Warning: Permanently added '10.128.10.32' (ED25519) to the list of known hosts. 1970/01/01 00:01:33 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:01:33 ignoring optional flag "type"="gce" 1970/01/01 00:01:34 parsed 1 programs [ 96.850764][ T4420] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 98.721489][ T4477] chnl_net:caif_netlink_parms(): no params data found [ 98.758499][ T4477] bridge0: port 1(bridge_slave_0) entered blocking state [ 98.760599][ T4477] bridge0: port 1(bridge_slave_0) entered disabled state [ 98.764098][ T4477] device bridge_slave_0 entered promiscuous mode [ 98.767840][ T4477] bridge0: port 2(bridge_slave_1) entered blocking state [ 98.769816][ T4477] bridge0: port 2(bridge_slave_1) entered disabled state [ 98.772721][ T4477] device bridge_slave_1 entered promiscuous mode [ 98.790559][ T4477] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 98.795392][ T4477] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 98.811000][ T4477] team0: Port device team_slave_0 added [ 98.818563][ T4477] team0: Port device team_slave_1 added [ 98.833110][ T4477] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 98.835080][ T4477] 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. [ 98.842670][ T4477] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 98.846946][ T4477] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 98.848878][ T4477] 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. [ 98.856332][ T4477] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 98.913843][ T4477] device hsr_slave_0 entered promiscuous mode [ 98.972088][ T4477] device hsr_slave_1 entered promiscuous mode [ 99.857727][ T4477] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 99.893392][ T4477] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 99.933679][ T4477] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 99.992047][ T4477] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 100.142982][ T4477] 8021q: adding VLAN 0 to HW filter on device bond0 [ 100.157596][ T1634] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 100.160388][ T1634] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 100.166460][ T4477] 8021q: adding VLAN 0 to HW filter on device team0 [ 100.194785][ T1634] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 100.197689][ T1634] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 100.200368][ T1634] bridge0: port 1(bridge_slave_0) entered blocking state [ 100.202379][ T1634] bridge0: port 1(bridge_slave_0) entered forwarding state [ 100.207482][ T1634] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 100.210327][ T1634] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 100.214682][ T1634] bridge0: port 2(bridge_slave_1) entered blocking state [ 100.216753][ T1634] bridge0: port 2(bridge_slave_1) entered forwarding state [ 100.219230][ T1634] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 100.223402][ T1634] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 100.226561][ T1634] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 100.229613][ T1634] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 100.244195][ T1634] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 100.247452][ T1634] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 100.250132][ T1634] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 100.254949][ T1634] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 100.257875][ T1634] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 100.260705][ T1634] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 100.267501][ T1634] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 100.270450][ T1634] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 100.282321][ T4477] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 100.385281][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 100.387552][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 100.397690][ T4477] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 100.414492][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 100.418360][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 100.435620][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 100.438484][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 100.441443][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 100.445332][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 100.450285][ T4477] device veth0_vlan entered promiscuous mode [ 100.459339][ T4477] device veth1_vlan entered promiscuous mode [ 100.480322][ T4477] device veth0_macvtap entered promiscuous mode [ 100.484695][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 100.487902][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 100.490879][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 100.496501][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 100.501272][ T4477] device veth1_macvtap entered promiscuous mode [ 100.507017][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 100.509680][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 100.521196][ T4477] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 100.525176][ T1844] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 100.527953][ T1844] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 100.537471][ T4477] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 100.541319][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 100.545072][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 100.549222][ T4477] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 100.554170][ T4477] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 100.558320][ T4477] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 100.560766][ T4477] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 100.918027][ T1844] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 100.920377][ T1844] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 100.925357][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 100.950517][ T1844] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 100.953399][ T1844] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 100.956607][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:01:41 executed programs: 0 [ 101.830791][ T4667] chnl_net:caif_netlink_parms(): no params data found [ 101.874888][ T4667] bridge0: port 1(bridge_slave_0) entered blocking state [ 101.876902][ T4667] bridge0: port 1(bridge_slave_0) entered disabled state [ 101.879595][ T4667] device bridge_slave_0 entered promiscuous mode [ 101.884854][ T4667] bridge0: port 2(bridge_slave_1) entered blocking state [ 101.886938][ T4667] bridge0: port 2(bridge_slave_1) entered disabled state [ 101.889666][ T4667] device bridge_slave_1 entered promiscuous mode [ 101.918786][ T4667] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 101.927078][ T4667] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 101.947577][ T4667] team0: Port device team_slave_0 added [ 101.953586][ T4667] team0: Port device team_slave_1 added [ 101.970430][ T4667] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 101.973208][ T4667] 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. [ 101.989411][ T4667] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 101.995808][ T4667] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 101.997730][ T4667] 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. [ 102.008008][ T4667] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 102.073715][ T4667] device hsr_slave_0 entered promiscuous mode [ 102.092093][ T4667] device hsr_slave_1 entered promiscuous mode [ 102.124308][ T4667] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 102.126529][ T4667] Cannot create hsr debugfs directory [ 102.206206][ T4667] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 103.732014][ T4146] Bluetooth: hci0: command 0x0409 tx timeout [ 105.590221][ T4667] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 105.811921][ T4145] Bluetooth: hci0: command 0x041b tx timeout [ 106.088945][ T4667] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 106.141456][ T4667] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 106.315590][ T4667] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 106.355679][ T4667] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 106.394391][ T4667] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 106.454549][ T4667] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 106.589686][ T4667] 8021q: adding VLAN 0 to HW filter on device bond0 [ 106.597717][ T1634] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 106.600418][ T1634] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 106.607704][ T4667] 8021q: adding VLAN 0 to HW filter on device team0 [ 106.614056][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 106.616884][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 106.619533][ T153] bridge0: port 1(bridge_slave_0) entered blocking state [ 106.621503][ T153] bridge0: port 1(bridge_slave_0) entered forwarding state [ 106.624027][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 106.658071][ T1844] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 106.661263][ T1844] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 106.664392][ T1844] bridge0: port 2(bridge_slave_1) entered blocking state [ 106.666341][ T1844] bridge0: port 2(bridge_slave_1) entered forwarding state [ 106.672332][ T1863] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 106.677206][ T1634] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 106.684045][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 106.687565][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 106.690487][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 106.704407][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 106.707548][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 106.710377][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 106.714695][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 106.717429][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 106.720116][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 106.732004][ T4667] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 106.818923][ T1634] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 106.821080][ T1634] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 106.828799][ T4667] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 106.840100][ T1634] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 106.844045][ T1634] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 106.860177][ T1863] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 106.864188][ T1863] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 106.866975][ T1863] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 106.869427][ T1863] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 106.874416][ T4667] device veth0_vlan entered promiscuous mode [ 106.881300][ T4667] device veth1_vlan entered promiscuous mode [ 106.898968][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 106.903570][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 106.906256][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 106.908844][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 106.914206][ T4667] device veth0_macvtap entered promiscuous mode [ 106.918385][ T4667] device veth1_macvtap entered promiscuous mode [ 106.929306][ T4667] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 106.932679][ T4667] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 106.936411][ T4667] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 106.939079][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 106.942614][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 106.945297][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 106.948089][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 106.955136][ T4667] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 106.958040][ T4667] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 106.965753][ T4667] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 106.968120][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 106.970983][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 106.976126][ T4667] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 106.978555][ T4667] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 106.980981][ T4667] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 106.983605][ T4667] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 107.024798][ T1634] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 107.027002][ T1634] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 107.029870][ T1863] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 107.046134][ T153] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 107.048422][ T153] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 107.052223][ T1863] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:01:47 executed programs: 2 [ 107.276782][ T4876] loop0: detected capacity change from 0 to 32768 [ 107.316242][ T4876] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.15 (4876) [ 107.333755][ T4876] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 107.336781][ T4876] BTRFS info (device loop0): using free space tree [ 107.338626][ T4876] BTRFS info (device loop0): has skinny extents [ 107.364173][ T4876] BTRFS info (device loop0): enabling ssd optimizations [ 107.386744][ T4876] FAULT_INJECTION: forcing a failure. [ 107.386744][ T4876] name failslab, interval 1, probability 0, space 0, times 1 [ 107.390466][ T4876] CPU: 1 PID: 4876 Comm: syz.0.15 Not tainted 5.15.181-syzkaller #0 [ 107.392693][ T4876] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 107.395506][ T4876] Call trace: [ 107.396424][ T4876] dump_backtrace+0x0/0x43c [ 107.397709][ T4876] show_stack+0x2c/0x3c [ 107.398847][ T4876] __dump_stack+0x30/0x40 [ 107.400062][ T4876] dump_stack_lvl+0xf8/0x160 [ 107.401317][ T4876] dump_stack+0x1c/0x5c [ 107.402499][ T4876] should_fail+0x3c0/0x51c [ 107.403706][ T4876] __should_failslab+0xbc/0x10c [ 107.405099][ T4876] should_failslab+0x10/0x28 [ 107.406354][ T4876] slab_pre_alloc_hook+0x64/0xec [ 107.407737][ T4876] kmem_cache_alloc_trace+0x98/0x3fc [ 107.409224][ T4876] btrfs_delete_delayed_dir_index+0x220/0x550 [ 107.410893][ T4876] __btrfs_unlink_inode+0x34c/0xb00 [ 107.412310][ T4876] btrfs_unlink+0x108/0x258 [ 107.413552][ T4876] vfs_unlink+0x2e0/0x4f4 [ 107.414841][ T4876] do_unlinkat+0x31c/0x600 [ 107.416107][ T4876] __arm64_sys_unlinkat+0xe0/0xfc [ 107.417547][ T4876] invoke_syscall+0x98/0x2b8 [ 107.418843][ T4876] el0_svc_common+0x138/0x258 [ 107.420141][ T4876] do_el0_svc+0x58/0x14c [ 107.421333][ T4876] el0_svc+0x78/0x1e0 [ 107.422432][ T4876] el0t_64_sync_handler+0xcc/0xe4 [ 107.423898][ T4876] el0t_64_sync+0x1a0/0x1a4 [ 107.430636][ T4876] ------------[ cut here ]------------ [ 107.432537][ T4876] WARNING: CPU: 1 PID: 4876 at fs/btrfs/inode.c:4167 __btrfs_unlink_inode+0x908/0xb00 [ 107.435264][ T4876] Modules linked in: [ 107.436345][ T4876] CPU: 1 PID: 4876 Comm: syz.0.15 Not tainted 5.15.181-syzkaller #0 [ 107.438571][ T4876] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 107.441418][ T4876] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 107.443601][ T4876] pc : __btrfs_unlink_inode+0x908/0xb00 [ 107.445192][ T4876] lr : __btrfs_unlink_inode+0x908/0xb00 [ 107.446778][ T4876] sp : ffff80001bf17a60 [ 107.447965][ T4876] x29: ffff80001bf17b10 x28: ffff0000e62d8000 x27: ffff0000eb514010 [ 107.450277][ T4876] x26: 0000000000000100 x25: 00000000fffffff4 x24: ffff0000caac3e70 [ 107.452532][ T4876] x23: 1ffff000037e2f54 x22: dfff800000000000 x21: ffff0000e12793a0 [ 107.454756][ T4876] x20: ffff0000dde4a108 x19: 1fffe0001bbc9421 x18: 0000000000000001 [ 107.457112][ T4876] x17: 0000000000000000 x16: ffff8000111a3970 x15: 00000000ffffffff [ 107.459493][ T4876] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 107.461762][ T4876] x11: 0000000000000000 x10: 0000000000000000 x9 : 97daa8c0d5942500 [ 107.464001][ T4876] x8 : 97daa8c0d5942500 x7 : 0000000000000001 x6 : 0000000000000001 [ 107.466255][ T4876] x5 : ffff80001bf17358 x4 : ffff80001422f280 x3 : ffff800008503848 [ 107.468533][ T4876] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 107.470789][ T4876] Call trace: [ 107.471680][ T4876] __btrfs_unlink_inode+0x908/0xb00 [ 107.473185][ T4876] btrfs_unlink+0x108/0x258 [ 107.474441][ T4876] vfs_unlink+0x2e0/0x4f4 [ 107.475600][ T4876] do_unlinkat+0x31c/0x600 [ 107.476833][ T4876] __arm64_sys_unlinkat+0xe0/0xfc [ 107.478262][ T4876] invoke_syscall+0x98/0x2b8 [ 107.479627][ T4876] el0_svc_common+0x138/0x258 [ 107.480945][ T4876] do_el0_svc+0x58/0x14c [ 107.482128][ T4876] el0_svc+0x78/0x1e0 [ 107.483298][ T4876] el0t_64_sync_handler+0xcc/0xe4 [ 107.484707][ T4876] el0t_64_sync+0x1a0/0x1a4 [ 107.485960][ T4876] irq event stamp: 83014 [ 107.487096][ T4876] hardirqs last enabled at (83013): [] __up_console_sem+0xb4/0x100 [ 107.489894][ T4876] hardirqs last disabled at (83014): [] el1_dbg+0x24/0x80 [ 107.492354][ T4876] softirqs last enabled at (83004): [] handle_softirqs+0xa4c/0xbf0 [ 107.495035][ T4876] softirqs last disabled at (82993): [] __irq_exit_rcu+0x240/0x440 [ 107.497734][ T4876] ---[ end trace 8362ae1210de3d7e ]--- [ 107.501234][ T4876] BTRFS: error (device loop0) in __btrfs_unlink_inode:4167: errno=-12 Out of memory [ 107.504054][ T4876] BTRFS info (device loop0): forced readonly [ 107.890846][ T4900] loop0: detected capacity change from 0 to 32768 [ 107.902558][ T4896] Bluetooth: hci0: command 0x040f tx timeout [ 107.937041][ T4900] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.16 (4900) [ 107.955741][ T4900] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 107.958167][ T4900] BTRFS info (device loop0): using free space tree [ 107.960004][ T4900] BTRFS info (device loop0): has skinny extents [ 107.977053][ T4900] BTRFS info (device loop0): enabling ssd optimizations [ 107.985328][ T4900] FAULT_INJECTION: forcing a failure. [ 107.985328][ T4900] name failslab, interval 1, probability 0, space 0, times 0 [ 107.988923][ T4900] CPU: 0 PID: 4900 Comm: syz.0.16 Tainted: G W 5.15.181-syzkaller #0 [ 107.991484][ T4900] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 107.994286][ T4900] Call trace: [ 107.995198][ T4900] dump_backtrace+0x0/0x43c [ 107.996472][ T4900] show_stack+0x2c/0x3c [ 107.997681][ T4900] __dump_stack+0x30/0x40 [ 107.998879][ T4900] dump_stack_lvl+0xf8/0x160 [ 108.000122][ T4900] dump_stack+0x1c/0x5c [ 108.001271][ T4900] should_fail+0x3c0/0x51c [ 108.002486][ T4900] __should_failslab+0xbc/0x10c [ 108.003849][ T4900] should_failslab+0x10/0x28 [ 108.005144][ T4900] slab_pre_alloc_hook+0x64/0xec [ 108.006532][ T4900] kmem_cache_alloc+0x94/0x3e4 [ 108.007887][ T4900] btrfs_alloc_path+0x5c/0x68 [ 108.009189][ T4900] __btrfs_unlink_inode+0x1d8/0xb00 [ 108.010651][ T4900] btrfs_unlink+0x108/0x258 [ 108.011944][ T4900] vfs_unlink+0x2e0/0x4f4 [ 108.013155][ T4900] do_unlinkat+0x31c/0x600 [ 108.014377][ T4900] __arm64_sys_unlinkat+0xe0/0xfc [ 108.015783][ T4900] invoke_syscall+0x98/0x2b8 [ 108.017040][ T4900] el0_svc_common+0x138/0x258 [ 108.018374][ T4900] do_el0_svc+0x58/0x14c [ 108.019515][ T4900] el0_svc+0x78/0x1e0 [ 108.020621][ T4900] el0t_64_sync_handler+0xcc/0xe4 [ 108.022048][ T4900] el0t_64_sync+0x1a0/0x1a4 [ 108.340119][ T4922] loop0: detected capacity change from 0 to 32768 [ 108.456542][ T4922] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.17 (4922) [ 108.496232][ T4922] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 108.498815][ T4922] BTRFS info (device loop0): using free space tree [ 108.500603][ T4922] BTRFS info (device loop0): has skinny extents [ 108.519178][ T4922] BTRFS info (device loop0): enabling ssd optimizations [ 108.530126][ T4922] FAULT_INJECTION: forcing a failure. [ 108.530126][ T4922] name failslab, interval 1, probability 0, space 0, times 0 [ 108.535438][ T4922] CPU: 1 PID: 4922 Comm: syz.0.17 Tainted: G W 5.15.181-syzkaller #0 [ 108.537990][ T4922] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 108.540727][ T4922] Call trace: [ 108.541597][ T4922] dump_backtrace+0x0/0x43c [ 108.542943][ T4922] show_stack+0x2c/0x3c [ 108.544138][ T4922] __dump_stack+0x30/0x40 [ 108.545348][ T4922] dump_stack_lvl+0xf8/0x160 [ 108.546620][ T4922] dump_stack+0x1c/0x5c [ 108.547939][ T4922] should_fail+0x3c0/0x51c [ 108.549200][ T4922] __should_failslab+0xbc/0x10c [ 108.550549][ T4922] should_failslab+0x10/0x28 [ 108.551873][ T4922] slab_pre_alloc_hook+0x64/0xec [ 108.553235][ T4922] kmem_cache_alloc_trace+0x98/0x3fc [ 108.554778][ T4922] btrfs_delete_delayed_dir_index+0x220/0x550 [ 108.556509][ T4922] __btrfs_unlink_inode+0x34c/0xb00 [ 108.557990][ T4922] btrfs_unlink+0x108/0x258 [ 108.559267][ T4922] vfs_unlink+0x2e0/0x4f4 [ 108.560433][ T4922] do_unlinkat+0x31c/0x600 [ 108.561697][ T4922] __arm64_sys_unlinkat+0xe0/0xfc [ 108.563150][ T4922] invoke_syscall+0x98/0x2b8 [ 108.564464][ T4922] el0_svc_common+0x138/0x258 [ 108.565779][ T4922] do_el0_svc+0x58/0x14c [ 108.566998][ T4922] el0_svc+0x78/0x1e0 [ 108.568124][ T4922] el0t_64_sync_handler+0xcc/0xe4 [ 108.569564][ T4922] el0t_64_sync+0x1a0/0x1a4 [ 108.571149][ T4922] ------------[ cut here ]------------ [ 108.572945][ T4922] WARNING: CPU: 1 PID: 4922 at fs/btrfs/inode.c:4167 __btrfs_unlink_inode+0x908/0xb00 [ 108.575636][ T4922] Modules linked in: [ 108.576715][ T4922] CPU: 1 PID: 4922 Comm: syz.0.17 Tainted: G W 5.15.181-syzkaller #0 [ 108.579314][ T4922] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 108.582164][ T4922] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 108.584381][ T4922] pc : __btrfs_unlink_inode+0x908/0xb00 [ 108.585967][ T4922] lr : __btrfs_unlink_inode+0x908/0xb00 [ 108.587522][ T4922] sp : ffff80001ba27a60 [ 108.588689][ T4922] x29: ffff80001ba27b10 x28: ffff0000c03f8000 x27: ffff0000eb514410 [ 108.590998][ T4922] x26: 0000000000000100 x25: 00000000fffffff4 x24: ffff0000c7cd9d10 [ 108.593281][ T4922] x23: 1ffff00003744f54 x22: dfff800000000000 x21: ffff0000e127bae0 [ 108.595602][ T4922] x20: ffff0000dde4a3c8 x19: 1fffe0001bbc9479 x18: 0000000000000001 [ 108.597836][ T4922] x17: 0000000000000000 x16: ffff8000083007d8 x15: 00000000ffffffff [ 108.600130][ T4922] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 108.602467][ T4922] x11: 0000000000000000 x10: 0000000000000000 x9 : 7ca74734f18e7900 [ 108.604759][ T4922] x8 : 7ca74734f18e7900 x7 : 0000000000000001 x6 : 0000000000000001 [ 108.607057][ T4922] x5 : ffff80001ba27358 x4 : ffff80001422f280 x3 : ffff8000083008e8 [ 108.609370][ T4922] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 108.611679][ T4922] Call trace: [ 108.612637][ T4922] __btrfs_unlink_inode+0x908/0xb00 [ 108.614229][ T4922] btrfs_unlink+0x108/0x258 [ 108.615492][ T4922] vfs_unlink+0x2e0/0x4f4 [ 108.616787][ T4922] do_unlinkat+0x31c/0x600 [ 108.618108][ T4922] __arm64_sys_unlinkat+0xe0/0xfc [ 108.619521][ T4922] invoke_syscall+0x98/0x2b8 [ 108.620811][ T4922] el0_svc_common+0x138/0x258 [ 108.622088][ T4922] do_el0_svc+0x58/0x14c [ 108.623345][ T4922] el0_svc+0x78/0x1e0 [ 108.624465][ T4922] el0t_64_sync_handler+0xcc/0xe4 [ 108.625993][ T4922] el0t_64_sync+0x1a0/0x1a4 [ 108.627293][ T4922] irq event stamp: 80600 [ 108.628487][ T4922] hardirqs last enabled at (80599): [] __up_console_sem+0xb4/0x100 [ 108.631238][ T4922] hardirqs last disabled at (80600): [] el1_dbg+0x24/0x80 [ 108.633674][ T4922] softirqs last enabled at (80590): [] handle_softirqs+0xa4c/0xbf0 [ 108.636438][ T4922] softirqs last disabled at (80579): [] __irq_exit_rcu+0x240/0x440 [ 108.639214][ T4922] ---[ end trace 8362ae1210de3d7f ]--- [ 108.642360][ T4922] BTRFS: error (device loop0) in __btrfs_unlink_inode:4167: errno=-12 Out of memory [ 108.645015][ T4922] BTRFS info (device loop0): forced readonly [ 108.932767][ T4947] loop0: detected capacity change from 0 to 32768 [ 109.021848][ T4947] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.18 (4947) [ 109.040194][ T4947] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 109.043212][ T4947] BTRFS info (device loop0): using free space tree [ 109.045079][ T4947] BTRFS info (device loop0): has skinny extents [ 109.062150][ T4947] BTRFS info (device loop0): enabling ssd optimizations [ 109.069546][ T4947] FAULT_INJECTION: forcing a failure. [ 109.069546][ T4947] name failslab, interval 1, probability 0, space 0, times 0 [ 109.075119][ T4947] CPU: 1 PID: 4947 Comm: syz.0.18 Tainted: G W 5.15.181-syzkaller #0 [ 109.077753][ T4947] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 109.080665][ T4947] Call trace: [ 109.081614][ T4947] dump_backtrace+0x0/0x43c [ 109.083002][ T4947] show_stack+0x2c/0x3c [ 109.084144][ T4947] __dump_stack+0x30/0x40 [ 109.085345][ T4947] dump_stack_lvl+0xf8/0x160 [ 109.086703][ T4947] dump_stack+0x1c/0x5c [ 109.087830][ T4947] should_fail+0x3c0/0x51c [ 109.089019][ T4947] __should_failslab+0xbc/0x10c [ 109.090394][ T4947] should_failslab+0x10/0x28 [ 109.091734][ T4947] slab_pre_alloc_hook+0x64/0xec [ 109.093109][ T4947] kmem_cache_alloc_trace+0x98/0x3fc [ 109.094567][ T4947] btrfs_delete_delayed_dir_index+0x220/0x550 [ 109.096288][ T4947] __btrfs_unlink_inode+0x34c/0xb00 [ 109.097708][ T4947] btrfs_unlink+0x108/0x258 [ 109.099322][ T4947] vfs_unlink+0x2e0/0x4f4 [ 109.100493][ T4947] do_unlinkat+0x31c/0x600 [ 109.101688][ T4947] __arm64_sys_unlinkat+0xe0/0xfc [ 109.103065][ T4947] invoke_syscall+0x98/0x2b8 [ 109.104325][ T4947] el0_svc_common+0x138/0x258 [ 109.105635][ T4947] do_el0_svc+0x58/0x14c [ 109.106790][ T4947] el0_svc+0x78/0x1e0 [ 109.108201][ T4947] el0t_64_sync_handler+0xcc/0xe4 [ 109.109605][ T4947] el0t_64_sync+0x1a0/0x1a4 [ 109.115336][ T4947] ------------[ cut here ]------------ [ 109.117122][ T4947] WARNING: CPU: 1 PID: 4947 at fs/btrfs/inode.c:4167 __btrfs_unlink_inode+0x908/0xb00 [ 109.119753][ T4947] Modules linked in: [ 109.120796][ T4947] CPU: 1 PID: 4947 Comm: syz.0.18 Tainted: G W 5.15.181-syzkaller #0 [ 109.123521][ T4947] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 109.126358][ T4947] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 109.128555][ T4947] pc : __btrfs_unlink_inode+0x908/0xb00 [ 109.130125][ T4947] lr : __btrfs_unlink_inode+0x908/0xb00 [ 109.131669][ T4947] sp : ffff80001fbd7a60 [ 109.132872][ T4947] x29: ffff80001fbd7b10 x28: ffff0000ce3e0000 x27: ffff0000eb514810 [ 109.135135][ T4947] x26: 0000000000000100 x25: 00000000fffffff4 x24: ffff0000ebb7ac60 [ 109.137329][ T4947] x23: 1ffff00003f7af54 x22: dfff800000000000 x21: ffff0000e127e220 [ 109.139546][ T4947] x20: ffff0000dde4a528 x19: 1fffe0001bbc94a5 x18: 0000000000000001 [ 109.141841][ T4947] x17: 0000000000000000 x16: ffff8000111a3970 x15: 00000000ffffffff [ 109.144079][ T4947] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 109.146339][ T4947] x11: 0000000000000000 x10: 0000000000000000 x9 : 75671cb1b1385100 [ 109.148664][ T4947] x8 : 75671cb1b1385100 x7 : 0000000000000001 x6 : 0000000000000001 [ 109.150928][ T4947] x5 : ffff80001fbd7358 x4 : ffff80001422f280 x3 : ffff800008503848 [ 109.153199][ T4947] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 109.155395][ T4947] Call trace: [ 109.156384][ T4947] __btrfs_unlink_inode+0x908/0xb00 [ 109.157839][ T4947] btrfs_unlink+0x108/0x258 [ 109.159030][ T4947] vfs_unlink+0x2e0/0x4f4 [ 109.160191][ T4947] do_unlinkat+0x31c/0x600 [ 109.161419][ T4947] __arm64_sys_unlinkat+0xe0/0xfc [ 109.162816][ T4947] invoke_syscall+0x98/0x2b8 [ 109.164082][ T4947] el0_svc_common+0x138/0x258 [ 109.165365][ T4947] do_el0_svc+0x58/0x14c [ 109.166524][ T4947] el0_svc+0x78/0x1e0 [ 109.167629][ T4947] el0t_64_sync_handler+0xcc/0xe4 [ 109.169042][ T4947] el0t_64_sync+0x1a0/0x1a4 [ 109.170273][ T4947] irq event stamp: 81018 [ 109.171425][ T4947] hardirqs last enabled at (81017): [] __up_console_sem+0xb4/0x100 [ 109.174031][ T4947] hardirqs last disabled at (81018): [] el1_dbg+0x24/0x80 [ 109.176373][ T4947] softirqs last enabled at (80998): [] handle_softirqs+0xa4c/0xbf0 [ 109.179041][ T4947] softirqs last disabled at (80865): [] __irq_exit_rcu+0x240/0x440 [ 109.181710][ T4947] ---[ end trace 8362ae1210de3d80 ]--- [ 109.189572][ T4947] BTRFS: error (device loop0) in __btrfs_unlink_inode:4167: errno=-12 Out of memory [ 109.192247][ T4947] BTRFS info (device loop0): forced readonly [ 109.485905][ T4969] loop0: detected capacity change from 0 to 32768 [ 109.521700][ T136] device hsr_slave_0 left promiscuous mode [ 109.540465][ T4969] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.19 (4969) [ 109.556981][ T4969] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 109.559507][ T4969] BTRFS info (device loop0): using free space tree [ 109.561368][ T4969] BTRFS info (device loop0): has skinny extents [ 109.564054][ T136] device hsr_slave_1 left promiscuous mode [ 109.591458][ T4969] BTRFS info (device loop0): enabling ssd optimizations [ 109.599342][ T4969] FAULT_INJECTION: forcing a failure. [ 109.599342][ T4969] name failslab, interval 1, probability 0, space 0, times 0 [ 109.603273][ T4969] CPU: 0 PID: 4969 Comm: syz.0.19 Tainted: G W 5.15.181-syzkaller #0 [ 109.605952][ T4969] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 109.608725][ T4969] Call trace: [ 109.609656][ T4969] dump_backtrace+0x0/0x43c [ 109.610966][ T4969] show_stack+0x2c/0x3c [ 109.612170][ T4969] __dump_stack+0x30/0x40 [ 109.613407][ T4969] dump_stack_lvl+0xf8/0x160 [ 109.614674][ T4969] dump_stack+0x1c/0x5c [ 109.615816][ T4969] should_fail+0x3c0/0x51c [ 109.617134][ T4969] __should_failslab+0xbc/0x10c [ 109.618431][ T4969] should_failslab+0x10/0x28 [ 109.619670][ T4969] slab_pre_alloc_hook+0x64/0xec [ 109.621057][ T4969] kmem_cache_alloc_trace+0x98/0x3fc [ 109.622486][ T4969] btrfs_delete_delayed_dir_index+0x220/0x550 [ 109.624155][ T4969] __btrfs_unlink_inode+0x34c/0xb00 [ 109.625616][ T4969] btrfs_unlink+0x108/0x258 [ 109.626838][ T4969] vfs_unlink+0x2e0/0x4f4 [ 109.628066][ T4969] do_unlinkat+0x31c/0x600 [ 109.629297][ T4969] __arm64_sys_unlinkat+0xe0/0xfc [ 109.630686][ T4969] invoke_syscall+0x98/0x2b8 [ 109.632004][ T4969] el0_svc_common+0x138/0x258 [ 109.633414][ T4969] do_el0_svc+0x58/0x14c [ 109.634587][ T4969] el0_svc+0x78/0x1e0 [ 109.635761][ T4969] el0t_64_sync_handler+0xcc/0xe4 [ 109.637205][ T4969] el0t_64_sync+0x1a0/0x1a4 [ 109.638843][ T4969] ------------[ cut here ]------------ [ 109.640588][ T4969] WARNING: CPU: 0 PID: 4969 at fs/btrfs/inode.c:4167 __btrfs_unlink_inode+0x908/0xb00 [ 109.643183][ T4969] Modules linked in: [ 109.644282][ T4969] CPU: 0 PID: 4969 Comm: syz.0.19 Tainted: G W 5.15.181-syzkaller #0 [ 109.646893][ T4969] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 109.649680][ T4969] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 109.651904][ T4969] pc : __btrfs_unlink_inode+0x908/0xb00 [ 109.653451][ T4969] lr : __btrfs_unlink_inode+0x908/0xb00 [ 109.654988][ T4969] sp : ffff8000200e7a60 [ 109.656184][ T4969] x29: ffff8000200e7b10 x28: ffff0000da1e0000 x27: ffff0000eb540410 [ 109.658416][ T4969] x26: 0000000000000100 x25: 00000000fffffff4 x24: ffff0000ebbf7160 [ 109.660637][ T4969] x23: 1ffff0000401cf54 x22: dfff800000000000 x21: ffff0000e131bae0 [ 109.662878][ T4969] x20: ffff0000ddf75268 x19: 1fffe0001bbeea4d x18: 0000000000000001 [ 109.665135][ T4969] x17: 0000000000000000 x16: ffff8000083007d8 x15: 00000000ffffffff [ 109.667368][ T4969] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 109.669580][ T4969] x11: 0000000000000000 x10: 0000000000000000 x9 : 3def71ef13eaf600 [ 109.671907][ T4969] x8 : 3def71ef13eaf600 x7 : 0000000000000001 x6 : 0000000000000001 [ 109.674206][ T4969] x5 : ffff8000200e7358 x4 : ffff80001422f280 x3 : ffff8000083008e8 [ 109.676522][ T4969] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 109.678939][ T4969] Call trace: [ 109.679888][ T4969] __btrfs_unlink_inode+0x908/0xb00 [ 109.681410][ T4969] btrfs_unlink+0x108/0x258 [ 109.682745][ T4969] vfs_unlink+0x2e0/0x4f4 [ 109.683975][ T4969] do_unlinkat+0x31c/0x600 [ 109.685221][ T4969] __arm64_sys_unlinkat+0xe0/0xfc [ 109.686608][ T4969] invoke_syscall+0x98/0x2b8 [ 109.687920][ T4969] el0_svc_common+0x138/0x258 [ 109.689212][ T4969] do_el0_svc+0x58/0x14c [ 109.690348][ T4969] el0_svc+0x78/0x1e0 [ 109.691494][ T4969] el0t_64_sync_handler+0xcc/0xe4 [ 109.692892][ T4969] el0t_64_sync+0x1a0/0x1a4 [ 109.694165][ T4969] irq event stamp: 81168 [ 109.695423][ T4969] hardirqs last enabled at (81167): [] __up_console_sem+0xb4/0x100 [ 109.698092][ T4969] hardirqs last disabled at (81168): [] el1_dbg+0x24/0x80 [ 109.700487][ T4969] softirqs last enabled at (81148): [] handle_softirqs+0xa4c/0xbf0 [ 109.703128][ T4969] softirqs last disabled at (81107): [] __irq_exit_rcu+0x240/0x440 [ 109.705737][ T4969] ---[ end trace 8362ae1210de3d81 ]--- [ 109.707995][ T4969] BTRFS: error (device loop0) in __btrfs_unlink_inode:4167: errno=-12 Out of memory [ 109.710695][ T4969] BTRFS info (device loop0): forced readonly [ 109.712625][ T136] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 109.714644][ T136] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 109.717422][ T136] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 109.719639][ T136] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 109.726745][ T136] device bridge_slave_1 left promiscuous mode [ 109.735338][ T136] bridge0: port 2(bridge_slave_1) entered disabled state [ 109.773662][ T136] device bridge_slave_0 left promiscuous mode [ 109.775487][ T136] bridge0: port 1(bridge_slave_0) entered disabled state [ 109.871939][ T136] device veth1_macvtap left promiscuous mode [ 109.873715][ T136] device veth0_macvtap left promiscuous mode [ 109.875504][ T136] device veth1_vlan left promiscuous mode [ 109.877864][ T136] device veth0_vlan left promiscuous mode [ 109.974261][ T4898] Bluetooth: hci0: command 0x0419 tx timeout [ 110.139323][ T4991] loop0: detected capacity change from 0 to 32768 [ 110.149351][ T4991] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.20 (4991) [ 110.159580][ T4991] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 110.162907][ T4991] BTRFS info (device loop0): using free space tree [ 110.164947][ T4991] BTRFS info (device loop0): has skinny extents [ 110.169368][ T136] team0 (unregistering): Port device team_slave_1 removed [ 110.187653][ T136] team0 (unregistering): Port device team_slave_0 removed [ 110.199423][ T136] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 110.211156][ T4991] BTRFS info (device loop0): enabling ssd optimizations [ 110.221182][ T4991] FAULT_INJECTION: forcing a failure. [ 110.221182][ T4991] name failslab, interval 1, probability 0, space 0, times 0 [ 110.235893][ T4991] CPU: 1 PID: 4991 Comm: syz.0.20 Tainted: G W 5.15.181-syzkaller #0 [ 110.238509][ T4991] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 110.241325][ T4991] Call trace: [ 110.242218][ T4991] dump_backtrace+0x0/0x43c [ 110.243471][ T4991] show_stack+0x2c/0x3c [ 110.244615][ T4991] __dump_stack+0x30/0x40 [ 110.245859][ T4991] dump_stack_lvl+0xf8/0x160 [ 110.247141][ T4991] dump_stack+0x1c/0x5c [ 110.248296][ T4991] should_fail+0x3c0/0x51c [ 110.249557][ T4991] __should_failslab+0xbc/0x10c [ 110.250937][ T4991] should_failslab+0x10/0x28 [ 110.252241][ T4991] slab_pre_alloc_hook+0x64/0xec [ 110.253610][ T4991] kmem_cache_alloc_trace+0x98/0x3fc [ 110.255073][ T4991] btrfs_delete_delayed_dir_index+0x220/0x550 [ 110.256728][ T4991] __btrfs_unlink_inode+0x34c/0xb00 [ 110.258239][ T4991] btrfs_unlink+0x108/0x258 [ 110.259452][ T4991] vfs_unlink+0x2e0/0x4f4 [ 110.260699][ T4991] do_unlinkat+0x31c/0x600 [ 110.261932][ T4991] __arm64_sys_unlinkat+0xe0/0xfc [ 110.263328][ T4991] invoke_syscall+0x98/0x2b8 [ 110.264670][ T4991] el0_svc_common+0x138/0x258 [ 110.266027][ T4991] do_el0_svc+0x58/0x14c [ 110.267200][ T4991] el0_svc+0x78/0x1e0 [ 110.268328][ T4991] el0t_64_sync_handler+0xcc/0xe4 [ 110.269758][ T4991] el0t_64_sync+0x1a0/0x1a4 [ 110.274450][ T136] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 110.275313][ T4991] ------------[ cut here ]------------ [ 110.278469][ T4991] WARNING: CPU: 1 PID: 4991 at fs/btrfs/inode.c:4167 __btrfs_unlink_inode+0x908/0xb00 [ 110.280980][ T4991] Modules linked in: [ 110.282033][ T4991] CPU: 1 PID: 4991 Comm: syz.0.20 Tainted: G W 5.15.181-syzkaller #0 [ 110.284685][ T4991] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 110.287502][ T4991] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 110.289744][ T4991] pc : __btrfs_unlink_inode+0x908/0xb00 [ 110.291269][ T4991] lr : __btrfs_unlink_inode+0x908/0xb00 [ 110.292790][ T4991] sp : ffff800020097a60 [ 110.293962][ T4991] x29: ffff800020097b10 x28: ffff0000cf00c000 x27: ffff0000eb540810 [ 110.296184][ T4991] x26: 0000000000000100 x25: 00000000fffffff4 x24: ffff0000eb2ee2c0 [ 110.298344][ T4991] x23: 1ffff00004012f54 x22: dfff800000000000 x21: ffff0000e131d850 [ 110.300604][ T4991] x20: ffff0000ddf753c8 x19: 1fffe0001bbeea79 x18: 0000000000000001 [ 110.302844][ T4991] x17: 0000000000000000 x16: ffff8000111a3970 x15: 00000000ffffffff [ 110.305161][ T4991] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 110.307400][ T4991] x11: 0000000000000000 x10: 0000000000000000 x9 : 6bfe2f0da5af6200 [ 110.309692][ T4991] x8 : 6bfe2f0da5af6200 x7 : 0000000000000001 x6 : 0000000000000001 [ 110.311952][ T4991] x5 : ffff800020097358 x4 : ffff80001422f280 x3 : ffff800008503848 [ 110.314168][ T4991] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 110.316359][ T4991] Call trace: [ 110.317241][ T4991] __btrfs_unlink_inode+0x908/0xb00 [ 110.318667][ T4991] btrfs_unlink+0x108/0x258 [ 110.319943][ T4991] vfs_unlink+0x2e0/0x4f4 [ 110.321184][ T4991] do_unlinkat+0x31c/0x600 [ 110.322425][ T4991] __arm64_sys_unlinkat+0xe0/0xfc [ 110.323833][ T4991] invoke_syscall+0x98/0x2b8 [ 110.325137][ T4991] el0_svc_common+0x138/0x258 [ 110.326421][ T4991] do_el0_svc+0x58/0x14c [ 110.327612][ T4991] el0_svc+0x78/0x1e0 [ 110.328744][ T4991] el0t_64_sync_handler+0xcc/0xe4 [ 110.330113][ T4991] el0t_64_sync+0x1a0/0x1a4 [ 110.331397][ T4991] irq event stamp: 81364 [ 110.332513][ T4991] hardirqs last enabled at (81363): [] __up_console_sem+0xb4/0x100 [ 110.335135][ T4991] hardirqs last disabled at (81364): [] el1_dbg+0x24/0x80 [ 110.337704][ T4991] softirqs last enabled at (81342): [] handle_softirqs+0xa4c/0xbf0 [ 110.340407][ T4991] softirqs last disabled at (81281): [] __irq_exit_rcu+0x240/0x440 [ 110.342990][ T4991] ---[ end trace 8362ae1210de3d82 ]--- [ 110.347185][ T4991] BTRFS: error (device loop0) in __btrfs_unlink_inode:4167: errno=-12 Out of memory [ 110.349803][ T4991] BTRFS info (device loop0): forced readonly [ 110.558814][ T136] bond0 (unregistering): Released all slaves [ 110.660746][ T5015] loop0: detected capacity change from 0 to 32768 [ 110.704929][ T5015] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.21 (5015) [ 110.747062][ T5015] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 110.749578][ T5015] BTRFS info (device loop0): using free space tree [ 110.751383][ T5015] BTRFS info (device loop0): has skinny extents [ 110.774194][ T5015] BTRFS info (device loop0): enabling ssd optimizations [ 110.782351][ T5015] FAULT_INJECTION: forcing a failure. [ 110.782351][ T5015] name failslab, interval 1, probability 0, space 0, times 0 [ 110.786067][ T5015] CPU: 1 PID: 5015 Comm: syz.0.21 Tainted: G W 5.15.181-syzkaller #0 [ 110.788650][ T5015] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 110.791434][ T5015] Call trace: [ 110.792394][ T5015] dump_backtrace+0x0/0x43c [ 110.793705][ T5015] show_stack+0x2c/0x3c [ 110.794869][ T5015] __dump_stack+0x30/0x40 [ 110.796077][ T5015] dump_stack_lvl+0xf8/0x160 [ 110.797349][ T5015] dump_stack+0x1c/0x5c [ 110.798471][ T5015] should_fail+0x3c0/0x51c [ 110.799658][ T5015] __should_failslab+0xbc/0x10c [ 110.801074][ T5015] should_failslab+0x10/0x28 [ 110.802344][ T5015] slab_pre_alloc_hook+0x64/0xec [ 110.803699][ T5015] kmem_cache_alloc_trace+0x98/0x3fc [ 110.805151][ T5015] btrfs_delete_delayed_dir_index+0x220/0x550 [ 110.806904][ T5015] __btrfs_unlink_inode+0x34c/0xb00 [ 110.808370][ T5015] btrfs_unlink+0x108/0x258 [ 110.809678][ T5015] vfs_unlink+0x2e0/0x4f4 [ 110.810897][ T5015] do_unlinkat+0x31c/0x600 [ 110.812183][ T5015] __arm64_sys_unlinkat+0xe0/0xfc [ 110.813569][ T5015] invoke_syscall+0x98/0x2b8 [ 110.814881][ T5015] el0_svc_common+0x138/0x258 [ 110.816281][ T5015] do_el0_svc+0x58/0x14c [ 110.817441][ T5015] el0_svc+0x78/0x1e0 [ 110.818567][ T5015] el0t_64_sync_handler+0xcc/0xe4 [ 110.819972][ T5015] el0t_64_sync+0x1a0/0x1a4 [ 110.821531][ T5015] ------------[ cut here ]------------ [ 110.823295][ T5015] WARNING: CPU: 1 PID: 5015 at fs/btrfs/inode.c:4167 __btrfs_unlink_inode+0x908/0xb00 [ 110.825896][ T5015] Modules linked in: [ 110.826985][ T5015] CPU: 1 PID: 5015 Comm: syz.0.21 Tainted: G W 5.15.181-syzkaller #0 [ 110.829538][ T5015] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 110.832403][ T5015] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 110.834578][ T5015] pc : __btrfs_unlink_inode+0x908/0xb00 [ 110.836169][ T5015] lr : __btrfs_unlink_inode+0x908/0xb00 [ 110.837687][ T5015] sp : ffff800020097a60 [ 110.838874][ T5015] x29: ffff800020097b10 x28: ffff0000dc27a000 x27: ffff0000eb514c10 [ 110.841311][ T5015] x26: 0000000000000100 x25: 00000000fffffff4 x24: ffff0000cfe02f20 [ 110.843572][ T5015] x23: 1ffff00004012f54 x22: dfff800000000000 x21: ffff0000e13793a0 [ 110.845838][ T5015] x20: ffff0000dde4a688 x19: 1fffe0001bbc94d1 x18: 0000000000000001 [ 110.848194][ T5015] x17: 0000000000000000 x16: ffff8000083007d8 x15: 00000000ffffffff [ 110.850526][ T5015] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 110.852804][ T5015] x11: 0000000000000000 x10: 0000000000000000 x9 : 090ae44f996a8500 [ 110.854991][ T5015] x8 : 090ae44f996a8500 x7 : 0000000000000001 x6 : 0000000000000001 [ 110.857258][ T5015] x5 : ffff800020097358 x4 : ffff80001422f280 x3 : ffff8000083008e8 [ 110.859560][ T5015] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 110.861816][ T5015] Call trace: [ 110.862713][ T5015] __btrfs_unlink_inode+0x908/0xb00 [ 110.864188][ T5015] btrfs_unlink+0x108/0x258 [ 110.865584][ T5015] vfs_unlink+0x2e0/0x4f4 [ 110.866804][ T5015] do_unlinkat+0x31c/0x600 [ 110.868083][ T5015] __arm64_sys_unlinkat+0xe0/0xfc [ 110.869542][ T5015] invoke_syscall+0x98/0x2b8 [ 110.870886][ T5015] el0_svc_common+0x138/0x258 [ 110.872239][ T5015] do_el0_svc+0x58/0x14c [ 110.873466][ T5015] el0_svc+0x78/0x1e0 [ 110.874595][ T5015] el0t_64_sync_handler+0xcc/0xe4 [ 110.876025][ T5015] el0t_64_sync+0x1a0/0x1a4 [ 110.877377][ T5015] irq event stamp: 80346 [ 110.878570][ T5015] hardirqs last enabled at (80345): [] __up_console_sem+0xb4/0x100 [ 110.881262][ T5015] hardirqs last disabled at (80346): [] el1_dbg+0x24/0x80 [ 110.883789][ T5015] softirqs last enabled at (80324): [] handle_softirqs+0xa4c/0xbf0 [ 110.886597][ T5015] softirqs last disabled at (80307): [] __irq_exit_rcu+0x240/0x440 [ 110.889336][ T5015] ---[ end trace 8362ae1210de3d83 ]--- [ 110.892567][ T5015] BTRFS: error (device loop0) in __btrfs_unlink_inode:4167: errno=-12 Out of memory [ 110.895334][ T5015] BTRFS info (device loop0): forced readonly [ 111.195088][ T5037] loop0: detected capacity change from 0 to 32768 [ 111.250697][ T5037] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.22 (5037) [ 111.270516][ T5037] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 111.273364][ T5037] BTRFS info (device loop0): using free space tree [ 111.275150][ T5037] BTRFS info (device loop0): has skinny extents [ 111.293989][ T5037] BTRFS info (device loop0): enabling ssd optimizations [ 111.304235][ T5037] FAULT_INJECTION: forcing a failure. [ 111.304235][ T5037] name failslab, interval 1, probability 0, space 0, times 0 [ 111.307998][ T5037] CPU: 1 PID: 5037 Comm: syz.0.22 Tainted: G W 5.15.181-syzkaller #0 [ 111.310571][ T5037] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 111.313407][ T5037] Call trace: [ 111.314321][ T5037] dump_backtrace+0x0/0x43c [ 111.315590][ T5037] show_stack+0x2c/0x3c [ 111.316771][ T5037] __dump_stack+0x30/0x40 [ 111.317989][ T5037] dump_stack_lvl+0xf8/0x160 [ 111.319257][ T5037] dump_stack+0x1c/0x5c [ 111.320412][ T5037] should_fail+0x3c0/0x51c [ 111.321634][ T5037] __should_failslab+0xbc/0x10c [ 111.323007][ T5037] should_failslab+0x10/0x28 [ 111.324303][ T5037] slab_pre_alloc_hook+0x64/0xec [ 111.325696][ T5037] kmem_cache_alloc+0x94/0x3e4 [ 111.327104][ T5037] btrfs_alloc_path+0x5c/0x68 [ 111.328452][ T5037] __btrfs_unlink_inode+0x1d8/0xb00 [ 111.329878][ T5037] btrfs_unlink+0x108/0x258 [ 111.331143][ T5037] vfs_unlink+0x2e0/0x4f4 [ 111.332370][ T5037] do_unlinkat+0x31c/0x600 [ 111.333583][ T5037] __arm64_sys_unlinkat+0xe0/0xfc [ 111.335025][ T5037] invoke_syscall+0x98/0x2b8 [ 111.336310][ T5037] el0_svc_common+0x138/0x258 [ 111.337595][ T5037] do_el0_svc+0x58/0x14c [ 111.338792][ T5037] el0_svc+0x78/0x1e0 [ 111.339927][ T5037] el0t_64_sync_handler+0xcc/0xe4 [ 111.341298][ T5037] el0t_64_sync+0x1a0/0x1a4 [ 111.625625][ T5059] loop0: detected capacity change from 0 to 32768 [ 111.661050][ T5059] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.23 (5059) [ 111.667500][ T5059] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 111.670860][ T5059] BTRFS info (device loop0): using free space tree [ 111.673774][ T5059] BTRFS info (device loop0): has skinny extents [ 111.689103][ T5059] BTRFS info (device loop0): enabling ssd optimizations [ 111.697764][ T5059] FAULT_INJECTION: forcing a failure. [ 111.697764][ T5059] name failslab, interval 1, probability 0, space 0, times 0 [ 111.701393][ T5059] CPU: 0 PID: 5059 Comm: syz.0.23 Tainted: G W 5.15.181-syzkaller #0 [ 111.704008][ T5059] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 111.706747][ T5059] Call trace: [ 111.707668][ T5059] dump_backtrace+0x0/0x43c [ 111.708902][ T5059] show_stack+0x2c/0x3c [ 111.710022][ T5059] __dump_stack+0x30/0x40 [ 111.711168][ T5059] dump_stack_lvl+0xf8/0x160 [ 111.712384][ T5059] dump_stack+0x1c/0x5c [ 111.713527][ T5059] should_fail+0x3c0/0x51c [ 111.714744][ T5059] __should_failslab+0xbc/0x10c [ 111.716160][ T5059] should_failslab+0x10/0x28 [ 111.717414][ T5059] slab_pre_alloc_hook+0x64/0xec [ 111.718766][ T5059] kmem_cache_alloc_trace+0x98/0x3fc [ 111.720286][ T5059] btrfs_delete_delayed_dir_index+0x220/0x550 [ 111.722021][ T5059] __btrfs_unlink_inode+0x34c/0xb00 [ 111.723491][ T5059] btrfs_unlink+0x108/0x258 [ 111.724743][ T5059] vfs_unlink+0x2e0/0x4f4 [ 111.725980][ T5059] do_unlinkat+0x31c/0x600 [ 111.727257][ T5059] __arm64_sys_unlinkat+0xe0/0xfc [ 111.728688][ T5059] invoke_syscall+0x98/0x2b8 [ 111.729946][ T5059] el0_svc_common+0x138/0x258 [ 111.731287][ T5059] do_el0_svc+0x58/0x14c [ 111.732506][ T5059] el0_svc+0x78/0x1e0 [ 111.733574][ T5059] el0t_64_sync_handler+0xcc/0xe4 [ 111.734984][ T5059] el0t_64_sync+0x1a0/0x1a4 [ 111.736517][ T5059] ------------[ cut here ]------------ [ 111.738240][ T5059] WARNING: CPU: 0 PID: 5059 at fs/btrfs/inode.c:4167 __btrfs_unlink_inode+0x908/0xb00 [ 111.740949][ T5059] Modules linked in: [ 111.742019][ T5059] CPU: 0 PID: 5059 Comm: syz.0.23 Tainted: G W 5.15.181-syzkaller #0 [ 111.744671][ T5059] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 111.747479][ T5059] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 111.749716][ T5059] pc : __btrfs_unlink_inode+0x908/0xb00 [ 111.751388][ T5059] lr : __btrfs_unlink_inode+0x908/0xb00 [ 111.752933][ T5059] sp : ffff800020627a60 [ 111.754081][ T5059] x29: ffff800020627b10 x28: ffff0000d7bda000 x27: ffff0000eb540c10 [ 111.756380][ T5059] x26: 0000000000000100 x25: 00000000fffffff4 x24: ffff0000d09762c0 [ 111.758586][ T5059] x23: 1ffff000040c4f54 x22: dfff800000000000 x21: ffff0000ddfe0000 [ 111.760782][ T5059] x20: ffff0000ddf75528 x19: 1fffe0001bbeeaa5 x18: 0000000000000001 [ 111.763043][ T5059] x17: 0000000000000000 x16: ffff8000083007d8 x15: 00000000ffffffff [ 111.765214][ T5059] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 111.767445][ T5059] x11: 0000000000000000 x10: 0000000000000000 x9 : 5824e3e5e2ea9500 [ 111.769669][ T5059] x8 : 5824e3e5e2ea9500 x7 : 0000000000000001 x6 : 0000000000000001 [ 111.771863][ T5059] x5 : ffff800020627358 x4 : ffff80001422f280 x3 : ffff8000083008e8 [ 111.774217][ T5059] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 111.776442][ T5059] Call trace: [ 111.777370][ T5059] __btrfs_unlink_inode+0x908/0xb00 [ 111.778870][ T5059] btrfs_unlink+0x108/0x258 [ 111.780141][ T5059] vfs_unlink+0x2e0/0x4f4 [ 111.781316][ T5059] do_unlinkat+0x31c/0x600 [ 111.782540][ T5059] __arm64_sys_unlinkat+0xe0/0xfc [ 111.784001][ T5059] invoke_syscall+0x98/0x2b8 [ 111.785312][ T5059] el0_svc_common+0x138/0x258 [ 111.786633][ T5059] do_el0_svc+0x58/0x14c [ 111.787806][ T5059] el0_svc+0x78/0x1e0 [ 111.788985][ T5059] el0t_64_sync_handler+0xcc/0xe4 [ 111.790350][ T5059] el0t_64_sync+0x1a0/0x1a4 [ 111.791668][ T5059] irq event stamp: 80836 [ 111.792859][ T5059] hardirqs last enabled at (80835): [] __up_console_sem+0xb4/0x100 [ 111.795589][ T5059] hardirqs last disabled at (80836): [] el1_dbg+0x24/0x80 [ 111.798021][ T5059] softirqs last enabled at (80820): [] handle_softirqs+0xa4c/0xbf0 [ 111.800690][ T5059] softirqs last disabled at (80741): [] __irq_exit_rcu+0x240/0x440 [ 111.803400][ T5059] ---[ end trace 8362ae1210de3d84 ]--- [ 111.805421][ T5059] BTRFS: error (device loop0) in __btrfs_unlink_inode:4167: errno=-12 Out of memory [ 111.808214][ T5059] BTRFS info (device loop0): forced readonly [ 112.124681][ T5081] loop0: detected capacity change from 0 to 32768 [ 112.160042][ T5081] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.24 (5081) [ 112.180061][ T5081] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 112.183830][ T5081] BTRFS info (device loop0): using free space tree [ 112.185686][ T5081] BTRFS info (device loop0): has skinny extents [ 112.401681][ T5081] BTRFS info (device loop0): enabling ssd optimizations [ 112.417386][ T5081] FAULT_INJECTION: forcing a failure. [ 112.417386][ T5081] name failslab, interval 1, probability 0, space 0, times 0 [ 112.422538][ T5081] CPU: 1 PID: 5081 Comm: syz.0.24 Tainted: G W 5.15.181-syzkaller #0 [ 112.425147][ T5081] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 112.427844][ T5081] Call trace: [ 112.428791][ T5081] dump_backtrace+0x0/0x43c [ 112.430055][ T5081] show_stack+0x2c/0x3c [ 112.431189][ T5081] __dump_stack+0x30/0x40 [ 112.432354][ T5081] dump_stack_lvl+0xf8/0x160 [ 112.433679][ T5081] dump_stack+0x1c/0x5c [ 112.434870][ T5081] should_fail+0x3c0/0x51c [ 112.436060][ T5081] __should_failslab+0xbc/0x10c [ 112.437421][ T5081] should_failslab+0x10/0x28 [ 112.438720][ T5081] slab_pre_alloc_hook+0x64/0xec [ 112.440147][ T5081] kmem_cache_alloc_trace+0x98/0x3fc [ 112.441644][ T5081] btrfs_delete_delayed_dir_index+0x220/0x550 [ 112.443433][ T5081] __btrfs_unlink_inode+0x34c/0xb00 [ 112.444937][ T5081] btrfs_unlink+0x108/0x258 [ 112.446183][ T5081] vfs_unlink+0x2e0/0x4f4 [ 112.447409][ T5081] do_unlinkat+0x31c/0x600 [ 112.448692][ T5081] __arm64_sys_unlinkat+0xe0/0xfc [ 112.450271][ T5081] invoke_syscall+0x98/0x2b8 [ 112.451624][ T5081] el0_svc_common+0x138/0x258 [ 112.452948][ T5081] do_el0_svc+0x58/0x14c [ 112.454121][ T5081] el0_svc+0x78/0x1e0 [ 112.455258][ T5081] el0t_64_sync_handler+0xcc/0xe4 [ 112.456678][ T5081] el0t_64_sync+0x1a0/0x1a4 [ 112.519884][ T5081] ------------[ cut here ]------------ [ 112.522344][ T5081] WARNING: CPU: 0 PID: 5081 at fs/btrfs/inode.c:4167 __btrfs_unlink_inode+0x908/0xb00 [ 112.525139][ T5081] Modules linked in: [ 112.526242][ T5081] CPU: 0 PID: 5081 Comm: syz.0.24 Tainted: G W 5.15.181-syzkaller #0 [ 112.528795][ T5081] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 112.531585][ T5081] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 112.533759][ T5081] pc : __btrfs_unlink_inode+0x908/0xb00 [ 112.535331][ T5081] lr : __btrfs_unlink_inode+0x908/0xb00 [ 112.536924][ T5081] sp : ffff800020427a60 [ 112.538094][ T5081] x29: ffff800020427b10 x28: ffff0000d9d5c000 x27: ffff0000eb541010 [ 112.540347][ T5081] x26: 0000000000000100 x25: 00000000fffffff4 x24: ffff0000d3de8370 [ 112.542574][ T5081] x23: 1ffff00004084f54 x22: dfff800000000000 x21: ffff0000ddfe2740 [ 112.544847][ T5081] x20: ffff0000ddf75688 x19: 1fffe0001bbeead1 x18: 0000000000000001 [ 112.547145][ T5081] x17: 0000000000000000 x16: ffff8000111a3970 x15: 00000000ffffffff [ 112.549293][ T5081] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 112.551580][ T5081] x11: 0000000000000000 x10: 0000000000000000 x9 : 3367d0333dd7f700 [ 112.553830][ T5081] x8 : 3367d0333dd7f700 x7 : 0000000000000001 x6 : 0000000000000001 [ 112.556064][ T5081] x5 : ffff800020427358 x4 : ffff80001422f280 x3 : ffff800008503848 [ 112.558284][ T5081] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 112.560558][ T5081] Call trace: [ 112.561500][ T5081] __btrfs_unlink_inode+0x908/0xb00 [ 112.562961][ T5081] btrfs_unlink+0x108/0x258 [ 112.564213][ T5081] vfs_unlink+0x2e0/0x4f4 [ 112.565410][ T5081] do_unlinkat+0x31c/0x600 [ 112.566638][ T5081] __arm64_sys_unlinkat+0xe0/0xfc [ 112.568079][ T5081] invoke_syscall+0x98/0x2b8 [ 112.569444][ T5081] el0_svc_common+0x138/0x258 [ 112.570875][ T5081] do_el0_svc+0x58/0x14c [ 112.572083][ T5081] el0_svc+0x78/0x1e0 [ 112.573207][ T5081] el0t_64_sync_handler+0xcc/0xe4 [ 112.574605][ T5081] el0t_64_sync+0x1a0/0x1a4 [ 112.575912][ T5081] irq event stamp: 81274 [ 112.577141][ T5081] hardirqs last enabled at (81273): [] __up_console_sem+0xb4/0x100 [ 112.580109][ T5081] hardirqs last disabled at (81274): [] el1_dbg+0x24/0x80 [ 112.582604][ T5081] softirqs last enabled at (81262): [] handle_softirqs+0xa4c/0xbf0 [ 112.585305][ T5081] softirqs last disabled at (81163): [] __irq_exit_rcu+0x240/0x440 [ 112.587908][ T5081] ---[ end trace 8362ae1210de3d85 ]--- [ 112.590544][ T5081] BTRFS: error (device loop0) in __btrfs_unlink_inode:4167: errno=-12 Out of memory [ 112.601714][ T5081] BTRFS info (device loop0): forced readonly 1970/01/01 00:01:52 executed programs: 12 [ 113.103673][ T5104] loop0: detected capacity change from 0 to 32768 [ 113.152570][ T5104] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.25 (5104) [ 113.172511][ T5104] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 113.175100][ T5104] BTRFS info (device loop0): using free space tree [ 113.176843][ T5104] BTRFS info (device loop0): has skinny extents [ 113.335794][ T5104] BTRFS info (device loop0): enabling ssd optimizations [ 113.345737][ T5104] FAULT_INJECTION: forcing a failure. [ 113.345737][ T5104] name failslab, interval 1, probability 0, space 0, times 0 [ 113.349939][ T5104] CPU: 0 PID: 5104 Comm: syz.0.25 Tainted: G W 5.15.181-syzkaller #0 [ 113.352491][ T5104] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 113.355247][ T5104] Call trace: [ 113.356176][ T5104] dump_backtrace+0x0/0x43c [ 113.357476][ T5104] show_stack+0x2c/0x3c [ 113.358608][ T5104] __dump_stack+0x30/0x40 [ 113.359760][ T5104] dump_stack_lvl+0xf8/0x160 [ 113.361094][ T5104] dump_stack+0x1c/0x5c [ 113.362221][ T5104] should_fail+0x3c0/0x51c [ 113.363475][ T5104] __should_failslab+0xbc/0x10c [ 113.364838][ T5104] should_failslab+0x10/0x28 [ 113.366051][ T5104] slab_pre_alloc_hook+0x64/0xec [ 113.367416][ T5104] kmem_cache_alloc_trace+0x98/0x3fc [ 113.368896][ T5104] btrfs_delete_delayed_dir_index+0x220/0x550 [ 113.370554][ T5104] __btrfs_unlink_inode+0x34c/0xb00 [ 113.372031][ T5104] btrfs_unlink+0x108/0x258 [ 113.373259][ T5104] vfs_unlink+0x2e0/0x4f4 [ 113.374433][ T5104] do_unlinkat+0x31c/0x600 [ 113.375618][ T5104] __arm64_sys_unlinkat+0xe0/0xfc [ 113.377060][ T5104] invoke_syscall+0x98/0x2b8 [ 113.378308][ T5104] el0_svc_common+0x138/0x258 [ 113.379618][ T5104] do_el0_svc+0x58/0x14c [ 113.380786][ T5104] el0_svc+0x78/0x1e0 [ 113.381900][ T5104] el0t_64_sync_handler+0xcc/0xe4 [ 113.383285][ T5104] el0t_64_sync+0x1a0/0x1a4 [ 113.384705][ T5104] ------------[ cut here ]------------ [ 113.386338][ T5104] WARNING: CPU: 0 PID: 5104 at fs/btrfs/inode.c:4167 __btrfs_unlink_inode+0x908/0xb00 [ 113.388971][ T5104] Modules linked in: [ 113.390046][ T5104] CPU: 0 PID: 5104 Comm: syz.0.25 Tainted: G W 5.15.181-syzkaller #0 [ 113.392619][ T5104] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 113.395429][ T5104] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 113.397545][ T5104] pc : __btrfs_unlink_inode+0x908/0xb00 [ 113.399052][ T5104] lr : __btrfs_unlink_inode+0x908/0xb00 [ 113.400551][ T5104] sp : ffff80001fa17a60 [ 113.401734][ T5104] x29: ffff80001fa17b10 x28: ffff0000dba68000 x27: ffff0000eb541410 [ 113.403988][ T5104] x26: 0000000000000100 x25: 00000000fffffff4 x24: ffff0000e7981420 [ 113.406190][ T5104] x23: 1ffff00003f42f54 x22: dfff800000000000 x21: ffff0000ddfe4e80 [ 113.408412][ T5104] x20: ffff0000ddf757e8 x19: 1fffe0001bbeeafd x18: 0000000000000001 [ 113.410693][ T5104] x17: 0000000000000000 x16: ffff8000083007d8 x15: 00000000ffffffff [ 113.412907][ T5104] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 113.415123][ T5104] x11: 0000000000000000 x10: 0000000000000000 x9 : 7e2465a88e3b5500 [ 113.417308][ T5104] x8 : 7e2465a88e3b5500 x7 : 0000000000000001 x6 : 0000000000000001 [ 113.419539][ T5104] x5 : ffff80001fa17358 x4 : ffff80001422f280 x3 : ffff8000083008e8 [ 113.421862][ T5104] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 113.424058][ T5104] Call trace: [ 113.424948][ T5104] __btrfs_unlink_inode+0x908/0xb00 [ 113.426403][ T5104] btrfs_unlink+0x108/0x258 [ 113.427647][ T5104] vfs_unlink+0x2e0/0x4f4 [ 113.428871][ T5104] do_unlinkat+0x31c/0x600 [ 113.430094][ T5104] __arm64_sys_unlinkat+0xe0/0xfc [ 113.431523][ T5104] invoke_syscall+0x98/0x2b8 [ 113.432810][ T5104] el0_svc_common+0x138/0x258 [ 113.434162][ T5104] do_el0_svc+0x58/0x14c [ 113.435361][ T5104] el0_svc+0x78/0x1e0 [ 113.436445][ T5104] el0t_64_sync_handler+0xcc/0xe4 [ 113.437864][ T5104] el0t_64_sync+0x1a0/0x1a4 [ 113.439159][ T5104] irq event stamp: 80368 [ 113.440323][ T5104] hardirqs last enabled at (80367): [] __up_console_sem+0xb4/0x100 [ 113.443006][ T5104] hardirqs last disabled at (80368): [] el1_dbg+0x24/0x80 [ 113.445481][ T5104] softirqs last enabled at (80352): [] handle_softirqs+0xa4c/0xbf0 [ 113.448240][ T5104] softirqs last disabled at (80337): [] __irq_exit_rcu+0x240/0x440 [ 113.450897][ T5104] ---[ end trace 8362ae1210de3d86 ]--- [ 113.456293][ T5104] BTRFS: error (device loop0) in __btrfs_unlink_inode:4167: errno=-12 Out of memory [ 113.459134][ T5104] BTRFS info (device loop0): forced readonly [ 113.860201][ T5126] loop0: detected capacity change from 0 to 32768 [ 113.921011][ T5126] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.26 (5126) [ 113.931469][ T5126] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 113.936418][ T5126] BTRFS info (device loop0): using free space tree [ 113.938308][ T5126] BTRFS info (device loop0): has skinny extents [ 113.952907][ T5126] BTRFS info (device loop0): enabling ssd optimizations [ 113.960288][ T5126] FAULT_INJECTION: forcing a failure. [ 113.960288][ T5126] name failslab, interval 1, probability 0, space 0, times 0 [ 113.965827][ T5126] CPU: 1 PID: 5126 Comm: syz.0.26 Tainted: G W 5.15.181-syzkaller #0 [ 113.968452][ T5126] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 113.971505][ T5126] Call trace: [ 113.972401][ T5126] dump_backtrace+0x0/0x43c [ 113.973691][ T5126] show_stack+0x2c/0x3c [ 113.974884][ T5126] __dump_stack+0x30/0x40 [ 113.976130][ T5126] dump_stack_lvl+0xf8/0x160 [ 113.977445][ T5126] dump_stack+0x1c/0x5c [ 113.978613][ T5126] should_fail+0x3c0/0x51c [ 113.979839][ T5126] __should_failslab+0xbc/0x10c [ 113.981197][ T5126] should_failslab+0x10/0x28 [ 113.982504][ T5126] slab_pre_alloc_hook+0x64/0xec [ 113.983969][ T5126] kmem_cache_alloc_trace+0x98/0x3fc [ 113.985559][ T5126] btrfs_delete_delayed_dir_index+0x220/0x550 [ 113.987269][ T5126] __btrfs_unlink_inode+0x34c/0xb00 [ 113.988676][ T5126] btrfs_unlink+0x108/0x258 [ 113.990024][ T5126] vfs_unlink+0x2e0/0x4f4 [ 113.991192][ T5126] do_unlinkat+0x31c/0x600 [ 113.992440][ T5126] __arm64_sys_unlinkat+0xe0/0xfc [ 113.993862][ T5126] invoke_syscall+0x98/0x2b8 [ 113.995152][ T5126] el0_svc_common+0x138/0x258 [ 113.996491][ T5126] do_el0_svc+0x58/0x14c [ 113.997634][ T5126] el0_svc+0x78/0x1e0 [ 113.998811][ T5126] el0t_64_sync_handler+0xcc/0xe4 [ 114.000248][ T5126] el0t_64_sync+0x1a0/0x1a4 [ 114.003096][ T5126] ------------[ cut here ]------------ [ 114.004861][ T5126] WARNING: CPU: 1 PID: 5126 at fs/btrfs/inode.c:4167 __btrfs_unlink_inode+0x908/0xb00 [ 114.007481][ T5126] Modules linked in: [ 114.008646][ T5126] CPU: 1 PID: 5126 Comm: syz.0.26 Tainted: G W 5.15.181-syzkaller #0 [ 114.011258][ T5126] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 114.014011][ T5126] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 114.016246][ T5126] pc : __btrfs_unlink_inode+0x908/0xb00 [ 114.017776][ T5126] lr : __btrfs_unlink_inode+0x908/0xb00 [ 114.019359][ T5126] sp : ffff800020887a60 [ 114.020484][ T5126] x29: ffff800020887b10 x28: ffff0000c20d4000 x27: ffff0000eb514010 [ 114.022756][ T5126] x26: 0000000000000100 x25: 00000000fffffff4 x24: ffff0000c8d5ddc0 [ 114.025070][ T5126] x23: 1ffff00004110f54 x22: dfff800000000000 x21: ffff0000e137e220 [ 114.027358][ T5126] x20: ffff0000dde4a1b8 x19: 1fffe0001bbc9437 x18: 0000000000000001 [ 114.029657][ T5126] x17: 0000000000000000 x16: ffff8000111a3970 x15: 00000000ffffffff [ 114.031939][ T5126] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 114.034210][ T5126] x11: 0000000000000000 x10: 0000000000000000 x9 : 96240c26b7c9da00 [ 114.036492][ T5126] x8 : 96240c26b7c9da00 x7 : 0000000000000001 x6 : 0000000000000001 [ 114.038726][ T5126] x5 : ffff800020887358 x4 : ffff80001422f280 x3 : ffff800008503848 [ 114.041043][ T5126] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 114.043309][ T5126] Call trace: [ 114.044289][ T5126] __btrfs_unlink_inode+0x908/0xb00 [ 114.045773][ T5126] btrfs_unlink+0x108/0x258 [ 114.047060][ T5126] vfs_unlink+0x2e0/0x4f4 [ 114.048242][ T5126] do_unlinkat+0x31c/0x600 [ 114.049488][ T5126] __arm64_sys_unlinkat+0xe0/0xfc [ 114.050880][ T5126] invoke_syscall+0x98/0x2b8 [ 114.052158][ T5126] el0_svc_common+0x138/0x258 [ 114.053500][ T5126] do_el0_svc+0x58/0x14c [ 114.054654][ T5126] el0_svc+0x78/0x1e0 [ 114.055757][ T5126] el0t_64_sync_handler+0xcc/0xe4 [ 114.057181][ T5126] el0t_64_sync+0x1a0/0x1a4 [ 114.058463][ T5126] irq event stamp: 82596 [ 114.059730][ T5126] hardirqs last enabled at (82595): [] __up_console_sem+0xb4/0x100 [ 114.062436][ T5126] hardirqs last disabled at (82596): [] el1_dbg+0x24/0x80 [ 114.064985][ T5126] softirqs last enabled at (82576): [] handle_softirqs+0xa4c/0xbf0 [ 114.067639][ T5126] softirqs last disabled at (82499): [] __irq_exit_rcu+0x240/0x440 [ 114.070353][ T5126] ---[ end trace 8362ae1210de3d87 ]--- [ 114.072988][ T5126] BTRFS: error (device loop0) in __btrfs_unlink_inode:4167: errno=-12 Out of memory [ 114.075746][ T5126] BTRFS info (device loop0): forced readonly [ 114.411611][ T5148] loop0: detected capacity change from 0 to 32768 [ 114.471032][ T5148] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.27 (5148) [ 114.478888][ T5148] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 114.481454][ T5148] BTRFS info (device loop0): using free space tree [ 114.483504][ T5148] BTRFS info (device loop0): has skinny extents [ 114.502783][ T5148] BTRFS info (device loop0): enabling ssd optimizations [ 114.509595][ T5148] FAULT_INJECTION: forcing a failure. [ 114.509595][ T5148] name failslab, interval 1, probability 0, space 0, times 0 [ 114.514424][ T5148] CPU: 1 PID: 5148 Comm: syz.0.27 Tainted: G W 5.15.181-syzkaller #0 [ 114.516943][ T5148] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 114.519568][ T5148] Call trace: [ 114.520466][ T5148] dump_backtrace+0x0/0x43c [ 114.521697][ T5148] show_stack+0x2c/0x3c [ 114.522812][ T5148] __dump_stack+0x30/0x40 [ 114.524033][ T5148] dump_stack_lvl+0xf8/0x160 [ 114.525254][ T5148] dump_stack+0x1c/0x5c [ 114.526442][ T5148] should_fail+0x3c0/0x51c [ 114.527663][ T5148] __should_failslab+0xbc/0x10c [ 114.529006][ T5148] should_failslab+0x10/0x28 [ 114.530309][ T5148] slab_pre_alloc_hook+0x64/0xec [ 114.531631][ T5148] kmem_cache_alloc_trace+0x98/0x3fc [ 114.533078][ T5148] btrfs_delete_delayed_dir_index+0x220/0x550 [ 114.534761][ T5148] __btrfs_unlink_inode+0x34c/0xb00 [ 114.536210][ T5148] btrfs_unlink+0x108/0x258 [ 114.537412][ T5148] vfs_unlink+0x2e0/0x4f4 [ 114.538615][ T5148] do_unlinkat+0x31c/0x600 [ 114.539873][ T5148] __arm64_sys_unlinkat+0xe0/0xfc [ 114.541288][ T5148] invoke_syscall+0x98/0x2b8 [ 114.542577][ T5148] el0_svc_common+0x138/0x258 [ 114.543906][ T5148] do_el0_svc+0x58/0x14c [ 114.545059][ T5148] el0_svc+0x78/0x1e0 [ 114.546186][ T5148] el0t_64_sync_handler+0xcc/0xe4 [ 114.547611][ T5148] el0t_64_sync+0x1a0/0x1a4 [ 114.551590][ T5148] ------------[ cut here ]------------ [ 114.553359][ T5148] WARNING: CPU: 1 PID: 5148 at fs/btrfs/inode.c:4167 __btrfs_unlink_inode+0x908/0xb00 [ 114.555959][ T5148] Modules linked in: [ 114.556980][ T5148] CPU: 1 PID: 5148 Comm: syz.0.27 Tainted: G W 5.15.181-syzkaller #0 [ 114.559514][ T5148] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 114.562427][ T5148] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 114.564610][ T5148] pc : __btrfs_unlink_inode+0x908/0xb00 [ 114.566136][ T5148] lr : __btrfs_unlink_inode+0x908/0xb00 [ 114.567659][ T5148] sp : ffff800020a27a60 [ 114.568838][ T5148] x29: ffff800020a27b10 x28: ffff0000d8ddc000 x27: ffff0000eb515410 [ 114.571151][ T5148] x26: 0000000000000100 x25: 00000000fffffff4 x24: ffff0000cba30b00 [ 114.573494][ T5148] x23: 1ffff00004144f54 x22: dfff800000000000 x21: ffff0000e127bae0 [ 114.575751][ T5148] x20: ffff0000dde4a318 x19: 1fffe0001bbc9463 x18: 0000000000000001 [ 114.578016][ T5148] x17: 0000000000000000 x16: ffff8000111a3970 x15: 00000000ffffffff [ 114.580219][ T5148] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 114.582392][ T5148] x11: 0000000000000000 x10: 0000000000000000 x9 : 577684527cd81400 [ 114.584548][ T5148] x8 : 577684527cd81400 x7 : 0000000000000001 x6 : 0000000000000001 [ 114.586775][ T5148] x5 : ffff800020a27358 x4 : ffff80001422f280 x3 : ffff800008503848 [ 114.589046][ T5148] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 114.591233][ T5148] Call trace: [ 114.592144][ T5148] __btrfs_unlink_inode+0x908/0xb00 [ 114.593583][ T5148] btrfs_unlink+0x108/0x258 [ 114.594860][ T5148] vfs_unlink+0x2e0/0x4f4 [ 114.596057][ T5148] do_unlinkat+0x31c/0x600 [ 114.597312][ T5148] __arm64_sys_unlinkat+0xe0/0xfc [ 114.598679][ T5148] invoke_syscall+0x98/0x2b8 [ 114.599981][ T5148] el0_svc_common+0x138/0x258 [ 114.601271][ T5148] do_el0_svc+0x58/0x14c [ 114.602509][ T5148] el0_svc+0x78/0x1e0 [ 114.603649][ T5148] el0t_64_sync_handler+0xcc/0xe4 [ 114.605027][ T5148] el0t_64_sync+0x1a0/0x1a4 [ 114.606267][ T5148] irq event stamp: 80058 [ 114.607405][ T5148] hardirqs last enabled at (80057): [] __up_console_sem+0xb4/0x100 [ 114.610127][ T5148] hardirqs last disabled at (80058): [] el1_dbg+0x24/0x80 [ 114.612489][ T5148] softirqs last enabled at (80038): [] handle_softirqs+0xa4c/0xbf0 [ 114.615267][ T5148] softirqs last disabled at (79985): [] __irq_exit_rcu+0x240/0x440 [ 114.617869][ T5148] ---[ end trace 8362ae1210de3d88 ]--- [ 114.623319][ T5148] BTRFS: error (device loop0) in __btrfs_unlink_inode:4167: errno=-12 Out of memory [ 114.626303][ T5148] BTRFS info (device loop0): forced readonly [ 114.973403][ T5170] loop0: detected capacity change from 0 to 32768 [ 115.031658][ T5170] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.28 (5170) [ 115.043449][ T5170] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 115.045947][ T5170] BTRFS info (device loop0): using free space tree [ 115.047756][ T5170] BTRFS info (device loop0): has skinny extents [ 115.064946][ T5170] BTRFS info (device loop0): enabling ssd optimizations [ 115.071726][ T5170] FAULT_INJECTION: forcing a failure. [ 115.071726][ T5170] name failslab, interval 1, probability 0, space 0, times 0 [ 115.075287][ T5170] CPU: 0 PID: 5170 Comm: syz.0.28 Tainted: G W 5.15.181-syzkaller #0 [ 115.077938][ T5170] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 115.080668][ T5170] Call trace: [ 115.081551][ T5170] dump_backtrace+0x0/0x43c [ 115.082816][ T5170] show_stack+0x2c/0x3c [ 115.083972][ T5170] __dump_stack+0x30/0x40 [ 115.085269][ T5170] dump_stack_lvl+0xf8/0x160 [ 115.086638][ T5170] dump_stack+0x1c/0x5c [ 115.087788][ T5170] should_fail+0x3c0/0x51c [ 115.089053][ T5170] __should_failslab+0xbc/0x10c [ 115.090417][ T5170] should_failslab+0x10/0x28 [ 115.091676][ T5170] slab_pre_alloc_hook+0x64/0xec [ 115.093038][ T5170] kmem_cache_alloc_trace+0x98/0x3fc [ 115.094521][ T5170] btrfs_delete_delayed_dir_index+0x220/0x550 [ 115.096158][ T5170] __btrfs_unlink_inode+0x34c/0xb00 [ 115.097651][ T5170] btrfs_unlink+0x108/0x258 [ 115.098930][ T5170] vfs_unlink+0x2e0/0x4f4 [ 115.100181][ T5170] do_unlinkat+0x31c/0x600 [ 115.101374][ T5170] __arm64_sys_unlinkat+0xe0/0xfc [ 115.102797][ T5170] invoke_syscall+0x98/0x2b8 [ 115.104091][ T5170] el0_svc_common+0x138/0x258 [ 115.105367][ T5170] do_el0_svc+0x58/0x14c [ 115.106567][ T5170] el0_svc+0x78/0x1e0 [ 115.107684][ T5170] el0t_64_sync_handler+0xcc/0xe4 [ 115.109118][ T5170] el0t_64_sync+0x1a0/0x1a4 [ 115.110871][ T5170] ------------[ cut here ]------------ [ 115.112771][ T5170] WARNING: CPU: 0 PID: 5170 at fs/btrfs/inode.c:4167 __btrfs_unlink_inode+0x908/0xb00 [ 115.115475][ T5170] Modules linked in: [ 115.116535][ T5170] CPU: 0 PID: 5170 Comm: syz.0.28 Tainted: G W 5.15.181-syzkaller #0 [ 115.119138][ T5170] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 115.121806][ T5170] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 115.123965][ T5170] pc : __btrfs_unlink_inode+0x908/0xb00 [ 115.125549][ T5170] lr : __btrfs_unlink_inode+0x908/0xb00 [ 115.127127][ T5170] sp : ffff800020ce7a60 [ 115.128262][ T5170] x29: ffff800020ce7b10 x28: ffff0000dac46000 x27: ffff0000eb541810 [ 115.130438][ T5170] x26: 0000000000000100 x25: 00000000fffffff4 x24: ffff0000eaa962c0 [ 115.132691][ T5170] x23: 1ffff0000419cf54 x22: dfff800000000000 x21: ffff0000ddfe75c0 [ 115.134966][ T5170] x20: ffff0000ddf75948 x19: 1fffe0001bbeeb29 x18: 0000000000000001 [ 115.137267][ T5170] x17: 0000000000000000 x16: ffff8000083007d8 x15: 00000000ffffffff [ 115.139528][ T5170] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 115.141716][ T5170] x11: 0000000000000000 x10: 0000000000000000 x9 : 7e00ee5fac39b600 [ 115.143943][ T5170] x8 : 7e00ee5fac39b600 x7 : 0000000000000001 x6 : 0000000000000001 [ 115.146171][ T5170] x5 : ffff800020ce7358 x4 : ffff80001422f280 x3 : ffff8000083008e8 [ 115.148429][ T5170] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 115.150669][ T5170] Call trace: [ 115.151610][ T5170] __btrfs_unlink_inode+0x908/0xb00 [ 115.153063][ T5170] btrfs_unlink+0x108/0x258 [ 115.154275][ T5170] vfs_unlink+0x2e0/0x4f4 [ 115.155501][ T5170] do_unlinkat+0x31c/0x600 [ 115.156711][ T5170] __arm64_sys_unlinkat+0xe0/0xfc [ 115.158161][ T5170] invoke_syscall+0x98/0x2b8 [ 115.159404][ T5170] el0_svc_common+0x138/0x258 [ 115.160769][ T5170] do_el0_svc+0x58/0x14c [ 115.161957][ T5170] el0_svc+0x78/0x1e0 [ 115.163056][ T5170] el0t_64_sync_handler+0xcc/0xe4 [ 115.164567][ T5170] el0t_64_sync+0x1a0/0x1a4 [ 115.165869][ T5170] irq event stamp: 80128 [ 115.167051][ T5170] hardirqs last enabled at (80127): [] __up_console_sem+0xb4/0x100 [ 115.169847][ T5170] hardirqs last disabled at (80128): [] el1_dbg+0x24/0x80 [ 115.172249][ T5170] softirqs last enabled at (80118): [] handle_softirqs+0xa4c/0xbf0 [ 115.174960][ T5170] softirqs last disabled at (80039): [] __irq_exit_rcu+0x240/0x440 [ 115.177651][ T5170] ---[ end trace 8362ae1210de3d89 ]--- [ 115.179954][ T5170] BTRFS: error (device loop0) in __btrfs_unlink_inode:4167: errno=-12 Out of memory [ 115.182663][ T5170] BTRFS info (device loop0): forced readonly [ 115.455512][ T5192] loop0: detected capacity change from 0 to 32768 [ 115.493845][ T5192] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.29 (5192) [ 115.534154][ T5192] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 115.536835][ T5192] BTRFS info (device loop0): using free space tree [ 115.538637][ T5192] BTRFS info (device loop0): has skinny extents [ 115.557370][ T5192] BTRFS info (device loop0): enabling ssd optimizations [ 115.565263][ T5192] FAULT_INJECTION: forcing a failure. [ 115.565263][ T5192] name failslab, interval 1, probability 0, space 0, times 0 [ 115.568854][ T5192] CPU: 1 PID: 5192 Comm: syz.0.29 Tainted: G W 5.15.181-syzkaller #0 [ 115.571498][ T5192] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 115.574352][ T5192] Call trace: [ 115.575255][ T5192] dump_backtrace+0x0/0x43c [ 115.576567][ T5192] show_stack+0x2c/0x3c [ 115.577727][ T5192] __dump_stack+0x30/0x40 [ 115.578914][ T5192] dump_stack_lvl+0xf8/0x160 [ 115.580219][ T5192] dump_stack+0x1c/0x5c [ 115.581366][ T5192] should_fail+0x3c0/0x51c [ 115.582582][ T5192] __should_failslab+0xbc/0x10c [ 115.583955][ T5192] should_failslab+0x10/0x28 [ 115.585213][ T5192] slab_pre_alloc_hook+0x64/0xec [ 115.586582][ T5192] kmem_cache_alloc_trace+0x98/0x3fc [ 115.588047][ T5192] btrfs_delete_delayed_dir_index+0x220/0x550 [ 115.589715][ T5192] __btrfs_unlink_inode+0x34c/0xb00 [ 115.591181][ T5192] btrfs_unlink+0x108/0x258 [ 115.592410][ T5192] vfs_unlink+0x2e0/0x4f4 [ 115.593591][ T5192] do_unlinkat+0x31c/0x600 [ 115.594898][ T5192] __arm64_sys_unlinkat+0xe0/0xfc [ 115.596282][ T5192] invoke_syscall+0x98/0x2b8 [ 115.597563][ T5192] el0_svc_common+0x138/0x258 [ 115.598922][ T5192] do_el0_svc+0x58/0x14c [ 115.600132][ T5192] el0_svc+0x78/0x1e0 [ 115.601261][ T5192] el0t_64_sync_handler+0xcc/0xe4 [ 115.602649][ T5192] el0t_64_sync+0x1a0/0x1a4 [ 115.608190][ T5192] ------------[ cut here ]------------ [ 115.609973][ T5192] WARNING: CPU: 1 PID: 5192 at fs/btrfs/inode.c:4167 __btrfs_unlink_inode+0x908/0xb00 [ 115.612589][ T5192] Modules linked in: [ 115.613722][ T5192] CPU: 1 PID: 5192 Comm: syz.0.29 Tainted: G W 5.15.181-syzkaller #0 [ 115.616325][ T5192] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 115.619112][ T5192] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 115.621291][ T5192] pc : __btrfs_unlink_inode+0x908/0xb00 [ 115.622865][ T5192] lr : __btrfs_unlink_inode+0x908/0xb00 [ 115.624388][ T5192] sp : ffff8000209a7a60 [ 115.625537][ T5192] x29: ffff8000209a7b10 x28: ffff0000dc816000 x27: ffff0000eb514810 [ 115.627761][ T5192] x26: 0000000000000100 x25: 00000000fffffff4 x24: ffff0000c2697840 [ 115.629960][ T5192] x23: 1ffff00004134f54 x22: dfff800000000000 x21: ffff0000e127e220 [ 115.632107][ T5192] x20: ffff0000dde4a478 x19: 1fffe0001bbc948f x18: 0000000000000001 [ 115.634273][ T5192] x17: 0000000000000000 x16: ffff8000111a3970 x15: 00000000ffffffff [ 115.636508][ T5192] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 115.638776][ T5192] x11: 0000000000000000 x10: 0000000000000000 x9 : 5c48fae4ccad4900 [ 115.641092][ T5192] x8 : 5c48fae4ccad4900 x7 : 0000000000000001 x6 : 0000000000000001 [ 115.643295][ T5192] x5 : ffff8000209a7358 x4 : ffff80001422f280 x3 : ffff800008503848 [ 115.645577][ T5192] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 115.647723][ T5192] Call trace: [ 115.648626][ T5192] __btrfs_unlink_inode+0x908/0xb00 [ 115.650094][ T5192] btrfs_unlink+0x108/0x258 [ 115.651339][ T5192] vfs_unlink+0x2e0/0x4f4 [ 115.652589][ T5192] do_unlinkat+0x31c/0x600 [ 115.653848][ T5192] __arm64_sys_unlinkat+0xe0/0xfc [ 115.655300][ T5192] invoke_syscall+0x98/0x2b8 [ 115.656547][ T5192] el0_svc_common+0x138/0x258 [ 115.657831][ T5192] do_el0_svc+0x58/0x14c [ 115.659034][ T5192] el0_svc+0x78/0x1e0 [ 115.660130][ T5192] el0t_64_sync_handler+0xcc/0xe4 [ 115.661486][ T5192] el0t_64_sync+0x1a0/0x1a4 [ 115.662747][ T5192] irq event stamp: 79994 [ 115.663916][ T5192] hardirqs last enabled at (79993): [] __up_console_sem+0xb4/0x100 [ 115.666577][ T5192] hardirqs last disabled at (79994): [] el1_dbg+0x24/0x80 [ 115.669044][ T5192] softirqs last enabled at (79974): [] handle_softirqs+0xa4c/0xbf0 [ 115.671639][ T5192] softirqs last disabled at (79885): [] __irq_exit_rcu+0x240/0x440 [ 115.674299][ T5192] ---[ end trace 8362ae1210de3d8a ]--- [ 115.679815][ T5192] BTRFS: error (device loop0) in __btrfs_unlink_inode:4167: errno=-12 Out of memory [ 115.682625][ T5192] BTRFS info (device loop0): forced readonly [ 115.964401][ T5214] loop0: detected capacity change from 0 to 32768 [ 116.022216][ T5214] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.30 (5214) [ 116.033464][ T5214] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 116.035942][ T5214] BTRFS info (device loop0): using free space tree [ 116.037683][ T5214] BTRFS info (device loop0): has skinny extents [ 116.061309][ T5214] BTRFS info (device loop0): enabling ssd optimizations [ 116.070435][ T5214] FAULT_INJECTION: forcing a failure. [ 116.070435][ T5214] name failslab, interval 1, probability 0, space 0, times 0 [ 116.074233][ T5214] CPU: 0 PID: 5214 Comm: syz.0.30 Tainted: G W 5.15.181-syzkaller #0 [ 116.076881][ T5214] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 116.079679][ T5214] Call trace: [ 116.080575][ T5214] dump_backtrace+0x0/0x43c [ 116.081812][ T5214] show_stack+0x2c/0x3c [ 116.082954][ T5214] __dump_stack+0x30/0x40 [ 116.084172][ T5214] dump_stack_lvl+0xf8/0x160 [ 116.085396][ T5214] dump_stack+0x1c/0x5c [ 116.086553][ T5214] should_fail+0x3c0/0x51c [ 116.087780][ T5214] __should_failslab+0xbc/0x10c [ 116.089134][ T5214] should_failslab+0x10/0x28 [ 116.090393][ T5214] slab_pre_alloc_hook+0x64/0xec [ 116.091751][ T5214] kmem_cache_alloc_trace+0x98/0x3fc [ 116.093208][ T5214] btrfs_delete_delayed_dir_index+0x220/0x550 [ 116.094908][ T5214] __btrfs_unlink_inode+0x34c/0xb00 [ 116.096410][ T5214] btrfs_unlink+0x108/0x258 [ 116.097668][ T5214] vfs_unlink+0x2e0/0x4f4 [ 116.098887][ T5214] do_unlinkat+0x31c/0x600 [ 116.100097][ T5214] __arm64_sys_unlinkat+0xe0/0xfc [ 116.101451][ T5214] invoke_syscall+0x98/0x2b8 [ 116.102710][ T5214] el0_svc_common+0x138/0x258 [ 116.104004][ T5214] do_el0_svc+0x58/0x14c [ 116.105229][ T5214] el0_svc+0x78/0x1e0 [ 116.106365][ T5214] el0t_64_sync_handler+0xcc/0xe4 [ 116.107750][ T5214] el0t_64_sync+0x1a0/0x1a4 [ 116.111471][ T5214] ------------[ cut here ]------------ [ 116.113319][ T5214] WARNING: CPU: 0 PID: 5214 at fs/btrfs/inode.c:4167 __btrfs_unlink_inode+0x908/0xb00 [ 116.115883][ T5214] Modules linked in: [ 116.116947][ T5214] CPU: 0 PID: 5214 Comm: syz.0.30 Tainted: G W 5.15.181-syzkaller #0 [ 116.119451][ T5214] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 116.122265][ T5214] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 116.124416][ T5214] pc : __btrfs_unlink_inode+0x908/0xb00 [ 116.125930][ T5214] lr : __btrfs_unlink_inode+0x908/0xb00 [ 116.127414][ T5214] sp : ffff800020d77a60 [ 116.128548][ T5214] x29: ffff800020d77b10 x28: ffff0000d16b4000 x27: ffff0000eb540410 [ 116.130812][ T5214] x26: 0000000000000100 x25: 00000000fffffff4 x24: ffff0000c9367d10 [ 116.133043][ T5214] x23: 1ffff000041aef54 x22: dfff800000000000 x21: ffff0000e131bae0 [ 116.135351][ T5214] x20: ffff0000ddf751b8 x19: 1fffe0001bbeea37 x18: 0000000000000001 [ 116.137650][ T5214] x17: 0000000000000000 x16: ffff8000111a3970 x15: 00000000ffffffff [ 116.139912][ T5214] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 116.142206][ T5214] x11: 0000000000000000 x10: 0000000000000000 x9 : 2f5860375455ec00 [ 116.144503][ T5214] x8 : 2f5860375455ec00 x7 : 0000000000000001 x6 : 0000000000000001 [ 116.146802][ T5214] x5 : ffff800020d77358 x4 : ffff80001422f280 x3 : ffff800008503848 [ 116.149108][ T5214] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 116.151414][ T5214] Call trace: [ 116.152361][ T5214] __btrfs_unlink_inode+0x908/0xb00 [ 116.153818][ T5214] btrfs_unlink+0x108/0x258 [ 116.155146][ T5214] vfs_unlink+0x2e0/0x4f4 [ 116.156381][ T5214] do_unlinkat+0x31c/0x600 [ 116.157682][ T5214] __arm64_sys_unlinkat+0xe0/0xfc [ 116.159106][ T5214] invoke_syscall+0x98/0x2b8 [ 116.160446][ T5214] el0_svc_common+0x138/0x258 [ 116.161763][ T5214] do_el0_svc+0x58/0x14c [ 116.162960][ T5214] el0_svc+0x78/0x1e0 [ 116.164140][ T5214] el0t_64_sync_handler+0xcc/0xe4 [ 116.165608][ T5214] el0t_64_sync+0x1a0/0x1a4 [ 116.166874][ T5214] irq event stamp: 80672 [ 116.168069][ T5214] hardirqs last enabled at (80671): [] __up_console_sem+0xb4/0x100 [ 116.170859][ T5214] hardirqs last disabled at (80672): [] el1_dbg+0x24/0x80 [ 116.173297][ T5214] softirqs last enabled at (80662): [] handle_softirqs+0xa4c/0xbf0 [ 116.175954][ T5214] softirqs last disabled at (80653): [] __irq_exit_rcu+0x240/0x440 [ 116.178733][ T5214] ---[ end trace 8362ae1210de3d8b ]--- [ 116.181925][ T5214] BTRFS: error (device loop0) in __btrfs_unlink_inode:4167: errno=-12 Out of memory [ 116.184692][ T5214] BTRFS info (device loop0): forced readonly [ 116.520708][ T5236] loop0: detected capacity change from 0 to 32768 [ 116.569920][ T5236] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.31 (5236) [ 116.578598][ T5236] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 116.581127][ T5236] BTRFS info (device loop0): using free space tree [ 116.583148][ T5236] BTRFS info (device loop0): has skinny extents [ 116.602073][ T5236] BTRFS info (device loop0): enabling ssd optimizations [ 116.609857][ T5236] FAULT_INJECTION: forcing a failure. [ 116.609857][ T5236] name failslab, interval 1, probability 0, space 0, times 0 [ 116.613852][ T5236] CPU: 1 PID: 5236 Comm: syz.0.31 Tainted: G W 5.15.181-syzkaller #0 [ 116.616376][ T5236] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 116.619140][ T5236] Call trace: [ 116.619980][ T5236] dump_backtrace+0x0/0x43c [ 116.621245][ T5236] show_stack+0x2c/0x3c [ 116.622391][ T5236] __dump_stack+0x30/0x40 [ 116.623588][ T5236] dump_stack_lvl+0xf8/0x160 [ 116.624856][ T5236] dump_stack+0x1c/0x5c [ 116.625984][ T5236] should_fail+0x3c0/0x51c [ 116.627208][ T5236] __should_failslab+0xbc/0x10c [ 116.628540][ T5236] should_failslab+0x10/0x28 [ 116.629809][ T5236] slab_pre_alloc_hook+0x64/0xec [ 116.631192][ T5236] kmem_cache_alloc_trace+0x98/0x3fc [ 116.632673][ T5236] btrfs_delete_delayed_dir_index+0x220/0x550 [ 116.634379][ T5236] __btrfs_unlink_inode+0x34c/0xb00 [ 116.635841][ T5236] btrfs_unlink+0x108/0x258 [ 116.637116][ T5236] vfs_unlink+0x2e0/0x4f4 [ 116.638340][ T5236] do_unlinkat+0x31c/0x600 [ 116.639564][ T5236] __arm64_sys_unlinkat+0xe0/0xfc [ 116.641031][ T5236] invoke_syscall+0x98/0x2b8 [ 116.642313][ T5236] el0_svc_common+0x138/0x258 [ 116.643662][ T5236] do_el0_svc+0x58/0x14c [ 116.644832][ T5236] el0_svc+0x78/0x1e0 [ 116.645925][ T5236] el0t_64_sync_handler+0xcc/0xe4 [ 116.647327][ T5236] el0t_64_sync+0x1a0/0x1a4 [ 116.648783][ T5236] ------------[ cut here ]------------ [ 116.650467][ T5236] WARNING: CPU: 1 PID: 5236 at fs/btrfs/inode.c:4167 __btrfs_unlink_inode+0x908/0xb00 [ 116.653208][ T5236] Modules linked in: [ 116.654271][ T5236] CPU: 1 PID: 5236 Comm: syz.0.31 Tainted: G W 5.15.181-syzkaller #0 [ 116.656891][ T5236] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 116.659641][ T5236] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 116.661784][ T5236] pc : __btrfs_unlink_inode+0x908/0xb00 [ 116.663323][ T5236] lr : __btrfs_unlink_inode+0x908/0xb00 [ 116.664865][ T5236] sp : ffff800020f07a60 [ 116.666028][ T5236] x29: ffff800020f07b10 x28: ffff0000d2882000 x27: ffff0000eb515810 [ 116.668260][ T5236] x26: 0000000000000100 x25: 00000000fffffff4 x24: ffff0000ebbf7e70 [ 116.670543][ T5236] x23: 1ffff000041e0f54 x22: dfff800000000000 x21: ffff0000e1278000 [ 116.672767][ T5236] x20: ffff0000dde4a058 x19: 1fffe0001bbc940b x18: 0000000000000001 [ 116.675146][ T5236] x17: 0000000000000000 x16: ffff8000083007d8 x15: 00000000ffffffff [ 116.677392][ T5236] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 116.679626][ T5236] x11: 0000000000000000 x10: 0000000000000000 x9 : 90fe0c0d8f292700 [ 116.681857][ T5236] x8 : 90fe0c0d8f292700 x7 : 0000000000000001 x6 : 0000000000000001 [ 116.684101][ T5236] x5 : ffff800020f07358 x4 : ffff80001422f280 x3 : ffff8000083008e8 [ 116.686317][ T5236] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 116.688674][ T5236] Call trace: [ 116.689628][ T5236] __btrfs_unlink_inode+0x908/0xb00 [ 116.691080][ T5236] btrfs_unlink+0x108/0x258 [ 116.692353][ T5236] vfs_unlink+0x2e0/0x4f4 [ 116.693595][ T5236] do_unlinkat+0x31c/0x600 [ 116.694813][ T5236] __arm64_sys_unlinkat+0xe0/0xfc [ 116.696227][ T5236] invoke_syscall+0x98/0x2b8 [ 116.697480][ T5236] el0_svc_common+0x138/0x258 [ 116.698719][ T5236] do_el0_svc+0x58/0x14c [ 116.699882][ T5236] el0_svc+0x78/0x1e0 [ 116.700968][ T5236] el0t_64_sync_handler+0xcc/0xe4 [ 116.702326][ T5236] el0t_64_sync+0x1a0/0x1a4 [ 116.703611][ T5236] irq event stamp: 80990 [ 116.704792][ T5236] hardirqs last enabled at (80989): [] __up_console_sem+0xb4/0x100 [ 116.707456][ T5236] hardirqs last disabled at (80990): [] el1_dbg+0x24/0x80 [ 116.709878][ T5236] softirqs last enabled at (80970): [] handle_softirqs+0xa4c/0xbf0 [ 116.712555][ T5236] softirqs last disabled at (80933): [] __irq_exit_rcu+0x240/0x440 [ 116.715191][ T5236] ---[ end trace 8362ae1210de3d8c ]--- [ 116.718037][ T5236] BTRFS: error (device loop0) in __btrfs_unlink_inode:4167: errno=-12 Out of memory [ 116.720695][ T5236] BTRFS info (device loop0): forced readonly [ 117.060529][ T5258] loop0: detected capacity change from 0 to 32768 [ 117.123929][ T5258] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.32 (5258) [ 117.136906][ T5258] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 117.139421][ T5258] BTRFS info (device loop0): using free space tree [ 117.141222][ T5258] BTRFS info (device loop0): has skinny extents [ 117.156489][ T5258] BTRFS info (device loop0): enabling ssd optimizations [ 117.164922][ T5258] FAULT_INJECTION: forcing a failure. [ 117.164922][ T5258] name failslab, interval 1, probability 0, space 0, times 0 [ 117.168687][ T5258] CPU: 1 PID: 5258 Comm: syz.0.32 Tainted: G W 5.15.181-syzkaller #0 [ 117.171263][ T5258] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 117.174061][ T5258] Call trace: [ 117.175076][ T5258] dump_backtrace+0x0/0x43c [ 117.176398][ T5258] show_stack+0x2c/0x3c [ 117.177640][ T5258] __dump_stack+0x30/0x40 [ 117.178946][ T5258] dump_stack_lvl+0xf8/0x160 [ 117.180310][ T5258] dump_stack+0x1c/0x5c [ 117.181489][ T5258] should_fail+0x3c0/0x51c [ 117.182759][ T5258] __should_failslab+0xbc/0x10c [ 117.184143][ T5258] should_failslab+0x10/0x28 [ 117.185364][ T5258] slab_pre_alloc_hook+0x64/0xec [ 117.186729][ T5258] kmem_cache_alloc+0x94/0x3e4 [ 117.188117][ T5258] btrfs_alloc_path+0x5c/0x68 [ 117.189405][ T5258] __btrfs_unlink_inode+0x1d8/0xb00 [ 117.190922][ T5258] btrfs_unlink+0x108/0x258 [ 117.192242][ T5258] vfs_unlink+0x2e0/0x4f4 [ 117.193500][ T5258] do_unlinkat+0x31c/0x600 [ 117.194712][ T5258] __arm64_sys_unlinkat+0xe0/0xfc [ 117.196131][ T5258] invoke_syscall+0x98/0x2b8 [ 117.197457][ T5258] el0_svc_common+0x138/0x258 [ 117.198787][ T5258] do_el0_svc+0x58/0x14c [ 117.199949][ T5258] el0_svc+0x78/0x1e0 [ 117.201086][ T5258] el0t_64_sync_handler+0xcc/0xe4 [ 117.202477][ T5258] el0t_64_sync+0x1a0/0x1a4