no interfaces have a carrier
[ 33.632354][ T3851] 8021q: adding VLAN 0 to HW filter on device bond0
[ 33.643957][ T3851] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting crond: OK
Starting sshd: OK
syzkaller
Warning: Permanently added '10.128.1.77' (ED25519) to the list of known hosts.
2026/08/04 09:07:56 parsed 1 programs
2026/08/04 09:07:56 serving rpc on tcp://41257
syzkaller login: [ 57.514732][ T4197] cgroup: Unknown subsys name 'net'
[ 57.641442][ T4197] cgroup: Unknown subsys name 'rlimit'
Setting up swapspace version 1, size = 127995904 bytes
[ 58.837595][ T4197] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS
[ 60.328285][ T4220] chnl_net:caif_netlink_parms(): no params data found
[ 60.367749][ T4220] bridge0: port 1(bridge_slave_0) entered blocking state
[ 60.375461][ T4220] bridge0: port 1(bridge_slave_0) entered disabled state
[ 60.383178][ T4220] device bridge_slave_0 entered promiscuous mode
[ 60.391850][ T4220] bridge0: port 2(bridge_slave_1) entered blocking state
[ 60.398996][ T4220] bridge0: port 2(bridge_slave_1) entered disabled state
[ 60.407011][ T4220] device bridge_slave_1 entered promiscuous mode
[ 60.427549][ T4220] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 60.438478][ T4220] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 60.458170][ T4220] team0: Port device team_slave_0 added
[ 60.465063][ T4220] team0: Port device team_slave_1 added
[ 60.479528][ T4220] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 60.486538][ T4220] 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.
[ 60.513084][ T4220] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 60.526157][ T4220] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 60.533105][ T4220] 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.
[ 60.559332][ T4220] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 60.586892][ T4220] device hsr_slave_0 entered promiscuous mode
[ 60.594307][ T4220] device hsr_slave_1 entered promiscuous mode
[ 60.708348][ T4220] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 60.720848][ T4220] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 60.730899][ T4220] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 60.742548][ T4220] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 60.771349][ T4220] bridge0: port 2(bridge_slave_1) entered blocking state
[ 60.778576][ T4220] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 60.786459][ T4220] bridge0: port 1(bridge_slave_0) entered blocking state
[ 60.793530][ T4220] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 60.852656][ T4220] 8021q: adding VLAN 0 to HW filter on device bond0
[ 60.870083][ T1198] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 60.884062][ T1198] bridge0: port 1(bridge_slave_0) entered disabled state
[ 60.893423][ T1198] bridge0: port 2(bridge_slave_1) entered disabled state
[ 60.908736][ T4220] 8021q: adding VLAN 0 to HW filter on device team0
[ 60.923752][ T1198] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 60.933062][ T1198] bridge0: port 1(bridge_slave_0) entered blocking state
[ 60.940184][ T1198] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 60.965936][ T1198] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 60.984412][ T1198] bridge0: port 2(bridge_slave_1) entered blocking state
[ 60.991510][ T1198] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 61.003584][ T1198] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 61.012340][ T1198] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 61.028653][ T1198] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 61.043726][ T1198] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 61.067001][ T1198] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 61.080066][ T4220] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 61.201547][ T1198] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 61.209621][ T1198] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 61.223663][ T4220] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 61.244813][ T1198] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 61.255398][ T1198] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 61.276481][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 61.285423][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 61.295856][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 61.303784][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 61.313703][ T4220] device veth0_vlan entered promiscuous mode
[ 61.326638][ T4220] device veth1_vlan entered promiscuous mode
[ 61.348798][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 61.357670][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 61.367217][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 61.376965][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 61.388994][ T4220] device veth0_macvtap entered promiscuous mode
[ 61.399722][ T4220] device veth1_macvtap entered promiscuous mode
[ 61.416529][ T4220] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 61.433898][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 61.442085][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[ 61.451111][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 61.459869][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 61.471663][ T4220] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 61.480678][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 61.489977][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 61.501070][ T4220] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 61.511546][ T4220] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 61.520673][ T4220] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 61.531168][ T4220] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 61.862213][ T9] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 62.706305][ T144] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 62.717210][ T144] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 62.728107][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 62.745316][ T154] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 62.753243][ T154] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 62.761421][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
2026/08/04 09:08:03 executed programs: 0
[ 63.418179][ T4282] chnl_net:caif_netlink_parms(): no params data found
[ 63.454017][ T4282] bridge0: port 1(bridge_slave_0) entered blocking state
[ 63.461162][ T4282] bridge0: port 1(bridge_slave_0) entered disabled state
[ 63.469161][ T4282] device bridge_slave_0 entered promiscuous mode
[ 63.477470][ T4282] bridge0: port 2(bridge_slave_1) entered blocking state
[ 63.484719][ T4282] bridge0: port 2(bridge_slave_1) entered disabled state
[ 63.492314][ T4282] device bridge_slave_1 entered promiscuous mode
[ 63.511792][ T4282] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 63.522651][ T4282] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 63.543168][ T4282] team0: Port device team_slave_0 added
[ 63.550582][ T4282] team0: Port device team_slave_1 added
[ 63.564394][ T4282] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 63.571344][ T4282] 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.
[ 63.597976][ T4282] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 63.609909][ T4282] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 63.617041][ T4282] 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.
[ 63.643460][ T4282] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 63.673393][ T4282] device hsr_slave_0 entered promiscuous mode
[ 63.682254][ T4282] device hsr_slave_1 entered promiscuous mode
[ 63.689355][ T4282] debugfs: Directory 'hsr0' with parent 'hsr' already present!
[ 63.697302][ T4282] Cannot create hsr debugfs directory
[ 64.048667][ T9] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 65.424514][ T4227] Bluetooth: hci0: command 0x0409 tx timeout
[ 66.699516][ T9] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 66.749237][ T9] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 67.514680][ T4246] Bluetooth: hci0: command 0x041b tx timeout
[ 67.661185][ T4282] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 67.671501][ T4282] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 67.682673][ T4282] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 67.701313][ T4282] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 67.741702][ T4282] 8021q: adding VLAN 0 to HW filter on device bond0
[ 67.757128][ T9] device hsr_slave_0 left promiscuous mode
[ 67.763420][ T9] device hsr_slave_1 left promiscuous mode
[ 67.771278][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[ 67.779132][ T9] batman_adv: batadv0: Removing interface: batadv_slave_0
[ 67.788506][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[ 67.795988][ T9] batman_adv: batadv0: Removing interface: batadv_slave_1
[ 67.803503][ T9] device bridge_slave_1 left promiscuous mode
[ 67.810615][ T9] bridge0: port 2(bridge_slave_1) entered disabled state
[ 67.823077][ T9] device bridge_slave_0 left promiscuous mode
[ 67.829810][ T9] bridge0: port 1(bridge_slave_0) entered disabled state
[ 67.846896][ T9] device veth1_macvtap left promiscuous mode
[ 67.853079][ T9] device veth0_macvtap left promiscuous mode
[ 67.859304][ T9] device veth1_vlan left promiscuous mode
[ 67.865608][ T9] device veth0_vlan left promiscuous mode
[ 67.989949][ T9] team0 (unregistering): Port device team_slave_1 removed
[ 68.001349][ T9] team0 (unregistering): Port device team_slave_0 removed
[ 68.013780][ T9] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[ 68.026814][ T9] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[ 68.074025][ T9] bond0 (unregistering): Released all slaves
[ 68.135142][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 68.142873][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 68.154851][ T4282] 8021q: adding VLAN 0 to HW filter on device team0
[ 68.165856][ T1560] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 68.175976][ T1560] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 68.184717][ T1560] bridge0: port 1(bridge_slave_0) entered blocking state
[ 68.191769][ T1560] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 68.199971][ T1560] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[ 68.214206][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 68.222926][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 68.231638][ T154] bridge0: port 2(bridge_slave_1) entered blocking state
[ 68.238871][ T154] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 68.247307][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[ 68.269639][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[ 68.278543][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
[ 68.288864][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 68.297829][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 68.308878][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[ 68.317646][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 68.338457][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[ 68.347138][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 68.356825][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[ 68.365500][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 68.375534][ T4282] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 68.451999][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 68.460125][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 68.473147][ T4282] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 68.488416][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 68.497595][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 68.513281][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 68.522148][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 68.532130][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 68.540086][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 68.549813][ T4282] device veth0_vlan entered promiscuous mode
[ 68.561771][ T4282] device veth1_vlan entered promiscuous mode
[ 68.582089][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 68.591067][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 68.602206][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 68.611971][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 68.624396][ T4282] device veth0_macvtap entered promiscuous mode
[ 68.633613][ T4282] device veth1_macvtap entered promiscuous mode
[ 68.652112][ T4282] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 68.659659][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 68.668308][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[ 68.677891][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 68.687968][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 68.702602][ T4282] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 68.711024][ T1560] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 68.721388][ T1560] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 68.733635][ T4282] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 68.742888][ T4282] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 68.753019][ T4282] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 68.762325][ T4282] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 68.830161][ T144] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 68.847281][ T144] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 68.855810][ T1560] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
2026/08/04 09:08:09 executed programs: 2
[ 68.876275][ T1198] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 68.884197][ T1198] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 68.891749][ T1560] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[ 68.969995][ T4338] svc: failed to register nfsdv3 RPC service (errno 111).
[ 68.979037][ T4338] svc: failed to register nfsaclv3 RPC service (errno 111).
[ 69.047358][ T4282] ==================================================================
[ 69.055606][ T4282] BUG: KASAN: use-after-free in nfsd_shutdown_threads+0x89/0x1a0
[ 69.063342][ T4282] Write of size 4 at addr ffff88807dc19850 by task syz-executor/4282
[ 69.071403][ T4282]
[ 69.073740][ T4282] CPU: 1 PID: 4282 Comm: syz-executor Not tainted syzkaller #0
[ 69.081279][ T4282] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 69.091331][ T4282] Call Trace:
[ 69.094612][ T4282]
[ 69.097536][ T4282] dump_stack_lvl+0x188/0x250
[ 69.102219][ T4282] ? show_regs_print_info+0x20/0x20
[ 69.107422][ T4282] ? load_image+0x410/0x410
[ 69.111929][ T4282] ? _raw_spin_lock_irqsave+0xbc/0x100
[ 69.117385][ T4282] ? rcu_lock_release+0x5/0x20
[ 69.122146][ T4282] print_address_description+0x60/0x2d0
[ 69.127686][ T4282] ? nfsd_shutdown_threads+0x89/0x1a0
[ 69.133054][ T4282] kasan_report+0xdf/0x130
[ 69.137469][ T4282] ? nfsd_shutdown_threads+0x89/0x1a0
[ 69.142838][ T4282] kasan_check_range+0x235/0x290
[ 69.147776][ T4282] nfsd_shutdown_threads+0x89/0x1a0
[ 69.152968][ T4282] nfsd_umount+0x3e/0xc0
[ 69.157216][ T4282] deactivate_locked_super+0x93/0xf0
[ 69.162505][ T4282] cleanup_mnt+0x426/0x4d0
[ 69.166926][ T4282] task_work_run+0x125/0x1a0
[ 69.171518][ T4282] exit_to_user_mode_loop+0x10f/0x130
[ 69.176883][ T4282] exit_to_user_mode_prepare+0xee/0x180
[ 69.182423][ T4282] syscall_exit_to_user_mode+0x16/0x40
[ 69.187879][ T4282] do_syscall_64+0x58/0xa0
[ 69.192283][ T4282] ? clear_bhb_loop+0x30/0x80
[ 69.196953][ T4282] ? clear_bhb_loop+0x30/0x80
[ 69.201627][ T4282] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 69.207525][ T4282] RIP: 0033:0x7f2210ea8257
[ 69.211937][ T4282] 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
[ 69.231534][ T4282] RSP: 002b:00007ffd3bc7e4e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 69.239949][ T4282] RAX: 0000000000000000 RBX: 00007f2210f3d45c RCX: 00007f2210ea8257
[ 69.247915][ T4282] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd3bc7e5a0
[ 69.255880][ T4282] RBP: 00007ffd3bc7e5a0 R08: 00007ffd3bc7f5a0 R09: 00000000ffffffff
[ 69.263847][ T4282] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd3bc7f630
[ 69.271812][ T4282] R13: 00007f2210f3d45c R14: 0000000000010d2c R15: 00007ffd3bc7f670
[ 69.279793][ T4282]
[ 69.282804][ T4282]
[ 69.285117][ T4282] Allocated by task 4338:
[ 69.289429][ T4282] __kasan_kmalloc+0xaf/0xe0
[ 69.294015][ T4282] __svc_create+0x60/0x9d0
[ 69.298422][ T4282] svc_create_pooled+0x62f/0x810
[ 69.303346][ T4282] nfsd_create_serv+0x2f9/0x700
[ 69.308192][ T4282] nfsd_svc+0x132/0x9e0
[ 69.312342][ T4282] write_threads+0x2ea/0x350
[ 69.316923][ T4282] nfsctl_transaction_write+0x105/0x150
[ 69.322557][ T4282] vfs_write+0x304/0xd70
[ 69.326809][ T4282] ksys_write+0x153/0x260
[ 69.331129][ T4282] do_syscall_64+0x4c/0xa0
[ 69.335532][ T4282] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 69.341420][ T4282]
[ 69.343732][ T4282] Freed by task 4338:
[ 69.347697][ T4282] kasan_set_track+0x4b/0x70
[ 69.352290][ T4282] kasan_set_free_info+0x1f/0x40
[ 69.357225][ T4282] ____kasan_slab_free+0xd5/0x110
[ 69.362250][ T4282] slab_free_freelist_hook+0xec/0x170
[ 69.367629][ T4282] kfree+0xef/0x2a0
[ 69.371436][ T4282] nfsd_svc+0x7cf/0x9e0
[ 69.375581][ T4282] write_threads+0x2ea/0x350
[ 69.380169][ T4282] nfsctl_transaction_write+0x105/0x150
[ 69.385712][ T4282] vfs_write+0x304/0xd70
[ 69.389947][ T4282] ksys_write+0x153/0x260
[ 69.394267][ T4282] do_syscall_64+0x4c/0xa0
[ 69.398675][ T4282] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 69.404565][ T4282]
[ 69.406879][ T4282] The buggy address belongs to the object at ffff88807dc19800
[ 69.406879][ T4282] which belongs to the cache kmalloc-512 of size 512
[ 69.420926][ T4282] The buggy address is located 80 bytes inside of
[ 69.420926][ T4282] 512-byte region [ffff88807dc19800, ffff88807dc19a00)
[ 69.434109][ T4282] The buggy address belongs to the page:
[ 69.439734][ T4282] page:ffffea0001f70600 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x7dc18
[ 69.449878][ T4282] head:ffffea0001f70600 order:2 compound_mapcount:0 compound_pincount:0
[ 69.458201][ T4282] flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff)
[ 69.466202][ T4282] raw: 00fff00000010200 0000000000000000 dead000000000122 ffff888016c41c80
[ 69.474785][ T4282] raw: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000
[ 69.483355][ T4282] page dumped because: kasan: bad access detected
[ 69.489772][ T4282] page_owner tracks the page as allocated
[ 69.495475][ T4282] page last allocated via order 2, migratetype Unmovable, gfp_mask 0x1d20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL), pid 4282, ts 68917646192, free_ts 67982336587
[ 69.515956][ T4282] get_page_from_freelist+0x24f6/0x2670
[ 69.521505][ T4282] __alloc_pages+0x1ee/0x480
[ 69.526077][ T4282] new_slab+0xc0/0x4b0
[ 69.530128][ T4282] ___slab_alloc+0x807/0xdd0
[ 69.534698][ T4282] kmem_cache_alloc_trace+0xf9/0x290
[ 69.539981][ T4282] kernfs_fop_open+0x3c9/0xba0
[ 69.544727][ T4282] do_dentry_open+0x7f7/0xf90
[ 69.549387][ T4282] path_openat+0x2718/0x2fb0
[ 69.553960][ T4282] do_filp_open+0x1df/0x400
[ 69.558443][ T4282] do_sys_openat2+0x14b/0x500
[ 69.563098][ T4282] __x64_sys_openat+0x135/0x160
[ 69.567929][ T4282] do_syscall_64+0x4c/0xa0
[ 69.572328][ T4282] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 69.578205][ T4282] page last free stack trace:
[ 69.582854][ T4282] free_unref_page_prepare+0x637/0x6c0
[ 69.588297][ T4282] free_unref_page+0x8f/0x2a0
[ 69.592957][ T4282] __unfreeze_partials+0x188/0x1e0
[ 69.598051][ T4282] put_cpu_partial+0x12d/0x190
[ 69.602794][ T4282] qlist_free_all+0x35/0x90
[ 69.607276][ T4282] kasan_quarantine_reduce+0x150/0x160
[ 69.612714][ T4282] __kasan_slab_alloc+0x2f/0xc0
[ 69.617545][ T4282] slab_post_alloc_hook+0x4c/0x380
[ 69.622637][ T4282] kmem_cache_alloc_node+0x184/0x2c0
[ 69.627900][ T4282] __alloc_skb+0xf4/0x750
[ 69.632215][ T4282] inet6_netconf_notify_devconf+0x10b/0x1d0
[ 69.638104][ T4282] addrconf_ifdown+0x16af/0x19f0
[ 69.643031][ T4282] addrconf_notify+0x445/0xf20
[ 69.647776][ T4282] raw_notifier_call_chain+0xcb/0x160
[ 69.653135][ T4282] unregister_netdevice_many+0x109b/0x1a40
[ 69.658924][ T4282] default_device_exit_batch+0x364/0x3c0
[ 69.664551][ T4282]
[ 69.666856][ T4282] Memory state around the buggy address:
[ 69.672463][ T4282] ffff88807dc19700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 69.680503][ T4282] ffff88807dc19780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 69.688540][ T4282] >ffff88807dc19800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 69.696582][ T4282] ^
[ 69.703236][ T4282] ffff88807dc19880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 69.711298][ T4282] ffff88807dc19900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 69.719337][ T4282] ==================================================================
[ 69.727374][ T4282] Disabling lock debugging due to kernel taint
[ 69.736074][ T7] Bluetooth: hci0: command 0x040f tx timeout
[ 69.743182][ T4282] Kernel panic - not syncing: KASAN: panic_on_warn set ...
[ 69.750386][ T4282] CPU: 0 PID: 4282 Comm: syz-executor Tainted: G B syzkaller #0
[ 69.759315][ T4282] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 69.769371][ T4282] Call Trace:
[ 69.772694][ T4282]
[ 69.775627][ T4282] dump_stack_lvl+0x188/0x250
[ 69.780313][ T4282] ? show_regs_print_info+0x20/0x20
[ 69.785501][ T4282] ? load_image+0x410/0x410
[ 69.789989][ T4282] panic+0x2f8/0x850
[ 69.793866][ T4282] ? bpf_jit_dump+0xd0/0xd0
[ 69.798362][ T4282] ? _raw_spin_unlock_irqrestore+0x10d/0x120
[ 69.804333][ T4282] ? _raw_spin_unlock+0x40/0x40
[ 69.809164][ T4282] ? nfsd_shutdown_threads+0x89/0x1a0
[ 69.814517][ T4282] check_panic_on_warn+0x80/0xa0
[ 69.819434][ T4282] ? nfsd_shutdown_threads+0x89/0x1a0
[ 69.824787][ T4282] end_report+0x6d/0xf0
[ 69.828998][ T4282] kasan_report+0x102/0x130
[ 69.833524][ T4282] ? nfsd_shutdown_threads+0x89/0x1a0
[ 69.838878][ T4282] kasan_check_range+0x235/0x290
[ 69.843803][ T4282] nfsd_shutdown_threads+0x89/0x1a0
[ 69.849001][ T4282] nfsd_umount+0x3e/0xc0
[ 69.853222][ T4282] deactivate_locked_super+0x93/0xf0
[ 69.858487][ T4282] cleanup_mnt+0x426/0x4d0
[ 69.862887][ T4282] task_work_run+0x125/0x1a0
[ 69.867465][ T4282] exit_to_user_mode_loop+0x10f/0x130
[ 69.872830][ T4282] exit_to_user_mode_prepare+0xee/0x180
[ 69.878360][ T4282] syscall_exit_to_user_mode+0x16/0x40
[ 69.883809][ T4282] do_syscall_64+0x58/0xa0
[ 69.888220][ T4282] ? clear_bhb_loop+0x30/0x80
[ 69.892898][ T4282] ? clear_bhb_loop+0x30/0x80
[ 69.897574][ T4282] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 69.903457][ T4282] RIP: 0033:0x7f2210ea8257
[ 69.907858][ T4282] 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
[ 69.927449][ T4282] RSP: 002b:00007ffd3bc7e4e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 69.935847][ T4282] RAX: 0000000000000000 RBX: 00007f2210f3d45c RCX: 00007f2210ea8257
[ 69.943810][ T4282] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd3bc7e5a0
[ 69.951768][ T4282] RBP: 00007ffd3bc7e5a0 R08: 00007ffd3bc7f5a0 R09: 00000000ffffffff
[ 69.959740][ T4282] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd3bc7f630
[ 69.967692][ T4282] R13: 00007f2210f3d45c R14: 0000000000010d2c R15: 00007ffd3bc7f670
[ 69.975648][ T4282]
[ 69.978855][ T4282] Kernel Offset: disabled
[ 69.983169][ T4282] Rebooting in 86400 seconds..