[ 68.163093][ T1806] device veth1_vlan left promiscuous mode [ 68.164112][ T1806] device veth0_vlan left promiscuous mode [ 68.356553][ T1806] team0 (unregistering): Port device team_slave_1 removed [ 68.365686][ T1806] team0 (unregistering): Port device team_slave_0 removed [ 68.375363][ T1806] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 68.418024][ T1806] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 68.568716][ T1806] bond0 (unregistering): Released all slaves [ 69.612424][ T1964] cfg80211: failed to load regulatory.db [ 69.622398][ T2060] ieee802154 phy0 wpan0: encryption failed: -22 [ 69.623629][ T2060] ieee802154 phy1 wpan1: encryption failed: -22 Warning: Permanently added '10.128.0.93' (ED25519) to the list of known hosts. 1970/01/01 00:01:22 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:01:23 parsed 1 programs [ 85.988651][ T4431] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 93.038325][ T4472] chnl_net:caif_netlink_parms(): no params data found [ 93.074201][ T4472] bridge0: port 1(bridge_slave_0) entered blocking state [ 93.076180][ T4472] bridge0: port 1(bridge_slave_0) entered disabled state [ 93.078856][ T4472] device bridge_slave_0 entered promiscuous mode [ 93.084287][ T4472] bridge0: port 2(bridge_slave_1) entered blocking state [ 93.086238][ T4472] bridge0: port 2(bridge_slave_1) entered disabled state [ 93.088876][ T4472] device bridge_slave_1 entered promiscuous mode [ 93.104596][ T4472] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 93.109116][ T4472] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 93.125921][ T4472] team0: Port device team_slave_0 added [ 93.129244][ T4472] team0: Port device team_slave_1 added [ 93.151788][ T4472] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 93.153631][ T4472] 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. [ 93.162402][ T4472] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 93.166642][ T4472] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 93.168529][ T4472] 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. [ 93.176032][ T4472] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 93.252647][ T4472] device hsr_slave_0 entered promiscuous mode [ 93.292173][ T4472] device hsr_slave_1 entered promiscuous mode [ 94.074671][ T4472] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 94.102700][ T4472] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 94.145561][ T4472] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 94.185196][ T4472] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 94.284565][ T4472] 8021q: adding VLAN 0 to HW filter on device bond0 [ 94.295263][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 94.298010][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 94.306568][ T4472] 8021q: adding VLAN 0 to HW filter on device team0 [ 94.313581][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 94.316382][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 94.318938][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 94.320919][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 94.333970][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 94.337057][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 94.340161][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 94.343103][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 94.345095][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 94.347626][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 94.361108][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 94.364070][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 94.367907][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 94.371068][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 94.373920][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 94.376626][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 94.379359][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 94.392172][ T4472] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 94.395507][ T4472] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 94.398013][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 94.401020][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 94.405252][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 94.486484][ T1657] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 94.488902][ T1657] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 94.502268][ T4472] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 94.516966][ T1657] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 94.519798][ T1657] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 94.534401][ T1657] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 94.537085][ T1657] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 94.540019][ T1657] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 94.542887][ T1657] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 94.547286][ T4472] device veth0_vlan entered promiscuous mode [ 94.556207][ T4472] device veth1_vlan entered promiscuous mode [ 94.572266][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 94.575287][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 94.577964][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 94.582498][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 94.586740][ T4472] device veth0_macvtap entered promiscuous mode [ 94.591066][ T4472] device veth1_macvtap entered promiscuous mode [ 94.605542][ T4472] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 94.607629][ T1657] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 94.610190][ T1657] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 94.616380][ T1657] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 94.618954][ T1657] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 94.624462][ T4472] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 94.628487][ T4472] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 94.632344][ T4472] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 94.634719][ T4472] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 94.636969][ T4472] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 94.641291][ T1657] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 94.643889][ T1657] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 95.518902][ T1657] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 95.523255][ T1657] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 95.526322][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 95.545257][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 95.547546][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 95.551574][ T406] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:01:35 executed programs: 0 [ 96.137892][ T4658] chnl_net:caif_netlink_parms(): no params data found [ 96.184984][ T4658] bridge0: port 1(bridge_slave_0) entered blocking state [ 96.186878][ T4658] bridge0: port 1(bridge_slave_0) entered disabled state [ 96.189497][ T4658] device bridge_slave_0 entered promiscuous mode [ 96.197032][ T4658] bridge0: port 2(bridge_slave_1) entered blocking state [ 96.198881][ T4658] bridge0: port 2(bridge_slave_1) entered disabled state [ 96.201597][ T4658] device bridge_slave_1 entered promiscuous mode [ 96.220791][ T4658] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 96.225561][ T4658] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 96.244494][ T4658] team0: Port device team_slave_0 added [ 96.248073][ T4658] team0: Port device team_slave_1 added [ 96.264181][ T4658] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 96.266073][ T4658] 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. [ 96.275817][ T4658] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 96.280804][ T4658] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 96.282740][ T4658] 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. [ 96.289364][ T4658] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 96.365570][ T4658] device hsr_slave_0 entered promiscuous mode [ 96.383955][ T4658] device hsr_slave_1 entered promiscuous mode [ 96.431464][ T4658] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 96.433615][ T4658] Cannot create hsr debugfs directory [ 96.521641][ T4658] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 98.092065][ T4103] Bluetooth: hci0: command 0x0409 tx timeout [ 99.696808][ T4658] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 99.768103][ T4658] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 99.819661][ T4658] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 99.958638][ T4658] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 99.992894][ T4658] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 100.023639][ T4658] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 100.062973][ T4658] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 100.170921][ T4099] Bluetooth: hci0: command 0x041b tx timeout [ 100.179201][ T4658] 8021q: adding VLAN 0 to HW filter on device bond0 [ 100.187524][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 100.190084][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 100.226590][ T4658] 8021q: adding VLAN 0 to HW filter on device team0 [ 100.232656][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 100.235371][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 100.239144][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 100.241233][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 100.246054][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 100.252501][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 100.255186][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 100.257632][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 100.259447][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 100.265367][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 100.275374][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 100.278354][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 100.281455][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 100.284249][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 100.289102][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 100.293564][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 100.298362][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 100.301573][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 100.307742][ T4658] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 100.312903][ T4658] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 100.315649][ T1657] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 100.318290][ T1657] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 100.392215][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 100.394298][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 100.400772][ T4658] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 100.413042][ T1657] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 100.415744][ T1657] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 100.451460][ T1657] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 100.454169][ T1657] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 100.458364][ T1657] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 100.461583][ T1657] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 100.465142][ T4658] device veth0_vlan entered promiscuous mode [ 100.472109][ T4658] device veth1_vlan entered promiscuous mode [ 100.487441][ T1657] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 100.490034][ T1657] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 100.493624][ T1657] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 100.496367][ T1657] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 100.501394][ T4658] device veth0_macvtap entered promiscuous mode [ 100.506567][ T4658] device veth1_macvtap entered promiscuous mode [ 100.518672][ T4658] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 100.522202][ T4658] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 100.525838][ T4658] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 100.527953][ T1657] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 100.531886][ T1657] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 100.534425][ T1657] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 100.537114][ T1657] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 100.542014][ T4658] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 100.544836][ T4658] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 100.548448][ T4658] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 100.553342][ T1657] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 100.557507][ T1657] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 100.563043][ T4658] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 100.565423][ T4658] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 100.567649][ T4658] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 100.569819][ T4658] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 100.625689][ T406] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 100.627946][ T406] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 100.631196][ T1657] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 100.646468][ T1657] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 100.648659][ T1657] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 100.655943][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 100.693571][ T4855] dccp_xmit_packet: Payload too large (65475) for featneg. [ 100.741421][ T4857] dccp_xmit_packet: Payload too large (65475) for featneg. [ 100.757425][ T4857] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 100.760386][ T4857] CPU: 0 PID: 4857 Comm: syz.0.17 Not tainted 5.15.178-syzkaller #0 [ 100.762482][ T4857] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 100.765247][ T4857] Call trace: [ 100.766108][ T4857] dump_backtrace+0x0/0x530 [ 100.767330][ T4857] show_stack+0x2c/0x3c [ 100.768457][ T4857] dump_stack_lvl+0x108/0x170 [ 100.769691][ T4857] dump_stack+0x1c/0x58 [ 100.770756][ T4857] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 100.772273][ T4857] dccp_xmit_packet+0x298/0x448 [ 100.773508][ T4857] dccp_write_xmit+0x128/0x208 [ 100.774757][ T4857] dccp_sendmsg+0x608/0xae0 [ 100.775931][ T4857] inet_sendmsg+0x15c/0x290 [ 100.777181][ T4857] __sys_sendto+0x388/0x4d0 [ 100.778337][ T4857] __arm64_sys_sendto+0xd8/0xf8 [ 100.779634][ T4857] invoke_syscall+0x98/0x2b8 [ 100.780839][ T4857] el0_svc_common+0x138/0x258 [ 100.782143][ T4857] do_el0_svc+0x58/0x14c [ 100.783259][ T4857] el0_svc+0x7c/0x1f0 [ 100.784350][ T4857] el0t_64_sync_handler+0x84/0xe4 [ 100.785632][ T4857] el0t_64_sync+0x1a0/0x1a4 [ 100.790196][ T4857] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 100.795143][ T4857] CPU: 0 PID: 4857 Comm: syz.0.17 Not tainted 5.15.178-syzkaller #0 [ 100.797249][ T4857] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 100.799971][ T4857] Call trace: [ 100.800825][ T4857] dump_backtrace+0x0/0x530 [ 100.802058][ T4857] show_stack+0x2c/0x3c [ 100.803259][ T4857] dump_stack_lvl+0x108/0x170 [ 100.804523][ T4857] dump_stack+0x1c/0x58 [ 100.805681][ T4857] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 100.807201][ T4857] dccp_xmit_packet+0x298/0x448 [ 100.808531][ T4857] dccp_write_xmit+0x128/0x208 [ 100.809855][ T4857] dccp_sendmsg+0x608/0xae0 [ 100.811164][ T4857] inet_sendmsg+0x15c/0x290 [ 100.812366][ T4857] __sys_sendto+0x388/0x4d0 [ 100.813628][ T4857] __arm64_sys_sendto+0xd8/0xf8 [ 100.814985][ T4857] invoke_syscall+0x98/0x2b8 [ 100.816278][ T4857] el0_svc_common+0x138/0x258 [ 100.817514][ T4857] do_el0_svc+0x58/0x14c [ 100.818616][ T4857] el0_svc+0x7c/0x1f0 [ 100.819674][ T4857] el0t_64_sync_handler+0x84/0xe4 [ 100.820986][ T4857] el0t_64_sync+0x1a0/0x1a4 [ 100.824108][ T4857] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 100.827287][ T4857] CPU: 0 PID: 4857 Comm: syz.0.17 Not tainted 5.15.178-syzkaller #0 [ 100.829416][ T4857] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 100.832140][ T4857] Call trace: [ 100.833074][ T4857] dump_backtrace+0x0/0x530 [ 100.834286][ T4857] show_stack+0x2c/0x3c [ 100.835379][ T4857] dump_stack_lvl+0x108/0x170 [ 100.836646][ T4857] dump_stack+0x1c/0x58 [ 100.837813][ T4857] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 100.839311][ T4857] dccp_xmit_packet+0x298/0x448 [ 100.840570][ T4857] dccp_write_xmit+0x128/0x208 [ 100.841829][ T4857] dccp_sendmsg+0x608/0xae0 [ 100.843069][ T4857] inet_sendmsg+0x15c/0x290 [ 100.844284][ T4857] __sys_sendto+0x388/0x4d0 [ 100.845521][ T4857] __arm64_sys_sendto+0xd8/0xf8 [ 100.846813][ T4857] invoke_syscall+0x98/0x2b8 [ 100.847978][ T4857] el0_svc_common+0x138/0x258 [ 100.849201][ T4857] do_el0_svc+0x58/0x14c [ 100.850349][ T4857] el0_svc+0x7c/0x1f0 [ 100.851409][ T4857] el0t_64_sync_handler+0x84/0xe4 [ 100.852739][ T4857] el0t_64_sync+0x1a0/0x1a4 [ 100.854601][ T4857] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 100.858149][ T4857] CPU: 0 PID: 4857 Comm: syz.0.17 Not tainted 5.15.178-syzkaller #0 [ 100.860290][ T4857] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 100.862998][ T4857] Call trace: [ 100.863841][ T4857] dump_backtrace+0x0/0x530 [ 100.865000][ T4857] show_stack+0x2c/0x3c [ 100.866049][ T4857] dump_stack_lvl+0x108/0x170 [ 100.867232][ T4857] dump_stack+0x1c/0x58 [ 100.868309][ T4857] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 100.869771][ T4857] dccp_xmit_packet+0x298/0x448 [ 100.871048][ T4857] dccp_write_xmit+0x128/0x208 [ 100.872373][ T4857] dccp_sendmsg+0x608/0xae0 [ 100.873540][ T4857] inet_sendmsg+0x15c/0x290 [ 100.874928][ T4857] __sys_sendto+0x388/0x4d0 [ 100.876102][ T4857] __arm64_sys_sendto+0xd8/0xf8 [ 100.877386][ T4857] invoke_syscall+0x98/0x2b8 [ 100.878671][ T4857] el0_svc_common+0x138/0x258 [ 100.879901][ T4857] do_el0_svc+0x58/0x14c [ 100.881081][ T4857] el0_svc+0x7c/0x1f0 [ 100.882123][ T4857] el0t_64_sync_handler+0x84/0xe4 [ 100.883480][ T4857] el0t_64_sync+0x1a0/0x1a4 [ 100.885880][ T4857] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 100.888951][ T4857] CPU: 0 PID: 4857 Comm: syz.0.17 Not tainted 5.15.178-syzkaller #0 [ 100.891028][ T4857] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 100.893754][ T4857] Call trace: [ 100.894626][ T4857] dump_backtrace+0x0/0x530 [ 100.895850][ T4857] show_stack+0x2c/0x3c [ 100.896978][ T4857] dump_stack_lvl+0x108/0x170 [ 100.898282][ T4857] dump_stack+0x1c/0x58 [ 100.899395][ T4857] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 100.900866][ T4857] dccp_xmit_packet+0x298/0x448 [ 100.902129][ T4857] dccp_write_xmit+0x128/0x208 [ 100.903481][ T4857] dccp_sendmsg+0x608/0xae0 [ 100.904665][ T4857] inet_sendmsg+0x15c/0x290 [ 100.906006][ T4857] __sys_sendto+0x388/0x4d0 [ 100.907311][ T4857] __arm64_sys_sendto+0xd8/0xf8 [ 100.908596][ T4857] invoke_syscall+0x98/0x2b8 [ 100.909823][ T4857] el0_svc_common+0x138/0x258 [ 100.911043][ T4857] do_el0_svc+0x58/0x14c [ 100.912225][ T4857] el0_svc+0x7c/0x1f0 [ 100.913305][ T4857] el0t_64_sync_handler+0x84/0xe4 [ 100.914633][ T4857] el0t_64_sync+0x1a0/0x1a4 [ 100.916233][ T4857] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 100.919231][ T4857] CPU: 0 PID: 4857 Comm: syz.0.17 Not tainted 5.15.178-syzkaller #0 [ 100.921313][ T4857] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 100.924122][ T4857] Call trace: [ 100.924982][ T4857] dump_backtrace+0x0/0x530 [ 100.926204][ T4857] show_stack+0x2c/0x3c [ 100.927304][ T4857] dump_stack_lvl+0x108/0x170 [ 100.928496][ T4857] dump_stack+0x1c/0x58 [ 100.929584][ T4857] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 100.931111][ T4857] dccp_xmit_packet+0x298/0x448 [ 100.932406][ T4857] dccp_write_xmit+0x128/0x208 [ 100.933637][ T4857] dccp_sendmsg+0x608/0xae0 [ 100.934842][ T4857] inet_sendmsg+0x15c/0x290 [ 100.936100][ T4857] __sys_sendto+0x388/0x4d0 [ 100.937275][ T4857] __arm64_sys_sendto+0xd8/0xf8 [ 100.938586][ T4857] invoke_syscall+0x98/0x2b8 [ 100.939867][ T4857] el0_svc_common+0x138/0x258 [ 100.941142][ T4857] do_el0_svc+0x58/0x14c [ 100.942282][ T4857] el0_svc+0x7c/0x1f0 [ 100.943313][ T4857] el0t_64_sync_handler+0x84/0xe4 [ 100.944633][ T4857] el0t_64_sync+0x1a0/0x1a4 [ 100.946946][ T4857] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 100.949917][ T4857] CPU: 0 PID: 4857 Comm: syz.0.17 Not tainted 5.15.178-syzkaller #0 [ 100.952206][ T4857] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 100.954804][ T4857] Call trace: [ 100.955657][ T4857] dump_backtrace+0x0/0x530 [ 100.956887][ T4857] show_stack+0x2c/0x3c [ 100.958043][ T4857] dump_stack_lvl+0x108/0x170 [ 100.959300][ T4857] dump_stack+0x1c/0x58 [ 100.960431][ T4857] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 100.961923][ T4857] dccp_xmit_packet+0x298/0x448 [ 100.963245][ T4857] dccp_write_xmit+0x128/0x208 [ 100.964533][ T4857] dccp_sendmsg+0x608/0xae0 [ 100.965704][ T4857] inet_sendmsg+0x15c/0x290 [ 100.966909][ T4857] __sys_sendto+0x388/0x4d0 [ 100.968084][ T4857] __arm64_sys_sendto+0xd8/0xf8 [ 100.969365][ T4857] invoke_syscall+0x98/0x2b8 [ 100.970635][ T4857] el0_svc_common+0x138/0x258 [ 100.971827][ T4857] do_el0_svc+0x58/0x14c [ 100.972935][ T4857] el0_svc+0x7c/0x1f0 [ 100.974019][ T4857] el0t_64_sync_handler+0x84/0xe4 [ 100.975494][ T4857] el0t_64_sync+0x1a0/0x1a4 [ 100.977226][ T4857] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 100.980195][ T4857] CPU: 0 PID: 4857 Comm: syz.0.17 Not tainted 5.15.178-syzkaller #0 [ 100.982324][ T4857] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 100.984981][ T4857] Call trace: [ 100.985910][ T4857] dump_backtrace+0x0/0x530 [ 100.987094][ T4857] show_stack+0x2c/0x3c [ 100.988163][ T4857] dump_stack_lvl+0x108/0x170 [ 100.989435][ T4857] dump_stack+0x1c/0x58 [ 100.990522][ T4857] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 100.991953][ T4857] dccp_xmit_packet+0x298/0x448 [ 100.993307][ T4857] dccp_write_xmit+0x128/0x208 [ 100.994605][ T4857] dccp_sendmsg+0x608/0xae0 [ 100.995863][ T4857] inet_sendmsg+0x15c/0x290 [ 100.997059][ T4857] __sys_sendto+0x388/0x4d0 [ 100.998294][ T4857] __arm64_sys_sendto+0xd8/0xf8 [ 100.999591][ T4857] invoke_syscall+0x98/0x2b8 [ 101.000840][ T4857] el0_svc_common+0x138/0x258 [ 101.002104][ T4857] do_el0_svc+0x58/0x14c [ 101.003179][ T4857] el0_svc+0x7c/0x1f0 [ 101.004246][ T4857] el0t_64_sync_handler+0x84/0xe4 [ 101.005583][ T4857] el0t_64_sync+0x1a0/0x1a4 [ 101.007816][ T4857] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 101.010951][ T4857] CPU: 0 PID: 4857 Comm: syz.0.17 Not tainted 5.15.178-syzkaller #0 [ 101.013084][ T4857] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 101.015802][ T4857] Call trace: [ 101.016734][ T4857] dump_backtrace+0x0/0x530 [ 101.017949][ T4857] show_stack+0x2c/0x3c [ 101.019077][ T4857] dump_stack_lvl+0x108/0x170 [ 101.020356][ T4857] dump_stack+0x1c/0x58 [ 101.021514][ T4857] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 101.022997][ T4857] dccp_xmit_packet+0x298/0x448 [ 101.024243][ T4857] dccp_write_xmit+0x128/0x208 [ 101.025551][ T4857] dccp_sendmsg+0x608/0xae0 [ 101.026850][ T4857] inet_sendmsg+0x15c/0x290 [ 101.028090][ T4857] __sys_sendto+0x388/0x4d0 [ 101.029248][ T4857] __arm64_sys_sendto+0xd8/0xf8 [ 101.030580][ T4857] invoke_syscall+0x98/0x2b8 [ 101.031846][ T4857] el0_svc_common+0x138/0x258 [ 101.033084][ T4857] do_el0_svc+0x58/0x14c [ 101.034227][ T4857] el0_svc+0x7c/0x1f0 [ 101.035300][ T4857] el0t_64_sync_handler+0x84/0xe4 [ 101.036676][ T4857] el0t_64_sync+0x1a0/0x1a4 [ 101.070021][ T4859] dccp_xmit_packet: Payload too large (65475) for featneg. 1970/01/01 00:01:41 executed programs: 4 [ 101.134064][ T4861] dccp_xmit_packet: Payload too large (65475) for featneg. [ 101.155173][ T4861] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 101.158263][ T4861] CPU: 0 PID: 4861 Comm: syz.0.19 Not tainted 5.15.178-syzkaller #0 [ 101.160461][ T4861] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 101.163140][ T4861] Call trace: [ 101.164027][ T4861] dump_backtrace+0x0/0x530 [ 101.165250][ T4861] show_stack+0x2c/0x3c [ 101.166321][ T4861] dump_stack_lvl+0x108/0x170 [ 101.167525][ T4861] dump_stack+0x1c/0x58 [ 101.168633][ T4861] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 101.170071][ T4861] dccp_xmit_packet+0x298/0x448 [ 101.171375][ T4861] dccp_write_xmit+0x128/0x208 [ 101.172635][ T4861] dccp_sendmsg+0x608/0xae0 [ 101.173802][ T4861] inet_sendmsg+0x15c/0x290 [ 101.175040][ T4861] __sys_sendto+0x388/0x4d0 [ 101.176277][ T4861] __arm64_sys_sendto+0xd8/0xf8 [ 101.177523][ T4861] invoke_syscall+0x98/0x2b8 [ 101.178721][ T4861] el0_svc_common+0x138/0x258 [ 101.179947][ T4861] do_el0_svc+0x58/0x14c [ 101.181107][ T4861] el0_svc+0x7c/0x1f0 [ 101.182164][ T4861] el0t_64_sync_handler+0x84/0xe4 [ 101.183547][ T4861] el0t_64_sync+0x1a0/0x1a4 [ 101.188437][ T4861] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 101.192427][ T4861] CPU: 1 PID: 4861 Comm: syz.0.19 Not tainted 5.15.178-syzkaller #0 [ 101.194549][ T4861] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 101.197300][ T4861] Call trace: [ 101.198214][ T4861] dump_backtrace+0x0/0x530 [ 101.199391][ T4861] show_stack+0x2c/0x3c [ 101.200500][ T4861] dump_stack_lvl+0x108/0x170 [ 101.201792][ T4861] dump_stack+0x1c/0x58 [ 101.202924][ T4861] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 101.204387][ T4861] dccp_xmit_packet+0x298/0x448 [ 101.205711][ T4861] dccp_write_xmit+0x128/0x208 [ 101.207005][ T4861] dccp_sendmsg+0x608/0xae0 [ 101.208202][ T4861] inet_sendmsg+0x15c/0x290 [ 101.209406][ T4861] __sys_sendto+0x388/0x4d0 [ 101.210675][ T4861] __arm64_sys_sendto+0xd8/0xf8 [ 101.212017][ T4861] invoke_syscall+0x98/0x2b8 [ 101.213246][ T4861] el0_svc_common+0x138/0x258 [ 101.214541][ T4861] do_el0_svc+0x58/0x14c [ 101.215692][ T4861] el0_svc+0x7c/0x1f0 [ 101.216783][ T4861] el0t_64_sync_handler+0x84/0xe4 [ 101.218161][ T4861] el0t_64_sync+0x1a0/0x1a4 [ 101.220378][ T4861] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 101.223535][ T4861] CPU: 1 PID: 4861 Comm: syz.0.19 Not tainted 5.15.178-syzkaller #0 [ 101.225594][ T4861] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 101.228275][ T4861] Call trace: [ 101.229121][ T4861] dump_backtrace+0x0/0x530 [ 101.230321][ T4861] show_stack+0x2c/0x3c [ 101.231444][ T4861] dump_stack_lvl+0x108/0x170 [ 101.232749][ T4861] dump_stack+0x1c/0x58 [ 101.233937][ T4861] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 101.235458][ T4861] dccp_xmit_packet+0x298/0x448 [ 101.236761][ T4861] dccp_write_xmit+0x128/0x208 [ 101.238045][ T4861] dccp_sendmsg+0x608/0xae0 [ 101.239282][ T4861] inet_sendmsg+0x15c/0x290 [ 101.240558][ T4861] __sys_sendto+0x388/0x4d0 [ 101.241892][ T4861] __arm64_sys_sendto+0xd8/0xf8 [ 101.243234][ T4861] invoke_syscall+0x98/0x2b8 [ 101.244542][ T4861] el0_svc_common+0x138/0x258 [ 101.245835][ T4861] do_el0_svc+0x58/0x14c [ 101.247116][ T4861] el0_svc+0x7c/0x1f0 [ 101.248232][ T4861] el0t_64_sync_handler+0x84/0xe4 [ 101.249655][ T4861] el0t_64_sync+0x1a0/0x1a4 [ 101.251960][ T4861] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 101.254930][ T4861] CPU: 1 PID: 4861 Comm: syz.0.19 Not tainted 5.15.178-syzkaller #0 [ 101.257076][ T4861] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 101.259807][ T4861] Call trace: [ 101.260657][ T4861] dump_backtrace+0x0/0x530 [ 101.261937][ T4861] show_stack+0x2c/0x3c [ 101.263044][ T4861] dump_stack_lvl+0x108/0x170 [ 101.264302][ T4861] dump_stack+0x1c/0x58 [ 101.265429][ T4861] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 101.266945][ T4861] dccp_xmit_packet+0x298/0x448 [ 101.268267][ T4861] dccp_write_xmit+0x128/0x208 [ 101.269537][ T4861] dccp_sendmsg+0x608/0xae0 [ 101.270833][ T4861] inet_sendmsg+0x15c/0x290 [ 101.272123][ T4861] __sys_sendto+0x388/0x4d0 [ 101.273398][ T4861] __arm64_sys_sendto+0xd8/0xf8 [ 101.274711][ T4861] invoke_syscall+0x98/0x2b8 [ 101.275964][ T4861] el0_svc_common+0x138/0x258 [ 101.277245][ T4861] do_el0_svc+0x58/0x14c [ 101.278332][ T4861] el0_svc+0x7c/0x1f0 [ 101.279445][ T4861] el0t_64_sync_handler+0x84/0xe4 [ 101.280827][ T4861] el0t_64_sync+0x1a0/0x1a4 [ 101.282762][ T4861] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 101.285756][ T4861] CPU: 1 PID: 4861 Comm: syz.0.19 Not tainted 5.15.178-syzkaller #0 [ 101.287830][ T4861] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 101.290367][ T4861] Call trace: [ 101.291261][ T4861] dump_backtrace+0x0/0x530 [ 101.292499][ T4861] show_stack+0x2c/0x3c [ 101.293573][ T4861] dump_stack_lvl+0x108/0x170 [ 101.294866][ T4861] dump_stack+0x1c/0x58 [ 101.296037][ T4861] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 101.297445][ T4861] dccp_xmit_packet+0x298/0x448 [ 101.298762][ T4861] dccp_write_xmit+0x128/0x208 [ 101.300040][ T4861] dccp_sendmsg+0x608/0xae0 [ 101.301291][ T4861] inet_sendmsg+0x15c/0x290 [ 101.302522][ T4861] __sys_sendto+0x388/0x4d0 [ 101.303738][ T4861] __arm64_sys_sendto+0xd8/0xf8 [ 101.305042][ T4861] invoke_syscall+0x98/0x2b8 [ 101.306315][ T4861] el0_svc_common+0x138/0x258 [ 101.307564][ T4861] do_el0_svc+0x58/0x14c [ 101.308722][ T4861] el0_svc+0x7c/0x1f0 [ 101.309891][ T4861] el0t_64_sync_handler+0x84/0xe4 [ 101.311310][ T4861] el0t_64_sync+0x1a0/0x1a4 [ 101.315333][ T4861] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 101.318294][ T4861] CPU: 1 PID: 4861 Comm: syz.0.19 Not tainted 5.15.178-syzkaller #0 [ 101.320374][ T4861] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 101.322965][ T4861] Call trace: [ 101.323836][ T4861] dump_backtrace+0x0/0x530 [ 101.325004][ T4861] show_stack+0x2c/0x3c [ 101.326135][ T4861] dump_stack_lvl+0x108/0x170 [ 101.327369][ T4861] dump_stack+0x1c/0x58 [ 101.328465][ T4861] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 101.329975][ T4861] dccp_xmit_packet+0x298/0x448 [ 101.331299][ T4861] dccp_write_xmit+0x128/0x208 [ 101.332567][ T4861] dccp_sendmsg+0x608/0xae0 [ 101.333772][ T4861] inet_sendmsg+0x15c/0x290 [ 101.335039][ T4861] __sys_sendto+0x388/0x4d0 [ 101.336353][ T4861] __arm64_sys_sendto+0xd8/0xf8 [ 101.337644][ T4861] invoke_syscall+0x98/0x2b8 [ 101.338862][ T4861] el0_svc_common+0x138/0x258 [ 101.340131][ T4861] do_el0_svc+0x58/0x14c [ 101.341248][ T4861] el0_svc+0x7c/0x1f0 [ 101.342329][ T4861] el0t_64_sync_handler+0x84/0xe4 [ 101.343693][ T4861] el0t_64_sync+0x1a0/0x1a4 [ 101.346028][ T4861] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 101.348966][ T4861] CPU: 1 PID: 4861 Comm: syz.0.19 Not tainted 5.15.178-syzkaller #0 [ 101.351060][ T4861] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 101.353759][ T4861] Call trace: [ 101.354650][ T4861] dump_backtrace+0x0/0x530 [ 101.355833][ T4861] show_stack+0x2c/0x3c [ 101.356918][ T4861] dump_stack_lvl+0x108/0x170 [ 101.358162][ T4861] dump_stack+0x1c/0x58 [ 101.359287][ T4861] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 101.360790][ T4861] dccp_xmit_packet+0x298/0x448 [ 101.362119][ T4861] dccp_write_xmit+0x128/0x208 [ 101.363423][ T4861] dccp_sendmsg+0x608/0xae0 [ 101.364629][ T4861] inet_sendmsg+0x15c/0x290 [ 101.365840][ T4861] __sys_sendto+0x388/0x4d0 [ 101.367087][ T4861] __arm64_sys_sendto+0xd8/0xf8 [ 101.368443][ T4861] invoke_syscall+0x98/0x2b8 [ 101.369658][ T4861] el0_svc_common+0x138/0x258 [ 101.370888][ T4861] do_el0_svc+0x58/0x14c [ 101.372074][ T4861] el0_svc+0x7c/0x1f0 [ 101.373158][ T4861] el0t_64_sync_handler+0x84/0xe4 [ 101.374502][ T4861] el0t_64_sync+0x1a0/0x1a4 [ 101.378873][ T4861] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 101.381997][ T4861] CPU: 1 PID: 4861 Comm: syz.0.19 Not tainted 5.15.178-syzkaller #0 [ 101.384101][ T4861] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 101.386689][ T4861] Call trace: [ 101.387564][ T4861] dump_backtrace+0x0/0x530 [ 101.388764][ T4861] show_stack+0x2c/0x3c [ 101.389828][ T4861] dump_stack_lvl+0x108/0x170 [ 101.391042][ T4861] dump_stack+0x1c/0x58 [ 101.392137][ T4861] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 101.393588][ T4861] dccp_xmit_packet+0x298/0x448 [ 101.394846][ T4861] dccp_write_xmit+0x128/0x208 [ 101.396184][ T4861] dccp_sendmsg+0x608/0xae0 [ 101.397387][ T4861] inet_sendmsg+0x15c/0x290 [ 101.398637][ T4861] __sys_sendto+0x388/0x4d0 [ 101.399878][ T4861] __arm64_sys_sendto+0xd8/0xf8 [ 101.401170][ T4861] invoke_syscall+0x98/0x2b8 [ 101.402421][ T4861] el0_svc_common+0x138/0x258 [ 101.403705][ T4861] do_el0_svc+0x58/0x14c [ 101.404809][ T4861] el0_svc+0x7c/0x1f0 [ 101.405907][ T4861] el0t_64_sync_handler+0x84/0xe4 [ 101.407258][ T4861] el0t_64_sync+0x1a0/0x1a4 [ 101.441306][ T4863] dccp_xmit_packet: Payload too large (65475) for featneg. [ 101.485128][ T4865] dccp_xmit_packet: Payload too large (65475) for featneg. [ 101.510627][ T4865] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 101.513811][ T4865] CPU: 0 PID: 4865 Comm: syz.0.21 Not tainted 5.15.178-syzkaller #0 [ 101.515935][ T4865] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 101.518622][ T4865] Call trace: [ 101.519497][ T4865] dump_backtrace+0x0/0x530 [ 101.520678][ T4865] show_stack+0x2c/0x3c [ 101.521791][ T4865] dump_stack_lvl+0x108/0x170 [ 101.522967][ T4865] dump_stack+0x1c/0x58 [ 101.524064][ T4865] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 101.525526][ T4865] dccp_xmit_packet+0x298/0x448 [ 101.526864][ T4865] dccp_write_xmit+0x128/0x208 [ 101.528194][ T4865] dccp_sendmsg+0x608/0xae0 [ 101.529476][ T4865] inet_sendmsg+0x15c/0x290 [ 101.530658][ T4865] __sys_sendto+0x388/0x4d0 [ 101.531868][ T4865] __arm64_sys_sendto+0xd8/0xf8 [ 101.533204][ T4865] invoke_syscall+0x98/0x2b8 [ 101.534486][ T4865] el0_svc_common+0x138/0x258 [ 101.535710][ T4865] do_el0_svc+0x58/0x14c [ 101.536818][ T4865] el0_svc+0x7c/0x1f0 [ 101.537884][ T4865] el0t_64_sync_handler+0x84/0xe4 [ 101.539199][ T4865] el0t_64_sync+0x1a0/0x1a4 [ 101.542508][ T4865] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 101.547498][ T4865] CPU: 0 PID: 4865 Comm: syz.0.21 Not tainted 5.15.178-syzkaller #0 [ 101.549717][ T4865] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 101.552418][ T4865] Call trace: [ 101.553315][ T4865] dump_backtrace+0x0/0x530 [ 101.554542][ T4865] show_stack+0x2c/0x3c [ 101.555659][ T4865] dump_stack_lvl+0x108/0x170 [ 101.556854][ T4865] dump_stack+0x1c/0x58 [ 101.558035][ T4865] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 101.559489][ T4865] dccp_xmit_packet+0x298/0x448 [ 101.560770][ T4865] dccp_write_xmit+0x128/0x208 [ 101.562045][ T4865] dccp_sendmsg+0x608/0xae0 [ 101.563311][ T4865] inet_sendmsg+0x15c/0x290 [ 101.564498][ T4865] __sys_sendto+0x388/0x4d0 [ 101.565686][ T4865] __arm64_sys_sendto+0xd8/0xf8 [ 101.567052][ T4865] invoke_syscall+0x98/0x2b8 [ 101.568293][ T4865] el0_svc_common+0x138/0x258 [ 101.569551][ T4865] do_el0_svc+0x58/0x14c [ 101.570736][ T4865] el0_svc+0x7c/0x1f0 [ 101.571810][ T4865] el0t_64_sync_handler+0x84/0xe4 [ 101.573231][ T4865] el0t_64_sync+0x1a0/0x1a4 [ 101.574980][ T4865] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 101.578139][ T4865] CPU: 0 PID: 4865 Comm: syz.0.21 Not tainted 5.15.178-syzkaller #0 [ 101.580274][ T4865] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 101.582916][ T4865] Call trace: [ 101.583787][ T4865] dump_backtrace+0x0/0x530 [ 101.584997][ T4865] show_stack+0x2c/0x3c [ 101.586024][ T4865] dump_stack_lvl+0x108/0x170 [ 101.587303][ T4865] dump_stack+0x1c/0x58 [ 101.588424][ T4865] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 101.589890][ T4865] dccp_xmit_packet+0x298/0x448 [ 101.591177][ T4865] dccp_write_xmit+0x128/0x208 [ 101.592397][ T4865] dccp_sendmsg+0x608/0xae0 [ 101.593573][ T4865] inet_sendmsg+0x15c/0x290 [ 101.594890][ T4865] __sys_sendto+0x388/0x4d0 [ 101.596178][ T4865] __arm64_sys_sendto+0xd8/0xf8 [ 101.597475][ T4865] invoke_syscall+0x98/0x2b8 [ 101.598832][ T4865] el0_svc_common+0x138/0x258 [ 101.600075][ T4865] do_el0_svc+0x58/0x14c [ 101.601225][ T4865] el0_svc+0x7c/0x1f0 [ 101.602307][ T4865] el0t_64_sync_handler+0x84/0xe4 [ 101.603630][ T4865] el0t_64_sync+0x1a0/0x1a4 [ 101.605658][ T4865] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 101.608817][ T4865] CPU: 0 PID: 4865 Comm: syz.0.21 Not tainted 5.15.178-syzkaller #0 [ 101.611109][ T4865] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 101.613744][ T4865] Call trace: [ 101.614624][ T4865] dump_backtrace+0x0/0x530 [ 101.615834][ T4865] show_stack+0x2c/0x3c [ 101.617004][ T4865] dump_stack_lvl+0x108/0x170 [ 101.618267][ T4865] dump_stack+0x1c/0x58 [ 101.619371][ T4865] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 101.620889][ T4865] dccp_xmit_packet+0x298/0x448 [ 101.622242][ T4865] dccp_write_xmit+0x128/0x208 [ 101.623502][ T4865] dccp_sendmsg+0x608/0xae0 [ 101.624735][ T4865] inet_sendmsg+0x15c/0x290 [ 101.625942][ T4865] __sys_sendto+0x388/0x4d0 [ 101.627124][ T4865] __arm64_sys_sendto+0xd8/0xf8 [ 101.628386][ T4865] invoke_syscall+0x98/0x2b8 [ 101.629594][ T4865] el0_svc_common+0x138/0x258 [ 101.630873][ T4865] do_el0_svc+0x58/0x14c [ 101.632039][ T4865] el0_svc+0x7c/0x1f0 [ 101.633120][ T4865] el0t_64_sync_handler+0x84/0xe4 [ 101.634496][ T4865] el0t_64_sync+0x1a0/0x1a4 [ 101.638032][ T4865] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 101.641325][ T4865] CPU: 1 PID: 4865 Comm: syz.0.21 Not tainted 5.15.178-syzkaller #0 [ 101.643546][ T4865] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 101.646166][ T4865] Call trace: [ 101.647000][ T4865] dump_backtrace+0x0/0x530 [ 101.648186][ T4865] show_stack+0x2c/0x3c [ 101.649223][ T4865] dump_stack_lvl+0x108/0x170 [ 101.650442][ T4865] dump_stack+0x1c/0x58 [ 101.651521][ T4865] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 101.652950][ T4865] dccp_xmit_packet+0x298/0x448 [ 101.654234][ T4865] dccp_write_xmit+0x128/0x208 [ 101.655501][ T4865] dccp_sendmsg+0x608/0xae0 [ 101.656620][ T4865] inet_sendmsg+0x15c/0x290 [ 101.657811][ T4865] __sys_sendto+0x388/0x4d0 [ 101.659018][ T4865] __arm64_sys_sendto+0xd8/0xf8 [ 101.660239][ T4865] invoke_syscall+0x98/0x2b8 [ 101.661476][ T4865] el0_svc_common+0x138/0x258 [ 101.662681][ T4865] do_el0_svc+0x58/0x14c [ 101.663790][ T4865] el0_svc+0x7c/0x1f0 [ 101.664793][ T4865] el0t_64_sync_handler+0x84/0xe4 [ 101.666138][ T4865] el0t_64_sync+0x1a0/0x1a4 [ 101.670970][ T4865] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 101.674019][ T4865] CPU: 1 PID: 4865 Comm: syz.0.21 Not tainted 5.15.178-syzkaller #0 [ 101.676134][ T4865] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 101.678728][ T4865] Call trace: [ 101.679593][ T4865] dump_backtrace+0x0/0x530 [ 101.680829][ T4865] show_stack+0x2c/0x3c [ 101.681928][ T4865] dump_stack_lvl+0x108/0x170 [ 101.683303][ T4865] dump_stack+0x1c/0x58 [ 101.684363][ T4865] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 101.685896][ T4865] dccp_xmit_packet+0x298/0x448 [ 101.687146][ T4865] dccp_write_xmit+0x128/0x208 [ 101.688414][ T4865] dccp_sendmsg+0x608/0xae0 [ 101.689624][ T4865] inet_sendmsg+0x15c/0x290 [ 101.690799][ T4865] __sys_sendto+0x388/0x4d0 [ 101.692026][ T4865] __arm64_sys_sendto+0xd8/0xf8 [ 101.693361][ T4865] invoke_syscall+0x98/0x2b8 [ 101.694591][ T4865] el0_svc_common+0x138/0x258 [ 101.695804][ T4865] do_el0_svc+0x58/0x14c [ 101.696909][ T4865] el0_svc+0x7c/0x1f0 [ 101.697988][ T4865] el0t_64_sync_handler+0x84/0xe4 [ 101.699335][ T4865] el0t_64_sync+0x1a0/0x1a4 [ 101.704978][ T4865] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 101.708015][ T4865] CPU: 1 PID: 4865 Comm: syz.0.21 Not tainted 5.15.178-syzkaller #0 [ 101.710165][ T4865] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 101.712863][ T4865] Call trace: [ 101.713757][ T4865] dump_backtrace+0x0/0x530 [ 101.714941][ T4865] show_stack+0x2c/0x3c [ 101.716056][ T4865] dump_stack_lvl+0x108/0x170 [ 101.717273][ T4865] dump_stack+0x1c/0x58 [ 101.718387][ T4865] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 101.719870][ T4865] dccp_xmit_packet+0x298/0x448 [ 101.721161][ T4865] dccp_write_xmit+0x128/0x208 [ 101.722418][ T4865] dccp_sendmsg+0x608/0xae0 [ 101.723601][ T4865] inet_sendmsg+0x15c/0x290 [ 101.724812][ T4865] __sys_sendto+0x388/0x4d0 [ 101.726073][ T4865] __arm64_sys_sendto+0xd8/0xf8 [ 101.727346][ T4865] invoke_syscall+0x98/0x2b8 [ 101.728605][ T4865] el0_svc_common+0x138/0x258 [ 101.729825][ T4865] do_el0_svc+0x58/0x14c [ 101.731021][ T4865] el0_svc+0x7c/0x1f0 [ 101.732060][ T4865] el0t_64_sync_handler+0x84/0xe4 [ 101.733402][ T4865] el0t_64_sync+0x1a0/0x1a4 [ 101.737794][ T4865] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 101.740904][ T4865] CPU: 1 PID: 4865 Comm: syz.0.21 Not tainted 5.15.178-syzkaller #0 [ 101.742956][ T4865] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 101.745650][ T4865] Call trace: [ 101.746538][ T4865] dump_backtrace+0x0/0x530 [ 101.747668][ T4865] show_stack+0x2c/0x3c [ 101.748729][ T4865] dump_stack_lvl+0x108/0x170 [ 101.750022][ T4865] dump_stack+0x1c/0x58 [ 101.751148][ T4865] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 101.752556][ T4865] dccp_xmit_packet+0x298/0x448 [ 101.753841][ T4865] dccp_write_xmit+0x128/0x208 [ 101.755193][ T4865] dccp_sendmsg+0x608/0xae0 [ 101.756454][ T4865] inet_sendmsg+0x15c/0x290 [ 101.757704][ T4865] __sys_sendto+0x388/0x4d0 [ 101.758918][ T4865] __arm64_sys_sendto+0xd8/0xf8 [ 101.760257][ T4865] invoke_syscall+0x98/0x2b8 [ 101.761501][ T4865] el0_svc_common+0x138/0x258 [ 101.762789][ T4865] do_el0_svc+0x58/0x14c [ 101.763944][ T4865] el0_svc+0x7c/0x1f0 [ 101.765017][ T4865] el0t_64_sync_handler+0x84/0xe4 [ 101.766356][ T4865] el0t_64_sync+0x1a0/0x1a4 [ 101.774485][ T4865] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 101.777511][ T4865] CPU: 1 PID: 4865 Comm: syz.0.21 Not tainted 5.15.178-syzkaller #0 [ 101.779554][ T4865] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 101.782310][ T4865] Call trace: [ 101.783181][ T4865] dump_backtrace+0x0/0x530 [ 101.784400][ T4865] show_stack+0x2c/0x3c [ 101.785475][ T4865] dump_stack_lvl+0x108/0x170 [ 101.786661][ T4865] dump_stack+0x1c/0x58 [ 101.787766][ T4865] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 101.789226][ T4865] dccp_xmit_packet+0x298/0x448 [ 101.790462][ T4865] dccp_write_xmit+0x128/0x208 [ 101.791717][ T4865] dccp_sendmsg+0x608/0xae0 [ 101.792903][ T4865] inet_sendmsg+0x15c/0x290 [ 101.794084][ T4865] __sys_sendto+0x388/0x4d0 [ 101.795312][ T4865] __arm64_sys_sendto+0xd8/0xf8 [ 101.796665][ T4865] invoke_syscall+0x98/0x2b8 [ 101.797889][ T4865] el0_svc_common+0x138/0x258 [ 101.799282][ T4865] do_el0_svc+0x58/0x14c [ 101.800396][ T4865] el0_svc+0x7c/0x1f0 [ 101.801454][ T4865] el0t_64_sync_handler+0x84/0xe4 [ 101.802883][ T4865] el0t_64_sync+0x1a0/0x1a4 [ 101.804461][ T4865] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 101.807881][ T4865] CPU: 1 PID: 4865 Comm: syz.0.21 Not tainted 5.15.178-syzkaller #0 [ 101.810056][ T4865] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 101.812697][ T4865] Call trace: [ 101.813595][ T4865] dump_backtrace+0x0/0x530 [ 101.814795][ T4865] show_stack+0x2c/0x3c [ 101.815937][ T4865] dump_stack_lvl+0x108/0x170 [ 101.817183][ T4865] dump_stack+0x1c/0x58 [ 101.818246][ T4865] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 101.819715][ T4865] dccp_xmit_packet+0x298/0x448 [ 101.820984][ T4865] dccp_write_xmit+0x128/0x208 [ 101.822228][ T4865] dccp_sendmsg+0x608/0xae0 [ 101.823402][ T4865] inet_sendmsg+0x15c/0x290 [ 101.824679][ T4865] __sys_sendto+0x388/0x4d0 [ 101.825863][ T4865] __arm64_sys_sendto+0xd8/0xf8 [ 101.827189][ T4865] invoke_syscall+0x98/0x2b8 [ 101.828431][ T4865] el0_svc_common+0x138/0x258 [ 101.829663][ T4865] do_el0_svc+0x58/0x14c [ 101.830790][ T4865] el0_svc+0x7c/0x1f0 [ 101.831866][ T4865] el0t_64_sync_handler+0x84/0xe4 [ 101.833165][ T4865] el0t_64_sync+0x1a0/0x1a4 [ 101.853167][ T4867] dccp_xmit_packet: Payload too large (65475) for featneg. [ 101.867890][ T4867] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 101.871691][ T4867] CPU: 0 PID: 4867 Comm: syz.0.22 Not tainted 5.15.178-syzkaller #0 [ 101.873799][ T4867] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 101.876496][ T4867] Call trace: [ 101.877331][ T4867] dump_backtrace+0x0/0x530 [ 101.878545][ T4867] show_stack+0x2c/0x3c [ 101.879699][ T4867] dump_stack_lvl+0x108/0x170 [ 101.880950][ T4867] dump_stack+0x1c/0x58 [ 101.882102][ T4867] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 101.883540][ T4867] dccp_xmit_packet+0x298/0x448 [ 101.884850][ T4867] dccp_write_xmit+0x128/0x208 [ 101.886152][ T4867] dccp_sendmsg+0x608/0xae0 [ 101.887356][ T4867] inet_sendmsg+0x15c/0x290 [ 101.888632][ T4867] __sys_sendto+0x388/0x4d0 [ 101.889843][ T4867] __arm64_sys_sendto+0xd8/0xf8 [ 101.891250][ T4867] invoke_syscall+0x98/0x2b8 [ 101.892515][ T4867] el0_svc_common+0x138/0x258 [ 101.893771][ T4867] do_el0_svc+0x58/0x14c [ 101.894894][ T4867] el0_svc+0x7c/0x1f0 [ 101.895953][ T4867] el0t_64_sync_handler+0x84/0xe4 [ 101.897351][ T4867] el0t_64_sync+0x1a0/0x1a4 [ 101.899371][ T4867] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 101.902709][ T4867] CPU: 0 PID: 4867 Comm: syz.0.22 Not tainted 5.15.178-syzkaller #0 [ 101.904916][ T4867] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 101.907530][ T4867] Call trace: [ 101.908427][ T4867] dump_backtrace+0x0/0x530 [ 101.909597][ T4867] show_stack+0x2c/0x3c [ 101.910725][ T4867] dump_stack_lvl+0x108/0x170 [ 101.912006][ T4867] dump_stack+0x1c/0x58 [ 101.913115][ T4867] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 101.914680][ T4867] dccp_xmit_packet+0x298/0x448 [ 101.916003][ T4867] dccp_write_xmit+0x128/0x208 [ 101.917305][ T4867] dccp_sendmsg+0x608/0xae0 [ 101.918493][ T4867] inet_sendmsg+0x15c/0x290 [ 101.919698][ T4867] __sys_sendto+0x388/0x4d0 [ 101.920939][ T4867] __arm64_sys_sendto+0xd8/0xf8 [ 101.922205][ T4867] invoke_syscall+0x98/0x2b8 [ 101.923399][ T4867] el0_svc_common+0x138/0x258 [ 101.924643][ T4867] do_el0_svc+0x58/0x14c [ 101.925720][ T4867] el0_svc+0x7c/0x1f0 [ 101.926751][ T4867] el0t_64_sync_handler+0x84/0xe4 [ 101.928097][ T4867] el0t_64_sync+0x1a0/0x1a4 [ 101.931495][ T4867] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 101.934657][ T4867] CPU: 0 PID: 4867 Comm: syz.0.22 Not tainted 5.15.178-syzkaller #0 [ 101.936766][ T4867] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 101.939531][ T4867] Call trace: [ 101.940392][ T4867] dump_backtrace+0x0/0x530 [ 101.941617][ T4867] show_stack+0x2c/0x3c [ 101.942699][ T4867] dump_stack_lvl+0x108/0x170 [ 101.943955][ T4867] dump_stack+0x1c/0x58 [ 101.945065][ T4867] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 101.946573][ T4867] dccp_xmit_packet+0x298/0x448 [ 101.947906][ T4867] dccp_write_xmit+0x128/0x208 [ 101.949176][ T4867] dccp_sendmsg+0x608/0xae0 [ 101.950628][ T4867] inet_sendmsg+0x15c/0x290 [ 101.951840][ T4867] __sys_sendto+0x388/0x4d0 [ 101.953040][ T4867] __arm64_sys_sendto+0xd8/0xf8 [ 101.954327][ T4867] invoke_syscall+0x98/0x2b8 [ 101.955558][ T4867] el0_svc_common+0x138/0x258 [ 101.956773][ T4867] do_el0_svc+0x58/0x14c [ 101.957897][ T4867] el0_svc+0x7c/0x1f0 [ 101.959052][ T4867] el0t_64_sync_handler+0x84/0xe4 [ 101.960421][ T4867] el0t_64_sync+0x1a0/0x1a4 [ 101.962117][ T4867] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 101.965101][ T4867] CPU: 0 PID: 4867 Comm: syz.0.22 Not tainted 5.15.178-syzkaller #0 [ 101.967170][ T4867] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 101.969680][ T4867] Call trace: [ 101.970474][ T4867] dump_backtrace+0x0/0x530 [ 101.971666][ T4867] show_stack+0x2c/0x3c [ 101.972678][ T4867] dump_stack_lvl+0x108/0x170 [ 101.973898][ T4867] dump_stack+0x1c/0x58 [ 101.975127][ T4867] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 101.976651][ T4867] dccp_xmit_packet+0x298/0x448 [ 101.977966][ T4867] dccp_write_xmit+0x128/0x208 [ 101.979272][ T4867] dccp_sendmsg+0x608/0xae0 [ 101.980455][ T4867] inet_sendmsg+0x15c/0x290 [ 101.981639][ T4867] __sys_sendto+0x388/0x4d0 [ 101.982801][ T4867] __arm64_sys_sendto+0xd8/0xf8 [ 101.984145][ T4867] invoke_syscall+0x98/0x2b8 [ 101.985383][ T4867] el0_svc_common+0x138/0x258 [ 101.986693][ T4867] do_el0_svc+0x58/0x14c [ 101.987843][ T4867] el0_svc+0x7c/0x1f0 [ 101.988911][ T4867] el0t_64_sync_handler+0x84/0xe4 [ 101.990340][ T4867] el0t_64_sync+0x1a0/0x1a4 [ 101.992204][ T4867] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 101.995209][ T4867] CPU: 0 PID: 4867 Comm: syz.0.22 Not tainted 5.15.178-syzkaller #0 [ 101.997257][ T4867] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 101.999914][ T4867] Call trace: [ 102.000773][ T4867] dump_backtrace+0x0/0x530 [ 102.001962][ T4867] show_stack+0x2c/0x3c [ 102.003037][ T4867] dump_stack_lvl+0x108/0x170 [ 102.004353][ T4867] dump_stack+0x1c/0x58 [ 102.005440][ T4867] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 102.006882][ T4867] dccp_xmit_packet+0x298/0x448 [ 102.008252][ T4867] dccp_write_xmit+0x128/0x208 [ 102.009539][ T4867] dccp_sendmsg+0x608/0xae0 [ 102.010728][ T4867] inet_sendmsg+0x15c/0x290 [ 102.011925][ T4867] __sys_sendto+0x388/0x4d0 [ 102.013124][ T4867] __arm64_sys_sendto+0xd8/0xf8 [ 102.014476][ T4867] invoke_syscall+0x98/0x2b8 [ 102.015723][ T4867] el0_svc_common+0x138/0x258 [ 102.016962][ T4867] do_el0_svc+0x58/0x14c [ 102.018099][ T4867] el0_svc+0x7c/0x1f0 [ 102.019167][ T4867] el0t_64_sync_handler+0x84/0xe4 [ 102.020520][ T4867] el0t_64_sync+0x1a0/0x1a4 [ 102.022384][ T4867] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 102.025335][ T4867] CPU: 0 PID: 4867 Comm: syz.0.22 Not tainted 5.15.178-syzkaller #0 [ 102.027484][ T4867] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 102.030139][ T4867] Call trace: [ 102.030964][ T4867] dump_backtrace+0x0/0x530 [ 102.032200][ T4867] show_stack+0x2c/0x3c [ 102.033331][ T4867] dump_stack_lvl+0x108/0x170 [ 102.034594][ T4867] dump_stack+0x1c/0x58 [ 102.035713][ T4867] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 102.037173][ T4867] dccp_xmit_packet+0x298/0x448 [ 102.038481][ T4867] dccp_write_xmit+0x128/0x208 [ 102.039783][ T4867] dccp_sendmsg+0x608/0xae0 [ 102.041007][ T4867] inet_sendmsg+0x15c/0x290 [ 102.042194][ T4867] __sys_sendto+0x388/0x4d0 [ 102.043380][ T4867] __arm64_sys_sendto+0xd8/0xf8 [ 102.044673][ T4867] invoke_syscall+0x98/0x2b8 [ 102.045856][ T4867] el0_svc_common+0x138/0x258 [ 102.047048][ T4867] do_el0_svc+0x58/0x14c [ 102.048185][ T4867] el0_svc+0x7c/0x1f0 [ 102.049274][ T4867] el0t_64_sync_handler+0x84/0xe4 [ 102.050598][ T4867] el0t_64_sync+0x1a0/0x1a4 [ 102.052917][ T4867] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 102.055856][ T4867] CPU: 0 PID: 4867 Comm: syz.0.22 Not tainted 5.15.178-syzkaller #0 [ 102.058017][ T4867] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 102.060769][ T4867] Call trace: [ 102.061627][ T4867] dump_backtrace+0x0/0x530 [ 102.062819][ T4867] show_stack+0x2c/0x3c [ 102.063975][ T4867] dump_stack_lvl+0x108/0x170 [ 102.065230][ T4867] dump_stack+0x1c/0x58 [ 102.066397][ T4867] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 102.067816][ T4867] dccp_xmit_packet+0x298/0x448 [ 102.069140][ T4867] dccp_write_xmit+0x128/0x208 [ 102.070439][ T4867] dccp_sendmsg+0x608/0xae0 [ 102.071625][ T4867] inet_sendmsg+0x15c/0x290 [ 102.072829][ T4867] __sys_sendto+0x388/0x4d0 [ 102.074076][ T4867] __arm64_sys_sendto+0xd8/0xf8 [ 102.075322][ T4867] invoke_syscall+0x98/0x2b8 [ 102.076542][ T4867] el0_svc_common+0x138/0x258 [ 102.077779][ T4867] do_el0_svc+0x58/0x14c [ 102.078874][ T4867] el0_svc+0x7c/0x1f0 [ 102.080004][ T4867] el0t_64_sync_handler+0x84/0xe4 [ 102.081427][ T4867] el0t_64_sync+0x1a0/0x1a4 [ 102.083024][ T4867] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 102.086064][ T4867] CPU: 0 PID: 4867 Comm: syz.0.22 Not tainted 5.15.178-syzkaller #0 [ 102.088123][ T4867] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 102.090796][ T4867] Call trace: [ 102.091654][ T4867] dump_backtrace+0x0/0x530 [ 102.092836][ T4867] show_stack+0x2c/0x3c [ 102.093963][ T4867] dump_stack_lvl+0x108/0x170 [ 102.095202][ T4867] dump_stack+0x1c/0x58 [ 102.096351][ T4867] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 102.097836][ T4867] dccp_xmit_packet+0x298/0x448 [ 102.099125][ T4867] dccp_write_xmit+0x128/0x208 [ 102.100406][ T4867] dccp_sendmsg+0x608/0xae0 [ 102.101640][ T4867] inet_sendmsg+0x15c/0x290 [ 102.102878][ T4867] __sys_sendto+0x388/0x4d0 [ 102.104114][ T4867] __arm64_sys_sendto+0xd8/0xf8 [ 102.105388][ T4867] invoke_syscall+0x98/0x2b8 [ 102.106638][ T4867] el0_svc_common+0x138/0x258 [ 102.107856][ T4867] do_el0_svc+0x58/0x14c [ 102.108981][ T4867] el0_svc+0x7c/0x1f0 [ 102.110082][ T4867] el0t_64_sync_handler+0x84/0xe4 [ 102.111426][ T4867] el0t_64_sync+0x1a0/0x1a4 [ 102.115732][ T4867] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 102.119275][ T4867] CPU: 1 PID: 4867 Comm: syz.0.22 Not tainted 5.15.178-syzkaller #0 [ 102.121401][ T4867] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 102.124020][ T4867] Call trace: [ 102.124915][ T4867] dump_backtrace+0x0/0x530 [ 102.126102][ T4867] show_stack+0x2c/0x3c [ 102.127225][ T4867] dump_stack_lvl+0x108/0x170 [ 102.128489][ T4867] dump_stack+0x1c/0x58 [ 102.129530][ T4867] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 102.130922][ T4867] dccp_xmit_packet+0x298/0x448 [ 102.132216][ T4867] dccp_write_xmit+0x128/0x208 [ 102.133465][ T4867] dccp_sendmsg+0x608/0xae0 [ 102.134609][ T4867] inet_sendmsg+0x15c/0x290 [ 102.135772][ T4867] __sys_sendto+0x388/0x4d0 [ 102.137013][ T4867] __arm64_sys_sendto+0xd8/0xf8 [ 102.138316][ T4867] invoke_syscall+0x98/0x2b8 [ 102.139615][ T4867] el0_svc_common+0x138/0x258 [ 102.140897][ T4867] do_el0_svc+0x58/0x14c [ 102.142023][ T4867] el0_svc+0x7c/0x1f0 [ 102.143111][ T4867] el0t_64_sync_handler+0x84/0xe4 [ 102.144463][ T4867] el0t_64_sync+0x1a0/0x1a4 [ 102.150876][ T4867] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 102.153849][ T4867] CPU: 1 PID: 4867 Comm: syz.0.22 Not tainted 5.15.178-syzkaller #0 [ 102.155963][ T4867] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 102.158666][ T4867] Call trace: [ 102.159561][ T4867] dump_backtrace+0x0/0x530 [ 102.160760][ T4867] show_stack+0x2c/0x3c [ 102.161852][ T4867] dump_stack_lvl+0x108/0x170 [ 102.163085][ T4867] dump_stack+0x1c/0x58 [ 102.164198][ T4867] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 102.165642][ T4867] dccp_xmit_packet+0x298/0x448 [ 102.167008][ T4867] dccp_write_xmit+0x128/0x208 [ 102.168241][ T4867] dccp_sendmsg+0x608/0xae0 [ 102.169439][ T4867] inet_sendmsg+0x15c/0x290 [ 102.170663][ T4867] __sys_sendto+0x388/0x4d0 [ 102.171863][ T4867] __arm64_sys_sendto+0xd8/0xf8 [ 102.173145][ T4867] invoke_syscall+0x98/0x2b8 [ 102.174451][ T4867] el0_svc_common+0x138/0x258 [ 102.175637][ T4867] do_el0_svc+0x58/0x14c [ 102.176783][ T4867] el0_svc+0x7c/0x1f0 [ 102.177804][ T4867] el0t_64_sync_handler+0x84/0xe4 [ 102.179163][ T4867] el0t_64_sync+0x1a0/0x1a4 [ 102.205448][ T4869] dccp_xmit_packet: Payload too large (65475) for featneg. [ 102.224171][ T4869] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 102.227255][ T4869] CPU: 0 PID: 4869 Comm: syz.0.23 Not tainted 5.15.178-syzkaller #0 [ 102.229357][ T4869] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 102.232103][ T4869] Call trace: [ 102.233000][ T4869] dump_backtrace+0x0/0x530 [ 102.234263][ T4869] show_stack+0x2c/0x3c [ 102.235297][ T4869] dump_stack_lvl+0x108/0x170 [ 102.236521][ T4869] dump_stack+0x1c/0x58 [ 102.237639][ T4869] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 102.239492][ T4869] dccp_xmit_packet+0x298/0x448 [ 102.240796][ T4869] dccp_write_xmit+0x128/0x208 [ 102.242092][ T4869] dccp_sendmsg+0x608/0xae0 [ 102.243335][ T4869] inet_sendmsg+0x15c/0x290 [ 102.244530][ T4869] __sys_sendto+0x388/0x4d0 [ 102.245759][ T4869] __arm64_sys_sendto+0xd8/0xf8 [ 102.247039][ T4869] invoke_syscall+0x98/0x2b8 [ 102.248345][ T4869] el0_svc_common+0x138/0x258 [ 102.249562][ T4869] do_el0_svc+0x58/0x14c [ 102.250705][ T4869] el0_svc+0x7c/0x1f0 [ 102.251809][ T4869] el0t_64_sync_handler+0x84/0xe4 [ 102.253267][ T4869] el0t_64_sync+0x1a0/0x1a4 [ 102.255795][ T4102] Bluetooth: hci0: command 0x040f tx timeout [ 102.259516][ T4869] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 102.263227][ T4869] CPU: 1 PID: 4869 Comm: syz.0.23 Not tainted 5.15.178-syzkaller #0 [ 102.265492][ T4869] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 102.268271][ T4869] Call trace: [ 102.269151][ T4869] dump_backtrace+0x0/0x530 [ 102.270329][ T4869] show_stack+0x2c/0x3c [ 102.271402][ T4869] dump_stack_lvl+0x108/0x170 [ 102.272664][ T4869] dump_stack+0x1c/0x58 [ 102.273756][ T4869] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 102.275230][ T4869] dccp_xmit_packet+0x298/0x448 [ 102.276478][ T4869] dccp_write_xmit+0x128/0x208 [ 102.277713][ T4869] dccp_sendmsg+0x608/0xae0 [ 102.278980][ T4869] inet_sendmsg+0x15c/0x290 [ 102.280201][ T4869] __sys_sendto+0x388/0x4d0 [ 102.281368][ T4869] __arm64_sys_sendto+0xd8/0xf8 [ 102.282612][ T4869] invoke_syscall+0x98/0x2b8 [ 102.283822][ T4869] el0_svc_common+0x138/0x258 [ 102.285056][ T4869] do_el0_svc+0x58/0x14c [ 102.286173][ T4869] el0_svc+0x7c/0x1f0 [ 102.287250][ T4869] el0t_64_sync_handler+0x84/0xe4 [ 102.288657][ T4869] el0t_64_sync+0x1a0/0x1a4 [ 102.293578][ T4869] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 102.296547][ T4869] CPU: 1 PID: 4869 Comm: syz.0.23 Not tainted 5.15.178-syzkaller #0 [ 102.298676][ T4869] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 102.301395][ T4869] Call trace: [ 102.302260][ T4869] dump_backtrace+0x0/0x530 [ 102.303570][ T4869] show_stack+0x2c/0x3c [ 102.304706][ T4869] dump_stack_lvl+0x108/0x170 [ 102.306011][ T4869] dump_stack+0x1c/0x58 [ 102.307150][ T4869] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 102.308641][ T4869] dccp_xmit_packet+0x298/0x448 [ 102.309956][ T4869] dccp_write_xmit+0x128/0x208 [ 102.311244][ T4869] dccp_sendmsg+0x608/0xae0 [ 102.312470][ T4869] inet_sendmsg+0x15c/0x290 [ 102.313724][ T4869] __sys_sendto+0x388/0x4d0 [ 102.314929][ T4869] __arm64_sys_sendto+0xd8/0xf8 [ 102.316260][ T4869] invoke_syscall+0x98/0x2b8 [ 102.317498][ T4869] el0_svc_common+0x138/0x258 [ 102.318789][ T4869] do_el0_svc+0x58/0x14c [ 102.319961][ T4869] el0_svc+0x7c/0x1f0 [ 102.321046][ T4869] el0t_64_sync_handler+0x84/0xe4 [ 102.322396][ T4869] el0t_64_sync+0x1a0/0x1a4 [ 102.324362][ T4869] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 102.327818][ T4869] CPU: 1 PID: 4869 Comm: syz.0.23 Not tainted 5.15.178-syzkaller #0 [ 102.330007][ T4869] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 102.332549][ T4869] Call trace: [ 102.333446][ T4869] dump_backtrace+0x0/0x530 [ 102.334641][ T4869] show_stack+0x2c/0x3c [ 102.335722][ T4869] dump_stack_lvl+0x108/0x170 [ 102.336945][ T4869] dump_stack+0x1c/0x58 [ 102.338125][ T4869] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 102.339616][ T4869] dccp_xmit_packet+0x298/0x448 [ 102.340916][ T4869] dccp_write_xmit+0x128/0x208 [ 102.342265][ T4869] dccp_sendmsg+0x608/0xae0 [ 102.343445][ T4869] inet_sendmsg+0x15c/0x290 [ 102.344622][ T4869] __sys_sendto+0x388/0x4d0 [ 102.345806][ T4869] __arm64_sys_sendto+0xd8/0xf8 [ 102.347120][ T4869] invoke_syscall+0x98/0x2b8 [ 102.348319][ T4869] el0_svc_common+0x138/0x258 [ 102.349612][ T4869] do_el0_svc+0x58/0x14c [ 102.350727][ T4869] el0_svc+0x7c/0x1f0 [ 102.351775][ T4869] el0t_64_sync_handler+0x84/0xe4 [ 102.353138][ T4869] el0t_64_sync+0x1a0/0x1a4 [ 102.356120][ T4869] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 102.359086][ T4869] CPU: 1 PID: 4869 Comm: syz.0.23 Not tainted 5.15.178-syzkaller #0 [ 102.361220][ T4869] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 102.363869][ T4869] Call trace: [ 102.364750][ T4869] dump_backtrace+0x0/0x530 [ 102.365949][ T4869] show_stack+0x2c/0x3c [ 102.367036][ T4869] dump_stack_lvl+0x108/0x170 [ 102.368318][ T4869] dump_stack+0x1c/0x58 [ 102.369424][ T4869] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 102.370878][ T4869] dccp_xmit_packet+0x298/0x448 [ 102.372219][ T4869] dccp_write_xmit+0x128/0x208 [ 102.373527][ T4869] dccp_sendmsg+0x608/0xae0 [ 102.374722][ T4869] inet_sendmsg+0x15c/0x290 [ 102.375956][ T4869] __sys_sendto+0x388/0x4d0 [ 102.377224][ T4869] __arm64_sys_sendto+0xd8/0xf8 [ 102.378458][ T4869] invoke_syscall+0x98/0x2b8 [ 102.379711][ T4869] el0_svc_common+0x138/0x258 [ 102.380989][ T4869] do_el0_svc+0x58/0x14c [ 102.382133][ T4869] el0_svc+0x7c/0x1f0 [ 102.383160][ T4869] el0t_64_sync_handler+0x84/0xe4 [ 102.384515][ T4869] el0t_64_sync+0x1a0/0x1a4 [ 102.385969][ T4869] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 102.388859][ T4869] CPU: 1 PID: 4869 Comm: syz.0.23 Not tainted 5.15.178-syzkaller #0 [ 102.390973][ T4869] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 102.393686][ T4869] Call trace: [ 102.394541][ T4869] dump_backtrace+0x0/0x530 [ 102.395708][ T4869] show_stack+0x2c/0x3c [ 102.396826][ T4869] dump_stack_lvl+0x108/0x170 [ 102.398129][ T4869] dump_stack+0x1c/0x58 [ 102.399262][ T4869] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 102.400726][ T4869] dccp_xmit_packet+0x298/0x448 [ 102.402080][ T4869] dccp_write_xmit+0x128/0x208 [ 102.403294][ T4869] dccp_sendmsg+0x608/0xae0 [ 102.404506][ T4869] inet_sendmsg+0x15c/0x290 [ 102.405702][ T4869] __sys_sendto+0x388/0x4d0 [ 102.406903][ T4869] __arm64_sys_sendto+0xd8/0xf8 [ 102.408235][ T4869] invoke_syscall+0x98/0x2b8 [ 102.409443][ T4869] el0_svc_common+0x138/0x258 [ 102.410612][ T4869] do_el0_svc+0x58/0x14c [ 102.411746][ T4869] el0_svc+0x7c/0x1f0 [ 102.412779][ T4869] el0t_64_sync_handler+0x84/0xe4 [ 102.414116][ T4869] el0t_64_sync+0x1a0/0x1a4 [ 102.416726][ T4869] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 102.419612][ T4869] CPU: 1 PID: 4869 Comm: syz.0.23 Not tainted 5.15.178-syzkaller #0 [ 102.421717][ T4869] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 102.424488][ T4869] Call trace: [ 102.425332][ T4869] dump_backtrace+0x0/0x530 [ 102.426483][ T4869] show_stack+0x2c/0x3c [ 102.427579][ T4869] dump_stack_lvl+0x108/0x170 [ 102.428798][ T4869] dump_stack+0x1c/0x58 [ 102.429934][ T4869] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 102.431416][ T4869] dccp_xmit_packet+0x298/0x448 [ 102.432664][ T4869] dccp_write_xmit+0x128/0x208 [ 102.433935][ T4869] dccp_sendmsg+0x608/0xae0 [ 102.435160][ T4869] inet_sendmsg+0x15c/0x290 [ 102.436332][ T4869] __sys_sendto+0x388/0x4d0 [ 102.437521][ T4869] __arm64_sys_sendto+0xd8/0xf8 [ 102.438869][ T4869] invoke_syscall+0x98/0x2b8 [ 102.440199][ T4869] el0_svc_common+0x138/0x258 [ 102.441512][ T4869] do_el0_svc+0x58/0x14c [ 102.442637][ T4869] el0_svc+0x7c/0x1f0 [ 102.443671][ T4869] el0t_64_sync_handler+0x84/0xe4 [ 102.445048][ T4869] el0t_64_sync+0x1a0/0x1a4 [ 102.447096][ T4869] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 102.449962][ T4869] CPU: 1 PID: 4869 Comm: syz.0.23 Not tainted 5.15.178-syzkaller #0 [ 102.452087][ T4869] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 102.454758][ T4869] Call trace: [ 102.455610][ T4869] dump_backtrace+0x0/0x530 [ 102.456816][ T4869] show_stack+0x2c/0x3c [ 102.457879][ T4869] dump_stack_lvl+0x108/0x170 [ 102.459198][ T4869] dump_stack+0x1c/0x58 [ 102.460314][ T4869] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 102.461758][ T4869] dccp_xmit_packet+0x298/0x448 [ 102.463027][ T4869] dccp_write_xmit+0x128/0x208 [ 102.464317][ T4869] dccp_sendmsg+0x608/0xae0 [ 102.465525][ T4869] inet_sendmsg+0x15c/0x290 [ 102.466701][ T4869] __sys_sendto+0x388/0x4d0 [ 102.467882][ T4869] __arm64_sys_sendto+0xd8/0xf8 [ 102.469114][ T4869] invoke_syscall+0x98/0x2b8 [ 102.470335][ T4869] el0_svc_common+0x138/0x258 [ 102.471553][ T4869] do_el0_svc+0x58/0x14c [ 102.472706][ T4869] el0_svc+0x7c/0x1f0 [ 102.473789][ T4869] el0t_64_sync_handler+0x84/0xe4 [ 102.475132][ T4869] el0t_64_sync+0x1a0/0x1a4 [ 102.476662][ T4869] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 102.479551][ T4869] CPU: 1 PID: 4869 Comm: syz.0.23 Not tainted 5.15.178-syzkaller #0 [ 102.481553][ T4869] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 102.484214][ T4869] Call trace: [ 102.485057][ T4869] dump_backtrace+0x0/0x530 [ 102.486274][ T4869] show_stack+0x2c/0x3c [ 102.487319][ T4869] dump_stack_lvl+0x108/0x170 [ 102.488592][ T4869] dump_stack+0x1c/0x58 [ 102.489718][ T4869] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 102.491178][ T4869] dccp_xmit_packet+0x298/0x448 [ 102.492483][ T4869] dccp_write_xmit+0x128/0x208 [ 102.493780][ T4869] dccp_sendmsg+0x608/0xae0 [ 102.494941][ T4869] inet_sendmsg+0x15c/0x290 [ 102.496153][ T4869] __sys_sendto+0x388/0x4d0 [ 102.497342][ T4869] __arm64_sys_sendto+0xd8/0xf8 [ 102.498621][ T4869] invoke_syscall+0x98/0x2b8 [ 102.499896][ T4869] el0_svc_common+0x138/0x258 [ 102.501149][ T4869] do_el0_svc+0x58/0x14c [ 102.502262][ T4869] el0_svc+0x7c/0x1f0 [ 102.503310][ T4869] el0t_64_sync_handler+0x84/0xe4 [ 102.504625][ T4869] el0t_64_sync+0x1a0/0x1a4 [ 102.532583][ T4871] dccp_xmit_packet: Payload too large (65475) for featneg. [ 102.549928][ T4871] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 102.553765][ T4871] CPU: 1 PID: 4871 Comm: syz.0.24 Not tainted 5.15.178-syzkaller #0 [ 102.555866][ T4871] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 102.558467][ T4871] Call trace: [ 102.559343][ T4871] dump_backtrace+0x0/0x530 [ 102.560525][ T4871] show_stack+0x2c/0x3c [ 102.561699][ T4871] dump_stack_lvl+0x108/0x170 [ 102.562961][ T4871] dump_stack+0x1c/0x58 [ 102.564096][ T4871] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 102.565559][ T4871] dccp_xmit_packet+0x298/0x448 [ 102.566832][ T4871] dccp_write_xmit+0x128/0x208 [ 102.568091][ T4871] dccp_sendmsg+0x608/0xae0 [ 102.569241][ T4871] inet_sendmsg+0x15c/0x290 [ 102.570399][ T4871] __sys_sendto+0x388/0x4d0 [ 102.571646][ T4871] __arm64_sys_sendto+0xd8/0xf8 [ 102.572972][ T4871] invoke_syscall+0x98/0x2b8 [ 102.574189][ T4871] el0_svc_common+0x138/0x258 [ 102.575416][ T4871] do_el0_svc+0x58/0x14c [ 102.576590][ T4871] el0_svc+0x7c/0x1f0 [ 102.577640][ T4871] el0t_64_sync_handler+0x84/0xe4 [ 102.579024][ T4871] el0t_64_sync+0x1a0/0x1a4 [ 102.582295][ T4871] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 102.585394][ T4871] CPU: 1 PID: 4871 Comm: syz.0.24 Not tainted 5.15.178-syzkaller #0 [ 102.587560][ T4871] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 102.590320][ T4871] Call trace: [ 102.591163][ T4871] dump_backtrace+0x0/0x530 [ 102.592356][ T4871] show_stack+0x2c/0x3c [ 102.593457][ T4871] dump_stack_lvl+0x108/0x170 [ 102.594697][ T4871] dump_stack+0x1c/0x58 [ 102.595783][ T4871] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 102.597258][ T4871] dccp_xmit_packet+0x298/0x448 [ 102.598558][ T4871] dccp_write_xmit+0x128/0x208 [ 102.599789][ T4871] dccp_sendmsg+0x608/0xae0 [ 102.601002][ T4871] inet_sendmsg+0x15c/0x290 [ 102.602179][ T4871] __sys_sendto+0x388/0x4d0 [ 102.603385][ T4871] __arm64_sys_sendto+0xd8/0xf8 [ 102.604700][ T4871] invoke_syscall+0x98/0x2b8 [ 102.605911][ T4871] el0_svc_common+0x138/0x258 [ 102.607156][ T4871] do_el0_svc+0x58/0x14c [ 102.608283][ T4871] el0_svc+0x7c/0x1f0 [ 102.609303][ T4871] el0t_64_sync_handler+0x84/0xe4 [ 102.610655][ T4871] el0t_64_sync+0x1a0/0x1a4 [ 102.612314][ T4871] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 102.615425][ T4871] CPU: 1 PID: 4871 Comm: syz.0.24 Not tainted 5.15.178-syzkaller #0 [ 102.617524][ T4871] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 102.620128][ T4871] Call trace: [ 102.620988][ T4871] dump_backtrace+0x0/0x530 [ 102.622209][ T4871] show_stack+0x2c/0x3c [ 102.623350][ T4871] dump_stack_lvl+0x108/0x170 [ 102.624654][ T4871] dump_stack+0x1c/0x58 [ 102.625718][ T4871] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 102.627177][ T4871] dccp_xmit_packet+0x298/0x448 [ 102.628482][ T4871] dccp_write_xmit+0x128/0x208 [ 102.629702][ T4871] dccp_sendmsg+0x608/0xae0 [ 102.630913][ T4871] inet_sendmsg+0x15c/0x290 [ 102.632165][ T4871] __sys_sendto+0x388/0x4d0 [ 102.633328][ T4871] __arm64_sys_sendto+0xd8/0xf8 [ 102.634659][ T4871] invoke_syscall+0x98/0x2b8 [ 102.635867][ T4871] el0_svc_common+0x138/0x258 [ 102.637311][ T4871] do_el0_svc+0x58/0x14c [ 102.638426][ T4871] el0_svc+0x7c/0x1f0 [ 102.639509][ T4871] el0t_64_sync_handler+0x84/0xe4 [ 102.640938][ T4871] el0t_64_sync+0x1a0/0x1a4 [ 102.642893][ T4871] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 102.645915][ T4871] CPU: 1 PID: 4871 Comm: syz.0.24 Not tainted 5.15.178-syzkaller #0 [ 102.648053][ T4871] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 102.650643][ T4871] Call trace: [ 102.651505][ T4871] dump_backtrace+0x0/0x530 [ 102.652720][ T4871] show_stack+0x2c/0x3c [ 102.653862][ T4871] dump_stack_lvl+0x108/0x170 [ 102.655088][ T4871] dump_stack+0x1c/0x58 [ 102.656158][ T4871] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 102.657655][ T4871] dccp_xmit_packet+0x298/0x448 [ 102.658917][ T4871] dccp_write_xmit+0x128/0x208 [ 102.660216][ T4871] dccp_sendmsg+0x608/0xae0 [ 102.661491][ T4871] inet_sendmsg+0x15c/0x290 [ 102.662668][ T4871] __sys_sendto+0x388/0x4d0 [ 102.663869][ T4871] __arm64_sys_sendto+0xd8/0xf8 [ 102.665212][ T4871] invoke_syscall+0x98/0x2b8 [ 102.666422][ T4871] el0_svc_common+0x138/0x258 [ 102.667695][ T4871] do_el0_svc+0x58/0x14c [ 102.668781][ T4871] el0_svc+0x7c/0x1f0 [ 102.669862][ T4871] el0t_64_sync_handler+0x84/0xe4 [ 102.671281][ T4871] el0t_64_sync+0x1a0/0x1a4 [ 102.673277][ T4871] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 102.676264][ T4871] CPU: 1 PID: 4871 Comm: syz.0.24 Not tainted 5.15.178-syzkaller #0 [ 102.678388][ T4871] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 102.680984][ T4871] Call trace: [ 102.681822][ T4871] dump_backtrace+0x0/0x530 [ 102.682967][ T4871] show_stack+0x2c/0x3c [ 102.684256][ T4871] dump_stack_lvl+0x108/0x170 [ 102.685504][ T4871] dump_stack+0x1c/0x58 [ 102.686609][ T4871] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 102.688020][ T4871] dccp_xmit_packet+0x298/0x448 [ 102.689301][ T4871] dccp_write_xmit+0x128/0x208 [ 102.690553][ T4871] dccp_sendmsg+0x608/0xae0 [ 102.691788][ T4871] inet_sendmsg+0x15c/0x290 [ 102.692976][ T4871] __sys_sendto+0x388/0x4d0 [ 102.694161][ T4871] __arm64_sys_sendto+0xd8/0xf8 [ 102.695492][ T4871] invoke_syscall+0x98/0x2b8 [ 102.696729][ T4871] el0_svc_common+0x138/0x258 [ 102.698020][ T4871] do_el0_svc+0x58/0x14c [ 102.699147][ T4871] el0_svc+0x7c/0x1f0 [ 102.700169][ T4871] el0t_64_sync_handler+0x84/0xe4 [ 102.701520][ T4871] el0t_64_sync+0x1a0/0x1a4 [ 102.703098][ T4871] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 102.706023][ T4871] CPU: 1 PID: 4871 Comm: syz.0.24 Not tainted 5.15.178-syzkaller #0 [ 102.708101][ T4871] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 102.710780][ T4871] Call trace: [ 102.711637][ T4871] dump_backtrace+0x0/0x530 [ 102.712838][ T4871] show_stack+0x2c/0x3c [ 102.713932][ T4871] dump_stack_lvl+0x108/0x170 [ 102.715175][ T4871] dump_stack+0x1c/0x58 [ 102.716375][ T4871] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 102.717830][ T4871] dccp_xmit_packet+0x298/0x448 [ 102.719140][ T4871] dccp_write_xmit+0x128/0x208 [ 102.720421][ T4871] dccp_sendmsg+0x608/0xae0 [ 102.721638][ T4871] inet_sendmsg+0x15c/0x290 [ 102.722817][ T4871] __sys_sendto+0x388/0x4d0 [ 102.724005][ T4871] __arm64_sys_sendto+0xd8/0xf8 [ 102.725346][ T4871] invoke_syscall+0x98/0x2b8 [ 102.726667][ T4871] el0_svc_common+0x138/0x258 [ 102.727947][ T4871] do_el0_svc+0x58/0x14c [ 102.729097][ T4871] el0_svc+0x7c/0x1f0 [ 102.730177][ T4871] el0t_64_sync_handler+0x84/0xe4 [ 102.731500][ T4871] el0t_64_sync+0x1a0/0x1a4 [ 102.733510][ T4871] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 102.736662][ T4871] CPU: 1 PID: 4871 Comm: syz.0.24 Not tainted 5.15.178-syzkaller #0 [ 102.738718][ T4871] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 102.741432][ T4871] Call trace: [ 102.742390][ T4871] dump_backtrace+0x0/0x530 [ 102.743668][ T4871] show_stack+0x2c/0x3c [ 102.744812][ T4871] dump_stack_lvl+0x108/0x170 [ 102.746073][ T4871] dump_stack+0x1c/0x58 [ 102.747227][ T4871] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 102.748706][ T4871] dccp_xmit_packet+0x298/0x448 [ 102.749997][ T4871] dccp_write_xmit+0x128/0x208 [ 102.751319][ T4871] dccp_sendmsg+0x608/0xae0 [ 102.752557][ T4871] inet_sendmsg+0x15c/0x290 [ 102.753766][ T4871] __sys_sendto+0x388/0x4d0 [ 102.755000][ T4871] __arm64_sys_sendto+0xd8/0xf8 [ 102.756399][ T4871] invoke_syscall+0x98/0x2b8 [ 102.757641][ T4871] el0_svc_common+0x138/0x258 [ 102.758907][ T4871] do_el0_svc+0x58/0x14c [ 102.760068][ T4871] el0_svc+0x7c/0x1f0 [ 102.761140][ T4871] el0t_64_sync_handler+0x84/0xe4 [ 102.762523][ T4871] el0t_64_sync+0x1a0/0x1a4 [ 102.766574][ T4871] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 102.769676][ T4871] CPU: 1 PID: 4871 Comm: syz.0.24 Not tainted 5.15.178-syzkaller #0 [ 102.771869][ T4871] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 102.774668][ T4871] Call trace: [ 102.775563][ T4871] dump_backtrace+0x0/0x530 [ 102.776773][ T4871] show_stack+0x2c/0x3c [ 102.777852][ T4871] dump_stack_lvl+0x108/0x170 [ 102.779112][ T4871] dump_stack+0x1c/0x58 [ 102.780290][ T4871] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 102.781809][ T4871] dccp_xmit_packet+0x298/0x448 [ 102.783141][ T4871] dccp_write_xmit+0x128/0x208 [ 102.784439][ T4871] dccp_sendmsg+0x608/0xae0 [ 102.785604][ T4871] inet_sendmsg+0x15c/0x290 [ 102.786770][ T4871] __sys_sendto+0x388/0x4d0 [ 102.787989][ T4871] __arm64_sys_sendto+0xd8/0xf8 [ 102.789361][ T4871] invoke_syscall+0x98/0x2b8 [ 102.790632][ T4871] el0_svc_common+0x138/0x258 [ 102.791896][ T4871] do_el0_svc+0x58/0x14c [ 102.793086][ T4871] el0_svc+0x7c/0x1f0 [ 102.794236][ T4871] el0t_64_sync_handler+0x84/0xe4 [ 102.795538][ T4871] el0t_64_sync+0x1a0/0x1a4 [ 102.799544][ T4871] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 102.802848][ T4871] CPU: 1 PID: 4871 Comm: syz.0.24 Not tainted 5.15.178-syzkaller #0 [ 102.805123][ T4871] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 102.807822][ T4871] Call trace: [ 102.808643][ T4871] dump_backtrace+0x0/0x530 [ 102.809787][ T4871] show_stack+0x2c/0x3c [ 102.810901][ T4871] dump_stack_lvl+0x108/0x170 [ 102.812228][ T4871] dump_stack+0x1c/0x58 [ 102.813307][ T4871] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 102.814753][ T4871] dccp_xmit_packet+0x298/0x448 [ 102.816080][ T4871] dccp_write_xmit+0x128/0x208 [ 102.817379][ T4871] dccp_sendmsg+0x608/0xae0 [ 102.818608][ T4871] inet_sendmsg+0x15c/0x290 [ 102.819821][ T4871] __sys_sendto+0x388/0x4d0 [ 102.821044][ T4871] __arm64_sys_sendto+0xd8/0xf8 [ 102.822399][ T4871] invoke_syscall+0x98/0x2b8 [ 102.823657][ T4871] el0_svc_common+0x138/0x258 [ 102.824929][ T4871] do_el0_svc+0x58/0x14c [ 102.826065][ T4871] el0_svc+0x7c/0x1f0 [ 102.827129][ T4871] el0t_64_sync_handler+0x84/0xe4 [ 102.828491][ T4871] el0t_64_sync+0x1a0/0x1a4 [ 102.850949][ T4873] dccp_xmit_packet: Payload too large (65475) for featneg. [ 102.868247][ T4873] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 102.871932][ T4873] CPU: 0 PID: 4873 Comm: syz.0.25 Not tainted 5.15.178-syzkaller #0 [ 102.874059][ T4873] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 102.876763][ T4873] Call trace: [ 102.877616][ T4873] dump_backtrace+0x0/0x530 [ 102.878775][ T4873] show_stack+0x2c/0x3c [ 102.879829][ T4873] dump_stack_lvl+0x108/0x170 [ 102.881059][ T4873] dump_stack+0x1c/0x58 [ 102.882150][ T4873] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 102.883632][ T4873] dccp_xmit_packet+0x298/0x448 [ 102.884875][ T4873] dccp_write_xmit+0x128/0x208 [ 102.886141][ T4873] dccp_sendmsg+0x608/0xae0 [ 102.887367][ T4873] inet_sendmsg+0x15c/0x290 [ 102.888546][ T4873] __sys_sendto+0x388/0x4d0 [ 102.889761][ T4873] __arm64_sys_sendto+0xd8/0xf8 [ 102.891084][ T4873] invoke_syscall+0x98/0x2b8 [ 102.892296][ T4873] el0_svc_common+0x138/0x258 [ 102.893541][ T4873] do_el0_svc+0x58/0x14c [ 102.894688][ T4873] el0_svc+0x7c/0x1f0 [ 102.895724][ T4873] el0t_64_sync_handler+0x84/0xe4 [ 102.897109][ T4873] el0t_64_sync+0x1a0/0x1a4 [ 102.900690][ T4873] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 102.903679][ T4873] CPU: 1 PID: 4873 Comm: syz.0.25 Not tainted 5.15.178-syzkaller #0 [ 102.905814][ T4873] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 102.908530][ T4873] Call trace: [ 102.909403][ T4873] dump_backtrace+0x0/0x530 [ 102.910590][ T4873] show_stack+0x2c/0x3c [ 102.911682][ T4873] dump_stack_lvl+0x108/0x170 [ 102.913015][ T4873] dump_stack+0x1c/0x58 [ 102.914083][ T4873] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 102.915547][ T4873] dccp_xmit_packet+0x298/0x448 [ 102.916902][ T4873] dccp_write_xmit+0x128/0x208 [ 102.918144][ T4873] dccp_sendmsg+0x608/0xae0 [ 102.919350][ T4873] inet_sendmsg+0x15c/0x290 [ 102.920550][ T4873] __sys_sendto+0x388/0x4d0 [ 102.921748][ T4873] __arm64_sys_sendto+0xd8/0xf8 [ 102.923076][ T4873] invoke_syscall+0x98/0x2b8 [ 102.924324][ T4873] el0_svc_common+0x138/0x258 [ 102.925563][ T4873] do_el0_svc+0x58/0x14c [ 102.926695][ T4873] el0_svc+0x7c/0x1f0 [ 102.927723][ T4873] el0t_64_sync_handler+0x84/0xe4 [ 102.929030][ T4873] el0t_64_sync+0x1a0/0x1a4 [ 102.930802][ T4873] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 102.935086][ T4873] CPU: 0 PID: 4873 Comm: syz.0.25 Not tainted 5.15.178-syzkaller #0 [ 102.937547][ T4873] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 102.940303][ T4873] Call trace: [ 102.941165][ T4873] dump_backtrace+0x0/0x530 [ 102.942451][ T4873] show_stack+0x2c/0x3c [ 102.943582][ T4873] dump_stack_lvl+0x108/0x170 [ 102.944838][ T4873] dump_stack+0x1c/0x58 [ 102.945941][ T4873] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 102.947431][ T4873] dccp_xmit_packet+0x298/0x448 [ 102.948703][ T4873] dccp_write_xmit+0x128/0x208 [ 102.949997][ T4873] dccp_sendmsg+0x608/0xae0 [ 102.951170][ T4873] inet_sendmsg+0x15c/0x290 [ 102.952357][ T4873] __sys_sendto+0x388/0x4d0 [ 102.953530][ T4873] __arm64_sys_sendto+0xd8/0xf8 [ 102.954797][ T4873] invoke_syscall+0x98/0x2b8 [ 102.956071][ T4873] el0_svc_common+0x138/0x258 [ 102.957283][ T4873] do_el0_svc+0x58/0x14c [ 102.958476][ T4873] el0_svc+0x7c/0x1f0 [ 102.959584][ T4873] el0t_64_sync_handler+0x84/0xe4 [ 102.960884][ T4873] el0t_64_sync+0x1a0/0x1a4 [ 102.962955][ T4873] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 102.965952][ T4873] CPU: 0 PID: 4873 Comm: syz.0.25 Not tainted 5.15.178-syzkaller #0 [ 102.968119][ T4873] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 102.970682][ T4873] Call trace: [ 102.971558][ T4873] dump_backtrace+0x0/0x530 [ 102.972799][ T4873] show_stack+0x2c/0x3c [ 102.973895][ T4873] dump_stack_lvl+0x108/0x170 [ 102.975151][ T4873] dump_stack+0x1c/0x58 [ 102.976278][ T4873] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 102.977688][ T4873] dccp_xmit_packet+0x298/0x448 [ 102.978989][ T4873] dccp_write_xmit+0x128/0x208 [ 102.980308][ T4873] dccp_sendmsg+0x608/0xae0 [ 102.981531][ T4873] inet_sendmsg+0x15c/0x290 [ 102.982748][ T4873] __sys_sendto+0x388/0x4d0 [ 102.984091][ T4873] __arm64_sys_sendto+0xd8/0xf8 [ 102.985372][ T4873] invoke_syscall+0x98/0x2b8 [ 102.986607][ T4873] el0_svc_common+0x138/0x258 [ 102.987881][ T4873] do_el0_svc+0x58/0x14c [ 102.989039][ T4873] el0_svc+0x7c/0x1f0 [ 102.990156][ T4873] el0t_64_sync_handler+0x84/0xe4 [ 102.991514][ T4873] el0t_64_sync+0x1a0/0x1a4 [ 102.994932][ T4873] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 102.998268][ T4873] CPU: 1 PID: 4873 Comm: syz.0.25 Not tainted 5.15.178-syzkaller #0 [ 103.000441][ T4873] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 103.003095][ T4873] Call trace: [ 103.003972][ T4873] dump_backtrace+0x0/0x530 [ 103.005197][ T4873] show_stack+0x2c/0x3c [ 103.006342][ T4873] dump_stack_lvl+0x108/0x170 [ 103.007595][ T4873] dump_stack+0x1c/0x58 [ 103.008703][ T4873] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 103.010228][ T4873] dccp_xmit_packet+0x298/0x448 [ 103.011610][ T4873] dccp_write_xmit+0x128/0x208 [ 103.012930][ T4873] dccp_sendmsg+0x608/0xae0 [ 103.014243][ T4873] inet_sendmsg+0x15c/0x290 [ 103.015449][ T4873] __sys_sendto+0x388/0x4d0 [ 103.016712][ T4873] __arm64_sys_sendto+0xd8/0xf8 [ 103.018033][ T4873] invoke_syscall+0x98/0x2b8 [ 103.019257][ T4873] el0_svc_common+0x138/0x258 [ 103.020484][ T4873] do_el0_svc+0x58/0x14c [ 103.021614][ T4873] el0_svc+0x7c/0x1f0 [ 103.022668][ T4873] el0t_64_sync_handler+0x84/0xe4 [ 103.024074][ T4873] el0t_64_sync+0x1a0/0x1a4 [ 103.028234][ T4873] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 103.031714][ T4873] CPU: 0 PID: 4873 Comm: syz.0.25 Not tainted 5.15.178-syzkaller #0 [ 103.033810][ T4873] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 103.036544][ T4873] Call trace: [ 103.037413][ T4873] dump_backtrace+0x0/0x530 [ 103.038656][ T4873] show_stack+0x2c/0x3c [ 103.039805][ T4873] dump_stack_lvl+0x108/0x170 [ 103.041071][ T4873] dump_stack+0x1c/0x58 [ 103.042233][ T4873] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 103.043715][ T4873] dccp_xmit_packet+0x298/0x448 [ 103.045030][ T4873] dccp_write_xmit+0x128/0x208 [ 103.046315][ T4873] dccp_sendmsg+0x608/0xae0 [ 103.047623][ T4873] inet_sendmsg+0x15c/0x290 [ 103.048802][ T4873] __sys_sendto+0x388/0x4d0 [ 103.050000][ T4873] __arm64_sys_sendto+0xd8/0xf8 [ 103.051322][ T4873] invoke_syscall+0x98/0x2b8 [ 103.052596][ T4873] el0_svc_common+0x138/0x258 [ 103.053816][ T4873] do_el0_svc+0x58/0x14c [ 103.054997][ T4873] el0_svc+0x7c/0x1f0 [ 103.056042][ T4873] el0t_64_sync_handler+0x84/0xe4 [ 103.057400][ T4873] el0t_64_sync+0x1a0/0x1a4 [ 103.059663][ T4873] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 103.063570][ T4873] CPU: 0 PID: 4873 Comm: syz.0.25 Not tainted 5.15.178-syzkaller #0 [ 103.065691][ T4873] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 103.068343][ T4873] Call trace: [ 103.069196][ T4873] dump_backtrace+0x0/0x530 [ 103.070362][ T4873] show_stack+0x2c/0x3c [ 103.071446][ T4873] dump_stack_lvl+0x108/0x170 [ 103.072712][ T4873] dump_stack+0x1c/0x58 [ 103.073849][ T4873] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 103.075333][ T4873] dccp_xmit_packet+0x298/0x448 [ 103.076659][ T4873] dccp_write_xmit+0x128/0x208 [ 103.077963][ T4873] dccp_sendmsg+0x608/0xae0 [ 103.079218][ T4873] inet_sendmsg+0x15c/0x290 [ 103.080445][ T4873] __sys_sendto+0x388/0x4d0 [ 103.081651][ T4873] __arm64_sys_sendto+0xd8/0xf8 [ 103.082919][ T4873] invoke_syscall+0x98/0x2b8 [ 103.084126][ T4873] el0_svc_common+0x138/0x258 [ 103.085379][ T4873] do_el0_svc+0x58/0x14c [ 103.086511][ T4873] el0_svc+0x7c/0x1f0 [ 103.087604][ T4873] el0t_64_sync_handler+0x84/0xe4 [ 103.088945][ T4873] el0t_64_sync+0x1a0/0x1a4 [ 103.090620][ T4873] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 103.093607][ T4873] CPU: 0 PID: 4873 Comm: syz.0.25 Not tainted 5.15.178-syzkaller #0 [ 103.095674][ T4873] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 103.098315][ T4873] Call trace: [ 103.099197][ T4873] dump_backtrace+0x0/0x530 [ 103.100403][ T4873] show_stack+0x2c/0x3c [ 103.101521][ T4873] dump_stack_lvl+0x108/0x170 [ 103.102768][ T4873] dump_stack+0x1c/0x58 [ 103.103908][ T4873] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 103.105386][ T4873] dccp_xmit_packet+0x298/0x448 [ 103.106746][ T4873] dccp_write_xmit+0x128/0x208 [ 103.108010][ T4873] dccp_sendmsg+0x608/0xae0 [ 103.109195][ T4873] inet_sendmsg+0x15c/0x290 [ 103.110386][ T4873] __sys_sendto+0x388/0x4d0 [ 103.111564][ T4873] __arm64_sys_sendto+0xd8/0xf8 [ 103.112839][ T4873] invoke_syscall+0x98/0x2b8 [ 103.114143][ T4873] el0_svc_common+0x138/0x258 [ 103.115375][ T4873] do_el0_svc+0x58/0x14c [ 103.116585][ T4873] el0_svc+0x7c/0x1f0 [ 103.117686][ T4873] el0t_64_sync_handler+0x84/0xe4 [ 103.119001][ T4873] el0t_64_sync+0x1a0/0x1a4 [ 103.121528][ T4873] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 103.124583][ T4873] CPU: 0 PID: 4873 Comm: syz.0.25 Not tainted 5.15.178-syzkaller #0 [ 103.126820][ T4873] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 103.129371][ T4873] Call trace: [ 103.130232][ T4873] dump_backtrace+0x0/0x530 [ 103.131425][ T4873] show_stack+0x2c/0x3c [ 103.132532][ T4873] dump_stack_lvl+0x108/0x170 [ 103.133777][ T4873] dump_stack+0x1c/0x58 [ 103.134878][ T4873] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 103.136377][ T4873] dccp_xmit_packet+0x298/0x448 [ 103.137657][ T4873] dccp_write_xmit+0x128/0x208 [ 103.138928][ T4873] dccp_sendmsg+0x608/0xae0 [ 103.140115][ T4873] inet_sendmsg+0x15c/0x290 [ 103.141339][ T4873] __sys_sendto+0x388/0x4d0 [ 103.142585][ T4873] __arm64_sys_sendto+0xd8/0xf8 [ 103.143940][ T4873] invoke_syscall+0x98/0x2b8 [ 103.145191][ T4873] el0_svc_common+0x138/0x258 [ 103.146425][ T4873] do_el0_svc+0x58/0x14c [ 103.147568][ T4873] el0_svc+0x7c/0x1f0 [ 103.148637][ T4873] el0t_64_sync_handler+0x84/0xe4 [ 103.149971][ T4873] el0t_64_sync+0x1a0/0x1a4 [ 103.184637][ T4875] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 103.187642][ T4875] CPU: 0 PID: 4875 Comm: syz.0.26 Not tainted 5.15.178-syzkaller #0 [ 103.189729][ T4875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 103.192471][ T4875] Call trace: [ 103.193372][ T4875] dump_backtrace+0x0/0x530 [ 103.194589][ T4875] show_stack+0x2c/0x3c [ 103.195731][ T4875] dump_stack_lvl+0x108/0x170 [ 103.196988][ T4875] dump_stack+0x1c/0x58 [ 103.198140][ T4875] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 103.199638][ T4875] dccp_xmit_packet+0x298/0x448 [ 103.200931][ T4875] dccp_write_xmit+0x128/0x208 [ 103.202252][ T4875] dccp_sendmsg+0x608/0xae0 [ 103.203485][ T4875] inet_sendmsg+0x15c/0x290 [ 103.204712][ T4875] __sys_sendto+0x388/0x4d0 [ 103.205933][ T4875] __arm64_sys_sendto+0xd8/0xf8 [ 103.207229][ T4875] invoke_syscall+0x98/0x2b8 [ 103.208475][ T4875] el0_svc_common+0x138/0x258 [ 103.209705][ T4875] do_el0_svc+0x58/0x14c [ 103.210839][ T4875] el0_svc+0x7c/0x1f0 [ 103.212013][ T4875] el0t_64_sync_handler+0x84/0xe4 [ 103.213376][ T4875] el0t_64_sync+0x1a0/0x1a4 [ 103.215632][ T4875] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 103.218734][ T4875] CPU: 0 PID: 4875 Comm: syz.0.26 Not tainted 5.15.178-syzkaller #0 [ 103.220984][ T4875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 103.223663][ T4875] Call trace: [ 103.224570][ T4875] dump_backtrace+0x0/0x530 [ 103.225733][ T4875] show_stack+0x2c/0x3c [ 103.226868][ T4875] dump_stack_lvl+0x108/0x170 [ 103.228130][ T4875] dump_stack+0x1c/0x58 [ 103.229247][ T4875] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 103.230701][ T4875] dccp_xmit_packet+0x298/0x448 [ 103.231976][ T4875] dccp_write_xmit+0x128/0x208 [ 103.233294][ T4875] dccp_sendmsg+0x608/0xae0 [ 103.234494][ T4875] inet_sendmsg+0x15c/0x290 [ 103.235685][ T4875] __sys_sendto+0x388/0x4d0 [ 103.236905][ T4875] __arm64_sys_sendto+0xd8/0xf8 [ 103.238235][ T4875] invoke_syscall+0x98/0x2b8 [ 103.239461][ T4875] el0_svc_common+0x138/0x258 [ 103.240702][ T4875] do_el0_svc+0x58/0x14c [ 103.241829][ T4875] el0_svc+0x7c/0x1f0 [ 103.242913][ T4875] el0t_64_sync_handler+0x84/0xe4 [ 103.244280][ T4875] el0t_64_sync+0x1a0/0x1a4 [ 103.246923][ T4875] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 103.250128][ T4875] CPU: 0 PID: 4875 Comm: syz.0.26 Not tainted 5.15.178-syzkaller #0 [ 103.252208][ T4875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 103.254972][ T4875] Call trace: [ 103.255951][ T4875] dump_backtrace+0x0/0x530 [ 103.257197][ T4875] show_stack+0x2c/0x3c [ 103.258332][ T4875] dump_stack_lvl+0x108/0x170 [ 103.259525][ T4875] dump_stack+0x1c/0x58 [ 103.260644][ T4875] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 103.262093][ T4875] dccp_xmit_packet+0x298/0x448 [ 103.263326][ T4875] dccp_write_xmit+0x128/0x208 [ 103.264601][ T4875] dccp_sendmsg+0x608/0xae0 [ 103.265775][ T4875] inet_sendmsg+0x15c/0x290 [ 103.267010][ T4875] __sys_sendto+0x388/0x4d0 [ 103.268156][ T4875] __arm64_sys_sendto+0xd8/0xf8 [ 103.269425][ T4875] invoke_syscall+0x98/0x2b8 [ 103.270636][ T4875] el0_svc_common+0x138/0x258 [ 103.271905][ T4875] do_el0_svc+0x58/0x14c [ 103.273046][ T4875] el0_svc+0x7c/0x1f0 [ 103.274075][ T4875] el0t_64_sync_handler+0x84/0xe4 [ 103.275423][ T4875] el0t_64_sync+0x1a0/0x1a4 [ 103.277157][ T4875] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 103.280230][ T4875] CPU: 0 PID: 4875 Comm: syz.0.26 Not tainted 5.15.178-syzkaller #0 [ 103.282430][ T4875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 103.285168][ T4875] Call trace: [ 103.286058][ T4875] dump_backtrace+0x0/0x530 [ 103.287289][ T4875] show_stack+0x2c/0x3c [ 103.288405][ T4875] dump_stack_lvl+0x108/0x170 [ 103.289647][ T4875] dump_stack+0x1c/0x58 [ 103.290741][ T4875] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 103.292195][ T4875] dccp_xmit_packet+0x298/0x448 [ 103.293471][ T4875] dccp_write_xmit+0x128/0x208 [ 103.294696][ T4875] dccp_sendmsg+0x608/0xae0 [ 103.295930][ T4875] inet_sendmsg+0x15c/0x290 [ 103.297128][ T4875] __sys_sendto+0x388/0x4d0 [ 103.298313][ T4875] __arm64_sys_sendto+0xd8/0xf8 [ 103.299594][ T4875] invoke_syscall+0x98/0x2b8 [ 103.300846][ T4875] el0_svc_common+0x138/0x258 [ 103.302123][ T4875] do_el0_svc+0x58/0x14c [ 103.303185][ T4875] el0_svc+0x7c/0x1f0 [ 103.304207][ T4875] el0t_64_sync_handler+0x84/0xe4 [ 103.305536][ T4875] el0t_64_sync+0x1a0/0x1a4 [ 103.307303][ T4875] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 103.310355][ T4875] CPU: 0 PID: 4875 Comm: syz.0.26 Not tainted 5.15.178-syzkaller #0 [ 103.312472][ T4875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 103.315143][ T4875] Call trace: [ 103.315997][ T4875] dump_backtrace+0x0/0x530 [ 103.317173][ T4875] show_stack+0x2c/0x3c [ 103.318227][ T4875] dump_stack_lvl+0x108/0x170 [ 103.319545][ T4875] dump_stack+0x1c/0x58 [ 103.320694][ T4875] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 103.322070][ T4875] dccp_xmit_packet+0x298/0x448 [ 103.323429][ T4875] dccp_write_xmit+0x128/0x208 [ 103.324690][ T4875] dccp_sendmsg+0x608/0xae0 [ 103.325893][ T4875] inet_sendmsg+0x15c/0x290 [ 103.327152][ T4875] __sys_sendto+0x388/0x4d0 [ 103.328325][ T4875] __arm64_sys_sendto+0xd8/0xf8 [ 103.329620][ T4875] invoke_syscall+0x98/0x2b8 [ 103.330849][ T4875] el0_svc_common+0x138/0x258 [ 103.332049][ T4875] do_el0_svc+0x58/0x14c [ 103.333169][ T4875] el0_svc+0x7c/0x1f0 [ 103.334237][ T4875] el0t_64_sync_handler+0x84/0xe4 [ 103.335600][ T4875] el0t_64_sync+0x1a0/0x1a4 [ 103.338177][ T4875] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 103.341308][ T4875] CPU: 0 PID: 4875 Comm: syz.0.26 Not tainted 5.15.178-syzkaller #0 [ 103.343477][ T4875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 103.346174][ T4875] Call trace: [ 103.347041][ T4875] dump_backtrace+0x0/0x530 [ 103.348254][ T4875] show_stack+0x2c/0x3c [ 103.349310][ T4875] dump_stack_lvl+0x108/0x170 [ 103.350597][ T4875] dump_stack+0x1c/0x58 [ 103.351752][ T4875] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 103.353272][ T4875] dccp_xmit_packet+0x298/0x448 [ 103.354560][ T4875] dccp_write_xmit+0x128/0x208 [ 103.355808][ T4875] dccp_sendmsg+0x608/0xae0 [ 103.356972][ T4875] inet_sendmsg+0x15c/0x290 [ 103.358196][ T4875] __sys_sendto+0x388/0x4d0 [ 103.359373][ T4875] __arm64_sys_sendto+0xd8/0xf8 [ 103.360635][ T4875] invoke_syscall+0x98/0x2b8 [ 103.361831][ T4875] el0_svc_common+0x138/0x258 [ 103.363102][ T4875] do_el0_svc+0x58/0x14c [ 103.364241][ T4875] el0_svc+0x7c/0x1f0 [ 103.365291][ T4875] el0t_64_sync_handler+0x84/0xe4 [ 103.366611][ T4875] el0t_64_sync+0x1a0/0x1a4 [ 103.369059][ T4875] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 103.372287][ T4875] CPU: 0 PID: 4875 Comm: syz.0.26 Not tainted 5.15.178-syzkaller #0 [ 103.374526][ T4875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 103.377205][ T4875] Call trace: [ 103.378120][ T4875] dump_backtrace+0x0/0x530 [ 103.379332][ T4875] show_stack+0x2c/0x3c [ 103.380375][ T4875] dump_stack_lvl+0x108/0x170 [ 103.381593][ T4875] dump_stack+0x1c/0x58 [ 103.382685][ T4875] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 103.384204][ T4875] dccp_xmit_packet+0x298/0x448 [ 103.385467][ T4875] dccp_write_xmit+0x128/0x208 [ 103.386724][ T4875] dccp_sendmsg+0x608/0xae0 [ 103.387970][ T4875] inet_sendmsg+0x15c/0x290 [ 103.389203][ T4875] __sys_sendto+0x388/0x4d0 [ 103.390413][ T4875] __arm64_sys_sendto+0xd8/0xf8 [ 103.391710][ T4875] invoke_syscall+0x98/0x2b8 [ 103.392907][ T4875] el0_svc_common+0x138/0x258 [ 103.394185][ T4875] do_el0_svc+0x58/0x14c [ 103.395340][ T4875] el0_svc+0x7c/0x1f0 [ 103.396348][ T4875] el0t_64_sync_handler+0x84/0xe4 [ 103.397667][ T4875] el0t_64_sync+0x1a0/0x1a4 [ 103.399352][ T4875] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 103.402377][ T4875] CPU: 0 PID: 4875 Comm: syz.0.26 Not tainted 5.15.178-syzkaller #0 [ 103.404572][ T4875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 103.407406][ T4875] Call trace: [ 103.408328][ T4875] dump_backtrace+0x0/0x530 [ 103.409543][ T4875] show_stack+0x2c/0x3c [ 103.410673][ T4875] dump_stack_lvl+0x108/0x170 [ 103.411911][ T4875] dump_stack+0x1c/0x58 [ 103.413054][ T4875] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 103.414457][ T4875] dccp_xmit_packet+0x298/0x448 [ 103.415734][ T4875] dccp_write_xmit+0x128/0x208 [ 103.416969][ T4875] dccp_sendmsg+0x608/0xae0 [ 103.418116][ T4875] inet_sendmsg+0x15c/0x290 [ 103.419273][ T4875] __sys_sendto+0x388/0x4d0 [ 103.420449][ T4875] __arm64_sys_sendto+0xd8/0xf8 [ 103.421681][ T4875] invoke_syscall+0x98/0x2b8 [ 103.422925][ T4875] el0_svc_common+0x138/0x258 [ 103.424205][ T4875] do_el0_svc+0x58/0x14c [ 103.425365][ T4875] el0_svc+0x7c/0x1f0 [ 103.426442][ T4875] el0t_64_sync_handler+0x84/0xe4 [ 103.427784][ T4875] el0t_64_sync+0x1a0/0x1a4 [ 103.499189][ T4879] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 103.504161][ T4879] CPU: 1 PID: 4879 Comm: syz.0.28 Not tainted 5.15.178-syzkaller #0 [ 103.506414][ T4879] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 103.509040][ T4879] Call trace: [ 103.509892][ T4879] dump_backtrace+0x0/0x530 [ 103.511131][ T4879] show_stack+0x2c/0x3c [ 103.512292][ T4879] dump_stack_lvl+0x108/0x170 [ 103.513579][ T4879] dump_stack+0x1c/0x58 [ 103.514677][ T4879] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 103.516153][ T4879] dccp_xmit_packet+0x298/0x448 [ 103.517466][ T4879] dccp_write_xmit+0x128/0x208 [ 103.518819][ T4879] dccp_sendmsg+0x608/0xae0 [ 103.520065][ T4879] inet_sendmsg+0x15c/0x290 [ 103.521273][ T4879] __sys_sendto+0x388/0x4d0 [ 103.522430][ T4879] __arm64_sys_sendto+0xd8/0xf8 [ 103.523727][ T4879] invoke_syscall+0x98/0x2b8 [ 103.524922][ T4879] el0_svc_common+0x138/0x258 [ 103.526214][ T4879] do_el0_svc+0x58/0x14c [ 103.527354][ T4879] el0_svc+0x7c/0x1f0 [ 103.528394][ T4879] el0t_64_sync_handler+0x84/0xe4 [ 103.529739][ T4879] el0t_64_sync+0x1a0/0x1a4 [ 103.533736][ T4879] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 103.536755][ T4879] CPU: 1 PID: 4879 Comm: syz.0.28 Not tainted 5.15.178-syzkaller #0 [ 103.538854][ T4879] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 103.541630][ T4879] Call trace: [ 103.542486][ T4879] dump_backtrace+0x0/0x530 [ 103.543619][ T4879] show_stack+0x2c/0x3c [ 103.544682][ T4879] dump_stack_lvl+0x108/0x170 [ 103.545969][ T4879] dump_stack+0x1c/0x58 [ 103.547044][ T4879] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 103.548523][ T4879] dccp_xmit_packet+0x298/0x448 [ 103.549844][ T4879] dccp_write_xmit+0x128/0x208 [ 103.551122][ T4879] dccp_sendmsg+0x608/0xae0 [ 103.552291][ T4879] inet_sendmsg+0x15c/0x290 [ 103.553489][ T4879] __sys_sendto+0x388/0x4d0 [ 103.554664][ T4879] __arm64_sys_sendto+0xd8/0xf8 [ 103.556011][ T4879] invoke_syscall+0x98/0x2b8 [ 103.557198][ T4879] el0_svc_common+0x138/0x258 [ 103.558512][ T4879] do_el0_svc+0x58/0x14c [ 103.559634][ T4879] el0_svc+0x7c/0x1f0 [ 103.560790][ T4879] el0t_64_sync_handler+0x84/0xe4 [ 103.562341][ T4879] el0t_64_sync+0x1a0/0x1a4 [ 103.566334][ T4879] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 103.569304][ T4879] CPU: 1 PID: 4879 Comm: syz.0.28 Not tainted 5.15.178-syzkaller #0 [ 103.571406][ T4879] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 103.574156][ T4879] Call trace: [ 103.575015][ T4879] dump_backtrace+0x0/0x530 [ 103.576228][ T4879] show_stack+0x2c/0x3c [ 103.577372][ T4879] dump_stack_lvl+0x108/0x170 [ 103.578657][ T4879] dump_stack+0x1c/0x58 [ 103.579745][ T4879] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 103.581230][ T4879] dccp_xmit_packet+0x298/0x448 [ 103.582514][ T4879] dccp_write_xmit+0x128/0x208 [ 103.583834][ T4879] dccp_sendmsg+0x608/0xae0 [ 103.585016][ T4879] inet_sendmsg+0x15c/0x290 [ 103.586199][ T4879] __sys_sendto+0x388/0x4d0 [ 103.587411][ T4879] __arm64_sys_sendto+0xd8/0xf8 [ 103.588736][ T4879] invoke_syscall+0x98/0x2b8 [ 103.590097][ T4879] el0_svc_common+0x138/0x258 [ 103.591422][ T4879] do_el0_svc+0x58/0x14c [ 103.592624][ T4879] el0_svc+0x7c/0x1f0 [ 103.593756][ T4879] el0t_64_sync_handler+0x84/0xe4 [ 103.595171][ T4879] el0t_64_sync+0x1a0/0x1a4 [ 103.600150][ T4879] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 103.603282][ T4879] CPU: 1 PID: 4879 Comm: syz.0.28 Not tainted 5.15.178-syzkaller #0 [ 103.605480][ T4879] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 103.608256][ T4879] Call trace: [ 103.609106][ T4879] dump_backtrace+0x0/0x530 [ 103.610349][ T4879] show_stack+0x2c/0x3c [ 103.611407][ T4879] dump_stack_lvl+0x108/0x170 [ 103.612684][ T4879] dump_stack+0x1c/0x58 [ 103.613754][ T4879] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 103.615229][ T4879] dccp_xmit_packet+0x298/0x448 [ 103.616557][ T4879] dccp_write_xmit+0x128/0x208 [ 103.617785][ T4879] dccp_sendmsg+0x608/0xae0 [ 103.619001][ T4879] inet_sendmsg+0x15c/0x290 [ 103.620209][ T4879] __sys_sendto+0x388/0x4d0 [ 103.621418][ T4879] __arm64_sys_sendto+0xd8/0xf8 [ 103.622694][ T4879] invoke_syscall+0x98/0x2b8 [ 103.623910][ T4879] el0_svc_common+0x138/0x258 [ 103.625191][ T4879] do_el0_svc+0x58/0x14c [ 103.626307][ T4879] el0_svc+0x7c/0x1f0 [ 103.627426][ T4879] el0t_64_sync_handler+0x84/0xe4 [ 103.628699][ T4879] el0t_64_sync+0x1a0/0x1a4 [ 103.634071][ T4879] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 103.637108][ T4879] CPU: 1 PID: 4879 Comm: syz.0.28 Not tainted 5.15.178-syzkaller #0 [ 103.639250][ T4879] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 103.641927][ T4879] Call trace: [ 103.642799][ T4879] dump_backtrace+0x0/0x530 [ 103.643982][ T4879] show_stack+0x2c/0x3c [ 103.645112][ T4879] dump_stack_lvl+0x108/0x170 [ 103.646354][ T4879] dump_stack+0x1c/0x58 [ 103.647448][ T4879] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 103.648905][ T4879] dccp_xmit_packet+0x298/0x448 [ 103.650247][ T4879] dccp_write_xmit+0x128/0x208 [ 103.651581][ T4879] dccp_sendmsg+0x608/0xae0 [ 103.652814][ T4879] inet_sendmsg+0x15c/0x290 [ 103.654044][ T4879] __sys_sendto+0x388/0x4d0 [ 103.655246][ T4879] __arm64_sys_sendto+0xd8/0xf8 [ 103.656546][ T4879] invoke_syscall+0x98/0x2b8 [ 103.657773][ T4879] el0_svc_common+0x138/0x258 [ 103.659061][ T4879] do_el0_svc+0x58/0x14c [ 103.660238][ T4879] el0_svc+0x7c/0x1f0 [ 103.661332][ T4879] el0t_64_sync_handler+0x84/0xe4 [ 103.662718][ T4879] el0t_64_sync+0x1a0/0x1a4 [ 103.664773][ T4879] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 103.667833][ T4879] CPU: 1 PID: 4879 Comm: syz.0.28 Not tainted 5.15.178-syzkaller #0 [ 103.669971][ T4879] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 103.672646][ T4879] Call trace: [ 103.673536][ T4879] dump_backtrace+0x0/0x530 [ 103.674737][ T4879] show_stack+0x2c/0x3c [ 103.675885][ T4879] dump_stack_lvl+0x108/0x170 [ 103.677162][ T4879] dump_stack+0x1c/0x58 [ 103.678283][ T4879] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 103.679685][ T4879] dccp_xmit_packet+0x298/0x448 [ 103.680952][ T4879] dccp_write_xmit+0x128/0x208 [ 103.682209][ T4879] dccp_sendmsg+0x608/0xae0 [ 103.683366][ T4879] inet_sendmsg+0x15c/0x290 [ 103.684561][ T4879] __sys_sendto+0x388/0x4d0 [ 103.685707][ T4879] __arm64_sys_sendto+0xd8/0xf8 [ 103.687010][ T4879] invoke_syscall+0x98/0x2b8 [ 103.688195][ T4879] el0_svc_common+0x138/0x258 [ 103.689460][ T4879] do_el0_svc+0x58/0x14c [ 103.690578][ T4879] el0_svc+0x7c/0x1f0 [ 103.691641][ T4879] el0t_64_sync_handler+0x84/0xe4 [ 103.693016][ T4879] el0t_64_sync+0x1a0/0x1a4 [ 103.694875][ T4879] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 103.697891][ T4879] CPU: 1 PID: 4879 Comm: syz.0.28 Not tainted 5.15.178-syzkaller #0 [ 103.699964][ T4879] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 103.702648][ T4879] Call trace: [ 103.703482][ T4879] dump_backtrace+0x0/0x530 [ 103.704726][ T4879] show_stack+0x2c/0x3c [ 103.705934][ T4879] dump_stack_lvl+0x108/0x170 [ 103.707201][ T4879] dump_stack+0x1c/0x58 [ 103.708322][ T4879] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 103.709796][ T4879] dccp_xmit_packet+0x298/0x448 [ 103.711080][ T4879] dccp_write_xmit+0x128/0x208 [ 103.712350][ T4879] dccp_sendmsg+0x608/0xae0 [ 103.713513][ T4879] inet_sendmsg+0x15c/0x290 [ 103.714720][ T4879] __sys_sendto+0x388/0x4d0 [ 103.715934][ T4879] __arm64_sys_sendto+0xd8/0xf8 [ 103.717232][ T4879] invoke_syscall+0x98/0x2b8 [ 103.718466][ T4879] el0_svc_common+0x138/0x258 [ 103.719706][ T4879] do_el0_svc+0x58/0x14c [ 103.720862][ T4879] el0_svc+0x7c/0x1f0 [ 103.721907][ T4879] el0t_64_sync_handler+0x84/0xe4 [ 103.723254][ T4879] el0t_64_sync+0x1a0/0x1a4 [ 103.724908][ T4879] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 103.727813][ T4879] CPU: 1 PID: 4879 Comm: syz.0.28 Not tainted 5.15.178-syzkaller #0 [ 103.729849][ T4879] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 103.732606][ T4879] Call trace: [ 103.733471][ T4879] dump_backtrace+0x0/0x530 [ 103.734760][ T4879] show_stack+0x2c/0x3c [ 103.735912][ T4879] dump_stack_lvl+0x108/0x170 [ 103.737168][ T4879] dump_stack+0x1c/0x58 [ 103.738369][ T4879] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 103.739816][ T4879] dccp_xmit_packet+0x298/0x448 [ 103.741228][ T4879] dccp_write_xmit+0x128/0x208 [ 103.742553][ T4879] dccp_sendmsg+0x608/0xae0 [ 103.743752][ T4879] inet_sendmsg+0x15c/0x290 [ 103.745010][ T4879] __sys_sendto+0x388/0x4d0 [ 103.746285][ T4879] __arm64_sys_sendto+0xd8/0xf8 [ 103.747560][ T4879] invoke_syscall+0x98/0x2b8 [ 103.748791][ T4879] el0_svc_common+0x138/0x258 [ 103.750048][ T4879] do_el0_svc+0x58/0x14c [ 103.751189][ T4879] el0_svc+0x7c/0x1f0 [ 103.752232][ T4879] el0t_64_sync_handler+0x84/0xe4 [ 103.753615][ T4879] el0t_64_sync+0x1a0/0x1a4 [ 103.755459][ T4879] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 103.758549][ T4879] CPU: 1 PID: 4879 Comm: syz.0.28 Not tainted 5.15.178-syzkaller #0 [ 103.760555][ T4879] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 103.763291][ T4879] Call trace: [ 103.764149][ T4879] dump_backtrace+0x0/0x530 [ 103.765339][ T4879] show_stack+0x2c/0x3c [ 103.766475][ T4879] dump_stack_lvl+0x108/0x170 [ 103.767708][ T4879] dump_stack+0x1c/0x58 [ 103.768802][ T4879] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 103.770293][ T4879] dccp_xmit_packet+0x298/0x448 [ 103.771597][ T4879] dccp_write_xmit+0x128/0x208 [ 103.772877][ T4879] dccp_sendmsg+0x608/0xae0 [ 103.774048][ T4879] inet_sendmsg+0x15c/0x290 [ 103.775236][ T4879] __sys_sendto+0x388/0x4d0 [ 103.776471][ T4879] __arm64_sys_sendto+0xd8/0xf8 [ 103.777767][ T4879] invoke_syscall+0x98/0x2b8 [ 103.778948][ T4879] el0_svc_common+0x138/0x258 [ 103.780166][ T4879] do_el0_svc+0x58/0x14c [ 103.781281][ T4879] el0_svc+0x7c/0x1f0 [ 103.782329][ T4879] el0t_64_sync_handler+0x84/0xe4 [ 103.783623][ T4879] el0t_64_sync+0x1a0/0x1a4 [ 103.817167][ T4881] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 103.820155][ T4881] CPU: 1 PID: 4881 Comm: syz.0.29 Not tainted 5.15.178-syzkaller #0 [ 103.822236][ T4881] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 103.824989][ T4881] Call trace: [ 103.825858][ T4881] dump_backtrace+0x0/0x530 [ 103.827108][ T4881] show_stack+0x2c/0x3c [ 103.828207][ T4881] dump_stack_lvl+0x108/0x170 [ 103.829443][ T4881] dump_stack+0x1c/0x58 [ 103.830643][ T4881] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 103.832084][ T4881] dccp_xmit_packet+0x298/0x448 [ 103.833321][ T4881] dccp_write_xmit+0x128/0x208 [ 103.834564][ T4881] dccp_sendmsg+0x608/0xae0 [ 103.835769][ T4881] inet_sendmsg+0x15c/0x290 [ 103.836974][ T4881] __sys_sendto+0x388/0x4d0 [ 103.838170][ T4881] __arm64_sys_sendto+0xd8/0xf8 [ 103.839482][ T4881] invoke_syscall+0x98/0x2b8 [ 103.840682][ T4881] el0_svc_common+0x138/0x258 [ 103.841929][ T4881] do_el0_svc+0x58/0x14c [ 103.843056][ T4881] el0_svc+0x7c/0x1f0 [ 103.844122][ T4881] el0t_64_sync_handler+0x84/0xe4 [ 103.845498][ T4881] el0t_64_sync+0x1a0/0x1a4 [ 103.847305][ T4881] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 103.850254][ T4881] CPU: 1 PID: 4881 Comm: syz.0.29 Not tainted 5.15.178-syzkaller #0 [ 103.852418][ T4881] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 103.855202][ T4881] Call trace: [ 103.856082][ T4881] dump_backtrace+0x0/0x530 [ 103.857326][ T4881] show_stack+0x2c/0x3c [ 103.858426][ T4881] dump_stack_lvl+0x108/0x170 [ 103.859659][ T4881] dump_stack+0x1c/0x58 [ 103.860738][ T4881] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 103.862222][ T4881] dccp_xmit_packet+0x298/0x448 [ 103.863522][ T4881] dccp_write_xmit+0x128/0x208 [ 103.864786][ T4881] dccp_sendmsg+0x608/0xae0 [ 103.866016][ T4881] inet_sendmsg+0x15c/0x290 [ 103.867261][ T4881] __sys_sendto+0x388/0x4d0 [ 103.868504][ T4881] __arm64_sys_sendto+0xd8/0xf8 [ 103.869863][ T4881] invoke_syscall+0x98/0x2b8 [ 103.871192][ T4881] el0_svc_common+0x138/0x258 [ 103.872471][ T4881] do_el0_svc+0x58/0x14c [ 103.873632][ T4881] el0_svc+0x7c/0x1f0 [ 103.874744][ T4881] el0t_64_sync_handler+0x84/0xe4 [ 103.876068][ T4881] el0t_64_sync+0x1a0/0x1a4 [ 103.878413][ T4881] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 103.881675][ T4881] CPU: 1 PID: 4881 Comm: syz.0.29 Not tainted 5.15.178-syzkaller #0 [ 103.883880][ T4881] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 103.886582][ T4881] Call trace: [ 103.887517][ T4881] dump_backtrace+0x0/0x530 [ 103.888733][ T4881] show_stack+0x2c/0x3c [ 103.889793][ T4881] dump_stack_lvl+0x108/0x170 [ 103.891054][ T4881] dump_stack+0x1c/0x58 [ 103.892293][ T4881] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 103.893738][ T4881] dccp_xmit_packet+0x298/0x448 [ 103.895111][ T4881] dccp_write_xmit+0x128/0x208 [ 103.896430][ T4881] dccp_sendmsg+0x608/0xae0 [ 103.897732][ T4881] inet_sendmsg+0x15c/0x290 [ 103.898974][ T4881] __sys_sendto+0x388/0x4d0 [ 103.900210][ T4881] __arm64_sys_sendto+0xd8/0xf8 [ 103.901570][ T4881] invoke_syscall+0x98/0x2b8 [ 103.902815][ T4881] el0_svc_common+0x138/0x258 [ 103.904136][ T4881] do_el0_svc+0x58/0x14c [ 103.905339][ T4881] el0_svc+0x7c/0x1f0 [ 103.906557][ T4881] el0t_64_sync_handler+0x84/0xe4 [ 103.907911][ T4881] el0t_64_sync+0x1a0/0x1a4 [ 103.909635][ T4881] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 103.912831][ T4881] CPU: 1 PID: 4881 Comm: syz.0.29 Not tainted 5.15.178-syzkaller #0 [ 103.915012][ T4881] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 103.917744][ T4881] Call trace: [ 103.918634][ T4881] dump_backtrace+0x0/0x530 [ 103.919848][ T4881] show_stack+0x2c/0x3c [ 103.920977][ T4881] dump_stack_lvl+0x108/0x170 [ 103.922284][ T4881] dump_stack+0x1c/0x58 [ 103.923436][ T4881] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 103.924989][ T4881] dccp_xmit_packet+0x298/0x448 [ 103.926350][ T4881] dccp_write_xmit+0x128/0x208 [ 103.927721][ T4881] dccp_sendmsg+0x608/0xae0 [ 103.928944][ T4881] inet_sendmsg+0x15c/0x290 [ 103.930176][ T4881] __sys_sendto+0x388/0x4d0 [ 103.931455][ T4881] __arm64_sys_sendto+0xd8/0xf8 [ 103.932771][ T4881] invoke_syscall+0x98/0x2b8 [ 103.934054][ T4881] el0_svc_common+0x138/0x258 [ 103.935330][ T4881] do_el0_svc+0x58/0x14c [ 103.936728][ T4881] el0_svc+0x7c/0x1f0 [ 103.937839][ T4881] el0t_64_sync_handler+0x84/0xe4 [ 103.939264][ T4881] el0t_64_sync+0x1a0/0x1a4 [ 103.941094][ T4881] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 103.944161][ T4881] CPU: 1 PID: 4881 Comm: syz.0.29 Not tainted 5.15.178-syzkaller #0 [ 103.946249][ T4881] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 103.948906][ T4881] Call trace: [ 103.949749][ T4881] dump_backtrace+0x0/0x530 [ 103.950968][ T4881] show_stack+0x2c/0x3c [ 103.952117][ T4881] dump_stack_lvl+0x108/0x170 [ 103.953403][ T4881] dump_stack+0x1c/0x58 [ 103.954498][ T4881] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 103.956002][ T4881] dccp_xmit_packet+0x298/0x448 [ 103.957277][ T4881] dccp_write_xmit+0x128/0x208 [ 103.958570][ T4881] dccp_sendmsg+0x608/0xae0 [ 103.959800][ T4881] inet_sendmsg+0x15c/0x290 [ 103.960979][ T4881] __sys_sendto+0x388/0x4d0 [ 103.962256][ T4881] __arm64_sys_sendto+0xd8/0xf8 [ 103.963544][ T4881] invoke_syscall+0x98/0x2b8 [ 103.964796][ T4881] el0_svc_common+0x138/0x258 [ 103.966065][ T4881] do_el0_svc+0x58/0x14c [ 103.967252][ T4881] el0_svc+0x7c/0x1f0 [ 103.968369][ T4881] el0t_64_sync_handler+0x84/0xe4 [ 103.969759][ T4881] el0t_64_sync+0x1a0/0x1a4 [ 103.971878][ T4881] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 103.975020][ T4881] CPU: 1 PID: 4881 Comm: syz.0.29 Not tainted 5.15.178-syzkaller #0 [ 103.977145][ T4881] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 103.979842][ T4881] Call trace: [ 103.980712][ T4881] dump_backtrace+0x0/0x530 [ 103.981955][ T4881] show_stack+0x2c/0x3c [ 103.983096][ T4881] dump_stack_lvl+0x108/0x170 [ 103.984367][ T4881] dump_stack+0x1c/0x58 [ 103.985548][ T4881] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 103.987058][ T4881] dccp_xmit_packet+0x298/0x448 [ 103.988357][ T4881] dccp_write_xmit+0x128/0x208 [ 103.989702][ T4881] dccp_sendmsg+0x608/0xae0 [ 103.991062][ T4881] inet_sendmsg+0x15c/0x290 [ 103.992562][ T4881] __sys_sendto+0x388/0x4d0 [ 103.993972][ T4881] __arm64_sys_sendto+0xd8/0xf8 [ 103.995305][ T4881] invoke_syscall+0x98/0x2b8 [ 103.996544][ T4881] el0_svc_common+0x138/0x258 [ 103.997831][ T4881] do_el0_svc+0x58/0x14c [ 103.998922][ T4881] el0_svc+0x7c/0x1f0 [ 103.999989][ T4881] el0t_64_sync_handler+0x84/0xe4 [ 104.001347][ T4881] el0t_64_sync+0x1a0/0x1a4 [ 104.002885][ T4881] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 104.005779][ T4881] CPU: 1 PID: 4881 Comm: syz.0.29 Not tainted 5.15.178-syzkaller #0 [ 104.007893][ T4881] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 104.010580][ T4881] Call trace: [ 104.011415][ T4881] dump_backtrace+0x0/0x530 [ 104.012620][ T4881] show_stack+0x2c/0x3c [ 104.013738][ T4881] dump_stack_lvl+0x108/0x170 [ 104.014971][ T4881] dump_stack+0x1c/0x58 [ 104.016119][ T4881] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 104.017580][ T4881] dccp_xmit_packet+0x298/0x448 [ 104.018874][ T4881] dccp_write_xmit+0x128/0x208 [ 104.020207][ T4881] dccp_sendmsg+0x608/0xae0 [ 104.021393][ T4881] inet_sendmsg+0x15c/0x290 [ 104.022569][ T4881] __sys_sendto+0x388/0x4d0 [ 104.023758][ T4881] __arm64_sys_sendto+0xd8/0xf8 [ 104.025033][ T4881] invoke_syscall+0x98/0x2b8 [ 104.026310][ T4881] el0_svc_common+0x138/0x258 [ 104.027592][ T4881] do_el0_svc+0x58/0x14c [ 104.028760][ T4881] el0_svc+0x7c/0x1f0 [ 104.029932][ T4881] el0t_64_sync_handler+0x84/0xe4 [ 104.031304][ T4881] el0t_64_sync+0x1a0/0x1a4 [ 104.033255][ T4881] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 104.036241][ T4881] CPU: 1 PID: 4881 Comm: syz.0.29 Not tainted 5.15.178-syzkaller #0 [ 104.038349][ T4881] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 104.041050][ T4881] Call trace: [ 104.041918][ T4881] dump_backtrace+0x0/0x530 [ 104.043174][ T4881] show_stack+0x2c/0x3c [ 104.044299][ T4881] dump_stack_lvl+0x108/0x170 [ 104.045600][ T4881] dump_stack+0x1c/0x58 [ 104.046808][ T4881] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 104.048302][ T4881] dccp_xmit_packet+0x298/0x448 [ 104.049592][ T4881] dccp_write_xmit+0x128/0x208 [ 104.050828][ T4881] dccp_sendmsg+0x608/0xae0 [ 104.052049][ T4881] inet_sendmsg+0x15c/0x290 [ 104.053265][ T4881] __sys_sendto+0x388/0x4d0 [ 104.054520][ T4881] __arm64_sys_sendto+0xd8/0xf8 [ 104.055837][ T4881] invoke_syscall+0x98/0x2b8 [ 104.057083][ T4881] el0_svc_common+0x138/0x258 [ 104.058302][ T4881] do_el0_svc+0x58/0x14c [ 104.059413][ T4881] el0_svc+0x7c/0x1f0 [ 104.060511][ T4881] el0t_64_sync_handler+0x84/0xe4 [ 104.061865][ T4881] el0t_64_sync+0x1a0/0x1a4 [ 104.063767][ T4881] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 104.066918][ T4881] CPU: 1 PID: 4881 Comm: syz.0.29 Not tainted 5.15.178-syzkaller #0 [ 104.069024][ T4881] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 104.071724][ T4881] Call trace: [ 104.072567][ T4881] dump_backtrace+0x0/0x530 [ 104.073760][ T4881] show_stack+0x2c/0x3c [ 104.074903][ T4881] dump_stack_lvl+0x108/0x170 [ 104.076187][ T4881] dump_stack+0x1c/0x58 [ 104.077283][ T4881] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 104.078782][ T4881] dccp_xmit_packet+0x298/0x448 [ 104.080136][ T4881] dccp_write_xmit+0x128/0x208 [ 104.081459][ T4881] dccp_sendmsg+0x608/0xae0 [ 104.082675][ T4881] inet_sendmsg+0x15c/0x290 [ 104.083910][ T4881] __sys_sendto+0x388/0x4d0 [ 104.085143][ T4881] __arm64_sys_sendto+0xd8/0xf8 [ 104.086533][ T4881] invoke_syscall+0x98/0x2b8 [ 104.087813][ T4881] el0_svc_common+0x138/0x258 [ 104.089133][ T4881] do_el0_svc+0x58/0x14c [ 104.090300][ T4881] el0_svc+0x7c/0x1f0 [ 104.091357][ T4881] el0t_64_sync_handler+0x84/0xe4 [ 104.092711][ T4881] el0t_64_sync+0x1a0/0x1a4 [ 104.138165][ T4883] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 104.141469][ T4883] CPU: 1 PID: 4883 Comm: syz.0.30 Not tainted 5.15.178-syzkaller #0 [ 104.143676][ T4883] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 104.146427][ T4883] Call trace: [ 104.147328][ T4883] dump_backtrace+0x0/0x530 [ 104.148503][ T4883] show_stack+0x2c/0x3c [ 104.149592][ T4883] dump_stack_lvl+0x108/0x170 [ 104.150925][ T4883] dump_stack+0x1c/0x58 [ 104.152040][ T4883] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 104.153489][ T4883] dccp_xmit_packet+0x298/0x448 [ 104.154893][ T4883] dccp_write_xmit+0x128/0x208 [ 104.156156][ T4883] dccp_sendmsg+0x608/0xae0 [ 104.157439][ T4883] inet_sendmsg+0x15c/0x290 [ 104.158642][ T4883] __sys_sendto+0x388/0x4d0 [ 104.159847][ T4883] __arm64_sys_sendto+0xd8/0xf8 [ 104.161173][ T4883] invoke_syscall+0x98/0x2b8 [ 104.162429][ T4883] el0_svc_common+0x138/0x258 [ 104.163705][ T4883] do_el0_svc+0x58/0x14c [ 104.164808][ T4883] el0_svc+0x7c/0x1f0 [ 104.165868][ T4883] el0t_64_sync_handler+0x84/0xe4 [ 104.167195][ T4883] el0t_64_sync+0x1a0/0x1a4 [ 104.169035][ T4883] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 104.172082][ T4883] CPU: 1 PID: 4883 Comm: syz.0.30 Not tainted 5.15.178-syzkaller #0 [ 104.174232][ T4883] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 104.176937][ T4883] Call trace: [ 104.177877][ T4883] dump_backtrace+0x0/0x530 [ 104.179060][ T4883] show_stack+0x2c/0x3c [ 104.180178][ T4883] dump_stack_lvl+0x108/0x170 [ 104.181414][ T4883] dump_stack+0x1c/0x58 [ 104.182526][ T4883] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 104.184003][ T4883] dccp_xmit_packet+0x298/0x448 [ 104.185342][ T4883] dccp_write_xmit+0x128/0x208 [ 104.186570][ T4883] dccp_sendmsg+0x608/0xae0 [ 104.187740][ T4883] inet_sendmsg+0x15c/0x290 [ 104.189047][ T4883] __sys_sendto+0x388/0x4d0 [ 104.190262][ T4883] __arm64_sys_sendto+0xd8/0xf8 [ 104.191640][ T4883] invoke_syscall+0x98/0x2b8 [ 104.192869][ T4883] el0_svc_common+0x138/0x258 [ 104.194140][ T4883] do_el0_svc+0x58/0x14c [ 104.195291][ T4883] el0_svc+0x7c/0x1f0 [ 104.196343][ T4883] el0t_64_sync_handler+0x84/0xe4 [ 104.197674][ T4883] el0t_64_sync+0x1a0/0x1a4 [ 104.199421][ T4883] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 104.202624][ T4883] CPU: 1 PID: 4883 Comm: syz.0.30 Not tainted 5.15.178-syzkaller #0 [ 104.204794][ T4883] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 104.207455][ T4883] Call trace: [ 104.208353][ T4883] dump_backtrace+0x0/0x530 [ 104.209570][ T4883] show_stack+0x2c/0x3c [ 104.210725][ T4883] dump_stack_lvl+0x108/0x170 [ 104.212004][ T4883] dump_stack+0x1c/0x58 [ 104.213108][ T4883] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 104.214620][ T4883] dccp_xmit_packet+0x298/0x448 [ 104.215916][ T4883] dccp_write_xmit+0x128/0x208 [ 104.217183][ T4883] dccp_sendmsg+0x608/0xae0 [ 104.218419][ T4883] inet_sendmsg+0x15c/0x290 [ 104.219634][ T4883] __sys_sendto+0x388/0x4d0 [ 104.220814][ T4883] __arm64_sys_sendto+0xd8/0xf8 [ 104.222096][ T4883] invoke_syscall+0x98/0x2b8 [ 104.223352][ T4883] el0_svc_common+0x138/0x258 [ 104.224629][ T4883] do_el0_svc+0x58/0x14c [ 104.225791][ T4883] el0_svc+0x7c/0x1f0 [ 104.226869][ T4883] el0t_64_sync_handler+0x84/0xe4 [ 104.228165][ T4883] el0t_64_sync+0x1a0/0x1a4 [ 104.229733][ T4883] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 104.232853][ T4883] CPU: 1 PID: 4883 Comm: syz.0.30 Not tainted 5.15.178-syzkaller #0 [ 104.234937][ T4883] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 104.237635][ T4883] Call trace: [ 104.238519][ T4883] dump_backtrace+0x0/0x530 [ 104.239809][ T4883] show_stack+0x2c/0x3c [ 104.240950][ T4883] dump_stack_lvl+0x108/0x170 [ 104.242187][ T4883] dump_stack+0x1c/0x58 [ 104.243350][ T4883] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 104.244832][ T4883] dccp_xmit_packet+0x298/0x448 [ 104.246125][ T4883] dccp_write_xmit+0x128/0x208 [ 104.247462][ T4883] dccp_sendmsg+0x608/0xae0 [ 104.248746][ T4883] inet_sendmsg+0x15c/0x290 [ 104.249965][ T4883] __sys_sendto+0x388/0x4d0 [ 104.251250][ T4883] __arm64_sys_sendto+0xd8/0xf8 [ 104.252588][ T4883] invoke_syscall+0x98/0x2b8 [ 104.253919][ T4883] el0_svc_common+0x138/0x258 [ 104.255250][ T4883] do_el0_svc+0x58/0x14c [ 104.256391][ T4883] el0_svc+0x7c/0x1f0 [ 104.257517][ T4883] el0t_64_sync_handler+0x84/0xe4 [ 104.258925][ T4883] el0t_64_sync+0x1a0/0x1a4 [ 104.260758][ T4883] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 104.264284][ T4883] CPU: 1 PID: 4883 Comm: syz.0.30 Not tainted 5.15.178-syzkaller #0 [ 104.266425][ T4883] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 104.269210][ T4883] Call trace: [ 104.270094][ T4883] dump_backtrace+0x0/0x530 [ 104.271363][ T4883] show_stack+0x2c/0x3c [ 104.272466][ T4883] dump_stack_lvl+0x108/0x170 [ 104.273742][ T4883] dump_stack+0x1c/0x58 [ 104.274796][ T4883] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 104.276292][ T4883] dccp_xmit_packet+0x298/0x448 [ 104.277544][ T4883] dccp_write_xmit+0x128/0x208 [ 104.279065][ T4883] dccp_sendmsg+0x608/0xae0 [ 104.280422][ T4883] inet_sendmsg+0x15c/0x290 [ 104.281688][ T4883] __sys_sendto+0x388/0x4d0 [ 104.282922][ T4883] __arm64_sys_sendto+0xd8/0xf8 [ 104.284312][ T4883] invoke_syscall+0x98/0x2b8 [ 104.285632][ T4883] el0_svc_common+0x138/0x258 [ 104.286896][ T4883] do_el0_svc+0x58/0x14c [ 104.288043][ T4883] el0_svc+0x7c/0x1f0 [ 104.289137][ T4883] el0t_64_sync_handler+0x84/0xe4 [ 104.290485][ T4883] el0t_64_sync+0x1a0/0x1a4 [ 104.292458][ T4883] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 104.295726][ T4883] CPU: 1 PID: 4883 Comm: syz.0.30 Not tainted 5.15.178-syzkaller #0 [ 104.297920][ T4883] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 104.300632][ T4883] Call trace: [ 104.301505][ T4883] dump_backtrace+0x0/0x530 [ 104.302704][ T4883] show_stack+0x2c/0x3c [ 104.303901][ T4883] dump_stack_lvl+0x108/0x170 [ 104.305178][ T4883] dump_stack+0x1c/0x58 [ 104.306377][ T4883] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 104.307852][ T4883] dccp_xmit_packet+0x298/0x448 [ 104.309152][ T4883] dccp_write_xmit+0x128/0x208 [ 104.310451][ T4883] dccp_sendmsg+0x608/0xae0 [ 104.311695][ T4883] inet_sendmsg+0x15c/0x290 [ 104.312940][ T4883] __sys_sendto+0x388/0x4d0 [ 104.314182][ T4883] __arm64_sys_sendto+0xd8/0xf8 [ 104.315509][ T4883] invoke_syscall+0x98/0x2b8 [ 104.316794][ T4883] el0_svc_common+0x138/0x258 [ 104.318068][ T4883] do_el0_svc+0x58/0x14c [ 104.319191][ T4883] el0_svc+0x7c/0x1f0 [ 104.320309][ T4883] el0t_64_sync_handler+0x84/0xe4 [ 104.321731][ T4883] el0t_64_sync+0x1a0/0x1a4 [ 104.323435][ T4883] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 104.326485][ T4883] CPU: 1 PID: 4883 Comm: syz.0.30 Not tainted 5.15.178-syzkaller #0 [ 104.328680][ T4883] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 104.330733][ T4105] Bluetooth: hci0: command 0x0419 tx timeout [ 104.331423][ T4883] Call trace: [ 104.333840][ T4883] dump_backtrace+0x0/0x530 [ 104.335117][ T4883] show_stack+0x2c/0x3c [ 104.336253][ T4883] dump_stack_lvl+0x108/0x170 [ 104.337477][ T4883] dump_stack+0x1c/0x58 [ 104.338699][ T4883] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 104.340195][ T4883] dccp_xmit_packet+0x298/0x448 [ 104.341541][ T4883] dccp_write_xmit+0x128/0x208 [ 104.342854][ T4883] dccp_sendmsg+0x608/0xae0 [ 104.344093][ T4883] inet_sendmsg+0x15c/0x290 [ 104.345361][ T4883] __sys_sendto+0x388/0x4d0 [ 104.346567][ T4883] __arm64_sys_sendto+0xd8/0xf8 [ 104.347932][ T4883] invoke_syscall+0x98/0x2b8 [ 104.349139][ T4883] el0_svc_common+0x138/0x258 [ 104.350414][ T4883] do_el0_svc+0x58/0x14c [ 104.351561][ T4883] el0_svc+0x7c/0x1f0 [ 104.352640][ T4883] el0t_64_sync_handler+0x84/0xe4 [ 104.354047][ T4883] el0t_64_sync+0x1a0/0x1a4 [ 104.355931][ T4883] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 104.359080][ T4883] CPU: 1 PID: 4883 Comm: syz.0.30 Not tainted 5.15.178-syzkaller #0 [ 104.361275][ T4883] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 104.364028][ T4883] Call trace: [ 104.364912][ T4883] dump_backtrace+0x0/0x530 [ 104.366079][ T4883] show_stack+0x2c/0x3c [ 104.367178][ T4883] dump_stack_lvl+0x108/0x170 [ 104.368490][ T4883] dump_stack+0x1c/0x58 [ 104.369610][ T4883] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 104.371094][ T4883] dccp_xmit_packet+0x298/0x448 [ 104.372404][ T4883] dccp_write_xmit+0x128/0x208 [ 104.373657][ T4883] dccp_sendmsg+0x608/0xae0 [ 104.374849][ T4883] inet_sendmsg+0x15c/0x290 [ 104.376086][ T4883] __sys_sendto+0x388/0x4d0 [ 104.377308][ T4883] __arm64_sys_sendto+0xd8/0xf8 [ 104.378638][ T4883] invoke_syscall+0x98/0x2b8 [ 104.379904][ T4883] el0_svc_common+0x138/0x258 [ 104.381152][ T4883] do_el0_svc+0x58/0x14c [ 104.382269][ T4883] el0_svc+0x7c/0x1f0 [ 104.383337][ T4883] el0t_64_sync_handler+0x84/0xe4 [ 104.384648][ T4883] el0t_64_sync+0x1a0/0x1a4 [ 104.386588][ T4883] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 104.389646][ T4883] CPU: 1 PID: 4883 Comm: syz.0.30 Not tainted 5.15.178-syzkaller #0 [ 104.391718][ T4883] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 104.394384][ T4883] Call trace: [ 104.395243][ T4883] dump_backtrace+0x0/0x530 [ 104.396407][ T4883] show_stack+0x2c/0x3c [ 104.397497][ T4883] dump_stack_lvl+0x108/0x170 [ 104.398772][ T4883] dump_stack+0x1c/0x58 [ 104.399931][ T4883] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 104.401417][ T4883] dccp_xmit_packet+0x298/0x448 [ 104.402709][ T4883] dccp_write_xmit+0x128/0x208 [ 104.403935][ T4883] dccp_sendmsg+0x608/0xae0 [ 104.405117][ T4883] inet_sendmsg+0x15c/0x290 [ 104.406342][ T4883] __sys_sendto+0x388/0x4d0 [ 104.407552][ T4883] __arm64_sys_sendto+0xd8/0xf8 [ 104.408818][ T4883] invoke_syscall+0x98/0x2b8 [ 104.410031][ T4883] el0_svc_common+0x138/0x258 [ 104.411286][ T4883] do_el0_svc+0x58/0x14c [ 104.412400][ T4883] el0_svc+0x7c/0x1f0 [ 104.413491][ T4883] el0t_64_sync_handler+0x84/0xe4 [ 104.414815][ T4883] el0t_64_sync+0x1a0/0x1a4 [ 104.458345][ T4886] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 104.461643][ T4886] CPU: 1 PID: 4886 Comm: syz.0.31 Not tainted 5.15.178-syzkaller #0 [ 104.463739][ T4886] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 104.466444][ T4886] Call trace: [ 104.467364][ T4886] dump_backtrace+0x0/0x530 [ 104.468603][ T4886] show_stack+0x2c/0x3c [ 104.469692][ T4886] dump_stack_lvl+0x108/0x170 [ 104.471029][ T4886] dump_stack+0x1c/0x58 [ 104.472116][ T4886] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 104.473626][ T4886] dccp_xmit_packet+0x298/0x448 [ 104.474897][ T4886] dccp_write_xmit+0x128/0x208 [ 104.476148][ T4886] dccp_sendmsg+0x608/0xae0 [ 104.477312][ T4886] inet_sendmsg+0x15c/0x290 [ 104.478548][ T4886] __sys_sendto+0x388/0x4d0 [ 104.479744][ T4886] __arm64_sys_sendto+0xd8/0xf8 [ 104.481021][ T4886] invoke_syscall+0x98/0x2b8 [ 104.482244][ T4886] el0_svc_common+0x138/0x258 [ 104.483496][ T4886] do_el0_svc+0x58/0x14c [ 104.484654][ T4886] el0_svc+0x7c/0x1f0 [ 104.485687][ T4886] el0t_64_sync_handler+0x84/0xe4 [ 104.486956][ T4886] el0t_64_sync+0x1a0/0x1a4 [ 104.489477][ T4886] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 104.492605][ T4886] CPU: 1 PID: 4886 Comm: syz.0.31 Not tainted 5.15.178-syzkaller #0 [ 104.494706][ T4886] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 104.497370][ T4886] Call trace: [ 104.498261][ T4886] dump_backtrace+0x0/0x530 [ 104.499456][ T4886] show_stack+0x2c/0x3c [ 104.500583][ T4886] dump_stack_lvl+0x108/0x170 [ 104.501837][ T4886] dump_stack+0x1c/0x58 [ 104.502946][ T4886] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 104.504421][ T4886] dccp_xmit_packet+0x298/0x448 [ 104.505721][ T4886] dccp_write_xmit+0x128/0x208 [ 104.506981][ T4886] dccp_sendmsg+0x608/0xae0 [ 104.508211][ T4886] inet_sendmsg+0x15c/0x290 [ 104.509455][ T4886] __sys_sendto+0x388/0x4d0 [ 104.510760][ T4886] __arm64_sys_sendto+0xd8/0xf8 [ 104.512082][ T4886] invoke_syscall+0x98/0x2b8 [ 104.513313][ T4886] el0_svc_common+0x138/0x258 [ 104.514556][ T4886] do_el0_svc+0x58/0x14c [ 104.515710][ T4886] el0_svc+0x7c/0x1f0 [ 104.516824][ T4886] el0t_64_sync_handler+0x84/0xe4 [ 104.518185][ T4886] el0t_64_sync+0x1a0/0x1a4 [ 104.519855][ T4886] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 104.523475][ T1806] device hsr_slave_0 left promiscuous mode [ 104.523502][ T4886] CPU: 1 PID: 4886 Comm: syz.0.31 Not tainted 5.15.178-syzkaller #0 [ 104.527191][ T4886] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 104.529891][ T4886] Call trace: [ 104.530752][ T4886] dump_backtrace+0x0/0x530 [ 104.531924][ T4886] show_stack+0x2c/0x3c [ 104.533078][ T4886] dump_stack_lvl+0x108/0x170 [ 104.534333][ T4886] dump_stack+0x1c/0x58 [ 104.535427][ T4886] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 104.536857][ T4886] dccp_xmit_packet+0x298/0x448 [ 104.538221][ T4886] dccp_write_xmit+0x128/0x208 [ 104.539608][ T4886] dccp_sendmsg+0x608/0xae0 [ 104.540828][ T4886] inet_sendmsg+0x15c/0x290 [ 104.542044][ T4886] __sys_sendto+0x388/0x4d0 [ 104.543260][ T4886] __arm64_sys_sendto+0xd8/0xf8 [ 104.544515][ T4886] invoke_syscall+0x98/0x2b8 [ 104.545718][ T4886] el0_svc_common+0x138/0x258 [ 104.547015][ T4886] do_el0_svc+0x58/0x14c [ 104.548162][ T4886] el0_svc+0x7c/0x1f0 [ 104.549209][ T4886] el0t_64_sync_handler+0x84/0xe4 [ 104.550577][ T4886] el0t_64_sync+0x1a0/0x1a4 [ 104.552243][ T4886] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 104.555328][ T4886] CPU: 1 PID: 4886 Comm: syz.0.31 Not tainted 5.15.178-syzkaller #0 [ 104.557502][ T4886] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 104.560179][ T4886] Call trace: [ 104.561092][ T4886] dump_backtrace+0x0/0x530 [ 104.562299][ T4886] show_stack+0x2c/0x3c [ 104.563423][ T4886] dump_stack_lvl+0x108/0x170 [ 104.564674][ T4886] dump_stack+0x1c/0x58 [ 104.565793][ T4886] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 104.567275][ T4886] dccp_xmit_packet+0x298/0x448 [ 104.568569][ T4886] dccp_write_xmit+0x128/0x208 [ 104.569873][ T4886] dccp_sendmsg+0x608/0xae0 [ 104.571105][ T4886] inet_sendmsg+0x15c/0x290 [ 104.572302][ T4886] __sys_sendto+0x388/0x4d0 [ 104.573502][ T4886] __arm64_sys_sendto+0xd8/0xf8 [ 104.574790][ T4886] invoke_syscall+0x98/0x2b8 [ 104.576041][ T4886] el0_svc_common+0x138/0x258 [ 104.577325][ T4886] do_el0_svc+0x58/0x14c [ 104.578440][ T4886] el0_svc+0x7c/0x1f0 [ 104.579543][ T4886] el0t_64_sync_handler+0x84/0xe4 [ 104.580846][ T4886] el0t_64_sync+0x1a0/0x1a4 [ 104.583461][ T4886] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 104.586873][ T4886] CPU: 1 PID: 4886 Comm: syz.0.31 Not tainted 5.15.178-syzkaller #0 [ 104.588982][ T4886] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 104.591740][ T4886] Call trace: [ 104.592654][ T4886] dump_backtrace+0x0/0x530 [ 104.593924][ T4886] show_stack+0x2c/0x3c [ 104.595042][ T4886] dump_stack_lvl+0x108/0x170 [ 104.596289][ T4886] dump_stack+0x1c/0x58 [ 104.597412][ T4886] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 104.598916][ T4886] dccp_xmit_packet+0x298/0x448 [ 104.600209][ T4886] dccp_write_xmit+0x128/0x208 [ 104.601529][ T4886] dccp_sendmsg+0x608/0xae0 [ 104.602754][ T4886] inet_sendmsg+0x15c/0x290 [ 104.604015][ T4886] __sys_sendto+0x388/0x4d0 [ 104.605227][ T4886] __arm64_sys_sendto+0xd8/0xf8 [ 104.606531][ T4886] invoke_syscall+0x98/0x2b8 [ 104.607769][ T4886] el0_svc_common+0x138/0x258 [ 104.609051][ T4886] do_el0_svc+0x58/0x14c [ 104.610229][ T4886] el0_svc+0x7c/0x1f0 [ 104.611289][ T4886] el0t_64_sync_handler+0x84/0xe4 [ 104.612745][ T4886] el0t_64_sync+0x1a0/0x1a4 [ 104.614731][ T4886] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 104.615233][ T1806] device hsr_slave_1 left promiscuous mode [ 104.617777][ T4886] CPU: 1 PID: 4886 Comm: syz.0.31 Not tainted 5.15.178-syzkaller #0 [ 104.621371][ T4886] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 104.624084][ T4886] Call trace: [ 104.624941][ T4886] dump_backtrace+0x0/0x530 [ 104.626143][ T4886] show_stack+0x2c/0x3c [ 104.627204][ T4886] dump_stack_lvl+0x108/0x170 [ 104.628457][ T4886] dump_stack+0x1c/0x58 [ 104.629521][ T4886] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 104.631019][ T4886] dccp_xmit_packet+0x298/0x448 [ 104.632290][ T4886] dccp_write_xmit+0x128/0x208 [ 104.633554][ T4886] dccp_sendmsg+0x608/0xae0 [ 104.634757][ T4886] inet_sendmsg+0x15c/0x290 [ 104.635961][ T4886] __sys_sendto+0x388/0x4d0 [ 104.637121][ T4886] __arm64_sys_sendto+0xd8/0xf8 [ 104.638476][ T4886] invoke_syscall+0x98/0x2b8 [ 104.639672][ T4886] el0_svc_common+0x138/0x258 [ 104.640976][ T4886] do_el0_svc+0x58/0x14c [ 104.642102][ T4886] el0_svc+0x7c/0x1f0 [ 104.643171][ T4886] el0t_64_sync_handler+0x84/0xe4 [ 104.644575][ T4886] el0t_64_sync+0x1a0/0x1a4 [ 104.646198][ T4886] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 104.649338][ T4886] CPU: 1 PID: 4886 Comm: syz.0.31 Not tainted 5.15.178-syzkaller #0 [ 104.651416][ T4886] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 104.654100][ T4886] Call trace: [ 104.655028][ T4886] dump_backtrace+0x0/0x530 [ 104.656211][ T4886] show_stack+0x2c/0x3c [ 104.657338][ T4886] dump_stack_lvl+0x108/0x170 [ 104.658621][ T4886] dump_stack+0x1c/0x58 [ 104.659722][ T4886] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 104.661140][ T4886] dccp_xmit_packet+0x298/0x448 [ 104.662415][ T4886] dccp_write_xmit+0x128/0x208 [ 104.663560][ T4886] dccp_sendmsg+0x608/0xae0 [ 104.664786][ T4886] inet_sendmsg+0x15c/0x290 [ 104.666009][ T4886] __sys_sendto+0x388/0x4d0 [ 104.667195][ T4886] __arm64_sys_sendto+0xd8/0xf8 [ 104.668443][ T4886] invoke_syscall+0x98/0x2b8 [ 104.669655][ T4886] el0_svc_common+0x138/0x258 [ 104.670872][ T4886] do_el0_svc+0x58/0x14c [ 104.672037][ T4886] el0_svc+0x7c/0x1f0 [ 104.673092][ T4886] el0t_64_sync_handler+0x84/0xe4 [ 104.674450][ T4886] el0t_64_sync+0x1a0/0x1a4 [ 104.676950][ T4886] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 104.679987][ T4886] CPU: 1 PID: 4886 Comm: syz.0.31 Not tainted 5.15.178-syzkaller #0 [ 104.682115][ T4886] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 104.684876][ T4886] Call trace: [ 104.685694][ T4886] dump_backtrace+0x0/0x530 [ 104.686871][ T4886] show_stack+0x2c/0x3c [ 104.687988][ T4886] dump_stack_lvl+0x108/0x170 [ 104.689223][ T4886] dump_stack+0x1c/0x58 [ 104.690343][ T4886] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 104.691764][ T4886] dccp_xmit_packet+0x298/0x448 [ 104.693043][ T4886] dccp_write_xmit+0x128/0x208 [ 104.694323][ T4886] dccp_sendmsg+0x608/0xae0 [ 104.695583][ T4886] inet_sendmsg+0x15c/0x290 [ 104.696765][ T4886] __sys_sendto+0x388/0x4d0 [ 104.697938][ T4886] __arm64_sys_sendto+0xd8/0xf8 [ 104.699143][ T4886] invoke_syscall+0x98/0x2b8 [ 104.700375][ T4886] el0_svc_common+0x138/0x258 [ 104.701619][ T4886] do_el0_svc+0x58/0x14c [ 104.702748][ T4886] el0_svc+0x7c/0x1f0 [ 104.703764][ T4886] el0t_64_sync_handler+0x84/0xe4 [ 104.705111][ T4886] el0t_64_sync+0x1a0/0x1a4 [ 104.706812][ T4886] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 104.709931][ T4886] CPU: 1 PID: 4886 Comm: syz.0.31 Not tainted 5.15.178-syzkaller #0 [ 104.712023][ T4886] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 104.714667][ T4886] Call trace: [ 104.715534][ T4886] dump_backtrace+0x0/0x530 [ 104.716701][ T4886] show_stack+0x2c/0x3c [ 104.717778][ T4886] dump_stack_lvl+0x108/0x170 [ 104.719013][ T4886] dump_stack+0x1c/0x58 [ 104.720151][ T4886] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 104.721594][ T4886] dccp_xmit_packet+0x298/0x448 [ 104.722851][ T4886] dccp_write_xmit+0x128/0x208 [ 104.724121][ T4886] dccp_sendmsg+0x608/0xae0 [ 104.725317][ T4886] inet_sendmsg+0x15c/0x290 [ 104.726533][ T4886] __sys_sendto+0x388/0x4d0 [ 104.727673][ T4886] __arm64_sys_sendto+0xd8/0xf8 [ 104.728914][ T4886] invoke_syscall+0x98/0x2b8 [ 104.730131][ T4886] el0_svc_common+0x138/0x258 [ 104.731328][ T4886] do_el0_svc+0x58/0x14c [ 104.732443][ T4886] el0_svc+0x7c/0x1f0 [ 104.733511][ T4886] el0t_64_sync_handler+0x84/0xe4 [ 104.734830][ T4886] el0t_64_sync+0x1a0/0x1a4 [ 104.769353][ T4888] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 104.770767][ T1806] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 104.772682][ T4888] CPU: 1 PID: 4888 Comm: syz.0.32 Not tainted 5.15.178-syzkaller #0 [ 104.774305][ T1806] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 104.776325][ T4888] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 104.780797][ T4888] Call trace: [ 104.781696][ T4888] dump_backtrace+0x0/0x530 [ 104.782859][ T4888] show_stack+0x2c/0x3c [ 104.783934][ T4888] dump_stack_lvl+0x108/0x170 [ 104.785318][ T4888] dump_stack+0x1c/0x58 [ 104.786427][ T4888] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 104.787867][ T4888] dccp_xmit_packet+0x298/0x448 [ 104.789154][ T4888] dccp_write_xmit+0x128/0x208 [ 104.790419][ T4888] dccp_sendmsg+0x608/0xae0 [ 104.791685][ T4888] inet_sendmsg+0x15c/0x290 [ 104.792869][ T4888] __sys_sendto+0x388/0x4d0 [ 104.794051][ T4888] __arm64_sys_sendto+0xd8/0xf8 [ 104.795285][ T4888] invoke_syscall+0x98/0x2b8 [ 104.796506][ T4888] el0_svc_common+0x138/0x258 [ 104.797728][ T4888] do_el0_svc+0x58/0x14c [ 104.798902][ T4888] el0_svc+0x7c/0x1f0 [ 104.800001][ T4888] el0t_64_sync_handler+0x84/0xe4 [ 104.801326][ T4888] el0t_64_sync+0x1a0/0x1a4 [ 104.803280][ T4888] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 104.805731][ T1806] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 104.806226][ T4888] CPU: 1 PID: 4888 Comm: syz.0.32 Not tainted 5.15.178-syzkaller #0 [ 104.808194][ T1806] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 104.810256][ T4888] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 104.814742][ T4888] Call trace: [ 104.815608][ T4888] dump_backtrace+0x0/0x530 [ 104.816733][ T4888] show_stack+0x2c/0x3c [ 104.817875][ T4888] dump_stack_lvl+0x108/0x170 [ 104.819062][ T4888] dump_stack+0x1c/0x58 [ 104.820156][ T4888] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 104.821553][ T4888] dccp_xmit_packet+0x298/0x448 [ 104.822764][ T4888] dccp_write_xmit+0x128/0x208 [ 104.824112][ T4888] dccp_sendmsg+0x608/0xae0 [ 104.825314][ T4888] inet_sendmsg+0x15c/0x290 [ 104.826495][ T4888] __sys_sendto+0x388/0x4d0 [ 104.827666][ T4888] __arm64_sys_sendto+0xd8/0xf8 [ 104.828933][ T4888] invoke_syscall+0x98/0x2b8 [ 104.830171][ T4888] el0_svc_common+0x138/0x258 [ 104.831427][ T4888] do_el0_svc+0x58/0x14c [ 104.832608][ T4888] el0_svc+0x7c/0x1f0 [ 104.833684][ T4888] el0t_64_sync_handler+0x84/0xe4 [ 104.835058][ T4888] el0t_64_sync+0x1a0/0x1a4 [ 104.837591][ T4888] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 104.839558][ T1806] device bridge_slave_1 left promiscuous mode [ 104.840681][ T4888] CPU: 1 PID: 4888 Comm: syz.0.32 Not tainted 5.15.178-syzkaller #0 [ 104.840697][ T4888] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 104.840704][ T4888] Call trace: [ 104.840708][ T4888] dump_backtrace+0x0/0x530 [ 104.840719][ T4888] show_stack+0x2c/0x3c [ 104.840727][ T4888] dump_stack_lvl+0x108/0x170 [ 104.840736][ T4888] dump_stack+0x1c/0x58 [ 104.840745][ T4888] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 104.840756][ T4888] dccp_xmit_packet+0x298/0x448 [ 104.840765][ T4888] dccp_write_xmit+0x128/0x208 [ 104.840774][ T4888] dccp_sendmsg+0x608/0xae0 [ 104.840783][ T4888] inet_sendmsg+0x15c/0x290 [ 104.845255][ T1806] bridge0: port 2(bridge_slave_1) entered disabled state [ 104.847193][ T4888] __sys_sendto+0x388/0x4d0 [ 104.862260][ T4888] __arm64_sys_sendto+0xd8/0xf8 [ 104.863587][ T4888] invoke_syscall+0x98/0x2b8 [ 104.864819][ T4888] el0_svc_common+0x138/0x258 [ 104.866077][ T4888] do_el0_svc+0x58/0x14c [ 104.867203][ T4888] el0_svc+0x7c/0x1f0 [ 104.868266][ T4888] el0t_64_sync_handler+0x84/0xe4 [ 104.869580][ T4888] el0t_64_sync+0x1a0/0x1a4 [ 104.871268][ T4888] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 104.874373][ T4888] CPU: 1 PID: 4888 Comm: syz.0.32 Not tainted 5.15.178-syzkaller #0 [ 104.876463][ T4888] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 104.879141][ T4888] Call trace: [ 104.879985][ T4888] dump_backtrace+0x0/0x530 [ 104.881182][ T4888] show_stack+0x2c/0x3c [ 104.882273][ T4888] dump_stack_lvl+0x108/0x170 [ 104.883558][ T4888] dump_stack+0x1c/0x58 [ 104.884653][ T4888] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 104.886128][ T4888] dccp_xmit_packet+0x298/0x448 [ 104.887400][ T4888] dccp_write_xmit+0x128/0x208 [ 104.888608][ T4888] dccp_sendmsg+0x608/0xae0 [ 104.889787][ T4888] inet_sendmsg+0x15c/0x290 [ 104.891029][ T4888] __sys_sendto+0x388/0x4d0 [ 104.892292][ T4888] __arm64_sys_sendto+0xd8/0xf8 [ 104.893660][ T4888] invoke_syscall+0x98/0x2b8 [ 104.894878][ T4888] el0_svc_common+0x138/0x258 [ 104.896123][ T4888] do_el0_svc+0x58/0x14c [ 104.897319][ T4888] el0_svc+0x7c/0x1f0 [ 104.898389][ T4888] el0t_64_sync_handler+0x84/0xe4 [ 104.899679][ T4888] el0t_64_sync+0x1a0/0x1a4 [ 104.901725][ T4888] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 104.904839][ T4888] CPU: 1 PID: 4888 Comm: syz.0.32 Not tainted 5.15.178-syzkaller #0 [ 104.906967][ T4888] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 104.909693][ T4888] Call trace: [ 104.910594][ T4888] dump_backtrace+0x0/0x530 [ 104.911830][ T4888] show_stack+0x2c/0x3c [ 104.912975][ T4888] dump_stack_lvl+0x108/0x170 [ 104.914240][ T4888] dump_stack+0x1c/0x58 [ 104.915394][ T4888] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 104.916912][ T4888] dccp_xmit_packet+0x298/0x448 [ 104.918196][ T4888] dccp_write_xmit+0x128/0x208 [ 104.919616][ T4888] dccp_sendmsg+0x608/0xae0 [ 104.920846][ T4888] inet_sendmsg+0x15c/0x290 [ 104.922014][ T4888] __sys_sendto+0x388/0x4d0 [ 104.923166][ T4888] __arm64_sys_sendto+0xd8/0xf8 [ 104.924458][ T4888] invoke_syscall+0x98/0x2b8 [ 104.925706][ T4888] el0_svc_common+0x138/0x258 [ 104.926938][ T4888] do_el0_svc+0x58/0x14c [ 104.928124][ T4888] el0_svc+0x7c/0x1f0 [ 104.929184][ T4888] el0t_64_sync_handler+0x84/0xe4 [ 104.930545][ T4888] el0t_64_sync+0x1a0/0x1a4 [ 104.932525][ T4888] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 104.935657][ T4888] CPU: 1 PID: 4888 Comm: syz.0.32 Not tainted 5.15.178-syzkaller #0 [ 104.937749][ T4888] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 104.940479][ T4888] Call trace: [ 104.941291][ T4888] dump_backtrace+0x0/0x530 [ 104.942518][ T4888] show_stack+0x2c/0x3c [ 104.943636][ T4888] dump_stack_lvl+0x108/0x170 [ 104.944880][ T4888] dump_stack+0x1c/0x58 [ 104.946005][ T4888] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 104.947461][ T4888] dccp_xmit_packet+0x298/0x448 [ 104.948716][ T4888] dccp_write_xmit+0x128/0x208 [ 104.950060][ T4888] dccp_sendmsg+0x608/0xae0 [ 104.951289][ T4888] inet_sendmsg+0x15c/0x290 [ 104.952492][ T4888] __sys_sendto+0x388/0x4d0 [ 104.953700][ T4888] __arm64_sys_sendto+0xd8/0xf8 [ 104.955000][ T4888] invoke_syscall+0x98/0x2b8 [ 104.956210][ T4888] el0_svc_common+0x138/0x258 [ 104.957475][ T4888] do_el0_svc+0x58/0x14c [ 104.958634][ T4888] el0_svc+0x7c/0x1f0 [ 104.959654][ T4888] el0t_64_sync_handler+0x84/0xe4 [ 104.960928][ T4888] el0t_64_sync+0x1a0/0x1a4 [ 104.962548][ T4888] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 104.963723][ T1806] device bridge_slave_0 left promiscuous mode [ 104.965618][ T4888] CPU: 1 PID: 4888 Comm: syz.0.32 Not tainted 5.15.178-syzkaller #0 [ 104.967248][ T1806] bridge0: port 1(bridge_slave_0) entered disabled state [ 104.969279][ T4888] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 104.973866][ T4888] Call trace: [ 104.974758][ T4888] dump_backtrace+0x0/0x530 [ 104.976000][ T4888] show_stack+0x2c/0x3c [ 104.977138][ T4888] dump_stack_lvl+0x108/0x170 [ 104.978363][ T4888] dump_stack+0x1c/0x58 [ 104.979468][ T4888] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 104.980981][ T4888] dccp_xmit_packet+0x298/0x448 [ 104.982417][ T4888] dccp_write_xmit+0x128/0x208 [ 104.983666][ T4888] dccp_sendmsg+0x608/0xae0 [ 104.984792][ T4888] inet_sendmsg+0x15c/0x290 [ 104.985963][ T4888] __sys_sendto+0x388/0x4d0 [ 104.987143][ T4888] __arm64_sys_sendto+0xd8/0xf8 [ 104.988428][ T4888] invoke_syscall+0x98/0x2b8 [ 104.989627][ T4888] el0_svc_common+0x138/0x258 [ 104.990851][ T4888] do_el0_svc+0x58/0x14c [ 104.991919][ T4888] el0_svc+0x7c/0x1f0 [ 104.993007][ T4888] el0t_64_sync_handler+0x84/0xe4 [ 104.994341][ T4888] el0t_64_sync+0x1a0/0x1a4 [ 104.996329][ T4888] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 104.999389][ T4888] CPU: 1 PID: 4888 Comm: syz.0.32 Not tainted 5.15.178-syzkaller #0 [ 105.001470][ T4888] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 105.004121][ T4888] Call trace: [ 105.005012][ T4888] dump_backtrace+0x0/0x530 [ 105.006205][ T4888] show_stack+0x2c/0x3c [ 105.007391][ T4888] dump_stack_lvl+0x108/0x170 [ 105.008580][ T4888] dump_stack+0x1c/0x58 [ 105.009730][ T4888] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 105.011294][ T4888] dccp_xmit_packet+0x298/0x448 [ 105.012515][ T4888] dccp_write_xmit+0x128/0x208 [ 105.013782][ T4888] dccp_sendmsg+0x608/0xae0 [ 105.015013][ T4888] inet_sendmsg+0x15c/0x290 [ 105.016237][ T4888] __sys_sendto+0x388/0x4d0 [ 105.017454][ T4888] __arm64_sys_sendto+0xd8/0xf8 [ 105.018706][ T4888] invoke_syscall+0x98/0x2b8 [ 105.019925][ T4888] el0_svc_common+0x138/0x258 [ 105.021147][ T4888] do_el0_svc+0x58/0x14c [ 105.022306][ T4888] el0_svc+0x7c/0x1f0 [ 105.023357][ T4888] el0t_64_sync_handler+0x84/0xe4 [ 105.024720][ T4888] el0t_64_sync+0x1a0/0x1a4 [ 105.057677][ T4890] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 105.061075][ T4890] CPU: 1 PID: 4890 Comm: syz.0.33 Not tainted 5.15.178-syzkaller #0 [ 105.063270][ T4890] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 105.066005][ T4890] Call trace: [ 105.066851][ T4890] dump_backtrace+0x0/0x530 [ 105.068014][ T4890] show_stack+0x2c/0x3c [ 105.069105][ T4890] dump_stack_lvl+0x108/0x170 [ 105.070358][ T4890] dump_stack+0x1c/0x58 [ 105.071475][ T4890] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 105.072941][ T4890] dccp_xmit_packet+0x298/0x448 [ 105.074290][ T4890] dccp_write_xmit+0x128/0x208 [ 105.075597][ T4890] dccp_sendmsg+0x608/0xae0 [ 105.076785][ T4890] inet_sendmsg+0x15c/0x290 [ 105.078020][ T4890] __sys_sendto+0x388/0x4d0 [ 105.079227][ T4890] __arm64_sys_sendto+0xd8/0xf8 [ 105.080541][ T4890] invoke_syscall+0x98/0x2b8 [ 105.081784][ T4890] el0_svc_common+0x138/0x258 [ 105.083107][ T4890] do_el0_svc+0x58/0x14c [ 105.084227][ T4890] el0_svc+0x7c/0x1f0 [ 105.085332][ T4890] el0t_64_sync_handler+0x84/0xe4 [ 105.086663][ T4890] el0t_64_sync+0x1a0/0x1a4 [ 105.088770][ T4890] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 105.092661][ T4890] CPU: 1 PID: 4890 Comm: syz.0.33 Not tainted 5.15.178-syzkaller #0 [ 105.094871][ T4890] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 105.097561][ T4890] Call trace: [ 105.098399][ T4890] dump_backtrace+0x0/0x530 [ 105.099626][ T4890] show_stack+0x2c/0x3c [ 105.100723][ T4890] dump_stack_lvl+0x108/0x170 [ 105.101960][ T4890] dump_stack+0x1c/0x58 [ 105.103174][ T4890] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 105.104690][ T4890] dccp_xmit_packet+0x298/0x448 [ 105.105925][ T4890] dccp_write_xmit+0x128/0x208 [ 105.107188][ T4890] dccp_sendmsg+0x608/0xae0 [ 105.108382][ T4890] inet_sendmsg+0x15c/0x290 [ 105.109559][ T4890] __sys_sendto+0x388/0x4d0 [ 105.110777][ T4890] __arm64_sys_sendto+0xd8/0xf8 [ 105.112113][ T4890] invoke_syscall+0x98/0x2b8 [ 105.113328][ T4890] el0_svc_common+0x138/0x258 [ 105.114581][ T4890] do_el0_svc+0x58/0x14c [ 105.115716][ T4890] el0_svc+0x7c/0x1f0 [ 105.116765][ T4890] el0t_64_sync_handler+0x84/0xe4 [ 105.118098][ T4890] el0t_64_sync+0x1a0/0x1a4 [ 105.119728][ T4890] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 105.122801][ T4890] CPU: 1 PID: 4890 Comm: syz.0.33 Not tainted 5.15.178-syzkaller #0 [ 105.124934][ T4890] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 105.127654][ T4890] Call trace: [ 105.128513][ T4890] dump_backtrace+0x0/0x530 [ 105.129721][ T4890] show_stack+0x2c/0x3c [ 105.130814][ T4890] dump_stack_lvl+0x108/0x170 [ 105.130977][ T1806] device veth1_macvtap left promiscuous mode [ 105.132088][ T4890] dump_stack+0x1c/0x58 [ 105.133716][ T1806] device veth0_macvtap left promiscuous mode [ 105.134791][ T4890] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 105.136413][ T1806] device veth1_vlan left promiscuous mode [ 105.137735][ T4890] dccp_xmit_packet+0x298/0x448 [ 105.139265][ T1806] device veth0_vlan left promiscuous mode [ 105.140396][ T4890] dccp_write_xmit+0x128/0x208 [ 105.143174][ T4890] dccp_sendmsg+0x608/0xae0 [ 105.144380][ T4890] inet_sendmsg+0x15c/0x290 [ 105.145562][ T4890] __sys_sendto+0x388/0x4d0 [ 105.146744][ T4890] __arm64_sys_sendto+0xd8/0xf8 [ 105.148057][ T4890] invoke_syscall+0x98/0x2b8 [ 105.149308][ T4890] el0_svc_common+0x138/0x258 [ 105.150586][ T4890] do_el0_svc+0x58/0x14c [ 105.151723][ T4890] el0_svc+0x7c/0x1f0 [ 105.152774][ T4890] el0t_64_sync_handler+0x84/0xe4 [ 105.154122][ T4890] el0t_64_sync+0x1a0/0x1a4 [ 105.155915][ T4890] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 105.159012][ T4890] CPU: 1 PID: 4890 Comm: syz.0.33 Not tainted 5.15.178-syzkaller #0 [ 105.161138][ T4890] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 105.163752][ T4890] Call trace: [ 105.164622][ T4890] dump_backtrace+0x0/0x530 [ 105.165772][ T4890] show_stack+0x2c/0x3c [ 105.166950][ T4890] dump_stack_lvl+0x108/0x170 [ 105.168208][ T4890] dump_stack+0x1c/0x58 [ 105.169297][ T4890] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 105.170756][ T4890] dccp_xmit_packet+0x298/0x448 [ 105.172023][ T4890] dccp_write_xmit+0x128/0x208 [ 105.173295][ T4890] dccp_sendmsg+0x608/0xae0 [ 105.174522][ T4890] inet_sendmsg+0x15c/0x290 [ 105.175734][ T4890] __sys_sendto+0x388/0x4d0 [ 105.176939][ T4890] __arm64_sys_sendto+0xd8/0xf8 [ 105.178246][ T4890] invoke_syscall+0x98/0x2b8 [ 105.179454][ T4890] el0_svc_common+0x138/0x258 [ 105.180737][ T4890] do_el0_svc+0x58/0x14c [ 105.181846][ T4890] el0_svc+0x7c/0x1f0 [ 105.182887][ T4890] el0t_64_sync_handler+0x84/0xe4 [ 105.184230][ T4890] el0t_64_sync+0x1a0/0x1a4 [ 105.186114][ T4890] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 105.189169][ T4890] CPU: 1 PID: 4890 Comm: syz.0.33 Not tainted 5.15.178-syzkaller #0 [ 105.191362][ T4890] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 105.194096][ T4890] Call trace: [ 105.194942][ T4890] dump_backtrace+0x0/0x530 [ 105.196220][ T4890] show_stack+0x2c/0x3c [ 105.197334][ T4890] dump_stack_lvl+0x108/0x170 [ 105.198580][ T4890] dump_stack+0x1c/0x58 [ 105.199662][ T4890] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 105.201133][ T4890] dccp_xmit_packet+0x298/0x448 [ 105.202393][ T4890] dccp_write_xmit+0x128/0x208 [ 105.203658][ T4890] dccp_sendmsg+0x608/0xae0 [ 105.204876][ T4890] inet_sendmsg+0x15c/0x290 [ 105.206067][ T4890] __sys_sendto+0x388/0x4d0 [ 105.207241][ T4890] __arm64_sys_sendto+0xd8/0xf8 [ 105.208513][ T4890] invoke_syscall+0x98/0x2b8 [ 105.209772][ T4890] el0_svc_common+0x138/0x258 [ 105.210999][ T4890] do_el0_svc+0x58/0x14c [ 105.212138][ T4890] el0_svc+0x7c/0x1f0 [ 105.213203][ T4890] el0t_64_sync_handler+0x84/0xe4 [ 105.214509][ T4890] el0t_64_sync+0x1a0/0x1a4 [ 105.216131][ T4890] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 105.219219][ T4890] CPU: 1 PID: 4890 Comm: syz.0.33 Not tainted 5.15.178-syzkaller #0 [ 105.221367][ T4890] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 105.224054][ T4890] Call trace: [ 105.224908][ T4890] dump_backtrace+0x0/0x530 [ 105.226086][ T4890] show_stack+0x2c/0x3c [ 105.227184][ T4890] dump_stack_lvl+0x108/0x170 [ 105.228458][ T4890] dump_stack+0x1c/0x58 [ 105.229495][ T4890] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 105.230878][ T4890] dccp_xmit_packet+0x298/0x448 [ 105.232214][ T4890] dccp_write_xmit+0x128/0x208 [ 105.233496][ T4890] dccp_sendmsg+0x608/0xae0 [ 105.234751][ T4890] inet_sendmsg+0x15c/0x290 [ 105.235907][ T4890] __sys_sendto+0x388/0x4d0 [ 105.237164][ T4890] __arm64_sys_sendto+0xd8/0xf8 [ 105.238619][ T4890] invoke_syscall+0x98/0x2b8 [ 105.239911][ T4890] el0_svc_common+0x138/0x258 [ 105.241239][ T4890] do_el0_svc+0x58/0x14c [ 105.242453][ T4890] el0_svc+0x7c/0x1f0 [ 105.243575][ T4890] el0t_64_sync_handler+0x84/0xe4 [ 105.244960][ T4890] el0t_64_sync+0x1a0/0x1a4 [ 105.247041][ T4890] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 105.250170][ T4890] CPU: 1 PID: 4890 Comm: syz.0.33 Not tainted 5.15.178-syzkaller #0 [ 105.252393][ T4890] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 105.255098][ T4890] Call trace: [ 105.255948][ T4890] dump_backtrace+0x0/0x530 [ 105.257157][ T4890] show_stack+0x2c/0x3c [ 105.258293][ T4890] dump_stack_lvl+0x108/0x170 [ 105.259616][ T4890] dump_stack+0x1c/0x58 [ 105.260753][ T4890] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 105.262251][ T4890] dccp_xmit_packet+0x298/0x448 [ 105.263601][ T4890] dccp_write_xmit+0x128/0x208 [ 105.264868][ T4890] dccp_sendmsg+0x608/0xae0 [ 105.266109][ T4890] inet_sendmsg+0x15c/0x290 [ 105.267360][ T4890] __sys_sendto+0x388/0x4d0 [ 105.268541][ T4890] __arm64_sys_sendto+0xd8/0xf8 [ 105.269838][ T4890] invoke_syscall+0x98/0x2b8 [ 105.271056][ T4890] el0_svc_common+0x138/0x258 [ 105.272325][ T4890] do_el0_svc+0x58/0x14c [ 105.273498][ T4890] el0_svc+0x7c/0x1f0 [ 105.274659][ T4890] el0t_64_sync_handler+0x84/0xe4 [ 105.276027][ T4890] el0t_64_sync+0x1a0/0x1a4 [ 105.277859][ T4890] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 105.281024][ T4890] CPU: 1 PID: 4890 Comm: syz.0.33 Not tainted 5.15.178-syzkaller #0 [ 105.283155][ T4890] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 105.285899][ T4890] Call trace: [ 105.286753][ T4890] dump_backtrace+0x0/0x530 [ 105.287987][ T4890] show_stack+0x2c/0x3c [ 105.289123][ T4890] dump_stack_lvl+0x108/0x170 [ 105.290418][ T4890] dump_stack+0x1c/0x58 [ 105.291508][ T4890] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 105.293029][ T4890] dccp_xmit_packet+0x298/0x448 [ 105.294361][ T4890] dccp_write_xmit+0x128/0x208 [ 105.295614][ T4890] dccp_sendmsg+0x608/0xae0 [ 105.296798][ T4890] inet_sendmsg+0x15c/0x290 [ 105.298010][ T4890] __sys_sendto+0x388/0x4d0 [ 105.299180][ T4890] __arm64_sys_sendto+0xd8/0xf8 [ 105.300408][ T4890] invoke_syscall+0x98/0x2b8 [ 105.301670][ T4890] el0_svc_common+0x138/0x258 [ 105.302926][ T4890] do_el0_svc+0x58/0x14c [ 105.304188][ T4890] el0_svc+0x7c/0x1f0 [ 105.305442][ T4890] el0t_64_sync_handler+0x84/0xe4 [ 105.306795][ T4890] el0t_64_sync+0x1a0/0x1a4 [ 105.309076][ T4890] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 105.312193][ T4890] CPU: 1 PID: 4890 Comm: syz.0.33 Not tainted 5.15.178-syzkaller #0 [ 105.314226][ T4890] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 105.316971][ T4890] Call trace: [ 105.317839][ T4890] dump_backtrace+0x0/0x530 [ 105.319110][ T4890] show_stack+0x2c/0x3c [ 105.320243][ T4890] dump_stack_lvl+0x108/0x170 [ 105.321493][ T4890] dump_stack+0x1c/0x58 [ 105.322650][ T4890] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 105.324148][ T4890] dccp_xmit_packet+0x298/0x448 [ 105.325481][ T4890] dccp_write_xmit+0x128/0x208 [ 105.326800][ T4890] dccp_sendmsg+0x608/0xae0 [ 105.328016][ T4890] inet_sendmsg+0x15c/0x290 [ 105.329195][ T4890] __sys_sendto+0x388/0x4d0 [ 105.330417][ T4890] __arm64_sys_sendto+0xd8/0xf8 [ 105.331727][ T4890] invoke_syscall+0x98/0x2b8 [ 105.333002][ T4890] el0_svc_common+0x138/0x258 [ 105.334240][ T4890] do_el0_svc+0x58/0x14c [ 105.335435][ T4890] el0_svc+0x7c/0x1f0 [ 105.336546][ T4890] el0t_64_sync_handler+0x84/0xe4 [ 105.337920][ T4890] el0t_64_sync+0x1a0/0x1a4 [ 105.399441][ T4892] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 105.406152][ T4892] CPU: 0 PID: 4892 Comm: syz.0.34 Not tainted 5.15.178-syzkaller #0 [ 105.408322][ T4892] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 105.411002][ T4892] Call trace: [ 105.411852][ T4892] dump_backtrace+0x0/0x530 [ 105.413059][ T4892] show_stack+0x2c/0x3c [ 105.414215][ T4892] dump_stack_lvl+0x108/0x170 [ 105.415493][ T4892] dump_stack+0x1c/0x58 [ 105.416590][ T4892] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 105.418050][ T4892] dccp_xmit_packet+0x298/0x448 [ 105.419314][ T4892] dccp_write_xmit+0x128/0x208 [ 105.420558][ T4892] dccp_sendmsg+0x608/0xae0 [ 105.421747][ T4892] inet_sendmsg+0x15c/0x290 [ 105.422911][ T4892] __sys_sendto+0x388/0x4d0 [ 105.424077][ T4892] __arm64_sys_sendto+0xd8/0xf8 [ 105.425395][ T4892] invoke_syscall+0x98/0x2b8 [ 105.426668][ T4892] el0_svc_common+0x138/0x258 [ 105.427953][ T4892] do_el0_svc+0x58/0x14c [ 105.429079][ T4892] el0_svc+0x7c/0x1f0 [ 105.430189][ T4892] el0t_64_sync_handler+0x84/0xe4 [ 105.431612][ T4892] el0t_64_sync+0x1a0/0x1a4 [ 105.433469][ T4892] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 105.436691][ T4892] CPU: 0 PID: 4892 Comm: syz.0.34 Not tainted 5.15.178-syzkaller #0 [ 105.438850][ T4892] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 105.441626][ T4892] Call trace: [ 105.442489][ T4892] dump_backtrace+0x0/0x530 [ 105.443675][ T4892] show_stack+0x2c/0x3c [ 105.444855][ T4892] dump_stack_lvl+0x108/0x170 [ 105.446143][ T4892] dump_stack+0x1c/0x58 [ 105.447319][ T4892] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 105.448749][ T4892] dccp_xmit_packet+0x298/0x448 [ 105.450355][ T4892] dccp_write_xmit+0x128/0x208 [ 105.451864][ T4892] dccp_sendmsg+0x608/0xae0 [ 105.453146][ T4892] inet_sendmsg+0x15c/0x290 [ 105.454487][ T4892] __sys_sendto+0x388/0x4d0 [ 105.455681][ T4892] __arm64_sys_sendto+0xd8/0xf8 [ 105.457012][ T4892] invoke_syscall+0x98/0x2b8 [ 105.458341][ T4892] el0_svc_common+0x138/0x258 [ 105.459666][ T4892] do_el0_svc+0x58/0x14c [ 105.460807][ T4892] el0_svc+0x7c/0x1f0 [ 105.461860][ T4892] el0t_64_sync_handler+0x84/0xe4 [ 105.463260][ T4892] el0t_64_sync+0x1a0/0x1a4 [ 105.465395][ T4892] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 105.468511][ T4892] CPU: 0 PID: 4892 Comm: syz.0.34 Not tainted 5.15.178-syzkaller #0 [ 105.470703][ T4892] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 105.473445][ T4892] Call trace: [ 105.474330][ T4892] dump_backtrace+0x0/0x530 [ 105.475537][ T4892] show_stack+0x2c/0x3c [ 105.476745][ T4892] dump_stack_lvl+0x108/0x170 [ 105.478040][ T4892] dump_stack+0x1c/0x58 [ 105.479163][ T4892] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 105.480669][ T4892] dccp_xmit_packet+0x298/0x448 [ 105.482034][ T4892] dccp_write_xmit+0x128/0x208 [ 105.483314][ T4892] dccp_sendmsg+0x608/0xae0 [ 105.484537][ T4892] inet_sendmsg+0x15c/0x290 [ 105.485756][ T4892] __sys_sendto+0x388/0x4d0 [ 105.486956][ T4892] __arm64_sys_sendto+0xd8/0xf8 [ 105.488298][ T4892] invoke_syscall+0x98/0x2b8 [ 105.489592][ T4892] el0_svc_common+0x138/0x258 [ 105.490917][ T4892] do_el0_svc+0x58/0x14c [ 105.492095][ T4892] el0_svc+0x7c/0x1f0 [ 105.493174][ T4892] el0t_64_sync_handler+0x84/0xe4 [ 105.494512][ T4892] el0t_64_sync+0x1a0/0x1a4 [ 105.496836][ T4892] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 105.500086][ T4892] CPU: 0 PID: 4892 Comm: syz.0.34 Not tainted 5.15.178-syzkaller #0 [ 105.502285][ T4892] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 105.505023][ T4892] Call trace: [ 105.505884][ T4892] dump_backtrace+0x0/0x530 [ 105.507067][ T4892] show_stack+0x2c/0x3c [ 105.508228][ T4892] dump_stack_lvl+0x108/0x170 [ 105.509495][ T4892] dump_stack+0x1c/0x58 [ 105.510615][ T4892] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 105.512224][ T4892] dccp_xmit_packet+0x298/0x448 [ 105.513592][ T4892] dccp_write_xmit+0x128/0x208 [ 105.514890][ T4892] dccp_sendmsg+0x608/0xae0 [ 105.516142][ T4892] inet_sendmsg+0x15c/0x290 [ 105.517381][ T4892] __sys_sendto+0x388/0x4d0 [ 105.518597][ T4892] __arm64_sys_sendto+0xd8/0xf8 [ 105.519943][ T4892] invoke_syscall+0x98/0x2b8 [ 105.521247][ T4892] el0_svc_common+0x138/0x258 [ 105.522440][ T4892] do_el0_svc+0x58/0x14c [ 105.523652][ T4892] el0_svc+0x7c/0x1f0 [ 105.524680][ T4892] el0t_64_sync_handler+0x84/0xe4 [ 105.526018][ T4892] el0t_64_sync+0x1a0/0x1a4 [ 105.527770][ T4892] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 105.531048][ T4892] CPU: 0 PID: 4892 Comm: syz.0.34 Not tainted 5.15.178-syzkaller #0 [ 105.533234][ T4892] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 105.536016][ T4892] Call trace: [ 105.536900][ T4892] dump_backtrace+0x0/0x530 [ 105.538103][ T4892] show_stack+0x2c/0x3c [ 105.539182][ T4892] dump_stack_lvl+0x108/0x170 [ 105.540408][ T4892] dump_stack+0x1c/0x58 [ 105.541496][ T4892] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 105.542954][ T4892] dccp_xmit_packet+0x298/0x448 [ 105.544257][ T4892] dccp_write_xmit+0x128/0x208 [ 105.545470][ T4892] dccp_sendmsg+0x608/0xae0 [ 105.546699][ T4892] inet_sendmsg+0x15c/0x290 [ 105.547982][ T4892] __sys_sendto+0x388/0x4d0 [ 105.549197][ T4892] __arm64_sys_sendto+0xd8/0xf8 [ 105.550509][ T4892] invoke_syscall+0x98/0x2b8 [ 105.551851][ T4892] el0_svc_common+0x138/0x258 [ 105.553137][ T4892] do_el0_svc+0x58/0x14c [ 105.554300][ T4892] el0_svc+0x7c/0x1f0 [ 105.555391][ T4892] el0t_64_sync_handler+0x84/0xe4 [ 105.556733][ T4892] el0t_64_sync+0x1a0/0x1a4 [ 105.558602][ T4892] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 105.561824][ T4892] CPU: 0 PID: 4892 Comm: syz.0.34 Not tainted 5.15.178-syzkaller #0 [ 105.563939][ T4892] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 105.566688][ T4892] Call trace: [ 105.567547][ T4892] dump_backtrace+0x0/0x530 [ 105.568730][ T4892] show_stack+0x2c/0x3c [ 105.569809][ T4892] dump_stack_lvl+0x108/0x170 [ 105.571065][ T4892] dump_stack+0x1c/0x58 [ 105.572274][ T4892] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 105.573751][ T4892] dccp_xmit_packet+0x298/0x448 [ 105.575076][ T4892] dccp_write_xmit+0x128/0x208 [ 105.576334][ T4892] dccp_sendmsg+0x608/0xae0 [ 105.577547][ T4892] inet_sendmsg+0x15c/0x290 [ 105.578808][ T4892] __sys_sendto+0x388/0x4d0 [ 105.580030][ T4892] __arm64_sys_sendto+0xd8/0xf8 [ 105.581340][ T4892] invoke_syscall+0x98/0x2b8 [ 105.582698][ T4892] el0_svc_common+0x138/0x258 [ 105.584015][ T4892] do_el0_svc+0x58/0x14c [ 105.585217][ T4892] el0_svc+0x7c/0x1f0 [ 105.586289][ T4892] el0t_64_sync_handler+0x84/0xe4 [ 105.587631][ T4892] el0t_64_sync+0x1a0/0x1a4 [ 105.589357][ T4892] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 105.592428][ T4892] CPU: 0 PID: 4892 Comm: syz.0.34 Not tainted 5.15.178-syzkaller #0 [ 105.594601][ T4892] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 105.597299][ T4892] Call trace: [ 105.598188][ T4892] dump_backtrace+0x0/0x530 [ 105.599462][ T4892] show_stack+0x2c/0x3c [ 105.600621][ T4892] dump_stack_lvl+0x108/0x170 [ 105.601911][ T4892] dump_stack+0x1c/0x58 [ 105.603006][ T4892] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 105.604483][ T4892] dccp_xmit_packet+0x298/0x448 [ 105.605809][ T4892] dccp_write_xmit+0x128/0x208 [ 105.607141][ T4892] dccp_sendmsg+0x608/0xae0 [ 105.608483][ T4892] inet_sendmsg+0x15c/0x290 [ 105.609719][ T4892] __sys_sendto+0x388/0x4d0 [ 105.610966][ T4892] __arm64_sys_sendto+0xd8/0xf8 [ 105.612353][ T4892] invoke_syscall+0x98/0x2b8 [ 105.613588][ T4892] el0_svc_common+0x138/0x258 [ 105.614887][ T4892] do_el0_svc+0x58/0x14c [ 105.616064][ T4892] el0_svc+0x7c/0x1f0 [ 105.617164][ T4892] el0t_64_sync_handler+0x84/0xe4 [ 105.618563][ T4892] el0t_64_sync+0x1a0/0x1a4 [ 105.621357][ T4892] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 105.624513][ T4892] CPU: 0 PID: 4892 Comm: syz.0.34 Not tainted 5.15.178-syzkaller #0 [ 105.626719][ T4892] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 105.629424][ T4892] Call trace: [ 105.630298][ T4892] dump_backtrace+0x0/0x530 [ 105.631541][ T4892] show_stack+0x2c/0x3c [ 105.632682][ T4892] dump_stack_lvl+0x108/0x170 [ 105.633954][ T4892] dump_stack+0x1c/0x58 [ 105.635129][ T4892] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 105.636699][ T4892] dccp_xmit_packet+0x298/0x448 [ 105.638057][ T4892] dccp_write_xmit+0x128/0x208 [ 105.639426][ T4892] dccp_sendmsg+0x608/0xae0 [ 105.640652][ T4892] inet_sendmsg+0x15c/0x290 [ 105.641843][ T4892] __sys_sendto+0x388/0x4d0 [ 105.643060][ T4892] __arm64_sys_sendto+0xd8/0xf8 [ 105.644358][ T4892] invoke_syscall+0x98/0x2b8 [ 105.645575][ T4892] el0_svc_common+0x138/0x258 [ 105.646824][ T4892] do_el0_svc+0x58/0x14c [ 105.647959][ T4892] el0_svc+0x7c/0x1f0 [ 105.649099][ T4892] el0t_64_sync_handler+0x84/0xe4 [ 105.650450][ T4892] el0t_64_sync+0x1a0/0x1a4 [ 105.653926][ T4892] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 105.657189][ T4892] CPU: 0 PID: 4892 Comm: syz.0.34 Not tainted 5.15.178-syzkaller #0 [ 105.659426][ T4892] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 105.662211][ T4892] Call trace: [ 105.663157][ T4892] dump_backtrace+0x0/0x530 [ 105.664380][ T4892] show_stack+0x2c/0x3c [ 105.665589][ T4892] dump_stack_lvl+0x108/0x170 [ 105.666943][ T4892] dump_stack+0x1c/0x58 [ 105.668088][ T4892] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 105.669647][ T4892] dccp_xmit_packet+0x298/0x448 [ 105.670953][ T4892] dccp_write_xmit+0x128/0x208 [ 105.672290][ T4892] dccp_sendmsg+0x608/0xae0 [ 105.673512][ T4892] inet_sendmsg+0x15c/0x290 [ 105.674721][ T4892] __sys_sendto+0x388/0x4d0 [ 105.675961][ T4892] __arm64_sys_sendto+0xd8/0xf8 [ 105.677304][ T4892] invoke_syscall+0x98/0x2b8 [ 105.678579][ T4892] el0_svc_common+0x138/0x258 [ 105.679859][ T4892] do_el0_svc+0x58/0x14c [ 105.681017][ T4892] el0_svc+0x7c/0x1f0 [ 105.682056][ T4892] el0t_64_sync_handler+0x84/0xe4 [ 105.683422][ T4892] el0t_64_sync+0x1a0/0x1a4 [ 105.685598][ T1806] team0 (unregistering): Port device team_slave_1 removed [ 105.723432][ T1806] team0 (unregistering): Port device team_slave_0 removed [ 105.729419][ T4894] net_ratelimit: 9 callbacks suppressed [ 105.729431][ T4894] dccp_xmit_packet: Payload too large (65475) for featneg. [ 105.733395][ T1806] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 105.749809][ T4894] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 105.753422][ T4894] CPU: 0 PID: 4894 Comm: syz.0.35 Not tainted 5.15.178-syzkaller #0 [ 105.755548][ T4894] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 105.758324][ T4894] Call trace: [ 105.759174][ T4894] dump_backtrace+0x0/0x530 [ 105.760390][ T4894] show_stack+0x2c/0x3c [ 105.761488][ T4894] dump_stack_lvl+0x108/0x170 [ 105.762752][ T4894] dump_stack+0x1c/0x58 [ 105.763889][ T4894] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 105.765378][ T4894] dccp_xmit_packet+0x298/0x448 [ 105.766725][ T4894] dccp_write_xmit+0x128/0x208 [ 105.768053][ T4894] dccp_sendmsg+0x608/0xae0 [ 105.769283][ T4894] inet_sendmsg+0x15c/0x290 [ 105.770527][ T4894] __sys_sendto+0x388/0x4d0 [ 105.771814][ T4894] __arm64_sys_sendto+0xd8/0xf8 [ 105.773156][ T4894] invoke_syscall+0x98/0x2b8 [ 105.774372][ T4894] el0_svc_common+0x138/0x258 [ 105.775640][ T4894] do_el0_svc+0x58/0x14c [ 105.776730][ T4894] el0_svc+0x7c/0x1f0 [ 105.777823][ T4894] el0t_64_sync_handler+0x84/0xe4 [ 105.779177][ T4894] el0t_64_sync+0x1a0/0x1a4 [ 105.783611][ T4894] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 105.786827][ T4894] CPU: 0 PID: 4894 Comm: syz.0.35 Not tainted 5.15.178-syzkaller #0 [ 105.788935][ T4894] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 105.791791][ T4894] Call trace: [ 105.792665][ T4894] dump_backtrace+0x0/0x530 [ 105.793923][ T4894] show_stack+0x2c/0x3c [ 105.795027][ T4894] dump_stack_lvl+0x108/0x170 [ 105.796344][ T4894] dump_stack+0x1c/0x58 [ 105.797452][ T4894] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 105.798966][ T4894] dccp_xmit_packet+0x298/0x448 [ 105.800303][ T4894] dccp_write_xmit+0x128/0x208 [ 105.801883][ T4894] dccp_sendmsg+0x608/0xae0 [ 105.803137][ T4894] inet_sendmsg+0x15c/0x290 [ 105.804406][ T4894] __sys_sendto+0x388/0x4d0 [ 105.805610][ T4894] __arm64_sys_sendto+0xd8/0xf8 [ 105.806983][ T4894] invoke_syscall+0x98/0x2b8 [ 105.808271][ T4894] el0_svc_common+0x138/0x258 [ 105.809543][ T4894] do_el0_svc+0x58/0x14c [ 105.810705][ T4894] el0_svc+0x7c/0x1f0 [ 105.811772][ T4894] el0t_64_sync_handler+0x84/0xe4 [ 105.813136][ T4894] el0t_64_sync+0x1a0/0x1a4 [ 105.815038][ T1806] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 105.817593][ T4894] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 105.823511][ T4894] CPU: 1 PID: 4894 Comm: syz.0.35 Not tainted 5.15.178-syzkaller #0 [ 105.825670][ T4894] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 105.828416][ T4894] Call trace: [ 105.829301][ T4894] dump_backtrace+0x0/0x530 [ 105.830507][ T4894] show_stack+0x2c/0x3c [ 105.831610][ T4894] dump_stack_lvl+0x108/0x170 [ 105.832935][ T4894] dump_stack+0x1c/0x58 [ 105.834030][ T4894] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 105.835508][ T4894] dccp_xmit_packet+0x298/0x448 [ 105.836849][ T4894] dccp_write_xmit+0x128/0x208 [ 105.838135][ T4894] dccp_sendmsg+0x608/0xae0 [ 105.839300][ T4894] inet_sendmsg+0x15c/0x290 [ 105.840486][ T4894] __sys_sendto+0x388/0x4d0 [ 105.841785][ T4894] __arm64_sys_sendto+0xd8/0xf8 [ 105.843156][ T4894] invoke_syscall+0x98/0x2b8 [ 105.844363][ T4894] el0_svc_common+0x138/0x258 [ 105.845568][ T4894] do_el0_svc+0x58/0x14c [ 105.846747][ T4894] el0_svc+0x7c/0x1f0 [ 105.847863][ T4894] el0t_64_sync_handler+0x84/0xe4 [ 105.849171][ T4894] el0t_64_sync+0x1a0/0x1a4 [ 105.853741][ T4894] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 105.856734][ T4894] CPU: 1 PID: 4894 Comm: syz.0.35 Not tainted 5.15.178-syzkaller #0 [ 105.858771][ T4894] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 105.861356][ T4894] Call trace: [ 105.862165][ T4894] dump_backtrace+0x0/0x530 [ 105.863360][ T4894] show_stack+0x2c/0x3c [ 105.864422][ T4894] dump_stack_lvl+0x108/0x170 [ 105.865735][ T4894] dump_stack+0x1c/0x58 [ 105.866864][ T4894] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 105.868298][ T4894] dccp_xmit_packet+0x298/0x448 [ 105.869582][ T4894] dccp_write_xmit+0x128/0x208 [ 105.870888][ T4894] dccp_sendmsg+0x608/0xae0 [ 105.872070][ T4894] inet_sendmsg+0x15c/0x290 [ 105.873240][ T4894] __sys_sendto+0x388/0x4d0 [ 105.874433][ T4894] __arm64_sys_sendto+0xd8/0xf8 [ 105.875672][ T4894] invoke_syscall+0x98/0x2b8 [ 105.876883][ T4894] el0_svc_common+0x138/0x258 [ 105.878153][ T4894] do_el0_svc+0x58/0x14c [ 105.879249][ T4894] el0_svc+0x7c/0x1f0 [ 105.880262][ T4894] el0t_64_sync_handler+0x84/0xe4 [ 105.881596][ T4894] el0t_64_sync+0x1a0/0x1a4 [ 105.890851][ T4894] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 105.894078][ T4894] CPU: 0 PID: 4894 Comm: syz.0.35 Not tainted 5.15.178-syzkaller #0 [ 105.896286][ T4894] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 105.899056][ T4894] Call trace: [ 105.900007][ T4894] dump_backtrace+0x0/0x530 [ 105.901236][ T4894] show_stack+0x2c/0x3c [ 105.902333][ T4894] dump_stack_lvl+0x108/0x170 [ 105.903596][ T4894] dump_stack+0x1c/0x58 [ 105.904718][ T4894] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 105.906209][ T4894] dccp_xmit_packet+0x298/0x448 [ 105.907545][ T4894] dccp_write_xmit+0x128/0x208 [ 105.908843][ T4894] dccp_sendmsg+0x608/0xae0 [ 105.910083][ T4894] inet_sendmsg+0x15c/0x290 [ 105.911290][ T4894] __sys_sendto+0x388/0x4d0 [ 105.912521][ T4894] __arm64_sys_sendto+0xd8/0xf8 [ 105.913812][ T4894] invoke_syscall+0x98/0x2b8 [ 105.915020][ T4894] el0_svc_common+0x138/0x258 [ 105.916288][ T4894] do_el0_svc+0x58/0x14c [ 105.917450][ T4894] el0_svc+0x7c/0x1f0 [ 105.918565][ T4894] el0t_64_sync_handler+0x84/0xe4 [ 105.919926][ T4894] el0t_64_sync+0x1a0/0x1a4 [ 105.924134][ T4894] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 105.927272][ T4894] CPU: 0 PID: 4894 Comm: syz.0.35 Not tainted 5.15.178-syzkaller #0 [ 105.929378][ T4894] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 105.932053][ T4894] Call trace: [ 105.932925][ T4894] dump_backtrace+0x0/0x530 [ 105.934211][ T4894] show_stack+0x2c/0x3c [ 105.935301][ T4894] dump_stack_lvl+0x108/0x170 [ 105.936526][ T4894] dump_stack+0x1c/0x58 [ 105.937656][ T4894] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 105.939151][ T4894] dccp_xmit_packet+0x298/0x448 [ 105.940477][ T4894] dccp_write_xmit+0x128/0x208 [ 105.941796][ T4894] dccp_sendmsg+0x608/0xae0 [ 105.943005][ T4894] inet_sendmsg+0x15c/0x290 [ 105.944224][ T4894] __sys_sendto+0x388/0x4d0 [ 105.945408][ T4894] __arm64_sys_sendto+0xd8/0xf8 [ 105.946739][ T4894] invoke_syscall+0x98/0x2b8 [ 105.947984][ T4894] el0_svc_common+0x138/0x258 [ 105.949375][ T4894] do_el0_svc+0x58/0x14c [ 105.950642][ T4894] el0_svc+0x7c/0x1f0 [ 105.951738][ T4894] el0t_64_sync_handler+0x84/0xe4 [ 105.953117][ T4894] el0t_64_sync+0x1a0/0x1a4 [ 105.956183][ T4894] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 105.959168][ T4894] CPU: 1 PID: 4894 Comm: syz.0.35 Not tainted 5.15.178-syzkaller #0 [ 105.961249][ T4894] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 105.963926][ T4894] Call trace: [ 105.964755][ T4894] dump_backtrace+0x0/0x530 [ 105.966001][ T4894] show_stack+0x2c/0x3c [ 105.967100][ T4894] dump_stack_lvl+0x108/0x170 [ 105.968303][ T4894] dump_stack+0x1c/0x58 [ 105.969469][ T4894] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 105.970909][ T4894] dccp_xmit_packet+0x298/0x448 [ 105.972179][ T4894] dccp_write_xmit+0x128/0x208 [ 105.973456][ T4894] dccp_sendmsg+0x608/0xae0 [ 105.974701][ T4894] inet_sendmsg+0x15c/0x290 [ 105.975905][ T4894] __sys_sendto+0x388/0x4d0 [ 105.977121][ T4894] __arm64_sys_sendto+0xd8/0xf8 [ 105.978452][ T4894] invoke_syscall+0x98/0x2b8 [ 105.979687][ T4894] el0_svc_common+0x138/0x258 [ 105.980879][ T4894] do_el0_svc+0x58/0x14c [ 105.981944][ T4894] el0_svc+0x7c/0x1f0 [ 105.982989][ T4894] el0t_64_sync_handler+0x84/0xe4 [ 105.984349][ T4894] el0t_64_sync+0x1a0/0x1a4 [ 105.987923][ T4894] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 105.991174][ T4894] CPU: 0 PID: 4894 Comm: syz.0.35 Not tainted 5.15.178-syzkaller #0 [ 105.993289][ T4894] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 105.996065][ T4894] Call trace: [ 105.996922][ T4894] dump_backtrace+0x0/0x530 [ 105.998136][ T4894] show_stack+0x2c/0x3c [ 105.999236][ T4894] dump_stack_lvl+0x108/0x170 [ 106.000443][ T4894] dump_stack+0x1c/0x58 [ 106.001503][ T4894] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 106.002950][ T4894] dccp_xmit_packet+0x298/0x448 [ 106.004211][ T4894] dccp_write_xmit+0x128/0x208 [ 106.005445][ T4894] dccp_sendmsg+0x608/0xae0 [ 106.006630][ T4894] inet_sendmsg+0x15c/0x290 [ 106.007888][ T4894] __sys_sendto+0x388/0x4d0 [ 106.009116][ T4894] __arm64_sys_sendto+0xd8/0xf8 [ 106.010387][ T4894] invoke_syscall+0x98/0x2b8 [ 106.011650][ T4894] el0_svc_common+0x138/0x258 [ 106.012950][ T4894] do_el0_svc+0x58/0x14c [ 106.013732][ T1806] bond0 (unregistering): Released all slaves [ 106.014082][ T4894] el0_svc+0x7c/0x1f0 [ 106.016661][ T4894] el0t_64_sync_handler+0x84/0xe4 [ 106.017999][ T4894] el0t_64_sync+0x1a0/0x1a4 [ 106.043253][ T4896] dccp_xmit_packet: Payload too large (65475) for featneg. [ 106.058266][ T4896] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 106.062987][ T4896] CPU: 1 PID: 4896 Comm: syz.0.36 Not tainted 5.15.178-syzkaller #0 [ 106.065172][ T4896] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 106.067836][ T4896] Call trace: [ 106.068711][ T4896] dump_backtrace+0x0/0x530 [ 106.069876][ T4896] show_stack+0x2c/0x3c [ 106.071002][ T4896] dump_stack_lvl+0x108/0x170 [ 106.072228][ T4896] dump_stack+0x1c/0x58 [ 106.073389][ T4896] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 106.074773][ T4896] dccp_xmit_packet+0x298/0x448 [ 106.076162][ T4896] dccp_write_xmit+0x128/0x208 [ 106.077454][ T4896] dccp_sendmsg+0x608/0xae0 [ 106.078675][ T4896] inet_sendmsg+0x15c/0x290 [ 106.079847][ T4896] __sys_sendto+0x388/0x4d0 [ 106.081022][ T4896] __arm64_sys_sendto+0xd8/0xf8 [ 106.082372][ T4896] invoke_syscall+0x98/0x2b8 [ 106.083559][ T4896] el0_svc_common+0x138/0x258 [ 106.084839][ T4896] do_el0_svc+0x58/0x14c [ 106.085938][ T4896] el0_svc+0x7c/0x1f0 [ 106.087062][ T4896] el0t_64_sync_handler+0x84/0xe4 [ 106.088365][ T4896] el0t_64_sync+0x1a0/0x1a4 [ 106.090279][ T4896] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 106.093868][ T4896] CPU: 1 PID: 4896 Comm: syz.0.36 Not tainted 5.15.178-syzkaller #0 [ 106.095950][ T4896] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 106.098552][ T4896] Call trace: [ 106.099389][ T4896] dump_backtrace+0x0/0x530 [ 106.100558][ T4896] show_stack+0x2c/0x3c [ 106.101618][ T4896] dump_stack_lvl+0x108/0x170 [ 106.102804][ T4896] dump_stack+0x1c/0x58 [ 106.103871][ T4896] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 106.105289][ T4896] dccp_xmit_packet+0x298/0x448 [ 106.106642][ T4896] dccp_write_xmit+0x128/0x208 [ 106.107867][ T4896] dccp_sendmsg+0x608/0xae0 [ 106.109049][ T4896] inet_sendmsg+0x15c/0x290 [ 106.110271][ T4896] __sys_sendto+0x388/0x4d0 [ 106.111468][ T4896] __arm64_sys_sendto+0xd8/0xf8 [ 106.112734][ T4896] invoke_syscall+0x98/0x2b8 [ 106.113925][ T4896] el0_svc_common+0x138/0x258 [ 106.115192][ T4896] do_el0_svc+0x58/0x14c [ 106.116336][ T4896] el0_svc+0x7c/0x1f0 [ 106.117370][ T4896] el0t_64_sync_handler+0x84/0xe4 [ 106.118712][ T4896] el0t_64_sync+0x1a0/0x1a4 [ 106.122318][ T4896] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 106.125246][ T4896] CPU: 1 PID: 4896 Comm: syz.0.36 Not tainted 5.15.178-syzkaller #0 [ 106.127224][ T4896] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 106.129809][ T4896] Call trace: [ 106.130639][ T4896] dump_backtrace+0x0/0x530 [ 106.131799][ T4896] show_stack+0x2c/0x3c [ 106.132894][ T4896] dump_stack_lvl+0x108/0x170 [ 106.134230][ T4896] dump_stack+0x1c/0x58 [ 106.135379][ T4896] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 106.136868][ T4896] dccp_xmit_packet+0x298/0x448 [ 106.138223][ T4896] dccp_write_xmit+0x128/0x208 [ 106.139518][ T4896] dccp_sendmsg+0x608/0xae0 [ 106.140776][ T4896] inet_sendmsg+0x15c/0x290 [ 106.141985][ T4896] __sys_sendto+0x388/0x4d0 [ 106.143239][ T4896] __arm64_sys_sendto+0xd8/0xf8 [ 106.144558][ T4896] invoke_syscall+0x98/0x2b8 [ 106.145800][ T4896] el0_svc_common+0x138/0x258 [ 106.147097][ T4896] do_el0_svc+0x58/0x14c [ 106.148194][ T4896] el0_svc+0x7c/0x1f0 [ 106.149226][ T4896] el0t_64_sync_handler+0x84/0xe4 [ 106.150562][ T4896] el0t_64_sync+0x1a0/0x1a4 [ 106.156754][ T4896] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 106.159766][ T4896] CPU: 1 PID: 4896 Comm: syz.0.36 Not tainted 5.15.178-syzkaller #0 [ 106.161952][ T4896] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 106.164835][ T4896] Call trace: [ 106.165724][ T4896] dump_backtrace+0x0/0x530 [ 106.167026][ T4896] show_stack+0x2c/0x3c [ 106.168174][ T4896] dump_stack_lvl+0x108/0x170 [ 106.169436][ T4896] dump_stack+0x1c/0x58 [ 106.170540][ T4896] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 106.172025][ T4896] dccp_xmit_packet+0x298/0x448 [ 106.173344][ T4896] dccp_write_xmit+0x128/0x208 [ 106.174630][ T4896] dccp_sendmsg+0x608/0xae0 [ 106.175820][ T4896] inet_sendmsg+0x15c/0x290 [ 106.177055][ T4896] __sys_sendto+0x388/0x4d0 [ 106.178307][ T4896] __arm64_sys_sendto+0xd8/0xf8 [ 106.179661][ T4896] invoke_syscall+0x98/0x2b8 [ 106.180907][ T4896] el0_svc_common+0x138/0x258 [ 106.182196][ T4896] do_el0_svc+0x58/0x14c [ 106.183299][ T4896] el0_svc+0x7c/0x1f0 [ 106.184342][ T4896] el0t_64_sync_handler+0x84/0xe4 [ 106.185653][ T4896] el0t_64_sync+0x1a0/0x1a4 [ 106.187631][ T4896] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 106.190646][ T4896] CPU: 1 PID: 4896 Comm: syz.0.36 Not tainted 5.15.178-syzkaller #0 [ 106.192756][ T4896] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 106.195432][ T4896] Call trace: [ 106.196256][ T4896] dump_backtrace+0x0/0x530 [ 106.197452][ T4896] show_stack+0x2c/0x3c [ 106.198535][ T4896] dump_stack_lvl+0x108/0x170 [ 106.199735][ T4896] dump_stack+0x1c/0x58 [ 106.200843][ T4896] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 106.202265][ T4896] dccp_xmit_packet+0x298/0x448 [ 106.203534][ T4896] dccp_write_xmit+0x128/0x208 [ 106.204757][ T4896] dccp_sendmsg+0x608/0xae0 [ 106.205935][ T4896] inet_sendmsg+0x15c/0x290 [ 106.207186][ T4896] __sys_sendto+0x388/0x4d0 [ 106.208372][ T4896] __arm64_sys_sendto+0xd8/0xf8 [ 106.209646][ T4896] invoke_syscall+0x98/0x2b8 [ 106.210884][ T4896] el0_svc_common+0x138/0x258 [ 106.212126][ T4896] do_el0_svc+0x58/0x14c [ 106.213308][ T4896] el0_svc+0x7c/0x1f0 [ 106.214406][ T4896] el0t_64_sync_handler+0x84/0xe4 [ 106.215728][ T4896] el0t_64_sync+0x1a0/0x1a4 [ 106.217481][ T4896] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 106.220430][ T4896] CPU: 1 PID: 4896 Comm: syz.0.36 Not tainted 5.15.178-syzkaller #0 [ 106.222545][ T4896] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 106.225348][ T4896] Call trace: [ 106.226217][ T4896] dump_backtrace+0x0/0x530 [ 106.227370][ T4896] show_stack+0x2c/0x3c [ 106.228438][ T4896] dump_stack_lvl+0x108/0x170 [ 106.229659][ T4896] dump_stack+0x1c/0x58 [ 106.230730][ T4896] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 106.232123][ T4896] dccp_xmit_packet+0x298/0x448 [ 106.233452][ T4896] dccp_write_xmit+0x128/0x208 [ 106.234687][ T4896] dccp_sendmsg+0x608/0xae0 [ 106.235867][ T4896] inet_sendmsg+0x15c/0x290 [ 106.237049][ T4896] __sys_sendto+0x388/0x4d0 [ 106.238191][ T4896] __arm64_sys_sendto+0xd8/0xf8 [ 106.239503][ T4896] invoke_syscall+0x98/0x2b8 [ 106.240747][ T4896] el0_svc_common+0x138/0x258 [ 106.241978][ T4896] do_el0_svc+0x58/0x14c [ 106.243145][ T4896] el0_svc+0x7c/0x1f0 [ 106.244259][ T4896] el0t_64_sync_handler+0x84/0xe4 [ 106.245612][ T4896] el0t_64_sync+0x1a0/0x1a4 [ 106.250463][ T4896] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 106.254504][ T4896] CPU: 1 PID: 4896 Comm: syz.0.36 Not tainted 5.15.178-syzkaller #0 [ 106.256707][ T4896] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 106.259305][ T4896] Call trace: [ 106.260156][ T4896] dump_backtrace+0x0/0x530 [ 106.261304][ T4896] show_stack+0x2c/0x3c [ 106.262483][ T4896] dump_stack_lvl+0x108/0x170 [ 106.263818][ T4896] dump_stack+0x1c/0x58 [ 106.264904][ T4896] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 106.266392][ T4896] dccp_xmit_packet+0x298/0x448 [ 106.267625][ T4896] dccp_write_xmit+0x128/0x208 [ 106.268936][ T4896] dccp_sendmsg+0x608/0xae0 [ 106.270168][ T4896] inet_sendmsg+0x15c/0x290 [ 106.271411][ T4896] __sys_sendto+0x388/0x4d0 [ 106.272593][ T4896] __arm64_sys_sendto+0xd8/0xf8 [ 106.273901][ T4896] invoke_syscall+0x98/0x2b8 [ 106.275191][ T4896] el0_svc_common+0x138/0x258 [ 106.276404][ T4896] do_el0_svc+0x58/0x14c [ 106.277574][ T4896] el0_svc+0x7c/0x1f0 [ 106.278614][ T4896] el0t_64_sync_handler+0x84/0xe4 [ 106.279946][ T4896] el0t_64_sync+0x1a0/0x1a4 [ 106.281818][ T4896] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 106.284692][ T4896] CPU: 1 PID: 4896 Comm: syz.0.36 Not tainted 5.15.178-syzkaller #0 [ 106.286842][ T4896] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 106.289507][ T4896] Call trace: [ 106.290336][ T4896] dump_backtrace+0x0/0x530 [ 106.291572][ T4896] show_stack+0x2c/0x3c [ 106.292765][ T4896] dump_stack_lvl+0x108/0x170 [ 106.294003][ T4896] dump_stack+0x1c/0x58 [ 106.295144][ T4896] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 106.296631][ T4896] dccp_xmit_packet+0x298/0x448 [ 106.297973][ T4896] dccp_write_xmit+0x128/0x208 [ 106.299257][ T4896] dccp_sendmsg+0x608/0xae0 [ 106.300420][ T4896] inet_sendmsg+0x15c/0x290 [ 106.301589][ T4896] __sys_sendto+0x388/0x4d0 [ 106.302817][ T4896] __arm64_sys_sendto+0xd8/0xf8 [ 106.304081][ T4896] invoke_syscall+0x98/0x2b8 [ 106.305287][ T4896] el0_svc_common+0x138/0x258 [ 106.306556][ T4896] do_el0_svc+0x58/0x14c [ 106.307698][ T4896] el0_svc+0x7c/0x1f0 [ 106.308770][ T4896] el0t_64_sync_handler+0x84/0xe4 [ 106.310116][ T4896] el0t_64_sync+0x1a0/0x1a4 [ 106.332653][ T4898] dccp_xmit_packet: Payload too large (65475) for featneg. 1970/01/01 00:01:46 executed programs: 23 [ 106.366812][ T4900] dccp_xmit_packet: Payload too large (65475) for featneg. [ 106.383169][ T4900] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 106.386160][ T4900] CPU: 1 PID: 4900 Comm: syz.0.38 Not tainted 5.15.178-syzkaller #0 [ 106.388246][ T4900] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 106.390879][ T4900] Call trace: [ 106.391734][ T4900] dump_backtrace+0x0/0x530 [ 106.392891][ T4900] show_stack+0x2c/0x3c [ 106.393984][ T4900] dump_stack_lvl+0x108/0x170 [ 106.395245][ T4900] dump_stack+0x1c/0x58 [ 106.396406][ T4900] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 106.397815][ T4900] dccp_xmit_packet+0x298/0x448 [ 106.399186][ T4900] dccp_write_xmit+0x128/0x208 [ 106.400450][ T4900] dccp_sendmsg+0x608/0xae0 [ 106.401665][ T4900] inet_sendmsg+0x15c/0x290 [ 106.402848][ T4900] __sys_sendto+0x388/0x4d0 [ 106.404033][ T4900] __arm64_sys_sendto+0xd8/0xf8 [ 106.405374][ T4900] invoke_syscall+0x98/0x2b8 [ 106.406622][ T4900] el0_svc_common+0x138/0x258 [ 106.407894][ T4900] do_el0_svc+0x58/0x14c [ 106.409042][ T4900] el0_svc+0x7c/0x1f0 [ 106.410144][ T4900] el0t_64_sync_handler+0x84/0xe4 [ 106.411491][ T4900] el0t_64_sync+0x1a0/0x1a4 [ 106.413318][ T4900] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 106.416536][ T4900] CPU: 1 PID: 4900 Comm: syz.0.38 Not tainted 5.15.178-syzkaller #0 [ 106.418621][ T4900] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 106.421229][ T4900] Call trace: [ 106.422131][ T4900] dump_backtrace+0x0/0x530 [ 106.423386][ T4900] show_stack+0x2c/0x3c [ 106.424488][ T4900] dump_stack_lvl+0x108/0x170 [ 106.425712][ T4900] dump_stack+0x1c/0x58 [ 106.426782][ T4900] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 106.428224][ T4900] dccp_xmit_packet+0x298/0x448 [ 106.429563][ T4900] dccp_write_xmit+0x128/0x208 [ 106.430780][ T4900] dccp_sendmsg+0x608/0xae0 [ 106.431989][ T4900] inet_sendmsg+0x15c/0x290 [ 106.433167][ T4900] __sys_sendto+0x388/0x4d0 [ 106.434361][ T4900] __arm64_sys_sendto+0xd8/0xf8 [ 106.435655][ T4900] invoke_syscall+0x98/0x2b8 [ 106.436926][ T4900] el0_svc_common+0x138/0x258 [ 106.438211][ T4900] do_el0_svc+0x58/0x14c [ 106.439364][ T4900] el0_svc+0x7c/0x1f0 [ 106.440524][ T4900] el0t_64_sync_handler+0x84/0xe4 [ 106.441928][ T4900] el0t_64_sync+0x1a0/0x1a4 [ 106.443595][ T4900] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 106.446747][ T4900] CPU: 1 PID: 4900 Comm: syz.0.38 Not tainted 5.15.178-syzkaller #0 [ 106.448941][ T4900] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 106.451685][ T4900] Call trace: [ 106.452632][ T4900] dump_backtrace+0x0/0x530 [ 106.453857][ T4900] show_stack+0x2c/0x3c [ 106.454983][ T4900] dump_stack_lvl+0x108/0x170 [ 106.456273][ T4900] dump_stack+0x1c/0x58 [ 106.457501][ T4900] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 106.459044][ T4900] dccp_xmit_packet+0x298/0x448 [ 106.460337][ T4900] dccp_write_xmit+0x128/0x208 [ 106.461671][ T4900] dccp_sendmsg+0x608/0xae0 [ 106.462907][ T4900] inet_sendmsg+0x15c/0x290 [ 106.464109][ T4900] __sys_sendto+0x388/0x4d0 [ 106.465360][ T4900] __arm64_sys_sendto+0xd8/0xf8 [ 106.466683][ T4900] invoke_syscall+0x98/0x2b8 [ 106.467943][ T4900] el0_svc_common+0x138/0x258 [ 106.469194][ T4900] do_el0_svc+0x58/0x14c [ 106.470396][ T4900] el0_svc+0x7c/0x1f0 [ 106.471420][ T4900] el0t_64_sync_handler+0x84/0xe4 [ 106.472762][ T4900] el0t_64_sync+0x1a0/0x1a4 [ 106.474479][ T4900] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 106.477586][ T4900] CPU: 1 PID: 4900 Comm: syz.0.38 Not tainted 5.15.178-syzkaller #0 [ 106.479853][ T4900] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 106.482564][ T4900] Call trace: [ 106.483498][ T4900] dump_backtrace+0x0/0x530 [ 106.484787][ T4900] show_stack+0x2c/0x3c [ 106.485898][ T4900] dump_stack_lvl+0x108/0x170 [ 106.487138][ T4900] dump_stack+0x1c/0x58 [ 106.488277][ T4900] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 106.489736][ T4900] dccp_xmit_packet+0x298/0x448 [ 106.491015][ T4900] dccp_write_xmit+0x128/0x208 [ 106.492310][ T4900] dccp_sendmsg+0x608/0xae0 [ 106.493517][ T4900] inet_sendmsg+0x15c/0x290 [ 106.494820][ T4900] __sys_sendto+0x388/0x4d0 [ 106.496095][ T4900] __arm64_sys_sendto+0xd8/0xf8 [ 106.497406][ T4900] invoke_syscall+0x98/0x2b8 [ 106.498622][ T4900] el0_svc_common+0x138/0x258 [ 106.499898][ T4900] do_el0_svc+0x58/0x14c [ 106.501071][ T4900] el0_svc+0x7c/0x1f0 [ 106.502148][ T4900] el0t_64_sync_handler+0x84/0xe4 [ 106.503523][ T4900] el0t_64_sync+0x1a0/0x1a4 [ 106.508552][ T4900] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 106.511753][ T4900] CPU: 1 PID: 4900 Comm: syz.0.38 Not tainted 5.15.178-syzkaller #0 [ 106.513855][ T4900] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 106.516563][ T4900] Call trace: [ 106.517405][ T4900] dump_backtrace+0x0/0x530 [ 106.518588][ T4900] show_stack+0x2c/0x3c [ 106.519672][ T4900] dump_stack_lvl+0x108/0x170 [ 106.520982][ T4900] dump_stack+0x1c/0x58 [ 106.522119][ T4900] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 106.523568][ T4900] dccp_xmit_packet+0x298/0x448 [ 106.524884][ T4900] dccp_write_xmit+0x128/0x208 [ 106.526159][ T4900] dccp_sendmsg+0x608/0xae0 [ 106.527411][ T4900] inet_sendmsg+0x15c/0x290 [ 106.528650][ T4900] __sys_sendto+0x388/0x4d0 [ 106.529826][ T4900] __arm64_sys_sendto+0xd8/0xf8 [ 106.531175][ T4900] invoke_syscall+0x98/0x2b8 [ 106.532410][ T4900] el0_svc_common+0x138/0x258 [ 106.533697][ T4900] do_el0_svc+0x58/0x14c [ 106.534924][ T4900] el0_svc+0x7c/0x1f0 [ 106.536008][ T4900] el0t_64_sync_handler+0x84/0xe4 [ 106.537329][ T4900] el0t_64_sync+0x1a0/0x1a4 [ 106.539557][ T4900] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 106.546204][ T4900] CPU: 1 PID: 4900 Comm: syz.0.38 Not tainted 5.15.178-syzkaller #0 [ 106.548456][ T4900] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 106.551282][ T4900] Call trace: [ 106.552163][ T4900] dump_backtrace+0x0/0x530 [ 106.553369][ T4900] show_stack+0x2c/0x3c [ 106.554485][ T4900] dump_stack_lvl+0x108/0x170 [ 106.555735][ T4900] dump_stack+0x1c/0x58 [ 106.556844][ T4900] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 106.558351][ T4900] dccp_xmit_packet+0x298/0x448 [ 106.559678][ T4900] dccp_write_xmit+0x128/0x208 [ 106.560977][ T4900] dccp_sendmsg+0x608/0xae0 [ 106.562191][ T4900] inet_sendmsg+0x15c/0x290 [ 106.563344][ T4900] __sys_sendto+0x388/0x4d0 [ 106.564535][ T4900] __arm64_sys_sendto+0xd8/0xf8 [ 106.565854][ T4900] invoke_syscall+0x98/0x2b8 [ 106.567132][ T4900] el0_svc_common+0x138/0x258 [ 106.568384][ T4900] do_el0_svc+0x58/0x14c [ 106.569593][ T4900] el0_svc+0x7c/0x1f0 [ 106.570659][ T4900] el0t_64_sync_handler+0x84/0xe4 [ 106.572115][ T4900] el0t_64_sync+0x1a0/0x1a4 [ 106.574166][ T4900] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 106.577132][ T4900] CPU: 1 PID: 4900 Comm: syz.0.38 Not tainted 5.15.178-syzkaller #0 [ 106.579279][ T4900] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 106.582136][ T4900] Call trace: [ 106.583067][ T4900] dump_backtrace+0x0/0x530 [ 106.584340][ T4900] show_stack+0x2c/0x3c [ 106.585489][ T4900] dump_stack_lvl+0x108/0x170 [ 106.586736][ T4900] dump_stack+0x1c/0x58 [ 106.587842][ T4900] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 106.589316][ T4900] dccp_xmit_packet+0x298/0x448 [ 106.590589][ T4900] dccp_write_xmit+0x128/0x208 [ 106.591846][ T4900] dccp_sendmsg+0x608/0xae0 [ 106.593116][ T4900] inet_sendmsg+0x15c/0x290 [ 106.594322][ T4900] __sys_sendto+0x388/0x4d0 [ 106.595512][ T4900] __arm64_sys_sendto+0xd8/0xf8 [ 106.596809][ T4900] invoke_syscall+0x98/0x2b8 [ 106.598046][ T4900] el0_svc_common+0x138/0x258 [ 106.599344][ T4900] do_el0_svc+0x58/0x14c [ 106.600470][ T4900] el0_svc+0x7c/0x1f0 [ 106.601522][ T4900] el0t_64_sync_handler+0x84/0xe4 [ 106.602931][ T4900] el0t_64_sync+0x1a0/0x1a4 [ 106.604478][ T4900] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 106.607500][ T4900] CPU: 1 PID: 4900 Comm: syz.0.38 Not tainted 5.15.178-syzkaller #0 [ 106.609563][ T4900] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 106.612224][ T4900] Call trace: [ 106.613101][ T4900] dump_backtrace+0x0/0x530 [ 106.614331][ T4900] show_stack+0x2c/0x3c [ 106.615436][ T4900] dump_stack_lvl+0x108/0x170 [ 106.616668][ T4900] dump_stack+0x1c/0x58 [ 106.617778][ T4900] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 106.619232][ T4900] dccp_xmit_packet+0x298/0x448 [ 106.620501][ T4900] dccp_write_xmit+0x128/0x208 [ 106.621795][ T4900] dccp_sendmsg+0x608/0xae0 [ 106.623017][ T4900] inet_sendmsg+0x15c/0x290 [ 106.624293][ T4900] __sys_sendto+0x388/0x4d0 [ 106.625569][ T4900] __arm64_sys_sendto+0xd8/0xf8 [ 106.626922][ T4900] invoke_syscall+0x98/0x2b8 [ 106.628213][ T4900] el0_svc_common+0x138/0x258 [ 106.629481][ T4900] do_el0_svc+0x58/0x14c [ 106.630648][ T4900] el0_svc+0x7c/0x1f0 [ 106.631750][ T4900] el0t_64_sync_handler+0x84/0xe4 [ 106.633117][ T4900] el0t_64_sync+0x1a0/0x1a4 [ 106.636308][ T4900] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 106.639236][ T4900] CPU: 1 PID: 4900 Comm: syz.0.38 Not tainted 5.15.178-syzkaller #0 [ 106.641321][ T4900] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 106.644010][ T4900] Call trace: [ 106.644895][ T4900] dump_backtrace+0x0/0x530 [ 106.646181][ T4900] show_stack+0x2c/0x3c [ 106.647302][ T4900] dump_stack_lvl+0x108/0x170 [ 106.648568][ T4900] dump_stack+0x1c/0x58 [ 106.649669][ T4900] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 106.651194][ T4900] dccp_xmit_packet+0x298/0x448 [ 106.652523][ T4900] dccp_write_xmit+0x128/0x208 [ 106.653832][ T4900] dccp_sendmsg+0x608/0xae0 [ 106.655025][ T4900] inet_sendmsg+0x15c/0x290 [ 106.656244][ T4900] __sys_sendto+0x388/0x4d0 [ 106.657475][ T4900] __arm64_sys_sendto+0xd8/0xf8 [ 106.658749][ T4900] invoke_syscall+0x98/0x2b8 [ 106.660042][ T4900] el0_svc_common+0x138/0x258 [ 106.661260][ T4900] do_el0_svc+0x58/0x14c [ 106.662423][ T4900] el0_svc+0x7c/0x1f0 [ 106.663462][ T4900] el0t_64_sync_handler+0x84/0xe4 [ 106.664816][ T4900] el0t_64_sync+0x1a0/0x1a4 [ 106.691746][ T4902] dccp_xmit_packet: Payload too large (65475) for featneg. [ 106.727593][ T4904] dccp_xmit_packet: Payload too large (65475) for featneg. [ 106.746246][ T4904] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 106.749391][ T4904] CPU: 0 PID: 4904 Comm: syz.0.40 Not tainted 5.15.178-syzkaller #0 [ 106.751473][ T4904] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 106.754085][ T4904] Call trace: [ 106.754892][ T4904] dump_backtrace+0x0/0x530 [ 106.756075][ T4904] show_stack+0x2c/0x3c [ 106.757144][ T4904] dump_stack_lvl+0x108/0x170 [ 106.758371][ T4904] dump_stack+0x1c/0x58 [ 106.759421][ T4904] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 106.760909][ T4904] dccp_xmit_packet+0x298/0x448 [ 106.762146][ T4904] dccp_write_xmit+0x128/0x208 [ 106.763457][ T4904] dccp_sendmsg+0x608/0xae0 [ 106.764592][ T4904] inet_sendmsg+0x15c/0x290 [ 106.765807][ T4904] __sys_sendto+0x388/0x4d0 [ 106.766960][ T4904] __arm64_sys_sendto+0xd8/0xf8 [ 106.768271][ T4904] invoke_syscall+0x98/0x2b8 [ 106.769555][ T4904] el0_svc_common+0x138/0x258 [ 106.770869][ T4904] do_el0_svc+0x58/0x14c [ 106.771946][ T4904] el0_svc+0x7c/0x1f0 [ 106.773014][ T4904] el0t_64_sync_handler+0x84/0xe4 [ 106.774394][ T4904] el0t_64_sync+0x1a0/0x1a4 [ 106.778005][ T4904] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 106.781204][ T4904] CPU: 0 PID: 4904 Comm: syz.0.40 Not tainted 5.15.178-syzkaller #0 [ 106.783354][ T4904] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 106.786095][ T4904] Call trace: [ 106.786955][ T4904] dump_backtrace+0x0/0x530 [ 106.788122][ T4904] show_stack+0x2c/0x3c [ 106.789222][ T4904] dump_stack_lvl+0x108/0x170 [ 106.790411][ T4904] dump_stack+0x1c/0x58 [ 106.791489][ T4904] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 106.792945][ T4904] dccp_xmit_packet+0x298/0x448 [ 106.794254][ T4904] dccp_write_xmit+0x128/0x208 [ 106.795569][ T4904] dccp_sendmsg+0x608/0xae0 [ 106.796761][ T4904] inet_sendmsg+0x15c/0x290 [ 106.797996][ T4904] __sys_sendto+0x388/0x4d0 [ 106.799222][ T4904] __arm64_sys_sendto+0xd8/0xf8 [ 106.800494][ T4904] invoke_syscall+0x98/0x2b8 [ 106.801729][ T4904] el0_svc_common+0x138/0x258 [ 106.802961][ T4904] do_el0_svc+0x58/0x14c [ 106.804061][ T4904] el0_svc+0x7c/0x1f0 [ 106.805117][ T4904] el0t_64_sync_handler+0x84/0xe4 [ 106.806520][ T4904] el0t_64_sync+0x1a0/0x1a4 [ 106.811111][ T4904] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 106.814310][ T4904] CPU: 0 PID: 4904 Comm: syz.0.40 Not tainted 5.15.178-syzkaller #0 [ 106.816453][ T4904] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 106.819171][ T4904] Call trace: [ 106.820015][ T4904] dump_backtrace+0x0/0x530 [ 106.821236][ T4904] show_stack+0x2c/0x3c [ 106.822338][ T4904] dump_stack_lvl+0x108/0x170 [ 106.823563][ T4904] dump_stack+0x1c/0x58 [ 106.824665][ T4904] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 106.826126][ T4904] dccp_xmit_packet+0x298/0x448 [ 106.827364][ T4904] dccp_write_xmit+0x128/0x208 [ 106.828685][ T4904] dccp_sendmsg+0x608/0xae0 [ 106.829891][ T4904] inet_sendmsg+0x15c/0x290 [ 106.831174][ T4904] __sys_sendto+0x388/0x4d0 [ 106.832376][ T4904] __arm64_sys_sendto+0xd8/0xf8 [ 106.833731][ T4904] invoke_syscall+0x98/0x2b8 [ 106.835000][ T4904] el0_svc_common+0x138/0x258 [ 106.836188][ T4904] do_el0_svc+0x58/0x14c [ 106.837332][ T4904] el0_svc+0x7c/0x1f0 [ 106.838443][ T4904] el0t_64_sync_handler+0x84/0xe4 [ 106.839919][ T4904] el0t_64_sync+0x1a0/0x1a4 [ 106.843600][ T4904] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 106.846487][ T4904] CPU: 1 PID: 4904 Comm: syz.0.40 Not tainted 5.15.178-syzkaller #0 [ 106.848632][ T4904] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 106.851321][ T4904] Call trace: [ 106.852185][ T4904] dump_backtrace+0x0/0x530 [ 106.853408][ T4904] show_stack+0x2c/0x3c [ 106.854492][ T4904] dump_stack_lvl+0x108/0x170 [ 106.855786][ T4904] dump_stack+0x1c/0x58 [ 106.856925][ T4904] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 106.858365][ T4904] dccp_xmit_packet+0x298/0x448 [ 106.859721][ T4904] dccp_write_xmit+0x128/0x208 [ 106.861027][ T4904] dccp_sendmsg+0x608/0xae0 [ 106.862283][ T4904] inet_sendmsg+0x15c/0x290 [ 106.863502][ T4904] __sys_sendto+0x388/0x4d0 [ 106.864686][ T4904] __arm64_sys_sendto+0xd8/0xf8 [ 106.865972][ T4904] invoke_syscall+0x98/0x2b8 [ 106.867236][ T4904] el0_svc_common+0x138/0x258 [ 106.868477][ T4904] do_el0_svc+0x58/0x14c [ 106.869661][ T4904] el0_svc+0x7c/0x1f0 [ 106.870723][ T4904] el0t_64_sync_handler+0x84/0xe4 [ 106.872078][ T4904] el0t_64_sync+0x1a0/0x1a4 [ 106.876111][ T4904] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 106.879099][ T4904] CPU: 1 PID: 4904 Comm: syz.0.40 Not tainted 5.15.178-syzkaller #0 [ 106.881170][ T4904] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 106.883968][ T4904] Call trace: [ 106.884829][ T4904] dump_backtrace+0x0/0x530 [ 106.886039][ T4904] show_stack+0x2c/0x3c [ 106.887068][ T4904] dump_stack_lvl+0x108/0x170 [ 106.888303][ T4904] dump_stack+0x1c/0x58 [ 106.889404][ T4904] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 106.890772][ T4904] dccp_xmit_packet+0x298/0x448 [ 106.892065][ T4904] dccp_write_xmit+0x128/0x208 [ 106.893318][ T4904] dccp_sendmsg+0x608/0xae0 [ 106.894557][ T4904] inet_sendmsg+0x15c/0x290 [ 106.895770][ T4904] __sys_sendto+0x388/0x4d0 [ 106.897013][ T4904] __arm64_sys_sendto+0xd8/0xf8 [ 106.898314][ T4904] invoke_syscall+0x98/0x2b8 [ 106.899579][ T4904] el0_svc_common+0x138/0x258 [ 106.900831][ T4904] do_el0_svc+0x58/0x14c [ 106.901936][ T4904] el0_svc+0x7c/0x1f0 [ 106.902927][ T4904] el0t_64_sync_handler+0x84/0xe4 [ 106.904273][ T4904] el0t_64_sync+0x1a0/0x1a4 [ 106.908380][ T4904] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 106.911486][ T4904] CPU: 1 PID: 4904 Comm: syz.0.40 Not tainted 5.15.178-syzkaller #0 [ 106.913604][ T4904] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 106.916242][ T4904] Call trace: [ 106.917132][ T4904] dump_backtrace+0x0/0x530 [ 106.918314][ T4904] show_stack+0x2c/0x3c [ 106.919481][ T4904] dump_stack_lvl+0x108/0x170 [ 106.920695][ T4904] dump_stack+0x1c/0x58 [ 106.921767][ T4904] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 106.923313][ T4904] dccp_xmit_packet+0x298/0x448 [ 106.924573][ T4904] dccp_write_xmit+0x128/0x208 [ 106.925839][ T4904] dccp_sendmsg+0x608/0xae0 [ 106.927076][ T4904] inet_sendmsg+0x15c/0x290 [ 106.928258][ T4904] __sys_sendto+0x388/0x4d0 [ 106.929491][ T4904] __arm64_sys_sendto+0xd8/0xf8 [ 106.930809][ T4904] invoke_syscall+0x98/0x2b8 [ 106.932045][ T4904] el0_svc_common+0x138/0x258 [ 106.933310][ T4904] do_el0_svc+0x58/0x14c [ 106.934437][ T4904] el0_svc+0x7c/0x1f0 [ 106.935527][ T4904] el0t_64_sync_handler+0x84/0xe4 [ 106.936937][ T4904] el0t_64_sync+0x1a0/0x1a4 [ 106.941664][ T4904] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 106.944787][ T4904] CPU: 1 PID: 4904 Comm: syz.0.40 Not tainted 5.15.178-syzkaller #0 [ 106.946907][ T4904] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 106.949525][ T4904] Call trace: [ 106.950494][ T4904] dump_backtrace+0x0/0x530 [ 106.951708][ T4904] show_stack+0x2c/0x3c [ 106.952842][ T4904] dump_stack_lvl+0x108/0x170 [ 106.954096][ T4904] dump_stack+0x1c/0x58 [ 106.955286][ T4904] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 106.956815][ T4904] dccp_xmit_packet+0x298/0x448 [ 106.958156][ T4904] dccp_write_xmit+0x128/0x208 [ 106.959469][ T4904] dccp_sendmsg+0x608/0xae0 [ 106.960735][ T4904] inet_sendmsg+0x15c/0x290 [ 106.961972][ T4904] __sys_sendto+0x388/0x4d0 [ 106.963233][ T4904] __arm64_sys_sendto+0xd8/0xf8 [ 106.964533][ T4904] invoke_syscall+0x98/0x2b8 [ 106.965817][ T4904] el0_svc_common+0x138/0x258 [ 106.967062][ T4904] do_el0_svc+0x58/0x14c [ 106.968199][ T4904] el0_svc+0x7c/0x1f0 [ 106.969270][ T4904] el0t_64_sync_handler+0x84/0xe4 [ 106.970589][ T4904] el0t_64_sync+0x1a0/0x1a4 [ 106.974673][ T4904] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 106.977752][ T4904] CPU: 1 PID: 4904 Comm: syz.0.40 Not tainted 5.15.178-syzkaller #0 [ 106.979818][ T4904] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 106.982460][ T4904] Call trace: [ 106.983339][ T4904] dump_backtrace+0x0/0x530 [ 106.984510][ T4904] show_stack+0x2c/0x3c [ 106.985674][ T4904] dump_stack_lvl+0x108/0x170 [ 106.986930][ T4904] dump_stack+0x1c/0x58 [ 106.988063][ T4904] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 106.989530][ T4904] dccp_xmit_packet+0x298/0x448 [ 106.990915][ T4904] dccp_write_xmit+0x128/0x208 [ 106.992256][ T4904] dccp_sendmsg+0x608/0xae0 [ 106.993475][ T4904] inet_sendmsg+0x15c/0x290 [ 106.994630][ T4904] __sys_sendto+0x388/0x4d0 [ 106.995851][ T4904] __arm64_sys_sendto+0xd8/0xf8 [ 106.997125][ T4904] invoke_syscall+0x98/0x2b8 [ 106.998394][ T4904] el0_svc_common+0x138/0x258 [ 106.999636][ T4904] do_el0_svc+0x58/0x14c [ 107.000796][ T4904] el0_svc+0x7c/0x1f0 [ 107.001939][ T4904] el0t_64_sync_handler+0x84/0xe4 [ 107.003290][ T4904] el0t_64_sync+0x1a0/0x1a4 [ 107.007349][ T4904] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 107.010347][ T4904] CPU: 1 PID: 4904 Comm: syz.0.40 Not tainted 5.15.178-syzkaller #0 [ 107.012562][ T4904] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 107.015201][ T4904] Call trace: [ 107.016060][ T4904] dump_backtrace+0x0/0x530 [ 107.017294][ T4904] show_stack+0x2c/0x3c [ 107.018442][ T4904] dump_stack_lvl+0x108/0x170 [ 107.019675][ T4904] dump_stack+0x1c/0x58 [ 107.020819][ T4904] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 107.022588][ T4904] dccp_xmit_packet+0x298/0x448 [ 107.023853][ T4904] dccp_write_xmit+0x128/0x208 [ 107.025150][ T4904] dccp_sendmsg+0x608/0xae0 [ 107.026338][ T4904] inet_sendmsg+0x15c/0x290 [ 107.027499][ T4904] __sys_sendto+0x388/0x4d0 [ 107.028643][ T4904] __arm64_sys_sendto+0xd8/0xf8 [ 107.029935][ T4904] invoke_syscall+0x98/0x2b8 [ 107.031179][ T4904] el0_svc_common+0x138/0x258 [ 107.032390][ T4904] do_el0_svc+0x58/0x14c [ 107.033504][ T4904] el0_svc+0x7c/0x1f0 [ 107.034569][ T4904] el0t_64_sync_handler+0x84/0xe4 [ 107.035925][ T4904] el0t_64_sync+0x1a0/0x1a4 [ 107.039149][ T4904] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 107.042233][ T4904] CPU: 1 PID: 4904 Comm: syz.0.40 Not tainted 5.15.178-syzkaller #0 [ 107.044368][ T4904] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 107.047012][ T4904] Call trace: [ 107.047891][ T4904] dump_backtrace+0x0/0x530 [ 107.049040][ T4904] show_stack+0x2c/0x3c [ 107.050139][ T4904] dump_stack_lvl+0x108/0x170 [ 107.051387][ T4904] dump_stack+0x1c/0x58 [ 107.052519][ T4904] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 107.053976][ T4904] dccp_xmit_packet+0x298/0x448 [ 107.055302][ T4904] dccp_write_xmit+0x128/0x208 [ 107.056587][ T4904] dccp_sendmsg+0x608/0xae0 [ 107.057818][ T4904] inet_sendmsg+0x15c/0x290 [ 107.058985][ T4904] __sys_sendto+0x388/0x4d0 [ 107.060212][ T4904] __arm64_sys_sendto+0xd8/0xf8 [ 107.061451][ T4904] invoke_syscall+0x98/0x2b8 [ 107.062657][ T4904] el0_svc_common+0x138/0x258 [ 107.063905][ T4904] do_el0_svc+0x58/0x14c [ 107.065029][ T4904] el0_svc+0x7c/0x1f0 [ 107.066141][ T4904] el0t_64_sync_handler+0x84/0xe4 [ 107.067473][ T4904] el0t_64_sync+0x1a0/0x1a4 [ 107.088690][ T4906] dccp_xmit_packet: Payload too large (65475) for featneg. [ 107.106459][ T4906] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 107.109472][ T4906] CPU: 0 PID: 4906 Comm: syz.0.41 Not tainted 5.15.178-syzkaller #0 [ 107.111575][ T4906] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 107.114313][ T4906] Call trace: [ 107.115174][ T4906] dump_backtrace+0x0/0x530 [ 107.116375][ T4906] show_stack+0x2c/0x3c [ 107.117488][ T4906] dump_stack_lvl+0x108/0x170 [ 107.118712][ T4906] dump_stack+0x1c/0x58 [ 107.119817][ T4906] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 107.121231][ T4906] dccp_xmit_packet+0x298/0x448 [ 107.122517][ T4906] dccp_write_xmit+0x128/0x208 [ 107.123785][ T4906] dccp_sendmsg+0x608/0xae0 [ 107.125017][ T4906] inet_sendmsg+0x15c/0x290 [ 107.126215][ T4906] __sys_sendto+0x388/0x4d0 [ 107.127408][ T4906] __arm64_sys_sendto+0xd8/0xf8 [ 107.128696][ T4906] invoke_syscall+0x98/0x2b8 [ 107.129921][ T4906] el0_svc_common+0x138/0x258 [ 107.131200][ T4906] do_el0_svc+0x58/0x14c [ 107.132357][ T4906] el0_svc+0x7c/0x1f0 [ 107.133422][ T4906] el0t_64_sync_handler+0x84/0xe4 [ 107.134804][ T4906] el0t_64_sync+0x1a0/0x1a4 [ 107.136558][ T4906] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 107.139478][ T4906] CPU: 0 PID: 4906 Comm: syz.0.41 Not tainted 5.15.178-syzkaller #0 [ 107.141634][ T4906] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 107.144351][ T4906] Call trace: [ 107.145209][ T4906] dump_backtrace+0x0/0x530 [ 107.146423][ T4906] show_stack+0x2c/0x3c [ 107.147514][ T4906] dump_stack_lvl+0x108/0x170 [ 107.148752][ T4906] dump_stack+0x1c/0x58 [ 107.149889][ T4906] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 107.151374][ T4906] dccp_xmit_packet+0x298/0x448 [ 107.152682][ T4906] dccp_write_xmit+0x128/0x208 [ 107.154032][ T4906] dccp_sendmsg+0x608/0xae0 [ 107.155222][ T4906] inet_sendmsg+0x15c/0x290 [ 107.156413][ T4906] __sys_sendto+0x388/0x4d0 [ 107.157585][ T4906] __arm64_sys_sendto+0xd8/0xf8 [ 107.158838][ T4906] invoke_syscall+0x98/0x2b8 [ 107.160130][ T4906] el0_svc_common+0x138/0x258 [ 107.161351][ T4906] do_el0_svc+0x58/0x14c [ 107.162511][ T4906] el0_svc+0x7c/0x1f0 [ 107.163565][ T4906] el0t_64_sync_handler+0x84/0xe4 [ 107.164976][ T4906] el0t_64_sync+0x1a0/0x1a4 [ 107.167290][ T4906] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 107.170385][ T4906] CPU: 0 PID: 4906 Comm: syz.0.41 Not tainted 5.15.178-syzkaller #0 [ 107.172586][ T4906] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 107.175428][ T4906] Call trace: [ 107.176334][ T4906] dump_backtrace+0x0/0x530 [ 107.177554][ T4906] show_stack+0x2c/0x3c [ 107.178650][ T4906] dump_stack_lvl+0x108/0x170 [ 107.179888][ T4906] dump_stack+0x1c/0x58 [ 107.181043][ T4906] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 107.182491][ T4906] dccp_xmit_packet+0x298/0x448 [ 107.183766][ T4906] dccp_write_xmit+0x128/0x208 [ 107.185075][ T4906] dccp_sendmsg+0x608/0xae0 [ 107.186265][ T4906] inet_sendmsg+0x15c/0x290 [ 107.187466][ T4906] __sys_sendto+0x388/0x4d0 [ 107.188665][ T4906] __arm64_sys_sendto+0xd8/0xf8 [ 107.189957][ T4906] invoke_syscall+0x98/0x2b8 [ 107.191207][ T4906] el0_svc_common+0x138/0x258 [ 107.192495][ T4906] do_el0_svc+0x58/0x14c [ 107.193656][ T4906] el0_svc+0x7c/0x1f0 [ 107.194709][ T4906] el0t_64_sync_handler+0x84/0xe4 [ 107.196037][ T4906] el0t_64_sync+0x1a0/0x1a4 [ 107.198733][ T4906] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 107.201824][ T4906] CPU: 0 PID: 4906 Comm: syz.0.41 Not tainted 5.15.178-syzkaller #0 [ 107.203906][ T4906] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 107.206627][ T4906] Call trace: [ 107.207465][ T4906] dump_backtrace+0x0/0x530 [ 107.208644][ T4906] show_stack+0x2c/0x3c [ 107.209750][ T4906] dump_stack_lvl+0x108/0x170 [ 107.211039][ T4906] dump_stack+0x1c/0x58 [ 107.212232][ T4906] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 107.213662][ T4906] dccp_xmit_packet+0x298/0x448 [ 107.214986][ T4906] dccp_write_xmit+0x128/0x208 [ 107.216278][ T4906] dccp_sendmsg+0x608/0xae0 [ 107.217482][ T4906] inet_sendmsg+0x15c/0x290 [ 107.218684][ T4906] __sys_sendto+0x388/0x4d0 [ 107.219889][ T4906] __arm64_sys_sendto+0xd8/0xf8 [ 107.221203][ T4906] invoke_syscall+0x98/0x2b8 [ 107.222430][ T4906] el0_svc_common+0x138/0x258 [ 107.223752][ T4906] do_el0_svc+0x58/0x14c [ 107.224868][ T4906] el0_svc+0x7c/0x1f0 [ 107.225915][ T4906] el0t_64_sync_handler+0x84/0xe4 [ 107.227236][ T4906] el0t_64_sync+0x1a0/0x1a4 [ 107.229158][ T4906] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 107.232216][ T4906] CPU: 0 PID: 4906 Comm: syz.0.41 Not tainted 5.15.178-syzkaller #0 [ 107.234368][ T4906] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 107.236959][ T4906] Call trace: [ 107.237799][ T4906] dump_backtrace+0x0/0x530 [ 107.238928][ T4906] show_stack+0x2c/0x3c [ 107.240026][ T4906] dump_stack_lvl+0x108/0x170 [ 107.241227][ T4906] dump_stack+0x1c/0x58 [ 107.242403][ T4906] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 107.243908][ T4906] dccp_xmit_packet+0x298/0x448 [ 107.245209][ T4906] dccp_write_xmit+0x128/0x208 [ 107.246525][ T4906] dccp_sendmsg+0x608/0xae0 [ 107.247797][ T4906] inet_sendmsg+0x15c/0x290 [ 107.248983][ T4906] __sys_sendto+0x388/0x4d0 [ 107.250272][ T4906] __arm64_sys_sendto+0xd8/0xf8 [ 107.251585][ T4906] invoke_syscall+0x98/0x2b8 [ 107.252934][ T4906] el0_svc_common+0x138/0x258 [ 107.254221][ T4906] do_el0_svc+0x58/0x14c [ 107.255327][ T4906] el0_svc+0x7c/0x1f0 [ 107.256379][ T4906] el0t_64_sync_handler+0x84/0xe4 [ 107.257708][ T4906] el0t_64_sync+0x1a0/0x1a4 [ 107.259306][ T4906] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 107.262479][ T4906] CPU: 0 PID: 4906 Comm: syz.0.41 Not tainted 5.15.178-syzkaller #0 [ 107.264556][ T4906] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 107.267276][ T4906] Call trace: [ 107.268108][ T4906] dump_backtrace+0x0/0x530 [ 107.269277][ T4906] show_stack+0x2c/0x3c [ 107.270338][ T4906] dump_stack_lvl+0x108/0x170 [ 107.271559][ T4906] dump_stack+0x1c/0x58 [ 107.272624][ T4906] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 107.274100][ T4906] dccp_xmit_packet+0x298/0x448 [ 107.275387][ T4906] dccp_write_xmit+0x128/0x208 [ 107.276709][ T4906] dccp_sendmsg+0x608/0xae0 [ 107.277876][ T4906] inet_sendmsg+0x15c/0x290 [ 107.279044][ T4906] __sys_sendto+0x388/0x4d0 [ 107.280288][ T4906] __arm64_sys_sendto+0xd8/0xf8 [ 107.281556][ T4906] invoke_syscall+0x98/0x2b8 [ 107.282795][ T4906] el0_svc_common+0x138/0x258 [ 107.284046][ T4906] do_el0_svc+0x58/0x14c [ 107.285218][ T4906] el0_svc+0x7c/0x1f0 [ 107.286255][ T4906] el0t_64_sync_handler+0x84/0xe4 [ 107.287643][ T4906] el0t_64_sync+0x1a0/0x1a4 [ 107.289824][ T4906] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 107.293187][ T4906] CPU: 0 PID: 4906 Comm: syz.0.41 Not tainted 5.15.178-syzkaller #0 [ 107.295333][ T4906] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 107.297958][ T4906] Call trace: [ 107.298805][ T4906] dump_backtrace+0x0/0x530 [ 107.300007][ T4906] show_stack+0x2c/0x3c [ 107.301173][ T4906] dump_stack_lvl+0x108/0x170 [ 107.302424][ T4906] dump_stack+0x1c/0x58 [ 107.303533][ T4906] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 107.305036][ T4906] dccp_xmit_packet+0x298/0x448 [ 107.306314][ T4906] dccp_write_xmit+0x128/0x208 [ 107.307565][ T4906] dccp_sendmsg+0x608/0xae0 [ 107.308815][ T4906] inet_sendmsg+0x15c/0x290 [ 107.310003][ T4906] __sys_sendto+0x388/0x4d0 [ 107.311243][ T4906] __arm64_sys_sendto+0xd8/0xf8 [ 107.312604][ T4906] invoke_syscall+0x98/0x2b8 [ 107.313854][ T4906] el0_svc_common+0x138/0x258 [ 107.315113][ T4906] do_el0_svc+0x58/0x14c [ 107.316264][ T4906] el0_svc+0x7c/0x1f0 [ 107.317375][ T4906] el0t_64_sync_handler+0x84/0xe4 [ 107.318770][ T4906] el0t_64_sync+0x1a0/0x1a4 [ 107.320391][ T4906] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 107.324274][ T4906] CPU: 0 PID: 4906 Comm: syz.0.41 Not tainted 5.15.178-syzkaller #0 [ 107.326450][ T4906] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 107.329116][ T4906] Call trace: [ 107.329930][ T4906] dump_backtrace+0x0/0x530 [ 107.331151][ T4906] show_stack+0x2c/0x3c [ 107.332228][ T4906] dump_stack_lvl+0x108/0x170 [ 107.333495][ T4906] dump_stack+0x1c/0x58 [ 107.334628][ T4906] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 107.336126][ T4906] dccp_xmit_packet+0x298/0x448 [ 107.337383][ T4906] dccp_write_xmit+0x128/0x208 [ 107.338617][ T4906] dccp_sendmsg+0x608/0xae0 [ 107.339794][ T4906] inet_sendmsg+0x15c/0x290 [ 107.341016][ T4906] __sys_sendto+0x388/0x4d0 [ 107.342217][ T4906] __arm64_sys_sendto+0xd8/0xf8 [ 107.343477][ T4906] invoke_syscall+0x98/0x2b8 [ 107.344785][ T4906] el0_svc_common+0x138/0x258 [ 107.346114][ T4906] do_el0_svc+0x58/0x14c [ 107.347206][ T4906] el0_svc+0x7c/0x1f0 [ 107.348302][ T4906] el0t_64_sync_handler+0x84/0xe4 [ 107.349638][ T4906] el0t_64_sync+0x1a0/0x1a4 [ 107.351212][ T4906] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 107.354274][ T4906] CPU: 0 PID: 4906 Comm: syz.0.41 Not tainted 5.15.178-syzkaller #0 [ 107.356403][ T4906] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 107.359136][ T4906] Call trace: [ 107.359942][ T4906] dump_backtrace+0x0/0x530 [ 107.361171][ T4906] show_stack+0x2c/0x3c [ 107.362352][ T4906] dump_stack_lvl+0x108/0x170 [ 107.363577][ T4906] dump_stack+0x1c/0x58 [ 107.364749][ T4906] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 107.366256][ T4906] dccp_xmit_packet+0x298/0x448 [ 107.367584][ T4906] dccp_write_xmit+0x128/0x208 [ 107.368856][ T4906] dccp_sendmsg+0x608/0xae0 [ 107.370078][ T4906] inet_sendmsg+0x15c/0x290 [ 107.371257][ T4906] __sys_sendto+0x388/0x4d0 [ 107.372432][ T4906] __arm64_sys_sendto+0xd8/0xf8 [ 107.373737][ T4906] invoke_syscall+0x98/0x2b8 [ 107.374960][ T4906] el0_svc_common+0x138/0x258 [ 107.376200][ T4906] do_el0_svc+0x58/0x14c [ 107.377332][ T4906] el0_svc+0x7c/0x1f0 [ 107.378384][ T4906] el0t_64_sync_handler+0x84/0xe4 [ 107.379735][ T4906] el0t_64_sync+0x1a0/0x1a4 [ 107.398817][ T4908] dccp_xmit_packet: Payload too large (65475) for featneg. [ 107.414098][ T4908] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 107.417098][ T4908] CPU: 0 PID: 4908 Comm: syz.0.42 Not tainted 5.15.178-syzkaller #0 [ 107.419300][ T4908] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 107.422110][ T4908] Call trace: [ 107.422982][ T4908] dump_backtrace+0x0/0x530 [ 107.424169][ T4908] show_stack+0x2c/0x3c [ 107.425325][ T4908] dump_stack_lvl+0x108/0x170 [ 107.426552][ T4908] dump_stack+0x1c/0x58 [ 107.427648][ T4908] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 107.429305][ T4908] dccp_xmit_packet+0x298/0x448 [ 107.430604][ T4908] dccp_write_xmit+0x128/0x208 [ 107.431928][ T4908] dccp_sendmsg+0x608/0xae0 [ 107.433168][ T4908] inet_sendmsg+0x15c/0x290 [ 107.434378][ T4908] __sys_sendto+0x388/0x4d0 [ 107.435548][ T4908] __arm64_sys_sendto+0xd8/0xf8 [ 107.436816][ T4908] invoke_syscall+0x98/0x2b8 [ 107.438054][ T4908] el0_svc_common+0x138/0x258 [ 107.439420][ T4908] do_el0_svc+0x58/0x14c [ 107.440542][ T4908] el0_svc+0x7c/0x1f0 [ 107.441600][ T4908] el0t_64_sync_handler+0x84/0xe4 [ 107.442919][ T4908] el0t_64_sync+0x1a0/0x1a4 [ 107.445166][ T4908] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 107.448068][ T4908] CPU: 0 PID: 4908 Comm: syz.0.42 Not tainted 5.15.178-syzkaller #0 [ 107.450094][ T4908] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 107.452794][ T4908] Call trace: [ 107.453652][ T4908] dump_backtrace+0x0/0x530 [ 107.454870][ T4908] show_stack+0x2c/0x3c [ 107.455965][ T4908] dump_stack_lvl+0x108/0x170 [ 107.457246][ T4908] dump_stack+0x1c/0x58 [ 107.458369][ T4908] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 107.459807][ T4908] dccp_xmit_packet+0x298/0x448 [ 107.461095][ T4908] dccp_write_xmit+0x128/0x208 [ 107.462357][ T4908] dccp_sendmsg+0x608/0xae0 [ 107.463504][ T4908] inet_sendmsg+0x15c/0x290 [ 107.464755][ T4908] __sys_sendto+0x388/0x4d0 [ 107.465936][ T4908] __arm64_sys_sendto+0xd8/0xf8 [ 107.467191][ T4908] invoke_syscall+0x98/0x2b8 [ 107.468373][ T4908] el0_svc_common+0x138/0x258 [ 107.469609][ T4908] do_el0_svc+0x58/0x14c [ 107.470728][ T4908] el0_svc+0x7c/0x1f0 [ 107.471781][ T4908] el0t_64_sync_handler+0x84/0xe4 [ 107.473186][ T4908] el0t_64_sync+0x1a0/0x1a4 [ 107.476578][ T4908] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 107.479521][ T4908] CPU: 1 PID: 4908 Comm: syz.0.42 Not tainted 5.15.178-syzkaller #0 [ 107.481598][ T4908] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 107.484275][ T4908] Call trace: [ 107.485160][ T4908] dump_backtrace+0x0/0x530 [ 107.486320][ T4908] show_stack+0x2c/0x3c [ 107.487381][ T4908] dump_stack_lvl+0x108/0x170 [ 107.488651][ T4908] dump_stack+0x1c/0x58 [ 107.489745][ T4908] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 107.491195][ T4908] dccp_xmit_packet+0x298/0x448 [ 107.492477][ T4908] dccp_write_xmit+0x128/0x208 [ 107.493748][ T4908] dccp_sendmsg+0x608/0xae0 [ 107.494931][ T4908] inet_sendmsg+0x15c/0x290 [ 107.496126][ T4908] __sys_sendto+0x388/0x4d0 [ 107.497353][ T4908] __arm64_sys_sendto+0xd8/0xf8 [ 107.498680][ T4908] invoke_syscall+0x98/0x2b8 [ 107.499874][ T4908] el0_svc_common+0x138/0x258 [ 107.501068][ T4908] do_el0_svc+0x58/0x14c [ 107.502170][ T4908] el0_svc+0x7c/0x1f0 [ 107.503215][ T4908] el0t_64_sync_handler+0x84/0xe4 [ 107.504537][ T4908] el0t_64_sync+0x1a0/0x1a4 [ 107.508583][ T4908] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 107.511719][ T4908] CPU: 1 PID: 4908 Comm: syz.0.42 Not tainted 5.15.178-syzkaller #0 [ 107.513744][ T4908] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 107.516402][ T4908] Call trace: [ 107.517250][ T4908] dump_backtrace+0x0/0x530 [ 107.518383][ T4908] show_stack+0x2c/0x3c [ 107.519424][ T4908] dump_stack_lvl+0x108/0x170 [ 107.520626][ T4908] dump_stack+0x1c/0x58 [ 107.521722][ T4908] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 107.523166][ T4908] dccp_xmit_packet+0x298/0x448 [ 107.524434][ T4908] dccp_write_xmit+0x128/0x208 [ 107.525683][ T4908] dccp_sendmsg+0x608/0xae0 [ 107.526888][ T4908] inet_sendmsg+0x15c/0x290 [ 107.528093][ T4908] __sys_sendto+0x388/0x4d0 [ 107.529300][ T4908] __arm64_sys_sendto+0xd8/0xf8 [ 107.530589][ T4908] invoke_syscall+0x98/0x2b8 [ 107.531814][ T4908] el0_svc_common+0x138/0x258 [ 107.533003][ T4908] do_el0_svc+0x58/0x14c [ 107.534124][ T4908] el0_svc+0x7c/0x1f0 [ 107.535174][ T4908] el0t_64_sync_handler+0x84/0xe4 [ 107.536484][ T4908] el0t_64_sync+0x1a0/0x1a4 [ 107.540427][ T4908] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 107.543916][ T4908] CPU: 1 PID: 4908 Comm: syz.0.42 Not tainted 5.15.178-syzkaller #0 [ 107.545982][ T4908] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 107.548685][ T4908] Call trace: [ 107.549497][ T4908] dump_backtrace+0x0/0x530 [ 107.550694][ T4908] show_stack+0x2c/0x3c [ 107.551780][ T4908] dump_stack_lvl+0x108/0x170 [ 107.553029][ T4908] dump_stack+0x1c/0x58 [ 107.554093][ T4908] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 107.555537][ T4908] dccp_xmit_packet+0x298/0x448 [ 107.556795][ T4908] dccp_write_xmit+0x128/0x208 [ 107.558072][ T4908] dccp_sendmsg+0x608/0xae0 [ 107.559278][ T4908] inet_sendmsg+0x15c/0x290 [ 107.560444][ T4908] __sys_sendto+0x388/0x4d0 [ 107.561697][ T4908] __arm64_sys_sendto+0xd8/0xf8 [ 107.563047][ T4908] invoke_syscall+0x98/0x2b8 [ 107.564347][ T4908] el0_svc_common+0x138/0x258 [ 107.565669][ T4908] do_el0_svc+0x58/0x14c [ 107.566820][ T4908] el0_svc+0x7c/0x1f0 [ 107.567930][ T4908] el0t_64_sync_handler+0x84/0xe4 [ 107.569298][ T4908] el0t_64_sync+0x1a0/0x1a4 [ 107.573422][ T4908] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 107.576340][ T4908] CPU: 1 PID: 4908 Comm: syz.0.42 Not tainted 5.15.178-syzkaller #0 [ 107.578401][ T4908] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 107.581062][ T4908] Call trace: [ 107.581886][ T4908] dump_backtrace+0x0/0x530 [ 107.583115][ T4908] show_stack+0x2c/0x3c [ 107.584324][ T4908] dump_stack_lvl+0x108/0x170 [ 107.585573][ T4908] dump_stack+0x1c/0x58 [ 107.586714][ T4908] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 107.588156][ T4908] dccp_xmit_packet+0x298/0x448 [ 107.589445][ T4908] dccp_write_xmit+0x128/0x208 [ 107.590703][ T4908] dccp_sendmsg+0x608/0xae0 [ 107.591885][ T4908] inet_sendmsg+0x15c/0x290 [ 107.593125][ T4908] __sys_sendto+0x388/0x4d0 [ 107.594373][ T4908] __arm64_sys_sendto+0xd8/0xf8 [ 107.595633][ T4908] invoke_syscall+0x98/0x2b8 [ 107.596820][ T4908] el0_svc_common+0x138/0x258 [ 107.598110][ T4908] do_el0_svc+0x58/0x14c [ 107.599245][ T4908] el0_svc+0x7c/0x1f0 [ 107.600289][ T4908] el0t_64_sync_handler+0x84/0xe4 [ 107.601634][ T4908] el0t_64_sync+0x1a0/0x1a4 [ 107.605696][ T4908] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 107.608627][ T4908] CPU: 1 PID: 4908 Comm: syz.0.42 Not tainted 5.15.178-syzkaller #0 [ 107.610742][ T4908] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 107.613493][ T4908] Call trace: [ 107.614343][ T4908] dump_backtrace+0x0/0x530 [ 107.615554][ T4908] show_stack+0x2c/0x3c [ 107.616648][ T4908] dump_stack_lvl+0x108/0x170 [ 107.617855][ T4908] dump_stack+0x1c/0x58 [ 107.618965][ T4908] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 107.620520][ T4908] dccp_xmit_packet+0x298/0x448 [ 107.621849][ T4908] dccp_write_xmit+0x128/0x208 [ 107.623221][ T4908] dccp_sendmsg+0x608/0xae0 [ 107.624403][ T4908] inet_sendmsg+0x15c/0x290 [ 107.625584][ T4908] __sys_sendto+0x388/0x4d0 [ 107.626768][ T4908] __arm64_sys_sendto+0xd8/0xf8 [ 107.628055][ T4908] invoke_syscall+0x98/0x2b8 [ 107.629322][ T4908] el0_svc_common+0x138/0x258 [ 107.630545][ T4908] do_el0_svc+0x58/0x14c [ 107.631685][ T4908] el0_svc+0x7c/0x1f0 [ 107.632735][ T4908] el0t_64_sync_handler+0x84/0xe4 [ 107.634131][ T4908] el0t_64_sync+0x1a0/0x1a4 [ 107.640256][ T4908] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 107.643750][ T4908] CPU: 1 PID: 4908 Comm: syz.0.42 Not tainted 5.15.178-syzkaller #0 [ 107.645917][ T4908] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 107.648518][ T4908] Call trace: [ 107.649375][ T4908] dump_backtrace+0x0/0x530 [ 107.650543][ T4908] show_stack+0x2c/0x3c [ 107.651672][ T4908] dump_stack_lvl+0x108/0x170 [ 107.652900][ T4908] dump_stack+0x1c/0x58 [ 107.653966][ T4908] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 107.655520][ T4908] dccp_xmit_packet+0x298/0x448 [ 107.656805][ T4908] dccp_write_xmit+0x128/0x208 [ 107.658096][ T4908] dccp_sendmsg+0x608/0xae0 [ 107.659301][ T4908] inet_sendmsg+0x15c/0x290 [ 107.660551][ T4908] __sys_sendto+0x388/0x4d0 [ 107.661744][ T4908] __arm64_sys_sendto+0xd8/0xf8 [ 107.663004][ T4908] invoke_syscall+0x98/0x2b8 [ 107.664245][ T4908] el0_svc_common+0x138/0x258 [ 107.665535][ T4908] do_el0_svc+0x58/0x14c [ 107.666657][ T4908] el0_svc+0x7c/0x1f0 [ 107.667742][ T4908] el0t_64_sync_handler+0x84/0xe4 [ 107.669039][ T4908] el0t_64_sync+0x1a0/0x1a4 [ 107.675149][ T4908] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 107.678135][ T4908] CPU: 1 PID: 4908 Comm: syz.0.42 Not tainted 5.15.178-syzkaller #0 [ 107.680272][ T4908] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 107.682927][ T4908] Call trace: [ 107.683799][ T4908] dump_backtrace+0x0/0x530 [ 107.685054][ T4908] show_stack+0x2c/0x3c [ 107.686151][ T4908] dump_stack_lvl+0x108/0x170 [ 107.687397][ T4908] dump_stack+0x1c/0x58 [ 107.688555][ T4908] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 107.689986][ T4908] dccp_xmit_packet+0x298/0x448 [ 107.691249][ T4908] dccp_write_xmit+0x128/0x208 [ 107.692489][ T4908] dccp_sendmsg+0x608/0xae0 [ 107.693738][ T4908] inet_sendmsg+0x15c/0x290 [ 107.694953][ T4908] __sys_sendto+0x388/0x4d0 [ 107.696225][ T4908] __arm64_sys_sendto+0xd8/0xf8 [ 107.697559][ T4908] invoke_syscall+0x98/0x2b8 [ 107.698777][ T4908] el0_svc_common+0x138/0x258 [ 107.700040][ T4908] do_el0_svc+0x58/0x14c [ 107.701242][ T4908] el0_svc+0x7c/0x1f0 [ 107.702385][ T4908] el0t_64_sync_handler+0x84/0xe4 [ 107.703787][ T4908] el0t_64_sync+0x1a0/0x1a4 [ 107.728986][ T4910] dccp_xmit_packet: Payload too large (65475) for featneg. [ 107.760419][ T4912] dccp_xmit_packet: Payload too large (65475) for featneg. [ 107.782544][ T4912] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 107.785545][ T4912] CPU: 0 PID: 4912 Comm: syz.0.44 Not tainted 5.15.178-syzkaller #0 [ 107.787727][ T4912] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 107.790376][ T4912] Call trace: [ 107.791255][ T4912] dump_backtrace+0x0/0x530 [ 107.792498][ T4912] show_stack+0x2c/0x3c [ 107.793647][ T4912] dump_stack_lvl+0x108/0x170 [ 107.794896][ T4912] dump_stack+0x1c/0x58 [ 107.796039][ T4912] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 107.797527][ T4912] dccp_xmit_packet+0x298/0x448 [ 107.798936][ T4912] dccp_write_xmit+0x128/0x208 [ 107.800189][ T4912] dccp_sendmsg+0x608/0xae0 [ 107.801409][ T4912] inet_sendmsg+0x15c/0x290 [ 107.802598][ T4912] __sys_sendto+0x388/0x4d0 [ 107.803787][ T4912] __arm64_sys_sendto+0xd8/0xf8 [ 107.805114][ T4912] invoke_syscall+0x98/0x2b8 [ 107.806339][ T4912] el0_svc_common+0x138/0x258 [ 107.807580][ T4912] do_el0_svc+0x58/0x14c [ 107.808738][ T4912] el0_svc+0x7c/0x1f0 [ 107.809784][ T4912] el0t_64_sync_handler+0x84/0xe4 [ 107.811149][ T4912] el0t_64_sync+0x1a0/0x1a4 [ 107.812955][ T4912] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 107.816010][ T4912] CPU: 0 PID: 4912 Comm: syz.0.44 Not tainted 5.15.178-syzkaller #0 [ 107.818231][ T4912] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 107.820918][ T4912] Call trace: [ 107.821726][ T4912] dump_backtrace+0x0/0x530 [ 107.822922][ T4912] show_stack+0x2c/0x3c [ 107.824093][ T4912] dump_stack_lvl+0x108/0x170 [ 107.825381][ T4912] dump_stack+0x1c/0x58 [ 107.826536][ T4912] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 107.828032][ T4912] dccp_xmit_packet+0x298/0x448 [ 107.829359][ T4912] dccp_write_xmit+0x128/0x208 [ 107.830640][ T4912] dccp_sendmsg+0x608/0xae0 [ 107.831822][ T4912] inet_sendmsg+0x15c/0x290 [ 107.833038][ T4912] __sys_sendto+0x388/0x4d0 [ 107.834214][ T4912] __arm64_sys_sendto+0xd8/0xf8 [ 107.835551][ T4912] invoke_syscall+0x98/0x2b8 [ 107.836732][ T4912] el0_svc_common+0x138/0x258 [ 107.838029][ T4912] do_el0_svc+0x58/0x14c [ 107.839209][ T4912] el0_svc+0x7c/0x1f0 [ 107.840309][ T4912] el0t_64_sync_handler+0x84/0xe4 [ 107.841620][ T4912] el0t_64_sync+0x1a0/0x1a4 [ 107.844340][ T4912] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 107.847280][ T4912] CPU: 0 PID: 4912 Comm: syz.0.44 Not tainted 5.15.178-syzkaller #0 [ 107.849312][ T4912] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 107.852073][ T4912] Call trace: [ 107.852943][ T4912] dump_backtrace+0x0/0x530 [ 107.854159][ T4912] show_stack+0x2c/0x3c [ 107.855244][ T4912] dump_stack_lvl+0x108/0x170 [ 107.856509][ T4912] dump_stack+0x1c/0x58 [ 107.857679][ T4912] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 107.859144][ T4912] dccp_xmit_packet+0x298/0x448 [ 107.860381][ T4912] dccp_write_xmit+0x128/0x208 [ 107.861699][ T4912] dccp_sendmsg+0x608/0xae0 [ 107.863058][ T4912] inet_sendmsg+0x15c/0x290 [ 107.864225][ T4912] __sys_sendto+0x388/0x4d0 [ 107.865436][ T4912] __arm64_sys_sendto+0xd8/0xf8 [ 107.866681][ T4912] invoke_syscall+0x98/0x2b8 [ 107.867895][ T4912] el0_svc_common+0x138/0x258 [ 107.869197][ T4912] do_el0_svc+0x58/0x14c [ 107.870350][ T4912] el0_svc+0x7c/0x1f0 [ 107.871425][ T4912] el0t_64_sync_handler+0x84/0xe4 [ 107.872748][ T4912] el0t_64_sync+0x1a0/0x1a4 [ 107.874745][ T4912] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 107.877823][ T4912] CPU: 0 PID: 4912 Comm: syz.0.44 Not tainted 5.15.178-syzkaller #0 [ 107.879982][ T4912] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 107.882743][ T4912] Call trace: [ 107.883577][ T4912] dump_backtrace+0x0/0x530 [ 107.884815][ T4912] show_stack+0x2c/0x3c [ 107.885918][ T4912] dump_stack_lvl+0x108/0x170 [ 107.887153][ T4912] dump_stack+0x1c/0x58 [ 107.888267][ T4912] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 107.889729][ T4912] dccp_xmit_packet+0x298/0x448 [ 107.891050][ T4912] dccp_write_xmit+0x128/0x208 [ 107.892347][ T4912] dccp_sendmsg+0x608/0xae0 [ 107.893546][ T4912] inet_sendmsg+0x15c/0x290 [ 107.894733][ T4912] __sys_sendto+0x388/0x4d0 [ 107.895975][ T4912] __arm64_sys_sendto+0xd8/0xf8 [ 107.897272][ T4912] invoke_syscall+0x98/0x2b8 [ 107.898514][ T4912] el0_svc_common+0x138/0x258 [ 107.899722][ T4912] do_el0_svc+0x58/0x14c [ 107.900822][ T4912] el0_svc+0x7c/0x1f0 [ 107.901942][ T4912] el0t_64_sync_handler+0x84/0xe4 [ 107.903255][ T4912] el0t_64_sync+0x1a0/0x1a4 [ 107.904816][ T4912] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 107.907744][ T4912] CPU: 0 PID: 4912 Comm: syz.0.44 Not tainted 5.15.178-syzkaller #0 [ 107.909839][ T4912] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 107.912570][ T4912] Call trace: [ 107.913445][ T4912] dump_backtrace+0x0/0x530 [ 107.914635][ T4912] show_stack+0x2c/0x3c [ 107.915701][ T4912] dump_stack_lvl+0x108/0x170 [ 107.916944][ T4912] dump_stack+0x1c/0x58 [ 107.918088][ T4912] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 107.919617][ T4912] dccp_xmit_packet+0x298/0x448 [ 107.920945][ T4912] dccp_write_xmit+0x128/0x208 [ 107.922236][ T4912] dccp_sendmsg+0x608/0xae0 [ 107.923448][ T4912] inet_sendmsg+0x15c/0x290 [ 107.924660][ T4912] __sys_sendto+0x388/0x4d0 [ 107.925837][ T4912] __arm64_sys_sendto+0xd8/0xf8 [ 107.927147][ T4912] invoke_syscall+0x98/0x2b8 [ 107.928349][ T4912] el0_svc_common+0x138/0x258 [ 107.929568][ T4912] do_el0_svc+0x58/0x14c [ 107.930689][ T4912] el0_svc+0x7c/0x1f0 [ 107.931793][ T4912] el0t_64_sync_handler+0x84/0xe4 [ 107.933152][ T4912] el0t_64_sync+0x1a0/0x1a4 [ 107.935458][ T4912] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 107.938446][ T4912] CPU: 0 PID: 4912 Comm: syz.0.44 Not tainted 5.15.178-syzkaller #0 [ 107.940529][ T4912] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 107.943162][ T4912] Call trace: [ 107.944026][ T4912] dump_backtrace+0x0/0x530 [ 107.945213][ T4912] show_stack+0x2c/0x3c [ 107.946381][ T4912] dump_stack_lvl+0x108/0x170 [ 107.947652][ T4912] dump_stack+0x1c/0x58 [ 107.948821][ T4912] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 107.950301][ T4912] dccp_xmit_packet+0x298/0x448 [ 107.951609][ T4912] dccp_write_xmit+0x128/0x208 [ 107.953023][ T4912] dccp_sendmsg+0x608/0xae0 [ 107.954209][ T4912] inet_sendmsg+0x15c/0x290 [ 107.955428][ T4912] __sys_sendto+0x388/0x4d0 [ 107.956673][ T4912] __arm64_sys_sendto+0xd8/0xf8 [ 107.958018][ T4912] invoke_syscall+0x98/0x2b8 [ 107.959234][ T4912] el0_svc_common+0x138/0x258 [ 107.960526][ T4912] do_el0_svc+0x58/0x14c [ 107.961662][ T4912] el0_svc+0x7c/0x1f0 [ 107.962699][ T4912] el0t_64_sync_handler+0x84/0xe4 [ 107.964093][ T4912] el0t_64_sync+0x1a0/0x1a4 [ 107.966206][ T4912] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 107.969165][ T4912] CPU: 0 PID: 4912 Comm: syz.0.44 Not tainted 5.15.178-syzkaller #0 [ 107.971330][ T4912] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 107.974034][ T4912] Call trace: [ 107.974945][ T4912] dump_backtrace+0x0/0x530 [ 107.976168][ T4912] show_stack+0x2c/0x3c [ 107.977280][ T4912] dump_stack_lvl+0x108/0x170 [ 107.978486][ T4912] dump_stack+0x1c/0x58 [ 107.979570][ T4912] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 107.980988][ T4912] dccp_xmit_packet+0x298/0x448 [ 107.982358][ T4912] dccp_write_xmit+0x128/0x208 [ 107.983670][ T4912] dccp_sendmsg+0x608/0xae0 [ 107.984889][ T4912] inet_sendmsg+0x15c/0x290 [ 107.986101][ T4912] __sys_sendto+0x388/0x4d0 [ 107.987322][ T4912] __arm64_sys_sendto+0xd8/0xf8 [ 107.988670][ T4912] invoke_syscall+0x98/0x2b8 [ 107.989863][ T4912] el0_svc_common+0x138/0x258 [ 107.991159][ T4912] do_el0_svc+0x58/0x14c [ 107.992288][ T4912] el0_svc+0x7c/0x1f0 [ 107.993337][ T4912] el0t_64_sync_handler+0x84/0xe4 [ 107.994680][ T4912] el0t_64_sync+0x1a0/0x1a4 [ 107.996447][ T4912] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 107.999429][ T4912] CPU: 0 PID: 4912 Comm: syz.0.44 Not tainted 5.15.178-syzkaller #0 [ 108.001618][ T4912] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 108.004273][ T4912] Call trace: [ 108.005135][ T4912] dump_backtrace+0x0/0x530 [ 108.006393][ T4912] show_stack+0x2c/0x3c [ 108.007516][ T4912] dump_stack_lvl+0x108/0x170 [ 108.008760][ T4912] dump_stack+0x1c/0x58 [ 108.009836][ T4912] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 108.011327][ T4912] dccp_xmit_packet+0x298/0x448 [ 108.012604][ T4912] dccp_write_xmit+0x128/0x208 [ 108.013885][ T4912] dccp_sendmsg+0x608/0xae0 [ 108.015113][ T4912] inet_sendmsg+0x15c/0x290 [ 108.016312][ T4912] __sys_sendto+0x388/0x4d0 [ 108.017522][ T4912] __arm64_sys_sendto+0xd8/0xf8 [ 108.018771][ T4912] invoke_syscall+0x98/0x2b8 [ 108.020004][ T4912] el0_svc_common+0x138/0x258 [ 108.021271][ T4912] do_el0_svc+0x58/0x14c [ 108.022396][ T4912] el0_svc+0x7c/0x1f0 [ 108.023485][ T4912] el0t_64_sync_handler+0x84/0xe4 [ 108.024812][ T4912] el0t_64_sync+0x1a0/0x1a4 [ 108.026393][ T4912] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 108.029444][ T4912] CPU: 0 PID: 4912 Comm: syz.0.44 Not tainted 5.15.178-syzkaller #0 [ 108.031572][ T4912] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 108.034296][ T4912] Call trace: [ 108.035197][ T4912] dump_backtrace+0x0/0x530 [ 108.036395][ T4912] show_stack+0x2c/0x3c [ 108.037538][ T4912] dump_stack_lvl+0x108/0x170 [ 108.038831][ T4912] dump_stack+0x1c/0x58 [ 108.039951][ T4912] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 108.041438][ T4912] dccp_xmit_packet+0x298/0x448 [ 108.042859][ T4912] dccp_write_xmit+0x128/0x208 [ 108.044153][ T4912] dccp_sendmsg+0x608/0xae0 [ 108.045349][ T4912] inet_sendmsg+0x15c/0x290 [ 108.046559][ T4912] __sys_sendto+0x388/0x4d0 [ 108.047849][ T4912] __arm64_sys_sendto+0xd8/0xf8 [ 108.049119][ T4912] invoke_syscall+0x98/0x2b8 [ 108.050340][ T4912] el0_svc_common+0x138/0x258 [ 108.051543][ T4912] do_el0_svc+0x58/0x14c [ 108.052671][ T4912] el0_svc+0x7c/0x1f0 [ 108.053735][ T4912] el0t_64_sync_handler+0x84/0xe4 [ 108.055122][ T4912] el0t_64_sync+0x1a0/0x1a4 [ 108.088129][ T4914] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 108.091539][ T4914] CPU: 1 PID: 4914 Comm: syz.0.45 Not tainted 5.15.178-syzkaller #0 [ 108.093825][ T4914] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 108.096321][ T4914] Call trace: [ 108.097158][ T4914] dump_backtrace+0x0/0x530 [ 108.098316][ T4914] show_stack+0x2c/0x3c [ 108.099414][ T4914] dump_stack_lvl+0x108/0x170 [ 108.100538][ T4914] dump_stack+0x1c/0x58 [ 108.101538][ T4914] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 108.102940][ T4914] dccp_xmit_packet+0x298/0x448 [ 108.104220][ T4914] dccp_write_xmit+0x128/0x208 [ 108.105443][ T4914] dccp_sendmsg+0x608/0xae0 [ 108.106562][ T4914] inet_sendmsg+0x15c/0x290 [ 108.107709][ T4914] __sys_sendto+0x388/0x4d0 [ 108.108929][ T4914] __arm64_sys_sendto+0xd8/0xf8 [ 108.110226][ T4914] invoke_syscall+0x98/0x2b8 [ 108.111433][ T4914] el0_svc_common+0x138/0x258 [ 108.112649][ T4914] do_el0_svc+0x58/0x14c [ 108.113755][ T4914] el0_svc+0x7c/0x1f0 [ 108.114809][ T4914] el0t_64_sync_handler+0x84/0xe4 [ 108.116215][ T4914] el0t_64_sync+0x1a0/0x1a4 [ 108.118130][ T4914] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 108.122152][ T4914] CPU: 1 PID: 4914 Comm: syz.0.45 Not tainted 5.15.178-syzkaller #0 [ 108.124278][ T4914] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 108.126861][ T4914] Call trace: [ 108.127721][ T4914] dump_backtrace+0x0/0x530 [ 108.128931][ T4914] show_stack+0x2c/0x3c [ 108.130076][ T4914] dump_stack_lvl+0x108/0x170 [ 108.131293][ T4914] dump_stack+0x1c/0x58 [ 108.132445][ T4914] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 108.133918][ T4914] dccp_xmit_packet+0x298/0x448 [ 108.135237][ T4914] dccp_write_xmit+0x128/0x208 [ 108.136584][ T4914] dccp_sendmsg+0x608/0xae0 [ 108.137860][ T4914] inet_sendmsg+0x15c/0x290 [ 108.139043][ T4914] __sys_sendto+0x388/0x4d0 [ 108.140256][ T4914] __arm64_sys_sendto+0xd8/0xf8 [ 108.141527][ T4914] invoke_syscall+0x98/0x2b8 [ 108.142759][ T4914] el0_svc_common+0x138/0x258 [ 108.144033][ T4914] do_el0_svc+0x58/0x14c [ 108.145203][ T4914] el0_svc+0x7c/0x1f0 [ 108.146402][ T4914] el0t_64_sync_handler+0x84/0xe4 [ 108.147732][ T4914] el0t_64_sync+0x1a0/0x1a4 [ 108.149295][ T4914] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 108.152370][ T4914] CPU: 1 PID: 4914 Comm: syz.0.45 Not tainted 5.15.178-syzkaller #0 [ 108.154636][ T4914] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 108.157413][ T4914] Call trace: [ 108.158322][ T4914] dump_backtrace+0x0/0x530 [ 108.159563][ T4914] show_stack+0x2c/0x3c [ 108.160641][ T4914] dump_stack_lvl+0x108/0x170 [ 108.161955][ T4914] dump_stack+0x1c/0x58 [ 108.163088][ T4914] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 108.164531][ T4914] dccp_xmit_packet+0x298/0x448 [ 108.165917][ T4914] dccp_write_xmit+0x128/0x208 [ 108.167265][ T4914] dccp_sendmsg+0x608/0xae0 [ 108.168486][ T4914] inet_sendmsg+0x15c/0x290 [ 108.169737][ T4914] __sys_sendto+0x388/0x4d0 [ 108.170960][ T4914] __arm64_sys_sendto+0xd8/0xf8 [ 108.172319][ T4914] invoke_syscall+0x98/0x2b8 [ 108.173634][ T4914] el0_svc_common+0x138/0x258 [ 108.174969][ T4914] do_el0_svc+0x58/0x14c [ 108.176164][ T4914] el0_svc+0x7c/0x1f0 [ 108.177240][ T4914] el0t_64_sync_handler+0x84/0xe4 [ 108.178573][ T4914] el0t_64_sync+0x1a0/0x1a4 [ 108.180699][ T4914] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 108.183846][ T4914] CPU: 1 PID: 4914 Comm: syz.0.45 Not tainted 5.15.178-syzkaller #0 [ 108.185987][ T4914] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 108.188605][ T4914] Call trace: [ 108.189465][ T4914] dump_backtrace+0x0/0x530 [ 108.190677][ T4914] show_stack+0x2c/0x3c [ 108.191764][ T4914] dump_stack_lvl+0x108/0x170 [ 108.193091][ T4914] dump_stack+0x1c/0x58 [ 108.194189][ T4914] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 108.195553][ T4914] dccp_xmit_packet+0x298/0x448 [ 108.196875][ T4914] dccp_write_xmit+0x128/0x208 [ 108.198190][ T4914] dccp_sendmsg+0x608/0xae0 [ 108.199385][ T4914] inet_sendmsg+0x15c/0x290 [ 108.200600][ T4914] __sys_sendto+0x388/0x4d0 [ 108.201858][ T4914] __arm64_sys_sendto+0xd8/0xf8 [ 108.203120][ T4914] invoke_syscall+0x98/0x2b8 [ 108.204291][ T4914] el0_svc_common+0x138/0x258 [ 108.205533][ T4914] do_el0_svc+0x58/0x14c [ 108.206633][ T4914] el0_svc+0x7c/0x1f0 [ 108.207747][ T4914] el0t_64_sync_handler+0x84/0xe4 [ 108.209074][ T4914] el0t_64_sync+0x1a0/0x1a4 [ 108.210637][ T4914] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 108.213605][ T4914] CPU: 1 PID: 4914 Comm: syz.0.45 Not tainted 5.15.178-syzkaller #0 [ 108.215697][ T4914] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 108.218321][ T4914] Call trace: [ 108.219227][ T4914] dump_backtrace+0x0/0x530 [ 108.220504][ T4914] show_stack+0x2c/0x3c [ 108.221653][ T4914] dump_stack_lvl+0x108/0x170 [ 108.222927][ T4914] dump_stack+0x1c/0x58 [ 108.224010][ T4914] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 108.225496][ T4914] dccp_xmit_packet+0x298/0x448 [ 108.226805][ T4914] dccp_write_xmit+0x128/0x208 [ 108.228083][ T4914] dccp_sendmsg+0x608/0xae0 [ 108.229258][ T4914] inet_sendmsg+0x15c/0x290 [ 108.230458][ T4914] __sys_sendto+0x388/0x4d0 [ 108.231651][ T4914] __arm64_sys_sendto+0xd8/0xf8 [ 108.232911][ T4914] invoke_syscall+0x98/0x2b8 [ 108.234142][ T4914] el0_svc_common+0x138/0x258 [ 108.235394][ T4914] do_el0_svc+0x58/0x14c [ 108.236533][ T4914] el0_svc+0x7c/0x1f0 [ 108.237568][ T4914] el0t_64_sync_handler+0x84/0xe4 [ 108.238923][ T4914] el0t_64_sync+0x1a0/0x1a4 [ 108.242339][ T4914] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 108.245483][ T4914] CPU: 1 PID: 4914 Comm: syz.0.45 Not tainted 5.15.178-syzkaller #0 [ 108.247640][ T4914] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 108.250350][ T4914] Call trace: [ 108.251220][ T4914] dump_backtrace+0x0/0x530 [ 108.252373][ T4914] show_stack+0x2c/0x3c [ 108.253467][ T4914] dump_stack_lvl+0x108/0x170 [ 108.254726][ T4914] dump_stack+0x1c/0x58 [ 108.255853][ T4914] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 108.257326][ T4914] dccp_xmit_packet+0x298/0x448 [ 108.258633][ T4914] dccp_write_xmit+0x128/0x208 [ 108.259851][ T4914] dccp_sendmsg+0x608/0xae0 [ 108.261043][ T4914] inet_sendmsg+0x15c/0x290 [ 108.262253][ T4914] __sys_sendto+0x388/0x4d0 [ 108.263411][ T4914] __arm64_sys_sendto+0xd8/0xf8 [ 108.264667][ T4914] invoke_syscall+0x98/0x2b8 [ 108.265972][ T4914] el0_svc_common+0x138/0x258 [ 108.267286][ T4914] do_el0_svc+0x58/0x14c [ 108.268460][ T4914] el0_svc+0x7c/0x1f0 [ 108.269470][ T4914] el0t_64_sync_handler+0x84/0xe4 [ 108.270898][ T4914] el0t_64_sync+0x1a0/0x1a4 [ 108.274778][ T4914] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 108.277782][ T4914] CPU: 1 PID: 4914 Comm: syz.0.45 Not tainted 5.15.178-syzkaller #0 [ 108.279908][ T4914] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 108.282610][ T4914] Call trace: [ 108.283490][ T4914] dump_backtrace+0x0/0x530 [ 108.284664][ T4914] show_stack+0x2c/0x3c [ 108.285767][ T4914] dump_stack_lvl+0x108/0x170 [ 108.286950][ T4914] dump_stack+0x1c/0x58 [ 108.288009][ T4914] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 108.289422][ T4914] dccp_xmit_packet+0x298/0x448 [ 108.290707][ T4914] dccp_write_xmit+0x128/0x208 [ 108.291889][ T4914] dccp_sendmsg+0x608/0xae0 [ 108.293106][ T4914] inet_sendmsg+0x15c/0x290 [ 108.294259][ T4914] __sys_sendto+0x388/0x4d0 [ 108.295487][ T4914] __arm64_sys_sendto+0xd8/0xf8 [ 108.296771][ T4914] invoke_syscall+0x98/0x2b8 [ 108.298017][ T4914] el0_svc_common+0x138/0x258 [ 108.299264][ T4914] do_el0_svc+0x58/0x14c [ 108.300389][ T4914] el0_svc+0x7c/0x1f0 [ 108.301406][ T4914] el0t_64_sync_handler+0x84/0xe4 [ 108.302714][ T4914] el0t_64_sync+0x1a0/0x1a4 [ 108.306417][ T4914] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 108.309389][ T4914] CPU: 1 PID: 4914 Comm: syz.0.45 Not tainted 5.15.178-syzkaller #0 [ 108.311620][ T4914] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 108.314454][ T4914] Call trace: [ 108.315365][ T4914] dump_backtrace+0x0/0x530 [ 108.316577][ T4914] show_stack+0x2c/0x3c [ 108.317680][ T4914] dump_stack_lvl+0x108/0x170 [ 108.318965][ T4914] dump_stack+0x1c/0x58 [ 108.320086][ T4914] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 108.321524][ T4914] dccp_xmit_packet+0x298/0x448 [ 108.322847][ T4914] dccp_write_xmit+0x128/0x208 [ 108.324195][ T4914] dccp_sendmsg+0x608/0xae0 [ 108.325422][ T4914] inet_sendmsg+0x15c/0x290 [ 108.326596][ T4914] __sys_sendto+0x388/0x4d0 [ 108.327813][ T4914] __arm64_sys_sendto+0xd8/0xf8 [ 108.329093][ T4914] invoke_syscall+0x98/0x2b8 [ 108.330281][ T4914] el0_svc_common+0x138/0x258 [ 108.331502][ T4914] do_el0_svc+0x58/0x14c [ 108.332604][ T4914] el0_svc+0x7c/0x1f0 [ 108.333626][ T4914] el0t_64_sync_handler+0x84/0xe4 [ 108.334978][ T4914] el0t_64_sync+0x1a0/0x1a4 [ 108.338446][ T4914] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 108.341537][ T4914] CPU: 1 PID: 4914 Comm: syz.0.45 Not tainted 5.15.178-syzkaller #0 [ 108.343596][ T4914] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 108.346289][ T4914] Call trace: [ 108.347168][ T4914] dump_backtrace+0x0/0x530 [ 108.348423][ T4914] show_stack+0x2c/0x3c [ 108.349518][ T4914] dump_stack_lvl+0x108/0x170 [ 108.350769][ T4914] dump_stack+0x1c/0x58 [ 108.351948][ T4914] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 108.353415][ T4914] dccp_xmit_packet+0x298/0x448 [ 108.354793][ T4914] dccp_write_xmit+0x128/0x208 [ 108.356070][ T4914] dccp_sendmsg+0x608/0xae0 [ 108.357318][ T4914] inet_sendmsg+0x15c/0x290 [ 108.358529][ T4914] __sys_sendto+0x388/0x4d0 [ 108.359709][ T4914] __arm64_sys_sendto+0xd8/0xf8 [ 108.361027][ T4914] invoke_syscall+0x98/0x2b8 [ 108.362243][ T4914] el0_svc_common+0x138/0x258 [ 108.363517][ T4914] do_el0_svc+0x58/0x14c [ 108.364668][ T4914] el0_svc+0x7c/0x1f0 [ 108.365720][ T4914] el0t_64_sync_handler+0x84/0xe4 [ 108.367080][ T4914] el0t_64_sync+0x1a0/0x1a4 [ 108.439703][ T4916] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 108.444113][ T4916] CPU: 0 PID: 4916 Comm: syz.0.46 Not tainted 5.15.178-syzkaller #0 [ 108.446237][ T4916] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 108.448923][ T4916] Call trace: [ 108.449893][ T4916] dump_backtrace+0x0/0x530 [ 108.451117][ T4916] show_stack+0x2c/0x3c [ 108.452279][ T4916] dump_stack_lvl+0x108/0x170 [ 108.453468][ T4916] dump_stack+0x1c/0x58 [ 108.454511][ T4916] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 108.455982][ T4916] dccp_xmit_packet+0x298/0x448 [ 108.457255][ T4916] dccp_write_xmit+0x128/0x208 [ 108.458423][ T4916] dccp_sendmsg+0x608/0xae0 [ 108.459583][ T4916] inet_sendmsg+0x15c/0x290 [ 108.460714][ T4916] __sys_sendto+0x388/0x4d0 [ 108.461858][ T4916] __arm64_sys_sendto+0xd8/0xf8 [ 108.463166][ T4916] invoke_syscall+0x98/0x2b8 [ 108.464312][ T4916] el0_svc_common+0x138/0x258 [ 108.465546][ T4916] do_el0_svc+0x58/0x14c [ 108.466684][ T4916] el0_svc+0x7c/0x1f0 [ 108.467717][ T4916] el0t_64_sync_handler+0x84/0xe4 [ 108.468983][ T4916] el0t_64_sync+0x1a0/0x1a4 [ 108.472398][ T4916] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 108.475426][ T4916] CPU: 0 PID: 4916 Comm: syz.0.46 Not tainted 5.15.178-syzkaller #0 [ 108.477569][ T4916] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 108.480210][ T4916] Call trace: [ 108.481107][ T4916] dump_backtrace+0x0/0x530 [ 108.482348][ T4916] show_stack+0x2c/0x3c [ 108.483474][ T4916] dump_stack_lvl+0x108/0x170 [ 108.484737][ T4916] dump_stack+0x1c/0x58 [ 108.485788][ T4916] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 108.487225][ T4916] dccp_xmit_packet+0x298/0x448 [ 108.488432][ T4916] dccp_write_xmit+0x128/0x208 [ 108.489645][ T4916] dccp_sendmsg+0x608/0xae0 [ 108.490827][ T4916] inet_sendmsg+0x15c/0x290 [ 108.491976][ T4916] __sys_sendto+0x388/0x4d0 [ 108.493269][ T4916] __arm64_sys_sendto+0xd8/0xf8 [ 108.494551][ T4916] invoke_syscall+0x98/0x2b8 [ 108.495807][ T4916] el0_svc_common+0x138/0x258 [ 108.497088][ T4916] do_el0_svc+0x58/0x14c [ 108.498275][ T4916] el0_svc+0x7c/0x1f0 [ 108.499365][ T4916] el0t_64_sync_handler+0x84/0xe4 [ 108.500706][ T4916] el0t_64_sync+0x1a0/0x1a4 [ 108.503754][ T4916] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 108.506718][ T4916] CPU: 0 PID: 4916 Comm: syz.0.46 Not tainted 5.15.178-syzkaller #0 [ 108.508914][ T4916] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 108.511558][ T4916] Call trace: [ 108.512414][ T4916] dump_backtrace+0x0/0x530 [ 108.513543][ T4916] show_stack+0x2c/0x3c [ 108.514560][ T4916] dump_stack_lvl+0x108/0x170 [ 108.515724][ T4916] dump_stack+0x1c/0x58 [ 108.516807][ T4916] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 108.518206][ T4916] dccp_xmit_packet+0x298/0x448 [ 108.519414][ T4916] dccp_write_xmit+0x128/0x208 [ 108.520589][ T4916] dccp_sendmsg+0x608/0xae0 [ 108.521727][ T4916] inet_sendmsg+0x15c/0x290 [ 108.522884][ T4916] __sys_sendto+0x388/0x4d0 [ 108.524042][ T4916] __arm64_sys_sendto+0xd8/0xf8 [ 108.525285][ T4916] invoke_syscall+0x98/0x2b8 [ 108.526461][ T4916] el0_svc_common+0x138/0x258 [ 108.527598][ T4916] do_el0_svc+0x58/0x14c [ 108.528715][ T4916] el0_svc+0x7c/0x1f0 [ 108.529705][ T4916] el0t_64_sync_handler+0x84/0xe4 [ 108.531088][ T4916] el0t_64_sync+0x1a0/0x1a4 [ 108.534558][ T4916] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 108.537416][ T4916] CPU: 0 PID: 4916 Comm: syz.0.46 Not tainted 5.15.178-syzkaller #0 [ 108.539361][ T4916] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 108.542014][ T4916] Call trace: [ 108.542892][ T4916] dump_backtrace+0x0/0x530 [ 108.544135][ T4916] show_stack+0x2c/0x3c [ 108.545236][ T4916] dump_stack_lvl+0x108/0x170 [ 108.546489][ T4916] dump_stack+0x1c/0x58 [ 108.547548][ T4916] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 108.549000][ T4916] dccp_xmit_packet+0x298/0x448 [ 108.550347][ T4916] dccp_write_xmit+0x128/0x208 [ 108.551606][ T4916] dccp_sendmsg+0x608/0xae0 [ 108.552823][ T4916] inet_sendmsg+0x15c/0x290 [ 108.554136][ T4916] __sys_sendto+0x388/0x4d0 [ 108.555325][ T4916] __arm64_sys_sendto+0xd8/0xf8 [ 108.556618][ T4916] invoke_syscall+0x98/0x2b8 [ 108.557892][ T4916] el0_svc_common+0x138/0x258 [ 108.559116][ T4916] do_el0_svc+0x58/0x14c [ 108.560186][ T4916] el0_svc+0x7c/0x1f0 [ 108.561188][ T4916] el0t_64_sync_handler+0x84/0xe4 [ 108.562659][ T4916] el0t_64_sync+0x1a0/0x1a4 [ 108.566083][ T4916] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 108.568916][ T4916] CPU: 0 PID: 4916 Comm: syz.0.46 Not tainted 5.15.178-syzkaller #0 [ 108.570907][ T4916] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 108.573497][ T4916] Call trace: [ 108.574318][ T4916] dump_backtrace+0x0/0x530 [ 108.575504][ T4916] show_stack+0x2c/0x3c [ 108.576576][ T4916] dump_stack_lvl+0x108/0x170 [ 108.577763][ T4916] dump_stack+0x1c/0x58 [ 108.578833][ T4916] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 108.580222][ T4916] dccp_xmit_packet+0x298/0x448 [ 108.581500][ T4916] dccp_write_xmit+0x128/0x208 [ 108.582739][ T4916] dccp_sendmsg+0x608/0xae0 [ 108.583878][ T4916] inet_sendmsg+0x15c/0x290 [ 108.584989][ T4916] __sys_sendto+0x388/0x4d0 [ 108.586150][ T4916] __arm64_sys_sendto+0xd8/0xf8 [ 108.587343][ T4916] invoke_syscall+0x98/0x2b8 [ 108.588470][ T4916] el0_svc_common+0x138/0x258 [ 108.589652][ T4916] do_el0_svc+0x58/0x14c [ 108.590699][ T4916] el0_svc+0x7c/0x1f0 [ 108.591707][ T4916] el0t_64_sync_handler+0x84/0xe4 [ 108.593086][ T4916] el0t_64_sync+0x1a0/0x1a4 [ 108.596035][ T4916] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 108.598960][ T4916] CPU: 0 PID: 4916 Comm: syz.0.46 Not tainted 5.15.178-syzkaller #0 [ 108.601081][ T4916] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 108.603827][ T4916] Call trace: [ 108.604646][ T4916] dump_backtrace+0x0/0x530 [ 108.605818][ T4916] show_stack+0x2c/0x3c [ 108.606966][ T4916] dump_stack_lvl+0x108/0x170 [ 108.608145][ T4916] dump_stack+0x1c/0x58 [ 108.609197][ T4916] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 108.610561][ T4916] dccp_xmit_packet+0x298/0x448 [ 108.611787][ T4916] dccp_write_xmit+0x128/0x208 [ 108.612967][ T4916] dccp_sendmsg+0x608/0xae0 [ 108.614089][ T4916] inet_sendmsg+0x15c/0x290 [ 108.615288][ T4916] __sys_sendto+0x388/0x4d0 [ 108.616426][ T4916] __arm64_sys_sendto+0xd8/0xf8 [ 108.617675][ T4916] invoke_syscall+0x98/0x2b8 [ 108.618844][ T4916] el0_svc_common+0x138/0x258 [ 108.620065][ T4916] do_el0_svc+0x58/0x14c [ 108.621212][ T4916] el0_svc+0x7c/0x1f0 [ 108.622239][ T4916] el0t_64_sync_handler+0x84/0xe4 [ 108.623557][ T4916] el0t_64_sync+0x1a0/0x1a4 [ 108.626471][ T4916] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 108.629484][ T4916] CPU: 0 PID: 4916 Comm: syz.0.46 Not tainted 5.15.178-syzkaller #0 [ 108.631639][ T4916] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 108.634354][ T4916] Call trace: [ 108.635222][ T4916] dump_backtrace+0x0/0x530 [ 108.636423][ T4916] show_stack+0x2c/0x3c [ 108.637489][ T4916] dump_stack_lvl+0x108/0x170 [ 108.638713][ T4916] dump_stack+0x1c/0x58 [ 108.639842][ T4916] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 108.641322][ T4916] dccp_xmit_packet+0x298/0x448 [ 108.642589][ T4916] dccp_write_xmit+0x128/0x208 [ 108.643911][ T4916] dccp_sendmsg+0x608/0xae0 [ 108.645134][ T4916] inet_sendmsg+0x15c/0x290 [ 108.646320][ T4916] __sys_sendto+0x388/0x4d0 [ 108.647682][ T4916] __arm64_sys_sendto+0xd8/0xf8 [ 108.648981][ T4916] invoke_syscall+0x98/0x2b8 [ 108.650244][ T4916] el0_svc_common+0x138/0x258 [ 108.651481][ T4916] do_el0_svc+0x58/0x14c [ 108.652653][ T4916] el0_svc+0x7c/0x1f0 [ 108.653668][ T4916] el0t_64_sync_handler+0x84/0xe4 [ 108.655013][ T4916] el0t_64_sync+0x1a0/0x1a4 [ 108.667309][ T4916] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 108.670325][ T4916] CPU: 0 PID: 4916 Comm: syz.0.46 Not tainted 5.15.178-syzkaller #0 [ 108.672460][ T4916] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 108.675052][ T4916] Call trace: [ 108.675973][ T4916] dump_backtrace+0x0/0x530 [ 108.677216][ T4916] show_stack+0x2c/0x3c [ 108.678386][ T4916] dump_stack_lvl+0x108/0x170 [ 108.679715][ T4916] dump_stack+0x1c/0x58 [ 108.680855][ T4916] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 108.682308][ T4916] dccp_xmit_packet+0x298/0x448 [ 108.683570][ T4916] dccp_write_xmit+0x128/0x208 [ 108.684818][ T4916] dccp_sendmsg+0x608/0xae0 [ 108.686062][ T4916] inet_sendmsg+0x15c/0x290 [ 108.687273][ T4916] __sys_sendto+0x388/0x4d0 [ 108.688498][ T4916] __arm64_sys_sendto+0xd8/0xf8 [ 108.689832][ T4916] invoke_syscall+0x98/0x2b8 [ 108.691074][ T4916] el0_svc_common+0x138/0x258 [ 108.692313][ T4916] do_el0_svc+0x58/0x14c [ 108.693448][ T4916] el0_svc+0x7c/0x1f0 [ 108.694587][ T4916] el0t_64_sync_handler+0x84/0xe4 [ 108.695932][ T4916] el0t_64_sync+0x1a0/0x1a4 [ 108.699047][ T4916] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 108.702107][ T4916] CPU: 0 PID: 4916 Comm: syz.0.46 Not tainted 5.15.178-syzkaller #0 [ 108.704203][ T4916] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 108.706873][ T4916] Call trace: [ 108.707732][ T4916] dump_backtrace+0x0/0x530 [ 108.708938][ T4916] show_stack+0x2c/0x3c [ 108.710047][ T4916] dump_stack_lvl+0x108/0x170 [ 108.711298][ T4916] dump_stack+0x1c/0x58 [ 108.712349][ T4916] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 108.713882][ T4916] dccp_xmit_packet+0x298/0x448 [ 108.715271][ T4916] dccp_write_xmit+0x128/0x208 [ 108.716531][ T4916] dccp_sendmsg+0x608/0xae0 [ 108.717724][ T4916] inet_sendmsg+0x15c/0x290 [ 108.718924][ T4916] __sys_sendto+0x388/0x4d0 [ 108.720154][ T4916] __arm64_sys_sendto+0xd8/0xf8 [ 108.721436][ T4916] invoke_syscall+0x98/0x2b8 [ 108.722697][ T4916] el0_svc_common+0x138/0x258 [ 108.723963][ T4916] do_el0_svc+0x58/0x14c [ 108.725108][ T4916] el0_svc+0x7c/0x1f0 [ 108.726132][ T4916] el0t_64_sync_handler+0x84/0xe4 [ 108.727501][ T4916] el0t_64_sync+0x1a0/0x1a4 [ 108.768408][ T4918] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 108.772353][ T4918] CPU: 0 PID: 4918 Comm: syz.0.47 Not tainted 5.15.178-syzkaller #0 [ 108.774576][ T4918] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 108.777256][ T4918] Call trace: [ 108.778093][ T4918] dump_backtrace+0x0/0x530 [ 108.779262][ T4918] show_stack+0x2c/0x3c [ 108.780288][ T4918] dump_stack_lvl+0x108/0x170 [ 108.781496][ T4918] dump_stack+0x1c/0x58 [ 108.782577][ T4918] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 108.783939][ T4918] dccp_xmit_packet+0x298/0x448 [ 108.785164][ T4918] dccp_write_xmit+0x128/0x208 [ 108.786323][ T4918] dccp_sendmsg+0x608/0xae0 [ 108.787443][ T4918] inet_sendmsg+0x15c/0x290 [ 108.788578][ T4918] __sys_sendto+0x388/0x4d0 [ 108.789848][ T4918] __arm64_sys_sendto+0xd8/0xf8 [ 108.791149][ T4918] invoke_syscall+0x98/0x2b8 [ 108.792356][ T4918] el0_svc_common+0x138/0x258 [ 108.793581][ T4918] do_el0_svc+0x58/0x14c [ 108.794699][ T4918] el0_svc+0x7c/0x1f0 [ 108.795775][ T4918] el0t_64_sync_handler+0x84/0xe4 [ 108.797137][ T4918] el0t_64_sync+0x1a0/0x1a4 [ 108.801984][ T4918] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 108.805103][ T4918] CPU: 0 PID: 4918 Comm: syz.0.47 Not tainted 5.15.178-syzkaller #0 [ 108.807183][ T4918] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 108.809902][ T4918] Call trace: [ 108.810762][ T4918] dump_backtrace+0x0/0x530 [ 108.811987][ T4918] show_stack+0x2c/0x3c [ 108.813136][ T4918] dump_stack_lvl+0x108/0x170 [ 108.814400][ T4918] dump_stack+0x1c/0x58 [ 108.815540][ T4918] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 108.817051][ T4918] dccp_xmit_packet+0x298/0x448 [ 108.818368][ T4918] dccp_write_xmit+0x128/0x208 [ 108.819585][ T4918] dccp_sendmsg+0x608/0xae0 [ 108.820706][ T4918] inet_sendmsg+0x15c/0x290 [ 108.821882][ T4918] __sys_sendto+0x388/0x4d0 [ 108.823226][ T4918] __arm64_sys_sendto+0xd8/0xf8 [ 108.824534][ T4918] invoke_syscall+0x98/0x2b8 [ 108.825691][ T4918] el0_svc_common+0x138/0x258 [ 108.826941][ T4918] do_el0_svc+0x58/0x14c [ 108.828105][ T4918] el0_svc+0x7c/0x1f0 [ 108.829192][ T4918] el0t_64_sync_handler+0x84/0xe4 [ 108.830475][ T4918] el0t_64_sync+0x1a0/0x1a4 [ 108.833346][ T4918] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 108.836568][ T4918] CPU: 0 PID: 4918 Comm: syz.0.47 Not tainted 5.15.178-syzkaller #0 [ 108.838709][ T4918] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 108.841366][ T4918] Call trace: [ 108.842242][ T4918] dump_backtrace+0x0/0x530 [ 108.843449][ T4918] show_stack+0x2c/0x3c [ 108.844598][ T4918] dump_stack_lvl+0x108/0x170 [ 108.845861][ T4918] dump_stack+0x1c/0x58 [ 108.847074][ T4918] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 108.848540][ T4918] dccp_xmit_packet+0x298/0x448 [ 108.849868][ T4918] dccp_write_xmit+0x128/0x208 [ 108.851214][ T4918] dccp_sendmsg+0x608/0xae0 [ 108.852504][ T4918] inet_sendmsg+0x15c/0x290 [ 108.853762][ T4918] __sys_sendto+0x388/0x4d0 [ 108.855032][ T4918] __arm64_sys_sendto+0xd8/0xf8 [ 108.856338][ T4918] invoke_syscall+0x98/0x2b8 [ 108.857665][ T4918] el0_svc_common+0x138/0x258 [ 108.858968][ T4918] do_el0_svc+0x58/0x14c [ 108.860155][ T4918] el0_svc+0x7c/0x1f0 [ 108.861232][ T4918] el0t_64_sync_handler+0x84/0xe4 [ 108.862610][ T4918] el0t_64_sync+0x1a0/0x1a4 [ 108.865586][ T4918] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 108.868860][ T4918] CPU: 0 PID: 4918 Comm: syz.0.47 Not tainted 5.15.178-syzkaller #0 [ 108.871025][ T4918] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 108.873820][ T4918] Call trace: [ 108.874678][ T4918] dump_backtrace+0x0/0x530 [ 108.875936][ T4918] show_stack+0x2c/0x3c [ 108.877053][ T4918] dump_stack_lvl+0x108/0x170 [ 108.878272][ T4918] dump_stack+0x1c/0x58 [ 108.879398][ T4918] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 108.880843][ T4918] dccp_xmit_packet+0x298/0x448 [ 108.882171][ T4918] dccp_write_xmit+0x128/0x208 [ 108.883481][ T4918] dccp_sendmsg+0x608/0xae0 [ 108.884753][ T4918] inet_sendmsg+0x15c/0x290 [ 108.886004][ T4918] __sys_sendto+0x388/0x4d0 [ 108.887332][ T4918] __arm64_sys_sendto+0xd8/0xf8 [ 108.888677][ T4918] invoke_syscall+0x98/0x2b8 [ 108.889956][ T4918] el0_svc_common+0x138/0x258 [ 108.891295][ T4918] do_el0_svc+0x58/0x14c [ 108.892468][ T4918] el0_svc+0x7c/0x1f0 [ 108.893603][ T4918] el0t_64_sync_handler+0x84/0xe4 [ 108.894941][ T4918] el0t_64_sync+0x1a0/0x1a4 [ 108.898758][ T4918] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 108.902628][ T4918] CPU: 0 PID: 4918 Comm: syz.0.47 Not tainted 5.15.178-syzkaller #0 [ 108.904833][ T4918] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 108.907713][ T4918] Call trace: [ 108.908633][ T4918] dump_backtrace+0x0/0x530 [ 108.909895][ T4918] show_stack+0x2c/0x3c [ 108.911055][ T4918] dump_stack_lvl+0x108/0x170 [ 108.912316][ T4918] dump_stack+0x1c/0x58 [ 108.913443][ T4918] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 108.914933][ T4918] dccp_xmit_packet+0x298/0x448 [ 108.916224][ T4918] dccp_write_xmit+0x128/0x208 [ 108.917566][ T4918] dccp_sendmsg+0x608/0xae0 [ 108.918808][ T4918] inet_sendmsg+0x15c/0x290 [ 108.920034][ T4918] __sys_sendto+0x388/0x4d0 [ 108.921265][ T4918] __arm64_sys_sendto+0xd8/0xf8 [ 108.922608][ T4918] invoke_syscall+0x98/0x2b8 [ 108.923906][ T4918] el0_svc_common+0x138/0x258 [ 108.925183][ T4918] do_el0_svc+0x58/0x14c [ 108.926346][ T4918] el0_svc+0x7c/0x1f0 [ 108.927442][ T4918] el0t_64_sync_handler+0x84/0xe4 [ 108.928840][ T4918] el0t_64_sync+0x1a0/0x1a4 [ 108.931875][ T4918] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 108.934938][ T4918] CPU: 0 PID: 4918 Comm: syz.0.47 Not tainted 5.15.178-syzkaller #0 [ 108.937118][ T4918] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 108.939881][ T4918] Call trace: [ 108.940717][ T4918] dump_backtrace+0x0/0x530 [ 108.941998][ T4918] show_stack+0x2c/0x3c [ 108.943138][ T4918] dump_stack_lvl+0x108/0x170 [ 108.944291][ T4918] dump_stack+0x1c/0x58 [ 108.945304][ T4918] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 108.946654][ T4918] dccp_xmit_packet+0x298/0x448 [ 108.947879][ T4918] dccp_write_xmit+0x128/0x208 [ 108.949049][ T4918] dccp_sendmsg+0x608/0xae0 [ 108.950161][ T4918] inet_sendmsg+0x15c/0x290 [ 108.951359][ T4918] __sys_sendto+0x388/0x4d0 [ 108.952440][ T4918] __arm64_sys_sendto+0xd8/0xf8 [ 108.953693][ T4918] invoke_syscall+0x98/0x2b8 [ 108.955016][ T4918] el0_svc_common+0x138/0x258 [ 108.956338][ T4918] do_el0_svc+0x58/0x14c [ 108.957481][ T4918] el0_svc+0x7c/0x1f0 [ 108.958531][ T4918] el0t_64_sync_handler+0x84/0xe4 [ 108.959930][ T4918] el0t_64_sync+0x1a0/0x1a4 [ 108.962745][ T4918] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 108.965740][ T4918] CPU: 0 PID: 4918 Comm: syz.0.47 Not tainted 5.15.178-syzkaller #0 [ 108.967927][ T4918] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 108.970547][ T4918] Call trace: [ 108.971474][ T4918] dump_backtrace+0x0/0x530 [ 108.972695][ T4918] show_stack+0x2c/0x3c [ 108.973825][ T4918] dump_stack_lvl+0x108/0x170 [ 108.975146][ T4918] dump_stack+0x1c/0x58 [ 108.976339][ T4918] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 108.977885][ T4918] dccp_xmit_packet+0x298/0x448 [ 108.979207][ T4918] dccp_write_xmit+0x128/0x208 [ 108.980501][ T4918] dccp_sendmsg+0x608/0xae0 [ 108.981739][ T4918] inet_sendmsg+0x15c/0x290 [ 108.982941][ T4918] __sys_sendto+0x388/0x4d0 [ 108.984130][ T4918] __arm64_sys_sendto+0xd8/0xf8 [ 108.985429][ T4918] invoke_syscall+0x98/0x2b8 [ 108.986730][ T4918] el0_svc_common+0x138/0x258 [ 108.988038][ T4918] do_el0_svc+0x58/0x14c [ 108.989220][ T4918] el0_svc+0x7c/0x1f0 [ 108.990290][ T4918] el0t_64_sync_handler+0x84/0xe4 [ 108.991632][ T4918] el0t_64_sync+0x1a0/0x1a4 [ 108.994783][ T4918] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 108.997769][ T4918] CPU: 0 PID: 4918 Comm: syz.0.47 Not tainted 5.15.178-syzkaller #0 [ 108.999880][ T4918] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 109.002598][ T4918] Call trace: [ 109.003453][ T4918] dump_backtrace+0x0/0x530 [ 109.004719][ T4918] show_stack+0x2c/0x3c [ 109.005909][ T4918] dump_stack_lvl+0x108/0x170 [ 109.007216][ T4918] dump_stack+0x1c/0x58 [ 109.008312][ T4918] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 109.009821][ T4918] dccp_xmit_packet+0x298/0x448 [ 109.011103][ T4918] dccp_write_xmit+0x128/0x208 [ 109.012388][ T4918] dccp_sendmsg+0x608/0xae0 [ 109.013607][ T4918] inet_sendmsg+0x15c/0x290 [ 109.014934][ T4918] __sys_sendto+0x388/0x4d0 [ 109.016196][ T4918] __arm64_sys_sendto+0xd8/0xf8 [ 109.017538][ T4918] invoke_syscall+0x98/0x2b8 [ 109.018780][ T4918] el0_svc_common+0x138/0x258 [ 109.020134][ T4918] do_el0_svc+0x58/0x14c [ 109.021308][ T4918] el0_svc+0x7c/0x1f0 [ 109.022383][ T4918] el0t_64_sync_handler+0x84/0xe4 [ 109.023723][ T4918] el0t_64_sync+0x1a0/0x1a4 [ 109.028272][ T4918] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 109.031429][ T4918] CPU: 0 PID: 4918 Comm: syz.0.47 Not tainted 5.15.178-syzkaller #0 [ 109.033527][ T4918] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 109.036202][ T4918] Call trace: [ 109.037093][ T4918] dump_backtrace+0x0/0x530 [ 109.038266][ T4918] show_stack+0x2c/0x3c [ 109.039466][ T4918] dump_stack_lvl+0x108/0x170 [ 109.040744][ T4918] dump_stack+0x1c/0x58 [ 109.041874][ T4918] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 109.043244][ T4918] dccp_xmit_packet+0x298/0x448 [ 109.044443][ T4918] dccp_write_xmit+0x128/0x208 [ 109.045600][ T4918] dccp_sendmsg+0x608/0xae0 [ 109.046692][ T4918] inet_sendmsg+0x15c/0x290 [ 109.047790][ T4918] __sys_sendto+0x388/0x4d0 [ 109.048921][ T4918] __arm64_sys_sendto+0xd8/0xf8 [ 109.050139][ T4918] invoke_syscall+0x98/0x2b8 [ 109.051283][ T4918] el0_svc_common+0x138/0x258 [ 109.052432][ T4918] do_el0_svc+0x58/0x14c [ 109.053494][ T4918] el0_svc+0x7c/0x1f0 [ 109.054601][ T4918] el0t_64_sync_handler+0x84/0xe4 [ 109.055961][ T4918] el0t_64_sync+0x1a0/0x1a4 [ 109.058974][ T4918] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 109.062200][ T4918] CPU: 0 PID: 4918 Comm: syz.0.47 Not tainted 5.15.178-syzkaller #0 [ 109.064367][ T4918] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 109.067009][ T4918] Call trace: [ 109.067870][ T4918] dump_backtrace+0x0/0x530 [ 109.069120][ T4918] show_stack+0x2c/0x3c [ 109.070252][ T4918] dump_stack_lvl+0x108/0x170 [ 109.071540][ T4918] dump_stack+0x1c/0x58 [ 109.072791][ T4918] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 109.074278][ T4918] dccp_xmit_packet+0x298/0x448 [ 109.075608][ T4918] dccp_write_xmit+0x128/0x208 [ 109.076902][ T4918] dccp_sendmsg+0x608/0xae0 [ 109.078120][ T4918] inet_sendmsg+0x15c/0x290 [ 109.079416][ T4918] __sys_sendto+0x388/0x4d0 [ 109.080625][ T4918] __arm64_sys_sendto+0xd8/0xf8 [ 109.081969][ T4918] invoke_syscall+0x98/0x2b8 [ 109.083202][ T4918] el0_svc_common+0x138/0x258 [ 109.084462][ T4918] do_el0_svc+0x58/0x14c [ 109.085594][ T4918] el0_svc+0x7c/0x1f0 [ 109.086658][ T4918] el0t_64_sync_handler+0x84/0xe4 [ 109.088042][ T4918] el0t_64_sync+0x1a0/0x1a4 [ 109.139152][ T4920] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 109.144716][ T4920] CPU: 0 PID: 4920 Comm: syz.0.48 Not tainted 5.15.178-syzkaller #0 [ 109.146923][ T4920] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 109.149767][ T4920] Call trace: [ 109.150688][ T4920] dump_backtrace+0x0/0x530 [ 109.152017][ T4920] show_stack+0x2c/0x3c [ 109.153157][ T4920] dump_stack_lvl+0x108/0x170 [ 109.154428][ T4920] dump_stack+0x1c/0x58 [ 109.155532][ T4920] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 109.156980][ T4920] dccp_xmit_packet+0x298/0x448 [ 109.158294][ T4920] dccp_write_xmit+0x128/0x208 [ 109.159552][ T4920] dccp_sendmsg+0x608/0xae0 [ 109.160775][ T4920] inet_sendmsg+0x15c/0x290 [ 109.162041][ T4920] __sys_sendto+0x388/0x4d0 [ 109.163287][ T4920] __arm64_sys_sendto+0xd8/0xf8 [ 109.164625][ T4920] invoke_syscall+0x98/0x2b8 [ 109.165864][ T4920] el0_svc_common+0x138/0x258 [ 109.167135][ T4920] do_el0_svc+0x58/0x14c [ 109.168278][ T4920] el0_svc+0x7c/0x1f0 [ 109.169400][ T4920] el0t_64_sync_handler+0x84/0xe4 [ 109.170736][ T4920] el0t_64_sync+0x1a0/0x1a4 [ 109.172498][ T4920] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 109.175432][ T4920] CPU: 0 PID: 4920 Comm: syz.0.48 Not tainted 5.15.178-syzkaller #0 [ 109.177491][ T4920] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 109.180155][ T4920] Call trace: [ 109.180975][ T4920] dump_backtrace+0x0/0x530 [ 109.182209][ T4920] show_stack+0x2c/0x3c [ 109.183335][ T4920] dump_stack_lvl+0x108/0x170 [ 109.184483][ T4920] dump_stack+0x1c/0x58 [ 109.185578][ T4920] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 109.187070][ T4920] dccp_xmit_packet+0x298/0x448 [ 109.188321][ T4920] dccp_write_xmit+0x128/0x208 [ 109.189690][ T4920] dccp_sendmsg+0x608/0xae0 [ 109.190886][ T4920] inet_sendmsg+0x15c/0x290 [ 109.192100][ T4920] __sys_sendto+0x388/0x4d0 [ 109.193353][ T4920] __arm64_sys_sendto+0xd8/0xf8 [ 109.194674][ T4920] invoke_syscall+0x98/0x2b8 [ 109.195891][ T4920] el0_svc_common+0x138/0x258 [ 109.197210][ T4920] do_el0_svc+0x58/0x14c [ 109.198359][ T4920] el0_svc+0x7c/0x1f0 [ 109.199450][ T4920] el0t_64_sync_handler+0x84/0xe4 [ 109.200890][ T4920] el0t_64_sync+0x1a0/0x1a4 [ 109.204300][ T4920] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 109.207492][ T4920] CPU: 1 PID: 4920 Comm: syz.0.48 Not tainted 5.15.178-syzkaller #0 [ 109.209635][ T4920] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 109.212306][ T4920] Call trace: [ 109.213153][ T4920] dump_backtrace+0x0/0x530 [ 109.214380][ T4920] show_stack+0x2c/0x3c [ 109.215857][ T4920] dump_stack_lvl+0x108/0x170 [ 109.217135][ T4920] dump_stack+0x1c/0x58 [ 109.218206][ T4920] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 109.219663][ T4920] dccp_xmit_packet+0x298/0x448 [ 109.220951][ T4920] dccp_write_xmit+0x128/0x208 [ 109.222259][ T4920] dccp_sendmsg+0x608/0xae0 [ 109.223494][ T4920] inet_sendmsg+0x15c/0x290 [ 109.224696][ T4920] __sys_sendto+0x388/0x4d0 [ 109.225911][ T4920] __arm64_sys_sendto+0xd8/0xf8 [ 109.227301][ T4920] invoke_syscall+0x98/0x2b8 [ 109.228530][ T4920] el0_svc_common+0x138/0x258 [ 109.229793][ T4920] do_el0_svc+0x58/0x14c [ 109.230974][ T4920] el0_svc+0x7c/0x1f0 [ 109.232049][ T4920] el0t_64_sync_handler+0x84/0xe4 [ 109.233416][ T4920] el0t_64_sync+0x1a0/0x1a4 [ 109.236360][ T4920] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 109.239434][ T4920] CPU: 1 PID: 4920 Comm: syz.0.48 Not tainted 5.15.178-syzkaller #0 [ 109.241599][ T4920] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 109.244402][ T4920] Call trace: [ 109.245317][ T4920] dump_backtrace+0x0/0x530 [ 109.246512][ T4920] show_stack+0x2c/0x3c [ 109.247622][ T4920] dump_stack_lvl+0x108/0x170 [ 109.249017][ T4920] dump_stack+0x1c/0x58 [ 109.250104][ T4920] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 109.251510][ T4920] dccp_xmit_packet+0x298/0x448 [ 109.252707][ T4920] dccp_write_xmit+0x128/0x208 [ 109.253911][ T4920] dccp_sendmsg+0x608/0xae0 [ 109.255108][ T4920] inet_sendmsg+0x15c/0x290 [ 109.256272][ T4920] __sys_sendto+0x388/0x4d0 [ 109.257413][ T4920] __arm64_sys_sendto+0xd8/0xf8 [ 109.258676][ T4920] invoke_syscall+0x98/0x2b8 [ 109.259828][ T4920] el0_svc_common+0x138/0x258 [ 109.261054][ T4920] do_el0_svc+0x58/0x14c [ 109.262234][ T4920] el0_svc+0x7c/0x1f0 [ 109.263329][ T4920] el0t_64_sync_handler+0x84/0xe4 [ 109.264692][ T4920] el0t_64_sync+0x1a0/0x1a4 [ 109.267467][ T4920] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 109.270638][ T4920] CPU: 1 PID: 4920 Comm: syz.0.48 Not tainted 5.15.178-syzkaller #0 [ 109.272816][ T4920] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 109.275019][ T4920] Call trace: [ 109.275718][ T4920] dump_backtrace+0x0/0x530 [ 109.276693][ T4920] show_stack+0x2c/0x3c [ 109.277585][ T4920] dump_stack_lvl+0x108/0x170 [ 109.278695][ T4920] dump_stack+0x1c/0x58 [ 109.279801][ T4920] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 109.281239][ T4920] dccp_xmit_packet+0x298/0x448 [ 109.282573][ T4920] dccp_write_xmit+0x128/0x208 [ 109.283823][ T4920] dccp_sendmsg+0x608/0xae0 [ 109.285002][ T4920] inet_sendmsg+0x15c/0x290 [ 109.286203][ T4920] __sys_sendto+0x388/0x4d0 [ 109.287373][ T4920] __arm64_sys_sendto+0xd8/0xf8 [ 109.288658][ T4920] invoke_syscall+0x98/0x2b8 [ 109.289888][ T4920] el0_svc_common+0x138/0x258 [ 109.291158][ T4920] do_el0_svc+0x58/0x14c [ 109.292387][ T4920] el0_svc+0x7c/0x1f0 [ 109.293490][ T4920] el0t_64_sync_handler+0x84/0xe4 [ 109.294843][ T4920] el0t_64_sync+0x1a0/0x1a4 [ 109.298304][ T4920] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 109.301365][ T4920] CPU: 1 PID: 4920 Comm: syz.0.48 Not tainted 5.15.178-syzkaller #0 [ 109.303496][ T4920] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 109.306100][ T4920] Call trace: [ 109.306900][ T4920] dump_backtrace+0x0/0x530 [ 109.308054][ T4920] show_stack+0x2c/0x3c [ 109.309108][ T4920] dump_stack_lvl+0x108/0x170 [ 109.310280][ T4920] dump_stack+0x1c/0x58 [ 109.311390][ T4920] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 109.312798][ T4920] dccp_xmit_packet+0x298/0x448 [ 109.314063][ T4920] dccp_write_xmit+0x128/0x208 [ 109.315285][ T4920] dccp_sendmsg+0x608/0xae0 [ 109.316460][ T4920] inet_sendmsg+0x15c/0x290 [ 109.317692][ T4920] __sys_sendto+0x388/0x4d0 [ 109.318903][ T4920] __arm64_sys_sendto+0xd8/0xf8 [ 109.320222][ T4920] invoke_syscall+0x98/0x2b8 [ 109.321481][ T4920] el0_svc_common+0x138/0x258 [ 109.322721][ T4920] do_el0_svc+0x58/0x14c [ 109.323905][ T4920] el0_svc+0x7c/0x1f0 [ 109.324953][ T4920] el0t_64_sync_handler+0x84/0xe4 [ 109.326349][ T4920] el0t_64_sync+0x1a0/0x1a4 [ 109.329199][ T4920] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 109.332286][ T4920] CPU: 1 PID: 4920 Comm: syz.0.48 Not tainted 5.15.178-syzkaller #0 [ 109.334362][ T4920] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 109.337054][ T4920] Call trace: [ 109.337855][ T4920] dump_backtrace+0x0/0x530 [ 109.339131][ T4920] show_stack+0x2c/0x3c [ 109.340257][ T4920] dump_stack_lvl+0x108/0x170 [ 109.341518][ T4920] dump_stack+0x1c/0x58 [ 109.342645][ T4920] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 109.344105][ T4920] dccp_xmit_packet+0x298/0x448 [ 109.345463][ T4920] dccp_write_xmit+0x128/0x208 [ 109.346775][ T4920] dccp_sendmsg+0x608/0xae0 [ 109.348003][ T4920] inet_sendmsg+0x15c/0x290 [ 109.349229][ T4920] __sys_sendto+0x388/0x4d0 [ 109.350409][ T4920] __arm64_sys_sendto+0xd8/0xf8 [ 109.351669][ T4920] invoke_syscall+0x98/0x2b8 [ 109.352922][ T4920] el0_svc_common+0x138/0x258 [ 109.354209][ T4920] do_el0_svc+0x58/0x14c [ 109.355487][ T4920] el0_svc+0x7c/0x1f0 [ 109.356567][ T4920] el0t_64_sync_handler+0x84/0xe4 [ 109.357982][ T4920] el0t_64_sync+0x1a0/0x1a4 [ 109.361879][ T4920] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 109.364975][ T4920] CPU: 1 PID: 4920 Comm: syz.0.48 Not tainted 5.15.178-syzkaller #0 [ 109.367151][ T4920] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 109.369817][ T4920] Call trace: [ 109.370711][ T4920] dump_backtrace+0x0/0x530 [ 109.371883][ T4920] show_stack+0x2c/0x3c [ 109.372950][ T4920] dump_stack_lvl+0x108/0x170 [ 109.374233][ T4920] dump_stack+0x1c/0x58 [ 109.375476][ T4920] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 109.376965][ T4920] dccp_xmit_packet+0x298/0x448 [ 109.378266][ T4920] dccp_write_xmit+0x128/0x208 [ 109.379620][ T4920] dccp_sendmsg+0x608/0xae0 [ 109.380846][ T4920] inet_sendmsg+0x15c/0x290 [ 109.382089][ T4920] __sys_sendto+0x388/0x4d0 [ 109.383286][ T4920] __arm64_sys_sendto+0xd8/0xf8 [ 109.384582][ T4920] invoke_syscall+0x98/0x2b8 [ 109.385852][ T4920] el0_svc_common+0x138/0x258 [ 109.387046][ T4920] do_el0_svc+0x58/0x14c [ 109.388174][ T4920] el0_svc+0x7c/0x1f0 [ 109.389276][ T4920] el0t_64_sync_handler+0x84/0xe4 [ 109.390698][ T4920] el0t_64_sync+0x1a0/0x1a4 [ 109.395083][ T4920] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 109.398106][ T4920] CPU: 1 PID: 4920 Comm: syz.0.48 Not tainted 5.15.178-syzkaller #0 [ 109.400193][ T4920] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 109.402823][ T4920] Call trace: [ 109.403688][ T4920] dump_backtrace+0x0/0x530 [ 109.404914][ T4920] show_stack+0x2c/0x3c [ 109.406018][ T4920] dump_stack_lvl+0x108/0x170 [ 109.407276][ T4920] dump_stack+0x1c/0x58 [ 109.408426][ T4920] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 109.409892][ T4920] dccp_xmit_packet+0x298/0x448 [ 109.411204][ T4920] dccp_write_xmit+0x128/0x208 [ 109.412442][ T4920] dccp_sendmsg+0x608/0xae0 [ 109.413644][ T4920] inet_sendmsg+0x15c/0x290 [ 109.414851][ T4920] __sys_sendto+0x388/0x4d0 [ 109.416109][ T4920] __arm64_sys_sendto+0xd8/0xf8 [ 109.417396][ T4920] invoke_syscall+0x98/0x2b8 [ 109.418636][ T4920] el0_svc_common+0x138/0x258 [ 109.419889][ T4920] do_el0_svc+0x58/0x14c [ 109.421112][ T4920] el0_svc+0x7c/0x1f0 [ 109.422213][ T4920] el0t_64_sync_handler+0x84/0xe4 [ 109.423531][ T4920] el0t_64_sync+0x1a0/0x1a4 [ 109.473996][ T4922] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 109.477027][ T4922] CPU: 1 PID: 4922 Comm: syz.0.49 Not tainted 5.15.178-syzkaller #0 [ 109.479206][ T4922] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 109.481927][ T4922] Call trace: [ 109.482809][ T4922] dump_backtrace+0x0/0x530 [ 109.484024][ T4922] show_stack+0x2c/0x3c [ 109.485128][ T4922] dump_stack_lvl+0x108/0x170 [ 109.486345][ T4922] dump_stack+0x1c/0x58 [ 109.487423][ T4922] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 109.488815][ T4922] dccp_xmit_packet+0x298/0x448 [ 109.490174][ T4922] dccp_write_xmit+0x128/0x208 [ 109.491405][ T4922] dccp_sendmsg+0x608/0xae0 [ 109.492632][ T4922] inet_sendmsg+0x15c/0x290 [ 109.493811][ T4922] __sys_sendto+0x388/0x4d0 [ 109.495066][ T4922] __arm64_sys_sendto+0xd8/0xf8 [ 109.496379][ T4922] invoke_syscall+0x98/0x2b8 [ 109.497633][ T4922] el0_svc_common+0x138/0x258 [ 109.498864][ T4922] do_el0_svc+0x58/0x14c [ 109.500084][ T4922] el0_svc+0x7c/0x1f0 [ 109.501106][ T4922] el0t_64_sync_handler+0x84/0xe4 [ 109.502414][ T4922] el0t_64_sync+0x1a0/0x1a4 [ 109.504924][ T4922] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 109.507837][ T4922] CPU: 1 PID: 4922 Comm: syz.0.49 Not tainted 5.15.178-syzkaller #0 [ 109.510090][ T4922] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 109.512724][ T4922] Call trace: [ 109.513593][ T4922] dump_backtrace+0x0/0x530 [ 109.514810][ T4922] show_stack+0x2c/0x3c [ 109.515939][ T4922] dump_stack_lvl+0x108/0x170 [ 109.517201][ T4922] dump_stack+0x1c/0x58 [ 109.518326][ T4922] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 109.519772][ T4922] dccp_xmit_packet+0x298/0x448 [ 109.520999][ T4922] dccp_write_xmit+0x128/0x208 [ 109.522297][ T4922] dccp_sendmsg+0x608/0xae0 [ 109.523449][ T4922] inet_sendmsg+0x15c/0x290 [ 109.524595][ T4922] __sys_sendto+0x388/0x4d0 [ 109.525810][ T4922] __arm64_sys_sendto+0xd8/0xf8 [ 109.527199][ T4922] invoke_syscall+0x98/0x2b8 [ 109.528378][ T4922] el0_svc_common+0x138/0x258 [ 109.529636][ T4922] do_el0_svc+0x58/0x14c [ 109.530756][ T4922] el0_svc+0x7c/0x1f0 [ 109.531779][ T4922] el0t_64_sync_handler+0x84/0xe4 [ 109.533138][ T4922] el0t_64_sync+0x1a0/0x1a4 [ 109.535201][ T4922] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 109.538374][ T4922] CPU: 1 PID: 4922 Comm: syz.0.49 Not tainted 5.15.178-syzkaller #0 [ 109.540483][ T4922] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 109.543306][ T4922] Call trace: [ 109.544166][ T4922] dump_backtrace+0x0/0x530 [ 109.545396][ T4922] show_stack+0x2c/0x3c [ 109.546530][ T4922] dump_stack_lvl+0x108/0x170 [ 109.547823][ T4922] dump_stack+0x1c/0x58 [ 109.548922][ T4922] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 109.550402][ T4922] dccp_xmit_packet+0x298/0x448 [ 109.551722][ T4922] dccp_write_xmit+0x128/0x208 [ 109.553004][ T4922] dccp_sendmsg+0x608/0xae0 [ 109.554379][ T4922] inet_sendmsg+0x15c/0x290 [ 109.555680][ T4922] __sys_sendto+0x388/0x4d0 [ 109.556856][ T4922] __arm64_sys_sendto+0xd8/0xf8 [ 109.558141][ T4922] invoke_syscall+0x98/0x2b8 [ 109.559352][ T4922] el0_svc_common+0x138/0x258 [ 109.560558][ T4922] do_el0_svc+0x58/0x14c [ 109.561592][ T4922] el0_svc+0x7c/0x1f0 [ 109.562664][ T4922] el0t_64_sync_handler+0x84/0xe4 [ 109.563969][ T4922] el0t_64_sync+0x1a0/0x1a4 [ 109.565587][ T4922] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 109.568711][ T4922] CPU: 1 PID: 4922 Comm: syz.0.49 Not tainted 5.15.178-syzkaller #0 [ 109.570844][ T4922] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 109.573490][ T4922] Call trace: [ 109.574402][ T4922] dump_backtrace+0x0/0x530 [ 109.575655][ T4922] show_stack+0x2c/0x3c [ 109.576772][ T4922] dump_stack_lvl+0x108/0x170 [ 109.578027][ T4922] dump_stack+0x1c/0x58 [ 109.579137][ T4922] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 109.580526][ T4922] dccp_xmit_packet+0x298/0x448 [ 109.581810][ T4922] dccp_write_xmit+0x128/0x208 [ 109.583065][ T4922] dccp_sendmsg+0x608/0xae0 [ 109.584270][ T4922] inet_sendmsg+0x15c/0x290 [ 109.585469][ T4922] __sys_sendto+0x388/0x4d0 [ 109.586702][ T4922] __arm64_sys_sendto+0xd8/0xf8 [ 109.587940][ T4922] invoke_syscall+0x98/0x2b8 [ 109.589183][ T4922] el0_svc_common+0x138/0x258 [ 109.590456][ T4922] do_el0_svc+0x58/0x14c [ 109.591559][ T4922] el0_svc+0x7c/0x1f0 [ 109.592629][ T4922] el0t_64_sync_handler+0x84/0xe4 [ 109.593946][ T4922] el0t_64_sync+0x1a0/0x1a4 [ 109.595877][ T4922] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 109.598959][ T4922] CPU: 1 PID: 4922 Comm: syz.0.49 Not tainted 5.15.178-syzkaller #0 [ 109.601094][ T4922] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 109.603654][ T4922] Call trace: [ 109.604507][ T4922] dump_backtrace+0x0/0x530 [ 109.605724][ T4922] show_stack+0x2c/0x3c [ 109.606841][ T4922] dump_stack_lvl+0x108/0x170 [ 109.608144][ T4922] dump_stack+0x1c/0x58 [ 109.609226][ T4922] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 109.610653][ T4922] dccp_xmit_packet+0x298/0x448 [ 109.611974][ T4922] dccp_write_xmit+0x128/0x208 [ 109.613279][ T4922] dccp_sendmsg+0x608/0xae0 [ 109.614493][ T4922] inet_sendmsg+0x15c/0x290 [ 109.615706][ T4922] __sys_sendto+0x388/0x4d0 [ 109.616949][ T4922] __arm64_sys_sendto+0xd8/0xf8 [ 109.618284][ T4922] invoke_syscall+0x98/0x2b8 [ 109.619570][ T4922] el0_svc_common+0x138/0x258 [ 109.620818][ T4922] do_el0_svc+0x58/0x14c [ 109.621924][ T4922] el0_svc+0x7c/0x1f0 [ 109.622976][ T4922] el0t_64_sync_handler+0x84/0xe4 [ 109.624334][ T4922] el0t_64_sync+0x1a0/0x1a4 [ 109.625917][ T4922] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 109.628942][ T4922] CPU: 1 PID: 4922 Comm: syz.0.49 Not tainted 5.15.178-syzkaller #0 [ 109.631102][ T4922] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 109.633770][ T4922] Call trace: [ 109.634696][ T4922] dump_backtrace+0x0/0x530 [ 109.635884][ T4922] show_stack+0x2c/0x3c [ 109.636963][ T4922] dump_stack_lvl+0x108/0x170 [ 109.638210][ T4922] dump_stack+0x1c/0x58 [ 109.639302][ T4922] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 109.640761][ T4922] dccp_xmit_packet+0x298/0x448 [ 109.642137][ T4922] dccp_write_xmit+0x128/0x208 [ 109.643480][ T4922] dccp_sendmsg+0x608/0xae0 [ 109.644671][ T4922] inet_sendmsg+0x15c/0x290 [ 109.645880][ T4922] __sys_sendto+0x388/0x4d0 [ 109.647116][ T4922] __arm64_sys_sendto+0xd8/0xf8 [ 109.648448][ T4922] invoke_syscall+0x98/0x2b8 [ 109.649629][ T4922] el0_svc_common+0x138/0x258 [ 109.650810][ T4922] do_el0_svc+0x58/0x14c [ 109.651906][ T4922] el0_svc+0x7c/0x1f0 [ 109.652940][ T4922] el0t_64_sync_handler+0x84/0xe4 [ 109.654230][ T4922] el0t_64_sync+0x1a0/0x1a4 [ 109.655819][ T4922] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 109.658714][ T4922] CPU: 1 PID: 4922 Comm: syz.0.49 Not tainted 5.15.178-syzkaller #0 [ 109.660744][ T4922] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 109.663648][ T4922] Call trace: [ 109.664579][ T4922] dump_backtrace+0x0/0x530 [ 109.665835][ T4922] show_stack+0x2c/0x3c [ 109.666976][ T4922] dump_stack_lvl+0x108/0x170 [ 109.668334][ T4922] dump_stack+0x1c/0x58 [ 109.669412][ T4922] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 109.670917][ T4922] dccp_xmit_packet+0x298/0x448 [ 109.672235][ T4922] dccp_write_xmit+0x128/0x208 [ 109.673485][ T4922] dccp_sendmsg+0x608/0xae0 [ 109.674716][ T4922] inet_sendmsg+0x15c/0x290 [ 109.675908][ T4922] __sys_sendto+0x388/0x4d0 [ 109.677330][ T4922] __arm64_sys_sendto+0xd8/0xf8 [ 109.678696][ T4922] invoke_syscall+0x98/0x2b8 [ 109.679958][ T4922] el0_svc_common+0x138/0x258 [ 109.681169][ T4922] do_el0_svc+0x58/0x14c [ 109.682278][ T4922] el0_svc+0x7c/0x1f0 [ 109.683369][ T4922] el0t_64_sync_handler+0x84/0xe4 [ 109.684711][ T4922] el0t_64_sync+0x1a0/0x1a4 [ 109.686247][ T4922] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 109.689180][ T4922] CPU: 1 PID: 4922 Comm: syz.0.49 Not tainted 5.15.178-syzkaller #0 [ 109.691306][ T4922] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 109.694196][ T4922] Call trace: [ 109.695112][ T4922] dump_backtrace+0x0/0x530 [ 109.696315][ T4922] show_stack+0x2c/0x3c [ 109.697422][ T4922] dump_stack_lvl+0x108/0x170 [ 109.698664][ T4922] dump_stack+0x1c/0x58 [ 109.699958][ T4922] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 109.701419][ T4922] dccp_xmit_packet+0x298/0x448 [ 109.702777][ T4922] dccp_write_xmit+0x128/0x208 [ 109.704005][ T4922] dccp_sendmsg+0x608/0xae0 [ 109.705265][ T4922] inet_sendmsg+0x15c/0x290 [ 109.706510][ T4922] __sys_sendto+0x388/0x4d0 [ 109.707778][ T4922] __arm64_sys_sendto+0xd8/0xf8 [ 109.709169][ T4922] invoke_syscall+0x98/0x2b8 [ 109.710440][ T4922] el0_svc_common+0x138/0x258 [ 109.711685][ T4922] do_el0_svc+0x58/0x14c [ 109.712797][ T4922] el0_svc+0x7c/0x1f0 [ 109.713941][ T4922] el0t_64_sync_handler+0x84/0xe4 [ 109.715265][ T4922] el0t_64_sync+0x1a0/0x1a4 [ 109.717178][ T4922] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 109.720234][ T4922] CPU: 1 PID: 4922 Comm: syz.0.49 Not tainted 5.15.178-syzkaller #0 [ 109.722444][ T4922] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 109.725163][ T4922] Call trace: [ 109.726081][ T4922] dump_backtrace+0x0/0x530 [ 109.727292][ T4922] show_stack+0x2c/0x3c [ 109.728406][ T4922] dump_stack_lvl+0x108/0x170 [ 109.729673][ T4922] dump_stack+0x1c/0x58 [ 109.730792][ T4922] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 109.732235][ T4922] dccp_xmit_packet+0x298/0x448 [ 109.733568][ T4922] dccp_write_xmit+0x128/0x208 [ 109.734793][ T4922] dccp_sendmsg+0x608/0xae0 [ 109.736005][ T4922] inet_sendmsg+0x15c/0x290 [ 109.737255][ T4922] __sys_sendto+0x388/0x4d0 [ 109.738520][ T4922] __arm64_sys_sendto+0xd8/0xf8 [ 109.739825][ T4922] invoke_syscall+0x98/0x2b8 [ 109.741117][ T4922] el0_svc_common+0x138/0x258 [ 109.742407][ T4922] do_el0_svc+0x58/0x14c [ 109.743620][ T4922] el0_svc+0x7c/0x1f0 [ 109.744732][ T4922] el0t_64_sync_handler+0x84/0xe4 [ 109.746110][ T4922] el0t_64_sync+0x1a0/0x1a4 [ 109.781342][ T4924] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 109.784490][ T4924] CPU: 0 PID: 4924 Comm: syz.0.50 Not tainted 5.15.178-syzkaller #0 [ 109.786619][ T4924] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 109.789198][ T4924] Call trace: [ 109.790079][ T4924] dump_backtrace+0x0/0x530 [ 109.791354][ T4924] show_stack+0x2c/0x3c [ 109.792451][ T4924] dump_stack_lvl+0x108/0x170 [ 109.793686][ T4924] dump_stack+0x1c/0x58 [ 109.794856][ T4924] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 109.796319][ T4924] dccp_xmit_packet+0x298/0x448 [ 109.797638][ T4924] dccp_write_xmit+0x128/0x208 [ 109.798910][ T4924] dccp_sendmsg+0x608/0xae0 [ 109.800155][ T4924] inet_sendmsg+0x15c/0x290 [ 109.801334][ T4924] __sys_sendto+0x388/0x4d0 [ 109.802618][ T4924] __arm64_sys_sendto+0xd8/0xf8 [ 109.803888][ T4924] invoke_syscall+0x98/0x2b8 [ 109.805106][ T4924] el0_svc_common+0x138/0x258 [ 109.806385][ T4924] do_el0_svc+0x58/0x14c [ 109.807527][ T4924] el0_svc+0x7c/0x1f0 [ 109.808584][ T4924] el0t_64_sync_handler+0x84/0xe4 [ 109.809948][ T4924] el0t_64_sync+0x1a0/0x1a4 [ 109.813434][ T4924] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 109.816502][ T4924] CPU: 0 PID: 4924 Comm: syz.0.50 Not tainted 5.15.178-syzkaller #0 [ 109.818605][ T4924] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 109.821230][ T4924] Call trace: [ 109.822106][ T4924] dump_backtrace+0x0/0x530 [ 109.823352][ T4924] show_stack+0x2c/0x3c [ 109.824441][ T4924] dump_stack_lvl+0x108/0x170 [ 109.825679][ T4924] dump_stack+0x1c/0x58 [ 109.826779][ T4924] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 109.828300][ T4924] dccp_xmit_packet+0x298/0x448 [ 109.829575][ T4924] dccp_write_xmit+0x128/0x208 [ 109.830850][ T4924] dccp_sendmsg+0x608/0xae0 [ 109.832049][ T4924] inet_sendmsg+0x15c/0x290 [ 109.833277][ T4924] __sys_sendto+0x388/0x4d0 [ 109.834495][ T4924] __arm64_sys_sendto+0xd8/0xf8 [ 109.835853][ T4924] invoke_syscall+0x98/0x2b8 [ 109.837105][ T4924] el0_svc_common+0x138/0x258 [ 109.838472][ T4924] do_el0_svc+0x58/0x14c [ 109.839625][ T4924] el0_svc+0x7c/0x1f0 [ 109.840720][ T4924] el0t_64_sync_handler+0x84/0xe4 [ 109.842069][ T4924] el0t_64_sync+0x1a0/0x1a4 [ 109.844314][ T4924] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 109.847405][ T4924] CPU: 0 PID: 4924 Comm: syz.0.50 Not tainted 5.15.178-syzkaller #0 [ 109.849551][ T4924] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 109.852312][ T4924] Call trace: [ 109.853191][ T4924] dump_backtrace+0x0/0x530 [ 109.854410][ T4924] show_stack+0x2c/0x3c [ 109.855527][ T4924] dump_stack_lvl+0x108/0x170 [ 109.856856][ T4924] dump_stack+0x1c/0x58 [ 109.858027][ T4924] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 109.859506][ T4924] dccp_xmit_packet+0x298/0x448 [ 109.860809][ T4924] dccp_write_xmit+0x128/0x208 [ 109.862152][ T4924] dccp_sendmsg+0x608/0xae0 [ 109.863332][ T4924] inet_sendmsg+0x15c/0x290 [ 109.864558][ T4924] __sys_sendto+0x388/0x4d0 [ 109.865733][ T4924] __arm64_sys_sendto+0xd8/0xf8 [ 109.867077][ T4924] invoke_syscall+0x98/0x2b8 [ 109.868301][ T4924] el0_svc_common+0x138/0x258 [ 109.869544][ T4924] do_el0_svc+0x58/0x14c [ 109.870657][ T4924] el0_svc+0x7c/0x1f0 [ 109.871696][ T4924] el0t_64_sync_handler+0x84/0xe4 [ 109.873028][ T4924] el0t_64_sync+0x1a0/0x1a4 [ 109.874657][ T4924] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 109.877708][ T4924] CPU: 0 PID: 4924 Comm: syz.0.50 Not tainted 5.15.178-syzkaller #0 [ 109.879874][ T4924] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 109.882660][ T4924] Call trace: [ 109.883578][ T4924] dump_backtrace+0x0/0x530 [ 109.884825][ T4924] show_stack+0x2c/0x3c [ 109.885934][ T4924] dump_stack_lvl+0x108/0x170 [ 109.887297][ T4924] dump_stack+0x1c/0x58 [ 109.888440][ T4924] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 109.889974][ T4924] dccp_xmit_packet+0x298/0x448 [ 109.891249][ T4924] dccp_write_xmit+0x128/0x208 [ 109.892533][ T4924] dccp_sendmsg+0x608/0xae0 [ 109.893723][ T4924] inet_sendmsg+0x15c/0x290 [ 109.894912][ T4924] __sys_sendto+0x388/0x4d0 [ 109.896163][ T4924] __arm64_sys_sendto+0xd8/0xf8 [ 109.897470][ T4924] invoke_syscall+0x98/0x2b8 [ 109.898665][ T4924] el0_svc_common+0x138/0x258 [ 109.899956][ T4924] do_el0_svc+0x58/0x14c [ 109.901129][ T4924] el0_svc+0x7c/0x1f0 [ 109.902237][ T4924] el0t_64_sync_handler+0x84/0xe4 [ 109.903629][ T4924] el0t_64_sync+0x1a0/0x1a4 [ 109.905295][ T4924] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 109.908356][ T4924] CPU: 0 PID: 4924 Comm: syz.0.50 Not tainted 5.15.178-syzkaller #0 [ 109.910553][ T4924] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 109.913237][ T4924] Call trace: [ 109.914105][ T4924] dump_backtrace+0x0/0x530 [ 109.915305][ T4924] show_stack+0x2c/0x3c [ 109.916416][ T4924] dump_stack_lvl+0x108/0x170 [ 109.917699][ T4924] dump_stack+0x1c/0x58 [ 109.918782][ T4924] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 109.920255][ T4924] dccp_xmit_packet+0x298/0x448 [ 109.921553][ T4924] dccp_write_xmit+0x128/0x208 [ 109.922875][ T4924] dccp_sendmsg+0x608/0xae0 [ 109.924033][ T4924] inet_sendmsg+0x15c/0x290 [ 109.925236][ T4924] __sys_sendto+0x388/0x4d0 [ 109.926483][ T4924] __arm64_sys_sendto+0xd8/0xf8 [ 109.927785][ T4924] invoke_syscall+0x98/0x2b8 [ 109.929040][ T4924] el0_svc_common+0x138/0x258 [ 109.930383][ T4924] do_el0_svc+0x58/0x14c [ 109.931542][ T4924] el0_svc+0x7c/0x1f0 [ 109.932597][ T4924] el0t_64_sync_handler+0x84/0xe4 [ 109.933888][ T4924] el0t_64_sync+0x1a0/0x1a4 [ 109.936111][ T4924] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 109.939121][ T4924] CPU: 0 PID: 4924 Comm: syz.0.50 Not tainted 5.15.178-syzkaller #0 [ 109.941309][ T4924] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 109.944120][ T4924] Call trace: [ 109.944984][ T4924] dump_backtrace+0x0/0x530 [ 109.946194][ T4924] show_stack+0x2c/0x3c [ 109.947284][ T4924] dump_stack_lvl+0x108/0x170 [ 109.948572][ T4924] dump_stack+0x1c/0x58 [ 109.949668][ T4924] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 109.951093][ T4924] dccp_xmit_packet+0x298/0x448 [ 109.952431][ T4924] dccp_write_xmit+0x128/0x208 [ 109.953676][ T4924] dccp_sendmsg+0x608/0xae0 [ 109.954926][ T4924] inet_sendmsg+0x15c/0x290 [ 109.956132][ T4924] __sys_sendto+0x388/0x4d0 [ 109.957351][ T4924] __arm64_sys_sendto+0xd8/0xf8 [ 109.958572][ T4924] invoke_syscall+0x98/0x2b8 [ 109.959816][ T4924] el0_svc_common+0x138/0x258 [ 109.961064][ T4924] do_el0_svc+0x58/0x14c [ 109.962180][ T4924] el0_svc+0x7c/0x1f0 [ 109.963275][ T4924] el0t_64_sync_handler+0x84/0xe4 [ 109.964630][ T4924] el0t_64_sync+0x1a0/0x1a4 [ 109.966238][ T4924] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 109.969144][ T4924] CPU: 0 PID: 4924 Comm: syz.0.50 Not tainted 5.15.178-syzkaller #0 [ 109.971231][ T4924] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 109.973857][ T4924] Call trace: [ 109.974742][ T4924] dump_backtrace+0x0/0x530 [ 109.975921][ T4924] show_stack+0x2c/0x3c [ 109.977053][ T4924] dump_stack_lvl+0x108/0x170 [ 109.978297][ T4924] dump_stack+0x1c/0x58 [ 109.979396][ T4924] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 109.980864][ T4924] dccp_xmit_packet+0x298/0x448 [ 109.982238][ T4924] dccp_write_xmit+0x128/0x208 [ 109.983548][ T4924] dccp_sendmsg+0x608/0xae0 [ 109.984701][ T4924] inet_sendmsg+0x15c/0x290 [ 109.985891][ T4924] __sys_sendto+0x388/0x4d0 [ 109.987133][ T4924] __arm64_sys_sendto+0xd8/0xf8 [ 109.988393][ T4924] invoke_syscall+0x98/0x2b8 [ 109.989612][ T4924] el0_svc_common+0x138/0x258 [ 109.990893][ T4924] do_el0_svc+0x58/0x14c [ 109.992051][ T4924] el0_svc+0x7c/0x1f0 [ 109.993112][ T4924] el0t_64_sync_handler+0x84/0xe4 [ 109.994425][ T4924] el0t_64_sync+0x1a0/0x1a4 [ 109.995951][ T4924] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 109.998920][ T4924] CPU: 0 PID: 4924 Comm: syz.0.50 Not tainted 5.15.178-syzkaller #0 [ 110.001105][ T4924] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 110.003777][ T4924] Call trace: [ 110.004661][ T4924] dump_backtrace+0x0/0x530 [ 110.005835][ T4924] show_stack+0x2c/0x3c [ 110.006977][ T4924] dump_stack_lvl+0x108/0x170 [ 110.008229][ T4924] dump_stack+0x1c/0x58 [ 110.009340][ T4924] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 110.010828][ T4924] dccp_xmit_packet+0x298/0x448 [ 110.012127][ T4924] dccp_write_xmit+0x128/0x208 [ 110.013419][ T4924] dccp_sendmsg+0x608/0xae0 [ 110.014580][ T4924] inet_sendmsg+0x15c/0x290 [ 110.015835][ T4924] __sys_sendto+0x388/0x4d0 [ 110.016987][ T4924] __arm64_sys_sendto+0xd8/0xf8 [ 110.018236][ T4924] invoke_syscall+0x98/0x2b8 [ 110.019451][ T4924] el0_svc_common+0x138/0x258 [ 110.020703][ T4924] do_el0_svc+0x58/0x14c [ 110.021785][ T4924] el0_svc+0x7c/0x1f0 [ 110.022897][ T4924] el0t_64_sync_handler+0x84/0xe4 [ 110.024318][ T4924] el0t_64_sync+0x1a0/0x1a4 [ 110.025927][ T4924] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 110.028838][ T4924] CPU: 0 PID: 4924 Comm: syz.0.50 Not tainted 5.15.178-syzkaller #0 [ 110.030933][ T4924] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 110.033698][ T4924] Call trace: [ 110.034589][ T4924] dump_backtrace+0x0/0x530 [ 110.035813][ T4924] show_stack+0x2c/0x3c [ 110.036929][ T4924] dump_stack_lvl+0x108/0x170 [ 110.038168][ T4924] dump_stack+0x1c/0x58 [ 110.039287][ T4924] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 110.040754][ T4924] dccp_xmit_packet+0x298/0x448 [ 110.042037][ T4924] dccp_write_xmit+0x128/0x208 [ 110.043265][ T4924] dccp_sendmsg+0x608/0xae0 [ 110.044434][ T4924] inet_sendmsg+0x15c/0x290 [ 110.045652][ T4924] __sys_sendto+0x388/0x4d0 [ 110.046850][ T4924] __arm64_sys_sendto+0xd8/0xf8 [ 110.048120][ T4924] invoke_syscall+0x98/0x2b8 [ 110.049373][ T4924] el0_svc_common+0x138/0x258 [ 110.050577][ T4924] do_el0_svc+0x58/0x14c [ 110.051725][ T4924] el0_svc+0x7c/0x1f0 [ 110.052752][ T4924] el0t_64_sync_handler+0x84/0xe4 [ 110.054078][ T4924] el0t_64_sync+0x1a0/0x1a4 [ 110.089118][ T4926] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 110.092713][ T4926] CPU: 0 PID: 4926 Comm: syz.0.51 Not tainted 5.15.178-syzkaller #0 [ 110.094801][ T4926] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 110.097485][ T4926] Call trace: [ 110.098328][ T4926] dump_backtrace+0x0/0x530 [ 110.099573][ T4926] show_stack+0x2c/0x3c [ 110.100642][ T4926] dump_stack_lvl+0x108/0x170 [ 110.101966][ T4926] dump_stack+0x1c/0x58 [ 110.103109][ T4926] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 110.104555][ T4926] dccp_xmit_packet+0x298/0x448 [ 110.105881][ T4926] dccp_write_xmit+0x128/0x208 [ 110.107210][ T4926] dccp_sendmsg+0x608/0xae0 [ 110.108400][ T4926] inet_sendmsg+0x15c/0x290 [ 110.109605][ T4926] __sys_sendto+0x388/0x4d0 [ 110.110841][ T4926] __arm64_sys_sendto+0xd8/0xf8 [ 110.112121][ T4926] invoke_syscall+0x98/0x2b8 [ 110.113361][ T4926] el0_svc_common+0x138/0x258 [ 110.114634][ T4926] do_el0_svc+0x58/0x14c [ 110.115787][ T4926] el0_svc+0x7c/0x1f0 [ 110.116832][ T4926] el0t_64_sync_handler+0x84/0xe4 [ 110.118160][ T4926] el0t_64_sync+0x1a0/0x1a4 [ 110.121777][ T4926] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 110.124833][ T4926] CPU: 0 PID: 4926 Comm: syz.0.51 Not tainted 5.15.178-syzkaller #0 [ 110.126909][ T4926] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 110.129621][ T4926] Call trace: [ 110.130493][ T4926] dump_backtrace+0x0/0x530 [ 110.131694][ T4926] show_stack+0x2c/0x3c [ 110.132874][ T4926] dump_stack_lvl+0x108/0x170 [ 110.134131][ T4926] dump_stack+0x1c/0x58 [ 110.135292][ T4926] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 110.136810][ T4926] dccp_xmit_packet+0x298/0x448 [ 110.138149][ T4926] dccp_write_xmit+0x128/0x208 [ 110.139432][ T4926] dccp_sendmsg+0x608/0xae0 [ 110.140604][ T4926] inet_sendmsg+0x15c/0x290 [ 110.141852][ T4926] __sys_sendto+0x388/0x4d0 [ 110.143115][ T4926] __arm64_sys_sendto+0xd8/0xf8 [ 110.144383][ T4926] invoke_syscall+0x98/0x2b8 [ 110.145625][ T4926] el0_svc_common+0x138/0x258 [ 110.146858][ T4926] do_el0_svc+0x58/0x14c [ 110.148020][ T4926] el0_svc+0x7c/0x1f0 [ 110.149193][ T4926] el0t_64_sync_handler+0x84/0xe4 [ 110.150588][ T4926] el0t_64_sync+0x1a0/0x1a4 [ 110.152197][ T4926] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 110.155316][ T4926] CPU: 0 PID: 4926 Comm: syz.0.51 Not tainted 5.15.178-syzkaller #0 [ 110.157385][ T4926] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 110.160125][ T4926] Call trace: [ 110.161036][ T4926] dump_backtrace+0x0/0x530 [ 110.162308][ T4926] show_stack+0x2c/0x3c [ 110.163381][ T4926] dump_stack_lvl+0x108/0x170 [ 110.164626][ T4926] dump_stack+0x1c/0x58 [ 110.165677][ T4926] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 110.167297][ T4926] dccp_xmit_packet+0x298/0x448 [ 110.168613][ T4926] dccp_write_xmit+0x128/0x208 [ 110.169889][ T4926] dccp_sendmsg+0x608/0xae0 [ 110.171086][ T4926] inet_sendmsg+0x15c/0x290 [ 110.172274][ T4926] __sys_sendto+0x388/0x4d0 [ 110.173463][ T4926] __arm64_sys_sendto+0xd8/0xf8 [ 110.174730][ T4926] invoke_syscall+0x98/0x2b8 [ 110.175939][ T4926] el0_svc_common+0x138/0x258 [ 110.177174][ T4926] do_el0_svc+0x58/0x14c [ 110.178284][ T4926] el0_svc+0x7c/0x1f0 [ 110.179311][ T4926] el0t_64_sync_handler+0x84/0xe4 [ 110.180640][ T4926] el0t_64_sync+0x1a0/0x1a4 [ 110.182874][ T4926] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 110.185873][ T4926] CPU: 0 PID: 4926 Comm: syz.0.51 Not tainted 5.15.178-syzkaller #0 [ 110.188045][ T4926] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 110.190718][ T4926] Call trace: [ 110.191658][ T4926] dump_backtrace+0x0/0x530 [ 110.192915][ T4926] show_stack+0x2c/0x3c [ 110.194004][ T4926] dump_stack_lvl+0x108/0x170 [ 110.195232][ T4926] dump_stack+0x1c/0x58 [ 110.196370][ T4926] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 110.197929][ T4926] dccp_xmit_packet+0x298/0x448 [ 110.199266][ T4926] dccp_write_xmit+0x128/0x208 [ 110.200544][ T4926] dccp_sendmsg+0x608/0xae0 [ 110.201719][ T4926] inet_sendmsg+0x15c/0x290 [ 110.202965][ T4926] __sys_sendto+0x388/0x4d0 [ 110.204197][ T4926] __arm64_sys_sendto+0xd8/0xf8 [ 110.205632][ T4926] invoke_syscall+0x98/0x2b8 [ 110.206837][ T4926] el0_svc_common+0x138/0x258 [ 110.208187][ T4926] do_el0_svc+0x58/0x14c [ 110.209304][ T4926] el0_svc+0x7c/0x1f0 [ 110.210350][ T4926] el0t_64_sync_handler+0x84/0xe4 [ 110.211677][ T4926] el0t_64_sync+0x1a0/0x1a4 [ 110.213210][ T4926] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 110.216103][ T4926] CPU: 0 PID: 4926 Comm: syz.0.51 Not tainted 5.15.178-syzkaller #0 [ 110.218291][ T4926] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 110.220901][ T4926] Call trace: [ 110.221755][ T4926] dump_backtrace+0x0/0x530 [ 110.223040][ T4926] show_stack+0x2c/0x3c [ 110.224128][ T4926] dump_stack_lvl+0x108/0x170 [ 110.225382][ T4926] dump_stack+0x1c/0x58 [ 110.226540][ T4926] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 110.227971][ T4926] dccp_xmit_packet+0x298/0x448 [ 110.229284][ T4926] dccp_write_xmit+0x128/0x208 [ 110.230624][ T4926] dccp_sendmsg+0x608/0xae0 [ 110.231897][ T4926] inet_sendmsg+0x15c/0x290 [ 110.233111][ T4926] __sys_sendto+0x388/0x4d0 [ 110.234319][ T4926] __arm64_sys_sendto+0xd8/0xf8 [ 110.235683][ T4926] invoke_syscall+0x98/0x2b8 [ 110.236903][ T4926] el0_svc_common+0x138/0x258 [ 110.238145][ T4926] do_el0_svc+0x58/0x14c [ 110.239229][ T4926] el0_svc+0x7c/0x1f0 [ 110.240269][ T4926] el0t_64_sync_handler+0x84/0xe4 [ 110.241688][ T4926] el0t_64_sync+0x1a0/0x1a4 [ 110.243540][ T4926] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 110.246583][ T4926] CPU: 0 PID: 4926 Comm: syz.0.51 Not tainted 5.15.178-syzkaller #0 [ 110.248701][ T4926] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 110.251449][ T4926] Call trace: [ 110.252303][ T4926] dump_backtrace+0x0/0x530 [ 110.253549][ T4926] show_stack+0x2c/0x3c [ 110.254686][ T4926] dump_stack_lvl+0x108/0x170 [ 110.255927][ T4926] dump_stack+0x1c/0x58 [ 110.257058][ T4926] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 110.258568][ T4926] dccp_xmit_packet+0x298/0x448 [ 110.259923][ T4926] dccp_write_xmit+0x128/0x208 [ 110.261268][ T4926] dccp_sendmsg+0x608/0xae0 [ 110.262475][ T4926] inet_sendmsg+0x15c/0x290 [ 110.263680][ T4926] __sys_sendto+0x388/0x4d0 [ 110.264935][ T4926] __arm64_sys_sendto+0xd8/0xf8 [ 110.266223][ T4926] invoke_syscall+0x98/0x2b8 [ 110.267459][ T4926] el0_svc_common+0x138/0x258 [ 110.268727][ T4926] do_el0_svc+0x58/0x14c [ 110.269913][ T4926] el0_svc+0x7c/0x1f0 [ 110.270961][ T4926] el0t_64_sync_handler+0x84/0xe4 [ 110.272305][ T4926] el0t_64_sync+0x1a0/0x1a4 [ 110.273831][ T4926] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 110.276838][ T4926] CPU: 0 PID: 4926 Comm: syz.0.51 Not tainted 5.15.178-syzkaller #0 [ 110.278983][ T4926] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 110.281649][ T4926] Call trace: [ 110.282550][ T4926] dump_backtrace+0x0/0x530 [ 110.283750][ T4926] show_stack+0x2c/0x3c [ 110.284888][ T4926] dump_stack_lvl+0x108/0x170 [ 110.286121][ T4926] dump_stack+0x1c/0x58 [ 110.287227][ T4926] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 110.288702][ T4926] dccp_xmit_packet+0x298/0x448 [ 110.290017][ T4926] dccp_write_xmit+0x128/0x208 [ 110.291283][ T4926] dccp_sendmsg+0x608/0xae0 [ 110.292508][ T4926] inet_sendmsg+0x15c/0x290 [ 110.293739][ T4926] __sys_sendto+0x388/0x4d0 [ 110.295067][ T4926] __arm64_sys_sendto+0xd8/0xf8 [ 110.296619][ T4926] invoke_syscall+0x98/0x2b8 [ 110.297833][ T4926] el0_svc_common+0x138/0x258 [ 110.299154][ T4926] do_el0_svc+0x58/0x14c [ 110.300280][ T4926] el0_svc+0x7c/0x1f0 [ 110.301379][ T4926] el0t_64_sync_handler+0x84/0xe4 [ 110.302672][ T4926] el0t_64_sync+0x1a0/0x1a4 [ 110.304971][ T4926] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 110.307850][ T4926] CPU: 0 PID: 4926 Comm: syz.0.51 Not tainted 5.15.178-syzkaller #0 [ 110.310046][ T4926] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 110.312732][ T4926] Call trace: [ 110.313620][ T4926] dump_backtrace+0x0/0x530 [ 110.314770][ T4926] show_stack+0x2c/0x3c [ 110.315865][ T4926] dump_stack_lvl+0x108/0x170 [ 110.317197][ T4926] dump_stack+0x1c/0x58 [ 110.318341][ T4926] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 110.319813][ T4926] dccp_xmit_packet+0x298/0x448 [ 110.321189][ T4926] dccp_write_xmit+0x128/0x208 [ 110.322609][ T4926] dccp_sendmsg+0x608/0xae0 [ 110.323788][ T4926] inet_sendmsg+0x15c/0x290 [ 110.324969][ T4926] __sys_sendto+0x388/0x4d0 [ 110.326190][ T4926] __arm64_sys_sendto+0xd8/0xf8 [ 110.327538][ T4926] invoke_syscall+0x98/0x2b8 [ 110.328797][ T4926] el0_svc_common+0x138/0x258 [ 110.330147][ T4926] do_el0_svc+0x58/0x14c [ 110.331283][ T4926] el0_svc+0x7c/0x1f0 [ 110.332362][ T4926] el0t_64_sync_handler+0x84/0xe4 [ 110.333724][ T4926] el0t_64_sync+0x1a0/0x1a4 [ 110.335260][ T4926] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 110.338313][ T4926] CPU: 0 PID: 4926 Comm: syz.0.51 Not tainted 5.15.178-syzkaller #0 [ 110.340593][ T4926] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 110.343409][ T4926] Call trace: [ 110.344327][ T4926] dump_backtrace+0x0/0x530 [ 110.345518][ T4926] show_stack+0x2c/0x3c [ 110.346637][ T4926] dump_stack_lvl+0x108/0x170 [ 110.347854][ T4926] dump_stack+0x1c/0x58 [ 110.348937][ T4926] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 110.350356][ T4926] dccp_xmit_packet+0x298/0x448 [ 110.351743][ T4926] dccp_write_xmit+0x128/0x208 [ 110.352965][ T4926] dccp_sendmsg+0x608/0xae0 [ 110.354225][ T4926] inet_sendmsg+0x15c/0x290 [ 110.355491][ T4926] __sys_sendto+0x388/0x4d0 [ 110.356636][ T4926] __arm64_sys_sendto+0xd8/0xf8 [ 110.357956][ T4926] invoke_syscall+0x98/0x2b8 [ 110.359145][ T4926] el0_svc_common+0x138/0x258 [ 110.360444][ T4926] do_el0_svc+0x58/0x14c [ 110.361621][ T4926] el0_svc+0x7c/0x1f0 [ 110.362692][ T4926] el0t_64_sync_handler+0x84/0xe4 [ 110.364113][ T4926] el0t_64_sync+0x1a0/0x1a4 [ 110.395947][ T4928] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 110.399046][ T4928] CPU: 0 PID: 4928 Comm: syz.0.52 Not tainted 5.15.178-syzkaller #0 [ 110.401181][ T4928] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 110.403960][ T4928] Call trace: [ 110.404870][ T4928] dump_backtrace+0x0/0x530 [ 110.406138][ T4928] show_stack+0x2c/0x3c [ 110.407376][ T4928] dump_stack_lvl+0x108/0x170 [ 110.408604][ T4928] dump_stack+0x1c/0x58 [ 110.409743][ T4928] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 110.411221][ T4928] dccp_xmit_packet+0x298/0x448 [ 110.412485][ T4928] dccp_write_xmit+0x128/0x208 [ 110.413793][ T4928] dccp_sendmsg+0x608/0xae0 [ 110.415063][ T4928] inet_sendmsg+0x15c/0x290 [ 110.416293][ T4928] __sys_sendto+0x388/0x4d0 [ 110.417503][ T4928] __arm64_sys_sendto+0xd8/0xf8 [ 110.418759][ T4928] invoke_syscall+0x98/0x2b8 [ 110.420093][ T4928] el0_svc_common+0x138/0x258 [ 110.421351][ T4928] do_el0_svc+0x58/0x14c [ 110.422545][ T4928] el0_svc+0x7c/0x1f0 [ 110.423602][ T4928] el0t_64_sync_handler+0x84/0xe4 [ 110.424978][ T4928] el0t_64_sync+0x1a0/0x1a4 [ 110.427147][ T4928] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 110.430098][ T4928] CPU: 0 PID: 4928 Comm: syz.0.52 Not tainted 5.15.178-syzkaller #0 [ 110.432267][ T4928] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 110.435062][ T4928] Call trace: [ 110.435957][ T4928] dump_backtrace+0x0/0x530 [ 110.437171][ T4928] show_stack+0x2c/0x3c [ 110.438258][ T4928] dump_stack_lvl+0x108/0x170 [ 110.439519][ T4928] dump_stack+0x1c/0x58 [ 110.440612][ T4928] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 110.442129][ T4928] dccp_xmit_packet+0x298/0x448 [ 110.443463][ T4928] dccp_write_xmit+0x128/0x208 [ 110.444797][ T4928] dccp_sendmsg+0x608/0xae0 [ 110.446162][ T4928] inet_sendmsg+0x15c/0x290 [ 110.447379][ T4928] __sys_sendto+0x388/0x4d0 [ 110.448622][ T4928] __arm64_sys_sendto+0xd8/0xf8 [ 110.449943][ T4928] invoke_syscall+0x98/0x2b8 [ 110.451241][ T4928] el0_svc_common+0x138/0x258 [ 110.452486][ T4928] do_el0_svc+0x58/0x14c [ 110.453631][ T4928] el0_svc+0x7c/0x1f0 [ 110.454623][ T4928] el0t_64_sync_handler+0x84/0xe4 [ 110.455898][ T4928] el0t_64_sync+0x1a0/0x1a4 [ 110.458200][ T4928] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 110.461410][ T4928] CPU: 0 PID: 4928 Comm: syz.0.52 Not tainted 5.15.178-syzkaller #0 [ 110.463542][ T4928] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 110.466238][ T4928] Call trace: [ 110.467071][ T4928] dump_backtrace+0x0/0x530 [ 110.468249][ T4928] show_stack+0x2c/0x3c [ 110.469337][ T4928] dump_stack_lvl+0x108/0x170 [ 110.470587][ T4928] dump_stack+0x1c/0x58 [ 110.471704][ T4928] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 110.473177][ T4928] dccp_xmit_packet+0x298/0x448 [ 110.474498][ T4928] dccp_write_xmit+0x128/0x208 [ 110.475715][ T4928] dccp_sendmsg+0x608/0xae0 [ 110.476926][ T4928] inet_sendmsg+0x15c/0x290 [ 110.478144][ T4928] __sys_sendto+0x388/0x4d0 [ 110.479322][ T4928] __arm64_sys_sendto+0xd8/0xf8 [ 110.480622][ T4928] invoke_syscall+0x98/0x2b8 [ 110.481880][ T4928] el0_svc_common+0x138/0x258 [ 110.483119][ T4928] do_el0_svc+0x58/0x14c [ 110.484219][ T4928] el0_svc+0x7c/0x1f0 [ 110.485256][ T4928] el0t_64_sync_handler+0x84/0xe4 [ 110.486587][ T4928] el0t_64_sync+0x1a0/0x1a4 [ 110.488270][ T4928] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 110.491365][ T4928] CPU: 0 PID: 4928 Comm: syz.0.52 Not tainted 5.15.178-syzkaller #0 [ 110.493462][ T4928] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 110.496094][ T4928] Call trace: [ 110.496949][ T4928] dump_backtrace+0x0/0x530 [ 110.498178][ T4928] show_stack+0x2c/0x3c [ 110.499264][ T4928] dump_stack_lvl+0x108/0x170 [ 110.500440][ T4928] dump_stack+0x1c/0x58 [ 110.501546][ T4928] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 110.502934][ T4928] dccp_xmit_packet+0x298/0x448 [ 110.504254][ T4928] dccp_write_xmit+0x128/0x208 [ 110.505499][ T4928] dccp_sendmsg+0x608/0xae0 [ 110.506702][ T4928] inet_sendmsg+0x15c/0x290 [ 110.507928][ T4928] __sys_sendto+0x388/0x4d0 [ 110.509121][ T4928] __arm64_sys_sendto+0xd8/0xf8 [ 110.510419][ T4928] invoke_syscall+0x98/0x2b8 [ 110.511690][ T4928] el0_svc_common+0x138/0x258 [ 110.513002][ T4928] do_el0_svc+0x58/0x14c [ 110.514123][ T4928] el0_svc+0x7c/0x1f0 [ 110.515217][ T4928] el0t_64_sync_handler+0x84/0xe4 [ 110.516547][ T4928] el0t_64_sync+0x1a0/0x1a4 [ 110.518116][ T4928] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 110.521169][ T4928] CPU: 0 PID: 4928 Comm: syz.0.52 Not tainted 5.15.178-syzkaller #0 [ 110.523352][ T4928] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 110.526013][ T4928] Call trace: [ 110.526919][ T4928] dump_backtrace+0x0/0x530 [ 110.528108][ T4928] show_stack+0x2c/0x3c [ 110.529210][ T4928] dump_stack_lvl+0x108/0x170 [ 110.530431][ T4928] dump_stack+0x1c/0x58 [ 110.531512][ T4928] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 110.532911][ T4928] dccp_xmit_packet+0x298/0x448 [ 110.534235][ T4928] dccp_write_xmit+0x128/0x208 [ 110.535455][ T4928] dccp_sendmsg+0x608/0xae0 [ 110.536671][ T4928] inet_sendmsg+0x15c/0x290 [ 110.537944][ T4928] __sys_sendto+0x388/0x4d0 [ 110.539138][ T4928] __arm64_sys_sendto+0xd8/0xf8 [ 110.540438][ T4928] invoke_syscall+0x98/0x2b8 [ 110.541703][ T4928] el0_svc_common+0x138/0x258 [ 110.543031][ T4928] do_el0_svc+0x58/0x14c [ 110.544197][ T4928] el0_svc+0x7c/0x1f0 [ 110.545270][ T4928] el0t_64_sync_handler+0x84/0xe4 [ 110.546610][ T4928] el0t_64_sync+0x1a0/0x1a4 [ 110.549189][ T4928] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 110.552193][ T4928] CPU: 0 PID: 4928 Comm: syz.0.52 Not tainted 5.15.178-syzkaller #0 [ 110.554340][ T4928] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 110.557018][ T4928] Call trace: [ 110.557832][ T4928] dump_backtrace+0x0/0x530 [ 110.559068][ T4928] show_stack+0x2c/0x3c [ 110.560249][ T4928] dump_stack_lvl+0x108/0x170 [ 110.561576][ T4928] dump_stack+0x1c/0x58 [ 110.562736][ T4928] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 110.564225][ T4928] dccp_xmit_packet+0x298/0x448 [ 110.565632][ T4928] dccp_write_xmit+0x128/0x208 [ 110.566928][ T4928] dccp_sendmsg+0x608/0xae0 [ 110.568149][ T4928] inet_sendmsg+0x15c/0x290 [ 110.569363][ T4928] __sys_sendto+0x388/0x4d0 [ 110.570532][ T4928] __arm64_sys_sendto+0xd8/0xf8 [ 110.571849][ T4928] invoke_syscall+0x98/0x2b8 [ 110.573116][ T4928] el0_svc_common+0x138/0x258 [ 110.574338][ T4928] do_el0_svc+0x58/0x14c [ 110.575491][ T4928] el0_svc+0x7c/0x1f0 [ 110.576576][ T4928] el0t_64_sync_handler+0x84/0xe4 [ 110.577955][ T4928] el0t_64_sync+0x1a0/0x1a4 [ 110.579522][ T4928] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 110.582629][ T4928] CPU: 0 PID: 4928 Comm: syz.0.52 Not tainted 5.15.178-syzkaller #0 [ 110.584705][ T4928] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 110.587352][ T4928] Call trace: [ 110.588165][ T4928] dump_backtrace+0x0/0x530 [ 110.589324][ T4928] show_stack+0x2c/0x3c [ 110.590381][ T4928] dump_stack_lvl+0x108/0x170 [ 110.591661][ T4928] dump_stack+0x1c/0x58 [ 110.592847][ T4928] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 110.594316][ T4928] dccp_xmit_packet+0x298/0x448 [ 110.595629][ T4928] dccp_write_xmit+0x128/0x208 [ 110.596906][ T4928] dccp_sendmsg+0x608/0xae0 [ 110.598065][ T4928] inet_sendmsg+0x15c/0x290 [ 110.599338][ T4928] __sys_sendto+0x388/0x4d0 [ 110.600568][ T4928] __arm64_sys_sendto+0xd8/0xf8 [ 110.601843][ T4928] invoke_syscall+0x98/0x2b8 [ 110.603123][ T4928] el0_svc_common+0x138/0x258 [ 110.604342][ T4928] do_el0_svc+0x58/0x14c [ 110.605479][ T4928] el0_svc+0x7c/0x1f0 [ 110.606612][ T4928] el0t_64_sync_handler+0x84/0xe4 [ 110.607883][ T4928] el0t_64_sync+0x1a0/0x1a4 [ 110.609465][ T4928] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 110.612550][ T4928] CPU: 0 PID: 4928 Comm: syz.0.52 Not tainted 5.15.178-syzkaller #0 [ 110.614639][ T4928] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 110.617297][ T4928] Call trace: [ 110.618189][ T4928] dump_backtrace+0x0/0x530 [ 110.619430][ T4928] show_stack+0x2c/0x3c [ 110.620496][ T4928] dump_stack_lvl+0x108/0x170 [ 110.621775][ T4928] dump_stack+0x1c/0x58 [ 110.622865][ T4928] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 110.624328][ T4928] dccp_xmit_packet+0x298/0x448 [ 110.625650][ T4928] dccp_write_xmit+0x128/0x208 [ 110.626913][ T4928] dccp_sendmsg+0x608/0xae0 [ 110.628154][ T4928] inet_sendmsg+0x15c/0x290 [ 110.629411][ T4928] __sys_sendto+0x388/0x4d0 [ 110.630589][ T4928] __arm64_sys_sendto+0xd8/0xf8 [ 110.631922][ T4928] invoke_syscall+0x98/0x2b8 [ 110.633192][ T4928] el0_svc_common+0x138/0x258 [ 110.634439][ T4928] do_el0_svc+0x58/0x14c [ 110.635535][ T4928] el0_svc+0x7c/0x1f0 [ 110.636610][ T4928] el0t_64_sync_handler+0x84/0xe4 [ 110.637964][ T4928] el0t_64_sync+0x1a0/0x1a4 [ 110.639437][ T4928] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 110.642440][ T4928] CPU: 0 PID: 4928 Comm: syz.0.52 Not tainted 5.15.178-syzkaller #0 [ 110.644579][ T4928] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 110.647235][ T4928] Call trace: [ 110.648119][ T4928] dump_backtrace+0x0/0x530 [ 110.649315][ T4928] show_stack+0x2c/0x3c [ 110.650461][ T4928] dump_stack_lvl+0x108/0x170 [ 110.651721][ T4928] dump_stack+0x1c/0x58 [ 110.652790][ T4928] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 110.654325][ T4928] dccp_xmit_packet+0x298/0x448 [ 110.655659][ T4928] dccp_write_xmit+0x128/0x208 [ 110.656957][ T4928] dccp_sendmsg+0x608/0xae0 [ 110.658157][ T4928] inet_sendmsg+0x15c/0x290 [ 110.659380][ T4928] __sys_sendto+0x388/0x4d0 [ 110.660560][ T4928] __arm64_sys_sendto+0xd8/0xf8 [ 110.661877][ T4928] invoke_syscall+0x98/0x2b8 [ 110.663176][ T4928] el0_svc_common+0x138/0x258 [ 110.664507][ T4928] do_el0_svc+0x58/0x14c [ 110.665652][ T4928] el0_svc+0x7c/0x1f0 [ 110.666705][ T4928] el0t_64_sync_handler+0x84/0xe4 [ 110.668066][ T4928] el0t_64_sync+0x1a0/0x1a4 [ 110.702249][ T4930] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 110.705421][ T4930] CPU: 0 PID: 4930 Comm: syz.0.53 Not tainted 5.15.178-syzkaller #0 [ 110.707512][ T4930] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 110.710236][ T4930] Call trace: [ 110.711103][ T4930] dump_backtrace+0x0/0x530 [ 110.712310][ T4930] show_stack+0x2c/0x3c [ 110.713415][ T4930] dump_stack_lvl+0x108/0x170 [ 110.714626][ T4930] dump_stack+0x1c/0x58 [ 110.715747][ T4930] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 110.717211][ T4930] dccp_xmit_packet+0x298/0x448 [ 110.718502][ T4930] dccp_write_xmit+0x128/0x208 [ 110.719767][ T4930] dccp_sendmsg+0x608/0xae0 [ 110.721012][ T4930] inet_sendmsg+0x15c/0x290 [ 110.722258][ T4930] __sys_sendto+0x388/0x4d0 [ 110.723467][ T4930] __arm64_sys_sendto+0xd8/0xf8 [ 110.724732][ T4930] invoke_syscall+0x98/0x2b8 [ 110.725948][ T4930] el0_svc_common+0x138/0x258 [ 110.727159][ T4930] do_el0_svc+0x58/0x14c [ 110.728275][ T4930] el0_svc+0x7c/0x1f0 [ 110.729392][ T4930] el0t_64_sync_handler+0x84/0xe4 [ 110.730739][ T4930] el0t_64_sync+0x1a0/0x1a4 [ 110.732346][ T4930] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 110.735321][ T4930] CPU: 0 PID: 4930 Comm: syz.0.53 Not tainted 5.15.178-syzkaller #0 [ 110.737333][ T4930] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 110.739978][ T4930] Call trace: [ 110.740832][ T4930] dump_backtrace+0x0/0x530 [ 110.741977][ T4930] show_stack+0x2c/0x3c [ 110.743133][ T4930] dump_stack_lvl+0x108/0x170 [ 110.744363][ T4930] dump_stack+0x1c/0x58 [ 110.745489][ T4930] ccid3_hc_tx_packet_sent+0x250/0x2bc [ 110.746926][ T4930] dccp_xmit_packet+0x298/0x448 [ 110.748285][ T4930] dccp_write_xmit+0x128/0x208 [ 110.749568][ T4930] dccp_sendmsg+0x608/0xae0 [ 110.750754][ T4930] inet_sendmsg+0x15c/0x290 [ 110.751983][ T4930] __sys_sendto+0x388/0x4d0 [ 110.753259][ T4930] __arm64_sys_sendto+0xd8/0xf8 [ 110.754539][ T4930] invoke_syscall+0x98/0x2b8 [ 110.755767][ T4930] el0_svc_common+0x138/0x258 [ 110.757019][ T4930] do_el0_svc+0x58/0x14c [ 110.758148][ T4930] el0_svc+0x7c/0x1f0 [ 110.759182][ T4930] el0t_64_sync_handler+0x84/0xe4