Warning: Permanently added '10.128.1.110' (ED25519) to the list of known hosts.
2026/07/31 08:59:39 parsed 1 programs
2026/07/31 08:59:39 serving rpc on tcp://36239
[ 74.504209][ T4197] cgroup: Unknown subsys name 'net'
[ 74.644277][ T4197] cgroup: Unknown subsys name 'rlimit'
Setting up swapspace version 1, size = 127995904 bytes
[ 76.270471][ T4197] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS
[ 78.754208][ T154] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 78.773923][ T154] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 78.796917][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 78.815185][ T144] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 78.824235][ T144] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 78.833565][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[ 80.318280][ T4283] chnl_net:caif_netlink_parms(): no params data found
[ 80.373632][ T4283] bridge0: port 1(bridge_slave_0) entered blocking state
[ 80.381553][ T4283] bridge0: port 1(bridge_slave_0) entered disabled state
[ 80.391219][ T4283] device bridge_slave_0 entered promiscuous mode
[ 80.400409][ T4283] bridge0: port 2(bridge_slave_1) entered blocking state
[ 80.409723][ T4283] bridge0: port 2(bridge_slave_1) entered disabled state
[ 80.419028][ T4283] device bridge_slave_1 entered promiscuous mode
[ 80.441388][ T4283] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 80.452849][ T4283] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 80.477699][ T4283] team0: Port device team_slave_0 added
[ 80.487078][ T4283] team0: Port device team_slave_1 added
[ 80.507316][ T4283] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 80.514312][ T4283] 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.
[ 80.541171][ T4283] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 80.555706][ T4283] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 80.563076][ T4283] 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.
[ 80.590210][ T4283] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 80.651853][ T4283] device hsr_slave_0 entered promiscuous mode
[ 80.659477][ T4283] device hsr_slave_1 entered promiscuous mode
[ 80.826135][ T4283] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 80.861149][ T4283] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 80.872200][ T4283] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 80.884166][ T4283] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 80.970229][ T4283] 8021q: adding VLAN 0 to HW filter on device bond0
[ 81.005699][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 81.014900][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 81.026744][ T4283] 8021q: adding VLAN 0 to HW filter on device team0
[ 81.039618][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 81.050586][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 81.060605][ T154] bridge0: port 1(bridge_slave_0) entered blocking state
[ 81.067998][ T154] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 81.078182][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[ 81.091919][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 81.101585][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 81.110205][ T155] bridge0: port 2(bridge_slave_1) entered blocking state
[ 81.117314][ T155] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 81.152530][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[ 81.165730][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[ 81.178726][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
[ 81.190853][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 81.200097][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 81.230721][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[ 81.240452][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 81.252306][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[ 81.261909][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 81.292405][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[ 81.301162][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 81.312348][ T4283] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 81.441852][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 81.449675][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 81.464675][ T4283] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 81.492413][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 81.501811][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 81.543356][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 81.553074][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 81.563319][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 81.571950][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 81.582805][ T4283] device veth0_vlan entered promiscuous mode
[ 81.600526][ T4283] device veth1_vlan entered promiscuous mode
[ 81.625824][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 81.634370][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 81.646723][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 81.661375][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 81.675216][ T4283] device veth0_macvtap entered promiscuous mode
[ 81.689983][ T4283] device veth1_macvtap entered promiscuous mode
[ 81.713680][ T4283] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 81.723392][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 81.732683][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[ 81.742284][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 81.752791][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 81.770405][ T4283] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 81.780554][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 81.792135][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 81.808600][ T4283] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 81.818740][ T4283] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 81.829223][ T4283] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 81.838336][ T4283] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 81.969592][ T4283] syz-executor (4283) used greatest stack depth: 20528 bytes left
2026/07/31 08:59:49 executed programs: 0
[ 82.818662][ T4308] chnl_net:caif_netlink_parms(): no params data found
[ 82.885150][ T4308] bridge0: port 1(bridge_slave_0) entered blocking state
[ 82.892450][ T4308] bridge0: port 1(bridge_slave_0) entered disabled state
[ 82.900884][ T4308] device bridge_slave_0 entered promiscuous mode
[ 82.909607][ T4308] bridge0: port 2(bridge_slave_1) entered blocking state
[ 82.916973][ T4308] bridge0: port 2(bridge_slave_1) entered disabled state
[ 82.926587][ T4308] device bridge_slave_1 entered promiscuous mode
[ 82.954216][ T4308] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 82.968301][ T4308] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 82.998406][ T4308] team0: Port device team_slave_0 added
[ 83.007627][ T4308] team0: Port device team_slave_1 added
[ 83.032362][ T4308] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 83.040213][ T4308] 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.
[ 83.067423][ T4308] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 83.082006][ T4308] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 83.090968][ T4308] 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.
[ 83.119226][ T4308] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 83.154489][ T4308] device hsr_slave_0 entered promiscuous mode
[ 83.163276][ T4308] device hsr_slave_1 entered promiscuous mode
[ 83.171055][ T4308] debugfs: Directory 'hsr0' with parent 'hsr' already present!
[ 83.179413][ T4308] Cannot create hsr debugfs directory
[ 83.297088][ T4308] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 84.758146][ T4277] Bluetooth: hci0: command 0x0409 tx timeout
[ 86.145402][ T4308] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 86.314236][ T4308] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 86.389464][ T4308] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 86.553810][ T4308] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 86.565117][ T4308] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 86.574625][ T4308] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 86.585693][ T4308] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 86.650391][ T4308] 8021q: adding VLAN 0 to HW filter on device bond0
[ 86.662934][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 86.671462][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 86.692705][ T4308] 8021q: adding VLAN 0 to HW filter on device team0
[ 86.702456][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 86.711426][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 86.720283][ T155] bridge0: port 1(bridge_slave_0) entered blocking state
[ 86.727411][ T155] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 86.735961][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[ 86.762029][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 86.772553][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 86.781221][ T154] bridge0: port 2(bridge_slave_1) entered blocking state
[ 86.788361][ T154] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 86.800188][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[ 86.826166][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[ 86.841329][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
[ 86.852710][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 86.858830][ T4277] Bluetooth: hci0: command 0x041b tx timeout
[ 86.880282][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 86.888806][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[ 86.898587][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 86.911705][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[ 86.921753][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 86.932963][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[ 86.942055][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 86.955723][ T4308] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 87.114682][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 87.125927][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 87.202014][ T4308] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 87.226407][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 87.238282][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 87.272756][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 87.282449][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 87.292184][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 87.301606][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 87.312031][ T4308] device veth0_vlan entered promiscuous mode
[ 87.326016][ T4308] device veth1_vlan entered promiscuous mode
[ 87.412538][ T1223] device hsr_slave_0 left promiscuous mode
[ 87.419448][ T1223] device hsr_slave_1 left promiscuous mode
[ 87.429971][ T1223] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[ 87.438522][ T1223] batman_adv: batadv0: Removing interface: batadv_slave_0
[ 87.447576][ T1223] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[ 87.455022][ T1223] batman_adv: batadv0: Removing interface: batadv_slave_1
[ 87.463405][ T1223] device bridge_slave_1 left promiscuous mode
[ 87.470759][ T1223] bridge0: port 2(bridge_slave_1) entered disabled state
[ 87.484795][ T1223] device bridge_slave_0 left promiscuous mode
[ 87.491372][ T1223] bridge0: port 1(bridge_slave_0) entered disabled state
[ 87.510058][ T1223] device veth1_macvtap left promiscuous mode
[ 87.516451][ T1223] device veth0_macvtap left promiscuous mode
[ 87.522988][ T1223] device veth1_vlan left promiscuous mode
[ 87.529674][ T1223] device veth0_vlan left promiscuous mode
[ 87.701816][ T1223] team0 (unregistering): Port device team_slave_1 removed
[ 87.715327][ T1223] team0 (unregistering): Port device team_slave_0 removed
[ 87.730048][ T1223] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[ 87.744650][ T1223] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[ 87.803583][ T1223] bond0 (unregistering): Released all slaves
[ 87.888084][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 87.896757][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 87.912042][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 87.922184][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 87.934341][ T4308] device veth0_macvtap entered promiscuous mode
[ 87.945050][ T4308] device veth1_macvtap entered promiscuous mode
[ 87.969607][ T4308] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 87.982262][ T4308] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 87.990210][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 87.999287][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[ 88.008219][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 88.017086][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 88.027360][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 88.036104][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 88.049864][ T4308] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 88.058900][ T4308] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 88.068882][ T4308] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 88.078814][ T4308] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 88.167747][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 88.178163][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 88.186881][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 88.209455][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 88.218622][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 88.227865][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[ 88.320916][ T4320] svc: failed to register nfsdv3 RPC service (errno 111).
[ 88.330460][ T4320] svc: failed to register nfsaclv3 RPC service (errno 111).
[ 88.418096][ T4308] ==================================================================
[ 88.426417][ T4308] BUG: KASAN: use-after-free in nfsd_shutdown_threads+0x89/0x1a0
[ 88.434190][ T4308] Write of size 4 at addr ffff888028fea050 by task syz-executor/4308
[ 88.442302][ T4308]
[ 88.444668][ T4308] CPU: 1 PID: 4308 Comm: syz-executor Not tainted syzkaller #0
[ 88.452236][ T4308] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 88.462345][ T4308] Call Trace:
[ 88.465659][ T4308]
[ 88.468614][ T4308] dump_stack_lvl+0x188/0x250
[ 88.473347][ T4308] ? show_regs_print_info+0x20/0x20
[ 88.478598][ T4308] ? load_image+0x410/0x410
[ 88.483144][ T4308] ? _raw_spin_lock_irqsave+0xbc/0x100
[ 88.488651][ T4308] ? rcu_lock_release+0x5/0x20
[ 88.493462][ T4308] print_address_description+0x60/0x2d0
[ 88.499117][ T4308] ? nfsd_shutdown_threads+0x89/0x1a0
[ 88.504532][ T4308] kasan_report+0xdf/0x130
[ 88.508989][ T4308] ? nfsd_shutdown_threads+0x89/0x1a0
[ 88.514435][ T4308] kasan_check_range+0x235/0x290
[ 88.519493][ T4308] nfsd_shutdown_threads+0x89/0x1a0
[ 88.524721][ T4308] nfsd_umount+0x3e/0xc0
[ 88.529091][ T4308] deactivate_locked_super+0x93/0xf0
[ 88.534418][ T4308] cleanup_mnt+0x426/0x4d0
[ 88.538877][ T4308] task_work_run+0x125/0x1a0
[ 88.543514][ T4308] exit_to_user_mode_loop+0x10f/0x130
[ 88.548944][ T4308] exit_to_user_mode_prepare+0xee/0x180
[ 88.554700][ T4308] syscall_exit_to_user_mode+0x16/0x40
[ 88.560908][ T4308] do_syscall_64+0x58/0xa0
[ 88.565372][ T4308] ? clear_bhb_loop+0x30/0x80
[ 88.570078][ T4308] ? clear_bhb_loop+0x30/0x80
[ 88.574795][ T4308] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 88.580740][ T4308] RIP: 0033:0x7f40a9fcb257
[ 88.585193][ T4308] Code: a2 c7 05 9c 44 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[ 88.605380][ T4308] RSP: 002b:00007ffd369e6d48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 88.613834][ T4308] RAX: 0000000000000000 RBX: 00007f40aa06045c RCX: 00007f40a9fcb257
[ 88.622413][ T4308] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd369e6e00
[ 88.630615][ T4308] RBP: 00007ffd369e6e00 R08: 00007ffd369e7e00 R09: 00000000ffffffff
[ 88.639333][ T4308] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd369e7e90
[ 88.648191][ T4308] R13: 00007f40aa06045c R14: 0000000000015898 R15: 00007ffd369e7ed0
[ 88.656307][ T4308]
[ 88.659353][ T4308]
[ 88.661704][ T4308] Allocated by task 4320:
[ 88.666161][ T4308] __kasan_kmalloc+0xaf/0xe0
[ 88.670810][ T4308] __svc_create+0x60/0x9d0
[ 88.675256][ T4308] svc_create_pooled+0x62f/0x810
[ 88.680314][ T4308] nfsd_create_serv+0x2f9/0x700
[ 88.685202][ T4308] nfsd_svc+0x132/0x9e0
[ 88.689386][ T4308] write_threads+0x2ea/0x350
[ 88.694001][ T4308] nfsctl_transaction_write+0x105/0x150
[ 88.699576][ T4308] vfs_write+0x304/0xd70
[ 88.703864][ T4308] ksys_write+0x153/0x260
[ 88.708219][ T4308] do_syscall_64+0x4c/0xa0
[ 88.712659][ T4308] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 88.718598][ T4308]
[ 88.720957][ T4308] Freed by task 4320:
[ 88.724957][ T4308] kasan_set_track+0x4b/0x70
[ 88.729582][ T4308] kasan_set_free_info+0x1f/0x40
[ 88.734646][ T4308] ____kasan_slab_free+0xd5/0x110
[ 88.739716][ T4308] slab_free_freelist_hook+0xec/0x170
[ 88.745183][ T4308] kfree+0xef/0x2a0
[ 88.749025][ T4308] nfsd_svc+0x7cf/0x9e0
[ 88.753417][ T4308] write_threads+0x2ea/0x350
[ 88.758214][ T4308] nfsctl_transaction_write+0x105/0x150
[ 88.763790][ T4308] vfs_write+0x304/0xd70
[ 88.768155][ T4308] ksys_write+0x153/0x260
[ 88.772508][ T4308] do_syscall_64+0x4c/0xa0
[ 88.776947][ T4308] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 88.782873][ T4308]
[ 88.785222][ T4308] The buggy address belongs to the object at ffff888028fea000
[ 88.785222][ T4308] which belongs to the cache kmalloc-512 of size 512
[ 88.799821][ T4308] The buggy address is located 80 bytes inside of
[ 88.799821][ T4308] 512-byte region [ffff888028fea000, ffff888028fea200)
[ 88.813048][ T4308] The buggy address belongs to the page:
[ 88.818726][ T4308] page:ffffea0000a3fa00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x28fe8
[ 88.828912][ T4308] head:ffffea0000a3fa00 order:2 compound_mapcount:0 compound_pincount:0
[ 88.837299][ T4308] flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff)
[ 88.845361][ T4308] raw: 00fff00000010200 0000000000000000 0000000100000001 ffff888016c41c80
[ 88.854080][ T4308] raw: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000
[ 88.862773][ T4308] page dumped because: kasan: bad access detected
[ 88.869392][ T4308] page_owner tracks the page as allocated
[ 88.875127][ T4308] page last allocated via order 2, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 2722, ts 21829782833, free_ts 0
[ 88.893398][ T4308] get_page_from_freelist+0x24f6/0x2670
[ 88.898988][ T4308] __alloc_pages+0x1ee/0x480
[ 88.903635][ T4308] new_slab+0xc0/0x4b0
[ 88.907730][ T4308] ___slab_alloc+0x807/0xdd0
[ 88.912347][ T4308] kmem_cache_alloc_trace+0xf9/0x290
[ 88.917661][ T4308] alloc_bprm+0x56/0x690
[ 88.921954][ T4308] kernel_execve+0x49/0x8e0
[ 88.926482][ T4308] call_usermodehelper_exec_async+0x207/0x350
[ 88.932582][ T4308] ret_from_fork+0x1f/0x30
[ 88.937042][ T4308] page_owner free stack trace missing
[ 88.942441][ T4308]
[ 88.944799][ T4308] Memory state around the buggy address:
[ 88.950469][ T4308] ffff888028fe9f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 88.958570][ T4308] ffff888028fe9f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 88.966671][ T4308] >ffff888028fea000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 88.974776][ T4308] ^
[ 88.981489][ T4308] ffff888028fea080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 88.989918][ T4308] ffff888028fea100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 88.998336][ T4308] ==================================================================
[ 89.006436][ T4308] Disabling lock debugging due to kernel taint
[ 89.017767][ T4274] Bluetooth: hci0: command 0x040f tx timeout
[ 89.037854][ T4308] Kernel panic - not syncing: KASAN: panic_on_warn set ...
[ 89.045266][ T4308] CPU: 0 PID: 4308 Comm: syz-executor Tainted: G B syzkaller #0
[ 89.054247][ T4308] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 89.064869][ T4308] Call Trace:
[ 89.068184][ T4308]
[ 89.071157][ T4308] dump_stack_lvl+0x188/0x250
[ 89.075929][ T4308] ? show_regs_print_info+0x20/0x20
[ 89.081195][ T4308] ? load_image+0x410/0x410
[ 89.085741][ T4308] panic+0x2f8/0x850
[ 89.089675][ T4308] ? bpf_jit_dump+0xd0/0xd0
[ 89.094397][ T4308] ? _raw_spin_unlock_irqrestore+0x10d/0x120
[ 89.100830][ T4308] ? _raw_spin_unlock+0x40/0x40
[ 89.105748][ T4308] ? nfsd_shutdown_threads+0x89/0x1a0
[ 89.111338][ T4308] check_panic_on_warn+0x80/0xa0
[ 89.116442][ T4308] ? nfsd_shutdown_threads+0x89/0x1a0
[ 89.121858][ T4308] end_report+0x6d/0xf0
[ 89.126671][ T4308] kasan_report+0x102/0x130
[ 89.131223][ T4308] ? nfsd_shutdown_threads+0x89/0x1a0
[ 89.136635][ T4308] kasan_check_range+0x235/0x290
[ 89.141620][ T4308] nfsd_shutdown_threads+0x89/0x1a0
[ 89.146855][ T4308] nfsd_umount+0x3e/0xc0
[ 89.151135][ T4308] deactivate_locked_super+0x93/0xf0
[ 89.156462][ T4308] cleanup_mnt+0x426/0x4d0
[ 89.160913][ T4308] task_work_run+0x125/0x1a0
[ 89.165549][ T4308] exit_to_user_mode_loop+0x10f/0x130
[ 89.171012][ T4308] exit_to_user_mode_prepare+0xee/0x180
[ 89.176683][ T4308] syscall_exit_to_user_mode+0x16/0x40
[ 89.182304][ T4308] do_syscall_64+0x58/0xa0
[ 89.186758][ T4308] ? clear_bhb_loop+0x30/0x80
[ 89.191471][ T4308] ? clear_bhb_loop+0x30/0x80
[ 89.196188][ T4308] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 89.202115][ T4308] RIP: 0033:0x7f40a9fcb257
[ 89.206563][ T4308] Code: a2 c7 05 9c 44 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[ 89.226193][ T4308] RSP: 002b:00007ffd369e6d48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 89.234641][ T4308] RAX: 0000000000000000 RBX: 00007f40aa06045c RCX: 00007f40a9fcb257
[ 89.242654][ T4308] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd369e6e00
[ 89.250843][ T4308] RBP: 00007ffd369e6e00 R08: 00007ffd369e7e00 R09: 00000000ffffffff
[ 89.258850][ T4308] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd369e7e90
[ 89.266952][ T4308] R13: 00007f40aa06045c R14: 0000000000015898 R15: 00007ffd369e7ed0
[ 89.275050][ T4308]
[ 89.278202][ T4308] Kernel Offset: disabled
[ 89.282544][ T4308] Rebooting in 86400 seconds..