke_syscall+0x98/0x2b0 [ 78.542927][ T5053] el0_svc_common+0x138/0x258 [ 78.543656][ T5053] do_el0_svc+0x58/0x13c [ 78.544284][ T5053] el0_svc+0x78/0x1d0 [ 78.544896][ T5053] el0t_64_sync_handler+0xcc/0xe4 [ 78.545673][ T5053] el0t_64_sync+0x1a0/0x1a4 [ 78.547253][ T5053] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 78.548932][ T5053] CPU: 0 PID: 5053 Comm: syz.0.35 Not tainted syzkaller #0 [ 78.549990][ T5053] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.551535][ T5053] Call trace: [ 78.552023][ T5053] dump_backtrace+0x0/0x458 [ 78.552760][ T5053] show_stack+0x2c/0x3c [ 78.553416][ T5053] __dump_stack+0x30/0x40 [ 78.554075][ T5053] dump_stack_lvl+0xf4/0x15c [ 78.554800][ T5053] dump_stack+0x1c/0x5c [ 78.555424][ T5053] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 78.556316][ T5053] dccp_xmit_packet+0x298/0x448 [ 78.557044][ T5053] dccp_write_xmit+0x118/0x1d0 [ 78.557762][ T5053] dccp_sendmsg+0x550/0x8b8 [ 78.558514][ T5053] inet_sendmsg+0x154/0x284 [ 78.559224][ T5053] __sys_sendto+0x30c/0x420 [ 78.559876][ T5053] __arm64_sys_sendto+0xd8/0xf8 [ 78.560644][ T5053] invoke_syscall+0x98/0x2b0 [ 78.561349][ T5053] el0_svc_common+0x138/0x258 [ 78.562048][ T5053] do_el0_svc+0x58/0x13c [ 78.562678][ T5053] el0_svc+0x78/0x1d0 [ 78.563269][ T5053] el0t_64_sync_handler+0xcc/0xe4 [ 78.564034][ T5053] el0t_64_sync+0x1a0/0x1a4 [ 78.580975][ T5069] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 78.582833][ T5069] CPU: 0 PID: 5069 Comm: syz.0.36 Not tainted syzkaller #0 [ 78.583895][ T5069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.585475][ T5069] Call trace: [ 78.585971][ T5069] dump_backtrace+0x0/0x458 [ 78.586677][ T5069] show_stack+0x2c/0x3c [ 78.587312][ T5069] __dump_stack+0x30/0x40 [ 78.587951][ T5069] dump_stack_lvl+0xf4/0x15c [ 78.588631][ T5069] dump_stack+0x1c/0x5c [ 78.589276][ T5069] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 78.590140][ T5069] dccp_xmit_packet+0x298/0x448 [ 78.590878][ T5069] dccp_write_xmit+0x118/0x1d0 [ 78.591584][ T5069] dccp_sendmsg+0x550/0x8b8 [ 78.592305][ T5069] inet_sendmsg+0x154/0x284 [ 78.592991][ T5069] __sys_sendto+0x30c/0x420 [ 78.593614][ T5069] __arm64_sys_sendto+0xd8/0xf8 [ 78.594329][ T5069] invoke_syscall+0x98/0x2b0 [ 78.595030][ T5069] el0_svc_common+0x138/0x258 [ 78.595707][ T5069] do_el0_svc+0x58/0x13c [ 78.596360][ T5069] el0_svc+0x78/0x1d0 [ 78.596948][ T5069] el0t_64_sync_handler+0xcc/0xe4 [ 78.597665][ T5069] el0t_64_sync+0x1a0/0x1a4 [ 78.598602][ T5069] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 78.600346][ T5069] CPU: 0 PID: 5069 Comm: syz.0.36 Not tainted syzkaller #0 [ 78.601414][ T5069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.602840][ T5069] Call trace: [ 78.603271][ T5069] dump_backtrace+0x0/0x458 [ 78.603881][ T5069] show_stack+0x2c/0x3c [ 78.604472][ T5069] __dump_stack+0x30/0x40 [ 78.605148][ T5069] dump_stack_lvl+0xf4/0x15c [ 78.605840][ T5069] dump_stack+0x1c/0x5c [ 78.606466][ T5069] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 78.607277][ T5069] dccp_xmit_packet+0x298/0x448 [ 78.608048][ T5069] dccp_write_xmit+0x118/0x1d0 [ 78.608784][ T5069] dccp_sendmsg+0x550/0x8b8 [ 78.609467][ T5069] inet_sendmsg+0x154/0x284 [ 78.610158][ T5069] __sys_sendto+0x30c/0x420 [ 78.610848][ T5069] __arm64_sys_sendto+0xd8/0xf8 [ 78.611588][ T5069] invoke_syscall+0x98/0x2b0 [ 78.612314][ T5069] el0_svc_common+0x138/0x258 [ 78.612991][ T5069] do_el0_svc+0x58/0x13c [ 78.613651][ T5069] el0_svc+0x78/0x1d0 [ 78.614272][ T5069] el0t_64_sync_handler+0xcc/0xe4 [ 78.615000][ T5069] el0t_64_sync+0x1a0/0x1a4 [ 78.616714][ T5069] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 78.618565][ T5069] CPU: 1 PID: 5069 Comm: syz.0.36 Not tainted syzkaller #0 [ 78.619688][ T5069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.621269][ T5069] Call trace: [ 78.621779][ T5069] dump_backtrace+0x0/0x458 [ 78.622427][ T5069] show_stack+0x2c/0x3c [ 78.622994][ T5069] __dump_stack+0x30/0x40 [ 78.623593][ T5069] dump_stack_lvl+0xf4/0x15c [ 78.624252][ T5069] dump_stack+0x1c/0x5c [ 78.624895][ T5069] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 78.625730][ T5069] dccp_xmit_packet+0x298/0x448 [ 78.626469][ T5069] dccp_write_xmit+0x118/0x1d0 [ 78.627144][ T5069] dccp_sendmsg+0x550/0x8b8 [ 78.627844][ T5069] inet_sendmsg+0x154/0x284 [ 78.628513][ T5069] __sys_sendto+0x30c/0x420 [ 78.629176][ T5069] __arm64_sys_sendto+0xd8/0xf8 [ 78.629891][ T5069] invoke_syscall+0x98/0x2b0 [ 78.630537][ T5069] el0_svc_common+0x138/0x258 [ 78.631260][ T5069] do_el0_svc+0x58/0x13c [ 78.631915][ T5069] el0_svc+0x78/0x1d0 [ 78.632517][ T5069] el0t_64_sync_handler+0xcc/0xe4 [ 78.633258][ T5069] el0t_64_sync+0x1a0/0x1a4 [ 78.635345][ T5069] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 78.637407][ T5069] CPU: 0 PID: 5069 Comm: syz.0.36 Not tainted syzkaller #0 [ 78.638468][ T5069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.639933][ T5069] Call trace: [ 78.640418][ T5069] dump_backtrace+0x0/0x458 [ 78.641047][ T5069] show_stack+0x2c/0x3c [ 78.641659][ T5069] __dump_stack+0x30/0x40 [ 78.642293][ T5069] dump_stack_lvl+0xf4/0x15c [ 78.642958][ T5069] dump_stack+0x1c/0x5c [ 78.643612][ T5069] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 78.644416][ T5069] dccp_xmit_packet+0x298/0x448 [ 78.645140][ T5069] dccp_write_xmit+0x118/0x1d0 [ 78.645849][ T5069] dccp_sendmsg+0x550/0x8b8 [ 78.646560][ T5069] inet_sendmsg+0x154/0x284 [ 78.647264][ T5069] __sys_sendto+0x30c/0x420 [ 78.647921][ T5069] __arm64_sys_sendto+0xd8/0xf8 [ 78.648679][ T5069] invoke_syscall+0x98/0x2b0 [ 78.649376][ T5069] el0_svc_common+0x138/0x258 [ 78.650045][ T5069] do_el0_svc+0x58/0x13c [ 78.650677][ T5069] el0_svc+0x78/0x1d0 [ 78.651251][ T5069] el0t_64_sync_handler+0xcc/0xe4 [ 78.652026][ T5069] el0t_64_sync+0x1a0/0x1a4 [ 78.653142][ T5069] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 78.655653][ T5069] CPU: 0 PID: 5069 Comm: syz.0.36 Not tainted syzkaller #0 [ 78.656748][ T5069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.658358][ T5069] Call trace: [ 78.658847][ T5069] dump_backtrace+0x0/0x458 [ 78.659570][ T5069] show_stack+0x2c/0x3c [ 78.660231][ T5069] __dump_stack+0x30/0x40 [ 78.660910][ T5069] dump_stack_lvl+0xf4/0x15c [ 78.661620][ T5069] dump_stack+0x1c/0x5c [ 78.662254][ T5069] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 78.663150][ T5069] dccp_xmit_packet+0x298/0x448 [ 78.663876][ T5069] dccp_write_xmit+0x118/0x1d0 [ 78.664592][ T5069] dccp_sendmsg+0x550/0x8b8 [ 78.665301][ T5069] inet_sendmsg+0x154/0x284 [ 78.665980][ T5069] __sys_sendto+0x30c/0x420 [ 78.666676][ T5069] __arm64_sys_sendto+0xd8/0xf8 [ 78.667498][ T5069] invoke_syscall+0x98/0x2b0 [ 78.668178][ T5069] el0_svc_common+0x138/0x258 [ 78.668884][ T5069] do_el0_svc+0x58/0x13c [ 78.669547][ T5069] el0_svc+0x78/0x1d0 [ 78.670203][ T5069] el0t_64_sync_handler+0xcc/0xe4 [ 78.670988][ T5069] el0t_64_sync+0x1a0/0x1a4 [ 78.671954][ T5069] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 78.673618][ T5069] CPU: 0 PID: 5069 Comm: syz.0.36 Not tainted syzkaller #0 [ 78.674706][ T5069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.676208][ T5069] Call trace: [ 78.676713][ T5069] dump_backtrace+0x0/0x458 [ 78.677424][ T5069] show_stack+0x2c/0x3c [ 78.678036][ T5069] __dump_stack+0x30/0x40 [ 78.678660][ T5069] dump_stack_lvl+0xf4/0x15c [ 78.679380][ T5069] dump_stack+0x1c/0x5c [ 78.680054][ T5069] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 78.680901][ T5069] dccp_xmit_packet+0x298/0x448 [ 78.681640][ T5069] dccp_write_xmit+0x118/0x1d0 [ 78.682384][ T5069] dccp_sendmsg+0x550/0x8b8 [ 78.683043][ T5069] inet_sendmsg+0x154/0x284 [ 78.683737][ T5069] __sys_sendto+0x30c/0x420 [ 78.684402][ T5069] __arm64_sys_sendto+0xd8/0xf8 [ 78.685136][ T5069] invoke_syscall+0x98/0x2b0 [ 78.685837][ T5069] el0_svc_common+0x138/0x258 [ 78.686510][ T5069] do_el0_svc+0x58/0x13c [ 78.687188][ T5069] el0_svc+0x78/0x1d0 [ 78.687791][ T5069] el0t_64_sync_handler+0xcc/0xe4 [ 78.688509][ T5069] el0t_64_sync+0x1a0/0x1a4 [ 78.690112][ T5069] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 78.691830][ T5069] CPU: 0 PID: 5069 Comm: syz.0.36 Not tainted syzkaller #0 [ 78.692868][ T5069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.694275][ T5069] Call trace: [ 78.694742][ T5069] dump_backtrace+0x0/0x458 [ 78.695381][ T5069] show_stack+0x2c/0x3c [ 78.695992][ T5069] __dump_stack+0x30/0x40 [ 78.696630][ T5069] dump_stack_lvl+0xf4/0x15c [ 78.697330][ T5069] dump_stack+0x1c/0x5c [ 78.697917][ T5069] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 78.698765][ T5069] dccp_xmit_packet+0x298/0x448 [ 78.699466][ T5069] dccp_write_xmit+0x118/0x1d0 [ 78.700252][ T5069] dccp_sendmsg+0x550/0x8b8 [ 78.700956][ T5069] inet_sendmsg+0x154/0x284 [ 78.701636][ T5069] __sys_sendto+0x30c/0x420 [ 78.702319][ T5069] __arm64_sys_sendto+0xd8/0xf8 [ 78.703038][ T5069] invoke_syscall+0x98/0x2b0 [ 78.703743][ T5069] el0_svc_common+0x138/0x258 [ 78.704416][ T5069] do_el0_svc+0x58/0x13c [ 78.705018][ T5069] el0_svc+0x78/0x1d0 [ 78.705566][ T5069] el0t_64_sync_handler+0xcc/0xe4 [ 78.706328][ T5069] el0t_64_sync+0x1a0/0x1a4 [ 78.707249][ T5069] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 78.709075][ T5069] CPU: 0 PID: 5069 Comm: syz.0.36 Not tainted syzkaller #0 [ 78.710120][ T5069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.711535][ T5069] Call trace: [ 78.712005][ T5069] dump_backtrace+0x0/0x458 [ 78.712589][ T5069] show_stack+0x2c/0x3c [ 78.713156][ T5069] __dump_stack+0x30/0x40 [ 78.713782][ T5069] dump_stack_lvl+0xf4/0x15c [ 78.714423][ T5069] dump_stack+0x1c/0x5c [ 78.714999][ T5069] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 78.715771][ T5069] dccp_xmit_packet+0x298/0x448 [ 78.716484][ T5069] dccp_write_xmit+0x118/0x1d0 [ 78.717239][ T5069] dccp_sendmsg+0x550/0x8b8 [ 78.717917][ T5069] inet_sendmsg+0x154/0x284 [ 78.718606][ T5069] __sys_sendto+0x30c/0x420 [ 78.719276][ T5069] __arm64_sys_sendto+0xd8/0xf8 [ 78.720003][ T5069] invoke_syscall+0x98/0x2b0 [ 78.720712][ T5069] el0_svc_common+0x138/0x258 [ 78.721395][ T5069] do_el0_svc+0x58/0x13c [ 78.722035][ T5069] el0_svc+0x78/0x1d0 [ 78.722652][ T5069] el0t_64_sync_handler+0xcc/0xe4 [ 78.723368][ T5069] el0t_64_sync+0x1a0/0x1a4 [ 78.724236][ T5069] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 78.726104][ T5069] CPU: 0 PID: 5069 Comm: syz.0.36 Not tainted syzkaller #0 [ 78.727247][ T5069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.728664][ T5069] Call trace: [ 78.729115][ T5069] dump_backtrace+0x0/0x458 [ 78.729819][ T5069] show_stack+0x2c/0x3c [ 78.730441][ T5069] __dump_stack+0x30/0x40 [ 78.731054][ T5069] dump_stack_lvl+0xf4/0x15c [ 78.731765][ T5069] dump_stack+0x1c/0x5c [ 78.732361][ T5069] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 78.733163][ T5069] dccp_xmit_packet+0x298/0x448 [ 78.733944][ T5069] dccp_write_xmit+0x118/0x1d0 [ 78.734666][ T5069] dccp_sendmsg+0x550/0x8b8 [ 78.735341][ T5069] inet_sendmsg+0x154/0x284 [ 78.736003][ T5069] __sys_sendto+0x30c/0x420 [ 78.736666][ T5069] __arm64_sys_sendto+0xd8/0xf8 [ 78.737388][ T5069] invoke_syscall+0x98/0x2b0 [ 78.738105][ T5069] el0_svc_common+0x138/0x258 [ 78.738858][ T5069] do_el0_svc+0x58/0x13c [ 78.739462][ T5069] el0_svc+0x78/0x1d0 [ 78.740031][ T5069] el0t_64_sync_handler+0xcc/0xe4 [ 78.740739][ T5069] el0t_64_sync+0x1a0/0x1a4 [ 78.741525][ T5069] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 78.743044][ T5069] CPU: 0 PID: 5069 Comm: syz.0.36 Not tainted syzkaller #0 [ 78.744078][ T5069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.745589][ T5069] Call trace: [ 78.746045][ T5069] dump_backtrace+0x0/0x458 [ 78.746723][ T5069] show_stack+0x2c/0x3c [ 78.747288][ T5069] __dump_stack+0x30/0x40 [ 78.747907][ T5069] dump_stack_lvl+0xf4/0x15c [ 78.748560][ T5069] dump_stack+0x1c/0x5c [ 78.749163][ T5069] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 78.749947][ T5069] dccp_xmit_packet+0x298/0x448 [ 78.750667][ T5069] dccp_write_xmit+0x118/0x1d0 [ 78.751364][ T5069] dccp_sendmsg+0x550/0x8b8 [ 78.752016][ T5069] inet_sendmsg+0x154/0x284 [ 78.752675][ T5069] __sys_sendto+0x30c/0x420 [ 78.753369][ T5069] __arm64_sys_sendto+0xd8/0xf8 [ 78.754125][ T5069] invoke_syscall+0x98/0x2b0 [ 78.754787][ T5069] el0_svc_common+0x138/0x258 [ 78.755447][ T5069] do_el0_svc+0x58/0x13c [ 78.756062][ T5069] el0_svc+0x78/0x1d0 [ 78.756720][ T5069] el0t_64_sync_handler+0xcc/0xe4 [ 78.757487][ T5069] el0t_64_sync+0x1a0/0x1a4 [ 78.758432][ T5069] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 78.760163][ T5069] CPU: 0 PID: 5069 Comm: syz.0.36 Not tainted syzkaller #0 [ 78.761281][ T5069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.762708][ T5069] Call trace: [ 78.763178][ T5069] dump_backtrace+0x0/0x458 [ 78.763854][ T5069] show_stack+0x2c/0x3c [ 78.764520][ T5069] __dump_stack+0x30/0x40 [ 78.765146][ T5069] dump_stack_lvl+0xf4/0x15c [ 78.765805][ T5069] dump_stack+0x1c/0x5c [ 78.766390][ T5069] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 78.767158][ T5069] dccp_xmit_packet+0x298/0x448 [ 78.767836][ T5069] dccp_write_xmit+0x118/0x1d0 [ 78.768531][ T5069] dccp_sendmsg+0x550/0x8b8 [ 78.769228][ T5069] inet_sendmsg+0x154/0x284 [ 78.769883][ T5069] __sys_sendto+0x30c/0x420 [ 78.770542][ T5069] __arm64_sys_sendto+0xd8/0xf8 [ 78.771189][ T5069] invoke_syscall+0x98/0x2b0 [ 78.771846][ T5069] el0_svc_common+0x138/0x258 [ 78.772562][ T5069] do_el0_svc+0x58/0x13c [ 78.773126][ T5069] el0_svc+0x78/0x1d0 [ 78.773733][ T5069] el0t_64_sync_handler+0xcc/0xe4 [ 78.774451][ T5069] el0t_64_sync+0x1a0/0x1a4 [ 78.775379][ T5069] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 78.776927][ T5069] CPU: 0 PID: 5069 Comm: syz.0.36 Not tainted syzkaller #0 [ 78.777898][ T5069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.779398][ T5069] Call trace: [ 78.779890][ T5069] dump_backtrace+0x0/0x458 [ 78.780501][ T5069] show_stack+0x2c/0x3c [ 78.781117][ T5069] __dump_stack+0x30/0x40 [ 78.781738][ T5069] dump_stack_lvl+0xf4/0x15c [ 78.782417][ T5069] dump_stack+0x1c/0x5c [ 78.783056][ T5069] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 78.783888][ T5069] dccp_xmit_packet+0x298/0x448 [ 78.784721][ T5069] dccp_write_xmit+0x118/0x1d0 [ 78.785539][ T5069] dccp_sendmsg+0x550/0x8b8 [ 78.786233][ T5069] inet_sendmsg+0x154/0x284 [ 78.786863][ T5069] __sys_sendto+0x30c/0x420 [ 78.787529][ T5069] __arm64_sys_sendto+0xd8/0xf8 [ 78.788249][ T5069] invoke_syscall+0x98/0x2b0 [ 78.788973][ T5069] el0_svc_common+0x138/0x258 [ 78.789665][ T5069] do_el0_svc+0x58/0x13c [ 78.790345][ T5069] el0_svc+0x78/0x1d0 [ 78.790950][ T5069] el0t_64_sync_handler+0xcc/0xe4 [ 78.791705][ T5069] el0t_64_sync+0x1a0/0x1a4 [ 78.792540][ T5069] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 78.794131][ T5069] CPU: 0 PID: 5069 Comm: syz.0.36 Not tainted syzkaller #0 [ 78.795136][ T5069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.796507][ T5069] Call trace: [ 78.796955][ T5069] dump_backtrace+0x0/0x458 [ 78.797580][ T5069] show_stack+0x2c/0x3c [ 78.798162][ T5069] __dump_stack+0x30/0x40 [ 78.798778][ T5069] dump_stack_lvl+0xf4/0x15c [ 78.799411][ T5069] dump_stack+0x1c/0x5c [ 78.800004][ T5069] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 78.800786][ T5069] dccp_xmit_packet+0x298/0x448 [ 78.801445][ T5069] dccp_write_xmit+0x118/0x1d0 [ 78.802122][ T5069] dccp_sendmsg+0x550/0x8b8 [ 78.802777][ T5069] inet_sendmsg+0x154/0x284 [ 78.803382][ T5069] __sys_sendto+0x30c/0x420 [ 78.804023][ T5069] __arm64_sys_sendto+0xd8/0xf8 [ 78.804767][ T5069] invoke_syscall+0x98/0x2b0 [ 78.805408][ T5069] el0_svc_common+0x138/0x258 [ 78.806077][ T5069] do_el0_svc+0x58/0x13c [ 78.806730][ T5069] el0_svc+0x78/0x1d0 [ 78.807316][ T5069] el0t_64_sync_handler+0xcc/0xe4 [ 78.808051][ T5069] el0t_64_sync+0x1a0/0x1a4 [ 78.809206][ T5069] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 78.810800][ T5069] CPU: 0 PID: 5069 Comm: syz.0.36 Not tainted syzkaller #0 [ 78.811779][ T5069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.813194][ T5069] Call trace: [ 78.813708][ T5069] dump_backtrace+0x0/0x458 [ 78.814345][ T5069] show_stack+0x2c/0x3c [ 78.814981][ T5069] __dump_stack+0x30/0x40 [ 78.815654][ T5069] dump_stack_lvl+0xf4/0x15c [ 78.816377][ T5069] dump_stack+0x1c/0x5c [ 78.817011][ T5069] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 78.817833][ T5069] dccp_xmit_packet+0x298/0x448 [ 78.818515][ T5069] dccp_write_xmit+0x118/0x1d0 [ 78.819181][ T5069] dccp_sendmsg+0x550/0x8b8 [ 78.819849][ T5069] inet_sendmsg+0x154/0x284 [ 78.820505][ T5069] __sys_sendto+0x30c/0x420 [ 78.821143][ T5069] __arm64_sys_sendto+0xd8/0xf8 [ 78.821860][ T5069] invoke_syscall+0x98/0x2b0 [ 78.822633][ T5069] el0_svc_common+0x138/0x258 [ 78.823417][ T5069] do_el0_svc+0x58/0x13c [ 78.824095][ T5069] el0_svc+0x78/0x1d0 [ 78.824714][ T5069] el0t_64_sync_handler+0xcc/0xe4 [ 78.825535][ T5069] el0t_64_sync+0x1a0/0x1a4 [ 78.826449][ T5069] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 78.828091][ T5069] CPU: 0 PID: 5069 Comm: syz.0.36 Not tainted syzkaller #0 [ 78.829097][ T5069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.830556][ T5069] Call trace: [ 78.831052][ T5069] dump_backtrace+0x0/0x458 [ 78.831752][ T5069] show_stack+0x2c/0x3c [ 78.832324][ T5069] __dump_stack+0x30/0x40 [ 78.832954][ T5069] dump_stack_lvl+0xf4/0x15c [ 78.833644][ T5069] dump_stack+0x1c/0x5c [ 78.834272][ T5069] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 78.835102][ T5069] dccp_xmit_packet+0x298/0x448 [ 78.835790][ T5069] dccp_write_xmit+0x118/0x1d0 [ 78.836541][ T5069] dccp_sendmsg+0x550/0x8b8 [ 78.837185][ T5069] inet_sendmsg+0x154/0x284 [ 78.837824][ T5069] __sys_sendto+0x30c/0x420 [ 78.838478][ T5069] __arm64_sys_sendto+0xd8/0xf8 [ 78.839231][ T5069] invoke_syscall+0x98/0x2b0 [ 78.839927][ T5069] el0_svc_common+0x138/0x258 [ 78.840642][ T5069] do_el0_svc+0x58/0x13c [ 78.841283][ T5069] el0_svc+0x78/0x1d0 [ 78.841882][ T5069] el0t_64_sync_handler+0xcc/0xe4 [ 78.842536][ T5069] el0t_64_sync+0x1a0/0x1a4 [ 78.844354][ T5069] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 78.846220][ T5069] CPU: 1 PID: 5069 Comm: syz.0.36 Not tainted syzkaller #0 [ 78.847331][ T5069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.848903][ T5069] Call trace: [ 78.849429][ T5069] dump_backtrace+0x0/0x458 [ 78.850117][ T5069] show_stack+0x2c/0x3c [ 78.850704][ T5069] __dump_stack+0x30/0x40 [ 78.851359][ T5069] dump_stack_lvl+0xf4/0x15c [ 78.852007][ T5069] dump_stack+0x1c/0x5c [ 78.852619][ T5069] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 78.853388][ T5069] dccp_xmit_packet+0x298/0x448 [ 78.854100][ T5069] dccp_write_xmit+0x118/0x1d0 [ 78.854843][ T5069] dccp_sendmsg+0x550/0x8b8 [ 78.855551][ T5069] inet_sendmsg+0x154/0x284 [ 78.856236][ T5069] __sys_sendto+0x30c/0x420 [ 78.856923][ T5069] __arm64_sys_sendto+0xd8/0xf8 [ 78.857618][ T5069] invoke_syscall+0x98/0x2b0 [ 78.858283][ T5069] el0_svc_common+0x138/0x258 [ 78.858990][ T5069] do_el0_svc+0x58/0x13c [ 78.859577][ T5069] el0_svc+0x78/0x1d0 [ 78.860156][ T5069] el0t_64_sync_handler+0xcc/0xe4 [ 78.860891][ T5069] el0t_64_sync+0x1a0/0x1a4 [ 78.861768][ T5069] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 78.863352][ T5069] CPU: 1 PID: 5069 Comm: syz.0.36 Not tainted syzkaller #0 [ 78.864376][ T5069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.865958][ T5069] Call trace: [ 78.866458][ T5069] dump_backtrace+0x0/0x458 [ 78.867142][ T5069] show_stack+0x2c/0x3c [ 78.867781][ T5069] __dump_stack+0x30/0x40 [ 78.868460][ T5069] dump_stack_lvl+0xf4/0x15c [ 78.869130][ T5069] dump_stack+0x1c/0x5c [ 78.869770][ T5069] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 78.870578][ T5069] dccp_xmit_packet+0x298/0x448 [ 78.871301][ T5069] dccp_write_xmit+0x118/0x1d0 [ 78.872004][ T5069] dccp_sendmsg+0x550/0x8b8 [ 78.872668][ T5069] inet_sendmsg+0x154/0x284 [ 78.873313][ T5069] __sys_sendto+0x30c/0x420 [ 78.873987][ T5069] __arm64_sys_sendto+0xd8/0xf8 [ 78.874680][ T5069] invoke_syscall+0x98/0x2b0 [ 78.875375][ T5069] el0_svc_common+0x138/0x258 [ 78.876074][ T5069] do_el0_svc+0x58/0x13c [ 78.876718][ T5069] el0_svc+0x78/0x1d0 [ 78.877303][ T5069] el0t_64_sync_handler+0xcc/0xe4 [ 78.878012][ T5069] el0t_64_sync+0x1a0/0x1a4 [ 78.879068][ T5069] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 78.880765][ T5069] CPU: 1 PID: 5069 Comm: syz.0.36 Not tainted syzkaller #0 [ 78.881842][ T5069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.883373][ T5069] Call trace: [ 78.883891][ T5069] dump_backtrace+0x0/0x458 [ 78.884572][ T5069] show_stack+0x2c/0x3c [ 78.885267][ T5069] __dump_stack+0x30/0x40 [ 78.885942][ T5069] dump_stack_lvl+0xf4/0x15c [ 78.886671][ T5069] dump_stack+0x1c/0x5c [ 78.887276][ T5069] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 78.888135][ T5069] dccp_xmit_packet+0x298/0x448 [ 78.888848][ T5069] dccp_write_xmit+0x118/0x1d0 [ 78.889537][ T5069] dccp_sendmsg+0x550/0x8b8 [ 78.890174][ T5069] inet_sendmsg+0x154/0x284 [ 78.890833][ T5069] __sys_sendto+0x30c/0x420 [ 78.891512][ T5069] __arm64_sys_sendto+0xd8/0xf8 [ 78.892233][ T5069] invoke_syscall+0x98/0x2b0 [ 78.892949][ T5069] el0_svc_common+0x138/0x258 [ 78.893629][ T5069] do_el0_svc+0x58/0x13c [ 78.894244][ T5069] el0_svc+0x78/0x1d0 [ 78.894840][ T5069] el0t_64_sync_handler+0xcc/0xe4 [ 78.895560][ T5069] el0t_64_sync+0x1a0/0x1a4 [ 78.896339][ T5069] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 78.897901][ T5069] CPU: 1 PID: 5069 Comm: syz.0.36 Not tainted syzkaller #0 [ 78.898911][ T5069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.900304][ T5069] Call trace: [ 78.900770][ T5069] dump_backtrace+0x0/0x458 [ 78.901483][ T5069] show_stack+0x2c/0x3c [ 78.902071][ T5069] __dump_stack+0x30/0x40 [ 78.902682][ T5069] dump_stack_lvl+0xf4/0x15c [ 78.903369][ T5069] dump_stack+0x1c/0x5c [ 78.903972][ T5069] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 78.904712][ T5069] dccp_xmit_packet+0x298/0x448 [ 78.905391][ T5069] dccp_write_xmit+0x118/0x1d0 [ 78.906078][ T5069] dccp_sendmsg+0x550/0x8b8 [ 78.906800][ T5069] inet_sendmsg+0x154/0x284 [ 78.907501][ T5069] __sys_sendto+0x30c/0x420 [ 78.908216][ T5069] __arm64_sys_sendto+0xd8/0xf8 [ 78.908915][ T5069] invoke_syscall+0x98/0x2b0 [ 78.909602][ T5069] el0_svc_common+0x138/0x258 [ 78.910397][ T5069] do_el0_svc+0x58/0x13c [ 78.911008][ T5069] el0_svc+0x78/0x1d0 [ 78.911634][ T5069] el0t_64_sync_handler+0xcc/0xe4 [ 78.912394][ T5069] el0t_64_sync+0x1a0/0x1a4 [ 78.929396][ T5071] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 78.931167][ T5071] CPU: 0 PID: 5071 Comm: syz.0.37 Not tainted syzkaller #0 [ 78.932213][ T5071] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.933661][ T5071] Call trace: [ 78.934143][ T5071] dump_backtrace+0x0/0x458 [ 78.934801][ T5071] show_stack+0x2c/0x3c [ 78.935397][ T5071] __dump_stack+0x30/0x40 [ 78.936072][ T5071] dump_stack_lvl+0xf4/0x15c [ 78.936731][ T5071] dump_stack+0x1c/0x5c [ 78.937339][ T5071] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 78.938159][ T5071] dccp_xmit_packet+0x298/0x448 [ 78.938907][ T5071] dccp_write_xmit+0x118/0x1d0 [ 78.939642][ T5071] dccp_sendmsg+0x550/0x8b8 [ 78.940272][ T5071] inet_sendmsg+0x154/0x284 [ 78.941099][ T5071] __sys_sendto+0x30c/0x420 [ 78.941872][ T5071] __arm64_sys_sendto+0xd8/0xf8 [ 78.942645][ T5071] invoke_syscall+0x98/0x2b0 [ 78.943417][ T5071] el0_svc_common+0x138/0x258 [ 78.944227][ T5071] do_el0_svc+0x58/0x13c [ 78.944949][ T5071] el0_svc+0x78/0x1d0 [ 78.945598][ T5071] el0t_64_sync_handler+0xcc/0xe4 [ 78.946425][ T5071] el0t_64_sync+0x1a0/0x1a4 [ 78.947424][ T5071] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 78.949176][ T5071] CPU: 0 PID: 5071 Comm: syz.0.37 Not tainted syzkaller #0 [ 78.950324][ T5071] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.951944][ T5071] Call trace: [ 78.952419][ T5071] dump_backtrace+0x0/0x458 [ 78.953133][ T5071] show_stack+0x2c/0x3c [ 78.953769][ T5071] __dump_stack+0x30/0x40 [ 78.954426][ T5071] dump_stack_lvl+0xf4/0x15c [ 78.955165][ T5071] dump_stack+0x1c/0x5c [ 78.955836][ T5071] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 78.956741][ T5071] dccp_xmit_packet+0x298/0x448 [ 78.957487][ T5071] dccp_write_xmit+0x118/0x1d0 [ 78.958199][ T5071] dccp_sendmsg+0x550/0x8b8 [ 78.958867][ T5071] inet_sendmsg+0x154/0x284 [ 78.959536][ T5071] __sys_sendto+0x30c/0x420 [ 78.960215][ T5071] __arm64_sys_sendto+0xd8/0xf8 [ 78.960925][ T5071] invoke_syscall+0x98/0x2b0 [ 78.961632][ T5071] el0_svc_common+0x138/0x258 [ 78.962303][ T5071] do_el0_svc+0x58/0x13c [ 78.962952][ T5071] el0_svc+0x78/0x1d0 [ 78.963507][ T5071] el0t_64_sync_handler+0xcc/0xe4 [ 78.964248][ T5071] el0t_64_sync+0x1a0/0x1a4 [ 78.965047][ T5071] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 78.966653][ T5071] CPU: 0 PID: 5071 Comm: syz.0.37 Not tainted syzkaller #0 [ 78.967609][ T5071] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.969007][ T5071] Call trace: [ 78.969491][ T5071] dump_backtrace+0x0/0x458 [ 78.970163][ T5071] show_stack+0x2c/0x3c [ 78.970732][ T5071] __dump_stack+0x30/0x40 [ 78.971370][ T5071] dump_stack_lvl+0xf4/0x15c [ 78.972027][ T5071] dump_stack+0x1c/0x5c [ 78.972665][ T5071] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 78.973443][ T5071] dccp_xmit_packet+0x298/0x448 [ 78.974086][ T5071] dccp_write_xmit+0x118/0x1d0 [ 78.974719][ T5071] dccp_sendmsg+0x550/0x8b8 [ 78.975323][ T5071] inet_sendmsg+0x154/0x284 [ 78.976013][ T5071] __sys_sendto+0x30c/0x420 [ 78.976713][ T5071] __arm64_sys_sendto+0xd8/0xf8 [ 78.977468][ T5071] invoke_syscall+0x98/0x2b0 [ 78.978135][ T5071] el0_svc_common+0x138/0x258 [ 78.978896][ T5071] do_el0_svc+0x58/0x13c [ 78.979550][ T5071] el0_svc+0x78/0x1d0 [ 78.980090][ T5071] el0t_64_sync_handler+0xcc/0xe4 [ 78.980815][ T5071] el0t_64_sync+0x1a0/0x1a4 [ 78.982069][ T5071] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 78.983648][ T5071] CPU: 0 PID: 5071 Comm: syz.0.37 Not tainted syzkaller #0 [ 78.984752][ T5071] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.986281][ T5071] Call trace: [ 78.986780][ T5071] dump_backtrace+0x0/0x458 [ 78.987455][ T5071] show_stack+0x2c/0x3c [ 78.988052][ T5071] __dump_stack+0x30/0x40 [ 78.988679][ T5071] dump_stack_lvl+0xf4/0x15c [ 78.989349][ T5071] dump_stack+0x1c/0x5c [ 78.989911][ T5071] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 78.990707][ T5071] dccp_xmit_packet+0x298/0x448 [ 78.991369][ T5071] dccp_write_xmit+0x118/0x1d0 [ 78.992117][ T5071] dccp_sendmsg+0x550/0x8b8 [ 78.992746][ T5071] inet_sendmsg+0x154/0x284 [ 78.993381][ T5071] __sys_sendto+0x30c/0x420 [ 78.994025][ T5071] __arm64_sys_sendto+0xd8/0xf8 [ 78.994676][ T5071] invoke_syscall+0x98/0x2b0 [ 78.995362][ T5071] el0_svc_common+0x138/0x258 [ 78.996032][ T5071] do_el0_svc+0x58/0x13c [ 78.996602][ T5071] el0_svc+0x78/0x1d0 [ 78.997190][ T5071] el0t_64_sync_handler+0xcc/0xe4 [ 78.997947][ T5071] el0t_64_sync+0x1a0/0x1a4 [ 78.999193][ T5071] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 79.000855][ T5071] CPU: 0 PID: 5071 Comm: syz.0.37 Not tainted syzkaller #0 [ 79.001930][ T5071] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.003378][ T5071] Call trace: [ 79.003871][ T5071] dump_backtrace+0x0/0x458 [ 79.004566][ T5071] show_stack+0x2c/0x3c [ 79.005174][ T5071] __dump_stack+0x30/0x40 [ 79.005788][ T5071] dump_stack_lvl+0xf4/0x15c [ 79.006478][ T5071] dump_stack+0x1c/0x5c [ 79.007100][ T5071] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 79.007917][ T5071] dccp_xmit_packet+0x298/0x448 [ 79.008615][ T5071] dccp_write_xmit+0x118/0x1d0 [ 79.009265][ T5071] dccp_sendmsg+0x550/0x8b8 [ 79.009943][ T5071] inet_sendmsg+0x154/0x284 [ 79.010588][ T5071] __sys_sendto+0x30c/0x420 [ 79.011219][ T5071] __arm64_sys_sendto+0xd8/0xf8 [ 79.011901][ T5071] invoke_syscall+0x98/0x2b0 [ 79.012535][ T5071] el0_svc_common+0x138/0x258 [ 79.013241][ T5071] do_el0_svc+0x58/0x13c [ 79.013874][ T5071] el0_svc+0x78/0x1d0 [ 79.014461][ T5071] el0t_64_sync_handler+0xcc/0xe4 [ 79.015207][ T5071] el0t_64_sync+0x1a0/0x1a4 [ 79.016183][ T5071] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 79.017780][ T5071] CPU: 0 PID: 5071 Comm: syz.0.37 Not tainted syzkaller #0 [ 79.018825][ T5071] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.020202][ T5071] Call trace: [ 79.020671][ T5071] dump_backtrace+0x0/0x458 [ 79.021266][ T5071] show_stack+0x2c/0x3c [ 79.021895][ T5071] __dump_stack+0x30/0x40 [ 79.022531][ T5071] dump_stack_lvl+0xf4/0x15c [ 79.023208][ T5071] dump_stack+0x1c/0x5c [ 79.023795][ T5071] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 79.024627][ T5071] dccp_xmit_packet+0x298/0x448 [ 79.025312][ T5071] dccp_write_xmit+0x118/0x1d0 [ 79.026070][ T5071] dccp_sendmsg+0x550/0x8b8 [ 79.026801][ T5071] inet_sendmsg+0x154/0x284 [ 79.027474][ T5071] __sys_sendto+0x30c/0x420 [ 79.028183][ T5071] __arm64_sys_sendto+0xd8/0xf8 [ 79.028906][ T5071] invoke_syscall+0x98/0x2b0 [ 79.029579][ T5071] el0_svc_common+0x138/0x258 [ 79.030266][ T5071] do_el0_svc+0x58/0x13c [ 79.030879][ T5071] el0_svc+0x78/0x1d0 [ 79.031471][ T5071] el0t_64_sync_handler+0xcc/0xe4 [ 79.032229][ T5071] el0t_64_sync+0x1a0/0x1a4 [ 79.033398][ T5071] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 79.035188][ T5071] CPU: 0 PID: 5071 Comm: syz.0.37 Not tainted syzkaller #0 [ 79.036271][ T5071] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.037870][ T5071] Call trace: [ 79.038327][ T5071] dump_backtrace+0x0/0x458 [ 79.038965][ T5071] show_stack+0x2c/0x3c [ 79.039590][ T5071] __dump_stack+0x30/0x40 [ 79.040258][ T5071] dump_stack_lvl+0xf4/0x15c [ 79.040956][ T5071] dump_stack+0x1c/0x5c [ 79.041599][ T5071] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 79.042354][ T5071] dccp_xmit_packet+0x298/0x448 [ 79.043070][ T5071] dccp_write_xmit+0x118/0x1d0 [ 79.043718][ T5071] dccp_sendmsg+0x550/0x8b8 [ 79.044351][ T5071] inet_sendmsg+0x154/0x284 [ 79.044976][ T5071] __sys_sendto+0x30c/0x420 [ 79.045628][ T5071] __arm64_sys_sendto+0xd8/0xf8 [ 79.046372][ T5071] invoke_syscall+0x98/0x2b0 [ 79.047084][ T5071] el0_svc_common+0x138/0x258 [ 79.047812][ T5071] do_el0_svc+0x58/0x13c [ 79.048479][ T5071] el0_svc+0x78/0x1d0 [ 79.049080][ T5071] el0t_64_sync_handler+0xcc/0xe4 [ 79.049782][ T5071] el0t_64_sync+0x1a0/0x1a4 [ 79.051629][ T5071] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 79.053473][ T5071] CPU: 1 PID: 5071 Comm: syz.0.37 Not tainted syzkaller #0 [ 79.054624][ T5071] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.056168][ T5071] Call trace: [ 79.056704][ T5071] dump_backtrace+0x0/0x458 [ 79.057391][ T5071] show_stack+0x2c/0x3c [ 79.057989][ T5071] __dump_stack+0x30/0x40 [ 79.058639][ T5071] dump_stack_lvl+0xf4/0x15c [ 79.059380][ T5071] dump_stack+0x1c/0x5c [ 79.060049][ T5071] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 79.060892][ T5071] dccp_xmit_packet+0x298/0x448 [ 79.061595][ T5071] dccp_write_xmit+0x118/0x1d0 [ 79.062287][ T5071] dccp_sendmsg+0x550/0x8b8 [ 79.062968][ T5071] inet_sendmsg+0x154/0x284 [ 79.063652][ T5071] __sys_sendto+0x30c/0x420 [ 79.064297][ T5071] __arm64_sys_sendto+0xd8/0xf8 [ 79.064974][ T5071] invoke_syscall+0x98/0x2b0 [ 79.065677][ T5071] el0_svc_common+0x138/0x258 [ 79.066350][ T5071] do_el0_svc+0x58/0x13c [ 79.067077][ T5071] el0_svc+0x78/0x1d0 [ 79.067706][ T5071] el0t_64_sync_handler+0xcc/0xe4 [ 79.068463][ T5071] el0t_64_sync+0x1a0/0x1a4 [ 79.069892][ T5071] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 79.071517][ T5071] CPU: 1 PID: 5071 Comm: syz.0.37 Not tainted syzkaller #0 [ 79.072539][ T5071] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.073993][ T5071] Call trace: [ 79.074472][ T5071] dump_backtrace+0x0/0x458 [ 79.075213][ T5071] show_stack+0x2c/0x3c [ 79.075839][ T5071] __dump_stack+0x30/0x40 [ 79.076475][ T5071] dump_stack_lvl+0xf4/0x15c [ 79.077203][ T5071] dump_stack+0x1c/0x5c [ 79.077817][ T5071] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 79.078601][ T5071] dccp_xmit_packet+0x298/0x448 [ 79.079316][ T5071] dccp_write_xmit+0x118/0x1d0 [ 79.080043][ T5071] dccp_sendmsg+0x550/0x8b8 [ 79.080686][ T5071] inet_sendmsg+0x154/0x284 [ 79.081404][ T5071] __sys_sendto+0x30c/0x420 [ 79.082058][ T5071] __arm64_sys_sendto+0xd8/0xf8 [ 79.082810][ T5071] invoke_syscall+0x98/0x2b0 [ 79.083481][ T5071] el0_svc_common+0x138/0x258 [ 79.084184][ T5071] do_el0_svc+0x58/0x13c [ 79.084797][ T5071] el0_svc+0x78/0x1d0 [ 79.085353][ T5071] el0t_64_sync_handler+0xcc/0xe4 [ 79.086098][ T5071] el0t_64_sync+0x1a0/0x1a4 [ 79.087111][ T5071] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 79.088874][ T5071] CPU: 1 PID: 5071 Comm: syz.0.37 Not tainted syzkaller #0 [ 79.089942][ T5071] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.091288][ T5071] Call trace: [ 79.091733][ T5071] dump_backtrace+0x0/0x458 [ 79.092372][ T5071] show_stack+0x2c/0x3c [ 79.092974][ T5071] __dump_stack+0x30/0x40 [ 79.093614][ T5071] dump_stack_lvl+0xf4/0x15c [ 79.094263][ T5071] dump_stack+0x1c/0x5c [ 79.094868][ T5071] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 79.095692][ T5071] dccp_xmit_packet+0x298/0x448 [ 79.096409][ T5071] dccp_write_xmit+0x118/0x1d0 [ 79.097152][ T5071] dccp_sendmsg+0x550/0x8b8 [ 79.097869][ T5071] inet_sendmsg+0x154/0x284 [ 79.098550][ T5071] __sys_sendto+0x30c/0x420 [ 79.099187][ T5071] __arm64_sys_sendto+0xd8/0xf8 [ 79.099954][ T5071] invoke_syscall+0x98/0x2b0 [ 79.100675][ T5071] el0_svc_common+0x138/0x258 [ 79.101450][ T5071] do_el0_svc+0x58/0x13c [ 79.102089][ T5071] el0_svc+0x78/0x1d0 [ 79.102723][ T5071] el0t_64_sync_handler+0xcc/0xe4 [ 79.103530][ T5071] el0t_64_sync+0x1a0/0x1a4 [ 79.104397][ T5071] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 79.106053][ T5071] CPU: 1 PID: 5071 Comm: syz.0.37 Not tainted syzkaller #0 [ 79.107049][ T5071] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.108458][ T5071] Call trace: [ 79.108947][ T5071] dump_backtrace+0x0/0x458 [ 79.109562][ T5071] show_stack+0x2c/0x3c [ 79.110147][ T5071] __dump_stack+0x30/0x40 [ 79.110768][ T5071] dump_stack_lvl+0xf4/0x15c [ 79.111409][ T5071] dump_stack+0x1c/0x5c [ 79.112044][ T5071] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 79.112878][ T5071] dccp_xmit_packet+0x298/0x448 [ 79.113609][ T5071] dccp_write_xmit+0x118/0x1d0 [ 79.114335][ T5071] dccp_sendmsg+0x550/0x8b8 [ 79.115099][ T5071] inet_sendmsg+0x154/0x284 [ 79.115759][ T5071] __sys_sendto+0x30c/0x420 [ 79.116400][ T5071] __arm64_sys_sendto+0xd8/0xf8 [ 79.117113][ T5071] invoke_syscall+0x98/0x2b0 [ 79.117770][ T5071] el0_svc_common+0x138/0x258 [ 79.118442][ T5071] do_el0_svc+0x58/0x13c [ 79.119098][ T5071] el0_svc+0x78/0x1d0 [ 79.119687][ T5071] el0t_64_sync_handler+0xcc/0xe4 [ 79.120437][ T5071] el0t_64_sync+0x1a0/0x1a4 [ 79.121279][ T5071] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 79.122882][ T5071] CPU: 1 PID: 5071 Comm: syz.0.37 Not tainted syzkaller #0 [ 79.123975][ T5071] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.125456][ T5071] Call trace: [ 79.125949][ T5071] dump_backtrace+0x0/0x458 [ 79.126651][ T5071] show_stack+0x2c/0x3c [ 79.127262][ T5071] __dump_stack+0x30/0x40 [ 79.127945][ T5071] dump_stack_lvl+0xf4/0x15c [ 79.128578][ T5071] dump_stack+0x1c/0x5c [ 79.129162][ T5071] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 79.129933][ T5071] dccp_xmit_packet+0x298/0x448 [ 79.130624][ T5071] dccp_write_xmit+0x118/0x1d0 [ 79.131287][ T5071] dccp_sendmsg+0x550/0x8b8 [ 79.131945][ T5071] inet_sendmsg+0x154/0x284 [ 79.132587][ T5071] __sys_sendto+0x30c/0x420 [ 79.133322][ T5071] __arm64_sys_sendto+0xd8/0xf8 [ 79.134071][ T5071] invoke_syscall+0x98/0x2b0 [ 79.134813][ T5071] el0_svc_common+0x138/0x258 [ 79.135549][ T5071] do_el0_svc+0x58/0x13c [ 79.136187][ T5071] el0_svc+0x78/0x1d0 [ 79.136778][ T5071] el0t_64_sync_handler+0xcc/0xe4 [ 79.137549][ T5071] el0t_64_sync+0x1a0/0x1a4 [ 79.138390][ T5071] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 79.139999][ T5071] CPU: 1 PID: 5071 Comm: syz.0.37 Not tainted syzkaller #0 [ 79.141137][ T5071] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.142641][ T5071] Call trace: [ 79.143119][ T5071] dump_backtrace+0x0/0x458 [ 79.143781][ T5071] show_stack+0x2c/0x3c [ 79.144383][ T5071] __dump_stack+0x30/0x40 [ 79.145017][ T5071] dump_stack_lvl+0xf4/0x15c [ 79.145755][ T5071] dump_stack+0x1c/0x5c [ 79.146381][ T5071] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 79.147246][ T5071] dccp_xmit_packet+0x298/0x448 [ 79.147940][ T5071] dccp_write_xmit+0x118/0x1d0 [ 79.148666][ T5071] dccp_sendmsg+0x550/0x8b8 [ 79.149361][ T5071] inet_sendmsg+0x154/0x284 [ 79.150001][ T5071] __sys_sendto+0x30c/0x420 [ 79.150683][ T5071] __arm64_sys_sendto+0xd8/0xf8 [ 79.151363][ T5071] invoke_syscall+0x98/0x2b0 [ 79.152045][ T5071] el0_svc_common+0x138/0x258 [ 79.152755][ T5071] do_el0_svc+0x58/0x13c [ 79.153394][ T5071] el0_svc+0x78/0x1d0 [ 79.153968][ T5071] el0t_64_sync_handler+0xcc/0xe4 [ 79.154705][ T5071] el0t_64_sync+0x1a0/0x1a4 [ 79.155903][ T5071] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 79.157661][ T5071] CPU: 1 PID: 5071 Comm: syz.0.37 Not tainted syzkaller #0 [ 79.158741][ T5071] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.160264][ T5071] Call trace: [ 79.160751][ T5071] dump_backtrace+0x0/0x458 [ 79.161390][ T5071] show_stack+0x2c/0x3c [ 79.161979][ T5071] __dump_stack+0x30/0x40 [ 79.162594][ T5071] dump_stack_lvl+0xf4/0x15c [ 79.163225][ T5071] dump_stack+0x1c/0x5c [ 79.163818][ T5071] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 79.164605][ T5071] dccp_xmit_packet+0x298/0x448 [ 79.165359][ T5071] dccp_write_xmit+0x118/0x1d0 [ 79.166072][ T5071] dccp_sendmsg+0x550/0x8b8 [ 79.166742][ T5071] inet_sendmsg+0x154/0x284 [ 79.167445][ T5071] __sys_sendto+0x30c/0x420 [ 79.168086][ T5071] __arm64_sys_sendto+0xd8/0xf8 [ 79.168850][ T5071] invoke_syscall+0x98/0x2b0 [ 79.169539][ T5071] el0_svc_common+0x138/0x258 [ 79.170274][ T5071] do_el0_svc+0x58/0x13c [ 79.170932][ T5071] el0_svc+0x78/0x1d0 [ 79.171494][ T5071] el0t_64_sync_handler+0xcc/0xe4 [ 79.172237][ T5071] el0t_64_sync+0x1a0/0x1a4 [ 79.173027][ T5071] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 79.174662][ T5071] CPU: 1 PID: 5071 Comm: syz.0.37 Not tainted syzkaller #0 [ 79.175690][ T5071] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.177067][ T5071] Call trace: [ 79.177536][ T5071] dump_backtrace+0x0/0x458 [ 79.178214][ T5071] show_stack+0x2c/0x3c [ 79.178839][ T5071] __dump_stack+0x30/0x40 [ 79.179526][ T5071] dump_stack_lvl+0xf4/0x15c [ 79.180215][ T5071] dump_stack+0x1c/0x5c [ 79.180881][ T5071] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 79.181737][ T5071] dccp_xmit_packet+0x298/0x448 [ 79.182499][ T5071] dccp_write_xmit+0x118/0x1d0 [ 79.183218][ T5071] dccp_sendmsg+0x550/0x8b8 [ 79.183900][ T5071] inet_sendmsg+0x154/0x284 [ 79.184542][ T5071] __sys_sendto+0x30c/0x420 [ 79.185185][ T5071] __arm64_sys_sendto+0xd8/0xf8 [ 79.185864][ T5071] invoke_syscall+0x98/0x2b0 [ 79.186516][ T5071] el0_svc_common+0x138/0x258 [ 79.187194][ T5071] do_el0_svc+0x58/0x13c [ 79.187859][ T5071] el0_svc+0x78/0x1d0 [ 79.188437][ T5071] el0t_64_sync_handler+0xcc/0xe4 [ 79.189208][ T5071] el0t_64_sync+0x1a0/0x1a4 [ 79.190218][ T5071] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 79.191876][ T5071] CPU: 1 PID: 5071 Comm: syz.0.37 Not tainted syzkaller #0 [ 79.192983][ T5071] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.194580][ T5071] Call trace: [ 79.195082][ T5071] dump_backtrace+0x0/0x458 [ 79.195778][ T5071] show_stack+0x2c/0x3c [ 79.196449][ T5071] __dump_stack+0x30/0x40 [ 79.197121][ T5071] dump_stack_lvl+0xf4/0x15c [ 79.197841][ T5071] dump_stack+0x1c/0x5c [ 79.198486][ T5071] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 79.199361][ T5071] dccp_xmit_packet+0x298/0x448 [ 79.200100][ T5071] dccp_write_xmit+0x118/0x1d0 [ 79.200822][ T5071] dccp_sendmsg+0x550/0x8b8 [ 79.201503][ T5071] inet_sendmsg+0x154/0x284 [ 79.202198][ T5071] __sys_sendto+0x30c/0x420 [ 79.202855][ T5071] __arm64_sys_sendto+0xd8/0xf8 [ 79.203553][ T5071] invoke_syscall+0x98/0x2b0 [ 79.204267][ T5071] el0_svc_common+0x138/0x258 [ 79.204966][ T5071] do_el0_svc+0x58/0x13c [ 79.205565][ T5071] el0_svc+0x78/0x1d0 [ 79.206151][ T5071] el0t_64_sync_handler+0xcc/0xe4 [ 79.206876][ T5071] el0t_64_sync+0x1a0/0x1a4 [ 79.217916][ T5073] net_ratelimit: 12 callbacks suppressed [ 79.217925][ T5073] dccp_xmit_packet: Payload too large (65475) for featneg. [ 79.235010][ T5075] dccp_xmit_packet: Payload too large (65475) for featneg. [ 79.241782][ T5075] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 79.243509][ T5075] CPU: 1 PID: 5075 Comm: syz.0.39 Not tainted syzkaller #0 [ 79.244574][ T5075] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.246159][ T5075] Call trace: [ 79.246645][ T5075] dump_backtrace+0x0/0x458 [ 79.247342][ T5075] show_stack+0x2c/0x3c [ 79.248013][ T5075] __dump_stack+0x30/0x40 [ 79.248700][ T5075] dump_stack_lvl+0xf4/0x15c [ 79.249429][ T5075] dump_stack+0x1c/0x5c [ 79.250082][ T5075] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 79.250916][ T5075] dccp_xmit_packet+0x298/0x448 [ 79.251666][ T5075] dccp_write_xmit+0x118/0x1d0 [ 79.252389][ T5075] dccp_sendmsg+0x550/0x8b8 [ 79.253087][ T5075] inet_sendmsg+0x154/0x284 [ 79.253749][ T5075] __sys_sendto+0x30c/0x420 1970/01/01 00:01:19 executed programs: 24 [ 79.254448][ T5075] __arm64_sys_sendto+0xd8/0xf8 [ 79.255168][ T5075] invoke_syscall+0x98/0x2b0 [ 79.255828][ T5075] el0_svc_common+0x138/0x258 [ 79.256552][ T5075] do_el0_svc+0x58/0x13c [ 79.257192][ T5075] el0_svc+0x78/0x1d0 [ 79.257782][ T5075] el0t_64_sync_handler+0xcc/0xe4 [ 79.258554][ T5075] el0t_64_sync+0x1a0/0x1a4 [ 79.259734][ T5075] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 79.261400][ T5075] CPU: 1 PID: 5075 Comm: syz.0.39 Not tainted syzkaller #0 [ 79.262538][ T5075] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.264177][ T5075] Call trace: [ 79.264725][ T5075] dump_backtrace+0x0/0x458 [ 79.265481][ T5075] show_stack+0x2c/0x3c [ 79.266163][ T5075] __dump_stack+0x30/0x40 [ 79.266862][ T5075] dump_stack_lvl+0xf4/0x15c [ 79.267593][ T5075] dump_stack+0x1c/0x5c [ 79.268317][ T5075] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 79.269208][ T5075] dccp_xmit_packet+0x298/0x448 [ 79.269923][ T5075] dccp_write_xmit+0x118/0x1d0 [ 79.270671][ T5075] dccp_sendmsg+0x550/0x8b8 [ 79.271359][ T5075] inet_sendmsg+0x154/0x284 [ 79.272068][ T5075] __sys_sendto+0x30c/0x420 [ 79.272802][ T5075] __arm64_sys_sendto+0xd8/0xf8 [ 79.273531][ T5075] invoke_syscall+0x98/0x2b0 [ 79.274268][ T5075] el0_svc_common+0x138/0x258 [ 79.274956][ T5075] do_el0_svc+0x58/0x13c [ 79.275631][ T5075] el0_svc+0x78/0x1d0 [ 79.276270][ T5075] el0t_64_sync_handler+0xcc/0xe4 [ 79.277044][ T5075] el0t_64_sync+0x1a0/0x1a4 [ 79.278170][ T5075] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 79.279864][ T5075] CPU: 1 PID: 5075 Comm: syz.0.39 Not tainted syzkaller #0 [ 79.281038][ T5075] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.282576][ T5075] Call trace: [ 79.283085][ T5075] dump_backtrace+0x0/0x458 [ 79.283839][ T5075] show_stack+0x2c/0x3c [ 79.284498][ T5075] __dump_stack+0x30/0x40 [ 79.285204][ T5075] dump_stack_lvl+0xf4/0x15c [ 79.285948][ T5075] dump_stack+0x1c/0x5c [ 79.286576][ T5075] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 79.287432][ T5075] dccp_xmit_packet+0x298/0x448 [ 79.288193][ T5075] dccp_write_xmit+0x118/0x1d0 [ 79.288936][ T5075] dccp_sendmsg+0x550/0x8b8 [ 79.289619][ T5075] inet_sendmsg+0x154/0x284 [ 79.290321][ T5075] __sys_sendto+0x30c/0x420 [ 79.291003][ T5075] __arm64_sys_sendto+0xd8/0xf8 [ 79.291768][ T5075] invoke_syscall+0x98/0x2b0 [ 79.292447][ T5075] el0_svc_common+0x138/0x258 [ 79.293133][ T5075] do_el0_svc+0x58/0x13c [ 79.293806][ T5075] el0_svc+0x78/0x1d0 [ 79.294411][ T5075] el0t_64_sync_handler+0xcc/0xe4 [ 79.295161][ T5075] el0t_64_sync+0x1a0/0x1a4 [ 79.296343][ T5075] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 79.298015][ T5075] CPU: 1 PID: 5075 Comm: syz.0.39 Not tainted syzkaller #0 [ 79.299044][ T5075] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.300506][ T5075] Call trace: [ 79.300982][ T5075] dump_backtrace+0x0/0x458 [ 79.301659][ T5075] show_stack+0x2c/0x3c [ 79.302295][ T5075] __dump_stack+0x30/0x40 [ 79.302955][ T5075] dump_stack_lvl+0xf4/0x15c [ 79.303621][ T5075] dump_stack+0x1c/0x5c [ 79.304219][ T5075] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 79.305066][ T5075] dccp_xmit_packet+0x298/0x448 [ 79.305739][ T5075] dccp_write_xmit+0x118/0x1d0 [ 79.306463][ T5075] dccp_sendmsg+0x550/0x8b8 [ 79.307178][ T5075] inet_sendmsg+0x154/0x284 [ 79.307841][ T5075] __sys_sendto+0x30c/0x420 [ 79.308503][ T5075] __arm64_sys_sendto+0xd8/0xf8 [ 79.309223][ T5075] invoke_syscall+0x98/0x2b0 [ 79.309880][ T5075] el0_svc_common+0x138/0x258 [ 79.310511][ T5075] do_el0_svc+0x58/0x13c [ 79.311109][ T5075] el0_svc+0x78/0x1d0 [ 79.311711][ T5075] el0t_64_sync_handler+0xcc/0xe4 [ 79.312451][ T5075] el0t_64_sync+0x1a0/0x1a4 [ 79.313242][ T5075] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 79.315056][ T5075] CPU: 1 PID: 5075 Comm: syz.0.39 Not tainted syzkaller #0 [ 79.316190][ T5075] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.317776][ T5075] Call trace: [ 79.318282][ T5075] dump_backtrace+0x0/0x458 [ 79.319009][ T5075] show_stack+0x2c/0x3c [ 79.319686][ T5075] __dump_stack+0x30/0x40 [ 79.320359][ T5075] dump_stack_lvl+0xf4/0x15c [ 79.321098][ T5075] dump_stack+0x1c/0x5c [ 79.321780][ T5075] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 79.322626][ T5075] dccp_xmit_packet+0x298/0x448 [ 79.323350][ T5075] dccp_write_xmit+0x118/0x1d0 [ 79.324060][ T5075] dccp_sendmsg+0x550/0x8b8 [ 79.324741][ T5075] inet_sendmsg+0x154/0x284 [ 79.325400][ T5075] __sys_sendto+0x30c/0x420 [ 79.326063][ T5075] __arm64_sys_sendto+0xd8/0xf8 [ 79.326795][ T5075] invoke_syscall+0x98/0x2b0 [ 79.327466][ T5075] el0_svc_common+0x138/0x258 [ 79.328162][ T5075] do_el0_svc+0x58/0x13c [ 79.328809][ T5075] el0_svc+0x78/0x1d0 [ 79.329412][ T5075] el0t_64_sync_handler+0xcc/0xe4 [ 79.330163][ T5075] el0t_64_sync+0x1a0/0x1a4 [ 79.330947][ T5075] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 79.332505][ T5075] CPU: 1 PID: 5075 Comm: syz.0.39 Not tainted syzkaller #0 [ 79.333561][ T5075] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.334991][ T5075] Call trace: [ 79.335468][ T5075] dump_backtrace+0x0/0x458 [ 79.336118][ T5075] show_stack+0x2c/0x3c [ 79.336717][ T5075] __dump_stack+0x30/0x40 [ 79.337348][ T5075] dump_stack_lvl+0xf4/0x15c [ 79.338126][ T5075] dump_stack+0x1c/0x5c [ 79.338760][ T5075] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 79.339671][ T5075] dccp_xmit_packet+0x298/0x448 [ 79.340455][ T5075] dccp_write_xmit+0x118/0x1d0 [ 79.341219][ T5075] dccp_sendmsg+0x550/0x8b8 [ 79.341940][ T5075] inet_sendmsg+0x154/0x284 [ 79.342625][ T5075] __sys_sendto+0x30c/0x420 [ 79.343332][ T5075] __arm64_sys_sendto+0xd8/0xf8 [ 79.344097][ T5075] invoke_syscall+0x98/0x2b0 [ 79.344812][ T5075] el0_svc_common+0x138/0x258 [ 79.345510][ T5075] do_el0_svc+0x58/0x13c [ 79.346144][ T5075] el0_svc+0x78/0x1d0 [ 79.346730][ T5075] el0t_64_sync_handler+0xcc/0xe4 [ 79.347478][ T5075] el0t_64_sync+0x1a0/0x1a4 [ 79.348283][ T5075] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 79.349847][ T5075] CPU: 1 PID: 5075 Comm: syz.0.39 Not tainted syzkaller #0 [ 79.350899][ T5075] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.352363][ T5075] Call trace: [ 79.352814][ T5075] dump_backtrace+0x0/0x458 [ 79.353478][ T5075] show_stack+0x2c/0x3c [ 79.354071][ T5075] __dump_stack+0x30/0x40 [ 79.354693][ T5075] dump_stack_lvl+0xf4/0x15c [ 79.355390][ T5075] dump_stack+0x1c/0x5c [ 79.355993][ T5075] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 79.356810][ T5075] dccp_xmit_packet+0x298/0x448 [ 79.357540][ T5075] dccp_write_xmit+0x118/0x1d0 [ 79.358264][ T5075] dccp_sendmsg+0x550/0x8b8 [ 79.358922][ T5075] inet_sendmsg+0x154/0x284 [ 79.359568][ T5075] __sys_sendto+0x30c/0x420 [ 79.360230][ T5075] __arm64_sys_sendto+0xd8/0xf8 [ 79.360955][ T5075] invoke_syscall+0x98/0x2b0 [ 79.361669][ T5075] el0_svc_common+0x138/0x258 [ 79.362364][ T5075] do_el0_svc+0x58/0x13c [ 79.362977][ T5075] el0_svc+0x78/0x1d0 [ 79.363560][ T5075] el0t_64_sync_handler+0xcc/0xe4 [ 79.364297][ T5075] el0t_64_sync+0x1a0/0x1a4 [ 79.365859][ T5075] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 79.367536][ T5075] CPU: 1 PID: 5075 Comm: syz.0.39 Not tainted syzkaller #0 [ 79.368627][ T5075] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.370023][ T5075] Call trace: [ 79.370468][ T5075] dump_backtrace+0x0/0x458 [ 79.371076][ T5075] show_stack+0x2c/0x3c [ 79.371673][ T5075] __dump_stack+0x30/0x40 [ 79.372288][ T5075] dump_stack_lvl+0xf4/0x15c [ 79.372929][ T5075] dump_stack+0x1c/0x5c [ 79.373509][ T5075] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 79.374315][ T5075] dccp_xmit_packet+0x298/0x448 [ 79.375046][ T5075] dccp_write_xmit+0x118/0x1d0 [ 79.375739][ T5075] dccp_sendmsg+0x550/0x8b8 [ 79.376404][ T5075] inet_sendmsg+0x154/0x284 [ 79.377061][ T5075] __sys_sendto+0x30c/0x420 [ 79.377794][ T5075] __arm64_sys_sendto+0xd8/0xf8 [ 79.378517][ T5075] invoke_syscall+0x98/0x2b0 [ 79.379218][ T5075] el0_svc_common+0x138/0x258 [ 79.379965][ T5075] do_el0_svc+0x58/0x13c [ 79.380630][ T5075] el0_svc+0x78/0x1d0 [ 79.381246][ T5075] el0t_64_sync_handler+0xcc/0xe4 [ 79.382008][ T5075] el0t_64_sync+0x1a0/0x1a4 [ 79.382825][ T5075] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 79.384856][ T5075] CPU: 1 PID: 5075 Comm: syz.0.39 Not tainted syzkaller #0 [ 79.385963][ T5075] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.387543][ T5075] Call trace: [ 79.388059][ T5075] dump_backtrace+0x0/0x458 [ 79.388758][ T5075] show_stack+0x2c/0x3c [ 79.389410][ T5075] __dump_stack+0x30/0x40 [ 79.390078][ T5075] dump_stack_lvl+0xf4/0x15c [ 79.390757][ T5075] dump_stack+0x1c/0x5c [ 79.391394][ T5075] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 79.392197][ T5075] dccp_xmit_packet+0x298/0x448 [ 79.392908][ T5075] dccp_write_xmit+0x118/0x1d0 [ 79.393595][ T5075] dccp_sendmsg+0x550/0x8b8 [ 79.394229][ T5075] inet_sendmsg+0x154/0x284 [ 79.394919][ T5075] __sys_sendto+0x30c/0x420 [ 79.395562][ T5075] __arm64_sys_sendto+0xd8/0xf8 [ 79.396280][ T5075] invoke_syscall+0x98/0x2b0 [ 79.396936][ T5075] el0_svc_common+0x138/0x258 [ 79.397629][ T5075] do_el0_svc+0x58/0x13c [ 79.398271][ T5075] el0_svc+0x78/0x1d0 [ 79.398844][ T5075] el0t_64_sync_handler+0xcc/0xe4 [ 79.399585][ T5075] el0t_64_sync+0x1a0/0x1a4 [ 79.400420][ T5075] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 79.401956][ T5075] CPU: 1 PID: 5075 Comm: syz.0.39 Not tainted syzkaller #0 [ 79.402978][ T5075] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.404475][ T5075] Call trace: [ 79.404964][ T5075] dump_backtrace+0x0/0x458 [ 79.405699][ T5075] show_stack+0x2c/0x3c [ 79.406324][ T5075] __dump_stack+0x30/0x40 [ 79.406990][ T5075] dump_stack_lvl+0xf4/0x15c [ 79.407659][ T5075] dump_stack+0x1c/0x5c [ 79.408255][ T5075] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 79.409103][ T5075] dccp_xmit_packet+0x298/0x448 [ 79.409813][ T5075] dccp_write_xmit+0x118/0x1d0 [ 79.410567][ T5075] dccp_sendmsg+0x550/0x8b8 [ 79.411223][ T5075] inet_sendmsg+0x154/0x284 [ 79.411876][ T5075] __sys_sendto+0x30c/0x420 [ 79.412543][ T5075] __arm64_sys_sendto+0xd8/0xf8 [ 79.413221][ T5075] invoke_syscall+0x98/0x2b0 [ 79.413909][ T5075] el0_svc_common+0x138/0x258 [ 79.414578][ T5075] do_el0_svc+0x58/0x13c [ 79.415196][ T5075] el0_svc+0x78/0x1d0 [ 79.415853][ T5075] el0t_64_sync_handler+0xcc/0xe4 [ 79.416597][ T5075] el0t_64_sync+0x1a0/0x1a4 [ 79.417457][ T5075] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 79.419064][ T5075] CPU: 1 PID: 5075 Comm: syz.0.39 Not tainted syzkaller #0 [ 79.420063][ T5075] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.421487][ T5075] Call trace: [ 79.422000][ T5075] dump_backtrace+0x0/0x458 [ 79.422699][ T5075] show_stack+0x2c/0x3c [ 79.423295][ T5075] __dump_stack+0x30/0x40 [ 79.423920][ T5075] dump_stack_lvl+0xf4/0x15c [ 79.424571][ T5075] dump_stack+0x1c/0x5c [ 79.425174][ T5075] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 79.425988][ T5075] dccp_xmit_packet+0x298/0x448 [ 79.426702][ T5075] dccp_write_xmit+0x118/0x1d0 [ 79.427373][ T5075] dccp_sendmsg+0x550/0x8b8 [ 79.428075][ T5075] inet_sendmsg+0x154/0x284 [ 79.428724][ T5075] __sys_sendto+0x30c/0x420 [ 79.429346][ T5075] __arm64_sys_sendto+0xd8/0xf8 [ 79.430120][ T5075] invoke_syscall+0x98/0x2b0 [ 79.430799][ T5075] el0_svc_common+0x138/0x258 [ 79.431515][ T5075] do_el0_svc+0x58/0x13c [ 79.432162][ T5075] el0_svc+0x78/0x1d0 [ 79.432728][ T5075] el0t_64_sync_handler+0xcc/0xe4 [ 79.433402][ T5075] el0t_64_sync+0x1a0/0x1a4 [ 79.434234][ T5075] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 79.435786][ T5075] CPU: 1 PID: 5075 Comm: syz.0.39 Not tainted syzkaller #0 [ 79.436800][ T5075] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.438237][ T5075] Call trace: [ 79.438676][ T5075] dump_backtrace+0x0/0x458 [ 79.439345][ T5075] show_stack+0x2c/0x3c [ 79.439957][ T5075] __dump_stack+0x30/0x40 [ 79.440587][ T5075] dump_stack_lvl+0xf4/0x15c [ 79.441265][ T5075] dump_stack+0x1c/0x5c [ 79.441877][ T5075] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 79.442705][ T5075] dccp_xmit_packet+0x298/0x448 [ 79.443356][ T5075] dccp_write_xmit+0x118/0x1d0 [ 79.444018][ T5075] dccp_sendmsg+0x550/0x8b8 [ 79.444718][ T5075] inet_sendmsg+0x154/0x284 [ 79.445439][ T5075] __sys_sendto+0x30c/0x420 [ 79.446132][ T5075] __arm64_sys_sendto+0xd8/0xf8 [ 79.446902][ T5075] invoke_syscall+0x98/0x2b0 [ 79.447571][ T5075] el0_svc_common+0x138/0x258 [ 79.448263][ T5075] do_el0_svc+0x58/0x13c [ 79.448876][ T5075] el0_svc+0x78/0x1d0 [ 79.449457][ T5075] el0t_64_sync_handler+0xcc/0xe4 [ 79.450181][ T5075] el0t_64_sync+0x1a0/0x1a4 [ 79.451021][ T5075] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 79.452547][ T5075] CPU: 1 PID: 5075 Comm: syz.0.39 Not tainted syzkaller #0 [ 79.453535][ T5075] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.454990][ T5075] Call trace: [ 79.455480][ T5075] dump_backtrace+0x0/0x458 [ 79.456180][ T5075] show_stack+0x2c/0x3c [ 79.456775][ T5075] __dump_stack+0x30/0x40 [ 79.457394][ T5075] dump_stack_lvl+0xf4/0x15c [ 79.458082][ T5075] dump_stack+0x1c/0x5c [ 79.458702][ T5075] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 79.459516][ T5075] dccp_xmit_packet+0x298/0x448 [ 79.460277][ T5075] dccp_write_xmit+0x118/0x1d0 [ 79.460978][ T5075] dccp_sendmsg+0x550/0x8b8 [ 79.461642][ T5075] inet_sendmsg+0x154/0x284 [ 79.462270][ T5075] __sys_sendto+0x30c/0x420 [ 79.462915][ T5075] __arm64_sys_sendto+0xd8/0xf8 [ 79.463596][ T5075] invoke_syscall+0x98/0x2b0 [ 79.464265][ T5075] el0_svc_common+0x138/0x258 [ 79.464947][ T5075] do_el0_svc+0x58/0x13c [ 79.465576][ T5075] el0_svc+0x78/0x1d0 [ 79.466144][ T5075] el0t_64_sync_handler+0xcc/0xe4 [ 79.466903][ T5075] el0t_64_sync+0x1a0/0x1a4 [ 79.467982][ T5075] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 79.469688][ T5075] CPU: 1 PID: 5075 Comm: syz.0.39 Not tainted syzkaller #0 [ 79.470809][ T5075] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.472281][ T5075] Call trace: [ 79.472747][ T5075] dump_backtrace+0x0/0x458 [ 79.473438][ T5075] show_stack+0x2c/0x3c [ 79.474114][ T5075] __dump_stack+0x30/0x40 [ 79.474780][ T5075] dump_stack_lvl+0xf4/0x15c [ 79.475511][ T5075] dump_stack+0x1c/0x5c [ 79.476166][ T5075] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 79.476980][ T5075] dccp_xmit_packet+0x298/0x448 [ 79.477774][ T5075] dccp_write_xmit+0x118/0x1d0 [ 79.478516][ T5075] dccp_sendmsg+0x550/0x8b8 [ 79.479217][ T5075] inet_sendmsg+0x154/0x284 [ 79.479914][ T5075] __sys_sendto+0x30c/0x420 [ 79.480548][ T5075] __arm64_sys_sendto+0xd8/0xf8 [ 79.481307][ T5075] invoke_syscall+0x98/0x2b0 [ 79.482007][ T5075] el0_svc_common+0x138/0x258 [ 79.482728][ T5075] do_el0_svc+0x58/0x13c [ 79.483387][ T5075] el0_svc+0x78/0x1d0 [ 79.483992][ T5075] el0t_64_sync_handler+0xcc/0xe4 [ 79.484710][ T5075] el0t_64_sync+0x1a0/0x1a4 [ 79.498069][ T5077] dccp_xmit_packet: Payload too large (65475) for featneg. [ 79.505348][ T5077] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 79.507192][ T5077] CPU: 1 PID: 5077 Comm: syz.0.40 Not tainted syzkaller #0 [ 79.508257][ T5077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.509976][ T5077] Call trace: [ 79.510523][ T5077] dump_backtrace+0x0/0x458 [ 79.511226][ T5077] show_stack+0x2c/0x3c [ 79.511853][ T5077] __dump_stack+0x30/0x40 [ 79.512578][ T5077] dump_stack_lvl+0xf4/0x15c [ 79.513280][ T5077] dump_stack+0x1c/0x5c [ 79.513936][ T5077] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 79.514735][ T5077] dccp_xmit_packet+0x298/0x448 [ 79.515491][ T5077] dccp_write_xmit+0x118/0x1d0 [ 79.516249][ T5077] dccp_sendmsg+0x550/0x8b8 [ 79.516941][ T5077] inet_sendmsg+0x154/0x284 [ 79.517605][ T5077] __sys_sendto+0x30c/0x420 [ 79.518370][ T5077] __arm64_sys_sendto+0xd8/0xf8 [ 79.519232][ T5077] invoke_syscall+0x98/0x2b0 [ 79.520046][ T5077] el0_svc_common+0x138/0x258 [ 79.520858][ T5077] do_el0_svc+0x58/0x13c [ 79.521541][ T5077] el0_svc+0x78/0x1d0 [ 79.522201][ T5077] el0t_64_sync_handler+0xcc/0xe4 [ 79.523019][ T5077] el0t_64_sync+0x1a0/0x1a4 [ 79.524166][ T5077] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 79.525993][ T5077] CPU: 1 PID: 5077 Comm: syz.0.40 Not tainted syzkaller #0 [ 79.527143][ T5077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.528705][ T5077] Call trace: [ 79.529176][ T5077] dump_backtrace+0x0/0x458 [ 79.529850][ T5077] show_stack+0x2c/0x3c [ 79.530437][ T5077] __dump_stack+0x30/0x40 [ 79.531039][ T5077] dump_stack_lvl+0xf4/0x15c [ 79.531725][ T5077] dump_stack+0x1c/0x5c [ 79.532335][ T5077] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 79.533093][ T5077] dccp_xmit_packet+0x298/0x448 [ 79.533852][ T5077] dccp_write_xmit+0x118/0x1d0 [ 79.534580][ T5077] dccp_sendmsg+0x550/0x8b8 [ 79.535270][ T5077] inet_sendmsg+0x154/0x284 [ 79.535978][ T5077] __sys_sendto+0x30c/0x420 [ 79.536723][ T5077] __arm64_sys_sendto+0xd8/0xf8 [ 79.537459][ T5077] invoke_syscall+0x98/0x2b0 [ 79.538085][ T5077] el0_svc_common+0x138/0x258 [ 79.538773][ T5077] do_el0_svc+0x58/0x13c [ 79.539402][ T5077] el0_svc+0x78/0x1d0 [ 79.540024][ T5077] el0t_64_sync_handler+0xcc/0xe4 [ 79.540743][ T5077] el0t_64_sync+0x1a0/0x1a4 [ 79.542499][ T5077] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 79.544246][ T5077] CPU: 1 PID: 5077 Comm: syz.0.40 Not tainted syzkaller #0 [ 79.545424][ T5077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.547062][ T5077] Call trace: [ 79.547600][ T5077] dump_backtrace+0x0/0x458 [ 79.548377][ T5077] show_stack+0x2c/0x3c [ 79.549044][ T5077] __dump_stack+0x30/0x40 [ 79.549725][ T5077] dump_stack_lvl+0xf4/0x15c [ 79.550458][ T5077] dump_stack+0x1c/0x5c [ 79.551127][ T5077] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 79.552036][ T5077] dccp_xmit_packet+0x298/0x448 [ 79.552781][ T5077] dccp_write_xmit+0x118/0x1d0 [ 79.553497][ T5077] dccp_sendmsg+0x550/0x8b8 [ 79.554206][ T5077] inet_sendmsg+0x154/0x284 [ 79.554895][ T5077] __sys_sendto+0x30c/0x420 [ 79.555557][ T5077] __arm64_sys_sendto+0xd8/0xf8 [ 79.556301][ T5077] invoke_syscall+0x98/0x2b0 [ 79.557024][ T5077] el0_svc_common+0x138/0x258 [ 79.557708][ T5077] do_el0_svc+0x58/0x13c [ 79.558374][ T5077] el0_svc+0x78/0x1d0 [ 79.558994][ T5077] el0t_64_sync_handler+0xcc/0xe4 [ 79.559792][ T5077] el0t_64_sync+0x1a0/0x1a4 [ 79.560968][ T5077] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 79.562643][ T5077] CPU: 1 PID: 5077 Comm: syz.0.40 Not tainted syzkaller #0 [ 79.563656][ T5077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.565163][ T5077] Call trace: [ 79.565642][ T5077] dump_backtrace+0x0/0x458 [ 79.566346][ T5077] show_stack+0x2c/0x3c [ 79.566975][ T5077] __dump_stack+0x30/0x40 [ 79.567646][ T5077] dump_stack_lvl+0xf4/0x15c [ 79.568362][ T5077] dump_stack+0x1c/0x5c [ 79.569018][ T5077] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 79.569923][ T5077] dccp_xmit_packet+0x298/0x448 [ 79.570649][ T5077] dccp_write_xmit+0x118/0x1d0 [ 79.571414][ T5077] dccp_sendmsg+0x550/0x8b8 [ 79.572138][ T5077] inet_sendmsg+0x154/0x284 [ 79.572852][ T5077] __sys_sendto+0x30c/0x420 [ 79.573514][ T5077] __arm64_sys_sendto+0xd8/0xf8 [ 79.574219][ T5077] invoke_syscall+0x98/0x2b0 [ 79.574854][ T5077] el0_svc_common+0x138/0x258 [ 79.575575][ T5077] do_el0_svc+0x58/0x13c [ 79.576217][ T5077] el0_svc+0x78/0x1d0 [ 79.576771][ T5077] el0t_64_sync_handler+0xcc/0xe4 [ 79.577515][ T5077] el0t_64_sync+0x1a0/0x1a4 [ 79.578325][ T5077] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 79.579890][ T5077] CPU: 1 PID: 5077 Comm: syz.0.40 Not tainted syzkaller #0 [ 79.580951][ T5077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.582473][ T5077] Call trace: [ 79.582953][ T5077] dump_backtrace+0x0/0x458 [ 79.583605][ T5077] show_stack+0x2c/0x3c [ 79.584229][ T5077] __dump_stack+0x30/0x40 [ 79.584879][ T5077] dump_stack_lvl+0xf4/0x15c [ 79.585550][ T5077] dump_stack+0x1c/0x5c [ 79.586208][ T5077] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 79.587011][ T5077] dccp_xmit_packet+0x298/0x448 [ 79.587776][ T5077] dccp_write_xmit+0x118/0x1d0 [ 79.588522][ T5077] dccp_sendmsg+0x550/0x8b8 [ 79.589177][ T5077] inet_sendmsg+0x154/0x284 [ 79.589846][ T5077] __sys_sendto+0x30c/0x420 [ 79.590525][ T5077] __arm64_sys_sendto+0xd8/0xf8 [ 79.591212][ T5077] invoke_syscall+0x98/0x2b0 [ 79.591854][ T5077] el0_svc_common+0x138/0x258 [ 79.592544][ T5077] do_el0_svc+0x58/0x13c [ 79.593168][ T5077] el0_svc+0x78/0x1d0 [ 79.593750][ T5077] el0t_64_sync_handler+0xcc/0xe4 [ 79.594470][ T5077] el0t_64_sync+0x1a0/0x1a4 [ 79.595469][ T5077] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 79.597244][ T5077] CPU: 1 PID: 5077 Comm: syz.0.40 Not tainted syzkaller #0 [ 79.598326][ T5077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.599818][ T5077] Call trace: [ 79.600324][ T5077] dump_backtrace+0x0/0x458 [ 79.600992][ T5077] show_stack+0x2c/0x3c [ 79.601650][ T5077] __dump_stack+0x30/0x40 [ 79.602278][ T5077] dump_stack_lvl+0xf4/0x15c [ 79.602981][ T5077] dump_stack+0x1c/0x5c [ 79.603585][ T5077] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 79.604436][ T5077] dccp_xmit_packet+0x298/0x448 [ 79.605147][ T5077] dccp_write_xmit+0x118/0x1d0 [ 79.605855][ T5077] dccp_sendmsg+0x550/0x8b8 [ 79.606550][ T5077] inet_sendmsg+0x154/0x284 [ 79.607263][ T5077] __sys_sendto+0x30c/0x420 [ 79.607990][ T5077] __arm64_sys_sendto+0xd8/0xf8 [ 79.608799][ T5077] invoke_syscall+0x98/0x2b0 [ 79.609489][ T5077] el0_svc_common+0x138/0x258 [ 79.610199][ T5077] do_el0_svc+0x58/0x13c [ 79.610843][ T5077] el0_svc+0x78/0x1d0 [ 79.611420][ T5077] el0t_64_sync_handler+0xcc/0xe4 [ 79.612194][ T5077] el0t_64_sync+0x1a0/0x1a4 [ 79.613016][ T5077] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 79.614612][ T5077] CPU: 1 PID: 5077 Comm: syz.0.40 Not tainted syzkaller #0 [ 79.615625][ T5077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.617022][ T5077] Call trace: [ 79.617499][ T5077] dump_backtrace+0x0/0x458 [ 79.618154][ T5077] show_stack+0x2c/0x3c [ 79.618789][ T5077] __dump_stack+0x30/0x40 [ 79.619405][ T5077] dump_stack_lvl+0xf4/0x15c [ 79.620075][ T5077] dump_stack+0x1c/0x5c [ 79.620645][ T5077] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 79.621408][ T5077] dccp_xmit_packet+0x298/0x448 [ 79.622075][ T5077] dccp_write_xmit+0x118/0x1d0 [ 79.622777][ T5077] dccp_sendmsg+0x550/0x8b8 [ 79.623420][ T5077] inet_sendmsg+0x154/0x284 [ 79.624049][ T5077] __sys_sendto+0x30c/0x420 [ 79.624690][ T5077] __arm64_sys_sendto+0xd8/0xf8 [ 79.625380][ T5077] invoke_syscall+0x98/0x2b0 [ 79.626049][ T5077] el0_svc_common+0x138/0x258 [ 79.626742][ T5077] do_el0_svc+0x58/0x13c [ 79.627346][ T5077] el0_svc+0x78/0x1d0 [ 79.627941][ T5077] el0t_64_sync_handler+0xcc/0xe4 [ 79.628683][ T5077] el0t_64_sync+0x1a0/0x1a4 [ 79.629455][ T5077] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 79.630986][ T5077] CPU: 1 PID: 5077 Comm: syz.0.40 Not tainted syzkaller #0 [ 79.631978][ T5077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.633499][ T5077] Call trace: [ 79.633969][ T5077] dump_backtrace+0x0/0x458 [ 79.634594][ T5077] show_stack+0x2c/0x3c [ 79.635177][ T5077] __dump_stack+0x30/0x40 [ 79.635909][ T5077] dump_stack_lvl+0xf4/0x15c [ 79.636654][ T5077] dump_stack+0x1c/0x5c [ 79.637335][ T5077] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 79.638224][ T5077] dccp_xmit_packet+0x298/0x448 [ 79.638988][ T5077] dccp_write_xmit+0x118/0x1d0 [ 79.639711][ T5077] dccp_sendmsg+0x550/0x8b8 [ 79.640426][ T5077] inet_sendmsg+0x154/0x284 [ 79.641081][ T5077] __sys_sendto+0x30c/0x420 [ 79.641788][ T5077] __arm64_sys_sendto+0xd8/0xf8 [ 79.642513][ T5077] invoke_syscall+0x98/0x2b0 [ 79.643218][ T5077] el0_svc_common+0x138/0x258 [ 79.643909][ T5077] do_el0_svc+0x58/0x13c [ 79.644583][ T5077] el0_svc+0x78/0x1d0 [ 79.645172][ T5077] el0t_64_sync_handler+0xcc/0xe4 [ 79.645941][ T5077] el0t_64_sync+0x1a0/0x1a4 [ 79.646803][ T5077] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 79.648379][ T5077] CPU: 1 PID: 5077 Comm: syz.0.40 Not tainted syzkaller #0 [ 79.649476][ T5077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.650901][ T5077] Call trace: [ 79.651375][ T5077] dump_backtrace+0x0/0x458 [ 79.652032][ T5077] show_stack+0x2c/0x3c [ 79.652634][ T5077] __dump_stack+0x30/0x40 [ 79.653244][ T5077] dump_stack_lvl+0xf4/0x15c [ 79.653919][ T5077] dump_stack+0x1c/0x5c [ 79.654518][ T5077] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 79.655387][ T5077] dccp_xmit_packet+0x298/0x448 [ 79.656174][ T5077] dccp_write_xmit+0x118/0x1d0 [ 79.656886][ T5077] dccp_sendmsg+0x550/0x8b8 [ 79.657526][ T5077] inet_sendmsg+0x154/0x284 [ 79.658229][ T5077] __sys_sendto+0x30c/0x420 [ 79.658905][ T5077] __arm64_sys_sendto+0xd8/0xf8 [ 79.659636][ T5077] invoke_syscall+0x98/0x2b0 [ 79.660289][ T5077] el0_svc_common+0x138/0x258 [ 79.660993][ T5077] do_el0_svc+0x58/0x13c [ 79.661601][ T5077] el0_svc+0x78/0x1d0 [ 79.662172][ T5077] el0t_64_sync_handler+0xcc/0xe4 [ 79.662911][ T5077] el0t_64_sync+0x1a0/0x1a4 [ 79.663687][ T5077] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 79.665273][ T5077] CPU: 1 PID: 5077 Comm: syz.0.40 Not tainted syzkaller #0 [ 79.666260][ T5077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.667710][ T5077] Call trace: [ 79.668190][ T5077] dump_backtrace+0x0/0x458 [ 79.668859][ T5077] show_stack+0x2c/0x3c [ 79.669426][ T5077] __dump_stack+0x30/0x40 [ 79.670025][ T5077] dump_stack_lvl+0xf4/0x15c [ 79.670691][ T5077] dump_stack+0x1c/0x5c [ 79.671299][ T5077] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 79.672042][ T5077] dccp_xmit_packet+0x298/0x448 [ 79.672683][ T5077] dccp_write_xmit+0x118/0x1d0 [ 79.673330][ T5077] dccp_sendmsg+0x550/0x8b8 [ 79.673956][ T5077] inet_sendmsg+0x154/0x284 [ 79.674567][ T5077] __sys_sendto+0x30c/0x420 [ 79.675185][ T5077] __arm64_sys_sendto+0xd8/0xf8 [ 79.675884][ T5077] invoke_syscall+0x98/0x2b0 [ 79.676572][ T5077] el0_svc_common+0x138/0x258 [ 79.677243][ T5077] do_el0_svc+0x58/0x13c [ 79.677841][ T5077] el0_svc+0x78/0x1d0 [ 79.678417][ T5077] el0t_64_sync_handler+0xcc/0xe4 [ 79.679163][ T5077] el0t_64_sync+0x1a0/0x1a4 [ 79.680123][ T5077] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 79.681693][ T5077] CPU: 1 PID: 5077 Comm: syz.0.40 Not tainted syzkaller #0 [ 79.682705][ T5077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.684159][ T5077] Call trace: [ 79.684618][ T5077] dump_backtrace+0x0/0x458 [ 79.685295][ T5077] show_stack+0x2c/0x3c [ 79.685899][ T5077] __dump_stack+0x30/0x40 [ 79.686578][ T5077] dump_stack_lvl+0xf4/0x15c [ 79.687337][ T5077] dump_stack+0x1c/0x5c [ 79.688022][ T5077] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 79.688839][ T5077] dccp_xmit_packet+0x298/0x448 [ 79.689576][ T5077] dccp_write_xmit+0x118/0x1d0 [ 79.690259][ T5077] dccp_sendmsg+0x550/0x8b8 [ 79.690881][ T5077] inet_sendmsg+0x154/0x284 [ 79.691505][ T5077] __sys_sendto+0x30c/0x420 [ 79.692161][ T5077] __arm64_sys_sendto+0xd8/0xf8 [ 79.692865][ T5077] invoke_syscall+0x98/0x2b0 [ 79.693520][ T5077] el0_svc_common+0x138/0x258 [ 79.694172][ T5077] do_el0_svc+0x58/0x13c [ 79.694789][ T5077] el0_svc+0x78/0x1d0 [ 79.695333][ T5077] el0t_64_sync_handler+0xcc/0xe4 [ 79.696098][ T5077] el0t_64_sync+0x1a0/0x1a4 [ 79.697150][ T5077] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 79.698808][ T5077] CPU: 1 PID: 5077 Comm: syz.0.40 Not tainted syzkaller #0 [ 79.699784][ T5077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.701252][ T5077] Call trace: [ 79.701742][ T5077] dump_backtrace+0x0/0x458 [ 79.702399][ T5077] show_stack+0x2c/0x3c [ 79.702983][ T5077] __dump_stack+0x30/0x40 [ 79.703610][ T5077] dump_stack_lvl+0xf4/0x15c [ 79.704287][ T5077] dump_stack+0x1c/0x5c [ 79.704910][ T5077] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 79.705782][ T5077] dccp_xmit_packet+0x298/0x448 [ 79.706499][ T5077] dccp_write_xmit+0x118/0x1d0 [ 79.707245][ T5077] dccp_sendmsg+0x550/0x8b8 [ 79.707919][ T5077] inet_sendmsg+0x154/0x284 [ 79.708646][ T5077] __sys_sendto+0x30c/0x420 [ 79.709356][ T5077] __arm64_sys_sendto+0xd8/0xf8 [ 79.710102][ T5077] invoke_syscall+0x98/0x2b0 [ 79.710795][ T5077] el0_svc_common+0x138/0x258 [ 79.711560][ T5077] do_el0_svc+0x58/0x13c [ 79.712237][ T5077] el0_svc+0x78/0x1d0 [ 79.712876][ T5077] el0t_64_sync_handler+0xcc/0xe4 [ 79.713631][ T5077] el0t_64_sync+0x1a0/0x1a4 [ 79.714549][ T5077] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 79.716175][ T5077] CPU: 1 PID: 5077 Comm: syz.0.40 Not tainted syzkaller #0 [ 79.717256][ T5077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.718701][ T5077] Call trace: [ 79.719213][ T5077] dump_backtrace+0x0/0x458 [ 79.719877][ T5077] show_stack+0x2c/0x3c [ 79.720459][ T5077] __dump_stack+0x30/0x40 [ 79.721107][ T5077] dump_stack_lvl+0xf4/0x15c [ 79.721777][ T5077] dump_stack+0x1c/0x5c [ 79.722371][ T5077] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 79.723156][ T5077] dccp_xmit_packet+0x298/0x448 [ 79.723891][ T5077] dccp_write_xmit+0x118/0x1d0 [ 79.724644][ T5077] dccp_sendmsg+0x550/0x8b8 [ 79.725300][ T5077] inet_sendmsg+0x154/0x284 [ 79.725899][ T5077] __sys_sendto+0x30c/0x420 [ 79.726582][ T5077] __arm64_sys_sendto+0xd8/0xf8 [ 79.727334][ T5077] invoke_syscall+0x98/0x2b0 [ 79.728006][ T5077] el0_svc_common+0x138/0x258 [ 79.728710][ T5077] do_el0_svc+0x58/0x13c [ 79.729379][ T5077] el0_svc+0x78/0x1d0 [ 79.730017][ T5077] el0t_64_sync_handler+0xcc/0xe4 [ 79.730794][ T5077] el0t_64_sync+0x1a0/0x1a4 [ 79.731599][ T5077] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 79.733228][ T5077] CPU: 1 PID: 5077 Comm: syz.0.40 Not tainted syzkaller #0 [ 79.734270][ T5077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.735809][ T5077] Call trace: [ 79.736300][ T5077] dump_backtrace+0x0/0x458 [ 79.736968][ T5077] show_stack+0x2c/0x3c [ 79.737558][ T5077] __dump_stack+0x30/0x40 [ 79.738263][ T5077] dump_stack_lvl+0xf4/0x15c [ 79.738980][ T5077] dump_stack+0x1c/0x5c [ 79.739624][ T5077] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 79.740467][ T5077] dccp_xmit_packet+0x298/0x448 [ 79.741222][ T5077] dccp_write_xmit+0x118/0x1d0 [ 79.741928][ T5077] dccp_sendmsg+0x550/0x8b8 [ 79.742607][ T5077] inet_sendmsg+0x154/0x284 [ 79.743331][ T5077] __sys_sendto+0x30c/0x420 [ 79.744069][ T5077] __arm64_sys_sendto+0xd8/0xf8 [ 79.744787][ T5077] invoke_syscall+0x98/0x2b0 [ 79.745540][ T5077] el0_svc_common+0x138/0x258 [ 79.746213][ T5077] do_el0_svc+0x58/0x13c [ 79.746807][ T5077] el0_svc+0x78/0x1d0 [ 79.747380][ T5077] el0t_64_sync_handler+0xcc/0xe4 [ 79.748132][ T5077] el0t_64_sync+0x1a0/0x1a4 [ 79.748963][ T5077] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 79.750569][ T5077] CPU: 1 PID: 5077 Comm: syz.0.40 Not tainted syzkaller #0 [ 79.751613][ T5077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.753008][ T5077] Call trace: [ 79.753458][ T5077] dump_backtrace+0x0/0x458 [ 79.754036][ T5077] show_stack+0x2c/0x3c [ 79.754605][ T5077] __dump_stack+0x30/0x40 [ 79.755245][ T5077] dump_stack_lvl+0xf4/0x15c [ 79.755899][ T5077] dump_stack+0x1c/0x5c [ 79.756552][ T5077] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 79.757416][ T5077] dccp_xmit_packet+0x298/0x448 [ 79.758083][ T5077] dccp_write_xmit+0x118/0x1d0 [ 79.758822][ T5077] dccp_sendmsg+0x550/0x8b8 [ 79.759496][ T5077] inet_sendmsg+0x154/0x284 [ 79.760231][ T5077] __sys_sendto+0x30c/0x420 [ 79.760893][ T5077] __arm64_sys_sendto+0xd8/0xf8 [ 79.761698][ T5077] invoke_syscall+0x98/0x2b0 [ 79.762356][ T5077] el0_svc_common+0x138/0x258 [ 79.763076][ T5077] do_el0_svc+0x58/0x13c [ 79.763685][ T5077] el0_svc+0x78/0x1d0 [ 79.764258][ T5077] el0t_64_sync_handler+0xcc/0xe4 [ 79.765022][ T5077] el0t_64_sync+0x1a0/0x1a4 [ 79.765841][ T5077] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 79.767421][ T5077] CPU: 1 PID: 5077 Comm: syz.0.40 Not tainted syzkaller #0 [ 79.768466][ T5077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.769839][ T5077] Call trace: [ 79.770316][ T5077] dump_backtrace+0x0/0x458 [ 79.770982][ T5077] show_stack+0x2c/0x3c [ 79.771549][ T5077] __dump_stack+0x30/0x40 [ 79.772197][ T5077] dump_stack_lvl+0xf4/0x15c [ 79.772822][ T5077] dump_stack+0x1c/0x5c [ 79.773398][ T5077] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 79.774184][ T5077] dccp_xmit_packet+0x298/0x448 [ 79.774919][ T5077] dccp_write_xmit+0x118/0x1d0 [ 79.775655][ T5077] dccp_sendmsg+0x550/0x8b8 [ 79.776358][ T5077] inet_sendmsg+0x154/0x284 [ 79.777033][ T5077] __sys_sendto+0x30c/0x420 [ 79.777702][ T5077] __arm64_sys_sendto+0xd8/0xf8 [ 79.778425][ T5077] invoke_syscall+0x98/0x2b0 [ 79.779047][ T5077] el0_svc_common+0x138/0x258 [ 79.779719][ T5077] do_el0_svc+0x58/0x13c [ 79.780394][ T5077] el0_svc+0x78/0x1d0 [ 79.780994][ T5077] el0t_64_sync_handler+0xcc/0xe4 [ 79.781744][ T5077] el0t_64_sync+0x1a0/0x1a4 [ 79.782624][ T5077] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 79.784291][ T5077] CPU: 1 PID: 5077 Comm: syz.0.40 Not tainted syzkaller #0 [ 79.785343][ T5077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.786874][ T5077] Call trace: [ 79.787378][ T5077] dump_backtrace+0x0/0x458 [ 79.788047][ T5077] show_stack+0x2c/0x3c [ 79.788663][ T5077] __dump_stack+0x30/0x40 [ 79.789265][ T5077] dump_stack_lvl+0xf4/0x15c [ 79.789925][ T5077] dump_stack+0x1c/0x5c [ 79.790543][ T5077] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 79.791378][ T5077] dccp_xmit_packet+0x298/0x448 [ 79.792098][ T5077] dccp_write_xmit+0x118/0x1d0 [ 79.792754][ T5077] dccp_sendmsg+0x550/0x8b8 [ 79.793454][ T5077] inet_sendmsg+0x154/0x284 [ 79.794160][ T5077] __sys_sendto+0x30c/0x420 [ 79.794846][ T5077] __arm64_sys_sendto+0xd8/0xf8 [ 79.795557][ T5077] invoke_syscall+0x98/0x2b0 [ 79.796248][ T5077] el0_svc_common+0x138/0x258 [ 79.796960][ T5077] do_el0_svc+0x58/0x13c [ 79.797615][ T5077] el0_svc+0x78/0x1d0 [ 79.798224][ T5077] el0t_64_sync_handler+0xcc/0xe4 [ 79.798967][ T5077] el0t_64_sync+0x1a0/0x1a4 [ 79.812732][ T5079] dccp_xmit_packet: Payload too large (65475) for featneg. [ 79.819566][ T5079] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 79.821342][ T5079] CPU: 1 PID: 5079 Comm: syz.0.41 Not tainted syzkaller #0 [ 79.822438][ T5079] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.823977][ T5079] Call trace: [ 79.824534][ T5079] dump_backtrace+0x0/0x458 [ 79.825252][ T5079] show_stack+0x2c/0x3c [ 79.825909][ T5079] __dump_stack+0x30/0x40 [ 79.826673][ T5079] dump_stack_lvl+0xf4/0x15c [ 79.827448][ T5079] dump_stack+0x1c/0x5c [ 79.828122][ T5079] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 79.829024][ T5079] dccp_xmit_packet+0x298/0x448 [ 79.829789][ T5079] dccp_write_xmit+0x118/0x1d0 [ 79.830583][ T5079] dccp_sendmsg+0x550/0x8b8 [ 79.831253][ T5079] inet_sendmsg+0x154/0x284 [ 79.831952][ T5079] __sys_sendto+0x30c/0x420 [ 79.832699][ T5079] __arm64_sys_sendto+0xd8/0xf8 [ 79.833398][ T5079] invoke_syscall+0x98/0x2b0 [ 79.834098][ T5079] el0_svc_common+0x138/0x258 [ 79.834842][ T5079] do_el0_svc+0x58/0x13c [ 79.835477][ T5079] el0_svc+0x78/0x1d0 [ 79.836038][ T5079] el0t_64_sync_handler+0xcc/0xe4 [ 79.836742][ T5079] el0t_64_sync+0x1a0/0x1a4 [ 79.837581][ T5079] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 79.839057][ T5079] CPU: 1 PID: 5079 Comm: syz.0.41 Not tainted syzkaller #0 [ 79.840121][ T5079] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.841482][ T5079] Call trace: [ 79.841988][ T5079] dump_backtrace+0x0/0x458 [ 79.842652][ T5079] show_stack+0x2c/0x3c [ 79.843222][ T5079] __dump_stack+0x30/0x40 [ 79.843829][ T5079] dump_stack_lvl+0xf4/0x15c [ 79.844571][ T5079] dump_stack+0x1c/0x5c [ 79.845199][ T5079] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 79.846023][ T5079] dccp_xmit_packet+0x298/0x448 [ 79.846713][ T5079] dccp_write_xmit+0x118/0x1d0 [ 79.847412][ T5079] dccp_sendmsg+0x550/0x8b8 [ 79.848074][ T5079] inet_sendmsg+0x154/0x284 [ 79.848738][ T5079] __sys_sendto+0x30c/0x420 [ 79.849412][ T5079] __arm64_sys_sendto+0xd8/0xf8 [ 79.850110][ T5079] invoke_syscall+0x98/0x2b0 [ 79.850840][ T5079] el0_svc_common+0x138/0x258 [ 79.851581][ T5079] do_el0_svc+0x58/0x13c [ 79.852216][ T5079] el0_svc+0x78/0x1d0 [ 79.852825][ T5079] el0t_64_sync_handler+0xcc/0xe4 [ 79.853531][ T5079] el0t_64_sync+0x1a0/0x1a4 [ 79.855452][ T5079] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 79.857233][ T5079] CPU: 1 PID: 5079 Comm: syz.0.41 Not tainted syzkaller #0 [ 79.858371][ T5079] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.859918][ T5079] Call trace: [ 79.860444][ T5079] dump_backtrace+0x0/0x458 [ 79.861170][ T5079] show_stack+0x2c/0x3c [ 79.861794][ T5079] __dump_stack+0x30/0x40 [ 79.862444][ T5079] dump_stack_lvl+0xf4/0x15c [ 79.863158][ T5079] dump_stack+0x1c/0x5c [ 79.863781][ T5079] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 79.864605][ T5079] dccp_xmit_packet+0x298/0x448 [ 79.865280][ T5079] dccp_write_xmit+0x118/0x1d0 [ 79.865984][ T5079] dccp_sendmsg+0x550/0x8b8 [ 79.866695][ T5079] inet_sendmsg+0x154/0x284 [ 79.867370][ T5079] __sys_sendto+0x30c/0x420 [ 79.868023][ T5079] __arm64_sys_sendto+0xd8/0xf8 [ 79.868730][ T5079] invoke_syscall+0x98/0x2b0 [ 79.869396][ T5079] el0_svc_common+0x138/0x258 [ 79.870092][ T5079] do_el0_svc+0x58/0x13c [ 79.870720][ T5079] el0_svc+0x78/0x1d0 [ 79.871354][ T5079] el0t_64_sync_handler+0xcc/0xe4 [ 79.872122][ T5079] el0t_64_sync+0x1a0/0x1a4 [ 79.872938][ T5079] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 79.874796][ T5079] CPU: 1 PID: 5079 Comm: syz.0.41 Not tainted syzkaller #0 [ 79.875907][ T5079] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.877457][ T5079] Call trace: [ 79.877943][ T5079] dump_backtrace+0x0/0x458 [ 79.878675][ T5079] show_stack+0x2c/0x3c [ 79.879314][ T5079] __dump_stack+0x30/0x40 [ 79.879944][ T5079] dump_stack_lvl+0xf4/0x15c [ 79.880655][ T5079] dump_stack+0x1c/0x5c [ 79.881311][ T5079] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 79.882106][ T5079] dccp_xmit_packet+0x298/0x448 [ 79.882805][ T5079] dccp_write_xmit+0x118/0x1d0 [ 79.883535][ T5079] dccp_sendmsg+0x550/0x8b8 [ 79.884209][ T5079] inet_sendmsg+0x154/0x284 [ 79.884904][ T5079] __sys_sendto+0x30c/0x420 [ 79.885597][ T5079] __arm64_sys_sendto+0xd8/0xf8 [ 79.886341][ T5079] invoke_syscall+0x98/0x2b0 [ 79.887128][ T5079] el0_svc_common+0x138/0x258 [ 79.887809][ T5079] do_el0_svc+0x58/0x13c [ 79.888466][ T5079] el0_svc+0x78/0x1d0 [ 79.889101][ T5079] el0t_64_sync_handler+0xcc/0xe4 [ 79.889944][ T5079] el0t_64_sync+0x1a0/0x1a4 [ 79.890747][ T5079] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 79.892502][ T5079] CPU: 1 PID: 5079 Comm: syz.0.41 Not tainted syzkaller #0 [ 79.893615][ T5079] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.895028][ T5079] Call trace: [ 79.895528][ T5079] dump_backtrace+0x0/0x458 [ 79.896229][ T5079] show_stack+0x2c/0x3c [ 79.896807][ T5079] __dump_stack+0x30/0x40 [ 79.897460][ T5079] dump_stack_lvl+0xf4/0x15c [ 79.898155][ T5079] dump_stack+0x1c/0x5c [ 79.898753][ T5079] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 79.899609][ T5079] dccp_xmit_packet+0x298/0x448 [ 79.900362][ T5079] dccp_write_xmit+0x118/0x1d0 [ 79.901095][ T5079] dccp_sendmsg+0x550/0x8b8 [ 79.901798][ T5079] inet_sendmsg+0x154/0x284 [ 79.902518][ T5079] __sys_sendto+0x30c/0x420 [ 79.903254][ T5079] __arm64_sys_sendto+0xd8/0xf8 [ 79.903970][ T5079] invoke_syscall+0x98/0x2b0 [ 79.904636][ T5079] el0_svc_common+0x138/0x258 [ 79.905334][ T5079] do_el0_svc+0x58/0x13c [ 79.905943][ T5079] el0_svc+0x78/0x1d0 [ 79.906498][ T5079] el0t_64_sync_handler+0xcc/0xe4 [ 79.907202][ T5079] el0t_64_sync+0x1a0/0x1a4 [ 79.908193][ T5079] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 79.909919][ T5079] CPU: 1 PID: 5079 Comm: syz.0.41 Not tainted syzkaller #0 [ 79.911056][ T5079] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.912525][ T5079] Call trace: [ 79.913033][ T5079] dump_backtrace+0x0/0x458 [ 79.913722][ T5079] show_stack+0x2c/0x3c [ 79.914369][ T5079] __dump_stack+0x30/0x40 [ 79.914993][ T5079] dump_stack_lvl+0xf4/0x15c [ 79.915700][ T5079] dump_stack+0x1c/0x5c [ 79.916341][ T5079] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 79.917160][ T5079] dccp_xmit_packet+0x298/0x448 [ 79.917880][ T5079] dccp_write_xmit+0x118/0x1d0 [ 79.918565][ T5079] dccp_sendmsg+0x550/0x8b8 [ 79.919214][ T5079] inet_sendmsg+0x154/0x284 [ 79.919906][ T5079] __sys_sendto+0x30c/0x420 [ 79.920644][ T5079] __arm64_sys_sendto+0xd8/0xf8 [ 79.921441][ T5079] invoke_syscall+0x98/0x2b0 [ 79.922104][ T5079] el0_svc_common+0x138/0x258 [ 79.922837][ T5079] do_el0_svc+0x58/0x13c [ 79.923451][ T5079] el0_svc+0x78/0x1d0 [ 79.924044][ T5079] el0t_64_sync_handler+0xcc/0xe4 [ 79.924824][ T5079] el0t_64_sync+0x1a0/0x1a4 [ 79.925663][ T5079] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 79.927340][ T5079] CPU: 1 PID: 5079 Comm: syz.0.41 Not tainted syzkaller #0 [ 79.928380][ T5079] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.929771][ T5079] Call trace: [ 79.930227][ T5079] dump_backtrace+0x0/0x458 [ 79.930839][ T5079] show_stack+0x2c/0x3c [ 79.931395][ T5079] __dump_stack+0x30/0x40 [ 79.932056][ T5079] dump_stack_lvl+0xf4/0x15c [ 79.932758][ T5079] dump_stack+0x1c/0x5c [ 79.933369][ T5079] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 79.934218][ T5079] dccp_xmit_packet+0x298/0x448 [ 79.934964][ T5079] dccp_write_xmit+0x118/0x1d0 [ 79.935668][ T5079] dccp_sendmsg+0x550/0x8b8 [ 79.936319][ T5079] inet_sendmsg+0x154/0x284 [ 79.937008][ T5079] __sys_sendto+0x30c/0x420 [ 79.937636][ T5079] __arm64_sys_sendto+0xd8/0xf8 [ 79.938310][ T5079] invoke_syscall+0x98/0x2b0 [ 79.939070][ T5079] el0_svc_common+0x138/0x258 [ 79.939812][ T5079] do_el0_svc+0x58/0x13c [ 79.940467][ T5079] el0_svc+0x78/0x1d0 [ 79.941099][ T5079] el0t_64_sync_handler+0xcc/0xe4 [ 79.941893][ T5079] el0t_64_sync+0x1a0/0x1a4 [ 79.942855][ T5079] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 79.944590][ T5079] CPU: 1 PID: 5079 Comm: syz.0.41 Not tainted syzkaller #0 [ 79.945563][ T5079] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.946932][ T5079] Call trace: [ 79.947410][ T5079] dump_backtrace+0x0/0x458 [ 79.948130][ T5079] show_stack+0x2c/0x3c [ 79.948779][ T5079] __dump_stack+0x30/0x40 [ 79.949471][ T5079] dump_stack_lvl+0xf4/0x15c [ 79.950188][ T5079] dump_stack+0x1c/0x5c [ 79.950806][ T5079] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 79.951645][ T5079] dccp_xmit_packet+0x298/0x448 [ 79.952390][ T5079] dccp_write_xmit+0x118/0x1d0 [ 79.953101][ T5079] dccp_sendmsg+0x550/0x8b8 [ 79.953780][ T5079] inet_sendmsg+0x154/0x284 [ 79.954440][ T5079] __sys_sendto+0x30c/0x420 [ 79.955151][ T5079] __arm64_sys_sendto+0xd8/0xf8 [ 79.955881][ T5079] invoke_syscall+0x98/0x2b0 [ 79.956618][ T5079] el0_svc_common+0x138/0x258 [ 79.957307][ T5079] do_el0_svc+0x58/0x13c [ 79.957938][ T5079] el0_svc+0x78/0x1d0 [ 79.958504][ T5079] el0t_64_sync_handler+0xcc/0xe4 [ 79.959272][ T5079] el0t_64_sync+0x1a0/0x1a4 [ 79.960104][ T5079] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 79.961775][ T5079] CPU: 1 PID: 5079 Comm: syz.0.41 Not tainted syzkaller #0 [ 79.962727][ T5079] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.964215][ T5079] Call trace: [ 79.964663][ T5079] dump_backtrace+0x0/0x458 [ 79.965347][ T5079] show_stack+0x2c/0x3c [ 79.965958][ T5079] __dump_stack+0x30/0x40 [ 79.966598][ T5079] dump_stack_lvl+0xf4/0x15c [ 79.967300][ T5079] dump_stack+0x1c/0x5c [ 79.967900][ T5079] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 79.968679][ T5079] dccp_xmit_packet+0x298/0x448 [ 79.969385][ T5079] dccp_write_xmit+0x118/0x1d0 [ 79.970122][ T5079] dccp_sendmsg+0x550/0x8b8 [ 79.970751][ T5079] inet_sendmsg+0x154/0x284 [ 79.971468][ T5079] __sys_sendto+0x30c/0x420 [ 79.972152][ T5079] __arm64_sys_sendto+0xd8/0xf8 [ 79.972886][ T5079] invoke_syscall+0x98/0x2b0 [ 79.973614][ T5079] el0_svc_common+0x138/0x258 [ 79.974312][ T5079] do_el0_svc+0x58/0x13c [ 79.974974][ T5079] el0_svc+0x78/0x1d0 [ 79.975591][ T5079] el0t_64_sync_handler+0xcc/0xe4 [ 79.976333][ T5079] el0t_64_sync+0x1a0/0x1a4 [ 79.977185][ T5079] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 79.978777][ T5079] CPU: 1 PID: 5079 Comm: syz.0.41 Not tainted syzkaller #0 [ 79.979778][ T5079] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.981182][ T5079] Call trace: [ 79.981678][ T5079] dump_backtrace+0x0/0x458 [ 79.982325][ T5079] show_stack+0x2c/0x3c [ 79.982895][ T5079] __dump_stack+0x30/0x40 [ 79.983523][ T5079] dump_stack_lvl+0xf4/0x15c [ 79.984185][ T5079] dump_stack+0x1c/0x5c [ 79.984829][ T5079] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 79.985627][ T5079] dccp_xmit_packet+0x298/0x448 [ 79.986338][ T5079] dccp_write_xmit+0x118/0x1d0 [ 79.987083][ T5079] dccp_sendmsg+0x550/0x8b8 [ 79.987734][ T5079] inet_sendmsg+0x154/0x284 [ 79.988386][ T5079] __sys_sendto+0x30c/0x420 [ 79.989038][ T5079] __arm64_sys_sendto+0xd8/0xf8 [ 79.989725][ T5079] invoke_syscall+0x98/0x2b0 [ 79.990366][ T5079] el0_svc_common+0x138/0x258 [ 79.991042][ T5079] do_el0_svc+0x58/0x13c [ 79.991658][ T5079] el0_svc+0x78/0x1d0 [ 79.992227][ T5079] el0t_64_sync_handler+0xcc/0xe4 [ 79.992967][ T5079] el0t_64_sync+0x1a0/0x1a4 [ 79.994481][ T5079] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 79.996211][ T5079] CPU: 1 PID: 5079 Comm: syz.0.41 Not tainted syzkaller #0 [ 79.997224][ T5079] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.998759][ T5079] Call trace: [ 79.999266][ T5079] dump_backtrace+0x0/0x458 [ 79.999987][ T5079] show_stack+0x2c/0x3c [ 80.000583][ T5079] __dump_stack+0x30/0x40 [ 80.001247][ T5079] dump_stack_lvl+0xf4/0x15c [ 80.001992][ T5079] dump_stack+0x1c/0x5c [ 80.002645][ T5079] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 80.003469][ T5079] dccp_xmit_packet+0x298/0x448 [ 80.004200][ T5079] dccp_write_xmit+0x118/0x1d0 [ 80.004934][ T5079] dccp_sendmsg+0x550/0x8b8 [ 80.005607][ T5079] inet_sendmsg+0x154/0x284 [ 80.006278][ T5079] __sys_sendto+0x30c/0x420 [ 80.006936][ T5079] __arm64_sys_sendto+0xd8/0xf8 [ 80.007663][ T5079] invoke_syscall+0x98/0x2b0 [ 80.008399][ T5079] el0_svc_common+0x138/0x258 [ 80.009106][ T5079] do_el0_svc+0x58/0x13c [ 80.009754][ T5079] el0_svc+0x78/0x1d0 [ 80.010373][ T5079] el0t_64_sync_handler+0xcc/0xe4 [ 80.011107][ T5079] el0t_64_sync+0x1a0/0x1a4 [ 80.012101][ T5079] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 80.013809][ T5079] CPU: 1 PID: 5079 Comm: syz.0.41 Not tainted syzkaller #0 [ 80.015003][ T5079] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.016642][ T5079] Call trace: [ 80.017155][ T5079] dump_backtrace+0x0/0x458 [ 80.017926][ T5079] show_stack+0x2c/0x3c [ 80.018582][ T5079] __dump_stack+0x30/0x40 [ 80.019314][ T5079] dump_stack_lvl+0xf4/0x15c [ 80.020050][ T5079] dump_stack+0x1c/0x5c [ 80.020715][ T5079] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 80.021536][ T5079] dccp_xmit_packet+0x298/0x448 [ 80.022307][ T5079] dccp_write_xmit+0x118/0x1d0 [ 80.023104][ T5079] dccp_sendmsg+0x550/0x8b8 [ 80.023755][ T5079] inet_sendmsg+0x154/0x284 [ 80.024400][ T5079] __sys_sendto+0x30c/0x420 [ 80.025086][ T5079] __arm64_sys_sendto+0xd8/0xf8 [ 80.025803][ T5079] invoke_syscall+0x98/0x2b0 [ 80.026451][ T5079] el0_svc_common+0x138/0x258 [ 80.027143][ T5079] do_el0_svc+0x58/0x13c [ 80.027771][ T5079] el0_svc+0x78/0x1d0 [ 80.028387][ T5079] el0t_64_sync_handler+0xcc/0xe4 [ 80.029066][ T5079] el0t_64_sync+0x1a0/0x1a4 [ 80.029818][ T5079] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 80.031334][ T5079] CPU: 1 PID: 5079 Comm: syz.0.41 Not tainted syzkaller #0 [ 80.032460][ T5079] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.033881][ T5079] Call trace: [ 80.034325][ T5079] dump_backtrace+0x0/0x458 [ 80.035013][ T5079] show_stack+0x2c/0x3c [ 80.035621][ T5079] __dump_stack+0x30/0x40 [ 80.036210][ T5079] dump_stack_lvl+0xf4/0x15c [ 80.036868][ T5079] dump_stack+0x1c/0x5c [ 80.037515][ T5079] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 80.038311][ T5079] dccp_xmit_packet+0x298/0x448 [ 80.039059][ T5079] dccp_write_xmit+0x118/0x1d0 [ 80.039732][ T5079] dccp_sendmsg+0x550/0x8b8 [ 80.040396][ T5079] inet_sendmsg+0x154/0x284 [ 80.041043][ T5079] __sys_sendto+0x30c/0x420 [ 80.041700][ T5079] __arm64_sys_sendto+0xd8/0xf8 [ 80.042466][ T5079] invoke_syscall+0x98/0x2b0 [ 80.043163][ T5079] el0_svc_common+0x138/0x258 [ 80.043854][ T5079] do_el0_svc+0x58/0x13c [ 80.044487][ T5079] el0_svc+0x78/0x1d0 [ 80.045103][ T5079] el0t_64_sync_handler+0xcc/0xe4 [ 80.045873][ T5079] el0t_64_sync+0x1a0/0x1a4 [ 80.046758][ T5079] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 80.048383][ T5079] CPU: 1 PID: 5079 Comm: syz.0.41 Not tainted syzkaller #0 [ 80.049425][ T5079] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.050796][ T5079] Call trace: [ 80.051266][ T5079] dump_backtrace+0x0/0x458 [ 80.051926][ T5079] show_stack+0x2c/0x3c [ 80.052532][ T5079] __dump_stack+0x30/0x40 [ 80.053176][ T5079] dump_stack_lvl+0xf4/0x15c [ 80.053826][ T5079] dump_stack+0x1c/0x5c [ 80.054472][ T5079] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 80.055324][ T5079] dccp_xmit_packet+0x298/0x448 [ 80.056080][ T5079] dccp_write_xmit+0x118/0x1d0 [ 80.056781][ T5079] dccp_sendmsg+0x550/0x8b8 [ 80.057514][ T5079] inet_sendmsg+0x154/0x284 [ 80.058215][ T5079] __sys_sendto+0x30c/0x420 [ 80.058939][ T5079] __arm64_sys_sendto+0xd8/0xf8 [ 80.059670][ T5079] invoke_syscall+0x98/0x2b0 [ 80.060342][ T5079] el0_svc_common+0x138/0x258 [ 80.061009][ T5079] do_el0_svc+0x58/0x13c [ 80.061633][ T5079] el0_svc+0x78/0x1d0 [ 80.062221][ T5079] el0t_64_sync_handler+0xcc/0xe4 [ 80.062966][ T5079] el0t_64_sync+0x1a0/0x1a4 [ 80.063826][ T5079] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 80.065526][ T5079] CPU: 1 PID: 5079 Comm: syz.0.41 Not tainted syzkaller #0 [ 80.066565][ T5079] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.068076][ T5079] Call trace: [ 80.068583][ T5079] dump_backtrace+0x0/0x458 [ 80.069246][ T5079] show_stack+0x2c/0x3c [ 80.069877][ T5079] __dump_stack+0x30/0x40 [ 80.070593][ T5079] dump_stack_lvl+0xf4/0x15c [ 80.071272][ T5079] dump_stack+0x1c/0x5c [ 80.071896][ T5079] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 80.072655][ T5079] dccp_xmit_packet+0x298/0x448 [ 80.073372][ T5079] dccp_write_xmit+0x118/0x1d0 [ 80.074034][ T5079] dccp_sendmsg+0x550/0x8b8 [ 80.074709][ T5079] inet_sendmsg+0x154/0x284 [ 80.075341][ T5079] __sys_sendto+0x30c/0x420 [ 80.075987][ T5079] __arm64_sys_sendto+0xd8/0xf8 [ 80.076660][ T5079] invoke_syscall+0x98/0x2b0 [ 80.077425][ T5079] el0_svc_common+0x138/0x258 [ 80.078113][ T5079] do_el0_svc+0x58/0x13c [ 80.078821][ T5079] el0_svc+0x78/0x1d0 [ 80.079429][ T5079] el0t_64_sync_handler+0xcc/0xe4 [ 80.080163][ T5079] el0t_64_sync+0x1a0/0x1a4 [ 80.081089][ T5079] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 80.082698][ T5079] CPU: 1 PID: 5079 Comm: syz.0.41 Not tainted syzkaller #0 [ 80.083731][ T5079] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.085240][ T5079] Call trace: [ 80.085726][ T5079] dump_backtrace+0x0/0x458 [ 80.086378][ T5079] show_stack+0x2c/0x3c [ 80.086999][ T5079] __dump_stack+0x30/0x40 [ 80.087583][ T5079] dump_stack_lvl+0xf4/0x15c [ 80.088309][ T5079] dump_stack+0x1c/0x5c [ 80.088938][ T5079] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 80.089766][ T5079] dccp_xmit_packet+0x298/0x448 [ 80.090523][ T5079] dccp_write_xmit+0x118/0x1d0 [ 80.091249][ T5079] dccp_sendmsg+0x550/0x8b8 [ 80.091908][ T5079] inet_sendmsg+0x154/0x284 [ 80.092588][ T5079] __sys_sendto+0x30c/0x420 [ 80.093257][ T5079] __arm64_sys_sendto+0xd8/0xf8 [ 80.093977][ T5079] invoke_syscall+0x98/0x2b0 [ 80.094671][ T5079] el0_svc_common+0x138/0x258 [ 80.095338][ T5079] do_el0_svc+0x58/0x13c [ 80.096049][ T5079] el0_svc+0x78/0x1d0 [ 80.096668][ T5079] el0t_64_sync_handler+0xcc/0xe4 [ 80.097385][ T5079] el0t_64_sync+0x1a0/0x1a4 [ 80.108659][ T5081] dccp_xmit_packet: Payload too large (65475) for featneg. [ 80.115599][ T5081] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 80.117367][ T5081] CPU: 1 PID: 5081 Comm: syz.0.42 Not tainted syzkaller #0 [ 80.118500][ T5081] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.120012][ T5081] Call trace: [ 80.120501][ T5081] dump_backtrace+0x0/0x458 [ 80.121122][ T5081] show_stack+0x2c/0x3c [ 80.121764][ T5081] __dump_stack+0x30/0x40 [ 80.122435][ T5081] dump_stack_lvl+0xf4/0x15c [ 80.123145][ T5081] dump_stack+0x1c/0x5c [ 80.123811][ T5081] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 80.124668][ T5081] dccp_xmit_packet+0x298/0x448 [ 80.125401][ T5081] dccp_write_xmit+0x118/0x1d0 [ 80.126072][ T5081] dccp_sendmsg+0x550/0x8b8 [ 80.126733][ T5081] inet_sendmsg+0x154/0x284 [ 80.127359][ T5081] __sys_sendto+0x30c/0x420 [ 80.128015][ T5081] __arm64_sys_sendto+0xd8/0xf8 [ 80.128672][ T5081] invoke_syscall+0x98/0x2b0 [ 80.129314][ T5081] el0_svc_common+0x138/0x258 [ 80.129991][ T5081] do_el0_svc+0x58/0x13c [ 80.130634][ T5081] el0_svc+0x78/0x1d0 [ 80.131247][ T5081] el0t_64_sync_handler+0xcc/0xe4 [ 80.132029][ T5081] el0t_64_sync+0x1a0/0x1a4 [ 80.133544][ T5081] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 80.135557][ T5081] CPU: 1 PID: 5081 Comm: syz.0.42 Not tainted syzkaller #0 [ 80.136597][ T5081] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.138048][ T5081] Call trace: [ 80.138524][ T5081] dump_backtrace+0x0/0x458 [ 80.139181][ T5081] show_stack+0x2c/0x3c [ 80.139800][ T5081] __dump_stack+0x30/0x40 [ 80.140457][ T5081] dump_stack_lvl+0xf4/0x15c [ 80.141173][ T5081] dump_stack+0x1c/0x5c [ 80.141748][ T5081] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 80.142614][ T5081] dccp_xmit_packet+0x298/0x448 [ 80.143281][ T5081] dccp_write_xmit+0x118/0x1d0 [ 80.143948][ T5081] dccp_sendmsg+0x550/0x8b8 [ 80.144635][ T5081] inet_sendmsg+0x154/0x284 [ 80.145326][ T5081] __sys_sendto+0x30c/0x420 [ 80.145999][ T5081] __arm64_sys_sendto+0xd8/0xf8 [ 80.146725][ T5081] invoke_syscall+0x98/0x2b0 [ 80.147384][ T5081] el0_svc_common+0x138/0x258 [ 80.148063][ T5081] do_el0_svc+0x58/0x13c [ 80.148737][ T5081] el0_svc+0x78/0x1d0 [ 80.149391][ T5081] el0t_64_sync_handler+0xcc/0xe4 [ 80.150133][ T5081] el0t_64_sync+0x1a0/0x1a4 [ 80.151552][ T5081] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 80.153180][ T5081] CPU: 1 PID: 5081 Comm: syz.0.42 Not tainted syzkaller #0 [ 80.154263][ T5081] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.155731][ T5081] Call trace: [ 80.156212][ T5081] dump_backtrace+0x0/0x458 [ 80.156921][ T5081] show_stack+0x2c/0x3c [ 80.157520][ T5081] __dump_stack+0x30/0x40 [ 80.158203][ T5081] dump_stack_lvl+0xf4/0x15c [ 80.159034][ T5081] dump_stack+0x1c/0x5c [ 80.159645][ T5081] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 80.160497][ T5081] dccp_xmit_packet+0x298/0x448 [ 80.161194][ T5081] dccp_write_xmit+0x118/0x1d0 [ 80.161942][ T5081] dccp_sendmsg+0x550/0x8b8 [ 80.162618][ T5081] inet_sendmsg+0x154/0x284 [ 80.163310][ T5081] __sys_sendto+0x30c/0x420 [ 80.164064][ T5081] __arm64_sys_sendto+0xd8/0xf8 [ 80.164796][ T5081] invoke_syscall+0x98/0x2b0 [ 80.165472][ T5081] el0_svc_common+0x138/0x258 [ 80.166181][ T5081] do_el0_svc+0x58/0x13c [ 80.166838][ T5081] el0_svc+0x78/0x1d0 [ 80.167443][ T5081] el0t_64_sync_handler+0xcc/0xe4 [ 80.168200][ T5081] el0t_64_sync+0x1a0/0x1a4 [ 80.169649][ T5081] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 80.171278][ T5081] CPU: 1 PID: 5081 Comm: syz.0.42 Not tainted syzkaller #0 [ 80.172401][ T5081] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.173933][ T5081] Call trace: [ 80.174418][ T5081] dump_backtrace+0x0/0x458 [ 80.175115][ T5081] show_stack+0x2c/0x3c [ 80.175735][ T5081] __dump_stack+0x30/0x40 [ 80.176402][ T5081] dump_stack_lvl+0xf4/0x15c [ 80.177127][ T5081] dump_stack+0x1c/0x5c [ 80.177735][ T5081] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 80.178577][ T5081] dccp_xmit_packet+0x298/0x448 [ 80.179297][ T5081] dccp_write_xmit+0x118/0x1d0 [ 80.180038][ T5081] dccp_sendmsg+0x550/0x8b8 [ 80.180716][ T5081] inet_sendmsg+0x154/0x284 [ 80.181447][ T5081] __sys_sendto+0x30c/0x420 [ 80.182107][ T5081] __arm64_sys_sendto+0xd8/0xf8 [ 80.182829][ T5081] invoke_syscall+0x98/0x2b0 [ 80.183530][ T5081] el0_svc_common+0x138/0x258 [ 80.184228][ T5081] do_el0_svc+0x58/0x13c [ 80.184895][ T5081] el0_svc+0x78/0x1d0 [ 80.185511][ T5081] el0t_64_sync_handler+0xcc/0xe4 [ 80.186270][ T5081] el0t_64_sync+0x1a0/0x1a4 [ 80.187940][ T5081] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 80.189776][ T5081] CPU: 1 PID: 5081 Comm: syz.0.42 Not tainted syzkaller #0 [ 80.190865][ T5081] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.192424][ T5081] Call trace: [ 80.192940][ T5081] dump_backtrace+0x0/0x458 [ 80.193698][ T5081] show_stack+0x2c/0x3c [ 80.194326][ T5081] __dump_stack+0x30/0x40 [ 80.195012][ T5081] dump_stack_lvl+0xf4/0x15c [ 80.195823][ T5081] dump_stack+0x1c/0x5c [ 80.196465][ T5081] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 80.197312][ T5081] dccp_xmit_packet+0x298/0x448 [ 80.198087][ T5081] dccp_write_xmit+0x118/0x1d0 [ 80.198845][ T5081] dccp_sendmsg+0x550/0x8b8 [ 80.199526][ T5081] inet_sendmsg+0x154/0x284 [ 80.200234][ T5081] __sys_sendto+0x30c/0x420 [ 80.200919][ T5081] __arm64_sys_sendto+0xd8/0xf8 [ 80.201638][ T5081] invoke_syscall+0x98/0x2b0 [ 80.202400][ T5081] el0_svc_common+0x138/0x258 [ 80.203158][ T5081] do_el0_svc+0x58/0x13c [ 80.203813][ T5081] el0_svc+0x78/0x1d0 [ 80.204445][ T5081] el0t_64_sync_handler+0xcc/0xe4 [ 80.205213][ T5081] el0t_64_sync+0x1a0/0x1a4 [ 80.206331][ T5081] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 80.208162][ T5081] CPU: 1 PID: 5081 Comm: syz.0.42 Not tainted syzkaller #0 [ 80.209302][ T5081] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.210929][ T5081] Call trace: [ 80.211474][ T5081] dump_backtrace+0x0/0x458 [ 80.212246][ T5081] show_stack+0x2c/0x3c [ 80.212933][ T5081] __dump_stack+0x30/0x40 [ 80.213606][ T5081] dump_stack_lvl+0xf4/0x15c [ 80.214299][ T5081] dump_stack+0x1c/0x5c [ 80.214916][ T5081] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 80.215808][ T5081] dccp_xmit_packet+0x298/0x448 [ 80.216545][ T5081] dccp_write_xmit+0x118/0x1d0 [ 80.217318][ T5081] dccp_sendmsg+0x550/0x8b8 [ 80.217999][ T5081] inet_sendmsg+0x154/0x284 [ 80.218641][ T5081] __sys_sendto+0x30c/0x420 [ 80.219323][ T5081] __arm64_sys_sendto+0xd8/0xf8 [ 80.220072][ T5081] invoke_syscall+0x98/0x2b0 [ 80.220742][ T5081] el0_svc_common+0x138/0x258 [ 80.221494][ T5081] do_el0_svc+0x58/0x13c [ 80.222151][ T5081] el0_svc+0x78/0x1d0 [ 80.222798][ T5081] el0t_64_sync_handler+0xcc/0xe4 [ 80.223519][ T5081] el0t_64_sync+0x1a0/0x1a4 [ 80.224381][ T5081] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 80.226024][ T5081] CPU: 1 PID: 5081 Comm: syz.0.42 Not tainted syzkaller #0 [ 80.227108][ T5081] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.228601][ T5081] Call trace: [ 80.229085][ T5081] dump_backtrace+0x0/0x458 [ 80.229747][ T5081] show_stack+0x2c/0x3c [ 80.230374][ T5081] __dump_stack+0x30/0x40 [ 80.231075][ T5081] dump_stack_lvl+0xf4/0x15c [ 80.231797][ T5081] dump_stack+0x1c/0x5c [ 80.232382][ T5081] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 80.233171][ T5081] dccp_xmit_packet+0x298/0x448 [ 80.233902][ T5081] dccp_write_xmit+0x118/0x1d0 [ 80.234574][ T5081] dccp_sendmsg+0x550/0x8b8 [ 80.235250][ T5081] inet_sendmsg+0x154/0x284 [ 80.235950][ T5081] __sys_sendto+0x30c/0x420 [ 80.236621][ T5081] __arm64_sys_sendto+0xd8/0xf8 [ 80.237329][ T5081] invoke_syscall+0x98/0x2b0 [ 80.238042][ T5081] el0_svc_common+0x138/0x258 [ 80.238767][ T5081] do_el0_svc+0x58/0x13c [ 80.239448][ T5081] el0_svc+0x78/0x1d0 [ 80.240027][ T5081] el0t_64_sync_handler+0xcc/0xe4 [ 80.240737][ T5081] el0t_64_sync+0x1a0/0x1a4 [ 80.241577][ T5081] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 80.243223][ T5081] CPU: 1 PID: 5081 Comm: syz.0.42 Not tainted syzkaller #0 [ 80.244286][ T5081] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.245843][ T5081] Call trace: [ 80.246384][ T5081] dump_backtrace+0x0/0x458 [ 80.247052][ T5081] show_stack+0x2c/0x3c [ 80.247661][ T5081] __dump_stack+0x30/0x40 [ 80.248345][ T5081] dump_stack_lvl+0xf4/0x15c [ 80.249132][ T5081] dump_stack+0x1c/0x5c [ 80.249779][ T5081] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 80.250635][ T5081] dccp_xmit_packet+0x298/0x448 [ 80.251463][ T5081] dccp_write_xmit+0x118/0x1d0 [ 80.252199][ T5081] dccp_sendmsg+0x550/0x8b8 [ 80.252884][ T5081] inet_sendmsg+0x154/0x284 [ 80.253605][ T5081] __sys_sendto+0x30c/0x420 [ 80.254261][ T5081] __arm64_sys_sendto+0xd8/0xf8 [ 80.254970][ T5081] invoke_syscall+0x98/0x2b0 [ 80.255702][ T5081] el0_svc_common+0x138/0x258 [ 80.256435][ T5081] do_el0_svc+0x58/0x13c [ 80.257059][ T5081] el0_svc+0x78/0x1d0 [ 80.257647][ T5081] el0t_64_sync_handler+0xcc/0xe4 [ 80.258379][ T5081] el0t_64_sync+0x1a0/0x1a4 [ 80.259404][ T5081] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 80.261028][ T5081] CPU: 1 PID: 5081 Comm: syz.0.42 Not tainted syzkaller #0 [ 80.262026][ T5081] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.263350][ T5081] Call trace: [ 80.263811][ T5081] dump_backtrace+0x0/0x458 [ 80.264470][ T5081] show_stack+0x2c/0x3c [ 80.265155][ T5081] __dump_stack+0x30/0x40 [ 80.265817][ T5081] dump_stack_lvl+0xf4/0x15c [ 80.266555][ T5081] dump_stack+0x1c/0x5c [ 80.267218][ T5081] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 80.268069][ T5081] dccp_xmit_packet+0x298/0x448 [ 80.268880][ T5081] dccp_write_xmit+0x118/0x1d0 [ 80.269615][ T5081] dccp_sendmsg+0x550/0x8b8 [ 80.270318][ T5081] inet_sendmsg+0x154/0x284 [ 80.271041][ T5081] __sys_sendto+0x30c/0x420 [ 80.271740][ T5081] __arm64_sys_sendto+0xd8/0xf8 [ 80.272555][ T5081] invoke_syscall+0x98/0x2b0 [ 80.273298][ T5081] el0_svc_common+0x138/0x258 [ 80.274057][ T5081] do_el0_svc+0x58/0x13c [ 80.274765][ T5081] el0_svc+0x78/0x1d0 [ 80.275423][ T5081] el0t_64_sync_handler+0xcc/0xe4 [ 80.276256][ T5081] el0t_64_sync+0x1a0/0x1a4 [ 80.277185][ T5081] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 80.278818][ T5081] CPU: 1 PID: 5081 Comm: syz.0.42 Not tainted syzkaller #0 [ 80.279953][ T5081] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.281509][ T5081] Call trace: [ 80.282024][ T5081] dump_backtrace+0x0/0x458 [ 80.282731][ T5081] show_stack+0x2c/0x3c [ 80.283381][ T5081] __dump_stack+0x30/0x40 [ 80.284087][ T5081] dump_stack_lvl+0xf4/0x15c [ 80.284819][ T5081] dump_stack+0x1c/0x5c [ 80.285416][ T5081] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 80.286289][ T5081] dccp_xmit_packet+0x298/0x448 [ 80.287076][ T5081] dccp_write_xmit+0x118/0x1d0 [ 80.287855][ T5081] dccp_sendmsg+0x550/0x8b8 [ 80.288549][ T5081] inet_sendmsg+0x154/0x284 [ 80.289319][ T5081] __sys_sendto+0x30c/0x420 [ 80.289970][ T5081] __arm64_sys_sendto+0xd8/0xf8 [ 80.290754][ T5081] invoke_syscall+0x98/0x2b0 [ 80.291470][ T5081] el0_svc_common+0x138/0x258 [ 80.292149][ T5081] do_el0_svc+0x58/0x13c [ 80.292812][ T5081] el0_svc+0x78/0x1d0 [ 80.293471][ T5081] el0t_64_sync_handler+0xcc/0xe4 [ 80.294270][ T5081] el0t_64_sync+0x1a0/0x1a4 [ 80.295122][ T5081] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 80.296738][ T5081] CPU: 1 PID: 5081 Comm: syz.0.42 Not tainted syzkaller #0 [ 80.297812][ T5081] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.299365][ T5081] Call trace: [ 80.299816][ T5081] dump_backtrace+0x0/0x458 [ 80.300516][ T5081] show_stack+0x2c/0x3c [ 80.301137][ T5081] __dump_stack+0x30/0x40 [ 80.301737][ T5081] dump_stack_lvl+0xf4/0x15c [ 80.302431][ T5081] dump_stack+0x1c/0x5c [ 80.303036][ T5081] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 80.303885][ T5081] dccp_xmit_packet+0x298/0x448 [ 80.304625][ T5081] dccp_write_xmit+0x118/0x1d0 [ 80.305267][ T5081] dccp_sendmsg+0x550/0x8b8 [ 80.305909][ T5081] inet_sendmsg+0x154/0x284 [ 80.306592][ T5081] __sys_sendto+0x30c/0x420 [ 80.307285][ T5081] __arm64_sys_sendto+0xd8/0xf8 [ 80.308134][ T5081] invoke_syscall+0x98/0x2b0 [ 80.308915][ T5081] el0_svc_common+0x138/0x258 [ 80.309646][ T5081] do_el0_svc+0x58/0x13c [ 80.310278][ T5081] el0_svc+0x78/0x1d0 [ 80.310850][ T5081] el0t_64_sync_handler+0xcc/0xe4 [ 80.311602][ T5081] el0t_64_sync+0x1a0/0x1a4 [ 80.312661][ T5081] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 80.314403][ T5081] CPU: 1 PID: 5081 Comm: syz.0.42 Not tainted syzkaller #0 [ 80.315411][ T5081] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.316856][ T5081] Call trace: [ 80.317343][ T5081] dump_backtrace+0x0/0x458 [ 80.317969][ T5081] show_stack+0x2c/0x3c [ 80.318584][ T5081] __dump_stack+0x30/0x40 [ 80.319248][ T5081] dump_stack_lvl+0xf4/0x15c [ 80.319929][ T5081] dump_stack+0x1c/0x5c [ 80.320495][ T5081] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 80.321297][ T5081] dccp_xmit_packet+0x298/0x448 [ 80.321982][ T5081] dccp_write_xmit+0x118/0x1d0 [ 80.322660][ T5081] dccp_sendmsg+0x550/0x8b8 [ 80.323336][ T5081] inet_sendmsg+0x154/0x284 [ 80.323938][ T5081] __sys_sendto+0x30c/0x420 [ 80.324573][ T5081] __arm64_sys_sendto+0xd8/0xf8 [ 80.325273][ T5081] invoke_syscall+0x98/0x2b0 [ 80.325920][ T5081] el0_svc_common+0x138/0x258 [ 80.326620][ T5081] do_el0_svc+0x58/0x13c [ 80.327242][ T5081] el0_svc+0x78/0x1d0 [ 80.327815][ T5081] el0t_64_sync_handler+0xcc/0xe4 [ 80.328562][ T5081] el0t_64_sync+0x1a0/0x1a4 [ 80.329367][ T5081] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 80.331031][ T5081] CPU: 1 PID: 5081 Comm: syz.0.42 Not tainted syzkaller #0 [ 80.332066][ T5081] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.333544][ T5081] Call trace: [ 80.334004][ T5081] dump_backtrace+0x0/0x458 [ 80.334669][ T5081] show_stack+0x2c/0x3c [ 80.335266][ T5081] __dump_stack+0x30/0x40 [ 80.335886][ T5081] dump_stack_lvl+0xf4/0x15c [ 80.336532][ T5081] dump_stack+0x1c/0x5c [ 80.337144][ T5081] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 80.338003][ T5081] dccp_xmit_packet+0x298/0x448 [ 80.338753][ T5081] dccp_write_xmit+0x118/0x1d0 [ 80.339496][ T5081] dccp_sendmsg+0x550/0x8b8 [ 80.340168][ T5081] inet_sendmsg+0x154/0x284 [ 80.340896][ T5081] __sys_sendto+0x30c/0x420 [ 80.341538][ T5081] __arm64_sys_sendto+0xd8/0xf8 [ 80.342296][ T5081] invoke_syscall+0x98/0x2b0 [ 80.342967][ T5081] el0_svc_common+0x138/0x258 [ 80.343693][ T5081] do_el0_svc+0x58/0x13c [ 80.344340][ T5081] el0_svc+0x78/0x1d0 [ 80.344896][ T5081] el0t_64_sync_handler+0xcc/0xe4 [ 80.345705][ T5081] el0t_64_sync+0x1a0/0x1a4 [ 80.346759][ T5081] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 80.348453][ T5081] CPU: 1 PID: 5081 Comm: syz.0.42 Not tainted syzkaller #0 [ 80.349511][ T5081] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.351118][ T5081] Call trace: [ 80.351606][ T5081] dump_backtrace+0x0/0x458 [ 80.352316][ T5081] show_stack+0x2c/0x3c [ 80.352927][ T5081] __dump_stack+0x30/0x40 [ 80.353568][ T5081] dump_stack_lvl+0xf4/0x15c [ 80.354259][ T5081] dump_stack+0x1c/0x5c [ 80.354899][ T5081] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 80.355724][ T5081] dccp_xmit_packet+0x298/0x448 [ 80.356497][ T5081] dccp_write_xmit+0x118/0x1d0 [ 80.357229][ T5081] dccp_sendmsg+0x550/0x8b8 [ 80.357919][ T5081] inet_sendmsg+0x154/0x284 [ 80.358640][ T5081] __sys_sendto+0x30c/0x420 [ 80.359283][ T5081] __arm64_sys_sendto+0xd8/0xf8 [ 80.360049][ T5081] invoke_syscall+0x98/0x2b0 [ 80.360751][ T5081] el0_svc_common+0x138/0x258 [ 80.361445][ T5081] do_el0_svc+0x58/0x13c [ 80.362122][ T5081] el0_svc+0x78/0x1d0 [ 80.362727][ T5081] el0t_64_sync_handler+0xcc/0xe4 [ 80.363512][ T5081] el0t_64_sync+0x1a0/0x1a4 [ 80.364393][ T5081] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 80.366025][ T5081] CPU: 1 PID: 5081 Comm: syz.0.42 Not tainted syzkaller #0 [ 80.367114][ T5081] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.368678][ T5081] Call trace: [ 80.369199][ T5081] dump_backtrace+0x0/0x458 [ 80.369876][ T5081] show_stack+0x2c/0x3c [ 80.370527][ T5081] __dump_stack+0x30/0x40 [ 80.371196][ T5081] dump_stack_lvl+0xf4/0x15c [ 80.371951][ T5081] dump_stack+0x1c/0x5c [ 80.372583][ T5081] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 80.373367][ T5081] dccp_xmit_packet+0x298/0x448 [ 80.374075][ T5081] dccp_write_xmit+0x118/0x1d0 [ 80.374785][ T5081] dccp_sendmsg+0x550/0x8b8 [ 80.375473][ T5081] inet_sendmsg+0x154/0x284 [ 80.376161][ T5081] __sys_sendto+0x30c/0x420 [ 80.376858][ T5081] __arm64_sys_sendto+0xd8/0xf8 [ 80.377628][ T5081] invoke_syscall+0x98/0x2b0 [ 80.378313][ T5081] el0_svc_common+0x138/0x258 [ 80.379102][ T5081] do_el0_svc+0x58/0x13c [ 80.379821][ T5081] el0_svc+0x78/0x1d0 [ 80.380408][ T5081] el0t_64_sync_handler+0xcc/0xe4 [ 80.381209][ T5081] el0t_64_sync+0x1a0/0x1a4 [ 80.382022][ T5081] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 80.383810][ T5081] CPU: 1 PID: 5081 Comm: syz.0.42 Not tainted syzkaller #0 [ 80.384906][ T5081] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.386449][ T5081] Call trace: [ 80.386928][ T5081] dump_backtrace+0x0/0x458 [ 80.387586][ T5081] show_stack+0x2c/0x3c [ 80.388238][ T5081] __dump_stack+0x30/0x40 [ 80.388901][ T5081] dump_stack_lvl+0xf4/0x15c [ 80.389583][ T5081] dump_stack+0x1c/0x5c [ 80.390213][ T5081] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 80.391025][ T5081] dccp_xmit_packet+0x298/0x448 [ 80.391757][ T5081] dccp_write_xmit+0x118/0x1d0 [ 80.392524][ T5081] dccp_sendmsg+0x550/0x8b8 [ 80.393235][ T5081] inet_sendmsg+0x154/0x284 [ 80.393964][ T5081] __sys_sendto+0x30c/0x420 [ 80.394676][ T5081] __arm64_sys_sendto+0xd8/0xf8 [ 80.395449][ T5081] invoke_syscall+0x98/0x2b0 [ 80.396113][ T5081] el0_svc_common+0x138/0x258 [ 80.396855][ T5081] do_el0_svc+0x58/0x13c [ 80.397546][ T5081] el0_svc+0x78/0x1d0 [ 80.398149][ T5081] el0t_64_sync_handler+0xcc/0xe4 [ 80.398866][ T5081] el0t_64_sync+0x1a0/0x1a4 [ 80.409604][ T5083] dccp_xmit_packet: Payload too large (65475) for featneg. [ 80.417395][ T5083] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 80.419169][ T5083] CPU: 1 PID: 5083 Comm: syz.0.43 Not tainted syzkaller #0 [ 80.420291][ T5083] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.421786][ T5083] Call trace: [ 80.422258][ T5083] dump_backtrace+0x0/0x458 [ 80.422959][ T5083] show_stack+0x2c/0x3c [ 80.423528][ T5083] __dump_stack+0x30/0x40 [ 80.424208][ T5083] dump_stack_lvl+0xf4/0x15c [ 80.424985][ T5083] dump_stack+0x1c/0x5c [ 80.425622][ T5083] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 80.426463][ T5083] dccp_xmit_packet+0x298/0x448 [ 80.427170][ T5083] dccp_write_xmit+0x118/0x1d0 [ 80.427907][ T5083] dccp_sendmsg+0x550/0x8b8 [ 80.428622][ T5083] inet_sendmsg+0x154/0x284 [ 80.429323][ T5083] __sys_sendto+0x30c/0x420 [ 80.430045][ T5083] __arm64_sys_sendto+0xd8/0xf8 [ 80.430799][ T5083] invoke_syscall+0x98/0x2b0 [ 80.431526][ T5083] el0_svc_common+0x138/0x258 [ 80.432249][ T5083] do_el0_svc+0x58/0x13c [ 80.432911][ T5083] el0_svc+0x78/0x1d0 [ 80.433555][ T5083] el0t_64_sync_handler+0xcc/0xe4 [ 80.434346][ T5083] el0t_64_sync+0x1a0/0x1a4 [ 80.435820][ T5083] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 80.437687][ T5083] CPU: 1 PID: 5083 Comm: syz.0.43 Not tainted syzkaller #0 [ 80.438865][ T5083] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.440472][ T5083] Call trace: [ 80.441002][ T5083] dump_backtrace+0x0/0x458 [ 80.441695][ T5083] show_stack+0x2c/0x3c [ 80.442338][ T5083] __dump_stack+0x30/0x40 [ 80.442999][ T5083] dump_stack_lvl+0xf4/0x15c [ 80.443705][ T5083] dump_stack+0x1c/0x5c [ 80.444308][ T5083] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 80.445107][ T5083] dccp_xmit_packet+0x298/0x448 [ 80.445899][ T5083] dccp_write_xmit+0x118/0x1d0 [ 80.446637][ T5083] dccp_sendmsg+0x550/0x8b8 [ 80.447412][ T5083] inet_sendmsg+0x154/0x284 [ 80.448052][ T5083] __sys_sendto+0x30c/0x420 [ 80.448745][ T5083] __arm64_sys_sendto+0xd8/0xf8 [ 80.449468][ T5083] invoke_syscall+0x98/0x2b0 [ 80.450224][ T5083] el0_svc_common+0x138/0x258 [ 80.450904][ T5083] do_el0_svc+0x58/0x13c [ 80.451579][ T5083] el0_svc+0x78/0x1d0 [ 80.452176][ T5083] el0t_64_sync_handler+0xcc/0xe4 [ 80.452998][ T5083] el0t_64_sync+0x1a0/0x1a4 [ 80.453884][ T5083] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 80.456150][ T5083] CPU: 1 PID: 5083 Comm: syz.0.43 Not tainted syzkaller #0 [ 80.457239][ T5083] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.458776][ T5083] Call trace: [ 80.459255][ T5083] dump_backtrace+0x0/0x458 [ 80.459914][ T5083] show_stack+0x2c/0x3c [ 80.460515][ T5083] __dump_stack+0x30/0x40 [ 80.461235][ T5083] dump_stack_lvl+0xf4/0x15c [ 80.461939][ T5083] dump_stack+0x1c/0x5c [ 80.462588][ T5083] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 80.463394][ T5083] dccp_xmit_packet+0x298/0x448 [ 80.464103][ T5083] dccp_write_xmit+0x118/0x1d0 [ 80.464834][ T5083] dccp_sendmsg+0x550/0x8b8 [ 80.465563][ T5083] inet_sendmsg+0x154/0x284 [ 80.466236][ T5083] __sys_sendto+0x30c/0x420 [ 80.466940][ T5083] __arm64_sys_sendto+0xd8/0xf8 [ 80.467720][ T5083] invoke_syscall+0x98/0x2b0 [ 80.468466][ T5083] el0_svc_common+0x138/0x258 [ 80.469187][ T5083] do_el0_svc+0x58/0x13c [ 80.469817][ T5083] el0_svc+0x78/0x1d0 [ 80.470420][ T5083] el0t_64_sync_handler+0xcc/0xe4 [ 80.471252][ T5083] el0t_64_sync+0x1a0/0x1a4 [ 80.472305][ T5083] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 80.473974][ T5083] CPU: 1 PID: 5083 Comm: syz.0.43 Not tainted syzkaller #0 [ 80.475084][ T5083] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.476738][ T5083] Call trace: [ 80.477243][ T5083] dump_backtrace+0x0/0x458 [ 80.477934][ T5083] show_stack+0x2c/0x3c [ 80.478633][ T5083] __dump_stack+0x30/0x40 [ 80.479327][ T5083] dump_stack_lvl+0xf4/0x15c [ 80.480019][ T5083] dump_stack+0x1c/0x5c [ 80.480654][ T5083] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 80.481549][ T5083] dccp_xmit_packet+0x298/0x448 [ 80.482311][ T5083] dccp_write_xmit+0x118/0x1d0 [ 80.483024][ T5083] dccp_sendmsg+0x550/0x8b8 [ 80.483713][ T5083] inet_sendmsg+0x154/0x284 [ 80.484378][ T5083] __sys_sendto+0x30c/0x420 [ 80.485057][ T5083] __arm64_sys_sendto+0xd8/0xf8 [ 80.485731][ T5083] invoke_syscall+0x98/0x2b0 [ 80.486427][ T5083] el0_svc_common+0x138/0x258 [ 80.487097][ T5083] do_el0_svc+0x58/0x13c [ 80.487735][ T5083] el0_svc+0x78/0x1d0 [ 80.488333][ T5083] el0t_64_sync_handler+0xcc/0xe4 [ 80.489088][ T5083] el0t_64_sync+0x1a0/0x1a4 [ 80.490027][ T5083] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 80.491788][ T5083] CPU: 1 PID: 5083 Comm: syz.0.43 Not tainted syzkaller #0 [ 80.492988][ T5083] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.494517][ T5083] Call trace: [ 80.495030][ T5083] dump_backtrace+0x0/0x458 [ 80.495739][ T5083] show_stack+0x2c/0x3c [ 80.496418][ T5083] __dump_stack+0x30/0x40 [ 80.497119][ T5083] dump_stack_lvl+0xf4/0x15c [ 80.497886][ T5083] dump_stack+0x1c/0x5c [ 80.498546][ T5083] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 80.499482][ T5083] dccp_xmit_packet+0x298/0x448 [ 80.500268][ T5083] dccp_write_xmit+0x118/0x1d0 [ 80.501063][ T5083] dccp_sendmsg+0x550/0x8b8 [ 80.501733][ T5083] inet_sendmsg+0x154/0x284 [ 80.502430][ T5083] __sys_sendto+0x30c/0x420 [ 80.503152][ T5083] __arm64_sys_sendto+0xd8/0xf8 [ 80.503919][ T5083] invoke_syscall+0x98/0x2b0 [ 80.504614][ T5083] el0_svc_common+0x138/0x258 [ 80.505345][ T5083] do_el0_svc+0x58/0x13c [ 80.505943][ T5083] el0_svc+0x78/0x1d0 [ 80.506564][ T5083] el0t_64_sync_handler+0xcc/0xe4 [ 80.507321][ T5083] el0t_64_sync+0x1a0/0x1a4 [ 80.511346][ T5083] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 80.513204][ T5083] CPU: 0 PID: 5083 Comm: syz.0.43 Not tainted syzkaller #0 [ 80.514339][ T5083] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.515930][ T5083] Call trace: [ 80.516430][ T5083] dump_backtrace+0x0/0x458 [ 80.517110][ T5083] show_stack+0x2c/0x3c [ 80.517740][ T5083] __dump_stack+0x30/0x40 [ 80.518382][ T5083] dump_stack_lvl+0xf4/0x15c [ 80.519054][ T5083] dump_stack+0x1c/0x5c [ 80.519740][ T5083] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 80.520594][ T5083] dccp_xmit_packet+0x298/0x448 [ 80.521325][ T5083] dccp_write_xmit+0x118/0x1d0 [ 80.522084][ T5083] dccp_sendmsg+0x550/0x8b8 [ 80.522790][ T5083] inet_sendmsg+0x154/0x284 [ 80.523439][ T5083] __sys_sendto+0x30c/0x420 [ 80.524148][ T5083] __arm64_sys_sendto+0xd8/0xf8 [ 80.524854][ T5083] invoke_syscall+0x98/0x2b0 [ 80.525527][ T5083] el0_svc_common+0x138/0x258 [ 80.526205][ T5083] do_el0_svc+0x58/0x13c [ 80.526850][ T5083] el0_svc+0x78/0x1d0 [ 80.527426][ T5083] el0t_64_sync_handler+0xcc/0xe4 [ 80.528245][ T5083] el0t_64_sync+0x1a0/0x1a4 [ 80.529670][ T5083] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 80.531473][ T5083] CPU: 0 PID: 5083 Comm: syz.0.43 Not tainted syzkaller #0 [ 80.532578][ T5083] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.534042][ T5083] Call trace: [ 80.534519][ T5083] dump_backtrace+0x0/0x458 [ 80.535211][ T5083] show_stack+0x2c/0x3c [ 80.535817][ T5083] __dump_stack+0x30/0x40 [ 80.536525][ T5083] dump_stack_lvl+0xf4/0x15c [ 80.537215][ T5083] dump_stack+0x1c/0x5c [ 80.537837][ T5083] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 80.538622][ T5083] dccp_xmit_packet+0x298/0x448 [ 80.539360][ T5083] dccp_write_xmit+0x118/0x1d0 [ 80.540072][ T5083] dccp_sendmsg+0x550/0x8b8 [ 80.540737][ T5083] inet_sendmsg+0x154/0x284 [ 80.541407][ T5083] __sys_sendto+0x30c/0x420 [ 80.542114][ T5083] __arm64_sys_sendto+0xd8/0xf8 [ 80.542796][ T5083] invoke_syscall+0x98/0x2b0 [ 80.543466][ T5083] el0_svc_common+0x138/0x258 [ 80.544200][ T5083] do_el0_svc+0x58/0x13c [ 80.544811][ T5083] el0_svc+0x78/0x1d0 [ 80.545451][ T5083] el0t_64_sync_handler+0xcc/0xe4 [ 80.546157][ T5083] el0t_64_sync+0x1a0/0x1a4 [ 80.547018][ T5083] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 80.548597][ T5083] CPU: 0 PID: 5083 Comm: syz.0.43 Not tainted syzkaller #0 [ 80.549686][ T5083] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.551224][ T5083] Call trace: [ 80.551677][ T5083] dump_backtrace+0x0/0x458 [ 80.552344][ T5083] show_stack+0x2c/0x3c [ 80.553015][ T5083] __dump_stack+0x30/0x40 [ 80.553645][ T5083] dump_stack_lvl+0xf4/0x15c [ 80.554366][ T5083] dump_stack+0x1c/0x5c [ 80.555037][ T5083] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 80.555845][ T5083] dccp_xmit_packet+0x298/0x448 [ 80.556582][ T5083] dccp_write_xmit+0x118/0x1d0 [ 80.557326][ T5083] dccp_sendmsg+0x550/0x8b8 [ 80.558044][ T5083] inet_sendmsg+0x154/0x284 [ 80.558692][ T5083] __sys_sendto+0x30c/0x420 [ 80.559418][ T5083] __arm64_sys_sendto+0xd8/0xf8 [ 80.560193][ T5083] invoke_syscall+0x98/0x2b0 [ 80.560901][ T5083] el0_svc_common+0x138/0x258 [ 80.561618][ T5083] do_el0_svc+0x58/0x13c [ 80.562239][ T5083] el0_svc+0x78/0x1d0 [ 80.562809][ T5083] el0t_64_sync_handler+0xcc/0xe4 [ 80.563567][ T5083] el0t_64_sync+0x1a0/0x1a4 [ 80.564700][ T5083] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 80.566317][ T5083] CPU: 0 PID: 5083 Comm: syz.0.43 Not tainted syzkaller #0 [ 80.567367][ T5083] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.568761][ T5083] Call trace: [ 80.569256][ T5083] dump_backtrace+0x0/0x458 [ 80.569920][ T5083] show_stack+0x2c/0x3c [ 80.570482][ T5083] __dump_stack+0x30/0x40 [ 80.571088][ T5083] dump_stack_lvl+0xf4/0x15c [ 80.571708][ T5083] dump_stack+0x1c/0x5c [ 80.572324][ T5083] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 80.573081][ T5083] dccp_xmit_packet+0x298/0x448 [ 80.573777][ T5083] dccp_write_xmit+0x118/0x1d0 [ 80.574563][ T5083] dccp_sendmsg+0x550/0x8b8 [ 80.575229][ T5083] inet_sendmsg+0x154/0x284 [ 80.575851][ T5083] __sys_sendto+0x30c/0x420 [ 80.576501][ T5083] __arm64_sys_sendto+0xd8/0xf8 [ 80.577201][ T5083] invoke_syscall+0x98/0x2b0 [ 80.577840][ T5083] el0_svc_common+0x138/0x258 [ 80.578553][ T5083] do_el0_svc+0x58/0x13c [ 80.579156][ T5083] el0_svc+0x78/0x1d0 [ 80.579730][ T5083] el0t_64_sync_handler+0xcc/0xe4 [ 80.580429][ T5083] el0t_64_sync+0x1a0/0x1a4 [ 80.581260][ T5083] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 80.582777][ T5083] CPU: 0 PID: 5083 Comm: syz.0.43 Not tainted syzkaller #0 [ 80.583744][ T5083] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.585159][ T5083] Call trace: [ 80.585622][ T5083] dump_backtrace+0x0/0x458 [ 80.586284][ T5083] show_stack+0x2c/0x3c [ 80.586882][ T5083] __dump_stack+0x30/0x40 [ 80.587555][ T5083] dump_stack_lvl+0xf4/0x15c [ 80.588187][ T5083] dump_stack+0x1c/0x5c [ 80.588795][ T5083] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 80.589740][ T5083] dccp_xmit_packet+0x298/0x448 [ 80.590403][ T5083] dccp_write_xmit+0x118/0x1d0 [ 80.591157][ T5083] dccp_sendmsg+0x550/0x8b8 [ 80.591772][ T5083] inet_sendmsg+0x154/0x284 [ 80.592485][ T5083] __sys_sendto+0x30c/0x420 [ 80.593170][ T5083] __arm64_sys_sendto+0xd8/0xf8 [ 80.593878][ T5083] invoke_syscall+0x98/0x2b0 [ 80.594544][ T5083] el0_svc_common+0x138/0x258 [ 80.595210][ T5083] do_el0_svc+0x58/0x13c [ 80.595819][ T5083] el0_svc+0x78/0x1d0 [ 80.596389][ T5083] el0t_64_sync_handler+0xcc/0xe4 [ 80.597236][ T5083] el0t_64_sync+0x1a0/0x1a4 [ 80.598643][ T5083] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 80.600383][ T5083] CPU: 0 PID: 5083 Comm: syz.0.43 Not tainted syzkaller #0 [ 80.601411][ T5083] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.602852][ T5083] Call trace: [ 80.603345][ T5083] dump_backtrace+0x0/0x458 [ 80.603987][ T5083] show_stack+0x2c/0x3c [ 80.604560][ T5083] __dump_stack+0x30/0x40 [ 80.605197][ T5083] dump_stack_lvl+0xf4/0x15c [ 80.605900][ T5083] dump_stack+0x1c/0x5c [ 80.606548][ T5083] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 80.607412][ T5083] dccp_xmit_packet+0x298/0x448 [ 80.608158][ T5083] dccp_write_xmit+0x118/0x1d0 [ 80.608851][ T5083] dccp_sendmsg+0x550/0x8b8 [ 80.609522][ T5083] inet_sendmsg+0x154/0x284 [ 80.610202][ T5083] __sys_sendto+0x30c/0x420 [ 80.610871][ T5083] __arm64_sys_sendto+0xd8/0xf8 [ 80.611558][ T5083] invoke_syscall+0x98/0x2b0 [ 80.612272][ T5083] el0_svc_common+0x138/0x258 [ 80.612961][ T5083] do_el0_svc+0x58/0x13c [ 80.613646][ T5083] el0_svc+0x78/0x1d0 [ 80.614259][ T5083] el0t_64_sync_handler+0xcc/0xe4 [ 80.615008][ T5083] el0t_64_sync+0x1a0/0x1a4 [ 80.615981][ T5083] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 80.617576][ T5083] CPU: 0 PID: 5083 Comm: syz.0.43 Not tainted syzkaller #0 [ 80.618733][ T5083] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.620137][ T5083] Call trace: [ 80.620599][ T5083] dump_backtrace+0x0/0x458 [ 80.621221][ T5083] show_stack+0x2c/0x3c [ 80.621886][ T5083] __dump_stack+0x30/0x40 [ 80.622544][ T5083] dump_stack_lvl+0xf4/0x15c [ 80.623248][ T5083] dump_stack+0x1c/0x5c [ 80.623926][ T5083] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 80.624761][ T5083] dccp_xmit_packet+0x298/0x448 [ 80.625460][ T5083] dccp_write_xmit+0x118/0x1d0 [ 80.626146][ T5083] dccp_sendmsg+0x550/0x8b8 [ 80.626816][ T5083] inet_sendmsg+0x154/0x284 [ 80.627436][ T5083] __sys_sendto+0x30c/0x420 [ 80.628106][ T5083] __arm64_sys_sendto+0xd8/0xf8 [ 80.628796][ T5083] invoke_syscall+0x98/0x2b0 [ 80.629485][ T5083] el0_svc_common+0x138/0x258 [ 80.630120][ T5083] do_el0_svc+0x58/0x13c [ 80.630775][ T5083] el0_svc+0x78/0x1d0 [ 80.631388][ T5083] el0t_64_sync_handler+0xcc/0xe4 [ 80.632138][ T5083] el0t_64_sync+0x1a0/0x1a4 [ 80.632931][ T5083] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 80.634551][ T5083] CPU: 0 PID: 5083 Comm: syz.0.43 Not tainted syzkaller #0 [ 80.635512][ T5083] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.636954][ T5083] Call trace: [ 80.637432][ T5083] dump_backtrace+0x0/0x458 [ 80.638062][ T5083] show_stack+0x2c/0x3c [ 80.638725][ T5083] __dump_stack+0x30/0x40 [ 80.639416][ T5083] dump_stack_lvl+0xf4/0x15c [ 80.640082][ T5083] dump_stack+0x1c/0x5c [ 80.640679][ T5083] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 80.641452][ T5083] dccp_xmit_packet+0x298/0x448 [ 80.642112][ T5083] dccp_write_xmit+0x118/0x1d0 [ 80.642779][ T5083] dccp_sendmsg+0x550/0x8b8 [ 80.643418][ T5083] inet_sendmsg+0x154/0x284 [ 80.644088][ T5083] __sys_sendto+0x30c/0x420 [ 80.644764][ T5083] __arm64_sys_sendto+0xd8/0xf8 [ 80.645526][ T5083] invoke_syscall+0x98/0x2b0 [ 80.646262][ T5083] el0_svc_common+0x138/0x258 [ 80.647007][ T5083] do_el0_svc+0x58/0x13c [ 80.647676][ T5083] el0_svc+0x78/0x1d0 [ 80.648324][ T5083] el0t_64_sync_handler+0xcc/0xe4 [ 80.649094][ T5083] el0t_64_sync+0x1a0/0x1a4 [ 80.658956][ T5085] dccp_xmit_packet: Payload too large (65475) for featneg. [ 80.666066][ T5085] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 80.667729][ T5085] CPU: 1 PID: 5085 Comm: syz.0.44 Not tainted syzkaller #0 [ 80.668830][ T5085] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.670198][ T5085] Call trace: [ 80.670651][ T5085] dump_backtrace+0x0/0x458 [ 80.671284][ T5085] show_stack+0x2c/0x3c [ 80.671907][ T5085] __dump_stack+0x30/0x40 [ 80.672522][ T5085] dump_stack_lvl+0xf4/0x15c [ 80.673144][ T5085] dump_stack+0x1c/0x5c [ 80.673743][ T5085] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 80.674604][ T5085] dccp_xmit_packet+0x298/0x448 [ 80.675367][ T5085] dccp_write_xmit+0x118/0x1d0 [ 80.676071][ T5085] dccp_sendmsg+0x550/0x8b8 [ 80.676708][ T5085] inet_sendmsg+0x154/0x284 [ 80.677361][ T5085] __sys_sendto+0x30c/0x420 [ 80.677992][ T5085] __arm64_sys_sendto+0xd8/0xf8 [ 80.678717][ T5085] invoke_syscall+0x98/0x2b0 [ 80.679387][ T5085] el0_svc_common+0x138/0x258 [ 80.680079][ T5085] do_el0_svc+0x58/0x13c [ 80.680700][ T5085] el0_svc+0x78/0x1d0 [ 80.681276][ T5085] el0t_64_sync_handler+0xcc/0xe4 [ 80.682016][ T5085] el0t_64_sync+0x1a0/0x1a4 [ 80.683348][ T5085] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 80.685310][ T5085] CPU: 1 PID: 5085 Comm: syz.0.44 Not tainted syzkaller #0 [ 80.686413][ T5085] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.687906][ T5085] Call trace: [ 80.688351][ T5085] dump_backtrace+0x0/0x458 [ 80.689023][ T5085] show_stack+0x2c/0x3c [ 80.689618][ T5085] __dump_stack+0x30/0x40 [ 80.690296][ T5085] dump_stack_lvl+0xf4/0x15c [ 80.690950][ T5085] dump_stack+0x1c/0x5c [ 80.691524][ T5085] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 80.692326][ T5085] dccp_xmit_packet+0x298/0x448 [ 80.693097][ T5085] dccp_write_xmit+0x118/0x1d0 [ 80.693906][ T5085] dccp_sendmsg+0x550/0x8b8 [ 80.694689][ T5085] inet_sendmsg+0x154/0x284 [ 80.695403][ T5085] __sys_sendto+0x30c/0x420 [ 80.696127][ T5085] __arm64_sys_sendto+0xd8/0xf8 [ 80.696897][ T5085] invoke_syscall+0x98/0x2b0 [ 80.697645][ T5085] el0_svc_common+0x138/0x258 [ 80.698388][ T5085] do_el0_svc+0x58/0x13c [ 80.699112][ T5085] el0_svc+0x78/0x1d0 [ 80.699738][ T5085] el0t_64_sync_handler+0xcc/0xe4 [ 80.700515][ T5085] el0t_64_sync+0x1a0/0x1a4 [ 80.701538][ T5085] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 80.703210][ T5085] CPU: 1 PID: 5085 Comm: syz.0.44 Not tainted syzkaller #0 [ 80.704228][ T5085] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.705690][ T5085] Call trace: [ 80.706149][ T5085] dump_backtrace+0x0/0x458 [ 80.706848][ T5085] show_stack+0x2c/0x3c [ 80.707427][ T5085] __dump_stack+0x30/0x40 [ 80.708072][ T5085] dump_stack_lvl+0xf4/0x15c [ 80.708753][ T5085] dump_stack+0x1c/0x5c [ 80.709340][ T5085] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 80.710122][ T5085] dccp_xmit_packet+0x298/0x448 [ 80.710849][ T5085] dccp_write_xmit+0x118/0x1d0 [ 80.711477][ T5085] dccp_sendmsg+0x550/0x8b8 [ 80.712077][ T5085] inet_sendmsg+0x154/0x284 [ 80.712734][ T5085] __sys_sendto+0x30c/0x420 [ 80.713359][ T5085] __arm64_sys_sendto+0xd8/0xf8 [ 80.714033][ T5085] invoke_syscall+0x98/0x2b0 [ 80.714681][ T5085] el0_svc_common+0x138/0x258 [ 80.715311][ T5085] do_el0_svc+0x58/0x13c [ 80.715948][ T5085] el0_svc+0x78/0x1d0 [ 80.716514][ T5085] el0t_64_sync_handler+0xcc/0xe4 [ 80.717234][ T5085] el0t_64_sync+0x1a0/0x1a4 [ 80.718341][ T5085] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 80.720147][ T5085] CPU: 1 PID: 5085 Comm: syz.0.44 Not tainted syzkaller #0 [ 80.721339][ T5085] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.722971][ T5085] Call trace: [ 80.723486][ T5085] dump_backtrace+0x0/0x458 [ 80.724187][ T5085] show_stack+0x2c/0x3c [ 80.724861][ T5085] __dump_stack+0x30/0x40 [ 80.725563][ T5085] dump_stack_lvl+0xf4/0x15c [ 80.726287][ T5085] dump_stack+0x1c/0x5c [ 80.726894][ T5085] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 80.727708][ T5085] dccp_xmit_packet+0x298/0x448 [ 80.728452][ T5085] dccp_write_xmit+0x118/0x1d0 [ 80.729218][ T5085] dccp_sendmsg+0x550/0x8b8 [ 80.729908][ T5085] inet_sendmsg+0x154/0x284 [ 80.730581][ T5085] __sys_sendto+0x30c/0x420 [ 80.731237][ T5085] __arm64_sys_sendto+0xd8/0xf8 [ 80.731951][ T5085] invoke_syscall+0x98/0x2b0 [ 80.732661][ T5085] el0_svc_common+0x138/0x258 [ 80.733429][ T5085] do_el0_svc+0x58/0x13c [ 80.734081][ T5085] el0_svc+0x78/0x1d0 [ 80.734673][ T5085] el0t_64_sync_handler+0xcc/0xe4 [ 80.735427][ T5085] el0t_64_sync+0x1a0/0x1a4 [ 80.736396][ T5085] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 80.738200][ T5085] CPU: 1 PID: 5085 Comm: syz.0.44 Not tainted syzkaller #0 [ 80.739357][ T5085] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.740909][ T5085] Call trace: [ 80.741402][ T5085] dump_backtrace+0x0/0x458 [ 80.742057][ T5085] show_stack+0x2c/0x3c [ 80.742718][ T5085] __dump_stack+0x30/0x40 [ 80.743382][ T5085] dump_stack_lvl+0xf4/0x15c [ 80.744066][ T5085] dump_stack+0x1c/0x5c [ 80.744726][ T5085] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 80.745608][ T5085] dccp_xmit_packet+0x298/0x448 [ 80.746337][ T5085] dccp_write_xmit+0x118/0x1d0 [ 80.747084][ T5085] dccp_sendmsg+0x550/0x8b8 [ 80.747777][ T5085] inet_sendmsg+0x154/0x284 [ 80.748533][ T5085] __sys_sendto+0x30c/0x420 [ 80.749210][ T5085] __arm64_sys_sendto+0xd8/0xf8 [ 80.750018][ T5085] invoke_syscall+0x98/0x2b0 [ 80.750729][ T5085] el0_svc_common+0x138/0x258 [ 80.751497][ T5085] do_el0_svc+0x58/0x13c [ 80.752183][ T5085] el0_svc+0x78/0x1d0 [ 80.752828][ T5085] el0t_64_sync_handler+0xcc/0xe4 [ 80.753594][ T5085] el0t_64_sync+0x1a0/0x1a4 [ 80.754746][ T5085] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 80.756431][ T5085] CPU: 1 PID: 5085 Comm: syz.0.44 Not tainted syzkaller #0 [ 80.757593][ T5085] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.759193][ T5085] Call trace: [ 80.759719][ T5085] dump_backtrace+0x0/0x458 [ 80.760413][ T5085] show_stack+0x2c/0x3c [ 80.761042][ T5085] __dump_stack+0x30/0x40 [ 80.761656][ T5085] dump_stack_lvl+0xf4/0x15c [ 80.762295][ T5085] dump_stack+0x1c/0x5c [ 80.762941][ T5085] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 80.763865][ T5085] dccp_xmit_packet+0x298/0x448 [ 80.764640][ T5085] dccp_write_xmit+0x118/0x1d0 [ 80.765343][ T5085] dccp_sendmsg+0x550/0x8b8 [ 80.766045][ T5085] inet_sendmsg+0x154/0x284 [ 80.766787][ T5085] __sys_sendto+0x30c/0x420 [ 80.767505][ T5085] __arm64_sys_sendto+0xd8/0xf8 [ 80.768345][ T5085] invoke_syscall+0x98/0x2b0 [ 80.769038][ T5085] el0_svc_common+0x138/0x258 [ 80.769750][ T5085] do_el0_svc+0x58/0x13c [ 80.770403][ T5085] el0_svc+0x78/0x1d0 [ 80.771057][ T5085] el0t_64_sync_handler+0xcc/0xe4 [ 80.771817][ T5085] el0t_64_sync+0x1a0/0x1a4 [ 80.772827][ T5085] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 80.774556][ T5085] CPU: 1 PID: 5085 Comm: syz.0.44 Not tainted syzkaller #0 [ 80.775555][ T5085] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.776950][ T5085] Call trace: [ 80.777422][ T5085] dump_backtrace+0x0/0x458 [ 80.778091][ T5085] show_stack+0x2c/0x3c [ 80.778694][ T5085] __dump_stack+0x30/0x40 [ 80.779358][ T5085] dump_stack_lvl+0xf4/0x15c [ 80.780053][ T5085] dump_stack+0x1c/0x5c [ 80.780699][ T5085] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 80.781493][ T5085] dccp_xmit_packet+0x298/0x448 [ 80.782205][ T5085] dccp_write_xmit+0x118/0x1d0 [ 80.782940][ T5085] dccp_sendmsg+0x550/0x8b8 [ 80.783602][ T5085] inet_sendmsg+0x154/0x284 [ 80.784264][ T5085] __sys_sendto+0x30c/0x420 [ 80.784929][ T5085] __arm64_sys_sendto+0xd8/0xf8 [ 80.785667][ T5085] invoke_syscall+0x98/0x2b0 [ 80.786346][ T5085] el0_svc_common+0x138/0x258 [ 80.787031][ T5085] do_el0_svc+0x58/0x13c [ 80.787679][ T5085] el0_svc+0x78/0x1d0 [ 80.788273][ T5085] el0t_64_sync_handler+0xcc/0xe4 [ 80.789021][ T5085] el0t_64_sync+0x1a0/0x1a4 [ 80.789868][ T5085] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 80.791451][ T5085] CPU: 1 PID: 5085 Comm: syz.0.44 Not tainted syzkaller #0 [ 80.792634][ T5085] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.794113][ T5085] Call trace: [ 80.794580][ T5085] dump_backtrace+0x0/0x458 [ 80.795331][ T5085] show_stack+0x2c/0x3c [ 80.795962][ T5085] __dump_stack+0x30/0x40 [ 80.796598][ T5085] dump_stack_lvl+0xf4/0x15c [ 80.797281][ T5085] dump_stack+0x1c/0x5c [ 80.797947][ T5085] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 80.798780][ T5085] dccp_xmit_packet+0x298/0x448 [ 80.799508][ T5085] dccp_write_xmit+0x118/0x1d0 [ 80.800250][ T5085] dccp_sendmsg+0x550/0x8b8 [ 80.800891][ T5085] inet_sendmsg+0x154/0x284 [ 80.801550][ T5085] __sys_sendto+0x30c/0x420 [ 80.802233][ T5085] __arm64_sys_sendto+0xd8/0xf8 [ 80.802946][ T5085] invoke_syscall+0x98/0x2b0 [ 80.803634][ T5085] el0_svc_common+0x138/0x258 [ 80.804320][ T5085] do_el0_svc+0x58/0x13c [ 80.804916][ T5085] el0_svc+0x78/0x1d0 [ 80.805474][ T5085] el0t_64_sync_handler+0xcc/0xe4 [ 80.806186][ T5085] el0t_64_sync+0x1a0/0x1a4 [ 80.806993][ T5085] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 80.808625][ T5085] CPU: 1 PID: 5085 Comm: syz.0.44 Not tainted syzkaller #0 [ 80.809621][ T5085] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.810996][ T5085] Call trace: [ 80.811469][ T5085] dump_backtrace+0x0/0x458 [ 80.812125][ T5085] show_stack+0x2c/0x3c [ 80.812725][ T5085] __dump_stack+0x30/0x40 [ 80.813330][ T5085] dump_stack_lvl+0xf4/0x15c [ 80.813964][ T5085] dump_stack+0x1c/0x5c [ 80.814562][ T5085] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 80.815351][ T5085] dccp_xmit_packet+0x298/0x448 [ 80.816032][ T5085] dccp_write_xmit+0x118/0x1d0 [ 80.816735][ T5085] dccp_sendmsg+0x550/0x8b8 [ 80.817438][ T5085] inet_sendmsg+0x154/0x284 [ 80.818080][ T5085] __sys_sendto+0x30c/0x420 [ 80.818777][ T5085] __arm64_sys_sendto+0xd8/0xf8 [ 80.819480][ T5085] invoke_syscall+0x98/0x2b0 [ 80.820162][ T5085] el0_svc_common+0x138/0x258 [ 80.820935][ T5085] do_el0_svc+0x58/0x13c [ 80.821611][ T5085] el0_svc+0x78/0x1d0 [ 80.822217][ T5085] el0t_64_sync_handler+0xcc/0xe4 [ 80.822972][ T5085] el0t_64_sync+0x1a0/0x1a4 [ 80.824005][ T5085] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 80.825786][ T5085] CPU: 1 PID: 5085 Comm: syz.0.44 Not tainted syzkaller #0 [ 80.826811][ T5085] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.828259][ T5085] Call trace: [ 80.828797][ T5085] dump_backtrace+0x0/0x458 [ 80.829457][ T5085] show_stack+0x2c/0x3c [ 80.830033][ T5085] __dump_stack+0x30/0x40 [ 80.830698][ T5085] dump_stack_lvl+0xf4/0x15c [ 80.831385][ T5085] dump_stack+0x1c/0x5c [ 80.832028][ T5085] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 80.832811][ T5085] dccp_xmit_packet+0x298/0x448 [ 80.833549][ T5085] dccp_write_xmit+0x118/0x1d0 [ 80.834242][ T5085] dccp_sendmsg+0x550/0x8b8 [ 80.834892][ T5085] inet_sendmsg+0x154/0x284 [ 80.835585][ T5085] __sys_sendto+0x30c/0x420 [ 80.836291][ T5085] __arm64_sys_sendto+0xd8/0xf8 [ 80.837006][ T5085] invoke_syscall+0x98/0x2b0 [ 80.837694][ T5085] el0_svc_common+0x138/0x258 [ 80.838373][ T5085] do_el0_svc+0x58/0x13c [ 80.838985][ T5085] el0_svc+0x78/0x1d0 [ 80.839527][ T5085] el0t_64_sync_handler+0xcc/0xe4 [ 80.840224][ T5085] el0t_64_sync+0x1a0/0x1a4 [ 80.841005][ T5085] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 80.842677][ T5085] CPU: 1 PID: 5085 Comm: syz.0.44 Not tainted syzkaller #0 [ 80.843759][ T5085] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.845226][ T5085] Call trace: [ 80.845714][ T5085] dump_backtrace+0x0/0x458 [ 80.846355][ T5085] show_stack+0x2c/0x3c [ 80.846972][ T5085] __dump_stack+0x30/0x40 [ 80.847601][ T5085] dump_stack_lvl+0xf4/0x15c [ 80.848266][ T5085] dump_stack+0x1c/0x5c [ 80.848848][ T5085] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 80.849628][ T5085] dccp_xmit_packet+0x298/0x448 [ 80.850364][ T5085] dccp_write_xmit+0x118/0x1d0 [ 80.851089][ T5085] dccp_sendmsg+0x550/0x8b8 [ 80.851746][ T5085] inet_sendmsg+0x154/0x284 [ 80.852392][ T5085] __sys_sendto+0x30c/0x420 [ 80.853032][ T5085] __arm64_sys_sendto+0xd8/0xf8 [ 80.853728][ T5085] invoke_syscall+0x98/0x2b0 [ 80.854355][ T5085] el0_svc_common+0x138/0x258 [ 80.854998][ T5085] do_el0_svc+0x58/0x13c [ 80.855656][ T5085] el0_svc+0x78/0x1d0 [ 80.856257][ T5085] el0t_64_sync_handler+0xcc/0xe4 [ 80.856957][ T5085] el0t_64_sync+0x1a0/0x1a4 [ 80.857748][ T5085] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 80.859410][ T5085] CPU: 1 PID: 5085 Comm: syz.0.44 Not tainted syzkaller #0 [ 80.860411][ T5085] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.861783][ T5085] Call trace: [ 80.862244][ T5085] dump_backtrace+0x0/0x458 [ 80.862881][ T5085] show_stack+0x2c/0x3c [ 80.863486][ T5085] __dump_stack+0x30/0x40 [ 80.864149][ T5085] dump_stack_lvl+0xf4/0x15c [ 80.864825][ T5085] dump_stack+0x1c/0x5c [ 80.865476][ T5085] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 80.866369][ T5085] dccp_xmit_packet+0x298/0x448 [ 80.867099][ T5085] dccp_write_xmit+0x118/0x1d0 [ 80.867806][ T5085] dccp_sendmsg+0x550/0x8b8 [ 80.868451][ T5085] inet_sendmsg+0x154/0x284 [ 80.869089][ T5085] __sys_sendto+0x30c/0x420 [ 80.869771][ T5085] __arm64_sys_sendto+0xd8/0xf8 [ 80.870499][ T5085] invoke_syscall+0x98/0x2b0 [ 80.871153][ T5085] el0_svc_common+0x138/0x258 [ 80.871827][ T5085] do_el0_svc+0x58/0x13c [ 80.872424][ T5085] el0_svc+0x78/0x1d0 [ 80.873007][ T5085] el0t_64_sync_handler+0xcc/0xe4 [ 80.873769][ T5085] el0t_64_sync+0x1a0/0x1a4 [ 80.875054][ T5085] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 80.876720][ T5085] CPU: 1 PID: 5085 Comm: syz.0.44 Not tainted syzkaller #0 [ 80.877780][ T5085] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.879156][ T5085] Call trace: [ 80.879627][ T5085] dump_backtrace+0x0/0x458 [ 80.880229][ T5085] show_stack+0x2c/0x3c [ 80.880808][ T5085] __dump_stack+0x30/0x40 [ 80.881434][ T5085] dump_stack_lvl+0xf4/0x15c [ 80.882068][ T5085] dump_stack+0x1c/0x5c [ 80.882699][ T5085] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 80.883483][ T5085] dccp_xmit_packet+0x298/0x448 [ 80.884203][ T5085] dccp_write_xmit+0x118/0x1d0 [ 80.884927][ T5085] dccp_sendmsg+0x550/0x8b8 [ 80.885662][ T5085] inet_sendmsg+0x154/0x284 [ 80.886326][ T5085] __sys_sendto+0x30c/0x420 [ 80.887005][ T5085] __arm64_sys_sendto+0xd8/0xf8 [ 80.887749][ T5085] invoke_syscall+0x98/0x2b0 [ 80.888405][ T5085] el0_svc_common+0x138/0x258 [ 80.889143][ T5085] do_el0_svc+0x58/0x13c [ 80.889820][ T5085] el0_svc+0x78/0x1d0 [ 80.890433][ T5085] el0t_64_sync_handler+0xcc/0xe4 [ 80.891152][ T5085] el0t_64_sync+0x1a0/0x1a4 [ 80.891994][ T5085] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 80.893524][ T5085] CPU: 1 PID: 5085 Comm: syz.0.44 Not tainted syzkaller #0 [ 80.894608][ T5085] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.896060][ T5085] Call trace: [ 80.896538][ T5085] dump_backtrace+0x0/0x458 [ 80.897186][ T5085] show_stack+0x2c/0x3c [ 80.897825][ T5085] __dump_stack+0x30/0x40 [ 80.898486][ T5085] dump_stack_lvl+0xf4/0x15c [ 80.899198][ T5085] dump_stack+0x1c/0x5c [ 80.899884][ T5085] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 80.900642][ T5085] dccp_xmit_packet+0x298/0x448 [ 80.901354][ T5085] dccp_write_xmit+0x118/0x1d0 [ 80.902037][ T5085] dccp_sendmsg+0x550/0x8b8 [ 80.902757][ T5085] inet_sendmsg+0x154/0x284 [ 80.903447][ T5085] __sys_sendto+0x30c/0x420 [ 80.904116][ T5085] __arm64_sys_sendto+0xd8/0xf8 [ 80.904902][ T5085] invoke_syscall+0x98/0x2b0 [ 80.905556][ T5085] el0_svc_common+0x138/0x258 [ 80.906233][ T5085] do_el0_svc+0x58/0x13c [ 80.906867][ T5085] el0_svc+0x78/0x1d0 [ 80.907469][ T5085] el0t_64_sync_handler+0xcc/0xe4 [ 80.908209][ T5085] el0t_64_sync+0x1a0/0x1a4 [ 80.909004][ T5085] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 80.910570][ T5085] CPU: 1 PID: 5085 Comm: syz.0.44 Not tainted syzkaller #0 [ 80.911605][ T5085] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.913000][ T5085] Call trace: [ 80.913461][ T5085] dump_backtrace+0x0/0x458 [ 80.914112][ T5085] show_stack+0x2c/0x3c [ 80.914683][ T5085] __dump_stack+0x30/0x40 [ 80.915375][ T5085] dump_stack_lvl+0xf4/0x15c [ 80.916044][ T5085] dump_stack+0x1c/0x5c [ 80.916638][ T5085] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 80.917486][ T5085] dccp_xmit_packet+0x298/0x448 [ 80.918235][ T5085] dccp_write_xmit+0x118/0x1d0 [ 80.918988][ T5085] dccp_sendmsg+0x550/0x8b8 [ 80.919673][ T5085] inet_sendmsg+0x154/0x284 [ 80.920386][ T5085] __sys_sendto+0x30c/0x420 [ 80.921113][ T5085] __arm64_sys_sendto+0xd8/0xf8 [ 80.921825][ T5085] invoke_syscall+0x98/0x2b0 [ 80.922512][ T5085] el0_svc_common+0x138/0x258 [ 80.923207][ T5085] do_el0_svc+0x58/0x13c [ 80.923848][ T5085] el0_svc+0x78/0x1d0 [ 80.924465][ T5085] el0t_64_sync_handler+0xcc/0xe4 [ 80.925155][ T5085] el0t_64_sync+0x1a0/0x1a4 [ 80.926149][ T5085] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 80.927892][ T5085] CPU: 1 PID: 5085 Comm: syz.0.44 Not tainted syzkaller #0 [ 80.929059][ T5085] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.930614][ T5085] Call trace: [ 80.931102][ T5085] dump_backtrace+0x0/0x458 [ 80.931790][ T5085] show_stack+0x2c/0x3c [ 80.932386][ T5085] __dump_stack+0x30/0x40 [ 80.933019][ T5085] dump_stack_lvl+0xf4/0x15c [ 80.933702][ T5085] dump_stack+0x1c/0x5c [ 80.934343][ T5085] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 80.935220][ T5085] dccp_xmit_packet+0x298/0x448 [ 80.935936][ T5085] dccp_write_xmit+0x118/0x1d0 [ 80.936672][ T5085] dccp_sendmsg+0x550/0x8b8 [ 80.937302][ T5085] inet_sendmsg+0x154/0x284 [ 80.937984][ T5085] __sys_sendto+0x30c/0x420 [ 80.938682][ T5085] __arm64_sys_sendto+0xd8/0xf8 [ 80.939414][ T5085] invoke_syscall+0x98/0x2b0 [ 80.940130][ T5085] el0_svc_common+0x138/0x258 [ 80.940823][ T5085] do_el0_svc+0x58/0x13c [ 80.941441][ T5085] el0_svc+0x78/0x1d0 [ 80.942043][ T5085] el0t_64_sync_handler+0xcc/0xe4 [ 80.942766][ T5085] el0t_64_sync+0x1a0/0x1a4 [ 80.953262][ T5087] dccp_xmit_packet: Payload too large (65475) for featneg. [ 80.960030][ T5087] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 80.961844][ T5087] CPU: 1 PID: 5087 Comm: syz.0.45 Not tainted syzkaller #0 [ 80.962993][ T5087] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.964609][ T5087] Call trace: [ 80.965123][ T5087] dump_backtrace+0x0/0x458 [ 80.965875][ T5087] show_stack+0x2c/0x3c [ 80.966535][ T5087] __dump_stack+0x30/0x40 [ 80.967239][ T5087] dump_stack_lvl+0xf4/0x15c [ 80.967984][ T5087] dump_stack+0x1c/0x5c [ 80.968647][ T5087] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 80.969496][ T5087] dccp_xmit_packet+0x298/0x448 [ 80.970235][ T5087] dccp_write_xmit+0x118/0x1d0 [ 80.970915][ T5087] dccp_sendmsg+0x550/0x8b8 [ 80.971620][ T5087] inet_sendmsg+0x154/0x284 [ 80.972333][ T5087] __sys_sendto+0x30c/0x420 [ 80.973001][ T5087] __arm64_sys_sendto+0xd8/0xf8 [ 80.973758][ T5087] invoke_syscall+0x98/0x2b0 [ 80.974431][ T5087] el0_svc_common+0x138/0x258 [ 80.975244][ T5087] do_el0_svc+0x58/0x13c [ 80.975855][ T5087] el0_svc+0x78/0x1d0 [ 80.976413][ T5087] el0t_64_sync_handler+0xcc/0xe4 [ 80.977097][ T5087] el0t_64_sync+0x1a0/0x1a4 [ 80.978848][ T5087] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 80.980589][ T5087] CPU: 0 PID: 5087 Comm: syz.0.45 Not tainted syzkaller #0 [ 80.981671][ T5087] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.983222][ T5087] Call trace: [ 80.983720][ T5087] dump_backtrace+0x0/0x458 [ 80.984416][ T5087] show_stack+0x2c/0x3c [ 80.985099][ T5087] __dump_stack+0x30/0x40 [ 80.985719][ T5087] dump_stack_lvl+0xf4/0x15c [ 80.986414][ T5087] dump_stack+0x1c/0x5c [ 80.987021][ T5087] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 80.987862][ T5087] dccp_xmit_packet+0x298/0x448 [ 80.988564][ T5087] dccp_write_xmit+0x118/0x1d0 [ 80.989298][ T5087] dccp_sendmsg+0x550/0x8b8 [ 80.989946][ T5087] inet_sendmsg+0x154/0x284 [ 80.990591][ T5087] __sys_sendto+0x30c/0x420 [ 80.991246][ T5087] __arm64_sys_sendto+0xd8/0xf8 [ 80.991917][ T5087] invoke_syscall+0x98/0x2b0 [ 80.992673][ T5087] el0_svc_common+0x138/0x258 [ 80.993331][ T5087] do_el0_svc+0x58/0x13c [ 80.993915][ T5087] el0_svc+0x78/0x1d0 [ 80.994486][ T5087] el0t_64_sync_handler+0xcc/0xe4 [ 80.995154][ T5087] el0t_64_sync+0x1a0/0x1a4 [ 80.998241][ T5087] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 80.999806][ T5087] CPU: 0 PID: 5087 Comm: syz.0.45 Not tainted syzkaller #0 [ 81.000803][ T5087] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.002170][ T5087] Call trace: [ 81.002590][ T5087] dump_backtrace+0x0/0x458 [ 81.003192][ T5087] show_stack+0x2c/0x3c [ 81.003775][ T5087] __dump_stack+0x30/0x40 [ 81.004378][ T5087] dump_stack_lvl+0xf4/0x15c [ 81.005055][ T5087] dump_stack+0x1c/0x5c [ 81.005667][ T5087] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 81.006442][ T5087] dccp_xmit_packet+0x298/0x448 [ 81.007180][ T5087] dccp_write_xmit+0x118/0x1d0 [ 81.007931][ T5087] dccp_sendmsg+0x550/0x8b8 [ 81.008605][ T5087] inet_sendmsg+0x154/0x284 [ 81.009259][ T5087] __sys_sendto+0x30c/0x420 [ 81.009937][ T5087] __arm64_sys_sendto+0xd8/0xf8 [ 81.010706][ T5087] invoke_syscall+0x98/0x2b0 [ 81.011381][ T5087] el0_svc_common+0x138/0x258 [ 81.012084][ T5087] do_el0_svc+0x58/0x13c [ 81.012688][ T5087] el0_svc+0x78/0x1d0 [ 81.013269][ T5087] el0t_64_sync_handler+0xcc/0xe4 [ 81.014007][ T5087] el0t_64_sync+0x1a0/0x1a4 [ 81.016226][ T5087] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 81.017989][ T5087] CPU: 1 PID: 5087 Comm: syz.0.45 Not tainted syzkaller #0 [ 81.019100][ T5087] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.020688][ T5087] Call trace: [ 81.021150][ T5087] dump_backtrace+0x0/0x458 [ 81.021807][ T5087] show_stack+0x2c/0x3c [ 81.022412][ T5087] __dump_stack+0x30/0x40 [ 81.023033][ T5087] dump_stack_lvl+0xf4/0x15c [ 81.023700][ T5087] dump_stack+0x1c/0x5c [ 81.024359][ T5087] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 81.025260][ T5087] dccp_xmit_packet+0x298/0x448 [ 81.025960][ T5087] dccp_write_xmit+0x118/0x1d0 [ 81.026678][ T5087] dccp_sendmsg+0x550/0x8b8 [ 81.027386][ T5087] inet_sendmsg+0x154/0x284 [ 81.028108][ T5087] __sys_sendto+0x30c/0x420 [ 81.028791][ T5087] __arm64_sys_sendto+0xd8/0xf8 [ 81.029547][ T5087] invoke_syscall+0x98/0x2b0 [ 81.030266][ T5087] el0_svc_common+0x138/0x258 [ 81.031018][ T5087] do_el0_svc+0x58/0x13c [ 81.031948][ T5087] el0_svc+0x78/0x1d0 [ 81.032537][ T5087] el0t_64_sync_handler+0xcc/0xe4 [ 81.033280][ T5087] el0t_64_sync+0x1a0/0x1a4 [ 81.035192][ T5087] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 81.036849][ T5087] CPU: 0 PID: 5087 Comm: syz.0.45 Not tainted syzkaller #0 [ 81.037802][ T5087] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.039178][ T5087] Call trace: [ 81.039604][ T5087] dump_backtrace+0x0/0x458 [ 81.040230][ T5087] show_stack+0x2c/0x3c [ 81.040823][ T5087] __dump_stack+0x30/0x40 [ 81.041491][ T5087] dump_stack_lvl+0xf4/0x15c [ 81.042131][ T5087] dump_stack+0x1c/0x5c [ 81.042729][ T5087] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 81.043499][ T5087] dccp_xmit_packet+0x298/0x448 [ 81.044200][ T5087] dccp_write_xmit+0x118/0x1d0 [ 81.044862][ T5087] dccp_sendmsg+0x550/0x8b8 [ 81.045504][ T5087] inet_sendmsg+0x154/0x284 [ 81.046089][ T5087] __sys_sendto+0x30c/0x420 [ 81.046771][ T5087] __arm64_sys_sendto+0xd8/0xf8 [ 81.047457][ T5087] invoke_syscall+0x98/0x2b0 [ 81.048049][ T5087] el0_svc_common+0x138/0x258 [ 81.048651][ T5087] do_el0_svc+0x58/0x13c [ 81.049257][ T5087] el0_svc+0x78/0x1d0 [ 81.049811][ T5087] el0t_64_sync_handler+0xcc/0xe4 [ 81.050513][ T5087] el0t_64_sync+0x1a0/0x1a4 [ 81.051373][ T5087] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 81.052944][ T5087] CPU: 0 PID: 5087 Comm: syz.0.45 Not tainted syzkaller #0 [ 81.053936][ T5087] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.055342][ T5087] Call trace: [ 81.055856][ T5087] dump_backtrace+0x0/0x458 [ 81.056514][ T5087] show_stack+0x2c/0x3c [ 81.057132][ T5087] __dump_stack+0x30/0x40 [ 81.057768][ T5087] dump_stack_lvl+0xf4/0x15c [ 81.058405][ T5087] dump_stack+0x1c/0x5c [ 81.059021][ T5087] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 81.059857][ T5087] dccp_xmit_packet+0x298/0x448 [ 81.060561][ T5087] dccp_write_xmit+0x118/0x1d0 [ 81.061283][ T5087] dccp_sendmsg+0x550/0x8b8 [ 81.061938][ T5087] inet_sendmsg+0x154/0x284 [ 81.062607][ T5087] __sys_sendto+0x30c/0x420 [ 81.063270][ T5087] __arm64_sys_sendto+0xd8/0xf8 [ 81.064093][ T5087] invoke_syscall+0x98/0x2b0 [ 81.064888][ T5087] el0_svc_common+0x138/0x258 [ 81.065673][ T5087] do_el0_svc+0x58/0x13c [ 81.066373][ T5087] el0_svc+0x78/0x1d0 [ 81.067009][ T5087] el0t_64_sync_handler+0xcc/0xe4 [ 81.067807][ T5087] el0t_64_sync+0x1a0/0x1a4 [ 81.069344][ T5087] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 81.071091][ T5087] CPU: 0 PID: 5087 Comm: syz.0.45 Not tainted syzkaller #0 [ 81.072173][ T5087] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.073617][ T5087] Call trace: [ 81.074109][ T5087] dump_backtrace+0x0/0x458 [ 81.074736][ T5087] show_stack+0x2c/0x3c [ 81.075327][ T5087] __dump_stack+0x30/0x40 [ 81.075933][ T5087] dump_stack_lvl+0xf4/0x15c [ 81.076595][ T5087] dump_stack+0x1c/0x5c [ 81.077207][ T5087] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 81.078050][ T5087] dccp_xmit_packet+0x298/0x448 [ 81.078824][ T5087] dccp_write_xmit+0x118/0x1d0 [ 81.079502][ T5087] dccp_sendmsg+0x550/0x8b8 [ 81.080238][ T5087] inet_sendmsg+0x154/0x284 [ 81.080906][ T5087] __sys_sendto+0x30c/0x420 [ 81.081631][ T5087] __arm64_sys_sendto+0xd8/0xf8 [ 81.082391][ T5087] invoke_syscall+0x98/0x2b0 [ 81.083014][ T5087] el0_svc_common+0x138/0x258 [ 81.083689][ T5087] do_el0_svc+0x58/0x13c [ 81.084337][ T5087] el0_svc+0x78/0x1d0 [ 81.084935][ T5087] el0t_64_sync_handler+0xcc/0xe4 [ 81.085669][ T5087] el0t_64_sync+0x1a0/0x1a4 [ 81.087198][ T5087] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 81.088902][ T5087] CPU: 0 PID: 5087 Comm: syz.0.45 Not tainted syzkaller #0 [ 81.089952][ T5087] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.091404][ T5087] Call trace: [ 81.091846][ T5087] dump_backtrace+0x0/0x458 [ 81.092531][ T5087] show_stack+0x2c/0x3c [ 81.093097][ T5087] __dump_stack+0x30/0x40 [ 81.093715][ T5087] dump_stack_lvl+0xf4/0x15c [ 81.094354][ T5087] dump_stack+0x1c/0x5c [ 81.094924][ T5087] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 81.095673][ T5087] dccp_xmit_packet+0x298/0x448 [ 81.096482][ T5087] dccp_write_xmit+0x118/0x1d0 [ 81.097118][ T5087] dccp_sendmsg+0x550/0x8b8 [ 81.097764][ T5087] inet_sendmsg+0x154/0x284 [ 81.098389][ T5087] __sys_sendto+0x30c/0x420 [ 81.099011][ T5087] __arm64_sys_sendto+0xd8/0xf8 [ 81.099721][ T5087] invoke_syscall+0x98/0x2b0 [ 81.100318][ T5087] el0_svc_common+0x138/0x258 [ 81.100969][ T5087] do_el0_svc+0x58/0x13c [ 81.101558][ T5087] el0_svc+0x78/0x1d0 [ 81.102102][ T5087] el0t_64_sync_handler+0xcc/0xe4 [ 81.102835][ T5087] el0t_64_sync+0x1a0/0x1a4 [ 81.103580][ T5087] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 81.105239][ T5087] CPU: 0 PID: 5087 Comm: syz.0.45 Not tainted syzkaller #0 [ 81.106246][ T5087] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.107697][ T5087] Call trace: [ 81.108146][ T5087] dump_backtrace+0x0/0x458 [ 81.108774][ T5087] show_stack+0x2c/0x3c [ 81.109392][ T5087] __dump_stack+0x30/0x40 [ 81.110050][ T5087] dump_stack_lvl+0xf4/0x15c [ 81.110731][ T5087] dump_stack+0x1c/0x5c [ 81.111326][ T5087] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 81.112086][ T5087] dccp_xmit_packet+0x298/0x448 [ 81.112767][ T5087] dccp_write_xmit+0x118/0x1d0 [ 81.113461][ T5087] dccp_sendmsg+0x550/0x8b8 [ 81.114141][ T5087] inet_sendmsg+0x154/0x284 [ 81.114764][ T5087] __sys_sendto+0x30c/0x420 [ 81.115417][ T5087] __arm64_sys_sendto+0xd8/0xf8 [ 81.116149][ T5087] invoke_syscall+0x98/0x2b0 [ 81.116838][ T5087] el0_svc_common+0x138/0x258 [ 81.117564][ T5087] do_el0_svc+0x58/0x13c [ 81.118208][ T5087] el0_svc+0x78/0x1d0 [ 81.118791][ T5087] el0t_64_sync_handler+0xcc/0xe4 [ 81.119544][ T5087] el0t_64_sync+0x1a0/0x1a4 [ 81.120389][ T5087] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 81.121945][ T5087] CPU: 0 PID: 5087 Comm: syz.0.45 Not tainted syzkaller #0 [ 81.122939][ T5087] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.124380][ T5087] Call trace: [ 81.124861][ T5087] dump_backtrace+0x0/0x458 [ 81.125559][ T5087] show_stack+0x2c/0x3c [ 81.126157][ T5087] __dump_stack+0x30/0x40 [ 81.126762][ T5087] dump_stack_lvl+0xf4/0x15c [ 81.127434][ T5087] dump_stack+0x1c/0x5c [ 81.128026][ T5087] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 81.128885][ T5087] dccp_xmit_packet+0x298/0x448 [ 81.129613][ T5087] dccp_write_xmit+0x118/0x1d0 [ 81.130280][ T5087] dccp_sendmsg+0x550/0x8b8 [ 81.131004][ T5087] inet_sendmsg+0x154/0x284 [ 81.131644][ T5087] __sys_sendto+0x30c/0x420 [ 81.132301][ T5087] __arm64_sys_sendto+0xd8/0xf8 [ 81.133005][ T5087] invoke_syscall+0x98/0x2b0 [ 81.133732][ T5087] el0_svc_common+0x138/0x258 [ 81.134423][ T5087] do_el0_svc+0x58/0x13c [ 81.135058][ T5087] el0_svc+0x78/0x1d0 [ 81.135678][ T5087] el0t_64_sync_handler+0xcc/0xe4 [ 81.136395][ T5087] el0t_64_sync+0x1a0/0x1a4 [ 81.137711][ T5087] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 81.139380][ T5087] CPU: 0 PID: 5087 Comm: syz.0.45 Not tainted syzkaller #0 [ 81.140520][ T5087] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.141882][ T5087] Call trace: [ 81.142371][ T5087] dump_backtrace+0x0/0x458 [ 81.143049][ T5087] show_stack+0x2c/0x3c [ 81.143704][ T5087] __dump_stack+0x30/0x40 [ 81.144354][ T5087] dump_stack_lvl+0xf4/0x15c [ 81.145044][ T5087] dump_stack+0x1c/0x5c [ 81.145677][ T5087] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 81.146548][ T5087] dccp_xmit_packet+0x298/0x448 [ 81.147270][ T5087] dccp_write_xmit+0x118/0x1d0 [ 81.147938][ T5087] dccp_sendmsg+0x550/0x8b8 [ 81.148607][ T5087] inet_sendmsg+0x154/0x284 [ 81.149285][ T5087] __sys_sendto+0x30c/0x420 [ 81.149955][ T5087] __arm64_sys_sendto+0xd8/0xf8 [ 81.150725][ T5087] invoke_syscall+0x98/0x2b0 [ 81.151400][ T5087] el0_svc_common+0x138/0x258 [ 81.152098][ T5087] do_el0_svc+0x58/0x13c [ 81.152775][ T5087] el0_svc+0x78/0x1d0 [ 81.153527][ T5087] el0t_64_sync_handler+0xcc/0xe4 [ 81.154289][ T5087] el0t_64_sync+0x1a0/0x1a4 [ 81.155295][ T5087] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 81.156872][ T5087] CPU: 0 PID: 5087 Comm: syz.0.45 Not tainted syzkaller #0 [ 81.157934][ T5087] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.159398][ T5087] Call trace: [ 81.159873][ T5087] dump_backtrace+0x0/0x458 [ 81.160532][ T5087] show_stack+0x2c/0x3c [ 81.161135][ T5087] __dump_stack+0x30/0x40 [ 81.161772][ T5087] dump_stack_lvl+0xf4/0x15c [ 81.162525][ T5087] dump_stack+0x1c/0x5c [ 81.163104][ T5087] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 81.163879][ T5087] dccp_xmit_packet+0x298/0x448 [ 81.164562][ T5087] dccp_write_xmit+0x118/0x1d0 [ 81.165271][ T5087] dccp_sendmsg+0x550/0x8b8 [ 81.165931][ T5087] inet_sendmsg+0x154/0x284 [ 81.166574][ T5087] __sys_sendto+0x30c/0x420 [ 81.167206][ T5087] __arm64_sys_sendto+0xd8/0xf8 [ 81.167915][ T5087] invoke_syscall+0x98/0x2b0 [ 81.168638][ T5087] el0_svc_common+0x138/0x258 [ 81.169429][ T5087] do_el0_svc+0x58/0x13c [ 81.170050][ T5087] el0_svc+0x78/0x1d0 [ 81.170631][ T5087] el0t_64_sync_handler+0xcc/0xe4 [ 81.171363][ T5087] el0t_64_sync+0x1a0/0x1a4 [ 81.172253][ T5087] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 81.173909][ T5087] CPU: 0 PID: 5087 Comm: syz.0.45 Not tainted syzkaller #0 [ 81.174985][ T5087] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.176441][ T5087] Call trace: [ 81.176918][ T5087] dump_backtrace+0x0/0x458 [ 81.177599][ T5087] show_stack+0x2c/0x3c [ 81.178176][ T5087] __dump_stack+0x30/0x40 [ 81.178846][ T5087] dump_stack_lvl+0xf4/0x15c [ 81.179526][ T5087] dump_stack+0x1c/0x5c [ 81.180106][ T5087] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 81.180917][ T5087] dccp_xmit_packet+0x298/0x448 [ 81.181770][ T5087] dccp_write_xmit+0x118/0x1d0 [ 81.182587][ T5087] dccp_sendmsg+0x550/0x8b8 [ 81.183402][ T5087] inet_sendmsg+0x154/0x284 [ 81.184074][ T5087] __sys_sendto+0x30c/0x420 [ 81.184744][ T5087] __arm64_sys_sendto+0xd8/0xf8 [ 81.185489][ T5087] invoke_syscall+0x98/0x2b0 [ 81.186205][ T5087] el0_svc_common+0x138/0x258 [ 81.186970][ T5087] do_el0_svc+0x58/0x13c [ 81.187631][ T5087] el0_svc+0x78/0x1d0 [ 81.188261][ T5087] el0t_64_sync_handler+0xcc/0xe4 [ 81.189070][ T5087] el0t_64_sync+0x1a0/0x1a4 [ 81.189966][ T5087] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 81.191810][ T5087] CPU: 0 PID: 5087 Comm: syz.0.45 Not tainted syzkaller #0 [ 81.192992][ T5087] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.194620][ T5087] Call trace: [ 81.195150][ T5087] dump_backtrace+0x0/0x458 [ 81.195888][ T5087] show_stack+0x2c/0x3c [ 81.196559][ T5087] __dump_stack+0x30/0x40 [ 81.197286][ T5087] dump_stack_lvl+0xf4/0x15c [ 81.198041][ T5087] dump_stack+0x1c/0x5c [ 81.198711][ T5087] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 81.199529][ T5087] dccp_xmit_packet+0x298/0x448 [ 81.200279][ T5087] dccp_write_xmit+0x118/0x1d0 [ 81.200998][ T5087] dccp_sendmsg+0x550/0x8b8 [ 81.201701][ T5087] inet_sendmsg+0x154/0x284 [ 81.202416][ T5087] __sys_sendto+0x30c/0x420 [ 81.203108][ T5087] __arm64_sys_sendto+0xd8/0xf8 [ 81.203841][ T5087] invoke_syscall+0x98/0x2b0 [ 81.204498][ T5087] el0_svc_common+0x138/0x258 [ 81.205210][ T5087] do_el0_svc+0x58/0x13c [ 81.205830][ T5087] el0_svc+0x78/0x1d0 [ 81.206411][ T5087] el0t_64_sync_handler+0xcc/0xe4 [ 81.207183][ T5087] el0t_64_sync+0x1a0/0x1a4 [ 81.208047][ T5087] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 81.209633][ T5087] CPU: 0 PID: 5087 Comm: syz.0.45 Not tainted syzkaller #0 [ 81.210637][ T5087] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.212142][ T5087] Call trace: [ 81.212625][ T5087] dump_backtrace+0x0/0x458 [ 81.213280][ T5087] show_stack+0x2c/0x3c [ 81.213904][ T5087] __dump_stack+0x30/0x40 [ 81.214556][ T5087] dump_stack_lvl+0xf4/0x15c [ 81.215277][ T5087] dump_stack+0x1c/0x5c [ 81.215899][ T5087] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 81.216740][ T5087] dccp_xmit_packet+0x298/0x448 [ 81.217461][ T5087] dccp_write_xmit+0x118/0x1d0 [ 81.218141][ T5087] dccp_sendmsg+0x550/0x8b8 [ 81.218856][ T5087] inet_sendmsg+0x154/0x284 [ 81.219558][ T5087] __sys_sendto+0x30c/0x420 [ 81.220215][ T5087] __arm64_sys_sendto+0xd8/0xf8 [ 81.220935][ T5087] invoke_syscall+0x98/0x2b0 [ 81.221587][ T5087] el0_svc_common+0x138/0x258 [ 81.222318][ T5087] do_el0_svc+0x58/0x13c [ 81.222977][ T5087] el0_svc+0x78/0x1d0 [ 81.223595][ T5087] el0t_64_sync_handler+0xcc/0xe4 [ 81.224314][ T5087] el0t_64_sync+0x1a0/0x1a4 [ 81.225227][ T5087] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 81.226949][ T5087] CPU: 0 PID: 5087 Comm: syz.0.45 Not tainted syzkaller #0 [ 81.228027][ T5087] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.229585][ T5087] Call trace: [ 81.230101][ T5087] dump_backtrace+0x0/0x458 [ 81.230795][ T5087] show_stack+0x2c/0x3c [ 81.231432][ T5087] __dump_stack+0x30/0x40 [ 81.232145][ T5087] dump_stack_lvl+0xf4/0x15c [ 81.232864][ T5087] dump_stack+0x1c/0x5c [ 81.233512][ T5087] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 81.234352][ T5087] dccp_xmit_packet+0x298/0x448 [ 81.235145][ T5087] dccp_write_xmit+0x118/0x1d0 [ 81.235870][ T5087] dccp_sendmsg+0x550/0x8b8 [ 81.236545][ T5087] inet_sendmsg+0x154/0x284 [ 81.237208][ T5087] __sys_sendto+0x30c/0x420 [ 81.237923][ T5087] __arm64_sys_sendto+0xd8/0xf8 [ 81.238659][ T5087] invoke_syscall+0x98/0x2b0 [ 81.239321][ T5087] el0_svc_common+0x138/0x258 [ 81.240009][ T5087] do_el0_svc+0x58/0x13c [ 81.240652][ T5087] el0_svc+0x78/0x1d0 [ 81.241258][ T5087] el0t_64_sync_handler+0xcc/0xe4 [ 81.242032][ T5087] el0t_64_sync+0x1a0/0x1a4 [ 81.242948][ T5087] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 81.244947][ T5087] CPU: 0 PID: 5087 Comm: syz.0.45 Not tainted syzkaller #0 [ 81.246047][ T5087] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.247466][ T5087] Call trace: [ 81.247879][ T5087] dump_backtrace+0x0/0x458 [ 81.248512][ T5087] show_stack+0x2c/0x3c [ 81.249111][ T5087] __dump_stack+0x30/0x40 [ 81.249728][ T5087] dump_stack_lvl+0xf4/0x15c [ 81.250370][ T5087] dump_stack+0x1c/0x5c [ 81.250926][ T5087] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 81.251640][ T5087] dccp_xmit_packet+0x298/0x448 [ 81.252306][ T5087] dccp_write_xmit+0x118/0x1d0 [ 81.252979][ T5087] dccp_sendmsg+0x550/0x8b8 [ 81.253561][ T5087] inet_sendmsg+0x154/0x284 [ 81.254276][ T5087] __sys_sendto+0x30c/0x420 [ 81.254932][ T5087] __arm64_sys_sendto+0xd8/0xf8 [ 81.255682][ T5087] invoke_syscall+0x98/0x2b0 [ 81.256363][ T5087] el0_svc_common+0x138/0x258 [ 81.257040][ T5087] do_el0_svc+0x58/0x13c [ 81.257703][ T5087] el0_svc+0x78/0x1d0 [ 81.258301][ T5087] el0t_64_sync_handler+0xcc/0xe4 [ 81.259123][ T5087] el0t_64_sync+0x1a0/0x1a4 [ 81.270152][ T5089] dccp_xmit_packet: Payload too large (65475) for featneg. [ 81.277075][ T5089] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 81.278826][ T5089] CPU: 1 PID: 5089 Comm: syz.0.46 Not tainted syzkaller #0 [ 81.279897][ T5089] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.281420][ T5089] Call trace: [ 81.281919][ T5089] dump_backtrace+0x0/0x458 [ 81.282614][ T5089] show_stack+0x2c/0x3c [ 81.283270][ T5089] __dump_stack+0x30/0x40 [ 81.283908][ T5089] dump_stack_lvl+0xf4/0x15c [ 81.284602][ T5089] dump_stack+0x1c/0x5c [ 81.285239][ T5089] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 81.286043][ T5089] dccp_xmit_packet+0x298/0x448 [ 81.286749][ T5089] dccp_write_xmit+0x118/0x1d0 [ 81.287472][ T5089] dccp_sendmsg+0x550/0x8b8 [ 81.288183][ T5089] inet_sendmsg+0x154/0x284 [ 81.288870][ T5089] __sys_sendto+0x30c/0x420 [ 81.289564][ T5089] __arm64_sys_sendto+0xd8/0xf8 [ 81.290328][ T5089] invoke_syscall+0x98/0x2b0 [ 81.291019][ T5089] el0_svc_common+0x138/0x258 [ 81.291707][ T5089] do_el0_svc+0x58/0x13c [ 81.292337][ T5089] el0_svc+0x78/0x1d0 [ 81.292945][ T5089] el0t_64_sync_handler+0xcc/0xe4 [ 81.293671][ T5089] el0t_64_sync+0x1a0/0x1a4 [ 81.294524][ T5089] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 81.296187][ T5089] CPU: 1 PID: 5089 Comm: syz.0.46 Not tainted syzkaller #0 [ 81.297346][ T5089] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.298914][ T5089] Call trace: [ 81.299420][ T5089] dump_backtrace+0x0/0x458 [ 81.300154][ T5089] show_stack+0x2c/0x3c [ 81.300779][ T5089] __dump_stack+0x30/0x40 [ 81.301439][ T5089] dump_stack_lvl+0xf4/0x15c [ 81.302150][ T5089] dump_stack+0x1c/0x5c [ 81.302859][ T5089] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 81.303682][ T5089] dccp_xmit_packet+0x298/0x448 [ 81.304405][ T5089] dccp_write_xmit+0x118/0x1d0 [ 81.305121][ T5089] dccp_sendmsg+0x550/0x8b8 [ 81.305777][ T5089] inet_sendmsg+0x154/0x284 [ 81.306473][ T5089] __sys_sendto+0x30c/0x420 [ 81.307168][ T5089] __arm64_sys_sendto+0xd8/0xf8 [ 81.307917][ T5089] invoke_syscall+0x98/0x2b0 [ 81.308603][ T5089] el0_svc_common+0x138/0x258 [ 81.309276][ T5089] do_el0_svc+0x58/0x13c [ 81.309942][ T5089] el0_svc+0x78/0x1d0 [ 81.310626][ T5089] el0t_64_sync_handler+0xcc/0xe4 [ 81.311456][ T5089] el0t_64_sync+0x1a0/0x1a4 [ 81.313268][ T5089] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 81.315417][ T5089] CPU: 1 PID: 5089 Comm: syz.0.46 Not tainted syzkaller #0 [ 81.316479][ T5089] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.317910][ T5089] Call trace: [ 81.318400][ T5089] dump_backtrace+0x0/0x458 [ 81.319079][ T5089] show_stack+0x2c/0x3c [ 81.319672][ T5089] __dump_stack+0x30/0x40 [ 81.320274][ T5089] dump_stack_lvl+0xf4/0x15c [ 81.320923][ T5089] dump_stack+0x1c/0x5c [ 81.321505][ T5089] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 81.322293][ T5089] dccp_xmit_packet+0x298/0x448 [ 81.322970][ T5089] dccp_write_xmit+0x118/0x1d0 [ 81.323653][ T5089] dccp_sendmsg+0x550/0x8b8 [ 81.324318][ T5089] inet_sendmsg+0x154/0x284 [ 81.325019][ T5089] __sys_sendto+0x30c/0x420 [ 81.325717][ T5089] __arm64_sys_sendto+0xd8/0xf8 [ 81.326472][ T5089] invoke_syscall+0x98/0x2b0 [ 81.327159][ T5089] el0_svc_common+0x138/0x258 [ 81.327858][ T5089] do_el0_svc+0x58/0x13c [ 81.328500][ T5089] el0_svc+0x78/0x1d0 [ 81.329085][ T5089] el0t_64_sync_handler+0xcc/0xe4 [ 81.329912][ T5089] el0t_64_sync+0x1a0/0x1a4 [ 81.330972][ T5089] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 81.332796][ T5089] CPU: 1 PID: 5089 Comm: syz.0.46 Not tainted syzkaller #0 [ 81.333880][ T5089] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.335498][ T5089] Call trace: [ 81.336002][ T5089] dump_backtrace+0x0/0x458 [ 81.336710][ T5089] show_stack+0x2c/0x3c [ 81.337317][ T5089] __dump_stack+0x30/0x40 [ 81.337995][ T5089] dump_stack_lvl+0xf4/0x15c [ 81.338682][ T5089] dump_stack+0x1c/0x5c [ 81.339366][ T5089] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 81.340147][ T5089] dccp_xmit_packet+0x298/0x448 [ 81.340887][ T5089] dccp_write_xmit+0x118/0x1d0 [ 81.341596][ T5089] dccp_sendmsg+0x550/0x8b8 [ 81.342247][ T5089] inet_sendmsg+0x154/0x284 [ 81.342953][ T5089] __sys_sendto+0x30c/0x420 [ 81.343583][ T5089] __arm64_sys_sendto+0xd8/0xf8 [ 81.344311][ T5089] invoke_syscall+0x98/0x2b0 [ 81.345024][ T5089] el0_svc_common+0x138/0x258 [ 81.345729][ T5089] do_el0_svc+0x58/0x13c [ 81.346383][ T5089] el0_svc+0x78/0x1d0 [ 81.346984][ T5089] el0t_64_sync_handler+0xcc/0xe4 [ 81.347762][ T5089] el0t_64_sync+0x1a0/0x1a4 [ 81.348624][ T5089] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 81.350127][ T5089] CPU: 1 PID: 5089 Comm: syz.0.46 Not tainted syzkaller #0 [ 81.351115][ T5089] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.352546][ T5089] Call trace: [ 81.353030][ T5089] dump_backtrace+0x0/0x458 [ 81.353681][ T5089] show_stack+0x2c/0x3c [ 81.354354][ T5089] __dump_stack+0x30/0x40 [ 81.354998][ T5089] dump_stack_lvl+0xf4/0x15c [ 81.355648][ T5089] dump_stack+0x1c/0x5c [ 81.356358][ T5089] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 81.357161][ T5089] dccp_xmit_packet+0x298/0x448 [ 81.357890][ T5089] dccp_write_xmit+0x118/0x1d0 [ 81.358590][ T5089] dccp_sendmsg+0x550/0x8b8 [ 81.359189][ T5089] inet_sendmsg+0x154/0x284 [ 81.359867][ T5089] __sys_sendto+0x30c/0x420 [ 81.360528][ T5089] __arm64_sys_sendto+0xd8/0xf8 [ 81.361226][ T5089] invoke_syscall+0x98/0x2b0 [ 81.361871][ T5089] el0_svc_common+0x138/0x258 [ 81.362574][ T5089] do_el0_svc+0x58/0x13c [ 81.363168][ T5089] el0_svc+0x78/0x1d0 [ 81.363746][ T5089] el0t_64_sync_handler+0xcc/0xe4 [ 81.364513][ T5089] el0t_64_sync+0x1a0/0x1a4 [ 81.365289][ T5089] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 81.366808][ T5089] CPU: 1 PID: 5089 Comm: syz.0.46 Not tainted syzkaller #0 [ 81.367821][ T5089] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.369257][ T5089] Call trace: [ 81.369767][ T5089] dump_backtrace+0x0/0x458 [ 81.370446][ T5089] show_stack+0x2c/0x3c [ 81.371048][ T5089] __dump_stack+0x30/0x40 [ 81.371656][ T5089] dump_stack_lvl+0xf4/0x15c [ 81.372299][ T5089] dump_stack+0x1c/0x5c [ 81.372849][ T5089] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 81.373646][ T5089] dccp_xmit_packet+0x298/0x448 [ 81.374340][ T5089] dccp_write_xmit+0x118/0x1d0 [ 81.375094][ T5089] dccp_sendmsg+0x550/0x8b8 [ 81.375765][ T5089] inet_sendmsg+0x154/0x284 [ 81.376389][ T5089] __sys_sendto+0x30c/0x420 [ 81.377052][ T5089] __arm64_sys_sendto+0xd8/0xf8 [ 81.377762][ T5089] invoke_syscall+0x98/0x2b0 [ 81.378431][ T5089] el0_svc_common+0x138/0x258 [ 81.379133][ T5089] do_el0_svc+0x58/0x13c [ 81.379744][ T5089] el0_svc+0x78/0x1d0 [ 81.380375][ T5089] el0t_64_sync_handler+0xcc/0xe4 [ 81.381138][ T5089] el0t_64_sync+0x1a0/0x1a4 [ 81.381877][ T5089] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 81.383416][ T5089] CPU: 1 PID: 5089 Comm: syz.0.46 Not tainted syzkaller #0 [ 81.384511][ T5089] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.385948][ T5089] Call trace: [ 81.386375][ T5089] dump_backtrace+0x0/0x458 [ 81.387054][ T5089] show_stack+0x2c/0x3c [ 81.387634][ T5089] __dump_stack+0x30/0x40 [ 81.388277][ T5089] dump_stack_lvl+0xf4/0x15c [ 81.388925][ T5089] dump_stack+0x1c/0x5c [ 81.389573][ T5089] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 81.390381][ T5089] dccp_xmit_packet+0x298/0x448 [ 81.391116][ T5089] dccp_write_xmit+0x118/0x1d0 [ 81.391829][ T5089] dccp_sendmsg+0x550/0x8b8 [ 81.392442][ T5089] inet_sendmsg+0x154/0x284 [ 81.393125][ T5089] __sys_sendto+0x30c/0x420 [ 81.393778][ T5089] __arm64_sys_sendto+0xd8/0xf8 [ 81.394472][ T5089] invoke_syscall+0x98/0x2b0 [ 81.395150][ T5089] el0_svc_common+0x138/0x258 [ 81.395847][ T5089] do_el0_svc+0x58/0x13c [ 81.396442][ T5089] el0_svc+0x78/0x1d0 [ 81.397028][ T5089] el0t_64_sync_handler+0xcc/0xe4 [ 81.397767][ T5089] el0t_64_sync+0x1a0/0x1a4 [ 81.398776][ T5089] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 81.400471][ T5089] CPU: 1 PID: 5089 Comm: syz.0.46 Not tainted syzkaller #0 [ 81.401463][ T5089] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.402907][ T5089] Call trace: [ 81.403351][ T5089] dump_backtrace+0x0/0x458 [ 81.404006][ T5089] show_stack+0x2c/0x3c [ 81.404641][ T5089] __dump_stack+0x30/0x40 [ 81.405307][ T5089] dump_stack_lvl+0xf4/0x15c [ 81.406012][ T5089] dump_stack+0x1c/0x5c [ 81.406604][ T5089] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 81.407516][ T5089] dccp_xmit_packet+0x298/0x448 [ 81.408245][ T5089] dccp_write_xmit+0x118/0x1d0 [ 81.408954][ T5089] dccp_sendmsg+0x550/0x8b8 [ 81.409599][ T5089] inet_sendmsg+0x154/0x284 [ 81.410271][ T5089] __sys_sendto+0x30c/0x420 [ 81.410960][ T5089] __arm64_sys_sendto+0xd8/0xf8 [ 81.411671][ T5089] invoke_syscall+0x98/0x2b0 [ 81.412411][ T5089] el0_svc_common+0x138/0x258 [ 81.413081][ T5089] do_el0_svc+0x58/0x13c [ 81.413738][ T5089] el0_svc+0x78/0x1d0 [ 81.414336][ T5089] el0t_64_sync_handler+0xcc/0xe4 [ 81.415048][ T5089] el0t_64_sync+0x1a0/0x1a4 [ 81.415908][ T5089] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 81.417428][ T5089] CPU: 1 PID: 5089 Comm: syz.0.46 Not tainted syzkaller #0 [ 81.418437][ T5089] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.419775][ T5089] Call trace: [ 81.420230][ T5089] dump_backtrace+0x0/0x458 [ 81.420833][ T5089] show_stack+0x2c/0x3c [ 81.421426][ T5089] __dump_stack+0x30/0x40 [ 81.422085][ T5089] dump_stack_lvl+0xf4/0x15c [ 81.422745][ T5089] dump_stack+0x1c/0x5c [ 81.423349][ T5089] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 81.424252][ T5089] dccp_xmit_packet+0x298/0x448 [ 81.425000][ T5089] dccp_write_xmit+0x118/0x1d0 [ 81.425787][ T5089] dccp_sendmsg+0x550/0x8b8 [ 81.426533][ T5089] inet_sendmsg+0x154/0x284 [ 81.427317][ T5089] __sys_sendto+0x30c/0x420 [ 81.428038][ T5089] __arm64_sys_sendto+0xd8/0xf8 [ 81.428840][ T5089] invoke_syscall+0x98/0x2b0 [ 81.429606][ T5089] el0_svc_common+0x138/0x258 [ 81.430347][ T5089] do_el0_svc+0x58/0x13c [ 81.431009][ T5089] el0_svc+0x78/0x1d0 [ 81.431619][ T5089] el0t_64_sync_handler+0xcc/0xe4 [ 81.432386][ T5089] el0t_64_sync+0x1a0/0x1a4 [ 81.433413][ T5089] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 81.435207][ T5089] CPU: 1 PID: 5089 Comm: syz.0.46 Not tainted syzkaller #0 [ 81.436335][ T5089] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.437962][ T5089] Call trace: [ 81.438466][ T5089] dump_backtrace+0x0/0x458 [ 81.439175][ T5089] show_stack+0x2c/0x3c [ 81.439825][ T5089] __dump_stack+0x30/0x40 [ 81.440466][ T5089] dump_stack_lvl+0xf4/0x15c [ 81.441109][ T5089] dump_stack+0x1c/0x5c [ 81.441720][ T5089] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 81.442542][ T5089] dccp_xmit_packet+0x298/0x448 [ 81.443274][ T5089] dccp_write_xmit+0x118/0x1d0 [ 81.443972][ T5089] dccp_sendmsg+0x550/0x8b8 [ 81.444657][ T5089] inet_sendmsg+0x154/0x284 [ 81.445298][ T5089] __sys_sendto+0x30c/0x420 [ 81.446026][ T5089] __arm64_sys_sendto+0xd8/0xf8 [ 81.446760][ T5089] invoke_syscall+0x98/0x2b0 [ 81.447496][ T5089] el0_svc_common+0x138/0x258 [ 81.448176][ T5089] do_el0_svc+0x58/0x13c [ 81.448834][ T5089] el0_svc+0x78/0x1d0 [ 81.449426][ T5089] el0t_64_sync_handler+0xcc/0xe4 [ 81.450152][ T5089] el0t_64_sync+0x1a0/0x1a4 [ 81.450955][ T5089] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 81.452587][ T5089] CPU: 1 PID: 5089 Comm: syz.0.46 Not tainted syzkaller #0 [ 81.453700][ T5089] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.455216][ T5089] Call trace: [ 81.455721][ T5089] dump_backtrace+0x0/0x458 [ 81.456453][ T5089] show_stack+0x2c/0x3c [ 81.457121][ T5089] __dump_stack+0x30/0x40 [ 81.457792][ T5089] dump_stack_lvl+0xf4/0x15c [ 81.458499][ T5089] dump_stack+0x1c/0x5c [ 81.459102][ T5089] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 81.459930][ T5089] dccp_xmit_packet+0x298/0x448 [ 81.460660][ T5089] dccp_write_xmit+0x118/0x1d0 [ 81.461355][ T5089] dccp_sendmsg+0x550/0x8b8 [ 81.462125][ T5089] inet_sendmsg+0x154/0x284 [ 81.462818][ T5089] __sys_sendto+0x30c/0x420 [ 81.463473][ T5089] __arm64_sys_sendto+0xd8/0xf8 [ 81.464172][ T5089] invoke_syscall+0x98/0x2b0 [ 81.464831][ T5089] el0_svc_common+0x138/0x258 [ 81.465510][ T5089] do_el0_svc+0x58/0x13c [ 81.466140][ T5089] el0_svc+0x78/0x1d0 [ 81.466762][ T5089] el0t_64_sync_handler+0xcc/0xe4 [ 81.467519][ T5089] el0t_64_sync+0x1a0/0x1a4 [ 81.468397][ T5089] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 81.470026][ T5089] CPU: 1 PID: 5089 Comm: syz.0.46 Not tainted syzkaller #0 [ 81.471121][ T5089] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.472548][ T5089] Call trace: [ 81.473018][ T5089] dump_backtrace+0x0/0x458 [ 81.473652][ T5089] show_stack+0x2c/0x3c [ 81.474290][ T5089] __dump_stack+0x30/0x40 [ 81.474973][ T5089] dump_stack_lvl+0xf4/0x15c [ 81.475660][ T5089] dump_stack+0x1c/0x5c [ 81.476293][ T5089] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 81.477118][ T5089] dccp_xmit_packet+0x298/0x448 [ 81.477842][ T5089] dccp_write_xmit+0x118/0x1d0 [ 81.478552][ T5089] dccp_sendmsg+0x550/0x8b8 [ 81.479235][ T5089] inet_sendmsg+0x154/0x284 [ 81.479897][ T5089] __sys_sendto+0x30c/0x420 [ 81.480566][ T5089] __arm64_sys_sendto+0xd8/0xf8 [ 81.481202][ T5089] invoke_syscall+0x98/0x2b0 [ 81.481865][ T5089] el0_svc_common+0x138/0x258 [ 81.482556][ T5089] do_el0_svc+0x58/0x13c [ 81.483167][ T5089] el0_svc+0x78/0x1d0 [ 81.483726][ T5089] el0t_64_sync_handler+0xcc/0xe4 [ 81.484465][ T5089] el0t_64_sync+0x1a0/0x1a4 [ 81.485894][ T5089] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 81.487471][ T5089] CPU: 1 PID: 5089 Comm: syz.0.46 Not tainted syzkaller #0 [ 81.488536][ T5089] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.490103][ T5089] Call trace: [ 81.490589][ T5089] dump_backtrace+0x0/0x458 [ 81.491221][ T5089] show_stack+0x2c/0x3c [ 81.491791][ T5089] __dump_stack+0x30/0x40 [ 81.492389][ T5089] dump_stack_lvl+0xf4/0x15c [ 81.493109][ T5089] dump_stack+0x1c/0x5c [ 81.493776][ T5089] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 81.494528][ T5089] dccp_xmit_packet+0x298/0x448 [ 81.495192][ T5089] dccp_write_xmit+0x118/0x1d0 [ 81.495959][ T5089] dccp_sendmsg+0x550/0x8b8 [ 81.496644][ T5089] inet_sendmsg+0x154/0x284 [ 81.497297][ T5089] __sys_sendto+0x30c/0x420 [ 81.497907][ T5089] __arm64_sys_sendto+0xd8/0xf8 [ 81.498642][ T5089] invoke_syscall+0x98/0x2b0 [ 81.499292][ T5089] el0_svc_common+0x138/0x258 [ 81.499947][ T5089] do_el0_svc+0x58/0x13c [ 81.500524][ T5089] el0_svc+0x78/0x1d0 [ 81.501086][ T5089] el0t_64_sync_handler+0xcc/0xe4 [ 81.501832][ T5089] el0t_64_sync+0x1a0/0x1a4 [ 81.512391][ T5091] dccp_xmit_packet: Payload too large (65475) for featneg. [ 81.519793][ T5091] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 81.521597][ T5091] CPU: 1 PID: 5091 Comm: syz.0.47 Not tainted syzkaller #0 [ 81.522757][ T5091] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.524425][ T5091] Call trace: [ 81.524938][ T5091] dump_backtrace+0x0/0x458 [ 81.525667][ T5091] show_stack+0x2c/0x3c [ 81.526343][ T5091] __dump_stack+0x30/0x40 [ 81.527081][ T5091] dump_stack_lvl+0xf4/0x15c [ 81.527809][ T5091] dump_stack+0x1c/0x5c [ 81.528476][ T5091] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 81.529355][ T5091] dccp_xmit_packet+0x298/0x448 [ 81.530162][ T5091] dccp_write_xmit+0x118/0x1d0 [ 81.530925][ T5091] dccp_sendmsg+0x550/0x8b8 [ 81.531602][ T5091] inet_sendmsg+0x154/0x284 [ 81.532274][ T5091] __sys_sendto+0x30c/0x420 [ 81.532917][ T5091] __arm64_sys_sendto+0xd8/0xf8 [ 81.533642][ T5091] invoke_syscall+0x98/0x2b0 [ 81.534327][ T5091] el0_svc_common+0x138/0x258 [ 81.534997][ T5091] do_el0_svc+0x58/0x13c [ 81.535622][ T5091] el0_svc+0x78/0x1d0 [ 81.536212][ T5091] el0t_64_sync_handler+0xcc/0xe4 [ 81.536965][ T5091] el0t_64_sync+0x1a0/0x1a4 [ 81.538161][ T5091] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 81.539896][ T5091] CPU: 1 PID: 5091 Comm: syz.0.47 Not tainted syzkaller #0 [ 81.541003][ T5091] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.542491][ T5091] Call trace: [ 81.542978][ T5091] dump_backtrace+0x0/0x458 [ 81.543649][ T5091] show_stack+0x2c/0x3c [ 81.544241][ T5091] __dump_stack+0x30/0x40 [ 81.544939][ T5091] dump_stack_lvl+0xf4/0x15c [ 81.545652][ T5091] dump_stack+0x1c/0x5c [ 81.546273][ T5091] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 81.547061][ T5091] dccp_xmit_packet+0x298/0x448 [ 81.547807][ T5091] dccp_write_xmit+0x118/0x1d0 [ 81.548534][ T5091] dccp_sendmsg+0x550/0x8b8 [ 81.549179][ T5091] inet_sendmsg+0x154/0x284 [ 81.549921][ T5091] __sys_sendto+0x30c/0x420 [ 81.550588][ T5091] __arm64_sys_sendto+0xd8/0xf8 [ 81.551344][ T5091] invoke_syscall+0x98/0x2b0 [ 81.552049][ T5091] el0_svc_common+0x138/0x258 [ 81.552792][ T5091] do_el0_svc+0x58/0x13c [ 81.553500][ T5091] el0_svc+0x78/0x1d0 [ 81.554206][ T5091] el0t_64_sync_handler+0xcc/0xe4 [ 81.555047][ T5091] el0t_64_sync+0x1a0/0x1a4 [ 81.556977][ T5091] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 81.558731][ T5091] CPU: 1 PID: 5091 Comm: syz.0.47 Not tainted syzkaller #0 [ 81.559855][ T5091] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.561442][ T5091] Call trace: [ 81.561955][ T5091] dump_backtrace+0x0/0x458 [ 81.562628][ T5091] show_stack+0x2c/0x3c [ 81.563232][ T5091] __dump_stack+0x30/0x40 [ 81.563883][ T5091] dump_stack_lvl+0xf4/0x15c [ 81.564602][ T5091] dump_stack+0x1c/0x5c [ 81.565275][ T5091] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 81.566109][ T5091] dccp_xmit_packet+0x298/0x448 [ 81.566844][ T5091] dccp_write_xmit+0x118/0x1d0 [ 81.567588][ T5091] dccp_sendmsg+0x550/0x8b8 [ 81.568288][ T5091] inet_sendmsg+0x154/0x284 [ 81.568973][ T5091] __sys_sendto+0x30c/0x420 [ 81.569631][ T5091] __arm64_sys_sendto+0xd8/0xf8 [ 81.570388][ T5091] invoke_syscall+0x98/0x2b0 [ 81.571112][ T5091] el0_svc_common+0x138/0x258 [ 81.571778][ T5091] do_el0_svc+0x58/0x13c [ 81.572397][ T5091] el0_svc+0x78/0x1d0 [ 81.572975][ T5091] el0t_64_sync_handler+0xcc/0xe4 [ 81.573708][ T5091] el0t_64_sync+0x1a0/0x1a4 [ 81.574980][ T5091] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 81.576687][ T5091] CPU: 1 PID: 5091 Comm: syz.0.47 Not tainted syzkaller #0 [ 81.577722][ T5091] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.579244][ T5091] Call trace: [ 81.579696][ T5091] dump_backtrace+0x0/0x458 [ 81.580367][ T5091] show_stack+0x2c/0x3c [ 81.580989][ T5091] __dump_stack+0x30/0x40 [ 81.581573][ T5091] dump_stack_lvl+0xf4/0x15c [ 81.582238][ T5091] dump_stack+0x1c/0x5c [ 81.582812][ T5091] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 81.583597][ T5091] dccp_xmit_packet+0x298/0x448 [ 81.584297][ T5091] dccp_write_xmit+0x118/0x1d0 [ 81.584946][ T5091] dccp_sendmsg+0x550/0x8b8 [ 81.585592][ T5091] inet_sendmsg+0x154/0x284 [ 81.586292][ T5091] __sys_sendto+0x30c/0x420 [ 81.586970][ T5091] __arm64_sys_sendto+0xd8/0xf8 [ 81.587693][ T5091] invoke_syscall+0x98/0x2b0 [ 81.588340][ T5091] el0_svc_common+0x138/0x258 [ 81.589021][ T5091] do_el0_svc+0x58/0x13c [ 81.589660][ T5091] el0_svc+0x78/0x1d0 [ 81.590230][ T5091] el0t_64_sync_handler+0xcc/0xe4 [ 81.590898][ T5091] el0t_64_sync+0x1a0/0x1a4 [ 81.591782][ T5091] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 81.593589][ T5091] CPU: 1 PID: 5091 Comm: syz.0.47 Not tainted syzkaller #0 [ 81.594760][ T5091] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.596378][ T5091] Call trace: [ 81.596879][ T5091] dump_backtrace+0x0/0x458 [ 81.597551][ T5091] show_stack+0x2c/0x3c [ 81.598190][ T5091] __dump_stack+0x30/0x40 [ 81.598865][ T5091] dump_stack_lvl+0xf4/0x15c [ 81.599573][ T5091] dump_stack+0x1c/0x5c [ 81.600250][ T5091] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 81.601066][ T5091] dccp_xmit_packet+0x298/0x448 [ 81.601754][ T5091] dccp_write_xmit+0x118/0x1d0 [ 81.602482][ T5091] dccp_sendmsg+0x550/0x8b8 [ 81.603154][ T5091] inet_sendmsg+0x154/0x284 [ 81.603859][ T5091] __sys_sendto+0x30c/0x420 [ 81.604499][ T5091] __arm64_sys_sendto+0xd8/0xf8 [ 81.605259][ T5091] invoke_syscall+0x98/0x2b0 [ 81.605942][ T5091] el0_svc_common+0x138/0x258 [ 81.606644][ T5091] do_el0_svc+0x58/0x13c [ 81.607305][ T5091] el0_svc+0x78/0x1d0 [ 81.607916][ T5091] el0t_64_sync_handler+0xcc/0xe4 [ 81.608716][ T5091] el0t_64_sync+0x1a0/0x1a4 [ 81.609635][ T5091] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 81.611288][ T5091] CPU: 1 PID: 5091 Comm: syz.0.47 Not tainted syzkaller #0 [ 81.612376][ T5091] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.613771][ T5091] Call trace: [ 81.614234][ T5091] dump_backtrace+0x0/0x458 [ 81.614894][ T5091] show_stack+0x2c/0x3c [ 81.615531][ T5091] __dump_stack+0x30/0x40 [ 81.616167][ T5091] dump_stack_lvl+0xf4/0x15c [ 81.616835][ T5091] dump_stack+0x1c/0x5c [ 81.617454][ T5091] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 81.618255][ T5091] dccp_xmit_packet+0x298/0x448 [ 81.619002][ T5091] dccp_write_xmit+0x118/0x1d0 [ 81.619696][ T5091] dccp_sendmsg+0x550/0x8b8 [ 81.620394][ T5091] inet_sendmsg+0x154/0x284 [ 81.621090][ T5091] __sys_sendto+0x30c/0x420 [ 81.621752][ T5091] __arm64_sys_sendto+0xd8/0xf8 [ 81.622490][ T5091] invoke_syscall+0x98/0x2b0 [ 81.623227][ T5091] el0_svc_common+0x138/0x258 [ 81.623890][ T5091] do_el0_svc+0x58/0x13c [ 81.624519][ T5091] el0_svc+0x78/0x1d0 [ 81.625170][ T5091] el0t_64_sync_handler+0xcc/0xe4 [ 81.625975][ T5091] el0t_64_sync+0x1a0/0x1a4 [ 81.626873][ T5091] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 81.628688][ T5091] CPU: 1 PID: 5091 Comm: syz.0.47 Not tainted syzkaller #0 [ 81.629735][ T5091] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.631242][ T5091] Call trace: [ 81.631697][ T5091] dump_backtrace+0x0/0x458 [ 81.632358][ T5091] show_stack+0x2c/0x3c [ 81.632985][ T5091] __dump_stack+0x30/0x40 [ 81.633625][ T5091] dump_stack_lvl+0xf4/0x15c [ 81.634354][ T5091] dump_stack+0x1c/0x5c [ 81.634940][ T5091] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 81.635817][ T5091] dccp_xmit_packet+0x298/0x448 [ 81.636553][ T5091] dccp_write_xmit+0x118/0x1d0 [ 81.637291][ T5091] dccp_sendmsg+0x550/0x8b8 [ 81.637983][ T5091] inet_sendmsg+0x154/0x284 [ 81.638717][ T5091] __sys_sendto+0x30c/0x420 [ 81.639399][ T5091] __arm64_sys_sendto+0xd8/0xf8 [ 81.640234][ T5091] invoke_syscall+0x98/0x2b0 [ 81.640935][ T5091] el0_svc_common+0x138/0x258 [ 81.641628][ T5091] do_el0_svc+0x58/0x13c [ 81.642237][ T5091] el0_svc+0x78/0x1d0 [ 81.642869][ T5091] el0t_64_sync_handler+0xcc/0xe4 [ 81.643628][ T5091] el0t_64_sync+0x1a0/0x1a4 [ 81.644759][ T5091] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 81.646392][ T5091] CPU: 1 PID: 5091 Comm: syz.0.47 Not tainted syzkaller #0 [ 81.647451][ T5091] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.649046][ T5091] Call trace: [ 81.649545][ T5091] dump_backtrace+0x0/0x458 [ 81.650182][ T5091] show_stack+0x2c/0x3c [ 81.650887][ T5091] __dump_stack+0x30/0x40 [ 81.651540][ T5091] dump_stack_lvl+0xf4/0x15c [ 81.652228][ T5091] dump_stack+0x1c/0x5c [ 81.652854][ T5091] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 81.653646][ T5091] dccp_xmit_packet+0x298/0x448 [ 81.654431][ T5091] dccp_write_xmit+0x118/0x1d0 [ 81.655155][ T5091] dccp_sendmsg+0x550/0x8b8 [ 81.655831][ T5091] inet_sendmsg+0x154/0x284 [ 81.656518][ T5091] __sys_sendto+0x30c/0x420 [ 81.657205][ T5091] __arm64_sys_sendto+0xd8/0xf8 [ 81.657934][ T5091] invoke_syscall+0x98/0x2b0 [ 81.658627][ T5091] el0_svc_common+0x138/0x258 [ 81.659341][ T5091] do_el0_svc+0x58/0x13c [ 81.660013][ T5091] el0_svc+0x78/0x1d0 [ 81.660601][ T5091] el0t_64_sync_handler+0xcc/0xe4 [ 81.661332][ T5091] el0t_64_sync+0x1a0/0x1a4 [ 81.662319][ T5091] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 81.663906][ T5091] CPU: 1 PID: 5091 Comm: syz.0.47 Not tainted syzkaller #0 [ 81.665036][ T5091] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.666531][ T5091] Call trace: [ 81.666996][ T5091] dump_backtrace+0x0/0x458 [ 81.667675][ T5091] show_stack+0x2c/0x3c [ 81.668333][ T5091] __dump_stack+0x30/0x40 [ 81.668966][ T5091] dump_stack_lvl+0xf4/0x15c [ 81.669643][ T5091] dump_stack+0x1c/0x5c [ 81.670272][ T5091] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 81.671099][ T5091] dccp_xmit_packet+0x298/0x448 [ 81.671820][ T5091] dccp_write_xmit+0x118/0x1d0 [ 81.672477][ T5091] dccp_sendmsg+0x550/0x8b8 [ 81.673158][ T5091] inet_sendmsg+0x154/0x284 [ 81.673872][ T5091] __sys_sendto+0x30c/0x420 [ 81.674550][ T5091] __arm64_sys_sendto+0xd8/0xf8 [ 81.675330][ T5091] invoke_syscall+0x98/0x2b0 [ 81.676016][ T5091] el0_svc_common+0x138/0x258 [ 81.676762][ T5091] do_el0_svc+0x58/0x13c [ 81.677372][ T5091] el0_svc+0x78/0x1d0 [ 81.677942][ T5091] el0t_64_sync_handler+0xcc/0xe4 [ 81.678712][ T5091] el0t_64_sync+0x1a0/0x1a4 [ 81.679576][ T5091] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 81.681103][ T5091] CPU: 1 PID: 5091 Comm: syz.0.47 Not tainted syzkaller #0 [ 81.682132][ T5091] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.683625][ T5091] Call trace: [ 81.684076][ T5091] dump_backtrace+0x0/0x458 [ 81.684717][ T5091] show_stack+0x2c/0x3c [ 81.685354][ T5091] __dump_stack+0x30/0x40 [ 81.686042][ T5091] dump_stack_lvl+0xf4/0x15c [ 81.686761][ T5091] dump_stack+0x1c/0x5c [ 81.687377][ T5091] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 81.688140][ T5091] dccp_xmit_packet+0x298/0x448 [ 81.688807][ T5091] dccp_write_xmit+0x118/0x1d0 [ 81.689527][ T5091] dccp_sendmsg+0x550/0x8b8 [ 81.690188][ T5091] inet_sendmsg+0x154/0x284 [ 81.690864][ T5091] __sys_sendto+0x30c/0x420 [ 81.691532][ T5091] __arm64_sys_sendto+0xd8/0xf8 [ 81.692235][ T5091] invoke_syscall+0x98/0x2b0 [ 81.692905][ T5091] el0_svc_common+0x138/0x258 [ 81.693605][ T5091] do_el0_svc+0x58/0x13c [ 81.694265][ T5091] el0_svc+0x78/0x1d0 [ 81.694915][ T5091] el0t_64_sync_handler+0xcc/0xe4 [ 81.695662][ T5091] el0t_64_sync+0x1a0/0x1a4 [ 81.696602][ T5091] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 81.698255][ T5091] CPU: 1 PID: 5091 Comm: syz.0.47 Not tainted syzkaller #0 [ 81.699334][ T5091] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.700837][ T5091] Call trace: [ 81.701289][ T5091] dump_backtrace+0x0/0x458 [ 81.701941][ T5091] show_stack+0x2c/0x3c [ 81.702554][ T5091] __dump_stack+0x30/0x40 [ 81.703151][ T5091] dump_stack_lvl+0xf4/0x15c [ 81.703804][ T5091] dump_stack+0x1c/0x5c [ 81.704387][ T5091] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 81.705138][ T5091] dccp_xmit_packet+0x298/0x448 [ 81.705945][ T5091] dccp_write_xmit+0x118/0x1d0 [ 81.706688][ T5091] dccp_sendmsg+0x550/0x8b8 [ 81.707304][ T5091] inet_sendmsg+0x154/0x284 [ 81.707906][ T5091] __sys_sendto+0x30c/0x420 [ 81.708594][ T5091] __arm64_sys_sendto+0xd8/0xf8 [ 81.709318][ T5091] invoke_syscall+0x98/0x2b0 [ 81.710025][ T5091] el0_svc_common+0x138/0x258 [ 81.710670][ T5091] do_el0_svc+0x58/0x13c [ 81.711231][ T5091] el0_svc+0x78/0x1d0 [ 81.711822][ T5091] el0t_64_sync_handler+0xcc/0xe4 [ 81.712546][ T5091] el0t_64_sync+0x1a0/0x1a4 [ 81.713460][ T5091] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 81.715127][ T5091] CPU: 1 PID: 5091 Comm: syz.0.47 Not tainted syzkaller #0 [ 81.716179][ T5091] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.717531][ T5091] Call trace: [ 81.718004][ T5091] dump_backtrace+0x0/0x458 [ 81.718621][ T5091] show_stack+0x2c/0x3c [ 81.719248][ T5091] __dump_stack+0x30/0x40 [ 81.719865][ T5091] dump_stack_lvl+0xf4/0x15c [ 81.720537][ T5091] dump_stack+0x1c/0x5c [ 81.721112][ T5091] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 81.721920][ T5091] dccp_xmit_packet+0x298/0x448 [ 81.722659][ T5091] dccp_write_xmit+0x118/0x1d0 [ 81.723334][ T5091] dccp_sendmsg+0x550/0x8b8 [ 81.724027][ T5091] inet_sendmsg+0x154/0x284 [ 81.724705][ T5091] __sys_sendto+0x30c/0x420 [ 81.725385][ T5091] __arm64_sys_sendto+0xd8/0xf8 [ 81.726151][ T5091] invoke_syscall+0x98/0x2b0 [ 81.726800][ T5091] el0_svc_common+0x138/0x258 [ 81.727472][ T5091] do_el0_svc+0x58/0x13c [ 81.728092][ T5091] el0_svc+0x78/0x1d0 [ 81.728694][ T5091] el0t_64_sync_handler+0xcc/0xe4 [ 81.729408][ T5091] el0t_64_sync+0x1a0/0x1a4 [ 81.730279][ T5091] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 81.731852][ T5091] CPU: 1 PID: 5091 Comm: syz.0.47 Not tainted syzkaller #0 [ 81.732891][ T5091] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.734341][ T5091] Call trace: [ 81.734774][ T5091] dump_backtrace+0x0/0x458 [ 81.735434][ T5091] show_stack+0x2c/0x3c [ 81.736057][ T5091] __dump_stack+0x30/0x40 [ 81.736755][ T5091] dump_stack_lvl+0xf4/0x15c [ 81.737456][ T5091] dump_stack+0x1c/0x5c [ 81.738075][ T5091] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 81.738868][ T5091] dccp_xmit_packet+0x298/0x448 [ 81.739563][ T5091] dccp_write_xmit+0x118/0x1d0 [ 81.740315][ T5091] dccp_sendmsg+0x550/0x8b8 [ 81.740928][ T5091] inet_sendmsg+0x154/0x284 [ 81.741545][ T5091] __sys_sendto+0x30c/0x420 [ 81.742180][ T5091] __arm64_sys_sendto+0xd8/0xf8 [ 81.742844][ T5091] invoke_syscall+0x98/0x2b0 [ 81.743483][ T5091] el0_svc_common+0x138/0x258 [ 81.744132][ T5091] do_el0_svc+0x58/0x13c [ 81.744706][ T5091] el0_svc+0x78/0x1d0 [ 81.745236][ T5091] el0t_64_sync_handler+0xcc/0xe4 [ 81.745910][ T5091] el0t_64_sync+0x1a0/0x1a4 [ 81.746946][ T5091] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 81.748597][ T5091] CPU: 1 PID: 5091 Comm: syz.0.47 Not tainted syzkaller #0 [ 81.749675][ T5091] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.751185][ T5091] Call trace: [ 81.751680][ T5091] dump_backtrace+0x0/0x458 [ 81.752353][ T5091] show_stack+0x2c/0x3c [ 81.752986][ T5091] __dump_stack+0x30/0x40 [ 81.753612][ T5091] dump_stack_lvl+0xf4/0x15c [ 81.754292][ T5091] dump_stack+0x1c/0x5c [ 81.754935][ T5091] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 81.755751][ T5091] dccp_xmit_packet+0x298/0x448 [ 81.756488][ T5091] dccp_write_xmit+0x118/0x1d0 [ 81.757229][ T5091] dccp_sendmsg+0x550/0x8b8 [ 81.757994][ T5091] inet_sendmsg+0x154/0x284 [ 81.758663][ T5091] __sys_sendto+0x30c/0x420 [ 81.759308][ T5091] __arm64_sys_sendto+0xd8/0xf8 [ 81.759988][ T5091] invoke_syscall+0x98/0x2b0 [ 81.760715][ T5091] el0_svc_common+0x138/0x258 [ 81.761422][ T5091] do_el0_svc+0x58/0x13c [ 81.762047][ T5091] el0_svc+0x78/0x1d0 [ 81.762664][ T5091] el0t_64_sync_handler+0xcc/0xe4 [ 81.763372][ T5091] el0t_64_sync+0x1a0/0x1a4 [ 81.764196][ T5091] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 81.765868][ T5091] CPU: 1 PID: 5091 Comm: syz.0.47 Not tainted syzkaller #0 [ 81.766859][ T5091] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.768282][ T5091] Call trace: [ 81.768714][ T5091] dump_backtrace+0x0/0x458 [ 81.769306][ T5091] show_stack+0x2c/0x3c [ 81.769901][ T5091] __dump_stack+0x30/0x40 [ 81.770515][ T5091] dump_stack_lvl+0xf4/0x15c [ 81.771173][ T5091] dump_stack+0x1c/0x5c [ 81.771761][ T5091] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 81.772523][ T5091] dccp_xmit_packet+0x298/0x448 [ 81.773270][ T5091] dccp_write_xmit+0x118/0x1d0 [ 81.773951][ T5091] dccp_sendmsg+0x550/0x8b8 [ 81.774607][ T5091] inet_sendmsg+0x154/0x284 [ 81.775282][ T5091] __sys_sendto+0x30c/0x420 [ 81.775977][ T5091] __arm64_sys_sendto+0xd8/0xf8 [ 81.776756][ T5091] invoke_syscall+0x98/0x2b0 [ 81.777423][ T5091] el0_svc_common+0x138/0x258 [ 81.778176][ T5091] do_el0_svc+0x58/0x13c [ 81.778832][ T5091] el0_svc+0x78/0x1d0 [ 81.779413][ T5091] el0t_64_sync_handler+0xcc/0xe4 [ 81.780182][ T5091] el0t_64_sync+0x1a0/0x1a4 [ 81.781065][ T5091] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 81.782710][ T5091] CPU: 1 PID: 5091 Comm: syz.0.47 Not tainted syzkaller #0 [ 81.783731][ T5091] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.785244][ T5091] Call trace: [ 81.785724][ T5091] dump_backtrace+0x0/0x458 [ 81.786393][ T5091] show_stack+0x2c/0x3c [ 81.787019][ T5091] __dump_stack+0x30/0x40 [ 81.787622][ T5091] dump_stack_lvl+0xf4/0x15c [ 81.788298][ T5091] dump_stack+0x1c/0x5c [ 81.788906][ T5091] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 81.789719][ T5091] dccp_xmit_packet+0x298/0x448 [ 81.790428][ T5091] dccp_write_xmit+0x118/0x1d0 [ 81.791129][ T5091] dccp_sendmsg+0x550/0x8b8 [ 81.791793][ T5091] inet_sendmsg+0x154/0x284 [ 81.792453][ T5091] __sys_sendto+0x30c/0x420 [ 81.793106][ T5091] __arm64_sys_sendto+0xd8/0xf8 [ 81.793802][ T5091] invoke_syscall+0x98/0x2b0 [ 81.794470][ T5091] el0_svc_common+0x138/0x258 [ 81.795156][ T5091] do_el0_svc+0x58/0x13c [ 81.795775][ T5091] el0_svc+0x78/0x1d0 [ 81.796368][ T5091] el0t_64_sync_handler+0xcc/0xe4 [ 81.797102][ T5091] el0t_64_sync+0x1a0/0x1a4 [ 81.798374][ T5091] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 81.799983][ T5091] CPU: 1 PID: 5091 Comm: syz.0.47 Not tainted syzkaller #0 [ 81.801086][ T5091] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.802531][ T5091] Call trace: [ 81.803075][ T5091] dump_backtrace+0x0/0x458 [ 81.803689][ T5091] show_stack+0x2c/0x3c [ 81.804268][ T5091] __dump_stack+0x30/0x40 [ 81.804933][ T5091] dump_stack_lvl+0xf4/0x15c [ 81.805607][ T5091] dump_stack+0x1c/0x5c [ 81.806244][ T5091] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 81.807006][ T5091] dccp_xmit_packet+0x298/0x448 [ 81.807728][ T5091] dccp_write_xmit+0x118/0x1d0 [ 81.808472][ T5091] dccp_sendmsg+0x550/0x8b8 [ 81.809145][ T5091] inet_sendmsg+0x154/0x284 [ 81.809873][ T5091] __sys_sendto+0x30c/0x420 [ 81.810568][ T5091] __arm64_sys_sendto+0xd8/0xf8 [ 81.811363][ T5091] invoke_syscall+0x98/0x2b0 [ 81.812059][ T5091] el0_svc_common+0x138/0x258 [ 81.812742][ T5091] do_el0_svc+0x58/0x13c [ 81.813426][ T5091] el0_svc+0x78/0x1d0 [ 81.813999][ T5091] el0t_64_sync_handler+0xcc/0xe4 [ 81.814761][ T5091] el0t_64_sync+0x1a0/0x1a4 [ 81.815585][ T5091] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 81.817165][ T5091] CPU: 1 PID: 5091 Comm: syz.0.47 Not tainted syzkaller #0 [ 81.818206][ T5091] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.819652][ T5091] Call trace: [ 81.820126][ T5091] dump_backtrace+0x0/0x458 [ 81.820778][ T5091] show_stack+0x2c/0x3c [ 81.821364][ T5091] __dump_stack+0x30/0x40 [ 81.821982][ T5091] dump_stack_lvl+0xf4/0x15c [ 81.822623][ T5091] dump_stack+0x1c/0x5c [ 81.823225][ T5091] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 81.823994][ T5091] dccp_xmit_packet+0x298/0x448 [ 81.824739][ T5091] dccp_write_xmit+0x118/0x1d0 [ 81.825473][ T5091] dccp_sendmsg+0x550/0x8b8 [ 81.826141][ T5091] inet_sendmsg+0x154/0x284 [ 81.826828][ T5091] __sys_sendto+0x30c/0x420 [ 81.827483][ T5091] __arm64_sys_sendto+0xd8/0xf8 [ 81.828215][ T5091] invoke_syscall+0x98/0x2b0 [ 81.828897][ T5091] el0_svc_common+0x138/0x258 [ 81.829564][ T5091] do_el0_svc+0x58/0x13c [ 81.830191][ T5091] el0_svc+0x78/0x1d0 [ 81.830761][ T5091] el0t_64_sync_handler+0xcc/0xe4 [ 81.831482][ T5091] el0t_64_sync+0x1a0/0x1a4 [ 81.847200][ T5093] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 81.848997][ T5093] CPU: 0 PID: 5093 Comm: syz.0.48 Not tainted syzkaller #0 [ 81.849999][ T5093] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.851375][ T5093] Call trace: [ 81.851812][ T5093] dump_backtrace+0x0/0x458 [ 81.852426][ T5093] show_stack+0x2c/0x3c [ 81.852988][ T5093] __dump_stack+0x30/0x40 [ 81.853610][ T5093] dump_stack_lvl+0xf4/0x15c [ 81.854219][ T5093] dump_stack+0x1c/0x5c [ 81.854808][ T5093] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 81.855616][ T5093] dccp_xmit_packet+0x298/0x448 [ 81.856312][ T5093] dccp_write_xmit+0x118/0x1d0 [ 81.856977][ T5093] dccp_sendmsg+0x550/0x8b8 [ 81.857655][ T5093] inet_sendmsg+0x154/0x284 [ 81.858341][ T5093] __sys_sendto+0x30c/0x420 [ 81.858999][ T5093] __arm64_sys_sendto+0xd8/0xf8 [ 81.859701][ T5093] invoke_syscall+0x98/0x2b0 [ 81.860412][ T5093] el0_svc_common+0x138/0x258 [ 81.861097][ T5093] do_el0_svc+0x58/0x13c [ 81.861768][ T5093] el0_svc+0x78/0x1d0 [ 81.862376][ T5093] el0t_64_sync_handler+0xcc/0xe4 [ 81.863189][ T5093] el0t_64_sync+0x1a0/0x1a4 [ 81.864177][ T5093] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 81.866033][ T5093] CPU: 0 PID: 5093 Comm: syz.0.48 Not tainted syzkaller #0 [ 81.866993][ T5093] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.868413][ T5093] Call trace: [ 81.868831][ T5093] dump_backtrace+0x0/0x458 [ 81.869460][ T5093] show_stack+0x2c/0x3c [ 81.870016][ T5093] __dump_stack+0x30/0x40 [ 81.870658][ T5093] dump_stack_lvl+0xf4/0x15c [ 81.871338][ T5093] dump_stack+0x1c/0x5c [ 81.871951][ T5093] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 81.872776][ T5093] dccp_xmit_packet+0x298/0x448 [ 81.873478][ T5093] dccp_write_xmit+0x118/0x1d0 [ 81.874136][ T5093] dccp_sendmsg+0x550/0x8b8 [ 81.874828][ T5093] inet_sendmsg+0x154/0x284 [ 81.875511][ T5093] __sys_sendto+0x30c/0x420 [ 81.876151][ T5093] __arm64_sys_sendto+0xd8/0xf8 [ 81.876865][ T5093] invoke_syscall+0x98/0x2b0 [ 81.877491][ T5093] el0_svc_common+0x138/0x258 [ 81.878204][ T5093] do_el0_svc+0x58/0x13c [ 81.878811][ T5093] el0_svc+0x78/0x1d0 [ 81.879399][ T5093] el0t_64_sync_handler+0xcc/0xe4 [ 81.880197][ T5093] el0t_64_sync+0x1a0/0x1a4 [ 81.881155][ T5093] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 81.882842][ T5093] CPU: 0 PID: 5093 Comm: syz.0.48 Not tainted syzkaller #0 [ 81.884001][ T5093] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.885540][ T5093] Call trace: [ 81.886054][ T5093] dump_backtrace+0x0/0x458 [ 81.886785][ T5093] show_stack+0x2c/0x3c [ 81.887427][ T5093] __dump_stack+0x30/0x40 [ 81.888101][ T5093] dump_stack_lvl+0xf4/0x15c [ 81.888847][ T5093] dump_stack+0x1c/0x5c [ 81.889492][ T5093] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 81.890323][ T5093] dccp_xmit_packet+0x298/0x448 [ 81.891052][ T5093] dccp_write_xmit+0x118/0x1d0 [ 81.891754][ T5093] dccp_sendmsg+0x550/0x8b8 [ 81.892427][ T5093] inet_sendmsg+0x154/0x284 [ 81.893118][ T5093] __sys_sendto+0x30c/0x420 [ 81.893756][ T5093] __arm64_sys_sendto+0xd8/0xf8 [ 81.894462][ T5093] invoke_syscall+0x98/0x2b0 [ 81.895121][ T5093] el0_svc_common+0x138/0x258 [ 81.895803][ T5093] do_el0_svc+0x58/0x13c [ 81.896431][ T5093] el0_svc+0x78/0x1d0 [ 81.897005][ T5093] el0t_64_sync_handler+0xcc/0xe4 [ 81.897721][ T5093] el0t_64_sync+0x1a0/0x1a4 [ 81.899014][ T5093] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 81.900730][ T5093] CPU: 0 PID: 5093 Comm: syz.0.48 Not tainted syzkaller #0 [ 81.901730][ T5093] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.903168][ T5093] Call trace: [ 81.903694][ T5093] dump_backtrace+0x0/0x458 [ 81.904322][ T5093] show_stack+0x2c/0x3c [ 81.904966][ T5093] __dump_stack+0x30/0x40 [ 81.905578][ T5093] dump_stack_lvl+0xf4/0x15c [ 81.906335][ T5093] dump_stack+0x1c/0x5c [ 81.906926][ T5093] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 81.907670][ T5093] dccp_xmit_packet+0x298/0x448 [ 81.908337][ T5093] dccp_write_xmit+0x118/0x1d0 [ 81.909050][ T5093] dccp_sendmsg+0x550/0x8b8 [ 81.909662][ T5093] inet_sendmsg+0x154/0x284 [ 81.910241][ T5093] __sys_sendto+0x30c/0x420 [ 81.910847][ T5093] __arm64_sys_sendto+0xd8/0xf8 [ 81.911500][ T5093] invoke_syscall+0x98/0x2b0 [ 81.912191][ T5093] el0_svc_common+0x138/0x258 [ 81.912892][ T5093] do_el0_svc+0x58/0x13c [ 81.913494][ T5093] el0_svc+0x78/0x1d0 [ 81.914067][ T5093] el0t_64_sync_handler+0xcc/0xe4 [ 81.914798][ T5093] el0t_64_sync+0x1a0/0x1a4 [ 81.915987][ T5093] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 81.917835][ T5093] CPU: 0 PID: 5093 Comm: syz.0.48 Not tainted syzkaller #0 [ 81.918957][ T5093] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.920525][ T5093] Call trace: [ 81.921037][ T5093] dump_backtrace+0x0/0x458 [ 81.921703][ T5093] show_stack+0x2c/0x3c [ 81.922322][ T5093] __dump_stack+0x30/0x40 [ 81.923002][ T5093] dump_stack_lvl+0xf4/0x15c [ 81.923792][ T5093] dump_stack+0x1c/0x5c [ 81.924430][ T5093] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 81.925296][ T5093] dccp_xmit_packet+0x298/0x448 [ 81.926102][ T5093] dccp_write_xmit+0x118/0x1d0 [ 81.926817][ T5093] dccp_sendmsg+0x550/0x8b8 [ 81.927535][ T5093] inet_sendmsg+0x154/0x284 [ 81.928223][ T5093] __sys_sendto+0x30c/0x420 [ 81.928906][ T5093] __arm64_sys_sendto+0xd8/0xf8 [ 81.929672][ T5093] invoke_syscall+0x98/0x2b0 [ 81.930427][ T5093] el0_svc_common+0x138/0x258 [ 81.931088][ T5093] do_el0_svc+0x58/0x13c [ 81.931699][ T5093] el0_svc+0x78/0x1d0 [ 81.932256][ T5093] el0t_64_sync_handler+0xcc/0xe4 [ 81.932980][ T5093] el0t_64_sync+0x1a0/0x1a4 [ 81.933951][ T5093] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 81.935798][ T5093] CPU: 0 PID: 5093 Comm: syz.0.48 Not tainted syzkaller #0 [ 81.936965][ T5093] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.938370][ T5093] Call trace: [ 81.938819][ T5093] dump_backtrace+0x0/0x458 [ 81.939481][ T5093] show_stack+0x2c/0x3c [ 81.940078][ T5093] __dump_stack+0x30/0x40 [ 81.940744][ T5093] dump_stack_lvl+0xf4/0x15c [ 81.941425][ T5093] dump_stack+0x1c/0x5c [ 81.942031][ T5093] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 81.942841][ T5093] dccp_xmit_packet+0x298/0x448 [ 81.943531][ T5093] dccp_write_xmit+0x118/0x1d0 [ 81.944248][ T5093] dccp_sendmsg+0x550/0x8b8 [ 81.944968][ T5093] inet_sendmsg+0x154/0x284 [ 81.945670][ T5093] __sys_sendto+0x30c/0x420 [ 81.946376][ T5093] __arm64_sys_sendto+0xd8/0xf8 [ 81.947137][ T5093] invoke_syscall+0x98/0x2b0 [ 81.947813][ T5093] el0_svc_common+0x138/0x258 [ 81.948483][ T5093] do_el0_svc+0x58/0x13c [ 81.949085][ T5093] el0_svc+0x78/0x1d0 [ 81.949673][ T5093] el0t_64_sync_handler+0xcc/0xe4 [ 81.950425][ T5093] el0t_64_sync+0x1a0/0x1a4 [ 81.951377][ T5093] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 81.953037][ T5093] CPU: 0 PID: 5093 Comm: syz.0.48 Not tainted syzkaller #0 [ 81.954131][ T5093] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.955812][ T5093] Call trace: [ 81.956259][ T5093] dump_backtrace+0x0/0x458 [ 81.956945][ T5093] show_stack+0x2c/0x3c [ 81.957635][ T5093] __dump_stack+0x30/0x40 [ 81.958343][ T5093] dump_stack_lvl+0xf4/0x15c [ 81.959040][ T5093] dump_stack+0x1c/0x5c [ 81.959705][ T5093] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 81.960532][ T5093] dccp_xmit_packet+0x298/0x448 [ 81.961247][ T5093] dccp_write_xmit+0x118/0x1d0 [ 81.961961][ T5093] dccp_sendmsg+0x550/0x8b8 [ 81.962695][ T5093] inet_sendmsg+0x154/0x284 [ 81.963397][ T5093] __sys_sendto+0x30c/0x420 [ 81.964071][ T5093] __arm64_sys_sendto+0xd8/0xf8 [ 81.964809][ T5093] invoke_syscall+0x98/0x2b0 [ 81.965488][ T5093] el0_svc_common+0x138/0x258 [ 81.966168][ T5093] do_el0_svc+0x58/0x13c [ 81.966792][ T5093] el0_svc+0x78/0x1d0 [ 81.967408][ T5093] el0t_64_sync_handler+0xcc/0xe4 [ 81.968140][ T5093] el0t_64_sync+0x1a0/0x1a4 [ 81.969002][ T5093] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 81.970739][ T5093] CPU: 0 PID: 5093 Comm: syz.0.48 Not tainted syzkaller #0 [ 81.971858][ T5093] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.973325][ T5093] Call trace: [ 81.973776][ T5093] dump_backtrace+0x0/0x458 [ 81.974405][ T5093] show_stack+0x2c/0x3c [ 81.974984][ T5093] __dump_stack+0x30/0x40 [ 81.975597][ T5093] dump_stack_lvl+0xf4/0x15c [ 81.976228][ T5093] dump_stack+0x1c/0x5c [ 81.976861][ T5093] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 81.977625][ T5093] dccp_xmit_packet+0x298/0x448 [ 81.978325][ T5093] dccp_write_xmit+0x118/0x1d0 [ 81.979037][ T5093] dccp_sendmsg+0x550/0x8b8 [ 81.979680][ T5093] inet_sendmsg+0x154/0x284 [ 81.980335][ T5093] __sys_sendto+0x30c/0x420 [ 81.980976][ T5093] __arm64_sys_sendto+0xd8/0xf8 [ 81.981697][ T5093] invoke_syscall+0x98/0x2b0 [ 81.982406][ T5093] el0_svc_common+0x138/0x258 [ 81.983051][ T5093] do_el0_svc+0x58/0x13c [ 81.983707][ T5093] el0_svc+0x78/0x1d0 [ 81.984276][ T5093] el0t_64_sync_handler+0xcc/0xe4 [ 81.985017][ T5093] el0t_64_sync+0x1a0/0x1a4 [ 81.985806][ T5093] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 81.987434][ T5093] CPU: 0 PID: 5093 Comm: syz.0.48 Not tainted syzkaller #0 [ 81.988474][ T5093] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.989877][ T5093] Call trace: [ 81.990332][ T5093] dump_backtrace+0x0/0x458 [ 81.990973][ T5093] show_stack+0x2c/0x3c [ 81.991544][ T5093] __dump_stack+0x30/0x40 [ 81.992182][ T5093] dump_stack_lvl+0xf4/0x15c [ 81.992866][ T5093] dump_stack+0x1c/0x5c [ 81.993499][ T5093] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 81.994277][ T5093] dccp_xmit_packet+0x298/0x448 [ 81.995013][ T5093] dccp_write_xmit+0x118/0x1d0 [ 81.995741][ T5093] dccp_sendmsg+0x550/0x8b8 [ 81.996361][ T5093] inet_sendmsg+0x154/0x284 [ 81.997056][ T5093] __sys_sendto+0x30c/0x420 [ 81.997731][ T5093] __arm64_sys_sendto+0xd8/0xf8 [ 81.998435][ T5093] invoke_syscall+0x98/0x2b0 [ 81.999092][ T5093] el0_svc_common+0x138/0x258 [ 81.999820][ T5093] do_el0_svc+0x58/0x13c [ 82.000464][ T5093] el0_svc+0x78/0x1d0 [ 82.001040][ T5093] el0t_64_sync_handler+0xcc/0xe4 [ 82.001770][ T5093] el0t_64_sync+0x1a0/0x1a4 [ 82.002586][ T5093] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 82.004223][ T5093] CPU: 0 PID: 5093 Comm: syz.0.48 Not tainted syzkaller #0 [ 82.005280][ T5093] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.006662][ T5093] Call trace: [ 82.007131][ T5093] dump_backtrace+0x0/0x458 [ 82.007794][ T5093] show_stack+0x2c/0x3c [ 82.008461][ T5093] __dump_stack+0x30/0x40 [ 82.009120][ T5093] dump_stack_lvl+0xf4/0x15c [ 82.009809][ T5093] dump_stack+0x1c/0x5c [ 82.010416][ T5093] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 82.011220][ T5093] dccp_xmit_packet+0x298/0x448 [ 82.011889][ T5093] dccp_write_xmit+0x118/0x1d0 [ 82.012549][ T5093] dccp_sendmsg+0x550/0x8b8 [ 82.013247][ T5093] inet_sendmsg+0x154/0x284 [ 82.013940][ T5093] __sys_sendto+0x30c/0x420 [ 82.014581][ T5093] __arm64_sys_sendto+0xd8/0xf8 [ 82.015288][ T5093] invoke_syscall+0x98/0x2b0 [ 82.015911][ T5093] el0_svc_common+0x138/0x258 [ 82.016615][ T5093] do_el0_svc+0x58/0x13c [ 82.017212][ T5093] el0_svc+0x78/0x1d0 [ 82.017759][ T5093] el0t_64_sync_handler+0xcc/0xe4 [ 82.018483][ T5093] el0t_64_sync+0x1a0/0x1a4 [ 82.019278][ T5093] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 82.020902][ T5093] CPU: 0 PID: 5093 Comm: syz.0.48 Not tainted syzkaller #0 [ 82.022025][ T5093] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.023654][ T5093] Call trace: [ 82.024106][ T5093] dump_backtrace+0x0/0x458 [ 82.024728][ T5093] show_stack+0x2c/0x3c [ 82.025395][ T5093] __dump_stack+0x30/0x40 [ 82.025996][ T5093] dump_stack_lvl+0xf4/0x15c [ 82.026626][ T5093] dump_stack+0x1c/0x5c [ 82.027236][ T5093] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 82.028055][ T5093] dccp_xmit_packet+0x298/0x448 [ 82.028688][ T5093] dccp_write_xmit+0x118/0x1d0 [ 82.029363][ T5093] dccp_sendmsg+0x550/0x8b8 [ 82.030036][ T5093] inet_sendmsg+0x154/0x284 [ 82.030718][ T5093] __sys_sendto+0x30c/0x420 [ 82.031368][ T5093] __arm64_sys_sendto+0xd8/0xf8 [ 82.032082][ T5093] invoke_syscall+0x98/0x2b0 [ 82.032772][ T5093] el0_svc_common+0x138/0x258 [ 82.033488][ T5093] do_el0_svc+0x58/0x13c [ 82.034104][ T5093] el0_svc+0x78/0x1d0 [ 82.034672][ T5093] el0t_64_sync_handler+0xcc/0xe4 [ 82.035367][ T5093] el0t_64_sync+0x1a0/0x1a4 [ 82.037322][ T5093] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 82.039032][ T5093] CPU: 0 PID: 5093 Comm: syz.0.48 Not tainted syzkaller #0 [ 82.040166][ T5093] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.041642][ T5093] Call trace: [ 82.042165][ T5093] dump_backtrace+0x0/0x458 [ 82.042791][ T5093] show_stack+0x2c/0x3c [ 82.043446][ T5093] __dump_stack+0x30/0x40 [ 82.044081][ T5093] dump_stack_lvl+0xf4/0x15c [ 82.044755][ T5093] dump_stack+0x1c/0x5c [ 82.045363][ T5093] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 82.046212][ T5093] dccp_xmit_packet+0x298/0x448 [ 82.046916][ T5093] dccp_write_xmit+0x118/0x1d0 [ 82.047601][ T5093] dccp_sendmsg+0x550/0x8b8 [ 82.048306][ T5093] inet_sendmsg+0x154/0x284 [ 82.048960][ T5093] __sys_sendto+0x30c/0x420 [ 82.049607][ T5093] __arm64_sys_sendto+0xd8/0xf8 [ 82.050315][ T5093] invoke_syscall+0x98/0x2b0 [ 82.050978][ T5093] el0_svc_common+0x138/0x258 [ 82.051703][ T5093] do_el0_svc+0x58/0x13c [ 82.052331][ T5093] el0_svc+0x78/0x1d0 [ 82.052940][ T5093] el0t_64_sync_handler+0xcc/0xe4 [ 82.053678][ T5093] el0t_64_sync+0x1a0/0x1a4 [ 82.054600][ T5093] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 82.056185][ T5093] CPU: 0 PID: 5093 Comm: syz.0.48 Not tainted syzkaller #0 [ 82.057224][ T5093] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.058665][ T5093] Call trace: [ 82.059111][ T5093] dump_backtrace+0x0/0x458 [ 82.059785][ T5093] show_stack+0x2c/0x3c [ 82.060388][ T5093] __dump_stack+0x30/0x40 [ 82.060980][ T5093] dump_stack_lvl+0xf4/0x15c [ 82.061589][ T5093] dump_stack+0x1c/0x5c [ 82.062149][ T5093] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 82.062927][ T5093] dccp_xmit_packet+0x298/0x448 [ 82.063630][ T5093] dccp_write_xmit+0x118/0x1d0 [ 82.064292][ T5093] dccp_sendmsg+0x550/0x8b8 [ 82.064923][ T5093] inet_sendmsg+0x154/0x284 [ 82.065542][ T5093] __sys_sendto+0x30c/0x420 [ 82.066216][ T5093] __arm64_sys_sendto+0xd8/0xf8 [ 82.066932][ T5093] invoke_syscall+0x98/0x2b0 [ 82.067624][ T5093] el0_svc_common+0x138/0x258 [ 82.068295][ T5093] do_el0_svc+0x58/0x13c [ 82.068934][ T5093] el0_svc+0x78/0x1d0 [ 82.069510][ T5093] el0t_64_sync_handler+0xcc/0xe4 [ 82.070202][ T5093] el0t_64_sync+0x1a0/0x1a4 [ 82.071053][ T5093] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 82.072809][ T5093] CPU: 0 PID: 5093 Comm: syz.0.48 Not tainted syzkaller #0 [ 82.073896][ T5093] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.075503][ T5093] Call trace: [ 82.076044][ T5093] dump_backtrace+0x0/0x458 [ 82.076766][ T5093] show_stack+0x2c/0x3c [ 82.077436][ T5093] __dump_stack+0x30/0x40 [ 82.078105][ T5093] dump_stack_lvl+0xf4/0x15c [ 82.078856][ T5093] dump_stack+0x1c/0x5c [ 82.079493][ T5093] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 82.080274][ T5093] dccp_xmit_packet+0x298/0x448 [ 82.080985][ T5093] dccp_write_xmit+0x118/0x1d0 [ 82.081704][ T5093] dccp_sendmsg+0x550/0x8b8 [ 82.082439][ T5093] inet_sendmsg+0x154/0x284 [ 82.083138][ T5093] __sys_sendto+0x30c/0x420 [ 82.083808][ T5093] __arm64_sys_sendto+0xd8/0xf8 [ 82.084585][ T5093] invoke_syscall+0x98/0x2b0 [ 82.085239][ T5093] el0_svc_common+0x138/0x258 [ 82.085930][ T5093] do_el0_svc+0x58/0x13c [ 82.086558][ T5093] el0_svc+0x78/0x1d0 [ 82.087165][ T5093] el0t_64_sync_handler+0xcc/0xe4 [ 82.087911][ T5093] el0t_64_sync+0x1a0/0x1a4 [ 82.089024][ T5093] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 82.090695][ T5093] CPU: 0 PID: 5093 Comm: syz.0.48 Not tainted syzkaller #0 [ 82.091809][ T5093] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.093283][ T5093] Call trace: [ 82.093764][ T5093] dump_backtrace+0x0/0x458 [ 82.094403][ T5093] show_stack+0x2c/0x3c [ 82.094979][ T5093] __dump_stack+0x30/0x40 [ 82.095571][ T5093] dump_stack_lvl+0xf4/0x15c [ 82.096269][ T5093] dump_stack+0x1c/0x5c [ 82.096878][ T5093] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 82.097742][ T5093] dccp_xmit_packet+0x298/0x448 [ 82.098501][ T5093] dccp_write_xmit+0x118/0x1d0 [ 82.099236][ T5093] dccp_sendmsg+0x550/0x8b8 [ 82.099893][ T5093] inet_sendmsg+0x154/0x284 [ 82.100532][ T5093] __sys_sendto+0x30c/0x420 [ 82.101206][ T5093] __arm64_sys_sendto+0xd8/0xf8 [ 82.101948][ T5093] invoke_syscall+0x98/0x2b0 [ 82.102612][ T5093] el0_svc_common+0x138/0x258 [ 82.103302][ T5093] do_el0_svc+0x58/0x13c [ 82.103889][ T5093] el0_svc+0x78/0x1d0 [ 82.104468][ T5093] el0t_64_sync_handler+0xcc/0xe4 [ 82.105161][ T5093] el0t_64_sync+0x1a0/0x1a4 [ 82.106129][ T5093] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 82.107832][ T5093] CPU: 0 PID: 5093 Comm: syz.0.48 Not tainted syzkaller #0 [ 82.108887][ T5093] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.110354][ T5093] Call trace: [ 82.110823][ T5093] dump_backtrace+0x0/0x458 [ 82.111498][ T5093] show_stack+0x2c/0x3c [ 82.112082][ T5093] __dump_stack+0x30/0x40 [ 82.112697][ T5093] dump_stack_lvl+0xf4/0x15c [ 82.113338][ T5093] dump_stack+0x1c/0x5c [ 82.113981][ T5093] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 82.114835][ T5093] dccp_xmit_packet+0x298/0x448 [ 82.115553][ T5093] dccp_write_xmit+0x118/0x1d0 [ 82.116207][ T5093] dccp_sendmsg+0x550/0x8b8 [ 82.116865][ T5093] inet_sendmsg+0x154/0x284 [ 82.117512][ T5093] __sys_sendto+0x30c/0x420 [ 82.118148][ T5093] __arm64_sys_sendto+0xd8/0xf8 [ 82.118857][ T5093] invoke_syscall+0x98/0x2b0 [ 82.119535][ T5093] el0_svc_common+0x138/0x258 [ 82.120216][ T5093] do_el0_svc+0x58/0x13c [ 82.120846][ T5093] el0_svc+0x78/0x1d0 [ 82.121407][ T5093] el0t_64_sync_handler+0xcc/0xe4 [ 82.122181][ T5093] el0t_64_sync+0x1a0/0x1a4 [ 82.122990][ T5093] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 82.124886][ T5093] CPU: 0 PID: 5093 Comm: syz.0.48 Not tainted syzkaller #0 [ 82.125967][ T5093] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.127483][ T5093] Call trace: [ 82.127949][ T5093] dump_backtrace+0x0/0x458 [ 82.128630][ T5093] show_stack+0x2c/0x3c [ 82.129268][ T5093] __dump_stack+0x30/0x40 [ 82.129992][ T5093] dump_stack_lvl+0xf4/0x15c [ 82.130717][ T5093] dump_stack+0x1c/0x5c [ 82.131337][ T5093] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 82.132146][ T5093] dccp_xmit_packet+0x298/0x448 [ 82.132861][ T5093] dccp_write_xmit+0x118/0x1d0 [ 82.133544][ T5093] dccp_sendmsg+0x550/0x8b8 [ 82.134205][ T5093] inet_sendmsg+0x154/0x284 [ 82.134888][ T5093] __sys_sendto+0x30c/0x420 [ 82.135540][ T5093] __arm64_sys_sendto+0xd8/0xf8 [ 82.136307][ T5093] invoke_syscall+0x98/0x2b0 [ 82.137031][ T5093] el0_svc_common+0x138/0x258 [ 82.137822][ T5093] do_el0_svc+0x58/0x13c [ 82.138488][ T5093] el0_svc+0x78/0x1d0 [ 82.139116][ T5093] el0t_64_sync_handler+0xcc/0xe4 [ 82.139928][ T5093] el0t_64_sync+0x1a0/0x1a4 [ 82.170197][ T5097] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 82.172238][ T5097] CPU: 0 PID: 5097 Comm: syz.0.50 Not tainted syzkaller #0 [ 82.173318][ T5097] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.174778][ T5097] Call trace: [ 82.175285][ T5097] dump_backtrace+0x0/0x458 [ 82.175991][ T5097] show_stack+0x2c/0x3c [ 82.176643][ T5097] __dump_stack+0x30/0x40 [ 82.177301][ T5097] dump_stack_lvl+0xf4/0x15c [ 82.178011][ T5097] dump_stack+0x1c/0x5c [ 82.178689][ T5097] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 82.179489][ T5097] dccp_xmit_packet+0x298/0x448 [ 82.180217][ T5097] dccp_write_xmit+0x118/0x1d0 [ 82.180880][ T5097] dccp_sendmsg+0x550/0x8b8 [ 82.181492][ T5097] inet_sendmsg+0x154/0x284 [ 82.182167][ T5097] __sys_sendto+0x30c/0x420 [ 82.182836][ T5097] __arm64_sys_sendto+0xd8/0xf8 [ 82.183673][ T5097] invoke_syscall+0x98/0x2b0 [ 82.184499][ T5097] el0_svc_common+0x138/0x258 [ 82.185303][ T5097] do_el0_svc+0x58/0x13c [ 82.186011][ T5097] el0_svc+0x78/0x1d0 [ 82.186658][ T5097] el0t_64_sync_handler+0xcc/0xe4 [ 82.187493][ T5097] el0t_64_sync+0x1a0/0x1a4 [ 82.188786][ T5097] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 82.190483][ T5097] CPU: 0 PID: 5097 Comm: syz.0.50 Not tainted syzkaller #0 [ 82.191466][ T5097] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.192888][ T5097] Call trace: [ 82.193336][ T5097] dump_backtrace+0x0/0x458 [ 82.193952][ T5097] show_stack+0x2c/0x3c [ 82.194556][ T5097] __dump_stack+0x30/0x40 [ 82.195171][ T5097] dump_stack_lvl+0xf4/0x15c [ 82.195885][ T5097] dump_stack+0x1c/0x5c [ 82.196527][ T5097] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 82.197373][ T5097] dccp_xmit_packet+0x298/0x448 [ 82.198103][ T5097] dccp_write_xmit+0x118/0x1d0 [ 82.198805][ T5097] dccp_sendmsg+0x550/0x8b8 [ 82.199460][ T5097] inet_sendmsg+0x154/0x284 [ 82.200160][ T5097] __sys_sendto+0x30c/0x420 [ 82.200803][ T5097] __arm64_sys_sendto+0xd8/0xf8 [ 82.201544][ T5097] invoke_syscall+0x98/0x2b0 [ 82.202257][ T5097] el0_svc_common+0x138/0x258 [ 82.202932][ T5097] do_el0_svc+0x58/0x13c [ 82.203608][ T5097] el0_svc+0x78/0x1d0 [ 82.204258][ T5097] el0t_64_sync_handler+0xcc/0xe4 [ 82.205048][ T5097] el0t_64_sync+0x1a0/0x1a4 [ 82.206315][ T5097] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 82.207958][ T5097] CPU: 0 PID: 5097 Comm: syz.0.50 Not tainted syzkaller #0 [ 82.209070][ T5097] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.210504][ T5097] Call trace: [ 82.210969][ T5097] dump_backtrace+0x0/0x458 [ 82.211608][ T5097] show_stack+0x2c/0x3c [ 82.212176][ T5097] __dump_stack+0x30/0x40 [ 82.212779][ T5097] dump_stack_lvl+0xf4/0x15c [ 82.213401][ T5097] dump_stack+0x1c/0x5c [ 82.213951][ T5097] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 82.214755][ T5097] dccp_xmit_packet+0x298/0x448 [ 82.215441][ T5097] dccp_write_xmit+0x118/0x1d0 [ 82.216125][ T5097] dccp_sendmsg+0x550/0x8b8 [ 82.216723][ T5097] inet_sendmsg+0x154/0x284 [ 82.217351][ T5097] __sys_sendto+0x30c/0x420 [ 82.217991][ T5097] __arm64_sys_sendto+0xd8/0xf8 [ 82.218659][ T5097] invoke_syscall+0x98/0x2b0 [ 82.219309][ T5097] el0_svc_common+0x138/0x258 [ 82.219950][ T5097] do_el0_svc+0x58/0x13c [ 82.220525][ T5097] el0_svc+0x78/0x1d0 [ 82.221109][ T5097] el0t_64_sync_handler+0xcc/0xe4 [ 82.221824][ T5097] el0t_64_sync+0x1a0/0x1a4 [ 82.222833][ T5097] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 82.224711][ T5097] CPU: 0 PID: 5097 Comm: syz.0.50 Not tainted syzkaller #0 [ 82.225753][ T5097] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.227270][ T5097] Call trace: [ 82.227717][ T5097] dump_backtrace+0x0/0x458 [ 82.228373][ T5097] show_stack+0x2c/0x3c [ 82.229002][ T5097] __dump_stack+0x30/0x40 [ 82.229650][ T5097] dump_stack_lvl+0xf4/0x15c [ 82.230387][ T5097] dump_stack+0x1c/0x5c [ 82.231081][ T5097] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 82.231856][ T5097] dccp_xmit_packet+0x298/0x448 [ 82.232629][ T5097] dccp_write_xmit+0x118/0x1d0 [ 82.233337][ T5097] dccp_sendmsg+0x550/0x8b8 [ 82.234046][ T5097] inet_sendmsg+0x154/0x284 [ 82.234720][ T5097] __sys_sendto+0x30c/0x420 [ 82.235376][ T5097] __arm64_sys_sendto+0xd8/0xf8 [ 82.236110][ T5097] invoke_syscall+0x98/0x2b0 [ 82.236787][ T5097] el0_svc_common+0x138/0x258 [ 82.237485][ T5097] do_el0_svc+0x58/0x13c [ 82.238092][ T5097] el0_svc+0x78/0x1d0 [ 82.238706][ T5097] el0t_64_sync_handler+0xcc/0xe4 [ 82.239458][ T5097] el0t_64_sync+0x1a0/0x1a4 [ 82.240361][ T5097] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 82.241951][ T5097] CPU: 0 PID: 5097 Comm: syz.0.50 Not tainted syzkaller #0 [ 82.242955][ T5097] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.244341][ T5097] Call trace: [ 82.244826][ T5097] dump_backtrace+0x0/0x458 [ 82.245482][ T5097] show_stack+0x2c/0x3c [ 82.246119][ T5097] __dump_stack+0x30/0x40 [ 82.246743][ T5097] dump_stack_lvl+0xf4/0x15c [ 82.247429][ T5097] dump_stack+0x1c/0x5c [ 82.248061][ T5097] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 82.248901][ T5097] dccp_xmit_packet+0x298/0x448 [ 82.249611][ T5097] dccp_write_xmit+0x118/0x1d0 [ 82.250273][ T5097] dccp_sendmsg+0x550/0x8b8 [ 82.250909][ T5097] inet_sendmsg+0x154/0x284 [ 82.251536][ T5097] __sys_sendto+0x30c/0x420 [ 82.252238][ T5097] __arm64_sys_sendto+0xd8/0xf8 [ 82.252994][ T5097] invoke_syscall+0x98/0x2b0 [ 82.253715][ T5097] el0_svc_common+0x138/0x258 [ 82.254371][ T5097] do_el0_svc+0x58/0x13c [ 82.254978][ T5097] el0_svc+0x78/0x1d0 [ 82.255511][ T5097] el0t_64_sync_handler+0xcc/0xe4 [ 82.256233][ T5097] el0t_64_sync+0x1a0/0x1a4 [ 82.257445][ T5097] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 82.259119][ T5097] CPU: 0 PID: 5097 Comm: syz.0.50 Not tainted syzkaller #0 [ 82.260169][ T5097] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.261582][ T5097] Call trace: [ 82.262057][ T5097] dump_backtrace+0x0/0x458 [ 82.262733][ T5097] show_stack+0x2c/0x3c [ 82.263352][ T5097] __dump_stack+0x30/0x40 [ 82.263970][ T5097] dump_stack_lvl+0xf4/0x15c [ 82.264608][ T5097] dump_stack+0x1c/0x5c [ 82.265213][ T5097] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 82.266004][ T5097] dccp_xmit_packet+0x298/0x448 [ 82.266728][ T5097] dccp_write_xmit+0x118/0x1d0 [ 82.267411][ T5097] dccp_sendmsg+0x550/0x8b8 [ 82.268065][ T5097] inet_sendmsg+0x154/0x284 [ 82.268737][ T5097] __sys_sendto+0x30c/0x420 [ 82.269409][ T5097] __arm64_sys_sendto+0xd8/0xf8 [ 82.270131][ T5097] invoke_syscall+0x98/0x2b0 [ 82.270803][ T5097] el0_svc_common+0x138/0x258 [ 82.271486][ T5097] do_el0_svc+0x58/0x13c [ 82.272118][ T5097] el0_svc+0x78/0x1d0 [ 82.272700][ T5097] el0t_64_sync_handler+0xcc/0xe4 [ 82.273389][ T5097] el0t_64_sync+0x1a0/0x1a4 [ 82.274265][ T5097] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 82.275769][ T5097] CPU: 0 PID: 5097 Comm: syz.0.50 Not tainted syzkaller #0 [ 82.276727][ T5097] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.278149][ T5097] Call trace: [ 82.278588][ T5097] dump_backtrace+0x0/0x458 [ 82.279181][ T5097] show_stack+0x2c/0x3c [ 82.279737][ T5097] __dump_stack+0x30/0x40 [ 82.280323][ T5097] dump_stack_lvl+0xf4/0x15c [ 82.280988][ T5097] dump_stack+0x1c/0x5c [ 82.281564][ T5097] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 82.282347][ T5097] dccp_xmit_packet+0x298/0x448 [ 82.283023][ T5097] dccp_write_xmit+0x118/0x1d0 [ 82.283760][ T5097] dccp_sendmsg+0x550/0x8b8 [ 82.284449][ T5097] inet_sendmsg+0x154/0x284 [ 82.285155][ T5097] __sys_sendto+0x30c/0x420 [ 82.285841][ T5097] __arm64_sys_sendto+0xd8/0xf8 [ 82.286557][ T5097] invoke_syscall+0x98/0x2b0 [ 82.287198][ T5097] el0_svc_common+0x138/0x258 [ 82.287931][ T5097] do_el0_svc+0x58/0x13c [ 82.288579][ T5097] el0_svc+0x78/0x1d0 [ 82.289147][ T5097] el0t_64_sync_handler+0xcc/0xe4 [ 82.289851][ T5097] el0t_64_sync+0x1a0/0x1a4 [ 82.290661][ T5097] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 82.292261][ T5097] CPU: 0 PID: 5097 Comm: syz.0.50 Not tainted syzkaller #0 [ 82.293276][ T5097] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.294652][ T5097] Call trace: [ 82.295122][ T5097] dump_backtrace+0x0/0x458 [ 82.295744][ T5097] show_stack+0x2c/0x3c [ 82.296326][ T5097] __dump_stack+0x30/0x40 [ 82.297007][ T5097] dump_stack_lvl+0xf4/0x15c [ 82.297699][ T5097] dump_stack+0x1c/0x5c [ 82.298258][ T5097] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 82.299004][ T5097] dccp_xmit_packet+0x298/0x448 [ 82.299685][ T5097] dccp_write_xmit+0x118/0x1d0 [ 82.300369][ T5097] dccp_sendmsg+0x550/0x8b8 [ 82.300979][ T5097] inet_sendmsg+0x154/0x284 [ 82.301651][ T5097] __sys_sendto+0x30c/0x420 [ 82.302309][ T5097] __arm64_sys_sendto+0xd8/0xf8 [ 82.303024][ T5097] invoke_syscall+0x98/0x2b0 [ 82.303670][ T5097] el0_svc_common+0x138/0x258 [ 82.304308][ T5097] do_el0_svc+0x58/0x13c [ 82.304971][ T5097] el0_svc+0x78/0x1d0 [ 82.305542][ T5097] el0t_64_sync_handler+0xcc/0xe4 [ 82.306220][ T5097] el0t_64_sync+0x1a0/0x1a4 [ 82.307155][ T5097] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 82.308707][ T5097] CPU: 0 PID: 5097 Comm: syz.0.50 Not tainted syzkaller #0 [ 82.309735][ T5097] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.311144][ T5097] Call trace: [ 82.311603][ T5097] dump_backtrace+0x0/0x458 [ 82.312241][ T5097] show_stack+0x2c/0x3c [ 82.312808][ T5097] __dump_stack+0x30/0x40 [ 82.313405][ T5097] dump_stack_lvl+0xf4/0x15c [ 82.314015][ T5097] dump_stack+0x1c/0x5c [ 82.314663][ T5097] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 82.315448][ T5097] dccp_xmit_packet+0x298/0x448 [ 82.316189][ T5097] dccp_write_xmit+0x118/0x1d0 [ 82.316859][ T5097] dccp_sendmsg+0x550/0x8b8 [ 82.317502][ T5097] inet_sendmsg+0x154/0x284 [ 82.318176][ T5097] __sys_sendto+0x30c/0x420 [ 82.318840][ T5097] __arm64_sys_sendto+0xd8/0xf8 [ 82.319512][ T5097] invoke_syscall+0x98/0x2b0 [ 82.320231][ T5097] el0_svc_common+0x138/0x258 [ 82.320946][ T5097] do_el0_svc+0x58/0x13c [ 82.321552][ T5097] el0_svc+0x78/0x1d0 [ 82.322130][ T5097] el0t_64_sync_handler+0xcc/0xe4 [ 82.322862][ T5097] el0t_64_sync+0x1a0/0x1a4 [ 82.323738][ T5097] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 82.325337][ T5097] CPU: 0 PID: 5097 Comm: syz.0.50 Not tainted syzkaller #0 [ 82.326340][ T5097] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.327731][ T5097] Call trace: [ 82.328188][ T5097] dump_backtrace+0x0/0x458 [ 82.328772][ T5097] show_stack+0x2c/0x3c [ 82.329326][ T5097] __dump_stack+0x30/0x40 [ 82.329920][ T5097] dump_stack_lvl+0xf4/0x15c [ 82.330617][ T5097] dump_stack+0x1c/0x5c [ 82.331183][ T5097] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 82.331922][ T5097] dccp_xmit_packet+0x298/0x448 [ 82.332569][ T5097] dccp_write_xmit+0x118/0x1d0 [ 82.333241][ T5097] dccp_sendmsg+0x550/0x8b8 [ 82.333848][ T5097] inet_sendmsg+0x154/0x284 [ 82.334512][ T5097] __sys_sendto+0x30c/0x420 [ 82.335184][ T5097] __arm64_sys_sendto+0xd8/0xf8 [ 82.335942][ T5097] invoke_syscall+0x98/0x2b0 [ 82.336657][ T5097] el0_svc_common+0x138/0x258 [ 82.337343][ T5097] do_el0_svc+0x58/0x13c [ 82.337920][ T5097] el0_svc+0x78/0x1d0 [ 82.338474][ T5097] el0t_64_sync_handler+0xcc/0xe4 [ 82.339139][ T5097] el0t_64_sync+0x1a0/0x1a4 [ 82.339917][ T5097] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 82.341421][ T5097] CPU: 0 PID: 5097 Comm: syz.0.50 Not tainted syzkaller #0 [ 82.342460][ T5097] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.343842][ T5097] Call trace: [ 82.344269][ T5097] dump_backtrace+0x0/0x458 [ 82.344873][ T5097] show_stack+0x2c/0x3c [ 82.345467][ T5097] __dump_stack+0x30/0x40 [ 82.346120][ T5097] dump_stack_lvl+0xf4/0x15c [ 82.346778][ T5097] dump_stack+0x1c/0x5c [ 82.347394][ T5097] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 82.348210][ T5097] dccp_xmit_packet+0x298/0x448 [ 82.348914][ T5097] dccp_write_xmit+0x118/0x1d0 [ 82.349563][ T5097] dccp_sendmsg+0x550/0x8b8 [ 82.350158][ T5097] inet_sendmsg+0x154/0x284 [ 82.350819][ T5097] __sys_sendto+0x30c/0x420 [ 82.351520][ T5097] __arm64_sys_sendto+0xd8/0xf8 [ 82.352255][ T5097] invoke_syscall+0x98/0x2b0 [ 82.352943][ T5097] el0_svc_common+0x138/0x258 [ 82.353623][ T5097] do_el0_svc+0x58/0x13c [ 82.354212][ T5097] el0_svc+0x78/0x1d0 [ 82.354811][ T5097] el0t_64_sync_handler+0xcc/0xe4 [ 82.355520][ T5097] el0t_64_sync+0x1a0/0x1a4 [ 82.356423][ T5097] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 82.357937][ T5097] CPU: 0 PID: 5097 Comm: syz.0.50 Not tainted syzkaller #0 [ 82.358883][ T5097] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.360222][ T5097] Call trace: [ 82.360662][ T5097] dump_backtrace+0x0/0x458 [ 82.361275][ T5097] show_stack+0x2c/0x3c [ 82.361898][ T5097] __dump_stack+0x30/0x40 [ 82.362543][ T5097] dump_stack_lvl+0xf4/0x15c [ 82.363209][ T5097] dump_stack+0x1c/0x5c [ 82.363830][ T5097] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 82.364642][ T5097] dccp_xmit_packet+0x298/0x448 [ 82.365391][ T5097] dccp_write_xmit+0x118/0x1d0 [ 82.366103][ T5097] dccp_sendmsg+0x550/0x8b8 [ 82.366739][ T5097] inet_sendmsg+0x154/0x284 [ 82.367414][ T5097] __sys_sendto+0x30c/0x420 [ 82.368047][ T5097] __arm64_sys_sendto+0xd8/0xf8 [ 82.368761][ T5097] invoke_syscall+0x98/0x2b0 [ 82.369457][ T5097] el0_svc_common+0x138/0x258 [ 82.370150][ T5097] do_el0_svc+0x58/0x13c [ 82.370763][ T5097] el0_svc+0x78/0x1d0 [ 82.371383][ T5097] el0t_64_sync_handler+0xcc/0xe4 [ 82.372098][ T5097] el0t_64_sync+0x1a0/0x1a4 [ 82.373241][ T5097] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 82.375029][ T5097] CPU: 0 PID: 5097 Comm: syz.0.50 Not tainted syzkaller #0 [ 82.376122][ T5097] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.377477][ T5097] Call trace: [ 82.377952][ T5097] dump_backtrace+0x0/0x458 [ 82.378597][ T5097] show_stack+0x2c/0x3c [ 82.379178][ T5097] __dump_stack+0x30/0x40 [ 82.379768][ T5097] dump_stack_lvl+0xf4/0x15c [ 82.380388][ T5097] dump_stack+0x1c/0x5c [ 82.381021][ T5097] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 82.381816][ T5097] dccp_xmit_packet+0x298/0x448 [ 82.382479][ T5097] dccp_write_xmit+0x118/0x1d0 [ 82.383150][ T5097] dccp_sendmsg+0x550/0x8b8 [ 82.383776][ T5097] inet_sendmsg+0x154/0x284 [ 82.384401][ T5097] __sys_sendto+0x30c/0x420 [ 82.385078][ T5097] __arm64_sys_sendto+0xd8/0xf8 [ 82.385748][ T5097] invoke_syscall+0x98/0x2b0 [ 82.386388][ T5097] el0_svc_common+0x138/0x258 [ 82.387064][ T5097] do_el0_svc+0x58/0x13c [ 82.387668][ T5097] el0_svc+0x78/0x1d0 [ 82.388229][ T5097] el0t_64_sync_handler+0xcc/0xe4 [ 82.388943][ T5097] el0t_64_sync+0x1a0/0x1a4 [ 82.389775][ T5097] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 82.391387][ T5097] CPU: 0 PID: 5097 Comm: syz.0.50 Not tainted syzkaller #0 [ 82.392387][ T5097] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.393779][ T5097] Call trace: [ 82.394243][ T5097] dump_backtrace+0x0/0x458 [ 82.394935][ T5097] show_stack+0x2c/0x3c [ 82.395568][ T5097] __dump_stack+0x30/0x40 [ 82.396187][ T5097] dump_stack_lvl+0xf4/0x15c [ 82.396879][ T5097] dump_stack+0x1c/0x5c [ 82.397522][ T5097] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 82.398325][ T5097] dccp_xmit_packet+0x298/0x448 [ 82.399047][ T5097] dccp_write_xmit+0x118/0x1d0 [ 82.399800][ T5097] dccp_sendmsg+0x550/0x8b8 [ 82.400439][ T5097] inet_sendmsg+0x154/0x284 [ 82.401111][ T5097] __sys_sendto+0x30c/0x420 [ 82.401786][ T5097] __arm64_sys_sendto+0xd8/0xf8 [ 82.402473][ T5097] invoke_syscall+0x98/0x2b0 [ 82.403141][ T5097] el0_svc_common+0x138/0x258 [ 82.403838][ T5097] do_el0_svc+0x58/0x13c [ 82.404458][ T5097] el0_svc+0x78/0x1d0 [ 82.405049][ T5097] el0t_64_sync_handler+0xcc/0xe4 [ 82.405766][ T5097] el0t_64_sync+0x1a0/0x1a4 [ 82.425030][ T5099] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 82.426826][ T5099] CPU: 1 PID: 5099 Comm: syz.0.51 Not tainted syzkaller #0 [ 82.427833][ T5099] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.429298][ T5099] Call trace: [ 82.429781][ T5099] dump_backtrace+0x0/0x458 [ 82.430471][ T5099] show_stack+0x2c/0x3c [ 82.431094][ T5099] __dump_stack+0x30/0x40 [ 82.431729][ T5099] dump_stack_lvl+0xf4/0x15c [ 82.432400][ T5099] dump_stack+0x1c/0x5c [ 82.432979][ T5099] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 82.433793][ T5099] dccp_xmit_packet+0x298/0x448 [ 82.434547][ T5099] dccp_write_xmit+0x118/0x1d0 [ 82.435241][ T5099] dccp_sendmsg+0x550/0x8b8 [ 82.435927][ T5099] inet_sendmsg+0x154/0x284 [ 82.436577][ T5099] __sys_sendto+0x30c/0x420 [ 82.437234][ T5099] __arm64_sys_sendto+0xd8/0xf8 [ 82.437970][ T5099] invoke_syscall+0x98/0x2b0 [ 82.438666][ T5099] el0_svc_common+0x138/0x258 [ 82.439417][ T5099] do_el0_svc+0x58/0x13c [ 82.440087][ T5099] el0_svc+0x78/0x1d0 [ 82.440693][ T5099] el0t_64_sync_handler+0xcc/0xe4 [ 82.441460][ T5099] el0t_64_sync+0x1a0/0x1a4 [ 82.443056][ T5099] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 82.444806][ T5099] CPU: 1 PID: 5099 Comm: syz.0.51 Not tainted syzkaller #0 [ 82.445943][ T5099] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.447420][ T5099] Call trace: [ 82.447917][ T5099] dump_backtrace+0x0/0x458 [ 82.448576][ T5099] show_stack+0x2c/0x3c [ 82.449174][ T5099] __dump_stack+0x30/0x40 [ 82.449831][ T5099] dump_stack_lvl+0xf4/0x15c [ 82.450471][ T5099] dump_stack+0x1c/0x5c [ 82.451039][ T5099] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 82.451979][ T5099] dccp_xmit_packet+0x298/0x448 [ 82.452823][ T5099] dccp_write_xmit+0x118/0x1d0 [ 82.453616][ T5099] dccp_sendmsg+0x550/0x8b8 [ 82.454381][ T5099] inet_sendmsg+0x154/0x284 [ 82.455160][ T5099] __sys_sendto+0x30c/0x420 [ 82.455877][ T5099] __arm64_sys_sendto+0xd8/0xf8 [ 82.456539][ T5099] invoke_syscall+0x98/0x2b0 [ 82.457248][ T5099] el0_svc_common+0x138/0x258 [ 82.457991][ T5099] do_el0_svc+0x58/0x13c [ 82.458655][ T5099] el0_svc+0x78/0x1d0 [ 82.459291][ T5099] el0t_64_sync_handler+0xcc/0xe4 [ 82.460052][ T5099] el0t_64_sync+0x1a0/0x1a4 [ 82.461584][ T5099] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 82.463280][ T5099] CPU: 1 PID: 5099 Comm: syz.0.51 Not tainted syzkaller #0 [ 82.464419][ T5099] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.466013][ T5099] Call trace: [ 82.466495][ T5099] dump_backtrace+0x0/0x458 [ 82.467222][ T5099] show_stack+0x2c/0x3c [ 82.467816][ T5099] __dump_stack+0x30/0x40 [ 82.468508][ T5099] dump_stack_lvl+0xf4/0x15c [ 82.469227][ T5099] dump_stack+0x1c/0x5c [ 82.469822][ T5099] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 82.470659][ T5099] dccp_xmit_packet+0x298/0x448 [ 82.471400][ T5099] dccp_write_xmit+0x118/0x1d0 [ 82.472105][ T5099] dccp_sendmsg+0x550/0x8b8 [ 82.472836][ T5099] inet_sendmsg+0x154/0x284 [ 82.473494][ T5099] __sys_sendto+0x30c/0x420 [ 82.474183][ T5099] __arm64_sys_sendto+0xd8/0xf8 [ 82.474963][ T5099] invoke_syscall+0x98/0x2b0 [ 82.475633][ T5099] el0_svc_common+0x138/0x258 [ 82.476385][ T5099] do_el0_svc+0x58/0x13c [ 82.477005][ T5099] el0_svc+0x78/0x1d0 [ 82.477581][ T5099] el0t_64_sync_handler+0xcc/0xe4 [ 82.478334][ T5099] el0t_64_sync+0x1a0/0x1a4 [ 82.479134][ T5099] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 82.480706][ T5099] CPU: 1 PID: 5099 Comm: syz.0.51 Not tainted syzkaller #0 [ 82.481697][ T5099] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.483118][ T5099] Call trace: [ 82.483597][ T5099] dump_backtrace+0x0/0x458 [ 82.484263][ T5099] show_stack+0x2c/0x3c [ 82.484826][ T5099] __dump_stack+0x30/0x40 [ 82.485423][ T5099] dump_stack_lvl+0xf4/0x15c [ 82.486050][ T5099] dump_stack+0x1c/0x5c [ 82.486637][ T5099] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 82.487370][ T5099] dccp_xmit_packet+0x298/0x448 [ 82.488097][ T5099] dccp_write_xmit+0x118/0x1d0 [ 82.488769][ T5099] dccp_sendmsg+0x550/0x8b8 [ 82.489458][ T5099] inet_sendmsg+0x154/0x284 [ 82.490134][ T5099] __sys_sendto+0x30c/0x420 [ 82.490786][ T5099] __arm64_sys_sendto+0xd8/0xf8 [ 82.491488][ T5099] invoke_syscall+0x98/0x2b0 [ 82.492127][ T5099] el0_svc_common+0x138/0x258 [ 82.492798][ T5099] do_el0_svc+0x58/0x13c [ 82.493398][ T5099] el0_svc+0x78/0x1d0 [ 82.493976][ T5099] el0t_64_sync_handler+0xcc/0xe4 [ 82.494755][ T5099] el0t_64_sync+0x1a0/0x1a4 [ 82.495552][ T5099] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 82.497207][ T5099] CPU: 1 PID: 5099 Comm: syz.0.51 Not tainted syzkaller #0 [ 82.498273][ T5099] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.499767][ T5099] Call trace: [ 82.500219][ T5099] dump_backtrace+0x0/0x458 [ 82.500895][ T5099] show_stack+0x2c/0x3c [ 82.501500][ T5099] __dump_stack+0x30/0x40 [ 82.502132][ T5099] dump_stack_lvl+0xf4/0x15c [ 82.502763][ T5099] dump_stack+0x1c/0x5c [ 82.503339][ T5099] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 82.504093][ T5099] dccp_xmit_packet+0x298/0x448 [ 82.504783][ T5099] dccp_write_xmit+0x118/0x1d0 [ 82.505459][ T5099] dccp_sendmsg+0x550/0x8b8 [ 82.506078][ T5099] inet_sendmsg+0x154/0x284 [ 82.506759][ T5099] __sys_sendto+0x30c/0x420 [ 82.507395][ T5099] __arm64_sys_sendto+0xd8/0xf8 [ 82.508151][ T5099] invoke_syscall+0x98/0x2b0 [ 82.508893][ T5099] el0_svc_common+0x138/0x258 [ 82.509610][ T5099] do_el0_svc+0x58/0x13c [ 82.510213][ T5099] el0_svc+0x78/0x1d0 [ 82.510791][ T5099] el0t_64_sync_handler+0xcc/0xe4 [ 82.511518][ T5099] el0t_64_sync+0x1a0/0x1a4 [ 82.512432][ T5099] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 82.514013][ T5099] CPU: 1 PID: 5099 Comm: syz.0.51 Not tainted syzkaller #0 [ 82.515039][ T5099] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.516562][ T5099] Call trace: [ 82.517023][ T5099] dump_backtrace+0x0/0x458 [ 82.517703][ T5099] show_stack+0x2c/0x3c [ 82.518308][ T5099] __dump_stack+0x30/0x40 [ 82.518984][ T5099] dump_stack_lvl+0xf4/0x15c [ 82.519689][ T5099] dump_stack+0x1c/0x5c [ 82.520289][ T5099] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 82.521093][ T5099] dccp_xmit_packet+0x298/0x448 [ 82.521829][ T5099] dccp_write_xmit+0x118/0x1d0 [ 82.522569][ T5099] dccp_sendmsg+0x550/0x8b8 [ 82.523212][ T5099] inet_sendmsg+0x154/0x284 [ 82.523888][ T5099] __sys_sendto+0x30c/0x420 [ 82.524572][ T5099] __arm64_sys_sendto+0xd8/0xf8 [ 82.525295][ T5099] invoke_syscall+0x98/0x2b0 [ 82.525997][ T5099] el0_svc_common+0x138/0x258 [ 82.526692][ T5099] do_el0_svc+0x58/0x13c [ 82.527329][ T5099] el0_svc+0x78/0x1d0 [ 82.527881][ T5099] el0t_64_sync_handler+0xcc/0xe4 [ 82.528573][ T5099] el0t_64_sync+0x1a0/0x1a4 [ 82.529381][ T5099] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 82.530956][ T5099] CPU: 1 PID: 5099 Comm: syz.0.51 Not tainted syzkaller #0 [ 82.531926][ T5099] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.533317][ T5099] Call trace: [ 82.533778][ T5099] dump_backtrace+0x0/0x458 [ 82.534486][ T5099] show_stack+0x2c/0x3c [ 82.535082][ T5099] __dump_stack+0x30/0x40 [ 82.535733][ T5099] dump_stack_lvl+0xf4/0x15c [ 82.536448][ T5099] dump_stack+0x1c/0x5c [ 82.537074][ T5099] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 82.537835][ T5099] dccp_xmit_packet+0x298/0x448 [ 82.538546][ T5099] dccp_write_xmit+0x118/0x1d0 [ 82.539257][ T5099] dccp_sendmsg+0x550/0x8b8 [ 82.539990][ T5099] inet_sendmsg+0x154/0x284 [ 82.540680][ T5099] __sys_sendto+0x30c/0x420 [ 82.541342][ T5099] __arm64_sys_sendto+0xd8/0xf8 [ 82.542032][ T5099] invoke_syscall+0x98/0x2b0 [ 82.542715][ T5099] el0_svc_common+0x138/0x258 [ 82.543427][ T5099] do_el0_svc+0x58/0x13c [ 82.544062][ T5099] el0_svc+0x78/0x1d0 [ 82.544686][ T5099] el0t_64_sync_handler+0xcc/0xe4 [ 82.545385][ T5099] el0t_64_sync+0x1a0/0x1a4 [ 82.546162][ T5099] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 82.547679][ T5099] CPU: 1 PID: 5099 Comm: syz.0.51 Not tainted syzkaller #0 [ 82.548722][ T5099] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.550199][ T5099] Call trace: [ 82.550637][ T5099] dump_backtrace+0x0/0x458 [ 82.551247][ T5099] show_stack+0x2c/0x3c [ 82.551878][ T5099] __dump_stack+0x30/0x40 [ 82.552521][ T5099] dump_stack_lvl+0xf4/0x15c [ 82.553192][ T5099] dump_stack+0x1c/0x5c [ 82.553786][ T5099] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 82.554550][ T5099] dccp_xmit_packet+0x298/0x448 [ 82.555275][ T5099] dccp_write_xmit+0x118/0x1d0 [ 82.556008][ T5099] dccp_sendmsg+0x550/0x8b8 [ 82.556670][ T5099] inet_sendmsg+0x154/0x284 [ 82.557320][ T5099] __sys_sendto+0x30c/0x420 [ 82.558012][ T5099] __arm64_sys_sendto+0xd8/0xf8 [ 82.558693][ T5099] invoke_syscall+0x98/0x2b0 [ 82.559346][ T5099] el0_svc_common+0x138/0x258 [ 82.560093][ T5099] do_el0_svc+0x58/0x13c [ 82.560718][ T5099] el0_svc+0x78/0x1d0 [ 82.561318][ T5099] el0t_64_sync_handler+0xcc/0xe4 [ 82.562226][ T5099] el0t_64_sync+0x1a0/0x1a4 [ 82.563306][ T5099] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 82.565174][ T5099] CPU: 1 PID: 5099 Comm: syz.0.51 Not tainted syzkaller #0 [ 82.566252][ T5099] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.567721][ T5099] Call trace: [ 82.568215][ T5099] dump_backtrace+0x0/0x458 [ 82.568906][ T5099] show_stack+0x2c/0x3c [ 82.569532][ T5099] __dump_stack+0x30/0x40 [ 82.570244][ T5099] dump_stack_lvl+0xf4/0x15c [ 82.570997][ T5099] dump_stack+0x1c/0x5c [ 82.571622][ T5099] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 82.572471][ T5099] dccp_xmit_packet+0x298/0x448 [ 82.573178][ T5099] dccp_write_xmit+0x118/0x1d0 [ 82.573828][ T5099] dccp_sendmsg+0x550/0x8b8 [ 82.574430][ T5099] inet_sendmsg+0x154/0x284 [ 82.575059][ T5099] __sys_sendto+0x30c/0x420 [ 82.575708][ T5099] __arm64_sys_sendto+0xd8/0xf8 [ 82.576385][ T5099] invoke_syscall+0x98/0x2b0 [ 82.577074][ T5099] el0_svc_common+0x138/0x258 [ 82.577789][ T5099] do_el0_svc+0x58/0x13c [ 82.578404][ T5099] el0_svc+0x78/0x1d0 [ 82.578994][ T5099] el0t_64_sync_handler+0xcc/0xe4 [ 82.579713][ T5099] el0t_64_sync+0x1a0/0x1a4 [ 82.580527][ T5099] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 82.582069][ T5099] CPU: 1 PID: 5099 Comm: syz.0.51 Not tainted syzkaller #0 [ 82.583050][ T5099] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.584537][ T5099] Call trace: [ 82.584976][ T5099] dump_backtrace+0x0/0x458 [ 82.585643][ T5099] show_stack+0x2c/0x3c [ 82.586266][ T5099] __dump_stack+0x30/0x40 [ 82.586895][ T5099] dump_stack_lvl+0xf4/0x15c [ 82.587581][ T5099] dump_stack+0x1c/0x5c [ 82.588141][ T5099] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 82.588980][ T5099] dccp_xmit_packet+0x298/0x448 [ 82.589649][ T5099] dccp_write_xmit+0x118/0x1d0 [ 82.590356][ T5099] dccp_sendmsg+0x550/0x8b8 [ 82.591060][ T5099] inet_sendmsg+0x154/0x284 [ 82.591723][ T5099] __sys_sendto+0x30c/0x420 [ 82.592361][ T5099] __arm64_sys_sendto+0xd8/0xf8 [ 82.593085][ T5099] invoke_syscall+0x98/0x2b0 [ 82.593780][ T5099] el0_svc_common+0x138/0x258 [ 82.594432][ T5099] do_el0_svc+0x58/0x13c [ 82.595024][ T5099] el0_svc+0x78/0x1d0 [ 82.595597][ T5099] el0t_64_sync_handler+0xcc/0xe4 [ 82.596309][ T5099] el0t_64_sync+0x1a0/0x1a4 [ 82.597186][ T5099] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 82.598866][ T5099] CPU: 1 PID: 5099 Comm: syz.0.51 Not tainted syzkaller #0 [ 82.599931][ T5099] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.601390][ T5099] Call trace: [ 82.601858][ T5099] dump_backtrace+0x0/0x458 [ 82.602519][ T5099] show_stack+0x2c/0x3c [ 82.603113][ T5099] __dump_stack+0x30/0x40 [ 82.603749][ T5099] dump_stack_lvl+0xf4/0x15c [ 82.604452][ T5099] dump_stack+0x1c/0x5c [ 82.605060][ T5099] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 82.605878][ T5099] dccp_xmit_packet+0x298/0x448 [ 82.606591][ T5099] dccp_write_xmit+0x118/0x1d0 [ 82.607285][ T5099] dccp_sendmsg+0x550/0x8b8 [ 82.607949][ T5099] inet_sendmsg+0x154/0x284 [ 82.608641][ T5099] __sys_sendto+0x30c/0x420 [ 82.609279][ T5099] __arm64_sys_sendto+0xd8/0xf8 [ 82.610021][ T5099] invoke_syscall+0x98/0x2b0 [ 82.610741][ T5099] el0_svc_common+0x138/0x258 [ 82.611462][ T5099] do_el0_svc+0x58/0x13c [ 82.612061][ T5099] el0_svc+0x78/0x1d0 [ 82.612664][ T5099] el0t_64_sync_handler+0xcc/0xe4 [ 82.613379][ T5099] el0t_64_sync+0x1a0/0x1a4 [ 82.614154][ T5099] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 82.615838][ T5099] CPU: 1 PID: 5099 Comm: syz.0.51 Not tainted syzkaller #0 [ 82.616882][ T5099] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.618385][ T5099] Call trace: [ 82.618858][ T5099] dump_backtrace+0x0/0x458 [ 82.619555][ T5099] show_stack+0x2c/0x3c [ 82.620138][ T5099] __dump_stack+0x30/0x40 [ 82.620804][ T5099] dump_stack_lvl+0xf4/0x15c [ 82.621479][ T5099] dump_stack+0x1c/0x5c [ 82.622070][ T5099] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 82.622854][ T5099] dccp_xmit_packet+0x298/0x448 [ 82.623577][ T5099] dccp_write_xmit+0x118/0x1d0 [ 82.624275][ T5099] dccp_sendmsg+0x550/0x8b8 [ 82.624957][ T5099] inet_sendmsg+0x154/0x284 [ 82.625668][ T5099] __sys_sendto+0x30c/0x420 [ 82.626364][ T5099] __arm64_sys_sendto+0xd8/0xf8 [ 82.627043][ T5099] invoke_syscall+0x98/0x2b0 [ 82.627705][ T5099] el0_svc_common+0x138/0x258 [ 82.628367][ T5099] do_el0_svc+0x58/0x13c [ 82.628987][ T5099] el0_svc+0x78/0x1d0 [ 82.629530][ T5099] el0t_64_sync_handler+0xcc/0xe4 [ 82.630336][ T5099] el0t_64_sync+0x1a0/0x1a4 [ 82.631171][ T5099] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 82.632753][ T5099] CPU: 1 PID: 5099 Comm: syz.0.51 Not tainted syzkaller #0 [ 82.633767][ T5099] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.635224][ T5099] Call trace: [ 82.635720][ T5099] dump_backtrace+0x0/0x458 [ 82.636348][ T5099] show_stack+0x2c/0x3c [ 82.636936][ T5099] __dump_stack+0x30/0x40 [ 82.637558][ T5099] dump_stack_lvl+0xf4/0x15c [ 82.638236][ T5099] dump_stack+0x1c/0x5c [ 82.638862][ T5099] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 82.639690][ T5099] dccp_xmit_packet+0x298/0x448 [ 82.640412][ T5099] dccp_write_xmit+0x118/0x1d0 [ 82.641097][ T5099] dccp_sendmsg+0x550/0x8b8 [ 82.641762][ T5099] inet_sendmsg+0x154/0x284 [ 82.642402][ T5099] __sys_sendto+0x30c/0x420 [ 82.643035][ T5099] __arm64_sys_sendto+0xd8/0xf8 [ 82.643746][ T5099] invoke_syscall+0x98/0x2b0 [ 82.644418][ T5099] el0_svc_common+0x138/0x258 [ 82.645140][ T5099] do_el0_svc+0x58/0x13c [ 82.645750][ T5099] el0_svc+0x78/0x1d0 [ 82.646362][ T5099] el0t_64_sync_handler+0xcc/0xe4 [ 82.647096][ T5099] el0t_64_sync+0x1a0/0x1a4 [ 82.647936][ T5099] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 82.649526][ T5099] CPU: 1 PID: 5099 Comm: syz.0.51 Not tainted syzkaller #0 [ 82.650560][ T5099] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.652057][ T5099] Call trace: [ 82.652483][ T5099] dump_backtrace+0x0/0x458 [ 82.653141][ T5099] show_stack+0x2c/0x3c [ 82.653695][ T5099] __dump_stack+0x30/0x40 [ 82.654347][ T5099] dump_stack_lvl+0xf4/0x15c [ 82.655033][ T5099] dump_stack+0x1c/0x5c [ 82.655650][ T5099] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 82.656680][ T5099] dccp_xmit_packet+0x298/0x448 [ 82.657431][ T5099] dccp_write_xmit+0x118/0x1d0 [ 82.658195][ T5099] dccp_sendmsg+0x550/0x8b8 [ 82.658954][ T5099] inet_sendmsg+0x154/0x284 [ 82.659696][ T5099] __sys_sendto+0x30c/0x420 [ 82.660403][ T5099] __arm64_sys_sendto+0xd8/0xf8 [ 82.661123][ T5099] invoke_syscall+0x98/0x2b0 [ 82.661928][ T5099] el0_svc_common+0x138/0x258 [ 82.662631][ T5099] do_el0_svc+0x58/0x13c [ 82.663274][ T5099] el0_svc+0x78/0x1d0 [ 82.663876][ T5099] el0t_64_sync_handler+0xcc/0xe4 [ 82.664636][ T5099] el0t_64_sync+0x1a0/0x1a4 [ 82.682867][ T5101] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 82.684702][ T5101] CPU: 0 PID: 5101 Comm: syz.0.52 Not tainted syzkaller #0 [ 82.685840][ T5101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.687304][ T5101] Call trace: [ 82.687751][ T5101] dump_backtrace+0x0/0x458 [ 82.688419][ T5101] show_stack+0x2c/0x3c [ 82.689079][ T5101] __dump_stack+0x30/0x40 [ 82.689700][ T5101] dump_stack_lvl+0xf4/0x15c [ 82.690353][ T5101] dump_stack+0x1c/0x5c [ 82.690957][ T5101] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 82.691791][ T5101] dccp_xmit_packet+0x298/0x448 [ 82.692490][ T5101] dccp_write_xmit+0x118/0x1d0 [ 82.693156][ T5101] dccp_sendmsg+0x550/0x8b8 [ 82.693767][ T5101] inet_sendmsg+0x154/0x284 [ 82.694420][ T5101] __sys_sendto+0x30c/0x420 [ 82.695080][ T5101] __arm64_sys_sendto+0xd8/0xf8 [ 82.695826][ T5101] invoke_syscall+0x98/0x2b0 [ 82.696534][ T5101] el0_svc_common+0x138/0x258 [ 82.697258][ T5101] do_el0_svc+0x58/0x13c [ 82.697898][ T5101] el0_svc+0x78/0x1d0 [ 82.698556][ T5101] el0t_64_sync_handler+0xcc/0xe4 [ 82.699294][ T5101] el0t_64_sync+0x1a0/0x1a4 [ 82.700680][ T5101] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 82.702431][ T5101] CPU: 0 PID: 5101 Comm: syz.0.52 Not tainted syzkaller #0 [ 82.703589][ T5101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.705173][ T5101] Call trace: [ 82.705696][ T5101] dump_backtrace+0x0/0x458 [ 82.706418][ T5101] show_stack+0x2c/0x3c [ 82.707049][ T5101] __dump_stack+0x30/0x40 [ 82.707722][ T5101] dump_stack_lvl+0xf4/0x15c [ 82.708436][ T5101] dump_stack+0x1c/0x5c [ 82.709063][ T5101] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 82.709945][ T5101] dccp_xmit_packet+0x298/0x448 [ 82.710698][ T5101] dccp_write_xmit+0x118/0x1d0 [ 82.711453][ T5101] dccp_sendmsg+0x550/0x8b8 [ 82.712144][ T5101] inet_sendmsg+0x154/0x284 [ 82.712773][ T5101] __sys_sendto+0x30c/0x420 [ 82.713437][ T5101] __arm64_sys_sendto+0xd8/0xf8 [ 82.714197][ T5101] invoke_syscall+0x98/0x2b0 [ 82.714859][ T5101] el0_svc_common+0x138/0x258 [ 82.715552][ T5101] do_el0_svc+0x58/0x13c [ 82.716180][ T5101] el0_svc+0x78/0x1d0 [ 82.716749][ T5101] el0t_64_sync_handler+0xcc/0xe4 [ 82.717490][ T5101] el0t_64_sync+0x1a0/0x1a4 [ 82.719364][ T5101] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 82.721113][ T5101] CPU: 0 PID: 5101 Comm: syz.0.52 Not tainted syzkaller #0 [ 82.722321][ T5101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.723816][ T5101] Call trace: [ 82.724296][ T5101] dump_backtrace+0x0/0x458 [ 82.725027][ T5101] show_stack+0x2c/0x3c [ 82.725721][ T5101] __dump_stack+0x30/0x40 [ 82.726457][ T5101] dump_stack_lvl+0xf4/0x15c [ 82.727193][ T5101] dump_stack+0x1c/0x5c [ 82.727808][ T5101] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 82.728717][ T5101] dccp_xmit_packet+0x298/0x448 [ 82.729462][ T5101] dccp_write_xmit+0x118/0x1d0 [ 82.730191][ T5101] dccp_sendmsg+0x550/0x8b8 [ 82.730856][ T5101] inet_sendmsg+0x154/0x284 [ 82.731500][ T5101] __sys_sendto+0x30c/0x420 [ 82.732143][ T5101] __arm64_sys_sendto+0xd8/0xf8 [ 82.732888][ T5101] invoke_syscall+0x98/0x2b0 [ 82.733571][ T5101] el0_svc_common+0x138/0x258 [ 82.734267][ T5101] do_el0_svc+0x58/0x13c [ 82.734998][ T5101] el0_svc+0x78/0x1d0 [ 82.735658][ T5101] el0t_64_sync_handler+0xcc/0xe4 [ 82.736486][ T5101] el0t_64_sync+0x1a0/0x1a4 [ 82.737429][ T5101] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 82.739160][ T5101] CPU: 0 PID: 5101 Comm: syz.0.52 Not tainted syzkaller #0 [ 82.740239][ T5101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.741614][ T5101] Call trace: [ 82.742089][ T5101] dump_backtrace+0x0/0x458 [ 82.742731][ T5101] show_stack+0x2c/0x3c [ 82.743350][ T5101] __dump_stack+0x30/0x40 [ 82.743972][ T5101] dump_stack_lvl+0xf4/0x15c [ 82.744633][ T5101] dump_stack+0x1c/0x5c [ 82.745249][ T5101] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 82.746034][ T5101] dccp_xmit_packet+0x298/0x448 [ 82.746718][ T5101] dccp_write_xmit+0x118/0x1d0 [ 82.747390][ T5101] dccp_sendmsg+0x550/0x8b8 [ 82.748046][ T5101] inet_sendmsg+0x154/0x284 [ 82.748719][ T5101] __sys_sendto+0x30c/0x420 [ 82.749384][ T5101] __arm64_sys_sendto+0xd8/0xf8 [ 82.750090][ T5101] invoke_syscall+0x98/0x2b0 [ 82.750847][ T5101] el0_svc_common+0x138/0x258 [ 82.751549][ T5101] do_el0_svc+0x58/0x13c [ 82.752215][ T5101] el0_svc+0x78/0x1d0 [ 82.752837][ T5101] el0t_64_sync_handler+0xcc/0xe4 [ 82.753592][ T5101] el0t_64_sync+0x1a0/0x1a4 [ 82.754480][ T5101] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 82.756193][ T5101] CPU: 0 PID: 5101 Comm: syz.0.52 Not tainted syzkaller #0 [ 82.757302][ T5101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.758732][ T5101] Call trace: [ 82.759192][ T5101] dump_backtrace+0x0/0x458 [ 82.759816][ T5101] show_stack+0x2c/0x3c [ 82.760443][ T5101] __dump_stack+0x30/0x40 [ 82.761137][ T5101] dump_stack_lvl+0xf4/0x15c [ 82.761798][ T5101] dump_stack+0x1c/0x5c [ 82.762413][ T5101] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 82.763244][ T5101] dccp_xmit_packet+0x298/0x448 [ 82.763957][ T5101] dccp_write_xmit+0x118/0x1d0 [ 82.764684][ T5101] dccp_sendmsg+0x550/0x8b8 [ 82.765327][ T5101] inet_sendmsg+0x154/0x284 [ 82.766005][ T5101] __sys_sendto+0x30c/0x420 [ 82.766664][ T5101] __arm64_sys_sendto+0xd8/0xf8 [ 82.767372][ T5101] invoke_syscall+0x98/0x2b0 [ 82.768012][ T5101] el0_svc_common+0x138/0x258 [ 82.768680][ T5101] do_el0_svc+0x58/0x13c [ 82.769247][ T5101] el0_svc+0x78/0x1d0 [ 82.769833][ T5101] el0t_64_sync_handler+0xcc/0xe4 [ 82.770578][ T5101] el0t_64_sync+0x1a0/0x1a4 [ 82.771522][ T5101] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 82.773326][ T5101] CPU: 0 PID: 5101 Comm: syz.0.52 Not tainted syzkaller #0 [ 82.774328][ T5101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.775839][ T5101] Call trace: [ 82.776280][ T5101] dump_backtrace+0x0/0x458 [ 82.776983][ T5101] show_stack+0x2c/0x3c [ 82.777585][ T5101] __dump_stack+0x30/0x40 [ 82.778225][ T5101] dump_stack_lvl+0xf4/0x15c [ 82.778908][ T5101] dump_stack+0x1c/0x5c [ 82.779523][ T5101] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 82.780300][ T5101] dccp_xmit_packet+0x298/0x448 [ 82.780979][ T5101] dccp_write_xmit+0x118/0x1d0 [ 82.781709][ T5101] dccp_sendmsg+0x550/0x8b8 [ 82.782349][ T5101] inet_sendmsg+0x154/0x284 [ 82.783030][ T5101] __sys_sendto+0x30c/0x420 [ 82.783705][ T5101] __arm64_sys_sendto+0xd8/0xf8 [ 82.784406][ T5101] invoke_syscall+0x98/0x2b0 [ 82.785058][ T5101] el0_svc_common+0x138/0x258 [ 82.785735][ T5101] do_el0_svc+0x58/0x13c [ 82.786353][ T5101] el0_svc+0x78/0x1d0 [ 82.786917][ T5101] el0t_64_sync_handler+0xcc/0xe4 [ 82.787641][ T5101] el0t_64_sync+0x1a0/0x1a4 [ 82.788420][ T5101] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 82.790019][ T5101] CPU: 0 PID: 5101 Comm: syz.0.52 Not tainted syzkaller #0 [ 82.790982][ T5101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.792367][ T5101] Call trace: [ 82.792825][ T5101] dump_backtrace+0x0/0x458 [ 82.793446][ T5101] show_stack+0x2c/0x3c [ 82.794042][ T5101] __dump_stack+0x30/0x40 [ 82.794651][ T5101] dump_stack_lvl+0xf4/0x15c [ 82.795307][ T5101] dump_stack+0x1c/0x5c [ 82.795886][ T5101] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 82.796723][ T5101] dccp_xmit_packet+0x298/0x448 [ 82.797406][ T5101] dccp_write_xmit+0x118/0x1d0 [ 82.798106][ T5101] dccp_sendmsg+0x550/0x8b8 [ 82.798751][ T5101] inet_sendmsg+0x154/0x284 [ 82.799381][ T5101] __sys_sendto+0x30c/0x420 [ 82.800072][ T5101] __arm64_sys_sendto+0xd8/0xf8 [ 82.800807][ T5101] invoke_syscall+0x98/0x2b0 [ 82.801482][ T5101] el0_svc_common+0x138/0x258 [ 82.802153][ T5101] do_el0_svc+0x58/0x13c [ 82.802790][ T5101] el0_svc+0x78/0x1d0 [ 82.803371][ T5101] el0t_64_sync_handler+0xcc/0xe4 [ 82.804085][ T5101] el0t_64_sync+0x1a0/0x1a4 [ 82.805160][ T5101] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 82.806813][ T5101] CPU: 0 PID: 5101 Comm: syz.0.52 Not tainted syzkaller #0 [ 82.807768][ T5101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.809193][ T5101] Call trace: [ 82.809664][ T5101] dump_backtrace+0x0/0x458 [ 82.810296][ T5101] show_stack+0x2c/0x3c [ 82.810904][ T5101] __dump_stack+0x30/0x40 [ 82.811508][ T5101] dump_stack_lvl+0xf4/0x15c [ 82.812217][ T5101] dump_stack+0x1c/0x5c [ 82.812810][ T5101] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 82.813561][ T5101] dccp_xmit_packet+0x298/0x448 [ 82.814248][ T5101] dccp_write_xmit+0x118/0x1d0 [ 82.814909][ T5101] dccp_sendmsg+0x550/0x8b8 [ 82.815544][ T5101] inet_sendmsg+0x154/0x284 [ 82.816253][ T5101] __sys_sendto+0x30c/0x420 [ 82.816904][ T5101] __arm64_sys_sendto+0xd8/0xf8 [ 82.817662][ T5101] invoke_syscall+0x98/0x2b0 [ 82.818347][ T5101] el0_svc_common+0x138/0x258 [ 82.819043][ T5101] do_el0_svc+0x58/0x13c [ 82.819676][ T5101] el0_svc+0x78/0x1d0 [ 82.820273][ T5101] el0t_64_sync_handler+0xcc/0xe4 [ 82.821011][ T5101] el0t_64_sync+0x1a0/0x1a4 [ 82.821808][ T5101] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 82.823496][ T5101] CPU: 0 PID: 5101 Comm: syz.0.52 Not tainted syzkaller #0 [ 82.824525][ T5101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.825965][ T5101] Call trace: [ 82.826413][ T5101] dump_backtrace+0x0/0x458 [ 82.827082][ T5101] show_stack+0x2c/0x3c [ 82.827729][ T5101] __dump_stack+0x30/0x40 [ 82.828366][ T5101] dump_stack_lvl+0xf4/0x15c [ 82.829052][ T5101] dump_stack+0x1c/0x5c [ 82.829643][ T5101] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 82.830456][ T5101] dccp_xmit_packet+0x298/0x448 [ 82.831164][ T5101] dccp_write_xmit+0x118/0x1d0 [ 82.831890][ T5101] dccp_sendmsg+0x550/0x8b8 [ 82.832580][ T5101] inet_sendmsg+0x154/0x284 [ 82.833259][ T5101] __sys_sendto+0x30c/0x420 [ 82.833901][ T5101] __arm64_sys_sendto+0xd8/0xf8 [ 82.834633][ T5101] invoke_syscall+0x98/0x2b0 [ 82.835292][ T5101] el0_svc_common+0x138/0x258 [ 82.835959][ T5101] do_el0_svc+0x58/0x13c [ 82.836552][ T5101] el0_svc+0x78/0x1d0 [ 82.837118][ T5101] el0t_64_sync_handler+0xcc/0xe4 [ 82.837831][ T5101] el0t_64_sync+0x1a0/0x1a4 [ 82.838649][ T5101] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 82.840203][ T5101] CPU: 0 PID: 5101 Comm: syz.0.52 Not tainted syzkaller #0 [ 82.841216][ T5101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.842580][ T5101] Call trace: [ 82.843037][ T5101] dump_backtrace+0x0/0x458 [ 82.843647][ T5101] show_stack+0x2c/0x3c [ 82.844242][ T5101] __dump_stack+0x30/0x40 [ 82.844872][ T5101] dump_stack_lvl+0xf4/0x15c [ 82.845582][ T5101] dump_stack+0x1c/0x5c [ 82.846173][ T5101] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 82.846923][ T5101] dccp_xmit_packet+0x298/0x448 [ 82.847600][ T5101] dccp_write_xmit+0x118/0x1d0 [ 82.848238][ T5101] dccp_sendmsg+0x550/0x8b8 [ 82.848879][ T5101] inet_sendmsg+0x154/0x284 [ 82.849588][ T5101] __sys_sendto+0x30c/0x420 [ 82.850183][ T5101] __arm64_sys_sendto+0xd8/0xf8 [ 82.850910][ T5101] invoke_syscall+0x98/0x2b0 [ 82.851589][ T5101] el0_svc_common+0x138/0x258 [ 82.852234][ T5101] do_el0_svc+0x58/0x13c [ 82.852840][ T5101] el0_svc+0x78/0x1d0 [ 82.853412][ T5101] el0t_64_sync_handler+0xcc/0xe4 [ 82.854198][ T5101] el0t_64_sync+0x1a0/0x1a4 [ 82.854972][ T5101] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 82.856558][ T5101] CPU: 0 PID: 5101 Comm: syz.0.52 Not tainted syzkaller #0 [ 82.857502][ T5101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.858929][ T5101] Call trace: [ 82.859388][ T5101] dump_backtrace+0x0/0x458 [ 82.859973][ T5101] show_stack+0x2c/0x3c [ 82.860564][ T5101] __dump_stack+0x30/0x40 [ 82.861240][ T5101] dump_stack_lvl+0xf4/0x15c [ 82.861922][ T5101] dump_stack+0x1c/0x5c [ 82.862499][ T5101] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 82.863278][ T5101] dccp_xmit_packet+0x298/0x448 [ 82.863907][ T5101] dccp_write_xmit+0x118/0x1d0 [ 82.864542][ T5101] dccp_sendmsg+0x550/0x8b8 [ 82.865144][ T5101] inet_sendmsg+0x154/0x284 [ 82.865760][ T5101] __sys_sendto+0x30c/0x420 [ 82.866343][ T5101] __arm64_sys_sendto+0xd8/0xf8 [ 82.867067][ T5101] invoke_syscall+0x98/0x2b0 [ 82.867717][ T5101] el0_svc_common+0x138/0x258 [ 82.868400][ T5101] do_el0_svc+0x58/0x13c [ 82.869035][ T5101] el0_svc+0x78/0x1d0 [ 82.869596][ T5101] el0t_64_sync_handler+0xcc/0xe4 [ 82.870296][ T5101] el0t_64_sync+0x1a0/0x1a4 [ 82.871234][ T5101] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 82.872861][ T5101] CPU: 0 PID: 5101 Comm: syz.0.52 Not tainted syzkaller #0 [ 82.873817][ T5101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.875269][ T5101] Call trace: [ 82.875752][ T5101] dump_backtrace+0x0/0x458 [ 82.876375][ T5101] show_stack+0x2c/0x3c [ 82.876980][ T5101] __dump_stack+0x30/0x40 [ 82.877605][ T5101] dump_stack_lvl+0xf4/0x15c [ 82.878241][ T5101] dump_stack+0x1c/0x5c [ 82.878836][ T5101] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 82.879654][ T5101] dccp_xmit_packet+0x298/0x448 [ 82.880350][ T5101] dccp_write_xmit+0x118/0x1d0 [ 82.881030][ T5101] dccp_sendmsg+0x550/0x8b8 [ 82.881714][ T5101] inet_sendmsg+0x154/0x284 [ 82.882352][ T5101] __sys_sendto+0x30c/0x420 [ 82.882998][ T5101] __arm64_sys_sendto+0xd8/0xf8 [ 82.883708][ T5101] invoke_syscall+0x98/0x2b0 [ 82.884415][ T5101] el0_svc_common+0x138/0x258 [ 82.885117][ T5101] do_el0_svc+0x58/0x13c [ 82.885741][ T5101] el0_svc+0x78/0x1d0 [ 82.886308][ T5101] el0t_64_sync_handler+0xcc/0xe4 [ 82.887051][ T5101] el0t_64_sync+0x1a0/0x1a4 [ 82.887851][ T5101] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 82.889433][ T5101] CPU: 0 PID: 5101 Comm: syz.0.52 Not tainted syzkaller #0 [ 82.890473][ T5101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.891850][ T5101] Call trace: [ 82.892297][ T5101] dump_backtrace+0x0/0x458 [ 82.892975][ T5101] show_stack+0x2c/0x3c [ 82.893536][ T5101] __dump_stack+0x30/0x40 [ 82.894156][ T5101] dump_stack_lvl+0xf4/0x15c [ 82.894852][ T5101] dump_stack+0x1c/0x5c [ 82.895447][ T5101] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 82.896336][ T5101] dccp_xmit_packet+0x298/0x448 [ 82.897057][ T5101] dccp_write_xmit+0x118/0x1d0 [ 82.897720][ T5101] dccp_sendmsg+0x550/0x8b8 [ 82.898401][ T5101] inet_sendmsg+0x154/0x284 [ 82.899075][ T5101] __sys_sendto+0x30c/0x420 [ 82.899738][ T5101] __arm64_sys_sendto+0xd8/0xf8 [ 82.900502][ T5101] invoke_syscall+0x98/0x2b0 [ 82.901165][ T5101] el0_svc_common+0x138/0x258 [ 82.901839][ T5101] do_el0_svc+0x58/0x13c [ 82.902430][ T5101] el0_svc+0x78/0x1d0 [ 82.903043][ T5101] el0t_64_sync_handler+0xcc/0xe4 [ 82.903817][ T5101] el0t_64_sync+0x1a0/0x1a4 [ 82.904669][ T5101] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 82.906516][ T5101] CPU: 0 PID: 5101 Comm: syz.0.52 Not tainted syzkaller #0 [ 82.907676][ T5101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.909179][ T5101] Call trace: [ 82.909688][ T5101] dump_backtrace+0x0/0x458 [ 82.910390][ T5101] show_stack+0x2c/0x3c [ 82.911006][ T5101] __dump_stack+0x30/0x40 [ 82.911616][ T5101] dump_stack_lvl+0xf4/0x15c [ 82.912334][ T5101] dump_stack+0x1c/0x5c [ 82.912961][ T5101] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 82.913792][ T5101] dccp_xmit_packet+0x298/0x448 [ 82.914472][ T5101] dccp_write_xmit+0x118/0x1d0 [ 82.915175][ T5101] dccp_sendmsg+0x550/0x8b8 [ 82.915845][ T5101] inet_sendmsg+0x154/0x284 [ 82.916525][ T5101] __sys_sendto+0x30c/0x420 [ 82.917224][ T5101] __arm64_sys_sendto+0xd8/0xf8 [ 82.917941][ T5101] invoke_syscall+0x98/0x2b0 [ 82.918602][ T5101] el0_svc_common+0x138/0x258 [ 82.919288][ T5101] do_el0_svc+0x58/0x13c [ 82.919899][ T5101] el0_svc+0x78/0x1d0 [ 82.920463][ T5101] el0t_64_sync_handler+0xcc/0xe4 [ 82.921192][ T5101] el0t_64_sync+0x1a0/0x1a4 [ 82.922316][ T5101] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 82.924069][ T5101] CPU: 0 PID: 5101 Comm: syz.0.52 Not tainted syzkaller #0 [ 82.925210][ T5101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.926792][ T5101] Call trace: [ 82.927277][ T5101] dump_backtrace+0x0/0x458 [ 82.927974][ T5101] show_stack+0x2c/0x3c [ 82.928630][ T5101] __dump_stack+0x30/0x40 [ 82.929333][ T5101] dump_stack_lvl+0xf4/0x15c [ 82.930044][ T5101] dump_stack+0x1c/0x5c [ 82.930688][ T5101] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 82.931598][ T5101] dccp_xmit_packet+0x298/0x448 [ 82.932432][ T5101] dccp_write_xmit+0x118/0x1d0 [ 82.933195][ T5101] dccp_sendmsg+0x550/0x8b8 [ 82.933895][ T5101] inet_sendmsg+0x154/0x284 [ 82.934608][ T5101] __sys_sendto+0x30c/0x420 [ 82.935347][ T5101] __arm64_sys_sendto+0xd8/0xf8 [ 82.936089][ T5101] invoke_syscall+0x98/0x2b0 [ 82.937025][ T5101] el0_svc_common+0x138/0x258 [ 82.937755][ T5101] do_el0_svc+0x58/0x13c [ 82.938433][ T5101] el0_svc+0x78/0x1d0 [ 82.939018][ T5101] el0t_64_sync_handler+0xcc/0xe4 [ 82.939789][ T5101] el0t_64_sync+0x1a0/0x1a4 [ 82.959496][ T5103] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 82.961321][ T5103] CPU: 0 PID: 5103 Comm: syz.0.53 Not tainted syzkaller #0 [ 82.962438][ T5103] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.963949][ T5103] Call trace: [ 82.964429][ T5103] dump_backtrace+0x0/0x458 [ 82.965160][ T5103] show_stack+0x2c/0x3c [ 82.965817][ T5103] __dump_stack+0x30/0x40 [ 82.966476][ T5103] dump_stack_lvl+0xf4/0x15c [ 82.967162][ T5103] dump_stack+0x1c/0x5c [ 82.967762][ T5103] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 82.968624][ T5103] dccp_xmit_packet+0x298/0x448 [ 82.969371][ T5103] dccp_write_xmit+0x118/0x1d0 [ 82.970102][ T5103] dccp_sendmsg+0x550/0x8b8 [ 82.970864][ T5103] inet_sendmsg+0x154/0x284 [ 82.971635][ T5103] __sys_sendto+0x30c/0x420 [ 82.972354][ T5103] __arm64_sys_sendto+0xd8/0xf8 [ 82.973058][ T5103] invoke_syscall+0x98/0x2b0 [ 82.973777][ T5103] el0_svc_common+0x138/0x258 [ 82.974554][ T5103] do_el0_svc+0x58/0x13c [ 82.975224][ T5103] el0_svc+0x78/0x1d0 [ 82.975838][ T5103] el0t_64_sync_handler+0xcc/0xe4 [ 82.976619][ T5103] el0t_64_sync+0x1a0/0x1a4 [ 82.978344][ T5103] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 82.979976][ T5103] CPU: 0 PID: 5103 Comm: syz.0.53 Not tainted syzkaller #0 [ 82.981031][ T5103] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.982443][ T5103] Call trace: [ 82.982943][ T5103] dump_backtrace+0x0/0x458 [ 82.983584][ T5103] show_stack+0x2c/0x3c [ 82.984196][ T5103] __dump_stack+0x30/0x40 [ 82.984883][ T5103] dump_stack_lvl+0xf4/0x15c [ 82.985625][ T5103] dump_stack+0x1c/0x5c [ 82.986219][ T5103] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 82.986967][ T5103] dccp_xmit_packet+0x298/0x448 [ 82.987671][ T5103] dccp_write_xmit+0x118/0x1d0 [ 82.988409][ T5103] dccp_sendmsg+0x550/0x8b8 [ 82.989079][ T5103] inet_sendmsg+0x154/0x284 [ 82.989734][ T5103] __sys_sendto+0x30c/0x420 [ 82.990418][ T5103] __arm64_sys_sendto+0xd8/0xf8 [ 82.991148][ T5103] invoke_syscall+0x98/0x2b0 [ 82.991839][ T5103] el0_svc_common+0x138/0x258 [ 82.992539][ T5103] do_el0_svc+0x58/0x13c [ 82.993180][ T5103] el0_svc+0x78/0x1d0 [ 82.993757][ T5103] el0t_64_sync_handler+0xcc/0xe4 [ 82.994476][ T5103] el0t_64_sync+0x1a0/0x1a4 [ 82.996162][ T5103] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 82.997810][ T5103] CPU: 0 PID: 5103 Comm: syz.0.53 Not tainted syzkaller #0 [ 82.998935][ T5103] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.000455][ T5103] Call trace: [ 83.000962][ T5103] dump_backtrace+0x0/0x458 [ 83.001648][ T5103] show_stack+0x2c/0x3c [ 83.002242][ T5103] __dump_stack+0x30/0x40 [ 83.002830][ T5103] dump_stack_lvl+0xf4/0x15c [ 83.003467][ T5103] dump_stack+0x1c/0x5c [ 83.004040][ T5103] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 83.004802][ T5103] dccp_xmit_packet+0x298/0x448 [ 83.005495][ T5103] dccp_write_xmit+0x118/0x1d0 [ 83.006174][ T5103] dccp_sendmsg+0x550/0x8b8 [ 83.006804][ T5103] inet_sendmsg+0x154/0x284 [ 83.007445][ T5103] __sys_sendto+0x30c/0x420 [ 83.008082][ T5103] __arm64_sys_sendto+0xd8/0xf8 [ 83.008836][ T5103] invoke_syscall+0x98/0x2b0 [ 83.009511][ T5103] el0_svc_common+0x138/0x258 [ 83.010165][ T5103] do_el0_svc+0x58/0x13c [ 83.010767][ T5103] el0_svc+0x78/0x1d0 [ 83.011290][ T5103] el0t_64_sync_handler+0xcc/0xe4 [ 83.012043][ T5103] el0t_64_sync+0x1a0/0x1a4 [ 83.012979][ T5103] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 83.014663][ T5103] CPU: 0 PID: 5103 Comm: syz.0.53 Not tainted syzkaller #0 [ 83.015729][ T5103] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.017186][ T5103] Call trace: [ 83.017678][ T5103] dump_backtrace+0x0/0x458 [ 83.018341][ T5103] show_stack+0x2c/0x3c [ 83.018954][ T5103] __dump_stack+0x30/0x40 [ 83.019581][ T5103] dump_stack_lvl+0xf4/0x15c [ 83.020257][ T5103] dump_stack+0x1c/0x5c [ 83.020847][ T5103] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 83.021651][ T5103] dccp_xmit_packet+0x298/0x448 [ 83.022394][ T5103] dccp_write_xmit+0x118/0x1d0 [ 83.023028][ T5103] dccp_sendmsg+0x550/0x8b8 [ 83.023662][ T5103] inet_sendmsg+0x154/0x284 [ 83.024299][ T5103] __sys_sendto+0x30c/0x420 [ 83.024955][ T5103] __arm64_sys_sendto+0xd8/0xf8 [ 83.025692][ T5103] invoke_syscall+0x98/0x2b0 [ 83.026439][ T5103] el0_svc_common+0x138/0x258 [ 83.027164][ T5103] do_el0_svc+0x58/0x13c [ 83.027815][ T5103] el0_svc+0x78/0x1d0 [ 83.028371][ T5103] el0t_64_sync_handler+0xcc/0xe4 [ 83.029140][ T5103] el0t_64_sync+0x1a0/0x1a4 [ 83.030221][ T5103] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 83.031907][ T5103] CPU: 0 PID: 5103 Comm: syz.0.53 Not tainted syzkaller #0 [ 83.033076][ T5103] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.034611][ T5103] Call trace: [ 83.035195][ T5103] dump_backtrace+0x0/0x458 [ 83.035991][ T5103] show_stack+0x2c/0x3c [ 83.036702][ T5103] __dump_stack+0x30/0x40 [ 83.037427][ T5103] dump_stack_lvl+0xf4/0x15c [ 83.038183][ T5103] dump_stack+0x1c/0x5c [ 83.038818][ T5103] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 83.039703][ T5103] dccp_xmit_packet+0x298/0x448 [ 83.040472][ T5103] dccp_write_xmit+0x118/0x1d0 [ 83.041189][ T5103] dccp_sendmsg+0x550/0x8b8 [ 83.041900][ T5103] inet_sendmsg+0x154/0x284 [ 83.042562][ T5103] __sys_sendto+0x30c/0x420 [ 83.043256][ T5103] __arm64_sys_sendto+0xd8/0xf8 [ 83.043984][ T5103] invoke_syscall+0x98/0x2b0 [ 83.044660][ T5103] el0_svc_common+0x138/0x258 [ 83.045369][ T5103] do_el0_svc+0x58/0x13c [ 83.045956][ T5103] el0_svc+0x78/0x1d0 [ 83.046532][ T5103] el0t_64_sync_handler+0xcc/0xe4 [ 83.047246][ T5103] el0t_64_sync+0x1a0/0x1a4 [ 83.048141][ T5103] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 83.049771][ T5103] CPU: 0 PID: 5103 Comm: syz.0.53 Not tainted syzkaller #0 [ 83.050812][ T5103] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.052237][ T5103] Call trace: [ 83.052747][ T5103] dump_backtrace+0x0/0x458 [ 83.053406][ T5103] show_stack+0x2c/0x3c [ 83.054002][ T5103] __dump_stack+0x30/0x40 [ 83.054658][ T5103] dump_stack_lvl+0xf4/0x15c [ 83.055367][ T5103] dump_stack+0x1c/0x5c [ 83.055984][ T5103] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 83.056776][ T5103] dccp_xmit_packet+0x298/0x448 [ 83.057499][ T5103] dccp_write_xmit+0x118/0x1d0 [ 83.058209][ T5103] dccp_sendmsg+0x550/0x8b8 [ 83.058846][ T5103] inet_sendmsg+0x154/0x284 [ 83.059539][ T5103] __sys_sendto+0x30c/0x420 [ 83.060221][ T5103] __arm64_sys_sendto+0xd8/0xf8 [ 83.060928][ T5103] invoke_syscall+0x98/0x2b0 [ 83.061588][ T5103] el0_svc_common+0x138/0x258 [ 83.062255][ T5103] do_el0_svc+0x58/0x13c [ 83.062860][ T5103] el0_svc+0x78/0x1d0 [ 83.063425][ T5103] el0t_64_sync_handler+0xcc/0xe4 [ 83.064153][ T5103] el0t_64_sync+0x1a0/0x1a4 [ 83.064947][ T5103] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 83.066601][ T5103] CPU: 0 PID: 5103 Comm: syz.0.53 Not tainted syzkaller #0 [ 83.067656][ T5103] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.069098][ T5103] Call trace: [ 83.069538][ T5103] dump_backtrace+0x0/0x458 [ 83.070262][ T5103] show_stack+0x2c/0x3c [ 83.070891][ T5103] __dump_stack+0x30/0x40 [ 83.071537][ T5103] dump_stack_lvl+0xf4/0x15c [ 83.072211][ T5103] dump_stack+0x1c/0x5c [ 83.072839][ T5103] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 83.073632][ T5103] dccp_xmit_packet+0x298/0x448 [ 83.074363][ T5103] dccp_write_xmit+0x118/0x1d0 [ 83.075096][ T5103] dccp_sendmsg+0x550/0x8b8 [ 83.075766][ T5103] inet_sendmsg+0x154/0x284 [ 83.076450][ T5103] __sys_sendto+0x30c/0x420 [ 83.077114][ T5103] __arm64_sys_sendto+0xd8/0xf8 [ 83.077827][ T5103] invoke_syscall+0x98/0x2b0 [ 83.078491][ T5103] el0_svc_common+0x138/0x258 [ 83.079203][ T5103] do_el0_svc+0x58/0x13c [ 83.079801][ T5103] el0_svc+0x78/0x1d0 [ 83.080438][ T5103] el0t_64_sync_handler+0xcc/0xe4 [ 83.081236][ T5103] el0t_64_sync+0x1a0/0x1a4 [ 83.082181][ T5103] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 83.083739][ T5103] CPU: 0 PID: 5103 Comm: syz.0.53 Not tainted syzkaller #0 [ 83.084793][ T5103] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.086226][ T5103] Call trace: [ 83.086699][ T5103] dump_backtrace+0x0/0x458 [ 83.087361][ T5103] show_stack+0x2c/0x3c [ 83.087964][ T5103] __dump_stack+0x30/0x40 [ 83.088629][ T5103] dump_stack_lvl+0xf4/0x15c [ 83.089292][ T5103] dump_stack+0x1c/0x5c [ 83.089951][ T5103] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 83.090794][ T5103] dccp_xmit_packet+0x298/0x448 [ 83.091523][ T5103] dccp_write_xmit+0x118/0x1d0 [ 83.092242][ T5103] dccp_sendmsg+0x550/0x8b8 [ 83.092877][ T5103] inet_sendmsg+0x154/0x284 [ 83.093498][ T5103] __sys_sendto+0x30c/0x420 [ 83.094199][ T5103] __arm64_sys_sendto+0xd8/0xf8 [ 83.094846][ T5103] invoke_syscall+0x98/0x2b0 [ 83.095483][ T5103] el0_svc_common+0x138/0x258 [ 83.096162][ T5103] do_el0_svc+0x58/0x13c [ 83.096770][ T5103] el0_svc+0x78/0x1d0 [ 83.097352][ T5103] el0t_64_sync_handler+0xcc/0xe4 [ 83.098049][ T5103] el0t_64_sync+0x1a0/0x1a4 [ 83.098838][ T5103] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 83.100420][ T5103] CPU: 0 PID: 5103 Comm: syz.0.53 Not tainted syzkaller #0 [ 83.101433][ T5103] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.102861][ T5103] Call trace: [ 83.103293][ T5103] dump_backtrace+0x0/0x458 [ 83.104010][ T5103] show_stack+0x2c/0x3c [ 83.104652][ T5103] __dump_stack+0x30/0x40 [ 83.105275][ T5103] dump_stack_lvl+0xf4/0x15c [ 83.105900][ T5103] dump_stack+0x1c/0x5c [ 83.106474][ T5103] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 83.107251][ T5103] dccp_xmit_packet+0x298/0x448 [ 83.107992][ T5103] dccp_write_xmit+0x118/0x1d0 [ 83.108706][ T5103] dccp_sendmsg+0x550/0x8b8 [ 83.109350][ T5103] inet_sendmsg+0x154/0x284 [ 83.110036][ T5103] __sys_sendto+0x30c/0x420 [ 83.110745][ T5103] __arm64_sys_sendto+0xd8/0xf8 [ 83.111483][ T5103] invoke_syscall+0x98/0x2b0 [ 83.112258][ T5103] el0_svc_common+0x138/0x258 [ 83.112969][ T5103] do_el0_svc+0x58/0x13c [ 83.113614][ T5103] el0_svc+0x78/0x1d0 [ 83.114291][ T5103] el0t_64_sync_handler+0xcc/0xe4 [ 83.115008][ T5103] el0t_64_sync+0x1a0/0x1a4 [ 83.116006][ T5103] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 83.117694][ T5103] CPU: 0 PID: 5103 Comm: syz.0.53 Not tainted syzkaller #0 [ 83.118726][ T5103] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.120112][ T5103] Call trace: [ 83.120567][ T5103] dump_backtrace+0x0/0x458 [ 83.121213][ T5103] show_stack+0x2c/0x3c [ 83.121811][ T5103] __dump_stack+0x30/0x40 [ 83.122422][ T5103] dump_stack_lvl+0xf4/0x15c [ 83.123108][ T5103] dump_stack+0x1c/0x5c [ 83.123721][ T5103] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 83.124526][ T5103] dccp_xmit_packet+0x298/0x448 [ 83.125311][ T5103] dccp_write_xmit+0x118/0x1d0 [ 83.125959][ T5103] dccp_sendmsg+0x550/0x8b8 [ 83.126585][ T5103] inet_sendmsg+0x154/0x284 [ 83.127267][ T5103] __sys_sendto+0x30c/0x420 [ 83.127853][ T5103] __arm64_sys_sendto+0xd8/0xf8 [ 83.128554][ T5103] invoke_syscall+0x98/0x2b0 [ 83.129214][ T5103] el0_svc_common+0x138/0x258 [ 83.129880][ T5103] do_el0_svc+0x58/0x13c [ 83.130535][ T5103] el0_svc+0x78/0x1d0 [ 83.131143][ T5103] el0t_64_sync_handler+0xcc/0xe4 [ 83.131857][ T5103] el0t_64_sync+0x1a0/0x1a4 [ 83.132666][ T5103] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 83.134673][ T5103] CPU: 0 PID: 5103 Comm: syz.0.53 Not tainted syzkaller #0 [ 83.135725][ T5103] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.137126][ T5103] Call trace: [ 83.137597][ T5103] dump_backtrace+0x0/0x458 [ 83.138284][ T5103] show_stack+0x2c/0x3c [ 83.138863][ T5103] __dump_stack+0x30/0x40 [ 83.139516][ T5103] dump_stack_lvl+0xf4/0x15c [ 83.140164][ T5103] dump_stack+0x1c/0x5c [ 83.140754][ T5103] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 83.141563][ T5103] dccp_xmit_packet+0x298/0x448 [ 83.142221][ T5103] dccp_write_xmit+0x118/0x1d0 [ 83.142862][ T5103] dccp_sendmsg+0x550/0x8b8 [ 83.143495][ T5103] inet_sendmsg+0x154/0x284 [ 83.144148][ T5103] __sys_sendto+0x30c/0x420 [ 83.144831][ T5103] __arm64_sys_sendto+0xd8/0xf8 [ 83.145578][ T5103] invoke_syscall+0x98/0x2b0 [ 83.146185][ T5103] el0_svc_common+0x138/0x258 [ 83.146824][ T5103] do_el0_svc+0x58/0x13c [ 83.147499][ T5103] el0_svc+0x78/0x1d0 [ 83.148090][ T5103] el0t_64_sync_handler+0xcc/0xe4 [ 83.148852][ T5103] el0t_64_sync+0x1a0/0x1a4 [ 83.149717][ T5103] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 83.151379][ T5103] CPU: 0 PID: 5103 Comm: syz.0.53 Not tainted syzkaller #0 [ 83.152493][ T5103] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.154069][ T5103] Call trace: [ 83.154543][ T5103] dump_backtrace+0x0/0x458 [ 83.155285][ T5103] show_stack+0x2c/0x3c [ 83.155893][ T5103] __dump_stack+0x30/0x40 [ 83.156517][ T5103] dump_stack_lvl+0xf4/0x15c [ 83.157250][ T5103] dump_stack+0x1c/0x5c [ 83.157843][ T5103] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 83.158638][ T5103] dccp_xmit_packet+0x298/0x448 [ 83.159364][ T5103] dccp_write_xmit+0x118/0x1d0 [ 83.160100][ T5103] dccp_sendmsg+0x550/0x8b8 [ 83.160786][ T5103] inet_sendmsg+0x154/0x284 [ 83.161433][ T5103] __sys_sendto+0x30c/0x420 [ 83.162125][ T5103] __arm64_sys_sendto+0xd8/0xf8 [ 83.162908][ T5103] invoke_syscall+0x98/0x2b0 [ 83.163616][ T5103] el0_svc_common+0x138/0x258 [ 83.164352][ T5103] do_el0_svc+0x58/0x13c [ 83.165005][ T5103] el0_svc+0x78/0x1d0 [ 83.165595][ T5103] el0t_64_sync_handler+0xcc/0xe4 [ 83.166354][ T5103] el0t_64_sync+0x1a0/0x1a4 [ 83.167313][ T5103] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 83.168840][ T5103] CPU: 0 PID: 5103 Comm: syz.0.53 Not tainted syzkaller #0 [ 83.169915][ T5103] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.171329][ T5103] Call trace: [ 83.171791][ T5103] dump_backtrace+0x0/0x458 [ 83.172403][ T5103] show_stack+0x2c/0x3c [ 83.172986][ T5103] __dump_stack+0x30/0x40 [ 83.173616][ T5103] dump_stack_lvl+0xf4/0x15c [ 83.174290][ T5103] dump_stack+0x1c/0x5c [ 83.174961][ T5103] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 83.175780][ T5103] dccp_xmit_packet+0x298/0x448 [ 83.176459][ T5103] dccp_write_xmit+0x118/0x1d0 [ 83.177196][ T5103] dccp_sendmsg+0x550/0x8b8 [ 83.177940][ T5103] inet_sendmsg+0x154/0x284 [ 83.178595][ T5103] __sys_sendto+0x30c/0x420 [ 83.179223][ T5103] __arm64_sys_sendto+0xd8/0xf8 [ 83.179873][ T5103] invoke_syscall+0x98/0x2b0 [ 83.180535][ T5103] el0_svc_common+0x138/0x258 [ 83.181201][ T5103] do_el0_svc+0x58/0x13c [ 83.181811][ T5103] el0_svc+0x78/0x1d0 [ 83.182380][ T5103] el0t_64_sync_handler+0xcc/0xe4 [ 83.183059][ T5103] el0t_64_sync+0x1a0/0x1a4 [ 83.183988][ T5103] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 83.185723][ T5103] CPU: 0 PID: 5103 Comm: syz.0.53 Not tainted syzkaller #0 [ 83.186755][ T5103] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.188242][ T5103] Call trace: [ 83.188698][ T5103] dump_backtrace+0x0/0x458 [ 83.189386][ T5103] show_stack+0x2c/0x3c [ 83.189967][ T5103] __dump_stack+0x30/0x40 [ 83.190570][ T5103] dump_stack_lvl+0xf4/0x15c [ 83.191229][ T5103] dump_stack+0x1c/0x5c [ 83.191806][ T5103] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 83.192556][ T5103] dccp_xmit_packet+0x298/0x448 [ 83.193212][ T5103] dccp_write_xmit+0x118/0x1d0 [ 83.193971][ T5103] dccp_sendmsg+0x550/0x8b8 [ 83.194653][ T5103] inet_sendmsg+0x154/0x284 [ 83.195315][ T5103] __sys_sendto+0x30c/0x420 [ 83.195955][ T5103] __arm64_sys_sendto+0xd8/0xf8 [ 83.196657][ T5103] invoke_syscall+0x98/0x2b0 [ 83.197310][ T5103] el0_svc_common+0x138/0x258 [ 83.198022][ T5103] do_el0_svc+0x58/0x13c [ 83.198662][ T5103] el0_svc+0x78/0x1d0 [ 83.199222][ T5103] el0t_64_sync_handler+0xcc/0xe4 [ 83.199958][ T5103] el0t_64_sync+0x1a0/0x1a4 [ 83.219181][ T5105] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 83.220908][ T5105] CPU: 0 PID: 5105 Comm: syz.0.54 Not tainted syzkaller #0 [ 83.221949][ T5105] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.223352][ T5105] Call trace: [ 83.223787][ T5105] dump_backtrace+0x0/0x458 [ 83.224454][ T5105] show_stack+0x2c/0x3c [ 83.225057][ T5105] __dump_stack+0x30/0x40 [ 83.225703][ T5105] dump_stack_lvl+0xf4/0x15c [ 83.226381][ T5105] dump_stack+0x1c/0x5c [ 83.227005][ T5105] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 83.227798][ T5105] dccp_xmit_packet+0x298/0x448 [ 83.228494][ T5105] dccp_write_xmit+0x118/0x1d0 [ 83.229173][ T5105] dccp_sendmsg+0x550/0x8b8 [ 83.229829][ T5105] inet_sendmsg+0x154/0x284 [ 83.230499][ T5105] __sys_sendto+0x30c/0x420 [ 83.231165][ T5105] __arm64_sys_sendto+0xd8/0xf8 [ 83.231935][ T5105] invoke_syscall+0x98/0x2b0 [ 83.232603][ T5105] el0_svc_common+0x138/0x258 [ 83.233345][ T5105] do_el0_svc+0x58/0x13c [ 83.233998][ T5105] el0_svc+0x78/0x1d0 [ 83.234615][ T5105] el0t_64_sync_handler+0xcc/0xe4 [ 83.235369][ T5105] el0t_64_sync+0x1a0/0x1a4 [ 83.236338][ T5105] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 83.238046][ T5105] CPU: 0 PID: 5105 Comm: syz.0.54 Not tainted syzkaller #0 [ 83.239149][ T5105] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.240614][ T5105] Call trace: [ 83.241048][ T5105] dump_backtrace+0x0/0x458 [ 83.241649][ T5105] show_stack+0x2c/0x3c [ 83.242254][ T5105] __dump_stack+0x30/0x40 [ 83.242891][ T5105] dump_stack_lvl+0xf4/0x15c [ 83.243533][ T5105] dump_stack+0x1c/0x5c [ 83.244120][ T5105] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 83.244937][ T5105] dccp_xmit_packet+0x298/0x448 [ 83.245625][ T5105] dccp_write_xmit+0x118/0x1d0 [ 83.246274][ T5105] dccp_sendmsg+0x550/0x8b8 [ 83.246971][ T5105] inet_sendmsg+0x154/0x284 [ 83.247682][ T5105] __sys_sendto+0x30c/0x420 [ 83.248346][ T5105] __arm64_sys_sendto+0xd8/0xf8 [ 83.249053][ T5105] invoke_syscall+0x98/0x2b0 [ 83.249713][ T5105] el0_svc_common+0x138/0x258 [ 83.250460][ T5105] do_el0_svc+0x58/0x13c [ 83.251084][ T5105] el0_svc+0x78/0x1d0 [ 83.251684][ T5105] el0t_64_sync_handler+0xcc/0xe4 [ 83.252427][ T5105] el0t_64_sync+0x1a0/0x1a4 [ 83.253563][ T5105] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 83.255530][ T5105] CPU: 0 PID: 5105 Comm: syz.0.54 Not tainted syzkaller #0 [ 83.256598][ T5105] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.258086][ T5105] Call trace: [ 83.258589][ T5105] dump_backtrace+0x0/0x458 [ 83.259244][ T5105] show_stack+0x2c/0x3c [ 83.259882][ T5105] __dump_stack+0x30/0x40 [ 83.260500][ T5105] dump_stack_lvl+0xf4/0x15c [ 83.261162][ T5105] dump_stack+0x1c/0x5c [ 83.261764][ T5105] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 83.262487][ T5105] dccp_xmit_packet+0x298/0x448 [ 83.263161][ T5105] dccp_write_xmit+0x118/0x1d0 [ 83.263801][ T5105] dccp_sendmsg+0x550/0x8b8 [ 83.264433][ T5105] inet_sendmsg+0x154/0x284 [ 83.265069][ T5105] __sys_sendto+0x30c/0x420 [ 83.265712][ T5105] __arm64_sys_sendto+0xd8/0xf8 [ 83.266403][ T5105] invoke_syscall+0x98/0x2b0 [ 83.267054][ T5105] el0_svc_common+0x138/0x258 [ 83.267714][ T5105] do_el0_svc+0x58/0x13c [ 83.268329][ T5105] el0_svc+0x78/0x1d0 [ 83.268942][ T5105] el0t_64_sync_handler+0xcc/0xe4 [ 83.269677][ T5105] el0t_64_sync+0x1a0/0x1a4 [ 83.270457][ T5105] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 83.272061][ T5105] CPU: 0 PID: 5105 Comm: syz.0.54 Not tainted syzkaller #0 [ 83.273103][ T5105] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.274523][ T5105] Call trace: [ 83.274986][ T5105] dump_backtrace+0x0/0x458 [ 83.275617][ T5105] show_stack+0x2c/0x3c [ 83.276246][ T5105] __dump_stack+0x30/0x40 [ 83.276844][ T5105] dump_stack_lvl+0xf4/0x15c [ 83.277489][ T5105] dump_stack+0x1c/0x5c [ 83.278088][ T5105] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 83.278917][ T5105] dccp_xmit_packet+0x298/0x448 [ 83.279645][ T5105] dccp_write_xmit+0x118/0x1d0 [ 83.280370][ T5105] dccp_sendmsg+0x550/0x8b8 [ 83.281007][ T5105] inet_sendmsg+0x154/0x284 [ 83.281617][ T5105] __sys_sendto+0x30c/0x420 [ 83.282249][ T5105] __arm64_sys_sendto+0xd8/0xf8 [ 83.282959][ T5105] invoke_syscall+0x98/0x2b0 [ 83.283596][ T5105] el0_svc_common+0x138/0x258 [ 83.284264][ T5105] do_el0_svc+0x58/0x13c [ 83.284869][ T5105] el0_svc+0x78/0x1d0 [ 83.285401][ T5105] el0t_64_sync_handler+0xcc/0xe4 [ 83.286084][ T5105] el0t_64_sync+0x1a0/0x1a4 [ 83.286908][ T5105] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 83.288630][ T5105] CPU: 0 PID: 5105 Comm: syz.0.54 Not tainted syzkaller #0 [ 83.289630][ T5105] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.291093][ T5105] Call trace: [ 83.291528][ T5105] dump_backtrace+0x0/0x458 [ 83.292118][ T5105] show_stack+0x2c/0x3c [ 83.292680][ T5105] __dump_stack+0x30/0x40 [ 83.293321][ T5105] dump_stack_lvl+0xf4/0x15c [ 83.293987][ T5105] dump_stack+0x1c/0x5c [ 83.294575][ T5105] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 83.295362][ T5105] dccp_xmit_packet+0x298/0x448 [ 83.296062][ T5105] dccp_write_xmit+0x118/0x1d0 [ 83.296732][ T5105] dccp_sendmsg+0x550/0x8b8 [ 83.297392][ T5105] inet_sendmsg+0x154/0x284 [ 83.297995][ T5105] __sys_sendto+0x30c/0x420 [ 83.298599][ T5105] __arm64_sys_sendto+0xd8/0xf8 [ 83.299296][ T5105] invoke_syscall+0x98/0x2b0 [ 83.299970][ T5105] el0_svc_common+0x138/0x258 [ 83.300653][ T5105] do_el0_svc+0x58/0x13c [ 83.301300][ T5105] el0_svc+0x78/0x1d0 [ 83.301939][ T5105] el0t_64_sync_handler+0xcc/0xe4 [ 83.302677][ T5105] el0t_64_sync+0x1a0/0x1a4 [ 83.303486][ T5105] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 83.305163][ T5105] CPU: 0 PID: 5105 Comm: syz.0.54 Not tainted syzkaller #0 [ 83.306177][ T5105] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.307578][ T5105] Call trace: [ 83.308040][ T5105] dump_backtrace+0x0/0x458 [ 83.308674][ T5105] show_stack+0x2c/0x3c [ 83.309266][ T5105] __dump_stack+0x30/0x40 [ 83.309868][ T5105] dump_stack_lvl+0xf4/0x15c [ 83.310530][ T5105] dump_stack+0x1c/0x5c [ 83.311126][ T5105] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 83.311914][ T5105] dccp_xmit_packet+0x298/0x448 [ 83.312560][ T5105] dccp_write_xmit+0x118/0x1d0 [ 83.313210][ T5105] dccp_sendmsg+0x550/0x8b8 [ 83.313871][ T5105] inet_sendmsg+0x154/0x284 [ 83.314521][ T5105] __sys_sendto+0x30c/0x420 [ 83.315195][ T5105] __arm64_sys_sendto+0xd8/0xf8 [ 83.315924][ T5105] invoke_syscall+0x98/0x2b0 [ 83.316666][ T5105] el0_svc_common+0x138/0x258 [ 83.317423][ T5105] do_el0_svc+0x58/0x13c [ 83.318048][ T5105] el0_svc+0x78/0x1d0 [ 83.318681][ T5105] el0t_64_sync_handler+0xcc/0xe4 [ 83.319440][ T5105] el0t_64_sync+0x1a0/0x1a4 [ 83.320245][ T5105] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 83.321799][ T5105] CPU: 0 PID: 5105 Comm: syz.0.54 Not tainted syzkaller #0 [ 83.322795][ T5105] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.324240][ T5105] Call trace: [ 83.324721][ T5105] dump_backtrace+0x0/0x458 [ 83.325413][ T5105] show_stack+0x2c/0x3c [ 83.326040][ T5105] __dump_stack+0x30/0x40 [ 83.326696][ T5105] dump_stack_lvl+0xf4/0x15c [ 83.327387][ T5105] dump_stack+0x1c/0x5c [ 83.327973][ T5105] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 83.328745][ T5105] dccp_xmit_packet+0x298/0x448 [ 83.329421][ T5105] dccp_write_xmit+0x118/0x1d0 [ 83.330082][ T5105] dccp_sendmsg+0x550/0x8b8 [ 83.330767][ T5105] inet_sendmsg+0x154/0x284 [ 83.331493][ T5105] __sys_sendto+0x30c/0x420 [ 83.332168][ T5105] __arm64_sys_sendto+0xd8/0xf8 [ 83.332901][ T5105] invoke_syscall+0x98/0x2b0 [ 83.333586][ T5105] el0_svc_common+0x138/0x258 [ 83.334275][ T5105] do_el0_svc+0x58/0x13c [ 83.334893][ T5105] el0_svc+0x78/0x1d0 [ 83.335489][ T5105] el0t_64_sync_handler+0xcc/0xe4 [ 83.336226][ T5105] el0t_64_sync+0x1a0/0x1a4 [ 83.336990][ T5105] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 83.338702][ T5105] CPU: 0 PID: 5105 Comm: syz.0.54 Not tainted syzkaller #0 [ 83.339826][ T5105] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.341281][ T5105] Call trace: [ 83.341751][ T5105] dump_backtrace+0x0/0x458 [ 83.342383][ T5105] show_stack+0x2c/0x3c [ 83.342954][ T5105] __dump_stack+0x30/0x40 [ 83.343548][ T5105] dump_stack_lvl+0xf4/0x15c [ 83.344190][ T5105] dump_stack+0x1c/0x5c [ 83.344802][ T5105] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 83.345680][ T5105] dccp_xmit_packet+0x298/0x448 [ 83.346417][ T5105] dccp_write_xmit+0x118/0x1d0 [ 83.347075][ T5105] dccp_sendmsg+0x550/0x8b8 [ 83.347722][ T5105] inet_sendmsg+0x154/0x284 [ 83.348363][ T5105] __sys_sendto+0x30c/0x420 [ 83.349023][ T5105] __arm64_sys_sendto+0xd8/0xf8 [ 83.349725][ T5105] invoke_syscall+0x98/0x2b0 [ 83.350416][ T5105] el0_svc_common+0x138/0x258 [ 83.351194][ T5105] do_el0_svc+0x58/0x13c [ 83.351805][ T5105] el0_svc+0x78/0x1d0 [ 83.352408][ T5105] el0t_64_sync_handler+0xcc/0xe4 [ 83.353131][ T5105] el0t_64_sync+0x1a0/0x1a4 [ 83.353913][ T5105] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 83.355847][ T5105] CPU: 0 PID: 5105 Comm: syz.0.54 Not tainted syzkaller #0 [ 83.356901][ T5105] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.358432][ T5105] Call trace: [ 83.358920][ T5105] dump_backtrace+0x0/0x458 [ 83.359623][ T5105] show_stack+0x2c/0x3c [ 83.360228][ T5105] __dump_stack+0x30/0x40 [ 83.360830][ T5105] dump_stack_lvl+0xf4/0x15c [ 83.361491][ T5105] dump_stack+0x1c/0x5c [ 83.362045][ T5105] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 83.362806][ T5105] dccp_xmit_packet+0x298/0x448 [ 83.363533][ T5105] dccp_write_xmit+0x118/0x1d0 [ 83.364288][ T5105] dccp_sendmsg+0x550/0x8b8 [ 83.364947][ T5105] inet_sendmsg+0x154/0x284 [ 83.365606][ T5105] __sys_sendto+0x30c/0x420 [ 83.366185][ T5105] __arm64_sys_sendto+0xd8/0xf8 [ 83.366836][ T5105] invoke_syscall+0x98/0x2b0 [ 83.367453][ T5105] el0_svc_common+0x138/0x258 [ 83.368115][ T5105] do_el0_svc+0x58/0x13c [ 83.368704][ T5105] el0_svc+0x78/0x1d0 [ 83.369300][ T5105] el0t_64_sync_handler+0xcc/0xe4 [ 83.369962][ T5105] el0t_64_sync+0x1a0/0x1a4 [ 83.370723][ T5105] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 83.372265][ T5105] CPU: 0 PID: 5105 Comm: syz.0.54 Not tainted syzkaller #0 [ 83.373287][ T5105] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.374732][ T5105] Call trace: [ 83.375248][ T5105] dump_backtrace+0x0/0x458 [ 83.375859][ T5105] show_stack+0x2c/0x3c [ 83.376527][ T5105] __dump_stack+0x30/0x40 [ 83.377109][ T5105] dump_stack_lvl+0xf4/0x15c [ 83.377787][ T5105] dump_stack+0x1c/0x5c [ 83.378376][ T5105] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 83.379137][ T5105] dccp_xmit_packet+0x298/0x448 [ 83.379826][ T5105] dccp_write_xmit+0x118/0x1d0 [ 83.380497][ T5105] dccp_sendmsg+0x550/0x8b8 [ 83.381114][ T5105] inet_sendmsg+0x154/0x284 [ 83.381701][ T5105] __sys_sendto+0x30c/0x420 [ 83.382372][ T5105] __arm64_sys_sendto+0xd8/0xf8 [ 83.383066][ T5105] invoke_syscall+0x98/0x2b0 [ 83.383709][ T5105] el0_svc_common+0x138/0x258 [ 83.384354][ T5105] do_el0_svc+0x58/0x13c [ 83.384946][ T5105] el0_svc+0x78/0x1d0 [ 83.385513][ T5105] el0t_64_sync_handler+0xcc/0xe4 [ 83.386204][ T5105] el0t_64_sync+0x1a0/0x1a4 [ 83.387033][ T5105] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 83.388577][ T5105] CPU: 0 PID: 5105 Comm: syz.0.54 Not tainted syzkaller #0 [ 83.389598][ T5105] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.390982][ T5105] Call trace: [ 83.391442][ T5105] dump_backtrace+0x0/0x458 [ 83.392061][ T5105] show_stack+0x2c/0x3c [ 83.392631][ T5105] __dump_stack+0x30/0x40 [ 83.393215][ T5105] dump_stack_lvl+0xf4/0x15c [ 83.393843][ T5105] dump_stack+0x1c/0x5c [ 83.394415][ T5105] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 83.395173][ T5105] dccp_xmit_packet+0x298/0x448 [ 83.395851][ T5105] dccp_write_xmit+0x118/0x1d0 [ 83.396508][ T5105] dccp_sendmsg+0x550/0x8b8 [ 83.397133][ T5105] inet_sendmsg+0x154/0x284 [ 83.397760][ T5105] __sys_sendto+0x30c/0x420 [ 83.398393][ T5105] __arm64_sys_sendto+0xd8/0xf8 [ 83.399081][ T5105] invoke_syscall+0x98/0x2b0 [ 83.399738][ T5105] el0_svc_common+0x138/0x258 [ 83.400373][ T5105] do_el0_svc+0x58/0x13c [ 83.400978][ T5105] el0_svc+0x78/0x1d0 [ 83.401547][ T5105] el0t_64_sync_handler+0xcc/0xe4 [ 83.402262][ T5105] el0t_64_sync+0x1a0/0x1a4 [ 83.403161][ T5105] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 83.404851][ T5105] CPU: 0 PID: 5105 Comm: syz.0.54 Not tainted syzkaller #0 [ 83.405853][ T5105] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.407281][ T5105] Call trace: [ 83.407747][ T5105] dump_backtrace+0x0/0x458 [ 83.408368][ T5105] show_stack+0x2c/0x3c [ 83.408944][ T5105] __dump_stack+0x30/0x40 [ 83.409497][ T5105] dump_stack_lvl+0xf4/0x15c [ 83.410129][ T5105] dump_stack+0x1c/0x5c [ 83.410725][ T5105] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 83.411486][ T5105] dccp_xmit_packet+0x298/0x448 [ 83.412197][ T5105] dccp_write_xmit+0x118/0x1d0 [ 83.412912][ T5105] dccp_sendmsg+0x550/0x8b8 [ 83.413610][ T5105] inet_sendmsg+0x154/0x284 [ 83.414298][ T5105] __sys_sendto+0x30c/0x420 [ 83.414967][ T5105] __arm64_sys_sendto+0xd8/0xf8 [ 83.415642][ T5105] invoke_syscall+0x98/0x2b0 [ 83.416332][ T5105] el0_svc_common+0x138/0x258 [ 83.417048][ T5105] do_el0_svc+0x58/0x13c [ 83.417670][ T5105] el0_svc+0x78/0x1d0 [ 83.418220][ T5105] el0t_64_sync_handler+0xcc/0xe4 [ 83.418938][ T5105] el0t_64_sync+0x1a0/0x1a4 [ 83.419768][ T5105] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 83.421384][ T5105] CPU: 0 PID: 5105 Comm: syz.0.54 Not tainted syzkaller #0 [ 83.422393][ T5105] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.423703][ T5105] Call trace: [ 83.424153][ T5105] dump_backtrace+0x0/0x458 [ 83.424791][ T5105] show_stack+0x2c/0x3c [ 83.425353][ T5105] __dump_stack+0x30/0x40 [ 83.425962][ T5105] dump_stack_lvl+0xf4/0x15c [ 83.426628][ T5105] dump_stack+0x1c/0x5c [ 83.427205][ T5105] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 83.427961][ T5105] dccp_xmit_packet+0x298/0x448 [ 83.428628][ T5105] dccp_write_xmit+0x118/0x1d0 [ 83.429274][ T5105] dccp_sendmsg+0x550/0x8b8 [ 83.429901][ T5105] inet_sendmsg+0x154/0x284 [ 83.430520][ T5105] __sys_sendto+0x30c/0x420 [ 83.431154][ T5105] __arm64_sys_sendto+0xd8/0xf8 [ 83.431839][ T5105] invoke_syscall+0x98/0x2b0 [ 83.432511][ T5105] el0_svc_common+0x138/0x258 [ 83.433208][ T5105] do_el0_svc+0x58/0x13c [ 83.433844][ T5105] el0_svc+0x78/0x1d0 [ 83.434431][ T5105] el0t_64_sync_handler+0xcc/0xe4 [ 83.435228][ T5105] el0t_64_sync+0x1a0/0x1a4 [ 83.436030][ T5105] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 83.437544][ T5105] CPU: 0 PID: 5105 Comm: syz.0.54 Not tainted syzkaller #0 [ 83.438597][ T5105] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.440059][ T5105] Call trace: [ 83.440518][ T5105] dump_backtrace+0x0/0x458 [ 83.441128][ T5105] show_stack+0x2c/0x3c [ 83.441755][ T5105] __dump_stack+0x30/0x40 [ 83.442363][ T5105] dump_stack_lvl+0xf4/0x15c [ 83.443024][ T5105] dump_stack+0x1c/0x5c [ 83.443598][ T5105] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 83.444349][ T5105] dccp_xmit_packet+0x298/0x448 [ 83.445035][ T5105] dccp_write_xmit+0x118/0x1d0 [ 83.445724][ T5105] dccp_sendmsg+0x550/0x8b8 [ 83.446352][ T5105] inet_sendmsg+0x154/0x284 [ 83.446977][ T5105] __sys_sendto+0x30c/0x420 [ 83.447595][ T5105] __arm64_sys_sendto+0xd8/0xf8 [ 83.448308][ T5105] invoke_syscall+0x98/0x2b0 [ 83.448967][ T5105] el0_svc_common+0x138/0x258 [ 83.449658][ T5105] do_el0_svc+0x58/0x13c [ 83.450269][ T5105] el0_svc+0x78/0x1d0 [ 83.450842][ T5105] el0t_64_sync_handler+0xcc/0xe4 [ 83.451516][ T5105] el0t_64_sync+0x1a0/0x1a4 [ 83.452308][ T5105] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 83.453876][ T5105] CPU: 0 PID: 5105 Comm: syz.0.54 Not tainted syzkaller #0 [ 83.454962][ T5105] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.456349][ T5105] Call trace: [ 83.456839][ T5105] dump_backtrace+0x0/0x458 [ 83.457491][ T5105] show_stack+0x2c/0x3c [ 83.458083][ T5105] __dump_stack+0x30/0x40 [ 83.458710][ T5105] dump_stack_lvl+0xf4/0x15c [ 83.459419][ T5105] dump_stack+0x1c/0x5c [ 83.460018][ T5105] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 83.460822][ T5105] dccp_xmit_packet+0x298/0x448 [ 83.461509][ T5105] dccp_write_xmit+0x118/0x1d0 [ 83.462242][ T5105] dccp_sendmsg+0x550/0x8b8 [ 83.462883][ T5105] inet_sendmsg+0x154/0x284 [ 83.463498][ T5105] __sys_sendto+0x30c/0x420 [ 83.464173][ T5105] __arm64_sys_sendto+0xd8/0xf8 [ 83.464848][ T5105] invoke_syscall+0x98/0x2b0 [ 83.465440][ T5105] el0_svc_common+0x138/0x258 [ 83.466111][ T5105] do_el0_svc+0x58/0x13c [ 83.466737][ T5105] el0_svc+0x78/0x1d0 [ 83.467334][ T5105] el0t_64_sync_handler+0xcc/0xe4 [ 83.468051][ T5105] el0t_64_sync+0x1a0/0x1a4 [ 83.469155][ T5105] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 83.470789][ T5105] CPU: 0 PID: 5105 Comm: syz.0.54 Not tainted syzkaller #0 [ 83.471793][ T5105] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.473211][ T5105] Call trace: [ 83.473655][ T5105] dump_backtrace+0x0/0x458 [ 83.474360][ T5105] show_stack+0x2c/0x3c [ 83.475007][ T5105] __dump_stack+0x30/0x40 [ 83.475618][ T5105] dump_stack_lvl+0xf4/0x15c [ 83.476314][ T5105] dump_stack+0x1c/0x5c [ 83.476919][ T5105] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 83.477755][ T5105] dccp_xmit_packet+0x298/0x448 [ 83.478466][ T5105] dccp_write_xmit+0x118/0x1d0 [ 83.479159][ T5105] dccp_sendmsg+0x550/0x8b8 [ 83.479833][ T5105] inet_sendmsg+0x154/0x284 [ 83.480474][ T5105] __sys_sendto+0x30c/0x420 [ 83.481146][ T5105] __arm64_sys_sendto+0xd8/0xf8 [ 83.481827][ T5105] invoke_syscall+0x98/0x2b0 [ 83.482462][ T5105] el0_svc_common+0x138/0x258 [ 83.483157][ T5105] do_el0_svc+0x58/0x13c [ 83.483749][ T5105] el0_svc+0x78/0x1d0 [ 83.484303][ T5105] el0t_64_sync_handler+0xcc/0xe4 [ 83.485012][ T5105] el0t_64_sync+0x1a0/0x1a4 [ 83.502979][ T5107] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 83.505159][ T5107] CPU: 1 PID: 5107 Comm: syz.0.55 Not tainted syzkaller #0 [ 83.506145][ T5107] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.507615][ T5107] Call trace: [ 83.508061][ T5107] dump_backtrace+0x0/0x458 [ 83.508681][ T5107] show_stack+0x2c/0x3c [ 83.509280][ T5107] __dump_stack+0x30/0x40 [ 83.509887][ T5107] dump_stack_lvl+0xf4/0x15c [ 83.510520][ T5107] dump_stack+0x1c/0x5c [ 83.511175][ T5107] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 83.511962][ T5107] dccp_xmit_packet+0x298/0x448 [ 83.512691][ T5107] dccp_write_xmit+0x118/0x1d0 [ 83.513380][ T5107] dccp_sendmsg+0x550/0x8b8 [ 83.513989][ T5107] inet_sendmsg+0x154/0x284 [ 83.514629][ T5107] __sys_sendto+0x30c/0x420 [ 83.515258][ T5107] __arm64_sys_sendto+0xd8/0xf8 [ 83.516038][ T5107] invoke_syscall+0x98/0x2b0 [ 83.516751][ T5107] el0_svc_common+0x138/0x258 [ 83.517436][ T5107] do_el0_svc+0x58/0x13c [ 83.518056][ T5107] el0_svc+0x78/0x1d0 [ 83.518685][ T5107] el0t_64_sync_handler+0xcc/0xe4 [ 83.519447][ T5107] el0t_64_sync+0x1a0/0x1a4 [ 83.520697][ T5107] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 83.522419][ T5107] CPU: 1 PID: 5107 Comm: syz.0.55 Not tainted syzkaller #0 [ 83.523561][ T5107] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.525283][ T5107] Call trace: [ 83.525776][ T5107] dump_backtrace+0x0/0x458 [ 83.526475][ T5107] show_stack+0x2c/0x3c [ 83.527086][ T5107] __dump_stack+0x30/0x40 [ 83.527791][ T5107] dump_stack_lvl+0xf4/0x15c [ 83.528455][ T5107] dump_stack+0x1c/0x5c [ 83.529090][ T5107] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 83.529948][ T5107] dccp_xmit_packet+0x298/0x448 [ 83.530728][ T5107] dccp_write_xmit+0x118/0x1d0 [ 83.531436][ T5107] dccp_sendmsg+0x550/0x8b8 [ 83.532089][ T5107] inet_sendmsg+0x154/0x284 [ 83.532768][ T5107] __sys_sendto+0x30c/0x420 [ 83.533432][ T5107] __arm64_sys_sendto+0xd8/0xf8 [ 83.534145][ T5107] invoke_syscall+0x98/0x2b0 [ 83.534864][ T5107] el0_svc_common+0x138/0x258 [ 83.535580][ T5107] do_el0_svc+0x58/0x13c [ 83.536227][ T5107] el0_svc+0x78/0x1d0 [ 83.536819][ T5107] el0t_64_sync_handler+0xcc/0xe4 [ 83.537557][ T5107] el0t_64_sync+0x1a0/0x1a4 [ 83.539733][ T5107] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 83.541333][ T5107] CPU: 1 PID: 5107 Comm: syz.0.55 Not tainted syzkaller #0 [ 83.542468][ T5107] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.544135][ T5107] Call trace: [ 83.544681][ T5107] dump_backtrace+0x0/0x458 [ 83.545385][ T5107] show_stack+0x2c/0x3c [ 83.546090][ T5107] __dump_stack+0x30/0x40 [ 83.546792][ T5107] dump_stack_lvl+0xf4/0x15c [ 83.547514][ T5107] dump_stack+0x1c/0x5c [ 83.548219][ T5107] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 83.549082][ T5107] dccp_xmit_packet+0x298/0x448 [ 83.549879][ T5107] dccp_write_xmit+0x118/0x1d0 [ 83.550638][ T5107] dccp_sendmsg+0x550/0x8b8 [ 83.551371][ T5107] inet_sendmsg+0x154/0x284 [ 83.552146][ T5107] __sys_sendto+0x30c/0x420 [ 83.552896][ T5107] __arm64_sys_sendto+0xd8/0xf8 [ 83.553666][ T5107] invoke_syscall+0x98/0x2b0 [ 83.554360][ T5107] el0_svc_common+0x138/0x258 [ 83.555130][ T5107] do_el0_svc+0x58/0x13c [ 83.555767][ T5107] el0_svc+0x78/0x1d0 [ 83.556449][ T5107] el0t_64_sync_handler+0xcc/0xe4 [ 83.557212][ T5107] el0t_64_sync+0x1a0/0x1a4 [ 83.558640][ T5107] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 83.560272][ T5107] CPU: 1 PID: 5107 Comm: syz.0.55 Not tainted syzkaller #0 [ 83.561276][ T5107] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.562672][ T5107] Call trace: [ 83.563124][ T5107] dump_backtrace+0x0/0x458 [ 83.563811][ T5107] show_stack+0x2c/0x3c [ 83.564434][ T5107] __dump_stack+0x30/0x40 [ 83.565166][ T5107] dump_stack_lvl+0xf4/0x15c [ 83.565871][ T5107] dump_stack+0x1c/0x5c [ 83.566597][ T5107] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 83.567533][ T5107] dccp_xmit_packet+0x298/0x448 [ 83.568331][ T5107] dccp_write_xmit+0x118/0x1d0 [ 83.569051][ T5107] dccp_sendmsg+0x550/0x8b8 [ 83.569772][ T5107] inet_sendmsg+0x154/0x284 [ 83.570464][ T5107] __sys_sendto+0x30c/0x420 [ 83.571152][ T5107] __arm64_sys_sendto+0xd8/0xf8 [ 83.571896][ T5107] invoke_syscall+0x98/0x2b0 [ 83.572628][ T5107] el0_svc_common+0x138/0x258 [ 83.573305][ T5107] do_el0_svc+0x58/0x13c [ 83.573937][ T5107] el0_svc+0x78/0x1d0 [ 83.574527][ T5107] el0t_64_sync_handler+0xcc/0xe4 [ 83.575295][ T5107] el0t_64_sync+0x1a0/0x1a4 [ 83.576496][ T5107] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 83.578326][ T5107] CPU: 1 PID: 5107 Comm: syz.0.55 Not tainted syzkaller #0 [ 83.579430][ T5107] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.581056][ T5107] Call trace: [ 83.581565][ T5107] dump_backtrace+0x0/0x458 [ 83.582297][ T5107] show_stack+0x2c/0x3c [ 83.582917][ T5107] __dump_stack+0x30/0x40 [ 83.583583][ T5107] dump_stack_lvl+0xf4/0x15c [ 83.584295][ T5107] dump_stack+0x1c/0x5c [ 83.584935][ T5107] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 83.585757][ T5107] dccp_xmit_packet+0x298/0x448 [ 83.586471][ T5107] dccp_write_xmit+0x118/0x1d0 [ 83.587238][ T5107] dccp_sendmsg+0x550/0x8b8 [ 83.587892][ T5107] inet_sendmsg+0x154/0x284 [ 83.588589][ T5107] __sys_sendto+0x30c/0x420 [ 83.589255][ T5107] __arm64_sys_sendto+0xd8/0xf8 [ 83.589999][ T5107] invoke_syscall+0x98/0x2b0 [ 83.590714][ T5107] el0_svc_common+0x138/0x258 [ 83.591440][ T5107] do_el0_svc+0x58/0x13c [ 83.592102][ T5107] el0_svc+0x78/0x1d0 [ 83.592730][ T5107] el0t_64_sync_handler+0xcc/0xe4 [ 83.593502][ T5107] el0t_64_sync+0x1a0/0x1a4 [ 83.595057][ T5107] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 83.596665][ T5107] CPU: 1 PID: 5107 Comm: syz.0.55 Not tainted syzkaller #0 [ 83.597690][ T5107] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.599128][ T5107] Call trace: [ 83.599620][ T5107] dump_backtrace+0x0/0x458 [ 83.600243][ T5107] show_stack+0x2c/0x3c [ 83.600780][ T5107] __dump_stack+0x30/0x40 [ 83.601340][ T5107] dump_stack_lvl+0xf4/0x15c [ 83.601967][ T5107] dump_stack+0x1c/0x5c [ 83.602532][ T5107] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 83.603308][ T5107] dccp_xmit_packet+0x298/0x448 [ 83.603968][ T5107] dccp_write_xmit+0x118/0x1d0 [ 83.604713][ T5107] dccp_sendmsg+0x550/0x8b8 [ 83.605355][ T5107] inet_sendmsg+0x154/0x284 [ 83.606059][ T5107] __sys_sendto+0x30c/0x420 [ 83.606722][ T5107] __arm64_sys_sendto+0xd8/0xf8 [ 83.607414][ T5107] invoke_syscall+0x98/0x2b0 [ 83.608090][ T5107] el0_svc_common+0x138/0x258 [ 83.608776][ T5107] do_el0_svc+0x58/0x13c [ 83.609373][ T5107] el0_svc+0x78/0x1d0 [ 83.610011][ T5107] el0t_64_sync_handler+0xcc/0xe4 [ 83.610762][ T5107] el0t_64_sync+0x1a0/0x1a4 [ 83.611598][ T5107] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 83.613227][ T5107] CPU: 1 PID: 5107 Comm: syz.0.55 Not tainted syzkaller #0 [ 83.614311][ T5107] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.615835][ T5107] Call trace: [ 83.616323][ T5107] dump_backtrace+0x0/0x458 [ 83.616993][ T5107] show_stack+0x2c/0x3c [ 83.617626][ T5107] __dump_stack+0x30/0x40 [ 83.618219][ T5107] dump_stack_lvl+0xf4/0x15c [ 83.618867][ T5107] dump_stack+0x1c/0x5c [ 83.619440][ T5107] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 83.620254][ T5107] dccp_xmit_packet+0x298/0x448 [ 83.620946][ T5107] dccp_write_xmit+0x118/0x1d0 [ 83.621604][ T5107] dccp_sendmsg+0x550/0x8b8 [ 83.622266][ T5107] inet_sendmsg+0x154/0x284 [ 83.622894][ T5107] __sys_sendto+0x30c/0x420 [ 83.623570][ T5107] __arm64_sys_sendto+0xd8/0xf8 [ 83.624345][ T5107] invoke_syscall+0x98/0x2b0 [ 83.624976][ T5107] el0_svc_common+0x138/0x258 [ 83.625644][ T5107] do_el0_svc+0x58/0x13c [ 83.626283][ T5107] el0_svc+0x78/0x1d0 [ 83.626845][ T5107] el0t_64_sync_handler+0xcc/0xe4 [ 83.627524][ T5107] el0t_64_sync+0x1a0/0x1a4 [ 83.628544][ T5107] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 83.630278][ T5107] CPU: 1 PID: 5107 Comm: syz.0.55 Not tainted syzkaller #0 [ 83.631332][ T5107] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.632803][ T5107] Call trace: [ 83.633361][ T5107] dump_backtrace+0x0/0x458 [ 83.634021][ T5107] show_stack+0x2c/0x3c [ 83.634658][ T5107] __dump_stack+0x30/0x40 [ 83.635336][ T5107] dump_stack_lvl+0xf4/0x15c [ 83.636074][ T5107] dump_stack+0x1c/0x5c [ 83.636743][ T5107] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 83.637541][ T5107] dccp_xmit_packet+0x298/0x448 [ 83.638251][ T5107] dccp_write_xmit+0x118/0x1d0 [ 83.638967][ T5107] dccp_sendmsg+0x550/0x8b8 [ 83.639605][ T5107] inet_sendmsg+0x154/0x284 [ 83.640253][ T5107] __sys_sendto+0x30c/0x420 [ 83.640890][ T5107] __arm64_sys_sendto+0xd8/0xf8 [ 83.641608][ T5107] invoke_syscall+0x98/0x2b0 [ 83.642345][ T5107] el0_svc_common+0x138/0x258 [ 83.643040][ T5107] do_el0_svc+0x58/0x13c [ 83.643716][ T5107] el0_svc+0x78/0x1d0 [ 83.644306][ T5107] el0t_64_sync_handler+0xcc/0xe4 [ 83.644987][ T5107] el0t_64_sync+0x1a0/0x1a4 [ 83.645808][ T5107] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 83.647402][ T5107] CPU: 1 PID: 5107 Comm: syz.0.55 Not tainted syzkaller #0 [ 83.648391][ T5107] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.649811][ T5107] Call trace: [ 83.650235][ T5107] dump_backtrace+0x0/0x458 [ 83.650957][ T5107] show_stack+0x2c/0x3c [ 83.651595][ T5107] __dump_stack+0x30/0x40 [ 83.652186][ T5107] dump_stack_lvl+0xf4/0x15c [ 83.652781][ T5107] dump_stack+0x1c/0x5c [ 83.653384][ T5107] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 83.654141][ T5107] dccp_xmit_packet+0x298/0x448 [ 83.654861][ T5107] dccp_write_xmit+0x118/0x1d0 [ 83.655517][ T5107] dccp_sendmsg+0x550/0x8b8 [ 83.656223][ T5107] inet_sendmsg+0x154/0x284 [ 83.656860][ T5107] __sys_sendto+0x30c/0x420 [ 83.657544][ T5107] __arm64_sys_sendto+0xd8/0xf8 [ 83.658221][ T5107] invoke_syscall+0x98/0x2b0 [ 83.658942][ T5107] el0_svc_common+0x138/0x258 [ 83.659696][ T5107] do_el0_svc+0x58/0x13c [ 83.660286][ T5107] el0_svc+0x78/0x1d0 [ 83.660865][ T5107] el0t_64_sync_handler+0xcc/0xe4 [ 83.661575][ T5107] el0t_64_sync+0x1a0/0x1a4 [ 83.662402][ T5107] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 83.664065][ T5107] CPU: 1 PID: 5107 Comm: syz.0.55 Not tainted syzkaller #0 [ 83.665201][ T5107] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.666716][ T5107] Call trace: [ 83.667238][ T5107] dump_backtrace+0x0/0x458 [ 83.667911][ T5107] show_stack+0x2c/0x3c [ 83.668488][ T5107] __dump_stack+0x30/0x40 [ 83.669117][ T5107] dump_stack_lvl+0xf4/0x15c [ 83.669732][ T5107] dump_stack+0x1c/0x5c [ 83.670324][ T5107] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 83.671100][ T5107] dccp_xmit_packet+0x298/0x448 [ 83.671761][ T5107] dccp_write_xmit+0x118/0x1d0 [ 83.672487][ T5107] dccp_sendmsg+0x550/0x8b8 [ 83.673194][ T5107] inet_sendmsg+0x154/0x284 [ 83.673907][ T5107] __sys_sendto+0x30c/0x420 [ 83.674556][ T5107] __arm64_sys_sendto+0xd8/0xf8 [ 83.675214][ T5107] invoke_syscall+0x98/0x2b0 [ 83.675862][ T5107] el0_svc_common+0x138/0x258 [ 83.676545][ T5107] do_el0_svc+0x58/0x13c [ 83.677173][ T5107] el0_svc+0x78/0x1d0 [ 83.677715][ T5107] el0t_64_sync_handler+0xcc/0xe4 [ 83.678531][ T5107] el0t_64_sync+0x1a0/0x1a4 [ 83.679346][ T5107] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 83.681172][ T5107] CPU: 1 PID: 5107 Comm: syz.0.55 Not tainted syzkaller #0 [ 83.682286][ T5107] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.683792][ T5107] Call trace: [ 83.684265][ T5107] dump_backtrace+0x0/0x458 [ 83.684970][ T5107] show_stack+0x2c/0x3c [ 83.685589][ T5107] __dump_stack+0x30/0x40 [ 83.686260][ T5107] dump_stack_lvl+0xf4/0x15c [ 83.687004][ T5107] dump_stack+0x1c/0x5c [ 83.687676][ T5107] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 83.688513][ T5107] dccp_xmit_packet+0x298/0x448 [ 83.689276][ T5107] dccp_write_xmit+0x118/0x1d0 [ 83.690038][ T5107] dccp_sendmsg+0x550/0x8b8 [ 83.690760][ T5107] inet_sendmsg+0x154/0x284 [ 83.691425][ T5107] __sys_sendto+0x30c/0x420 [ 83.692103][ T5107] __arm64_sys_sendto+0xd8/0xf8 [ 83.692798][ T5107] invoke_syscall+0x98/0x2b0 [ 83.693461][ T5107] el0_svc_common+0x138/0x258 [ 83.694223][ T5107] do_el0_svc+0x58/0x13c [ 83.694830][ T5107] el0_svc+0x78/0x1d0 [ 83.695410][ T5107] el0t_64_sync_handler+0xcc/0xe4 [ 83.696096][ T5107] el0t_64_sync+0x1a0/0x1a4 [ 83.697232][ T5107] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 83.699070][ T5107] CPU: 1 PID: 5107 Comm: syz.0.55 Not tainted syzkaller #0 [ 83.700232][ T5107] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.701787][ T5107] Call trace: [ 83.702252][ T5107] dump_backtrace+0x0/0x458 [ 83.702999][ T5107] show_stack+0x2c/0x3c [ 83.703673][ T5107] __dump_stack+0x30/0x40 [ 83.704310][ T5107] dump_stack_lvl+0xf4/0x15c [ 83.705062][ T5107] dump_stack+0x1c/0x5c [ 83.705662][ T5107] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 83.706529][ T5107] dccp_xmit_packet+0x298/0x448 [ 83.707322][ T5107] dccp_write_xmit+0x118/0x1d0 [ 83.708049][ T5107] dccp_sendmsg+0x550/0x8b8 [ 83.708732][ T5107] inet_sendmsg+0x154/0x284 [ 83.709435][ T5107] __sys_sendto+0x30c/0x420 [ 83.710132][ T5107] __arm64_sys_sendto+0xd8/0xf8 [ 83.710870][ T5107] invoke_syscall+0x98/0x2b0 [ 83.711558][ T5107] el0_svc_common+0x138/0x258 [ 83.712266][ T5107] do_el0_svc+0x58/0x13c [ 83.712905][ T5107] el0_svc+0x78/0x1d0 [ 83.713569][ T5107] el0t_64_sync_handler+0xcc/0xe4 [ 83.714301][ T5107] el0t_64_sync+0x1a0/0x1a4 [ 83.715241][ T5107] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 83.716816][ T5107] CPU: 1 PID: 5107 Comm: syz.0.55 Not tainted syzkaller #0 [ 83.717879][ T5107] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.719272][ T5107] Call trace: [ 83.719741][ T5107] dump_backtrace+0x0/0x458 [ 83.720377][ T5107] show_stack+0x2c/0x3c [ 83.720954][ T5107] __dump_stack+0x30/0x40 [ 83.721625][ T5107] dump_stack_lvl+0xf4/0x15c [ 83.722294][ T5107] dump_stack+0x1c/0x5c [ 83.722925][ T5107] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 83.723695][ T5107] dccp_xmit_packet+0x298/0x448 [ 83.724462][ T5107] dccp_write_xmit+0x118/0x1d0 [ 83.725218][ T5107] dccp_sendmsg+0x550/0x8b8 [ 83.725907][ T5107] inet_sendmsg+0x154/0x284 [ 83.726553][ T5107] __sys_sendto+0x30c/0x420 [ 83.727265][ T5107] __arm64_sys_sendto+0xd8/0xf8 [ 83.728050][ T5107] invoke_syscall+0x98/0x2b0 [ 83.728726][ T5107] el0_svc_common+0x138/0x258 [ 83.729422][ T5107] do_el0_svc+0x58/0x13c [ 83.730049][ T5107] el0_svc+0x78/0x1d0 [ 83.730603][ T5107] el0t_64_sync_handler+0xcc/0xe4 [ 83.731325][ T5107] el0t_64_sync+0x1a0/0x1a4 [ 83.732193][ T5107] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 83.733865][ T5107] CPU: 1 PID: 5107 Comm: syz.0.55 Not tainted syzkaller #0 [ 83.734961][ T5107] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.736531][ T5107] Call trace: [ 83.736997][ T5107] dump_backtrace+0x0/0x458 [ 83.737640][ T5107] show_stack+0x2c/0x3c [ 83.738321][ T5107] __dump_stack+0x30/0x40 [ 83.739021][ T5107] dump_stack_lvl+0xf4/0x15c [ 83.739750][ T5107] dump_stack+0x1c/0x5c [ 83.740380][ T5107] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 83.741203][ T5107] dccp_xmit_packet+0x298/0x448 [ 83.741943][ T5107] dccp_write_xmit+0x118/0x1d0 [ 83.742658][ T5107] dccp_sendmsg+0x550/0x8b8 [ 83.743373][ T5107] inet_sendmsg+0x154/0x284 [ 83.744038][ T5107] __sys_sendto+0x30c/0x420 [ 83.744700][ T5107] __arm64_sys_sendto+0xd8/0xf8 [ 83.745439][ T5107] invoke_syscall+0x98/0x2b0 [ 83.746124][ T5107] el0_svc_common+0x138/0x258 [ 83.746810][ T5107] do_el0_svc+0x58/0x13c [ 83.747434][ T5107] el0_svc+0x78/0x1d0 [ 83.748005][ T5107] el0t_64_sync_handler+0xcc/0xe4 [ 83.748696][ T5107] el0t_64_sync+0x1a0/0x1a4 [ 83.749574][ T5107] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 83.751308][ T5107] CPU: 1 PID: 5107 Comm: syz.0.55 Not tainted syzkaller #0 [ 83.752308][ T5107] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.753739][ T5107] Call trace: [ 83.754192][ T5107] dump_backtrace+0x0/0x458 [ 83.754841][ T5107] show_stack+0x2c/0x3c [ 83.755495][ T5107] __dump_stack+0x30/0x40 [ 83.756120][ T5107] dump_stack_lvl+0xf4/0x15c [ 83.756791][ T5107] dump_stack+0x1c/0x5c [ 83.757434][ T5107] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 83.758218][ T5107] dccp_xmit_packet+0x298/0x448 [ 83.758912][ T5107] dccp_write_xmit+0x118/0x1d0 [ 83.759601][ T5107] dccp_sendmsg+0x550/0x8b8 [ 83.760266][ T5107] inet_sendmsg+0x154/0x284 [ 83.760918][ T5107] __sys_sendto+0x30c/0x420 [ 83.761527][ T5107] __arm64_sys_sendto+0xd8/0xf8 [ 83.762160][ T5107] invoke_syscall+0x98/0x2b0 [ 83.762795][ T5107] el0_svc_common+0x138/0x258 [ 83.763555][ T5107] do_el0_svc+0x58/0x13c [ 83.764174][ T5107] el0_svc+0x78/0x1d0 [ 83.764753][ T5107] el0t_64_sync_handler+0xcc/0xe4 [ 83.765486][ T5107] el0t_64_sync+0x1a0/0x1a4 [ 83.766436][ T5107] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 83.768079][ T5107] CPU: 1 PID: 5107 Comm: syz.0.55 Not tainted syzkaller #0 [ 83.769041][ T5107] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.770484][ T5107] Call trace: [ 83.770945][ T5107] dump_backtrace+0x0/0x458 [ 83.771563][ T5107] show_stack+0x2c/0x3c [ 83.772171][ T5107] __dump_stack+0x30/0x40 [ 83.772771][ T5107] dump_stack_lvl+0xf4/0x15c [ 83.773434][ T5107] dump_stack+0x1c/0x5c [ 83.774089][ T5107] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 83.774909][ T5107] dccp_xmit_packet+0x298/0x448 [ 83.775680][ T5107] dccp_write_xmit+0x118/0x1d0 [ 83.776385][ T5107] dccp_sendmsg+0x550/0x8b8 [ 83.777046][ T5107] inet_sendmsg+0x154/0x284 [ 83.777727][ T5107] __sys_sendto+0x30c/0x420 [ 83.778462][ T5107] __arm64_sys_sendto+0xd8/0xf8 [ 83.779205][ T5107] invoke_syscall+0x98/0x2b0 [ 83.779933][ T5107] el0_svc_common+0x138/0x258 [ 83.780585][ T5107] do_el0_svc+0x58/0x13c [ 83.781201][ T5107] el0_svc+0x78/0x1d0 [ 83.781816][ T5107] el0t_64_sync_handler+0xcc/0xe4 [ 83.782595][ T5107] el0t_64_sync+0x1a0/0x1a4 [ 83.799544][ T5109] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 83.801425][ T5109] CPU: 1 PID: 5109 Comm: syz.0.56 Not tainted syzkaller #0 [ 83.802532][ T5109] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.804001][ T5109] Call trace: [ 83.804496][ T5109] dump_backtrace+0x0/0x458 [ 83.805207][ T5109] show_stack+0x2c/0x3c [ 83.805901][ T5109] __dump_stack+0x30/0x40 [ 83.806565][ T5109] dump_stack_lvl+0xf4/0x15c [ 83.807269][ T5109] dump_stack+0x1c/0x5c [ 83.807899][ T5109] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 83.808782][ T5109] dccp_xmit_packet+0x298/0x448 [ 83.809533][ T5109] dccp_write_xmit+0x118/0x1d0 [ 83.810258][ T5109] dccp_sendmsg+0x550/0x8b8 [ 83.810914][ T5109] inet_sendmsg+0x154/0x284 [ 83.811563][ T5109] __sys_sendto+0x30c/0x420 [ 83.812232][ T5109] __arm64_sys_sendto+0xd8/0xf8 [ 83.813011][ T5109] invoke_syscall+0x98/0x2b0 [ 83.813687][ T5109] el0_svc_common+0x138/0x258 [ 83.814349][ T5109] do_el0_svc+0x58/0x13c [ 83.815003][ T5109] el0_svc+0x78/0x1d0 [ 83.815591][ T5109] el0t_64_sync_handler+0xcc/0xe4 [ 83.816283][ T5109] el0t_64_sync+0x1a0/0x1a4 [ 83.817261][ T5109] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 83.819019][ T5109] CPU: 1 PID: 5109 Comm: syz.0.56 Not tainted syzkaller #0 [ 83.820085][ T5109] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.821618][ T5109] Call trace: [ 83.822109][ T5109] dump_backtrace+0x0/0x458 [ 83.822792][ T5109] show_stack+0x2c/0x3c [ 83.823376][ T5109] __dump_stack+0x30/0x40 [ 83.823972][ T5109] dump_stack_lvl+0xf4/0x15c [ 83.824659][ T5109] dump_stack+0x1c/0x5c [ 83.825258][ T5109] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 83.826122][ T5109] dccp_xmit_packet+0x298/0x448 [ 83.826877][ T5109] dccp_write_xmit+0x118/0x1d0 [ 83.827599][ T5109] dccp_sendmsg+0x550/0x8b8 [ 83.828245][ T5109] inet_sendmsg+0x154/0x284 [ 83.828926][ T5109] __sys_sendto+0x30c/0x420 [ 83.829602][ T5109] __arm64_sys_sendto+0xd8/0xf8 [ 83.830292][ T5109] invoke_syscall+0x98/0x2b0 [ 83.830981][ T5109] el0_svc_common+0x138/0x258 [ 83.831633][ T5109] do_el0_svc+0x58/0x13c [ 83.832238][ T5109] el0_svc+0x78/0x1d0 [ 83.832785][ T5109] el0t_64_sync_handler+0xcc/0xe4 [ 83.833567][ T5109] el0t_64_sync+0x1a0/0x1a4 [ 83.834685][ T5109] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 83.836405][ T5109] CPU: 1 PID: 5109 Comm: syz.0.56 Not tainted syzkaller #0 [ 83.837642][ T5109] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.839103][ T5109] Call trace: [ 83.839570][ T5109] dump_backtrace+0x0/0x458 [ 83.840256][ T5109] show_stack+0x2c/0x3c [ 83.840895][ T5109] __dump_stack+0x30/0x40 [ 83.841510][ T5109] dump_stack_lvl+0xf4/0x15c [ 83.842190][ T5109] dump_stack+0x1c/0x5c [ 83.842865][ T5109] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 83.843653][ T5109] dccp_xmit_packet+0x298/0x448 [ 83.844387][ T5109] dccp_write_xmit+0x118/0x1d0 [ 83.845135][ T5109] dccp_sendmsg+0x550/0x8b8 [ 83.845808][ T5109] inet_sendmsg+0x154/0x284 [ 83.846513][ T5109] __sys_sendto+0x30c/0x420 [ 83.847246][ T5109] __arm64_sys_sendto+0xd8/0xf8 [ 83.847964][ T5109] invoke_syscall+0x98/0x2b0 [ 83.848741][ T5109] el0_svc_common+0x138/0x258 [ 83.849454][ T5109] do_el0_svc+0x58/0x13c [ 83.850128][ T5109] el0_svc+0x78/0x1d0 [ 83.850709][ T5109] el0t_64_sync_handler+0xcc/0xe4 [ 83.851453][ T5109] el0t_64_sync+0x1a0/0x1a4 [ 83.852351][ T5109] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 83.854084][ T5109] CPU: 1 PID: 5109 Comm: syz.0.56 Not tainted syzkaller #0 [ 83.855166][ T5109] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.856812][ T5109] Call trace: [ 83.857304][ T5109] dump_backtrace+0x0/0x458 [ 83.857987][ T5109] show_stack+0x2c/0x3c [ 83.858619][ T5109] __dump_stack+0x30/0x40 [ 83.859320][ T5109] dump_stack_lvl+0xf4/0x15c [ 83.860022][ T5109] dump_stack+0x1c/0x5c [ 83.860746][ T5109] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 83.861718][ T5109] dccp_xmit_packet+0x298/0x448 [ 83.862528][ T5109] dccp_write_xmit+0x118/0x1d0 [ 83.863342][ T5109] dccp_sendmsg+0x550/0x8b8 [ 83.864079][ T5109] inet_sendmsg+0x154/0x284 [ 83.864838][ T5109] __sys_sendto+0x30c/0x420 [ 83.865563][ T5109] __arm64_sys_sendto+0xd8/0xf8 [ 83.866335][ T5109] invoke_syscall+0x98/0x2b0 [ 83.867064][ T5109] el0_svc_common+0x138/0x258 [ 83.867843][ T5109] do_el0_svc+0x58/0x13c [ 83.868527][ T5109] el0_svc+0x78/0x1d0 [ 83.869169][ T5109] el0t_64_sync_handler+0xcc/0xe4 [ 83.869935][ T5109] el0t_64_sync+0x1a0/0x1a4 [ 83.870919][ T5109] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 83.872606][ T5109] CPU: 1 PID: 5109 Comm: syz.0.56 Not tainted syzkaller #0 [ 83.873677][ T5109] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.875205][ T5109] Call trace: [ 83.875743][ T5109] dump_backtrace+0x0/0x458 [ 83.876435][ T5109] show_stack+0x2c/0x3c [ 83.877064][ T5109] __dump_stack+0x30/0x40 [ 83.877766][ T5109] dump_stack_lvl+0xf4/0x15c [ 83.878432][ T5109] dump_stack+0x1c/0x5c [ 83.879044][ T5109] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 83.879953][ T5109] dccp_xmit_packet+0x298/0x448 [ 83.880757][ T5109] dccp_write_xmit+0x118/0x1d0 [ 83.881519][ T5109] dccp_sendmsg+0x550/0x8b8 [ 83.882232][ T5109] inet_sendmsg+0x154/0x284 [ 83.882902][ T5109] __sys_sendto+0x30c/0x420 [ 83.883617][ T5109] __arm64_sys_sendto+0xd8/0xf8 [ 83.884404][ T5109] invoke_syscall+0x98/0x2b0 [ 83.885121][ T5109] el0_svc_common+0x138/0x258 [ 83.885902][ T5109] do_el0_svc+0x58/0x13c [ 83.886534][ T5109] el0_svc+0x78/0x1d0 [ 83.887155][ T5109] el0t_64_sync_handler+0xcc/0xe4 [ 83.887908][ T5109] el0t_64_sync+0x1a0/0x1a4 [ 83.888734][ T5109] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 83.890648][ T5109] CPU: 1 PID: 5109 Comm: syz.0.56 Not tainted syzkaller #0 [ 83.891783][ T5109] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.893416][ T5109] Call trace: [ 83.893949][ T5109] dump_backtrace+0x0/0x458 [ 83.894714][ T5109] show_stack+0x2c/0x3c [ 83.895390][ T5109] __dump_stack+0x30/0x40 [ 83.896142][ T5109] dump_stack_lvl+0xf4/0x15c [ 83.896890][ T5109] dump_stack+0x1c/0x5c [ 83.897556][ T5109] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 83.898390][ T5109] dccp_xmit_packet+0x298/0x448 [ 83.899120][ T5109] dccp_write_xmit+0x118/0x1d0 [ 83.899866][ T5109] dccp_sendmsg+0x550/0x8b8 [ 83.900555][ T5109] inet_sendmsg+0x154/0x284 [ 83.901268][ T5109] __sys_sendto+0x30c/0x420 [ 83.901972][ T5109] __arm64_sys_sendto+0xd8/0xf8 [ 83.902720][ T5109] invoke_syscall+0x98/0x2b0 [ 83.903401][ T5109] el0_svc_common+0x138/0x258 [ 83.904154][ T5109] do_el0_svc+0x58/0x13c [ 83.904798][ T5109] el0_svc+0x78/0x1d0 [ 83.905377][ T5109] el0t_64_sync_handler+0xcc/0xe4 [ 83.906102][ T5109] el0t_64_sync+0x1a0/0x1a4 [ 83.907042][ T5109] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 83.908693][ T5109] CPU: 1 PID: 5109 Comm: syz.0.56 Not tainted syzkaller #0 [ 83.909789][ T5109] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.911318][ T5109] Call trace: [ 83.911794][ T5109] dump_backtrace+0x0/0x458 [ 83.912444][ T5109] show_stack+0x2c/0x3c [ 83.913087][ T5109] __dump_stack+0x30/0x40 [ 83.913690][ T5109] dump_stack_lvl+0xf4/0x15c [ 83.914413][ T5109] dump_stack+0x1c/0x5c [ 83.915046][ T5109] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 83.915833][ T5109] dccp_xmit_packet+0x298/0x448 [ 83.916526][ T5109] dccp_write_xmit+0x118/0x1d0 [ 83.917255][ T5109] dccp_sendmsg+0x550/0x8b8 [ 83.917931][ T5109] inet_sendmsg+0x154/0x284 [ 83.918570][ T5109] __sys_sendto+0x30c/0x420 [ 83.919213][ T5109] __arm64_sys_sendto+0xd8/0xf8 [ 83.919932][ T5109] invoke_syscall+0x98/0x2b0 [ 83.920615][ T5109] el0_svc_common+0x138/0x258 [ 83.921338][ T5109] do_el0_svc+0x58/0x13c [ 83.922018][ T5109] el0_svc+0x78/0x1d0 [ 83.922605][ T5109] el0t_64_sync_handler+0xcc/0xe4 [ 83.923344][ T5109] el0t_64_sync+0x1a0/0x1a4 [ 83.924210][ T5109] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 83.925940][ T5109] CPU: 1 PID: 5109 Comm: syz.0.56 Not tainted syzkaller #0 [ 83.926998][ T5109] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.928403][ T5109] Call trace: [ 83.928867][ T5109] dump_backtrace+0x0/0x458 [ 83.929596][ T5109] show_stack+0x2c/0x3c [ 83.930217][ T5109] __dump_stack+0x30/0x40 [ 83.930879][ T5109] dump_stack_lvl+0xf4/0x15c [ 83.931610][ T5109] dump_stack+0x1c/0x5c [ 83.932342][ T5109] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 83.933178][ T5109] dccp_xmit_packet+0x298/0x448 [ 83.933960][ T5109] dccp_write_xmit+0x118/0x1d0 [ 83.934745][ T5109] dccp_sendmsg+0x550/0x8b8 [ 83.935499][ T5109] inet_sendmsg+0x154/0x284 [ 83.936242][ T5109] __sys_sendto+0x30c/0x420 [ 83.936968][ T5109] __arm64_sys_sendto+0xd8/0xf8 [ 83.937786][ T5109] invoke_syscall+0x98/0x2b0 [ 83.938531][ T5109] el0_svc_common+0x138/0x258 [ 83.939244][ T5109] do_el0_svc+0x58/0x13c [ 83.939892][ T5109] el0_svc+0x78/0x1d0 [ 83.940539][ T5109] el0t_64_sync_handler+0xcc/0xe4 [ 83.941269][ T5109] el0t_64_sync+0x1a0/0x1a4 [ 83.942271][ T5109] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 83.943911][ T5109] CPU: 1 PID: 5109 Comm: syz.0.56 Not tainted syzkaller #0 [ 83.945026][ T5109] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.946542][ T5109] Call trace: [ 83.947033][ T5109] dump_backtrace+0x0/0x458 [ 83.947686][ T5109] show_stack+0x2c/0x3c [ 83.948259][ T5109] __dump_stack+0x30/0x40 [ 83.948874][ T5109] dump_stack_lvl+0xf4/0x15c [ 83.949586][ T5109] dump_stack+0x1c/0x5c [ 83.950209][ T5109] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 83.950966][ T5109] dccp_xmit_packet+0x298/0x448 [ 83.951655][ T5109] dccp_write_xmit+0x118/0x1d0 [ 83.952393][ T5109] dccp_sendmsg+0x550/0x8b8 [ 83.953062][ T5109] inet_sendmsg+0x154/0x284 [ 83.953687][ T5109] __sys_sendto+0x30c/0x420 [ 83.954314][ T5109] __arm64_sys_sendto+0xd8/0xf8 [ 83.955001][ T5109] invoke_syscall+0x98/0x2b0 [ 83.955651][ T5109] el0_svc_common+0x138/0x258 [ 83.956364][ T5109] do_el0_svc+0x58/0x13c [ 83.956985][ T5109] el0_svc+0x78/0x1d0 [ 83.957555][ T5109] el0t_64_sync_handler+0xcc/0xe4 [ 83.958357][ T5109] el0t_64_sync+0x1a0/0x1a4 [ 83.959159][ T5109] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 83.960778][ T5109] CPU: 1 PID: 5109 Comm: syz.0.56 Not tainted syzkaller #0 [ 83.961895][ T5109] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.963355][ T5109] Call trace: [ 83.963859][ T5109] dump_backtrace+0x0/0x458 [ 83.964532][ T5109] show_stack+0x2c/0x3c [ 83.965197][ T5109] __dump_stack+0x30/0x40 [ 83.965855][ T5109] dump_stack_lvl+0xf4/0x15c [ 83.966602][ T5109] dump_stack+0x1c/0x5c [ 83.967207][ T5109] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 83.967976][ T5109] dccp_xmit_packet+0x298/0x448 [ 83.968696][ T5109] dccp_write_xmit+0x118/0x1d0 [ 83.969402][ T5109] dccp_sendmsg+0x550/0x8b8 [ 83.970064][ T5109] inet_sendmsg+0x154/0x284 [ 83.970686][ T5109] __sys_sendto+0x30c/0x420 [ 83.971334][ T5109] __arm64_sys_sendto+0xd8/0xf8 [ 83.972014][ T5109] invoke_syscall+0x98/0x2b0 [ 83.972648][ T5109] el0_svc_common+0x138/0x258 [ 83.973280][ T5109] do_el0_svc+0x58/0x13c [ 83.973853][ T5109] el0_svc+0x78/0x1d0 [ 83.974434][ T5109] el0t_64_sync_handler+0xcc/0xe4 [ 83.975121][ T5109] el0t_64_sync+0x1a0/0x1a4 [ 83.975937][ T5109] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 83.977594][ T5109] CPU: 1 PID: 5109 Comm: syz.0.56 Not tainted syzkaller #0 [ 83.978681][ T5109] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.980226][ T5109] Call trace: [ 83.980734][ T5109] dump_backtrace+0x0/0x458 [ 83.981385][ T5109] show_stack+0x2c/0x3c [ 83.982016][ T5109] __dump_stack+0x30/0x40 [ 83.982737][ T5109] dump_stack_lvl+0xf4/0x15c [ 83.983420][ T5109] dump_stack+0x1c/0x5c [ 83.984001][ T5109] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 83.984844][ T5109] dccp_xmit_packet+0x298/0x448 [ 83.985555][ T5109] dccp_write_xmit+0x118/0x1d0 [ 83.986205][ T5109] dccp_sendmsg+0x550/0x8b8 [ 83.986917][ T5109] inet_sendmsg+0x154/0x284 [ 83.987626][ T5109] __sys_sendto+0x30c/0x420 [ 83.988293][ T5109] __arm64_sys_sendto+0xd8/0xf8 [ 83.989019][ T5109] invoke_syscall+0x98/0x2b0 [ 83.989665][ T5109] el0_svc_common+0x138/0x258 [ 83.990332][ T5109] do_el0_svc+0x58/0x13c [ 83.990946][ T5109] el0_svc+0x78/0x1d0 [ 83.991600][ T5109] el0t_64_sync_handler+0xcc/0xe4 [ 83.992368][ T5109] el0t_64_sync+0x1a0/0x1a4 [ 83.993394][ T5109] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 83.995174][ T5109] CPU: 1 PID: 5109 Comm: syz.0.56 Not tainted syzkaller #0 [ 83.996269][ T5109] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.997812][ T5109] Call trace: [ 83.998297][ T5109] dump_backtrace+0x0/0x458 [ 83.998932][ T5109] show_stack+0x2c/0x3c [ 83.999562][ T5109] __dump_stack+0x30/0x40 [ 84.000194][ T5109] dump_stack_lvl+0xf4/0x15c [ 84.000873][ T5109] dump_stack+0x1c/0x5c [ 84.001499][ T5109] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 84.002277][ T5109] dccp_xmit_packet+0x298/0x448 [ 84.002980][ T5109] dccp_write_xmit+0x118/0x1d0 [ 84.003666][ T5109] dccp_sendmsg+0x550/0x8b8 [ 84.004339][ T5109] inet_sendmsg+0x154/0x284 [ 84.005022][ T5109] __sys_sendto+0x30c/0x420 [ 84.005666][ T5109] __arm64_sys_sendto+0xd8/0xf8 [ 84.006385][ T5109] invoke_syscall+0x98/0x2b0 [ 84.007094][ T5109] el0_svc_common+0x138/0x258 [ 84.007832][ T5109] do_el0_svc+0x58/0x13c [ 84.008464][ T5109] el0_svc+0x78/0x1d0 [ 84.009076][ T5109] el0t_64_sync_handler+0xcc/0xe4 [ 84.009798][ T5109] el0t_64_sync+0x1a0/0x1a4 [ 84.010618][ T5109] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 84.012213][ T5109] CPU: 1 PID: 5109 Comm: syz.0.56 Not tainted syzkaller #0 [ 84.013244][ T5109] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.014666][ T5109] Call trace: [ 84.015161][ T5109] dump_backtrace+0x0/0x458 [ 84.015820][ T5109] show_stack+0x2c/0x3c [ 84.016450][ T5109] __dump_stack+0x30/0x40 [ 84.017079][ T5109] dump_stack_lvl+0xf4/0x15c [ 84.017804][ T5109] dump_stack+0x1c/0x5c [ 84.018440][ T5109] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 84.019227][ T5109] dccp_xmit_packet+0x298/0x448 [ 84.019942][ T5109] dccp_write_xmit+0x118/0x1d0 [ 84.020591][ T5109] dccp_sendmsg+0x550/0x8b8 [ 84.021234][ T5109] inet_sendmsg+0x154/0x284 [ 84.021879][ T5109] __sys_sendto+0x30c/0x420 [ 84.022585][ T5109] __arm64_sys_sendto+0xd8/0xf8 [ 84.023304][ T5109] invoke_syscall+0x98/0x2b0 [ 84.023993][ T5109] el0_svc_common+0x138/0x258 [ 84.024660][ T5109] do_el0_svc+0x58/0x13c [ 84.025334][ T5109] el0_svc+0x78/0x1d0 [ 84.025915][ T5109] el0t_64_sync_handler+0xcc/0xe4 [ 84.026667][ T5109] el0t_64_sync+0x1a0/0x1a4 [ 84.027543][ T5109] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 84.029134][ T5109] CPU: 1 PID: 5109 Comm: syz.0.56 Not tainted syzkaller #0 [ 84.030168][ T5109] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.031582][ T5109] Call trace: [ 84.032015][ T5109] dump_backtrace+0x0/0x458 [ 84.032651][ T5109] show_stack+0x2c/0x3c [ 84.033216][ T5109] __dump_stack+0x30/0x40 [ 84.033837][ T5109] dump_stack_lvl+0xf4/0x15c [ 84.034448][ T5109] dump_stack+0x1c/0x5c [ 84.035035][ T5109] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 84.035816][ T5109] dccp_xmit_packet+0x298/0x448 [ 84.036551][ T5109] dccp_write_xmit+0x118/0x1d0 [ 84.037291][ T5109] dccp_sendmsg+0x550/0x8b8 [ 84.038028][ T5109] inet_sendmsg+0x154/0x284 [ 84.038739][ T5109] __sys_sendto+0x30c/0x420 [ 84.039434][ T5109] __arm64_sys_sendto+0xd8/0xf8 [ 84.040143][ T5109] invoke_syscall+0x98/0x2b0 [ 84.040807][ T5109] el0_svc_common+0x138/0x258 [ 84.041490][ T5109] do_el0_svc+0x58/0x13c [ 84.042127][ T5109] el0_svc+0x78/0x1d0 [ 84.042699][ T5109] el0t_64_sync_handler+0xcc/0xe4 [ 84.043420][ T5109] el0t_64_sync+0x1a0/0x1a4 [ 84.044220][ T5109] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 84.045996][ T5109] CPU: 1 PID: 5109 Comm: syz.0.56 Not tainted syzkaller #0 [ 84.047202][ T5109] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.048681][ T5109] Call trace: [ 84.049157][ T5109] dump_backtrace+0x0/0x458 [ 84.049806][ T5109] show_stack+0x2c/0x3c [ 84.050419][ T5109] __dump_stack+0x30/0x40 [ 84.051104][ T5109] dump_stack_lvl+0xf4/0x15c [ 84.051856][ T5109] dump_stack+0x1c/0x5c [ 84.052468][ T5109] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 84.053307][ T5109] dccp_xmit_packet+0x298/0x448 [ 84.053989][ T5109] dccp_write_xmit+0x118/0x1d0 [ 84.054731][ T5109] dccp_sendmsg+0x550/0x8b8 [ 84.055387][ T5109] inet_sendmsg+0x154/0x284 [ 84.056157][ T5109] __sys_sendto+0x30c/0x420 [ 84.056813][ T5109] __arm64_sys_sendto+0xd8/0xf8 [ 84.057607][ T5109] invoke_syscall+0x98/0x2b0 [ 84.058352][ T5109] el0_svc_common+0x138/0x258 [ 84.059084][ T5109] do_el0_svc+0x58/0x13c [ 84.059705][ T5109] el0_svc+0x78/0x1d0 [ 84.060322][ T5109] el0t_64_sync_handler+0xcc/0xe4 [ 84.061054][ T5109] el0t_64_sync+0x1a0/0x1a4 [ 84.061813][ T5109] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 84.063301][ T5109] CPU: 1 PID: 5109 Comm: syz.0.56 Not tainted syzkaller #0 [ 84.064322][ T5109] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.065751][ T5109] Call trace: [ 84.066239][ T5109] dump_backtrace+0x0/0x458 [ 84.066934][ T5109] show_stack+0x2c/0x3c [ 84.067573][ T5109] __dump_stack+0x30/0x40 [ 84.068192][ T5109] dump_stack_lvl+0xf4/0x15c [ 84.068882][ T5109] dump_stack+0x1c/0x5c [ 84.069467][ T5109] ccid3_hc_tx_packet_sent+0x240/0x2c4 [ 84.070238][ T5109] dccp_xmit_packet+0x298/0x448 [ 84.071009][ T5109] dccp_write_xmit+0x118/0x1d0 [ 84.071690][ T5109] dccp_sendmsg+0x550/0x8b8 [ 84.072349][ T5109] inet_sendmsg+0x154/0x284 [ 84.073000][ T5109] __sys_sendto+0x30c/0x420 [ 84.073669][ T5109] __arm64_sys_sendto+0xd8/0xf8 [ 84.074404][ T5109] invoke_syscall+0x98/0x2b0 [ 84.075091][ T5109] el0_svc_common+0x138/0x258 [ 84.075792][ T5109] do_el0_svc+0x58/0x13c [ 84.076428][ T5109] el0_svc+0x78/0x1d0