[ 71.769658][ T1201] device hsr_slave_0 left promiscuous mode [ 71.777121][ T1201] device hsr_slave_1 left promiscuous mode [ 71.784100][ T1201] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 71.792285][ T1201] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 71.801427][ T1201] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 71.809284][ T1201] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 71.818032][ T1201] device bridge_slave_1 left promiscuous mode [ 71.824286][ T1201] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.833172][ T1201] device bridge_slave_0 left promiscuous mode [ 71.839752][ T1201] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.852919][ T1201] device veth1_macvtap left promiscuous mode [ 71.860990][ T1201] device veth0_macvtap left promiscuous mode [ 71.867056][ T1201] device veth1_vlan left promiscuous mode [ 71.872844][ T1201] device veth0_vlan left promiscuous mode [ 71.986730][ T1201] team0 (unregistering): Port device team_slave_1 removed [ 72.000672][ T1201] team0 (unregistering): Port device team_slave_0 removed [ 72.011564][ T1201] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 72.024748][ T1201] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 72.071138][ T1201] bond0 (unregistering): Released all slaves [ 76.430249][ T1107] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.0.168' (ED25519) to the list of known hosts. 2026/07/10 07:36:34 parsed 1 programs Setting up swapspace version 1, size = 127995904 bytes [ 81.181163][ T4493] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 82.767669][ T4525] chnl_net:caif_netlink_parms(): no params data found [ 82.804411][ T4525] bridge0: port 1(bridge_slave_0) entered blocking state [ 82.811584][ T4525] bridge0: port 1(bridge_slave_0) entered disabled state [ 82.820282][ T4525] device bridge_slave_0 entered promiscuous mode [ 82.828135][ T4525] bridge0: port 2(bridge_slave_1) entered blocking state [ 82.835235][ T4525] bridge0: port 2(bridge_slave_1) entered disabled state [ 82.844521][ T4525] device bridge_slave_1 entered promiscuous mode [ 82.868052][ T4525] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 82.879791][ T4525] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 82.903189][ T4525] team0: Port device team_slave_0 added [ 82.910779][ T4525] team0: Port device team_slave_1 added [ 82.932421][ T4525] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 82.939455][ T4525] 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. [ 82.965823][ T4525] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 82.978868][ T4525] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 82.987174][ T4525] 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. [ 83.014425][ T4525] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 83.050422][ T4525] device hsr_slave_0 entered promiscuous mode [ 83.057270][ T4525] device hsr_slave_1 entered promiscuous mode [ 83.557211][ T4525] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 83.578563][ T4525] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 83.598628][ T4525] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 83.618421][ T4525] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 83.667333][ T4525] bridge0: port 2(bridge_slave_1) entered blocking state [ 83.674424][ T4525] bridge0: port 2(bridge_slave_1) entered forwarding state [ 83.682153][ T4525] bridge0: port 1(bridge_slave_0) entered blocking state [ 83.689284][ T4525] bridge0: port 1(bridge_slave_0) entered forwarding state [ 83.710227][ T1276] bridge0: port 1(bridge_slave_0) entered disabled state [ 83.720060][ T1276] bridge0: port 2(bridge_slave_1) entered disabled state [ 83.761191][ T4525] 8021q: adding VLAN 0 to HW filter on device bond0 [ 83.778857][ T1276] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 83.789728][ T1276] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 83.809436][ T4525] 8021q: adding VLAN 0 to HW filter on device team0 [ 83.827214][ T1276] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 83.844687][ T1276] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 83.853767][ T1276] bridge0: port 1(bridge_slave_0) entered blocking state [ 83.860985][ T1276] bridge0: port 1(bridge_slave_0) entered forwarding state [ 83.888444][ T1276] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 83.897931][ T1276] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 83.911945][ T1276] bridge0: port 2(bridge_slave_1) entered blocking state [ 83.919075][ T1276] bridge0: port 2(bridge_slave_1) entered forwarding state [ 83.932651][ T1276] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 83.942834][ T1276] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 83.958945][ T3085] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 83.983732][ T3085] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 83.994403][ T3085] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 84.005435][ T1276] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 84.017552][ T1276] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 84.036870][ T4525] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 84.052651][ T4525] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 84.064601][ T1276] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 84.088033][ T1276] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 84.097229][ T1276] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 84.105742][ T1276] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 84.130008][ T1276] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 84.318218][ T3085] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 84.325714][ T3085] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 84.339728][ T4525] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 84.414020][ T3085] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 84.424666][ T3085] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 84.443149][ T4525] device veth0_vlan entered promiscuous mode [ 84.452378][ T3085] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 84.461347][ T3085] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 84.470587][ T3085] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 84.478818][ T3085] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 84.492204][ T4525] device veth1_vlan entered promiscuous mode [ 84.514598][ T3085] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 84.524618][ T3085] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 84.533802][ T3085] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 84.544416][ T3085] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 84.562165][ T4525] device veth0_macvtap entered promiscuous mode [ 84.575823][ T4525] device veth1_macvtap entered promiscuous mode [ 84.593076][ T4525] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 84.603566][ T3085] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 84.613227][ T3085] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 84.621849][ T3085] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 84.630803][ T3085] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 84.650522][ T4525] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 84.659818][ T3085] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 84.669647][ T3085] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 84.683598][ T4525] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 84.693253][ T4525] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 84.702551][ T4525] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 84.711585][ T4525] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 86.583932][ T3085] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 86.606073][ T3085] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 86.614489][ T1276] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 86.658509][ T3085] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 86.668193][ T3085] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 86.682911][ T1276] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 86.936939][ T1201] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2026/07/10 07:36:43 executed programs: 0 [ 87.728486][ T4736] chnl_net:caif_netlink_parms(): no params data found [ 87.785038][ T4736] bridge0: port 1(bridge_slave_0) entered blocking state [ 87.797862][ T4736] bridge0: port 1(bridge_slave_0) entered disabled state [ 87.806524][ T4736] device bridge_slave_0 entered promiscuous mode [ 87.815173][ T4736] bridge0: port 2(bridge_slave_1) entered blocking state [ 87.824756][ T4736] bridge0: port 2(bridge_slave_1) entered disabled state [ 87.833199][ T4736] device bridge_slave_1 entered promiscuous mode [ 87.863152][ T4736] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 87.874893][ T4736] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 87.905202][ T4736] team0: Port device team_slave_0 added [ 87.913699][ T4736] team0: Port device team_slave_1 added [ 87.937720][ T4736] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 87.944773][ T4736] 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. [ 87.972138][ T4736] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 87.989159][ T4736] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 87.998411][ T4736] 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. [ 88.027053][ T4736] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 88.065815][ T4736] device hsr_slave_0 entered promiscuous mode [ 88.074641][ T4736] device hsr_slave_1 entered promiscuous mode [ 88.083974][ T4736] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 88.093062][ T4736] Cannot create hsr debugfs directory [ 89.636630][ T4251] Bluetooth: hci0: command 0x0409 tx timeout [ 90.040591][ T1201] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 90.110668][ T1201] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 90.161107][ T1201] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 91.020959][ T4736] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 91.030235][ T4736] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 91.039256][ T4736] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 91.048849][ T4736] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 91.103058][ T4736] 8021q: adding VLAN 0 to HW filter on device bond0 [ 91.137871][ T3085] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 91.145855][ T3085] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 91.158438][ T4736] 8021q: adding VLAN 0 to HW filter on device team0 [ 91.170262][ T3085] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 91.180063][ T3085] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 91.188969][ T3085] bridge0: port 1(bridge_slave_0) entered blocking state [ 91.196130][ T3085] bridge0: port 1(bridge_slave_0) entered forwarding state [ 91.204056][ T3085] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 91.214183][ T1276] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 91.223329][ T1276] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 91.231969][ T1276] bridge0: port 2(bridge_slave_1) entered blocking state [ 91.239036][ T1276] bridge0: port 2(bridge_slave_1) entered forwarding state [ 91.277379][ T1276] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 91.287094][ T1276] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 91.298547][ T1276] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 91.312984][ T1276] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 91.323358][ T1276] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 91.335500][ T1276] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 91.346559][ T1276] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 91.358102][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 91.367248][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 91.395312][ T4736] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 91.407632][ T4736] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 91.415964][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 91.424812][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 91.505791][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 91.514019][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 91.527434][ T4736] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 91.552897][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 91.562083][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 91.586221][ T1276] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 91.594918][ T1276] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 91.603854][ T1276] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 91.611859][ T1276] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 91.630431][ T4736] device veth0_vlan entered promiscuous mode [ 91.641875][ T4736] device veth1_vlan entered promiscuous mode [ 91.659036][ T1276] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 91.667392][ T1276] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 91.675519][ T1276] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 91.684672][ T1276] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 91.695225][ T4736] device veth0_macvtap entered promiscuous mode [ 91.705488][ T4736] device veth1_macvtap entered promiscuous mode [ 91.706227][ T4836] Bluetooth: hci0: command 0x041b tx timeout [ 91.733948][ T1201] device hsr_slave_0 left promiscuous mode [ 91.741236][ T1201] device hsr_slave_1 left promiscuous mode [ 91.749166][ T1201] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 91.756817][ T1201] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 91.764402][ T1201] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 91.773589][ T1201] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 91.781337][ T1201] device bridge_slave_1 left promiscuous mode [ 91.788272][ T1201] bridge0: port 2(bridge_slave_1) entered disabled state [ 91.796969][ T1201] device bridge_slave_0 left promiscuous mode [ 91.803150][ T1201] bridge0: port 1(bridge_slave_0) entered disabled state [ 91.814016][ T1201] device veth1_macvtap left promiscuous mode [ 91.820281][ T1201] device veth0_macvtap left promiscuous mode [ 91.826404][ T1201] device veth1_vlan left promiscuous mode [ 91.832163][ T1201] device veth0_vlan left promiscuous mode [ 91.957972][ T1201] team0 (unregistering): Port device team_slave_1 removed [ 91.970782][ T1201] team0 (unregistering): Port device team_slave_0 removed [ 91.982030][ T1201] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 91.994856][ T1201] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 92.043477][ T1201] bond0 (unregistering): Released all slaves [ 92.083489][ T4736] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 92.094306][ T1276] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 92.102777][ T1276] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 92.111385][ T1276] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 92.120174][ T1276] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 92.130968][ T4736] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 92.144035][ T1276] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 92.152803][ T1276] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 92.163233][ T4736] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 92.172749][ T4736] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 92.182582][ T4736] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 92.198944][ T4736] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 92.263676][ T144] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 92.273400][ T144] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 92.281194][ T1276] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 92.309817][ T1276] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 92.317840][ T1276] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 92.325943][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 92.384894][ T4867] loop0: detected capacity change from 0 to 128 [ 92.470295][ T4867] attempt to access beyond end of device [ 92.470295][ T4867] loop0: rw=0, want=6491538, limit=128 [ 92.482578][ T4867] Buffer I/O error on dev loop0, logical block 3245768, async page read [ 92.493740][ T4867] unable to read i-node block [ 92.500222][ T4867] ================================================================== [ 92.508492][ T4867] BUG: KASAN: use-after-free in sysv_new_block+0x72e/0x8e0 [ 92.515789][ T4867] Read of size 4 at addr ffff888069f210c8 by task syz.0.17/4867 [ 92.523412][ T4867] [ 92.525752][ T4867] CPU: 0 PID: 4867 Comm: syz.0.17 Not tainted syzkaller #0 [ 92.532957][ T4867] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 92.543666][ T4867] Call Trace: [ 92.546974][ T4867] [ 92.549910][ T4867] dump_stack_lvl+0x188/0x250 [ 92.554673][ T4867] ? show_regs_print_info+0x20/0x20 [ 92.560077][ T4867] ? _printk+0xda/0x130 [ 92.564239][ T4867] ? sysv_new_block+0x72e/0x8e0 [ 92.569204][ T4867] ? load_image+0x410/0x410 [ 92.573704][ T4867] print_address_description+0x60/0x2d0 [ 92.579248][ T4867] ? sysv_new_block+0x72e/0x8e0 [ 92.584088][ T4867] kasan_report+0xdf/0x130 [ 92.588588][ T4867] ? sysv_new_block+0x72e/0x8e0 [ 92.593603][ T4867] sysv_new_block+0x72e/0x8e0 [ 92.598327][ T4867] get_block+0x26c/0x1540 [ 92.602743][ T4867] ? sysv_truncate+0xfa0/0xfa0 [ 92.607535][ T4867] ? create_page_buffers+0x238/0x320 [ 92.612831][ T4867] __block_write_begin_int+0x565/0x15d0 [ 92.618575][ T4867] ? sysv_truncate+0xfa0/0xfa0 [ 92.623430][ T4867] ? page_zero_new_buffers+0x490/0x490 [ 92.628894][ T4867] ? sysv_new_inode+0xfdc/0x1290 [ 92.633923][ T4867] ? wait_for_stable_page+0xd9/0x110 [ 92.639310][ T4867] ? sysv_truncate+0xfa0/0xfa0 [ 92.644242][ T4867] block_write_begin+0x4d/0xc0 [ 92.648994][ T4867] sysv_write_begin+0x35/0x70 [ 92.653680][ T4867] __page_symlink+0x102/0x200 [ 92.658565][ T4867] ? page_readlink+0x1a0/0x1a0 [ 92.663361][ T4867] ? page_symlink+0x21/0x90 [ 92.667856][ T4867] sysv_symlink+0xc8/0x150 [ 92.672425][ T4867] vfs_symlink+0x245/0x3d0 [ 92.676871][ T4867] do_symlinkat+0x1ab/0x6b0 [ 92.681369][ T4867] ? vfs_symlink+0x3d0/0x3d0 [ 92.685950][ T4867] ? getname_flags+0x1f9/0x4f0 [ 92.690702][ T4867] __x64_sys_symlink+0x7a/0x90 [ 92.695814][ T4867] do_syscall_64+0x4c/0xa0 [ 92.700258][ T4867] ? clear_bhb_loop+0x30/0x80 [ 92.705109][ T4867] ? clear_bhb_loop+0x30/0x80 [ 92.709870][ T4867] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 92.715768][ T4867] RIP: 0033:0x7f4bd9c05ef9 [ 92.720202][ T4867] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 92.739962][ T4867] RSP: 002b:00007f4bd9269028 EFLAGS: 00000246 ORIG_RAX: 0000000000000058 [ 92.748380][ T4867] RAX: ffffffffffffffda RBX: 00007f4bd9e70fa0 RCX: 00007f4bd9c05ef9 [ 92.756624][ T4867] RDX: 0000000000000000 RSI: 0000200000000100 RDI: 0000200000000040 [ 92.764604][ T4867] RBP: 00007f4bd9c9aee0 R08: 0000000000000000 R09: 0000000000000000 [ 92.772558][ T4867] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 92.780518][ T4867] R13: 00007f4bd9e71038 R14: 00007f4bd9e70fa0 R15: 00007ffd9e339e38 [ 92.788592][ T4867] [ 92.791598][ T4867] [ 92.793903][ T4867] The buggy address belongs to the page: [ 92.799523][ T4867] page:ffffea0001a7c840 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x69f21 [ 92.809665][ T4867] flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff) [ 92.816860][ T4867] raw: 00fff00000000000 ffffea0001a7cb48 ffffea0001a7cb08 0000000000000000 [ 92.825425][ T4867] raw: 0000000000000001 0000000000000000 00000000ffffffff 0000000000000000 [ 92.833989][ T4867] page dumped because: kasan: bad access detected [ 92.840876][ T4867] page_owner tracks the page as freed [ 92.846695][ T4867] page last allocated via order 0, migratetype Movable, gfp_mask 0x1100cca(GFP_HIGHUSER_MOVABLE), pid 3853, ts 92210068765, free_ts 92400228801 [ 92.861348][ T4867] get_page_from_freelist+0x24f6/0x2670 [ 92.866905][ T4867] __alloc_pages+0x1ee/0x480 [ 92.871745][ T4867] alloc_pages_vma+0x2bc/0x790 [ 92.876490][ T4867] wp_page_copy+0x252/0x2090 [ 92.881136][ T4867] handle_mm_fault+0x1fbd/0x4440 [ 92.886151][ T4867] do_user_addr_fault+0x494/0xc90 [ 92.891197][ T4867] exc_page_fault+0x60/0x100 [ 92.896040][ T4867] asm_exc_page_fault+0x22/0x30 [ 92.900881][ T4867] page last free stack trace: [ 92.905811][ T4867] free_unref_page_prepare+0x637/0x6c0 [ 92.911257][ T4867] free_unref_page_list+0x119/0x830 [ 92.916533][ T4867] release_pages+0x185f/0x1bd0 [ 92.921290][ T4867] tlb_finish_mmu+0x1b4/0x370 [ 92.926133][ T4867] exit_mmap+0x3d0/0x640 [ 92.930360][ T4867] __mmput+0x115/0x390 [ 92.934519][ T4867] exit_mm+0x632/0x7b0 [ 92.938692][ T4867] do_exit+0x5b8/0x2110 [ 92.942943][ T4867] do_group_exit+0x12c/0x2f0 [ 92.947613][ T4867] __x64_sys_exit_group+0x3b/0x40 [ 92.952805][ T4867] do_syscall_64+0x4c/0xa0 [ 92.957379][ T4867] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 92.963259][ T4867] [ 92.965564][ T4867] Memory state around the buggy address: [ 92.971383][ T4867] ffff888069f20f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 92.979466][ T4867] ffff888069f21000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 92.987866][ T4867] >ffff888069f21080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 92.995905][ T4867] ^ [ 93.002295][ T4867] ffff888069f21100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 93.010426][ T4867] ffff888069f21180: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 93.018610][ T4867] ================================================================== [ 93.026653][ T4867] Disabling lock debugging due to kernel taint [ 93.038776][ T4867] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 93.045994][ T4867] CPU: 1 PID: 4867 Comm: syz.0.17 Tainted: G B syzkaller #0 [ 93.054641][ T4867] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 93.064685][ T4867] Call Trace: [ 93.067955][ T4867] [ 93.070879][ T4867] dump_stack_lvl+0x188/0x250 [ 93.075550][ T4867] ? show_regs_print_info+0x20/0x20 [ 93.080838][ T4867] ? load_image+0x410/0x410 [ 93.085425][ T4867] panic+0x2f8/0x850 [ 93.089424][ T4867] ? bpf_jit_dump+0xd0/0xd0 [ 93.093911][ T4867] ? _raw_spin_unlock_irqrestore+0x10d/0x120 [ 93.099878][ T4867] ? _raw_spin_unlock+0x40/0x40 [ 93.104731][ T4867] ? print_memory_metadata+0x314/0x400 [ 93.110314][ T4867] ? sysv_new_block+0x72e/0x8e0 [ 93.115153][ T4867] check_panic_on_warn+0x80/0xa0 [ 93.120077][ T4867] ? sysv_new_block+0x72e/0x8e0 [ 93.124913][ T4867] end_report+0x6d/0xf0 [ 93.129054][ T4867] kasan_report+0x102/0x130 [ 93.133543][ T4867] ? sysv_new_block+0x72e/0x8e0 [ 93.138475][ T4867] sysv_new_block+0x72e/0x8e0 [ 93.143144][ T4867] get_block+0x26c/0x1540 [ 93.147510][ T4867] ? sysv_truncate+0xfa0/0xfa0 [ 93.152441][ T4867] ? create_page_buffers+0x238/0x320 [ 93.157720][ T4867] __block_write_begin_int+0x565/0x15d0 [ 93.163313][ T4867] ? sysv_truncate+0xfa0/0xfa0 [ 93.168149][ T4867] ? page_zero_new_buffers+0x490/0x490 [ 93.173590][ T4867] ? sysv_new_inode+0xfdc/0x1290 [ 93.178510][ T4867] ? wait_for_stable_page+0xd9/0x110 [ 93.183791][ T4867] ? sysv_truncate+0xfa0/0xfa0 [ 93.188570][ T4867] block_write_begin+0x4d/0xc0 [ 93.193421][ T4867] sysv_write_begin+0x35/0x70 [ 93.198079][ T4867] __page_symlink+0x102/0x200 [ 93.202845][ T4867] ? page_readlink+0x1a0/0x1a0 [ 93.207795][ T4867] ? page_symlink+0x21/0x90 [ 93.212294][ T4867] sysv_symlink+0xc8/0x150 [ 93.216692][ T4867] vfs_symlink+0x245/0x3d0 [ 93.221099][ T4867] do_symlinkat+0x1ab/0x6b0 [ 93.225582][ T4867] ? vfs_symlink+0x3d0/0x3d0 [ 93.230161][ T4867] ? getname_flags+0x1f9/0x4f0 [ 93.234948][ T4867] __x64_sys_symlink+0x7a/0x90 [ 93.239894][ T4867] do_syscall_64+0x4c/0xa0 [ 93.244489][ T4867] ? clear_bhb_loop+0x30/0x80 [ 93.249152][ T4867] ? clear_bhb_loop+0x30/0x80 [ 93.253818][ T4867] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 93.259799][ T4867] RIP: 0033:0x7f4bd9c05ef9 [ 93.264203][ T4867] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 93.284118][ T4867] RSP: 002b:00007f4bd9269028 EFLAGS: 00000246 ORIG_RAX: 0000000000000058 [ 93.292885][ T4867] RAX: ffffffffffffffda RBX: 00007f4bd9e70fa0 RCX: 00007f4bd9c05ef9 [ 93.300937][ T4867] RDX: 0000000000000000 RSI: 0000200000000100 RDI: 0000200000000040 [ 93.309009][ T4867] RBP: 00007f4bd9c9aee0 R08: 0000000000000000 R09: 0000000000000000 [ 93.317154][ T4867] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 93.325201][ T4867] R13: 00007f4bd9e71038 R14: 00007f4bd9e70fa0 R15: 00007ffd9e339e38 [ 93.333169][ T4867] [ 93.336584][ T4867] Kernel Offset: disabled [ 93.341028][ T4867] Rebooting in 86400 seconds..