Warning: Permanently added '10.128.0.121' (ED25519) to the list of known hosts. 2025/08/03 10:12:51 ignoring optional flag "sandboxArg"="0" 2025/08/03 10:12:52 parsed 1 programs [ 71.842427][ T4189] cgroup: Unknown subsys name 'net' [ 71.986929][ T4189] cgroup: Unknown subsys name 'rlimit' [ 73.477827][ T4189] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 75.385426][ T4216] chnl_net:caif_netlink_parms(): no params data found [ 75.438914][ T4216] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.446889][ T4216] bridge0: port 1(bridge_slave_0) entered disabled state [ 75.455503][ T4216] device bridge_slave_0 entered promiscuous mode [ 75.467771][ T4216] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.475210][ T4216] bridge0: port 2(bridge_slave_1) entered disabled state [ 75.483713][ T4216] device bridge_slave_1 entered promiscuous mode [ 75.509240][ T4216] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 75.520476][ T4216] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 75.545660][ T4216] team0: Port device team_slave_0 added [ 75.556348][ T4216] team0: Port device team_slave_1 added [ 75.576055][ T4216] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 75.583151][ T4216] 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. [ 75.609108][ T4216] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 75.622437][ T4216] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 75.629425][ T4216] 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. [ 75.655840][ T4216] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 75.692239][ T4216] device hsr_slave_0 entered promiscuous mode [ 75.698978][ T4216] device hsr_slave_1 entered promiscuous mode [ 75.842942][ T4216] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 75.856850][ T4216] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 75.867041][ T4216] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 75.878028][ T4216] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 75.910877][ T4216] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.918175][ T4216] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.926455][ T4216] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.933768][ T4216] bridge0: port 1(bridge_slave_0) entered forwarding state [ 76.002501][ T4216] 8021q: adding VLAN 0 to HW filter on device bond0 [ 76.018772][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 76.033931][ T154] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.044732][ T154] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.055072][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 76.071486][ T4216] 8021q: adding VLAN 0 to HW filter on device team0 [ 76.084112][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 76.093458][ T154] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.100607][ T154] bridge0: port 1(bridge_slave_0) entered forwarding state [ 76.124065][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 76.133405][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.140541][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 76.165189][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 76.175298][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 76.185757][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 76.203318][ T4216] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 76.214650][ T4216] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 76.223264][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 76.233160][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 76.358817][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 76.367157][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 76.384650][ T4216] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 76.409568][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 76.421618][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 76.444593][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 76.468340][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 76.481783][ T4216] device veth0_vlan entered promiscuous mode [ 76.493548][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 76.503711][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 76.516028][ T4216] device veth1_vlan entered promiscuous mode [ 76.542736][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 76.554251][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 76.563482][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 76.574001][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 76.585974][ T4216] device veth0_macvtap entered promiscuous mode [ 76.597127][ T4216] device veth1_macvtap entered promiscuous mode [ 76.616144][ T4216] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 76.626509][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 76.636138][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 76.644543][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 76.655175][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 76.668838][ T4216] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 76.677979][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 76.688420][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 76.701577][ T4216] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.711919][ T4216] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.722319][ T4216] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.732858][ T4216] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.857547][ T4216] syz-executor (4216) used greatest stack depth: 20928 bytes left [ 77.023843][ T413] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 79.387914][ T413] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 81.929116][ T413] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 82.014816][ T413] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 83.126389][ T413] device hsr_slave_0 left promiscuous mode [ 83.134079][ T413] device hsr_slave_1 left promiscuous mode [ 83.168434][ T413] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 83.178965][ T413] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 83.191002][ T413] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 83.198449][ T413] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 83.222275][ T413] device bridge_slave_1 left promiscuous mode [ 83.229488][ T413] bridge0: port 2(bridge_slave_1) entered disabled state [ 83.253722][ T413] device bridge_slave_0 left promiscuous mode [ 83.260002][ T413] bridge0: port 1(bridge_slave_0) entered disabled state [ 83.286338][ T413] device veth1_macvtap left promiscuous mode [ 83.294053][ T413] device veth0_macvtap left promiscuous mode [ 83.300195][ T413] device veth1_vlan left promiscuous mode [ 83.307187][ T413] device veth0_vlan left promiscuous mode [ 83.522728][ T413] team0 (unregistering): Port device team_slave_1 removed [ 83.536807][ T413] team0 (unregistering): Port device team_slave_0 removed [ 83.550786][ T413] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 83.564456][ T413] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 83.623417][ T413] bond0 (unregistering): Released all slaves [ 83.969291][ T4235] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 83.992602][ T4235] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 84.011503][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 84.028825][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 84.040040][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 84.050674][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2025/08/03 10:13:08 executed programs: 0 [ 85.524414][ T4371] chnl_net:caif_netlink_parms(): no params data found [ 85.633647][ T4371] bridge0: port 1(bridge_slave_0) entered blocking state [ 85.648822][ T4371] bridge0: port 1(bridge_slave_0) entered disabled state [ 85.657909][ T4371] device bridge_slave_0 entered promiscuous mode [ 85.668091][ T4371] bridge0: port 2(bridge_slave_1) entered blocking state [ 85.675562][ T4371] bridge0: port 2(bridge_slave_1) entered disabled state [ 85.683641][ T4371] device bridge_slave_1 entered promiscuous mode [ 85.710210][ T4371] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 85.723306][ T4371] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 85.762007][ T4371] team0: Port device team_slave_0 added [ 85.775469][ T4371] team0: Port device team_slave_1 added [ 85.821636][ T4371] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 85.828759][ T4371] 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. [ 85.856005][ T4371] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 85.869026][ T4371] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 85.876683][ T4371] 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. [ 85.903112][ T4371] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 85.959156][ T4371] device hsr_slave_0 entered promiscuous mode [ 85.966893][ T4371] device hsr_slave_1 entered promiscuous mode [ 86.854177][ T1324] cfg80211: failed to load regulatory.db [ 86.952321][ T4371] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 86.963689][ T4371] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 86.983458][ T4371] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 87.072746][ T4371] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 87.277101][ T4371] 8021q: adding VLAN 0 to HW filter on device bond0 [ 87.294780][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 87.303555][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 87.316586][ T4371] 8021q: adding VLAN 0 to HW filter on device team0 [ 87.341827][ T4262] Bluetooth: hci0: command 0x0409 tx timeout [ 87.378335][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 87.388469][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 87.397563][ T4235] bridge0: port 1(bridge_slave_0) entered blocking state [ 87.404726][ T4235] bridge0: port 1(bridge_slave_0) entered forwarding state [ 87.416952][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 87.425957][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 87.436173][ T4235] bridge0: port 2(bridge_slave_1) entered blocking state [ 87.443763][ T4235] bridge0: port 2(bridge_slave_1) entered forwarding state [ 87.454028][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 87.463259][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 87.474583][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 87.484266][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 87.498673][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 87.507427][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 87.517264][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 87.529312][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 87.579397][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 87.588990][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 87.602449][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 87.611628][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 87.624265][ T4371] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 87.799411][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 87.807361][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 87.822412][ T4371] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 87.865953][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 87.875502][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 87.896114][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 87.907368][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 87.923489][ T4371] device veth0_vlan entered promiscuous mode [ 87.938814][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 87.958832][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 87.974634][ T4371] device veth1_vlan entered promiscuous mode [ 88.018250][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 88.028428][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 88.037923][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 88.048430][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 88.061279][ T4371] device veth0_macvtap entered promiscuous mode [ 88.124294][ T4371] device veth1_macvtap entered promiscuous mode [ 88.148568][ T4371] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 88.157035][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 88.165789][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 88.175698][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 88.187185][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 88.202499][ T4371] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 88.213891][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 88.222763][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 88.234333][ T4371] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 88.244878][ T4371] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 88.253752][ T4371] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 88.263720][ T4371] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 88.379672][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 88.402757][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 88.429393][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 88.445398][ T4235] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 88.455455][ T4235] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 88.468145][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 89.390731][ T4507] ================================================================== [ 89.398857][ T4507] BUG: KASAN: use-after-free in __lock_acquire+0xf7/0x7c60 [ 89.406106][ T4507] Read of size 8 at addr ffff888076f0fcb8 by task syz.0.17/4507 [ 89.413760][ T4507] [ 89.416120][ T4507] CPU: 1 PID: 4507 Comm: syz.0.17 Not tainted 5.15.189-syzkaller #0 [ 89.424230][ T4507] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 89.434336][ T4507] Call Trace: [ 89.437644][ T4507] [ 89.440726][ T4507] dump_stack_lvl+0x168/0x230 [ 89.445440][ T4507] ? show_regs_print_info+0x20/0x20 [ 89.450835][ T4507] ? load_image+0x3b0/0x3b0 [ 89.455364][ T4507] ? _raw_spin_lock_irqsave+0xb0/0xf0 [ 89.460773][ T4507] print_address_description+0x60/0x2d0 [ 89.466362][ T4507] ? __lock_acquire+0xf7/0x7c60 [ 89.471233][ T4507] kasan_report+0xdf/0x130 [ 89.475676][ T4507] ? __lock_acquire+0xf7/0x7c60 [ 89.480556][ T4507] ? mark_lock+0x94/0x320 [ 89.484921][ T4507] __lock_acquire+0xf7/0x7c60 [ 89.489635][ T4507] ? __lock_acquire+0x12d9/0x7c60 [ 89.494688][ T4507] ? __switch_to_asm+0x34/0x60 [ 89.499517][ T4507] ? __schedule+0x11c0/0x43b0 [ 89.504219][ T4507] ? verify_lock_unused+0x140/0x140 [ 89.509438][ T4507] ? verify_lock_unused+0x140/0x140 [ 89.514661][ T4507] ? print_unlock_imbalance_bug+0x160/0x160 [ 89.520585][ T4507] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 89.526595][ T4507] lock_acquire+0x197/0x3f0 [ 89.531146][ T4507] ? remove_wait_queue+0x20/0x120 [ 89.536224][ T4507] ? read_lock_is_recursive+0x10/0x10 [ 89.541621][ T4507] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 89.547644][ T4507] ? _raw_spin_lock_irqsave+0x7f/0xf0 [ 89.553055][ T4507] ? lockdep_hardirqs_off+0x70/0x100 [ 89.558367][ T4507] _raw_spin_lock_irqsave+0xa4/0xf0 [ 89.563593][ T4507] ? remove_wait_queue+0x20/0x120 [ 89.568640][ T4507] ? _raw_spin_lock+0x40/0x40 [ 89.573346][ T4507] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 89.579271][ T4507] ? _raw_spin_unlock+0x40/0x40 [ 89.584156][ T4507] ? __fget_files+0x40f/0x480 [ 89.588876][ T4507] remove_wait_queue+0x20/0x120 [ 89.593759][ T4507] poll_freewait+0x99/0x210 [ 89.598282][ T4507] do_select+0x1629/0x16f0 [ 89.602717][ T4507] ? do_select+0xbc1/0x16f0 [ 89.607248][ T4507] ? core_sys_select+0x860/0x860 [ 89.612213][ T4507] ? __ia32_compat_sys_ppoll_time64+0x2f0/0x2f0 [ 89.618483][ T4507] ? __ia32_compat_sys_ppoll_time64+0x2f0/0x2f0 [ 89.624746][ T4507] ? __ia32_compat_sys_ppoll_time64+0x2f0/0x2f0 [ 89.631017][ T4507] ? __ia32_compat_sys_ppoll_time64+0x2f0/0x2f0 [ 89.637289][ T4507] ? __ia32_compat_sys_ppoll_time64+0x2f0/0x2f0 [ 89.643570][ T4507] ? __ia32_compat_sys_ppoll_time64+0x2f0/0x2f0 [ 89.649875][ T4507] ? __ia32_compat_sys_ppoll_time64+0x2f0/0x2f0 [ 89.656165][ T4507] ? __ia32_compat_sys_ppoll_time64+0x2f0/0x2f0 [ 89.662449][ T4507] ? __ia32_compat_sys_ppoll_time64+0x2f0/0x2f0 [ 89.669164][ T4507] ? __lock_acquire+0x7c60/0x7c60 [ 89.674229][ T4507] ? __lock_acquire+0x7c60/0x7c60 [ 89.679295][ T4507] ? __might_fault+0xb3/0x110 [ 89.684024][ T4507] core_sys_select+0x65c/0x860 [ 89.689005][ T4507] ? poll_select_set_timeout+0x150/0x150 [ 89.694683][ T4507] ? sigprocmask+0x190/0x190 [ 89.699306][ T4507] ? __lock_acquire+0x7c60/0x7c60 [ 89.704367][ T4507] __se_sys_pselect6+0x2ed/0x3a0 [ 89.709351][ T4507] ? __x64_sys_pselect6+0xf0/0xf0 [ 89.714424][ T4507] ? __x64_sys_pselect6+0x1d/0xf0 [ 89.719481][ T4507] do_syscall_64+0x4c/0xa0 [ 89.723947][ T4507] ? clear_bhb_loop+0x30/0x80 [ 89.728662][ T4507] ? clear_bhb_loop+0x30/0x80 [ 89.733362][ T4507] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 89.739302][ T4507] RIP: 0033:0x7fe481d20b69 [ 89.743736][ T4507] 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 [ 89.763369][ T4507] RSP: 002b:00007fe480f90038 EFLAGS: 00000246 ORIG_RAX: 000000000000010e [ 89.771816][ T4507] RAX: ffffffffffffffda RBX: 00007fe481f47fa0 RCX: 00007fe481d20b69 [ 89.779816][ T4507] RDX: 0000000000000000 RSI: 0000200000000280 RDI: 0000000000000040 [ 89.787812][ T4507] RBP: 00007fe481da3df1 R08: 0000000000000000 R09: 0000000000000000 [ 89.795823][ T4507] R10: 0000200000000180 R11: 0000000000000246 R12: 0000000000000000 [ 89.803829][ T4507] R13: 0000000000000000 R14: 00007fe481f47fa0 R15: 00007ffc72409758 [ 89.811929][ T4507] [ 89.814993][ T4507] [ 89.817334][ T4507] Allocated by task 4507: [ 89.821676][ T4507] __kasan_kmalloc+0xb5/0xf0 [ 89.826302][ T4507] comedi_device_postconfig+0x496/0xc50 [ 89.831881][ T4507] comedi_device_attach+0x52f/0x650 [ 89.837110][ T4507] comedi_unlocked_ioctl+0x5ec/0xe90 [ 89.842430][ T4507] __se_sys_ioctl+0xfa/0x170 [ 89.847054][ T4507] do_syscall_64+0x4c/0xa0 [ 89.851607][ T4507] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 89.857552][ T4507] [ 89.859897][ T4507] Freed by task 4510: [ 89.863897][ T4507] kasan_set_track+0x4b/0x70 [ 89.868516][ T4507] kasan_set_free_info+0x1f/0x40 [ 89.873483][ T4507] ____kasan_slab_free+0xd5/0x110 [ 89.878535][ T4507] slab_free_freelist_hook+0xea/0x170 [ 89.883939][ T4507] kfree+0xef/0x2a0 [ 89.887790][ T4507] comedi_device_detach+0x35f/0x6e0 [ 89.893019][ T4507] comedi_unlocked_ioctl+0xbd0/0xe90 [ 89.898335][ T4507] __se_sys_ioctl+0xfa/0x170 [ 89.902961][ T4507] do_syscall_64+0x4c/0xa0 [ 89.907424][ T4507] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 89.913354][ T4507] [ 89.915700][ T4507] The buggy address belongs to the object at ffff888076f0fc00 [ 89.915700][ T4507] which belongs to the cache kmalloc-256 of size 256 [ 89.929774][ T4507] The buggy address is located 184 bytes inside of [ 89.929774][ T4507] 256-byte region [ffff888076f0fc00, ffff888076f0fd00) [ 89.943079][ T4507] The buggy address belongs to the page: [ 89.948732][ T4507] page:ffffea0001dbc380 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x76f0e [ 89.958914][ T4507] head:ffffea0001dbc380 order:1 compound_mapcount:0 [ 89.965531][ T4507] flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff) [ 89.973556][ T4507] raw: 00fff00000010200 0000000000000000 dead000000000122 ffff888016841b40 [ 89.982281][ T4507] raw: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000 [ 89.990958][ T4507] page dumped because: kasan: bad access detected [ 89.997418][ T4507] page_owner tracks the page as allocated [ 90.003154][ T4507] 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 4235, ts 88466199291, free_ts 88293484151 [ 90.023821][ T4507] get_page_from_freelist+0x1b77/0x1c60 [ 90.029408][ T4507] __alloc_pages+0x1e1/0x470 [ 90.034035][ T4507] new_slab+0xc0/0x4b0 [ 90.038134][ T4507] ___slab_alloc+0x81e/0xdf0 [ 90.042762][ T4507] __kmalloc+0x1cd/0x330 [ 90.047123][ T4507] ieee80211_ibss_build_presp+0x113/0x18a0 [ 90.052962][ T4507] __ieee80211_sta_join_ibss+0x68a/0x13e0 [ 90.058752][ T4507] ieee80211_sta_create_ibss+0x2c3/0x440 [ 90.064415][ T4507] ieee80211_ibss_work+0xdb2/0x10b0 [ 90.069642][ T4507] process_one_work+0x863/0x1000 [ 90.074635][ T4507] worker_thread+0xaa8/0x12a0 [ 90.079341][ T4507] kthread+0x436/0x520 [ 90.083524][ T4507] ret_from_fork+0x1f/0x30 [ 90.087973][ T4507] page last free stack trace: [ 90.092662][ T4507] free_unref_page_prepare+0x637/0x6c0 [ 90.098155][ T4507] free_unref_page+0x94/0x280 [ 90.102867][ T4507] qlist_free_all+0x35/0x90 [ 90.107403][ T4507] kasan_quarantine_reduce+0x150/0x160 [ 90.112901][ T4507] __kasan_slab_alloc+0x2f/0xd0 [ 90.117788][ T4507] slab_post_alloc_hook+0x4c/0x380 [ 90.122930][ T4507] kmem_cache_alloc_trace+0x103/0x2a0 [ 90.128343][ T4507] netdevice_event+0x324/0x900 [ 90.133136][ T4507] raw_notifier_call_chain+0xcb/0x160 [ 90.138544][ T4507] __dev_notify_flags+0x178/0x2d0 [ 90.143716][ T4507] dev_change_flags+0xe3/0x1a0 [ 90.148513][ T4507] do_setlink+0xc01/0x3980 [ 90.153049][ T4507] rtnl_newlink+0x1419/0x17d0 [ 90.157759][ T4507] rtnetlink_rcv_msg+0x9b9/0xe60 [ 90.162732][ T4507] netlink_rcv_skb+0x1e0/0x430 [ 90.167533][ T4507] netlink_unicast+0x774/0x920 [ 90.172334][ T4507] [ 90.174678][ T4507] Memory state around the buggy address: [ 90.180415][ T4507] ffff888076f0fb80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 90.188507][ T4507] ffff888076f0fc00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 90.196595][ T4507] >ffff888076f0fc80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 90.204806][ T4507] ^ [ 90.210734][ T4507] ffff888076f0fd00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 90.218818][ T4507] ffff888076f0fd80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 90.226900][ T4507] ================================================================== [ 90.235007][ T4507] Disabling lock debugging due to kernel taint [ 90.241190][ T4507] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 90.248418][ T4507] CPU: 1 PID: 4507 Comm: syz.0.17 Tainted: G B 5.15.189-syzkaller #0 [ 90.257843][ T4507] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 90.267916][ T4507] Call Trace: [ 90.271211][ T4507] [ 90.274171][ T4507] dump_stack_lvl+0x168/0x230 [ 90.278854][ T4507] ? show_regs_print_info+0x20/0x20 [ 90.284053][ T4507] ? load_image+0x3b0/0x3b0 [ 90.288565][ T4507] panic+0x2c9/0x7f0 [ 90.292464][ T4507] ? bpf_jit_dump+0xd0/0xd0 [ 90.296971][ T4507] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 90.302871][ T4507] ? _raw_spin_unlock+0x40/0x40 [ 90.307728][ T4507] ? __lock_acquire+0xf7/0x7c60 [ 90.312576][ T4507] check_panic_on_warn+0x80/0xa0 [ 90.317514][ T4507] ? __lock_acquire+0xf7/0x7c60 [ 90.322372][ T4507] end_report+0x6d/0xf0 [ 90.326542][ T4507] kasan_report+0x102/0x130 [ 90.331066][ T4507] ? __lock_acquire+0xf7/0x7c60 [ 90.335920][ T4507] ? mark_lock+0x94/0x320 [ 90.340258][ T4507] __lock_acquire+0xf7/0x7c60 [ 90.344938][ T4507] ? __lock_acquire+0x12d9/0x7c60 [ 90.349982][ T4507] ? __switch_to_asm+0x34/0x60 [ 90.354751][ T4507] ? __schedule+0x11c0/0x43b0 [ 90.359439][ T4507] ? verify_lock_unused+0x140/0x140 [ 90.364647][ T4507] ? verify_lock_unused+0x140/0x140 [ 90.369855][ T4507] ? print_unlock_imbalance_bug+0x160/0x160 [ 90.375769][ T4507] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 90.381765][ T4507] lock_acquire+0x197/0x3f0 [ 90.386277][ T4507] ? remove_wait_queue+0x20/0x120 [ 90.391308][ T4507] ? read_lock_is_recursive+0x10/0x10 [ 90.396683][ T4507] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 90.402667][ T4507] ? _raw_spin_lock_irqsave+0x7f/0xf0 [ 90.408044][ T4507] ? lockdep_hardirqs_off+0x70/0x100 [ 90.413338][ T4507] _raw_spin_lock_irqsave+0xa4/0xf0 [ 90.418562][ T4507] ? remove_wait_queue+0x20/0x120 [ 90.423585][ T4507] ? _raw_spin_lock+0x40/0x40 [ 90.428264][ T4507] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 90.434159][ T4507] ? _raw_spin_unlock+0x40/0x40 [ 90.439014][ T4507] ? __fget_files+0x40f/0x480 [ 90.443689][ T4507] remove_wait_queue+0x20/0x120 [ 90.448567][ T4507] poll_freewait+0x99/0x210 [ 90.453072][ T4507] do_select+0x1629/0x16f0 [ 90.457487][ T4507] ? do_select+0xbc1/0x16f0 [ 90.461996][ T4507] ? core_sys_select+0x860/0x860 [ 90.466936][ T4507] ? __ia32_compat_sys_ppoll_time64+0x2f0/0x2f0 [ 90.473179][ T4507] ? __ia32_compat_sys_ppoll_time64+0x2f0/0x2f0 [ 90.479419][ T4507] ? __ia32_compat_sys_ppoll_time64+0x2f0/0x2f0 [ 90.485663][ T4507] ? __ia32_compat_sys_ppoll_time64+0x2f0/0x2f0 [ 90.491908][ T4507] ? __ia32_compat_sys_ppoll_time64+0x2f0/0x2f0 [ 90.498149][ T4507] ? __ia32_compat_sys_ppoll_time64+0x2f0/0x2f0 [ 90.504391][ T4507] ? __ia32_compat_sys_ppoll_time64+0x2f0/0x2f0 [ 90.510635][ T4507] ? __ia32_compat_sys_ppoll_time64+0x2f0/0x2f0 [ 90.516883][ T4507] ? __ia32_compat_sys_ppoll_time64+0x2f0/0x2f0 [ 90.523125][ T4507] ? __lock_acquire+0x7c60/0x7c60 [ 90.528171][ T4507] ? __lock_acquire+0x7c60/0x7c60 [ 90.533202][ T4507] ? __might_fault+0xb3/0x110 [ 90.537888][ T4507] core_sys_select+0x65c/0x860 [ 90.542657][ T4507] ? poll_select_set_timeout+0x150/0x150 [ 90.548296][ T4507] ? sigprocmask+0x190/0x190 [ 90.552891][ T4507] ? __lock_acquire+0x7c60/0x7c60 [ 90.557918][ T4507] __se_sys_pselect6+0x2ed/0x3a0 [ 90.562874][ T4507] ? __x64_sys_pselect6+0xf0/0xf0 [ 90.567909][ T4507] ? __x64_sys_pselect6+0x1d/0xf0 [ 90.573023][ T4507] do_syscall_64+0x4c/0xa0 [ 90.577447][ T4507] ? clear_bhb_loop+0x30/0x80 [ 90.582126][ T4507] ? clear_bhb_loop+0x30/0x80 [ 90.586806][ T4507] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 90.592728][ T4507] RIP: 0033:0x7fe481d20b69 [ 90.597141][ T4507] 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 [ 90.616917][ T4507] RSP: 002b:00007fe480f90038 EFLAGS: 00000246 ORIG_RAX: 000000000000010e [ 90.625341][ T4507] RAX: ffffffffffffffda RBX: 00007fe481f47fa0 RCX: 00007fe481d20b69 [ 90.633316][ T4507] RDX: 0000000000000000 RSI: 0000200000000280 RDI: 0000000000000040 [ 90.641291][ T4507] RBP: 00007fe481da3df1 R08: 0000000000000000 R09: 0000000000000000 [ 90.649265][ T4507] R10: 0000200000000180 R11: 0000000000000246 R12: 0000000000000000 [ 90.657242][ T4507] R13: 0000000000000000 R14: 00007fe481f47fa0 R15: 00007ffc72409758 [ 90.665222][ T4507] [ 90.668503][ T4507] Kernel Offset: disabled [ 90.672837][ T4507] Rebooting in 86400 seconds..