Warning: Permanently added '10.128.0.74' (ED25519) to the list of known hosts. 1970/01/01 00:00:31 parsed 1 programs 1970/01/01 00:00:31 serving rpc on tcp://40427 [ 32.728561][ T4337] cgroup: Unknown subsys name 'net' [ 32.967956][ T4337] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 33.259430][ T4337] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 37.746833][ T4363] chnl_net:caif_netlink_parms(): no params data found [ 37.764542][ T4363] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.765952][ T4363] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.771475][ T4363] device bridge_slave_0 entered promiscuous mode [ 37.773654][ T4363] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.774740][ T4363] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.776192][ T4363] device bridge_slave_1 entered promiscuous mode [ 37.782649][ T4363] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 37.784888][ T4363] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 37.790952][ T4363] team0: Port device team_slave_0 added [ 37.792611][ T4363] team0: Port device team_slave_1 added [ 37.799562][ T4363] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 37.800666][ T4363] 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. [ 37.804544][ T4363] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 37.807035][ T4363] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 37.808098][ T4363] 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. [ 37.811947][ T4363] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 37.856585][ T4363] device hsr_slave_0 entered promiscuous mode [ 37.905454][ T4363] device hsr_slave_1 entered promiscuous mode [ 37.989044][ T4363] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 38.037801][ T4363] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 38.077114][ T4363] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 38.117573][ T4363] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 38.163410][ T4363] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.164743][ T4363] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.166176][ T4363] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.167246][ T4363] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.183027][ T4363] 8021q: adding VLAN 0 to HW filter on device bond0 [ 38.187065][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.189427][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.191291][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.193130][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 38.198569][ T4363] 8021q: adding VLAN 0 to HW filter on device team0 [ 38.208415][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 38.210076][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.211218][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.212529][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 38.213877][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.214908][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.217409][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 38.219018][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 38.220418][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 38.226444][ T4363] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 38.227985][ T4363] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 38.232497][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 38.234156][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 38.236786][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 38.283438][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 38.284644][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 38.289923][ T4363] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 38.296454][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 38.301884][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 38.303465][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 38.304817][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 38.307542][ T4363] device veth0_vlan entered promiscuous mode [ 38.310510][ T4363] device veth1_vlan entered promiscuous mode [ 38.348097][ T4363] device veth0_macvtap entered promiscuous mode [ 38.349762][ T1606] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 38.351376][ T1606] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 38.352784][ T1606] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 38.354307][ T1606] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 38.357523][ T4363] device veth1_macvtap entered promiscuous mode [ 38.362731][ T4363] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 38.364009][ T1606] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 38.368250][ T4363] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 38.369451][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 38.372068][ T4363] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 38.373425][ T4363] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 38.374800][ T4363] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 38.376187][ T4363] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 38.747272][ T59] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 38.769608][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 38.772301][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 38.774746][ T1606] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 38.780409][ T1606] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 38.781634][ T1606] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 38.782817][ T1606] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 39.263171][ T4412] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 39.264701][ T4412] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 39.266347][ T4412] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 39.267807][ T4412] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 39.269012][ T4412] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 39.270228][ T4412] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 1970/01/01 00:00:39 executed programs: 0 [ 39.740601][ T47] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 39.742109][ T47] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 39.743502][ T47] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 39.747120][ T47] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 39.748577][ T47] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 39.749741][ T47] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 39.796689][ T4429] chnl_net:caif_netlink_parms(): no params data found [ 39.811124][ T4429] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.812265][ T4429] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.813788][ T4429] device bridge_slave_0 entered promiscuous mode [ 39.817446][ T4429] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.818524][ T4429] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.819841][ T4429] device bridge_slave_1 entered promiscuous mode [ 39.826853][ T4429] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 39.829299][ T4429] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 39.836787][ T4429] team0: Port device team_slave_0 added [ 39.838598][ T4429] team0: Port device team_slave_1 added [ 39.844396][ T4429] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 39.848797][ T4429] 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. [ 39.852269][ T4429] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 39.855127][ T4429] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 39.857585][ T4429] 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. [ 39.861191][ T4429] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 39.916472][ T4429] device hsr_slave_0 entered promiscuous mode [ 39.955447][ T4429] device hsr_slave_1 entered promiscuous mode [ 40.025462][ T4429] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 40.026679][ T4429] Cannot create hsr debugfs directory [ 41.765513][ T47] Bluetooth: hci0: command 0x0409 tx timeout [ 41.826329][ T59] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 43.855547][ T47] Bluetooth: hci0: command 0x041b tx timeout [ 44.176071][ T59] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 44.286893][ T59] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 45.258000][ T4429] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 45.359595][ T4429] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 45.396405][ T4429] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 45.517033][ T4429] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 45.616275][ T4429] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.619624][ T1606] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 45.621152][ T1606] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.623454][ T4429] 8021q: adding VLAN 0 to HW filter on device team0 [ 45.659413][ T1606] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 45.661004][ T1606] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 45.662416][ T1606] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.663476][ T1606] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.665120][ T1606] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 45.667430][ T1606] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 45.668928][ T1606] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 45.670660][ T1606] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.671691][ T1606] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.673966][ T1606] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 45.678232][ T4385] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 45.680733][ T4385] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 45.682274][ T4385] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 45.683810][ T4385] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 45.687031][ T4385] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 45.688632][ T4385] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 45.691075][ T4385] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 45.692505][ T4385] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 45.694747][ T4385] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 45.696922][ T4385] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 45.699372][ T4429] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 45.763260][ T4385] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 45.764565][ T4385] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 45.811462][ T4429] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 45.817573][ T4385] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 45.819170][ T4385] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 45.824418][ T4385] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 45.826456][ T4385] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 45.828000][ T4385] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 45.829226][ T4385] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 45.831571][ T4429] device veth0_vlan entered promiscuous mode [ 45.834518][ T4429] device veth1_vlan entered promiscuous mode [ 45.841360][ T4385] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 45.842779][ T4385] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 45.844097][ T4385] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 45.846072][ T4385] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 45.848410][ T4429] device veth0_macvtap entered promiscuous mode [ 45.850590][ T4429] device veth1_macvtap entered promiscuous mode [ 45.854847][ T4429] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 45.858153][ T4429] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 45.860052][ T4429] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 45.861159][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 45.862640][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 45.863991][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 45.865848][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 45.919306][ T4429] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 45.921080][ T4429] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 45.922946][ T4429] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 45.925000][ T4429] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 45.926603][ T47] Bluetooth: hci0: command 0x040f tx timeout [ 45.927612][ T4429] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 45.928976][ T4429] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 45.930260][ T4429] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 45.932675][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 45.934272][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 45.953469][ T11] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 45.956363][ T11] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 45.960968][ T59] device hsr_slave_0 left promiscuous mode [ 45.975695][ T59] device hsr_slave_1 left promiscuous mode [ 46.065479][ T59] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 46.066738][ T59] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 46.068196][ T59] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 46.069378][ T59] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 46.070728][ T59] device bridge_slave_1 left promiscuous mode [ 46.071952][ T59] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.106211][ T59] device bridge_slave_0 left promiscuous mode [ 46.107217][ T59] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.245524][ T59] device veth1_macvtap left promiscuous mode [ 46.246599][ T59] device veth0_macvtap left promiscuous mode [ 46.247503][ T59] device veth1_vlan left promiscuous mode [ 46.248461][ T59] device veth0_vlan left promiscuous mode [ 48.015325][ T47] Bluetooth: hci0: command 0x0419 tx timeout [ 48.456256][ T59] team0 (unregistering): Port device team_slave_1 removed [ 48.636018][ T59] team0 (unregistering): Port device team_slave_0 removed [ 48.815848][ T59] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 49.025736][ T59] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 50.606546][ T59] bond0 (unregistering): Released all slaves [ 50.909474][ T4385] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 50.914769][ T4385] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 50.919899][ T4385] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 50.921462][ T4385] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 50.973019][ T4509] loop0: detected capacity change from 0 to 128 [ 50.976105][ T4509] VFS: Found a Xenix FS (block size = 1024) on device loop0 [ 50.978565][ T4509] ------------[ cut here ]------------ [ 50.979400][ T4509] WARNING: CPU: 0 PID: 4509 at fs/inode.c:389 inc_nlink+0x128/0x150 [ 50.980518][ T4509] Modules linked in: [ 50.981098][ T4509] CPU: 0 PID: 4509 Comm: syz.0.17 Not tainted syzkaller #0 [ 50.982127][ T4509] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 50.983598][ T4509] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 50.984706][ T4509] pc : inc_nlink+0x128/0x150 [ 50.985353][ T4509] lr : inc_nlink+0x128/0x150 [ 50.986026][ T4509] sp : ffff8000212e7ba0 [ 50.986681][ T4509] x29: ffff8000212e7ba0 x28: 1fffe0001a5844a5 x27: dfff800000000000 [ 50.987904][ T4509] x26: 1fffe0001e38980b x25: 1fffe0001e38980c x24: ffff800011f23fc8 [ 50.989106][ T4509] x23: 1fffe0001e389810 x22: dfff800000000000 x21: 0000000000000000 [ 50.990335][ T4509] x20: ffff0000f1c4c038 x19: ffff0000f1c4c080 x18: 0000000000000000 [ 50.991547][ T4509] x17: 0000000000000000 x16: ffff800011b3e320 x15: 0000000000000000 [ 50.992749][ T4509] x14: 0000000000000001 x13: 1fffe00018108856 x12: 0000000000000000 [ 50.993981][ T4509] x11: ff00800008a1b7c8 x10: 0000000000000000 x9 : ffff800008a1b7c8 [ 50.995184][ T4509] x8 : ffff0000d2c21c00 x7 : 0000000000000000 x6 : 000000000000003f [ 50.996364][ T4509] x5 : 0000000000000040 x4 : 000000000000000c x3 : 00000000000001c0 [ 50.997577][ T4509] x2 : ffff0000e5777780 x1 : 0000000000000000 x0 : 0000000000000000 [ 50.998717][ T4509] Call trace: [ 50.999195][ T4509] inc_nlink+0x128/0x150 [ 50.999807][ T4509] sysv_mkdir+0x2c/0x138 [ 51.000423][ T4509] vfs_mkdir+0x314/0x4d8 [ 51.001053][ T4509] do_mkdirat+0x1b8/0x3ec [ 51.001686][ T4509] __arm64_sys_mkdirat+0x90/0xa8 [ 51.002412][ T4509] invoke_syscall+0x98/0x290 [ 51.003092][ T4509] el0_svc_common+0x13c/0x258 [ 51.003810][ T4509] do_el0_svc+0x5c/0x134 [ 51.004437][ T4509] el0_svc+0x58/0x128 [ 51.005016][ T4509] el0t_64_sync_handler+0x84/0xf0 [ 51.005796][ T4509] el0t_64_sync+0x18c/0x190 [ 51.006517][ T4509] irq event stamp: 3044 [ 51.007154][ T4509] hardirqs last enabled at (3043): [] kasan_quarantine_put+0xc4/0x200 [ 51.008617][ T4509] hardirqs last disabled at (3044): [] el1_dbg+0x24/0x80 [ 51.009920][ T4509] softirqs last enabled at (2980): [] local_bh_enable+0x10/0x34 [ 51.011284][ T4509] softirqs last disabled at (2978): [] local_bh_disable+0x10/0x34 [ 51.012705][ T4509] ---[ end trace 0000000000000000 ]--- [ 51.015662][ T4509] ================================================================== [ 51.016837][ T4509] BUG: KASAN: use-after-free in sysv_new_inode+0xdb0/0xf38 [ 51.017796][ T4509] Read of size 2 at addr ffff0000e9c3d1ce by task syz.0.17/4509 [ 51.018802][ T4509] [ 51.019133][ T4509] CPU: 0 PID: 4509 Comm: syz.0.17 Tainted: G W syzkaller #0 [ 51.020316][ T4509] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 51.021677][ T4509] Call trace: [ 51.022138][ T4509] dump_backtrace+0x1c4/0x1f0 [ 51.022794][ T4509] show_stack+0x2c/0x3c [ 51.023358][ T4509] __dump_stack+0x30/0x40 [ 51.024000][ T4509] dump_stack_lvl+0xf4/0x15c [ 51.024651][ T4509] print_address_description+0x88/0x218 [ 51.025363][ T4509] print_report+0x50/0x68 [ 51.025978][ T4509] kasan_report+0xa8/0xfc [ 51.026605][ T4509] __asan_report_load2_noabort+0x2c/0x38 [ 51.027403][ T4509] sysv_new_inode+0xdb0/0xf38 [ 51.028094][ T4509] sysv_mkdir+0x44/0x138 [ 51.028737][ T4509] vfs_mkdir+0x314/0x4d8 [ 51.029376][ T4509] do_mkdirat+0x1b8/0x3ec [ 51.029995][ T4509] __arm64_sys_mkdirat+0x90/0xa8 [ 51.030752][ T4509] invoke_syscall+0x98/0x290 [ 51.031442][ T4509] el0_svc_common+0x13c/0x258 [ 51.032153][ T4509] do_el0_svc+0x5c/0x134 [ 51.032761][ T4509] el0_svc+0x58/0x128 [ 51.033316][ T4509] el0t_64_sync_handler+0x84/0xf0 [ 51.034060][ T4509] el0t_64_sync+0x18c/0x190 [ 51.034768][ T4509] [ 51.035113][ T4509] The buggy address belongs to the physical page: [ 51.036022][ T4509] page:000000008b668a25 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x129c3d [ 51.037485][ T4509] flags: 0x5ffc00000000000(node=0|zone=2|lastcpupid=0x7ff) [ 51.038506][ T4509] raw: 05ffc00000000000 fffffc0003a72b48 ffff00019f419060 0000000000000000 [ 51.039750][ T4509] raw: 0000000000000001 0000000000000000 00000000ffffffff 0000000000000000 [ 51.040952][ T4509] page dumped because: kasan: bad access detected [ 51.041896][ T4509] [ 51.042219][ T4509] Memory state around the buggy address: [ 51.043026][ T4509] ffff0000e9c3d080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 51.044211][ T4509] ffff0000e9c3d100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 51.045380][ T4509] >ffff0000e9c3d180: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 51.046560][ T4509] ^ [ 51.047477][ T4509] ffff0000e9c3d200: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 51.048671][ T4509] ffff0000e9c3d280: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 51.049858][ T4509] ================================================================== [ 51.052444][ T4509] Disabling lock debugging due to kernel taint [ 51.053412][ T4509] unable to read i-node block [ 51.054105][ T4509] unable to read i-node block [ 51.054888][ T4509] syz.0.17: attempt to access beyond end of device [ 51.054888][ T4509] loop0: rw=2049, sector=1886545000, nr_sectors = 2 limit=128 [ 51.057303][ T4509] Buffer I/O error on dev loop0, logical block 943272500, lost async page write [ 51.058742][ T4509] sysv_free_block: flc_count > flc_size [ 51.059528][ T4509] unable to read i-node block [ 51.060228][ T4509] sysv_free_inode: unable to read inode block on device loop0 [ 51.062758][ T4429] sysv_free_block: flc_count > flc_size [ 51.063614][ T4429] sysv_free_block: flc_count > flc_size [ 51.064417][ T4429] sysv_free_block: flc_count > flc_size [ 51.065233][ T4429] sysv_free_block: flc_count > flc_size [ 51.066820][ T4429] sysv_free_block: flc_count > flc_size [ 51.067704][ T4429] sysv_free_block: flc_count > flc_size [ 51.068556][ T4429] sysv_free_block: flc_count > flc_size [ 51.069345][ T4429] sysv_free_block: flc_count > flc_size [ 51.070120][ T4429] sysv_free_block: flc_count > flc_size [ 51.070888][ T4429] sysv_free_block: flc_count > flc_size [ 51.071926][ T4429] sysv_free_inode: inode 0,1,2 or nonexistent inode