Warning: Permanently added '10.128.1.6' (ED25519) to the list of known hosts.
2026/01/15 09:49:12 parsed 1 programs
syzkaller login: [ 53.335935][ T4188] cgroup: Unknown subsys name 'net'
[ 53.467392][ T4188] cgroup: Unknown subsys name 'rlimit'
Setting up swapspace version 1, size = 127995904 bytes
[ 54.747821][ T4188] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS
[ 56.726487][ T3075] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 56.742297][ T3075] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 56.753438][ T1290] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 56.765412][ T3075] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 56.773562][ T3075] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 56.782354][ T1290] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[ 57.817556][ T4246] chnl_net:caif_netlink_parms(): no params data found
[ 57.876098][ T4246] bridge0: port 1(bridge_slave_0) entered blocking state
[ 57.883949][ T4246] bridge0: port 1(bridge_slave_0) entered disabled state
[ 57.891617][ T4246] device bridge_slave_0 entered promiscuous mode
[ 57.900410][ T4246] bridge0: port 2(bridge_slave_1) entered blocking state
[ 57.907690][ T4246] bridge0: port 2(bridge_slave_1) entered disabled state
[ 57.915528][ T4246] device bridge_slave_1 entered promiscuous mode
[ 57.945338][ T4246] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 57.956578][ T4246] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 58.089394][ T4246] team0: Port device team_slave_0 added
[ 58.098181][ T4246] team0: Port device team_slave_1 added
[ 58.136858][ T4246] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 58.144031][ T4246] 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.
[ 58.170385][ T4246] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 58.184047][ T4246] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 58.190996][ T4246] 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.
[ 58.217166][ T4246] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 58.243846][ T4246] device hsr_slave_0 entered promiscuous mode
[ 58.250655][ T4246] device hsr_slave_1 entered promiscuous mode
[ 58.326127][ T4246] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 58.336760][ T4246] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 58.345678][ T4246] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 58.354853][ T4246] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 58.378080][ T4246] bridge0: port 2(bridge_slave_1) entered blocking state
[ 58.385281][ T4246] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 58.393286][ T4246] bridge0: port 1(bridge_slave_0) entered blocking state
[ 58.400463][ T4246] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 58.441936][ T4246] 8021q: adding VLAN 0 to HW filter on device bond0
[ 58.454989][ T1290] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 58.464713][ T1290] bridge0: port 1(bridge_slave_0) entered disabled state
[ 58.474006][ T1290] bridge0: port 2(bridge_slave_1) entered disabled state
[ 58.487439][ T4246] 8021q: adding VLAN 0 to HW filter on device team0
[ 58.498155][ T1290] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 58.506682][ T1290] bridge0: port 1(bridge_slave_0) entered blocking state
[ 58.513772][ T1290] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 58.558739][ T1290] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 58.568089][ T1290] bridge0: port 2(bridge_slave_1) entered blocking state
[ 58.575296][ T1290] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 58.585344][ T1290] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 58.594000][ T1290] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 58.608712][ T4246] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network
[ 58.620030][ T4246] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network
[ 58.634678][ T1290] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 58.643694][ T1290] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 58.653382][ T1290] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 58.666745][ T1290] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 58.759993][ T3075] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 58.767720][ T3075] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 58.780103][ T4246] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 58.818072][ T3075] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 58.829348][ T3075] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 58.849633][ T3075] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 58.858871][ T3075] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 58.867483][ T3075] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 58.876230][ T3075] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 58.884450][ T4246] device veth0_vlan entered promiscuous mode
[ 58.915840][ T4246] device veth1_vlan entered promiscuous mode
[ 58.936165][ T4246] device veth0_macvtap entered promiscuous mode
[ 58.943554][ T3075] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 58.955779][ T3075] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 58.964331][ T3075] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 58.973876][ T3075] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 58.984290][ T4246] device veth1_macvtap entered promiscuous mode
[ 58.994021][ T3075] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 59.002641][ T3075] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[ 59.034179][ T4246] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 59.045443][ T3075] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 59.056221][ T3075] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 59.067643][ T4246] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 59.078813][ T3075] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 59.087880][ T3075] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 59.098417][ T4246] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 59.110726][ T4246] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 59.119780][ T4246] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 59.128819][ T4246] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 59.235681][ T4246] syz-executor (4246) used greatest stack depth: 20584 bytes left
2026/01/15 09:49:20 executed programs: 0
[ 60.123550][ T4302] chnl_net:caif_netlink_parms(): no params data found
[ 60.197498][ T4302] bridge0: port 1(bridge_slave_0) entered blocking state
[ 60.204695][ T4302] bridge0: port 1(bridge_slave_0) entered disabled state
[ 60.213007][ T4302] device bridge_slave_0 entered promiscuous mode
[ 60.221823][ T4302] bridge0: port 2(bridge_slave_1) entered blocking state
[ 60.231385][ T4302] bridge0: port 2(bridge_slave_1) entered disabled state
[ 60.239889][ T4302] device bridge_slave_1 entered promiscuous mode
[ 60.272043][ T4302] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 60.284084][ T4302] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 60.317585][ T4302] team0: Port device team_slave_0 added
[ 60.325613][ T4302] team0: Port device team_slave_1 added
[ 60.348058][ T4302] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 60.355126][ T4302] 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.
[ 60.381418][ T4302] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 60.396961][ T4302] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 60.404213][ T4302] 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.
[ 60.430460][ T4302] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 60.470130][ T4302] device hsr_slave_0 entered promiscuous mode
[ 60.477048][ T4302] device hsr_slave_1 entered promiscuous mode
[ 60.484392][ T4302] debugfs: Directory 'hsr0' with parent 'hsr' already present!
[ 60.492571][ T4302] Cannot create hsr debugfs directory
[ 60.574425][ T4302] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 62.022964][ T4268] Bluetooth: hci0: command 0x0409 tx timeout
[ 63.417887][ T4302] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 63.838031][ T4302] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 63.889062][ T4302] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 63.986199][ T4302] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 63.996147][ T4302] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 64.005496][ T4302] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 64.024527][ T4302] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 64.069213][ T4302] 8021q: adding VLAN 0 to HW filter on device bond0
[ 64.080482][ T1290] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 64.090028][ T1290] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 64.100382][ T4302] 8021q: adding VLAN 0 to HW filter on device team0
[ 64.107343][ T4200] Bluetooth: hci0: command 0x041b tx timeout
[ 64.125198][ T1290] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 64.134107][ T1290] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 64.142881][ T1290] bridge0: port 1(bridge_slave_0) entered blocking state
[ 64.149928][ T1290] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 64.158663][ T1290] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[ 64.178362][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 64.188205][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 64.198163][ T154] bridge0: port 2(bridge_slave_1) entered blocking state
[ 64.205264][ T154] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 64.214689][ T1290] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[ 64.236460][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[ 64.246208][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
[ 64.256475][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 64.265959][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 64.286923][ T1290] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[ 64.296218][ T1290] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 64.306642][ T1290] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[ 64.315721][ T1290] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 64.337516][ T1290] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[ 64.346028][ T1290] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 64.356056][ T4302] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 64.433104][ T1290] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 64.440598][ T1290] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 64.455219][ T1234] device hsr_slave_0 left promiscuous mode
[ 64.461692][ T1234] device hsr_slave_1 left promiscuous mode
[ 64.470909][ T1234] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[ 64.478541][ T1234] batman_adv: batadv0: Removing interface: batadv_slave_0
[ 64.488270][ T1234] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[ 64.495809][ T1234] batman_adv: batadv0: Removing interface: batadv_slave_1
[ 64.504727][ T1234] device bridge_slave_1 left promiscuous mode
[ 64.511583][ T1234] bridge0: port 2(bridge_slave_1) entered disabled state
[ 64.525707][ T1234] device bridge_slave_0 left promiscuous mode
[ 64.531923][ T1234] bridge0: port 1(bridge_slave_0) entered disabled state
[ 64.547878][ T1234] device veth1_macvtap left promiscuous mode
[ 64.554365][ T1234] device veth0_macvtap left promiscuous mode
[ 64.560397][ T1234] device veth1_vlan left promiscuous mode
[ 64.566921][ T1234] device veth0_vlan left promiscuous mode
[ 64.693424][ T1234] team0 (unregistering): Port device team_slave_1 removed
[ 64.706459][ T1234] team0 (unregistering): Port device team_slave_0 removed
[ 64.718950][ T1234] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[ 64.734812][ T1234] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[ 64.783927][ T1234] bond0 (unregistering): Released all slaves
[ 64.838197][ T4302] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 64.855323][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 64.864443][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 64.887699][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 64.901613][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 64.923104][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 64.930817][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 64.940556][ T4302] device veth0_vlan entered promiscuous mode
[ 64.953256][ T4302] device veth1_vlan entered promiscuous mode
[ 64.988982][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 64.997212][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 65.005385][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 65.014200][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 65.024562][ T4302] device veth0_macvtap entered promiscuous mode
[ 65.035313][ T4302] device veth1_macvtap entered promiscuous mode
[ 65.057315][ T4302] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 65.066896][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 65.075418][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[ 65.084425][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 65.093265][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 65.104517][ T4302] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 65.113122][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 65.121705][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 65.134760][ T4302] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 65.144807][ T4302] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 65.154154][ T4302] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 65.163108][ T4302] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 65.240017][ T154] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 65.262298][ T154] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 65.268371][ T3075] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 65.270990][ T1290] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
2026/01/15 09:49:25 executed programs: 2
[ 65.279419][ T3075] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 65.296956][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[ 65.591719][ T4321] loop0: detected capacity change from 0 to 32768
[ 65.719387][ T4321] UFO tlock:0xffffc90002b42288
[ 65.727753][ T4321] ==================================================================
[ 65.736244][ T4321] BUG: KASAN: use-after-free in lmWriteRecord+0x4c8/0x1aa0
[ 65.743476][ T4321] Read of size 32 at addr ffff888022682e00 by task syz.0.17/4321
[ 65.751196][ T4321]
[ 65.753535][ T4321] CPU: 1 PID: 4321 Comm: syz.0.17 Not tainted syzkaller #0
[ 65.760827][ T4321] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 65.770992][ T4321] Call Trace:
[ 65.774278][ T4321]
[ 65.777210][ T4321] dump_stack_lvl+0x168/0x230
[ 65.781896][ T4321] ? show_regs_print_info+0x20/0x20
[ 65.787100][ T4321] ? _printk+0xcc/0x110
[ 65.791271][ T4321] ? lmWriteRecord+0x4c8/0x1aa0
[ 65.796127][ T4321] ? load_image+0x3b0/0x3b0
[ 65.800639][ T4321] print_address_description+0x60/0x2d0
[ 65.806294][ T4321] ? lmWriteRecord+0x4c8/0x1aa0
[ 65.811150][ T4321] kasan_report+0xdf/0x130
[ 65.815576][ T4321] ? lmWriteRecord+0x4c8/0x1aa0
[ 65.820754][ T4321] ? lmWriteRecord+0x4c8/0x1aa0
[ 65.825629][ T4321] kasan_check_range+0x27b/0x290
[ 65.830680][ T4321] memcpy+0x25/0x60
[ 65.834504][ T4321] lmWriteRecord+0x4c8/0x1aa0
[ 65.839215][ T4321] lmLog+0x6f6/0xa30
[ 65.843120][ T4321] txCommit+0x1c2b/0x51c0
[ 65.847454][ T4321] ? ktime_get_real_ts64+0x420/0x420
[ 65.852763][ T4321] ? txLinelock+0x160/0x160
[ 65.857290][ T4321] ? rcu_is_watching+0x11/0xa0
[ 65.862074][ T4321] ? __mark_inode_dirty+0x3a4/0xc90
[ 65.867297][ T4321] jfs_mkdir+0x875/0xa70
[ 65.871563][ T4321] ? jfs_symlink+0xe60/0xe60
[ 65.876181][ T4321] ? make_kgid+0x640/0x640
[ 65.880610][ T4321] ? apparmor_path_mkdir+0x1a3/0x220
[ 65.886180][ T4321] ? generic_permission+0x230/0x510
[ 65.891396][ T4321] ? inode_permission+0xef/0x480
[ 65.896335][ T4321] ? bpf_lsm_inode_mkdir+0x5/0x10
[ 65.901374][ T4321] ? security_inode_mkdir+0xb3/0x100
[ 65.906699][ T4321] vfs_mkdir+0x387/0x570
[ 65.910960][ T4321] do_mkdirat+0x1d7/0x5a0
[ 65.915298][ T4321] ? vfs_mkdir+0x570/0x570
[ 65.919726][ T4321] ? getname_flags+0x1fe/0x500
[ 65.924501][ T4321] __x64_sys_mkdirat+0x85/0x90
[ 65.929277][ T4321] do_syscall_64+0x4c/0xa0
[ 65.933709][ T4321] ? clear_bhb_loop+0x30/0x80
[ 65.938393][ T4321] ? clear_bhb_loop+0x30/0x80
[ 65.943084][ T4321] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 65.948998][ T4321] RIP: 0033:0x7f5dc8ffbe97
[ 65.953425][ T4321] Code: 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 02 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 65.973117][ T4321] RSP: 002b:00007ffd245f9938 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 65.981535][ T4321] RAX: ffffffffffffffda RBX: 00007ffd245f99c0 RCX: 00007f5dc8ffbe97
[ 65.989506][ T4321] RDX: 00000000000001ff RSI: 0000200000000000 RDI: 00000000ffffff9c
[ 65.997479][ T4321] RBP: 00002000000002c0 R08: 0000200000000080 R09: 0000000000000000
[ 66.005452][ T4321] R10: 00002000000002c0 R11: 0000000000000246 R12: 0000200000000000
[ 66.013418][ T4321] R13: 00007ffd245f9980 R14: 0000000000000000 R15: 0000000000000000
[ 66.021404][ T4321]
[ 66.024422][ T4321]
[ 66.026752][ T4321] Allocated by task 4214:
[ 66.031077][ T4321] __kasan_slab_alloc+0x9c/0xd0
[ 66.035939][ T4321] slab_post_alloc_hook+0x4c/0x380
[ 66.041050][ T4321] kmem_cache_alloc+0x100/0x290
[ 66.045893][ T4321] __kernfs_new_node+0xd6/0x680
[ 66.050763][ T4321] kernfs_new_node+0x148/0x250
[ 66.055613][ T4321] __kernfs_create_file+0x47/0x2e0
[ 66.060833][ T4321] sysfs_add_file_mode_ns+0x2d4/0x3a0
[ 66.066201][ T4321] internal_create_group+0x489/0xcf0
[ 66.071486][ T4321] sysfs_create_groups+0x55/0x120
[ 66.076500][ T4321] device_add_attrs+0x83/0x6a0
[ 66.081260][ T4321] device_add+0x64b/0xfb0
[ 66.085584][ T4321] netdev_register_kobject+0x176/0x310
[ 66.091038][ T4321] register_netdevice+0x1019/0x16b0
[ 66.096231][ T4321] __ip_tunnel_create+0x2bf/0x380
[ 66.101249][ T4321] ip_tunnel_init_net+0x232/0x6b0
[ 66.106676][ T4321] ops_init+0x357/0x600
[ 66.110838][ T4321] setup_net+0x38d/0x9f0
[ 66.115073][ T4321] copy_net_ns+0x348/0x5b0
[ 66.119482][ T4321] create_new_namespaces+0x3d3/0x6f0
[ 66.124758][ T4321] unshare_nsproxy_namespaces+0x116/0x160
[ 66.130468][ T4321] ksys_unshare+0x4bc/0x890
[ 66.134965][ T4321] __x64_sys_unshare+0x34/0x40
[ 66.139726][ T4321] do_syscall_64+0x4c/0xa0
[ 66.144133][ T4321] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 66.150027][ T4321]
[ 66.152343][ T4321] Freed by task 1234:
[ 66.156307][ T4321] kasan_set_track+0x4b/0x70
[ 66.160892][ T4321] kasan_set_free_info+0x1f/0x40
[ 66.165808][ T4321] ____kasan_slab_free+0xd5/0x110
[ 66.170816][ T4321] slab_free_freelist_hook+0xea/0x170
[ 66.176167][ T4321] kmem_cache_free+0x8f/0x210
[ 66.180825][ T4321] kernfs_put+0x319/0x490
[ 66.185138][ T4321] kernfs_remove_by_name_ns+0x99/0x100
[ 66.190578][ T4321] sysfs_remove_group+0xf8/0x290
[ 66.195497][ T4321] sysfs_remove_groups+0x50/0xa0
[ 66.200412][ T4321] device_del+0x620/0xa70
[ 66.204724][ T4321] unregister_netdevice_many+0x141e/0x18f0
[ 66.210522][ T4321] ip_tunnel_delete_nets+0x318/0x360
[ 66.215789][ T4321] cleanup_net+0x77b/0xb80
[ 66.220188][ T4321] process_one_work+0x863/0x1000
[ 66.225110][ T4321] worker_thread+0xaa8/0x12a0
[ 66.229767][ T4321] kthread+0x436/0x520
[ 66.234043][ T4321] ret_from_fork+0x1f/0x30
[ 66.238444][ T4321]
[ 66.240750][ T4321] The buggy address belongs to the object at ffff888022682d98
[ 66.240750][ T4321] which belongs to the cache kernfs_node_cache of size 168
[ 66.255418][ T4321] The buggy address is located 104 bytes inside of
[ 66.255418][ T4321] 168-byte region [ffff888022682d98, ffff888022682e40)
[ 66.268677][ T4321] The buggy address belongs to the page:
[ 66.274312][ T4321] page:ffffea000089a080 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x22682
[ 66.284455][ T4321] flags: 0xfff00000000200(slab|node=0|zone=1|lastcpupid=0x7ff)
[ 66.292007][ T4321] raw: 00fff00000000200 0000000000000000 dead000000000122 ffff8880169e9b40
[ 66.300683][ T4321] raw: 0000000000000000 0000000000110011 00000001ffffffff 0000000000000000
[ 66.309253][ T4321] page dumped because: kasan: bad access detected
[ 66.315658][ T4321] page_owner tracks the page as allocated
[ 66.321349][ T4321] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x112cc0(GFP_USER|__GFP_NOWARN|__GFP_NORETRY), pid 4214, ts 56496306825, free_ts 56360879643
[ 66.337300][ T4321] get_page_from_freelist+0x1b77/0x1c60
[ 66.342835][ T4321] __alloc_pages+0x1e1/0x470
[ 66.347414][ T4321] new_slab+0xc0/0x4b0
[ 66.351482][ T4321] ___slab_alloc+0x81e/0xdf0
[ 66.356067][ T4321] kmem_cache_alloc+0x195/0x290
[ 66.360912][ T4321] __kernfs_new_node+0xd6/0x680
[ 66.365752][ T4321] kernfs_new_node+0x148/0x250
[ 66.370515][ T4321] __kernfs_create_file+0x47/0x2e0
[ 66.375611][ T4321] sysfs_add_file_mode_ns+0x2d4/0x3a0
[ 66.380971][ T4321] internal_create_group+0x489/0xcf0
[ 66.386249][ T4321] sysfs_create_groups+0x55/0x120
[ 66.391274][ T4321] kobject_add_internal+0x7a5/0xd00
[ 66.396461][ T4321] kobject_init_and_add+0x122/0x190
[ 66.401733][ T4321] netdev_queue_update_kobjects+0x19c/0x3e0
[ 66.407612][ T4321] netdev_register_kobject+0x265/0x310
[ 66.413052][ T4321] register_netdevice+0x1019/0x16b0
[ 66.418252][ T4321] page last free stack trace:
[ 66.422925][ T4321] free_unref_page_prepare+0x637/0x6c0
[ 66.428375][ T4321] free_unref_page+0x94/0x280
[ 66.433090][ T4321] __vunmap+0x8ab/0xa40
[ 66.437227][ T4321] kcov_close+0x27/0x50
[ 66.441363][ T4321] __fput+0x234/0x930
[ 66.445324][ T4321] task_work_run+0x125/0x1a0
[ 66.449900][ T4321] do_exit+0x61e/0x20a0
[ 66.454038][ T4321] do_group_exit+0x12e/0x300
[ 66.458616][ T4321] get_signal+0x6ca/0x12c0
[ 66.463010][ T4321] arch_do_signal_or_restart+0xc1/0x1300
[ 66.468633][ T4321] exit_to_user_mode_loop+0x9e/0x130
[ 66.473903][ T4321] exit_to_user_mode_prepare+0xee/0x180
[ 66.479432][ T4321] syscall_exit_to_user_mode+0x16/0x40
[ 66.484875][ T4321] do_syscall_64+0x58/0xa0
[ 66.489279][ T4321] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 66.495161][ T4321]
[ 66.497468][ T4321] Memory state around the buggy address:
[ 66.503077][ T4321] ffff888022682d00: fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc fc
[ 66.511293][ T4321] ffff888022682d80: fc fc fc fa fb fb fb fb fb fb fb fb fb fb fb fb
[ 66.519335][ T4321] >ffff888022682e00: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
[ 66.527373][ T4321] ^
[ 66.531419][ T4321] ffff888022682e80: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 66.539467][ T4321] ffff888022682f00: fb fb fb fb fb fc fc fc fc fc fc fc fc fc fc fc
[ 66.547505][ T4321] ==================================================================
[ 66.555661][ T4321] Disabling lock debugging due to kernel taint
[ 66.563329][ T7] Bluetooth: hci0: command 0x040f tx timeout
[ 66.575512][ T4321] Kernel panic - not syncing: KASAN: panic_on_warn set ...
[ 66.582732][ T4321] CPU: 0 PID: 4321 Comm: syz.0.17 Tainted: G B syzkaller #0
[ 66.591313][ T4321] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 66.601362][ T4321] Call Trace:
[ 66.604642][ T4321]
[ 66.607641][ T4321] dump_stack_lvl+0x168/0x230
[ 66.612296][ T4321] ? show_regs_print_info+0x20/0x20
[ 66.617478][ T4321] ? load_image+0x3b0/0x3b0
[ 66.621965][ T4321] panic+0x2c9/0x7f0
[ 66.625855][ T4321] ? bpf_jit_dump+0xd0/0xd0
[ 66.630334][ T4321] ? _raw_spin_unlock_irqrestore+0xf6/0x100
[ 66.636210][ T4321] ? _raw_spin_unlock+0x40/0x40
[ 66.641052][ T4321] ? print_memory_metadata+0x314/0x400
[ 66.646490][ T4321] ? lmWriteRecord+0x4c8/0x1aa0
[ 66.651321][ T4321] check_panic_on_warn+0x80/0xa0
[ 66.656236][ T4321] ? lmWriteRecord+0x4c8/0x1aa0
[ 66.661152][ T4321] end_report+0x6d/0xf0
[ 66.665295][ T4321] kasan_report+0x102/0x130
[ 66.669784][ T4321] ? lmWriteRecord+0x4c8/0x1aa0
[ 66.674613][ T4321] ? lmWriteRecord+0x4c8/0x1aa0
[ 66.679443][ T4321] kasan_check_range+0x27b/0x290
[ 66.684368][ T4321] memcpy+0x25/0x60
[ 66.688160][ T4321] lmWriteRecord+0x4c8/0x1aa0
[ 66.692818][ T4321] lmLog+0x6f6/0xa30
[ 66.696692][ T4321] txCommit+0x1c2b/0x51c0
[ 66.701007][ T4321] ? ktime_get_real_ts64+0x420/0x420
[ 66.706272][ T4321] ? txLinelock+0x160/0x160
[ 66.710754][ T4321] ? rcu_is_watching+0x11/0xa0
[ 66.715579][ T4321] ? __mark_inode_dirty+0x3a4/0xc90
[ 66.720759][ T4321] jfs_mkdir+0x875/0xa70
[ 66.724985][ T4321] ? jfs_symlink+0xe60/0xe60
[ 66.729561][ T4321] ? make_kgid+0x640/0x640
[ 66.733951][ T4321] ? apparmor_path_mkdir+0x1a3/0x220
[ 66.739214][ T4321] ? generic_permission+0x230/0x510
[ 66.744392][ T4321] ? inode_permission+0xef/0x480
[ 66.749304][ T4321] ? bpf_lsm_inode_mkdir+0x5/0x10
[ 66.754307][ T4321] ? security_inode_mkdir+0xb3/0x100
[ 66.759572][ T4321] vfs_mkdir+0x387/0x570
[ 66.763794][ T4321] do_mkdirat+0x1d7/0x5a0
[ 66.768100][ T4321] ? vfs_mkdir+0x570/0x570
[ 66.772495][ T4321] ? getname_flags+0x1fe/0x500
[ 66.777233][ T4321] __x64_sys_mkdirat+0x85/0x90
[ 66.781974][ T4321] do_syscall_64+0x4c/0xa0
[ 66.786364][ T4321] ? clear_bhb_loop+0x30/0x80
[ 66.791029][ T4321] ? clear_bhb_loop+0x30/0x80
[ 66.795679][ T4321] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 66.801551][ T4321] RIP: 0033:0x7f5dc8ffbe97
[ 66.805944][ T4321] Code: 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 02 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 66.825618][ T4321] RSP: 002b:00007ffd245f9938 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 66.834016][ T4321] RAX: ffffffffffffffda RBX: 00007ffd245f99c0 RCX: 00007f5dc8ffbe97
[ 66.841998][ T4321] RDX: 00000000000001ff RSI: 0000200000000000 RDI: 00000000ffffff9c
[ 66.849950][ T4321] RBP: 00002000000002c0 R08: 0000200000000080 R09: 0000000000000000
[ 66.857904][ T4321] R10: 00002000000002c0 R11: 0000000000000246 R12: 0000200000000000
[ 66.865955][ T4321] R13: 00007ffd245f9980 R14: 0000000000000000 R15: 0000000000000000
[ 66.873914][ T4321]
[ 66.877207][ T4321] Kernel Offset: disabled
[ 66.881524][ T4321] Rebooting in 86400 seconds..