Warning: Permanently added '10.128.1.239' (ED25519) to the list of known hosts. 1970/01/01 00:01:24 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:01:24 ignoring optional flag "type"="gce" 1970/01/01 00:01:24 parsed 1 programs [ 87.204803][ T4487] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 95.216333][ T294] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 95.218772][ T294] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 95.226081][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 95.233627][ T148] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 95.235982][ T148] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 95.239460][ T294] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 95.669889][ T4524] chnl_net:caif_netlink_parms(): no params data found [ 95.709970][ T4524] bridge0: port 1(bridge_slave_0) entered blocking state [ 95.712142][ T4524] bridge0: port 1(bridge_slave_0) entered disabled state [ 95.714832][ T4524] device bridge_slave_0 entered promiscuous mode [ 95.718764][ T4524] bridge0: port 2(bridge_slave_1) entered blocking state [ 95.720918][ T4524] bridge0: port 2(bridge_slave_1) entered disabled state [ 95.723642][ T4524] device bridge_slave_1 entered promiscuous mode [ 95.739949][ T4524] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 95.744718][ T4524] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 95.792918][ T4524] team0: Port device team_slave_0 added [ 95.796540][ T4524] team0: Port device team_slave_1 added [ 95.813519][ T4524] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 95.815488][ T4524] 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. [ 95.823402][ T4524] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 95.827941][ T4524] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 95.831657][ T4524] 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. [ 95.838637][ T4524] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 95.913659][ T4524] device hsr_slave_0 entered promiscuous mode [ 95.971575][ T4524] device hsr_slave_1 entered promiscuous mode [ 96.889859][ T4524] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 96.942804][ T4524] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 96.968506][ T4524] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 97.026387][ T4524] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 97.127668][ T4524] 8021q: adding VLAN 0 to HW filter on device bond0 [ 97.135118][ T294] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 97.137862][ T294] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 97.152325][ T4524] 8021q: adding VLAN 0 to HW filter on device team0 [ 97.157154][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 97.165611][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 97.172084][ T148] bridge0: port 1(bridge_slave_0) entered blocking state [ 97.173992][ T148] bridge0: port 1(bridge_slave_0) entered forwarding state [ 97.188301][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 97.196255][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 97.201072][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 97.203751][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 97.205808][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 97.208849][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 97.231696][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 97.234800][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 97.238610][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 97.242404][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 97.245359][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 97.248199][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 97.252856][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 97.255755][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 97.258674][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 97.262507][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 97.267528][ T4524] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 97.364137][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 97.366375][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 97.373500][ T4524] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 97.406253][ T294] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 97.410867][ T294] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 97.432588][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 97.435404][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 97.438728][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 97.443286][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 97.448155][ T4524] device veth0_vlan entered promiscuous mode [ 97.457067][ T4524] device veth1_vlan entered promiscuous mode [ 97.471520][ T294] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 97.474263][ T294] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 97.477324][ T294] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 97.480926][ T294] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 97.485575][ T4524] device veth0_macvtap entered promiscuous mode [ 97.495229][ T4524] device veth1_macvtap entered promiscuous mode [ 97.511194][ T4524] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 97.513611][ T294] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 97.517832][ T294] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 97.520751][ T294] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 97.523669][ T294] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 97.530059][ T4524] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 97.532281][ T294] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 97.535065][ T294] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 97.541024][ T4524] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 97.543404][ T4524] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 97.545748][ T4524] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 97.548095][ T4524] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:01:38 executed programs: 0 [ 98.587969][ T4681] chnl_net:caif_netlink_parms(): no params data found [ 98.635545][ T4681] bridge0: port 1(bridge_slave_0) entered blocking state [ 98.637869][ T4681] bridge0: port 1(bridge_slave_0) entered disabled state [ 98.642848][ T4681] device bridge_slave_0 entered promiscuous mode [ 98.646775][ T4681] bridge0: port 2(bridge_slave_1) entered blocking state [ 98.648818][ T4681] bridge0: port 2(bridge_slave_1) entered disabled state [ 98.653459][ T4681] device bridge_slave_1 entered promiscuous mode [ 98.675863][ T4681] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 98.681561][ T4681] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 98.701792][ T4681] team0: Port device team_slave_0 added [ 98.706571][ T4681] team0: Port device team_slave_1 added [ 98.725276][ T4681] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 98.727238][ T4681] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 98.737592][ T4681] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 98.742567][ T4681] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 98.744467][ T4681] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 98.752308][ T4681] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 98.811155][ T4681] device hsr_slave_0 entered promiscuous mode [ 98.859538][ T4681] device hsr_slave_1 entered promiscuous mode [ 98.879715][ T4681] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 98.881770][ T4681] Cannot create hsr debugfs directory [ 98.955401][ T4681] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 100.519265][ T4137] Bluetooth: hci0: command 0x0409 tx timeout [ 101.417773][ T4681] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 102.589341][ T4201] Bluetooth: hci0: command 0x041b tx timeout [ 102.628419][ T4681] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 102.687990][ T4681] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 102.858414][ T4681] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 102.911962][ T4681] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 102.951701][ T4681] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 103.001223][ T4681] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 103.147638][ T4681] 8021q: adding VLAN 0 to HW filter on device bond0 [ 103.163943][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 103.166582][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 103.172726][ T4681] 8021q: adding VLAN 0 to HW filter on device team0 [ 103.177278][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 103.181089][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 103.183922][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 103.185949][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 103.192316][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 103.194912][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 103.197647][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 103.203186][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 103.205172][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 103.211221][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 103.216502][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 103.224440][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 103.227929][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 103.232570][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 103.253657][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 103.256700][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 103.264324][ T433] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 103.267035][ T433] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 103.272948][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 103.275646][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 103.280334][ T4681] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 103.357817][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 103.360769][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 103.368507][ T4681] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 103.380796][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 103.383746][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 103.398026][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 103.400888][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 103.403750][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 103.406450][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 103.413533][ T4681] device veth0_vlan entered promiscuous mode [ 103.422751][ T4681] device veth1_vlan entered promiscuous mode [ 103.438363][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 103.441621][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 103.444266][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 103.446983][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 103.454587][ T4681] device veth0_macvtap entered promiscuous mode [ 103.460508][ T4681] device veth1_macvtap entered promiscuous mode [ 103.472546][ T4681] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 103.475499][ T4681] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 103.480380][ T4681] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 103.483202][ T433] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 103.485814][ T433] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 103.488416][ T433] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 103.491551][ T433] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 103.495408][ T4681] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 103.498275][ T4681] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 103.503807][ T4681] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 103.506462][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 103.509601][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 103.514843][ T4681] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 103.517210][ T4681] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 103.520580][ T4681] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 103.522911][ T4681] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 103.584835][ T433] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 103.587244][ T433] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 103.590860][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 103.607211][ T148] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 103.610566][ T148] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 103.613904][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:01:43 executed programs: 2 [ 103.850838][ T4926] loop0: detected capacity change from 0 to 32768 [ 103.904263][ T4926] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.15 (4926) [ 103.917739][ T4926] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 103.920909][ T4926] BTRFS info (device loop0): using free space tree [ 103.922652][ T4926] BTRFS info (device loop0): has skinny extents [ 103.948041][ T4926] BTRFS info (device loop0): enabling ssd optimizations [ 103.966782][ T4926] FAULT_INJECTION: forcing a failure. [ 103.966782][ T4926] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 103.970639][ T4926] CPU: 0 PID: 4926 Comm: syz.0.15 Not tainted 5.15.189-syzkaller #0 [ 103.972808][ T4926] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 103.975721][ T4926] Call trace: [ 103.976768][ T4926] dump_backtrace+0x0/0x43c [ 103.977994][ T4926] show_stack+0x2c/0x3c [ 103.979233][ T4926] __dump_stack+0x30/0x40 [ 103.980379][ T4926] dump_stack_lvl+0xf8/0x160 [ 103.981572][ T4926] dump_stack+0x1c/0x5c [ 103.982748][ T4926] should_fail+0x3c0/0x51c [ 103.983967][ T4926] should_fail_alloc_page+0x74/0xa8 [ 103.985464][ T4926] prepare_alloc_pages+0x160/0x460 [ 103.986825][ T4926] __alloc_pages+0x108/0x470 [ 103.988052][ T4926] alloc_pages+0x34c/0x5c0 [ 103.989288][ T4926] new_slab+0xe0/0x55c [ 103.990383][ T4926] ___slab_alloc+0x6c0/0xda8 [ 103.991630][ T4926] __slab_alloc+0x68/0xc0 [ 103.992810][ T4926] kmem_cache_alloc+0x2ac/0x3e4 [ 103.994120][ T4926] btrfs_add_delayed_data_ref+0x164/0xd0c [ 103.995752][ T4926] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 103.997480][ T4926] btrfs_insert_replace_extent+0x7e4/0x970 [ 103.999171][ T4926] btrfs_replace_file_extents+0xa68/0x1290 [ 104.000830][ T4926] __btrfs_prealloc_file_range+0x390/0xb88 [ 104.002429][ T4926] btrfs_prealloc_file_range+0x60/0x7c [ 104.003913][ T4926] btrfs_fallocate+0x1330/0x1614 [ 104.005242][ T4926] vfs_fallocate+0x4a4/0x5f4 [ 104.006499][ T4926] __arm64_sys_fallocate+0xc0/0x110 [ 104.008038][ T4926] invoke_syscall+0x98/0x2b8 [ 104.009341][ T4926] el0_svc_common+0x138/0x258 [ 104.010584][ T4926] do_el0_svc+0x58/0x14c [ 104.011773][ T4926] el0_svc+0x78/0x1e0 [ 104.012823][ T4926] el0t_64_sync_handler+0xcc/0xe4 [ 104.014191][ T4926] el0t_64_sync+0x1a0/0x1a4 [ 104.128165][ T4628] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 10 /dev/loop0 scanned by udevd (4628) [ 104.373492][ T4951] loop0: detected capacity change from 0 to 32768 [ 104.433500][ T4951] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 104.436027][ T4951] BTRFS info (device loop0): using free space tree [ 104.437820][ T4951] BTRFS info (device loop0): has skinny extents [ 104.459597][ T4951] BTRFS info (device loop0): enabling ssd optimizations [ 104.466649][ T4951] FAULT_INJECTION: forcing a failure. [ 104.466649][ T4951] name failslab, interval 1, probability 0, space 0, times 1 [ 104.472216][ T4951] CPU: 0 PID: 4951 Comm: syz.0.16 Not tainted 5.15.189-syzkaller #0 [ 104.474403][ T4951] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 104.477193][ T4951] Call trace: [ 104.478068][ T4951] dump_backtrace+0x0/0x43c [ 104.479334][ T4951] show_stack+0x2c/0x3c [ 104.480522][ T4951] __dump_stack+0x30/0x40 [ 104.481774][ T4951] dump_stack_lvl+0xf8/0x160 [ 104.483011][ T4951] dump_stack+0x1c/0x5c [ 104.484106][ T4951] should_fail+0x3c0/0x51c [ 104.485386][ T4951] __should_failslab+0xbc/0x10c [ 104.486690][ T4951] should_failslab+0x10/0x28 [ 104.487976][ T4951] slab_pre_alloc_hook+0x64/0xec [ 104.489324][ T4951] kmem_cache_alloc+0x94/0x3e4 [ 104.490619][ T4951] btrfs_add_delayed_data_ref+0x164/0xd0c [ 104.492224][ T4951] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 104.493910][ T4951] btrfs_insert_replace_extent+0x7e4/0x970 [ 104.495463][ T4951] btrfs_replace_file_extents+0xa68/0x1290 [ 104.497023][ T4951] __btrfs_prealloc_file_range+0x390/0xb88 [ 104.498625][ T4951] btrfs_prealloc_file_range+0x60/0x7c [ 104.500150][ T4951] btrfs_fallocate+0x1330/0x1614 [ 104.501514][ T4951] vfs_fallocate+0x4a4/0x5f4 [ 104.502813][ T4951] __arm64_sys_fallocate+0xc0/0x110 [ 104.504180][ T4951] invoke_syscall+0x98/0x2b8 [ 104.505417][ T4951] el0_svc_common+0x138/0x258 [ 104.506631][ T4951] do_el0_svc+0x58/0x14c [ 104.507787][ T4951] el0_svc+0x78/0x1e0 [ 104.508887][ T4951] el0t_64_sync_handler+0xcc/0xe4 [ 104.510337][ T4951] el0t_64_sync+0x1a0/0x1a4 [ 104.521154][ T4951] ------------[ cut here ]------------ [ 104.523058][ T4951] WARNING: CPU: 0 PID: 4951 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 104.525888][ T4951] Modules linked in: [ 104.527047][ T4951] CPU: 0 PID: 4951 Comm: syz.0.16 Not tainted 5.15.189-syzkaller #0 [ 104.529315][ T4951] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 104.532067][ T4951] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 104.534178][ T4951] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 104.535843][ T4951] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 104.537510][ T4951] sp : ffff80001fe67640 [ 104.538696][ T4951] x29: ffff80001fe67760 x28: 000000000000cfff x27: 0000000000000000 [ 104.540934][ T4951] x26: dfff800000000000 x25: ffff0000c1548000 x24: ffff0000ec822740 [ 104.543228][ T4951] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000de5ed3c8 [ 104.545500][ T4951] x20: ffff0000de5ed370 x19: 1fffe0001bcbda79 x18: 0000000000000001 [ 104.547690][ T4951] x17: 0000000000000000 x16: ffff8000111bc798 x15: 00000000ffffffff [ 104.549967][ T4951] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 104.552175][ T4951] x11: 0000000000000000 x10: 0000000000000000 x9 : 2ff6bfd6ed8f8e00 [ 104.554345][ T4951] x8 : 2ff6bfd6ed8f8e00 x7 : 0000000000000001 x6 : 0000000000000001 [ 104.556554][ T4951] x5 : ffff80001fe66f38 x4 : ffff80001424f400 x3 : ffff80000850433c [ 104.558847][ T4951] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 104.561121][ T4951] Call trace: [ 104.561985][ T4951] btrfs_replace_file_extents+0xcc4/0x1290 [ 104.563545][ T4951] __btrfs_prealloc_file_range+0x390/0xb88 [ 104.565191][ T4951] btrfs_prealloc_file_range+0x60/0x7c [ 104.566677][ T4951] btrfs_fallocate+0x1330/0x1614 [ 104.568016][ T4951] vfs_fallocate+0x4a4/0x5f4 [ 104.569264][ T4951] __arm64_sys_fallocate+0xc0/0x110 [ 104.570766][ T4951] invoke_syscall+0x98/0x2b8 [ 104.572011][ T4951] el0_svc_common+0x138/0x258 [ 104.573359][ T4951] do_el0_svc+0x58/0x14c [ 104.574503][ T4951] el0_svc+0x78/0x1e0 [ 104.575594][ T4951] el0t_64_sync_handler+0xcc/0xe4 [ 104.577005][ T4951] el0t_64_sync+0x1a0/0x1a4 [ 104.578311][ T4951] irq event stamp: 80748 [ 104.579444][ T4951] hardirqs last enabled at (80747): [] __up_console_sem+0xb4/0x100 [ 104.582218][ T4951] hardirqs last disabled at (80748): [] el1_dbg+0x24/0x80 [ 104.584680][ T4951] softirqs last enabled at (80724): [] handle_softirqs+0xa4c/0xbf0 [ 104.587326][ T4951] softirqs last disabled at (80599): [] __irq_exit_rcu+0x240/0x440 [ 104.590019][ T4951] ---[ end trace 4b68a30be86d7289 ]--- [ 104.600705][ T4951] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 104.603424][ T4951] BTRFS info (device loop0): forced readonly [ 104.672916][ T1534] Bluetooth: hci0: command 0x040f tx timeout [ 104.871190][ T136] device hsr_slave_0 left promiscuous mode [ 104.891651][ T136] device hsr_slave_1 left promiscuous mode [ 104.932101][ T4973] loop0: detected capacity change from 0 to 32768 [ 104.969215][ T136] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 104.971383][ T136] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 104.975155][ T4973] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.17 (4973) [ 104.983521][ T136] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 104.985541][ T136] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 104.988631][ T4973] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 104.991948][ T4973] BTRFS info (device loop0): using free space tree [ 104.994638][ T136] device bridge_slave_1 left promiscuous mode [ 104.996449][ T136] bridge0: port 2(bridge_slave_1) entered disabled state [ 104.998900][ T4973] BTRFS info (device loop0): has skinny extents [ 105.020502][ T4973] BTRFS info (device loop0): enabling ssd optimizations [ 105.032296][ T4973] FAULT_INJECTION: forcing a failure. [ 105.032296][ T4973] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 105.036292][ T4973] CPU: 1 PID: 4973 Comm: syz.0.17 Tainted: G W 5.15.189-syzkaller #0 [ 105.038711][ T4973] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 105.041475][ T4973] Call trace: [ 105.042354][ T4973] dump_backtrace+0x0/0x43c [ 105.043552][ T4973] show_stack+0x2c/0x3c [ 105.044698][ T4973] __dump_stack+0x30/0x40 [ 105.045903][ T4973] dump_stack_lvl+0xf8/0x160 [ 105.047136][ T4973] dump_stack+0x1c/0x5c [ 105.048278][ T4973] should_fail+0x3c0/0x51c [ 105.049477][ T4973] should_fail_alloc_page+0x74/0xa8 [ 105.050906][ T4973] prepare_alloc_pages+0x160/0x460 [ 105.052327][ T4973] __alloc_pages+0x108/0x470 [ 105.053550][ T4973] alloc_pages+0x34c/0x5c0 [ 105.054744][ T4973] new_slab+0xe0/0x55c [ 105.055830][ T4973] ___slab_alloc+0x6c0/0xda8 [ 105.057072][ T4973] __slab_alloc+0x68/0xc0 [ 105.058279][ T4973] kmem_cache_alloc+0x2ac/0x3e4 [ 105.059632][ T4973] btrfs_add_delayed_data_ref+0x164/0xd0c [ 105.061221][ T4973] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 105.063004][ T4973] btrfs_insert_replace_extent+0x7e4/0x970 [ 105.064630][ T4973] btrfs_replace_file_extents+0xa68/0x1290 [ 105.066214][ T4973] __btrfs_prealloc_file_range+0x390/0xb88 [ 105.067790][ T4973] btrfs_prealloc_file_range+0x60/0x7c [ 105.069322][ T4973] btrfs_fallocate+0x1330/0x1614 [ 105.070690][ T4973] vfs_fallocate+0x4a4/0x5f4 [ 105.072003][ T4973] __arm64_sys_fallocate+0xc0/0x110 [ 105.073465][ T4973] invoke_syscall+0x98/0x2b8 [ 105.074735][ T4973] el0_svc_common+0x138/0x258 [ 105.076084][ T4973] do_el0_svc+0x58/0x14c [ 105.077271][ T4973] el0_svc+0x78/0x1e0 [ 105.078422][ T4973] el0t_64_sync_handler+0xcc/0xe4 [ 105.079843][ T4973] el0t_64_sync+0x1a0/0x1a4 [ 105.082085][ T136] device bridge_slave_0 left promiscuous mode [ 105.083934][ T136] bridge0: port 1(bridge_slave_0) entered disabled state [ 105.167250][ T4628] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 10 /dev/loop0 scanned by udevd (4628) [ 105.260536][ T136] device veth1_macvtap left promiscuous mode [ 105.262320][ T136] device veth0_macvtap left promiscuous mode [ 105.263991][ T136] device veth1_vlan left promiscuous mode [ 105.265566][ T136] device veth0_vlan left promiscuous mode [ 105.471406][ T4996] loop0: detected capacity change from 0 to 32768 [ 105.480476][ T4996] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 105.482965][ T4996] BTRFS info (device loop0): using free space tree [ 105.484743][ T4996] BTRFS info (device loop0): has skinny extents [ 105.566067][ T4996] BTRFS info (device loop0): enabling ssd optimizations [ 105.576462][ T136] team0 (unregistering): Port device team_slave_1 removed [ 105.577546][ T4996] FAULT_INJECTION: forcing a failure. [ 105.577546][ T4996] name failslab, interval 1, probability 0, space 0, times 0 [ 105.583396][ T4996] CPU: 1 PID: 4996 Comm: syz.0.18 Tainted: G W 5.15.189-syzkaller #0 [ 105.585906][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 105.588567][ T4996] Call trace: [ 105.589513][ T4996] dump_backtrace+0x0/0x43c [ 105.590729][ T4996] show_stack+0x2c/0x3c [ 105.591862][ T4996] __dump_stack+0x30/0x40 [ 105.593106][ T4996] dump_stack_lvl+0xf8/0x160 [ 105.594451][ T4996] dump_stack+0x1c/0x5c [ 105.595608][ T4996] should_fail+0x3c0/0x51c [ 105.596794][ T4996] __should_failslab+0xbc/0x10c [ 105.598161][ T4996] should_failslab+0x10/0x28 [ 105.599506][ T4996] slab_pre_alloc_hook+0x64/0xec [ 105.600922][ T4996] kmem_cache_alloc+0x94/0x3e4 [ 105.602247][ T4996] btrfs_add_delayed_data_ref+0x164/0xd0c [ 105.603849][ T4996] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 105.605552][ T4996] btrfs_insert_replace_extent+0x7e4/0x970 [ 105.607315][ T4996] btrfs_replace_file_extents+0xa68/0x1290 [ 105.608934][ T4996] __btrfs_prealloc_file_range+0x390/0xb88 [ 105.610546][ T4996] btrfs_prealloc_file_range+0x60/0x7c [ 105.612141][ T4996] btrfs_fallocate+0x1330/0x1614 [ 105.613592][ T4996] vfs_fallocate+0x4a4/0x5f4 [ 105.614890][ T4996] __arm64_sys_fallocate+0xc0/0x110 [ 105.616387][ T4996] invoke_syscall+0x98/0x2b8 [ 105.617623][ T4996] el0_svc_common+0x138/0x258 [ 105.618937][ T4996] do_el0_svc+0x58/0x14c [ 105.620056][ T4996] el0_svc+0x78/0x1e0 [ 105.621117][ T4996] el0t_64_sync_handler+0xcc/0xe4 [ 105.622493][ T4996] el0t_64_sync+0x1a0/0x1a4 [ 105.625348][ T136] team0 (unregistering): Port device team_slave_0 removed [ 105.626915][ T4996] ------------[ cut here ]------------ [ 105.629166][ T4996] WARNING: CPU: 1 PID: 4996 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 105.632000][ T4996] Modules linked in: [ 105.633063][ T4996] CPU: 1 PID: 4996 Comm: syz.0.18 Tainted: G W 5.15.189-syzkaller #0 [ 105.635696][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 105.638480][ T4996] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 105.640555][ T4996] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 105.642321][ T4996] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 105.644015][ T4996] sp : ffff80001fe37640 [ 105.645259][ T4996] x29: ffff80001fe37760 x28: 000000000000cfff x27: 0000000000000000 [ 105.647513][ T4996] x26: dfff800000000000 x25: ffff0000c89ce000 x24: ffff0000e26e2740 [ 105.649743][ T4996] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000de5e63c8 [ 105.651856][ T4996] x20: ffff0000de5e6370 x19: 1fffe0001bcbcc79 x18: 0000000000000001 [ 105.654038][ T4996] x17: 0000000000000000 x16: ffff8000083020fc x15: 00000000ffffffff [ 105.656345][ T4996] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 105.658577][ T4996] x11: 0000000000000000 x10: 0000000000000000 x9 : 721c264843612e00 [ 105.660792][ T4996] x8 : 721c264843612e00 x7 : 0000000000000001 x6 : 0000000000000001 [ 105.663020][ T4996] x5 : ffff80001fe36f38 x4 : ffff80001424f400 x3 : ffff80000830220c [ 105.665239][ T4996] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 105.667462][ T4996] Call trace: [ 105.668381][ T4996] btrfs_replace_file_extents+0xcc4/0x1290 [ 105.669894][ T4996] __btrfs_prealloc_file_range+0x390/0xb88 [ 105.671519][ T4996] btrfs_prealloc_file_range+0x60/0x7c [ 105.673014][ T4996] btrfs_fallocate+0x1330/0x1614 [ 105.674396][ T4996] vfs_fallocate+0x4a4/0x5f4 [ 105.675711][ T4996] __arm64_sys_fallocate+0xc0/0x110 [ 105.677151][ T4996] invoke_syscall+0x98/0x2b8 [ 105.678426][ T4996] el0_svc_common+0x138/0x258 [ 105.679694][ T4996] do_el0_svc+0x58/0x14c [ 105.680852][ T4996] el0_svc+0x78/0x1e0 [ 105.681955][ T4996] el0t_64_sync_handler+0xcc/0xe4 [ 105.683294][ T4996] el0t_64_sync+0x1a0/0x1a4 [ 105.684500][ T4996] irq event stamp: 81438 [ 105.685661][ T4996] hardirqs last enabled at (81437): [] __up_console_sem+0xb4/0x100 [ 105.688285][ T4996] hardirqs last disabled at (81438): [] el1_dbg+0x24/0x80 [ 105.690708][ T4996] softirqs last enabled at (81412): [] handle_softirqs+0xa4c/0xbf0 [ 105.693385][ T4996] softirqs last disabled at (81361): [] __irq_exit_rcu+0x240/0x440 [ 105.696081][ T4996] ---[ end trace 4b68a30be86d728a ]--- [ 105.699122][ T136] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 105.699821][ T4996] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 105.704195][ T4996] BTRFS info (device loop0): forced readonly [ 105.768020][ T136] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 105.928145][ T136] bond0 (unregistering): Released all slaves [ 106.097769][ T5018] loop0: detected capacity change from 0 to 32768 [ 106.201597][ T5018] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.19 (5018) [ 106.245632][ T5018] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 106.248776][ T5018] BTRFS info (device loop0): using free space tree [ 106.250607][ T5018] BTRFS info (device loop0): has skinny extents [ 106.273403][ T5018] BTRFS info (device loop0): enabling ssd optimizations [ 106.284699][ T5018] FAULT_INJECTION: forcing a failure. [ 106.284699][ T5018] name failslab, interval 1, probability 0, space 0, times 0 [ 106.288308][ T5018] CPU: 1 PID: 5018 Comm: syz.0.19 Tainted: G W 5.15.189-syzkaller #0 [ 106.290826][ T5018] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 106.293620][ T5018] Call trace: [ 106.294495][ T5018] dump_backtrace+0x0/0x43c [ 106.295802][ T5018] show_stack+0x2c/0x3c [ 106.296938][ T5018] __dump_stack+0x30/0x40 [ 106.298175][ T5018] dump_stack_lvl+0xf8/0x160 [ 106.299456][ T5018] dump_stack+0x1c/0x5c [ 106.300594][ T5018] should_fail+0x3c0/0x51c [ 106.301899][ T5018] __should_failslab+0xbc/0x10c [ 106.303192][ T5018] should_failslab+0x10/0x28 [ 106.304517][ T5018] slab_pre_alloc_hook+0x64/0xec [ 106.305874][ T5018] kmem_cache_alloc+0x94/0x3e4 [ 106.307175][ T5018] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 106.308718][ T5018] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 106.310477][ T5018] btrfs_insert_replace_extent+0x7e4/0x970 [ 106.312169][ T5018] btrfs_replace_file_extents+0xa68/0x1290 [ 106.313751][ T5018] __btrfs_prealloc_file_range+0x390/0xb88 [ 106.315319][ T5018] btrfs_prealloc_file_range+0x60/0x7c [ 106.316876][ T5018] btrfs_fallocate+0x1330/0x1614 [ 106.318223][ T5018] vfs_fallocate+0x4a4/0x5f4 [ 106.319548][ T5018] __arm64_sys_fallocate+0xc0/0x110 [ 106.320964][ T5018] invoke_syscall+0x98/0x2b8 [ 106.322277][ T5018] el0_svc_common+0x138/0x258 [ 106.323574][ T5018] do_el0_svc+0x58/0x14c [ 106.324768][ T5018] el0_svc+0x78/0x1e0 [ 106.325863][ T5018] el0t_64_sync_handler+0xcc/0xe4 [ 106.327257][ T5018] el0t_64_sync+0x1a0/0x1a4 [ 106.332879][ T5018] ------------[ cut here ]------------ [ 106.334756][ T5018] WARNING: CPU: 1 PID: 5018 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 106.337616][ T5018] Modules linked in: [ 106.338586][ T5018] CPU: 1 PID: 5018 Comm: syz.0.19 Tainted: G W 5.15.189-syzkaller #0 [ 106.341364][ T5018] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 106.344147][ T5018] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 106.346386][ T5018] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 106.348080][ T5018] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 106.349810][ T5018] sp : ffff8000201c7640 [ 106.351052][ T5018] x29: ffff8000201c7760 x28: 000000000000cfff x27: 0000000000000000 [ 106.353289][ T5018] x26: dfff800000000000 x25: ffff0000d44f6000 x24: ffff0000e26e44b0 [ 106.355526][ T5018] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000de5e6528 [ 106.357740][ T5018] x20: ffff0000de5e64d0 x19: 1fffe0001bcbcca5 x18: 0000000000000001 [ 106.359962][ T5018] x17: 0000000000000000 x16: ffff8000111bc798 x15: 00000000ffffffff [ 106.362293][ T5018] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 106.364479][ T5018] x11: 0000000000000000 x10: 0000000000000000 x9 : c8bb7be35166ba00 [ 106.366765][ T5018] x8 : c8bb7be35166ba00 x7 : 0000000000000001 x6 : 0000000000000001 [ 106.368951][ T5018] x5 : ffff8000201c6f38 x4 : ffff80001424f400 x3 : ffff80000850433c [ 106.371223][ T5018] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 106.373447][ T5018] Call trace: [ 106.374341][ T5018] btrfs_replace_file_extents+0xcc4/0x1290 [ 106.375933][ T5018] __btrfs_prealloc_file_range+0x390/0xb88 [ 106.377518][ T5018] btrfs_prealloc_file_range+0x60/0x7c [ 106.379073][ T5018] btrfs_fallocate+0x1330/0x1614 [ 106.380419][ T5018] vfs_fallocate+0x4a4/0x5f4 [ 106.381764][ T5018] __arm64_sys_fallocate+0xc0/0x110 [ 106.383402][ T5018] invoke_syscall+0x98/0x2b8 [ 106.384738][ T5018] el0_svc_common+0x138/0x258 [ 106.386001][ T5018] do_el0_svc+0x58/0x14c [ 106.387209][ T5018] el0_svc+0x78/0x1e0 [ 106.388307][ T5018] el0t_64_sync_handler+0xcc/0xe4 [ 106.389748][ T5018] el0t_64_sync+0x1a0/0x1a4 [ 106.391032][ T5018] irq event stamp: 80626 [ 106.392247][ T5018] hardirqs last enabled at (80625): [] __up_console_sem+0xb4/0x100 [ 106.394903][ T5018] hardirqs last disabled at (80626): [] el1_dbg+0x24/0x80 [ 106.397319][ T5018] softirqs last enabled at (80596): [] handle_softirqs+0xa4c/0xbf0 [ 106.399938][ T5018] softirqs last disabled at (80551): [] __irq_exit_rcu+0x240/0x440 [ 106.402488][ T5018] ---[ end trace 4b68a30be86d728b ]--- [ 106.410003][ T5018] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 106.412923][ T5018] BTRFS info (device loop0): forced readonly [ 106.749752][ T4149] Bluetooth: hci0: command 0x0419 tx timeout [ 106.834735][ T5039] loop0: detected capacity change from 0 to 32768 [ 106.865782][ T5039] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.20 (5039) [ 106.878186][ T5039] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 106.881712][ T5039] BTRFS info (device loop0): using free space tree [ 106.883585][ T5039] BTRFS info (device loop0): has skinny extents [ 106.910332][ T5039] BTRFS info (device loop0): enabling ssd optimizations [ 106.917200][ T5039] FAULT_INJECTION: forcing a failure. [ 106.917200][ T5039] name failslab, interval 1, probability 0, space 0, times 0 [ 106.923629][ T5039] CPU: 0 PID: 5039 Comm: syz.0.20 Tainted: G W 5.15.189-syzkaller #0 [ 106.926321][ T5039] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 106.929249][ T5039] Call trace: [ 106.930225][ T5039] dump_backtrace+0x0/0x43c [ 106.931640][ T5039] show_stack+0x2c/0x3c [ 106.932827][ T5039] __dump_stack+0x30/0x40 [ 106.934069][ T5039] dump_stack_lvl+0xf8/0x160 [ 106.935388][ T5039] dump_stack+0x1c/0x5c [ 106.936545][ T5039] should_fail+0x3c0/0x51c [ 106.937829][ T5039] __should_failslab+0xbc/0x10c [ 106.939263][ T5039] should_failslab+0x10/0x28 [ 106.940584][ T5039] slab_pre_alloc_hook+0x64/0xec [ 106.942007][ T5039] kmem_cache_alloc+0x94/0x3e4 [ 106.943449][ T5039] btrfs_add_delayed_data_ref+0x164/0xd0c [ 106.945107][ T5039] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 106.946894][ T5039] btrfs_insert_replace_extent+0x7e4/0x970 [ 106.948606][ T5039] btrfs_replace_file_extents+0xa68/0x1290 [ 106.950264][ T5039] __btrfs_prealloc_file_range+0x390/0xb88 [ 106.951966][ T5039] btrfs_prealloc_file_range+0x60/0x7c [ 106.953562][ T5039] btrfs_fallocate+0x1330/0x1614 [ 106.955008][ T5039] vfs_fallocate+0x4a4/0x5f4 [ 106.956340][ T5039] __arm64_sys_fallocate+0xc0/0x110 [ 106.957926][ T5039] invoke_syscall+0x98/0x2b8 [ 106.959224][ T5039] el0_svc_common+0x138/0x258 [ 106.960526][ T5039] do_el0_svc+0x58/0x14c [ 106.961687][ T5039] el0_svc+0x78/0x1e0 [ 106.962797][ T5039] el0t_64_sync_handler+0xcc/0xe4 [ 106.964199][ T5039] el0t_64_sync+0x1a0/0x1a4 [ 106.972869][ T5039] ------------[ cut here ]------------ [ 106.974624][ T5039] WARNING: CPU: 0 PID: 5039 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 106.977226][ T5039] Modules linked in: [ 106.978273][ T5039] CPU: 0 PID: 5039 Comm: syz.0.20 Tainted: G W 5.15.189-syzkaller #0 [ 106.980847][ T5039] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 106.983639][ T5039] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 106.985784][ T5039] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 106.987404][ T5039] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 106.989111][ T5039] sp : ffff8000202c7640 [ 106.990223][ T5039] x29: ffff8000202c7760 x28: 000000000000cfff x27: 0000000000000000 [ 106.992464][ T5039] x26: dfff800000000000 x25: ffff0000ca90a000 x24: ffff0000ec824e80 [ 106.994670][ T5039] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000de5ed528 [ 106.996870][ T5039] x20: ffff0000de5ed4d0 x19: 1fffe0001bcbdaa5 x18: 0000000000000001 [ 106.999006][ T5039] x17: 0000000000000000 x16: ffff8000083020fc x15: 00000000ffffffff [ 107.001315][ T5039] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 107.003411][ T5039] x11: 0000000000000000 x10: 0000000000000000 x9 : d2649e0838f3c300 [ 107.005712][ T5039] x8 : d2649e0838f3c300 x7 : 0000000000000001 x6 : 0000000000000001 [ 107.007963][ T5039] x5 : ffff8000202c6f38 x4 : ffff80001424f400 x3 : ffff80000830220c [ 107.010253][ T5039] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 107.012437][ T5039] Call trace: [ 107.013354][ T5039] btrfs_replace_file_extents+0xcc4/0x1290 [ 107.014970][ T5039] __btrfs_prealloc_file_range+0x390/0xb88 [ 107.016721][ T5039] btrfs_prealloc_file_range+0x60/0x7c [ 107.018206][ T5039] btrfs_fallocate+0x1330/0x1614 [ 107.019616][ T5039] vfs_fallocate+0x4a4/0x5f4 [ 107.020841][ T5039] __arm64_sys_fallocate+0xc0/0x110 [ 107.022168][ T5039] invoke_syscall+0x98/0x2b8 [ 107.023478][ T5039] el0_svc_common+0x138/0x258 [ 107.024753][ T5039] do_el0_svc+0x58/0x14c [ 107.025913][ T5039] el0_svc+0x78/0x1e0 [ 107.027047][ T5039] el0t_64_sync_handler+0xcc/0xe4 [ 107.028514][ T5039] el0t_64_sync+0x1a0/0x1a4 [ 107.029710][ T5039] irq event stamp: 81958 [ 107.030858][ T5039] hardirqs last enabled at (81957): [] __up_console_sem+0xb4/0x100 [ 107.033531][ T5039] hardirqs last disabled at (81958): [] el1_dbg+0x24/0x80 [ 107.035915][ T5039] softirqs last enabled at (81914): [] handle_softirqs+0xa4c/0xbf0 [ 107.038564][ T5039] softirqs last disabled at (81807): [] __irq_exit_rcu+0x240/0x440 [ 107.041414][ T5039] ---[ end trace 4b68a30be86d728c ]--- [ 107.045349][ T5039] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 107.048052][ T5039] BTRFS info (device loop0): forced readonly [ 107.428260][ T5060] loop0: detected capacity change from 0 to 32768 [ 107.481649][ T5060] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.21 (5060) [ 107.502639][ T5060] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 107.505286][ T5060] BTRFS info (device loop0): using free space tree [ 107.507008][ T5060] BTRFS info (device loop0): has skinny extents [ 107.680402][ T5060] BTRFS info (device loop0): enabling ssd optimizations [ 107.688932][ T5060] FAULT_INJECTION: forcing a failure. [ 107.688932][ T5060] name failslab, interval 1, probability 0, space 0, times 0 [ 107.692661][ T5060] CPU: 1 PID: 5060 Comm: syz.0.21 Tainted: G W 5.15.189-syzkaller #0 [ 107.695184][ T5060] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 107.697892][ T5060] Call trace: [ 107.698827][ T5060] dump_backtrace+0x0/0x43c [ 107.700038][ T5060] show_stack+0x2c/0x3c [ 107.701207][ T5060] __dump_stack+0x30/0x40 [ 107.702444][ T5060] dump_stack_lvl+0xf8/0x160 [ 107.703664][ T5060] dump_stack+0x1c/0x5c [ 107.704810][ T5060] should_fail+0x3c0/0x51c [ 107.706006][ T5060] __should_failslab+0xbc/0x10c [ 107.707339][ T5060] should_failslab+0x10/0x28 [ 107.708574][ T5060] slab_pre_alloc_hook+0x64/0xec [ 107.709916][ T5060] kmem_cache_alloc+0x94/0x3e4 [ 107.711172][ T5060] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 107.712831][ T5060] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 107.714563][ T5060] btrfs_insert_replace_extent+0x7e4/0x970 [ 107.716136][ T5060] btrfs_replace_file_extents+0xa68/0x1290 [ 107.717720][ T5060] __btrfs_prealloc_file_range+0x390/0xb88 [ 107.719270][ T5060] btrfs_prealloc_file_range+0x60/0x7c [ 107.720699][ T5060] btrfs_fallocate+0x1330/0x1614 [ 107.722034][ T5060] vfs_fallocate+0x4a4/0x5f4 [ 107.723307][ T5060] __arm64_sys_fallocate+0xc0/0x110 [ 107.724724][ T5060] invoke_syscall+0x98/0x2b8 [ 107.726029][ T5060] el0_svc_common+0x138/0x258 [ 107.727383][ T5060] do_el0_svc+0x58/0x14c [ 107.728525][ T5060] el0_svc+0x78/0x1e0 [ 107.729725][ T5060] el0t_64_sync_handler+0xcc/0xe4 [ 107.731179][ T5060] el0t_64_sync+0x1a0/0x1a4 [ 107.739920][ T5060] ------------[ cut here ]------------ [ 107.741870][ T5060] WARNING: CPU: 0 PID: 5060 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 107.744605][ T5060] Modules linked in: [ 107.745708][ T5060] CPU: 0 PID: 5060 Comm: syz.0.21 Tainted: G W 5.15.189-syzkaller #0 [ 107.748246][ T5060] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 107.750851][ T5060] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 107.752906][ T5060] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 107.754589][ T5060] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 107.756292][ T5060] sp : ffff8000203b7640 [ 107.757418][ T5060] x29: ffff8000203b7760 x28: 000000000000cfff x27: 0000000000000000 [ 107.759567][ T5060] x26: dfff800000000000 x25: ffff0000d8c0a000 x24: ffff0000e26e6bf0 [ 107.761839][ T5060] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000de5e6688 [ 107.763950][ T5060] x20: ffff0000de5e6630 x19: 1fffe0001bcbccd1 x18: 0000000000000001 [ 107.765994][ T5060] x17: 0000000000000000 x16: ffff8000111bc798 x15: 00000000ffffffff [ 107.768300][ T5060] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 107.770458][ T5060] x11: 0000000000000000 x10: 0000000000000000 x9 : 9ae9fca326be9100 [ 107.772571][ T5060] x8 : 9ae9fca326be9100 x7 : 0000000000000001 x6 : 0000000000000001 [ 107.774711][ T5060] x5 : ffff8000203b6f38 x4 : ffff80001424f400 x3 : ffff80000850433c [ 107.776824][ T5060] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 107.779025][ T5060] Call trace: [ 107.779888][ T5060] btrfs_replace_file_extents+0xcc4/0x1290 [ 107.781478][ T5060] __btrfs_prealloc_file_range+0x390/0xb88 [ 107.783075][ T5060] btrfs_prealloc_file_range+0x60/0x7c [ 107.784584][ T5060] btrfs_fallocate+0x1330/0x1614 [ 107.785937][ T5060] vfs_fallocate+0x4a4/0x5f4 [ 107.787165][ T5060] __arm64_sys_fallocate+0xc0/0x110 [ 107.788541][ T5060] invoke_syscall+0x98/0x2b8 [ 107.789812][ T5060] el0_svc_common+0x138/0x258 [ 107.791029][ T5060] do_el0_svc+0x58/0x14c [ 107.792170][ T5060] el0_svc+0x78/0x1e0 [ 107.793235][ T5060] el0t_64_sync_handler+0xcc/0xe4 [ 107.794615][ T5060] el0t_64_sync+0x1a0/0x1a4 [ 107.795805][ T5060] irq event stamp: 81042 [ 107.796951][ T5060] hardirqs last enabled at (81041): [] __up_console_sem+0xb4/0x100 [ 107.799534][ T5060] hardirqs last disabled at (81042): [] el1_dbg+0x24/0x80 [ 107.801956][ T5060] softirqs last enabled at (81014): [] handle_softirqs+0xa4c/0xbf0 [ 107.804506][ T5060] softirqs last disabled at (80935): [] __irq_exit_rcu+0x240/0x440 [ 107.807033][ T5060] ---[ end trace 4b68a30be86d728d ]--- [ 107.829307][ T5060] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 107.834695][ T5060] BTRFS info (device loop0): forced readonly [ 108.241633][ T5082] loop0: detected capacity change from 0 to 32768 [ 108.291576][ T5082] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.22 (5082) [ 108.336810][ T5082] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 108.339812][ T5082] BTRFS info (device loop0): using free space tree [ 108.341619][ T5082] BTRFS info (device loop0): has skinny extents [ 108.364456][ T5082] BTRFS info (device loop0): enabling ssd optimizations [ 108.371896][ T5082] FAULT_INJECTION: forcing a failure. [ 108.371896][ T5082] name failslab, interval 1, probability 0, space 0, times 0 [ 108.375244][ T5082] CPU: 0 PID: 5082 Comm: syz.0.22 Tainted: G W 5.15.189-syzkaller #0 [ 108.377612][ T5082] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 108.380269][ T5082] Call trace: [ 108.381156][ T5082] dump_backtrace+0x0/0x43c [ 108.382353][ T5082] show_stack+0x2c/0x3c [ 108.383535][ T5082] __dump_stack+0x30/0x40 [ 108.384697][ T5082] dump_stack_lvl+0xf8/0x160 [ 108.385919][ T5082] dump_stack+0x1c/0x5c [ 108.387032][ T5082] should_fail+0x3c0/0x51c [ 108.388211][ T5082] __should_failslab+0xbc/0x10c [ 108.389478][ T5082] should_failslab+0x10/0x28 [ 108.390777][ T5082] slab_pre_alloc_hook+0x64/0xec [ 108.392106][ T5082] kmem_cache_alloc+0x94/0x3e4 [ 108.393452][ T5082] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 108.395015][ T5082] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 108.396728][ T5082] btrfs_insert_replace_extent+0x7e4/0x970 [ 108.398317][ T5082] btrfs_replace_file_extents+0xa68/0x1290 [ 108.399928][ T5082] __btrfs_prealloc_file_range+0x390/0xb88 [ 108.401469][ T5082] btrfs_prealloc_file_range+0x60/0x7c [ 108.402968][ T5082] btrfs_fallocate+0x1330/0x1614 [ 108.404318][ T5082] vfs_fallocate+0x4a4/0x5f4 [ 108.405586][ T5082] __arm64_sys_fallocate+0xc0/0x110 [ 108.406961][ T5082] invoke_syscall+0x98/0x2b8 [ 108.408181][ T5082] el0_svc_common+0x138/0x258 [ 108.409456][ T5082] do_el0_svc+0x58/0x14c [ 108.410517][ T5082] el0_svc+0x78/0x1e0 [ 108.411655][ T5082] el0t_64_sync_handler+0xcc/0xe4 [ 108.412979][ T5082] el0t_64_sync+0x1a0/0x1a4 [ 108.416953][ T5082] ------------[ cut here ]------------ [ 108.418626][ T5082] WARNING: CPU: 0 PID: 5082 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 108.421435][ T5082] Modules linked in: [ 108.422473][ T5082] CPU: 0 PID: 5082 Comm: syz.0.22 Tainted: G W 5.15.189-syzkaller #0 [ 108.425074][ T5082] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 108.427819][ T5082] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 108.429960][ T5082] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 108.431654][ T5082] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 108.433367][ T5082] sp : ffff8000204d7640 [ 108.434484][ T5082] x29: ffff8000204d7760 x28: 000000000000cfff x27: 0000000000000000 [ 108.436626][ T5082] x26: dfff800000000000 x25: ffff0000d22e8000 x24: ffff0000ec826220 [ 108.438773][ T5082] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000de5ed688 [ 108.440897][ T5082] x20: ffff0000de5ed630 x19: 1fffe0001bcbdad1 x18: 0000000000000001 [ 108.443079][ T5082] x17: 0000000000000000 x16: ffff8000111bc798 x15: 00000000ffffffff [ 108.445202][ T5082] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 108.447326][ T5082] x11: 0000000000000000 x10: 0000000000000000 x9 : a7d6a1857efe5f00 [ 108.449504][ T5082] x8 : a7d6a1857efe5f00 x7 : 0000000000000001 x6 : 0000000000000001 [ 108.451712][ T5082] x5 : ffff8000204d6f38 x4 : ffff80001424f400 x3 : ffff80000850433c [ 108.453923][ T5082] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 108.456082][ T5082] Call trace: [ 108.457011][ T5082] btrfs_replace_file_extents+0xcc4/0x1290 [ 108.458514][ T5082] __btrfs_prealloc_file_range+0x390/0xb88 [ 108.460113][ T5082] btrfs_prealloc_file_range+0x60/0x7c [ 108.461617][ T5082] btrfs_fallocate+0x1330/0x1614 [ 108.462921][ T5082] vfs_fallocate+0x4a4/0x5f4 [ 108.464155][ T5082] __arm64_sys_fallocate+0xc0/0x110 [ 108.465481][ T5082] invoke_syscall+0x98/0x2b8 [ 108.466695][ T5082] el0_svc_common+0x138/0x258 [ 108.467961][ T5082] do_el0_svc+0x58/0x14c [ 108.469089][ T5082] el0_svc+0x78/0x1e0 [ 108.470138][ T5082] el0t_64_sync_handler+0xcc/0xe4 [ 108.471529][ T5082] el0t_64_sync+0x1a0/0x1a4 [ 108.472754][ T5082] irq event stamp: 80680 [ 108.473904][ T5082] hardirqs last enabled at (80679): [] __up_console_sem+0xb4/0x100 [ 108.476473][ T5082] hardirqs last disabled at (80680): [] el1_dbg+0x24/0x80 [ 108.478915][ T5082] softirqs last enabled at (80656): [] handle_softirqs+0xa4c/0xbf0 [ 108.481604][ T5082] softirqs last disabled at (80633): [] __irq_exit_rcu+0x240/0x440 [ 108.484233][ T5082] ---[ end trace 4b68a30be86d728e ]--- [ 108.490481][ T5082] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 108.493315][ T5082] BTRFS info (device loop0): forced readonly [ 108.822899][ T5104] loop0: detected capacity change from 0 to 32768 [ 108.835906][ T5104] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.23 (5104) [ 108.842061][ T5104] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 108.844557][ T5104] BTRFS info (device loop0): using free space tree [ 108.846362][ T5104] BTRFS info (device loop0): has skinny extents [ 108.862104][ T5104] BTRFS info (device loop0): enabling ssd optimizations [ 108.868170][ T5104] FAULT_INJECTION: forcing a failure. [ 108.868170][ T5104] name failslab, interval 1, probability 0, space 0, times 0 [ 108.871877][ T5104] CPU: 1 PID: 5104 Comm: syz.0.23 Tainted: G W 5.15.189-syzkaller #0 [ 108.874383][ T5104] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 108.876914][ T5104] Call trace: [ 108.877736][ T5104] dump_backtrace+0x0/0x43c [ 108.878922][ T5104] show_stack+0x2c/0x3c [ 108.880074][ T5104] __dump_stack+0x30/0x40 [ 108.881218][ T5104] dump_stack_lvl+0xf8/0x160 [ 108.882418][ T5104] dump_stack+0x1c/0x5c [ 108.883549][ T5104] should_fail+0x3c0/0x51c [ 108.884703][ T5104] __should_failslab+0xbc/0x10c [ 108.886023][ T5104] should_failslab+0x10/0x28 [ 108.887280][ T5104] slab_pre_alloc_hook+0x64/0xec [ 108.888546][ T5104] kmem_cache_alloc+0x94/0x3e4 [ 108.889821][ T5104] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 108.891347][ T5104] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 108.893014][ T5104] btrfs_insert_replace_extent+0x7e4/0x970 [ 108.894599][ T5104] btrfs_replace_file_extents+0xa68/0x1290 [ 108.896153][ T5104] __btrfs_prealloc_file_range+0x390/0xb88 [ 108.897782][ T5104] btrfs_prealloc_file_range+0x60/0x7c [ 108.899207][ T5104] btrfs_fallocate+0x1330/0x1614 [ 108.900629][ T5104] vfs_fallocate+0x4a4/0x5f4 [ 108.901908][ T5104] __arm64_sys_fallocate+0xc0/0x110 [ 108.903369][ T5104] invoke_syscall+0x98/0x2b8 [ 108.904591][ T5104] el0_svc_common+0x138/0x258 [ 108.905839][ T5104] do_el0_svc+0x58/0x14c [ 108.906982][ T5104] el0_svc+0x78/0x1e0 [ 108.908077][ T5104] el0t_64_sync_handler+0xcc/0xe4 [ 108.909451][ T5104] el0t_64_sync+0x1a0/0x1a4 [ 108.912357][ T5104] ------------[ cut here ]------------ [ 108.914059][ T5104] WARNING: CPU: 1 PID: 5104 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 108.916780][ T5104] Modules linked in: [ 108.917798][ T5104] CPU: 1 PID: 5104 Comm: syz.0.23 Tainted: G W 5.15.189-syzkaller #0 [ 108.920372][ T5104] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 108.923143][ T5104] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 108.925289][ T5104] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 108.926891][ T5104] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 108.928612][ T5104] sp : ffff8000204c7640 [ 108.929685][ T5104] x29: ffff8000204c7760 x28: 000000000000cfff x27: 0000000000000000 [ 108.931976][ T5104] x26: dfff800000000000 x25: ffff0000d5294000 x24: ffff0000dcf893a0 [ 108.934229][ T5104] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000de5e67e8 [ 108.936358][ T5104] x20: ffff0000de5e6790 x19: 1fffe0001bcbccfd x18: 0000000000000001 [ 108.938522][ T5104] x17: 0000000000000000 x16: ffff8000111bc798 x15: 00000000ffffffff [ 108.940754][ T5104] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 108.942954][ T5104] x11: 0000000000000000 x10: 0000000000000000 x9 : 9c333ac26f1cae00 [ 108.945178][ T5104] x8 : 9c333ac26f1cae00 x7 : 0000000000000001 x6 : 0000000000000001 [ 108.947395][ T5104] x5 : ffff8000204c6f38 x4 : ffff80001424f400 x3 : ffff80000850433c [ 108.949705][ T5104] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 108.951916][ T5104] Call trace: [ 108.952825][ T5104] btrfs_replace_file_extents+0xcc4/0x1290 [ 108.954484][ T5104] __btrfs_prealloc_file_range+0x390/0xb88 [ 108.956180][ T5104] btrfs_prealloc_file_range+0x60/0x7c [ 108.957686][ T5104] btrfs_fallocate+0x1330/0x1614 [ 108.958970][ T5104] vfs_fallocate+0x4a4/0x5f4 [ 108.960169][ T5104] __arm64_sys_fallocate+0xc0/0x110 [ 108.961520][ T5104] invoke_syscall+0x98/0x2b8 [ 108.962748][ T5104] el0_svc_common+0x138/0x258 [ 108.964004][ T5104] do_el0_svc+0x58/0x14c [ 108.965165][ T5104] el0_svc+0x78/0x1e0 [ 108.966213][ T5104] el0t_64_sync_handler+0xcc/0xe4 [ 108.967530][ T5104] el0t_64_sync+0x1a0/0x1a4 [ 108.968725][ T5104] irq event stamp: 81506 [ 108.969845][ T5104] hardirqs last enabled at (81505): [] __up_console_sem+0xb4/0x100 [ 108.972495][ T5104] hardirqs last disabled at (81506): [] el1_dbg+0x24/0x80 [ 108.974901][ T5104] softirqs last enabled at (81482): [] handle_softirqs+0xa4c/0xbf0 [ 108.977536][ T5104] softirqs last disabled at (81225): [] __irq_exit_rcu+0x240/0x440 [ 108.980077][ T5104] ---[ end trace 4b68a30be86d728f ]--- [ 108.982303][ T5104] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 108.985182][ T5104] BTRFS info (device loop0): forced readonly 1970/01/01 00:01:49 executed programs: 11 [ 109.262171][ T5126] loop0: detected capacity change from 0 to 32768 [ 109.355768][ T5126] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.24 (5126) [ 109.373395][ T5126] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 109.375922][ T5126] BTRFS info (device loop0): using free space tree [ 109.377694][ T5126] BTRFS info (device loop0): has skinny extents [ 109.395639][ T5126] BTRFS info (device loop0): enabling ssd optimizations [ 109.402566][ T5126] FAULT_INJECTION: forcing a failure. [ 109.402566][ T5126] name failslab, interval 1, probability 0, space 0, times 0 [ 109.406197][ T5126] CPU: 0 PID: 5126 Comm: syz.0.24 Tainted: G W 5.15.189-syzkaller #0 [ 109.408679][ T5126] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 109.411485][ T5126] Call trace: [ 109.412394][ T5126] dump_backtrace+0x0/0x43c [ 109.413620][ T5126] show_stack+0x2c/0x3c [ 109.414768][ T5126] __dump_stack+0x30/0x40 [ 109.415957][ T5126] dump_stack_lvl+0xf8/0x160 [ 109.417307][ T5126] dump_stack+0x1c/0x5c [ 109.418497][ T5126] should_fail+0x3c0/0x51c [ 109.419743][ T5126] __should_failslab+0xbc/0x10c [ 109.421099][ T5126] should_failslab+0x10/0x28 [ 109.422433][ T5126] slab_pre_alloc_hook+0x64/0xec [ 109.423807][ T5126] kmem_cache_alloc+0x94/0x3e4 [ 109.425171][ T5126] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 109.426812][ T5126] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 109.428470][ T5126] btrfs_insert_replace_extent+0x7e4/0x970 [ 109.430003][ T5126] btrfs_replace_file_extents+0xa68/0x1290 [ 109.431692][ T5126] __btrfs_prealloc_file_range+0x390/0xb88 [ 109.433283][ T5126] btrfs_prealloc_file_range+0x60/0x7c [ 109.434735][ T5126] btrfs_fallocate+0x1330/0x1614 [ 109.436115][ T5126] vfs_fallocate+0x4a4/0x5f4 [ 109.437351][ T5126] __arm64_sys_fallocate+0xc0/0x110 [ 109.438779][ T5126] invoke_syscall+0x98/0x2b8 [ 109.440073][ T5126] el0_svc_common+0x138/0x258 [ 109.441391][ T5126] do_el0_svc+0x58/0x14c [ 109.442560][ T5126] el0_svc+0x78/0x1e0 [ 109.443641][ T5126] el0t_64_sync_handler+0xcc/0xe4 [ 109.445031][ T5126] el0t_64_sync+0x1a0/0x1a4 [ 109.450956][ T5126] ------------[ cut here ]------------ [ 109.452783][ T5126] WARNING: CPU: 0 PID: 5126 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 109.455590][ T5126] Modules linked in: [ 109.456669][ T5126] CPU: 0 PID: 5126 Comm: syz.0.24 Tainted: G W 5.15.189-syzkaller #0 [ 109.459224][ T5126] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 109.461998][ T5126] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 109.464230][ T5126] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 109.465975][ T5126] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 109.467944][ T5126] sp : ffff8000204c7640 [ 109.469040][ T5126] x29: ffff8000204c7760 x28: 000000000000cfff x27: 0000000000000000 [ 109.471309][ T5126] x26: dfff800000000000 x25: ffff0000c1e98000 x24: ffff0000ec800000 [ 109.473509][ T5126] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000de5ed7e8 [ 109.475698][ T5126] x20: ffff0000de5ed790 x19: 1fffe0001bcbdafd x18: 0000000000000001 [ 109.477919][ T5126] x17: 0000000000000000 x16: ffff8000111bc798 x15: 00000000ffffffff [ 109.480109][ T5126] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 109.482394][ T5126] x11: 0000000000000000 x10: 0000000000000000 x9 : c4b4e10923c08600 [ 109.484612][ T5126] x8 : c4b4e10923c08600 x7 : 0000000000000001 x6 : 0000000000000001 [ 109.486846][ T5126] x5 : ffff8000204c6f38 x4 : ffff80001424f400 x3 : ffff80000850433c [ 109.489067][ T5126] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 109.491240][ T5126] Call trace: [ 109.492095][ T5126] btrfs_replace_file_extents+0xcc4/0x1290 [ 109.493710][ T5126] __btrfs_prealloc_file_range+0x390/0xb88 [ 109.495258][ T5126] btrfs_prealloc_file_range+0x60/0x7c [ 109.496769][ T5126] btrfs_fallocate+0x1330/0x1614 [ 109.498098][ T5126] vfs_fallocate+0x4a4/0x5f4 [ 109.499347][ T5126] __arm64_sys_fallocate+0xc0/0x110 [ 109.500751][ T5126] invoke_syscall+0x98/0x2b8 [ 109.502070][ T5126] el0_svc_common+0x138/0x258 [ 109.503446][ T5126] do_el0_svc+0x58/0x14c [ 109.504689][ T5126] el0_svc+0x78/0x1e0 [ 109.505751][ T5126] el0t_64_sync_handler+0xcc/0xe4 [ 109.507155][ T5126] el0t_64_sync+0x1a0/0x1a4 [ 109.508444][ T5126] irq event stamp: 80394 [ 109.509556][ T5126] hardirqs last enabled at (80393): [] __up_console_sem+0xb4/0x100 [ 109.512163][ T5126] hardirqs last disabled at (80394): [] el1_dbg+0x24/0x80 [ 109.514525][ T5126] softirqs last enabled at (80366): [] handle_softirqs+0xa4c/0xbf0 [ 109.517102][ T5126] softirqs last disabled at (80257): [] __irq_exit_rcu+0x240/0x440 [ 109.519798][ T5126] ---[ end trace 4b68a30be86d7290 ]--- [ 109.524672][ T5126] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 109.527575][ T5126] BTRFS info (device loop0): forced readonly [ 109.803455][ T5149] loop0: detected capacity change from 0 to 32768 [ 109.899330][ T5149] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.25 (5149) [ 109.906662][ T5149] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 109.909384][ T5149] BTRFS info (device loop0): using free space tree [ 109.911275][ T5149] BTRFS info (device loop0): has skinny extents [ 109.927853][ T5149] BTRFS info (device loop0): enabling ssd optimizations [ 109.934833][ T5149] FAULT_INJECTION: forcing a failure. [ 109.934833][ T5149] name failslab, interval 1, probability 0, space 0, times 0 [ 109.938190][ T5149] CPU: 1 PID: 5149 Comm: syz.0.25 Tainted: G W 5.15.189-syzkaller #0 [ 109.940673][ T5149] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 109.943397][ T5149] Call trace: [ 109.944261][ T5149] dump_backtrace+0x0/0x43c [ 109.945450][ T5149] show_stack+0x2c/0x3c [ 109.946560][ T5149] __dump_stack+0x30/0x40 [ 109.947726][ T5149] dump_stack_lvl+0xf8/0x160 [ 109.949000][ T5149] dump_stack+0x1c/0x5c [ 109.950101][ T5149] should_fail+0x3c0/0x51c [ 109.951336][ T5149] __should_failslab+0xbc/0x10c [ 109.952632][ T5149] should_failslab+0x10/0x28 [ 109.953848][ T5149] slab_pre_alloc_hook+0x64/0xec [ 109.955185][ T5149] kmem_cache_alloc+0x94/0x3e4 [ 109.956433][ T5149] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 109.957939][ T5149] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 109.959602][ T5149] btrfs_insert_replace_extent+0x7e4/0x970 [ 109.961197][ T5149] btrfs_replace_file_extents+0xa68/0x1290 [ 109.962766][ T5149] __btrfs_prealloc_file_range+0x390/0xb88 [ 109.964302][ T5149] btrfs_prealloc_file_range+0x60/0x7c [ 109.965728][ T5149] btrfs_fallocate+0x1330/0x1614 [ 109.967020][ T5149] vfs_fallocate+0x4a4/0x5f4 [ 109.968250][ T5149] __arm64_sys_fallocate+0xc0/0x110 [ 109.969618][ T5149] invoke_syscall+0x98/0x2b8 [ 109.970841][ T5149] el0_svc_common+0x138/0x258 [ 109.972194][ T5149] do_el0_svc+0x58/0x14c [ 109.973334][ T5149] el0_svc+0x78/0x1e0 [ 109.974392][ T5149] el0t_64_sync_handler+0xcc/0xe4 [ 109.975732][ T5149] el0t_64_sync+0x1a0/0x1a4 [ 109.977946][ T5149] ------------[ cut here ]------------ [ 109.980275][ T5149] WARNING: CPU: 1 PID: 5149 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 109.982855][ T5149] Modules linked in: [ 109.983866][ T5149] CPU: 1 PID: 5149 Comm: syz.0.25 Tainted: G W 5.15.189-syzkaller #0 [ 109.986338][ T5149] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 109.988949][ T5149] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 109.991004][ T5149] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 109.992708][ T5149] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 109.994340][ T5149] sp : ffff800020cb7640 [ 109.995474][ T5149] x29: ffff800020cb7760 x28: 000000000000cfff x27: 0000000000000000 [ 109.997606][ T5149] x26: dfff800000000000 x25: ffff0000d6fc4000 x24: ffff0000dcf8b110 [ 109.999760][ T5149] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000de5e6948 [ 110.001949][ T5149] x20: ffff0000de5e68f0 x19: 1fffe0001bcbcd29 x18: 0000000000000001 [ 110.004091][ T5149] x17: 0000000000000000 x16: ffff8000083020fc x15: 00000000ffffffff [ 110.006251][ T5149] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 110.008387][ T5149] x11: 0000000000000000 x10: 0000000000000000 x9 : 363f359246cd8d00 [ 110.010464][ T5149] x8 : 363f359246cd8d00 x7 : 0000000000000001 x6 : 0000000000000001 [ 110.012666][ T5149] x5 : ffff800020cb6f38 x4 : ffff80001424f400 x3 : ffff80000830220c [ 110.014825][ T5149] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 110.016962][ T5149] Call trace: [ 110.017891][ T5149] btrfs_replace_file_extents+0xcc4/0x1290 [ 110.019582][ T5149] __btrfs_prealloc_file_range+0x390/0xb88 [ 110.021181][ T5149] btrfs_prealloc_file_range+0x60/0x7c [ 110.022643][ T5149] btrfs_fallocate+0x1330/0x1614 [ 110.023979][ T5149] vfs_fallocate+0x4a4/0x5f4 [ 110.025301][ T5149] __arm64_sys_fallocate+0xc0/0x110 [ 110.026719][ T5149] invoke_syscall+0x98/0x2b8 [ 110.028006][ T5149] el0_svc_common+0x138/0x258 [ 110.029336][ T5149] do_el0_svc+0x58/0x14c [ 110.030503][ T5149] el0_svc+0x78/0x1e0 [ 110.031638][ T5149] el0t_64_sync_handler+0xcc/0xe4 [ 110.033022][ T5149] el0t_64_sync+0x1a0/0x1a4 [ 110.034279][ T5149] irq event stamp: 81028 [ 110.035425][ T5149] hardirqs last enabled at (81027): [] exit_to_kernel_mode+0xe0/0x168 [ 110.038223][ T5149] hardirqs last disabled at (81028): [] el1_dbg+0x24/0x80 [ 110.040627][ T5149] softirqs last enabled at (81010): [] handle_softirqs+0xa4c/0xbf0 [ 110.043235][ T5149] softirqs last disabled at (80917): [] __irq_exit_rcu+0x240/0x440 [ 110.045878][ T5149] ---[ end trace 4b68a30be86d7291 ]--- [ 110.047856][ T5149] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 110.050951][ T5149] BTRFS info (device loop0): forced readonly [ 110.342351][ T5172] loop0: detected capacity change from 0 to 32768 [ 110.378010][ T5172] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.26 (5172) [ 110.386007][ T5172] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 110.388585][ T5172] BTRFS info (device loop0): using free space tree [ 110.390999][ T5172] BTRFS info (device loop0): has skinny extents [ 110.405782][ T5172] BTRFS info (device loop0): enabling ssd optimizations [ 110.414487][ T5172] FAULT_INJECTION: forcing a failure. [ 110.414487][ T5172] name failslab, interval 1, probability 0, space 0, times 0 [ 110.418435][ T5172] CPU: 0 PID: 5172 Comm: syz.0.26 Tainted: G W 5.15.189-syzkaller #0 [ 110.420986][ T5172] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 110.423766][ T5172] Call trace: [ 110.424633][ T5172] dump_backtrace+0x0/0x43c [ 110.425887][ T5172] show_stack+0x2c/0x3c [ 110.427103][ T5172] __dump_stack+0x30/0x40 [ 110.428304][ T5172] dump_stack_lvl+0xf8/0x160 [ 110.429483][ T5172] dump_stack+0x1c/0x5c [ 110.430698][ T5172] should_fail+0x3c0/0x51c [ 110.431868][ T5172] __should_failslab+0xbc/0x10c [ 110.433122][ T5172] should_failslab+0x10/0x28 [ 110.434402][ T5172] slab_pre_alloc_hook+0x64/0xec [ 110.435753][ T5172] kmem_cache_alloc+0x94/0x3e4 [ 110.437062][ T5172] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 110.438615][ T5172] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 110.440285][ T5172] btrfs_insert_replace_extent+0x7e4/0x970 [ 110.441990][ T5172] btrfs_replace_file_extents+0xa68/0x1290 [ 110.443612][ T5172] __btrfs_prealloc_file_range+0x390/0xb88 [ 110.445178][ T5172] btrfs_prealloc_file_range+0x60/0x7c [ 110.446593][ T5172] btrfs_fallocate+0x1330/0x1614 [ 110.447895][ T5172] vfs_fallocate+0x4a4/0x5f4 [ 110.449116][ T5172] __arm64_sys_fallocate+0xc0/0x110 [ 110.450504][ T5172] invoke_syscall+0x98/0x2b8 [ 110.451703][ T5172] el0_svc_common+0x138/0x258 [ 110.453006][ T5172] do_el0_svc+0x58/0x14c [ 110.454117][ T5172] el0_svc+0x78/0x1e0 [ 110.455234][ T5172] el0t_64_sync_handler+0xcc/0xe4 [ 110.456624][ T5172] el0t_64_sync+0x1a0/0x1a4 [ 110.459193][ T5172] ------------[ cut here ]------------ [ 110.460906][ T5172] WARNING: CPU: 0 PID: 5172 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 110.463654][ T5172] Modules linked in: [ 110.464737][ T5172] CPU: 0 PID: 5172 Comm: syz.0.26 Tainted: G W 5.15.189-syzkaller #0 [ 110.467356][ T5172] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 110.470072][ T5172] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 110.472229][ T5172] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 110.473899][ T5172] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 110.475552][ T5172] sp : ffff800020cb7640 [ 110.476706][ T5172] x29: ffff800020cb7760 x28: 000000000000cfff x27: 0000000000000000 [ 110.478827][ T5172] x26: dfff800000000000 x25: ffff0000cde74000 x24: ffff0000ec8013a0 [ 110.481049][ T5172] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000de5ed948 [ 110.483279][ T5172] x20: ffff0000de5ed8f0 x19: 1fffe0001bcbdb29 x18: 0000000000000001 [ 110.485426][ T5172] x17: 0000000000000000 x16: ffff8000083020fc x15: 00000000ffffffff [ 110.487653][ T5172] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 110.489952][ T5172] x11: 0000000000000000 x10: 0000000000000000 x9 : c9a18dc99f990c00 [ 110.492249][ T5172] x8 : c9a18dc99f990c00 x7 : 0000000000000001 x6 : 0000000000000001 [ 110.494399][ T5172] x5 : ffff800020cb6f38 x4 : ffff80001424f400 x3 : ffff80000830220c [ 110.496784][ T5172] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 110.499329][ T5172] Call trace: [ 110.500241][ T5172] btrfs_replace_file_extents+0xcc4/0x1290 [ 110.501992][ T5172] __btrfs_prealloc_file_range+0x390/0xb88 [ 110.503800][ T5172] btrfs_prealloc_file_range+0x60/0x7c [ 110.505369][ T5172] btrfs_fallocate+0x1330/0x1614 [ 110.506833][ T5172] vfs_fallocate+0x4a4/0x5f4 [ 110.508177][ T5172] __arm64_sys_fallocate+0xc0/0x110 [ 110.509736][ T5172] invoke_syscall+0x98/0x2b8 [ 110.511033][ T5172] el0_svc_common+0x138/0x258 [ 110.512299][ T5172] do_el0_svc+0x58/0x14c [ 110.513418][ T5172] el0_svc+0x78/0x1e0 [ 110.514486][ T5172] el0t_64_sync_handler+0xcc/0xe4 [ 110.515797][ T5172] el0t_64_sync+0x1a0/0x1a4 [ 110.516988][ T5172] irq event stamp: 80626 [ 110.518152][ T5172] hardirqs last enabled at (80625): [] __up_console_sem+0xb4/0x100 [ 110.520824][ T5172] hardirqs last disabled at (80626): [] el1_dbg+0x24/0x80 [ 110.523428][ T5172] softirqs last enabled at (80602): [] handle_softirqs+0xa4c/0xbf0 [ 110.526148][ T5172] softirqs last disabled at (80521): [] __irq_exit_rcu+0x240/0x440 [ 110.528825][ T5172] ---[ end trace 4b68a30be86d7292 ]--- [ 110.531392][ T5172] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 110.534176][ T5172] BTRFS info (device loop0): forced readonly [ 110.821105][ T5194] loop0: detected capacity change from 0 to 32768 [ 110.869205][ T5194] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.27 (5194) [ 110.876499][ T5194] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 110.878955][ T5194] BTRFS info (device loop0): using free space tree [ 110.880933][ T5194] BTRFS info (device loop0): has skinny extents [ 110.899176][ T5194] BTRFS info (device loop0): enabling ssd optimizations [ 110.906271][ T5194] FAULT_INJECTION: forcing a failure. [ 110.906271][ T5194] name failslab, interval 1, probability 0, space 0, times 0 [ 110.910863][ T5194] CPU: 1 PID: 5194 Comm: syz.0.27 Tainted: G W 5.15.189-syzkaller #0 [ 110.913506][ T5194] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 110.916368][ T5194] Call trace: [ 110.917333][ T5194] dump_backtrace+0x0/0x43c [ 110.918648][ T5194] show_stack+0x2c/0x3c [ 110.919840][ T5194] __dump_stack+0x30/0x40 [ 110.921058][ T5194] dump_stack_lvl+0xf8/0x160 [ 110.922404][ T5194] dump_stack+0x1c/0x5c [ 110.923557][ T5194] should_fail+0x3c0/0x51c [ 110.924783][ T5194] __should_failslab+0xbc/0x10c [ 110.926233][ T5194] should_failslab+0x10/0x28 [ 110.927519][ T5194] slab_pre_alloc_hook+0x64/0xec [ 110.928903][ T5194] kmem_cache_alloc+0x94/0x3e4 [ 110.930236][ T5194] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 110.931850][ T5194] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 110.933625][ T5194] btrfs_insert_replace_extent+0x7e4/0x970 [ 110.935353][ T5194] btrfs_replace_file_extents+0xa68/0x1290 [ 110.936950][ T5194] __btrfs_prealloc_file_range+0x390/0xb88 [ 110.938708][ T5194] btrfs_prealloc_file_range+0x60/0x7c [ 110.940392][ T5194] btrfs_fallocate+0x1330/0x1614 [ 110.941967][ T5194] vfs_fallocate+0x4a4/0x5f4 [ 110.943417][ T5194] __arm64_sys_fallocate+0xc0/0x110 [ 110.944944][ T5194] invoke_syscall+0x98/0x2b8 [ 110.946274][ T5194] el0_svc_common+0x138/0x258 [ 110.947601][ T5194] do_el0_svc+0x58/0x14c [ 110.948741][ T5194] el0_svc+0x78/0x1e0 [ 110.949807][ T5194] el0t_64_sync_handler+0xcc/0xe4 [ 110.951260][ T5194] el0t_64_sync+0x1a0/0x1a4 [ 110.955253][ T5194] ------------[ cut here ]------------ [ 110.957112][ T5194] WARNING: CPU: 1 PID: 5194 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 110.960158][ T5194] Modules linked in: [ 110.961487][ T5194] CPU: 1 PID: 5194 Comm: syz.0.27 Tainted: G W 5.15.189-syzkaller #0 [ 110.964159][ T5194] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 110.966998][ T5194] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 110.969197][ T5194] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 110.970923][ T5194] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 110.972691][ T5194] sp : ffff800020f27640 [ 110.973854][ T5194] x29: ffff800020f27760 x28: 000000000000cfff x27: 0000000000000000 [ 110.976146][ T5194] x26: dfff800000000000 x25: ffff0000d9cd2000 x24: ffff0000dcf8c4b0 [ 110.978412][ T5194] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000de5e6aa8 [ 110.980681][ T5194] x20: ffff0000de5e6a50 x19: 1fffe0001bcbcd55 x18: 0000000000000001 [ 110.982912][ T5194] x17: 0000000000000000 x16: ffff8000111bc798 x15: 00000000ffffffff [ 110.985080][ T5194] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 110.987323][ T5194] x11: 0000000000000000 x10: 0000000000000000 x9 : 0a2fb82588e6a100 [ 110.989566][ T5194] x8 : 0a2fb82588e6a100 x7 : 0000000000000001 x6 : 0000000000000001 [ 110.991800][ T5194] x5 : ffff800020f26f38 x4 : ffff80001424f400 x3 : ffff80000850433c [ 110.994068][ T5194] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 110.996384][ T5194] Call trace: [ 110.997430][ T5194] btrfs_replace_file_extents+0xcc4/0x1290 [ 110.999044][ T5194] __btrfs_prealloc_file_range+0x390/0xb88 [ 111.000755][ T5194] btrfs_prealloc_file_range+0x60/0x7c [ 111.002286][ T5194] btrfs_fallocate+0x1330/0x1614 [ 111.003734][ T5194] vfs_fallocate+0x4a4/0x5f4 [ 111.005245][ T5194] __arm64_sys_fallocate+0xc0/0x110 [ 111.006754][ T5194] invoke_syscall+0x98/0x2b8 [ 111.008145][ T5194] el0_svc_common+0x138/0x258 [ 111.009532][ T5194] do_el0_svc+0x58/0x14c [ 111.010734][ T5194] el0_svc+0x78/0x1e0 [ 111.011873][ T5194] el0t_64_sync_handler+0xcc/0xe4 [ 111.013314][ T5194] el0t_64_sync+0x1a0/0x1a4 [ 111.014636][ T5194] irq event stamp: 80794 [ 111.015816][ T5194] hardirqs last enabled at (80793): [] __up_console_sem+0xb4/0x100 [ 111.018512][ T5194] hardirqs last disabled at (80794): [] el1_dbg+0x24/0x80 [ 111.021019][ T5194] softirqs last enabled at (80766): [] handle_softirqs+0xa4c/0xbf0 [ 111.023788][ T5194] softirqs last disabled at (80727): [] __irq_exit_rcu+0x240/0x440 [ 111.026486][ T5194] ---[ end trace 4b68a30be86d7293 ]--- [ 111.031928][ T5194] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 111.034828][ T5194] BTRFS info (device loop0): forced readonly [ 111.327441][ T5216] loop0: detected capacity change from 0 to 32768 [ 111.387378][ T5216] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.28 (5216) [ 111.395657][ T5216] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 111.398645][ T5216] BTRFS info (device loop0): using free space tree [ 111.401707][ T5216] BTRFS info (device loop0): has skinny extents [ 111.417516][ T5216] BTRFS info (device loop0): enabling ssd optimizations [ 111.423786][ T5216] FAULT_INJECTION: forcing a failure. [ 111.423786][ T5216] name failslab, interval 1, probability 0, space 0, times 0 [ 111.427620][ T5216] CPU: 1 PID: 5216 Comm: syz.0.28 Tainted: G W 5.15.189-syzkaller #0 [ 111.430504][ T5216] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 111.433340][ T5216] Call trace: [ 111.434262][ T5216] dump_backtrace+0x0/0x43c [ 111.435646][ T5216] show_stack+0x2c/0x3c [ 111.436876][ T5216] __dump_stack+0x30/0x40 [ 111.438160][ T5216] dump_stack_lvl+0xf8/0x160 [ 111.439395][ T5216] dump_stack+0x1c/0x5c [ 111.440544][ T5216] should_fail+0x3c0/0x51c [ 111.441728][ T5216] __should_failslab+0xbc/0x10c [ 111.443022][ T5216] should_failslab+0x10/0x28 [ 111.444369][ T5216] slab_pre_alloc_hook+0x64/0xec [ 111.445689][ T5216] kmem_cache_alloc+0x94/0x3e4 [ 111.447162][ T5216] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 111.448809][ T5216] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 111.450552][ T5216] btrfs_insert_replace_extent+0x7e4/0x970 [ 111.452142][ T5216] btrfs_replace_file_extents+0xa68/0x1290 [ 111.453794][ T5216] __btrfs_prealloc_file_range+0x390/0xb88 [ 111.455389][ T5216] btrfs_prealloc_file_range+0x60/0x7c [ 111.456987][ T5216] btrfs_fallocate+0x1330/0x1614 [ 111.458371][ T5216] vfs_fallocate+0x4a4/0x5f4 [ 111.459661][ T5216] __arm64_sys_fallocate+0xc0/0x110 [ 111.461123][ T5216] invoke_syscall+0x98/0x2b8 [ 111.462408][ T5216] el0_svc_common+0x138/0x258 [ 111.463705][ T5216] do_el0_svc+0x58/0x14c [ 111.464937][ T5216] el0_svc+0x78/0x1e0 [ 111.466090][ T5216] el0t_64_sync_handler+0xcc/0xe4 [ 111.467506][ T5216] el0t_64_sync+0x1a0/0x1a4 [ 111.471802][ T5216] ------------[ cut here ]------------ [ 111.473629][ T5216] WARNING: CPU: 1 PID: 5216 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 111.476575][ T5216] Modules linked in: [ 111.477666][ T5216] CPU: 1 PID: 5216 Comm: syz.0.28 Tainted: G W 5.15.189-syzkaller #0 [ 111.480247][ T5216] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 111.483097][ T5216] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 111.485239][ T5216] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 111.487022][ T5216] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 111.488728][ T5216] sp : ffff800021027640 [ 111.489927][ T5216] x29: ffff800021027760 x28: 000000000000cfff x27: 0000000000000000 [ 111.492245][ T5216] x26: dfff800000000000 x25: ffff0000db378000 x24: ffff0000dcf8d850 [ 111.494452][ T5216] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000de5e6c08 [ 111.496666][ T5216] x20: ffff0000de5e6bb0 x19: 1fffe0001bcbcd81 x18: 0000000000000001 [ 111.498834][ T5216] x17: 0000000000000000 x16: ffff8000111bc798 x15: 00000000ffffffff [ 111.501047][ T5216] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 111.503270][ T5216] x11: 0000000000000000 x10: 0000000000000000 x9 : a4e7d5e9d152f100 [ 111.505521][ T5216] x8 : a4e7d5e9d152f100 x7 : 0000000000000001 x6 : 0000000000000001 [ 111.507640][ T5216] x5 : ffff800021026f38 x4 : ffff80001424f400 x3 : ffff80000850433c [ 111.509837][ T5216] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 111.512135][ T5216] Call trace: [ 111.513036][ T5216] btrfs_replace_file_extents+0xcc4/0x1290 [ 111.514617][ T5216] __btrfs_prealloc_file_range+0x390/0xb88 [ 111.516242][ T5216] btrfs_prealloc_file_range+0x60/0x7c [ 111.517727][ T5216] btrfs_fallocate+0x1330/0x1614 [ 111.519120][ T5216] vfs_fallocate+0x4a4/0x5f4 [ 111.520358][ T5216] __arm64_sys_fallocate+0xc0/0x110 [ 111.521854][ T5216] invoke_syscall+0x98/0x2b8 [ 111.523148][ T5216] el0_svc_common+0x138/0x258 [ 111.524446][ T5216] do_el0_svc+0x58/0x14c [ 111.525576][ T5216] el0_svc+0x78/0x1e0 [ 111.526687][ T5216] el0t_64_sync_handler+0xcc/0xe4 [ 111.528094][ T5216] el0t_64_sync+0x1a0/0x1a4 [ 111.529350][ T5216] irq event stamp: 80114 [ 111.530592][ T5216] hardirqs last enabled at (80113): [] __up_console_sem+0xb4/0x100 [ 111.533208][ T5216] hardirqs last disabled at (80114): [] el1_dbg+0x24/0x80 [ 111.535623][ T5216] softirqs last enabled at (80086): [] handle_softirqs+0xa4c/0xbf0 [ 111.538359][ T5216] softirqs last disabled at (80045): [] __irq_exit_rcu+0x240/0x440 [ 111.541072][ T5216] ---[ end trace 4b68a30be86d7294 ]--- [ 111.546742][ T5216] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 111.549840][ T5216] BTRFS info (device loop0): forced readonly [ 111.822237][ T5239] loop0: detected capacity change from 0 to 32768 [ 111.861382][ T5239] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.29 (5239) [ 111.904794][ T5239] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 111.907320][ T5239] BTRFS info (device loop0): using free space tree [ 111.909360][ T5239] BTRFS info (device loop0): has skinny extents [ 111.924517][ T5239] BTRFS info (device loop0): enabling ssd optimizations [ 111.934584][ T5239] FAULT_INJECTION: forcing a failure. [ 111.934584][ T5239] name failslab, interval 1, probability 0, space 0, times 0 [ 111.938169][ T5239] CPU: 1 PID: 5239 Comm: syz.0.29 Tainted: G W 5.15.189-syzkaller #0 [ 111.940869][ T5239] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 111.943748][ T5239] Call trace: [ 111.944695][ T5239] dump_backtrace+0x0/0x43c [ 111.945943][ T5239] show_stack+0x2c/0x3c [ 111.947161][ T5239] __dump_stack+0x30/0x40 [ 111.948395][ T5239] dump_stack_lvl+0xf8/0x160 [ 111.949753][ T5239] dump_stack+0x1c/0x5c [ 111.950898][ T5239] should_fail+0x3c0/0x51c [ 111.952077][ T5239] __should_failslab+0xbc/0x10c [ 111.953445][ T5239] should_failslab+0x10/0x28 [ 111.954783][ T5239] slab_pre_alloc_hook+0x64/0xec [ 111.956215][ T5239] kmem_cache_alloc+0x94/0x3e4 [ 111.957534][ T5239] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 111.959210][ T5239] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 111.960938][ T5239] btrfs_insert_replace_extent+0x7e4/0x970 [ 111.962602][ T5239] btrfs_replace_file_extents+0xa68/0x1290 [ 111.964295][ T5239] __btrfs_prealloc_file_range+0x390/0xb88 [ 111.965933][ T5239] btrfs_prealloc_file_range+0x60/0x7c [ 111.967486][ T5239] btrfs_fallocate+0x1330/0x1614 [ 111.968872][ T5239] vfs_fallocate+0x4a4/0x5f4 [ 111.970112][ T5239] __arm64_sys_fallocate+0xc0/0x110 [ 111.971615][ T5239] invoke_syscall+0x98/0x2b8 [ 111.972846][ T5239] el0_svc_common+0x138/0x258 [ 111.974224][ T5239] do_el0_svc+0x58/0x14c [ 111.975432][ T5239] el0_svc+0x78/0x1e0 [ 111.976513][ T5239] el0t_64_sync_handler+0xcc/0xe4 [ 111.977883][ T5239] el0t_64_sync+0x1a0/0x1a4 [ 111.983429][ T5239] ------------[ cut here ]------------ [ 111.985210][ T5239] WARNING: CPU: 1 PID: 5239 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 111.987950][ T5239] Modules linked in: [ 111.988988][ T5239] CPU: 1 PID: 5239 Comm: syz.0.29 Tainted: G W 5.15.189-syzkaller #0 [ 111.991583][ T5239] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 111.994301][ T5239] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 111.996736][ T5239] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 111.998530][ T5239] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 112.000408][ T5239] sp : ffff800021117640 [ 112.001552][ T5239] x29: ffff800021117760 x28: 000000000000cfff x27: 0000000000000000 [ 112.003963][ T5239] x26: dfff800000000000 x25: ffff0000c60de000 x24: ffff0000dcf8ebf0 [ 112.006176][ T5239] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000de5e6d68 [ 112.008466][ T5239] x20: ffff0000de5e6d10 x19: 1fffe0001bcbcdad x18: 0000000000000001 [ 112.010781][ T5239] x17: 0000000000000000 x16: ffff8000111bc798 x15: 00000000ffffffff [ 112.013069][ T5239] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 112.015310][ T5239] x11: 0000000000000000 x10: 0000000000000000 x9 : 26d04c57cc534a00 [ 112.017801][ T5239] x8 : 26d04c57cc534a00 x7 : 0000000000000001 x6 : 0000000000000001 [ 112.020028][ T5239] x5 : ffff800021116f38 x4 : ffff80001424f400 x3 : ffff80000850433c [ 112.022410][ T5239] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 112.024742][ T5239] Call trace: [ 112.025712][ T5239] btrfs_replace_file_extents+0xcc4/0x1290 [ 112.027403][ T5239] __btrfs_prealloc_file_range+0x390/0xb88 [ 112.029207][ T5239] btrfs_prealloc_file_range+0x60/0x7c [ 112.030893][ T5239] btrfs_fallocate+0x1330/0x1614 [ 112.032512][ T5239] vfs_fallocate+0x4a4/0x5f4 [ 112.033845][ T5239] __arm64_sys_fallocate+0xc0/0x110 [ 112.035309][ T5239] invoke_syscall+0x98/0x2b8 [ 112.036595][ T5239] el0_svc_common+0x138/0x258 [ 112.037902][ T5239] do_el0_svc+0x58/0x14c [ 112.039153][ T5239] el0_svc+0x78/0x1e0 [ 112.040290][ T5239] el0t_64_sync_handler+0xcc/0xe4 [ 112.041637][ T5239] el0t_64_sync+0x1a0/0x1a4 [ 112.042976][ T5239] irq event stamp: 80350 [ 112.044237][ T5239] hardirqs last enabled at (80349): [] __up_console_sem+0xb4/0x100 [ 112.046883][ T5239] hardirqs last disabled at (80350): [] el1_dbg+0x24/0x80 [ 112.049427][ T5239] softirqs last enabled at (80326): [] handle_softirqs+0xa4c/0xbf0 [ 112.052174][ T5239] softirqs last disabled at (80277): [] __irq_exit_rcu+0x240/0x440 [ 112.054925][ T5239] ---[ end trace 4b68a30be86d7295 ]--- [ 112.060687][ T5239] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 112.063478][ T5239] BTRFS info (device loop0): forced readonly [ 112.381199][ T5261] loop0: detected capacity change from 0 to 32768 [ 112.426540][ T5261] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.30 (5261) [ 112.434427][ T5261] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 112.437054][ T5261] BTRFS info (device loop0): using free space tree [ 112.438887][ T5261] BTRFS info (device loop0): has skinny extents [ 112.464076][ T5261] BTRFS info (device loop0): enabling ssd optimizations [ 112.472073][ T5261] FAULT_INJECTION: forcing a failure. [ 112.472073][ T5261] name failslab, interval 1, probability 0, space 0, times 0 [ 112.475365][ T5261] CPU: 0 PID: 5261 Comm: syz.0.30 Tainted: G W 5.15.189-syzkaller #0 [ 112.477879][ T5261] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 112.480608][ T5261] Call trace: [ 112.481556][ T5261] dump_backtrace+0x0/0x43c [ 112.482887][ T5261] show_stack+0x2c/0x3c [ 112.484023][ T5261] __dump_stack+0x30/0x40 [ 112.485170][ T5261] dump_stack_lvl+0xf8/0x160 [ 112.486371][ T5261] dump_stack+0x1c/0x5c [ 112.487463][ T5261] should_fail+0x3c0/0x51c [ 112.488634][ T5261] __should_failslab+0xbc/0x10c [ 112.489902][ T5261] should_failslab+0x10/0x28 [ 112.491097][ T5261] slab_pre_alloc_hook+0x64/0xec [ 112.492403][ T5261] kmem_cache_alloc+0x94/0x3e4 [ 112.493677][ T5261] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 112.495182][ T5261] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 112.496846][ T5261] btrfs_insert_replace_extent+0x7e4/0x970 [ 112.498392][ T5261] btrfs_replace_file_extents+0xa68/0x1290 [ 112.499955][ T5261] __btrfs_prealloc_file_range+0x390/0xb88 [ 112.501520][ T5261] btrfs_prealloc_file_range+0x60/0x7c [ 112.502997][ T5261] btrfs_fallocate+0x1330/0x1614 [ 112.504307][ T5261] vfs_fallocate+0x4a4/0x5f4 [ 112.505512][ T5261] __arm64_sys_fallocate+0xc0/0x110 [ 112.506865][ T5261] invoke_syscall+0x98/0x2b8 [ 112.508089][ T5261] el0_svc_common+0x138/0x258 [ 112.509384][ T5261] do_el0_svc+0x58/0x14c [ 112.510649][ T5261] el0_svc+0x78/0x1e0 [ 112.511834][ T5261] el0t_64_sync_handler+0xcc/0xe4 [ 112.513295][ T5261] el0t_64_sync+0x1a0/0x1a4 [ 112.518583][ T5261] ------------[ cut here ]------------ [ 112.520450][ T5261] WARNING: CPU: 0 PID: 5261 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 112.523358][ T5261] Modules linked in: [ 112.524448][ T5261] CPU: 0 PID: 5261 Comm: syz.0.30 Tainted: G W 5.15.189-syzkaller #0 [ 112.527050][ T5261] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 112.529750][ T5261] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 112.531929][ T5261] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 112.533603][ T5261] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 112.535304][ T5261] sp : ffff800021277640 [ 112.536484][ T5261] x29: ffff800021277760 x28: 000000000000cfff x27: 0000000000000000 [ 112.538772][ T5261] x26: dfff800000000000 x25: ffff0000d15e4000 x24: ffff0000ec805850 [ 112.541058][ T5261] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000de5ed318 [ 112.543278][ T5261] x20: ffff0000de5ed2c0 x19: 1fffe0001bcbda63 x18: 0000000000000001 [ 112.545598][ T5261] x17: 0000000000000000 x16: ffff8000111bc798 x15: 00000000ffffffff [ 112.547836][ T5261] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 112.550112][ T5261] x11: 0000000000000000 x10: 0000000000000000 x9 : 43da637784c22800 [ 112.552419][ T5261] x8 : 43da637784c22800 x7 : 0000000000000001 x6 : 0000000000000001 [ 112.554692][ T5261] x5 : ffff800021276f38 x4 : ffff80001424f400 x3 : ffff80000850433c [ 112.556914][ T5261] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 112.559182][ T5261] Call trace: [ 112.560124][ T5261] btrfs_replace_file_extents+0xcc4/0x1290 [ 112.561820][ T5261] __btrfs_prealloc_file_range+0x390/0xb88 [ 112.563610][ T5261] btrfs_prealloc_file_range+0x60/0x7c [ 112.565150][ T5261] btrfs_fallocate+0x1330/0x1614 [ 112.566472][ T5261] vfs_fallocate+0x4a4/0x5f4 [ 112.567782][ T5261] __arm64_sys_fallocate+0xc0/0x110 [ 112.569299][ T5261] invoke_syscall+0x98/0x2b8 [ 112.570542][ T5261] el0_svc_common+0x138/0x258 [ 112.571894][ T5261] do_el0_svc+0x58/0x14c [ 112.573072][ T5261] el0_svc+0x78/0x1e0 [ 112.574315][ T5261] el0t_64_sync_handler+0xcc/0xe4 [ 112.575775][ T5261] el0t_64_sync+0x1a0/0x1a4 [ 112.577138][ T5261] irq event stamp: 80136 [ 112.578444][ T5261] hardirqs last enabled at (80135): [] __up_console_sem+0xb4/0x100 [ 112.581413][ T5261] hardirqs last disabled at (80136): [] el1_dbg+0x24/0x80 [ 112.583958][ T5261] softirqs last enabled at (80124): [] handle_softirqs+0xa4c/0xbf0 [ 112.586873][ T5261] softirqs last disabled at (80115): [] __irq_exit_rcu+0x240/0x440 [ 112.589551][ T5261] ---[ end trace 4b68a30be86d7296 ]--- [ 112.594507][ T5261] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 112.597309][ T5261] BTRFS info (device loop0): forced readonly [ 112.889689][ T5283] loop0: detected capacity change from 0 to 32768 [ 112.894269][ T5283] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.31 (5283) [ 112.907321][ T5283] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 112.910097][ T5283] BTRFS info (device loop0): using free space tree [ 112.911845][ T5283] BTRFS info (device loop0): has skinny extents [ 112.927068][ T5283] BTRFS info (device loop0): enabling ssd optimizations [ 112.933549][ T5283] FAULT_INJECTION: forcing a failure. [ 112.933549][ T5283] name failslab, interval 1, probability 0, space 0, times 0 [ 112.937167][ T5283] CPU: 1 PID: 5283 Comm: syz.0.31 Tainted: G W 5.15.189-syzkaller #0 [ 112.939751][ T5283] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 112.942440][ T5283] Call trace: [ 112.943345][ T5283] dump_backtrace+0x0/0x43c [ 112.944611][ T5283] show_stack+0x2c/0x3c [ 112.945820][ T5283] __dump_stack+0x30/0x40 [ 112.947028][ T5283] dump_stack_lvl+0xf8/0x160 [ 112.948399][ T5283] dump_stack+0x1c/0x5c [ 112.949554][ T5283] should_fail+0x3c0/0x51c [ 112.950813][ T5283] __should_failslab+0xbc/0x10c [ 112.952193][ T5283] should_failslab+0x10/0x28 [ 112.953504][ T5283] slab_pre_alloc_hook+0x64/0xec [ 112.954888][ T5283] kmem_cache_alloc+0x94/0x3e4 [ 112.956218][ T5283] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 112.957727][ T5283] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 112.959667][ T5283] btrfs_insert_replace_extent+0x7e4/0x970 [ 112.961288][ T5283] btrfs_replace_file_extents+0xa68/0x1290 [ 112.962937][ T5283] __btrfs_prealloc_file_range+0x390/0xb88 [ 112.964590][ T5283] btrfs_prealloc_file_range+0x60/0x7c [ 112.966126][ T5283] btrfs_fallocate+0x1330/0x1614 [ 112.967592][ T5283] vfs_fallocate+0x4a4/0x5f4 [ 112.968925][ T5283] __arm64_sys_fallocate+0xc0/0x110 [ 112.970388][ T5283] invoke_syscall+0x98/0x2b8 [ 112.971621][ T5283] el0_svc_common+0x138/0x258 [ 112.972968][ T5283] do_el0_svc+0x58/0x14c [ 112.974162][ T5283] el0_svc+0x78/0x1e0 [ 112.975216][ T5283] el0t_64_sync_handler+0xcc/0xe4 [ 112.976650][ T5283] el0t_64_sync+0x1a0/0x1a4 [ 112.978358][ T5283] ------------[ cut here ]------------ [ 112.981036][ T5283] WARNING: CPU: 1 PID: 5283 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 112.983936][ T5283] Modules linked in: [ 112.984999][ T5283] CPU: 1 PID: 5283 Comm: syz.0.31 Tainted: G W 5.15.189-syzkaller #0 [ 112.987602][ T5283] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 112.990288][ T5283] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 112.992423][ T5283] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 112.994183][ T5283] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 112.995997][ T5283] sp : ffff8000213f7640 [ 112.997153][ T5283] x29: ffff8000213f7760 x28: 000000000000cfff x27: 0000000000000000 [ 112.999430][ T5283] x26: dfff800000000000 x25: ffff0000d6f18000 x24: ffff0000e2790000 [ 113.001791][ T5283] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000de5e6318 [ 113.004159][ T5283] x20: ffff0000de5e62c0 x19: 1fffe0001bcbcc63 x18: 0000000000000001 [ 113.006456][ T5283] x17: 0000000000000000 x16: ffff8000083020fc x15: 00000000ffffffff [ 113.008648][ T5283] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 113.010930][ T5283] x11: 0000000000000000 x10: 0000000000000000 x9 : df940b074ecf3c00 [ 113.013206][ T5283] x8 : df940b074ecf3c00 x7 : 0000000000000001 x6 : 0000000000000001 [ 113.015441][ T5283] x5 : ffff8000213f6f38 x4 : ffff80001424f400 x3 : ffff80000830220c [ 113.017678][ T5283] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 113.019929][ T5283] Call trace: [ 113.020836][ T5283] btrfs_replace_file_extents+0xcc4/0x1290 [ 113.022452][ T5283] __btrfs_prealloc_file_range+0x390/0xb88 [ 113.024117][ T5283] btrfs_prealloc_file_range+0x60/0x7c [ 113.025631][ T5283] btrfs_fallocate+0x1330/0x1614 [ 113.027078][ T5283] vfs_fallocate+0x4a4/0x5f4 [ 113.028425][ T5283] __arm64_sys_fallocate+0xc0/0x110 [ 113.029803][ T5283] invoke_syscall+0x98/0x2b8 [ 113.031069][ T5283] el0_svc_common+0x138/0x258 [ 113.032368][ T5283] do_el0_svc+0x58/0x14c [ 113.033625][ T5283] el0_svc+0x78/0x1e0 [ 113.034758][ T5283] el0t_64_sync_handler+0xcc/0xe4 [ 113.036231][ T5283] el0t_64_sync+0x1a0/0x1a4 [ 113.037513][ T5283] irq event stamp: 80640 [ 113.038534][ T5283] hardirqs last enabled at (80639): [] __up_console_sem+0xb4/0x100 [ 113.041186][ T5283] hardirqs last disabled at (80640): [] el1_dbg+0x24/0x80 [ 113.043700][ T5283] softirqs last enabled at (80628): [] handle_softirqs+0xa4c/0xbf0 [ 113.046318][ T5283] softirqs last disabled at (80533): [] __irq_exit_rcu+0x240/0x440 [ 113.049045][ T5283] ---[ end trace 4b68a30be86d7297 ]--- [ 113.050934][ T5283] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 113.053700][ T5283] BTRFS info (device loop0): forced readonly [ 113.330849][ T5305] loop0: detected capacity change from 0 to 32768 [ 113.367248][ T5305] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.32 (5305) [ 113.374030][ T5305] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 113.376461][ T5305] BTRFS info (device loop0): using free space tree [ 113.378277][ T5305] BTRFS info (device loop0): has skinny extents [ 113.408274][ T5305] BTRFS info (device loop0): enabling ssd optimizations [ 113.414335][ T5305] FAULT_INJECTION: forcing a failure. [ 113.414335][ T5305] name failslab, interval 1, probability 0, space 0, times 0 [ 113.417817][ T5305] CPU: 1 PID: 5305 Comm: syz.0.32 Tainted: G W 5.15.189-syzkaller #0 [ 113.420426][ T5305] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 113.423240][ T5305] Call trace: [ 113.424119][ T5305] dump_backtrace+0x0/0x43c [ 113.425518][ T5305] show_stack+0x2c/0x3c [ 113.426682][ T5305] __dump_stack+0x30/0x40 [ 113.427926][ T5305] dump_stack_lvl+0xf8/0x160 [ 113.429241][ T5305] dump_stack+0x1c/0x5c [ 113.430389][ T5305] should_fail+0x3c0/0x51c [ 113.431655][ T5305] __should_failslab+0xbc/0x10c [ 113.433036][ T5305] should_failslab+0x10/0x28 [ 113.434358][ T5305] slab_pre_alloc_hook+0x64/0xec [ 113.435706][ T5305] kmem_cache_alloc+0x94/0x3e4 [ 113.437091][ T5305] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 113.438763][ T5305] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 113.440599][ T5305] btrfs_insert_replace_extent+0x7e4/0x970 [ 113.442263][ T5305] btrfs_replace_file_extents+0xa68/0x1290 [ 113.443882][ T5305] __btrfs_prealloc_file_range+0x390/0xb88 [ 113.445539][ T5305] btrfs_prealloc_file_range+0x60/0x7c [ 113.447140][ T5305] btrfs_fallocate+0x1330/0x1614 [ 113.448792][ T5305] vfs_fallocate+0x4a4/0x5f4 [ 113.450247][ T5305] __arm64_sys_fallocate+0xc0/0x110 [ 113.451804][ T5305] invoke_syscall+0x98/0x2b8 [ 113.453106][ T5305] el0_svc_common+0x138/0x258 [ 113.454456][ T5305] do_el0_svc+0x58/0x14c [ 113.455649][ T5305] el0_svc+0x78/0x1e0 [ 113.456775][ T5305] el0t_64_sync_handler+0xcc/0xe4 [ 113.458161][ T5305] el0t_64_sync+0x1a0/0x1a4 [ 113.461904][ T5305] ------------[ cut here ]------------ [ 113.463736][ T5305] WARNING: CPU: 1 PID: 5305 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 113.466806][ T5305] Modules linked in: [ 113.468190][ T5305] CPU: 1 PID: 5305 Comm: syz.0.32 Tainted: G W 5.15.189-syzkaller #0 [ 113.471075][ T5305] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 113.473987][ T5305] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 113.476123][ T5305] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 113.478003][ T5305] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 113.479655][ T5305] sp : ffff800021117640 [ 113.480772][ T5305] x29: ffff800021117760 x28: 000000000000cfff x27: 0000000000000000 [ 113.482989][ T5305] x26: dfff800000000000 x25: ffff0000d8f02000 x24: ffff0000e2791d70 [ 113.485114][ T5305] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000de5e6e18 [ 113.487292][ T5305] x20: ffff0000de5e6dc0 x19: 1fffe0001bcbcdc3 x18: 0000000000000001 [ 113.489573][ T5305] x17: 0000000000000000 x16: ffff8000111bc798 x15: 00000000ffffffff [ 113.491799][ T5305] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 113.494032][ T5305] x11: 0000000000000000 x10: 0000000000000000 x9 : 279d96a479af6500 [ 113.496240][ T5305] x8 : 279d96a479af6500 x7 : 0000000000000001 x6 : 0000000000000001 [ 113.498509][ T5305] x5 : ffff800021116f38 x4 : ffff80001424f400 x3 : ffff80000850433c [ 113.500756][ T5305] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 113.503043][ T5305] Call trace: [ 113.504058][ T5305] btrfs_replace_file_extents+0xcc4/0x1290 [ 113.505784][ T5305] __btrfs_prealloc_file_range+0x390/0xb88 [ 113.507410][ T5305] btrfs_prealloc_file_range+0x60/0x7c [ 113.509036][ T5305] btrfs_fallocate+0x1330/0x1614 [ 113.510431][ T5305] vfs_fallocate+0x4a4/0x5f4 [ 113.511710][ T5305] __arm64_sys_fallocate+0xc0/0x110 [ 113.513166][ T5305] invoke_syscall+0x98/0x2b8 [ 113.514428][ T5305] el0_svc_common+0x138/0x258 [ 113.515725][ T5305] do_el0_svc+0x58/0x14c [ 113.516858][ T5305] el0_svc+0x78/0x1e0 [ 113.517958][ T5305] el0t_64_sync_handler+0xcc/0xe4 [ 113.519443][ T5305] el0t_64_sync+0x1a0/0x1a4 [ 113.520718][ T5305] irq event stamp: 79604 [ 113.522000][ T5305] hardirqs last enabled at (79603): [] __up_console_sem+0xb4/0x100 [ 113.524715][ T5305] hardirqs last disabled at (79604): [] el1_dbg+0x24/0x80 [ 113.527228][ T5305] softirqs last enabled at (79580): [] handle_softirqs+0xa4c/0xbf0 [ 113.529994][ T5305] softirqs last disabled at (79557): [] __irq_exit_rcu+0x240/0x440 [ 113.532586][ T5305] ---[ end trace 4b68a30be86d7298 ]--- [ 113.537771][ T5305] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 113.540784][ T5305] BTRFS info (device loop0): forced readonly [ 113.823060][ T5327] loop0: detected capacity change from 0 to 32768 [ 113.867858][ T5327] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.33 (5327) [ 113.874135][ T5327] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 113.876651][ T5327] BTRFS info (device loop0): using free space tree [ 113.878532][ T5327] BTRFS info (device loop0): has skinny extents [ 113.894995][ T5327] BTRFS info (device loop0): enabling ssd optimizations [ 113.902694][ T5327] FAULT_INJECTION: forcing a failure. [ 113.902694][ T5327] name failslab, interval 1, probability 0, space 0, times 0 [ 113.906411][ T5327] CPU: 1 PID: 5327 Comm: syz.0.33 Tainted: G W 5.15.189-syzkaller #0 [ 113.909202][ T5327] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 113.912116][ T5327] Call trace: [ 113.913065][ T5327] dump_backtrace+0x0/0x43c [ 113.914486][ T5327] show_stack+0x2c/0x3c [ 113.915681][ T5327] __dump_stack+0x30/0x40 [ 113.917002][ T5327] dump_stack_lvl+0xf8/0x160 [ 113.918312][ T5327] dump_stack+0x1c/0x5c [ 113.919517][ T5327] should_fail+0x3c0/0x51c [ 113.920928][ T5327] __should_failslab+0xbc/0x10c [ 113.922328][ T5327] should_failslab+0x10/0x28 [ 113.923814][ T5327] slab_pre_alloc_hook+0x64/0xec [ 113.925111][ T5327] kmem_cache_alloc+0x94/0x3e4 [ 113.926517][ T5327] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 113.928178][ T5327] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 113.930091][ T5327] btrfs_insert_replace_extent+0x7e4/0x970 [ 113.931662][ T5327] btrfs_replace_file_extents+0xa68/0x1290 [ 113.933321][ T5327] __btrfs_prealloc_file_range+0x390/0xb88 [ 113.934989][ T5327] btrfs_prealloc_file_range+0x60/0x7c [ 113.936612][ T5327] btrfs_fallocate+0x1330/0x1614 [ 113.937980][ T5327] vfs_fallocate+0x4a4/0x5f4 [ 113.939280][ T5327] __arm64_sys_fallocate+0xc0/0x110 [ 113.940738][ T5327] invoke_syscall+0x98/0x2b8 [ 113.942070][ T5327] el0_svc_common+0x138/0x258 [ 113.943418][ T5327] do_el0_svc+0x58/0x14c [ 113.944631][ T5327] el0_svc+0x78/0x1e0 [ 113.945723][ T5327] el0t_64_sync_handler+0xcc/0xe4 [ 113.947053][ T5327] el0t_64_sync+0x1a0/0x1a4 [ 113.950007][ T5327] ------------[ cut here ]------------ [ 113.951952][ T5327] WARNING: CPU: 1 PID: 5327 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 113.955024][ T5327] Modules linked in: [ 113.956203][ T5327] CPU: 1 PID: 5327 Comm: syz.0.33 Tainted: G W 5.15.189-syzkaller #0 [ 113.958867][ T5327] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 113.961701][ T5327] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 113.963908][ T5327] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 113.965747][ T5327] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 113.967470][ T5327] sp : ffff800021687640 [ 113.968754][ T5327] x29: ffff800021687760 x28: 000000000000cfff x27: 0000000000000000 [ 113.971093][ T5327] x26: dfff800000000000 x25: ffff0000d05ae000 x24: ffff0000e2793ae0 [ 113.973399][ T5327] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000de5e6f78 [ 113.975601][ T5327] x20: ffff0000de5e6f20 x19: 1fffe0001bcbcdef x18: 0000000000000001 [ 113.977844][ T5327] x17: 0000000000000000 x16: ffff8000111bc798 x15: 00000000ffffffff [ 113.980103][ T5327] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 113.982395][ T5327] x11: 0000000000000000 x10: 0000000000000000 x9 : 1eae1c03b1e9a600 [ 113.984757][ T5327] x8 : 1eae1c03b1e9a600 x7 : 0000000000000001 x6 : 0000000000000001 [ 113.986906][ T5327] x5 : ffff800021686f38 x4 : ffff80001424f400 x3 : ffff80000850433c [ 113.989110][ T5327] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 113.991388][ T5327] Call trace: [ 113.992319][ T5327] btrfs_replace_file_extents+0xcc4/0x1290 [ 113.993937][ T5327] __btrfs_prealloc_file_range+0x390/0xb88 [ 113.995679][ T5327] btrfs_prealloc_file_range+0x60/0x7c [ 113.997325][ T5327] btrfs_fallocate+0x1330/0x1614 [ 113.998806][ T5327] vfs_fallocate+0x4a4/0x5f4 [ 114.000145][ T5327] __arm64_sys_fallocate+0xc0/0x110 [ 114.001596][ T5327] invoke_syscall+0x98/0x2b8 [ 114.002978][ T5327] el0_svc_common+0x138/0x258 [ 114.004338][ T5327] do_el0_svc+0x58/0x14c [ 114.005541][ T5327] el0_svc+0x78/0x1e0 [ 114.006650][ T5327] el0t_64_sync_handler+0xcc/0xe4 [ 114.008082][ T5327] el0t_64_sync+0x1a0/0x1a4 [ 114.009436][ T5327] irq event stamp: 79918 [ 114.010700][ T5327] hardirqs last enabled at (79917): [] __up_console_sem+0xb4/0x100 [ 114.013448][ T5327] hardirqs last disabled at (79918): [] el1_dbg+0x24/0x80 [ 114.015911][ T5327] softirqs last enabled at (79894): [] handle_softirqs+0xa4c/0xbf0 [ 114.018669][ T5327] softirqs last disabled at (79791): [] __irq_exit_rcu+0x240/0x440 [ 114.021380][ T5327] ---[ end trace 4b68a30be86d7299 ]--- [ 114.025259][ T5327] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 114.027994][ T5327] BTRFS info (device loop0): forced readonly 1970/01/01 00:01:54 executed programs: 21 [ 114.319244][ T5349] loop0: detected capacity change from 0 to 32768 [ 114.330898][ T5349] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.34 (5349) [ 114.338497][ T5349] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 114.341099][ T5349] BTRFS info (device loop0): using free space tree [ 114.342881][ T5349] BTRFS info (device loop0): has skinny extents [ 114.373088][ T5349] BTRFS info (device loop0): enabling ssd optimizations [ 114.385302][ T5349] FAULT_INJECTION: forcing a failure. [ 114.385302][ T5349] name failslab, interval 1, probability 0, space 0, times 0 [ 114.389282][ T5349] CPU: 1 PID: 5349 Comm: syz.0.34 Tainted: G W 5.15.189-syzkaller #0 [ 114.391803][ T5349] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 114.394546][ T5349] Call trace: [ 114.395425][ T5349] dump_backtrace+0x0/0x43c [ 114.396690][ T5349] show_stack+0x2c/0x3c [ 114.397787][ T5349] __dump_stack+0x30/0x40 [ 114.398991][ T5349] dump_stack_lvl+0xf8/0x160 [ 114.400236][ T5349] dump_stack+0x1c/0x5c [ 114.401450][ T5349] should_fail+0x3c0/0x51c [ 114.402659][ T5349] __should_failslab+0xbc/0x10c [ 114.404054][ T5349] should_failslab+0x10/0x28 [ 114.405264][ T5349] slab_pre_alloc_hook+0x64/0xec [ 114.406667][ T5349] kmem_cache_alloc+0x94/0x3e4 [ 114.408006][ T5349] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 114.409661][ T5349] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 114.411569][ T5349] btrfs_insert_replace_extent+0x7e4/0x970 [ 114.413263][ T5349] btrfs_replace_file_extents+0xa68/0x1290 [ 114.415008][ T5349] __btrfs_prealloc_file_range+0x390/0xb88 [ 114.416702][ T5349] btrfs_prealloc_file_range+0x60/0x7c [ 114.418207][ T5349] btrfs_fallocate+0x1330/0x1614 [ 114.419538][ T5349] vfs_fallocate+0x4a4/0x5f4 [ 114.420815][ T5349] __arm64_sys_fallocate+0xc0/0x110 [ 114.422241][ T5349] invoke_syscall+0x98/0x2b8 [ 114.423470][ T5349] el0_svc_common+0x138/0x258 [ 114.424864][ T5349] do_el0_svc+0x58/0x14c [ 114.426144][ T5349] el0_svc+0x78/0x1e0 [ 114.427284][ T5349] el0t_64_sync_handler+0xcc/0xe4 [ 114.428827][ T5349] el0t_64_sync+0x1a0/0x1a4 [ 114.442077][ T5349] ------------[ cut here ]------------ [ 114.443939][ T5349] WARNING: CPU: 1 PID: 5349 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 114.446617][ T5349] Modules linked in: [ 114.447728][ T5349] CPU: 1 PID: 5349 Comm: syz.0.34 Tainted: G W 5.15.189-syzkaller #0 [ 114.450340][ T5349] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 114.453115][ T5349] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 114.455185][ T5349] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 114.456884][ T5349] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 114.458578][ T5349] sp : ffff8000213e7640 [ 114.459653][ T5349] x29: ffff8000213e7760 x28: 000000000000cfff x27: 0000000000000000 [ 114.461856][ T5349] x26: dfff800000000000 x25: ffff0000ebbec000 x24: ffff0000e2794e80 [ 114.464030][ T5349] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000de5e6688 [ 114.466196][ T5349] x20: ffff0000de5e6630 x19: 1fffe0001bcbccd1 x18: 0000000000000001 [ 114.468396][ T5349] x17: 0000000000000000 x16: ffff8000111bc798 x15: 00000000ffffffff [ 114.470600][ T5349] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 114.472956][ T5349] x11: 0000000000000000 x10: 0000000000000000 x9 : df7adf9c38f45800 [ 114.475289][ T5349] x8 : df7adf9c38f45800 x7 : 0000000000000001 x6 : 0000000000000001 [ 114.477532][ T5349] x5 : ffff8000213e6f38 x4 : ffff80001424f400 x3 : ffff80000850433c [ 114.479775][ T5349] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 114.482102][ T5349] Call trace: [ 114.483087][ T5349] btrfs_replace_file_extents+0xcc4/0x1290 [ 114.484736][ T5349] __btrfs_prealloc_file_range+0x390/0xb88 [ 114.486403][ T5349] btrfs_prealloc_file_range+0x60/0x7c [ 114.487946][ T5349] btrfs_fallocate+0x1330/0x1614 [ 114.489350][ T5349] vfs_fallocate+0x4a4/0x5f4 [ 114.490564][ T5349] __arm64_sys_fallocate+0xc0/0x110 [ 114.491961][ T5349] invoke_syscall+0x98/0x2b8 [ 114.493169][ T5349] el0_svc_common+0x138/0x258 [ 114.494417][ T5349] do_el0_svc+0x58/0x14c [ 114.495534][ T5349] el0_svc+0x78/0x1e0 [ 114.496594][ T5349] el0t_64_sync_handler+0xcc/0xe4 [ 114.497928][ T5349] el0t_64_sync+0x1a0/0x1a4 [ 114.499142][ T5349] irq event stamp: 79818 [ 114.500289][ T5349] hardirqs last enabled at (79817): [] __up_console_sem+0xb4/0x100 [ 114.502879][ T5349] hardirqs last disabled at (79818): [] el1_dbg+0x24/0x80 [ 114.505367][ T5349] softirqs last enabled at (79790): [] handle_softirqs+0xa4c/0xbf0 [ 114.507992][ T5349] softirqs last disabled at (79735): [] __irq_exit_rcu+0x240/0x440 [ 114.510574][ T5349] ---[ end trace 4b68a30be86d729a ]--- [ 114.515701][ T5349] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 114.518588][ T5349] BTRFS info (device loop0): forced readonly