Warning: Permanently added '10.128.1.145' (ED25519) to the list of known hosts. 1970/01/01 00:01:23 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:01:23 ignoring optional flag "type"="gce" 1970/01/01 00:01:23 parsed 1 programs [ 86.140177][ T4487] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 94.045367][ T4531] chnl_net:caif_netlink_parms(): no params data found [ 94.075882][ T4531] bridge0: port 1(bridge_slave_0) entered blocking state [ 94.077932][ T4531] bridge0: port 1(bridge_slave_0) entered disabled state [ 94.080883][ T4531] device bridge_slave_0 entered promiscuous mode [ 94.086231][ T4531] bridge0: port 2(bridge_slave_1) entered blocking state [ 94.088229][ T4531] bridge0: port 2(bridge_slave_1) entered disabled state [ 94.090919][ T4531] device bridge_slave_1 entered promiscuous mode [ 94.105266][ T4531] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 94.110015][ T4531] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 94.123841][ T4531] team0: Port device team_slave_0 added [ 94.126971][ T4531] team0: Port device team_slave_1 added [ 94.142708][ T4531] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 94.144691][ T4531] 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. [ 94.151995][ T4531] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 94.156197][ T4531] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 94.158122][ T4531] 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. [ 94.165322][ T4531] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 94.220873][ T4531] device hsr_slave_0 entered promiscuous mode [ 94.250007][ T4531] device hsr_slave_1 entered promiscuous mode [ 95.015775][ T4531] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 95.070749][ T4531] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 95.110744][ T4531] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 95.151331][ T4531] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 95.295055][ T4531] 8021q: adding VLAN 0 to HW filter on device bond0 [ 95.310561][ T1598] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 95.313129][ T1598] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 95.318125][ T4531] 8021q: adding VLAN 0 to HW filter on device team0 [ 95.331243][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 95.334028][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 95.336515][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 95.338259][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 95.341075][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 95.358080][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 95.361263][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 95.363722][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 95.365530][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 95.367829][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 95.371645][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 95.374576][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 95.377919][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 95.397767][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 95.409247][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 95.412024][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 95.414749][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 95.421254][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 95.444797][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 95.447569][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 95.452709][ T4531] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 95.575111][ T4531] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 95.593153][ T1598] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 95.595267][ T1598] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 95.597435][ T1598] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 95.601208][ T1598] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 95.613728][ T4531] device veth0_vlan entered promiscuous mode [ 95.616597][ T1598] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 95.620603][ T1598] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 95.626507][ T4531] device veth1_vlan entered promiscuous mode [ 95.628822][ T1598] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 95.635296][ T1598] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 95.637883][ T1598] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 95.677905][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 95.682924][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 95.685782][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 95.692952][ T4531] device veth0_macvtap entered promiscuous mode [ 95.696819][ T4531] device veth1_macvtap entered promiscuous mode [ 95.713585][ T4531] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 95.715671][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 95.718171][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 95.720854][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 95.723881][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 95.728733][ T4531] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 95.732421][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 95.735452][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 95.738660][ T4531] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 95.741054][ T4531] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 95.743390][ T4531] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 95.745741][ T4531] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 95.981392][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 95.983679][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 95.986773][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 96.005188][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 96.007382][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 96.012419][ T1598] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:01:36 executed programs: 0 [ 96.629969][ T4692] chnl_net:caif_netlink_parms(): no params data found [ 96.676832][ T4692] bridge0: port 1(bridge_slave_0) entered blocking state [ 96.679461][ T4692] bridge0: port 1(bridge_slave_0) entered disabled state [ 96.682067][ T4692] device bridge_slave_0 entered promiscuous mode [ 96.687567][ T4692] bridge0: port 2(bridge_slave_1) entered blocking state [ 96.690168][ T4692] bridge0: port 2(bridge_slave_1) entered disabled state [ 96.692758][ T4692] device bridge_slave_1 entered promiscuous mode [ 96.713447][ T4692] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 96.733584][ T4692] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 96.749752][ T4692] team0: Port device team_slave_0 added [ 96.752861][ T4692] team0: Port device team_slave_1 added [ 96.767820][ T4692] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 96.770169][ T4692] 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. [ 96.777323][ T4692] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 96.782429][ T4692] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 96.784384][ T4692] 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. [ 96.791680][ T4692] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 96.861367][ T4692] device hsr_slave_0 entered promiscuous mode [ 96.892547][ T4692] device hsr_slave_1 entered promiscuous mode [ 96.929169][ T4692] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 96.931290][ T4692] Cannot create hsr debugfs directory [ 96.994562][ T4692] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 98.598994][ T4160] Bluetooth: hci0: command 0x0409 tx timeout [ 99.908754][ T4692] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 100.679443][ T4166] Bluetooth: hci0: command 0x041b tx timeout [ 101.214501][ T4692] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 101.266836][ T4692] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 101.438412][ T4692] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 101.472669][ T4692] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 101.501860][ T4692] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 101.540733][ T4692] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 101.622793][ T4692] 8021q: adding VLAN 0 to HW filter on device bond0 [ 101.629568][ T1598] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 101.632147][ T1598] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 101.638509][ T4692] 8021q: adding VLAN 0 to HW filter on device team0 [ 101.647086][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 101.650380][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 101.652968][ T148] bridge0: port 1(bridge_slave_0) entered blocking state [ 101.654894][ T148] bridge0: port 1(bridge_slave_0) entered forwarding state [ 101.657263][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 101.666971][ T1598] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 101.670089][ T1598] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 101.672671][ T1598] bridge0: port 2(bridge_slave_1) entered blocking state [ 101.674644][ T1598] bridge0: port 2(bridge_slave_1) entered forwarding state [ 101.682222][ T1598] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 101.685122][ T1598] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 101.690909][ T1598] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 101.694451][ T1598] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 101.697235][ T1598] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 101.704227][ T1598] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 101.707131][ T1598] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 101.729797][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 101.732475][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 101.736880][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 101.741735][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 101.746375][ T4692] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 101.827151][ T4692] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 101.829740][ T1598] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 101.831850][ T1598] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 101.852928][ T1598] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 101.855803][ T1598] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 101.870765][ T1598] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 101.873496][ T1598] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 101.876266][ T1598] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 101.879670][ T1598] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 101.895768][ T4692] device veth0_vlan entered promiscuous mode [ 101.902864][ T4692] device veth1_vlan entered promiscuous mode [ 101.916458][ T1598] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 101.919860][ T1598] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 101.922484][ T1598] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 101.925189][ T1598] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 101.930809][ T4692] device veth0_macvtap entered promiscuous mode [ 101.935202][ T4692] device veth1_macvtap entered promiscuous mode [ 101.944433][ T4692] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 101.947273][ T4692] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 101.951068][ T4692] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 101.953424][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 101.955897][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 101.958331][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 101.962231][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 101.966766][ T4692] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 101.969833][ T4692] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 101.973463][ T4692] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 101.975911][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 101.978710][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 101.984489][ T4692] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 101.986897][ T4692] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 101.989617][ T4692] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 101.992017][ T4692] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 102.029682][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 102.032024][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 102.034923][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 102.052551][ T1598] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 102.054969][ T1598] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 102.057809][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:01:42 executed programs: 2 [ 102.294156][ T4929] loop0: detected capacity change from 0 to 32768 [ 102.332686][ T4929] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.15 (4929) [ 102.354724][ T4929] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 102.357103][ T4929] BTRFS info (device loop0): setting nodatacow, compression disabled [ 102.360224][ T4929] BTRFS info (device loop0): setting datacow [ 102.361878][ T4929] BTRFS info (device loop0): doing ref verification [ 102.363648][ T4929] BTRFS info (device loop0): force clearing of disk cache [ 102.365762][ T4929] BTRFS info (device loop0): turning off barriers [ 102.367447][ T4929] BTRFS info (device loop0): use zlib compression, level 3 [ 102.369519][ T4929] BTRFS info (device loop0): using free space tree [ 102.371180][ T4929] BTRFS info (device loop0): has skinny extents [ 102.403167][ T4929] BTRFS info (device loop0): clearing free space tree [ 102.405260][ T4929] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 102.407957][ T4929] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 102.422114][ T4929] BTRFS info (device loop0): creating free space tree [ 102.425228][ T4929] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 102.427818][ T4929] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 102.447743][ T4929] FAULT_INJECTION: forcing a failure. [ 102.447743][ T4929] name failslab, interval 1, probability 0, space 0, times 1 [ 102.451513][ T4929] CPU: 1 PID: 4929 Comm: syz.0.15 Not tainted 5.15.189-syzkaller #0 [ 102.453725][ T4929] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 102.456324][ T4929] Call trace: [ 102.457202][ T4929] dump_backtrace+0x0/0x43c [ 102.458440][ T4929] show_stack+0x2c/0x3c [ 102.459567][ T4929] __dump_stack+0x30/0x40 [ 102.460726][ T4929] dump_stack_lvl+0xf8/0x160 [ 102.461927][ T4929] dump_stack+0x1c/0x5c [ 102.463020][ T4929] should_fail+0x3c0/0x51c [ 102.464214][ T4929] __should_failslab+0xbc/0x10c [ 102.465452][ T4929] should_failslab+0x10/0x28 [ 102.466680][ T4929] slab_pre_alloc_hook+0x64/0xec [ 102.468061][ T4929] kmem_cache_alloc+0x94/0x3e4 [ 102.469436][ T4929] btrfs_get_or_create_delayed_node+0x128/0x4c8 [ 102.471179][ T4929] btrfs_delayed_update_inode+0x3c/0x1b7c [ 102.472783][ T4929] btrfs_update_inode+0x210/0x3d4 [ 102.474138][ T4929] btrfs_create+0x360/0x508 [ 102.475427][ T4929] path_openat+0x1144/0x26e4 [ 102.476706][ T4929] do_filp_open+0x164/0x330 [ 102.477899][ T4929] do_sys_openat2+0x128/0x3d8 [ 102.479130][ T4929] __arm64_sys_openat+0x120/0x154 [ 102.480467][ T4929] invoke_syscall+0x98/0x2b8 [ 102.481678][ T4929] el0_svc_common+0x138/0x258 [ 102.482939][ T4929] do_el0_svc+0x58/0x14c [ 102.484100][ T4929] el0_svc+0x78/0x1e0 [ 102.485202][ T4929] el0t_64_sync_handler+0xcc/0xe4 [ 102.486575][ T4929] el0t_64_sync+0x1a0/0x1a4 [ 102.769575][ T4165] Bluetooth: hci0: command 0x040f tx timeout [ 102.792872][ T4951] loop0: detected capacity change from 0 to 32768 [ 102.841706][ T4951] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.16 (4951) [ 102.890936][ T4951] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 102.893296][ T4951] BTRFS info (device loop0): setting nodatacow, compression disabled [ 102.895531][ T4951] BTRFS info (device loop0): setting datacow [ 102.897175][ T4951] BTRFS info (device loop0): doing ref verification [ 102.899593][ T4951] BTRFS info (device loop0): force clearing of disk cache [ 102.901490][ T4951] BTRFS info (device loop0): turning off barriers [ 102.903196][ T4951] BTRFS info (device loop0): use zlib compression, level 3 [ 102.905138][ T4951] BTRFS info (device loop0): using free space tree [ 102.906836][ T4951] BTRFS info (device loop0): has skinny extents [ 102.928020][ T4951] BTRFS info (device loop0): clearing free space tree [ 102.934325][ T4951] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 102.936867][ T4951] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 102.944336][ T4951] BTRFS info (device loop0): creating free space tree [ 102.946726][ T4951] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 102.952990][ T4951] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 102.962277][ T4951] FAULT_INJECTION: forcing a failure. [ 102.962277][ T4951] name failslab, interval 1, probability 0, space 0, times 0 [ 102.965828][ T4951] CPU: 1 PID: 4951 Comm: syz.0.16 Not tainted 5.15.189-syzkaller #0 [ 102.968043][ T4951] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 102.970680][ T4951] Call trace: [ 102.971533][ T4951] dump_backtrace+0x0/0x43c [ 102.972755][ T4951] show_stack+0x2c/0x3c [ 102.973876][ T4951] __dump_stack+0x30/0x40 [ 102.975054][ T4951] dump_stack_lvl+0xf8/0x160 [ 102.976288][ T4951] dump_stack+0x1c/0x5c [ 102.977415][ T4951] should_fail+0x3c0/0x51c [ 102.978601][ T4951] __should_failslab+0xbc/0x10c [ 102.979968][ T4951] should_failslab+0x10/0x28 [ 102.981215][ T4951] slab_pre_alloc_hook+0x64/0xec [ 102.982494][ T4951] kmem_cache_alloc+0x94/0x3e4 [ 102.983819][ T4951] btrfs_get_or_create_delayed_node+0x128/0x4c8 [ 102.985475][ T4951] btrfs_delayed_update_inode+0x3c/0x1b7c [ 102.987060][ T4951] btrfs_update_inode+0x210/0x3d4 [ 102.988454][ T4951] btrfs_create+0x360/0x508 [ 102.989677][ T4951] path_openat+0x1144/0x26e4 [ 102.990925][ T4951] do_filp_open+0x164/0x330 [ 102.992127][ T4951] do_sys_openat2+0x128/0x3d8 [ 102.993363][ T4951] __arm64_sys_openat+0x120/0x154 [ 102.994716][ T4951] invoke_syscall+0x98/0x2b8 [ 102.995974][ T4951] el0_svc_common+0x138/0x258 [ 102.997230][ T4951] do_el0_svc+0x58/0x14c [ 102.998370][ T4951] el0_svc+0x78/0x1e0 [ 102.999446][ T4951] el0t_64_sync_handler+0xcc/0xe4 [ 103.000796][ T4951] el0t_64_sync+0x1a0/0x1a4 [ 103.295603][ T4981] loop0: detected capacity change from 0 to 32768 [ 103.336714][ T4981] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.17 (4981) [ 103.343156][ T4981] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 103.345589][ T4981] BTRFS info (device loop0): setting nodatacow, compression disabled [ 103.347866][ T4981] BTRFS info (device loop0): setting datacow [ 103.349994][ T4981] BTRFS info (device loop0): doing ref verification [ 103.351795][ T4981] BTRFS info (device loop0): force clearing of disk cache [ 103.353769][ T4981] BTRFS info (device loop0): turning off barriers [ 103.355528][ T4981] BTRFS info (device loop0): use zlib compression, level 3 [ 103.357428][ T4981] BTRFS info (device loop0): using free space tree [ 103.359856][ T4981] BTRFS info (device loop0): has skinny extents [ 103.386948][ T4981] BTRFS info (device loop0): clearing free space tree [ 103.389347][ T4981] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 103.392137][ T4981] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 103.398131][ T4981] BTRFS info (device loop0): creating free space tree [ 103.406297][ T4981] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 103.411228][ T4981] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 103.424518][ T4981] FAULT_INJECTION: forcing a failure. [ 103.424518][ T4981] name failslab, interval 1, probability 0, space 0, times 0 [ 103.427979][ T4981] CPU: 1 PID: 4981 Comm: syz.0.17 Not tainted 5.15.189-syzkaller #0 [ 103.430171][ T4981] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 103.432992][ T4981] Call trace: [ 103.433905][ T4981] dump_backtrace+0x0/0x43c [ 103.435169][ T4981] show_stack+0x2c/0x3c [ 103.436334][ T4981] __dump_stack+0x30/0x40 [ 103.437515][ T4981] dump_stack_lvl+0xf8/0x160 [ 103.438776][ T4981] dump_stack+0x1c/0x5c [ 103.439915][ T4981] should_fail+0x3c0/0x51c [ 103.441082][ T4981] __should_failslab+0xbc/0x10c [ 103.442390][ T4981] should_failslab+0x10/0x28 [ 103.443654][ T4981] slab_pre_alloc_hook+0x64/0xec [ 103.445049][ T4981] kmem_cache_alloc+0x94/0x3e4 [ 103.446327][ T4981] btrfs_alloc_path+0x5c/0x68 [ 103.447682][ T4981] btrfs_insert_dir_item+0x16c/0x3b8 [ 103.449130][ T4981] btrfs_add_link+0x294/0xa68 [ 103.450285][ T4981] btrfs_create+0x45c/0x508 [ 103.451379][ T4981] path_openat+0x1144/0x26e4 [ 103.452470][ T4981] do_filp_open+0x164/0x330 [ 103.453728][ T4981] do_sys_openat2+0x128/0x3d8 [ 103.455057][ T4981] __arm64_sys_openat+0x120/0x154 [ 103.456495][ T4981] invoke_syscall+0x98/0x2b8 [ 103.457757][ T4981] el0_svc_common+0x138/0x258 [ 103.459068][ T4981] do_el0_svc+0x58/0x14c [ 103.460265][ T4981] el0_svc+0x78/0x1e0 [ 103.461356][ T4981] el0t_64_sync_handler+0xcc/0xe4 [ 103.462731][ T4981] el0t_64_sync+0x1a0/0x1a4 [ 103.467829][ T4981] ------------[ cut here ]------------ [ 103.472046][ T4981] WARNING: CPU: 0 PID: 4981 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 103.474478][ T4981] Modules linked in: [ 103.475541][ T4981] CPU: 0 PID: 4981 Comm: syz.0.17 Not tainted 5.15.189-syzkaller #0 [ 103.477788][ T4981] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 103.480551][ T4981] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 103.482754][ T4981] pc : btrfs_add_link+0x6e8/0xa68 [ 103.484100][ T4981] lr : btrfs_add_link+0x6e8/0xa68 [ 103.485478][ T4981] sp : ffff8000201a7580 [ 103.486574][ T4981] x29: ffff8000201a7680 x28: ffff0000de678840 x27: 0000000000000108 [ 103.488814][ T4981] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 103.490982][ T4981] x23: 0000000000000014 x22: 1fffe0001bccf113 x21: ffff700004034eb8 [ 103.493327][ T4981] x20: 00000000fffffff4 x19: ffff0000de678898 x18: 0000000000000001 [ 103.495583][ T4981] x17: 0000000000000000 x16: ffff8000111bc798 x15: 00000000ffffffff [ 103.497793][ T4981] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 103.499935][ T4981] x11: 0000000000000000 x10: 0000000000000000 x9 : a48524a185716a00 [ 103.502181][ T4981] x8 : a48524a185716a00 x7 : 0000000000000001 x6 : 0000000000000001 [ 103.504539][ T4981] x5 : ffff8000201a6e78 x4 : ffff80001424f400 x3 : ffff80000850433c [ 103.506732][ T4981] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 103.508970][ T4981] Call trace: [ 103.509854][ T4981] btrfs_add_link+0x6e8/0xa68 [ 103.511110][ T4981] btrfs_create+0x45c/0x508 [ 103.512341][ T4981] path_openat+0x1144/0x26e4 [ 103.513576][ T4981] do_filp_open+0x164/0x330 [ 103.514813][ T4981] do_sys_openat2+0x128/0x3d8 [ 103.516110][ T4981] __arm64_sys_openat+0x120/0x154 [ 103.517488][ T4981] invoke_syscall+0x98/0x2b8 [ 103.518710][ T4981] el0_svc_common+0x138/0x258 [ 103.519971][ T4981] do_el0_svc+0x58/0x14c [ 103.521158][ T4981] el0_svc+0x78/0x1e0 [ 103.522228][ T4981] el0t_64_sync_handler+0xcc/0xe4 [ 103.523662][ T4981] el0t_64_sync+0x1a0/0x1a4 [ 103.524876][ T4981] irq event stamp: 80930 [ 103.526033][ T4981] hardirqs last enabled at (80929): [] __up_console_sem+0xb4/0x100 [ 103.528668][ T4981] hardirqs last disabled at (80930): [] el1_dbg+0x24/0x80 [ 103.530982][ T4981] softirqs last enabled at (80916): [] handle_softirqs+0xa4c/0xbf0 [ 103.533605][ T4981] softirqs last disabled at (80883): [] __irq_exit_rcu+0x240/0x440 [ 103.536225][ T4981] ---[ end trace fb2ed2b3192da220 ]--- [ 103.542095][ T4981] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 103.544621][ T4981] BTRFS info (device loop0): forced readonly [ 103.707586][ T9] device hsr_slave_0 left promiscuous mode [ 103.729980][ T9] device hsr_slave_1 left promiscuous mode [ 103.829075][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 103.831278][ T9] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 103.834448][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 103.836530][ T9] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 103.841213][ T9] device bridge_slave_1 left promiscuous mode [ 103.841537][ T5003] loop0: detected capacity change from 0 to 32768 [ 103.843063][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 103.881358][ T9] device bridge_slave_0 left promiscuous mode [ 103.883124][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 103.924284][ T5003] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.18 (5003) [ 103.933873][ T5003] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 103.936202][ T5003] BTRFS info (device loop0): setting nodatacow, compression disabled [ 103.938529][ T5003] BTRFS info (device loop0): setting datacow [ 103.941364][ T5003] BTRFS info (device loop0): doing ref verification [ 103.943185][ T5003] BTRFS info (device loop0): force clearing of disk cache [ 103.945193][ T5003] BTRFS info (device loop0): turning off barriers [ 103.946878][ T5003] BTRFS info (device loop0): use zlib compression, level 3 [ 103.951667][ T5003] BTRFS info (device loop0): using free space tree [ 103.953583][ T5003] BTRFS info (device loop0): has skinny extents [ 103.972377][ T5003] BTRFS info (device loop0): clearing free space tree [ 103.974461][ T5003] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 103.977512][ T5003] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 103.983939][ T5003] BTRFS info (device loop0): creating free space tree [ 103.986752][ T5003] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 103.989714][ T5003] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 103.997412][ T5003] FAULT_INJECTION: forcing a failure. [ 103.997412][ T5003] name failslab, interval 1, probability 0, space 0, times 0 [ 104.001356][ T5003] CPU: 1 PID: 5003 Comm: syz.0.18 Tainted: G W 5.15.189-syzkaller #0 [ 104.003886][ T5003] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 104.006627][ T5003] Call trace: [ 104.007552][ T5003] dump_backtrace+0x0/0x43c [ 104.008743][ T5003] show_stack+0x2c/0x3c [ 104.009888][ T5003] __dump_stack+0x30/0x40 [ 104.011128][ T5003] dump_stack_lvl+0xf8/0x160 [ 104.012499][ T5003] dump_stack+0x1c/0x5c [ 104.013652][ T5003] should_fail+0x3c0/0x51c [ 104.014831][ T5003] __should_failslab+0xbc/0x10c [ 104.016162][ T5003] should_failslab+0x10/0x28 [ 104.017453][ T5003] slab_pre_alloc_hook+0x64/0xec [ 104.018759][ T5003] kmem_cache_alloc+0x94/0x3e4 [ 104.020051][ T5003] btrfs_get_or_create_delayed_node+0x128/0x4c8 [ 104.021769][ T5003] btrfs_delayed_update_inode+0x3c/0x1b7c [ 104.023326][ T5003] btrfs_update_inode+0x210/0x3d4 [ 104.024749][ T5003] btrfs_create+0x360/0x508 [ 104.025996][ T5003] path_openat+0x1144/0x26e4 [ 104.027286][ T5003] do_filp_open+0x164/0x330 [ 104.028514][ T5003] do_sys_openat2+0x128/0x3d8 [ 104.029772][ T5003] __arm64_sys_openat+0x120/0x154 [ 104.031111][ T5003] invoke_syscall+0x98/0x2b8 [ 104.032450][ T5003] el0_svc_common+0x138/0x258 [ 104.033803][ T5003] do_el0_svc+0x58/0x14c [ 104.035009][ T5003] el0_svc+0x78/0x1e0 [ 104.036077][ T5003] el0t_64_sync_handler+0xcc/0xe4 [ 104.037504][ T5003] el0t_64_sync+0x1a0/0x1a4 [ 104.040665][ T9] device veth1_macvtap left promiscuous mode [ 104.042230][ T9] device veth0_macvtap left promiscuous mode [ 104.043919][ T9] device veth1_vlan left promiscuous mode [ 104.045500][ T9] device veth0_vlan left promiscuous mode [ 104.221958][ T4498] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 12 /dev/loop0 scanned by udevd (4498) [ 104.393327][ T9] team0 (unregistering): Port device team_slave_1 removed [ 104.401293][ T9] team0 (unregistering): Port device team_slave_0 removed [ 104.408465][ T9] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 104.414587][ T5024] loop0: detected capacity change from 0 to 32768 [ 104.438771][ T9] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 104.503332][ T5024] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 104.505900][ T5024] BTRFS info (device loop0): setting nodatacow, compression disabled [ 104.508108][ T5024] BTRFS info (device loop0): setting datacow [ 104.510446][ T5024] BTRFS info (device loop0): doing ref verification [ 104.512270][ T5024] BTRFS info (device loop0): force clearing of disk cache [ 104.514281][ T5024] BTRFS info (device loop0): turning off barriers [ 104.516086][ T5024] BTRFS info (device loop0): use zlib compression, level 3 [ 104.517975][ T5024] BTRFS info (device loop0): using free space tree [ 104.529410][ T5024] BTRFS info (device loop0): has skinny extents [ 104.578538][ T5024] BTRFS info (device loop0): clearing free space tree [ 104.583047][ T5024] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 104.585671][ T5024] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 104.593031][ T5024] BTRFS info (device loop0): creating free space tree [ 104.595588][ T5024] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 104.598291][ T5024] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 104.606205][ T5024] FAULT_INJECTION: forcing a failure. [ 104.606205][ T5024] name failslab, interval 1, probability 0, space 0, times 0 [ 104.612756][ T5024] CPU: 0 PID: 5024 Comm: syz.0.19 Tainted: G W 5.15.189-syzkaller #0 [ 104.615232][ T9] bond0 (unregistering): Released all slaves [ 104.615291][ T5024] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 104.619728][ T5024] Call trace: [ 104.620631][ T5024] dump_backtrace+0x0/0x43c [ 104.621874][ T5024] show_stack+0x2c/0x3c [ 104.623001][ T5024] __dump_stack+0x30/0x40 [ 104.624161][ T5024] dump_stack_lvl+0xf8/0x160 [ 104.625383][ T5024] dump_stack+0x1c/0x5c [ 104.626604][ T5024] should_fail+0x3c0/0x51c [ 104.627882][ T5024] __should_failslab+0xbc/0x10c [ 104.629227][ T5024] should_failslab+0x10/0x28 [ 104.630544][ T5024] slab_pre_alloc_hook+0x64/0xec [ 104.631977][ T5024] kmem_cache_alloc+0x94/0x3e4 [ 104.633295][ T5024] security_inode_alloc+0x38/0x11c [ 104.634650][ T5024] inode_init_always+0x670/0xa84 [ 104.636019][ T5024] new_inode_pseudo+0x7c/0x1fc [ 104.637289][ T5024] new_inode+0x38/0x174 [ 104.638438][ T5024] btrfs_new_inode+0x148/0x1538 [ 104.639785][ T5024] btrfs_create+0x248/0x508 [ 104.641037][ T5024] path_openat+0x1144/0x26e4 [ 104.642321][ T5024] do_filp_open+0x164/0x330 [ 104.643579][ T5024] do_sys_openat2+0x128/0x3d8 [ 104.644901][ T5024] __arm64_sys_openat+0x120/0x154 [ 104.646291][ T5024] invoke_syscall+0x98/0x2b8 [ 104.647584][ T5024] el0_svc_common+0x138/0x258 [ 104.648873][ T5024] do_el0_svc+0x58/0x14c [ 104.650010][ T5024] el0_svc+0x78/0x1e0 [ 104.651153][ T5024] el0t_64_sync_handler+0xcc/0xe4 [ 104.652546][ T5024] el0t_64_sync+0x1a0/0x1a4 [ 104.839022][ T4085] Bluetooth: hci0: command 0x0419 tx timeout [ 104.962766][ T5047] loop0: detected capacity change from 0 to 32768 [ 105.046189][ T5047] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.20 (5047) [ 105.055305][ T5047] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 105.057906][ T5047] BTRFS info (device loop0): setting nodatacow, compression disabled [ 105.061261][ T5047] BTRFS info (device loop0): setting datacow [ 105.063008][ T5047] BTRFS info (device loop0): doing ref verification [ 105.064824][ T5047] BTRFS info (device loop0): force clearing of disk cache [ 105.066753][ T5047] BTRFS info (device loop0): turning off barriers [ 105.068746][ T5047] BTRFS info (device loop0): use zlib compression, level 3 [ 105.071381][ T5047] BTRFS info (device loop0): using free space tree [ 105.073264][ T5047] BTRFS info (device loop0): has skinny extents [ 105.092064][ T5047] BTRFS info (device loop0): clearing free space tree [ 105.094002][ T5047] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 105.096592][ T5047] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 105.103522][ T5047] BTRFS info (device loop0): creating free space tree [ 105.105956][ T5047] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 105.108536][ T5047] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 105.121401][ T5047] FAULT_INJECTION: forcing a failure. [ 105.121401][ T5047] name failslab, interval 1, probability 0, space 0, times 0 [ 105.124738][ T5047] CPU: 0 PID: 5047 Comm: syz.0.20 Tainted: G W 5.15.189-syzkaller #0 [ 105.127105][ T5047] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 105.129706][ T5047] Call trace: [ 105.130564][ T5047] dump_backtrace+0x0/0x43c [ 105.131776][ T5047] show_stack+0x2c/0x3c [ 105.132896][ T5047] __dump_stack+0x30/0x40 [ 105.134102][ T5047] dump_stack_lvl+0xf8/0x160 [ 105.135333][ T5047] dump_stack+0x1c/0x5c [ 105.136458][ T5047] should_fail+0x3c0/0x51c [ 105.137682][ T5047] __should_failslab+0xbc/0x10c [ 105.138930][ T5047] should_failslab+0x10/0x28 [ 105.140173][ T5047] slab_pre_alloc_hook+0x64/0xec [ 105.141527][ T5047] kmem_cache_alloc+0x94/0x3e4 [ 105.142763][ T5047] btrfs_alloc_path+0x5c/0x68 [ 105.144037][ T5047] btrfs_insert_dir_item+0x16c/0x3b8 [ 105.145455][ T5047] btrfs_add_link+0x294/0xa68 [ 105.146710][ T5047] btrfs_create+0x45c/0x508 [ 105.147922][ T5047] path_openat+0x1144/0x26e4 [ 105.149163][ T5047] do_filp_open+0x164/0x330 [ 105.150319][ T5047] do_sys_openat2+0x128/0x3d8 [ 105.151612][ T5047] __arm64_sys_openat+0x120/0x154 [ 105.152921][ T5047] invoke_syscall+0x98/0x2b8 [ 105.154159][ T5047] el0_svc_common+0x138/0x258 [ 105.155448][ T5047] do_el0_svc+0x58/0x14c [ 105.156538][ T5047] el0_svc+0x78/0x1e0 [ 105.157635][ T5047] el0t_64_sync_handler+0xcc/0xe4 [ 105.159018][ T5047] el0t_64_sync+0x1a0/0x1a4 [ 105.162475][ T5047] ------------[ cut here ]------------ [ 105.164124][ T5047] WARNING: CPU: 0 PID: 5047 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 105.166552][ T5047] Modules linked in: [ 105.167610][ T5047] CPU: 0 PID: 5047 Comm: syz.0.20 Tainted: G W 5.15.189-syzkaller #0 [ 105.170115][ T5047] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 105.172908][ T5047] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 105.175010][ T5047] pc : btrfs_add_link+0x6e8/0xa68 [ 105.176380][ T5047] lr : btrfs_add_link+0x6e8/0xa68 [ 105.177712][ T5047] sp : ffff8000204e7580 [ 105.178849][ T5047] x29: ffff8000204e7680 x28: ffff0000de72ba50 x27: 0000000000000108 [ 105.181019][ T5047] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 105.183220][ T5047] x23: 0000000000000014 x22: 1fffe0001bce5755 x21: ffff70000409ceb8 [ 105.185463][ T5047] x20: 00000000fffffff4 x19: ffff0000de72baa8 x18: 0000000000000001 [ 105.187664][ T5047] x17: 0000000000000000 x16: ffff8000111bc798 x15: 00000000ffffffff [ 105.189894][ T5047] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 105.192200][ T5047] x11: 0000000000000000 x10: 0000000000000000 x9 : 790476d3cc560500 [ 105.194457][ T5047] x8 : 790476d3cc560500 x7 : 0000000000000001 x6 : 0000000000000001 [ 105.196696][ T5047] x5 : ffff8000204e6e78 x4 : ffff80001424f400 x3 : ffff80000850433c [ 105.198956][ T5047] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 105.201079][ T5047] Call trace: [ 105.201949][ T5047] btrfs_add_link+0x6e8/0xa68 [ 105.203194][ T5047] btrfs_create+0x45c/0x508 [ 105.204454][ T5047] path_openat+0x1144/0x26e4 [ 105.205675][ T5047] do_filp_open+0x164/0x330 [ 105.206888][ T5047] do_sys_openat2+0x128/0x3d8 [ 105.208176][ T5047] __arm64_sys_openat+0x120/0x154 [ 105.209584][ T5047] invoke_syscall+0x98/0x2b8 [ 105.210804][ T5047] el0_svc_common+0x138/0x258 [ 105.212052][ T5047] do_el0_svc+0x58/0x14c [ 105.213214][ T5047] el0_svc+0x78/0x1e0 [ 105.214255][ T5047] el0t_64_sync_handler+0xcc/0xe4 [ 105.215648][ T5047] el0t_64_sync+0x1a0/0x1a4 [ 105.216831][ T5047] irq event stamp: 80458 [ 105.218045][ T5047] hardirqs last enabled at (80457): [] __up_console_sem+0xb4/0x100 [ 105.220723][ T5047] hardirqs last disabled at (80458): [] el1_dbg+0x24/0x80 [ 105.223096][ T5047] softirqs last enabled at (80438): [] handle_softirqs+0xa4c/0xbf0 [ 105.225720][ T5047] softirqs last disabled at (80401): [] __irq_exit_rcu+0x240/0x440 [ 105.228386][ T5047] ---[ end trace fb2ed2b3192da221 ]--- [ 105.232904][ T5047] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 105.235464][ T5047] BTRFS info (device loop0): forced readonly [ 105.569337][ T5069] loop0: detected capacity change from 0 to 32768 [ 105.627698][ T5069] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.21 (5069) [ 105.635979][ T5069] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 105.638349][ T5069] BTRFS info (device loop0): setting nodatacow, compression disabled [ 105.644625][ T5069] BTRFS info (device loop0): setting datacow [ 105.646337][ T5069] BTRFS info (device loop0): doing ref verification [ 105.648277][ T5069] BTRFS info (device loop0): force clearing of disk cache [ 105.650729][ T5069] BTRFS info (device loop0): turning off barriers [ 105.652470][ T5069] BTRFS info (device loop0): use zlib compression, level 3 [ 105.654344][ T5069] BTRFS info (device loop0): using free space tree [ 105.691780][ T5069] FAULT_INJECTION: forcing a failure. [ 105.691780][ T5069] name failslab, interval 1, probability 0, space 0, times 0 [ 105.695324][ T5069] CPU: 0 PID: 5069 Comm: syz.0.21 Tainted: G W 5.15.189-syzkaller #0 [ 105.697831][ T5069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 105.700657][ T5069] Call trace: [ 105.701540][ T5069] dump_backtrace+0x0/0x43c [ 105.702785][ T5069] show_stack+0x2c/0x3c [ 105.703982][ T5069] __dump_stack+0x30/0x40 [ 105.705180][ T5069] dump_stack_lvl+0xf8/0x160 [ 105.706377][ T5069] dump_stack+0x1c/0x5c [ 105.707561][ T5069] should_fail+0x3c0/0x51c [ 105.708861][ T5069] __should_failslab+0xbc/0x10c [ 105.710218][ T5069] should_failslab+0x10/0x28 [ 105.711458][ T5069] slab_pre_alloc_hook+0x64/0xec [ 105.712780][ T5069] kmem_cache_alloc+0x94/0x3e4 [ 105.714036][ T5069] btrfs_alloc_path+0x5c/0x68 [ 105.715253][ T5069] btrfs_insert_dir_item+0x16c/0x3b8 [ 105.716659][ T5069] btrfs_add_link+0x294/0xa68 [ 105.717911][ T5069] btrfs_create+0x45c/0x508 [ 105.719115][ T5069] path_openat+0x1144/0x26e4 [ 105.720452][ T5069] do_filp_open+0x164/0x330 [ 105.721567][ T5069] do_sys_openat2+0x128/0x3d8 [ 105.722913][ T5069] __arm64_sys_openat+0x120/0x154 [ 105.724343][ T5069] invoke_syscall+0x98/0x2b8 [ 105.725583][ T5069] el0_svc_common+0x138/0x258 [ 105.726946][ T5069] do_el0_svc+0x58/0x14c [ 105.728124][ T5069] el0_svc+0x78/0x1e0 [ 105.729286][ T5069] el0t_64_sync_handler+0xcc/0xe4 [ 105.730721][ T5069] el0t_64_sync+0x1a0/0x1a4 [ 105.735335][ T5069] ------------[ cut here ]------------ [ 105.737033][ T5069] WARNING: CPU: 0 PID: 5069 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 105.739569][ T5069] Modules linked in: [ 105.740630][ T5069] CPU: 0 PID: 5069 Comm: syz.0.21 Tainted: G W 5.15.189-syzkaller #0 [ 105.743128][ T5069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 105.745973][ T5069] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 105.748172][ T5069] pc : btrfs_add_link+0x6e8/0xa68 [ 105.749596][ T5069] lr : btrfs_add_link+0x6e8/0xa68 [ 105.750975][ T5069] sp : ffff800020417580 [ 105.752093][ T5069] x29: ffff800020417680 x28: ffff0000de72bbb0 x27: 0000000000000108 [ 105.754409][ T5069] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 105.756647][ T5069] x23: 0000000000000014 x22: 1fffe0001bce5781 x21: ffff700004082eb8 [ 105.758973][ T5069] x20: 00000000fffffff4 x19: ffff0000de72bc08 x18: 0000000000000001 [ 105.761208][ T5069] x17: 0000000000000000 x16: ffff8000111bc798 x15: 00000000ffffffff [ 105.763438][ T5069] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 105.765676][ T5069] x11: 0000000000000000 x10: 0000000000000000 x9 : 40d8aa3d2603ab00 [ 105.767855][ T5069] x8 : 40d8aa3d2603ab00 x7 : 0000000000000001 x6 : 0000000000000001 [ 105.770090][ T5069] x5 : ffff800020416e78 x4 : ffff80001424f400 x3 : ffff80000850433c [ 105.772245][ T5069] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 105.774473][ T5069] Call trace: [ 105.775359][ T5069] btrfs_add_link+0x6e8/0xa68 [ 105.776623][ T5069] btrfs_create+0x45c/0x508 [ 105.777876][ T5069] path_openat+0x1144/0x26e4 [ 105.779117][ T5069] do_filp_open+0x164/0x330 [ 105.780359][ T5069] do_sys_openat2+0x128/0x3d8 [ 105.781589][ T5069] __arm64_sys_openat+0x120/0x154 [ 105.782929][ T5069] invoke_syscall+0x98/0x2b8 [ 105.784186][ T5069] el0_svc_common+0x138/0x258 [ 105.785473][ T5069] do_el0_svc+0x58/0x14c [ 105.786634][ T5069] el0_svc+0x78/0x1e0 [ 105.787806][ T5069] el0t_64_sync_handler+0xcc/0xe4 [ 105.789286][ T5069] el0t_64_sync+0x1a0/0x1a4 [ 105.790477][ T5069] irq event stamp: 80364 [ 105.791618][ T5069] hardirqs last enabled at (80363): [] __up_console_sem+0xb4/0x100 [ 105.794237][ T5069] hardirqs last disabled at (80364): [] el1_dbg+0x24/0x80 [ 105.796560][ T5069] softirqs last enabled at (80344): [] handle_softirqs+0xa4c/0xbf0 [ 105.799193][ T5069] softirqs last disabled at (80203): [] __irq_exit_rcu+0x240/0x440 [ 105.801730][ T5069] ---[ end trace fb2ed2b3192da222 ]--- [ 105.806150][ T5069] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 106.143138][ T5091] loop0: detected capacity change from 0 to 32768 [ 106.211836][ T5091] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.22 (5091) [ 106.385012][ T5091] FAULT_INJECTION: forcing a failure. [ 106.385012][ T5091] name failslab, interval 1, probability 0, space 0, times 0 [ 106.388435][ T5091] CPU: 1 PID: 5091 Comm: syz.0.22 Tainted: G W 5.15.189-syzkaller #0 [ 106.391018][ T5091] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 106.393753][ T5091] Call trace: [ 106.394656][ T5091] dump_backtrace+0x0/0x43c [ 106.395917][ T5091] show_stack+0x2c/0x3c [ 106.397015][ T5091] __dump_stack+0x30/0x40 [ 106.398143][ T5091] dump_stack_lvl+0xf8/0x160 [ 106.399358][ T5091] dump_stack+0x1c/0x5c [ 106.400478][ T5091] should_fail+0x3c0/0x51c [ 106.401652][ T5091] __should_failslab+0xbc/0x10c [ 106.403030][ T5091] should_failslab+0x10/0x28 [ 106.404286][ T5091] slab_pre_alloc_hook+0x64/0xec [ 106.405617][ T5091] kmem_cache_alloc+0x94/0x3e4 [ 106.406844][ T5091] btrfs_alloc_path+0x5c/0x68 [ 106.408127][ T5091] btrfs_insert_dir_item+0x16c/0x3b8 [ 106.409563][ T5091] btrfs_add_link+0x294/0xa68 [ 106.410827][ T5091] btrfs_create+0x45c/0x508 [ 106.412025][ T5091] path_openat+0x1144/0x26e4 [ 106.413265][ T5091] do_filp_open+0x164/0x330 [ 106.414510][ T5091] do_sys_openat2+0x128/0x3d8 [ 106.415807][ T5091] __arm64_sys_openat+0x120/0x154 [ 106.417225][ T5091] invoke_syscall+0x98/0x2b8 [ 106.418495][ T5091] el0_svc_common+0x138/0x258 [ 106.419757][ T5091] do_el0_svc+0x58/0x14c [ 106.420901][ T5091] el0_svc+0x78/0x1e0 [ 106.421941][ T5091] el0t_64_sync_handler+0xcc/0xe4 [ 106.423352][ T5091] el0t_64_sync+0x1a0/0x1a4 [ 106.436714][ T5091] ------------[ cut here ]------------ [ 106.447106][ T5091] WARNING: CPU: 1 PID: 5091 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 106.449571][ T5091] Modules linked in: [ 106.450638][ T5091] CPU: 1 PID: 5091 Comm: syz.0.22 Tainted: G W 5.15.189-syzkaller #0 [ 106.453251][ T5091] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 106.456000][ T5091] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 106.458169][ T5091] pc : btrfs_add_link+0x6e8/0xa68 [ 106.459576][ T5091] lr : btrfs_add_link+0x6e8/0xa68 [ 106.460980][ T5091] sp : ffff8000206d7580 [ 106.462099][ T5091] x29: ffff8000206d7680 x28: ffff0000de6752c0 x27: 0000000000000108 [ 106.464263][ T5091] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 106.466329][ T5091] x23: 0000000000000014 x22: 1fffe0001bccea63 x21: ffff7000040daeb8 [ 106.468455][ T5091] x20: 00000000fffffff4 x19: ffff0000de675318 x18: 0000000000000001 [ 106.470544][ T5091] x17: 0000000000000000 x16: ffff8000111bc798 x15: 00000000ffffffff [ 106.472666][ T5091] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 106.474796][ T5091] x11: 0000000000000000 x10: 0000000000000000 x9 : 3c57a74fdae0a900 [ 106.476899][ T5091] x8 : 3c57a74fdae0a900 x7 : 0000000000000001 x6 : 0000000000000001 [ 106.479017][ T5091] x5 : ffff8000206d6e78 x4 : ffff80001424f400 x3 : ffff80000850433c [ 106.481253][ T5091] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 106.483478][ T5091] Call trace: [ 106.484393][ T5091] btrfs_add_link+0x6e8/0xa68 [ 106.485656][ T5091] btrfs_create+0x45c/0x508 [ 106.486959][ T5091] path_openat+0x1144/0x26e4 [ 106.488282][ T5091] do_filp_open+0x164/0x330 [ 106.489498][ T5091] do_sys_openat2+0x128/0x3d8 [ 106.490748][ T5091] __arm64_sys_openat+0x120/0x154 [ 106.492192][ T5091] invoke_syscall+0x98/0x2b8 [ 106.493485][ T5091] el0_svc_common+0x138/0x258 [ 106.494805][ T5091] do_el0_svc+0x58/0x14c [ 106.495967][ T5091] el0_svc+0x78/0x1e0 [ 106.497062][ T5091] el0t_64_sync_handler+0xcc/0xe4 [ 106.498430][ T5091] el0t_64_sync+0x1a0/0x1a4 [ 106.499627][ T5091] irq event stamp: 81016 [ 106.500776][ T5091] hardirqs last enabled at (81015): [] __up_console_sem+0xb4/0x100 [ 106.503419][ T5091] hardirqs last disabled at (81016): [] el1_dbg+0x24/0x80 [ 106.505809][ T5091] softirqs last enabled at (80990): [] handle_softirqs+0xa4c/0xbf0 [ 106.508467][ T5091] softirqs last disabled at (80913): [] __irq_exit_rcu+0x240/0x440 [ 106.511064][ T5091] ---[ end trace fb2ed2b3192da223 ]--- [ 106.535686][ T5091] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 106.916547][ T5113] loop0: detected capacity change from 0 to 32768 [ 106.939180][ T5113] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.23 (5113) [ 107.083851][ T5113] FAULT_INJECTION: forcing a failure. [ 107.083851][ T5113] name failslab, interval 1, probability 0, space 0, times 0 [ 107.087258][ T5113] CPU: 1 PID: 5113 Comm: syz.0.23 Tainted: G W 5.15.189-syzkaller #0 [ 107.089735][ T5113] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 107.092487][ T5113] Call trace: [ 107.093303][ T5113] dump_backtrace+0x0/0x43c [ 107.094556][ T5113] show_stack+0x2c/0x3c [ 107.095680][ T5113] __dump_stack+0x30/0x40 [ 107.096859][ T5113] dump_stack_lvl+0xf8/0x160 [ 107.098081][ T5113] dump_stack+0x1c/0x5c [ 107.099187][ T5113] should_fail+0x3c0/0x51c [ 107.100401][ T5113] __should_failslab+0xbc/0x10c [ 107.101754][ T5113] should_failslab+0x10/0x28 [ 107.102972][ T5113] slab_pre_alloc_hook+0x64/0xec [ 107.104301][ T5113] kmem_cache_alloc+0x94/0x3e4 [ 107.105563][ T5113] btrfs_alloc_path+0x5c/0x68 [ 107.106806][ T5113] btrfs_insert_dir_item+0x16c/0x3b8 [ 107.108200][ T5113] btrfs_add_link+0x294/0xa68 [ 107.109493][ T5113] btrfs_create+0x45c/0x508 [ 107.110725][ T5113] path_openat+0x1144/0x26e4 [ 107.111983][ T5113] do_filp_open+0x164/0x330 [ 107.113166][ T5113] do_sys_openat2+0x128/0x3d8 [ 107.114427][ T5113] __arm64_sys_openat+0x120/0x154 [ 107.115815][ T5113] invoke_syscall+0x98/0x2b8 [ 107.117046][ T5113] el0_svc_common+0x138/0x258 [ 107.118363][ T5113] do_el0_svc+0x58/0x14c [ 107.119529][ T5113] el0_svc+0x78/0x1e0 [ 107.120595][ T5113] el0t_64_sync_handler+0xcc/0xe4 [ 107.121959][ T5113] el0t_64_sync+0x1a0/0x1a4 [ 107.129831][ T5113] ------------[ cut here ]------------ [ 107.131614][ T5113] WARNING: CPU: 0 PID: 5113 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 107.134054][ T5113] Modules linked in: [ 107.135136][ T5113] CPU: 0 PID: 5113 Comm: syz.0.23 Tainted: G W 5.15.189-syzkaller #0 [ 107.137676][ T5113] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 107.140365][ T5113] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 107.142541][ T5113] pc : btrfs_add_link+0x6e8/0xa68 [ 107.143946][ T5113] lr : btrfs_add_link+0x6e8/0xa68 [ 107.145393][ T5113] sp : ffff800020be7580 [ 107.146529][ T5113] x29: ffff800020be7680 x28: ffff0000de675580 x27: 0000000000000108 [ 107.148746][ T5113] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 107.150966][ T5113] x23: 0000000000000014 x22: 1fffe0001bcceabb x21: ffff70000417ceb8 [ 107.153095][ T5113] x20: 00000000fffffff4 x19: ffff0000de6755d8 x18: 0000000000000001 [ 107.155363][ T5113] x17: 0000000000000000 x16: ffff8000083020fc x15: 00000000ffffffff [ 107.157566][ T5113] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 107.159764][ T5113] x11: 0000000000000000 x10: 0000000000000000 x9 : 4265fd8f707b3100 [ 107.161941][ T5113] x8 : 4265fd8f707b3100 x7 : 0000000000000001 x6 : 0000000000000001 [ 107.164116][ T5113] x5 : ffff800020be6e78 x4 : ffff80001424f400 x3 : ffff80000830220c [ 107.166259][ T5113] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 107.168548][ T5113] Call trace: [ 107.169520][ T5113] btrfs_add_link+0x6e8/0xa68 [ 107.170805][ T5113] btrfs_create+0x45c/0x508 [ 107.172020][ T5113] path_openat+0x1144/0x26e4 [ 107.173418][ T5113] do_filp_open+0x164/0x330 [ 107.174692][ T5113] do_sys_openat2+0x128/0x3d8 [ 107.176066][ T5113] __arm64_sys_openat+0x120/0x154 [ 107.177489][ T5113] invoke_syscall+0x98/0x2b8 [ 107.178868][ T5113] el0_svc_common+0x138/0x258 [ 107.180173][ T5113] do_el0_svc+0x58/0x14c [ 107.181352][ T5113] el0_svc+0x78/0x1e0 [ 107.182424][ T5113] el0t_64_sync_handler+0xcc/0xe4 [ 107.183845][ T5113] el0t_64_sync+0x1a0/0x1a4 [ 107.185052][ T5113] irq event stamp: 80422 [ 107.186243][ T5113] hardirqs last enabled at (80421): [] __up_console_sem+0xb4/0x100 [ 107.188838][ T5113] hardirqs last disabled at (80422): [] el1_dbg+0x24/0x80 [ 107.191214][ T5113] softirqs last enabled at (80402): [] handle_softirqs+0xa4c/0xbf0 [ 107.193834][ T5113] softirqs last disabled at (80347): [] __irq_exit_rcu+0x240/0x440 [ 107.196389][ T5113] ---[ end trace fb2ed2b3192da224 ]--- [ 107.215547][ T5113] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory 1970/01/01 00:01:47 executed programs: 11 [ 107.617382][ T5135] loop0: detected capacity change from 0 to 32768 [ 107.700149][ T5135] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.24 (5135) [ 107.707524][ T5135] btrfs_printk: 40 callbacks suppressed [ 107.707536][ T5135] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 107.711411][ T5135] BTRFS info (device loop0): setting nodatacow, compression disabled [ 107.713633][ T5135] BTRFS info (device loop0): setting datacow [ 107.715213][ T5135] BTRFS info (device loop0): doing ref verification [ 107.716985][ T5135] BTRFS info (device loop0): force clearing of disk cache [ 107.718813][ T5135] BTRFS info (device loop0): turning off barriers [ 107.720683][ T5135] BTRFS info (device loop0): use zlib compression, level 3 [ 107.722601][ T5135] BTRFS info (device loop0): using free space tree [ 107.724401][ T5135] BTRFS info (device loop0): has skinny extents [ 107.746240][ T5135] BTRFS info (device loop0): clearing free space tree [ 107.748207][ T5135] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 107.750971][ T5135] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 107.756585][ T5135] BTRFS info (device loop0): creating free space tree [ 107.759220][ T5135] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 107.761824][ T5135] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 107.769298][ T5135] FAULT_INJECTION: forcing a failure. [ 107.769298][ T5135] name failslab, interval 1, probability 0, space 0, times 0 [ 107.772774][ T5135] CPU: 0 PID: 5135 Comm: syz.0.24 Tainted: G W 5.15.189-syzkaller #0 [ 107.775257][ T5135] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 107.777894][ T5135] Call trace: [ 107.778748][ T5135] dump_backtrace+0x0/0x43c [ 107.779981][ T5135] show_stack+0x2c/0x3c [ 107.781168][ T5135] __dump_stack+0x30/0x40 [ 107.782409][ T5135] dump_stack_lvl+0xf8/0x160 [ 107.783703][ T5135] dump_stack+0x1c/0x5c [ 107.784823][ T5135] should_fail+0x3c0/0x51c [ 107.786081][ T5135] __should_failslab+0xbc/0x10c [ 107.787392][ T5135] should_failslab+0x10/0x28 [ 107.788707][ T5135] slab_pre_alloc_hook+0x64/0xec [ 107.790081][ T5135] kmem_cache_alloc+0x94/0x3e4 [ 107.791391][ T5135] btrfs_get_or_create_delayed_node+0x128/0x4c8 [ 107.793091][ T5135] btrfs_delayed_update_inode+0x3c/0x1b7c [ 107.794656][ T5135] btrfs_update_inode+0x210/0x3d4 [ 107.795982][ T5135] btrfs_create+0x360/0x508 [ 107.797344][ T5135] path_openat+0x1144/0x26e4 [ 107.798585][ T5135] do_filp_open+0x164/0x330 [ 107.799787][ T5135] do_sys_openat2+0x128/0x3d8 [ 107.801177][ T5135] __arm64_sys_openat+0x120/0x154 [ 107.802563][ T5135] invoke_syscall+0x98/0x2b8 [ 107.803855][ T5135] el0_svc_common+0x138/0x258 [ 107.805133][ T5135] do_el0_svc+0x58/0x14c [ 107.806279][ T5135] el0_svc+0x78/0x1e0 [ 107.807414][ T5135] el0t_64_sync_handler+0xcc/0xe4 [ 107.808754][ T5135] el0t_64_sync+0x1a0/0x1a4 [ 108.086917][ T5157] loop0: detected capacity change from 0 to 32768 [ 108.139000][ T5157] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.25 (5157) [ 108.144822][ T5157] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 108.147143][ T5157] BTRFS info (device loop0): setting nodatacow, compression disabled [ 108.149818][ T5157] BTRFS info (device loop0): setting datacow [ 108.151484][ T5157] BTRFS info (device loop0): doing ref verification [ 108.153245][ T5157] BTRFS info (device loop0): force clearing of disk cache [ 108.155109][ T5157] BTRFS info (device loop0): turning off barriers [ 108.156900][ T5157] BTRFS info (device loop0): use zlib compression, level 3 [ 108.158832][ T5157] BTRFS info (device loop0): using free space tree [ 108.161368][ T5157] BTRFS info (device loop0): has skinny extents [ 108.181297][ T5157] BTRFS info (device loop0): clearing free space tree [ 108.183123][ T5157] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 108.185673][ T5157] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 108.191962][ T5157] BTRFS info (device loop0): creating free space tree [ 108.194408][ T5157] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 108.196933][ T5157] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 108.206732][ T5157] FAULT_INJECTION: forcing a failure. [ 108.206732][ T5157] name failslab, interval 1, probability 0, space 0, times 0 [ 108.211845][ T5157] CPU: 0 PID: 5157 Comm: syz.0.25 Tainted: G W 5.15.189-syzkaller #0 [ 108.214358][ T5157] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 108.217114][ T5157] Call trace: [ 108.217994][ T5157] dump_backtrace+0x0/0x43c [ 108.219287][ T5157] show_stack+0x2c/0x3c [ 108.220376][ T5157] __dump_stack+0x30/0x40 [ 108.221556][ T5157] dump_stack_lvl+0xf8/0x160 [ 108.222829][ T5157] dump_stack+0x1c/0x5c [ 108.223907][ T5157] should_fail+0x3c0/0x51c [ 108.225145][ T5157] __should_failslab+0xbc/0x10c [ 108.226474][ T5157] should_failslab+0x10/0x28 [ 108.227739][ T5157] slab_pre_alloc_hook+0x64/0xec [ 108.229165][ T5157] kmem_cache_alloc+0x94/0x3e4 [ 108.230471][ T5157] btrfs_alloc_path+0x5c/0x68 [ 108.231779][ T5157] btrfs_insert_dir_item+0x16c/0x3b8 [ 108.233345][ T5157] btrfs_add_link+0x294/0xa68 [ 108.234590][ T5157] btrfs_create+0x45c/0x508 [ 108.235892][ T5157] path_openat+0x1144/0x26e4 [ 108.237153][ T5157] do_filp_open+0x164/0x330 [ 108.238368][ T5157] do_sys_openat2+0x128/0x3d8 [ 108.239689][ T5157] __arm64_sys_openat+0x120/0x154 [ 108.240995][ T5157] invoke_syscall+0x98/0x2b8 [ 108.242220][ T5157] el0_svc_common+0x138/0x258 [ 108.243526][ T5157] do_el0_svc+0x58/0x14c [ 108.244745][ T5157] el0_svc+0x78/0x1e0 [ 108.245830][ T5157] el0t_64_sync_handler+0xcc/0xe4 [ 108.247221][ T5157] el0t_64_sync+0x1a0/0x1a4 [ 108.252443][ T5157] ------------[ cut here ]------------ [ 108.254171][ T5157] WARNING: CPU: 0 PID: 5157 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 108.256696][ T5157] Modules linked in: [ 108.257787][ T5157] CPU: 0 PID: 5157 Comm: syz.0.25 Tainted: G W 5.15.189-syzkaller #0 [ 108.260299][ T5157] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 108.263054][ T5157] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 108.265122][ T5157] pc : btrfs_add_link+0x6e8/0xa68 [ 108.266529][ T5157] lr : btrfs_add_link+0x6e8/0xa68 [ 108.267853][ T5157] sp : ffff800020e27580 [ 108.268966][ T5157] x29: ffff800020e27680 x28: ffff0000de76d420 x27: 0000000000000108 [ 108.271142][ T5157] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 108.273296][ T5157] x23: 0000000000000014 x22: 1fffe0001bceda8f x21: ffff7000041c4eb8 [ 108.275504][ T5157] x20: 00000000fffffff4 x19: ffff0000de76d478 x18: 0000000000000001 [ 108.277644][ T5157] x17: 0000000000000000 x16: ffff8000111bc798 x15: 00000000ffffffff [ 108.279801][ T5157] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 108.281920][ T5157] x11: 0000000000000000 x10: 0000000000000000 x9 : 722b437874273600 [ 108.284089][ T5157] x8 : 722b437874273600 x7 : 0000000000000001 x6 : 0000000000000001 [ 108.286283][ T5157] x5 : ffff800020e26e78 x4 : ffff80001424f400 x3 : ffff80000850433c [ 108.288460][ T5157] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 108.290698][ T5157] Call trace: [ 108.291565][ T5157] btrfs_add_link+0x6e8/0xa68 [ 108.292826][ T5157] btrfs_create+0x45c/0x508 [ 108.294071][ T5157] path_openat+0x1144/0x26e4 [ 108.295362][ T5157] do_filp_open+0x164/0x330 [ 108.296645][ T5157] do_sys_openat2+0x128/0x3d8 [ 108.297883][ T5157] __arm64_sys_openat+0x120/0x154 [ 108.299244][ T5157] invoke_syscall+0x98/0x2b8 [ 108.300541][ T5157] el0_svc_common+0x138/0x258 [ 108.301836][ T5157] do_el0_svc+0x58/0x14c [ 108.303019][ T5157] el0_svc+0x78/0x1e0 [ 108.304147][ T5157] el0t_64_sync_handler+0xcc/0xe4 [ 108.305528][ T5157] el0t_64_sync+0x1a0/0x1a4 [ 108.306746][ T5157] irq event stamp: 80362 [ 108.307892][ T5157] hardirqs last enabled at (80361): [] __up_console_sem+0xb4/0x100 [ 108.310523][ T5157] hardirqs last disabled at (80362): [] el1_dbg+0x24/0x80 [ 108.312939][ T5157] softirqs last enabled at (80342): [] handle_softirqs+0xa4c/0xbf0 [ 108.315596][ T5157] softirqs last disabled at (80325): [] __irq_exit_rcu+0x240/0x440 [ 108.318264][ T5157] ---[ end trace fb2ed2b3192da225 ]--- [ 108.322876][ T5157] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 108.325356][ T5157] BTRFS info (device loop0): forced readonly [ 108.670143][ T5179] loop0: detected capacity change from 0 to 32768 [ 108.716537][ T5179] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.26 (5179) [ 108.723921][ T5179] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 108.726200][ T5179] BTRFS info (device loop0): setting nodatacow, compression disabled [ 108.728442][ T5179] BTRFS info (device loop0): setting datacow [ 108.730221][ T5179] BTRFS info (device loop0): doing ref verification [ 108.731898][ T5179] BTRFS info (device loop0): force clearing of disk cache [ 108.733685][ T5179] BTRFS info (device loop0): turning off barriers [ 108.735485][ T5179] BTRFS info (device loop0): use zlib compression, level 3 [ 108.737452][ T5179] BTRFS info (device loop0): using free space tree [ 108.739331][ T5179] BTRFS info (device loop0): has skinny extents [ 108.753583][ T5179] BTRFS info (device loop0): clearing free space tree [ 108.755503][ T5179] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 108.758042][ T5179] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 108.763849][ T5179] BTRFS info (device loop0): creating free space tree [ 108.766349][ T5179] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 108.769107][ T5179] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 108.776591][ T5179] FAULT_INJECTION: forcing a failure. [ 108.776591][ T5179] name failslab, interval 1, probability 0, space 0, times 0 [ 108.779944][ T5179] CPU: 0 PID: 5179 Comm: syz.0.26 Tainted: G W 5.15.189-syzkaller #0 [ 108.782433][ T5179] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 108.785053][ T5179] Call trace: [ 108.785944][ T5179] dump_backtrace+0x0/0x43c [ 108.787148][ T5179] show_stack+0x2c/0x3c [ 108.788256][ T5179] __dump_stack+0x30/0x40 [ 108.789453][ T5179] dump_stack_lvl+0xf8/0x160 [ 108.790692][ T5179] dump_stack+0x1c/0x5c [ 108.791787][ T5179] should_fail+0x3c0/0x51c [ 108.792951][ T5179] __should_failslab+0xbc/0x10c [ 108.794305][ T5179] should_failslab+0x10/0x28 [ 108.795558][ T5179] slab_pre_alloc_hook+0x64/0xec [ 108.796936][ T5179] kmem_cache_alloc+0x94/0x3e4 [ 108.798215][ T5179] btrfs_alloc_path+0x5c/0x68 [ 108.799505][ T5179] btrfs_insert_dir_item+0x16c/0x3b8 [ 108.800929][ T5179] btrfs_add_link+0x294/0xa68 [ 108.802167][ T5179] btrfs_create+0x45c/0x508 [ 108.803363][ T5179] path_openat+0x1144/0x26e4 [ 108.804585][ T5179] do_filp_open+0x164/0x330 [ 108.805814][ T5179] do_sys_openat2+0x128/0x3d8 [ 108.807046][ T5179] __arm64_sys_openat+0x120/0x154 [ 108.808411][ T5179] invoke_syscall+0x98/0x2b8 [ 108.809679][ T5179] el0_svc_common+0x138/0x258 [ 108.810942][ T5179] do_el0_svc+0x58/0x14c [ 108.812069][ T5179] el0_svc+0x78/0x1e0 [ 108.813146][ T5179] el0t_64_sync_handler+0xcc/0xe4 [ 108.814620][ T5179] el0t_64_sync+0x1a0/0x1a4 [ 108.816094][ T5179] ------------[ cut here ]------------ [ 108.817757][ T5179] WARNING: CPU: 0 PID: 5179 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 108.820176][ T5179] Modules linked in: [ 108.821195][ T5179] CPU: 0 PID: 5179 Comm: syz.0.26 Tainted: G W 5.15.189-syzkaller #0 [ 108.823676][ T5179] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 108.826437][ T5179] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 108.828601][ T5179] pc : btrfs_add_link+0x6e8/0xa68 [ 108.829933][ T5179] lr : btrfs_add_link+0x6e8/0xa68 [ 108.831314][ T5179] sp : ffff800020e87580 [ 108.832429][ T5179] x29: ffff800020e87680 x28: ffff0000de76d6e0 x27: 0000000000000108 [ 108.834670][ T5179] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 108.836810][ T5179] x23: 0000000000000014 x22: 1fffe0001bcedae7 x21: ffff7000041d0eb8 [ 108.839000][ T5179] x20: 00000000fffffff4 x19: ffff0000de76d738 x18: 0000000000000001 [ 108.841149][ T5179] x17: 0000000000000000 x16: ffff8000083020fc x15: 00000000ffffffff [ 108.843320][ T5179] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 108.845526][ T5179] x11: 0000000000000000 x10: 0000000000000000 x9 : 5336c078b5fa9300 [ 108.847708][ T5179] x8 : 5336c078b5fa9300 x7 : 0000000000000001 x6 : 0000000000000001 [ 108.849867][ T5179] x5 : ffff800020e86e78 x4 : ffff80001424f400 x3 : ffff80000830220c [ 108.852010][ T5179] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 108.854198][ T5179] Call trace: [ 108.855067][ T5179] btrfs_add_link+0x6e8/0xa68 [ 108.856277][ T5179] btrfs_create+0x45c/0x508 [ 108.857536][ T5179] path_openat+0x1144/0x26e4 [ 108.858788][ T5179] do_filp_open+0x164/0x330 [ 108.860070][ T5179] do_sys_openat2+0x128/0x3d8 [ 108.861394][ T5179] __arm64_sys_openat+0x120/0x154 [ 108.862769][ T5179] invoke_syscall+0x98/0x2b8 [ 108.864045][ T5179] el0_svc_common+0x138/0x258 [ 108.865372][ T5179] do_el0_svc+0x58/0x14c [ 108.866558][ T5179] el0_svc+0x78/0x1e0 [ 108.867670][ T5179] el0t_64_sync_handler+0xcc/0xe4 [ 108.869039][ T5179] el0t_64_sync+0x1a0/0x1a4 [ 108.870240][ T5179] irq event stamp: 80244 [ 108.871359][ T5179] hardirqs last enabled at (80243): [] __up_console_sem+0xb4/0x100 [ 108.873955][ T5179] hardirqs last disabled at (80244): [] el1_dbg+0x24/0x80 [ 108.876328][ T5179] softirqs last enabled at (80224): [] handle_softirqs+0xa4c/0xbf0 [ 108.878951][ T5179] softirqs last disabled at (80213): [] __irq_exit_rcu+0x240/0x440 [ 108.881539][ T5179] ---[ end trace fb2ed2b3192da226 ]--- [ 108.883205][ T5179] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 108.885552][ T5179] BTRFS info (device loop0): forced readonly [ 109.156442][ T5201] loop0: detected capacity change from 0 to 32768 [ 109.192862][ T5201] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.27 (5201) [ 109.199964][ T5201] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 109.202403][ T5201] BTRFS info (device loop0): setting nodatacow, compression disabled [ 109.204514][ T5201] BTRFS info (device loop0): setting datacow [ 109.206084][ T5201] BTRFS info (device loop0): doing ref verification [ 109.207820][ T5201] BTRFS info (device loop0): force clearing of disk cache [ 109.210232][ T5201] BTRFS info (device loop0): turning off barriers [ 109.211961][ T5201] BTRFS info (device loop0): use zlib compression, level 3 [ 109.213863][ T5201] BTRFS info (device loop0): using free space tree [ 109.215617][ T5201] BTRFS info (device loop0): has skinny extents [ 109.238492][ T5201] BTRFS info (device loop0): clearing free space tree [ 109.240451][ T5201] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 109.243075][ T5201] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 109.248342][ T5201] BTRFS info (device loop0): creating free space tree [ 109.251231][ T5201] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 109.253814][ T5201] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 109.261862][ T5201] FAULT_INJECTION: forcing a failure. [ 109.261862][ T5201] name failslab, interval 1, probability 0, space 0, times 0 [ 109.265212][ T5201] CPU: 1 PID: 5201 Comm: syz.0.27 Tainted: G W 5.15.189-syzkaller #0 [ 109.267587][ T5201] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 109.270216][ T5201] Call trace: [ 109.271124][ T5201] dump_backtrace+0x0/0x43c [ 109.272351][ T5201] show_stack+0x2c/0x3c [ 109.273459][ T5201] __dump_stack+0x30/0x40 [ 109.274640][ T5201] dump_stack_lvl+0xf8/0x160 [ 109.275898][ T5201] dump_stack+0x1c/0x5c [ 109.276975][ T5201] should_fail+0x3c0/0x51c [ 109.278186][ T5201] __should_failslab+0xbc/0x10c [ 109.279554][ T5201] should_failslab+0x10/0x28 [ 109.280865][ T5201] slab_pre_alloc_hook+0x64/0xec [ 109.282234][ T5201] kmem_cache_alloc+0x94/0x3e4 [ 109.283501][ T5201] btrfs_alloc_path+0x5c/0x68 [ 109.284735][ T5201] btrfs_insert_dir_item+0x16c/0x3b8 [ 109.286168][ T5201] btrfs_add_link+0x294/0xa68 [ 109.287398][ T5201] btrfs_create+0x45c/0x508 [ 109.288620][ T5201] path_openat+0x1144/0x26e4 [ 109.289830][ T5201] do_filp_open+0x164/0x330 [ 109.291057][ T5201] do_sys_openat2+0x128/0x3d8 [ 109.292315][ T5201] __arm64_sys_openat+0x120/0x154 [ 109.293614][ T5201] invoke_syscall+0x98/0x2b8 [ 109.294877][ T5201] el0_svc_common+0x138/0x258 [ 109.296120][ T5201] do_el0_svc+0x58/0x14c [ 109.297288][ T5201] el0_svc+0x78/0x1e0 [ 109.298359][ T5201] el0t_64_sync_handler+0xcc/0xe4 [ 109.299770][ T5201] el0t_64_sync+0x1a0/0x1a4 [ 109.303462][ T5201] ------------[ cut here ]------------ [ 109.305165][ T5201] WARNING: CPU: 1 PID: 5201 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 109.307553][ T5201] Modules linked in: [ 109.308589][ T5201] CPU: 1 PID: 5201 Comm: syz.0.27 Tainted: G W 5.15.189-syzkaller #0 [ 109.311128][ T5201] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 109.313743][ T5201] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 109.315845][ T5201] pc : btrfs_add_link+0x6e8/0xa68 [ 109.317168][ T5201] lr : btrfs_add_link+0x6e8/0xa68 [ 109.318517][ T5201] sp : ffff800020e87580 [ 109.319652][ T5201] x29: ffff800020e87680 x28: ffff0000de675840 x27: 0000000000000108 [ 109.322019][ T5201] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 109.324228][ T5201] x23: 0000000000000014 x22: 1fffe0001bcceb13 x21: ffff7000041d0eb8 [ 109.326441][ T5201] x20: 00000000fffffff4 x19: ffff0000de675898 x18: 0000000000000001 [ 109.328579][ T5201] x17: 0000000000000000 x16: ffff8000111bc798 x15: 00000000ffffffff [ 109.330712][ T5201] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 109.332881][ T5201] x11: 0000000000000000 x10: 0000000000000000 x9 : 688113aab45c7000 [ 109.335016][ T5201] x8 : 688113aab45c7000 x7 : 0000000000000001 x6 : 0000000000000001 [ 109.337227][ T5201] x5 : ffff800020e86e78 x4 : ffff80001424f400 x3 : ffff80000850433c [ 109.339454][ T5201] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 109.341653][ T5201] Call trace: [ 109.342559][ T5201] btrfs_add_link+0x6e8/0xa68 [ 109.343818][ T5201] btrfs_create+0x45c/0x508 [ 109.345039][ T5201] path_openat+0x1144/0x26e4 [ 109.346263][ T5201] do_filp_open+0x164/0x330 [ 109.347539][ T5201] do_sys_openat2+0x128/0x3d8 [ 109.348842][ T5201] __arm64_sys_openat+0x120/0x154 [ 109.350304][ T5201] invoke_syscall+0x98/0x2b8 [ 109.351659][ T5201] el0_svc_common+0x138/0x258 [ 109.352993][ T5201] do_el0_svc+0x58/0x14c [ 109.354252][ T5201] el0_svc+0x78/0x1e0 [ 109.355385][ T5201] el0t_64_sync_handler+0xcc/0xe4 [ 109.356846][ T5201] el0t_64_sync+0x1a0/0x1a4 [ 109.358124][ T5201] irq event stamp: 80424 [ 109.359337][ T5201] hardirqs last enabled at (80423): [] __up_console_sem+0xb4/0x100 [ 109.362084][ T5201] hardirqs last disabled at (80424): [] el1_dbg+0x24/0x80 [ 109.364568][ T5201] softirqs last enabled at (80404): [] handle_softirqs+0xa4c/0xbf0 [ 109.367163][ T5201] softirqs last disabled at (80311): [] __irq_exit_rcu+0x240/0x440 [ 109.369700][ T5201] ---[ end trace fb2ed2b3192da227 ]--- [ 109.376266][ T5201] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 109.378834][ T5201] BTRFS info (device loop0): forced readonly [ 109.645128][ T5223] loop0: detected capacity change from 0 to 32768 [ 109.716841][ T5223] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.28 (5223) [ 109.724728][ T5223] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 109.727081][ T5223] BTRFS info (device loop0): setting nodatacow, compression disabled [ 109.729474][ T5223] BTRFS info (device loop0): setting datacow [ 109.731248][ T5223] BTRFS info (device loop0): doing ref verification [ 109.733021][ T5223] BTRFS info (device loop0): force clearing of disk cache [ 109.734969][ T5223] BTRFS info (device loop0): turning off barriers [ 109.736721][ T5223] BTRFS info (device loop0): use zlib compression, level 3 [ 109.738658][ T5223] BTRFS info (device loop0): using free space tree [ 109.740678][ T5223] BTRFS info (device loop0): has skinny extents [ 109.764721][ T5223] BTRFS info (device loop0): clearing free space tree [ 109.766648][ T5223] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 109.770649][ T5223] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 109.776525][ T5223] BTRFS info (device loop0): creating free space tree [ 109.779590][ T5223] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 109.782167][ T5223] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 109.791414][ T5223] FAULT_INJECTION: forcing a failure. [ 109.791414][ T5223] name failslab, interval 1, probability 0, space 0, times 0 [ 109.794867][ T5223] CPU: 1 PID: 5223 Comm: syz.0.28 Tainted: G W 5.15.189-syzkaller #0 [ 109.797402][ T5223] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 109.800081][ T5223] Call trace: [ 109.800979][ T5223] dump_backtrace+0x0/0x43c [ 109.802314][ T5223] show_stack+0x2c/0x3c [ 109.803480][ T5223] __dump_stack+0x30/0x40 [ 109.804644][ T5223] dump_stack_lvl+0xf8/0x160 [ 109.805827][ T5223] dump_stack+0x1c/0x5c [ 109.806941][ T5223] should_fail+0x3c0/0x51c [ 109.808110][ T5223] __should_failslab+0xbc/0x10c [ 109.809507][ T5223] should_failslab+0x10/0x28 [ 109.810771][ T5223] slab_pre_alloc_hook+0x64/0xec [ 109.812087][ T5223] kmem_cache_alloc+0x94/0x3e4 [ 109.813540][ T5223] btrfs_get_or_create_delayed_node+0x128/0x4c8 [ 109.815318][ T5223] btrfs_delayed_update_inode+0x3c/0x1b7c [ 109.816877][ T5223] btrfs_update_inode+0x210/0x3d4 [ 109.818269][ T5223] btrfs_create+0x360/0x508 [ 109.819494][ T5223] path_openat+0x1144/0x26e4 [ 109.820768][ T5223] do_filp_open+0x164/0x330 [ 109.822022][ T5223] do_sys_openat2+0x128/0x3d8 [ 109.823328][ T5223] __arm64_sys_openat+0x120/0x154 [ 109.824697][ T5223] invoke_syscall+0x98/0x2b8 [ 109.825890][ T5223] el0_svc_common+0x138/0x258 [ 109.827146][ T5223] do_el0_svc+0x58/0x14c [ 109.828254][ T5223] el0_svc+0x78/0x1e0 [ 109.829374][ T5223] el0t_64_sync_handler+0xcc/0xe4 [ 109.830742][ T5223] el0t_64_sync+0x1a0/0x1a4 [ 110.122433][ T5245] loop0: detected capacity change from 0 to 32768 [ 110.180557][ T5245] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.29 (5245) [ 110.186594][ T5245] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 110.188987][ T5245] BTRFS info (device loop0): setting nodatacow, compression disabled [ 110.191286][ T5245] BTRFS info (device loop0): setting datacow [ 110.193130][ T5245] BTRFS info (device loop0): doing ref verification [ 110.194977][ T5245] BTRFS info (device loop0): force clearing of disk cache [ 110.197002][ T5245] BTRFS info (device loop0): turning off barriers [ 110.198710][ T5245] BTRFS info (device loop0): use zlib compression, level 3 [ 110.200872][ T5245] BTRFS info (device loop0): using free space tree [ 110.202624][ T5245] BTRFS info (device loop0): has skinny extents [ 110.218561][ T5245] BTRFS info (device loop0): clearing free space tree [ 110.220689][ T5245] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 110.223871][ T5245] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 110.230864][ T5245] BTRFS info (device loop0): creating free space tree [ 110.233227][ T5245] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 110.235639][ T5245] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 110.243061][ T5245] FAULT_INJECTION: forcing a failure. [ 110.243061][ T5245] name failslab, interval 1, probability 0, space 0, times 0 [ 110.246593][ T5245] CPU: 1 PID: 5245 Comm: syz.0.29 Tainted: G W 5.15.189-syzkaller #0 [ 110.249165][ T5245] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 110.251853][ T5245] Call trace: [ 110.252770][ T5245] dump_backtrace+0x0/0x43c [ 110.254006][ T5245] show_stack+0x2c/0x3c [ 110.255114][ T5245] __dump_stack+0x30/0x40 [ 110.256243][ T5245] dump_stack_lvl+0xf8/0x160 [ 110.257474][ T5245] dump_stack+0x1c/0x5c [ 110.258555][ T5245] should_fail+0x3c0/0x51c [ 110.259791][ T5245] __should_failslab+0xbc/0x10c [ 110.261105][ T5245] should_failslab+0x10/0x28 [ 110.262327][ T5245] slab_pre_alloc_hook+0x64/0xec [ 110.263692][ T5245] kmem_cache_alloc+0x94/0x3e4 [ 110.265055][ T5245] btrfs_alloc_path+0x5c/0x68 [ 110.266426][ T5245] btrfs_insert_dir_item+0x16c/0x3b8 [ 110.267877][ T5245] btrfs_add_link+0x294/0xa68 [ 110.269198][ T5245] btrfs_create+0x45c/0x508 [ 110.270419][ T5245] path_openat+0x1144/0x26e4 [ 110.271737][ T5245] do_filp_open+0x164/0x330 [ 110.273028][ T5245] do_sys_openat2+0x128/0x3d8 [ 110.274255][ T5245] __arm64_sys_openat+0x120/0x154 [ 110.275584][ T5245] invoke_syscall+0x98/0x2b8 [ 110.276658][ T5245] el0_svc_common+0x138/0x258 [ 110.277902][ T5245] do_el0_svc+0x58/0x14c [ 110.279033][ T5245] el0_svc+0x78/0x1e0 [ 110.280102][ T5245] el0t_64_sync_handler+0xcc/0xe4 [ 110.281416][ T5245] el0t_64_sync+0x1a0/0x1a4 [ 110.285354][ T5245] ------------[ cut here ]------------ [ 110.287037][ T5245] WARNING: CPU: 1 PID: 5245 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 110.289478][ T5245] Modules linked in: [ 110.290515][ T5245] CPU: 1 PID: 5245 Comm: syz.0.29 Tainted: G W 5.15.189-syzkaller #0 [ 110.293009][ T5245] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 110.295919][ T5245] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 110.298003][ T5245] pc : btrfs_add_link+0x6e8/0xa68 [ 110.299355][ T5245] lr : btrfs_add_link+0x6e8/0xa68 [ 110.300754][ T5245] sp : ffff8000212c7580 [ 110.301819][ T5245] x29: ffff8000212c7680 x28: ffff0000de675dc0 x27: 0000000000000108 [ 110.304033][ T5245] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 110.306201][ T5245] x23: 0000000000000014 x22: 1fffe0001bccebc3 x21: ffff700004258eb8 [ 110.308350][ T5245] x20: 00000000fffffff4 x19: ffff0000de675e18 x18: 0000000000000001 [ 110.310471][ T5245] x17: 0000000000000000 x16: ffff8000111bc798 x15: 00000000ffffffff [ 110.312636][ T5245] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 110.314760][ T5245] x11: 0000000000000000 x10: 0000000000000000 x9 : 8debed821d3d9100 [ 110.317005][ T5245] x8 : 8debed821d3d9100 x7 : 0000000000000001 x6 : 0000000000000001 [ 110.319196][ T5245] x5 : ffff8000212c6e78 x4 : ffff80001424f400 x3 : ffff80000850433c [ 110.321520][ T5245] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 110.323779][ T5245] Call trace: [ 110.324677][ T5245] btrfs_add_link+0x6e8/0xa68 [ 110.325982][ T5245] btrfs_create+0x45c/0x508 [ 110.327195][ T5245] path_openat+0x1144/0x26e4 [ 110.328490][ T5245] do_filp_open+0x164/0x330 [ 110.329713][ T5245] do_sys_openat2+0x128/0x3d8 [ 110.330949][ T5245] __arm64_sys_openat+0x120/0x154 [ 110.332381][ T5245] invoke_syscall+0x98/0x2b8 [ 110.333684][ T5245] el0_svc_common+0x138/0x258 [ 110.334959][ T5245] do_el0_svc+0x58/0x14c [ 110.336117][ T5245] el0_svc+0x78/0x1e0 [ 110.337243][ T5245] el0t_64_sync_handler+0xcc/0xe4 [ 110.338623][ T5245] el0t_64_sync+0x1a0/0x1a4 [ 110.339898][ T5245] irq event stamp: 80012 [ 110.341138][ T5245] hardirqs last enabled at (80011): [] __up_console_sem+0xb4/0x100 [ 110.343952][ T5245] hardirqs last disabled at (80012): [] el1_dbg+0x24/0x80 [ 110.346595][ T5245] softirqs last enabled at (79992): [] handle_softirqs+0xa4c/0xbf0 [ 110.349329][ T5245] softirqs last disabled at (79967): [] __irq_exit_rcu+0x240/0x440 [ 110.351931][ T5245] ---[ end trace fb2ed2b3192da228 ]--- [ 110.356616][ T5245] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 110.359180][ T5245] BTRFS info (device loop0): forced readonly [ 110.651361][ T5267] loop0: detected capacity change from 0 to 32768 [ 110.692762][ T5267] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.30 (5267) [ 110.699896][ T5267] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 110.702284][ T5267] BTRFS info (device loop0): setting nodatacow, compression disabled [ 110.704560][ T5267] BTRFS info (device loop0): setting datacow [ 110.706189][ T5267] BTRFS info (device loop0): doing ref verification [ 110.708091][ T5267] BTRFS info (device loop0): force clearing of disk cache [ 110.710817][ T5267] BTRFS info (device loop0): turning off barriers [ 110.743804][ T5267] FAULT_INJECTION: forcing a failure. [ 110.743804][ T5267] name failslab, interval 1, probability 0, space 0, times 0 [ 110.747197][ T5267] CPU: 0 PID: 5267 Comm: syz.0.30 Tainted: G W 5.15.189-syzkaller #0 [ 110.749741][ T5267] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 110.752578][ T5267] Call trace: [ 110.753445][ T5267] dump_backtrace+0x0/0x43c [ 110.754797][ T5267] show_stack+0x2c/0x3c [ 110.755934][ T5267] __dump_stack+0x30/0x40 [ 110.757141][ T5267] dump_stack_lvl+0xf8/0x160 [ 110.758457][ T5267] dump_stack+0x1c/0x5c [ 110.759634][ T5267] should_fail+0x3c0/0x51c [ 110.760904][ T5267] __should_failslab+0xbc/0x10c [ 110.762181][ T5267] should_failslab+0x10/0x28 [ 110.763517][ T5267] slab_pre_alloc_hook+0x64/0xec [ 110.764860][ T5267] kmem_cache_alloc+0x94/0x3e4 [ 110.766155][ T5267] btrfs_get_or_create_delayed_node+0x128/0x4c8 [ 110.767862][ T5267] btrfs_delayed_update_inode+0x3c/0x1b7c [ 110.769521][ T5267] btrfs_update_inode+0x210/0x3d4 [ 110.770939][ T5267] btrfs_create+0x360/0x508 [ 110.772130][ T5267] path_openat+0x1144/0x26e4 [ 110.773405][ T5267] do_filp_open+0x164/0x330 [ 110.774658][ T5267] do_sys_openat2+0x128/0x3d8 [ 110.776010][ T5267] __arm64_sys_openat+0x120/0x154 [ 110.777473][ T5267] invoke_syscall+0x98/0x2b8 [ 110.778762][ T5267] el0_svc_common+0x138/0x258 [ 110.780054][ T5267] do_el0_svc+0x58/0x14c [ 110.781273][ T5267] el0_svc+0x78/0x1e0 [ 110.782362][ T5267] el0t_64_sync_handler+0xcc/0xe4 [ 110.783707][ T5267] el0t_64_sync+0x1a0/0x1a4 [ 110.838198][ T4498] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 12 /dev/loop0 scanned by udevd (4498) [ 111.055414][ T5289] loop0: detected capacity change from 0 to 32768 [ 111.141637][ T5289] FAULT_INJECTION: forcing a failure. [ 111.141637][ T5289] name failslab, interval 1, probability 0, space 0, times 0 [ 111.145214][ T5289] CPU: 0 PID: 5289 Comm: syz.0.31 Tainted: G W 5.15.189-syzkaller #0 [ 111.147683][ T5289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 111.150515][ T5289] Call trace: [ 111.151429][ T5289] dump_backtrace+0x0/0x43c [ 111.152673][ T5289] show_stack+0x2c/0x3c [ 111.153826][ T5289] __dump_stack+0x30/0x40 [ 111.155007][ T5289] dump_stack_lvl+0xf8/0x160 [ 111.156334][ T5289] dump_stack+0x1c/0x5c [ 111.157429][ T5289] should_fail+0x3c0/0x51c [ 111.158637][ T5289] __should_failslab+0xbc/0x10c [ 111.159965][ T5289] should_failslab+0x10/0x28 [ 111.161192][ T5289] slab_pre_alloc_hook+0x64/0xec [ 111.162564][ T5289] kmem_cache_alloc+0x94/0x3e4 [ 111.163844][ T5289] btrfs_alloc_path+0x5c/0x68 [ 111.165135][ T5289] btrfs_insert_dir_item+0x16c/0x3b8 [ 111.166568][ T5289] btrfs_add_link+0x294/0xa68 [ 111.167877][ T5289] btrfs_create+0x45c/0x508 [ 111.169138][ T5289] path_openat+0x1144/0x26e4 [ 111.170409][ T5289] do_filp_open+0x164/0x330 [ 111.171702][ T5289] do_sys_openat2+0x128/0x3d8 [ 111.172988][ T5289] __arm64_sys_openat+0x120/0x154 [ 111.174439][ T5289] invoke_syscall+0x98/0x2b8 [ 111.175671][ T5289] el0_svc_common+0x138/0x258 [ 111.176935][ T5289] do_el0_svc+0x58/0x14c [ 111.178107][ T5289] el0_svc+0x78/0x1e0 [ 111.179203][ T5289] el0t_64_sync_handler+0xcc/0xe4 [ 111.180674][ T5289] el0t_64_sync+0x1a0/0x1a4 [ 111.182495][ T5289] ------------[ cut here ]------------ [ 111.184146][ T5289] WARNING: CPU: 0 PID: 5289 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 111.186614][ T5289] Modules linked in: [ 111.187696][ T5289] CPU: 0 PID: 5289 Comm: syz.0.31 Tainted: G W 5.15.189-syzkaller #0 [ 111.190269][ T5289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 111.193083][ T5289] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 111.195128][ T5289] pc : btrfs_add_link+0x6e8/0xa68 [ 111.196523][ T5289] lr : btrfs_add_link+0x6e8/0xa68 [ 111.197875][ T5289] sp : ffff800021417580 [ 111.198993][ T5289] x29: ffff800021417680 x28: ffff0000de5080b0 x27: 0000000000000108 [ 111.201175][ T5289] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 111.203366][ T5289] x23: 0000000000000014 x22: 1fffe0001bca1021 x21: ffff700004282eb8 [ 111.205543][ T5289] x20: 00000000fffffff4 x19: ffff0000de508108 x18: 0000000000000001 [ 111.207684][ T5289] x17: 0000000000000000 x16: ffff8000111bc798 x15: 00000000ffffffff [ 111.209889][ T5289] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 111.212058][ T5289] x11: 0000000000000000 x10: 0000000000000000 x9 : 23c94f3ff99c8700 [ 111.214255][ T5289] x8 : 23c94f3ff99c8700 x7 : 0000000000000001 x6 : 0000000000000001 [ 111.216450][ T5289] x5 : ffff800021416e78 x4 : ffff80001424f400 x3 : ffff80000850433c [ 111.218765][ T5289] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 111.220952][ T5289] Call trace: [ 111.221872][ T5289] btrfs_add_link+0x6e8/0xa68 [ 111.223119][ T5289] btrfs_create+0x45c/0x508 [ 111.224320][ T5289] path_openat+0x1144/0x26e4 [ 111.225516][ T5289] do_filp_open+0x164/0x330 [ 111.226721][ T5289] do_sys_openat2+0x128/0x3d8 [ 111.228024][ T5289] __arm64_sys_openat+0x120/0x154 [ 111.229403][ T5289] invoke_syscall+0x98/0x2b8 [ 111.230628][ T5289] el0_svc_common+0x138/0x258 [ 111.231889][ T5289] do_el0_svc+0x58/0x14c [ 111.233030][ T5289] el0_svc+0x78/0x1e0 [ 111.234092][ T5289] el0t_64_sync_handler+0xcc/0xe4 [ 111.235488][ T5289] el0t_64_sync+0x1a0/0x1a4 [ 111.236770][ T5289] irq event stamp: 80070 [ 111.237926][ T5289] hardirqs last enabled at (80069): [] __up_console_sem+0xb4/0x100 [ 111.240569][ T5289] hardirqs last disabled at (80070): [] el1_dbg+0x24/0x80 [ 111.242964][ T5289] softirqs last enabled at (80050): [] handle_softirqs+0xa4c/0xbf0 [ 111.245496][ T5289] softirqs last disabled at (79987): [] __irq_exit_rcu+0x240/0x440 [ 111.248073][ T5289] ---[ end trace fb2ed2b3192da229 ]--- [ 111.249990][ T5289] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 111.515479][ T5311] loop0: detected capacity change from 0 to 32768 [ 111.550838][ T5311] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.32 (5311) [ 111.599238][ T5311] FAULT_INJECTION: forcing a failure. [ 111.599238][ T5311] name failslab, interval 1, probability 0, space 0, times 0 [ 111.602809][ T5311] CPU: 1 PID: 5311 Comm: syz.0.32 Tainted: G W 5.15.189-syzkaller #0 [ 111.605318][ T5311] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 111.608075][ T5311] Call trace: [ 111.608990][ T5311] dump_backtrace+0x0/0x43c [ 111.610318][ T5311] show_stack+0x2c/0x3c [ 111.611518][ T5311] __dump_stack+0x30/0x40 [ 111.612709][ T5311] dump_stack_lvl+0xf8/0x160 [ 111.613949][ T5311] dump_stack+0x1c/0x5c [ 111.615262][ T5311] should_fail+0x3c0/0x51c [ 111.616452][ T5311] __should_failslab+0xbc/0x10c [ 111.617760][ T5311] should_failslab+0x10/0x28 [ 111.619001][ T5311] slab_pre_alloc_hook+0x64/0xec [ 111.620323][ T5311] kmem_cache_alloc+0x94/0x3e4 [ 111.621707][ T5311] btrfs_alloc_path+0x5c/0x68 [ 111.622942][ T5311] btrfs_insert_dir_item+0x16c/0x3b8 [ 111.624456][ T5311] btrfs_add_link+0x294/0xa68 [ 111.625756][ T5311] btrfs_create+0x45c/0x508 [ 111.626973][ T5311] path_openat+0x1144/0x26e4 [ 111.628297][ T5311] do_filp_open+0x164/0x330 [ 111.629539][ T5311] do_sys_openat2+0x128/0x3d8 [ 111.630794][ T5311] __arm64_sys_openat+0x120/0x154 [ 111.632193][ T5311] invoke_syscall+0x98/0x2b8 [ 111.633473][ T5311] el0_svc_common+0x138/0x258 [ 111.634762][ T5311] do_el0_svc+0x58/0x14c [ 111.635887][ T5311] el0_svc+0x78/0x1e0 [ 111.636962][ T5311] el0t_64_sync_handler+0xcc/0xe4 [ 111.638337][ T5311] el0t_64_sync+0x1a0/0x1a4 [ 111.644035][ T5311] ------------[ cut here ]------------ [ 111.645793][ T5311] WARNING: CPU: 1 PID: 5311 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 111.648135][ T5311] Modules linked in: [ 111.649144][ T5311] CPU: 1 PID: 5311 Comm: syz.0.32 Tainted: G W 5.15.189-syzkaller #0 [ 111.651711][ T5311] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 111.654470][ T5311] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 111.656663][ T5311] pc : btrfs_add_link+0x6e8/0xa68 [ 111.657990][ T5311] lr : btrfs_add_link+0x6e8/0xa68 [ 111.659433][ T5311] sp : ffff800021527580 [ 111.660546][ T5311] x29: ffff800021527680 x28: ffff0000de72b9a0 x27: 0000000000000108 [ 111.662771][ T5311] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 111.665050][ T5311] x23: 0000000000000014 x22: 1fffe0001bce573f x21: ffff7000042a4eb8 [ 111.667195][ T5311] x20: 00000000fffffff4 x19: ffff0000de72b9f8 x18: 0000000000000001 [ 111.669448][ T5311] x17: 0000000000000000 x16: ffff8000111bc798 x15: 00000000ffffffff [ 111.671654][ T5311] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 111.673814][ T5311] x11: 0000000000000000 x10: 0000000000000000 x9 : 83417d7686530800 [ 111.676016][ T5311] x8 : 83417d7686530800 x7 : 0000000000000001 x6 : 0000000000000001 [ 111.678158][ T5311] x5 : ffff800021526e78 x4 : ffff80001424f400 x3 : ffff80000850433c [ 111.680406][ T5311] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 111.682571][ T5311] Call trace: [ 111.683469][ T5311] btrfs_add_link+0x6e8/0xa68 [ 111.684743][ T5311] btrfs_create+0x45c/0x508 [ 111.685953][ T5311] path_openat+0x1144/0x26e4 [ 111.687217][ T5311] do_filp_open+0x164/0x330 [ 111.688541][ T5311] do_sys_openat2+0x128/0x3d8 [ 111.689829][ T5311] __arm64_sys_openat+0x120/0x154 [ 111.691248][ T5311] invoke_syscall+0x98/0x2b8 [ 111.692476][ T5311] el0_svc_common+0x138/0x258 [ 111.693759][ T5311] do_el0_svc+0x58/0x14c [ 111.694899][ T5311] el0_svc+0x78/0x1e0 [ 111.696005][ T5311] el0t_64_sync_handler+0xcc/0xe4 [ 111.697455][ T5311] el0t_64_sync+0x1a0/0x1a4 [ 111.698706][ T5311] irq event stamp: 79686 [ 111.699898][ T5311] hardirqs last enabled at (79685): [] __up_console_sem+0xb4/0x100 [ 111.702535][ T5311] hardirqs last disabled at (79686): [] el1_dbg+0x24/0x80 [ 111.704859][ T5311] softirqs last enabled at (79666): [] handle_softirqs+0xa4c/0xbf0 [ 111.707464][ T5311] softirqs last disabled at (79645): [] __irq_exit_rcu+0x240/0x440 [ 111.710034][ T5311] ---[ end trace fb2ed2b3192da22a ]--- [ 111.715005][ T5311] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 112.058454][ T5333] loop0: detected capacity change from 0 to 32768 [ 112.119196][ T5333] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.33 (5333) [ 112.149551][ T5333] FAULT_INJECTION: forcing a failure. [ 112.149551][ T5333] name failslab, interval 1, probability 0, space 0, times 0 [ 112.153113][ T5333] CPU: 1 PID: 5333 Comm: syz.0.33 Tainted: G W 5.15.189-syzkaller #0 [ 112.155653][ T5333] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 112.158344][ T5333] Call trace: [ 112.159204][ T5333] dump_backtrace+0x0/0x43c [ 112.160469][ T5333] show_stack+0x2c/0x3c [ 112.161551][ T5333] __dump_stack+0x30/0x40 [ 112.162780][ T5333] dump_stack_lvl+0xf8/0x160 [ 112.164028][ T5333] dump_stack+0x1c/0x5c [ 112.165132][ T5333] should_fail+0x3c0/0x51c [ 112.166404][ T5333] __should_failslab+0xbc/0x10c [ 112.167732][ T5333] should_failslab+0x10/0x28 [ 112.168955][ T5333] slab_pre_alloc_hook+0x64/0xec [ 112.170255][ T5333] kmem_cache_alloc+0x94/0x3e4 [ 112.171626][ T5333] btrfs_get_or_create_delayed_node+0x128/0x4c8 [ 112.173511][ T5333] btrfs_delayed_update_inode+0x3c/0x1b7c [ 112.175104][ T5333] btrfs_update_inode+0x210/0x3d4 [ 112.176570][ T5333] btrfs_create+0x360/0x508 [ 112.177844][ T5333] path_openat+0x1144/0x26e4 [ 112.179211][ T5333] do_filp_open+0x164/0x330 [ 112.180491][ T5333] do_sys_openat2+0x128/0x3d8 [ 112.181825][ T5333] __arm64_sys_openat+0x120/0x154 [ 112.183212][ T5333] invoke_syscall+0x98/0x2b8 [ 112.184486][ T5333] el0_svc_common+0x138/0x258 [ 112.185699][ T5333] do_el0_svc+0x58/0x14c [ 112.186863][ T5333] el0_svc+0x78/0x1e0 [ 112.187879][ T5333] el0t_64_sync_handler+0xcc/0xe4 [ 112.189253][ T5333] el0t_64_sync+0x1a0/0x1a4 [ 112.531816][ T5354] loop0: detected capacity change from 0 to 32768 [ 112.580854][ T5354] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.34 (5354) [ 112.657511][ T5354] FAULT_INJECTION: forcing a failure. [ 112.657511][ T5354] name failslab, interval 1, probability 0, space 0, times 0 [ 112.661376][ T5354] CPU: 0 PID: 5354 Comm: syz.0.34 Tainted: G W 5.15.189-syzkaller #0 [ 112.663904][ T5354] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 112.666630][ T5354] Call trace: [ 112.667540][ T5354] dump_backtrace+0x0/0x43c [ 112.668812][ T5354] show_stack+0x2c/0x3c [ 112.670036][ T5354] __dump_stack+0x30/0x40 [ 112.671244][ T5354] dump_stack_lvl+0xf8/0x160 [ 112.672453][ T5354] dump_stack+0x1c/0x5c [ 112.673675][ T5354] should_fail+0x3c0/0x51c [ 112.674874][ T5354] __should_failslab+0xbc/0x10c [ 112.676172][ T5354] should_failslab+0x10/0x28 [ 112.677496][ T5354] slab_pre_alloc_hook+0x64/0xec [ 112.678845][ T5354] kmem_cache_alloc+0x94/0x3e4 [ 112.680115][ T5354] btrfs_alloc_path+0x5c/0x68 [ 112.681399][ T5354] btrfs_insert_dir_item+0x16c/0x3b8 [ 112.682885][ T5354] btrfs_add_link+0x294/0xa68 [ 112.684176][ T5354] btrfs_create+0x45c/0x508 [ 112.685476][ T5354] path_openat+0x1144/0x26e4 [ 112.686753][ T5354] do_filp_open+0x164/0x330 [ 112.687998][ T5354] do_sys_openat2+0x128/0x3d8 [ 112.689294][ T5354] __arm64_sys_openat+0x120/0x154 [ 112.690679][ T5354] invoke_syscall+0x98/0x2b8 [ 112.691968][ T5354] el0_svc_common+0x138/0x258 [ 112.693287][ T5354] do_el0_svc+0x58/0x14c [ 112.694476][ T5354] el0_svc+0x78/0x1e0 [ 112.695538][ T5354] el0t_64_sync_handler+0xcc/0xe4 [ 112.696928][ T5354] el0t_64_sync+0x1a0/0x1a4 [ 112.699800][ T5354] ------------[ cut here ]------------ [ 112.701663][ T5354] WARNING: CPU: 1 PID: 5354 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 112.704151][ T5354] Modules linked in: [ 112.705196][ T5354] CPU: 1 PID: 5354 Comm: syz.0.34 Tainted: G W 5.15.189-syzkaller #0 [ 112.707746][ T5354] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 112.710457][ T5354] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 112.712649][ T5354] pc : btrfs_add_link+0x6e8/0xa68 [ 112.714033][ T5354] lr : btrfs_add_link+0x6e8/0xa68 [ 112.715441][ T5354] sp : ffff800021857580 [ 112.716599][ T5354] x29: ffff800021857680 x28: ffff0000de5084d0 x27: 0000000000000108 [ 112.718908][ T5354] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 112.721111][ T5354] x23: 0000000000000014 x22: 1fffe0001bca10a5 x21: ffff70000430aeb8 [ 112.723318][ T5354] x20: 00000000fffffff4 x19: ffff0000de508528 x18: 0000000000000001 [ 112.725568][ T5354] x17: 0000000000000000 x16: ffff8000083020fc x15: 00000000ffffffff [ 112.727788][ T5354] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 112.730004][ T5354] x11: 0000000000000000 x10: 0000000000000000 x9 : 0b3f6fef06d23d00 [ 112.732396][ T5354] x8 : 0b3f6fef06d23d00 x7 : 0000000000000001 x6 : 0000000000000001 [ 112.734674][ T5354] x5 : ffff800021856e78 x4 : ffff80001424f400 x3 : ffff80000830220c [ 112.736904][ T5354] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 112.739088][ T5354] Call trace: [ 112.739994][ T5354] btrfs_add_link+0x6e8/0xa68 [ 112.741436][ T5354] btrfs_create+0x45c/0x508 [ 112.742712][ T5354] path_openat+0x1144/0x26e4 [ 112.743940][ T5354] do_filp_open+0x164/0x330 [ 112.745137][ T5354] do_sys_openat2+0x128/0x3d8 [ 112.746385][ T5354] __arm64_sys_openat+0x120/0x154 [ 112.747755][ T5354] invoke_syscall+0x98/0x2b8 [ 112.749045][ T5354] el0_svc_common+0x138/0x258 [ 112.750320][ T5354] do_el0_svc+0x58/0x14c [ 112.751499][ T5354] el0_svc+0x78/0x1e0 [ 112.752633][ T5354] el0t_64_sync_handler+0xcc/0xe4 [ 112.754064][ T5354] el0t_64_sync+0x1a0/0x1a4 [ 112.755285][ T5354] irq event stamp: 79704 [ 112.756521][ T5354] hardirqs last enabled at (79703): [] __up_console_sem+0xb4/0x100 [ 112.759114][ T5354] hardirqs last disabled at (79704): [] el1_dbg+0x24/0x80 [ 112.761560][ T5354] softirqs last enabled at (79684): [] handle_softirqs+0xa4c/0xbf0 [ 112.764203][ T5354] softirqs last disabled at (79639): [] __irq_exit_rcu+0x240/0x440 [ 112.766848][ T5354] ---[ end trace fb2ed2b3192da22b ]--- [ 112.769713][ T5354] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 112.772174][ T5354] btrfs_printk: 71 callbacks suppressed [ 112.772184][ T5354] BTRFS info (device loop0): forced readonly 1970/01/01 00:01:52 executed programs: 22 [ 113.037850][ T5376] loop0: detected capacity change from 0 to 32768 [ 113.080867][ T5376] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.35 (5376) [ 113.142721][ T5376] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 113.145283][ T5376] BTRFS info (device loop0): setting nodatacow, compression disabled [ 113.147535][ T5376] BTRFS info (device loop0): setting datacow [ 113.150521][ T5376] BTRFS info (device loop0): doing ref verification [ 113.152277][ T5376] BTRFS info (device loop0): force clearing of disk cache [ 113.154150][ T5376] BTRFS info (device loop0): turning off barriers [ 113.155821][ T5376] BTRFS info (device loop0): use zlib compression, level 3 [ 113.157838][ T5376] BTRFS info (device loop0): using free space tree [ 113.159861][ T5376] BTRFS info (device loop0): has skinny extents [ 113.188045][ T5376] BTRFS info (device loop0): clearing free space tree [ 113.190248][ T5376] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 113.193432][ T5376] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 113.198778][ T5376] BTRFS info (device loop0): creating free space tree [ 113.201692][ T5376] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 113.204317][ T5376] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 113.211729][ T5376] FAULT_INJECTION: forcing a failure. [ 113.211729][ T5376] name failslab, interval 1, probability 0, space 0, times 0 [ 113.215301][ T5376] CPU: 1 PID: 5376 Comm: syz.0.35 Tainted: G W 5.15.189-syzkaller #0 [ 113.217865][ T5376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 113.220602][ T5376] Call trace: [ 113.221518][ T5376] dump_backtrace+0x0/0x43c [ 113.222725][ T5376] show_stack+0x2c/0x3c [ 113.223956][ T5376] __dump_stack+0x30/0x40 [ 113.225188][ T5376] dump_stack_lvl+0xf8/0x160 [ 113.226462][ T5376] dump_stack+0x1c/0x5c [ 113.227613][ T5376] should_fail+0x3c0/0x51c [ 113.228846][ T5376] __should_failslab+0xbc/0x10c [ 113.230132][ T5376] should_failslab+0x10/0x28 [ 113.231344][ T5376] slab_pre_alloc_hook+0x64/0xec [ 113.232689][ T5376] kmem_cache_alloc+0x94/0x3e4 [ 113.234022][ T5376] btrfs_alloc_path+0x5c/0x68 [ 113.235390][ T5376] btrfs_insert_dir_item+0x16c/0x3b8 [ 113.236833][ T5376] btrfs_add_link+0x294/0xa68 [ 113.238119][ T5376] btrfs_create+0x45c/0x508 [ 113.239375][ T5376] path_openat+0x1144/0x26e4 [ 113.240579][ T5376] do_filp_open+0x164/0x330 [ 113.241864][ T5376] do_sys_openat2+0x128/0x3d8 [ 113.243227][ T5376] __arm64_sys_openat+0x120/0x154 [ 113.244538][ T5376] invoke_syscall+0x98/0x2b8 [ 113.245811][ T5376] el0_svc_common+0x138/0x258 [ 113.247082][ T5376] do_el0_svc+0x58/0x14c [ 113.248269][ T5376] el0_svc+0x78/0x1e0 [ 113.249358][ T5376] el0t_64_sync_handler+0xcc/0xe4 [ 113.250750][ T5376] el0t_64_sync+0x1a0/0x1a4 [ 113.255549][ T5376] ------------[ cut here ]------------ [ 113.257258][ T5376] WARNING: CPU: 1 PID: 5376 at fs/btrfs/inode.c:6776 btrfs_add_link+0x6e8/0xa68 [ 113.259695][ T5376] Modules linked in: [ 113.260789][ T5376] CPU: 1 PID: 5376 Comm: syz.0.35 Tainted: G W 5.15.189-syzkaller #0 [ 113.263344][ T5376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 113.266099][ T5376] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 113.268232][ T5376] pc : btrfs_add_link+0x6e8/0xa68 [ 113.269726][ T5376] lr : btrfs_add_link+0x6e8/0xa68 [ 113.271148][ T5376] sp : ffff800021857580 [ 113.272300][ T5376] x29: ffff800021857680 x28: ffff0000de72b160 x27: 0000000000000108 [ 113.274549][ T5376] x26: 00000000fffffff4 x25: 0000000000000000 x24: dfff800000000000 [ 113.276807][ T5376] x23: 0000000000000014 x22: 1fffe0001bce5637 x21: ffff70000430aeb8 [ 113.278951][ T5376] x20: 00000000fffffff4 x19: ffff0000de72b1b8 x18: 0000000000000001 [ 113.281103][ T5376] x17: 0000000000000000 x16: ffff8000111bc798 x15: 00000000ffffffff [ 113.283246][ T5376] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 113.285504][ T5376] x11: 0000000000000000 x10: 0000000000000000 x9 : c49003651a601300 [ 113.287656][ T5376] x8 : c49003651a601300 x7 : 0000000000000001 x6 : 0000000000000001 [ 113.289858][ T5376] x5 : ffff800021856e78 x4 : ffff80001424f400 x3 : ffff80000850433c [ 113.292099][ T5376] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 113.294287][ T5376] Call trace: [ 113.295183][ T5376] btrfs_add_link+0x6e8/0xa68 [ 113.296502][ T5376] btrfs_create+0x45c/0x508 [ 113.297768][ T5376] path_openat+0x1144/0x26e4 [ 113.299027][ T5376] do_filp_open+0x164/0x330 [ 113.300254][ T5376] do_sys_openat2+0x128/0x3d8 [ 113.301549][ T5376] __arm64_sys_openat+0x120/0x154 [ 113.302968][ T5376] invoke_syscall+0x98/0x2b8 [ 113.304209][ T5376] el0_svc_common+0x138/0x258 [ 113.305562][ T5376] do_el0_svc+0x58/0x14c [ 113.306692][ T5376] el0_svc+0x78/0x1e0 [ 113.307803][ T5376] el0t_64_sync_handler+0xcc/0xe4 [ 113.309092][ T5376] el0t_64_sync+0x1a0/0x1a4 [ 113.310354][ T5376] irq event stamp: 79852 [ 113.311548][ T5376] hardirqs last enabled at (79851): [] __up_console_sem+0xb4/0x100 [ 113.314222][ T5376] hardirqs last disabled at (79852): [] el1_dbg+0x24/0x80 [ 113.316525][ T5376] softirqs last enabled at (79832): [] handle_softirqs+0xa4c/0xbf0 [ 113.319072][ T5376] softirqs last disabled at (79817): [] __irq_exit_rcu+0x240/0x440 [ 113.321789][ T5376] ---[ end trace fb2ed2b3192da22c ]--- [ 113.326539][ T5376] BTRFS: error (device loop0) in btrfs_add_link:6776: errno=-12 Out of memory [ 113.329128][ T5376] BTRFS info (device loop0): forced readonly