Warning: Permanently added '10.128.10.45' (ED25519) to the list of known hosts. 1970/01/01 00:01:26 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:01:26 ignoring optional flag "type"="gce" 1970/01/01 00:01:27 parsed 1 programs [ 89.795690][ T4419] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 98.126513][ T4452] chnl_net:caif_netlink_parms(): no params data found [ 98.163115][ T4452] bridge0: port 1(bridge_slave_0) entered blocking state [ 98.165303][ T4452] bridge0: port 1(bridge_slave_0) entered disabled state [ 98.168162][ T4452] device bridge_slave_0 entered promiscuous mode [ 98.172351][ T4452] bridge0: port 2(bridge_slave_1) entered blocking state [ 98.174367][ T4452] bridge0: port 2(bridge_slave_1) entered disabled state [ 98.177206][ T4452] device bridge_slave_1 entered promiscuous mode [ 98.191893][ T4452] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 98.196601][ T4452] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 98.215038][ T4452] team0: Port device team_slave_0 added [ 98.218357][ T4452] team0: Port device team_slave_1 added [ 98.230983][ T4452] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 98.232885][ T4452] 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. [ 98.241029][ T4452] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 98.246890][ T4452] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 98.248883][ T4452] 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. [ 98.256537][ T4452] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 98.317688][ T4452] device hsr_slave_0 entered promiscuous mode [ 98.366203][ T4452] device hsr_slave_1 entered promiscuous mode [ 99.140156][ T4452] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 99.181419][ T4452] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 99.227627][ T4452] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 99.258411][ T4452] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 99.380875][ T4452] 8021q: adding VLAN 0 to HW filter on device bond0 [ 99.388280][ T1634] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 99.391082][ T1634] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 99.401962][ T4452] 8021q: adding VLAN 0 to HW filter on device team0 [ 99.409873][ T1634] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 99.412748][ T1634] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 99.415338][ T1634] bridge0: port 1(bridge_slave_0) entered blocking state [ 99.417350][ T1634] bridge0: port 1(bridge_slave_0) entered forwarding state [ 99.437917][ T1634] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 99.450270][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 99.452966][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 99.455598][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 99.457613][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 99.483315][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 99.487926][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 99.491262][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 99.499647][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 99.502592][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 99.505680][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 99.518993][ T4452] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 99.521822][ T4452] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 99.525529][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 99.529865][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 99.532606][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 99.537643][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 99.540390][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 99.543019][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 99.668215][ T4452] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 99.671481][ T1634] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 99.673661][ T1634] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 99.685467][ T1634] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 99.689378][ T1634] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 99.704660][ T1634] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 99.709054][ T1634] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 99.711874][ T1634] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 99.715352][ T1634] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 99.721103][ T4452] device veth0_vlan entered promiscuous mode [ 99.731170][ T4452] device veth1_vlan entered promiscuous mode [ 99.749372][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 99.751954][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 99.757684][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 99.763099][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 99.770175][ T4452] device veth0_macvtap entered promiscuous mode [ 99.774427][ T4452] device veth1_macvtap entered promiscuous mode [ 99.797618][ T4452] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 99.799905][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 99.802498][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 99.805113][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 99.817539][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 99.828998][ T4452] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 99.831151][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 99.833969][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 99.849136][ T4452] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 99.851739][ T4452] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 99.854266][ T4452] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 99.857986][ T4452] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 100.062603][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 100.064962][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 100.069698][ T1634] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 100.082697][ T1634] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 100.084910][ T1634] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 100.088667][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:01:40 executed programs: 0 [ 101.209535][ T4636] chnl_net:caif_netlink_parms(): no params data found [ 101.247761][ T4636] bridge0: port 1(bridge_slave_0) entered blocking state [ 101.249820][ T4636] bridge0: port 1(bridge_slave_0) entered disabled state [ 101.252387][ T4636] device bridge_slave_0 entered promiscuous mode [ 101.256568][ T4636] bridge0: port 2(bridge_slave_1) entered blocking state [ 101.258508][ T4636] bridge0: port 2(bridge_slave_1) entered disabled state [ 101.261091][ T4636] device bridge_slave_1 entered promiscuous mode [ 101.302962][ T4636] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 101.308706][ T4636] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 101.329365][ T4636] team0: Port device team_slave_0 added [ 101.333580][ T4636] team0: Port device team_slave_1 added [ 101.348824][ T4636] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 101.350814][ T4636] 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. [ 101.358450][ T4636] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 101.362549][ T4636] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 101.364393][ T4636] 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. [ 101.371959][ T4636] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 101.428718][ T4636] device hsr_slave_0 entered promiscuous mode [ 101.467423][ T4636] device hsr_slave_1 entered promiscuous mode [ 101.516104][ T4636] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 101.518266][ T4636] Cannot create hsr debugfs directory [ 101.591470][ T4636] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 103.166948][ T4113] Bluetooth: hci0: command 0x0409 tx timeout [ 105.093051][ T4636] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 105.212089][ T4636] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 105.246120][ T4111] Bluetooth: hci0: command 0x041b tx timeout [ 105.264287][ T4636] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 105.444804][ T4636] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 105.479116][ T4636] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 105.518125][ T4636] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 105.558011][ T4636] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 105.644916][ T4636] 8021q: adding VLAN 0 to HW filter on device bond0 [ 105.653206][ T1634] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 105.655695][ T1634] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 105.660592][ T4636] 8021q: adding VLAN 0 to HW filter on device team0 [ 105.666537][ T1634] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 105.669292][ T1634] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 105.671841][ T1634] bridge0: port 1(bridge_slave_0) entered blocking state [ 105.673792][ T1634] bridge0: port 1(bridge_slave_0) entered forwarding state [ 105.678778][ T1634] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 105.712533][ T1634] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 105.715171][ T1634] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 105.717886][ T1634] bridge0: port 2(bridge_slave_1) entered blocking state [ 105.719800][ T1634] bridge0: port 2(bridge_slave_1) entered forwarding state [ 105.725159][ T1634] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 105.730855][ T1634] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 105.736160][ T1634] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 105.739075][ T1634] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 105.741834][ T1634] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 105.748870][ T542] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 105.751675][ T542] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 105.787547][ T1634] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 105.790347][ T1634] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 105.795102][ T542] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 105.798421][ T542] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 105.802689][ T4636] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 105.875197][ T542] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 105.877557][ T542] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 105.884216][ T4636] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 105.916207][ T542] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 105.919154][ T542] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 105.931743][ T542] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 105.934453][ T542] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 105.939573][ T542] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 105.942019][ T542] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 105.947437][ T4636] device veth0_vlan entered promiscuous mode [ 105.953769][ T4636] device veth1_vlan entered promiscuous mode [ 105.968176][ T542] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 105.970774][ T542] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 105.973391][ T542] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 105.976951][ T542] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 105.981791][ T4636] device veth0_macvtap entered promiscuous mode [ 105.986564][ T4636] device veth1_macvtap entered promiscuous mode [ 105.999916][ T4636] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 106.002932][ T4636] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 106.006742][ T4636] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 106.009536][ T542] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 106.012149][ T542] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 106.014600][ T542] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 106.018556][ T542] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 106.022267][ T4636] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 106.025013][ T4636] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 106.029283][ T4636] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 106.031364][ T542] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 106.034577][ T542] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 106.039570][ T4636] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 106.041985][ T4636] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 106.044428][ T4636] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 106.047744][ T4636] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 106.083794][ T542] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 106.087024][ T542] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 106.091038][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 106.102911][ T542] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 106.105137][ T542] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 106.109264][ T542] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:01:46 executed programs: 2 [ 106.345909][ T4854] loop0: detected capacity change from 0 to 32768 [ 106.354731][ T4854] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.15 (4854) [ 106.370471][ T4854] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 106.373046][ T4854] BTRFS info (device loop0): using free space tree [ 106.374812][ T4854] BTRFS info (device loop0): has skinny extents [ 106.398743][ T4854] BTRFS info (device loop0): enabling ssd optimizations [ 106.422167][ T4854] FAULT_INJECTION: forcing a failure. [ 106.422167][ T4854] name failslab, interval 1, probability 0, space 0, times 1 [ 106.426445][ T4854] CPU: 0 PID: 4854 Comm: syz.0.15 Not tainted 5.15.181-syzkaller #0 [ 106.428569][ T4854] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 106.431269][ T4854] Call trace: [ 106.432130][ T4854] dump_backtrace+0x0/0x43c [ 106.433361][ T4854] show_stack+0x2c/0x3c [ 106.434532][ T4854] __dump_stack+0x30/0x40 [ 106.435675][ T4854] dump_stack_lvl+0xf8/0x160 [ 106.436933][ T4854] dump_stack+0x1c/0x5c [ 106.438084][ T4854] should_fail+0x3c0/0x51c [ 106.439343][ T4854] __should_failslab+0xbc/0x10c [ 106.440645][ T4854] should_failslab+0x10/0x28 [ 106.441941][ T4854] slab_pre_alloc_hook+0x64/0xec [ 106.443282][ T4854] kmem_cache_alloc_trace+0x98/0x3fc [ 106.444696][ T4854] btrfs_delete_delayed_dir_index+0x220/0x550 [ 106.446372][ T4854] __btrfs_unlink_inode+0x34c/0xb00 [ 106.447837][ T4854] btrfs_unlink+0x108/0x258 [ 106.449146][ T4854] vfs_unlink+0x2e0/0x4f4 [ 106.450343][ T4854] do_unlinkat+0x31c/0x600 [ 106.451599][ T4854] __arm64_sys_unlinkat+0xe0/0xfc [ 106.453145][ T4854] invoke_syscall+0x98/0x2b8 [ 106.454436][ T4854] el0_svc_common+0x138/0x258 [ 106.455737][ T4854] do_el0_svc+0x58/0x14c [ 106.456858][ T4854] el0_svc+0x78/0x1e0 [ 106.457976][ T4854] el0t_64_sync_handler+0xcc/0xe4 [ 106.459360][ T4854] el0t_64_sync+0x1a0/0x1a4 [ 106.464405][ T4854] ------------[ cut here ]------------ [ 106.466464][ T4854] WARNING: CPU: 0 PID: 4854 at fs/btrfs/inode.c:4167 __btrfs_unlink_inode+0x908/0xb00 [ 106.469151][ T4854] Modules linked in: [ 106.470264][ T4854] CPU: 0 PID: 4854 Comm: syz.0.15 Not tainted 5.15.181-syzkaller #0 [ 106.472541][ T4854] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 106.475321][ T4854] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 106.477464][ T4854] pc : __btrfs_unlink_inode+0x908/0xb00 [ 106.479011][ T4854] lr : __btrfs_unlink_inode+0x908/0xb00 [ 106.480573][ T4854] sp : ffff80001b987a60 [ 106.481685][ T4854] x29: ffff80001b987b10 x28: ffff0000d5660000 x27: ffff0000eb880010 [ 106.483922][ T4854] x26: 0000000000000100 x25: 00000000fffffff4 x24: ffff0000cad3e420 [ 106.486181][ T4854] x23: 1ffff00003730f54 x22: dfff800000000000 x21: ffff0000e17089d0 [ 106.488377][ T4854] x20: ffff0000ddda9108 x19: 1fffe0001bbb5221 x18: 0000000000000001 [ 106.490569][ T4854] x17: 0000000000000000 x16: ffff8000111a3970 x15: 00000000ffffffff [ 106.492747][ T4854] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 106.494952][ T4854] x11: 0000000000000000 x10: 0000000000000000 x9 : c8665296e5191600 [ 106.497186][ T4854] x8 : c8665296e5191600 x7 : 0000000000000001 x6 : 0000000000000001 [ 106.499372][ T4854] x5 : ffff80001b987358 x4 : ffff80001422f280 x3 : ffff800008503848 [ 106.501561][ T4854] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 106.503714][ T4854] Call trace: [ 106.504601][ T4854] __btrfs_unlink_inode+0x908/0xb00 [ 106.506014][ T4854] btrfs_unlink+0x108/0x258 [ 106.507277][ T4854] vfs_unlink+0x2e0/0x4f4 [ 106.508447][ T4854] do_unlinkat+0x31c/0x600 [ 106.509637][ T4854] __arm64_sys_unlinkat+0xe0/0xfc [ 106.510976][ T4854] invoke_syscall+0x98/0x2b8 [ 106.512256][ T4854] el0_svc_common+0x138/0x258 [ 106.513519][ T4854] do_el0_svc+0x58/0x14c [ 106.514698][ T4854] el0_svc+0x78/0x1e0 [ 106.515820][ T4854] el0t_64_sync_handler+0xcc/0xe4 [ 106.517239][ T4854] el0t_64_sync+0x1a0/0x1a4 [ 106.518467][ T4854] irq event stamp: 82990 [ 106.519611][ T4854] hardirqs last enabled at (82989): [] __up_console_sem+0xb4/0x100 [ 106.522208][ T4854] hardirqs last disabled at (82990): [] el1_dbg+0x24/0x80 [ 106.524580][ T4854] softirqs last enabled at (82980): [] handle_softirqs+0xa4c/0xbf0 [ 106.527175][ T4854] softirqs last disabled at (82911): [] __irq_exit_rcu+0x240/0x440 [ 106.529748][ T4854] ---[ end trace 46cfa338bbe4cbbe ]--- [ 106.533139][ T4854] BTRFS: error (device loop0) in __btrfs_unlink_inode:4167: errno=-12 Out of memory [ 106.535659][ T4854] BTRFS info (device loop0): forced readonly [ 106.970397][ T4875] loop0: detected capacity change from 0 to 32768 [ 107.034136][ T4875] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.16 (4875) [ 107.044549][ T4875] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 107.047311][ T4875] BTRFS info (device loop0): using free space tree [ 107.049054][ T4875] BTRFS info (device loop0): has skinny extents [ 107.065671][ T4875] BTRFS info (device loop0): enabling ssd optimizations [ 107.074649][ T4875] FAULT_INJECTION: forcing a failure. [ 107.074649][ T4875] name failslab, interval 1, probability 0, space 0, times 0 [ 107.081659][ T4875] CPU: 0 PID: 4875 Comm: syz.0.16 Tainted: G W 5.15.181-syzkaller #0 [ 107.084194][ T4875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 107.086935][ T4875] Call trace: [ 107.087856][ T4875] dump_backtrace+0x0/0x43c [ 107.089165][ T4875] show_stack+0x2c/0x3c [ 107.090292][ T4875] __dump_stack+0x30/0x40 [ 107.091509][ T4875] dump_stack_lvl+0xf8/0x160 [ 107.092785][ T4875] dump_stack+0x1c/0x5c [ 107.093915][ T4875] should_fail+0x3c0/0x51c [ 107.095097][ T4875] __should_failslab+0xbc/0x10c [ 107.096444][ T4875] should_failslab+0x10/0x28 [ 107.097728][ T4875] slab_pre_alloc_hook+0x64/0xec [ 107.099049][ T4875] kmem_cache_alloc_trace+0x98/0x3fc [ 107.100509][ T4875] btrfs_delete_delayed_dir_index+0x220/0x550 [ 107.102252][ T4875] __btrfs_unlink_inode+0x34c/0xb00 [ 107.103651][ T4875] btrfs_unlink+0x108/0x258 [ 107.104856][ T4875] vfs_unlink+0x2e0/0x4f4 [ 107.106022][ T4875] do_unlinkat+0x31c/0x600 [ 107.107289][ T4875] __arm64_sys_unlinkat+0xe0/0xfc [ 107.108673][ T4875] invoke_syscall+0x98/0x2b8 [ 107.109895][ T4875] el0_svc_common+0x138/0x258 [ 107.111193][ T4875] do_el0_svc+0x58/0x14c [ 107.112450][ T4875] el0_svc+0x78/0x1e0 [ 107.113525][ T4875] el0t_64_sync_handler+0xcc/0xe4 [ 107.114921][ T4875] el0t_64_sync+0x1a0/0x1a4 [ 107.121752][ T4875] ------------[ cut here ]------------ [ 107.123607][ T4875] WARNING: CPU: 0 PID: 4875 at fs/btrfs/inode.c:4167 __btrfs_unlink_inode+0x908/0xb00 [ 107.126226][ T4875] Modules linked in: [ 107.127293][ T4875] CPU: 0 PID: 4875 Comm: syz.0.16 Tainted: G W 5.15.181-syzkaller #0 [ 107.129941][ T4875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 107.132660][ T4875] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 107.134810][ T4875] pc : __btrfs_unlink_inode+0x908/0xb00 [ 107.136372][ T4875] lr : __btrfs_unlink_inode+0x908/0xb00 [ 107.137929][ T4875] sp : ffff80001f4c7a60 [ 107.139125][ T4875] x29: ffff80001f4c7b10 x28: ffff0000dc22c000 x27: ffff0000eb880410 [ 107.141349][ T4875] x26: 0000000000000100 x25: 00000000fffffff4 x24: ffff0000c8622580 [ 107.143508][ T4875] x23: 1ffff00003e98f54 x22: dfff800000000000 x21: ffff0000e170a740 [ 107.145744][ T4875] x20: ffff0000ddda9268 x19: 1fffe0001bbb524d x18: 0000000000000001 [ 107.147932][ T4875] x17: 0000000000000000 x16: ffff8000111a3970 x15: 00000000ffffffff [ 107.150158][ T4875] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 107.152394][ T4875] x11: 0000000000000000 x10: 0000000000000000 x9 : bf65512fdca7ba00 [ 107.154542][ T4875] x8 : bf65512fdca7ba00 x7 : 0000000000000001 x6 : 0000000000000001 [ 107.156780][ T4875] x5 : ffff80001f4c7358 x4 : ffff80001422f280 x3 : ffff800008503848 [ 107.158992][ T4875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 107.161250][ T4875] Call trace: [ 107.162133][ T4875] __btrfs_unlink_inode+0x908/0xb00 [ 107.163600][ T4875] btrfs_unlink+0x108/0x258 [ 107.164905][ T4875] vfs_unlink+0x2e0/0x4f4 [ 107.166080][ T4875] do_unlinkat+0x31c/0x600 [ 107.167331][ T4875] __arm64_sys_unlinkat+0xe0/0xfc [ 107.168709][ T4875] invoke_syscall+0x98/0x2b8 [ 107.169968][ T4875] el0_svc_common+0x138/0x258 [ 107.171298][ T4875] do_el0_svc+0x58/0x14c [ 107.172452][ T4875] el0_svc+0x78/0x1e0 [ 107.173529][ T4875] el0t_64_sync_handler+0xcc/0xe4 [ 107.174981][ T4875] el0t_64_sync+0x1a0/0x1a4 [ 107.176239][ T4875] irq event stamp: 82170 [ 107.177405][ T4875] hardirqs last enabled at (82169): [] __up_console_sem+0xb4/0x100 [ 107.180081][ T4875] hardirqs last disabled at (82170): [] el1_dbg+0x24/0x80 [ 107.182525][ T4875] softirqs last enabled at (82150): [] handle_softirqs+0xa4c/0xbf0 [ 107.185212][ T4875] softirqs last disabled at (82009): [] __irq_exit_rcu+0x240/0x440 [ 107.187827][ T4875] ---[ end trace 46cfa338bbe4cbbf ]--- [ 107.194255][ T4875] BTRFS: error (device loop0) in __btrfs_unlink_inode:4167: errno=-12 Out of memory [ 107.197189][ T4875] BTRFS info (device loop0): forced readonly [ 107.326263][ T13] Bluetooth: hci0: command 0x040f tx timeout [ 107.561195][ T4897] loop0: detected capacity change from 0 to 32768 [ 107.606172][ T4897] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.17 (4897) [ 107.614529][ T4897] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 107.617683][ T4897] BTRFS info (device loop0): using free space tree [ 107.619508][ T4897] BTRFS info (device loop0): has skinny extents [ 107.639435][ T4897] BTRFS info (device loop0): enabling ssd optimizations [ 107.657196][ T4897] FAULT_INJECTION: forcing a failure. [ 107.657196][ T4897] name failslab, interval 1, probability 0, space 0, times 0 [ 107.660830][ T4897] CPU: 1 PID: 4897 Comm: syz.0.17 Tainted: G W 5.15.181-syzkaller #0 [ 107.663361][ T4897] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 107.666041][ T4897] Call trace: [ 107.666961][ T4897] dump_backtrace+0x0/0x43c [ 107.668225][ T4897] show_stack+0x2c/0x3c [ 107.669348][ T4897] __dump_stack+0x30/0x40 [ 107.670555][ T4897] dump_stack_lvl+0xf8/0x160 [ 107.671790][ T4897] dump_stack+0x1c/0x5c [ 107.672891][ T4897] should_fail+0x3c0/0x51c [ 107.674124][ T4897] __should_failslab+0xbc/0x10c [ 107.675453][ T4897] should_failslab+0x10/0x28 [ 107.676718][ T4897] slab_pre_alloc_hook+0x64/0xec [ 107.678054][ T4897] kmem_cache_alloc+0x94/0x3e4 [ 107.679405][ T4897] btrfs_alloc_path+0x5c/0x68 [ 107.680691][ T4897] __btrfs_unlink_inode+0x1d8/0xb00 [ 107.682166][ T4897] btrfs_unlink+0x108/0x258 [ 107.683373][ T4897] vfs_unlink+0x2e0/0x4f4 [ 107.684579][ T4897] do_unlinkat+0x31c/0x600 [ 107.685853][ T4897] __arm64_sys_unlinkat+0xe0/0xfc [ 107.687249][ T4897] invoke_syscall+0x98/0x2b8 [ 107.688529][ T4897] el0_svc_common+0x138/0x258 [ 107.689846][ T4897] do_el0_svc+0x58/0x14c [ 107.690962][ T4897] el0_svc+0x78/0x1e0 [ 107.692082][ T4897] el0t_64_sync_handler+0xcc/0xe4 [ 107.693432][ T4897] el0t_64_sync+0x1a0/0x1a4 [ 108.000135][ T4919] loop0: detected capacity change from 0 to 32768 [ 108.045359][ T4919] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.18 (4919) [ 108.052996][ T4919] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 108.055527][ T4919] BTRFS info (device loop0): using free space tree [ 108.057838][ T4919] BTRFS info (device loop0): has skinny extents [ 108.076558][ T4919] BTRFS info (device loop0): enabling ssd optimizations [ 108.084123][ T4919] FAULT_INJECTION: forcing a failure. [ 108.084123][ T4919] name failslab, interval 1, probability 0, space 0, times 0 [ 108.087890][ T4919] CPU: 0 PID: 4919 Comm: syz.0.18 Tainted: G W 5.15.181-syzkaller #0 [ 108.090551][ T4919] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 108.093429][ T4919] Call trace: [ 108.094304][ T4919] dump_backtrace+0x0/0x43c [ 108.095621][ T4919] show_stack+0x2c/0x3c [ 108.096739][ T4919] __dump_stack+0x30/0x40 [ 108.097880][ T4919] dump_stack_lvl+0xf8/0x160 [ 108.099170][ T4919] dump_stack+0x1c/0x5c [ 108.100327][ T4919] should_fail+0x3c0/0x51c [ 108.101537][ T4919] __should_failslab+0xbc/0x10c [ 108.102869][ T4919] should_failslab+0x10/0x28 [ 108.104207][ T4919] slab_pre_alloc_hook+0x64/0xec [ 108.105499][ T4919] kmem_cache_alloc_trace+0x98/0x3fc [ 108.106982][ T4919] btrfs_delete_delayed_dir_index+0x220/0x550 [ 108.108631][ T4919] __btrfs_unlink_inode+0x34c/0xb00 [ 108.110007][ T4919] btrfs_unlink+0x108/0x258 [ 108.111233][ T4919] vfs_unlink+0x2e0/0x4f4 [ 108.112406][ T4919] do_unlinkat+0x31c/0x600 [ 108.113602][ T4919] __arm64_sys_unlinkat+0xe0/0xfc [ 108.114967][ T4919] invoke_syscall+0x98/0x2b8 [ 108.116183][ T4919] el0_svc_common+0x138/0x258 [ 108.117470][ T4919] do_el0_svc+0x58/0x14c [ 108.118633][ T4919] el0_svc+0x78/0x1e0 [ 108.119692][ T4919] el0t_64_sync_handler+0xcc/0xe4 [ 108.121067][ T4919] el0t_64_sync+0x1a0/0x1a4 [ 108.123479][ T4919] ------------[ cut here ]------------ [ 108.125186][ T4919] WARNING: CPU: 0 PID: 4919 at fs/btrfs/inode.c:4167 __btrfs_unlink_inode+0x908/0xb00 [ 108.127736][ T4919] Modules linked in: [ 108.128775][ T4919] CPU: 0 PID: 4919 Comm: syz.0.18 Tainted: G W 5.15.181-syzkaller #0 [ 108.131294][ T4919] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 108.133976][ T4919] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 108.136155][ T4919] pc : __btrfs_unlink_inode+0x908/0xb00 [ 108.137697][ T4919] lr : __btrfs_unlink_inode+0x908/0xb00 [ 108.139212][ T4919] sp : ffff80001f8c7a60 [ 108.140373][ T4919] x29: ffff80001f8c7b10 x28: ffff0000d1c3a000 x27: ffff0000eb880c10 [ 108.142517][ T4919] x26: 0000000000000100 x25: 00000000fffffff4 x24: ffff0000c96e3370 [ 108.144699][ T4919] x23: 1ffff00003f18f54 x22: dfff800000000000 x21: ffff0000e170ebf0 [ 108.146829][ T4919] x20: ffff0000ddda95d8 x19: 1fffe0001bbb52bb x18: 0000000000000001 [ 108.149004][ T4919] x17: 0000000000000000 x16: ffff8000083007d8 x15: 00000000ffffffff [ 108.151212][ T4919] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 108.153391][ T4919] x11: 0000000000000000 x10: 0000000000000000 x9 : 78543328404b5e00 [ 108.155571][ T4919] x8 : 78543328404b5e00 x7 : 0000000000000001 x6 : 0000000000000001 [ 108.157724][ T4919] x5 : ffff80001f8c7358 x4 : ffff80001422f280 x3 : ffff8000083008e8 [ 108.159963][ T4919] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 108.162280][ T4919] Call trace: [ 108.163146][ T4919] __btrfs_unlink_inode+0x908/0xb00 [ 108.164578][ T4919] btrfs_unlink+0x108/0x258 [ 108.165788][ T4919] vfs_unlink+0x2e0/0x4f4 [ 108.166943][ T4919] do_unlinkat+0x31c/0x600 [ 108.168162][ T4919] __arm64_sys_unlinkat+0xe0/0xfc [ 108.169553][ T4919] invoke_syscall+0x98/0x2b8 [ 108.170811][ T4919] el0_svc_common+0x138/0x258 [ 108.172047][ T4919] do_el0_svc+0x58/0x14c [ 108.173295][ T4919] el0_svc+0x78/0x1e0 [ 108.174421][ T4919] el0t_64_sync_handler+0xcc/0xe4 [ 108.175823][ T4919] el0t_64_sync+0x1a0/0x1a4 [ 108.177083][ T4919] irq event stamp: 81086 [ 108.178288][ T4919] hardirqs last enabled at (81085): [] __up_console_sem+0xb4/0x100 [ 108.180959][ T4919] hardirqs last disabled at (81086): [] el1_dbg+0x24/0x80 [ 108.183440][ T4919] softirqs last enabled at (81066): [] handle_softirqs+0xa4c/0xbf0 [ 108.186133][ T4919] softirqs last disabled at (80869): [] __irq_exit_rcu+0x240/0x440 [ 108.188747][ T4919] ---[ end trace 46cfa338bbe4cbc0 ]--- [ 108.192865][ T4919] BTRFS: error (device loop0) in __btrfs_unlink_inode:4167: errno=-12 Out of memory [ 108.195578][ T4919] BTRFS info (device loop0): forced readonly [ 108.468259][ T4941] loop0: detected capacity change from 0 to 32768 [ 108.522932][ T4941] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.19 (4941) [ 108.539255][ T9] device hsr_slave_0 left promiscuous mode [ 108.572166][ T4941] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 108.574699][ T4941] BTRFS info (device loop0): using free space tree [ 108.576859][ T4941] BTRFS info (device loop0): has skinny extents [ 108.586728][ T9] device hsr_slave_1 left promiscuous mode [ 108.599260][ T4941] BTRFS info (device loop0): enabling ssd optimizations [ 108.608409][ T4941] FAULT_INJECTION: forcing a failure. [ 108.608409][ T4941] name failslab, interval 1, probability 0, space 0, times 0 [ 108.612270][ T4941] CPU: 0 PID: 4941 Comm: syz.0.19 Tainted: G W 5.15.181-syzkaller #0 [ 108.614887][ T4941] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 108.617780][ T4941] Call trace: [ 108.618713][ T4941] dump_backtrace+0x0/0x43c [ 108.619966][ T4941] show_stack+0x2c/0x3c [ 108.621162][ T4941] __dump_stack+0x30/0x40 [ 108.622398][ T4941] dump_stack_lvl+0xf8/0x160 [ 108.623734][ T4941] dump_stack+0x1c/0x5c [ 108.624880][ T4941] should_fail+0x3c0/0x51c [ 108.626180][ T4941] __should_failslab+0xbc/0x10c [ 108.627557][ T4941] should_failslab+0x10/0x28 [ 108.628885][ T4941] slab_pre_alloc_hook+0x64/0xec [ 108.630289][ T4941] kmem_cache_alloc_trace+0x98/0x3fc [ 108.631790][ T4941] btrfs_delete_delayed_dir_index+0x220/0x550 [ 108.633553][ T4941] __btrfs_unlink_inode+0x34c/0xb00 [ 108.635004][ T4941] btrfs_unlink+0x108/0x258 [ 108.636256][ T4941] vfs_unlink+0x2e0/0x4f4 [ 108.637495][ T4941] do_unlinkat+0x31c/0x600 [ 108.638712][ T4941] __arm64_sys_unlinkat+0xe0/0xfc [ 108.640106][ T4941] invoke_syscall+0x98/0x2b8 [ 108.641434][ T4941] el0_svc_common+0x138/0x258 [ 108.642706][ T4941] do_el0_svc+0x58/0x14c [ 108.643888][ T4941] el0_svc+0x78/0x1e0 [ 108.644990][ T4941] el0t_64_sync_handler+0xcc/0xe4 [ 108.646375][ T4941] el0t_64_sync+0x1a0/0x1a4 [ 108.652945][ T4941] ------------[ cut here ]------------ [ 108.654693][ T4941] WARNING: CPU: 0 PID: 4941 at fs/btrfs/inode.c:4167 __btrfs_unlink_inode+0x908/0xb00 [ 108.657320][ T4941] Modules linked in: [ 108.658403][ T4941] CPU: 0 PID: 4941 Comm: syz.0.19 Tainted: G W 5.15.181-syzkaller #0 [ 108.661008][ T4941] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 108.663745][ T4941] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 108.665882][ T4941] pc : __btrfs_unlink_inode+0x908/0xb00 [ 108.667375][ T4941] lr : __btrfs_unlink_inode+0x908/0xb00 [ 108.668833][ T4941] sp : ffff80001f8c7a60 [ 108.669944][ T4941] x29: ffff80001f8c7b10 x28: ffff0000d1dfe000 x27: ffff0000eb881010 [ 108.672193][ T4941] x26: 0000000000000100 x25: 00000000fffffff4 x24: ffff0000c82ac4d0 [ 108.674393][ T4941] x23: 1ffff00003f18f54 x22: dfff800000000000 x21: ffff0000e17909d0 [ 108.676560][ T4941] x20: ffff0000ddda9738 x19: 1fffe0001bbb52e7 x18: 0000000000000001 [ 108.678781][ T4941] x17: 0000000000000000 x16: ffff8000111a3970 x15: 00000000ffffffff [ 108.681016][ T4941] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 108.683315][ T4941] x11: 0000000000000000 x10: 0000000000000000 x9 : 66064e068f1bc300 [ 108.685486][ T4941] x8 : 66064e068f1bc300 x7 : 0000000000000001 x6 : 0000000000000001 [ 108.687763][ T4941] x5 : ffff80001f8c7358 x4 : ffff80001422f280 x3 : ffff800008503848 [ 108.690134][ T4941] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 108.692332][ T4941] Call trace: [ 108.693231][ T4941] __btrfs_unlink_inode+0x908/0xb00 [ 108.694670][ T4941] btrfs_unlink+0x108/0x258 [ 108.695902][ T4941] vfs_unlink+0x2e0/0x4f4 [ 108.697123][ T4941] do_unlinkat+0x31c/0x600 [ 108.698326][ T4941] __arm64_sys_unlinkat+0xe0/0xfc [ 108.699687][ T4941] invoke_syscall+0x98/0x2b8 [ 108.700935][ T4941] el0_svc_common+0x138/0x258 [ 108.702247][ T4941] do_el0_svc+0x58/0x14c [ 108.703392][ T4941] el0_svc+0x78/0x1e0 [ 108.704485][ T4941] el0t_64_sync_handler+0xcc/0xe4 [ 108.705815][ T4941] el0t_64_sync+0x1a0/0x1a4 [ 108.707063][ T4941] irq event stamp: 82158 [ 108.708219][ T4941] hardirqs last enabled at (82157): [] __up_console_sem+0xb4/0x100 [ 108.710835][ T4941] hardirqs last disabled at (82158): [] el1_dbg+0x24/0x80 [ 108.713266][ T4941] softirqs last enabled at (82138): [] handle_softirqs+0xa4c/0xbf0 [ 108.715907][ T4941] softirqs last disabled at (82103): [] __irq_exit_rcu+0x240/0x440 [ 108.718540][ T4941] ---[ end trace 46cfa338bbe4cbc1 ]--- [ 108.721466][ T4941] BTRFS: error (device loop0) in __btrfs_unlink_inode:4167: errno=-12 Out of memory [ 108.724017][ T4941] BTRFS info (device loop0): forced readonly [ 108.779052][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 108.784691][ T9] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 108.787993][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 108.790138][ T9] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 108.801598][ T9] device bridge_slave_1 left promiscuous mode [ 108.803412][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 108.857501][ T9] device bridge_slave_0 left promiscuous mode [ 108.859444][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 108.986071][ T9] device veth1_macvtap left promiscuous mode [ 108.987859][ T9] device veth0_macvtap left promiscuous mode [ 108.989570][ T9] device veth1_vlan left promiscuous mode [ 108.991277][ T9] device veth0_vlan left promiscuous mode [ 109.030004][ T4964] loop0: detected capacity change from 0 to 32768 [ 109.075501][ T4964] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.20 (4964) [ 109.095197][ T4964] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 109.099444][ T4964] BTRFS info (device loop0): using free space tree [ 109.101317][ T4964] BTRFS info (device loop0): has skinny extents [ 109.163863][ T4964] BTRFS info (device loop0): enabling ssd optimizations [ 109.174083][ T4964] FAULT_INJECTION: forcing a failure. [ 109.174083][ T4964] name failslab, interval 1, probability 0, space 0, times 0 [ 109.178789][ T4964] CPU: 1 PID: 4964 Comm: syz.0.20 Tainted: G W 5.15.181-syzkaller #0 [ 109.181467][ T4964] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 109.184173][ T4964] Call trace: [ 109.185025][ T4964] dump_backtrace+0x0/0x43c [ 109.186260][ T4964] show_stack+0x2c/0x3c [ 109.187448][ T4964] __dump_stack+0x30/0x40 [ 109.188627][ T4964] dump_stack_lvl+0xf8/0x160 [ 109.189866][ T4964] dump_stack+0x1c/0x5c [ 109.190983][ T4964] should_fail+0x3c0/0x51c [ 109.192231][ T4964] __should_failslab+0xbc/0x10c [ 109.193555][ T4964] should_failslab+0x10/0x28 [ 109.194770][ T4964] slab_pre_alloc_hook+0x64/0xec [ 109.196215][ T4964] kmem_cache_alloc_trace+0x98/0x3fc [ 109.197613][ T4964] btrfs_delete_delayed_dir_index+0x220/0x550 [ 109.199245][ T4964] __btrfs_unlink_inode+0x34c/0xb00 [ 109.200676][ T4964] btrfs_unlink+0x108/0x258 [ 109.201964][ T4964] vfs_unlink+0x2e0/0x4f4 [ 109.203171][ T4964] do_unlinkat+0x31c/0x600 [ 109.204420][ T4964] __arm64_sys_unlinkat+0xe0/0xfc [ 109.205795][ T4964] invoke_syscall+0x98/0x2b8 [ 109.207048][ T4964] el0_svc_common+0x138/0x258 [ 109.208319][ T4964] do_el0_svc+0x58/0x14c [ 109.209479][ T4964] el0_svc+0x78/0x1e0 [ 109.210562][ T4964] el0t_64_sync_handler+0xcc/0xe4 [ 109.211943][ T4964] el0t_64_sync+0x1a0/0x1a4 [ 109.216041][ T4964] ------------[ cut here ]------------ [ 109.218322][ T4964] WARNING: CPU: 0 PID: 4964 at fs/btrfs/inode.c:4167 __btrfs_unlink_inode+0x908/0xb00 [ 109.220945][ T4964] Modules linked in: [ 109.221988][ T4964] CPU: 0 PID: 4964 Comm: syz.0.20 Tainted: G W 5.15.181-syzkaller #0 [ 109.224580][ T4964] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 109.227305][ T4964] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 109.229470][ T4964] pc : __btrfs_unlink_inode+0x908/0xb00 [ 109.230969][ T4964] lr : __btrfs_unlink_inode+0x908/0xb00 [ 109.232541][ T4964] sp : ffff80001f907a60 [ 109.233662][ T4964] x29: ffff80001f907b10 x28: ffff0000d7090000 x27: ffff0000eb881410 [ 109.235865][ T4964] x26: 0000000000000100 x25: 00000000fffffff4 x24: ffff0000c93022c0 [ 109.238133][ T4964] x23: 1ffff00003f20f54 x22: dfff800000000000 x21: ffff0000e1791d70 [ 109.240359][ T4964] x20: ffff0000ddda9898 x19: 1fffe0001bbb5313 x18: 0000000000000001 [ 109.242563][ T4964] x17: 0000000000000000 x16: ffff8000111a3970 x15: 00000000ffffffff [ 109.244898][ T4964] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 109.247114][ T4964] x11: 0000000000000000 x10: 0000000000000000 x9 : 4dd966f3c3341500 [ 109.249407][ T4964] x8 : 4dd966f3c3341500 x7 : 0000000000000001 x6 : 0000000000000001 [ 109.251617][ T4964] x5 : ffff80001f907358 x4 : ffff80001422f280 x3 : ffff800008503848 [ 109.253845][ T4964] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 109.256094][ T4964] Call trace: [ 109.257024][ T4964] __btrfs_unlink_inode+0x908/0xb00 [ 109.258454][ T4964] btrfs_unlink+0x108/0x258 [ 109.259684][ T4964] vfs_unlink+0x2e0/0x4f4 [ 109.260907][ T4964] do_unlinkat+0x31c/0x600 [ 109.262143][ T4964] __arm64_sys_unlinkat+0xe0/0xfc [ 109.263488][ T4964] invoke_syscall+0x98/0x2b8 [ 109.264710][ T4964] el0_svc_common+0x138/0x258 [ 109.265946][ T4964] do_el0_svc+0x58/0x14c [ 109.267171][ T4964] el0_svc+0x78/0x1e0 [ 109.268221][ T4964] el0t_64_sync_handler+0xcc/0xe4 [ 109.269614][ T4964] el0t_64_sync+0x1a0/0x1a4 [ 109.270815][ T4964] irq event stamp: 81860 [ 109.271939][ T4964] hardirqs last enabled at (81859): [] __up_console_sem+0xb4/0x100 [ 109.274584][ T4964] hardirqs last disabled at (81860): [] el1_dbg+0x24/0x80 [ 109.276981][ T4964] softirqs last enabled at (81836): [] handle_softirqs+0xa4c/0xbf0 [ 109.279624][ T4964] softirqs last disabled at (81827): [] __irq_exit_rcu+0x240/0x440 [ 109.282233][ T4964] ---[ end trace 46cfa338bbe4cbc2 ]--- [ 109.289348][ T4964] BTRFS: error (device loop0) in __btrfs_unlink_inode:4167: errno=-12 Out of memory [ 109.292227][ T4964] BTRFS info (device loop0): forced readonly [ 109.406257][ T4114] Bluetooth: hci0: command 0x0419 tx timeout [ 109.466420][ T9] team0 (unregistering): Port device team_slave_1 removed [ 109.488182][ T9] team0 (unregistering): Port device team_slave_0 removed [ 109.507359][ T9] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 109.548643][ T9] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 109.609751][ T4986] loop0: detected capacity change from 0 to 32768 [ 109.684321][ T9] bond0 (unregistering): Released all slaves [ 109.686361][ T4986] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.21 (4986) [ 109.706201][ T4986] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 109.708707][ T4986] BTRFS info (device loop0): using free space tree [ 109.711027][ T4986] BTRFS info (device loop0): has skinny extents [ 109.738747][ T4986] BTRFS info (device loop0): enabling ssd optimizations [ 109.747416][ T4986] FAULT_INJECTION: forcing a failure. [ 109.747416][ T4986] name failslab, interval 1, probability 0, space 0, times 0 [ 109.750938][ T4986] CPU: 0 PID: 4986 Comm: syz.0.21 Tainted: G W 5.15.181-syzkaller #0 [ 109.753404][ T4986] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 109.756075][ T4986] Call trace: [ 109.756957][ T4986] dump_backtrace+0x0/0x43c [ 109.758221][ T4986] show_stack+0x2c/0x3c [ 109.759345][ T4986] __dump_stack+0x30/0x40 [ 109.760548][ T4986] dump_stack_lvl+0xf8/0x160 [ 109.761811][ T4986] dump_stack+0x1c/0x5c [ 109.762933][ T4986] should_fail+0x3c0/0x51c [ 109.764191][ T4986] __should_failslab+0xbc/0x10c [ 109.765547][ T4986] should_failslab+0x10/0x28 [ 109.766811][ T4986] slab_pre_alloc_hook+0x64/0xec [ 109.768153][ T4986] kmem_cache_alloc_trace+0x98/0x3fc [ 109.769635][ T4986] btrfs_delete_delayed_dir_index+0x220/0x550 [ 109.771310][ T4986] __btrfs_unlink_inode+0x34c/0xb00 [ 109.772780][ T4986] btrfs_unlink+0x108/0x258 [ 109.774013][ T4986] vfs_unlink+0x2e0/0x4f4 [ 109.775183][ T4986] do_unlinkat+0x31c/0x600 [ 109.776357][ T4986] __arm64_sys_unlinkat+0xe0/0xfc [ 109.777739][ T4986] invoke_syscall+0x98/0x2b8 [ 109.778988][ T4986] el0_svc_common+0x138/0x258 [ 109.780321][ T4986] do_el0_svc+0x58/0x14c [ 109.781548][ T4986] el0_svc+0x78/0x1e0 [ 109.782644][ T4986] el0t_64_sync_handler+0xcc/0xe4 [ 109.784066][ T4986] el0t_64_sync+0x1a0/0x1a4 [ 109.788146][ T4986] ------------[ cut here ]------------ [ 109.789782][ T4986] WARNING: CPU: 0 PID: 4986 at fs/btrfs/inode.c:4167 __btrfs_unlink_inode+0x908/0xb00 [ 109.792309][ T4986] Modules linked in: [ 109.793365][ T4986] CPU: 0 PID: 4986 Comm: syz.0.21 Tainted: G W 5.15.181-syzkaller #0 [ 109.795912][ T4986] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 109.798659][ T4986] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 109.800812][ T4986] pc : __btrfs_unlink_inode+0x908/0xb00 [ 109.802424][ T4986] lr : __btrfs_unlink_inode+0x908/0xb00 [ 109.803928][ T4986] sp : ffff80001fa17a60 [ 109.805065][ T4986] x29: ffff80001fa17b10 x28: ffff0000d8978000 x27: ffff0000eb881810 [ 109.807233][ T4986] x26: 0000000000000100 x25: 00000000fffffff4 x24: ffff0000c8a388f0 [ 109.809334][ T4986] x23: 1ffff00003f42f54 x22: dfff800000000000 x21: ffff0000e1793ae0 [ 109.811458][ T4986] x20: ffff0000ddda99f8 x19: 1fffe0001bbb533f x18: 0000000000000001 [ 109.813619][ T4986] x17: 0000000000000000 x16: ffff8000111a3970 x15: 00000000ffffffff [ 109.815789][ T4986] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 109.817982][ T4986] x11: 0000000000000000 x10: 0000000000000000 x9 : b6260f6452e91100 [ 109.820120][ T4986] x8 : b6260f6452e91100 x7 : 0000000000000001 x6 : 0000000000000001 [ 109.822253][ T4986] x5 : ffff80001fa17358 x4 : ffff80001422f280 x3 : ffff800008503848 [ 109.824365][ T4986] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 109.826543][ T4986] Call trace: [ 109.827448][ T4986] __btrfs_unlink_inode+0x908/0xb00 [ 109.828897][ T4986] btrfs_unlink+0x108/0x258 [ 109.830142][ T4986] vfs_unlink+0x2e0/0x4f4 [ 109.831274][ T4986] do_unlinkat+0x31c/0x600 [ 109.832418][ T4986] __arm64_sys_unlinkat+0xe0/0xfc [ 109.833733][ T4986] invoke_syscall+0x98/0x2b8 [ 109.834941][ T4986] el0_svc_common+0x138/0x258 [ 109.836203][ T4986] do_el0_svc+0x58/0x14c [ 109.837356][ T4986] el0_svc+0x78/0x1e0 [ 109.838399][ T4986] el0t_64_sync_handler+0xcc/0xe4 [ 109.839735][ T4986] el0t_64_sync+0x1a0/0x1a4 [ 109.840951][ T4986] irq event stamp: 83428 [ 109.842082][ T4986] hardirqs last enabled at (83427): [] __up_console_sem+0xb4/0x100 [ 109.844769][ T4986] hardirqs last disabled at (83428): [] el1_dbg+0x24/0x80 [ 109.847122][ T4986] softirqs last enabled at (83408): [] handle_softirqs+0xa4c/0xbf0 [ 109.849632][ T4986] softirqs last disabled at (83321): [] __irq_exit_rcu+0x240/0x440 [ 109.852174][ T4986] ---[ end trace 46cfa338bbe4cbc3 ]--- [ 109.857494][ T4986] BTRFS: error (device loop0) in __btrfs_unlink_inode:4167: errno=-12 Out of memory [ 109.860089][ T4986] BTRFS info (device loop0): forced readonly [ 110.221200][ T5008] loop0: detected capacity change from 0 to 32768 [ 110.258000][ T5008] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.22 (5008) [ 110.273031][ T5008] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 110.275498][ T5008] BTRFS info (device loop0): using free space tree [ 110.278597][ T5008] BTRFS info (device loop0): has skinny extents [ 110.295143][ T5008] BTRFS info (device loop0): enabling ssd optimizations [ 110.315241][ T5008] FAULT_INJECTION: forcing a failure. [ 110.315241][ T5008] name failslab, interval 1, probability 0, space 0, times 0 [ 110.321308][ T5008] CPU: 1 PID: 5008 Comm: syz.0.22 Tainted: G W 5.15.181-syzkaller #0 [ 110.323872][ T5008] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 110.326560][ T5008] Call trace: [ 110.327447][ T5008] dump_backtrace+0x0/0x43c [ 110.328657][ T5008] show_stack+0x2c/0x3c [ 110.329795][ T5008] __dump_stack+0x30/0x40 [ 110.330986][ T5008] dump_stack_lvl+0xf8/0x160 [ 110.332235][ T5008] dump_stack+0x1c/0x5c [ 110.333376][ T5008] should_fail+0x3c0/0x51c [ 110.334611][ T5008] __should_failslab+0xbc/0x10c [ 110.335934][ T5008] should_failslab+0x10/0x28 [ 110.337208][ T5008] slab_pre_alloc_hook+0x64/0xec [ 110.338579][ T5008] kmem_cache_alloc_trace+0x98/0x3fc [ 110.340003][ T5008] btrfs_delete_delayed_dir_index+0x220/0x550 [ 110.341673][ T5008] __btrfs_unlink_inode+0x34c/0xb00 [ 110.343069][ T5008] btrfs_unlink+0x108/0x258 [ 110.344314][ T5008] vfs_unlink+0x2e0/0x4f4 [ 110.345503][ T5008] do_unlinkat+0x31c/0x600 [ 110.346743][ T5008] __arm64_sys_unlinkat+0xe0/0xfc [ 110.348138][ T5008] invoke_syscall+0x98/0x2b8 [ 110.349398][ T5008] el0_svc_common+0x138/0x258 [ 110.350671][ T5008] do_el0_svc+0x58/0x14c [ 110.351847][ T5008] el0_svc+0x78/0x1e0 [ 110.352938][ T5008] el0t_64_sync_handler+0xcc/0xe4 [ 110.354289][ T5008] el0t_64_sync+0x1a0/0x1a4 [ 110.361222][ T5008] ------------[ cut here ]------------ [ 110.362990][ T5008] WARNING: CPU: 1 PID: 5008 at fs/btrfs/inode.c:4167 __btrfs_unlink_inode+0x908/0xb00 [ 110.365586][ T5008] Modules linked in: [ 110.366621][ T5008] CPU: 1 PID: 5008 Comm: syz.0.22 Tainted: G W 5.15.181-syzkaller #0 [ 110.369285][ T5008] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 110.372035][ T5008] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 110.374192][ T5008] pc : __btrfs_unlink_inode+0x908/0xb00 [ 110.375715][ T5008] lr : __btrfs_unlink_inode+0x908/0xb00 [ 110.377261][ T5008] sp : ffff80001fd87a60 [ 110.378405][ T5008] x29: ffff80001fd87b10 x28: ffff0000d96a4000 x27: ffff0000e175c010 [ 110.380604][ T5008] x26: 0000000000000100 x25: 00000000fffffff4 x24: ffff0000ce18e9a0 [ 110.382791][ T5008] x23: 1ffff00003fb0f54 x22: dfff800000000000 x21: ffff0000e16b4e80 [ 110.385001][ T5008] x20: ffff0000ddda61b8 x19: 1fffe0001bbb4c37 x18: 0000000000000001 [ 110.387191][ T5008] x17: 0000000000000000 x16: ffff8000111a3970 x15: 00000000ffffffff [ 110.389469][ T5008] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 110.391747][ T5008] x11: 0000000000000000 x10: 0000000000000000 x9 : 5ce591e29a1af600 [ 110.393981][ T5008] x8 : 5ce591e29a1af600 x7 : 0000000000000001 x6 : 0000000000000001 [ 110.396195][ T5008] x5 : ffff80001fd87358 x4 : ffff80001422f280 x3 : ffff800008503848 [ 110.398397][ T5008] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 110.400721][ T5008] Call trace: [ 110.401594][ T5008] __btrfs_unlink_inode+0x908/0xb00 [ 110.403008][ T5008] btrfs_unlink+0x108/0x258 [ 110.404262][ T5008] vfs_unlink+0x2e0/0x4f4 [ 110.405459][ T5008] do_unlinkat+0x31c/0x600 [ 110.406673][ T5008] __arm64_sys_unlinkat+0xe0/0xfc [ 110.408043][ T5008] invoke_syscall+0x98/0x2b8 [ 110.409321][ T5008] el0_svc_common+0x138/0x258 [ 110.410629][ T5008] do_el0_svc+0x58/0x14c [ 110.411786][ T5008] el0_svc+0x78/0x1e0 [ 110.412884][ T5008] el0t_64_sync_handler+0xcc/0xe4 [ 110.414270][ T5008] el0t_64_sync+0x1a0/0x1a4 [ 110.415529][ T5008] irq event stamp: 80686 [ 110.416643][ T5008] hardirqs last enabled at (80685): [] __up_console_sem+0xb4/0x100 [ 110.419352][ T5008] hardirqs last disabled at (80686): [] el1_dbg+0x24/0x80 [ 110.421866][ T5008] softirqs last enabled at (80666): [] handle_softirqs+0xa4c/0xbf0 [ 110.424521][ T5008] softirqs last disabled at (80529): [] __irq_exit_rcu+0x240/0x440 [ 110.427117][ T5008] ---[ end trace 46cfa338bbe4cbc4 ]--- [ 110.432699][ T5008] BTRFS: error (device loop0) in __btrfs_unlink_inode:4167: errno=-12 Out of memory [ 110.435393][ T5008] BTRFS info (device loop0): forced readonly [ 110.811753][ T5030] loop0: detected capacity change from 0 to 32768 [ 110.899902][ T5030] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.23 (5030) [ 110.906595][ T5030] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 110.908955][ T5030] BTRFS info (device loop0): using free space tree [ 110.910660][ T5030] BTRFS info (device loop0): has skinny extents [ 110.928628][ T5030] BTRFS info (device loop0): enabling ssd optimizations [ 110.937096][ T5030] FAULT_INJECTION: forcing a failure. [ 110.937096][ T5030] name failslab, interval 1, probability 0, space 0, times 0 [ 110.940556][ T5030] CPU: 0 PID: 5030 Comm: syz.0.23 Tainted: G W 5.15.181-syzkaller #0 [ 110.943140][ T5030] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 110.945799][ T5030] Call trace: [ 110.946657][ T5030] dump_backtrace+0x0/0x43c [ 110.947936][ T5030] show_stack+0x2c/0x3c [ 110.949142][ T5030] __dump_stack+0x30/0x40 [ 110.950315][ T5030] dump_stack_lvl+0xf8/0x160 [ 110.951523][ T5030] dump_stack+0x1c/0x5c [ 110.952623][ T5030] should_fail+0x3c0/0x51c [ 110.953783][ T5030] __should_failslab+0xbc/0x10c [ 110.955071][ T5030] should_failslab+0x10/0x28 [ 110.956343][ T5030] slab_pre_alloc_hook+0x64/0xec [ 110.957682][ T5030] kmem_cache_alloc_trace+0x98/0x3fc [ 110.959159][ T5030] btrfs_delete_delayed_dir_index+0x220/0x550 [ 110.960744][ T5030] __btrfs_unlink_inode+0x34c/0xb00 [ 110.962107][ T5030] btrfs_unlink+0x108/0x258 [ 110.963315][ T5030] vfs_unlink+0x2e0/0x4f4 [ 110.964480][ T5030] do_unlinkat+0x31c/0x600 [ 110.965698][ T5030] __arm64_sys_unlinkat+0xe0/0xfc [ 110.967086][ T5030] invoke_syscall+0x98/0x2b8 [ 110.968354][ T5030] el0_svc_common+0x138/0x258 [ 110.969595][ T5030] do_el0_svc+0x58/0x14c [ 110.970743][ T5030] el0_svc+0x78/0x1e0 [ 110.971808][ T5030] el0t_64_sync_handler+0xcc/0xe4 [ 110.973199][ T5030] el0t_64_sync+0x1a0/0x1a4 [ 110.977466][ T5030] ------------[ cut here ]------------ [ 110.979174][ T5030] WARNING: CPU: 1 PID: 5030 at fs/btrfs/inode.c:4167 __btrfs_unlink_inode+0x908/0xb00 [ 110.981651][ T5030] Modules linked in: [ 110.982658][ T5030] CPU: 1 PID: 5030 Comm: syz.0.23 Tainted: G W 5.15.181-syzkaller #0 [ 110.985137][ T5030] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 110.987889][ T5030] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 110.990009][ T5030] pc : __btrfs_unlink_inode+0x908/0xb00 [ 110.991542][ T5030] lr : __btrfs_unlink_inode+0x908/0xb00 [ 110.993049][ T5030] sp : ffff80001fd87a60 [ 110.994158][ T5030] x29: ffff80001fd87b10 x28: ffff0000dc1ee000 x27: ffff0000eb881c10 [ 110.996327][ T5030] x26: 0000000000000100 x25: 00000000fffffff4 x24: ffff0000ce657a50 [ 110.998495][ T5030] x23: 1ffff00003fb0f54 x22: dfff800000000000 x21: ffff0000e1796220 [ 111.000665][ T5030] x20: ffff0000ddda9b58 x19: 1fffe0001bbb536b x18: 0000000000000001 [ 111.002796][ T5030] x17: 0000000000000000 x16: ffff8000083007d8 x15: 00000000ffffffff [ 111.004952][ T5030] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 111.007167][ T5030] x11: 0000000000000000 x10: 0000000000000000 x9 : f988796207366b00 [ 111.009292][ T5030] x8 : f988796207366b00 x7 : 0000000000000001 x6 : 0000000000000001 [ 111.011464][ T5030] x5 : ffff80001fd87358 x4 : ffff80001422f280 x3 : ffff8000083008e8 [ 111.013688][ T5030] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 111.015894][ T5030] Call trace: [ 111.016769][ T5030] __btrfs_unlink_inode+0x908/0xb00 [ 111.018193][ T5030] btrfs_unlink+0x108/0x258 [ 111.019395][ T5030] vfs_unlink+0x2e0/0x4f4 [ 111.020575][ T5030] do_unlinkat+0x31c/0x600 [ 111.021761][ T5030] __arm64_sys_unlinkat+0xe0/0xfc [ 111.023133][ T5030] invoke_syscall+0x98/0x2b8 [ 111.024400][ T5030] el0_svc_common+0x138/0x258 [ 111.025668][ T5030] do_el0_svc+0x58/0x14c [ 111.026842][ T5030] el0_svc+0x78/0x1e0 [ 111.027884][ T5030] el0t_64_sync_handler+0xcc/0xe4 [ 111.029220][ T5030] el0t_64_sync+0x1a0/0x1a4 [ 111.030422][ T5030] irq event stamp: 81576 [ 111.031570][ T5030] hardirqs last enabled at (81575): [] __up_console_sem+0xb4/0x100 [ 111.034162][ T5030] hardirqs last disabled at (81576): [] el1_dbg+0x24/0x80 [ 111.036537][ T5030] softirqs last enabled at (81556): [] handle_softirqs+0xa4c/0xbf0 [ 111.039162][ T5030] softirqs last disabled at (81445): [] __irq_exit_rcu+0x240/0x440 [ 111.041725][ T5030] ---[ end trace 46cfa338bbe4cbc5 ]--- [ 111.046907][ T5030] BTRFS: error (device loop0) in __btrfs_unlink_inode:4167: errno=-12 Out of memory [ 111.049414][ T5030] BTRFS info (device loop0): forced readonly [ 111.386919][ T5052] loop0: detected capacity change from 0 to 32768 [ 111.394795][ T5052] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.24 (5052) [ 111.419124][ T5052] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 111.421698][ T5052] BTRFS info (device loop0): using free space tree [ 111.423428][ T5052] BTRFS info (device loop0): has skinny extents [ 111.531715][ T5052] BTRFS info (device loop0): enabling ssd optimizations [ 111.550158][ T5052] FAULT_INJECTION: forcing a failure. [ 111.550158][ T5052] name failslab, interval 1, probability 0, space 0, times 0 [ 111.553721][ T5052] CPU: 0 PID: 5052 Comm: syz.0.24 Tainted: G W 5.15.181-syzkaller #0 [ 111.556281][ T5052] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 111.559074][ T5052] Call trace: [ 111.559963][ T5052] dump_backtrace+0x0/0x43c [ 111.561151][ T5052] show_stack+0x2c/0x3c [ 111.562302][ T5052] __dump_stack+0x30/0x40 [ 111.563503][ T5052] dump_stack_lvl+0xf8/0x160 [ 111.564778][ T5052] dump_stack+0x1c/0x5c [ 111.565965][ T5052] should_fail+0x3c0/0x51c [ 111.567159][ T5052] __should_failslab+0xbc/0x10c [ 111.568535][ T5052] should_failslab+0x10/0x28 [ 111.569803][ T5052] slab_pre_alloc_hook+0x64/0xec [ 111.571152][ T5052] kmem_cache_alloc+0x94/0x3e4 [ 111.572498][ T5052] btrfs_alloc_path+0x5c/0x68 [ 111.573799][ T5052] __btrfs_unlink_inode+0x1d8/0xb00 [ 111.575219][ T5052] btrfs_unlink+0x108/0x258 [ 111.576464][ T5052] vfs_unlink+0x2e0/0x4f4 [ 111.577659][ T5052] do_unlinkat+0x31c/0x600 [ 111.578889][ T5052] __arm64_sys_unlinkat+0xe0/0xfc [ 111.580282][ T5052] invoke_syscall+0x98/0x2b8 [ 111.581555][ T5052] el0_svc_common+0x138/0x258 [ 111.582803][ T5052] do_el0_svc+0x58/0x14c [ 111.583972][ T5052] el0_svc+0x78/0x1e0 [ 111.585147][ T5052] el0t_64_sync_handler+0xcc/0xe4 [ 111.586528][ T5052] el0t_64_sync+0x1a0/0x1a4 1970/01/01 00:01:51 executed programs: 12 [ 111.996939][ T5074] loop0: detected capacity change from 0 to 32768 [ 112.012162][ T5074] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.25 (5074) [ 112.037546][ T5074] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 112.040066][ T5074] BTRFS info (device loop0): using free space tree [ 112.042250][ T5074] BTRFS info (device loop0): has skinny extents [ 112.137215][ T5074] BTRFS info (device loop0): enabling ssd optimizations [ 112.144481][ T5074] FAULT_INJECTION: forcing a failure. [ 112.144481][ T5074] name failslab, interval 1, probability 0, space 0, times 0 [ 112.151730][ T5074] CPU: 1 PID: 5074 Comm: syz.0.25 Tainted: G W 5.15.181-syzkaller #0 [ 112.154296][ T5074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 112.156976][ T5074] Call trace: [ 112.157829][ T5074] dump_backtrace+0x0/0x43c [ 112.159029][ T5074] show_stack+0x2c/0x3c [ 112.160132][ T5074] __dump_stack+0x30/0x40 [ 112.161340][ T5074] dump_stack_lvl+0xf8/0x160 [ 112.162638][ T5074] dump_stack+0x1c/0x5c [ 112.163830][ T5074] should_fail+0x3c0/0x51c [ 112.165063][ T5074] __should_failslab+0xbc/0x10c [ 112.166401][ T5074] should_failslab+0x10/0x28 [ 112.167621][ T5074] slab_pre_alloc_hook+0x64/0xec [ 112.168965][ T5074] kmem_cache_alloc_trace+0x98/0x3fc [ 112.170390][ T5074] btrfs_delete_delayed_dir_index+0x220/0x550 [ 112.172130][ T5074] __btrfs_unlink_inode+0x34c/0xb00 [ 112.173541][ T5074] btrfs_unlink+0x108/0x258 [ 112.174776][ T5074] vfs_unlink+0x2e0/0x4f4 [ 112.175941][ T5074] do_unlinkat+0x31c/0x600 [ 112.177168][ T5074] __arm64_sys_unlinkat+0xe0/0xfc [ 112.178538][ T5074] invoke_syscall+0x98/0x2b8 [ 112.179807][ T5074] el0_svc_common+0x138/0x258 [ 112.181075][ T5074] do_el0_svc+0x58/0x14c [ 112.182284][ T5074] el0_svc+0x78/0x1e0 [ 112.183331][ T5074] el0t_64_sync_handler+0xcc/0xe4 [ 112.184707][ T5074] el0t_64_sync+0x1a0/0x1a4 [ 112.191627][ T5074] ------------[ cut here ]------------ [ 112.193481][ T5074] WARNING: CPU: 1 PID: 5074 at fs/btrfs/inode.c:4167 __btrfs_unlink_inode+0x908/0xb00 [ 112.196125][ T5074] Modules linked in: [ 112.197173][ T5074] CPU: 1 PID: 5074 Comm: syz.0.25 Tainted: G W 5.15.181-syzkaller #0 [ 112.199682][ T5074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 112.202436][ T5074] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 112.204589][ T5074] pc : __btrfs_unlink_inode+0x908/0xb00 [ 112.206075][ T5074] lr : __btrfs_unlink_inode+0x908/0xb00 [ 112.207631][ T5074] sp : ffff8000201e7a60 [ 112.208768][ T5074] x29: ffff8000201e7b10 x28: ffff0000c7aaa000 x27: ffff0000eb882410 [ 112.210974][ T5074] x26: 0000000000000100 x25: 00000000fffffff4 x24: ffff0000e84c8f20 [ 112.213119][ T5074] x23: 1ffff0000403cf54 x22: dfff800000000000 x21: ffff0000eb92a740 [ 112.215341][ T5074] x20: ffff0000ddda9e18 x19: 1fffe0001bbb53c3 x18: 0000000000000001 [ 112.217588][ T5074] x17: 0000000000000000 x16: ffff8000111a3970 x15: 00000000ffffffff [ 112.219756][ T5074] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 112.221994][ T5074] x11: 0000000000000000 x10: 0000000000000000 x9 : 61ab36bccde72600 [ 112.224213][ T5074] x8 : 61ab36bccde72600 x7 : 0000000000000001 x6 : 0000000000000001 [ 112.226440][ T5074] x5 : ffff8000201e7358 x4 : ffff80001422f280 x3 : ffff800008503848 [ 112.228627][ T5074] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 112.230824][ T5074] Call trace: [ 112.231727][ T5074] __btrfs_unlink_inode+0x908/0xb00 [ 112.233147][ T5074] btrfs_unlink+0x108/0x258 [ 112.234387][ T5074] vfs_unlink+0x2e0/0x4f4 [ 112.235573][ T5074] do_unlinkat+0x31c/0x600 [ 112.236806][ T5074] __arm64_sys_unlinkat+0xe0/0xfc [ 112.238195][ T5074] invoke_syscall+0x98/0x2b8 [ 112.239474][ T5074] el0_svc_common+0x138/0x258 [ 112.240742][ T5074] do_el0_svc+0x58/0x14c [ 112.241906][ T5074] el0_svc+0x78/0x1e0 [ 112.243004][ T5074] el0t_64_sync_handler+0xcc/0xe4 [ 112.244393][ T5074] el0t_64_sync+0x1a0/0x1a4 [ 112.245619][ T5074] irq event stamp: 81198 [ 112.246782][ T5074] hardirqs last enabled at (81197): [] __up_console_sem+0xb4/0x100 [ 112.249453][ T5074] hardirqs last disabled at (81198): [] el1_dbg+0x24/0x80 [ 112.251858][ T5074] softirqs last enabled at (81174): [] handle_softirqs+0xa4c/0xbf0 [ 112.254463][ T5074] softirqs last disabled at (81109): [] __irq_exit_rcu+0x240/0x440 [ 112.257139][ T5074] ---[ end trace 46cfa338bbe4cbc6 ]--- [ 112.266273][ T5074] BTRFS: error (device loop0) in __btrfs_unlink_inode:4167: errno=-12 Out of memory [ 112.268888][ T5074] BTRFS info (device loop0): forced readonly [ 112.641730][ T5097] loop0: detected capacity change from 0 to 32768 [ 112.654213][ T5097] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.26 (5097) [ 112.664008][ T5097] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 112.666674][ T5097] BTRFS info (device loop0): using free space tree [ 112.668393][ T5097] BTRFS info (device loop0): has skinny extents [ 112.706274][ T5097] BTRFS info (device loop0): enabling ssd optimizations [ 112.713094][ T5097] FAULT_INJECTION: forcing a failure. [ 112.713094][ T5097] name failslab, interval 1, probability 0, space 0, times 0 [ 112.717398][ T5097] CPU: 0 PID: 5097 Comm: syz.0.26 Tainted: G W 5.15.181-syzkaller #0 [ 112.720053][ T5097] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 112.722757][ T5097] Call trace: [ 112.723634][ T5097] dump_backtrace+0x0/0x43c [ 112.725019][ T5097] show_stack+0x2c/0x3c [ 112.726129][ T5097] __dump_stack+0x30/0x40 [ 112.727293][ T5097] dump_stack_lvl+0xf8/0x160 [ 112.728510][ T5097] dump_stack+0x1c/0x5c [ 112.729616][ T5097] should_fail+0x3c0/0x51c [ 112.730785][ T5097] __should_failslab+0xbc/0x10c [ 112.732125][ T5097] should_failslab+0x10/0x28 [ 112.733398][ T5097] slab_pre_alloc_hook+0x64/0xec [ 112.734760][ T5097] kmem_cache_alloc_trace+0x98/0x3fc [ 112.736169][ T5097] btrfs_delete_delayed_dir_index+0x220/0x550 [ 112.737795][ T5097] __btrfs_unlink_inode+0x34c/0xb00 [ 112.739203][ T5097] btrfs_unlink+0x108/0x258 [ 112.740367][ T5097] vfs_unlink+0x2e0/0x4f4 [ 112.741528][ T5097] do_unlinkat+0x31c/0x600 [ 112.742757][ T5097] __arm64_sys_unlinkat+0xe0/0xfc [ 112.744101][ T5097] invoke_syscall+0x98/0x2b8 [ 112.745421][ T5097] el0_svc_common+0x138/0x258 [ 112.746709][ T5097] do_el0_svc+0x58/0x14c [ 112.747871][ T5097] el0_svc+0x78/0x1e0 [ 112.748974][ T5097] el0t_64_sync_handler+0xcc/0xe4 [ 112.750330][ T5097] el0t_64_sync+0x1a0/0x1a4 [ 112.754617][ T5097] ------------[ cut here ]------------ [ 112.756318][ T5097] WARNING: CPU: 0 PID: 5097 at fs/btrfs/inode.c:4167 __btrfs_unlink_inode+0x908/0xb00 [ 112.758896][ T5097] Modules linked in: [ 112.759893][ T5097] CPU: 0 PID: 5097 Comm: syz.0.26 Tainted: G W 5.15.181-syzkaller #0 [ 112.762355][ T5097] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 112.765075][ T5097] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 112.767154][ T5097] pc : __btrfs_unlink_inode+0x908/0xb00 [ 112.768631][ T5097] lr : __btrfs_unlink_inode+0x908/0xb00 [ 112.770122][ T5097] sp : ffff800020287a60 [ 112.771215][ T5097] x29: ffff800020287b10 x28: ffff0000ebc16000 x27: ffff0000eb880010 [ 112.773370][ T5097] x26: 0000000000000100 x25: 00000000fffffff4 x24: ffff0000c173d0b0 [ 112.775491][ T5097] x23: 1ffff00004050f54 x22: dfff800000000000 x21: ffff0000eb92c4b0 [ 112.777724][ T5097] x20: ffff0000ddda9058 x19: 1fffe0001bbb520b x18: 0000000000000001 [ 112.779830][ T5097] x17: 0000000000000000 x16: ffff8000111a3970 x15: 00000000ffffffff [ 112.781984][ T5097] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 112.784120][ T5097] x11: 0000000000000000 x10: 0000000000000000 x9 : 0e450e4085a41500 [ 112.786289][ T5097] x8 : 0e450e4085a41500 x7 : 0000000000000001 x6 : 0000000000000001 [ 112.788481][ T5097] x5 : ffff800020287358 x4 : ffff80001422f280 x3 : ffff800008503848 [ 112.790650][ T5097] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 112.792790][ T5097] Call trace: [ 112.793668][ T5097] __btrfs_unlink_inode+0x908/0xb00 [ 112.795071][ T5097] btrfs_unlink+0x108/0x258 [ 112.796317][ T5097] vfs_unlink+0x2e0/0x4f4 [ 112.797520][ T5097] do_unlinkat+0x31c/0x600 [ 112.798687][ T5097] __arm64_sys_unlinkat+0xe0/0xfc [ 112.800014][ T5097] invoke_syscall+0x98/0x2b8 [ 112.801295][ T5097] el0_svc_common+0x138/0x258 [ 112.802610][ T5097] do_el0_svc+0x58/0x14c [ 112.803767][ T5097] el0_svc+0x78/0x1e0 [ 112.804833][ T5097] el0t_64_sync_handler+0xcc/0xe4 [ 112.806218][ T5097] el0t_64_sync+0x1a0/0x1a4 [ 112.807426][ T5097] irq event stamp: 82340 [ 112.808531][ T5097] hardirqs last enabled at (82339): [] __up_console_sem+0xb4/0x100 [ 112.811123][ T5097] hardirqs last disabled at (82340): [] el1_dbg+0x24/0x80 [ 112.813540][ T5097] softirqs last enabled at (82330): [] handle_softirqs+0xa4c/0xbf0 [ 112.816069][ T5097] softirqs last disabled at (82321): [] __irq_exit_rcu+0x240/0x440 [ 112.818631][ T5097] ---[ end trace 46cfa338bbe4cbc7 ]--- [ 112.824022][ T5097] BTRFS: error (device loop0) in __btrfs_unlink_inode:4167: errno=-12 Out of memory [ 112.826776][ T5097] BTRFS info (device loop0): forced readonly [ 113.155435][ T5119] loop0: detected capacity change from 0 to 32768 [ 113.224876][ T5119] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.27 (5119) [ 113.234490][ T5119] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 113.237442][ T5119] BTRFS info (device loop0): using free space tree [ 113.239361][ T5119] BTRFS info (device loop0): has skinny extents [ 113.285039][ T5119] BTRFS info (device loop0): enabling ssd optimizations [ 113.292226][ T5119] FAULT_INJECTION: forcing a failure. [ 113.292226][ T5119] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 113.297659][ T5119] CPU: 0 PID: 5119 Comm: syz.0.27 Tainted: G W 5.15.181-syzkaller #0 [ 113.300171][ T5119] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 113.302966][ T5119] Call trace: [ 113.303832][ T5119] dump_backtrace+0x0/0x43c [ 113.305032][ T5119] show_stack+0x2c/0x3c [ 113.306136][ T5119] __dump_stack+0x30/0x40 [ 113.307349][ T5119] dump_stack_lvl+0xf8/0x160 [ 113.308615][ T5119] dump_stack+0x1c/0x5c [ 113.309714][ T5119] should_fail+0x3c0/0x51c [ 113.310926][ T5119] should_fail_alloc_page+0x74/0xa8 [ 113.312320][ T5119] prepare_alloc_pages+0x160/0x460 [ 113.313736][ T5119] __alloc_pages+0x108/0x470 [ 113.314982][ T5119] alloc_pages+0x34c/0x5c0 [ 113.316184][ T5119] new_slab+0xe0/0x55c [ 113.317303][ T5119] ___slab_alloc+0x6c0/0xda8 [ 113.318544][ T5119] __slab_alloc+0x68/0xc0 [ 113.319711][ T5119] kmem_cache_alloc+0x2ac/0x3e4 [ 113.321054][ T5119] btrfs_alloc_path+0x5c/0x68 [ 113.322348][ T5119] __btrfs_unlink_inode+0x1d8/0xb00 [ 113.323797][ T5119] btrfs_unlink+0x108/0x258 [ 113.325000][ T5119] vfs_unlink+0x2e0/0x4f4 [ 113.326157][ T5119] do_unlinkat+0x31c/0x600 [ 113.327415][ T5119] __arm64_sys_unlinkat+0xe0/0xfc [ 113.328769][ T5119] invoke_syscall+0x98/0x2b8 [ 113.330024][ T5119] el0_svc_common+0x138/0x258 [ 113.331393][ T5119] do_el0_svc+0x58/0x14c [ 113.332545][ T5119] el0_svc+0x78/0x1e0 [ 113.333620][ T5119] el0t_64_sync_handler+0xcc/0xe4 [ 113.334991][ T5119] el0t_64_sync+0x1a0/0x1a4 [ 113.614837][ T5141] loop0: detected capacity change from 0 to 32768 [ 113.675989][ T5141] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.28 (5141) [ 113.684836][ T5141] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 113.687571][ T5141] BTRFS info (device loop0): using free space tree [ 113.689352][ T5141] BTRFS info (device loop0): has skinny extents [ 113.703616][ T5141] BTRFS info (device loop0): enabling ssd optimizations [ 113.710799][ T5141] FAULT_INJECTION: forcing a failure. [ 113.710799][ T5141] name failslab, interval 1, probability 0, space 0, times 0 [ 113.714268][ T5141] CPU: 1 PID: 5141 Comm: syz.0.28 Tainted: G W 5.15.181-syzkaller #0 [ 113.716884][ T5141] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 113.719600][ T5141] Call trace: [ 113.720487][ T5141] dump_backtrace+0x0/0x43c [ 113.721720][ T5141] show_stack+0x2c/0x3c [ 113.722846][ T5141] __dump_stack+0x30/0x40 [ 113.723998][ T5141] dump_stack_lvl+0xf8/0x160 [ 113.725254][ T5141] dump_stack+0x1c/0x5c [ 113.726363][ T5141] should_fail+0x3c0/0x51c [ 113.727584][ T5141] __should_failslab+0xbc/0x10c [ 113.728891][ T5141] should_failslab+0x10/0x28 [ 113.730157][ T5141] slab_pre_alloc_hook+0x64/0xec [ 113.731498][ T5141] kmem_cache_alloc_trace+0x98/0x3fc [ 113.732974][ T5141] btrfs_delete_delayed_dir_index+0x220/0x550 [ 113.734658][ T5141] __btrfs_unlink_inode+0x34c/0xb00 [ 113.736088][ T5141] btrfs_unlink+0x108/0x258 [ 113.737282][ T5141] vfs_unlink+0x2e0/0x4f4 [ 113.738441][ T5141] do_unlinkat+0x31c/0x600 [ 113.739677][ T5141] __arm64_sys_unlinkat+0xe0/0xfc [ 113.741048][ T5141] invoke_syscall+0x98/0x2b8 [ 113.742326][ T5141] el0_svc_common+0x138/0x258 [ 113.743581][ T5141] do_el0_svc+0x58/0x14c [ 113.744708][ T5141] el0_svc+0x78/0x1e0 [ 113.745747][ T5141] el0t_64_sync_handler+0xcc/0xe4 [ 113.747170][ T5141] el0t_64_sync+0x1a0/0x1a4 [ 113.750041][ T5141] ------------[ cut here ]------------ [ 113.751841][ T5141] WARNING: CPU: 1 PID: 5141 at fs/btrfs/inode.c:4167 __btrfs_unlink_inode+0x908/0xb00 [ 113.754387][ T5141] Modules linked in: [ 113.755431][ T5141] CPU: 1 PID: 5141 Comm: syz.0.28 Tainted: G W 5.15.181-syzkaller #0 [ 113.757924][ T5141] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 113.760721][ T5141] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 113.762778][ T5141] pc : __btrfs_unlink_inode+0x908/0xb00 [ 113.764285][ T5141] lr : __btrfs_unlink_inode+0x908/0xb00 [ 113.765864][ T5141] sp : ffff8000203b7a60 [ 113.767027][ T5141] x29: ffff8000203b7b10 x28: ffff0000c9d58000 x27: ffff0000e175c410 [ 113.769268][ T5141] x26: 0000000000000100 x25: 00000000fffffff4 x24: ffff0000ca37d9a0 [ 113.771428][ T5141] x23: 1ffff00004076f54 x22: dfff800000000000 x21: ffff0000e16b0000 [ 113.773577][ T5141] x20: ffff0000ddda63c8 x19: 1fffe0001bbb4c79 x18: 0000000000000001 [ 113.775796][ T5141] x17: 0000000000000000 x16: ffff8000111a3970 x15: 00000000ffffffff [ 113.778061][ T5141] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 113.780250][ T5141] x11: 0000000000000000 x10: 0000000000000000 x9 : e98b7b1b22315300 [ 113.782381][ T5141] x8 : e98b7b1b22315300 x7 : 0000000000000001 x6 : 0000000000000001 [ 113.784519][ T5141] x5 : ffff8000203b7358 x4 : ffff80001422f280 x3 : ffff800008503848 [ 113.786697][ T5141] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 113.788808][ T5141] Call trace: [ 113.789656][ T5141] __btrfs_unlink_inode+0x908/0xb00 [ 113.791070][ T5141] btrfs_unlink+0x108/0x258 [ 113.792274][ T5141] vfs_unlink+0x2e0/0x4f4 [ 113.793486][ T5141] do_unlinkat+0x31c/0x600 [ 113.794727][ T5141] __arm64_sys_unlinkat+0xe0/0xfc [ 113.796074][ T5141] invoke_syscall+0x98/0x2b8 [ 113.797271][ T5141] el0_svc_common+0x138/0x258 [ 113.798537][ T5141] do_el0_svc+0x58/0x14c [ 113.799692][ T5141] el0_svc+0x78/0x1e0 [ 113.800785][ T5141] el0t_64_sync_handler+0xcc/0xe4 [ 113.802167][ T5141] el0t_64_sync+0x1a0/0x1a4 [ 113.803423][ T5141] irq event stamp: 80342 [ 113.804564][ T5141] hardirqs last enabled at (80341): [] __up_console_sem+0xb4/0x100 [ 113.807122][ T5141] hardirqs last disabled at (80342): [] el1_dbg+0x24/0x80 [ 113.809464][ T5141] softirqs last enabled at (80316): [] handle_softirqs+0xa4c/0xbf0 [ 113.812072][ T5141] softirqs last disabled at (80269): [] __irq_exit_rcu+0x240/0x440 [ 113.814661][ T5141] ---[ end trace 46cfa338bbe4cbc8 ]--- [ 113.816425][ T5141] BTRFS: error (device loop0) in __btrfs_unlink_inode:4167: errno=-12 Out of memory [ 113.819042][ T5141] BTRFS info (device loop0): forced readonly [ 114.094264][ T5163] loop0: detected capacity change from 0 to 32768 [ 114.147714][ T5163] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.29 (5163) [ 114.157172][ T5163] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 114.159597][ T5163] BTRFS info (device loop0): using free space tree [ 114.161553][ T5163] BTRFS info (device loop0): has skinny extents [ 114.177662][ T5163] BTRFS info (device loop0): enabling ssd optimizations [ 114.187142][ T5163] FAULT_INJECTION: forcing a failure. [ 114.187142][ T5163] name failslab, interval 1, probability 0, space 0, times 0 [ 114.190501][ T5163] CPU: 0 PID: 5163 Comm: syz.0.29 Tainted: G W 5.15.181-syzkaller #0 [ 114.193008][ T5163] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 114.195865][ T5163] Call trace: [ 114.196732][ T5163] dump_backtrace+0x0/0x43c [ 114.197921][ T5163] show_stack+0x2c/0x3c [ 114.199022][ T5163] __dump_stack+0x30/0x40 [ 114.200247][ T5163] dump_stack_lvl+0xf8/0x160 [ 114.201485][ T5163] dump_stack+0x1c/0x5c [ 114.202611][ T5163] should_fail+0x3c0/0x51c [ 114.203778][ T5163] __should_failslab+0xbc/0x10c [ 114.205121][ T5163] should_failslab+0x10/0x28 [ 114.206333][ T5163] slab_pre_alloc_hook+0x64/0xec [ 114.207657][ T5163] kmem_cache_alloc_trace+0x98/0x3fc [ 114.209136][ T5163] btrfs_delete_delayed_dir_index+0x220/0x550 [ 114.210738][ T5163] __btrfs_unlink_inode+0x34c/0xb00 [ 114.212181][ T5163] btrfs_unlink+0x108/0x258 [ 114.213442][ T5163] vfs_unlink+0x2e0/0x4f4 [ 114.214605][ T5163] do_unlinkat+0x31c/0x600 [ 114.215793][ T5163] __arm64_sys_unlinkat+0xe0/0xfc [ 114.217181][ T5163] invoke_syscall+0x98/0x2b8 [ 114.218474][ T5163] el0_svc_common+0x138/0x258 [ 114.219736][ T5163] do_el0_svc+0x58/0x14c [ 114.220899][ T5163] el0_svc+0x78/0x1e0 [ 114.221977][ T5163] el0t_64_sync_handler+0xcc/0xe4 [ 114.223343][ T5163] el0t_64_sync+0x1a0/0x1a4 [ 114.228055][ T5163] ------------[ cut here ]------------ [ 114.229735][ T5163] WARNING: CPU: 1 PID: 5163 at fs/btrfs/inode.c:4167 __btrfs_unlink_inode+0x908/0xb00 [ 114.232341][ T5163] Modules linked in: [ 114.233413][ T5163] CPU: 1 PID: 5163 Comm: syz.0.29 Tainted: G W 5.15.181-syzkaller #0 [ 114.236108][ T5163] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 114.238899][ T5163] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 114.241085][ T5163] pc : __btrfs_unlink_inode+0x908/0xb00 [ 114.242639][ T5163] lr : __btrfs_unlink_inode+0x908/0xb00 [ 114.244213][ T5163] sp : ffff800020457a60 [ 114.245391][ T5163] x29: ffff800020457b10 x28: ffff0000dcf4a000 x27: ffff0000eb882c10 [ 114.247614][ T5163] x26: 0000000000000100 x25: 00000000fffffff4 x24: ffff0000cdb02210 [ 114.249777][ T5163] x23: 1ffff0000408af54 x22: dfff800000000000 x21: ffff0000e170ebf0 [ 114.252046][ T5163] x20: ffff0000ddda9528 x19: 1fffe0001bbb52a5 x18: 0000000000000001 [ 114.254287][ T5163] x17: 0000000000000000 x16: ffff8000083007d8 x15: 00000000ffffffff [ 114.256570][ T5163] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 114.258744][ T5163] x11: 0000000000000000 x10: 0000000000000000 x9 : 0bf835e8050c5a00 [ 114.260928][ T5163] x8 : 0bf835e8050c5a00 x7 : 0000000000000001 x6 : 0000000000000001 [ 114.263155][ T5163] x5 : ffff800020457358 x4 : ffff80001422f280 x3 : ffff8000083008e8 [ 114.265355][ T5163] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 114.267492][ T5163] Call trace: [ 114.268356][ T5163] __btrfs_unlink_inode+0x908/0xb00 [ 114.269842][ T5163] btrfs_unlink+0x108/0x258 [ 114.271111][ T5163] vfs_unlink+0x2e0/0x4f4 [ 114.272338][ T5163] do_unlinkat+0x31c/0x600 [ 114.273534][ T5163] __arm64_sys_unlinkat+0xe0/0xfc [ 114.274882][ T5163] invoke_syscall+0x98/0x2b8 [ 114.276117][ T5163] el0_svc_common+0x138/0x258 [ 114.277392][ T5163] do_el0_svc+0x58/0x14c [ 114.278569][ T5163] el0_svc+0x78/0x1e0 [ 114.279673][ T5163] el0t_64_sync_handler+0xcc/0xe4 [ 114.281024][ T5163] el0t_64_sync+0x1a0/0x1a4 [ 114.282278][ T5163] irq event stamp: 81356 [ 114.283420][ T5163] hardirqs last enabled at (81355): [] __up_console_sem+0xb4/0x100 [ 114.286116][ T5163] hardirqs last disabled at (81356): [] el1_dbg+0x24/0x80 [ 114.288467][ T5163] softirqs last enabled at (81336): [] handle_softirqs+0xa4c/0xbf0 [ 114.291137][ T5163] softirqs last disabled at (81301): [] __irq_exit_rcu+0x240/0x440 [ 114.293766][ T5163] ---[ end trace 46cfa338bbe4cbc9 ]--- [ 114.298179][ T5163] BTRFS: error (device loop0) in __btrfs_unlink_inode:4167: errno=-12 Out of memory [ 114.300953][ T5163] BTRFS info (device loop0): forced readonly [ 114.622276][ T5185] loop0: detected capacity change from 0 to 32768 [ 114.665929][ T5185] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.30 (5185) [ 114.675712][ T5185] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 114.678404][ T5185] BTRFS info (device loop0): using free space tree [ 114.680137][ T5185] BTRFS info (device loop0): has skinny extents [ 114.693698][ T5185] BTRFS info (device loop0): enabling ssd optimizations [ 114.703433][ T5185] FAULT_INJECTION: forcing a failure. [ 114.703433][ T5185] name failslab, interval 1, probability 0, space 0, times 0 [ 114.707194][ T5185] CPU: 1 PID: 5185 Comm: syz.0.30 Tainted: G W 5.15.181-syzkaller #0 [ 114.709690][ T5185] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 114.712370][ T5185] Call trace: [ 114.713229][ T5185] dump_backtrace+0x0/0x43c [ 114.714468][ T5185] show_stack+0x2c/0x3c [ 114.715541][ T5185] __dump_stack+0x30/0x40 [ 114.716726][ T5185] dump_stack_lvl+0xf8/0x160 [ 114.717988][ T5185] dump_stack+0x1c/0x5c [ 114.719117][ T5185] should_fail+0x3c0/0x51c [ 114.720272][ T5185] __should_failslab+0xbc/0x10c [ 114.721575][ T5185] should_failslab+0x10/0x28 [ 114.722798][ T5185] slab_pre_alloc_hook+0x64/0xec [ 114.724228][ T5185] kmem_cache_alloc_trace+0x98/0x3fc [ 114.725663][ T5185] btrfs_delete_delayed_dir_index+0x220/0x550 [ 114.727314][ T5185] __btrfs_unlink_inode+0x34c/0xb00 [ 114.728692][ T5185] btrfs_unlink+0x108/0x258 [ 114.729909][ T5185] vfs_unlink+0x2e0/0x4f4 [ 114.731163][ T5185] do_unlinkat+0x31c/0x600 [ 114.732378][ T5185] __arm64_sys_unlinkat+0xe0/0xfc [ 114.733774][ T5185] invoke_syscall+0x98/0x2b8 [ 114.735007][ T5185] el0_svc_common+0x138/0x258 [ 114.736327][ T5185] do_el0_svc+0x58/0x14c [ 114.737482][ T5185] el0_svc+0x78/0x1e0 [ 114.738555][ T5185] el0t_64_sync_handler+0xcc/0xe4 [ 114.739905][ T5185] el0t_64_sync+0x1a0/0x1a4 [ 114.742588][ T5185] ------------[ cut here ]------------ [ 114.744472][ T5185] WARNING: CPU: 1 PID: 5185 at fs/btrfs/inode.c:4167 __btrfs_unlink_inode+0x908/0xb00 [ 114.747173][ T5185] Modules linked in: [ 114.748227][ T5185] CPU: 1 PID: 5185 Comm: syz.0.30 Tainted: G W 5.15.181-syzkaller #0 [ 114.750805][ T5185] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 114.753589][ T5185] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 114.755793][ T5185] pc : __btrfs_unlink_inode+0x908/0xb00 [ 114.757344][ T5185] lr : __btrfs_unlink_inode+0x908/0xb00 [ 114.758922][ T5185] sp : ffff800020757a60 [ 114.760008][ T5185] x29: ffff800020757b10 x28: ffff0000ce962000 x27: ffff0000e175c810 [ 114.762226][ T5185] x26: 0000000000000100 x25: 00000000fffffff4 x24: ffff0000ca2a6840 [ 114.764459][ T5185] x23: 1ffff000040eaf54 x22: dfff800000000000 x21: ffff0000e14c1d70 [ 114.766613][ T5185] x20: ffff0000ddda6528 x19: 1fffe0001bbb4ca5 x18: 0000000000000001 [ 114.768812][ T5185] x17: 0000000000000000 x16: ffff8000111a3970 x15: 00000000ffffffff [ 114.771017][ T5185] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 114.773283][ T5185] x11: 0000000000000000 x10: 0000000000000000 x9 : 1e3fff68e47fce00 [ 114.775458][ T5185] x8 : 1e3fff68e47fce00 x7 : 0000000000000001 x6 : 0000000000000001 [ 114.777720][ T5185] x5 : ffff800020757358 x4 : ffff80001422f280 x3 : ffff800008503848 [ 114.779860][ T5185] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 114.782080][ T5185] Call trace: [ 114.782913][ T5185] __btrfs_unlink_inode+0x908/0xb00 [ 114.784405][ T5185] btrfs_unlink+0x108/0x258 [ 114.785557][ T5185] vfs_unlink+0x2e0/0x4f4 [ 114.786691][ T5185] do_unlinkat+0x31c/0x600 [ 114.787952][ T5185] __arm64_sys_unlinkat+0xe0/0xfc [ 114.789289][ T5185] invoke_syscall+0x98/0x2b8 [ 114.790512][ T5185] el0_svc_common+0x138/0x258 [ 114.791739][ T5185] do_el0_svc+0x58/0x14c [ 114.792871][ T5185] el0_svc+0x78/0x1e0 [ 114.793937][ T5185] el0t_64_sync_handler+0xcc/0xe4 [ 114.795288][ T5185] el0t_64_sync+0x1a0/0x1a4 [ 114.796476][ T5185] irq event stamp: 81460 [ 114.797663][ T5185] hardirqs last enabled at (81459): [] __up_console_sem+0xb4/0x100 [ 114.800320][ T5185] hardirqs last disabled at (81460): [] el1_dbg+0x24/0x80 [ 114.802685][ T5185] softirqs last enabled at (81450): [] handle_softirqs+0xa4c/0xbf0 [ 114.805341][ T5185] softirqs last disabled at (81393): [] __irq_exit_rcu+0x240/0x440 [ 114.808273][ T5185] ---[ end trace 46cfa338bbe4cbca ]--- [ 114.810242][ T5185] BTRFS: error (device loop0) in __btrfs_unlink_inode:4167: errno=-12 Out of memory [ 114.812911][ T5185] BTRFS info (device loop0): forced readonly [ 115.080856][ T5207] loop0: detected capacity change from 0 to 32768 [ 115.114316][ T5207] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.31 (5207) [ 115.121420][ T5207] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 115.123949][ T5207] BTRFS info (device loop0): using free space tree [ 115.125729][ T5207] BTRFS info (device loop0): has skinny extents [ 115.140858][ T5207] BTRFS info (device loop0): enabling ssd optimizations [ 115.148401][ T5207] FAULT_INJECTION: forcing a failure. [ 115.148401][ T5207] name failslab, interval 1, probability 0, space 0, times 0 [ 115.151980][ T5207] CPU: 0 PID: 5207 Comm: syz.0.31 Tainted: G W 5.15.181-syzkaller #0 [ 115.154568][ T5207] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 115.157384][ T5207] Call trace: [ 115.158311][ T5207] dump_backtrace+0x0/0x43c [ 115.159523][ T5207] show_stack+0x2c/0x3c [ 115.160632][ T5207] __dump_stack+0x30/0x40 [ 115.161883][ T5207] dump_stack_lvl+0xf8/0x160 [ 115.163109][ T5207] dump_stack+0x1c/0x5c [ 115.164291][ T5207] should_fail+0x3c0/0x51c [ 115.165497][ T5207] __should_failslab+0xbc/0x10c [ 115.166792][ T5207] should_failslab+0x10/0x28 [ 115.168044][ T5207] slab_pre_alloc_hook+0x64/0xec [ 115.169360][ T5207] kmem_cache_alloc_trace+0x98/0x3fc [ 115.170811][ T5207] btrfs_delete_delayed_dir_index+0x220/0x550 [ 115.172456][ T5207] __btrfs_unlink_inode+0x34c/0xb00 [ 115.173957][ T5207] btrfs_unlink+0x108/0x258 [ 115.175190][ T5207] vfs_unlink+0x2e0/0x4f4 [ 115.176388][ T5207] do_unlinkat+0x31c/0x600 [ 115.177595][ T5207] __arm64_sys_unlinkat+0xe0/0xfc [ 115.179051][ T5207] invoke_syscall+0x98/0x2b8 [ 115.180342][ T5207] el0_svc_common+0x138/0x258 [ 115.181608][ T5207] do_el0_svc+0x58/0x14c [ 115.182753][ T5207] el0_svc+0x78/0x1e0 [ 115.183838][ T5207] el0t_64_sync_handler+0xcc/0xe4 [ 115.185223][ T5207] el0t_64_sync+0x1a0/0x1a4 [ 115.188469][ T5207] ------------[ cut here ]------------ [ 115.190163][ T5207] WARNING: CPU: 0 PID: 5207 at fs/btrfs/inode.c:4167 __btrfs_unlink_inode+0x908/0xb00 [ 115.192767][ T5207] Modules linked in: [ 115.193862][ T5207] CPU: 0 PID: 5207 Comm: syz.0.31 Tainted: G W 5.15.181-syzkaller #0 [ 115.196532][ T5207] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 115.199311][ T5207] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 115.201485][ T5207] pc : __btrfs_unlink_inode+0x908/0xb00 [ 115.202959][ T5207] lr : __btrfs_unlink_inode+0x908/0xb00 [ 115.204473][ T5207] sp : ffff800020767a60 [ 115.205587][ T5207] x29: ffff800020767b10 x28: ffff0000ceebe000 x27: ffff0000eb881010 [ 115.207796][ T5207] x26: 0000000000000100 x25: 00000000fffffff4 x24: ffff0000c82ac8f0 [ 115.210049][ T5207] x23: 1ffff000040ecf54 x22: dfff800000000000 x21: ffff0000e170c4b0 [ 115.212303][ T5207] x20: ffff0000ddda97e8 x19: 1fffe0001bbb52fd x18: 0000000000000001 [ 115.214492][ T5207] x17: 0000000000000000 x16: ffff8000111a3970 x15: 00000000ffffffff [ 115.216658][ T5207] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 115.218885][ T5207] x11: 0000000000000000 x10: 0000000000000000 x9 : 673c160c98c2b400 [ 115.221120][ T5207] x8 : 673c160c98c2b400 x7 : 0000000000000001 x6 : 0000000000000001 [ 115.223247][ T5207] x5 : ffff800020767358 x4 : ffff80001422f280 x3 : ffff800008503848 [ 115.225476][ T5207] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 115.227620][ T5207] Call trace: [ 115.228547][ T5207] __btrfs_unlink_inode+0x908/0xb00 [ 115.230011][ T5207] btrfs_unlink+0x108/0x258 [ 115.231273][ T5207] vfs_unlink+0x2e0/0x4f4 [ 115.232454][ T5207] do_unlinkat+0x31c/0x600 [ 115.233632][ T5207] __arm64_sys_unlinkat+0xe0/0xfc [ 115.235023][ T5207] invoke_syscall+0x98/0x2b8 [ 115.236293][ T5207] el0_svc_common+0x138/0x258 [ 115.237575][ T5207] do_el0_svc+0x58/0x14c [ 115.238729][ T5207] el0_svc+0x78/0x1e0 [ 115.239801][ T5207] el0t_64_sync_handler+0xcc/0xe4 [ 115.241167][ T5207] el0t_64_sync+0x1a0/0x1a4 [ 115.242418][ T5207] irq event stamp: 80930 [ 115.243589][ T5207] hardirqs last enabled at (80929): [] __up_console_sem+0xb4/0x100 [ 115.246301][ T5207] hardirqs last disabled at (80930): [] el1_dbg+0x24/0x80 [ 115.248714][ T5207] softirqs last enabled at (80910): [] handle_softirqs+0xa4c/0xbf0 [ 115.251445][ T5207] softirqs last disabled at (80761): [] __irq_exit_rcu+0x240/0x440 [ 115.254081][ T5207] ---[ end trace 46cfa338bbe4cbcb ]--- [ 115.256668][ T5207] BTRFS: error (device loop0) in __btrfs_unlink_inode:4167: errno=-12 Out of memory [ 115.259330][ T5207] BTRFS info (device loop0): forced readonly [ 115.590768][ T5229] loop0: detected capacity change from 0 to 32768 [ 115.638285][ T5229] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.32 (5229) [ 115.650743][ T5229] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 115.653170][ T5229] BTRFS info (device loop0): using free space tree [ 115.654929][ T5229] BTRFS info (device loop0): has skinny extents [ 115.679170][ T5229] BTRFS info (device loop0): enabling ssd optimizations [ 115.686349][ T5229] FAULT_INJECTION: forcing a failure. [ 115.686349][ T5229] name failslab, interval 1, probability 0, space 0, times 0 [ 115.689795][ T5229] CPU: 0 PID: 5229 Comm: syz.0.32 Tainted: G W 5.15.181-syzkaller #0 [ 115.692379][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 115.695042][ T5229] Call trace: [ 115.695948][ T5229] dump_backtrace+0x0/0x43c [ 115.697256][ T5229] show_stack+0x2c/0x3c [ 115.698352][ T5229] __dump_stack+0x30/0x40 [ 115.699494][ T5229] dump_stack_lvl+0xf8/0x160 [ 115.700790][ T5229] dump_stack+0x1c/0x5c [ 115.701963][ T5229] should_fail+0x3c0/0x51c [ 115.703175][ T5229] __should_failslab+0xbc/0x10c [ 115.704450][ T5229] should_failslab+0x10/0x28 [ 115.705720][ T5229] slab_pre_alloc_hook+0x64/0xec [ 115.707053][ T5229] kmem_cache_alloc+0x94/0x3e4 [ 115.708371][ T5229] btrfs_alloc_path+0x5c/0x68 [ 115.709634][ T5229] __btrfs_unlink_inode+0x1d8/0xb00 [ 115.711068][ T5229] btrfs_unlink+0x108/0x258 [ 115.712297][ T5229] vfs_unlink+0x2e0/0x4f4 [ 115.713454][ T5229] do_unlinkat+0x31c/0x600 [ 115.714680][ T5229] __arm64_sys_unlinkat+0xe0/0xfc [ 115.716039][ T5229] invoke_syscall+0x98/0x2b8 [ 115.717356][ T5229] el0_svc_common+0x138/0x258 [ 115.718632][ T5229] do_el0_svc+0x58/0x14c [ 115.719826][ T5229] el0_svc+0x78/0x1e0 [ 115.720873][ T5229] el0t_64_sync_handler+0xcc/0xe4 [ 115.722266][ T5229] el0t_64_sync+0x1a0/0x1a4 [ 116.020923][ T5251] loop0: detected capacity change from 0 to 32768 [ 116.064448][ T5251] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.33 (5251) [ 116.073162][ T5251] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 116.075978][ T5251] BTRFS info (device loop0): using free space tree [ 116.077880][ T5251] BTRFS info (device loop0): has skinny extents [ 116.095559][ T5251] BTRFS info (device loop0): enabling ssd optimizations [ 116.102672][ T5251] FAULT_INJECTION: forcing a failure. [ 116.102672][ T5251] name failslab, interval 1, probability 0, space 0, times 0 [ 116.107401][ T5251] CPU: 1 PID: 5251 Comm: syz.0.33 Tainted: G W 5.15.181-syzkaller #0 [ 116.109903][ T5251] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 116.112547][ T5251] Call trace: [ 116.113438][ T5251] dump_backtrace+0x0/0x43c [ 116.114606][ T5251] show_stack+0x2c/0x3c [ 116.115735][ T5251] __dump_stack+0x30/0x40 [ 116.116899][ T5251] dump_stack_lvl+0xf8/0x160 [ 116.118136][ T5251] dump_stack+0x1c/0x5c [ 116.119304][ T5251] should_fail+0x3c0/0x51c [ 116.120472][ T5251] __should_failslab+0xbc/0x10c [ 116.121805][ T5251] should_failslab+0x10/0x28 [ 116.123038][ T5251] slab_pre_alloc_hook+0x64/0xec [ 116.124371][ T5251] kmem_cache_alloc_trace+0x98/0x3fc [ 116.125826][ T5251] btrfs_delete_delayed_dir_index+0x220/0x550 [ 116.127513][ T5251] __btrfs_unlink_inode+0x34c/0xb00 [ 116.128876][ T5251] btrfs_unlink+0x108/0x258 [ 116.130119][ T5251] vfs_unlink+0x2e0/0x4f4 [ 116.131264][ T5251] do_unlinkat+0x31c/0x600 [ 116.132463][ T5251] __arm64_sys_unlinkat+0xe0/0xfc [ 116.133851][ T5251] invoke_syscall+0x98/0x2b8 [ 116.135141][ T5251] el0_svc_common+0x138/0x258 [ 116.136407][ T5251] do_el0_svc+0x58/0x14c [ 116.137539][ T5251] el0_svc+0x78/0x1e0 [ 116.138589][ T5251] el0t_64_sync_handler+0xcc/0xe4 [ 116.139947][ T5251] el0t_64_sync+0x1a0/0x1a4 [ 116.142760][ T5251] ------------[ cut here ]------------ [ 116.144499][ T5251] WARNING: CPU: 1 PID: 5251 at fs/btrfs/inode.c:4167 __btrfs_unlink_inode+0x908/0xb00 [ 116.146998][ T5251] Modules linked in: [ 116.148031][ T5251] CPU: 1 PID: 5251 Comm: syz.0.33 Tainted: G W 5.15.181-syzkaller #0 [ 116.150563][ T5251] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 116.153306][ T5251] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 116.155389][ T5251] pc : __btrfs_unlink_inode+0x908/0xb00 [ 116.156939][ T5251] lr : __btrfs_unlink_inode+0x908/0xb00 [ 116.158466][ T5251] sp : ffff800020767a60 [ 116.159605][ T5251] x29: ffff800020767b10 x28: ffff0000d0784000 x27: ffff0000e175d010 [ 116.161745][ T5251] x26: 0000000000000100 x25: 00000000fffffff4 x24: ffff0000eb210790 [ 116.163965][ T5251] x23: 1ffff000040ecf54 x22: dfff800000000000 x21: ffff0000e14c75c0 [ 116.166185][ T5251] x20: ffff0000ddda6898 x19: 1fffe0001bbb4d13 x18: 0000000000000001 [ 116.168470][ T5251] x17: 0000000000000000 x16: ffff8000111a3970 x15: 00000000ffffffff [ 116.170733][ T5251] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 116.172895][ T5251] x11: 0000000000000000 x10: 0000000000000000 x9 : 561f4c5376ea4600 [ 116.175112][ T5251] x8 : 561f4c5376ea4600 x7 : 0000000000000001 x6 : 0000000000000001 [ 116.177419][ T5251] x5 : ffff800020767358 x4 : ffff80001422f280 x3 : ffff800008503848 [ 116.179608][ T5251] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 116.181887][ T5251] Call trace: [ 116.182788][ T5251] __btrfs_unlink_inode+0x908/0xb00 [ 116.184212][ T5251] btrfs_unlink+0x108/0x258 [ 116.185431][ T5251] vfs_unlink+0x2e0/0x4f4 [ 116.186661][ T5251] do_unlinkat+0x31c/0x600 [ 116.187882][ T5251] __arm64_sys_unlinkat+0xe0/0xfc [ 116.189273][ T5251] invoke_syscall+0x98/0x2b8 [ 116.190525][ T5251] el0_svc_common+0x138/0x258 [ 116.191847][ T5251] do_el0_svc+0x58/0x14c [ 116.193071][ T5251] el0_svc+0x78/0x1e0 [ 116.194224][ T5251] el0t_64_sync_handler+0xcc/0xe4 [ 116.195622][ T5251] el0t_64_sync+0x1a0/0x1a4 [ 116.196842][ T5251] irq event stamp: 80552 [ 116.197961][ T5251] hardirqs last enabled at (80551): [] __up_console_sem+0xb4/0x100 [ 116.200594][ T5251] hardirqs last disabled at (80552): [] el1_dbg+0x24/0x80 [ 116.202961][ T5251] softirqs last enabled at (80532): [] handle_softirqs+0xa4c/0xbf0 [ 116.205630][ T5251] softirqs last disabled at (80459): [] __irq_exit_rcu+0x240/0x440 [ 116.208208][ T5251] ---[ end trace 46cfa338bbe4cbcc ]--- [ 116.210054][ T5251] BTRFS: error (device loop0) in __btrfs_unlink_inode:4167: errno=-12 Out of memory [ 116.212594][ T5251] BTRFS info (device loop0): forced readonly