Warning: Permanently added '10.128.10.18' (ED25519) to the list of known hosts. 2025/12/26 18:35:06 parsed 1 programs syzkaller login: [ 54.622252][ T4186] cgroup: Unknown subsys name 'net' [ 54.784824][ T4186] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 56.096182][ T4186] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 57.563200][ T4199] chnl_net:caif_netlink_parms(): no params data found [ 57.608424][ T4199] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.615994][ T4199] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.623882][ T4199] device bridge_slave_0 entered promiscuous mode [ 57.634579][ T4199] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.641998][ T4199] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.649793][ T4199] device bridge_slave_1 entered promiscuous mode [ 57.670345][ T4199] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.681246][ T4199] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.706081][ T4199] team0: Port device team_slave_0 added [ 57.713291][ T4199] team0: Port device team_slave_1 added [ 57.730934][ T4199] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 57.737868][ T4199] 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. [ 57.763989][ T4199] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 57.778156][ T4199] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 57.785328][ T4199] 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. [ 57.811335][ T4199] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 57.842967][ T4199] device hsr_slave_0 entered promiscuous mode [ 57.850201][ T4199] device hsr_slave_1 entered promiscuous mode [ 57.932932][ T4199] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 57.942997][ T4199] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 57.954760][ T4199] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 57.963749][ T4199] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 57.985285][ T4199] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.992422][ T4199] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.000112][ T4199] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.007267][ T4199] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.046627][ T4199] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.060808][ T1236] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.071828][ T1236] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.081569][ T1236] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.090285][ T1236] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 58.105092][ T4199] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.115257][ T1236] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.123774][ T1236] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.130906][ T1236] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.145599][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.154606][ T154] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.161683][ T154] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.182490][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.191411][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.200179][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.208367][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.221143][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.233025][ T4199] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.343279][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.353177][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.365804][ T4199] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.386258][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 58.407784][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 58.418641][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 58.427176][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 58.438284][ T4199] device veth0_vlan entered promiscuous mode [ 58.451512][ T4199] device veth1_vlan entered promiscuous mode [ 58.474582][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 58.483150][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 58.493284][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 58.504135][ T4199] device veth0_macvtap entered promiscuous mode [ 58.515735][ T4199] device veth1_macvtap entered promiscuous mode [ 58.523594][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 58.543509][ T4199] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 58.553435][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 58.563187][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 58.575381][ T4199] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 58.583431][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 58.592589][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 58.603456][ T4199] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.614103][ T4199] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.623241][ T4199] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.641875][ T4199] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.774653][ T4199] syz-executor (4199) used greatest stack depth: 21024 bytes left [ 59.495995][ T144] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 61.724791][ T144] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 63.995131][ T144] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 64.045592][ T144] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 64.366025][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 64.380945][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 64.396224][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 64.412740][ T4270] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 64.422214][ T4270] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 64.459267][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 65.075359][ T144] device hsr_slave_0 left promiscuous mode [ 65.090309][ T144] device hsr_slave_1 left promiscuous mode [ 65.097207][ T144] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 65.115918][ T144] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 65.124342][ T144] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 65.136569][ T144] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 65.144641][ T144] device bridge_slave_1 left promiscuous mode [ 65.151768][ T144] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.167097][ T144] device bridge_slave_0 left promiscuous mode [ 65.174507][ T144] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.195328][ T144] device veth1_macvtap left promiscuous mode [ 65.202084][ T144] device veth0_macvtap left promiscuous mode [ 65.208788][ T144] device veth1_vlan left promiscuous mode [ 65.216171][ T144] device veth0_vlan left promiscuous mode [ 65.406987][ T144] team0 (unregistering): Port device team_slave_1 removed [ 65.418330][ T144] team0 (unregistering): Port device team_slave_0 removed [ 65.430870][ T144] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 65.445417][ T144] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 65.495041][ T144] bond0 (unregistering): Released all slaves 2025/12/26 18:35:20 executed programs: 0 [ 66.733958][ T4362] chnl_net:caif_netlink_parms(): no params data found [ 66.845816][ T4362] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.855956][ T4362] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.864274][ T4362] device bridge_slave_0 entered promiscuous mode [ 66.873785][ T4362] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.881402][ T4362] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.889569][ T4362] device bridge_slave_1 entered promiscuous mode [ 66.932519][ T4362] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.950515][ T4362] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.009269][ T4362] team0: Port device team_slave_0 added [ 67.031382][ T4362] team0: Port device team_slave_1 added [ 67.072404][ T4362] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 67.086352][ T4362] 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. [ 67.112524][ T4362] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 67.129724][ T4362] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 67.136676][ T4362] 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. [ 67.163609][ T4362] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 67.205172][ T4362] device hsr_slave_0 entered promiscuous mode [ 67.213229][ T4362] device hsr_slave_1 entered promiscuous mode [ 67.716939][ T4362] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 67.728389][ T4362] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 67.740646][ T4362] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 67.751828][ T4362] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 67.856507][ T4362] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.880837][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.888442][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.904656][ T4362] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.914435][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.927583][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.945928][ T154] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.953057][ T154] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.962388][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.980273][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.990265][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.999496][ T155] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.006648][ T155] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.020360][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.034123][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.043278][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.057976][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.086704][ T4362] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 68.105553][ T4362] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 68.129891][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.138138][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.153376][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.176033][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.190468][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.198865][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.219796][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.237109][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.351325][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.358773][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 68.373121][ T4362] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.394048][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 68.404267][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 68.424641][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 68.433814][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 68.445140][ T4362] device veth0_vlan entered promiscuous mode [ 68.452683][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 68.460916][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 68.472996][ T4362] device veth1_vlan entered promiscuous mode [ 68.494681][ T4270] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 68.504949][ T4270] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 68.514631][ T4270] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 68.524620][ T4270] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 68.534936][ T4362] device veth0_macvtap entered promiscuous mode [ 68.545736][ T4362] device veth1_macvtap entered promiscuous mode [ 68.562762][ T4362] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 68.571167][ T4270] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 68.580370][ T4270] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 68.588567][ T4270] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 68.597933][ T4270] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 68.612529][ T4362] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 68.630399][ T7] Bluetooth: hci0: command 0x0409 tx timeout [ 68.643782][ T4270] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 68.652756][ T4270] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 68.662604][ T4362] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.671536][ T4362] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.680381][ T4362] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.689089][ T4362] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.811283][ T4270] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 68.819245][ T4270] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 68.846710][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 68.895735][ T4270] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 68.906027][ T4270] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 68.916709][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 69.085209][ T4467] loop0: detected capacity change from 0 to 8192 [ 69.123549][ T4467] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 69.151117][ T4467] REISERFS (device loop0): using ordered data mode [ 69.157745][ T4467] reiserfs: using flush barriers [ 69.165656][ T4467] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 69.182653][ T4467] REISERFS (device loop0): checking transaction log (loop0) [ 69.257370][ T4467] REISERFS (device loop0): Using tea hash to sort names [ 69.271401][ T4467] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 69.298336][ T4467] REISERFS warning (device loop0): vs-13060 reiserfs_update_sd_size: stat data of object [2 5 0x0 SD] (nlink == 1) not found (pos 2) [ 69.323935][ T4467] REISERFS warning (device loop0): vs-13060 reiserfs_update_sd_size: stat data of object [6 7 0x0 SD] (nlink == 2) not found (pos 1) [ 69.359563][ T4467] ================================================================== [ 69.367777][ T4467] BUG: KASAN: use-after-free in search_by_entry_key+0x597/0x1370 [ 69.375515][ T4467] Read of size 4 at addr ffff88805b0ccfc4 by task syz.0.17/4467 [ 69.383148][ T4467] [ 69.385485][ T4467] CPU: 1 PID: 4467 Comm: syz.0.17 Not tainted syzkaller #0 [ 69.392683][ T4467] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 69.402752][ T4467] Call Trace: [ 69.406036][ T4467] [ 69.408977][ T4467] dump_stack_lvl+0x168/0x230 [ 69.413667][ T4467] ? show_regs_print_info+0x20/0x20 [ 69.418882][ T4467] ? _printk+0xcc/0x110 [ 69.423068][ T4467] ? search_by_entry_key+0x597/0x1370 [ 69.428453][ T4467] ? load_image+0x3b0/0x3b0 [ 69.432954][ T4467] ? _raw_spin_lock_irqsave+0xb0/0xf0 [ 69.438335][ T4467] print_address_description+0x60/0x2d0 [ 69.443893][ T4467] ? search_by_entry_key+0x597/0x1370 [ 69.449270][ T4467] kasan_report+0xdf/0x130 [ 69.453700][ T4467] ? search_by_entry_key+0x597/0x1370 [ 69.459080][ T4467] search_by_entry_key+0x597/0x1370 [ 69.464281][ T4467] ? make_cpu_key+0x2b/0x220 [ 69.468889][ T4467] reiserfs_find_entry+0x2ff/0x18e0 [ 69.474102][ T4467] ? reiserfs_get_parent+0x270/0x270 [ 69.479402][ T4467] ? memset+0x1e/0x40 [ 69.483392][ T4467] reiserfs_add_entry+0x653/0xd40 [ 69.488431][ T4467] ? drop_new_inode+0x60/0x60 [ 69.493133][ T4467] ? memcpy+0x3c/0x60 [ 69.497127][ T4467] ? journal_begin+0x2b1/0x350 [ 69.501897][ T4467] ? reiserfs_update_inode_transaction+0x1c/0x120 [ 69.508322][ T4467] reiserfs_mkdir+0x68f/0x970 [ 69.513017][ T4467] ? reiserfs_symlink+0x770/0x770 [ 69.518070][ T4467] ? lookup_one_len+0x18e/0x2c0 [ 69.522922][ T4467] ? clear_nonspinnable+0x60/0x60 [ 69.527961][ T4467] open_xa_dir+0x5af/0x6b0 [ 69.532393][ T4467] ? listxattr_filler+0x410/0x410 [ 69.537428][ T4467] xattr_lookup+0x22/0x2a0 [ 69.541841][ T4467] ? reiserfs_xattr_set_handle+0xc5/0xf20 [ 69.547560][ T4467] reiserfs_xattr_set_handle+0xf4/0xf20 [ 69.553124][ T4467] ? __mutex_unlock_slowpath+0x19e/0x6a0 [ 69.558767][ T4467] ? chown_one_xattr+0x90/0x90 [ 69.563530][ T4467] ? mutex_unlock+0x10/0x10 [ 69.568045][ T4467] ? journal_begin+0x1f1/0x350 [ 69.572814][ T4467] ? reiserfs_write_unlock+0xa2/0x110 [ 69.578192][ T4467] reiserfs_xattr_set+0x435/0x550 [ 69.583223][ T4467] ? reiserfs_get_page+0x400/0x400 [ 69.588349][ T4467] ? trusted_set+0x7d/0xe0 [ 69.592766][ T4467] ? trusted_get+0xc0/0xc0 [ 69.597186][ T4467] __vfs_setxattr+0x3e0/0x420 [ 69.601883][ T4467] __vfs_setxattr_noperm+0x129/0x5e0 [ 69.607182][ T4467] vfs_setxattr+0x168/0x2f0 [ 69.611697][ T4467] ? xattr_permission+0x500/0x500 [ 69.616730][ T4467] ? strncpy_from_user+0x1fb/0x360 [ 69.621851][ T4467] setxattr+0x2da/0x300 [ 69.626019][ T4467] ? path_setxattr+0x280/0x280 [ 69.630806][ T4467] ? sb_start_write+0x112/0x1c0 [ 69.635658][ T4467] ? mnt_want_write_file+0x166/0x200 [ 69.640949][ T4467] __se_sys_fsetxattr+0x15e/0x1d0 [ 69.645982][ T4467] do_syscall_64+0x4c/0xa0 [ 69.650411][ T4467] ? clear_bhb_loop+0x30/0x80 [ 69.655114][ T4467] ? clear_bhb_loop+0x30/0x80 [ 69.659798][ T4467] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 69.665700][ T4467] RIP: 0033:0x7ffbf8080749 [ 69.670123][ T4467] 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 [ 69.689733][ T4467] RSP: 002b:00007ffd4e4a06f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000be [ 69.698157][ T4467] RAX: ffffffffffffffda RBX: 00007ffbf82d6fa0 RCX: 00007ffbf8080749 [ 69.706132][ T4467] RDX: 0000000000000000 RSI: 0000200000001700 RDI: 0000000000000004 [ 69.714112][ T4467] RBP: 00007ffbf8104f91 R08: 0000000000000003 R09: 0000000000000000 [ 69.722085][ T4467] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 69.730054][ T4467] R13: 00007ffbf82d6fa0 R14: 00007ffbf82d6fa0 R15: 0000000000000005 [ 69.738035][ T4467] [ 69.741057][ T4467] [ 69.743396][ T4467] The buggy address belongs to the page: [ 69.749027][ T4467] page:ffffea00016c3300 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x5b0cc [ 69.759172][ T4467] flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff) [ 69.766292][ T4467] raw: 00fff00000000000 ffffea00016c3348 ffffea00016c32c8 0000000000000000 [ 69.774883][ T4467] raw: 0000000000000001 0000000000000000 00000000ffffffff 0000000000000000 [ 69.783473][ T4467] page dumped because: kasan: bad access detected [ 69.789887][ T4467] page_owner tracks the page as freed [ 69.795252][ T4467] page last allocated via order 0, migratetype Movable, gfp_mask 0x1100dca(GFP_HIGHUSER_MOVABLE|__GFP_ZERO), pid 4477, ts 69314516811, free_ts 69317357319 [ 69.810788][ T4467] get_page_from_freelist+0x1b77/0x1c60 [ 69.816344][ T4467] __alloc_pages+0x1e1/0x470 [ 69.820943][ T4467] alloc_pages_vma+0x393/0x7c0 [ 69.825709][ T4467] handle_mm_fault+0x237f/0x43b0 [ 69.830648][ T4467] do_user_addr_fault+0x489/0xc80 [ 69.835672][ T4467] exc_page_fault+0x60/0x100 [ 69.840261][ T4467] asm_exc_page_fault+0x22/0x30 [ 69.845118][ T4467] page last free stack trace: [ 69.849795][ T4467] free_unref_page_prepare+0x637/0x6c0 [ 69.855269][ T4467] free_unref_page_list+0x122/0x7e0 [ 69.860480][ T4467] release_pages+0x184b/0x1bb0 [ 69.865263][ T4467] tlb_finish_mmu+0x164/0x2e0 [ 69.869942][ T4467] exit_mmap+0x3a6/0x5f0 [ 69.874185][ T4467] __mmput+0x115/0x3b0 [ 69.878256][ T4467] exit_mm+0x567/0x6c0 [ 69.882324][ T4467] do_exit+0x5a1/0x20a0 [ 69.886480][ T4467] do_group_exit+0x12e/0x300 [ 69.891070][ T4467] __x64_sys_exit_group+0x3b/0x40 [ 69.896099][ T4467] do_syscall_64+0x4c/0xa0 [ 69.900513][ T4467] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 69.906405][ T4467] [ 69.908729][ T4467] Memory state around the buggy address: [ 69.914366][ T4467] ffff88805b0cce80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 69.922441][ T4467] ffff88805b0ccf00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 69.930498][ T4467] >ffff88805b0ccf80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 69.938556][ T4467] ^ [ 69.944711][ T4467] ffff88805b0cd000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 69.952768][ T4467] ffff88805b0cd080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 69.960852][ T4467] ================================================================== [ 69.968910][ T4467] Disabling lock debugging due to kernel taint [ 69.992675][ T4467] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 69.999905][ T4467] CPU: 0 PID: 4467 Comm: syz.0.17 Tainted: G B syzkaller #0 [ 70.008516][ T4467] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 70.018578][ T4467] Call Trace: [ 70.021866][ T4467] [ 70.024806][ T4467] dump_stack_lvl+0x168/0x230 [ 70.029501][ T4467] ? show_regs_print_info+0x20/0x20 [ 70.034710][ T4467] ? load_image+0x3b0/0x3b0 [ 70.039228][ T4467] panic+0x2c9/0x7f0 [ 70.043136][ T4467] ? asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 70.049305][ T4467] ? bpf_jit_dump+0xd0/0xd0 [ 70.053853][ T4467] ? _raw_spin_unlock_irqrestore+0xf6/0x100 [ 70.059755][ T4467] ? _raw_spin_unlock+0x40/0x40 [ 70.064628][ T4467] ? search_by_entry_key+0x597/0x1370 [ 70.070046][ T4467] check_panic_on_warn+0x80/0xa0 [ 70.075003][ T4467] ? search_by_entry_key+0x597/0x1370 [ 70.080412][ T4467] end_report+0x6d/0xf0 [ 70.084587][ T4467] kasan_report+0x102/0x130 [ 70.089116][ T4467] ? search_by_entry_key+0x597/0x1370 [ 70.094533][ T4467] search_by_entry_key+0x597/0x1370 [ 70.099754][ T4467] ? make_cpu_key+0x2b/0x220 [ 70.104365][ T4467] reiserfs_find_entry+0x2ff/0x18e0 [ 70.109584][ T4467] ? reiserfs_get_parent+0x270/0x270 [ 70.114886][ T4467] ? memset+0x1e/0x40 [ 70.118889][ T4467] reiserfs_add_entry+0x653/0xd40 [ 70.123956][ T4467] ? drop_new_inode+0x60/0x60 [ 70.128667][ T4467] ? memcpy+0x3c/0x60 [ 70.132662][ T4467] ? journal_begin+0x2b1/0x350 [ 70.137439][ T4467] ? reiserfs_update_inode_transaction+0x1c/0x120 [ 70.143873][ T4467] reiserfs_mkdir+0x68f/0x970 [ 70.148570][ T4467] ? reiserfs_symlink+0x770/0x770 [ 70.153614][ T4467] ? lookup_one_len+0x18e/0x2c0 [ 70.158477][ T4467] ? clear_nonspinnable+0x60/0x60 [ 70.163606][ T4467] open_xa_dir+0x5af/0x6b0 [ 70.168040][ T4467] ? listxattr_filler+0x410/0x410 [ 70.173083][ T4467] xattr_lookup+0x22/0x2a0 [ 70.177514][ T4467] ? reiserfs_xattr_set_handle+0xc5/0xf20 [ 70.183246][ T4467] reiserfs_xattr_set_handle+0xf4/0xf20 [ 70.188813][ T4467] ? __mutex_unlock_slowpath+0x19e/0x6a0 [ 70.194467][ T4467] ? chown_one_xattr+0x90/0x90 [ 70.199253][ T4467] ? mutex_unlock+0x10/0x10 [ 70.203775][ T4467] ? journal_begin+0x1f1/0x350 [ 70.208550][ T4467] ? reiserfs_write_unlock+0xa2/0x110 [ 70.213936][ T4467] reiserfs_xattr_set+0x435/0x550 [ 70.218983][ T4467] ? reiserfs_get_page+0x400/0x400 [ 70.224113][ T4467] ? trusted_set+0x7d/0xe0 [ 70.228576][ T4467] ? trusted_get+0xc0/0xc0 [ 70.233004][ T4467] __vfs_setxattr+0x3e0/0x420 [ 70.237700][ T4467] __vfs_setxattr_noperm+0x129/0x5e0 [ 70.243001][ T4467] vfs_setxattr+0x168/0x2f0 [ 70.247521][ T4467] ? xattr_permission+0x500/0x500 [ 70.252561][ T4467] ? strncpy_from_user+0x1fb/0x360 [ 70.257684][ T4467] setxattr+0x2da/0x300 [ 70.261851][ T4467] ? path_setxattr+0x280/0x280 [ 70.266668][ T4467] ? sb_start_write+0x112/0x1c0 [ 70.271534][ T4467] ? mnt_want_write_file+0x166/0x200 [ 70.276828][ T4467] __se_sys_fsetxattr+0x15e/0x1d0 [ 70.281865][ T4467] do_syscall_64+0x4c/0xa0 [ 70.286420][ T4467] ? clear_bhb_loop+0x30/0x80 [ 70.291123][ T4467] ? clear_bhb_loop+0x30/0x80 [ 70.295816][ T4467] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 70.301726][ T4467] RIP: 0033:0x7ffbf8080749 [ 70.306149][ T4467] 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 [ 70.325763][ T4467] RSP: 002b:00007ffd4e4a06f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000be [ 70.334188][ T4467] RAX: ffffffffffffffda RBX: 00007ffbf82d6fa0 RCX: 00007ffbf8080749 [ 70.342173][ T4467] RDX: 0000000000000000 RSI: 0000200000001700 RDI: 0000000000000004 [ 70.350158][ T4467] RBP: 00007ffbf8104f91 R08: 0000000000000003 R09: 0000000000000000 [ 70.358144][ T4467] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 70.366124][ T4467] R13: 00007ffbf82d6fa0 R14: 00007ffbf82d6fa0 R15: 0000000000000005 [ 70.374120][ T4467] [ 70.377439][ T4467] Kernel Offset: disabled [ 70.381783][ T4467] Rebooting in 86400 seconds..