Warning: Permanently added '10.128.1.123' (ED25519) to the list of known hosts. 1970/01/01 00:01:00 ignoring optional flag "type"="gce" 1970/01/01 00:01:00 parsed 1 programs [ 61.926122][ T4391] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 63.018181][ T4496] chnl_net:caif_netlink_parms(): no params data found [ 63.037548][ T4496] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.038769][ T4496] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.040338][ T4496] device bridge_slave_0 entered promiscuous mode [ 63.042397][ T4496] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.044753][ T4496] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.046215][ T4496] device bridge_slave_1 entered promiscuous mode [ 63.057492][ T4496] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.060146][ T4496] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.069546][ T4496] team0: Port device team_slave_0 added [ 63.071300][ T4496] team0: Port device team_slave_1 added [ 63.081545][ T4496] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 63.083581][ T4496] 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. [ 63.087818][ T4496] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 63.090300][ T4496] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 63.091322][ T4496] 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. [ 63.095237][ T4496] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 63.143688][ T4496] device hsr_slave_0 entered promiscuous mode [ 63.192780][ T4496] device hsr_slave_1 entered promiscuous mode [ 63.814740][ T4496] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 63.836268][ T4496] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 63.873743][ T4496] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 63.914059][ T4496] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 64.021759][ T4496] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.022939][ T4496] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.024094][ T4496] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.025256][ T4496] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.029930][ T148] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.031534][ T148] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.063998][ T4496] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.068394][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.069746][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.073026][ T4496] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.075570][ T561] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.077124][ T561] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.078563][ T561] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.079760][ T561] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.084625][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.086197][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.087698][ T148] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.088777][ T148] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.092258][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.097637][ T561] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.100867][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.108669][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.113492][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.115115][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.119624][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.124885][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 64.126391][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.129893][ T4496] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 64.131739][ T4496] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 64.136519][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 64.138171][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.203667][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 64.204881][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 64.213870][ T4496] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.223217][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 64.224999][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 64.231571][ T561] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 64.233147][ T561] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 64.234774][ T561] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 64.236124][ T561] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 64.239404][ T4496] device veth0_vlan entered promiscuous mode [ 64.243859][ T4496] device veth1_vlan entered promiscuous mode [ 64.251246][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 64.252709][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 64.254114][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 64.255595][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 64.258673][ T4496] device veth0_macvtap entered promiscuous mode [ 64.261188][ T4496] device veth1_macvtap entered promiscuous mode [ 64.271153][ T4496] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 64.272336][ T561] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 64.274204][ T561] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 64.275704][ T561] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 64.277197][ T561] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 64.280480][ T4496] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 64.281626][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 64.283347][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 64.287419][ T4496] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.288723][ T4496] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.290118][ T4496] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.291461][ T4496] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.677877][ T405] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 65.022325][ T148] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 65.026127][ T148] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 65.028746][ T561] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 65.040837][ T148] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 65.042167][ T148] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 65.047264][ T561] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:01:05 executed programs: 0 [ 65.467252][ T4771] chnl_net:caif_netlink_parms(): no params data found [ 65.486590][ T4771] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.487752][ T4771] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.489263][ T4771] device bridge_slave_0 entered promiscuous mode [ 65.491383][ T4771] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.492692][ T4771] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.494225][ T4771] device bridge_slave_1 entered promiscuous mode [ 65.503365][ T4771] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.505908][ T4771] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.514200][ T4771] team0: Port device team_slave_0 added [ 65.516674][ T4771] team0: Port device team_slave_1 added [ 65.523625][ T4771] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 65.524671][ T4771] 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. [ 65.528239][ T4771] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 65.530847][ T4771] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 65.531933][ T4771] 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. [ 65.536007][ T4771] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 65.575631][ T4771] device hsr_slave_0 entered promiscuous mode [ 65.592854][ T4771] device hsr_slave_1 entered promiscuous mode [ 65.632759][ T4771] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.634110][ T4771] Cannot create hsr debugfs directory [ 67.462656][ T13] Bluetooth: hci0: command 0x0409 tx timeout [ 67.535706][ T405] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 69.542583][ T13] Bluetooth: hci0: command 0x041b tx timeout [ 69.623795][ T2064] ieee802154 phy0 wpan0: encryption failed: -22 [ 69.624643][ T7] cfg80211: failed to load regulatory.db [ 69.624926][ T2064] ieee802154 phy1 wpan1: encryption failed: -22 [ 69.796949][ T405] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 69.887918][ T405] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 70.777054][ T4771] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 70.831734][ T4771] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 70.883749][ T4771] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 70.931196][ T4771] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 71.001520][ T4771] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.005598][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.007257][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.009956][ T4771] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.014122][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.015654][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.017201][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.018278][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.019801][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.025515][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.027195][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.028639][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.029803][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.037841][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.041187][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.044403][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.046244][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.047878][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.050559][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.052102][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.056041][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.058099][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.061222][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.063285][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.065524][ T4771] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.104310][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.105638][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.109372][ T4771] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.116571][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 71.118225][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 71.124857][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 71.126337][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 71.127872][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 71.129374][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 71.131726][ T4771] device veth0_vlan entered promiscuous mode [ 71.136084][ T4771] device veth1_vlan entered promiscuous mode [ 71.143912][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 71.145406][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 71.146848][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 71.148347][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 71.150732][ T4771] device veth0_macvtap entered promiscuous mode [ 71.155330][ T4771] device veth1_macvtap entered promiscuous mode [ 71.160426][ T4771] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 71.162180][ T4771] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 71.165980][ T4771] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 71.167273][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 71.168841][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 71.170301][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 71.171754][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 71.174941][ T4771] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 71.176560][ T4771] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 71.178628][ T4771] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 71.180422][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 71.182083][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 71.185406][ T4771] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.186685][ T4771] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.187915][ T4771] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.189184][ T4771] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.208130][ T1644] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 71.214262][ T1644] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 71.216000][ T148] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 71.217280][ T148] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 71.217972][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 71.220074][ T1644] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:01:11 executed programs: 2 [ 71.343703][ T4952] loop0: detected capacity change from 0 to 32768 [ 71.352962][ T4952] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.15 (4952) [ 71.359132][ T4952] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 71.360610][ T4952] BTRFS info (device loop0): setting nodatacow, compression disabled [ 71.361874][ T4952] BTRFS info (device loop0): setting datacow [ 71.362935][ T4952] BTRFS info (device loop0): doing ref verification [ 71.363831][ T4952] BTRFS info (device loop0): force clearing of disk cache [ 71.364883][ T4952] BTRFS info (device loop0): turning off barriers [ 71.365931][ T4952] BTRFS info (device loop0): use zlib compression, level 3 [ 71.366990][ T4952] BTRFS info (device loop0): using free space tree [ 71.367952][ T4952] BTRFS info (device loop0): has skinny extents [ 71.379940][ T4952] BTRFS info (device loop0): clearing free space tree [ 71.381281][ T4952] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 71.383266][ T4952] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 71.390423][ T4952] BTRFS info (device loop0): creating free space tree [ 71.392141][ T4952] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 71.394276][ T4952] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 71.402060][ T4952] FAULT_INJECTION: forcing a failure. [ 71.402060][ T4952] name failslab, interval 1, probability 0, space 0, times 1 [ 71.404576][ T4952] CPU: 0 PID: 4952 Comm: syz.0.15 Not tainted syzkaller #0 [ 71.405592][ T4952] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 71.407254][ T4952] Call trace: [ 71.407789][ T4952] dump_backtrace+0x0/0x43c [ 71.408515][ T4952] show_stack+0x2c/0x3c [ 71.409207][ T4952] __dump_stack+0x30/0x40 [ 71.409928][ T4952] dump_stack_lvl+0xf8/0x160 [ 71.410703][ T4952] dump_stack+0x1c/0x5c [ 71.411313][ T4952] should_fail+0x3c0/0x51c [ 71.412065][ T4952] __should_failslab+0xbc/0x10c [ 71.412886][ T4952] should_failslab+0x10/0x28 [ 71.413640][ T4952] slab_pre_alloc_hook+0x64/0xec [ 71.414443][ T4952] kmem_cache_alloc+0x94/0x3e4 [ 71.415188][ T4952] btrfs_alloc_path+0x5c/0x68 [ 71.415946][ T4952] btrfs_insert_dir_item+0x16c/0x3b8 [ 71.416814][ T4952] btrfs_add_link+0x294/0xa68 [ 71.417627][ T4952] btrfs_create+0x45c/0x508 [ 71.418402][ T4952] path_openat+0x1144/0x26e4 [ 71.419201][ T4952] do_filp_open+0x164/0x330 [ 71.419913][ T4952] do_sys_openat2+0x128/0x3d8 [ 71.420599][ T4952] __arm64_sys_openat+0x120/0x154 [ 71.421436][ T4952] invoke_syscall+0x98/0x2b8 [ 71.422188][ T4952] el0_svc_common+0x138/0x258 [ 71.422928][ T4952] do_el0_svc+0x58/0x14c [ 71.423590][ T4952] el0_svc+0x78/0x1e0 [ 71.424213][ T4952] el0t_64_sync_handler+0xcc/0xe4 [ 71.424961][ T4952] el0t_64_sync+0x1a0/0x1a4 [ 71.425951][ T4952] ------------[ cut here ]------------ [ 71.426868][ T4952] WARNING: CPU: 0 PID: 4952 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 71.428138][ T4952] Modules linked in: [ 71.428760][ T4952] CPU: 0 PID: 4952 Comm: syz.0.15 Not tainted syzkaller #0 [ 71.429905][ T4952] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 71.431505][ T4952] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 71.432803][ T4952] pc : btrfs_add_link+0x6e8/0xa68 [ 71.433607][ T4952] lr : btrfs_add_link+0x6e8/0xa68 [ 71.434492][ T4952] sp : ffff80001fde7580 [ 71.435173][ T4952] x29: ffff80001fde7680 x28: ffff0000ded81210 x27: 0000000000000108 [ 71.436451][ T4952] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 71.437764][ T4952] x23: 0000000000000014 x22: 1fffe0001bdb024d x21: ffff700003fbceb8 [ 71.439076][ T4952] x20: 00000000fffffff4 x19: ffff0000ded81268 x18: 0000000000000001 [ 71.440437][ T4952] x17: 0000000000000000 x16: ffff800008302168 x15: 00000000ffffffff [ 71.441631][ T4952] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 71.442813][ T4952] x11: 0000000000000000 x10: 0000000000000000 x9 : 36545b5252f3fe00 [ 71.444018][ T4952] x8 : 36545b5252f3fe00 x7 : 0000000000000001 x6 : 0000000000000001 [ 71.445276][ T4952] x5 : ffff80001fde6e78 x4 : ffff80001425f420 x3 : ffff800008302278 [ 71.446505][ T4952] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 71.447692][ T4952] Call trace: [ 71.448146][ T4952] btrfs_add_link+0x6e8/0xa68 [ 71.448911][ T4952] btrfs_create+0x45c/0x508 [ 71.449663][ T4952] path_openat+0x1144/0x26e4 [ 71.450436][ T4952] do_filp_open+0x164/0x330 [ 71.451194][ T4952] do_sys_openat2+0x128/0x3d8 [ 71.451940][ T4952] __arm64_sys_openat+0x120/0x154 [ 71.452767][ T4952] invoke_syscall+0x98/0x2b8 [ 71.453484][ T4952] el0_svc_common+0x138/0x258 [ 71.454163][ T4952] do_el0_svc+0x58/0x14c [ 71.454779][ T4952] el0_svc+0x78/0x1e0 [ 71.455376][ T4952] el0t_64_sync_handler+0xcc/0xe4 [ 71.456175][ T4952] el0t_64_sync+0x1a0/0x1a4 [ 71.456890][ T4952] irq event stamp: 85036 [ 71.457590][ T4952] hardirqs last enabled at (85035): [] __up_console_sem+0xb4/0x100 [ 71.459076][ T4952] hardirqs last disabled at (85036): [] el1_dbg+0x24/0x80 [ 71.460373][ T4952] softirqs last enabled at (85016): [] handle_softirqs+0xa4c/0xbf0 [ 71.461889][ T4952] softirqs last disabled at (84915): [] __irq_exit_rcu+0x240/0x440 [ 71.463492][ T4952] ---[ end trace 03819c0c8a49c9ed ]--- [ 71.465035][ T4952] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 71.466414][ T4952] BTRFS info (device loop0): forced readonly [ 71.622644][ T7] Bluetooth: hci0: command 0x040f tx timeout [ 71.677506][ T4974] loop0: detected capacity change from 0 to 32768 [ 71.713840][ T4974] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.16 (4974) [ 71.757431][ T4974] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 71.758774][ T4974] BTRFS info (device loop0): setting nodatacow, compression disabled [ 71.760034][ T4974] BTRFS info (device loop0): setting datacow [ 71.761001][ T4974] BTRFS info (device loop0): doing ref verification [ 71.761978][ T4974] BTRFS info (device loop0): force clearing of disk cache [ 71.763292][ T4974] BTRFS info (device loop0): turning off barriers [ 71.764305][ T4974] BTRFS info (device loop0): use zlib compression, level 3 [ 71.765400][ T4974] BTRFS info (device loop0): using free space tree [ 71.766438][ T4974] BTRFS info (device loop0): has skinny extents [ 71.775685][ T4974] BTRFS info (device loop0): clearing free space tree [ 71.776794][ T4974] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 71.778394][ T4974] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 71.782515][ T4974] BTRFS info (device loop0): creating free space tree [ 71.784829][ T4974] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 71.786349][ T4974] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 71.790829][ T4974] FAULT_INJECTION: forcing a failure. [ 71.790829][ T4974] name failslab, interval 1, probability 0, space 0, times 0 [ 71.793150][ T4974] CPU: 0 PID: 4974 Comm: syz.0.16 Tainted: G W syzkaller #0 [ 71.794444][ T4974] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 71.795948][ T4974] Call trace: [ 71.796479][ T4974] dump_backtrace+0x0/0x43c [ 71.797187][ T4974] show_stack+0x2c/0x3c [ 71.797823][ T4974] __dump_stack+0x30/0x40 [ 71.798466][ T4974] dump_stack_lvl+0xf8/0x160 [ 71.799161][ T4974] dump_stack+0x1c/0x5c [ 71.799762][ T4974] should_fail+0x3c0/0x51c [ 71.800396][ T4974] __should_failslab+0xbc/0x10c [ 71.801119][ T4974] should_failslab+0x10/0x28 [ 71.801864][ T4974] slab_pre_alloc_hook+0x64/0xec [ 71.802626][ T4974] kmem_cache_alloc+0x94/0x3e4 [ 71.803384][ T4974] btrfs_alloc_path+0x5c/0x68 [ 71.804153][ T4974] btrfs_insert_dir_item+0x16c/0x3b8 [ 71.805029][ T4974] btrfs_add_link+0x294/0xa68 [ 71.805776][ T4974] btrfs_create+0x45c/0x508 [ 71.806500][ T4974] path_openat+0x1144/0x26e4 [ 71.807247][ T4974] do_filp_open+0x164/0x330 [ 71.808017][ T4974] do_sys_openat2+0x128/0x3d8 [ 71.808775][ T4974] __arm64_sys_openat+0x120/0x154 [ 71.809573][ T4974] invoke_syscall+0x98/0x2b8 [ 71.810331][ T4974] el0_svc_common+0x138/0x258 [ 71.811056][ T4974] do_el0_svc+0x58/0x14c [ 71.811734][ T4974] el0_svc+0x78/0x1e0 [ 71.812307][ T4974] el0t_64_sync_handler+0xcc/0xe4 [ 71.813050][ T4974] el0t_64_sync+0x1a0/0x1a4 [ 71.814822][ T4974] ------------[ cut here ]------------ [ 71.815795][ T4974] WARNING: CPU: 0 PID: 4974 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 71.817218][ T4974] Modules linked in: [ 71.817816][ T4974] CPU: 0 PID: 4974 Comm: syz.0.16 Tainted: G W syzkaller #0 [ 71.819172][ T4974] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 71.820856][ T4974] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 71.822132][ T4974] pc : btrfs_add_link+0x6e8/0xa68 [ 71.822950][ T4974] lr : btrfs_add_link+0x6e8/0xa68 [ 71.823811][ T4974] sp : ffff80001ff87580 [ 71.824442][ T4974] x29: ffff80001ff87680 x28: ffff0000ded814d0 x27: 0000000000000108 [ 71.825742][ T4974] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 71.827039][ T4974] x23: 0000000000000014 x22: 1fffe0001bdb02a5 x21: ffff700003ff0eb8 [ 71.828308][ T4974] x20: 00000000fffffff4 x19: ffff0000ded81528 x18: 0000000000000001 [ 71.829532][ T4974] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 71.830755][ T4974] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 71.831957][ T4974] x11: 0000000000000000 x10: 0000000000000000 x9 : e40c73a40a4d0100 [ 71.833198][ T4974] x8 : e40c73a40a4d0100 x7 : 0000000000000001 x6 : 0000000000000001 [ 71.834444][ T4974] x5 : ffff80001ff86e78 x4 : ffff80001425f420 x3 : ffff800008504400 [ 71.835817][ T4974] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 71.837200][ T4974] Call trace: [ 71.837719][ T4974] btrfs_add_link+0x6e8/0xa68 [ 71.838496][ T4974] btrfs_create+0x45c/0x508 [ 71.839229][ T4974] path_openat+0x1144/0x26e4 [ 71.840009][ T4974] do_filp_open+0x164/0x330 [ 71.840772][ T4974] do_sys_openat2+0x128/0x3d8 [ 71.841551][ T4974] __arm64_sys_openat+0x120/0x154 [ 71.842406][ T4974] invoke_syscall+0x98/0x2b8 [ 71.843123][ T4974] el0_svc_common+0x138/0x258 [ 71.843883][ T4974] do_el0_svc+0x58/0x14c [ 71.844532][ T4974] el0_svc+0x78/0x1e0 [ 71.845134][ T4974] el0t_64_sync_handler+0xcc/0xe4 [ 71.845912][ T4974] el0t_64_sync+0x1a0/0x1a4 [ 71.846623][ T4974] irq event stamp: 81274 [ 71.847287][ T4974] hardirqs last enabled at (81273): [] __up_console_sem+0xb4/0x100 [ 71.848590][ T4974] hardirqs last disabled at (81274): [] el1_dbg+0x24/0x80 [ 71.849782][ T4974] softirqs last enabled at (81254): [] handle_softirqs+0xa4c/0xbf0 [ 71.851321][ T4974] softirqs last disabled at (81209): [] __irq_exit_rcu+0x240/0x440 [ 71.852798][ T4974] ---[ end trace 03819c0c8a49c9ee ]--- [ 71.854720][ T4974] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 71.856137][ T4974] BTRFS info (device loop0): forced readonly [ 71.993653][ T5006] loop0: detected capacity change from 0 to 32768 [ 72.045063][ T5006] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.17 (5006) [ 72.049655][ T405] device hsr_slave_0 left promiscuous mode [ 72.051241][ T5006] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 72.053174][ T5006] BTRFS info (device loop0): setting nodatacow, compression disabled [ 72.054452][ T5006] BTRFS info (device loop0): setting datacow [ 72.055347][ T5006] BTRFS info (device loop0): doing ref verification [ 72.056315][ T5006] BTRFS info (device loop0): force clearing of disk cache [ 72.057379][ T5006] BTRFS info (device loop0): turning off barriers [ 72.058407][ T5006] BTRFS info (device loop0): use zlib compression, level 3 [ 72.059468][ T5006] BTRFS info (device loop0): using free space tree [ 72.060436][ T5006] BTRFS info (device loop0): has skinny extents [ 72.069076][ T5006] BTRFS info (device loop0): clearing free space tree [ 72.070189][ T5006] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 72.071796][ T5006] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 72.075836][ T5006] BTRFS info (device loop0): creating free space tree [ 72.077186][ T5006] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 72.078740][ T5006] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 72.083342][ T405] device hsr_slave_1 left promiscuous mode [ 72.083873][ T5006] FAULT_INJECTION: forcing a failure. [ 72.083873][ T5006] name failslab, interval 1, probability 0, space 0, times 0 [ 72.086301][ T5006] CPU: 0 PID: 5006 Comm: syz.0.17 Tainted: G W syzkaller #0 [ 72.087641][ T5006] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 72.089191][ T5006] Call trace: [ 72.089755][ T5006] dump_backtrace+0x0/0x43c [ 72.090498][ T5006] show_stack+0x2c/0x3c [ 72.091226][ T5006] __dump_stack+0x30/0x40 [ 72.091956][ T5006] dump_stack_lvl+0xf8/0x160 [ 72.092711][ T5006] dump_stack+0x1c/0x5c [ 72.093340][ T5006] should_fail+0x3c0/0x51c [ 72.094035][ T5006] __should_failslab+0xbc/0x10c [ 72.094856][ T5006] should_failslab+0x10/0x28 [ 72.095605][ T5006] slab_pre_alloc_hook+0x64/0xec [ 72.096400][ T5006] kmem_cache_alloc+0x94/0x3e4 [ 72.097153][ T5006] btrfs_alloc_path+0x5c/0x68 [ 72.097910][ T5006] btrfs_insert_dir_item+0x16c/0x3b8 [ 72.098830][ T5006] btrfs_add_link+0x294/0xa68 [ 72.099625][ T5006] btrfs_create+0x45c/0x508 [ 72.100407][ T5006] path_openat+0x1144/0x26e4 [ 72.101193][ T5006] do_filp_open+0x164/0x330 [ 72.101989][ T5006] do_sys_openat2+0x128/0x3d8 [ 72.102764][ T5006] __arm64_sys_openat+0x120/0x154 [ 72.103662][ T5006] invoke_syscall+0x98/0x2b8 [ 72.104493][ T5006] el0_svc_common+0x138/0x258 [ 72.105287][ T5006] do_el0_svc+0x58/0x14c [ 72.106017][ T5006] el0_svc+0x78/0x1e0 [ 72.106656][ T5006] el0t_64_sync_handler+0xcc/0xe4 [ 72.107487][ T5006] el0t_64_sync+0x1a0/0x1a4 [ 72.109861][ T5006] ------------[ cut here ]------------ [ 72.110774][ T5006] WARNING: CPU: 0 PID: 5006 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 72.112112][ T5006] Modules linked in: [ 72.112722][ T5006] CPU: 0 PID: 5006 Comm: syz.0.17 Tainted: G W syzkaller #0 [ 72.114163][ T5006] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 72.115810][ T5006] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 72.117050][ T5006] pc : btrfs_add_link+0x6e8/0xa68 [ 72.117928][ T5006] lr : btrfs_add_link+0x6e8/0xa68 [ 72.118749][ T5006] sp : ffff8000201a7580 [ 72.119486][ T5006] x29: ffff8000201a7680 x28: ffff0000ded81790 x27: 0000000000000108 [ 72.120839][ T5006] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 72.122109][ T5006] x23: 0000000000000014 x22: 1fffe0001bdb02fd x21: ffff700004034eb8 [ 72.123480][ T5006] x20: 00000000fffffff4 x19: ffff0000ded817e8 x18: 0000000000000001 [ 72.124842][ T5006] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 72.126261][ T5006] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 72.127658][ T5006] x11: 0000000000000000 x10: 0000000000000000 x9 : c1aca224b662fe00 [ 72.129105][ T5006] x8 : c1aca224b662fe00 x7 : 0000000000000001 x6 : 0000000000000001 [ 72.130478][ T5006] x5 : ffff8000201a6e78 x4 : ffff80001425f420 x3 : ffff800008504400 [ 72.131850][ T5006] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 72.133141][ T5006] Call trace: [ 72.133651][ T5006] btrfs_add_link+0x6e8/0xa68 [ 72.134424][ T5006] btrfs_create+0x45c/0x508 [ 72.135157][ T5006] path_openat+0x1144/0x26e4 [ 72.135896][ T5006] do_filp_open+0x164/0x330 [ 72.136620][ T5006] do_sys_openat2+0x128/0x3d8 [ 72.137403][ T5006] __arm64_sys_openat+0x120/0x154 [ 72.138256][ T5006] invoke_syscall+0x98/0x2b8 [ 72.139033][ T5006] el0_svc_common+0x138/0x258 [ 72.139805][ T5006] do_el0_svc+0x58/0x14c [ 72.140475][ T5006] el0_svc+0x78/0x1e0 [ 72.141120][ T5006] el0t_64_sync_handler+0xcc/0xe4 [ 72.141908][ T5006] el0t_64_sync+0x1a0/0x1a4 [ 72.142668][ T5006] irq event stamp: 82036 [ 72.143372][ T5006] hardirqs last enabled at (82035): [] __up_console_sem+0xb4/0x100 [ 72.144998][ T5006] hardirqs last disabled at (82036): [] el1_dbg+0x24/0x80 [ 72.146497][ T5006] softirqs last enabled at (82016): [] handle_softirqs+0xa4c/0xbf0 [ 72.148156][ T5006] softirqs last disabled at (81933): [] __irq_exit_rcu+0x240/0x440 [ 72.149718][ T5006] ---[ end trace 03819c0c8a49c9ef ]--- [ 72.151074][ T5006] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 72.152517][ T5006] BTRFS info (device loop0): forced readonly [ 72.174461][ T405] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 72.175699][ T405] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 72.192897][ T405] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 72.194121][ T405] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 72.195568][ T405] device bridge_slave_1 left promiscuous mode [ 72.196808][ T405] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.235675][ T405] device bridge_slave_0 left promiscuous mode [ 72.236814][ T405] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.303979][ T5029] loop0: detected capacity change from 0 to 32768 [ 72.332893][ T405] device veth1_macvtap left promiscuous mode [ 72.333740][ T5029] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.18 (5029) [ 72.333775][ T405] device veth0_macvtap left promiscuous mode [ 72.336635][ T405] device veth1_vlan left promiscuous mode [ 72.337511][ T405] device veth0_vlan left promiscuous mode [ 72.417988][ T5029] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 72.419810][ T5029] BTRFS info (device loop0): setting nodatacow, compression disabled [ 72.421075][ T5029] BTRFS info (device loop0): setting datacow [ 72.421988][ T5029] BTRFS info (device loop0): doing ref verification [ 72.429071][ T5029] BTRFS info (device loop0): force clearing of disk cache [ 72.430344][ T5029] BTRFS info (device loop0): turning off barriers [ 72.431376][ T5029] BTRFS info (device loop0): use zlib compression, level 3 [ 72.432446][ T5029] BTRFS info (device loop0): using free space tree [ 72.433715][ T5029] BTRFS info (device loop0): has skinny extents [ 72.456471][ T405] team0 (unregistering): Port device team_slave_1 removed [ 72.461185][ T405] team0 (unregistering): Port device team_slave_0 removed [ 72.466893][ T405] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 72.468903][ T5029] BTRFS info (device loop0): clearing free space tree [ 72.470046][ T5029] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 72.471579][ T5029] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 72.476004][ T5029] BTRFS info (device loop0): creating free space tree [ 72.477405][ T5029] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 72.478825][ T5029] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 72.485958][ T5029] FAULT_INJECTION: forcing a failure. [ 72.485958][ T5029] name failslab, interval 1, probability 0, space 0, times 0 [ 72.487933][ T5029] CPU: 1 PID: 5029 Comm: syz.0.18 Tainted: G W syzkaller #0 [ 72.489281][ T5029] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 72.490942][ T5029] Call trace: [ 72.491431][ T5029] dump_backtrace+0x0/0x43c [ 72.492099][ T5029] show_stack+0x2c/0x3c [ 72.492767][ T5029] __dump_stack+0x30/0x40 [ 72.493474][ T5029] dump_stack_lvl+0xf8/0x160 [ 72.494224][ T5029] dump_stack+0x1c/0x5c [ 72.494903][ T5029] should_fail+0x3c0/0x51c [ 72.495640][ T5029] __should_failslab+0xbc/0x10c [ 72.496416][ T5029] should_failslab+0x10/0x28 [ 72.497141][ T5029] slab_pre_alloc_hook+0x64/0xec [ 72.497933][ T5029] kmem_cache_alloc+0x94/0x3e4 [ 72.498727][ T5029] btrfs_alloc_path+0x5c/0x68 [ 72.499512][ T5029] btrfs_insert_dir_item+0x16c/0x3b8 [ 72.500250][ T5029] btrfs_add_link+0x294/0xa68 [ 72.500913][ T5029] btrfs_create+0x45c/0x508 [ 72.501561][ T5029] path_openat+0x1144/0x26e4 [ 72.502305][ T5029] do_filp_open+0x164/0x330 [ 72.503012][ T5029] do_sys_openat2+0x128/0x3d8 [ 72.503771][ T5029] __arm64_sys_openat+0x120/0x154 [ 72.504611][ T5029] invoke_syscall+0x98/0x2b8 [ 72.505349][ T5029] el0_svc_common+0x138/0x258 [ 72.506133][ T5029] do_el0_svc+0x58/0x14c [ 72.506845][ T5029] el0_svc+0x78/0x1e0 [ 72.507546][ T5029] el0t_64_sync_handler+0xcc/0xe4 [ 72.508357][ T5029] el0t_64_sync+0x1a0/0x1a4 [ 72.515651][ T405] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 72.517108][ T5029] ------------[ cut here ]------------ [ 72.518049][ T5029] WARNING: CPU: 1 PID: 5029 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 72.519376][ T5029] Modules linked in: [ 72.520019][ T5029] CPU: 1 PID: 5029 Comm: syz.0.18 Tainted: G W syzkaller #0 [ 72.521418][ T5029] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 72.522964][ T5029] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 72.524081][ T5029] pc : btrfs_add_link+0x6e8/0xa68 [ 72.524793][ T5029] lr : btrfs_add_link+0x6e8/0xa68 [ 72.525514][ T5029] sp : ffff80001ff77580 [ 72.526204][ T5029] x29: ffff80001ff77680 x28: ffff0000dee81210 x27: 0000000000000108 [ 72.527564][ T5029] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 72.528855][ T5029] x23: 0000000000000014 x22: 1fffe0001bdd024d x21: ffff700003feeeb8 [ 72.530057][ T5029] x20: 00000000fffffff4 x19: ffff0000dee81268 x18: 0000000000000001 [ 72.531394][ T5029] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 72.532749][ T5029] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 72.534045][ T5029] x11: 0000000000000000 x10: 0000000000000000 x9 : fa8cc8d6bad86300 [ 72.535325][ T5029] x8 : fa8cc8d6bad86300 x7 : 0000000000000001 x6 : 0000000000000001 [ 72.536625][ T5029] x5 : ffff80001ff76e78 x4 : ffff80001425f420 x3 : ffff800008504400 [ 72.537866][ T5029] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 72.539130][ T5029] Call trace: [ 72.539632][ T5029] btrfs_add_link+0x6e8/0xa68 [ 72.540386][ T5029] btrfs_create+0x45c/0x508 [ 72.541132][ T5029] path_openat+0x1144/0x26e4 [ 72.541845][ T5029] do_filp_open+0x164/0x330 [ 72.542520][ T5029] do_sys_openat2+0x128/0x3d8 [ 72.543281][ T5029] __arm64_sys_openat+0x120/0x154 [ 72.544079][ T5029] invoke_syscall+0x98/0x2b8 [ 72.544854][ T5029] el0_svc_common+0x138/0x258 [ 72.545596][ T5029] do_el0_svc+0x58/0x14c [ 72.546241][ T5029] el0_svc+0x78/0x1e0 [ 72.546921][ T5029] el0t_64_sync_handler+0xcc/0xe4 [ 72.547740][ T5029] el0t_64_sync+0x1a0/0x1a4 [ 72.548452][ T5029] irq event stamp: 81988 [ 72.549043][ T5029] hardirqs last enabled at (81987): [] __up_console_sem+0xb4/0x100 [ 72.550455][ T5029] hardirqs last disabled at (81988): [] el1_dbg+0x24/0x80 [ 72.551838][ T5029] softirqs last enabled at (81968): [] handle_softirqs+0xa4c/0xbf0 [ 72.553484][ T5029] softirqs last disabled at (81855): [] __irq_exit_rcu+0x240/0x440 [ 72.555024][ T5029] ---[ end trace 03819c0c8a49c9f0 ]--- [ 72.556606][ T5029] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 72.558651][ T5029] BTRFS info (device loop0): forced readonly [ 72.656391][ T405] bond0 (unregistering): Released all slaves [ 72.778887][ T5053] loop0: detected capacity change from 0 to 32768 [ 72.803869][ T5053] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.19 (5053) [ 72.811393][ T5053] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 72.812898][ T5053] BTRFS info (device loop0): setting nodatacow, compression disabled [ 72.814181][ T5053] BTRFS info (device loop0): setting datacow [ 72.815127][ T5053] BTRFS info (device loop0): doing ref verification [ 72.816207][ T5053] BTRFS info (device loop0): force clearing of disk cache [ 72.817393][ T5053] BTRFS info (device loop0): turning off barriers [ 72.818346][ T5053] BTRFS info (device loop0): use zlib compression, level 3 [ 72.819414][ T5053] BTRFS info (device loop0): using free space tree [ 72.820390][ T5053] BTRFS info (device loop0): has skinny extents [ 72.833435][ T5053] BTRFS info (device loop0): clearing free space tree [ 72.834649][ T5053] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 72.836289][ T5053] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 72.839869][ T5053] BTRFS info (device loop0): creating free space tree [ 72.841240][ T5053] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 72.842993][ T5053] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 72.847325][ T5053] FAULT_INJECTION: forcing a failure. [ 72.847325][ T5053] name failslab, interval 1, probability 0, space 0, times 0 [ 72.849232][ T5053] CPU: 1 PID: 5053 Comm: syz.0.19 Tainted: G W syzkaller #0 [ 72.850486][ T5053] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 72.851927][ T5053] Call trace: [ 72.852407][ T5053] dump_backtrace+0x0/0x43c [ 72.853128][ T5053] show_stack+0x2c/0x3c [ 72.853737][ T5053] __dump_stack+0x30/0x40 [ 72.854410][ T5053] dump_stack_lvl+0xf8/0x160 [ 72.855073][ T5053] dump_stack+0x1c/0x5c [ 72.855682][ T5053] should_fail+0x3c0/0x51c [ 72.856330][ T5053] __should_failslab+0xbc/0x10c [ 72.857113][ T5053] should_failslab+0x10/0x28 [ 72.857830][ T5053] slab_pre_alloc_hook+0x64/0xec [ 72.858690][ T5053] kmem_cache_alloc+0x94/0x3e4 [ 72.859494][ T5053] btrfs_get_or_create_delayed_node+0x128/0x4c8 [ 72.860579][ T5053] btrfs_delayed_update_inode+0x3c/0x1b7c [ 72.861568][ T5053] btrfs_update_inode+0x210/0x3d4 [ 72.862345][ T5053] btrfs_create+0x360/0x508 [ 72.863141][ T5053] path_openat+0x1144/0x26e4 [ 72.863924][ T5053] do_filp_open+0x164/0x330 [ 72.864689][ T5053] do_sys_openat2+0x128/0x3d8 [ 72.865521][ T5053] __arm64_sys_openat+0x120/0x154 [ 72.866345][ T5053] invoke_syscall+0x98/0x2b8 [ 72.867037][ T5053] el0_svc_common+0x138/0x258 [ 72.867759][ T5053] do_el0_svc+0x58/0x14c [ 72.868447][ T5053] el0_svc+0x78/0x1e0 [ 72.869101][ T5053] el0t_64_sync_handler+0xcc/0xe4 [ 72.869946][ T5053] el0t_64_sync+0x1a0/0x1a4 [ 73.029320][ T5075] loop0: detected capacity change from 0 to 32768 [ 73.055471][ T5075] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.20 (5075) [ 73.115708][ T5075] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 73.117161][ T5075] BTRFS info (device loop0): setting nodatacow, compression disabled [ 73.118369][ T5075] BTRFS info (device loop0): setting datacow [ 73.119357][ T5075] BTRFS info (device loop0): doing ref verification [ 73.120361][ T5075] BTRFS info (device loop0): force clearing of disk cache [ 73.121469][ T5075] BTRFS info (device loop0): turning off barriers [ 73.122462][ T5075] BTRFS info (device loop0): use zlib compression, level 3 [ 73.123802][ T5075] BTRFS info (device loop0): using free space tree [ 73.124870][ T5075] BTRFS info (device loop0): has skinny extents [ 73.132862][ T5075] BTRFS info (device loop0): clearing free space tree [ 73.133961][ T5075] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 73.135487][ T5075] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 73.139139][ T5075] BTRFS info (device loop0): creating free space tree [ 73.140621][ T5075] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 73.142065][ T5075] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 73.146450][ T5075] FAULT_INJECTION: forcing a failure. [ 73.146450][ T5075] name failslab, interval 1, probability 0, space 0, times 0 [ 73.148641][ T5075] CPU: 1 PID: 5075 Comm: syz.0.20 Tainted: G W syzkaller #0 [ 73.150052][ T5075] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 73.151664][ T5075] Call trace: [ 73.152167][ T5075] dump_backtrace+0x0/0x43c [ 73.152896][ T5075] show_stack+0x2c/0x3c [ 73.153535][ T5075] __dump_stack+0x30/0x40 [ 73.154202][ T5075] dump_stack_lvl+0xf8/0x160 [ 73.154927][ T5075] dump_stack+0x1c/0x5c [ 73.155572][ T5075] should_fail+0x3c0/0x51c [ 73.156295][ T5075] __should_failslab+0xbc/0x10c [ 73.157064][ T5075] should_failslab+0x10/0x28 [ 73.157770][ T5075] slab_pre_alloc_hook+0x64/0xec [ 73.158519][ T5075] kmem_cache_alloc+0x94/0x3e4 [ 73.159233][ T5075] btrfs_get_or_create_delayed_node+0x128/0x4c8 [ 73.160312][ T5075] btrfs_delayed_update_inode+0x3c/0x1b7c [ 73.161212][ T5075] btrfs_update_inode+0x210/0x3d4 [ 73.162039][ T5075] btrfs_create+0x360/0x508 [ 73.162758][ T5075] path_openat+0x1144/0x26e4 [ 73.163476][ T5075] do_filp_open+0x164/0x330 [ 73.164153][ T5075] do_sys_openat2+0x128/0x3d8 [ 73.164913][ T5075] __arm64_sys_openat+0x120/0x154 [ 73.165705][ T5075] invoke_syscall+0x98/0x2b8 [ 73.166418][ T5075] el0_svc_common+0x138/0x258 [ 73.167085][ T5075] do_el0_svc+0x58/0x14c [ 73.167685][ T5075] el0_svc+0x78/0x1e0 [ 73.168306][ T5075] el0t_64_sync_handler+0xcc/0xe4 [ 73.169081][ T5075] el0t_64_sync+0x1a0/0x1a4 [ 73.326900][ T5099] loop0: detected capacity change from 0 to 32768 [ 73.363873][ T5099] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.21 (5099) [ 73.367257][ T5099] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 73.368661][ T5099] BTRFS info (device loop0): setting nodatacow, compression disabled [ 73.369952][ T5099] BTRFS info (device loop0): setting datacow [ 73.370934][ T5099] BTRFS info (device loop0): doing ref verification [ 73.371978][ T5099] BTRFS info (device loop0): force clearing of disk cache [ 73.373116][ T5099] BTRFS info (device loop0): turning off barriers [ 73.387086][ T5099] FAULT_INJECTION: forcing a failure. [ 73.387086][ T5099] name failslab, interval 1, probability 0, space 0, times 0 [ 73.389134][ T5099] CPU: 0 PID: 5099 Comm: syz.0.21 Tainted: G W syzkaller #0 [ 73.390586][ T5099] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 73.392330][ T5099] Call trace: [ 73.392894][ T5099] dump_backtrace+0x0/0x43c [ 73.393624][ T5099] show_stack+0x2c/0x3c [ 73.394358][ T5099] __dump_stack+0x30/0x40 [ 73.395099][ T5099] dump_stack_lvl+0xf8/0x160 [ 73.395827][ T5099] dump_stack+0x1c/0x5c [ 73.396507][ T5099] should_fail+0x3c0/0x51c [ 73.397206][ T5099] __should_failslab+0xbc/0x10c [ 73.398011][ T5099] should_failslab+0x10/0x28 [ 73.398737][ T5099] slab_pre_alloc_hook+0x64/0xec [ 73.399522][ T5099] kmem_cache_alloc+0x94/0x3e4 [ 73.400364][ T5099] btrfs_alloc_path+0x5c/0x68 [ 73.401146][ T5099] btrfs_insert_dir_item+0x16c/0x3b8 [ 73.401952][ T5099] btrfs_add_link+0x294/0xa68 [ 73.402656][ T5099] btrfs_create+0x45c/0x508 [ 73.403347][ T5099] path_openat+0x1144/0x26e4 [ 73.404011][ T5099] do_filp_open+0x164/0x330 [ 73.404648][ T5099] do_sys_openat2+0x128/0x3d8 [ 73.405357][ T5099] __arm64_sys_openat+0x120/0x154 [ 73.406108][ T5099] invoke_syscall+0x98/0x2b8 [ 73.406774][ T5099] el0_svc_common+0x138/0x258 [ 73.407505][ T5099] do_el0_svc+0x58/0x14c [ 73.408130][ T5099] el0_svc+0x78/0x1e0 [ 73.408680][ T5099] el0t_64_sync_handler+0xcc/0xe4 [ 73.409443][ T5099] el0t_64_sync+0x1a0/0x1a4 [ 73.412659][ T5099] ------------[ cut here ]------------ [ 73.413617][ T5099] WARNING: CPU: 0 PID: 5099 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 73.414890][ T5099] Modules linked in: [ 73.415488][ T5099] CPU: 0 PID: 5099 Comm: syz.0.21 Tainted: G W syzkaller #0 [ 73.416784][ T5099] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 73.418242][ T5099] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 73.419385][ T5099] pc : btrfs_add_link+0x6e8/0xa68 [ 73.420061][ T5099] lr : btrfs_add_link+0x6e8/0xa68 [ 73.420787][ T5099] sp : ffff8000206b7580 [ 73.421362][ T5099] x29: ffff8000206b7680 x28: ffff0000ded81d10 x27: 0000000000000108 [ 73.422489][ T5099] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 73.423670][ T5099] x23: 0000000000000014 x22: 1fffe0001bdb03ad x21: ffff7000040d6eb8 [ 73.424875][ T5099] x20: 00000000fffffff4 x19: ffff0000ded81d68 x18: 0000000000000001 [ 73.426085][ T5099] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 73.427293][ T5099] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 73.428458][ T5099] x11: 0000000000000000 x10: 0000000000000000 x9 : 00ebf8d255895c00 [ 73.429662][ T5099] x8 : 00ebf8d255895c00 x7 : 0000000000000001 x6 : 0000000000000001 [ 73.430873][ T5099] x5 : ffff8000206b6e78 x4 : ffff80001425f420 x3 : ffff800008504400 [ 73.432071][ T5099] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 73.433242][ T5099] Call trace: [ 73.433724][ T5099] btrfs_add_link+0x6e8/0xa68 [ 73.434416][ T5099] btrfs_create+0x45c/0x508 [ 73.435101][ T5099] path_openat+0x1144/0x26e4 [ 73.435836][ T5099] do_filp_open+0x164/0x330 [ 73.436467][ T5099] do_sys_openat2+0x128/0x3d8 [ 73.437195][ T5099] __arm64_sys_openat+0x120/0x154 [ 73.437955][ T5099] invoke_syscall+0x98/0x2b8 [ 73.438639][ T5099] el0_svc_common+0x138/0x258 [ 73.439352][ T5099] do_el0_svc+0x58/0x14c [ 73.439938][ T5099] el0_svc+0x78/0x1e0 [ 73.440520][ T5099] el0t_64_sync_handler+0xcc/0xe4 [ 73.441275][ T5099] el0t_64_sync+0x1a0/0x1a4 [ 73.441914][ T5099] irq event stamp: 81960 [ 73.442497][ T5099] hardirqs last enabled at (81959): [] __up_console_sem+0xb4/0x100 [ 73.443946][ T5099] hardirqs last disabled at (81960): [] el1_dbg+0x24/0x80 [ 73.445209][ T5099] softirqs last enabled at (81940): [] handle_softirqs+0xa4c/0xbf0 [ 73.446542][ T5099] softirqs last disabled at (81807): [] __irq_exit_rcu+0x240/0x440 [ 73.447905][ T5099] ---[ end trace 03819c0c8a49c9f1 ]--- [ 73.449343][ T5099] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 73.589677][ T5121] loop0: detected capacity change from 0 to 32768 [ 73.628109][ T5121] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.22 (5121) [ 73.645781][ T5121] FAULT_INJECTION: forcing a failure. [ 73.645781][ T5121] name failslab, interval 1, probability 0, space 0, times 0 [ 73.647851][ T5121] CPU: 0 PID: 5121 Comm: syz.0.22 Tainted: G W syzkaller #0 [ 73.649163][ T5121] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 73.650756][ T5121] Call trace: [ 73.651255][ T5121] dump_backtrace+0x0/0x43c [ 73.651975][ T5121] show_stack+0x2c/0x3c [ 73.652616][ T5121] __dump_stack+0x30/0x40 [ 73.653369][ T5121] dump_stack_lvl+0xf8/0x160 [ 73.654129][ T5121] dump_stack+0x1c/0x5c [ 73.654788][ T5121] should_fail+0x3c0/0x51c [ 73.655490][ T5121] __should_failslab+0xbc/0x10c [ 73.656257][ T5121] should_failslab+0x10/0x28 [ 73.657000][ T5121] slab_pre_alloc_hook+0x64/0xec [ 73.657833][ T5121] kmem_cache_alloc+0x94/0x3e4 [ 73.658661][ T5121] btrfs_get_or_create_delayed_node+0x128/0x4c8 [ 73.659622][ T5121] btrfs_delayed_update_inode+0x3c/0x1b7c [ 73.660591][ T5121] btrfs_update_inode+0x210/0x3d4 [ 73.661421][ T5121] btrfs_create+0x360/0x508 [ 73.662185][ T5121] path_openat+0x1144/0x26e4 [ 73.662869][ T5121] do_filp_open+0x164/0x330 [ 73.663556][ T5121] do_sys_openat2+0x128/0x3d8 [ 73.664311][ T5121] __arm64_sys_openat+0x120/0x154 [ 73.665086][ T5121] invoke_syscall+0x98/0x2b8 [ 73.665826][ T5121] el0_svc_common+0x138/0x258 [ 73.666563][ T5121] do_el0_svc+0x58/0x14c [ 73.667210][ T5121] el0_svc+0x78/0x1e0 [ 73.667824][ T5121] el0t_64_sync_handler+0xcc/0xe4 [ 73.668542][ T5121] el0t_64_sync+0x1a0/0x1a4 [ 73.703495][ T5000] Bluetooth: hci0: command 0x0419 tx timeout [ 73.736043][ T4904] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 12 /dev/loop0 scanned by udevd (4904) [ 73.849577][ T5142] FAULT_INJECTION: forcing a failure. [ 73.849577][ T5142] name fail_usercopy, interval 1, probability 0, space 0, times 1 [ 73.851807][ T5142] CPU: 1 PID: 5142 Comm: syz.0.23 Tainted: G W syzkaller #0 [ 73.853006][ T5142] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 73.854604][ T5142] Call trace: [ 73.855072][ T5142] dump_backtrace+0x0/0x43c [ 73.855764][ T5142] show_stack+0x2c/0x3c [ 73.856421][ T5142] __dump_stack+0x30/0x40 [ 73.857172][ T5142] dump_stack_lvl+0xf8/0x160 [ 73.857875][ T5142] dump_stack+0x1c/0x5c [ 73.858524][ T5142] should_fail+0x3c0/0x51c [ 73.859273][ T5142] should_fail_usercopy+0x20/0x30 [ 73.860093][ T5142] simple_read_from_buffer+0xd0/0x264 [ 73.860906][ T5142] proc_fail_nth_read+0x19c/0x244 [ 73.861616][ T5142] vfs_read+0x278/0xa10 [ 73.862219][ T5142] ksys_read+0x120/0x210 [ 73.862941][ T5142] __arm64_sys_read+0x7c/0x90 [ 73.863690][ T5142] invoke_syscall+0x98/0x2b8 [ 73.864395][ T5142] el0_svc_common+0x138/0x258 [ 73.865125][ T5142] do_el0_svc+0x58/0x14c [ 73.865783][ T5142] el0_svc+0x78/0x1e0 [ 73.866389][ T5142] el0t_64_sync_handler+0xcc/0xe4 [ 73.867189][ T5142] el0t_64_sync+0x1a0/0x1a4 [ 74.021376][ T5145] loop0: detected capacity change from 0 to 32768 [ 74.108877][ T5145] FAULT_INJECTION: forcing a failure. [ 74.108877][ T5145] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 74.110931][ T5145] CPU: 0 PID: 5145 Comm: syz.0.24 Tainted: G W syzkaller #0 [ 74.112247][ T5145] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 74.113776][ T5145] Call trace: [ 74.114304][ T5145] dump_backtrace+0x0/0x43c [ 74.115061][ T5145] show_stack+0x2c/0x3c [ 74.115737][ T5145] __dump_stack+0x30/0x40 [ 74.116461][ T5145] dump_stack_lvl+0xf8/0x160 [ 74.117165][ T5145] dump_stack+0x1c/0x5c [ 74.117827][ T5145] should_fail+0x3c0/0x51c [ 74.118550][ T5145] should_fail_alloc_page+0x74/0xa8 [ 74.119375][ T5145] prepare_alloc_pages+0x160/0x460 [ 74.120236][ T5145] __alloc_pages+0x108/0x470 [ 74.120954][ T5145] alloc_pages+0x34c/0x5c0 [ 74.121584][ T5145] new_slab+0xe0/0x55c [ 74.122192][ T5145] ___slab_alloc+0x6c0/0xda8 [ 74.122892][ T5145] __slab_alloc+0x68/0xc0 [ 74.123549][ T5145] kmem_cache_alloc+0x2ac/0x3e4 [ 74.124293][ T5145] btrfs_get_or_create_delayed_node+0x128/0x4c8 [ 74.125295][ T5145] btrfs_delayed_update_inode+0x3c/0x1b7c [ 74.126210][ T5145] btrfs_update_inode+0x210/0x3d4 [ 74.126997][ T5145] btrfs_create+0x360/0x508 [ 74.127721][ T5145] path_openat+0x1144/0x26e4 [ 74.128470][ T5145] do_filp_open+0x164/0x330 [ 74.129202][ T5145] do_sys_openat2+0x128/0x3d8 [ 74.129915][ T5145] __arm64_sys_openat+0x120/0x154 [ 74.130691][ T5145] invoke_syscall+0x98/0x2b8 [ 74.131410][ T5145] el0_svc_common+0x138/0x258 [ 74.132196][ T5145] do_el0_svc+0x58/0x14c [ 74.132887][ T5145] el0_svc+0x78/0x1e0 [ 74.133548][ T5145] el0t_64_sync_handler+0xcc/0xe4 [ 74.134358][ T5145] el0t_64_sync+0x1a0/0x1a4 [ 74.289399][ T5167] loop0: detected capacity change from 0 to 32768 [ 74.296726][ T5167] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.25 (5167) [ 74.315756][ T5167] FAULT_INJECTION: forcing a failure. [ 74.315756][ T5167] name failslab, interval 1, probability 0, space 0, times 0 [ 74.317791][ T5167] CPU: 1 PID: 5167 Comm: syz.0.25 Tainted: G W syzkaller #0 [ 74.319017][ T5167] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 74.320474][ T5167] Call trace: [ 74.320943][ T5167] dump_backtrace+0x0/0x43c [ 74.321556][ T5167] show_stack+0x2c/0x3c [ 74.322199][ T5167] __dump_stack+0x30/0x40 [ 74.322807][ T5167] dump_stack_lvl+0xf8/0x160 [ 74.323525][ T5167] dump_stack+0x1c/0x5c [ 74.324125][ T5167] should_fail+0x3c0/0x51c [ 74.324851][ T5167] __should_failslab+0xbc/0x10c [ 74.325608][ T5167] should_failslab+0x10/0x28 [ 74.326296][ T5167] slab_pre_alloc_hook+0x64/0xec [ 74.327065][ T5167] kmem_cache_alloc+0x94/0x3e4 [ 74.327861][ T5167] btrfs_alloc_inode+0x54/0x3ac [ 74.328655][ T5167] new_inode_pseudo+0x68/0x1fc [ 74.329453][ T5167] new_inode+0x38/0x174 [ 74.330112][ T5167] btrfs_new_inode+0x148/0x1538 [ 74.330896][ T5167] btrfs_create+0x248/0x508 [ 74.331629][ T5167] path_openat+0x1144/0x26e4 [ 74.332424][ T5167] do_filp_open+0x164/0x330 [ 74.333205][ T5167] do_sys_openat2+0x128/0x3d8 [ 74.333911][ T5167] __arm64_sys_openat+0x120/0x154 [ 74.334730][ T5167] invoke_syscall+0x98/0x2b8 [ 74.335460][ T5167] el0_svc_common+0x138/0x258 [ 74.336190][ T5167] do_el0_svc+0x58/0x14c [ 74.336870][ T5167] el0_svc+0x78/0x1e0 [ 74.337525][ T5167] el0t_64_sync_handler+0xcc/0xe4 [ 74.338350][ T5167] el0t_64_sync+0x1a0/0x1a4 [ 74.526597][ T5189] loop0: detected capacity change from 0 to 32768 [ 74.612629][ T5189] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.26 (5189) [ 74.637856][ T5189] FAULT_INJECTION: forcing a failure. [ 74.637856][ T5189] name failslab, interval 1, probability 0, space 0, times 0 [ 74.640101][ T5189] CPU: 1 PID: 5189 Comm: syz.0.26 Tainted: G W syzkaller #0 [ 74.641352][ T5189] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 74.642851][ T5189] Call trace: [ 74.643389][ T5189] dump_backtrace+0x0/0x43c [ 74.644035][ T5189] show_stack+0x2c/0x3c [ 74.644622][ T5189] __dump_stack+0x30/0x40 [ 74.645231][ T5189] dump_stack_lvl+0xf8/0x160 [ 74.645867][ T5189] dump_stack+0x1c/0x5c [ 74.646409][ T5189] should_fail+0x3c0/0x51c [ 74.647022][ T5189] __should_failslab+0xbc/0x10c [ 74.647702][ T5189] should_failslab+0x10/0x28 [ 74.648367][ T5189] slab_pre_alloc_hook+0x64/0xec [ 74.649212][ T5189] kmem_cache_alloc+0x94/0x3e4 [ 74.649842][ T5189] btrfs_alloc_path+0x5c/0x68 [ 74.650467][ T5189] btrfs_insert_dir_item+0x16c/0x3b8 [ 74.651208][ T5189] btrfs_add_link+0x294/0xa68 [ 74.651883][ T5189] btrfs_create+0x45c/0x508 [ 74.652493][ T5189] path_openat+0x1144/0x26e4 [ 74.653136][ T5189] do_filp_open+0x164/0x330 [ 74.653834][ T5189] do_sys_openat2+0x128/0x3d8 [ 74.654605][ T5189] __arm64_sys_openat+0x120/0x154 [ 74.655482][ T5189] invoke_syscall+0x98/0x2b8 [ 74.656250][ T5189] el0_svc_common+0x138/0x258 [ 74.657059][ T5189] do_el0_svc+0x58/0x14c [ 74.657786][ T5189] el0_svc+0x78/0x1e0 [ 74.658438][ T5189] el0t_64_sync_handler+0xcc/0xe4 [ 74.659274][ T5189] el0t_64_sync+0x1a0/0x1a4 [ 74.662072][ T5189] ------------[ cut here ]------------ [ 74.663574][ T5189] WARNING: CPU: 1 PID: 5189 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 74.664943][ T5189] Modules linked in: [ 74.665611][ T5189] CPU: 1 PID: 5189 Comm: syz.0.26 Tainted: G W syzkaller #0 [ 74.667038][ T5189] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 74.668751][ T5189] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 74.669985][ T5189] pc : btrfs_add_link+0x6e8/0xa68 [ 74.670776][ T5189] lr : btrfs_add_link+0x6e8/0xa68 [ 74.671573][ T5189] sp : ffff8000207b7580 [ 74.672206][ T5189] x29: ffff8000207b7680 x28: ffff0000dec27370 x27: 0000000000000108 [ 74.673539][ T5189] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 74.674804][ T5189] x23: 0000000000000014 x22: 1fffe0001bd84e79 x21: ffff7000040f6eb8 [ 74.676096][ T5189] x20: 00000000fffffff4 x19: ffff0000dec273c8 x18: 0000000000000001 [ 74.677341][ T5189] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 74.678602][ T5189] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 74.679825][ T5189] x11: 0000000000000000 x10: 0000000000000000 x9 : 3fab93b33b75d800 [ 74.681035][ T5189] x8 : 3fab93b33b75d800 x7 : 0000000000000001 x6 : 0000000000000001 [ 74.682316][ T5189] x5 : ffff8000207b6e78 x4 : ffff80001425f420 x3 : ffff800008504400 [ 74.683682][ T5189] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 74.685034][ T5189] Call trace: [ 74.685529][ T5189] btrfs_add_link+0x6e8/0xa68 [ 74.686165][ T5189] btrfs_create+0x45c/0x508 [ 74.686803][ T5189] path_openat+0x1144/0x26e4 [ 74.687564][ T5189] do_filp_open+0x164/0x330 [ 74.688248][ T5189] do_sys_openat2+0x128/0x3d8 [ 74.689042][ T5189] __arm64_sys_openat+0x120/0x154 [ 74.689928][ T5189] invoke_syscall+0x98/0x2b8 [ 74.690686][ T5189] el0_svc_common+0x138/0x258 [ 74.691400][ T5189] do_el0_svc+0x58/0x14c [ 74.692060][ T5189] el0_svc+0x78/0x1e0 [ 74.692678][ T5189] el0t_64_sync_handler+0xcc/0xe4 [ 74.693466][ T5189] el0t_64_sync+0x1a0/0x1a4 [ 74.694218][ T5189] irq event stamp: 81892 [ 74.694939][ T5189] hardirqs last enabled at (81891): [] __up_console_sem+0xb4/0x100 [ 74.696461][ T5189] hardirqs last disabled at (81892): [] el1_dbg+0x24/0x80 [ 74.697825][ T5189] softirqs last enabled at (81882): [] handle_softirqs+0xa4c/0xbf0 [ 74.699251][ T5189] softirqs last disabled at (81407): [] __irq_exit_rcu+0x240/0x440 [ 74.700758][ T5189] ---[ end trace 03819c0c8a49c9f2 ]--- [ 74.703840][ T5189] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 74.861909][ T5211] loop0: detected capacity change from 0 to 32768 [ 74.921975][ T5211] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.27 (5211) [ 74.963726][ T5211] FAULT_INJECTION: forcing a failure. [ 74.963726][ T5211] name failslab, interval 1, probability 0, space 0, times 0 [ 74.965787][ T5211] CPU: 0 PID: 5211 Comm: syz.0.27 Tainted: G W syzkaller #0 [ 74.967038][ T5211] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 74.968527][ T5211] Call trace: [ 74.969027][ T5211] dump_backtrace+0x0/0x43c [ 74.969728][ T5211] show_stack+0x2c/0x3c [ 74.970345][ T5211] __dump_stack+0x30/0x40 [ 74.971041][ T5211] dump_stack_lvl+0xf8/0x160 [ 74.971853][ T5211] dump_stack+0x1c/0x5c [ 74.972556][ T5211] should_fail+0x3c0/0x51c [ 74.973300][ T5211] __should_failslab+0xbc/0x10c [ 74.974082][ T5211] should_failslab+0x10/0x28 [ 74.974778][ T5211] slab_pre_alloc_hook+0x64/0xec [ 74.975558][ T5211] kmem_cache_alloc+0x94/0x3e4 [ 74.976324][ T5211] btrfs_alloc_path+0x5c/0x68 [ 74.977087][ T5211] btrfs_insert_dir_item+0x16c/0x3b8 [ 74.977971][ T5211] btrfs_add_link+0x294/0xa68 [ 74.978702][ T5211] btrfs_create+0x45c/0x508 [ 74.979361][ T5211] path_openat+0x1144/0x26e4 [ 74.980093][ T5211] do_filp_open+0x164/0x330 [ 74.980751][ T5211] do_sys_openat2+0x128/0x3d8 [ 74.981458][ T5211] __arm64_sys_openat+0x120/0x154 [ 74.982200][ T5211] invoke_syscall+0x98/0x2b8 [ 74.982913][ T5211] el0_svc_common+0x138/0x258 [ 74.983571][ T5211] do_el0_svc+0x58/0x14c [ 74.984297][ T5211] el0_svc+0x78/0x1e0 [ 74.984919][ T5211] el0t_64_sync_handler+0xcc/0xe4 [ 74.985709][ T5211] el0t_64_sync+0x1a0/0x1a4 [ 74.988292][ T5211] ------------[ cut here ]------------ [ 74.989330][ T5211] WARNING: CPU: 0 PID: 5211 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 74.990690][ T5211] Modules linked in: [ 74.991286][ T5211] CPU: 0 PID: 5211 Comm: syz.0.27 Tainted: G W syzkaller #0 [ 74.992609][ T5211] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 74.994222][ T5211] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 74.995550][ T5211] pc : btrfs_add_link+0x6e8/0xa68 [ 74.996381][ T5211] lr : btrfs_add_link+0x6e8/0xa68 [ 74.997204][ T5211] sp : ffff800020ae7580 [ 74.997878][ T5211] x29: ffff800020ae7680 x28: ffff0000dec20630 x27: 0000000000000108 [ 74.999223][ T5211] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 75.000589][ T5211] x23: 0000000000000014 x22: 1fffe0001bd840d1 x21: ffff70000415ceb8 [ 75.001822][ T5211] x20: 00000000fffffff4 x19: ffff0000dec20688 x18: 0000000000000001 [ 75.003116][ T5211] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 75.004416][ T5211] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 75.005721][ T5211] x11: 0000000000000000 x10: 0000000000000000 x9 : cfe27ad097753d00 [ 75.007030][ T5211] x8 : cfe27ad097753d00 x7 : 0000000000000001 x6 : 0000000000000001 [ 75.008413][ T5211] x5 : ffff800020ae6e78 x4 : ffff80001425f420 x3 : ffff800008504400 [ 75.009726][ T5211] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 75.011095][ T5211] Call trace: [ 75.011653][ T5211] btrfs_add_link+0x6e8/0xa68 [ 75.012318][ T5211] btrfs_create+0x45c/0x508 [ 75.013080][ T5211] path_openat+0x1144/0x26e4 [ 75.013786][ T5211] do_filp_open+0x164/0x330 [ 75.014503][ T5211] do_sys_openat2+0x128/0x3d8 [ 75.015200][ T5211] __arm64_sys_openat+0x120/0x154 [ 75.015958][ T5211] invoke_syscall+0x98/0x2b8 [ 75.016652][ T5211] el0_svc_common+0x138/0x258 [ 75.017389][ T5211] do_el0_svc+0x58/0x14c [ 75.018028][ T5211] el0_svc+0x78/0x1e0 [ 75.018630][ T5211] el0t_64_sync_handler+0xcc/0xe4 [ 75.019336][ T5211] el0t_64_sync+0x1a0/0x1a4 [ 75.020032][ T5211] irq event stamp: 81082 [ 75.020696][ T5211] hardirqs last enabled at (81081): [] __up_console_sem+0xb4/0x100 [ 75.022313][ T5211] hardirqs last disabled at (81082): [] el1_dbg+0x24/0x80 [ 75.023732][ T5211] softirqs last enabled at (81062): [] handle_softirqs+0xa4c/0xbf0 [ 75.025324][ T5211] softirqs last disabled at (80951): [] __irq_exit_rcu+0x240/0x440 [ 75.026929][ T5211] ---[ end trace 03819c0c8a49c9f3 ]--- [ 75.029754][ T5211] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 75.219803][ T5233] loop0: detected capacity change from 0 to 32768 [ 75.253849][ T5233] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.28 (5233) [ 75.283860][ T5233] FAULT_INJECTION: forcing a failure. [ 75.283860][ T5233] name failslab, interval 1, probability 0, space 0, times 0 [ 75.286025][ T5233] CPU: 0 PID: 5233 Comm: syz.0.28 Tainted: G W syzkaller #0 [ 75.287341][ T5233] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 75.288886][ T5233] Call trace: [ 75.289431][ T5233] dump_backtrace+0x0/0x43c [ 75.290168][ T5233] show_stack+0x2c/0x3c [ 75.290824][ T5233] __dump_stack+0x30/0x40 [ 75.291524][ T5233] dump_stack_lvl+0xf8/0x160 [ 75.292302][ T5233] dump_stack+0x1c/0x5c [ 75.292939][ T5233] should_fail+0x3c0/0x51c [ 75.293638][ T5233] __should_failslab+0xbc/0x10c [ 75.294387][ T5233] should_failslab+0x10/0x28 [ 75.295140][ T5233] slab_pre_alloc_hook+0x64/0xec [ 75.295876][ T5233] kmem_cache_alloc+0x94/0x3e4 [ 75.296579][ T5233] btrfs_alloc_path+0x5c/0x68 [ 75.297234][ T5233] btrfs_insert_dir_item+0x16c/0x3b8 [ 75.298072][ T5233] btrfs_add_link+0x294/0xa68 [ 75.298810][ T5233] btrfs_create+0x45c/0x508 [ 75.299495][ T5233] path_openat+0x1144/0x26e4 [ 75.300160][ T5233] do_filp_open+0x164/0x330 [ 75.300853][ T5233] do_sys_openat2+0x128/0x3d8 [ 75.301633][ T5233] __arm64_sys_openat+0x120/0x154 [ 75.302403][ T5233] invoke_syscall+0x98/0x2b8 [ 75.303157][ T5233] el0_svc_common+0x138/0x258 [ 75.303937][ T5233] do_el0_svc+0x58/0x14c [ 75.304598][ T5233] el0_svc+0x78/0x1e0 [ 75.305243][ T5233] el0t_64_sync_handler+0xcc/0xe4 [ 75.306076][ T5233] el0t_64_sync+0x1a0/0x1a4 [ 75.308546][ T5233] ------------[ cut here ]------------ [ 75.309568][ T5233] WARNING: CPU: 0 PID: 5233 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 75.311008][ T5233] Modules linked in: [ 75.311651][ T5233] CPU: 0 PID: 5233 Comm: syz.0.28 Tainted: G W syzkaller #0 [ 75.312993][ T5233] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 75.314658][ T5233] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 75.315954][ T5233] pc : btrfs_add_link+0x6e8/0xa68 [ 75.316765][ T5233] lr : btrfs_add_link+0x6e8/0xa68 [ 75.317561][ T5233] sp : ffff800020c27580 [ 75.318270][ T5233] x29: ffff800020c27680 x28: ffff0000dec20790 x27: 0000000000000108 [ 75.319596][ T5233] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 75.320867][ T5233] x23: 0000000000000014 x22: 1fffe0001bd840fd x21: ffff700004184eb8 [ 75.322156][ T5233] x20: 00000000fffffff4 x19: ffff0000dec207e8 x18: 0000000000000001 [ 75.323501][ T5233] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 75.324890][ T5233] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 75.326302][ T5233] x11: 0000000000000000 x10: 0000000000000000 x9 : 8d453ea6bc092900 [ 75.327748][ T5233] x8 : 8d453ea6bc092900 x7 : 0000000000000001 x6 : 0000000000000001 [ 75.329115][ T5233] x5 : ffff800020c26e78 x4 : ffff80001425f420 x3 : ffff800008504400 [ 75.330501][ T5233] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 75.331762][ T5233] Call trace: [ 75.332353][ T5233] btrfs_add_link+0x6e8/0xa68 [ 75.333101][ T5233] btrfs_create+0x45c/0x508 [ 75.333810][ T5233] path_openat+0x1144/0x26e4 [ 75.334504][ T5233] do_filp_open+0x164/0x330 [ 75.335205][ T5233] do_sys_openat2+0x128/0x3d8 [ 75.335916][ T5233] __arm64_sys_openat+0x120/0x154 [ 75.336662][ T5233] invoke_syscall+0x98/0x2b8 [ 75.337312][ T5233] el0_svc_common+0x138/0x258 [ 75.338021][ T5233] do_el0_svc+0x58/0x14c [ 75.338624][ T5233] el0_svc+0x78/0x1e0 [ 75.339150][ T5233] el0t_64_sync_handler+0xcc/0xe4 [ 75.339919][ T5233] el0t_64_sync+0x1a0/0x1a4 [ 75.340584][ T5233] irq event stamp: 81770 [ 75.341173][ T5233] hardirqs last enabled at (81769): [] __up_console_sem+0xb4/0x100 [ 75.342499][ T5233] hardirqs last disabled at (81770): [] el1_dbg+0x24/0x80 [ 75.343725][ T5233] softirqs last enabled at (81750): [] handle_softirqs+0xa4c/0xbf0 [ 75.345184][ T5233] softirqs last disabled at (81619): [] __irq_exit_rcu+0x240/0x440 [ 75.346737][ T5233] ---[ end trace 03819c0c8a49c9f4 ]--- [ 75.347818][ T5233] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 75.489274][ T5255] loop0: detected capacity change from 0 to 32768 [ 75.524056][ T5255] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.29 (5255) [ 75.541463][ T5255] FAULT_INJECTION: forcing a failure. [ 75.541463][ T5255] name failslab, interval 1, probability 0, space 0, times 0 [ 75.543514][ T5255] CPU: 1 PID: 5255 Comm: syz.0.29 Tainted: G W syzkaller #0 [ 75.544922][ T5255] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 75.546383][ T5255] Call trace: [ 75.546868][ T5255] dump_backtrace+0x0/0x43c [ 75.547498][ T5255] show_stack+0x2c/0x3c [ 75.548185][ T5255] __dump_stack+0x30/0x40 [ 75.548903][ T5255] dump_stack_lvl+0xf8/0x160 [ 75.549670][ T5255] dump_stack+0x1c/0x5c [ 75.550374][ T5255] should_fail+0x3c0/0x51c [ 75.551116][ T5255] __should_failslab+0xbc/0x10c [ 75.551958][ T5255] should_failslab+0x10/0x28 [ 75.552686][ T5255] slab_pre_alloc_hook+0x64/0xec [ 75.553472][ T5255] kmem_cache_alloc+0x94/0x3e4 [ 75.554197][ T5255] btrfs_alloc_path+0x5c/0x68 [ 75.554948][ T5255] btrfs_insert_dir_item+0x16c/0x3b8 [ 75.555780][ T5255] btrfs_add_link+0x294/0xa68 [ 75.556496][ T5255] btrfs_create+0x45c/0x508 [ 75.557190][ T5255] path_openat+0x1144/0x26e4 [ 75.557876][ T5255] do_filp_open+0x164/0x330 [ 75.558584][ T5255] do_sys_openat2+0x128/0x3d8 [ 75.559266][ T5255] __arm64_sys_openat+0x120/0x154 [ 75.560101][ T5255] invoke_syscall+0x98/0x2b8 [ 75.560826][ T5255] el0_svc_common+0x138/0x258 [ 75.561555][ T5255] do_el0_svc+0x58/0x14c [ 75.562175][ T5255] el0_svc+0x78/0x1e0 [ 75.562796][ T5255] el0t_64_sync_handler+0xcc/0xe4 [ 75.563551][ T5255] el0t_64_sync+0x1a0/0x1a4 [ 75.566185][ T5255] ------------[ cut here ]------------ [ 75.568270][ T5255] WARNING: CPU: 1 PID: 5255 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 75.569713][ T5255] Modules linked in: [ 75.570351][ T5255] CPU: 1 PID: 5255 Comm: syz.0.29 Tainted: G W syzkaller #0 [ 75.571719][ T5255] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 75.573154][ T5255] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 75.574435][ T5255] pc : btrfs_add_link+0x6e8/0xa68 [ 75.575255][ T5255] lr : btrfs_add_link+0x6e8/0xa68 [ 75.576113][ T5255] sp : ffff800021207580 [ 75.576796][ T5255] x29: ffff800021207680 x28: ffff0000dec278f0 x27: 0000000000000108 [ 75.578078][ T5255] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 75.579307][ T5255] x23: 0000000000000014 x22: 1fffe0001bd84f29 x21: ffff700004240eb8 [ 75.580538][ T5255] x20: 00000000fffffff4 x19: ffff0000dec27948 x18: 0000000000000001 [ 75.581739][ T5255] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 75.583033][ T5255] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 75.584243][ T5255] x11: 0000000000000000 x10: 0000000000000000 x9 : 8c25813a9311a500 [ 75.585459][ T5255] x8 : 8c25813a9311a500 x7 : 0000000000000001 x6 : 0000000000000001 [ 75.586806][ T5255] x5 : ffff800021206e78 x4 : ffff80001425f420 x3 : ffff800008504400 [ 75.588180][ T5255] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 75.589492][ T5255] Call trace: [ 75.589949][ T5255] btrfs_add_link+0x6e8/0xa68 [ 75.590710][ T5255] btrfs_create+0x45c/0x508 [ 75.591476][ T5255] path_openat+0x1144/0x26e4 [ 75.592226][ T5255] do_filp_open+0x164/0x330 [ 75.592970][ T5255] do_sys_openat2+0x128/0x3d8 [ 75.593732][ T5255] __arm64_sys_openat+0x120/0x154 [ 75.594540][ T5255] invoke_syscall+0x98/0x2b8 [ 75.595244][ T5255] el0_svc_common+0x138/0x258 [ 75.595979][ T5255] do_el0_svc+0x58/0x14c [ 75.596646][ T5255] el0_svc+0x78/0x1e0 [ 75.597311][ T5255] el0t_64_sync_handler+0xcc/0xe4 [ 75.598159][ T5255] el0t_64_sync+0x1a0/0x1a4 [ 75.598887][ T5255] irq event stamp: 82306 [ 75.599582][ T5255] hardirqs last enabled at (82305): [] __up_console_sem+0xb4/0x100 [ 75.601086][ T5255] hardirqs last disabled at (82306): [] el1_dbg+0x24/0x80 [ 75.602561][ T5255] softirqs last enabled at (82282): [] handle_softirqs+0xa4c/0xbf0 [ 75.604176][ T5255] softirqs last disabled at (82271): [] __irq_exit_rcu+0x240/0x440 [ 75.605622][ T5255] ---[ end trace 03819c0c8a49c9f5 ]--- [ 75.608841][ T5255] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 75.748148][ T5277] loop0: detected capacity change from 0 to 32768 [ 75.756357][ T5277] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.30 (5277) [ 75.771592][ T5277] FAULT_INJECTION: forcing a failure. [ 75.771592][ T5277] name failslab, interval 1, probability 0, space 0, times 0 [ 75.773710][ T5277] CPU: 1 PID: 5277 Comm: syz.0.30 Tainted: G W syzkaller #0 [ 75.775106][ T5277] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 75.776762][ T5277] Call trace: [ 75.777290][ T5277] dump_backtrace+0x0/0x43c [ 75.777990][ T5277] show_stack+0x2c/0x3c [ 75.778671][ T5277] __dump_stack+0x30/0x40 [ 75.779378][ T5277] dump_stack_lvl+0xf8/0x160 [ 75.780120][ T5277] dump_stack+0x1c/0x5c [ 75.780757][ T5277] should_fail+0x3c0/0x51c [ 75.781485][ T5277] __should_failslab+0xbc/0x10c [ 75.782346][ T5277] should_failslab+0x10/0x28 [ 75.783104][ T5277] slab_pre_alloc_hook+0x64/0xec [ 75.783868][ T5277] kmem_cache_alloc+0x94/0x3e4 [ 75.784641][ T5277] btrfs_get_or_create_delayed_node+0x128/0x4c8 [ 75.785624][ T5277] btrfs_delayed_update_inode+0x3c/0x1b7c [ 75.786569][ T5277] btrfs_update_inode+0x210/0x3d4 [ 75.787412][ T5277] btrfs_create+0x360/0x508 [ 75.788192][ T5277] path_openat+0x1144/0x26e4 [ 75.788986][ T5277] do_filp_open+0x164/0x330 [ 75.789669][ T5277] do_sys_openat2+0x128/0x3d8 [ 75.790455][ T5277] __arm64_sys_openat+0x120/0x154 [ 75.791245][ T5277] invoke_syscall+0x98/0x2b8 [ 75.792037][ T5277] el0_svc_common+0x138/0x258 [ 75.792781][ T5277] do_el0_svc+0x58/0x14c [ 75.793519][ T5277] el0_svc+0x78/0x1e0 [ 75.794204][ T5277] el0t_64_sync_handler+0xcc/0xe4 [ 75.795039][ T5277] el0t_64_sync+0x1a0/0x1a4 [ 75.847939][ T4904] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 12 /dev/loop0 scanned by udevd (4904) [ 75.953541][ T5298] loop0: detected capacity change from 0 to 32768 [ 76.037488][ T5298] FAULT_INJECTION: forcing a failure. [ 76.037488][ T5298] name failslab, interval 1, probability 0, space 0, times 0 [ 76.039657][ T5298] CPU: 1 PID: 5298 Comm: syz.0.31 Tainted: G W syzkaller #0 [ 76.041005][ T5298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 76.042729][ T5298] Call trace: [ 76.043301][ T5298] dump_backtrace+0x0/0x43c [ 76.044038][ T5298] show_stack+0x2c/0x3c [ 76.044699][ T5298] __dump_stack+0x30/0x40 [ 76.045458][ T5298] dump_stack_lvl+0xf8/0x160 [ 76.046190][ T5298] dump_stack+0x1c/0x5c [ 76.046840][ T5298] should_fail+0x3c0/0x51c [ 76.047529][ T5298] __should_failslab+0xbc/0x10c [ 76.048302][ T5298] should_failslab+0x10/0x28 [ 76.049089][ T5298] slab_pre_alloc_hook+0x64/0xec [ 76.049892][ T5298] kmem_cache_alloc+0x94/0x3e4 [ 76.050651][ T5298] btrfs_alloc_path+0x5c/0x68 [ 76.051453][ T5298] btrfs_insert_dir_item+0x16c/0x3b8 [ 76.052330][ T5298] btrfs_add_link+0x294/0xa68 [ 76.053055][ T5298] btrfs_create+0x45c/0x508 [ 76.053803][ T5298] path_openat+0x1144/0x26e4 [ 76.054512][ T5298] do_filp_open+0x164/0x330 [ 76.055174][ T5298] do_sys_openat2+0x128/0x3d8 [ 76.055835][ T5298] __arm64_sys_openat+0x120/0x154 [ 76.056687][ T5298] invoke_syscall+0x98/0x2b8 [ 76.057426][ T5298] el0_svc_common+0x138/0x258 [ 76.058187][ T5298] do_el0_svc+0x58/0x14c [ 76.058903][ T5298] el0_svc+0x78/0x1e0 [ 76.059498][ T5298] el0t_64_sync_handler+0xcc/0xe4 [ 76.060301][ T5298] el0t_64_sync+0x1a0/0x1a4 [ 76.062500][ T5298] ------------[ cut here ]------------ [ 76.063487][ T5298] WARNING: CPU: 1 PID: 5298 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 76.064867][ T5298] Modules linked in: [ 76.065446][ T5298] CPU: 1 PID: 5298 Comm: syz.0.31 Tainted: G W syzkaller #0 [ 76.066673][ T5298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 76.068106][ T5298] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 76.069214][ T5298] pc : btrfs_add_link+0x6e8/0xa68 [ 76.069935][ T5298] lr : btrfs_add_link+0x6e8/0xa68 [ 76.070640][ T5298] sp : ffff800021317580 [ 76.071222][ T5298] x29: ffff800021317680 x28: ffff0000dee81000 x27: 0000000000000108 [ 76.072355][ T5298] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 76.073549][ T5298] x23: 0000000000000014 x22: 1fffe0001bdd020b x21: ffff700004262eb8 [ 76.074837][ T5298] x20: 00000000fffffff4 x19: ffff0000dee81058 x18: 0000000000000001 [ 76.076159][ T5298] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 76.077427][ T5298] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 76.078639][ T5298] x11: 0000000000000000 x10: 0000000000000000 x9 : 8833f373b68ba400 [ 76.079895][ T5298] x8 : 8833f373b68ba400 x7 : 0000000000000001 x6 : 0000000000000001 [ 76.081196][ T5298] x5 : ffff800021316e78 x4 : ffff80001425f420 x3 : ffff800008504400 [ 76.082546][ T5298] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 76.083788][ T5298] Call trace: [ 76.084281][ T5298] btrfs_add_link+0x6e8/0xa68 [ 76.085048][ T5298] btrfs_create+0x45c/0x508 [ 76.085749][ T5298] path_openat+0x1144/0x26e4 [ 76.086429][ T5298] do_filp_open+0x164/0x330 [ 76.087163][ T5298] do_sys_openat2+0x128/0x3d8 [ 76.087905][ T5298] __arm64_sys_openat+0x120/0x154 [ 76.088689][ T5298] invoke_syscall+0x98/0x2b8 [ 76.089430][ T5298] el0_svc_common+0x138/0x258 [ 76.090130][ T5298] do_el0_svc+0x58/0x14c [ 76.090749][ T5298] el0_svc+0x78/0x1e0 [ 76.091330][ T5298] el0t_64_sync_handler+0xcc/0xe4 [ 76.092064][ T5298] el0t_64_sync+0x1a0/0x1a4 [ 76.092687][ T5298] irq event stamp: 80942 [ 76.093272][ T5298] hardirqs last enabled at (80941): [] __up_console_sem+0xb4/0x100 [ 76.094740][ T5298] hardirqs last disabled at (80942): [] el1_dbg+0x24/0x80 [ 76.096056][ T5298] softirqs last enabled at (80932): [] handle_softirqs+0xa4c/0xbf0 [ 76.097485][ T5298] softirqs last disabled at (80921): [] __irq_exit_rcu+0x240/0x440 [ 76.098877][ T5298] ---[ end trace 03819c0c8a49c9f6 ]--- [ 76.101589][ T5298] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 76.247427][ T5321] loop0: detected capacity change from 0 to 32768 [ 76.293741][ T5321] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.32 (5321) [ 76.361517][ T5321] FAULT_INJECTION: forcing a failure. [ 76.361517][ T5321] name failslab, interval 1, probability 0, space 0, times 0 [ 76.363834][ T5321] CPU: 0 PID: 5321 Comm: syz.0.32 Tainted: G W syzkaller #0 [ 76.365138][ T5321] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 76.366535][ T5321] Call trace: [ 76.366993][ T5321] dump_backtrace+0x0/0x43c [ 76.367671][ T5321] show_stack+0x2c/0x3c [ 76.368275][ T5321] __dump_stack+0x30/0x40 [ 76.368942][ T5321] dump_stack_lvl+0xf8/0x160 [ 76.369611][ T5321] dump_stack+0x1c/0x5c [ 76.370197][ T5321] should_fail+0x3c0/0x51c [ 76.370817][ T5321] __should_failslab+0xbc/0x10c [ 76.371533][ T5321] should_failslab+0x10/0x28 [ 76.372193][ T5321] slab_pre_alloc_hook+0x64/0xec [ 76.372942][ T5321] kmem_cache_alloc+0x94/0x3e4 [ 76.373624][ T5321] btrfs_alloc_path+0x5c/0x68 [ 76.374291][ T5321] btrfs_insert_dir_item+0x16c/0x3b8 [ 76.375113][ T5321] btrfs_add_link+0x294/0xa68 [ 76.375866][ T5321] btrfs_create+0x45c/0x508 [ 76.376655][ T5321] path_openat+0x1144/0x26e4 [ 76.377276][ T5321] do_filp_open+0x164/0x330 [ 76.377990][ T5321] do_sys_openat2+0x128/0x3d8 [ 76.378713][ T5321] __arm64_sys_openat+0x120/0x154 [ 76.379595][ T5321] invoke_syscall+0x98/0x2b8 [ 76.380365][ T5321] el0_svc_common+0x138/0x258 [ 76.381084][ T5321] do_el0_svc+0x58/0x14c [ 76.381733][ T5321] el0_svc+0x78/0x1e0 [ 76.382359][ T5321] el0t_64_sync_handler+0xcc/0xe4 [ 76.383098][ T5321] el0t_64_sync+0x1a0/0x1a4 [ 76.384813][ T5321] ------------[ cut here ]------------ [ 76.385797][ T5321] WARNING: CPU: 0 PID: 5321 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 76.387172][ T5321] Modules linked in: [ 76.387812][ T5321] CPU: 0 PID: 5321 Comm: syz.0.32 Tainted: G W syzkaller #0 [ 76.389267][ T5321] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 76.390854][ T5321] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 76.392115][ T5321] pc : btrfs_add_link+0x6e8/0xa68 [ 76.392934][ T5321] lr : btrfs_add_link+0x6e8/0xa68 [ 76.393748][ T5321] sp : ffff800021317580 [ 76.394410][ T5321] x29: ffff800021317680 x28: ffff0000dec20a50 x27: 0000000000000108 [ 76.395650][ T5321] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 76.396944][ T5321] x23: 0000000000000014 x22: 1fffe0001bd84155 x21: ffff700004262eb8 [ 76.398162][ T5321] x20: 00000000fffffff4 x19: ffff0000dec20aa8 x18: 0000000000000001 [ 76.399372][ T5321] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 76.400734][ T5321] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 76.402004][ T5321] x11: 0000000000000000 x10: 0000000000000000 x9 : 673955c76e121f00 [ 76.403319][ T5321] x8 : 673955c76e121f00 x7 : 0000000000000001 x6 : 0000000000000001 [ 76.404541][ T5321] x5 : ffff800021316e78 x4 : ffff80001425f420 x3 : ffff800008504400 [ 76.405861][ T5321] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 76.407192][ T5321] Call trace: [ 76.407696][ T5321] btrfs_add_link+0x6e8/0xa68 [ 76.408404][ T5321] btrfs_create+0x45c/0x508 [ 76.409100][ T5321] path_openat+0x1144/0x26e4 [ 76.409923][ T5321] do_filp_open+0x164/0x330 [ 76.410632][ T5321] do_sys_openat2+0x128/0x3d8 [ 76.411358][ T5321] __arm64_sys_openat+0x120/0x154 [ 76.412210][ T5321] invoke_syscall+0x98/0x2b8 [ 76.412968][ T5321] el0_svc_common+0x138/0x258 [ 76.413743][ T5321] do_el0_svc+0x58/0x14c [ 76.414451][ T5321] el0_svc+0x78/0x1e0 [ 76.415114][ T5321] el0t_64_sync_handler+0xcc/0xe4 [ 76.415939][ T5321] el0t_64_sync+0x1a0/0x1a4 [ 76.416690][ T5321] irq event stamp: 82684 [ 76.417397][ T5321] hardirqs last enabled at (82683): [] __up_console_sem+0xb4/0x100 [ 76.418970][ T5321] hardirqs last disabled at (82684): [] el1_dbg+0x24/0x80 [ 76.420427][ T5321] softirqs last enabled at (82664): [] handle_softirqs+0xa4c/0xbf0 [ 76.422048][ T5321] softirqs last disabled at (82553): [] __irq_exit_rcu+0x240/0x440 [ 76.423608][ T5321] ---[ end trace 03819c0c8a49c9f7 ]--- [ 76.426913][ T5321] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 76.428433][ T5321] btrfs_printk: 165 callbacks suppressed [ 76.428439][ T5321] BTRFS info (device loop0): forced readonly 1970/01/01 00:01:16 executed programs: 20 [ 76.560142][ T5343] loop0: detected capacity change from 0 to 32768 [ 76.667943][ T5343] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.33 (5343) [ 76.672427][ T5343] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 76.673971][ T5343] BTRFS info (device loop0): setting nodatacow, compression disabled [ 76.675213][ T5343] BTRFS info (device loop0): setting datacow [ 76.676142][ T5343] BTRFS info (device loop0): doing ref verification [ 76.677201][ T5343] BTRFS info (device loop0): force clearing of disk cache [ 76.678384][ T5343] BTRFS info (device loop0): turning off barriers [ 76.679368][ T5343] BTRFS info (device loop0): use zlib compression, level 3 [ 76.680552][ T5343] BTRFS info (device loop0): using free space tree [ 76.681604][ T5343] BTRFS info (device loop0): has skinny extents [ 76.691412][ T5343] BTRFS info (device loop0): clearing free space tree [ 76.692683][ T5343] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 76.694211][ T5343] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 76.697588][ T5343] BTRFS info (device loop0): creating free space tree [ 76.698860][ T5343] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 76.700457][ T5343] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 76.705665][ T5343] FAULT_INJECTION: forcing a failure. [ 76.705665][ T5343] name failslab, interval 1, probability 0, space 0, times 0 [ 76.707740][ T5343] CPU: 1 PID: 5343 Comm: syz.0.33 Tainted: G W syzkaller #0 [ 76.709155][ T5343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 76.710779][ T5343] Call trace: [ 76.711329][ T5343] dump_backtrace+0x0/0x43c [ 76.712122][ T5343] show_stack+0x2c/0x3c [ 76.712841][ T5343] __dump_stack+0x30/0x40 [ 76.713534][ T5343] dump_stack_lvl+0xf8/0x160 [ 76.714264][ T5343] dump_stack+0x1c/0x5c [ 76.714937][ T5343] should_fail+0x3c0/0x51c [ 76.715668][ T5343] __should_failslab+0xbc/0x10c [ 76.716442][ T5343] should_failslab+0x10/0x28 [ 76.717203][ T5343] slab_pre_alloc_hook+0x64/0xec [ 76.718021][ T5343] kmem_cache_alloc+0x94/0x3e4 [ 76.718762][ T5343] btrfs_alloc_path+0x5c/0x68 [ 76.719517][ T5343] btrfs_insert_dir_item+0x16c/0x3b8 [ 76.720384][ T5343] btrfs_add_link+0x294/0xa68 [ 76.721081][ T5343] btrfs_create+0x45c/0x508 [ 76.721761][ T5343] path_openat+0x1144/0x26e4 [ 76.722472][ T5343] do_filp_open+0x164/0x330 [ 76.723209][ T5343] do_sys_openat2+0x128/0x3d8 [ 76.724000][ T5343] __arm64_sys_openat+0x120/0x154 [ 76.724793][ T5343] invoke_syscall+0x98/0x2b8 [ 76.725548][ T5343] el0_svc_common+0x138/0x258 [ 76.726313][ T5343] do_el0_svc+0x58/0x14c [ 76.727000][ T5343] el0_svc+0x78/0x1e0 [ 76.727585][ T5343] el0t_64_sync_handler+0xcc/0xe4 [ 76.728366][ T5343] el0t_64_sync+0x1a0/0x1a4 [ 76.730227][ T5343] ------------[ cut here ]------------ [ 76.731250][ T5343] WARNING: CPU: 1 PID: 5343 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 76.732635][ T5343] Modules linked in: [ 76.733264][ T5343] CPU: 1 PID: 5343 Comm: syz.0.33 Tainted: G W syzkaller #0 [ 76.734699][ T5343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 76.736394][ T5343] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 76.737681][ T5343] pc : btrfs_add_link+0x6e8/0xa68 [ 76.738492][ T5343] lr : btrfs_add_link+0x6e8/0xa68 [ 76.739292][ T5343] sp : ffff800021567580 [ 76.739914][ T5343] x29: ffff800021567680 x28: ffff0000dee81840 x27: 0000000000000108 [ 76.741145][ T5343] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 76.742426][ T5343] x23: 0000000000000014 x22: 1fffe0001bdd0313 x21: ffff7000042aceb8 [ 76.743635][ T5343] x20: 00000000fffffff4 x19: ffff0000dee81898 x18: 0000000000000001 [ 76.744884][ T5343] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 76.746149][ T5343] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 76.747459][ T5343] x11: 0000000000000000 x10: 0000000000000000 x9 : 63af9988a7d7fa00 [ 76.748818][ T5343] x8 : 63af9988a7d7fa00 x7 : 0000000000000001 x6 : 0000000000000001 [ 76.750155][ T5343] x5 : ffff800021566e78 x4 : ffff80001425f420 x3 : ffff800008504400 [ 76.751458][ T5343] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 76.752779][ T5343] Call trace: [ 76.753306][ T5343] btrfs_add_link+0x6e8/0xa68 [ 76.754054][ T5343] btrfs_create+0x45c/0x508 [ 76.754769][ T5343] path_openat+0x1144/0x26e4 [ 76.755458][ T5343] do_filp_open+0x164/0x330 [ 76.756178][ T5343] do_sys_openat2+0x128/0x3d8 [ 76.756943][ T5343] __arm64_sys_openat+0x120/0x154 [ 76.757756][ T5343] invoke_syscall+0x98/0x2b8 [ 76.758522][ T5343] el0_svc_common+0x138/0x258 [ 76.759253][ T5343] do_el0_svc+0x58/0x14c [ 76.759891][ T5343] el0_svc+0x78/0x1e0 [ 76.760496][ T5343] el0t_64_sync_handler+0xcc/0xe4 [ 76.761265][ T5343] el0t_64_sync+0x1a0/0x1a4 [ 76.761906][ T5343] irq event stamp: 82436 [ 76.762586][ T5343] hardirqs last enabled at (82435): [] __up_console_sem+0xb4/0x100 [ 76.764189][ T5343] hardirqs last disabled at (82436): [] el1_dbg+0x24/0x80 [ 76.765626][ T5343] softirqs last enabled at (82416): [] handle_softirqs+0xa4c/0xbf0 [ 76.766968][ T5343] softirqs last disabled at (82243): [] __irq_exit_rcu+0x240/0x440 [ 76.768332][ T5343] ---[ end trace 03819c0c8a49c9f8 ]--- [ 76.769750][ T5343] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 76.771053][ T5343] BTRFS info (device loop0): forced readonly [ 76.956058][ T5365] loop0: detected capacity change from 0 to 32768 [ 77.013618][ T5365] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.34 (5365) [ 77.018490][ T5365] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 77.019776][ T5365] BTRFS info (device loop0): setting nodatacow, compression disabled [ 77.020970][ T5365] BTRFS info (device loop0): setting datacow [ 77.021869][ T5365] BTRFS info (device loop0): doing ref verification [ 77.023105][ T5365] BTRFS info (device loop0): force clearing of disk cache [ 77.024140][ T5365] BTRFS info (device loop0): turning off barriers [ 77.025435][ T5365] BTRFS info (device loop0): use zlib compression, level 3 [ 77.026630][ T5365] BTRFS info (device loop0): using free space tree [ 77.027982][ T5365] BTRFS info (device loop0): has skinny extents [ 77.036267][ T5365] BTRFS info (device loop0): clearing free space tree [ 77.037456][ T5365] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 77.038949][ T5365] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 77.042218][ T5365] BTRFS info (device loop0): creating free space tree [ 77.044152][ T5365] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 77.045655][ T5365] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 77.049985][ T5365] FAULT_INJECTION: forcing a failure. [ 77.049985][ T5365] name failslab, interval 1, probability 0, space 0, times 0 [ 77.051990][ T5365] CPU: 1 PID: 5365 Comm: syz.0.34 Tainted: G W syzkaller #0 [ 77.053389][ T5365] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 77.054979][ T5365] Call trace: [ 77.055486][ T5365] dump_backtrace+0x0/0x43c [ 77.056188][ T5365] show_stack+0x2c/0x3c [ 77.056798][ T5365] __dump_stack+0x30/0x40 [ 77.057404][ T5365] dump_stack_lvl+0xf8/0x160 [ 77.058044][ T5365] dump_stack+0x1c/0x5c [ 77.058736][ T5365] should_fail+0x3c0/0x51c [ 77.059449][ T5365] __should_failslab+0xbc/0x10c [ 77.060208][ T5365] should_failslab+0x10/0x28 [ 77.060908][ T5365] slab_pre_alloc_hook+0x64/0xec [ 77.061720][ T5365] kmem_cache_alloc+0x94/0x3e4 [ 77.062517][ T5365] btrfs_alloc_path+0x5c/0x68 [ 77.063327][ T5365] btrfs_insert_dir_item+0x16c/0x3b8 [ 77.064174][ T5365] btrfs_add_link+0x294/0xa68 [ 77.064991][ T5365] btrfs_create+0x45c/0x508 [ 77.065759][ T5365] path_openat+0x1144/0x26e4 [ 77.066505][ T5365] do_filp_open+0x164/0x330 [ 77.067247][ T5365] do_sys_openat2+0x128/0x3d8 [ 77.067981][ T5365] __arm64_sys_openat+0x120/0x154 [ 77.068679][ T5365] invoke_syscall+0x98/0x2b8 [ 77.069375][ T5365] el0_svc_common+0x138/0x258 [ 77.070122][ T5365] do_el0_svc+0x58/0x14c [ 77.070839][ T5365] el0_svc+0x78/0x1e0 [ 77.071545][ T5365] el0t_64_sync_handler+0xcc/0xe4 [ 77.072316][ T5365] el0t_64_sync+0x1a0/0x1a4 [ 77.076200][ T5365] ------------[ cut here ]------------ [ 77.077116][ T5365] WARNING: CPU: 1 PID: 5365 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 77.078555][ T5365] Modules linked in: [ 77.079191][ T5365] CPU: 1 PID: 5365 Comm: syz.0.34 Tainted: G W syzkaller #0 [ 77.080535][ T5365] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 77.082164][ T5365] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 77.083430][ T5365] pc : btrfs_add_link+0x6e8/0xa68 [ 77.084240][ T5365] lr : btrfs_add_link+0x6e8/0xa68 [ 77.085065][ T5365] sp : ffff800021727580 [ 77.085713][ T5365] x29: ffff800021727680 x28: ffff0000dee81580 x27: 0000000000000108 [ 77.087078][ T5365] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 77.088371][ T5365] x23: 0000000000000014 x22: 1fffe0001bdd02bb x21: ffff7000042e4eb8 [ 77.089644][ T5365] x20: 00000000fffffff4 x19: ffff0000dee815d8 x18: 0000000000000001 [ 77.090870][ T5365] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 77.092197][ T5365] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 77.093543][ T5365] x11: 0000000000000000 x10: 0000000000000000 x9 : 488014f1e74e2500 [ 77.094822][ T5365] x8 : 488014f1e74e2500 x7 : 0000000000000001 x6 : 0000000000000001 [ 77.096227][ T5365] x5 : ffff800021726e78 x4 : ffff80001425f420 x3 : ffff800008504400 [ 77.097575][ T5365] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 77.098854][ T5365] Call trace: [ 77.099352][ T5365] btrfs_add_link+0x6e8/0xa68 [ 77.100030][ T5365] btrfs_create+0x45c/0x508 [ 77.100654][ T5365] path_openat+0x1144/0x26e4 [ 77.101322][ T5365] do_filp_open+0x164/0x330 [ 77.101935][ T5365] do_sys_openat2+0x128/0x3d8 [ 77.102615][ T5365] __arm64_sys_openat+0x120/0x154 [ 77.103314][ T5365] invoke_syscall+0x98/0x2b8 [ 77.103951][ T5365] el0_svc_common+0x138/0x258 [ 77.104648][ T5365] do_el0_svc+0x58/0x14c [ 77.105243][ T5365] el0_svc+0x78/0x1e0 [ 77.105788][ T5365] el0t_64_sync_handler+0xcc/0xe4 [ 77.106565][ T5365] el0t_64_sync+0x1a0/0x1a4 [ 77.107282][ T5365] irq event stamp: 81484 [ 77.107918][ T5365] hardirqs last enabled at (81483): [] __up_console_sem+0xb4/0x100 [ 77.109223][ T5365] hardirqs last disabled at (81484): [] el1_dbg+0x24/0x80 [ 77.110461][ T5365] softirqs last enabled at (81464): [] handle_softirqs+0xa4c/0xbf0 [ 77.111974][ T5365] softirqs last disabled at (81167): [] __irq_exit_rcu+0x240/0x440 [ 77.113324][ T5365] ---[ end trace 03819c0c8a49c9f9 ]--- [ 77.116253][ T5365] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 77.117789][ T5365] BTRFS info (device loop0): forced readonly [ 77.259724][ T5387] loop0: detected capacity change from 0 to 32768 [ 77.317468][ T5387] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.35 (5387) [ 77.321932][ T5387] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 77.323557][ T5387] BTRFS info (device loop0): setting nodatacow, compression disabled [ 77.324943][ T5387] BTRFS info (device loop0): setting datacow [ 77.325855][ T5387] BTRFS info (device loop0): doing ref verification [ 77.326884][ T5387] BTRFS info (device loop0): force clearing of disk cache [ 77.328011][ T5387] BTRFS info (device loop0): turning off barriers [ 77.328944][ T5387] BTRFS info (device loop0): use zlib compression, level 3 [ 77.330114][ T5387] BTRFS info (device loop0): using free space tree [ 77.331030][ T5387] BTRFS info (device loop0): has skinny extents [ 77.339788][ T5387] BTRFS info (device loop0): clearing free space tree [ 77.341051][ T5387] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 77.342693][ T5387] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 77.345986][ T5387] BTRFS info (device loop0): creating free space tree [ 77.347415][ T5387] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 77.348918][ T5387] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 77.354629][ T5387] FAULT_INJECTION: forcing a failure. [ 77.354629][ T5387] name failslab, interval 1, probability 0, space 0, times 0 [ 77.356765][ T5387] CPU: 1 PID: 5387 Comm: syz.0.35 Tainted: G W syzkaller #0 [ 77.358083][ T5387] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 77.359683][ T5387] Call trace: [ 77.360265][ T5387] dump_backtrace+0x0/0x43c [ 77.360929][ T5387] show_stack+0x2c/0x3c [ 77.361519][ T5387] __dump_stack+0x30/0x40 [ 77.362175][ T5387] dump_stack_lvl+0xf8/0x160 [ 77.362933][ T5387] dump_stack+0x1c/0x5c [ 77.363591][ T5387] should_fail+0x3c0/0x51c [ 77.364254][ T5387] __should_failslab+0xbc/0x10c [ 77.364979][ T5387] should_failslab+0x10/0x28 [ 77.365693][ T5387] slab_pre_alloc_hook+0x64/0xec [ 77.366489][ T5387] kmem_cache_alloc+0x94/0x3e4 [ 77.367235][ T5387] btrfs_alloc_path+0x5c/0x68 [ 77.367949][ T5387] btrfs_insert_dir_item+0x16c/0x3b8 [ 77.368784][ T5387] btrfs_add_link+0x294/0xa68 [ 77.369470][ T5387] btrfs_create+0x45c/0x508 [ 77.370190][ T5387] path_openat+0x1144/0x26e4 [ 77.370934][ T5387] do_filp_open+0x164/0x330 [ 77.371629][ T5387] do_sys_openat2+0x128/0x3d8 [ 77.372383][ T5387] __arm64_sys_openat+0x120/0x154 [ 77.373072][ T5387] invoke_syscall+0x98/0x2b8 [ 77.373717][ T5387] el0_svc_common+0x138/0x258 [ 77.374348][ T5387] do_el0_svc+0x58/0x14c [ 77.375024][ T5387] el0_svc+0x78/0x1e0 [ 77.375617][ T5387] el0t_64_sync_handler+0xcc/0xe4 [ 77.376431][ T5387] el0t_64_sync+0x1a0/0x1a4 [ 77.378301][ T5387] ------------[ cut here ]------------ [ 77.379323][ T5387] WARNING: CPU: 1 PID: 5387 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 77.380778][ T5387] Modules linked in: [ 77.381394][ T5387] CPU: 1 PID: 5387 Comm: syz.0.35 Tainted: G W syzkaller #0 [ 77.382700][ T5387] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 77.384477][ T5387] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 77.385828][ T5387] pc : btrfs_add_link+0x6e8/0xa68 [ 77.386647][ T5387] lr : btrfs_add_link+0x6e8/0xa68 [ 77.387509][ T5387] sp : ffff800021897580 [ 77.388206][ T5387] x29: ffff800021897680 x28: ffff0000dee812c0 x27: 0000000000000108 [ 77.389531][ T5387] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 77.390713][ T5387] x23: 0000000000000014 x22: 1fffe0001bdd0263 x21: ffff700004312eb8 [ 77.392065][ T5387] x20: 00000000fffffff4 x19: ffff0000dee81318 x18: 0000000000000001 [ 77.393555][ T5387] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 77.394916][ T5387] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 77.396225][ T5387] x11: 0000000000000000 x10: 0000000000000000 x9 : 24a00ff9ae966f00 [ 77.397576][ T5387] x8 : 24a00ff9ae966f00 x7 : 0000000000000001 x6 : 0000000000000001 [ 77.398845][ T5387] x5 : ffff800021896e78 x4 : ffff80001425f420 x3 : ffff800008504400 [ 77.400173][ T5387] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 77.401509][ T5387] Call trace: [ 77.402063][ T5387] btrfs_add_link+0x6e8/0xa68 [ 77.402841][ T5387] btrfs_create+0x45c/0x508 [ 77.403571][ T5387] path_openat+0x1144/0x26e4 [ 77.404359][ T5387] do_filp_open+0x164/0x330 [ 77.405111][ T5387] do_sys_openat2+0x128/0x3d8 [ 77.405873][ T5387] __arm64_sys_openat+0x120/0x154 [ 77.406660][ T5387] invoke_syscall+0x98/0x2b8 [ 77.407472][ T5387] el0_svc_common+0x138/0x258 [ 77.408233][ T5387] do_el0_svc+0x58/0x14c [ 77.408937][ T5387] el0_svc+0x78/0x1e0 [ 77.409603][ T5387] el0t_64_sync_handler+0xcc/0xe4 [ 77.410441][ T5387] el0t_64_sync+0x1a0/0x1a4 [ 77.411152][ T5387] irq event stamp: 83306 [ 77.411823][ T5387] hardirqs last enabled at (83305): [] __up_console_sem+0xb4/0x100 [ 77.413333][ T5387] hardirqs last disabled at (83306): [] el1_dbg+0x24/0x80 [ 77.414856][ T5387] softirqs last enabled at (83282): [] handle_softirqs+0xa4c/0xbf0 [ 77.416461][ T5387] softirqs last disabled at (83181): [] __irq_exit_rcu+0x240/0x440 [ 77.418149][ T5387] ---[ end trace 03819c0c8a49c9fa ]--- [ 77.419488][ T5387] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 77.421003][ T5387] BTRFS info (device loop0): forced readonly [ 77.598606][ T5409] loop0: detected capacity change from 0 to 32768 [ 77.605711][ T5409] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.36 (5409) [ 77.609820][ T5409] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 77.611167][ T5409] BTRFS info (device loop0): setting nodatacow, compression disabled [ 77.612362][ T5409] BTRFS info (device loop0): setting datacow [ 77.613500][ T5409] BTRFS info (device loop0): doing ref verification [ 77.614538][ T5409] BTRFS info (device loop0): force clearing of disk cache [ 77.615620][ T5409] BTRFS info (device loop0): turning off barriers [ 77.616696][ T5409] BTRFS info (device loop0): use zlib compression, level 3 [ 77.617874][ T5409] BTRFS info (device loop0): using free space tree [ 77.618939][ T5409] BTRFS info (device loop0): has skinny extents [ 77.631369][ T5409] BTRFS info (device loop0): clearing free space tree [ 77.632502][ T5409] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 77.634486][ T5409] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 77.637722][ T5409] BTRFS info (device loop0): creating free space tree [ 77.639140][ T5409] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 77.640662][ T5409] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 77.646947][ T5409] FAULT_INJECTION: forcing a failure. [ 77.646947][ T5409] name failslab, interval 1, probability 0, space 0, times 0 [ 77.648994][ T5409] CPU: 1 PID: 5409 Comm: syz.0.36 Tainted: G W syzkaller #0 [ 77.650337][ T5409] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 77.651911][ T5409] Call trace: [ 77.652415][ T5409] dump_backtrace+0x0/0x43c [ 77.653129][ T5409] show_stack+0x2c/0x3c [ 77.653803][ T5409] __dump_stack+0x30/0x40 [ 77.654523][ T5409] dump_stack_lvl+0xf8/0x160 [ 77.655264][ T5409] dump_stack+0x1c/0x5c [ 77.655933][ T5409] should_fail+0x3c0/0x51c [ 77.656649][ T5409] __should_failslab+0xbc/0x10c [ 77.657402][ T5409] should_failslab+0x10/0x28 [ 77.658133][ T5409] slab_pre_alloc_hook+0x64/0xec [ 77.658930][ T5409] kmem_cache_alloc+0x94/0x3e4 [ 77.659740][ T5409] btrfs_alloc_path+0x5c/0x68 [ 77.660454][ T5409] btrfs_insert_dir_item+0x16c/0x3b8 [ 77.661300][ T5409] btrfs_add_link+0x294/0xa68 [ 77.662071][ T5409] btrfs_create+0x45c/0x508 [ 77.662781][ T5409] path_openat+0x1144/0x26e4 [ 77.663432][ T5409] do_filp_open+0x164/0x330 [ 77.664119][ T5409] do_sys_openat2+0x128/0x3d8 [ 77.664761][ T5409] __arm64_sys_openat+0x120/0x154 [ 77.665476][ T5409] invoke_syscall+0x98/0x2b8 [ 77.666262][ T5409] el0_svc_common+0x138/0x258 [ 77.667067][ T5409] do_el0_svc+0x58/0x14c [ 77.667727][ T5409] el0_svc+0x78/0x1e0 [ 77.668313][ T5409] el0t_64_sync_handler+0xcc/0xe4 [ 77.669086][ T5409] el0t_64_sync+0x1a0/0x1a4 [ 77.670226][ T5409] ------------[ cut here ]------------ [ 77.671134][ T5409] WARNING: CPU: 1 PID: 5409 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 77.672346][ T5409] Modules linked in: [ 77.672906][ T5409] CPU: 1 PID: 5409 Comm: syz.0.36 Tainted: G W syzkaller #0 [ 77.674147][ T5409] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 77.675780][ T5409] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 77.677037][ T5409] pc : btrfs_add_link+0x6e8/0xa68 [ 77.677773][ T5409] lr : btrfs_add_link+0x6e8/0xa68 [ 77.678556][ T5409] sp : ffff8000219c7580 [ 77.679160][ T5409] x29: ffff8000219c7680 x28: ffff0000dee81b00 x27: 0000000000000108 [ 77.680371][ T5409] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 77.681544][ T5409] x23: 0000000000000014 x22: 1fffe0001bdd036b x21: ffff700004338eb8 [ 77.682710][ T5409] x20: 00000000fffffff4 x19: ffff0000dee81b58 x18: 0000000000000001 [ 77.683906][ T5409] x17: 0000000000000000 x16: ffff800008302168 x15: 00000000ffffffff [ 77.685180][ T5409] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 77.686485][ T5409] x11: 0000000000000000 x10: 0000000000000000 x9 : 143bf683f06f1500 [ 77.687837][ T5409] x8 : 143bf683f06f1500 x7 : 0000000000000001 x6 : 0000000000000001 [ 77.689153][ T5409] x5 : ffff8000219c6e78 x4 : ffff80001425f420 x3 : ffff800008302278 [ 77.690422][ T5409] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 77.691722][ T5409] Call trace: [ 77.692310][ T5409] btrfs_add_link+0x6e8/0xa68 [ 77.693071][ T5409] btrfs_create+0x45c/0x508 [ 77.693874][ T5409] path_openat+0x1144/0x26e4 [ 77.694628][ T5409] do_filp_open+0x164/0x330 [ 77.695417][ T5409] do_sys_openat2+0x128/0x3d8 [ 77.696212][ T5409] __arm64_sys_openat+0x120/0x154 [ 77.697046][ T5409] invoke_syscall+0x98/0x2b8 [ 77.697776][ T5409] el0_svc_common+0x138/0x258 [ 77.698481][ T5409] do_el0_svc+0x58/0x14c [ 77.699098][ T5409] el0_svc+0x78/0x1e0 [ 77.699669][ T5409] el0t_64_sync_handler+0xcc/0xe4 [ 77.700462][ T5409] el0t_64_sync+0x1a0/0x1a4 [ 77.701145][ T5409] irq event stamp: 82614 [ 77.701789][ T5409] hardirqs last enabled at (82613): [] __up_console_sem+0xb4/0x100 [ 77.703123][ T5409] hardirqs last disabled at (82614): [] el1_dbg+0x24/0x80 [ 77.704424][ T5409] softirqs last enabled at (82594): [] handle_softirqs+0xa4c/0xbf0 [ 77.705849][ T5409] softirqs last disabled at (82579): [] __irq_exit_rcu+0x240/0x440 [ 77.707321][ T5409] ---[ end trace 03819c0c8a49c9fb ]--- [ 77.708426][ T5409] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 77.709803][ T5409] BTRFS info (device loop0): forced readonly [ 77.888426][ T5431] loop0: detected capacity change from 0 to 32768 [ 77.937446][ T5431] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.37 (5431) [ 77.941522][ T5431] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 77.943320][ T5431] BTRFS info (device loop0): setting nodatacow, compression disabled [ 77.944497][ T5431] BTRFS info (device loop0): setting datacow [ 77.945419][ T5431] BTRFS info (device loop0): doing ref verification [ 77.946511][ T5431] BTRFS info (device loop0): force clearing of disk cache [ 77.947746][ T5431] BTRFS info (device loop0): turning off barriers [ 77.948686][ T5431] BTRFS info (device loop0): use zlib compression, level 3 [ 77.950307][ T5431] BTRFS info (device loop0): using free space tree [ 77.951351][ T5431] BTRFS info (device loop0): has skinny extents [ 77.959645][ T5431] BTRFS info (device loop0): clearing free space tree [ 77.960705][ T5431] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 77.962190][ T5431] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 77.966116][ T5431] BTRFS info (device loop0): creating free space tree [ 77.967409][ T5431] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 77.969075][ T5431] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 77.973713][ T5431] FAULT_INJECTION: forcing a failure. [ 77.973713][ T5431] name failslab, interval 1, probability 0, space 0, times 0 [ 77.975571][ T5431] CPU: 1 PID: 5431 Comm: syz.0.37 Tainted: G W syzkaller #0 [ 77.976739][ T5431] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 77.978165][ T5431] Call trace: [ 77.978613][ T5431] dump_backtrace+0x0/0x43c [ 77.979247][ T5431] show_stack+0x2c/0x3c [ 77.979852][ T5431] __dump_stack+0x30/0x40 [ 77.980523][ T5431] dump_stack_lvl+0xf8/0x160 [ 77.981295][ T5431] dump_stack+0x1c/0x5c [ 77.981957][ T5431] should_fail+0x3c0/0x51c [ 77.982679][ T5431] __should_failslab+0xbc/0x10c [ 77.983365][ T5431] should_failslab+0x10/0x28 [ 77.983996][ T5431] slab_pre_alloc_hook+0x64/0xec [ 77.984797][ T5431] kmem_cache_alloc+0x94/0x3e4 [ 77.985583][ T5431] btrfs_get_or_create_delayed_node+0x128/0x4c8 [ 77.986660][ T5431] btrfs_delayed_update_inode+0x3c/0x1b7c [ 77.987583][ T5431] btrfs_update_inode+0x210/0x3d4 [ 77.988315][ T5431] btrfs_create+0x360/0x508 [ 77.988959][ T5431] path_openat+0x1144/0x26e4 [ 77.989730][ T5431] do_filp_open+0x164/0x330 [ 77.990418][ T5431] do_sys_openat2+0x128/0x3d8 [ 77.991168][ T5431] __arm64_sys_openat+0x120/0x154 [ 77.991957][ T5431] invoke_syscall+0x98/0x2b8 [ 77.992676][ T5431] el0_svc_common+0x138/0x258 [ 77.993421][ T5431] do_el0_svc+0x58/0x14c [ 77.994083][ T5431] el0_svc+0x78/0x1e0 [ 77.994729][ T5431] el0t_64_sync_handler+0xcc/0xe4 [ 77.995535][ T5431] el0t_64_sync+0x1a0/0x1a4 [ 78.145553][ T5453] loop0: detected capacity change from 0 to 32768 [ 78.187335][ T5453] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.38 (5453) [ 78.192021][ T5453] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 78.193921][ T5453] BTRFS info (device loop0): setting nodatacow, compression disabled [ 78.195283][ T5453] BTRFS info (device loop0): setting datacow [ 78.196178][ T5453] BTRFS info (device loop0): doing ref verification [ 78.197183][ T5453] BTRFS info (device loop0): force clearing of disk cache [ 78.198198][ T5453] BTRFS info (device loop0): turning off barriers [ 78.199251][ T5453] BTRFS info (device loop0): use zlib compression, level 3 [ 78.200577][ T5453] BTRFS info (device loop0): using free space tree [ 78.201660][ T5453] BTRFS info (device loop0): has skinny extents [ 78.209903][ T5453] BTRFS info (device loop0): clearing free space tree [ 78.211072][ T5453] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 78.212492][ T5453] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 78.215861][ T5453] BTRFS info (device loop0): creating free space tree [ 78.217189][ T5453] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 78.218649][ T5453] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 78.223951][ T5453] FAULT_INJECTION: forcing a failure. [ 78.223951][ T5453] name failslab, interval 1, probability 0, space 0, times 0 [ 78.225934][ T5453] CPU: 0 PID: 5453 Comm: syz.0.38 Tainted: G W syzkaller #0 [ 78.227151][ T5453] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 78.228673][ T5453] Call trace: [ 78.229173][ T5453] dump_backtrace+0x0/0x43c [ 78.229873][ T5453] show_stack+0x2c/0x3c [ 78.230505][ T5453] __dump_stack+0x30/0x40 [ 78.231158][ T5453] dump_stack_lvl+0xf8/0x160 [ 78.231795][ T5453] dump_stack+0x1c/0x5c [ 78.232393][ T5453] should_fail+0x3c0/0x51c [ 78.233073][ T5453] __should_failslab+0xbc/0x10c [ 78.233779][ T5453] should_failslab+0x10/0x28 [ 78.234443][ T5453] slab_pre_alloc_hook+0x64/0xec [ 78.235159][ T5453] kmem_cache_alloc+0x94/0x3e4 [ 78.235844][ T5453] btrfs_alloc_path+0x5c/0x68 [ 78.236568][ T5453] btrfs_insert_dir_item+0x16c/0x3b8 [ 78.237477][ T5453] btrfs_add_link+0x294/0xa68 [ 78.238258][ T5453] btrfs_create+0x45c/0x508 [ 78.239007][ T5453] path_openat+0x1144/0x26e4 [ 78.239740][ T5453] do_filp_open+0x164/0x330 [ 78.240499][ T5453] do_sys_openat2+0x128/0x3d8 [ 78.241300][ T5453] __arm64_sys_openat+0x120/0x154 [ 78.242121][ T5453] invoke_syscall+0x98/0x2b8 [ 78.242896][ T5453] el0_svc_common+0x138/0x258 [ 78.243633][ T5453] do_el0_svc+0x58/0x14c [ 78.244348][ T5453] el0_svc+0x78/0x1e0 [ 78.245043][ T5453] el0t_64_sync_handler+0xcc/0xe4 [ 78.245870][ T5453] el0t_64_sync+0x1a0/0x1a4 [ 78.248746][ T5453] ------------[ cut here ]------------ [ 78.249774][ T5453] WARNING: CPU: 0 PID: 5453 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 78.251312][ T5453] Modules linked in: [ 78.251895][ T5453] CPU: 0 PID: 5453 Comm: syz.0.38 Tainted: G W syzkaller #0 [ 78.253259][ T5453] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 78.254878][ T5453] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 78.256118][ T5453] pc : btrfs_add_link+0x6e8/0xa68 [ 78.256920][ T5453] lr : btrfs_add_link+0x6e8/0xa68 [ 78.257718][ T5453] sp : ffff800021bd7580 [ 78.258421][ T5453] x29: ffff800021bd7680 x28: ffff0000dec20210 x27: 0000000000000108 [ 78.259790][ T5453] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 78.261118][ T5453] x23: 0000000000000014 x22: 1fffe0001bd8404d x21: ffff70000437aeb8 [ 78.262447][ T5453] x20: 00000000fffffff4 x19: ffff0000dec20268 x18: 0000000000000001 [ 78.263773][ T5453] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 78.265115][ T5453] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 78.266480][ T5453] x11: 0000000000000000 x10: 0000000000000000 x9 : 0d7c4ebce0e82800 [ 78.267811][ T5453] x8 : 0d7c4ebce0e82800 x7 : 0000000000000001 x6 : 0000000000000001 [ 78.269077][ T5453] x5 : ffff800021bd6e78 x4 : ffff80001425f420 x3 : ffff800008504400 [ 78.270435][ T5453] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 78.271695][ T5453] Call trace: [ 78.272245][ T5453] btrfs_add_link+0x6e8/0xa68 [ 78.273037][ T5453] btrfs_create+0x45c/0x508 [ 78.273746][ T5453] path_openat+0x1144/0x26e4 [ 78.274557][ T5453] do_filp_open+0x164/0x330 [ 78.275288][ T5453] do_sys_openat2+0x128/0x3d8 [ 78.276062][ T5453] __arm64_sys_openat+0x120/0x154 [ 78.276846][ T5453] invoke_syscall+0x98/0x2b8 [ 78.277612][ T5453] el0_svc_common+0x138/0x258 [ 78.278416][ T5453] do_el0_svc+0x58/0x14c [ 78.279147][ T5453] el0_svc+0x78/0x1e0 [ 78.279832][ T5453] el0t_64_sync_handler+0xcc/0xe4 [ 78.280688][ T5453] el0t_64_sync+0x1a0/0x1a4 [ 78.281419][ T5453] irq event stamp: 82114 [ 78.282069][ T5453] hardirqs last enabled at (82113): [] __up_console_sem+0xb4/0x100 [ 78.283556][ T5453] hardirqs last disabled at (82114): [] el1_dbg+0x24/0x80 [ 78.284986][ T5453] softirqs last enabled at (82090): [] handle_softirqs+0xa4c/0xbf0 [ 78.286519][ T5453] softirqs last disabled at (81987): [] __irq_exit_rcu+0x240/0x440 [ 78.287991][ T5453] ---[ end trace 03819c0c8a49c9fc ]--- [ 78.291261][ T5453] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 78.292740][ T5453] BTRFS info (device loop0): forced readonly [ 78.335095][ T4904] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 10 /dev/loop0 scanned by udevd (4904) [ 78.434663][ T5475] loop0: detected capacity change from 0 to 32768 [ 78.476525][ T5475] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 78.477918][ T5475] BTRFS info (device loop0): setting nodatacow, compression disabled [ 78.479131][ T5475] BTRFS info (device loop0): setting datacow [ 78.480091][ T5475] BTRFS info (device loop0): doing ref verification [ 78.498438][ T5475] FAULT_INJECTION: forcing a failure. [ 78.498438][ T5475] name failslab, interval 1, probability 0, space 0, times 0 [ 78.500500][ T5475] CPU: 1 PID: 5475 Comm: syz.0.39 Tainted: G W syzkaller #0 [ 78.501883][ T5475] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 78.503631][ T5475] Call trace: [ 78.504163][ T5475] dump_backtrace+0x0/0x43c [ 78.504847][ T5475] show_stack+0x2c/0x3c [ 78.505451][ T5475] __dump_stack+0x30/0x40 [ 78.506211][ T5475] dump_stack_lvl+0xf8/0x160 [ 78.506999][ T5475] dump_stack+0x1c/0x5c [ 78.507626][ T5475] should_fail+0x3c0/0x51c [ 78.508299][ T5475] __should_failslab+0xbc/0x10c [ 78.509040][ T5475] should_failslab+0x10/0x28 [ 78.509735][ T5475] slab_pre_alloc_hook+0x64/0xec [ 78.510443][ T5475] kmem_cache_alloc+0x94/0x3e4 [ 78.511165][ T5475] btrfs_alloc_path+0x5c/0x68 [ 78.511814][ T5475] btrfs_insert_dir_item+0x16c/0x3b8 [ 78.512575][ T5475] btrfs_add_link+0x294/0xa68 [ 78.513351][ T5475] btrfs_create+0x45c/0x508 [ 78.514093][ T5475] path_openat+0x1144/0x26e4 [ 78.514813][ T5475] do_filp_open+0x164/0x330 [ 78.515512][ T5475] do_sys_openat2+0x128/0x3d8 [ 78.516322][ T5475] __arm64_sys_openat+0x120/0x154 [ 78.517190][ T5475] invoke_syscall+0x98/0x2b8 [ 78.517957][ T5475] el0_svc_common+0x138/0x258 [ 78.518664][ T5475] do_el0_svc+0x58/0x14c [ 78.519389][ T5475] el0_svc+0x78/0x1e0 [ 78.519984][ T5475] el0t_64_sync_handler+0xcc/0xe4 [ 78.520845][ T5475] el0t_64_sync+0x1a0/0x1a4 [ 78.523315][ T5475] ------------[ cut here ]------------ [ 78.524296][ T5475] WARNING: CPU: 1 PID: 5475 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 78.525625][ T5475] Modules linked in: [ 78.526159][ T5475] CPU: 1 PID: 5475 Comm: syz.0.39 Tainted: G W syzkaller #0 [ 78.527309][ T5475] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 78.528687][ T5475] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 78.529827][ T5475] pc : btrfs_add_link+0x6e8/0xa68 [ 78.530605][ T5475] lr : btrfs_add_link+0x6e8/0xa68 [ 78.531384][ T5475] sp : ffff800021d07580 [ 78.531999][ T5475] x29: ffff800021d07680 x28: ffff0000ded81bb0 x27: 0000000000000108 [ 78.533268][ T5475] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 78.534448][ T5475] x23: 0000000000000014 x22: 1fffe0001bdb0381 x21: ffff7000043a0eb8 [ 78.535725][ T5475] x20: 00000000fffffff4 x19: ffff0000ded81c08 x18: 0000000000000001 [ 78.536878][ T5475] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 78.538047][ T5475] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 78.539341][ T5475] x11: 0000000000000000 x10: 0000000000000000 x9 : 74c4cd29226b4a00 [ 78.540689][ T5475] x8 : 74c4cd29226b4a00 x7 : 0000000000000001 x6 : 0000000000000001 [ 78.541993][ T5475] x5 : ffff800021d06e78 x4 : ffff80001425f420 x3 : ffff800008504400 [ 78.543302][ T5475] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 78.544637][ T5475] Call trace: [ 78.545145][ T5475] btrfs_add_link+0x6e8/0xa68 [ 78.545955][ T5475] btrfs_create+0x45c/0x508 [ 78.546683][ T5475] path_openat+0x1144/0x26e4 [ 78.547408][ T5475] do_filp_open+0x164/0x330 [ 78.548107][ T5475] do_sys_openat2+0x128/0x3d8 [ 78.548772][ T5475] __arm64_sys_openat+0x120/0x154 [ 78.549486][ T5475] invoke_syscall+0x98/0x2b8 [ 78.550163][ T5475] el0_svc_common+0x138/0x258 [ 78.550859][ T5475] do_el0_svc+0x58/0x14c [ 78.551506][ T5475] el0_svc+0x78/0x1e0 [ 78.552121][ T5475] el0t_64_sync_handler+0xcc/0xe4 [ 78.552973][ T5475] el0t_64_sync+0x1a0/0x1a4 [ 78.553795][ T5475] irq event stamp: 81320 [ 78.554459][ T5475] hardirqs last enabled at (81319): [] __up_console_sem+0xb4/0x100 [ 78.555957][ T5475] hardirqs last disabled at (81320): [] el1_dbg+0x24/0x80 [ 78.557315][ T5475] softirqs last enabled at (81300): [] handle_softirqs+0xa4c/0xbf0 [ 78.558693][ T5475] softirqs last disabled at (81257): [] __irq_exit_rcu+0x240/0x440 [ 78.560176][ T5475] ---[ end trace 03819c0c8a49c9fd ]--- [ 78.562799][ T5475] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 78.712731][ T5498] loop0: detected capacity change from 0 to 32768 [ 78.783371][ T5498] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.40 (5498) [ 78.810959][ T5498] FAULT_INJECTION: forcing a failure. [ 78.810959][ T5498] name failslab, interval 1, probability 0, space 0, times 0 [ 78.813042][ T5498] CPU: 0 PID: 5498 Comm: syz.0.40 Tainted: G W syzkaller #0 [ 78.814349][ T5498] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 78.815833][ T5498] Call trace: [ 78.816300][ T5498] dump_backtrace+0x0/0x43c [ 78.816916][ T5498] show_stack+0x2c/0x3c [ 78.817561][ T5498] __dump_stack+0x30/0x40 [ 78.818330][ T5498] dump_stack_lvl+0xf8/0x160 [ 78.819088][ T5498] dump_stack+0x1c/0x5c [ 78.819794][ T5498] should_fail+0x3c0/0x51c [ 78.820541][ T5498] __should_failslab+0xbc/0x10c [ 78.821336][ T5498] should_failslab+0x10/0x28 [ 78.822081][ T5498] slab_pre_alloc_hook+0x64/0xec [ 78.822853][ T5498] kmem_cache_alloc+0x94/0x3e4 [ 78.823592][ T5498] btrfs_alloc_path+0x5c/0x68 [ 78.824313][ T5498] btrfs_insert_dir_item+0x16c/0x3b8 [ 78.825097][ T5498] btrfs_add_link+0x294/0xa68 [ 78.825896][ T5498] btrfs_create+0x45c/0x508 [ 78.826618][ T5498] path_openat+0x1144/0x26e4 [ 78.827384][ T5498] do_filp_open+0x164/0x330 [ 78.828060][ T5498] do_sys_openat2+0x128/0x3d8 [ 78.828769][ T5498] __arm64_sys_openat+0x120/0x154 [ 78.829584][ T5498] invoke_syscall+0x98/0x2b8 [ 78.830354][ T5498] el0_svc_common+0x138/0x258 [ 78.831184][ T5498] do_el0_svc+0x58/0x14c [ 78.831899][ T5498] el0_svc+0x78/0x1e0 [ 78.832537][ T5498] el0t_64_sync_handler+0xcc/0xe4 [ 78.833329][ T5498] el0t_64_sync+0x1a0/0x1a4 [ 78.836634][ T5498] ------------[ cut here ]------------ [ 78.837587][ T5498] WARNING: CPU: 0 PID: 5498 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 78.839030][ T5498] Modules linked in: [ 78.839629][ T5498] CPU: 0 PID: 5498 Comm: syz.0.40 Tainted: G W syzkaller #0 [ 78.840988][ T5498] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 78.842664][ T5498] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 78.844002][ T5498] pc : btrfs_add_link+0x6e8/0xa68 [ 78.844741][ T5498] lr : btrfs_add_link+0x6e8/0xa68 [ 78.845550][ T5498] sp : ffff800021e47580 [ 78.846227][ T5498] x29: ffff800021e47680 x28: ffff0000dec200b0 x27: 0000000000000108 [ 78.847531][ T5498] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 78.848839][ T5498] x23: 0000000000000014 x22: 1fffe0001bd84021 x21: ffff7000043c8eb8 [ 78.850098][ T5498] x20: 00000000fffffff4 x19: ffff0000dec20108 x18: 0000000000000001 [ 78.851441][ T5498] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 78.852733][ T5498] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 78.854114][ T5498] x11: 0000000000000000 x10: 0000000000000000 x9 : e5ac13b19d2ddc00 [ 78.855493][ T5498] x8 : e5ac13b19d2ddc00 x7 : 0000000000000001 x6 : 0000000000000001 [ 78.856776][ T5498] x5 : ffff800021e46e78 x4 : ffff80001425f420 x3 : ffff800008504400 [ 78.858020][ T5498] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 78.859299][ T5498] Call trace: [ 78.859771][ T5498] btrfs_add_link+0x6e8/0xa68 [ 78.860485][ T5498] btrfs_create+0x45c/0x508 [ 78.861193][ T5498] path_openat+0x1144/0x26e4 [ 78.861861][ T5498] do_filp_open+0x164/0x330 [ 78.862523][ T5498] do_sys_openat2+0x128/0x3d8 [ 78.863250][ T5498] __arm64_sys_openat+0x120/0x154 [ 78.864091][ T5498] invoke_syscall+0x98/0x2b8 [ 78.864823][ T5498] el0_svc_common+0x138/0x258 [ 78.865611][ T5498] do_el0_svc+0x58/0x14c [ 78.866258][ T5498] el0_svc+0x78/0x1e0 [ 78.866927][ T5498] el0t_64_sync_handler+0xcc/0xe4 [ 78.867781][ T5498] el0t_64_sync+0x1a0/0x1a4 [ 78.868510][ T5498] irq event stamp: 81924 [ 78.869224][ T5498] hardirqs last enabled at (81923): [] __up_console_sem+0xb4/0x100 [ 78.870855][ T5498] hardirqs last disabled at (81924): [] el1_dbg+0x24/0x80 [ 78.872354][ T5498] softirqs last enabled at (81904): [] handle_softirqs+0xa4c/0xbf0 [ 78.873919][ T5498] softirqs last disabled at (81789): [] __irq_exit_rcu+0x240/0x440 [ 78.875555][ T5498] ---[ end trace 03819c0c8a49c9fe ]--- [ 78.878712][ T5498] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 79.011210][ T5520] loop0: detected capacity change from 0 to 32768 [ 79.054446][ T5520] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.41 (5520) [ 79.070415][ T5520] FAULT_INJECTION: forcing a failure. [ 79.070415][ T5520] name failslab, interval 1, probability 0, space 0, times 0 [ 79.072427][ T5520] CPU: 1 PID: 5520 Comm: syz.0.41 Tainted: G W syzkaller #0 [ 79.073891][ T5520] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 79.075506][ T5520] Call trace: [ 79.076020][ T5520] dump_backtrace+0x0/0x43c [ 79.076782][ T5520] show_stack+0x2c/0x3c [ 79.077415][ T5520] __dump_stack+0x30/0x40 [ 79.078041][ T5520] dump_stack_lvl+0xf8/0x160 [ 79.078718][ T5520] dump_stack+0x1c/0x5c [ 79.079398][ T5520] should_fail+0x3c0/0x51c [ 79.080094][ T5520] __should_failslab+0xbc/0x10c [ 79.080915][ T5520] should_failslab+0x10/0x28 [ 79.081651][ T5520] slab_pre_alloc_hook+0x64/0xec [ 79.082393][ T5520] kmem_cache_alloc+0x94/0x3e4 [ 79.083193][ T5520] btrfs_alloc_path+0x5c/0x68 [ 79.083952][ T5520] btrfs_insert_dir_item+0x16c/0x3b8 [ 79.084782][ T5520] btrfs_add_link+0x294/0xa68 [ 79.085560][ T5520] btrfs_create+0x45c/0x508 [ 79.086267][ T5520] path_openat+0x1144/0x26e4 [ 79.087024][ T5520] do_filp_open+0x164/0x330 [ 79.087726][ T5520] do_sys_openat2+0x128/0x3d8 [ 79.088468][ T5520] __arm64_sys_openat+0x120/0x154 [ 79.089320][ T5520] invoke_syscall+0x98/0x2b8 [ 79.090034][ T5520] el0_svc_common+0x138/0x258 [ 79.090705][ T5520] do_el0_svc+0x58/0x14c [ 79.091299][ T5520] el0_svc+0x78/0x1e0 [ 79.091838][ T5520] el0t_64_sync_handler+0xcc/0xe4 [ 79.092515][ T5520] el0t_64_sync+0x1a0/0x1a4 [ 79.094349][ T5520] ------------[ cut here ]------------ [ 79.095367][ T5520] WARNING: CPU: 1 PID: 5520 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 79.096613][ T5520] Modules linked in: [ 79.097176][ T5520] CPU: 1 PID: 5520 Comm: syz.0.41 Tainted: G W syzkaller #0 [ 79.098475][ T5520] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 79.100153][ T5520] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.101388][ T5520] pc : btrfs_add_link+0x6e8/0xa68 [ 79.102199][ T5520] lr : btrfs_add_link+0x6e8/0xa68 [ 79.102990][ T5520] sp : ffff800021f47580 [ 79.103587][ T5520] x29: ffff800021f47680 x28: ffff0000ded818f0 x27: 0000000000000108 [ 79.104963][ T5520] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 79.106247][ T5520] x23: 0000000000000014 x22: 1fffe0001bdb0329 x21: ffff7000043e8eb8 [ 79.107460][ T5520] x20: 00000000fffffff4 x19: ffff0000ded81948 x18: 0000000000000001 [ 79.108649][ T5520] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 79.110024][ T5520] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 79.111250][ T5520] x11: 0000000000000000 x10: 0000000000000000 x9 : ff5bfb0d6eb36700 [ 79.112648][ T5520] x8 : ff5bfb0d6eb36700 x7 : 0000000000000001 x6 : 0000000000000001 [ 79.114000][ T5520] x5 : ffff800021f46e78 x4 : ffff80001425f420 x3 : ffff800008504400 [ 79.115293][ T5520] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 79.116652][ T5520] Call trace: [ 79.117196][ T5520] btrfs_add_link+0x6e8/0xa68 [ 79.117961][ T5520] btrfs_create+0x45c/0x508 [ 79.118705][ T5520] path_openat+0x1144/0x26e4 [ 79.119422][ T5520] do_filp_open+0x164/0x330 [ 79.120155][ T5520] do_sys_openat2+0x128/0x3d8 [ 79.120879][ T5520] __arm64_sys_openat+0x120/0x154 [ 79.121609][ T5520] invoke_syscall+0x98/0x2b8 [ 79.122240][ T5520] el0_svc_common+0x138/0x258 [ 79.123034][ T5520] do_el0_svc+0x58/0x14c [ 79.123753][ T5520] el0_svc+0x78/0x1e0 [ 79.124435][ T5520] el0t_64_sync_handler+0xcc/0xe4 [ 79.125304][ T5520] el0t_64_sync+0x1a0/0x1a4 [ 79.125973][ T5520] irq event stamp: 82210 [ 79.126576][ T5520] hardirqs last enabled at (82209): [] __up_console_sem+0xb4/0x100 [ 79.128205][ T5520] hardirqs last disabled at (82210): [] el1_dbg+0x24/0x80 [ 79.129593][ T5520] softirqs last enabled at (82190): [] handle_softirqs+0xa4c/0xbf0 [ 79.131169][ T5520] softirqs last disabled at (82057): [] __irq_exit_rcu+0x240/0x440 [ 79.132689][ T5520] ---[ end trace 03819c0c8a49c9ff ]--- [ 79.133836][ T5520] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 79.272014][ T5542] loop0: detected capacity change from 0 to 32768 [ 79.318874][ T5542] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.42 (5542) [ 79.335788][ T5542] FAULT_INJECTION: forcing a failure. [ 79.335788][ T5542] name failslab, interval 1, probability 0, space 0, times 0 [ 79.337685][ T5542] CPU: 1 PID: 5542 Comm: syz.0.42 Tainted: G W syzkaller #0 [ 79.338973][ T5542] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 79.340548][ T5542] Call trace: [ 79.341053][ T5542] dump_backtrace+0x0/0x43c [ 79.341741][ T5542] show_stack+0x2c/0x3c [ 79.342351][ T5542] __dump_stack+0x30/0x40 [ 79.343006][ T5542] dump_stack_lvl+0xf8/0x160 [ 79.343689][ T5542] dump_stack+0x1c/0x5c [ 79.344347][ T5542] should_fail+0x3c0/0x51c [ 79.344998][ T5542] __should_failslab+0xbc/0x10c [ 79.345735][ T5542] should_failslab+0x10/0x28 [ 79.346399][ T5542] slab_pre_alloc_hook+0x64/0xec [ 79.347194][ T5542] kmem_cache_alloc+0x94/0x3e4 [ 79.347949][ T5542] btrfs_alloc_path+0x5c/0x68 [ 79.348714][ T5542] btrfs_insert_dir_item+0x16c/0x3b8 [ 79.349568][ T5542] btrfs_add_link+0x294/0xa68 [ 79.350310][ T5542] btrfs_create+0x45c/0x508 [ 79.351049][ T5542] path_openat+0x1144/0x26e4 [ 79.351757][ T5542] do_filp_open+0x164/0x330 [ 79.352466][ T5542] do_sys_openat2+0x128/0x3d8 [ 79.353205][ T5542] __arm64_sys_openat+0x120/0x154 [ 79.353978][ T5542] invoke_syscall+0x98/0x2b8 [ 79.354646][ T5542] el0_svc_common+0x138/0x258 [ 79.355320][ T5542] do_el0_svc+0x58/0x14c [ 79.355935][ T5542] el0_svc+0x78/0x1e0 [ 79.356534][ T5542] el0t_64_sync_handler+0xcc/0xe4 [ 79.357247][ T5542] el0t_64_sync+0x1a0/0x1a4 [ 79.358834][ T5542] ------------[ cut here ]------------ [ 79.359750][ T5542] WARNING: CPU: 1 PID: 5542 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 79.361105][ T5542] Modules linked in: [ 79.361695][ T5542] CPU: 1 PID: 5542 Comm: syz.0.42 Tainted: G W syzkaller #0 [ 79.362916][ T5542] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 79.364390][ T5542] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.365477][ T5542] pc : btrfs_add_link+0x6e8/0xa68 [ 79.366297][ T5542] lr : btrfs_add_link+0x6e8/0xa68 [ 79.367066][ T5542] sp : ffff800022067580 [ 79.367748][ T5542] x29: ffff800022067680 x28: ffff0000ded81630 x27: 0000000000000108 [ 79.368927][ T5542] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 79.370308][ T5542] x23: 0000000000000014 x22: 1fffe0001bdb02d1 x21: ffff70000440ceb8 [ 79.371604][ T5542] x20: 00000000fffffff4 x19: ffff0000ded81688 x18: 0000000000000001 [ 79.372874][ T5542] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 79.374123][ T5542] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 79.375356][ T5542] x11: 0000000000000000 x10: 0000000000000000 x9 : af0f0565b9c7da00 [ 79.376726][ T5542] x8 : af0f0565b9c7da00 x7 : 0000000000000001 x6 : 0000000000000001 [ 79.378039][ T5542] x5 : ffff800022066e78 x4 : ffff80001425f420 x3 : ffff800008504400 [ 79.379395][ T5542] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 79.380720][ T5542] Call trace: [ 79.381262][ T5542] btrfs_add_link+0x6e8/0xa68 [ 79.382001][ T5542] btrfs_create+0x45c/0x508 [ 79.382773][ T5542] path_openat+0x1144/0x26e4 [ 79.383501][ T5542] do_filp_open+0x164/0x330 [ 79.384161][ T5542] do_sys_openat2+0x128/0x3d8 [ 79.384904][ T5542] __arm64_sys_openat+0x120/0x154 [ 79.385744][ T5542] invoke_syscall+0x98/0x2b8 [ 79.386515][ T5542] el0_svc_common+0x138/0x258 [ 79.387239][ T5542] do_el0_svc+0x58/0x14c [ 79.387902][ T5542] el0_svc+0x78/0x1e0 [ 79.388557][ T5542] el0t_64_sync_handler+0xcc/0xe4 [ 79.389372][ T5542] el0t_64_sync+0x1a0/0x1a4 [ 79.390078][ T5542] irq event stamp: 81764 [ 79.390750][ T5542] hardirqs last enabled at (81763): [] __up_console_sem+0xb4/0x100 [ 79.392210][ T5542] hardirqs last disabled at (81764): [] el1_dbg+0x24/0x80 [ 79.393581][ T5542] softirqs last enabled at (81744): [] handle_softirqs+0xa4c/0xbf0 [ 79.395027][ T5542] softirqs last disabled at (81699): [] __irq_exit_rcu+0x240/0x440 [ 79.396588][ T5542] ---[ end trace 03819c0c8a49ca00 ]--- [ 79.397974][ T5542] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 79.542318][ T5564] loop0: detected capacity change from 0 to 32768 [ 79.573765][ T5564] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.43 (5564) [ 79.645796][ T5564] FAULT_INJECTION: forcing a failure. [ 79.645796][ T5564] name failslab, interval 1, probability 0, space 0, times 0 [ 79.647921][ T5564] CPU: 0 PID: 5564 Comm: syz.0.43 Tainted: G W syzkaller #0 [ 79.649311][ T5564] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 79.650917][ T5564] Call trace: [ 79.651428][ T5564] dump_backtrace+0x0/0x43c [ 79.652174][ T5564] show_stack+0x2c/0x3c [ 79.652875][ T5564] __dump_stack+0x30/0x40 [ 79.653580][ T5564] dump_stack_lvl+0xf8/0x160 [ 79.654368][ T5564] dump_stack+0x1c/0x5c [ 79.655086][ T5564] should_fail+0x3c0/0x51c [ 79.655750][ T5564] __should_failslab+0xbc/0x10c [ 79.656530][ T5564] should_failslab+0x10/0x28 [ 79.657201][ T5564] slab_pre_alloc_hook+0x64/0xec [ 79.657943][ T5564] kmem_cache_alloc+0x94/0x3e4 [ 79.658647][ T5564] btrfs_alloc_path+0x5c/0x68 [ 79.659352][ T5564] btrfs_insert_dir_item+0x16c/0x3b8 [ 79.660132][ T5564] btrfs_add_link+0x294/0xa68 [ 79.660890][ T5564] btrfs_create+0x45c/0x508 [ 79.661636][ T5564] path_openat+0x1144/0x26e4 [ 79.662299][ T5564] do_filp_open+0x164/0x330 [ 79.663058][ T5564] do_sys_openat2+0x128/0x3d8 [ 79.663808][ T5564] __arm64_sys_openat+0x120/0x154 [ 79.664608][ T5564] invoke_syscall+0x98/0x2b8 [ 79.665306][ T5564] el0_svc_common+0x138/0x258 [ 79.666002][ T5564] do_el0_svc+0x58/0x14c [ 79.666672][ T5564] el0_svc+0x78/0x1e0 [ 79.667268][ T5564] el0t_64_sync_handler+0xcc/0xe4 [ 79.668002][ T5564] el0t_64_sync+0x1a0/0x1a4 [ 79.671490][ T5564] ------------[ cut here ]------------ [ 79.672555][ T5564] WARNING: CPU: 0 PID: 5564 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 79.673929][ T5564] Modules linked in: [ 79.674531][ T5564] CPU: 0 PID: 5564 Comm: syz.0.43 Tainted: G W syzkaller #0 [ 79.675908][ T5564] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 79.677586][ T5564] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.678971][ T5564] pc : btrfs_add_link+0x6e8/0xa68 [ 79.679839][ T5564] lr : btrfs_add_link+0x6e8/0xa68 [ 79.680667][ T5564] sp : ffff8000220b7580 [ 79.681314][ T5564] x29: ffff8000220b7680 x28: ffff0000dec20c60 x27: 0000000000000108 [ 79.682554][ T5564] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 79.683803][ T5564] x23: 0000000000000014 x22: 1fffe0001bd84197 x21: ffff700004416eb8 [ 79.685064][ T5564] x20: 00000000fffffff4 x19: ffff0000dec20cb8 x18: 0000000000000001 [ 79.686355][ T5564] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 79.687669][ T5564] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 79.689067][ T5564] x11: 0000000000000000 x10: 0000000000000000 x9 : c1e27d3319f7e000 [ 79.690414][ T5564] x8 : c1e27d3319f7e000 x7 : 0000000000000001 x6 : 0000000000000001 [ 79.691644][ T5564] x5 : ffff8000220b6e78 x4 : ffff80001425f420 x3 : ffff800008504400 [ 79.692984][ T5564] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 79.694216][ T5564] Call trace: [ 79.694708][ T5564] btrfs_add_link+0x6e8/0xa68 [ 79.695438][ T5564] btrfs_create+0x45c/0x508 [ 79.696281][ T5564] path_openat+0x1144/0x26e4 [ 79.697060][ T5564] do_filp_open+0x164/0x330 [ 79.697838][ T5564] do_sys_openat2+0x128/0x3d8 [ 79.698611][ T5564] __arm64_sys_openat+0x120/0x154 [ 79.699430][ T5564] invoke_syscall+0x98/0x2b8 [ 79.700171][ T5564] el0_svc_common+0x138/0x258 [ 79.700979][ T5564] do_el0_svc+0x58/0x14c [ 79.701697][ T5564] el0_svc+0x78/0x1e0 [ 79.702374][ T5564] el0t_64_sync_handler+0xcc/0xe4 [ 79.703200][ T5564] el0t_64_sync+0x1a0/0x1a4 [ 79.703895][ T5564] irq event stamp: 82710 [ 79.704600][ T5564] hardirqs last enabled at (82709): [] __up_console_sem+0xb4/0x100 [ 79.706209][ T5564] hardirqs last disabled at (82710): [] el1_dbg+0x24/0x80 [ 79.707698][ T5564] softirqs last enabled at (82690): [] handle_softirqs+0xa4c/0xbf0 [ 79.709297][ T5564] softirqs last disabled at (82571): [] __irq_exit_rcu+0x240/0x440 [ 79.710833][ T5564] ---[ end trace 03819c0c8a49ca01 ]--- [ 79.713024][ T5564] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 79.847107][ T5586] loop0: detected capacity change from 0 to 32768 [ 79.927003][ T5586] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.44 (5586) [ 79.944291][ T5586] FAULT_INJECTION: forcing a failure. [ 79.944291][ T5586] name failslab, interval 1, probability 0, space 0, times 0 [ 79.946431][ T5586] CPU: 1 PID: 5586 Comm: syz.0.44 Tainted: G W syzkaller #0 [ 79.947795][ T5586] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 79.949342][ T5586] Call trace: [ 79.949820][ T5586] dump_backtrace+0x0/0x43c [ 79.950545][ T5586] show_stack+0x2c/0x3c [ 79.951145][ T5586] __dump_stack+0x30/0x40 [ 79.951798][ T5586] dump_stack_lvl+0xf8/0x160 [ 79.952428][ T5586] dump_stack+0x1c/0x5c [ 79.953059][ T5586] should_fail+0x3c0/0x51c [ 79.953686][ T5586] __should_failslab+0xbc/0x10c [ 79.954371][ T5586] should_failslab+0x10/0x28 [ 79.955074][ T5586] slab_pre_alloc_hook+0x64/0xec [ 79.955751][ T5586] kmem_cache_alloc+0x94/0x3e4 [ 79.956462][ T5586] btrfs_alloc_path+0x5c/0x68 [ 79.957241][ T5586] btrfs_insert_dir_item+0x16c/0x3b8 [ 79.958154][ T5586] btrfs_add_link+0x294/0xa68 [ 79.958863][ T5586] btrfs_create+0x45c/0x508 [ 79.959618][ T5586] path_openat+0x1144/0x26e4 [ 79.960407][ T5586] do_filp_open+0x164/0x330 [ 79.961157][ T5586] do_sys_openat2+0x128/0x3d8 [ 79.961911][ T5586] __arm64_sys_openat+0x120/0x154 [ 79.962701][ T5586] invoke_syscall+0x98/0x2b8 [ 79.963444][ T5586] el0_svc_common+0x138/0x258 [ 79.964189][ T5586] do_el0_svc+0x58/0x14c [ 79.964914][ T5586] el0_svc+0x78/0x1e0 [ 79.965558][ T5586] el0t_64_sync_handler+0xcc/0xe4 [ 79.966318][ T5586] el0t_64_sync+0x1a0/0x1a4 [ 79.967723][ T5586] ------------[ cut here ]------------ [ 79.968655][ T5586] WARNING: CPU: 1 PID: 5586 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 79.969974][ T5586] Modules linked in: [ 79.970570][ T5586] CPU: 1 PID: 5586 Comm: syz.0.44 Tainted: G W syzkaller #0 [ 79.971939][ T5586] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 79.973614][ T5586] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.974922][ T5586] pc : btrfs_add_link+0x6e8/0xa68 [ 79.975733][ T5586] lr : btrfs_add_link+0x6e8/0xa68 [ 79.976575][ T5586] sp : ffff800022067580 [ 79.977280][ T5586] x29: ffff800022067680 x28: ffff0000ded81370 x27: 0000000000000108 [ 79.978552][ T5586] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 79.979924][ T5586] x23: 0000000000000014 x22: 1fffe0001bdb0279 x21: ffff70000440ceb8 [ 79.981154][ T5586] x20: 00000000fffffff4 x19: ffff0000ded813c8 x18: 0000000000000001 [ 79.982484][ T5586] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 79.983742][ T5586] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 79.985093][ T5586] x11: 0000000000000000 x10: 0000000000000000 x9 : eb5d0701cb650800 [ 79.986444][ T5586] x8 : eb5d0701cb650800 x7 : 0000000000000001 x6 : 0000000000000001 [ 79.987742][ T5586] x5 : ffff800022066e78 x4 : ffff80001425f420 x3 : ffff800008504400 [ 79.989096][ T5586] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 79.990422][ T5586] Call trace: [ 79.990978][ T5586] btrfs_add_link+0x6e8/0xa68 [ 79.991707][ T5586] btrfs_create+0x45c/0x508 [ 79.992497][ T5586] path_openat+0x1144/0x26e4 [ 79.993227][ T5586] do_filp_open+0x164/0x330 [ 79.994004][ T5586] do_sys_openat2+0x128/0x3d8 [ 79.994744][ T5586] __arm64_sys_openat+0x120/0x154 [ 79.995506][ T5586] invoke_syscall+0x98/0x2b8 [ 79.996250][ T5586] el0_svc_common+0x138/0x258 [ 79.997006][ T5586] do_el0_svc+0x58/0x14c [ 79.997682][ T5586] el0_svc+0x78/0x1e0 [ 79.998300][ T5586] el0t_64_sync_handler+0xcc/0xe4 [ 79.999104][ T5586] el0t_64_sync+0x1a0/0x1a4 [ 79.999802][ T5586] irq event stamp: 81668 [ 80.000437][ T5586] hardirqs last enabled at (81667): [] __up_console_sem+0xb4/0x100 [ 80.001844][ T5586] hardirqs last disabled at (81668): [] el1_dbg+0x24/0x80 [ 80.003093][ T5586] softirqs last enabled at (81648): [] handle_softirqs+0xa4c/0xbf0 [ 80.004682][ T5586] softirqs last disabled at (81635): [] __irq_exit_rcu+0x240/0x440 [ 80.006195][ T5586] ---[ end trace 03819c0c8a49ca02 ]--- [ 80.008307][ T5586] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 80.146416][ T5608] loop0: detected capacity change from 0 to 32768 [ 80.193872][ T5608] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.45 (5608) [ 80.386586][ T5608] FAULT_INJECTION: forcing a failure. [ 80.386586][ T5608] name failslab, interval 1, probability 0, space 0, times 0 [ 80.388604][ T5608] CPU: 1 PID: 5608 Comm: syz.0.45 Tainted: G W syzkaller #0 [ 80.390000][ T5608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 80.391588][ T5608] Call trace: [ 80.392149][ T5608] dump_backtrace+0x0/0x43c [ 80.392896][ T5608] show_stack+0x2c/0x3c [ 80.393599][ T5608] __dump_stack+0x30/0x40 [ 80.394266][ T5608] dump_stack_lvl+0xf8/0x160 [ 80.395005][ T5608] dump_stack+0x1c/0x5c [ 80.395654][ T5608] should_fail+0x3c0/0x51c [ 80.396316][ T5608] __should_failslab+0xbc/0x10c [ 80.396998][ T5608] should_failslab+0x10/0x28 [ 80.397639][ T5608] slab_pre_alloc_hook+0x64/0xec [ 80.398364][ T5608] kmem_cache_alloc+0x94/0x3e4 [ 80.399152][ T5608] btrfs_alloc_path+0x5c/0x68 [ 80.399835][ T5608] btrfs_insert_dir_item+0x16c/0x3b8 [ 80.400566][ T5608] btrfs_add_link+0x294/0xa68 [ 80.401245][ T5608] btrfs_create+0x45c/0x508 [ 80.401886][ T5608] path_openat+0x1144/0x26e4 [ 80.402585][ T5608] do_filp_open+0x164/0x330 [ 80.403238][ T5608] do_sys_openat2+0x128/0x3d8 [ 80.403907][ T5608] __arm64_sys_openat+0x120/0x154 [ 80.404642][ T5608] invoke_syscall+0x98/0x2b8 [ 80.405350][ T5608] el0_svc_common+0x138/0x258 [ 80.406117][ T5608] do_el0_svc+0x58/0x14c [ 80.406818][ T5608] el0_svc+0x78/0x1e0 [ 80.407422][ T5608] el0t_64_sync_handler+0xcc/0xe4 [ 80.408213][ T5608] el0t_64_sync+0x1a0/0x1a4 [ 80.432653][ T5608] ------------[ cut here ]------------ [ 80.433600][ T5608] WARNING: CPU: 1 PID: 5608 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 80.435058][ T5608] Modules linked in: [ 80.435728][ T5608] CPU: 1 PID: 5608 Comm: syz.0.45 Tainted: G W syzkaller #0 [ 80.437217][ T5608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 80.438934][ T5608] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 80.440263][ T5608] pc : btrfs_add_link+0x6e8/0xa68 [ 80.441087][ T5608] lr : btrfs_add_link+0x6e8/0xa68 [ 80.441952][ T5608] sp : ffff8000223f7580 [ 80.442672][ T5608] x29: ffff8000223f7680 x28: ffff0000ded81210 x27: 0000000000000108 [ 80.443990][ T5608] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 80.445452][ T5608] x23: 0000000000000014 x22: 1fffe0001bdb024d x21: ffff70000447eeb8 [ 80.446804][ T5608] x20: 00000000fffffff4 x19: ffff0000ded81268 x18: 0000000000000001 [ 80.448157][ T5608] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 80.449528][ T5608] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 80.450800][ T5608] x11: 0000000000000000 x10: 0000000000000000 x9 : 1db1fbc283ac4400 [ 80.452182][ T5608] x8 : 1db1fbc283ac4400 x7 : 0000000000000001 x6 : 0000000000000001 [ 80.453545][ T5608] x5 : ffff8000223f6e78 x4 : ffff80001425f420 x3 : ffff800008504400 [ 80.454879][ T5608] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 80.456210][ T5608] Call trace: [ 80.456720][ T5608] btrfs_add_link+0x6e8/0xa68 [ 80.457480][ T5608] btrfs_create+0x45c/0x508 [ 80.458217][ T5608] path_openat+0x1144/0x26e4 [ 80.458953][ T5608] do_filp_open+0x164/0x330 [ 80.459687][ T5608] do_sys_openat2+0x128/0x3d8 [ 80.460451][ T5608] __arm64_sys_openat+0x120/0x154 [ 80.461233][ T5608] invoke_syscall+0x98/0x2b8 [ 80.461971][ T5608] el0_svc_common+0x138/0x258 [ 80.462640][ T5608] do_el0_svc+0x58/0x14c [ 80.463317][ T5608] el0_svc+0x78/0x1e0 [ 80.463970][ T5608] el0t_64_sync_handler+0xcc/0xe4 [ 80.464836][ T5608] el0t_64_sync+0x1a0/0x1a4 [ 80.465543][ T5608] irq event stamp: 81238 [ 80.466191][ T5608] hardirqs last enabled at (81237): [] __up_console_sem+0xb4/0x100 [ 80.467759][ T5608] hardirqs last disabled at (81238): [] el1_dbg+0x24/0x80 [ 80.469075][ T5608] softirqs last enabled at (81218): [] handle_softirqs+0xa4c/0xbf0 [ 80.470543][ T5608] softirqs last disabled at (81061): [] __irq_exit_rcu+0x240/0x440 [ 80.471957][ T5608] ---[ end trace 03819c0c8a49ca03 ]--- [ 80.475445][ T5608] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 80.536647][ T4904] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 10 /dev/loop0 scanned by udevd (4904) [ 80.672391][ T5631] loop0: detected capacity change from 0 to 32768 [ 80.798902][ T5631] FAULT_INJECTION: forcing a failure. [ 80.798902][ T5631] name failslab, interval 1, probability 0, space 0, times 0 [ 80.801042][ T5631] CPU: 1 PID: 5631 Comm: syz.0.46 Tainted: G W syzkaller #0 [ 80.802440][ T5631] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 80.803957][ T5631] Call trace: [ 80.804465][ T5631] dump_backtrace+0x0/0x43c [ 80.805166][ T5631] show_stack+0x2c/0x3c [ 80.805795][ T5631] __dump_stack+0x30/0x40 [ 80.806514][ T5631] dump_stack_lvl+0xf8/0x160 [ 80.807275][ T5631] dump_stack+0x1c/0x5c [ 80.807988][ T5631] should_fail+0x3c0/0x51c [ 80.808736][ T5631] __should_failslab+0xbc/0x10c [ 80.809474][ T5631] should_failslab+0x10/0x28 [ 80.810232][ T5631] slab_pre_alloc_hook+0x64/0xec [ 80.810952][ T5631] kmem_cache_alloc+0x94/0x3e4 [ 80.811612][ T5631] btrfs_alloc_path+0x5c/0x68 [ 80.812307][ T5631] btrfs_insert_dir_item+0x16c/0x3b8 [ 80.813079][ T5631] btrfs_add_link+0x294/0xa68 [ 80.813771][ T5631] btrfs_create+0x45c/0x508 [ 80.814434][ T5631] path_openat+0x1144/0x26e4 [ 80.815120][ T5631] do_filp_open+0x164/0x330 [ 80.815795][ T5631] do_sys_openat2+0x128/0x3d8 [ 80.816485][ T5631] __arm64_sys_openat+0x120/0x154 [ 80.817259][ T5631] invoke_syscall+0x98/0x2b8 [ 80.817946][ T5631] el0_svc_common+0x138/0x258 [ 80.818632][ T5631] do_el0_svc+0x58/0x14c [ 80.819303][ T5631] el0_svc+0x78/0x1e0 [ 80.819907][ T5631] el0t_64_sync_handler+0xcc/0xe4 [ 80.820621][ T5631] el0t_64_sync+0x1a0/0x1a4 [ 80.823953][ T5631] ------------[ cut here ]------------ [ 80.825011][ T5631] WARNING: CPU: 1 PID: 5631 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 80.826529][ T5631] Modules linked in: [ 80.827172][ T5631] CPU: 1 PID: 5631 Comm: syz.0.46 Tainted: G W syzkaller #0 [ 80.828521][ T5631] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 80.830031][ T5631] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 80.831186][ T5631] pc : btrfs_add_link+0x6e8/0xa68 [ 80.831942][ T5631] lr : btrfs_add_link+0x6e8/0xa68 [ 80.832832][ T5631] sp : ffff800022507580 [ 80.833529][ T5631] x29: ffff800022507680 x28: ffff0000dec27f20 x27: 0000000000000108 [ 80.834859][ T5631] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 80.836140][ T5631] x23: 0000000000000014 x22: 1fffe0001bd84fef x21: ffff7000044a0eb8 [ 80.837470][ T5631] x20: 00000000fffffff4 x19: ffff0000dec27f78 x18: 0000000000000001 [ 80.838800][ T5631] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 80.840006][ T5631] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 80.841324][ T5631] x11: 0000000000000000 x10: 0000000000000000 x9 : 41b19366ea913600 [ 80.842627][ T5631] x8 : 41b19366ea913600 x7 : 0000000000000001 x6 : 0000000000000001 [ 80.843796][ T5631] x5 : ffff800022506e78 x4 : ffff80001425f420 x3 : ffff800008504400 [ 80.844947][ T5631] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 80.846126][ T5631] Call trace: [ 80.846634][ T5631] btrfs_add_link+0x6e8/0xa68 [ 80.847281][ T5631] btrfs_create+0x45c/0x508 [ 80.847921][ T5631] path_openat+0x1144/0x26e4 [ 80.848589][ T5631] do_filp_open+0x164/0x330 [ 80.849277][ T5631] do_sys_openat2+0x128/0x3d8 [ 80.849947][ T5631] __arm64_sys_openat+0x120/0x154 [ 80.850705][ T5631] invoke_syscall+0x98/0x2b8 [ 80.851416][ T5631] el0_svc_common+0x138/0x258 [ 80.852133][ T5631] do_el0_svc+0x58/0x14c [ 80.852790][ T5631] el0_svc+0x78/0x1e0 [ 80.853399][ T5631] el0t_64_sync_handler+0xcc/0xe4 [ 80.854123][ T5631] el0t_64_sync+0x1a0/0x1a4 [ 80.854822][ T5631] irq event stamp: 81264 [ 80.855509][ T5631] hardirqs last enabled at (81263): [] __up_console_sem+0xb4/0x100 [ 80.857012][ T5631] hardirqs last disabled at (81264): [] el1_dbg+0x24/0x80 [ 80.858296][ T5631] softirqs last enabled at (81244): [] handle_softirqs+0xa4c/0xbf0 [ 80.859795][ T5631] softirqs last disabled at (81165): [] __irq_exit_rcu+0x240/0x440 [ 80.861359][ T5631] ---[ end trace 03819c0c8a49ca04 ]--- [ 80.864328][ T5631] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 81.001269][ T5654] loop0: detected capacity change from 0 to 32768 [ 81.009007][ T5654] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.47 (5654) [ 81.025490][ T5654] FAULT_INJECTION: forcing a failure. [ 81.025490][ T5654] name failslab, interval 1, probability 0, space 0, times 0 [ 81.027457][ T5654] CPU: 0 PID: 5654 Comm: syz.0.47 Tainted: G W syzkaller #0 [ 81.028848][ T5654] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 81.030478][ T5654] Call trace: [ 81.030993][ T5654] dump_backtrace+0x0/0x43c [ 81.031713][ T5654] show_stack+0x2c/0x3c [ 81.032439][ T5654] __dump_stack+0x30/0x40 [ 81.033173][ T5654] dump_stack_lvl+0xf8/0x160 [ 81.033946][ T5654] dump_stack+0x1c/0x5c [ 81.034603][ T5654] should_fail+0x3c0/0x51c [ 81.035365][ T5654] __should_failslab+0xbc/0x10c [ 81.036190][ T5654] should_failslab+0x10/0x28 [ 81.036980][ T5654] slab_pre_alloc_hook+0x64/0xec [ 81.037808][ T5654] kmem_cache_alloc+0x94/0x3e4 [ 81.038599][ T5654] btrfs_alloc_path+0x5c/0x68 [ 81.039279][ T5654] btrfs_insert_dir_item+0x16c/0x3b8 [ 81.040040][ T5654] btrfs_add_link+0x294/0xa68 [ 81.040822][ T5654] btrfs_create+0x45c/0x508 [ 81.041577][ T5654] path_openat+0x1144/0x26e4 [ 81.042317][ T5654] do_filp_open+0x164/0x330 [ 81.043116][ T5654] do_sys_openat2+0x128/0x3d8 [ 81.043916][ T5654] __arm64_sys_openat+0x120/0x154 [ 81.044715][ T5654] invoke_syscall+0x98/0x2b8 [ 81.045475][ T5654] el0_svc_common+0x138/0x258 [ 81.046248][ T5654] do_el0_svc+0x58/0x14c [ 81.046936][ T5654] el0_svc+0x78/0x1e0 [ 81.047615][ T5654] el0t_64_sync_handler+0xcc/0xe4 [ 81.048425][ T5654] el0t_64_sync+0x1a0/0x1a4 [ 81.051019][ T5654] ------------[ cut here ]------------ [ 81.052002][ T5654] WARNING: CPU: 0 PID: 5654 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 81.053482][ T5654] Modules linked in: [ 81.054087][ T5654] CPU: 0 PID: 5654 Comm: syz.0.47 Tainted: G W syzkaller #0 [ 81.055335][ T5654] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 81.056868][ T5654] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 81.058194][ T5654] pc : btrfs_add_link+0x6e8/0xa68 [ 81.058992][ T5654] lr : btrfs_add_link+0x6e8/0xa68 [ 81.059844][ T5654] sp : ffff8000228d7580 [ 81.060528][ T5654] x29: ffff8000228d7680 x28: ffff0000dec209a0 x27: 0000000000000108 [ 81.061877][ T5654] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 81.063207][ T5654] x23: 0000000000000014 x22: 1fffe0001bd8413f x21: ffff70000451aeb8 [ 81.064542][ T5654] x20: 00000000fffffff4 x19: ffff0000dec209f8 x18: 0000000000000001 [ 81.065902][ T5654] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 81.067229][ T5654] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 81.068612][ T5654] x11: 0000000000000000 x10: 0000000000000000 x9 : e0b7a089a9046700 [ 81.069984][ T5654] x8 : e0b7a089a9046700 x7 : 0000000000000001 x6 : 0000000000000001 [ 81.071296][ T5654] x5 : ffff8000228d6e78 x4 : ffff80001425f420 x3 : ffff800008504400 [ 81.072617][ T5654] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 81.073973][ T5654] Call trace: [ 81.074457][ T5654] btrfs_add_link+0x6e8/0xa68 [ 81.075233][ T5654] btrfs_create+0x45c/0x508 [ 81.075933][ T5654] path_openat+0x1144/0x26e4 [ 81.076701][ T5654] do_filp_open+0x164/0x330 [ 81.077499][ T5654] do_sys_openat2+0x128/0x3d8 [ 81.078273][ T5654] __arm64_sys_openat+0x120/0x154 [ 81.079094][ T5654] invoke_syscall+0x98/0x2b8 [ 81.079812][ T5654] el0_svc_common+0x138/0x258 [ 81.080551][ T5654] do_el0_svc+0x58/0x14c [ 81.081209][ T5654] el0_svc+0x78/0x1e0 [ 81.081882][ T5654] el0t_64_sync_handler+0xcc/0xe4 [ 81.082764][ T5654] el0t_64_sync+0x1a0/0x1a4 [ 81.083493][ T5654] irq event stamp: 82482 [ 81.084145][ T5654] hardirqs last enabled at (82481): [] __up_console_sem+0xb4/0x100 [ 81.085644][ T5654] hardirqs last disabled at (82482): [] el1_dbg+0x24/0x80 [ 81.087062][ T5654] softirqs last enabled at (82462): [] handle_softirqs+0xa4c/0xbf0 [ 81.088663][ T5654] softirqs last disabled at (82435): [] __irq_exit_rcu+0x240/0x440 [ 81.090276][ T5654] ---[ end trace 03819c0c8a49ca05 ]--- [ 81.093516][ T5654] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 81.235771][ T5676] loop0: detected capacity change from 0 to 32768 [ 81.273785][ T5676] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.48 (5676) [ 81.291597][ T5676] FAULT_INJECTION: forcing a failure. [ 81.291597][ T5676] name failslab, interval 1, probability 0, space 0, times 0 [ 81.294433][ T5676] CPU: 0 PID: 5676 Comm: syz.0.48 Tainted: G W syzkaller #0 [ 81.295814][ T5676] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 81.297517][ T5676] Call trace: [ 81.298054][ T5676] dump_backtrace+0x0/0x43c [ 81.298810][ T5676] show_stack+0x2c/0x3c [ 81.299467][ T5676] __dump_stack+0x30/0x40 [ 81.300164][ T5676] dump_stack_lvl+0xf8/0x160 [ 81.300913][ T5676] dump_stack+0x1c/0x5c [ 81.301597][ T5676] should_fail+0x3c0/0x51c [ 81.302267][ T5676] __should_failslab+0xbc/0x10c [ 81.303037][ T5676] should_failslab+0x10/0x28 [ 81.303825][ T5676] slab_pre_alloc_hook+0x64/0xec [ 81.304667][ T5676] kmem_cache_alloc+0x94/0x3e4 [ 81.305486][ T5676] btrfs_alloc_path+0x5c/0x68 [ 81.306245][ T5676] btrfs_insert_dir_item+0x16c/0x3b8 [ 81.307172][ T5676] btrfs_add_link+0x294/0xa68 [ 81.307978][ T5676] btrfs_create+0x45c/0x508 [ 81.308653][ T5676] path_openat+0x1144/0x26e4 [ 81.309402][ T5676] do_filp_open+0x164/0x330 [ 81.310094][ T5676] do_sys_openat2+0x128/0x3d8 [ 81.310882][ T5676] __arm64_sys_openat+0x120/0x154 [ 81.311690][ T5676] invoke_syscall+0x98/0x2b8 [ 81.312418][ T5676] el0_svc_common+0x138/0x258 [ 81.313219][ T5676] do_el0_svc+0x58/0x14c [ 81.313911][ T5676] el0_svc+0x78/0x1e0 [ 81.314550][ T5676] el0t_64_sync_handler+0xcc/0xe4 [ 81.315358][ T5676] el0t_64_sync+0x1a0/0x1a4 [ 81.316924][ T5676] ------------[ cut here ]------------ [ 81.317873][ T5676] WARNING: CPU: 0 PID: 5676 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 81.319198][ T5676] Modules linked in: [ 81.319839][ T5676] CPU: 0 PID: 5676 Comm: syz.0.48 Tainted: G W syzkaller #0 [ 81.321118][ T5676] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 81.322709][ T5676] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 81.323950][ T5676] pc : btrfs_add_link+0x6e8/0xa68 [ 81.324732][ T5676] lr : btrfs_add_link+0x6e8/0xa68 [ 81.325503][ T5676] sp : ffff8000225a7580 [ 81.326097][ T5676] x29: ffff8000225a7680 x28: ffff0000dec20580 x27: 0000000000000108 [ 81.327339][ T5676] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 81.328755][ T5676] x23: 0000000000000014 x22: 1fffe0001bd840bb x21: ffff7000044b4eb8 [ 81.330107][ T5676] x20: 00000000fffffff4 x19: ffff0000dec205d8 x18: 0000000000000001 [ 81.331492][ T5676] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 81.332903][ T5676] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 81.334321][ T5676] x11: 0000000000000000 x10: 0000000000000000 x9 : 93b3120d3741b700 [ 81.335608][ T5676] x8 : 93b3120d3741b700 x7 : 0000000000000001 x6 : 0000000000000001 [ 81.336862][ T5676] x5 : ffff8000225a6e78 x4 : ffff80001425f420 x3 : ffff800008504400 [ 81.338091][ T5676] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 81.339271][ T5676] Call trace: [ 81.339773][ T5676] btrfs_add_link+0x6e8/0xa68 [ 81.340539][ T5676] btrfs_create+0x45c/0x508 [ 81.341243][ T5676] path_openat+0x1144/0x26e4 [ 81.341971][ T5676] do_filp_open+0x164/0x330 [ 81.342732][ T5676] do_sys_openat2+0x128/0x3d8 [ 81.343462][ T5676] __arm64_sys_openat+0x120/0x154 [ 81.344253][ T5676] invoke_syscall+0x98/0x2b8 [ 81.345059][ T5676] el0_svc_common+0x138/0x258 [ 81.345890][ T5676] do_el0_svc+0x58/0x14c [ 81.346602][ T5676] el0_svc+0x78/0x1e0 [ 81.347216][ T5676] el0t_64_sync_handler+0xcc/0xe4 [ 81.348073][ T5676] el0t_64_sync+0x1a0/0x1a4 [ 81.348843][ T5676] irq event stamp: 82074 [ 81.349545][ T5676] hardirqs last enabled at (82073): [] __up_console_sem+0xb4/0x100 [ 81.351055][ T5676] hardirqs last disabled at (82074): [] el1_dbg+0x24/0x80 [ 81.352385][ T5676] softirqs last enabled at (82054): [] handle_softirqs+0xa4c/0xbf0 [ 81.353814][ T5676] softirqs last disabled at (82027): [] __irq_exit_rcu+0x240/0x440 [ 81.355308][ T5676] ---[ end trace 03819c0c8a49ca06 ]--- [ 81.356639][ T5676] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory