[ 49.693477][ T343] device hsr_slave_0 left promiscuous mode [ 49.748031][ T343] device hsr_slave_1 left promiscuous mode [ 49.837833][ T343] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 49.839164][ T343] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 49.841123][ T343] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 49.842317][ T343] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 49.843706][ T343] device bridge_slave_1 left promiscuous mode [ 49.845040][ T343] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.899160][ T343] device bridge_slave_0 left promiscuous mode [ 49.900378][ T343] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.027839][ T343] device veth1_macvtap left promiscuous mode [ 50.028981][ T343] device veth0_macvtap left promiscuous mode [ 50.030032][ T343] device veth1_vlan left promiscuous mode [ 50.031082][ T343] device veth0_vlan left promiscuous mode [ 50.130703][ T343] team0 (unregistering): Port device team_slave_1 removed [ 50.134731][ T343] team0 (unregistering): Port device team_slave_0 removed [ 50.138811][ T343] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 50.170962][ T343] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 50.270982][ T343] bond0 (unregistering): Released all slaves [ 52.820877][ T343] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 52.870573][ T343] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 52.970833][ T343] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 53.011283][ T343] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 Warning: Permanently added '10.128.0.155' (ED25519) to the list of known hosts. [ 54.491956][ T343] device hsr_slave_0 left promiscuous mode [ 54.538418][ T343] device hsr_slave_1 left promiscuous mode [ 54.607832][ T343] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 54.609187][ T343] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 54.610826][ T343] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 54.612111][ T343] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 54.613579][ T343] device bridge_slave_1 left promiscuous mode [ 54.614697][ T343] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.638236][ T343] device bridge_slave_0 left promiscuous mode [ 54.639362][ T343] bridge0: port 1(bridge_slave_0) entered disabled state 1970/01/01 00:00:54 ignoring optional flag "type"="gce" [ 54.758136][ T343] device veth1_macvtap left promiscuous mode [ 54.759231][ T343] device veth0_macvtap left promiscuous mode [ 54.760264][ T343] device veth1_vlan left promiscuous mode [ 54.761162][ T343] device veth0_vlan left promiscuous mode [ 54.854217][ T343] team0 (unregistering): Port device team_slave_1 removed [ 54.859187][ T343] team0 (unregistering): Port device team_slave_0 removed [ 54.862991][ T343] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 54.892823][ T343] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface 1970/01/01 00:00:54 parsed 1 programs [ 55.010865][ T343] bond0 (unregistering): Released all slaves [ 56.129373][ T4402] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 57.029766][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 57.031174][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 57.032887][ T1085] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 57.040492][ T148] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 57.041946][ T148] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 57.043301][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 57.178898][ T4437] chnl_net:caif_netlink_parms(): no params data found [ 57.195986][ T4437] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.197183][ T4437] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.199049][ T4437] device bridge_slave_0 entered promiscuous mode [ 57.200991][ T4437] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.202192][ T4437] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.203615][ T4437] device bridge_slave_1 entered promiscuous mode [ 57.213525][ T4437] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.216034][ T4437] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.223755][ T4437] team0: Port device team_slave_0 added [ 57.226112][ T4437] team0: Port device team_slave_1 added [ 57.232362][ T4437] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 57.233464][ T4437] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 57.237579][ T4437] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 57.240081][ T4437] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 57.241131][ T4437] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 57.245050][ T4437] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 57.289478][ T4437] device hsr_slave_0 entered promiscuous mode [ 57.328486][ T4437] device hsr_slave_1 entered promiscuous mode [ 57.907835][ T4437] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 57.948852][ T4437] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 57.978784][ T4437] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 58.009740][ T4437] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 58.054170][ T4437] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.055384][ T4437] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.056556][ T4437] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.057800][ T4437] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.088604][ T148] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.090200][ T148] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.108076][ T4437] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.112070][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.113711][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.116314][ T4437] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.139459][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.141007][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.142817][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.143981][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.145306][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.146853][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.150388][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.151574][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.152887][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.154575][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.156420][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.158936][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.160547][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.162172][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.163841][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.165635][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.167155][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.170484][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.173096][ T4437] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.176676][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.217631][ T4437] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.220334][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.221651][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.228055][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 58.229757][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 58.236180][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 58.238187][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 58.240488][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 58.241873][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 58.253119][ T4437] device veth0_vlan entered promiscuous mode [ 58.260316][ T4437] device veth1_vlan entered promiscuous mode [ 58.272894][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 58.274497][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 58.276066][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 58.277582][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 58.283111][ T4437] device veth0_macvtap entered promiscuous mode [ 58.285621][ T4437] device veth1_macvtap entered promiscuous mode [ 58.291784][ T4437] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 58.293034][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 58.294341][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 58.295825][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 58.297450][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 58.302300][ T4437] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 58.304391][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 58.305981][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 58.308348][ T4437] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.309764][ T4437] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.311165][ T4437] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.312575][ T4437] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.843155][ T343] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:00:59 executed programs: 0 [ 59.147493][ T4655] chnl_net:caif_netlink_parms(): no params data found [ 59.164692][ T4655] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.166069][ T4655] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.167803][ T4655] device bridge_slave_0 entered promiscuous mode [ 59.169805][ T4655] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.170954][ T4655] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.172507][ T4655] device bridge_slave_1 entered promiscuous mode [ 59.180933][ T4655] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.183495][ T4655] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.192656][ T4655] team0: Port device team_slave_0 added [ 59.194510][ T4655] team0: Port device team_slave_1 added [ 59.200949][ T4655] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 59.202147][ T4655] 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. [ 59.206369][ T4655] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 59.210120][ T4655] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 59.211262][ T4655] 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. [ 59.215818][ T4655] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 59.259102][ T4655] device hsr_slave_0 entered promiscuous mode [ 59.298582][ T4655] device hsr_slave_1 entered promiscuous mode [ 59.347832][ T4655] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 59.349203][ T4655] Cannot create hsr debugfs directory [ 61.127869][ T4171] Bluetooth: hci0: command 0x0409 tx timeout [ 61.290520][ T343] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 63.207747][ T4169] Bluetooth: hci0: command 0x041b tx timeout [ 63.460523][ T343] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 63.511090][ T343] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 64.491784][ T4655] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 64.548962][ T4655] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 64.588842][ T4655] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 64.628891][ T4655] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 64.700586][ T4655] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.704981][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.706465][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.709611][ T4655] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.712094][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.713740][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.715377][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.716627][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.718809][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.721639][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.723187][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.724631][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.725746][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.728568][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.731353][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.734412][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.736644][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.739198][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.742700][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.744263][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.746928][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 64.749879][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.752813][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 64.754377][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.756904][ T4655] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 64.810739][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 64.812185][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 64.815349][ T4655] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.822798][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 64.824500][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 64.830931][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 64.832542][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 64.834265][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 64.835785][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 64.838661][ T4655] device veth0_vlan entered promiscuous mode [ 64.842023][ T4655] device veth1_vlan entered promiscuous mode [ 64.848997][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 64.850530][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 64.852152][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 64.853741][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 64.856248][ T4655] device veth0_macvtap entered promiscuous mode [ 64.859114][ T4655] device veth1_macvtap entered promiscuous mode [ 64.863693][ T4655] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 64.865278][ T4655] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 64.867279][ T4655] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 64.869129][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 64.870689][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 64.872282][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 64.873882][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 64.876295][ T4655] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 64.878767][ T4655] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 64.881002][ T4655] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 64.882318][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 64.883998][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 64.886472][ T4655] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.888396][ T4655] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.889968][ T4655] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.891455][ T4655] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.909741][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 64.912008][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 64.913387][ T1085] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 64.919665][ T1085] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 64.920936][ T1085] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 1970/01/01 00:01:04 executed programs: 2 [ 64.922257][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 65.033931][ T4786] loop0: detected capacity change from 0 to 32768 [ 65.093871][ T4786] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.15 (4786) [ 65.100416][ T4786] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 65.101998][ T4786] BTRFS info (device loop0): setting nodatacow, compression disabled [ 65.103273][ T4786] BTRFS info (device loop0): setting datacow [ 65.104299][ T4786] BTRFS info (device loop0): doing ref verification [ 65.105426][ T4786] BTRFS info (device loop0): force clearing of disk cache [ 65.106649][ T4786] BTRFS info (device loop0): turning off barriers [ 65.108797][ T4786] BTRFS info (device loop0): use zlib compression, level 3 [ 65.110451][ T4786] BTRFS info (device loop0): using free space tree [ 65.111532][ T4786] BTRFS info (device loop0): has skinny extents [ 65.122406][ T4786] BTRFS info (device loop0): clearing free space tree [ 65.123825][ T4786] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 65.125446][ T4786] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 65.133626][ T4786] BTRFS info (device loop0): creating free space tree [ 65.135470][ T4786] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 65.137098][ T4786] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 65.144853][ T4786] FAULT_INJECTION: forcing a failure. [ 65.144853][ T4786] name failslab, interval 1, probability 0, space 0, times 1 [ 65.147069][ T4786] CPU: 1 PID: 4786 Comm: syz.0.15 Not tainted syzkaller #0 [ 65.148234][ T4786] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 65.149831][ T4786] Call trace: [ 65.150381][ T4786] dump_backtrace+0x0/0x458 [ 65.151143][ T4786] show_stack+0x2c/0x3c [ 65.151875][ T4786] __dump_stack+0x30/0x40 [ 65.152628][ T4786] dump_stack_lvl+0xf4/0x15c [ 65.153410][ T4786] dump_stack+0x1c/0x5c [ 65.154142][ T4786] should_fail+0x3c8/0x520 [ 65.154893][ T4786] __should_failslab+0xbc/0x10c [ 65.155758][ T4786] should_failslab+0x10/0x28 [ 65.156565][ T4786] slab_pre_alloc_hook+0x64/0xe8 [ 65.157432][ T4786] kmem_cache_alloc+0x94/0x3d8 [ 65.158237][ T4786] btrfs_alloc_path+0x5c/0x68 [ 65.159065][ T4786] btrfs_insert_dir_item+0x184/0x3e8 [ 65.159930][ T4786] btrfs_add_link+0x2a8/0xac8 [ 65.160760][ T4786] btrfs_create+0x3b8/0x50c [ 65.161648][ T4786] path_openat+0xdb8/0x2808 [ 65.162532][ T4786] do_filp_open+0x188/0x370 [ 65.163406][ T4786] do_sys_openat2+0x134/0x3fc [ 65.164313][ T4786] __arm64_sys_openat+0x11c/0x150 [ 65.165275][ T4786] invoke_syscall+0x98/0x28c [ 65.166176][ T4786] el0_svc_common+0x13c/0x258 [ 65.166990][ T4786] do_el0_svc+0x5c/0x140 [ 65.167733][ T4786] el0_svc+0x78/0x1d0 [ 65.168409][ T4786] el0t_64_sync_handler+0xcc/0xe4 [ 65.169291][ T4786] el0t_64_sync+0x1a0/0x1a4 [ 65.172367][ T4786] ------------[ cut here ]------------ [ 65.173377][ T4786] WARNING: CPU: 1 PID: 4786 at fs/btrfs/inode.c:6780 btrfs_add_link+0x728/0xac8 [ 65.174791][ T4786] Modules linked in: [ 65.175449][ T4786] CPU: 1 PID: 4786 Comm: syz.0.15 Not tainted syzkaller #0 [ 65.176605][ T4786] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 65.178085][ T4786] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 65.179402][ T4786] pc : btrfs_add_link+0x728/0xac8 [ 65.180250][ T4786] lr : btrfs_add_link+0x728/0xac8 [ 65.181117][ T4786] sp : ffff80001ffc75e0 [ 65.181864][ T4786] x29: ffff80001ffc76e0 x28: ffff0000deb8e210 x27: 0000000000000108 [ 65.183291][ T4786] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 65.184710][ T4786] x23: 0000000000000014 x22: 1fffe0001bd71c4d x21: ffff700003ff8ec4 [ 65.186110][ T4786] x20: 00000000fffffff4 x19: ffff0000deb8e268 x18: 0000000000000000 [ 65.187532][ T4786] x17: 0000000000000000 x16: ffff80001135f958 x15: 0000000000000000 [ 65.189196][ T4786] x14: 0000000000000001 x13: 1fffe000341d09ab x12: 0000000000000000 [ 65.190587][ T4786] x11: ff80800008300a38 x10: 0000000000000000 x9 : d42c825cfe0fd300 [ 65.192144][ T4786] x8 : d42c825cfe0fd300 x7 : 0000000000000001 x6 : 0000000000000001 [ 65.193602][ T4786] x5 : ffff80001ffc6ef8 x4 : ffff80001447f520 x3 : ffff80000850fcd0 [ 65.194933][ T4786] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 65.196301][ T4786] Call trace: [ 65.196852][ T4786] btrfs_add_link+0x728/0xac8 [ 65.197671][ T4786] btrfs_create+0x3b8/0x50c [ 65.198409][ T4786] path_openat+0xdb8/0x2808 [ 65.199176][ T4786] do_filp_open+0x188/0x370 [ 65.199918][ T4786] do_sys_openat2+0x134/0x3fc [ 65.200722][ T4786] __arm64_sys_openat+0x11c/0x150 [ 65.201579][ T4786] invoke_syscall+0x98/0x28c [ 65.202357][ T4786] el0_svc_common+0x13c/0x258 [ 65.203154][ T4786] do_el0_svc+0x5c/0x140 [ 65.203872][ T4786] el0_svc+0x78/0x1d0 [ 65.204555][ T4786] el0t_64_sync_handler+0xcc/0xe4 [ 65.205387][ T4786] el0t_64_sync+0x1a0/0x1a4 [ 65.206137][ T4786] irq event stamp: 82456 [ 65.206836][ T4786] hardirqs last enabled at (82455): [] __up_console_sem+0xb4/0xfc [ 65.208391][ T4786] hardirqs last disabled at (82456): [] el1_dbg+0x24/0x80 [ 65.209827][ T4786] softirqs last enabled at (82436): [] handle_softirqs+0xa70/0xc14 [ 65.211469][ T4786] softirqs last disabled at (82379): [] __irq_exit_rcu+0x240/0x434 [ 65.213082][ T4786] ---[ end trace baaf035a50c56bde ]--- [ 65.216610][ T4786] BTRFS: error (device loop0) in btrfs_add_link:6780: errno=-12 Out of memory [ 65.218489][ T4786] BTRFS info (device loop0): forced readonly [ 65.288038][ T4189] Bluetooth: hci0: command 0x040f tx timeout [ 65.394223][ T4808] loop0: detected capacity change from 0 to 32768 [ 65.396961][ T4808] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.16 (4808) [ 65.400642][ T4808] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 65.402117][ T4808] BTRFS info (device loop0): setting nodatacow, compression disabled [ 65.403496][ T4808] BTRFS info (device loop0): setting datacow [ 65.404456][ T4808] BTRFS info (device loop0): doing ref verification [ 65.405592][ T4808] BTRFS info (device loop0): force clearing of disk cache [ 65.406717][ T4808] BTRFS info (device loop0): turning off barriers [ 65.408280][ T4808] BTRFS info (device loop0): use zlib compression, level 3 [ 65.409504][ T4808] BTRFS info (device loop0): using free space tree [ 65.410564][ T4808] BTRFS info (device loop0): has skinny extents [ 65.419909][ T4808] BTRFS info (device loop0): clearing free space tree [ 65.421078][ T4808] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 65.422785][ T4808] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 65.426628][ T4808] BTRFS info (device loop0): creating free space tree [ 65.429065][ T4808] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 65.430845][ T4808] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 65.435185][ T4808] FAULT_INJECTION: forcing a failure. [ 65.435185][ T4808] name failslab, interval 1, probability 0, space 0, times 0 [ 65.437138][ T4808] CPU: 1 PID: 4808 Comm: syz.0.16 Tainted: G W syzkaller #0 [ 65.438619][ T4808] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 65.440371][ T4808] Call trace: [ 65.440944][ T4808] dump_backtrace+0x0/0x458 [ 65.441746][ T4808] show_stack+0x2c/0x3c [ 65.442455][ T4808] __dump_stack+0x30/0x40 [ 65.443267][ T4808] dump_stack_lvl+0xf4/0x15c [ 65.444056][ T4808] dump_stack+0x1c/0x5c [ 65.444774][ T4808] should_fail+0x3c8/0x520 [ 65.445514][ T4808] __should_failslab+0xbc/0x10c [ 65.446347][ T4808] should_failslab+0x10/0x28 [ 65.447146][ T4808] slab_pre_alloc_hook+0x64/0xe8 [ 65.448026][ T4808] kmem_cache_alloc+0x94/0x3d8 [ 65.448804][ T4808] btrfs_alloc_path+0x5c/0x68 [ 65.449563][ T4808] btrfs_insert_dir_item+0x184/0x3e8 [ 65.450531][ T4808] btrfs_add_link+0x2a8/0xac8 [ 65.451375][ T4808] btrfs_create+0x3b8/0x50c [ 65.452140][ T4808] path_openat+0xdb8/0x2808 [ 65.452908][ T4808] do_filp_open+0x188/0x370 [ 65.453654][ T4808] do_sys_openat2+0x134/0x3fc [ 65.454440][ T4808] __arm64_sys_openat+0x11c/0x150 [ 65.455290][ T4808] invoke_syscall+0x98/0x28c [ 65.456069][ T4808] el0_svc_common+0x13c/0x258 [ 65.456855][ T4808] do_el0_svc+0x5c/0x140 [ 65.457565][ T4808] el0_svc+0x78/0x1d0 [ 65.458251][ T4808] el0t_64_sync_handler+0xcc/0xe4 [ 65.459112][ T4808] el0t_64_sync+0x1a0/0x1a4 [ 65.463127][ T4808] ------------[ cut here ]------------ [ 65.464010][ T4808] WARNING: CPU: 1 PID: 4808 at fs/btrfs/inode.c:6780 btrfs_add_link+0x728/0xac8 [ 65.465299][ T4808] Modules linked in: [ 65.465938][ T4808] CPU: 1 PID: 4808 Comm: syz.0.16 Tainted: G W syzkaller #0 [ 65.467261][ T4808] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 65.468991][ T4808] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 65.470369][ T4808] pc : btrfs_add_link+0x728/0xac8 [ 65.471270][ T4808] lr : btrfs_add_link+0x728/0xac8 [ 65.472188][ T4808] sp : ffff8000201475e0 [ 65.472903][ T4808] x29: ffff8000201476e0 x28: ffff0000deb8e4d0 x27: 0000000000000108 [ 65.474247][ T4808] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 65.475643][ T4808] x23: 0000000000000014 x22: 1fffe0001bd71ca5 x21: ffff700004028ec4 [ 65.477078][ T4808] x20: 00000000fffffff4 x19: ffff0000deb8e528 x18: 0000000000000000 [ 65.478518][ T4808] x17: 0000000000000000 x16: ffff80001135f958 x15: 0000000000000000 [ 65.479891][ T4808] x14: 0000000000000001 x13: 1fffe000341d09ab x12: 0000000000000000 [ 65.481209][ T4808] x11: ff80800008300a38 x10: 0000000000000000 x9 : cfea74aa3159b700 [ 65.482549][ T4808] x8 : cfea74aa3159b700 x7 : 0000000000000001 x6 : 0000000000000001 [ 65.483908][ T4808] x5 : ffff800020146ef8 x4 : ffff80001447f520 x3 : ffff80000850fcd0 [ 65.485307][ T4808] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 65.486676][ T4808] Call trace: [ 65.487228][ T4808] btrfs_add_link+0x728/0xac8 [ 65.488006][ T4808] btrfs_create+0x3b8/0x50c [ 65.488781][ T4808] path_openat+0xdb8/0x2808 [ 65.489502][ T4808] do_filp_open+0x188/0x370 [ 65.490250][ T4808] do_sys_openat2+0x134/0x3fc [ 65.491032][ T4808] __arm64_sys_openat+0x11c/0x150 [ 65.491858][ T4808] invoke_syscall+0x98/0x28c [ 65.492662][ T4808] el0_svc_common+0x13c/0x258 [ 65.493442][ T4808] do_el0_svc+0x5c/0x140 [ 65.494145][ T4808] el0_svc+0x78/0x1d0 [ 65.494866][ T4808] el0t_64_sync_handler+0xcc/0xe4 [ 65.495693][ T4808] el0t_64_sync+0x1a0/0x1a4 [ 65.496433][ T4808] irq event stamp: 80542 [ 65.497170][ T4808] hardirqs last enabled at (80541): [] __up_console_sem+0xb4/0xfc [ 65.498725][ T4808] hardirqs last disabled at (80542): [] el1_dbg+0x24/0x80 [ 65.500156][ T4808] softirqs last enabled at (80522): [] handle_softirqs+0xa70/0xc14 [ 65.501650][ T4808] softirqs last disabled at (80379): [] __irq_exit_rcu+0x240/0x434 [ 65.503169][ T4808] ---[ end trace baaf035a50c56bdf ]--- [ 65.506267][ T4808] BTRFS: error (device loop0) in btrfs_add_link:6780: errno=-12 Out of memory [ 65.507906][ T4808] BTRFS info (device loop0): forced readonly [ 65.701203][ T4837] loop0: detected capacity change from 0 to 32768 [ 65.749706][ T4837] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.17 (4837) [ 65.754640][ T4837] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 65.756117][ T4837] BTRFS info (device loop0): setting nodatacow, compression disabled [ 65.757612][ T4837] BTRFS info (device loop0): setting datacow [ 65.759520][ T4837] BTRFS info (device loop0): doing ref verification [ 65.760565][ T4837] BTRFS info (device loop0): force clearing of disk cache [ 65.761609][ T4837] BTRFS info (device loop0): turning off barriers [ 65.762662][ T4837] BTRFS info (device loop0): use zlib compression, level 3 [ 65.763790][ T4837] BTRFS info (device loop0): using free space tree [ 65.764813][ T4837] BTRFS info (device loop0): has skinny extents [ 65.785095][ T4837] BTRFS info (device loop0): clearing free space tree [ 65.786267][ T4837] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 65.789727][ T4837] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 65.793643][ T4837] BTRFS info (device loop0): creating free space tree [ 65.795077][ T4837] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 65.796592][ T4837] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 65.801636][ T4837] FAULT_INJECTION: forcing a failure. [ 65.801636][ T4837] name failslab, interval 1, probability 0, space 0, times 0 [ 65.803657][ T4837] CPU: 1 PID: 4837 Comm: syz.0.17 Tainted: G W syzkaller #0 [ 65.804995][ T4837] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 65.806464][ T4837] Call trace: [ 65.806940][ T4837] dump_backtrace+0x0/0x458 [ 65.807539][ T4837] show_stack+0x2c/0x3c [ 65.808235][ T4837] __dump_stack+0x30/0x40 [ 65.808970][ T4837] dump_stack_lvl+0xf4/0x15c [ 65.809750][ T4837] dump_stack+0x1c/0x5c [ 65.810453][ T4837] should_fail+0x3c8/0x520 [ 65.811179][ T4837] __should_failslab+0xbc/0x10c [ 65.811978][ T4837] should_failslab+0x10/0x28 [ 65.812746][ T4837] slab_pre_alloc_hook+0x64/0xe8 [ 65.813565][ T4837] kmem_cache_alloc+0x94/0x3d8 [ 65.814353][ T4837] btrfs_alloc_path+0x5c/0x68 [ 65.815119][ T4837] btrfs_insert_dir_item+0x184/0x3e8 [ 65.816001][ T4837] btrfs_add_link+0x2a8/0xac8 [ 65.816843][ T4837] btrfs_create+0x3b8/0x50c [ 65.817642][ T4837] path_openat+0xdb8/0x2808 [ 65.818459][ T4837] do_filp_open+0x188/0x370 [ 65.819199][ T4837] do_sys_openat2+0x134/0x3fc [ 65.819993][ T4837] __arm64_sys_openat+0x11c/0x150 [ 65.820803][ T4837] invoke_syscall+0x98/0x28c [ 65.821608][ T4837] el0_svc_common+0x13c/0x258 [ 65.822391][ T4837] do_el0_svc+0x5c/0x140 [ 65.823058][ T4837] el0_svc+0x78/0x1d0 [ 65.823723][ T4837] el0t_64_sync_handler+0xcc/0xe4 [ 65.824527][ T4837] el0t_64_sync+0x1a0/0x1a4 [ 65.828534][ T4837] ------------[ cut here ]------------ [ 65.829520][ T4837] WARNING: CPU: 1 PID: 4837 at fs/btrfs/inode.c:6780 btrfs_add_link+0x728/0xac8 [ 65.830918][ T4837] Modules linked in: [ 65.831504][ T4837] CPU: 1 PID: 4837 Comm: syz.0.17 Tainted: G W syzkaller #0 [ 65.832843][ T4837] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 65.834378][ T4837] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 65.835680][ T4837] pc : btrfs_add_link+0x728/0xac8 [ 65.836447][ T4837] lr : btrfs_add_link+0x728/0xac8 [ 65.837216][ T4837] sp : ffff8000201475e0 [ 65.837878][ T4837] x29: ffff8000201476e0 x28: ffff0000deb8e790 x27: 0000000000000108 [ 65.839277][ T4837] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 65.840672][ T4837] x23: 0000000000000014 x22: 1fffe0001bd71cfd x21: ffff700004028ec4 [ 65.842146][ T4837] x20: 00000000fffffff4 x19: ffff0000deb8e7e8 x18: 0000000000000000 [ 65.843550][ T4837] x17: 0000000000000000 x16: ffff80001135f958 x15: 0000000000000000 [ 65.844925][ T4837] x14: 0000000000000001 x13: 1fffe000341d09ab x12: 0000000000000000 [ 65.846386][ T4837] x11: ff80800008300a38 x10: 0000000000000000 x9 : 934e2090f102ae00 [ 65.847753][ T4837] x8 : 934e2090f102ae00 x7 : 0000000000000001 x6 : 0000000000000001 [ 65.849184][ T4837] x5 : ffff800020146ef8 x4 : ffff80001447f520 x3 : ffff80000850fcd0 [ 65.850578][ T4837] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 65.851926][ T4837] Call trace: [ 65.852485][ T4837] btrfs_add_link+0x728/0xac8 [ 65.853266][ T4837] btrfs_create+0x3b8/0x50c [ 65.854054][ T4837] path_openat+0xdb8/0x2808 [ 65.854814][ T4837] do_filp_open+0x188/0x370 [ 65.855589][ T4837] do_sys_openat2+0x134/0x3fc [ 65.856410][ T4837] __arm64_sys_openat+0x11c/0x150 [ 65.857289][ T4837] invoke_syscall+0x98/0x28c [ 65.858098][ T4837] el0_svc_common+0x13c/0x258 [ 65.858928][ T4837] do_el0_svc+0x5c/0x140 [ 65.859706][ T4837] el0_svc+0x78/0x1d0 [ 65.860386][ T4837] el0t_64_sync_handler+0xcc/0xe4 [ 65.861236][ T4837] el0t_64_sync+0x1a0/0x1a4 [ 65.862002][ T4837] irq event stamp: 80620 [ 65.862724][ T4837] hardirqs last enabled at (80619): [] __up_console_sem+0xb4/0xfc [ 65.864308][ T4837] hardirqs last disabled at (80620): [] el1_dbg+0x24/0x80 [ 65.865761][ T4837] softirqs last enabled at (80600): [] handle_softirqs+0xa70/0xc14 [ 65.867411][ T4837] softirqs last disabled at (80569): [] __irq_exit_rcu+0x240/0x434 [ 65.869013][ T4837] ---[ end trace baaf035a50c56be0 ]--- [ 65.872916][ T4837] BTRFS: error (device loop0) in btrfs_add_link:6780: errno=-12 Out of memory [ 65.874428][ T4837] BTRFS info (device loop0): forced readonly [ 66.046235][ T4859] loop0: detected capacity change from 0 to 32768 [ 66.093930][ T4859] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.18 (4859) [ 66.097923][ T4859] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 66.099397][ T4859] BTRFS info (device loop0): setting nodatacow, compression disabled [ 66.100833][ T4859] BTRFS info (device loop0): setting datacow [ 66.101845][ T4859] BTRFS info (device loop0): doing ref verification [ 66.102852][ T4859] BTRFS info (device loop0): force clearing of disk cache [ 66.103883][ T4859] BTRFS info (device loop0): turning off barriers [ 66.104852][ T4859] BTRFS info (device loop0): use zlib compression, level 3 [ 66.105955][ T4859] BTRFS info (device loop0): using free space tree [ 66.106954][ T4859] BTRFS info (device loop0): has skinny extents [ 66.114791][ T4859] BTRFS info (device loop0): clearing free space tree [ 66.115971][ T4859] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 66.117521][ T4859] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 66.122133][ T4859] BTRFS info (device loop0): creating free space tree [ 66.123603][ T4859] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 66.125179][ T4859] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 66.130040][ T4859] FAULT_INJECTION: forcing a failure. [ 66.130040][ T4859] name failslab, interval 1, probability 0, space 0, times 0 [ 66.132070][ T4859] CPU: 0 PID: 4859 Comm: syz.0.18 Tainted: G W syzkaller #0 [ 66.133398][ T4859] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 66.135016][ T4859] Call trace: [ 66.135543][ T4859] dump_backtrace+0x0/0x458 [ 66.136255][ T4859] show_stack+0x2c/0x3c [ 66.136890][ T4859] __dump_stack+0x30/0x40 [ 66.137549][ T4859] dump_stack_lvl+0xf4/0x15c [ 66.138243][ T4859] dump_stack+0x1c/0x5c [ 66.138955][ T4859] should_fail+0x3c8/0x520 [ 66.139691][ T4859] __should_failslab+0xbc/0x10c [ 66.140512][ T4859] should_failslab+0x10/0x28 [ 66.141291][ T4859] slab_pre_alloc_hook+0x64/0xe8 [ 66.142260][ T4859] kmem_cache_alloc+0x94/0x3d8 [ 66.143135][ T4859] btrfs_get_or_create_delayed_node+0x114/0x4b0 [ 66.144279][ T4859] btrfs_delayed_update_inode+0x3c/0x16e4 [ 66.145320][ T4859] btrfs_update_inode+0x20c/0x3c8 [ 66.146140][ T4859] btrfs_create+0x354/0x50c [ 66.146870][ T4859] path_openat+0xdb8/0x2808 [ 66.147652][ T4859] do_filp_open+0x188/0x370 [ 66.148439][ T4859] do_sys_openat2+0x134/0x3fc [ 66.149258][ T4859] __arm64_sys_openat+0x11c/0x150 [ 66.150139][ T4859] invoke_syscall+0x98/0x28c [ 66.150911][ T4859] el0_svc_common+0x13c/0x258 [ 66.151695][ T4859] do_el0_svc+0x5c/0x140 [ 66.152369][ T4859] el0_svc+0x78/0x1d0 [ 66.153006][ T4859] el0t_64_sync_handler+0xcc/0xe4 [ 66.153860][ T4859] el0t_64_sync+0x1a0/0x1a4 [ 66.305713][ T4881] loop0: detected capacity change from 0 to 32768 [ 66.389688][ T4881] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.19 (4881) [ 66.392745][ T4881] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 66.394250][ T4881] BTRFS info (device loop0): setting nodatacow, compression disabled [ 66.395566][ T4881] BTRFS info (device loop0): setting datacow [ 66.396530][ T4881] BTRFS info (device loop0): doing ref verification [ 66.397822][ T4881] BTRFS info (device loop0): force clearing of disk cache [ 66.398910][ T4881] BTRFS info (device loop0): turning off barriers [ 66.399840][ T4881] BTRFS info (device loop0): use zlib compression, level 3 [ 66.400941][ T4881] BTRFS info (device loop0): using free space tree [ 66.401952][ T4881] BTRFS info (device loop0): has skinny extents [ 66.411273][ T4881] BTRFS info (device loop0): clearing free space tree [ 66.412369][ T4881] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 66.413899][ T4881] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 66.417109][ T4881] BTRFS info (device loop0): creating free space tree [ 66.418688][ T4881] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 66.420329][ T4881] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 66.424551][ T4881] FAULT_INJECTION: forcing a failure. [ 66.424551][ T4881] name failslab, interval 1, probability 0, space 0, times 0 [ 66.426499][ T4881] CPU: 0 PID: 4881 Comm: syz.0.19 Tainted: G W syzkaller #0 [ 66.427827][ T4881] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 66.429435][ T4881] Call trace: [ 66.429962][ T4881] dump_backtrace+0x0/0x458 [ 66.430718][ T4881] show_stack+0x2c/0x3c [ 66.431437][ T4881] __dump_stack+0x30/0x40 [ 66.432177][ T4881] dump_stack_lvl+0xf4/0x15c [ 66.432972][ T4881] dump_stack+0x1c/0x5c [ 66.433626][ T4881] should_fail+0x3c8/0x520 [ 66.434324][ T4881] __should_failslab+0xbc/0x10c [ 66.435155][ T4881] should_failslab+0x10/0x28 [ 66.435870][ T4881] slab_pre_alloc_hook+0x64/0xe8 [ 66.436672][ T4881] kmem_cache_alloc+0x94/0x3d8 [ 66.437426][ T4881] btrfs_alloc_path+0x5c/0x68 [ 66.438190][ T4881] btrfs_insert_dir_item+0x184/0x3e8 [ 66.439064][ T4881] btrfs_add_link+0x2a8/0xac8 [ 66.439870][ T4881] btrfs_create+0x3b8/0x50c [ 66.440608][ T4881] path_openat+0xdb8/0x2808 [ 66.441335][ T4881] do_filp_open+0x188/0x370 [ 66.442079][ T4881] do_sys_openat2+0x134/0x3fc [ 66.442848][ T4881] __arm64_sys_openat+0x11c/0x150 [ 66.443692][ T4881] invoke_syscall+0x98/0x28c [ 66.444499][ T4881] el0_svc_common+0x13c/0x258 [ 66.445272][ T4881] do_el0_svc+0x5c/0x140 [ 66.445990][ T4881] el0_svc+0x78/0x1d0 [ 66.446705][ T4881] el0t_64_sync_handler+0xcc/0xe4 [ 66.447566][ T4881] el0t_64_sync+0x1a0/0x1a4 [ 66.449657][ T4881] ------------[ cut here ]------------ [ 66.450623][ T4881] WARNING: CPU: 0 PID: 4881 at fs/btrfs/inode.c:6780 btrfs_add_link+0x728/0xac8 [ 66.451944][ T4881] Modules linked in: [ 66.452575][ T4881] CPU: 0 PID: 4881 Comm: syz.0.19 Tainted: G W syzkaller #0 [ 66.453940][ T4881] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 66.455562][ T4881] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 66.456865][ T4881] pc : btrfs_add_link+0x728/0xac8 [ 66.457724][ T4881] lr : btrfs_add_link+0x728/0xac8 [ 66.458571][ T4881] sp : ffff8000204575e0 [ 66.459254][ T4881] x29: ffff8000204576e0 x28: ffff0000deb8b630 x27: 0000000000000108 [ 66.460627][ T4881] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 66.461985][ T4881] x23: 0000000000000014 x22: 1fffe0001bd716d1 x21: ffff70000408aec4 [ 66.463327][ T4881] x20: 00000000fffffff4 x19: ffff0000deb8b688 x18: 0000000000000000 [ 66.464687][ T4881] x17: 0000000000000000 x16: ffff80001135f958 x15: 0000000000000000 [ 66.466037][ T4881] x14: 0000000000000001 x13: 1fffe000341cc7ab x12: 0000000000000000 [ 66.467333][ T4881] x11: ff80800008300a38 x10: 0000000000000000 x9 : 80239b350dbdb800 [ 66.468660][ T4881] x8 : 80239b350dbdb800 x7 : 0000000000000001 x6 : 0000000000000001 [ 66.469854][ T4881] x5 : ffff800020456ef8 x4 : ffff80001447f520 x3 : ffff80000850fcd0 [ 66.471188][ T4881] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 66.472568][ T4881] Call trace: [ 66.473119][ T4881] btrfs_add_link+0x728/0xac8 [ 66.473895][ T4881] btrfs_create+0x3b8/0x50c [ 66.474630][ T4881] path_openat+0xdb8/0x2808 [ 66.475337][ T4881] do_filp_open+0x188/0x370 [ 66.476092][ T4881] do_sys_openat2+0x134/0x3fc [ 66.476849][ T4881] __arm64_sys_openat+0x11c/0x150 [ 66.477633][ T4881] invoke_syscall+0x98/0x28c [ 66.478367][ T4881] el0_svc_common+0x13c/0x258 [ 66.479114][ T4881] do_el0_svc+0x5c/0x140 [ 66.479800][ T4881] el0_svc+0x78/0x1d0 [ 66.480451][ T4881] el0t_64_sync_handler+0xcc/0xe4 [ 66.481282][ T4881] el0t_64_sync+0x1a0/0x1a4 [ 66.482022][ T4881] irq event stamp: 80014 [ 66.482725][ T4881] hardirqs last enabled at (80013): [] __up_console_sem+0xb4/0xfc [ 66.484290][ T4881] hardirqs last disabled at (80014): [] el1_dbg+0x24/0x80 [ 66.485741][ T4881] softirqs last enabled at (79994): [] handle_softirqs+0xa70/0xc14 [ 66.487283][ T4881] softirqs last disabled at (79967): [] __irq_exit_rcu+0x240/0x434 [ 66.488882][ T4881] ---[ end trace baaf035a50c56be1 ]--- [ 66.490860][ T4881] BTRFS: error (device loop0) in btrfs_add_link:6780: errno=-12 Out of memory [ 66.492246][ T4881] BTRFS info (device loop0): forced readonly [ 66.687612][ T4905] loop0: detected capacity change from 0 to 32768 [ 66.743085][ T4905] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.20 (4905) [ 66.747185][ T4905] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 66.748910][ T4905] BTRFS info (device loop0): setting nodatacow, compression disabled [ 66.750313][ T4905] BTRFS info (device loop0): setting datacow [ 66.751348][ T4905] BTRFS info (device loop0): doing ref verification [ 66.752494][ T4905] BTRFS info (device loop0): force clearing of disk cache [ 66.753640][ T4905] BTRFS info (device loop0): turning off barriers [ 66.754709][ T4905] BTRFS info (device loop0): use zlib compression, level 3 [ 66.756061][ T4905] BTRFS info (device loop0): using free space tree [ 66.757236][ T4905] BTRFS info (device loop0): has skinny extents [ 66.765507][ T4905] BTRFS info (device loop0): clearing free space tree [ 66.766734][ T4905] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 66.770174][ T4905] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 66.773616][ T4905] BTRFS info (device loop0): creating free space tree [ 66.775234][ T4905] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 66.776884][ T4905] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 66.781403][ T4905] FAULT_INJECTION: forcing a failure. [ 66.781403][ T4905] name failslab, interval 1, probability 0, space 0, times 0 [ 66.783831][ T4905] CPU: 1 PID: 4905 Comm: syz.0.20 Tainted: G W syzkaller #0 [ 66.785187][ T4905] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 66.786659][ T4905] Call trace: [ 66.787162][ T4905] dump_backtrace+0x0/0x458 [ 66.787910][ T4905] show_stack+0x2c/0x3c [ 66.788630][ T4905] __dump_stack+0x30/0x40 [ 66.789343][ T4905] dump_stack_lvl+0xf4/0x15c [ 66.790124][ T4905] dump_stack+0x1c/0x5c [ 66.790853][ T4905] should_fail+0x3c8/0x520 [ 66.791584][ T4905] __should_failslab+0xbc/0x10c [ 66.792404][ T4905] should_failslab+0x10/0x28 [ 66.793192][ T4905] slab_pre_alloc_hook+0x64/0xe8 [ 66.794056][ T4905] kmem_cache_alloc+0x94/0x3d8 [ 66.794862][ T4905] security_inode_alloc+0x38/0x11c [ 66.795752][ T4905] inode_init_always+0x6a8/0xb14 [ 66.796616][ T4905] new_inode_pseudo+0x7c/0x200 [ 66.797372][ T4905] new_inode+0x38/0x174 [ 66.798105][ T4905] btrfs_new_inode+0x158/0x156c [ 66.798887][ T4905] btrfs_create+0x23c/0x50c [ 66.799626][ T4905] path_openat+0xdb8/0x2808 [ 66.800404][ T4905] do_filp_open+0x188/0x370 [ 66.801111][ T4905] do_sys_openat2+0x134/0x3fc [ 66.802014][ T4905] __arm64_sys_openat+0x11c/0x150 [ 66.802952][ T4905] invoke_syscall+0x98/0x28c [ 66.803914][ T4905] el0_svc_common+0x13c/0x258 [ 66.804768][ T4905] do_el0_svc+0x5c/0x140 [ 66.805542][ T4905] el0_svc+0x78/0x1d0 [ 66.806287][ T4905] el0t_64_sync_handler+0xcc/0xe4 [ 66.807187][ T4905] el0t_64_sync+0x1a0/0x1a4 [ 66.951550][ T4927] loop0: detected capacity change from 0 to 32768 [ 66.954631][ T4927] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.21 (4927) [ 66.957637][ T4927] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 66.959270][ T4927] BTRFS info (device loop0): setting nodatacow, compression disabled [ 66.960716][ T4927] BTRFS info (device loop0): setting datacow [ 66.962649][ T4927] BTRFS info (device loop0): doing ref verification [ 66.963740][ T4927] BTRFS info (device loop0): force clearing of disk cache [ 66.964934][ T4927] BTRFS info (device loop0): turning off barriers [ 66.983666][ T4927] FAULT_INJECTION: forcing a failure. [ 66.983666][ T4927] name failslab, interval 1, probability 0, space 0, times 0 [ 66.985807][ T4927] CPU: 0 PID: 4927 Comm: syz.0.21 Tainted: G W syzkaller #0 [ 66.987244][ T4927] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 66.988963][ T4927] Call trace: [ 66.989528][ T4927] dump_backtrace+0x0/0x458 [ 66.990303][ T4927] show_stack+0x2c/0x3c [ 66.991032][ T4927] __dump_stack+0x30/0x40 [ 66.991754][ T4927] dump_stack_lvl+0xf4/0x15c [ 66.992495][ T4927] dump_stack+0x1c/0x5c [ 66.993178][ T4927] should_fail+0x3c8/0x520 [ 66.993908][ T4927] __should_failslab+0xbc/0x10c [ 66.994736][ T4927] should_failslab+0x10/0x28 [ 66.995504][ T4927] slab_pre_alloc_hook+0x64/0xe8 [ 66.996346][ T4927] kmem_cache_alloc+0x94/0x3d8 [ 66.997095][ T4927] btrfs_alloc_path+0x5c/0x68 [ 66.997894][ T4927] btrfs_insert_dir_item+0x184/0x3e8 [ 66.998721][ T4927] btrfs_add_link+0x2a8/0xac8 [ 66.999476][ T4927] btrfs_create+0x3b8/0x50c [ 67.000141][ T4927] path_openat+0xdb8/0x2808 [ 67.000857][ T4927] do_filp_open+0x188/0x370 [ 67.001562][ T4927] do_sys_openat2+0x134/0x3fc [ 67.002311][ T4927] __arm64_sys_openat+0x11c/0x150 [ 67.003066][ T4927] invoke_syscall+0x98/0x28c [ 67.003788][ T4927] el0_svc_common+0x13c/0x258 [ 67.004571][ T4927] do_el0_svc+0x5c/0x140 [ 67.005262][ T4927] el0_svc+0x78/0x1d0 [ 67.005913][ T4927] el0t_64_sync_handler+0xcc/0xe4 [ 67.006720][ T4927] el0t_64_sync+0x1a0/0x1a4 [ 67.008142][ T4927] ------------[ cut here ]------------ [ 67.009172][ T4927] WARNING: CPU: 0 PID: 4927 at fs/btrfs/inode.c:6780 btrfs_add_link+0x728/0xac8 [ 67.010700][ T4927] Modules linked in: [ 67.011334][ T4927] CPU: 0 PID: 4927 Comm: syz.0.21 Tainted: G W syzkaller #0 [ 67.012641][ T4927] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 67.014114][ T4927] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 67.015311][ T4927] pc : btrfs_add_link+0x728/0xac8 [ 67.016160][ T4927] lr : btrfs_add_link+0x728/0xac8 [ 67.016909][ T4927] sp : ffff8000206775e0 [ 67.017482][ T4927] x29: ffff8000206776e0 x28: ffff0000deb8ba50 x27: 0000000000000108 [ 67.018726][ T4927] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 67.020113][ T4927] x23: 0000000000000014 x22: 1fffe0001bd71755 x21: ffff7000040ceec4 [ 67.021524][ T4927] x20: 00000000fffffff4 x19: ffff0000deb8baa8 x18: 0000000000000000 [ 67.022889][ T4927] x17: 0000000000000000 x16: ffff8000082c67fc x15: 0000000000000000 [ 67.024219][ T4927] x14: 0000000000000001 x13: 1ffff000040ceddc x12: 0000000000000000 [ 67.025573][ T4927] x11: ff80800008300a38 x10: 0000000000000000 x9 : be073c6e3e042d00 [ 67.027060][ T4927] x8 : be073c6e3e042d00 x7 : 0000000000000001 x6 : 0000000000000001 [ 67.028447][ T4927] x5 : ffff800020676ef8 x4 : ffff80001447f520 x3 : ffff800008308360 [ 67.029786][ T4927] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 67.031120][ T4927] Call trace: [ 67.031668][ T4927] btrfs_add_link+0x728/0xac8 [ 67.032595][ T4927] btrfs_create+0x3b8/0x50c [ 67.033398][ T4927] path_openat+0xdb8/0x2808 [ 67.034190][ T4927] do_filp_open+0x188/0x370 [ 67.035016][ T4927] do_sys_openat2+0x134/0x3fc [ 67.035898][ T4927] __arm64_sys_openat+0x11c/0x150 [ 67.036846][ T4927] invoke_syscall+0x98/0x28c [ 67.037699][ T4927] el0_svc_common+0x13c/0x258 [ 67.038577][ T4927] do_el0_svc+0x5c/0x140 [ 67.039295][ T4927] el0_svc+0x78/0x1d0 [ 67.039952][ T4927] el0t_64_sync_handler+0xcc/0xe4 [ 67.040813][ T4927] el0t_64_sync+0x1a0/0x1a4 [ 67.041572][ T4927] irq event stamp: 79990 [ 67.042288][ T4927] hardirqs last enabled at (79989): [] __up_console_sem+0xb4/0xfc [ 67.043827][ T4927] hardirqs last disabled at (79990): [] el1_dbg+0x24/0x80 [ 67.045221][ T4927] softirqs last enabled at (79970): [] handle_softirqs+0xa70/0xc14 [ 67.046787][ T4927] softirqs last disabled at (79929): [] __irq_exit_rcu+0x240/0x434 [ 67.048369][ T4927] ---[ end trace baaf035a50c56be2 ]--- [ 67.049745][ T4927] BTRFS: error (device loop0) in btrfs_add_link:6780: errno=-12 Out of memory [ 67.184739][ T4949] loop0: detected capacity change from 0 to 32768 [ 67.189121][ T4949] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.22 (4949) [ 67.218394][ T4949] FAULT_INJECTION: forcing a failure. [ 67.218394][ T4949] name failslab, interval 1, probability 0, space 0, times 0 [ 67.220533][ T4949] CPU: 1 PID: 4949 Comm: syz.0.22 Tainted: G W syzkaller #0 [ 67.221900][ T4949] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 67.223501][ T4949] Call trace: [ 67.224017][ T4949] dump_backtrace+0x0/0x458 [ 67.224769][ T4949] show_stack+0x2c/0x3c [ 67.225397][ T4949] __dump_stack+0x30/0x40 [ 67.226057][ T4949] dump_stack_lvl+0xf4/0x15c [ 67.226804][ T4949] dump_stack+0x1c/0x5c [ 67.227481][ T4949] should_fail+0x3c8/0x520 [ 67.228239][ T4949] __should_failslab+0xbc/0x10c [ 67.229107][ T4949] should_failslab+0x10/0x28 [ 67.229921][ T4949] slab_pre_alloc_hook+0x64/0xe8 [ 67.230820][ T4949] kmem_cache_alloc+0x94/0x3d8 [ 67.231681][ T4949] btrfs_get_or_create_delayed_node+0x114/0x4b0 [ 67.232736][ T4949] btrfs_delayed_update_inode+0x3c/0x16e4 [ 67.233761][ T4949] btrfs_update_inode+0x20c/0x3c8 [ 67.234630][ T4949] btrfs_create+0x354/0x50c [ 67.235424][ T4949] path_openat+0xdb8/0x2808 [ 67.236217][ T4949] do_filp_open+0x188/0x370 [ 67.236975][ T4949] do_sys_openat2+0x134/0x3fc [ 67.237784][ T4949] __arm64_sys_openat+0x11c/0x150 [ 67.238656][ T4949] invoke_syscall+0x98/0x28c [ 67.239456][ T4949] el0_svc_common+0x13c/0x258 [ 67.240271][ T4949] do_el0_svc+0x5c/0x140 [ 67.240985][ T4949] el0_svc+0x78/0x1d0 [ 67.241676][ T4949] el0t_64_sync_handler+0xcc/0xe4 [ 67.242555][ T4949] el0t_64_sync+0x1a0/0x1a4 [ 67.367747][ T4831] Bluetooth: hci0: command 0x0419 tx timeout [ 67.412589][ T4970] loop0: detected capacity change from 0 to 32768 [ 67.451856][ T4970] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.23 (4970) [ 67.484130][ T4970] FAULT_INJECTION: forcing a failure. [ 67.484130][ T4970] name failslab, interval 1, probability 0, space 0, times 0 [ 67.486168][ T4970] CPU: 1 PID: 4970 Comm: syz.0.23 Tainted: G W syzkaller #0 [ 67.487607][ T4970] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 67.489398][ T4970] Call trace: [ 67.489972][ T4970] dump_backtrace+0x0/0x458 [ 67.490771][ T4970] show_stack+0x2c/0x3c [ 67.491463][ T4970] __dump_stack+0x30/0x40 [ 67.492225][ T4970] dump_stack_lvl+0xf4/0x15c [ 67.493002][ T4970] dump_stack+0x1c/0x5c [ 67.493718][ T4970] should_fail+0x3c8/0x520 [ 67.494468][ T4970] __should_failslab+0xbc/0x10c [ 67.495268][ T4970] should_failslab+0x10/0x28 [ 67.496015][ T4970] slab_pre_alloc_hook+0x64/0xe8 [ 67.496862][ T4970] kmem_cache_alloc+0x94/0x3d8 [ 67.497677][ T4970] btrfs_get_or_create_delayed_node+0x114/0x4b0 [ 67.498723][ T4970] btrfs_delayed_update_inode+0x3c/0x16e4 [ 67.499670][ T4970] btrfs_update_inode+0x20c/0x3c8 [ 67.500502][ T4970] btrfs_create+0x354/0x50c [ 67.501269][ T4970] path_openat+0xdb8/0x2808 [ 67.502076][ T4970] do_filp_open+0x188/0x370 [ 67.502871][ T4970] do_sys_openat2+0x134/0x3fc [ 67.503706][ T4970] __arm64_sys_openat+0x11c/0x150 [ 67.504554][ T4970] invoke_syscall+0x98/0x28c [ 67.505376][ T4970] el0_svc_common+0x13c/0x258 [ 67.506181][ T4970] do_el0_svc+0x5c/0x140 [ 67.506869][ T4970] el0_svc+0x78/0x1d0 [ 67.507521][ T4970] el0t_64_sync_handler+0xcc/0xe4 [ 67.508386][ T4970] el0t_64_sync+0x1a0/0x1a4 [ 67.654359][ T4992] loop0: detected capacity change from 0 to 32768 [ 67.662214][ T4992] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.24 (4992) [ 67.682278][ T4992] FAULT_INJECTION: forcing a failure. [ 67.682278][ T4992] name failslab, interval 1, probability 0, space 0, times 0 [ 67.684437][ T4992] CPU: 1 PID: 4992 Comm: syz.0.24 Tainted: G W syzkaller #0 [ 67.685783][ T4992] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 67.687471][ T4992] Call trace: [ 67.688040][ T4992] dump_backtrace+0x0/0x458 [ 67.688877][ T4992] show_stack+0x2c/0x3c [ 67.689628][ T4992] __dump_stack+0x30/0x40 [ 67.690392][ T4992] dump_stack_lvl+0xf4/0x15c [ 67.691204][ T4992] dump_stack+0x1c/0x5c [ 67.691919][ T4992] should_fail+0x3c8/0x520 [ 67.692664][ T4992] __should_failslab+0xbc/0x10c [ 67.693485][ T4992] should_failslab+0x10/0x28 [ 67.694250][ T4992] slab_pre_alloc_hook+0x64/0xe8 [ 67.695107][ T4992] kmem_cache_alloc+0x94/0x3d8 [ 67.695886][ T4992] btrfs_get_or_create_delayed_node+0x114/0x4b0 [ 67.696927][ T4992] btrfs_delayed_update_inode+0x3c/0x16e4 [ 67.697960][ T4992] btrfs_update_inode+0x20c/0x3c8 [ 67.698803][ T4992] btrfs_create+0x354/0x50c [ 67.699550][ T4992] path_openat+0xdb8/0x2808 [ 67.700326][ T4992] do_filp_open+0x188/0x370 [ 67.701074][ T4992] do_sys_openat2+0x134/0x3fc [ 67.701841][ T4992] __arm64_sys_openat+0x11c/0x150 [ 67.702698][ T4992] invoke_syscall+0x98/0x28c [ 67.703469][ T4992] el0_svc_common+0x13c/0x258 [ 67.704272][ T4992] do_el0_svc+0x5c/0x140 [ 67.704976][ T4992] el0_svc+0x78/0x1d0 [ 67.705668][ T4992] el0t_64_sync_handler+0xcc/0xe4 [ 67.706482][ T4992] el0t_64_sync+0x1a0/0x1a4 [ 67.865914][ T5014] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.25 (5014) [ 67.890679][ T5014] FAULT_INJECTION: forcing a failure. [ 67.890679][ T5014] name failslab, interval 1, probability 0, space 0, times 0 [ 67.892944][ T5014] CPU: 1 PID: 5014 Comm: syz.0.25 Tainted: G W syzkaller #0 [ 67.894372][ T5014] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 67.896196][ T5014] Call trace: [ 67.896780][ T5014] dump_backtrace+0x0/0x458 [ 67.897607][ T5014] show_stack+0x2c/0x3c [ 67.898366][ T5014] __dump_stack+0x30/0x40 [ 67.899163][ T5014] dump_stack_lvl+0xf4/0x15c [ 67.900009][ T5014] dump_stack+0x1c/0x5c [ 67.900745][ T5014] should_fail+0x3c8/0x520 [ 67.901573][ T5014] __should_failslab+0xbc/0x10c [ 67.902444][ T5014] should_failslab+0x10/0x28 [ 67.903262][ T5014] slab_pre_alloc_hook+0x64/0xe8 [ 67.904129][ T5014] kmem_cache_alloc+0x94/0x3d8 [ 67.904941][ T5014] security_inode_alloc+0x38/0x11c [ 67.905875][ T5014] inode_init_always+0x6a8/0xb14 [ 67.906758][ T5014] new_inode_pseudo+0x7c/0x200 [ 67.907582][ T5014] new_inode+0x38/0x174 [ 67.908283][ T5014] btrfs_new_inode+0x158/0x156c [ 67.909049][ T5014] btrfs_create+0x23c/0x50c [ 67.909829][ T5014] path_openat+0xdb8/0x2808 [ 67.910597][ T5014] do_filp_open+0x188/0x370 [ 67.911330][ T5014] do_sys_openat2+0x134/0x3fc [ 67.912088][ T5014] __arm64_sys_openat+0x11c/0x150 [ 67.912902][ T5014] invoke_syscall+0x98/0x28c [ 67.913731][ T5014] el0_svc_common+0x13c/0x258 [ 67.914533][ T5014] do_el0_svc+0x5c/0x140 [ 67.915295][ T5014] el0_svc+0x78/0x1d0 [ 67.916025][ T5014] el0t_64_sync_handler+0xcc/0xe4 [ 67.916849][ T5014] el0t_64_sync+0x1a0/0x1a4 [ 68.064785][ T5036] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.26 (5036) [ 68.082321][ T5036] FAULT_INJECTION: forcing a failure. [ 68.082321][ T5036] name failslab, interval 1, probability 0, space 0, times 0 [ 68.084602][ T5036] CPU: 1 PID: 5036 Comm: syz.0.26 Tainted: G W syzkaller #0 [ 68.085978][ T5036] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 68.087621][ T5036] Call trace: [ 68.088176][ T5036] dump_backtrace+0x0/0x458 [ 68.088985][ T5036] show_stack+0x2c/0x3c [ 68.089684][ T5036] __dump_stack+0x30/0x40 [ 68.090415][ T5036] dump_stack_lvl+0xf4/0x15c [ 68.091198][ T5036] dump_stack+0x1c/0x5c [ 68.091933][ T5036] should_fail+0x3c8/0x520 [ 68.092777][ T5036] __should_failslab+0xbc/0x10c [ 68.093637][ T5036] should_failslab+0x10/0x28 [ 68.094405][ T5036] slab_pre_alloc_hook+0x64/0xe8 [ 68.095308][ T5036] kmem_cache_alloc+0x94/0x3d8 [ 68.096132][ T5036] btrfs_alloc_path+0x5c/0x68 [ 68.096906][ T5036] btrfs_insert_dir_item+0x184/0x3e8 [ 68.097778][ T5036] btrfs_add_link+0x2a8/0xac8 [ 68.098568][ T5036] btrfs_create+0x3b8/0x50c [ 68.099359][ T5036] path_openat+0xdb8/0x2808 [ 68.100129][ T5036] do_filp_open+0x188/0x370 [ 68.100891][ T5036] do_sys_openat2+0x134/0x3fc [ 68.101712][ T5036] __arm64_sys_openat+0x11c/0x150 [ 68.102598][ T5036] invoke_syscall+0x98/0x28c [ 68.103377][ T5036] el0_svc_common+0x13c/0x258 [ 68.104173][ T5036] do_el0_svc+0x5c/0x140 [ 68.104890][ T5036] el0_svc+0x78/0x1d0 [ 68.105571][ T5036] el0t_64_sync_handler+0xcc/0xe4 [ 68.106375][ T5036] el0t_64_sync+0x1a0/0x1a4 [ 68.110093][ T5036] ------------[ cut here ]------------ [ 68.111087][ T5036] WARNING: CPU: 1 PID: 5036 at fs/btrfs/inode.c:6780 btrfs_add_link+0x728/0xac8 [ 68.112512][ T5036] Modules linked in: [ 68.113137][ T5036] CPU: 1 PID: 5036 Comm: syz.0.26 Tainted: G W syzkaller #0 [ 68.114676][ T5036] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 68.116460][ T5036] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 68.117850][ T5036] pc : btrfs_add_link+0x728/0xac8 [ 68.118750][ T5036] lr : btrfs_add_link+0x728/0xac8 [ 68.119660][ T5036] sp : ffff8000211575e0 [ 68.120419][ T5036] x29: ffff8000211576e0 x28: ffff0000deb950b0 x27: 0000000000000108 [ 68.121832][ T5036] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 68.123247][ T5036] x23: 0000000000000014 x22: 1fffe0001bd72a21 x21: ffff70000422aec4 [ 68.124593][ T5036] x20: 00000000fffffff4 x19: ffff0000deb95108 x18: 0000000000000000 [ 68.125968][ T5036] x17: 0000000000000000 x16: ffff80001135f958 x15: 0000000000000000 [ 68.127323][ T5036] x14: 0000000000000001 x13: 1fffe000341d09ab x12: 0000000000000000 [ 68.128683][ T5036] x11: ff80800008300a38 x10: 0000000000000000 x9 : c202838fd3ab7400 [ 68.130074][ T5036] x8 : c202838fd3ab7400 x7 : 0000000000000001 x6 : 0000000000000001 [ 68.131477][ T5036] x5 : ffff800021156ef8 x4 : ffff80001447f520 x3 : ffff80000850fcd0 [ 68.132828][ T5036] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 68.134250][ T5036] Call trace: [ 68.134814][ T5036] btrfs_add_link+0x728/0xac8 [ 68.135624][ T5036] btrfs_create+0x3b8/0x50c [ 68.136396][ T5036] path_openat+0xdb8/0x2808 [ 68.137204][ T5036] do_filp_open+0x188/0x370 [ 68.138030][ T5036] do_sys_openat2+0x134/0x3fc [ 68.138868][ T5036] __arm64_sys_openat+0x11c/0x150 [ 68.139699][ T5036] invoke_syscall+0x98/0x28c [ 68.140479][ T5036] el0_svc_common+0x13c/0x258 [ 68.141260][ T5036] do_el0_svc+0x5c/0x140 [ 68.141956][ T5036] el0_svc+0x78/0x1d0 [ 68.142628][ T5036] el0t_64_sync_handler+0xcc/0xe4 [ 68.143448][ T5036] el0t_64_sync+0x1a0/0x1a4 [ 68.144202][ T5036] irq event stamp: 79738 [ 68.144900][ T5036] hardirqs last enabled at (79737): [] __up_console_sem+0xb4/0xfc [ 68.146440][ T5036] hardirqs last disabled at (79738): [] el1_dbg+0x24/0x80 [ 68.147899][ T5036] softirqs last enabled at (79718): [] handle_softirqs+0xa70/0xc14 [ 68.149547][ T5036] softirqs last disabled at (79675): [] __irq_exit_rcu+0x240/0x434 [ 68.151197][ T5036] ---[ end trace baaf035a50c56be3 ]--- [ 68.154352][ T5036] BTRFS: error (device loop0) in btrfs_add_link:6780: errno=-12 Out of memory [ 68.216455][ T4722] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 10 /dev/loop0 scanned by udevd (4722) [ 68.367208][ T5058] FAULT_INJECTION: forcing a failure. [ 68.367208][ T5058] name failslab, interval 1, probability 0, space 0, times 0 [ 68.369530][ T5058] CPU: 1 PID: 5058 Comm: syz.0.27 Tainted: G W syzkaller #0 [ 68.370895][ T5058] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 68.372470][ T5058] Call trace: [ 68.372951][ T5058] dump_backtrace+0x0/0x458 [ 68.373734][ T5058] show_stack+0x2c/0x3c [ 68.374387][ T5058] __dump_stack+0x30/0x40 [ 68.375109][ T5058] dump_stack_lvl+0xf4/0x15c [ 68.375884][ T5058] dump_stack+0x1c/0x5c [ 68.376528][ T5058] should_fail+0x3c8/0x520 [ 68.377258][ T5058] __should_failslab+0xbc/0x10c [ 68.378030][ T5058] should_failslab+0x10/0x28 [ 68.378827][ T5058] slab_pre_alloc_hook+0x64/0xe8 [ 68.379654][ T5058] kmem_cache_alloc+0x94/0x3d8 [ 68.380480][ T5058] btrfs_alloc_path+0x5c/0x68 [ 68.381273][ T5058] btrfs_insert_dir_item+0x184/0x3e8 [ 68.382190][ T5058] btrfs_add_link+0x2a8/0xac8 [ 68.383031][ T5058] btrfs_create+0x3b8/0x50c [ 68.383850][ T5058] path_openat+0xdb8/0x2808 [ 68.384660][ T5058] do_filp_open+0x188/0x370 [ 68.385440][ T5058] do_sys_openat2+0x134/0x3fc [ 68.386254][ T5058] __arm64_sys_openat+0x11c/0x150 [ 68.387153][ T5058] invoke_syscall+0x98/0x28c [ 68.387926][ T5058] el0_svc_common+0x13c/0x258 [ 68.388747][ T5058] do_el0_svc+0x5c/0x140 [ 68.389451][ T5058] el0_svc+0x78/0x1d0 [ 68.390141][ T5058] el0t_64_sync_handler+0xcc/0xe4 [ 68.390998][ T5058] el0t_64_sync+0x1a0/0x1a4 [ 68.392416][ T5058] ------------[ cut here ]------------ [ 68.393350][ T5058] WARNING: CPU: 1 PID: 5058 at fs/btrfs/inode.c:6780 btrfs_add_link+0x728/0xac8 [ 68.394716][ T5058] Modules linked in: [ 68.395316][ T5058] CPU: 1 PID: 5058 Comm: syz.0.27 Tainted: G W syzkaller #0 [ 68.396653][ T5058] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 68.398285][ T5058] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 68.399579][ T5058] pc : btrfs_add_link+0x728/0xac8 [ 68.400418][ T5058] lr : btrfs_add_link+0x728/0xac8 [ 68.401262][ T5058] sp : ffff8000212675e0 [ 68.401954][ T5058] x29: ffff8000212676e0 x28: ffff0000deb95370 x27: 0000000000000108 [ 68.403349][ T5058] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 68.404780][ T5058] x23: 0000000000000014 x22: 1fffe0001bd72a79 x21: ffff70000424cec4 [ 68.406181][ T5058] x20: 00000000fffffff4 x19: ffff0000deb953c8 x18: 0000000000000000 [ 68.407594][ T5058] x17: 0000000000000000 x16: ffff80001135f958 x15: 0000000000000000 [ 68.408982][ T5058] x14: 0000000000000001 x13: 1fffe000341d09ab x12: 0000000000000000 [ 68.410360][ T5058] x11: ff80800008300a38 x10: 0000000000000000 x9 : 43fe8f7eda872900 [ 68.411669][ T5058] x8 : 43fe8f7eda872900 x7 : 0000000000000001 x6 : 0000000000000001 [ 68.413026][ T5058] x5 : ffff800021266ef8 x4 : ffff80001447f520 x3 : ffff80000850fcd0 [ 68.414403][ T5058] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 68.415801][ T5058] Call trace: [ 68.416328][ T5058] btrfs_add_link+0x728/0xac8 [ 68.417090][ T5058] btrfs_create+0x3b8/0x50c [ 68.417843][ T5058] path_openat+0xdb8/0x2808 [ 68.418574][ T5058] do_filp_open+0x188/0x370 [ 68.419339][ T5058] do_sys_openat2+0x134/0x3fc [ 68.420161][ T5058] __arm64_sys_openat+0x11c/0x150 [ 68.421006][ T5058] invoke_syscall+0x98/0x28c [ 68.421784][ T5058] el0_svc_common+0x13c/0x258 [ 68.422561][ T5058] do_el0_svc+0x5c/0x140 [ 68.423274][ T5058] el0_svc+0x78/0x1d0 [ 68.423948][ T5058] el0t_64_sync_handler+0xcc/0xe4 [ 68.424805][ T5058] el0t_64_sync+0x1a0/0x1a4 [ 68.425589][ T5058] irq event stamp: 80038 [ 68.426316][ T5058] hardirqs last enabled at (80037): [] __up_console_sem+0xb4/0xfc [ 68.427901][ T5058] hardirqs last disabled at (80038): [] el1_dbg+0x24/0x80 [ 68.429341][ T5058] softirqs last enabled at (80018): [] handle_softirqs+0xa70/0xc14 [ 68.430925][ T5058] softirqs last disabled at (79993): [] __irq_exit_rcu+0x240/0x434 [ 68.432501][ T5058] ---[ end trace baaf035a50c56be4 ]--- [ 68.436838][ T5058] BTRFS: error (device loop0) in btrfs_add_link:6780: errno=-12 Out of memory [ 68.474405][ T343] device hsr_slave_0 left promiscuous mode [ 68.490851][ T4722] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 10 /dev/loop0 scanned by udevd (4722) [ 68.500269][ T343] device hsr_slave_1 left promiscuous mode [ 68.589185][ T343] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 68.590462][ T343] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 68.592072][ T343] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 68.593266][ T343] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 68.594587][ T343] device bridge_slave_1 left promiscuous mode [ 68.595721][ T343] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.630582][ T343] device bridge_slave_0 left promiscuous mode [ 68.631761][ T343] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.660147][ T5081] FAULT_INJECTION: forcing a failure. [ 68.660147][ T5081] name failslab, interval 1, probability 0, space 0, times 0 [ 68.662630][ T5081] CPU: 0 PID: 5081 Comm: syz.0.28 Tainted: G W syzkaller #0 [ 68.664143][ T5081] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 68.665932][ T5081] Call trace: [ 68.666473][ T5081] dump_backtrace+0x0/0x458 [ 68.667248][ T5081] show_stack+0x2c/0x3c [ 68.667996][ T5081] __dump_stack+0x30/0x40 [ 68.668745][ T5081] dump_stack_lvl+0xf4/0x15c [ 68.669554][ T5081] dump_stack+0x1c/0x5c [ 68.670215][ T5081] should_fail+0x3c8/0x520 [ 68.670927][ T5081] __should_failslab+0xbc/0x10c [ 68.671702][ T5081] should_failslab+0x10/0x28 [ 68.672458][ T5081] slab_pre_alloc_hook+0x64/0xe8 [ 68.673300][ T5081] kmem_cache_alloc+0x94/0x3d8 [ 68.674043][ T5081] btrfs_alloc_path+0x5c/0x68 [ 68.674772][ T5081] btrfs_insert_dir_item+0x184/0x3e8 [ 68.675658][ T5081] btrfs_add_link+0x2a8/0xac8 [ 68.676435][ T5081] btrfs_create+0x3b8/0x50c [ 68.677270][ T5081] path_openat+0xdb8/0x2808 [ 68.678015][ T5081] do_filp_open+0x188/0x370 [ 68.678773][ T5081] do_sys_openat2+0x134/0x3fc [ 68.679553][ T5081] __arm64_sys_openat+0x11c/0x150 [ 68.680378][ T5081] invoke_syscall+0x98/0x28c [ 68.681108][ T5081] el0_svc_common+0x13c/0x258 [ 68.681889][ T5081] do_el0_svc+0x5c/0x140 [ 68.682605][ T5081] el0_svc+0x78/0x1d0 [ 68.683275][ T5081] el0t_64_sync_handler+0xcc/0xe4 [ 68.684112][ T5081] el0t_64_sync+0x1a0/0x1a4 [ 68.685748][ T5081] ------------[ cut here ]------------ [ 68.686765][ T5081] WARNING: CPU: 0 PID: 5081 at fs/btrfs/inode.c:6780 btrfs_add_link+0x728/0xac8 [ 68.688284][ T5081] Modules linked in: [ 68.689030][ T5081] CPU: 0 PID: 5081 Comm: syz.0.28 Tainted: G W syzkaller #0 [ 68.690683][ T5081] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 68.692513][ T5081] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 68.693958][ T5081] pc : btrfs_add_link+0x728/0xac8 [ 68.694811][ T5081] lr : btrfs_add_link+0x728/0xac8 [ 68.695629][ T5081] sp : ffff8000213675e0 [ 68.696302][ T5081] x29: ffff8000213676e0 x28: ffff0000deb8be70 x27: 0000000000000108 [ 68.697584][ T5081] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 68.698982][ T5081] x23: 0000000000000014 x22: 1fffe0001bd717d9 x21: ffff70000426cec4 [ 68.700392][ T5081] x20: 00000000fffffff4 x19: ffff0000deb8bec8 x18: 0000000000000000 [ 68.701756][ T5081] x17: 0000000000000000 x16: ffff80001135f958 x15: 0000000000000000 [ 68.703060][ T5081] x14: 0000000000000001 x13: 1fffe000341cc7ab x12: 0000000000000000 [ 68.704397][ T5081] x11: ff80800008300a38 x10: 0000000000000000 x9 : a5066c0d58679f00 [ 68.705713][ T5081] x8 : a5066c0d58679f00 x7 : 0000000000000001 x6 : 0000000000000001 [ 68.706951][ T5081] x5 : ffff800021366ef8 x4 : ffff80001447f520 x3 : ffff80000850fcd0 [ 68.708264][ T5081] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 68.709504][ T5081] Call trace: [ 68.710035][ T5081] btrfs_add_link+0x728/0xac8 [ 68.710707][ T5081] btrfs_create+0x3b8/0x50c [ 68.711453][ T5081] path_openat+0xdb8/0x2808 [ 68.712228][ T5081] do_filp_open+0x188/0x370 [ 68.712946][ T5081] do_sys_openat2+0x134/0x3fc [ 68.713742][ T5081] __arm64_sys_openat+0x11c/0x150 [ 68.714559][ T5081] invoke_syscall+0x98/0x28c [ 68.715322][ T5081] el0_svc_common+0x13c/0x258 [ 68.716081][ T5081] do_el0_svc+0x5c/0x140 [ 68.716772][ T5081] el0_svc+0x78/0x1d0 [ 68.717421][ T5081] el0t_64_sync_handler+0xcc/0xe4 [ 68.718185][ T5081] el0t_64_sync+0x1a0/0x1a4 [ 68.718900][ T5081] irq event stamp: 79690 [ 68.719564][ T5081] hardirqs last enabled at (79689): [] __up_console_sem+0xb4/0xfc [ 68.721049][ T5081] hardirqs last disabled at (79690): [] el1_dbg+0x24/0x80 [ 68.722375][ T5081] softirqs last enabled at (79670): [] handle_softirqs+0xa70/0xc14 [ 68.724066][ T5081] softirqs last disabled at (79649): [] __irq_exit_rcu+0x240/0x434 [ 68.725760][ T5081] ---[ end trace baaf035a50c56be5 ]--- [ 68.728495][ T5081] BTRFS: error (device loop0) in btrfs_add_link:6780: errno=-12 Out of memory [ 68.783686][ T4722] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 10 /dev/loop0 scanned by udevd (4722) [ 68.829233][ T343] device veth1_macvtap left promiscuous mode [ 68.830403][ T343] device veth0_macvtap left promiscuous mode [ 68.831661][ T343] device veth1_vlan left promiscuous mode [ 68.832627][ T343] device veth0_vlan left promiscuous mode [ 68.947516][ T343] team0 (unregistering): Port device team_slave_1 removed [ 68.954600][ T343] team0 (unregistering): Port device team_slave_0 removed [ 68.959295][ T343] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 68.986682][ T5104] FAULT_INJECTION: forcing a failure. [ 68.986682][ T5104] name failslab, interval 1, probability 0, space 0, times 0 [ 68.990057][ T5104] CPU: 0 PID: 5104 Comm: syz.0.29 Tainted: G W syzkaller #0 [ 68.991492][ T5104] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 68.993048][ T5104] Call trace: [ 68.993538][ T5104] dump_backtrace+0x0/0x458 [ 68.994254][ T5104] show_stack+0x2c/0x3c [ 68.994865][ T5104] __dump_stack+0x30/0x40 [ 68.995526][ T5104] dump_stack_lvl+0xf4/0x15c [ 68.996174][ T5104] dump_stack+0x1c/0x5c [ 68.996813][ T5104] should_fail+0x3c8/0x520 [ 68.997553][ T5104] __should_failslab+0xbc/0x10c [ 68.998321][ T5104] should_failslab+0x10/0x28 [ 68.999069][ T5104] slab_pre_alloc_hook+0x64/0xe8 [ 68.999888][ T5104] kmem_cache_alloc+0x94/0x3d8 [ 69.000646][ T5104] btrfs_get_or_create_delayed_node+0x114/0x4b0 [ 69.001644][ T5104] btrfs_delayed_update_inode+0x3c/0x16e4 [ 69.002554][ T5104] btrfs_update_inode+0x20c/0x3c8 [ 69.003382][ T5104] btrfs_create+0x354/0x50c [ 69.004071][ T5104] path_openat+0xdb8/0x2808 [ 69.004792][ T5104] do_filp_open+0x188/0x370 [ 69.005541][ T5104] do_sys_openat2+0x134/0x3fc [ 69.006311][ T5104] __arm64_sys_openat+0x11c/0x150 [ 69.007164][ T5104] invoke_syscall+0x98/0x28c [ 69.007922][ T5104] el0_svc_common+0x13c/0x258 [ 69.008700][ T5104] do_el0_svc+0x5c/0x140 [ 69.009385][ T5104] el0_svc+0x78/0x1d0 [ 69.010030][ T5104] el0t_64_sync_handler+0xcc/0xe4 [ 69.010825][ T5104] el0t_64_sync+0x1a0/0x1a4 [ 69.033956][ T343] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 69.151428][ T343] bond0 (unregistering): Released all slaves [ 69.189449][ T5127] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.30 (5127) [ 69.251828][ T5127] FAULT_INJECTION: forcing a failure. [ 69.251828][ T5127] name failslab, interval 1, probability 0, space 0, times 0 [ 69.253951][ T5127] CPU: 1 PID: 5127 Comm: syz.0.30 Tainted: G W syzkaller #0 [ 69.255296][ T5127] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 69.256887][ T5127] Call trace: [ 69.257376][ T5127] dump_backtrace+0x0/0x458 [ 69.258159][ T5127] show_stack+0x2c/0x3c [ 69.258867][ T5127] __dump_stack+0x30/0x40 [ 69.259613][ T5127] dump_stack_lvl+0xf4/0x15c [ 69.260402][ T5127] dump_stack+0x1c/0x5c [ 69.261110][ T5127] should_fail+0x3c8/0x520 [ 69.261835][ T5127] __should_failslab+0xbc/0x10c [ 69.262660][ T5127] should_failslab+0x10/0x28 [ 69.263442][ T5127] slab_pre_alloc_hook+0x64/0xe8 [ 69.264285][ T5127] kmem_cache_alloc+0x94/0x3d8 [ 69.265089][ T5127] btrfs_alloc_path+0x5c/0x68 [ 69.265903][ T5127] btrfs_insert_dir_item+0x184/0x3e8 [ 69.266760][ T5127] btrfs_add_link+0x2a8/0xac8 [ 69.267516][ T5127] btrfs_create+0x3b8/0x50c [ 69.268290][ T5127] path_openat+0xdb8/0x2808 [ 69.269060][ T5127] do_filp_open+0x188/0x370 [ 69.269794][ T5127] do_sys_openat2+0x134/0x3fc [ 69.270571][ T5127] __arm64_sys_openat+0x11c/0x150 [ 69.271388][ T5127] invoke_syscall+0x98/0x28c [ 69.272170][ T5127] el0_svc_common+0x13c/0x258 [ 69.272944][ T5127] do_el0_svc+0x5c/0x140 [ 69.273696][ T5127] el0_svc+0x78/0x1d0 [ 69.274403][ T5127] el0t_64_sync_handler+0xcc/0xe4 [ 69.275246][ T5127] el0t_64_sync+0x1a0/0x1a4 [ 69.277950][ T5127] ------------[ cut here ]------------ [ 69.278871][ T5127] WARNING: CPU: 1 PID: 5127 at fs/btrfs/inode.c:6780 btrfs_add_link+0x728/0xac8 [ 69.280339][ T5127] Modules linked in: [ 69.280886][ T5127] CPU: 1 PID: 5127 Comm: syz.0.30 Tainted: G W syzkaller #0 [ 69.282228][ T5127] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 69.284087][ T5127] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 69.285567][ T5127] pc : btrfs_add_link+0x728/0xac8 [ 69.286494][ T5127] lr : btrfs_add_link+0x728/0xac8 [ 69.287398][ T5127] sp : ffff8000214e75e0 [ 69.288113][ T5127] x29: ffff8000214e76e0 x28: ffff0000deb95790 x27: 0000000000000108 [ 69.289558][ T5127] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 69.290907][ T5127] x23: 0000000000000014 x22: 1fffe0001bd72afd x21: ffff70000429cec4 [ 69.292296][ T5127] x20: 00000000fffffff4 x19: ffff0000deb957e8 x18: 0000000000000000 [ 69.293637][ T5127] x17: 0000000000000000 x16: ffff80001135f958 x15: 0000000000000000 [ 69.295011][ T5127] x14: 0000000000000001 x13: 1fffe000341d09ab x12: 0000000000000000 [ 69.296369][ T5127] x11: ff80800008300a38 x10: 0000000000000000 x9 : c76ed2207fee4f00 [ 69.297733][ T5127] x8 : c76ed2207fee4f00 x7 : 0000000000000001 x6 : 0000000000000001 [ 69.299123][ T5127] x5 : ffff8000214e6ef8 x4 : ffff80001447f520 x3 : ffff80000850fcd0 [ 69.300511][ T5127] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 69.301889][ T5127] Call trace: [ 69.302480][ T5127] btrfs_add_link+0x728/0xac8 [ 69.303279][ T5127] btrfs_create+0x3b8/0x50c [ 69.304047][ T5127] path_openat+0xdb8/0x2808 [ 69.304813][ T5127] do_filp_open+0x188/0x370 [ 69.305574][ T5127] do_sys_openat2+0x134/0x3fc [ 69.306379][ T5127] __arm64_sys_openat+0x11c/0x150 [ 69.307235][ T5127] invoke_syscall+0x98/0x28c [ 69.308016][ T5127] el0_svc_common+0x13c/0x258 [ 69.308799][ T5127] do_el0_svc+0x5c/0x140 [ 69.309512][ T5127] el0_svc+0x78/0x1d0 [ 69.310185][ T5127] el0t_64_sync_handler+0xcc/0xe4 [ 69.311005][ T5127] el0t_64_sync+0x1a0/0x1a4 [ 69.311748][ T5127] irq event stamp: 80010 [ 69.312443][ T5127] hardirqs last enabled at (80009): [] __up_console_sem+0xb4/0xfc [ 69.314040][ T5127] hardirqs last disabled at (80010): [] el1_dbg+0x24/0x80 [ 69.315458][ T5127] softirqs last enabled at (79990): [] handle_softirqs+0xa70/0xc14 [ 69.317015][ T5127] softirqs last disabled at (79977): [] __irq_exit_rcu+0x240/0x434 [ 69.318559][ T5127] ---[ end trace baaf035a50c56be6 ]--- [ 69.321843][ T5127] BTRFS: error (device loop0) in btrfs_add_link:6780: errno=-12 Out of memory [ 69.568574][ T5149] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.31 (5149) [ 69.609387][ T3341] cfg80211: failed to load regulatory.db [ 69.609394][ T2065] ieee802154 phy0 wpan0: encryption failed: -22 [ 69.611527][ T2065] ieee802154 phy1 wpan1: encryption failed: -22 [ 69.705221][ T5149] FAULT_INJECTION: forcing a failure. [ 69.705221][ T5149] name failslab, interval 1, probability 0, space 0, times 0 [ 69.707304][ T5149] CPU: 0 PID: 5149 Comm: syz.0.31 Tainted: G W syzkaller #0 [ 69.708718][ T5149] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 69.710304][ T5149] Call trace: [ 69.710814][ T5149] dump_backtrace+0x0/0x458 [ 69.711595][ T5149] show_stack+0x2c/0x3c [ 69.712301][ T5149] __dump_stack+0x30/0x40 [ 69.713060][ T5149] dump_stack_lvl+0xf4/0x15c [ 69.713887][ T5149] dump_stack+0x1c/0x5c [ 69.714590][ T5149] should_fail+0x3c8/0x520 [ 69.715339][ T5149] __should_failslab+0xbc/0x10c [ 69.716142][ T5149] should_failslab+0x10/0x28 [ 69.716899][ T5149] slab_pre_alloc_hook+0x64/0xe8 [ 69.717698][ T5149] kmem_cache_alloc+0x94/0x3d8 [ 69.718465][ T5149] btrfs_alloc_path+0x5c/0x68 [ 69.719257][ T5149] btrfs_insert_dir_item+0x184/0x3e8 [ 69.720146][ T5149] btrfs_add_link+0x2a8/0xac8 [ 69.720925][ T5149] btrfs_create+0x3b8/0x50c [ 69.721668][ T5149] path_openat+0xdb8/0x2808 [ 69.722423][ T5149] do_filp_open+0x188/0x370 [ 69.723152][ T5149] do_sys_openat2+0x134/0x3fc [ 69.723965][ T5149] __arm64_sys_openat+0x11c/0x150 [ 69.724839][ T5149] invoke_syscall+0x98/0x28c [ 69.725641][ T5149] el0_svc_common+0x13c/0x258 [ 69.726475][ T5149] do_el0_svc+0x5c/0x140 [ 69.727182][ T5149] el0_svc+0x78/0x1d0 [ 69.727866][ T5149] el0t_64_sync_handler+0xcc/0xe4 [ 69.728734][ T5149] el0t_64_sync+0x1a0/0x1a4 [ 69.746422][ T5149] ------------[ cut here ]------------ [ 69.747496][ T5149] WARNING: CPU: 0 PID: 5149 at fs/btrfs/inode.c:6780 btrfs_add_link+0x728/0xac8 [ 69.748949][ T5149] Modules linked in: [ 69.749579][ T5149] CPU: 0 PID: 5149 Comm: syz.0.31 Tainted: G W syzkaller #0 [ 69.751039][ T5149] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 69.753012][ T5149] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 69.754430][ T5149] pc : btrfs_add_link+0x728/0xac8 [ 69.755282][ T5149] lr : btrfs_add_link+0x728/0xac8 [ 69.756127][ T5149] sp : ffff8000210375e0 [ 69.756854][ T5149] x29: ffff8000210376e0 x28: ffff0000deb8ebb0 x27: 0000000000000108 [ 69.758255][ T5149] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 69.759674][ T5149] x23: 0000000000000014 x22: 1fffe0001bd71d81 x21: ffff700004206ec4 [ 69.761092][ T5149] x20: 00000000fffffff4 x19: ffff0000deb8ec08 x18: 0000000000000000 [ 69.762436][ T5149] x17: 0000000000000000 x16: ffff80001135f958 x15: 0000000000000000 [ 69.763807][ T5149] x14: 0000000000000001 x13: 1fffe000341cc7ab x12: 0000000000000000 [ 69.765176][ T5149] x11: ff80800008300a38 x10: 0000000000000000 x9 : b0b1e9db73317c00 [ 69.766605][ T5149] x8 : b0b1e9db73317c00 x7 : 0000000000000001 x6 : 0000000000000001 [ 69.768050][ T5149] x5 : ffff800021036ef8 x4 : ffff80001447f520 x3 : ffff80000850fcd0 [ 69.769482][ T5149] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 69.770906][ T5149] Call trace: [ 69.771492][ T5149] btrfs_add_link+0x728/0xac8 [ 69.772340][ T5149] btrfs_create+0x3b8/0x50c [ 69.773146][ T5149] path_openat+0xdb8/0x2808 [ 69.773956][ T5149] do_filp_open+0x188/0x370 [ 69.774727][ T5149] do_sys_openat2+0x134/0x3fc [ 69.775489][ T5149] __arm64_sys_openat+0x11c/0x150 [ 69.776285][ T5149] invoke_syscall+0x98/0x28c [ 69.777034][ T5149] el0_svc_common+0x13c/0x258 [ 69.777790][ T5149] do_el0_svc+0x5c/0x140 [ 69.778450][ T5149] el0_svc+0x78/0x1d0 [ 69.779077][ T5149] el0t_64_sync_handler+0xcc/0xe4 [ 69.779918][ T5149] el0t_64_sync+0x1a0/0x1a4 [ 69.780653][ T5149] irq event stamp: 80102 [ 69.781353][ T5149] hardirqs last enabled at (80101): [] __up_console_sem+0xb4/0xfc [ 69.783001][ T5149] hardirqs last disabled at (80102): [] el1_dbg+0x24/0x80 [ 69.784497][ T5149] softirqs last enabled at (80082): [] handle_softirqs+0xa70/0xc14 [ 69.786193][ T5149] softirqs last disabled at (80027): [] __irq_exit_rcu+0x240/0x434 [ 69.787716][ T5149] ---[ end trace baaf035a50c56be7 ]--- [ 69.789689][ T5149] BTRFS: error (device loop0) in btrfs_add_link:6780: errno=-12 Out of memory [ 70.027748][ T5171] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.32 (5171) [ 70.089634][ T5171] FAULT_INJECTION: forcing a failure. [ 70.089634][ T5171] name failslab, interval 1, probability 0, space 0, times 0 [ 70.091783][ T5171] CPU: 0 PID: 5171 Comm: syz.0.32 Tainted: G W syzkaller #0 [ 70.093240][ T5171] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 70.094946][ T5171] Call trace: [ 70.095497][ T5171] dump_backtrace+0x0/0x458 [ 70.096255][ T5171] show_stack+0x2c/0x3c [ 70.097082][ T5171] __dump_stack+0x30/0x40 [ 70.097919][ T5171] dump_stack_lvl+0xf4/0x15c [ 70.098825][ T5171] dump_stack+0x1c/0x5c [ 70.099567][ T5171] should_fail+0x3c8/0x520 [ 70.100369][ T5171] __should_failslab+0xbc/0x10c [ 70.101247][ T5171] should_failslab+0x10/0x28 [ 70.102128][ T5171] slab_pre_alloc_hook+0x64/0xe8 [ 70.103052][ T5171] kmem_cache_alloc+0x94/0x3d8 [ 70.103929][ T5171] security_inode_alloc+0x38/0x11c [ 70.104790][ T5171] inode_init_always+0x6a8/0xb14 [ 70.105601][ T5171] new_inode_pseudo+0x7c/0x200 [ 70.106368][ T5171] new_inode+0x38/0x174 [ 70.107173][ T5171] btrfs_new_inode+0x158/0x156c [ 70.108087][ T5171] btrfs_create+0x23c/0x50c [ 70.108936][ T5171] path_openat+0xdb8/0x2808 [ 70.109697][ T5171] do_filp_open+0x188/0x370 [ 70.110472][ T5171] do_sys_openat2+0x134/0x3fc [ 70.111280][ T5171] __arm64_sys_openat+0x11c/0x150 [ 70.112142][ T5171] invoke_syscall+0x98/0x28c [ 70.112916][ T5171] el0_svc_common+0x13c/0x258 [ 70.113709][ T5171] do_el0_svc+0x5c/0x140 [ 70.114445][ T5171] el0_svc+0x78/0x1d0 [ 70.115141][ T5171] el0t_64_sync_handler+0xcc/0xe4 [ 70.115985][ T5171] el0t_64_sync+0x1a0/0x1a4 1970/01/01 00:01:10 executed programs: 20 [ 70.266396][ T5193] set_capacity_and_notify: 8 callbacks suppressed [ 70.266404][ T5193] loop0: detected capacity change from 0 to 32768 [ 70.275372][ T5193] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.33 (5193) [ 70.280669][ T5193] btrfs_printk: 180 callbacks suppressed [ 70.280678][ T5193] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 70.283058][ T5193] BTRFS info (device loop0): setting nodatacow, compression disabled [ 70.284441][ T5193] BTRFS info (device loop0): setting datacow [ 70.285507][ T5193] BTRFS info (device loop0): doing ref verification [ 70.286585][ T5193] BTRFS info (device loop0): force clearing of disk cache [ 70.287938][ T5193] BTRFS info (device loop0): turning off barriers [ 70.289076][ T5193] BTRFS info (device loop0): use zlib compression, level 3 [ 70.290217][ T5193] BTRFS info (device loop0): using free space tree [ 70.291221][ T5193] BTRFS info (device loop0): has skinny extents [ 70.299804][ T5193] BTRFS info (device loop0): clearing free space tree [ 70.301059][ T5193] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 70.302756][ T5193] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 70.305840][ T5193] BTRFS info (device loop0): creating free space tree [ 70.307258][ T5193] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 70.309283][ T5193] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 70.313522][ T5193] FAULT_INJECTION: forcing a failure. [ 70.313522][ T5193] name failslab, interval 1, probability 0, space 0, times 0 [ 70.315570][ T5193] CPU: 1 PID: 5193 Comm: syz.0.33 Tainted: G W syzkaller #0 [ 70.316922][ T5193] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 70.318584][ T5193] Call trace: [ 70.319142][ T5193] dump_backtrace+0x0/0x458 [ 70.319914][ T5193] show_stack+0x2c/0x3c [ 70.320605][ T5193] __dump_stack+0x30/0x40 [ 70.321350][ T5193] dump_stack_lvl+0xf4/0x15c [ 70.322136][ T5193] dump_stack+0x1c/0x5c [ 70.322865][ T5193] should_fail+0x3c8/0x520 [ 70.323619][ T5193] __should_failslab+0xbc/0x10c [ 70.324440][ T5193] should_failslab+0x10/0x28 [ 70.325260][ T5193] slab_pre_alloc_hook+0x64/0xe8 [ 70.326085][ T5193] kmem_cache_alloc+0x94/0x3d8 [ 70.326931][ T5193] btrfs_alloc_path+0x5c/0x68 [ 70.327708][ T5193] btrfs_insert_dir_item+0x184/0x3e8 [ 70.328611][ T5193] btrfs_add_link+0x2a8/0xac8 [ 70.329413][ T5193] btrfs_create+0x3b8/0x50c [ 70.330138][ T5193] path_openat+0xdb8/0x2808 [ 70.330907][ T5193] do_filp_open+0x188/0x370 [ 70.331638][ T5193] do_sys_openat2+0x134/0x3fc [ 70.332421][ T5193] __arm64_sys_openat+0x11c/0x150 [ 70.333287][ T5193] invoke_syscall+0x98/0x28c [ 70.334041][ T5193] el0_svc_common+0x13c/0x258 [ 70.334839][ T5193] do_el0_svc+0x5c/0x140 [ 70.335534][ T5193] el0_svc+0x78/0x1d0 [ 70.336203][ T5193] el0t_64_sync_handler+0xcc/0xe4 [ 70.337043][ T5193] el0t_64_sync+0x1a0/0x1a4 [ 70.338328][ T5193] ------------[ cut here ]------------ [ 70.339346][ T5193] WARNING: CPU: 1 PID: 5193 at fs/btrfs/inode.c:6780 btrfs_add_link+0x728/0xac8 [ 70.340768][ T5193] Modules linked in: [ 70.341345][ T5193] CPU: 1 PID: 5193 Comm: syz.0.33 Tainted: G W syzkaller #0 [ 70.342658][ T5193] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 70.344200][ T5193] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 70.345408][ T5193] pc : btrfs_add_link+0x728/0xac8 [ 70.346201][ T5193] lr : btrfs_add_link+0x728/0xac8 [ 70.347020][ T5193] sp : ffff8000218675e0 [ 70.347644][ T5193] x29: ffff8000218676e0 x28: ffff0000deb95bb0 x27: 0000000000000108 [ 70.349057][ T5193] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 70.350499][ T5193] x23: 0000000000000014 x22: 1fffe0001bd72b81 x21: ffff70000430cec4 [ 70.351813][ T5193] x20: 00000000fffffff4 x19: ffff0000deb95c08 x18: 0000000000000000 [ 70.353174][ T5193] x17: 0000000000000000 x16: ffff8000082c67fc x15: 0000000000000000 [ 70.354532][ T5193] x14: 0000000000000001 x13: 1ffff0000430cddc x12: 0000000000000000 [ 70.355880][ T5193] x11: ff80800008300a38 x10: 0000000000000000 x9 : 1a52e628ad08c500 [ 70.357304][ T5193] x8 : 1a52e628ad08c500 x7 : 0000000000000001 x6 : 0000000000000001 [ 70.358685][ T5193] x5 : ffff800021866ef8 x4 : ffff80001447f520 x3 : ffff800008308360 [ 70.360120][ T5193] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 70.361466][ T5193] Call trace: [ 70.362018][ T5193] btrfs_add_link+0x728/0xac8 [ 70.362822][ T5193] btrfs_create+0x3b8/0x50c [ 70.363564][ T5193] path_openat+0xdb8/0x2808 [ 70.364371][ T5193] do_filp_open+0x188/0x370 [ 70.365134][ T5193] do_sys_openat2+0x134/0x3fc [ 70.365939][ T5193] __arm64_sys_openat+0x11c/0x150 [ 70.366814][ T5193] invoke_syscall+0x98/0x28c [ 70.367631][ T5193] el0_svc_common+0x13c/0x258 [ 70.368493][ T5193] do_el0_svc+0x5c/0x140 [ 70.369287][ T5193] el0_svc+0x78/0x1d0 [ 70.370035][ T5193] el0t_64_sync_handler+0xcc/0xe4 [ 70.370936][ T5193] el0t_64_sync+0x1a0/0x1a4 [ 70.371752][ T5193] irq event stamp: 81016 [ 70.372476][ T5193] hardirqs last enabled at (81015): [] __up_console_sem+0xb4/0xfc [ 70.374125][ T5193] hardirqs last disabled at (81016): [] el1_dbg+0x24/0x80 [ 70.375632][ T5193] softirqs last enabled at (80996): [] handle_softirqs+0xa70/0xc14 [ 70.377307][ T5193] softirqs last disabled at (80831): [] __irq_exit_rcu+0x240/0x434 [ 70.378922][ T5193] ---[ end trace baaf035a50c56be8 ]--- [ 70.380278][ T5193] BTRFS: error (device loop0) in btrfs_add_link:6780: errno=-12 Out of memory [ 70.381762][ T5193] BTRFS info (device loop0): forced readonly [ 70.556347][ T5215] loop0: detected capacity change from 0 to 32768 [ 70.674607][ T5215] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.34 (5215) [ 70.680405][ T5215] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 70.681817][ T5215] BTRFS info (device loop0): setting nodatacow, compression disabled [ 70.683072][ T5215] BTRFS info (device loop0): setting datacow [ 70.684042][ T5215] BTRFS info (device loop0): doing ref verification [ 70.686251][ T5215] BTRFS info (device loop0): force clearing of disk cache [ 70.688132][ T5215] BTRFS info (device loop0): turning off barriers [ 70.689934][ T5215] BTRFS info (device loop0): use zlib compression, level 3 [ 70.691396][ T5215] BTRFS info (device loop0): using free space tree [ 70.693129][ T5215] BTRFS info (device loop0): has skinny extents [ 70.804816][ T5215] BTRFS info (device loop0): clearing free space tree [ 70.806031][ T5215] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 70.807533][ T5215] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 70.810940][ T5215] BTRFS info (device loop0): creating free space tree [ 70.812438][ T5215] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 70.814078][ T5215] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 70.818790][ T5215] FAULT_INJECTION: forcing a failure. [ 70.818790][ T5215] name failslab, interval 1, probability 0, space 0, times 0 [ 70.820940][ T5215] CPU: 0 PID: 5215 Comm: syz.0.34 Tainted: G W syzkaller #0 [ 70.822535][ T5215] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 70.824255][ T5215] Call trace: [ 70.824794][ T5215] dump_backtrace+0x0/0x458 [ 70.825564][ T5215] show_stack+0x2c/0x3c [ 70.826261][ T5215] __dump_stack+0x30/0x40 [ 70.826995][ T5215] dump_stack_lvl+0xf4/0x15c [ 70.827735][ T5215] dump_stack+0x1c/0x5c [ 70.828434][ T5215] should_fail+0x3c8/0x520 [ 70.829175][ T5215] __should_failslab+0xbc/0x10c [ 70.830055][ T5215] should_failslab+0x10/0x28 [ 70.830791][ T5215] slab_pre_alloc_hook+0x64/0xe8 [ 70.831575][ T5215] kmem_cache_alloc+0x94/0x3d8 [ 70.832294][ T5215] btrfs_alloc_path+0x5c/0x68 [ 70.833030][ T5215] btrfs_insert_dir_item+0x184/0x3e8 [ 70.833897][ T5215] btrfs_add_link+0x2a8/0xac8 [ 70.834607][ T5215] btrfs_create+0x3b8/0x50c [ 70.835289][ T5215] path_openat+0xdb8/0x2808 [ 70.835959][ T5215] do_filp_open+0x188/0x370 [ 70.836644][ T5215] do_sys_openat2+0x134/0x3fc [ 70.837372][ T5215] __arm64_sys_openat+0x11c/0x150 [ 70.838155][ T5215] invoke_syscall+0x98/0x28c [ 70.838848][ T5215] el0_svc_common+0x13c/0x258 [ 70.839588][ T5215] do_el0_svc+0x5c/0x140 [ 70.840313][ T5215] el0_svc+0x78/0x1d0 [ 70.840954][ T5215] el0t_64_sync_handler+0xcc/0xe4 [ 70.841777][ T5215] el0t_64_sync+0x1a0/0x1a4 [ 70.856929][ T5215] ------------[ cut here ]------------ [ 70.868077][ T5215] WARNING: CPU: 0 PID: 5215 at fs/btrfs/inode.c:6780 btrfs_add_link+0x728/0xac8 [ 70.869634][ T5215] Modules linked in: [ 70.870287][ T5215] CPU: 0 PID: 5215 Comm: syz.0.34 Tainted: G W syzkaller #0 [ 70.871916][ T5215] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 70.873874][ T5215] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 70.875250][ T5215] pc : btrfs_add_link+0x728/0xac8 [ 70.876120][ T5215] lr : btrfs_add_link+0x728/0xac8 [ 70.877021][ T5215] sp : ffff8000214e75e0 [ 70.877766][ T5215] x29: ffff8000214e76e0 x28: ffff0000deb8ed10 x27: 0000000000000108 [ 70.879222][ T5215] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 70.880603][ T5215] x23: 0000000000000014 x22: 1fffe0001bd71dad x21: ffff70000429cec4 [ 70.881979][ T5215] x20: 00000000fffffff4 x19: ffff0000deb8ed68 x18: 0000000000000000 [ 70.883326][ T5215] x17: 0000000000000000 x16: ffff80001135f958 x15: 0000000000000000 [ 70.884640][ T5215] x14: 0000000000000001 x13: 1fffe000341cc7ab x12: 0000000000000000 [ 70.885945][ T5215] x11: ff80800008300a38 x10: 0000000000000000 x9 : 26ac97f83abc7f00 [ 70.887220][ T5215] x8 : 26ac97f83abc7f00 x7 : 0000000000000001 x6 : 0000000000000001 [ 70.888510][ T5215] x5 : ffff8000214e6ef8 x4 : ffff80001447f520 x3 : ffff80000850fcd0 [ 70.889816][ T5215] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 70.891148][ T5215] Call trace: [ 70.891654][ T5215] btrfs_add_link+0x728/0xac8 [ 70.892383][ T5215] btrfs_create+0x3b8/0x50c [ 70.893104][ T5215] path_openat+0xdb8/0x2808 [ 70.893835][ T5215] do_filp_open+0x188/0x370 [ 70.894579][ T5215] do_sys_openat2+0x134/0x3fc [ 70.895366][ T5215] __arm64_sys_openat+0x11c/0x150 [ 70.896168][ T5215] invoke_syscall+0x98/0x28c [ 70.896885][ T5215] el0_svc_common+0x13c/0x258 [ 70.897625][ T5215] do_el0_svc+0x5c/0x140 [ 70.898312][ T5215] el0_svc+0x78/0x1d0 [ 70.898943][ T5215] el0t_64_sync_handler+0xcc/0xe4 [ 70.899772][ T5215] el0t_64_sync+0x1a0/0x1a4 [ 70.900646][ T5215] irq event stamp: 80618 [ 70.901288][ T5215] hardirqs last enabled at (80617): [] __up_console_sem+0xb4/0xfc [ 70.902892][ T5215] hardirqs last disabled at (80618): [] el1_dbg+0x24/0x80 [ 70.904288][ T5215] softirqs last enabled at (80606): [] handle_softirqs+0xa70/0xc14 [ 70.905801][ T5215] softirqs last disabled at (80569): [] __irq_exit_rcu+0x240/0x434 [ 70.907371][ T5215] ---[ end trace baaf035a50c56be9 ]--- [ 70.935434][ T5215] BTRFS: error (device loop0) in btrfs_add_link:6780: errno=-12 Out of memory [ 70.936962][ T5215] BTRFS info (device loop0): forced readonly [ 71.132185][ T5239] loop0: detected capacity change from 0 to 32768 [ 71.222629][ T5239] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.35 (5239) [ 71.225808][ T5239] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 71.227443][ T5239] BTRFS info (device loop0): setting nodatacow, compression disabled [ 71.229732][ T5239] BTRFS info (device loop0): setting datacow [ 71.230959][ T5239] BTRFS info (device loop0): doing ref verification [ 71.232078][ T5239] BTRFS info (device loop0): force clearing of disk cache [ 71.233228][ T5239] BTRFS info (device loop0): turning off barriers [ 71.234260][ T5239] BTRFS info (device loop0): use zlib compression, level 3 [ 71.235408][ T5239] BTRFS info (device loop0): using free space tree [ 71.236455][ T5239] BTRFS info (device loop0): has skinny extents [ 71.245586][ T5239] BTRFS info (device loop0): clearing free space tree [ 71.246817][ T5239] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 71.250320][ T5239] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 71.253697][ T5239] BTRFS info (device loop0): creating free space tree [ 71.255162][ T5239] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 71.256638][ T5239] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 71.261804][ T5239] FAULT_INJECTION: forcing a failure. [ 71.261804][ T5239] name failslab, interval 1, probability 0, space 0, times 0 [ 71.263770][ T5239] CPU: 0 PID: 5239 Comm: syz.0.35 Tainted: G W syzkaller #0 [ 71.265182][ T5239] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 71.266677][ T5239] Call trace: [ 71.267177][ T5239] dump_backtrace+0x0/0x458 [ 71.267872][ T5239] show_stack+0x2c/0x3c [ 71.268598][ T5239] __dump_stack+0x30/0x40 [ 71.269328][ T5239] dump_stack_lvl+0xf4/0x15c [ 71.270080][ T5239] dump_stack+0x1c/0x5c [ 71.270760][ T5239] should_fail+0x3c8/0x520 [ 71.271496][ T5239] __should_failslab+0xbc/0x10c [ 71.272296][ T5239] should_failslab+0x10/0x28 [ 71.273013][ T5239] slab_pre_alloc_hook+0x64/0xe8 [ 71.273853][ T5239] kmem_cache_alloc+0x94/0x3d8 [ 71.274606][ T5239] btrfs_alloc_path+0x5c/0x68 [ 71.275352][ T5239] btrfs_insert_dir_item+0x184/0x3e8 [ 71.276213][ T5239] btrfs_add_link+0x2a8/0xac8 [ 71.276943][ T5239] btrfs_create+0x3b8/0x50c [ 71.277667][ T5239] path_openat+0xdb8/0x2808 [ 71.278378][ T5239] do_filp_open+0x188/0x370 [ 71.279088][ T5239] do_sys_openat2+0x134/0x3fc [ 71.279807][ T5239] __arm64_sys_openat+0x11c/0x150 [ 71.280592][ T5239] invoke_syscall+0x98/0x28c [ 71.281321][ T5239] el0_svc_common+0x13c/0x258 [ 71.282071][ T5239] do_el0_svc+0x5c/0x140 [ 71.282738][ T5239] el0_svc+0x78/0x1d0 [ 71.283384][ T5239] el0t_64_sync_handler+0xcc/0xe4 [ 71.284185][ T5239] el0t_64_sync+0x1a0/0x1a4 [ 71.285664][ T5239] ------------[ cut here ]------------ [ 71.286644][ T5239] WARNING: CPU: 0 PID: 5239 at fs/btrfs/inode.c:6780 btrfs_add_link+0x728/0xac8 [ 71.287941][ T5239] Modules linked in: [ 71.288593][ T5239] CPU: 0 PID: 5239 Comm: syz.0.35 Tainted: G W syzkaller #0 [ 71.290087][ T5239] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 71.291841][ T5239] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 71.293119][ T5239] pc : btrfs_add_link+0x728/0xac8 [ 71.293951][ T5239] lr : btrfs_add_link+0x728/0xac8 [ 71.294737][ T5239] sp : ffff80001f8c75e0 [ 71.295404][ T5239] x29: ffff80001f8c76e0 x28: ffff0000deb8e840 x27: 0000000000000108 [ 71.296708][ T5239] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 71.298030][ T5239] x23: 0000000000000014 x22: 1fffe0001bd71d13 x21: ffff700003f18ec4 [ 71.299301][ T5239] x20: 00000000fffffff4 x19: ffff0000deb8e898 x18: 0000000000000000 [ 71.300625][ T5239] x17: 0000000000000000 x16: ffff80001135f958 x15: 0000000000000000 [ 71.301897][ T5239] x14: 0000000000000001 x13: 1fffe000341cc7ab x12: 0000000000000000 [ 71.303171][ T5239] x11: ff80800008300a38 x10: 0000000000000000 x9 : 72985b9b15733f00 [ 71.304422][ T5239] x8 : 72985b9b15733f00 x7 : 0000000000000001 x6 : 0000000000000001 [ 71.305733][ T5239] x5 : ffff80001f8c6ef8 x4 : ffff80001447f520 x3 : ffff80000850fcd0 [ 71.307034][ T5239] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 71.308337][ T5239] Call trace: [ 71.308886][ T5239] btrfs_add_link+0x728/0xac8 [ 71.309668][ T5239] btrfs_create+0x3b8/0x50c [ 71.310368][ T5239] path_openat+0xdb8/0x2808 [ 71.311099][ T5239] do_filp_open+0x188/0x370 [ 71.311837][ T5239] do_sys_openat2+0x134/0x3fc [ 71.312594][ T5239] __arm64_sys_openat+0x11c/0x150 [ 71.313428][ T5239] invoke_syscall+0x98/0x28c [ 71.314169][ T5239] el0_svc_common+0x13c/0x258 [ 71.314889][ T5239] do_el0_svc+0x5c/0x140 [ 71.315603][ T5239] el0_svc+0x78/0x1d0 [ 71.316275][ T5239] el0t_64_sync_handler+0xcc/0xe4 [ 71.317135][ T5239] el0t_64_sync+0x1a0/0x1a4 [ 71.317981][ T5239] irq event stamp: 80232 [ 71.318748][ T5239] hardirqs last enabled at (80231): [] __up_console_sem+0xb4/0xfc [ 71.320440][ T5239] hardirqs last disabled at (80232): [] el1_dbg+0x24/0x80 [ 71.321849][ T5239] softirqs last enabled at (80212): [] handle_softirqs+0xa70/0xc14 [ 71.323417][ T5239] softirqs last disabled at (80195): [] __irq_exit_rcu+0x240/0x434 [ 71.324992][ T5239] ---[ end trace baaf035a50c56bea ]--- [ 71.327176][ T5239] BTRFS: error (device loop0) in btrfs_add_link:6780: errno=-12 Out of memory [ 71.328887][ T5239] BTRFS info (device loop0): forced readonly [ 71.520562][ T5261] loop0: detected capacity change from 0 to 32768 [ 71.559412][ T5261] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.36 (5261) [ 71.562860][ T5261] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 71.564324][ T5261] BTRFS info (device loop0): setting nodatacow, compression disabled [ 71.566115][ T5261] BTRFS info (device loop0): setting datacow [ 71.567114][ T5261] BTRFS info (device loop0): doing ref verification [ 71.568689][ T5261] BTRFS info (device loop0): force clearing of disk cache [ 71.569847][ T5261] BTRFS info (device loop0): turning off barriers [ 71.570946][ T5261] BTRFS info (device loop0): use zlib compression, level 3 [ 71.572197][ T5261] BTRFS info (device loop0): using free space tree [ 71.573431][ T5261] BTRFS info (device loop0): has skinny extents [ 71.582934][ T5261] BTRFS info (device loop0): clearing free space tree [ 71.584123][ T5261] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 71.585617][ T5261] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 71.589767][ T5261] BTRFS info (device loop0): creating free space tree [ 71.591209][ T5261] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 71.592736][ T5261] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 71.597035][ T5261] FAULT_INJECTION: forcing a failure. [ 71.597035][ T5261] name failslab, interval 1, probability 0, space 0, times 0 [ 71.599876][ T5261] CPU: 1 PID: 5261 Comm: syz.0.36 Tainted: G W syzkaller #0 [ 71.601282][ T5261] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 71.602832][ T5261] Call trace: [ 71.603376][ T5261] dump_backtrace+0x0/0x458 [ 71.604203][ T5261] show_stack+0x2c/0x3c [ 71.604950][ T5261] __dump_stack+0x30/0x40 [ 71.605698][ T5261] dump_stack_lvl+0xf4/0x15c [ 71.606560][ T5261] dump_stack+0x1c/0x5c [ 71.607281][ T5261] should_fail+0x3c8/0x520 [ 71.607971][ T5261] __should_failslab+0xbc/0x10c [ 71.608862][ T5261] should_failslab+0x10/0x28 [ 71.609718][ T5261] slab_pre_alloc_hook+0x64/0xe8 [ 71.610555][ T5261] kmem_cache_alloc+0x94/0x3d8 [ 71.611360][ T5261] btrfs_get_or_create_delayed_node+0x114/0x4b0 [ 71.612392][ T5261] btrfs_delayed_update_inode+0x3c/0x16e4 [ 71.613333][ T5261] btrfs_update_inode+0x20c/0x3c8 [ 71.614146][ T5261] btrfs_create+0x354/0x50c [ 71.615083][ T5261] path_openat+0xdb8/0x2808 [ 71.615994][ T5261] do_filp_open+0x188/0x370 [ 71.616798][ T5261] do_sys_openat2+0x134/0x3fc [ 71.617589][ T5261] __arm64_sys_openat+0x11c/0x150 [ 71.618504][ T5261] invoke_syscall+0x98/0x28c [ 71.619296][ T5261] el0_svc_common+0x13c/0x258 [ 71.620088][ T5261] do_el0_svc+0x5c/0x140 [ 71.620788][ T5261] el0_svc+0x78/0x1d0 [ 71.621449][ T5261] el0t_64_sync_handler+0xcc/0xe4 [ 71.622317][ T5261] el0t_64_sync+0x1a0/0x1a4 [ 71.761071][ T5283] loop0: detected capacity change from 0 to 32768 [ 71.837793][ T5283] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.37 (5283) [ 71.842280][ T5283] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 71.843729][ T5283] BTRFS info (device loop0): setting nodatacow, compression disabled [ 71.845151][ T5283] BTRFS info (device loop0): setting datacow [ 71.846143][ T5283] BTRFS info (device loop0): doing ref verification [ 71.847217][ T5283] BTRFS info (device loop0): force clearing of disk cache [ 71.849223][ T5283] BTRFS info (device loop0): turning off barriers [ 71.850291][ T5283] BTRFS info (device loop0): use zlib compression, level 3 [ 71.851429][ T5283] BTRFS info (device loop0): using free space tree [ 71.852611][ T5283] BTRFS info (device loop0): has skinny extents [ 71.861397][ T5283] BTRFS info (device loop0): clearing free space tree [ 71.862570][ T5283] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 71.864165][ T5283] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 71.867314][ T5283] BTRFS info (device loop0): creating free space tree [ 71.869331][ T5283] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 71.871101][ T5283] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 71.875478][ T5283] FAULT_INJECTION: forcing a failure. [ 71.875478][ T5283] name failslab, interval 1, probability 0, space 0, times 0 [ 71.877542][ T5283] CPU: 1 PID: 5283 Comm: syz.0.37 Tainted: G W syzkaller #0 [ 71.879059][ T5283] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 71.880794][ T5283] Call trace: [ 71.881365][ T5283] dump_backtrace+0x0/0x458 [ 71.882188][ T5283] show_stack+0x2c/0x3c [ 71.882922][ T5283] __dump_stack+0x30/0x40 [ 71.883697][ T5283] dump_stack_lvl+0xf4/0x15c [ 71.884513][ T5283] dump_stack+0x1c/0x5c [ 71.885261][ T5283] should_fail+0x3c8/0x520 [ 71.886084][ T5283] __should_failslab+0xbc/0x10c [ 71.886958][ T5283] should_failslab+0x10/0x28 [ 71.887730][ T5283] slab_pre_alloc_hook+0x64/0xe8 [ 71.888551][ T5283] kmem_cache_alloc+0x94/0x3d8 [ 71.889356][ T5283] btrfs_get_or_create_delayed_node+0x114/0x4b0 [ 71.890461][ T5283] btrfs_delayed_update_inode+0x3c/0x16e4 [ 71.891431][ T5283] btrfs_update_inode+0x20c/0x3c8 [ 71.892228][ T5283] btrfs_create+0x354/0x50c [ 71.892964][ T5283] path_openat+0xdb8/0x2808 [ 71.893708][ T5283] do_filp_open+0x188/0x370 [ 71.894458][ T5283] do_sys_openat2+0x134/0x3fc [ 71.895239][ T5283] __arm64_sys_openat+0x11c/0x150 [ 71.896047][ T5283] invoke_syscall+0x98/0x28c [ 71.896833][ T5283] el0_svc_common+0x13c/0x258 [ 71.897629][ T5283] do_el0_svc+0x5c/0x140 [ 71.898314][ T5283] el0_svc+0x78/0x1d0 [ 71.898971][ T5283] el0t_64_sync_handler+0xcc/0xe4 [ 71.899762][ T5283] el0t_64_sync+0x1a0/0x1a4 [ 72.040089][ T5305] loop0: detected capacity change from 0 to 32768 [ 72.089657][ T5305] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.38 (5305) [ 72.131094][ T5305] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 72.132605][ T5305] BTRFS info (device loop0): setting nodatacow, compression disabled [ 72.133822][ T5305] BTRFS info (device loop0): setting datacow [ 72.134870][ T5305] BTRFS info (device loop0): doing ref verification [ 72.136069][ T5305] BTRFS info (device loop0): force clearing of disk cache [ 72.137243][ T5305] BTRFS info (device loop0): turning off barriers [ 72.139416][ T5305] BTRFS info (device loop0): use zlib compression, level 3 [ 72.140621][ T5305] BTRFS info (device loop0): using free space tree [ 72.141872][ T5305] BTRFS info (device loop0): has skinny extents [ 72.150473][ T5305] BTRFS info (device loop0): clearing free space tree [ 72.151665][ T5305] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 72.153257][ T5305] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 72.156468][ T5305] BTRFS info (device loop0): creating free space tree [ 72.158324][ T5305] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 72.159851][ T5305] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 72.164059][ T5305] FAULT_INJECTION: forcing a failure. [ 72.164059][ T5305] name failslab, interval 1, probability 0, space 0, times 0 [ 72.166038][ T5305] CPU: 0 PID: 5305 Comm: syz.0.38 Tainted: G W syzkaller #0 [ 72.167342][ T5305] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 72.168970][ T5305] Call trace: [ 72.169524][ T5305] dump_backtrace+0x0/0x458 [ 72.170268][ T5305] show_stack+0x2c/0x3c [ 72.170950][ T5305] __dump_stack+0x30/0x40 [ 72.171660][ T5305] dump_stack_lvl+0xf4/0x15c [ 72.172426][ T5305] dump_stack+0x1c/0x5c [ 72.173094][ T5305] should_fail+0x3c8/0x520 [ 72.173842][ T5305] __should_failslab+0xbc/0x10c [ 72.174661][ T5305] should_failslab+0x10/0x28 [ 72.175440][ T5305] slab_pre_alloc_hook+0x64/0xe8 [ 72.176323][ T5305] kmem_cache_alloc+0x94/0x3d8 [ 72.177097][ T5305] btrfs_alloc_inode+0x54/0x3c4 [ 72.177885][ T5305] new_inode_pseudo+0x68/0x200 [ 72.178669][ T5305] new_inode+0x38/0x174 [ 72.179354][ T5305] btrfs_new_inode+0x158/0x156c [ 72.180157][ T5305] btrfs_create+0x23c/0x50c [ 72.180945][ T5305] path_openat+0xdb8/0x2808 [ 72.181685][ T5305] do_filp_open+0x188/0x370 [ 72.182479][ T5305] do_sys_openat2+0x134/0x3fc [ 72.183242][ T5305] __arm64_sys_openat+0x11c/0x150 [ 72.184049][ T5305] invoke_syscall+0x98/0x28c [ 72.184810][ T5305] el0_svc_common+0x13c/0x258 [ 72.185535][ T5305] do_el0_svc+0x5c/0x140 [ 72.186222][ T5305] el0_svc+0x78/0x1d0 [ 72.186901][ T5305] el0t_64_sync_handler+0xcc/0xe4 [ 72.187708][ T5305] el0t_64_sync+0x1a0/0x1a4 [ 72.324539][ T5327] loop0: detected capacity change from 0 to 32768 [ 72.328365][ T5327] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.39 (5327) [ 72.331385][ T5327] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 72.332749][ T5327] BTRFS info (device loop0): setting nodatacow, compression disabled [ 72.334106][ T5327] BTRFS info (device loop0): setting datacow [ 72.335282][ T5327] BTRFS info (device loop0): doing ref verification [ 72.336513][ T5327] BTRFS info (device loop0): force clearing of disk cache [ 72.338113][ T5327] BTRFS info (device loop0): turning off barriers [ 72.339168][ T5327] BTRFS info (device loop0): use zlib compression, level 3 [ 72.352078][ T5327] FAULT_INJECTION: forcing a failure. [ 72.352078][ T5327] name failslab, interval 1, probability 0, space 0, times 0 [ 72.354225][ T5327] CPU: 1 PID: 5327 Comm: syz.0.39 Tainted: G W syzkaller #0 [ 72.355594][ T5327] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 72.357108][ T5327] Call trace: [ 72.357653][ T5327] dump_backtrace+0x0/0x458 [ 72.358457][ T5327] show_stack+0x2c/0x3c [ 72.359180][ T5327] __dump_stack+0x30/0x40 [ 72.359895][ T5327] dump_stack_lvl+0xf4/0x15c [ 72.360669][ T5327] dump_stack+0x1c/0x5c [ 72.361366][ T5327] should_fail+0x3c8/0x520 [ 72.362129][ T5327] __should_failslab+0xbc/0x10c [ 72.362966][ T5327] should_failslab+0x10/0x28 [ 72.363744][ T5327] slab_pre_alloc_hook+0x64/0xe8 [ 72.364587][ T5327] kmem_cache_alloc+0x94/0x3d8 [ 72.365358][ T5327] btrfs_alloc_path+0x5c/0x68 [ 72.366137][ T5327] btrfs_insert_dir_item+0x184/0x3e8 [ 72.367063][ T5327] btrfs_add_link+0x2a8/0xac8 [ 72.367815][ T5327] btrfs_create+0x3b8/0x50c [ 72.368573][ T5327] path_openat+0xdb8/0x2808 [ 72.369285][ T5327] do_filp_open+0x188/0x370 [ 72.370022][ T5327] do_sys_openat2+0x134/0x3fc [ 72.370806][ T5327] __arm64_sys_openat+0x11c/0x150 [ 72.371671][ T5327] invoke_syscall+0x98/0x28c [ 72.372472][ T5327] el0_svc_common+0x13c/0x258 [ 72.373241][ T5327] do_el0_svc+0x5c/0x140 [ 72.373947][ T5327] el0_svc+0x78/0x1d0 [ 72.374646][ T5327] el0t_64_sync_handler+0xcc/0xe4 [ 72.375549][ T5327] el0t_64_sync+0x1a0/0x1a4 [ 72.377731][ T5327] ------------[ cut here ]------------ [ 72.378640][ T5327] WARNING: CPU: 1 PID: 5327 at fs/btrfs/inode.c:6780 btrfs_add_link+0x728/0xac8 [ 72.379970][ T5327] Modules linked in: [ 72.380553][ T5327] CPU: 1 PID: 5327 Comm: syz.0.39 Tainted: G W syzkaller #0 [ 72.381818][ T5327] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 72.383369][ T5327] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 72.384569][ T5327] pc : btrfs_add_link+0x728/0xac8 [ 72.385320][ T5327] lr : btrfs_add_link+0x728/0xac8 [ 72.386053][ T5327] sp : ffff8000219875e0 [ 72.386674][ T5327] x29: ffff8000219876e0 x28: ffff0000deb8b580 x27: 0000000000000108 [ 72.387999][ T5327] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 72.389409][ T5327] x23: 0000000000000014 x22: 1fffe0001bd716bb x21: ffff700004330ec4 [ 72.390804][ T5327] x20: 00000000fffffff4 x19: ffff0000deb8b5d8 x18: 0000000000000000 [ 72.392165][ T5327] x17: 0000000000000000 x16: ffff80001135f958 x15: 0000000000000000 [ 72.393471][ T5327] x14: 0000000000000001 x13: 1fffe000341d09ab x12: 0000000000000000 [ 72.394783][ T5327] x11: ff80800008300a38 x10: 0000000000000000 x9 : fcefef7a635b7400 [ 72.396145][ T5327] x8 : fcefef7a635b7400 x7 : 0000000000000001 x6 : 0000000000000001 [ 72.397544][ T5327] x5 : ffff800021986ef8 x4 : ffff80001447f520 x3 : ffff80000850fcd0 [ 72.398929][ T5327] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 72.400323][ T5327] Call trace: [ 72.400892][ T5327] btrfs_add_link+0x728/0xac8 [ 72.401717][ T5327] btrfs_create+0x3b8/0x50c [ 72.402481][ T5327] path_openat+0xdb8/0x2808 [ 72.403305][ T5327] do_filp_open+0x188/0x370 [ 72.404078][ T5327] do_sys_openat2+0x134/0x3fc [ 72.404902][ T5327] __arm64_sys_openat+0x11c/0x150 [ 72.405723][ T5327] invoke_syscall+0x98/0x28c [ 72.406506][ T5327] el0_svc_common+0x13c/0x258 [ 72.407278][ T5327] do_el0_svc+0x5c/0x140 [ 72.407956][ T5327] el0_svc+0x78/0x1d0 [ 72.408645][ T5327] el0t_64_sync_handler+0xcc/0xe4 [ 72.409479][ T5327] el0t_64_sync+0x1a0/0x1a4 [ 72.410218][ T5327] irq event stamp: 79914 [ 72.410922][ T5327] hardirqs last enabled at (79913): [] __up_console_sem+0xb4/0xfc [ 72.412533][ T5327] hardirqs last disabled at (79914): [] el1_dbg+0x24/0x80 [ 72.414035][ T5327] softirqs last enabled at (79894): [] handle_softirqs+0xa70/0xc14 [ 72.415603][ T5327] softirqs last disabled at (79833): [] __irq_exit_rcu+0x240/0x434 [ 72.417188][ T5327] ---[ end trace baaf035a50c56beb ]--- [ 72.418871][ T5327] BTRFS: error (device loop0) in btrfs_add_link:6780: errno=-12 Out of memory [ 72.551336][ T5350] loop0: detected capacity change from 0 to 32768 [ 72.599115][ T5350] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.40 (5350) [ 72.653840][ T5350] FAULT_INJECTION: forcing a failure. [ 72.653840][ T5350] name failslab, interval 1, probability 0, space 0, times 0 [ 72.655944][ T5350] CPU: 0 PID: 5350 Comm: syz.0.40 Tainted: G W syzkaller #0 [ 72.657308][ T5350] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 72.658963][ T5350] Call trace: [ 72.659475][ T5350] dump_backtrace+0x0/0x458 [ 72.660254][ T5350] show_stack+0x2c/0x3c [ 72.660931][ T5350] __dump_stack+0x30/0x40 [ 72.661671][ T5350] dump_stack_lvl+0xf4/0x15c [ 72.662421][ T5350] dump_stack+0x1c/0x5c [ 72.663102][ T5350] should_fail+0x3c8/0x520 [ 72.663790][ T5350] __should_failslab+0xbc/0x10c [ 72.664730][ T5350] should_failslab+0x10/0x28 [ 72.665644][ T5350] slab_pre_alloc_hook+0x64/0xe8 [ 72.666620][ T5350] kmem_cache_alloc+0x94/0x3d8 [ 72.667489][ T5350] btrfs_alloc_path+0x5c/0x68 [ 72.668286][ T5350] btrfs_insert_dir_item+0x184/0x3e8 [ 72.669178][ T5350] btrfs_add_link+0x2a8/0xac8 [ 72.669956][ T5350] btrfs_create+0x3b8/0x50c [ 72.670692][ T5350] path_openat+0xdb8/0x2808 [ 72.671439][ T5350] do_filp_open+0x188/0x370 [ 72.672151][ T5350] do_sys_openat2+0x134/0x3fc [ 72.672954][ T5350] __arm64_sys_openat+0x11c/0x150 [ 72.673795][ T5350] invoke_syscall+0x98/0x28c [ 72.674556][ T5350] el0_svc_common+0x13c/0x258 [ 72.675317][ T5350] do_el0_svc+0x5c/0x140 [ 72.676010][ T5350] el0_svc+0x78/0x1d0 [ 72.676638][ T5350] el0t_64_sync_handler+0xcc/0xe4 [ 72.677461][ T5350] el0t_64_sync+0x1a0/0x1a4 [ 72.678575][ T5350] ------------[ cut here ]------------ [ 72.679616][ T5350] WARNING: CPU: 0 PID: 5350 at fs/btrfs/inode.c:6780 btrfs_add_link+0x728/0xac8 [ 72.681141][ T5350] Modules linked in: [ 72.681789][ T5350] CPU: 0 PID: 5350 Comm: syz.0.40 Tainted: G W syzkaller #0 [ 72.683151][ T5350] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 72.684732][ T5350] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 72.685977][ T5350] pc : btrfs_add_link+0x728/0xac8 [ 72.686713][ T5350] lr : btrfs_add_link+0x728/0xac8 [ 72.687432][ T5350] sp : ffff8000220475e0 [ 72.688096][ T5350] x29: ffff8000220476e0 x28: ffff0000deb8e4d0 x27: 0000000000000108 [ 72.689399][ T5350] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 72.690730][ T5350] x23: 0000000000000014 x22: 1fffe0001bd71ca5 x21: ffff700004408ec4 [ 72.692056][ T5350] x20: 00000000fffffff4 x19: ffff0000deb8e528 x18: 0000000000000000 [ 72.693433][ T5350] x17: 0000000000000000 x16: ffff8000082c67fc x15: 0000000000000000 [ 72.694768][ T5350] x14: 0000000000000001 x13: 1ffff00004408ddc x12: 0000000000000000 [ 72.696077][ T5350] x11: ff80800008300a38 x10: 0000000000000000 x9 : ae15b7b2568c8100 [ 72.697535][ T5350] x8 : ae15b7b2568c8100 x7 : 0000000000000001 x6 : 0000000000000001 [ 72.698902][ T5350] x5 : ffff800022046ef8 x4 : ffff80001447f520 x3 : ffff800008308360 [ 72.700261][ T5350] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 72.701692][ T5350] Call trace: [ 72.702234][ T5350] btrfs_add_link+0x728/0xac8 [ 72.702928][ T5350] btrfs_create+0x3b8/0x50c [ 72.703694][ T5350] path_openat+0xdb8/0x2808 [ 72.704420][ T5350] do_filp_open+0x188/0x370 [ 72.705156][ T5350] do_sys_openat2+0x134/0x3fc [ 72.705966][ T5350] __arm64_sys_openat+0x11c/0x150 [ 72.706781][ T5350] invoke_syscall+0x98/0x28c [ 72.707520][ T5350] el0_svc_common+0x13c/0x258 [ 72.708303][ T5350] do_el0_svc+0x5c/0x140 [ 72.709028][ T5350] el0_svc+0x78/0x1d0 [ 72.709662][ T5350] el0t_64_sync_handler+0xcc/0xe4 [ 72.710475][ T5350] el0t_64_sync+0x1a0/0x1a4 [ 72.711179][ T5350] irq event stamp: 80176 [ 72.711869][ T5350] hardirqs last enabled at (80175): [] __up_console_sem+0xb4/0xfc [ 72.713512][ T5350] hardirqs last disabled at (80176): [] el1_dbg+0x24/0x80 [ 72.714987][ T5350] softirqs last enabled at (80156): [] handle_softirqs+0xa70/0xc14 [ 72.716586][ T5350] softirqs last disabled at (80137): [] __irq_exit_rcu+0x240/0x434 [ 72.718189][ T5350] ---[ end trace baaf035a50c56bec ]--- [ 72.719268][ T5350] BTRFS: error (device loop0) in btrfs_add_link:6780: errno=-12 Out of memory [ 72.909555][ T5373] loop0: detected capacity change from 0 to 32768 [ 72.916029][ T5373] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.41 (5373) [ 72.933711][ T5373] FAULT_INJECTION: forcing a failure. [ 72.933711][ T5373] name failslab, interval 1, probability 0, space 0, times 0 [ 72.935898][ T5373] CPU: 1 PID: 5373 Comm: syz.0.41 Tainted: G W syzkaller #0 [ 72.937374][ T5373] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 72.939240][ T5373] Call trace: [ 72.939772][ T5373] dump_backtrace+0x0/0x458 [ 72.940538][ T5373] show_stack+0x2c/0x3c [ 72.941293][ T5373] __dump_stack+0x30/0x40 [ 72.942134][ T5373] dump_stack_lvl+0xf4/0x15c [ 72.943012][ T5373] dump_stack+0x1c/0x5c [ 72.943797][ T5373] should_fail+0x3c8/0x520 [ 72.944637][ T5373] __should_failslab+0xbc/0x10c [ 72.945477][ T5373] should_failslab+0x10/0x28 [ 72.946283][ T5373] slab_pre_alloc_hook+0x64/0xe8 [ 72.947164][ T5373] kmem_cache_alloc+0x94/0x3d8 [ 72.947980][ T5373] btrfs_get_or_create_delayed_node+0x114/0x4b0 [ 72.949072][ T5373] btrfs_delayed_update_inode+0x3c/0x16e4 [ 72.950092][ T5373] btrfs_update_inode+0x20c/0x3c8 [ 72.950962][ T5373] btrfs_create+0x354/0x50c [ 72.951735][ T5373] path_openat+0xdb8/0x2808 [ 72.952527][ T5373] do_filp_open+0x188/0x370 [ 72.953274][ T5373] do_sys_openat2+0x134/0x3fc [ 72.954057][ T5373] __arm64_sys_openat+0x11c/0x150 [ 72.954924][ T5373] invoke_syscall+0x98/0x28c [ 72.955717][ T5373] el0_svc_common+0x13c/0x258 [ 72.956520][ T5373] do_el0_svc+0x5c/0x140 [ 72.957257][ T5373] el0_svc+0x78/0x1d0 [ 72.957947][ T5373] el0t_64_sync_handler+0xcc/0xe4 [ 72.958810][ T5373] el0t_64_sync+0x1a0/0x1a4 [ 73.098457][ T5396] loop0: detected capacity change from 0 to 32768 [ 73.101256][ T5396] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.42 (5396) [ 73.116257][ T5396] FAULT_INJECTION: forcing a failure. [ 73.116257][ T5396] name failslab, interval 1, probability 0, space 0, times 0 [ 73.118511][ T5396] CPU: 1 PID: 5396 Comm: syz.0.42 Tainted: G W syzkaller #0 [ 73.119814][ T5396] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 73.121500][ T5396] Call trace: [ 73.122047][ T5396] dump_backtrace+0x0/0x458 [ 73.122844][ T5396] show_stack+0x2c/0x3c [ 73.123569][ T5396] __dump_stack+0x30/0x40 [ 73.124325][ T5396] dump_stack_lvl+0xf4/0x15c [ 73.125158][ T5396] dump_stack+0x1c/0x5c [ 73.125925][ T5396] should_fail+0x3c8/0x520 [ 73.126669][ T5396] __should_failslab+0xbc/0x10c [ 73.127494][ T5396] should_failslab+0x10/0x28 [ 73.128290][ T5396] slab_pre_alloc_hook+0x64/0xe8 [ 73.129114][ T5396] kmem_cache_alloc+0x94/0x3d8 [ 73.129910][ T5396] btrfs_alloc_path+0x5c/0x68 [ 73.130720][ T5396] btrfs_insert_dir_item+0x184/0x3e8 [ 73.131554][ T5396] btrfs_add_link+0x2a8/0xac8 [ 73.132307][ T5396] btrfs_create+0x3b8/0x50c [ 73.133056][ T5396] path_openat+0xdb8/0x2808 [ 73.133818][ T5396] do_filp_open+0x188/0x370 [ 73.134594][ T5396] do_sys_openat2+0x134/0x3fc [ 73.135387][ T5396] __arm64_sys_openat+0x11c/0x150 [ 73.136234][ T5396] invoke_syscall+0x98/0x28c [ 73.137008][ T5396] el0_svc_common+0x13c/0x258 [ 73.137819][ T5396] do_el0_svc+0x5c/0x140 [ 73.138567][ T5396] el0_svc+0x78/0x1d0 [ 73.139246][ T5396] el0t_64_sync_handler+0xcc/0xe4 [ 73.140067][ T5396] el0t_64_sync+0x1a0/0x1a4 [ 73.142438][ T5396] ------------[ cut here ]------------ [ 73.143365][ T5396] WARNING: CPU: 1 PID: 5396 at fs/btrfs/inode.c:6780 btrfs_add_link+0x728/0xac8 [ 73.144763][ T5396] Modules linked in: [ 73.145409][ T5396] CPU: 1 PID: 5396 Comm: syz.0.42 Tainted: G W syzkaller #0 [ 73.146742][ T5396] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 73.148319][ T5396] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 73.149651][ T5396] pc : btrfs_add_link+0x728/0xac8 [ 73.150534][ T5396] lr : btrfs_add_link+0x728/0xac8 [ 73.151412][ T5396] sp : ffff800021e075e0 [ 73.152130][ T5396] x29: ffff800021e076e0 x28: ffff0000deb09160 x27: 0000000000000108 [ 73.153604][ T5396] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 73.154973][ T5396] x23: 0000000000000014 x22: 1fffe0001bd61237 x21: ffff7000043c0ec4 [ 73.156416][ T5396] x20: 00000000fffffff4 x19: ffff0000deb091b8 x18: 0000000000000000 [ 73.157862][ T5396] x17: 0000000000000000 x16: ffff80001135f958 x15: 0000000000000000 [ 73.159261][ T5396] x14: 0000000000000001 x13: 1fffe000341d09ab x12: 0000000000000000 [ 73.160681][ T5396] x11: ff80800008300a38 x10: 0000000000000000 x9 : 543579bb55d9ee00 [ 73.162009][ T5396] x8 : 543579bb55d9ee00 x7 : 0000000000000001 x6 : 0000000000000001 [ 73.163346][ T5396] x5 : ffff800021e06ef8 x4 : ffff80001447f520 x3 : ffff80000850fcd0 [ 73.164702][ T5396] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 73.166072][ T5396] Call trace: [ 73.166611][ T5396] btrfs_add_link+0x728/0xac8 [ 73.167443][ T5396] btrfs_create+0x3b8/0x50c [ 73.168250][ T5396] path_openat+0xdb8/0x2808 [ 73.168991][ T5396] do_filp_open+0x188/0x370 [ 73.169720][ T5396] do_sys_openat2+0x134/0x3fc [ 73.170436][ T5396] __arm64_sys_openat+0x11c/0x150 [ 73.171225][ T5396] invoke_syscall+0x98/0x28c [ 73.172014][ T5396] el0_svc_common+0x13c/0x258 [ 73.172817][ T5396] do_el0_svc+0x5c/0x140 [ 73.173522][ T5396] el0_svc+0x78/0x1d0 [ 73.174169][ T5396] el0t_64_sync_handler+0xcc/0xe4 [ 73.175018][ T5396] el0t_64_sync+0x1a0/0x1a4 [ 73.175762][ T5396] irq event stamp: 79880 [ 73.176467][ T5396] hardirqs last enabled at (79879): [] __up_console_sem+0xb4/0xfc [ 73.178013][ T5396] hardirqs last disabled at (79880): [] el1_dbg+0x24/0x80 [ 73.179456][ T5396] softirqs last enabled at (79860): [] handle_softirqs+0xa70/0xc14 [ 73.181078][ T5396] softirqs last disabled at (79807): [] __irq_exit_rcu+0x240/0x434 [ 73.182675][ T5396] ---[ end trace baaf035a50c56bed ]--- [ 73.185510][ T5396] BTRFS: error (device loop0) in btrfs_add_link:6780: errno=-12 Out of memory [ 73.400026][ T5418] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.43 (5418) [ 73.416797][ T5418] FAULT_INJECTION: forcing a failure. [ 73.416797][ T5418] name failslab, interval 1, probability 0, space 0, times 0 [ 73.427708][ T5418] CPU: 0 PID: 5418 Comm: syz.0.43 Tainted: G W syzkaller #0 [ 73.429164][ T5418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 73.430697][ T5418] Call trace: [ 73.431226][ T5418] dump_backtrace+0x0/0x458 [ 73.431971][ T5418] show_stack+0x2c/0x3c [ 73.432690][ T5418] __dump_stack+0x30/0x40 [ 73.433459][ T5418] dump_stack_lvl+0xf4/0x15c [ 73.434212][ T5418] dump_stack+0x1c/0x5c [ 73.434888][ T5418] should_fail+0x3c8/0x520 [ 73.435601][ T5418] __should_failslab+0xbc/0x10c [ 73.436395][ T5418] should_failslab+0x10/0x28 [ 73.437081][ T5418] slab_pre_alloc_hook+0x64/0xe8 [ 73.437945][ T5418] kmem_cache_alloc+0x94/0x3d8 [ 73.438818][ T5418] security_inode_alloc+0x38/0x11c [ 73.439772][ T5418] inode_init_always+0x6a8/0xb14 [ 73.440777][ T5418] new_inode_pseudo+0x7c/0x200 [ 73.441656][ T5418] new_inode+0x38/0x174 [ 73.442461][ T5418] btrfs_new_inode+0x158/0x156c [ 73.443394][ T5418] btrfs_create+0x23c/0x50c [ 73.444288][ T5418] path_openat+0xdb8/0x2808 [ 73.445179][ T5418] do_filp_open+0x188/0x370 [ 73.446091][ T5418] do_sys_openat2+0x134/0x3fc [ 73.446986][ T5418] __arm64_sys_openat+0x11c/0x150 [ 73.447811][ T5418] invoke_syscall+0x98/0x28c [ 73.448578][ T5418] el0_svc_common+0x13c/0x258 [ 73.449375][ T5418] do_el0_svc+0x5c/0x140 [ 73.450120][ T5418] el0_svc+0x78/0x1d0 [ 73.450762][ T5418] el0t_64_sync_handler+0xcc/0xe4 [ 73.451576][ T5418] el0t_64_sync+0x1a0/0x1a4 [ 73.608602][ T5440] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.44 (5440) [ 73.627552][ T5440] FAULT_INJECTION: forcing a failure. [ 73.627552][ T5440] name failslab, interval 1, probability 0, space 0, times 0 [ 73.630067][ T5440] CPU: 1 PID: 5440 Comm: syz.0.44 Tainted: G W syzkaller #0 [ 73.631474][ T5440] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 73.633217][ T5440] Call trace: [ 73.633723][ T5440] dump_backtrace+0x0/0x458 [ 73.634453][ T5440] show_stack+0x2c/0x3c [ 73.635081][ T5440] __dump_stack+0x30/0x40 [ 73.635816][ T5440] dump_stack_lvl+0xf4/0x15c [ 73.636603][ T5440] dump_stack+0x1c/0x5c [ 73.637392][ T5440] should_fail+0x3c8/0x520 [ 73.638231][ T5440] __should_failslab+0xbc/0x10c [ 73.639191][ T5440] should_failslab+0x10/0x28 [ 73.640074][ T5440] slab_pre_alloc_hook+0x64/0xe8 [ 73.641040][ T5440] kmem_cache_alloc+0x94/0x3d8 [ 73.641970][ T5440] btrfs_get_or_create_delayed_node+0x114/0x4b0 [ 73.643068][ T5440] btrfs_delayed_update_inode+0x3c/0x16e4 [ 73.644067][ T5440] btrfs_update_inode+0x20c/0x3c8 [ 73.644945][ T5440] btrfs_create+0x354/0x50c [ 73.645743][ T5440] path_openat+0xdb8/0x2808 [ 73.646524][ T5440] do_filp_open+0x188/0x370 [ 73.647297][ T5440] do_sys_openat2+0x134/0x3fc [ 73.648137][ T5440] __arm64_sys_openat+0x11c/0x150 [ 73.649015][ T5440] invoke_syscall+0x98/0x28c [ 73.649838][ T5440] el0_svc_common+0x13c/0x258 [ 73.650684][ T5440] do_el0_svc+0x5c/0x140 [ 73.651378][ T5440] el0_svc+0x78/0x1d0 [ 73.652055][ T5440] el0t_64_sync_handler+0xcc/0xe4 [ 73.652981][ T5440] el0t_64_sync+0x1a0/0x1a4 [ 73.859002][ T5462] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.45 (5462) [ 73.906082][ T5462] FAULT_INJECTION: forcing a failure. [ 73.906082][ T5462] name failslab, interval 1, probability 0, space 0, times 0 [ 73.908383][ T5462] CPU: 0 PID: 5462 Comm: syz.0.45 Tainted: G W syzkaller #0 [ 73.909715][ T5462] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 73.911320][ T5462] Call trace: [ 73.911830][ T5462] dump_backtrace+0x0/0x458 [ 73.912671][ T5462] show_stack+0x2c/0x3c [ 73.913383][ T5462] __dump_stack+0x30/0x40 [ 73.914147][ T5462] dump_stack_lvl+0xf4/0x15c [ 73.914890][ T5462] dump_stack+0x1c/0x5c [ 73.915582][ T5462] should_fail+0x3c8/0x520 [ 73.916329][ T5462] __should_failslab+0xbc/0x10c [ 73.917122][ T5462] should_failslab+0x10/0x28 [ 73.917917][ T5462] slab_pre_alloc_hook+0x64/0xe8 [ 73.918774][ T5462] kmem_cache_alloc+0x94/0x3d8 [ 73.919582][ T5462] security_inode_alloc+0x38/0x11c [ 73.920427][ T5462] inode_init_always+0x6a8/0xb14 [ 73.921249][ T5462] new_inode_pseudo+0x7c/0x200 [ 73.922010][ T5462] new_inode+0x38/0x174 [ 73.922709][ T5462] btrfs_new_inode+0x158/0x156c [ 73.923554][ T5462] btrfs_create+0x23c/0x50c [ 73.924315][ T5462] path_openat+0xdb8/0x2808 [ 73.925040][ T5462] do_filp_open+0x188/0x370 [ 73.925794][ T5462] do_sys_openat2+0x134/0x3fc [ 73.926611][ T5462] __arm64_sys_openat+0x11c/0x150 [ 73.927481][ T5462] invoke_syscall+0x98/0x28c [ 73.928283][ T5462] el0_svc_common+0x13c/0x258 [ 73.929074][ T5462] do_el0_svc+0x5c/0x140 [ 73.929787][ T5462] el0_svc+0x78/0x1d0 [ 73.930435][ T5462] el0t_64_sync_handler+0xcc/0xe4 [ 73.931327][ T5462] el0t_64_sync+0x1a0/0x1a4 [ 73.971814][ T4722] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 12 /dev/loop0 scanned by udevd (4722) [ 74.322068][ T5484] FAULT_INJECTION: forcing a failure. [ 74.322068][ T5484] name failslab, interval 1, probability 0, space 0, times 0 [ 74.324268][ T5484] CPU: 0 PID: 5484 Comm: syz.0.46 Tainted: G W syzkaller #0 [ 74.325480][ T5484] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 74.327033][ T5484] Call trace: [ 74.327522][ T5484] dump_backtrace+0x0/0x458 [ 74.328278][ T5484] show_stack+0x2c/0x3c [ 74.329035][ T5484] __dump_stack+0x30/0x40 [ 74.329764][ T5484] dump_stack_lvl+0xf4/0x15c [ 74.330525][ T5484] dump_stack+0x1c/0x5c [ 74.331221][ T5484] should_fail+0x3c8/0x520 [ 74.331933][ T5484] __should_failslab+0xbc/0x10c [ 74.332705][ T5484] should_failslab+0x10/0x28 [ 74.333467][ T5484] slab_pre_alloc_hook+0x64/0xe8 [ 74.334273][ T5484] kmem_cache_alloc+0x94/0x3d8 [ 74.335065][ T5484] btrfs_get_or_create_delayed_node+0x114/0x4b0 [ 74.336118][ T5484] btrfs_delayed_update_inode+0x3c/0x16e4 [ 74.337083][ T5484] btrfs_update_inode+0x20c/0x3c8 [ 74.337901][ T5484] btrfs_create+0x354/0x50c [ 74.338633][ T5484] path_openat+0xdb8/0x2808 [ 74.339372][ T5484] do_filp_open+0x188/0x370 [ 74.340111][ T5484] do_sys_openat2+0x134/0x3fc [ 74.340843][ T5484] __arm64_sys_openat+0x11c/0x150 [ 74.341667][ T5484] invoke_syscall+0x98/0x28c [ 74.342449][ T5484] el0_svc_common+0x13c/0x258 [ 74.343207][ T5484] do_el0_svc+0x5c/0x140 [ 74.343878][ T5484] el0_svc+0x78/0x1d0 [ 74.344535][ T5484] el0t_64_sync_handler+0xcc/0xe4 [ 74.345356][ T5484] el0t_64_sync+0x1a0/0x1a4 [ 74.552240][ T5508] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.47 (5508) [ 74.571593][ T5508] FAULT_INJECTION: forcing a failure. [ 74.571593][ T5508] name failslab, interval 1, probability 0, space 0, times 0 [ 74.575019][ T5508] CPU: 0 PID: 5508 Comm: syz.0.47 Tainted: G W syzkaller #0 [ 74.576529][ T5508] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 74.578110][ T5508] Call trace: [ 74.578690][ T5508] dump_backtrace+0x0/0x458 [ 74.579495][ T5508] show_stack+0x2c/0x3c [ 74.580240][ T5508] __dump_stack+0x30/0x40 [ 74.581004][ T5508] dump_stack_lvl+0xf4/0x15c [ 74.581807][ T5508] dump_stack+0x1c/0x5c [ 74.582500][ T5508] should_fail+0x3c8/0x520 [ 74.583255][ T5508] __should_failslab+0xbc/0x10c [ 74.584116][ T5508] should_failslab+0x10/0x28 [ 74.584876][ T5508] slab_pre_alloc_hook+0x64/0xe8 [ 74.585738][ T5508] kmem_cache_alloc+0x94/0x3d8 [ 74.586551][ T5508] btrfs_alloc_path+0x5c/0x68 [ 74.587350][ T5508] btrfs_insert_dir_item+0x184/0x3e8 [ 74.588248][ T5508] btrfs_add_link+0x2a8/0xac8 [ 74.589051][ T5508] btrfs_create+0x3b8/0x50c [ 74.589816][ T5508] path_openat+0xdb8/0x2808 [ 74.590514][ T5508] do_filp_open+0x188/0x370 [ 74.591217][ T5508] do_sys_openat2+0x134/0x3fc [ 74.591968][ T5508] __arm64_sys_openat+0x11c/0x150 [ 74.592826][ T5508] invoke_syscall+0x98/0x28c [ 74.593604][ T5508] el0_svc_common+0x13c/0x258 [ 74.594416][ T5508] do_el0_svc+0x5c/0x140 [ 74.595234][ T5508] el0_svc+0x78/0x1d0 [ 74.595893][ T5508] el0t_64_sync_handler+0xcc/0xe4 [ 74.596745][ T5508] el0t_64_sync+0x1a0/0x1a4 [ 74.599696][ T5508] ------------[ cut here ]------------ [ 74.600783][ T5508] WARNING: CPU: 0 PID: 5508 at fs/btrfs/inode.c:6780 btrfs_add_link+0x728/0xac8 [ 74.602053][ T5508] Modules linked in: [ 74.602622][ T5508] CPU: 0 PID: 5508 Comm: syz.0.47 Tainted: G W syzkaller #0 [ 74.603856][ T5508] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 74.605298][ T5508] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 74.606497][ T5508] pc : btrfs_add_link+0x728/0xac8 [ 74.607333][ T5508] lr : btrfs_add_link+0x728/0xac8 [ 74.608127][ T5508] sp : ffff8000230a75e0 [ 74.608795][ T5508] x29: ffff8000230a76e0 x28: ffff0000deb95b00 x27: 0000000000000108 [ 74.610114][ T5508] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 74.611434][ T5508] x23: 0000000000000014 x22: 1fffe0001bd72b6b x21: ffff700004614ec4 [ 74.612712][ T5508] x20: 00000000fffffff4 x19: ffff0000deb95b58 x18: 0000000000000000 [ 74.614062][ T5508] x17: 0000000000000000 x16: ffff80001135f958 x15: 0000000000000000 [ 74.615454][ T5508] x14: 0000000000000001 x13: 1fffe000341cc7ab x12: 0000000000000000 [ 74.616948][ T5508] x11: ff80800008300a38 x10: 0000000000000000 x9 : faaa2795c0733700 [ 74.618443][ T5508] x8 : faaa2795c0733700 x7 : 0000000000000001 x6 : 0000000000000001 [ 74.619882][ T5508] x5 : ffff8000230a6ef8 x4 : ffff80001447f520 x3 : ffff80000850fcd0 [ 74.621313][ T5508] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 74.622836][ T5508] Call trace: [ 74.623390][ T5508] btrfs_add_link+0x728/0xac8 [ 74.624226][ T5508] btrfs_create+0x3b8/0x50c [ 74.625027][ T5508] path_openat+0xdb8/0x2808 [ 74.625841][ T5508] do_filp_open+0x188/0x370 [ 74.626594][ T5508] do_sys_openat2+0x134/0x3fc [ 74.627386][ T5508] __arm64_sys_openat+0x11c/0x150 [ 74.628250][ T5508] invoke_syscall+0x98/0x28c [ 74.628963][ T5508] el0_svc_common+0x13c/0x258 [ 74.629731][ T5508] do_el0_svc+0x5c/0x140 [ 74.630432][ T5508] el0_svc+0x78/0x1d0 [ 74.631103][ T5508] el0t_64_sync_handler+0xcc/0xe4 [ 74.631910][ T5508] el0t_64_sync+0x1a0/0x1a4 [ 74.632656][ T5508] irq event stamp: 80504 [ 74.633353][ T5508] hardirqs last enabled at (80503): [] __up_console_sem+0xb4/0xfc [ 74.634851][ T5508] hardirqs last disabled at (80504): [] el1_dbg+0x24/0x80 [ 74.636229][ T5508] softirqs last enabled at (80482): [] handle_softirqs+0xa70/0xc14 [ 74.637832][ T5508] softirqs last disabled at (80431): [] __irq_exit_rcu+0x240/0x434 [ 74.639448][ T5508] ---[ end trace baaf035a50c56bee ]--- [ 74.642668][ T5508] BTRFS: error (device loop0) in btrfs_add_link:6780: errno=-12 Out of memory [ 74.848869][ T5530] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.48 (5530) [ 74.867164][ T5530] FAULT_INJECTION: forcing a failure. [ 74.867164][ T5530] name failslab, interval 1, probability 0, space 0, times 0 [ 74.869668][ T5530] CPU: 1 PID: 5530 Comm: syz.0.48 Tainted: G W syzkaller #0 [ 74.871118][ T5530] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 74.872783][ T5530] Call trace: [ 74.873337][ T5530] dump_backtrace+0x0/0x458 [ 74.874109][ T5530] show_stack+0x2c/0x3c [ 74.874856][ T5530] __dump_stack+0x30/0x40 [ 74.875612][ T5530] dump_stack_lvl+0xf4/0x15c [ 74.876433][ T5530] dump_stack+0x1c/0x5c [ 74.877157][ T5530] should_fail+0x3c8/0x520 [ 74.877950][ T5530] __should_failslab+0xbc/0x10c [ 74.878780][ T5530] should_failslab+0x10/0x28 [ 74.879586][ T5530] slab_pre_alloc_hook+0x64/0xe8 [ 74.880470][ T5530] kmem_cache_alloc+0x94/0x3d8 [ 74.881286][ T5530] btrfs_alloc_path+0x5c/0x68 [ 74.882265][ T5530] btrfs_insert_dir_item+0x184/0x3e8 [ 74.883387][ T5530] btrfs_add_link+0x2a8/0xac8 [ 74.884309][ T5530] btrfs_create+0x3b8/0x50c [ 74.885060][ T5530] path_openat+0xdb8/0x2808 [ 74.885806][ T5530] do_filp_open+0x188/0x370 [ 74.886526][ T5530] do_sys_openat2+0x134/0x3fc [ 74.887344][ T5530] __arm64_sys_openat+0x11c/0x150 [ 74.888384][ T5530] invoke_syscall+0x98/0x28c [ 74.889347][ T5530] el0_svc_common+0x13c/0x258 [ 74.890219][ T5530] do_el0_svc+0x5c/0x140 [ 74.890991][ T5530] el0_svc+0x78/0x1d0 [ 74.891679][ T5530] el0t_64_sync_handler+0xcc/0xe4 [ 74.892727][ T5530] el0t_64_sync+0x1a0/0x1a4 [ 74.899256][ T5530] ------------[ cut here ]------------ [ 74.900324][ T5530] WARNING: CPU: 1 PID: 5530 at fs/btrfs/inode.c:6780 btrfs_add_link+0x728/0xac8 [ 74.901724][ T5530] Modules linked in: [ 74.902342][ T5530] CPU: 1 PID: 5530 Comm: syz.0.48 Tainted: G W syzkaller #0 [ 74.903632][ T5530] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 [ 74.905147][ T5530] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 74.906619][ T5530] pc : btrfs_add_link+0x728/0xac8 [ 74.907536][ T5530] lr : btrfs_add_link+0x728/0xac8 [ 74.908530][ T5530] sp : ffff8000231475e0 [ 74.909379][ T5530] x29: ffff8000231476e0 x28: ffff0000deb09c60 x27: 0000000000000108 [ 74.911037][ T5530] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 74.912416][ T5530] x23: 0000000000000014 x22: 1fffe0001bd61397 x21: ffff700004628ec4 [ 74.913793][ T5530] x20: 00000000fffffff4 x19: ffff0000deb09cb8 x18: 0000000000000000 [ 74.915189][ T5530] x17: 0000000000000000 x16: ffff80001135f958 x15: 0000000000000000 [ 74.916566][ T5530] x14: 0000000000000001 x13: 1fffe000341d09ab x12: 0000000000000000 [ 74.917864][ T5530] x11: ff80800008300a38 x10: 0000000000000000 x9 : cef0a8dc13e84300 [ 74.919233][ T5530] x8 : cef0a8dc13e84300 x7 : 0000000000000001 x6 : 0000000000000001 [ 74.920552][ T5530] x5 : ffff800023146ef8 x4 : ffff80001447f520 x3 : ffff80000850fcd0 [ 74.921912][ T5530] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 74.923323][ T5530] Call trace: [ 74.923888][ T5530] btrfs_add_link+0x728/0xac8 [ 74.924656][ T5530] btrfs_create+0x3b8/0x50c [ 74.925415][ T5530] path_openat+0xdb8/0x2808 [ 74.926122][ T5530] do_filp_open+0x188/0x370 [ 74.926863][ T5530] do_sys_openat2+0x134/0x3fc [ 74.927616][ T5530] __arm64_sys_openat+0x11c/0x150 [ 74.928448][ T5530] invoke_syscall+0x98/0x28c [ 74.929191][ T5530] el0_svc_common+0x13c/0x258 [ 74.929956][ T5530] do_el0_svc+0x5c/0x140 [ 74.930660][ T5530] el0_svc+0x78/0x1d0 [ 74.931348][ T5530] el0t_64_sync_handler+0xcc/0xe4 [ 74.932198][ T5530] el0t_64_sync+0x1a0/0x1a4 [ 74.932979][ T5530] irq event stamp: 79786 [ 74.933713][ T5530] hardirqs last enabled at (79785): [] __up_console_sem+0xb4/0xfc [ 74.935346][ T5530] hardirqs last disabled at (79786): [] el1_dbg+0x24/0x80 [ 74.936804][ T5530] softirqs last enabled at (79766): [] handle_softirqs+0xa70/0xc14 [ 74.938477][ T5530] softirqs last disabled at (79687): [] __irq_exit_rcu+0x240/0x434 [ 74.940065][ T5530] ---[ end trace baaf035a50c56bef ]--- [ 74.943031][ T5530] BTRFS: error (device loop0) in btrfs_add_link:6780: errno=-12 Out of memory [ 75.128972][ T5552] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.49 (5552)