Warning: Permanently added '10.128.0.241' (ED25519) to the list of known hosts.
2026/08/01 01:00:33 parsed 1 programs
2026/08/01 01:00:33 serving rpc on tcp://46775
syzkaller login: [ 70.707256][ T4197] cgroup: Unknown subsys name 'net'
[ 70.838042][ T4197] cgroup: Unknown subsys name 'rlimit'
Setting up swapspace version 1, size = 127995904 bytes
[ 71.354994][ T1427] ieee802154 phy0 wpan0: encryption failed: -22
[ 71.361623][ T1427] ieee802154 phy1 wpan1: encryption failed: -22
[ 72.397272][ T4197] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS
[ 74.716155][ T398] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 74.729329][ T398] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 74.741488][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 74.768009][ T144] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 74.776572][ T144] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 74.787254][ T1414] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[ 76.307192][ T4276] chnl_net:caif_netlink_parms(): no params data found
[ 76.374671][ T4276] bridge0: port 1(bridge_slave_0) entered blocking state
[ 76.383200][ T4276] bridge0: port 1(bridge_slave_0) entered disabled state
[ 76.391447][ T4276] device bridge_slave_0 entered promiscuous mode
[ 76.400509][ T4276] bridge0: port 2(bridge_slave_1) entered blocking state
[ 76.407731][ T4276] bridge0: port 2(bridge_slave_1) entered disabled state
[ 76.415889][ T4276] device bridge_slave_1 entered promiscuous mode
[ 76.454300][ T4276] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 76.465429][ T4276] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 76.488649][ T4276] team0: Port device team_slave_0 added
[ 76.497783][ T4276] team0: Port device team_slave_1 added
[ 76.516813][ T4276] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 76.524188][ T4276] 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.
[ 76.550405][ T4276] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 76.578320][ T4276] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 76.585574][ T4276] 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.
[ 76.611944][ T4276] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 76.659640][ T4276] device hsr_slave_0 entered promiscuous mode
[ 76.667492][ T4276] device hsr_slave_1 entered promiscuous mode
[ 76.798272][ T4276] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 76.810550][ T4276] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 76.820484][ T4276] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 76.845737][ T4276] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 76.918893][ T4276] 8021q: adding VLAN 0 to HW filter on device bond0
[ 76.933030][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 76.943981][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 76.955195][ T4276] 8021q: adding VLAN 0 to HW filter on device team0
[ 76.978405][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 76.988337][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 76.997801][ T144] bridge0: port 1(bridge_slave_0) entered blocking state
[ 77.005147][ T144] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 77.014080][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[ 77.027206][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 77.036897][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 77.045565][ T144] bridge0: port 2(bridge_slave_1) entered blocking state
[ 77.052880][ T144] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 77.064615][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[ 77.077050][ T1414] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[ 77.105354][ T1414] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
[ 77.115523][ T1414] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 77.124794][ T1414] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 77.143788][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[ 77.154422][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 77.163061][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[ 77.172803][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 77.182303][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[ 77.190725][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 77.214331][ T4276] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 77.336545][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 77.344221][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 77.366177][ T4276] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 77.386953][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 77.397245][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 77.418782][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 77.428838][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 77.440009][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 77.448467][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 77.461188][ T4276] device veth0_vlan entered promiscuous mode
[ 77.476424][ T4276] device veth1_vlan entered promiscuous mode
[ 77.502136][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 77.513817][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 77.524061][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 77.534669][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 77.545696][ T4276] device veth0_macvtap entered promiscuous mode
[ 77.559307][ T4276] device veth1_macvtap entered promiscuous mode
[ 77.578374][ T4276] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 77.588045][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 77.604958][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[ 77.613966][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 77.624135][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 77.637662][ T4276] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 77.646832][ T1414] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 77.656893][ T1414] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 77.669695][ T4276] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 77.680054][ T4276] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 77.689272][ T4276] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 77.698242][ T4276] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
2026/08/01 01:00:43 executed programs: 0
[ 78.718495][ T4299] chnl_net:caif_netlink_parms(): no params data found
[ 78.778894][ T4299] bridge0: port 1(bridge_slave_0) entered blocking state
[ 78.786328][ T4299] bridge0: port 1(bridge_slave_0) entered disabled state
[ 78.795450][ T4299] device bridge_slave_0 entered promiscuous mode
[ 78.804127][ T4299] bridge0: port 2(bridge_slave_1) entered blocking state
[ 78.811644][ T4299] bridge0: port 2(bridge_slave_1) entered disabled state
[ 78.819643][ T4299] device bridge_slave_1 entered promiscuous mode
[ 78.846254][ T4299] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 78.857869][ T4299] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 78.884477][ T4299] team0: Port device team_slave_0 added
[ 78.893761][ T4299] team0: Port device team_slave_1 added
[ 78.916319][ T4299] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 78.923383][ T4299] 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.
[ 78.950969][ T4299] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 78.967056][ T4299] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 78.976411][ T4299] 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.
[ 79.004875][ T4299] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 79.047126][ T4299] device hsr_slave_0 entered promiscuous mode
[ 79.054408][ T4299] device hsr_slave_1 entered promiscuous mode
[ 79.063547][ T4299] debugfs: Directory 'hsr0' with parent 'hsr' already present!
[ 79.072911][ T4299] Cannot create hsr debugfs directory
[ 79.174914][ T4299] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 80.632005][ T4214] Bluetooth: hci0: command 0x0409 tx timeout
[ 81.988265][ T4299] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 82.725613][ T4264] Bluetooth: hci0: command 0x041b tx timeout
[ 82.736629][ T4299] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 82.788853][ T4299] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 82.917028][ T4299] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 82.928429][ T4299] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 82.937718][ T4299] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 82.947465][ T4299] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 83.013043][ T4299] 8021q: adding VLAN 0 to HW filter on device bond0
[ 83.044606][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 83.053440][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 83.064722][ T4299] 8021q: adding VLAN 0 to HW filter on device team0
[ 83.094284][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 83.103241][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 83.112881][ T398] bridge0: port 1(bridge_slave_0) entered blocking state
[ 83.119954][ T398] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 83.128695][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[ 83.155720][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 83.165414][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 83.174357][ T144] bridge0: port 2(bridge_slave_1) entered blocking state
[ 83.181476][ T144] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 83.195031][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[ 83.219766][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[ 83.233833][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
[ 83.244521][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 83.253739][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 83.270186][ T4299] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network
[ 83.282197][ T4299] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network
[ 83.294539][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[ 83.303797][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 83.313423][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[ 83.323484][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 83.332360][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[ 83.340723][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 83.349385][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 83.369193][ T9] device hsr_slave_0 left promiscuous mode
[ 83.378196][ T9] device hsr_slave_1 left promiscuous mode
[ 83.385819][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[ 83.395848][ T9] batman_adv: batadv0: Removing interface: batadv_slave_0
[ 83.407175][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[ 83.417930][ T9] batman_adv: batadv0: Removing interface: batadv_slave_1
[ 83.426895][ T9] device bridge_slave_1 left promiscuous mode
[ 83.436841][ T9] bridge0: port 2(bridge_slave_1) entered disabled state
[ 83.454830][ T9] device bridge_slave_0 left promiscuous mode
[ 83.461072][ T9] bridge0: port 1(bridge_slave_0) entered disabled state
[ 83.480433][ T9] device veth1_macvtap left promiscuous mode
[ 83.486862][ T9] device veth0_macvtap left promiscuous mode
[ 83.493851][ T9] device veth1_vlan left promiscuous mode
[ 83.499812][ T9] device veth0_vlan left promiscuous mode
[ 83.672213][ T9] team0 (unregistering): Port device team_slave_1 removed
[ 83.688505][ T9] team0 (unregistering): Port device team_slave_0 removed
[ 83.703547][ T9] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[ 83.717410][ T9] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[ 83.779185][ T9] bond0 (unregistering): Released all slaves
[ 83.889326][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 83.897016][ T398] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 83.924660][ T4299] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 83.946119][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 83.954862][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 83.973768][ T1414] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 83.982726][ T1414] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 83.992760][ T1414] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 84.000560][ T1414] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 84.010821][ T4299] device veth0_vlan entered promiscuous mode
[ 84.025539][ T4299] device veth1_vlan entered promiscuous mode
[ 84.051320][ T1414] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 84.059510][ T1414] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 84.068080][ T1414] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 84.077413][ T1414] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 84.089376][ T4299] device veth0_macvtap entered promiscuous mode
[ 84.106950][ T4299] device veth1_macvtap entered promiscuous mode
[ 84.126231][ T4299] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 84.133950][ T1414] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 84.142652][ T1414] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 84.151698][ T1414] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 84.166749][ T4299] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 84.174706][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 84.184719][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 84.196743][ T4299] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 84.206346][ T4299] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 84.216181][ T4299] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 84.225567][ T4299] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 84.331765][ T144] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 84.339843][ T144] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 84.358616][ T1414] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 84.411950][ T144] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 84.419855][ T144] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
2026/08/01 01:00:49 executed programs: 2
[ 84.465558][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[ 84.662565][ T4314] svc: failed to register nfsdv3 RPC service (errno 111).
[ 84.671581][ T4314] svc: failed to register nfsaclv3 RPC service (errno 111).
[ 84.757793][ T4299] ==================================================================
[ 84.766120][ T4299] BUG: KASAN: use-after-free in nfsd_shutdown_threads+0x89/0x1a0
[ 84.773895][ T4299] Write of size 4 at addr ffff88801afd5c50 by task syz-executor/4299
[ 84.782094][ T4299]
[ 84.784445][ T4299] CPU: 1 PID: 4299 Comm: syz-executor Not tainted syzkaller #0
[ 84.792013][ T4299] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 84.802104][ T4299] Call Trace:
[ 84.805409][ T4299]
[ 84.808412][ T4299] dump_stack_lvl+0x188/0x250
[ 84.813144][ T4299] ? show_regs_print_info+0x20/0x20
[ 84.818490][ T4299] ? load_image+0x410/0x410
[ 84.823022][ T4299] ? _raw_spin_lock_irqsave+0xbc/0x100
[ 84.828513][ T4299] ? rcu_lock_release+0x5/0x20
[ 84.833308][ T4299] print_address_description+0x60/0x2d0
[ 84.838886][ T4299] ? nfsd_shutdown_threads+0x89/0x1a0
[ 84.844332][ T4299] kasan_report+0xdf/0x130
[ 84.848797][ T4299] ? nfsd_shutdown_threads+0x89/0x1a0
[ 84.854211][ T4299] kasan_check_range+0x235/0x290
[ 84.859188][ T4299] nfsd_shutdown_threads+0x89/0x1a0
[ 84.864413][ T4299] nfsd_umount+0x3e/0xc0
[ 84.868690][ T4299] deactivate_locked_super+0x93/0xf0
[ 84.874004][ T4299] cleanup_mnt+0x426/0x4d0
[ 84.878461][ T4299] task_work_run+0x125/0x1a0
[ 84.883115][ T4299] exit_to_user_mode_loop+0x10f/0x130
[ 84.888536][ T4299] exit_to_user_mode_prepare+0xee/0x180
[ 84.894118][ T4299] syscall_exit_to_user_mode+0x16/0x40
[ 84.899612][ T4299] do_syscall_64+0x58/0xa0
[ 84.904048][ T4299] ? clear_bhb_loop+0x30/0x80
[ 84.908749][ T4299] ? clear_bhb_loop+0x30/0x80
[ 84.913459][ T4299] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 84.919401][ T4299] RIP: 0033:0x7fb7c4bd0257
[ 84.923850][ T4299] 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
[ 84.943481][ T4299] RSP: 002b:00007ffe46ffe238 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 84.951924][ T4299] RAX: 0000000000000000 RBX: 00007fb7c4c6545c RCX: 00007fb7c4bd0257
[ 84.959918][ T4299] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe46ffe2f0
[ 84.967920][ T4299] RBP: 00007ffe46ffe2f0 R08: 00007ffe46fff2f0 R09: 00000000ffffffff
[ 84.975921][ T4299] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe46fff380
[ 84.983916][ T4299] R13: 00007fb7c4c6545c R14: 0000000000014a27 R15: 00007ffe46fff3c0
[ 84.991951][ T4299]
[ 84.994992][ T4299]
[ 84.997332][ T4299] Allocated by task 4314:
[ 85.001670][ T4299] __kasan_kmalloc+0xaf/0xe0
[ 85.006288][ T4299] __svc_create+0x60/0x9d0
[ 85.010756][ T4299] svc_create_pooled+0x62f/0x810
[ 85.015739][ T4299] nfsd_create_serv+0x2f9/0x700
[ 85.020624][ T4299] nfsd_svc+0x132/0x9e0
[ 85.024808][ T4299] write_threads+0x2ea/0x350
[ 85.029425][ T4299] nfsctl_transaction_write+0x105/0x150
[ 85.035018][ T4299] vfs_write+0x304/0xd70
[ 85.039307][ T4299] ksys_write+0x153/0x260
[ 85.043685][ T4299] do_syscall_64+0x4c/0xa0
[ 85.048134][ T4299] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 85.054069][ T4299]
[ 85.056417][ T4299] Freed by task 4314:
[ 85.060409][ T4299] kasan_set_track+0x4b/0x70
[ 85.065021][ T4299] kasan_set_free_info+0x1f/0x40
[ 85.070031][ T4299] ____kasan_slab_free+0xd5/0x110
[ 85.075086][ T4299] slab_free_freelist_hook+0xec/0x170
[ 85.080495][ T4299] kfree+0xef/0x2a0
[ 85.084332][ T4299] nfsd_svc+0x7cf/0x9e0
[ 85.088511][ T4299] write_threads+0x2ea/0x350
[ 85.093124][ T4299] nfsctl_transaction_write+0x105/0x150
[ 85.098698][ T4299] vfs_write+0x304/0xd70
[ 85.102964][ T4299] ksys_write+0x153/0x260
[ 85.107312][ T4299] do_syscall_64+0x4c/0xa0
[ 85.111752][ T4299] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 85.117673][ T4299]
[ 85.120013][ T4299] The buggy address belongs to the object at ffff88801afd5c00
[ 85.120013][ T4299] which belongs to the cache kmalloc-512 of size 512
[ 85.134082][ T4299] The buggy address is located 80 bytes inside of
[ 85.134082][ T4299] 512-byte region [ffff88801afd5c00, ffff88801afd5e00)
[ 85.147399][ T4299] The buggy address belongs to the page:
[ 85.153073][ T4299] page:ffffea00006bf500 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1afd4
[ 85.163249][ T4299] head:ffffea00006bf500 order:2 compound_mapcount:0 compound_pincount:0
[ 85.171601][ T4299] flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff)
[ 85.179632][ T4299] raw: 00fff00000010200 0000000000000000 dead000000000122 ffff888016c41c80
[ 85.188243][ T4299] raw: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000
[ 85.196844][ T4299] page dumped because: kasan: bad access detected
[ 85.203287][ T4299] page_owner tracks the page as allocated
[ 85.209017][ T4299] page last allocated via order 2, migratetype Unmovable, gfp_mask 0x152a20(GFP_ATOMIC|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_HARDWALL), pid 154, ts 84474980878, free_ts 76035214174
[ 85.227360][ T4299] get_page_from_freelist+0x24f6/0x2670
[ 85.232942][ T4299] __alloc_pages+0x1ee/0x480
[ 85.237560][ T4299] new_slab+0xc0/0x4b0
[ 85.241652][ T4299] ___slab_alloc+0x807/0xdd0
[ 85.246268][ T4299] __kmalloc+0x11d/0x340
[ 85.250533][ T4299] fib6_info_alloc+0x2e/0xe0
[ 85.255147][ T4299] ip6_route_info_create+0x455/0x1220
[ 85.260546][ T4299] ip6_route_add+0x24/0x130
[ 85.265070][ T4299] addrconf_add_linklocal+0x444/0x6d0
[ 85.270464][ T4299] addrconf_addr_gen+0x559/0x6b0
[ 85.275442][ T4299] addrconf_init_auto_addrs+0x6ec/0xab0
[ 85.281034][ T4299] addrconf_notify+0xa6b/0xf20
[ 85.285824][ T4299] raw_notifier_call_chain+0xcb/0x160
[ 85.291221][ T4299] netdev_state_change+0xe0/0x160
[ 85.296265][ T4299] linkwatch_do_dev+0x10d/0x160
[ 85.301142][ T4299] __linkwatch_run_queue+0x4b1/0x7c0
[ 85.306449][ T4299] page last free stack trace:
[ 85.311141][ T4299] free_unref_page_prepare+0x637/0x6c0
[ 85.316625][ T4299] free_unref_page+0x8f/0x2a0
[ 85.321329][ T4299] __vunmap+0x8e0/0xa80
[ 85.325508][ T4299] kcov_close+0x27/0x50
[ 85.329691][ T4299] __fput+0x212/0x8c0
[ 85.333691][ T4299] task_work_run+0x125/0x1a0
[ 85.338304][ T4299] do_exit+0x635/0x2110
[ 85.342483][ T4299] do_group_exit+0x12c/0x2f0
[ 85.347118][ T4299] get_signal+0x7eb/0x12e0
[ 85.351556][ T4299] arch_do_signal_or_restart+0xe6/0x12a0
[ 85.357218][ T4299] exit_to_user_mode_loop+0x9e/0x130
[ 85.362530][ T4299] exit_to_user_mode_prepare+0xee/0x180
[ 85.368118][ T4299] syscall_exit_to_user_mode+0x16/0x40
[ 85.373604][ T4299] do_syscall_64+0x58/0xa0
[ 85.378042][ T4299] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 85.383951][ T4299]
[ 85.386291][ T4299] Memory state around the buggy address:
[ 85.391936][ T4299] ffff88801afd5b00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 85.400019][ T4299] ffff88801afd5b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 85.408199][ T4299] >ffff88801afd5c00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 85.416279][ T4299] ^
[ 85.422976][ T4299] ffff88801afd5c80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 85.431061][ T4299] ffff88801afd5d00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 85.439163][ T4299] ==================================================================
[ 85.447248][ T4299] Disabling lock debugging due to kernel taint
[ 85.456094][ T4250] Bluetooth: hci0: command 0x040f tx timeout
[ 85.475808][ T4299] Kernel panic - not syncing: KASAN: panic_on_warn set ...
[ 85.483062][ T4299] CPU: 1 PID: 4299 Comm: syz-executor Tainted: G B syzkaller #0
[ 85.492023][ T4299] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 85.502125][ T4299] Call Trace:
[ 85.505426][ T4299]
[ 85.508381][ T4299] dump_stack_lvl+0x188/0x250
[ 85.513123][ T4299] ? show_regs_print_info+0x20/0x20
[ 85.518356][ T4299] ? load_image+0x410/0x410
[ 85.522901][ T4299] panic+0x2f8/0x850
[ 85.526821][ T4299] ? bpf_jit_dump+0xd0/0xd0
[ 85.531353][ T4299] ? _raw_spin_unlock_irqrestore+0x10d/0x120
[ 85.537355][ T4299] ? _raw_spin_unlock+0x40/0x40
[ 85.542277][ T4299] ? nfsd_shutdown_threads+0x89/0x1a0
[ 85.547709][ T4299] check_panic_on_warn+0x80/0xa0
[ 85.552672][ T4299] ? nfsd_shutdown_threads+0x89/0x1a0
[ 85.558099][ T4299] end_report+0x6d/0xf0
[ 85.562278][ T4299] kasan_report+0x102/0x130
[ 85.566802][ T4299] ? nfsd_shutdown_threads+0x89/0x1a0
[ 85.572199][ T4299] kasan_check_range+0x235/0x290
[ 85.577164][ T4299] nfsd_shutdown_threads+0x89/0x1a0
[ 85.582382][ T4299] nfsd_umount+0x3e/0xc0
[ 85.586652][ T4299] deactivate_locked_super+0x93/0xf0
[ 85.591986][ T4299] cleanup_mnt+0x426/0x4d0
[ 85.596432][ T4299] task_work_run+0x125/0x1a0
[ 85.601057][ T4299] exit_to_user_mode_loop+0x10f/0x130
[ 85.606454][ T4299] exit_to_user_mode_prepare+0xee/0x180
[ 85.612025][ T4299] syscall_exit_to_user_mode+0x16/0x40
[ 85.617508][ T4299] do_syscall_64+0x58/0xa0
[ 85.621944][ T4299] ? clear_bhb_loop+0x30/0x80
[ 85.626645][ T4299] ? clear_bhb_loop+0x30/0x80
[ 85.631358][ T4299] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 85.637275][ T4299] RIP: 0033:0x7fb7c4bd0257
[ 85.641712][ T4299] 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
[ 85.661339][ T4299] RSP: 002b:00007ffe46ffe238 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 85.669778][ T4299] RAX: 0000000000000000 RBX: 00007fb7c4c6545c RCX: 00007fb7c4bd0257
[ 85.677772][ T4299] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe46ffe2f0
[ 85.685767][ T4299] RBP: 00007ffe46ffe2f0 R08: 00007ffe46fff2f0 R09: 00000000ffffffff
[ 85.693768][ T4299] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe46fff380
[ 85.701767][ T4299] R13: 00007fb7c4c6545c R14: 0000000000014a27 R15: 00007ffe46fff3c0
[ 85.709774][ T4299]
[ 85.713047][ T4299] Kernel Offset: disabled
[ 85.717421][ T4299] Rebooting in 86400 seconds..