Warning: Permanently added '10.128.0.114' (ED25519) to the list of known hosts. 1970/01/01 00:01:27 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:01:27 ignoring optional flag "type"="gce" 1970/01/01 00:01:27 parsed 1 programs [ 90.342933][ T4512] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 102.107884][ T4669] chnl_net:caif_netlink_parms(): no params data found [ 102.147933][ T4669] bridge0: port 1(bridge_slave_0) entered blocking state [ 102.150018][ T4669] bridge0: port 1(bridge_slave_0) entered disabled state [ 102.153087][ T4669] device bridge_slave_0 entered promiscuous mode [ 102.156967][ T4669] bridge0: port 2(bridge_slave_1) entered blocking state [ 102.159073][ T4669] bridge0: port 2(bridge_slave_1) entered disabled state [ 102.162283][ T4669] device bridge_slave_1 entered promiscuous mode [ 102.182937][ T4669] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 102.188931][ T4669] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 102.205346][ T4669] team0: Port device team_slave_0 added [ 102.208723][ T4669] team0: Port device team_slave_1 added [ 102.224193][ T4669] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 102.226127][ T4669] 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. [ 102.234466][ T4669] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 102.271606][ T4669] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 102.273486][ T4669] 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. [ 102.280576][ T4669] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 102.346274][ T4669] device hsr_slave_0 entered promiscuous mode [ 102.383097][ T4669] device hsr_slave_1 entered promiscuous mode [ 103.297558][ T4669] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 103.362886][ T4669] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 103.414304][ T4669] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 103.465559][ T4669] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 103.663725][ T4669] 8021q: adding VLAN 0 to HW filter on device bond0 [ 103.672150][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 103.674741][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 103.680139][ T4669] 8021q: adding VLAN 0 to HW filter on device team0 [ 103.687761][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 103.690575][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 103.712121][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 103.714082][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 103.724507][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 103.727196][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 103.729878][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 103.734526][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 103.736482][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 103.738882][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 103.754848][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 103.758119][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 103.763491][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 103.766365][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 103.769195][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 103.780648][ T4669] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 103.786664][ T4669] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 103.790583][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 103.794315][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 103.797050][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 103.800348][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 103.805729][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 103.812910][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 103.898680][ T4669] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 103.902860][ T524] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 103.905078][ T524] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 103.919719][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 103.924057][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 103.936305][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 103.939083][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 103.946654][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 103.949759][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 103.980032][ T4669] device veth0_vlan entered promiscuous mode [ 103.988341][ T4669] device veth1_vlan entered promiscuous mode [ 104.005207][ T524] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 104.007856][ T524] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 104.010447][ T524] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 104.016933][ T524] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 104.021841][ T4669] device veth0_macvtap entered promiscuous mode [ 104.026162][ T4669] device veth1_macvtap entered promiscuous mode [ 104.038360][ T4669] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 104.042579][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 104.045399][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 104.048148][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 104.052549][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 104.057345][ T4669] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 104.059789][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 104.063320][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 104.068338][ T4669] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 104.070779][ T4669] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 104.074976][ T4669] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 104.077358][ T4669] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 104.878358][ T524] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 104.880594][ T524] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 104.884012][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 104.908804][ T524] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 104.912586][ T524] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 104.915684][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:01:44 executed programs: 0 [ 105.117139][ T4837] chnl_net:caif_netlink_parms(): no params data found [ 105.201007][ T4837] bridge0: port 1(bridge_slave_0) entered blocking state [ 105.203078][ T4837] bridge0: port 1(bridge_slave_0) entered disabled state [ 105.205684][ T4837] device bridge_slave_0 entered promiscuous mode [ 105.209548][ T4837] bridge0: port 2(bridge_slave_1) entered blocking state [ 105.221071][ T4837] bridge0: port 2(bridge_slave_1) entered disabled state [ 105.225325][ T4837] device bridge_slave_1 entered promiscuous mode [ 105.247135][ T4837] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 105.255325][ T4837] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 105.274801][ T4837] team0: Port device team_slave_0 added [ 105.279289][ T4837] team0: Port device team_slave_1 added [ 105.299308][ T4837] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 105.304103][ T4837] 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. [ 105.311791][ T4837] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 105.316511][ T4837] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 105.318430][ T4837] 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. [ 105.328730][ T4837] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 105.404180][ T4837] device hsr_slave_0 entered promiscuous mode [ 105.451694][ T4837] device hsr_slave_1 entered promiscuous mode [ 105.481112][ T4837] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 105.483530][ T4837] Cannot create hsr debugfs directory [ 105.551756][ T4837] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 107.061527][ T7] Bluetooth: hci0: command 0x0409 tx timeout [ 108.972308][ T4837] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 109.131386][ T4739] Bluetooth: hci0: command 0x041b tx timeout [ 109.617907][ T4837] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 109.683531][ T4837] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 109.824821][ T4837] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 109.874083][ T4837] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 109.903062][ T4837] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 109.944356][ T4837] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 110.045702][ T4837] 8021q: adding VLAN 0 to HW filter on device bond0 [ 110.056903][ T524] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 110.059395][ T524] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 110.064964][ T4837] 8021q: adding VLAN 0 to HW filter on device team0 [ 110.070340][ T524] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 110.074183][ T524] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 110.077041][ T524] bridge0: port 1(bridge_slave_0) entered blocking state [ 110.079045][ T524] bridge0: port 1(bridge_slave_0) entered forwarding state [ 110.081586][ T524] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 110.112562][ T524] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 110.115392][ T524] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 110.117918][ T524] bridge0: port 2(bridge_slave_1) entered blocking state [ 110.119914][ T524] bridge0: port 2(bridge_slave_1) entered forwarding state [ 110.125037][ T524] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 110.129956][ T524] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 110.137954][ T1606] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 110.141654][ T1606] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 110.144684][ T1606] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 110.149909][ T1606] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 110.158442][ T1606] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 110.186271][ T1606] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 110.189010][ T1606] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 110.196625][ T524] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 110.199442][ T524] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 110.204761][ T4837] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 110.302746][ T1606] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 110.304974][ T1606] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 110.312469][ T4837] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 110.325800][ T524] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 110.328781][ T524] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 110.343952][ T524] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 110.346982][ T524] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 110.349910][ T524] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 110.354855][ T524] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 110.359309][ T4837] device veth0_vlan entered promiscuous mode [ 110.367362][ T4837] device veth1_vlan entered promiscuous mode [ 110.386027][ T524] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 110.388768][ T524] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 110.391680][ T524] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 110.395629][ T524] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 110.400297][ T4837] device veth0_macvtap entered promiscuous mode [ 110.405019][ T4837] device veth1_macvtap entered promiscuous mode [ 110.415386][ T4837] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 110.418477][ T4837] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 110.423705][ T4837] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 110.426353][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 110.429114][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 110.431917][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 110.434728][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 110.439847][ T4837] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 110.443087][ T4837] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 110.446749][ T4837] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 110.449110][ T1606] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 110.452516][ T1606] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 110.457347][ T4837] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 110.459744][ T4837] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 110.462410][ T4837] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 110.464775][ T4837] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 110.529244][ T1606] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 110.538328][ T1606] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 110.541983][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 110.548742][ T1606] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 110.552118][ T1606] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 110.555187][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:01:50 executed programs: 2 [ 110.794515][ T5073] loop0: detected capacity change from 0 to 32768 [ 110.849491][ T5073] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.15 (5073) [ 110.859645][ T5073] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 110.862633][ T5073] BTRFS info (device loop0): using free space tree [ 110.864413][ T5073] BTRFS info (device loop0): has skinny extents [ 110.903433][ T5073] BTRFS info (device loop0): enabling ssd optimizations [ 110.923772][ T5073] FAULT_INJECTION: forcing a failure. [ 110.923772][ T5073] name failslab, interval 1, probability 0, space 0, times 1 [ 110.927493][ T5073] CPU: 0 PID: 5073 Comm: syz.0.15 Not tainted 5.15.188-syzkaller #0 [ 110.929692][ T5073] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 110.932565][ T5073] Call trace: [ 110.933423][ T5073] dump_backtrace+0x0/0x43c [ 110.934693][ T5073] show_stack+0x2c/0x3c [ 110.935896][ T5073] __dump_stack+0x30/0x40 [ 110.937084][ T5073] dump_stack_lvl+0xf8/0x160 [ 110.938390][ T5073] dump_stack+0x1c/0x5c [ 110.939600][ T5073] should_fail+0x3c0/0x51c [ 110.940798][ T5073] __should_failslab+0xbc/0x10c [ 110.942125][ T5073] should_failslab+0x10/0x28 [ 110.943380][ T5073] slab_pre_alloc_hook+0x64/0xec [ 110.944707][ T5073] kmem_cache_alloc_trace+0x98/0x3fc [ 110.946230][ T5073] btrfs_delete_delayed_dir_index+0x220/0x550 [ 110.948010][ T5073] __btrfs_unlink_inode+0x34c/0xb00 [ 110.949393][ T5073] btrfs_unlink+0x108/0x258 [ 110.950600][ T5073] vfs_unlink+0x2e0/0x4f4 [ 110.951750][ T5073] do_unlinkat+0x31c/0x600 [ 110.952974][ T5073] __arm64_sys_unlinkat+0xe0/0xfc [ 110.954426][ T5073] invoke_syscall+0x98/0x2b8 [ 110.955632][ T5073] el0_svc_common+0x138/0x258 [ 110.956933][ T5073] do_el0_svc+0x58/0x14c [ 110.958089][ T5073] el0_svc+0x78/0x1e0 [ 110.959121][ T5073] el0t_64_sync_handler+0xcc/0xe4 [ 110.960481][ T5073] el0t_64_sync+0x1a0/0x1a4 [ 110.965650][ T5073] ------------[ cut here ]------------ [ 110.967384][ T5073] WARNING: CPU: 0 PID: 5073 at fs/btrfs/inode.c:4182 __btrfs_unlink_inode+0x908/0xb00 [ 110.969916][ T5073] Modules linked in: [ 110.971034][ T5073] CPU: 0 PID: 5073 Comm: syz.0.15 Not tainted 5.15.188-syzkaller #0 [ 110.973217][ T5073] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 110.976016][ T5073] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 110.978240][ T5073] pc : __btrfs_unlink_inode+0x908/0xb00 [ 110.979760][ T5073] lr : __btrfs_unlink_inode+0x908/0xb00 [ 110.981272][ T5073] sp : ffff80001f657a60 [ 110.982383][ T5073] x29: ffff80001f657b10 x28: ffff0000d0756000 x27: ffff0000e7d20010 [ 110.984652][ T5073] x26: 0000000000000100 x25: 00000000fffffff4 x24: ffff0000db2c0420 [ 110.986903][ T5073] x23: 1ffff00003ecaf54 x22: dfff800000000000 x21: ffff0000e7d909d0 [ 110.989168][ T5073] x20: ffff0000e2c09108 x19: 1fffe0001c581221 x18: 0000000000000001 [ 110.991378][ T5073] x17: 0000000000000000 x16: ffff8000111d162c x15: 00000000ffffffff [ 110.993529][ T5073] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 110.995697][ T5073] x11: 0000000000000000 x10: 0000000000000000 x9 : 2f7c52b9f271b100 [ 110.997957][ T5073] x8 : 2f7c52b9f271b100 x7 : 0000000000000001 x6 : 0000000000000001 [ 111.000060][ T5073] x5 : ffff80001f657358 x4 : ffff80001425f400 x3 : ffff8000085051a4 [ 111.002281][ T5073] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 111.004472][ T5073] Call trace: [ 111.005344][ T5073] __btrfs_unlink_inode+0x908/0xb00 [ 111.006770][ T5073] btrfs_unlink+0x108/0x258 [ 111.008023][ T5073] vfs_unlink+0x2e0/0x4f4 [ 111.009165][ T5073] do_unlinkat+0x31c/0x600 [ 111.010398][ T5073] __arm64_sys_unlinkat+0xe0/0xfc [ 111.011758][ T5073] invoke_syscall+0x98/0x2b8 [ 111.013024][ T5073] el0_svc_common+0x138/0x258 [ 111.014295][ T5073] do_el0_svc+0x58/0x14c [ 111.015428][ T5073] el0_svc+0x78/0x1e0 [ 111.016536][ T5073] el0t_64_sync_handler+0xcc/0xe4 [ 111.017952][ T5073] el0t_64_sync+0x1a0/0x1a4 [ 111.019199][ T5073] irq event stamp: 82826 [ 111.020448][ T5073] hardirqs last enabled at (82825): [] __up_console_sem+0xb4/0x100 [ 111.023366][ T5073] hardirqs last disabled at (82826): [] el1_dbg+0x24/0x80 [ 111.026108][ T5073] softirqs last enabled at (82806): [] handle_softirqs+0xa4c/0xbf0 [ 111.029103][ T5073] softirqs last disabled at (82693): [] __irq_exit_rcu+0x240/0x440 [ 111.031715][ T5073] ---[ end trace de367301e9b97500 ]--- [ 111.038267][ T5073] BTRFS: error (device loop0) in __btrfs_unlink_inode:4182: errno=-12 Out of memory [ 111.041568][ T5073] BTRFS info (device loop0): forced readonly [ 111.211627][ T4305] Bluetooth: hci0: command 0x040f tx timeout [ 111.419710][ T5098] loop0: detected capacity change from 0 to 32768 [ 111.469973][ T5098] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.16 (5098) [ 111.480110][ T5098] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 111.484564][ T5098] BTRFS info (device loop0): using free space tree [ 111.486370][ T5098] BTRFS info (device loop0): has skinny extents [ 111.511174][ T5098] BTRFS info (device loop0): enabling ssd optimizations [ 111.520543][ T5098] FAULT_INJECTION: forcing a failure. [ 111.520543][ T5098] name failslab, interval 1, probability 0, space 0, times 0 [ 111.526792][ T5098] CPU: 1 PID: 5098 Comm: syz.0.16 Tainted: G W 5.15.188-syzkaller #0 [ 111.529265][ T5098] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 111.531909][ T5098] Call trace: [ 111.532833][ T5098] dump_backtrace+0x0/0x43c [ 111.534092][ T5098] show_stack+0x2c/0x3c [ 111.535204][ T5098] __dump_stack+0x30/0x40 [ 111.536467][ T5098] dump_stack_lvl+0xf8/0x160 [ 111.537762][ T5098] dump_stack+0x1c/0x5c [ 111.538941][ T5098] should_fail+0x3c0/0x51c [ 111.540222][ T5098] __should_failslab+0xbc/0x10c [ 111.541592][ T5098] should_failslab+0x10/0x28 [ 111.542853][ T5098] slab_pre_alloc_hook+0x64/0xec [ 111.544237][ T5098] kmem_cache_alloc_trace+0x98/0x3fc [ 111.545728][ T5098] btrfs_delete_delayed_dir_index+0x220/0x550 [ 111.547375][ T5098] __btrfs_unlink_inode+0x34c/0xb00 [ 111.548836][ T5098] btrfs_unlink+0x108/0x258 [ 111.550064][ T5098] vfs_unlink+0x2e0/0x4f4 [ 111.551276][ T5098] do_unlinkat+0x31c/0x600 [ 111.552546][ T5098] __arm64_sys_unlinkat+0xe0/0xfc [ 111.553961][ T5098] invoke_syscall+0x98/0x2b8 [ 111.555215][ T5098] el0_svc_common+0x138/0x258 [ 111.556527][ T5098] do_el0_svc+0x58/0x14c [ 111.557668][ T5098] el0_svc+0x78/0x1e0 [ 111.558742][ T5098] el0t_64_sync_handler+0xcc/0xe4 [ 111.560151][ T5098] el0t_64_sync+0x1a0/0x1a4 [ 111.567645][ T5098] ------------[ cut here ]------------ [ 111.569356][ T5098] WARNING: CPU: 1 PID: 5098 at fs/btrfs/inode.c:4182 __btrfs_unlink_inode+0x908/0xb00 [ 111.572010][ T5098] Modules linked in: [ 111.573124][ T5098] CPU: 1 PID: 5098 Comm: syz.0.16 Tainted: G W 5.15.188-syzkaller #0 [ 111.575685][ T5098] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 111.578375][ T5098] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 111.580560][ T5098] pc : __btrfs_unlink_inode+0x908/0xb00 [ 111.582028][ T5098] lr : __btrfs_unlink_inode+0x908/0xb00 [ 111.583500][ T5098] sp : ffff80001f637a60 [ 111.584574][ T5098] x29: ffff80001f637b10 x28: ffff0000cebe8000 x27: ffff0000e7cf4010 [ 111.586759][ T5098] x26: 0000000000000100 x25: 00000000fffffff4 x24: ffff0000c1ecf8f0 [ 111.588997][ T5098] x23: 1ffff00003ec6f54 x22: dfff800000000000 x21: ffff0000e2ec93a0 [ 111.591129][ T5098] x20: ffff0000e2c05108 x19: 1fffe0001c580a21 x18: 0000000000000001 [ 111.593277][ T5098] x17: 0000000000000000 x16: ffff8000111d162c x15: 00000000ffffffff [ 111.595408][ T5098] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 111.597565][ T5098] x11: 0000000000000000 x10: 0000000000000000 x9 : a2252d94754f2100 [ 111.599732][ T5098] x8 : a2252d94754f2100 x7 : 0000000000000001 x6 : 0000000000000001 [ 111.601949][ T5098] x5 : ffff80001f637358 x4 : ffff80001425f400 x3 : ffff8000085051a4 [ 111.604077][ T5098] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 111.606186][ T5098] Call trace: [ 111.607055][ T5098] __btrfs_unlink_inode+0x908/0xb00 [ 111.608445][ T5098] btrfs_unlink+0x108/0x258 [ 111.609722][ T5098] vfs_unlink+0x2e0/0x4f4 [ 111.610882][ T5098] do_unlinkat+0x31c/0x600 [ 111.612099][ T5098] __arm64_sys_unlinkat+0xe0/0xfc [ 111.613444][ T5098] invoke_syscall+0x98/0x2b8 [ 111.614784][ T5098] el0_svc_common+0x138/0x258 [ 111.616028][ T5098] do_el0_svc+0x58/0x14c [ 111.617227][ T5098] el0_svc+0x78/0x1e0 [ 111.618285][ T5098] el0t_64_sync_handler+0xcc/0xe4 [ 111.619655][ T5098] el0t_64_sync+0x1a0/0x1a4 [ 111.620916][ T5098] irq event stamp: 81052 [ 111.622066][ T5098] hardirqs last enabled at (81051): [] __up_console_sem+0xb4/0x100 [ 111.624676][ T5098] hardirqs last disabled at (81052): [] el1_dbg+0x24/0x80 [ 111.627062][ T5098] softirqs last enabled at (81032): [] handle_softirqs+0xa4c/0xbf0 [ 111.629679][ T5098] softirqs last disabled at (80909): [] __irq_exit_rcu+0x240/0x440 [ 111.632277][ T5098] ---[ end trace de367301e9b97501 ]--- [ 111.640966][ T5098] BTRFS: error (device loop0) in __btrfs_unlink_inode:4182: errno=-12 Out of memory [ 111.643691][ T5098] BTRFS info (device loop0): forced readonly [ 111.944940][ T5121] loop0: detected capacity change from 0 to 32768 [ 111.993762][ T5121] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.17 (5121) [ 112.034058][ T5121] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 112.036551][ T5121] BTRFS info (device loop0): using free space tree [ 112.038305][ T5121] BTRFS info (device loop0): has skinny extents [ 112.060322][ T5121] BTRFS info (device loop0): enabling ssd optimizations [ 112.079452][ T5121] FAULT_INJECTION: forcing a failure. [ 112.079452][ T5121] name failslab, interval 1, probability 0, space 0, times 0 [ 112.084176][ T5121] CPU: 0 PID: 5121 Comm: syz.0.17 Tainted: G W 5.15.188-syzkaller #0 [ 112.086710][ T5121] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 112.089341][ T5121] Call trace: [ 112.090218][ T5121] dump_backtrace+0x0/0x43c [ 112.091392][ T5121] show_stack+0x2c/0x3c [ 112.092502][ T5121] __dump_stack+0x30/0x40 [ 112.093623][ T5121] dump_stack_lvl+0xf8/0x160 [ 112.094909][ T5121] dump_stack+0x1c/0x5c [ 112.096101][ T5121] should_fail+0x3c0/0x51c [ 112.097328][ T5121] __should_failslab+0xbc/0x10c [ 112.098706][ T5121] should_failslab+0x10/0x28 [ 112.099995][ T5121] slab_pre_alloc_hook+0x64/0xec [ 112.101345][ T5121] kmem_cache_alloc_trace+0x98/0x3fc [ 112.102817][ T5121] btrfs_delete_delayed_dir_index+0x220/0x550 [ 112.104443][ T5121] __btrfs_unlink_inode+0x34c/0xb00 [ 112.105829][ T5121] btrfs_unlink+0x108/0x258 [ 112.107144][ T5121] vfs_unlink+0x2e0/0x4f4 [ 112.108369][ T5121] do_unlinkat+0x31c/0x600 [ 112.109584][ T5121] __arm64_sys_unlinkat+0xe0/0xfc [ 112.110951][ T5121] invoke_syscall+0x98/0x2b8 [ 112.112232][ T5121] el0_svc_common+0x138/0x258 [ 112.113511][ T5121] do_el0_svc+0x58/0x14c [ 112.114632][ T5121] el0_svc+0x78/0x1e0 [ 112.115667][ T5121] el0t_64_sync_handler+0xcc/0xe4 [ 112.117093][ T5121] el0t_64_sync+0x1a0/0x1a4 [ 112.119749][ T5121] ------------[ cut here ]------------ [ 112.121671][ T5121] WARNING: CPU: 0 PID: 5121 at fs/btrfs/inode.c:4182 __btrfs_unlink_inode+0x908/0xb00 [ 112.124233][ T5121] Modules linked in: [ 112.125251][ T5121] CPU: 0 PID: 5121 Comm: syz.0.17 Tainted: G W 5.15.188-syzkaller #0 [ 112.127709][ T5121] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 112.130376][ T5121] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 112.132463][ T5121] pc : __btrfs_unlink_inode+0x908/0xb00 [ 112.133982][ T5121] lr : __btrfs_unlink_inode+0x908/0xb00 [ 112.135473][ T5121] sp : ffff80001fd07a60 [ 112.136665][ T5121] x29: ffff80001fd07b10 x28: ffff0000d5e18000 x27: ffff0000e7cf4410 [ 112.138928][ T5121] x26: 0000000000000100 x25: 00000000fffffff4 x24: ffff0000d0698630 [ 112.141124][ T5121] x23: 1ffff00003fa0f54 x22: dfff800000000000 x21: ffff0000e2ecb110 [ 112.143320][ T5121] x20: ffff0000e2c05268 x19: 1fffe0001c580a4d x18: 0000000000000001 [ 112.145553][ T5121] x17: 0000000000000000 x16: ffff8000083020fc x15: 00000000ffffffff [ 112.147822][ T5121] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 112.150167][ T5121] x11: 0000000000000000 x10: 0000000000000000 x9 : fbf0eaffce5d8500 [ 112.152383][ T5121] x8 : fbf0eaffce5d8500 x7 : 0000000000000001 x6 : 0000000000000001 [ 112.154568][ T5121] x5 : ffff80001fd07358 x4 : ffff80001425f400 x3 : ffff80000830220c [ 112.156834][ T5121] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 112.159118][ T5121] Call trace: [ 112.159973][ T5121] __btrfs_unlink_inode+0x908/0xb00 [ 112.161409][ T5121] btrfs_unlink+0x108/0x258 [ 112.162696][ T5121] vfs_unlink+0x2e0/0x4f4 [ 112.163874][ T5121] do_unlinkat+0x31c/0x600 [ 112.165102][ T5121] __arm64_sys_unlinkat+0xe0/0xfc [ 112.166475][ T5121] invoke_syscall+0x98/0x2b8 [ 112.167765][ T5121] el0_svc_common+0x138/0x258 [ 112.169047][ T5121] do_el0_svc+0x58/0x14c [ 112.170198][ T5121] el0_svc+0x78/0x1e0 [ 112.171262][ T5121] el0t_64_sync_handler+0xcc/0xe4 [ 112.172649][ T5121] el0t_64_sync+0x1a0/0x1a4 [ 112.173896][ T5121] irq event stamp: 81228 [ 112.175065][ T5121] hardirqs last enabled at (81227): [] __up_console_sem+0xb4/0x100 [ 112.177623][ T5121] hardirqs last disabled at (81228): [] el1_dbg+0x24/0x80 [ 112.180058][ T5121] softirqs last enabled at (81218): [] handle_softirqs+0xa4c/0xbf0 [ 112.182661][ T5121] softirqs last disabled at (81169): [] __irq_exit_rcu+0x240/0x440 [ 112.185332][ T5121] ---[ end trace de367301e9b97502 ]--- [ 112.187868][ T5121] BTRFS: error (device loop0) in __btrfs_unlink_inode:4182: errno=-12 Out of memory [ 112.190379][ T5121] BTRFS info (device loop0): forced readonly [ 112.218025][ T148] device hsr_slave_0 left promiscuous mode [ 112.271434][ T148] device hsr_slave_1 left promiscuous mode [ 112.343676][ T148] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 112.345812][ T148] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 112.349719][ T148] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 112.352422][ T148] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 112.355370][ T148] device bridge_slave_1 left promiscuous mode [ 112.357235][ T148] bridge0: port 2(bridge_slave_1) entered disabled state [ 112.405808][ T148] device bridge_slave_0 left promiscuous mode [ 112.407649][ T148] bridge0: port 1(bridge_slave_0) entered disabled state [ 112.525713][ T5144] loop0: detected capacity change from 0 to 32768 [ 112.531243][ T148] device veth1_macvtap left promiscuous mode [ 112.532940][ T148] device veth0_macvtap left promiscuous mode [ 112.534683][ T148] device veth1_vlan left promiscuous mode [ 112.536312][ T148] device veth0_vlan left promiscuous mode [ 112.604648][ T5144] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.18 (5144) [ 112.615100][ T5144] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 112.617478][ T5144] BTRFS info (device loop0): using free space tree [ 112.619307][ T5144] BTRFS info (device loop0): has skinny extents [ 112.709331][ T5144] BTRFS info (device loop0): enabling ssd optimizations [ 112.719250][ T5144] FAULT_INJECTION: forcing a failure. [ 112.719250][ T5144] name failslab, interval 1, probability 0, space 0, times 0 [ 112.727464][ T5144] CPU: 1 PID: 5144 Comm: syz.0.18 Tainted: G W 5.15.188-syzkaller #0 [ 112.730164][ T5144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 112.732986][ T5144] Call trace: [ 112.733885][ T5144] dump_backtrace+0x0/0x43c [ 112.735190][ T5144] show_stack+0x2c/0x3c [ 112.736371][ T5144] __dump_stack+0x30/0x40 [ 112.737605][ T5144] dump_stack_lvl+0xf8/0x160 [ 112.738887][ T5144] dump_stack+0x1c/0x5c [ 112.740073][ T5144] should_fail+0x3c0/0x51c [ 112.741311][ T5144] __should_failslab+0xbc/0x10c [ 112.742633][ T5144] should_failslab+0x10/0x28 [ 112.743909][ T5144] slab_pre_alloc_hook+0x64/0xec [ 112.745260][ T5144] kmem_cache_alloc_trace+0x98/0x3fc [ 112.746840][ T5144] btrfs_delete_delayed_dir_index+0x220/0x550 [ 112.748588][ T5144] __btrfs_unlink_inode+0x34c/0xb00 [ 112.750072][ T5144] btrfs_unlink+0x108/0x258 [ 112.751379][ T5144] vfs_unlink+0x2e0/0x4f4 [ 112.752612][ T5144] do_unlinkat+0x31c/0x600 [ 112.753802][ T5144] __arm64_sys_unlinkat+0xe0/0xfc [ 112.755191][ T5144] invoke_syscall+0x98/0x2b8 [ 112.756440][ T5144] el0_svc_common+0x138/0x258 [ 112.757776][ T5144] do_el0_svc+0x58/0x14c [ 112.758973][ T5144] el0_svc+0x78/0x1e0 [ 112.760047][ T5144] el0t_64_sync_handler+0xcc/0xe4 [ 112.761483][ T5144] el0t_64_sync+0x1a0/0x1a4 [ 112.767840][ T5144] ------------[ cut here ]------------ [ 112.769807][ T5144] WARNING: CPU: 1 PID: 5144 at fs/btrfs/inode.c:4182 __btrfs_unlink_inode+0x908/0xb00 [ 112.772576][ T5144] Modules linked in: [ 112.773727][ T5144] CPU: 1 PID: 5144 Comm: syz.0.18 Tainted: G W 5.15.188-syzkaller #0 [ 112.776560][ T5144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 112.779601][ T5144] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 112.781879][ T5144] pc : __btrfs_unlink_inode+0x908/0xb00 [ 112.783754][ T5144] lr : __btrfs_unlink_inode+0x908/0xb00 [ 112.785507][ T5144] sp : ffff80001fe77a60 [ 112.786675][ T5144] x29: ffff80001fe77b10 x28: ffff0000d26be000 x27: ffff0000e7cf4810 [ 112.789081][ T5144] x26: 0000000000000100 x25: 00000000fffffff4 x24: ffff0000d80402c0 [ 112.791568][ T5144] x23: 1ffff00003fcef54 x22: dfff800000000000 x21: ffff0000e2ecce80 [ 112.793943][ T5144] x20: ffff0000e2c053c8 x19: 1fffe0001c580a79 x18: 0000000000000001 [ 112.796246][ T5144] x17: 0000000000000000 x16: ffff8000111d162c x15: 00000000ffffffff [ 112.798581][ T5144] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 112.800909][ T5144] x11: 0000000000000000 x10: 0000000000000000 x9 : 63aa649cdb9c7d00 [ 112.803169][ T5144] x8 : 63aa649cdb9c7d00 x7 : 0000000000000001 x6 : 0000000000000001 [ 112.805488][ T5144] x5 : ffff80001fe77358 x4 : ffff80001425f400 x3 : ffff8000085051a4 [ 112.807797][ T5144] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 112.810146][ T5144] Call trace: [ 112.811061][ T5144] __btrfs_unlink_inode+0x908/0xb00 [ 112.812570][ T5144] btrfs_unlink+0x108/0x258 [ 112.813761][ T5144] vfs_unlink+0x2e0/0x4f4 [ 112.815021][ T5144] do_unlinkat+0x31c/0x600 [ 112.816234][ T5144] __arm64_sys_unlinkat+0xe0/0xfc [ 112.817653][ T5144] invoke_syscall+0x98/0x2b8 [ 112.818943][ T5144] el0_svc_common+0x138/0x258 [ 112.820237][ T5144] do_el0_svc+0x58/0x14c [ 112.821456][ T5144] el0_svc+0x78/0x1e0 [ 112.822640][ T5144] el0t_64_sync_handler+0xcc/0xe4 [ 112.824028][ T5144] el0t_64_sync+0x1a0/0x1a4 [ 112.825268][ T5144] irq event stamp: 81482 [ 112.826443][ T5144] hardirqs last enabled at (81481): [] __up_console_sem+0xb4/0x100 [ 112.829164][ T5144] hardirqs last disabled at (81482): [] el1_dbg+0x24/0x80 [ 112.831577][ T5144] softirqs last enabled at (81458): [] handle_softirqs+0xa4c/0xbf0 [ 112.834371][ T5144] softirqs last disabled at (81333): [] __irq_exit_rcu+0x240/0x440 [ 112.836998][ T5144] ---[ end trace de367301e9b97503 ]--- [ 112.841964][ T5144] BTRFS: error (device loop0) in __btrfs_unlink_inode:4182: errno=-12 Out of memory [ 112.844954][ T5144] BTRFS info (device loop0): forced readonly [ 113.024716][ T148] team0 (unregistering): Port device team_slave_1 removed [ 113.044099][ T148] team0 (unregistering): Port device team_slave_0 removed [ 113.057113][ T148] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 113.098754][ T148] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 113.178583][ T5166] loop0: detected capacity change from 0 to 32768 [ 113.191560][ T5166] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.19 (5166) [ 113.204890][ T5166] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 113.207243][ T5166] BTRFS info (device loop0): using free space tree [ 113.209043][ T5166] BTRFS info (device loop0): has skinny extents [ 113.265017][ T5166] BTRFS info (device loop0): enabling ssd optimizations [ 113.274967][ T5166] FAULT_INJECTION: forcing a failure. [ 113.274967][ T5166] name failslab, interval 1, probability 0, space 0, times 0 [ 113.278831][ T5166] CPU: 0 PID: 5166 Comm: syz.0.19 Tainted: G W 5.15.188-syzkaller #0 [ 113.281305][ T5166] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 113.284046][ T5166] Call trace: [ 113.284975][ T5166] dump_backtrace+0x0/0x43c [ 113.286240][ T5166] show_stack+0x2c/0x3c [ 113.287410][ T5166] __dump_stack+0x30/0x40 [ 113.288752][ T5166] dump_stack_lvl+0xf8/0x160 [ 113.289968][ T5166] dump_stack+0x1c/0x5c [ 113.291055][ T5166] should_fail+0x3c0/0x51c [ 113.292256][ T5166] __should_failslab+0xbc/0x10c [ 113.293534][ T5166] should_failslab+0x10/0x28 [ 113.294738][ T5166] slab_pre_alloc_hook+0x64/0xec [ 113.296041][ T5166] kmem_cache_alloc_trace+0x98/0x3fc [ 113.297457][ T5166] btrfs_delete_delayed_dir_index+0x220/0x550 [ 113.299157][ T5166] __btrfs_unlink_inode+0x34c/0xb00 [ 113.300673][ T5166] btrfs_unlink+0x108/0x258 [ 113.301894][ T5166] vfs_unlink+0x2e0/0x4f4 [ 113.303217][ T5166] do_unlinkat+0x31c/0x600 [ 113.304492][ T5166] __arm64_sys_unlinkat+0xe0/0xfc [ 113.305844][ T5166] invoke_syscall+0x98/0x2b8 [ 113.307153][ T5166] el0_svc_common+0x138/0x258 [ 113.308464][ T5166] do_el0_svc+0x58/0x14c [ 113.309668][ T5166] el0_svc+0x78/0x1e0 [ 113.310774][ T5166] el0t_64_sync_handler+0xcc/0xe4 [ 113.312168][ T5166] el0t_64_sync+0x1a0/0x1a4 [ 113.314174][ T5166] ------------[ cut here ]------------ [ 113.315973][ T5166] WARNING: CPU: 0 PID: 5166 at fs/btrfs/inode.c:4182 __btrfs_unlink_inode+0x908/0xb00 [ 113.318567][ T5166] Modules linked in: [ 113.319679][ T5166] CPU: 0 PID: 5166 Comm: syz.0.19 Tainted: G W 5.15.188-syzkaller #0 [ 113.322235][ T5166] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 113.322884][ T21] Bluetooth: hci0: command 0x0419 tx timeout [ 113.324959][ T5166] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 113.328952][ T5166] pc : __btrfs_unlink_inode+0x908/0xb00 [ 113.330626][ T5166] lr : __btrfs_unlink_inode+0x908/0xb00 [ 113.332203][ T5166] sp : ffff80001ffc7a60 [ 113.333445][ T5166] x29: ffff80001ffc7b10 x28: ffff0000e84f0000 x27: ffff0000e7d20410 [ 113.335645][ T148] bond0 (unregistering): Released all slaves [ 113.335767][ T5166] x26: 0000000000000100 x25: 00000000fffffff4 x24: ffff0000d346a160 [ 113.339777][ T5166] x23: 1ffff00003ff8f54 x22: dfff800000000000 x21: ffff0000e7d94e80 [ 113.342111][ T5166] x20: ffff0000e2c09268 x19: 1fffe0001c58124d x18: 0000000000000001 [ 113.344404][ T5166] x17: 0000000000000000 x16: ffff8000083020fc x15: 00000000ffffffff [ 113.346695][ T5166] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 113.348951][ T5166] x11: 0000000000000000 x10: 0000000000000000 x9 : e500870ccc6ec800 [ 113.351269][ T5166] x8 : e500870ccc6ec800 x7 : 0000000000000001 x6 : 0000000000000001 [ 113.353635][ T5166] x5 : ffff80001ffc7358 x4 : ffff80001425f400 x3 : ffff80000830220c [ 113.355899][ T5166] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 113.358124][ T5166] Call trace: [ 113.359024][ T5166] __btrfs_unlink_inode+0x908/0xb00 [ 113.360415][ T5166] btrfs_unlink+0x108/0x258 [ 113.361649][ T5166] vfs_unlink+0x2e0/0x4f4 [ 113.362834][ T5166] do_unlinkat+0x31c/0x600 [ 113.364104][ T5166] __arm64_sys_unlinkat+0xe0/0xfc [ 113.365504][ T5166] invoke_syscall+0x98/0x2b8 [ 113.366793][ T5166] el0_svc_common+0x138/0x258 [ 113.368054][ T5166] do_el0_svc+0x58/0x14c [ 113.369212][ T5166] el0_svc+0x78/0x1e0 [ 113.370272][ T5166] el0t_64_sync_handler+0xcc/0xe4 [ 113.371756][ T5166] el0t_64_sync+0x1a0/0x1a4 [ 113.373030][ T5166] irq event stamp: 81036 [ 113.374234][ T5166] hardirqs last enabled at (81035): [] __up_console_sem+0xb4/0x100 [ 113.376938][ T5166] hardirqs last disabled at (81036): [] el1_dbg+0x24/0x80 [ 113.379419][ T5166] softirqs last enabled at (81016): [] handle_softirqs+0xa4c/0xbf0 [ 113.382211][ T5166] softirqs last disabled at (80907): [] __irq_exit_rcu+0x240/0x440 [ 113.384866][ T5166] ---[ end trace de367301e9b97504 ]--- [ 113.386957][ T5166] BTRFS: error (device loop0) in __btrfs_unlink_inode:4182: errno=-12 Out of memory [ 113.389682][ T5166] BTRFS info (device loop0): forced readonly [ 113.710869][ T5188] loop0: detected capacity change from 0 to 32768 [ 113.715056][ T5188] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.20 (5188) [ 113.722781][ T5188] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 113.725309][ T5188] BTRFS info (device loop0): using free space tree [ 113.727046][ T5188] BTRFS info (device loop0): has skinny extents [ 113.746036][ T5188] BTRFS info (device loop0): enabling ssd optimizations [ 113.763257][ T5188] FAULT_INJECTION: forcing a failure. [ 113.763257][ T5188] name failslab, interval 1, probability 0, space 0, times 0 [ 113.766760][ T5188] CPU: 0 PID: 5188 Comm: syz.0.20 Tainted: G W 5.15.188-syzkaller #0 [ 113.769273][ T5188] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 113.772174][ T5188] Call trace: [ 113.773039][ T5188] dump_backtrace+0x0/0x43c [ 113.774324][ T5188] show_stack+0x2c/0x3c [ 113.775467][ T5188] __dump_stack+0x30/0x40 [ 113.776643][ T5188] dump_stack_lvl+0xf8/0x160 [ 113.777935][ T5188] dump_stack+0x1c/0x5c [ 113.779048][ T5188] should_fail+0x3c0/0x51c [ 113.780308][ T5188] __should_failslab+0xbc/0x10c [ 113.781652][ T5188] should_failslab+0x10/0x28 [ 113.782890][ T5188] slab_pre_alloc_hook+0x64/0xec [ 113.784228][ T5188] kmem_cache_alloc+0x94/0x3e4 [ 113.785562][ T5188] btrfs_alloc_path+0x5c/0x68 [ 113.786836][ T5188] __btrfs_unlink_inode+0x1d8/0xb00 [ 113.788368][ T5188] btrfs_unlink+0x108/0x258 [ 113.789603][ T5188] vfs_unlink+0x2e0/0x4f4 [ 113.790810][ T5188] do_unlinkat+0x31c/0x600 [ 113.792039][ T5188] __arm64_sys_unlinkat+0xe0/0xfc [ 113.793475][ T5188] invoke_syscall+0x98/0x2b8 [ 113.794762][ T5188] el0_svc_common+0x138/0x258 [ 113.796117][ T5188] do_el0_svc+0x58/0x14c [ 113.797302][ T5188] el0_svc+0x78/0x1e0 [ 113.798458][ T5188] el0t_64_sync_handler+0xcc/0xe4 [ 113.799925][ T5188] el0t_64_sync+0x1a0/0x1a4 [ 114.252105][ T5209] loop0: detected capacity change from 0 to 32768 [ 114.297480][ T5209] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.21 (5209) [ 114.308569][ T5209] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 114.315151][ T5209] BTRFS info (device loop0): using free space tree [ 114.317166][ T5209] BTRFS info (device loop0): has skinny extents [ 114.335537][ T5209] BTRFS info (device loop0): enabling ssd optimizations [ 114.345855][ T5209] FAULT_INJECTION: forcing a failure. [ 114.345855][ T5209] name failslab, interval 1, probability 0, space 0, times 0 [ 114.349263][ T5209] CPU: 1 PID: 5209 Comm: syz.0.21 Tainted: G W 5.15.188-syzkaller #0 [ 114.351790][ T5209] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 114.354531][ T5209] Call trace: [ 114.355458][ T5209] dump_backtrace+0x0/0x43c [ 114.356686][ T5209] show_stack+0x2c/0x3c [ 114.357864][ T5209] __dump_stack+0x30/0x40 [ 114.359060][ T5209] dump_stack_lvl+0xf8/0x160 [ 114.360297][ T5209] dump_stack+0x1c/0x5c [ 114.361440][ T5209] should_fail+0x3c0/0x51c [ 114.362670][ T5209] __should_failslab+0xbc/0x10c [ 114.364048][ T5209] should_failslab+0x10/0x28 [ 114.365298][ T5209] slab_pre_alloc_hook+0x64/0xec [ 114.366675][ T5209] kmem_cache_alloc_trace+0x98/0x3fc [ 114.368097][ T5209] btrfs_delete_delayed_dir_index+0x220/0x550 [ 114.369829][ T5209] __btrfs_unlink_inode+0x34c/0xb00 [ 114.371406][ T5209] btrfs_unlink+0x108/0x258 [ 114.372888][ T5209] vfs_unlink+0x2e0/0x4f4 [ 114.374169][ T5209] do_unlinkat+0x31c/0x600 [ 114.375398][ T5209] __arm64_sys_unlinkat+0xe0/0xfc [ 114.376862][ T5209] invoke_syscall+0x98/0x2b8 [ 114.378159][ T5209] el0_svc_common+0x138/0x258 [ 114.379533][ T5209] do_el0_svc+0x58/0x14c [ 114.380719][ T5209] el0_svc+0x78/0x1e0 [ 114.381792][ T5209] el0t_64_sync_handler+0xcc/0xe4 [ 114.383149][ T5209] el0t_64_sync+0x1a0/0x1a4 [ 114.388188][ T5209] ------------[ cut here ]------------ [ 114.389943][ T5209] WARNING: CPU: 1 PID: 5209 at fs/btrfs/inode.c:4182 __btrfs_unlink_inode+0x908/0xb00 [ 114.392547][ T5209] Modules linked in: [ 114.393663][ T5209] CPU: 1 PID: 5209 Comm: syz.0.21 Tainted: G W 5.15.188-syzkaller #0 [ 114.396250][ T5209] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 114.399076][ T5209] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 114.401261][ T5209] pc : __btrfs_unlink_inode+0x908/0xb00 [ 114.402757][ T5209] lr : __btrfs_unlink_inode+0x908/0xb00 [ 114.404260][ T5209] sp : ffff80001fef7a60 [ 114.405353][ T5209] x29: ffff80001fef7b10 x28: ffff0000d82ec000 x27: ffff0000e7cf4c10 [ 114.407612][ T5209] x26: 0000000000000100 x25: 00000000fffffff4 x24: ffff0000d1fd0210 [ 114.409783][ T5209] x23: 1ffff00003fdef54 x22: dfff800000000000 x21: ffff0000e2ecf5c0 [ 114.412045][ T5209] x20: ffff0000e2c05688 x19: 1fffe0001c580ad1 x18: 0000000000000001 [ 114.414244][ T5209] x17: 0000000000000000 x16: ffff8000111d162c x15: 00000000ffffffff [ 114.416398][ T5209] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 114.418638][ T5209] x11: 0000000000000000 x10: 0000000000000000 x9 : 26d45b1dc758f100 [ 114.420827][ T5209] x8 : 26d45b1dc758f100 x7 : 0000000000000001 x6 : 0000000000000001 [ 114.422992][ T5209] x5 : ffff80001fef7358 x4 : ffff80001425f400 x3 : ffff8000085051a4 [ 114.425152][ T5209] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 114.427381][ T5209] Call trace: [ 114.428281][ T5209] __btrfs_unlink_inode+0x908/0xb00 [ 114.429720][ T5209] btrfs_unlink+0x108/0x258 [ 114.430957][ T5209] vfs_unlink+0x2e0/0x4f4 [ 114.432136][ T5209] do_unlinkat+0x31c/0x600 [ 114.433361][ T5209] __arm64_sys_unlinkat+0xe0/0xfc [ 114.434781][ T5209] invoke_syscall+0x98/0x2b8 [ 114.436060][ T5209] el0_svc_common+0x138/0x258 [ 114.437327][ T5209] do_el0_svc+0x58/0x14c [ 114.438487][ T5209] el0_svc+0x78/0x1e0 [ 114.439605][ T5209] el0t_64_sync_handler+0xcc/0xe4 [ 114.441012][ T5209] el0t_64_sync+0x1a0/0x1a4 [ 114.442322][ T5209] irq event stamp: 81202 [ 114.443490][ T5209] hardirqs last enabled at (81201): [] __up_console_sem+0xb4/0x100 [ 114.446084][ T5209] hardirqs last disabled at (81202): [] el1_dbg+0x24/0x80 [ 114.448564][ T5209] softirqs last enabled at (81182): [] handle_softirqs+0xa4c/0xbf0 [ 114.451273][ T5209] softirqs last disabled at (81113): [] __irq_exit_rcu+0x240/0x440 [ 114.453888][ T5209] ---[ end trace de367301e9b97505 ]--- [ 114.457381][ T5209] BTRFS: error (device loop0) in __btrfs_unlink_inode:4182: errno=-12 Out of memory [ 114.460090][ T5209] BTRFS info (device loop0): forced readonly [ 114.770092][ T5232] loop0: detected capacity change from 0 to 32768 [ 114.783535][ T5232] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.22 (5232) [ 114.790299][ T5232] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 114.792972][ T5232] BTRFS info (device loop0): using free space tree [ 114.794719][ T5232] BTRFS info (device loop0): has skinny extents [ 114.810905][ T5232] BTRFS info (device loop0): enabling ssd optimizations [ 114.818721][ T5232] FAULT_INJECTION: forcing a failure. [ 114.818721][ T5232] name failslab, interval 1, probability 0, space 0, times 0 [ 114.823183][ T5232] CPU: 0 PID: 5232 Comm: syz.0.22 Tainted: G W 5.15.188-syzkaller #0 [ 114.825824][ T5232] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 114.828594][ T5232] Call trace: [ 114.829470][ T5232] dump_backtrace+0x0/0x43c [ 114.830679][ T5232] show_stack+0x2c/0x3c [ 114.831817][ T5232] __dump_stack+0x30/0x40 [ 114.833017][ T5232] dump_stack_lvl+0xf8/0x160 [ 114.834293][ T5232] dump_stack+0x1c/0x5c [ 114.835430][ T5232] should_fail+0x3c0/0x51c [ 114.836665][ T5232] __should_failslab+0xbc/0x10c [ 114.837990][ T5232] should_failslab+0x10/0x28 [ 114.839215][ T5232] slab_pre_alloc_hook+0x64/0xec [ 114.840596][ T5232] kmem_cache_alloc+0x94/0x3e4 [ 114.841890][ T5232] btrfs_alloc_path+0x5c/0x68 [ 114.843170][ T5232] __btrfs_unlink_inode+0x1d8/0xb00 [ 114.844605][ T5232] btrfs_unlink+0x108/0x258 [ 114.845905][ T5232] vfs_unlink+0x2e0/0x4f4 [ 114.847082][ T5232] do_unlinkat+0x31c/0x600 [ 114.848263][ T5232] __arm64_sys_unlinkat+0xe0/0xfc [ 114.849656][ T5232] invoke_syscall+0x98/0x2b8 [ 114.850900][ T5232] el0_svc_common+0x138/0x258 [ 114.852204][ T5232] do_el0_svc+0x58/0x14c [ 114.853363][ T5232] el0_svc+0x78/0x1e0 [ 114.854468][ T5232] el0t_64_sync_handler+0xcc/0xe4 [ 114.855883][ T5232] el0t_64_sync+0x1a0/0x1a4 [ 115.197288][ T5254] loop0: detected capacity change from 0 to 32768 [ 115.280196][ T5254] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.23 (5254) [ 115.297258][ T5254] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 115.299684][ T5254] BTRFS info (device loop0): using free space tree [ 115.307497][ T5254] BTRFS info (device loop0): has skinny extents [ 115.491079][ T5254] BTRFS info (device loop0): enabling ssd optimizations [ 115.499175][ T5254] FAULT_INJECTION: forcing a failure. [ 115.499175][ T5254] name failslab, interval 1, probability 0, space 0, times 0 [ 115.512239][ T5254] CPU: 1 PID: 5254 Comm: syz.0.23 Tainted: G W 5.15.188-syzkaller #0 [ 115.514889][ T5254] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 115.517537][ T5254] Call trace: [ 115.518381][ T5254] dump_backtrace+0x0/0x43c [ 115.519584][ T5254] show_stack+0x2c/0x3c [ 115.520654][ T5254] __dump_stack+0x30/0x40 [ 115.521793][ T5254] dump_stack_lvl+0xf8/0x160 [ 115.523104][ T5254] dump_stack+0x1c/0x5c [ 115.524288][ T5254] should_fail+0x3c0/0x51c [ 115.525514][ T5254] __should_failslab+0xbc/0x10c [ 115.526856][ T5254] should_failslab+0x10/0x28 [ 115.528136][ T5254] slab_pre_alloc_hook+0x64/0xec [ 115.529463][ T5254] kmem_cache_alloc_trace+0x98/0x3fc [ 115.530893][ T5254] btrfs_delete_delayed_dir_index+0x220/0x550 [ 115.532549][ T5254] __btrfs_unlink_inode+0x34c/0xb00 [ 115.533991][ T5254] btrfs_unlink+0x108/0x258 [ 115.535235][ T5254] vfs_unlink+0x2e0/0x4f4 [ 115.536452][ T5254] do_unlinkat+0x31c/0x600 [ 115.537659][ T5254] __arm64_sys_unlinkat+0xe0/0xfc [ 115.539052][ T5254] invoke_syscall+0x98/0x2b8 [ 115.540383][ T5254] el0_svc_common+0x138/0x258 [ 115.541716][ T5254] do_el0_svc+0x58/0x14c [ 115.542894][ T5254] el0_svc+0x78/0x1e0 [ 115.544015][ T5254] el0t_64_sync_handler+0xcc/0xe4 [ 115.545368][ T5254] el0t_64_sync+0x1a0/0x1a4 [ 115.591297][ T5254] ------------[ cut here ]------------ [ 115.593148][ T5254] WARNING: CPU: 1 PID: 5254 at fs/btrfs/inode.c:4182 __btrfs_unlink_inode+0x908/0xb00 [ 115.595820][ T5254] Modules linked in: [ 115.596884][ T5254] CPU: 1 PID: 5254 Comm: syz.0.23 Tainted: G W 5.15.188-syzkaller #0 [ 115.599465][ T5254] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 115.602233][ T5254] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 115.604339][ T5254] pc : __btrfs_unlink_inode+0x908/0xb00 [ 115.605842][ T5254] lr : __btrfs_unlink_inode+0x908/0xb00 [ 115.607320][ T5254] sp : ffff800020517a60 [ 115.608391][ T5254] x29: ffff800020517b10 x28: ffff0000d9e30000 x27: ffff0000e7cf5010 [ 115.610545][ T5254] x26: 0000000000000100 x25: 00000000fffffff4 x24: ffff0000ed1d80b0 [ 115.612665][ T5254] x23: 1ffff000040a2f54 x22: dfff800000000000 x21: ffff0000e2ef89d0 [ 115.614857][ T5254] x20: ffff0000e2c057e8 x19: 1fffe0001c580afd x18: 0000000000000001 [ 115.617098][ T5254] x17: 0000000000000000 x16: ffff8000111d162c x15: 00000000ffffffff [ 115.619299][ T5254] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 115.621454][ T5254] x11: 0000000000000000 x10: 0000000000000000 x9 : f033bab332038700 [ 115.623601][ T5254] x8 : f033bab332038700 x7 : 0000000000000001 x6 : 0000000000000001 [ 115.625808][ T5254] x5 : ffff800020517358 x4 : ffff80001425f400 x3 : ffff8000085051a4 [ 115.628032][ T5254] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 115.630296][ T5254] Call trace: [ 115.631162][ T5254] __btrfs_unlink_inode+0x908/0xb00 [ 115.632547][ T5254] btrfs_unlink+0x108/0x258 [ 115.633762][ T5254] vfs_unlink+0x2e0/0x4f4 [ 115.634927][ T5254] do_unlinkat+0x31c/0x600 [ 115.636167][ T5254] __arm64_sys_unlinkat+0xe0/0xfc [ 115.637591][ T5254] invoke_syscall+0x98/0x2b8 [ 115.638891][ T5254] el0_svc_common+0x138/0x258 [ 115.640168][ T5254] do_el0_svc+0x58/0x14c [ 115.641301][ T5254] el0_svc+0x78/0x1e0 [ 115.642393][ T5254] el0t_64_sync_handler+0xcc/0xe4 [ 115.643783][ T5254] el0t_64_sync+0x1a0/0x1a4 [ 115.645025][ T5254] irq event stamp: 80154 [ 115.646159][ T5254] hardirqs last enabled at (80153): [] __up_console_sem+0xb4/0x100 [ 115.648686][ T5254] hardirqs last disabled at (80154): [] el1_dbg+0x24/0x80 [ 115.651007][ T5254] softirqs last enabled at (80130): [] handle_softirqs+0xa4c/0xbf0 [ 115.653596][ T5254] softirqs last disabled at (79895): [] __irq_exit_rcu+0x240/0x440 [ 115.656176][ T5254] ---[ end trace de367301e9b97506 ]--- [ 115.663502][ T5254] BTRFS: error (device loop0) in __btrfs_unlink_inode:4182: errno=-12 Out of memory [ 115.666194][ T5254] BTRFS info (device loop0): forced readonly 1970/01/01 00:01:55 executed programs: 11 [ 116.096937][ T5276] loop0: detected capacity change from 0 to 32768 [ 116.187281][ T5276] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.24 (5276) [ 116.194887][ T5276] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 116.197303][ T5276] BTRFS info (device loop0): using free space tree [ 116.199052][ T5276] BTRFS info (device loop0): has skinny extents [ 116.214013][ T5276] BTRFS info (device loop0): enabling ssd optimizations [ 116.222072][ T5276] FAULT_INJECTION: forcing a failure. [ 116.222072][ T5276] name failslab, interval 1, probability 0, space 0, times 0 [ 116.225382][ T5276] CPU: 0 PID: 5276 Comm: syz.0.24 Tainted: G W 5.15.188-syzkaller #0 [ 116.227866][ T5276] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 116.230582][ T5276] Call trace: [ 116.231401][ T5276] dump_backtrace+0x0/0x43c [ 116.232590][ T5276] show_stack+0x2c/0x3c [ 116.233690][ T5276] __dump_stack+0x30/0x40 [ 116.234939][ T5276] dump_stack_lvl+0xf8/0x160 [ 116.236162][ T5276] dump_stack+0x1c/0x5c [ 116.237266][ T5276] should_fail+0x3c0/0x51c [ 116.238413][ T5276] __should_failslab+0xbc/0x10c [ 116.239719][ T5276] should_failslab+0x10/0x28 [ 116.240970][ T5276] slab_pre_alloc_hook+0x64/0xec [ 116.242205][ T5276] kmem_cache_alloc+0x94/0x3e4 [ 116.243437][ T5276] btrfs_alloc_path+0x5c/0x68 [ 116.244673][ T5276] __btrfs_unlink_inode+0x1d8/0xb00 [ 116.246083][ T5276] btrfs_unlink+0x108/0x258 [ 116.247257][ T5276] vfs_unlink+0x2e0/0x4f4 [ 116.248427][ T5276] do_unlinkat+0x31c/0x600 [ 116.249527][ T5276] __arm64_sys_unlinkat+0xe0/0xfc [ 116.250842][ T5276] invoke_syscall+0x98/0x2b8 [ 116.252076][ T5276] el0_svc_common+0x138/0x258 [ 116.253333][ T5276] do_el0_svc+0x58/0x14c [ 116.254463][ T5276] el0_svc+0x78/0x1e0 [ 116.255504][ T5276] el0t_64_sync_handler+0xcc/0xe4 [ 116.256760][ T5276] el0t_64_sync+0x1a0/0x1a4 [ 116.559707][ T5298] loop0: detected capacity change from 0 to 32768 [ 116.622475][ T5298] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.25 (5298) [ 116.631042][ T5298] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 116.633562][ T5298] BTRFS info (device loop0): using free space tree [ 116.635317][ T5298] BTRFS info (device loop0): has skinny extents [ 116.651668][ T5298] BTRFS info (device loop0): enabling ssd optimizations [ 116.659655][ T5298] FAULT_INJECTION: forcing a failure. [ 116.659655][ T5298] name failslab, interval 1, probability 0, space 0, times 0 [ 116.664096][ T5298] CPU: 1 PID: 5298 Comm: syz.0.25 Tainted: G W 5.15.188-syzkaller #0 [ 116.666732][ T5298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 116.669461][ T5298] Call trace: [ 116.670360][ T5298] dump_backtrace+0x0/0x43c [ 116.671592][ T5298] show_stack+0x2c/0x3c [ 116.672676][ T5298] __dump_stack+0x30/0x40 [ 116.673856][ T5298] dump_stack_lvl+0xf8/0x160 [ 116.675128][ T5298] dump_stack+0x1c/0x5c [ 116.676339][ T5298] should_fail+0x3c0/0x51c [ 116.677603][ T5298] __should_failslab+0xbc/0x10c [ 116.678942][ T5298] should_failslab+0x10/0x28 [ 116.680207][ T5298] slab_pre_alloc_hook+0x64/0xec [ 116.681524][ T5298] kmem_cache_alloc_trace+0x98/0x3fc [ 116.683044][ T5298] btrfs_delete_delayed_dir_index+0x220/0x550 [ 116.684707][ T5298] __btrfs_unlink_inode+0x34c/0xb00 [ 116.686224][ T5298] btrfs_unlink+0x108/0x258 [ 116.687514][ T5298] vfs_unlink+0x2e0/0x4f4 [ 116.688734][ T5298] do_unlinkat+0x31c/0x600 [ 116.689928][ T5298] __arm64_sys_unlinkat+0xe0/0xfc [ 116.691235][ T5298] invoke_syscall+0x98/0x2b8 [ 116.692522][ T5298] el0_svc_common+0x138/0x258 [ 116.693831][ T5298] do_el0_svc+0x58/0x14c [ 116.694960][ T5298] el0_svc+0x78/0x1e0 [ 116.696061][ T5298] el0t_64_sync_handler+0xcc/0xe4 [ 116.697495][ T5298] el0t_64_sync+0x1a0/0x1a4 [ 116.698962][ T5298] ------------[ cut here ]------------ [ 116.700626][ T5298] WARNING: CPU: 1 PID: 5298 at fs/btrfs/inode.c:4182 __btrfs_unlink_inode+0x908/0xb00 [ 116.703321][ T5298] Modules linked in: [ 116.704421][ T5298] CPU: 1 PID: 5298 Comm: syz.0.25 Tainted: G W 5.15.188-syzkaller #0 [ 116.706930][ T5298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 116.709699][ T5298] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 116.711847][ T5298] pc : __btrfs_unlink_inode+0x908/0xb00 [ 116.713354][ T5298] lr : __btrfs_unlink_inode+0x908/0xb00 [ 116.714941][ T5298] sp : ffff800020767a60 [ 116.716111][ T5298] x29: ffff800020767b10 x28: ffff0000c17ce000 x27: ffff0000e7cf5410 [ 116.718318][ T5298] x26: 0000000000000100 x25: 00000000fffffff4 x24: ffff0000d4bc7f20 [ 116.720557][ T5298] x23: 1ffff000040ecf54 x22: dfff800000000000 x21: ffff0000e2efb110 [ 116.722860][ T5298] x20: ffff0000e2c05aa8 x19: 1fffe0001c580b55 x18: 0000000000000001 [ 116.725007][ T5298] x17: 0000000000000000 x16: ffff8000083020fc x15: 00000000ffffffff [ 116.727195][ T5298] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 116.729355][ T5298] x11: 0000000000000000 x10: 0000000000000000 x9 : b5a4bc0f82b36b00 [ 116.731579][ T5298] x8 : b5a4bc0f82b36b00 x7 : 0000000000000001 x6 : 0000000000000001 [ 116.733710][ T5298] x5 : ffff800020767358 x4 : ffff80001425f400 x3 : ffff80000830220c [ 116.735944][ T5298] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 116.738115][ T5298] Call trace: [ 116.739028][ T5298] __btrfs_unlink_inode+0x908/0xb00 [ 116.740459][ T5298] btrfs_unlink+0x108/0x258 [ 116.741627][ T5298] vfs_unlink+0x2e0/0x4f4 [ 116.742854][ T5298] do_unlinkat+0x31c/0x600 [ 116.744050][ T5298] __arm64_sys_unlinkat+0xe0/0xfc [ 116.745379][ T5298] invoke_syscall+0x98/0x2b8 [ 116.746696][ T5298] el0_svc_common+0x138/0x258 [ 116.747987][ T5298] do_el0_svc+0x58/0x14c [ 116.749254][ T5298] el0_svc+0x78/0x1e0 [ 116.750342][ T5298] el0t_64_sync_handler+0xcc/0xe4 [ 116.751841][ T5298] el0t_64_sync+0x1a0/0x1a4 [ 116.753117][ T5298] irq event stamp: 80426 [ 116.754347][ T5298] hardirqs last enabled at (80425): [] __up_console_sem+0xb4/0x100 [ 116.756991][ T5298] hardirqs last disabled at (80426): [] el1_dbg+0x24/0x80 [ 116.759360][ T5298] softirqs last enabled at (80406): [] handle_softirqs+0xa4c/0xbf0 [ 116.762032][ T5298] softirqs last disabled at (80393): [] __irq_exit_rcu+0x240/0x440 [ 116.764576][ T5298] ---[ end trace de367301e9b97507 ]--- [ 116.766883][ T5298] BTRFS: error (device loop0) in __btrfs_unlink_inode:4182: errno=-12 Out of memory [ 116.769510][ T5298] BTRFS info (device loop0): forced readonly [ 116.858059][ T5061] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by udevd (5061) [ 117.050716][ T5319] loop0: detected capacity change from 0 to 32768 [ 117.057294][ T5319] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 117.059833][ T5319] BTRFS info (device loop0): using free space tree [ 117.067800][ T5319] BTRFS info (device loop0): has skinny extents [ 117.089985][ T5319] BTRFS info (device loop0): enabling ssd optimizations [ 117.097792][ T5319] FAULT_INJECTION: forcing a failure. [ 117.097792][ T5319] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 117.102247][ T5319] CPU: 1 PID: 5319 Comm: syz.0.26 Tainted: G W 5.15.188-syzkaller #0 [ 117.104805][ T5319] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 117.107490][ T5319] Call trace: [ 117.108409][ T5319] dump_backtrace+0x0/0x43c [ 117.109698][ T5319] show_stack+0x2c/0x3c [ 117.110759][ T5319] __dump_stack+0x30/0x40 [ 117.111902][ T5319] dump_stack_lvl+0xf8/0x160 [ 117.113125][ T5319] dump_stack+0x1c/0x5c [ 117.114237][ T5319] should_fail+0x3c0/0x51c [ 117.115450][ T5319] should_fail_alloc_page+0x74/0xa8 [ 117.116866][ T5319] prepare_alloc_pages+0x160/0x460 [ 117.118271][ T5319] __alloc_pages+0x108/0x470 [ 117.119567][ T5319] alloc_pages+0x34c/0x5c0 [ 117.120782][ T5319] new_slab+0xe0/0x55c [ 117.121892][ T5319] ___slab_alloc+0x6c0/0xda8 [ 117.123149][ T5319] __slab_alloc+0x68/0xc0 [ 117.124319][ T5319] kmem_cache_alloc+0x2ac/0x3e4 [ 117.125664][ T5319] btrfs_alloc_path+0x5c/0x68 [ 117.126940][ T5319] __btrfs_unlink_inode+0x1d8/0xb00 [ 117.128375][ T5319] btrfs_unlink+0x108/0x258 [ 117.129551][ T5319] vfs_unlink+0x2e0/0x4f4 [ 117.130821][ T5319] do_unlinkat+0x31c/0x600 [ 117.132037][ T5319] __arm64_sys_unlinkat+0xe0/0xfc [ 117.133388][ T5319] invoke_syscall+0x98/0x2b8 [ 117.134633][ T5319] el0_svc_common+0x138/0x258 [ 117.135970][ T5319] do_el0_svc+0x58/0x14c [ 117.137204][ T5319] el0_svc+0x78/0x1e0 [ 117.138409][ T5319] el0t_64_sync_handler+0xcc/0xe4 [ 117.139777][ T5319] el0t_64_sync+0x1a0/0x1a4 [ 117.448260][ T5344] loop0: detected capacity change from 0 to 32768 [ 117.493045][ T5344] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.27 (5344) [ 117.498196][ T5344] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 117.500538][ T5344] BTRFS info (device loop0): using free space tree [ 117.503021][ T5344] BTRFS info (device loop0): has skinny extents [ 117.519592][ T5344] BTRFS info (device loop0): enabling ssd optimizations [ 117.527372][ T5344] FAULT_INJECTION: forcing a failure. [ 117.527372][ T5344] name failslab, interval 1, probability 0, space 0, times 0 [ 117.530770][ T5344] CPU: 0 PID: 5344 Comm: syz.0.27 Tainted: G W 5.15.188-syzkaller #0 [ 117.533355][ T5344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 117.536077][ T5344] Call trace: [ 117.536971][ T5344] dump_backtrace+0x0/0x43c [ 117.538265][ T5344] show_stack+0x2c/0x3c [ 117.539406][ T5344] __dump_stack+0x30/0x40 [ 117.540615][ T5344] dump_stack_lvl+0xf8/0x160 [ 117.541859][ T5344] dump_stack+0x1c/0x5c [ 117.543018][ T5344] should_fail+0x3c0/0x51c [ 117.544243][ T5344] __should_failslab+0xbc/0x10c [ 117.545608][ T5344] should_failslab+0x10/0x28 [ 117.546882][ T5344] slab_pre_alloc_hook+0x64/0xec [ 117.548192][ T5344] kmem_cache_alloc_trace+0x98/0x3fc [ 117.549606][ T5344] btrfs_delete_delayed_dir_index+0x220/0x550 [ 117.551380][ T5344] __btrfs_unlink_inode+0x34c/0xb00 [ 117.552797][ T5344] btrfs_unlink+0x108/0x258 [ 117.554121][ T5344] vfs_unlink+0x2e0/0x4f4 [ 117.555312][ T5344] do_unlinkat+0x31c/0x600 [ 117.556496][ T5344] __arm64_sys_unlinkat+0xe0/0xfc [ 117.557859][ T5344] invoke_syscall+0x98/0x2b8 [ 117.559098][ T5344] el0_svc_common+0x138/0x258 [ 117.560415][ T5344] do_el0_svc+0x58/0x14c [ 117.561600][ T5344] el0_svc+0x78/0x1e0 [ 117.562700][ T5344] el0t_64_sync_handler+0xcc/0xe4 [ 117.564172][ T5344] el0t_64_sync+0x1a0/0x1a4 [ 117.568109][ T5344] ------------[ cut here ]------------ [ 117.569887][ T5344] WARNING: CPU: 0 PID: 5344 at fs/btrfs/inode.c:4182 __btrfs_unlink_inode+0x908/0xb00 [ 117.572492][ T5344] Modules linked in: [ 117.573535][ T5344] CPU: 0 PID: 5344 Comm: syz.0.27 Tainted: G W 5.15.188-syzkaller #0 [ 117.575943][ T5344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 117.578656][ T5344] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 117.580745][ T5344] pc : __btrfs_unlink_inode+0x908/0xb00 [ 117.582270][ T5344] lr : __btrfs_unlink_inode+0x908/0xb00 [ 117.583788][ T5344] sp : ffff800020757a60 [ 117.584940][ T5344] x29: ffff800020757b10 x28: ffff0000da742000 x27: ffff0000e7d21410 [ 117.587172][ T5344] x26: 0000000000000100 x25: 00000000fffffff4 x24: ffff0000cecd2370 [ 117.589389][ T5344] x23: 1ffff000040eaf54 x22: dfff800000000000 x21: ffff0000dd3909d0 [ 117.591609][ T5344] x20: ffff0000e2c09aa8 x19: 1fffe0001c581355 x18: 0000000000000001 [ 117.593802][ T5344] x17: 0000000000000000 x16: ffff8000111d162c x15: 00000000ffffffff [ 117.595963][ T5344] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 117.598130][ T5344] x11: 0000000000000000 x10: 0000000000000000 x9 : 8473818debee4800 [ 117.600290][ T5344] x8 : 8473818debee4800 x7 : 0000000000000001 x6 : 0000000000000001 [ 117.602541][ T5344] x5 : ffff800020757358 x4 : ffff80001425f400 x3 : ffff8000085051a4 [ 117.604804][ T5344] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 117.606984][ T5344] Call trace: [ 117.607852][ T5344] __btrfs_unlink_inode+0x908/0xb00 [ 117.609208][ T5344] btrfs_unlink+0x108/0x258 [ 117.610428][ T5344] vfs_unlink+0x2e0/0x4f4 [ 117.611570][ T5344] do_unlinkat+0x31c/0x600 [ 117.612789][ T5344] __arm64_sys_unlinkat+0xe0/0xfc [ 117.614166][ T5344] invoke_syscall+0x98/0x2b8 [ 117.615421][ T5344] el0_svc_common+0x138/0x258 [ 117.616671][ T5344] do_el0_svc+0x58/0x14c [ 117.617778][ T5344] el0_svc+0x78/0x1e0 [ 117.618880][ T5344] el0t_64_sync_handler+0xcc/0xe4 [ 117.620268][ T5344] el0t_64_sync+0x1a0/0x1a4 [ 117.621468][ T5344] irq event stamp: 80900 [ 117.622630][ T5344] hardirqs last enabled at (80899): [] __up_console_sem+0xb4/0x100 [ 117.625247][ T5344] hardirqs last disabled at (80900): [] el1_dbg+0x24/0x80 [ 117.627569][ T5344] softirqs last enabled at (80880): [] handle_softirqs+0xa4c/0xbf0 [ 117.630236][ T5344] softirqs last disabled at (80807): [] __irq_exit_rcu+0x240/0x440 [ 117.632908][ T5344] ---[ end trace de367301e9b97508 ]--- [ 117.639634][ T5344] BTRFS: error (device loop0) in __btrfs_unlink_inode:4182: errno=-12 Out of memory [ 117.642421][ T5344] BTRFS info (device loop0): forced readonly [ 117.932498][ T5366] loop0: detected capacity change from 0 to 32768 [ 117.986732][ T5366] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.28 (5366) [ 117.994308][ T5366] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 117.996860][ T5366] BTRFS info (device loop0): using free space tree [ 118.000009][ T5366] BTRFS info (device loop0): has skinny extents [ 118.022462][ T5366] BTRFS info (device loop0): enabling ssd optimizations [ 118.029992][ T5366] FAULT_INJECTION: forcing a failure. [ 118.029992][ T5366] name failslab, interval 1, probability 0, space 0, times 0 [ 118.034585][ T5366] CPU: 0 PID: 5366 Comm: syz.0.28 Tainted: G W 5.15.188-syzkaller #0 [ 118.037139][ T5366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 118.039889][ T5366] Call trace: [ 118.040760][ T5366] dump_backtrace+0x0/0x43c [ 118.041994][ T5366] show_stack+0x2c/0x3c [ 118.043187][ T5366] __dump_stack+0x30/0x40 [ 118.044452][ T5366] dump_stack_lvl+0xf8/0x160 [ 118.045710][ T5366] dump_stack+0x1c/0x5c [ 118.046841][ T5366] should_fail+0x3c0/0x51c [ 118.048066][ T5366] __should_failslab+0xbc/0x10c [ 118.049431][ T5366] should_failslab+0x10/0x28 [ 118.050765][ T5366] slab_pre_alloc_hook+0x64/0xec [ 118.052157][ T5366] kmem_cache_alloc_trace+0x98/0x3fc [ 118.053570][ T5366] btrfs_delete_delayed_dir_index+0x220/0x550 [ 118.055274][ T5366] __btrfs_unlink_inode+0x34c/0xb00 [ 118.056738][ T5366] btrfs_unlink+0x108/0x258 [ 118.057951][ T5366] vfs_unlink+0x2e0/0x4f4 [ 118.059153][ T5366] do_unlinkat+0x31c/0x600 [ 118.060400][ T5366] __arm64_sys_unlinkat+0xe0/0xfc [ 118.061827][ T5366] invoke_syscall+0x98/0x2b8 [ 118.063102][ T5366] el0_svc_common+0x138/0x258 [ 118.064366][ T5366] do_el0_svc+0x58/0x14c [ 118.065527][ T5366] el0_svc+0x78/0x1e0 [ 118.066601][ T5366] el0t_64_sync_handler+0xcc/0xe4 [ 118.068132][ T5366] el0t_64_sync+0x1a0/0x1a4 [ 118.072291][ T5366] ------------[ cut here ]------------ [ 118.074124][ T5366] WARNING: CPU: 0 PID: 5366 at fs/btrfs/inode.c:4182 __btrfs_unlink_inode+0x908/0xb00 [ 118.076705][ T5366] Modules linked in: [ 118.077714][ T5366] CPU: 0 PID: 5366 Comm: syz.0.28 Tainted: G W 5.15.188-syzkaller #0 [ 118.080137][ T5366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 118.082855][ T5366] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 118.085060][ T5366] pc : __btrfs_unlink_inode+0x908/0xb00 [ 118.086583][ T5366] lr : __btrfs_unlink_inode+0x908/0xb00 [ 118.088057][ T5366] sp : ffff800020ee7a60 [ 118.089206][ T5366] x29: ffff800020ee7b10 x28: ffff0000ce8c2000 x27: ffff0000e7d20010 [ 118.091369][ T5366] x26: 0000000000000100 x25: 00000000fffffff4 x24: ffff0000d080f9a0 [ 118.093553][ T5366] x23: 1ffff000041dcf54 x22: dfff800000000000 x21: ffff0000dd392740 [ 118.095801][ T5366] x20: ffff0000e2c09b58 x19: 1fffe0001c58136b x18: 0000000000000001 [ 118.098008][ T5366] x17: 0000000000000000 x16: ffff8000111d162c x15: 00000000ffffffff [ 118.100193][ T5366] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 118.102326][ T5366] x11: 0000000000000000 x10: 0000000000000000 x9 : d0871a3058b4b800 [ 118.104515][ T5366] x8 : d0871a3058b4b800 x7 : 0000000000000001 x6 : 0000000000000001 [ 118.106680][ T5366] x5 : ffff800020ee7358 x4 : ffff80001425f400 x3 : ffff8000085051a4 [ 118.108890][ T5366] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 118.111012][ T5366] Call trace: [ 118.111889][ T5366] __btrfs_unlink_inode+0x908/0xb00 [ 118.113309][ T5366] btrfs_unlink+0x108/0x258 [ 118.114539][ T5366] vfs_unlink+0x2e0/0x4f4 [ 118.115693][ T5366] do_unlinkat+0x31c/0x600 [ 118.116933][ T5366] __arm64_sys_unlinkat+0xe0/0xfc [ 118.118271][ T5366] invoke_syscall+0x98/0x2b8 [ 118.119483][ T5366] el0_svc_common+0x138/0x258 [ 118.120709][ T5366] do_el0_svc+0x58/0x14c [ 118.121874][ T5366] el0_svc+0x78/0x1e0 [ 118.122955][ T5366] el0t_64_sync_handler+0xcc/0xe4 [ 118.124317][ T5366] el0t_64_sync+0x1a0/0x1a4 [ 118.125525][ T5366] irq event stamp: 80840 [ 118.126677][ T5366] hardirqs last enabled at (80839): [] __up_console_sem+0xb4/0x100 [ 118.129291][ T5366] hardirqs last disabled at (80840): [] el1_dbg+0x24/0x80 [ 118.131656][ T5366] softirqs last enabled at (80820): [] handle_softirqs+0xa4c/0xbf0 [ 118.134349][ T5366] softirqs last disabled at (80793): [] __irq_exit_rcu+0x240/0x440 [ 118.136879][ T5366] ---[ end trace de367301e9b97509 ]--- [ 118.141041][ T5366] BTRFS: error (device loop0) in __btrfs_unlink_inode:4182: errno=-12 Out of memory [ 118.143567][ T5366] BTRFS info (device loop0): forced readonly [ 118.439868][ T5388] loop0: detected capacity change from 0 to 32768 [ 118.483157][ T5388] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.29 (5388) [ 118.555340][ T5388] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 118.557779][ T5388] BTRFS info (device loop0): using free space tree [ 118.559491][ T5388] BTRFS info (device loop0): has skinny extents [ 118.591075][ T5388] BTRFS info (device loop0): enabling ssd optimizations [ 118.599299][ T5388] FAULT_INJECTION: forcing a failure. [ 118.599299][ T5388] name failslab, interval 1, probability 0, space 0, times 0 [ 118.603733][ T5388] CPU: 1 PID: 5388 Comm: syz.0.29 Tainted: G W 5.15.188-syzkaller #0 [ 118.606299][ T5388] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 118.608919][ T5388] Call trace: [ 118.609764][ T5388] dump_backtrace+0x0/0x43c [ 118.610970][ T5388] show_stack+0x2c/0x3c [ 118.612159][ T5388] __dump_stack+0x30/0x40 [ 118.613378][ T5388] dump_stack_lvl+0xf8/0x160 [ 118.614632][ T5388] dump_stack+0x1c/0x5c [ 118.615868][ T5388] should_fail+0x3c0/0x51c [ 118.617052][ T5388] __should_failslab+0xbc/0x10c [ 118.618448][ T5388] should_failslab+0x10/0x28 [ 118.619737][ T5388] slab_pre_alloc_hook+0x64/0xec [ 118.621080][ T5388] kmem_cache_alloc_trace+0x98/0x3fc [ 118.622540][ T5388] btrfs_delete_delayed_dir_index+0x220/0x550 [ 118.624289][ T5388] __btrfs_unlink_inode+0x34c/0xb00 [ 118.625826][ T5388] btrfs_unlink+0x108/0x258 [ 118.627139][ T5388] vfs_unlink+0x2e0/0x4f4 [ 118.628388][ T5388] do_unlinkat+0x31c/0x600 [ 118.629625][ T5388] __arm64_sys_unlinkat+0xe0/0xfc [ 118.631020][ T5388] invoke_syscall+0x98/0x2b8 [ 118.632360][ T5388] el0_svc_common+0x138/0x258 [ 118.633661][ T5388] do_el0_svc+0x58/0x14c [ 118.634819][ T5388] el0_svc+0x78/0x1e0 [ 118.635883][ T5388] el0t_64_sync_handler+0xcc/0xe4 [ 118.637297][ T5388] el0t_64_sync+0x1a0/0x1a4 [ 118.643060][ T5388] ------------[ cut here ]------------ [ 118.644943][ T5388] WARNING: CPU: 1 PID: 5388 at fs/btrfs/inode.c:4182 __btrfs_unlink_inode+0x908/0xb00 [ 118.647517][ T5388] Modules linked in: [ 118.648577][ T5388] CPU: 1 PID: 5388 Comm: syz.0.29 Tainted: G W 5.15.188-syzkaller #0 [ 118.651092][ T5388] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 118.653903][ T5388] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 118.656086][ T5388] pc : __btrfs_unlink_inode+0x908/0xb00 [ 118.657631][ T5388] lr : __btrfs_unlink_inode+0x908/0xb00 [ 118.659210][ T5388] sp : ffff800020757a60 [ 118.660384][ T5388] x29: ffff800020757b10 x28: ffff0000dc130000 x27: ffff0000e7cf5c10 [ 118.662518][ T5388] x26: 0000000000000100 x25: 00000000fffffff4 x24: ffff0000c9cd36e0 [ 118.664746][ T5388] x23: 1ffff000040eaf54 x22: dfff800000000000 x21: ffff0000e2ed0000 [ 118.666888][ T5388] x20: ffff0000e2c05058 x19: 1fffe0001c580a0b x18: 0000000000000001 [ 118.669148][ T5388] x17: 0000000000000000 x16: ffff8000111d162c x15: 00000000ffffffff [ 118.671353][ T5388] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 118.673490][ T5388] x11: 0000000000000000 x10: 0000000000000000 x9 : 62019239d04ee000 [ 118.675716][ T5388] x8 : 62019239d04ee000 x7 : 0000000000000001 x6 : 0000000000000001 [ 118.677987][ T5388] x5 : ffff800020757358 x4 : ffff80001425f400 x3 : ffff8000085051a4 [ 118.680232][ T5388] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 118.682462][ T5388] Call trace: [ 118.683359][ T5388] __btrfs_unlink_inode+0x908/0xb00 [ 118.684776][ T5388] btrfs_unlink+0x108/0x258 [ 118.686033][ T5388] vfs_unlink+0x2e0/0x4f4 [ 118.687225][ T5388] do_unlinkat+0x31c/0x600 [ 118.688421][ T5388] __arm64_sys_unlinkat+0xe0/0xfc [ 118.689822][ T5388] invoke_syscall+0x98/0x2b8 [ 118.691075][ T5388] el0_svc_common+0x138/0x258 [ 118.692381][ T5388] do_el0_svc+0x58/0x14c [ 118.693529][ T5388] el0_svc+0x78/0x1e0 [ 118.694601][ T5388] el0t_64_sync_handler+0xcc/0xe4 [ 118.695954][ T5388] el0t_64_sync+0x1a0/0x1a4 [ 118.697156][ T5388] irq event stamp: 80056 [ 118.698287][ T5388] hardirqs last enabled at (80055): [] __up_console_sem+0xb4/0x100 [ 118.700899][ T5388] hardirqs last disabled at (80056): [] el1_dbg+0x24/0x80 [ 118.703201][ T5388] softirqs last enabled at (80036): [] handle_softirqs+0xa4c/0xbf0 [ 118.705741][ T5388] softirqs last disabled at (80005): [] __irq_exit_rcu+0x240/0x440 [ 118.708295][ T5388] ---[ end trace de367301e9b9750a ]--- [ 118.715796][ T5388] BTRFS: error (device loop0) in __btrfs_unlink_inode:4182: errno=-12 Out of memory [ 118.718325][ T5388] BTRFS info (device loop0): forced readonly [ 119.007093][ T5410] loop0: detected capacity change from 0 to 32768 [ 119.013530][ T5410] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.30 (5410) [ 119.019077][ T5410] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 119.023845][ T5410] BTRFS info (device loop0): using free space tree [ 119.025613][ T5410] BTRFS info (device loop0): has skinny extents [ 119.043276][ T5410] BTRFS info (device loop0): enabling ssd optimizations [ 119.050062][ T5410] FAULT_INJECTION: forcing a failure. [ 119.050062][ T5410] name failslab, interval 1, probability 0, space 0, times 0 [ 119.054612][ T5410] CPU: 1 PID: 5410 Comm: syz.0.30 Tainted: G W 5.15.188-syzkaller #0 [ 119.057109][ T5410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 119.059837][ T5410] Call trace: [ 119.060705][ T5410] dump_backtrace+0x0/0x43c [ 119.061902][ T5410] show_stack+0x2c/0x3c [ 119.063025][ T5410] __dump_stack+0x30/0x40 [ 119.064176][ T5410] dump_stack_lvl+0xf8/0x160 [ 119.065388][ T5410] dump_stack+0x1c/0x5c [ 119.066569][ T5410] should_fail+0x3c0/0x51c [ 119.067752][ T5410] __should_failslab+0xbc/0x10c [ 119.069070][ T5410] should_failslab+0x10/0x28 [ 119.070311][ T5410] slab_pre_alloc_hook+0x64/0xec [ 119.071629][ T5410] kmem_cache_alloc_trace+0x98/0x3fc [ 119.073092][ T5410] btrfs_delete_delayed_dir_index+0x220/0x550 [ 119.074827][ T5410] __btrfs_unlink_inode+0x34c/0xb00 [ 119.076260][ T5410] btrfs_unlink+0x108/0x258 [ 119.077461][ T5410] vfs_unlink+0x2e0/0x4f4 [ 119.078681][ T5410] do_unlinkat+0x31c/0x600 [ 119.079961][ T5410] __arm64_sys_unlinkat+0xe0/0xfc [ 119.081393][ T5410] invoke_syscall+0x98/0x2b8 [ 119.082674][ T5410] el0_svc_common+0x138/0x258 [ 119.083977][ T5410] do_el0_svc+0x58/0x14c [ 119.085224][ T5410] el0_svc+0x78/0x1e0 [ 119.086297][ T5410] el0t_64_sync_handler+0xcc/0xe4 [ 119.087673][ T5410] el0t_64_sync+0x1a0/0x1a4 [ 119.090970][ T5410] ------------[ cut here ]------------ [ 119.092718][ T5410] WARNING: CPU: 1 PID: 5410 at fs/btrfs/inode.c:4182 __btrfs_unlink_inode+0x908/0xb00 [ 119.095209][ T5410] Modules linked in: [ 119.096300][ T5410] CPU: 1 PID: 5410 Comm: syz.0.30 Tainted: G W 5.15.188-syzkaller #0 [ 119.098903][ T5410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 119.101626][ T5410] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 119.103834][ T5410] pc : __btrfs_unlink_inode+0x908/0xb00 [ 119.105415][ T5410] lr : __btrfs_unlink_inode+0x908/0xb00 [ 119.106952][ T5410] sp : ffff800020f87a60 [ 119.108090][ T5410] x29: ffff800020f87b10 x28: ffff0000ca002000 x27: ffff0000e7cf6010 [ 119.110170][ T5410] x26: 0000000000000100 x25: 00000000fffffff4 x24: ffff0000c9e19420 [ 119.112410][ T5410] x23: 1ffff000041f0f54 x22: dfff800000000000 x21: ffff0000e2ed2740 [ 119.114698][ T5410] x20: ffff0000e2c05ec8 x19: 1fffe0001c580bd9 x18: 0000000000000001 [ 119.116952][ T5410] x17: 0000000000000000 x16: ffff8000111d162c x15: 00000000ffffffff [ 119.119211][ T5410] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 119.121406][ T5410] x11: 0000000000000000 x10: 0000000000000000 x9 : a8a3082e9aa2b900 [ 119.123658][ T5410] x8 : a8a3082e9aa2b900 x7 : 0000000000000001 x6 : 0000000000000001 [ 119.125876][ T5410] x5 : ffff800020f87358 x4 : ffff80001425f400 x3 : ffff8000085051a4 [ 119.128200][ T5410] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 119.130326][ T5410] Call trace: [ 119.131225][ T5410] __btrfs_unlink_inode+0x908/0xb00 [ 119.132631][ T5410] btrfs_unlink+0x108/0x258 [ 119.133903][ T5410] vfs_unlink+0x2e0/0x4f4 [ 119.135135][ T5410] do_unlinkat+0x31c/0x600 [ 119.136321][ T5410] __arm64_sys_unlinkat+0xe0/0xfc [ 119.137635][ T5410] invoke_syscall+0x98/0x2b8 [ 119.138877][ T5410] el0_svc_common+0x138/0x258 [ 119.140177][ T5410] do_el0_svc+0x58/0x14c [ 119.141384][ T5410] el0_svc+0x78/0x1e0 [ 119.142516][ T5410] el0t_64_sync_handler+0xcc/0xe4 [ 119.143939][ T5410] el0t_64_sync+0x1a0/0x1a4 [ 119.145113][ T5410] irq event stamp: 80770 [ 119.146307][ T5410] hardirqs last enabled at (80769): [] __up_console_sem+0xb4/0x100 [ 119.148979][ T5410] hardirqs last disabled at (80770): [] el1_dbg+0x24/0x80 [ 119.151470][ T5410] softirqs last enabled at (80750): [] handle_softirqs+0xa4c/0xbf0 [ 119.154241][ T5410] softirqs last disabled at (80723): [] __irq_exit_rcu+0x240/0x440 [ 119.156995][ T5410] ---[ end trace de367301e9b9750b ]--- [ 119.162587][ T5410] BTRFS: error (device loop0) in __btrfs_unlink_inode:4182: errno=-12 Out of memory [ 119.165834][ T5410] BTRFS info (device loop0): forced readonly [ 119.456829][ T5432] loop0: detected capacity change from 0 to 32768 [ 119.500673][ T5432] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.31 (5432) [ 119.509466][ T5432] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 119.512100][ T5432] BTRFS info (device loop0): using free space tree [ 119.514164][ T5432] BTRFS info (device loop0): has skinny extents [ 119.533056][ T5432] BTRFS info (device loop0): enabling ssd optimizations [ 119.541906][ T5432] FAULT_INJECTION: forcing a failure. [ 119.541906][ T5432] name failslab, interval 1, probability 0, space 0, times 0 [ 119.545437][ T5432] CPU: 1 PID: 5432 Comm: syz.0.31 Tainted: G W 5.15.188-syzkaller #0 [ 119.547982][ T5432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 119.550795][ T5432] Call trace: [ 119.551647][ T5432] dump_backtrace+0x0/0x43c [ 119.552848][ T5432] show_stack+0x2c/0x3c [ 119.554093][ T5432] __dump_stack+0x30/0x40 [ 119.555290][ T5432] dump_stack_lvl+0xf8/0x160 [ 119.556645][ T5432] dump_stack+0x1c/0x5c [ 119.557792][ T5432] should_fail+0x3c0/0x51c [ 119.559067][ T5432] __should_failslab+0xbc/0x10c [ 119.560374][ T5432] should_failslab+0x10/0x28 [ 119.561696][ T5432] slab_pre_alloc_hook+0x64/0xec [ 119.563080][ T5432] kmem_cache_alloc_trace+0x98/0x3fc [ 119.564550][ T5432] btrfs_delete_delayed_dir_index+0x220/0x550 [ 119.566265][ T5432] __btrfs_unlink_inode+0x34c/0xb00 [ 119.567732][ T5432] btrfs_unlink+0x108/0x258 [ 119.569107][ T5432] vfs_unlink+0x2e0/0x4f4 [ 119.570312][ T5432] do_unlinkat+0x31c/0x600 [ 119.571571][ T5432] __arm64_sys_unlinkat+0xe0/0xfc [ 119.572906][ T5432] invoke_syscall+0x98/0x2b8 [ 119.574142][ T5432] el0_svc_common+0x138/0x258 [ 119.575360][ T5432] do_el0_svc+0x58/0x14c [ 119.576469][ T5432] el0_svc+0x78/0x1e0 [ 119.577582][ T5432] el0t_64_sync_handler+0xcc/0xe4 [ 119.578906][ T5432] el0t_64_sync+0x1a0/0x1a4 [ 119.582826][ T5432] ------------[ cut here ]------------ [ 119.584687][ T5432] WARNING: CPU: 1 PID: 5432 at fs/btrfs/inode.c:4182 __btrfs_unlink_inode+0x908/0xb00 [ 119.587317][ T5432] Modules linked in: [ 119.588383][ T5432] CPU: 1 PID: 5432 Comm: syz.0.31 Tainted: G W 5.15.188-syzkaller #0 [ 119.590854][ T5432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 119.593643][ T5432] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 119.595858][ T5432] pc : __btrfs_unlink_inode+0x908/0xb00 [ 119.597457][ T5432] lr : __btrfs_unlink_inode+0x908/0xb00 [ 119.598975][ T5432] sp : ffff800021237a60 [ 119.600168][ T5432] x29: ffff800021237b10 x28: ffff0000dc2e2000 x27: ffff0000e7cf6410 [ 119.602489][ T5432] x26: 0000000000000100 x25: 00000000fffffff4 x24: ffff0000c65ec4d0 [ 119.604758][ T5432] x23: 1ffff00004246f54 x22: dfff800000000000 x21: ffff0000e2ed4e80 [ 119.607027][ T5432] x20: ffff0000e2c05318 x19: 1fffe0001c580a63 x18: 0000000000000001 [ 119.609256][ T5432] x17: 0000000000000000 x16: ffff8000111d162c x15: 00000000ffffffff [ 119.611523][ T5432] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 119.613799][ T5432] x11: 0000000000000000 x10: 0000000000000000 x9 : 7e81bc9459f0a000 [ 119.616122][ T5432] x8 : 7e81bc9459f0a000 x7 : 0000000000000001 x6 : 0000000000000001 [ 119.618442][ T5432] x5 : ffff800021237358 x4 : ffff80001425f400 x3 : ffff8000085051a4 [ 119.620661][ T5432] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 119.622824][ T5432] Call trace: [ 119.623748][ T5432] __btrfs_unlink_inode+0x908/0xb00 [ 119.625238][ T5432] btrfs_unlink+0x108/0x258 [ 119.626583][ T5432] vfs_unlink+0x2e0/0x4f4 [ 119.627754][ T5432] do_unlinkat+0x31c/0x600 [ 119.629075][ T5432] __arm64_sys_unlinkat+0xe0/0xfc [ 119.630460][ T5432] invoke_syscall+0x98/0x2b8 [ 119.631680][ T5432] el0_svc_common+0x138/0x258 [ 119.632936][ T5432] do_el0_svc+0x58/0x14c [ 119.634075][ T5432] el0_svc+0x78/0x1e0 [ 119.635161][ T5432] el0t_64_sync_handler+0xcc/0xe4 [ 119.636552][ T5432] el0t_64_sync+0x1a0/0x1a4 [ 119.637792][ T5432] irq event stamp: 80364 [ 119.638936][ T5432] hardirqs last enabled at (80363): [] __up_console_sem+0xb4/0x100 [ 119.641663][ T5432] hardirqs last disabled at (80364): [] el1_dbg+0x24/0x80 [ 119.644094][ T5432] softirqs last enabled at (80344): [] handle_softirqs+0xa4c/0xbf0 [ 119.646796][ T5432] softirqs last disabled at (80237): [] __irq_exit_rcu+0x240/0x440 [ 119.649498][ T5432] ---[ end trace de367301e9b9750c ]--- [ 119.654772][ T5432] BTRFS: error (device loop0) in __btrfs_unlink_inode:4182: errno=-12 Out of memory [ 119.657474][ T5432] BTRFS info (device loop0): forced readonly [ 119.932530][ T5454] loop0: detected capacity change from 0 to 32768 [ 120.025660][ T5454] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.32 (5454) [ 120.034360][ T5454] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 120.037052][ T5454] BTRFS info (device loop0): using free space tree [ 120.038981][ T5454] BTRFS info (device loop0): has skinny extents [ 120.055582][ T5454] BTRFS info (device loop0): enabling ssd optimizations [ 120.064001][ T5454] FAULT_INJECTION: forcing a failure. [ 120.064001][ T5454] name failslab, interval 1, probability 0, space 0, times 0 [ 120.067424][ T5454] CPU: 1 PID: 5454 Comm: syz.0.32 Tainted: G W 5.15.188-syzkaller #0 [ 120.069912][ T5454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 120.072691][ T5454] Call trace: [ 120.073546][ T5454] dump_backtrace+0x0/0x43c [ 120.074840][ T5454] show_stack+0x2c/0x3c [ 120.076093][ T5454] __dump_stack+0x30/0x40 [ 120.077304][ T5454] dump_stack_lvl+0xf8/0x160 [ 120.078694][ T5454] dump_stack+0x1c/0x5c [ 120.079842][ T5454] should_fail+0x3c0/0x51c [ 120.081125][ T5454] __should_failslab+0xbc/0x10c [ 120.082623][ T5454] should_failslab+0x10/0x28 [ 120.083909][ T5454] slab_pre_alloc_hook+0x64/0xec [ 120.085278][ T5454] kmem_cache_alloc_trace+0x98/0x3fc [ 120.086733][ T5454] btrfs_delete_delayed_dir_index+0x220/0x550 [ 120.088383][ T5454] __btrfs_unlink_inode+0x34c/0xb00 [ 120.089825][ T5454] btrfs_unlink+0x108/0x258 [ 120.091143][ T5454] vfs_unlink+0x2e0/0x4f4 [ 120.092371][ T5454] do_unlinkat+0x31c/0x600 [ 120.093684][ T5454] __arm64_sys_unlinkat+0xe0/0xfc [ 120.095060][ T5454] invoke_syscall+0x98/0x2b8 [ 120.096268][ T5454] el0_svc_common+0x138/0x258 [ 120.097580][ T5454] do_el0_svc+0x58/0x14c [ 120.098715][ T5454] el0_svc+0x78/0x1e0 [ 120.099833][ T5454] el0t_64_sync_handler+0xcc/0xe4 [ 120.101262][ T5454] el0t_64_sync+0x1a0/0x1a4 [ 120.106777][ T5454] ------------[ cut here ]------------ [ 120.108538][ T5454] WARNING: CPU: 1 PID: 5454 at fs/btrfs/inode.c:4182 __btrfs_unlink_inode+0x908/0xb00 [ 120.111050][ T5454] Modules linked in: [ 120.112106][ T5454] CPU: 1 PID: 5454 Comm: syz.0.32 Tainted: G W 5.15.188-syzkaller #0 [ 120.114717][ T5454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 120.117507][ T5454] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 120.119720][ T5454] pc : __btrfs_unlink_inode+0x908/0xb00 [ 120.121226][ T5454] lr : __btrfs_unlink_inode+0x908/0xb00 [ 120.122750][ T5454] sp : ffff8000211c7a60 [ 120.123867][ T5454] x29: ffff8000211c7b10 x28: ffff0000ddf40000 x27: ffff0000e7cf6810 [ 120.126062][ T5454] x26: 0000000000000100 x25: 00000000fffffff4 x24: ffff0000ced53f20 [ 120.128311][ T5454] x23: 1ffff00004238f54 x22: dfff800000000000 x21: ffff0000e2ed6bf0 [ 120.130598][ T5454] x20: ffff0000e2c053c8 x19: 1fffe0001c580a79 x18: 0000000000000001 [ 120.132792][ T5454] x17: 0000000000000000 x16: ffff8000111d162c x15: 00000000ffffffff [ 120.135072][ T5454] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 120.137304][ T5454] x11: 0000000000000000 x10: 0000000000000000 x9 : 34061e25e4872100 [ 120.139595][ T5454] x8 : 34061e25e4872100 x7 : 0000000000000001 x6 : 0000000000000001 [ 120.141867][ T5454] x5 : ffff8000211c7358 x4 : ffff80001425f400 x3 : ffff8000085051a4 [ 120.144060][ T5454] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 120.146236][ T5454] Call trace: [ 120.147168][ T5454] __btrfs_unlink_inode+0x908/0xb00 [ 120.148592][ T5454] btrfs_unlink+0x108/0x258 [ 120.149879][ T5454] vfs_unlink+0x2e0/0x4f4 [ 120.151092][ T5454] do_unlinkat+0x31c/0x600 [ 120.152460][ T5454] __arm64_sys_unlinkat+0xe0/0xfc [ 120.153885][ T5454] invoke_syscall+0x98/0x2b8 [ 120.155190][ T5454] el0_svc_common+0x138/0x258 [ 120.156593][ T5454] do_el0_svc+0x58/0x14c [ 120.157795][ T5454] el0_svc+0x78/0x1e0 [ 120.159019][ T5454] el0t_64_sync_handler+0xcc/0xe4 [ 120.160401][ T5454] el0t_64_sync+0x1a0/0x1a4 [ 120.161626][ T5454] irq event stamp: 80342 [ 120.162837][ T5454] hardirqs last enabled at (80341): [] __up_console_sem+0xb4/0x100 [ 120.165530][ T5454] hardirqs last disabled at (80342): [] el1_dbg+0x24/0x80 [ 120.167904][ T5454] softirqs last enabled at (80322): [] handle_softirqs+0xa4c/0xbf0 [ 120.170530][ T5454] softirqs last disabled at (80297): [] __irq_exit_rcu+0x240/0x440 [ 120.173065][ T5454] ---[ end trace de367301e9b9750d ]--- [ 120.178963][ T5454] BTRFS: error (device loop0) in __btrfs_unlink_inode:4182: errno=-12 Out of memory [ 120.181850][ T5454] BTRFS info (device loop0): forced readonly [ 120.468446][ T5476] loop0: detected capacity change from 0 to 32768 [ 120.476652][ T5476] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.33 (5476) [ 120.482298][ T5476] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 120.484814][ T5476] BTRFS info (device loop0): using free space tree [ 120.486566][ T5476] BTRFS info (device loop0): has skinny extents [ 120.504719][ T5476] BTRFS info (device loop0): enabling ssd optimizations [ 120.512469][ T5476] FAULT_INJECTION: forcing a failure. [ 120.512469][ T5476] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 120.516058][ T5476] CPU: 1 PID: 5476 Comm: syz.0.33 Tainted: G W 5.15.188-syzkaller #0 [ 120.518504][ T5476] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 120.521142][ T5476] Call trace: [ 120.522028][ T5476] dump_backtrace+0x0/0x43c [ 120.523290][ T5476] show_stack+0x2c/0x3c [ 120.524414][ T5476] __dump_stack+0x30/0x40 [ 120.525590][ T5476] dump_stack_lvl+0xf8/0x160 [ 120.526787][ T5476] dump_stack+0x1c/0x5c [ 120.527970][ T5476] should_fail+0x3c0/0x51c [ 120.529154][ T5476] should_fail_alloc_page+0x74/0xa8 [ 120.530529][ T5476] prepare_alloc_pages+0x160/0x460 [ 120.531873][ T5476] __alloc_pages+0x108/0x470 [ 120.533171][ T5476] alloc_pages+0x34c/0x5c0 [ 120.534456][ T5476] new_slab+0xe0/0x55c [ 120.535525][ T5476] ___slab_alloc+0x6c0/0xda8 [ 120.536749][ T5476] __slab_alloc+0x68/0xc0 [ 120.537953][ T5476] kmem_cache_alloc+0x2ac/0x3e4 [ 120.539355][ T5476] btrfs_alloc_path+0x5c/0x68 [ 120.540667][ T5476] __btrfs_unlink_inode+0x1d8/0xb00 [ 120.542081][ T5476] btrfs_unlink+0x108/0x258 [ 120.543320][ T5476] vfs_unlink+0x2e0/0x4f4 [ 120.544502][ T5476] do_unlinkat+0x31c/0x600 [ 120.545830][ T5476] __arm64_sys_unlinkat+0xe0/0xfc [ 120.547162][ T5476] invoke_syscall+0x98/0x2b8 [ 120.548422][ T5476] el0_svc_common+0x138/0x258 [ 120.549688][ T5476] do_el0_svc+0x58/0x14c [ 120.550792][ T5476] el0_svc+0x78/0x1e0 [ 120.551844][ T5476] el0t_64_sync_handler+0xcc/0xe4 [ 120.553131][ T5476] el0t_64_sync+0x1a0/0x1a4 [ 120.669896][ T5061] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 10 /dev/loop0 scanned by udevd (5061) [ 120.865950][ T5497] loop0: detected capacity change from 0 to 32768 [ 120.966140][ T5497] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 120.968589][ T5497] BTRFS info (device loop0): using free space tree