Warning: Permanently added '10.128.1.45' (ED25519) to the list of known hosts. 1970/01/01 00:01:01 parsed 1 programs [ 62.973198][ T4458] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 66.093578][ T591] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 66.094980][ T591] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 66.096413][ T591] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 66.106584][ T591] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 66.107955][ T591] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 66.109442][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 66.469658][ T4532] chnl_net:caif_netlink_parms(): no params data found [ 66.488951][ T4532] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.490261][ T4532] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.492321][ T4532] device bridge_slave_0 entered promiscuous mode [ 66.494629][ T4532] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.495848][ T4532] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.497452][ T4532] device bridge_slave_1 entered promiscuous mode [ 66.505942][ T4532] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.508604][ T4532] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.518346][ T4532] team0: Port device team_slave_0 added [ 66.520233][ T4532] team0: Port device team_slave_1 added [ 66.527821][ T4532] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 66.529106][ T4532] 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. [ 66.533591][ T4532] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 66.536116][ T4532] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 66.537329][ T4532] 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. [ 66.541679][ T4532] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 66.602311][ T4532] device hsr_slave_0 entered promiscuous mode [ 66.651510][ T4532] device hsr_slave_1 entered promiscuous mode [ 67.287446][ T4532] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 67.322863][ T4532] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 67.371696][ T4532] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 67.422623][ T4532] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 67.486053][ T4532] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.490225][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.492075][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.495273][ T4532] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.498481][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.500055][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.502651][ T148] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.503775][ T148] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.505463][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.512129][ T591] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.513805][ T591] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.515195][ T591] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.516330][ T591] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.517664][ T591] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.519355][ T591] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.520939][ T591] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.528012][ T591] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.529810][ T591] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.536309][ T4532] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 67.538002][ T4532] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 67.542801][ T591] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.544802][ T591] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.546350][ T591] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.547852][ T591] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.549921][ T591] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.552079][ T591] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.553602][ T591] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.625533][ T4532] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.627542][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 67.628841][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 67.634368][ T591] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 67.636062][ T591] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 67.647618][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 67.649398][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 67.652420][ T4532] device veth0_vlan entered promiscuous mode [ 67.653770][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 67.655387][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 67.658757][ T4532] device veth1_vlan entered promiscuous mode [ 67.667131][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 67.668737][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 67.670397][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 67.680531][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 67.684105][ T4532] device veth0_macvtap entered promiscuous mode [ 67.686445][ T4532] device veth1_macvtap entered promiscuous mode [ 67.693542][ T4532] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 67.694679][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 67.696458][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 67.698144][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 67.699721][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 67.703569][ T4532] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 67.705925][ T4532] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.707337][ T4532] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.708651][ T4532] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.709987][ T4532] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.713849][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 67.715640][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 1970/01/01 00:01:08 executed programs: 0 [ 68.279530][ T4720] chnl_net:caif_netlink_parms(): no params data found [ 68.297771][ T4720] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.299075][ T4720] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.300644][ T4720] device bridge_slave_0 entered promiscuous mode [ 68.303812][ T4720] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.305010][ T4720] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.306611][ T4720] device bridge_slave_1 entered promiscuous mode [ 68.315155][ T4720] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.317791][ T4720] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.326284][ T4720] team0: Port device team_slave_0 added [ 68.328236][ T4720] team0: Port device team_slave_1 added [ 68.335193][ T4720] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 68.336352][ T4720] 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. [ 68.340396][ T4720] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 68.342887][ T4720] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 68.344020][ T4720] 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. [ 68.348379][ T4720] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 68.402715][ T4720] device hsr_slave_0 entered promiscuous mode [ 68.452807][ T4720] device hsr_slave_1 entered promiscuous mode [ 68.481516][ T4720] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.482749][ T4720] Cannot create hsr debugfs directory [ 68.515135][ T4720] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 69.606855][ T2069] ieee802154 phy0 wpan0: encryption failed: -22 [ 69.608083][ T2069] ieee802154 phy1 wpan1: encryption failed: -22 [ 69.612804][ T1973] cfg80211: failed to load regulatory.db [ 70.241256][ T4641] Bluetooth: hci0: command 0x0409 tx timeout [ 71.024917][ T4720] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 72.321295][ T4633] Bluetooth: hci0: command 0x041b tx timeout [ 73.565130][ T4720] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 73.587390][ T4720] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 73.717860][ T4720] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 73.762715][ T4720] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 73.812876][ T4720] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 73.852886][ T4720] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 73.924611][ T4720] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.928427][ T591] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 73.930089][ T591] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.934223][ T4720] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.936886][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 73.938524][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.940082][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.941526][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.943061][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 73.945864][ T591] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 73.947438][ T591] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.948860][ T591] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.950078][ T591] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.954244][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 73.957098][ T591] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 73.959796][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 73.961842][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.963510][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 73.966898][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 73.968509][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.972809][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 73.974490][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.977467][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 73.979015][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.981692][ T4720] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 74.028937][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 74.030324][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 74.034898][ T4720] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 74.043099][ T591] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 74.044868][ T591] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 74.051902][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 74.053534][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 74.055039][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 74.056461][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 74.058829][ T4720] device veth0_vlan entered promiscuous mode [ 74.062757][ T4720] device veth1_vlan entered promiscuous mode [ 74.070452][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 74.072437][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 74.073919][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 74.075438][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 74.078096][ T4720] device veth0_macvtap entered promiscuous mode [ 74.080613][ T4720] device veth1_macvtap entered promiscuous mode [ 74.086298][ T4720] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 74.087982][ T4720] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.090306][ T4720] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 74.092572][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 74.094439][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 74.096400][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 74.098013][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 74.100114][ T4720] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 74.102385][ T4720] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.104997][ T4720] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 74.106376][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 74.108043][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 74.110786][ T4720] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.112849][ T4720] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.114128][ T4720] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.115593][ T4720] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.136805][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 74.138110][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 74.139460][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 74.147568][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 74.149012][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 74.150384][ T591] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:01:14 executed programs: 2 [ 74.262710][ T4926] loop0: detected capacity change from 0 to 32768 [ 74.307593][ T4926] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.16 (4926) [ 74.316384][ T4926] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 74.318039][ T4926] BTRFS info (device loop0): using free space tree [ 74.319512][ T4926] BTRFS info (device loop0): has skinny extents [ 74.334641][ T4926] BTRFS info (device loop0): enabling ssd optimizations [ 74.347813][ T4926] BTRFS info (device loop0): balance: start -s [ 74.350360][ T4926] ------------[ cut here ]------------ [ 74.351862][ T4926] WARNING: CPU: 0 PID: 4926 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 74.353723][ T4926] Modules linked in: [ 74.354383][ T4926] CPU: 0 PID: 4926 Comm: syz.0.16 Not tainted syzkaller #0 [ 74.355492][ T4926] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.357178][ T4926] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 74.358433][ T4926] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 74.359505][ T4926] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 74.360578][ T4926] sp : ffff80001fcd7540 [ 74.361270][ T4926] x29: ffff80001fcd7710 x28: ffff0000d2cef9b0 x27: 1fffe0001bd25a22 [ 74.362780][ T4926] x26: 1fffe0001a59df0b x25: ffff0000d2cef850 x24: dfff800000000000 [ 74.364068][ T4926] x23: ffff0000de92d108 x22: 1fffe0001a59df0a x21: ffff0000d2cef858 [ 74.365347][ T4926] x20: 00000000ffffffe4 x19: ffff0000ec9b19d0 x18: 0000000000000001 [ 74.366630][ T4926] x17: 0000000000000000 x16: ffff800008304ad4 x15: 00000000ffffffff [ 74.367826][ T4926] x14: 0000000000000001 x13: 1ffff00003f9adc8 x12: 0000000000ff0100 [ 74.369048][ T4926] x11: 0000000000000000 x10: 0000000000000000 x9 : ba0ee23cf3bbd400 [ 74.370412][ T4926] x8 : ba0ee23cf3bbd400 x7 : 0000000000000001 x6 : 0000000000000001 [ 74.371770][ T4926] x5 : ffff80001fcd6e58 x4 : ffff80001436f3e0 x3 : ffff800008304be4 [ 74.373169][ T4926] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 74.374577][ T4926] Call trace: [ 74.375116][ T4926] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 74.376194][ T4926] __btrfs_end_transaction+0x13c/0x5f0 [ 74.377079][ T4926] btrfs_end_transaction+0x24/0x34 [ 74.377905][ T4926] btrfs_inc_block_group_ro+0x4ec/0x558 [ 74.378823][ T4926] btrfs_relocate_block_group+0x2b8/0x8a4 [ 74.379733][ T4926] btrfs_relocate_chunk+0xb8/0x280 [ 74.380600][ T4926] __btrfs_balance+0x11ac/0x1bfc [ 74.381452][ T4926] btrfs_balance+0xac8/0x113c [ 74.382233][ T4926] btrfs_ioctl_balance+0x4cc/0x658 [ 74.383046][ T4926] btrfs_ioctl+0x20c/0xa8c [ 74.383814][ T4926] __arm64_sys_ioctl+0x14c/0x1c8 [ 74.384605][ T4926] invoke_syscall+0x98/0x2b0 [ 74.385325][ T4926] el0_svc_common+0x138/0x258 [ 74.386091][ T4926] do_el0_svc+0x58/0x13c [ 74.386747][ T4926] el0_svc+0x78/0x1d0 [ 74.387445][ T4926] el0t_64_sync_handler+0xcc/0xe4 [ 74.388295][ T4926] el0t_64_sync+0x1a0/0x1a4 [ 74.389039][ T4926] irq event stamp: 80850 [ 74.389746][ T4926] hardirqs last enabled at (80849): [] __up_console_sem+0xb4/0xfc [ 74.391463][ T4926] hardirqs last disabled at (80850): [] el1_dbg+0x24/0x80 [ 74.392991][ T4926] softirqs last enabled at (80838): [] handle_softirqs+0xa40/0xbe4 [ 74.394720][ T4926] softirqs last disabled at (80833): [] __irq_exit_rcu+0x240/0x43c [ 74.396054][ T4926] ---[ end trace 15100971baff9977 ]--- [ 74.397762][ T4926] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 74.399462][ T4926] BTRFS info (device loop0): forced readonly [ 74.400652][ T4926] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 74.401509][ T4636] Bluetooth: hci0: command 0x040f tx timeout [ 74.402508][ T4926] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 74.405861][ T4926] BTRFS info (device loop0): balance: ended with status: -30 [ 74.551606][ T4950] loop0: detected capacity change from 0 to 32768 [ 74.582621][ T4950] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.17 (4950) [ 74.633135][ T4950] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 74.634748][ T4950] BTRFS info (device loop0): using free space tree [ 74.635891][ T4950] BTRFS info (device loop0): has skinny extents [ 74.644403][ T4950] BTRFS info (device loop0): enabling ssd optimizations [ 74.650359][ T4950] BTRFS info (device loop0): balance: start -s [ 74.652524][ T4950] ------------[ cut here ]------------ [ 74.653561][ T4950] WARNING: CPU: 1 PID: 4950 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 74.655440][ T4950] Modules linked in: [ 74.656146][ T4950] CPU: 1 PID: 4950 Comm: syz.0.17 Tainted: G W syzkaller #0 [ 74.657502][ T4950] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.659209][ T4950] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 74.660395][ T4950] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 74.661397][ T4950] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 74.662382][ T4950] sp : ffff80001ffb7540 [ 74.663032][ T4950] x29: ffff80001ffb7710 x28: ffff0000ec9311b0 x27: 1fffe0001bd35422 [ 74.664323][ T4950] x26: 1fffe0001d92620b x25: ffff0000ec931050 x24: dfff800000000000 [ 74.665563][ T4950] x23: ffff0000de9aa108 x22: 1fffe0001d92620a x21: ffff0000ec931058 [ 74.666905][ T4950] x20: 00000000ffffffe4 x19: ffff0000ec9b19d0 x18: 0000000000000001 [ 74.668239][ T4950] x17: 0000000000000000 x16: ffff800011255484 x15: 00000000ffffffff [ 74.669587][ T4950] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 74.670877][ T4950] x11: 0000000000000000 x10: 0000000000000000 x9 : 5feff24fb4172700 [ 74.672206][ T4950] x8 : 5feff24fb4172700 x7 : 0000000000000001 x6 : 0000000000000001 [ 74.673477][ T4950] x5 : ffff80001ffb6e58 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 74.674889][ T4950] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 74.676348][ T4950] Call trace: [ 74.676954][ T4950] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 74.677998][ T4950] __btrfs_end_transaction+0x13c/0x5f0 [ 74.678867][ T4950] btrfs_end_transaction+0x24/0x34 [ 74.679710][ T4950] btrfs_inc_block_group_ro+0x4ec/0x558 [ 74.680684][ T4950] btrfs_relocate_block_group+0x2b8/0x8a4 [ 74.681674][ T4950] btrfs_relocate_chunk+0xb8/0x280 [ 74.682501][ T4950] __btrfs_balance+0x11ac/0x1bfc [ 74.683321][ T4950] btrfs_balance+0xac8/0x113c [ 74.684020][ T4950] btrfs_ioctl_balance+0x4cc/0x658 [ 74.684782][ T4950] btrfs_ioctl+0x20c/0xa8c [ 74.685465][ T4950] __arm64_sys_ioctl+0x14c/0x1c8 [ 74.686254][ T4950] invoke_syscall+0x98/0x2b0 [ 74.686915][ T4950] el0_svc_common+0x138/0x258 [ 74.687677][ T4950] do_el0_svc+0x58/0x13c [ 74.688364][ T4950] el0_svc+0x78/0x1d0 [ 74.689073][ T4950] el0t_64_sync_handler+0xcc/0xe4 [ 74.689928][ T4950] el0t_64_sync+0x1a0/0x1a4 [ 74.690652][ T4950] irq event stamp: 79616 [ 74.691316][ T4950] hardirqs last enabled at (79615): [] __up_console_sem+0xb4/0xfc [ 74.693038][ T4950] hardirqs last disabled at (79616): [] el1_dbg+0x24/0x80 [ 74.694560][ T4950] softirqs last enabled at (79496): [] handle_softirqs+0xa40/0xbe4 [ 74.696281][ T4950] softirqs last disabled at (79485): [] __irq_exit_rcu+0x240/0x43c [ 74.697904][ T4950] ---[ end trace 15100971baff9978 ]--- [ 74.702168][ T4950] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 74.703894][ T4950] BTRFS info (device loop0): forced readonly [ 74.704935][ T4950] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 74.706537][ T4950] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 74.708243][ T4950] BTRFS info (device loop0): balance: ended with status: -30 [ 74.870494][ T4972] loop0: detected capacity change from 0 to 32768 [ 74.913060][ T4972] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.18 (4972) [ 74.917260][ T4972] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 74.918704][ T4972] BTRFS info (device loop0): using free space tree [ 74.919895][ T4972] BTRFS info (device loop0): has skinny extents [ 74.929133][ T4972] BTRFS info (device loop0): enabling ssd optimizations [ 74.935469][ T4972] BTRFS info (device loop0): balance: start -s [ 74.937078][ T4972] ------------[ cut here ]------------ [ 74.938136][ T4972] WARNING: CPU: 1 PID: 4972 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 74.940014][ T4972] Modules linked in: [ 74.940607][ T4972] CPU: 1 PID: 4972 Comm: syz.0.18 Tainted: G W syzkaller #0 [ 74.941960][ T4972] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.943499][ T4972] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 74.944763][ T4972] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 74.945895][ T4972] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 74.947049][ T4972] sp : ffff80001ffb7540 [ 74.947672][ T4972] x29: ffff80001ffb7710 x28: ffff0000d3dde9b0 x27: 1fffe0001bd3544e [ 74.948999][ T4972] x26: 1fffe0001a7bbd0b x25: ffff0000d3dde850 x24: dfff800000000000 [ 74.950302][ T4972] x23: ffff0000de9aa268 x22: 1fffe0001a7bbd0a x21: ffff0000d3dde858 [ 74.951681][ T4972] x20: 00000000ffffffe4 x19: ffff0000ca4019d0 x18: 0000000000000001 [ 74.952922][ T4972] x17: 0000000000000000 x16: ffff800011255484 x15: 00000000ffffffff [ 74.954147][ T4972] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 74.955457][ T4972] x11: 0000000000000000 x10: 0000000000000000 x9 : 6bc5c9322cc3ac00 [ 74.956676][ T4972] x8 : 6bc5c9322cc3ac00 x7 : 0000000000000001 x6 : 0000000000000001 [ 74.958077][ T4972] x5 : ffff80001ffb6e58 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 74.959439][ T4972] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 74.960800][ T4972] Call trace: [ 74.961339][ T4972] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 74.962354][ T4972] __btrfs_end_transaction+0x13c/0x5f0 [ 74.963237][ T4972] btrfs_end_transaction+0x24/0x34 [ 74.964027][ T4972] btrfs_inc_block_group_ro+0x4ec/0x558 [ 74.964920][ T4972] btrfs_relocate_block_group+0x2b8/0x8a4 [ 74.965903][ T4972] btrfs_relocate_chunk+0xb8/0x280 [ 74.966707][ T4972] __btrfs_balance+0x11ac/0x1bfc [ 74.967519][ T4972] btrfs_balance+0xac8/0x113c [ 74.968226][ T4972] btrfs_ioctl_balance+0x4cc/0x658 [ 74.969038][ T4972] btrfs_ioctl+0x20c/0xa8c [ 74.969726][ T4972] __arm64_sys_ioctl+0x14c/0x1c8 [ 74.970546][ T4972] invoke_syscall+0x98/0x2b0 [ 74.971340][ T4972] el0_svc_common+0x138/0x258 [ 74.972048][ T4972] do_el0_svc+0x58/0x13c [ 74.972719][ T4972] el0_svc+0x78/0x1d0 [ 74.973357][ T4972] el0t_64_sync_handler+0xcc/0xe4 [ 74.974239][ T4972] el0t_64_sync+0x1a0/0x1a4 [ 74.975028][ T4972] irq event stamp: 79756 [ 74.975745][ T4972] hardirqs last enabled at (79755): [] __up_console_sem+0xb4/0xfc [ 74.977336][ T4972] hardirqs last disabled at (79756): [] el1_dbg+0x24/0x80 [ 74.978838][ T4972] softirqs last enabled at (79632): [] local_bh_enable+0x10/0x34 [ 74.980421][ T4972] softirqs last disabled at (79630): [] local_bh_disable+0x10/0x34 [ 74.982002][ T4972] ---[ end trace 15100971baff9979 ]--- [ 74.986278][ T4972] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 74.988008][ T4972] BTRFS info (device loop0): forced readonly [ 74.989037][ T4972] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 74.990926][ T4972] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 74.993215][ T4972] BTRFS info (device loop0): balance: ended with status: -30 [ 75.137193][ T4994] loop0: detected capacity change from 0 to 32768 [ 75.182787][ T4994] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.19 (4994) [ 75.245710][ T4994] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 75.247212][ T4994] BTRFS info (device loop0): using free space tree [ 75.248252][ T4994] BTRFS info (device loop0): has skinny extents [ 75.269872][ T4994] BTRFS info (device loop0): enabling ssd optimizations [ 75.275054][ T4994] BTRFS info (device loop0): balance: start -s [ 75.276621][ T4994] ------------[ cut here ]------------ [ 75.277651][ T4994] WARNING: CPU: 1 PID: 4994 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 75.279402][ T4994] Modules linked in: [ 75.279990][ T4994] CPU: 1 PID: 4994 Comm: syz.0.19 Tainted: G W syzkaller #0 [ 75.281353][ T4994] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 75.282987][ T4994] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 75.284300][ T4994] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 75.285379][ T4994] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 75.286515][ T4994] sp : ffff80001fda7540 [ 75.287231][ T4994] x29: ffff80001fda7710 x28: ffff0000d98339b0 x27: 1fffe0001bd3547a [ 75.288582][ T4994] x26: 1fffe0001b30670b x25: ffff0000d9833850 x24: dfff800000000000 [ 75.289925][ T4994] x23: ffff0000de9aa3c8 x22: 1fffe0001b30670a x21: ffff0000d9833858 [ 75.291386][ T4994] x20: 00000000ffffffe4 x19: ffff0000ee9ad9d0 x18: 0000000000000001 [ 75.292691][ T4994] x17: 0000000000000000 x16: ffff800011255484 x15: 00000000ffffffff [ 75.294069][ T4994] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 75.295447][ T4994] x11: 0000000000000000 x10: 0000000000000000 x9 : 504bded37c3e5a00 [ 75.296797][ T4994] x8 : 504bded37c3e5a00 x7 : 0000000000000001 x6 : 0000000000000001 [ 75.298109][ T4994] x5 : ffff80001fda6e58 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 75.299374][ T4994] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 75.300672][ T4994] Call trace: [ 75.301209][ T4994] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 75.302291][ T4994] __btrfs_end_transaction+0x13c/0x5f0 [ 75.303219][ T4994] btrfs_end_transaction+0x24/0x34 [ 75.304085][ T4994] btrfs_inc_block_group_ro+0x4ec/0x558 [ 75.304989][ T4994] btrfs_relocate_block_group+0x2b8/0x8a4 [ 75.305970][ T4994] btrfs_relocate_chunk+0xb8/0x280 [ 75.306820][ T4994] __btrfs_balance+0x11ac/0x1bfc [ 75.307621][ T4994] btrfs_balance+0xac8/0x113c [ 75.308434][ T4994] btrfs_ioctl_balance+0x4cc/0x658 [ 75.309289][ T4994] btrfs_ioctl+0x20c/0xa8c [ 75.310065][ T4994] __arm64_sys_ioctl+0x14c/0x1c8 [ 75.310915][ T4994] invoke_syscall+0x98/0x2b0 [ 75.311637][ T4994] el0_svc_common+0x138/0x258 [ 75.312519][ T4994] do_el0_svc+0x58/0x13c [ 75.313157][ T4994] el0_svc+0x78/0x1d0 [ 75.313846][ T4994] el0t_64_sync_handler+0xcc/0xe4 [ 75.314669][ T4994] el0t_64_sync+0x1a0/0x1a4 [ 75.315467][ T4994] irq event stamp: 79362 [ 75.316177][ T4994] hardirqs last enabled at (79361): [] __up_console_sem+0xb4/0xfc [ 75.317892][ T4994] hardirqs last disabled at (79362): [] el1_dbg+0x24/0x80 [ 75.319344][ T4994] softirqs last enabled at (79224): [] local_bh_enable+0x10/0x34 [ 75.320882][ T4994] softirqs last disabled at (79222): [] local_bh_disable+0x10/0x34 [ 75.322436][ T4994] ---[ end trace 15100971baff997a ]--- [ 75.327422][ T4994] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 75.329125][ T4994] BTRFS info (device loop0): forced readonly [ 75.330038][ T4994] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 75.333866][ T4994] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 75.335568][ T4994] BTRFS info (device loop0): balance: ended with status: -30 [ 75.516004][ T5019] loop0: detected capacity change from 0 to 32768 [ 75.561287][ T5019] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.20 (5019) [ 75.565230][ T5019] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 75.566566][ T5019] BTRFS info (device loop0): using free space tree [ 75.567644][ T5019] BTRFS info (device loop0): has skinny extents [ 75.575826][ T5019] BTRFS info (device loop0): enabling ssd optimizations [ 75.581032][ T5019] BTRFS info (device loop0): balance: start -s [ 75.583746][ T5019] ------------[ cut here ]------------ [ 75.584746][ T5019] WARNING: CPU: 0 PID: 5019 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 75.586583][ T5019] Modules linked in: [ 75.587154][ T5019] CPU: 0 PID: 5019 Comm: syz.0.20 Tainted: G W syzkaller #0 [ 75.588576][ T5019] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 75.590146][ T5019] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 75.591335][ T5019] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 75.592363][ T5019] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 75.593556][ T5019] sp : ffff8000203a7540 [ 75.594213][ T5019] x29: ffff8000203a7710 x28: ffff0000ceb921b0 x27: 1fffe0001bd25a4e [ 75.595478][ T5019] x26: 1fffe00019d7240b x25: ffff0000ceb92050 x24: dfff800000000000 [ 75.596719][ T5019] x23: ffff0000de92d268 x22: 1fffe00019d7240a x21: ffff0000ceb92058 [ 75.598134][ T5019] x20: 00000000ffffffe4 x19: ffff0000ee9fd9d0 x18: 0000000000000001 [ 75.599475][ T5019] x17: 0000000000000000 x16: ffff800011255484 x15: 00000000ffffffff [ 75.600853][ T5019] x14: 0000000000000001 x13: 1fffe000341f07ab x12: 0000000000ff0100 [ 75.602243][ T5019] x11: 0000000000000000 x10: 0000000000000000 x9 : 7ce82463afc36100 [ 75.603649][ T5019] x8 : 7ce82463afc36100 x7 : 0000000000000001 x6 : 0000000000000001 [ 75.605018][ T5019] x5 : ffff8000203a6e58 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 75.606255][ T5019] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 75.607666][ T5019] Call trace: [ 75.608209][ T5019] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 75.609215][ T5019] __btrfs_end_transaction+0x13c/0x5f0 [ 75.610083][ T5019] btrfs_end_transaction+0x24/0x34 [ 75.610953][ T5019] btrfs_inc_block_group_ro+0x4ec/0x558 [ 75.611851][ T5019] btrfs_relocate_block_group+0x2b8/0x8a4 [ 75.612788][ T5019] btrfs_relocate_chunk+0xb8/0x280 [ 75.613635][ T5019] __btrfs_balance+0x11ac/0x1bfc [ 75.614396][ T5019] btrfs_balance+0xac8/0x113c [ 75.615135][ T5019] btrfs_ioctl_balance+0x4cc/0x658 [ 75.615938][ T5019] btrfs_ioctl+0x20c/0xa8c [ 75.616624][ T5019] __arm64_sys_ioctl+0x14c/0x1c8 [ 75.617391][ T5019] invoke_syscall+0x98/0x2b0 [ 75.618148][ T5019] el0_svc_common+0x138/0x258 [ 75.618890][ T5019] do_el0_svc+0x58/0x13c [ 75.619578][ T5019] el0_svc+0x78/0x1d0 [ 75.620267][ T5019] el0t_64_sync_handler+0xcc/0xe4 [ 75.621059][ T5019] el0t_64_sync+0x1a0/0x1a4 [ 75.621812][ T5019] irq event stamp: 79448 [ 75.622507][ T5019] hardirqs last enabled at (79447): [] __up_console_sem+0xb4/0xfc [ 75.624052][ T5019] hardirqs last disabled at (79448): [] el1_dbg+0x24/0x80 [ 75.625469][ T5019] softirqs last enabled at (79352): [] handle_softirqs+0xa40/0xbe4 [ 75.627066][ T5019] softirqs last disabled at (79335): [] __irq_exit_rcu+0x240/0x43c [ 75.628667][ T5019] ---[ end trace 15100971baff997b ]--- [ 75.630551][ T5019] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 75.632552][ T5019] BTRFS info (device loop0): forced readonly [ 75.633560][ T5019] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 75.635357][ T5019] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 75.637034][ T5019] BTRFS info (device loop0): balance: ended with status: -30 [ 75.784279][ T5042] loop0: detected capacity change from 0 to 32768 [ 75.823194][ T5042] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.21 (5042) [ 75.827429][ T5042] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 75.828866][ T5042] BTRFS info (device loop0): using free space tree [ 75.829843][ T5042] BTRFS info (device loop0): has skinny extents [ 75.838696][ T5042] BTRFS info (device loop0): enabling ssd optimizations [ 75.855843][ T5042] BTRFS info (device loop0): balance: start -s [ 75.857275][ T5042] ------------[ cut here ]------------ [ 75.858257][ T5042] WARNING: CPU: 0 PID: 5042 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 75.860011][ T5042] Modules linked in: [ 75.860703][ T5042] CPU: 0 PID: 5042 Comm: syz.0.21 Tainted: G W syzkaller #0 [ 75.862128][ T5042] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 75.863879][ T5042] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 75.865265][ T5042] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 75.866308][ T5042] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 75.867370][ T5042] sp : ffff8000203a7540 [ 75.868054][ T5042] x29: ffff8000203a7710 x28: ffff0000ec9539b0 x27: 1fffe0001bd25a64 [ 75.869434][ T5042] x26: 1fffe0001d92a70b x25: ffff0000ec953850 x24: dfff800000000000 [ 75.870834][ T5042] x23: ffff0000de92d318 x22: 1fffe0001d92a70a x21: ffff0000ec953858 [ 75.872216][ T5042] x20: 00000000ffffffe4 x19: ffff0000c0f999d0 x18: 0000000000000001 [ 75.873578][ T5042] x17: 0000000000000000 x16: ffff800011255484 x15: 00000000ffffffff [ 75.875104][ T5042] x14: 0000000000000001 x13: 1fffe000341f07ab x12: 0000000000ff0100 [ 75.876465][ T5042] x11: 0000000000000000 x10: 0000000000000000 x9 : 502a3b0a640bd200 [ 75.877773][ T5042] x8 : 502a3b0a640bd200 x7 : 0000000000000001 x6 : 0000000000000001 [ 75.879159][ T5042] x5 : ffff8000203a6e58 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 75.880506][ T5042] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 75.881917][ T5042] Call trace: [ 75.882461][ T5042] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 75.883472][ T5042] __btrfs_end_transaction+0x13c/0x5f0 [ 75.884359][ T5042] btrfs_end_transaction+0x24/0x34 [ 75.885216][ T5042] btrfs_inc_block_group_ro+0x4ec/0x558 [ 75.886183][ T5042] btrfs_relocate_block_group+0x2b8/0x8a4 [ 75.887239][ T5042] btrfs_relocate_chunk+0xb8/0x280 [ 75.888167][ T5042] __btrfs_balance+0x11ac/0x1bfc [ 75.889050][ T5042] btrfs_balance+0xac8/0x113c [ 75.889804][ T5042] btrfs_ioctl_balance+0x4cc/0x658 [ 75.890650][ T5042] btrfs_ioctl+0x20c/0xa8c [ 75.891377][ T5042] __arm64_sys_ioctl+0x14c/0x1c8 [ 75.892266][ T5042] invoke_syscall+0x98/0x2b0 [ 75.893028][ T5042] el0_svc_common+0x138/0x258 [ 75.893754][ T5042] do_el0_svc+0x58/0x13c [ 75.894382][ T5042] el0_svc+0x78/0x1d0 [ 75.895029][ T5042] el0t_64_sync_handler+0xcc/0xe4 [ 75.895734][ T5042] el0t_64_sync+0x1a0/0x1a4 [ 75.896400][ T5042] irq event stamp: 79200 [ 75.897035][ T5042] hardirqs last enabled at (79199): [] __up_console_sem+0xb4/0xfc [ 75.898690][ T5042] hardirqs last disabled at (79200): [] el1_dbg+0x24/0x80 [ 75.900170][ T5042] softirqs last enabled at (79042): [] local_bh_enable+0x10/0x34 [ 75.901800][ T5042] softirqs last disabled at (79040): [] local_bh_disable+0x10/0x34 [ 75.903430][ T5042] ---[ end trace 15100971baff997c ]--- [ 75.907540][ T5042] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 75.909329][ T5042] BTRFS info (device loop0): forced readonly [ 75.910337][ T5042] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 75.912431][ T5042] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 75.914256][ T5042] BTRFS info (device loop0): balance: ended with status: -30 [ 76.063295][ T724] device hsr_slave_0 left promiscuous mode [ 76.063806][ T5064] loop0: detected capacity change from 0 to 32768 [ 76.101489][ T724] device hsr_slave_1 left promiscuous mode [ 76.103024][ T5064] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.22 (5064) [ 76.163556][ T5064] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 76.164949][ T5064] BTRFS info (device loop0): using free space tree [ 76.165959][ T5064] BTRFS info (device loop0): has skinny extents [ 76.174971][ T5064] BTRFS info (device loop0): enabling ssd optimizations [ 76.179811][ T5064] BTRFS info (device loop0): balance: start -s [ 76.182004][ T5064] ------------[ cut here ]------------ [ 76.183150][ T5064] WARNING: CPU: 1 PID: 5064 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 76.185065][ T5064] Modules linked in: [ 76.185760][ T5064] CPU: 1 PID: 5064 Comm: syz.0.22 Tainted: G W syzkaller #0 [ 76.187150][ T5064] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.188709][ T5064] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 76.189984][ T5064] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 76.191105][ T5064] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 76.191370][ T724] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 76.192200][ T5064] sp : ffff800020577540 [ 76.193399][ T724] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 76.193989][ T5064] x29: ffff800020577710 x28: ffff0000d66c69b0 x27: 1fffe0001bd354bc [ 76.196415][ T5064] x26: 1fffe0001acd8d0b x25: ffff0000d66c6850 x24: dfff800000000000 [ 76.197654][ T5064] x23: ffff0000de9aa5d8 x22: 1fffe0001acd8d0a x21: ffff0000d66c6858 [ 76.198974][ T5064] x20: 00000000ffffffe4 x19: ffff0000cf0c59d0 x18: 0000000000000001 [ 76.200279][ T5064] x17: 0000000000000000 x16: ffff800011255484 x15: 00000000ffffffff [ 76.201733][ T5064] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 76.203204][ T5064] x11: 0000000000000000 x10: 0000000000000000 x9 : bf8ba4354eb5d700 [ 76.204543][ T5064] x8 : bf8ba4354eb5d700 x7 : 0000000000000001 x6 : 0000000000000001 [ 76.205891][ T5064] x5 : ffff800020576e58 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 76.207340][ T5064] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 76.208794][ T5064] Call trace: [ 76.209392][ T5064] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 76.210376][ T5064] __btrfs_end_transaction+0x13c/0x5f0 [ 76.211259][ T5064] btrfs_end_transaction+0x24/0x34 [ 76.212094][ T5064] btrfs_inc_block_group_ro+0x4ec/0x558 [ 76.212982][ T5064] btrfs_relocate_block_group+0x2b8/0x8a4 [ 76.213876][ T5064] btrfs_relocate_chunk+0xb8/0x280 [ 76.214654][ T5064] __btrfs_balance+0x11ac/0x1bfc [ 76.215543][ T5064] btrfs_balance+0xac8/0x113c [ 76.216314][ T5064] btrfs_ioctl_balance+0x4cc/0x658 [ 76.217166][ T5064] btrfs_ioctl+0x20c/0xa8c [ 76.217919][ T5064] __arm64_sys_ioctl+0x14c/0x1c8 [ 76.218839][ T5064] invoke_syscall+0x98/0x2b0 [ 76.219568][ T5064] el0_svc_common+0x138/0x258 [ 76.220277][ T5064] do_el0_svc+0x58/0x13c [ 76.220915][ T5064] el0_svc+0x78/0x1d0 [ 76.221585][ T5064] el0t_64_sync_handler+0xcc/0xe4 [ 76.222386][ T5064] el0t_64_sync+0x1a0/0x1a4 [ 76.223139][ T5064] irq event stamp: 79584 [ 76.223824][ T5064] hardirqs last enabled at (79583): [] __up_console_sem+0xb4/0xfc [ 76.225421][ T5064] hardirqs last disabled at (79584): [] el1_dbg+0x24/0x80 [ 76.226843][ T5064] softirqs last enabled at (79554): [] handle_softirqs+0xa40/0xbe4 [ 76.228468][ T5064] softirqs last disabled at (79533): [] __irq_exit_rcu+0x240/0x43c [ 76.230121][ T5064] ---[ end trace 15100971baff997d ]--- [ 76.231958][ T5064] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 76.233643][ T724] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 76.233809][ T5064] BTRFS info (device loop0): forced readonly [ 76.234860][ T724] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 76.235793][ T5064] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 76.239190][ T5064] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 76.239393][ T724] device bridge_slave_1 left promiscuous mode [ 76.240900][ T5064] BTRFS info (device loop0): balance: ended with status: -30 [ 76.242573][ T724] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.292249][ T724] device bridge_slave_0 left promiscuous mode [ 76.293296][ T724] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.377571][ T5086] loop0: detected capacity change from 0 to 32768 [ 76.412507][ T5086] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.23 (5086) [ 76.431396][ T724] device veth1_macvtap left promiscuous mode [ 76.432535][ T724] device veth0_macvtap left promiscuous mode [ 76.433599][ T724] device veth1_vlan left promiscuous mode [ 76.434646][ T724] device veth0_vlan left promiscuous mode [ 76.456386][ T5086] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 76.457859][ T5086] BTRFS info (device loop0): using free space tree [ 76.459010][ T5086] BTRFS info (device loop0): has skinny extents [ 76.481390][ T21] Bluetooth: hci0: command 0x0419 tx timeout [ 76.512613][ T5086] BTRFS info (device loop0): enabling ssd optimizations [ 76.518682][ T5086] BTRFS info (device loop0): balance: start -s [ 76.519970][ T5086] ------------[ cut here ]------------ [ 76.520921][ T5086] WARNING: CPU: 1 PID: 5086 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 76.522865][ T5086] Modules linked in: [ 76.523547][ T5086] CPU: 1 PID: 5086 Comm: syz.0.23 Tainted: G W syzkaller #0 [ 76.524940][ T5086] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.526582][ T5086] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 76.527976][ T5086] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 76.529215][ T5086] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 76.530370][ T5086] sp : ffff800020697540 [ 76.531076][ T5086] x29: ffff800020697710 x28: ffff0000ec77c9b0 x27: 1fffe0001bd354e8 [ 76.532519][ T5086] x26: 1fffe0001d8ef90b x25: ffff0000ec77c850 x24: dfff800000000000 [ 76.534000][ T5086] x23: ffff0000de9aa738 x22: 1fffe0001d8ef90a x21: ffff0000ec77c858 [ 76.535403][ T5086] x20: 00000000ffffffe4 x19: ffff0000eb61d9d0 x18: 0000000000000001 [ 76.536808][ T5086] x17: 0000000000000000 x16: ffff800011255484 x15: 00000000ffffffff [ 76.538236][ T5086] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 76.539592][ T5086] x11: 0000000000000000 x10: 0000000000000000 x9 : 3e3277b00bf9ea00 [ 76.541039][ T5086] x8 : 3e3277b00bf9ea00 x7 : 0000000000000001 x6 : 0000000000000001 [ 76.542327][ T5086] x5 : ffff800020696e58 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 76.543561][ T5086] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 76.544955][ T5086] Call trace: [ 76.545527][ T5086] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 76.546640][ T5086] __btrfs_end_transaction+0x13c/0x5f0 [ 76.547592][ T5086] btrfs_end_transaction+0x24/0x34 [ 76.548482][ T5086] btrfs_inc_block_group_ro+0x4ec/0x558 [ 76.549402][ T5086] btrfs_relocate_block_group+0x2b8/0x8a4 [ 76.550324][ T5086] btrfs_relocate_chunk+0xb8/0x280 [ 76.551157][ T5086] __btrfs_balance+0x11ac/0x1bfc [ 76.552016][ T5086] btrfs_balance+0xac8/0x113c [ 76.552807][ T5086] btrfs_ioctl_balance+0x4cc/0x658 [ 76.553639][ T5086] btrfs_ioctl+0x20c/0xa8c [ 76.554375][ T5086] __arm64_sys_ioctl+0x14c/0x1c8 [ 76.555126][ T5086] invoke_syscall+0x98/0x2b0 [ 76.555919][ T5086] el0_svc_common+0x138/0x258 [ 76.556691][ T5086] do_el0_svc+0x58/0x13c [ 76.557413][ T5086] el0_svc+0x78/0x1d0 [ 76.558083][ T5086] el0t_64_sync_handler+0xcc/0xe4 [ 76.558853][ T5086] el0t_64_sync+0x1a0/0x1a4 [ 76.559571][ T5086] irq event stamp: 79458 [ 76.560306][ T5086] hardirqs last enabled at (79457): [] __up_console_sem+0xb4/0xfc [ 76.561811][ T5086] hardirqs last disabled at (79458): [] el1_dbg+0x24/0x80 [ 76.563243][ T5086] softirqs last enabled at (79332): [] local_bh_enable+0x10/0x34 [ 76.564786][ T5086] softirqs last disabled at (79330): [] local_bh_disable+0x10/0x34 [ 76.566357][ T5086] ---[ end trace 15100971baff997e ]--- [ 76.568531][ T5086] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 76.570237][ T5086] BTRFS info (device loop0): forced readonly [ 76.572935][ T5086] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 76.574612][ T5086] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 76.576597][ T5086] BTRFS info (device loop0): balance: ended with status: -30 [ 76.666824][ T724] team0 (unregistering): Port device team_slave_1 removed [ 76.672731][ T724] team0 (unregistering): Port device team_slave_0 removed [ 76.676919][ T724] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 76.714537][ T5109] loop0: detected capacity change from 0 to 32768 [ 76.724969][ T724] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 76.763826][ T5109] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.24 (5109) [ 76.814162][ T5109] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 76.815851][ T5109] BTRFS info (device loop0): using free space tree [ 76.816857][ T5109] BTRFS info (device loop0): has skinny extents [ 76.824993][ T724] bond0 (unregistering): Released all slaves [ 76.839198][ T5109] BTRFS info (device loop0): enabling ssd optimizations [ 76.845000][ T5109] BTRFS info (device loop0): balance: start -s [ 76.846382][ T5109] ------------[ cut here ]------------ [ 76.847320][ T5109] WARNING: CPU: 0 PID: 5109 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 76.848989][ T5109] Modules linked in: [ 76.849620][ T5109] CPU: 0 PID: 5109 Comm: syz.0.24 Tainted: G W syzkaller #0 [ 76.851009][ T5109] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.852623][ T5109] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 76.853866][ T5109] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 76.855050][ T5109] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 76.856195][ T5109] sp : ffff800020857540 [ 76.856952][ T5109] x29: ffff800020857710 x28: ffff0000da2961b0 x27: 1fffe0001bd25a90 [ 76.858329][ T5109] x26: 1fffe0001b452c0b x25: ffff0000da296050 x24: dfff800000000000 [ 76.859696][ T5109] x23: ffff0000de92d478 x22: 1fffe0001b452c0a x21: ffff0000da296058 [ 76.861089][ T5109] x20: 00000000ffffffe4 x19: ffff0000eb61d9d0 x18: 0000000000000001 [ 76.862393][ T5109] x17: 0000000000000000 x16: ffff800011255484 x15: 00000000ffffffff [ 76.863720][ T5109] x14: 0000000000000001 x13: 1fffe000341f07ab x12: 0000000000ff0100 [ 76.864960][ T5109] x11: 0000000000000000 x10: 0000000000000000 x9 : d67361012d17c600 [ 76.866249][ T5109] x8 : d67361012d17c600 x7 : 0000000000000001 x6 : 0000000000000001 [ 76.867550][ T5109] x5 : ffff800020856e58 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 76.868769][ T5109] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 76.870069][ T5109] Call trace: [ 76.870616][ T5109] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 76.871658][ T5109] __btrfs_end_transaction+0x13c/0x5f0 [ 76.872502][ T5109] btrfs_end_transaction+0x24/0x34 [ 76.873321][ T5109] btrfs_inc_block_group_ro+0x4ec/0x558 [ 76.874152][ T5109] btrfs_relocate_block_group+0x2b8/0x8a4 [ 76.875046][ T5109] btrfs_relocate_chunk+0xb8/0x280 [ 76.875840][ T5109] __btrfs_balance+0x11ac/0x1bfc [ 76.876709][ T5109] btrfs_balance+0xac8/0x113c [ 76.877519][ T5109] btrfs_ioctl_balance+0x4cc/0x658 [ 76.878405][ T5109] btrfs_ioctl+0x20c/0xa8c [ 76.879110][ T5109] __arm64_sys_ioctl+0x14c/0x1c8 [ 76.879975][ T5109] invoke_syscall+0x98/0x2b0 [ 76.880800][ T5109] el0_svc_common+0x138/0x258 [ 76.881607][ T5109] do_el0_svc+0x58/0x13c [ 76.882366][ T5109] el0_svc+0x78/0x1d0 [ 76.883034][ T5109] el0t_64_sync_handler+0xcc/0xe4 [ 76.883888][ T5109] el0t_64_sync+0x1a0/0x1a4 [ 76.884597][ T5109] irq event stamp: 79356 [ 76.885290][ T5109] hardirqs last enabled at (79355): [] __up_console_sem+0xb4/0xfc [ 76.886878][ T5109] hardirqs last disabled at (79356): [] el1_dbg+0x24/0x80 [ 76.888461][ T5109] softirqs last enabled at (79210): [] local_bh_enable+0x10/0x34 [ 76.890146][ T5109] softirqs last disabled at (79208): [] local_bh_disable+0x10/0x34 [ 76.891816][ T5109] ---[ end trace 15100971baff997f ]--- [ 76.903096][ T5109] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 76.904887][ T5109] BTRFS info (device loop0): forced readonly [ 76.906122][ T5109] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 76.907917][ T5109] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 76.909507][ T5109] BTRFS info (device loop0): balance: ended with status: -30 [ 76.970766][ T4495] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 9 /dev/loop0 scanned by udevd (4495) [ 77.062955][ T5131] loop0: detected capacity change from 0 to 32768 [ 77.134275][ T5131] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 77.135775][ T5131] BTRFS info (device loop0): using free space tree [ 77.136871][ T5131] BTRFS info (device loop0): has skinny extents [ 77.149872][ T5131] BTRFS info (device loop0): enabling ssd optimizations [ 77.165603][ T5131] BTRFS info (device loop0): balance: start -s [ 77.166992][ T5131] ------------[ cut here ]------------ [ 77.168045][ T5131] WARNING: CPU: 0 PID: 5131 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 77.169670][ T5131] Modules linked in: [ 77.170261][ T5131] CPU: 0 PID: 5131 Comm: syz.0.25 Tainted: G W syzkaller #0 [ 77.171570][ T5131] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 77.173164][ T5131] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 77.174421][ T5131] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 77.175503][ T5131] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 77.176573][ T5131] sp : ffff8000209c7540 [ 77.177155][ T5131] x29: ffff8000209c7710 x28: ffff0000d7c629b0 x27: 1fffe0001bd25abc [ 77.178496][ T5131] x26: 1fffe0001af8c50b x25: ffff0000d7c62850 x24: dfff800000000000 [ 77.179736][ T5131] x23: ffff0000de92d5d8 x22: 1fffe0001af8c50a x21: ffff0000d7c62858 [ 77.181202][ T5131] x20: 00000000ffffffe4 x19: ffff0000dc1b59d0 x18: 0000000000000001 [ 77.182499][ T5131] x17: 0000000000000000 x16: ffff800011255484 x15: 00000000ffffffff [ 77.183885][ T5131] x14: 0000000000000001 x13: 1fffe000341f07ab x12: 0000000000ff0100 [ 77.185126][ T5131] x11: 0000000000000000 x10: 0000000000000000 x9 : c4ae068837545e00 [ 77.186410][ T5131] x8 : c4ae068837545e00 x7 : 0000000000000001 x6 : 0000000000000001 [ 77.187782][ T5131] x5 : ffff8000209c6e58 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 77.189170][ T5131] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 77.190506][ T5131] Call trace: [ 77.191059][ T5131] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 77.192200][ T5131] __btrfs_end_transaction+0x13c/0x5f0 [ 77.193105][ T5131] btrfs_end_transaction+0x24/0x34 [ 77.194000][ T5131] btrfs_inc_block_group_ro+0x4ec/0x558 [ 77.194853][ T5131] btrfs_relocate_block_group+0x2b8/0x8a4 [ 77.195851][ T5131] btrfs_relocate_chunk+0xb8/0x280 [ 77.196754][ T5131] __btrfs_balance+0x11ac/0x1bfc [ 77.197630][ T5131] btrfs_balance+0xac8/0x113c [ 77.198410][ T5131] btrfs_ioctl_balance+0x4cc/0x658 [ 77.199294][ T5131] btrfs_ioctl+0x20c/0xa8c [ 77.199963][ T5131] __arm64_sys_ioctl+0x14c/0x1c8 [ 77.200770][ T5131] invoke_syscall+0x98/0x2b0 [ 77.201562][ T5131] el0_svc_common+0x138/0x258 [ 77.202339][ T5131] do_el0_svc+0x58/0x13c [ 77.203065][ T5131] el0_svc+0x78/0x1d0 [ 77.203748][ T5131] el0t_64_sync_handler+0xcc/0xe4 [ 77.204609][ T5131] el0t_64_sync+0x1a0/0x1a4 [ 77.205394][ T5131] irq event stamp: 79472 [ 77.206182][ T5131] hardirqs last enabled at (79471): [] __up_console_sem+0xb4/0xfc [ 77.207799][ T5131] hardirqs last disabled at (79472): [] el1_dbg+0x24/0x80 [ 77.209244][ T5131] softirqs last enabled at (79344): [] local_bh_enable+0x10/0x34 [ 77.210735][ T5131] softirqs last disabled at (79342): [] local_bh_disable+0x10/0x34 [ 77.212183][ T5131] ---[ end trace 15100971baff9980 ]--- [ 77.215891][ T5131] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 77.217588][ T5131] BTRFS info (device loop0): forced readonly [ 77.218592][ T5131] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 77.220438][ T5131] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 77.226452][ T5131] BTRFS info (device loop0): balance: ended with status: -30 [ 77.403118][ T5154] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.26 (5154) [ 77.411050][ T5154] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 77.412714][ T5154] BTRFS info (device loop0): using free space tree [ 77.413844][ T5154] BTRFS info (device loop0): has skinny extents [ 77.426162][ T5154] BTRFS info (device loop0): enabling ssd optimizations [ 77.430763][ T5154] BTRFS info (device loop0): balance: start -s [ 77.433767][ T5154] ------------[ cut here ]------------ [ 77.434747][ T5154] WARNING: CPU: 1 PID: 5154 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 77.436707][ T5154] Modules linked in: [ 77.437362][ T5154] CPU: 1 PID: 5154 Comm: syz.0.26 Tainted: G W syzkaller #0 [ 77.438833][ T5154] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 77.440610][ T5154] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 77.441942][ T5154] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 77.443108][ T5154] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 77.444315][ T5154] sp : ffff800020ad7540 [ 77.445010][ T5154] x29: ffff800020ad7710 x28: ffff0000c13591b0 x27: 1fffe0001bd35514 [ 77.446394][ T5154] x26: 1fffe0001826b20b x25: ffff0000c1359050 x24: dfff800000000000 [ 77.447728][ T5154] x23: ffff0000de9aa898 x22: 1fffe0001826b20a x21: ffff0000c1359058 [ 77.449047][ T5154] x20: 00000000ffffffe4 x19: ffff0000d82ad9d0 x18: 0000000000000001 [ 77.450382][ T5154] x17: 0000000000000000 x16: ffff800011255484 x15: 00000000ffffffff [ 77.451901][ T5154] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 77.453216][ T5154] x11: 0000000000000000 x10: 0000000000000000 x9 : 6d8d93ea87847700 [ 77.454591][ T5154] x8 : 6d8d93ea87847700 x7 : 0000000000000001 x6 : 0000000000000001 [ 77.455848][ T5154] x5 : ffff800020ad6e58 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 77.457083][ T5154] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 77.458501][ T5154] Call trace: [ 77.459044][ T5154] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 77.460098][ T5154] __btrfs_end_transaction+0x13c/0x5f0 [ 77.461032][ T5154] btrfs_end_transaction+0x24/0x34 [ 77.461925][ T5154] btrfs_inc_block_group_ro+0x4ec/0x558 [ 77.462852][ T5154] btrfs_relocate_block_group+0x2b8/0x8a4 [ 77.463812][ T5154] btrfs_relocate_chunk+0xb8/0x280 [ 77.464681][ T5154] __btrfs_balance+0x11ac/0x1bfc [ 77.465548][ T5154] btrfs_balance+0xac8/0x113c [ 77.466382][ T5154] btrfs_ioctl_balance+0x4cc/0x658 [ 77.467238][ T5154] btrfs_ioctl+0x20c/0xa8c [ 77.467979][ T5154] __arm64_sys_ioctl+0x14c/0x1c8 [ 77.468841][ T5154] invoke_syscall+0x98/0x2b0 [ 77.469624][ T5154] el0_svc_common+0x138/0x258 [ 77.470384][ T5154] do_el0_svc+0x58/0x13c [ 77.471055][ T5154] el0_svc+0x78/0x1d0 [ 77.471717][ T5154] el0t_64_sync_handler+0xcc/0xe4 [ 77.472576][ T5154] el0t_64_sync+0x1a0/0x1a4 [ 77.473330][ T5154] irq event stamp: 79192 [ 77.474003][ T5154] hardirqs last enabled at (79191): [] __up_console_sem+0xb4/0xfc [ 77.475550][ T5154] hardirqs last disabled at (79192): [] el1_dbg+0x24/0x80 [ 77.476871][ T5154] softirqs last enabled at (79110): [] handle_softirqs+0xa40/0xbe4 [ 77.478367][ T5154] softirqs last disabled at (79089): [] __irq_exit_rcu+0x240/0x43c [ 77.479930][ T5154] ---[ end trace 15100971baff9981 ]--- [ 77.481374][ T5154] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 77.483110][ T5154] BTRFS info (device loop0): forced readonly [ 77.484121][ T5154] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 77.485807][ T5154] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 77.487392][ T5154] BTRFS info (device loop0): balance: ended with status: -30 [ 77.662791][ T5176] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.27 (5176) [ 77.724229][ T5176] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 77.725679][ T5176] BTRFS info (device loop0): using free space tree [ 77.726809][ T5176] BTRFS info (device loop0): has skinny extents [ 77.735286][ T5176] BTRFS info (device loop0): enabling ssd optimizations [ 77.743597][ T5176] BTRFS info (device loop0): balance: start -s [ 77.744881][ T5176] ------------[ cut here ]------------ [ 77.745847][ T5176] WARNING: CPU: 0 PID: 5176 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 77.747610][ T5176] Modules linked in: [ 77.748213][ T5176] CPU: 0 PID: 5176 Comm: syz.0.27 Tainted: G W syzkaller #0 [ 77.749649][ T5176] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 77.751305][ T5176] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 77.752564][ T5176] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 77.753659][ T5176] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 77.754675][ T5176] sp : ffff800020697540 [ 77.755379][ T5176] x29: ffff800020697710 x28: ffff0000ec2479b0 x27: 1fffe0001bd25ae8 [ 77.756773][ T5176] x26: 1fffe0001d848f0b x25: ffff0000ec247850 x24: dfff800000000000 [ 77.758110][ T5176] x23: ffff0000de92d738 x22: 1fffe0001d848f0a x21: ffff0000ec247858 [ 77.759415][ T5176] x20: 00000000ffffffe4 x19: ffff0000d6fdd9d0 x18: 0000000000000001 [ 77.760745][ T5176] x17: 0000000000000000 x16: ffff800011255484 x15: 00000000ffffffff [ 77.762104][ T5176] x14: 0000000000000001 x13: 1fffe000341f07ab x12: 0000000000ff0100 [ 77.763448][ T5176] x11: 0000000000000000 x10: 0000000000000000 x9 : 61e8cbde2a60a800 [ 77.764723][ T5176] x8 : 61e8cbde2a60a800 x7 : 0000000000000001 x6 : 0000000000000001 [ 77.766060][ T5176] x5 : ffff800020696e58 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 77.767339][ T5176] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 77.768578][ T5176] Call trace: [ 77.769104][ T5176] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 77.770077][ T5176] __btrfs_end_transaction+0x13c/0x5f0 [ 77.770881][ T5176] btrfs_end_transaction+0x24/0x34 [ 77.771736][ T5176] btrfs_inc_block_group_ro+0x4ec/0x558 [ 77.772613][ T5176] btrfs_relocate_block_group+0x2b8/0x8a4 [ 77.773522][ T5176] btrfs_relocate_chunk+0xb8/0x280 [ 77.774301][ T5176] __btrfs_balance+0x11ac/0x1bfc [ 77.775182][ T5176] btrfs_balance+0xac8/0x113c [ 77.776153][ T5176] btrfs_ioctl_balance+0x4cc/0x658 [ 77.776946][ T5176] btrfs_ioctl+0x20c/0xa8c [ 77.777687][ T5176] __arm64_sys_ioctl+0x14c/0x1c8 [ 77.778519][ T5176] invoke_syscall+0x98/0x2b0 [ 77.779234][ T5176] el0_svc_common+0x138/0x258 [ 77.779940][ T5176] do_el0_svc+0x58/0x13c [ 77.780605][ T5176] el0_svc+0x78/0x1d0 [ 77.781255][ T5176] el0t_64_sync_handler+0xcc/0xe4 [ 77.782128][ T5176] el0t_64_sync+0x1a0/0x1a4 [ 77.782886][ T5176] irq event stamp: 79768 [ 77.783625][ T5176] hardirqs last enabled at (79767): [] __up_console_sem+0xb4/0xfc [ 77.785203][ T5176] hardirqs last disabled at (79768): [] el1_dbg+0x24/0x80 [ 77.786582][ T5176] softirqs last enabled at (79634): [] local_bh_enable+0x10/0x34 [ 77.788118][ T5176] softirqs last disabled at (79632): [] local_bh_disable+0x10/0x34 [ 77.789611][ T5176] ---[ end trace 15100971baff9982 ]--- [ 77.792661][ T5176] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 77.794404][ T5176] BTRFS info (device loop0): forced readonly [ 77.795575][ T5176] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 77.797337][ T5176] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 77.799184][ T5176] BTRFS info (device loop0): balance: ended with status: -30 [ 78.006266][ T5198] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.28 (5198) [ 78.013534][ T5198] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 78.015037][ T5198] BTRFS info (device loop0): using free space tree [ 78.016109][ T5198] BTRFS info (device loop0): has skinny extents [ 78.039129][ T5198] BTRFS info (device loop0): enabling ssd optimizations [ 78.044732][ T5198] BTRFS info (device loop0): balance: start -s [ 78.046043][ T5198] ------------[ cut here ]------------ [ 78.047161][ T5198] WARNING: CPU: 0 PID: 5198 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 78.049070][ T5198] Modules linked in: [ 78.049731][ T5198] CPU: 0 PID: 5198 Comm: syz.0.28 Tainted: G W syzkaller #0 [ 78.051160][ T5198] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 78.052885][ T5198] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 78.054253][ T5198] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 78.055428][ T5198] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 78.056540][ T5198] sp : ffff800020cd7540 [ 78.057215][ T5198] x29: ffff800020cd7710 x28: ffff0000dd6491b0 x27: 1fffe0001bd25b14 [ 78.058455][ T5198] x26: 1fffe0001bac920b x25: ffff0000dd649050 x24: dfff800000000000 [ 78.059742][ T5198] x23: ffff0000de92d898 x22: 1fffe0001bac920a x21: ffff0000dd649058 [ 78.061009][ T5198] x20: 00000000ffffffe4 x19: ffff0000d6fdd9d0 x18: 0000000000000001 [ 78.062329][ T5198] x17: 0000000000000000 x16: ffff800011255484 x15: 00000000ffffffff [ 78.063574][ T5198] x14: 0000000000000001 x13: 1fffe000341f07ab x12: 0000000000ff0100 [ 78.064920][ T5198] x11: 0000000000000000 x10: 0000000000000000 x9 : 021fcc29c2c3dc00 [ 78.066239][ T5198] x8 : 021fcc29c2c3dc00 x7 : 0000000000000001 x6 : 0000000000000001 [ 78.067673][ T5198] x5 : ffff800020cd6e58 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 78.068998][ T5198] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 78.070418][ T5198] Call trace: [ 78.070953][ T5198] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 78.072011][ T5198] __btrfs_end_transaction+0x13c/0x5f0 [ 78.072877][ T5198] btrfs_end_transaction+0x24/0x34 [ 78.073687][ T5198] btrfs_inc_block_group_ro+0x4ec/0x558 [ 78.074627][ T5198] btrfs_relocate_block_group+0x2b8/0x8a4 [ 78.075579][ T5198] btrfs_relocate_chunk+0xb8/0x280 [ 78.076409][ T5198] __btrfs_balance+0x11ac/0x1bfc [ 78.077113][ T5198] btrfs_balance+0xac8/0x113c [ 78.077823][ T5198] btrfs_ioctl_balance+0x4cc/0x658 [ 78.078687][ T5198] btrfs_ioctl+0x20c/0xa8c [ 78.079390][ T5198] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.080203][ T5198] invoke_syscall+0x98/0x2b0 [ 78.081008][ T5198] el0_svc_common+0x138/0x258 [ 78.081868][ T5198] do_el0_svc+0x58/0x13c [ 78.082642][ T5198] el0_svc+0x78/0x1d0 [ 78.083356][ T5198] el0t_64_sync_handler+0xcc/0xe4 [ 78.084218][ T5198] el0t_64_sync+0x1a0/0x1a4 [ 78.084970][ T5198] irq event stamp: 79712 [ 78.085703][ T5198] hardirqs last enabled at (79711): [] __up_console_sem+0xb4/0xfc [ 78.087279][ T5198] hardirqs last disabled at (79712): [] el1_dbg+0x24/0x80 [ 78.088621][ T5198] softirqs last enabled at (79570): [] local_bh_enable+0x10/0x34 [ 78.090306][ T5198] softirqs last disabled at (79568): [] local_bh_disable+0x10/0x34 [ 78.091993][ T5198] ---[ end trace 15100971baff9983 ]--- [ 78.096117][ T5198] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 78.097877][ T5198] BTRFS info (device loop0): forced readonly [ 78.098880][ T5198] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 78.100634][ T5198] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 78.103571][ T5198] BTRFS info (device loop0): balance: ended with status: -30 [ 78.326756][ T5220] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.29 (5220) [ 78.341300][ T5220] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 78.342690][ T5220] BTRFS info (device loop0): using free space tree [ 78.343723][ T5220] BTRFS info (device loop0): has skinny extents [ 78.446190][ T5220] BTRFS info (device loop0): enabling ssd optimizations [ 78.453341][ T5220] BTRFS info (device loop0): balance: start -s [ 78.461951][ T5220] ------------[ cut here ]------------ [ 78.463085][ T5220] WARNING: CPU: 1 PID: 5220 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 78.464885][ T5220] Modules linked in: [ 78.465555][ T5220] CPU: 1 PID: 5220 Comm: syz.0.29 Tainted: G W syzkaller #0 [ 78.466946][ T5220] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 78.468700][ T5220] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 78.470011][ T5220] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 78.471104][ T5220] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 78.472160][ T5220] sp : ffff800020d87540 [ 78.472885][ T5220] x29: ffff800020d87710 x28: ffff0000d8ad71b0 x27: 1fffe0001bd35438 [ 78.474126][ T5220] x26: 1fffe0001b15ae0b x25: ffff0000d8ad7050 x24: dfff800000000000 [ 78.475434][ T5220] x23: ffff0000de9aa1b8 x22: 1fffe0001b15ae0a x21: ffff0000d8ad7058 [ 78.476776][ T5220] x20: 00000000ffffffe4 x19: ffff0000cf16d9d0 x18: 0000000000000001 [ 78.478118][ T5220] x17: 0000000000000000 x16: ffff800011255484 x15: 00000000ffffffff [ 78.479449][ T5220] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 78.480855][ T5220] x11: 0000000000000000 x10: 0000000000000000 x9 : 9eb6d106e8b6a500 [ 78.482176][ T5220] x8 : 9eb6d106e8b6a500 x7 : 0000000000000001 x6 : 0000000000000001 [ 78.483507][ T5220] x5 : ffff800020d86e58 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 78.484919][ T5220] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 78.486337][ T5220] Call trace: [ 78.486916][ T5220] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 78.488003][ T5220] __btrfs_end_transaction+0x13c/0x5f0 [ 78.488949][ T5220] btrfs_end_transaction+0x24/0x34 [ 78.489776][ T5220] btrfs_inc_block_group_ro+0x4ec/0x558 [ 78.490676][ T5220] btrfs_relocate_block_group+0x2b8/0x8a4 [ 78.491642][ T5220] btrfs_relocate_chunk+0xb8/0x280 [ 78.492511][ T5220] __btrfs_balance+0x11ac/0x1bfc [ 78.493349][ T5220] btrfs_balance+0xac8/0x113c [ 78.494177][ T5220] btrfs_ioctl_balance+0x4cc/0x658 [ 78.494973][ T5220] btrfs_ioctl+0x20c/0xa8c [ 78.495704][ T5220] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.496449][ T5220] invoke_syscall+0x98/0x2b0 [ 78.497173][ T5220] el0_svc_common+0x138/0x258 [ 78.497940][ T5220] do_el0_svc+0x58/0x13c [ 78.498632][ T5220] el0_svc+0x78/0x1d0 [ 78.499251][ T5220] el0t_64_sync_handler+0xcc/0xe4 [ 78.500064][ T5220] el0t_64_sync+0x1a0/0x1a4 [ 78.500766][ T5220] irq event stamp: 79278 [ 78.501376][ T5220] hardirqs last enabled at (79277): [] __up_console_sem+0xb4/0xfc [ 78.502984][ T5220] hardirqs last disabled at (79278): [] el1_dbg+0x24/0x80 [ 78.504420][ T5220] softirqs last enabled at (79136): [] local_bh_enable+0x10/0x34 [ 78.506033][ T5220] softirqs last disabled at (79134): [] local_bh_disable+0x10/0x34 [ 78.507751][ T5220] ---[ end trace 15100971baff9984 ]--- [ 78.512030][ T5220] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 78.513933][ T5220] BTRFS info (device loop0): forced readonly [ 78.514889][ T5220] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 78.516900][ T5220] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 78.518544][ T5220] BTRFS info (device loop0): balance: ended with status: -30 [ 78.734263][ T5243] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.30 (5243) [ 78.739882][ T5243] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 78.741750][ T5243] BTRFS info (device loop0): using free space tree [ 78.758553][ T5243] ------------[ cut here ]------------ [ 78.759490][ T5243] WARNING: CPU: 0 PID: 5243 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 78.761416][ T5243] Modules linked in: [ 78.762098][ T5243] CPU: 0 PID: 5243 Comm: syz.0.30 Tainted: G W syzkaller #0 [ 78.763557][ T5243] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 78.765278][ T5243] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 78.766634][ T5243] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 78.767769][ T5243] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 78.768795][ T5243] sp : ffff8000212f7540 [ 78.769418][ T5243] x29: ffff8000212f7710 x28: ffff0000cb0b41b0 x27: 1fffe0001bd25b40 [ 78.770732][ T5243] x26: 1fffe0001961680b x25: ffff0000cb0b4050 x24: dfff800000000000 [ 78.772125][ T5243] x23: ffff0000de92d9f8 x22: 1fffe0001961680a x21: ffff0000cb0b4058 [ 78.773363][ T5243] x20: 00000000ffffffe4 x19: ffff0000e80d99d0 x18: 0000000000000001 [ 78.774556][ T5243] x17: 0000000000000000 x16: ffff800011255484 x15: 00000000ffffffff [ 78.775940][ T5243] x14: 0000000000000001 x13: 1fffe000341f07ab x12: 0000000000ff0100 [ 78.777154][ T5243] x11: 0000000000000000 x10: 0000000000000000 x9 : dcc93e1250f68200 [ 78.778426][ T5243] x8 : dcc93e1250f68200 x7 : 0000000000000001 x6 : 0000000000000001 [ 78.779763][ T5243] x5 : ffff8000212f6e58 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 78.781243][ T5243] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 78.782600][ T5243] Call trace: [ 78.783186][ T5243] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 78.784342][ T5243] __btrfs_end_transaction+0x13c/0x5f0 [ 78.785326][ T5243] btrfs_end_transaction+0x24/0x34 [ 78.786197][ T5243] btrfs_inc_block_group_ro+0x4ec/0x558 [ 78.787083][ T5243] btrfs_relocate_block_group+0x2b8/0x8a4 [ 78.788058][ T5243] btrfs_relocate_chunk+0xb8/0x280 [ 78.788912][ T5243] __btrfs_balance+0x11ac/0x1bfc [ 78.789692][ T5243] btrfs_balance+0xac8/0x113c [ 78.790452][ T5243] btrfs_ioctl_balance+0x4cc/0x658 [ 78.791296][ T5243] btrfs_ioctl+0x20c/0xa8c [ 78.792042][ T5243] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.792877][ T5243] invoke_syscall+0x98/0x2b0 [ 78.793693][ T5243] el0_svc_common+0x138/0x258 [ 78.794580][ T5243] do_el0_svc+0x58/0x13c [ 78.795281][ T5243] el0_svc+0x78/0x1d0 [ 78.796024][ T5243] el0t_64_sync_handler+0xcc/0xe4 [ 78.796827][ T5243] el0t_64_sync+0x1a0/0x1a4 [ 78.797536][ T5243] irq event stamp: 79182 [ 78.798203][ T5243] hardirqs last enabled at (79181): [] __up_console_sem+0xb4/0xfc [ 78.799751][ T5243] hardirqs last disabled at (79182): [] el1_dbg+0x24/0x80 [ 78.801166][ T5243] softirqs last enabled at (79054): [] local_bh_enable+0x10/0x34 [ 78.802639][ T5243] softirqs last disabled at (79052): [] local_bh_disable+0x10/0x34 [ 78.804186][ T5243] ---[ end trace 15100971baff9985 ]--- [ 78.806400][ T5243] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 78.808077][ T5243] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 78.809767][ T5243] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 79.056226][ T5264] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.31 (5264) [ 79.071749][ T5264] ------------[ cut here ]------------ [ 79.072918][ T5264] WARNING: CPU: 1 PID: 5264 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 79.074979][ T5264] Modules linked in: [ 79.075606][ T5264] CPU: 1 PID: 5264 Comm: syz.0.31 Tainted: G W syzkaller #0 [ 79.076932][ T5264] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 79.078663][ T5264] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.080003][ T5264] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 79.081102][ T5264] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 79.082261][ T5264] sp : ffff8000212f7540 [ 79.082967][ T5264] x29: ffff8000212f7710 x28: ffff0000cd6079b0 x27: 1fffe0001bd35464 [ 79.084521][ T5264] x26: 1fffe00019ac0f0b x25: ffff0000cd607850 x24: dfff800000000000 [ 79.085889][ T5264] x23: ffff0000de9aa318 x22: 1fffe00019ac0f0a x21: ffff0000cd607858 [ 79.087221][ T5264] x20: 00000000ffffffe4 x19: ffff0000da3c19d0 x18: 0000000000000001 [ 79.088612][ T5264] x17: 0000000000000000 x16: ffff800011255484 x15: 00000000ffffffff [ 79.090020][ T5264] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 79.091511][ T5264] x11: 0000000000000000 x10: 0000000000000000 x9 : 0e368e9251584800 [ 79.092890][ T5264] x8 : 0e368e9251584800 x7 : 0000000000000001 x6 : 0000000000000001 [ 79.094277][ T5264] x5 : ffff8000212f6e58 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 79.095705][ T5264] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 79.097026][ T5264] Call trace: [ 79.097580][ T5264] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 79.098707][ T5264] __btrfs_end_transaction+0x13c/0x5f0 [ 79.099638][ T5264] btrfs_end_transaction+0x24/0x34 [ 79.100502][ T5264] btrfs_inc_block_group_ro+0x4ec/0x558 [ 79.101470][ T5264] btrfs_relocate_block_group+0x2b8/0x8a4 [ 79.102459][ T5264] btrfs_relocate_chunk+0xb8/0x280 [ 79.103319][ T5264] __btrfs_balance+0x11ac/0x1bfc [ 79.104120][ T5264] btrfs_balance+0xac8/0x113c [ 79.104918][ T5264] btrfs_ioctl_balance+0x4cc/0x658 [ 79.105806][ T5264] btrfs_ioctl+0x20c/0xa8c [ 79.106585][ T5264] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.107510][ T5264] invoke_syscall+0x98/0x2b0 [ 79.108275][ T5264] el0_svc_common+0x138/0x258 [ 79.109087][ T5264] do_el0_svc+0x58/0x13c [ 79.109821][ T5264] el0_svc+0x78/0x1d0 [ 79.110524][ T5264] el0t_64_sync_handler+0xcc/0xe4 [ 79.111349][ T5264] el0t_64_sync+0x1a0/0x1a4 [ 79.112115][ T5264] irq event stamp: 79218 [ 79.112813][ T5264] hardirqs last enabled at (79217): [] __up_console_sem+0xb4/0xfc [ 79.114480][ T5264] hardirqs last disabled at (79218): [] el1_dbg+0x24/0x80 [ 79.115999][ T5264] softirqs last enabled at (79124): [] handle_softirqs+0xa40/0xbe4 [ 79.117668][ T5264] softirqs last disabled at (79087): [] __irq_exit_rcu+0x240/0x43c [ 79.119344][ T5264] ---[ end trace 15100971baff9986 ]--- [ 79.122321][ T5264] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 79.124187][ T5264] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 79.125860][ T5264] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left 1970/01/01 00:01:19 executed programs: 18 [ 79.277841][ T5286] set_capacity_and_notify: 6 callbacks suppressed [ 79.277851][ T5286] loop0: detected capacity change from 0 to 32768 [ 79.284044][ T5286] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.32 (5286) [ 79.298148][ T5286] ------------[ cut here ]------------ [ 79.299165][ T5286] WARNING: CPU: 1 PID: 5286 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 79.300940][ T5286] Modules linked in: [ 79.301648][ T5286] CPU: 1 PID: 5286 Comm: syz.0.32 Tainted: G W syzkaller #0 [ 79.303051][ T5286] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 79.304755][ T5286] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.306148][ T5286] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 79.307195][ T5286] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 79.308295][ T5286] sp : ffff800021307540 [ 79.308951][ T5286] x29: ffff800021307710 x28: ffff0000cda181b0 x27: 1fffe0001bd3540c [ 79.310261][ T5286] x26: 1fffe00019b4300b x25: ffff0000cda18050 x24: dfff800000000000 [ 79.311623][ T5286] x23: ffff0000de9aa058 x22: 1fffe00019b4300a x21: ffff0000cda18058 [ 79.312901][ T5286] x20: 00000000ffffffe4 x19: ffff0000cefc19d0 x18: 0000000000000001 [ 79.314190][ T5286] x17: 0000000000000000 x16: ffff800011255484 x15: 00000000ffffffff [ 79.315434][ T5286] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 79.316847][ T5286] x11: 0000000000000000 x10: 0000000000000000 x9 : 46ca5704b9840000 [ 79.318203][ T5286] x8 : 46ca5704b9840000 x7 : 0000000000000001 x6 : 0000000000000001 [ 79.319516][ T5286] x5 : ffff800021306e58 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 79.320805][ T5286] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 79.322209][ T5286] Call trace: [ 79.322816][ T5286] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 79.323897][ T5286] __btrfs_end_transaction+0x13c/0x5f0 [ 79.324841][ T5286] btrfs_end_transaction+0x24/0x34 [ 79.325757][ T5286] btrfs_inc_block_group_ro+0x4ec/0x558 [ 79.326751][ T5286] btrfs_relocate_block_group+0x2b8/0x8a4 [ 79.327760][ T5286] btrfs_relocate_chunk+0xb8/0x280 [ 79.328608][ T5286] __btrfs_balance+0x11ac/0x1bfc [ 79.329428][ T5286] btrfs_balance+0xac8/0x113c [ 79.330183][ T5286] btrfs_ioctl_balance+0x4cc/0x658 [ 79.331014][ T5286] btrfs_ioctl+0x20c/0xa8c [ 79.331741][ T5286] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.332588][ T5286] invoke_syscall+0x98/0x2b0 [ 79.333432][ T5286] el0_svc_common+0x138/0x258 [ 79.334249][ T5286] do_el0_svc+0x58/0x13c [ 79.334988][ T5286] el0_svc+0x78/0x1d0 [ 79.335643][ T5286] el0t_64_sync_handler+0xcc/0xe4 [ 79.336466][ T5286] el0t_64_sync+0x1a0/0x1a4 [ 79.337241][ T5286] irq event stamp: 79124 [ 79.337989][ T5286] hardirqs last enabled at (79123): [] __up_console_sem+0xb4/0xfc [ 79.339685][ T5286] hardirqs last disabled at (79124): [] el1_dbg+0x24/0x80 [ 79.341169][ T5286] softirqs last enabled at (79006): [] local_bh_enable+0x10/0x34 [ 79.342704][ T5286] softirqs last disabled at (79004): [] local_bh_disable+0x10/0x34 [ 79.344174][ T5286] ---[ end trace 15100971baff9987 ]--- [ 79.346341][ T5286] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 79.348194][ T5286] btrfs_printk: 17 callbacks suppressed [ 79.348201][ T5286] BTRFS info (device loop0): forced readonly [ 79.350268][ T5286] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 79.352275][ T5286] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 79.354090][ T5286] BTRFS info (device loop0): balance: ended with status: -30 [ 79.489233][ T5308] loop0: detected capacity change from 0 to 32768 [ 79.582753][ T5308] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.33 (5308) [ 79.622863][ T5308] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 79.624368][ T5308] BTRFS info (device loop0): using free space tree [ 79.626842][ T5308] BTRFS info (device loop0): has skinny extents [ 79.650152][ T5308] BTRFS info (device loop0): enabling ssd optimizations [ 79.654791][ T5308] BTRFS info (device loop0): balance: start -s [ 79.656091][ T5308] ------------[ cut here ]------------ [ 79.657086][ T5308] WARNING: CPU: 0 PID: 5308 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 79.658983][ T5308] Modules linked in: [ 79.659629][ T5308] CPU: 0 PID: 5308 Comm: syz.0.33 Tainted: G W syzkaller #0 [ 79.661136][ T5308] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 79.662830][ T5308] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.664103][ T5308] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 79.665253][ T5308] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 79.666354][ T5308] sp : ffff8000216a7540 [ 79.667118][ T5308] x29: ffff8000216a7710 x28: ffff0000d32691b0 x27: 1fffe0001bd25a4e [ 79.668521][ T5308] x26: 1fffe0001a64d20b x25: ffff0000d3269050 x24: dfff800000000000 [ 79.669958][ T5308] x23: ffff0000de92d268 x22: 1fffe0001a64d20a x21: ffff0000d3269058 [ 79.671255][ T5308] x20: 00000000ffffffe4 x19: ffff0000db0059d0 x18: 0000000000000001 [ 79.672543][ T5308] x17: 0000000000000000 x16: ffff800011255484 x15: 00000000ffffffff [ 79.673794][ T5308] x14: 0000000000000001 x13: 1fffe000341f07ab x12: 0000000000ff0100 [ 79.675009][ T5308] x11: 0000000000000000 x10: 0000000000000000 x9 : 6a79542ecae25a00 [ 79.676224][ T5308] x8 : 6a79542ecae25a00 x7 : 0000000000000001 x6 : 0000000000000001 [ 79.677455][ T5308] x5 : ffff8000216a6e58 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 79.678640][ T5308] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 79.679838][ T5308] Call trace: [ 79.680424][ T5308] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 79.681485][ T5308] __btrfs_end_transaction+0x13c/0x5f0 [ 79.682335][ T5308] btrfs_end_transaction+0x24/0x34 [ 79.683189][ T5308] btrfs_inc_block_group_ro+0x4ec/0x558 [ 79.684043][ T5308] btrfs_relocate_block_group+0x2b8/0x8a4 [ 79.685059][ T5308] btrfs_relocate_chunk+0xb8/0x280 [ 79.686000][ T5308] __btrfs_balance+0x11ac/0x1bfc [ 79.686869][ T5308] btrfs_balance+0xac8/0x113c [ 79.687693][ T5308] btrfs_ioctl_balance+0x4cc/0x658 [ 79.688537][ T5308] btrfs_ioctl+0x20c/0xa8c [ 79.689283][ T5308] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.690152][ T5308] invoke_syscall+0x98/0x2b0 [ 79.690937][ T5308] el0_svc_common+0x138/0x258 [ 79.691828][ T5308] do_el0_svc+0x58/0x13c [ 79.692664][ T5308] el0_svc+0x78/0x1d0 [ 79.693334][ T5308] el0t_64_sync_handler+0xcc/0xe4 [ 79.694197][ T5308] el0t_64_sync+0x1a0/0x1a4 [ 79.694952][ T5308] irq event stamp: 79402 [ 79.695712][ T5308] hardirqs last enabled at (79401): [] __up_console_sem+0xb4/0xfc [ 79.697318][ T5308] hardirqs last disabled at (79402): [] el1_dbg+0x24/0x80 [ 79.698809][ T5308] softirqs last enabled at (79274): [] local_bh_enable+0x10/0x34 [ 79.700375][ T5308] softirqs last disabled at (79272): [] local_bh_disable+0x10/0x34 [ 79.701882][ T5308] ---[ end trace 15100971baff9988 ]--- [ 79.703823][ T5308] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 79.706170][ T5308] BTRFS info (device loop0): forced readonly [ 79.707130][ T5308] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 79.709025][ T5308] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 79.710762][ T5308] BTRFS info (device loop0): balance: ended with status: -30 [ 79.773623][ T4495] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 9 /dev/loop0 scanned by udevd (4495) [ 79.862697][ T5330] loop0: detected capacity change from 0 to 32768 [ 79.932603][ T5330] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 79.933989][ T5330] BTRFS info (device loop0): using free space tree [ 79.935002][ T5330] BTRFS info (device loop0): has skinny extents [ 79.943034][ T5330] BTRFS info (device loop0): enabling ssd optimizations [ 79.952182][ T5330] BTRFS info (device loop0): balance: start -s [ 79.953546][ T5330] ------------[ cut here ]------------ [ 79.954604][ T5330] WARNING: CPU: 0 PID: 5330 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 79.956392][ T5330] Modules linked in: [ 79.957030][ T5330] CPU: 0 PID: 5330 Comm: syz.0.34 Tainted: G W syzkaller #0 [ 79.958333][ T5330] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 79.960060][ T5330] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.961424][ T5330] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 79.962535][ T5330] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 79.963630][ T5330] sp : ffff8000216a7540 [ 79.964330][ T5330] x29: ffff8000216a7710 x28: ffff0000c0fbd9b0 x27: 1fffe0001bd25b56 [ 79.965674][ T5330] x26: 1fffe000181f7b0b x25: ffff0000c0fbd850 x24: dfff800000000000 [ 79.967020][ T5330] x23: ffff0000de92daa8 x22: 1fffe000181f7b0a x21: ffff0000c0fbd858 [ 79.968493][ T5330] x20: 00000000ffffffe4 x19: ffff0000ec0599d0 x18: 0000000000000001 [ 79.969830][ T5330] x17: 0000000000000000 x16: ffff800011255484 x15: 00000000ffffffff [ 79.971130][ T5330] x14: 0000000000000001 x13: 1fffe000341f07ab x12: 0000000000ff0100 [ 79.972530][ T5330] x11: 0000000000000000 x10: 0000000000000000 x9 : 469ba9e242a74800 [ 79.973916][ T5330] x8 : 469ba9e242a74800 x7 : 0000000000000001 x6 : 0000000000000001 [ 79.975339][ T5330] x5 : ffff8000216a6e58 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 79.976669][ T5330] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 79.978054][ T5330] Call trace: [ 79.978630][ T5330] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 79.979730][ T5330] __btrfs_end_transaction+0x13c/0x5f0 [ 79.980671][ T5330] btrfs_end_transaction+0x24/0x34 [ 79.981547][ T5330] btrfs_inc_block_group_ro+0x4ec/0x558 [ 79.982404][ T5330] btrfs_relocate_block_group+0x2b8/0x8a4 [ 79.983365][ T5330] btrfs_relocate_chunk+0xb8/0x280 [ 79.984206][ T5330] __btrfs_balance+0x11ac/0x1bfc [ 79.985009][ T5330] btrfs_balance+0xac8/0x113c [ 79.985736][ T5330] btrfs_ioctl_balance+0x4cc/0x658 [ 79.986596][ T5330] btrfs_ioctl+0x20c/0xa8c [ 79.987340][ T5330] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.988143][ T5330] invoke_syscall+0x98/0x2b0 [ 79.988922][ T5330] el0_svc_common+0x138/0x258 [ 79.989720][ T5330] do_el0_svc+0x58/0x13c [ 79.990545][ T5330] el0_svc+0x78/0x1d0 [ 79.991212][ T5330] el0t_64_sync_handler+0xcc/0xe4 [ 79.991975][ T5330] el0t_64_sync+0x1a0/0x1a4 [ 79.992665][ T5330] irq event stamp: 79342 [ 79.993292][ T5330] hardirqs last enabled at (79341): [] __up_console_sem+0xb4/0xfc [ 79.994713][ T5330] hardirqs last disabled at (79342): [] el1_dbg+0x24/0x80 [ 79.996082][ T5330] softirqs last enabled at (79182): [] local_bh_enable+0x10/0x34 [ 79.997665][ T5330] softirqs last disabled at (79180): [] local_bh_disable+0x10/0x34 [ 79.999241][ T5330] ---[ end trace 15100971baff9989 ]--- [ 80.002886][ T5330] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 80.004772][ T5330] BTRFS info (device loop0): forced readonly [ 80.005897][ T5330] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 80.007615][ T5330] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 80.009280][ T5330] BTRFS info (device loop0): balance: ended with status: -30 [ 80.148950][ T5353] loop0: detected capacity change from 0 to 32768 [ 80.222220][ T5353] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.35 (5353) [ 80.266448][ T5353] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 80.267827][ T5353] BTRFS info (device loop0): using free space tree [ 80.268912][ T5353] BTRFS info (device loop0): has skinny extents [ 80.276901][ T5353] BTRFS info (device loop0): enabling ssd optimizations [ 80.281984][ T5353] BTRFS info (device loop0): balance: start -s [ 80.283593][ T5353] ------------[ cut here ]------------ [ 80.284632][ T5353] WARNING: CPU: 1 PID: 5353 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 80.286423][ T5353] Modules linked in: [ 80.287101][ T5353] CPU: 1 PID: 5353 Comm: syz.0.35 Tainted: G W syzkaller #0 [ 80.288597][ T5353] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 80.290215][ T5353] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 80.291485][ T5353] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 80.292666][ T5353] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 80.293807][ T5353] sp : ffff8000216a7540 [ 80.294498][ T5353] x29: ffff8000216a7710 x28: ffff0000d34671b0 x27: 1fffe0001bd354e8 [ 80.295860][ T5353] x26: 1fffe0001a68ce0b x25: ffff0000d3467050 x24: dfff800000000000 [ 80.297248][ T5353] x23: ffff0000de9aa738 x22: 1fffe0001a68ce0a x21: ffff0000d3467058 [ 80.298642][ T5353] x20: 00000000ffffffe4 x19: ffff0000e81c19d0 x18: 0000000000000001 [ 80.300008][ T5353] x17: 0000000000000000 x16: ffff800011255484 x15: 00000000ffffffff [ 80.301492][ T5353] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 80.302903][ T5353] x11: 0000000000000000 x10: 0000000000000000 x9 : da9c73a911be3600 [ 80.304263][ T5353] x8 : da9c73a911be3600 x7 : 0000000000000001 x6 : 0000000000000001 [ 80.305527][ T5353] x5 : ffff8000216a6e58 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 80.306835][ T5353] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 80.308241][ T5353] Call trace: [ 80.308831][ T5353] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 80.309941][ T5353] __btrfs_end_transaction+0x13c/0x5f0 [ 80.310882][ T5353] btrfs_end_transaction+0x24/0x34 [ 80.311808][ T5353] btrfs_inc_block_group_ro+0x4ec/0x558 [ 80.312770][ T5353] btrfs_relocate_block_group+0x2b8/0x8a4 [ 80.313763][ T5353] btrfs_relocate_chunk+0xb8/0x280 [ 80.314683][ T5353] __btrfs_balance+0x11ac/0x1bfc [ 80.315529][ T5353] btrfs_balance+0xac8/0x113c [ 80.316334][ T5353] btrfs_ioctl_balance+0x4cc/0x658 [ 80.317241][ T5353] btrfs_ioctl+0x20c/0xa8c [ 80.318040][ T5353] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.318885][ T5353] invoke_syscall+0x98/0x2b0 [ 80.319648][ T5353] el0_svc_common+0x138/0x258 [ 80.320438][ T5353] do_el0_svc+0x58/0x13c [ 80.321098][ T5353] el0_svc+0x78/0x1d0 [ 80.321795][ T5353] el0t_64_sync_handler+0xcc/0xe4 [ 80.322695][ T5353] el0t_64_sync+0x1a0/0x1a4 [ 80.323474][ T5353] irq event stamp: 79070 [ 80.324203][ T5353] hardirqs last enabled at (79069): [] __up_console_sem+0xb4/0xfc [ 80.325928][ T5353] hardirqs last disabled at (79070): [] el1_dbg+0x24/0x80 [ 80.327450][ T5353] softirqs last enabled at (78960): [] handle_softirqs+0xa40/0xbe4 [ 80.329153][ T5353] softirqs last disabled at (78945): [] __irq_exit_rcu+0x240/0x43c [ 80.330769][ T5353] ---[ end trace 15100971baff998a ]--- [ 80.332091][ T5353] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 80.333711][ T5353] BTRFS info (device loop0): forced readonly [ 80.334761][ T5353] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 80.336507][ T5353] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 80.338135][ T5353] BTRFS info (device loop0): balance: ended with status: -30 [ 80.472889][ T5375] loop0: detected capacity change from 0 to 32768 [ 80.475903][ T5375] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.36 (5375) [ 80.480383][ T5375] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 80.481963][ T5375] BTRFS info (device loop0): using free space tree [ 80.483052][ T5375] BTRFS info (device loop0): has skinny extents [ 80.494180][ T5375] BTRFS info (device loop0): enabling ssd optimizations [ 80.499886][ T5375] BTRFS info (device loop0): balance: start -s [ 80.501192][ T5375] ------------[ cut here ]------------ [ 80.503412][ T5375] WARNING: CPU: 0 PID: 5375 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 80.505111][ T5375] Modules linked in: [ 80.505759][ T5375] CPU: 0 PID: 5375 Comm: syz.0.36 Tainted: G W syzkaller #0 [ 80.507064][ T5375] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 80.508540][ T5375] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 80.509756][ T5375] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 80.510831][ T5375] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 80.511932][ T5375] sp : ffff8000219d7540 [ 80.512736][ T5375] x29: ffff8000219d7710 x28: ffff0000d7d721b0 x27: 1fffe0001bd25b98 [ 80.514040][ T5375] x26: 1fffe0001afae40b x25: ffff0000d7d72050 x24: dfff800000000000 [ 80.515261][ T5375] x23: ffff0000de92dcb8 x22: 1fffe0001afae40a x21: ffff0000d7d72058 [ 80.516498][ T5375] x20: 00000000ffffffe4 x19: ffff0000cc2e59d0 x18: 0000000000000001 [ 80.517769][ T5375] x17: 0000000000000000 x16: ffff800011255484 x15: 00000000ffffffff [ 80.518991][ T5375] x14: 0000000000000001 x13: 1fffe000341f07ab x12: 0000000000ff0100 [ 80.520287][ T5375] x11: 0000000000000000 x10: 0000000000000000 x9 : 40b2e35843b2fd00 [ 80.521507][ T5375] x8 : 40b2e35843b2fd00 x7 : 0000000000000001 x6 : 0000000000000001 [ 80.522749][ T5375] x5 : ffff8000219d6e58 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 80.524065][ T5375] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 80.525418][ T5375] Call trace: [ 80.525918][ T5375] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 80.527033][ T5375] __btrfs_end_transaction+0x13c/0x5f0 [ 80.527970][ T5375] btrfs_end_transaction+0x24/0x34 [ 80.528757][ T5375] btrfs_inc_block_group_ro+0x4ec/0x558 [ 80.529684][ T5375] btrfs_relocate_block_group+0x2b8/0x8a4 [ 80.530732][ T5375] btrfs_relocate_chunk+0xb8/0x280 [ 80.531666][ T5375] __btrfs_balance+0x11ac/0x1bfc [ 80.532567][ T5375] btrfs_balance+0xac8/0x113c [ 80.533354][ T5375] btrfs_ioctl_balance+0x4cc/0x658 [ 80.534132][ T5375] btrfs_ioctl+0x20c/0xa8c [ 80.534758][ T5375] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.535595][ T5375] invoke_syscall+0x98/0x2b0 [ 80.536430][ T5375] el0_svc_common+0x138/0x258 [ 80.537205][ T5375] do_el0_svc+0x58/0x13c [ 80.537973][ T5375] el0_svc+0x78/0x1d0 [ 80.538682][ T5375] el0t_64_sync_handler+0xcc/0xe4 [ 80.539624][ T5375] el0t_64_sync+0x1a0/0x1a4 [ 80.540427][ T5375] irq event stamp: 80266 [ 80.541128][ T5375] hardirqs last enabled at (80265): [] __up_console_sem+0xb4/0xfc [ 80.542669][ T5375] hardirqs last disabled at (80266): [] el1_dbg+0x24/0x80 [ 80.544121][ T5375] softirqs last enabled at (80254): [] handle_softirqs+0xa40/0xbe4 [ 80.545664][ T5375] softirqs last disabled at (80241): [] __irq_exit_rcu+0x240/0x43c [ 80.547289][ T5375] ---[ end trace 15100971baff998b ]--- [ 80.550457][ T5375] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 80.552137][ T5375] BTRFS info (device loop0): forced readonly [ 80.553668][ T5375] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 80.555465][ T5375] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 80.557167][ T5375] BTRFS info (device loop0): balance: ended with status: -30 [ 80.715896][ T5397] loop0: detected capacity change from 0 to 32768 [ 80.723751][ T5397] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.37 (5397) [ 80.728271][ T5397] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 80.729756][ T5397] BTRFS info (device loop0): using free space tree [ 80.730880][ T5397] BTRFS info (device loop0): has skinny extents [ 80.741524][ T5397] BTRFS info (device loop0): enabling ssd optimizations [ 80.746210][ T5397] BTRFS info (device loop0): balance: start -s [ 80.747504][ T5397] ------------[ cut here ]------------ [ 80.748520][ T5397] WARNING: CPU: 0 PID: 5397 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 80.750302][ T5397] Modules linked in: [ 80.750847][ T5397] CPU: 0 PID: 5397 Comm: syz.0.37 Tainted: G W syzkaller #0 [ 80.752331][ T5397] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 80.753884][ T5397] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 80.755178][ T5397] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 80.756260][ T5397] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 80.757352][ T5397] sp : ffff800021697540 [ 80.758145][ T5397] x29: ffff800021697710 x28: ffff0000c86819b0 x27: 1fffe0001bd25bc4 [ 80.759579][ T5397] x26: 1fffe000190d030b x25: ffff0000c8681850 x24: dfff800000000000 [ 80.760899][ T5397] x23: ffff0000de92de18 x22: 1fffe000190d030a x21: ffff0000c8681858 [ 80.762299][ T5397] x20: 00000000ffffffe4 x19: ffff0000cec7d9d0 x18: 0000000000000001 [ 80.763634][ T5397] x17: 0000000000000000 x16: ffff800011255484 x15: 00000000ffffffff [ 80.764863][ T5397] x14: 0000000000000001 x13: 1fffe000341f07ab x12: 0000000000ff0100 [ 80.766067][ T5397] x11: 0000000000000000 x10: 0000000000000000 x9 : 750dc86f296b9600 [ 80.767445][ T5397] x8 : 750dc86f296b9600 x7 : 0000000000000001 x6 : 0000000000000001 [ 80.768787][ T5397] x5 : ffff800021696e58 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 80.770105][ T5397] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 80.771375][ T5397] Call trace: [ 80.771911][ T5397] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 80.772936][ T5397] __btrfs_end_transaction+0x13c/0x5f0 [ 80.773788][ T5397] btrfs_end_transaction+0x24/0x34 [ 80.774648][ T5397] btrfs_inc_block_group_ro+0x4ec/0x558 [ 80.775584][ T5397] btrfs_relocate_block_group+0x2b8/0x8a4 [ 80.776642][ T5397] btrfs_relocate_chunk+0xb8/0x280 [ 80.777507][ T5397] __btrfs_balance+0x11ac/0x1bfc [ 80.778313][ T5397] btrfs_balance+0xac8/0x113c [ 80.779060][ T5397] btrfs_ioctl_balance+0x4cc/0x658 [ 80.779887][ T5397] btrfs_ioctl+0x20c/0xa8c [ 80.780730][ T5397] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.781528][ T5397] invoke_syscall+0x98/0x2b0 [ 80.782284][ T5397] el0_svc_common+0x138/0x258 [ 80.783086][ T5397] do_el0_svc+0x58/0x13c [ 80.783784][ T5397] el0_svc+0x78/0x1d0 [ 80.784457][ T5397] el0t_64_sync_handler+0xcc/0xe4 [ 80.785276][ T5397] el0t_64_sync+0x1a0/0x1a4 [ 80.785995][ T5397] irq event stamp: 79532 [ 80.786659][ T5397] hardirqs last enabled at (79531): [] __up_console_sem+0xb4/0xfc [ 80.788170][ T5397] hardirqs last disabled at (79532): [] el1_dbg+0x24/0x80 [ 80.789600][ T5397] softirqs last enabled at (79394): [] local_bh_enable+0x10/0x34 [ 80.791154][ T5397] softirqs last disabled at (79392): [] local_bh_disable+0x10/0x34 [ 80.792730][ T5397] ---[ end trace 15100971baff998c ]--- [ 80.796159][ T5397] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 80.797970][ T5397] BTRFS info (device loop0): forced readonly [ 80.799119][ T5397] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 80.800850][ T5397] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 80.803098][ T5397] BTRFS info (device loop0): balance: ended with status: -30 [ 80.936673][ T5419] loop0: detected capacity change from 0 to 32768 [ 81.026017][ T5419] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.38 (5419) [ 81.029217][ T5419] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 81.030651][ T5419] BTRFS info (device loop0): using free space tree [ 81.033514][ T5419] BTRFS info (device loop0): has skinny extents [ 81.040684][ T5419] BTRFS info (device loop0): enabling ssd optimizations [ 81.050510][ T5419] BTRFS info (device loop0): balance: start -s [ 81.052316][ T5419] ------------[ cut here ]------------ [ 81.053372][ T5419] WARNING: CPU: 1 PID: 5419 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 81.055126][ T5419] Modules linked in: [ 81.055740][ T5419] CPU: 1 PID: 5419 Comm: syz.0.38 Tainted: G W syzkaller #0 [ 81.057024][ T5419] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 81.058554][ T5419] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 81.059846][ T5419] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 81.060858][ T5419] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 81.061919][ T5419] sp : ffff800021c07540 [ 81.062616][ T5419] x29: ffff800021c07710 x28: ffff0000cb6011b0 x27: 1fffe0001bd354d2 [ 81.063973][ T5419] x26: 1fffe000196c020b x25: ffff0000cb601050 x24: dfff800000000000 [ 81.065385][ T5419] x23: ffff0000de9aa688 x22: 1fffe000196c020a x21: ffff0000cb601058 [ 81.066783][ T5419] x20: 00000000ffffffe4 x19: ffff0000cb18d9d0 x18: 0000000000000001 [ 81.068007][ T5419] x17: 0000000000000000 x16: ffff800011255484 x15: 00000000ffffffff [ 81.069336][ T5419] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 81.070743][ T5419] x11: 0000000000000000 x10: 0000000000000000 x9 : 1e17c8e01954ec00 [ 81.072127][ T5419] x8 : 1e17c8e01954ec00 x7 : 0000000000000001 x6 : 0000000000000001 [ 81.073458][ T5419] x5 : ffff800021c06e58 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 81.074753][ T5419] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 81.076068][ T5419] Call trace: [ 81.076640][ T5419] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 81.077674][ T5419] __btrfs_end_transaction+0x13c/0x5f0 [ 81.078603][ T5419] btrfs_end_transaction+0x24/0x34 [ 81.079441][ T5419] btrfs_inc_block_group_ro+0x4ec/0x558 [ 81.080333][ T5419] btrfs_relocate_block_group+0x2b8/0x8a4 [ 81.081283][ T5419] btrfs_relocate_chunk+0xb8/0x280 [ 81.082150][ T5419] __btrfs_balance+0x11ac/0x1bfc [ 81.082962][ T5419] btrfs_balance+0xac8/0x113c [ 81.083724][ T5419] btrfs_ioctl_balance+0x4cc/0x658 [ 81.084514][ T5419] btrfs_ioctl+0x20c/0xa8c [ 81.085188][ T5419] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.085942][ T5419] invoke_syscall+0x98/0x2b0 [ 81.086611][ T5419] el0_svc_common+0x138/0x258 [ 81.087439][ T5419] do_el0_svc+0x58/0x13c [ 81.088131][ T5419] el0_svc+0x78/0x1d0 [ 81.088828][ T5419] el0t_64_sync_handler+0xcc/0xe4 [ 81.089644][ T5419] el0t_64_sync+0x1a0/0x1a4 [ 81.090364][ T5419] irq event stamp: 79242 [ 81.091025][ T5419] hardirqs last enabled at (79241): [] __up_console_sem+0xb4/0xfc [ 81.092694][ T5419] hardirqs last disabled at (79242): [] el1_dbg+0x24/0x80 [ 81.094143][ T5419] softirqs last enabled at (79144): [] handle_softirqs+0xa40/0xbe4 [ 81.095654][ T5419] softirqs last disabled at (79107): [] __irq_exit_rcu+0x240/0x43c [ 81.097204][ T5419] ---[ end trace 15100971baff998d ]--- [ 81.098566][ T5419] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 81.100289][ T5419] BTRFS info (device loop0): forced readonly [ 81.101357][ T5419] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 81.103039][ T5419] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 81.104729][ T5419] BTRFS info (device loop0): balance: ended with status: -30 [ 81.242761][ T5441] loop0: detected capacity change from 0 to 32768 [ 81.272624][ T5441] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.39 (5441) [ 81.277950][ T5441] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 81.279412][ T5441] BTRFS info (device loop0): using free space tree [ 81.280476][ T5441] BTRFS info (device loop0): has skinny extents [ 81.289383][ T5441] BTRFS info (device loop0): enabling ssd optimizations [ 81.294627][ T5441] BTRFS info (device loop0): balance: start -s [ 81.296211][ T5441] ------------[ cut here ]------------ [ 81.297236][ T5441] WARNING: CPU: 0 PID: 5441 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 81.298949][ T5441] Modules linked in: [ 81.299530][ T5441] CPU: 0 PID: 5441 Comm: syz.0.39 Tainted: G W syzkaller #0 [ 81.300822][ T5441] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 81.302463][ T5441] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 81.303778][ T5441] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 81.304976][ T5441] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 81.306160][ T5441] sp : ffff8000219d7540 [ 81.306913][ T5441] x29: ffff8000219d7710 x28: ffff0000d69ed1b0 x27: 1fffe0001bd25bf0 [ 81.308261][ T5441] x26: 1fffe0001ad3da0b x25: ffff0000d69ed050 x24: dfff800000000000 [ 81.309656][ T5441] x23: ffff0000de92df78 x22: 1fffe0001ad3da0a x21: ffff0000d69ed058 [ 81.311055][ T5441] x20: 00000000ffffffe4 x19: ffff0000cb18d9d0 x18: 0000000000000001 [ 81.312471][ T5441] x17: 0000000000000000 x16: ffff800011255484 x15: 00000000ffffffff [ 81.313889][ T5441] x14: 0000000000000001 x13: 1fffe000341f07ab x12: 0000000000ff0100 [ 81.315265][ T5441] x11: 0000000000000000 x10: 0000000000000000 x9 : e1ab52d9bd0af900 [ 81.316667][ T5441] x8 : e1ab52d9bd0af900 x7 : 0000000000000001 x6 : 0000000000000001 [ 81.318039][ T5441] x5 : ffff8000219d6e58 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 81.319446][ T5441] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 81.320759][ T5441] Call trace: [ 81.321362][ T5441] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 81.322401][ T5441] __btrfs_end_transaction+0x13c/0x5f0 [ 81.323259][ T5441] btrfs_end_transaction+0x24/0x34 [ 81.324098][ T5441] btrfs_inc_block_group_ro+0x4ec/0x558 [ 81.324987][ T5441] btrfs_relocate_block_group+0x2b8/0x8a4 [ 81.325861][ T5441] btrfs_relocate_chunk+0xb8/0x280 [ 81.326733][ T5441] __btrfs_balance+0x11ac/0x1bfc [ 81.327537][ T5441] btrfs_balance+0xac8/0x113c [ 81.328297][ T5441] btrfs_ioctl_balance+0x4cc/0x658 [ 81.329194][ T5441] btrfs_ioctl+0x20c/0xa8c [ 81.329943][ T5441] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.330764][ T5441] invoke_syscall+0x98/0x2b0 [ 81.331527][ T5441] el0_svc_common+0x138/0x258 [ 81.332276][ T5441] do_el0_svc+0x58/0x13c [ 81.332990][ T5441] el0_svc+0x78/0x1d0 [ 81.333696][ T5441] el0t_64_sync_handler+0xcc/0xe4 [ 81.334580][ T5441] el0t_64_sync+0x1a0/0x1a4 [ 81.335324][ T5441] irq event stamp: 78848 [ 81.336058][ T5441] hardirqs last enabled at (78847): [] __up_console_sem+0xb4/0xfc [ 81.337678][ T5441] hardirqs last disabled at (78848): [] el1_dbg+0x24/0x80 [ 81.339206][ T5441] softirqs last enabled at (78706): [] local_bh_enable+0x10/0x34 [ 81.340819][ T5441] softirqs last disabled at (78704): [] local_bh_disable+0x10/0x34 [ 81.342484][ T5441] ---[ end trace 15100971baff998e ]--- [ 81.343942][ T5441] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 81.345594][ T5441] BTRFS info (device loop0): forced readonly [ 81.346662][ T5441] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 81.348316][ T5441] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 81.350207][ T5441] BTRFS info (device loop0): balance: ended with status: -30 [ 81.497704][ T5463] loop0: detected capacity change from 0 to 32768 [ 81.505601][ T5463] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.40 (5463) [ 81.510147][ T5463] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 81.511772][ T5463] BTRFS info (device loop0): using free space tree [ 81.512835][ T5463] BTRFS info (device loop0): has skinny extents [ 81.519557][ T5463] BTRFS info (device loop0): enabling ssd optimizations [ 81.525615][ T5463] BTRFS info (device loop0): balance: start -s [ 81.526929][ T5463] ------------[ cut here ]------------ [ 81.527877][ T5463] WARNING: CPU: 1 PID: 5463 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 81.529779][ T5463] Modules linked in: [ 81.530404][ T5463] CPU: 1 PID: 5463 Comm: syz.0.40 Tainted: G W syzkaller #0 [ 81.531787][ T5463] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 81.533452][ T5463] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 81.534782][ T5463] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 81.535853][ T5463] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 81.536957][ T5463] sp : ffff800021e37540 [ 81.537642][ T5463] x29: ffff800021e37710 x28: ffff0000c208e1b0 x27: 1fffe0001bd354a6 [ 81.538956][ T5463] x26: 1fffe00018411c0b x25: ffff0000c208e050 x24: dfff800000000000 [ 81.540283][ T5463] x23: ffff0000de9aa528 x22: 1fffe00018411c0a x21: ffff0000c208e058 [ 81.541618][ T5463] x20: 00000000ffffffe4 x19: ffff0000cb18d9d0 x18: 0000000000000001 [ 81.542946][ T5463] x17: 0000000000000000 x16: ffff800011255484 x15: 00000000ffffffff [ 81.544334][ T5463] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 81.545660][ T5463] x11: 0000000000000000 x10: 0000000000000000 x9 : 7c2ab63d4d0f1e00 [ 81.546933][ T5463] x8 : 7c2ab63d4d0f1e00 x7 : 0000000000000001 x6 : 0000000000000001 [ 81.548183][ T5463] x5 : ffff800021e36e58 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 81.549416][ T5463] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 81.550686][ T5463] Call trace: [ 81.551213][ T5463] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 81.552264][ T5463] __btrfs_end_transaction+0x13c/0x5f0 [ 81.553163][ T5463] btrfs_end_transaction+0x24/0x34 [ 81.553964][ T5463] btrfs_inc_block_group_ro+0x4ec/0x558 [ 81.554895][ T5463] btrfs_relocate_block_group+0x2b8/0x8a4 [ 81.555871][ T5463] btrfs_relocate_chunk+0xb8/0x280 [ 81.556701][ T5463] __btrfs_balance+0x11ac/0x1bfc [ 81.557471][ T5463] btrfs_balance+0xac8/0x113c [ 81.558387][ T5463] btrfs_ioctl_balance+0x4cc/0x658 [ 81.559246][ T5463] btrfs_ioctl+0x20c/0xa8c [ 81.559837][ T5463] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.560710][ T5463] invoke_syscall+0x98/0x2b0 [ 81.561397][ T5463] el0_svc_common+0x138/0x258 [ 81.562090][ T5463] do_el0_svc+0x58/0x13c [ 81.562817][ T5463] el0_svc+0x78/0x1d0 [ 81.563498][ T5463] el0t_64_sync_handler+0xcc/0xe4 [ 81.564333][ T5463] el0t_64_sync+0x1a0/0x1a4 [ 81.565098][ T5463] irq event stamp: 79454 [ 81.565803][ T5463] hardirqs last enabled at (79453): [] __up_console_sem+0xb4/0xfc [ 81.567466][ T5463] hardirqs last disabled at (79454): [] el1_dbg+0x24/0x80 [ 81.568867][ T5463] softirqs last enabled at (79330): [] local_bh_enable+0x10/0x34 [ 81.570417][ T5463] softirqs last disabled at (79328): [] local_bh_disable+0x10/0x34 [ 81.571916][ T5463] ---[ end trace 15100971baff998f ]--- [ 81.573196][ T5463] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 81.574898][ T5463] BTRFS info (device loop0): forced readonly [ 81.575901][ T5463] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 81.577597][ T5463] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 81.579425][ T5463] BTRFS info (device loop0): balance: ended with status: -30 [ 81.728585][ T5485] loop0: detected capacity change from 0 to 32768 [ 81.816306][ T5485] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.41 (5485) [ 81.819287][ T5485] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 81.820575][ T5485] BTRFS info (device loop0): using free space tree [ 81.822049][ T5485] BTRFS info (device loop0): has skinny extents [ 81.830631][ T5485] BTRFS info (device loop0): enabling ssd optimizations [ 81.844356][ T5485] BTRFS info (device loop0): balance: start -s [ 81.846003][ T5485] ------------[ cut here ]------------ [ 81.846996][ T5485] WARNING: CPU: 1 PID: 5485 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 81.848821][ T5485] Modules linked in: [ 81.849471][ T5485] CPU: 1 PID: 5485 Comm: syz.0.41 Tainted: G W syzkaller #0 [ 81.850750][ T5485] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 81.852434][ T5485] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 81.853749][ T5485] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 81.854880][ T5485] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 81.856015][ T5485] sp : ffff800021e37540 [ 81.856715][ T5485] x29: ffff800021e37710 x28: ffff0000d6cfb9b0 x27: 1fffe0001bd35540 [ 81.857940][ T5485] x26: 1fffe0001ad9f70b x25: ffff0000d6cfb850 x24: dfff800000000000 [ 81.859291][ T5485] x23: ffff0000de9aa9f8 x22: 1fffe0001ad9f70a x21: ffff0000d6cfb858 [ 81.860540][ T5485] x20: 00000000ffffffe4 x19: ffff0000d08bd9d0 x18: 0000000000000001 [ 81.861915][ T5485] x17: 0000000000000000 x16: ffff800011255484 x15: 00000000ffffffff [ 81.863394][ T5485] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 81.864810][ T5485] x11: 0000000000000000 x10: 0000000000000000 x9 : 3828a075b738e400 [ 81.866162][ T5485] x8 : 3828a075b738e400 x7 : 0000000000000001 x6 : 0000000000000001 [ 81.867525][ T5485] x5 : ffff800021e36e58 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 81.868906][ T5485] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 81.870334][ T5485] Call trace: [ 81.870932][ T5485] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 81.872014][ T5485] __btrfs_end_transaction+0x13c/0x5f0 [ 81.872967][ T5485] btrfs_end_transaction+0x24/0x34 [ 81.873816][ T5485] btrfs_inc_block_group_ro+0x4ec/0x558 [ 81.874792][ T5485] btrfs_relocate_block_group+0x2b8/0x8a4 [ 81.875805][ T5485] btrfs_relocate_chunk+0xb8/0x280 [ 81.876719][ T5485] __btrfs_balance+0x11ac/0x1bfc [ 81.877596][ T5485] btrfs_balance+0xac8/0x113c [ 81.878448][ T5485] btrfs_ioctl_balance+0x4cc/0x658 [ 81.879321][ T5485] btrfs_ioctl+0x20c/0xa8c [ 81.880083][ T5485] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.880931][ T5485] invoke_syscall+0x98/0x2b0 [ 81.881731][ T5485] el0_svc_common+0x138/0x258 [ 81.882499][ T5485] do_el0_svc+0x58/0x13c [ 81.883149][ T5485] el0_svc+0x78/0x1d0 [ 81.883813][ T5485] el0t_64_sync_handler+0xcc/0xe4 [ 81.884607][ T5485] el0t_64_sync+0x1a0/0x1a4 [ 81.885410][ T5485] irq event stamp: 79576 [ 81.886129][ T5485] hardirqs last enabled at (79575): [] __up_console_sem+0xb4/0xfc [ 81.887742][ T5485] hardirqs last disabled at (79576): [] el1_dbg+0x24/0x80 [ 81.889248][ T5485] softirqs last enabled at (79430): [] local_bh_enable+0x10/0x34 [ 81.890760][ T5485] softirqs last disabled at (79428): [] local_bh_disable+0x10/0x34 [ 81.892316][ T5485] ---[ end trace 15100971baff9990 ]--- [ 81.893660][ T5485] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 81.895422][ T5485] BTRFS info (device loop0): forced readonly [ 81.896450][ T5485] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 81.898127][ T5485] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 81.899934][ T5485] BTRFS info (device loop0): balance: ended with status: -30 [ 82.154047][ T5507] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.42 (5507) [ 82.157320][ T5507] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 82.158726][ T5507] BTRFS info (device loop0): using free space tree [ 82.159830][ T5507] BTRFS info (device loop0): has skinny extents [ 82.180700][ T5507] BTRFS info (device loop0): enabling ssd optimizations [ 82.186009][ T5507] BTRFS info (device loop0): balance: start -s [ 82.187373][ T5507] ------------[ cut here ]------------ [ 82.188579][ T5507] WARNING: CPU: 1 PID: 5507 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 82.190321][ T5507] Modules linked in: [ 82.190941][ T5507] CPU: 1 PID: 5507 Comm: syz.0.42 Tainted: G W syzkaller #0 [ 82.192436][ T5507] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 82.194081][ T5507] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 82.195444][ T5507] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 82.196573][ T5507] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 82.197797][ T5507] sp : ffff800022077540 [ 82.198514][ T5507] x29: ffff800022077710 x28: ffff0000cdbb61b0 x27: 1fffe0001bd35556 [ 82.199909][ T5507] x26: 1fffe00019b76c0b x25: ffff0000cdbb6050 x24: dfff800000000000 [ 82.201247][ T5507] x23: ffff0000de9aaaa8 x22: 1fffe00019b76c0a x21: ffff0000cdbb6058 [ 82.202705][ T5507] x20: 00000000ffffffe4 x19: ffff0000cd4619d0 x18: 0000000000000001 [ 82.204019][ T5507] x17: 0000000000000000 x16: ffff800011255484 x15: 00000000ffffffff [ 82.205381][ T5507] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 82.206688][ T5507] x11: 0000000000000000 x10: 0000000000000000 x9 : 4365f91eb5757800 [ 82.208117][ T5507] x8 : 4365f91eb5757800 x7 : 0000000000000001 x6 : 0000000000000001 [ 82.209455][ T5507] x5 : ffff800022076e58 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 82.210935][ T5507] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 82.212262][ T5507] Call trace: [ 82.212763][ T5507] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 82.213804][ T5507] __btrfs_end_transaction+0x13c/0x5f0 [ 82.214689][ T5507] btrfs_end_transaction+0x24/0x34 [ 82.215510][ T5507] btrfs_inc_block_group_ro+0x4ec/0x558 [ 82.216446][ T5507] btrfs_relocate_block_group+0x2b8/0x8a4 [ 82.217346][ T5507] btrfs_relocate_chunk+0xb8/0x280 [ 82.218223][ T5507] __btrfs_balance+0x11ac/0x1bfc [ 82.219066][ T5507] btrfs_balance+0xac8/0x113c [ 82.219802][ T5507] btrfs_ioctl_balance+0x4cc/0x658 [ 82.220649][ T5507] btrfs_ioctl+0x20c/0xa8c [ 82.221493][ T5507] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.222354][ T5507] invoke_syscall+0x98/0x2b0 [ 82.223121][ T5507] el0_svc_common+0x138/0x258 [ 82.223917][ T5507] do_el0_svc+0x58/0x13c [ 82.224615][ T5507] el0_svc+0x78/0x1d0 [ 82.225277][ T5507] el0t_64_sync_handler+0xcc/0xe4 [ 82.226147][ T5507] el0t_64_sync+0x1a0/0x1a4 [ 82.226852][ T5507] irq event stamp: 79558 [ 82.227521][ T5507] hardirqs last enabled at (79557): [] __up_console_sem+0xb4/0xfc [ 82.229072][ T5507] hardirqs last disabled at (79558): [] el1_dbg+0x24/0x80 [ 82.230629][ T5507] softirqs last enabled at (79420): [] local_bh_enable+0x10/0x34 [ 82.232231][ T5507] softirqs last disabled at (79418): [] local_bh_disable+0x10/0x34 [ 82.233669][ T5507] ---[ end trace 15100971baff9991 ]--- [ 82.235686][ T5507] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 82.237483][ T5507] BTRFS info (device loop0): forced readonly [ 82.238487][ T5507] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 82.240205][ T5507] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 82.242417][ T5507] BTRFS info (device loop0): balance: ended with status: -30 [ 82.452604][ T5529] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.43 (5529) [ 82.456110][ T5529] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 82.457760][ T5529] BTRFS info (device loop0): using free space tree [ 82.458720][ T5529] BTRFS info (device loop0): has skinny extents [ 82.478014][ T5529] BTRFS info (device loop0): enabling ssd optimizations [ 82.484306][ T5529] BTRFS info (device loop0): balance: start -s [ 82.485662][ T5529] ------------[ cut here ]------------ [ 82.486685][ T5529] WARNING: CPU: 0 PID: 5529 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 82.488399][ T5529] Modules linked in: [ 82.489021][ T5529] CPU: 0 PID: 5529 Comm: syz.0.43 Tainted: G W syzkaller #0 [ 82.490388][ T5529] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 82.492033][ T5529] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 82.493355][ T5529] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 82.494424][ T5529] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 82.495559][ T5529] sp : ffff8000220e7540 [ 82.496276][ T5529] x29: ffff8000220e7710 x28: ffff0000ce47a9b0 x27: 1fffe0001bd25b2a [ 82.497665][ T5529] x26: 1fffe00019c8f50b x25: ffff0000ce47a850 x24: dfff800000000000 [ 82.499026][ T5529] x23: ffff0000de92d948 x22: 1fffe00019c8f50a x21: ffff0000ce47a858 [ 82.500417][ T5529] x20: 00000000ffffffe4 x19: ffff0000e80ed9d0 x18: 0000000000000001 [ 82.501807][ T5529] x17: 0000000000000000 x16: ffff800011255484 x15: 00000000ffffffff [ 82.503127][ T5529] x14: 0000000000000001 x13: 1fffe000341f07ab x12: 0000000000ff0100 [ 82.504587][ T5529] x11: 0000000000000000 x10: 0000000000000000 x9 : 42b6ebde1c85bf00 [ 82.505923][ T5529] x8 : 42b6ebde1c85bf00 x7 : 0000000000000001 x6 : 0000000000000001 [ 82.507223][ T5529] x5 : ffff8000220e6e58 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 82.508689][ T5529] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 82.510060][ T5529] Call trace: [ 82.510603][ T5529] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 82.511601][ T5529] __btrfs_end_transaction+0x13c/0x5f0 [ 82.512557][ T5529] btrfs_end_transaction+0x24/0x34 [ 82.513345][ T5529] btrfs_inc_block_group_ro+0x4ec/0x558 [ 82.514276][ T5529] btrfs_relocate_block_group+0x2b8/0x8a4 [ 82.515209][ T5529] btrfs_relocate_chunk+0xb8/0x280 [ 82.516002][ T5529] __btrfs_balance+0x11ac/0x1bfc [ 82.516731][ T5529] btrfs_balance+0xac8/0x113c [ 82.517476][ T5529] btrfs_ioctl_balance+0x4cc/0x658 [ 82.518278][ T5529] btrfs_ioctl+0x20c/0xa8c [ 82.519006][ T5529] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.519832][ T5529] invoke_syscall+0x98/0x2b0 [ 82.520563][ T5529] el0_svc_common+0x138/0x258 [ 82.521320][ T5529] do_el0_svc+0x58/0x13c [ 82.522044][ T5529] el0_svc+0x78/0x1d0 [ 82.522701][ T5529] el0t_64_sync_handler+0xcc/0xe4 [ 82.523505][ T5529] el0t_64_sync+0x1a0/0x1a4 [ 82.524230][ T5529] irq event stamp: 79478 [ 82.524899][ T5529] hardirqs last enabled at (79477): [] __up_console_sem+0xb4/0xfc [ 82.526434][ T5529] hardirqs last disabled at (79478): [] el1_dbg+0x24/0x80 [ 82.527935][ T5529] softirqs last enabled at (79356): [] local_bh_enable+0x10/0x34 [ 82.529583][ T5529] softirqs last disabled at (79354): [] local_bh_disable+0x10/0x34 [ 82.531214][ T5529] ---[ end trace 15100971baff9992 ]--- [ 82.534683][ T5529] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 82.536362][ T5529] BTRFS info (device loop0): forced readonly [ 82.537388][ T5529] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 82.539312][ T5529] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 82.540996][ T5529] BTRFS info (device loop0): balance: ended with status: -30 [ 82.743728][ T5551] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.44 (5551) [ 82.749035][ T5551] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 82.750474][ T5551] BTRFS info (device loop0): using free space tree [ 82.751616][ T5551] BTRFS info (device loop0): has skinny extents [ 82.760081][ T5551] BTRFS info (device loop0): enabling ssd optimizations [ 82.764818][ T5551] BTRFS info (device loop0): balance: start -s [ 82.766133][ T5551] ------------[ cut here ]------------ [ 82.767315][ T5551] WARNING: CPU: 1 PID: 5551 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 82.769086][ T5551] Modules linked in: [ 82.769733][ T5551] CPU: 1 PID: 5551 Comm: syz.0.44 Tainted: G W syzkaller #0 [ 82.771127][ T5551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 82.772728][ T5551] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 82.774058][ T5551] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 82.775180][ T5551] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 82.776322][ T5551] sp : ffff8000222b7540 [ 82.777035][ T5551] x29: ffff8000222b7710 x28: ffff0000ce9649b0 x27: 1fffe0001bd3547a [ 82.778501][ T5551] x26: 1fffe00019d2c90b x25: ffff0000ce964850 x24: dfff800000000000 [ 82.779816][ T5551] x23: ffff0000de9aa3c8 x22: 1fffe00019d2c90a x21: ffff0000ce964858 [ 82.781166][ T5551] x20: 00000000ffffffe4 x19: ffff0000ebfcd9d0 x18: 0000000000000001 [ 82.782497][ T5551] x17: 0000000000000000 x16: ffff800011255484 x15: 00000000ffffffff [ 82.783858][ T5551] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 82.785258][ T5551] x11: 0000000000000000 x10: 0000000000000000 x9 : aa52295c1007ae00 [ 82.786629][ T5551] x8 : aa52295c1007ae00 x7 : 0000000000000001 x6 : 0000000000000001 [ 82.787977][ T5551] x5 : ffff8000222b6e58 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 82.789300][ T5551] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 82.790596][ T5551] Call trace: [ 82.791129][ T5551] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 82.792071][ T5551] __btrfs_end_transaction+0x13c/0x5f0 [ 82.793001][ T5551] btrfs_end_transaction+0x24/0x34 [ 82.793904][ T5551] btrfs_inc_block_group_ro+0x4ec/0x558 [ 82.794844][ T5551] btrfs_relocate_block_group+0x2b8/0x8a4 [ 82.795780][ T5551] btrfs_relocate_chunk+0xb8/0x280 [ 82.796735][ T5551] __btrfs_balance+0x11ac/0x1bfc [ 82.797575][ T5551] btrfs_balance+0xac8/0x113c [ 82.798397][ T5551] btrfs_ioctl_balance+0x4cc/0x658 [ 82.799260][ T5551] btrfs_ioctl+0x20c/0xa8c [ 82.800046][ T5551] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.800960][ T5551] invoke_syscall+0x98/0x2b0 [ 82.801731][ T5551] el0_svc_common+0x138/0x258 [ 82.802552][ T5551] do_el0_svc+0x58/0x13c [ 82.803315][ T5551] el0_svc+0x78/0x1d0 [ 82.803995][ T5551] el0t_64_sync_handler+0xcc/0xe4 [ 82.804855][ T5551] el0t_64_sync+0x1a0/0x1a4 [ 82.805588][ T5551] irq event stamp: 78890 [ 82.806306][ T5551] hardirqs last enabled at (78889): [] __up_console_sem+0xb4/0xfc [ 82.807916][ T5551] hardirqs last disabled at (78890): [] el1_dbg+0x24/0x80 [ 82.809391][ T5551] softirqs last enabled at (78772): [] local_bh_enable+0x10/0x34 [ 82.810922][ T5551] softirqs last disabled at (78770): [] local_bh_disable+0x10/0x34 [ 82.812512][ T5551] ---[ end trace 15100971baff9993 ]--- [ 82.813618][ T5551] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 82.815447][ T5551] BTRFS info (device loop0): forced readonly [ 82.816491][ T5551] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 82.818308][ T5551] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 82.820120][ T5551] BTRFS info (device loop0): balance: ended with status: -30 [ 83.015607][ T5573] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.45 (5573) [ 83.020062][ T5573] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 83.021541][ T5573] BTRFS info (device loop0): using free space tree [ 83.022654][ T5573] BTRFS info (device loop0): has skinny extents [ 83.029925][ T5573] BTRFS info (device loop0): enabling ssd optimizations [ 83.035787][ T5573] BTRFS info (device loop0): balance: start -s [ 83.037250][ T5573] ------------[ cut here ]------------ [ 83.038291][ T5573] WARNING: CPU: 1 PID: 5573 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 83.040107][ T5573] Modules linked in: [ 83.040740][ T5573] CPU: 1 PID: 5573 Comm: syz.0.45 Tainted: G W syzkaller #0 [ 83.042158][ T5573] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 83.043974][ T5573] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 83.045338][ T5573] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 83.046430][ T5573] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 83.047562][ T5573] sp : ffff8000222b7540 [ 83.048245][ T5573] x29: ffff8000222b7710 x28: ffff0000cdb8d9b0 x27: 1fffe0001bd35582 [ 83.049579][ T5573] x26: 1fffe00019b71b0b x25: ffff0000cdb8d850 x24: dfff800000000000 [ 83.050934][ T5573] x23: ffff0000de9aac08 x22: 1fffe00019b71b0a x21: ffff0000cdb8d858 [ 83.052302][ T5573] x20: 00000000ffffffe4 x19: ffff0000e81559d0 x18: 0000000000000001 [ 83.053567][ T5573] x17: 0000000000000000 x16: ffff800011255484 x15: 00000000ffffffff [ 83.054876][ T5573] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 83.056154][ T5573] x11: 0000000000000000 x10: 0000000000000000 x9 : 6dffcd30a6fd0000 [ 83.057553][ T5573] x8 : 6dffcd30a6fd0000 x7 : 0000000000000001 x6 : 0000000000000001 [ 83.058998][ T5573] x5 : ffff8000222b6e58 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 83.060371][ T5573] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 83.061653][ T5573] Call trace: [ 83.062160][ T5573] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 83.063198][ T5573] __btrfs_end_transaction+0x13c/0x5f0 [ 83.064122][ T5573] btrfs_end_transaction+0x24/0x34 [ 83.064950][ T5573] btrfs_inc_block_group_ro+0x4ec/0x558 [ 83.065884][ T5573] btrfs_relocate_block_group+0x2b8/0x8a4 [ 83.066849][ T5573] btrfs_relocate_chunk+0xb8/0x280 [ 83.067727][ T5573] __btrfs_balance+0x11ac/0x1bfc [ 83.068560][ T5573] btrfs_balance+0xac8/0x113c [ 83.069307][ T5573] btrfs_ioctl_balance+0x4cc/0x658 [ 83.070169][ T5573] btrfs_ioctl+0x20c/0xa8c [ 83.070863][ T5573] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.071717][ T5573] invoke_syscall+0x98/0x2b0 [ 83.072423][ T5573] el0_svc_common+0x138/0x258 [ 83.073148][ T5573] do_el0_svc+0x58/0x13c [ 83.073867][ T5573] el0_svc+0x78/0x1d0 [ 83.074475][ T5573] el0t_64_sync_handler+0xcc/0xe4 [ 83.075278][ T5573] el0t_64_sync+0x1a0/0x1a4 [ 83.076059][ T5573] irq event stamp: 79476 [ 83.076708][ T5573] hardirqs last enabled at (79475): [] __up_console_sem+0xb4/0xfc [ 83.078161][ T5573] hardirqs last disabled at (79476): [] el1_dbg+0x24/0x80 [ 83.079493][ T5573] softirqs last enabled at (79360): [] local_bh_enable+0x10/0x34 [ 83.080995][ T5573] softirqs last disabled at (79358): [] local_bh_disable+0x10/0x34 [ 83.082499][ T5573] ---[ end trace 15100971baff9994 ]--- [ 83.083969][ T5573] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 83.085633][ T5573] BTRFS info (device loop0): forced readonly [ 83.086825][ T5573] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 83.088562][ T5573] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 83.090207][ T5573] BTRFS info (device loop0): balance: ended with status: -30 [ 83.316241][ T5595] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.46 (5595) [ 83.319402][ T5595] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 83.320765][ T5595] BTRFS info (device loop0): using free space tree [ 83.322267][ T5595] BTRFS info (device loop0): has skinny extents [ 83.331154][ T5595] BTRFS info (device loop0): enabling ssd optimizations [ 83.337116][ T5595] BTRFS info (device loop0): balance: start -s [ 83.338498][ T5595] ------------[ cut here ]------------ [ 83.339519][ T5595] WARNING: CPU: 0 PID: 5595 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 83.341337][ T5595] Modules linked in: [ 83.341971][ T5595] CPU: 0 PID: 5595 Comm: syz.0.46 Tainted: G W syzkaller #0 [ 83.343293][ T5595] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 83.344935][ T5595] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 83.346193][ T5595] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 83.347282][ T5595] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 83.348347][ T5595] sp : ffff8000221a7540 [ 83.349019][ T5595] x29: ffff8000221a7710 x28: ffff0000ec84e9b0 x27: 1fffe0001bd25a64 [ 83.350298][ T5595] x26: 1fffe0001d909d0b x25: ffff0000ec84e850 x24: dfff800000000000 [ 83.351669][ T5595] x23: ffff0000de92d318 x22: 1fffe0001d909d0a x21: ffff0000ec84e858 [ 83.353115][ T5595] x20: 00000000ffffffe4 x19: ffff0000d136d9d0 x18: 0000000000000001 [ 83.354399][ T5595] x17: 0000000000000000 x16: ffff800011255484 x15: 00000000ffffffff [ 83.355698][ T5595] x14: 0000000000000001 x13: 1fffe000341f07ab x12: 0000000000ff0100 [ 83.356970][ T5595] x11: 0000000000000000 x10: 0000000000000000 x9 : 79015c2634d95700 [ 83.358235][ T5595] x8 : 79015c2634d95700 x7 : 0000000000000001 x6 : 0000000000000001 [ 83.359544][ T5595] x5 : ffff8000221a6e58 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 83.360827][ T5595] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 83.362192][ T5595] Call trace: [ 83.362707][ T5595] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 83.363814][ T5595] __btrfs_end_transaction+0x13c/0x5f0 [ 83.364708][ T5595] btrfs_end_transaction+0x24/0x34 [ 83.365501][ T5595] btrfs_inc_block_group_ro+0x4ec/0x558 [ 83.366393][ T5595] btrfs_relocate_block_group+0x2b8/0x8a4 [ 83.367325][ T5595] btrfs_relocate_chunk+0xb8/0x280 [ 83.368085][ T5595] __btrfs_balance+0x11ac/0x1bfc [ 83.368911][ T5595] btrfs_balance+0xac8/0x113c [ 83.369763][ T5595] btrfs_ioctl_balance+0x4cc/0x658 [ 83.370704][ T5595] btrfs_ioctl+0x20c/0xa8c [ 83.371470][ T5595] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.372417][ T5595] invoke_syscall+0x98/0x2b0 [ 83.373262][ T5595] el0_svc_common+0x138/0x258 [ 83.374039][ T5595] do_el0_svc+0x58/0x13c [ 83.374727][ T5595] el0_svc+0x78/0x1d0 [ 83.375424][ T5595] el0t_64_sync_handler+0xcc/0xe4 [ 83.376199][ T5595] el0t_64_sync+0x1a0/0x1a4 [ 83.376932][ T5595] irq event stamp: 79500 [ 83.377644][ T5595] hardirqs last enabled at (79499): [] __up_console_sem+0xb4/0xfc [ 83.379230][ T5595] hardirqs last disabled at (79500): [] el1_dbg+0x24/0x80 [ 83.380621][ T5595] softirqs last enabled at (79352): [] local_bh_enable+0x10/0x34 [ 83.382129][ T5595] softirqs last disabled at (79350): [] local_bh_disable+0x10/0x34 [ 83.383553][ T5595] ---[ end trace 15100971baff9995 ]--- [ 83.387103][ T5595] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 83.388646][ T5595] BTRFS info (device loop0): forced readonly [ 83.389661][ T5595] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 83.391888][ T5595] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 83.393555][ T5595] BTRFS info (device loop0): balance: ended with status: -30 [ 83.572614][ T5617] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.47 (5617) [ 83.592335][ T5617] ------------[ cut here ]------------ [ 83.593471][ T5617] WARNING: CPU: 0 PID: 5617 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 83.595216][ T5617] Modules linked in: [ 83.595832][ T5617] CPU: 0 PID: 5617 Comm: syz.0.47 Tainted: G W syzkaller #0 [ 83.597366][ T5617] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 83.599170][ T5617] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 83.600286][ T5617] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 83.601236][ T5617] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 83.602427][ T5617] sp : ffff800022527540 [ 83.603187][ T5617] x29: ffff800022527710 x28: ffff0000c2b769b0 x27: 1fffe0001bd25afe [ 83.604455][ T5617] x26: 1fffe0001856ed0b x25: ffff0000c2b76850 x24: dfff800000000000 [ 83.605809][ T5617] x23: ffff0000de92d7e8 x22: 1fffe0001856ed0a x21: ffff0000c2b76858 [ 83.607178][ T5617] x20: 00000000ffffffe4 x19: ffff0000d54dd9d0 x18: 0000000000000001 [ 83.608452][ T5617] x17: 0000000000000000 x16: ffff800011255484 x15: 00000000ffffffff [ 83.609806][ T5617] x14: 0000000000000001 x13: 1fffe000341f07ab x12: 0000000000ff0100 [ 83.611021][ T5617] x11: 0000000000000000 x10: 0000000000000000 x9 : 10a18abf70e19f00 [ 83.612363][ T5617] x8 : 10a18abf70e19f00 x7 : 0000000000000001 x6 : 0000000000000001 [ 83.613805][ T5617] x5 : ffff800022526e58 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 83.615193][ T5617] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 83.616383][ T5617] Call trace: [ 83.616831][ T5617] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 83.617793][ T5617] __btrfs_end_transaction+0x13c/0x5f0 [ 83.618592][ T5617] btrfs_end_transaction+0x24/0x34 [ 83.619418][ T5617] btrfs_inc_block_group_ro+0x4ec/0x558 [ 83.620205][ T5617] btrfs_relocate_block_group+0x2b8/0x8a4 [ 83.621094][ T5617] btrfs_relocate_chunk+0xb8/0x280 [ 83.621876][ T5617] __btrfs_balance+0x11ac/0x1bfc [ 83.622640][ T5617] btrfs_balance+0xac8/0x113c [ 83.623383][ T5617] btrfs_ioctl_balance+0x4cc/0x658 [ 83.624111][ T5617] btrfs_ioctl+0x20c/0xa8c [ 83.624843][ T5617] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.625587][ T5617] invoke_syscall+0x98/0x2b0 [ 83.626311][ T5617] el0_svc_common+0x138/0x258 [ 83.627062][ T5617] do_el0_svc+0x58/0x13c [ 83.627759][ T5617] el0_svc+0x78/0x1d0 [ 83.628430][ T5617] el0t_64_sync_handler+0xcc/0xe4 [ 83.629314][ T5617] el0t_64_sync+0x1a0/0x1a4 [ 83.630068][ T5617] irq event stamp: 79904 [ 83.630764][ T5617] hardirqs last enabled at (79903): [] __up_console_sem+0xb4/0xfc [ 83.632324][ T5617] hardirqs last disabled at (79904): [] el1_dbg+0x24/0x80 [ 83.633751][ T5617] softirqs last enabled at (79806): [] handle_softirqs+0xa40/0xbe4 [ 83.635397][ T5617] softirqs last disabled at (79797): [] __irq_exit_rcu+0x240/0x43c [ 83.636980][ T5617] ---[ end trace 15100971baff9996 ]--- [ 83.638126][ T5617] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 83.639956][ T5617] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 83.641853][ T5617] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 83.815778][ T5639] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.48 (5639) [ 83.831026][ T5639] ------------[ cut here ]------------ [ 83.832132][ T5639] WARNING: CPU: 0 PID: 5639 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 83.833890][ T5639] Modules linked in: [ 83.834523][ T5639] CPU: 0 PID: 5639 Comm: syz.0.48 Tainted: G W syzkaller #0 [ 83.835810][ T5639] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 83.837331][ T5639] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 83.838701][ T5639] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 83.839760][ T5639] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 83.840831][ T5639] sp : ffff800022af7540 [ 83.841448][ T5639] x29: ffff800022af7710 x28: ffff0000d806f9b0 x27: 1fffe0001bd25b56 [ 83.842868][ T5639] x26: 1fffe0001b00df0b x25: ffff0000d806f850 x24: dfff800000000000 [ 83.844219][ T5639] x23: ffff0000de92daa8 x22: 1fffe0001b00df0a x21: ffff0000d806f858 [ 83.845550][ T5639] x20: 00000000ffffffe4 x19: ffff0000d54dd9d0 x18: 0000000000000001 [ 83.846842][ T5639] x17: 0000000000000000 x16: ffff800011255484 x15: 00000000ffffffff [ 83.848090][ T5639] x14: 0000000000000001 x13: 1fffe000341f07ab x12: 0000000000ff0100 [ 83.849397][ T5639] x11: 0000000000000000 x10: 0000000000000000 x9 : 3e8eed09ed1ee800 [ 83.850709][ T5639] x8 : 3e8eed09ed1ee800 x7 : 0000000000000001 x6 : 0000000000000001 [ 83.851953][ T5639] x5 : ffff800022af6e58 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 83.853280][ T5639] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 83.854625][ T5639] Call trace: [ 83.855147][ T5639] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 83.856122][ T5639] __btrfs_end_transaction+0x13c/0x5f0 [ 83.857054][ T5639] btrfs_end_transaction+0x24/0x34 [ 83.857911][ T5639] btrfs_inc_block_group_ro+0x4ec/0x558 [ 83.858791][ T5639] btrfs_relocate_block_group+0x2b8/0x8a4 [ 83.859696][ T5639] btrfs_relocate_chunk+0xb8/0x280 [ 83.860496][ T5639] __btrfs_balance+0x11ac/0x1bfc [ 83.861276][ T5639] btrfs_balance+0xac8/0x113c [ 83.862041][ T5639] btrfs_ioctl_balance+0x4cc/0x658 [ 83.862834][ T5639] btrfs_ioctl+0x20c/0xa8c [ 83.863537][ T5639] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.864279][ T5639] invoke_syscall+0x98/0x2b0 [ 83.865008][ T5639] el0_svc_common+0x138/0x258 [ 83.865858][ T5639] do_el0_svc+0x58/0x13c [ 83.866609][ T5639] el0_svc+0x78/0x1d0 [ 83.867291][ T5639] el0t_64_sync_handler+0xcc/0xe4 [ 83.868099][ T5639] el0t_64_sync+0x1a0/0x1a4 [ 83.868919][ T5639] irq event stamp: 79124 [ 83.869702][ T5639] hardirqs last enabled at (79123): [] __up_console_sem+0xb4/0xfc [ 83.871349][ T5639] hardirqs last disabled at (79124): [] el1_dbg+0x24/0x80 [ 83.872769][ T5639] softirqs last enabled at (79114): [] handle_softirqs+0xa40/0xbe4 [ 83.874434][ T5639] softirqs last disabled at (79101): [] __irq_exit_rcu+0x240/0x43c [ 83.875998][ T5639] ---[ end trace 15100971baff9997 ]--- [ 83.877338][ T5639] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 83.879246][ T5639] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 83.880936][ T5639] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 84.106697][ T5661] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.49 (5661) [ 84.124710][ T5661] ------------[ cut here ]------------ [ 84.125705][ T5661] WARNING: CPU: 0 PID: 5661 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 84.127511][ T5661] Modules linked in: [ 84.128111][ T5661] CPU: 0 PID: 5661 Comm: syz.0.49 Tainted: G W syzkaller #0 [ 84.129504][ T5661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 84.131055][ T5661] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 84.132271][ T5661] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 84.133260][ T5661] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 84.134403][ T5661] sp : ffff800022af7540 [ 84.135096][ T5661] x29: ffff800022af7710 x28: ffff0000d806e9b0 x27: 1fffe0001bd25ae8 [ 84.136325][ T5661] x26: 1fffe0001b00dd0b x25: ffff0000d806e850 x24: dfff800000000000 [ 84.137616][ T5661] x23: ffff0000de92d738 x22: 1fffe0001b00dd0a x21: ffff0000d806e858 [ 84.138894][ T5661] x20: 00000000ffffffe4 x19: ffff0000d54dd9d0 x18: 0000000000000001 [ 84.140169][ T5661] x17: 0000000000000000 x16: ffff800011255484 x15: 00000000ffffffff [ 84.141554][ T5661] x14: 0000000000000001 x13: 1fffe000341f07ab x12: 0000000000ff0100 [ 84.142947][ T5661] x11: 0000000000000000 x10: 0000000000000000 x9 : c5e0fcd64f510c00 [ 84.144325][ T5661] x8 : c5e0fcd64f510c00 x7 : 0000000000000001 x6 : 0000000000000001 [ 84.145736][ T5661] x5 : ffff800022af6e58 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 84.147103][ T5661] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 84.148408][ T5661] Call trace: [ 84.148930][ T5661] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 84.149943][ T5661] __btrfs_end_transaction+0x13c/0x5f0 [ 84.150801][ T5661] btrfs_end_transaction+0x24/0x34 [ 84.151600][ T5661] btrfs_inc_block_group_ro+0x4ec/0x558 [ 84.152543][ T5661] btrfs_relocate_block_group+0x2b8/0x8a4 [ 84.153485][ T5661] btrfs_relocate_chunk+0xb8/0x280 [ 84.154322][ T5661] __btrfs_balance+0x11ac/0x1bfc [ 84.155121][ T5661] btrfs_balance+0xac8/0x113c [ 84.155832][ T5661] btrfs_ioctl_balance+0x4cc/0x658 [ 84.156468][ T5661] btrfs_ioctl+0x20c/0xa8c [ 84.157150][ T5661] __arm64_sys_ioctl+0x14c/0x1c8 [ 84.157910][ T5661] invoke_syscall+0x98/0x2b0 [ 84.158656][ T5661] el0_svc_common+0x138/0x258 [ 84.159416][ T5661] do_el0_svc+0x58/0x13c [ 84.160101][ T5661] el0_svc+0x78/0x1d0 [ 84.160776][ T5661] el0t_64_sync_handler+0xcc/0xe4 [ 84.161586][ T5661] el0t_64_sync+0x1a0/0x1a4 [ 84.162305][ T5661] irq event stamp: 79230 [ 84.162994][ T5661] hardirqs last enabled at (79229): [] __up_console_sem+0xb4/0xfc [ 84.164496][ T5661] hardirqs last disabled at (79230): [] el1_dbg+0x24/0x80 [ 84.165825][ T5661] softirqs last enabled at (79124): [] local_bh_enable+0x10/0x34 [ 84.167389][ T5661] softirqs last disabled at (79122): [] local_bh_disable+0x10/0x34 [ 84.168902][ T5661] ---[ end trace 15100971baff9998 ]--- [ 84.174940][ T5661] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 84.176526][ T5661] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 84.178152][ T5661] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left 1970/01/01 00:01:24 executed programs: 36 [ 84.310263][ T5683] set_capacity_and_notify: 8 callbacks suppressed [ 84.310273][ T5683] loop0: detected capacity change from 0 to 32768 [ 84.315873][ T5683] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.50 (5683) [ 84.335039][ T5683] ------------[ cut here ]------------ [ 84.336261][ T5683] WARNING: CPU: 0 PID: 5683 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 84.337925][ T5683] Modules linked in: [ 84.338542][ T5683] CPU: 0 PID: 5683 Comm: syz.0.50 Tainted: G W syzkaller #0 [ 84.339885][ T5683] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 84.341361][ T5683] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 84.342771][ T5683] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 84.343902][ T5683] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 84.345136][ T5683] sp : ffff8000230a7540 [ 84.345821][ T5683] x29: ffff8000230a7710 x28: ffff0000ca7259b0 x27: 1fffe0001bd25bae [ 84.347139][ T5683] x26: 1fffe000194e4b0b x25: ffff0000ca725850 x24: dfff800000000000 [ 84.348536][ T5683] x23: ffff0000de92dd68 x22: 1fffe000194e4b0a x21: ffff0000ca725858 [ 84.349901][ T5683] x20: 00000000ffffffe4 x19: ffff0000eea6d9d0 x18: 0000000000000001 [ 84.351237][ T5683] x17: 0000000000000000 x16: ffff800011255484 x15: 00000000ffffffff [ 84.352680][ T5683] x14: 0000000000000001 x13: 1fffe000341f07ab x12: 0000000000ff0100 [ 84.353999][ T5683] x11: 0000000000000000 x10: 0000000000000000 x9 : 9bc268897d9a9a00