Warning: Permanently added '10.128.1.82' (ED25519) to the list of known hosts. 1970/01/01 00:01:04 ignoring optional flag "type"="gce" 1970/01/01 00:01:05 parsed 1 programs [ 66.421333][ T4517] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 69.621256][ T21] cfg80211: failed to load regulatory.db [ 69.623091][ T2064] ieee802154 phy0 wpan0: encryption failed: -22 [ 69.624169][ T2064] ieee802154 phy1 wpan1: encryption failed: -22 [ 70.088654][ T4568] chnl_net:caif_netlink_parms(): no params data found [ 70.107712][ T4568] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.108970][ T4568] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.111186][ T4568] device bridge_slave_0 entered promiscuous mode [ 70.113341][ T4568] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.114443][ T4568] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.115836][ T4568] device bridge_slave_1 entered promiscuous mode [ 70.126828][ T4568] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.129864][ T4568] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.138190][ T4568] team0: Port device team_slave_0 added [ 70.141327][ T4568] team0: Port device team_slave_1 added [ 70.148336][ T4568] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 70.149904][ T4568] 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. [ 70.154161][ T4568] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 70.156543][ T4568] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 70.157677][ T4568] 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. [ 70.162148][ T4568] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 70.230452][ T4568] device hsr_slave_0 entered promiscuous mode [ 70.269381][ T4568] device hsr_slave_1 entered promiscuous mode [ 70.945754][ T4568] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 71.001620][ T4568] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 71.060533][ T4568] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 71.111987][ T4568] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 71.191437][ T4568] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.196426][ T442] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.197858][ T442] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.203280][ T4568] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.205737][ T442] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.207383][ T442] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.210737][ T442] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.211883][ T442] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.213267][ T442] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.218567][ T442] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.221692][ T442] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.223213][ T442] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.224278][ T442] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.225610][ T442] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.227262][ T442] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.235682][ T4568] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 71.237344][ T4568] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 71.240788][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.242621][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.244261][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.246569][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.247983][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.253919][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.259774][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.261340][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.267560][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.269734][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.323970][ T442] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.325355][ T442] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.328593][ T4568] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.338089][ T442] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 71.341009][ T442] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 71.348892][ T4568] device veth0_vlan entered promiscuous mode [ 71.350482][ T442] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 71.352129][ T442] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 71.353890][ T442] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 71.355578][ T442] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 71.360553][ T4568] device veth1_vlan entered promiscuous mode [ 71.368818][ T442] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 71.370449][ T442] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 71.371910][ T442] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 71.373445][ T442] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 71.376972][ T4568] device veth0_macvtap entered promiscuous mode [ 71.397997][ T4568] device veth1_macvtap entered promiscuous mode [ 71.405688][ T4568] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 71.408161][ T4568] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 71.411030][ T442] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 71.412477][ T442] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 71.413915][ T442] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 71.415399][ T442] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 71.416932][ T442] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 71.418428][ T442] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 71.425979][ T4568] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.427317][ T4568] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.428696][ T4568] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.430938][ T4568] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.521830][ T442] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 71.523075][ T442] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 71.530211][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 71.537111][ T442] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 71.538398][ T442] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 71.541367][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:01:11 executed programs: 0 [ 72.053421][ T4772] chnl_net:caif_netlink_parms(): no params data found [ 72.074257][ T4772] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.075487][ T4772] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.076988][ T4772] device bridge_slave_0 entered promiscuous mode [ 72.079938][ T4772] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.081167][ T4772] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.082615][ T4772] device bridge_slave_1 entered promiscuous mode [ 72.092264][ T4772] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 72.094830][ T4772] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 72.104971][ T4772] team0: Port device team_slave_0 added [ 72.107003][ T4772] team0: Port device team_slave_1 added [ 72.115290][ T4772] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 72.116479][ T4772] 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. [ 72.121277][ T4772] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 72.124944][ T4772] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 72.126006][ T4772] 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. [ 72.130609][ T4772] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 72.180552][ T4772] device hsr_slave_0 entered promiscuous mode [ 72.190000][ T4772] device hsr_slave_1 entered promiscuous mode [ 72.249691][ T4772] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 72.250880][ T4772] Cannot create hsr debugfs directory [ 72.299990][ T4772] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 74.019233][ T3625] Bluetooth: hci0: command 0x0409 tx timeout [ 74.543359][ T4772] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 76.099334][ T4162] Bluetooth: hci0: command 0x041b tx timeout [ 76.863104][ T4772] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 76.914491][ T4772] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 77.099562][ T4772] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 77.121484][ T4772] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 77.160616][ T4772] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 77.223473][ T4772] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 77.301265][ T4772] 8021q: adding VLAN 0 to HW filter on device bond0 [ 77.305267][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 77.306602][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 77.309383][ T4772] 8021q: adding VLAN 0 to HW filter on device team0 [ 77.311917][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 77.313591][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 77.315014][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.316150][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 77.317470][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 77.325973][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 77.327601][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 77.329047][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.330193][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 77.343269][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 77.346305][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 77.350839][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 77.352810][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 77.354372][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 77.357178][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 77.358826][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 77.362434][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 77.363947][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 77.366598][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 77.368078][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 77.371562][ T4772] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 77.421093][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 77.422364][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 77.425831][ T4772] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 77.433071][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 77.434739][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 77.441277][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 77.443132][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 77.444605][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 77.445991][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 77.448369][ T4772] device veth0_vlan entered promiscuous mode [ 77.452968][ T4772] device veth1_vlan entered promiscuous mode [ 77.461073][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 77.462676][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 77.464038][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 77.465550][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 77.467988][ T4772] device veth0_macvtap entered promiscuous mode [ 77.471634][ T4772] device veth1_macvtap entered promiscuous mode [ 77.476948][ T4772] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 77.478640][ T4772] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 77.481050][ T4772] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 77.482284][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 77.483832][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 77.485204][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 77.486753][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 77.490329][ T4772] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 77.491935][ T4772] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 77.493951][ T4772] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 77.495118][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 77.496765][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 77.500453][ T4772] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.501878][ T4772] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.503272][ T4772] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.504633][ T4772] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.526583][ T148] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 77.527917][ T148] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 77.530417][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 77.538622][ T442] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 77.540288][ T442] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 77.541870][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:01:17 executed programs: 2 [ 77.654194][ T4988] loop0: detected capacity change from 0 to 32768 [ 77.711477][ T4988] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.15 (4988) [ 77.722071][ T4988] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 77.724597][ T4988] BTRFS info (device loop0): using free space tree [ 77.725611][ T4988] BTRFS info (device loop0): has skinny extents [ 77.736621][ T4988] BTRFS info (device loop0): enabling ssd optimizations [ 77.746553][ T4988] FAULT_INJECTION: forcing a failure. [ 77.746553][ T4988] name failslab, interval 1, probability 0, space 0, times 1 [ 77.748628][ T4988] CPU: 0 PID: 4988 Comm: syz.0.15 Not tainted syzkaller #0 [ 77.749669][ T4988] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 77.751241][ T4988] Call trace: [ 77.751715][ T4988] dump_backtrace+0x0/0x43c [ 77.752464][ T4988] show_stack+0x2c/0x3c [ 77.753084][ T4988] __dump_stack+0x30/0x40 [ 77.753745][ T4988] dump_stack_lvl+0xf8/0x160 [ 77.754509][ T4988] dump_stack+0x1c/0x5c [ 77.755138][ T4988] should_fail+0x3c0/0x51c [ 77.755828][ T4988] __should_failslab+0xbc/0x10c [ 77.756617][ T4988] should_failslab+0x10/0x28 [ 77.757355][ T4988] slab_pre_alloc_hook+0x64/0xec [ 77.758193][ T4988] kmem_cache_alloc+0x94/0x3e4 [ 77.758944][ T4988] btrfs_add_delayed_data_ref+0x164/0xd0c [ 77.759870][ T4988] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 77.760860][ T4988] btrfs_insert_replace_extent+0x7e4/0x970 [ 77.761835][ T4988] btrfs_replace_file_extents+0xa68/0x1290 [ 77.762781][ T4988] __btrfs_prealloc_file_range+0x390/0xb88 [ 77.763701][ T4988] btrfs_prealloc_file_range+0x60/0x7c [ 77.764583][ T4988] btrfs_fallocate+0x1330/0x1614 [ 77.765280][ T4988] vfs_fallocate+0x4a4/0x5f4 [ 77.766002][ T4988] __arm64_sys_fallocate+0xc0/0x110 [ 77.766809][ T4988] invoke_syscall+0x98/0x2b8 [ 77.767537][ T4988] el0_svc_common+0x138/0x258 [ 77.768302][ T4988] do_el0_svc+0x58/0x14c [ 77.769005][ T4988] el0_svc+0x78/0x1e0 [ 77.769662][ T4988] el0t_64_sync_handler+0xcc/0xe4 [ 77.770493][ T4988] el0t_64_sync+0x1a0/0x1a4 [ 77.776238][ T4988] ------------[ cut here ]------------ [ 77.777186][ T4988] WARNING: CPU: 0 PID: 4988 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 77.778768][ T4988] Modules linked in: [ 77.779386][ T4988] CPU: 0 PID: 4988 Comm: syz.0.15 Not tainted syzkaller #0 [ 77.780497][ T4988] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 77.782021][ T4988] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 77.783329][ T4988] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 77.784238][ T4988] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 77.785151][ T4988] sp : ffff80001f9a7640 [ 77.785739][ T4988] x29: ffff80001f9a7760 x28: 000000000000cfff x27: 0000000000000000 [ 77.786899][ T4988] x26: dfff800000000000 x25: ffff0000da07e000 x24: ffff0000e32809d0 [ 77.788054][ T4988] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000deea2108 [ 77.789374][ T4988] x20: ffff0000deea20b0 x19: 1fffe0001bdd4421 x18: 0000000000000001 [ 77.790567][ T4988] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 77.791746][ T4988] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 77.793032][ T4988] x11: 0000000000000000 x10: 0000000000000000 x9 : 8c32d77425e5fa00 [ 77.794317][ T4988] x8 : 8c32d77425e5fa00 x7 : 0000000000000001 x6 : 0000000000000001 [ 77.795585][ T4988] x5 : ffff80001f9a6f38 x4 : ffff80001425f420 x3 : ffff800008504400 [ 77.796900][ T4988] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 77.798195][ T4988] Call trace: [ 77.798709][ T4988] btrfs_replace_file_extents+0xcc4/0x1290 [ 77.799665][ T4988] __btrfs_prealloc_file_range+0x390/0xb88 [ 77.800599][ T4988] btrfs_prealloc_file_range+0x60/0x7c [ 77.801439][ T4988] btrfs_fallocate+0x1330/0x1614 [ 77.802150][ T4988] vfs_fallocate+0x4a4/0x5f4 [ 77.802799][ T4988] __arm64_sys_fallocate+0xc0/0x110 [ 77.803609][ T4988] invoke_syscall+0x98/0x2b8 [ 77.804294][ T4988] el0_svc_common+0x138/0x258 [ 77.805055][ T4988] do_el0_svc+0x58/0x14c [ 77.805740][ T4988] el0_svc+0x78/0x1e0 [ 77.806329][ T4988] el0t_64_sync_handler+0xcc/0xe4 [ 77.807092][ T4988] el0t_64_sync+0x1a0/0x1a4 [ 77.807747][ T4988] irq event stamp: 82894 [ 77.808409][ T4988] hardirqs last enabled at (82893): [] __up_console_sem+0xb4/0x100 [ 77.809803][ T4988] hardirqs last disabled at (82894): [] el1_dbg+0x24/0x80 [ 77.811110][ T4988] softirqs last enabled at (82874): [] handle_softirqs+0xa4c/0xbf0 [ 77.812477][ T4988] softirqs last disabled at (82743): [] __irq_exit_rcu+0x240/0x440 [ 77.813854][ T4988] ---[ end trace b3a60e1bb2d4d0f0 ]--- [ 77.816551][ T4988] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 77.818192][ T4988] BTRFS info (device loop0): forced readonly [ 77.974712][ T5015] loop0: detected capacity change from 0 to 32768 [ 77.983559][ T5015] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.16 (5015) [ 77.988655][ T5015] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 77.990333][ T5015] BTRFS info (device loop0): using free space tree [ 77.991258][ T5015] BTRFS info (device loop0): has skinny extents [ 78.005561][ T5015] BTRFS info (device loop0): enabling ssd optimizations [ 78.011356][ T5015] FAULT_INJECTION: forcing a failure. [ 78.011356][ T5015] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 78.013479][ T5015] CPU: 1 PID: 5015 Comm: syz.0.16 Tainted: G W syzkaller #0 [ 78.014822][ T5015] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 78.016269][ T5015] Call trace: [ 78.016732][ T5015] dump_backtrace+0x0/0x43c [ 78.017507][ T5015] show_stack+0x2c/0x3c [ 78.018095][ T5015] __dump_stack+0x30/0x40 [ 78.018748][ T5015] dump_stack_lvl+0xf8/0x160 [ 78.019507][ T5015] dump_stack+0x1c/0x5c [ 78.020197][ T5015] should_fail+0x3c0/0x51c [ 78.020897][ T5015] should_fail_alloc_page+0x74/0xa8 [ 78.021706][ T5015] prepare_alloc_pages+0x160/0x460 [ 78.022499][ T5015] __alloc_pages+0x108/0x470 [ 78.023275][ T5015] alloc_pages+0x34c/0x5c0 [ 78.023924][ T5015] new_slab+0xe0/0x55c [ 78.024533][ T5015] ___slab_alloc+0x6c0/0xda8 [ 78.025204][ T5015] __slab_alloc+0x68/0xc0 [ 78.025931][ T5015] kmem_cache_alloc+0x2ac/0x3e4 [ 78.026684][ T5015] btrfs_add_delayed_data_ref+0x164/0xd0c [ 78.027531][ T5015] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 78.028430][ T5015] btrfs_insert_replace_extent+0x7e4/0x970 [ 78.029436][ T5015] btrfs_replace_file_extents+0xa68/0x1290 [ 78.030450][ T5015] __btrfs_prealloc_file_range+0x390/0xb88 [ 78.031455][ T5015] btrfs_prealloc_file_range+0x60/0x7c [ 78.032375][ T5015] btrfs_fallocate+0x1330/0x1614 [ 78.033169][ T5015] vfs_fallocate+0x4a4/0x5f4 [ 78.033881][ T5015] __arm64_sys_fallocate+0xc0/0x110 [ 78.034657][ T5015] invoke_syscall+0x98/0x2b8 [ 78.035387][ T5015] el0_svc_common+0x138/0x258 [ 78.036230][ T5015] do_el0_svc+0x58/0x14c [ 78.036902][ T5015] el0_svc+0x78/0x1e0 [ 78.037519][ T5015] el0t_64_sync_handler+0xcc/0xe4 [ 78.038377][ T5015] el0t_64_sync+0x1a0/0x1a4 [ 78.179641][ T3625] Bluetooth: hci0: command 0x040f tx timeout [ 78.210368][ T5037] loop0: detected capacity change from 0 to 32768 [ 78.231206][ T5037] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.17 (5037) [ 78.236118][ T5037] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 78.237541][ T5037] BTRFS info (device loop0): using free space tree [ 78.238614][ T5037] BTRFS info (device loop0): has skinny extents [ 78.247550][ T5037] BTRFS info (device loop0): enabling ssd optimizations [ 78.252315][ T5037] FAULT_INJECTION: forcing a failure. [ 78.252315][ T5037] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 78.254463][ T5037] CPU: 0 PID: 5037 Comm: syz.0.17 Tainted: G W syzkaller #0 [ 78.255675][ T5037] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 78.257332][ T5037] Call trace: [ 78.257899][ T5037] dump_backtrace+0x0/0x43c [ 78.258606][ T5037] show_stack+0x2c/0x3c [ 78.259178][ T5037] __dump_stack+0x30/0x40 [ 78.259883][ T5037] dump_stack_lvl+0xf8/0x160 [ 78.260525][ T5037] dump_stack+0x1c/0x5c [ 78.261129][ T5037] should_fail+0x3c0/0x51c [ 78.261789][ T5037] should_fail_alloc_page+0x74/0xa8 [ 78.262665][ T5037] prepare_alloc_pages+0x160/0x460 [ 78.263453][ T5037] __alloc_pages+0x108/0x470 [ 78.264123][ T5037] alloc_pages+0x34c/0x5c0 [ 78.264751][ T5037] new_slab+0xe0/0x55c [ 78.265381][ T5037] ___slab_alloc+0x6c0/0xda8 [ 78.266123][ T5037] __slab_alloc+0x68/0xc0 [ 78.266759][ T5037] kmem_cache_alloc+0x2ac/0x3e4 [ 78.267530][ T5037] btrfs_add_delayed_data_ref+0x164/0xd0c [ 78.268469][ T5037] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 78.269480][ T5037] btrfs_insert_replace_extent+0x7e4/0x970 [ 78.270376][ T5037] btrfs_replace_file_extents+0xa68/0x1290 [ 78.271362][ T5037] __btrfs_prealloc_file_range+0x390/0xb88 [ 78.272293][ T5037] btrfs_prealloc_file_range+0x60/0x7c [ 78.273195][ T5037] btrfs_fallocate+0x1330/0x1614 [ 78.274019][ T5037] vfs_fallocate+0x4a4/0x5f4 [ 78.274751][ T5037] __arm64_sys_fallocate+0xc0/0x110 [ 78.275571][ T5037] invoke_syscall+0x98/0x2b8 [ 78.276355][ T5037] el0_svc_common+0x138/0x258 [ 78.277100][ T5037] do_el0_svc+0x58/0x14c [ 78.277776][ T5037] el0_svc+0x78/0x1e0 [ 78.278412][ T5037] el0t_64_sync_handler+0xcc/0xe4 [ 78.279198][ T5037] el0t_64_sync+0x1a0/0x1a4 [ 78.323479][ T4976] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 10 /dev/loop0 scanned by udevd (4976) [ 78.433697][ T5059] loop0: detected capacity change from 0 to 32768 [ 78.492773][ T5059] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 78.494339][ T5059] BTRFS info (device loop0): using free space tree [ 78.495346][ T5059] BTRFS info (device loop0): has skinny extents [ 78.507746][ T5059] BTRFS info (device loop0): enabling ssd optimizations [ 78.511510][ T5059] FAULT_INJECTION: forcing a failure. [ 78.511510][ T5059] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 78.513616][ T5059] CPU: 0 PID: 5059 Comm: syz.0.18 Tainted: G W syzkaller #0 [ 78.514977][ T5059] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 78.516461][ T5059] Call trace: [ 78.516974][ T5059] dump_backtrace+0x0/0x43c [ 78.517706][ T5059] show_stack+0x2c/0x3c [ 78.518251][ T5059] __dump_stack+0x30/0x40 [ 78.518869][ T5059] dump_stack_lvl+0xf8/0x160 [ 78.519564][ T5059] dump_stack+0x1c/0x5c [ 78.520229][ T5059] should_fail+0x3c0/0x51c [ 78.520895][ T5059] should_fail_alloc_page+0x74/0xa8 [ 78.521695][ T5059] prepare_alloc_pages+0x160/0x460 [ 78.522482][ T5059] __alloc_pages+0x108/0x470 [ 78.523223][ T5059] alloc_pages+0x34c/0x5c0 [ 78.523878][ T5059] new_slab+0xe0/0x55c [ 78.524537][ T5059] ___slab_alloc+0x6c0/0xda8 [ 78.525258][ T5059] __slab_alloc+0x68/0xc0 [ 78.525968][ T5059] kmem_cache_alloc+0x2ac/0x3e4 [ 78.526680][ T5059] alloc_extent_map+0x28/0x128 [ 78.527413][ T5059] btrfs_drop_extent_cache+0x160/0xdec [ 78.528223][ T5059] btrfs_drop_extents+0x2c8/0x21a4 [ 78.528967][ T5059] btrfs_replace_file_extents+0x328/0x1290 [ 78.529932][ T5059] __btrfs_prealloc_file_range+0x390/0xb88 [ 78.530836][ T5059] btrfs_prealloc_file_range+0x60/0x7c [ 78.531673][ T5059] btrfs_fallocate+0x1330/0x1614 [ 78.532538][ T5059] vfs_fallocate+0x4a4/0x5f4 [ 78.533333][ T5059] __arm64_sys_fallocate+0xc0/0x110 [ 78.534162][ T5059] invoke_syscall+0x98/0x2b8 [ 78.534971][ T5059] el0_svc_common+0x138/0x258 [ 78.535695][ T5059] do_el0_svc+0x58/0x14c [ 78.536371][ T5059] el0_svc+0x78/0x1e0 [ 78.537031][ T5059] el0t_64_sync_handler+0xcc/0xe4 [ 78.537895][ T5059] el0t_64_sync+0x1a0/0x1a4 [ 78.688041][ T5081] loop0: detected capacity change from 0 to 32768 [ 78.731618][ T5081] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.19 (5081) [ 78.780761][ T5081] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 78.782180][ T5081] BTRFS info (device loop0): using free space tree [ 78.783124][ T5081] BTRFS info (device loop0): has skinny extents [ 78.792314][ T5081] BTRFS info (device loop0): enabling ssd optimizations [ 78.795860][ T5081] FAULT_INJECTION: forcing a failure. [ 78.795860][ T5081] name failslab, interval 1, probability 0, space 0, times 0 [ 78.797956][ T5081] CPU: 0 PID: 5081 Comm: syz.0.19 Tainted: G W syzkaller #0 [ 78.799281][ T5081] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 78.800891][ T5081] Call trace: [ 78.801412][ T5081] dump_backtrace+0x0/0x43c [ 78.802120][ T5081] show_stack+0x2c/0x3c [ 78.802763][ T5081] __dump_stack+0x30/0x40 [ 78.803453][ T5081] dump_stack_lvl+0xf8/0x160 [ 78.804146][ T5081] dump_stack+0x1c/0x5c [ 78.804787][ T5081] should_fail+0x3c0/0x51c [ 78.805455][ T5081] __should_failslab+0xbc/0x10c [ 78.806232][ T5081] should_failslab+0x10/0x28 [ 78.806912][ T5081] slab_pre_alloc_hook+0x64/0xec [ 78.807703][ T5081] kmem_cache_alloc+0x94/0x3e4 [ 78.808419][ T5081] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 78.809375][ T5081] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 78.810364][ T5081] btrfs_insert_replace_extent+0x7e4/0x970 [ 78.811208][ T5081] btrfs_replace_file_extents+0xa68/0x1290 [ 78.812169][ T5081] __btrfs_prealloc_file_range+0x390/0xb88 [ 78.813057][ T5081] btrfs_prealloc_file_range+0x60/0x7c [ 78.813886][ T5081] btrfs_fallocate+0x1330/0x1614 [ 78.814652][ T5081] vfs_fallocate+0x4a4/0x5f4 [ 78.815338][ T5081] __arm64_sys_fallocate+0xc0/0x110 [ 78.816123][ T5081] invoke_syscall+0x98/0x2b8 [ 78.816913][ T5081] el0_svc_common+0x138/0x258 [ 78.817613][ T5081] do_el0_svc+0x58/0x14c [ 78.818281][ T5081] el0_svc+0x78/0x1e0 [ 78.818862][ T5081] el0t_64_sync_handler+0xcc/0xe4 [ 78.819593][ T5081] el0t_64_sync+0x1a0/0x1a4 [ 78.822709][ T5081] ------------[ cut here ]------------ [ 78.823668][ T5081] WARNING: CPU: 0 PID: 5081 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 78.825210][ T5081] Modules linked in: [ 78.825896][ T5081] CPU: 0 PID: 5081 Comm: syz.0.19 Tainted: G W syzkaller #0 [ 78.827252][ T5081] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 78.828860][ T5081] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 78.830048][ T5081] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 78.831046][ T5081] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 78.832056][ T5081] sp : ffff80001fb57640 [ 78.832714][ T5081] x29: ffff80001fb57760 x28: 000000000000cfff x27: 0000000000000000 [ 78.834084][ T5081] x26: dfff800000000000 x25: ffff0000cad02000 x24: ffff0000e3285850 [ 78.835329][ T5081] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000deea2898 [ 78.836665][ T5081] x20: ffff0000deea2840 x19: 1fffe0001bdd4513 x18: 0000000000000001 [ 78.837934][ T5081] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 78.839236][ T5081] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 78.840521][ T5081] x11: 0000000000000000 x10: 0000000000000000 x9 : ec83bac559658700 [ 78.841758][ T5081] x8 : ec83bac559658700 x7 : 0000000000000001 x6 : 0000000000000001 [ 78.843075][ T5081] x5 : ffff80001fb56f38 x4 : ffff80001425f420 x3 : ffff800008504400 [ 78.844274][ T5081] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 78.845486][ T5081] Call trace: [ 78.846037][ T5081] btrfs_replace_file_extents+0xcc4/0x1290 [ 78.846962][ T5081] __btrfs_prealloc_file_range+0x390/0xb88 [ 78.847842][ T5081] btrfs_prealloc_file_range+0x60/0x7c [ 78.848716][ T5081] btrfs_fallocate+0x1330/0x1614 [ 78.849473][ T5081] vfs_fallocate+0x4a4/0x5f4 [ 78.850160][ T5081] __arm64_sys_fallocate+0xc0/0x110 [ 78.850952][ T5081] invoke_syscall+0x98/0x2b8 [ 78.851683][ T5081] el0_svc_common+0x138/0x258 [ 78.852476][ T5081] do_el0_svc+0x58/0x14c [ 78.853129][ T5081] el0_svc+0x78/0x1e0 [ 78.853698][ T5081] el0t_64_sync_handler+0xcc/0xe4 [ 78.854437][ T5081] el0t_64_sync+0x1a0/0x1a4 [ 78.855175][ T5081] irq event stamp: 79808 [ 78.855851][ T5081] hardirqs last enabled at (79807): [] __up_console_sem+0xb4/0x100 [ 78.857369][ T5081] hardirqs last disabled at (79808): [] el1_dbg+0x24/0x80 [ 78.858713][ T5081] softirqs last enabled at (79782): [] handle_softirqs+0xa4c/0xbf0 [ 78.860213][ T5081] softirqs last disabled at (79741): [] __irq_exit_rcu+0x240/0x440 [ 78.861635][ T5081] ---[ end trace b3a60e1bb2d4d0f1 ]--- [ 78.863778][ T5081] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 78.865295][ T5081] BTRFS info (device loop0): forced readonly [ 79.018784][ T5103] loop0: detected capacity change from 0 to 32768 [ 79.063479][ T5103] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.20 (5103) [ 79.067851][ T5103] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 79.069355][ T5103] BTRFS info (device loop0): using free space tree [ 79.070338][ T5103] BTRFS info (device loop0): has skinny extents [ 79.078232][ T5103] BTRFS info (device loop0): enabling ssd optimizations [ 79.083786][ T5103] FAULT_INJECTION: forcing a failure. [ 79.083786][ T5103] name failslab, interval 1, probability 0, space 0, times 0 [ 79.085791][ T5103] CPU: 0 PID: 5103 Comm: syz.0.20 Tainted: G W syzkaller #0 [ 79.086986][ T5103] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 79.088477][ T5103] Call trace: [ 79.088910][ T5103] dump_backtrace+0x0/0x43c [ 79.089570][ T5103] show_stack+0x2c/0x3c [ 79.090216][ T5103] __dump_stack+0x30/0x40 [ 79.090872][ T5103] dump_stack_lvl+0xf8/0x160 [ 79.091539][ T5103] dump_stack+0x1c/0x5c [ 79.092149][ T5103] should_fail+0x3c0/0x51c [ 79.092838][ T5103] __should_failslab+0xbc/0x10c [ 79.093611][ T5103] should_failslab+0x10/0x28 [ 79.094371][ T5103] slab_pre_alloc_hook+0x64/0xec [ 79.095182][ T5103] kmem_cache_alloc+0x94/0x3e4 [ 79.095954][ T5103] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 79.096867][ T5103] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 79.097850][ T5103] btrfs_insert_replace_extent+0x7e4/0x970 [ 79.098806][ T5103] btrfs_replace_file_extents+0xa68/0x1290 [ 79.099743][ T5103] __btrfs_prealloc_file_range+0x390/0xb88 [ 79.100709][ T5103] btrfs_prealloc_file_range+0x60/0x7c [ 79.101601][ T5103] btrfs_fallocate+0x1330/0x1614 [ 79.102403][ T5103] vfs_fallocate+0x4a4/0x5f4 [ 79.103170][ T5103] __arm64_sys_fallocate+0xc0/0x110 [ 79.103907][ T5103] invoke_syscall+0x98/0x2b8 [ 79.104608][ T5103] el0_svc_common+0x138/0x258 [ 79.105297][ T5103] do_el0_svc+0x58/0x14c [ 79.105978][ T5103] el0_svc+0x78/0x1e0 [ 79.106629][ T5103] el0t_64_sync_handler+0xcc/0xe4 [ 79.107389][ T5103] el0t_64_sync+0x1a0/0x1a4 [ 79.109734][ T5103] ------------[ cut here ]------------ [ 79.110699][ T5103] WARNING: CPU: 0 PID: 5103 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 79.112246][ T5103] Modules linked in: [ 79.112810][ T5103] CPU: 0 PID: 5103 Comm: syz.0.20 Tainted: G W syzkaller #0 [ 79.114048][ T5103] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 79.115575][ T5103] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.116713][ T5103] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 79.117562][ T5103] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 79.118421][ T5103] sp : ffff80001fa47640 [ 79.119051][ T5103] x29: ffff80001fa47760 x28: 000000000000cfff x27: 0000000000000000 [ 79.120445][ T5103] x26: dfff800000000000 x25: ffff0000ef37e000 x24: ffff0000e32875c0 [ 79.121830][ T5103] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000deea29f8 [ 79.123137][ T5103] x20: ffff0000deea29a0 x19: 1fffe0001bdd453f x18: 0000000000000001 [ 79.124428][ T5103] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 79.125671][ T5103] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 79.126993][ T5103] x11: 0000000000000000 x10: 0000000000000000 x9 : 3b24c273ef312000 [ 79.128265][ T5103] x8 : 3b24c273ef312000 x7 : 0000000000000001 x6 : 0000000000000001 [ 79.129485][ T5103] x5 : ffff80001fa46f38 x4 : ffff80001425f420 x3 : ffff800008504400 [ 79.130676][ T5103] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 79.131869][ T5103] Call trace: [ 79.132350][ T5103] btrfs_replace_file_extents+0xcc4/0x1290 [ 79.133194][ T5103] __btrfs_prealloc_file_range+0x390/0xb88 [ 79.134026][ T5103] btrfs_prealloc_file_range+0x60/0x7c [ 79.134907][ T5103] btrfs_fallocate+0x1330/0x1614 [ 79.135711][ T5103] vfs_fallocate+0x4a4/0x5f4 [ 79.136421][ T5103] __arm64_sys_fallocate+0xc0/0x110 [ 79.137255][ T5103] invoke_syscall+0x98/0x2b8 [ 79.137947][ T5103] el0_svc_common+0x138/0x258 [ 79.138666][ T5103] do_el0_svc+0x58/0x14c [ 79.139344][ T5103] el0_svc+0x78/0x1e0 [ 79.139989][ T5103] el0t_64_sync_handler+0xcc/0xe4 [ 79.140749][ T5103] el0t_64_sync+0x1a0/0x1a4 [ 79.141420][ T5103] irq event stamp: 80602 [ 79.142080][ T5103] hardirqs last enabled at (80601): [] __up_console_sem+0xb4/0x100 [ 79.143438][ T5103] hardirqs last disabled at (80602): [] el1_dbg+0x24/0x80 [ 79.144670][ T5103] softirqs last enabled at (80578): [] handle_softirqs+0xa4c/0xbf0 [ 79.146024][ T5103] softirqs last disabled at (80469): [] __irq_exit_rcu+0x240/0x440 [ 79.147446][ T5103] ---[ end trace b3a60e1bb2d4d0f2 ]--- [ 79.149791][ T5103] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 79.151240][ T5103] BTRFS info (device loop0): forced readonly [ 79.297303][ T5125] loop0: detected capacity change from 0 to 32768 [ 79.341105][ T5125] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.21 (5125) [ 79.403544][ T5125] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 79.404984][ T5125] BTRFS info (device loop0): using free space tree [ 79.406142][ T5125] BTRFS info (device loop0): has skinny extents [ 79.414238][ T5125] BTRFS info (device loop0): enabling ssd optimizations [ 79.418373][ T5125] FAULT_INJECTION: forcing a failure. [ 79.418373][ T5125] name failslab, interval 1, probability 0, space 0, times 0 [ 79.423903][ T5125] CPU: 1 PID: 5125 Comm: syz.0.21 Tainted: G W syzkaller #0 [ 79.425314][ T5125] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 79.426895][ T5125] Call trace: [ 79.427405][ T5125] dump_backtrace+0x0/0x43c [ 79.428094][ T5125] show_stack+0x2c/0x3c [ 79.428720][ T5125] __dump_stack+0x30/0x40 [ 79.429364][ T5125] dump_stack_lvl+0xf8/0x160 [ 79.430098][ T5125] dump_stack+0x1c/0x5c [ 79.430757][ T5125] should_fail+0x3c0/0x51c [ 79.431480][ T5125] __should_failslab+0xbc/0x10c [ 79.432240][ T5125] should_failslab+0x10/0x28 [ 79.432951][ T5125] slab_pre_alloc_hook+0x64/0xec [ 79.433689][ T5125] kmem_cache_alloc+0x94/0x3e4 [ 79.434418][ T5125] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 79.435275][ T5125] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 79.436198][ T5125] btrfs_insert_replace_extent+0x7e4/0x970 [ 79.437035][ T5125] btrfs_replace_file_extents+0xa68/0x1290 [ 79.437870][ T5125] __btrfs_prealloc_file_range+0x390/0xb88 [ 79.438699][ T5125] btrfs_prealloc_file_range+0x60/0x7c [ 79.439581][ T5125] btrfs_fallocate+0x1330/0x1614 [ 79.440330][ T5125] vfs_fallocate+0x4a4/0x5f4 [ 79.441061][ T5125] __arm64_sys_fallocate+0xc0/0x110 [ 79.441849][ T5125] invoke_syscall+0x98/0x2b8 [ 79.442572][ T5125] el0_svc_common+0x138/0x258 [ 79.443212][ T5125] do_el0_svc+0x58/0x14c [ 79.443838][ T5125] el0_svc+0x78/0x1e0 [ 79.444463][ T5125] el0t_64_sync_handler+0xcc/0xe4 [ 79.445240][ T5125] el0t_64_sync+0x1a0/0x1a4 [ 79.448091][ T5125] ------------[ cut here ]------------ [ 79.449081][ T5125] WARNING: CPU: 1 PID: 5125 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 79.450755][ T5125] Modules linked in: [ 79.451414][ T5125] CPU: 1 PID: 5125 Comm: syz.0.21 Tainted: G W syzkaller #0 [ 79.452781][ T5125] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 79.454396][ T5125] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.455724][ T5125] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 79.456663][ T5125] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 79.457550][ T5125] sp : ffff80001fa47640 [ 79.458192][ T5125] x29: ffff80001fa47760 x28: 000000000000cfff x27: 0000000000000000 [ 79.459445][ T5125] x26: dfff800000000000 x25: ffff0000c91d8000 x24: ffff0000ed0fbae0 [ 79.460766][ T5125] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000defea318 [ 79.462041][ T5125] x20: ffff0000defea2c0 x19: 1fffe0001bdfd463 x18: 0000000000000001 [ 79.463367][ T5125] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 79.464577][ T5125] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 79.465756][ T5125] x11: 0000000000000000 x10: 0000000000000000 x9 : b9686f908147f300 [ 79.467073][ T5125] x8 : b9686f908147f300 x7 : 0000000000000001 x6 : 0000000000000001 [ 79.468293][ T5125] x5 : ffff80001fa46f38 x4 : ffff80001425f420 x3 : ffff800008504400 [ 79.469570][ T5125] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 79.470911][ T5125] Call trace: [ 79.471479][ T5125] btrfs_replace_file_extents+0xcc4/0x1290 [ 79.472424][ T5125] __btrfs_prealloc_file_range+0x390/0xb88 [ 79.473388][ T5125] btrfs_prealloc_file_range+0x60/0x7c [ 79.474267][ T5125] btrfs_fallocate+0x1330/0x1614 [ 79.475104][ T5125] vfs_fallocate+0x4a4/0x5f4 [ 79.475838][ T5125] __arm64_sys_fallocate+0xc0/0x110 [ 79.476660][ T5125] invoke_syscall+0x98/0x2b8 [ 79.477382][ T5125] el0_svc_common+0x138/0x258 [ 79.478074][ T5125] do_el0_svc+0x58/0x14c [ 79.478719][ T5125] el0_svc+0x78/0x1e0 [ 79.479345][ T5125] el0t_64_sync_handler+0xcc/0xe4 [ 79.480127][ T5125] el0t_64_sync+0x1a0/0x1a4 [ 79.480821][ T5125] irq event stamp: 80064 [ 79.481508][ T5125] hardirqs last enabled at (80063): [] __up_console_sem+0xb4/0x100 [ 79.482866][ T5125] hardirqs last disabled at (80064): [] el1_dbg+0x24/0x80 [ 79.484063][ T5125] softirqs last enabled at (80040): [] handle_softirqs+0xa4c/0xbf0 [ 79.485389][ T5125] softirqs last disabled at (79933): [] __irq_exit_rcu+0x240/0x440 [ 79.486724][ T5125] ---[ end trace b3a60e1bb2d4d0f3 ]--- [ 79.491375][ T5125] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 79.492972][ T5125] BTRFS info (device loop0): forced readonly [ 79.508324][ T1607] device hsr_slave_0 left promiscuous mode [ 79.560822][ T1607] device hsr_slave_1 left promiscuous mode [ 79.639246][ T1607] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 79.640452][ T1607] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 79.642007][ T1607] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 79.643211][ T1607] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 79.644656][ T1607] device bridge_slave_1 left promiscuous mode [ 79.645949][ T1607] bridge0: port 2(bridge_slave_1) entered disabled state [ 79.647539][ T5148] loop0: detected capacity change from 0 to 32768 [ 79.671498][ T5148] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.22 (5148) [ 79.675152][ T1607] device bridge_slave_0 left promiscuous mode [ 79.676156][ T1607] bridge0: port 1(bridge_slave_0) entered disabled state [ 79.681222][ T5148] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 79.682694][ T5148] BTRFS info (device loop0): using free space tree [ 79.683686][ T5148] BTRFS info (device loop0): has skinny extents [ 79.691755][ T5148] BTRFS info (device loop0): enabling ssd optimizations [ 79.696360][ T5148] FAULT_INJECTION: forcing a failure. [ 79.696360][ T5148] name failslab, interval 1, probability 0, space 0, times 0 [ 79.698479][ T5148] CPU: 1 PID: 5148 Comm: syz.0.22 Tainted: G W syzkaller #0 [ 79.699827][ T5148] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 79.701456][ T5148] Call trace: [ 79.701970][ T5148] dump_backtrace+0x0/0x43c [ 79.702742][ T5148] show_stack+0x2c/0x3c [ 79.703460][ T5148] __dump_stack+0x30/0x40 [ 79.704136][ T5148] dump_stack_lvl+0xf8/0x160 [ 79.704858][ T5148] dump_stack+0x1c/0x5c [ 79.705532][ T5148] should_fail+0x3c0/0x51c [ 79.706212][ T5148] __should_failslab+0xbc/0x10c [ 79.706954][ T5148] should_failslab+0x10/0x28 [ 79.707738][ T5148] slab_pre_alloc_hook+0x64/0xec [ 79.708563][ T5148] kmem_cache_alloc+0x94/0x3e4 [ 79.709338][ T5148] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 79.710230][ T5148] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 79.711254][ T5148] btrfs_insert_replace_extent+0x7e4/0x970 [ 79.712108][ T5148] btrfs_replace_file_extents+0xa68/0x1290 [ 79.712948][ T5148] __btrfs_prealloc_file_range+0x390/0xb88 [ 79.713762][ T5148] btrfs_prealloc_file_range+0x60/0x7c [ 79.714556][ T5148] btrfs_fallocate+0x1330/0x1614 [ 79.715302][ T5148] vfs_fallocate+0x4a4/0x5f4 [ 79.716064][ T5148] __arm64_sys_fallocate+0xc0/0x110 [ 79.716916][ T5148] invoke_syscall+0x98/0x2b8 [ 79.717595][ T5148] el0_svc_common+0x138/0x258 [ 79.718303][ T5148] do_el0_svc+0x58/0x14c [ 79.718993][ T5148] el0_svc+0x78/0x1e0 [ 79.719615][ T5148] el0t_64_sync_handler+0xcc/0xe4 [ 79.720392][ T5148] el0t_64_sync+0x1a0/0x1a4 [ 79.725401][ T5148] ------------[ cut here ]------------ [ 79.726386][ T5148] WARNING: CPU: 1 PID: 5148 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 79.727888][ T5148] Modules linked in: [ 79.728451][ T5148] CPU: 1 PID: 5148 Comm: syz.0.22 Tainted: G W syzkaller #0 [ 79.729749][ T5148] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 79.731288][ T5148] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.732582][ T5148] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 79.733604][ T5148] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 79.734574][ T5148] sp : ffff80001fa47640 [ 79.735160][ T5148] x29: ffff80001fa47760 x28: 000000000000cfff x27: 0000000000000000 [ 79.736417][ T5148] x26: dfff800000000000 x25: ffff0000d95f4000 x24: ffff0000ed0fd850 [ 79.737702][ T5148] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000defea478 [ 79.739069][ T5148] x20: ffff0000defea420 x19: 1fffe0001bdfd48f x18: 0000000000000001 [ 79.740303][ T5148] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 79.741483][ T5148] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 79.742759][ T5148] x11: 0000000000000000 x10: 0000000000000000 x9 : 5e5e2c0c8e2dd900 [ 79.743974][ T5148] x8 : 5e5e2c0c8e2dd900 x7 : 0000000000000001 x6 : 0000000000000001 [ 79.745315][ T5148] x5 : ffff80001fa46f38 x4 : ffff80001425f420 x3 : ffff800008504400 [ 79.746676][ T5148] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 79.747859][ T5148] Call trace: [ 79.748377][ T5148] btrfs_replace_file_extents+0xcc4/0x1290 [ 79.749315][ T5148] __btrfs_prealloc_file_range+0x390/0xb88 [ 79.750220][ T5148] btrfs_prealloc_file_range+0x60/0x7c [ 79.751092][ T5148] btrfs_fallocate+0x1330/0x1614 [ 79.751819][ T5148] vfs_fallocate+0x4a4/0x5f4 [ 79.752540][ T5148] __arm64_sys_fallocate+0xc0/0x110 [ 79.753431][ T5148] invoke_syscall+0x98/0x2b8 [ 79.754205][ T5148] el0_svc_common+0x138/0x258 [ 79.754979][ T5148] do_el0_svc+0x58/0x14c [ 79.755663][ T5148] el0_svc+0x78/0x1e0 [ 79.756279][ T5148] el0t_64_sync_handler+0xcc/0xe4 [ 79.757080][ T5148] el0t_64_sync+0x1a0/0x1a4 [ 79.757776][ T5148] irq event stamp: 80600 [ 79.758382][ T5148] hardirqs last enabled at (80599): [] __up_console_sem+0xb4/0x100 [ 79.759717][ T5148] hardirqs last disabled at (80600): [] el1_dbg+0x24/0x80 [ 79.761005][ T5148] softirqs last enabled at (80576): [] handle_softirqs+0xa4c/0xbf0 [ 79.762346][ T5148] softirqs last disabled at (80557): [] __irq_exit_rcu+0x240/0x440 [ 79.763810][ T5148] ---[ end trace b3a60e1bb2d4d0f4 ]--- [ 79.766778][ T5148] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 79.768331][ T5148] BTRFS info (device loop0): forced readonly [ 79.830532][ T1607] device veth1_macvtap left promiscuous mode [ 79.831563][ T1607] device veth0_macvtap left promiscuous mode [ 79.832547][ T1607] device veth1_vlan left promiscuous mode [ 79.833435][ T1607] device veth0_vlan left promiscuous mode [ 79.965894][ T5170] loop0: detected capacity change from 0 to 32768 [ 79.983938][ T1607] team0 (unregistering): Port device team_slave_1 removed [ 79.988625][ T1607] team0 (unregistering): Port device team_slave_0 removed [ 79.993142][ T1607] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 80.005192][ T5170] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.23 (5170) [ 80.009376][ T5170] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 80.010857][ T5170] BTRFS info (device loop0): using free space tree [ 80.011940][ T5170] BTRFS info (device loop0): has skinny extents [ 80.023300][ T5170] BTRFS info (device loop0): enabling ssd optimizations [ 80.026964][ T5170] FAULT_INJECTION: forcing a failure. [ 80.026964][ T5170] name failslab, interval 1, probability 0, space 0, times 0 [ 80.028893][ T5170] CPU: 0 PID: 5170 Comm: syz.0.23 Tainted: G W syzkaller #0 [ 80.030213][ T5170] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 80.031581][ T5170] Call trace: [ 80.032040][ T5170] dump_backtrace+0x0/0x43c [ 80.032739][ T5170] show_stack+0x2c/0x3c [ 80.033353][ T5170] __dump_stack+0x30/0x40 [ 80.033980][ T5170] dump_stack_lvl+0xf8/0x160 [ 80.034679][ T5170] dump_stack+0x1c/0x5c [ 80.035385][ T5170] should_fail+0x3c0/0x51c [ 80.036034][ T5170] __should_failslab+0xbc/0x10c [ 80.036736][ T5170] should_failslab+0x10/0x28 [ 80.037405][ T5170] slab_pre_alloc_hook+0x64/0xec [ 80.038098][ T5170] kmem_cache_alloc+0x94/0x3e4 [ 80.038766][ T5170] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 80.039657][ T5170] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 80.040702][ T5170] btrfs_insert_replace_extent+0x7e4/0x970 [ 80.041628][ T5170] btrfs_replace_file_extents+0xa68/0x1290 [ 80.042529][ T5170] __btrfs_prealloc_file_range+0x390/0xb88 [ 80.043455][ T5170] btrfs_prealloc_file_range+0x60/0x7c [ 80.044301][ T5170] btrfs_fallocate+0x1330/0x1614 [ 80.045092][ T5170] vfs_fallocate+0x4a4/0x5f4 [ 80.045836][ T5170] __arm64_sys_fallocate+0xc0/0x110 [ 80.046634][ T5170] invoke_syscall+0x98/0x2b8 [ 80.047357][ T5170] el0_svc_common+0x138/0x258 [ 80.048124][ T5170] do_el0_svc+0x58/0x14c [ 80.048802][ T5170] el0_svc+0x78/0x1e0 [ 80.049472][ T5170] el0t_64_sync_handler+0xcc/0xe4 [ 80.050315][ T5170] el0t_64_sync+0x1a0/0x1a4 [ 80.051843][ T5170] ------------[ cut here ]------------ [ 80.052809][ T1607] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 80.054269][ T5170] WARNING: CPU: 0 PID: 5170 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 80.055724][ T5170] Modules linked in: [ 80.056319][ T5170] CPU: 0 PID: 5170 Comm: syz.0.23 Tainted: G W syzkaller #0 [ 80.057641][ T5170] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 80.058989][ T5170] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 80.060153][ T5170] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 80.061082][ T5170] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 80.061880][ T5170] sp : ffff8000202a7640 [ 80.062519][ T5170] x29: ffff8000202a7760 x28: 000000000000cfff x27: 0000000000000000 [ 80.063790][ T5170] x26: dfff800000000000 x25: ffff0000ce09a000 x24: ffff0000e32893a0 [ 80.064969][ T5170] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000deea2b58 [ 80.066173][ T5170] x20: ffff0000deea2b00 x19: 1fffe0001bdd456b x18: 0000000000000001 [ 80.067318][ T5170] x17: 0000000000000000 x16: ffff800008302168 x15: 00000000ffffffff [ 80.068456][ T5170] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 80.069585][ T5170] x11: 0000000000000000 x10: 0000000000000000 x9 : 197393f36b688600 [ 80.070746][ T5170] x8 : 197393f36b688600 x7 : 0000000000000001 x6 : 0000000000000001 [ 80.072037][ T5170] x5 : ffff8000202a6f38 x4 : ffff80001425f420 x3 : ffff800008302278 [ 80.073298][ T5170] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 80.074605][ T5170] Call trace: [ 80.075160][ T5170] btrfs_replace_file_extents+0xcc4/0x1290 [ 80.076043][ T5170] __btrfs_prealloc_file_range+0x390/0xb88 [ 80.076858][ T5170] btrfs_prealloc_file_range+0x60/0x7c [ 80.077724][ T5170] btrfs_fallocate+0x1330/0x1614 [ 80.078479][ T5170] vfs_fallocate+0x4a4/0x5f4 [ 80.079203][ T5170] __arm64_sys_fallocate+0xc0/0x110 [ 80.079930][ T5170] invoke_syscall+0x98/0x2b8 [ 80.080661][ T5170] el0_svc_common+0x138/0x258 [ 80.081429][ T5170] do_el0_svc+0x58/0x14c [ 80.082011][ T5170] el0_svc+0x78/0x1e0 [ 80.082601][ T5170] el0t_64_sync_handler+0xcc/0xe4 [ 80.083337][ T5170] el0t_64_sync+0x1a0/0x1a4 [ 80.083967][ T5170] irq event stamp: 80056 [ 80.084572][ T5170] hardirqs last enabled at (80055): [] __up_console_sem+0xb4/0x100 [ 80.085915][ T5170] hardirqs last disabled at (80056): [] el1_dbg+0x24/0x80 [ 80.087140][ T5170] softirqs last enabled at (80026): [] handle_softirqs+0xa4c/0xbf0 [ 80.088568][ T5170] softirqs last disabled at (79919): [] __irq_exit_rcu+0x240/0x440 [ 80.089923][ T5170] ---[ end trace b3a60e1bb2d4d0f5 ]--- [ 80.091322][ T5170] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 80.092922][ T5170] BTRFS info (device loop0): forced readonly [ 80.236086][ T1607] bond0 (unregistering): Released all slaves [ 80.241780][ T5193] loop0: detected capacity change from 0 to 32768 [ 80.259234][ T1541] Bluetooth: hci0: command 0x0419 tx timeout [ 80.311035][ T5193] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.24 (5193) [ 80.353606][ T5193] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 80.355006][ T5193] BTRFS info (device loop0): using free space tree [ 80.356078][ T5193] BTRFS info (device loop0): has skinny extents [ 80.367763][ T5193] BTRFS info (device loop0): enabling ssd optimizations [ 80.372718][ T5193] FAULT_INJECTION: forcing a failure. [ 80.372718][ T5193] name failslab, interval 1, probability 0, space 0, times 0 [ 80.374771][ T5193] CPU: 0 PID: 5193 Comm: syz.0.24 Tainted: G W syzkaller #0 [ 80.376161][ T5193] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 80.377786][ T5193] Call trace: [ 80.378328][ T5193] dump_backtrace+0x0/0x43c [ 80.379026][ T5193] show_stack+0x2c/0x3c [ 80.379737][ T5193] __dump_stack+0x30/0x40 [ 80.380435][ T5193] dump_stack_lvl+0xf8/0x160 [ 80.381196][ T5193] dump_stack+0x1c/0x5c [ 80.381811][ T5193] should_fail+0x3c0/0x51c [ 80.382489][ T5193] __should_failslab+0xbc/0x10c [ 80.383324][ T5193] should_failslab+0x10/0x28 [ 80.384151][ T5193] slab_pre_alloc_hook+0x64/0xec [ 80.385001][ T5193] kmem_cache_alloc+0x94/0x3e4 [ 80.385750][ T5193] btrfs_add_delayed_data_ref+0x164/0xd0c [ 80.386669][ T5193] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 80.387701][ T5193] btrfs_insert_replace_extent+0x7e4/0x970 [ 80.388668][ T5193] btrfs_replace_file_extents+0xa68/0x1290 [ 80.389614][ T5193] __btrfs_prealloc_file_range+0x390/0xb88 [ 80.390621][ T5193] btrfs_prealloc_file_range+0x60/0x7c [ 80.391476][ T5193] btrfs_fallocate+0x1330/0x1614 [ 80.392219][ T5193] vfs_fallocate+0x4a4/0x5f4 [ 80.392868][ T5193] __arm64_sys_fallocate+0xc0/0x110 [ 80.393683][ T5193] invoke_syscall+0x98/0x2b8 [ 80.394398][ T5193] el0_svc_common+0x138/0x258 [ 80.395116][ T5193] do_el0_svc+0x58/0x14c [ 80.395788][ T5193] el0_svc+0x78/0x1e0 [ 80.396360][ T5193] el0t_64_sync_handler+0xcc/0xe4 [ 80.397084][ T5193] el0t_64_sync+0x1a0/0x1a4 [ 80.399367][ T5193] ------------[ cut here ]------------ [ 80.400345][ T5193] WARNING: CPU: 0 PID: 5193 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 80.401925][ T5193] Modules linked in: [ 80.402481][ T5193] CPU: 0 PID: 5193 Comm: syz.0.24 Tainted: G W syzkaller #0 [ 80.403855][ T5193] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 80.405396][ T5193] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 80.406741][ T5193] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 80.407733][ T5193] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 80.408628][ T5193] sp : ffff8000202a7640 [ 80.409289][ T5193] x29: ffff8000202a7760 x28: 000000000000cfff x27: 0000000000000000 [ 80.410580][ T5193] x26: dfff800000000000 x25: ffff0000d7bea000 x24: ffff0000e328b110 [ 80.411862][ T5193] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000deea2cb8 [ 80.413214][ T5193] x20: ffff0000deea2c60 x19: 1fffe0001bdd4597 x18: 0000000000000001 [ 80.414530][ T5193] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 80.415861][ T5193] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 80.417102][ T5193] x11: 0000000000000000 x10: 0000000000000000 x9 : 88d6e33e5cbcc500 [ 80.418373][ T5193] x8 : 88d6e33e5cbcc500 x7 : 0000000000000001 x6 : 0000000000000001 [ 80.419745][ T5193] x5 : ffff8000202a6f38 x4 : ffff80001425f420 x3 : ffff800008504400 [ 80.421111][ T5193] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 80.422446][ T5193] Call trace: [ 80.422989][ T5193] btrfs_replace_file_extents+0xcc4/0x1290 [ 80.423898][ T5193] __btrfs_prealloc_file_range+0x390/0xb88 [ 80.424786][ T5193] btrfs_prealloc_file_range+0x60/0x7c [ 80.425661][ T5193] btrfs_fallocate+0x1330/0x1614 [ 80.426462][ T5193] vfs_fallocate+0x4a4/0x5f4 [ 80.427142][ T5193] __arm64_sys_fallocate+0xc0/0x110 [ 80.427955][ T5193] invoke_syscall+0x98/0x2b8 [ 80.428666][ T5193] el0_svc_common+0x138/0x258 [ 80.429356][ T5193] do_el0_svc+0x58/0x14c [ 80.429991][ T5193] el0_svc+0x78/0x1e0 [ 80.430597][ T5193] el0t_64_sync_handler+0xcc/0xe4 [ 80.431386][ T5193] el0t_64_sync+0x1a0/0x1a4 [ 80.432146][ T5193] irq event stamp: 80406 [ 80.432790][ T5193] hardirqs last enabled at (80405): [] __up_console_sem+0xb4/0x100 [ 80.434231][ T5193] hardirqs last disabled at (80406): [] el1_dbg+0x24/0x80 [ 80.435594][ T5193] softirqs last enabled at (80386): [] handle_softirqs+0xa4c/0xbf0 [ 80.437060][ T5193] softirqs last disabled at (80369): [] __irq_exit_rcu+0x240/0x440 [ 80.438477][ T5193] ---[ end trace b3a60e1bb2d4d0f6 ]--- [ 80.439990][ T5193] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 80.441664][ T5193] BTRFS info (device loop0): forced readonly [ 80.595552][ T5215] loop0: detected capacity change from 0 to 32768 [ 80.634053][ T5215] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.25 (5215) [ 80.638704][ T5215] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 80.640578][ T5215] BTRFS info (device loop0): using free space tree [ 80.641640][ T5215] BTRFS info (device loop0): has skinny extents [ 80.648986][ T5215] BTRFS info (device loop0): enabling ssd optimizations [ 80.653324][ T5215] FAULT_INJECTION: forcing a failure. [ 80.653324][ T5215] name failslab, interval 1, probability 0, space 0, times 0 [ 80.655232][ T5215] CPU: 1 PID: 5215 Comm: syz.0.25 Tainted: G W syzkaller #0 [ 80.656392][ T5215] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 80.657822][ T5215] Call trace: [ 80.658305][ T5215] dump_backtrace+0x0/0x43c [ 80.658892][ T5215] show_stack+0x2c/0x3c [ 80.659451][ T5215] __dump_stack+0x30/0x40 [ 80.660031][ T5215] dump_stack_lvl+0xf8/0x160 [ 80.660674][ T5215] dump_stack+0x1c/0x5c [ 80.661256][ T5215] should_fail+0x3c0/0x51c [ 80.661896][ T5215] __should_failslab+0xbc/0x10c [ 80.662655][ T5215] should_failslab+0x10/0x28 [ 80.663413][ T5215] slab_pre_alloc_hook+0x64/0xec [ 80.664137][ T5215] kmem_cache_alloc+0x94/0x3e4 [ 80.664866][ T5215] btrfs_add_delayed_data_ref+0x164/0xd0c [ 80.665647][ T5215] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 80.666558][ T5215] btrfs_insert_replace_extent+0x7e4/0x970 [ 80.667366][ T5215] btrfs_replace_file_extents+0xa68/0x1290 [ 80.668213][ T5215] __btrfs_prealloc_file_range+0x390/0xb88 [ 80.669060][ T5215] btrfs_prealloc_file_range+0x60/0x7c [ 80.669850][ T5215] btrfs_fallocate+0x1330/0x1614 [ 80.670529][ T5215] vfs_fallocate+0x4a4/0x5f4 [ 80.671236][ T5215] __arm64_sys_fallocate+0xc0/0x110 [ 80.671969][ T5215] invoke_syscall+0x98/0x2b8 [ 80.672613][ T5215] el0_svc_common+0x138/0x258 [ 80.673249][ T5215] do_el0_svc+0x58/0x14c [ 80.673831][ T5215] el0_svc+0x78/0x1e0 [ 80.674402][ T5215] el0t_64_sync_handler+0xcc/0xe4 [ 80.675123][ T5215] el0t_64_sync+0x1a0/0x1a4 [ 80.677843][ T5215] ------------[ cut here ]------------ [ 80.678838][ T5215] WARNING: CPU: 1 PID: 5215 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 80.680383][ T5215] Modules linked in: [ 80.681012][ T5215] CPU: 1 PID: 5215 Comm: syz.0.25 Tainted: G W syzkaller #0 [ 80.682419][ T5215] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 80.683976][ T5215] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 80.685243][ T5215] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 80.686199][ T5215] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 80.687152][ T5215] sp : ffff8000202a7640 [ 80.687813][ T5215] x29: ffff8000202a7760 x28: 000000000000cfff x27: 0000000000000000 [ 80.688985][ T5215] x26: dfff800000000000 x25: ffff0000e8e44000 x24: ffff0000ed0ff5c0 [ 80.690196][ T5215] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000defea5d8 [ 80.691335][ T5215] x20: ffff0000defea580 x19: 1fffe0001bdfd4bb x18: 0000000000000001 [ 80.692596][ T5215] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 80.693945][ T5215] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 80.695184][ T5215] x11: 0000000000000000 x10: 0000000000000000 x9 : 31447519bd63aa00 [ 80.696517][ T5215] x8 : 31447519bd63aa00 x7 : 0000000000000001 x6 : 0000000000000001 [ 80.697853][ T5215] x5 : ffff8000202a6f38 x4 : ffff80001425f420 x3 : ffff800008504400 [ 80.699138][ T5215] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 80.700368][ T5215] Call trace: [ 80.700853][ T5215] btrfs_replace_file_extents+0xcc4/0x1290 [ 80.701690][ T5215] __btrfs_prealloc_file_range+0x390/0xb88 [ 80.702555][ T5215] btrfs_prealloc_file_range+0x60/0x7c [ 80.703434][ T5215] btrfs_fallocate+0x1330/0x1614 [ 80.704214][ T5215] vfs_fallocate+0x4a4/0x5f4 [ 80.704974][ T5215] __arm64_sys_fallocate+0xc0/0x110 [ 80.705744][ T5215] invoke_syscall+0x98/0x2b8 [ 80.706381][ T5215] el0_svc_common+0x138/0x258 [ 80.707031][ T5215] do_el0_svc+0x58/0x14c [ 80.707602][ T5215] el0_svc+0x78/0x1e0 [ 80.708137][ T5215] el0t_64_sync_handler+0xcc/0xe4 [ 80.708844][ T5215] el0t_64_sync+0x1a0/0x1a4 [ 80.709456][ T5215] irq event stamp: 80138 [ 80.710053][ T5215] hardirqs last enabled at (80137): [] __up_console_sem+0xb4/0x100 [ 80.711299][ T5215] hardirqs last disabled at (80138): [] el1_dbg+0x24/0x80 [ 80.712710][ T5215] softirqs last enabled at (80118): [] handle_softirqs+0xa4c/0xbf0 [ 80.714228][ T5215] softirqs last disabled at (80079): [] __irq_exit_rcu+0x240/0x440 [ 80.715668][ T5215] ---[ end trace b3a60e1bb2d4d0f7 ]--- [ 80.719064][ T5215] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 80.720908][ T5215] BTRFS info (device loop0): forced readonly [ 80.863966][ T5237] loop0: detected capacity change from 0 to 32768 [ 80.910635][ T5237] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.26 (5237) [ 80.961587][ T5237] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 80.963025][ T5237] BTRFS info (device loop0): using free space tree [ 80.964006][ T5237] BTRFS info (device loop0): has skinny extents [ 80.979868][ T5237] BTRFS info (device loop0): enabling ssd optimizations [ 80.983635][ T5237] FAULT_INJECTION: forcing a failure. [ 80.983635][ T5237] name failslab, interval 1, probability 0, space 0, times 0 [ 80.985505][ T5237] CPU: 1 PID: 5237 Comm: syz.0.26 Tainted: G W syzkaller #0 [ 80.986721][ T5237] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 80.988134][ T5237] Call trace: [ 80.988568][ T5237] dump_backtrace+0x0/0x43c [ 80.989264][ T5237] show_stack+0x2c/0x3c [ 80.989836][ T5237] __dump_stack+0x30/0x40 [ 80.990421][ T5237] dump_stack_lvl+0xf8/0x160 [ 80.991125][ T5237] dump_stack+0x1c/0x5c [ 80.991781][ T5237] should_fail+0x3c0/0x51c [ 80.992473][ T5237] __should_failslab+0xbc/0x10c [ 80.993246][ T5237] should_failslab+0x10/0x28 [ 80.993911][ T5237] slab_pre_alloc_hook+0x64/0xec [ 80.994656][ T5237] kmem_cache_alloc+0x94/0x3e4 [ 80.995364][ T5237] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 80.996152][ T5237] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 80.997116][ T5237] btrfs_insert_replace_extent+0x7e4/0x970 [ 80.998102][ T5237] btrfs_replace_file_extents+0xa68/0x1290 [ 80.999012][ T5237] __btrfs_prealloc_file_range+0x390/0xb88 [ 80.999953][ T5237] btrfs_prealloc_file_range+0x60/0x7c [ 81.000800][ T5237] btrfs_fallocate+0x1330/0x1614 [ 81.001591][ T5237] vfs_fallocate+0x4a4/0x5f4 [ 81.002327][ T5237] __arm64_sys_fallocate+0xc0/0x110 [ 81.003112][ T5237] invoke_syscall+0x98/0x2b8 [ 81.003867][ T5237] el0_svc_common+0x138/0x258 [ 81.004585][ T5237] do_el0_svc+0x58/0x14c [ 81.005189][ T5237] el0_svc+0x78/0x1e0 [ 81.005790][ T5237] el0t_64_sync_handler+0xcc/0xe4 [ 81.006535][ T5237] el0t_64_sync+0x1a0/0x1a4 [ 81.008755][ T5237] ------------[ cut here ]------------ [ 81.011257][ T5237] WARNING: CPU: 1 PID: 5237 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 81.012842][ T5237] Modules linked in: [ 81.013464][ T5237] CPU: 1 PID: 5237 Comm: syz.0.26 Tainted: G W syzkaller #0 [ 81.014868][ T5237] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 81.016365][ T5237] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 81.017511][ T5237] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 81.018500][ T5237] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 81.019492][ T5237] sp : ffff80001f547640 [ 81.020122][ T5237] x29: ffff80001f547760 x28: 000000000000cfff x27: 0000000000000000 [ 81.021352][ T5237] x26: dfff800000000000 x25: ffff0000da0b0000 x24: ffff0000e31013a0 [ 81.022587][ T5237] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000defea738 [ 81.023931][ T5237] x20: ffff0000defea6e0 x19: 1fffe0001bdfd4e7 x18: 0000000000000001 [ 81.025204][ T5237] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 81.026525][ T5237] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 81.027755][ T5237] x11: 0000000000000000 x10: 0000000000000000 x9 : 9861a9b5c5f35a00 [ 81.028948][ T5237] x8 : 9861a9b5c5f35a00 x7 : 0000000000000001 x6 : 0000000000000001 [ 81.030170][ T5237] x5 : ffff80001f546f38 x4 : ffff80001425f420 x3 : ffff800008504400 [ 81.031538][ T5237] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 81.032732][ T5237] Call trace: [ 81.033218][ T5237] btrfs_replace_file_extents+0xcc4/0x1290 [ 81.034039][ T5237] __btrfs_prealloc_file_range+0x390/0xb88 [ 81.034915][ T5237] btrfs_prealloc_file_range+0x60/0x7c [ 81.035668][ T5237] btrfs_fallocate+0x1330/0x1614 [ 81.036368][ T5237] vfs_fallocate+0x4a4/0x5f4 [ 81.037020][ T5237] __arm64_sys_fallocate+0xc0/0x110 [ 81.037775][ T5237] invoke_syscall+0x98/0x2b8 [ 81.038405][ T5237] el0_svc_common+0x138/0x258 [ 81.039145][ T5237] do_el0_svc+0x58/0x14c [ 81.039816][ T5237] el0_svc+0x78/0x1e0 [ 81.040417][ T5237] el0t_64_sync_handler+0xcc/0xe4 [ 81.041155][ T5237] el0t_64_sync+0x1a0/0x1a4 [ 81.041884][ T5237] irq event stamp: 79598 [ 81.042552][ T5237] hardirqs last enabled at (79597): [] __up_console_sem+0xb4/0x100 [ 81.044199][ T5237] hardirqs last disabled at (79598): [] el1_dbg+0x24/0x80 [ 81.045755][ T5237] softirqs last enabled at (79586): [] handle_softirqs+0xa4c/0xbf0 [ 81.047265][ T5237] softirqs last disabled at (79483): [] __irq_exit_rcu+0x240/0x440 [ 81.048863][ T5237] ---[ end trace b3a60e1bb2d4d0f8 ]--- [ 81.050465][ T5237] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 81.052722][ T5237] BTRFS info (device loop0): forced readonly [ 81.190677][ T5259] loop0: detected capacity change from 0 to 32768 [ 81.235296][ T5259] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.27 (5259) [ 81.238856][ T5259] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 81.240419][ T5259] BTRFS info (device loop0): using free space tree [ 81.241475][ T5259] BTRFS info (device loop0): has skinny extents [ 81.249787][ T5259] BTRFS info (device loop0): enabling ssd optimizations [ 81.253382][ T5259] FAULT_INJECTION: forcing a failure. [ 81.253382][ T5259] name failslab, interval 1, probability 0, space 0, times 0 [ 81.255189][ T5259] CPU: 1 PID: 5259 Comm: syz.0.27 Tainted: G W syzkaller #0 [ 81.256592][ T5259] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 81.258274][ T5259] Call trace: [ 81.258720][ T5259] dump_backtrace+0x0/0x43c [ 81.259362][ T5259] show_stack+0x2c/0x3c [ 81.260042][ T5259] __dump_stack+0x30/0x40 [ 81.260792][ T5259] dump_stack_lvl+0xf8/0x160 [ 81.261473][ T5259] dump_stack+0x1c/0x5c [ 81.262130][ T5259] should_fail+0x3c0/0x51c [ 81.262826][ T5259] __should_failslab+0xbc/0x10c [ 81.263497][ T5259] should_failslab+0x10/0x28 [ 81.264180][ T5259] slab_pre_alloc_hook+0x64/0xec [ 81.265013][ T5259] kmem_cache_alloc+0x94/0x3e4 [ 81.265803][ T5259] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 81.266750][ T5259] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 81.267647][ T5259] btrfs_insert_replace_extent+0x7e4/0x970 [ 81.268582][ T5259] btrfs_replace_file_extents+0xa68/0x1290 [ 81.269468][ T5259] __btrfs_prealloc_file_range+0x390/0xb88 [ 81.270378][ T5259] btrfs_prealloc_file_range+0x60/0x7c [ 81.271147][ T5259] btrfs_fallocate+0x1330/0x1614 [ 81.271819][ T5259] vfs_fallocate+0x4a4/0x5f4 [ 81.272579][ T5259] __arm64_sys_fallocate+0xc0/0x110 [ 81.273427][ T5259] invoke_syscall+0x98/0x2b8 [ 81.274144][ T5259] el0_svc_common+0x138/0x258 [ 81.274891][ T5259] do_el0_svc+0x58/0x14c [ 81.275593][ T5259] el0_svc+0x78/0x1e0 [ 81.276237][ T5259] el0t_64_sync_handler+0xcc/0xe4 [ 81.276991][ T5259] el0t_64_sync+0x1a0/0x1a4 [ 81.278467][ T5259] ------------[ cut here ]------------ [ 81.281039][ T5259] WARNING: CPU: 1 PID: 5259 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 81.282543][ T5259] Modules linked in: [ 81.283116][ T5259] CPU: 1 PID: 5259 Comm: syz.0.27 Tainted: G W syzkaller #0 [ 81.284269][ T5259] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 81.285692][ T5259] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 81.286809][ T5259] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 81.287714][ T5259] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 81.288710][ T5259] sp : ffff80001fb57640 [ 81.289360][ T5259] x29: ffff80001fb57760 x28: 000000000000cfff x27: 0000000000000000 [ 81.290763][ T5259] x26: dfff800000000000 x25: ffff0000dc5b6000 x24: ffff0000e3103110 [ 81.292036][ T5259] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000defea898 [ 81.293315][ T5259] x20: ffff0000defea840 x19: 1fffe0001bdfd513 x18: 0000000000000001 [ 81.294568][ T5259] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 81.295763][ T5259] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 81.297008][ T5259] x11: 0000000000000000 x10: 0000000000000000 x9 : 34ce0572e0ca2d00 [ 81.298193][ T5259] x8 : 34ce0572e0ca2d00 x7 : 0000000000000001 x6 : 0000000000000001 [ 81.299463][ T5259] x5 : ffff80001fb56f38 x4 : ffff80001425f420 x3 : ffff800008504400 [ 81.300725][ T5259] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 81.301961][ T5259] Call trace: [ 81.302474][ T5259] btrfs_replace_file_extents+0xcc4/0x1290 [ 81.303398][ T5259] __btrfs_prealloc_file_range+0x390/0xb88 [ 81.304366][ T5259] btrfs_prealloc_file_range+0x60/0x7c [ 81.305235][ T5259] btrfs_fallocate+0x1330/0x1614 [ 81.306028][ T5259] vfs_fallocate+0x4a4/0x5f4 [ 81.306814][ T5259] __arm64_sys_fallocate+0xc0/0x110 [ 81.307663][ T5259] invoke_syscall+0x98/0x2b8 [ 81.308391][ T5259] el0_svc_common+0x138/0x258 [ 81.309099][ T5259] do_el0_svc+0x58/0x14c [ 81.309771][ T5259] el0_svc+0x78/0x1e0 [ 81.310432][ T5259] el0t_64_sync_handler+0xcc/0xe4 [ 81.311240][ T5259] el0t_64_sync+0x1a0/0x1a4 [ 81.311951][ T5259] irq event stamp: 80264 [ 81.312618][ T5259] hardirqs last enabled at (80263): [] __up_console_sem+0xb4/0x100 [ 81.313988][ T5259] hardirqs last disabled at (80264): [] el1_dbg+0x24/0x80 [ 81.315383][ T5259] softirqs last enabled at (80252): [] handle_softirqs+0xa4c/0xbf0 [ 81.316918][ T5259] softirqs last disabled at (80133): [] __irq_exit_rcu+0x240/0x440 [ 81.318492][ T5259] ---[ end trace b3a60e1bb2d4d0f9 ]--- [ 81.319980][ T5259] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 81.321623][ T5259] BTRFS info (device loop0): forced readonly [ 81.494726][ T5281] loop0: detected capacity change from 0 to 32768 [ 81.530664][ T5281] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.28 (5281) [ 81.534208][ T5281] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 81.535638][ T5281] BTRFS info (device loop0): using free space tree [ 81.536679][ T5281] BTRFS info (device loop0): has skinny extents [ 81.545799][ T5281] BTRFS info (device loop0): enabling ssd optimizations [ 81.550332][ T5281] FAULT_INJECTION: forcing a failure. [ 81.550332][ T5281] name failslab, interval 1, probability 0, space 0, times 0 [ 81.552421][ T5281] CPU: 0 PID: 5281 Comm: syz.0.28 Tainted: G W syzkaller #0 [ 81.553808][ T5281] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 81.555350][ T5281] Call trace: [ 81.555832][ T5281] dump_backtrace+0x0/0x43c [ 81.556521][ T5281] show_stack+0x2c/0x3c [ 81.557154][ T5281] __dump_stack+0x30/0x40 [ 81.557802][ T5281] dump_stack_lvl+0xf8/0x160 [ 81.558540][ T5281] dump_stack+0x1c/0x5c [ 81.559195][ T5281] should_fail+0x3c0/0x51c [ 81.559919][ T5281] __should_failslab+0xbc/0x10c [ 81.560688][ T5281] should_failslab+0x10/0x28 [ 81.561446][ T5281] slab_pre_alloc_hook+0x64/0xec [ 81.562243][ T5281] kmem_cache_alloc+0x94/0x3e4 [ 81.563009][ T5281] btrfs_add_delayed_data_ref+0x164/0xd0c [ 81.563907][ T5281] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 81.564883][ T5281] btrfs_insert_replace_extent+0x7e4/0x970 [ 81.565768][ T5281] btrfs_replace_file_extents+0xa68/0x1290 [ 81.566677][ T5281] __btrfs_prealloc_file_range+0x390/0xb88 [ 81.567616][ T5281] btrfs_prealloc_file_range+0x60/0x7c [ 81.568527][ T5281] btrfs_fallocate+0x1330/0x1614 [ 81.569315][ T5281] vfs_fallocate+0x4a4/0x5f4 [ 81.570068][ T5281] __arm64_sys_fallocate+0xc0/0x110 [ 81.570935][ T5281] invoke_syscall+0x98/0x2b8 [ 81.571592][ T5281] el0_svc_common+0x138/0x258 [ 81.572295][ T5281] do_el0_svc+0x58/0x14c [ 81.572997][ T5281] el0_svc+0x78/0x1e0 [ 81.573589][ T5281] el0t_64_sync_handler+0xcc/0xe4 [ 81.574342][ T5281] el0t_64_sync+0x1a0/0x1a4 [ 81.577365][ T5281] ------------[ cut here ]------------ [ 81.578307][ T5281] WARNING: CPU: 0 PID: 5281 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 81.579915][ T5281] Modules linked in: [ 81.580586][ T5281] CPU: 0 PID: 5281 Comm: syz.0.28 Tainted: G W syzkaller #0 [ 81.581968][ T5281] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 81.583445][ T5281] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 81.584573][ T5281] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 81.585477][ T5281] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 81.586442][ T5281] sp : ffff800020f47640 [ 81.587032][ T5281] x29: ffff800020f47760 x28: 000000000000cfff x27: 0000000000000000 [ 81.588272][ T5281] x26: dfff800000000000 x25: ffff0000c21f4000 x24: ffff0000e328ce80 [ 81.589583][ T5281] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000deea2d68 [ 81.590837][ T5281] x20: ffff0000deea2d10 x19: 1fffe0001bdd45ad x18: 0000000000000001 [ 81.592078][ T5281] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 81.593312][ T5281] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 81.594574][ T5281] x11: 0000000000000000 x10: 0000000000000000 x9 : 5d6ae6e5a4b62d00 [ 81.595739][ T5281] x8 : 5d6ae6e5a4b62d00 x7 : 0000000000000001 x6 : 0000000000000001 [ 81.597007][ T5281] x5 : ffff800020f46f38 x4 : ffff80001425f420 x3 : ffff800008504400 [ 81.598240][ T5281] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 81.599498][ T5281] Call trace: [ 81.600034][ T5281] btrfs_replace_file_extents+0xcc4/0x1290 [ 81.600920][ T5281] __btrfs_prealloc_file_range+0x390/0xb88 [ 81.601784][ T5281] btrfs_prealloc_file_range+0x60/0x7c [ 81.602674][ T5281] btrfs_fallocate+0x1330/0x1614 [ 81.603371][ T5281] vfs_fallocate+0x4a4/0x5f4 [ 81.604097][ T5281] __arm64_sys_fallocate+0xc0/0x110 [ 81.604957][ T5281] invoke_syscall+0x98/0x2b8 [ 81.605712][ T5281] el0_svc_common+0x138/0x258 [ 81.606391][ T5281] do_el0_svc+0x58/0x14c [ 81.607035][ T5281] el0_svc+0x78/0x1e0 [ 81.607654][ T5281] el0t_64_sync_handler+0xcc/0xe4 [ 81.608439][ T5281] el0t_64_sync+0x1a0/0x1a4 [ 81.609149][ T5281] irq event stamp: 79426 [ 81.609844][ T5281] hardirqs last enabled at (79425): [] __up_console_sem+0xb4/0x100 [ 81.611319][ T5281] hardirqs last disabled at (79426): [] el1_dbg+0x24/0x80 [ 81.612654][ T5281] softirqs last enabled at (79406): [] handle_softirqs+0xa4c/0xbf0 [ 81.614047][ T5281] softirqs last disabled at (79301): [] __irq_exit_rcu+0x240/0x440 [ 81.615472][ T5281] ---[ end trace b3a60e1bb2d4d0fa ]--- [ 81.630828][ T5281] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 81.632599][ T5281] BTRFS info (device loop0): forced readonly [ 81.838710][ T5303] loop0: detected capacity change from 0 to 32768 [ 81.848599][ T5303] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.29 (5303) [ 81.853814][ T5303] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 81.855220][ T5303] BTRFS info (device loop0): using free space tree [ 81.856254][ T5303] BTRFS info (device loop0): has skinny extents [ 81.916824][ T5303] BTRFS info (device loop0): enabling ssd optimizations [ 81.920786][ T5303] FAULT_INJECTION: forcing a failure. [ 81.920786][ T5303] name failslab, interval 1, probability 0, space 0, times 0 [ 81.922741][ T5303] CPU: 0 PID: 5303 Comm: syz.0.29 Tainted: G W syzkaller #0 [ 81.923995][ T5303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 81.925532][ T5303] Call trace: [ 81.926056][ T5303] dump_backtrace+0x0/0x43c [ 81.926759][ T5303] show_stack+0x2c/0x3c [ 81.927389][ T5303] __dump_stack+0x30/0x40 [ 81.928020][ T5303] dump_stack_lvl+0xf8/0x160 [ 81.928718][ T5303] dump_stack+0x1c/0x5c [ 81.929319][ T5303] should_fail+0x3c0/0x51c [ 81.930021][ T5303] __should_failslab+0xbc/0x10c [ 81.930761][ T5303] should_failslab+0x10/0x28 [ 81.931441][ T5303] slab_pre_alloc_hook+0x64/0xec [ 81.932196][ T5303] kmem_cache_alloc+0x94/0x3e4 [ 81.932964][ T5303] btrfs_add_delayed_data_ref+0x164/0xd0c [ 81.933859][ T5303] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 81.934882][ T5303] btrfs_insert_replace_extent+0x7e4/0x970 [ 81.935824][ T5303] btrfs_replace_file_extents+0xa68/0x1290 [ 81.936725][ T5303] __btrfs_prealloc_file_range+0x390/0xb88 [ 81.937632][ T5303] btrfs_prealloc_file_range+0x60/0x7c [ 81.938535][ T5303] btrfs_fallocate+0x1330/0x1614 [ 81.939336][ T5303] vfs_fallocate+0x4a4/0x5f4 [ 81.940068][ T5303] __arm64_sys_fallocate+0xc0/0x110 [ 81.940828][ T5303] invoke_syscall+0x98/0x2b8 [ 81.941442][ T5303] el0_svc_common+0x138/0x258 [ 81.942204][ T5303] do_el0_svc+0x58/0x14c [ 81.942791][ T5303] el0_svc+0x78/0x1e0 [ 81.943369][ T5303] el0t_64_sync_handler+0xcc/0xe4 [ 81.944106][ T5303] el0t_64_sync+0x1a0/0x1a4 [ 81.946448][ T5303] ------------[ cut here ]------------ [ 81.947371][ T5303] WARNING: CPU: 0 PID: 5303 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 81.948945][ T5303] Modules linked in: [ 81.949492][ T5303] CPU: 0 PID: 5303 Comm: syz.0.29 Tainted: G W syzkaller #0 [ 81.950769][ T5303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 81.952126][ T5303] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 81.953256][ T5303] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 81.954106][ T5303] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 81.954987][ T5303] sp : ffff800020f57640 [ 81.955646][ T5303] x29: ffff800020f57760 x28: 000000000000cfff x27: 0000000000000000 [ 81.956897][ T5303] x26: dfff800000000000 x25: ffff0000d5b20000 x24: ffff0000e328ebf0 [ 81.958093][ T5303] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000deea2ec8 [ 81.959319][ T5303] x20: ffff0000deea2e70 x19: 1fffe0001bdd45d9 x18: 0000000000000001 [ 81.960608][ T5303] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 81.961767][ T5303] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 81.963038][ T5303] x11: 0000000000000000 x10: 0000000000000000 x9 : 804bcb145de5aa00 [ 81.964362][ T5303] x8 : 804bcb145de5aa00 x7 : 0000000000000001 x6 : 0000000000000001 [ 81.965595][ T5303] x5 : ffff800020f56f38 x4 : ffff80001425f420 x3 : ffff800008504400 [ 81.966874][ T5303] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 81.968169][ T5303] Call trace: [ 81.968739][ T5303] btrfs_replace_file_extents+0xcc4/0x1290 [ 81.969696][ T5303] __btrfs_prealloc_file_range+0x390/0xb88 [ 81.970614][ T5303] btrfs_prealloc_file_range+0x60/0x7c [ 81.971483][ T5303] btrfs_fallocate+0x1330/0x1614 [ 81.972270][ T5303] vfs_fallocate+0x4a4/0x5f4 [ 81.972988][ T5303] __arm64_sys_fallocate+0xc0/0x110 [ 81.973795][ T5303] invoke_syscall+0x98/0x2b8 [ 81.974529][ T5303] el0_svc_common+0x138/0x258 [ 81.975247][ T5303] do_el0_svc+0x58/0x14c [ 81.975910][ T5303] el0_svc+0x78/0x1e0 [ 81.976447][ T5303] el0t_64_sync_handler+0xcc/0xe4 [ 81.977276][ T5303] el0t_64_sync+0x1a0/0x1a4 [ 81.977941][ T5303] irq event stamp: 80098 [ 81.978553][ T5303] hardirqs last enabled at (80097): [] __up_console_sem+0xb4/0x100 [ 81.979940][ T5303] hardirqs last disabled at (80098): [] el1_dbg+0x24/0x80 [ 81.981194][ T5303] softirqs last enabled at (80078): [] handle_softirqs+0xa4c/0xbf0 [ 81.982664][ T5303] softirqs last disabled at (79931): [] __irq_exit_rcu+0x240/0x440 [ 81.984016][ T5303] ---[ end trace b3a60e1bb2d4d0fb ]--- [ 81.986701][ T5303] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 81.988284][ T5303] BTRFS info (device loop0): forced readonly [ 82.157810][ T5325] loop0: detected capacity change from 0 to 32768 [ 82.200764][ T5325] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.30 (5325) [ 82.203734][ T5325] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 82.205054][ T5325] BTRFS info (device loop0): using free space tree [ 82.206032][ T5325] BTRFS info (device loop0): has skinny extents [ 82.255913][ T5325] BTRFS info (device loop0): enabling ssd optimizations [ 82.262380][ T5325] FAULT_INJECTION: forcing a failure. [ 82.262380][ T5325] name failslab, interval 1, probability 0, space 0, times 0 [ 82.264187][ T5325] CPU: 0 PID: 5325 Comm: syz.0.30 Tainted: G W syzkaller #0 [ 82.265497][ T5325] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 82.267093][ T5325] Call trace: [ 82.267569][ T5325] dump_backtrace+0x0/0x43c [ 82.268267][ T5325] show_stack+0x2c/0x3c [ 82.268843][ T5325] __dump_stack+0x30/0x40 [ 82.269519][ T5325] dump_stack_lvl+0xf8/0x160 [ 82.270256][ T5325] dump_stack+0x1c/0x5c [ 82.270941][ T5325] should_fail+0x3c0/0x51c [ 82.271651][ T5325] __should_failslab+0xbc/0x10c [ 82.272490][ T5325] should_failslab+0x10/0x28 [ 82.273210][ T5325] slab_pre_alloc_hook+0x64/0xec [ 82.273916][ T5325] kmem_cache_alloc+0x94/0x3e4 [ 82.274635][ T5325] btrfs_add_delayed_data_ref+0x164/0xd0c [ 82.275490][ T5325] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 82.276401][ T5325] btrfs_insert_replace_extent+0x7e4/0x970 [ 82.277227][ T5325] btrfs_replace_file_extents+0xa68/0x1290 [ 82.278047][ T5325] __btrfs_prealloc_file_range+0x390/0xb88 [ 82.278922][ T5325] btrfs_prealloc_file_range+0x60/0x7c [ 82.279714][ T5325] btrfs_fallocate+0x1330/0x1614 [ 82.280509][ T5325] vfs_fallocate+0x4a4/0x5f4 [ 82.281249][ T5325] __arm64_sys_fallocate+0xc0/0x110 [ 82.282075][ T5325] invoke_syscall+0x98/0x2b8 [ 82.282806][ T5325] el0_svc_common+0x138/0x258 [ 82.283576][ T5325] do_el0_svc+0x58/0x14c [ 82.284202][ T5325] el0_svc+0x78/0x1e0 [ 82.284815][ T5325] el0t_64_sync_handler+0xcc/0xe4 [ 82.285574][ T5325] el0t_64_sync+0x1a0/0x1a4 [ 82.287394][ T5325] ------------[ cut here ]------------ [ 82.288279][ T5325] WARNING: CPU: 0 PID: 5325 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 82.289689][ T5325] Modules linked in: [ 82.290243][ T5325] CPU: 0 PID: 5325 Comm: syz.0.30 Tainted: G W syzkaller #0 [ 82.291495][ T5325] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 82.292890][ T5325] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 82.294100][ T5325] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 82.295130][ T5325] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 82.296170][ T5325] sp : ffff800021057640 [ 82.296875][ T5325] x29: ffff800021057760 x28: 000000000000cfff x27: 0000000000000000 [ 82.298148][ T5325] x26: dfff800000000000 x25: ffff0000c1678000 x24: ffff0000ed0f93a0 [ 82.299434][ T5325] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000deea27e8 [ 82.300581][ T5325] x20: ffff0000deea2790 x19: 1fffe0001bdd44fd x18: 0000000000000001 [ 82.301916][ T5325] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 82.303194][ T5325] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 82.304462][ T5325] x11: 0000000000000000 x10: 0000000000000000 x9 : c7aa63026cf50800 [ 82.305739][ T5325] x8 : c7aa63026cf50800 x7 : 0000000000000001 x6 : 0000000000000001 [ 82.306867][ T5325] x5 : ffff800021056f38 x4 : ffff80001425f420 x3 : ffff800008504400 [ 82.308024][ T5325] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 82.309133][ T5325] Call trace: [ 82.309576][ T5325] btrfs_replace_file_extents+0xcc4/0x1290 [ 82.310410][ T5325] __btrfs_prealloc_file_range+0x390/0xb88 [ 82.311238][ T5325] btrfs_prealloc_file_range+0x60/0x7c [ 82.312041][ T5325] btrfs_fallocate+0x1330/0x1614 [ 82.312735][ T5325] vfs_fallocate+0x4a4/0x5f4 [ 82.313378][ T5325] __arm64_sys_fallocate+0xc0/0x110 [ 82.314112][ T5325] invoke_syscall+0x98/0x2b8 [ 82.314770][ T5325] el0_svc_common+0x138/0x258 [ 82.315405][ T5325] do_el0_svc+0x58/0x14c [ 82.316023][ T5325] el0_svc+0x78/0x1e0 [ 82.316594][ T5325] el0t_64_sync_handler+0xcc/0xe4 [ 82.317293][ T5325] el0t_64_sync+0x1a0/0x1a4 [ 82.317974][ T5325] irq event stamp: 81112 [ 82.318561][ T5325] hardirqs last enabled at (81111): [] __up_console_sem+0xb4/0x100 [ 82.319902][ T5325] hardirqs last disabled at (81112): [] el1_dbg+0x24/0x80 [ 82.321128][ T5325] softirqs last enabled at (81092): [] handle_softirqs+0xa4c/0xbf0 [ 82.322453][ T5325] softirqs last disabled at (81003): [] __irq_exit_rcu+0x240/0x440 [ 82.323876][ T5325] ---[ end trace b3a60e1bb2d4d0fc ]--- [ 82.325708][ T5325] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 82.327321][ T5325] BTRFS info (device loop0): forced readonly [ 82.532274][ T5347] loop0: detected capacity change from 0 to 32768 [ 82.570522][ T5347] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.31 (5347) [ 82.573641][ T5347] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 82.575021][ T5347] BTRFS info (device loop0): using free space tree [ 82.576045][ T5347] BTRFS info (device loop0): has skinny extents [ 82.597134][ T5347] BTRFS info (device loop0): enabling ssd optimizations [ 82.600821][ T5347] FAULT_INJECTION: forcing a failure. [ 82.600821][ T5347] name failslab, interval 1, probability 0, space 0, times 0 [ 82.602703][ T5347] CPU: 0 PID: 5347 Comm: syz.0.31 Tainted: G W syzkaller #0 [ 82.603871][ T5347] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 82.605297][ T5347] Call trace: [ 82.605745][ T5347] dump_backtrace+0x0/0x43c [ 82.606429][ T5347] show_stack+0x2c/0x3c [ 82.607049][ T5347] __dump_stack+0x30/0x40 [ 82.607724][ T5347] dump_stack_lvl+0xf8/0x160 [ 82.608394][ T5347] dump_stack+0x1c/0x5c [ 82.608990][ T5347] should_fail+0x3c0/0x51c [ 82.609687][ T5347] __should_failslab+0xbc/0x10c [ 82.610394][ T5347] should_failslab+0x10/0x28 [ 82.611004][ T5347] slab_pre_alloc_hook+0x64/0xec [ 82.611790][ T5347] kmem_cache_alloc+0x94/0x3e4 [ 82.612490][ T5347] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 82.613386][ T5347] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 82.614388][ T5347] btrfs_insert_replace_extent+0x7e4/0x970 [ 82.615188][ T5347] btrfs_replace_file_extents+0xa68/0x1290 [ 82.616117][ T5347] __btrfs_prealloc_file_range+0x390/0xb88 [ 82.617088][ T5347] btrfs_prealloc_file_range+0x60/0x7c [ 82.618035][ T5347] btrfs_fallocate+0x1330/0x1614 [ 82.618866][ T5347] vfs_fallocate+0x4a4/0x5f4 [ 82.619655][ T5347] __arm64_sys_fallocate+0xc0/0x110 [ 82.620504][ T5347] invoke_syscall+0x98/0x2b8 [ 82.621249][ T5347] el0_svc_common+0x138/0x258 [ 82.622045][ T5347] do_el0_svc+0x58/0x14c [ 82.622668][ T5347] el0_svc+0x78/0x1e0 [ 82.623289][ T5347] el0t_64_sync_handler+0xcc/0xe4 [ 82.624041][ T5347] el0t_64_sync+0x1a0/0x1a4 [ 82.625000][ T5347] ------------[ cut here ]------------ [ 82.625938][ T5347] WARNING: CPU: 0 PID: 5347 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 82.627450][ T5347] Modules linked in: [ 82.628091][ T5347] CPU: 0 PID: 5347 Comm: syz.0.31 Tainted: G W syzkaller #0 [ 82.629456][ T5347] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 82.631124][ T5347] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 82.632338][ T5347] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 82.633266][ T5347] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 82.634228][ T5347] sp : ffff800021057640 [ 82.634891][ T5347] x29: ffff800021057760 x28: 000000000000cfff x27: 0000000000000000 [ 82.636451][ T5347] x26: dfff800000000000 x25: ffff0000cbc2a000 x24: ffff0000ed0f9d70 [ 82.637850][ T5347] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000deea2688 [ 82.639178][ T5347] x20: ffff0000deea2630 x19: 1fffe0001bdd44d1 x18: 0000000000000001 [ 82.640405][ T5347] x17: 0000000000000000 x16: ffff800008302168 x15: 00000000ffffffff [ 82.641712][ T5347] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 82.642975][ T5347] x11: 0000000000000000 x10: 0000000000000000 x9 : 429fa88259706800 [ 82.644232][ T5347] x8 : 429fa88259706800 x7 : 0000000000000001 x6 : 0000000000000001 [ 82.645509][ T5347] x5 : ffff800021056f38 x4 : ffff80001425f420 x3 : ffff800008302278 [ 82.646707][ T5347] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 82.647906][ T5347] Call trace: [ 82.648449][ T5347] btrfs_replace_file_extents+0xcc4/0x1290 [ 82.649367][ T5347] __btrfs_prealloc_file_range+0x390/0xb88 [ 82.650315][ T5347] btrfs_prealloc_file_range+0x60/0x7c [ 82.651177][ T5347] btrfs_fallocate+0x1330/0x1614 [ 82.651929][ T5347] vfs_fallocate+0x4a4/0x5f4 [ 82.652649][ T5347] __arm64_sys_fallocate+0xc0/0x110 [ 82.653426][ T5347] invoke_syscall+0x98/0x2b8 [ 82.654142][ T5347] el0_svc_common+0x138/0x258 [ 82.654874][ T5347] do_el0_svc+0x58/0x14c [ 82.655556][ T5347] el0_svc+0x78/0x1e0 [ 82.656177][ T5347] el0t_64_sync_handler+0xcc/0xe4 [ 82.656977][ T5347] el0t_64_sync+0x1a0/0x1a4 [ 82.657701][ T5347] irq event stamp: 80022 [ 82.658338][ T5347] hardirqs last enabled at (80021): [] __up_console_sem+0xb4/0x100 [ 82.659976][ T5347] hardirqs last disabled at (80022): [] el1_dbg+0x24/0x80 [ 82.661305][ T5347] softirqs last enabled at (79998): [] handle_softirqs+0xa4c/0xbf0 [ 82.662760][ T5347] softirqs last disabled at (79911): [] __irq_exit_rcu+0x240/0x440 [ 82.664143][ T5347] ---[ end trace b3a60e1bb2d4d0fd ]--- [ 82.665749][ T5347] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 82.667365][ T5347] BTRFS info (device loop0): forced readonly 1970/01/01 00:01:22 executed programs: 19 [ 82.815504][ T5369] loop0: detected capacity change from 0 to 32768 [ 82.824466][ T5369] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.32 (5369) [ 82.829729][ T5369] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 82.831099][ T5369] BTRFS info (device loop0): using free space tree [ 82.832159][ T5369] BTRFS info (device loop0): has skinny extents [ 82.841582][ T5369] BTRFS info (device loop0): enabling ssd optimizations [ 82.850427][ T5369] FAULT_INJECTION: forcing a failure. [ 82.850427][ T5369] name failslab, interval 1, probability 0, space 0, times 0 [ 82.852430][ T5369] CPU: 1 PID: 5369 Comm: syz.0.32 Tainted: G W syzkaller #0 [ 82.853757][ T5369] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 82.855312][ T5369] Call trace: [ 82.855823][ T5369] dump_backtrace+0x0/0x43c [ 82.856538][ T5369] show_stack+0x2c/0x3c [ 82.857171][ T5369] __dump_stack+0x30/0x40 [ 82.857868][ T5369] dump_stack_lvl+0xf8/0x160 [ 82.858565][ T5369] dump_stack+0x1c/0x5c [ 82.859300][ T5369] should_fail+0x3c0/0x51c [ 82.860057][ T5369] __should_failslab+0xbc/0x10c [ 82.860905][ T5369] should_failslab+0x10/0x28 [ 82.861664][ T5369] slab_pre_alloc_hook+0x64/0xec [ 82.862504][ T5369] kmem_cache_alloc+0x94/0x3e4 [ 82.863281][ T5369] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 82.864202][ T5369] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 82.865215][ T5369] btrfs_insert_replace_extent+0x7e4/0x970 [ 82.866114][ T5369] btrfs_replace_file_extents+0xa68/0x1290 [ 82.867013][ T5369] __btrfs_prealloc_file_range+0x390/0xb88 [ 82.867958][ T5369] btrfs_prealloc_file_range+0x60/0x7c [ 82.868813][ T5369] btrfs_fallocate+0x1330/0x1614 [ 82.869591][ T5369] vfs_fallocate+0x4a4/0x5f4 [ 82.870282][ T5369] __arm64_sys_fallocate+0xc0/0x110 [ 82.871130][ T5369] invoke_syscall+0x98/0x2b8 [ 82.871863][ T5369] el0_svc_common+0x138/0x258 [ 82.872515][ T5369] do_el0_svc+0x58/0x14c [ 82.873165][ T5369] el0_svc+0x78/0x1e0 [ 82.873802][ T5369] el0t_64_sync_handler+0xcc/0xe4 [ 82.874528][ T5369] el0t_64_sync+0x1a0/0x1a4 [ 82.877779][ T5369] ------------[ cut here ]------------ [ 82.878729][ T5369] WARNING: CPU: 1 PID: 5369 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 82.880185][ T5369] Modules linked in: [ 82.880805][ T5369] CPU: 1 PID: 5369 Comm: syz.0.32 Tainted: G W syzkaller #0 [ 82.882194][ T5369] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 82.883689][ T5369] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 82.884858][ T5369] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 82.885803][ T5369] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 82.886638][ T5369] sp : ffff800021367640 [ 82.887290][ T5369] x29: ffff800021367760 x28: 000000000000cfff x27: 0000000000000000 [ 82.888458][ T5369] x26: dfff800000000000 x25: ffff0000cac28000 x24: ffff0000e3105850 [ 82.889591][ T5369] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000defea9f8 [ 82.890767][ T5369] x20: ffff0000defea9a0 x19: 1fffe0001bdfd53f x18: 0000000000000001 [ 82.892150][ T5369] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 82.893508][ T5369] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 82.894791][ T5369] x11: 0000000000000000 x10: 0000000000000000 x9 : a2db14a9a65fac00 [ 82.896148][ T5369] x8 : a2db14a9a65fac00 x7 : 0000000000000001 x6 : 0000000000000001 [ 82.897465][ T5369] x5 : ffff800021366f38 x4 : ffff80001425f420 x3 : ffff800008504400 [ 82.898814][ T5369] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 82.900089][ T5369] Call trace: [ 82.900602][ T5369] btrfs_replace_file_extents+0xcc4/0x1290 [ 82.901534][ T5369] __btrfs_prealloc_file_range+0x390/0xb88 [ 82.902476][ T5369] btrfs_prealloc_file_range+0x60/0x7c [ 82.903355][ T5369] btrfs_fallocate+0x1330/0x1614 [ 82.904174][ T5369] vfs_fallocate+0x4a4/0x5f4 [ 82.904837][ T5369] __arm64_sys_fallocate+0xc0/0x110 [ 82.905703][ T5369] invoke_syscall+0x98/0x2b8 [ 82.906348][ T5369] el0_svc_common+0x138/0x258 [ 82.907051][ T5369] do_el0_svc+0x58/0x14c [ 82.907735][ T5369] el0_svc+0x78/0x1e0 [ 82.908357][ T5369] el0t_64_sync_handler+0xcc/0xe4 [ 82.909185][ T5369] el0t_64_sync+0x1a0/0x1a4 [ 82.909926][ T5369] irq event stamp: 80608 [ 82.910598][ T5369] hardirqs last enabled at (80607): [] __up_console_sem+0xb4/0x100 [ 82.912177][ T5369] hardirqs last disabled at (80608): [] el1_dbg+0x24/0x80 [ 82.913611][ T5369] softirqs last enabled at (80584): [] handle_softirqs+0xa4c/0xbf0 [ 82.915035][ T5369] softirqs last disabled at (80539): [] __irq_exit_rcu+0x240/0x440 [ 82.916624][ T5369] ---[ end trace b3a60e1bb2d4d0fe ]--- [ 82.920489][ T5369] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 82.921996][ T5369] BTRFS info (device loop0): forced readonly [ 83.064639][ T5391] loop0: detected capacity change from 0 to 32768 [ 83.110595][ T5391] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.33 (5391) [ 83.116749][ T5391] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 83.118247][ T5391] BTRFS info (device loop0): using free space tree [ 83.119939][ T5391] BTRFS info (device loop0): has skinny extents [ 83.129079][ T5391] BTRFS info (device loop0): enabling ssd optimizations [ 83.133239][ T5391] FAULT_INJECTION: forcing a failure. [ 83.133239][ T5391] name failslab, interval 1, probability 0, space 0, times 0 [ 83.135282][ T5391] CPU: 1 PID: 5391 Comm: syz.0.33 Tainted: G W syzkaller #0 [ 83.136671][ T5391] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 83.138078][ T5391] Call trace: [ 83.138605][ T5391] dump_backtrace+0x0/0x43c [ 83.139283][ T5391] show_stack+0x2c/0x3c [ 83.140019][ T5391] __dump_stack+0x30/0x40 [ 83.140737][ T5391] dump_stack_lvl+0xf8/0x160 [ 83.141429][ T5391] dump_stack+0x1c/0x5c [ 83.142140][ T5391] should_fail+0x3c0/0x51c [ 83.142866][ T5391] __should_failslab+0xbc/0x10c [ 83.143695][ T5391] should_failslab+0x10/0x28 [ 83.144444][ T5391] slab_pre_alloc_hook+0x64/0xec [ 83.145279][ T5391] kmem_cache_alloc+0x94/0x3e4 [ 83.146000][ T5391] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 83.146937][ T5391] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 83.147953][ T5391] btrfs_insert_replace_extent+0x7e4/0x970 [ 83.148896][ T5391] btrfs_replace_file_extents+0xa68/0x1290 [ 83.149842][ T5391] __btrfs_prealloc_file_range+0x390/0xb88 [ 83.150808][ T5391] btrfs_prealloc_file_range+0x60/0x7c [ 83.151652][ T5391] btrfs_fallocate+0x1330/0x1614 [ 83.152422][ T5391] vfs_fallocate+0x4a4/0x5f4 [ 83.153131][ T5391] __arm64_sys_fallocate+0xc0/0x110 [ 83.153977][ T5391] invoke_syscall+0x98/0x2b8 [ 83.154685][ T5391] el0_svc_common+0x138/0x258 [ 83.155397][ T5391] do_el0_svc+0x58/0x14c [ 83.156032][ T5391] el0_svc+0x78/0x1e0 [ 83.156687][ T5391] el0t_64_sync_handler+0xcc/0xe4 [ 83.157524][ T5391] el0t_64_sync+0x1a0/0x1a4 [ 83.160792][ T5391] ------------[ cut here ]------------ [ 83.161777][ T5391] WARNING: CPU: 1 PID: 5391 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 83.163321][ T5391] Modules linked in: [ 83.163912][ T5391] CPU: 1 PID: 5391 Comm: syz.0.33 Tainted: G W syzkaller #0 [ 83.165260][ T5391] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 83.166914][ T5391] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 83.168103][ T5391] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 83.169101][ T5391] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 83.170044][ T5391] sp : ffff8000213c7640 [ 83.170612][ T5391] x29: ffff8000213c7760 x28: 000000000000cfff x27: 0000000000000000 [ 83.171801][ T5391] x26: dfff800000000000 x25: ffff0000d4bf6000 x24: ffff0000e31075c0 [ 83.172988][ T5391] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000defea268 [ 83.174249][ T5391] x20: ffff0000defea210 x19: 1fffe0001bdfd44d x18: 0000000000000001 [ 83.175525][ T5391] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 83.176792][ T5391] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 83.178115][ T5391] x11: 0000000000000000 x10: 0000000000000000 x9 : ec4cae8f8b409100 [ 83.179370][ T5391] x8 : ec4cae8f8b409100 x7 : 0000000000000001 x6 : 0000000000000001 [ 83.180623][ T5391] x5 : ffff8000213c6f38 x4 : ffff80001425f420 x3 : ffff800008504400 [ 83.181877][ T5391] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 83.183164][ T5391] Call trace: [ 83.183705][ T5391] btrfs_replace_file_extents+0xcc4/0x1290 [ 83.184663][ T5391] __btrfs_prealloc_file_range+0x390/0xb88 [ 83.185537][ T5391] btrfs_prealloc_file_range+0x60/0x7c [ 83.186409][ T5391] btrfs_fallocate+0x1330/0x1614 [ 83.187184][ T5391] vfs_fallocate+0x4a4/0x5f4 [ 83.187937][ T5391] __arm64_sys_fallocate+0xc0/0x110 [ 83.188819][ T5391] invoke_syscall+0x98/0x2b8 [ 83.189553][ T5391] el0_svc_common+0x138/0x258 [ 83.190300][ T5391] do_el0_svc+0x58/0x14c [ 83.190998][ T5391] el0_svc+0x78/0x1e0 [ 83.191661][ T5391] el0t_64_sync_handler+0xcc/0xe4 [ 83.192466][ T5391] el0t_64_sync+0x1a0/0x1a4 [ 83.193145][ T5391] irq event stamp: 80800 [ 83.193797][ T5391] hardirqs last enabled at (80799): [] __up_console_sem+0xb4/0x100 [ 83.195338][ T5391] hardirqs last disabled at (80800): [] el1_dbg+0x24/0x80 [ 83.196798][ T5391] softirqs last enabled at (80776): [] handle_softirqs+0xa4c/0xbf0 [ 83.198229][ T5391] softirqs last disabled at (80673): [] __irq_exit_rcu+0x240/0x440 [ 83.199709][ T5391] ---[ end trace b3a60e1bb2d4d0ff ]--- [ 83.202797][ T5391] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 83.204292][ T5391] BTRFS info (device loop0): forced readonly [ 83.341782][ T5413] loop0: detected capacity change from 0 to 32768 [ 83.430176][ T5413] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.34 (5413) [ 83.490279][ T5413] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 83.491707][ T5413] BTRFS info (device loop0): using free space tree [ 83.492680][ T5413] BTRFS info (device loop0): has skinny extents [ 83.501154][ T5413] BTRFS info (device loop0): enabling ssd optimizations [ 83.505010][ T5413] FAULT_INJECTION: forcing a failure. [ 83.505010][ T5413] name failslab, interval 1, probability 0, space 0, times 0 [ 83.506951][ T5413] CPU: 1 PID: 5413 Comm: syz.0.34 Tainted: G W syzkaller #0 [ 83.508325][ T5413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 83.509999][ T5413] Call trace: [ 83.510514][ T5413] dump_backtrace+0x0/0x43c [ 83.511182][ T5413] show_stack+0x2c/0x3c [ 83.511846][ T5413] __dump_stack+0x30/0x40 [ 83.512482][ T5413] dump_stack_lvl+0xf8/0x160 [ 83.513193][ T5413] dump_stack+0x1c/0x5c [ 83.513809][ T5413] should_fail+0x3c0/0x51c [ 83.514454][ T5413] __should_failslab+0xbc/0x10c [ 83.515162][ T5413] should_failslab+0x10/0x28 [ 83.515862][ T5413] slab_pre_alloc_hook+0x64/0xec [ 83.516571][ T5413] kmem_cache_alloc+0x94/0x3e4 [ 83.517246][ T5413] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 83.518004][ T5413] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 83.519110][ T5413] btrfs_insert_replace_extent+0x7e4/0x970 [ 83.520117][ T5413] btrfs_replace_file_extents+0xa68/0x1290 [ 83.521139][ T5413] __btrfs_prealloc_file_range+0x390/0xb88 [ 83.522048][ T5413] btrfs_prealloc_file_range+0x60/0x7c [ 83.522946][ T5413] btrfs_fallocate+0x1330/0x1614 [ 83.523700][ T5413] vfs_fallocate+0x4a4/0x5f4 [ 83.524369][ T5413] __arm64_sys_fallocate+0xc0/0x110 [ 83.525193][ T5413] invoke_syscall+0x98/0x2b8 [ 83.525907][ T5413] el0_svc_common+0x138/0x258 [ 83.526643][ T5413] do_el0_svc+0x58/0x14c [ 83.527292][ T5413] el0_svc+0x78/0x1e0 [ 83.527926][ T5413] el0t_64_sync_handler+0xcc/0xe4 [ 83.528749][ T5413] el0t_64_sync+0x1a0/0x1a4 [ 83.530283][ T5413] ------------[ cut here ]------------ [ 83.531236][ T5413] WARNING: CPU: 1 PID: 5413 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 83.532654][ T5413] Modules linked in: [ 83.533234][ T5413] CPU: 1 PID: 5413 Comm: syz.0.34 Tainted: G W syzkaller #0 [ 83.534412][ T5413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 83.535927][ T5413] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 83.537058][ T5413] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 83.537933][ T5413] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 83.538912][ T5413] sp : ffff800021487640 [ 83.539534][ T5413] x29: ffff800021487760 x28: 000000000000cfff x27: 0000000000000000 [ 83.540757][ T5413] x26: dfff800000000000 x25: ffff0000ce80a000 x24: ffff0000ed0fc4b0 [ 83.541978][ T5413] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000defeaaa8 [ 83.543266][ T5413] x20: ffff0000defeaa50 x19: 1fffe0001bdfd555 x18: 0000000000000001 [ 83.544605][ T5413] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 83.545905][ T5413] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 83.547242][ T5413] x11: 0000000000000000 x10: 0000000000000000 x9 : 52fe3c8831899c00 [ 83.548528][ T5413] x8 : 52fe3c8831899c00 x7 : 0000000000000001 x6 : 0000000000000001 [ 83.549782][ T5413] x5 : ffff800021486f38 x4 : ffff80001425f420 x3 : ffff800008504400 [ 83.551100][ T5413] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 83.552356][ T5413] Call trace: [ 83.552849][ T5413] btrfs_replace_file_extents+0xcc4/0x1290 [ 83.553725][ T5413] __btrfs_prealloc_file_range+0x390/0xb88 [ 83.554693][ T5413] btrfs_prealloc_file_range+0x60/0x7c [ 83.555544][ T5413] btrfs_fallocate+0x1330/0x1614 [ 83.556311][ T5413] vfs_fallocate+0x4a4/0x5f4 [ 83.557001][ T5413] __arm64_sys_fallocate+0xc0/0x110 [ 83.557813][ T5413] invoke_syscall+0x98/0x2b8 [ 83.558556][ T5413] el0_svc_common+0x138/0x258 [ 83.559245][ T5413] do_el0_svc+0x58/0x14c [ 83.559879][ T5413] el0_svc+0x78/0x1e0 [ 83.560468][ T5413] el0t_64_sync_handler+0xcc/0xe4 [ 83.561195][ T5413] el0t_64_sync+0x1a0/0x1a4 [ 83.561888][ T5413] irq event stamp: 80976 [ 83.562557][ T5413] hardirqs last enabled at (80975): [] __up_console_sem+0xb4/0x100 [ 83.564088][ T5413] hardirqs last disabled at (80976): [] el1_dbg+0x24/0x80 [ 83.565385][ T5413] softirqs last enabled at (80952): [] handle_softirqs+0xa4c/0xbf0 [ 83.566976][ T5413] softirqs last disabled at (80935): [] __irq_exit_rcu+0x240/0x440 [ 83.568400][ T5413] ---[ end trace b3a60e1bb2d4d100 ]--- [ 83.570780][ T5413] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 83.572273][ T5413] BTRFS info (device loop0): forced readonly [ 83.710958][ T5435] loop0: detected capacity change from 0 to 32768 [ 83.750715][ T5435] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.35 (5435) [ 83.781784][ T5435] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 83.783381][ T5435] BTRFS info (device loop0): using free space tree [ 83.784393][ T5435] BTRFS info (device loop0): has skinny extents [ 83.792500][ T5435] BTRFS info (device loop0): enabling ssd optimizations [ 83.802210][ T5435] FAULT_INJECTION: forcing a failure. [ 83.802210][ T5435] name failslab, interval 1, probability 0, space 0, times 0 [ 83.804675][ T5435] CPU: 1 PID: 5435 Comm: syz.0.35 Tainted: G W syzkaller #0 [ 83.805965][ T5435] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 83.807436][ T5435] Call trace: [ 83.807896][ T5435] dump_backtrace+0x0/0x43c [ 83.808623][ T5435] show_stack+0x2c/0x3c [ 83.809290][ T5435] __dump_stack+0x30/0x40 [ 83.809967][ T5435] dump_stack_lvl+0xf8/0x160 [ 83.810714][ T5435] dump_stack+0x1c/0x5c [ 83.811372][ T5435] should_fail+0x3c0/0x51c [ 83.812074][ T5435] __should_failslab+0xbc/0x10c [ 83.812808][ T5435] should_failslab+0x10/0x28 [ 83.813507][ T5435] slab_pre_alloc_hook+0x64/0xec [ 83.814244][ T5435] kmem_cache_alloc+0x94/0x3e4 [ 83.815088][ T5435] btrfs_add_delayed_data_ref+0x164/0xd0c [ 83.815912][ T5435] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 83.816864][ T5435] btrfs_insert_replace_extent+0x7e4/0x970 [ 83.817777][ T5435] btrfs_replace_file_extents+0xa68/0x1290 [ 83.818748][ T5435] __btrfs_prealloc_file_range+0x390/0xb88 [ 83.819765][ T5435] btrfs_prealloc_file_range+0x60/0x7c [ 83.820647][ T5435] btrfs_fallocate+0x1330/0x1614 [ 83.821396][ T5435] vfs_fallocate+0x4a4/0x5f4 [ 83.822160][ T5435] __arm64_sys_fallocate+0xc0/0x110 [ 83.822972][ T5435] invoke_syscall+0x98/0x2b8 [ 83.823639][ T5435] el0_svc_common+0x138/0x258 [ 83.824347][ T5435] do_el0_svc+0x58/0x14c [ 83.825046][ T5435] el0_svc+0x78/0x1e0 [ 83.825666][ T5435] el0t_64_sync_handler+0xcc/0xe4 [ 83.826456][ T5435] el0t_64_sync+0x1a0/0x1a4 [ 83.828558][ T5435] ------------[ cut here ]------------ [ 83.829593][ T5435] WARNING: CPU: 1 PID: 5435 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 83.830972][ T5435] Modules linked in: [ 83.831635][ T5435] CPU: 1 PID: 5435 Comm: syz.0.35 Tainted: G W syzkaller #0 [ 83.832881][ T5435] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 83.834333][ T5435] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 83.835386][ T5435] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 83.836274][ T5435] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 83.837260][ T5435] sp : ffff800021487640 [ 83.837884][ T5435] x29: ffff800021487760 x28: 000000000000cfff x27: 0000000000000000 [ 83.839048][ T5435] x26: dfff800000000000 x25: ffff0000d1aa4000 x24: ffff0000ed0889d0 [ 83.840402][ T5435] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000defeac08 [ 83.841575][ T5435] x20: ffff0000defeabb0 x19: 1fffe0001bdfd581 x18: 0000000000000001 [ 83.842648][ T5435] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 83.843774][ T5435] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 83.844843][ T5435] x11: 0000000000000000 x10: 0000000000000000 x9 : 59a9280664391300 [ 83.846108][ T5435] x8 : 59a9280664391300 x7 : 0000000000000001 x6 : 0000000000000001 [ 83.847367][ T5435] x5 : ffff800021486f38 x4 : ffff80001425f420 x3 : ffff800008504400 [ 83.848639][ T5435] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 83.849963][ T5435] Call trace: [ 83.850510][ T5435] btrfs_replace_file_extents+0xcc4/0x1290 [ 83.851464][ T5435] __btrfs_prealloc_file_range+0x390/0xb88 [ 83.852470][ T5435] btrfs_prealloc_file_range+0x60/0x7c [ 83.853334][ T5435] btrfs_fallocate+0x1330/0x1614 [ 83.854138][ T5435] vfs_fallocate+0x4a4/0x5f4 [ 83.854856][ T5435] __arm64_sys_fallocate+0xc0/0x110 [ 83.855645][ T5435] invoke_syscall+0x98/0x2b8 [ 83.856335][ T5435] el0_svc_common+0x138/0x258 [ 83.857006][ T5435] do_el0_svc+0x58/0x14c [ 83.857647][ T5435] el0_svc+0x78/0x1e0 [ 83.858286][ T5435] el0t_64_sync_handler+0xcc/0xe4 [ 83.859111][ T5435] el0t_64_sync+0x1a0/0x1a4 [ 83.859853][ T5435] irq event stamp: 81326 [ 83.860492][ T5435] hardirqs last enabled at (81325): [] __up_console_sem+0xb4/0x100 [ 83.861975][ T5435] hardirqs last disabled at (81326): [] el1_dbg+0x24/0x80 [ 83.863303][ T5435] softirqs last enabled at (81316): [] handle_softirqs+0xa4c/0xbf0 [ 83.864635][ T5435] softirqs last disabled at (81305): [] __irq_exit_rcu+0x240/0x440 [ 83.866061][ T5435] ---[ end trace b3a60e1bb2d4d101 ]--- [ 83.868701][ T5435] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 83.870169][ T5435] BTRFS info (device loop0): forced readonly [ 84.008759][ T5457] loop0: detected capacity change from 0 to 32768 [ 84.103668][ T5457] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.36 (5457) [ 84.108729][ T5457] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 84.110797][ T5457] BTRFS info (device loop0): using free space tree [ 84.112099][ T5457] BTRFS info (device loop0): has skinny extents [ 84.136238][ T5457] BTRFS info (device loop0): enabling ssd optimizations [ 84.140560][ T5457] FAULT_INJECTION: forcing a failure. [ 84.140560][ T5457] name failslab, interval 1, probability 0, space 0, times 0 [ 84.142597][ T5457] CPU: 1 PID: 5457 Comm: syz.0.36 Tainted: G W syzkaller #0 [ 84.143825][ T5457] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 84.145284][ T5457] Call trace: [ 84.145757][ T5457] dump_backtrace+0x0/0x43c [ 84.146464][ T5457] show_stack+0x2c/0x3c [ 84.147117][ T5457] __dump_stack+0x30/0x40 [ 84.147797][ T5457] dump_stack_lvl+0xf8/0x160 [ 84.148480][ T5457] dump_stack+0x1c/0x5c [ 84.149065][ T5457] should_fail+0x3c0/0x51c [ 84.149781][ T5457] __should_failslab+0xbc/0x10c [ 84.150615][ T5457] should_failslab+0x10/0x28 [ 84.151343][ T5457] slab_pre_alloc_hook+0x64/0xec [ 84.152126][ T5457] kmem_cache_alloc+0x94/0x3e4 [ 84.152893][ T5457] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 84.153822][ T5457] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 84.154836][ T5457] btrfs_insert_replace_extent+0x7e4/0x970 [ 84.155791][ T5457] btrfs_replace_file_extents+0xa68/0x1290 [ 84.156743][ T5457] __btrfs_prealloc_file_range+0x390/0xb88 [ 84.157667][ T5457] btrfs_prealloc_file_range+0x60/0x7c [ 84.158516][ T5457] btrfs_fallocate+0x1330/0x1614 [ 84.159272][ T5457] vfs_fallocate+0x4a4/0x5f4 [ 84.160041][ T5457] __arm64_sys_fallocate+0xc0/0x110 [ 84.160849][ T5457] invoke_syscall+0x98/0x2b8 [ 84.161615][ T5457] el0_svc_common+0x138/0x258 [ 84.162334][ T5457] do_el0_svc+0x58/0x14c [ 84.163046][ T5457] el0_svc+0x78/0x1e0 [ 84.163658][ T5457] el0t_64_sync_handler+0xcc/0xe4 [ 84.164403][ T5457] el0t_64_sync+0x1a0/0x1a4 [ 84.167955][ T5457] ------------[ cut here ]------------ [ 84.168841][ T5457] WARNING: CPU: 1 PID: 5457 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 84.170422][ T5457] Modules linked in: [ 84.171022][ T5457] CPU: 1 PID: 5457 Comm: syz.0.36 Tainted: G W syzkaller #0 [ 84.172420][ T5457] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 84.173982][ T5457] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 84.175256][ T5457] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 84.176161][ T5457] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 84.177144][ T5457] sp : ffff800021487640 [ 84.177759][ T5457] x29: ffff800021487760 x28: 000000000000cfff x27: 0000000000000000 [ 84.179059][ T5457] x26: dfff800000000000 x25: ffff0000c97e2000 x24: ffff0000ed08a740 [ 84.180347][ T5457] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000defead68 [ 84.181472][ T5457] x20: ffff0000defead10 x19: 1fffe0001bdfd5ad x18: 0000000000000001 [ 84.182805][ T5457] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 84.184082][ T5457] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 84.185455][ T5457] x11: 0000000000000000 x10: 0000000000000000 x9 : 7a9492077c50ab00 [ 84.186772][ T5457] x8 : 7a9492077c50ab00 x7 : 0000000000000001 x6 : 0000000000000001 [ 84.188157][ T5457] x5 : ffff800021486f38 x4 : ffff80001425f420 x3 : ffff800008504400 [ 84.189456][ T5457] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 84.190751][ T5457] Call trace: [ 84.191249][ T5457] btrfs_replace_file_extents+0xcc4/0x1290 [ 84.192081][ T5457] __btrfs_prealloc_file_range+0x390/0xb88 [ 84.192988][ T5457] btrfs_prealloc_file_range+0x60/0x7c [ 84.193930][ T5457] btrfs_fallocate+0x1330/0x1614 [ 84.194704][ T5457] vfs_fallocate+0x4a4/0x5f4 [ 84.195494][ T5457] __arm64_sys_fallocate+0xc0/0x110 [ 84.196378][ T5457] invoke_syscall+0x98/0x2b8 [ 84.197151][ T5457] el0_svc_common+0x138/0x258 [ 84.197909][ T5457] do_el0_svc+0x58/0x14c [ 84.198576][ T5457] el0_svc+0x78/0x1e0 [ 84.199145][ T5457] el0t_64_sync_handler+0xcc/0xe4 [ 84.199852][ T5457] el0t_64_sync+0x1a0/0x1a4 [ 84.200538][ T5457] irq event stamp: 80804 [ 84.201157][ T5457] hardirqs last enabled at (80803): [] __up_console_sem+0xb4/0x100 [ 84.202735][ T5457] hardirqs last disabled at (80804): [] el1_dbg+0x24/0x80 [ 84.204185][ T5457] softirqs last enabled at (80780): [] handle_softirqs+0xa4c/0xbf0 [ 84.205701][ T5457] softirqs last disabled at (80673): [] __irq_exit_rcu+0x240/0x440 [ 84.207156][ T5457] ---[ end trace b3a60e1bb2d4d102 ]--- [ 84.210864][ T5457] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 84.212411][ T5457] BTRFS info (device loop0): forced readonly [ 84.436410][ T5479] loop0: detected capacity change from 0 to 32768 [ 84.482232][ T5479] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.37 (5479) [ 84.485955][ T5479] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 84.487410][ T5479] BTRFS info (device loop0): using free space tree [ 84.488456][ T5479] BTRFS info (device loop0): has skinny extents [ 84.495939][ T5479] BTRFS info (device loop0): enabling ssd optimizations [ 84.499730][ T5479] FAULT_INJECTION: forcing a failure. [ 84.499730][ T5479] name failslab, interval 1, probability 0, space 0, times 0 [ 84.501835][ T5479] CPU: 1 PID: 5479 Comm: syz.0.37 Tainted: G W syzkaller #0 [ 84.503139][ T5479] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 84.504772][ T5479] Call trace: [ 84.505253][ T5479] dump_backtrace+0x0/0x43c [ 84.505997][ T5479] show_stack+0x2c/0x3c [ 84.506663][ T5479] __dump_stack+0x30/0x40 [ 84.507309][ T5479] dump_stack_lvl+0xf8/0x160 [ 84.508033][ T5479] dump_stack+0x1c/0x5c [ 84.508700][ T5479] should_fail+0x3c0/0x51c [ 84.509406][ T5479] __should_failslab+0xbc/0x10c [ 84.510191][ T5479] should_failslab+0x10/0x28 [ 84.510968][ T5479] slab_pre_alloc_hook+0x64/0xec [ 84.511820][ T5479] kmem_cache_alloc+0x94/0x3e4 [ 84.512626][ T5479] btrfs_add_delayed_data_ref+0x164/0xd0c [ 84.513551][ T5479] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 84.514564][ T5479] btrfs_insert_replace_extent+0x7e4/0x970 [ 84.515481][ T5479] btrfs_replace_file_extents+0xa68/0x1290 [ 84.516246][ T5479] __btrfs_prealloc_file_range+0x390/0xb88 [ 84.517167][ T5479] btrfs_prealloc_file_range+0x60/0x7c [ 84.517976][ T5479] btrfs_fallocate+0x1330/0x1614 [ 84.518689][ T5479] vfs_fallocate+0x4a4/0x5f4 [ 84.519374][ T5479] __arm64_sys_fallocate+0xc0/0x110 [ 84.520108][ T5479] invoke_syscall+0x98/0x2b8 [ 84.520766][ T5479] el0_svc_common+0x138/0x258 [ 84.521479][ T5479] do_el0_svc+0x58/0x14c [ 84.522126][ T5479] el0_svc+0x78/0x1e0 [ 84.522705][ T5479] el0t_64_sync_handler+0xcc/0xe4 [ 84.523529][ T5479] el0t_64_sync+0x1a0/0x1a4 [ 84.524802][ T5479] ------------[ cut here ]------------ [ 84.525721][ T5479] WARNING: CPU: 1 PID: 5479 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 84.527272][ T5479] Modules linked in: [ 84.527848][ T5479] CPU: 1 PID: 5479 Comm: syz.0.37 Tainted: G W syzkaller #0 [ 84.529242][ T5479] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 84.530932][ T5479] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 84.532153][ T5479] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 84.533129][ T5479] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 84.534212][ T5479] sp : ffff8000217b7640 [ 84.534887][ T5479] x29: ffff8000217b7760 x28: 000000000000cfff x27: 0000000000000000 [ 84.536148][ T5479] x26: dfff800000000000 x25: ffff0000ef570000 x24: ffff0000e3289d70 [ 84.537467][ T5479] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000defeaec8 [ 84.538769][ T5479] x20: ffff0000defeae70 x19: 1fffe0001bdfd5d9 x18: 0000000000000001 [ 84.540001][ T5479] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 84.541152][ T5479] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 84.542386][ T5479] x11: 0000000000000000 x10: 0000000000000000 x9 : 2c7ebcbcd85b2800 [ 84.543664][ T5479] x8 : 2c7ebcbcd85b2800 x7 : 0000000000000001 x6 : 0000000000000001 [ 84.545033][ T5479] x5 : ffff8000217b6f38 x4 : ffff80001425f420 x3 : ffff800008504400 [ 84.546379][ T5479] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 84.547724][ T5479] Call trace: [ 84.548284][ T5479] btrfs_replace_file_extents+0xcc4/0x1290 [ 84.549219][ T5479] __btrfs_prealloc_file_range+0x390/0xb88 [ 84.550118][ T5479] btrfs_prealloc_file_range+0x60/0x7c [ 84.551015][ T5479] btrfs_fallocate+0x1330/0x1614 [ 84.551833][ T5479] vfs_fallocate+0x4a4/0x5f4 [ 84.552544][ T5479] __arm64_sys_fallocate+0xc0/0x110 [ 84.553356][ T5479] invoke_syscall+0x98/0x2b8 [ 84.554055][ T5479] el0_svc_common+0x138/0x258 [ 84.554774][ T5479] do_el0_svc+0x58/0x14c [ 84.555425][ T5479] el0_svc+0x78/0x1e0 [ 84.556002][ T5479] el0t_64_sync_handler+0xcc/0xe4 [ 84.556723][ T5479] el0t_64_sync+0x1a0/0x1a4 [ 84.557411][ T5479] irq event stamp: 79740 [ 84.558080][ T5479] hardirqs last enabled at (79739): [] __up_console_sem+0xb4/0x100 [ 84.559687][ T5479] hardirqs last disabled at (79740): [] el1_dbg+0x24/0x80 [ 84.561053][ T5479] softirqs last enabled at (79720): [] handle_softirqs+0xa4c/0xbf0 [ 84.562545][ T5479] softirqs last disabled at (79615): [] __irq_exit_rcu+0x240/0x440 [ 84.564137][ T5479] ---[ end trace b3a60e1bb2d4d103 ]--- [ 84.565266][ T5479] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 84.566774][ T5479] BTRFS info (device loop0): forced readonly [ 84.704880][ T5501] loop0: detected capacity change from 0 to 32768 [ 84.712573][ T5501] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.38 (5501) [ 84.717722][ T5501] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 84.719066][ T5501] BTRFS info (device loop0): using free space tree [ 84.720260][ T5501] BTRFS info (device loop0): has skinny extents [ 84.739074][ T5501] BTRFS info (device loop0): enabling ssd optimizations [ 84.743239][ T5501] FAULT_INJECTION: forcing a failure. [ 84.743239][ T5501] name failslab, interval 1, probability 0, space 0, times 0 [ 84.745191][ T5501] CPU: 1 PID: 5501 Comm: syz.0.38 Tainted: G W syzkaller #0 [ 84.746399][ T5501] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 84.747843][ T5501] Call trace: [ 84.748308][ T5501] dump_backtrace+0x0/0x43c [ 84.749006][ T5501] show_stack+0x2c/0x3c [ 84.749627][ T5501] __dump_stack+0x30/0x40 [ 84.750326][ T5501] dump_stack_lvl+0xf8/0x160 [ 84.751015][ T5501] dump_stack+0x1c/0x5c [ 84.751643][ T5501] should_fail+0x3c0/0x51c [ 84.752353][ T5501] __should_failslab+0xbc/0x10c [ 84.753114][ T5501] should_failslab+0x10/0x28 [ 84.753832][ T5501] slab_pre_alloc_hook+0x64/0xec [ 84.754589][ T5501] kmem_cache_alloc+0x94/0x3e4 [ 84.755326][ T5501] btrfs_add_delayed_data_ref+0x164/0xd0c [ 84.756217][ T5501] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 84.757190][ T5501] btrfs_insert_replace_extent+0x7e4/0x970 [ 84.758010][ T5501] btrfs_replace_file_extents+0xa68/0x1290 [ 84.758884][ T5501] __btrfs_prealloc_file_range+0x390/0xb88 [ 84.759709][ T5501] btrfs_prealloc_file_range+0x60/0x7c [ 84.760480][ T5501] btrfs_fallocate+0x1330/0x1614 [ 84.761321][ T5501] vfs_fallocate+0x4a4/0x5f4 [ 84.762075][ T5501] __arm64_sys_fallocate+0xc0/0x110 [ 84.762873][ T5501] invoke_syscall+0x98/0x2b8 [ 84.763665][ T5501] el0_svc_common+0x138/0x258 [ 84.764455][ T5501] do_el0_svc+0x58/0x14c [ 84.765169][ T5501] el0_svc+0x78/0x1e0 [ 84.765787][ T5501] el0t_64_sync_handler+0xcc/0xe4 [ 84.766606][ T5501] el0t_64_sync+0x1a0/0x1a4 [ 84.767837][ T5501] ------------[ cut here ]------------ [ 84.768789][ T5501] WARNING: CPU: 1 PID: 5501 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 84.770309][ T5501] Modules linked in: [ 84.770903][ T5501] CPU: 1 PID: 5501 Comm: syz.0.38 Tainted: G W syzkaller #0 [ 84.772291][ T5501] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 84.773877][ T5501] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 84.775005][ T5501] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 84.776051][ T5501] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 84.777012][ T5501] sp : ffff8000217b7640 [ 84.777691][ T5501] x29: ffff8000217b7760 x28: 000000000000cfff x27: 0000000000000000 [ 84.778968][ T5501] x26: dfff800000000000 x25: ffff0000d94ac000 x24: ffff0000ed08c4b0 [ 84.780165][ T5501] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000defea738 [ 84.781537][ T5501] x20: ffff0000defea6e0 x19: 1fffe0001bdfd4e7 x18: 0000000000000001 [ 84.782869][ T5501] x17: 0000000000000000 x16: ffff800008302168 x15: 00000000ffffffff [ 84.784156][ T5501] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 84.785449][ T5501] x11: 0000000000000000 x10: 0000000000000000 x9 : f7d27657afddd900 [ 84.786733][ T5501] x8 : f7d27657afddd900 x7 : 0000000000000001 x6 : 0000000000000001 [ 84.788088][ T5501] x5 : ffff8000217b6f38 x4 : ffff80001425f420 x3 : ffff800008302278 [ 84.789423][ T5501] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 84.790744][ T5501] Call trace: [ 84.791271][ T5501] btrfs_replace_file_extents+0xcc4/0x1290 [ 84.792256][ T5501] __btrfs_prealloc_file_range+0x390/0xb88 [ 84.793165][ T5501] btrfs_prealloc_file_range+0x60/0x7c [ 84.793998][ T5501] btrfs_fallocate+0x1330/0x1614 [ 84.794765][ T5501] vfs_fallocate+0x4a4/0x5f4 [ 84.795550][ T5501] __arm64_sys_fallocate+0xc0/0x110 [ 84.796442][ T5501] invoke_syscall+0x98/0x2b8 [ 84.797156][ T5501] el0_svc_common+0x138/0x258 [ 84.797911][ T5501] do_el0_svc+0x58/0x14c [ 84.798599][ T5501] el0_svc+0x78/0x1e0 [ 84.799209][ T5501] el0t_64_sync_handler+0xcc/0xe4 [ 84.800039][ T5501] el0t_64_sync+0x1a0/0x1a4 [ 84.800723][ T5501] irq event stamp: 79744 [ 84.801365][ T5501] hardirqs last enabled at (79743): [] __up_console_sem+0xb4/0x100 [ 84.802879][ T5501] hardirqs last disabled at (79744): [] el1_dbg+0x24/0x80 [ 84.804220][ T5501] softirqs last enabled at (79724): [] handle_softirqs+0xa4c/0xbf0 [ 84.805712][ T5501] softirqs last disabled at (79705): [] __irq_exit_rcu+0x240/0x440 [ 84.807186][ T5501] ---[ end trace b3a60e1bb2d4d104 ]--- [ 84.808724][ T5501] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 84.810346][ T5501] BTRFS info (device loop0): forced readonly [ 84.995983][ T5523] loop0: detected capacity change from 0 to 32768 [ 85.030510][ T5523] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.39 (5523) [ 85.033768][ T5523] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 85.035215][ T5523] BTRFS info (device loop0): using free space tree [ 85.036311][ T5523] BTRFS info (device loop0): has skinny extents [ 85.046838][ T5523] BTRFS info (device loop0): enabling ssd optimizations [ 85.055408][ T5523] FAULT_INJECTION: forcing a failure. [ 85.055408][ T5523] name failslab, interval 1, probability 0, space 0, times 0 [ 85.057476][ T5523] CPU: 0 PID: 5523 Comm: syz.0.39 Tainted: G W syzkaller #0 [ 85.058896][ T5523] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 85.060555][ T5523] Call trace: [ 85.061027][ T5523] dump_backtrace+0x0/0x43c [ 85.061703][ T5523] show_stack+0x2c/0x3c [ 85.062315][ T5523] __dump_stack+0x30/0x40 [ 85.063024][ T5523] dump_stack_lvl+0xf8/0x160 [ 85.063720][ T5523] dump_stack+0x1c/0x5c [ 85.064434][ T5523] should_fail+0x3c0/0x51c [ 85.065180][ T5523] __should_failslab+0xbc/0x10c [ 85.065980][ T5523] should_failslab+0x10/0x28 [ 85.066702][ T5523] slab_pre_alloc_hook+0x64/0xec [ 85.067450][ T5523] kmem_cache_alloc+0x94/0x3e4 [ 85.068175][ T5523] btrfs_add_delayed_data_ref+0x164/0xd0c [ 85.069043][ T5523] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 85.070071][ T5523] btrfs_insert_replace_extent+0x7e4/0x970 [ 85.071027][ T5523] btrfs_replace_file_extents+0xa68/0x1290 [ 85.071897][ T5523] __btrfs_prealloc_file_range+0x390/0xb88 [ 85.072755][ T5523] btrfs_prealloc_file_range+0x60/0x7c [ 85.073507][ T5523] btrfs_fallocate+0x1330/0x1614 [ 85.074238][ T5523] vfs_fallocate+0x4a4/0x5f4 [ 85.074954][ T5523] __arm64_sys_fallocate+0xc0/0x110 [ 85.075764][ T5523] invoke_syscall+0x98/0x2b8 [ 85.076431][ T5523] el0_svc_common+0x138/0x258 [ 85.077103][ T5523] do_el0_svc+0x58/0x14c [ 85.077708][ T5523] el0_svc+0x78/0x1e0 [ 85.078278][ T5523] el0t_64_sync_handler+0xcc/0xe4 [ 85.078978][ T5523] el0t_64_sync+0x1a0/0x1a4 [ 85.082238][ T5523] ------------[ cut here ]------------ [ 85.083254][ T5523] WARNING: CPU: 0 PID: 5523 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 85.084824][ T5523] Modules linked in: [ 85.085414][ T5523] CPU: 0 PID: 5523 Comm: syz.0.39 Tainted: G W syzkaller #0 [ 85.086809][ T5523] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 85.088293][ T5523] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 85.089471][ T5523] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 85.090468][ T5523] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 85.091443][ T5523] sp : ffff8000219b7640 [ 85.092066][ T5523] x29: ffff8000219b7760 x28: 000000000000cfff x27: 0000000000000000 [ 85.093275][ T5523] x26: dfff800000000000 x25: ffff0000c1ba4000 x24: ffff0000e328b110 [ 85.094493][ T5523] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000deea2aa8 [ 85.095688][ T5523] x20: ffff0000deea2a50 x19: 1fffe0001bdd4555 x18: 0000000000000001 [ 85.096856][ T5523] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 85.098003][ T5523] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 85.099095][ T5523] x11: 0000000000000000 x10: 0000000000000000 x9 : 9313c2d43d2a7300 [ 85.100347][ T5523] x8 : 9313c2d43d2a7300 x7 : 0000000000000001 x6 : 0000000000000001 [ 85.101632][ T5523] x5 : ffff8000219b6f38 x4 : ffff80001425f420 x3 : ffff800008504400 [ 85.102905][ T5523] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 85.104095][ T5523] Call trace: [ 85.104627][ T5523] btrfs_replace_file_extents+0xcc4/0x1290 [ 85.105511][ T5523] __btrfs_prealloc_file_range+0x390/0xb88 [ 85.106369][ T5523] btrfs_prealloc_file_range+0x60/0x7c [ 85.107199][ T5523] btrfs_fallocate+0x1330/0x1614 [ 85.107913][ T5523] vfs_fallocate+0x4a4/0x5f4 [ 85.108593][ T5523] __arm64_sys_fallocate+0xc0/0x110 [ 85.109370][ T5523] invoke_syscall+0x98/0x2b8 [ 85.110015][ T5523] el0_svc_common+0x138/0x258 [ 85.110689][ T5523] do_el0_svc+0x58/0x14c [ 85.111379][ T5523] el0_svc+0x78/0x1e0 [ 85.112036][ T5523] el0t_64_sync_handler+0xcc/0xe4 [ 85.112809][ T5523] el0t_64_sync+0x1a0/0x1a4 [ 85.113548][ T5523] irq event stamp: 79516 [ 85.114182][ T5523] hardirqs last enabled at (79515): [] __up_console_sem+0xb4/0x100 [ 85.115793][ T5523] hardirqs last disabled at (79516): [] el1_dbg+0x24/0x80 [ 85.117268][ T5523] softirqs last enabled at (79496): [] handle_softirqs+0xa4c/0xbf0 [ 85.118800][ T5523] softirqs last disabled at (79483): [] __irq_exit_rcu+0x240/0x440 [ 85.120274][ T5523] ---[ end trace b3a60e1bb2d4d105 ]--- [ 85.125284][ T5523] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 85.126874][ T5523] BTRFS info (device loop0): forced readonly [ 85.265466][ T5545] loop0: detected capacity change from 0 to 32768 [ 85.363429][ T5545] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.40 (5545) [ 85.367748][ T5545] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 85.369704][ T5545] BTRFS info (device loop0): using free space tree [ 85.370719][ T5545] BTRFS info (device loop0): has skinny extents [ 85.378149][ T5545] BTRFS info (device loop0): enabling ssd optimizations [ 85.382574][ T5545] FAULT_INJECTION: forcing a failure. [ 85.382574][ T5545] name failslab, interval 1, probability 0, space 0, times 0 [ 85.384521][ T5545] CPU: 0 PID: 5545 Comm: syz.0.40 Tainted: G W syzkaller #0 [ 85.385929][ T5545] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 85.387561][ T5545] Call trace: [ 85.388101][ T5545] dump_backtrace+0x0/0x43c [ 85.388805][ T5545] show_stack+0x2c/0x3c [ 85.389464][ T5545] __dump_stack+0x30/0x40 [ 85.390148][ T5545] dump_stack_lvl+0xf8/0x160 [ 85.390871][ T5545] dump_stack+0x1c/0x5c [ 85.391555][ T5545] should_fail+0x3c0/0x51c [ 85.392256][ T5545] __should_failslab+0xbc/0x10c [ 85.393066][ T5545] should_failslab+0x10/0x28 [ 85.393815][ T5545] slab_pre_alloc_hook+0x64/0xec [ 85.394575][ T5545] kmem_cache_alloc+0x94/0x3e4 [ 85.395269][ T5545] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 85.396208][ T5545] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 85.397181][ T5545] btrfs_insert_replace_extent+0x7e4/0x970 [ 85.398088][ T5545] btrfs_replace_file_extents+0xa68/0x1290 [ 85.398979][ T5545] __btrfs_prealloc_file_range+0x390/0xb88 [ 85.399925][ T5545] btrfs_prealloc_file_range+0x60/0x7c [ 85.400759][ T5545] btrfs_fallocate+0x1330/0x1614 [ 85.401558][ T5545] vfs_fallocate+0x4a4/0x5f4 [ 85.402288][ T5545] __arm64_sys_fallocate+0xc0/0x110 [ 85.403151][ T5545] invoke_syscall+0x98/0x2b8 [ 85.403839][ T5545] el0_svc_common+0x138/0x258 [ 85.404601][ T5545] do_el0_svc+0x58/0x14c [ 85.405277][ T5545] el0_svc+0x78/0x1e0 [ 85.405854][ T5545] el0t_64_sync_handler+0xcc/0xe4 [ 85.406586][ T5545] el0t_64_sync+0x1a0/0x1a4 [ 85.409268][ T5545] ------------[ cut here ]------------ [ 85.410284][ T5545] WARNING: CPU: 1 PID: 5545 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 85.411842][ T5545] Modules linked in: [ 85.412489][ T5545] CPU: 1 PID: 5545 Comm: syz.0.40 Tainted: G W syzkaller #0 [ 85.413780][ T5545] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 85.415250][ T5545] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 85.416372][ T5545] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 85.417230][ T5545] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 85.418168][ T5545] sp : ffff8000219b7640 [ 85.418817][ T5545] x29: ffff8000219b7760 x28: 000000000000cfff x27: 0000000000000000 [ 85.420119][ T5545] x26: dfff800000000000 x25: ffff0000dacc6000 x24: ffff0000e32889d0 [ 85.421447][ T5545] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000deea2478 [ 85.422698][ T5545] x20: ffff0000deea2420 x19: 1fffe0001bdd448f x18: 0000000000000001 [ 85.423980][ T5545] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 85.425331][ T5545] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 85.426680][ T5545] x11: 0000000000000000 x10: 0000000000000000 x9 : d0f0adcdad95c800 [ 85.427883][ T5545] x8 : d0f0adcdad95c800 x7 : 0000000000000001 x6 : 0000000000000001 [ 85.429240][ T5545] x5 : ffff8000219b6f38 x4 : ffff80001425f420 x3 : ffff800008504400 [ 85.430542][ T5545] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 85.431793][ T5545] Call trace: [ 85.432305][ T5545] btrfs_replace_file_extents+0xcc4/0x1290 [ 85.433204][ T5545] __btrfs_prealloc_file_range+0x390/0xb88 [ 85.434177][ T5545] btrfs_prealloc_file_range+0x60/0x7c [ 85.435034][ T5545] btrfs_fallocate+0x1330/0x1614 [ 85.435816][ T5545] vfs_fallocate+0x4a4/0x5f4 [ 85.436580][ T5545] __arm64_sys_fallocate+0xc0/0x110 [ 85.437370][ T5545] invoke_syscall+0x98/0x2b8 [ 85.438106][ T5545] el0_svc_common+0x138/0x258 [ 85.438802][ T5545] do_el0_svc+0x58/0x14c [ 85.439426][ T5545] el0_svc+0x78/0x1e0 [ 85.440039][ T5545] el0t_64_sync_handler+0xcc/0xe4 [ 85.440834][ T5545] el0t_64_sync+0x1a0/0x1a4 [ 85.441506][ T5545] irq event stamp: 79516 [ 85.442143][ T5545] hardirqs last enabled at (79515): [] __up_console_sem+0xb4/0x100 [ 85.443566][ T5545] hardirqs last disabled at (79516): [] el1_dbg+0x24/0x80 [ 85.445043][ T5545] softirqs last enabled at (79492): [] handle_softirqs+0xa4c/0xbf0 [ 85.446600][ T5545] softirqs last disabled at (79479): [] __irq_exit_rcu+0x240/0x440 [ 85.448049][ T5545] ---[ end trace b3a60e1bb2d4d106 ]--- [ 85.449291][ T5545] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 85.450735][ T5545] BTRFS info (device loop0): forced readonly [ 85.586672][ T5567] loop0: detected capacity change from 0 to 32768 [ 85.660666][ T5567] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.41 (5567) [ 85.663943][ T5567] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 85.665355][ T5567] BTRFS info (device loop0): using free space tree [ 85.666451][ T5567] BTRFS info (device loop0): has skinny extents [ 85.694534][ T5567] BTRFS info (device loop0): enabling ssd optimizations [ 85.698055][ T5567] FAULT_INJECTION: forcing a failure. [ 85.698055][ T5567] name failslab, interval 1, probability 0, space 0, times 0 [ 85.700941][ T5567] CPU: 0 PID: 5567 Comm: syz.0.41 Tainted: G W syzkaller #0 [ 85.702273][ T5567] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 85.703841][ T5567] Call trace: [ 85.704339][ T5567] dump_backtrace+0x0/0x43c [ 85.705038][ T5567] show_stack+0x2c/0x3c [ 85.705673][ T5567] __dump_stack+0x30/0x40 [ 85.706308][ T5567] dump_stack_lvl+0xf8/0x160 [ 85.707041][ T5567] dump_stack+0x1c/0x5c [ 85.707651][ T5567] should_fail+0x3c0/0x51c [ 85.708375][ T5567] __should_failslab+0xbc/0x10c [ 85.709155][ T5567] should_failslab+0x10/0x28 [ 85.709902][ T5567] slab_pre_alloc_hook+0x64/0xec [ 85.710709][ T5567] kmem_cache_alloc+0x94/0x3e4 [ 85.711503][ T5567] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 85.712480][ T5567] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 85.713456][ T5567] btrfs_insert_replace_extent+0x7e4/0x970 [ 85.714371][ T5567] btrfs_replace_file_extents+0xa68/0x1290 [ 85.715342][ T5567] __btrfs_prealloc_file_range+0x390/0xb88 [ 85.716252][ T5567] btrfs_prealloc_file_range+0x60/0x7c [ 85.717142][ T5567] btrfs_fallocate+0x1330/0x1614 [ 85.717897][ T5567] vfs_fallocate+0x4a4/0x5f4 [ 85.718651][ T5567] __arm64_sys_fallocate+0xc0/0x110 [ 85.719502][ T5567] invoke_syscall+0x98/0x2b8 [ 85.720243][ T5567] el0_svc_common+0x138/0x258 [ 85.720998][ T5567] do_el0_svc+0x58/0x14c [ 85.721653][ T5567] el0_svc+0x78/0x1e0 [ 85.722258][ T5567] el0t_64_sync_handler+0xcc/0xe4 [ 85.723074][ T5567] el0t_64_sync+0x1a0/0x1a4 [ 85.725779][ T5567] ------------[ cut here ]------------ [ 85.726744][ T5567] WARNING: CPU: 0 PID: 5567 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 85.728211][ T5567] Modules linked in: [ 85.728753][ T5567] CPU: 0 PID: 5567 Comm: syz.0.41 Tainted: G W syzkaller #0 [ 85.730046][ T5567] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 85.731490][ T5567] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 85.732665][ T5567] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 85.733587][ T5567] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 85.734485][ T5567] sp : ffff8000219b7640 [ 85.735048][ T5567] x29: ffff8000219b7760 x28: 000000000000cfff x27: 0000000000000000 [ 85.736220][ T5567] x26: dfff800000000000 x25: ffff0000d7f66000 x24: ffff0000e328ce80 [ 85.737296][ T5567] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000deea2318 [ 85.738409][ T5567] x20: ffff0000deea22c0 x19: 1fffe0001bdd4463 x18: 0000000000000001 [ 85.739532][ T5567] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 85.740633][ T5567] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 85.742003][ T5567] x11: 0000000000000000 x10: 0000000000000000 x9 : 68f235ee5dfd2f00 [ 85.743308][ T5567] x8 : 68f235ee5dfd2f00 x7 : 0000000000000001 x6 : 0000000000000001 [ 85.744501][ T5567] x5 : ffff8000219b6f38 x4 : ffff80001425f420 x3 : ffff800008504400 [ 85.745663][ T5567] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 85.746920][ T5567] Call trace: [ 85.747404][ T5567] btrfs_replace_file_extents+0xcc4/0x1290 [ 85.748280][ T5567] __btrfs_prealloc_file_range+0x390/0xb88 [ 85.749174][ T5567] btrfs_prealloc_file_range+0x60/0x7c [ 85.749984][ T5567] btrfs_fallocate+0x1330/0x1614 [ 85.750724][ T5567] vfs_fallocate+0x4a4/0x5f4 [ 85.751419][ T5567] __arm64_sys_fallocate+0xc0/0x110 [ 85.752130][ T5567] invoke_syscall+0x98/0x2b8 [ 85.752725][ T5567] el0_svc_common+0x138/0x258 [ 85.753462][ T5567] do_el0_svc+0x58/0x14c [ 85.754084][ T5567] el0_svc+0x78/0x1e0 [ 85.754665][ T5567] el0t_64_sync_handler+0xcc/0xe4 [ 85.755397][ T5567] el0t_64_sync+0x1a0/0x1a4 [ 85.756080][ T5567] irq event stamp: 79334 [ 85.756690][ T5567] hardirqs last enabled at (79333): [] __up_console_sem+0xb4/0x100 [ 85.758169][ T5567] hardirqs last disabled at (79334): [] el1_dbg+0x24/0x80 [ 85.759505][ T5567] softirqs last enabled at (79310): [] handle_softirqs+0xa4c/0xbf0 [ 85.760976][ T5567] softirqs last disabled at (79211): [] __irq_exit_rcu+0x240/0x440 [ 85.762402][ T5567] ---[ end trace b3a60e1bb2d4d107 ]--- [ 85.765746][ T5567] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 85.767355][ T5567] BTRFS info (device loop0): forced readonly [ 85.945667][ T5589] loop0: detected capacity change from 0 to 32768 [ 85.990412][ T5589] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.42 (5589) [ 85.995151][ T5589] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 85.996461][ T5589] BTRFS info (device loop0): using free space tree [ 85.997379][ T5589] BTRFS info (device loop0): has skinny extents [ 86.007383][ T5589] BTRFS info (device loop0): enabling ssd optimizations [ 86.013887][ T5589] FAULT_INJECTION: forcing a failure. [ 86.013887][ T5589] name failslab, interval 1, probability 0, space 0, times 0 [ 86.015910][ T5589] CPU: 1 PID: 5589 Comm: syz.0.42 Tainted: G W syzkaller #0 [ 86.017183][ T5589] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 86.018685][ T5589] Call trace: [ 86.019193][ T5589] dump_backtrace+0x0/0x43c [ 86.019959][ T5589] show_stack+0x2c/0x3c [ 86.020631][ T5589] __dump_stack+0x30/0x40 [ 86.021298][ T5589] dump_stack_lvl+0xf8/0x160 [ 86.022030][ T5589] dump_stack+0x1c/0x5c [ 86.022692][ T5589] should_fail+0x3c0/0x51c [ 86.023370][ T5589] __should_failslab+0xbc/0x10c [ 86.024069][ T5589] should_failslab+0x10/0x28 [ 86.024770][ T5589] slab_pre_alloc_hook+0x64/0xec [ 86.025432][ T5589] kmem_cache_alloc+0x94/0x3e4 [ 86.026160][ T5589] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 86.026944][ T5589] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 86.027874][ T5589] btrfs_insert_replace_extent+0x7e4/0x970 [ 86.028818][ T5589] btrfs_replace_file_extents+0xa68/0x1290 [ 86.029644][ T5589] __btrfs_prealloc_file_range+0x390/0xb88 [ 86.030454][ T5589] btrfs_prealloc_file_range+0x60/0x7c [ 86.031234][ T5589] btrfs_fallocate+0x1330/0x1614 [ 86.031931][ T5589] vfs_fallocate+0x4a4/0x5f4 [ 86.032618][ T5589] __arm64_sys_fallocate+0xc0/0x110 [ 86.033387][ T5589] invoke_syscall+0x98/0x2b8 [ 86.034081][ T5589] el0_svc_common+0x138/0x258 [ 86.034824][ T5589] do_el0_svc+0x58/0x14c [ 86.035473][ T5589] el0_svc+0x78/0x1e0 [ 86.036095][ T5589] el0t_64_sync_handler+0xcc/0xe4 [ 86.036922][ T5589] el0t_64_sync+0x1a0/0x1a4 [ 86.038142][ T5589] ------------[ cut here ]------------ [ 86.039102][ T5589] WARNING: CPU: 1 PID: 5589 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 86.040697][ T5589] Modules linked in: [ 86.041296][ T5589] CPU: 1 PID: 5589 Comm: syz.0.42 Tainted: G W syzkaller #0 [ 86.042563][ T5589] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 86.044067][ T5589] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 86.045266][ T5589] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 86.046243][ T5589] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 86.047266][ T5589] sp : ffff800021d97640 [ 86.047907][ T5589] x29: ffff800021d97760 x28: 000000000000cfff x27: 0000000000000000 [ 86.049153][ T5589] x26: dfff800000000000 x25: ffff0000cd17e000 x24: ffff0000ed08ebf0 [ 86.050489][ T5589] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000defea7e8 [ 86.051771][ T5589] x20: ffff0000defea790 x19: 1fffe0001bdfd4fd x18: 0000000000000001 [ 86.053031][ T5589] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 86.054296][ T5589] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 86.055543][ T5589] x11: 0000000000000000 x10: 0000000000000000 x9 : 6585158e751f2f00 [ 86.056718][ T5589] x8 : 6585158e751f2f00 x7 : 0000000000000001 x6 : 0000000000000001 [ 86.057986][ T5589] x5 : ffff800021d96f38 x4 : ffff80001425f420 x3 : ffff80000a7280cc [ 86.059264][ T5589] x2 : ffff0001a10d4d50 x1 : 0000000100000000 x0 : 0000000000000026 [ 86.060502][ T5589] Call trace: [ 86.061014][ T5589] btrfs_replace_file_extents+0xcc4/0x1290 [ 86.061945][ T5589] __btrfs_prealloc_file_range+0x390/0xb88 [ 86.062873][ T5589] btrfs_prealloc_file_range+0x60/0x7c [ 86.063713][ T5589] btrfs_fallocate+0x1330/0x1614 [ 86.064516][ T5589] vfs_fallocate+0x4a4/0x5f4 [ 86.065250][ T5589] __arm64_sys_fallocate+0xc0/0x110 [ 86.066074][ T5589] invoke_syscall+0x98/0x2b8 [ 86.066781][ T5589] el0_svc_common+0x138/0x258 [ 86.067559][ T5589] do_el0_svc+0x58/0x14c [ 86.068220][ T5589] el0_svc+0x78/0x1e0 [ 86.068805][ T5589] el0t_64_sync_handler+0xcc/0xe4 [ 86.069573][ T5589] el0t_64_sync+0x1a0/0x1a4 [ 86.070263][ T5589] irq event stamp: 79392 [ 86.070930][ T5589] hardirqs last enabled at (79391): [] __up_console_sem+0xb4/0x100 [ 86.072547][ T5589] hardirqs last disabled at (79392): [] el1_dbg+0x24/0x80 [ 86.073914][ T5589] softirqs last enabled at (79368): [] handle_softirqs+0xa4c/0xbf0 [ 86.075331][ T5589] softirqs last disabled at (79219): [] __irq_exit_rcu+0x240/0x440 [ 86.076723][ T5589] ---[ end trace b3a60e1bb2d4d108 ]--- [ 86.077813][ T5589] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 86.079370][ T5589] BTRFS info (device loop0): forced readonly [ 86.223707][ T5611] loop0: detected capacity change from 0 to 32768 [ 86.232272][ T5611] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.43 (5611) [ 86.235832][ T5611] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 86.237172][ T5611] BTRFS info (device loop0): using free space tree [ 86.238134][ T5611] BTRFS info (device loop0): has skinny extents [ 86.249362][ T5611] BTRFS info (device loop0): enabling ssd optimizations [ 86.252680][ T5611] FAULT_INJECTION: forcing a failure. [ 86.252680][ T5611] name failslab, interval 1, probability 0, space 0, times 0 [ 86.254518][ T5611] CPU: 0 PID: 5611 Comm: syz.0.43 Tainted: G W syzkaller #0 [ 86.255747][ T5611] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 86.257132][ T5611] Call trace: [ 86.257571][ T5611] dump_backtrace+0x0/0x43c [ 86.258214][ T5611] show_stack+0x2c/0x3c [ 86.258874][ T5611] __dump_stack+0x30/0x40 [ 86.259558][ T5611] dump_stack_lvl+0xf8/0x160 [ 86.260283][ T5611] dump_stack+0x1c/0x5c [ 86.260933][ T5611] should_fail+0x3c0/0x51c [ 86.261618][ T5611] __should_failslab+0xbc/0x10c [ 86.262380][ T5611] should_failslab+0x10/0x28 [ 86.263066][ T5611] slab_pre_alloc_hook+0x64/0xec [ 86.263845][ T5611] kmem_cache_alloc+0x94/0x3e4 [ 86.264607][ T5611] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 86.265571][ T5611] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 86.266561][ T5611] btrfs_insert_replace_extent+0x7e4/0x970 [ 86.267415][ T5611] btrfs_replace_file_extents+0xa68/0x1290 [ 86.268294][ T5611] __btrfs_prealloc_file_range+0x390/0xb88 [ 86.269259][ T5611] btrfs_prealloc_file_range+0x60/0x7c [ 86.270104][ T5611] btrfs_fallocate+0x1330/0x1614 [ 86.270889][ T5611] vfs_fallocate+0x4a4/0x5f4 [ 86.271571][ T5611] __arm64_sys_fallocate+0xc0/0x110 [ 86.272345][ T5611] invoke_syscall+0x98/0x2b8 [ 86.272943][ T5611] el0_svc_common+0x138/0x258 [ 86.273724][ T5611] do_el0_svc+0x58/0x14c [ 86.274371][ T5611] el0_svc+0x78/0x1e0 [ 86.274990][ T5611] el0t_64_sync_handler+0xcc/0xe4 [ 86.275759][ T5611] el0t_64_sync+0x1a0/0x1a4 [ 86.278399][ T5611] ------------[ cut here ]------------ [ 86.279410][ T5611] WARNING: CPU: 0 PID: 5611 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 86.280947][ T5611] Modules linked in: [ 86.281525][ T5611] CPU: 0 PID: 5611 Comm: syz.0.43 Tainted: G W syzkaller #0 [ 86.282729][ T5611] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 86.284131][ T5611] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 86.285307][ T5611] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 86.286227][ T5611] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 86.287127][ T5611] sp : ffff800021ec7640 [ 86.287735][ T5611] x29: ffff800021ec7760 x28: 000000000000cfff x27: 0000000000000000 [ 86.288873][ T5611] x26: dfff800000000000 x25: ffff0000ec0b8000 x24: ffff0000e328ebf0 [ 86.290086][ T5611] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000deea2898 [ 86.291202][ T5611] x20: ffff0000deea2840 x19: 1fffe0001bdd4513 x18: 0000000000000001 [ 86.292536][ T5611] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 86.293805][ T5611] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 86.295163][ T5611] x11: 0000000000000000 x10: 0000000000000000 x9 : b398dc5064cd4a00 [ 86.296402][ T5611] x8 : b398dc5064cd4a00 x7 : 0000000000000001 x6 : 0000000000000001 [ 86.297640][ T5611] x5 : ffff800021ec6f38 x4 : ffff80001425f420 x3 : ffff800008504400 [ 86.298884][ T5611] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 86.300041][ T5611] Call trace: [ 86.300486][ T5611] btrfs_replace_file_extents+0xcc4/0x1290 [ 86.301265][ T5611] __btrfs_prealloc_file_range+0x390/0xb88 [ 86.302049][ T5611] btrfs_prealloc_file_range+0x60/0x7c [ 86.302784][ T5611] btrfs_fallocate+0x1330/0x1614 [ 86.303477][ T5611] vfs_fallocate+0x4a4/0x5f4 [ 86.304130][ T5611] __arm64_sys_fallocate+0xc0/0x110 [ 86.304958][ T5611] invoke_syscall+0x98/0x2b8 [ 86.305741][ T5611] el0_svc_common+0x138/0x258 [ 86.306535][ T5611] do_el0_svc+0x58/0x14c [ 86.307228][ T5611] el0_svc+0x78/0x1e0 [ 86.307853][ T5611] el0t_64_sync_handler+0xcc/0xe4 [ 86.308683][ T5611] el0t_64_sync+0x1a0/0x1a4 [ 86.309456][ T5611] irq event stamp: 80466 [ 86.310132][ T5611] hardirqs last enabled at (80465): [] __up_console_sem+0xb4/0x100 [ 86.311643][ T5611] hardirqs last disabled at (80466): [] el1_dbg+0x24/0x80 [ 86.312988][ T5611] softirqs last enabled at (80456): [] handle_softirqs+0xa4c/0xbf0 [ 86.314461][ T5611] softirqs last disabled at (80451): [] __irq_exit_rcu+0x240/0x440 [ 86.315771][ T5611] ---[ end trace b3a60e1bb2d4d109 ]--- [ 86.318522][ T5611] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 86.320120][ T5611] BTRFS info (device loop0): forced readonly [ 86.468831][ T5633] loop0: detected capacity change from 0 to 32768 [ 86.553931][ T5633] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.44 (5633) [ 86.557043][ T5633] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 86.558543][ T5633] BTRFS info (device loop0): using free space tree [ 86.560405][ T5633] BTRFS info (device loop0): has skinny extents [ 86.567946][ T5633] BTRFS info (device loop0): enabling ssd optimizations [ 86.572565][ T5633] FAULT_INJECTION: forcing a failure. [ 86.572565][ T5633] name failslab, interval 1, probability 0, space 0, times 0 [ 86.574507][ T5633] CPU: 1 PID: 5633 Comm: syz.0.44 Tainted: G W syzkaller #0 [ 86.575789][ T5633] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 86.577252][ T5633] Call trace: [ 86.577708][ T5633] dump_backtrace+0x0/0x43c [ 86.578351][ T5633] show_stack+0x2c/0x3c [ 86.579013][ T5633] __dump_stack+0x30/0x40 [ 86.579681][ T5633] dump_stack_lvl+0xf8/0x160 [ 86.580402][ T5633] dump_stack+0x1c/0x5c [ 86.581088][ T5633] should_fail+0x3c0/0x51c [ 86.581800][ T5633] __should_failslab+0xbc/0x10c [ 86.582587][ T5633] should_failslab+0x10/0x28 [ 86.583356][ T5633] slab_pre_alloc_hook+0x64/0xec [ 86.584150][ T5633] kmem_cache_alloc+0x94/0x3e4 [ 86.584909][ T5633] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 86.585781][ T5633] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 86.586699][ T5633] btrfs_insert_replace_extent+0x7e4/0x970 [ 86.587634][ T5633] btrfs_replace_file_extents+0xa68/0x1290 [ 86.588565][ T5633] __btrfs_prealloc_file_range+0x390/0xb88 [ 86.589454][ T5633] btrfs_prealloc_file_range+0x60/0x7c [ 86.590364][ T5633] btrfs_fallocate+0x1330/0x1614 [ 86.591209][ T5633] vfs_fallocate+0x4a4/0x5f4 [ 86.591891][ T5633] __arm64_sys_fallocate+0xc0/0x110 [ 86.592714][ T5633] invoke_syscall+0x98/0x2b8 [ 86.593430][ T5633] el0_svc_common+0x138/0x258 [ 86.594182][ T5633] do_el0_svc+0x58/0x14c [ 86.594873][ T5633] el0_svc+0x78/0x1e0 [ 86.595569][ T5633] el0t_64_sync_handler+0xcc/0xe4 [ 86.596368][ T5633] el0t_64_sync+0x1a0/0x1a4 [ 86.598196][ T5633] ------------[ cut here ]------------ [ 86.599165][ T5633] WARNING: CPU: 1 PID: 5633 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 86.600624][ T5633] Modules linked in: [ 86.601289][ T5633] CPU: 1 PID: 5633 Comm: syz.0.44 Tainted: G W syzkaller #0 [ 86.602650][ T5633] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 86.604223][ T5633] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 86.605441][ T5633] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 86.606383][ T5633] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 86.607363][ T5633] sp : ffff800021fc7640 [ 86.608018][ T5633] x29: ffff800021fc7760 x28: 000000000000cfff x27: 0000000000000000 [ 86.609347][ T5633] x26: dfff800000000000 x25: ffff0000dc388000 x24: ffff0000e32d89d0 [ 86.610700][ T5633] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000defea5d8 [ 86.611995][ T5633] x20: ffff0000defea580 x19: 1fffe0001bdfd4bb x18: 0000000000000001 [ 86.613306][ T5633] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 86.614593][ T5633] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 86.615901][ T5633] x11: 0000000000000000 x10: 0000000000000000 x9 : 4788eaa760ca9f00 [ 86.617204][ T5633] x8 : 4788eaa760ca9f00 x7 : 0000000000000001 x6 : 0000000000000001 [ 86.618471][ T5633] x5 : ffff800021fc6f38 x4 : ffff80001425f420 x3 : ffff800008504400 [ 86.619713][ T5633] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 86.620893][ T5633] Call trace: [ 86.621346][ T5633] btrfs_replace_file_extents+0xcc4/0x1290 [ 86.622185][ T5633] __btrfs_prealloc_file_range+0x390/0xb88 [ 86.623057][ T5633] btrfs_prealloc_file_range+0x60/0x7c [ 86.623829][ T5633] btrfs_fallocate+0x1330/0x1614 [ 86.624573][ T5633] vfs_fallocate+0x4a4/0x5f4 [ 86.625225][ T5633] __arm64_sys_fallocate+0xc0/0x110 [ 86.626066][ T5633] invoke_syscall+0x98/0x2b8 [ 86.626812][ T5633] el0_svc_common+0x138/0x258 [ 86.627554][ T5633] do_el0_svc+0x58/0x14c [ 86.628223][ T5633] el0_svc+0x78/0x1e0 [ 86.628855][ T5633] el0t_64_sync_handler+0xcc/0xe4 [ 86.629599][ T5633] el0t_64_sync+0x1a0/0x1a4 [ 86.630218][ T5633] irq event stamp: 80128 [ 86.630864][ T5633] hardirqs last enabled at (80127): [] __up_console_sem+0xb4/0x100 [ 86.632374][ T5633] hardirqs last disabled at (80128): [] el1_dbg+0x24/0x80 [ 86.633695][ T5633] softirqs last enabled at (80104): [] handle_softirqs+0xa4c/0xbf0 [ 86.635225][ T5633] softirqs last disabled at (80001): [] __irq_exit_rcu+0x240/0x440 [ 86.636761][ T5633] ---[ end trace b3a60e1bb2d4d10a ]--- [ 86.637842][ T5633] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 86.639508][ T5633] BTRFS info (device loop0): forced readonly [ 86.783789][ T5655] loop0: detected capacity change from 0 to 32768 [ 86.788500][ T5655] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.45 (5655) [ 86.792434][ T5655] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 86.793868][ T5655] BTRFS info (device loop0): using free space tree [ 86.794706][ T5655] BTRFS info (device loop0): has skinny extents [ 86.810012][ T5655] BTRFS info (device loop0): enabling ssd optimizations [ 86.813359][ T5655] FAULT_INJECTION: forcing a failure. [ 86.813359][ T5655] name failslab, interval 1, probability 0, space 0, times 0 [ 86.815323][ T5655] CPU: 0 PID: 5655 Comm: syz.0.45 Tainted: G W syzkaller #0 [ 86.816697][ T5655] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 86.818250][ T5655] Call trace: [ 86.818789][ T5655] dump_backtrace+0x0/0x43c [ 86.819528][ T5655] show_stack+0x2c/0x3c [ 86.820163][ T5655] __dump_stack+0x30/0x40 [ 86.820804][ T5655] dump_stack_lvl+0xf8/0x160 [ 86.821481][ T5655] dump_stack+0x1c/0x5c [ 86.822145][ T5655] should_fail+0x3c0/0x51c [ 86.822840][ T5655] __should_failslab+0xbc/0x10c [ 86.823667][ T5655] should_failslab+0x10/0x28 [ 86.824383][ T5655] slab_pre_alloc_hook+0x64/0xec [ 86.825129][ T5655] kmem_cache_alloc+0x94/0x3e4 [ 86.825877][ T5655] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 86.826777][ T5655] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 86.827697][ T5655] btrfs_insert_replace_extent+0x7e4/0x970 [ 86.828621][ T5655] btrfs_replace_file_extents+0xa68/0x1290 [ 86.829488][ T5655] __btrfs_prealloc_file_range+0x390/0xb88 [ 86.830401][ T5655] btrfs_prealloc_file_range+0x60/0x7c [ 86.831275][ T5655] btrfs_fallocate+0x1330/0x1614 [ 86.832044][ T5655] vfs_fallocate+0x4a4/0x5f4 [ 86.832810][ T5655] __arm64_sys_fallocate+0xc0/0x110 [ 86.833678][ T5655] invoke_syscall+0x98/0x2b8 [ 86.834359][ T5655] el0_svc_common+0x138/0x258 [ 86.835027][ T5655] do_el0_svc+0x58/0x14c [ 86.835690][ T5655] el0_svc+0x78/0x1e0 [ 86.836311][ T5655] el0t_64_sync_handler+0xcc/0xe4 [ 86.837041][ T5655] el0t_64_sync+0x1a0/0x1a4 [ 86.839183][ T5655] ------------[ cut here ]------------ [ 86.840129][ T5655] WARNING: CPU: 0 PID: 5655 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 86.841657][ T5655] Modules linked in: [ 86.842265][ T5655] CPU: 0 PID: 5655 Comm: syz.0.45 Tainted: G W syzkaller #0 [ 86.843632][ T5655] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 86.845297][ T5655] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 86.846499][ T5655] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 86.847454][ T5655] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 86.848403][ T5655] sp : ffff800021eb7640 [ 86.849071][ T5655] x29: ffff800021eb7760 x28: 000000000000cfff x27: 0000000000000000 [ 86.850300][ T5655] x26: dfff800000000000 x25: ffff0000cd016000 x24: ffff0000e3104e80 [ 86.851510][ T5655] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000deea2268 [ 86.852876][ T5655] x20: ffff0000deea2210 x19: 1fffe0001bdd444d x18: 0000000000000001 [ 86.854259][ T5655] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 86.855576][ T5655] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 86.856846][ T5655] x11: 0000000000000000 x10: 0000000000000000 x9 : 250b665eff5df100 [ 86.858110][ T5655] x8 : 250b665eff5df100 x7 : 0000000000000001 x6 : 0000000000000001 [ 86.859482][ T5655] x5 : ffff800021eb6f38 x4 : ffff80001425f420 x3 : ffff800008504400 [ 86.860752][ T5655] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 86.862093][ T5655] Call trace: [ 86.862608][ T5655] btrfs_replace_file_extents+0xcc4/0x1290 [ 86.863509][ T5655] __btrfs_prealloc_file_range+0x390/0xb88 [ 86.864455][ T5655] btrfs_prealloc_file_range+0x60/0x7c [ 86.865342][ T5655] btrfs_fallocate+0x1330/0x1614 [ 86.866128][ T5655] vfs_fallocate+0x4a4/0x5f4 [ 86.866884][ T5655] __arm64_sys_fallocate+0xc0/0x110 [ 86.867736][ T5655] invoke_syscall+0x98/0x2b8 [ 86.868483][ T5655] el0_svc_common+0x138/0x258 [ 86.869234][ T5655] do_el0_svc+0x58/0x14c [ 86.869925][ T5655] el0_svc+0x78/0x1e0 [ 86.870588][ T5655] el0t_64_sync_handler+0xcc/0xe4 [ 86.871369][ T5655] el0t_64_sync+0x1a0/0x1a4 [ 86.872043][ T5655] irq event stamp: 81012 [ 86.872678][ T5655] hardirqs last enabled at (81011): [] __up_console_sem+0xb4/0x100 [ 86.874171][ T5655] hardirqs last disabled at (81012): [] el1_dbg+0x24/0x80 [ 86.875481][ T5655] softirqs last enabled at (80994): [] handle_softirqs+0xa4c/0xbf0 [ 86.876909][ T5655] softirqs last disabled at (80971): [] __irq_exit_rcu+0x240/0x440 [ 86.878373][ T5655] ---[ end trace b3a60e1bb2d4d10b ]--- [ 86.880024][ T5655] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 86.881408][ T5655] BTRFS info (device loop0): forced readonly [ 87.065985][ T5677] loop0: detected capacity change from 0 to 32768 [ 87.140957][ T5677] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.46 (5677) [ 87.145404][ T5677] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 87.146724][ T5677] BTRFS info (device loop0): using free space tree [ 87.147664][ T5677] BTRFS info (device loop0): has skinny extents [ 87.171390][ T5677] BTRFS info (device loop0): enabling ssd optimizations [ 87.174899][ T5677] FAULT_INJECTION: forcing a failure. [ 87.174899][ T5677] name failslab, interval 1, probability 0, space 0, times 0 [ 87.176755][ T5677] CPU: 0 PID: 5677 Comm: syz.0.46 Tainted: G W syzkaller #0 [ 87.178103][ T5677] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 87.179704][ T5677] Call trace: [ 87.180256][ T5677] dump_backtrace+0x0/0x43c [ 87.181000][ T5677] show_stack+0x2c/0x3c [ 87.181670][ T5677] __dump_stack+0x30/0x40 [ 87.182363][ T5677] dump_stack_lvl+0xf8/0x160 [ 87.183145][ T5677] dump_stack+0x1c/0x5c [ 87.183801][ T5677] should_fail+0x3c0/0x51c [ 87.184463][ T5677] __should_failslab+0xbc/0x10c [ 87.185205][ T5677] should_failslab+0x10/0x28 [ 87.185901][ T5677] slab_pre_alloc_hook+0x64/0xec [ 87.186641][ T5677] kmem_cache_alloc+0x94/0x3e4 [ 87.187338][ T5677] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 87.188245][ T5677] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 87.189210][ T5677] btrfs_insert_replace_extent+0x7e4/0x970 [ 87.190160][ T5677] btrfs_replace_file_extents+0xa68/0x1290 [ 87.191099][ T5677] __btrfs_prealloc_file_range+0x390/0xb88 [ 87.192040][ T5677] btrfs_prealloc_file_range+0x60/0x7c [ 87.192944][ T5677] btrfs_fallocate+0x1330/0x1614 [ 87.193698][ T5677] vfs_fallocate+0x4a4/0x5f4 [ 87.194435][ T5677] __arm64_sys_fallocate+0xc0/0x110 [ 87.195279][ T5677] invoke_syscall+0x98/0x2b8 [ 87.195996][ T5677] el0_svc_common+0x138/0x258 [ 87.196775][ T5677] do_el0_svc+0x58/0x14c [ 87.197506][ T5677] el0_svc+0x78/0x1e0 [ 87.198164][ T5677] el0t_64_sync_handler+0xcc/0xe4 [ 87.199017][ T5677] el0t_64_sync+0x1a0/0x1a4 [ 87.201194][ T5677] ------------[ cut here ]------------ [ 87.202148][ T5677] WARNING: CPU: 0 PID: 5677 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 87.203618][ T5677] Modules linked in: [ 87.204221][ T5677] CPU: 0 PID: 5677 Comm: syz.0.46 Tainted: G W syzkaller #0 [ 87.205430][ T5677] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 87.206886][ T5677] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 87.208140][ T5677] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 87.209058][ T5677] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 87.210007][ T5677] sp : ffff800022577640 [ 87.210659][ T5677] x29: ffff800022577760 x28: 000000000000cfff x27: 0000000000000000 [ 87.211832][ T5677] x26: dfff800000000000 x25: ffff0000cebee000 x24: ffff0000e3103ae0 [ 87.213160][ T5677] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000deea2058 [ 87.214475][ T5677] x20: ffff0000deea2000 x19: 1fffe0001bdd440b x18: 0000000000000001 [ 87.215687][ T5677] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 87.216990][ T5677] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 87.218316][ T5677] x11: 0000000000000000 x10: 0000000000000000 x9 : c9b8332677860000 [ 87.219720][ T5677] x8 : c9b8332677860000 x7 : 0000000000000001 x6 : 0000000000000001 [ 87.220997][ T5677] x5 : ffff800022576f38 x4 : ffff80001425f420 x3 : ffff800008504400 [ 87.222253][ T5677] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 87.223566][ T5677] Call trace: [ 87.224121][ T5677] btrfs_replace_file_extents+0xcc4/0x1290 [ 87.225117][ T5677] __btrfs_prealloc_file_range+0x390/0xb88 [ 87.226094][ T5677] btrfs_prealloc_file_range+0x60/0x7c [ 87.226946][ T5677] btrfs_fallocate+0x1330/0x1614 [ 87.227666][ T5677] vfs_fallocate+0x4a4/0x5f4 [ 87.228421][ T5677] __arm64_sys_fallocate+0xc0/0x110 [ 87.229282][ T5677] invoke_syscall+0x98/0x2b8 [ 87.230025][ T5677] el0_svc_common+0x138/0x258 [ 87.230793][ T5677] do_el0_svc+0x58/0x14c [ 87.231509][ T5677] el0_svc+0x78/0x1e0 [ 87.232184][ T5677] el0t_64_sync_handler+0xcc/0xe4 [ 87.232981][ T5677] el0t_64_sync+0x1a0/0x1a4 [ 87.233757][ T5677] irq event stamp: 80122 [ 87.234450][ T5677] hardirqs last enabled at (80121): [] __up_console_sem+0xb4/0x100 [ 87.235938][ T5677] hardirqs last disabled at (80122): [] el1_dbg+0x24/0x80 [ 87.237410][ T5677] softirqs last enabled at (80098): [] handle_softirqs+0xa4c/0xbf0 [ 87.238998][ T5677] softirqs last disabled at (80019): [] __irq_exit_rcu+0x240/0x440 [ 87.240536][ T5677] ---[ end trace b3a60e1bb2d4d10c ]--- [ 87.242743][ T5677] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 87.244201][ T5677] BTRFS info (device loop0): forced readonly [ 87.383505][ T5699] loop0: detected capacity change from 0 to 32768 [ 87.420519][ T5699] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.47 (5699) [ 87.461724][ T5699] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 87.463108][ T5699] BTRFS info (device loop0): using free space tree [ 87.464132][ T5699] BTRFS info (device loop0): has skinny extents [ 87.473148][ T5699] BTRFS info (device loop0): enabling ssd optimizations [ 87.476898][ T5699] FAULT_INJECTION: forcing a failure. [ 87.476898][ T5699] name failslab, interval 1, probability 0, space 0, times 0 [ 87.478925][ T5699] CPU: 0 PID: 5699 Comm: syz.0.47 Tainted: G W syzkaller #0 [ 87.480294][ T5699] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 87.481797][ T5699] Call trace: [ 87.482255][ T5699] dump_backtrace+0x0/0x43c [ 87.482908][ T5699] show_stack+0x2c/0x3c [ 87.483519][ T5699] __dump_stack+0x30/0x40 [ 87.484149][ T5699] dump_stack_lvl+0xf8/0x160 [ 87.484827][ T5699] dump_stack+0x1c/0x5c [ 87.485406][ T5699] should_fail+0x3c0/0x51c [ 87.486020][ T5699] __should_failslab+0xbc/0x10c [ 87.486800][ T5699] should_failslab+0x10/0x28 [ 87.487528][ T5699] slab_pre_alloc_hook+0x64/0xec [ 87.488296][ T5699] kmem_cache_alloc+0x94/0x3e4 [ 87.489052][ T5699] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 87.489943][ T5699] btrfs_alloc_reserved_file_extent+0x19c/0x2bc [ 87.490831][ T5699] btrfs_insert_replace_extent+0x7e4/0x970 [ 87.491724][ T5699] btrfs_replace_file_extents+0xa68/0x1290 [ 87.492619][ T5699] __btrfs_prealloc_file_range+0x390/0xb88 [ 87.493523][ T5699] btrfs_prealloc_file_range+0x60/0x7c [ 87.494323][ T5699] btrfs_fallocate+0x1330/0x1614 [ 87.495117][ T5699] vfs_fallocate+0x4a4/0x5f4 [ 87.495831][ T5699] __arm64_sys_fallocate+0xc0/0x110 [ 87.496569][ T5699] invoke_syscall+0x98/0x2b8 [ 87.497242][ T5699] el0_svc_common+0x138/0x258 [ 87.497933][ T5699] do_el0_svc+0x58/0x14c [ 87.498531][ T5699] el0_svc+0x78/0x1e0 [ 87.499113][ T5699] el0t_64_sync_handler+0xcc/0xe4 [ 87.499931][ T5699] el0t_64_sync+0x1a0/0x1a4 [ 87.501030][ T5699] ------------[ cut here ]------------ [ 87.502053][ T5699] WARNING: CPU: 0 PID: 5699 at fs/btrfs/file.c:2983 btrfs_replace_file_extents+0xcc4/0x1290 [ 87.503547][ T5699] Modules linked in: [ 87.504143][ T5699] CPU: 0 PID: 5699 Comm: syz.0.47 Tainted: G W syzkaller #0 [ 87.505516][ T5699] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 87.506984][ T5699] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 87.508110][ T5699] pc : btrfs_replace_file_extents+0xcc4/0x1290 [ 87.508971][ T5699] lr : btrfs_replace_file_extents+0xcc4/0x1290 [ 87.509848][ T5699] sp : ffff800022577640 [ 87.510408][ T5699] x29: ffff800022577760 x28: 000000000000cfff x27: 0000000000000000 [ 87.511647][ T5699] x26: dfff800000000000 x25: ffff0000ce0b2000 x24: ffff0000e3102740 [ 87.512799][ T5699] x23: 0000000000000000 x22: 00000000fffffff4 x21: ffff0000deea2738 [ 87.514111][ T5699] x20: ffff0000deea26e0 x19: 1fffe0001bdd44e7 x18: 0000000000000001 [ 87.515348][ T5699] x17: 0000000000000000 x16: ffff800008302168 x15: 00000000ffffffff [ 87.516688][ T5699] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 87.517985][ T5699] x11: 0000000000000000 x10: 0000000000000000 x9 : 7390ef3a11289d00 [ 87.519209][ T5699] x8 : 7390ef3a11289d00 x7 : 0000000000000001 x6 : 0000000000000001 [ 87.520459][ T5699] x5 : ffff800022576f38 x4 : ffff80001425f420 x3 : ffff800008302278 [ 87.521613][ T5699] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 87.522804][ T5699] Call trace: [ 87.523243][ T5699] btrfs_replace_file_extents+0xcc4/0x1290 [ 87.524100][ T5699] __btrfs_prealloc_file_range+0x390/0xb88 [ 87.524980][ T5699] btrfs_prealloc_file_range+0x60/0x7c [ 87.525708][ T5699] btrfs_fallocate+0x1330/0x1614 [ 87.526421][ T5699] vfs_fallocate+0x4a4/0x5f4 [ 87.527035][ T5699] __arm64_sys_fallocate+0xc0/0x110 [ 87.527829][ T5699] invoke_syscall+0x98/0x2b8 [ 87.528498][ T5699] el0_svc_common+0x138/0x258 [ 87.529202][ T5699] do_el0_svc+0x58/0x14c [ 87.529847][ T5699] el0_svc+0x78/0x1e0 [ 87.530433][ T5699] el0t_64_sync_handler+0xcc/0xe4 [ 87.531191][ T5699] el0t_64_sync+0x1a0/0x1a4 [ 87.531878][ T5699] irq event stamp: 79656 [ 87.532508][ T5699] hardirqs last enabled at (79655): [] __up_console_sem+0xb4/0x100 [ 87.533810][ T5699] hardirqs last disabled at (79656): [] el1_dbg+0x24/0x80 [ 87.535047][ T5699] softirqs last enabled at (79632): [] handle_softirqs+0xa4c/0xbf0 [ 87.536389][ T5699] softirqs last disabled at (79619): [] __irq_exit_rcu+0x240/0x440 [ 87.537702][ T5699] ---[ end trace b3a60e1bb2d4d10d ]--- [ 87.538772][ T5699] BTRFS: error (device loop0) in btrfs_replace_file_extents:2983: errno=-12 Out of memory [ 87.540650][ T5699] BTRFS info (device loop0): forced readonly [ 87.676876][ T5721] loop0: detected capacity change from 0 to 32768 [ 87.714741][ T5721] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.48 (5721) [ 87.719431][ T5721] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 87.720864][ T5721] BTRFS info (device loop0): using free space tree [ 87.721893][ T5721] BTRFS info (device loop0): has skinny extents [ 87.760560][ T5721] BTRFS info (device loop0): enabling ssd optimizations [ 87.764365][ T5721] FAULT_INJECTION: forcing a failure. [ 87.764365][ T5721] name failslab, interval 1, probability 0, space 0, times 0 [ 87.767066][ T5721] CPU: 1 PID: 5721 Comm: syz.0.48 Tainted: G W syzkaller #0 [ 87.768386][ T5721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 87.769909][ T5721] Call trace: [ 87.770384][ T5721] dump_backtrace+0x0/0x43c [ 87.771097][ T5721] show_stack+0x2c/0x3c [ 87.771660][ T5721] __dump_stack+0x30/0x40 [ 87.772299][ T5721] dump_stack_lvl+0xf8/0x160 [ 87.772963][ T5721] dump_stack+0x1c/0x5c [ 87.773599][ T5721] should_fail+0x3c0/0x51c [ 87.774298][ T5721] __should_failslab+0xbc/0x10c [ 87.775060][ T5721] should_failslab+0x10/0x28 [ 87.775802][ T5721] slab_pre_alloc_hook+0x64/0xec [ 87.776606][ T5721] kmem_cache_alloc+0x94/0x3e4 [ 87.777309][ T5721] btrfs_add_delayed_data_ref+0x3bc/0xd0c [ 87.778232][ T5721] btrfs_alloc_reserved_file_extent+0x19c/0x2bc