no interfaces have a carrier [ 35.503276][ T3855] 8021q: adding VLAN 0 to HW filter on device bond0 [ 35.513188][ T3855] eql: remember to turn off Van-Jacobson compression on your slave devices Starting crond: OK Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.211' (ED25519) to the list of known hosts. 2025/09/28 18:54:42 parsed 1 programs syzkaller login: [ 61.474339][ T4190] cgroup: Unknown subsys name 'net' [ 61.636439][ T4190] cgroup: Unknown subsys name 'rlimit' [ 63.145071][ T4190] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 64.693481][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 64.702579][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 64.722663][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 64.735661][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 64.744215][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 64.756422][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 65.939169][ T4228] chnl_net:caif_netlink_parms(): no params data found [ 66.007635][ T4228] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.016821][ T4228] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.025244][ T4228] device bridge_slave_0 entered promiscuous mode [ 66.037442][ T4228] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.045092][ T4228] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.054906][ T4228] device bridge_slave_1 entered promiscuous mode [ 66.086389][ T4228] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.099256][ T4228] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.134197][ T4228] team0: Port device team_slave_0 added [ 66.142921][ T4228] team0: Port device team_slave_1 added [ 66.168827][ T4228] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 66.178263][ T4228] 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. [ 66.205647][ T4228] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 66.219058][ T4228] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 66.226164][ T4228] 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. [ 66.252860][ T4228] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 66.295342][ T4228] device hsr_slave_0 entered promiscuous mode [ 66.303834][ T4228] device hsr_slave_1 entered promiscuous mode [ 66.437924][ T4228] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 66.459584][ T4228] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 66.472648][ T4228] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 66.483171][ T4228] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 66.508167][ T4228] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.515429][ T4228] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.523787][ T4228] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.530923][ T4228] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.616054][ T4228] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.642949][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.668598][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.684500][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.703113][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 66.731577][ T4228] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.743624][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.753232][ T144] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.760430][ T144] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.773307][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.781823][ T144] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.788983][ T144] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.808091][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.818401][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.829587][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.842500][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.854179][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.935035][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 66.943015][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.956770][ T4228] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.985104][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 66.994198][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 67.017702][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 67.027009][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 67.037502][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 67.045910][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 67.056387][ T4228] device veth0_vlan entered promiscuous mode [ 67.080570][ T4228] device veth1_vlan entered promiscuous mode [ 67.102836][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 67.112538][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 67.122483][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 67.131810][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 67.143325][ T4228] device veth0_macvtap entered promiscuous mode [ 67.164431][ T4228] device veth1_macvtap entered promiscuous mode [ 67.180683][ T4228] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 67.188384][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 67.197358][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 67.206514][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 67.215872][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 67.227873][ T4228] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 67.236892][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 67.245782][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 67.257979][ T4228] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.267678][ T4228] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.276789][ T4228] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.287028][ T4228] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.393648][ T4228] syz-executor (4228) used greatest stack depth: 20864 bytes left 2025/09/28 18:54:51 executed programs: 0 [ 68.945351][ T4293] chnl_net:caif_netlink_parms(): no params data found [ 69.005683][ T4293] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.013410][ T4293] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.022155][ T4293] device bridge_slave_0 entered promiscuous mode [ 69.034018][ T4293] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.041347][ T4293] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.049688][ T4293] device bridge_slave_1 entered promiscuous mode [ 69.095135][ T4293] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.107512][ T4293] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.137897][ T4293] team0: Port device team_slave_0 added [ 69.147222][ T4293] team0: Port device team_slave_1 added [ 69.178794][ T4293] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 69.186620][ T4293] 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. [ 69.213026][ T4293] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 69.225950][ T4293] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 69.233093][ T4293] 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. [ 69.259900][ T4293] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 69.293592][ T4293] device hsr_slave_0 entered promiscuous mode [ 69.300498][ T4293] device hsr_slave_1 entered promiscuous mode [ 69.307164][ T4293] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.315367][ T4293] Cannot create hsr debugfs directory [ 69.403075][ T4293] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 70.841491][ T4221] Bluetooth: hci0: command 0x0409 tx timeout [ 71.404886][ T1427] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.411515][ T1427] ieee802154 phy1 wpan1: encryption failed: -22 [ 72.397161][ T4293] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 72.434903][ T4293] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 72.502442][ T4293] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 72.626964][ T4293] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 72.636794][ T4293] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 72.659035][ T4293] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 72.668038][ T4293] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 72.750948][ T4293] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.762551][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 72.771923][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.782637][ T4293] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.793477][ T3061] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.802555][ T3061] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.811646][ T3061] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.818795][ T3061] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.827176][ T3061] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 72.851648][ T3061] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.862270][ T3061] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.871293][ T3061] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.878427][ T3061] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.890750][ T3061] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 72.917621][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 72.925918][ T13] Bluetooth: hci0: command 0x041b tx timeout [ 72.938437][ T4293] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 72.949094][ T4293] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 72.962516][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 72.971826][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 72.981533][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 72.990601][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 72.999021][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 73.007844][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.016398][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 73.024893][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.033476][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 73.041764][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 73.062603][ T1182] device hsr_slave_0 left promiscuous mode [ 73.069337][ T1182] device hsr_slave_1 left promiscuous mode [ 73.076200][ T1182] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 73.086380][ T1182] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 73.095607][ T1182] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 73.106559][ T1182] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 73.115217][ T1182] device bridge_slave_1 left promiscuous mode [ 73.123166][ T1182] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.135507][ T1182] device bridge_slave_0 left promiscuous mode [ 73.141995][ T1182] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.158697][ T1182] device veth1_macvtap left promiscuous mode [ 73.165665][ T1182] device veth0_macvtap left promiscuous mode [ 73.172505][ T1182] device veth1_vlan left promiscuous mode [ 73.178409][ T1182] device veth0_vlan left promiscuous mode [ 73.326385][ T1182] team0 (unregistering): Port device team_slave_1 removed [ 73.339494][ T1182] team0 (unregistering): Port device team_slave_0 removed [ 73.354228][ T1182] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 73.367649][ T1182] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 73.425867][ T1182] bond0 (unregistering): Released all slaves [ 73.539386][ T3061] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 73.547238][ T3061] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 73.558325][ T4293] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 73.581296][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 73.591592][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 73.608947][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 73.617919][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 73.627714][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 73.636095][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 73.647120][ T4293] device veth0_vlan entered promiscuous mode [ 73.664531][ T4293] device veth1_vlan entered promiscuous mode [ 73.685417][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 73.694174][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 73.703582][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 73.712488][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 73.722902][ T4293] device veth0_macvtap entered promiscuous mode [ 73.742207][ T4293] device veth1_macvtap entered promiscuous mode [ 73.759695][ T4293] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 73.767893][ T3061] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 73.777436][ T3061] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 73.785885][ T3061] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 73.794698][ T3061] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 73.807247][ T4293] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 73.818260][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 73.827255][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 73.837700][ T4293] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.847348][ T4293] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.856364][ T4293] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.865481][ T4293] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.933883][ T154] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 73.948415][ T154] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 73.973281][ T3061] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 73.982296][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 73.991649][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 74.003004][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 74.332962][ T4321] loop0: detected capacity change from 0 to 32768 [ 74.358873][ T4321] [ 74.358873][ T4321] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 74.358873][ T4321] [ 74.401403][ T4321] read_mapping_page failed! [ 74.406301][ T4321] ERROR: (device loop0): txCommit: [ 74.406301][ T4321] [ 74.417571][ T4321] read_mapping_page failed! [ 74.422622][ T4321] ERROR: (device loop0): txCommit: [ 74.422622][ T4321] [ 74.435393][ T4321] ================================================================== [ 74.443757][ T4321] BUG: KASAN: slab-out-of-bounds in dtInsertEntry+0xd74/0x1270 [ 74.451339][ T4321] Read of size 4 at addr ffff88805de9404c by task syz.0.17/4321 [ 74.458991][ T4321] [ 74.461342][ T4321] CPU: 1 PID: 4321 Comm: syz.0.17 Not tainted syzkaller #0 [ 74.468562][ T4321] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 74.478632][ T4321] Call Trace: [ 74.481923][ T4321] [ 74.484869][ T4321] dump_stack_lvl+0x168/0x230 [ 74.489674][ T4321] ? show_regs_print_info+0x20/0x20 [ 74.494996][ T4321] ? _printk+0xcc/0x110 [ 74.499186][ T4321] ? load_image+0x3b0/0x3b0 [ 74.503704][ T4321] ? _raw_spin_lock_irqsave+0xb0/0xf0 [ 74.509116][ T4321] print_address_description+0x60/0x2d0 [ 74.514787][ T4321] ? dtInsertEntry+0xd74/0x1270 [ 74.519743][ T4321] kasan_report+0xdf/0x130 [ 74.524265][ T4321] ? dtInsertEntry+0xd74/0x1270 [ 74.529317][ T4321] dtInsertEntry+0xd74/0x1270 [ 74.534057][ T4321] dtSplitPage+0x24f7/0x31d0 [ 74.538748][ T4321] dtInsert+0xfb2/0x57a0 [ 74.543035][ T4321] ? lockdep_hardirqs_on+0x94/0x140 [ 74.548299][ T4321] ? __lock_acquire+0x7c60/0x7c60 [ 74.553357][ T4321] ? do_raw_spin_lock+0x11d/0x280 [ 74.558509][ T4321] ? UniStrupr+0x2e0/0x2e0 [ 74.563565][ T4321] ? __rwlock_init+0x140/0x140 [ 74.568364][ T4321] ? txLock+0xcb1/0x1b10 [ 74.572732][ T4321] ? dtInitRoot+0x226/0x660 [ 74.577381][ T4321] jfs_mkdir+0x6e5/0xa70 [ 74.581739][ T4321] ? jfs_symlink+0xe60/0xe60 [ 74.586457][ T4321] ? make_kgid+0x640/0x640 [ 74.590987][ T4321] ? apparmor_path_mkdir+0x1a3/0x220 [ 74.596386][ T4321] ? generic_permission+0x230/0x510 [ 74.601621][ T4321] ? inode_permission+0xef/0x480 [ 74.606586][ T4321] ? bpf_lsm_inode_mkdir+0x5/0x10 [ 74.611784][ T4321] ? security_inode_mkdir+0xb3/0x100 [ 74.617213][ T4321] vfs_mkdir+0x387/0x570 [ 74.621698][ T4321] do_mkdirat+0x1d7/0x5a0 [ 74.626054][ T4321] ? vfs_mkdir+0x570/0x570 [ 74.630677][ T4321] ? getname_flags+0x1fe/0x500 [ 74.635462][ T4321] __x64_sys_mkdirat+0x85/0x90 [ 74.640241][ T4321] do_syscall_64+0x4c/0xa0 [ 74.644677][ T4321] ? clear_bhb_loop+0x30/0x80 [ 74.649383][ T4321] ? clear_bhb_loop+0x30/0x80 [ 74.654074][ T4321] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 74.659983][ T4321] RIP: 0033:0x7fdd3cd49617 [ 74.664413][ 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 [ 74.684046][ T4321] RSP: 002b:00007ffd813db458 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 [ 74.692745][ T4321] RAX: ffffffffffffffda RBX: 00007ffd813db4e0 RCX: 00007fdd3cd49617 [ 74.700737][ T4321] RDX: 00000000000001ff RSI: 0000200000000040 RDI: 00000000ffffff9c [ 74.708729][ T4321] RBP: 00002000000002c0 R08: 00002000000000c0 R09: 0000000000000000 [ 74.716717][ T4321] R10: 00002000000002c0 R11: 0000000000000246 R12: 0000200000000040 [ 74.724698][ T4321] R13: 00007ffd813db4a0 R14: 0000000000000000 R15: 0000000000000000 [ 74.732697][ T4321] [ 74.735728][ T4321] [ 74.738061][ T4321] Allocated by task 4321: [ 74.742394][ T4321] __kasan_slab_alloc+0x9c/0xd0 [ 74.747264][ T4321] slab_post_alloc_hook+0x4c/0x380 [ 74.752394][ T4321] kmem_cache_alloc+0x100/0x290 [ 74.757254][ T4321] jfs_alloc_inode+0x17/0x50 [ 74.761961][ T4321] iget_locked+0x191/0x820 [ 74.766536][ T4321] jfs_iget+0x20/0x3c0 [ 74.770620][ T4321] jfs_lookup+0x1c2/0x380 [ 74.774967][ T4321] __lookup_slow+0x27d/0x3d0 [ 74.779655][ T4321] lookup_slow+0x53/0x70 [ 74.783914][ T4321] walk_component+0x319/0x460 [ 74.788606][ T4321] path_lookupat+0x169/0x440 [ 74.793211][ T4321] filename_lookup+0x1e2/0x4f0 [ 74.798438][ T4321] user_path_at_empty+0x40/0x190 [ 74.803484][ T4321] __se_sys_chdir+0x91/0x280 [ 74.808177][ T4321] do_syscall_64+0x4c/0xa0 [ 74.812611][ T4321] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 74.818518][ T4321] [ 74.820846][ T4321] The buggy address belongs to the object at ffff88805de93780 [ 74.820846][ T4321] which belongs to the cache jfs_ip of size 2240 [ 74.834563][ T4321] The buggy address is located 12 bytes to the right of [ 74.834563][ T4321] 2240-byte region [ffff88805de93780, ffff88805de94040) [ 74.848380][ T4321] The buggy address belongs to the page: [ 74.854024][ T4321] page:ffffea000177a400 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x5de90 [ 74.864288][ T4321] head:ffffea000177a400 order:3 compound_mapcount:0 compound_pincount:0 [ 74.872640][ T4321] memcg:ffff88802b09f501 [ 74.876901][ T4321] flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff) [ 74.884909][ T4321] raw: 00fff00000010200 0000000000000000 dead000000000122 ffff88801cf4db40 [ 74.893513][ T4321] raw: 0000000000000000 00000000800d000d 00000001ffffffff ffff88802b09f501 [ 74.902103][ T4321] page dumped because: kasan: bad access detected [ 74.908539][ T4321] page_owner tracks the page as allocated [ 74.914362][ T4321] page last allocated via order 3, migratetype Reclaimable, gfp_mask 0x1d2050(__GFP_IO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL|__GFP_RECLAIMABLE), pid 4321, ts 74344959233, free_ts 17437079409 [ 74.936486][ T4321] get_page_from_freelist+0x1b77/0x1c60 [ 74.942073][ T4321] __alloc_pages+0x1e1/0x470 [ 74.946786][ T4321] new_slab+0xc0/0x4b0 [ 74.950960][ T4321] ___slab_alloc+0x81e/0xdf0 [ 74.955721][ T4321] kmem_cache_alloc+0x195/0x290 [ 74.960655][ T4321] jfs_alloc_inode+0x17/0x50 [ 74.965244][ T4321] new_inode_pseudo+0x5f/0x210 [ 74.970006][ T4321] new_inode+0x25/0x1c0 [ 74.974162][ T4321] jfs_fill_super+0x392/0xaf0 [ 74.978834][ T4321] mount_bdev+0x287/0x3c0 [ 74.983160][ T4321] legacy_get_tree+0xe6/0x180 [ 74.987841][ T4321] vfs_get_tree+0x88/0x270 [ 74.992258][ T4321] do_new_mount+0x24a/0xa40 [ 74.996759][ T4321] __se_sys_mount+0x2d6/0x3c0 [ 75.001435][ T4321] do_syscall_64+0x4c/0xa0 [ 75.005849][ T4321] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 75.011743][ T4321] page last free stack trace: [ 75.016939][ T4321] free_unref_page_prepare+0x637/0x6c0 [ 75.022396][ T4321] free_unref_page+0x94/0x280 [ 75.027091][ T4321] free_contig_range+0x96/0xf0 [ 75.031879][ T4321] destroy_args+0x100/0xa20 [ 75.036390][ T4321] debug_vm_pgtable+0x318/0x370 [ 75.041260][ T4321] do_one_initcall+0x1ee/0x680 [ 75.046025][ T4321] do_initcall_level+0x137/0x1f0 [ 75.050969][ T4321] do_initcalls+0x4b/0x90 [ 75.055572][ T4321] kernel_init_freeable+0x3ce/0x560 [ 75.060764][ T4321] kernel_init+0x19/0x1b0 [ 75.065195][ T4321] ret_from_fork+0x1f/0x30 [ 75.069697][ T4321] [ 75.072039][ T4321] Memory state around the buggy address: [ 75.077672][ T4321] ffff88805de93f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 75.085835][ T4321] ffff88805de93f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 75.093987][ T4321] >ffff88805de94000: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc [ 75.102137][ T4321] ^ [ 75.108632][ T4321] ffff88805de94080: fc fc fc fc fc fc fc fc 00 00 00 00 00 00 00 00 [ 75.116688][ T4321] ffff88805de94100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 75.124742][ T4321] ================================================================== [ 75.137914][ T4321] Disabling lock debugging due to kernel taint [ 75.147016][ T4221] Bluetooth: hci0: command 0x040f tx timeout [ 75.155717][ T4321] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 75.162942][ T4321] CPU: 0 PID: 4321 Comm: syz.0.17 Tainted: G B syzkaller #0 [ 75.171809][ T4321] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 75.182524][ T4321] Call Trace: [ 75.185910][ T4321] [ 75.188948][ T4321] dump_stack_lvl+0x168/0x230 [ 75.193845][ T4321] ? show_regs_print_info+0x20/0x20 [ 75.199035][ T4321] ? load_image+0x3b0/0x3b0 [ 75.203617][ T4321] panic+0x2c9/0x7f0 [ 75.207590][ T4321] ? asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 75.213740][ T4321] ? bpf_jit_dump+0xd0/0xd0 [ 75.218231][ T4321] ? _raw_spin_unlock_irqrestore+0xf6/0x100 [ 75.224213][ T4321] ? _raw_spin_unlock+0x40/0x40 [ 75.229053][ T4321] ? dtInsertEntry+0xd74/0x1270 [ 75.233899][ T4321] check_panic_on_warn+0x80/0xa0 [ 75.238825][ T4321] ? dtInsertEntry+0xd74/0x1270 [ 75.243753][ T4321] end_report+0x6d/0xf0 [ 75.248011][ T4321] kasan_report+0x102/0x130 [ 75.252597][ T4321] ? dtInsertEntry+0xd74/0x1270 [ 75.257436][ T4321] dtInsertEntry+0xd74/0x1270 [ 75.262111][ T4321] dtSplitPage+0x24f7/0x31d0 [ 75.266787][ T4321] dtInsert+0xfb2/0x57a0 [ 75.271277][ T4321] ? lockdep_hardirqs_on+0x94/0x140 [ 75.276464][ T4321] ? __lock_acquire+0x7c60/0x7c60 [ 75.281477][ T4321] ? do_raw_spin_lock+0x11d/0x280 [ 75.286578][ T4321] ? UniStrupr+0x2e0/0x2e0 [ 75.291067][ T4321] ? __rwlock_init+0x140/0x140 [ 75.295823][ T4321] ? txLock+0xcb1/0x1b10 [ 75.300053][ T4321] ? dtInitRoot+0x226/0x660 [ 75.304716][ T4321] jfs_mkdir+0x6e5/0xa70 [ 75.308951][ T4321] ? jfs_symlink+0xe60/0xe60 [ 75.313550][ T4321] ? make_kgid+0x640/0x640 [ 75.317979][ T4321] ? apparmor_path_mkdir+0x1a3/0x220 [ 75.323345][ T4321] ? generic_permission+0x230/0x510 [ 75.328559][ T4321] ? inode_permission+0xef/0x480 [ 75.333607][ T4321] ? bpf_lsm_inode_mkdir+0x5/0x10 [ 75.338641][ T4321] ? security_inode_mkdir+0xb3/0x100 [ 75.344097][ T4321] vfs_mkdir+0x387/0x570 [ 75.348344][ T4321] do_mkdirat+0x1d7/0x5a0 [ 75.352771][ T4321] ? vfs_mkdir+0x570/0x570 [ 75.357180][ T4321] ? getname_flags+0x1fe/0x500 [ 75.362046][ T4321] __x64_sys_mkdirat+0x85/0x90 [ 75.366828][ T4321] do_syscall_64+0x4c/0xa0 [ 75.371253][ T4321] ? clear_bhb_loop+0x30/0x80 [ 75.376017][ T4321] ? clear_bhb_loop+0x30/0x80 [ 75.380689][ T4321] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 75.386767][ T4321] RIP: 0033:0x7fdd3cd49617 [ 75.391279][ 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 [ 75.410991][ T4321] RSP: 002b:00007ffd813db458 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 [ 75.419402][ T4321] RAX: ffffffffffffffda RBX: 00007ffd813db4e0 RCX: 00007fdd3cd49617 [ 75.427380][ T4321] RDX: 00000000000001ff RSI: 0000200000000040 RDI: 00000000ffffff9c [ 75.435348][ T4321] RBP: 00002000000002c0 R08: 00002000000000c0 R09: 0000000000000000 [ 75.443311][ T4321] R10: 00002000000002c0 R11: 0000000000000246 R12: 0000200000000040 [ 75.451338][ T4321] R13: 00007ffd813db4a0 R14: 0000000000000000 R15: 0000000000000000 [ 75.459302][ T4321] [ 75.462589][ T4321] Kernel Offset: disabled [ 75.466906][ T4321] Rebooting in 86400 seconds..