Warning: Permanently added '10.128.1.158' (ED25519) to the list of known hosts.
2025/08/03 17:18:02 ignoring optional flag "sandboxArg"="0"
2025/08/03 17:18:03 parsed 1 programs
syzkaller login: [ 77.123695][ T4270] cgroup: Unknown subsys name 'net'
[ 77.225554][ T4270] cgroup: Unknown subsys name 'rlimit'
[ 78.804664][ T4270] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS
[ 80.960829][ T56] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 80.969475][ T56] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 80.988850][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 81.007468][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 81.015516][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 81.024893][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[ 81.836068][ T4304] chnl_net:caif_netlink_parms(): no params data found
[ 81.916428][ T4304] bridge0: port 1(bridge_slave_0) entered blocking state
[ 81.925422][ T4304] bridge0: port 1(bridge_slave_0) entered disabled state
[ 81.935300][ T4304] device bridge_slave_0 entered promiscuous mode
[ 81.953656][ T4304] bridge0: port 2(bridge_slave_1) entered blocking state
[ 81.962019][ T4304] bridge0: port 2(bridge_slave_1) entered disabled state
[ 81.971164][ T4304] device bridge_slave_1 entered promiscuous mode
[ 82.056485][ T4304] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 82.068255][ T4304] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 82.130099][ T4304] team0: Port device team_slave_0 added
[ 82.138224][ T4304] team0: Port device team_slave_1 added
[ 82.179200][ T4304] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 82.186244][ T4304] 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.
[ 82.212277][ T4304] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 82.225077][ T4304] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 82.232387][ T4304] 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.
[ 82.259513][ T4304] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 82.298523][ T4304] device hsr_slave_0 entered promiscuous mode
[ 82.305951][ T4304] device hsr_slave_1 entered promiscuous mode
[ 82.448961][ T4304] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 82.461264][ T4304] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 82.471346][ T4304] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 82.482522][ T4304] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 82.573264][ T4304] 8021q: adding VLAN 0 to HW filter on device bond0
[ 82.589157][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[ 82.603354][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 82.611965][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 82.629073][ T4304] 8021q: adding VLAN 0 to HW filter on device team0
[ 82.642134][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 82.651609][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 82.661038][ T9] bridge0: port 1(bridge_slave_0) entered blocking state
[ 82.668566][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 82.687730][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[ 82.696925][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 82.708130][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 82.717223][ T9] bridge0: port 2(bridge_slave_1) entered blocking state
[ 82.724366][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 82.749185][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 82.758356][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 82.772795][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 82.785420][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 82.799445][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 82.813982][ T4304] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 83.016770][ T4321] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 83.025208][ T4321] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 83.039967][ T4304] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 83.062279][ T4321] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 83.071081][ T4321] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 83.099992][ T4321] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 83.109124][ T4321] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 83.118547][ T4321] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 83.126432][ T4321] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 83.136857][ T4304] device veth0_vlan entered promiscuous mode
[ 83.150300][ T4304] device veth1_vlan entered promiscuous mode
[ 83.179738][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 83.188731][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 83.198652][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 83.208496][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 83.220261][ T4304] device veth0_macvtap entered promiscuous mode
[ 83.233225][ T4304] device veth1_macvtap entered promiscuous mode
[ 83.254338][ T4304] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 83.262135][ T4321] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 83.273547][ T4321] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[ 83.282113][ T4321] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 83.292227][ T4321] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 83.309516][ T4304] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 83.316892][ T4321] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 83.326284][ T4321] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 83.338738][ T4304] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 83.348528][ T4304] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 83.357842][ T4304] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 83.366571][ T4304] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 83.509811][ T4321] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 84.797322][ T4358] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 84.805944][ T4358] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 84.813807][ T4358] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 84.822761][ T4358] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 84.831223][ T4358] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3
[ 84.838867][ T4358] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
2025/08/03 17:18:14 executed programs: 0
[ 85.254627][ T4360] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 85.263835][ T4360] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 85.272737][ T4360] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 85.282270][ T4360] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 85.290110][ T4360] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3
[ 85.297479][ T4360] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 85.433300][ T4367] chnl_net:caif_netlink_parms(): no params data found
[ 85.483349][ T4367] bridge0: port 1(bridge_slave_0) entered blocking state
[ 85.490617][ T4367] bridge0: port 1(bridge_slave_0) entered disabled state
[ 85.499892][ T4367] device bridge_slave_0 entered promiscuous mode
[ 85.509702][ T4367] bridge0: port 2(bridge_slave_1) entered blocking state
[ 85.516903][ T4367] bridge0: port 2(bridge_slave_1) entered disabled state
[ 85.525202][ T4367] device bridge_slave_1 entered promiscuous mode
[ 85.549942][ T4367] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 85.562262][ T4367] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 85.589754][ T4367] team0: Port device team_slave_0 added
[ 85.597751][ T4367] team0: Port device team_slave_1 added
[ 85.619412][ T4367] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 85.626417][ 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.
[ 85.653060][ T4367] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 85.666521][ T4367] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 85.673618][ 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.
[ 85.699802][ T4367] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 85.733301][ T4367] device hsr_slave_0 entered promiscuous mode
[ 85.740429][ T4367] device hsr_slave_1 entered promiscuous mode
[ 85.748887][ T4367] debugfs: Directory 'hsr0' with parent 'hsr' already present!
[ 85.756830][ T4367] Cannot create hsr debugfs directory
[ 86.029285][ T4321] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 86.709307][ T127] cfg80211: failed to load regulatory.db
[ 87.358046][ T48] Bluetooth: hci0: command 0x0409 tx timeout
[ 88.266657][ T4321] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 88.320486][ T4321] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 89.225324][ T4321] device hsr_slave_0 left promiscuous mode
[ 89.234557][ T4321] device hsr_slave_1 left promiscuous mode
[ 89.241757][ T4321] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[ 89.251768][ T4321] batman_adv: batadv0: Removing interface: batadv_slave_0
[ 89.260996][ T4321] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[ 89.272616][ T4321] batman_adv: batadv0: Removing interface: batadv_slave_1
[ 89.281017][ T4321] device bridge_slave_1 left promiscuous mode
[ 89.288952][ T4321] bridge0: port 2(bridge_slave_1) entered disabled state
[ 89.301693][ T4321] device bridge_slave_0 left promiscuous mode
[ 89.310423][ T4321] bridge0: port 1(bridge_slave_0) entered disabled state
[ 89.339195][ T4321] device veth1_macvtap left promiscuous mode
[ 89.345691][ T4321] device veth0_macvtap left promiscuous mode
[ 89.352371][ T4321] device veth1_vlan left promiscuous mode
[ 89.358671][ T4321] device veth0_vlan left promiscuous mode
[ 89.427143][ T4360] Bluetooth: hci0: command 0x041b tx timeout
[ 89.719407][ T4321] team0 (unregistering): Port device team_slave_1 removed
[ 89.749149][ T4321] team0 (unregistering): Port device team_slave_0 removed
[ 89.778080][ T4321] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[ 89.810780][ T4321] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[ 90.073010][ T4321] bond0 (unregistering): Released all slaves
[ 90.144694][ T4367] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 90.154073][ T4367] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 90.163487][ T4367] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 90.175497][ T4367] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 90.267829][ T4367] 8021q: adding VLAN 0 to HW filter on device bond0
[ 90.282719][ T33] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 90.291024][ T33] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 90.302316][ T4367] 8021q: adding VLAN 0 to HW filter on device team0
[ 90.327728][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 90.336521][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 90.346243][ T11] bridge0: port 1(bridge_slave_0) entered blocking state
[ 90.353429][ T11] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 90.363139][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 90.372549][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 90.381282][ T11] bridge0: port 2(bridge_slave_1) entered blocking state
[ 90.388426][ T11] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 90.396558][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[ 90.419717][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[ 90.428558][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[ 90.437634][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
[ 90.446683][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 90.455702][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[ 90.464875][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 90.480297][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 90.495357][ T4367] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network
[ 90.506060][ T4367] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network
[ 90.519794][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[ 90.528470][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 90.538416][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[ 90.546879][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 90.555980][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 90.800928][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 90.808850][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 90.821018][ T4367] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 90.850758][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 90.861869][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 90.885745][ T33] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 90.895570][ T33] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 90.917661][ T4367] device veth0_vlan entered promiscuous mode
[ 90.932262][ T33] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 90.940840][ T33] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 90.960411][ T4367] device veth1_vlan entered promiscuous mode
[ 90.988007][ T33] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 90.996201][ T33] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 91.004523][ T33] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 91.013825][ T33] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 91.025189][ T4367] device veth0_macvtap entered promiscuous mode
[ 91.035187][ T4367] device veth1_macvtap entered promiscuous mode
[ 91.051582][ T4367] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 91.059734][ T33] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 91.069092][ T33] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[ 91.077394][ T33] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 91.086061][ T33] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 91.099291][ T4367] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 91.108018][ T33] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 91.116876][ T33] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 91.128463][ T4367] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 91.137469][ T4367] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 91.146235][ T4367] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 91.155128][ T4367] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 91.208390][ T33] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 91.216558][ T33] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 91.228819][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 91.248260][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 91.256276][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 91.265056][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[ 91.507185][ T4360] Bluetooth: hci0: command 0x040f tx timeout
[ 92.156055][ T4428] ==================================================================
[ 92.164278][ T4428] BUG: KASAN: use-after-free in __lock_acquire+0xf7/0x7c50
[ 92.171507][ T4428] Read of size 8 at addr ffff88807e4dd4b8 by task syz.0.17/4428
[ 92.179315][ T4428]
[ 92.181654][ T4428] CPU: 1 PID: 4428 Comm: syz.0.17 Not tainted 6.1.147-syzkaller #0
[ 92.189565][ T4428] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 92.199739][ T4428] Call Trace:
[ 92.203032][ T4428]
[ 92.205974][ T4428] dump_stack_lvl+0x168/0x22e
[ 92.210669][ T4428] ? __lock_acquire+0x7c50/0x7c50
[ 92.215720][ T4428] ? show_regs_print_info+0x12/0x12
[ 92.220927][ T4428] ? load_image+0x3b0/0x3b0
[ 92.225460][ T4428] ? _raw_spin_lock_irqsave+0xb0/0xf0
[ 92.230851][ T4428] ? __virt_addr_valid+0x188/0x540
[ 92.235989][ T4428] ? __virt_addr_valid+0x465/0x540
[ 92.241116][ T4428] ? __lock_acquire+0xf7/0x7c50
[ 92.245998][ T4428] print_report+0xa8/0x200
[ 92.250447][ T4428] kasan_report+0x10b/0x140
[ 92.254986][ T4428] ? __lock_acquire+0xf7/0x7c50
[ 92.259873][ T4428] __lock_acquire+0xf7/0x7c50
[ 92.264588][ T4428] ? __lock_acquire+0x12e5/0x7c50
[ 92.269631][ T4428] ? verify_lock_unused+0x140/0x140
[ 92.274849][ T4428] ? lockdep_hardirqs_on+0x94/0x140
[ 92.280185][ T4428] ? finish_task_switch+0x32a/0x8f0
[ 92.285410][ T4428] ? verify_lock_unused+0x140/0x140
[ 92.290635][ T4428] ? __schedule+0x10f4/0x40b0
[ 92.295346][ T4428] lock_acquire+0x1b4/0x490
[ 92.300007][ T4428] ? remove_wait_queue+0x20/0x120
[ 92.305065][ T4428] ? read_lock_is_recursive+0x10/0x10
[ 92.310629][ T4428] ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[ 92.316658][ T4428] _raw_spin_lock_irqsave+0xa4/0xf0
[ 92.321912][ T4428] ? remove_wait_queue+0x20/0x120
[ 92.326976][ T4428] ? _raw_spin_lock+0x40/0x40
[ 92.331683][ T4428] ? _raw_spin_unlock_irqrestore+0xaa/0x100
[ 92.337683][ T4428] ? _raw_spin_unlock+0x40/0x40
[ 92.342553][ T4428] remove_wait_queue+0x20/0x120
[ 92.347427][ T4428] poll_freewait+0x99/0x210
[ 92.351983][ T4428] do_select+0x1761/0x1850
[ 92.356440][ T4428] ? do_select+0xeb/0x1850
[ 92.360909][ T4428] ? core_sys_select+0x8b0/0x8b0
[ 92.365862][ T4428] ? __ia32_compat_sys_ppoll_time64+0x2f0/0x2f0
[ 92.372144][ T4428] ? __ia32_compat_sys_ppoll_time64+0x2f0/0x2f0
[ 92.378397][ T4428] ? __ia32_compat_sys_ppoll_time64+0x2f0/0x2f0
[ 92.384650][ T4428] ? __ia32_compat_sys_ppoll_time64+0x2f0/0x2f0
[ 92.390915][ T4428] ? __ia32_compat_sys_ppoll_time64+0x2f0/0x2f0
[ 92.397175][ T4428] ? __ia32_compat_sys_ppoll_time64+0x2f0/0x2f0
[ 92.403453][ T4428] ? __ia32_compat_sys_ppoll_time64+0x2f0/0x2f0
[ 92.409715][ T4428] ? __ia32_compat_sys_ppoll_time64+0x2f0/0x2f0
[ 92.416147][ T4428] ? __ia32_compat_sys_ppoll_time64+0x2f0/0x2f0
[ 92.422439][ T4428] ? __lock_acquire+0x7c50/0x7c50
[ 92.427497][ T4428] ? futex_unqueue+0xc7/0xf0
[ 92.432114][ T4428] ? __lock_acquire+0x7c50/0x7c50
[ 92.437176][ T4428] ? __might_fault+0xa6/0x120
[ 92.441893][ T4428] ? __might_fault+0xc2/0x120
[ 92.446603][ T4428] ? __might_fault+0xa6/0x120
[ 92.451305][ T4428] core_sys_select+0x6ad/0x8b0
[ 92.456143][ T4428] ? poll_select_set_timeout+0x150/0x150
[ 92.461840][ T4428] ? sigprocmask+0x190/0x190
[ 92.466568][ T4428] ? do_sys_openat2+0x1fe/0x490
[ 92.471467][ T4428] __se_sys_pselect6+0x2ed/0x3a0
[ 92.476431][ T4428] ? __x64_sys_pselect6+0xf0/0xf0
[ 92.481496][ T4428] ? __x64_sys_pselect6+0x1d/0xf0
[ 92.486550][ T4428] do_syscall_64+0x4c/0xa0
[ 92.491005][ T4428] ? clear_bhb_loop+0x60/0xb0
[ 92.495705][ T4428] ? clear_bhb_loop+0x60/0xb0
[ 92.500419][ T4428] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 92.506366][ T4428] RIP: 0033:0x7fb94a78eb69
[ 92.510918][ T4428] 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
[ 92.530566][ T4428] RSP: 002b:00007fb94b6d9038 EFLAGS: 00000246 ORIG_RAX: 000000000000010e
[ 92.539081][ T4428] RAX: ffffffffffffffda RBX: 00007fb94a9b5fa0 RCX: 00007fb94a78eb69
[ 92.547062][ T4428] RDX: 0000000000000000 RSI: 0000200000000280 RDI: 0000000000000040
[ 92.555109][ T4428] RBP: 00007fb94a811df1 R08: 0000000000000000 R09: 0000000000000000
[ 92.563151][ T4428] R10: 0000200000000180 R11: 0000000000000246 R12: 0000000000000000
[ 92.571161][ T4428] R13: 0000000000000000 R14: 00007fb94a9b5fa0 R15: 00007ffe888649e8
[ 92.579210][ T4428]
[ 92.582253][ T4428]
[ 92.584580][ T4428] Allocated by task 4428:
[ 92.588938][ T4428] kasan_set_track+0x4b/0x70
[ 92.593548][ T4428] __kasan_kmalloc+0x8e/0xa0
[ 92.598247][ T4428] comedi_device_postconfig+0x496/0xc50
[ 92.603910][ T4428] comedi_device_attach+0x52f/0x650
[ 92.609417][ T4428] comedi_unlocked_ioctl+0x5ec/0xf20
[ 92.614707][ T4428] __se_sys_ioctl+0xfa/0x170
[ 92.619394][ T4428] do_syscall_64+0x4c/0xa0
[ 92.623825][ T4428] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 92.629759][ T4428]
[ 92.632079][ T4428] Freed by task 4429:
[ 92.636057][ T4428] kasan_set_track+0x4b/0x70
[ 92.640661][ T4428] kasan_save_free_info+0x2d/0x50
[ 92.645715][ T4428] ____kasan_slab_free+0x126/0x1e0
[ 92.650849][ T4428] slab_free_freelist_hook+0x131/0x1a0
[ 92.656359][ T4428] __kmem_cache_free+0xb6/0x1f0
[ 92.661226][ T4428] comedi_device_detach+0x35f/0x6e0
[ 92.666447][ T4428] comedi_unlocked_ioctl+0xb6b/0xf20
[ 92.671761][ T4428] __se_sys_ioctl+0xfa/0x170
[ 92.676465][ T4428] do_syscall_64+0x4c/0xa0
[ 92.681250][ T4428] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 92.687166][ T4428]
[ 92.689503][ T4428] The buggy address belongs to the object at ffff88807e4dd400
[ 92.689503][ T4428] which belongs to the cache kmalloc-256 of size 256
[ 92.703573][ T4428] The buggy address is located 184 bytes inside of
[ 92.703573][ T4428] 256-byte region [ffff88807e4dd400, ffff88807e4dd500)
[ 92.716892][ T4428]
[ 92.719227][ T4428] The buggy address belongs to the physical page:
[ 92.725778][ T4428] page:ffffea0001f93700 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x7e4dc
[ 92.736075][ T4428] head:ffffea0001f93700 order:1 compound_mapcount:0 compound_pincount:0
[ 92.744503][ T4428] flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff)
[ 92.752517][ T4428] raw: 00fff00000010200 0000000000000000 dead000000000122 ffff888017441b40
[ 92.761126][ T4428] raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000
[ 92.769890][ T4428] page dumped because: kasan: bad access detected
[ 92.776406][ T4428] page_owner tracks the page as allocated
[ 92.782123][ T4428] 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 91207305673, free_ts 91098815087
[ 92.804971][ T4428] post_alloc_hook+0x173/0x1a0
[ 92.809824][ T4428] get_page_from_freelist+0x1a26/0x1ac0
[ 92.815396][ T4428] __alloc_pages+0x1df/0x4e0
[ 92.820005][ T4428] alloc_slab_page+0x5d/0x160
[ 92.824688][ T4428] new_slab+0x87/0x2c0
[ 92.828767][ T4428] ___slab_alloc+0xbc6/0x1220
[ 92.833541][ T4428] __kmem_cache_alloc_node+0x1a0/0x260
[ 92.839005][ T4428] __kmalloc+0xa0/0x240
[ 92.843169][ T4428] genl_family_rcv_msg_attrs_parse+0xa3/0x290
[ 92.849248][ T4428] genl_family_rcv_msg_doit+0xd1/0x320
[ 92.854725][ T4428] genl_rcv_msg+0x5f2/0x780
[ 92.859249][ T4428] netlink_rcv_skb+0x1de/0x420
[ 92.864069][ T4428] genl_rcv+0x24/0x40
[ 92.868066][ T4428] netlink_unicast+0x74d/0x8d0
[ 92.872847][ T4428] netlink_sendmsg+0x89e/0xbc0
[ 92.877623][ T4428] __sys_sendto+0x44f/0x5c0
[ 92.882131][ T4428] page last free stack trace:
[ 92.886811][ T4428] free_unref_page_prepare+0x8b4/0x9a0
[ 92.892301][ T4428] free_unref_page+0x2e/0x3f0
[ 92.897004][ T4428] qlist_free_all+0x76/0xe0
[ 92.901534][ T4428] kasan_quarantine_reduce+0x144/0x160
[ 92.907027][ T4428] __kasan_slab_alloc+0x1e/0x80
[ 92.911920][ T4428] slab_post_alloc_hook+0x4b/0x480
[ 92.917059][ T4428] __kmem_cache_alloc_node+0x140/0x260
[ 92.922536][ T4428] kmalloc_trace+0x26/0xe0
[ 92.926972][ T4428] ____ip_mc_inc_group+0x2ad/0xac0
[ 92.932203][ T4428] ip_mc_up+0x121/0x2f0
[ 92.936376][ T4428] inetdev_event+0xe68/0x1410
[ 92.941064][ T4428] raw_notifier_call_chain+0xcb/0x160
[ 92.946457][ T4428] __dev_notify_flags+0x178/0x2d0
[ 92.951511][ T4428] dev_change_flags+0xe3/0x1a0
[ 92.956306][ T4428] do_setlink+0xc31/0x3c40
[ 92.960731][ T4428] rtnl_newlink+0x17d6/0x1ff0
[ 92.965456][ T4428]
[ 92.967831][ T4428] Memory state around the buggy address:
[ 92.973469][ T4428] ffff88807e4dd380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 92.981537][ T4428] ffff88807e4dd400: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 92.989603][ T4428] >ffff88807e4dd480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 92.997674][ T4428] ^
[ 93.003601][ T4428] ffff88807e4dd500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 93.011682][ T4428] ffff88807e4dd580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 93.019749][ T4428] ==================================================================
[ 93.027858][ T4428] Kernel panic - not syncing: KASAN: panic_on_warn set ...
[ 93.035087][ T4428] CPU: 1 PID: 4428 Comm: syz.0.17 Not tainted 6.1.147-syzkaller #0
[ 93.042982][ T4428] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 93.053047][ T4428] Call Trace:
[ 93.056336][ T4428]
[ 93.059269][ T4428] dump_stack_lvl+0x168/0x22e
[ 93.063976][ T4428] ? memcpy+0x3c/0x60
[ 93.067980][ T4428] ? show_regs_print_info+0x12/0x12
[ 93.073198][ T4428] ? load_image+0x3b0/0x3b0
[ 93.077747][ T4428] panic+0x2c9/0x710
[ 93.081738][ T4428] ? __lock_acquire+0x7c50/0x7c50
[ 93.086983][ T4428] ? bpf_jit_dump+0xd0/0xd0
[ 93.091655][ T4428] ? _raw_spin_unlock_irqrestore+0xaa/0x100
[ 93.097580][ T4428] ? _raw_spin_unlock+0x40/0x40
[ 93.102476][ T4428] check_panic_on_warn+0x80/0xa0
[ 93.107430][ T4428] ? __lock_acquire+0xf7/0x7c50
[ 93.112319][ T4428] end_report+0x66/0x110
[ 93.116592][ T4428] kasan_report+0x118/0x140
[ 93.121121][ T4428] ? __lock_acquire+0xf7/0x7c50
[ 93.126045][ T4428] __lock_acquire+0xf7/0x7c50
[ 93.130746][ T4428] ? __lock_acquire+0x12e5/0x7c50
[ 93.135816][ T4428] ? verify_lock_unused+0x140/0x140
[ 93.141125][ T4428] ? lockdep_hardirqs_on+0x94/0x140
[ 93.146368][ T4428] ? finish_task_switch+0x32a/0x8f0
[ 93.151942][ T4428] ? verify_lock_unused+0x140/0x140
[ 93.157157][ T4428] ? __schedule+0x10f4/0x40b0
[ 93.161936][ T4428] lock_acquire+0x1b4/0x490
[ 93.166488][ T4428] ? remove_wait_queue+0x20/0x120
[ 93.171610][ T4428] ? read_lock_is_recursive+0x10/0x10
[ 93.177022][ T4428] ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[ 93.183016][ T4428] _raw_spin_lock_irqsave+0xa4/0xf0
[ 93.188253][ T4428] ? remove_wait_queue+0x20/0x120
[ 93.193416][ T4428] ? _raw_spin_lock+0x40/0x40
[ 93.198131][ T4428] ? _raw_spin_unlock_irqrestore+0xaa/0x100
[ 93.204067][ T4428] ? _raw_spin_unlock+0x40/0x40
[ 93.208939][ T4428] remove_wait_queue+0x20/0x120
[ 93.213817][ T4428] poll_freewait+0x99/0x210
[ 93.218336][ T4428] do_select+0x1761/0x1850
[ 93.222769][ T4428] ? do_select+0xeb/0x1850
[ 93.227204][ T4428] ? core_sys_select+0x8b0/0x8b0
[ 93.232156][ T4428] ? __ia32_compat_sys_ppoll_time64+0x2f0/0x2f0
[ 93.238418][ T4428] ? __ia32_compat_sys_ppoll_time64+0x2f0/0x2f0
[ 93.244704][ T4428] ? __ia32_compat_sys_ppoll_time64+0x2f0/0x2f0
[ 93.250963][ T4428] ? __ia32_compat_sys_ppoll_time64+0x2f0/0x2f0
[ 93.257221][ T4428] ? __ia32_compat_sys_ppoll_time64+0x2f0/0x2f0
[ 93.263473][ T4428] ? __ia32_compat_sys_ppoll_time64+0x2f0/0x2f0
[ 93.269747][ T4428] ? __ia32_compat_sys_ppoll_time64+0x2f0/0x2f0
[ 93.276010][ T4428] ? __ia32_compat_sys_ppoll_time64+0x2f0/0x2f0
[ 93.282369][ T4428] ? __ia32_compat_sys_ppoll_time64+0x2f0/0x2f0
[ 93.288636][ T4428] ? __lock_acquire+0x7c50/0x7c50
[ 93.293667][ T4428] ? futex_unqueue+0xc7/0xf0
[ 93.298299][ T4428] ? __lock_acquire+0x7c50/0x7c50
[ 93.303360][ T4428] ? __might_fault+0xa6/0x120
[ 93.308054][ T4428] ? __might_fault+0xc2/0x120
[ 93.312797][ T4428] ? __might_fault+0xa6/0x120
[ 93.317506][ T4428] core_sys_select+0x6ad/0x8b0
[ 93.322367][ T4428] ? poll_select_set_timeout+0x150/0x150
[ 93.328041][ T4428] ? sigprocmask+0x190/0x190
[ 93.332709][ T4428] ? do_sys_openat2+0x1fe/0x490
[ 93.337591][ T4428] __se_sys_pselect6+0x2ed/0x3a0
[ 93.342551][ T4428] ? __x64_sys_pselect6+0xf0/0xf0
[ 93.347604][ T4428] ? __x64_sys_pselect6+0x1d/0xf0
[ 93.352690][ T4428] do_syscall_64+0x4c/0xa0
[ 93.357192][ T4428] ? clear_bhb_loop+0x60/0xb0
[ 93.361979][ T4428] ? clear_bhb_loop+0x60/0xb0
[ 93.366702][ T4428] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 93.372624][ T4428] RIP: 0033:0x7fb94a78eb69
[ 93.377057][ T4428] 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
[ 93.396688][ T4428] RSP: 002b:00007fb94b6d9038 EFLAGS: 00000246 ORIG_RAX: 000000000000010e
[ 93.405132][ T4428] RAX: ffffffffffffffda RBX: 00007fb94a9b5fa0 RCX: 00007fb94a78eb69
[ 93.413119][ T4428] RDX: 0000000000000000 RSI: 0000200000000280 RDI: 0000000000000040
[ 93.421103][ T4428] RBP: 00007fb94a811df1 R08: 0000000000000000 R09: 0000000000000000
[ 93.429083][ T4428] R10: 0000200000000180 R11: 0000000000000246 R12: 0000000000000000
[ 93.437082][ T4428] R13: 0000000000000000 R14: 00007fb94a9b5fa0 R15: 00007ffe888649e8
[ 93.445166][ T4428]
[ 93.448332][ T4428] Kernel Offset: disabled
[ 93.452774][ T4428] Rebooting in 86400 seconds..