Warning: Permanently added '10.128.1.18' (ED25519) to the list of known hosts. 1970/01/01 00:01:01 ignoring optional flag "type"="gce" 1970/01/01 00:01:01 parsed 1 programs [ 62.671740][ T4402] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 64.029814][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 64.031196][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 64.032826][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 64.042615][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 64.043971][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 64.045596][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 64.220683][ T4542] chnl_net:caif_netlink_parms(): no params data found [ 64.242520][ T4542] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.243692][ T4542] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.245225][ T4542] device bridge_slave_0 entered promiscuous mode [ 64.247240][ T4542] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.248395][ T4542] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.250019][ T4542] device bridge_slave_1 entered promiscuous mode [ 64.257992][ T4542] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.260954][ T4542] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.270248][ T4542] team0: Port device team_slave_0 added [ 64.273613][ T4542] team0: Port device team_slave_1 added [ 64.281402][ T4542] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 64.282489][ T4542] 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. [ 64.286329][ T4542] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 64.288845][ T4542] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 64.290278][ T4542] 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. [ 64.294296][ T4542] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 64.350381][ T4542] device hsr_slave_0 entered promiscuous mode [ 64.409481][ T4542] device hsr_slave_1 entered promiscuous mode [ 65.098889][ T4542] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 65.143069][ T4542] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 65.191222][ T4542] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 65.230963][ T4542] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 65.296032][ T4542] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.300650][ T440] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.302284][ T440] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.305004][ T4542] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.307514][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.309149][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.311633][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.312788][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.316901][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.322447][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.324034][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.325508][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.326657][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.341068][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.344241][ T440] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.347007][ T440] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.349003][ T440] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.352119][ T440] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.359973][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.361700][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.363303][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.364924][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.366342][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.367760][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.374718][ T4542] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.422576][ T4542] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.424334][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.425632][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 65.460293][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 65.461947][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 65.467417][ T440] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 65.468943][ T440] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 65.471591][ T440] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 65.472939][ T440] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 65.476554][ T4542] device veth0_vlan entered promiscuous mode [ 65.480446][ T4542] device veth1_vlan entered promiscuous mode [ 65.491077][ T440] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 65.492567][ T440] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 65.494065][ T440] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 65.495627][ T440] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 65.497978][ T4542] device veth0_macvtap entered promiscuous mode [ 65.501108][ T4542] device veth1_macvtap entered promiscuous mode [ 65.508735][ T4542] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 65.511061][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 65.512700][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 65.514270][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 65.515874][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 65.518669][ T4542] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 65.522483][ T4542] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.523868][ T4542] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.525237][ T4542] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.526564][ T4542] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.528889][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 65.533709][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 1970/01/01 00:01:05 executed programs: 0 [ 65.932588][ T4719] chnl_net:caif_netlink_parms(): no params data found [ 65.965426][ T4719] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.966610][ T4719] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.968208][ T4719] device bridge_slave_0 entered promiscuous mode [ 65.971231][ T4719] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.972415][ T4719] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.973986][ T4719] device bridge_slave_1 entered promiscuous mode [ 65.984975][ T4719] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.987571][ T4719] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.997404][ T4719] team0: Port device team_slave_0 added [ 66.000360][ T4719] team0: Port device team_slave_1 added [ 66.007385][ T4719] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 66.008483][ T4719] 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. [ 66.013188][ T4719] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 66.015720][ T4719] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 66.016814][ T4719] 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. [ 66.021279][ T4719] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 66.070634][ T4719] device hsr_slave_0 entered promiscuous mode [ 66.109596][ T4719] device hsr_slave_1 entered promiscuous mode [ 66.149542][ T4719] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.150850][ T4719] Cannot create hsr debugfs directory [ 66.184669][ T4719] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 67.929297][ T4169] Bluetooth: hci0: command 0x0409 tx timeout [ 68.963391][ T4719] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 69.601150][ T1542] cfg80211: failed to load regulatory.db [ 69.603197][ T2065] ieee802154 phy0 wpan0: encryption failed: -22 [ 69.604277][ T2065] ieee802154 phy1 wpan1: encryption failed: -22 [ 69.999354][ T1542] Bluetooth: hci0: command 0x041b tx timeout [ 71.732832][ T4719] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 71.773987][ T4719] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 71.942015][ T4719] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 71.971091][ T4719] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 72.001117][ T4719] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 72.041140][ T4719] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 72.079388][ T4913] Bluetooth: hci0: command 0x040f tx timeout [ 72.122507][ T4719] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.126485][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 72.128048][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.132017][ T4719] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.134489][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.136049][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.137538][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.138664][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.140222][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 72.142985][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.144517][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.145968][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.147017][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.162173][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 72.164928][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 72.167663][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 72.171647][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 72.173362][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 72.176058][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 72.177706][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 72.181062][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 72.182655][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 72.185859][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 72.187377][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 72.190143][ T4719] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 72.230251][ T440] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 72.231550][ T440] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 72.234703][ T4719] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 72.241791][ T440] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 72.243464][ T440] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 72.250985][ T440] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 72.252619][ T440] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 72.254220][ T440] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 72.255552][ T440] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 72.257827][ T4719] device veth0_vlan entered promiscuous mode [ 72.263675][ T4719] device veth1_vlan entered promiscuous mode [ 72.271765][ T440] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 72.273322][ T440] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 72.274869][ T440] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 72.276446][ T440] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 72.278842][ T4719] device veth0_macvtap entered promiscuous mode [ 72.281742][ T4719] device veth1_macvtap entered promiscuous mode [ 72.286655][ T4719] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 72.288306][ T4719] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 72.290666][ T4719] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 72.291900][ T440] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 72.293419][ T440] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 72.294801][ T440] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 72.296372][ T440] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 72.298719][ T4719] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 72.300734][ T4719] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 72.302782][ T4719] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 72.304028][ T440] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 72.305581][ T440] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 72.308114][ T4719] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.310524][ T4719] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.311814][ T4719] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.313155][ T4719] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.342577][ T440] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 72.346806][ T440] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 72.348791][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 72.351935][ T440] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 72.353144][ T440] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 72.354771][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:01:12 executed programs: 2 [ 72.466015][ T4927] loop0: detected capacity change from 0 to 32768 [ 72.516323][ T4927] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.15 (4927) [ 72.523518][ T4927] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 72.524996][ T4927] BTRFS info (device loop0): setting nodatacow, compression disabled [ 72.526315][ T4927] BTRFS info (device loop0): setting datacow [ 72.527208][ T4927] BTRFS info (device loop0): doing ref verification [ 72.528309][ T4927] BTRFS info (device loop0): force clearing of disk cache [ 72.530427][ T4927] BTRFS info (device loop0): turning off barriers [ 72.531509][ T4927] BTRFS info (device loop0): use zlib compression, level 3 [ 72.532832][ T4927] BTRFS info (device loop0): using free space tree [ 72.533944][ T4927] BTRFS info (device loop0): has skinny extents [ 72.546052][ T4927] BTRFS info (device loop0): clearing free space tree [ 72.547361][ T4927] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 72.548998][ T4927] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 72.562190][ T4927] BTRFS info (device loop0): creating free space tree [ 72.564022][ T4927] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 72.565569][ T4927] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 72.578039][ T4927] FAULT_INJECTION: forcing a failure. [ 72.578039][ T4927] name failslab, interval 1, probability 0, space 0, times 1 [ 72.580452][ T4927] CPU: 1 PID: 4927 Comm: syz.0.15 Not tainted syzkaller #0 [ 72.581586][ T4927] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 72.583110][ T4927] Call trace: [ 72.583564][ T4927] dump_backtrace+0x0/0x43c [ 72.584250][ T4927] show_stack+0x2c/0x3c [ 72.584868][ T4927] __dump_stack+0x30/0x40 [ 72.585511][ T4927] dump_stack_lvl+0xf8/0x160 [ 72.586161][ T4927] dump_stack+0x1c/0x5c [ 72.586769][ T4927] should_fail+0x3c0/0x51c [ 72.587487][ T4927] __should_failslab+0xbc/0x10c [ 72.588233][ T4927] should_failslab+0x10/0x28 [ 72.588996][ T4927] slab_pre_alloc_hook+0x64/0xec [ 72.589837][ T4927] kmem_cache_alloc+0x94/0x3e4 [ 72.590658][ T4927] btrfs_alloc_path+0x5c/0x68 [ 72.591376][ T4927] btrfs_insert_dir_item+0x16c/0x3b8 [ 72.592238][ T4927] btrfs_add_link+0x294/0xa68 [ 72.593035][ T4927] btrfs_create+0x45c/0x508 [ 72.593737][ T4927] path_openat+0x1144/0x26e4 [ 72.594480][ T4927] do_filp_open+0x164/0x330 [ 72.595192][ T4927] do_sys_openat2+0x128/0x3d8 [ 72.595958][ T4927] __arm64_sys_openat+0x120/0x154 [ 72.596730][ T4927] invoke_syscall+0x98/0x2b8 [ 72.597456][ T4927] el0_svc_common+0x138/0x258 [ 72.598105][ T4927] do_el0_svc+0x58/0x14c [ 72.598746][ T4927] el0_svc+0x78/0x1e0 [ 72.599371][ T4927] el0t_64_sync_handler+0xcc/0xe4 [ 72.600135][ T4927] el0t_64_sync+0x1a0/0x1a4 [ 72.601963][ T4927] ------------[ cut here ]------------ [ 72.602876][ T4927] WARNING: CPU: 1 PID: 4927 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 72.604291][ T4927] Modules linked in: [ 72.604902][ T4927] CPU: 1 PID: 4927 Comm: syz.0.15 Not tainted syzkaller #0 [ 72.605978][ T4927] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 72.607396][ T4927] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 72.608565][ T4927] pc : btrfs_add_link+0x6e8/0xa68 [ 72.609324][ T4927] lr : btrfs_add_link+0x6e8/0xa68 [ 72.610137][ T4927] sp : ffff80001fcb7580 [ 72.610820][ T4927] x29: ffff80001fcb7680 x28: ffff0000deaaa160 x27: 0000000000000108 [ 72.612200][ T4927] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 72.613524][ T4927] x23: 0000000000000014 x22: 1fffe0001bd55437 x21: ffff700003f96eb8 [ 72.614918][ T4927] x20: 00000000fffffff4 x19: ffff0000deaaa1b8 x18: 0000000000000001 [ 72.616284][ T4927] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 72.617642][ T4927] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 72.619014][ T4927] x11: 0000000000000000 x10: 0000000000000000 x9 : c722a45b7fb12400 [ 72.620319][ T4927] x8 : c722a45b7fb12400 x7 : 0000000000000001 x6 : 0000000000000001 [ 72.621639][ T4927] x5 : ffff80001fcb6e78 x4 : ffff80001425f420 x3 : ffff800008504400 [ 72.622921][ T4927] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 72.624249][ T4927] Call trace: [ 72.624812][ T4927] btrfs_add_link+0x6e8/0xa68 [ 72.625583][ T4927] btrfs_create+0x45c/0x508 [ 72.626309][ T4927] path_openat+0x1144/0x26e4 [ 72.627087][ T4927] do_filp_open+0x164/0x330 [ 72.627849][ T4927] do_sys_openat2+0x128/0x3d8 [ 72.628657][ T4927] __arm64_sys_openat+0x120/0x154 [ 72.629437][ T4927] invoke_syscall+0x98/0x2b8 [ 72.630120][ T4927] el0_svc_common+0x138/0x258 [ 72.630825][ T4927] do_el0_svc+0x58/0x14c [ 72.631544][ T4927] el0_svc+0x78/0x1e0 [ 72.632189][ T4927] el0t_64_sync_handler+0xcc/0xe4 [ 72.633055][ T4927] el0t_64_sync+0x1a0/0x1a4 [ 72.633771][ T4927] irq event stamp: 84104 [ 72.634441][ T4927] hardirqs last enabled at (84103): [] __up_console_sem+0xb4/0x100 [ 72.635814][ T4927] hardirqs last disabled at (84104): [] el1_dbg+0x24/0x80 [ 72.637230][ T4927] softirqs last enabled at (84084): [] handle_softirqs+0xa4c/0xbf0 [ 72.638811][ T4927] softirqs last disabled at (83843): [] __irq_exit_rcu+0x240/0x440 [ 72.640289][ T4927] ---[ end trace 9ae2f55a585c3a6c ]--- [ 72.642103][ T4927] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 72.643605][ T4927] BTRFS info (device loop0): forced readonly [ 72.851156][ T4952] loop0: detected capacity change from 0 to 32768 [ 72.855827][ T4952] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.16 (4952) [ 72.859665][ T4952] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 72.860954][ T4952] BTRFS info (device loop0): setting nodatacow, compression disabled [ 72.862313][ T4952] BTRFS info (device loop0): setting datacow [ 72.863279][ T4952] BTRFS info (device loop0): doing ref verification [ 72.864387][ T4952] BTRFS info (device loop0): force clearing of disk cache [ 72.865573][ T4952] BTRFS info (device loop0): turning off barriers [ 72.866684][ T4952] BTRFS info (device loop0): use zlib compression, level 3 [ 72.867824][ T4952] BTRFS info (device loop0): using free space tree [ 72.868808][ T4952] BTRFS info (device loop0): has skinny extents [ 72.877925][ T4952] BTRFS info (device loop0): clearing free space tree [ 72.879053][ T4952] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 72.882164][ T4952] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 72.886092][ T4952] BTRFS info (device loop0): creating free space tree [ 72.887784][ T4952] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 72.890569][ T4952] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 72.895459][ T4952] FAULT_INJECTION: forcing a failure. [ 72.895459][ T4952] name failslab, interval 1, probability 0, space 0, times 0 [ 72.897520][ T4952] CPU: 1 PID: 4952 Comm: syz.0.16 Tainted: G W syzkaller #0 [ 72.898803][ T4952] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 72.900399][ T4952] Call trace: [ 72.900931][ T4952] dump_backtrace+0x0/0x43c [ 72.901593][ T4952] show_stack+0x2c/0x3c [ 72.902215][ T4952] __dump_stack+0x30/0x40 [ 72.902861][ T4952] dump_stack_lvl+0xf8/0x160 [ 72.903528][ T4952] dump_stack+0x1c/0x5c [ 72.904127][ T4952] should_fail+0x3c0/0x51c [ 72.904786][ T4952] __should_failslab+0xbc/0x10c [ 72.905461][ T4952] should_failslab+0x10/0x28 [ 72.906210][ T4952] slab_pre_alloc_hook+0x64/0xec [ 72.907044][ T4952] kmem_cache_alloc+0x94/0x3e4 [ 72.907833][ T4952] btrfs_alloc_path+0x5c/0x68 [ 72.908611][ T4952] btrfs_insert_dir_item+0x16c/0x3b8 [ 72.909514][ T4952] btrfs_add_link+0x294/0xa68 [ 72.910312][ T4952] btrfs_create+0x45c/0x508 [ 72.911117][ T4952] path_openat+0x1144/0x26e4 [ 72.911861][ T4952] do_filp_open+0x164/0x330 [ 72.912571][ T4952] do_sys_openat2+0x128/0x3d8 [ 72.913283][ T4952] __arm64_sys_openat+0x120/0x154 [ 72.914099][ T4952] invoke_syscall+0x98/0x2b8 [ 72.914843][ T4952] el0_svc_common+0x138/0x258 [ 72.915607][ T4952] do_el0_svc+0x58/0x14c [ 72.916323][ T4952] el0_svc+0x78/0x1e0 [ 72.916988][ T4952] el0t_64_sync_handler+0xcc/0xe4 [ 72.917841][ T4952] el0t_64_sync+0x1a0/0x1a4 [ 72.920302][ T4952] ------------[ cut here ]------------ [ 72.921228][ T4952] WARNING: CPU: 1 PID: 4952 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 72.922474][ T4952] Modules linked in: [ 72.923057][ T4952] CPU: 1 PID: 4952 Comm: syz.0.16 Tainted: G W syzkaller #0 [ 72.924264][ T4952] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 72.925743][ T4952] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 72.927045][ T4952] pc : btrfs_add_link+0x6e8/0xa68 [ 72.927858][ T4952] lr : btrfs_add_link+0x6e8/0xa68 [ 72.928672][ T4952] sp : ffff80001fe47580 [ 72.929381][ T4952] x29: ffff80001fe47680 x28: ffff0000deaaa420 x27: 0000000000000108 [ 72.930752][ T4952] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 72.932108][ T4952] x23: 0000000000000014 x22: 1fffe0001bd5548f x21: ffff700003fc8eb8 [ 72.933458][ T4952] x20: 00000000fffffff4 x19: ffff0000deaaa478 x18: 0000000000000001 [ 72.934792][ T4952] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 72.936076][ T4952] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 72.937333][ T4952] x11: 0000000000000000 x10: 0000000000000000 x9 : 32f813a88d646100 [ 72.938588][ T4952] x8 : 32f813a88d646100 x7 : 0000000000000001 x6 : 0000000000000001 [ 72.939801][ T4952] x5 : ffff80001fe46e78 x4 : ffff80001425f420 x3 : ffff800008504400 [ 72.941030][ T4952] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 72.942237][ T4952] Call trace: [ 72.942716][ T4952] btrfs_add_link+0x6e8/0xa68 [ 72.943442][ T4952] btrfs_create+0x45c/0x508 [ 72.944151][ T4952] path_openat+0x1144/0x26e4 [ 72.944821][ T4952] do_filp_open+0x164/0x330 [ 72.945521][ T4952] do_sys_openat2+0x128/0x3d8 [ 72.946331][ T4952] __arm64_sys_openat+0x120/0x154 [ 72.947220][ T4952] invoke_syscall+0x98/0x2b8 [ 72.948022][ T4952] el0_svc_common+0x138/0x258 [ 72.948772][ T4952] do_el0_svc+0x58/0x14c [ 72.949530][ T4952] el0_svc+0x78/0x1e0 [ 72.950233][ T4952] el0t_64_sync_handler+0xcc/0xe4 [ 72.951091][ T4952] el0t_64_sync+0x1a0/0x1a4 [ 72.951855][ T4952] irq event stamp: 81924 [ 72.952581][ T4952] hardirqs last enabled at (81923): [] __up_console_sem+0xb4/0x100 [ 72.954086][ T4952] hardirqs last disabled at (81924): [] el1_dbg+0x24/0x80 [ 72.955498][ T4952] softirqs last enabled at (81904): [] handle_softirqs+0xa4c/0xbf0 [ 72.957018][ T4952] softirqs last disabled at (81827): [] __irq_exit_rcu+0x240/0x440 [ 72.958441][ T4952] ---[ end trace 9ae2f55a585c3a6d ]--- [ 72.961270][ T4952] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 72.962740][ T4952] BTRFS info (device loop0): forced readonly [ 73.140735][ T4973] loop0: detected capacity change from 0 to 32768 [ 73.146683][ T4973] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.17 (4973) [ 73.151279][ T4973] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 73.152601][ T4973] BTRFS info (device loop0): setting nodatacow, compression disabled [ 73.153881][ T4973] BTRFS info (device loop0): setting datacow [ 73.154862][ T4973] BTRFS info (device loop0): doing ref verification [ 73.155944][ T4973] BTRFS info (device loop0): force clearing of disk cache [ 73.157082][ T4973] BTRFS info (device loop0): turning off barriers [ 73.158184][ T4973] BTRFS info (device loop0): use zlib compression, level 3 [ 73.159536][ T4973] BTRFS info (device loop0): using free space tree [ 73.160600][ T4973] BTRFS info (device loop0): has skinny extents [ 73.168729][ T4973] BTRFS info (device loop0): clearing free space tree [ 73.170033][ T4973] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 73.171434][ T4973] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 73.174526][ T4973] BTRFS info (device loop0): creating free space tree [ 73.175909][ T4973] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 73.177315][ T4973] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 73.183238][ T4973] FAULT_INJECTION: forcing a failure. [ 73.183238][ T4973] name failslab, interval 1, probability 0, space 0, times 0 [ 73.185066][ T4973] CPU: 1 PID: 4973 Comm: syz.0.17 Tainted: G W syzkaller #0 [ 73.186272][ T4973] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 73.187674][ T4973] Call trace: [ 73.188178][ T4973] dump_backtrace+0x0/0x43c [ 73.188861][ T4973] show_stack+0x2c/0x3c [ 73.189470][ T4973] __dump_stack+0x30/0x40 [ 73.190145][ T4973] dump_stack_lvl+0xf8/0x160 [ 73.190891][ T4973] dump_stack+0x1c/0x5c [ 73.191543][ T4973] should_fail+0x3c0/0x51c [ 73.192245][ T4973] __should_failslab+0xbc/0x10c [ 73.192930][ T4973] should_failslab+0x10/0x28 [ 73.193708][ T4973] slab_pre_alloc_hook+0x64/0xec [ 73.194532][ T4973] kmem_cache_alloc+0x94/0x3e4 [ 73.195270][ T4973] btrfs_alloc_path+0x5c/0x68 [ 73.196026][ T4973] btrfs_insert_dir_item+0x16c/0x3b8 [ 73.196949][ T4973] btrfs_add_link+0x294/0xa68 [ 73.197732][ T4973] btrfs_create+0x45c/0x508 [ 73.198482][ T4973] path_openat+0x1144/0x26e4 [ 73.199263][ T4973] do_filp_open+0x164/0x330 [ 73.200033][ T4973] do_sys_openat2+0x128/0x3d8 [ 73.200820][ T4973] __arm64_sys_openat+0x120/0x154 [ 73.201631][ T4973] invoke_syscall+0x98/0x2b8 [ 73.202318][ T4973] el0_svc_common+0x138/0x258 [ 73.203051][ T4973] do_el0_svc+0x58/0x14c [ 73.203701][ T4973] el0_svc+0x78/0x1e0 [ 73.204316][ T4973] el0t_64_sync_handler+0xcc/0xe4 [ 73.205083][ T4973] el0t_64_sync+0x1a0/0x1a4 [ 73.207801][ T4973] ------------[ cut here ]------------ [ 73.208805][ T4973] WARNING: CPU: 1 PID: 4973 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 73.210187][ T4973] Modules linked in: [ 73.210753][ T4973] CPU: 1 PID: 4973 Comm: syz.0.17 Tainted: G W syzkaller #0 [ 73.212018][ T4973] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 73.213560][ T4973] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 73.214734][ T4973] pc : btrfs_add_link+0x6e8/0xa68 [ 73.215462][ T4973] lr : btrfs_add_link+0x6e8/0xa68 [ 73.216202][ T4973] sp : ffff80001fcb7580 [ 73.216783][ T4973] x29: ffff80001fcb7680 x28: ffff0000deaaa6e0 x27: 0000000000000108 [ 73.218001][ T4973] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 73.219263][ T4973] x23: 0000000000000014 x22: 1fffe0001bd554e7 x21: ffff700003f96eb8 [ 73.220621][ T4973] x20: 00000000fffffff4 x19: ffff0000deaaa738 x18: 0000000000000001 [ 73.222012][ T4973] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 73.223297][ T4973] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 73.224535][ T4973] x11: 0000000000000000 x10: 0000000000000000 x9 : dc76c5d463e00300 [ 73.225806][ T4973] x8 : dc76c5d463e00300 x7 : 0000000000000001 x6 : 0000000000000001 [ 73.226984][ T4973] x5 : ffff80001fcb6e78 x4 : ffff80001425f420 x3 : ffff800008504400 [ 73.228272][ T4973] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 73.229602][ T4973] Call trace: [ 73.230122][ T4973] btrfs_add_link+0x6e8/0xa68 [ 73.230915][ T4973] btrfs_create+0x45c/0x508 [ 73.231632][ T4973] path_openat+0x1144/0x26e4 [ 73.232337][ T4973] do_filp_open+0x164/0x330 [ 73.233026][ T4973] do_sys_openat2+0x128/0x3d8 [ 73.233731][ T4973] __arm64_sys_openat+0x120/0x154 [ 73.234475][ T4973] invoke_syscall+0x98/0x2b8 [ 73.235234][ T4973] el0_svc_common+0x138/0x258 [ 73.235965][ T4973] do_el0_svc+0x58/0x14c [ 73.236640][ T4973] el0_svc+0x78/0x1e0 [ 73.237293][ T4973] el0t_64_sync_handler+0xcc/0xe4 [ 73.238110][ T4973] el0t_64_sync+0x1a0/0x1a4 [ 73.238796][ T4973] irq event stamp: 82240 [ 73.239436][ T4973] hardirqs last enabled at (82239): [] __up_console_sem+0xb4/0x100 [ 73.241099][ T4973] hardirqs last disabled at (82240): [] el1_dbg+0x24/0x80 [ 73.242530][ T4973] softirqs last enabled at (82220): [] handle_softirqs+0xa4c/0xbf0 [ 73.244066][ T4973] softirqs last disabled at (82191): [] __irq_exit_rcu+0x240/0x440 [ 73.245598][ T4973] ---[ end trace 9ae2f55a585c3a6e ]--- [ 73.247192][ T4973] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 73.248640][ T4973] BTRFS info (device loop0): forced readonly [ 73.449155][ T4995] loop0: detected capacity change from 0 to 32768 [ 73.495358][ T4995] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.18 (4995) [ 73.500317][ T4995] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 73.501641][ T4995] BTRFS info (device loop0): setting nodatacow, compression disabled [ 73.502895][ T4995] BTRFS info (device loop0): setting datacow [ 73.503830][ T4995] BTRFS info (device loop0): doing ref verification [ 73.504878][ T4995] BTRFS info (device loop0): force clearing of disk cache [ 73.505968][ T4995] BTRFS info (device loop0): turning off barriers [ 73.507018][ T4995] BTRFS info (device loop0): use zlib compression, level 3 [ 73.508151][ T4995] BTRFS info (device loop0): using free space tree [ 73.512608][ T4995] BTRFS info (device loop0): has skinny extents [ 73.521383][ T4995] BTRFS info (device loop0): clearing free space tree [ 73.522510][ T4995] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 73.524138][ T4995] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 73.527801][ T4995] BTRFS info (device loop0): creating free space tree [ 73.529231][ T4995] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 73.531063][ T4995] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 73.535559][ T4995] FAULT_INJECTION: forcing a failure. [ 73.535559][ T4995] name failslab, interval 1, probability 0, space 0, times 0 [ 73.537597][ T4995] CPU: 1 PID: 4995 Comm: syz.0.18 Tainted: G W syzkaller #0 [ 73.538878][ T4995] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 73.540392][ T4995] Call trace: [ 73.540971][ T4995] dump_backtrace+0x0/0x43c [ 73.541704][ T4995] show_stack+0x2c/0x3c [ 73.542370][ T4995] __dump_stack+0x30/0x40 [ 73.543145][ T4995] dump_stack_lvl+0xf8/0x160 [ 73.543969][ T4995] dump_stack+0x1c/0x5c [ 73.544704][ T4995] should_fail+0x3c0/0x51c [ 73.545426][ T4995] __should_failslab+0xbc/0x10c [ 73.546270][ T4995] should_failslab+0x10/0x28 [ 73.547022][ T4995] slab_pre_alloc_hook+0x64/0xec [ 73.547833][ T4995] kmem_cache_alloc+0x94/0x3e4 [ 73.548655][ T4995] btrfs_alloc_path+0x5c/0x68 [ 73.549399][ T4995] btrfs_insert_dir_item+0x16c/0x3b8 [ 73.550226][ T4995] btrfs_add_link+0x294/0xa68 [ 73.550942][ T4995] btrfs_create+0x45c/0x508 [ 73.551684][ T4995] path_openat+0x1144/0x26e4 [ 73.552464][ T4995] do_filp_open+0x164/0x330 [ 73.553215][ T4995] do_sys_openat2+0x128/0x3d8 [ 73.553929][ T4995] __arm64_sys_openat+0x120/0x154 [ 73.554704][ T4995] invoke_syscall+0x98/0x2b8 [ 73.555434][ T4995] el0_svc_common+0x138/0x258 [ 73.556140][ T4995] do_el0_svc+0x58/0x14c [ 73.556787][ T4995] el0_svc+0x78/0x1e0 [ 73.557402][ T4995] el0t_64_sync_handler+0xcc/0xe4 [ 73.558155][ T4995] el0t_64_sync+0x1a0/0x1a4 [ 73.559040][ T4995] ------------[ cut here ]------------ [ 73.560081][ T4995] WARNING: CPU: 1 PID: 4995 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 73.561349][ T4995] Modules linked in: [ 73.561930][ T4995] CPU: 1 PID: 4995 Comm: syz.0.18 Tainted: G W syzkaller #0 [ 73.563243][ T4995] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 73.564754][ T4995] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 73.565946][ T4995] pc : btrfs_add_link+0x6e8/0xa68 [ 73.566669][ T4995] lr : btrfs_add_link+0x6e8/0xa68 [ 73.567407][ T4995] sp : ffff800020157580 [ 73.568013][ T4995] x29: ffff800020157680 x28: ffff0000deaaa9a0 x27: 0000000000000108 [ 73.569199][ T4995] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 73.570423][ T4995] x23: 0000000000000014 x22: 1fffe0001bd5553f x21: ffff70000402aeb8 [ 73.571647][ T4995] x20: 00000000fffffff4 x19: ffff0000deaaa9f8 x18: 0000000000000001 [ 73.572859][ T4995] x17: 0000000000000000 x16: ffff800008302168 x15: 00000000ffffffff [ 73.574098][ T4995] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 73.575327][ T4995] x11: 0000000000000000 x10: 0000000000000000 x9 : 5eec3c165e252900 [ 73.576528][ T4995] x8 : 5eec3c165e252900 x7 : 0000000000000001 x6 : 0000000000000001 [ 73.577790][ T4995] x5 : ffff800020156e78 x4 : ffff80001425f420 x3 : ffff800008302278 [ 73.579019][ T4995] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 73.580276][ T4995] Call trace: [ 73.580763][ T4995] btrfs_add_link+0x6e8/0xa68 [ 73.581520][ T4995] btrfs_create+0x45c/0x508 [ 73.582169][ T4995] path_openat+0x1144/0x26e4 [ 73.582972][ T4995] do_filp_open+0x164/0x330 [ 73.583765][ T4995] do_sys_openat2+0x128/0x3d8 [ 73.584601][ T4995] __arm64_sys_openat+0x120/0x154 [ 73.585493][ T4995] invoke_syscall+0x98/0x2b8 [ 73.586192][ T4995] el0_svc_common+0x138/0x258 [ 73.587001][ T4995] do_el0_svc+0x58/0x14c [ 73.587722][ T4995] el0_svc+0x78/0x1e0 [ 73.588366][ T4995] el0t_64_sync_handler+0xcc/0xe4 [ 73.589221][ T4995] el0t_64_sync+0x1a0/0x1a4 [ 73.589948][ T4995] irq event stamp: 81702 [ 73.590615][ T4995] hardirqs last enabled at (81701): [] __up_console_sem+0xb4/0x100 [ 73.592251][ T4995] hardirqs last disabled at (81702): [] el1_dbg+0x24/0x80 [ 73.593651][ T4995] softirqs last enabled at (81692): [] handle_softirqs+0xa4c/0xbf0 [ 73.595305][ T4995] softirqs last disabled at (81633): [] __irq_exit_rcu+0x240/0x440 [ 73.596923][ T4995] ---[ end trace 9ae2f55a585c3a6f ]--- [ 73.598097][ T4995] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 73.600961][ T4995] BTRFS info (device loop0): forced readonly [ 73.612327][ T1047] device hsr_slave_0 left promiscuous mode [ 73.651284][ T1047] device hsr_slave_1 left promiscuous mode [ 73.719396][ T1047] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 73.720630][ T1047] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 73.722603][ T1047] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 73.723722][ T1047] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 73.725073][ T1047] device bridge_slave_1 left promiscuous mode [ 73.726059][ T1047] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.749851][ T1047] device bridge_slave_0 left promiscuous mode [ 73.750877][ T1047] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.766659][ T5026] loop0: detected capacity change from 0 to 32768 [ 73.775306][ T5026] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.19 (5026) [ 73.779570][ T5026] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 73.781043][ T5026] BTRFS info (device loop0): setting nodatacow, compression disabled [ 73.782354][ T5026] BTRFS info (device loop0): setting datacow [ 73.783320][ T5026] BTRFS info (device loop0): doing ref verification [ 73.784328][ T5026] BTRFS info (device loop0): force clearing of disk cache [ 73.785316][ T5026] BTRFS info (device loop0): turning off barriers [ 73.786296][ T5026] BTRFS info (device loop0): use zlib compression, level 3 [ 73.787488][ T5026] BTRFS info (device loop0): using free space tree [ 73.788526][ T5026] BTRFS info (device loop0): has skinny extents [ 73.797426][ T5026] BTRFS info (device loop0): clearing free space tree [ 73.798682][ T5026] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 73.803688][ T5026] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 73.807087][ T5026] BTRFS info (device loop0): creating free space tree [ 73.808539][ T5026] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 73.811584][ T5026] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 73.816008][ T5026] FAULT_INJECTION: forcing a failure. [ 73.816008][ T5026] name failslab, interval 1, probability 0, space 0, times 0 [ 73.818128][ T5026] CPU: 0 PID: 5026 Comm: syz.0.19 Tainted: G W syzkaller #0 [ 73.819531][ T5026] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 73.821211][ T5026] Call trace: [ 73.821783][ T5026] dump_backtrace+0x0/0x43c [ 73.822572][ T5026] show_stack+0x2c/0x3c [ 73.823258][ T5026] __dump_stack+0x30/0x40 [ 73.824025][ T5026] dump_stack_lvl+0xf8/0x160 [ 73.824772][ T5026] dump_stack+0x1c/0x5c [ 73.825481][ T5026] should_fail+0x3c0/0x51c [ 73.826183][ T5026] __should_failslab+0xbc/0x10c [ 73.827046][ T5026] should_failslab+0x10/0x28 [ 73.827855][ T5026] slab_pre_alloc_hook+0x64/0xec [ 73.828627][ T5026] kmem_cache_alloc+0x94/0x3e4 [ 73.829413][ T5026] btrfs_get_or_create_delayed_node+0x128/0x4c8 [ 73.830409][ T5026] btrfs_delayed_update_inode+0x3c/0x1b7c [ 73.831339][ T5026] btrfs_update_inode+0x210/0x3d4 [ 73.832115][ T5026] btrfs_create+0x360/0x508 [ 73.832839][ T5026] path_openat+0x1144/0x26e4 [ 73.833614][ T5026] do_filp_open+0x164/0x330 [ 73.834381][ T5026] do_sys_openat2+0x128/0x3d8 [ 73.835177][ T5026] __arm64_sys_openat+0x120/0x154 [ 73.836085][ T5026] invoke_syscall+0x98/0x2b8 [ 73.836832][ T5026] el0_svc_common+0x138/0x258 [ 73.837677][ T5026] do_el0_svc+0x58/0x14c [ 73.838390][ T5026] el0_svc+0x78/0x1e0 [ 73.839042][ T5026] el0t_64_sync_handler+0xcc/0xe4 [ 73.839820][ T5026] el0t_64_sync+0x1a0/0x1a4 [ 73.891504][ T1047] device veth1_macvtap left promiscuous mode [ 73.892591][ T1047] device veth0_macvtap left promiscuous mode [ 73.893637][ T1047] device veth1_vlan left promiscuous mode [ 73.894596][ T1047] device veth0_vlan left promiscuous mode [ 74.001829][ T5048] loop0: detected capacity change from 0 to 32768 [ 74.005618][ T5048] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.20 (5048) [ 74.008870][ T5048] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 74.011395][ T5048] BTRFS info (device loop0): setting nodatacow, compression disabled [ 74.012663][ T5048] BTRFS info (device loop0): setting datacow [ 74.013666][ T5048] BTRFS info (device loop0): doing ref verification [ 74.014643][ T5048] BTRFS info (device loop0): force clearing of disk cache [ 74.015714][ T5048] BTRFS info (device loop0): turning off barriers [ 74.016824][ T5048] BTRFS info (device loop0): use zlib compression, level 3 [ 74.018004][ T5048] BTRFS info (device loop0): using free space tree [ 74.019057][ T5048] BTRFS info (device loop0): has skinny extents [ 74.063324][ T1047] team0 (unregistering): Port device team_slave_1 removed [ 74.070652][ T5048] BTRFS info (device loop0): clearing free space tree [ 74.072267][ T5048] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 74.073793][ T5048] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 74.076507][ T1047] team0 (unregistering): Port device team_slave_0 removed [ 74.079213][ T5048] BTRFS info (device loop0): creating free space tree [ 74.081162][ T5048] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 74.082663][ T5048] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 74.084518][ T1047] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 74.088486][ T5048] FAULT_INJECTION: forcing a failure. [ 74.088486][ T5048] name failslab, interval 1, probability 0, space 0, times 0 [ 74.092020][ T5048] CPU: 0 PID: 5048 Comm: syz.0.20 Tainted: G W syzkaller #0 [ 74.093286][ T5048] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 74.094979][ T5048] Call trace: [ 74.095482][ T5048] dump_backtrace+0x0/0x43c [ 74.096183][ T5048] show_stack+0x2c/0x3c [ 74.096858][ T5048] __dump_stack+0x30/0x40 [ 74.097591][ T5048] dump_stack_lvl+0xf8/0x160 [ 74.098328][ T5048] dump_stack+0x1c/0x5c [ 74.098960][ T5048] should_fail+0x3c0/0x51c [ 74.099716][ T5048] __should_failslab+0xbc/0x10c [ 74.100446][ T5048] should_failslab+0x10/0x28 [ 74.101125][ T5048] slab_pre_alloc_hook+0x64/0xec [ 74.101866][ T5048] kmem_cache_alloc+0x94/0x3e4 [ 74.102565][ T5048] btrfs_alloc_path+0x5c/0x68 [ 74.103241][ T5048] btrfs_insert_dir_item+0x16c/0x3b8 [ 74.104053][ T5048] btrfs_add_link+0x294/0xa68 [ 74.104740][ T5048] btrfs_create+0x45c/0x508 [ 74.105480][ T5048] path_openat+0x1144/0x26e4 [ 74.106231][ T5048] do_filp_open+0x164/0x330 [ 74.106969][ T5048] do_sys_openat2+0x128/0x3d8 [ 74.107695][ T5048] __arm64_sys_openat+0x120/0x154 [ 74.108449][ T5048] invoke_syscall+0x98/0x2b8 [ 74.109203][ T5048] el0_svc_common+0x138/0x258 [ 74.109960][ T5048] do_el0_svc+0x58/0x14c [ 74.110629][ T5048] el0_svc+0x78/0x1e0 [ 74.111236][ T5048] el0t_64_sync_handler+0xcc/0xe4 [ 74.112062][ T5048] el0t_64_sync+0x1a0/0x1a4 [ 74.117205][ T1047] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 74.118613][ T5048] ------------[ cut here ]------------ [ 74.119574][ T5048] WARNING: CPU: 0 PID: 5048 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 74.120891][ T5048] Modules linked in: [ 74.121514][ T5048] CPU: 0 PID: 5048 Comm: syz.0.20 Tainted: G W syzkaller #0 [ 74.122834][ T5048] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 74.124392][ T5048] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 74.125567][ T5048] pc : btrfs_add_link+0x6e8/0xa68 [ 74.126331][ T5048] lr : btrfs_add_link+0x6e8/0xa68 [ 74.127066][ T5048] sp : ffff8000202e7580 [ 74.127647][ T5048] x29: ffff8000202e7680 x28: ffff0000dd257580 x27: 0000000000000108 [ 74.128889][ T5048] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 74.130267][ T5048] x23: 0000000000000014 x22: 1fffe0001ba4aebb x21: ffff70000405ceb8 [ 74.131588][ T5048] x20: 00000000fffffff4 x19: ffff0000dd2575d8 x18: 0000000000000001 [ 74.132956][ T5048] x17: 0000000000000000 x16: ffff800008302168 x15: 00000000ffffffff [ 74.134274][ T5048] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 74.135536][ T5048] x11: 0000000000000000 x10: 0000000000000000 x9 : 79c4812ae6d31e00 [ 74.136877][ T5048] x8 : 79c4812ae6d31e00 x7 : 0000000000000001 x6 : 0000000000000001 [ 74.138268][ T5048] x5 : ffff8000202e6e78 x4 : ffff80001425f420 x3 : ffff800008302278 [ 74.139590][ T5048] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 74.140972][ T5048] Call trace: [ 74.141542][ T5048] btrfs_add_link+0x6e8/0xa68 [ 74.142305][ T5048] btrfs_create+0x45c/0x508 [ 74.143062][ T5048] path_openat+0x1144/0x26e4 [ 74.143853][ T5048] do_filp_open+0x164/0x330 [ 74.144592][ T5048] do_sys_openat2+0x128/0x3d8 [ 74.145363][ T5048] __arm64_sys_openat+0x120/0x154 [ 74.146122][ T5048] invoke_syscall+0x98/0x2b8 [ 74.146764][ T5048] el0_svc_common+0x138/0x258 [ 74.147492][ T5048] do_el0_svc+0x58/0x14c [ 74.148146][ T5048] el0_svc+0x78/0x1e0 [ 74.148742][ T5048] el0t_64_sync_handler+0xcc/0xe4 [ 74.149462][ T5048] el0t_64_sync+0x1a0/0x1a4 [ 74.150135][ T5048] irq event stamp: 84238 [ 74.150754][ T5048] hardirqs last enabled at (84237): [] __up_console_sem+0xb4/0x100 [ 74.152137][ T5048] hardirqs last disabled at (84238): [] el1_dbg+0x24/0x80 [ 74.153553][ T5048] softirqs last enabled at (84216): [] handle_softirqs+0xa4c/0xbf0 [ 74.154988][ T5048] softirqs last disabled at (84107): [] __irq_exit_rcu+0x240/0x440 [ 74.156452][ T5048] ---[ end trace 9ae2f55a585c3a70 ]--- [ 74.158216][ T5048] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 74.159429][ T5022] Bluetooth: hci0: command 0x0419 tx timeout [ 74.160043][ T5048] BTRFS info (device loop0): forced readonly [ 74.235217][ T1047] bond0 (unregistering): Released all slaves [ 74.361692][ T5070] loop0: detected capacity change from 0 to 32768 [ 74.368892][ T5070] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.21 (5070) [ 74.373794][ T5070] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 74.375166][ T5070] BTRFS info (device loop0): setting nodatacow, compression disabled [ 74.376406][ T5070] BTRFS info (device loop0): setting datacow [ 74.377292][ T5070] BTRFS info (device loop0): doing ref verification [ 74.378343][ T5070] BTRFS info (device loop0): force clearing of disk cache [ 74.407220][ T5070] FAULT_INJECTION: forcing a failure. [ 74.407220][ T5070] name failslab, interval 1, probability 0, space 0, times 0 [ 74.411207][ T5070] CPU: 0 PID: 5070 Comm: syz.0.21 Tainted: G W syzkaller #0 [ 74.412598][ T5070] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 74.414144][ T5070] Call trace: [ 74.414651][ T5070] dump_backtrace+0x0/0x43c [ 74.415376][ T5070] show_stack+0x2c/0x3c [ 74.416079][ T5070] __dump_stack+0x30/0x40 [ 74.416844][ T5070] dump_stack_lvl+0xf8/0x160 [ 74.417595][ T5070] dump_stack+0x1c/0x5c [ 74.418232][ T5070] should_fail+0x3c0/0x51c [ 74.418913][ T5070] __should_failslab+0xbc/0x10c [ 74.419761][ T5070] should_failslab+0x10/0x28 [ 74.420490][ T5070] slab_pre_alloc_hook+0x64/0xec [ 74.421250][ T5070] kmem_cache_alloc+0x94/0x3e4 [ 74.422023][ T5070] btrfs_alloc_path+0x5c/0x68 [ 74.422774][ T5070] btrfs_insert_dir_item+0x16c/0x3b8 [ 74.423597][ T5070] btrfs_add_link+0x294/0xa68 [ 74.424328][ T5070] btrfs_create+0x45c/0x508 [ 74.425114][ T5070] path_openat+0x1144/0x26e4 [ 74.425858][ T5070] do_filp_open+0x164/0x330 [ 74.426564][ T5070] do_sys_openat2+0x128/0x3d8 [ 74.427264][ T5070] __arm64_sys_openat+0x120/0x154 [ 74.428046][ T5070] invoke_syscall+0x98/0x2b8 [ 74.428772][ T5070] el0_svc_common+0x138/0x258 [ 74.429615][ T5070] do_el0_svc+0x58/0x14c [ 74.430314][ T5070] el0_svc+0x78/0x1e0 [ 74.430901][ T5070] el0t_64_sync_handler+0xcc/0xe4 [ 74.431690][ T5070] el0t_64_sync+0x1a0/0x1a4 [ 74.433980][ T5070] ------------[ cut here ]------------ [ 74.434893][ T5070] WARNING: CPU: 0 PID: 5070 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 74.436276][ T5070] Modules linked in: [ 74.436855][ T5070] CPU: 0 PID: 5070 Comm: syz.0.21 Tainted: G W syzkaller #0 [ 74.438266][ T5070] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 74.439821][ T5070] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 74.440996][ T5070] pc : btrfs_add_link+0x6e8/0xa68 [ 74.441794][ T5070] lr : btrfs_add_link+0x6e8/0xa68 [ 74.442551][ T5070] sp : ffff80001fca7580 [ 74.443268][ T5070] x29: ffff80001fca7680 x28: ffff0000dd257840 x27: 0000000000000108 [ 74.444593][ T5070] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 74.445891][ T5070] x23: 0000000000000014 x22: 1fffe0001ba4af13 x21: ffff700003f94eb8 [ 74.447208][ T5070] x20: 00000000fffffff4 x19: ffff0000dd257898 x18: 0000000000000001 [ 74.448468][ T5070] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 74.449808][ T5070] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 74.451244][ T5070] x11: 0000000000000000 x10: 0000000000000000 x9 : 50e0ea06f4ca4300 [ 74.452630][ T5070] x8 : 50e0ea06f4ca4300 x7 : 0000000000000001 x6 : 0000000000000001 [ 74.454050][ T5070] x5 : ffff80001fca6e78 x4 : ffff80001425f420 x3 : ffff800008504400 [ 74.455418][ T5070] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 74.456751][ T5070] Call trace: [ 74.457293][ T5070] btrfs_add_link+0x6e8/0xa68 [ 74.458109][ T5070] btrfs_create+0x45c/0x508 [ 74.458846][ T5070] path_openat+0x1144/0x26e4 [ 74.459601][ T5070] do_filp_open+0x164/0x330 [ 74.460400][ T5070] do_sys_openat2+0x128/0x3d8 [ 74.461176][ T5070] __arm64_sys_openat+0x120/0x154 [ 74.462029][ T5070] invoke_syscall+0x98/0x2b8 [ 74.462798][ T5070] el0_svc_common+0x138/0x258 [ 74.463486][ T5070] do_el0_svc+0x58/0x14c [ 74.464149][ T5070] el0_svc+0x78/0x1e0 [ 74.464785][ T5070] el0t_64_sync_handler+0xcc/0xe4 [ 74.465585][ T5070] el0t_64_sync+0x1a0/0x1a4 [ 74.466265][ T5070] irq event stamp: 82600 [ 74.466915][ T5070] hardirqs last enabled at (82599): [] __up_console_sem+0xb4/0x100 [ 74.468341][ T5070] hardirqs last disabled at (82600): [] el1_dbg+0x24/0x80 [ 74.469628][ T5070] softirqs last enabled at (82580): [] handle_softirqs+0xa4c/0xbf0 [ 74.471087][ T5070] softirqs last disabled at (82477): [] __irq_exit_rcu+0x240/0x440 [ 74.472481][ T5070] ---[ end trace 9ae2f55a585c3a71 ]--- [ 74.475524][ T5070] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 74.664624][ T5092] loop0: detected capacity change from 0 to 32768 [ 74.715849][ T5092] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.22 (5092) [ 74.740274][ T5092] FAULT_INJECTION: forcing a failure. [ 74.740274][ T5092] name failslab, interval 1, probability 0, space 0, times 0 [ 74.742314][ T5092] CPU: 1 PID: 5092 Comm: syz.0.22 Tainted: G W syzkaller #0 [ 74.743654][ T5092] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 74.745303][ T5092] Call trace: [ 74.745828][ T5092] dump_backtrace+0x0/0x43c [ 74.746544][ T5092] show_stack+0x2c/0x3c [ 74.747176][ T5092] __dump_stack+0x30/0x40 [ 74.747868][ T5092] dump_stack_lvl+0xf8/0x160 [ 74.748663][ T5092] dump_stack+0x1c/0x5c [ 74.749364][ T5092] should_fail+0x3c0/0x51c [ 74.750071][ T5092] __should_failslab+0xbc/0x10c [ 74.750894][ T5092] should_failslab+0x10/0x28 [ 74.751630][ T5092] slab_pre_alloc_hook+0x64/0xec [ 74.752492][ T5092] kmem_cache_alloc+0x94/0x3e4 [ 74.753223][ T5092] btrfs_get_or_create_delayed_node+0x128/0x4c8 [ 74.754326][ T5092] btrfs_delayed_update_inode+0x3c/0x1b7c [ 74.755291][ T5092] btrfs_update_inode+0x210/0x3d4 [ 74.756119][ T5092] btrfs_create+0x360/0x508 [ 74.756880][ T5092] path_openat+0x1144/0x26e4 [ 74.757666][ T5092] do_filp_open+0x164/0x330 [ 74.758493][ T5092] do_sys_openat2+0x128/0x3d8 [ 74.759281][ T5092] __arm64_sys_openat+0x120/0x154 [ 74.760163][ T5092] invoke_syscall+0x98/0x2b8 [ 74.760969][ T5092] el0_svc_common+0x138/0x258 [ 74.761745][ T5092] do_el0_svc+0x58/0x14c [ 74.762435][ T5092] el0_svc+0x78/0x1e0 [ 74.763076][ T5092] el0t_64_sync_handler+0xcc/0xe4 [ 74.763881][ T5092] el0t_64_sync+0x1a0/0x1a4 [ 74.795815][ T4910] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 12 /dev/loop0 scanned by udevd (4910) [ 74.918083][ T5114] loop0: detected capacity change from 0 to 32768 [ 75.004662][ T5114] FAULT_INJECTION: forcing a failure. [ 75.004662][ T5114] name failslab, interval 1, probability 0, space 0, times 0 [ 75.006610][ T5114] CPU: 0 PID: 5114 Comm: syz.0.23 Tainted: G W syzkaller #0 [ 75.007927][ T5114] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 75.009534][ T5114] Call trace: [ 75.010047][ T5114] dump_backtrace+0x0/0x43c [ 75.010793][ T5114] show_stack+0x2c/0x3c [ 75.011520][ T5114] __dump_stack+0x30/0x40 [ 75.012308][ T5114] dump_stack_lvl+0xf8/0x160 [ 75.013120][ T5114] dump_stack+0x1c/0x5c [ 75.013852][ T5114] should_fail+0x3c0/0x51c [ 75.014594][ T5114] __should_failslab+0xbc/0x10c [ 75.015486][ T5114] should_failslab+0x10/0x28 [ 75.016274][ T5114] slab_pre_alloc_hook+0x64/0xec [ 75.017142][ T5114] kmem_cache_alloc+0x94/0x3e4 [ 75.017932][ T5114] security_inode_alloc+0x38/0x11c [ 75.018795][ T5114] inode_init_always+0x670/0xa84 [ 75.019612][ T5114] new_inode_pseudo+0x7c/0x1fc [ 75.020436][ T5114] new_inode+0x38/0x174 [ 75.021142][ T5114] btrfs_new_inode+0x148/0x1538 [ 75.022000][ T5114] btrfs_create+0x248/0x508 [ 75.022735][ T5114] path_openat+0x1144/0x26e4 [ 75.023458][ T5114] do_filp_open+0x164/0x330 [ 75.024180][ T5114] do_sys_openat2+0x128/0x3d8 [ 75.024929][ T5114] __arm64_sys_openat+0x120/0x154 [ 75.025795][ T5114] invoke_syscall+0x98/0x2b8 [ 75.026542][ T5114] el0_svc_common+0x138/0x258 [ 75.027364][ T5114] do_el0_svc+0x58/0x14c [ 75.028128][ T5114] el0_svc+0x78/0x1e0 [ 75.028783][ T5114] el0t_64_sync_handler+0xcc/0xe4 [ 75.029563][ T5114] el0t_64_sync+0x1a0/0x1a4 [ 75.178399][ T5136] loop0: detected capacity change from 0 to 32768 [ 75.260186][ T5136] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.24 (5136) [ 75.284355][ T5136] FAULT_INJECTION: forcing a failure. [ 75.284355][ T5136] name failslab, interval 1, probability 0, space 0, times 0 [ 75.286422][ T5136] CPU: 0 PID: 5136 Comm: syz.0.24 Tainted: G W syzkaller #0 [ 75.287892][ T5136] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 75.289489][ T5136] Call trace: [ 75.289966][ T5136] dump_backtrace+0x0/0x43c [ 75.290631][ T5136] show_stack+0x2c/0x3c [ 75.291298][ T5136] __dump_stack+0x30/0x40 [ 75.291937][ T5136] dump_stack_lvl+0xf8/0x160 [ 75.292657][ T5136] dump_stack+0x1c/0x5c [ 75.293338][ T5136] should_fail+0x3c0/0x51c [ 75.294076][ T5136] __should_failslab+0xbc/0x10c [ 75.294903][ T5136] should_failslab+0x10/0x28 [ 75.295649][ T5136] slab_pre_alloc_hook+0x64/0xec [ 75.296464][ T5136] kmem_cache_alloc+0x94/0x3e4 [ 75.297197][ T5136] btrfs_alloc_path+0x5c/0x68 [ 75.297969][ T5136] btrfs_insert_dir_item+0x16c/0x3b8 [ 75.298784][ T5136] btrfs_add_link+0x294/0xa68 [ 75.299590][ T5136] btrfs_create+0x45c/0x508 [ 75.300313][ T5136] path_openat+0x1144/0x26e4 [ 75.301057][ T5136] do_filp_open+0x164/0x330 [ 75.301841][ T5136] do_sys_openat2+0x128/0x3d8 [ 75.302672][ T5136] __arm64_sys_openat+0x120/0x154 [ 75.303534][ T5136] invoke_syscall+0x98/0x2b8 [ 75.304317][ T5136] el0_svc_common+0x138/0x258 [ 75.305091][ T5136] do_el0_svc+0x58/0x14c [ 75.305835][ T5136] el0_svc+0x78/0x1e0 [ 75.306489][ T5136] el0t_64_sync_handler+0xcc/0xe4 [ 75.307364][ T5136] el0t_64_sync+0x1a0/0x1a4 [ 75.310128][ T5136] ------------[ cut here ]------------ [ 75.311068][ T5136] WARNING: CPU: 0 PID: 5136 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 75.312329][ T5136] Modules linked in: [ 75.312891][ T5136] CPU: 0 PID: 5136 Comm: syz.0.24 Tainted: G W syzkaller #0 [ 75.314175][ T5136] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 75.315603][ T5136] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 75.316859][ T5136] pc : btrfs_add_link+0x6e8/0xa68 [ 75.317589][ T5136] lr : btrfs_add_link+0x6e8/0xa68 [ 75.318354][ T5136] sp : ffff8000206c7580 [ 75.318947][ T5136] x29: ffff8000206c7680 x28: ffff0000dd257f20 x27: 0000000000000108 [ 75.320239][ T5136] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 75.321490][ T5136] x23: 0000000000000014 x22: 1fffe0001ba4afef x21: ffff7000040d8eb8 [ 75.322844][ T5136] x20: 00000000fffffff4 x19: ffff0000dd257f78 x18: 0000000000000001 [ 75.324147][ T5136] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 75.325532][ T5136] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 75.326711][ T5136] x11: 0000000000000000 x10: 0000000000000000 x9 : dc182de0cc7ef900 [ 75.328093][ T5136] x8 : dc182de0cc7ef900 x7 : 0000000000000001 x6 : 0000000000000001 [ 75.329454][ T5136] x5 : ffff8000206c6e78 x4 : ffff80001425f420 x3 : ffff800008504400 [ 75.330816][ T5136] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 75.332164][ T5136] Call trace: [ 75.332688][ T5136] btrfs_add_link+0x6e8/0xa68 [ 75.333502][ T5136] btrfs_create+0x45c/0x508 [ 75.334235][ T5136] path_openat+0x1144/0x26e4 [ 75.334977][ T5136] do_filp_open+0x164/0x330 [ 75.335730][ T5136] do_sys_openat2+0x128/0x3d8 [ 75.336535][ T5136] __arm64_sys_openat+0x120/0x154 [ 75.337402][ T5136] invoke_syscall+0x98/0x2b8 [ 75.338187][ T5136] el0_svc_common+0x138/0x258 [ 75.338997][ T5136] do_el0_svc+0x58/0x14c [ 75.339700][ T5136] el0_svc+0x78/0x1e0 [ 75.340344][ T5136] el0t_64_sync_handler+0xcc/0xe4 [ 75.341138][ T5136] el0t_64_sync+0x1a0/0x1a4 [ 75.341928][ T5136] irq event stamp: 81530 [ 75.342651][ T5136] hardirqs last enabled at (81529): [] __up_console_sem+0xb4/0x100 [ 75.344246][ T5136] hardirqs last disabled at (81530): [] el1_dbg+0x24/0x80 [ 75.345734][ T5136] softirqs last enabled at (81510): [] handle_softirqs+0xa4c/0xbf0 [ 75.347292][ T5136] softirqs last disabled at (81473): [] __irq_exit_rcu+0x240/0x440 [ 75.348851][ T5136] ---[ end trace 9ae2f55a585c3a72 ]--- [ 75.350020][ T5136] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 75.535731][ T5157] loop0: detected capacity change from 0 to 32768 [ 75.549286][ T5157] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.25 (5157) [ 75.617725][ T5157] FAULT_INJECTION: forcing a failure. [ 75.617725][ T5157] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 75.620549][ T5157] CPU: 1 PID: 5157 Comm: syz.0.25 Tainted: G W syzkaller #0 [ 75.621932][ T5157] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 75.623478][ T5157] Call trace: [ 75.623994][ T5157] dump_backtrace+0x0/0x43c [ 75.624792][ T5157] show_stack+0x2c/0x3c [ 75.625485][ T5157] __dump_stack+0x30/0x40 [ 75.626213][ T5157] dump_stack_lvl+0xf8/0x160 [ 75.626974][ T5157] dump_stack+0x1c/0x5c [ 75.627677][ T5157] should_fail+0x3c0/0x51c [ 75.628458][ T5157] should_fail_alloc_page+0x74/0xa8 [ 75.629354][ T5157] prepare_alloc_pages+0x160/0x460 [ 75.630254][ T5157] __alloc_pages+0x108/0x470 [ 75.631067][ T5157] alloc_pages+0x34c/0x5c0 [ 75.631826][ T5157] new_slab+0xe0/0x55c [ 75.632492][ T5157] ___slab_alloc+0x6c0/0xda8 [ 75.633250][ T5157] __slab_alloc+0x68/0xc0 [ 75.633973][ T5157] kmem_cache_alloc+0x2ac/0x3e4 [ 75.634723][ T5157] btrfs_get_or_create_delayed_node+0x128/0x4c8 [ 75.635725][ T5157] btrfs_delayed_update_inode+0x3c/0x1b7c [ 75.636702][ T5157] btrfs_update_inode+0x210/0x3d4 [ 75.637559][ T5157] btrfs_create+0x360/0x508 [ 75.638308][ T5157] path_openat+0x1144/0x26e4 [ 75.639092][ T5157] do_filp_open+0x164/0x330 [ 75.639865][ T5157] do_sys_openat2+0x128/0x3d8 [ 75.640700][ T5157] __arm64_sys_openat+0x120/0x154 [ 75.641503][ T5157] invoke_syscall+0x98/0x2b8 [ 75.642203][ T5157] el0_svc_common+0x138/0x258 [ 75.642952][ T5157] do_el0_svc+0x58/0x14c [ 75.643710][ T5157] el0_svc+0x78/0x1e0 [ 75.644402][ T5157] el0t_64_sync_handler+0xcc/0xe4 [ 75.645273][ T5157] el0t_64_sync+0x1a0/0x1a4 [ 75.839470][ T5179] loop0: detected capacity change from 0 to 32768 [ 75.850172][ T5179] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.26 (5179) [ 75.894438][ T5179] FAULT_INJECTION: forcing a failure. [ 75.894438][ T5179] name failslab, interval 1, probability 0, space 0, times 0 [ 75.896636][ T5179] CPU: 0 PID: 5179 Comm: syz.0.26 Tainted: G W syzkaller #0 [ 75.897928][ T5179] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 75.899444][ T5179] Call trace: [ 75.899942][ T5179] dump_backtrace+0x0/0x43c [ 75.900624][ T5179] show_stack+0x2c/0x3c [ 75.901292][ T5179] __dump_stack+0x30/0x40 [ 75.901977][ T5179] dump_stack_lvl+0xf8/0x160 [ 75.902775][ T5179] dump_stack+0x1c/0x5c [ 75.903407][ T5179] should_fail+0x3c0/0x51c [ 75.904082][ T5179] __should_failslab+0xbc/0x10c [ 75.904803][ T5179] should_failslab+0x10/0x28 [ 75.905516][ T5179] slab_pre_alloc_hook+0x64/0xec [ 75.906356][ T5179] kmem_cache_alloc+0x94/0x3e4 [ 75.907186][ T5179] btrfs_get_or_create_delayed_node+0x128/0x4c8 [ 75.908228][ T5179] btrfs_delayed_update_inode+0x3c/0x1b7c [ 75.909201][ T5179] btrfs_update_inode+0x210/0x3d4 [ 75.909981][ T5179] btrfs_create+0x360/0x508 [ 75.910690][ T5179] path_openat+0x1144/0x26e4 [ 75.911452][ T5179] do_filp_open+0x164/0x330 [ 75.912160][ T5179] do_sys_openat2+0x128/0x3d8 [ 75.912915][ T5179] __arm64_sys_openat+0x120/0x154 [ 75.913746][ T5179] invoke_syscall+0x98/0x2b8 [ 75.914532][ T5179] el0_svc_common+0x138/0x258 [ 75.915278][ T5179] do_el0_svc+0x58/0x14c [ 75.915969][ T5179] el0_svc+0x78/0x1e0 [ 75.916593][ T5179] el0t_64_sync_handler+0xcc/0xe4 [ 75.917426][ T5179] el0t_64_sync+0x1a0/0x1a4 [ 76.124304][ T5200] loop0: detected capacity change from 0 to 32768 [ 76.172675][ T5200] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.27 (5200) [ 76.195587][ T5200] FAULT_INJECTION: forcing a failure. [ 76.195587][ T5200] name failslab, interval 1, probability 0, space 0, times 0 [ 76.197676][ T5200] CPU: 1 PID: 5200 Comm: syz.0.27 Tainted: G W syzkaller #0 [ 76.199018][ T5200] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 76.200720][ T5200] Call trace: [ 76.201253][ T5200] dump_backtrace+0x0/0x43c [ 76.201996][ T5200] show_stack+0x2c/0x3c [ 76.202670][ T5200] __dump_stack+0x30/0x40 [ 76.203409][ T5200] dump_stack_lvl+0xf8/0x160 [ 76.204197][ T5200] dump_stack+0x1c/0x5c [ 76.204902][ T5200] should_fail+0x3c0/0x51c [ 76.205620][ T5200] __should_failslab+0xbc/0x10c [ 76.206482][ T5200] should_failslab+0x10/0x28 [ 76.207239][ T5200] slab_pre_alloc_hook+0x64/0xec [ 76.208049][ T5200] kmem_cache_alloc+0x94/0x3e4 [ 76.208877][ T5200] btrfs_alloc_path+0x5c/0x68 [ 76.209645][ T5200] btrfs_insert_dir_item+0x16c/0x3b8 [ 76.210561][ T5200] btrfs_add_link+0x294/0xa68 [ 76.211330][ T5200] btrfs_create+0x45c/0x508 [ 76.212105][ T5200] path_openat+0x1144/0x26e4 [ 76.212846][ T5200] do_filp_open+0x164/0x330 [ 76.213562][ T5200] do_sys_openat2+0x128/0x3d8 [ 76.214287][ T5200] __arm64_sys_openat+0x120/0x154 [ 76.215084][ T5200] invoke_syscall+0x98/0x2b8 [ 76.215831][ T5200] el0_svc_common+0x138/0x258 [ 76.216570][ T5200] do_el0_svc+0x58/0x14c [ 76.217272][ T5200] el0_svc+0x78/0x1e0 [ 76.217962][ T5200] el0t_64_sync_handler+0xcc/0xe4 [ 76.218733][ T5200] el0t_64_sync+0x1a0/0x1a4 [ 76.220591][ T5200] ------------[ cut here ]------------ [ 76.221560][ T5200] WARNING: CPU: 1 PID: 5200 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 76.222990][ T5200] Modules linked in: [ 76.223603][ T5200] CPU: 1 PID: 5200 Comm: syz.0.27 Tainted: G W syzkaller #0 [ 76.224950][ T5200] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 76.226490][ T5200] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 76.227723][ T5200] pc : btrfs_add_link+0x6e8/0xa68 [ 76.228501][ T5200] lr : btrfs_add_link+0x6e8/0xa68 [ 76.229333][ T5200] sp : ffff800020eb7580 [ 76.230049][ T5200] x29: ffff800020eb7680 x28: ffff0000deaa6580 x27: 0000000000000108 [ 76.231446][ T5200] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 76.232724][ T5200] x23: 0000000000000014 x22: 1fffe0001bd54cbb x21: ffff7000041d6eb8 [ 76.234082][ T5200] x20: 00000000fffffff4 x19: ffff0000deaa65d8 x18: 0000000000000001 [ 76.235404][ T5200] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 76.236795][ T5200] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 76.238148][ T5200] x11: 0000000000000000 x10: 0000000000000000 x9 : dfdf633c13d5f000 [ 76.239503][ T5200] x8 : dfdf633c13d5f000 x7 : 0000000000000001 x6 : 0000000000000001 [ 76.240763][ T5200] x5 : ffff800020eb6e78 x4 : ffff80001425f420 x3 : ffff800008504400 [ 76.242037][ T5200] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 76.243427][ T5200] Call trace: [ 76.243955][ T5200] btrfs_add_link+0x6e8/0xa68 [ 76.244723][ T5200] btrfs_create+0x45c/0x508 [ 76.245517][ T5200] path_openat+0x1144/0x26e4 [ 76.246273][ T5200] do_filp_open+0x164/0x330 [ 76.246977][ T5200] do_sys_openat2+0x128/0x3d8 [ 76.247780][ T5200] __arm64_sys_openat+0x120/0x154 [ 76.248594][ T5200] invoke_syscall+0x98/0x2b8 [ 76.249369][ T5200] el0_svc_common+0x138/0x258 [ 76.250081][ T5200] do_el0_svc+0x58/0x14c [ 76.250731][ T5200] el0_svc+0x78/0x1e0 [ 76.251368][ T5200] el0t_64_sync_handler+0xcc/0xe4 [ 76.252246][ T5200] el0t_64_sync+0x1a0/0x1a4 [ 76.252946][ T5200] irq event stamp: 82836 [ 76.253621][ T5200] hardirqs last enabled at (82835): [] __up_console_sem+0xb4/0x100 [ 76.255196][ T5200] hardirqs last disabled at (82836): [] el1_dbg+0x24/0x80 [ 76.256663][ T5200] softirqs last enabled at (82816): [] handle_softirqs+0xa4c/0xbf0 [ 76.258298][ T5200] softirqs last disabled at (82703): [] __irq_exit_rcu+0x240/0x440 [ 76.259846][ T5200] ---[ end trace 9ae2f55a585c3a73 ]--- [ 76.261884][ T5200] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 76.395974][ T5222] loop0: detected capacity change from 0 to 32768 [ 76.472144][ T5222] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.28 (5222) [ 76.504442][ T5222] FAULT_INJECTION: forcing a failure. [ 76.504442][ T5222] name failslab, interval 1, probability 0, space 0, times 0 [ 76.506480][ T5222] CPU: 0 PID: 5222 Comm: syz.0.28 Tainted: G W syzkaller #0 [ 76.507862][ T5222] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 76.509418][ T5222] Call trace: [ 76.509938][ T5222] dump_backtrace+0x0/0x43c [ 76.510676][ T5222] show_stack+0x2c/0x3c [ 76.511349][ T5222] __dump_stack+0x30/0x40 [ 76.512131][ T5222] dump_stack_lvl+0xf8/0x160 [ 76.512839][ T5222] dump_stack+0x1c/0x5c [ 76.513507][ T5222] should_fail+0x3c0/0x51c [ 76.514216][ T5222] __should_failslab+0xbc/0x10c [ 76.514951][ T5222] should_failslab+0x10/0x28 [ 76.515632][ T5222] slab_pre_alloc_hook+0x64/0xec [ 76.516441][ T5222] kmem_cache_alloc+0x94/0x3e4 [ 76.517218][ T5222] btrfs_alloc_path+0x5c/0x68 [ 76.518003][ T5222] btrfs_insert_dir_item+0x16c/0x3b8 [ 76.518923][ T5222] btrfs_add_link+0x294/0xa68 [ 76.519725][ T5222] btrfs_create+0x45c/0x508 [ 76.520443][ T5222] path_openat+0x1144/0x26e4 [ 76.521247][ T5222] do_filp_open+0x164/0x330 [ 76.522036][ T5222] do_sys_openat2+0x128/0x3d8 [ 76.522864][ T5222] __arm64_sys_openat+0x120/0x154 [ 76.523750][ T5222] invoke_syscall+0x98/0x2b8 [ 76.524524][ T5222] el0_svc_common+0x138/0x258 [ 76.525288][ T5222] do_el0_svc+0x58/0x14c [ 76.525958][ T5222] el0_svc+0x78/0x1e0 [ 76.526616][ T5222] el0t_64_sync_handler+0xcc/0xe4 [ 76.527470][ T5222] el0t_64_sync+0x1a0/0x1a4 [ 76.531005][ T5222] ------------[ cut here ]------------ [ 76.531978][ T5222] WARNING: CPU: 0 PID: 5222 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 76.533286][ T5222] Modules linked in: [ 76.533915][ T5222] CPU: 0 PID: 5222 Comm: syz.0.28 Tainted: G W syzkaller #0 [ 76.535152][ T5222] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 76.536593][ T5222] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 76.537662][ T5222] pc : btrfs_add_link+0x6e8/0xa68 [ 76.538431][ T5222] lr : btrfs_add_link+0x6e8/0xa68 [ 76.539167][ T5222] sp : ffff800021087580 [ 76.539758][ T5222] x29: ffff800021087680 x28: ffff0000dd1d8b00 x27: 0000000000000108 [ 76.540964][ T5222] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 76.542196][ T5222] x23: 0000000000000014 x22: 1fffe0001ba3b16b x21: ffff700004210eb8 [ 76.543483][ T5222] x20: 00000000fffffff4 x19: ffff0000dd1d8b58 x18: 0000000000000001 [ 76.544734][ T5222] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 76.546080][ T5222] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 76.547395][ T5222] x11: 0000000000000000 x10: 0000000000000000 x9 : 5d262f5f4def6700 [ 76.548748][ T5222] x8 : 5d262f5f4def6700 x7 : 0000000000000001 x6 : 0000000000000001 [ 76.550092][ T5222] x5 : ffff800021086e78 x4 : ffff80001425f420 x3 : ffff800008504400 [ 76.551418][ T5222] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 76.552686][ T5222] Call trace: [ 76.553198][ T5222] btrfs_add_link+0x6e8/0xa68 [ 76.553941][ T5222] btrfs_create+0x45c/0x508 [ 76.554679][ T5222] path_openat+0x1144/0x26e4 [ 76.555406][ T5222] do_filp_open+0x164/0x330 [ 76.556113][ T5222] do_sys_openat2+0x128/0x3d8 [ 76.556876][ T5222] __arm64_sys_openat+0x120/0x154 [ 76.557685][ T5222] invoke_syscall+0x98/0x2b8 [ 76.558385][ T5222] el0_svc_common+0x138/0x258 [ 76.559089][ T5222] do_el0_svc+0x58/0x14c [ 76.559729][ T5222] el0_svc+0x78/0x1e0 [ 76.560306][ T5222] el0t_64_sync_handler+0xcc/0xe4 [ 76.561050][ T5222] el0t_64_sync+0x1a0/0x1a4 [ 76.561732][ T5222] irq event stamp: 82344 [ 76.562344][ T5222] hardirqs last enabled at (82343): [] __up_console_sem+0xb4/0x100 [ 76.564004][ T5222] hardirqs last disabled at (82344): [] el1_dbg+0x24/0x80 [ 76.565494][ T5222] softirqs last enabled at (82324): [] handle_softirqs+0xa4c/0xbf0 [ 76.567066][ T5222] softirqs last disabled at (82225): [] __irq_exit_rcu+0x240/0x440 [ 76.568666][ T5222] ---[ end trace 9ae2f55a585c3a74 ]--- [ 76.571894][ T5222] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 76.756644][ T5244] loop0: detected capacity change from 0 to 32768 [ 76.793988][ T5244] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.29 (5244) [ 76.814725][ T5244] FAULT_INJECTION: forcing a failure. [ 76.814725][ T5244] name failslab, interval 1, probability 0, space 0, times 0 [ 76.816800][ T5244] CPU: 1 PID: 5244 Comm: syz.0.29 Tainted: G W syzkaller #0 [ 76.818203][ T5244] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 76.819832][ T5244] Call trace: [ 76.820377][ T5244] dump_backtrace+0x0/0x43c [ 76.821121][ T5244] show_stack+0x2c/0x3c [ 76.821772][ T5244] __dump_stack+0x30/0x40 [ 76.822510][ T5244] dump_stack_lvl+0xf8/0x160 [ 76.823254][ T5244] dump_stack+0x1c/0x5c [ 76.823928][ T5244] should_fail+0x3c0/0x51c [ 76.824666][ T5244] __should_failslab+0xbc/0x10c [ 76.825508][ T5244] should_failslab+0x10/0x28 [ 76.826288][ T5244] slab_pre_alloc_hook+0x64/0xec [ 76.827150][ T5244] kmem_cache_alloc+0x94/0x3e4 [ 76.827987][ T5244] btrfs_get_or_create_delayed_node+0x128/0x4c8 [ 76.829084][ T5244] btrfs_delayed_update_inode+0x3c/0x1b7c [ 76.830055][ T5244] btrfs_update_inode+0x210/0x3d4 [ 76.830869][ T5244] btrfs_create+0x360/0x508 [ 76.831627][ T5244] path_openat+0x1144/0x26e4 [ 76.832390][ T5244] do_filp_open+0x164/0x330 [ 76.833186][ T5244] do_sys_openat2+0x128/0x3d8 [ 76.833967][ T5244] __arm64_sys_openat+0x120/0x154 [ 76.834811][ T5244] invoke_syscall+0x98/0x2b8 [ 76.835586][ T5244] el0_svc_common+0x138/0x258 [ 76.836381][ T5244] do_el0_svc+0x58/0x14c [ 76.837098][ T5244] el0_svc+0x78/0x1e0 [ 76.837784][ T5244] el0t_64_sync_handler+0xcc/0xe4 [ 76.838552][ T5244] el0t_64_sync+0x1a0/0x1a4 [ 76.901358][ T4910] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 12 /dev/loop0 scanned by udevd (4910) [ 76.993202][ T5265] loop0: detected capacity change from 0 to 32768 [ 77.083792][ T5265] FAULT_INJECTION: forcing a failure. [ 77.083792][ T5265] name failslab, interval 1, probability 0, space 0, times 0 [ 77.085843][ T5265] CPU: 0 PID: 5265 Comm: syz.0.30 Tainted: G W syzkaller #0 [ 77.087284][ T5265] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 77.088809][ T5265] Call trace: [ 77.089361][ T5265] dump_backtrace+0x0/0x43c [ 77.090069][ T5265] show_stack+0x2c/0x3c [ 77.090709][ T5265] __dump_stack+0x30/0x40 [ 77.091435][ T5265] dump_stack_lvl+0xf8/0x160 [ 77.092222][ T5265] dump_stack+0x1c/0x5c [ 77.092821][ T5265] should_fail+0x3c0/0x51c [ 77.093478][ T5265] __should_failslab+0xbc/0x10c [ 77.094200][ T5265] should_failslab+0x10/0x28 [ 77.094874][ T5265] slab_pre_alloc_hook+0x64/0xec [ 77.095653][ T5265] kmem_cache_alloc+0x94/0x3e4 [ 77.096479][ T5265] btrfs_alloc_path+0x5c/0x68 [ 77.097259][ T5265] btrfs_insert_dir_item+0x16c/0x3b8 [ 77.098110][ T5265] btrfs_add_link+0x294/0xa68 [ 77.098859][ T5265] btrfs_create+0x45c/0x508 [ 77.099573][ T5265] path_openat+0x1144/0x26e4 [ 77.100283][ T5265] do_filp_open+0x164/0x330 [ 77.101052][ T5265] do_sys_openat2+0x128/0x3d8 [ 77.101783][ T5265] __arm64_sys_openat+0x120/0x154 [ 77.102584][ T5265] invoke_syscall+0x98/0x2b8 [ 77.103372][ T5265] el0_svc_common+0x138/0x258 [ 77.104130][ T5265] do_el0_svc+0x58/0x14c [ 77.104873][ T5265] el0_svc+0x78/0x1e0 [ 77.105526][ T5265] el0t_64_sync_handler+0xcc/0xe4 [ 77.106386][ T5265] el0t_64_sync+0x1a0/0x1a4 [ 77.108096][ T5265] ------------[ cut here ]------------ [ 77.109025][ T5265] WARNING: CPU: 0 PID: 5265 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 77.110421][ T5265] Modules linked in: [ 77.111046][ T5265] CPU: 0 PID: 5265 Comm: syz.0.30 Tainted: G W syzkaller #0 [ 77.112468][ T5265] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 77.113998][ T5265] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 77.115260][ T5265] pc : btrfs_add_link+0x6e8/0xa68 [ 77.116076][ T5265] lr : btrfs_add_link+0x6e8/0xa68 [ 77.116845][ T5265] sp : ffff8000212b7580 [ 77.117478][ T5265] x29: ffff8000212b7680 x28: ffff0000dd1d8f20 x27: 0000000000000108 [ 77.118904][ T5265] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 77.120148][ T5265] x23: 0000000000000014 x22: 1fffe0001ba3b1ef x21: ffff700004256eb8 [ 77.121325][ T5265] x20: 00000000fffffff4 x19: ffff0000dd1d8f78 x18: 0000000000000001 [ 77.122632][ T5265] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 77.123952][ T5265] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 77.125361][ T5265] x11: 0000000000000000 x10: 0000000000000000 x9 : 358e7125e5b43900 [ 77.126719][ T5265] x8 : 358e7125e5b43900 x7 : 0000000000000001 x6 : 0000000000000001 [ 77.128082][ T5265] x5 : ffff8000212b6e78 x4 : ffff80001425f420 x3 : ffff800008504400 [ 77.129443][ T5265] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 77.130824][ T5265] Call trace: [ 77.131373][ T5265] btrfs_add_link+0x6e8/0xa68 [ 77.132133][ T5265] btrfs_create+0x45c/0x508 [ 77.132920][ T5265] path_openat+0x1144/0x26e4 [ 77.133689][ T5265] do_filp_open+0x164/0x330 [ 77.134390][ T5265] do_sys_openat2+0x128/0x3d8 [ 77.135153][ T5265] __arm64_sys_openat+0x120/0x154 [ 77.135994][ T5265] invoke_syscall+0x98/0x2b8 [ 77.136777][ T5265] el0_svc_common+0x138/0x258 [ 77.137594][ T5265] do_el0_svc+0x58/0x14c [ 77.138332][ T5265] el0_svc+0x78/0x1e0 [ 77.138963][ T5265] el0t_64_sync_handler+0xcc/0xe4 [ 77.139799][ T5265] el0t_64_sync+0x1a0/0x1a4 [ 77.140507][ T5265] irq event stamp: 80830 [ 77.141146][ T5265] hardirqs last enabled at (80829): [] __up_console_sem+0xb4/0x100 [ 77.142577][ T5265] hardirqs last disabled at (80830): [] el1_dbg+0x24/0x80 [ 77.143826][ T5265] softirqs last enabled at (80810): [] handle_softirqs+0xa4c/0xbf0 [ 77.145415][ T5265] softirqs last disabled at (80755): [] __irq_exit_rcu+0x240/0x440 [ 77.146824][ T5265] ---[ end trace 9ae2f55a585c3a75 ]--- [ 77.148331][ T5265] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 77.291447][ T5288] loop0: detected capacity change from 0 to 32768 [ 77.333722][ T5288] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.31 (5288) [ 77.351856][ T5288] FAULT_INJECTION: forcing a failure. [ 77.351856][ T5288] name failslab, interval 1, probability 0, space 0, times 0 [ 77.354262][ T5288] CPU: 0 PID: 5288 Comm: syz.0.31 Tainted: G W syzkaller #0 [ 77.355620][ T5288] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 77.357185][ T5288] Call trace: [ 77.357660][ T5288] dump_backtrace+0x0/0x43c [ 77.358313][ T5288] show_stack+0x2c/0x3c [ 77.359037][ T5288] __dump_stack+0x30/0x40 [ 77.359803][ T5288] dump_stack_lvl+0xf8/0x160 [ 77.360491][ T5288] dump_stack+0x1c/0x5c [ 77.361222][ T5288] should_fail+0x3c0/0x51c [ 77.361983][ T5288] __should_failslab+0xbc/0x10c [ 77.362781][ T5288] should_failslab+0x10/0x28 [ 77.363476][ T5288] slab_pre_alloc_hook+0x64/0xec [ 77.364356][ T5288] kmem_cache_alloc+0x94/0x3e4 [ 77.365075][ T5288] btrfs_alloc_path+0x5c/0x68 [ 77.365749][ T5288] btrfs_insert_dir_item+0x16c/0x3b8 [ 77.366529][ T5288] btrfs_add_link+0x294/0xa68 [ 77.367272][ T5288] btrfs_create+0x45c/0x508 [ 77.367964][ T5288] path_openat+0x1144/0x26e4 [ 77.368685][ T5288] do_filp_open+0x164/0x330 [ 77.369415][ T5288] do_sys_openat2+0x128/0x3d8 [ 77.370104][ T5288] __arm64_sys_openat+0x120/0x154 [ 77.370867][ T5288] invoke_syscall+0x98/0x2b8 [ 77.371579][ T5288] el0_svc_common+0x138/0x258 [ 77.372323][ T5288] do_el0_svc+0x58/0x14c [ 77.372994][ T5288] el0_svc+0x78/0x1e0 [ 77.373645][ T5288] el0t_64_sync_handler+0xcc/0xe4 [ 77.374515][ T5288] el0t_64_sync+0x1a0/0x1a4 [ 77.377023][ T5288] ------------[ cut here ]------------ [ 77.378018][ T5288] WARNING: CPU: 0 PID: 5288 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 77.379333][ T5288] Modules linked in: [ 77.379989][ T5288] CPU: 0 PID: 5288 Comm: syz.0.31 Tainted: G W syzkaller #0 [ 77.381478][ T5288] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 77.383210][ T5288] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 77.384467][ T5288] pc : btrfs_add_link+0x6e8/0xa68 [ 77.385346][ T5288] lr : btrfs_add_link+0x6e8/0xa68 [ 77.386204][ T5288] sp : ffff8000212b7580 [ 77.386933][ T5288] x29: ffff8000212b7680 x28: ffff0000deaaa790 x27: 0000000000000108 [ 77.388283][ T5288] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 77.389654][ T5288] x23: 0000000000000014 x22: 1fffe0001bd554fd x21: ffff700004256eb8 [ 77.391017][ T5288] x20: 00000000fffffff4 x19: ffff0000deaaa7e8 x18: 0000000000000001 [ 77.392283][ T5288] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 77.393584][ T5288] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 77.394874][ T5288] x11: 0000000000000000 x10: 0000000000000000 x9 : c393931171ffb300 [ 77.396155][ T5288] x8 : c393931171ffb300 x7 : 0000000000000001 x6 : 0000000000000001 [ 77.397510][ T5288] x5 : ffff8000212b6e78 x4 : ffff80001425f420 x3 : ffff800008504400 [ 77.398889][ T5288] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 77.400252][ T5288] Call trace: [ 77.400800][ T5288] btrfs_add_link+0x6e8/0xa68 [ 77.401566][ T5288] btrfs_create+0x45c/0x508 [ 77.402316][ T5288] path_openat+0x1144/0x26e4 [ 77.403111][ T5288] do_filp_open+0x164/0x330 [ 77.403882][ T5288] do_sys_openat2+0x128/0x3d8 [ 77.404679][ T5288] __arm64_sys_openat+0x120/0x154 [ 77.405520][ T5288] invoke_syscall+0x98/0x2b8 [ 77.406251][ T5288] el0_svc_common+0x138/0x258 [ 77.407029][ T5288] do_el0_svc+0x58/0x14c [ 77.407714][ T5288] el0_svc+0x78/0x1e0 [ 77.408356][ T5288] el0t_64_sync_handler+0xcc/0xe4 [ 77.409172][ T5288] el0t_64_sync+0x1a0/0x1a4 [ 77.409879][ T5288] irq event stamp: 81352 [ 77.410553][ T5288] hardirqs last enabled at (81351): [] __up_console_sem+0xb4/0x100 [ 77.412018][ T5288] hardirqs last disabled at (81352): [] el1_dbg+0x24/0x80 [ 77.413321][ T5288] softirqs last enabled at (81332): [] handle_softirqs+0xa4c/0xbf0 [ 77.414711][ T5288] softirqs last disabled at (81263): [] __irq_exit_rcu+0x240/0x440 [ 77.416141][ T5288] ---[ end trace 9ae2f55a585c3a76 ]--- [ 77.418179][ T5288] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory 1970/01/01 00:01:17 executed programs: 19 [ 77.555310][ T5310] loop0: detected capacity change from 0 to 32768 [ 77.600839][ T5310] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.32 (5310) [ 77.652814][ T5310] btrfs_printk: 166 callbacks suppressed [ 77.652823][ T5310] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 77.655303][ T5310] BTRFS info (device loop0): setting nodatacow, compression disabled [ 77.656682][ T5310] BTRFS info (device loop0): setting datacow [ 77.657675][ T5310] BTRFS info (device loop0): doing ref verification [ 77.658699][ T5310] BTRFS info (device loop0): force clearing of disk cache [ 77.660131][ T5310] BTRFS info (device loop0): turning off barriers [ 77.661185][ T5310] BTRFS info (device loop0): use zlib compression, level 3 [ 77.662277][ T5310] BTRFS info (device loop0): using free space tree [ 77.663308][ T5310] BTRFS info (device loop0): has skinny extents [ 77.671898][ T5310] BTRFS info (device loop0): clearing free space tree [ 77.672951][ T5310] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 77.674395][ T5310] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 77.677604][ T5310] BTRFS info (device loop0): creating free space tree [ 77.678954][ T5310] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 77.680668][ T5310] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 77.684980][ T5310] FAULT_INJECTION: forcing a failure. [ 77.684980][ T5310] name failslab, interval 1, probability 0, space 0, times 0 [ 77.686903][ T5310] CPU: 0 PID: 5310 Comm: syz.0.32 Tainted: G W syzkaller #0 [ 77.688186][ T5310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 77.689684][ T5310] Call trace: [ 77.690180][ T5310] dump_backtrace+0x0/0x43c [ 77.690945][ T5310] show_stack+0x2c/0x3c [ 77.691637][ T5310] __dump_stack+0x30/0x40 [ 77.692349][ T5310] dump_stack_lvl+0xf8/0x160 [ 77.693172][ T5310] dump_stack+0x1c/0x5c [ 77.693918][ T5310] should_fail+0x3c0/0x51c [ 77.694689][ T5310] __should_failslab+0xbc/0x10c [ 77.695466][ T5310] should_failslab+0x10/0x28 [ 77.696208][ T5310] slab_pre_alloc_hook+0x64/0xec [ 77.697055][ T5310] kmem_cache_alloc+0x94/0x3e4 [ 77.697852][ T5310] btrfs_alloc_path+0x5c/0x68 [ 77.698662][ T5310] btrfs_insert_dir_item+0x16c/0x3b8 [ 77.699503][ T5310] btrfs_add_link+0x294/0xa68 [ 77.700264][ T5310] btrfs_create+0x45c/0x508 [ 77.700987][ T5310] path_openat+0x1144/0x26e4 [ 77.701750][ T5310] do_filp_open+0x164/0x330 [ 77.702452][ T5310] do_sys_openat2+0x128/0x3d8 [ 77.703154][ T5310] __arm64_sys_openat+0x120/0x154 [ 77.703952][ T5310] invoke_syscall+0x98/0x2b8 [ 77.704689][ T5310] el0_svc_common+0x138/0x258 [ 77.705472][ T5310] do_el0_svc+0x58/0x14c [ 77.706195][ T5310] el0_svc+0x78/0x1e0 [ 77.706872][ T5310] el0t_64_sync_handler+0xcc/0xe4 [ 77.707745][ T5310] el0t_64_sync+0x1a0/0x1a4 [ 77.709861][ T5310] ------------[ cut here ]------------ [ 77.710827][ T5310] WARNING: CPU: 0 PID: 5310 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 77.712246][ T5310] Modules linked in: [ 77.712863][ T5310] CPU: 0 PID: 5310 Comm: syz.0.32 Tainted: G W syzkaller #0 [ 77.714156][ T5310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 77.715620][ T5310] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 77.716775][ T5310] pc : btrfs_add_link+0x6e8/0xa68 [ 77.717490][ T5310] lr : btrfs_add_link+0x6e8/0xa68 [ 77.718196][ T5310] sp : ffff8000211b7580 [ 77.718743][ T5310] x29: ffff8000211b7680 x28: ffff0000deaaa4d0 x27: 0000000000000108 [ 77.720005][ T5310] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 77.721445][ T5310] x23: 0000000000000014 x22: 1fffe0001bd554a5 x21: ffff700004236eb8 [ 77.722792][ T5310] x20: 00000000fffffff4 x19: ffff0000deaaa528 x18: 0000000000000001 [ 77.724116][ T5310] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 77.725450][ T5310] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 77.726859][ T5310] x11: 0000000000000000 x10: 0000000000000000 x9 : 8f8046f3df522700 [ 77.728237][ T5310] x8 : 8f8046f3df522700 x7 : 0000000000000001 x6 : 0000000000000001 [ 77.729566][ T5310] x5 : ffff8000211b6e78 x4 : ffff80001425f420 x3 : ffff800008504400 [ 77.730997][ T5310] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 77.732376][ T5310] Call trace: [ 77.732940][ T5310] btrfs_add_link+0x6e8/0xa68 [ 77.733733][ T5310] btrfs_create+0x45c/0x508 [ 77.734458][ T5310] path_openat+0x1144/0x26e4 [ 77.735270][ T5310] do_filp_open+0x164/0x330 [ 77.736002][ T5310] do_sys_openat2+0x128/0x3d8 [ 77.736779][ T5310] __arm64_sys_openat+0x120/0x154 [ 77.737582][ T5310] invoke_syscall+0x98/0x2b8 [ 77.738345][ T5310] el0_svc_common+0x138/0x258 [ 77.739123][ T5310] do_el0_svc+0x58/0x14c [ 77.739824][ T5310] el0_svc+0x78/0x1e0 [ 77.740495][ T5310] el0t_64_sync_handler+0xcc/0xe4 [ 77.741267][ T5310] el0t_64_sync+0x1a0/0x1a4 [ 77.741994][ T5310] irq event stamp: 82598 [ 77.742600][ T5310] hardirqs last enabled at (82597): [] __up_console_sem+0xb4/0x100 [ 77.744085][ T5310] hardirqs last disabled at (82598): [] el1_dbg+0x24/0x80 [ 77.745418][ T5310] softirqs last enabled at (82578): [] handle_softirqs+0xa4c/0xbf0 [ 77.746881][ T5310] softirqs last disabled at (82561): [] __irq_exit_rcu+0x240/0x440 [ 77.748305][ T5310] ---[ end trace 9ae2f55a585c3a77 ]--- [ 77.749560][ T5310] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 77.751498][ T5310] BTRFS info (device loop0): forced readonly [ 77.940407][ T5332] loop0: detected capacity change from 0 to 32768 [ 77.980390][ T5332] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.33 (5332) [ 77.983569][ T5332] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 77.984908][ T5332] BTRFS info (device loop0): setting nodatacow, compression disabled [ 77.986138][ T5332] BTRFS info (device loop0): setting datacow [ 77.987106][ T5332] BTRFS info (device loop0): doing ref verification [ 77.988152][ T5332] BTRFS info (device loop0): force clearing of disk cache [ 77.989703][ T5332] BTRFS info (device loop0): turning off barriers [ 77.990802][ T5332] BTRFS info (device loop0): use zlib compression, level 3 [ 77.991958][ T5332] BTRFS info (device loop0): using free space tree [ 77.993014][ T5332] BTRFS info (device loop0): has skinny extents [ 78.001170][ T5332] BTRFS info (device loop0): clearing free space tree [ 78.002268][ T5332] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 78.003726][ T5332] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 78.007123][ T5332] BTRFS info (device loop0): creating free space tree [ 78.008607][ T5332] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 78.011219][ T5332] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 78.015586][ T5332] FAULT_INJECTION: forcing a failure. [ 78.015586][ T5332] name failslab, interval 1, probability 0, space 0, times 0 [ 78.017731][ T5332] CPU: 0 PID: 5332 Comm: syz.0.33 Tainted: G W syzkaller #0 [ 78.019147][ T5332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 78.020757][ T5332] Call trace: [ 78.021287][ T5332] dump_backtrace+0x0/0x43c [ 78.022027][ T5332] show_stack+0x2c/0x3c [ 78.022752][ T5332] __dump_stack+0x30/0x40 [ 78.023500][ T5332] dump_stack_lvl+0xf8/0x160 [ 78.024265][ T5332] dump_stack+0x1c/0x5c [ 78.024962][ T5332] should_fail+0x3c0/0x51c [ 78.025753][ T5332] __should_failslab+0xbc/0x10c [ 78.026606][ T5332] should_failslab+0x10/0x28 [ 78.027384][ T5332] slab_pre_alloc_hook+0x64/0xec [ 78.028242][ T5332] kmem_cache_alloc+0x94/0x3e4 [ 78.029127][ T5332] btrfs_get_or_create_delayed_node+0x128/0x4c8 [ 78.030201][ T5332] btrfs_delayed_update_inode+0x3c/0x1b7c [ 78.031156][ T5332] btrfs_update_inode+0x210/0x3d4 [ 78.032005][ T5332] btrfs_create+0x360/0x508 [ 78.032763][ T5332] path_openat+0x1144/0x26e4 [ 78.033546][ T5332] do_filp_open+0x164/0x330 [ 78.034311][ T5332] do_sys_openat2+0x128/0x3d8 [ 78.035133][ T5332] __arm64_sys_openat+0x120/0x154 [ 78.035986][ T5332] invoke_syscall+0x98/0x2b8 [ 78.036796][ T5332] el0_svc_common+0x138/0x258 [ 78.037554][ T5332] do_el0_svc+0x58/0x14c [ 78.038306][ T5332] el0_svc+0x78/0x1e0 [ 78.038995][ T5332] el0t_64_sync_handler+0xcc/0xe4 [ 78.039886][ T5332] el0t_64_sync+0x1a0/0x1a4 [ 78.232300][ T5353] loop0: detected capacity change from 0 to 32768 [ 78.271421][ T5353] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.34 (5353) [ 78.276794][ T5353] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 78.278219][ T5353] BTRFS info (device loop0): setting nodatacow, compression disabled [ 78.279742][ T5353] BTRFS info (device loop0): setting datacow [ 78.280759][ T5353] BTRFS info (device loop0): doing ref verification [ 78.281955][ T5353] BTRFS info (device loop0): force clearing of disk cache [ 78.283186][ T5353] BTRFS info (device loop0): turning off barriers [ 78.284342][ T5353] BTRFS info (device loop0): use zlib compression, level 3 [ 78.285597][ T5353] BTRFS info (device loop0): using free space tree [ 78.286665][ T5353] BTRFS info (device loop0): has skinny extents [ 78.299512][ T5353] BTRFS info (device loop0): clearing free space tree [ 78.300592][ T5353] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 78.302064][ T5353] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 78.305565][ T5353] BTRFS info (device loop0): creating free space tree [ 78.307051][ T5353] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 78.308615][ T5353] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 78.314029][ T5353] FAULT_INJECTION: forcing a failure. [ 78.314029][ T5353] name failslab, interval 1, probability 0, space 0, times 0 [ 78.316048][ T5353] CPU: 0 PID: 5353 Comm: syz.0.34 Tainted: G W syzkaller #0 [ 78.317286][ T5353] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 78.318782][ T5353] Call trace: [ 78.319271][ T5353] dump_backtrace+0x0/0x43c [ 78.319956][ T5353] show_stack+0x2c/0x3c [ 78.320553][ T5353] __dump_stack+0x30/0x40 [ 78.321215][ T5353] dump_stack_lvl+0xf8/0x160 [ 78.321883][ T5353] dump_stack+0x1c/0x5c [ 78.322486][ T5353] should_fail+0x3c0/0x51c [ 78.323183][ T5353] __should_failslab+0xbc/0x10c [ 78.323891][ T5353] should_failslab+0x10/0x28 [ 78.324593][ T5353] slab_pre_alloc_hook+0x64/0xec [ 78.325335][ T5353] kmem_cache_alloc+0x94/0x3e4 [ 78.326047][ T5353] btrfs_alloc_path+0x5c/0x68 [ 78.326767][ T5353] btrfs_insert_dir_item+0x16c/0x3b8 [ 78.327697][ T5353] btrfs_add_link+0x294/0xa68 [ 78.328418][ T5353] btrfs_create+0x45c/0x508 [ 78.329168][ T5353] path_openat+0x1144/0x26e4 [ 78.329938][ T5353] do_filp_open+0x164/0x330 [ 78.330705][ T5353] do_sys_openat2+0x128/0x3d8 [ 78.331460][ T5353] __arm64_sys_openat+0x120/0x154 [ 78.332339][ T5353] invoke_syscall+0x98/0x2b8 [ 78.333115][ T5353] el0_svc_common+0x138/0x258 [ 78.333910][ T5353] do_el0_svc+0x58/0x14c [ 78.334601][ T5353] el0_svc+0x78/0x1e0 [ 78.335250][ T5353] el0t_64_sync_handler+0xcc/0xe4 [ 78.336099][ T5353] el0t_64_sync+0x1a0/0x1a4 [ 78.338498][ T5353] ------------[ cut here ]------------ [ 78.339789][ T5353] WARNING: CPU: 1 PID: 5353 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 78.341280][ T5353] Modules linked in: [ 78.341909][ T5353] CPU: 1 PID: 5353 Comm: syz.0.34 Tainted: G W syzkaller #0 [ 78.343299][ T5353] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 78.344994][ T5353] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 78.346213][ T5353] pc : btrfs_add_link+0x6e8/0xa68 [ 78.346981][ T5353] lr : btrfs_add_link+0x6e8/0xa68 [ 78.347750][ T5353] sp : ffff8000211b7580 [ 78.348494][ T5353] x29: ffff8000211b7680 x28: ffff0000deaaab00 x27: 0000000000000108 [ 78.349915][ T5353] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 78.351317][ T5353] x23: 0000000000000014 x22: 1fffe0001bd5556b x21: ffff700004236eb8 [ 78.352624][ T5353] x20: 00000000fffffff4 x19: ffff0000deaaab58 x18: 0000000000000001 [ 78.353859][ T5353] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 78.355056][ T5353] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 78.356416][ T5353] x11: 0000000000000000 x10: 0000000000000000 x9 : badd09b577b20b00 [ 78.357753][ T5353] x8 : badd09b577b20b00 x7 : 0000000000000001 x6 : 0000000000000001 [ 78.358966][ T5353] x5 : ffff8000211b6e78 x4 : ffff80001425f420 x3 : ffff800008504400 [ 78.360303][ T5353] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 78.361558][ T5353] Call trace: [ 78.362001][ T5353] btrfs_add_link+0x6e8/0xa68 [ 78.362752][ T5353] btrfs_create+0x45c/0x508 [ 78.363522][ T5353] path_openat+0x1144/0x26e4 [ 78.364317][ T5353] do_filp_open+0x164/0x330 [ 78.365096][ T5353] do_sys_openat2+0x128/0x3d8 [ 78.365822][ T5353] __arm64_sys_openat+0x120/0x154 [ 78.366688][ T5353] invoke_syscall+0x98/0x2b8 [ 78.367455][ T5353] el0_svc_common+0x138/0x258 [ 78.368220][ T5353] do_el0_svc+0x58/0x14c [ 78.368861][ T5353] el0_svc+0x78/0x1e0 [ 78.369478][ T5353] el0t_64_sync_handler+0xcc/0xe4 [ 78.370271][ T5353] el0t_64_sync+0x1a0/0x1a4 [ 78.370995][ T5353] irq event stamp: 81942 [ 78.371646][ T5353] hardirqs last enabled at (81941): [] __up_console_sem+0xb4/0x100 [ 78.373176][ T5353] hardirqs last disabled at (81942): [] el1_dbg+0x24/0x80 [ 78.374538][ T5353] softirqs last enabled at (81932): [] handle_softirqs+0xa4c/0xbf0 [ 78.375984][ T5353] softirqs last disabled at (81723): [] __irq_exit_rcu+0x240/0x440 [ 78.377448][ T5353] ---[ end trace 9ae2f55a585c3a78 ]--- [ 78.380536][ T5353] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 78.381971][ T5353] BTRFS info (device loop0): forced readonly [ 78.564311][ T5375] loop0: detected capacity change from 0 to 32768 [ 78.600651][ T5375] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.35 (5375) [ 78.605268][ T5375] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 78.606686][ T5375] BTRFS info (device loop0): setting nodatacow, compression disabled [ 78.608036][ T5375] BTRFS info (device loop0): setting datacow [ 78.608949][ T5375] BTRFS info (device loop0): doing ref verification [ 78.610222][ T5375] BTRFS info (device loop0): force clearing of disk cache [ 78.611203][ T5375] BTRFS info (device loop0): turning off barriers [ 78.612135][ T5375] BTRFS info (device loop0): use zlib compression, level 3 [ 78.613329][ T5375] BTRFS info (device loop0): using free space tree [ 78.614364][ T5375] BTRFS info (device loop0): has skinny extents [ 78.622331][ T5375] BTRFS info (device loop0): clearing free space tree [ 78.623592][ T5375] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 78.625064][ T5375] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 78.628431][ T5375] BTRFS info (device loop0): creating free space tree [ 78.630756][ T5375] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 78.632252][ T5375] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 78.636539][ T5375] FAULT_INJECTION: forcing a failure. [ 78.636539][ T5375] name failslab, interval 1, probability 0, space 0, times 0 [ 78.638492][ T5375] CPU: 0 PID: 5375 Comm: syz.0.35 Tainted: G W syzkaller #0 [ 78.639809][ T5375] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 78.641296][ T5375] Call trace: [ 78.641767][ T5375] dump_backtrace+0x0/0x43c [ 78.642446][ T5375] show_stack+0x2c/0x3c [ 78.643079][ T5375] __dump_stack+0x30/0x40 [ 78.643736][ T5375] dump_stack_lvl+0xf8/0x160 [ 78.644480][ T5375] dump_stack+0x1c/0x5c [ 78.645152][ T5375] should_fail+0x3c0/0x51c [ 78.645808][ T5375] __should_failslab+0xbc/0x10c [ 78.646637][ T5375] should_failslab+0x10/0x28 [ 78.647373][ T5375] slab_pre_alloc_hook+0x64/0xec [ 78.648190][ T5375] kmem_cache_alloc+0x94/0x3e4 [ 78.648882][ T5375] btrfs_alloc_path+0x5c/0x68 [ 78.649568][ T5375] btrfs_insert_dir_item+0x16c/0x3b8 [ 78.650329][ T5375] btrfs_add_link+0x294/0xa68 [ 78.651006][ T5375] btrfs_create+0x45c/0x508 [ 78.651684][ T5375] path_openat+0x1144/0x26e4 [ 78.652414][ T5375] do_filp_open+0x164/0x330 [ 78.653108][ T5375] do_sys_openat2+0x128/0x3d8 [ 78.653801][ T5375] __arm64_sys_openat+0x120/0x154 [ 78.654723][ T5375] invoke_syscall+0x98/0x2b8 [ 78.655550][ T5375] el0_svc_common+0x138/0x258 [ 78.656378][ T5375] do_el0_svc+0x58/0x14c [ 78.657124][ T5375] el0_svc+0x78/0x1e0 [ 78.657782][ T5375] el0t_64_sync_handler+0xcc/0xe4 [ 78.658616][ T5375] el0t_64_sync+0x1a0/0x1a4 [ 78.661120][ T5375] ------------[ cut here ]------------ [ 78.662068][ T5375] WARNING: CPU: 0 PID: 5375 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 78.663462][ T5375] Modules linked in: [ 78.664105][ T5375] CPU: 0 PID: 5375 Comm: syz.0.35 Tainted: G W syzkaller #0 [ 78.665490][ T5375] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 78.666921][ T5375] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 78.668108][ T5375] pc : btrfs_add_link+0x6e8/0xa68 [ 78.668835][ T5375] lr : btrfs_add_link+0x6e8/0xa68 [ 78.669657][ T5375] sp : ffff8000211b7580 [ 78.670245][ T5375] x29: ffff8000211b7680 x28: ffff0000deaaad10 x27: 0000000000000108 [ 78.671607][ T5375] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 78.673030][ T5375] x23: 0000000000000014 x22: 1fffe0001bd555ad x21: ffff700004236eb8 [ 78.674393][ T5375] x20: 00000000fffffff4 x19: ffff0000deaaad68 x18: 0000000000000001 [ 78.675625][ T5375] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 78.676884][ T5375] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 78.678179][ T5375] x11: 0000000000000000 x10: 0000000000000000 x9 : 327c07593ea3e500 [ 78.679357][ T5375] x8 : 327c07593ea3e500 x7 : 0000000000000001 x6 : 0000000000000001 [ 78.680534][ T5375] x5 : ffff8000211b6e78 x4 : ffff80001425f420 x3 : ffff800008504400 [ 78.681900][ T5375] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 78.683269][ T5375] Call trace: [ 78.683812][ T5375] btrfs_add_link+0x6e8/0xa68 [ 78.684631][ T5375] btrfs_create+0x45c/0x508 [ 78.685370][ T5375] path_openat+0x1144/0x26e4 [ 78.686089][ T5375] do_filp_open+0x164/0x330 [ 78.686871][ T5375] do_sys_openat2+0x128/0x3d8 [ 78.687592][ T5375] __arm64_sys_openat+0x120/0x154 [ 78.688413][ T5375] invoke_syscall+0x98/0x2b8 [ 78.689150][ T5375] el0_svc_common+0x138/0x258 [ 78.689868][ T5375] do_el0_svc+0x58/0x14c [ 78.690622][ T5375] el0_svc+0x78/0x1e0 [ 78.691299][ T5375] el0t_64_sync_handler+0xcc/0xe4 [ 78.692159][ T5375] el0t_64_sync+0x1a0/0x1a4 [ 78.692879][ T5375] irq event stamp: 81014 [ 78.693507][ T5375] hardirqs last enabled at (81013): [] __up_console_sem+0xb4/0x100 [ 78.695196][ T5375] hardirqs last disabled at (81014): [] el1_dbg+0x24/0x80 [ 78.696680][ T5375] softirqs last enabled at (80994): [] handle_softirqs+0xa4c/0xbf0 [ 78.698371][ T5375] softirqs last disabled at (80859): [] __irq_exit_rcu+0x240/0x440 [ 78.699996][ T5375] ---[ end trace 9ae2f55a585c3a79 ]--- [ 78.701327][ T5375] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 78.702768][ T5375] BTRFS info (device loop0): forced readonly [ 78.875657][ T5397] loop0: detected capacity change from 0 to 32768 [ 78.911488][ T5397] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.36 (5397) [ 78.914779][ T5397] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 78.916179][ T5397] BTRFS info (device loop0): setting nodatacow, compression disabled [ 78.917435][ T5397] BTRFS info (device loop0): setting datacow [ 78.918434][ T5397] BTRFS info (device loop0): doing ref verification [ 78.923173][ T5397] BTRFS info (device loop0): force clearing of disk cache [ 78.924449][ T5397] BTRFS info (device loop0): turning off barriers [ 78.925486][ T5397] BTRFS info (device loop0): use zlib compression, level 3 [ 78.926678][ T5397] BTRFS info (device loop0): using free space tree [ 78.927764][ T5397] BTRFS info (device loop0): has skinny extents [ 78.937203][ T5397] BTRFS info (device loop0): clearing free space tree [ 78.938369][ T5397] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 78.939888][ T5397] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 78.943557][ T5397] BTRFS info (device loop0): creating free space tree [ 78.945135][ T5397] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 78.946730][ T5397] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 78.951067][ T5397] FAULT_INJECTION: forcing a failure. [ 78.951067][ T5397] name failslab, interval 1, probability 0, space 0, times 0 [ 78.953261][ T5397] CPU: 0 PID: 5397 Comm: syz.0.36 Tainted: G W syzkaller #0 [ 78.954683][ T5397] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 78.956375][ T5397] Call trace: [ 78.956920][ T5397] dump_backtrace+0x0/0x43c [ 78.957687][ T5397] show_stack+0x2c/0x3c [ 78.958416][ T5397] __dump_stack+0x30/0x40 [ 78.959169][ T5397] dump_stack_lvl+0xf8/0x160 [ 78.959935][ T5397] dump_stack+0x1c/0x5c [ 78.960684][ T5397] should_fail+0x3c0/0x51c [ 78.961473][ T5397] __should_failslab+0xbc/0x10c [ 78.962347][ T5397] should_failslab+0x10/0x28 [ 78.963109][ T5397] slab_pre_alloc_hook+0x64/0xec [ 78.963937][ T5397] kmem_cache_alloc+0x94/0x3e4 [ 78.964713][ T5397] btrfs_alloc_path+0x5c/0x68 [ 78.965447][ T5397] btrfs_insert_dir_item+0x16c/0x3b8 [ 78.966345][ T5397] btrfs_add_link+0x294/0xa68 [ 78.967063][ T5397] btrfs_create+0x45c/0x508 [ 78.967777][ T5397] path_openat+0x1144/0x26e4 [ 78.968579][ T5397] do_filp_open+0x164/0x330 [ 78.969501][ T5397] do_sys_openat2+0x128/0x3d8 [ 78.970313][ T5397] __arm64_sys_openat+0x120/0x154 [ 78.971197][ T5397] invoke_syscall+0x98/0x2b8 [ 78.971991][ T5397] el0_svc_common+0x138/0x258 [ 78.972805][ T5397] do_el0_svc+0x58/0x14c [ 78.973541][ T5397] el0_svc+0x78/0x1e0 [ 78.974217][ T5397] el0t_64_sync_handler+0xcc/0xe4 [ 78.975044][ T5397] el0t_64_sync+0x1a0/0x1a4 [ 78.976247][ T5397] ------------[ cut here ]------------ [ 78.977196][ T5397] WARNING: CPU: 0 PID: 5397 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 78.978567][ T5397] Modules linked in: [ 78.979211][ T5397] CPU: 0 PID: 5397 Comm: syz.0.36 Tainted: G W syzkaller #0 [ 78.980675][ T5397] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 78.982393][ T5397] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 78.983612][ T5397] pc : btrfs_add_link+0x6e8/0xa68 [ 78.984490][ T5397] lr : btrfs_add_link+0x6e8/0xa68 [ 78.985283][ T5397] sp : ffff8000219a7580 [ 78.985955][ T5397] x29: ffff8000219a7680 x28: ffff0000dd257b00 x27: 0000000000000108 [ 78.987344][ T5397] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 78.988693][ T5397] x23: 0000000000000014 x22: 1fffe0001ba4af6b x21: ffff700004334eb8 [ 78.990002][ T5397] x20: 00000000fffffff4 x19: ffff0000dd257b58 x18: 0000000000000001 [ 78.991350][ T5397] x17: 0000000000000000 x16: ffff800008302168 x15: 00000000ffffffff [ 78.992628][ T5397] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 78.993950][ T5397] x11: 0000000000000000 x10: 0000000000000000 x9 : bbb740efa47dc500 [ 78.995301][ T5397] x8 : bbb740efa47dc500 x7 : 0000000000000001 x6 : 0000000000000001 [ 78.996619][ T5397] x5 : ffff8000219a6e78 x4 : ffff80001425f420 x3 : ffff800008302278 [ 78.997917][ T5397] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 78.999232][ T5397] Call trace: [ 78.999740][ T5397] btrfs_add_link+0x6e8/0xa68 [ 79.000460][ T5397] btrfs_create+0x45c/0x508 [ 79.001181][ T5397] path_openat+0x1144/0x26e4 [ 79.002006][ T5397] do_filp_open+0x164/0x330 [ 79.002772][ T5397] do_sys_openat2+0x128/0x3d8 [ 79.003502][ T5397] __arm64_sys_openat+0x120/0x154 [ 79.004312][ T5397] invoke_syscall+0x98/0x2b8 [ 79.005071][ T5397] el0_svc_common+0x138/0x258 [ 79.005821][ T5397] do_el0_svc+0x58/0x14c [ 79.006481][ T5397] el0_svc+0x78/0x1e0 [ 79.007082][ T5397] el0t_64_sync_handler+0xcc/0xe4 [ 79.007892][ T5397] el0t_64_sync+0x1a0/0x1a4 [ 79.008585][ T5397] irq event stamp: 81408 [ 79.009264][ T5397] hardirqs last enabled at (81407): [] __up_console_sem+0xb4/0x100 [ 79.010630][ T5397] hardirqs last disabled at (81408): [] el1_dbg+0x24/0x80 [ 79.011983][ T5397] softirqs last enabled at (81388): [] handle_softirqs+0xa4c/0xbf0 [ 79.013653][ T5397] softirqs last disabled at (81289): [] __irq_exit_rcu+0x240/0x440 [ 79.015242][ T5397] ---[ end trace 9ae2f55a585c3a7a ]--- [ 79.016392][ T5397] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 79.017828][ T5397] BTRFS info (device loop0): forced readonly [ 79.194096][ T5419] loop0: detected capacity change from 0 to 32768 [ 79.246927][ T5419] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.37 (5419) [ 79.253340][ T5419] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 79.254708][ T5419] BTRFS info (device loop0): setting nodatacow, compression disabled [ 79.256098][ T5419] BTRFS info (device loop0): setting datacow [ 79.257107][ T5419] BTRFS info (device loop0): doing ref verification [ 79.258198][ T5419] BTRFS info (device loop0): force clearing of disk cache [ 79.260092][ T5419] BTRFS info (device loop0): turning off barriers [ 79.261104][ T5419] BTRFS info (device loop0): use zlib compression, level 3 [ 79.262428][ T5419] BTRFS info (device loop0): using free space tree [ 79.263515][ T5419] BTRFS info (device loop0): has skinny extents [ 79.272153][ T5419] BTRFS info (device loop0): clearing free space tree [ 79.273398][ T5419] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 79.274979][ T5419] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 79.278366][ T5419] BTRFS info (device loop0): creating free space tree [ 79.280351][ T5419] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 79.281861][ T5419] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 79.286270][ T5419] FAULT_INJECTION: forcing a failure. [ 79.286270][ T5419] name failslab, interval 1, probability 0, space 0, times 0 [ 79.288373][ T5419] CPU: 1 PID: 5419 Comm: syz.0.37 Tainted: G W syzkaller #0 [ 79.289849][ T5419] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 79.291487][ T5419] Call trace: [ 79.292039][ T5419] dump_backtrace+0x0/0x43c [ 79.292807][ T5419] show_stack+0x2c/0x3c [ 79.293443][ T5419] __dump_stack+0x30/0x40 [ 79.294098][ T5419] dump_stack_lvl+0xf8/0x160 [ 79.294845][ T5419] dump_stack+0x1c/0x5c [ 79.295527][ T5419] should_fail+0x3c0/0x51c [ 79.296213][ T5419] __should_failslab+0xbc/0x10c [ 79.296973][ T5419] should_failslab+0x10/0x28 [ 79.297672][ T5419] slab_pre_alloc_hook+0x64/0xec [ 79.298491][ T5419] kmem_cache_alloc+0x94/0x3e4 [ 79.299292][ T5419] btrfs_get_or_create_delayed_node+0x128/0x4c8 [ 79.300320][ T5419] btrfs_delayed_update_inode+0x3c/0x1b7c [ 79.301319][ T5419] btrfs_update_inode+0x210/0x3d4 [ 79.302163][ T5419] btrfs_create+0x360/0x508 [ 79.302923][ T5419] path_openat+0x1144/0x26e4 [ 79.303687][ T5419] do_filp_open+0x164/0x330 [ 79.304347][ T5419] do_sys_openat2+0x128/0x3d8 [ 79.305120][ T5419] __arm64_sys_openat+0x120/0x154 [ 79.305960][ T5419] invoke_syscall+0x98/0x2b8 [ 79.306685][ T5419] el0_svc_common+0x138/0x258 [ 79.307385][ T5419] do_el0_svc+0x58/0x14c [ 79.308061][ T5419] el0_svc+0x78/0x1e0 [ 79.308717][ T5419] el0t_64_sync_handler+0xcc/0xe4 [ 79.309547][ T5419] el0t_64_sync+0x1a0/0x1a4 [ 79.353984][ T4910] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 12 /dev/loop0 scanned by udevd (4910) [ 79.455155][ T5441] loop0: detected capacity change from 0 to 32768 [ 79.511437][ T5441] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 79.512852][ T5441] BTRFS info (device loop0): setting nodatacow, compression disabled [ 79.514228][ T5441] BTRFS info (device loop0): setting datacow [ 79.515246][ T5441] BTRFS info (device loop0): doing ref verification [ 79.516362][ T5441] BTRFS info (device loop0): force clearing of disk cache [ 79.517595][ T5441] BTRFS info (device loop0): turning off barriers [ 79.532193][ T5441] FAULT_INJECTION: forcing a failure. [ 79.532193][ T5441] name failslab, interval 1, probability 0, space 0, times 0 [ 79.534269][ T5441] CPU: 1 PID: 5441 Comm: syz.0.38 Tainted: G W syzkaller #0 [ 79.535752][ T5441] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 79.537431][ T5441] Call trace: [ 79.537940][ T5441] dump_backtrace+0x0/0x43c [ 79.538671][ T5441] show_stack+0x2c/0x3c [ 79.539360][ T5441] __dump_stack+0x30/0x40 [ 79.540046][ T5441] dump_stack_lvl+0xf8/0x160 [ 79.540867][ T5441] dump_stack+0x1c/0x5c [ 79.541550][ T5441] should_fail+0x3c0/0x51c [ 79.542260][ T5441] __should_failslab+0xbc/0x10c [ 79.543077][ T5441] should_failslab+0x10/0x28 [ 79.543836][ T5441] slab_pre_alloc_hook+0x64/0xec [ 79.544648][ T5441] kmem_cache_alloc+0x94/0x3e4 [ 79.545412][ T5441] btrfs_alloc_path+0x5c/0x68 [ 79.546186][ T5441] btrfs_insert_dir_item+0x16c/0x3b8 [ 79.547105][ T5441] btrfs_add_link+0x294/0xa68 [ 79.547895][ T5441] btrfs_create+0x45c/0x508 [ 79.548573][ T5441] path_openat+0x1144/0x26e4 [ 79.549290][ T5441] do_filp_open+0x164/0x330 [ 79.550014][ T5441] do_sys_openat2+0x128/0x3d8 [ 79.550818][ T5441] __arm64_sys_openat+0x120/0x154 [ 79.551696][ T5441] invoke_syscall+0x98/0x2b8 [ 79.552457][ T5441] el0_svc_common+0x138/0x258 [ 79.553169][ T5441] do_el0_svc+0x58/0x14c [ 79.553924][ T5441] el0_svc+0x78/0x1e0 [ 79.554620][ T5441] el0t_64_sync_handler+0xcc/0xe4 [ 79.555484][ T5441] el0t_64_sync+0x1a0/0x1a4 [ 79.557579][ T5441] ------------[ cut here ]------------ [ 79.558602][ T5441] WARNING: CPU: 1 PID: 5441 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 79.560095][ T5441] Modules linked in: [ 79.560790][ T5441] CPU: 1 PID: 5441 Comm: syz.0.38 Tainted: G W syzkaller #0 [ 79.562317][ T5441] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 79.564009][ T5441] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.565294][ T5441] pc : btrfs_add_link+0x6e8/0xa68 [ 79.566107][ T5441] lr : btrfs_add_link+0x6e8/0xa68 [ 79.566927][ T5441] sp : ffff800021af7580 [ 79.567633][ T5441] x29: ffff800021af7680 x28: ffff0000deaa62c0 x27: 0000000000000108 [ 79.568964][ T5441] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 79.570173][ T5441] x23: 0000000000000014 x22: 1fffe0001bd54c63 x21: ffff70000435eeb8 [ 79.571581][ T5441] x20: 00000000fffffff4 x19: ffff0000deaa6318 x18: 0000000000000001 [ 79.572977][ T5441] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 79.574272][ T5441] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 79.575584][ T5441] x11: 0000000000000000 x10: 0000000000000000 x9 : fffccbd16153aa00 [ 79.576823][ T5441] x8 : fffccbd16153aa00 x7 : 0000000000000001 x6 : 0000000000000001 [ 79.578141][ T5441] x5 : ffff800021af6e78 x4 : ffff80001425f420 x3 : ffff800008504400 [ 79.579456][ T5441] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 79.580810][ T5441] Call trace: [ 79.581326][ T5441] btrfs_add_link+0x6e8/0xa68 [ 79.582146][ T5441] btrfs_create+0x45c/0x508 [ 79.582877][ T5441] path_openat+0x1144/0x26e4 [ 79.583611][ T5441] do_filp_open+0x164/0x330 [ 79.584321][ T5441] do_sys_openat2+0x128/0x3d8 [ 79.585075][ T5441] __arm64_sys_openat+0x120/0x154 [ 79.585886][ T5441] invoke_syscall+0x98/0x2b8 [ 79.586601][ T5441] el0_svc_common+0x138/0x258 [ 79.587377][ T5441] do_el0_svc+0x58/0x14c [ 79.588092][ T5441] el0_svc+0x78/0x1e0 [ 79.588803][ T5441] el0t_64_sync_handler+0xcc/0xe4 [ 79.589613][ T5441] el0t_64_sync+0x1a0/0x1a4 [ 79.590298][ T5441] irq event stamp: 80708 [ 79.591023][ T5441] hardirqs last enabled at (80707): [] __up_console_sem+0xb4/0x100 [ 79.592593][ T5441] hardirqs last disabled at (80708): [] el1_dbg+0x24/0x80 [ 79.593980][ T5441] softirqs last enabled at (80688): [] handle_softirqs+0xa4c/0xbf0 [ 79.595639][ T5441] softirqs last disabled at (80665): [] __irq_exit_rcu+0x240/0x440 [ 79.597245][ T5441] ---[ end trace 9ae2f55a585c3a7b ]--- [ 79.599738][ T5441] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 79.744485][ T5463] loop0: detected capacity change from 0 to 32768 [ 79.844009][ T5463] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.39 (5463) [ 79.862356][ T5463] FAULT_INJECTION: forcing a failure. [ 79.862356][ T5463] name failslab, interval 1, probability 0, space 0, times 0 [ 79.864578][ T5463] CPU: 0 PID: 5463 Comm: syz.0.39 Tainted: G W syzkaller #0 [ 79.865763][ T5463] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 79.867463][ T5463] Call trace: [ 79.868070][ T5463] dump_backtrace+0x0/0x43c [ 79.868824][ T5463] show_stack+0x2c/0x3c [ 79.869519][ T5463] __dump_stack+0x30/0x40 [ 79.870278][ T5463] dump_stack_lvl+0xf8/0x160 [ 79.871066][ T5463] dump_stack+0x1c/0x5c [ 79.871756][ T5463] should_fail+0x3c0/0x51c [ 79.872466][ T5463] __should_failslab+0xbc/0x10c [ 79.873246][ T5463] should_failslab+0x10/0x28 [ 79.873952][ T5463] slab_pre_alloc_hook+0x64/0xec [ 79.874714][ T5463] kmem_cache_alloc+0x94/0x3e4 [ 79.875449][ T5463] btrfs_alloc_path+0x5c/0x68 [ 79.876155][ T5463] btrfs_insert_dir_item+0x16c/0x3b8 [ 79.876947][ T5463] btrfs_add_link+0x294/0xa68 [ 79.877723][ T5463] btrfs_create+0x45c/0x508 [ 79.878480][ T5463] path_openat+0x1144/0x26e4 [ 79.879269][ T5463] do_filp_open+0x164/0x330 [ 79.880057][ T5463] do_sys_openat2+0x128/0x3d8 [ 79.880848][ T5463] __arm64_sys_openat+0x120/0x154 [ 79.881668][ T5463] invoke_syscall+0x98/0x2b8 [ 79.882444][ T5463] el0_svc_common+0x138/0x258 [ 79.883223][ T5463] do_el0_svc+0x58/0x14c [ 79.883945][ T5463] el0_svc+0x78/0x1e0 [ 79.884641][ T5463] el0t_64_sync_handler+0xcc/0xe4 [ 79.885433][ T5463] el0t_64_sync+0x1a0/0x1a4 [ 79.888520][ T5463] ------------[ cut here ]------------ [ 79.889620][ T5463] WARNING: CPU: 0 PID: 5463 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 79.890909][ T5463] Modules linked in: [ 79.891546][ T5463] CPU: 0 PID: 5463 Comm: syz.0.39 Tainted: G W syzkaller #0 [ 79.892959][ T5463] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 79.894630][ T5463] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.895866][ T5463] pc : btrfs_add_link+0x6e8/0xa68 [ 79.896729][ T5463] lr : btrfs_add_link+0x6e8/0xa68 [ 79.897577][ T5463] sp : ffff8000219c7580 [ 79.898234][ T5463] x29: ffff8000219c7680 x28: ffff0000dd257790 x27: 0000000000000108 [ 79.899545][ T5463] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 79.900999][ T5463] x23: 0000000000000014 x22: 1fffe0001ba4aefd x21: ffff700004338eb8 [ 79.902353][ T5463] x20: 00000000fffffff4 x19: ffff0000dd2577e8 x18: 0000000000000001 [ 79.903640][ T5463] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 79.904941][ T5463] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 79.906369][ T5463] x11: 0000000000000000 x10: 0000000000000000 x9 : 002ddd8780b3fd00 [ 79.907725][ T5463] x8 : 002ddd8780b3fd00 x7 : 0000000000000001 x6 : 0000000000000001 [ 79.909157][ T5463] x5 : ffff8000219c6e78 x4 : ffff80001425f420 x3 : ffff800008504400 [ 79.910558][ T5463] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 79.911916][ T5463] Call trace: [ 79.912476][ T5463] btrfs_add_link+0x6e8/0xa68 [ 79.913304][ T5463] btrfs_create+0x45c/0x508 [ 79.914032][ T5463] path_openat+0x1144/0x26e4 [ 79.914746][ T5463] do_filp_open+0x164/0x330 [ 79.915471][ T5463] do_sys_openat2+0x128/0x3d8 [ 79.916299][ T5463] __arm64_sys_openat+0x120/0x154 [ 79.917176][ T5463] invoke_syscall+0x98/0x2b8 [ 79.917925][ T5463] el0_svc_common+0x138/0x258 [ 79.918710][ T5463] do_el0_svc+0x58/0x14c [ 79.919402][ T5463] el0_svc+0x78/0x1e0 [ 79.920019][ T5463] el0t_64_sync_handler+0xcc/0xe4 [ 79.920838][ T5463] el0t_64_sync+0x1a0/0x1a4 [ 79.921536][ T5463] irq event stamp: 80652 [ 79.922226][ T5463] hardirqs last enabled at (80651): [] __up_console_sem+0xb4/0x100 [ 79.923774][ T5463] hardirqs last disabled at (80652): [] el1_dbg+0x24/0x80 [ 79.925230][ T5463] softirqs last enabled at (80640): [] handle_softirqs+0xa4c/0xbf0 [ 79.926838][ T5463] softirqs last disabled at (80625): [] __irq_exit_rcu+0x240/0x440 [ 79.928378][ T5463] ---[ end trace 9ae2f55a585c3a7c ]--- [ 79.931392][ T5463] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 80.067891][ T5485] loop0: detected capacity change from 0 to 32768 [ 80.075692][ T5485] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.40 (5485) [ 80.091566][ T5485] FAULT_INJECTION: forcing a failure. [ 80.091566][ T5485] name failslab, interval 1, probability 0, space 0, times 0 [ 80.093508][ T5485] CPU: 1 PID: 5485 Comm: syz.0.40 Tainted: G W syzkaller #0 [ 80.094884][ T5485] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 80.096549][ T5485] Call trace: [ 80.097048][ T5485] dump_backtrace+0x0/0x43c [ 80.097850][ T5485] show_stack+0x2c/0x3c [ 80.098565][ T5485] __dump_stack+0x30/0x40 [ 80.099277][ T5485] dump_stack_lvl+0xf8/0x160 [ 80.100076][ T5485] dump_stack+0x1c/0x5c [ 80.100716][ T5485] should_fail+0x3c0/0x51c [ 80.101416][ T5485] __should_failslab+0xbc/0x10c [ 80.102220][ T5485] should_failslab+0x10/0x28 [ 80.103019][ T5485] slab_pre_alloc_hook+0x64/0xec [ 80.103881][ T5485] kmem_cache_alloc+0x94/0x3e4 [ 80.104706][ T5485] btrfs_alloc_path+0x5c/0x68 [ 80.105508][ T5485] btrfs_insert_dir_item+0x16c/0x3b8 [ 80.106384][ T5485] btrfs_add_link+0x294/0xa68 [ 80.107109][ T5485] btrfs_create+0x45c/0x508 [ 80.107827][ T5485] path_openat+0x1144/0x26e4 [ 80.108549][ T5485] do_filp_open+0x164/0x330 [ 80.109228][ T5485] do_sys_openat2+0x128/0x3d8 [ 80.109951][ T5485] __arm64_sys_openat+0x120/0x154 [ 80.110741][ T5485] invoke_syscall+0x98/0x2b8 [ 80.111467][ T5485] el0_svc_common+0x138/0x258 [ 80.112180][ T5485] do_el0_svc+0x58/0x14c [ 80.112884][ T5485] el0_svc+0x78/0x1e0 [ 80.113537][ T5485] el0t_64_sync_handler+0xcc/0xe4 [ 80.114361][ T5485] el0t_64_sync+0x1a0/0x1a4 [ 80.117531][ T5485] ------------[ cut here ]------------ [ 80.118438][ T5485] WARNING: CPU: 1 PID: 5485 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 80.119810][ T5485] Modules linked in: [ 80.120460][ T5485] CPU: 1 PID: 5485 Comm: syz.0.40 Tainted: G W syzkaller #0 [ 80.121908][ T5485] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 80.123539][ T5485] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 80.124856][ T5485] pc : btrfs_add_link+0x6e8/0xa68 [ 80.125643][ T5485] lr : btrfs_add_link+0x6e8/0xa68 [ 80.126478][ T5485] sp : ffff800021867580 [ 80.127148][ T5485] x29: ffff800021867680 x28: ffff0000deaa60b0 x27: 0000000000000108 [ 80.128454][ T5485] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 80.129783][ T5485] x23: 0000000000000014 x22: 1fffe0001bd54c21 x21: ffff70000430ceb8 [ 80.131055][ T5485] x20: 00000000fffffff4 x19: ffff0000deaa6108 x18: 0000000000000001 [ 80.132380][ T5485] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 80.133730][ T5485] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 80.135125][ T5485] x11: 0000000000000000 x10: 0000000000000000 x9 : 1da3aeecaa302700 [ 80.136464][ T5485] x8 : 1da3aeecaa302700 x7 : 0000000000000001 x6 : 0000000000000001 [ 80.137866][ T5485] x5 : ffff800021866e78 x4 : ffff80001425f420 x3 : ffff800008504400 [ 80.139155][ T5485] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 80.140548][ T5485] Call trace: [ 80.141119][ T5485] btrfs_add_link+0x6e8/0xa68 [ 80.141891][ T5485] btrfs_create+0x45c/0x508 [ 80.142614][ T5485] path_openat+0x1144/0x26e4 [ 80.143344][ T5485] do_filp_open+0x164/0x330 [ 80.144121][ T5485] do_sys_openat2+0x128/0x3d8 [ 80.144942][ T5485] __arm64_sys_openat+0x120/0x154 [ 80.145858][ T5485] invoke_syscall+0x98/0x2b8 [ 80.146650][ T5485] el0_svc_common+0x138/0x258 [ 80.147462][ T5485] do_el0_svc+0x58/0x14c [ 80.148188][ T5485] el0_svc+0x78/0x1e0 [ 80.148839][ T5485] el0t_64_sync_handler+0xcc/0xe4 [ 80.149719][ T5485] el0t_64_sync+0x1a0/0x1a4 [ 80.150454][ T5485] irq event stamp: 81042 [ 80.151121][ T5485] hardirqs last enabled at (81041): [] __up_console_sem+0xb4/0x100 [ 80.152644][ T5485] hardirqs last disabled at (81042): [] el1_dbg+0x24/0x80 [ 80.154007][ T5485] softirqs last enabled at (81022): [] handle_softirqs+0xa4c/0xbf0 [ 80.155627][ T5485] softirqs last disabled at (80909): [] __irq_exit_rcu+0x240/0x440 [ 80.157169][ T5485] ---[ end trace 9ae2f55a585c3a7d ]--- [ 80.160528][ T5485] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 80.303830][ T5507] loop0: detected capacity change from 0 to 32768 [ 80.311917][ T5507] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.41 (5507) [ 80.329150][ T5507] FAULT_INJECTION: forcing a failure. [ 80.329150][ T5507] name failslab, interval 1, probability 0, space 0, times 0 [ 80.331292][ T5507] CPU: 1 PID: 5507 Comm: syz.0.41 Tainted: G W syzkaller #0 [ 80.332592][ T5507] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 80.334111][ T5507] Call trace: [ 80.334606][ T5507] dump_backtrace+0x0/0x43c [ 80.335295][ T5507] show_stack+0x2c/0x3c [ 80.335931][ T5507] __dump_stack+0x30/0x40 [ 80.336669][ T5507] dump_stack_lvl+0xf8/0x160 [ 80.337424][ T5507] dump_stack+0x1c/0x5c [ 80.338070][ T5507] should_fail+0x3c0/0x51c [ 80.338779][ T5507] __should_failslab+0xbc/0x10c [ 80.339624][ T5507] should_failslab+0x10/0x28 [ 80.340396][ T5507] slab_pre_alloc_hook+0x64/0xec [ 80.341212][ T5507] kmem_cache_alloc+0x94/0x3e4 [ 80.341999][ T5507] btrfs_get_or_create_delayed_node+0x128/0x4c8 [ 80.343023][ T5507] btrfs_delayed_update_inode+0x3c/0x1b7c [ 80.343987][ T5507] btrfs_update_inode+0x210/0x3d4 [ 80.344861][ T5507] btrfs_create+0x360/0x508 [ 80.345632][ T5507] path_openat+0x1144/0x26e4 [ 80.346380][ T5507] do_filp_open+0x164/0x330 [ 80.347120][ T5507] do_sys_openat2+0x128/0x3d8 [ 80.347871][ T5507] __arm64_sys_openat+0x120/0x154 [ 80.348714][ T5507] invoke_syscall+0x98/0x2b8 [ 80.349500][ T5507] el0_svc_common+0x138/0x258 [ 80.350305][ T5507] do_el0_svc+0x58/0x14c [ 80.351030][ T5507] el0_svc+0x78/0x1e0 [ 80.351720][ T5507] el0t_64_sync_handler+0xcc/0xe4 [ 80.352587][ T5507] el0t_64_sync+0x1a0/0x1a4 [ 80.419939][ T4910] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 12 /dev/loop0 scanned by udevd (4910) [ 80.501342][ T5528] loop0: detected capacity change from 0 to 32768 [ 80.635614][ T5528] FAULT_INJECTION: forcing a failure. [ 80.635614][ T5528] name failslab, interval 1, probability 0, space 0, times 0 [ 80.637743][ T5528] CPU: 0 PID: 5528 Comm: syz.0.42 Tainted: G W syzkaller #0 [ 80.639116][ T5528] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 80.640875][ T5528] Call trace: [ 80.641397][ T5528] dump_backtrace+0x0/0x43c [ 80.642182][ T5528] show_stack+0x2c/0x3c [ 80.642920][ T5528] __dump_stack+0x30/0x40 [ 80.643634][ T5528] dump_stack_lvl+0xf8/0x160 [ 80.644390][ T5528] dump_stack+0x1c/0x5c [ 80.645127][ T5528] should_fail+0x3c0/0x51c [ 80.645864][ T5528] __should_failslab+0xbc/0x10c [ 80.646661][ T5528] should_failslab+0x10/0x28 [ 80.647429][ T5528] slab_pre_alloc_hook+0x64/0xec [ 80.648171][ T5528] kmem_cache_alloc+0x94/0x3e4 [ 80.648948][ T5528] btrfs_alloc_path+0x5c/0x68 [ 80.649668][ T5528] btrfs_insert_dir_item+0x16c/0x3b8 [ 80.650566][ T5528] btrfs_add_link+0x294/0xa68 [ 80.651383][ T5528] btrfs_create+0x45c/0x508 [ 80.652088][ T5528] path_openat+0x1144/0x26e4 [ 80.652819][ T5528] do_filp_open+0x164/0x330 [ 80.653558][ T5528] do_sys_openat2+0x128/0x3d8 [ 80.654363][ T5528] __arm64_sys_openat+0x120/0x154 [ 80.655234][ T5528] invoke_syscall+0x98/0x2b8 [ 80.655996][ T5528] el0_svc_common+0x138/0x258 [ 80.656783][ T5528] do_el0_svc+0x58/0x14c [ 80.657506][ T5528] el0_svc+0x78/0x1e0 [ 80.658163][ T5528] el0t_64_sync_handler+0xcc/0xe4 [ 80.658983][ T5528] el0t_64_sync+0x1a0/0x1a4 [ 80.661304][ T5528] ------------[ cut here ]------------ [ 80.662293][ T5528] WARNING: CPU: 0 PID: 5528 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 80.663663][ T5528] Modules linked in: [ 80.664288][ T5528] CPU: 0 PID: 5528 Comm: syz.0.42 Tainted: G W syzkaller #0 [ 80.665709][ T5528] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 80.667254][ T5528] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 80.668489][ T5528] pc : btrfs_add_link+0x6e8/0xa68 [ 80.669318][ T5528] lr : btrfs_add_link+0x6e8/0xa68 [ 80.670171][ T5528] sp : ffff800021df7580 [ 80.670860][ T5528] x29: ffff800021df7680 x28: ffff0000dd257370 x27: 0000000000000108 [ 80.672169][ T5528] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 80.673491][ T5528] x23: 0000000000000014 x22: 1fffe0001ba4ae79 x21: ffff7000043beeb8 [ 80.674837][ T5528] x20: 00000000fffffff4 x19: ffff0000dd2573c8 x18: 0000000000000001 [ 80.676151][ T5528] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 80.677478][ T5528] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 80.678845][ T5528] x11: 0000000000000000 x10: 0000000000000000 x9 : b83c6b59bb36ac00 [ 80.680172][ T5528] x8 : b83c6b59bb36ac00 x7 : 0000000000000001 x6 : 0000000000000001 [ 80.681464][ T5528] x5 : ffff800021df6e78 x4 : ffff80001425f420 x3 : ffff800008504400 [ 80.682707][ T5528] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 80.683873][ T5528] Call trace: [ 80.684331][ T5528] btrfs_add_link+0x6e8/0xa68 [ 80.685050][ T5528] btrfs_create+0x45c/0x508 [ 80.685725][ T5528] path_openat+0x1144/0x26e4 [ 80.686463][ T5528] do_filp_open+0x164/0x330 [ 80.687147][ T5528] do_sys_openat2+0x128/0x3d8 [ 80.687903][ T5528] __arm64_sys_openat+0x120/0x154 [ 80.688728][ T5528] invoke_syscall+0x98/0x2b8 [ 80.689483][ T5528] el0_svc_common+0x138/0x258 [ 80.690288][ T5528] do_el0_svc+0x58/0x14c [ 80.691021][ T5528] el0_svc+0x78/0x1e0 [ 80.691660][ T5528] el0t_64_sync_handler+0xcc/0xe4 [ 80.692452][ T5528] el0t_64_sync+0x1a0/0x1a4 [ 80.693214][ T5528] irq event stamp: 81106 [ 80.693900][ T5528] hardirqs last enabled at (81105): [] __up_console_sem+0xb4/0x100 [ 80.695532][ T5528] hardirqs last disabled at (81106): [] el1_dbg+0x24/0x80 [ 80.696896][ T5528] softirqs last enabled at (81086): [] handle_softirqs+0xa4c/0xbf0 [ 80.698504][ T5528] softirqs last disabled at (81073): [] __irq_exit_rcu+0x240/0x440 [ 80.700029][ T5528] ---[ end trace 9ae2f55a585c3a7e ]--- [ 80.702900][ T5528] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 80.846405][ T5551] loop0: detected capacity change from 0 to 32768 [ 80.854992][ T5551] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.43 (5551) [ 80.870994][ T5551] FAULT_INJECTION: forcing a failure. [ 80.870994][ T5551] name failslab, interval 1, probability 0, space 0, times 0 [ 80.873021][ T5551] CPU: 1 PID: 5551 Comm: syz.0.43 Tainted: G W syzkaller #0 [ 80.874385][ T5551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 80.876051][ T5551] Call trace: [ 80.876604][ T5551] dump_backtrace+0x0/0x43c [ 80.877366][ T5551] show_stack+0x2c/0x3c [ 80.878057][ T5551] __dump_stack+0x30/0x40 [ 80.878769][ T5551] dump_stack_lvl+0xf8/0x160 [ 80.879512][ T5551] dump_stack+0x1c/0x5c [ 80.880204][ T5551] should_fail+0x3c0/0x51c [ 80.880935][ T5551] __should_failslab+0xbc/0x10c [ 80.881712][ T5551] should_failslab+0x10/0x28 [ 80.882514][ T5551] slab_pre_alloc_hook+0x64/0xec [ 80.883343][ T5551] kmem_cache_alloc+0x94/0x3e4 [ 80.884093][ T5551] btrfs_alloc_path+0x5c/0x68 [ 80.884846][ T5551] btrfs_insert_dir_item+0x16c/0x3b8 [ 80.885748][ T5551] btrfs_add_link+0x294/0xa68 [ 80.886507][ T5551] btrfs_create+0x45c/0x508 [ 80.887235][ T5551] path_openat+0x1144/0x26e4 [ 80.887993][ T5551] do_filp_open+0x164/0x330 [ 80.888669][ T5551] do_sys_openat2+0x128/0x3d8 [ 80.889494][ T5551] __arm64_sys_openat+0x120/0x154 [ 80.890327][ T5551] invoke_syscall+0x98/0x2b8 [ 80.891098][ T5551] el0_svc_common+0x138/0x258 [ 80.891858][ T5551] do_el0_svc+0x58/0x14c [ 80.892547][ T5551] el0_svc+0x78/0x1e0 [ 80.893155][ T5551] el0t_64_sync_handler+0xcc/0xe4 [ 80.893931][ T5551] el0t_64_sync+0x1a0/0x1a4 [ 80.896515][ T5551] ------------[ cut here ]------------ [ 80.897465][ T5551] WARNING: CPU: 1 PID: 5551 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 80.898844][ T5551] Modules linked in: [ 80.899474][ T5551] CPU: 1 PID: 5551 Comm: syz.0.43 Tainted: G W syzkaller #0 [ 80.900897][ T5551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 80.902599][ T5551] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 80.903973][ T5551] pc : btrfs_add_link+0x6e8/0xa68 [ 80.904846][ T5551] lr : btrfs_add_link+0x6e8/0xa68 [ 80.905708][ T5551] sp : ffff800021df7580 [ 80.906390][ T5551] x29: ffff800021df7680 x28: ffff0000dd1d8c60 x27: 0000000000000108 [ 80.907810][ T5551] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 80.909186][ T5551] x23: 0000000000000014 x22: 1fffe0001ba3b197 x21: ffff7000043beeb8 [ 80.910576][ T5551] x20: 00000000fffffff4 x19: ffff0000dd1d8cb8 x18: 0000000000000001 [ 80.911962][ T5551] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 80.913321][ T5551] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 80.914722][ T5551] x11: 0000000000000000 x10: 0000000000000000 x9 : 1479854767c3d900 [ 80.916106][ T5551] x8 : 1479854767c3d900 x7 : 0000000000000001 x6 : 0000000000000001 [ 80.917371][ T5551] x5 : ffff800021df6e78 x4 : ffff80001425f420 x3 : ffff800008504400 [ 80.918715][ T5551] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 80.920028][ T5551] Call trace: [ 80.920535][ T5551] btrfs_add_link+0x6e8/0xa68 [ 80.921282][ T5551] btrfs_create+0x45c/0x508 [ 80.922055][ T5551] path_openat+0x1144/0x26e4 [ 80.922865][ T5551] do_filp_open+0x164/0x330 [ 80.923658][ T5551] do_sys_openat2+0x128/0x3d8 [ 80.924466][ T5551] __arm64_sys_openat+0x120/0x154 [ 80.925324][ T5551] invoke_syscall+0x98/0x2b8 [ 80.926076][ T5551] el0_svc_common+0x138/0x258 [ 80.926797][ T5551] do_el0_svc+0x58/0x14c [ 80.927521][ T5551] el0_svc+0x78/0x1e0 [ 80.928190][ T5551] el0t_64_sync_handler+0xcc/0xe4 [ 80.928983][ T5551] el0t_64_sync+0x1a0/0x1a4 [ 80.929721][ T5551] irq event stamp: 81084 [ 80.930433][ T5551] hardirqs last enabled at (81083): [] __up_console_sem+0xb4/0x100 [ 80.931957][ T5551] hardirqs last disabled at (81084): [] el1_dbg+0x24/0x80 [ 80.933372][ T5551] softirqs last enabled at (81064): [] handle_softirqs+0xa4c/0xbf0 [ 80.934952][ T5551] softirqs last disabled at (80911): [] __irq_exit_rcu+0x240/0x440 [ 80.936513][ T5551] ---[ end trace 9ae2f55a585c3a7f ]--- [ 80.939461][ T5551] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 81.074680][ T5573] loop0: detected capacity change from 0 to 32768 [ 81.120499][ T5573] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.44 (5573) [ 81.191462][ T5573] FAULT_INJECTION: forcing a failure. [ 81.191462][ T5573] name failslab, interval 1, probability 0, space 0, times 0 [ 81.193440][ T5573] CPU: 1 PID: 5573 Comm: syz.0.44 Tainted: G W syzkaller #0 [ 81.194829][ T5573] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 81.196310][ T5573] Call trace: [ 81.196835][ T5573] dump_backtrace+0x0/0x43c [ 81.197486][ T5573] show_stack+0x2c/0x3c [ 81.198071][ T5573] __dump_stack+0x30/0x40 [ 81.198726][ T5573] dump_stack_lvl+0xf8/0x160 [ 81.199383][ T5573] dump_stack+0x1c/0x5c [ 81.200047][ T5573] should_fail+0x3c0/0x51c [ 81.200712][ T5573] __should_failslab+0xbc/0x10c [ 81.201452][ T5573] should_failslab+0x10/0x28 [ 81.202179][ T5573] slab_pre_alloc_hook+0x64/0xec [ 81.203043][ T5573] kmem_cache_alloc+0x94/0x3e4 [ 81.203802][ T5573] btrfs_get_or_create_delayed_node+0x128/0x4c8 [ 81.204888][ T5573] btrfs_delayed_update_inode+0x3c/0x1b7c [ 81.205854][ T5573] btrfs_update_inode+0x210/0x3d4 [ 81.206730][ T5573] btrfs_create+0x360/0x508 [ 81.207436][ T5573] path_openat+0x1144/0x26e4 [ 81.208209][ T5573] do_filp_open+0x164/0x330 [ 81.208948][ T5573] do_sys_openat2+0x128/0x3d8 [ 81.209690][ T5573] __arm64_sys_openat+0x120/0x154 [ 81.210493][ T5573] invoke_syscall+0x98/0x2b8 [ 81.211222][ T5573] el0_svc_common+0x138/0x258 [ 81.211975][ T5573] do_el0_svc+0x58/0x14c [ 81.212610][ T5573] el0_svc+0x78/0x1e0 [ 81.213156][ T5573] el0t_64_sync_handler+0xcc/0xe4 [ 81.213861][ T5573] el0t_64_sync+0x1a0/0x1a4 [ 81.355098][ T5595] loop0: detected capacity change from 0 to 32768 [ 81.420265][ T5595] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.45 (5595) [ 81.437604][ T5595] FAULT_INJECTION: forcing a failure. [ 81.437604][ T5595] name failslab, interval 1, probability 0, space 0, times 0 [ 81.439672][ T5595] CPU: 1 PID: 5595 Comm: syz.0.45 Tainted: G W syzkaller #0 [ 81.440848][ T5595] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 81.442505][ T5595] Call trace: [ 81.443055][ T5595] dump_backtrace+0x0/0x43c [ 81.443712][ T5595] show_stack+0x2c/0x3c [ 81.444307][ T5595] __dump_stack+0x30/0x40 [ 81.444998][ T5595] dump_stack_lvl+0xf8/0x160 [ 81.445736][ T5595] dump_stack+0x1c/0x5c [ 81.446410][ T5595] should_fail+0x3c0/0x51c [ 81.447134][ T5595] __should_failslab+0xbc/0x10c [ 81.447923][ T5595] should_failslab+0x10/0x28 [ 81.448704][ T5595] slab_pre_alloc_hook+0x64/0xec [ 81.449581][ T5595] kmem_cache_alloc+0x94/0x3e4 [ 81.450421][ T5595] btrfs_alloc_path+0x5c/0x68 [ 81.451201][ T5595] btrfs_insert_dir_item+0x16c/0x3b8 [ 81.452066][ T5595] btrfs_add_link+0x294/0xa68 [ 81.452773][ T5595] btrfs_create+0x45c/0x508 [ 81.453558][ T5595] path_openat+0x1144/0x26e4 [ 81.454378][ T5595] do_filp_open+0x164/0x330 [ 81.455070][ T5595] do_sys_openat2+0x128/0x3d8 [ 81.455850][ T5595] __arm64_sys_openat+0x120/0x154 [ 81.456738][ T5595] invoke_syscall+0x98/0x2b8 [ 81.457526][ T5595] el0_svc_common+0x138/0x258 [ 81.458333][ T5595] do_el0_svc+0x58/0x14c [ 81.459075][ T5595] el0_svc+0x78/0x1e0 [ 81.459751][ T5595] el0t_64_sync_handler+0xcc/0xe4 [ 81.460625][ T5595] el0t_64_sync+0x1a0/0x1a4 [ 81.462955][ T5595] ------------[ cut here ]------------ [ 81.463928][ T5595] WARNING: CPU: 1 PID: 5595 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 81.465277][ T5595] Modules linked in: [ 81.465878][ T5595] CPU: 1 PID: 5595 Comm: syz.0.45 Tainted: G W syzkaller #0 [ 81.467137][ T5595] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 81.468600][ T5595] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 81.469756][ T5595] pc : btrfs_add_link+0x6e8/0xa68 [ 81.470552][ T5595] lr : btrfs_add_link+0x6e8/0xa68 [ 81.471279][ T5595] sp : ffff800021df7580 [ 81.471873][ T5595] x29: ffff800021df7680 x28: ffff0000dd1d80b0 x27: 0000000000000108 [ 81.473037][ T5595] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 81.474255][ T5595] x23: 0000000000000014 x22: 1fffe0001ba3b021 x21: ffff7000043beeb8 [ 81.475578][ T5595] x20: 00000000fffffff4 x19: ffff0000dd1d8108 x18: 0000000000000001 [ 81.476876][ T5595] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 81.478178][ T5595] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 81.479485][ T5595] x11: 0000000000000000 x10: 0000000000000000 x9 : 849b2f31d0ab2600 [ 81.480750][ T5595] x8 : 849b2f31d0ab2600 x7 : 0000000000000001 x6 : 0000000000000001 [ 81.482056][ T5595] x5 : ffff800021df6e78 x4 : ffff80001425f420 x3 : ffff800008504400 [ 81.483360][ T5595] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 81.484679][ T5595] Call trace: [ 81.485161][ T5595] btrfs_add_link+0x6e8/0xa68 [ 81.485885][ T5595] btrfs_create+0x45c/0x508 [ 81.486574][ T5595] path_openat+0x1144/0x26e4 [ 81.487386][ T5595] do_filp_open+0x164/0x330 [ 81.488162][ T5595] do_sys_openat2+0x128/0x3d8 [ 81.488890][ T5595] __arm64_sys_openat+0x120/0x154 [ 81.489699][ T5595] invoke_syscall+0x98/0x2b8 [ 81.490434][ T5595] el0_svc_common+0x138/0x258 [ 81.491227][ T5595] do_el0_svc+0x58/0x14c [ 81.491965][ T5595] el0_svc+0x78/0x1e0 [ 81.492625][ T5595] el0t_64_sync_handler+0xcc/0xe4 [ 81.493443][ T5595] el0t_64_sync+0x1a0/0x1a4 [ 81.494186][ T5595] irq event stamp: 81236 [ 81.494853][ T5595] hardirqs last enabled at (81235): [] __up_console_sem+0xb4/0x100 [ 81.496434][ T5595] hardirqs last disabled at (81236): [] el1_dbg+0x24/0x80 [ 81.497883][ T5595] softirqs last enabled at (81216): [] handle_softirqs+0xa4c/0xbf0 [ 81.499417][ T5595] softirqs last disabled at (81199): [] __irq_exit_rcu+0x240/0x440 [ 81.500964][ T5595] ---[ end trace 9ae2f55a585c3a80 ]--- [ 81.504260][ T5595] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 81.641228][ T5617] loop0: detected capacity change from 0 to 32768 [ 81.730592][ T5617] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.46 (5617) [ 81.794626][ T5617] FAULT_INJECTION: forcing a failure. [ 81.794626][ T5617] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 81.796677][ T5617] CPU: 0 PID: 5617 Comm: syz.0.46 Tainted: G W syzkaller #0 [ 81.798022][ T5617] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 81.799470][ T5617] Call trace: [ 81.799971][ T5617] dump_backtrace+0x0/0x43c [ 81.800641][ T5617] show_stack+0x2c/0x3c [ 81.801268][ T5617] __dump_stack+0x30/0x40 [ 81.801902][ T5617] dump_stack_lvl+0xf8/0x160 [ 81.802704][ T5617] dump_stack+0x1c/0x5c [ 81.803372][ T5617] should_fail+0x3c0/0x51c [ 81.804199][ T5617] should_fail_alloc_page+0x74/0xa8 [ 81.805003][ T5617] prepare_alloc_pages+0x160/0x460 [ 81.805869][ T5617] __alloc_pages+0x108/0x470 [ 81.806681][ T5617] alloc_pages+0x34c/0x5c0 [ 81.807487][ T5617] new_slab+0xe0/0x55c [ 81.808203][ T5617] ___slab_alloc+0x6c0/0xda8 [ 81.809021][ T5617] __slab_alloc+0x68/0xc0 [ 81.809755][ T5617] kmem_cache_alloc+0x2ac/0x3e4 [ 81.810602][ T5617] btrfs_get_or_create_delayed_node+0x128/0x4c8 [ 81.811698][ T5617] btrfs_delayed_update_inode+0x3c/0x1b7c [ 81.812710][ T5617] btrfs_update_inode+0x210/0x3d4 [ 81.813595][ T5617] btrfs_create+0x360/0x508 [ 81.814314][ T5617] path_openat+0x1144/0x26e4 [ 81.815100][ T5617] do_filp_open+0x164/0x330 [ 81.815862][ T5617] do_sys_openat2+0x128/0x3d8 [ 81.816642][ T5617] __arm64_sys_openat+0x120/0x154 [ 81.817431][ T5617] invoke_syscall+0x98/0x2b8 [ 81.818153][ T5617] el0_svc_common+0x138/0x258 [ 81.818953][ T5617] do_el0_svc+0x58/0x14c [ 81.819681][ T5617] el0_svc+0x78/0x1e0 [ 81.820360][ T5617] el0t_64_sync_handler+0xcc/0xe4 [ 81.821223][ T5617] el0t_64_sync+0x1a0/0x1a4 [ 81.864735][ T4910] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 12 /dev/loop0 scanned by udevd (4910) [ 81.966569][ T5638] loop0: detected capacity change from 0 to 32768 [ 82.041006][ T5638] FAULT_INJECTION: forcing a failure. [ 82.041006][ T5638] name failslab, interval 1, probability 0, space 0, times 0 [ 82.043206][ T5638] CPU: 0 PID: 5638 Comm: syz.0.47 Tainted: G W syzkaller #0 [ 82.044667][ T5638] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 82.046419][ T5638] Call trace: [ 82.046952][ T5638] dump_backtrace+0x0/0x43c [ 82.047675][ T5638] show_stack+0x2c/0x3c [ 82.048366][ T5638] __dump_stack+0x30/0x40 [ 82.049033][ T5638] dump_stack_lvl+0xf8/0x160 [ 82.049795][ T5638] dump_stack+0x1c/0x5c [ 82.050477][ T5638] should_fail+0x3c0/0x51c [ 82.051228][ T5638] __should_failslab+0xbc/0x10c [ 82.052003][ T5638] should_failslab+0x10/0x28 [ 82.052740][ T5638] slab_pre_alloc_hook+0x64/0xec [ 82.053551][ T5638] kmem_cache_alloc+0x94/0x3e4 [ 82.054346][ T5638] btrfs_alloc_path+0x5c/0x68 [ 82.055163][ T5638] btrfs_insert_dir_item+0x16c/0x3b8 [ 82.056049][ T5638] btrfs_add_link+0x294/0xa68 [ 82.056803][ T5638] btrfs_create+0x45c/0x508 [ 82.057506][ T5638] path_openat+0x1144/0x26e4 [ 82.058215][ T5638] do_filp_open+0x164/0x330 [ 82.058900][ T5638] do_sys_openat2+0x128/0x3d8 [ 82.059657][ T5638] __arm64_sys_openat+0x120/0x154 [ 82.060534][ T5638] invoke_syscall+0x98/0x2b8 [ 82.061345][ T5638] el0_svc_common+0x138/0x258 [ 82.062152][ T5638] do_el0_svc+0x58/0x14c [ 82.062868][ T5638] el0_svc+0x78/0x1e0 [ 82.063568][ T5638] el0t_64_sync_handler+0xcc/0xe4 [ 82.064425][ T5638] el0t_64_sync+0x1a0/0x1a4 [ 82.066798][ T5638] ------------[ cut here ]------------ [ 82.067818][ T5638] WARNING: CPU: 0 PID: 5638 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 82.069115][ T5638] Modules linked in: [ 82.069710][ T5638] CPU: 0 PID: 5638 Comm: syz.0.47 Tainted: G W syzkaller #0 [ 82.070957][ T5638] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 82.072575][ T5638] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 82.073750][ T5638] pc : btrfs_add_link+0x6e8/0xa68 [ 82.074504][ T5638] lr : btrfs_add_link+0x6e8/0xa68 [ 82.075225][ T5638] sp : ffff800022b17580 [ 82.075815][ T5638] x29: ffff800022b17680 x28: ffff0000deaa6a50 x27: 0000000000000108 [ 82.077041][ T5638] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 82.078231][ T5638] x23: 0000000000000014 x22: 1fffe0001bd54d55 x21: ffff700004562eb8 [ 82.079486][ T5638] x20: 00000000fffffff4 x19: ffff0000deaa6aa8 x18: 0000000000000001 [ 82.080715][ T5638] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 82.081986][ T5638] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 82.083389][ T5638] x11: 0000000000000000 x10: 0000000000000000 x9 : 610b410aae6d5900 [ 82.084779][ T5638] x8 : 610b410aae6d5900 x7 : 0000000000000001 x6 : 0000000000000001 [ 82.086189][ T5638] x5 : ffff800022b16e78 x4 : ffff80001425f420 x3 : ffff800008504400 [ 82.087509][ T5638] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 82.088835][ T5638] Call trace: [ 82.089388][ T5638] btrfs_add_link+0x6e8/0xa68 [ 82.090202][ T5638] btrfs_create+0x45c/0x508 [ 82.090971][ T5638] path_openat+0x1144/0x26e4 [ 82.091764][ T5638] do_filp_open+0x164/0x330 [ 82.092531][ T5638] do_sys_openat2+0x128/0x3d8 [ 82.093353][ T5638] __arm64_sys_openat+0x120/0x154 [ 82.094184][ T5638] invoke_syscall+0x98/0x2b8 [ 82.094939][ T5638] el0_svc_common+0x138/0x258 [ 82.095683][ T5638] do_el0_svc+0x58/0x14c [ 82.096406][ T5638] el0_svc+0x78/0x1e0 [ 82.097047][ T5638] el0t_64_sync_handler+0xcc/0xe4 [ 82.097849][ T5638] el0t_64_sync+0x1a0/0x1a4 [ 82.098600][ T5638] irq event stamp: 80766 [ 82.099292][ T5638] hardirqs last enabled at (80765): [] __up_console_sem+0xb4/0x100 [ 82.100740][ T5638] hardirqs last disabled at (80766): [] el1_dbg+0x24/0x80 [ 82.102156][ T5638] softirqs last enabled at (80746): [] handle_softirqs+0xa4c/0xbf0 [ 82.103603][ T5638] softirqs last disabled at (80715): [] __irq_exit_rcu+0x240/0x440 [ 82.105215][ T5638] ---[ end trace 9ae2f55a585c3a81 ]--- [ 82.108381][ T5638] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 82.241183][ T5661] loop0: detected capacity change from 0 to 32768 [ 82.280949][ T5661] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.48 (5661) [ 82.343631][ T5661] FAULT_INJECTION: forcing a failure. [ 82.343631][ T5661] name failslab, interval 1, probability 0, space 0, times 0 [ 82.345840][ T5661] CPU: 0 PID: 5661 Comm: syz.0.48 Tainted: G W syzkaller #0 [ 82.347174][ T5661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 82.348736][ T5661] Call trace: [ 82.349230][ T5661] dump_backtrace+0x0/0x43c [ 82.349885][ T5661] show_stack+0x2c/0x3c [ 82.350520][ T5661] __dump_stack+0x30/0x40 [ 82.351146][ T5661] dump_stack_lvl+0xf8/0x160 [ 82.351843][ T5661] dump_stack+0x1c/0x5c [ 82.352462][ T5661] should_fail+0x3c0/0x51c [ 82.353118][ T5661] __should_failslab+0xbc/0x10c [ 82.353833][ T5661] should_failslab+0x10/0x28 [ 82.354495][ T5661] slab_pre_alloc_hook+0x64/0xec [ 82.355305][ T5661] kmem_cache_alloc+0x94/0x3e4 [ 82.356078][ T5661] btrfs_alloc_path+0x5c/0x68 [ 82.356867][ T5661] btrfs_insert_dir_item+0x16c/0x3b8 [ 82.357693][ T5661] btrfs_add_link+0x294/0xa68 [ 82.358420][ T5661] btrfs_create+0x45c/0x508 [ 82.359148][ T5661] path_openat+0x1144/0x26e4 [ 82.359896][ T5661] do_filp_open+0x164/0x330 [ 82.360624][ T5661] do_sys_openat2+0x128/0x3d8 [ 82.361332][ T5661] __arm64_sys_openat+0x120/0x154 [ 82.362051][ T5661] invoke_syscall+0x98/0x2b8 [ 82.362704][ T5661] el0_svc_common+0x138/0x258 [ 82.363383][ T5661] do_el0_svc+0x58/0x14c [ 82.364024][ T5661] el0_svc+0x78/0x1e0 [ 82.364637][ T5661] el0t_64_sync_handler+0xcc/0xe4 [ 82.365382][ T5661] el0t_64_sync+0x1a0/0x1a4 [ 82.366629][ T5661] ------------[ cut here ]------------ [ 82.367587][ T5661] WARNING: CPU: 0 PID: 5661 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 82.368879][ T5661] Modules linked in: [ 82.369415][ T5661] CPU: 0 PID: 5661 Comm: syz.0.48 Tainted: G W syzkaller #0 [ 82.370810][ T5661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 82.372553][ T5661] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 82.373799][ T5661] pc : btrfs_add_link+0x6e8/0xa68 [ 82.374557][ T5661] lr : btrfs_add_link+0x6e8/0xa68 [ 82.375368][ T5661] sp : ffff800022b17580 [ 82.376012][ T5661] x29: ffff800022b17680 x28: ffff0000deaa6790 x27: 0000000000000108 [ 82.377284][ T5661] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 82.378633][ T5661] x23: 0000000000000014 x22: 1fffe0001bd54cfd x21: ffff700004562eb8 [ 82.379978][ T5661] x20: 00000000fffffff4 x19: ffff0000deaa67e8 x18: 0000000000000001 [ 82.381220][ T5661] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 82.382603][ T5661] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 82.383930][ T5661] x11: 0000000000000000 x10: 0000000000000000 x9 : cfbe001e9a527100 [ 82.385189][ T5661] x8 : cfbe001e9a527100 x7 : 0000000000000001 x6 : 0000000000000001 [ 82.386564][ T5661] x5 : ffff800022b16e78 x4 : ffff80001425f420 x3 : ffff800008504400 [ 82.388001][ T5661] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 82.389433][ T5661] Call trace: [ 82.389995][ T5661] btrfs_add_link+0x6e8/0xa68 [ 82.390742][ T5661] btrfs_create+0x45c/0x508 [ 82.391505][ T5661] path_openat+0x1144/0x26e4 [ 82.392271][ T5661] do_filp_open+0x164/0x330 [ 82.393015][ T5661] do_sys_openat2+0x128/0x3d8 [ 82.393756][ T5661] __arm64_sys_openat+0x120/0x154 [ 82.394539][ T5661] invoke_syscall+0x98/0x2b8 [ 82.395257][ T5661] el0_svc_common+0x138/0x258 [ 82.395957][ T5661] do_el0_svc+0x58/0x14c [ 82.396567][ T5661] el0_svc+0x78/0x1e0 [ 82.397197][ T5661] el0t_64_sync_handler+0xcc/0xe4 [ 82.397907][ T5661] el0t_64_sync+0x1a0/0x1a4 [ 82.398563][ T5661] irq event stamp: 80910 [ 82.399179][ T5661] hardirqs last enabled at (80909): [] __up_console_sem+0xb4/0x100 [ 82.400602][ T5661] hardirqs last disabled at (80910): [] el1_dbg+0x24/0x80 [ 82.401931][ T5661] softirqs last enabled at (80890): [] handle_softirqs+0xa4c/0xbf0 [ 82.403380][ T5661] softirqs last disabled at (80883): [] __irq_exit_rcu+0x240/0x440 [ 82.404771][ T5661] ---[ end trace 9ae2f55a585c3a82 ]--- [ 82.406755][ T5661] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 82.553397][ T5683] loop0: detected capacity change from 0 to 32768 [ 82.555825][ T5683] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.49 (5683)