Warning: Permanently added '10.128.0.61' (ED25519) to the list of known hosts. 1970/01/01 00:01:07 ignoring optional flag "type"="gce" 1970/01/01 00:01:08 parsed 1 programs [ 69.351700][ T4417] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 69.600399][ T2064] ieee802154 phy0 wpan0: encryption failed: -22 [ 69.601506][ T2064] ieee802154 phy1 wpan1: encryption failed: -22 [ 69.609876][ T7] cfg80211: failed to load regulatory.db [ 70.406605][ T1605] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 70.407927][ T1605] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 70.409945][ T372] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 70.416826][ T372] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 70.418035][ T372] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 70.419848][ T372] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 71.090162][ T4522] chnl_net:caif_netlink_parms(): no params data found [ 71.111893][ T4522] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.113085][ T4522] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.114510][ T4522] device bridge_slave_0 entered promiscuous mode [ 71.116390][ T4522] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.117655][ T4522] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.119061][ T4522] device bridge_slave_1 entered promiscuous mode [ 71.126981][ T4522] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.130163][ T4522] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.137965][ T4522] team0: Port device team_slave_0 added [ 71.140879][ T4522] team0: Port device team_slave_1 added [ 71.147987][ T4522] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 71.149540][ T4522] 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. [ 71.153330][ T4522] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 71.155590][ T4522] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 71.156606][ T4522] 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. [ 71.160759][ T4522] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 71.220328][ T4522] device hsr_slave_0 entered promiscuous mode [ 71.279364][ T4522] device hsr_slave_1 entered promiscuous mode [ 71.973743][ T4522] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 72.010957][ T4522] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 72.030291][ T4522] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 72.079821][ T4522] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 72.182124][ T4522] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.190666][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 72.192169][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.200548][ T4522] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.206867][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.208521][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.211168][ T148] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.212316][ T148] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.214128][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 72.219611][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.221337][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.222648][ T148] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.223784][ T148] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.225152][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 72.233082][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 72.234763][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 72.236416][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 72.237875][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 72.241083][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 72.242671][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 72.244124][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 72.245612][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 72.250372][ T4522] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 72.252776][ T4522] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 72.255610][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 72.257205][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 72.298691][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 72.300467][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 72.303723][ T4522] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 72.320694][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 72.322156][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 72.329812][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 72.331359][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 72.333213][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 72.334556][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 72.338330][ T4522] device veth0_vlan entered promiscuous mode [ 72.343931][ T4522] device veth1_vlan entered promiscuous mode [ 72.362707][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 72.364175][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 72.365551][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 72.366929][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 72.370205][ T4522] device veth0_macvtap entered promiscuous mode [ 72.372833][ T4522] device veth1_macvtap entered promiscuous mode [ 72.377704][ T4522] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 72.380132][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 72.381674][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 72.383034][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 72.384536][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 72.386949][ T4522] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 72.388282][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 72.389972][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 72.393116][ T4522] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.394534][ T4522] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.395856][ T4522] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.397243][ T4522] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:01:12 executed programs: 0 [ 72.539045][ T4658] chnl_net:caif_netlink_parms(): no params data found [ 72.559974][ T4658] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.561307][ T4658] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.562870][ T4658] device bridge_slave_0 entered promiscuous mode [ 72.569306][ T4658] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.571747][ T4658] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.573283][ T4658] device bridge_slave_1 entered promiscuous mode [ 72.581774][ T4658] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 72.584320][ T4658] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 72.598894][ T4658] team0: Port device team_slave_0 added [ 72.602004][ T4658] team0: Port device team_slave_1 added [ 72.608541][ T4658] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 72.611138][ T4658] 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. [ 72.615024][ T4658] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 72.617748][ T4658] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 72.618793][ T4658] 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. [ 72.623174][ T4658] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 72.661984][ T4658] device hsr_slave_0 entered promiscuous mode [ 72.699464][ T4658] device hsr_slave_1 entered promiscuous mode [ 72.719854][ T4658] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 72.721084][ T4658] Cannot create hsr debugfs directory [ 72.749064][ T4658] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 74.569499][ T4106] Bluetooth: hci0: command 0x0409 tx timeout [ 75.891991][ T4658] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 76.649278][ T4106] Bluetooth: hci0: command 0x041b tx timeout [ 78.223040][ T4658] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 78.274668][ T4658] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 78.609490][ T4658] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 78.670265][ T4658] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 78.710475][ T4658] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 78.719150][ T4631] Bluetooth: hci0: command 0x040f tx timeout [ 78.765508][ T4658] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 78.831815][ T4658] 8021q: adding VLAN 0 to HW filter on device bond0 [ 78.836063][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 78.837532][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 78.840630][ T4658] 8021q: adding VLAN 0 to HW filter on device team0 [ 78.843005][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 78.844454][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 78.845971][ T148] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.847112][ T148] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.848533][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 78.852063][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 78.853682][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 78.855178][ T148] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.856341][ T148] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.858868][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 78.861939][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 78.864524][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 78.866548][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 78.868052][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 78.872253][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 78.873895][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 78.876502][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 78.877968][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 78.882663][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 78.884252][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 78.886206][ T4658] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 78.926964][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 78.928182][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 78.935773][ T4658] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 78.942084][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 78.943754][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 78.950499][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 78.951941][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 78.954092][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 78.955414][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 78.957249][ T4658] device veth0_vlan entered promiscuous mode [ 78.961662][ T4658] device veth1_vlan entered promiscuous mode [ 78.968201][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 78.970571][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 78.971985][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 78.973412][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 78.978661][ T4658] device veth0_macvtap entered promiscuous mode [ 78.982457][ T4658] device veth1_macvtap entered promiscuous mode [ 78.987228][ T4658] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 78.988749][ T4658] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 78.991083][ T4658] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 78.992294][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 78.993862][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 78.995319][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 78.996783][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 78.999545][ T4658] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 79.001146][ T4658] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 79.003061][ T4658] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 79.007696][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 79.009398][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 79.011906][ T4658] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.013214][ T4658] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.014521][ T4658] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.015742][ T4658] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.037490][ T148] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 79.038716][ T148] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 79.042026][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 79.049011][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 79.050426][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 79.052012][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:01:19 executed programs: 2 [ 79.165926][ T4909] loop0: detected capacity change from 0 to 32768 [ 79.248490][ T4909] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.15 (4909) [ 79.258140][ T4909] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 79.260106][ T4909] BTRFS info (device loop0): setting nodatacow, compression disabled [ 79.261478][ T4909] BTRFS info (device loop0): setting datacow [ 79.262459][ T4909] BTRFS info (device loop0): doing ref verification [ 79.263440][ T4909] BTRFS info (device loop0): force clearing of disk cache [ 79.264524][ T4909] BTRFS info (device loop0): turning off barriers [ 79.265566][ T4909] BTRFS info (device loop0): use zlib compression, level 3 [ 79.266685][ T4909] BTRFS info (device loop0): using free space tree [ 79.268095][ T4909] BTRFS info (device loop0): has skinny extents [ 79.281343][ T4909] BTRFS info (device loop0): clearing free space tree [ 79.282625][ T4909] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 79.284164][ T4909] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 79.294589][ T4909] BTRFS info (device loop0): creating free space tree [ 79.296492][ T4909] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 79.298003][ T4909] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 79.306100][ T4909] FAULT_INJECTION: forcing a failure. [ 79.306100][ T4909] name failslab, interval 1, probability 0, space 0, times 1 [ 79.308219][ T4909] CPU: 1 PID: 4909 Comm: syz.0.15 Not tainted syzkaller #0 [ 79.309342][ T4909] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.310940][ T4909] Call trace: [ 79.311444][ T4909] dump_backtrace+0x0/0x43c [ 79.312137][ T4909] show_stack+0x2c/0x3c [ 79.312787][ T4909] __dump_stack+0x30/0x40 [ 79.313436][ T4909] dump_stack_lvl+0xf8/0x160 [ 79.314154][ T4909] dump_stack+0x1c/0x5c [ 79.314824][ T4909] should_fail+0x3c0/0x51c [ 79.315513][ T4909] __should_failslab+0xbc/0x10c [ 79.316297][ T4909] should_failslab+0x10/0x28 [ 79.316951][ T4909] slab_pre_alloc_hook+0x64/0xec [ 79.317740][ T4909] kmem_cache_alloc+0x94/0x3e4 [ 79.318435][ T4909] btrfs_alloc_path+0x5c/0x68 [ 79.319168][ T4909] btrfs_insert_dir_item+0x16c/0x3b8 [ 79.319959][ T4909] btrfs_add_link+0x294/0xa68 [ 79.320624][ T4909] btrfs_create+0x45c/0x508 [ 79.321297][ T4909] path_openat+0x1144/0x26e4 [ 79.322039][ T4909] do_filp_open+0x164/0x330 [ 79.322709][ T4909] do_sys_openat2+0x128/0x3d8 [ 79.323444][ T4909] __arm64_sys_openat+0x120/0x154 [ 79.324190][ T4909] invoke_syscall+0x98/0x2b8 [ 79.324880][ T4909] el0_svc_common+0x138/0x258 [ 79.325598][ T4909] do_el0_svc+0x58/0x14c [ 79.326232][ T4909] el0_svc+0x78/0x1e0 [ 79.326820][ T4909] el0t_64_sync_handler+0xcc/0xe4 [ 79.327594][ T4909] el0t_64_sync+0x1a0/0x1a4 [ 79.330555][ T4909] ------------[ cut here ]------------ [ 79.331479][ T4909] WARNING: CPU: 1 PID: 4909 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 79.332890][ T4909] Modules linked in: [ 79.333495][ T4909] CPU: 1 PID: 4909 Comm: syz.0.15 Not tainted syzkaller #0 [ 79.334559][ T4909] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.336069][ T4909] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.337217][ T4909] pc : btrfs_add_link+0x6e8/0xa68 [ 79.337949][ T4909] lr : btrfs_add_link+0x6e8/0xa68 [ 79.338641][ T4909] sp : ffff80001f817580 [ 79.339234][ T4909] x29: ffff80001f817680 x28: ffff0000def282c0 x27: 0000000000000108 [ 79.340380][ T4909] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 79.341841][ T4909] x23: 0000000000000014 x22: 1fffe0001bde5063 x21: ffff700003f02eb8 [ 79.343159][ T4909] x20: 00000000fffffff4 x19: ffff0000def28318 x18: 0000000000000001 [ 79.344470][ T4909] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 79.345802][ T4909] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 79.347031][ T4909] x11: 0000000000000000 x10: 0000000000000000 x9 : ea922e7956453300 [ 79.348216][ T4909] x8 : ea922e7956453300 x7 : 0000000000000001 x6 : 0000000000000001 [ 79.349396][ T4909] x5 : ffff80001f816e78 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 79.350643][ T4909] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 79.351855][ T4909] Call trace: [ 79.352306][ T4909] btrfs_add_link+0x6e8/0xa68 [ 79.353023][ T4909] btrfs_create+0x45c/0x508 [ 79.353672][ T4909] path_openat+0x1144/0x26e4 [ 79.354343][ T4909] do_filp_open+0x164/0x330 [ 79.355008][ T4909] do_sys_openat2+0x128/0x3d8 [ 79.355652][ T4909] __arm64_sys_openat+0x120/0x154 [ 79.356448][ T4909] invoke_syscall+0x98/0x2b8 [ 79.357146][ T4909] el0_svc_common+0x138/0x258 [ 79.357820][ T4909] do_el0_svc+0x58/0x14c [ 79.358429][ T4909] el0_svc+0x78/0x1e0 [ 79.359164][ T4909] el0t_64_sync_handler+0xcc/0xe4 [ 79.359967][ T4909] el0t_64_sync+0x1a0/0x1a4 [ 79.360658][ T4909] irq event stamp: 82812 [ 79.361292][ T4909] hardirqs last enabled at (82811): [] __up_console_sem+0xb4/0x100 [ 79.362733][ T4909] hardirqs last disabled at (82812): [] el1_dbg+0x24/0x80 [ 79.364039][ T4909] softirqs last enabled at (82792): [] handle_softirqs+0xa4c/0xbf0 [ 79.365440][ T4909] softirqs last disabled at (82739): [] __irq_exit_rcu+0x240/0x440 [ 79.366786][ T4909] ---[ end trace e33b5072ba1647ba ]--- [ 79.371598][ T4909] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 79.373305][ T4909] BTRFS info (device loop0): forced readonly [ 79.521061][ T1605] device hsr_slave_0 left promiscuous mode [ 79.555788][ T4946] loop0: detected capacity change from 0 to 32768 [ 79.559448][ T1605] device hsr_slave_1 left promiscuous mode [ 79.639188][ T1605] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 79.640444][ T1605] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 79.642883][ T1605] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 79.643989][ T1605] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 79.645347][ T4946] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.16 (4946) [ 79.647584][ T1605] device bridge_slave_1 left promiscuous mode [ 79.648609][ T1605] bridge0: port 2(bridge_slave_1) entered disabled state [ 79.650177][ T4946] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 79.651665][ T4946] BTRFS info (device loop0): setting nodatacow, compression disabled [ 79.652906][ T4946] BTRFS info (device loop0): setting datacow [ 79.653770][ T4946] BTRFS info (device loop0): doing ref verification [ 79.654652][ T4946] BTRFS info (device loop0): force clearing of disk cache [ 79.655593][ T4946] BTRFS info (device loop0): turning off barriers [ 79.656549][ T4946] BTRFS info (device loop0): use zlib compression, level 3 [ 79.657480][ T4946] BTRFS info (device loop0): using free space tree [ 79.658379][ T4946] BTRFS info (device loop0): has skinny extents [ 79.667642][ T4946] BTRFS info (device loop0): clearing free space tree [ 79.668713][ T4946] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 79.670724][ T4946] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 79.674816][ T4946] BTRFS info (device loop0): creating free space tree [ 79.676125][ T4946] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 79.677772][ T4946] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 79.681790][ T1605] device bridge_slave_0 left promiscuous mode [ 79.682872][ T1605] bridge0: port 1(bridge_slave_0) entered disabled state [ 79.686462][ T4946] FAULT_INJECTION: forcing a failure. [ 79.686462][ T4946] name failslab, interval 1, probability 0, space 0, times 0 [ 79.688320][ T4946] CPU: 1 PID: 4946 Comm: syz.0.16 Tainted: G W syzkaller #0 [ 79.689672][ T4946] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.691241][ T4946] Call trace: [ 79.691742][ T4946] dump_backtrace+0x0/0x43c [ 79.692428][ T4946] show_stack+0x2c/0x3c [ 79.693093][ T4946] __dump_stack+0x30/0x40 [ 79.693793][ T4946] dump_stack_lvl+0xf8/0x160 [ 79.694518][ T4946] dump_stack+0x1c/0x5c [ 79.695167][ T4946] should_fail+0x3c0/0x51c [ 79.695806][ T4946] __should_failslab+0xbc/0x10c [ 79.696523][ T4946] should_failslab+0x10/0x28 [ 79.697237][ T4946] slab_pre_alloc_hook+0x64/0xec [ 79.697979][ T4946] kmem_cache_alloc+0x94/0x3e4 [ 79.698714][ T4946] btrfs_alloc_path+0x5c/0x68 [ 79.699442][ T4946] btrfs_insert_dir_item+0x16c/0x3b8 [ 79.700230][ T4946] btrfs_add_link+0x294/0xa68 [ 79.700895][ T4946] btrfs_create+0x45c/0x508 [ 79.701553][ T4946] path_openat+0x1144/0x26e4 [ 79.702254][ T4946] do_filp_open+0x164/0x330 [ 79.702872][ T4946] do_sys_openat2+0x128/0x3d8 [ 79.703578][ T4946] __arm64_sys_openat+0x120/0x154 [ 79.704308][ T4946] invoke_syscall+0x98/0x2b8 [ 79.704959][ T4946] el0_svc_common+0x138/0x258 [ 79.705647][ T4946] do_el0_svc+0x58/0x14c [ 79.706232][ T4946] el0_svc+0x78/0x1e0 [ 79.706803][ T4946] el0t_64_sync_handler+0xcc/0xe4 [ 79.707506][ T4946] el0t_64_sync+0x1a0/0x1a4 [ 79.710889][ T4946] ------------[ cut here ]------------ [ 79.711927][ T4946] WARNING: CPU: 0 PID: 4946 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 79.713240][ T4946] Modules linked in: [ 79.713829][ T4946] CPU: 0 PID: 4946 Comm: syz.0.16 Tainted: G W syzkaller #0 [ 79.715076][ T4946] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.716427][ T4946] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.717542][ T4946] pc : btrfs_add_link+0x6e8/0xa68 [ 79.718282][ T4946] lr : btrfs_add_link+0x6e8/0xa68 [ 79.719014][ T4946] sp : ffff80001fc47580 [ 79.719639][ T4946] x29: ffff80001fc47680 x28: ffff0000def28420 x27: 0000000000000108 [ 79.720830][ T4946] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 79.721997][ T4946] x23: 0000000000000014 x22: 1fffe0001bde508f x21: ffff700003f88eb8 [ 79.723147][ T4946] x20: 00000000fffffff4 x19: ffff0000def28478 x18: 0000000000000001 [ 79.724291][ T4946] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 79.725502][ T4946] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 79.726715][ T4946] x11: 0000000000000000 x10: 0000000000000000 x9 : ea32e87371ca3700 [ 79.727911][ T4946] x8 : ea32e87371ca3700 x7 : 0000000000000001 x6 : 0000000000000001 [ 79.729084][ T4946] x5 : ffff80001fc46e78 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 79.730398][ T4946] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 79.731738][ T4946] Call trace: [ 79.732255][ T4946] btrfs_add_link+0x6e8/0xa68 [ 79.732975][ T4946] btrfs_create+0x45c/0x508 [ 79.733681][ T4946] path_openat+0x1144/0x26e4 [ 79.734338][ T4946] do_filp_open+0x164/0x330 [ 79.734980][ T4946] do_sys_openat2+0x128/0x3d8 [ 79.735614][ T4946] __arm64_sys_openat+0x120/0x154 [ 79.736367][ T4946] invoke_syscall+0x98/0x2b8 [ 79.737095][ T4946] el0_svc_common+0x138/0x258 [ 79.737814][ T4946] do_el0_svc+0x58/0x14c [ 79.738522][ T4946] el0_svc+0x78/0x1e0 [ 79.739158][ T4946] el0t_64_sync_handler+0xcc/0xe4 [ 79.739850][ T4946] el0t_64_sync+0x1a0/0x1a4 [ 79.740524][ T4946] irq event stamp: 80774 [ 79.741129][ T4946] hardirqs last enabled at (80773): [] __up_console_sem+0xb4/0x100 [ 79.742710][ T4946] hardirqs last disabled at (80774): [] el1_dbg+0x24/0x80 [ 79.744044][ T4946] softirqs last enabled at (80754): [] handle_softirqs+0xa4c/0xbf0 [ 79.745494][ T4946] softirqs last disabled at (80719): [] __irq_exit_rcu+0x240/0x440 [ 79.746954][ T4946] ---[ end trace e33b5072ba1647bb ]--- [ 79.750036][ T4946] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 79.751406][ T4946] BTRFS info (device loop0): forced readonly [ 79.849220][ T1605] device veth1_macvtap left promiscuous mode [ 79.850198][ T1605] device veth0_macvtap left promiscuous mode [ 79.851117][ T1605] device veth1_vlan left promiscuous mode [ 79.852096][ T1605] device veth0_vlan left promiscuous mode [ 79.932319][ T4968] loop0: detected capacity change from 0 to 32768 [ 79.936538][ T4968] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.17 (4968) [ 79.941329][ T4968] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 79.942635][ T4968] BTRFS info (device loop0): setting nodatacow, compression disabled [ 79.943898][ T4968] BTRFS info (device loop0): setting datacow [ 79.944769][ T4968] BTRFS info (device loop0): doing ref verification [ 79.945751][ T4968] BTRFS info (device loop0): force clearing of disk cache [ 79.946797][ T4968] BTRFS info (device loop0): turning off barriers [ 79.947791][ T4968] BTRFS info (device loop0): use zlib compression, level 3 [ 79.949274][ T4968] BTRFS info (device loop0): using free space tree [ 79.950297][ T4968] BTRFS info (device loop0): has skinny extents [ 79.965523][ T1605] team0 (unregistering): Port device team_slave_1 removed [ 79.976980][ T4968] BTRFS info (device loop0): clearing free space tree [ 79.978195][ T4968] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 79.980250][ T4968] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 79.980763][ T1605] team0 (unregistering): Port device team_slave_0 removed [ 79.986015][ T4968] BTRFS info (device loop0): creating free space tree [ 79.987494][ T1605] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 79.987837][ T4968] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 79.992338][ T4968] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 79.996830][ T4968] FAULT_INJECTION: forcing a failure. [ 79.996830][ T4968] name failslab, interval 1, probability 0, space 0, times 0 [ 79.998833][ T4968] CPU: 0 PID: 4968 Comm: syz.0.17 Tainted: G W syzkaller #0 [ 80.000094][ T4968] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.001651][ T4968] Call trace: [ 80.002128][ T4968] dump_backtrace+0x0/0x43c [ 80.002786][ T4968] show_stack+0x2c/0x3c [ 80.003362][ T4968] __dump_stack+0x30/0x40 [ 80.004013][ T4968] dump_stack_lvl+0xf8/0x160 [ 80.004718][ T4968] dump_stack+0x1c/0x5c [ 80.005301][ T4968] should_fail+0x3c0/0x51c [ 80.005974][ T4968] __should_failslab+0xbc/0x10c [ 80.006680][ T4968] should_failslab+0x10/0x28 [ 80.007338][ T4968] slab_pre_alloc_hook+0x64/0xec [ 80.008022][ T4968] kmem_cache_alloc+0x94/0x3e4 [ 80.008753][ T4968] security_inode_alloc+0x38/0x11c [ 80.009483][ T4968] inode_init_always+0x670/0xa84 [ 80.010237][ T4968] new_inode_pseudo+0x7c/0x1fc [ 80.010908][ T4968] new_inode+0x38/0x174 [ 80.011468][ T4968] btrfs_new_inode+0x148/0x1538 [ 80.012196][ T4968] btrfs_create+0x248/0x508 [ 80.012846][ T4968] path_openat+0x1144/0x26e4 [ 80.013484][ T4968] do_filp_open+0x164/0x330 [ 80.014125][ T4968] do_sys_openat2+0x128/0x3d8 [ 80.014769][ T4968] __arm64_sys_openat+0x120/0x154 [ 80.015480][ T4968] invoke_syscall+0x98/0x2b8 [ 80.016111][ T4968] el0_svc_common+0x138/0x258 [ 80.016792][ T4968] do_el0_svc+0x58/0x14c [ 80.017409][ T4968] el0_svc+0x78/0x1e0 [ 80.017974][ T4968] el0t_64_sync_handler+0xcc/0xe4 [ 80.018705][ T4968] el0t_64_sync+0x1a0/0x1a4 [ 80.020853][ T1605] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 80.113101][ T1605] bond0 (unregistering): Released all slaves [ 80.208263][ T4989] loop0: detected capacity change from 0 to 32768 [ 80.236402][ T4989] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.18 (4989) [ 80.241703][ T4989] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 80.243123][ T4989] BTRFS info (device loop0): setting nodatacow, compression disabled [ 80.244343][ T4989] BTRFS info (device loop0): setting datacow [ 80.245166][ T4989] BTRFS info (device loop0): doing ref verification [ 80.246058][ T4989] BTRFS info (device loop0): force clearing of disk cache [ 80.247111][ T4989] BTRFS info (device loop0): turning off barriers [ 80.248053][ T4989] BTRFS info (device loop0): use zlib compression, level 3 [ 80.249218][ T4989] BTRFS info (device loop0): using free space tree [ 80.250205][ T4989] BTRFS info (device loop0): has skinny extents [ 80.263107][ T4989] BTRFS info (device loop0): clearing free space tree [ 80.264190][ T4989] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 80.265678][ T4989] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 80.270755][ T4989] BTRFS info (device loop0): creating free space tree [ 80.272318][ T4989] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 80.273825][ T4989] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 80.278681][ T4989] FAULT_INJECTION: forcing a failure. [ 80.278681][ T4989] name failslab, interval 1, probability 0, space 0, times 0 [ 80.281067][ T4989] CPU: 1 PID: 4989 Comm: syz.0.18 Tainted: G W syzkaller #0 [ 80.282390][ T4989] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.283769][ T4989] Call trace: [ 80.284206][ T4989] dump_backtrace+0x0/0x43c [ 80.284872][ T4989] show_stack+0x2c/0x3c [ 80.285453][ T4989] __dump_stack+0x30/0x40 [ 80.286097][ T4989] dump_stack_lvl+0xf8/0x160 [ 80.286845][ T4989] dump_stack+0x1c/0x5c [ 80.287476][ T4989] should_fail+0x3c0/0x51c [ 80.288117][ T4989] __should_failslab+0xbc/0x10c [ 80.288784][ T4989] should_failslab+0x10/0x28 [ 80.289436][ T4989] slab_pre_alloc_hook+0x64/0xec [ 80.290178][ T4989] kmem_cache_alloc+0x94/0x3e4 [ 80.290894][ T4989] btrfs_alloc_path+0x5c/0x68 [ 80.291557][ T4989] btrfs_insert_dir_item+0x16c/0x3b8 [ 80.292413][ T4989] btrfs_add_link+0x294/0xa68 [ 80.293087][ T4989] btrfs_create+0x45c/0x508 [ 80.293811][ T4989] path_openat+0x1144/0x26e4 [ 80.294556][ T4989] do_filp_open+0x164/0x330 [ 80.295208][ T4989] do_sys_openat2+0x128/0x3d8 [ 80.295879][ T4989] __arm64_sys_openat+0x120/0x154 [ 80.296615][ T4989] invoke_syscall+0x98/0x2b8 [ 80.297301][ T4989] el0_svc_common+0x138/0x258 [ 80.298012][ T4989] do_el0_svc+0x58/0x14c [ 80.298566][ T4989] el0_svc+0x78/0x1e0 [ 80.299160][ T4989] el0t_64_sync_handler+0xcc/0xe4 [ 80.299921][ T4989] el0t_64_sync+0x1a0/0x1a4 [ 80.302134][ T4989] ------------[ cut here ]------------ [ 80.303123][ T4989] WARNING: CPU: 1 PID: 4989 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 80.304432][ T4989] Modules linked in: [ 80.305001][ T4989] CPU: 1 PID: 4989 Comm: syz.0.18 Tainted: G W syzkaller #0 [ 80.306225][ T4989] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.307672][ T4989] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 80.308781][ T4989] pc : btrfs_add_link+0x6e8/0xa68 [ 80.309514][ T4989] lr : btrfs_add_link+0x6e8/0xa68 [ 80.310254][ T4989] sp : ffff80001fd77580 [ 80.310885][ T4989] x29: ffff80001fd77680 x28: ffff0000def286e0 x27: 0000000000000108 [ 80.312073][ T4989] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 80.313194][ T4989] x23: 0000000000000014 x22: 1fffe0001bde50e7 x21: ffff700003faeeb8 [ 80.314389][ T4989] x20: 00000000fffffff4 x19: ffff0000def28738 x18: 0000000000000001 [ 80.315587][ T4989] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 80.316721][ T4989] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 80.317852][ T4989] x11: 0000000000000000 x10: 0000000000000000 x9 : 6fe14180c5426c00 [ 80.318940][ T4989] x8 : 6fe14180c5426c00 x7 : 0000000000000001 x6 : 0000000000000001 [ 80.320113][ T4989] x5 : ffff80001fd76e78 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 80.321225][ T4989] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 80.322360][ T4989] Call trace: [ 80.322892][ T4989] btrfs_add_link+0x6e8/0xa68 [ 80.323604][ T4989] btrfs_create+0x45c/0x508 [ 80.324265][ T4989] path_openat+0x1144/0x26e4 [ 80.324922][ T4989] do_filp_open+0x164/0x330 [ 80.325584][ T4989] do_sys_openat2+0x128/0x3d8 [ 80.326341][ T4989] __arm64_sys_openat+0x120/0x154 [ 80.327086][ T4989] invoke_syscall+0x98/0x2b8 [ 80.327790][ T4989] el0_svc_common+0x138/0x258 [ 80.328447][ T4989] do_el0_svc+0x58/0x14c [ 80.329055][ T4989] el0_svc+0x78/0x1e0 [ 80.329645][ T4989] el0t_64_sync_handler+0xcc/0xe4 [ 80.330379][ T4989] el0t_64_sync+0x1a0/0x1a4 [ 80.331120][ T4989] irq event stamp: 80510 [ 80.331733][ T4989] hardirqs last enabled at (80509): [] __up_console_sem+0xb4/0x100 [ 80.333136][ T4989] hardirqs last disabled at (80510): [] el1_dbg+0x24/0x80 [ 80.334355][ T4989] softirqs last enabled at (80490): [] handle_softirqs+0xa4c/0xbf0 [ 80.335760][ T4989] softirqs last disabled at (80437): [] __irq_exit_rcu+0x240/0x440 [ 80.337181][ T4989] ---[ end trace e33b5072ba1647bc ]--- [ 80.341310][ T4989] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 80.342735][ T4989] BTRFS info (device loop0): forced readonly [ 80.524090][ T5011] loop0: detected capacity change from 0 to 32768 [ 80.570502][ T5011] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.19 (5011) [ 80.574045][ T5011] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 80.576077][ T5011] BTRFS info (device loop0): setting nodatacow, compression disabled [ 80.577332][ T5011] BTRFS info (device loop0): setting datacow [ 80.578195][ T5011] BTRFS info (device loop0): doing ref verification [ 80.584883][ T5011] BTRFS info (device loop0): force clearing of disk cache [ 80.586029][ T5011] BTRFS info (device loop0): turning off barriers [ 80.587108][ T5011] BTRFS info (device loop0): use zlib compression, level 3 [ 80.588148][ T5011] BTRFS info (device loop0): using free space tree [ 80.589024][ T5011] BTRFS info (device loop0): has skinny extents [ 80.597666][ T5011] BTRFS info (device loop0): clearing free space tree [ 80.598973][ T5011] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 80.600718][ T5011] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 80.604851][ T5011] BTRFS info (device loop0): creating free space tree [ 80.606343][ T5011] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 80.608032][ T5011] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 80.612631][ T5011] FAULT_INJECTION: forcing a failure. [ 80.612631][ T5011] name failslab, interval 1, probability 0, space 0, times 0 [ 80.614669][ T5011] CPU: 0 PID: 5011 Comm: syz.0.19 Tainted: G W syzkaller #0 [ 80.615967][ T5011] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.617404][ T5011] Call trace: [ 80.617858][ T5011] dump_backtrace+0x0/0x43c [ 80.618536][ T5011] show_stack+0x2c/0x3c [ 80.619164][ T5011] __dump_stack+0x30/0x40 [ 80.619796][ T5011] dump_stack_lvl+0xf8/0x160 [ 80.620428][ T5011] dump_stack+0x1c/0x5c [ 80.621109][ T5011] should_fail+0x3c0/0x51c [ 80.621723][ T5011] __should_failslab+0xbc/0x10c [ 80.622408][ T5011] should_failslab+0x10/0x28 [ 80.623072][ T5011] slab_pre_alloc_hook+0x64/0xec [ 80.623780][ T5011] kmem_cache_alloc+0x94/0x3e4 [ 80.624494][ T5011] btrfs_alloc_path+0x5c/0x68 [ 80.625162][ T5011] btrfs_insert_dir_item+0x16c/0x3b8 [ 80.625901][ T5011] btrfs_add_link+0x294/0xa68 [ 80.626650][ T5011] btrfs_create+0x45c/0x508 [ 80.627308][ T5011] path_openat+0x1144/0x26e4 [ 80.627984][ T5011] do_filp_open+0x164/0x330 [ 80.628684][ T5011] do_sys_openat2+0x128/0x3d8 [ 80.629337][ T5011] __arm64_sys_openat+0x120/0x154 [ 80.630027][ T5011] invoke_syscall+0x98/0x2b8 [ 80.630657][ T5011] el0_svc_common+0x138/0x258 [ 80.631413][ T5011] do_el0_svc+0x58/0x14c [ 80.632021][ T5011] el0_svc+0x78/0x1e0 [ 80.632581][ T5011] el0t_64_sync_handler+0xcc/0xe4 [ 80.633262][ T5011] el0t_64_sync+0x1a0/0x1a4 [ 80.634461][ T5011] ------------[ cut here ]------------ [ 80.635370][ T5011] WARNING: CPU: 0 PID: 5011 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 80.636632][ T5011] Modules linked in: [ 80.637167][ T5011] CPU: 0 PID: 5011 Comm: syz.0.19 Tainted: G W syzkaller #0 [ 80.638421][ T5011] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.639942][ T5011] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 80.641082][ T5011] pc : btrfs_add_link+0x6e8/0xa68 [ 80.641828][ T5011] lr : btrfs_add_link+0x6e8/0xa68 [ 80.642523][ T5011] sp : ffff800020097580 [ 80.643088][ T5011] x29: ffff800020097680 x28: ffff0000dee42790 x27: 0000000000000108 [ 80.644250][ T5011] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 80.645336][ T5011] x23: 0000000000000014 x22: 1fffe0001bdc84fd x21: ffff700004012eb8 [ 80.646459][ T5011] x20: 00000000fffffff4 x19: ffff0000dee427e8 x18: 0000000000000001 [ 80.647712][ T5011] x17: 0000000000000000 x16: ffff800008302164 x15: 00000000ffffffff [ 80.648835][ T5011] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 80.650000][ T5011] x11: 0000000000000000 x10: 0000000000000000 x9 : 8391d0e95aeb7600 [ 80.651243][ T5011] x8 : 8391d0e95aeb7600 x7 : 0000000000000001 x6 : 0000000000000001 [ 80.652444][ T5011] x5 : ffff800020096e78 x4 : ffff8000141ff5a0 x3 : ffff800008302274 [ 80.653669][ T5011] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 80.654837][ T5011] Call trace: [ 80.655328][ T5011] btrfs_add_link+0x6e8/0xa68 [ 80.656034][ T5011] btrfs_create+0x45c/0x508 [ 80.656715][ T5011] path_openat+0x1144/0x26e4 [ 80.657406][ T5011] do_filp_open+0x164/0x330 [ 80.658010][ T5011] do_sys_openat2+0x128/0x3d8 [ 80.658682][ T5011] __arm64_sys_openat+0x120/0x154 [ 80.659463][ T5011] invoke_syscall+0x98/0x2b8 [ 80.660156][ T5011] el0_svc_common+0x138/0x258 [ 80.660816][ T5011] do_el0_svc+0x58/0x14c [ 80.661452][ T5011] el0_svc+0x78/0x1e0 [ 80.662021][ T5011] el0t_64_sync_handler+0xcc/0xe4 [ 80.662771][ T5011] el0t_64_sync+0x1a0/0x1a4 [ 80.663416][ T5011] irq event stamp: 80628 [ 80.664028][ T5011] hardirqs last enabled at (80627): [] __up_console_sem+0xb4/0x100 [ 80.665375][ T5011] hardirqs last disabled at (80628): [] el1_dbg+0x24/0x80 [ 80.666627][ T5011] softirqs last enabled at (80608): [] handle_softirqs+0xa4c/0xbf0 [ 80.667980][ T5011] softirqs last disabled at (80585): [] __irq_exit_rcu+0x240/0x440 [ 80.669269][ T5011] ---[ end trace e33b5072ba1647bd ]--- [ 80.670266][ T5011] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 80.671640][ T5011] BTRFS info (device loop0): forced readonly [ 80.799179][ T4941] Bluetooth: hci0: command 0x0419 tx timeout [ 80.851256][ T5033] loop0: detected capacity change from 0 to 32768 [ 80.890392][ T5033] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.20 (5033) [ 80.898105][ T5033] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 80.900098][ T5033] BTRFS info (device loop0): setting nodatacow, compression disabled [ 80.901377][ T5033] BTRFS info (device loop0): setting datacow [ 80.902409][ T5033] BTRFS info (device loop0): doing ref verification [ 80.903459][ T5033] BTRFS info (device loop0): force clearing of disk cache [ 80.904557][ T5033] BTRFS info (device loop0): turning off barriers [ 80.905780][ T5033] BTRFS info (device loop0): use zlib compression, level 3 [ 80.907328][ T5033] BTRFS info (device loop0): using free space tree [ 80.909064][ T5033] BTRFS info (device loop0): has skinny extents [ 80.928527][ T5033] BTRFS info (device loop0): clearing free space tree [ 80.929736][ T5033] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 80.931224][ T5033] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 80.934243][ T5033] BTRFS info (device loop0): creating free space tree [ 80.936002][ T5033] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 80.937487][ T5033] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 80.942953][ T5033] FAULT_INJECTION: forcing a failure. [ 80.942953][ T5033] name failslab, interval 1, probability 0, space 0, times 0 [ 80.944946][ T5033] CPU: 0 PID: 5033 Comm: syz.0.20 Tainted: G W syzkaller #0 [ 80.946183][ T5033] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.947587][ T5033] Call trace: [ 80.948075][ T5033] dump_backtrace+0x0/0x43c [ 80.948673][ T5033] show_stack+0x2c/0x3c [ 80.949267][ T5033] __dump_stack+0x30/0x40 [ 80.949949][ T5033] dump_stack_lvl+0xf8/0x160 [ 80.950589][ T5033] dump_stack+0x1c/0x5c [ 80.951221][ T5033] should_fail+0x3c0/0x51c [ 80.951891][ T5033] __should_failslab+0xbc/0x10c [ 80.952617][ T5033] should_failslab+0x10/0x28 [ 80.953336][ T5033] slab_pre_alloc_hook+0x64/0xec [ 80.954031][ T5033] kmem_cache_alloc+0x94/0x3e4 [ 80.954811][ T5033] btrfs_get_or_create_delayed_node+0x128/0x4c8 [ 80.955770][ T5033] btrfs_delayed_update_inode+0x3c/0x1b7c [ 80.956581][ T5033] btrfs_update_inode+0x210/0x3d4 [ 80.957345][ T5033] btrfs_create+0x360/0x508 [ 80.957989][ T5033] path_openat+0x1144/0x26e4 [ 80.958621][ T5033] do_filp_open+0x164/0x330 [ 80.959281][ T5033] do_sys_openat2+0x128/0x3d8 [ 80.959987][ T5033] __arm64_sys_openat+0x120/0x154 [ 80.960745][ T5033] invoke_syscall+0x98/0x2b8 [ 80.961404][ T5033] el0_svc_common+0x138/0x258 [ 80.962058][ T5033] do_el0_svc+0x58/0x14c [ 80.962689][ T5033] el0_svc+0x78/0x1e0 [ 80.963430][ T5033] el0t_64_sync_handler+0xcc/0xe4 [ 80.964207][ T5033] el0t_64_sync+0x1a0/0x1a4 [ 81.111610][ T5055] loop0: detected capacity change from 0 to 32768 [ 81.163767][ T5055] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.21 (5055) [ 81.169634][ T5055] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 81.171107][ T5055] BTRFS info (device loop0): setting nodatacow, compression disabled [ 81.172443][ T5055] BTRFS info (device loop0): setting datacow [ 81.173316][ T5055] BTRFS info (device loop0): doing ref verification [ 81.174347][ T5055] BTRFS info (device loop0): force clearing of disk cache [ 81.175377][ T5055] BTRFS info (device loop0): turning off barriers [ 81.203724][ T5055] FAULT_INJECTION: forcing a failure. [ 81.203724][ T5055] name failslab, interval 1, probability 0, space 0, times 0 [ 81.205595][ T5055] CPU: 0 PID: 5055 Comm: syz.0.21 Tainted: G W syzkaller #0 [ 81.206718][ T5055] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.208143][ T5055] Call trace: [ 81.208570][ T5055] dump_backtrace+0x0/0x43c [ 81.209165][ T5055] show_stack+0x2c/0x3c [ 81.209771][ T5055] __dump_stack+0x30/0x40 [ 81.210367][ T5055] dump_stack_lvl+0xf8/0x160 [ 81.211016][ T5055] dump_stack+0x1c/0x5c [ 81.211595][ T5055] should_fail+0x3c0/0x51c [ 81.212231][ T5055] __should_failslab+0xbc/0x10c [ 81.212945][ T5055] should_failslab+0x10/0x28 [ 81.213612][ T5055] slab_pre_alloc_hook+0x64/0xec [ 81.214292][ T5055] kmem_cache_alloc+0x94/0x3e4 [ 81.214965][ T5055] btrfs_alloc_path+0x5c/0x68 [ 81.215594][ T5055] btrfs_insert_dir_item+0x16c/0x3b8 [ 81.216360][ T5055] btrfs_add_link+0x294/0xa68 [ 81.217079][ T5055] btrfs_create+0x45c/0x508 [ 81.217740][ T5055] path_openat+0x1144/0x26e4 [ 81.218453][ T5055] do_filp_open+0x164/0x330 [ 81.219085][ T5055] do_sys_openat2+0x128/0x3d8 [ 81.219823][ T5055] __arm64_sys_openat+0x120/0x154 [ 81.220546][ T5055] invoke_syscall+0x98/0x2b8 [ 81.221250][ T5055] el0_svc_common+0x138/0x258 [ 81.221921][ T5055] do_el0_svc+0x58/0x14c [ 81.222535][ T5055] el0_svc+0x78/0x1e0 [ 81.223114][ T5055] el0t_64_sync_handler+0xcc/0xe4 [ 81.223805][ T5055] el0t_64_sync+0x1a0/0x1a4 [ 81.259248][ T5055] ------------[ cut here ]------------ [ 81.260244][ T5055] WARNING: CPU: 0 PID: 5055 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 81.261554][ T5055] Modules linked in: [ 81.262085][ T5055] CPU: 0 PID: 5055 Comm: syz.0.21 Tainted: G W syzkaller #0 [ 81.263302][ T5055] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.264713][ T5055] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 81.265807][ T5055] pc : btrfs_add_link+0x6e8/0xa68 [ 81.266611][ T5055] lr : btrfs_add_link+0x6e8/0xa68 [ 81.267344][ T5055] sp : ffff80001fd77580 [ 81.267936][ T5055] x29: ffff80001fd77680 x28: ffff0000dee42bb0 x27: 0000000000000108 [ 81.269101][ T5055] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 81.270256][ T5055] x23: 0000000000000014 x22: 1fffe0001bdc8581 x21: ffff700003faeeb8 [ 81.271420][ T5055] x20: 00000000fffffff4 x19: ffff0000dee42c08 x18: 0000000000000001 [ 81.272670][ T5055] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 81.273888][ T5055] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 81.275109][ T5055] x11: 0000000000000000 x10: 0000000000000000 x9 : 9f72ac14448c8000 [ 81.276319][ T5055] x8 : 9f72ac14448c8000 x7 : 0000000000000001 x6 : 0000000000000001 [ 81.277481][ T5055] x5 : ffff80001fd76e78 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 81.278706][ T5055] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 81.279867][ T5055] Call trace: [ 81.280313][ T5055] btrfs_add_link+0x6e8/0xa68 [ 81.281032][ T5055] btrfs_create+0x45c/0x508 [ 81.281700][ T5055] path_openat+0x1144/0x26e4 [ 81.282308][ T5055] do_filp_open+0x164/0x330 [ 81.282939][ T5055] do_sys_openat2+0x128/0x3d8 [ 81.283641][ T5055] __arm64_sys_openat+0x120/0x154 [ 81.284359][ T5055] invoke_syscall+0x98/0x2b8 [ 81.285010][ T5055] el0_svc_common+0x138/0x258 [ 81.285709][ T5055] do_el0_svc+0x58/0x14c [ 81.286338][ T5055] el0_svc+0x78/0x1e0 [ 81.286932][ T5055] el0t_64_sync_handler+0xcc/0xe4 [ 81.287657][ T5055] el0t_64_sync+0x1a0/0x1a4 [ 81.288316][ T5055] irq event stamp: 80284 [ 81.288930][ T5055] hardirqs last enabled at (80283): [] __up_console_sem+0xb4/0x100 [ 81.290268][ T5055] hardirqs last disabled at (80284): [] el1_dbg+0x24/0x80 [ 81.291516][ T5055] softirqs last enabled at (80264): [] handle_softirqs+0xa4c/0xbf0 [ 81.292868][ T5055] softirqs last disabled at (80163): [] __irq_exit_rcu+0x240/0x440 [ 81.294297][ T5055] ---[ end trace e33b5072ba1647be ]--- [ 81.298032][ T5055] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 81.476878][ T5077] loop0: detected capacity change from 0 to 32768 [ 81.523867][ T5077] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.22 (5077) [ 81.629930][ T5077] FAULT_INJECTION: forcing a failure. [ 81.629930][ T5077] name failslab, interval 1, probability 0, space 0, times 0 [ 81.631859][ T5077] CPU: 1 PID: 5077 Comm: syz.0.22 Tainted: G W syzkaller #0 [ 81.633101][ T5077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.634506][ T5077] Call trace: [ 81.635028][ T5077] dump_backtrace+0x0/0x43c [ 81.635693][ T5077] show_stack+0x2c/0x3c [ 81.636327][ T5077] __dump_stack+0x30/0x40 [ 81.636977][ T5077] dump_stack_lvl+0xf8/0x160 [ 81.637682][ T5077] dump_stack+0x1c/0x5c [ 81.638315][ T5077] should_fail+0x3c0/0x51c [ 81.638955][ T5077] __should_failslab+0xbc/0x10c [ 81.639627][ T5077] should_failslab+0x10/0x28 [ 81.640366][ T5077] slab_pre_alloc_hook+0x64/0xec [ 81.641116][ T5077] kmem_cache_alloc+0x94/0x3e4 [ 81.641820][ T5077] btrfs_alloc_path+0x5c/0x68 [ 81.642593][ T5077] btrfs_insert_dir_item+0x16c/0x3b8 [ 81.643366][ T5077] btrfs_add_link+0x294/0xa68 [ 81.644104][ T5077] btrfs_create+0x45c/0x508 [ 81.644716][ T5077] path_openat+0x1144/0x26e4 [ 81.645383][ T5077] do_filp_open+0x164/0x330 [ 81.646048][ T5077] do_sys_openat2+0x128/0x3d8 [ 81.646740][ T5077] __arm64_sys_openat+0x120/0x154 [ 81.647468][ T5077] invoke_syscall+0x98/0x2b8 [ 81.648104][ T5077] el0_svc_common+0x138/0x258 [ 81.648783][ T5077] do_el0_svc+0x58/0x14c [ 81.649442][ T5077] el0_svc+0x78/0x1e0 [ 81.649994][ T5077] el0t_64_sync_handler+0xcc/0xe4 [ 81.650718][ T5077] el0t_64_sync+0x1a0/0x1a4 [ 81.651573][ T5077] ------------[ cut here ]------------ [ 81.652523][ T5077] WARNING: CPU: 1 PID: 5077 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 81.653864][ T5077] Modules linked in: [ 81.654391][ T5077] CPU: 1 PID: 5077 Comm: syz.0.22 Tainted: G W syzkaller #0 [ 81.655606][ T5077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.656999][ T5077] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 81.658179][ T5077] pc : btrfs_add_link+0x6e8/0xa68 [ 81.658903][ T5077] lr : btrfs_add_link+0x6e8/0xa68 [ 81.659586][ T5077] sp : ffff800020487580 [ 81.660224][ T5077] x29: ffff800020487680 x28: ffff0000def28dc0 x27: 0000000000000108 [ 81.661381][ T5077] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 81.662554][ T5077] x23: 0000000000000014 x22: 1fffe0001bde51c3 x21: ffff700004090eb8 [ 81.663667][ T5077] x20: 00000000fffffff4 x19: ffff0000def28e18 x18: 0000000000000001 [ 81.664921][ T5077] x17: 0000000000000000 x16: ffff800008302164 x15: 00000000ffffffff [ 81.666100][ T5077] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 81.667336][ T5077] x11: 0000000000000000 x10: 0000000000000000 x9 : 2719bb509e288d00 [ 81.668494][ T5077] x8 : 2719bb509e288d00 x7 : 0000000000000001 x6 : 0000000000000001 [ 81.669700][ T5077] x5 : ffff800020486e78 x4 : ffff8000141ff5a0 x3 : ffff800008302274 [ 81.670904][ T5077] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 81.672212][ T5077] Call trace: [ 81.672685][ T5077] btrfs_add_link+0x6e8/0xa68 [ 81.673399][ T5077] btrfs_create+0x45c/0x508 [ 81.674029][ T5077] path_openat+0x1144/0x26e4 [ 81.674709][ T5077] do_filp_open+0x164/0x330 [ 81.675399][ T5077] do_sys_openat2+0x128/0x3d8 [ 81.676136][ T5077] __arm64_sys_openat+0x120/0x154 [ 81.676893][ T5077] invoke_syscall+0x98/0x2b8 [ 81.677546][ T5077] el0_svc_common+0x138/0x258 [ 81.678290][ T5077] do_el0_svc+0x58/0x14c [ 81.678899][ T5077] el0_svc+0x78/0x1e0 [ 81.679519][ T5077] el0t_64_sync_handler+0xcc/0xe4 [ 81.680326][ T5077] el0t_64_sync+0x1a0/0x1a4 [ 81.681028][ T5077] irq event stamp: 79908 [ 81.681694][ T5077] hardirqs last enabled at (79907): [] __up_console_sem+0xb4/0x100 [ 81.683152][ T5077] hardirqs last disabled at (79908): [] el1_dbg+0x24/0x80 [ 81.684470][ T5077] softirqs last enabled at (79888): [] handle_softirqs+0xa4c/0xbf0 [ 81.685845][ T5077] softirqs last disabled at (79869): [] __irq_exit_rcu+0x240/0x440 [ 81.687184][ T5077] ---[ end trace e33b5072ba1647bf ]--- [ 81.688301][ T5077] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 81.849998][ T5100] loop0: detected capacity change from 0 to 32768 [ 81.891074][ T5100] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.23 (5100) [ 81.914648][ T5100] FAULT_INJECTION: forcing a failure. [ 81.914648][ T5100] name failslab, interval 1, probability 0, space 0, times 0 [ 81.916661][ T5100] CPU: 1 PID: 5100 Comm: syz.0.23 Tainted: G W syzkaller #0 [ 81.917967][ T5100] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.919486][ T5100] Call trace: [ 81.919960][ T5100] dump_backtrace+0x0/0x43c [ 81.920660][ T5100] show_stack+0x2c/0x3c [ 81.921287][ T5100] __dump_stack+0x30/0x40 [ 81.921919][ T5100] dump_stack_lvl+0xf8/0x160 [ 81.922620][ T5100] dump_stack+0x1c/0x5c [ 81.923205][ T5100] should_fail+0x3c0/0x51c [ 81.923854][ T5100] __should_failslab+0xbc/0x10c [ 81.924572][ T5100] should_failslab+0x10/0x28 [ 81.925252][ T5100] slab_pre_alloc_hook+0x64/0xec [ 81.925983][ T5100] kmem_cache_alloc+0x94/0x3e4 [ 81.926753][ T5100] btrfs_alloc_path+0x5c/0x68 [ 81.927462][ T5100] btrfs_insert_dir_item+0x16c/0x3b8 [ 81.928295][ T5100] btrfs_add_link+0x294/0xa68 [ 81.929019][ T5100] btrfs_create+0x45c/0x508 [ 81.929662][ T5100] path_openat+0x1144/0x26e4 [ 81.930368][ T5100] do_filp_open+0x164/0x330 [ 81.931072][ T5100] do_sys_openat2+0x128/0x3d8 [ 81.931735][ T5100] __arm64_sys_openat+0x120/0x154 [ 81.932510][ T5100] invoke_syscall+0x98/0x2b8 [ 81.933187][ T5100] el0_svc_common+0x138/0x258 [ 81.933955][ T5100] do_el0_svc+0x58/0x14c [ 81.934567][ T5100] el0_svc+0x78/0x1e0 [ 81.935176][ T5100] el0t_64_sync_handler+0xcc/0xe4 [ 81.935899][ T5100] el0t_64_sync+0x1a0/0x1a4 [ 81.937671][ T5100] ------------[ cut here ]------------ [ 81.938638][ T5100] WARNING: CPU: 1 PID: 5100 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 81.939959][ T5100] Modules linked in: [ 81.940532][ T5100] CPU: 1 PID: 5100 Comm: syz.0.23 Tainted: G W syzkaller #0 [ 81.941823][ T5100] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.943311][ T5100] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 81.944433][ T5100] pc : btrfs_add_link+0x6e8/0xa68 [ 81.945216][ T5100] lr : btrfs_add_link+0x6e8/0xa68 [ 81.946011][ T5100] sp : ffff80001ffa7580 [ 81.946581][ T5100] x29: ffff80001ffa7680 x28: ffff0000def960b0 x27: 0000000000000108 [ 81.947729][ T5100] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 81.948893][ T5100] x23: 0000000000000014 x22: 1fffe0001bdf2c21 x21: ffff700003ff4eb8 [ 81.950152][ T5100] x20: 00000000fffffff4 x19: ffff0000def96108 x18: 0000000000000001 [ 81.951358][ T5100] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 81.952544][ T5100] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 81.953760][ T5100] x11: 0000000000000000 x10: 0000000000000000 x9 : 2fdc3914b99c2900 [ 81.954982][ T5100] x8 : 2fdc3914b99c2900 x7 : 0000000000000001 x6 : 0000000000000001 [ 81.956194][ T5100] x5 : ffff80001ffa6e78 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 81.957354][ T5100] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 81.958453][ T5100] Call trace: [ 81.958927][ T5100] btrfs_add_link+0x6e8/0xa68 [ 81.959635][ T5100] btrfs_create+0x45c/0x508 [ 81.960242][ T5100] path_openat+0x1144/0x26e4 [ 81.960930][ T5100] do_filp_open+0x164/0x330 [ 81.961530][ T5100] do_sys_openat2+0x128/0x3d8 [ 81.962156][ T5100] __arm64_sys_openat+0x120/0x154 [ 81.962868][ T5100] invoke_syscall+0x98/0x2b8 [ 81.963547][ T5100] el0_svc_common+0x138/0x258 [ 81.964255][ T5100] do_el0_svc+0x58/0x14c [ 81.964861][ T5100] el0_svc+0x78/0x1e0 [ 81.965469][ T5100] el0t_64_sync_handler+0xcc/0xe4 [ 81.966267][ T5100] el0t_64_sync+0x1a0/0x1a4 [ 81.966936][ T5100] irq event stamp: 79986 [ 81.967501][ T5100] hardirqs last enabled at (79985): [] __up_console_sem+0xb4/0x100 [ 81.968880][ T5100] hardirqs last disabled at (79986): [] el1_dbg+0x24/0x80 [ 81.970162][ T5100] softirqs last enabled at (79966): [] handle_softirqs+0xa4c/0xbf0 [ 81.971618][ T5100] softirqs last disabled at (79885): [] __irq_exit_rcu+0x240/0x440 [ 81.972991][ T5100] ---[ end trace e33b5072ba1647c0 ]--- [ 81.974807][ T5100] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 82.108812][ T5122] loop0: detected capacity change from 0 to 32768 [ 82.150350][ T5122] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.24 (5122) [ 82.197233][ T5122] FAULT_INJECTION: forcing a failure. [ 82.197233][ T5122] name failslab, interval 1, probability 0, space 0, times 0 [ 82.199557][ T5122] CPU: 0 PID: 5122 Comm: syz.0.24 Tainted: G W syzkaller #0 [ 82.200799][ T5122] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.202245][ T5122] Call trace: [ 82.202706][ T5122] dump_backtrace+0x0/0x43c [ 82.203320][ T5122] show_stack+0x2c/0x3c [ 82.203902][ T5122] __dump_stack+0x30/0x40 [ 82.204523][ T5122] dump_stack_lvl+0xf8/0x160 [ 82.205169][ T5122] dump_stack+0x1c/0x5c [ 82.205790][ T5122] should_fail+0x3c0/0x51c [ 82.206396][ T5122] __should_failslab+0xbc/0x10c [ 82.207130][ T5122] should_failslab+0x10/0x28 [ 82.207755][ T5122] slab_pre_alloc_hook+0x64/0xec [ 82.208439][ T5122] kmem_cache_alloc+0x94/0x3e4 [ 82.209148][ T5122] btrfs_alloc_path+0x5c/0x68 [ 82.209777][ T5122] btrfs_insert_dir_item+0x16c/0x3b8 [ 82.210548][ T5122] btrfs_add_link+0x294/0xa68 [ 82.211214][ T5122] btrfs_create+0x45c/0x508 [ 82.211892][ T5122] path_openat+0x1144/0x26e4 [ 82.212531][ T5122] do_filp_open+0x164/0x330 [ 82.213177][ T5122] do_sys_openat2+0x128/0x3d8 [ 82.213855][ T5122] __arm64_sys_openat+0x120/0x154 [ 82.214547][ T5122] invoke_syscall+0x98/0x2b8 [ 82.215196][ T5122] el0_svc_common+0x138/0x258 [ 82.215848][ T5122] do_el0_svc+0x58/0x14c [ 82.216403][ T5122] el0_svc+0x78/0x1e0 [ 82.216982][ T5122] el0t_64_sync_handler+0xcc/0xe4 [ 82.217703][ T5122] el0t_64_sync+0x1a0/0x1a4 [ 82.219707][ T5122] ------------[ cut here ]------------ [ 82.220689][ T5122] WARNING: CPU: 0 PID: 5122 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 82.222018][ T5122] Modules linked in: [ 82.222627][ T5122] CPU: 0 PID: 5122 Comm: syz.0.24 Tainted: G W syzkaller #0 [ 82.223897][ T5122] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.225324][ T5122] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 82.226411][ T5122] pc : btrfs_add_link+0x6e8/0xa68 [ 82.227109][ T5122] lr : btrfs_add_link+0x6e8/0xa68 [ 82.227816][ T5122] sp : ffff800020487580 [ 82.228392][ T5122] x29: ffff800020487680 x28: ffff0000dee42e70 x27: 0000000000000108 [ 82.229564][ T5122] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 82.230725][ T5122] x23: 0000000000000014 x22: 1fffe0001bdc85d9 x21: ffff700004090eb8 [ 82.231936][ T5122] x20: 00000000fffffff4 x19: ffff0000dee42ec8 x18: 0000000000000001 [ 82.233067][ T5122] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 82.234452][ T5122] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 82.235850][ T5122] x11: 0000000000000000 x10: 0000000000000000 x9 : fbef8399e8d00e00 [ 82.237161][ T5122] x8 : fbef8399e8d00e00 x7 : 0000000000000001 x6 : 0000000000000001 [ 82.238459][ T5122] x5 : ffff800020486e78 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 82.239758][ T5122] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 82.240946][ T5122] Call trace: [ 82.241441][ T5122] btrfs_add_link+0x6e8/0xa68 [ 82.242113][ T5122] btrfs_create+0x45c/0x508 [ 82.242762][ T5122] path_openat+0x1144/0x26e4 [ 82.243391][ T5122] do_filp_open+0x164/0x330 [ 82.244067][ T5122] do_sys_openat2+0x128/0x3d8 [ 82.244722][ T5122] __arm64_sys_openat+0x120/0x154 [ 82.245416][ T5122] invoke_syscall+0x98/0x2b8 [ 82.246056][ T5122] el0_svc_common+0x138/0x258 [ 82.246739][ T5122] do_el0_svc+0x58/0x14c [ 82.247357][ T5122] el0_svc+0x78/0x1e0 [ 82.247924][ T5122] el0t_64_sync_handler+0xcc/0xe4 [ 82.248641][ T5122] el0t_64_sync+0x1a0/0x1a4 [ 82.249313][ T5122] irq event stamp: 80322 [ 82.249925][ T5122] hardirqs last enabled at (80321): [] __up_console_sem+0xb4/0x100 [ 82.251280][ T5122] hardirqs last disabled at (80322): [] el1_dbg+0x24/0x80 [ 82.252557][ T5122] softirqs last enabled at (80302): [] handle_softirqs+0xa4c/0xbf0 [ 82.254100][ T5122] softirqs last disabled at (80269): [] __irq_exit_rcu+0x240/0x440 [ 82.255535][ T5122] ---[ end trace e33b5072ba1647c1 ]--- [ 82.258305][ T5122] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 82.392773][ T5144] loop0: detected capacity change from 0 to 32768 [ 82.500591][ T5144] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.25 (5144) [ 82.530541][ T5144] FAULT_INJECTION: forcing a failure. [ 82.530541][ T5144] name failslab, interval 1, probability 0, space 0, times 0 [ 82.532540][ T5144] CPU: 0 PID: 5144 Comm: syz.0.25 Tainted: G W syzkaller #0 [ 82.533747][ T5144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.535245][ T5144] Call trace: [ 82.535705][ T5144] dump_backtrace+0x0/0x43c [ 82.536415][ T5144] show_stack+0x2c/0x3c [ 82.537035][ T5144] __dump_stack+0x30/0x40 [ 82.537616][ T5144] dump_stack_lvl+0xf8/0x160 [ 82.538275][ T5144] dump_stack+0x1c/0x5c [ 82.538907][ T5144] should_fail+0x3c0/0x51c [ 82.539534][ T5144] __should_failslab+0xbc/0x10c [ 82.540226][ T5144] should_failslab+0x10/0x28 [ 82.540892][ T5144] slab_pre_alloc_hook+0x64/0xec [ 82.541601][ T5144] kmem_cache_alloc+0x94/0x3e4 [ 82.542342][ T5144] btrfs_alloc_path+0x5c/0x68 [ 82.543097][ T5144] btrfs_insert_dir_item+0x16c/0x3b8 [ 82.543878][ T5144] btrfs_add_link+0x294/0xa68 [ 82.544534][ T5144] btrfs_create+0x45c/0x508 [ 82.545175][ T5144] path_openat+0x1144/0x26e4 [ 82.545804][ T5144] do_filp_open+0x164/0x330 [ 82.546479][ T5144] do_sys_openat2+0x128/0x3d8 [ 82.547158][ T5144] __arm64_sys_openat+0x120/0x154 [ 82.547846][ T5144] invoke_syscall+0x98/0x2b8 [ 82.548531][ T5144] el0_svc_common+0x138/0x258 [ 82.549239][ T5144] do_el0_svc+0x58/0x14c [ 82.549851][ T5144] el0_svc+0x78/0x1e0 [ 82.550428][ T5144] el0t_64_sync_handler+0xcc/0xe4 [ 82.551103][ T5144] el0t_64_sync+0x1a0/0x1a4 [ 82.552823][ T5144] ------------[ cut here ]------------ [ 82.553819][ T5144] WARNING: CPU: 0 PID: 5144 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 82.555134][ T5144] Modules linked in: [ 82.555721][ T5144] CPU: 0 PID: 5144 Comm: syz.0.25 Tainted: G W syzkaller #0 [ 82.556936][ T5144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.558540][ T5144] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 82.559738][ T5144] pc : btrfs_add_link+0x6e8/0xa68 [ 82.560549][ T5144] lr : btrfs_add_link+0x6e8/0xa68 [ 82.561281][ T5144] sp : ffff8000207c7580 [ 82.561888][ T5144] x29: ffff8000207c7680 x28: ffff0000dee6a160 x27: 0000000000000108 [ 82.563096][ T5144] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 82.564340][ T5144] x23: 0000000000000014 x22: 1fffe0001bdcd437 x21: ffff7000040f8eb8 [ 82.565524][ T5144] x20: 00000000fffffff4 x19: ffff0000dee6a1b8 x18: 0000000000000001 [ 82.566722][ T5144] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 82.567886][ T5144] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 82.569096][ T5144] x11: 0000000000000000 x10: 0000000000000000 x9 : 2430351af7e29200 [ 82.570273][ T5144] x8 : 2430351af7e29200 x7 : 0000000000000001 x6 : 0000000000000001 [ 82.571512][ T5144] x5 : ffff8000207c6e78 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 82.572731][ T5144] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 82.573853][ T5144] Call trace: [ 82.574319][ T5144] btrfs_add_link+0x6e8/0xa68 [ 82.575006][ T5144] btrfs_create+0x45c/0x508 [ 82.575643][ T5144] path_openat+0x1144/0x26e4 [ 82.576317][ T5144] do_filp_open+0x164/0x330 [ 82.576928][ T5144] do_sys_openat2+0x128/0x3d8 [ 82.577660][ T5144] __arm64_sys_openat+0x120/0x154 [ 82.578462][ T5144] invoke_syscall+0x98/0x2b8 [ 82.579176][ T5144] el0_svc_common+0x138/0x258 [ 82.579865][ T5144] do_el0_svc+0x58/0x14c [ 82.580512][ T5144] el0_svc+0x78/0x1e0 [ 82.581141][ T5144] el0t_64_sync_handler+0xcc/0xe4 [ 82.581896][ T5144] el0t_64_sync+0x1a0/0x1a4 [ 82.582658][ T5144] irq event stamp: 80114 [ 82.583276][ T5144] hardirqs last enabled at (80113): [] __up_console_sem+0xb4/0x100 [ 82.584715][ T5144] hardirqs last disabled at (80114): [] el1_dbg+0x24/0x80 [ 82.586022][ T5144] softirqs last enabled at (80094): [] handle_softirqs+0xa4c/0xbf0 [ 82.587654][ T5144] softirqs last disabled at (80053): [] __irq_exit_rcu+0x240/0x440 [ 82.589179][ T5144] ---[ end trace e33b5072ba1647c2 ]--- [ 82.590493][ T5144] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 82.732308][ T5166] loop0: detected capacity change from 0 to 32768 [ 82.739958][ T5166] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.26 (5166) [ 82.766917][ T5166] FAULT_INJECTION: forcing a failure. [ 82.766917][ T5166] name failslab, interval 1, probability 0, space 0, times 0 [ 82.768983][ T5166] CPU: 1 PID: 5166 Comm: syz.0.26 Tainted: G W syzkaller #0 [ 82.770367][ T5166] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.771897][ T5166] Call trace: [ 82.772432][ T5166] dump_backtrace+0x0/0x43c [ 82.773160][ T5166] show_stack+0x2c/0x3c [ 82.773799][ T5166] __dump_stack+0x30/0x40 [ 82.774448][ T5166] dump_stack_lvl+0xf8/0x160 [ 82.775172][ T5166] dump_stack+0x1c/0x5c [ 82.775858][ T5166] should_fail+0x3c0/0x51c [ 82.776469][ T5166] __should_failslab+0xbc/0x10c [ 82.777249][ T5166] should_failslab+0x10/0x28 [ 82.777940][ T5166] slab_pre_alloc_hook+0x64/0xec [ 82.778690][ T5166] kmem_cache_alloc+0x94/0x3e4 [ 82.779393][ T5166] btrfs_get_or_create_delayed_node+0x128/0x4c8 [ 82.780343][ T5166] btrfs_delayed_update_inode+0x3c/0x1b7c [ 82.781216][ T5166] btrfs_update_inode+0x210/0x3d4 [ 82.781950][ T5166] btrfs_create+0x360/0x508 [ 82.782619][ T5166] path_openat+0x1144/0x26e4 [ 82.783310][ T5166] do_filp_open+0x164/0x330 [ 82.783927][ T5166] do_sys_openat2+0x128/0x3d8 [ 82.784617][ T5166] __arm64_sys_openat+0x120/0x154 [ 82.785374][ T5166] invoke_syscall+0x98/0x2b8 [ 82.786067][ T5166] el0_svc_common+0x138/0x258 [ 82.786804][ T5166] do_el0_svc+0x58/0x14c [ 82.787404][ T5166] el0_svc+0x78/0x1e0 [ 82.787985][ T5166] el0t_64_sync_handler+0xcc/0xe4 [ 82.788690][ T5166] el0t_64_sync+0x1a0/0x1a4 [ 82.838829][ T4897] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 12 /dev/loop0 scanned by udevd (4897) [ 82.937085][ T5187] loop0: detected capacity change from 0 to 32768 [ 83.014614][ T5187] FAULT_INJECTION: forcing a failure. [ 83.014614][ T5187] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 83.016712][ T5187] CPU: 0 PID: 5187 Comm: syz.0.27 Tainted: G W syzkaller #0 [ 83.018007][ T5187] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.019493][ T5187] Call trace: [ 83.019962][ T5187] dump_backtrace+0x0/0x43c [ 83.020638][ T5187] show_stack+0x2c/0x3c [ 83.021242][ T5187] __dump_stack+0x30/0x40 [ 83.021859][ T5187] dump_stack_lvl+0xf8/0x160 [ 83.022506][ T5187] dump_stack+0x1c/0x5c [ 83.023113][ T5187] should_fail+0x3c0/0x51c [ 83.023729][ T5187] should_fail_alloc_page+0x74/0xa8 [ 83.024508][ T5187] prepare_alloc_pages+0x160/0x460 [ 83.025219][ T5187] __alloc_pages+0x108/0x470 [ 83.025891][ T5187] alloc_pages+0x34c/0x5c0 [ 83.026498][ T5187] new_slab+0xe0/0x55c [ 83.027055][ T5187] ___slab_alloc+0x6c0/0xda8 [ 83.027779][ T5187] __slab_alloc+0x68/0xc0 [ 83.028399][ T5187] kmem_cache_alloc+0x2ac/0x3e4 [ 83.029154][ T5187] btrfs_get_or_create_delayed_node+0x128/0x4c8 [ 83.030102][ T5187] btrfs_delayed_update_inode+0x3c/0x1b7c [ 83.031008][ T5187] btrfs_update_inode+0x210/0x3d4 [ 83.031775][ T5187] btrfs_create+0x360/0x508 [ 83.032516][ T5187] path_openat+0x1144/0x26e4 [ 83.033193][ T5187] do_filp_open+0x164/0x330 [ 83.033849][ T5187] do_sys_openat2+0x128/0x3d8 [ 83.034616][ T5187] __arm64_sys_openat+0x120/0x154 [ 83.035347][ T5187] invoke_syscall+0x98/0x2b8 [ 83.036036][ T5187] el0_svc_common+0x138/0x258 [ 83.036675][ T5187] do_el0_svc+0x58/0x14c [ 83.037363][ T5187] el0_svc+0x78/0x1e0 [ 83.037984][ T5187] el0t_64_sync_handler+0xcc/0xe4 [ 83.038778][ T5187] el0t_64_sync+0x1a0/0x1a4 [ 83.187384][ T5210] loop0: detected capacity change from 0 to 32768 [ 83.195378][ T5210] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.28 (5210) [ 83.215098][ T5210] FAULT_INJECTION: forcing a failure. [ 83.215098][ T5210] name failslab, interval 1, probability 0, space 0, times 0 [ 83.217256][ T5210] CPU: 0 PID: 5210 Comm: syz.0.28 Tainted: G W syzkaller #0 [ 83.218518][ T5210] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.220009][ T5210] Call trace: [ 83.220513][ T5210] dump_backtrace+0x0/0x43c [ 83.221231][ T5210] show_stack+0x2c/0x3c [ 83.221811][ T5210] __dump_stack+0x30/0x40 [ 83.222442][ T5210] dump_stack_lvl+0xf8/0x160 [ 83.223121][ T5210] dump_stack+0x1c/0x5c [ 83.223720][ T5210] should_fail+0x3c0/0x51c [ 83.224338][ T5210] __should_failslab+0xbc/0x10c [ 83.225013][ T5210] should_failslab+0x10/0x28 [ 83.225719][ T5210] slab_pre_alloc_hook+0x64/0xec [ 83.226435][ T5210] kmem_cache_alloc+0x94/0x3e4 [ 83.227110][ T5210] btrfs_alloc_path+0x5c/0x68 [ 83.227793][ T5210] btrfs_insert_dir_item+0x16c/0x3b8 [ 83.228519][ T5210] btrfs_add_link+0x294/0xa68 [ 83.229209][ T5210] btrfs_create+0x45c/0x508 [ 83.229853][ T5210] path_openat+0x1144/0x26e4 [ 83.230575][ T5210] do_filp_open+0x164/0x330 [ 83.231204][ T5210] do_sys_openat2+0x128/0x3d8 [ 83.232149][ T5210] __arm64_sys_openat+0x120/0x154 [ 83.232914][ T5210] invoke_syscall+0x98/0x2b8 [ 83.233577][ T5210] el0_svc_common+0x138/0x258 [ 83.234254][ T5210] do_el0_svc+0x58/0x14c [ 83.234870][ T5210] el0_svc+0x78/0x1e0 [ 83.235477][ T5210] el0t_64_sync_handler+0xcc/0xe4 [ 83.236224][ T5210] el0t_64_sync+0x1a0/0x1a4 [ 83.237694][ T5210] ------------[ cut here ]------------ [ 83.238541][ T5210] WARNING: CPU: 0 PID: 5210 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 83.240086][ T5210] Modules linked in: [ 83.240657][ T5210] CPU: 0 PID: 5210 Comm: syz.0.28 Tainted: G W syzkaller #0 [ 83.242051][ T5210] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.243628][ T5210] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 83.244785][ T5210] pc : btrfs_add_link+0x6e8/0xa68 [ 83.245563][ T5210] lr : btrfs_add_link+0x6e8/0xa68 [ 83.246312][ T5210] sp : ffff800020a07580 [ 83.246894][ T5210] x29: ffff800020a07680 x28: ffff0000dee6a630 x27: 0000000000000108 [ 83.248146][ T5210] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 83.249296][ T5210] x23: 0000000000000014 x22: 1fffe0001bdcd4d1 x21: ffff700004140eb8 [ 83.250503][ T5210] x20: 00000000fffffff4 x19: ffff0000dee6a688 x18: 0000000000000001 [ 83.251686][ T5210] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 83.252868][ T5210] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 83.254005][ T5210] x11: 0000000000000000 x10: 0000000000000000 x9 : a2075fd3c5940700 [ 83.255257][ T5210] x8 : a2075fd3c5940700 x7 : 0000000000000001 x6 : 0000000000000001 [ 83.256485][ T5210] x5 : ffff800020a06e78 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 83.257729][ T5210] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 83.258872][ T5210] Call trace: [ 83.259353][ T5210] btrfs_add_link+0x6e8/0xa68 [ 83.260052][ T5210] btrfs_create+0x45c/0x508 [ 83.260689][ T5210] path_openat+0x1144/0x26e4 [ 83.261350][ T5210] do_filp_open+0x164/0x330 [ 83.261979][ T5210] do_sys_openat2+0x128/0x3d8 [ 83.262697][ T5210] __arm64_sys_openat+0x120/0x154 [ 83.263464][ T5210] invoke_syscall+0x98/0x2b8 [ 83.264164][ T5210] el0_svc_common+0x138/0x258 [ 83.264871][ T5210] do_el0_svc+0x58/0x14c [ 83.265521][ T5210] el0_svc+0x78/0x1e0 [ 83.266085][ T5210] el0t_64_sync_handler+0xcc/0xe4 [ 83.266803][ T5210] el0t_64_sync+0x1a0/0x1a4 [ 83.267468][ T5210] irq event stamp: 79640 [ 83.268164][ T5210] hardirqs last enabled at (79639): [] __up_console_sem+0xb4/0x100 [ 83.269762][ T5210] hardirqs last disabled at (79640): [] el1_dbg+0x24/0x80 [ 83.271060][ T5210] softirqs last enabled at (79620): [] handle_softirqs+0xa4c/0xbf0 [ 83.272509][ T5210] softirqs last disabled at (79595): [] __irq_exit_rcu+0x240/0x440 [ 83.273944][ T5210] ---[ end trace e33b5072ba1647c3 ]--- [ 83.275627][ T5210] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 83.413240][ T5232] loop0: detected capacity change from 0 to 32768 [ 83.453571][ T5232] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.29 (5232) [ 83.482232][ T5232] FAULT_INJECTION: forcing a failure. [ 83.482232][ T5232] name failslab, interval 1, probability 0, space 0, times 0 [ 83.484263][ T5232] CPU: 0 PID: 5232 Comm: syz.0.29 Tainted: G W syzkaller #0 [ 83.485526][ T5232] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.486987][ T5232] Call trace: [ 83.487421][ T5232] dump_backtrace+0x0/0x43c [ 83.488047][ T5232] show_stack+0x2c/0x3c [ 83.488712][ T5232] __dump_stack+0x30/0x40 [ 83.489319][ T5232] dump_stack_lvl+0xf8/0x160 [ 83.490005][ T5232] dump_stack+0x1c/0x5c [ 83.490668][ T5232] should_fail+0x3c0/0x51c [ 83.491307][ T5232] __should_failslab+0xbc/0x10c [ 83.491999][ T5232] should_failslab+0x10/0x28 [ 83.492684][ T5232] slab_pre_alloc_hook+0x64/0xec [ 83.493423][ T5232] kmem_cache_alloc+0x94/0x3e4 [ 83.494100][ T5232] btrfs_alloc_path+0x5c/0x68 [ 83.494755][ T5232] btrfs_insert_dir_item+0x16c/0x3b8 [ 83.495532][ T5232] btrfs_add_link+0x294/0xa68 [ 83.496210][ T5232] btrfs_create+0x45c/0x508 [ 83.496923][ T5232] path_openat+0x1144/0x26e4 [ 83.497590][ T5232] do_filp_open+0x164/0x330 [ 83.498254][ T5232] do_sys_openat2+0x128/0x3d8 [ 83.499015][ T5232] __arm64_sys_openat+0x120/0x154 [ 83.499726][ T5232] invoke_syscall+0x98/0x2b8 [ 83.500423][ T5232] el0_svc_common+0x138/0x258 [ 83.501154][ T5232] do_el0_svc+0x58/0x14c [ 83.501780][ T5232] el0_svc+0x78/0x1e0 [ 83.502335][ T5232] el0t_64_sync_handler+0xcc/0xe4 [ 83.503039][ T5232] el0t_64_sync+0x1a0/0x1a4 [ 83.506563][ T5232] ------------[ cut here ]------------ [ 83.507516][ T5232] WARNING: CPU: 0 PID: 5232 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 83.508741][ T5232] Modules linked in: [ 83.509329][ T5232] CPU: 0 PID: 5232 Comm: syz.0.29 Tainted: G W syzkaller #0 [ 83.510579][ T5232] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.511962][ T5232] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 83.513143][ T5232] pc : btrfs_add_link+0x6e8/0xa68 [ 83.513881][ T5232] lr : btrfs_add_link+0x6e8/0xa68 [ 83.514584][ T5232] sp : ffff800020a07580 [ 83.515204][ T5232] x29: ffff800020a07680 x28: ffff0000dee6a8f0 x27: 0000000000000108 [ 83.516467][ T5232] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 83.517665][ T5232] x23: 0000000000000014 x22: 1fffe0001bdcd529 x21: ffff700004140eb8 [ 83.518866][ T5232] x20: 00000000fffffff4 x19: ffff0000dee6a948 x18: 0000000000000001 [ 83.520005][ T5232] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 83.521184][ T5232] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 83.522491][ T5232] x11: 0000000000000000 x10: 0000000000000000 x9 : 465e2fe1aa131d00 [ 83.523647][ T5232] x8 : 465e2fe1aa131d00 x7 : 0000000000000001 x6 : 0000000000000001 [ 83.524854][ T5232] x5 : ffff800020a06e78 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 83.526106][ T5232] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 83.527329][ T5232] Call trace: [ 83.527767][ T5232] btrfs_add_link+0x6e8/0xa68 [ 83.528463][ T5232] btrfs_create+0x45c/0x508 [ 83.529089][ T5232] path_openat+0x1144/0x26e4 [ 83.529766][ T5232] do_filp_open+0x164/0x330 [ 83.530476][ T5232] do_sys_openat2+0x128/0x3d8 [ 83.531210][ T5232] __arm64_sys_openat+0x120/0x154 [ 83.531965][ T5232] invoke_syscall+0x98/0x2b8 [ 83.532666][ T5232] el0_svc_common+0x138/0x258 [ 83.533397][ T5232] do_el0_svc+0x58/0x14c [ 83.534065][ T5232] el0_svc+0x78/0x1e0 [ 83.534630][ T5232] el0t_64_sync_handler+0xcc/0xe4 [ 83.535325][ T5232] el0t_64_sync+0x1a0/0x1a4 [ 83.535959][ T5232] irq event stamp: 80912 [ 83.536563][ T5232] hardirqs last enabled at (80911): [] __up_console_sem+0xb4/0x100 [ 83.537940][ T5232] hardirqs last disabled at (80912): [] el1_dbg+0x24/0x80 [ 83.539148][ T5232] softirqs last enabled at (80892): [] handle_softirqs+0xa4c/0xbf0 [ 83.540525][ T5232] softirqs last disabled at (80837): [] __irq_exit_rcu+0x240/0x440 [ 83.541914][ T5232] ---[ end trace e33b5072ba1647c4 ]--- [ 83.545079][ T5232] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 83.740928][ T5254] loop0: detected capacity change from 0 to 32768 [ 83.782266][ T5254] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.30 (5254) [ 83.801076][ T5254] FAULT_INJECTION: forcing a failure. [ 83.801076][ T5254] name failslab, interval 1, probability 0, space 0, times 0 [ 83.803039][ T5254] CPU: 0 PID: 5254 Comm: syz.0.30 Tainted: G W syzkaller #0 [ 83.804242][ T5254] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.805566][ T5254] Call trace: [ 83.805990][ T5254] dump_backtrace+0x0/0x43c [ 83.806601][ T5254] show_stack+0x2c/0x3c [ 83.807174][ T5254] __dump_stack+0x30/0x40 [ 83.807783][ T5254] dump_stack_lvl+0xf8/0x160 [ 83.808453][ T5254] dump_stack+0x1c/0x5c [ 83.809040][ T5254] should_fail+0x3c0/0x51c [ 83.809681][ T5254] __should_failslab+0xbc/0x10c [ 83.810368][ T5254] should_failslab+0x10/0x28 [ 83.811021][ T5254] slab_pre_alloc_hook+0x64/0xec [ 83.811737][ T5254] kmem_cache_alloc+0x94/0x3e4 [ 83.812397][ T5254] btrfs_alloc_path+0x5c/0x68 [ 83.813014][ T5254] btrfs_insert_dir_item+0x16c/0x3b8 [ 83.813785][ T5254] btrfs_add_link+0x294/0xa68 [ 83.814462][ T5254] btrfs_create+0x45c/0x508 [ 83.815091][ T5254] path_openat+0x1144/0x26e4 [ 83.815701][ T5254] do_filp_open+0x164/0x330 [ 83.816347][ T5254] do_sys_openat2+0x128/0x3d8 [ 83.817033][ T5254] __arm64_sys_openat+0x120/0x154 [ 83.817809][ T5254] invoke_syscall+0x98/0x2b8 [ 83.818424][ T5254] el0_svc_common+0x138/0x258 [ 83.819154][ T5254] do_el0_svc+0x58/0x14c [ 83.819825][ T5254] el0_svc+0x78/0x1e0 [ 83.820454][ T5254] el0t_64_sync_handler+0xcc/0xe4 [ 83.821194][ T5254] el0t_64_sync+0x1a0/0x1a4 [ 83.822915][ T5254] ------------[ cut here ]------------ [ 83.823831][ T5254] WARNING: CPU: 0 PID: 5254 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 83.825021][ T5254] Modules linked in: [ 83.825573][ T5254] CPU: 0 PID: 5254 Comm: syz.0.30 Tainted: G W syzkaller #0 [ 83.826718][ T5254] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.828056][ T5254] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 83.829093][ T5254] pc : btrfs_add_link+0x6e8/0xa68 [ 83.829824][ T5254] lr : btrfs_add_link+0x6e8/0xa68 [ 83.830522][ T5254] sp : ffff800021187580 [ 83.831248][ T5254] x29: ffff800021187680 x28: ffff0000dee6abb0 x27: 0000000000000108 [ 83.832473][ T5254] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 83.833648][ T5254] x23: 0000000000000014 x22: 1fffe0001bdcd581 x21: ffff700004230eb8 [ 83.834880][ T5254] x20: 00000000fffffff4 x19: ffff0000dee6ac08 x18: 0000000000000001 [ 83.836039][ T5254] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 83.837216][ T5254] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 83.838349][ T5254] x11: 0000000000000000 x10: 0000000000000000 x9 : 80a3a3a5d9425300 [ 83.839442][ T5254] x8 : 80a3a3a5d9425300 x7 : 0000000000000001 x6 : 0000000000000001 [ 83.840577][ T5254] x5 : ffff800021186e78 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 83.841755][ T5254] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 83.842958][ T5254] Call trace: [ 83.843441][ T5254] btrfs_add_link+0x6e8/0xa68 [ 83.844134][ T5254] btrfs_create+0x45c/0x508 [ 83.844779][ T5254] path_openat+0x1144/0x26e4 [ 83.845411][ T5254] do_filp_open+0x164/0x330 [ 83.846064][ T5254] do_sys_openat2+0x128/0x3d8 [ 83.846813][ T5254] __arm64_sys_openat+0x120/0x154 [ 83.847540][ T5254] invoke_syscall+0x98/0x2b8 [ 83.848194][ T5254] el0_svc_common+0x138/0x258 [ 83.848863][ T5254] do_el0_svc+0x58/0x14c [ 83.849481][ T5254] el0_svc+0x78/0x1e0 [ 83.850050][ T5254] el0t_64_sync_handler+0xcc/0xe4 [ 83.850720][ T5254] el0t_64_sync+0x1a0/0x1a4 [ 83.851356][ T5254] irq event stamp: 79598 [ 83.851954][ T5254] hardirqs last enabled at (79597): [] __up_console_sem+0xb4/0x100 [ 83.853271][ T5254] hardirqs last disabled at (79598): [] el1_dbg+0x24/0x80 [ 83.854477][ T5254] softirqs last enabled at (79578): [] handle_softirqs+0xa4c/0xbf0 [ 83.855875][ T5254] softirqs last disabled at (79525): [] __irq_exit_rcu+0x240/0x440 [ 83.857205][ T5254] ---[ end trace e33b5072ba1647c5 ]--- [ 83.858519][ T5254] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 83.997228][ T5276] loop0: detected capacity change from 0 to 32768 [ 84.034010][ T5276] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.31 (5276) [ 84.050746][ T5276] FAULT_INJECTION: forcing a failure. [ 84.050746][ T5276] name failslab, interval 1, probability 0, space 0, times 0 [ 84.052652][ T5276] CPU: 0 PID: 5276 Comm: syz.0.31 Tainted: G W syzkaller #0 [ 84.053886][ T5276] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.055278][ T5276] Call trace: [ 84.055778][ T5276] dump_backtrace+0x0/0x43c [ 84.056480][ T5276] show_stack+0x2c/0x3c [ 84.057063][ T5276] __dump_stack+0x30/0x40 [ 84.057729][ T5276] dump_stack_lvl+0xf8/0x160 [ 84.058417][ T5276] dump_stack+0x1c/0x5c [ 84.059002][ T5276] should_fail+0x3c0/0x51c [ 84.059616][ T5276] __should_failslab+0xbc/0x10c [ 84.060381][ T5276] should_failslab+0x10/0x28 [ 84.061051][ T5276] slab_pre_alloc_hook+0x64/0xec [ 84.061801][ T5276] kmem_cache_alloc+0x94/0x3e4 [ 84.062466][ T5276] btrfs_get_or_create_delayed_node+0x128/0x4c8 [ 84.063450][ T5276] btrfs_delayed_update_inode+0x3c/0x1b7c [ 84.064327][ T5276] btrfs_update_inode+0x210/0x3d4 [ 84.065060][ T5276] btrfs_create+0x360/0x508 [ 84.065685][ T5276] path_openat+0x1144/0x26e4 [ 84.066397][ T5276] do_filp_open+0x164/0x330 [ 84.067038][ T5276] do_sys_openat2+0x128/0x3d8 [ 84.067749][ T5276] __arm64_sys_openat+0x120/0x154 [ 84.068561][ T5276] invoke_syscall+0x98/0x2b8 [ 84.069208][ T5276] el0_svc_common+0x138/0x258 [ 84.069901][ T5276] do_el0_svc+0x58/0x14c [ 84.070574][ T5276] el0_svc+0x78/0x1e0 [ 84.071160][ T5276] el0t_64_sync_handler+0xcc/0xe4 [ 84.071963][ T5276] el0t_64_sync+0x1a0/0x1a4 [ 84.113893][ T4897] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 12 /dev/loop0 scanned by udevd (4897) 1970/01/01 00:01:24 executed programs: 19 [ 84.213661][ T5297] loop0: detected capacity change from 0 to 32768 [ 84.260545][ T5297] btrfs_printk: 176 callbacks suppressed [ 84.260555][ T5297] BTRFS info (device loop0): clearing free space tree [ 84.262584][ T5297] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 84.264097][ T5297] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 84.267534][ T5297] BTRFS info (device loop0): creating free space tree [ 84.268958][ T5297] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 84.270523][ T5297] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 84.274518][ T5297] FAULT_INJECTION: forcing a failure. [ 84.274518][ T5297] name failslab, interval 1, probability 0, space 0, times 0 [ 84.276292][ T5297] CPU: 0 PID: 5297 Comm: syz.0.32 Tainted: G W syzkaller #0 [ 84.277520][ T5297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.278941][ T5297] Call trace: [ 84.279392][ T5297] dump_backtrace+0x0/0x43c [ 84.280088][ T5297] show_stack+0x2c/0x3c [ 84.280716][ T5297] __dump_stack+0x30/0x40 [ 84.281320][ T5297] dump_stack_lvl+0xf8/0x160 [ 84.282069][ T5297] dump_stack+0x1c/0x5c [ 84.282664][ T5297] should_fail+0x3c0/0x51c [ 84.283280][ T5297] __should_failslab+0xbc/0x10c [ 84.283972][ T5297] should_failslab+0x10/0x28 [ 84.284636][ T5297] slab_pre_alloc_hook+0x64/0xec [ 84.285353][ T5297] kmem_cache_alloc+0x94/0x3e4 [ 84.286027][ T5297] btrfs_alloc_path+0x5c/0x68 [ 84.286718][ T5297] btrfs_insert_dir_item+0x16c/0x3b8 [ 84.287487][ T5297] btrfs_add_link+0x294/0xa68 [ 84.288208][ T5297] btrfs_create+0x45c/0x508 [ 84.288871][ T5297] path_openat+0x1144/0x26e4 [ 84.289563][ T5297] do_filp_open+0x164/0x330 [ 84.290202][ T5297] do_sys_openat2+0x128/0x3d8 [ 84.290830][ T5297] __arm64_sys_openat+0x120/0x154 [ 84.291644][ T5297] invoke_syscall+0x98/0x2b8 [ 84.292367][ T5297] el0_svc_common+0x138/0x258 [ 84.293052][ T5297] do_el0_svc+0x58/0x14c [ 84.293669][ T5297] el0_svc+0x78/0x1e0 [ 84.294261][ T5297] el0t_64_sync_handler+0xcc/0xe4 [ 84.295008][ T5297] el0t_64_sync+0x1a0/0x1a4 [ 84.296557][ T5297] ------------[ cut here ]------------ [ 84.297521][ T5297] WARNING: CPU: 0 PID: 5297 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 84.298759][ T5297] Modules linked in: [ 84.299387][ T5297] CPU: 0 PID: 5297 Comm: syz.0.32 Tainted: G W syzkaller #0 [ 84.300689][ T5297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.302209][ T5297] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 84.303325][ T5297] pc : btrfs_add_link+0x6e8/0xa68 [ 84.304094][ T5297] lr : btrfs_add_link+0x6e8/0xa68 [ 84.304900][ T5297] sp : ffff800021187580 [ 84.305503][ T5297] x29: ffff800021187680 x28: ffff0000dee6e420 x27: 0000000000000108 [ 84.306700][ T5297] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 84.307826][ T5297] x23: 0000000000000014 x22: 1fffe0001bdcdc8f x21: ffff700004230eb8 [ 84.308928][ T5297] x20: 00000000fffffff4 x19: ffff0000dee6e478 x18: 0000000000000001 [ 84.310113][ T5297] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 84.311213][ T5297] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 84.312338][ T5297] x11: 0000000000000000 x10: 0000000000000000 x9 : fe0c3ca3c0a4de00 [ 84.313434][ T5297] x8 : fe0c3ca3c0a4de00 x7 : 0000000000000001 x6 : 0000000000000001 [ 84.314551][ T5297] x5 : ffff800021186e78 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 84.315831][ T5297] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 84.317014][ T5297] Call trace: [ 84.317486][ T5297] btrfs_add_link+0x6e8/0xa68 [ 84.318139][ T5297] btrfs_create+0x45c/0x508 [ 84.318800][ T5297] path_openat+0x1144/0x26e4 [ 84.319458][ T5297] do_filp_open+0x164/0x330 [ 84.320156][ T5297] do_sys_openat2+0x128/0x3d8 [ 84.320849][ T5297] __arm64_sys_openat+0x120/0x154 [ 84.321543][ T5297] invoke_syscall+0x98/0x2b8 [ 84.322241][ T5297] el0_svc_common+0x138/0x258 [ 84.322926][ T5297] do_el0_svc+0x58/0x14c [ 84.323558][ T5297] el0_svc+0x78/0x1e0 [ 84.324192][ T5297] el0t_64_sync_handler+0xcc/0xe4 [ 84.324939][ T5297] el0t_64_sync+0x1a0/0x1a4 [ 84.325627][ T5297] irq event stamp: 79846 [ 84.326165][ T5297] hardirqs last enabled at (79845): [] __up_console_sem+0xb4/0x100 [ 84.327530][ T5297] hardirqs last disabled at (79846): [] el1_dbg+0x24/0x80 [ 84.328804][ T5297] softirqs last enabled at (79826): [] handle_softirqs+0xa4c/0xbf0 [ 84.330273][ T5297] softirqs last disabled at (79783): [] __irq_exit_rcu+0x240/0x440 [ 84.331658][ T5297] ---[ end trace e33b5072ba1647c6 ]--- [ 84.333367][ T5297] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 84.334753][ T5297] BTRFS info (device loop0): forced readonly [ 84.476110][ T5320] loop0: detected capacity change from 0 to 32768 [ 84.540171][ T5320] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.33 (5320) [ 84.543329][ T5320] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 84.545354][ T5320] BTRFS info (device loop0): setting nodatacow, compression disabled [ 84.546542][ T5320] BTRFS info (device loop0): setting datacow [ 84.547418][ T5320] BTRFS info (device loop0): doing ref verification [ 84.548399][ T5320] BTRFS info (device loop0): force clearing of disk cache [ 84.550307][ T5320] BTRFS info (device loop0): turning off barriers [ 84.551400][ T5320] BTRFS info (device loop0): use zlib compression, level 3 [ 84.552652][ T5320] BTRFS info (device loop0): using free space tree [ 84.553672][ T5320] BTRFS info (device loop0): has skinny extents [ 84.569899][ T5320] BTRFS info (device loop0): clearing free space tree [ 84.571037][ T5320] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 84.572399][ T5320] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 84.579772][ T5320] BTRFS info (device loop0): creating free space tree [ 84.581050][ T5320] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 84.582535][ T5320] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 84.586757][ T5320] FAULT_INJECTION: forcing a failure. [ 84.586757][ T5320] name failslab, interval 1, probability 0, space 0, times 0 [ 84.588724][ T5320] CPU: 0 PID: 5320 Comm: syz.0.33 Tainted: G W syzkaller #0 [ 84.589981][ T5320] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.591517][ T5320] Call trace: [ 84.591979][ T5320] dump_backtrace+0x0/0x43c [ 84.592604][ T5320] show_stack+0x2c/0x3c [ 84.593221][ T5320] __dump_stack+0x30/0x40 [ 84.593834][ T5320] dump_stack_lvl+0xf8/0x160 [ 84.594539][ T5320] dump_stack+0x1c/0x5c [ 84.595138][ T5320] should_fail+0x3c0/0x51c [ 84.595754][ T5320] __should_failslab+0xbc/0x10c [ 84.596438][ T5320] should_failslab+0x10/0x28 [ 84.597063][ T5320] slab_pre_alloc_hook+0x64/0xec [ 84.597797][ T5320] kmem_cache_alloc+0x94/0x3e4 [ 84.598418][ T5320] btrfs_get_or_create_delayed_node+0x128/0x4c8 [ 84.599388][ T5320] btrfs_delayed_update_inode+0x3c/0x1b7c [ 84.600213][ T5320] btrfs_update_inode+0x210/0x3d4 [ 84.600926][ T5320] btrfs_create+0x360/0x508 [ 84.601594][ T5320] path_openat+0x1144/0x26e4 [ 84.602232][ T5320] do_filp_open+0x164/0x330 [ 84.602887][ T5320] do_sys_openat2+0x128/0x3d8 [ 84.603536][ T5320] __arm64_sys_openat+0x120/0x154 [ 84.604285][ T5320] invoke_syscall+0x98/0x2b8 [ 84.604934][ T5320] el0_svc_common+0x138/0x258 [ 84.605614][ T5320] do_el0_svc+0x58/0x14c [ 84.606244][ T5320] el0_svc+0x78/0x1e0 [ 84.606812][ T5320] el0t_64_sync_handler+0xcc/0xe4 [ 84.607523][ T5320] el0t_64_sync+0x1a0/0x1a4 [ 84.758711][ T5342] loop0: detected capacity change from 0 to 32768 [ 84.765838][ T5342] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.34 (5342) [ 84.770385][ T5342] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 84.771711][ T5342] BTRFS info (device loop0): setting nodatacow, compression disabled [ 84.772854][ T5342] BTRFS info (device loop0): setting datacow [ 84.773718][ T5342] BTRFS info (device loop0): doing ref verification [ 84.774624][ T5342] BTRFS info (device loop0): force clearing of disk cache [ 84.775636][ T5342] BTRFS info (device loop0): turning off barriers [ 84.776586][ T5342] BTRFS info (device loop0): use zlib compression, level 3 [ 84.777567][ T5342] BTRFS info (device loop0): using free space tree [ 84.778523][ T5342] BTRFS info (device loop0): has skinny extents [ 84.787298][ T5342] BTRFS info (device loop0): clearing free space tree [ 84.788400][ T5342] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 84.790330][ T5342] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 84.793674][ T5342] BTRFS info (device loop0): creating free space tree [ 84.794961][ T5342] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 84.796866][ T5342] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 84.802457][ T5342] FAULT_INJECTION: forcing a failure. [ 84.802457][ T5342] name failslab, interval 1, probability 0, space 0, times 0 [ 84.804402][ T5342] CPU: 1 PID: 5342 Comm: syz.0.34 Tainted: G W syzkaller #0 [ 84.805625][ T5342] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.807065][ T5342] Call trace: [ 84.807553][ T5342] dump_backtrace+0x0/0x43c [ 84.808223][ T5342] show_stack+0x2c/0x3c [ 84.808896][ T5342] __dump_stack+0x30/0x40 [ 84.809516][ T5342] dump_stack_lvl+0xf8/0x160 [ 84.810216][ T5342] dump_stack+0x1c/0x5c [ 84.810828][ T5342] should_fail+0x3c0/0x51c [ 84.811473][ T5342] __should_failslab+0xbc/0x10c [ 84.812184][ T5342] should_failslab+0x10/0x28 [ 84.812830][ T5342] slab_pre_alloc_hook+0x64/0xec [ 84.813583][ T5342] kmem_cache_alloc+0x94/0x3e4 [ 84.814308][ T5342] btrfs_alloc_path+0x5c/0x68 [ 84.814959][ T5342] btrfs_insert_dir_item+0x16c/0x3b8 [ 84.815754][ T5342] btrfs_add_link+0x294/0xa68 [ 84.816438][ T5342] btrfs_create+0x45c/0x508 [ 84.817100][ T5342] path_openat+0x1144/0x26e4 [ 84.817801][ T5342] do_filp_open+0x164/0x330 [ 84.818471][ T5342] do_sys_openat2+0x128/0x3d8 [ 84.819205][ T5342] __arm64_sys_openat+0x120/0x154 [ 84.819925][ T5342] invoke_syscall+0x98/0x2b8 [ 84.820620][ T5342] el0_svc_common+0x138/0x258 [ 84.821317][ T5342] do_el0_svc+0x58/0x14c [ 84.821963][ T5342] el0_svc+0x78/0x1e0 [ 84.822514][ T5342] el0t_64_sync_handler+0xcc/0xe4 [ 84.823199][ T5342] el0t_64_sync+0x1a0/0x1a4 [ 84.825340][ T5342] ------------[ cut here ]------------ [ 84.826344][ T5342] WARNING: CPU: 0 PID: 5342 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 84.827698][ T5342] Modules linked in: [ 84.828349][ T5342] CPU: 0 PID: 5342 Comm: syz.0.34 Tainted: G W syzkaller #0 [ 84.829623][ T5342] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.831110][ T5342] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 84.832331][ T5342] pc : btrfs_add_link+0x6e8/0xa68 [ 84.833074][ T5342] lr : btrfs_add_link+0x6e8/0xa68 [ 84.833772][ T5342] sp : ffff800021667580 [ 84.834360][ T5342] x29: ffff800021667680 x28: ffff0000def96bb0 x27: 0000000000000108 [ 84.835506][ T5342] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 84.836617][ T5342] x23: 0000000000000014 x22: 1fffe0001bdf2d81 x21: ffff7000042cceb8 [ 84.837816][ T5342] x20: 00000000fffffff4 x19: ffff0000def96c08 x18: 0000000000000001 [ 84.838968][ T5342] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 84.840160][ T5342] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 84.841301][ T5342] x11: 0000000000000000 x10: 0000000000000000 x9 : 845d29327a425900 [ 84.842469][ T5342] x8 : 845d29327a425900 x7 : 0000000000000001 x6 : 0000000000000001 [ 84.843678][ T5342] x5 : ffff800021666e78 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 84.844880][ T5342] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 84.846091][ T5342] Call trace: [ 84.846577][ T5342] btrfs_add_link+0x6e8/0xa68 [ 84.847249][ T5342] btrfs_create+0x45c/0x508 [ 84.847926][ T5342] path_openat+0x1144/0x26e4 [ 84.848577][ T5342] do_filp_open+0x164/0x330 [ 84.849212][ T5342] do_sys_openat2+0x128/0x3d8 [ 84.849874][ T5342] __arm64_sys_openat+0x120/0x154 [ 84.850640][ T5342] invoke_syscall+0x98/0x2b8 [ 84.851277][ T5342] el0_svc_common+0x138/0x258 [ 84.851942][ T5342] do_el0_svc+0x58/0x14c [ 84.852536][ T5342] el0_svc+0x78/0x1e0 [ 84.853102][ T5342] el0t_64_sync_handler+0xcc/0xe4 [ 84.853865][ T5342] el0t_64_sync+0x1a0/0x1a4 [ 84.854511][ T5342] irq event stamp: 80178 [ 84.855088][ T5342] hardirqs last enabled at (80177): [] __up_console_sem+0xb4/0x100 [ 84.856428][ T5342] hardirqs last disabled at (80178): [] el1_dbg+0x24/0x80 [ 84.857672][ T5342] softirqs last enabled at (80158): [] handle_softirqs+0xa4c/0xbf0 [ 84.858972][ T5342] softirqs last disabled at (80149): [] __irq_exit_rcu+0x240/0x440 [ 84.860372][ T5342] ---[ end trace e33b5072ba1647c7 ]--- [ 84.863037][ T5342] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 84.864298][ T5342] BTRFS info (device loop0): forced readonly [ 85.087257][ T5364] loop0: detected capacity change from 0 to 32768 [ 85.124839][ T5364] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.35 (5364) [ 85.127984][ T5364] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 85.130516][ T5364] BTRFS info (device loop0): setting nodatacow, compression disabled [ 85.131864][ T5364] BTRFS info (device loop0): setting datacow [ 85.132825][ T5364] BTRFS info (device loop0): doing ref verification [ 85.133901][ T5364] BTRFS info (device loop0): force clearing of disk cache [ 85.135001][ T5364] BTRFS info (device loop0): turning off barriers [ 85.135990][ T5364] BTRFS info (device loop0): use zlib compression, level 3 [ 85.137070][ T5364] BTRFS info (device loop0): using free space tree [ 85.138013][ T5364] BTRFS info (device loop0): has skinny extents [ 85.146580][ T5364] BTRFS info (device loop0): clearing free space tree [ 85.147865][ T5364] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 85.149831][ T5364] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 85.153060][ T5364] BTRFS info (device loop0): creating free space tree [ 85.154386][ T5364] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 85.155963][ T5364] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 85.161113][ T5364] FAULT_INJECTION: forcing a failure. [ 85.161113][ T5364] name failslab, interval 1, probability 0, space 0, times 0 [ 85.163032][ T5364] CPU: 1 PID: 5364 Comm: syz.0.35 Tainted: G W syzkaller #0 [ 85.164306][ T5364] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.165831][ T5364] Call trace: [ 85.166294][ T5364] dump_backtrace+0x0/0x43c [ 85.166979][ T5364] show_stack+0x2c/0x3c [ 85.167544][ T5364] __dump_stack+0x30/0x40 [ 85.168156][ T5364] dump_stack_lvl+0xf8/0x160 [ 85.168852][ T5364] dump_stack+0x1c/0x5c [ 85.169473][ T5364] should_fail+0x3c0/0x51c [ 85.170098][ T5364] __should_failslab+0xbc/0x10c [ 85.170826][ T5364] should_failslab+0x10/0x28 [ 85.171526][ T5364] slab_pre_alloc_hook+0x64/0xec [ 85.172287][ T5364] kmem_cache_alloc+0x94/0x3e4 [ 85.172945][ T5364] btrfs_alloc_path+0x5c/0x68 [ 85.173564][ T5364] btrfs_insert_dir_item+0x16c/0x3b8 [ 85.174394][ T5364] btrfs_add_link+0x294/0xa68 [ 85.175030][ T5364] btrfs_create+0x45c/0x508 [ 85.175653][ T5364] path_openat+0x1144/0x26e4 [ 85.176296][ T5364] do_filp_open+0x164/0x330 [ 85.177005][ T5364] do_sys_openat2+0x128/0x3d8 [ 85.177668][ T5364] __arm64_sys_openat+0x120/0x154 [ 85.178480][ T5364] invoke_syscall+0x98/0x2b8 [ 85.179196][ T5364] el0_svc_common+0x138/0x258 [ 85.179862][ T5364] do_el0_svc+0x58/0x14c [ 85.180482][ T5364] el0_svc+0x78/0x1e0 [ 85.181115][ T5364] el0t_64_sync_handler+0xcc/0xe4 [ 85.181819][ T5364] el0t_64_sync+0x1a0/0x1a4 [ 85.184711][ T5364] ------------[ cut here ]------------ [ 85.185662][ T5364] WARNING: CPU: 1 PID: 5364 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 85.186917][ T5364] Modules linked in: [ 85.187469][ T5364] CPU: 1 PID: 5364 Comm: syz.0.35 Tainted: G W syzkaller #0 [ 85.188782][ T5364] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.190280][ T5364] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 85.191509][ T5364] pc : btrfs_add_link+0x6e8/0xa68 [ 85.192293][ T5364] lr : btrfs_add_link+0x6e8/0xa68 [ 85.193084][ T5364] sp : ffff800021797580 [ 85.193734][ T5364] x29: ffff800021797680 x28: ffff0000def96e70 x27: 0000000000000108 [ 85.194973][ T5364] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 85.196207][ T5364] x23: 0000000000000014 x22: 1fffe0001bdf2dd9 x21: ffff7000042f2eb8 [ 85.197416][ T5364] x20: 00000000fffffff4 x19: ffff0000def96ec8 x18: 0000000000000001 [ 85.198601][ T5364] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 85.199843][ T5364] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 85.201011][ T5364] x11: 0000000000000000 x10: 0000000000000000 x9 : d71f6f1f6bf34300 [ 85.202122][ T5364] x8 : d71f6f1f6bf34300 x7 : 0000000000000001 x6 : 0000000000000001 [ 85.203327][ T5364] x5 : ffff800021796e78 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 85.204571][ T5364] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 85.205795][ T5364] Call trace: [ 85.206292][ T5364] btrfs_add_link+0x6e8/0xa68 [ 85.207045][ T5364] btrfs_create+0x45c/0x508 [ 85.207742][ T5364] path_openat+0x1144/0x26e4 [ 85.208400][ T5364] do_filp_open+0x164/0x330 [ 85.209048][ T5364] do_sys_openat2+0x128/0x3d8 [ 85.209710][ T5364] __arm64_sys_openat+0x120/0x154 [ 85.210443][ T5364] invoke_syscall+0x98/0x2b8 [ 85.211093][ T5364] el0_svc_common+0x138/0x258 [ 85.211743][ T5364] do_el0_svc+0x58/0x14c [ 85.212328][ T5364] el0_svc+0x78/0x1e0 [ 85.212898][ T5364] el0t_64_sync_handler+0xcc/0xe4 [ 85.213659][ T5364] el0t_64_sync+0x1a0/0x1a4 [ 85.214356][ T5364] irq event stamp: 79764 [ 85.214953][ T5364] hardirqs last enabled at (79763): [] __up_console_sem+0xb4/0x100 [ 85.216330][ T5364] hardirqs last disabled at (79764): [] el1_dbg+0x24/0x80 [ 85.217632][ T5364] softirqs last enabled at (79744): [] handle_softirqs+0xa4c/0xbf0 [ 85.219130][ T5364] softirqs last disabled at (79735): [] __irq_exit_rcu+0x240/0x440 [ 85.220593][ T5364] ---[ end trace e33b5072ba1647c8 ]--- [ 85.223581][ T5364] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 85.224978][ T5364] BTRFS info (device loop0): forced readonly [ 85.409026][ T5386] loop0: detected capacity change from 0 to 32768 [ 85.464198][ T5386] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.36 (5386) [ 85.467583][ T5386] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 85.468962][ T5386] BTRFS info (device loop0): setting nodatacow, compression disabled [ 85.470423][ T5386] BTRFS info (device loop0): setting datacow [ 85.471295][ T5386] BTRFS info (device loop0): doing ref verification [ 85.472260][ T5386] BTRFS info (device loop0): force clearing of disk cache [ 85.473320][ T5386] BTRFS info (device loop0): turning off barriers [ 85.474308][ T5386] BTRFS info (device loop0): use zlib compression, level 3 [ 85.475339][ T5386] BTRFS info (device loop0): using free space tree [ 85.476239][ T5386] BTRFS info (device loop0): has skinny extents [ 85.486501][ T5386] BTRFS info (device loop0): clearing free space tree [ 85.487713][ T5386] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 85.489987][ T5386] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 85.493386][ T5386] BTRFS info (device loop0): creating free space tree [ 85.494763][ T5386] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 85.496224][ T5386] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 85.500819][ T5386] FAULT_INJECTION: forcing a failure. [ 85.500819][ T5386] name failslab, interval 1, probability 0, space 0, times 0 [ 85.502788][ T5386] CPU: 1 PID: 5386 Comm: syz.0.36 Tainted: G W syzkaller #0 [ 85.504090][ T5386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.505445][ T5386] Call trace: [ 85.505933][ T5386] dump_backtrace+0x0/0x43c [ 85.506620][ T5386] show_stack+0x2c/0x3c [ 85.507259][ T5386] __dump_stack+0x30/0x40 [ 85.507900][ T5386] dump_stack_lvl+0xf8/0x160 [ 85.508583][ T5386] dump_stack+0x1c/0x5c [ 85.509288][ T5386] should_fail+0x3c0/0x51c [ 85.509930][ T5386] __should_failslab+0xbc/0x10c [ 85.510590][ T5386] should_failslab+0x10/0x28 [ 85.511279][ T5386] slab_pre_alloc_hook+0x64/0xec [ 85.512034][ T5386] kmem_cache_alloc+0x94/0x3e4 [ 85.512755][ T5386] btrfs_alloc_path+0x5c/0x68 [ 85.513471][ T5386] btrfs_insert_dir_item+0x16c/0x3b8 [ 85.514278][ T5386] btrfs_add_link+0x294/0xa68 [ 85.514982][ T5386] btrfs_create+0x45c/0x508 [ 85.515606][ T5386] path_openat+0x1144/0x26e4 [ 85.516285][ T5386] do_filp_open+0x164/0x330 [ 85.516894][ T5386] do_sys_openat2+0x128/0x3d8 [ 85.517594][ T5386] __arm64_sys_openat+0x120/0x154 [ 85.518349][ T5386] invoke_syscall+0x98/0x2b8 [ 85.519016][ T5386] el0_svc_common+0x138/0x258 [ 85.519801][ T5386] do_el0_svc+0x58/0x14c [ 85.520461][ T5386] el0_svc+0x78/0x1e0 [ 85.521090][ T5386] el0t_64_sync_handler+0xcc/0xe4 [ 85.521856][ T5386] el0t_64_sync+0x1a0/0x1a4 [ 85.523116][ T5386] ------------[ cut here ]------------ [ 85.524038][ T5386] WARNING: CPU: 1 PID: 5386 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 85.525415][ T5386] Modules linked in: [ 85.526028][ T5386] CPU: 1 PID: 5386 Comm: syz.0.36 Tainted: G W syzkaller #0 [ 85.527335][ T5386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.528800][ T5386] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 85.529995][ T5386] pc : btrfs_add_link+0x6e8/0xa68 [ 85.530793][ T5386] lr : btrfs_add_link+0x6e8/0xa68 [ 85.531535][ T5386] sp : ffff8000218e7580 [ 85.532139][ T5386] x29: ffff8000218e7680 x28: ffff0000dee42c60 x27: 0000000000000108 [ 85.533335][ T5386] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 85.534488][ T5386] x23: 0000000000000014 x22: 1fffe0001bdc8597 x21: ffff70000431ceb8 [ 85.535684][ T5386] x20: 00000000fffffff4 x19: ffff0000dee42cb8 x18: 0000000000000001 [ 85.536903][ T5386] x17: 0000000000000000 x16: ffff800008302164 x15: 00000000ffffffff [ 85.538152][ T5386] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 85.539325][ T5386] x11: 0000000000000000 x10: 0000000000000000 x9 : fd498c5d6e990900 [ 85.540555][ T5386] x8 : fd498c5d6e990900 x7 : 0000000000000001 x6 : 0000000000000001 [ 85.541804][ T5386] x5 : ffff8000218e6e78 x4 : ffff8000141ff5a0 x3 : ffff800008302274 [ 85.543040][ T5386] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 85.544202][ T5386] Call trace: [ 85.544672][ T5386] btrfs_add_link+0x6e8/0xa68 [ 85.545365][ T5386] btrfs_create+0x45c/0x508 [ 85.546092][ T5386] path_openat+0x1144/0x26e4 [ 85.546813][ T5386] do_filp_open+0x164/0x330 [ 85.547454][ T5386] do_sys_openat2+0x128/0x3d8 [ 85.548193][ T5386] __arm64_sys_openat+0x120/0x154 [ 85.548961][ T5386] invoke_syscall+0x98/0x2b8 [ 85.549610][ T5386] el0_svc_common+0x138/0x258 [ 85.550292][ T5386] do_el0_svc+0x58/0x14c [ 85.550994][ T5386] el0_svc+0x78/0x1e0 [ 85.551572][ T5386] el0t_64_sync_handler+0xcc/0xe4 [ 85.552271][ T5386] el0t_64_sync+0x1a0/0x1a4 [ 85.552925][ T5386] irq event stamp: 79922 [ 85.553554][ T5386] hardirqs last enabled at (79921): [] __up_console_sem+0xb4/0x100 [ 85.554919][ T5386] hardirqs last disabled at (79922): [] el1_dbg+0x24/0x80 [ 85.556101][ T5386] softirqs last enabled at (79902): [] handle_softirqs+0xa4c/0xbf0 [ 85.557530][ T5386] softirqs last disabled at (79799): [] __irq_exit_rcu+0x240/0x440 [ 85.558967][ T5386] ---[ end trace e33b5072ba1647c9 ]--- [ 85.559956][ T5386] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 85.561384][ T5386] BTRFS info (device loop0): forced readonly [ 85.739270][ T5408] loop0: detected capacity change from 0 to 32768 [ 85.810392][ T5408] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.37 (5408) [ 85.813484][ T5408] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 85.814768][ T5408] BTRFS info (device loop0): setting nodatacow, compression disabled [ 85.816156][ T5408] BTRFS info (device loop0): setting datacow [ 85.817052][ T5408] BTRFS info (device loop0): doing ref verification [ 85.818074][ T5408] BTRFS info (device loop0): force clearing of disk cache [ 85.819291][ T5408] BTRFS info (device loop0): turning off barriers [ 85.820278][ T5408] BTRFS info (device loop0): use zlib compression, level 3 [ 85.821508][ T5408] BTRFS info (device loop0): using free space tree [ 85.822571][ T5408] BTRFS info (device loop0): has skinny extents [ 85.836149][ T5408] BTRFS info (device loop0): clearing free space tree [ 85.837245][ T5408] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 85.838831][ T5408] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 85.842641][ T5408] BTRFS info (device loop0): creating free space tree [ 85.844060][ T5408] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 85.845551][ T5408] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 85.850966][ T5408] FAULT_INJECTION: forcing a failure. [ 85.850966][ T5408] name failslab, interval 1, probability 0, space 0, times 0 [ 85.852834][ T5408] CPU: 1 PID: 5408 Comm: syz.0.37 Tainted: G W syzkaller #0 [ 85.854199][ T5408] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.855720][ T5408] Call trace: [ 85.856151][ T5408] dump_backtrace+0x0/0x43c [ 85.856787][ T5408] show_stack+0x2c/0x3c [ 85.857350][ T5408] __dump_stack+0x30/0x40 [ 85.857943][ T5408] dump_stack_lvl+0xf8/0x160 [ 85.858644][ T5408] dump_stack+0x1c/0x5c [ 85.859305][ T5408] should_fail+0x3c0/0x51c [ 85.859935][ T5408] __should_failslab+0xbc/0x10c [ 85.860671][ T5408] should_failslab+0x10/0x28 [ 85.861359][ T5408] slab_pre_alloc_hook+0x64/0xec [ 85.862064][ T5408] kmem_cache_alloc+0x94/0x3e4 [ 85.862776][ T5408] btrfs_alloc_path+0x5c/0x68 [ 85.863476][ T5408] btrfs_insert_dir_item+0x16c/0x3b8 [ 85.864266][ T5408] btrfs_add_link+0x294/0xa68 [ 85.864944][ T5408] btrfs_create+0x45c/0x508 [ 85.865635][ T5408] path_openat+0x1144/0x26e4 [ 85.866303][ T5408] do_filp_open+0x164/0x330 [ 85.867027][ T5408] do_sys_openat2+0x128/0x3d8 [ 85.867816][ T5408] __arm64_sys_openat+0x120/0x154 [ 85.868671][ T5408] invoke_syscall+0x98/0x2b8 [ 85.869452][ T5408] el0_svc_common+0x138/0x258 [ 85.870168][ T5408] do_el0_svc+0x58/0x14c [ 85.870878][ T5408] el0_svc+0x78/0x1e0 [ 85.871500][ T5408] el0t_64_sync_handler+0xcc/0xe4 [ 85.872303][ T5408] el0t_64_sync+0x1a0/0x1a4 [ 85.874699][ T5408] ------------[ cut here ]------------ [ 85.875686][ T5408] WARNING: CPU: 1 PID: 5408 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 85.877107][ T5408] Modules linked in: [ 85.877696][ T5408] CPU: 1 PID: 5408 Comm: syz.0.37 Tainted: G W syzkaller #0 [ 85.878907][ T5408] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.880442][ T5408] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 85.881581][ T5408] pc : btrfs_add_link+0x6e8/0xa68 [ 85.882353][ T5408] lr : btrfs_add_link+0x6e8/0xa68 [ 85.883183][ T5408] sp : ffff800021957580 [ 85.883839][ T5408] x29: ffff800021957680 x28: ffff0000dee429a0 x27: 0000000000000108 [ 85.885112][ T5408] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 85.886354][ T5408] x23: 0000000000000014 x22: 1fffe0001bdc853f x21: ffff70000432aeb8 [ 85.887548][ T5408] x20: 00000000fffffff4 x19: ffff0000dee429f8 x18: 0000000000000001 [ 85.888790][ T5408] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 85.890049][ T5408] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 85.891285][ T5408] x11: 0000000000000000 x10: 0000000000000000 x9 : fd3d2ff9d6fec700 [ 85.892539][ T5408] x8 : fd3d2ff9d6fec700 x7 : 0000000000000001 x6 : 0000000000000001 [ 85.893732][ T5408] x5 : ffff800021956e78 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 85.895027][ T5408] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 85.896255][ T5408] Call trace: [ 85.896775][ T5408] btrfs_add_link+0x6e8/0xa68 [ 85.897480][ T5408] btrfs_create+0x45c/0x508 [ 85.898174][ T5408] path_openat+0x1144/0x26e4 [ 85.898889][ T5408] do_filp_open+0x164/0x330 [ 85.899596][ T5408] do_sys_openat2+0x128/0x3d8 [ 85.900360][ T5408] __arm64_sys_openat+0x120/0x154 [ 85.901115][ T5408] invoke_syscall+0x98/0x2b8 [ 85.901903][ T5408] el0_svc_common+0x138/0x258 [ 85.902603][ T5408] do_el0_svc+0x58/0x14c [ 85.903327][ T5408] el0_svc+0x78/0x1e0 [ 85.904020][ T5408] el0t_64_sync_handler+0xcc/0xe4 [ 85.904898][ T5408] el0t_64_sync+0x1a0/0x1a4 [ 85.905627][ T5408] irq event stamp: 80492 [ 85.906223][ T5408] hardirqs last enabled at (80491): [] __up_console_sem+0xb4/0x100 [ 85.907696][ T5408] hardirqs last disabled at (80492): [] el1_dbg+0x24/0x80 [ 85.908974][ T5408] softirqs last enabled at (80472): [] handle_softirqs+0xa4c/0xbf0 [ 85.910409][ T5408] softirqs last disabled at (80429): [] __irq_exit_rcu+0x240/0x440 [ 85.911887][ T5408] ---[ end trace e33b5072ba1647ca ]--- [ 85.913681][ T5408] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 85.915038][ T5408] BTRFS info (device loop0): forced readonly [ 86.098863][ T5430] loop0: detected capacity change from 0 to 32768 [ 86.150324][ T5430] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.38 (5430) [ 86.154914][ T5430] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 86.156261][ T5430] BTRFS info (device loop0): setting nodatacow, compression disabled [ 86.157557][ T5430] BTRFS info (device loop0): setting datacow [ 86.158515][ T5430] BTRFS info (device loop0): doing ref verification [ 86.159581][ T5430] BTRFS info (device loop0): force clearing of disk cache [ 86.160871][ T5430] BTRFS info (device loop0): turning off barriers [ 86.161971][ T5430] BTRFS info (device loop0): use zlib compression, level 3 [ 86.163117][ T5430] BTRFS info (device loop0): using free space tree [ 86.164127][ T5430] BTRFS info (device loop0): has skinny extents [ 86.172634][ T5430] BTRFS info (device loop0): clearing free space tree [ 86.173749][ T5430] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 86.175135][ T5430] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 86.178495][ T5430] BTRFS info (device loop0): creating free space tree [ 86.180543][ T5430] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 86.184749][ T5430] FAULT_INJECTION: forcing a failure. [ 86.184749][ T5430] name failslab, interval 1, probability 0, space 0, times 0 [ 86.186785][ T5430] CPU: 1 PID: 5430 Comm: syz.0.38 Tainted: G W syzkaller #0 [ 86.188217][ T5430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.189926][ T5430] Call trace: [ 86.190433][ T5430] dump_backtrace+0x0/0x43c [ 86.191163][ T5430] show_stack+0x2c/0x3c [ 86.191773][ T5430] __dump_stack+0x30/0x40 [ 86.192425][ T5430] dump_stack_lvl+0xf8/0x160 [ 86.193163][ T5430] dump_stack+0x1c/0x5c [ 86.193825][ T5430] should_fail+0x3c0/0x51c [ 86.194550][ T5430] __should_failslab+0xbc/0x10c [ 86.195265][ T5430] should_failslab+0x10/0x28 [ 86.195951][ T5430] slab_pre_alloc_hook+0x64/0xec [ 86.196616][ T5430] kmem_cache_alloc+0x94/0x3e4 [ 86.197321][ T5430] btrfs_get_or_create_delayed_node+0x128/0x4c8 [ 86.198175][ T5430] btrfs_delayed_update_inode+0x3c/0x1b7c [ 86.198933][ T5430] btrfs_update_inode+0x210/0x3d4 [ 86.199651][ T5430] btrfs_create+0x360/0x508 [ 86.200324][ T5430] path_openat+0x1144/0x26e4 [ 86.200949][ T5430] do_filp_open+0x164/0x330 [ 86.201573][ T5430] do_sys_openat2+0x128/0x3d8 [ 86.202257][ T5430] __arm64_sys_openat+0x120/0x154 [ 86.202947][ T5430] invoke_syscall+0x98/0x2b8 [ 86.203640][ T5430] el0_svc_common+0x138/0x258 [ 86.204294][ T5430] do_el0_svc+0x58/0x14c [ 86.204937][ T5430] el0_svc+0x78/0x1e0 [ 86.205502][ T5430] el0t_64_sync_handler+0xcc/0xe4 [ 86.206254][ T5430] el0t_64_sync+0x1a0/0x1a4 [ 86.348158][ T5452] loop0: detected capacity change from 0 to 32768 [ 86.401795][ T5452] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.39 (5452) [ 86.419562][ T5452] FAULT_INJECTION: forcing a failure. [ 86.419562][ T5452] name failslab, interval 1, probability 0, space 0, times 0 [ 86.421485][ T5452] CPU: 0 PID: 5452 Comm: syz.0.39 Tainted: G W syzkaller #0 [ 86.422736][ T5452] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.424145][ T5452] Call trace: [ 86.424612][ T5452] dump_backtrace+0x0/0x43c [ 86.425309][ T5452] show_stack+0x2c/0x3c [ 86.425879][ T5452] __dump_stack+0x30/0x40 [ 86.426441][ T5452] dump_stack_lvl+0xf8/0x160 [ 86.427095][ T5452] dump_stack+0x1c/0x5c [ 86.427697][ T5452] should_fail+0x3c0/0x51c [ 86.428267][ T5452] __should_failslab+0xbc/0x10c [ 86.428999][ T5452] should_failslab+0x10/0x28 [ 86.429653][ T5452] slab_pre_alloc_hook+0x64/0xec [ 86.430340][ T5452] kmem_cache_alloc+0x94/0x3e4 [ 86.431038][ T5452] btrfs_alloc_path+0x5c/0x68 [ 86.431763][ T5452] btrfs_insert_dir_item+0x16c/0x3b8 [ 86.432613][ T5452] btrfs_add_link+0x294/0xa68 [ 86.433248][ T5452] btrfs_create+0x45c/0x508 [ 86.433876][ T5452] path_openat+0x1144/0x26e4 [ 86.434531][ T5452] do_filp_open+0x164/0x330 [ 86.435230][ T5452] do_sys_openat2+0x128/0x3d8 [ 86.435944][ T5452] __arm64_sys_openat+0x120/0x154 [ 86.436667][ T5452] invoke_syscall+0x98/0x2b8 [ 86.437327][ T5452] el0_svc_common+0x138/0x258 [ 86.438073][ T5452] do_el0_svc+0x58/0x14c [ 86.438757][ T5452] el0_svc+0x78/0x1e0 [ 86.439357][ T5452] el0t_64_sync_handler+0xcc/0xe4 [ 86.440121][ T5452] el0t_64_sync+0x1a0/0x1a4 [ 86.442153][ T5452] ------------[ cut here ]------------ [ 86.443122][ T5452] WARNING: CPU: 0 PID: 5452 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 86.444507][ T5452] Modules linked in: [ 86.445115][ T5452] CPU: 0 PID: 5452 Comm: syz.0.39 Tainted: G W syzkaller #0 [ 86.446312][ T5452] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.447727][ T5452] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 86.448922][ T5452] pc : btrfs_add_link+0x6e8/0xa68 [ 86.449688][ T5452] lr : btrfs_add_link+0x6e8/0xa68 [ 86.450488][ T5452] sp : ffff800021c07580 [ 86.451116][ T5452] x29: ffff800021c07680 x28: ffff0000dee6ebb0 x27: 0000000000000108 [ 86.452388][ T5452] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 86.453603][ T5452] x23: 0000000000000014 x22: 1fffe0001bdcdd81 x21: ffff700004380eb8 [ 86.454814][ T5452] x20: 00000000fffffff4 x19: ffff0000dee6ec08 x18: 0000000000000001 [ 86.456053][ T5452] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 86.457362][ T5452] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 86.458631][ T5452] x11: 0000000000000000 x10: 0000000000000000 x9 : 441906f763231f00 [ 86.459877][ T5452] x8 : 441906f763231f00 x7 : 0000000000000001 x6 : 0000000000000001 [ 86.461202][ T5452] x5 : ffff800021c06e78 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 86.462392][ T5452] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 86.463659][ T5452] Call trace: [ 86.464141][ T5452] btrfs_add_link+0x6e8/0xa68 [ 86.464835][ T5452] btrfs_create+0x45c/0x508 [ 86.465505][ T5452] path_openat+0x1144/0x26e4 [ 86.466186][ T5452] do_filp_open+0x164/0x330 [ 86.466831][ T5452] do_sys_openat2+0x128/0x3d8 [ 86.467522][ T5452] __arm64_sys_openat+0x120/0x154 [ 86.468198][ T5452] invoke_syscall+0x98/0x2b8 [ 86.468860][ T5452] el0_svc_common+0x138/0x258 [ 86.469527][ T5452] do_el0_svc+0x58/0x14c [ 86.470129][ T5452] el0_svc+0x78/0x1e0 [ 86.470758][ T5452] el0t_64_sync_handler+0xcc/0xe4 [ 86.471501][ T5452] el0t_64_sync+0x1a0/0x1a4 [ 86.472174][ T5452] irq event stamp: 79562 [ 86.472792][ T5452] hardirqs last enabled at (79561): [] __up_console_sem+0xb4/0x100 [ 86.474219][ T5452] hardirqs last disabled at (79562): [] el1_dbg+0x24/0x80 [ 86.475509][ T5452] softirqs last enabled at (79542): [] handle_softirqs+0xa4c/0xbf0 [ 86.476947][ T5452] softirqs last disabled at (79501): [] __irq_exit_rcu+0x240/0x440 [ 86.478401][ T5452] ---[ end trace e33b5072ba1647cb ]--- [ 86.480630][ T5452] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 86.618108][ T5474] loop0: detected capacity change from 0 to 32768 [ 86.673623][ T5474] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.40 (5474) [ 86.691207][ T5474] FAULT_INJECTION: forcing a failure. [ 86.691207][ T5474] name failslab, interval 1, probability 0, space 0, times 0 [ 86.693187][ T5474] CPU: 0 PID: 5474 Comm: syz.0.40 Tainted: G W syzkaller #0 [ 86.694600][ T5474] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.696274][ T5474] Call trace: [ 86.696805][ T5474] dump_backtrace+0x0/0x43c [ 86.697483][ T5474] show_stack+0x2c/0x3c [ 86.698139][ T5474] __dump_stack+0x30/0x40 [ 86.698741][ T5474] dump_stack_lvl+0xf8/0x160 [ 86.699420][ T5474] dump_stack+0x1c/0x5c [ 86.700021][ T5474] should_fail+0x3c0/0x51c [ 86.700753][ T5474] __should_failslab+0xbc/0x10c [ 86.701503][ T5474] should_failslab+0x10/0x28 [ 86.702224][ T5474] slab_pre_alloc_hook+0x64/0xec [ 86.702929][ T5474] kmem_cache_alloc+0x94/0x3e4 [ 86.703634][ T5474] btrfs_alloc_path+0x5c/0x68 [ 86.704349][ T5474] btrfs_insert_dir_item+0x16c/0x3b8 [ 86.705135][ T5474] btrfs_add_link+0x294/0xa68 [ 86.705792][ T5474] btrfs_create+0x45c/0x508 [ 86.706403][ T5474] path_openat+0x1144/0x26e4 [ 86.707080][ T5474] do_filp_open+0x164/0x330 [ 86.707779][ T5474] do_sys_openat2+0x128/0x3d8 [ 86.708476][ T5474] __arm64_sys_openat+0x120/0x154 [ 86.709227][ T5474] invoke_syscall+0x98/0x2b8 [ 86.709904][ T5474] el0_svc_common+0x138/0x258 [ 86.710598][ T5474] do_el0_svc+0x58/0x14c [ 86.711197][ T5474] el0_svc+0x78/0x1e0 [ 86.711741][ T5474] el0t_64_sync_handler+0xcc/0xe4 [ 86.712448][ T5474] el0t_64_sync+0x1a0/0x1a4 [ 86.715678][ T5474] ------------[ cut here ]------------ [ 86.716650][ T5474] WARNING: CPU: 0 PID: 5474 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 86.717902][ T5474] Modules linked in: [ 86.718461][ T5474] CPU: 0 PID: 5474 Comm: syz.0.40 Tainted: G W syzkaller #0 [ 86.719706][ T5474] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.721180][ T5474] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 86.722273][ T5474] pc : btrfs_add_link+0x6e8/0xa68 [ 86.722998][ T5474] lr : btrfs_add_link+0x6e8/0xa68 [ 86.723785][ T5474] sp : ffff800021d27580 [ 86.724383][ T5474] x29: ffff800021d27680 x28: ffff0000dee6ee70 x27: 0000000000000108 [ 86.725607][ T5474] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 86.726821][ T5474] x23: 0000000000000014 x22: 1fffe0001bdcddd9 x21: ffff7000043a4eb8 [ 86.728069][ T5474] x20: 00000000fffffff4 x19: ffff0000dee6eec8 x18: 0000000000000001 [ 86.729176][ T5474] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 86.730236][ T5474] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 86.731388][ T5474] x11: 0000000000000000 x10: 0000000000000000 x9 : 10be583a48d87c00 [ 86.732554][ T5474] x8 : 10be583a48d87c00 x7 : 0000000000000001 x6 : 0000000000000001 [ 86.733687][ T5474] x5 : ffff800021d26e78 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 86.734879][ T5474] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 86.736112][ T5474] Call trace: [ 86.736567][ T5474] btrfs_add_link+0x6e8/0xa68 [ 86.737228][ T5474] btrfs_create+0x45c/0x508 [ 86.737878][ T5474] path_openat+0x1144/0x26e4 [ 86.738707][ T5474] do_filp_open+0x164/0x330 [ 86.739404][ T5474] do_sys_openat2+0x128/0x3d8 [ 86.740168][ T5474] __arm64_sys_openat+0x120/0x154 [ 86.740947][ T5474] invoke_syscall+0x98/0x2b8 [ 86.741652][ T5474] el0_svc_common+0x138/0x258 [ 86.742402][ T5474] do_el0_svc+0x58/0x14c [ 86.743044][ T5474] el0_svc+0x78/0x1e0 [ 86.743642][ T5474] el0t_64_sync_handler+0xcc/0xe4 [ 86.744481][ T5474] el0t_64_sync+0x1a0/0x1a4 [ 86.745212][ T5474] irq event stamp: 79510 [ 86.745909][ T5474] hardirqs last enabled at (79509): [] __up_console_sem+0xb4/0x100 [ 86.747352][ T5474] hardirqs last disabled at (79510): [] el1_dbg+0x24/0x80 [ 86.748591][ T5474] softirqs last enabled at (79490): [] handle_softirqs+0xa4c/0xbf0 [ 86.749993][ T5474] softirqs last disabled at (79471): [] __irq_exit_rcu+0x240/0x440 [ 86.751436][ T5474] ---[ end trace e33b5072ba1647cc ]--- [ 86.754806][ T5474] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 86.889947][ T5496] loop0: detected capacity change from 0 to 32768 [ 86.897075][ T5496] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.41 (5496) [ 86.930178][ T5496] FAULT_INJECTION: forcing a failure. [ 86.930178][ T5496] name failslab, interval 1, probability 0, space 0, times 0 [ 86.932299][ T5496] CPU: 1 PID: 5496 Comm: syz.0.41 Tainted: G W syzkaller #0 [ 86.933629][ T5496] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.935146][ T5496] Call trace: [ 86.935593][ T5496] dump_backtrace+0x0/0x43c [ 86.936256][ T5496] show_stack+0x2c/0x3c [ 86.936930][ T5496] __dump_stack+0x30/0x40 [ 86.937554][ T5496] dump_stack_lvl+0xf8/0x160 [ 86.938208][ T5496] dump_stack+0x1c/0x5c [ 86.938923][ T5496] should_fail+0x3c0/0x51c [ 86.939517][ T5496] __should_failslab+0xbc/0x10c [ 86.940259][ T5496] should_failslab+0x10/0x28 [ 86.940893][ T5496] slab_pre_alloc_hook+0x64/0xec [ 86.941590][ T5496] kmem_cache_alloc+0x94/0x3e4 [ 86.942284][ T5496] btrfs_alloc_path+0x5c/0x68 [ 86.942922][ T5496] btrfs_insert_dir_item+0x16c/0x3b8 [ 86.943676][ T5496] btrfs_add_link+0x294/0xa68 [ 86.944348][ T5496] btrfs_create+0x45c/0x508 [ 86.945020][ T5496] path_openat+0x1144/0x26e4 [ 86.945697][ T5496] do_filp_open+0x164/0x330 [ 86.946478][ T5496] do_sys_openat2+0x128/0x3d8 [ 86.947205][ T5496] __arm64_sys_openat+0x120/0x154 [ 86.947993][ T5496] invoke_syscall+0x98/0x2b8 [ 86.948673][ T5496] el0_svc_common+0x138/0x258 [ 86.949334][ T5496] do_el0_svc+0x58/0x14c [ 86.949973][ T5496] el0_svc+0x78/0x1e0 [ 86.950543][ T5496] el0t_64_sync_handler+0xcc/0xe4 [ 86.951275][ T5496] el0t_64_sync+0x1a0/0x1a4 [ 86.953617][ T5496] ------------[ cut here ]------------ [ 86.954671][ T5496] WARNING: CPU: 1 PID: 5496 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 86.956143][ T5496] Modules linked in: [ 86.956766][ T5496] CPU: 1 PID: 5496 Comm: syz.0.41 Tainted: G W syzkaller #0 [ 86.958077][ T5496] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.959643][ T5496] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 86.960816][ T5496] pc : btrfs_add_link+0x6e8/0xa68 [ 86.961637][ T5496] lr : btrfs_add_link+0x6e8/0xa68 [ 86.962423][ T5496] sp : ffff800021d27580 [ 86.963073][ T5496] x29: ffff800021d27680 x28: ffff0000dee42160 x27: 0000000000000108 [ 86.964389][ T5496] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 86.965742][ T5496] x23: 0000000000000014 x22: 1fffe0001bdc8437 x21: ffff7000043a4eb8 [ 86.966970][ T5496] x20: 00000000fffffff4 x19: ffff0000dee421b8 x18: 0000000000000001 [ 86.968221][ T5496] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 86.969514][ T5496] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 86.970763][ T5496] x11: 0000000000000000 x10: 0000000000000000 x9 : 1baaa53e8eaf0900 [ 86.972006][ T5496] x8 : 1baaa53e8eaf0900 x7 : 0000000000000001 x6 : 0000000000000001 [ 86.973210][ T5496] x5 : ffff800021d26e78 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 86.974438][ T5496] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 86.975663][ T5496] Call trace: [ 86.976110][ T5496] btrfs_add_link+0x6e8/0xa68 [ 86.976867][ T5496] btrfs_create+0x45c/0x508 [ 86.977547][ T5496] path_openat+0x1144/0x26e4 [ 86.978215][ T5496] do_filp_open+0x164/0x330 [ 86.978874][ T5496] do_sys_openat2+0x128/0x3d8 [ 86.979576][ T5496] __arm64_sys_openat+0x120/0x154 [ 86.980463][ T5496] invoke_syscall+0x98/0x2b8 [ 86.981235][ T5496] el0_svc_common+0x138/0x258 [ 86.982031][ T5496] do_el0_svc+0x58/0x14c [ 86.982723][ T5496] el0_svc+0x78/0x1e0 [ 86.983363][ T5496] el0t_64_sync_handler+0xcc/0xe4 [ 86.984121][ T5496] el0t_64_sync+0x1a0/0x1a4 [ 86.984791][ T5496] irq event stamp: 80096 [ 86.985452][ T5496] hardirqs last enabled at (80095): [] __up_console_sem+0xb4/0x100 [ 86.986977][ T5496] hardirqs last disabled at (80096): [] el1_dbg+0x24/0x80 [ 86.988268][ T5496] softirqs last enabled at (80076): [] handle_softirqs+0xa4c/0xbf0 [ 86.989788][ T5496] softirqs last disabled at (80041): [] __irq_exit_rcu+0x240/0x440 [ 86.991281][ T5496] ---[ end trace e33b5072ba1647cd ]--- [ 86.994240][ T5496] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 87.125253][ T5518] loop0: detected capacity change from 0 to 32768 [ 87.170365][ T5518] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.42 (5518) [ 87.239570][ T5518] FAULT_INJECTION: forcing a failure. [ 87.239570][ T5518] name failslab, interval 1, probability 0, space 0, times 0 [ 87.241598][ T5518] CPU: 0 PID: 5518 Comm: syz.0.42 Tainted: G W syzkaller #0 [ 87.242875][ T5518] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 87.244419][ T5518] Call trace: [ 87.244883][ T5518] dump_backtrace+0x0/0x43c [ 87.245495][ T5518] show_stack+0x2c/0x3c [ 87.246129][ T5518] __dump_stack+0x30/0x40 [ 87.246761][ T5518] dump_stack_lvl+0xf8/0x160 [ 87.247425][ T5518] dump_stack+0x1c/0x5c [ 87.248044][ T5518] should_fail+0x3c0/0x51c [ 87.248701][ T5518] __should_failslab+0xbc/0x10c [ 87.249447][ T5518] should_failslab+0x10/0x28 [ 87.250117][ T5518] slab_pre_alloc_hook+0x64/0xec [ 87.250852][ T5518] kmem_cache_alloc+0x94/0x3e4 [ 87.251574][ T5518] btrfs_get_or_create_delayed_node+0x128/0x4c8 [ 87.252446][ T5518] btrfs_delayed_update_inode+0x3c/0x1b7c [ 87.253317][ T5518] btrfs_update_inode+0x210/0x3d4 [ 87.254026][ T5518] btrfs_create+0x360/0x508 [ 87.254699][ T5518] path_openat+0x1144/0x26e4 [ 87.255338][ T5518] do_filp_open+0x164/0x330 [ 87.256016][ T5518] do_sys_openat2+0x128/0x3d8 [ 87.256694][ T5518] __arm64_sys_openat+0x120/0x154 [ 87.257443][ T5518] invoke_syscall+0x98/0x2b8 [ 87.258084][ T5518] el0_svc_common+0x138/0x258 [ 87.258768][ T5518] do_el0_svc+0x58/0x14c [ 87.259398][ T5518] el0_svc+0x78/0x1e0 [ 87.259954][ T5518] el0t_64_sync_handler+0xcc/0xe4 [ 87.260676][ T5518] el0t_64_sync+0x1a0/0x1a4 [ 87.313687][ T4897] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 12 /dev/loop0 scanned by udevd (4897) [ 87.405825][ T5539] loop0: detected capacity change from 0 to 32768 [ 87.467842][ T5539] FAULT_INJECTION: forcing a failure. [ 87.467842][ T5539] name failslab, interval 1, probability 0, space 0, times 0 [ 87.477596][ T5539] CPU: 1 PID: 5539 Comm: syz.0.43 Tainted: G W syzkaller #0 [ 87.479019][ T5539] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 87.480688][ T5539] Call trace: [ 87.481197][ T5539] dump_backtrace+0x0/0x43c [ 87.481934][ T5539] show_stack+0x2c/0x3c [ 87.482635][ T5539] __dump_stack+0x30/0x40 [ 87.483302][ T5539] dump_stack_lvl+0xf8/0x160 [ 87.483994][ T5539] dump_stack+0x1c/0x5c [ 87.484671][ T5539] should_fail+0x3c0/0x51c [ 87.485373][ T5539] __should_failslab+0xbc/0x10c [ 87.486085][ T5539] should_failslab+0x10/0x28 [ 87.486779][ T5539] slab_pre_alloc_hook+0x64/0xec [ 87.487514][ T5539] kmem_cache_alloc+0x94/0x3e4 [ 87.488318][ T5539] btrfs_alloc_path+0x5c/0x68 [ 87.489072][ T5539] btrfs_insert_dir_item+0x16c/0x3b8 [ 87.489929][ T5539] btrfs_add_link+0x294/0xa68 [ 87.490678][ T5539] btrfs_create+0x45c/0x508 [ 87.491407][ T5539] path_openat+0x1144/0x26e4 [ 87.492138][ T5539] do_filp_open+0x164/0x330 [ 87.492811][ T5539] do_sys_openat2+0x128/0x3d8 [ 87.493577][ T5539] __arm64_sys_openat+0x120/0x154 [ 87.494261][ T5539] invoke_syscall+0x98/0x2b8 [ 87.494938][ T5539] el0_svc_common+0x138/0x258 [ 87.495598][ T5539] do_el0_svc+0x58/0x14c [ 87.496255][ T5539] el0_svc+0x78/0x1e0 [ 87.496828][ T5539] el0t_64_sync_handler+0xcc/0xe4 [ 87.497542][ T5539] el0t_64_sync+0x1a0/0x1a4 [ 87.499062][ T5539] ------------[ cut here ]------------ [ 87.500231][ T5539] WARNING: CPU: 1 PID: 5539 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 87.501458][ T5539] Modules linked in: [ 87.502012][ T5539] CPU: 1 PID: 5539 Comm: syz.0.43 Tainted: G W syzkaller #0 [ 87.503276][ T5539] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 87.504678][ T5539] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 87.505826][ T5539] pc : btrfs_add_link+0x6e8/0xa68 [ 87.506527][ T5539] lr : btrfs_add_link+0x6e8/0xa68 [ 87.507222][ T5539] sp : ffff800021d27580 [ 87.507812][ T5539] x29: ffff800021d27680 x28: ffff0000dee42e70 x27: 0000000000000108 [ 87.509013][ T5539] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 87.510231][ T5539] x23: 0000000000000014 x22: 1fffe0001bdc85d9 x21: ffff7000043a4eb8 [ 87.511427][ T5539] x20: 00000000fffffff4 x19: ffff0000dee42ec8 x18: 0000000000000001 [ 87.512604][ T5539] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 87.513825][ T5539] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 87.515030][ T5539] x11: 0000000000000000 x10: 0000000000000000 x9 : 7266c5c84ea90c00 [ 87.516157][ T5539] x8 : 7266c5c84ea90c00 x7 : 0000000000000001 x6 : 0000000000000001 [ 87.517310][ T5539] x5 : ffff800021d26e78 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 87.518480][ T5539] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 87.519706][ T5539] Call trace: [ 87.520164][ T5539] btrfs_add_link+0x6e8/0xa68 [ 87.520833][ T5539] btrfs_create+0x45c/0x508 [ 87.521519][ T5539] path_openat+0x1144/0x26e4 [ 87.522217][ T5539] do_filp_open+0x164/0x330 [ 87.522896][ T5539] do_sys_openat2+0x128/0x3d8 [ 87.523536][ T5539] __arm64_sys_openat+0x120/0x154 [ 87.524244][ T5539] invoke_syscall+0x98/0x2b8 [ 87.524935][ T5539] el0_svc_common+0x138/0x258 [ 87.525643][ T5539] do_el0_svc+0x58/0x14c [ 87.526272][ T5539] el0_svc+0x78/0x1e0 [ 87.526847][ T5539] el0t_64_sync_handler+0xcc/0xe4 [ 87.527584][ T5539] el0t_64_sync+0x1a0/0x1a4 [ 87.528306][ T5539] irq event stamp: 79710 [ 87.528936][ T5539] hardirqs last enabled at (79709): [] __up_console_sem+0xb4/0x100 [ 87.530355][ T5539] hardirqs last disabled at (79710): [] el1_dbg+0x24/0x80 [ 87.531767][ T5539] softirqs last enabled at (79696): [] handle_softirqs+0xa4c/0xbf0 [ 87.533263][ T5539] softirqs last disabled at (79595): [] __irq_exit_rcu+0x240/0x440 [ 87.534771][ T5539] ---[ end trace e33b5072ba1647ce ]--- [ 87.536589][ T5539] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 87.674299][ T5562] loop0: detected capacity change from 0 to 32768 [ 87.678345][ T5562] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.44 (5562) [ 87.707374][ T5562] FAULT_INJECTION: forcing a failure. [ 87.707374][ T5562] name failslab, interval 1, probability 0, space 0, times 0 [ 87.710160][ T5562] CPU: 0 PID: 5562 Comm: syz.0.44 Tainted: G W syzkaller #0 [ 87.711404][ T5562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 87.712843][ T5562] Call trace: [ 87.713334][ T5562] dump_backtrace+0x0/0x43c [ 87.713999][ T5562] show_stack+0x2c/0x3c [ 87.714624][ T5562] __dump_stack+0x30/0x40 [ 87.715274][ T5562] dump_stack_lvl+0xf8/0x160 [ 87.715953][ T5562] dump_stack+0x1c/0x5c [ 87.716538][ T5562] should_fail+0x3c0/0x51c [ 87.717157][ T5562] __should_failslab+0xbc/0x10c [ 87.717842][ T5562] should_failslab+0x10/0x28 [ 87.718484][ T5562] slab_pre_alloc_hook+0x64/0xec [ 87.719189][ T5562] kmem_cache_alloc+0x94/0x3e4 [ 87.719852][ T5562] btrfs_alloc_path+0x5c/0x68 [ 87.720533][ T5562] btrfs_insert_dir_item+0x16c/0x3b8 [ 87.721308][ T5562] btrfs_add_link+0x294/0xa68 [ 87.722029][ T5562] btrfs_create+0x45c/0x508 [ 87.722680][ T5562] path_openat+0x1144/0x26e4 [ 87.723375][ T5562] do_filp_open+0x164/0x330 [ 87.724022][ T5562] do_sys_openat2+0x128/0x3d8 [ 87.724722][ T5562] __arm64_sys_openat+0x120/0x154 [ 87.725489][ T5562] invoke_syscall+0x98/0x2b8 [ 87.726179][ T5562] el0_svc_common+0x138/0x258 [ 87.726851][ T5562] do_el0_svc+0x58/0x14c [ 87.727454][ T5562] el0_svc+0x78/0x1e0 [ 87.727974][ T5562] el0t_64_sync_handler+0xcc/0xe4 [ 87.728709][ T5562] el0t_64_sync+0x1a0/0x1a4 [ 87.729644][ T5562] ------------[ cut here ]------------ [ 87.730608][ T5562] WARNING: CPU: 0 PID: 5562 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 87.731959][ T5562] Modules linked in: [ 87.732544][ T5562] CPU: 0 PID: 5562 Comm: syz.0.44 Tainted: G W syzkaller #0 [ 87.733885][ T5562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 87.735282][ T5562] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 87.736380][ T5562] pc : btrfs_add_link+0x6e8/0xa68 [ 87.737183][ T5562] lr : btrfs_add_link+0x6e8/0xa68 [ 87.737963][ T5562] sp : ffff800022177580 [ 87.738623][ T5562] x29: ffff800022177680 x28: ffff0000def96160 x27: 0000000000000108 [ 87.739800][ T5562] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 87.740984][ T5562] x23: 0000000000000014 x22: 1fffe0001bdf2c37 x21: ffff70000442eeb8 [ 87.742144][ T5562] x20: 00000000fffffff4 x19: ffff0000def961b8 x18: 0000000000000001 [ 87.743379][ T5562] x17: 0000000000000000 x16: ffff800008302164 x15: 00000000ffffffff [ 87.744612][ T5562] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 87.745790][ T5562] x11: 0000000000000000 x10: 0000000000000000 x9 : 7c393a770f04b700 [ 87.746988][ T5562] x8 : 7c393a770f04b700 x7 : 0000000000000001 x6 : 0000000000000001 [ 87.748225][ T5562] x5 : ffff800022176e78 x4 : ffff8000141ff5a0 x3 : ffff800008302274 [ 87.749419][ T5562] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 87.750557][ T5562] Call trace: [ 87.751004][ T5562] btrfs_add_link+0x6e8/0xa68 [ 87.751762][ T5562] btrfs_create+0x45c/0x508 [ 87.752500][ T5562] path_openat+0x1144/0x26e4 [ 87.753199][ T5562] do_filp_open+0x164/0x330 [ 87.753869][ T5562] do_sys_openat2+0x128/0x3d8 [ 87.754554][ T5562] __arm64_sys_openat+0x120/0x154 [ 87.755357][ T5562] invoke_syscall+0x98/0x2b8 [ 87.756000][ T5562] el0_svc_common+0x138/0x258 [ 87.756747][ T5562] do_el0_svc+0x58/0x14c [ 87.757383][ T5562] el0_svc+0x78/0x1e0 [ 87.757980][ T5562] el0t_64_sync_handler+0xcc/0xe4 [ 87.758744][ T5562] el0t_64_sync+0x1a0/0x1a4 [ 87.759400][ T5562] irq event stamp: 80206 [ 87.760015][ T5562] hardirqs last enabled at (80205): [] __up_console_sem+0xb4/0x100 [ 87.761427][ T5562] hardirqs last disabled at (80206): [] el1_dbg+0x24/0x80 [ 87.762807][ T5562] softirqs last enabled at (80186): [] handle_softirqs+0xa4c/0xbf0 [ 87.764244][ T5562] softirqs last disabled at (80143): [] __irq_exit_rcu+0x240/0x440 [ 87.765631][ T5562] ---[ end trace e33b5072ba1647cf ]--- [ 87.766743][ T5562] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 87.913902][ T5584] loop0: detected capacity change from 0 to 32768 [ 87.952268][ T5584] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.45 (5584) [ 87.973651][ T5584] FAULT_INJECTION: forcing a failure. [ 87.973651][ T5584] name failslab, interval 1, probability 0, space 0, times 0 [ 87.975640][ T5584] CPU: 1 PID: 5584 Comm: syz.0.45 Tainted: G W syzkaller #0 [ 87.976967][ T5584] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 87.978500][ T5584] Call trace: [ 87.979022][ T5584] dump_backtrace+0x0/0x43c [ 87.979691][ T5584] show_stack+0x2c/0x3c [ 87.980348][ T5584] __dump_stack+0x30/0x40 [ 87.981047][ T5584] dump_stack_lvl+0xf8/0x160 [ 87.981759][ T5584] dump_stack+0x1c/0x5c [ 87.982476][ T5584] should_fail+0x3c0/0x51c [ 87.983128][ T5584] __should_failslab+0xbc/0x10c [ 87.983829][ T5584] should_failslab+0x10/0x28 [ 87.984468][ T5584] slab_pre_alloc_hook+0x64/0xec [ 87.985229][ T5584] kmem_cache_alloc+0x94/0x3e4 [ 87.985905][ T5584] btrfs_get_or_create_delayed_node+0x128/0x4c8 [ 87.986853][ T5584] btrfs_delayed_update_inode+0x3c/0x1b7c [ 87.987663][ T5584] btrfs_update_inode+0x210/0x3d4 [ 87.988426][ T5584] btrfs_create+0x360/0x508 [ 87.989064][ T5584] path_openat+0x1144/0x26e4 [ 87.989748][ T5584] do_filp_open+0x164/0x330 [ 87.990404][ T5584] do_sys_openat2+0x128/0x3d8 [ 87.991074][ T5584] __arm64_sys_openat+0x120/0x154 [ 87.991849][ T5584] invoke_syscall+0x98/0x2b8 [ 87.992550][ T5584] el0_svc_common+0x138/0x258 [ 87.993221][ T5584] do_el0_svc+0x58/0x14c [ 87.993898][ T5584] el0_svc+0x78/0x1e0 [ 87.994480][ T5584] el0t_64_sync_handler+0xcc/0xe4 [ 87.995188][ T5584] el0t_64_sync+0x1a0/0x1a4 [ 88.056328][ T4897] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 12 /dev/loop0 scanned by udevd (4897) [ 88.151113][ T5605] loop0: detected capacity change from 0 to 32768 [ 88.245517][ T5605] FAULT_INJECTION: forcing a failure. [ 88.245517][ T5605] name failslab, interval 1, probability 0, space 0, times 0 [ 88.247443][ T5605] CPU: 0 PID: 5605 Comm: syz.0.46 Tainted: G W syzkaller #0 [ 88.248663][ T5605] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 88.250330][ T5605] Call trace: [ 88.250816][ T5605] dump_backtrace+0x0/0x43c [ 88.251499][ T5605] show_stack+0x2c/0x3c [ 88.252202][ T5605] __dump_stack+0x30/0x40 [ 88.252891][ T5605] dump_stack_lvl+0xf8/0x160 [ 88.253535][ T5605] dump_stack+0x1c/0x5c [ 88.254113][ T5605] should_fail+0x3c0/0x51c [ 88.254811][ T5605] __should_failslab+0xbc/0x10c [ 88.255485][ T5605] should_failslab+0x10/0x28 [ 88.256084][ T5605] slab_pre_alloc_hook+0x64/0xec [ 88.256842][ T5605] kmem_cache_alloc+0x94/0x3e4 [ 88.257557][ T5605] btrfs_alloc_path+0x5c/0x68 [ 88.258247][ T5605] btrfs_insert_dir_item+0x16c/0x3b8 [ 88.259013][ T5605] btrfs_add_link+0x294/0xa68 [ 88.259722][ T5605] btrfs_create+0x45c/0x508 [ 88.260381][ T5605] path_openat+0x1144/0x26e4 [ 88.261052][ T5605] do_filp_open+0x164/0x330 [ 88.261689][ T5605] do_sys_openat2+0x128/0x3d8 [ 88.262418][ T5605] __arm64_sys_openat+0x120/0x154 [ 88.263129][ T5605] invoke_syscall+0x98/0x2b8 [ 88.263760][ T5605] el0_svc_common+0x138/0x258 [ 88.264513][ T5605] do_el0_svc+0x58/0x14c [ 88.265103][ T5605] el0_svc+0x78/0x1e0 [ 88.265655][ T5605] el0t_64_sync_handler+0xcc/0xe4 [ 88.266416][ T5605] el0t_64_sync+0x1a0/0x1a4 [ 88.268207][ T5605] ------------[ cut here ]------------ [ 88.269275][ T5605] WARNING: CPU: 0 PID: 5605 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 88.270497][ T5605] Modules linked in: [ 88.271084][ T5605] CPU: 0 PID: 5605 Comm: syz.0.46 Tainted: G W syzkaller #0 [ 88.272326][ T5605] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 88.273694][ T5605] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 88.274797][ T5605] pc : btrfs_add_link+0x6e8/0xa68 [ 88.275498][ T5605] lr : btrfs_add_link+0x6e8/0xa68 [ 88.276214][ T5605] sp : ffff800021c07580 [ 88.276765][ T5605] x29: ffff800021c07680 x28: ffff0000dee6e8f0 x27: 0000000000000108 [ 88.277933][ T5605] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 88.279126][ T5605] x23: 0000000000000014 x22: 1fffe0001bdcdd29 x21: ffff700004380eb8 [ 88.280346][ T5605] x20: 00000000fffffff4 x19: ffff0000dee6e948 x18: 1fffe00034226396 [ 88.281505][ T5605] x17: 1fffe00034226396 x16: ffff8000082c0c04 x15: ffff8000141bef00 [ 88.282692][ T5605] x14: ffff0001a1131cc0 x13: 1ffff0000282406b x12: 0000000000ff0100 [ 88.283889][ T5605] x11: 0000000000000000 x10: 0000000000000000 x9 : ea9db441b97c0700 [ 88.285022][ T5605] x8 : ea9db441b97c0700 x7 : 0000000000000000 x6 : 0000000000000000 [ 88.286277][ T5605] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff800008235634 [ 88.287340][ T5605] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 88.288540][ T5605] Call trace: [ 88.288980][ T5605] btrfs_add_link+0x6e8/0xa68 [ 88.289678][ T5605] btrfs_create+0x45c/0x508 [ 88.290314][ T5605] path_openat+0x1144/0x26e4 [ 88.290999][ T5605] do_filp_open+0x164/0x330 [ 88.291644][ T5605] do_sys_openat2+0x128/0x3d8 [ 88.292341][ T5605] __arm64_sys_openat+0x120/0x154 [ 88.293055][ T5605] invoke_syscall+0x98/0x2b8 [ 88.293757][ T5605] el0_svc_common+0x138/0x258 [ 88.294507][ T5605] do_el0_svc+0x58/0x14c [ 88.295108][ T5605] el0_svc+0x78/0x1e0 [ 88.295727][ T5605] el0t_64_sync_handler+0xcc/0xe4 [ 88.296445][ T5605] el0t_64_sync+0x1a0/0x1a4 [ 88.297133][ T5605] irq event stamp: 79766 [ 88.297698][ T5605] hardirqs last enabled at (79765): [] finish_lock_switch+0xb0/0x1c4 [ 88.299113][ T5605] hardirqs last disabled at (79766): [] el1_dbg+0x24/0x80 [ 88.300451][ T5605] softirqs last enabled at (79760): [] handle_softirqs+0xa4c/0xbf0 [ 88.301835][ T5605] softirqs last disabled at (79751): [] __irq_exit_rcu+0x240/0x440 [ 88.303217][ T5605] ---[ end trace e33b5072ba1647d0 ]--- [ 88.304224][ T5605] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 88.437995][ T5628] loop0: detected capacity change from 0 to 32768 [ 88.539132][ T5628] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.47 (5628) [ 88.561943][ T5628] FAULT_INJECTION: forcing a failure. [ 88.561943][ T5628] name failslab, interval 1, probability 0, space 0, times 0 [ 88.564174][ T5628] CPU: 1 PID: 5628 Comm: syz.0.47 Tainted: G W syzkaller #0 [ 88.565538][ T5628] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 88.567197][ T5628] Call trace: [ 88.567654][ T5628] dump_backtrace+0x0/0x43c [ 88.568296][ T5628] show_stack+0x2c/0x3c [ 88.568837][ T5628] __dump_stack+0x30/0x40 [ 88.569467][ T5628] dump_stack_lvl+0xf8/0x160 [ 88.570117][ T5628] dump_stack+0x1c/0x5c [ 88.570750][ T5628] should_fail+0x3c0/0x51c [ 88.571408][ T5628] __should_failslab+0xbc/0x10c [ 88.572139][ T5628] should_failslab+0x10/0x28 [ 88.572880][ T5628] slab_pre_alloc_hook+0x64/0xec [ 88.573578][ T5628] kmem_cache_alloc+0x94/0x3e4 [ 88.574343][ T5628] btrfs_alloc_path+0x5c/0x68 [ 88.575018][ T5628] btrfs_insert_dir_item+0x16c/0x3b8 [ 88.575737][ T5628] btrfs_add_link+0x294/0xa68 [ 88.576430][ T5628] btrfs_create+0x45c/0x508 [ 88.577061][ T5628] path_openat+0x1144/0x26e4 [ 88.577688][ T5628] do_filp_open+0x164/0x330 [ 88.578378][ T5628] do_sys_openat2+0x128/0x3d8 [ 88.579126][ T5628] __arm64_sys_openat+0x120/0x154 [ 88.579816][ T5628] invoke_syscall+0x98/0x2b8 [ 88.580379][ T5628] el0_svc_common+0x138/0x258 [ 88.581120][ T5628] do_el0_svc+0x58/0x14c [ 88.581729][ T5628] el0_svc+0x78/0x1e0 [ 88.582341][ T5628] el0t_64_sync_handler+0xcc/0xe4 [ 88.583078][ T5628] el0t_64_sync+0x1a0/0x1a4 [ 88.586182][ T5628] ------------[ cut here ]------------ [ 88.587450][ T5628] WARNING: CPU: 1 PID: 5628 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 88.588764][ T5628] Modules linked in: [ 88.589367][ T5628] CPU: 1 PID: 5628 Comm: syz.0.47 Tainted: G W syzkaller #0 [ 88.590670][ T5628] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 88.592138][ T5628] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 88.593246][ T5628] pc : btrfs_add_link+0x6e8/0xa68 [ 88.593966][ T5628] lr : btrfs_add_link+0x6e8/0xa68 [ 88.594703][ T5628] sp : ffff800021c07580 [ 88.595341][ T5628] x29: ffff800021c07680 x28: ffff0000def288f0 x27: 0000000000000108 [ 88.596451][ T5628] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 88.597653][ T5628] x23: 0000000000000014 x22: 1fffe0001bde5129 x21: ffff700004380eb8 [ 88.598896][ T5628] x20: 00000000fffffff4 x19: ffff0000def28948 x18: 0000000000000001 [ 88.600076][ T5628] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 88.601333][ T5628] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 88.602579][ T5628] x11: 0000000000000000 x10: 0000000000000000 x9 : 1800c1b20f156800 [ 88.603800][ T5628] x8 : 1800c1b20f156800 x7 : 0000000000000001 x6 : 0000000000000001 [ 88.605028][ T5628] x5 : ffff800021c06e78 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 88.606305][ T5628] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 88.607494][ T5628] Call trace: [ 88.608023][ T5628] btrfs_add_link+0x6e8/0xa68 [ 88.608672][ T5628] btrfs_create+0x45c/0x508 [ 88.609422][ T5628] path_openat+0x1144/0x26e4 [ 88.610032][ T5628] do_filp_open+0x164/0x330 [ 88.610702][ T5628] do_sys_openat2+0x128/0x3d8 [ 88.611407][ T5628] __arm64_sys_openat+0x120/0x154 [ 88.612140][ T5628] invoke_syscall+0x98/0x2b8 [ 88.612786][ T5628] el0_svc_common+0x138/0x258 [ 88.613470][ T5628] do_el0_svc+0x58/0x14c [ 88.614092][ T5628] el0_svc+0x78/0x1e0 [ 88.614754][ T5628] el0t_64_sync_handler+0xcc/0xe4 [ 88.615537][ T5628] el0t_64_sync+0x1a0/0x1a4 [ 88.616239][ T5628] irq event stamp: 80336 [ 88.616867][ T5628] hardirqs last enabled at (80335): [] __up_console_sem+0xb4/0x100 [ 88.618429][ T5628] hardirqs last disabled at (80336): [] el1_dbg+0x24/0x80 [ 88.619780][ T5628] softirqs last enabled at (80312): [] handle_softirqs+0xa4c/0xbf0 [ 88.621183][ T5628] softirqs last disabled at (80301): [] __irq_exit_rcu+0x240/0x440 [ 88.622507][ T5628] ---[ end trace e33b5072ba1647d1 ]--- [ 88.625376][ T5628] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 88.789493][ T5650] loop0: detected capacity change from 0 to 32768 [ 88.837024][ T5650] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.48 (5650) [ 88.862477][ T5650] FAULT_INJECTION: forcing a failure. [ 88.862477][ T5650] name failslab, interval 1, probability 0, space 0, times 0 [ 88.864369][ T5650] CPU: 0 PID: 5650 Comm: syz.0.48 Tainted: G W syzkaller #0 [ 88.865609][ T5650] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 88.867015][ T5650] Call trace: [ 88.867502][ T5650] dump_backtrace+0x0/0x43c [ 88.868124][ T5650] show_stack+0x2c/0x3c [ 88.868758][ T5650] __dump_stack+0x30/0x40 [ 88.869363][ T5650] dump_stack_lvl+0xf8/0x160 [ 88.870029][ T5650] dump_stack+0x1c/0x5c [ 88.870619][ T5650] should_fail+0x3c0/0x51c [ 88.871251][ T5650] __should_failslab+0xbc/0x10c [ 88.871957][ T5650] should_failslab+0x10/0x28 [ 88.872662][ T5650] slab_pre_alloc_hook+0x64/0xec [ 88.873391][ T5650] kmem_cache_alloc+0x94/0x3e4 [ 88.874151][ T5650] btrfs_get_or_create_delayed_node+0x128/0x4c8 [ 88.874989][ T5650] btrfs_delayed_update_inode+0x3c/0x1b7c [ 88.875860][ T5650] btrfs_update_inode+0x210/0x3d4 [ 88.876565][ T5650] btrfs_create+0x360/0x508 [ 88.877184][ T5650] path_openat+0x1144/0x26e4 [ 88.877912][ T5650] do_filp_open+0x164/0x330 [ 88.878503][ T5650] do_sys_openat2+0x128/0x3d8 [ 88.879161][ T5650] __arm64_sys_openat+0x120/0x154 [ 88.879929][ T5650] invoke_syscall+0x98/0x2b8 [ 88.880605][ T5650] el0_svc_common+0x138/0x258 [ 88.881307][ T5650] do_el0_svc+0x58/0x14c [ 88.881923][ T5650] el0_svc+0x78/0x1e0 [ 88.882546][ T5650] el0t_64_sync_handler+0xcc/0xe4 [ 88.883315][ T5650] el0t_64_sync+0x1a0/0x1a4 [ 88.945142][ T4897] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 12 /dev/loop0 scanned by udevd (4897) [ 89.032856][ T5671] loop0: detected capacity change from 0 to 32768 [ 89.176036][ T5671] FAULT_INJECTION: forcing a failure. [ 89.176036][ T5671] name failslab, interval 1, probability 0, space 0, times 0 [ 89.177991][ T5671] CPU: 1 PID: 5671 Comm: syz.0.49 Tainted: G W syzkaller #0 [ 89.179386][ T5671] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 89.180957][ T5671] Call trace: [ 89.181459][ T5671] dump_backtrace+0x0/0x43c [ 89.182101][ T5671] show_stack+0x2c/0x3c [ 89.182683][ T5671] __dump_stack+0x30/0x40 [ 89.183315][ T5671] dump_stack_lvl+0xf8/0x160 [ 89.184096][ T5671] dump_stack+0x1c/0x5c [ 89.184706][ T5671] should_fail+0x3c0/0x51c [ 89.185351][ T5671] __should_failslab+0xbc/0x10c [ 89.186121][ T5671] should_failslab+0x10/0x28 [ 89.186855][ T5671] slab_pre_alloc_hook+0x64/0xec [ 89.187638][ T5671] kmem_cache_alloc+0x94/0x3e4 [ 89.188342][ T5671] btrfs_alloc_path+0x5c/0x68 [ 89.189027][ T5671] btrfs_insert_dir_item+0x16c/0x3b8 [ 89.189771][ T5671] btrfs_add_link+0x294/0xa68 [ 89.190565][ T5671] btrfs_create+0x45c/0x508 [ 89.191209][ T5671] path_openat+0x1144/0x26e4 [ 89.191871][ T5671] do_filp_open+0x164/0x330 [ 89.192548][ T5671] do_sys_openat2+0x128/0x3d8 [ 89.193187][ T5671] __arm64_sys_openat+0x120/0x154 [ 89.193948][ T5671] invoke_syscall+0x98/0x2b8 [ 89.194626][ T5671] el0_svc_common+0x138/0x258 [ 89.195274][ T5671] do_el0_svc+0x58/0x14c [ 89.195897][ T5671] el0_svc+0x78/0x1e0 [ 89.196476][ T5671] el0t_64_sync_handler+0xcc/0xe4 [ 89.197253][ T5671] el0t_64_sync+0x1a0/0x1a4 [ 89.198042][ T5671] ------------[ cut here ]------------ [ 89.198957][ T5671] WARNING: CPU: 1 PID: 5671 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 89.200273][ T5671] Modules linked in: [ 89.200861][ T5671] CPU: 1 PID: 5671 Comm: syz.0.49 Tainted: G W syzkaller #0 [ 89.202062][ T5671] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 89.203538][ T5671] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 89.204723][ T5671] pc : btrfs_add_link+0x6e8/0xa68 [ 89.205452][ T5671] lr : btrfs_add_link+0x6e8/0xa68 [ 89.206240][ T5671] sp : ffff800022d97580 [ 89.206908][ T5671] x29: ffff800022d97680 x28: ffff0000def28630 x27: 0000000000000108 [ 89.208045][ T5671] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 89.209303][ T5671] x23: 0000000000000014 x22: 1fffe0001bde50d1 x21: ffff7000045b2eb8 [ 89.210499][ T5671] x20: 00000000fffffff4 x19: ffff0000def28688 x18: 0000000000000001 [ 89.211713][ T5671] x17: 0000000000000000 x16: ffff800008302164 x15: 00000000ffffffff [ 89.212930][ T5671] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 89.214225][ T5671] x11: 0000000000000000 x10: 0000000000000000 x9 : 02b7831b4f85d500 [ 89.215447][ T5671] x8 : 02b7831b4f85d500 x7 : 0000000000000001 x6 : 0000000000000001 [ 89.216554][ T5671] x5 : ffff800022d96e78 x4 : ffff8000141ff5a0 x3 : ffff800008302274 [ 89.217652][ T5671] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 89.218833][ T5671] Call trace: [ 89.219374][ T5671] btrfs_add_link+0x6e8/0xa68 [ 89.220041][ T5671] btrfs_create+0x45c/0x508 [ 89.220656][ T5671] path_openat+0x1144/0x26e4 [ 89.221312][ T5671] do_filp_open+0x164/0x330 [ 89.221938][ T5671] do_sys_openat2+0x128/0x3d8 [ 89.222639][ T5671] __arm64_sys_openat+0x120/0x154 [ 89.223359][ T5671] invoke_syscall+0x98/0x2b8 [ 89.224044][ T5671] el0_svc_common+0x138/0x258 [ 89.224730][ T5671] do_el0_svc+0x58/0x14c [ 89.225376][ T5671] el0_svc+0x78/0x1e0 [ 89.225958][ T5671] el0t_64_sync_handler+0xcc/0xe4 [ 89.226635][ T5671] el0t_64_sync+0x1a0/0x1a4 [ 89.227266][ T5671] irq event stamp: 79870 [ 89.227876][ T5671] hardirqs last enabled at (79869): [] __up_console_sem+0xb4/0x100 [ 89.229258][ T5671] hardirqs last disabled at (79870): [] el1_dbg+0x24/0x80 [ 89.230578][ T5671] softirqs last enabled at (79850): [] handle_softirqs+0xa4c/0xbf0 [ 89.232002][ T5671] softirqs last disabled at (79829): [] __irq_exit_rcu+0x240/0x440 [ 89.233418][ T5671] ---[ end trace e33b5072ba1647d2 ]--- [ 89.234569][ T5671] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory 1970/01/01 00:01:29 executed programs: 37