Warning: Permanently added '10.128.0.55' (ED25519) to the list of known hosts. 2025/08/03 12:35:22 ignoring optional flag "sandboxArg"="0" 2025/08/03 12:35:23 parsed 1 programs [ 80.659455][ T4271] cgroup: Unknown subsys name 'net' [ 80.819826][ T4271] cgroup: Unknown subsys name 'rlimit' [ 82.327852][ T4271] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 84.174944][ T75] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 84.183161][ T75] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 84.194558][ T75] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 84.216435][ T75] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 84.224768][ T75] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 84.236134][ T75] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 85.765012][ T4324] chnl_net:caif_netlink_parms(): no params data found [ 85.833664][ T4324] bridge0: port 1(bridge_slave_0) entered blocking state [ 85.841055][ T4324] bridge0: port 1(bridge_slave_0) entered disabled state [ 85.849770][ T4324] device bridge_slave_0 entered promiscuous mode [ 85.859319][ T4324] bridge0: port 2(bridge_slave_1) entered blocking state [ 85.866646][ T4324] bridge0: port 2(bridge_slave_1) entered disabled state [ 85.875736][ T4324] device bridge_slave_1 entered promiscuous mode [ 85.901158][ T4324] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 85.912607][ T4324] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 85.957016][ T4324] team0: Port device team_slave_0 added [ 85.969427][ T4324] team0: Port device team_slave_1 added [ 86.025041][ T4324] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 86.032834][ T4324] 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. [ 86.059444][ T4324] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 86.077653][ T4324] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 86.084713][ T4324] 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. [ 86.110750][ T4324] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 86.143867][ T4324] device hsr_slave_0 entered promiscuous mode [ 86.151060][ T4324] device hsr_slave_1 entered promiscuous mode [ 86.256763][ T4324] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 86.267833][ T4324] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 86.277165][ T4324] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 86.288276][ T4324] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 86.370355][ T4324] 8021q: adding VLAN 0 to HW filter on device bond0 [ 86.395584][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 86.407860][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 86.419283][ T4324] 8021q: adding VLAN 0 to HW filter on device team0 [ 86.445392][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 86.454307][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 86.463746][ T11] bridge0: port 1(bridge_slave_0) entered blocking state [ 86.471119][ T11] bridge0: port 1(bridge_slave_0) entered forwarding state [ 86.480578][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 86.501789][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 86.511336][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 86.520364][ T11] bridge0: port 2(bridge_slave_1) entered blocking state [ 86.527900][ T11] bridge0: port 2(bridge_slave_1) entered forwarding state [ 86.538701][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 86.564970][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 86.576850][ T75] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 86.586426][ T75] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 86.595818][ T75] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 86.624124][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 86.634735][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 86.643901][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 86.652421][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 86.661413][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 86.670249][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 86.693531][ T4324] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 86.794710][ T27] cfg80211: failed to load regulatory.db [ 87.055690][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 87.070910][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 87.089836][ T4324] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 87.118910][ T29] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 87.130228][ T29] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 87.151639][ T29] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 87.163749][ T29] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 87.183677][ T4324] device veth0_vlan entered promiscuous mode [ 87.196589][ T29] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 87.205206][ T29] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 87.219171][ T4324] device veth1_vlan entered promiscuous mode [ 87.246311][ T29] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 87.258367][ T29] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 87.267995][ T29] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 87.279182][ T29] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 87.291787][ T4324] device veth0_macvtap entered promiscuous mode [ 87.307076][ T4324] device veth1_macvtap entered promiscuous mode [ 87.326808][ T4324] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 87.334525][ T29] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 87.343272][ T29] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 87.352052][ T29] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 87.363893][ T4324] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 87.371282][ T29] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 87.380469][ T29] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 87.393252][ T4324] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 87.402095][ T4324] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 87.410952][ T4324] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 87.420471][ T4324] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 87.546180][ T11] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 87.679694][ T4350] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 87.689909][ T4350] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 87.698195][ T4350] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 87.707035][ T4350] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 87.714728][ T4350] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 87.722086][ T4350] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 2025/08/03 12:35:34 executed programs: 0 [ 88.886732][ T4350] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 88.895214][ T4350] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 88.903959][ T4350] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 88.911932][ T4350] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 88.919917][ T4350] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 88.927403][ T4350] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 89.066899][ T4367] chnl_net:caif_netlink_parms(): no params data found [ 89.117542][ T4367] bridge0: port 1(bridge_slave_0) entered blocking state [ 89.124973][ T4367] bridge0: port 1(bridge_slave_0) entered disabled state [ 89.133761][ T4367] device bridge_slave_0 entered promiscuous mode [ 89.141975][ T4367] bridge0: port 2(bridge_slave_1) entered blocking state [ 89.149341][ T4367] bridge0: port 2(bridge_slave_1) entered disabled state [ 89.157309][ T4367] device bridge_slave_1 entered promiscuous mode [ 89.180425][ T4367] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 89.191671][ T4367] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 89.221372][ T4367] team0: Port device team_slave_0 added [ 89.229374][ T4367] team0: Port device team_slave_1 added [ 89.251034][ T4367] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 89.258202][ T4367] 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. [ 89.284778][ T4367] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 89.299463][ T4367] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 89.306611][ T4367] 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. [ 89.332711][ T4367] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 89.372695][ T4367] device hsr_slave_0 entered promiscuous mode [ 89.379825][ T4367] device hsr_slave_1 entered promiscuous mode [ 89.386742][ T4367] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 89.395128][ T4367] Cannot create hsr debugfs directory [ 89.684484][ T11] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 90.952949][ T48] Bluetooth: hci0: command 0x0409 tx timeout [ 91.942722][ T11] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 91.995586][ T11] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 92.827522][ T4367] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 92.838386][ T4367] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 92.848953][ T4367] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 92.865244][ T11] device hsr_slave_0 left promiscuous mode [ 92.873570][ T11] device hsr_slave_1 left promiscuous mode [ 92.880964][ T11] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 92.888767][ T11] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 92.897736][ T11] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 92.905752][ T11] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 92.915160][ T11] device bridge_slave_1 left promiscuous mode [ 92.922398][ T11] bridge0: port 2(bridge_slave_1) entered disabled state [ 92.937889][ T11] device bridge_slave_0 left promiscuous mode [ 92.944338][ T11] bridge0: port 1(bridge_slave_0) entered disabled state [ 92.977444][ T11] device veth1_macvtap left promiscuous mode [ 92.984110][ T11] device veth0_macvtap left promiscuous mode [ 92.990270][ T11] device veth1_vlan left promiscuous mode [ 92.999583][ T11] device veth0_vlan left promiscuous mode [ 93.033569][ T4350] Bluetooth: hci0: command 0x041b tx timeout [ 93.416216][ T11] team0 (unregistering): Port device team_slave_1 removed [ 93.445597][ T11] team0 (unregistering): Port device team_slave_0 removed [ 93.474067][ T11] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 93.504145][ T11] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 93.780065][ T11] bond0 (unregistering): Released all slaves [ 93.873454][ T4367] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 93.945493][ T4367] 8021q: adding VLAN 0 to HW filter on device bond0 [ 93.960496][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 93.969437][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 93.980399][ T4367] 8021q: adding VLAN 0 to HW filter on device team0 [ 93.994265][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 94.003546][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 94.011987][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 94.019185][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 94.027210][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 94.052558][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 94.061463][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 94.070281][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 94.077487][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 94.089032][ T75] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 94.101489][ T75] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 94.130931][ T75] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 94.140512][ T75] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 94.150039][ T75] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 94.168072][ T75] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 94.177303][ T75] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 94.190131][ T75] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 94.199237][ T75] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 94.210401][ T29] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 94.219314][ T29] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 94.230686][ T4367] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 94.479519][ T75] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 94.487770][ T75] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 94.501749][ T4367] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 94.519657][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 94.529084][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 94.547013][ T29] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 94.557311][ T29] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 94.567537][ T29] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 94.575922][ T29] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 94.587015][ T4367] device veth0_vlan entered promiscuous mode [ 94.598491][ T4367] device veth1_vlan entered promiscuous mode [ 94.617602][ T29] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 94.626017][ T29] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 94.634789][ T29] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 94.643835][ T29] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 94.655033][ T4367] device veth0_macvtap entered promiscuous mode [ 94.676396][ T4367] device veth1_macvtap entered promiscuous mode [ 94.693505][ T4367] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 94.701101][ T75] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 94.710181][ T75] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 94.718979][ T75] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 94.727792][ T75] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 94.743333][ T4367] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 94.761963][ T75] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 94.770817][ T75] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 94.782590][ T4367] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 94.791451][ T4367] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 94.802104][ T4367] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 94.811922][ T4367] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 94.879800][ T29] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 94.890232][ T29] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 94.924576][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 94.937189][ T4418] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 94.945822][ T4418] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 94.955481][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 95.122574][ T4350] Bluetooth: hci0: command 0x040f tx timeout [ 95.840089][ T4420] ================================================================== [ 95.848219][ T4420] BUG: KASAN: use-after-free in __lock_acquire+0xf7/0x7c50 [ 95.855447][ T4420] Read of size 8 at addr ffff888076eb5cb8 by task syz.0.17/4420 [ 95.863084][ T4420] [ 95.865427][ T4420] CPU: 1 PID: 4420 Comm: syz.0.17 Not tainted 6.1.147-syzkaller #0 [ 95.873331][ T4420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 95.883456][ T4420] Call Trace: [ 95.886778][ T4420] [ 95.889741][ T4420] dump_stack_lvl+0x168/0x22e [ 95.894588][ T4420] ? __lock_acquire+0x7c50/0x7c50 [ 95.899639][ T4420] ? show_regs_print_info+0x12/0x12 [ 95.904849][ T4420] ? load_image+0x3b0/0x3b0 [ 95.909362][ T4420] ? _raw_spin_lock_irqsave+0xb0/0xf0 [ 95.914773][ T4420] ? __virt_addr_valid+0x188/0x540 [ 95.919932][ T4420] ? __virt_addr_valid+0x465/0x540 [ 95.925083][ T4420] ? __lock_acquire+0xf7/0x7c50 [ 95.929990][ T4420] print_report+0xa8/0x200 [ 95.934442][ T4420] kasan_report+0x10b/0x140 [ 95.938983][ T4420] ? __lock_acquire+0xf7/0x7c50 [ 95.943858][ T4420] __lock_acquire+0xf7/0x7c50 [ 95.948728][ T4420] ? __lock_acquire+0x12e5/0x7c50 [ 95.953773][ T4420] ? verify_lock_unused+0x140/0x140 [ 95.958985][ T4420] ? lockdep_hardirqs_on+0x94/0x140 [ 95.964196][ T4420] ? finish_task_switch+0x32a/0x8f0 [ 95.969410][ T4420] ? verify_lock_unused+0x140/0x140 [ 95.974668][ T4420] ? __schedule+0x10f4/0x40b0 [ 95.979369][ T4420] lock_acquire+0x1b4/0x490 [ 95.983897][ T4420] ? remove_wait_queue+0x20/0x120 [ 95.988953][ T4420] ? read_lock_is_recursive+0x10/0x10 [ 95.994437][ T4420] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 96.000444][ T4420] _raw_spin_lock_irqsave+0xa4/0xf0 [ 96.005663][ T4420] ? remove_wait_queue+0x20/0x120 [ 96.010702][ T4420] ? _raw_spin_lock+0x40/0x40 [ 96.015390][ T4420] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 96.021314][ T4420] ? _raw_spin_unlock+0x40/0x40 [ 96.026191][ T4420] remove_wait_queue+0x20/0x120 [ 96.031071][ T4420] poll_freewait+0x99/0x210 [ 96.035596][ T4420] do_select+0x1761/0x1850 [ 96.040031][ T4420] ? do_select+0xeb/0x1850 [ 96.044473][ T4420] ? core_sys_select+0x8b0/0x8b0 [ 96.049431][ T4420] ? __ia32_compat_sys_ppoll_time64+0x2f0/0x2f0 [ 96.055688][ T4420] ? __ia32_compat_sys_ppoll_time64+0x2f0/0x2f0 [ 96.061946][ T4420] ? __ia32_compat_sys_ppoll_time64+0x2f0/0x2f0 [ 96.068216][ T4420] ? __ia32_compat_sys_ppoll_time64+0x2f0/0x2f0 [ 96.074502][ T4420] ? __ia32_compat_sys_ppoll_time64+0x2f0/0x2f0 [ 96.080803][ T4420] ? __ia32_compat_sys_ppoll_time64+0x2f0/0x2f0 [ 96.087165][ T4420] ? __ia32_compat_sys_ppoll_time64+0x2f0/0x2f0 [ 96.093443][ T4420] ? __ia32_compat_sys_ppoll_time64+0x2f0/0x2f0 [ 96.099716][ T4420] ? __ia32_compat_sys_ppoll_time64+0x2f0/0x2f0 [ 96.105984][ T4420] ? __lock_acquire+0x7c50/0x7c50 [ 96.111028][ T4420] ? __lock_acquire+0x7c50/0x7c50 [ 96.116131][ T4420] ? __might_fault+0xa6/0x120 [ 96.120833][ T4420] ? __might_fault+0xc2/0x120 [ 96.125532][ T4420] ? __might_fault+0xa6/0x120 [ 96.130228][ T4420] core_sys_select+0x6ad/0x8b0 [ 96.135008][ T4420] ? poll_select_set_timeout+0x150/0x150 [ 96.140653][ T4420] ? sigprocmask+0x190/0x190 [ 96.145257][ T4420] ? do_sys_openat2+0x1fe/0x490 [ 96.150115][ T4420] __se_sys_pselect6+0x2ed/0x3a0 [ 96.155070][ T4420] ? __x64_sys_pselect6+0xf0/0xf0 [ 96.160118][ T4420] ? __x64_sys_pselect6+0x1d/0xf0 [ 96.165173][ T4420] do_syscall_64+0x4c/0xa0 [ 96.169679][ T4420] ? clear_bhb_loop+0x60/0xb0 [ 96.174394][ T4420] ? clear_bhb_loop+0x60/0xb0 [ 96.179076][ T4420] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 96.185091][ T4420] RIP: 0033:0x7fdca8f8eb69 [ 96.189526][ T4420] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 [ 96.209273][ T4420] RSP: 002b:00007fdca9eb6038 EFLAGS: 00000246 ORIG_RAX: 000000000000010e [ 96.217703][ T4420] RAX: ffffffffffffffda RBX: 00007fdca91b5fa0 RCX: 00007fdca8f8eb69 [ 96.225697][ T4420] RDX: 0000000000000000 RSI: 0000200000000280 RDI: 0000000000000040 [ 96.233695][ T4420] RBP: 00007fdca9011df1 R08: 0000000000000000 R09: 0000000000000000 [ 96.241686][ T4420] R10: 0000200000000180 R11: 0000000000000246 R12: 0000000000000000 [ 96.249698][ T4420] R13: 0000000000000000 R14: 00007fdca91b5fa0 R15: 00007ffd9f431908 [ 96.257694][ T4420] [ 96.260716][ T4420] [ 96.263318][ T4420] Allocated by task 4420: [ 96.267651][ T4420] kasan_set_track+0x4b/0x70 [ 96.272330][ T4420] __kasan_kmalloc+0x8e/0xa0 [ 96.276956][ T4420] comedi_device_postconfig+0x496/0xc50 [ 96.282629][ T4420] comedi_device_attach+0x52f/0x650 [ 96.288049][ T4420] comedi_unlocked_ioctl+0x5ec/0xf20 [ 96.293444][ T4420] __se_sys_ioctl+0xfa/0x170 [ 96.298079][ T4420] do_syscall_64+0x4c/0xa0 [ 96.302607][ T4420] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 96.308545][ T4420] [ 96.310873][ T4420] Freed by task 4421: [ 96.314856][ T4420] kasan_set_track+0x4b/0x70 [ 96.319460][ T4420] kasan_save_free_info+0x2d/0x50 [ 96.324508][ T4420] ____kasan_slab_free+0x126/0x1e0 [ 96.329753][ T4420] slab_free_freelist_hook+0x131/0x1a0 [ 96.335232][ T4420] __kmem_cache_free+0xb6/0x1f0 [ 96.340088][ T4420] comedi_device_detach+0x35f/0x6e0 [ 96.345298][ T4420] comedi_unlocked_ioctl+0xb6b/0xf20 [ 96.350602][ T4420] __se_sys_ioctl+0xfa/0x170 [ 96.355289][ T4420] do_syscall_64+0x4c/0xa0 [ 96.359703][ T4420] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 96.365621][ T4420] [ 96.367948][ T4420] The buggy address belongs to the object at ffff888076eb5c00 [ 96.367948][ T4420] which belongs to the cache kmalloc-256 of size 256 [ 96.382005][ T4420] The buggy address is located 184 bytes inside of [ 96.382005][ T4420] 256-byte region [ffff888076eb5c00, ffff888076eb5d00) [ 96.395314][ T4420] [ 96.397641][ T4420] The buggy address belongs to the physical page: [ 96.404116][ T4420] page:ffffea0001dbad00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x76eb4 [ 96.414403][ T4420] head:ffffea0001dbad00 order:1 compound_mapcount:0 compound_pincount:0 [ 96.422752][ T4420] flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff) [ 96.430798][ T4420] raw: 00fff00000010200 0000000000000000 dead000000000122 ffff888017441b40 [ 96.439489][ T4420] raw: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000 [ 96.448086][ T4420] page dumped because: kasan: bad access detected [ 96.454555][ T4420] page_owner tracks the page as allocated [ 96.460628][ T4420] page last allocated via order 1, migratetype Unmovable, gfp_mask 0x1d20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL), pid 4367, tgid 4367 (syz-executor), ts 94858418643, free_ts 94857594145 [ 96.483479][ T4420] post_alloc_hook+0x173/0x1a0 [ 96.488452][ T4420] get_page_from_freelist+0x1a26/0x1ac0 [ 96.494019][ T4420] __alloc_pages+0x1df/0x4e0 [ 96.498643][ T4420] alloc_slab_page+0x5d/0x160 [ 96.503350][ T4420] new_slab+0x87/0x2c0 [ 96.507421][ T4420] ___slab_alloc+0xbc6/0x1220 [ 96.512117][ T4420] __kmem_cache_alloc_node+0x1a0/0x260 [ 96.517607][ T4420] __kmalloc+0xa0/0x240 [ 96.521773][ T4420] fib_create_info+0xa53/0x2490 [ 96.526627][ T4420] fib_table_insert+0xc3/0x1b50 [ 96.531480][ T4420] fib_magic+0x2c1/0x390 [ 96.535737][ T4420] fib_add_ifaddr+0x389/0x5e0 [ 96.540435][ T4420] fib_netdev_event+0x361/0x470 [ 96.545298][ T4420] raw_notifier_call_chain+0xcb/0x160 [ 96.550703][ T4420] __dev_notify_flags+0x178/0x2d0 [ 96.555735][ T4420] dev_change_flags+0xe3/0x1a0 [ 96.560502][ T4420] page last free stack trace: [ 96.565187][ T4420] free_unref_page_prepare+0x8b4/0x9a0 [ 96.570657][ T4420] free_unref_page+0x2e/0x3f0 [ 96.575345][ T4420] __unfreeze_partials+0x1a5/0x200 [ 96.580496][ T4420] put_cpu_partial+0x17c/0x250 [ 96.585276][ T4420] qlist_free_all+0x76/0xe0 [ 96.589807][ T4420] kasan_quarantine_reduce+0x144/0x160 [ 96.595476][ T4420] __kasan_slab_alloc+0x1e/0x80 [ 96.600341][ T4420] slab_post_alloc_hook+0x4b/0x480 [ 96.605483][ T4420] __kmem_cache_alloc_node+0x140/0x260 [ 96.610962][ T4420] kmalloc_trace+0x26/0xe0 [ 96.615622][ T4420] ____ip_mc_inc_group+0x2ad/0xac0 [ 96.620780][ T4420] ip_mc_up+0x121/0x2f0 [ 96.624945][ T4420] inetdev_event+0xe68/0x1410 [ 96.629657][ T4420] raw_notifier_call_chain+0xcb/0x160 [ 96.635137][ T4420] __dev_notify_flags+0x178/0x2d0 [ 96.640189][ T4420] dev_change_flags+0xe3/0x1a0 [ 96.644974][ T4420] [ 96.647332][ T4420] Memory state around the buggy address: [ 96.653011][ T4420] ffff888076eb5b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 96.661127][ T4420] ffff888076eb5c00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 96.669310][ T4420] >ffff888076eb5c80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 96.677396][ T4420] ^ [ 96.683390][ T4420] ffff888076eb5d00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 96.691593][ T4420] ffff888076eb5d80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 96.699683][ T4420] ================================================================== [ 96.707762][ T4420] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 96.714984][ T4420] CPU: 1 PID: 4420 Comm: syz.0.17 Not tainted 6.1.147-syzkaller #0 [ 96.722950][ T4420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 96.733028][ T4420] Call Trace: [ 96.736318][ T4420] [ 96.739253][ T4420] dump_stack_lvl+0x168/0x22e [ 96.743940][ T4420] ? memcpy+0x3c/0x60 [ 96.747934][ T4420] ? show_regs_print_info+0x12/0x12 [ 96.753148][ T4420] ? load_image+0x3b0/0x3b0 [ 96.757707][ T4420] panic+0x2c9/0x710 [ 96.761918][ T4420] ? __lock_acquire+0x7c50/0x7c50 [ 96.767157][ T4420] ? bpf_jit_dump+0xd0/0xd0 [ 96.771692][ T4420] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 96.777635][ T4420] ? _raw_spin_unlock+0x40/0x40 [ 96.782772][ T4420] check_panic_on_warn+0x80/0xa0 [ 96.787900][ T4420] ? __lock_acquire+0xf7/0x7c50 [ 96.792937][ T4420] end_report+0x66/0x110 [ 96.797284][ T4420] kasan_report+0x118/0x140 [ 96.801809][ T4420] ? __lock_acquire+0xf7/0x7c50 [ 96.806673][ T4420] __lock_acquire+0xf7/0x7c50 [ 96.811373][ T4420] ? __lock_acquire+0x12e5/0x7c50 [ 96.816411][ T4420] ? verify_lock_unused+0x140/0x140 [ 96.821739][ T4420] ? lockdep_hardirqs_on+0x94/0x140 [ 96.826954][ T4420] ? finish_task_switch+0x32a/0x8f0 [ 96.832260][ T4420] ? verify_lock_unused+0x140/0x140 [ 96.837505][ T4420] ? __schedule+0x10f4/0x40b0 [ 96.842197][ T4420] lock_acquire+0x1b4/0x490 [ 96.846724][ T4420] ? remove_wait_queue+0x20/0x120 [ 96.852308][ T4420] ? read_lock_is_recursive+0x10/0x10 [ 96.857700][ T4420] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 96.863698][ T4420] _raw_spin_lock_irqsave+0xa4/0xf0 [ 96.868942][ T4420] ? remove_wait_queue+0x20/0x120 [ 96.873998][ T4420] ? _raw_spin_lock+0x40/0x40 [ 96.878718][ T4420] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 96.884643][ T4420] ? _raw_spin_unlock+0x40/0x40 [ 96.889617][ T4420] remove_wait_queue+0x20/0x120 [ 96.894484][ T4420] poll_freewait+0x99/0x210 [ 96.899088][ T4420] do_select+0x1761/0x1850 [ 96.903646][ T4420] ? do_select+0xeb/0x1850 [ 96.908089][ T4420] ? core_sys_select+0x8b0/0x8b0 [ 96.913144][ T4420] ? __ia32_compat_sys_ppoll_time64+0x2f0/0x2f0 [ 96.919408][ T4420] ? __ia32_compat_sys_ppoll_time64+0x2f0/0x2f0 [ 96.925672][ T4420] ? __ia32_compat_sys_ppoll_time64+0x2f0/0x2f0 [ 96.931966][ T4420] ? __ia32_compat_sys_ppoll_time64+0x2f0/0x2f0 [ 96.938324][ T4420] ? __ia32_compat_sys_ppoll_time64+0x2f0/0x2f0 [ 96.944599][ T4420] ? __ia32_compat_sys_ppoll_time64+0x2f0/0x2f0 [ 96.950853][ T4420] ? __ia32_compat_sys_ppoll_time64+0x2f0/0x2f0 [ 96.957119][ T4420] ? __ia32_compat_sys_ppoll_time64+0x2f0/0x2f0 [ 96.963635][ T4420] ? __ia32_compat_sys_ppoll_time64+0x2f0/0x2f0 [ 96.970011][ T4420] ? __lock_acquire+0x7c50/0x7c50 [ 96.975062][ T4420] ? __lock_acquire+0x7c50/0x7c50 [ 96.980159][ T4420] ? __might_fault+0xa6/0x120 [ 96.984858][ T4420] ? __might_fault+0xc2/0x120 [ 96.989558][ T4420] ? __might_fault+0xa6/0x120 [ 96.994260][ T4420] core_sys_select+0x6ad/0x8b0 [ 96.999052][ T4420] ? poll_select_set_timeout+0x150/0x150 [ 97.004736][ T4420] ? sigprocmask+0x190/0x190 [ 97.009489][ T4420] ? do_sys_openat2+0x1fe/0x490 [ 97.014364][ T4420] __se_sys_pselect6+0x2ed/0x3a0 [ 97.019319][ T4420] ? __x64_sys_pselect6+0xf0/0xf0 [ 97.024478][ T4420] ? __x64_sys_pselect6+0x1d/0xf0 [ 97.029535][ T4420] do_syscall_64+0x4c/0xa0 [ 97.033967][ T4420] ? clear_bhb_loop+0x60/0xb0 [ 97.038742][ T4420] ? clear_bhb_loop+0x60/0xb0 [ 97.043437][ T4420] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 97.049537][ T4420] RIP: 0033:0x7fdca8f8eb69 [ 97.053986][ T4420] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 [ 97.073973][ T4420] RSP: 002b:00007fdca9eb6038 EFLAGS: 00000246 ORIG_RAX: 000000000000010e [ 97.082439][ T4420] RAX: ffffffffffffffda RBX: 00007fdca91b5fa0 RCX: 00007fdca8f8eb69 [ 97.090614][ T4420] RDX: 0000000000000000 RSI: 0000200000000280 RDI: 0000000000000040 [ 97.098648][ T4420] RBP: 00007fdca9011df1 R08: 0000000000000000 R09: 0000000000000000 [ 97.106732][ T4420] R10: 0000200000000180 R11: 0000000000000246 R12: 0000000000000000 [ 97.114722][ T4420] R13: 0000000000000000 R14: 00007fdca91b5fa0 R15: 00007ffd9f431908 [ 97.122787][ T4420] [ 97.126132][ T4420] Kernel Offset: disabled [ 97.130565][ T4420] Rebooting in 86400 seconds..