Warning: Permanently added '10.128.1.74' (ED25519) to the list of known hosts. 1970/01/01 00:01:23 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:01:23 ignoring optional flag "type"="gce" 1970/01/01 00:01:23 parsed 1 programs [ 86.441444][ T4481] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 94.918942][ T4497] chnl_net:caif_netlink_parms(): no params data found [ 94.957615][ T4497] bridge0: port 1(bridge_slave_0) entered blocking state [ 94.959729][ T4497] bridge0: port 1(bridge_slave_0) entered disabled state [ 94.962205][ T4497] device bridge_slave_0 entered promiscuous mode [ 94.965722][ T4497] bridge0: port 2(bridge_slave_1) entered blocking state [ 94.967710][ T4497] bridge0: port 2(bridge_slave_1) entered disabled state [ 94.970822][ T4497] device bridge_slave_1 entered promiscuous mode [ 94.987380][ T4497] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 94.991717][ T4497] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 95.010482][ T4497] team0: Port device team_slave_0 added [ 95.014877][ T4497] team0: Port device team_slave_1 added [ 95.028654][ T4497] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 95.030597][ T4497] 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. [ 95.037503][ T4497] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 95.041893][ T4497] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 95.043728][ T4497] 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. [ 95.050741][ T4497] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 95.100405][ T4497] device hsr_slave_0 entered promiscuous mode [ 95.148831][ T4497] device hsr_slave_1 entered promiscuous mode [ 95.992177][ T4497] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 96.010128][ T4497] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 96.040223][ T4497] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 96.071130][ T4497] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 96.223428][ T4497] 8021q: adding VLAN 0 to HW filter on device bond0 [ 96.235528][ T4497] 8021q: adding VLAN 0 to HW filter on device team0 [ 96.239945][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 96.242927][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 96.246858][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 96.250583][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 96.260696][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 96.262807][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 96.266369][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 96.282457][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 96.285296][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 96.288045][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 96.290096][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 96.320824][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 96.323849][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 96.326648][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 96.340065][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 96.342884][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 96.350157][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 96.356860][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 96.372499][ T4497] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 96.375359][ T4497] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 96.389266][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 96.392004][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 96.395136][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 96.408893][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 96.412005][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 96.548779][ T4497] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 96.551837][ T396] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 96.554030][ T396] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 96.568767][ T396] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 96.571434][ T396] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 96.591780][ T396] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 96.594360][ T396] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 96.597224][ T396] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 96.602635][ T396] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 96.607765][ T4497] device veth0_vlan entered promiscuous mode [ 96.629634][ T4497] device veth1_vlan entered promiscuous mode [ 96.658984][ T4497] device veth0_macvtap entered promiscuous mode [ 96.661395][ T4184] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 96.664099][ T4184] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 96.666716][ T4184] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 96.679263][ T4184] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 96.682359][ T4184] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 96.686804][ T4497] device veth1_macvtap entered promiscuous mode [ 96.707479][ T4497] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 96.717944][ T4184] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 96.722042][ T4184] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 96.724791][ T4184] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 96.740881][ T4497] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 96.742914][ T4184] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 96.745688][ T4184] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 96.761630][ T4497] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 96.764007][ T4497] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 96.771901][ T4497] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 96.774347][ T4497] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 97.395491][ T4181] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 99.815374][ T4181] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 102.275514][ T4181] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 102.325739][ T4181] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 102.788256][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 102.790734][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 102.793962][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 102.817658][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 102.820531][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 102.823510][ T4184] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:01:43 executed programs: 0 [ 103.705791][ T4944] chnl_net:caif_netlink_parms(): no params data found [ 103.747715][ T4944] bridge0: port 1(bridge_slave_0) entered blocking state [ 103.752349][ T4944] bridge0: port 1(bridge_slave_0) entered disabled state [ 103.755182][ T4944] device bridge_slave_0 entered promiscuous mode [ 103.759417][ T4944] bridge0: port 2(bridge_slave_1) entered blocking state [ 103.761432][ T4944] bridge0: port 2(bridge_slave_1) entered disabled state [ 103.764390][ T4944] device bridge_slave_1 entered promiscuous mode [ 103.801619][ T4944] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 103.806520][ T4944] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 103.827415][ T4944] team0: Port device team_slave_0 added [ 103.834506][ T4944] team0: Port device team_slave_1 added [ 103.851573][ T4944] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 103.853450][ T4944] 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. [ 103.860751][ T4944] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 103.877175][ T4944] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 103.879452][ T4944] 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. [ 103.886348][ T4944] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 103.960786][ T4944] device hsr_slave_0 entered promiscuous mode [ 103.988815][ T4944] device hsr_slave_1 entered promiscuous mode [ 104.038601][ T4944] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 104.040655][ T4944] Cannot create hsr debugfs directory [ 104.145323][ T4181] device hsr_slave_0 left promiscuous mode [ 104.199423][ T4181] device hsr_slave_1 left promiscuous mode [ 104.278605][ T4181] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 104.280716][ T4181] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 104.283692][ T4181] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 104.285709][ T4181] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 104.288042][ T4181] device bridge_slave_1 left promiscuous mode [ 104.289981][ T4181] bridge0: port 2(bridge_slave_1) entered disabled state [ 104.359659][ T4181] device bridge_slave_0 left promiscuous mode [ 104.361413][ T4181] bridge0: port 1(bridge_slave_0) entered disabled state [ 104.528808][ T4181] device veth1_macvtap left promiscuous mode [ 104.530575][ T4181] device veth0_macvtap left promiscuous mode [ 104.532292][ T4181] device veth1_vlan left promiscuous mode [ 104.533932][ T4181] device veth0_vlan left promiscuous mode [ 104.762392][ T4181] team0 (unregistering): Port device team_slave_1 removed [ 104.772809][ T4181] team0 (unregistering): Port device team_slave_0 removed [ 104.781229][ T4181] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 104.817186][ T4181] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 104.964957][ T4181] bond0 (unregistering): Released all slaves [ 105.534306][ T4944] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 105.593509][ T4944] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 105.628959][ T13] Bluetooth: hci0: command 0x0409 tx timeout [ 105.640875][ T4944] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 105.701597][ T4944] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 105.804470][ T4944] 8021q: adding VLAN 0 to HW filter on device bond0 [ 105.815691][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 105.818864][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 105.824541][ T4944] 8021q: adding VLAN 0 to HW filter on device team0 [ 105.830900][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 105.833592][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 105.836182][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 105.838113][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 105.845105][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 105.848070][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 105.852467][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 105.855065][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 105.857001][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 105.867974][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 105.872448][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 105.878133][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 105.881933][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 105.895359][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 105.898289][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 105.901543][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 105.904237][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 105.906857][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 105.910527][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 105.913260][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 105.917081][ T4944] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 106.110016][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 106.112223][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 106.118246][ T4944] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 106.140336][ T4184] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 106.143238][ T4184] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 106.160799][ T4184] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 106.163585][ T4184] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 106.166533][ T4184] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 106.171613][ T4184] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 106.176231][ T4944] device veth0_vlan entered promiscuous mode [ 106.187326][ T4944] device veth1_vlan entered promiscuous mode [ 106.205749][ T4184] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 106.210134][ T4184] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 106.212826][ T4184] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 106.215930][ T4184] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 106.221670][ T4944] device veth0_macvtap entered promiscuous mode [ 106.228182][ T4944] device veth1_macvtap entered promiscuous mode [ 106.242574][ T4944] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 106.244778][ T4184] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 106.247366][ T4184] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 106.252617][ T4184] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 106.255835][ T4184] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 106.262827][ T4944] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 106.266924][ T4944] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 106.272302][ T4944] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 106.274588][ T4944] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 106.276961][ T4944] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 106.281432][ T4184] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 106.284272][ T4184] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 106.340085][ T396] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 106.342341][ T396] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 106.345363][ T4184] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 106.375459][ T4184] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 106.377892][ T4184] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 106.381249][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 106.876584][ T5036] loop0: detected capacity change from 0 to 32768 [ 106.945232][ T5036] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.15 (5036) [ 106.965385][ T5036] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 106.967806][ T5036] BTRFS info (device loop0): setting nodatacow, compression disabled [ 106.989451][ T5036] BTRFS info (device loop0): setting datacow [ 106.991034][ T5036] BTRFS info (device loop0): doing ref verification [ 106.992829][ T5036] BTRFS info (device loop0): force clearing of disk cache [ 106.996470][ T5036] BTRFS info (device loop0): turning off barriers [ 106.998282][ T5036] BTRFS info (device loop0): use zlib compression, level 3 [ 107.000906][ T5036] BTRFS info (device loop0): using free space tree [ 107.002658][ T5036] BTRFS info (device loop0): has skinny extents [ 107.121184][ T5036] BTRFS info (device loop0): clearing free space tree [ 107.123329][ T5036] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 107.126060][ T5036] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 107.163422][ T5036] BTRFS info (device loop0): creating free space tree [ 107.166786][ T5036] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 107.178455][ T5036] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 107.191769][ T5036] FAULT_INJECTION: forcing a failure. [ 107.191769][ T5036] name failslab, interval 1, probability 0, space 0, times 1 [ 107.195366][ T5036] CPU: 0 PID: 5036 Comm: syz.0.15 Not tainted 5.15.186-syzkaller #0 [ 107.197493][ T5036] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 107.200199][ T5036] Call trace: [ 107.201074][ T5036] dump_backtrace+0x0/0x43c [ 107.202294][ T5036] show_stack+0x2c/0x3c [ 107.203425][ T5036] __dump_stack+0x30/0x40 [ 107.204620][ T5036] dump_stack_lvl+0xf8/0x160 [ 107.205909][ T5036] dump_stack+0x1c/0x5c [ 107.207062][ T5036] should_fail+0x3c0/0x51c [ 107.208310][ T5036] __should_failslab+0xbc/0x10c [ 107.209652][ T5036] should_failslab+0x10/0x28 [ 107.210938][ T5036] slab_pre_alloc_hook+0x64/0xec [ 107.212280][ T5036] kmem_cache_alloc+0x94/0x3e4 [ 107.213502][ T5036] btrfs_alloc_path+0x5c/0x68 [ 107.214759][ T5036] btrfs_insert_dir_item+0x16c/0x3b8 [ 107.216192][ T5036] btrfs_add_link+0x294/0xa68 [ 107.217416][ T5036] btrfs_create+0x45c/0x508 [ 107.218621][ T5036] path_openat+0x1144/0x26e4 [ 107.219918][ T5036] do_filp_open+0x164/0x330 [ 107.221140][ T5036] do_sys_openat2+0x128/0x3d8 [ 107.222373][ T5036] __arm64_sys_openat+0x120/0x154 [ 107.223697][ T5036] invoke_syscall+0x98/0x2b8 [ 107.224912][ T5036] el0_svc_common+0x138/0x258 [ 107.226149][ T5036] do_el0_svc+0x58/0x14c [ 107.227274][ T5036] el0_svc+0x78/0x1e0 [ 107.228331][ T5036] el0t_64_sync_handler+0xcc/0xe4 [ 107.229643][ T5036] el0t_64_sync+0x1a0/0x1a4 [ 107.279599][ T5036] ------------[ cut here ]------------ [ 107.281442][ T5036] WARNING: CPU: 0 PID: 5036 at fs/btrfs/inode.c:6761 btrfs_add_link+0x6e8/0xa68 [ 107.283909][ T5036] Modules linked in: [ 107.284944][ T5036] CPU: 0 PID: 5036 Comm: syz.0.15 Not tainted 5.15.186-syzkaller #0 [ 107.287140][ T5036] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 107.289874][ T5036] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 107.292019][ T5036] pc : btrfs_add_link+0x6e8/0xa68 [ 107.293373][ T5036] lr : btrfs_add_link+0x6e8/0xa68 [ 107.294748][ T5036] sp : ffff80001f747580 [ 107.295895][ T5036] x29: ffff80001f747680 x28: ffff0000dcfbd210 x27: 0000000000000108 [ 107.298095][ T5036] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 107.300279][ T5036] x23: 0000000000000014 x22: 1fffe0001b9f7a4d x21: ffff700003ee8eb8 [ 107.302370][ T5036] x20: 00000000fffffff4 x19: ffff0000dcfbd268 x18: 0000000000000001 [ 107.304565][ T5036] x17: 0000000000000000 x16: ffff8000111cf35c x15: 00000000ffffffff [ 107.306797][ T5036] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 107.308946][ T5036] x11: 0000000000000000 x10: 0000000000000000 x9 : 92b05d336642e200 [ 107.311082][ T5036] x8 : 92b05d336642e200 x7 : 0000000000000001 x6 : 0000000000000001 [ 107.313231][ T5036] x5 : ffff80001f746e78 x4 : ffff80001425f400 x3 : ffff800008505198 [ 107.315452][ T5036] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 107.317664][ T5036] Call trace: [ 107.318559][ T5036] btrfs_add_link+0x6e8/0xa68 [ 107.319877][ T5036] btrfs_create+0x45c/0x508 [ 107.321131][ T5036] path_openat+0x1144/0x26e4 [ 107.322370][ T5036] do_filp_open+0x164/0x330 [ 107.323541][ T5036] do_sys_openat2+0x128/0x3d8 [ 107.324802][ T5036] __arm64_sys_openat+0x120/0x154 [ 107.326198][ T5036] invoke_syscall+0x98/0x2b8 [ 107.327418][ T5036] el0_svc_common+0x138/0x258 [ 107.328711][ T5036] do_el0_svc+0x58/0x14c [ 107.329872][ T5036] el0_svc+0x78/0x1e0 [ 107.331021][ T5036] el0t_64_sync_handler+0xcc/0xe4 [ 107.332342][ T5036] el0t_64_sync+0x1a0/0x1a4 [ 107.333593][ T5036] irq event stamp: 84352 [ 107.334721][ T5036] hardirqs last enabled at (84351): [] __up_console_sem+0xb4/0x100 [ 107.337306][ T5036] hardirqs last disabled at (84352): [] el1_dbg+0x24/0x80 [ 107.339664][ T5036] softirqs last enabled at (84328): [] handle_softirqs+0xa4c/0xbf0 [ 107.342276][ T5036] softirqs last disabled at (84315): [] __irq_exit_rcu+0x240/0x440 [ 107.344921][ T5036] ---[ end trace 0035dc513b275e1f ]--- [ 107.353493][ T5036] BTRFS: error (device loop0) in btrfs_add_link:6761: errno=-12 Out of memory [ 107.356716][ T5036] BTRFS info (device loop0): forced readonly [ 107.704039][ T5094] loop0: detected capacity change from 0 to 32768 [ 107.709192][ T1533] Bluetooth: hci0: command 0x041b tx timeout [ 107.830594][ T5094] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.16 (5094) [ 107.840854][ T5094] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 107.843369][ T5094] BTRFS info (device loop0): setting nodatacow, compression disabled [ 107.845685][ T5094] BTRFS info (device loop0): setting datacow [ 107.847276][ T5094] BTRFS info (device loop0): doing ref verification [ 107.850029][ T5094] BTRFS info (device loop0): force clearing of disk cache [ 107.851923][ T5094] BTRFS info (device loop0): turning off barriers [ 107.853688][ T5094] BTRFS info (device loop0): use zlib compression, level 3 [ 107.855684][ T5094] BTRFS info (device loop0): using free space tree [ 107.857492][ T5094] BTRFS info (device loop0): has skinny extents [ 107.880104][ T5094] BTRFS info (device loop0): clearing free space tree [ 107.881950][ T5094] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 107.884563][ T5094] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 107.891440][ T5094] BTRFS info (device loop0): creating free space tree [ 107.893923][ T5094] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 107.896528][ T5094] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 107.905793][ T5094] FAULT_INJECTION: forcing a failure. [ 107.905793][ T5094] name failslab, interval 1, probability 0, space 0, times 0 [ 107.909456][ T5094] CPU: 0 PID: 5094 Comm: syz.0.16 Tainted: G W 5.15.186-syzkaller #0 [ 107.911944][ T5094] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 107.914652][ T5094] Call trace: [ 107.915506][ T5094] dump_backtrace+0x0/0x43c [ 107.916662][ T5094] show_stack+0x2c/0x3c [ 107.917758][ T5094] __dump_stack+0x30/0x40 [ 107.918926][ T5094] dump_stack_lvl+0xf8/0x160 [ 107.920184][ T5094] dump_stack+0x1c/0x5c [ 107.921306][ T5094] should_fail+0x3c0/0x51c [ 107.922491][ T5094] __should_failslab+0xbc/0x10c [ 107.923813][ T5094] should_failslab+0x10/0x28 [ 107.925103][ T5094] slab_pre_alloc_hook+0x64/0xec [ 107.926430][ T5094] kmem_cache_alloc+0x94/0x3e4 [ 107.927755][ T5094] btrfs_alloc_path+0x5c/0x68 [ 107.928965][ T5094] btrfs_insert_dir_item+0x16c/0x3b8 [ 107.930405][ T5094] btrfs_add_link+0x294/0xa68 [ 107.931690][ T5094] btrfs_create+0x45c/0x508 [ 107.932914][ T5094] path_openat+0x1144/0x26e4 [ 107.934203][ T5094] do_filp_open+0x164/0x330 [ 107.935432][ T5094] do_sys_openat2+0x128/0x3d8 [ 107.936725][ T5094] __arm64_sys_openat+0x120/0x154 [ 107.938138][ T5094] invoke_syscall+0x98/0x2b8 [ 107.939393][ T5094] el0_svc_common+0x138/0x258 [ 107.940688][ T5094] do_el0_svc+0x58/0x14c [ 107.941806][ T5094] el0_svc+0x78/0x1e0 [ 107.942925][ T5094] el0t_64_sync_handler+0xcc/0xe4 [ 107.944267][ T5094] el0t_64_sync+0x1a0/0x1a4 [ 107.946522][ T5094] ------------[ cut here ]------------ [ 107.948212][ T5094] WARNING: CPU: 0 PID: 5094 at fs/btrfs/inode.c:6761 btrfs_add_link+0x6e8/0xa68 [ 107.950563][ T5094] Modules linked in: [ 107.951585][ T5094] CPU: 0 PID: 5094 Comm: syz.0.16 Tainted: G W 5.15.186-syzkaller #0 [ 107.954092][ T5094] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 107.956774][ T5094] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 107.958911][ T5094] pc : btrfs_add_link+0x6e8/0xa68 [ 107.960331][ T5094] lr : btrfs_add_link+0x6e8/0xa68 [ 107.961664][ T5094] sp : ffff80001f747580 [ 107.962781][ T5094] x29: ffff80001f747680 x28: ffff0000dcfbd4d0 x27: 0000000000000108 [ 107.964955][ T5094] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 107.967146][ T5094] x23: 0000000000000014 x22: 1fffe0001b9f7aa5 x21: ffff700003ee8eb8 [ 107.969252][ T5094] x20: 00000000fffffff4 x19: ffff0000dcfbd528 x18: 0000000000000001 [ 107.971332][ T5094] x17: 0000000000000000 x16: ffff8000083020fc x15: 00000000ffffffff [ 107.973605][ T5094] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 107.975890][ T5094] x11: 0000000000000000 x10: 0000000000000000 x9 : 8f95a078bec60100 [ 107.978060][ T5094] x8 : 8f95a078bec60100 x7 : 0000000000000001 x6 : 0000000000000001 [ 107.980325][ T5094] x5 : ffff80001f746e78 x4 : ffff80001425f400 x3 : ffff80000830220c [ 107.982550][ T5094] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 107.984778][ T5094] Call trace: [ 107.985682][ T5094] btrfs_add_link+0x6e8/0xa68 [ 107.986992][ T5094] btrfs_create+0x45c/0x508 [ 107.988211][ T5094] path_openat+0x1144/0x26e4 [ 107.989502][ T5094] do_filp_open+0x164/0x330 [ 107.990753][ T5094] do_sys_openat2+0x128/0x3d8 [ 107.992016][ T5094] __arm64_sys_openat+0x120/0x154 [ 107.993432][ T5094] invoke_syscall+0x98/0x2b8 [ 107.994745][ T5094] el0_svc_common+0x138/0x258 [ 107.996088][ T5094] do_el0_svc+0x58/0x14c [ 107.997254][ T5094] el0_svc+0x78/0x1e0 [ 107.998378][ T5094] el0t_64_sync_handler+0xcc/0xe4 [ 107.999719][ T5094] el0t_64_sync+0x1a0/0x1a4 [ 108.000950][ T5094] irq event stamp: 82766 [ 108.002132][ T5094] hardirqs last enabled at (82765): [] __up_console_sem+0xb4/0x100 [ 108.004800][ T5094] hardirqs last disabled at (82766): [] el1_dbg+0x24/0x80 [ 108.007172][ T5094] softirqs last enabled at (82746): [] handle_softirqs+0xa4c/0xbf0 [ 108.009798][ T5094] softirqs last disabled at (82603): [] __irq_exit_rcu+0x240/0x440 [ 108.012458][ T5094] ---[ end trace 0035dc513b275e20 ]--- [ 108.016396][ T5094] BTRFS: error (device loop0) in btrfs_add_link:6761: errno=-12 Out of memory [ 108.018956][ T5094] BTRFS info (device loop0): forced readonly [ 108.316451][ T5121] loop0: detected capacity change from 0 to 32768 [ 108.382227][ T5121] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.17 (5121) [ 108.392627][ T5121] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 108.394956][ T5121] BTRFS info (device loop0): setting nodatacow, compression disabled [ 108.397168][ T5121] BTRFS info (device loop0): setting datacow [ 108.399302][ T5121] BTRFS info (device loop0): doing ref verification [ 108.401106][ T5121] BTRFS info (device loop0): force clearing of disk cache [ 108.403080][ T5121] BTRFS info (device loop0): turning off barriers [ 108.404799][ T5121] BTRFS info (device loop0): use zlib compression, level 3 [ 108.406866][ T5121] BTRFS info (device loop0): using free space tree [ 108.409480][ T5121] BTRFS info (device loop0): has skinny extents [ 108.439623][ T5121] BTRFS info (device loop0): clearing free space tree [ 108.441490][ T5121] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 108.444084][ T5121] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 108.450848][ T5121] BTRFS info (device loop0): creating free space tree [ 108.453289][ T5121] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 108.455840][ T5121] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 108.464233][ T5121] FAULT_INJECTION: forcing a failure. [ 108.464233][ T5121] name failslab, interval 1, probability 0, space 0, times 0 [ 108.467554][ T5121] CPU: 0 PID: 5121 Comm: syz.0.17 Tainted: G W 5.15.186-syzkaller #0 [ 108.470127][ T5121] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 108.472857][ T5121] Call trace: [ 108.473815][ T5121] dump_backtrace+0x0/0x43c [ 108.475043][ T5121] show_stack+0x2c/0x3c [ 108.476217][ T5121] __dump_stack+0x30/0x40 [ 108.477331][ T5121] dump_stack_lvl+0xf8/0x160 [ 108.478571][ T5121] dump_stack+0x1c/0x5c [ 108.479740][ T5121] should_fail+0x3c0/0x51c [ 108.480985][ T5121] __should_failslab+0xbc/0x10c [ 108.482358][ T5121] should_failslab+0x10/0x28 [ 108.483762][ T5121] slab_pre_alloc_hook+0x64/0xec [ 108.485092][ T5121] kmem_cache_alloc+0x94/0x3e4 [ 108.486378][ T5121] btrfs_alloc_path+0x5c/0x68 [ 108.487648][ T5121] btrfs_insert_dir_item+0x16c/0x3b8 [ 108.489098][ T5121] btrfs_add_link+0x294/0xa68 [ 108.490383][ T5121] btrfs_create+0x45c/0x508 [ 108.491630][ T5121] path_openat+0x1144/0x26e4 [ 108.492939][ T5121] do_filp_open+0x164/0x330 [ 108.494227][ T5121] do_sys_openat2+0x128/0x3d8 [ 108.495540][ T5121] __arm64_sys_openat+0x120/0x154 [ 108.496945][ T5121] invoke_syscall+0x98/0x2b8 [ 108.498228][ T5121] el0_svc_common+0x138/0x258 [ 108.499544][ T5121] do_el0_svc+0x58/0x14c [ 108.500717][ T5121] el0_svc+0x78/0x1e0 [ 108.501821][ T5121] el0t_64_sync_handler+0xcc/0xe4 [ 108.503213][ T5121] el0t_64_sync+0x1a0/0x1a4 [ 108.507276][ T5121] ------------[ cut here ]------------ [ 108.509673][ T5121] WARNING: CPU: 0 PID: 5121 at fs/btrfs/inode.c:6761 btrfs_add_link+0x6e8/0xa68 [ 108.512211][ T5121] Modules linked in: [ 108.513226][ T5121] CPU: 0 PID: 5121 Comm: syz.0.17 Tainted: G W 5.15.186-syzkaller #0 [ 108.515688][ T5121] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 108.518394][ T5121] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 108.520512][ T5121] pc : btrfs_add_link+0x6e8/0xa68 [ 108.521944][ T5121] lr : btrfs_add_link+0x6e8/0xa68 [ 108.523247][ T5121] sp : ffff80001fc17580 [ 108.524367][ T5121] x29: ffff80001fc17680 x28: ffff0000dcfbd790 x27: 0000000000000108 [ 108.526543][ T5121] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 108.528664][ T5121] x23: 0000000000000014 x22: 1fffe0001b9f7afd x21: ffff700003f82eb8 [ 108.530910][ T5121] x20: 00000000fffffff4 x19: ffff0000dcfbd7e8 x18: 0000000000000001 [ 108.533126][ T5121] x17: 0000000000000000 x16: ffff8000111cf35c x15: 00000000ffffffff [ 108.535371][ T5121] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 108.537560][ T5121] x11: 0000000000000000 x10: 0000000000000000 x9 : 2fc68301474eb700 [ 108.539732][ T5121] x8 : 2fc68301474eb700 x7 : 0000000000000001 x6 : 0000000000000001 [ 108.541848][ T5121] x5 : ffff80001fc16e78 x4 : ffff80001425f400 x3 : ffff800008505198 [ 108.543980][ T5121] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 108.546151][ T5121] Call trace: [ 108.547050][ T5121] btrfs_add_link+0x6e8/0xa68 [ 108.548318][ T5121] btrfs_create+0x45c/0x508 [ 108.549508][ T5121] path_openat+0x1144/0x26e4 [ 108.550763][ T5121] do_filp_open+0x164/0x330 [ 108.552006][ T5121] do_sys_openat2+0x128/0x3d8 [ 108.553289][ T5121] __arm64_sys_openat+0x120/0x154 [ 108.554715][ T5121] invoke_syscall+0x98/0x2b8 [ 108.555956][ T5121] el0_svc_common+0x138/0x258 [ 108.557178][ T5121] do_el0_svc+0x58/0x14c [ 108.558377][ T5121] el0_svc+0x78/0x1e0 [ 108.559443][ T5121] el0t_64_sync_handler+0xcc/0xe4 [ 108.560786][ T5121] el0t_64_sync+0x1a0/0x1a4 [ 108.561998][ T5121] irq event stamp: 82332 [ 108.563174][ T5121] hardirqs last enabled at (82331): [] __up_console_sem+0xb4/0x100 [ 108.565721][ T5121] hardirqs last disabled at (82332): [] el1_dbg+0x24/0x80 [ 108.568082][ T5121] softirqs last enabled at (82320): [] handle_softirqs+0xa4c/0xbf0 [ 108.570650][ T5121] softirqs last disabled at (82197): [] __irq_exit_rcu+0x240/0x440 [ 108.573319][ T5121] ---[ end trace 0035dc513b275e21 ]--- [ 108.578012][ T5121] BTRFS: error (device loop0) in btrfs_add_link:6761: errno=-12 Out of memory [ 108.580532][ T5121] BTRFS info (device loop0): forced readonly 1970/01/01 00:01:48 executed programs: 5 [ 108.865494][ T5144] loop0: detected capacity change from 0 to 32768 [ 108.919039][ T5144] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.18 (5144) [ 108.924655][ T5144] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 108.927233][ T5144] BTRFS info (device loop0): setting nodatacow, compression disabled [ 108.931741][ T5144] BTRFS info (device loop0): setting datacow [ 108.933384][ T5144] BTRFS info (device loop0): doing ref verification [ 108.935084][ T5144] BTRFS info (device loop0): force clearing of disk cache [ 108.937086][ T5144] BTRFS info (device loop0): turning off barriers [ 108.939627][ T5144] BTRFS info (device loop0): use zlib compression, level 3 [ 108.941754][ T5144] BTRFS info (device loop0): using free space tree [ 108.943490][ T5144] BTRFS info (device loop0): has skinny extents [ 108.973548][ T5144] BTRFS info (device loop0): clearing free space tree [ 108.975491][ T5144] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 108.978085][ T5144] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 108.986306][ T5144] BTRFS info (device loop0): creating free space tree [ 108.990217][ T5144] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 108.993291][ T5144] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 109.003411][ T5144] FAULT_INJECTION: forcing a failure. [ 109.003411][ T5144] name failslab, interval 1, probability 0, space 0, times 0 [ 109.006738][ T5144] CPU: 0 PID: 5144 Comm: syz.0.18 Tainted: G W 5.15.186-syzkaller #0 [ 109.009211][ T5144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 109.011875][ T5144] Call trace: [ 109.012787][ T5144] dump_backtrace+0x0/0x43c [ 109.014026][ T5144] show_stack+0x2c/0x3c [ 109.015171][ T5144] __dump_stack+0x30/0x40 [ 109.016363][ T5144] dump_stack_lvl+0xf8/0x160 [ 109.017736][ T5144] dump_stack+0x1c/0x5c [ 109.018883][ T5144] should_fail+0x3c0/0x51c [ 109.020080][ T5144] __should_failslab+0xbc/0x10c [ 109.021445][ T5144] should_failslab+0x10/0x28 [ 109.022683][ T5144] slab_pre_alloc_hook+0x64/0xec [ 109.024066][ T5144] kmem_cache_alloc+0x94/0x3e4 [ 109.025357][ T5144] security_inode_alloc+0x38/0x11c [ 109.026770][ T5144] inode_init_always+0x670/0xa84 [ 109.028101][ T5144] new_inode_pseudo+0x7c/0x1fc [ 109.029364][ T5144] new_inode+0x38/0x174 [ 109.030520][ T5144] btrfs_new_inode+0x148/0x1538 [ 109.031919][ T5144] btrfs_create+0x248/0x508 [ 109.033133][ T5144] path_openat+0x1144/0x26e4 [ 109.034396][ T5144] do_filp_open+0x164/0x330 [ 109.035696][ T5144] do_sys_openat2+0x128/0x3d8 [ 109.037008][ T5144] __arm64_sys_openat+0x120/0x154 [ 109.038382][ T5144] invoke_syscall+0x98/0x2b8 [ 109.039683][ T5144] el0_svc_common+0x138/0x258 [ 109.040996][ T5144] do_el0_svc+0x58/0x14c [ 109.042132][ T5144] el0_svc+0x78/0x1e0 [ 109.043234][ T5144] el0t_64_sync_handler+0xcc/0xe4 [ 109.044601][ T5144] el0t_64_sync+0x1a0/0x1a4 [ 109.364422][ T5167] loop0: detected capacity change from 0 to 32768 [ 109.369223][ T5167] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.19 (5167) [ 109.375420][ T5167] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 109.377865][ T5167] BTRFS info (device loop0): setting nodatacow, compression disabled [ 109.388644][ T5167] BTRFS info (device loop0): setting datacow [ 109.390267][ T5167] BTRFS info (device loop0): doing ref verification [ 109.392011][ T5167] BTRFS info (device loop0): force clearing of disk cache [ 109.393865][ T5167] BTRFS info (device loop0): turning off barriers [ 109.395592][ T5167] BTRFS info (device loop0): use zlib compression, level 3 [ 109.397551][ T5167] BTRFS info (device loop0): using free space tree [ 109.400366][ T5167] BTRFS info (device loop0): has skinny extents [ 109.417591][ T5167] BTRFS info (device loop0): clearing free space tree [ 109.419801][ T5167] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 109.422583][ T5167] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 109.430899][ T5167] BTRFS info (device loop0): creating free space tree [ 109.433494][ T5167] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 109.436093][ T5167] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 109.444484][ T5167] FAULT_INJECTION: forcing a failure. [ 109.444484][ T5167] name failslab, interval 1, probability 0, space 0, times 0 [ 109.447939][ T5167] CPU: 1 PID: 5167 Comm: syz.0.19 Tainted: G W 5.15.186-syzkaller #0 [ 109.450431][ T5167] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 109.453086][ T5167] Call trace: [ 109.454012][ T5167] dump_backtrace+0x0/0x43c [ 109.455196][ T5167] show_stack+0x2c/0x3c [ 109.456387][ T5167] __dump_stack+0x30/0x40 [ 109.457529][ T5167] dump_stack_lvl+0xf8/0x160 [ 109.458808][ T5167] dump_stack+0x1c/0x5c [ 109.459993][ T5167] should_fail+0x3c0/0x51c [ 109.461185][ T5167] __should_failslab+0xbc/0x10c [ 109.462542][ T5167] should_failslab+0x10/0x28 [ 109.463760][ T5167] slab_pre_alloc_hook+0x64/0xec [ 109.465084][ T5167] kmem_cache_alloc+0x94/0x3e4 [ 109.466414][ T5167] btrfs_get_or_create_delayed_node+0x128/0x4c8 [ 109.468123][ T5167] btrfs_delayed_update_inode+0x3c/0x1b7c [ 109.469651][ T5167] btrfs_update_inode+0x210/0x3d4 [ 109.471046][ T5167] btrfs_create+0x360/0x508 [ 109.472402][ T5167] path_openat+0x1144/0x26e4 [ 109.473793][ T5167] do_filp_open+0x164/0x330 [ 109.474989][ T5167] do_sys_openat2+0x128/0x3d8 [ 109.476310][ T5167] __arm64_sys_openat+0x120/0x154 [ 109.477739][ T5167] invoke_syscall+0x98/0x2b8 [ 109.479059][ T5167] el0_svc_common+0x138/0x258 [ 109.480337][ T5167] do_el0_svc+0x58/0x14c [ 109.481495][ T5167] el0_svc+0x78/0x1e0 [ 109.482718][ T5167] el0t_64_sync_handler+0xcc/0xe4 [ 109.484174][ T5167] el0t_64_sync+0x1a0/0x1a4 [ 109.788627][ T4089] Bluetooth: hci0: command 0x040f tx timeout [ 109.792977][ T5189] loop0: detected capacity change from 0 to 32768 [ 109.830768][ T5189] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.20 (5189) [ 109.875572][ T5189] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 109.878072][ T5189] BTRFS info (device loop0): setting nodatacow, compression disabled [ 109.881339][ T5189] BTRFS info (device loop0): setting datacow [ 109.883011][ T5189] BTRFS info (device loop0): doing ref verification [ 109.884748][ T5189] BTRFS info (device loop0): force clearing of disk cache [ 109.886609][ T5189] BTRFS info (device loop0): turning off barriers [ 109.889034][ T5189] BTRFS info (device loop0): use zlib compression, level 3 [ 109.890977][ T5189] BTRFS info (device loop0): using free space tree [ 109.892784][ T5189] BTRFS info (device loop0): has skinny extents [ 109.960318][ T5189] BTRFS info (device loop0): clearing free space tree [ 109.962283][ T5189] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 109.964986][ T5189] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 109.972463][ T5189] BTRFS info (device loop0): creating free space tree [ 109.974949][ T5189] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 109.977376][ T5189] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 109.987179][ T5189] FAULT_INJECTION: forcing a failure. [ 109.987179][ T5189] name failslab, interval 1, probability 0, space 0, times 0 [ 109.991002][ T5189] CPU: 0 PID: 5189 Comm: syz.0.20 Tainted: G W 5.15.186-syzkaller #0 [ 109.993599][ T5189] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 109.996321][ T5189] Call trace: [ 109.997220][ T5189] dump_backtrace+0x0/0x43c [ 109.998485][ T5189] show_stack+0x2c/0x3c [ 109.999662][ T5189] __dump_stack+0x30/0x40 [ 110.000834][ T5189] dump_stack_lvl+0xf8/0x160 [ 110.002123][ T5189] dump_stack+0x1c/0x5c [ 110.003281][ T5189] should_fail+0x3c0/0x51c [ 110.004480][ T5189] __should_failslab+0xbc/0x10c [ 110.005804][ T5189] should_failslab+0x10/0x28 [ 110.007021][ T5189] slab_pre_alloc_hook+0x64/0xec [ 110.008309][ T5189] kmem_cache_alloc+0x94/0x3e4 [ 110.009571][ T5189] btrfs_alloc_path+0x5c/0x68 [ 110.010852][ T5189] btrfs_insert_dir_item+0x16c/0x3b8 [ 110.012279][ T5189] btrfs_add_link+0x294/0xa68 [ 110.013542][ T5189] btrfs_create+0x45c/0x508 [ 110.014816][ T5189] path_openat+0x1144/0x26e4 [ 110.016073][ T5189] do_filp_open+0x164/0x330 [ 110.017317][ T5189] do_sys_openat2+0x128/0x3d8 [ 110.018570][ T5189] __arm64_sys_openat+0x120/0x154 [ 110.019972][ T5189] invoke_syscall+0x98/0x2b8 [ 110.021230][ T5189] el0_svc_common+0x138/0x258 [ 110.022495][ T5189] do_el0_svc+0x58/0x14c [ 110.023634][ T5189] el0_svc+0x78/0x1e0 [ 110.024750][ T5189] el0t_64_sync_handler+0xcc/0xe4 [ 110.026119][ T5189] el0t_64_sync+0x1a0/0x1a4 [ 110.028099][ T5189] ------------[ cut here ]------------ [ 110.030239][ T5189] WARNING: CPU: 0 PID: 5189 at fs/btrfs/inode.c:6761 btrfs_add_link+0x6e8/0xa68 [ 110.032558][ T5189] Modules linked in: [ 110.033567][ T5189] CPU: 0 PID: 5189 Comm: syz.0.20 Tainted: G W 5.15.186-syzkaller #0 [ 110.036081][ T5189] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 110.038694][ T5189] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 110.040759][ T5189] pc : btrfs_add_link+0x6e8/0xa68 [ 110.042118][ T5189] lr : btrfs_add_link+0x6e8/0xa68 [ 110.043444][ T5189] sp : ffff80001fe47580 [ 110.044547][ T5189] x29: ffff80001fe47680 x28: ffff0000dcfbdbb0 x27: 0000000000000108 [ 110.046663][ T5189] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 110.048827][ T5189] x23: 0000000000000014 x22: 1fffe0001b9f7b81 x21: ffff700003fc8eb8 [ 110.050948][ T5189] x20: 00000000fffffff4 x19: ffff0000dcfbdc08 x18: 0000000000000001 [ 110.053104][ T5189] x17: 0000000000000000 x16: ffff8000083020fc x15: 00000000ffffffff [ 110.055233][ T5189] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 110.057346][ T5189] x11: 0000000000000000 x10: 0000000000000000 x9 : af8d492ee6a2cf00 [ 110.059534][ T5189] x8 : af8d492ee6a2cf00 x7 : 0000000000000001 x6 : 0000000000000001 [ 110.061692][ T5189] x5 : ffff80001fe46e78 x4 : ffff80001425f400 x3 : ffff80000830220c [ 110.063842][ T5189] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 110.066065][ T5189] Call trace: [ 110.066973][ T5189] btrfs_add_link+0x6e8/0xa68 [ 110.068183][ T5189] btrfs_create+0x45c/0x508 [ 110.069434][ T5189] path_openat+0x1144/0x26e4 [ 110.070674][ T5189] do_filp_open+0x164/0x330 [ 110.071907][ T5189] do_sys_openat2+0x128/0x3d8 [ 110.073174][ T5189] __arm64_sys_openat+0x120/0x154 [ 110.074542][ T5189] invoke_syscall+0x98/0x2b8 [ 110.075811][ T5189] el0_svc_common+0x138/0x258 [ 110.077117][ T5189] do_el0_svc+0x58/0x14c [ 110.078239][ T5189] el0_svc+0x78/0x1e0 [ 110.079314][ T5189] el0t_64_sync_handler+0xcc/0xe4 [ 110.080658][ T5189] el0t_64_sync+0x1a0/0x1a4 [ 110.081860][ T5189] irq event stamp: 82856 [ 110.083065][ T5189] hardirqs last enabled at (82855): [] __up_console_sem+0xb4/0x100 [ 110.085584][ T5189] hardirqs last disabled at (82856): [] el1_dbg+0x24/0x80 [ 110.087933][ T5189] softirqs last enabled at (82844): [] handle_softirqs+0xa4c/0xbf0 [ 110.090425][ T5189] softirqs last disabled at (82763): [] __irq_exit_rcu+0x240/0x440 [ 110.092952][ T5189] ---[ end trace 0035dc513b275e22 ]--- [ 110.094937][ T5189] BTRFS: error (device loop0) in btrfs_add_link:6761: errno=-12 Out of memory [ 110.097271][ T5189] BTRFS info (device loop0): forced readonly [ 110.463815][ T5210] loop0: detected capacity change from 0 to 32768 [ 110.520451][ T5210] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.21 (5210) [ 110.536901][ T5210] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 110.541512][ T5210] BTRFS info (device loop0): setting nodatacow, compression disabled [ 110.543788][ T5210] BTRFS info (device loop0): setting datacow [ 110.545440][ T5210] BTRFS info (device loop0): doing ref verification [ 110.547261][ T5210] BTRFS info (device loop0): force clearing of disk cache [ 110.551502][ T5210] BTRFS info (device loop0): turning off barriers [ 110.612556][ T5210] FAULT_INJECTION: forcing a failure. [ 110.612556][ T5210] name failslab, interval 1, probability 0, space 0, times 0 [ 110.616275][ T5210] CPU: 1 PID: 5210 Comm: syz.0.21 Tainted: G W 5.15.186-syzkaller #0 [ 110.618772][ T5210] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 110.621588][ T5210] Call trace: [ 110.622492][ T5210] dump_backtrace+0x0/0x43c [ 110.623712][ T5210] show_stack+0x2c/0x3c [ 110.624858][ T5210] __dump_stack+0x30/0x40 [ 110.626034][ T5210] dump_stack_lvl+0xf8/0x160 [ 110.627345][ T5210] dump_stack+0x1c/0x5c [ 110.628489][ T5210] should_fail+0x3c0/0x51c [ 110.629699][ T5210] __should_failslab+0xbc/0x10c [ 110.631039][ T5210] should_failslab+0x10/0x28 [ 110.632273][ T5210] slab_pre_alloc_hook+0x64/0xec [ 110.633636][ T5210] kmem_cache_alloc+0x94/0x3e4 [ 110.635039][ T5210] btrfs_get_or_create_delayed_node+0x128/0x4c8 [ 110.636753][ T5210] btrfs_delayed_update_inode+0x3c/0x1b7c [ 110.638293][ T5210] btrfs_update_inode+0x210/0x3d4 [ 110.639682][ T5210] btrfs_create+0x360/0x508 [ 110.640961][ T5210] path_openat+0x1144/0x26e4 [ 110.642250][ T5210] do_filp_open+0x164/0x330 [ 110.643483][ T5210] do_sys_openat2+0x128/0x3d8 [ 110.644756][ T5210] __arm64_sys_openat+0x120/0x154 [ 110.646132][ T5210] invoke_syscall+0x98/0x2b8 [ 110.647402][ T5210] el0_svc_common+0x138/0x258 [ 110.648750][ T5210] do_el0_svc+0x58/0x14c [ 110.649901][ T5210] el0_svc+0x78/0x1e0 [ 110.650979][ T5210] el0t_64_sync_handler+0xcc/0xe4 [ 110.652364][ T5210] el0t_64_sync+0x1a0/0x1a4 [ 110.951805][ T5232] loop0: detected capacity change from 0 to 32768 [ 110.981582][ T5232] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.22 (5232) [ 111.093336][ T5232] FAULT_INJECTION: forcing a failure. [ 111.093336][ T5232] name failslab, interval 1, probability 0, space 0, times 0 [ 111.096753][ T5232] CPU: 1 PID: 5232 Comm: syz.0.22 Tainted: G W 5.15.186-syzkaller #0 [ 111.099287][ T5232] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 111.102013][ T5232] Call trace: [ 111.102894][ T5232] dump_backtrace+0x0/0x43c [ 111.104124][ T5232] show_stack+0x2c/0x3c [ 111.105271][ T5232] __dump_stack+0x30/0x40 [ 111.106400][ T5232] dump_stack_lvl+0xf8/0x160 [ 111.107660][ T5232] dump_stack+0x1c/0x5c [ 111.108779][ T5232] should_fail+0x3c0/0x51c [ 111.110015][ T5232] __should_failslab+0xbc/0x10c [ 111.111327][ T5232] should_failslab+0x10/0x28 [ 111.112563][ T5232] slab_pre_alloc_hook+0x64/0xec [ 111.113880][ T5232] __kmalloc_node+0xb8/0x520 [ 111.115091][ T5232] memcg_alloc_page_obj_cgroups+0x80/0x174 [ 111.116643][ T5232] new_slab+0x114/0x55c [ 111.117772][ T5232] ___slab_alloc+0x6c0/0xda8 [ 111.119006][ T5232] __slab_alloc+0x68/0xc0 [ 111.120168][ T5232] kmem_cache_alloc+0x2ac/0x3e4 [ 111.121440][ T5232] btrfs_alloc_inode+0x54/0x3ac [ 111.122722][ T5232] new_inode_pseudo+0x68/0x1fc [ 111.124007][ T5232] new_inode+0x38/0x174 [ 111.125124][ T5232] btrfs_new_inode+0x148/0x1538 [ 111.126440][ T5232] btrfs_create+0x248/0x508 [ 111.127678][ T5232] path_openat+0x1144/0x26e4 [ 111.129005][ T5232] do_filp_open+0x164/0x330 [ 111.130238][ T5232] do_sys_openat2+0x128/0x3d8 [ 111.131542][ T5232] __arm64_sys_openat+0x120/0x154 [ 111.132923][ T5232] invoke_syscall+0x98/0x2b8 [ 111.134145][ T5232] el0_svc_common+0x138/0x258 [ 111.135339][ T5232] do_el0_svc+0x58/0x14c [ 111.136450][ T5232] el0_svc+0x78/0x1e0 [ 111.137550][ T5232] el0t_64_sync_handler+0xcc/0xe4 [ 111.138949][ T5232] el0t_64_sync+0x1a0/0x1a4 [ 111.296428][ T4505] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 12 /dev/loop0 scanned by udevd (4505) [ 111.466775][ T5253] loop0: detected capacity change from 0 to 32768 [ 111.549489][ T5253] FAULT_INJECTION: forcing a failure. [ 111.549489][ T5253] name failslab, interval 1, probability 0, space 0, times 0 [ 111.552986][ T5253] CPU: 0 PID: 5253 Comm: syz.0.23 Tainted: G W 5.15.186-syzkaller #0 [ 111.555508][ T5253] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 111.558051][ T5253] Call trace: [ 111.558951][ T5253] dump_backtrace+0x0/0x43c [ 111.560114][ T5253] show_stack+0x2c/0x3c [ 111.561244][ T5253] __dump_stack+0x30/0x40 [ 111.562474][ T5253] dump_stack_lvl+0xf8/0x160 [ 111.563733][ T5253] dump_stack+0x1c/0x5c [ 111.564840][ T5253] should_fail+0x3c0/0x51c [ 111.566048][ T5253] __should_failslab+0xbc/0x10c [ 111.567339][ T5253] should_failslab+0x10/0x28 [ 111.568530][ T5253] slab_pre_alloc_hook+0x64/0xec [ 111.569862][ T5253] kmem_cache_alloc+0x94/0x3e4 [ 111.571164][ T5253] btrfs_alloc_path+0x5c/0x68 [ 111.572432][ T5253] btrfs_insert_dir_item+0x16c/0x3b8 [ 111.573857][ T5253] btrfs_add_link+0x294/0xa68 [ 111.575034][ T5253] btrfs_create+0x45c/0x508 [ 111.576247][ T5253] path_openat+0x1144/0x26e4 [ 111.577388][ T5253] do_filp_open+0x164/0x330 [ 111.578539][ T5253] do_sys_openat2+0x128/0x3d8 [ 111.579827][ T5253] __arm64_sys_openat+0x120/0x154 [ 111.581112][ T5253] invoke_syscall+0x98/0x2b8 [ 111.582309][ T5253] el0_svc_common+0x138/0x258 [ 111.583557][ T5253] do_el0_svc+0x58/0x14c [ 111.584634][ T5253] el0_svc+0x78/0x1e0 [ 111.585687][ T5253] el0t_64_sync_handler+0xcc/0xe4 [ 111.587117][ T5253] el0t_64_sync+0x1a0/0x1a4 [ 111.591916][ T5253] ------------[ cut here ]------------ [ 111.593606][ T5253] WARNING: CPU: 0 PID: 5253 at fs/btrfs/inode.c:6761 btrfs_add_link+0x6e8/0xa68 [ 111.596005][ T5253] Modules linked in: [ 111.597004][ T5253] CPU: 0 PID: 5253 Comm: syz.0.23 Tainted: G W 5.15.186-syzkaller #0 [ 111.599618][ T5253] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 111.602430][ T5253] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 111.604656][ T5253] pc : btrfs_add_link+0x6e8/0xa68 [ 111.606076][ T5253] lr : btrfs_add_link+0x6e8/0xa68 [ 111.607439][ T5253] sp : ffff800020407580 [ 111.608563][ T5253] x29: ffff800020407680 x28: ffff0000dcfbdd10 x27: 0000000000000108 [ 111.610713][ T5253] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 111.612839][ T5253] x23: 0000000000000014 x22: 1fffe0001b9f7bad x21: ffff700004080eb8 [ 111.615115][ T5253] x20: 00000000fffffff4 x19: ffff0000dcfbdd68 x18: 0000000000000001 [ 111.617345][ T5253] x17: 0000000000000000 x16: ffff8000111cf35c x15: 00000000ffffffff [ 111.619523][ T5253] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 111.621725][ T5253] x11: 0000000000000000 x10: 0000000000000000 x9 : afef464821030a00 [ 111.623945][ T5253] x8 : afef464821030a00 x7 : 0000000000000001 x6 : 0000000000000001 [ 111.626072][ T5253] x5 : ffff800020406e78 x4 : ffff80001425f400 x3 : ffff800008505198 [ 111.628233][ T5253] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 111.630452][ T5253] Call trace: [ 111.631321][ T5253] btrfs_add_link+0x6e8/0xa68 [ 111.632610][ T5253] btrfs_create+0x45c/0x508 [ 111.633804][ T5253] path_openat+0x1144/0x26e4 [ 111.635068][ T5253] do_filp_open+0x164/0x330 [ 111.636369][ T5253] do_sys_openat2+0x128/0x3d8 [ 111.637586][ T5253] __arm64_sys_openat+0x120/0x154 [ 111.638958][ T5253] invoke_syscall+0x98/0x2b8 [ 111.640246][ T5253] el0_svc_common+0x138/0x258 [ 111.641510][ T5253] do_el0_svc+0x58/0x14c [ 111.642691][ T5253] el0_svc+0x78/0x1e0 [ 111.643838][ T5253] el0t_64_sync_handler+0xcc/0xe4 [ 111.645253][ T5253] el0t_64_sync+0x1a0/0x1a4 [ 111.646488][ T5253] irq event stamp: 81712 [ 111.647590][ T5253] hardirqs last enabled at (81711): [] __up_console_sem+0xb4/0x100 [ 111.650227][ T5253] hardirqs last disabled at (81712): [] el1_dbg+0x24/0x80 [ 111.652564][ T5253] softirqs last enabled at (81538): [] local_bh_enable+0x10/0x34 [ 111.655160][ T5253] softirqs last disabled at (81536): [] local_bh_disable+0x10/0x34 [ 111.657714][ T5253] ---[ end trace 0035dc513b275e23 ]--- [ 111.664154][ T5253] BTRFS: error (device loop0) in btrfs_add_link:6761: errno=-12 Out of memory [ 111.878595][ T4094] Bluetooth: hci0: command 0x0419 tx timeout [ 112.003670][ T5276] loop0: detected capacity change from 0 to 32768 [ 112.060530][ T5276] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.24 (5276) [ 112.068847][ T5276] btrfs_printk: 40 callbacks suppressed [ 112.068859][ T5276] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 112.072811][ T5276] BTRFS info (device loop0): setting nodatacow, compression disabled [ 112.075000][ T5276] BTRFS info (device loop0): setting datacow [ 112.076693][ T5276] BTRFS info (device loop0): doing ref verification [ 112.079372][ T5276] BTRFS info (device loop0): force clearing of disk cache [ 112.081396][ T5276] BTRFS info (device loop0): turning off barriers [ 112.083173][ T5276] BTRFS info (device loop0): use zlib compression, level 3 [ 112.085178][ T5276] BTRFS info (device loop0): using free space tree [ 112.086832][ T5276] BTRFS info (device loop0): has skinny extents [ 112.103943][ T5276] BTRFS info (device loop0): clearing free space tree [ 112.105845][ T5276] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 112.110232][ T5276] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 112.116888][ T5276] BTRFS info (device loop0): creating free space tree [ 112.121337][ T5276] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 112.123928][ T5276] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 112.132439][ T5276] FAULT_INJECTION: forcing a failure. [ 112.132439][ T5276] name failslab, interval 1, probability 0, space 0, times 0 [ 112.135767][ T5276] CPU: 0 PID: 5276 Comm: syz.0.24 Tainted: G W 5.15.186-syzkaller #0 [ 112.138295][ T5276] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 112.141002][ T5276] Call trace: [ 112.141883][ T5276] dump_backtrace+0x0/0x43c [ 112.143094][ T5276] show_stack+0x2c/0x3c [ 112.144204][ T5276] __dump_stack+0x30/0x40 [ 112.145377][ T5276] dump_stack_lvl+0xf8/0x160 [ 112.146583][ T5276] dump_stack+0x1c/0x5c [ 112.147760][ T5276] should_fail+0x3c0/0x51c [ 112.148950][ T5276] __should_failslab+0xbc/0x10c [ 112.150306][ T5276] should_failslab+0x10/0x28 [ 112.151570][ T5276] slab_pre_alloc_hook+0x64/0xec [ 112.152925][ T5276] kmem_cache_alloc+0x94/0x3e4 [ 112.154219][ T5276] security_inode_alloc+0x38/0x11c [ 112.155572][ T5276] inode_init_always+0x670/0xa84 [ 112.156981][ T5276] new_inode_pseudo+0x7c/0x1fc [ 112.158249][ T5276] new_inode+0x38/0x174 [ 112.159360][ T5276] btrfs_new_inode+0x148/0x1538 [ 112.160662][ T5276] btrfs_create+0x248/0x508 [ 112.161926][ T5276] path_openat+0x1144/0x26e4 [ 112.163110][ T5276] do_filp_open+0x164/0x330 [ 112.164379][ T5276] do_sys_openat2+0x128/0x3d8 [ 112.165682][ T5276] __arm64_sys_openat+0x120/0x154 [ 112.167027][ T5276] invoke_syscall+0x98/0x2b8 [ 112.168286][ T5276] el0_svc_common+0x138/0x258 [ 112.169561][ T5276] do_el0_svc+0x58/0x14c [ 112.170724][ T5276] el0_svc+0x78/0x1e0 [ 112.171814][ T5276] el0t_64_sync_handler+0xcc/0xe4 [ 112.173168][ T5276] el0t_64_sync+0x1a0/0x1a4 [ 112.481985][ T5299] loop0: detected capacity change from 0 to 32768 [ 112.569660][ T5299] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.25 (5299) [ 112.618974][ T5299] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 112.621404][ T5299] BTRFS info (device loop0): setting nodatacow, compression disabled [ 112.623697][ T5299] BTRFS info (device loop0): setting datacow [ 112.625429][ T5299] BTRFS info (device loop0): doing ref verification [ 112.627240][ T5299] BTRFS info (device loop0): force clearing of disk cache [ 112.630394][ T5299] BTRFS info (device loop0): turning off barriers [ 112.632331][ T5299] BTRFS info (device loop0): use zlib compression, level 3 [ 112.634396][ T5299] BTRFS info (device loop0): using free space tree [ 112.636174][ T5299] BTRFS info (device loop0): has skinny extents [ 112.653616][ T5299] BTRFS info (device loop0): clearing free space tree [ 112.655485][ T5299] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 112.658088][ T5299] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 112.664322][ T5299] BTRFS info (device loop0): creating free space tree [ 112.666814][ T5299] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 112.670116][ T5299] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 112.678011][ T5299] FAULT_INJECTION: forcing a failure. [ 112.678011][ T5299] name failslab, interval 1, probability 0, space 0, times 0 [ 112.682002][ T5299] CPU: 1 PID: 5299 Comm: syz.0.25 Tainted: G W 5.15.186-syzkaller #0 [ 112.684539][ T5299] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 112.687298][ T5299] Call trace: [ 112.688180][ T5299] dump_backtrace+0x0/0x43c [ 112.689436][ T5299] show_stack+0x2c/0x3c [ 112.690594][ T5299] __dump_stack+0x30/0x40 [ 112.691803][ T5299] dump_stack_lvl+0xf8/0x160 [ 112.693032][ T5299] dump_stack+0x1c/0x5c [ 112.694170][ T5299] should_fail+0x3c0/0x51c [ 112.695390][ T5299] __should_failslab+0xbc/0x10c [ 112.696755][ T5299] should_failslab+0x10/0x28 [ 112.698005][ T5299] slab_pre_alloc_hook+0x64/0xec [ 112.699347][ T5299] kmem_cache_alloc+0x94/0x3e4 [ 112.700672][ T5299] btrfs_get_or_create_delayed_node+0x128/0x4c8 [ 112.702431][ T5299] btrfs_delayed_update_inode+0x3c/0x1b7c [ 112.704047][ T5299] btrfs_update_inode+0x210/0x3d4 [ 112.705502][ T5299] btrfs_create+0x360/0x508 [ 112.706781][ T5299] path_openat+0x1144/0x26e4 [ 112.708050][ T5299] do_filp_open+0x164/0x330 [ 112.709289][ T5299] do_sys_openat2+0x128/0x3d8 [ 112.710654][ T5299] __arm64_sys_openat+0x120/0x154 [ 112.712066][ T5299] invoke_syscall+0x98/0x2b8 [ 112.713358][ T5299] el0_svc_common+0x138/0x258 [ 112.714662][ T5299] do_el0_svc+0x58/0x14c [ 112.715850][ T5299] el0_svc+0x78/0x1e0 [ 112.716906][ T5299] el0t_64_sync_handler+0xcc/0xe4 [ 112.718278][ T5299] el0t_64_sync+0x1a0/0x1a4 [ 112.823224][ T4505] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 12 /dev/loop0 scanned by udevd (4505) [ 113.027331][ T5320] loop0: detected capacity change from 0 to 32768 [ 113.070352][ T5320] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 113.072947][ T5320] BTRFS info (device loop0): setting nodatacow, compression disabled [ 113.075261][ T5320] BTRFS info (device loop0): setting datacow [ 113.076919][ T5320] BTRFS info (device loop0): doing ref verification [ 113.080792][ T5320] BTRFS info (device loop0): force clearing of disk cache [ 113.085262][ T5320] BTRFS info (device loop0): turning off barriers [ 113.087101][ T5320] BTRFS info (device loop0): use zlib compression, level 3 [ 113.089911][ T5320] BTRFS info (device loop0): using free space tree [ 113.091648][ T5320] BTRFS info (device loop0): has skinny extents [ 113.109889][ T5320] BTRFS info (device loop0): clearing free space tree [ 113.111727][ T5320] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 113.114243][ T5320] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 113.120550][ T5320] BTRFS info (device loop0): creating free space tree [ 113.123091][ T5320] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 113.125725][ T5320] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 113.134093][ T5320] FAULT_INJECTION: forcing a failure. [ 113.134093][ T5320] name failslab, interval 1, probability 0, space 0, times 0 [ 113.137509][ T5320] CPU: 0 PID: 5320 Comm: syz.0.26 Tainted: G W 5.15.186-syzkaller #0 [ 113.140040][ T5320] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 113.142808][ T5320] Call trace: [ 113.143689][ T5320] dump_backtrace+0x0/0x43c [ 113.144950][ T5320] show_stack+0x2c/0x3c [ 113.146082][ T5320] __dump_stack+0x30/0x40 [ 113.147258][ T5320] dump_stack_lvl+0xf8/0x160 [ 113.148588][ T5320] dump_stack+0x1c/0x5c [ 113.149644][ T5320] should_fail+0x3c0/0x51c [ 113.150860][ T5320] __should_failslab+0xbc/0x10c [ 113.152160][ T5320] should_failslab+0x10/0x28 [ 113.153375][ T5320] slab_pre_alloc_hook+0x64/0xec [ 113.154753][ T5320] __kmalloc_node+0xb8/0x520 [ 113.156026][ T5320] memcg_alloc_page_obj_cgroups+0x80/0x174 [ 113.157620][ T5320] new_slab+0x114/0x55c [ 113.158758][ T5320] ___slab_alloc+0x6c0/0xda8 [ 113.159942][ T5320] __slab_alloc+0x68/0xc0 [ 113.161125][ T5320] kmem_cache_alloc+0x2ac/0x3e4 [ 113.162435][ T5320] btrfs_alloc_inode+0x54/0x3ac [ 113.163746][ T5320] new_inode_pseudo+0x68/0x1fc [ 113.164996][ T5320] new_inode+0x38/0x174 [ 113.166140][ T5320] btrfs_new_inode+0x148/0x1538 [ 113.167463][ T5320] btrfs_create+0x248/0x508 [ 113.168663][ T5320] path_openat+0x1144/0x26e4 [ 113.169890][ T5320] do_filp_open+0x164/0x330 [ 113.171120][ T5320] do_sys_openat2+0x128/0x3d8 [ 113.172409][ T5320] __arm64_sys_openat+0x120/0x154 [ 113.173767][ T5320] invoke_syscall+0x98/0x2b8 [ 113.175043][ T5320] el0_svc_common+0x138/0x258 [ 113.176309][ T5320] do_el0_svc+0x58/0x14c [ 113.177480][ T5320] el0_svc+0x78/0x1e0 [ 113.178520][ T5320] el0t_64_sync_handler+0xcc/0xe4 [ 113.179937][ T5320] el0t_64_sync+0x1a0/0x1a4 [ 113.492640][ T5343] loop0: detected capacity change from 0 to 32768 [ 113.540741][ T5343] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.27 (5343) [ 113.588884][ T5343] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 113.591513][ T5343] BTRFS info (device loop0): setting nodatacow, compression disabled [ 113.593763][ T5343] BTRFS info (device loop0): setting datacow [ 113.595403][ T5343] BTRFS info (device loop0): doing ref verification [ 113.597071][ T5343] BTRFS info (device loop0): force clearing of disk cache [ 113.599498][ T5343] BTRFS info (device loop0): turning off barriers [ 113.601503][ T5343] BTRFS info (device loop0): use zlib compression, level 3 [ 113.603492][ T5343] BTRFS info (device loop0): using free space tree [ 113.605195][ T5343] BTRFS info (device loop0): has skinny extents [ 113.621768][ T5343] BTRFS info (device loop0): clearing free space tree [ 113.623675][ T5343] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 113.626381][ T5343] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 113.634089][ T5343] BTRFS info (device loop0): creating free space tree [ 113.636579][ T5343] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 113.639621][ T5343] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 113.651598][ T5343] FAULT_INJECTION: forcing a failure. [ 113.651598][ T5343] name failslab, interval 1, probability 0, space 0, times 0 [ 113.655035][ T5343] CPU: 1 PID: 5343 Comm: syz.0.27 Tainted: G W 5.15.186-syzkaller #0 [ 113.657544][ T5343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 113.660287][ T5343] Call trace: [ 113.661181][ T5343] dump_backtrace+0x0/0x43c [ 113.662398][ T5343] show_stack+0x2c/0x3c [ 113.663548][ T5343] __dump_stack+0x30/0x40 [ 113.664790][ T5343] dump_stack_lvl+0xf8/0x160 [ 113.666103][ T5343] dump_stack+0x1c/0x5c [ 113.667255][ T5343] should_fail+0x3c0/0x51c [ 113.668387][ T5343] __should_failslab+0xbc/0x10c [ 113.669712][ T5343] should_failslab+0x10/0x28 [ 113.671014][ T5343] slab_pre_alloc_hook+0x64/0xec [ 113.672354][ T5343] kmem_cache_alloc+0x94/0x3e4 [ 113.673626][ T5343] btrfs_alloc_path+0x5c/0x68 [ 113.674913][ T5343] btrfs_insert_dir_item+0x16c/0x3b8 [ 113.676367][ T5343] btrfs_add_link+0x294/0xa68 [ 113.677669][ T5343] btrfs_create+0x45c/0x508 [ 113.678873][ T5343] path_openat+0x1144/0x26e4 [ 113.680126][ T5343] do_filp_open+0x164/0x330 [ 113.681361][ T5343] do_sys_openat2+0x128/0x3d8 [ 113.682713][ T5343] __arm64_sys_openat+0x120/0x154 [ 113.684128][ T5343] invoke_syscall+0x98/0x2b8 [ 113.685321][ T5343] el0_svc_common+0x138/0x258 [ 113.686581][ T5343] do_el0_svc+0x58/0x14c [ 113.687695][ T5343] el0_svc+0x78/0x1e0 [ 113.688742][ T5343] el0t_64_sync_handler+0xcc/0xe4 [ 113.690110][ T5343] el0t_64_sync+0x1a0/0x1a4 [ 113.693684][ T5343] ------------[ cut here ]------------ [ 113.695448][ T5343] WARNING: CPU: 1 PID: 5343 at fs/btrfs/inode.c:6761 btrfs_add_link+0x6e8/0xa68 [ 113.697821][ T5343] Modules linked in: [ 113.698881][ T5343] CPU: 1 PID: 5343 Comm: syz.0.27 Tainted: G W 5.15.186-syzkaller #0 [ 113.701403][ T5343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 113.704092][ T5343] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 113.706096][ T5343] pc : btrfs_add_link+0x6e8/0xa68 [ 113.707448][ T5343] lr : btrfs_add_link+0x6e8/0xa68 [ 113.708785][ T5343] sp : ffff800020827580 [ 113.709862][ T5343] x29: ffff800020827680 x28: ffff0000de800b00 x27: 0000000000000108 [ 113.711989][ T5343] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 113.714139][ T5343] x23: 0000000000000014 x22: 1fffe0001bd0016b x21: ffff700004104eb8 [ 113.716323][ T5343] x20: 00000000fffffff4 x19: ffff0000de800b58 x18: 0000000000000001 [ 113.718533][ T5343] x17: 0000000000000000 x16: ffff8000111cf35c x15: 00000000ffffffff [ 113.720684][ T5343] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 113.722891][ T5343] x11: 0000000000000000 x10: 0000000000000000 x9 : 5c967f23fd75df00 [ 113.725032][ T5343] x8 : 5c967f23fd75df00 x7 : 0000000000000001 x6 : 0000000000000001 [ 113.727247][ T5343] x5 : ffff800020826e78 x4 : ffff80001425f400 x3 : ffff800008505198 [ 113.729395][ T5343] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 113.731605][ T5343] Call trace: [ 113.732467][ T5343] btrfs_add_link+0x6e8/0xa68 [ 113.733709][ T5343] btrfs_create+0x45c/0x508 [ 113.734945][ T5343] path_openat+0x1144/0x26e4 [ 113.736174][ T5343] do_filp_open+0x164/0x330 [ 113.737387][ T5343] do_sys_openat2+0x128/0x3d8 [ 113.738629][ T5343] __arm64_sys_openat+0x120/0x154 [ 113.740036][ T5343] invoke_syscall+0x98/0x2b8 [ 113.741333][ T5343] el0_svc_common+0x138/0x258 [ 113.742662][ T5343] do_el0_svc+0x58/0x14c [ 113.743814][ T5343] el0_svc+0x78/0x1e0 [ 113.744887][ T5343] el0t_64_sync_handler+0xcc/0xe4 [ 113.746210][ T5343] el0t_64_sync+0x1a0/0x1a4 [ 113.747437][ T5343] irq event stamp: 81946 [ 113.748576][ T5343] hardirqs last enabled at (81945): [] __up_console_sem+0xb4/0x100 [ 113.751195][ T5343] hardirqs last disabled at (81946): [] el1_dbg+0x24/0x80 [ 113.753496][ T5343] softirqs last enabled at (81926): [] handle_softirqs+0xa4c/0xbf0 [ 113.756083][ T5343] softirqs last disabled at (81909): [] __irq_exit_rcu+0x240/0x440 [ 113.758653][ T5343] ---[ end trace 0035dc513b275e24 ]--- [ 113.764559][ T5343] BTRFS: error (device loop0) in btrfs_add_link:6761: errno=-12 Out of memory [ 113.767000][ T5343] BTRFS info (device loop0): forced readonly 1970/01/01 00:01:53 executed programs: 15 [ 114.082031][ T5366] loop0: detected capacity change from 0 to 32768 [ 114.174619][ T5366] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.28 (5366) [ 114.181985][ T5366] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 114.184495][ T5366] BTRFS info (device loop0): setting nodatacow, compression disabled [ 114.186628][ T5366] BTRFS info (device loop0): setting datacow [ 114.188251][ T5366] BTRFS info (device loop0): doing ref verification [ 114.198518][ T5366] BTRFS info (device loop0): force clearing of disk cache [ 114.208806][ T5366] BTRFS info (device loop0): turning off barriers [ 114.210602][ T5366] BTRFS info (device loop0): use zlib compression, level 3 [ 114.212517][ T5366] BTRFS info (device loop0): using free space tree [ 114.214313][ T5366] BTRFS info (device loop0): has skinny extents [ 114.260599][ T5366] BTRFS info (device loop0): clearing free space tree [ 114.262715][ T5366] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 114.265424][ T5366] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 114.274101][ T5366] BTRFS info (device loop0): creating free space tree [ 114.277689][ T5366] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 114.280793][ T5366] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 114.289513][ T5366] FAULT_INJECTION: forcing a failure. [ 114.289513][ T5366] name failslab, interval 1, probability 0, space 0, times 0 [ 114.292974][ T5366] CPU: 1 PID: 5366 Comm: syz.0.28 Tainted: G W 5.15.186-syzkaller #0 [ 114.295447][ T5366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 114.298204][ T5366] Call trace: [ 114.299044][ T5366] dump_backtrace+0x0/0x43c [ 114.300289][ T5366] show_stack+0x2c/0x3c [ 114.301440][ T5366] __dump_stack+0x30/0x40 [ 114.302618][ T5366] dump_stack_lvl+0xf8/0x160 [ 114.303955][ T5366] dump_stack+0x1c/0x5c [ 114.305065][ T5366] should_fail+0x3c0/0x51c [ 114.306328][ T5366] __should_failslab+0xbc/0x10c [ 114.307644][ T5366] should_failslab+0x10/0x28 [ 114.308917][ T5366] slab_pre_alloc_hook+0x64/0xec [ 114.310219][ T5366] kmem_cache_alloc+0x94/0x3e4 [ 114.311485][ T5366] btrfs_alloc_path+0x5c/0x68 [ 114.312730][ T5366] btrfs_insert_dir_item+0x16c/0x3b8 [ 114.314181][ T5366] btrfs_add_link+0x294/0xa68 [ 114.315470][ T5366] btrfs_create+0x45c/0x508 [ 114.316720][ T5366] path_openat+0x1144/0x26e4 [ 114.317973][ T5366] do_filp_open+0x164/0x330 [ 114.319197][ T5366] do_sys_openat2+0x128/0x3d8 [ 114.320507][ T5366] __arm64_sys_openat+0x120/0x154 [ 114.321903][ T5366] invoke_syscall+0x98/0x2b8 [ 114.323173][ T5366] el0_svc_common+0x138/0x258 [ 114.324468][ T5366] do_el0_svc+0x58/0x14c [ 114.325587][ T5366] el0_svc+0x78/0x1e0 [ 114.326687][ T5366] el0t_64_sync_handler+0xcc/0xe4 [ 114.327997][ T5366] el0t_64_sync+0x1a0/0x1a4 [ 114.331112][ T5366] ------------[ cut here ]------------ [ 114.332893][ T5366] WARNING: CPU: 1 PID: 5366 at fs/btrfs/inode.c:6761 btrfs_add_link+0x6e8/0xa68 [ 114.335399][ T5366] Modules linked in: [ 114.336429][ T5366] CPU: 1 PID: 5366 Comm: syz.0.28 Tainted: G W 5.15.186-syzkaller #0 [ 114.338980][ T5366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 114.341744][ T5366] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 114.343874][ T5366] pc : btrfs_add_link+0x6e8/0xa68 [ 114.345202][ T5366] lr : btrfs_add_link+0x6e8/0xa68 [ 114.346585][ T5366] sp : ffff8000207b7580 [ 114.347750][ T5366] x29: ffff8000207b7680 x28: ffff0000de800dc0 x27: 0000000000000108 [ 114.349944][ T5366] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 114.352167][ T5366] x23: 0000000000000014 x22: 1fffe0001bd001c3 x21: ffff7000040f6eb8 [ 114.354349][ T5366] x20: 00000000fffffff4 x19: ffff0000de800e18 x18: 0000000000000001 [ 114.356611][ T5366] x17: 0000000000000000 x16: ffff8000111cf35c x15: 00000000ffffffff [ 114.358770][ T5366] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 114.360985][ T5366] x11: 0000000000000000 x10: 0000000000000000 x9 : 92f937351911f400 [ 114.363291][ T5366] x8 : 92f937351911f400 x7 : 0000000000000001 x6 : 0000000000000001 [ 114.365445][ T5366] x5 : ffff8000207b6e78 x4 : ffff80001425f400 x3 : ffff800008505198 [ 114.367644][ T5366] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 114.369877][ T5366] Call trace: [ 114.370818][ T5366] btrfs_add_link+0x6e8/0xa68 [ 114.372092][ T5366] btrfs_create+0x45c/0x508 [ 114.373318][ T5366] path_openat+0x1144/0x26e4 [ 114.374556][ T5366] do_filp_open+0x164/0x330 [ 114.375763][ T5366] do_sys_openat2+0x128/0x3d8 [ 114.377025][ T5366] __arm64_sys_openat+0x120/0x154 [ 114.378370][ T5366] invoke_syscall+0x98/0x2b8 [ 114.379595][ T5366] el0_svc_common+0x138/0x258 [ 114.380883][ T5366] do_el0_svc+0x58/0x14c [ 114.382035][ T5366] el0_svc+0x78/0x1e0 [ 114.383112][ T5366] el0t_64_sync_handler+0xcc/0xe4 [ 114.384425][ T5366] el0t_64_sync+0x1a0/0x1a4 [ 114.385618][ T5366] irq event stamp: 82846 [ 114.386728][ T5366] hardirqs last enabled at (82845): [] __up_console_sem+0xb4/0x100 [ 114.389326][ T5366] hardirqs last disabled at (82846): [] el1_dbg+0x24/0x80 [ 114.391732][ T5366] softirqs last enabled at (82826): [] handle_softirqs+0xa4c/0xbf0 [ 114.394260][ T5366] softirqs last disabled at (82805): [] __irq_exit_rcu+0x240/0x440 [ 114.396882][ T5366] ---[ end trace 0035dc513b275e25 ]--- [ 114.399852][ T5366] BTRFS: error (device loop0) in btrfs_add_link:6761: errno=-12 Out of memory [ 114.402363][ T5366] BTRFS info (device loop0): forced readonly [ 114.771939][ T5388] loop0: detected capacity change from 0 to 32768 [ 114.783140][ T5388] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.29 (5388) [ 114.798497][ T5388] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 114.800781][ T5388] BTRFS info (device loop0): setting nodatacow, compression disabled [ 114.803041][ T5388] BTRFS info (device loop0): setting datacow [ 114.804649][ T5388] BTRFS info (device loop0): doing ref verification [ 114.806404][ T5388] BTRFS info (device loop0): force clearing of disk cache [ 114.808283][ T5388] BTRFS info (device loop0): turning off barriers [ 114.830022][ T5388] BTRFS info (device loop0): use zlib compression, level 3 [ 114.832086][ T5388] BTRFS info (device loop0): using free space tree [ 114.833888][ T5388] BTRFS info (device loop0): has skinny extents [ 114.959959][ T5388] BTRFS info (device loop0): clearing free space tree [ 114.961986][ T5388] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 114.964602][ T5388] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 114.970658][ T5388] BTRFS info (device loop0): creating free space tree [ 114.973160][ T5388] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 114.975801][ T5388] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 114.996431][ T5388] FAULT_INJECTION: forcing a failure. [ 114.996431][ T5388] name failslab, interval 1, probability 0, space 0, times 0 [ 114.999980][ T5388] CPU: 0 PID: 5388 Comm: syz.0.29 Tainted: G W 5.15.186-syzkaller #0 [ 115.002546][ T5388] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 115.005169][ T5388] Call trace: [ 115.005999][ T5388] dump_backtrace+0x0/0x43c [ 115.007276][ T5388] show_stack+0x2c/0x3c [ 115.008336][ T5388] __dump_stack+0x30/0x40 [ 115.009455][ T5388] dump_stack_lvl+0xf8/0x160 [ 115.010701][ T5388] dump_stack+0x1c/0x5c [ 115.011826][ T5388] should_fail+0x3c0/0x51c [ 115.012924][ T5388] __should_failslab+0xbc/0x10c [ 115.014243][ T5388] should_failslab+0x10/0x28 [ 115.015431][ T5388] slab_pre_alloc_hook+0x64/0xec [ 115.016771][ T5388] kmem_cache_alloc+0x94/0x3e4 [ 115.018109][ T5388] btrfs_alloc_path+0x5c/0x68 [ 115.019377][ T5388] btrfs_insert_dir_item+0x16c/0x3b8 [ 115.020878][ T5388] btrfs_add_link+0x294/0xa68 [ 115.022157][ T5388] btrfs_create+0x45c/0x508 [ 115.023353][ T5388] path_openat+0x1144/0x26e4 [ 115.024584][ T5388] do_filp_open+0x164/0x330 [ 115.025742][ T5388] do_sys_openat2+0x128/0x3d8 [ 115.027027][ T5388] __arm64_sys_openat+0x120/0x154 [ 115.028409][ T5388] invoke_syscall+0x98/0x2b8 [ 115.029647][ T5388] el0_svc_common+0x138/0x258 [ 115.030928][ T5388] do_el0_svc+0x58/0x14c [ 115.032025][ T5388] el0_svc+0x78/0x1e0 [ 115.033166][ T5388] el0t_64_sync_handler+0xcc/0xe4 [ 115.034542][ T5388] el0t_64_sync+0x1a0/0x1a4 [ 115.040329][ T5388] ------------[ cut here ]------------ [ 115.042239][ T5388] WARNING: CPU: 1 PID: 5388 at fs/btrfs/inode.c:6761 btrfs_add_link+0x6e8/0xa68 [ 115.044637][ T5388] Modules linked in: [ 115.045725][ T5388] CPU: 1 PID: 5388 Comm: syz.0.29 Tainted: G W 5.15.186-syzkaller #0 [ 115.048259][ T5388] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 115.051024][ T5388] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 115.053201][ T5388] pc : btrfs_add_link+0x6e8/0xa68 [ 115.054564][ T5388] lr : btrfs_add_link+0x6e8/0xa68 [ 115.055952][ T5388] sp : ffff800020b87580 [ 115.057057][ T5388] x29: ffff800020b87680 x28: ffff0000dcde6840 x27: 0000000000000108 [ 115.059246][ T5388] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 115.061426][ T5388] x23: 0000000000000014 x22: 1fffe0001b9bcd13 x21: ffff700004170eb8 [ 115.063623][ T5388] x20: 00000000fffffff4 x19: ffff0000dcde6898 x18: 0000000000000001 [ 115.065695][ T5388] x17: 0000000000000000 x16: ffff8000111cf35c x15: 00000000ffffffff [ 115.067863][ T5388] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 115.069993][ T5388] x11: 0000000000000000 x10: 0000000000000000 x9 : 016f27c650089700 [ 115.072133][ T5388] x8 : 016f27c650089700 x7 : 0000000000000001 x6 : 0000000000000001 [ 115.074313][ T5388] x5 : ffff800020b86e78 x4 : ffff80001425f400 x3 : ffff800008505198 [ 115.076571][ T5388] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 115.078730][ T5388] Call trace: [ 115.079606][ T5388] btrfs_add_link+0x6e8/0xa68 [ 115.080854][ T5388] btrfs_create+0x45c/0x508 [ 115.082064][ T5388] path_openat+0x1144/0x26e4 [ 115.083331][ T5388] do_filp_open+0x164/0x330 [ 115.084609][ T5388] do_sys_openat2+0x128/0x3d8 [ 115.085838][ T5388] __arm64_sys_openat+0x120/0x154 [ 115.087130][ T5388] invoke_syscall+0x98/0x2b8 [ 115.088313][ T5388] el0_svc_common+0x138/0x258 [ 115.089579][ T5388] do_el0_svc+0x58/0x14c [ 115.090712][ T5388] el0_svc+0x78/0x1e0 [ 115.091824][ T5388] el0t_64_sync_handler+0xcc/0xe4 [ 115.093224][ T5388] el0t_64_sync+0x1a0/0x1a4 [ 115.094447][ T5388] irq event stamp: 81690 [ 115.095593][ T5388] hardirqs last enabled at (81689): [] __up_console_sem+0xb4/0x100 [ 115.098236][ T5388] hardirqs last disabled at (81690): [] el1_dbg+0x24/0x80 [ 115.100588][ T5388] softirqs last enabled at (81666): [] handle_softirqs+0xa4c/0xbf0 [ 115.103369][ T5388] softirqs last disabled at (81599): [] __irq_exit_rcu+0x240/0x440 [ 115.106079][ T5388] ---[ end trace 0035dc513b275e26 ]--- [ 115.163824][ T5388] BTRFS: error (device loop0) in btrfs_add_link:6761: errno=-12 Out of memory [ 115.170967][ T5388] BTRFS info (device loop0): forced readonly [ 115.590070][ T5410] loop0: detected capacity change from 0 to 32768 [ 115.653873][ T5410] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.30 (5410) [ 115.667172][ T5410] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 115.669579][ T5410] BTRFS info (device loop0): setting nodatacow, compression disabled [ 115.671755][ T5410] BTRFS info (device loop0): setting datacow [ 115.673351][ T5410] BTRFS info (device loop0): doing ref verification [ 115.675098][ T5410] BTRFS info (device loop0): force clearing of disk cache [ 115.677112][ T5410] BTRFS info (device loop0): turning off barriers [ 115.694267][ T5410] BTRFS info (device loop0): use zlib compression, level 3 [ 115.758631][ T5410] FAULT_INJECTION: forcing a failure. [ 115.758631][ T5410] name failslab, interval 1, probability 0, space 0, times 0 [ 115.762246][ T5410] CPU: 1 PID: 5410 Comm: syz.0.30 Tainted: G W 5.15.186-syzkaller #0 [ 115.764766][ T5410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 115.767407][ T5410] Call trace: [ 115.768288][ T5410] dump_backtrace+0x0/0x43c [ 115.769453][ T5410] show_stack+0x2c/0x3c [ 115.770617][ T5410] __dump_stack+0x30/0x40 [ 115.771822][ T5410] dump_stack_lvl+0xf8/0x160 [ 115.773081][ T5410] dump_stack+0x1c/0x5c [ 115.774280][ T5410] should_fail+0x3c0/0x51c [ 115.775574][ T5410] __should_failslab+0xbc/0x10c [ 115.777025][ T5410] should_failslab+0x10/0x28 [ 115.778357][ T5410] slab_pre_alloc_hook+0x64/0xec [ 115.779642][ T5410] kmem_cache_alloc+0x94/0x3e4 [ 115.780958][ T5410] btrfs_get_or_create_delayed_node+0x128/0x4c8 [ 115.782724][ T5410] btrfs_delayed_update_inode+0x3c/0x1b7c [ 115.784312][ T5410] btrfs_update_inode+0x210/0x3d4 [ 115.785720][ T5410] btrfs_create+0x360/0x508 [ 115.786948][ T5410] path_openat+0x1144/0x26e4 [ 115.788209][ T5410] do_filp_open+0x164/0x330 [ 115.789480][ T5410] do_sys_openat2+0x128/0x3d8 [ 115.790784][ T5410] __arm64_sys_openat+0x120/0x154 [ 115.792161][ T5410] invoke_syscall+0x98/0x2b8 [ 115.793429][ T5410] el0_svc_common+0x138/0x258 [ 115.794799][ T5410] do_el0_svc+0x58/0x14c [ 115.795983][ T5410] el0_svc+0x78/0x1e0 [ 115.797106][ T5410] el0t_64_sync_handler+0xcc/0xe4 [ 115.798451][ T5410] el0t_64_sync+0x1a0/0x1a4 [ 115.895180][ T4505] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 12 /dev/loop0 scanned by udevd (4505) [ 116.212775][ T5432] loop0: detected capacity change from 0 to 32768 [ 116.352974][ T5432] FAULT_INJECTION: forcing a failure. [ 116.352974][ T5432] name failslab, interval 1, probability 0, space 0, times 0 [ 116.356493][ T5432] CPU: 1 PID: 5432 Comm: syz.0.31 Tainted: G W 5.15.186-syzkaller #0 [ 116.359145][ T5432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 116.362010][ T5432] Call trace: [ 116.362870][ T5432] dump_backtrace+0x0/0x43c [ 116.364153][ T5432] show_stack+0x2c/0x3c [ 116.365294][ T5432] __dump_stack+0x30/0x40 [ 116.366510][ T5432] dump_stack_lvl+0xf8/0x160 [ 116.367782][ T5432] dump_stack+0x1c/0x5c [ 116.368900][ T5432] should_fail+0x3c0/0x51c [ 116.370079][ T5432] __should_failslab+0xbc/0x10c [ 116.371472][ T5432] should_failslab+0x10/0x28 [ 116.372696][ T5432] slab_pre_alloc_hook+0x64/0xec [ 116.374114][ T5432] kmem_cache_alloc+0x94/0x3e4 [ 116.375472][ T5432] btrfs_alloc_path+0x5c/0x68 [ 116.376857][ T5432] btrfs_insert_dir_item+0x16c/0x3b8 [ 116.378501][ T5432] btrfs_add_link+0x294/0xa68 [ 116.379842][ T5432] btrfs_create+0x45c/0x508 [ 116.381162][ T5432] path_openat+0x1144/0x26e4 [ 116.382441][ T5432] do_filp_open+0x164/0x330 [ 116.383716][ T5432] do_sys_openat2+0x128/0x3d8 [ 116.385118][ T5432] __arm64_sys_openat+0x120/0x154 [ 116.386579][ T5432] invoke_syscall+0x98/0x2b8 [ 116.387914][ T5432] el0_svc_common+0x138/0x258 [ 116.389203][ T5432] do_el0_svc+0x58/0x14c [ 116.390353][ T5432] el0_svc+0x78/0x1e0 [ 116.391493][ T5432] el0t_64_sync_handler+0xcc/0xe4 [ 116.392918][ T5432] el0t_64_sync+0x1a0/0x1a4 [ 116.396372][ T5432] ------------[ cut here ]------------ [ 116.398183][ T5432] WARNING: CPU: 1 PID: 5432 at fs/btrfs/inode.c:6761 btrfs_add_link+0x6e8/0xa68 [ 116.400797][ T5432] Modules linked in: [ 116.401906][ T5432] CPU: 1 PID: 5432 Comm: syz.0.31 Tainted: G W 5.15.186-syzkaller #0 [ 116.404493][ T5432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 116.407394][ T5432] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 116.409551][ T5432] pc : btrfs_add_link+0x6e8/0xa68 [ 116.410972][ T5432] lr : btrfs_add_link+0x6e8/0xa68 [ 116.412422][ T5432] sp : ffff800020f87580 [ 116.413582][ T5432] x29: ffff800020f87680 x28: ffff0000dcfba580 x27: 0000000000000108 [ 116.415810][ T5432] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 116.418064][ T5432] x23: 0000000000000014 x22: 1fffe0001b9f74bb x21: ffff7000041f0eb8 [ 116.420311][ T5432] x20: 00000000fffffff4 x19: ffff0000dcfba5d8 x18: 0000000000000001 [ 116.422613][ T5432] x17: 0000000000000000 x16: ffff8000111cf35c x15: 00000000ffffffff [ 116.424895][ T5432] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 116.427170][ T5432] x11: 0000000000000000 x10: 0000000000000000 x9 : aba9cf89083f6500 [ 116.429487][ T5432] x8 : aba9cf89083f6500 x7 : 0000000000000001 x6 : 0000000000000001 [ 116.431789][ T5432] x5 : ffff800020f86e78 x4 : ffff80001425f400 x3 : ffff800008505198 [ 116.434092][ T5432] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 116.436305][ T5432] Call trace: [ 116.437238][ T5432] btrfs_add_link+0x6e8/0xa68 [ 116.438579][ T5432] btrfs_create+0x45c/0x508 [ 116.439853][ T5432] path_openat+0x1144/0x26e4 [ 116.441129][ T5432] do_filp_open+0x164/0x330 [ 116.442390][ T5432] do_sys_openat2+0x128/0x3d8 [ 116.443662][ T5432] __arm64_sys_openat+0x120/0x154 [ 116.445080][ T5432] invoke_syscall+0x98/0x2b8 [ 116.446357][ T5432] el0_svc_common+0x138/0x258 [ 116.447682][ T5432] do_el0_svc+0x58/0x14c [ 116.448880][ T5432] el0_svc+0x78/0x1e0 [ 116.449996][ T5432] el0t_64_sync_handler+0xcc/0xe4 [ 116.451487][ T5432] el0t_64_sync+0x1a0/0x1a4 [ 116.452791][ T5432] irq event stamp: 82328 [ 116.453993][ T5432] hardirqs last enabled at (82327): [] __up_console_sem+0xb4/0x100 [ 116.456654][ T5432] hardirqs last disabled at (82328): [] el1_dbg+0x24/0x80 [ 116.459191][ T5432] softirqs last enabled at (82308): [] handle_softirqs+0xa4c/0xbf0 [ 116.462081][ T5432] softirqs last disabled at (82285): [] __irq_exit_rcu+0x240/0x440 [ 116.464699][ T5432] ---[ end trace 0035dc513b275e27 ]--- [ 116.467240][ T5432] BTRFS: error (device loop0) in btrfs_add_link:6761: errno=-12 Out of memory [ 116.761422][ T5454] loop0: detected capacity change from 0 to 32768 [ 116.849133][ T5454] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.32 (5454) [ 116.897377][ T5454] FAULT_INJECTION: forcing a failure. [ 116.897377][ T5454] name failslab, interval 1, probability 0, space 0, times 0 [ 116.902502][ T5454] CPU: 1 PID: 5454 Comm: syz.0.32 Tainted: G W 5.15.186-syzkaller #0 [ 116.905123][ T5454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 116.907863][ T5454] Call trace: [ 116.908732][ T5454] dump_backtrace+0x0/0x43c [ 116.910005][ T5454] show_stack+0x2c/0x3c [ 116.911155][ T5454] __dump_stack+0x30/0x40 [ 116.912329][ T5454] dump_stack_lvl+0xf8/0x160 [ 116.913610][ T5454] dump_stack+0x1c/0x5c [ 116.914756][ T5454] should_fail+0x3c0/0x51c [ 116.915965][ T5454] __should_failslab+0xbc/0x10c [ 116.917303][ T5454] should_failslab+0x10/0x28 [ 116.918632][ T5454] slab_pre_alloc_hook+0x64/0xec [ 116.920037][ T5454] kmem_cache_alloc+0x94/0x3e4 [ 116.921328][ T5454] btrfs_alloc_path+0x5c/0x68 [ 116.922629][ T5454] btrfs_insert_dir_item+0x16c/0x3b8 [ 116.924143][ T5454] btrfs_add_link+0x294/0xa68 [ 116.925427][ T5454] btrfs_create+0x45c/0x508 [ 116.926668][ T5454] path_openat+0x1144/0x26e4 [ 116.927945][ T5454] do_filp_open+0x164/0x330 [ 116.929228][ T5454] do_sys_openat2+0x128/0x3d8 [ 116.930536][ T5454] __arm64_sys_openat+0x120/0x154 [ 116.931964][ T5454] invoke_syscall+0x98/0x2b8 [ 116.933231][ T5454] el0_svc_common+0x138/0x258 [ 116.934551][ T5454] do_el0_svc+0x58/0x14c [ 116.935760][ T5454] el0_svc+0x78/0x1e0 [ 116.936834][ T5454] el0t_64_sync_handler+0xcc/0xe4 [ 116.938237][ T5454] el0t_64_sync+0x1a0/0x1a4 [ 116.942608][ T5454] ------------[ cut here ]------------ [ 116.944386][ T5454] WARNING: CPU: 1 PID: 5454 at fs/btrfs/inode.c:6761 btrfs_add_link+0x6e8/0xa68 [ 116.946862][ T5454] Modules linked in: [ 116.947987][ T5454] CPU: 1 PID: 5454 Comm: syz.0.32 Tainted: G W 5.15.186-syzkaller #0 [ 116.950550][ T5454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 116.953503][ T5454] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 116.955611][ T5454] pc : btrfs_add_link+0x6e8/0xa68 [ 116.956951][ T5454] lr : btrfs_add_link+0x6e8/0xa68 [ 116.958322][ T5454] sp : ffff8000210c7580 [ 116.959463][ T5454] x29: ffff8000210c7680 x28: ffff0000dcfba2c0 x27: 0000000000000108 [ 116.961767][ T5454] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 116.964012][ T5454] x23: 0000000000000014 x22: 1fffe0001b9f7463 x21: ffff700004218eb8 [ 116.966218][ T5454] x20: 00000000fffffff4 x19: ffff0000dcfba318 x18: 0000000000000001 [ 116.968432][ T5454] x17: 0000000000000000 x16: ffff8000111cf35c x15: 00000000ffffffff [ 116.970661][ T5454] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 116.972929][ T5454] x11: 0000000000000000 x10: 0000000000000000 x9 : b1a93fa6937db800 [ 116.975199][ T5454] x8 : b1a93fa6937db800 x7 : 0000000000000001 x6 : 0000000000000001 [ 116.977400][ T5454] x5 : ffff8000210c6e78 x4 : ffff80001425f400 x3 : ffff800008505198 [ 116.979574][ T5454] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 116.981830][ T5454] Call trace: [ 116.982696][ T5454] btrfs_add_link+0x6e8/0xa68 [ 116.984064][ T5454] btrfs_create+0x45c/0x508 [ 116.985306][ T5454] path_openat+0x1144/0x26e4 [ 116.986490][ T5454] do_filp_open+0x164/0x330 [ 116.987805][ T5454] do_sys_openat2+0x128/0x3d8 [ 116.989072][ T5454] __arm64_sys_openat+0x120/0x154 [ 116.990499][ T5454] invoke_syscall+0x98/0x2b8 [ 116.991709][ T5454] el0_svc_common+0x138/0x258 [ 116.993041][ T5454] do_el0_svc+0x58/0x14c [ 116.994211][ T5454] el0_svc+0x78/0x1e0 [ 116.995319][ T5454] el0t_64_sync_handler+0xcc/0xe4 [ 116.996638][ T5454] el0t_64_sync+0x1a0/0x1a4 [ 116.997884][ T5454] irq event stamp: 82136 [ 116.999019][ T5454] hardirqs last enabled at (82135): [] __up_console_sem+0xb4/0x100 [ 117.001603][ T5454] hardirqs last disabled at (82136): [] el1_dbg+0x24/0x80 [ 117.003948][ T5454] softirqs last enabled at (82116): [] handle_softirqs+0xa4c/0xbf0 [ 117.006488][ T5454] softirqs last disabled at (82051): [] __irq_exit_rcu+0x240/0x440 [ 117.009235][ T5454] ---[ end trace 0035dc513b275e28 ]--- [ 117.012553][ T5454] BTRFS: error (device loop0) in btrfs_add_link:6761: errno=-12 Out of memory