Warning: Permanently added '10.128.0.39' (ED25519) to the list of known hosts. 1970/01/01 00:01:06 parsed 1 programs [ 67.846387][ T4538] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 69.606648][ T3338] cfg80211: failed to load regulatory.db [ 69.615886][ T2062] ieee802154 phy0 wpan0: encryption failed: -22 [ 69.617127][ T2062] ieee802154 phy1 wpan1: encryption failed: -22 [ 70.802965][ T1604] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 70.804255][ T1604] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 70.808097][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 70.814751][ T4235] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 70.818868][ T4235] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 70.820240][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 70.983097][ T4596] chnl_net:caif_netlink_parms(): no params data found [ 71.002232][ T4596] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.003559][ T4596] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.005682][ T4596] device bridge_slave_0 entered promiscuous mode [ 71.008458][ T4596] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.009586][ T4596] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.011266][ T4596] device bridge_slave_1 entered promiscuous mode [ 71.021919][ T4596] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.024545][ T4596] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.033451][ T4596] team0: Port device team_slave_0 added [ 71.035466][ T4596] team0: Port device team_slave_1 added [ 71.042528][ T4596] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 71.043629][ T4596] 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. [ 71.048207][ T4596] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 71.050620][ T4596] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 71.051662][ T4596] 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. [ 71.055921][ T4596] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 71.166572][ T4596] device hsr_slave_0 entered promiscuous mode [ 71.227097][ T4596] device hsr_slave_1 entered promiscuous mode [ 71.936224][ T4596] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 71.967282][ T4596] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 72.026453][ T4596] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 72.076545][ T4596] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 72.162143][ T4596] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.167177][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 72.168672][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.171448][ T4596] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.175624][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.177227][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.178975][ T1604] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.180054][ T1604] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.181445][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.183305][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.184743][ T1604] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.185997][ T1604] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.190038][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 72.198097][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 72.199963][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 72.201756][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 72.203901][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 72.206963][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 72.208776][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 72.213099][ T4596] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 72.215334][ T4596] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 72.218019][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 72.219514][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 72.221230][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 72.223209][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 72.224673][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 72.229421][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 72.269453][ T4596] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 72.278615][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 72.279885][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 72.281161][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 72.282744][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 72.309085][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 72.310609][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 72.312377][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 72.313699][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 72.319662][ T4596] device veth0_vlan entered promiscuous mode [ 72.323331][ T4596] device veth1_vlan entered promiscuous mode [ 72.333906][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 72.336361][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 72.337850][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 72.339430][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 72.343154][ T4596] device veth0_macvtap entered promiscuous mode [ 72.346572][ T4596] device veth1_macvtap entered promiscuous mode [ 72.351818][ T4596] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 72.353092][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 72.354573][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 72.357599][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 72.359264][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 72.362385][ T4596] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 72.364393][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 72.367918][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 72.370153][ T4596] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.371516][ T4596] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.372905][ T4596] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.374284][ T4596] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:01:12 executed programs: 0 [ 72.644336][ T4739] chnl_net:caif_netlink_parms(): no params data found [ 72.666037][ T4739] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.667208][ T4739] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.669204][ T4739] device bridge_slave_0 entered promiscuous mode [ 72.671211][ T4739] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.672381][ T4739] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.673945][ T4739] device bridge_slave_1 entered promiscuous mode [ 72.682814][ T4739] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 72.685575][ T4739] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 72.694629][ T4739] team0: Port device team_slave_0 added [ 72.697499][ T4739] team0: Port device team_slave_1 added [ 72.704514][ T4739] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 72.705742][ T4739] 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. [ 72.709649][ T4739] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 72.712141][ T4739] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 72.713321][ T4739] 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. [ 72.718406][ T4739] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 72.788074][ T4739] device hsr_slave_0 entered promiscuous mode [ 72.835251][ T4739] device hsr_slave_1 entered promiscuous mode [ 72.874937][ T4739] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 72.876199][ T4739] Cannot create hsr debugfs directory [ 72.912932][ T4739] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 74.644904][ T4175] Bluetooth: hci0: command 0x0409 tx timeout [ 75.729123][ T4739] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 76.724964][ T4178] Bluetooth: hci0: command 0x041b tx timeout [ 78.418746][ T4739] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 78.460103][ T4739] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 78.650373][ T4739] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 78.681154][ T4739] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 78.750515][ T4739] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 78.790775][ T4739] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 78.804899][ T4178] Bluetooth: hci0: command 0x040f tx timeout [ 78.862205][ T4739] 8021q: adding VLAN 0 to HW filter on device bond0 [ 78.867150][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 78.868732][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 78.871422][ T4739] 8021q: adding VLAN 0 to HW filter on device team0 [ 78.874568][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 78.877609][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 78.879214][ T4235] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.880397][ T4235] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.881960][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 78.884670][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 78.886824][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 78.888382][ T4235] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.889510][ T4235] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.897203][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 78.900062][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 78.902861][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 78.904572][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 78.907135][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 78.909893][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 78.911453][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 78.914173][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 78.916547][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 78.919420][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 78.920960][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 78.923603][ T4739] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 78.964771][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 78.966695][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 78.970099][ T4739] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 78.977161][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 78.978881][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 78.986581][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 78.988156][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 78.989829][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 78.991305][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 78.993538][ T4739] device veth0_vlan entered promiscuous mode [ 78.996959][ T4739] device veth1_vlan entered promiscuous mode [ 79.004652][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 79.006541][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 79.008085][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 79.009576][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 79.012257][ T4739] device veth0_macvtap entered promiscuous mode [ 79.014692][ T4739] device veth1_macvtap entered promiscuous mode [ 79.027295][ T4739] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 79.028961][ T4739] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 79.031140][ T4739] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 79.032265][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 79.033802][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 79.036099][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 79.037687][ T4235] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 79.040109][ T4739] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 79.041816][ T4739] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 79.043882][ T4739] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 79.045681][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 79.047454][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 79.049755][ T4739] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.051133][ T4739] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.052558][ T4739] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.054010][ T4739] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.076279][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 79.078255][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 79.079985][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 79.086765][ T1604] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 79.087964][ T1604] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 79.089325][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:01:19 executed programs: 2 [ 79.201774][ T4971] loop0: detected capacity change from 0 to 32768 [ 79.238488][ T4971] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.16 (4971) [ 79.249360][ T4971] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 79.250822][ T4971] BTRFS info (device loop0): using free space tree [ 79.251789][ T4971] BTRFS info (device loop0): has skinny extents [ 79.264331][ T4971] BTRFS info (device loop0): enabling ssd optimizations [ 79.276483][ T4971] BTRFS info (device loop0): balance: start -s [ 79.278877][ T4971] ------------[ cut here ]------------ [ 79.279930][ T4971] WARNING: CPU: 0 PID: 4971 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 79.281817][ T4971] Modules linked in: [ 79.282473][ T4971] CPU: 0 PID: 4971 Comm: syz.0.16 Not tainted syzkaller #0 [ 79.283594][ T4971] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.285387][ T4971] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.286742][ T4971] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 79.287878][ T4971] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 79.288925][ T4971] sp : ffff80001f347540 [ 79.289565][ T4971] x29: ffff80001f347710 x28: ffff0000dc1531b0 x27: 1fffe0001bd20622 [ 79.290826][ T4971] x26: 1fffe0001b82a60b x25: ffff0000dc153050 x24: dfff800000000000 [ 79.292040][ T4971] x23: ffff0000de903108 x22: 1fffe0001b82a60a x21: ffff0000dc153058 [ 79.293252][ T4971] x20: 00000000ffffffe4 x19: ffff0000d28919d0 x18: 0000000000000001 [ 79.294500][ T4971] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 79.295764][ T4971] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 79.296879][ T4971] x11: 0000000000000000 x10: 0000000000000000 x9 : 3927859fcd42f800 [ 79.298081][ T4971] x8 : 3927859fcd42f800 x7 : 0000000000000001 x6 : 0000000000000001 [ 79.299402][ T4971] x5 : ffff80001f346e58 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 79.300680][ T4971] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 79.301935][ T4971] Call trace: [ 79.302486][ T4971] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 79.303519][ T4971] __btrfs_end_transaction+0x13c/0x5f0 [ 79.304477][ T4971] btrfs_end_transaction+0x24/0x34 [ 79.305270][ T4971] btrfs_inc_block_group_ro+0x4ec/0x558 [ 79.306225][ T4971] btrfs_relocate_block_group+0x2b8/0x8a4 [ 79.307219][ T4971] btrfs_relocate_chunk+0xb8/0x280 [ 79.308117][ T4971] __btrfs_balance+0x112c/0x1b9c [ 79.308964][ T4971] btrfs_balance+0xac8/0x113c [ 79.309739][ T4971] btrfs_ioctl_balance+0x4cc/0x658 [ 79.310591][ T4971] btrfs_ioctl+0x20c/0xa8c [ 79.311325][ T4971] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.312131][ T4971] invoke_syscall+0x98/0x2b0 [ 79.312943][ T4971] el0_svc_common+0x138/0x258 [ 79.313744][ T4971] do_el0_svc+0x58/0x13c [ 79.314444][ T4971] el0_svc+0x78/0x1d0 [ 79.315084][ T4971] el0t_64_sync_handler+0xcc/0xe4 [ 79.315877][ T4971] el0t_64_sync+0x1a0/0x1a4 [ 79.316613][ T4971] irq event stamp: 82762 [ 79.317285][ T4971] hardirqs last enabled at (82761): [] __up_console_sem+0xb4/0xfc [ 79.318866][ T4971] hardirqs last disabled at (82762): [] el1_dbg+0x24/0x80 [ 79.320382][ T4971] softirqs last enabled at (82452): [] local_bh_enable+0x10/0x34 [ 79.321861][ T4971] softirqs last disabled at (82450): [] local_bh_disable+0x10/0x34 [ 79.323531][ T4971] ---[ end trace e96a4fc62db51bf7 ]--- [ 79.329808][ T4971] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 79.331636][ T4971] BTRFS info (device loop0): forced readonly [ 79.332790][ T4971] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 79.334556][ T4971] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 79.337185][ T4971] BTRFS info (device loop0): balance: ended with status: -30 [ 79.517051][ T9] device hsr_slave_0 left promiscuous mode [ 79.526876][ T4993] loop0: detected capacity change from 0 to 32768 [ 79.555105][ T9] device hsr_slave_1 left promiscuous mode [ 79.576208][ T4993] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.17 (4993) [ 79.579276][ T4993] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 79.580796][ T4993] BTRFS info (device loop0): using free space tree [ 79.581901][ T4993] BTRFS info (device loop0): has skinny extents [ 79.590533][ T4993] BTRFS info (device loop0): enabling ssd optimizations [ 79.596526][ T4993] BTRFS info (device loop0): balance: start -s [ 79.597842][ T4993] ------------[ cut here ]------------ [ 79.598935][ T4993] WARNING: CPU: 0 PID: 4993 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 79.600716][ T4993] Modules linked in: [ 79.601316][ T4993] CPU: 0 PID: 4993 Comm: syz.0.17 Tainted: G W syzkaller #0 [ 79.602608][ T4993] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.604188][ T4993] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.605522][ T4993] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 79.606660][ T4993] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 79.607721][ T4993] sp : ffff80001fee7540 [ 79.608423][ T4993] x29: ffff80001fee7710 x28: ffff0000dc06c9b0 x27: 1fffe0001bd2064e [ 79.609762][ T4993] x26: 1fffe0001b80d90b x25: ffff0000dc06c850 x24: dfff800000000000 [ 79.611139][ T4993] x23: ffff0000de903268 x22: 1fffe0001b80d90a x21: ffff0000dc06c858 [ 79.612480][ T4993] x20: 00000000ffffffe4 x19: ffff0000ec6719d0 x18: 0000000000000001 [ 79.613867][ T4993] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 79.615183][ T4993] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 79.616469][ T4993] x11: 0000000000000000 x10: 0000000000000000 x9 : 68fd7187ceb31900 [ 79.617797][ T4993] x8 : 68fd7187ceb31900 x7 : 0000000000000001 x6 : 0000000000000001 [ 79.619034][ T4993] x5 : ffff80001fee6e58 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 79.620372][ T4993] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 79.621661][ T4993] Call trace: [ 79.622224][ T4993] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 79.623256][ T4993] __btrfs_end_transaction+0x13c/0x5f0 [ 79.624100][ T4993] btrfs_end_transaction+0x24/0x34 [ 79.624973][ T4993] btrfs_inc_block_group_ro+0x4ec/0x558 [ 79.625846][ T4993] btrfs_relocate_block_group+0x2b8/0x8a4 [ 79.626734][ T4993] btrfs_relocate_chunk+0xb8/0x280 [ 79.627517][ T4993] __btrfs_balance+0x112c/0x1b9c [ 79.628292][ T4993] btrfs_balance+0xac8/0x113c [ 79.629034][ T4993] btrfs_ioctl_balance+0x4cc/0x658 [ 79.629865][ T4993] btrfs_ioctl+0x20c/0xa8c [ 79.630591][ T4993] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.631348][ T4993] invoke_syscall+0x98/0x2b0 [ 79.632100][ T4993] el0_svc_common+0x138/0x258 [ 79.632821][ T4993] do_el0_svc+0x58/0x13c [ 79.633483][ T4993] el0_svc+0x78/0x1d0 [ 79.634096][ T4993] el0t_64_sync_handler+0xcc/0xe4 [ 79.634848][ T4993] el0t_64_sync+0x1a0/0x1a4 [ 79.635510][ T4993] irq event stamp: 80972 [ 79.636161][ T4993] hardirqs last enabled at (80971): [] __up_console_sem+0xb4/0xfc [ 79.637673][ T4993] hardirqs last disabled at (80972): [] el1_dbg+0x24/0x80 [ 79.639070][ T4993] softirqs last enabled at (80804): [] local_bh_enable+0x10/0x34 [ 79.640610][ T4993] softirqs last disabled at (80802): [] local_bh_disable+0x10/0x34 [ 79.642141][ T4993] ---[ end trace e96a4fc62db51bf8 ]--- [ 79.646550][ T4993] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 79.648448][ T4993] BTRFS info (device loop0): forced readonly [ 79.649471][ T4993] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 79.651302][ T4993] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 79.665045][ T4993] BTRFS info (device loop0): balance: ended with status: -30 [ 79.671035][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 79.672503][ T9] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 79.681780][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 79.684747][ T9] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 79.690447][ T9] device bridge_slave_1 left promiscuous mode [ 79.694608][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 79.736673][ T9] device bridge_slave_0 left promiscuous mode [ 79.737770][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 79.827977][ T5022] loop0: detected capacity change from 0 to 32768 [ 79.836918][ T5022] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.18 (5022) [ 79.841571][ T5022] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 79.842979][ T5022] BTRFS info (device loop0): using free space tree [ 79.844018][ T5022] BTRFS info (device loop0): has skinny extents [ 79.853508][ T5022] BTRFS info (device loop0): enabling ssd optimizations [ 79.859589][ T5022] BTRFS info (device loop0): balance: start -s [ 79.860968][ T5022] ------------[ cut here ]------------ [ 79.861948][ T5022] WARNING: CPU: 0 PID: 5022 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 79.863758][ T5022] Modules linked in: [ 79.864440][ T5022] CPU: 0 PID: 5022 Comm: syz.0.18 Tainted: G W syzkaller #0 [ 79.865072][ T9] device veth1_macvtap left promiscuous mode [ 79.865912][ T5022] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.866991][ T9] device veth0_macvtap left promiscuous mode [ 79.868587][ T5022] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.869631][ T9] device veth1_vlan left promiscuous mode [ 79.870857][ T5022] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 79.871767][ T9] device veth0_vlan left promiscuous mode [ 79.872791][ T5022] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 79.874725][ T5022] sp : ffff80001fef7540 [ 79.875386][ T5022] x29: ffff80001fef7710 x28: ffff0000c0fbb9b0 x27: 1fffe0001bd2067a [ 79.876736][ T5022] x26: 1fffe000181f770b x25: ffff0000c0fbb850 x24: dfff800000000000 [ 79.877941][ T5022] x23: ffff0000de9033c8 x22: 1fffe000181f770a x21: ffff0000c0fbb858 [ 79.879208][ T5022] x20: 00000000ffffffe4 x19: ffff0000ce1f99d0 x18: 0000000000000001 [ 79.880520][ T5022] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 79.881866][ T5022] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 79.883298][ T5022] x11: 0000000000000000 x10: 0000000000000000 x9 : 4d87b0d126ce9900 [ 79.884616][ T5022] x8 : 4d87b0d126ce9900 x7 : 0000000000000001 x6 : 0000000000000001 [ 79.885951][ T5022] x5 : ffff80001fef6e58 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 79.887348][ T5022] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 79.888627][ T5022] Call trace: [ 79.889136][ T5022] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 79.890209][ T5022] __btrfs_end_transaction+0x13c/0x5f0 [ 79.891149][ T5022] btrfs_end_transaction+0x24/0x34 [ 79.891988][ T5022] btrfs_inc_block_group_ro+0x4ec/0x558 [ 79.892908][ T5022] btrfs_relocate_block_group+0x2b8/0x8a4 [ 79.893865][ T5022] btrfs_relocate_chunk+0xb8/0x280 [ 79.894704][ T5022] __btrfs_balance+0x112c/0x1b9c [ 79.895594][ T5022] btrfs_balance+0xac8/0x113c [ 79.896442][ T5022] btrfs_ioctl_balance+0x4cc/0x658 [ 79.897233][ T5022] btrfs_ioctl+0x20c/0xa8c [ 79.898000][ T5022] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.898857][ T5022] invoke_syscall+0x98/0x2b0 [ 79.899614][ T5022] el0_svc_common+0x138/0x258 [ 79.900388][ T5022] do_el0_svc+0x58/0x13c [ 79.901112][ T5022] el0_svc+0x78/0x1d0 [ 79.901792][ T5022] el0t_64_sync_handler+0xcc/0xe4 [ 79.902578][ T5022] el0t_64_sync+0x1a0/0x1a4 [ 79.903313][ T5022] irq event stamp: 81072 [ 79.903945][ T5022] hardirqs last enabled at (81071): [] __up_console_sem+0xb4/0xfc [ 79.905463][ T5022] hardirqs last disabled at (81072): [] el1_dbg+0x24/0x80 [ 79.906727][ T5022] softirqs last enabled at (80876): [] local_bh_enable+0x10/0x34 [ 79.908103][ T5022] softirqs last disabled at (80874): [] local_bh_disable+0x10/0x34 [ 79.909615][ T5022] ---[ end trace e96a4fc62db51bf9 ]--- [ 79.913702][ T5022] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 79.915545][ T5022] BTRFS info (device loop0): forced readonly [ 79.916508][ T5022] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 79.918252][ T5022] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 79.920133][ T5022] BTRFS info (device loop0): balance: ended with status: -30 [ 80.120200][ T9] team0 (unregistering): Port device team_slave_1 removed [ 80.126220][ T5044] loop0: detected capacity change from 0 to 32768 [ 80.134290][ T9] team0 (unregistering): Port device team_slave_0 removed [ 80.135604][ T5044] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.19 (5044) [ 80.144064][ T9] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 80.145899][ T5044] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 80.147309][ T5044] BTRFS info (device loop0): using free space tree [ 80.148362][ T5044] BTRFS info (device loop0): has skinny extents [ 80.158869][ T5044] BTRFS info (device loop0): enabling ssd optimizations [ 80.163764][ T5044] BTRFS info (device loop0): balance: start -s [ 80.166892][ T5044] ------------[ cut here ]------------ [ 80.167879][ T5044] WARNING: CPU: 0 PID: 5044 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 80.169797][ T5044] Modules linked in: [ 80.170408][ T5044] CPU: 0 PID: 5044 Comm: syz.0.19 Tainted: G W syzkaller #0 [ 80.171915][ T5044] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.173541][ T5044] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 80.174740][ T5044] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 80.175793][ T5044] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 80.176909][ T5044] sp : ffff8000200d7540 [ 80.177620][ T5044] x29: ffff8000200d7710 x28: ffff0000d6f1f9b0 x27: 1fffe0001bd206a6 [ 80.179058][ T5044] x26: 1fffe0001ade3f0b x25: ffff0000d6f1f850 x24: dfff800000000000 [ 80.180512][ T5044] x23: ffff0000de903528 x22: 1fffe0001ade3f0a x21: ffff0000d6f1f858 [ 80.181831][ T5044] x20: 00000000ffffffe4 x19: ffff0000d1a1d9d0 x18: 0000000000000001 [ 80.183264][ T5044] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 80.184508][ T5044] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 80.185825][ T5044] x11: 0000000000000000 x10: 0000000000000000 x9 : aeafb62d099e6f00 [ 80.187196][ T5044] x8 : aeafb62d099e6f00 x7 : 0000000000000001 x6 : 0000000000000001 [ 80.188453][ T5044] x5 : ffff8000200d6e58 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 80.189848][ T5044] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 80.191200][ T5044] Call trace: [ 80.191786][ T5044] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 80.192845][ T5044] __btrfs_end_transaction+0x13c/0x5f0 [ 80.193731][ T5044] btrfs_end_transaction+0x24/0x34 [ 80.194561][ T5044] btrfs_inc_block_group_ro+0x4ec/0x558 [ 80.195424][ T5044] btrfs_relocate_block_group+0x2b8/0x8a4 [ 80.196372][ T5044] btrfs_relocate_chunk+0xb8/0x280 [ 80.197195][ T5044] __btrfs_balance+0x112c/0x1b9c [ 80.198085][ T5044] btrfs_balance+0xac8/0x113c [ 80.198851][ T5044] btrfs_ioctl_balance+0x4cc/0x658 [ 80.199641][ T5044] btrfs_ioctl+0x20c/0xa8c [ 80.200347][ T5044] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.201144][ T5044] invoke_syscall+0x98/0x2b0 [ 80.201903][ T5044] el0_svc_common+0x138/0x258 [ 80.202662][ T5044] do_el0_svc+0x58/0x13c [ 80.203381][ T5044] el0_svc+0x78/0x1d0 [ 80.204006][ T5044] el0t_64_sync_handler+0xcc/0xe4 [ 80.204872][ T5044] el0t_64_sync+0x1a0/0x1a4 [ 80.205618][ T5044] irq event stamp: 83408 [ 80.206320][ T5044] hardirqs last enabled at (83407): [] __up_console_sem+0xb4/0xfc [ 80.207951][ T5044] hardirqs last disabled at (83408): [] el1_dbg+0x24/0x80 [ 80.209503][ T5044] softirqs last enabled at (83266): [] handle_softirqs+0xa40/0xbe4 [ 80.211131][ T5044] softirqs last disabled at (83249): [] __irq_exit_rcu+0x240/0x43c [ 80.212571][ T5044] ---[ end trace e96a4fc62db51bfa ]--- [ 80.216542][ T5044] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 80.218357][ T5044] BTRFS info (device loop0): forced readonly [ 80.219901][ T5044] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 80.219962][ T9] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 80.221627][ T5044] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 80.224614][ T5044] BTRFS info (device loop0): balance: ended with status: -30 [ 80.339623][ T9] bond0 (unregistering): Released all slaves [ 80.369808][ T5066] loop0: detected capacity change from 0 to 32768 [ 80.407156][ T5066] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.20 (5066) [ 80.446825][ T5066] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 80.448279][ T5066] BTRFS info (device loop0): using free space tree [ 80.449359][ T5066] BTRFS info (device loop0): has skinny extents [ 80.461624][ T5066] BTRFS info (device loop0): enabling ssd optimizations [ 80.475353][ T5066] BTRFS info (device loop0): balance: start -s [ 80.476661][ T5066] ------------[ cut here ]------------ [ 80.477636][ T5066] WARNING: CPU: 1 PID: 5066 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 80.479447][ T5066] Modules linked in: [ 80.480093][ T5066] CPU: 1 PID: 5066 Comm: syz.0.20 Tainted: G W syzkaller #0 [ 80.481418][ T5066] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.483146][ T5066] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 80.484414][ T5066] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 80.485466][ T5066] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 80.486596][ T5066] sp : ffff800020077540 [ 80.487286][ T5066] x29: ffff800020077710 x28: ffff0000d9b749b0 x27: 1fffe0001bd74c22 [ 80.488687][ T5066] x26: 1fffe0001b36e90b x25: ffff0000d9b74850 x24: dfff800000000000 [ 80.489971][ T5066] x23: ffff0000deba6108 x22: 1fffe0001b36e90a x21: ffff0000d9b74858 [ 80.491280][ T5066] x20: 00000000ffffffe4 x19: ffff0000d1a1d9d0 x18: 0000000000000001 [ 80.492650][ T5066] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 80.494003][ T5066] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 80.495386][ T5066] x11: 0000000000000000 x10: 0000000000000000 x9 : f48b5233c4a02500 [ 80.496711][ T5066] x8 : f48b5233c4a02500 x7 : 0000000000000001 x6 : 0000000000000001 [ 80.498051][ T5066] x5 : ffff800020076e58 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 80.499393][ T5066] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 80.500807][ T5066] Call trace: [ 80.501343][ T5066] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 80.502398][ T5066] __btrfs_end_transaction+0x13c/0x5f0 [ 80.503367][ T5066] btrfs_end_transaction+0x24/0x34 [ 80.504256][ T5066] btrfs_inc_block_group_ro+0x4ec/0x558 [ 80.505194][ T5066] btrfs_relocate_block_group+0x2b8/0x8a4 [ 80.506166][ T5066] btrfs_relocate_chunk+0xb8/0x280 [ 80.506986][ T5066] __btrfs_balance+0x112c/0x1b9c [ 80.507774][ T5066] btrfs_balance+0xac8/0x113c [ 80.508575][ T5066] btrfs_ioctl_balance+0x4cc/0x658 [ 80.509397][ T5066] btrfs_ioctl+0x20c/0xa8c [ 80.510201][ T5066] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.511030][ T5066] invoke_syscall+0x98/0x2b0 [ 80.511833][ T5066] el0_svc_common+0x138/0x258 [ 80.512608][ T5066] do_el0_svc+0x58/0x13c [ 80.513291][ T5066] el0_svc+0x78/0x1d0 [ 80.513957][ T5066] el0t_64_sync_handler+0xcc/0xe4 [ 80.514843][ T5066] el0t_64_sync+0x1a0/0x1a4 [ 80.515625][ T5066] irq event stamp: 80846 [ 80.516309][ T5066] hardirqs last enabled at (80845): [] __up_console_sem+0xb4/0xfc [ 80.517907][ T5066] hardirqs last disabled at (80846): [] el1_dbg+0x24/0x80 [ 80.519368][ T5066] softirqs last enabled at (80678): [] local_bh_enable+0x10/0x34 [ 80.521070][ T5066] softirqs last disabled at (80676): [] local_bh_disable+0x10/0x34 [ 80.522739][ T5066] ---[ end trace e96a4fc62db51bfb ]--- [ 80.526677][ T5066] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 80.528455][ T5066] BTRFS info (device loop0): forced readonly [ 80.529479][ T5066] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 80.531343][ T5066] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 80.533252][ T5066] BTRFS info (device loop0): balance: ended with status: -30 [ 80.683680][ T5088] loop0: detected capacity change from 0 to 32768 [ 80.692894][ T5088] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.21 (5088) [ 80.698163][ T5088] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 80.699594][ T5088] BTRFS info (device loop0): using free space tree [ 80.700737][ T5088] BTRFS info (device loop0): has skinny extents [ 80.710524][ T5088] BTRFS info (device loop0): enabling ssd optimizations [ 80.715632][ T5088] BTRFS info (device loop0): balance: start -s [ 80.716904][ T5088] ------------[ cut here ]------------ [ 80.717895][ T5088] WARNING: CPU: 0 PID: 5088 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 80.719785][ T5088] Modules linked in: [ 80.720475][ T5088] CPU: 0 PID: 5088 Comm: syz.0.21 Tainted: G W syzkaller #0 [ 80.721925][ T5088] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.723553][ T5088] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 80.724872][ T5088] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 80.726015][ T5088] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 80.727132][ T5088] sp : ffff800020427540 [ 80.727818][ T5088] x29: ffff800020427710 x28: ffff0000ce3e71b0 x27: 1fffe0001bd206d2 [ 80.729138][ T5088] x26: 1fffe00019c7ce0b x25: ffff0000ce3e7050 x24: dfff800000000000 [ 80.730595][ T5088] x23: ffff0000de903688 x22: 1fffe00019c7ce0a x21: ffff0000ce3e7058 [ 80.732049][ T5088] x20: 00000000ffffffe4 x19: ffff0000d04d99d0 x18: 0000000000000001 [ 80.733463][ T5088] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 80.734833][ T5088] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 80.736271][ T5088] x11: 0000000000000000 x10: 0000000000000000 x9 : efd94f1a0c00b200 [ 80.737528][ T5088] x8 : efd94f1a0c00b200 x7 : 0000000000000001 x6 : 0000000000000001 [ 80.738947][ T5088] x5 : ffff800020426e58 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 80.740298][ T5088] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 80.741692][ T5088] Call trace: [ 80.742251][ T5088] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 80.743312][ T5088] __btrfs_end_transaction+0x13c/0x5f0 [ 80.744245][ T5088] btrfs_end_transaction+0x24/0x34 [ 80.745099][ T5088] btrfs_inc_block_group_ro+0x4ec/0x558 [ 80.746086][ T5088] btrfs_relocate_block_group+0x2b8/0x8a4 [ 80.747072][ T5088] btrfs_relocate_chunk+0xb8/0x280 [ 80.748003][ T5088] __btrfs_balance+0x112c/0x1b9c [ 80.748780][ T5088] btrfs_balance+0xac8/0x113c [ 80.749533][ T5088] btrfs_ioctl_balance+0x4cc/0x658 [ 80.750450][ T5088] btrfs_ioctl+0x20c/0xa8c [ 80.751187][ T5088] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.752010][ T5088] invoke_syscall+0x98/0x2b0 [ 80.752771][ T5088] el0_svc_common+0x138/0x258 [ 80.753521][ T5088] do_el0_svc+0x58/0x13c [ 80.754232][ T5088] el0_svc+0x78/0x1d0 [ 80.754902][ T5088] el0t_64_sync_handler+0xcc/0xe4 [ 80.755744][ T5088] el0t_64_sync+0x1a0/0x1a4 [ 80.756480][ T5088] irq event stamp: 80826 [ 80.757180][ T5088] hardirqs last enabled at (80825): [] __up_console_sem+0xb4/0xfc [ 80.758801][ T5088] hardirqs last disabled at (80826): [] el1_dbg+0x24/0x80 [ 80.760236][ T5088] softirqs last enabled at (80670): [] local_bh_enable+0x10/0x34 [ 80.761839][ T5088] softirqs last disabled at (80668): [] local_bh_disable+0x10/0x34 [ 80.763380][ T5088] ---[ end trace e96a4fc62db51bfc ]--- [ 80.765284][ T5088] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 80.767720][ T5088] BTRFS info (device loop0): forced readonly [ 80.768731][ T5088] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 80.770788][ T5088] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 80.773707][ T5088] BTRFS info (device loop0): balance: ended with status: -30 [ 80.885203][ T4176] Bluetooth: hci0: command 0x0419 tx timeout [ 80.917805][ T5110] loop0: detected capacity change from 0 to 32768 [ 80.997987][ T5110] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.22 (5110) [ 81.001498][ T5110] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 81.002915][ T5110] BTRFS info (device loop0): using free space tree [ 81.004024][ T5110] BTRFS info (device loop0): has skinny extents [ 81.014381][ T5110] BTRFS info (device loop0): enabling ssd optimizations [ 81.019377][ T5110] BTRFS info (device loop0): balance: start -s [ 81.020727][ T5110] ------------[ cut here ]------------ [ 81.021713][ T5110] WARNING: CPU: 0 PID: 5110 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 81.023618][ T5110] Modules linked in: [ 81.024298][ T5110] CPU: 0 PID: 5110 Comm: syz.0.22 Tainted: G W syzkaller #0 [ 81.025804][ T5110] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.027566][ T5110] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 81.028807][ T5110] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 81.029954][ T5110] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 81.031130][ T5110] sp : ffff800020467540 [ 81.031797][ T5110] x29: ffff800020467710 x28: ffff0000cb9079b0 x27: 1fffe0001bd206fe [ 81.033087][ T5110] x26: 1fffe00019720f0b x25: ffff0000cb907850 x24: dfff800000000000 [ 81.034338][ T5110] x23: ffff0000de9037e8 x22: 1fffe00019720f0a x21: ffff0000cb907858 [ 81.035590][ T5110] x20: 00000000ffffffe4 x19: ffff0000d04d99d0 x18: 0000000000000001 [ 81.036769][ T5110] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 81.037995][ T5110] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 81.039141][ T5110] x11: 0000000000000000 x10: 0000000000000000 x9 : e5764a90eee77a00 [ 81.040468][ T5110] x8 : e5764a90eee77a00 x7 : 0000000000000001 x6 : 0000000000000001 [ 81.041794][ T5110] x5 : ffff800020466e58 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 81.043007][ T5110] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 81.044238][ T5110] Call trace: [ 81.044755][ T5110] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 81.045734][ T5110] __btrfs_end_transaction+0x13c/0x5f0 [ 81.046599][ T5110] btrfs_end_transaction+0x24/0x34 [ 81.047446][ T5110] btrfs_inc_block_group_ro+0x4ec/0x558 [ 81.048341][ T5110] btrfs_relocate_block_group+0x2b8/0x8a4 [ 81.049239][ T5110] btrfs_relocate_chunk+0xb8/0x280 [ 81.050087][ T5110] __btrfs_balance+0x112c/0x1b9c [ 81.050933][ T5110] btrfs_balance+0xac8/0x113c [ 81.051667][ T5110] btrfs_ioctl_balance+0x4cc/0x658 [ 81.052463][ T5110] btrfs_ioctl+0x20c/0xa8c [ 81.053127][ T5110] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.053910][ T5110] invoke_syscall+0x98/0x2b0 [ 81.054694][ T5110] el0_svc_common+0x138/0x258 [ 81.055544][ T5110] do_el0_svc+0x58/0x13c [ 81.056233][ T5110] el0_svc+0x78/0x1d0 [ 81.056902][ T5110] el0t_64_sync_handler+0xcc/0xe4 [ 81.057744][ T5110] el0t_64_sync+0x1a0/0x1a4 [ 81.058513][ T5110] irq event stamp: 80530 [ 81.059218][ T5110] hardirqs last enabled at (80529): [] __up_console_sem+0xb4/0xfc [ 81.060817][ T5110] hardirqs last disabled at (80530): [] el1_dbg+0x24/0x80 [ 81.062256][ T5110] softirqs last enabled at (80354): [] local_bh_enable+0x10/0x34 [ 81.063800][ T5110] softirqs last disabled at (80352): [] local_bh_disable+0x10/0x34 [ 81.065438][ T5110] ---[ end trace e96a4fc62db51bfd ]--- [ 81.071076][ T5110] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 81.072795][ T5110] BTRFS info (device loop0): forced readonly [ 81.074017][ T5110] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 81.076923][ T5110] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 81.078752][ T5110] BTRFS info (device loop0): balance: ended with status: -30 [ 81.226197][ T5132] loop0: detected capacity change from 0 to 32768 [ 81.276110][ T5132] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.23 (5132) [ 81.316680][ T5132] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 81.318102][ T5132] BTRFS info (device loop0): using free space tree [ 81.319124][ T5132] BTRFS info (device loop0): has skinny extents [ 81.333771][ T5132] BTRFS info (device loop0): enabling ssd optimizations [ 81.346640][ T5132] BTRFS info (device loop0): balance: start -s [ 81.348013][ T5132] ------------[ cut here ]------------ [ 81.348972][ T5132] WARNING: CPU: 1 PID: 5132 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 81.350808][ T5132] Modules linked in: [ 81.351481][ T5132] CPU: 1 PID: 5132 Comm: syz.0.23 Tainted: G W syzkaller #0 [ 81.353046][ T5132] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.354726][ T5132] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 81.356004][ T5132] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 81.357171][ T5132] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 81.358337][ T5132] sp : ffff800020557540 [ 81.359075][ T5132] x29: ffff800020557710 x28: ffff0000cf8d59b0 x27: 1fffe0001bd74c4e [ 81.360456][ T5132] x26: 1fffe00019f1ab0b x25: ffff0000cf8d5850 x24: dfff800000000000 [ 81.361796][ T5132] x23: ffff0000deba6268 x22: 1fffe00019f1ab0a x21: ffff0000cf8d5858 [ 81.363178][ T5132] x20: 00000000ffffffe4 x19: ffff0000d04d99d0 x18: 0000000000000001 [ 81.364506][ T5132] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 81.365867][ T5132] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 81.367262][ T5132] x11: 0000000000000000 x10: 0000000000000000 x9 : 37124794e63d4f00 [ 81.368615][ T5132] x8 : 37124794e63d4f00 x7 : 0000000000000001 x6 : 0000000000000001 [ 81.369988][ T5132] x5 : ffff800020556e58 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 81.371380][ T5132] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 81.372747][ T5132] Call trace: [ 81.373328][ T5132] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 81.374373][ T5132] __btrfs_end_transaction+0x13c/0x5f0 [ 81.375277][ T5132] btrfs_end_transaction+0x24/0x34 [ 81.376148][ T5132] btrfs_inc_block_group_ro+0x4ec/0x558 [ 81.377131][ T5132] btrfs_relocate_block_group+0x2b8/0x8a4 [ 81.378090][ T5132] btrfs_relocate_chunk+0xb8/0x280 [ 81.378934][ T5132] __btrfs_balance+0x112c/0x1b9c [ 81.379696][ T5132] btrfs_balance+0xac8/0x113c [ 81.380437][ T5132] btrfs_ioctl_balance+0x4cc/0x658 [ 81.381280][ T5132] btrfs_ioctl+0x20c/0xa8c [ 81.382010][ T5132] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.382833][ T5132] invoke_syscall+0x98/0x2b0 [ 81.383581][ T5132] el0_svc_common+0x138/0x258 [ 81.384325][ T5132] do_el0_svc+0x58/0x13c [ 81.385073][ T5132] el0_svc+0x78/0x1d0 [ 81.385778][ T5132] el0t_64_sync_handler+0xcc/0xe4 [ 81.386685][ T5132] el0t_64_sync+0x1a0/0x1a4 [ 81.387452][ T5132] irq event stamp: 81330 [ 81.388163][ T5132] hardirqs last enabled at (81329): [] __up_console_sem+0xb4/0xfc [ 81.389752][ T5132] hardirqs last disabled at (81330): [] el1_dbg+0x24/0x80 [ 81.391256][ T5132] softirqs last enabled at (81164): [] local_bh_enable+0x10/0x34 [ 81.392880][ T5132] softirqs last disabled at (81162): [] local_bh_disable+0x10/0x34 [ 81.394505][ T5132] ---[ end trace e96a4fc62db51bfe ]--- [ 81.397981][ T5132] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 81.399692][ T5132] BTRFS info (device loop0): forced readonly [ 81.400628][ T5132] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 81.402357][ T5132] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 81.404221][ T5132] BTRFS info (device loop0): balance: ended with status: -30 [ 81.574164][ T5154] loop0: detected capacity change from 0 to 32768 [ 81.581750][ T5154] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.24 (5154) [ 81.589268][ T5154] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 81.590728][ T5154] BTRFS info (device loop0): using free space tree [ 81.591862][ T5154] BTRFS info (device loop0): has skinny extents [ 81.658526][ T5154] BTRFS info (device loop0): enabling ssd optimizations [ 81.672202][ T5154] BTRFS info (device loop0): balance: start -s [ 81.673545][ T5154] ------------[ cut here ]------------ [ 81.674619][ T5154] WARNING: CPU: 1 PID: 5154 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 81.676553][ T5154] Modules linked in: [ 81.677205][ T5154] CPU: 1 PID: 5154 Comm: syz.0.24 Tainted: G W syzkaller #0 [ 81.678702][ T5154] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.680372][ T5154] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 81.681713][ T5154] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 81.682837][ T5154] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 81.683914][ T5154] sp : ffff800020557540 [ 81.684603][ T5154] x29: ffff800020557710 x28: ffff0000cf68e1b0 x27: 1fffe0001bd74c7a [ 81.685942][ T5154] x26: 1fffe00019ed1c0b x25: ffff0000cf68e050 x24: dfff800000000000 [ 81.687350][ T5154] x23: ffff0000deba63c8 x22: 1fffe00019ed1c0a x21: ffff0000cf68e058 [ 81.688709][ T5154] x20: 00000000ffffffe4 x19: ffff0000d8fb19d0 x18: 0000000000000001 [ 81.690009][ T5154] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 81.691405][ T5154] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 81.692755][ T5154] x11: 0000000000000000 x10: 0000000000000000 x9 : 564b6094acf91a00 [ 81.693999][ T5154] x8 : 564b6094acf91a00 x7 : 0000000000000001 x6 : 0000000000000001 [ 81.695328][ T5154] x5 : ffff800020556e58 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 81.696729][ T5154] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 81.698112][ T5154] Call trace: [ 81.698651][ T5154] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 81.699766][ T5154] __btrfs_end_transaction+0x13c/0x5f0 [ 81.700752][ T5154] btrfs_end_transaction+0x24/0x34 [ 81.701702][ T5154] btrfs_inc_block_group_ro+0x4ec/0x558 [ 81.702710][ T5154] btrfs_relocate_block_group+0x2b8/0x8a4 [ 81.703771][ T5154] btrfs_relocate_chunk+0xb8/0x280 [ 81.704689][ T5154] __btrfs_balance+0x112c/0x1b9c [ 81.705551][ T5154] btrfs_balance+0xac8/0x113c [ 81.706389][ T5154] btrfs_ioctl_balance+0x4cc/0x658 [ 81.707219][ T5154] btrfs_ioctl+0x20c/0xa8c [ 81.707960][ T5154] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.708831][ T5154] invoke_syscall+0x98/0x2b0 [ 81.709647][ T5154] el0_svc_common+0x138/0x258 [ 81.710439][ T5154] do_el0_svc+0x58/0x13c [ 81.711143][ T5154] el0_svc+0x78/0x1d0 [ 81.711864][ T5154] el0t_64_sync_handler+0xcc/0xe4 [ 81.712644][ T5154] el0t_64_sync+0x1a0/0x1a4 [ 81.713363][ T5154] irq event stamp: 80296 [ 81.714105][ T5154] hardirqs last enabled at (80295): [] __up_console_sem+0xb4/0xfc [ 81.715705][ T5154] hardirqs last disabled at (80296): [] el1_dbg+0x24/0x80 [ 81.717148][ T5154] softirqs last enabled at (80136): [] local_bh_enable+0x10/0x34 [ 81.718706][ T5154] softirqs last disabled at (80134): [] local_bh_disable+0x10/0x34 [ 81.720417][ T5154] ---[ end trace e96a4fc62db51bff ]--- [ 81.729097][ T5154] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 81.731082][ T5154] BTRFS info (device loop0): forced readonly [ 81.732090][ T5154] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 81.733841][ T5154] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 81.737166][ T5154] BTRFS info (device loop0): balance: ended with status: -30 [ 81.972522][ T5176] loop0: detected capacity change from 0 to 32768 [ 82.019319][ T5176] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.25 (5176) [ 82.024317][ T5176] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 82.026057][ T5176] BTRFS info (device loop0): using free space tree [ 82.027124][ T5176] BTRFS info (device loop0): has skinny extents [ 82.038825][ T5176] BTRFS info (device loop0): enabling ssd optimizations [ 82.045148][ T5176] BTRFS info (device loop0): balance: start -s [ 82.046533][ T5176] ------------[ cut here ]------------ [ 82.047570][ T5176] WARNING: CPU: 0 PID: 5176 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 82.049395][ T5176] Modules linked in: [ 82.049988][ T5176] CPU: 0 PID: 5176 Comm: syz.0.25 Tainted: G W syzkaller #0 [ 82.051569][ T5176] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.053248][ T5176] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 82.054558][ T5176] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 82.055646][ T5176] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 82.056854][ T5176] sp : ffff8000207f7540 [ 82.057521][ T5176] x29: ffff8000207f7710 x28: ffff0000da54d1b0 x27: 1fffe0001bd2072a [ 82.058807][ T5176] x26: 1fffe0001b4a9a0b x25: ffff0000da54d050 x24: dfff800000000000 [ 82.060184][ T5176] x23: ffff0000de903948 x22: 1fffe0001b4a9a0a x21: ffff0000da54d058 [ 82.061528][ T5176] x20: 00000000ffffffe4 x19: ffff0000e7f859d0 x18: 0000000000000001 [ 82.062915][ T5176] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 82.064250][ T5176] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 82.065582][ T5176] x11: 0000000000000000 x10: 0000000000000000 x9 : a3c40f1061847600 [ 82.066935][ T5176] x8 : a3c40f1061847600 x7 : 0000000000000001 x6 : 0000000000000001 [ 82.068266][ T5176] x5 : ffff8000207f6e58 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 82.069595][ T5176] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 82.070901][ T5176] Call trace: [ 82.071488][ T5176] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 82.072596][ T5176] __btrfs_end_transaction+0x13c/0x5f0 [ 82.073587][ T5176] btrfs_end_transaction+0x24/0x34 [ 82.074425][ T5176] btrfs_inc_block_group_ro+0x4ec/0x558 [ 82.075331][ T5176] btrfs_relocate_block_group+0x2b8/0x8a4 [ 82.076280][ T5176] btrfs_relocate_chunk+0xb8/0x280 [ 82.077158][ T5176] __btrfs_balance+0x112c/0x1b9c [ 82.078004][ T5176] btrfs_balance+0xac8/0x113c [ 82.078789][ T5176] btrfs_ioctl_balance+0x4cc/0x658 [ 82.079639][ T5176] btrfs_ioctl+0x20c/0xa8c [ 82.080383][ T5176] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.081297][ T5176] invoke_syscall+0x98/0x2b0 [ 82.082084][ T5176] el0_svc_common+0x138/0x258 [ 82.082972][ T5176] do_el0_svc+0x58/0x13c [ 82.083701][ T5176] el0_svc+0x78/0x1d0 [ 82.084342][ T5176] el0t_64_sync_handler+0xcc/0xe4 [ 82.085159][ T5176] el0t_64_sync+0x1a0/0x1a4 [ 82.085889][ T5176] irq event stamp: 79800 [ 82.086555][ T5176] hardirqs last enabled at (79799): [] __up_console_sem+0xb4/0xfc [ 82.088035][ T5176] hardirqs last disabled at (79800): [] el1_dbg+0x24/0x80 [ 82.089373][ T5176] softirqs last enabled at (79622): [] local_bh_enable+0x10/0x34 [ 82.090810][ T5176] softirqs last disabled at (79620): [] local_bh_disable+0x10/0x34 [ 82.092354][ T5176] ---[ end trace e96a4fc62db51c00 ]--- [ 82.093889][ T5176] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 82.095952][ T5176] BTRFS info (device loop0): forced readonly [ 82.096939][ T5176] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 82.098732][ T5176] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 82.100486][ T5176] BTRFS info (device loop0): balance: ended with status: -30 [ 82.286410][ T5198] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.26 (5198) [ 82.337081][ T5198] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 82.338491][ T5198] BTRFS info (device loop0): using free space tree [ 82.339637][ T5198] BTRFS info (device loop0): has skinny extents [ 82.359981][ T5198] BTRFS info (device loop0): enabling ssd optimizations [ 82.365254][ T5198] BTRFS info (device loop0): balance: start -s [ 82.366578][ T5198] ------------[ cut here ]------------ [ 82.367595][ T5198] WARNING: CPU: 0 PID: 5198 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 82.369373][ T5198] Modules linked in: [ 82.370066][ T5198] CPU: 0 PID: 5198 Comm: syz.0.26 Tainted: G W syzkaller #0 [ 82.371501][ T5198] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.373194][ T5198] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 82.374514][ T5198] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 82.375653][ T5198] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 82.376730][ T5198] sp : ffff80001f3f7540 [ 82.377409][ T5198] x29: ffff80001f3f7710 x28: ffff0000dc34e1b0 x27: 1fffe0001bd20756 [ 82.378701][ T5198] x26: 1fffe0001b869c0b x25: ffff0000dc34e050 x24: dfff800000000000 [ 82.379977][ T5198] x23: ffff0000de903aa8 x22: 1fffe0001b869c0a x21: ffff0000dc34e058 [ 82.381306][ T5198] x20: 00000000ffffffe4 x19: ffff0000ebe919d0 x18: 0000000000000001 [ 82.382673][ T5198] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 82.384072][ T5198] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 82.385517][ T5198] x11: 0000000000000000 x10: 0000000000000000 x9 : 899a2fd18d59a500 [ 82.386832][ T5198] x8 : 899a2fd18d59a500 x7 : 0000000000000001 x6 : 0000000000000001 [ 82.388092][ T5198] x5 : ffff80001f3f6e58 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 82.389336][ T5198] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 82.390666][ T5198] Call trace: [ 82.391190][ T5198] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 82.392211][ T5198] __btrfs_end_transaction+0x13c/0x5f0 [ 82.393094][ T5198] btrfs_end_transaction+0x24/0x34 [ 82.393974][ T5198] btrfs_inc_block_group_ro+0x4ec/0x558 [ 82.394929][ T5198] btrfs_relocate_block_group+0x2b8/0x8a4 [ 82.395854][ T5198] btrfs_relocate_chunk+0xb8/0x280 [ 82.396695][ T5198] __btrfs_balance+0x112c/0x1b9c [ 82.397508][ T5198] btrfs_balance+0xac8/0x113c [ 82.398220][ T5198] btrfs_ioctl_balance+0x4cc/0x658 [ 82.399045][ T5198] btrfs_ioctl+0x20c/0xa8c [ 82.399779][ T5198] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.400561][ T5198] invoke_syscall+0x98/0x2b0 [ 82.401268][ T5198] el0_svc_common+0x138/0x258 [ 82.402023][ T5198] do_el0_svc+0x58/0x13c [ 82.402698][ T5198] el0_svc+0x78/0x1d0 [ 82.403313][ T5198] el0t_64_sync_handler+0xcc/0xe4 [ 82.404103][ T5198] el0t_64_sync+0x1a0/0x1a4 [ 82.404925][ T5198] irq event stamp: 80728 [ 82.405628][ T5198] hardirqs last enabled at (80727): [] __up_console_sem+0xb4/0xfc [ 82.407278][ T5198] hardirqs last disabled at (80728): [] el1_dbg+0x24/0x80 [ 82.408736][ T5198] softirqs last enabled at (80554): [] local_bh_enable+0x10/0x34 [ 82.410236][ T5198] softirqs last disabled at (80552): [] local_bh_disable+0x10/0x34 [ 82.411877][ T5198] ---[ end trace e96a4fc62db51c01 ]--- [ 82.413810][ T5198] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 82.415742][ T5198] BTRFS info (device loop0): forced readonly [ 82.416783][ T5198] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 82.418459][ T5198] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 82.420282][ T5198] BTRFS info (device loop0): balance: ended with status: -30 [ 82.667513][ T5219] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.27 (5219) [ 82.674029][ T5219] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 82.675633][ T5219] BTRFS info (device loop0): using free space tree [ 82.676646][ T5219] BTRFS info (device loop0): has skinny extents [ 82.685778][ T5219] BTRFS info (device loop0): enabling ssd optimizations [ 82.690392][ T5219] BTRFS info (device loop0): balance: start -s [ 82.691714][ T5219] ------------[ cut here ]------------ [ 82.692668][ T5219] WARNING: CPU: 0 PID: 5219 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 82.694423][ T5219] Modules linked in: [ 82.695043][ T5219] CPU: 0 PID: 5219 Comm: syz.0.27 Tainted: G W syzkaller #0 [ 82.696548][ T5219] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.698240][ T5219] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 82.699566][ T5219] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 82.700726][ T5219] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 82.701875][ T5219] sp : ffff8000207f7540 [ 82.702567][ T5219] x29: ffff8000207f7710 x28: ffff0000d31569b0 x27: 1fffe0001bd20782 [ 82.703857][ T5219] x26: 1fffe0001a62ad0b x25: ffff0000d3156850 x24: dfff800000000000 [ 82.705237][ T5219] x23: ffff0000de903c08 x22: 1fffe0001a62ad0a x21: ffff0000d3156858 [ 82.706632][ T5219] x20: 00000000ffffffe4 x19: ffff0000d8c399d0 x18: 0000000000000001 [ 82.707975][ T5219] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 82.709322][ T5219] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 82.710534][ T5219] x11: 0000000000000000 x10: 0000000000000000 x9 : c0933a668e991c00 [ 82.711812][ T5219] x8 : c0933a668e991c00 x7 : 0000000000000001 x6 : 0000000000000001 [ 82.713209][ T5219] x5 : ffff8000207f6e58 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 82.714552][ T5219] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 82.715911][ T5219] Call trace: [ 82.716441][ T5219] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 82.717481][ T5219] __btrfs_end_transaction+0x13c/0x5f0 [ 82.718456][ T5219] btrfs_end_transaction+0x24/0x34 [ 82.719315][ T5219] btrfs_inc_block_group_ro+0x4ec/0x558 [ 82.720259][ T5219] btrfs_relocate_block_group+0x2b8/0x8a4 [ 82.721192][ T5219] btrfs_relocate_chunk+0xb8/0x280 [ 82.722040][ T5219] __btrfs_balance+0x112c/0x1b9c [ 82.722815][ T5219] btrfs_balance+0xac8/0x113c [ 82.723589][ T5219] btrfs_ioctl_balance+0x4cc/0x658 [ 82.724400][ T5219] btrfs_ioctl+0x20c/0xa8c [ 82.725162][ T5219] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.725916][ T5219] invoke_syscall+0x98/0x2b0 [ 82.726690][ T5219] el0_svc_common+0x138/0x258 [ 82.727485][ T5219] do_el0_svc+0x58/0x13c [ 82.728180][ T5219] el0_svc+0x78/0x1d0 [ 82.728802][ T5219] el0t_64_sync_handler+0xcc/0xe4 [ 82.729647][ T5219] el0t_64_sync+0x1a0/0x1a4 [ 82.730406][ T5219] irq event stamp: 81478 [ 82.731057][ T5219] hardirqs last enabled at (81477): [] __up_console_sem+0xb4/0xfc [ 82.732509][ T5219] hardirqs last disabled at (81478): [] el1_dbg+0x24/0x80 [ 82.733864][ T5219] softirqs last enabled at (81288): [] local_bh_enable+0x10/0x34 [ 82.735451][ T5219] softirqs last disabled at (81286): [] local_bh_disable+0x10/0x34 [ 82.737032][ T5219] ---[ end trace e96a4fc62db51c02 ]--- [ 82.738997][ T5219] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 82.740642][ T5219] BTRFS info (device loop0): forced readonly [ 82.741570][ T5219] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 82.743164][ T5219] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 82.744878][ T5219] BTRFS info (device loop0): balance: ended with status: -30 [ 82.916036][ T5241] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.28 (5241) [ 82.967544][ T5241] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 82.968923][ T5241] BTRFS info (device loop0): using free space tree [ 82.969900][ T5241] BTRFS info (device loop0): has skinny extents [ 82.979294][ T5241] BTRFS info (device loop0): enabling ssd optimizations [ 82.983738][ T5241] BTRFS info (device loop0): balance: start -s [ 82.985593][ T5241] ------------[ cut here ]------------ [ 82.986563][ T5241] WARNING: CPU: 1 PID: 5241 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 82.988472][ T5241] Modules linked in: [ 82.989128][ T5241] CPU: 1 PID: 5241 Comm: syz.0.28 Tainted: G W syzkaller #0 [ 82.990521][ T5241] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.992200][ T5241] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 82.993472][ T5241] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 82.994560][ T5241] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 82.995757][ T5241] sp : ffff800020ca7540 [ 82.996484][ T5241] x29: ffff800020ca7710 x28: ffff0000d82111b0 x27: 1fffe0001bd74ca6 [ 82.997841][ T5241] x26: 1fffe0001b04220b x25: ffff0000d8211050 x24: dfff800000000000 [ 82.999254][ T5241] x23: ffff0000deba6528 x22: 1fffe0001b04220a x21: ffff0000d8211058 [ 83.000693][ T5241] x20: 00000000ffffffe4 x19: ffff0000ecbd19d0 x18: 0000000000000001 [ 83.001990][ T5241] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 83.003269][ T5241] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 83.004539][ T5241] x11: 0000000000000000 x10: 0000000000000000 x9 : d06166aa91bbe600 [ 83.005896][ T5241] x8 : d06166aa91bbe600 x7 : 0000000000000001 x6 : 0000000000000001 [ 83.007233][ T5241] x5 : ffff800020ca6e58 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 83.008619][ T5241] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 83.010037][ T5241] Call trace: [ 83.010595][ T5241] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 83.011677][ T5241] __btrfs_end_transaction+0x13c/0x5f0 [ 83.012597][ T5241] btrfs_end_transaction+0x24/0x34 [ 83.013509][ T5241] btrfs_inc_block_group_ro+0x4ec/0x558 [ 83.014478][ T5241] btrfs_relocate_block_group+0x2b8/0x8a4 [ 83.015443][ T5241] btrfs_relocate_chunk+0xb8/0x280 [ 83.016305][ T5241] __btrfs_balance+0x112c/0x1b9c [ 83.017103][ T5241] btrfs_balance+0xac8/0x113c [ 83.017898][ T5241] btrfs_ioctl_balance+0x4cc/0x658 [ 83.018745][ T5241] btrfs_ioctl+0x20c/0xa8c [ 83.019568][ T5241] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.020395][ T5241] invoke_syscall+0x98/0x2b0 [ 83.021213][ T5241] el0_svc_common+0x138/0x258 [ 83.021979][ T5241] do_el0_svc+0x58/0x13c [ 83.022633][ T5241] el0_svc+0x78/0x1d0 [ 83.023339][ T5241] el0t_64_sync_handler+0xcc/0xe4 [ 83.024147][ T5241] el0t_64_sync+0x1a0/0x1a4 [ 83.024911][ T5241] irq event stamp: 80510 [ 83.025631][ T5241] hardirqs last enabled at (80509): [] __up_console_sem+0xb4/0xfc [ 83.027104][ T5241] hardirqs last disabled at (80510): [] el1_dbg+0x24/0x80 [ 83.028471][ T5241] softirqs last enabled at (80402): [] handle_softirqs+0xa40/0xbe4 [ 83.030073][ T5241] softirqs last disabled at (80387): [] __irq_exit_rcu+0x240/0x43c [ 83.031581][ T5241] ---[ end trace e96a4fc62db51c03 ]--- [ 83.035496][ T5241] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 83.037115][ T5241] BTRFS info (device loop0): forced readonly [ 83.038141][ T5241] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 83.039838][ T5241] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 83.041673][ T5241] BTRFS info (device loop0): balance: ended with status: -30 [ 83.268510][ T5263] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.29 (5263) [ 83.272465][ T5263] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 83.273846][ T5263] BTRFS info (device loop0): using free space tree [ 83.275008][ T5263] BTRFS info (device loop0): has skinny extents [ 83.283740][ T5263] BTRFS info (device loop0): enabling ssd optimizations [ 83.288321][ T5263] BTRFS info (device loop0): balance: start -s [ 83.289773][ T5263] ------------[ cut here ]------------ [ 83.290717][ T5263] WARNING: CPU: 0 PID: 5263 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 83.292530][ T5263] Modules linked in: [ 83.293206][ T5263] CPU: 0 PID: 5263 Comm: syz.0.29 Tainted: G W syzkaller #0 [ 83.294521][ T5263] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.296135][ T5263] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 83.297437][ T5263] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 83.298529][ T5263] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 83.299683][ T5263] sp : ffff800020dd7540 [ 83.300447][ T5263] x29: ffff800020dd7710 x28: ffff0000d7e981b0 x27: 1fffe0001bd2060c [ 83.301843][ T5263] x26: 1fffe0001afd300b x25: ffff0000d7e98050 x24: dfff800000000000 [ 83.303175][ T5263] x23: ffff0000de903058 x22: 1fffe0001afd300a x21: ffff0000d7e98058 [ 83.304425][ T5263] x20: 00000000ffffffe4 x19: ffff0000eb8219d0 x18: 0000000000000001 [ 83.305778][ T5263] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 83.307146][ T5263] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 83.308501][ T5263] x11: 0000000000000000 x10: 0000000000000000 x9 : fde0c8a40b6e3b00 [ 83.309906][ T5263] x8 : fde0c8a40b6e3b00 x7 : 0000000000000001 x6 : 0000000000000001 [ 83.311238][ T5263] x5 : ffff800020dd6e58 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 83.312530][ T5263] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 83.313811][ T5263] Call trace: [ 83.314381][ T5263] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 83.315450][ T5263] __btrfs_end_transaction+0x13c/0x5f0 [ 83.316347][ T5263] btrfs_end_transaction+0x24/0x34 [ 83.317158][ T5263] btrfs_inc_block_group_ro+0x4ec/0x558 [ 83.318055][ T5263] btrfs_relocate_block_group+0x2b8/0x8a4 [ 83.319018][ T5263] btrfs_relocate_chunk+0xb8/0x280 [ 83.319891][ T5263] __btrfs_balance+0x112c/0x1b9c [ 83.320727][ T5263] btrfs_balance+0xac8/0x113c [ 83.321445][ T5263] btrfs_ioctl_balance+0x4cc/0x658 [ 83.322226][ T5263] btrfs_ioctl+0x20c/0xa8c [ 83.322891][ T5263] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.323710][ T5263] invoke_syscall+0x98/0x2b0 [ 83.324469][ T5263] el0_svc_common+0x138/0x258 [ 83.325244][ T5263] do_el0_svc+0x58/0x13c [ 83.325914][ T5263] el0_svc+0x78/0x1d0 [ 83.326584][ T5263] el0t_64_sync_handler+0xcc/0xe4 [ 83.327479][ T5263] el0t_64_sync+0x1a0/0x1a4 [ 83.328249][ T5263] irq event stamp: 80782 [ 83.328963][ T5263] hardirqs last enabled at (80781): [] __up_console_sem+0xb4/0xfc [ 83.330571][ T5263] hardirqs last disabled at (80782): [] el1_dbg+0x24/0x80 [ 83.332058][ T5263] softirqs last enabled at (80618): [] local_bh_enable+0x10/0x34 [ 83.333631][ T5263] softirqs last disabled at (80616): [] local_bh_disable+0x10/0x34 [ 83.335259][ T5263] ---[ end trace e96a4fc62db51c04 ]--- [ 83.336548][ T5263] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 83.338153][ T5263] BTRFS info (device loop0): forced readonly [ 83.339196][ T5263] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 83.340848][ T5263] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 83.342770][ T5263] BTRFS info (device loop0): balance: ended with status: -30 [ 83.491669][ T5285] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.30 (5285) [ 83.497022][ T5285] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 83.498418][ T5285] BTRFS info (device loop0): using free space tree [ 83.509433][ T5285] ------------[ cut here ]------------ [ 83.510428][ T5285] WARNING: CPU: 1 PID: 5285 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 83.512214][ T5285] Modules linked in: [ 83.512862][ T5285] CPU: 1 PID: 5285 Comm: syz.0.30 Tainted: G W syzkaller #0 [ 83.514177][ T5285] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.515885][ T5285] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 83.517259][ T5285] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 83.518387][ T5285] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 83.519471][ T5285] sp : ffff800020ca7540 [ 83.520185][ T5285] x29: ffff800020ca7710 x28: ffff0000cdfb51b0 x27: 1fffe0001bd74cd2 [ 83.521551][ T5285] x26: 1fffe00019bf6a0b x25: ffff0000cdfb5050 x24: dfff800000000000 [ 83.522947][ T5285] x23: ffff0000deba6688 x22: 1fffe00019bf6a0a x21: ffff0000cdfb5058 [ 83.524283][ T5285] x20: 00000000ffffffe4 x19: ffff0000eb8219d0 x18: 0000000000000001 [ 83.525613][ T5285] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 83.527006][ T5285] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 83.528308][ T5285] x11: 0000000000000000 x10: 0000000000000000 x9 : 995158e1c4372300 [ 83.529628][ T5285] x8 : 995158e1c4372300 x7 : 0000000000000001 x6 : 0000000000000001 [ 83.531039][ T5285] x5 : ffff800020ca6e58 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 83.532396][ T5285] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 83.533727][ T5285] Call trace: [ 83.534240][ T5285] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 83.535229][ T5285] __btrfs_end_transaction+0x13c/0x5f0 [ 83.536101][ T5285] btrfs_end_transaction+0x24/0x34 [ 83.536897][ T5285] btrfs_inc_block_group_ro+0x4ec/0x558 [ 83.537826][ T5285] btrfs_relocate_block_group+0x2b8/0x8a4 [ 83.538784][ T5285] btrfs_relocate_chunk+0xb8/0x280 [ 83.539665][ T5285] __btrfs_balance+0x112c/0x1b9c [ 83.540518][ T5285] btrfs_balance+0xac8/0x113c [ 83.541319][ T5285] btrfs_ioctl_balance+0x4cc/0x658 [ 83.542207][ T5285] btrfs_ioctl+0x20c/0xa8c [ 83.542946][ T5285] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.543761][ T5285] invoke_syscall+0x98/0x2b0 [ 83.544528][ T5285] el0_svc_common+0x138/0x258 [ 83.545319][ T5285] do_el0_svc+0x58/0x13c [ 83.546033][ T5285] el0_svc+0x78/0x1d0 [ 83.546681][ T5285] el0t_64_sync_handler+0xcc/0xe4 [ 83.547511][ T5285] el0t_64_sync+0x1a0/0x1a4 [ 83.548206][ T5285] irq event stamp: 81160 [ 83.548848][ T5285] hardirqs last enabled at (81159): [] __up_console_sem+0xb4/0xfc [ 83.550475][ T5285] hardirqs last disabled at (81160): [] el1_dbg+0x24/0x80 [ 83.551923][ T5285] softirqs last enabled at (80996): [] local_bh_enable+0x10/0x34 [ 83.553566][ T5285] softirqs last disabled at (80994): [] local_bh_disable+0x10/0x34 [ 83.555184][ T5285] ---[ end trace e96a4fc62db51c05 ]--- [ 83.557619][ T5285] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 83.559357][ T5285] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 83.561203][ T5285] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 83.746621][ T5307] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.31 (5307) [ 83.767716][ T5307] ------------[ cut here ]------------ [ 83.768726][ T5307] WARNING: CPU: 0 PID: 5307 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 83.770583][ T5307] Modules linked in: [ 83.771227][ T5307] CPU: 0 PID: 5307 Comm: syz.0.31 Tainted: G W syzkaller #0 [ 83.772613][ T5307] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.774271][ T5307] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 83.775592][ T5307] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 83.776708][ T5307] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 83.777791][ T5307] sp : ffff800020ca7540 [ 83.778491][ T5307] x29: ffff800020ca7710 x28: ffff0000cdda99b0 x27: 1fffe0001bd20664 [ 83.779951][ T5307] x26: 1fffe00019bb530b x25: ffff0000cdda9850 x24: dfff800000000000 [ 83.781297][ T5307] x23: ffff0000de903318 x22: 1fffe00019bb530a x21: ffff0000cdda9858 [ 83.782649][ T5307] x20: 00000000ffffffe4 x19: ffff0000c1cd19d0 x18: 0000000000000001 [ 83.783981][ T5307] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 83.785358][ T5307] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 83.786688][ T5307] x11: 0000000000000000 x10: 0000000000000000 x9 : b123df3b53763600 [ 83.788088][ T5307] x8 : b123df3b53763600 x7 : 0000000000000001 x6 : 0000000000000001 [ 83.789299][ T5307] x5 : ffff800020ca6e58 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 83.790675][ T5307] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 83.792096][ T5307] Call trace: [ 83.792690][ T5307] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 83.793765][ T5307] __btrfs_end_transaction+0x13c/0x5f0 [ 83.794688][ T5307] btrfs_end_transaction+0x24/0x34 [ 83.795610][ T5307] btrfs_inc_block_group_ro+0x4ec/0x558 [ 83.796512][ T5307] btrfs_relocate_block_group+0x2b8/0x8a4 [ 83.797436][ T5307] btrfs_relocate_chunk+0xb8/0x280 [ 83.798256][ T5307] __btrfs_balance+0x112c/0x1b9c [ 83.799059][ T5307] btrfs_balance+0xac8/0x113c [ 83.799858][ T5307] btrfs_ioctl_balance+0x4cc/0x658 [ 83.800797][ T5307] btrfs_ioctl+0x20c/0xa8c [ 83.801518][ T5307] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.802308][ T5307] invoke_syscall+0x98/0x2b0 [ 83.803093][ T5307] el0_svc_common+0x138/0x258 [ 83.803861][ T5307] do_el0_svc+0x58/0x13c [ 83.804571][ T5307] el0_svc+0x78/0x1d0 [ 83.805219][ T5307] el0t_64_sync_handler+0xcc/0xe4 [ 83.806055][ T5307] el0t_64_sync+0x1a0/0x1a4 [ 83.806814][ T5307] irq event stamp: 80072 [ 83.807551][ T5307] hardirqs last enabled at (80071): [] __up_console_sem+0xb4/0xfc [ 83.809122][ T5307] hardirqs last disabled at (80072): [] el1_dbg+0x24/0x80 [ 83.810586][ T5307] softirqs last enabled at (79902): [] local_bh_enable+0x10/0x34 [ 83.812162][ T5307] softirqs last disabled at (79900): [] local_bh_disable+0x10/0x34 [ 83.813884][ T5307] ---[ end trace e96a4fc62db51c06 ]--- [ 83.815177][ T5307] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 83.817069][ T5307] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 83.818764][ T5307] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 83.981627][ T5329] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.32 (5329) [ 83.998896][ T5329] ------------[ cut here ]------------ [ 83.999940][ T5329] WARNING: CPU: 1 PID: 5329 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 84.001779][ T5329] Modules linked in: [ 84.002368][ T5329] CPU: 1 PID: 5329 Comm: syz.0.32 Tainted: G W syzkaller #0 [ 84.003802][ T5329] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.005513][ T5329] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 84.006881][ T5329] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 84.008020][ T5329] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 84.009152][ T5329] sp : ffff800021127540 [ 84.009836][ T5329] x29: ffff800021127710 x28: ffff0000d87cd9b0 x27: 1fffe0001bd74cfe [ 84.011125][ T5329] x26: 1fffe0001b0f9b0b x25: ffff0000d87cd850 x24: dfff800000000000 [ 84.012476][ T5329] x23: ffff0000deba67e8 x22: 1fffe0001b0f9b0a x21: ffff0000d87cd858 [ 84.013779][ T5329] x20: 00000000ffffffe4 x19: ffff0000cfa299d0 x18: 0000000000000001 [ 84.015137][ T5329] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 84.016463][ T5329] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 84.017832][ T5329] x11: 0000000000000000 x10: 0000000000000000 x9 : ff01a6a3860fe900 [ 84.019184][ T5329] x8 : ff01a6a3860fe900 x7 : 0000000000000001 x6 : 0000000000000001 [ 84.020550][ T5329] x5 : ffff800021126e58 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 84.021914][ T5329] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 84.023317][ T5329] Call trace: [ 84.023893][ T5329] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 84.024943][ T5329] __btrfs_end_transaction+0x13c/0x5f0 [ 84.025964][ T5329] btrfs_end_transaction+0x24/0x34 [ 84.026897][ T5329] btrfs_inc_block_group_ro+0x4ec/0x558 [ 84.027849][ T5329] btrfs_relocate_block_group+0x2b8/0x8a4 [ 84.028910][ T5329] btrfs_relocate_chunk+0xb8/0x280 [ 84.029752][ T5329] __btrfs_balance+0x112c/0x1b9c [ 84.030619][ T5329] btrfs_balance+0xac8/0x113c [ 84.031388][ T5329] btrfs_ioctl_balance+0x4cc/0x658 [ 84.032213][ T5329] btrfs_ioctl+0x20c/0xa8c [ 84.032970][ T5329] __arm64_sys_ioctl+0x14c/0x1c8 [ 84.033815][ T5329] invoke_syscall+0x98/0x2b0 [ 84.034567][ T5329] el0_svc_common+0x138/0x258 [ 84.035296][ T5329] do_el0_svc+0x58/0x13c [ 84.036080][ T5329] el0_svc+0x78/0x1d0 [ 84.036769][ T5329] el0t_64_sync_handler+0xcc/0xe4 [ 84.037650][ T5329] el0t_64_sync+0x1a0/0x1a4 [ 84.038428][ T5329] irq event stamp: 80452 [ 84.039133][ T5329] hardirqs last enabled at (80451): [] __up_console_sem+0xb4/0xfc [ 84.040669][ T5329] hardirqs last disabled at (80452): [] el1_dbg+0x24/0x80 [ 84.042192][ T5329] softirqs last enabled at (80294): [] local_bh_enable+0x10/0x34 [ 84.043776][ T5329] softirqs last disabled at (80292): [] local_bh_disable+0x10/0x34 [ 84.045309][ T5329] ---[ end trace e96a4fc62db51c07 ]--- [ 84.049430][ T5329] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 84.051216][ T5329] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 84.053037][ T5329] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left 1970/01/01 00:01:24 executed programs: 19 [ 84.216363][ T5351] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.33 (5351) [ 84.244571][ T5351] ------------[ cut here ]------------ [ 84.246518][ T5351] WARNING: CPU: 0 PID: 5351 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 84.248237][ T5351] Modules linked in: [ 84.248841][ T5351] CPU: 0 PID: 5351 Comm: syz.0.33 Tainted: G W syzkaller #0 [ 84.250308][ T5351] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.252041][ T5351] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 84.253318][ T5351] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 84.254467][ T5351] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 84.255586][ T5351] sp : ffff800021127540 [ 84.256244][ T5351] x29: ffff800021127710 x28: ffff0000d75c31b0 x27: 1fffe0001bd207ae [ 84.257627][ T5351] x26: 1fffe0001aeb860b x25: ffff0000d75c3050 x24: dfff800000000000 [ 84.258945][ T5351] x23: ffff0000de903d68 x22: 1fffe0001aeb860a x21: ffff0000d75c3058 [ 84.260254][ T5351] x20: 00000000ffffffe4 x19: ffff0000e7f699d0 x18: 0000000000000001 [ 84.261643][ T5351] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 84.262992][ T5351] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 84.264387][ T5351] x11: 0000000000000000 x10: 0000000000000000 x9 : 5ab44c2cff86e500 [ 84.265777][ T5351] x8 : 5ab44c2cff86e500 x7 : 0000000000000001 x6 : 0000000000000001 [ 84.267152][ T5351] x5 : ffff800021126e58 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 84.268453][ T5351] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 84.269647][ T5351] Call trace: [ 84.270178][ T5351] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 84.271217][ T5351] __btrfs_end_transaction+0x13c/0x5f0 [ 84.272140][ T5351] btrfs_end_transaction+0x24/0x34 [ 84.272991][ T5351] btrfs_inc_block_group_ro+0x4ec/0x558 [ 84.273967][ T5351] btrfs_relocate_block_group+0x2b8/0x8a4 [ 84.274986][ T5351] btrfs_relocate_chunk+0xb8/0x280 [ 84.275867][ T5351] __btrfs_balance+0x112c/0x1b9c [ 84.276664][ T5351] btrfs_balance+0xac8/0x113c [ 84.277410][ T5351] btrfs_ioctl_balance+0x4cc/0x658 [ 84.278439][ T5351] btrfs_ioctl+0x20c/0xa8c [ 84.279145][ T5351] __arm64_sys_ioctl+0x14c/0x1c8 [ 84.280007][ T5351] invoke_syscall+0x98/0x2b0 [ 84.280854][ T5351] el0_svc_common+0x138/0x258 [ 84.281596][ T5351] do_el0_svc+0x58/0x13c [ 84.282300][ T5351] el0_svc+0x78/0x1d0 [ 84.282937][ T5351] el0t_64_sync_handler+0xcc/0xe4 [ 84.283797][ T5351] el0t_64_sync+0x1a0/0x1a4 [ 84.284602][ T5351] irq event stamp: 80760 [ 84.285227][ T5351] hardirqs last enabled at (80759): [] __up_console_sem+0xb4/0xfc [ 84.286781][ T5351] hardirqs last disabled at (80760): [] el1_dbg+0x24/0x80 [ 84.288236][ T5351] softirqs last enabled at (80748): [] handle_softirqs+0xa40/0xbe4 [ 84.289869][ T5351] softirqs last disabled at (80647): [] __irq_exit_rcu+0x240/0x43c [ 84.291463][ T5351] ---[ end trace e96a4fc62db51c08 ]--- [ 84.293158][ T5351] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 84.295169][ T5351] btrfs_printk: 24 callbacks suppressed [ 84.295179][ T5351] BTRFS info (device loop0): forced readonly [ 84.297560][ T5351] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 84.299291][ T5351] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 84.300951][ T5351] BTRFS info (device loop0): balance: ended with status: -30 [ 84.441115][ T5373] set_capacity_and_notify: 8 callbacks suppressed [ 84.441124][ T5373] loop0: detected capacity change from 0 to 32768 [ 84.446740][ T5373] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.34 (5373) [ 84.452014][ T5373] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 84.453394][ T5373] BTRFS info (device loop0): using free space tree [ 84.454396][ T5373] BTRFS info (device loop0): has skinny extents [ 84.462871][ T5373] BTRFS info (device loop0): enabling ssd optimizations [ 84.467642][ T5373] BTRFS info (device loop0): balance: start -s [ 84.468970][ T5373] ------------[ cut here ]------------ [ 84.469966][ T5373] WARNING: CPU: 1 PID: 5373 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 84.471770][ T5373] Modules linked in: [ 84.472394][ T5373] CPU: 1 PID: 5373 Comm: syz.0.34 Tainted: G W syzkaller #0 [ 84.473801][ T5373] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.475549][ T5373] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 84.476852][ T5373] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 84.477970][ T5373] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 84.479126][ T5373] sp : ffff800021127540 [ 84.479835][ T5373] x29: ffff800021127710 x28: ffff0000d7b819b0 x27: 1fffe0001bd74d2a [ 84.481191][ T5373] x26: 1fffe0001af7030b x25: ffff0000d7b81850 x24: dfff800000000000 [ 84.482620][ T5373] x23: ffff0000deba6948 x22: 1fffe0001af7030a x21: ffff0000d7b81858 [ 84.483994][ T5373] x20: 00000000ffffffe4 x19: ffff0000eb8059d0 x18: 0000000000000001 [ 84.485303][ T5373] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 84.486672][ T5373] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 84.487953][ T5373] x11: 0000000000000000 x10: 0000000000000000 x9 : 92c390670ee5c800 [ 84.489315][ T5373] x8 : 92c390670ee5c800 x7 : 0000000000000001 x6 : 0000000000000001 [ 84.490718][ T5373] x5 : ffff800021126e58 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 84.492035][ T5373] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 84.493306][ T5373] Call trace: [ 84.493850][ T5373] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 84.494885][ T5373] __btrfs_end_transaction+0x13c/0x5f0 [ 84.495846][ T5373] btrfs_end_transaction+0x24/0x34 [ 84.496748][ T5373] btrfs_inc_block_group_ro+0x4ec/0x558 [ 84.497657][ T5373] btrfs_relocate_block_group+0x2b8/0x8a4 [ 84.498574][ T5373] btrfs_relocate_chunk+0xb8/0x280 [ 84.499434][ T5373] __btrfs_balance+0x112c/0x1b9c [ 84.500334][ T5373] btrfs_balance+0xac8/0x113c [ 84.501196][ T5373] btrfs_ioctl_balance+0x4cc/0x658 [ 84.502120][ T5373] btrfs_ioctl+0x20c/0xa8c [ 84.502887][ T5373] __arm64_sys_ioctl+0x14c/0x1c8 [ 84.503732][ T5373] invoke_syscall+0x98/0x2b0 [ 84.504576][ T5373] el0_svc_common+0x138/0x258 [ 84.505397][ T5373] do_el0_svc+0x58/0x13c [ 84.506118][ T5373] el0_svc+0x78/0x1d0 [ 84.506808][ T5373] el0t_64_sync_handler+0xcc/0xe4 [ 84.507605][ T5373] el0t_64_sync+0x1a0/0x1a4 [ 84.508324][ T5373] irq event stamp: 80686 [ 84.509047][ T5373] hardirqs last enabled at (80685): [] __up_console_sem+0xb4/0xfc [ 84.510798][ T5373] hardirqs last disabled at (80686): [] el1_dbg+0x24/0x80 [ 84.512291][ T5373] softirqs last enabled at (80518): [] local_bh_enable+0x10/0x34 [ 84.513907][ T5373] softirqs last disabled at (80516): [] local_bh_disable+0x10/0x34 [ 84.515451][ T5373] ---[ end trace e96a4fc62db51c09 ]--- [ 84.519364][ T5373] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 84.521072][ T5373] BTRFS info (device loop0): forced readonly [ 84.522070][ T5373] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 84.523631][ T5373] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 84.525973][ T5373] BTRFS info (device loop0): balance: ended with status: -30 [ 84.665380][ T5395] loop0: detected capacity change from 0 to 32768 [ 84.706339][ T5395] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.35 (5395) [ 84.737349][ T5395] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 84.738763][ T5395] BTRFS info (device loop0): using free space tree [ 84.739730][ T5395] BTRFS info (device loop0): has skinny extents [ 84.747257][ T5395] BTRFS info (device loop0): enabling ssd optimizations [ 84.756274][ T5395] BTRFS info (device loop0): balance: start -s [ 84.757636][ T5395] ------------[ cut here ]------------ [ 84.758697][ T5395] WARNING: CPU: 1 PID: 5395 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 84.760454][ T5395] Modules linked in: [ 84.761082][ T5395] CPU: 1 PID: 5395 Comm: syz.0.35 Tainted: G W syzkaller #0 [ 84.762599][ T5395] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.764259][ T5395] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 84.765597][ T5395] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 84.766688][ T5395] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 84.767831][ T5395] sp : ffff800021777540 [ 84.768668][ T5395] x29: ffff800021777710 x28: ffff0000dcb309b0 x27: 1fffe0001bd74d56 [ 84.770041][ T5395] x26: 1fffe0001b96610b x25: ffff0000dcb30850 x24: dfff800000000000 [ 84.771463][ T5395] x23: ffff0000deba6aa8 x22: 1fffe0001b96610a x21: ffff0000dcb30858 [ 84.772905][ T5395] x20: 00000000ffffffe4 x19: ffff0000eb8059d0 x18: 0000000000000001 [ 84.774236][ T5395] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 84.775614][ T5395] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 84.777012][ T5395] x11: 0000000000000000 x10: 0000000000000000 x9 : 560a3b028eac8000 [ 84.778427][ T5395] x8 : 560a3b028eac8000 x7 : 0000000000000001 x6 : 0000000000000001 [ 84.779861][ T5395] x5 : ffff800021776e58 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 84.781261][ T5395] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 84.782572][ T5395] Call trace: [ 84.783075][ T5395] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 84.784185][ T5395] __btrfs_end_transaction+0x13c/0x5f0 [ 84.785102][ T5395] btrfs_end_transaction+0x24/0x34 [ 84.785986][ T5395] btrfs_inc_block_group_ro+0x4ec/0x558 [ 84.786953][ T5395] btrfs_relocate_block_group+0x2b8/0x8a4 [ 84.788000][ T5395] btrfs_relocate_chunk+0xb8/0x280 [ 84.788801][ T5395] __btrfs_balance+0x112c/0x1b9c [ 84.789652][ T5395] btrfs_balance+0xac8/0x113c [ 84.790453][ T5395] btrfs_ioctl_balance+0x4cc/0x658 [ 84.791320][ T5395] btrfs_ioctl+0x20c/0xa8c [ 84.791994][ T5395] __arm64_sys_ioctl+0x14c/0x1c8 [ 84.792836][ T5395] invoke_syscall+0x98/0x2b0 [ 84.793563][ T5395] el0_svc_common+0x138/0x258 [ 84.794353][ T5395] do_el0_svc+0x58/0x13c [ 84.795116][ T5395] el0_svc+0x78/0x1d0 [ 84.795779][ T5395] el0t_64_sync_handler+0xcc/0xe4 [ 84.796646][ T5395] el0t_64_sync+0x1a0/0x1a4 [ 84.797439][ T5395] irq event stamp: 80572 [ 84.798222][ T5395] hardirqs last enabled at (80571): [] __up_console_sem+0xb4/0xfc [ 84.799939][ T5395] hardirqs last disabled at (80572): [] el1_dbg+0x24/0x80 [ 84.801317][ T5395] softirqs last enabled at (80412): [] local_bh_enable+0x10/0x34 [ 84.802988][ T5395] softirqs last disabled at (80410): [] local_bh_disable+0x10/0x34 [ 84.804653][ T5395] ---[ end trace e96a4fc62db51c0a ]--- [ 84.807307][ T5395] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 84.808972][ T5395] BTRFS info (device loop0): forced readonly [ 84.809902][ T5395] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 84.811796][ T5395] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 84.813601][ T5395] BTRFS info (device loop0): balance: ended with status: -30 [ 84.948329][ T5417] loop0: detected capacity change from 0 to 32768 [ 84.986241][ T5417] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.36 (5417) [ 85.007956][ T5417] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 85.009216][ T5417] BTRFS info (device loop0): using free space tree [ 85.010324][ T5417] BTRFS info (device loop0): has skinny extents [ 85.019078][ T5417] BTRFS info (device loop0): enabling ssd optimizations [ 85.023892][ T5417] BTRFS info (device loop0): balance: start -s [ 85.025664][ T5417] ------------[ cut here ]------------ [ 85.026669][ T5417] WARNING: CPU: 1 PID: 5417 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 85.028522][ T5417] Modules linked in: [ 85.029125][ T5417] CPU: 1 PID: 5417 Comm: syz.0.36 Tainted: G W syzkaller #0 [ 85.030541][ T5417] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 85.032138][ T5417] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 85.033428][ T5417] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 85.034618][ T5417] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 85.035648][ T5417] sp : ffff800021777540 [ 85.036345][ T5417] x29: ffff800021777710 x28: ffff0000de2ed1b0 x27: 1fffe0001bd74d82 [ 85.037706][ T5417] x26: 1fffe0001bc5da0b x25: ffff0000de2ed050 x24: dfff800000000000 [ 85.039079][ T5417] x23: ffff0000deba6c08 x22: 1fffe0001bc5da0a x21: ffff0000de2ed058 [ 85.040369][ T5417] x20: 00000000ffffffe4 x19: ffff0000e7f599d0 x18: 0000000000000001 [ 85.041777][ T5417] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 85.043117][ T5417] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 85.044330][ T5417] x11: 0000000000000000 x10: 0000000000000000 x9 : b60f0a8bab77a200 [ 85.045608][ T5417] x8 : b60f0a8bab77a200 x7 : 0000000000000001 x6 : 0000000000000001 [ 85.046930][ T5417] x5 : ffff800021776e58 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 85.048333][ T5417] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 85.049679][ T5417] Call trace: [ 85.050263][ T5417] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 85.051375][ T5417] __btrfs_end_transaction+0x13c/0x5f0 [ 85.052236][ T5417] btrfs_end_transaction+0x24/0x34 [ 85.053101][ T5417] btrfs_inc_block_group_ro+0x4ec/0x558 [ 85.054062][ T5417] btrfs_relocate_block_group+0x2b8/0x8a4 [ 85.055046][ T5417] btrfs_relocate_chunk+0xb8/0x280 [ 85.055973][ T5417] __btrfs_balance+0x112c/0x1b9c [ 85.056821][ T5417] btrfs_balance+0xac8/0x113c [ 85.057540][ T5417] btrfs_ioctl_balance+0x4cc/0x658 [ 85.058416][ T5417] btrfs_ioctl+0x20c/0xa8c [ 85.059164][ T5417] __arm64_sys_ioctl+0x14c/0x1c8 [ 85.059929][ T5417] invoke_syscall+0x98/0x2b0 [ 85.060600][ T5417] el0_svc_common+0x138/0x258 [ 85.061316][ T5417] do_el0_svc+0x58/0x13c [ 85.062034][ T5417] el0_svc+0x78/0x1d0 [ 85.062709][ T5417] el0t_64_sync_handler+0xcc/0xe4 [ 85.063581][ T5417] el0t_64_sync+0x1a0/0x1a4 [ 85.064324][ T5417] irq event stamp: 81158 [ 85.065064][ T5417] hardirqs last enabled at (81157): [] __up_console_sem+0xb4/0xfc [ 85.066730][ T5417] hardirqs last disabled at (81158): [] el1_dbg+0x24/0x80 [ 85.068198][ T5417] softirqs last enabled at (81046): [] handle_softirqs+0xa40/0xbe4 [ 85.069831][ T5417] softirqs last disabled at (81025): [] __irq_exit_rcu+0x240/0x43c [ 85.071554][ T5417] ---[ end trace e96a4fc62db51c0b ]--- [ 85.075297][ T5417] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 85.077043][ T5417] BTRFS info (device loop0): forced readonly [ 85.078186][ T5417] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 85.080141][ T5417] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 85.081825][ T5417] BTRFS info (device loop0): balance: ended with status: -30 [ 85.223234][ T5439] loop0: detected capacity change from 0 to 32768 [ 85.228833][ T5439] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.37 (5439) [ 85.232256][ T5439] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 85.233673][ T5439] BTRFS info (device loop0): using free space tree [ 85.234778][ T5439] BTRFS info (device loop0): has skinny extents [ 85.242934][ T5439] BTRFS info (device loop0): enabling ssd optimizations [ 85.248025][ T5439] BTRFS info (device loop0): balance: start -s [ 85.250529][ T5439] ------------[ cut here ]------------ [ 85.251533][ T5439] WARNING: CPU: 1 PID: 5439 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 85.253323][ T5439] Modules linked in: [ 85.254003][ T5439] CPU: 1 PID: 5439 Comm: syz.0.37 Tainted: G W syzkaller #0 [ 85.255435][ T5439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 85.257161][ T5439] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 85.258497][ T5439] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 85.259587][ T5439] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 85.260702][ T5439] sp : ffff800021777540 [ 85.261408][ T5439] x29: ffff800021777710 x28: ffff0000d79d41b0 x27: 1fffe0001bd74dae [ 85.262695][ T5439] x26: 1fffe0001af3a80b x25: ffff0000d79d4050 x24: dfff800000000000 [ 85.263969][ T5439] x23: ffff0000deba6d68 x22: 1fffe0001af3a80a x21: ffff0000d79d4058 [ 85.265330][ T5439] x20: 00000000ffffffe4 x19: ffff0000c7e9d9d0 x18: 0000000000000001 [ 85.266781][ T5439] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 85.268152][ T5439] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 85.269556][ T5439] x11: 0000000000000000 x10: 0000000000000000 x9 : 547f531caeed1700 [ 85.270925][ T5439] x8 : 547f531caeed1700 x7 : 0000000000000001 x6 : 0000000000000001 [ 85.272298][ T5439] x5 : ffff800021776e58 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 85.273626][ T5439] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 85.274984][ T5439] Call trace: [ 85.275529][ T5439] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 85.276453][ T5439] __btrfs_end_transaction+0x13c/0x5f0 [ 85.277362][ T5439] btrfs_end_transaction+0x24/0x34 [ 85.278164][ T5439] btrfs_inc_block_group_ro+0x4ec/0x558 [ 85.279025][ T5439] btrfs_relocate_block_group+0x2b8/0x8a4 [ 85.279915][ T5439] btrfs_relocate_chunk+0xb8/0x280 [ 85.280860][ T5439] __btrfs_balance+0x112c/0x1b9c [ 85.281709][ T5439] btrfs_balance+0xac8/0x113c [ 85.282507][ T5439] btrfs_ioctl_balance+0x4cc/0x658 [ 85.283342][ T5439] btrfs_ioctl+0x20c/0xa8c [ 85.284081][ T5439] __arm64_sys_ioctl+0x14c/0x1c8 [ 85.285155][ T5439] invoke_syscall+0x98/0x2b0 [ 85.285985][ T5439] el0_svc_common+0x138/0x258 [ 85.286758][ T5439] do_el0_svc+0x58/0x13c [ 85.287515][ T5439] el0_svc+0x78/0x1d0 [ 85.288227][ T5439] el0t_64_sync_handler+0xcc/0xe4 [ 85.289022][ T5439] el0t_64_sync+0x1a0/0x1a4 [ 85.289770][ T5439] irq event stamp: 80104 [ 85.290478][ T5439] hardirqs last enabled at (80103): [] __up_console_sem+0xb4/0xfc [ 85.292123][ T5439] hardirqs last disabled at (80104): [] el1_dbg+0x24/0x80 [ 85.293611][ T5439] softirqs last enabled at (79934): [] local_bh_enable+0x10/0x34 [ 85.295164][ T5439] softirqs last disabled at (79932): [] local_bh_disable+0x10/0x34 [ 85.296756][ T5439] ---[ end trace e96a4fc62db51c0c ]--- [ 85.298004][ T5439] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 85.299759][ T5439] BTRFS info (device loop0): forced readonly [ 85.300770][ T5439] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 85.302660][ T5439] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 85.304442][ T5439] BTRFS info (device loop0): balance: ended with status: -30 [ 85.449642][ T5461] loop0: detected capacity change from 0 to 32768 [ 85.540087][ T5461] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.38 (5461) [ 85.543836][ T5461] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 85.545639][ T5461] BTRFS info (device loop0): using free space tree [ 85.546608][ T5461] BTRFS info (device loop0): has skinny extents [ 85.556650][ T5461] BTRFS info (device loop0): enabling ssd optimizations [ 85.561723][ T5461] BTRFS info (device loop0): balance: start -s [ 85.563182][ T5461] ------------[ cut here ]------------ [ 85.564256][ T5461] WARNING: CPU: 1 PID: 5461 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 85.566119][ T5461] Modules linked in: [ 85.566782][ T5461] CPU: 1 PID: 5461 Comm: syz.0.38 Tainted: G W syzkaller #0 [ 85.568223][ T5461] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 85.569787][ T5461] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 85.571130][ T5461] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 85.572239][ T5461] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 85.573405][ T5461] sp : ffff800021ab7540 [ 85.574114][ T5461] x29: ffff800021ab7710 x28: ffff0000cba9c9b0 x27: 1fffe0001bd74dc4 [ 85.575473][ T5461] x26: 1fffe0001975390b x25: ffff0000cba9c850 x24: dfff800000000000 [ 85.576888][ T5461] x23: ffff0000deba6e18 x22: 1fffe0001975390a x21: ffff0000cba9c858 [ 85.578242][ T5461] x20: 00000000ffffffe4 x19: ffff0000eb8bd9d0 x18: 0000000000000001 [ 85.579674][ T5461] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 85.581203][ T5461] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 85.582598][ T5461] x11: 0000000000000000 x10: 0000000000000000 x9 : 7919dd9fd8069e00 [ 85.583887][ T5461] x8 : 7919dd9fd8069e00 x7 : 0000000000000001 x6 : 0000000000000001 [ 85.585241][ T5461] x5 : ffff800021ab6e58 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 85.586675][ T5461] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 85.588091][ T5461] Call trace: [ 85.588660][ T5461] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 85.589805][ T5461] __btrfs_end_transaction+0x13c/0x5f0 [ 85.590760][ T5461] btrfs_end_transaction+0x24/0x34 [ 85.591631][ T5461] btrfs_inc_block_group_ro+0x4ec/0x558 [ 85.592591][ T5461] btrfs_relocate_block_group+0x2b8/0x8a4 [ 85.593515][ T5461] btrfs_relocate_chunk+0xb8/0x280 [ 85.594382][ T5461] __btrfs_balance+0x112c/0x1b9c [ 85.595262][ T5461] btrfs_balance+0xac8/0x113c [ 85.596057][ T5461] btrfs_ioctl_balance+0x4cc/0x658 [ 85.596923][ T5461] btrfs_ioctl+0x20c/0xa8c [ 85.597660][ T5461] __arm64_sys_ioctl+0x14c/0x1c8 [ 85.598522][ T5461] invoke_syscall+0x98/0x2b0 [ 85.599224][ T5461] el0_svc_common+0x138/0x258 [ 85.600034][ T5461] do_el0_svc+0x58/0x13c [ 85.600781][ T5461] el0_svc+0x78/0x1d0 [ 85.601447][ T5461] el0t_64_sync_handler+0xcc/0xe4 [ 85.602323][ T5461] el0t_64_sync+0x1a0/0x1a4 [ 85.603100][ T5461] irq event stamp: 81448 [ 85.603807][ T5461] hardirqs last enabled at (81447): [] __up_console_sem+0xb4/0xfc [ 85.605476][ T5461] hardirqs last disabled at (81448): [] el1_dbg+0x24/0x80 [ 85.607038][ T5461] softirqs last enabled at (81276): [] local_bh_enable+0x10/0x34 [ 85.608692][ T5461] softirqs last disabled at (81274): [] local_bh_disable+0x10/0x34 [ 85.610356][ T5461] ---[ end trace e96a4fc62db51c0d ]--- [ 85.611479][ T5461] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 85.613077][ T5461] BTRFS info (device loop0): forced readonly [ 85.614056][ T5461] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 85.615952][ T5461] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 85.617806][ T5461] BTRFS info (device loop0): balance: ended with status: -30 [ 85.754235][ T5483] loop0: detected capacity change from 0 to 32768 [ 85.810190][ T5483] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.39 (5483) [ 85.814635][ T5483] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 85.816063][ T5483] BTRFS info (device loop0): using free space tree [ 85.817161][ T5483] BTRFS info (device loop0): has skinny extents [ 85.824472][ T5483] BTRFS info (device loop0): enabling ssd optimizations [ 85.829729][ T5483] BTRFS info (device loop0): balance: start -s [ 85.831115][ T5483] ------------[ cut here ]------------ [ 85.832065][ T5483] WARNING: CPU: 1 PID: 5483 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 85.834009][ T5483] Modules linked in: [ 85.834743][ T5483] CPU: 1 PID: 5483 Comm: syz.0.39 Tainted: G W syzkaller #0 [ 85.836238][ T5483] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 85.837908][ T5483] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 85.839321][ T5483] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 85.840516][ T5483] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 85.841686][ T5483] sp : ffff800021bd7540 [ 85.842396][ T5483] x29: ffff800021bd7710 x28: ffff0000d76489b0 x27: 1fffe0001bd74df0 [ 85.843843][ T5483] x26: 1fffe0001aec910b x25: ffff0000d7648850 x24: dfff800000000000 [ 85.845244][ T5483] x23: ffff0000deba6f78 x22: 1fffe0001aec910a x21: ffff0000d7648858 [ 85.846658][ T5483] x20: 00000000ffffffe4 x19: ffff0000eb8bd9d0 x18: 0000000000000001 [ 85.847910][ T5483] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 85.849202][ T5483] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 85.850483][ T5483] x11: 0000000000000000 x10: 0000000000000000 x9 : 9f726d7a53507a00 [ 85.851883][ T5483] x8 : 9f726d7a53507a00 x7 : 0000000000000001 x6 : 0000000000000001 [ 85.853160][ T5483] x5 : ffff800021bd6e58 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 85.854565][ T5483] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 85.855968][ T5483] Call trace: [ 85.856549][ T5483] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 85.857562][ T5483] __btrfs_end_transaction+0x13c/0x5f0 [ 85.858510][ T5483] btrfs_end_transaction+0x24/0x34 [ 85.859351][ T5483] btrfs_inc_block_group_ro+0x4ec/0x558 [ 85.860159][ T5483] btrfs_relocate_block_group+0x2b8/0x8a4 [ 85.861014][ T5483] btrfs_relocate_chunk+0xb8/0x280 [ 85.861796][ T5483] __btrfs_balance+0x112c/0x1b9c [ 85.862628][ T5483] btrfs_balance+0xac8/0x113c [ 85.863409][ T5483] btrfs_ioctl_balance+0x4cc/0x658 [ 85.864234][ T5483] btrfs_ioctl+0x20c/0xa8c [ 85.864934][ T5483] __arm64_sys_ioctl+0x14c/0x1c8 [ 85.865769][ T5483] invoke_syscall+0x98/0x2b0 [ 85.866544][ T5483] el0_svc_common+0x138/0x258 [ 85.867337][ T5483] do_el0_svc+0x58/0x13c [ 85.868025][ T5483] el0_svc+0x78/0x1d0 [ 85.868660][ T5483] el0t_64_sync_handler+0xcc/0xe4 [ 85.869379][ T5483] el0t_64_sync+0x1a0/0x1a4 [ 85.870056][ T5483] irq event stamp: 80498 [ 85.870735][ T5483] hardirqs last enabled at (80497): [] __up_console_sem+0xb4/0xfc [ 85.872211][ T5483] hardirqs last disabled at (80498): [] el1_dbg+0x24/0x80 [ 85.873649][ T5483] softirqs last enabled at (80328): [] local_bh_enable+0x10/0x34 [ 85.875228][ T5483] softirqs last disabled at (80326): [] local_bh_disable+0x10/0x34 [ 85.876764][ T5483] ---[ end trace e96a4fc62db51c0e ]--- [ 85.878090][ T5483] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 85.879715][ T5483] BTRFS info (device loop0): forced readonly [ 85.880739][ T5483] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 85.882658][ T5483] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 85.884514][ T5483] BTRFS info (device loop0): balance: ended with status: -30 [ 86.019721][ T5505] loop0: detected capacity change from 0 to 32768 [ 86.106422][ T5505] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.40 (5505) [ 86.112733][ T5505] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 86.114164][ T5505] BTRFS info (device loop0): using free space tree [ 86.115334][ T5505] BTRFS info (device loop0): has skinny extents [ 86.123082][ T5505] BTRFS info (device loop0): enabling ssd optimizations [ 86.128368][ T5505] BTRFS info (device loop0): balance: start -s [ 86.129726][ T5505] ------------[ cut here ]------------ [ 86.130778][ T5505] WARNING: CPU: 1 PID: 5505 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 86.132560][ T5505] Modules linked in: [ 86.133187][ T5505] CPU: 1 PID: 5505 Comm: syz.0.40 Tainted: G W syzkaller #0 [ 86.134776][ T5505] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 86.136662][ T5505] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 86.137923][ T5505] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 86.139039][ T5505] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 86.140152][ T5505] sp : ffff800021ab7540 [ 86.140911][ T5505] x29: ffff800021ab7710 x28: ffff0000e7e5c9b0 x27: 1fffe0001bd74c4e [ 86.142310][ T5505] x26: 1fffe0001cfcb90b x25: ffff0000e7e5c850 x24: dfff800000000000 [ 86.143682][ T5505] x23: ffff0000deba6268 x22: 1fffe0001cfcb90a x21: ffff0000e7e5c858 [ 86.145053][ T5505] x20: 00000000ffffffe4 x19: ffff0000ce0959d0 x18: 0000000000000001 [ 86.146451][ T5505] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 86.147740][ T5505] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 86.149078][ T5505] x11: 0000000000000000 x10: 0000000000000000 x9 : ae895cddfd459800 [ 86.150326][ T5505] x8 : ae895cddfd459800 x7 : 0000000000000001 x6 : 0000000000000001 [ 86.151797][ T5505] x5 : ffff800021ab6e58 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 86.153113][ T5505] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 86.154500][ T5505] Call trace: [ 86.155093][ T5505] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 86.156254][ T5505] __btrfs_end_transaction+0x13c/0x5f0 [ 86.157159][ T5505] btrfs_end_transaction+0x24/0x34 [ 86.158041][ T5505] btrfs_inc_block_group_ro+0x4ec/0x558 [ 86.158931][ T5505] btrfs_relocate_block_group+0x2b8/0x8a4 [ 86.159928][ T5505] btrfs_relocate_chunk+0xb8/0x280 [ 86.160812][ T5505] __btrfs_balance+0x112c/0x1b9c [ 86.161722][ T5505] btrfs_balance+0xac8/0x113c [ 86.162621][ T5505] btrfs_ioctl_balance+0x4cc/0x658 [ 86.163606][ T5505] btrfs_ioctl+0x20c/0xa8c [ 86.164398][ T5505] __arm64_sys_ioctl+0x14c/0x1c8 [ 86.165313][ T5505] invoke_syscall+0x98/0x2b0 [ 86.166108][ T5505] el0_svc_common+0x138/0x258 [ 86.166928][ T5505] do_el0_svc+0x58/0x13c [ 86.167596][ T5505] el0_svc+0x78/0x1d0 [ 86.168225][ T5505] el0t_64_sync_handler+0xcc/0xe4 [ 86.169097][ T5505] el0t_64_sync+0x1a0/0x1a4 [ 86.169859][ T5505] irq event stamp: 80106 [ 86.170556][ T5505] hardirqs last enabled at (80105): [] __up_console_sem+0xb4/0xfc [ 86.172130][ T5505] hardirqs last disabled at (80106): [] el1_dbg+0x24/0x80 [ 86.173596][ T5505] softirqs last enabled at (79940): [] local_bh_enable+0x10/0x34 [ 86.175162][ T5505] softirqs last disabled at (79938): [] local_bh_disable+0x10/0x34 [ 86.176799][ T5505] ---[ end trace e96a4fc62db51c0f ]--- [ 86.178503][ T5505] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 86.180269][ T5505] BTRFS info (device loop0): forced readonly [ 86.181486][ T5505] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 86.183240][ T5505] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 86.185196][ T5505] BTRFS info (device loop0): balance: ended with status: -30 [ 86.332289][ T5527] loop0: detected capacity change from 0 to 32768 [ 86.379481][ T5527] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.41 (5527) [ 86.384245][ T5527] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 86.385710][ T5527] BTRFS info (device loop0): using free space tree [ 86.386710][ T5527] BTRFS info (device loop0): has skinny extents [ 86.393959][ T5527] BTRFS info (device loop0): enabling ssd optimizations [ 86.399671][ T5527] BTRFS info (device loop0): balance: start -s [ 86.401015][ T5527] ------------[ cut here ]------------ [ 86.401981][ T5527] WARNING: CPU: 0 PID: 5527 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 86.403819][ T5527] Modules linked in: [ 86.404430][ T5527] CPU: 0 PID: 5527 Comm: syz.0.41 Tainted: G W syzkaller #0 [ 86.405836][ T5527] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 86.407493][ T5527] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 86.408813][ T5527] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 86.410015][ T5527] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 86.411218][ T5527] sp : ffff800021f27540 [ 86.411932][ T5527] x29: ffff800021f27710 x28: ffff0000d7b799b0 x27: 1fffe0001bd2076c [ 86.413223][ T5527] x26: 1fffe0001af6f30b x25: ffff0000d7b79850 x24: dfff800000000000 [ 86.414588][ T5527] x23: ffff0000de903b58 x22: 1fffe0001af6f30a x21: ffff0000d7b79858 [ 86.416046][ T5527] x20: 00000000ffffffe4 x19: ffff0000daa559d0 x18: 0000000000000001 [ 86.417460][ T5527] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 86.418852][ T5527] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 86.420208][ T5527] x11: 0000000000000000 x10: 0000000000000000 x9 : a50355950a510300 [ 86.421570][ T5527] x8 : a50355950a510300 x7 : 0000000000000001 x6 : 0000000000000001 [ 86.422954][ T5527] x5 : ffff800021f26e58 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 86.424333][ T5527] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 86.425726][ T5527] Call trace: [ 86.426248][ T5527] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 86.427291][ T5527] __btrfs_end_transaction+0x13c/0x5f0 [ 86.428212][ T5527] btrfs_end_transaction+0x24/0x34 [ 86.429117][ T5527] btrfs_inc_block_group_ro+0x4ec/0x558 [ 86.430122][ T5527] btrfs_relocate_block_group+0x2b8/0x8a4 [ 86.431074][ T5527] btrfs_relocate_chunk+0xb8/0x280 [ 86.431968][ T5527] __btrfs_balance+0x112c/0x1b9c [ 86.432784][ T5527] btrfs_balance+0xac8/0x113c [ 86.433556][ T5527] btrfs_ioctl_balance+0x4cc/0x658 [ 86.434421][ T5527] btrfs_ioctl+0x20c/0xa8c [ 86.435196][ T5527] __arm64_sys_ioctl+0x14c/0x1c8 [ 86.436042][ T5527] invoke_syscall+0x98/0x2b0 [ 86.436823][ T5527] el0_svc_common+0x138/0x258 [ 86.437599][ T5527] do_el0_svc+0x58/0x13c [ 86.438305][ T5527] el0_svc+0x78/0x1d0 [ 86.438987][ T5527] el0t_64_sync_handler+0xcc/0xe4 [ 86.439846][ T5527] el0t_64_sync+0x1a0/0x1a4 [ 86.440595][ T5527] irq event stamp: 80598 [ 86.441257][ T5527] hardirqs last enabled at (80597): [] __up_console_sem+0xb4/0xfc [ 86.442827][ T5527] hardirqs last disabled at (80598): [] el1_dbg+0x24/0x80 [ 86.444311][ T5527] softirqs last enabled at (80436): [] local_bh_enable+0x10/0x34 [ 86.445898][ T5527] softirqs last disabled at (80434): [] local_bh_disable+0x10/0x34 [ 86.447476][ T5527] ---[ end trace e96a4fc62db51c10 ]--- [ 86.451162][ T5527] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 86.452856][ T5527] BTRFS info (device loop0): forced readonly [ 86.453888][ T5527] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 86.456685][ T5527] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 86.458438][ T5527] BTRFS info (device loop0): balance: ended with status: -30 [ 86.592814][ T5549] loop0: detected capacity change from 0 to 32768 [ 86.628061][ T5549] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.42 (5549) [ 86.631274][ T5549] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 86.632588][ T5549] BTRFS info (device loop0): using free space tree [ 86.633700][ T5549] BTRFS info (device loop0): has skinny extents [ 86.643831][ T5549] BTRFS info (device loop0): enabling ssd optimizations [ 86.652611][ T5549] BTRFS info (device loop0): balance: start -s [ 86.653913][ T5549] ------------[ cut here ]------------ [ 86.655027][ T5549] WARNING: CPU: 1 PID: 5549 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 86.656844][ T5549] Modules linked in: [ 86.657492][ T5549] CPU: 1 PID: 5549 Comm: syz.0.42 Tainted: G W syzkaller #0 [ 86.658937][ T5549] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 86.660520][ T5549] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 86.661818][ T5549] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 86.662955][ T5549] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 86.664180][ T5549] sp : ffff800021987540 [ 86.664862][ T5549] x29: ffff800021987710 x28: ffff0000d83919b0 x27: 1fffe0001bd74c90 [ 86.666289][ T5549] x26: 1fffe0001b07230b x25: ffff0000d8391850 x24: dfff800000000000 [ 86.667699][ T5549] x23: ffff0000deba6478 x22: 1fffe0001b07230a x21: ffff0000d8391858 [ 86.669055][ T5549] x20: 00000000ffffffe4 x19: ffff0000daef19d0 x18: 0000000000000001 [ 86.670417][ T5549] x17: 0000000000000000 x16: ffff800008304c04 x15: 00000000ffffffff [ 86.671875][ T5549] x14: 0000000000000001 x13: 1ffff00004330dc8 x12: 0000000000ff0100 [ 86.673214][ T5549] x11: 0000000000000000 x10: 0000000000000000 x9 : e304186252472800 [ 86.674594][ T5549] x8 : e304186252472800 x7 : 0000000000000001 x6 : 0000000000000001 [ 86.675947][ T5549] x5 : ffff800021986e58 x4 : ffff80001437f3e0 x3 : ffff800008304d14 [ 86.677322][ T5549] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 86.678725][ T5549] Call trace: [ 86.679273][ T5549] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 86.680385][ T5549] __btrfs_end_transaction+0x13c/0x5f0 [ 86.681307][ T5549] btrfs_end_transaction+0x24/0x34 [ 86.682131][ T5549] btrfs_inc_block_group_ro+0x4ec/0x558 [ 86.682950][ T5549] btrfs_relocate_block_group+0x2b8/0x8a4 [ 86.683863][ T5549] btrfs_relocate_chunk+0xb8/0x280 [ 86.684681][ T5549] __btrfs_balance+0x112c/0x1b9c [ 86.685494][ T5549] btrfs_balance+0xac8/0x113c [ 86.686272][ T5549] btrfs_ioctl_balance+0x4cc/0x658 [ 86.687142][ T5549] btrfs_ioctl+0x20c/0xa8c [ 86.687929][ T5549] __arm64_sys_ioctl+0x14c/0x1c8 [ 86.688847][ T5549] invoke_syscall+0x98/0x2b0 [ 86.689628][ T5549] el0_svc_common+0x138/0x258 [ 86.690434][ T5549] do_el0_svc+0x58/0x13c [ 86.691115][ T5549] el0_svc+0x78/0x1d0 [ 86.691851][ T5549] el0t_64_sync_handler+0xcc/0xe4 [ 86.692733][ T5549] el0t_64_sync+0x1a0/0x1a4 [ 86.693450][ T5549] irq event stamp: 80568 [ 86.694160][ T5549] hardirqs last enabled at (80567): [] __up_console_sem+0xb4/0xfc [ 86.695733][ T5549] hardirqs last disabled at (80568): [] el1_dbg+0x24/0x80 [ 86.697114][ T5549] softirqs last enabled at (80558): [] handle_softirqs+0xa40/0xbe4 [ 86.698740][ T5549] softirqs last disabled at (80547): [] __irq_exit_rcu+0x240/0x43c [ 86.700351][ T5549] ---[ end trace e96a4fc62db51c11 ]--- [ 86.701392][ T5549] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 86.702864][ T5549] BTRFS info (device loop0): forced readonly [ 86.703788][ T5549] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 86.705546][ T5549] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 86.707431][ T5549] BTRFS info (device loop0): balance: ended with status: -30 [ 86.838492][ T5571] loop0: detected capacity change from 0 to 32768 [ 86.841023][ T5571] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.43 (5571) [ 86.845060][ T5571] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 86.846286][ T5571] BTRFS info (device loop0): using free space tree [ 86.847232][ T5571] BTRFS info (device loop0): has skinny extents [ 86.863326][ T5571] BTRFS info (device loop0): enabling ssd optimizations [ 86.869116][ T5571] BTRFS info (device loop0): balance: start -s [ 86.870594][ T5571] ------------[ cut here ]------------ [ 86.871639][ T5571] WARNING: CPU: 0 PID: 5571 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 86.873453][ T5571] Modules linked in: [ 86.874047][ T5571] CPU: 0 PID: 5571 Comm: syz.0.43 Tainted: G W syzkaller #0 [ 86.875436][ T5571] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 86.877118][ T5571] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 86.878450][ T5571] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 86.879572][ T5571] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 86.880697][ T5571] sp : ffff800021987540 [ 86.881407][ T5571] x29: ffff800021987710 x28: ffff0000d192f9b0 x27: 1fffe0001bd20714 [ 86.882727][ T5571] x26: 1fffe0001a325f0b x25: ffff0000d192f850 x24: dfff800000000000 [ 86.884115][ T5571] x23: ffff0000de903898 x22: 1fffe0001a325f0a x21: ffff0000d192f858 [ 86.885353][ T5571] x20: 00000000ffffffe4 x19: ffff0000d1bc99d0 x18: 0000000000000001 [ 86.886660][ T5571] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 86.887925][ T5571] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 86.889210][ T5571] x11: 0000000000000000 x10: 0000000000000000 x9 : 37c3ff6c01441a00 [ 86.890574][ T5571] x8 : 37c3ff6c01441a00 x7 : 0000000000000001 x6 : 0000000000000001 [ 86.891894][ T5571] x5 : ffff800021986e58 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 86.893253][ T5571] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 86.894637][ T5571] Call trace: [ 86.895189][ T5571] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 86.896266][ T5571] __btrfs_end_transaction+0x13c/0x5f0 [ 86.897171][ T5571] btrfs_end_transaction+0x24/0x34 [ 86.898053][ T5571] btrfs_inc_block_group_ro+0x4ec/0x558 [ 86.899007][ T5571] btrfs_relocate_block_group+0x2b8/0x8a4 [ 86.900012][ T5571] btrfs_relocate_chunk+0xb8/0x280 [ 86.900821][ T5571] __btrfs_balance+0x112c/0x1b9c [ 86.901654][ T5571] btrfs_balance+0xac8/0x113c [ 86.902445][ T5571] btrfs_ioctl_balance+0x4cc/0x658 [ 86.903286][ T5571] btrfs_ioctl+0x20c/0xa8c [ 86.904025][ T5571] __arm64_sys_ioctl+0x14c/0x1c8 [ 86.904865][ T5571] invoke_syscall+0x98/0x2b0 [ 86.905566][ T5571] el0_svc_common+0x138/0x258 [ 86.906335][ T5571] do_el0_svc+0x58/0x13c [ 86.907015][ T5571] el0_svc+0x78/0x1d0 [ 86.907690][ T5571] el0t_64_sync_handler+0xcc/0xe4 [ 86.908525][ T5571] el0t_64_sync+0x1a0/0x1a4 [ 86.909372][ T5571] irq event stamp: 79904 [ 86.910062][ T5571] hardirqs last enabled at (79903): [] __up_console_sem+0xb4/0xfc [ 86.911606][ T5571] hardirqs last disabled at (79904): [] el1_dbg+0x24/0x80 [ 86.913024][ T5571] softirqs last enabled at (79720): [] local_bh_enable+0x10/0x34 [ 86.914649][ T5571] softirqs last disabled at (79718): [] local_bh_disable+0x10/0x34 [ 86.916299][ T5571] ---[ end trace e96a4fc62db51c12 ]--- [ 86.920521][ T5571] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 86.922296][ T5571] BTRFS info (device loop0): forced readonly [ 86.923305][ T5571] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 86.925448][ T5571] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 86.927123][ T5571] BTRFS info (device loop0): balance: ended with status: -30 [ 87.070143][ T5593] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.44 (5593) [ 87.074612][ T5593] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 87.076221][ T5593] BTRFS info (device loop0): using free space tree [ 87.077250][ T5593] BTRFS info (device loop0): has skinny extents [ 87.084414][ T5593] BTRFS info (device loop0): enabling ssd optimizations [ 87.089609][ T5593] BTRFS info (device loop0): balance: start -s [ 87.090862][ T5593] ------------[ cut here ]------------ [ 87.091843][ T5593] WARNING: CPU: 1 PID: 5593 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 87.093793][ T5593] Modules linked in: [ 87.094460][ T5593] CPU: 1 PID: 5593 Comm: syz.0.44 Tainted: G W syzkaller #0 [ 87.095916][ T5593] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 87.097642][ T5593] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 87.099021][ T5593] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 87.100104][ T5593] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 87.101221][ T5593] sp : ffff800021987540 [ 87.101943][ T5593] x29: ffff800021987710 x28: ffff0000c19c99b0 x27: 1fffe0001bd74c38 [ 87.103410][ T5593] x26: 1fffe0001833930b x25: ffff0000c19c9850 x24: dfff800000000000 [ 87.104807][ T5593] x23: ffff0000deba61b8 x22: 1fffe0001833930a x21: ffff0000c19c9858 [ 87.106140][ T5593] x20: 00000000ffffffe4 x19: ffff0000c25359d0 x18: 0000000000000001 [ 87.107503][ T5593] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 87.108852][ T5593] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 87.110151][ T5593] x11: 0000000000000000 x10: 0000000000000000 x9 : e781a9a6cc785d00 [ 87.111441][ T5593] x8 : e781a9a6cc785d00 x7 : 0000000000000001 x6 : 0000000000000001 [ 87.112814][ T5593] x5 : ffff800021986e58 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 87.114199][ T5593] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 87.115631][ T5593] Call trace: [ 87.116204][ T5593] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 87.117265][ T5593] __btrfs_end_transaction+0x13c/0x5f0 [ 87.118156][ T5593] btrfs_end_transaction+0x24/0x34 [ 87.119021][ T5593] btrfs_inc_block_group_ro+0x4ec/0x558 [ 87.119955][ T5593] btrfs_relocate_block_group+0x2b8/0x8a4 [ 87.120828][ T5593] btrfs_relocate_chunk+0xb8/0x280 [ 87.121668][ T5593] __btrfs_balance+0x112c/0x1b9c [ 87.122511][ T5593] btrfs_balance+0xac8/0x113c [ 87.123313][ T5593] btrfs_ioctl_balance+0x4cc/0x658 [ 87.124150][ T5593] btrfs_ioctl+0x20c/0xa8c [ 87.124872][ T5593] __arm64_sys_ioctl+0x14c/0x1c8 [ 87.125724][ T5593] invoke_syscall+0x98/0x2b0 [ 87.126529][ T5593] el0_svc_common+0x138/0x258 [ 87.127294][ T5593] do_el0_svc+0x58/0x13c [ 87.128013][ T5593] el0_svc+0x78/0x1d0 [ 87.128660][ T5593] el0t_64_sync_handler+0xcc/0xe4 [ 87.129526][ T5593] el0t_64_sync+0x1a0/0x1a4 [ 87.130339][ T5593] irq event stamp: 81248 [ 87.131090][ T5593] hardirqs last enabled at (81247): [] __up_console_sem+0xb4/0xfc [ 87.132765][ T5593] hardirqs last disabled at (81248): [] el1_dbg+0x24/0x80 [ 87.134226][ T5593] softirqs last enabled at (81068): [] local_bh_enable+0x10/0x34 [ 87.135787][ T5593] softirqs last disabled at (81066): [] local_bh_disable+0x10/0x34 [ 87.137321][ T5593] ---[ end trace e96a4fc62db51c13 ]--- [ 87.138846][ T5593] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 87.140567][ T5593] BTRFS info (device loop0): forced readonly [ 87.142291][ T5593] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 87.144045][ T5593] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 87.146321][ T5593] BTRFS info (device loop0): balance: ended with status: -30 [ 87.295948][ T5615] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.45 (5615) [ 87.300588][ T5615] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 87.301987][ T5615] BTRFS info (device loop0): using free space tree [ 87.303091][ T5615] BTRFS info (device loop0): has skinny extents [ 87.311164][ T5615] BTRFS info (device loop0): enabling ssd optimizations [ 87.315719][ T5615] BTRFS info (device loop0): balance: start -s [ 87.317015][ T5615] ------------[ cut here ]------------ [ 87.318085][ T5615] WARNING: CPU: 1 PID: 5615 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 87.320027][ T5615] Modules linked in: [ 87.320684][ T5615] CPU: 1 PID: 5615 Comm: syz.0.45 Tainted: G W syzkaller #0 [ 87.322101][ T5615] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 87.323795][ T5615] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 87.325223][ T5615] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 87.326350][ T5615] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 87.327432][ T5615] sp : ffff8000221d7540 [ 87.328136][ T5615] x29: ffff8000221d7710 x28: ffff0000dc17b1b0 x27: 1fffe0001bd74ce8 [ 87.329498][ T5615] x26: 1fffe0001b82f60b x25: ffff0000dc17b050 x24: dfff800000000000 [ 87.330756][ T5615] x23: ffff0000deba6738 x22: 1fffe0001b82f60a x21: ffff0000dc17b058 [ 87.332013][ T5615] x20: 00000000ffffffe4 x19: ffff0000c25359d0 x18: 0000000000000001 [ 87.333237][ T5615] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 87.334437][ T5615] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 87.335608][ T5615] x11: 0000000000000000 x10: 0000000000000000 x9 : b242c879b6442200 [ 87.336855][ T5615] x8 : b242c879b6442200 x7 : 0000000000000001 x6 : 0000000000000001 [ 87.338018][ T5615] x5 : ffff8000221d6e58 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 87.339254][ T5615] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 87.340483][ T5615] Call trace: [ 87.340963][ T5615] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 87.341893][ T5615] __btrfs_end_transaction+0x13c/0x5f0 [ 87.342675][ T5615] btrfs_end_transaction+0x24/0x34 [ 87.343472][ T5615] btrfs_inc_block_group_ro+0x4ec/0x558 [ 87.344316][ T5615] btrfs_relocate_block_group+0x2b8/0x8a4 [ 87.345214][ T5615] btrfs_relocate_chunk+0xb8/0x280 [ 87.345979][ T5615] __btrfs_balance+0x112c/0x1b9c [ 87.346684][ T5615] btrfs_balance+0xac8/0x113c [ 87.347427][ T5615] btrfs_ioctl_balance+0x4cc/0x658 [ 87.348239][ T5615] btrfs_ioctl+0x20c/0xa8c [ 87.348899][ T5615] __arm64_sys_ioctl+0x14c/0x1c8 [ 87.349640][ T5615] invoke_syscall+0x98/0x2b0 [ 87.350416][ T5615] el0_svc_common+0x138/0x258 [ 87.351223][ T5615] do_el0_svc+0x58/0x13c [ 87.351905][ T5615] el0_svc+0x78/0x1d0 [ 87.352641][ T5615] el0t_64_sync_handler+0xcc/0xe4 [ 87.353432][ T5615] el0t_64_sync+0x1a0/0x1a4 [ 87.354135][ T5615] irq event stamp: 80302 [ 87.354818][ T5615] hardirqs last enabled at (80301): [] __up_console_sem+0xb4/0xfc [ 87.356441][ T5615] hardirqs last disabled at (80302): [] el1_dbg+0x24/0x80 [ 87.357897][ T5615] softirqs last enabled at (80142): [] local_bh_enable+0x10/0x34 [ 87.359539][ T5615] softirqs last disabled at (80140): [] local_bh_disable+0x10/0x34 [ 87.361150][ T5615] ---[ end trace e96a4fc62db51c14 ]--- [ 87.362396][ T5615] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 87.364324][ T5615] BTRFS info (device loop0): forced readonly [ 87.365896][ T5615] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 87.367669][ T5615] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 87.369543][ T5615] BTRFS info (device loop0): balance: ended with status: -30 [ 87.515960][ T5637] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.46 (5637) [ 87.520633][ T5637] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 87.522017][ T5637] BTRFS info (device loop0): using free space tree [ 87.523077][ T5637] BTRFS info (device loop0): has skinny extents [ 87.530303][ T5637] BTRFS info (device loop0): enabling ssd optimizations [ 87.534546][ T5637] BTRFS info (device loop0): balance: start -s [ 87.536624][ T5637] ------------[ cut here ]------------ [ 87.537643][ T5637] WARNING: CPU: 1 PID: 5637 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 87.539504][ T5637] Modules linked in: [ 87.540169][ T5637] CPU: 1 PID: 5637 Comm: syz.0.46 Tainted: G W syzkaller #0 [ 87.541714][ T5637] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 87.543403][ T5637] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 87.544654][ T5637] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 87.545811][ T5637] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 87.546864][ T5637] sp : ffff800022297540 [ 87.547498][ T5637] x29: ffff800022297710 x28: ffff0000cb2531b0 x27: 1fffe0001bd74c0c [ 87.548834][ T5637] x26: 1fffe0001964a60b x25: ffff0000cb253050 x24: dfff800000000000 [ 87.550218][ T5637] x23: ffff0000deba6058 x22: 1fffe0001964a60a x21: ffff0000cb253058 [ 87.551607][ T5637] x20: 00000000ffffffe4 x19: ffff0000c25359d0 x18: 0000000000000001 [ 87.553057][ T5637] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 87.554438][ T5637] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 87.555794][ T5637] x11: 0000000000000000 x10: 0000000000000000 x9 : a5ab09b81c5f1500 [ 87.557106][ T5637] x8 : a5ab09b81c5f1500 x7 : 0000000000000001 x6 : 0000000000000001 [ 87.558419][ T5637] x5 : ffff800022296e58 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 87.559809][ T5637] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 87.561205][ T5637] Call trace: [ 87.561784][ T5637] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 87.562766][ T5637] __btrfs_end_transaction+0x13c/0x5f0 [ 87.563647][ T5637] btrfs_end_transaction+0x24/0x34 [ 87.564543][ T5637] btrfs_inc_block_group_ro+0x4ec/0x558 [ 87.565520][ T5637] btrfs_relocate_block_group+0x2b8/0x8a4 [ 87.566567][ T5637] btrfs_relocate_chunk+0xb8/0x280 [ 87.567483][ T5637] __btrfs_balance+0x112c/0x1b9c [ 87.568381][ T5637] btrfs_balance+0xac8/0x113c [ 87.569211][ T5637] btrfs_ioctl_balance+0x4cc/0x658 [ 87.570026][ T5637] btrfs_ioctl+0x20c/0xa8c [ 87.570778][ T5637] __arm64_sys_ioctl+0x14c/0x1c8 [ 87.571644][ T5637] invoke_syscall+0x98/0x2b0 [ 87.572417][ T5637] el0_svc_common+0x138/0x258 [ 87.573179][ T5637] do_el0_svc+0x58/0x13c [ 87.573972][ T5637] el0_svc+0x78/0x1d0 [ 87.574653][ T5637] el0t_64_sync_handler+0xcc/0xe4 [ 87.575566][ T5637] el0t_64_sync+0x1a0/0x1a4 [ 87.576380][ T5637] irq event stamp: 80364 [ 87.577048][ T5637] hardirqs last enabled at (80363): [] __up_console_sem+0xb4/0xfc [ 87.578585][ T5637] hardirqs last disabled at (80364): [] el1_dbg+0x24/0x80 [ 87.580024][ T5637] softirqs last enabled at (80244): [] handle_softirqs+0xa40/0xbe4 [ 87.581562][ T5637] softirqs last disabled at (80195): [] __irq_exit_rcu+0x240/0x43c [ 87.583111][ T5637] ---[ end trace e96a4fc62db51c15 ]--- [ 87.585690][ T5637] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 87.587415][ T5637] BTRFS info (device loop0): forced readonly [ 87.588600][ T5637] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 87.590341][ T5637] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 87.592145][ T5637] BTRFS info (device loop0): balance: ended with status: -30 [ 87.746035][ T5659] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.47 (5659) [ 87.749571][ T5659] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 87.751237][ T5659] BTRFS info (device loop0): using free space tree [ 87.752305][ T5659] BTRFS info (device loop0): has skinny extents [ 87.766127][ T5659] BTRFS info (device loop0): enabling ssd optimizations [ 87.779044][ T5659] BTRFS info (device loop0): balance: start -s [ 87.780411][ T5659] ------------[ cut here ]------------ [ 87.781465][ T5659] WARNING: CPU: 1 PID: 5659 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 87.783286][ T5659] Modules linked in: [ 87.783952][ T5659] CPU: 1 PID: 5659 Comm: syz.0.47 Tainted: G W syzkaller #0 [ 87.785345][ T5659] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 87.787098][ T5659] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 87.788296][ T5659] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 87.789401][ T5659] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 87.790482][ T5659] sp : ffff8000224e7540 [ 87.791171][ T5659] x29: ffff8000224e7710 x28: ffff0000d7b811b0 x27: 1fffe0001bd74d14 [ 87.792528][ T5659] x26: 1fffe0001af7020b x25: ffff0000d7b81050 x24: dfff800000000000 [ 87.793857][ T5659] x23: ffff0000deba6898 x22: 1fffe0001af7020a x21: ffff0000d7b81058 [ 87.795321][ T5659] x20: 00000000ffffffe4 x19: ffff0000d23e59d0 x18: 0000000000000001 [ 87.796690][ T5659] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 87.798086][ T5659] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 87.799479][ T5659] x11: 0000000000000000 x10: 0000000000000000 x9 : 7dab57b20d85bb00 [ 87.800923][ T5659] x8 : 7dab57b20d85bb00 x7 : 0000000000000001 x6 : 0000000000000001 [ 87.802345][ T5659] x5 : ffff8000224e6e58 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 87.803731][ T5659] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 87.805077][ T5659] Call trace: [ 87.805623][ T5659] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 87.806683][ T5659] __btrfs_end_transaction+0x13c/0x5f0 [ 87.807679][ T5659] btrfs_end_transaction+0x24/0x34 [ 87.808550][ T5659] btrfs_inc_block_group_ro+0x4ec/0x558 [ 87.809514][ T5659] btrfs_relocate_block_group+0x2b8/0x8a4 [ 87.810501][ T5659] btrfs_relocate_chunk+0xb8/0x280 [ 87.811365][ T5659] __btrfs_balance+0x112c/0x1b9c [ 87.812290][ T5659] btrfs_balance+0xac8/0x113c [ 87.813063][ T5659] btrfs_ioctl_balance+0x4cc/0x658 [ 87.813926][ T5659] btrfs_ioctl+0x20c/0xa8c [ 87.814759][ T5659] __arm64_sys_ioctl+0x14c/0x1c8 [ 87.815626][ T5659] invoke_syscall+0x98/0x2b0 [ 87.816432][ T5659] el0_svc_common+0x138/0x258 [ 87.817291][ T5659] do_el0_svc+0x58/0x13c [ 87.818056][ T5659] el0_svc+0x78/0x1d0 [ 87.818687][ T5659] el0t_64_sync_handler+0xcc/0xe4 [ 87.819574][ T5659] el0t_64_sync+0x1a0/0x1a4 [ 87.820325][ T5659] irq event stamp: 81026 [ 87.820927][ T5659] hardirqs last enabled at (81025): [] __up_console_sem+0xb4/0xfc [ 87.822599][ T5659] hardirqs last disabled at (81026): [] el1_dbg+0x24/0x80 [ 87.824134][ T5659] softirqs last enabled at (80860): [] local_bh_enable+0x10/0x34 [ 87.825834][ T5659] softirqs last disabled at (80858): [] local_bh_disable+0x10/0x34 [ 87.827470][ T5659] ---[ end trace e96a4fc62db51c16 ]--- [ 87.850593][ T5659] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 87.865682][ T5659] BTRFS info (device loop0): forced readonly [ 87.866778][ T5659] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 87.868699][ T5659] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 87.870555][ T5659] BTRFS info (device loop0): balance: ended with status: -30 [ 88.047663][ T5681] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.48 (5681) [ 88.067856][ T5681] ------------[ cut here ]------------ [ 88.068889][ T5681] WARNING: CPU: 0 PID: 5681 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 88.070671][ T5681] Modules linked in: [ 88.071400][ T5681] CPU: 0 PID: 5681 Comm: syz.0.48 Tainted: G W syzkaller #0 [ 88.072898][ T5681] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 88.074564][ T5681] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 88.075912][ T5681] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 88.077064][ T5681] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 88.078298][ T5681] sp : ffff800022757540 [ 88.078953][ T5681] x29: ffff800022757710 x28: ffff0000dcb311b0 x27: 1fffe0001bd206e8 [ 88.080274][ T5681] x26: 1fffe0001b96620b x25: ffff0000dcb31050 x24: dfff800000000000 [ 88.081668][ T5681] x23: ffff0000de903738 x22: 1fffe0001b96620a x21: ffff0000dcb31058 [ 88.083059][ T5681] x20: 00000000ffffffe4 x19: ffff0000c9d9d9d0 x18: 0000000000000001 [ 88.084449][ T5681] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 88.085882][ T5681] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 88.087329][ T5681] x11: 0000000000000000 x10: 0000000000000000 x9 : 790ac16b11629100 [ 88.088770][ T5681] x8 : 790ac16b11629100 x7 : 0000000000000001 x6 : 0000000000000001 [ 88.090155][ T5681] x5 : ffff800022756e58 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 88.091564][ T5681] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 88.092938][ T5681] Call trace: [ 88.093502][ T5681] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 88.094585][ T5681] __btrfs_end_transaction+0x13c/0x5f0 [ 88.095474][ T5681] btrfs_end_transaction+0x24/0x34 [ 88.096375][ T5681] btrfs_inc_block_group_ro+0x4ec/0x558 [ 88.097254][ T5681] btrfs_relocate_block_group+0x2b8/0x8a4 [ 88.098140][ T5681] btrfs_relocate_chunk+0xb8/0x280 [ 88.098963][ T5681] __btrfs_balance+0x112c/0x1b9c [ 88.099738][ T5681] btrfs_balance+0xac8/0x113c [ 88.100490][ T5681] btrfs_ioctl_balance+0x4cc/0x658 [ 88.101349][ T5681] btrfs_ioctl+0x20c/0xa8c [ 88.102189][ T5681] __arm64_sys_ioctl+0x14c/0x1c8 [ 88.103065][ T5681] invoke_syscall+0x98/0x2b0 [ 88.103894][ T5681] el0_svc_common+0x138/0x258 [ 88.104632][ T5681] do_el0_svc+0x58/0x13c [ 88.105330][ T5681] el0_svc+0x78/0x1d0 [ 88.106002][ T5681] el0t_64_sync_handler+0xcc/0xe4 [ 88.106937][ T5681] el0t_64_sync+0x1a0/0x1a4 [ 88.107707][ T5681] irq event stamp: 81346 [ 88.108444][ T5681] hardirqs last enabled at (81345): [] __up_console_sem+0xb4/0xfc [ 88.110130][ T5681] hardirqs last disabled at (81346): [] el1_dbg+0x24/0x80 [ 88.111536][ T5681] softirqs last enabled at (81194): [] local_bh_enable+0x10/0x34 [ 88.113039][ T5681] softirqs last disabled at (81192): [] local_bh_disable+0x10/0x34 [ 88.114435][ T5681] ---[ end trace e96a4fc62db51c17 ]--- [ 88.115633][ T5681] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 88.117482][ T5681] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 88.119351][ T5681] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 88.257116][ T5703] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.49 (5703) [ 88.277810][ T5703] ------------[ cut here ]------------ [ 88.278776][ T5703] WARNING: CPU: 0 PID: 5703 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 88.280551][ T5703] Modules linked in: [ 88.281182][ T5703] CPU: 0 PID: 5703 Comm: syz.0.49 Tainted: G W syzkaller #0 [ 88.282622][ T5703] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 88.284352][ T5703] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 88.285712][ T5703] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 88.286891][ T5703] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 88.288058][ T5703] sp : ffff800022757540 [ 88.288750][ T5703] x29: ffff800022757710 x28: ffff0000cdffe1b0 x27: 1fffe0001bd207da [ 88.290112][ T5703] x26: 1fffe00019bffc0b x25: ffff0000cdffe050 x24: dfff800000000000 [ 88.291535][ T5703] x23: ffff0000de903ec8 x22: 1fffe00019bffc0a x21: ffff0000cdffe058 [ 88.292934][ T5703] x20: 00000000ffffffe4 x19: ffff0000d03219d0 x18: 0000000000000001 [ 88.294268][ T5703] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 88.295677][ T5703] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 88.296992][ T5703] x11: 0000000000000000 x10: 0000000000000000 x9 : c1211a12645d2300 [ 88.298317][ T5703] x8 : c1211a12645d2300 x7 : 0000000000000001 x6 : 0000000000000001 [ 88.299708][ T5703] x5 : ffff800022756e58 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 88.301040][ T5703] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 88.302419][ T5703] Call trace: [ 88.302980][ T5703] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 88.304114][ T5703] __btrfs_end_transaction+0x13c/0x5f0 [ 88.305053][ T5703] btrfs_end_transaction+0x24/0x34 [ 88.305923][ T5703] btrfs_inc_block_group_ro+0x4ec/0x558 [ 88.306836][ T5703] btrfs_relocate_block_group+0x2b8/0x8a4 [ 88.307737][ T5703] btrfs_relocate_chunk+0xb8/0x280 [ 88.308647][ T5703] __btrfs_balance+0x112c/0x1b9c [ 88.309500][ T5703] btrfs_balance+0xac8/0x113c [ 88.310332][ T5703] btrfs_ioctl_balance+0x4cc/0x658 [ 88.311234][ T5703] btrfs_ioctl+0x20c/0xa8c [ 88.311979][ T5703] __arm64_sys_ioctl+0x14c/0x1c8 [ 88.312836][ T5703] invoke_syscall+0x98/0x2b0 [ 88.313609][ T5703] el0_svc_common+0x138/0x258 [ 88.314365][ T5703] do_el0_svc+0x58/0x13c [ 88.315039][ T5703] el0_svc+0x78/0x1d0 [ 88.315713][ T5703] el0t_64_sync_handler+0xcc/0xe4 [ 88.316544][ T5703] el0t_64_sync+0x1a0/0x1a4 [ 88.317322][ T5703] irq event stamp: 81022 [ 88.318018][ T5703] hardirqs last enabled at (81021): [] __up_console_sem+0xb4/0xfc [ 88.319705][ T5703] hardirqs last disabled at (81022): [] el1_dbg+0x24/0x80 [ 88.321213][ T5703] softirqs last enabled at (80866): [] local_bh_enable+0x10/0x34 [ 88.322766][ T5703] softirqs last disabled at (80864): [] local_bh_disable+0x10/0x34 [ 88.324432][ T5703] ---[ end trace e96a4fc62db51c18 ]--- [ 88.326935][ T5703] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 88.328696][ T5703] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 88.330448][ T5703] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 88.507021][ T5725] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.50 (5725) [ 88.560745][ T5725] ------------[ cut here ]------------ [ 88.561851][ T5725] WARNING: CPU: 0 PID: 5725 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 88.563672][ T5725] Modules linked in: [ 88.564294][ T5725] CPU: 0 PID: 5725 Comm: syz.0.50 Tainted: G W syzkaller #0 [ 88.565746][ T5725] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 88.567448][ T5725] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 88.568782][ T5725] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 88.569900][ T5725] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 88.570955][ T5725] sp : ffff800022787540 [ 88.571745][ T5725] x29: ffff800022787710 x28: ffff0000de1731b0 x27: 1fffe0001bd207ae [ 88.573103][ T5725] x26: 1fffe0001bc2e60b x25: ffff0000de173050 x24: dfff800000000000 [ 88.574527][ T5725] x23: ffff0000de903d68 x22: 1fffe0001bc2e60a x21: ffff0000de173058 [ 88.575902][ T5725] x20: 00000000ffffffe4 x19: ffff0000d03219d0 x18: 0000000000000001 [ 88.577239][ T5725] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 88.578702][ T5725] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 88.580073][ T5725] x11: 0000000000000000 x10: 0000000000000000 x9 : a30e4edb309a7700 [ 88.581514][ T5725] x8 : a30e4edb309a7700 x7 : 0000000000000001 x6 : 0000000000000001 [ 88.582841][ T5725] x5 : ffff800022786e58 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 88.584323][ T5725] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 88.585630][ T5725] Call trace: [ 88.586212][ T5725] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 88.587344][ T5725] __btrfs_end_transaction+0x13c/0x5f0 [ 88.588326][ T5725] btrfs_end_transaction+0x24/0x34 [ 88.589273][ T5725] btrfs_inc_block_group_ro+0x4ec/0x558 [ 88.590279][ T5725] btrfs_relocate_block_group+0x2b8/0x8a4 [ 88.591233][ T5725] btrfs_relocate_chunk+0xb8/0x280 [ 88.592082][ T5725] __btrfs_balance+0x112c/0x1b9c [ 88.592989][ T5725] btrfs_balance+0xac8/0x113c [ 88.593785][ T5725] btrfs_ioctl_balance+0x4cc/0x658 [ 88.594669][ T5725] btrfs_ioctl+0x20c/0xa8c [ 88.595374][ T5725] __arm64_sys_ioctl+0x14c/0x1c8 [ 88.596169][ T5725] invoke_syscall+0x98/0x2b0 [ 88.596863][ T5725] el0_svc_common+0x138/0x258 [ 88.597610][ T5725] do_el0_svc+0x58/0x13c [ 88.598353][ T5725] el0_svc+0x78/0x1d0 [ 88.598994][ T5725] el0t_64_sync_handler+0xcc/0xe4 [ 88.599752][ T5725] el0t_64_sync+0x1a0/0x1a4 [ 88.600488][ T5725] irq event stamp: 80234 [ 88.601203][ T5725] hardirqs last enabled at (80233): [] __up_console_sem+0xb4/0xfc [ 88.602719][ T5725] hardirqs last disabled at (80234): [] el1_dbg+0x24/0x80 [ 88.604187][ T5725] softirqs last enabled at (80078): [] local_bh_enable+0x10/0x34 [ 88.605745][ T5725] softirqs last disabled at (80076): [] local_bh_disable+0x10/0x34 [ 88.607344][ T5725] ---[ end trace e96a4fc62db51c19 ]--- [ 88.609600][ T5725] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 88.611414][ T5725] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 88.613077][ T5725] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 88.776704][ T5747] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.51 (5747) [ 88.794209][ T5747] ------------[ cut here ]------------ [ 88.795398][ T5747] WARNING: CPU: 0 PID: 5747 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 88.797324][ T5747] Modules linked in: [ 88.797963][ T5747] CPU: 0 PID: 5747 Comm: syz.0.51 Tainted: G W syzkaller #0 [ 88.799476][ T5747] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 88.801296][ T5747] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 88.802729][ T5747] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 88.803832][ T5747] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 88.804891][ T5747] sp : ffff800022787540 [ 88.805586][ T5747] x29: ffff800022787710 x28: ffff0000c8af61b0 x27: 1fffe0001bd20664 [ 88.807040][ T5747] x26: 1fffe0001915ec0b x25: ffff0000c8af6050 x24: dfff800000000000 [ 88.808403][ T5747] x23: ffff0000de903318 x22: 1fffe0001915ec0a x21: ffff0000c8af6058 [ 88.809699][ T5747] x20: 00000000ffffffe4 x19: ffff0000ebc559d0 x18: 0000000000000001 [ 88.811045][ T5747] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 88.812427][ T5747] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 88.813741][ T5747] x11: 0000000000000000 x10: 0000000000000000 x9 : 9dc9e61e6c363c00 [ 88.815046][ T5747] x8 : 9dc9e61e6c363c00 x7 : 0000000000000001 x6 : 0000000000000001 [ 88.816388][ T5747] x5 : ffff800022786e58 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 88.817694][ T5747] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 88.819043][ T5747] Call trace: [ 88.819513][ T5747] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 88.820597][ T5747] __btrfs_end_transaction+0x13c/0x5f0 [ 88.821537][ T5747] btrfs_end_transaction+0x24/0x34 [ 88.822392][ T5747] btrfs_inc_block_group_ro+0x4ec/0x558 [ 88.823361][ T5747] btrfs_relocate_block_group+0x2b8/0x8a4 [ 88.824294][ T5747] btrfs_relocate_chunk+0xb8/0x280 [ 88.825127][ T5747] __btrfs_balance+0x112c/0x1b9c [ 88.825955][ T5747] btrfs_balance+0xac8/0x113c [ 88.826709][ T5747] btrfs_ioctl_balance+0x4cc/0x658 [ 88.827522][ T5747] btrfs_ioctl+0x20c/0xa8c [ 88.828261][ T5747] __arm64_sys_ioctl+0x14c/0x1c8 [ 88.829109][ T5747] invoke_syscall+0x98/0x2b0 [ 88.829944][ T5747] el0_svc_common+0x138/0x258 [ 88.830753][ T5747] do_el0_svc+0x58/0x13c [ 88.831466][ T5747] el0_svc+0x78/0x1d0 [ 88.832137][ T5747] el0t_64_sync_handler+0xcc/0xe4 [ 88.833007][ T5747] el0t_64_sync+0x1a0/0x1a4 [ 88.833790][ T5747] irq event stamp: 79994 [ 88.834506][ T5747] hardirqs last enabled at (79993): [] __up_console_sem+0xb4/0xfc [ 88.835999][ T5747] hardirqs last disabled at (79994): [] el1_dbg+0x24/0x80 [ 88.837363][ T5747] softirqs last enabled at (79984): [] handle_softirqs+0xa40/0xbe4 [ 88.838906][ T5747] softirqs last disabled at (79973): [] __irq_exit_rcu+0x240/0x43c [ 88.840478][ T5747] ---[ end trace e96a4fc62db51c1a ]--- [ 88.843049][ T5747] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 88.845682][ T5747] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 88.847389][ T5747] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 89.016080][ T5769] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.52 (5769) [ 89.078398][ T5769] ------------[ cut here ]------------ [ 89.079516][ T5769] WARNING: CPU: 0 PID: 5769 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 89.081324][ T5769] Modules linked in: [ 89.082003][ T5769] CPU: 0 PID: 5769 Comm: syz.0.52 Tainted: G W syzkaller #0 [ 89.083526][ T5769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 89.085226][ T5769] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 89.086547][ T5769] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 89.087703][ T5769] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 89.088858][ T5769] sp : ffff800022f17540 [ 89.089588][ T5769] x29: ffff800022f17710 x28: ffff0000ec5501b0 x27: 1fffe0001bd2060c [ 89.090981][ T5769] x26: 1fffe0001d8aa00b x25: ffff0000ec550050 x24: dfff800000000000 [ 89.092369][ T5769] x23: ffff0000de903058 x22: 1fffe0001d8aa00a x21: ffff0000ec550058 [ 89.093628][ T5769] x20: 00000000ffffffe4 x19: ffff0000ebef19d0 x18: 0000000000000001 [ 89.094897][ T5769] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 89.096245][ T5769] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 89.097567][ T5769] x11: 0000000000000000 x10: 0000000000000000 x9 : 310a9eaf51617a00 [ 89.099054][ T5769] x8 : 310a9eaf51617a00 x7 : 0000000000000001 x6 : 0000000000000001 [ 89.100401][ T5769] x5 : ffff800022f16e58 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 89.101818][ T5769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 89.103160][ T5769] Call trace: [ 89.103688][ T5769] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 89.104779][ T5769] __btrfs_end_transaction+0x13c/0x5f0 [ 89.105648][ T5769] btrfs_end_transaction+0x24/0x34 [ 89.106489][ T5769] btrfs_inc_block_group_ro+0x4ec/0x558 [ 89.107343][ T5769] btrfs_relocate_block_group+0x2b8/0x8a4 [ 89.108253][ T5769] btrfs_relocate_chunk+0xb8/0x280 [ 89.109061][ T5769] __btrfs_balance+0x112c/0x1b9c [ 89.109850][ T5769] btrfs_balance+0xac8/0x113c [ 89.110592][ T5769] btrfs_ioctl_balance+0x4cc/0x658 [ 89.111418][ T5769] btrfs_ioctl+0x20c/0xa8c [ 89.112107][ T5769] __arm64_sys_ioctl+0x14c/0x1c8 [ 89.112924][ T5769] invoke_syscall+0x98/0x2b0 [ 89.113683][ T5769] el0_svc_common+0x138/0x258 [ 89.114492][ T5769] do_el0_svc+0x58/0x13c [ 89.115237][ T5769] el0_svc+0x78/0x1d0 [ 89.115928][ T5769] el0t_64_sync_handler+0xcc/0xe4 [ 89.116785][ T5769] el0t_64_sync+0x1a0/0x1a4 [ 89.117524][ T5769] irq event stamp: 79966 [ 89.118233][ T5769] hardirqs last enabled at (79965): [] __up_console_sem+0xb4/0xfc [ 89.119758][ T5769] hardirqs last disabled at (79966): [] el1_dbg+0x24/0x80 [ 89.121265][ T5769] softirqs last enabled at (79806): [] local_bh_enable+0x10/0x34 [ 89.123088][ T5769] softirqs last disabled at (79804): [] local_bh_disable+0x10/0x34 [ 89.124581][ T5769] ---[ end trace e96a4fc62db51c1b ]--- [ 89.128232][ T5769] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 89.129960][ T5769] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 89.131742][ T5769] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left 1970/01/01 00:01:29 executed programs: 39