Warning: Permanently added '10.128.1.59' (ED25519) to the list of known hosts. 1970/01/01 00:01:04 parsed 1 programs [ 65.932069][ T4523] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 68.763983][ T4539] chnl_net:caif_netlink_parms(): no params data found [ 68.784246][ T4539] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.785592][ T4539] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.787847][ T4539] device bridge_slave_0 entered promiscuous mode [ 68.791826][ T4539] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.793114][ T4539] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.794780][ T4539] device bridge_slave_1 entered promiscuous mode [ 68.803974][ T4539] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.806642][ T4539] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.815752][ T4539] team0: Port device team_slave_0 added [ 68.817860][ T4539] team0: Port device team_slave_1 added [ 68.826192][ T4539] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 68.827961][ T4539] 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. [ 68.831967][ T4539] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 68.835952][ T4539] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 68.837046][ T4539] 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. [ 68.841293][ T4539] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 68.888541][ T4539] device hsr_slave_0 entered promiscuous mode [ 68.928195][ T4539] device hsr_slave_1 entered promiscuous mode [ 69.628137][ T21] cfg80211: failed to load regulatory.db [ 69.647552][ T2063] ieee802154 phy0 wpan0: encryption failed: -22 [ 69.648715][ T2063] ieee802154 phy1 wpan1: encryption failed: -22 [ 69.649758][ T4539] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 69.700345][ T4539] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 69.741406][ T4539] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 69.779764][ T4539] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 69.867042][ T4539] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.880959][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.882569][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.885205][ T4539] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.889622][ T613] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.891204][ T613] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.892681][ T613] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.893833][ T613] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.895648][ T613] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.910646][ T613] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.912529][ T613] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.914036][ T613] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.915199][ T613] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.922362][ T613] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.924053][ T613] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.927742][ T613] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.939536][ T613] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.945556][ T4539] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 69.948073][ T4539] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 69.950785][ T613] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.952406][ T613] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.954441][ T613] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.956047][ T613] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.969102][ T613] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.971380][ T613] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.973004][ T613] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.976975][ T613] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.076175][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.077603][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.088208][ T4539] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.100542][ T613] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 70.102275][ T613] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 70.122772][ T613] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 70.124452][ T613] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 70.126213][ T613] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 70.130947][ T613] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 70.139163][ T4539] device veth0_vlan entered promiscuous mode [ 70.148180][ T4539] device veth1_vlan entered promiscuous mode [ 70.173856][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 70.175492][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 70.176928][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 70.179639][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 70.188629][ T4539] device veth0_macvtap entered promiscuous mode [ 70.193328][ T4539] device veth1_macvtap entered promiscuous mode [ 70.208771][ T4539] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 70.210044][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 70.211637][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 70.213143][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 70.220987][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 70.224128][ T4539] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 70.226518][ T4539] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.228853][ T4539] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.230244][ T4539] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.231634][ T4539] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.238112][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 70.247544][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 70.742851][ T9] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 70.980250][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 70.981571][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 70.982936][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 70.996574][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 70.998759][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 71.000655][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:01:11 executed programs: 0 [ 71.784405][ T4833] chnl_net:caif_netlink_parms(): no params data found [ 71.812930][ T4833] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.814223][ T4833] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.815927][ T4833] device bridge_slave_0 entered promiscuous mode [ 71.819331][ T4833] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.820637][ T4833] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.822327][ T4833] device bridge_slave_1 entered promiscuous mode [ 71.835102][ T4833] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.838448][ T4833] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.848669][ T4833] team0: Port device team_slave_0 added [ 71.850918][ T4833] team0: Port device team_slave_1 added [ 71.859627][ T4833] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 71.860839][ T4833] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 71.865229][ T4833] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 71.868995][ T4833] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 71.869962][ T4833] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 71.873800][ T4833] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 71.929455][ T4833] device hsr_slave_0 entered promiscuous mode [ 71.967457][ T4833] device hsr_slave_1 entered promiscuous mode [ 71.997384][ T4833] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 71.998833][ T4833] Cannot create hsr debugfs directory [ 72.940631][ T9] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 73.787208][ T4071] Bluetooth: hci0: command 0x0409 tx timeout [ 75.560585][ T9] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 75.602323][ T9] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 75.867495][ T4175] Bluetooth: hci0: command 0x041b tx timeout [ 76.595277][ T4833] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 76.625031][ T4833] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 76.658726][ T4833] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 76.700120][ T4833] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 76.769117][ T4833] 8021q: adding VLAN 0 to HW filter on device bond0 [ 76.773431][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 76.775160][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 76.778266][ T4833] 8021q: adding VLAN 0 to HW filter on device team0 [ 76.781106][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 76.782826][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 76.784665][ T1607] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.785820][ T1607] bridge0: port 1(bridge_slave_0) entered forwarding state [ 76.787960][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 76.800340][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 76.802122][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 76.803730][ T1607] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.804850][ T1607] bridge0: port 2(bridge_slave_1) entered forwarding state [ 76.808421][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 76.811063][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 76.814212][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 76.816440][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 76.818709][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 76.821839][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 76.823498][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 76.826421][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 76.830032][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 76.833423][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 76.835049][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 76.842821][ T4833] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 76.887981][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 76.889456][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 76.893081][ T4833] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 76.906240][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 76.909037][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 76.916717][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 76.918992][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 76.920726][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 76.922207][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 76.924784][ T4833] device veth0_vlan entered promiscuous mode [ 76.930062][ T4833] device veth1_vlan entered promiscuous mode [ 76.939297][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 76.941045][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 76.942640][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 76.944245][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 76.946851][ T4833] device veth0_macvtap entered promiscuous mode [ 76.951245][ T4833] device veth1_macvtap entered promiscuous mode [ 76.956703][ T4833] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 76.959052][ T4833] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 76.961363][ T4833] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 76.962771][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 76.964621][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 76.966154][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 76.968653][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 76.971419][ T4833] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 76.973149][ T4833] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 76.975393][ T4833] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 76.976768][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 76.978621][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 76.981669][ T4833] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.983231][ T4833] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.984690][ T4833] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.986177][ T4833] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.019803][ T1607] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 77.022311][ T1607] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 77.024164][ T613] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 77.031487][ T613] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 77.032943][ T613] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 77.034272][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:01:17 executed programs: 2 [ 77.155463][ T4983] loop0: detected capacity change from 0 to 32768 [ 77.189785][ T4983] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.16 (4983) [ 77.245477][ T4983] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 77.247002][ T4983] BTRFS info (device loop0): using free space tree [ 77.249588][ T4983] BTRFS info (device loop0): has skinny extents [ 77.260030][ T4983] BTRFS info (device loop0): enabling ssd optimizations [ 77.279013][ T4983] BTRFS info (device loop0): balance: start -s [ 77.281679][ T4983] ------------[ cut here ]------------ [ 77.282725][ T4983] WARNING: CPU: 1 PID: 4983 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 77.284520][ T4983] Modules linked in: [ 77.285167][ T4983] CPU: 1 PID: 4983 Comm: syz.0.16 Not tainted syzkaller #0 [ 77.286382][ T4983] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 77.288027][ T4983] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 77.289332][ T4983] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 77.290419][ T4983] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 77.291524][ T4983] sp : ffff80001fe17540 [ 77.292255][ T4983] x29: ffff80001fe17710 x28: ffff0000dc3dd1b0 x27: 1fffe0001bd68c0c [ 77.293633][ T4983] x26: 1fffe0001b87ba0b x25: ffff0000dc3dd050 x24: dfff800000000000 [ 77.295035][ T4983] x23: ffff0000deb46058 x22: 1fffe0001b87ba0a x21: ffff0000dc3dd058 [ 77.296411][ T4983] x20: 00000000ffffffe4 x19: ffff0000d5ead9d0 x18: 0000000000000001 [ 77.297808][ T4983] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 77.299127][ T4983] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 77.300546][ T4983] x11: 0000000000000000 x10: 0000000000000000 x9 : 119f60977a18ac00 [ 77.301926][ T4983] x8 : 119f60977a18ac00 x7 : 0000000000000001 x6 : 0000000000000001 [ 77.303337][ T4983] x5 : ffff80001fe16e58 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 77.304602][ T4983] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 77.305978][ T4983] Call trace: [ 77.306499][ T4983] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 77.307656][ T4983] __btrfs_end_transaction+0x13c/0x5f0 [ 77.308577][ T4983] btrfs_end_transaction+0x24/0x34 [ 77.309425][ T4983] btrfs_inc_block_group_ro+0x4ec/0x558 [ 77.310364][ T4983] btrfs_relocate_block_group+0x2b8/0x8a4 [ 77.311300][ T4983] btrfs_relocate_chunk+0xb8/0x280 [ 77.312225][ T4983] __btrfs_balance+0x112c/0x1b9c [ 77.313116][ T4983] btrfs_balance+0xac8/0x113c [ 77.313928][ T4983] btrfs_ioctl_balance+0x4cc/0x658 [ 77.314789][ T4983] btrfs_ioctl+0x20c/0xa8c [ 77.315516][ T4983] __arm64_sys_ioctl+0x14c/0x1c8 [ 77.316385][ T4983] invoke_syscall+0x98/0x2b0 [ 77.317180][ T4983] el0_svc_common+0x138/0x258 [ 77.317951][ T4983] do_el0_svc+0x58/0x13c [ 77.318659][ T4983] el0_svc+0x78/0x1d0 [ 77.319350][ T4983] el0t_64_sync_handler+0xcc/0xe4 [ 77.320193][ T4983] el0t_64_sync+0x1a0/0x1a4 [ 77.320971][ T4983] irq event stamp: 82848 [ 77.321678][ T4983] hardirqs last enabled at (82847): [] __up_console_sem+0xb4/0xfc [ 77.323303][ T4983] hardirqs last disabled at (82848): [] el1_dbg+0x24/0x80 [ 77.324735][ T4983] softirqs last enabled at (82536): [] local_bh_enable+0x10/0x34 [ 77.326308][ T4983] softirqs last disabled at (82534): [] local_bh_disable+0x10/0x34 [ 77.327970][ T4983] ---[ end trace 344ebf1a1b034494 ]--- [ 77.330850][ T4983] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 77.332616][ T4983] BTRFS info (device loop0): forced readonly [ 77.334051][ T4983] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 77.335776][ T4983] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 77.338729][ T4983] BTRFS info (device loop0): balance: ended with status: -30 [ 77.499384][ T5005] loop0: detected capacity change from 0 to 32768 [ 77.502336][ T5005] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.17 (5005) [ 77.508239][ T5005] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 77.509751][ T5005] BTRFS info (device loop0): using free space tree [ 77.510859][ T5005] BTRFS info (device loop0): has skinny extents [ 77.523363][ T5005] BTRFS info (device loop0): enabling ssd optimizations [ 77.531242][ T5005] BTRFS info (device loop0): balance: start -s [ 77.533018][ T5005] ------------[ cut here ]------------ [ 77.534184][ T5005] WARNING: CPU: 0 PID: 5005 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 77.536059][ T5005] Modules linked in: [ 77.536750][ T5005] CPU: 0 PID: 5005 Comm: syz.0.17 Tainted: G W syzkaller #0 [ 77.538234][ T5005] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 77.539963][ T5005] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 77.541388][ T5005] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 77.542567][ T5005] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 77.543710][ T5005] sp : ffff80001fe17540 [ 77.544465][ T5005] x29: ffff80001fe17710 x28: ffff0000cb34c1b0 x27: 1fffe0001bd59e38 [ 77.545870][ T5005] x26: 1fffe0001966980b x25: ffff0000cb34c050 x24: dfff800000000000 [ 77.547267][ T5005] x23: ffff0000deacf1b8 x22: 1fffe0001966980a x21: ffff0000cb34c058 [ 77.548633][ T5005] x20: 00000000ffffffe4 x19: ffff0000d9fc59d0 x18: 0000000000000001 [ 77.550052][ T5005] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 77.551500][ T5005] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 77.552885][ T5005] x11: 0000000000000000 x10: 0000000000000000 x9 : f0696d2bfc7c1600 [ 77.554173][ T5005] x8 : f0696d2bfc7c1600 x7 : 0000000000000001 x6 : 0000000000000001 [ 77.555483][ T5005] x5 : ffff80001fe16e58 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 77.556870][ T5005] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 77.558186][ T5005] Call trace: [ 77.558697][ T5005] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 77.559798][ T5005] __btrfs_end_transaction+0x13c/0x5f0 [ 77.560740][ T5005] btrfs_end_transaction+0x24/0x34 [ 77.561605][ T5005] btrfs_inc_block_group_ro+0x4ec/0x558 [ 77.562527][ T5005] btrfs_relocate_block_group+0x2b8/0x8a4 [ 77.563508][ T5005] btrfs_relocate_chunk+0xb8/0x280 [ 77.564362][ T5005] __btrfs_balance+0x112c/0x1b9c [ 77.565228][ T5005] btrfs_balance+0xac8/0x113c [ 77.566000][ T5005] btrfs_ioctl_balance+0x4cc/0x658 [ 77.566815][ T5005] btrfs_ioctl+0x20c/0xa8c [ 77.567519][ T5005] __arm64_sys_ioctl+0x14c/0x1c8 [ 77.568324][ T5005] invoke_syscall+0x98/0x2b0 [ 77.569107][ T5005] el0_svc_common+0x138/0x258 [ 77.569841][ T5005] do_el0_svc+0x58/0x13c [ 77.570526][ T5005] el0_svc+0x78/0x1d0 [ 77.571138][ T5005] el0t_64_sync_handler+0xcc/0xe4 [ 77.571903][ T5005] el0t_64_sync+0x1a0/0x1a4 [ 77.572611][ T5005] irq event stamp: 80552 [ 77.573253][ T5005] hardirqs last enabled at (80551): [] __up_console_sem+0xb4/0xfc [ 77.574733][ T5005] hardirqs last disabled at (80552): [] el1_dbg+0x24/0x80 [ 77.576053][ T5005] softirqs last enabled at (80362): [] local_bh_enable+0x10/0x34 [ 77.577538][ T5005] softirqs last disabled at (80360): [] local_bh_disable+0x10/0x34 [ 77.579097][ T5005] ---[ end trace 344ebf1a1b034495 ]--- [ 77.582982][ T5005] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 77.584713][ T5005] BTRFS info (device loop0): forced readonly [ 77.585772][ T5005] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 77.588363][ T5005] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 77.590184][ T5005] BTRFS info (device loop0): balance: ended with status: -30 [ 77.648150][ T9] device hsr_slave_0 left promiscuous mode [ 77.678194][ T9] device hsr_slave_1 left promiscuous mode [ 77.741753][ T5027] loop0: detected capacity change from 0 to 32768 [ 77.749292][ T5027] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.18 (5027) [ 77.755319][ T5027] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 77.756795][ T5027] BTRFS info (device loop0): using free space tree [ 77.758971][ T5027] BTRFS info (device loop0): has skinny extents [ 77.771653][ T5027] BTRFS info (device loop0): enabling ssd optimizations [ 77.777262][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 77.778581][ T9] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 77.780441][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 77.781762][ T9] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 77.786137][ T9] device bridge_slave_1 left promiscuous mode [ 77.789246][ T5027] BTRFS info (device loop0): balance: start -s [ 77.790656][ T5027] ------------[ cut here ]------------ [ 77.791672][ T5027] WARNING: CPU: 0 PID: 5027 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 77.793571][ T5027] Modules linked in: [ 77.794165][ T5027] CPU: 0 PID: 5027 Comm: syz.0.18 Tainted: G W syzkaller #0 [ 77.795624][ T5027] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 77.797341][ T5027] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 77.798706][ T5027] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 77.799846][ T5027] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 77.801022][ T5027] sp : ffff800020217540 [ 77.801709][ T5027] x29: ffff800020217710 x28: ffff0000cb5171b0 x27: 1fffe0001bd59e64 [ 77.803077][ T5027] x26: 1fffe000196a2e0b x25: ffff0000cb517050 x24: dfff800000000000 [ 77.804414][ T5027] x23: ffff0000deacf318 x22: 1fffe000196a2e0a x21: ffff0000cb517058 [ 77.805815][ T5027] x20: 00000000ffffffe4 x19: ffff0000dc0459d0 x18: 0000000000000001 [ 77.807124][ T5027] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 77.808554][ T5027] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 77.809932][ T5027] x11: 0000000000000000 x10: 0000000000000000 x9 : 1ae4690df9882b00 [ 77.811341][ T5027] x8 : 1ae4690df9882b00 x7 : 0000000000000001 x6 : 0000000000000001 [ 77.812666][ T5027] x5 : ffff800020216e58 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 77.814018][ T5027] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 77.815304][ T5027] Call trace: [ 77.815861][ T5027] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 77.816184][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.817030][ T5027] __btrfs_end_transaction+0x13c/0x5f0 [ 77.819159][ T5027] btrfs_end_transaction+0x24/0x34 [ 77.820082][ T5027] btrfs_inc_block_group_ro+0x4ec/0x558 [ 77.820993][ T5027] btrfs_relocate_block_group+0x2b8/0x8a4 [ 77.822020][ T5027] btrfs_relocate_chunk+0xb8/0x280 [ 77.822884][ T5027] __btrfs_balance+0x112c/0x1b9c [ 77.823740][ T5027] btrfs_balance+0xac8/0x113c [ 77.824535][ T5027] btrfs_ioctl_balance+0x4cc/0x658 [ 77.825487][ T5027] btrfs_ioctl+0x20c/0xa8c [ 77.826228][ T5027] __arm64_sys_ioctl+0x14c/0x1c8 [ 77.827124][ T5027] invoke_syscall+0x98/0x2b0 [ 77.827904][ T5027] el0_svc_common+0x138/0x258 [ 77.828728][ T5027] do_el0_svc+0x58/0x13c [ 77.829469][ T5027] el0_svc+0x78/0x1d0 [ 77.830140][ T5027] el0t_64_sync_handler+0xcc/0xe4 [ 77.830978][ T5027] el0t_64_sync+0x1a0/0x1a4 [ 77.831781][ T5027] irq event stamp: 81994 [ 77.832513][ T5027] hardirqs last enabled at (81993): [] __up_console_sem+0xb4/0xfc [ 77.834232][ T5027] hardirqs last disabled at (81994): [] el1_dbg+0x24/0x80 [ 77.835645][ T5027] softirqs last enabled at (81836): [] local_bh_enable+0x10/0x34 [ 77.837322][ T5027] softirqs last disabled at (81834): [] local_bh_disable+0x10/0x34 [ 77.838989][ T5027] ---[ end trace 344ebf1a1b034496 ]--- [ 77.840954][ T5027] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 77.842619][ T5027] BTRFS info (device loop0): forced readonly [ 77.843638][ T5027] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 77.845477][ T5027] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 77.848354][ T5027] BTRFS info (device loop0): balance: ended with status: -30 [ 77.849939][ T9] device bridge_slave_0 left promiscuous mode [ 77.851026][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.958729][ T21] Bluetooth: hci0: command 0x040f tx timeout [ 77.967626][ T9] device veth1_macvtap left promiscuous mode [ 77.968655][ T9] device veth0_macvtap left promiscuous mode [ 77.969748][ T9] device veth1_vlan left promiscuous mode [ 77.970771][ T9] device veth0_vlan left promiscuous mode [ 78.051030][ T5055] loop0: detected capacity change from 0 to 32768 [ 78.095011][ T5055] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.19 (5055) [ 78.101368][ T9] team0 (unregistering): Port device team_slave_1 removed [ 78.102617][ T5055] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 78.104014][ T5055] BTRFS info (device loop0): using free space tree [ 78.105087][ T5055] BTRFS info (device loop0): has skinny extents [ 78.113673][ T9] team0 (unregistering): Port device team_slave_0 removed [ 78.119684][ T9] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 78.131455][ T5055] BTRFS info (device loop0): enabling ssd optimizations [ 78.136938][ T5055] BTRFS info (device loop0): balance: start -s [ 78.138607][ T5055] ------------[ cut here ]------------ [ 78.139627][ T5055] WARNING: CPU: 0 PID: 5055 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 78.141522][ T5055] Modules linked in: [ 78.142170][ T5055] CPU: 0 PID: 5055 Comm: syz.0.19 Tainted: G W syzkaller #0 [ 78.143672][ T5055] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 78.145392][ T5055] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 78.146673][ T5055] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 78.147857][ T5055] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 78.148935][ T5055] sp : ffff8000200e7540 [ 78.149629][ T5055] x29: ffff8000200e7710 x28: ffff0000d84a09b0 x27: 1fffe0001bd59e90 [ 78.150958][ T5055] x26: 1fffe0001b09410b x25: ffff0000d84a0850 x24: dfff800000000000 [ 78.152303][ T5055] x23: ffff0000deacf478 x22: 1fffe0001b09410a x21: ffff0000d84a0858 [ 78.153648][ T5055] x20: 00000000ffffffe4 x19: ffff0000c9d399d0 x18: 0000000000000001 [ 78.155061][ T5055] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 78.156373][ T5055] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 78.157616][ T5055] x11: 0000000000000000 x10: 0000000000000000 x9 : eab672c400d74f00 [ 78.158996][ T5055] x8 : eab672c400d74f00 x7 : 0000000000000001 x6 : 0000000000000001 [ 78.160373][ T5055] x5 : ffff8000200e6e58 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 78.161813][ T5055] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 78.163064][ T5055] Call trace: [ 78.163601][ T5055] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 78.164755][ T5055] __btrfs_end_transaction+0x13c/0x5f0 [ 78.165619][ T5055] btrfs_end_transaction+0x24/0x34 [ 78.166483][ T5055] btrfs_inc_block_group_ro+0x4ec/0x558 [ 78.167441][ T5055] btrfs_relocate_block_group+0x2b8/0x8a4 [ 78.168392][ T5055] btrfs_relocate_chunk+0xb8/0x280 [ 78.169271][ T5055] __btrfs_balance+0x112c/0x1b9c [ 78.170093][ T5055] btrfs_balance+0xac8/0x113c [ 78.170879][ T5055] btrfs_ioctl_balance+0x4cc/0x658 [ 78.171733][ T5055] btrfs_ioctl+0x20c/0xa8c [ 78.172488][ T5055] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.173287][ T5055] invoke_syscall+0x98/0x2b0 [ 78.174088][ T5055] el0_svc_common+0x138/0x258 [ 78.174918][ T5055] do_el0_svc+0x58/0x13c [ 78.175607][ T5055] el0_svc+0x78/0x1d0 [ 78.176282][ T5055] el0t_64_sync_handler+0xcc/0xe4 [ 78.177102][ T5055] el0t_64_sync+0x1a0/0x1a4 [ 78.177837][ T5055] irq event stamp: 80988 [ 78.178528][ T5055] hardirqs last enabled at (80987): [] __up_console_sem+0xb4/0xfc [ 78.180124][ T5055] hardirqs last disabled at (80988): [] el1_dbg+0x24/0x80 [ 78.181557][ T5055] softirqs last enabled at (80832): [] handle_softirqs+0xa40/0xbe4 [ 78.183127][ T5055] softirqs last disabled at (80813): [] __irq_exit_rcu+0x240/0x43c [ 78.184717][ T5055] ---[ end trace 344ebf1a1b034497 ]--- [ 78.189992][ T5055] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 78.191908][ T5055] BTRFS info (device loop0): forced readonly [ 78.192007][ T9] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 78.193042][ T5055] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 78.196015][ T5055] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 78.199092][ T5055] BTRFS info (device loop0): balance: ended with status: -30 [ 78.322096][ T9] bond0 (unregistering): Released all slaves [ 78.391559][ T5076] loop0: detected capacity change from 0 to 32768 [ 78.438789][ T5076] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.20 (5076) [ 78.470239][ T5076] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 78.471842][ T5076] BTRFS info (device loop0): using free space tree [ 78.472981][ T5076] BTRFS info (device loop0): has skinny extents [ 78.484138][ T5076] BTRFS info (device loop0): enabling ssd optimizations [ 78.491981][ T5076] BTRFS info (device loop0): balance: start -s [ 78.493779][ T5076] ------------[ cut here ]------------ [ 78.494812][ T5076] WARNING: CPU: 0 PID: 5076 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 78.496752][ T5076] Modules linked in: [ 78.497426][ T5076] CPU: 0 PID: 5076 Comm: syz.0.20 Tainted: G W syzkaller #0 [ 78.498897][ T5076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 78.500666][ T5076] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 78.502027][ T5076] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 78.503193][ T5076] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 78.504389][ T5076] sp : ffff8000200e7540 [ 78.505057][ T5076] x29: ffff8000200e7710 x28: ffff0000d96cf9b0 x27: 1fffe0001bd59ebc [ 78.506448][ T5076] x26: 1fffe0001b2d9f0b x25: ffff0000d96cf850 x24: dfff800000000000 [ 78.507863][ T5076] x23: ffff0000deacf5d8 x22: 1fffe0001b2d9f0a x21: ffff0000d96cf858 [ 78.509263][ T5076] x20: 00000000ffffffe4 x19: ffff0000d16099d0 x18: 0000000000000001 [ 78.510679][ T5076] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 78.512036][ T5076] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 78.513445][ T5076] x11: 0000000000000000 x10: 0000000000000000 x9 : 91002ee8dd1f8600 [ 78.514790][ T5076] x8 : 91002ee8dd1f8600 x7 : 0000000000000001 x6 : 0000000000000001 [ 78.516184][ T5076] x5 : ffff8000200e6e58 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 78.517604][ T5076] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 78.519040][ T5076] Call trace: [ 78.519591][ T5076] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 78.520642][ T5076] __btrfs_end_transaction+0x13c/0x5f0 [ 78.521588][ T5076] btrfs_end_transaction+0x24/0x34 [ 78.522471][ T5076] btrfs_inc_block_group_ro+0x4ec/0x558 [ 78.523368][ T5076] btrfs_relocate_block_group+0x2b8/0x8a4 [ 78.524371][ T5076] btrfs_relocate_chunk+0xb8/0x280 [ 78.525318][ T5076] __btrfs_balance+0x112c/0x1b9c [ 78.526188][ T5076] btrfs_balance+0xac8/0x113c [ 78.527007][ T5076] btrfs_ioctl_balance+0x4cc/0x658 [ 78.527838][ T5076] btrfs_ioctl+0x20c/0xa8c [ 78.528614][ T5076] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.529437][ T5076] invoke_syscall+0x98/0x2b0 [ 78.530243][ T5076] el0_svc_common+0x138/0x258 [ 78.531061][ T5076] do_el0_svc+0x58/0x13c [ 78.531717][ T5076] el0_svc+0x78/0x1d0 [ 78.532377][ T5076] el0t_64_sync_handler+0xcc/0xe4 [ 78.533268][ T5076] el0t_64_sync+0x1a0/0x1a4 [ 78.534052][ T5076] irq event stamp: 80754 [ 78.534773][ T5076] hardirqs last enabled at (80753): [] __up_console_sem+0xb4/0xfc [ 78.536409][ T5076] hardirqs last disabled at (80754): [] el1_dbg+0x24/0x80 [ 78.537932][ T5076] softirqs last enabled at (80586): [] local_bh_enable+0x10/0x34 [ 78.539550][ T5076] softirqs last disabled at (80584): [] local_bh_disable+0x10/0x34 [ 78.541192][ T5076] ---[ end trace 344ebf1a1b034498 ]--- [ 78.546336][ T5076] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 78.549002][ T5076] BTRFS info (device loop0): forced readonly [ 78.550200][ T5076] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 78.551974][ T5076] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 78.553847][ T5076] BTRFS info (device loop0): balance: ended with status: -30 [ 78.704837][ T5098] loop0: detected capacity change from 0 to 32768 [ 78.742938][ T5098] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.21 (5098) [ 78.754885][ T5098] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 78.756267][ T5098] BTRFS info (device loop0): using free space tree [ 78.757683][ T5098] BTRFS info (device loop0): has skinny extents [ 78.766349][ T5098] BTRFS info (device loop0): enabling ssd optimizations [ 78.773812][ T5098] BTRFS info (device loop0): balance: start -s [ 78.775382][ T5098] ------------[ cut here ]------------ [ 78.776465][ T5098] WARNING: CPU: 1 PID: 5098 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 78.778356][ T5098] Modules linked in: [ 78.779060][ T5098] CPU: 1 PID: 5098 Comm: syz.0.21 Tainted: G W syzkaller #0 [ 78.780476][ T5098] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 78.782080][ T5098] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 78.783463][ T5098] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 78.784565][ T5098] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 78.785665][ T5098] sp : ffff800020587540 [ 78.786359][ T5098] x29: ffff800020587710 x28: ffff0000ebe589b0 x27: 1fffe0001bd68c38 [ 78.787719][ T5098] x26: 1fffe0001d7cb10b x25: ffff0000ebe58850 x24: dfff800000000000 [ 78.789023][ T5098] x23: ffff0000deb461b8 x22: 1fffe0001d7cb10a x21: ffff0000ebe58858 [ 78.790478][ T5098] x20: 00000000ffffffe4 x19: ffff0000d2c4d9d0 x18: 0000000000000001 [ 78.791869][ T5098] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 78.793239][ T5098] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 78.794710][ T5098] x11: 0000000000000000 x10: 0000000000000000 x9 : a5772c8be9419a00 [ 78.796117][ T5098] x8 : a5772c8be9419a00 x7 : 0000000000000001 x6 : 0000000000000001 [ 78.797596][ T5098] x5 : ffff800020586e58 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 78.799026][ T5098] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 78.800377][ T5098] Call trace: [ 78.800978][ T5098] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 78.802035][ T5098] __btrfs_end_transaction+0x13c/0x5f0 [ 78.802961][ T5098] btrfs_end_transaction+0x24/0x34 [ 78.803824][ T5098] btrfs_inc_block_group_ro+0x4ec/0x558 [ 78.804772][ T5098] btrfs_relocate_block_group+0x2b8/0x8a4 [ 78.805794][ T5098] btrfs_relocate_chunk+0xb8/0x280 [ 78.806688][ T5098] __btrfs_balance+0x112c/0x1b9c [ 78.807524][ T5098] btrfs_balance+0xac8/0x113c [ 78.808356][ T5098] btrfs_ioctl_balance+0x4cc/0x658 [ 78.809224][ T5098] btrfs_ioctl+0x20c/0xa8c [ 78.810009][ T5098] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.810858][ T5098] invoke_syscall+0x98/0x2b0 [ 78.811617][ T5098] el0_svc_common+0x138/0x258 [ 78.812411][ T5098] do_el0_svc+0x58/0x13c [ 78.813111][ T5098] el0_svc+0x78/0x1d0 [ 78.813788][ T5098] el0t_64_sync_handler+0xcc/0xe4 [ 78.814578][ T5098] el0t_64_sync+0x1a0/0x1a4 [ 78.815376][ T5098] irq event stamp: 80724 [ 78.816095][ T5098] hardirqs last enabled at (80723): [] __up_console_sem+0xb4/0xfc [ 78.817866][ T5098] hardirqs last disabled at (80724): [] el1_dbg+0x24/0x80 [ 78.819412][ T5098] softirqs last enabled at (80548): [] local_bh_enable+0x10/0x34 [ 78.821108][ T5098] softirqs last disabled at (80546): [] local_bh_disable+0x10/0x34 [ 78.822757][ T5098] ---[ end trace 344ebf1a1b034499 ]--- [ 78.826429][ T5098] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 78.828571][ T5098] BTRFS info (device loop0): forced readonly [ 78.829630][ T5098] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 78.831393][ T5098] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 78.833269][ T5098] BTRFS info (device loop0): balance: ended with status: -30 [ 79.005775][ T5119] loop0: detected capacity change from 0 to 32768 [ 79.061047][ T5119] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.22 (5119) [ 79.065314][ T5119] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 79.066783][ T5119] BTRFS info (device loop0): using free space tree [ 79.068737][ T5119] BTRFS info (device loop0): has skinny extents [ 79.077682][ T5119] BTRFS info (device loop0): enabling ssd optimizations [ 79.084234][ T5119] BTRFS info (device loop0): balance: start -s [ 79.085691][ T5119] ------------[ cut here ]------------ [ 79.086654][ T5119] WARNING: CPU: 1 PID: 5119 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 79.088608][ T5119] Modules linked in: [ 79.089207][ T5119] CPU: 1 PID: 5119 Comm: syz.0.22 Tainted: G W syzkaller #0 [ 79.090761][ T5119] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.092604][ T5119] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.093941][ T5119] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 79.095043][ T5119] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 79.096253][ T5119] sp : ffff8000206d7540 [ 79.097014][ T5119] x29: ffff8000206d7710 x28: ffff0000c19c81b0 x27: 1fffe0001bd68c64 [ 79.098459][ T5119] x26: 1fffe0001833900b x25: ffff0000c19c8050 x24: dfff800000000000 [ 79.099834][ T5119] x23: ffff0000deb46318 x22: 1fffe0001833900a x21: ffff0000c19c8058 [ 79.101288][ T5119] x20: 00000000ffffffe4 x19: ffff0000c7dcd9d0 x18: 0000000000000001 [ 79.102620][ T5119] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 79.103937][ T5119] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 79.105235][ T5119] x11: 0000000000000000 x10: 0000000000000000 x9 : 2bd8a6a4eb5ecf00 [ 79.106587][ T5119] x8 : 2bd8a6a4eb5ecf00 x7 : 0000000000000001 x6 : 0000000000000001 [ 79.107870][ T5119] x5 : ffff8000206d6e58 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 79.109226][ T5119] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 79.110670][ T5119] Call trace: [ 79.111210][ T5119] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 79.112259][ T5119] __btrfs_end_transaction+0x13c/0x5f0 [ 79.113164][ T5119] btrfs_end_transaction+0x24/0x34 [ 79.114022][ T5119] btrfs_inc_block_group_ro+0x4ec/0x558 [ 79.114991][ T5119] btrfs_relocate_block_group+0x2b8/0x8a4 [ 79.115949][ T5119] btrfs_relocate_chunk+0xb8/0x280 [ 79.116821][ T5119] __btrfs_balance+0x112c/0x1b9c [ 79.117604][ T5119] btrfs_balance+0xac8/0x113c [ 79.118348][ T5119] btrfs_ioctl_balance+0x4cc/0x658 [ 79.119142][ T5119] btrfs_ioctl+0x20c/0xa8c [ 79.119869][ T5119] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.120663][ T5119] invoke_syscall+0x98/0x2b0 [ 79.121413][ T5119] el0_svc_common+0x138/0x258 [ 79.122248][ T5119] do_el0_svc+0x58/0x13c [ 79.122936][ T5119] el0_svc+0x78/0x1d0 [ 79.123555][ T5119] el0t_64_sync_handler+0xcc/0xe4 [ 79.124400][ T5119] el0t_64_sync+0x1a0/0x1a4 [ 79.125196][ T5119] irq event stamp: 81652 [ 79.125878][ T5119] hardirqs last enabled at (81651): [] __up_console_sem+0xb4/0xfc [ 79.127505][ T5119] hardirqs last disabled at (81652): [] el1_dbg+0x24/0x80 [ 79.129015][ T5119] softirqs last enabled at (81474): [] local_bh_enable+0x10/0x34 [ 79.130609][ T5119] softirqs last disabled at (81472): [] local_bh_disable+0x10/0x34 [ 79.132175][ T5119] ---[ end trace 344ebf1a1b03449a ]--- [ 79.135957][ T5119] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 79.138115][ T5119] BTRFS info (device loop0): forced readonly [ 79.139190][ T5119] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 79.141123][ T5119] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 79.142878][ T5119] BTRFS info (device loop0): balance: ended with status: -30 [ 79.305807][ T5141] loop0: detected capacity change from 0 to 32768 [ 79.394123][ T5141] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.23 (5141) [ 79.399899][ T5141] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 79.401375][ T5141] BTRFS info (device loop0): using free space tree [ 79.402514][ T5141] BTRFS info (device loop0): has skinny extents [ 79.410441][ T5141] BTRFS info (device loop0): enabling ssd optimizations [ 79.415466][ T5141] BTRFS info (device loop0): balance: start -s [ 79.416827][ T5141] ------------[ cut here ]------------ [ 79.418648][ T5141] WARNING: CPU: 0 PID: 5141 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 79.420432][ T5141] Modules linked in: [ 79.421029][ T5141] CPU: 0 PID: 5141 Comm: syz.0.23 Tainted: G W syzkaller #0 [ 79.422378][ T5141] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.424034][ T5141] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.425389][ T5141] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 79.426404][ T5141] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 79.427455][ T5141] sp : ffff800020367540 [ 79.428156][ T5141] x29: ffff800020367710 x28: ffff0000c85f81b0 x27: 1fffe0001bd59ee8 [ 79.429391][ T5141] x26: 1fffe000190bf00b x25: ffff0000c85f8050 x24: dfff800000000000 [ 79.430702][ T5141] x23: ffff0000deacf738 x22: 1fffe000190bf00a x21: ffff0000c85f8058 [ 79.432758][ T5141] x20: 00000000ffffffe4 x19: ffff0000edf819d0 x18: 0000000000000001 [ 79.434160][ T5141] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 79.435542][ T5141] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 79.436878][ T5141] x11: 0000000000000000 x10: 0000000000000000 x9 : e70f4fe1e7c52700 [ 79.438191][ T5141] x8 : e70f4fe1e7c52700 x7 : 0000000000000001 x6 : 0000000000000001 [ 79.439551][ T5141] x5 : ffff800020366e58 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 79.440960][ T5141] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 79.442287][ T5141] Call trace: [ 79.442815][ T5141] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 79.443908][ T5141] __btrfs_end_transaction+0x13c/0x5f0 [ 79.444811][ T5141] btrfs_end_transaction+0x24/0x34 [ 79.445675][ T5141] btrfs_inc_block_group_ro+0x4ec/0x558 [ 79.446557][ T5141] btrfs_relocate_block_group+0x2b8/0x8a4 [ 79.447462][ T5141] btrfs_relocate_chunk+0xb8/0x280 [ 79.448314][ T5141] __btrfs_balance+0x112c/0x1b9c [ 79.449113][ T5141] btrfs_balance+0xac8/0x113c [ 79.449881][ T5141] btrfs_ioctl_balance+0x4cc/0x658 [ 79.450756][ T5141] btrfs_ioctl+0x20c/0xa8c [ 79.451479][ T5141] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.452306][ T5141] invoke_syscall+0x98/0x2b0 [ 79.453089][ T5141] el0_svc_common+0x138/0x258 [ 79.453934][ T5141] do_el0_svc+0x58/0x13c [ 79.454651][ T5141] el0_svc+0x78/0x1d0 [ 79.455385][ T5141] el0t_64_sync_handler+0xcc/0xe4 [ 79.456249][ T5141] el0t_64_sync+0x1a0/0x1a4 [ 79.457113][ T5141] irq event stamp: 81530 [ 79.457847][ T5141] hardirqs last enabled at (81529): [] __up_console_sem+0xb4/0xfc [ 79.459468][ T5141] hardirqs last disabled at (81530): [] el1_dbg+0x24/0x80 [ 79.461090][ T5141] softirqs last enabled at (81518): [] handle_softirqs+0xa40/0xbe4 [ 79.462699][ T5141] softirqs last disabled at (81423): [] __irq_exit_rcu+0x240/0x43c [ 79.464340][ T5141] ---[ end trace 344ebf1a1b03449b ]--- [ 79.465568][ T5141] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 79.471701][ T5141] BTRFS info (device loop0): forced readonly [ 79.472726][ T5141] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 79.474655][ T5141] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 79.476593][ T5141] BTRFS info (device loop0): balance: ended with status: -30 [ 79.626231][ T5164] loop0: detected capacity change from 0 to 32768 [ 79.678428][ T5164] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.24 (5164) [ 79.718941][ T5164] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 79.720466][ T5164] BTRFS info (device loop0): using free space tree [ 79.721572][ T5164] BTRFS info (device loop0): has skinny extents [ 79.855364][ T5164] BTRFS info (device loop0): enabling ssd optimizations [ 79.865222][ T5164] BTRFS info (device loop0): balance: start -s [ 79.866634][ T5164] ------------[ cut here ]------------ [ 79.867849][ T5164] WARNING: CPU: 1 PID: 5164 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 79.869767][ T5164] Modules linked in: [ 79.870336][ T5164] CPU: 1 PID: 5164 Comm: syz.0.24 Tainted: G W syzkaller #0 [ 79.871734][ T5164] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.873440][ T5164] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.874631][ T5164] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 79.875687][ T5164] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 79.876808][ T5164] sp : ffff800020b07540 [ 79.877486][ T5164] x29: ffff800020b07710 x28: ffff0000d12641b0 x27: 1fffe0001bd68c90 [ 79.878840][ T5164] x26: 1fffe0001a24c80b x25: ffff0000d1264050 x24: dfff800000000000 [ 79.880251][ T5164] x23: ffff0000deb46478 x22: 1fffe0001a24c80a x21: ffff0000d1264058 [ 79.881635][ T5164] x20: 00000000ffffffe4 x19: ffff0000edf819d0 x18: 0000000000000001 [ 79.883080][ T5164] x17: 0000000000000000 x16: ffff800008304c04 x15: 00000000ffffffff [ 79.884407][ T5164] x14: 0000000000000001 x13: 1ffff00004160dc8 x12: 0000000000ff0100 [ 79.885817][ T5164] x11: 0000000000000000 x10: 0000000000000000 x9 : ec5741b04d2b3400 [ 79.887136][ T5164] x8 : ec5741b04d2b3400 x7 : 0000000000000001 x6 : 0000000000000001 [ 79.888498][ T5164] x5 : ffff800020b06e58 x4 : ffff80001437f3e0 x3 : ffff800008304d14 [ 79.889889][ T5164] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 79.891277][ T5164] Call trace: [ 79.891880][ T5164] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 79.893065][ T5164] __btrfs_end_transaction+0x13c/0x5f0 [ 79.893991][ T5164] btrfs_end_transaction+0x24/0x34 [ 79.894866][ T5164] btrfs_inc_block_group_ro+0x4ec/0x558 [ 79.895743][ T5164] btrfs_relocate_block_group+0x2b8/0x8a4 [ 79.896750][ T5164] btrfs_relocate_chunk+0xb8/0x280 [ 79.897634][ T5164] __btrfs_balance+0x112c/0x1b9c [ 79.898524][ T5164] btrfs_balance+0xac8/0x113c [ 79.899311][ T5164] btrfs_ioctl_balance+0x4cc/0x658 [ 79.900172][ T5164] btrfs_ioctl+0x20c/0xa8c [ 79.901060][ T5164] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.901896][ T5164] invoke_syscall+0x98/0x2b0 [ 79.902693][ T5164] el0_svc_common+0x138/0x258 [ 79.903490][ T5164] do_el0_svc+0x58/0x13c [ 79.904303][ T5164] el0_svc+0x78/0x1d0 [ 79.904946][ T5164] el0t_64_sync_handler+0xcc/0xe4 [ 79.905798][ T5164] el0t_64_sync+0x1a0/0x1a4 [ 79.906563][ T5164] irq event stamp: 81794 [ 79.907275][ T5164] hardirqs last enabled at (81793): [] __up_console_sem+0xb4/0xfc [ 79.908868][ T5164] hardirqs last disabled at (81794): [] el1_dbg+0x24/0x80 [ 79.910325][ T5164] softirqs last enabled at (81782): [] handle_softirqs+0xa40/0xbe4 [ 79.911971][ T5164] softirqs last disabled at (81739): [] __irq_exit_rcu+0x240/0x43c [ 79.913493][ T5164] ---[ end trace 344ebf1a1b03449c ]--- [ 79.927245][ T5164] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 79.929161][ T5164] BTRFS info (device loop0): forced readonly [ 79.930116][ T5164] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 79.932040][ T5164] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 79.933839][ T5164] BTRFS info (device loop0): balance: ended with status: -30 [ 80.027218][ T1540] Bluetooth: hci0: command 0x0419 tx timeout [ 80.096338][ T5187] loop0: detected capacity change from 0 to 32768 [ 80.191251][ T5187] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.25 (5187) [ 80.197994][ T5187] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 80.199688][ T5187] BTRFS info (device loop0): using free space tree [ 80.200853][ T5187] BTRFS info (device loop0): has skinny extents [ 80.210570][ T5187] BTRFS info (device loop0): enabling ssd optimizations [ 80.215717][ T5187] BTRFS info (device loop0): balance: start -s [ 80.217280][ T5187] ------------[ cut here ]------------ [ 80.218297][ T5187] WARNING: CPU: 1 PID: 5187 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 80.220221][ T5187] Modules linked in: [ 80.220875][ T5187] CPU: 1 PID: 5187 Comm: syz.0.25 Tainted: G W syzkaller #0 [ 80.222250][ T5187] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.223922][ T5187] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 80.225288][ T5187] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 80.226422][ T5187] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 80.227599][ T5187] sp : ffff800020847540 [ 80.228327][ T5187] x29: ffff800020847710 x28: ffff0000cb2e31b0 x27: 1fffe0001bd68cbc [ 80.229654][ T5187] x26: 1fffe0001965c60b x25: ffff0000cb2e3050 x24: dfff800000000000 [ 80.230952][ T5187] x23: ffff0000deb465d8 x22: 1fffe0001965c60a x21: ffff0000cb2e3058 [ 80.232359][ T5187] x20: 00000000ffffffe4 x19: ffff0000edf819d0 x18: 0000000000000001 [ 80.233720][ T5187] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 80.235122][ T5187] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 80.236462][ T5187] x11: 0000000000000000 x10: 0000000000000000 x9 : 08db5abbe3e6a300 [ 80.237837][ T5187] x8 : 08db5abbe3e6a300 x7 : 0000000000000001 x6 : 0000000000000001 [ 80.239223][ T5187] x5 : ffff800020846e58 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 80.240595][ T5187] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 80.241964][ T5187] Call trace: [ 80.242520][ T5187] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 80.243567][ T5187] __btrfs_end_transaction+0x13c/0x5f0 [ 80.244528][ T5187] btrfs_end_transaction+0x24/0x34 [ 80.245379][ T5187] btrfs_inc_block_group_ro+0x4ec/0x558 [ 80.246328][ T5187] btrfs_relocate_block_group+0x2b8/0x8a4 [ 80.247313][ T5187] btrfs_relocate_chunk+0xb8/0x280 [ 80.248172][ T5187] __btrfs_balance+0x112c/0x1b9c [ 80.248911][ T5187] btrfs_balance+0xac8/0x113c [ 80.249608][ T5187] btrfs_ioctl_balance+0x4cc/0x658 [ 80.250460][ T5187] btrfs_ioctl+0x20c/0xa8c [ 80.251226][ T5187] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.252094][ T5187] invoke_syscall+0x98/0x2b0 [ 80.252885][ T5187] el0_svc_common+0x138/0x258 [ 80.253647][ T5187] do_el0_svc+0x58/0x13c [ 80.254343][ T5187] el0_svc+0x78/0x1d0 [ 80.255006][ T5187] el0t_64_sync_handler+0xcc/0xe4 [ 80.255895][ T5187] el0t_64_sync+0x1a0/0x1a4 [ 80.256629][ T5187] irq event stamp: 81458 [ 80.257387][ T5187] hardirqs last enabled at (81457): [] __up_console_sem+0xb4/0xfc [ 80.258952][ T5187] hardirqs last disabled at (81458): [] el1_dbg+0x24/0x80 [ 80.260479][ T5187] softirqs last enabled at (81402): [] handle_softirqs+0xa40/0xbe4 [ 80.262135][ T5187] softirqs last disabled at (81377): [] __irq_exit_rcu+0x240/0x43c [ 80.263779][ T5187] ---[ end trace 344ebf1a1b03449d ]--- [ 80.265518][ T5187] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 80.267752][ T5187] BTRFS info (device loop0): forced readonly [ 80.268749][ T5187] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 80.270710][ T5187] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 80.272529][ T5187] BTRFS info (device loop0): balance: ended with status: -30 [ 80.468813][ T5209] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.26 (5209) [ 80.475350][ T5209] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 80.476828][ T5209] BTRFS info (device loop0): using free space tree [ 80.479023][ T5209] BTRFS info (device loop0): has skinny extents [ 80.487919][ T5209] BTRFS info (device loop0): enabling ssd optimizations [ 80.492850][ T5209] BTRFS info (device loop0): balance: start -s [ 80.494392][ T5209] ------------[ cut here ]------------ [ 80.495432][ T5209] WARNING: CPU: 1 PID: 5209 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 80.497201][ T5209] Modules linked in: [ 80.497920][ T5209] CPU: 1 PID: 5209 Comm: syz.0.26 Tainted: G W syzkaller #0 [ 80.499444][ T5209] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.501212][ T5209] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 80.502430][ T5209] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 80.503608][ T5209] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 80.504771][ T5209] sp : ffff800020eb7540 [ 80.505456][ T5209] x29: ffff800020eb7710 x28: ffff0000d7ad31b0 x27: 1fffe0001bd68ce8 [ 80.506961][ T5209] x26: 1fffe0001af5a60b x25: ffff0000d7ad3050 x24: dfff800000000000 [ 80.508422][ T5209] x23: ffff0000deb46738 x22: 1fffe0001af5a60a x21: ffff0000d7ad3058 [ 80.509786][ T5209] x20: 00000000ffffffe4 x19: ffff0000c83019d0 x18: 0000000000000001 [ 80.511095][ T5209] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 80.512412][ T5209] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 80.513720][ T5209] x11: 0000000000000000 x10: 0000000000000000 x9 : 72237bf3dfdc4c00 [ 80.515153][ T5209] x8 : 72237bf3dfdc4c00 x7 : 0000000000000001 x6 : 0000000000000001 [ 80.516645][ T5209] x5 : ffff800020eb6e58 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 80.518120][ T5209] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 80.519586][ T5209] Call trace: [ 80.520121][ T5209] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 80.521192][ T5209] __btrfs_end_transaction+0x13c/0x5f0 [ 80.522068][ T5209] btrfs_end_transaction+0x24/0x34 [ 80.522895][ T5209] btrfs_inc_block_group_ro+0x4ec/0x558 [ 80.523801][ T5209] btrfs_relocate_block_group+0x2b8/0x8a4 [ 80.524790][ T5209] btrfs_relocate_chunk+0xb8/0x280 [ 80.525571][ T5209] __btrfs_balance+0x112c/0x1b9c [ 80.526398][ T5209] btrfs_balance+0xac8/0x113c [ 80.527196][ T5209] btrfs_ioctl_balance+0x4cc/0x658 [ 80.528170][ T5209] btrfs_ioctl+0x20c/0xa8c [ 80.528945][ T5209] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.529861][ T5209] invoke_syscall+0x98/0x2b0 [ 80.530653][ T5209] el0_svc_common+0x138/0x258 [ 80.531417][ T5209] do_el0_svc+0x58/0x13c [ 80.532152][ T5209] el0_svc+0x78/0x1d0 [ 80.532786][ T5209] el0t_64_sync_handler+0xcc/0xe4 [ 80.533734][ T5209] el0t_64_sync+0x1a0/0x1a4 [ 80.534539][ T5209] irq event stamp: 80930 [ 80.535315][ T5209] hardirqs last enabled at (80929): [] __up_console_sem+0xb4/0xfc [ 80.537019][ T5209] hardirqs last disabled at (80930): [] el1_dbg+0x24/0x80 [ 80.538513][ T5209] softirqs last enabled at (80742): [] local_bh_enable+0x10/0x34 [ 80.540227][ T5209] softirqs last disabled at (80740): [] local_bh_disable+0x10/0x34 [ 80.541835][ T5209] ---[ end trace 344ebf1a1b03449e ]--- [ 80.544856][ T5209] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 80.546788][ T5209] BTRFS info (device loop0): forced readonly [ 80.550796][ T5209] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 80.552609][ T5209] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 80.554500][ T5209] BTRFS info (device loop0): balance: ended with status: -30 [ 80.738790][ T5231] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.27 (5231) [ 80.747412][ T5231] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 80.748981][ T5231] BTRFS info (device loop0): using free space tree [ 80.750188][ T5231] BTRFS info (device loop0): has skinny extents [ 80.760497][ T5231] BTRFS info (device loop0): enabling ssd optimizations [ 80.769720][ T5231] BTRFS info (device loop0): balance: start -s [ 80.771269][ T5231] ------------[ cut here ]------------ [ 80.772279][ T5231] WARNING: CPU: 1 PID: 5231 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 80.774141][ T5231] Modules linked in: [ 80.774744][ T5231] CPU: 1 PID: 5231 Comm: syz.0.27 Tainted: G W syzkaller #0 [ 80.776099][ T5231] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.777798][ T5231] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 80.779191][ T5231] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 80.780332][ T5231] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 80.781504][ T5231] sp : ffff800020537540 [ 80.782158][ T5231] x29: ffff800020537710 x28: ffff0000d79249b0 x27: 1fffe0001bd68d14 [ 80.783560][ T5231] x26: 1fffe0001af2490b x25: ffff0000d7924850 x24: dfff800000000000 [ 80.784941][ T5231] x23: ffff0000deb46898 x22: 1fffe0001af2490a x21: ffff0000d7924858 [ 80.786393][ T5231] x20: 00000000ffffffe4 x19: ffff0000d79759d0 x18: 0000000000000001 [ 80.787726][ T5231] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 80.789044][ T5231] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 80.790405][ T5231] x11: 0000000000000000 x10: 0000000000000000 x9 : 251be823c97cf800 [ 80.791835][ T5231] x8 : 251be823c97cf800 x7 : 0000000000000001 x6 : 0000000000000001 [ 80.793245][ T5231] x5 : ffff800020536e58 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 80.794582][ T5231] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 80.795962][ T5231] Call trace: [ 80.796554][ T5231] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 80.797646][ T5231] __btrfs_end_transaction+0x13c/0x5f0 [ 80.798585][ T5231] btrfs_end_transaction+0x24/0x34 [ 80.799418][ T5231] btrfs_inc_block_group_ro+0x4ec/0x558 [ 80.800345][ T5231] btrfs_relocate_block_group+0x2b8/0x8a4 [ 80.801384][ T5231] btrfs_relocate_chunk+0xb8/0x280 [ 80.802284][ T5231] __btrfs_balance+0x112c/0x1b9c [ 80.803099][ T5231] btrfs_balance+0xac8/0x113c [ 80.803929][ T5231] btrfs_ioctl_balance+0x4cc/0x658 [ 80.804746][ T5231] btrfs_ioctl+0x20c/0xa8c [ 80.805498][ T5231] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.806357][ T5231] invoke_syscall+0x98/0x2b0 [ 80.807111][ T5231] el0_svc_common+0x138/0x258 [ 80.807915][ T5231] do_el0_svc+0x58/0x13c [ 80.808613][ T5231] el0_svc+0x78/0x1d0 [ 80.809284][ T5231] el0t_64_sync_handler+0xcc/0xe4 [ 80.810154][ T5231] el0t_64_sync+0x1a0/0x1a4 [ 80.810884][ T5231] irq event stamp: 80998 [ 80.811587][ T5231] hardirqs last enabled at (80997): [] __up_console_sem+0xb4/0xfc [ 80.813165][ T5231] hardirqs last disabled at (80998): [] el1_dbg+0x24/0x80 [ 80.814663][ T5231] softirqs last enabled at (80804): [] local_bh_enable+0x10/0x34 [ 80.816291][ T5231] softirqs last disabled at (80802): [] local_bh_disable+0x10/0x34 [ 80.817944][ T5231] ---[ end trace 344ebf1a1b03449f ]--- [ 80.821957][ T5231] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 80.823845][ T5231] BTRFS info (device loop0): forced readonly [ 80.825007][ T5231] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 80.826763][ T5231] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 80.829193][ T5231] BTRFS info (device loop0): balance: ended with status: -30 [ 81.009392][ T5253] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.28 (5253) [ 81.015059][ T5253] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 81.016575][ T5253] BTRFS info (device loop0): using free space tree [ 81.018050][ T5253] BTRFS info (device loop0): has skinny extents [ 81.026852][ T5253] BTRFS info (device loop0): enabling ssd optimizations [ 81.033481][ T5253] BTRFS info (device loop0): balance: start -s [ 81.034938][ T5253] ------------[ cut here ]------------ [ 81.035946][ T5253] WARNING: CPU: 1 PID: 5253 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 81.037796][ T5253] Modules linked in: [ 81.038521][ T5253] CPU: 1 PID: 5253 Comm: syz.0.28 Tainted: G W syzkaller #0 [ 81.040097][ T5253] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.041914][ T5253] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 81.043312][ T5253] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 81.044484][ T5253] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 81.045589][ T5253] sp : ffff800020537540 [ 81.046324][ T5253] x29: ffff800020537710 x28: ffff0000d7ec91b0 x27: 1fffe0001bd68d40 [ 81.047676][ T5253] x26: 1fffe0001afd920b x25: ffff0000d7ec9050 x24: dfff800000000000 [ 81.049063][ T5253] x23: ffff0000deb469f8 x22: 1fffe0001afd920a x21: ffff0000d7ec9058 [ 81.050455][ T5253] x20: 00000000ffffffe4 x19: ffff0000e86519d0 x18: 0000000000000001 [ 81.051815][ T5253] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 81.053152][ T5253] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 81.054555][ T5253] x11: 0000000000000000 x10: 0000000000000000 x9 : 871a1a869a7b8000 [ 81.056109][ T5253] x8 : 871a1a869a7b8000 x7 : 0000000000000001 x6 : 0000000000000001 [ 81.057518][ T5253] x5 : ffff800020536e58 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 81.058897][ T5253] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 81.060189][ T5253] Call trace: [ 81.060761][ T5253] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 81.061899][ T5253] __btrfs_end_transaction+0x13c/0x5f0 [ 81.062899][ T5253] btrfs_end_transaction+0x24/0x34 [ 81.063757][ T5253] btrfs_inc_block_group_ro+0x4ec/0x558 [ 81.064684][ T5253] btrfs_relocate_block_group+0x2b8/0x8a4 [ 81.065622][ T5253] btrfs_relocate_chunk+0xb8/0x280 [ 81.066564][ T5253] __btrfs_balance+0x112c/0x1b9c [ 81.067429][ T5253] btrfs_balance+0xac8/0x113c [ 81.068304][ T5253] btrfs_ioctl_balance+0x4cc/0x658 [ 81.069179][ T5253] btrfs_ioctl+0x20c/0xa8c [ 81.069931][ T5253] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.070812][ T5253] invoke_syscall+0x98/0x2b0 [ 81.071630][ T5253] el0_svc_common+0x138/0x258 [ 81.072406][ T5253] do_el0_svc+0x58/0x13c [ 81.073128][ T5253] el0_svc+0x78/0x1d0 [ 81.073758][ T5253] el0t_64_sync_handler+0xcc/0xe4 [ 81.074596][ T5253] el0t_64_sync+0x1a0/0x1a4 [ 81.075339][ T5253] irq event stamp: 80256 [ 81.076059][ T5253] hardirqs last enabled at (80255): [] __up_console_sem+0xb4/0xfc [ 81.077618][ T5253] hardirqs last disabled at (80256): [] el1_dbg+0x24/0x80 [ 81.079107][ T5253] softirqs last enabled at (80074): [] local_bh_enable+0x10/0x34 [ 81.080649][ T5253] softirqs last disabled at (80072): [] local_bh_disable+0x10/0x34 [ 81.082271][ T5253] ---[ end trace 344ebf1a1b0344a0 ]--- [ 81.086268][ T5253] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 81.088371][ T5253] BTRFS info (device loop0): forced readonly [ 81.089368][ T5253] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 81.091416][ T5253] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 81.093260][ T5253] BTRFS info (device loop0): balance: ended with status: -30 [ 81.362287][ T5275] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.29 (5275) [ 81.366092][ T5275] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 81.367697][ T5275] BTRFS info (device loop0): using free space tree [ 81.368782][ T5275] BTRFS info (device loop0): has skinny extents [ 81.378933][ T5275] BTRFS info (device loop0): enabling ssd optimizations [ 81.383928][ T5275] BTRFS info (device loop0): balance: start -s [ 81.385481][ T5275] ------------[ cut here ]------------ [ 81.386532][ T5275] WARNING: CPU: 0 PID: 5275 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 81.388418][ T5275] Modules linked in: [ 81.389109][ T5275] CPU: 0 PID: 5275 Comm: syz.0.29 Tainted: G W syzkaller #0 [ 81.390499][ T5275] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.392241][ T5275] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 81.393590][ T5275] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 81.394729][ T5275] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 81.395858][ T5275] sp : ffff8000210b7540 [ 81.396546][ T5275] x29: ffff8000210b7710 x28: ffff0000c5c741b0 x27: 1fffe0001bd59efe [ 81.397977][ T5275] x26: 1fffe00018b8e80b x25: ffff0000c5c74050 x24: dfff800000000000 [ 81.399369][ T5275] x23: ffff0000deacf7e8 x22: 1fffe00018b8e80a x21: ffff0000c5c74058 [ 81.400739][ T5275] x20: 00000000ffffffe4 x19: ffff0000d7d7d9d0 x18: 0000000000000001 [ 81.402073][ T5275] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 81.403369][ T5275] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 81.404778][ T5275] x11: 0000000000000000 x10: 0000000000000000 x9 : b56030bf6459fe00 [ 81.406184][ T5275] x8 : b56030bf6459fe00 x7 : 0000000000000001 x6 : 0000000000000001 [ 81.407597][ T5275] x5 : ffff8000210b6e58 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 81.408971][ T5275] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 81.410364][ T5275] Call trace: [ 81.410966][ T5275] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 81.412078][ T5275] __btrfs_end_transaction+0x13c/0x5f0 [ 81.412930][ T5275] btrfs_end_transaction+0x24/0x34 [ 81.413804][ T5275] btrfs_inc_block_group_ro+0x4ec/0x558 [ 81.414800][ T5275] btrfs_relocate_block_group+0x2b8/0x8a4 [ 81.415785][ T5275] btrfs_relocate_chunk+0xb8/0x280 [ 81.416676][ T5275] __btrfs_balance+0x112c/0x1b9c [ 81.417492][ T5275] btrfs_balance+0xac8/0x113c [ 81.418280][ T5275] btrfs_ioctl_balance+0x4cc/0x658 [ 81.419144][ T5275] btrfs_ioctl+0x20c/0xa8c [ 81.419889][ T5275] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.420668][ T5275] invoke_syscall+0x98/0x2b0 [ 81.421467][ T5275] el0_svc_common+0x138/0x258 [ 81.422257][ T5275] do_el0_svc+0x58/0x13c [ 81.422957][ T5275] el0_svc+0x78/0x1d0 [ 81.423610][ T5275] el0t_64_sync_handler+0xcc/0xe4 [ 81.424459][ T5275] el0t_64_sync+0x1a0/0x1a4 [ 81.425267][ T5275] irq event stamp: 80658 [ 81.425895][ T5275] hardirqs last enabled at (80657): [] __up_console_sem+0xb4/0xfc [ 81.427460][ T5275] hardirqs last disabled at (80658): [] el1_dbg+0x24/0x80 [ 81.428981][ T5275] softirqs last enabled at (80476): [] local_bh_enable+0x10/0x34 [ 81.430723][ T5275] softirqs last disabled at (80474): [] local_bh_disable+0x10/0x34 [ 81.432370][ T5275] ---[ end trace 344ebf1a1b0344a1 ]--- [ 81.434005][ T5275] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 81.435873][ T5275] BTRFS info (device loop0): forced readonly [ 81.436905][ T5275] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 81.438852][ T5275] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 81.440801][ T5275] BTRFS info (device loop0): balance: ended with status: -30 [ 81.630458][ T5297] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.30 (5297) [ 81.636075][ T5297] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 81.637829][ T5297] BTRFS info (device loop0): using free space tree [ 81.661123][ T5297] ------------[ cut here ]------------ [ 81.662104][ T5297] WARNING: CPU: 0 PID: 5297 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 81.663894][ T5297] Modules linked in: [ 81.664545][ T5297] CPU: 0 PID: 5297 Comm: syz.0.30 Tainted: G W syzkaller #0 [ 81.665952][ T5297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.667763][ T5297] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 81.669131][ T5297] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 81.670261][ T5297] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 81.671346][ T5297] sp : ffff8000212d7540 [ 81.672097][ T5297] x29: ffff8000212d7710 x28: ffff0000ca7f89b0 x27: 1fffe0001bd59f2a [ 81.673458][ T5297] x26: 1fffe000194ff10b x25: ffff0000ca7f8850 x24: dfff800000000000 [ 81.674855][ T5297] x23: ffff0000deacf948 x22: 1fffe000194ff10a x21: ffff0000ca7f8858 [ 81.676231][ T5297] x20: 00000000ffffffe4 x19: ffff0000d6f899d0 x18: 0000000000000001 [ 81.677581][ T5297] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 81.678986][ T5297] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 81.680328][ T5297] x11: 0000000000000000 x10: 0000000000000000 x9 : 0e4bffb0c18cf600 [ 81.681734][ T5297] x8 : 0e4bffb0c18cf600 x7 : 0000000000000001 x6 : 0000000000000001 [ 81.683071][ T5297] x5 : ffff8000212d6e58 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 81.684461][ T5297] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 81.685836][ T5297] Call trace: [ 81.686391][ T5297] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 81.687410][ T5297] __btrfs_end_transaction+0x13c/0x5f0 [ 81.688315][ T5297] btrfs_end_transaction+0x24/0x34 [ 81.689147][ T5297] btrfs_inc_block_group_ro+0x4ec/0x558 [ 81.690010][ T5297] btrfs_relocate_block_group+0x2b8/0x8a4 [ 81.690934][ T5297] btrfs_relocate_chunk+0xb8/0x280 [ 81.691771][ T5297] __btrfs_balance+0x112c/0x1b9c [ 81.692594][ T5297] btrfs_balance+0xac8/0x113c [ 81.693393][ T5297] btrfs_ioctl_balance+0x4cc/0x658 [ 81.694278][ T5297] btrfs_ioctl+0x20c/0xa8c [ 81.695050][ T5297] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.695907][ T5297] invoke_syscall+0x98/0x2b0 [ 81.696707][ T5297] el0_svc_common+0x138/0x258 [ 81.697607][ T5297] do_el0_svc+0x58/0x13c [ 81.698331][ T5297] el0_svc+0x78/0x1d0 [ 81.698996][ T5297] el0t_64_sync_handler+0xcc/0xe4 [ 81.699870][ T5297] el0t_64_sync+0x1a0/0x1a4 [ 81.700628][ T5297] irq event stamp: 80916 [ 81.701355][ T5297] hardirqs last enabled at (80915): [] __up_console_sem+0xb4/0xfc [ 81.702879][ T5297] hardirqs last disabled at (80916): [] el1_dbg+0x24/0x80 [ 81.704271][ T5297] softirqs last enabled at (80744): [] local_bh_enable+0x10/0x34 [ 81.705869][ T5297] softirqs last disabled at (80742): [] local_bh_disable+0x10/0x34 [ 81.707412][ T5297] ---[ end trace 344ebf1a1b0344a2 ]--- [ 81.708926][ T5297] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 81.710653][ T5297] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 81.712331][ T5297] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 81.902219][ T5319] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.31 (5319) [ 81.924745][ T5319] ------------[ cut here ]------------ [ 81.925812][ T5319] WARNING: CPU: 0 PID: 5319 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 81.927545][ T5319] Modules linked in: [ 81.928208][ T5319] CPU: 0 PID: 5319 Comm: syz.0.31 Tainted: G W syzkaller #0 [ 81.929658][ T5319] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.931418][ T5319] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 81.932736][ T5319] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 81.933817][ T5319] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 81.934924][ T5319] sp : ffff8000214f7540 [ 81.935635][ T5319] x29: ffff8000214f7710 x28: ffff0000c65de9b0 x27: 1fffe0001bd59f56 [ 81.936882][ T5319] x26: 1fffe00018cbbd0b x25: ffff0000c65de850 x24: dfff800000000000 [ 81.938350][ T5319] x23: ffff0000deacfaa8 x22: 1fffe00018cbbd0a x21: ffff0000c65de858 [ 81.939821][ T5319] x20: 00000000ffffffe4 x19: ffff0000c88cd9d0 x18: 0000000000000001 [ 81.941198][ T5319] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 81.942611][ T5319] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 81.943982][ T5319] x11: 0000000000000000 x10: 0000000000000000 x9 : 137c57369223ab00 [ 81.945351][ T5319] x8 : 137c57369223ab00 x7 : 0000000000000001 x6 : 0000000000000001 [ 81.946685][ T5319] x5 : ffff8000214f6e58 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 81.948048][ T5319] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 81.949383][ T5319] Call trace: [ 81.949898][ T5319] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 81.950926][ T5319] __btrfs_end_transaction+0x13c/0x5f0 [ 81.951844][ T5319] btrfs_end_transaction+0x24/0x34 [ 81.952695][ T5319] btrfs_inc_block_group_ro+0x4ec/0x558 [ 81.953627][ T5319] btrfs_relocate_block_group+0x2b8/0x8a4 [ 81.954601][ T5319] btrfs_relocate_chunk+0xb8/0x280 [ 81.955502][ T5319] __btrfs_balance+0x112c/0x1b9c [ 81.956313][ T5319] btrfs_balance+0xac8/0x113c [ 81.957106][ T5319] btrfs_ioctl_balance+0x4cc/0x658 [ 81.957940][ T5319] btrfs_ioctl+0x20c/0xa8c [ 81.958675][ T5319] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.959430][ T5319] invoke_syscall+0x98/0x2b0 [ 81.960147][ T5319] el0_svc_common+0x138/0x258 [ 81.960889][ T5319] do_el0_svc+0x58/0x13c [ 81.961551][ T5319] el0_svc+0x78/0x1d0 [ 81.962195][ T5319] el0t_64_sync_handler+0xcc/0xe4 [ 81.963015][ T5319] el0t_64_sync+0x1a0/0x1a4 [ 81.963708][ T5319] irq event stamp: 80666 [ 81.964359][ T5319] hardirqs last enabled at (80665): [] __up_console_sem+0xb4/0xfc [ 81.965954][ T5319] hardirqs last disabled at (80666): [] el1_dbg+0x24/0x80 [ 81.967378][ T5319] softirqs last enabled at (80508): [] local_bh_enable+0x10/0x34 [ 81.968931][ T5319] softirqs last disabled at (80506): [] local_bh_disable+0x10/0x34 [ 81.970440][ T5319] ---[ end trace 344ebf1a1b0344a3 ]--- [ 81.972870][ T5319] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 81.975509][ T5319] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 81.977941][ T5319] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 82.124970][ T5341] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.32 (5341) [ 82.141292][ T5341] ------------[ cut here ]------------ [ 82.142566][ T5341] WARNING: CPU: 0 PID: 5341 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 82.144426][ T5341] Modules linked in: [ 82.145016][ T5341] CPU: 0 PID: 5341 Comm: syz.0.32 Tainted: G W syzkaller #0 [ 82.146395][ T5341] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.148039][ T5341] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 82.149428][ T5341] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 82.150529][ T5341] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 82.151681][ T5341] sp : ffff800020537540 [ 82.152365][ T5341] x29: ffff800020537710 x28: ffff0000cdc681b0 x27: 1fffe0001bd59f82 [ 82.153625][ T5341] x26: 1fffe00019b8d00b x25: ffff0000cdc68050 x24: dfff800000000000 [ 82.155069][ T5341] x23: ffff0000deacfc08 x22: 1fffe00019b8d00a x21: ffff0000cdc68058 [ 82.156444][ T5341] x20: 00000000ffffffe4 x19: ffff0000c88cd9d0 x18: 0000000000000001 [ 82.157849][ T5341] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 82.159223][ T5341] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 82.160688][ T5341] x11: 0000000000000000 x10: 0000000000000000 x9 : 641c1ae94b1fc300 [ 82.161983][ T5341] x8 : 641c1ae94b1fc300 x7 : 0000000000000001 x6 : 0000000000000001 [ 82.163324][ T5341] x5 : ffff800020536e58 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 82.164659][ T5341] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 82.166083][ T5341] Call trace: [ 82.166664][ T5341] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 82.167752][ T5341] __btrfs_end_transaction+0x13c/0x5f0 [ 82.168662][ T5341] btrfs_end_transaction+0x24/0x34 [ 82.169575][ T5341] btrfs_inc_block_group_ro+0x4ec/0x558 [ 82.170477][ T5341] btrfs_relocate_block_group+0x2b8/0x8a4 [ 82.171358][ T5341] btrfs_relocate_chunk+0xb8/0x280 [ 82.172184][ T5341] __btrfs_balance+0x112c/0x1b9c [ 82.172992][ T5341] btrfs_balance+0xac8/0x113c [ 82.173806][ T5341] btrfs_ioctl_balance+0x4cc/0x658 [ 82.174643][ T5341] btrfs_ioctl+0x20c/0xa8c [ 82.175337][ T5341] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.176184][ T5341] invoke_syscall+0x98/0x2b0 [ 82.176967][ T5341] el0_svc_common+0x138/0x258 [ 82.177776][ T5341] do_el0_svc+0x58/0x13c [ 82.178532][ T5341] el0_svc+0x78/0x1d0 [ 82.179165][ T5341] el0t_64_sync_handler+0xcc/0xe4 [ 82.180000][ T5341] el0t_64_sync+0x1a0/0x1a4 [ 82.180711][ T5341] irq event stamp: 81832 [ 82.181449][ T5341] hardirqs last enabled at (81831): [] __up_console_sem+0xb4/0xfc [ 82.183099][ T5341] hardirqs last disabled at (81832): [] el1_dbg+0x24/0x80 [ 82.184632][ T5341] softirqs last enabled at (81660): [] local_bh_enable+0x10/0x34 [ 82.186222][ T5341] softirqs last disabled at (81658): [] local_bh_disable+0x10/0x34 [ 82.187754][ T5341] ---[ end trace 344ebf1a1b0344a4 ]--- [ 82.190586][ T5341] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 82.192308][ T5341] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 82.194093][ T5341] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left 1970/01/01 00:01:22 executed programs: 19 [ 82.393569][ T5362] set_capacity_and_notify: 7 callbacks suppressed [ 82.393579][ T5362] loop0: detected capacity change from 0 to 32768 [ 82.444653][ T5362] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.33 (5362) [ 82.449874][ T5362] btrfs_printk: 19 callbacks suppressed [ 82.449882][ T5362] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 82.452188][ T5362] BTRFS info (device loop0): using free space tree [ 82.453313][ T5362] BTRFS info (device loop0): has skinny extents [ 82.462184][ T5362] BTRFS info (device loop0): enabling ssd optimizations [ 82.469493][ T5362] BTRFS info (device loop0): balance: start -s [ 82.470853][ T5362] ------------[ cut here ]------------ [ 82.471924][ T5362] WARNING: CPU: 0 PID: 5362 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 82.473707][ T5362] Modules linked in: [ 82.474361][ T5362] CPU: 0 PID: 5362 Comm: syz.0.33 Tainted: G W syzkaller #0 [ 82.475800][ T5362] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.477492][ T5362] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 82.478828][ T5362] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 82.479932][ T5362] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 82.481065][ T5362] sp : ffff8000216f7540 [ 82.481781][ T5362] x29: ffff8000216f7710 x28: ffff0000caff59b0 x27: 1fffe0001bd59fae [ 82.483122][ T5362] x26: 1fffe000195feb0b x25: ffff0000caff5850 x24: dfff800000000000 [ 82.484516][ T5362] x23: ffff0000deacfd68 x22: 1fffe000195feb0a x21: ffff0000caff5858 [ 82.485915][ T5362] x20: 00000000ffffffe4 x19: ffff0000cc97d9d0 x18: 0000000000000001 [ 82.487299][ T5362] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 82.488669][ T5362] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 82.490086][ T5362] x11: 0000000000000000 x10: 0000000000000000 x9 : 3fd4ab544cbbce00 [ 82.491513][ T5362] x8 : 3fd4ab544cbbce00 x7 : 0000000000000001 x6 : 0000000000000001 [ 82.492937][ T5362] x5 : ffff8000216f6e58 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 82.494262][ T5362] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 82.495603][ T5362] Call trace: [ 82.496146][ T5362] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 82.497212][ T5362] __btrfs_end_transaction+0x13c/0x5f0 [ 82.498096][ T5362] btrfs_end_transaction+0x24/0x34 [ 82.498935][ T5362] btrfs_inc_block_group_ro+0x4ec/0x558 [ 82.499813][ T5362] btrfs_relocate_block_group+0x2b8/0x8a4 [ 82.500777][ T5362] btrfs_relocate_chunk+0xb8/0x280 [ 82.501579][ T5362] __btrfs_balance+0x112c/0x1b9c [ 82.502313][ T5362] btrfs_balance+0xac8/0x113c [ 82.503110][ T5362] btrfs_ioctl_balance+0x4cc/0x658 [ 82.503970][ T5362] btrfs_ioctl+0x20c/0xa8c [ 82.504758][ T5362] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.505604][ T5362] invoke_syscall+0x98/0x2b0 [ 82.506389][ T5362] el0_svc_common+0x138/0x258 [ 82.507220][ T5362] do_el0_svc+0x58/0x13c [ 82.507935][ T5362] el0_svc+0x78/0x1d0 [ 82.508610][ T5362] el0t_64_sync_handler+0xcc/0xe4 [ 82.509449][ T5362] el0t_64_sync+0x1a0/0x1a4 [ 82.510191][ T5362] irq event stamp: 80700 [ 82.510896][ T5362] hardirqs last enabled at (80699): [] __up_console_sem+0xb4/0xfc [ 82.512407][ T5362] hardirqs last disabled at (80700): [] el1_dbg+0x24/0x80 [ 82.513821][ T5362] softirqs last enabled at (80512): [] local_bh_enable+0x10/0x34 [ 82.515271][ T5362] softirqs last disabled at (80510): [] local_bh_disable+0x10/0x34 [ 82.516746][ T5362] ---[ end trace 344ebf1a1b0344a5 ]--- [ 82.520384][ T5362] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 82.522219][ T5362] BTRFS info (device loop0): forced readonly [ 82.523308][ T5362] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 82.525121][ T5362] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 82.526976][ T5362] BTRFS info (device loop0): balance: ended with status: -30 [ 82.671144][ T5384] loop0: detected capacity change from 0 to 32768 [ 82.718741][ T5384] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.34 (5384) [ 82.759624][ T5384] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 82.761217][ T5384] BTRFS info (device loop0): using free space tree [ 82.762443][ T5384] BTRFS info (device loop0): has skinny extents [ 82.785399][ T5384] BTRFS info (device loop0): enabling ssd optimizations [ 82.791493][ T5384] BTRFS info (device loop0): balance: start -s [ 82.793204][ T5384] ------------[ cut here ]------------ [ 82.794301][ T5384] WARNING: CPU: 0 PID: 5384 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 82.796048][ T5384] Modules linked in: [ 82.796711][ T5384] CPU: 0 PID: 5384 Comm: syz.0.34 Tainted: G W syzkaller #0 [ 82.798126][ T5384] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.799805][ T5384] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 82.801045][ T5384] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 82.802126][ T5384] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 82.803197][ T5384] sp : ffff8000216f7540 [ 82.803904][ T5384] x29: ffff8000216f7710 x28: ffff0000cba169b0 x27: 1fffe0001bd59fda [ 82.805187][ T5384] x26: 1fffe00019742d0b x25: ffff0000cba16850 x24: dfff800000000000 [ 82.806546][ T5384] x23: ffff0000deacfec8 x22: 1fffe00019742d0a x21: ffff0000cba16858 [ 82.807969][ T5384] x20: 00000000ffffffe4 x19: ffff0000ecb799d0 x18: 0000000000000001 [ 82.809411][ T5384] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 82.810668][ T5384] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 82.812024][ T5384] x11: 0000000000000000 x10: 0000000000000000 x9 : 90d690518a7eb200 [ 82.813350][ T5384] x8 : 90d690518a7eb200 x7 : 0000000000000001 x6 : 0000000000000001 [ 82.814717][ T5384] x5 : ffff8000216f6e58 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 82.816019][ T5384] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 82.817358][ T5384] Call trace: [ 82.817888][ T5384] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 82.818903][ T5384] __btrfs_end_transaction+0x13c/0x5f0 [ 82.819782][ T5384] btrfs_end_transaction+0x24/0x34 [ 82.820706][ T5384] btrfs_inc_block_group_ro+0x4ec/0x558 [ 82.821615][ T5384] btrfs_relocate_block_group+0x2b8/0x8a4 [ 82.822611][ T5384] btrfs_relocate_chunk+0xb8/0x280 [ 82.823533][ T5384] __btrfs_balance+0x112c/0x1b9c [ 82.824381][ T5384] btrfs_balance+0xac8/0x113c [ 82.825164][ T5384] btrfs_ioctl_balance+0x4cc/0x658 [ 82.826012][ T5384] btrfs_ioctl+0x20c/0xa8c [ 82.826775][ T5384] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.827579][ T5384] invoke_syscall+0x98/0x2b0 [ 82.828320][ T5384] el0_svc_common+0x138/0x258 [ 82.829068][ T5384] do_el0_svc+0x58/0x13c [ 82.829743][ T5384] el0_svc+0x78/0x1d0 [ 82.830380][ T5384] el0t_64_sync_handler+0xcc/0xe4 [ 82.831230][ T5384] el0t_64_sync+0x1a0/0x1a4 [ 82.831960][ T5384] irq event stamp: 81022 [ 82.832692][ T5384] hardirqs last enabled at (81021): [] __up_console_sem+0xb4/0xfc [ 82.834261][ T5384] hardirqs last disabled at (81022): [] el1_dbg+0x24/0x80 [ 82.835734][ T5384] softirqs last enabled at (80828): [] local_bh_enable+0x10/0x34 [ 82.837295][ T5384] softirqs last disabled at (80826): [] local_bh_disable+0x10/0x34 [ 82.838831][ T5384] ---[ end trace 344ebf1a1b0344a6 ]--- [ 82.840339][ T5384] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 82.841945][ T5384] BTRFS info (device loop0): forced readonly [ 82.842910][ T5384] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 82.844603][ T5384] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 82.846295][ T5384] BTRFS info (device loop0): balance: ended with status: -30 [ 82.997854][ T5406] loop0: detected capacity change from 0 to 32768 [ 83.005709][ T5406] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.35 (5406) [ 83.010930][ T5406] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 83.012434][ T5406] BTRFS info (device loop0): using free space tree [ 83.013536][ T5406] BTRFS info (device loop0): has skinny extents [ 83.022815][ T5406] BTRFS info (device loop0): enabling ssd optimizations [ 83.027657][ T5406] BTRFS info (device loop0): balance: start -s [ 83.029102][ T5406] ------------[ cut here ]------------ [ 83.030123][ T5406] WARNING: CPU: 0 PID: 5406 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 83.032033][ T5406] Modules linked in: [ 83.032676][ T5406] CPU: 0 PID: 5406 Comm: syz.0.35 Tainted: G W syzkaller #0 [ 83.034147][ T5406] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.035801][ T5406] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 83.037161][ T5406] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 83.038283][ T5406] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 83.039417][ T5406] sp : ffff800021837540 [ 83.040165][ T5406] x29: ffff800021837710 x28: ffff0000d74501b0 x27: 1fffe0001bd59ebc [ 83.041573][ T5406] x26: 1fffe0001ae8a00b x25: ffff0000d7450050 x24: dfff800000000000 [ 83.042954][ T5406] x23: ffff0000deacf5d8 x22: 1fffe0001ae8a00a x21: ffff0000d7450058 [ 83.044341][ T5406] x20: 00000000ffffffe4 x19: ffff0000d68799d0 x18: 0000000000000001 [ 83.045714][ T5406] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 83.047084][ T5406] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 83.048459][ T5406] x11: 0000000000000000 x10: 0000000000000000 x9 : 2930f10cde22d300 [ 83.049791][ T5406] x8 : 2930f10cde22d300 x7 : 0000000000000001 x6 : 0000000000000001 [ 83.051124][ T5406] x5 : ffff800021836e58 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 83.052467][ T5406] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 83.053834][ T5406] Call trace: [ 83.054385][ T5406] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 83.055469][ T5406] __btrfs_end_transaction+0x13c/0x5f0 [ 83.056452][ T5406] btrfs_end_transaction+0x24/0x34 [ 83.057331][ T5406] btrfs_inc_block_group_ro+0x4ec/0x558 [ 83.058253][ T5406] btrfs_relocate_block_group+0x2b8/0x8a4 [ 83.059221][ T5406] btrfs_relocate_chunk+0xb8/0x280 [ 83.060000][ T5406] __btrfs_balance+0x112c/0x1b9c [ 83.060857][ T5406] btrfs_balance+0xac8/0x113c [ 83.061638][ T5406] btrfs_ioctl_balance+0x4cc/0x658 [ 83.062427][ T5406] btrfs_ioctl+0x20c/0xa8c [ 83.063134][ T5406] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.063941][ T5406] invoke_syscall+0x98/0x2b0 [ 83.064766][ T5406] el0_svc_common+0x138/0x258 [ 83.065527][ T5406] do_el0_svc+0x58/0x13c [ 83.066205][ T5406] el0_svc+0x78/0x1d0 [ 83.066848][ T5406] el0t_64_sync_handler+0xcc/0xe4 [ 83.067691][ T5406] el0t_64_sync+0x1a0/0x1a4 [ 83.068434][ T5406] irq event stamp: 80826 [ 83.069058][ T5406] hardirqs last enabled at (80825): [] __up_console_sem+0xb4/0xfc [ 83.070682][ T5406] hardirqs last disabled at (80826): [] el1_dbg+0x24/0x80 [ 83.072136][ T5406] softirqs last enabled at (80648): [] local_bh_enable+0x10/0x34 [ 83.073814][ T5406] softirqs last disabled at (80646): [] local_bh_disable+0x10/0x34 [ 83.075494][ T5406] ---[ end trace 344ebf1a1b0344a7 ]--- [ 83.078126][ T5406] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 83.080194][ T5406] BTRFS info (device loop0): forced readonly [ 83.081200][ T5406] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 83.083351][ T5406] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 83.085297][ T5406] BTRFS info (device loop0): balance: ended with status: -30 [ 83.238217][ T5428] loop0: detected capacity change from 0 to 32768 [ 83.246092][ T5428] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.36 (5428) [ 83.251387][ T5428] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 83.252913][ T5428] BTRFS info (device loop0): using free space tree [ 83.253876][ T5428] BTRFS info (device loop0): has skinny extents [ 83.270797][ T5428] BTRFS info (device loop0): enabling ssd optimizations [ 83.275577][ T5428] BTRFS info (device loop0): balance: start -s [ 83.277046][ T5428] ------------[ cut here ]------------ [ 83.279289][ T5428] WARNING: CPU: 0 PID: 5428 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 83.281201][ T5428] Modules linked in: [ 83.281854][ T5428] CPU: 0 PID: 5428 Comm: syz.0.36 Tainted: G W syzkaller #0 [ 83.283228][ T5428] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.284939][ T5428] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 83.286295][ T5428] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 83.287408][ T5428] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 83.288476][ T5428] sp : ffff800021717540 [ 83.289198][ T5428] x29: ffff800021717710 x28: ffff0000c129b9b0 x27: 1fffe0001bd59e90 [ 83.290561][ T5428] x26: 1fffe0001825370b x25: ffff0000c129b850 x24: dfff800000000000 [ 83.291951][ T5428] x23: ffff0000deacf478 x22: 1fffe0001825370a x21: ffff0000c129b858 [ 83.293362][ T5428] x20: 00000000ffffffe4 x19: ffff0000ccd2d9d0 x18: 0000000000000001 [ 83.294787][ T5428] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 83.296233][ T5428] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 83.297603][ T5428] x11: 0000000000000000 x10: 0000000000000000 x9 : 2aed63b25e211400 [ 83.298960][ T5428] x8 : 2aed63b25e211400 x7 : 0000000000000001 x6 : 0000000000000001 [ 83.300417][ T5428] x5 : ffff800021716e58 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 83.301838][ T5428] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 83.303264][ T5428] Call trace: [ 83.303815][ T5428] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 83.304925][ T5428] __btrfs_end_transaction+0x13c/0x5f0 [ 83.305849][ T5428] btrfs_end_transaction+0x24/0x34 [ 83.306737][ T5428] btrfs_inc_block_group_ro+0x4ec/0x558 [ 83.307694][ T5428] btrfs_relocate_block_group+0x2b8/0x8a4 [ 83.308714][ T5428] btrfs_relocate_chunk+0xb8/0x280 [ 83.309689][ T5428] __btrfs_balance+0x112c/0x1b9c [ 83.310586][ T5428] btrfs_balance+0xac8/0x113c [ 83.311370][ T5428] btrfs_ioctl_balance+0x4cc/0x658 [ 83.312252][ T5428] btrfs_ioctl+0x20c/0xa8c [ 83.313107][ T5428] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.314008][ T5428] invoke_syscall+0x98/0x2b0 [ 83.314846][ T5428] el0_svc_common+0x138/0x258 [ 83.315645][ T5428] do_el0_svc+0x58/0x13c [ 83.316406][ T5428] el0_svc+0x78/0x1d0 [ 83.317108][ T5428] el0t_64_sync_handler+0xcc/0xe4 [ 83.317989][ T5428] el0t_64_sync+0x1a0/0x1a4 [ 83.318729][ T5428] irq event stamp: 81398 [ 83.319426][ T5428] hardirqs last enabled at (81397): [] __up_console_sem+0xb4/0xfc [ 83.321123][ T5428] hardirqs last disabled at (81398): [] el1_dbg+0x24/0x80 [ 83.322595][ T5428] softirqs last enabled at (81386): [] handle_softirqs+0xa40/0xbe4 [ 83.324265][ T5428] softirqs last disabled at (81241): [] __irq_exit_rcu+0x240/0x43c [ 83.325916][ T5428] ---[ end trace 344ebf1a1b0344a8 ]--- [ 83.343018][ T5428] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 83.344910][ T5428] BTRFS info (device loop0): forced readonly [ 83.345887][ T5428] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 83.347802][ T5428] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 83.349810][ T5428] BTRFS info (device loop0): balance: ended with status: -30 [ 83.537210][ T5450] loop0: detected capacity change from 0 to 32768 [ 83.642666][ T5450] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.37 (5450) [ 83.647426][ T5450] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 83.648762][ T5450] BTRFS info (device loop0): using free space tree [ 83.649962][ T5450] BTRFS info (device loop0): has skinny extents [ 83.659142][ T5450] BTRFS info (device loop0): enabling ssd optimizations [ 83.664009][ T5450] BTRFS info (device loop0): balance: start -s [ 83.665534][ T5450] ------------[ cut here ]------------ [ 83.666501][ T5450] WARNING: CPU: 1 PID: 5450 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 83.668319][ T5450] Modules linked in: [ 83.668996][ T5450] CPU: 1 PID: 5450 Comm: syz.0.37 Tainted: G W syzkaller #0 [ 83.670480][ T5450] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.672132][ T5450] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 83.673490][ T5450] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 83.674602][ T5450] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 83.675716][ T5450] sp : ffff800021b67540 [ 83.676417][ T5450] x29: ffff800021b67710 x28: ffff0000cbed51b0 x27: 1fffe0001bd68c7a [ 83.677783][ T5450] x26: 1fffe000197daa0b x25: ffff0000cbed5050 x24: dfff800000000000 [ 83.679120][ T5450] x23: ffff0000deb463c8 x22: 1fffe000197daa0a x21: ffff0000cbed5058 [ 83.680543][ T5450] x20: 00000000ffffffe4 x19: ffff0000d6c7d9d0 x18: 0000000000000001 [ 83.681963][ T5450] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 83.683363][ T5450] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 83.684765][ T5450] x11: 0000000000000000 x10: 0000000000000000 x9 : 080f42ad55e55500 [ 83.686201][ T5450] x8 : 080f42ad55e55500 x7 : 0000000000000001 x6 : 0000000000000001 [ 83.687592][ T5450] x5 : ffff800021b66e58 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 83.688936][ T5450] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 83.690296][ T5450] Call trace: [ 83.690835][ T5450] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 83.691926][ T5450] __btrfs_end_transaction+0x13c/0x5f0 [ 83.692894][ T5450] btrfs_end_transaction+0x24/0x34 [ 83.693770][ T5450] btrfs_inc_block_group_ro+0x4ec/0x558 [ 83.694670][ T5450] btrfs_relocate_block_group+0x2b8/0x8a4 [ 83.695600][ T5450] btrfs_relocate_chunk+0xb8/0x280 [ 83.696503][ T5450] __btrfs_balance+0x112c/0x1b9c [ 83.697324][ T5450] btrfs_balance+0xac8/0x113c [ 83.698152][ T5450] btrfs_ioctl_balance+0x4cc/0x658 [ 83.699043][ T5450] btrfs_ioctl+0x20c/0xa8c [ 83.699780][ T5450] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.700627][ T5450] invoke_syscall+0x98/0x2b0 [ 83.701487][ T5450] el0_svc_common+0x138/0x258 [ 83.702298][ T5450] do_el0_svc+0x58/0x13c [ 83.703040][ T5450] el0_svc+0x78/0x1d0 [ 83.703680][ T5450] el0t_64_sync_handler+0xcc/0xe4 [ 83.704539][ T5450] el0t_64_sync+0x1a0/0x1a4 [ 83.705315][ T5450] irq event stamp: 80472 [ 83.706028][ T5450] hardirqs last enabled at (80471): [] __up_console_sem+0xb4/0xfc [ 83.707743][ T5450] hardirqs last disabled at (80472): [] el1_dbg+0x24/0x80 [ 83.709316][ T5450] softirqs last enabled at (80298): [] local_bh_enable+0x10/0x34 [ 83.710914][ T5450] softirqs last disabled at (80296): [] local_bh_disable+0x10/0x34 [ 83.712622][ T5450] ---[ end trace 344ebf1a1b0344a9 ]--- [ 83.715495][ T5450] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 83.717788][ T5450] BTRFS info (device loop0): forced readonly [ 83.719015][ T5450] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 83.720886][ T5450] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 83.722815][ T5450] BTRFS info (device loop0): balance: ended with status: -30 [ 83.867015][ T5472] loop0: detected capacity change from 0 to 32768 [ 83.952413][ T5472] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.38 (5472) [ 83.956900][ T5472] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 83.959145][ T5472] BTRFS info (device loop0): using free space tree [ 83.960771][ T5472] BTRFS info (device loop0): has skinny extents [ 83.976824][ T5472] BTRFS info (device loop0): enabling ssd optimizations [ 83.982844][ T5472] BTRFS info (device loop0): balance: start -s [ 83.984333][ T5472] ------------[ cut here ]------------ [ 83.985345][ T5472] WARNING: CPU: 1 PID: 5472 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 83.987271][ T5472] Modules linked in: [ 83.987905][ T5472] CPU: 1 PID: 5472 Comm: syz.0.38 Tainted: G W syzkaller #0 [ 83.989413][ T5472] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.991196][ T5472] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 83.992584][ T5472] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 83.993701][ T5472] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 83.994842][ T5472] sp : ffff800021717540 [ 83.995523][ T5472] x29: ffff800021717710 x28: ffff0000c20a51b0 x27: 1fffe0001bd68c4e [ 83.996907][ T5472] x26: 1fffe00018414a0b x25: ffff0000c20a5050 x24: dfff800000000000 [ 83.998336][ T5472] x23: ffff0000deb46268 x22: 1fffe00018414a0a x21: ffff0000c20a5058 [ 83.999800][ T5472] x20: 00000000ffffffe4 x19: ffff0000ec9099d0 x18: 0000000000000001 [ 84.001053][ T5472] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 84.002484][ T5472] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 84.003857][ T5472] x11: 0000000000000000 x10: 0000000000000000 x9 : 35f1b732ce00c100 [ 84.005215][ T5472] x8 : 35f1b732ce00c100 x7 : 0000000000000001 x6 : 0000000000000001 [ 84.006597][ T5472] x5 : ffff800021716e58 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 84.007976][ T5472] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 84.009360][ T5472] Call trace: [ 84.009910][ T5472] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 84.010972][ T5472] __btrfs_end_transaction+0x13c/0x5f0 [ 84.011899][ T5472] btrfs_end_transaction+0x24/0x34 [ 84.012764][ T5472] btrfs_inc_block_group_ro+0x4ec/0x558 [ 84.013767][ T5472] btrfs_relocate_block_group+0x2b8/0x8a4 [ 84.014740][ T5472] btrfs_relocate_chunk+0xb8/0x280 [ 84.015602][ T5472] __btrfs_balance+0x112c/0x1b9c [ 84.016373][ T5472] btrfs_balance+0xac8/0x113c [ 84.017191][ T5472] btrfs_ioctl_balance+0x4cc/0x658 [ 84.018070][ T5472] btrfs_ioctl+0x20c/0xa8c [ 84.018822][ T5472] __arm64_sys_ioctl+0x14c/0x1c8 [ 84.019704][ T5472] invoke_syscall+0x98/0x2b0 [ 84.020407][ T5472] el0_svc_common+0x138/0x258 [ 84.021226][ T5472] do_el0_svc+0x58/0x13c [ 84.021983][ T5472] el0_svc+0x78/0x1d0 [ 84.022629][ T5472] el0t_64_sync_handler+0xcc/0xe4 [ 84.023469][ T5472] el0t_64_sync+0x1a0/0x1a4 [ 84.024231][ T5472] irq event stamp: 81446 [ 84.024940][ T5472] hardirqs last enabled at (81445): [] __up_console_sem+0xb4/0xfc [ 84.026450][ T5472] hardirqs last disabled at (81446): [] el1_dbg+0x24/0x80 [ 84.027864][ T5472] softirqs last enabled at (81262): [] local_bh_enable+0x10/0x34 [ 84.029266][ T5472] softirqs last disabled at (81260): [] local_bh_disable+0x10/0x34 [ 84.030721][ T5472] ---[ end trace 344ebf1a1b0344aa ]--- [ 84.033224][ T5472] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 84.034959][ T5472] BTRFS info (device loop0): forced readonly [ 84.036064][ T5472] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 84.038569][ T5472] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 84.040291][ T5472] BTRFS info (device loop0): balance: ended with status: -30 [ 84.192442][ T5494] loop0: detected capacity change from 0 to 32768 [ 84.201733][ T5494] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.39 (5494) [ 84.205417][ T5494] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 84.206908][ T5494] BTRFS info (device loop0): using free space tree [ 84.208947][ T5494] BTRFS info (device loop0): has skinny extents [ 84.226647][ T5494] BTRFS info (device loop0): enabling ssd optimizations [ 84.231867][ T5494] BTRFS info (device loop0): balance: start -s [ 84.233122][ T5494] ------------[ cut here ]------------ [ 84.234145][ T5494] WARNING: CPU: 0 PID: 5494 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 84.235940][ T5494] Modules linked in: [ 84.236583][ T5494] CPU: 0 PID: 5494 Comm: syz.0.39 Tainted: G W syzkaller #0 [ 84.237934][ T5494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.239589][ T5494] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 84.240851][ T5494] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 84.241896][ T5494] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 84.242988][ T5494] sp : ffff800021b67540 [ 84.243699][ T5494] x29: ffff800021b67710 x28: ffff0000cb1989b0 x27: 1fffe0001bd59e64 [ 84.245040][ T5494] x26: 1fffe0001963310b x25: ffff0000cb198850 x24: dfff800000000000 [ 84.246470][ T5494] x23: ffff0000deacf318 x22: 1fffe0001963310a x21: ffff0000cb198858 [ 84.247862][ T5494] x20: 00000000ffffffe4 x19: ffff0000d79599d0 x18: 0000000000000001 [ 84.249215][ T5494] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 84.250605][ T5494] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 84.251982][ T5494] x11: 0000000000000000 x10: 0000000000000000 x9 : d577d9e41246da00 [ 84.253340][ T5494] x8 : d577d9e41246da00 x7 : 0000000000000001 x6 : 0000000000000001 [ 84.254717][ T5494] x5 : ffff800021b66e58 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 84.256083][ T5494] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 84.257401][ T5494] Call trace: [ 84.257979][ T5494] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 84.260544][ T5494] __btrfs_end_transaction+0x13c/0x5f0 [ 84.261454][ T5494] btrfs_end_transaction+0x24/0x34 [ 84.262335][ T5494] btrfs_inc_block_group_ro+0x4ec/0x558 [ 84.263348][ T5494] btrfs_relocate_block_group+0x2b8/0x8a4 [ 84.264318][ T5494] btrfs_relocate_chunk+0xb8/0x280 [ 84.265156][ T5494] __btrfs_balance+0x112c/0x1b9c [ 84.265986][ T5494] btrfs_balance+0xac8/0x113c [ 84.266755][ T5494] btrfs_ioctl_balance+0x4cc/0x658 [ 84.267630][ T5494] btrfs_ioctl+0x20c/0xa8c [ 84.268337][ T5494] __arm64_sys_ioctl+0x14c/0x1c8 [ 84.269173][ T5494] invoke_syscall+0x98/0x2b0 [ 84.269943][ T5494] el0_svc_common+0x138/0x258 [ 84.270709][ T5494] do_el0_svc+0x58/0x13c [ 84.271436][ T5494] el0_svc+0x78/0x1d0 [ 84.272083][ T5494] el0t_64_sync_handler+0xcc/0xe4 [ 84.272876][ T5494] el0t_64_sync+0x1a0/0x1a4 [ 84.273631][ T5494] irq event stamp: 80666 [ 84.274332][ T5494] hardirqs last enabled at (80665): [] __up_console_sem+0xb4/0xfc [ 84.275952][ T5494] hardirqs last disabled at (80666): [] el1_dbg+0x24/0x80 [ 84.277441][ T5494] softirqs last enabled at (80498): [] local_bh_enable+0x10/0x34 [ 84.279042][ T5494] softirqs last disabled at (80496): [] local_bh_disable+0x10/0x34 [ 84.280619][ T5494] ---[ end trace 344ebf1a1b0344ab ]--- [ 84.284765][ T5494] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 84.286517][ T5494] BTRFS info (device loop0): forced readonly [ 84.287888][ T5494] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 84.289625][ T5494] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 84.291378][ T5494] BTRFS info (device loop0): balance: ended with status: -30 [ 84.430283][ T5516] loop0: detected capacity change from 0 to 32768 [ 84.480209][ T5516] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.40 (5516) [ 84.484683][ T5516] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 84.486147][ T5516] BTRFS info (device loop0): using free space tree [ 84.487611][ T5516] BTRFS info (device loop0): has skinny extents [ 84.495492][ T5516] BTRFS info (device loop0): enabling ssd optimizations [ 84.501820][ T5516] BTRFS info (device loop0): balance: start -s [ 84.503161][ T5516] ------------[ cut here ]------------ [ 84.504123][ T5516] WARNING: CPU: 0 PID: 5516 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 84.505949][ T5516] Modules linked in: [ 84.506622][ T5516] CPU: 0 PID: 5516 Comm: syz.0.40 Tainted: G W syzkaller #0 [ 84.507993][ T5516] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.509672][ T5516] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 84.511054][ T5516] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 84.512111][ T5516] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 84.513166][ T5516] sp : ffff800021cb7540 [ 84.513816][ T5516] x29: ffff800021cb7710 x28: ffff0000ec9fe1b0 x27: 1fffe0001bd59e38 [ 84.515069][ T5516] x26: 1fffe0001d93fc0b x25: ffff0000ec9fe050 x24: dfff800000000000 [ 84.516401][ T5516] x23: ffff0000deacf1b8 x22: 1fffe0001d93fc0a x21: ffff0000ec9fe058 [ 84.517745][ T5516] x20: 00000000ffffffe4 x19: ffff0000d6f299d0 x18: 0000000000000001 [ 84.519071][ T5516] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 84.520377][ T5516] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 84.521751][ T5516] x11: 0000000000000000 x10: 0000000000000000 x9 : 98462b36bfb06600 [ 84.523120][ T5516] x8 : 98462b36bfb06600 x7 : 0000000000000001 x6 : 0000000000000001 [ 84.524452][ T5516] x5 : ffff800021cb6e58 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 84.525854][ T5516] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 84.527106][ T5516] Call trace: [ 84.527669][ T5516] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 84.528693][ T5516] __btrfs_end_transaction+0x13c/0x5f0 [ 84.529593][ T5516] btrfs_end_transaction+0x24/0x34 [ 84.530465][ T5516] btrfs_inc_block_group_ro+0x4ec/0x558 [ 84.531358][ T5516] btrfs_relocate_block_group+0x2b8/0x8a4 [ 84.532345][ T5516] btrfs_relocate_chunk+0xb8/0x280 [ 84.533188][ T5516] __btrfs_balance+0x112c/0x1b9c [ 84.533978][ T5516] btrfs_balance+0xac8/0x113c [ 84.534713][ T5516] btrfs_ioctl_balance+0x4cc/0x658 [ 84.535585][ T5516] btrfs_ioctl+0x20c/0xa8c [ 84.536330][ T5516] __arm64_sys_ioctl+0x14c/0x1c8 [ 84.537112][ T5516] invoke_syscall+0x98/0x2b0 [ 84.537850][ T5516] el0_svc_common+0x138/0x258 [ 84.538662][ T5516] do_el0_svc+0x58/0x13c [ 84.539336][ T5516] el0_svc+0x78/0x1d0 [ 84.540045][ T5516] el0t_64_sync_handler+0xcc/0xe4 [ 84.540917][ T5516] el0t_64_sync+0x1a0/0x1a4 [ 84.541672][ T5516] irq event stamp: 80802 [ 84.542369][ T5516] hardirqs last enabled at (80801): [] __up_console_sem+0xb4/0xfc [ 84.543902][ T5516] hardirqs last disabled at (80802): [] el1_dbg+0x24/0x80 [ 84.545236][ T5516] softirqs last enabled at (80634): [] local_bh_enable+0x10/0x34 [ 84.546787][ T5516] softirqs last disabled at (80632): [] local_bh_disable+0x10/0x34 [ 84.548351][ T5516] ---[ end trace 344ebf1a1b0344ac ]--- [ 84.552037][ T5516] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 84.553728][ T5516] BTRFS info (device loop0): forced readonly [ 84.554745][ T5516] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 84.556460][ T5516] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 84.558608][ T5516] BTRFS info (device loop0): balance: ended with status: -30 [ 84.700622][ T5538] loop0: detected capacity change from 0 to 32768 [ 84.748635][ T5538] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.41 (5538) [ 84.790903][ T5538] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 84.792511][ T5538] BTRFS info (device loop0): using free space tree [ 84.793687][ T5538] BTRFS info (device loop0): has skinny extents [ 84.801664][ T5538] BTRFS info (device loop0): enabling ssd optimizations [ 84.806648][ T5538] BTRFS info (device loop0): balance: start -s [ 84.808111][ T5538] ------------[ cut here ]------------ [ 84.809107][ T5538] WARNING: CPU: 1 PID: 5538 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 84.810866][ T5538] Modules linked in: [ 84.811497][ T5538] CPU: 1 PID: 5538 Comm: syz.0.41 Tainted: G W syzkaller #0 [ 84.812901][ T5538] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.814517][ T5538] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 84.815964][ T5538] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 84.817073][ T5538] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 84.818117][ T5538] sp : ffff800021cb7540 [ 84.818919][ T5538] x29: ffff800021cb7710 x28: ffff0000ca2fa9b0 x27: 1fffe0001bd68cfe [ 84.820331][ T5538] x26: 1fffe0001945f50b x25: ffff0000ca2fa850 x24: dfff800000000000 [ 84.821754][ T5538] x23: ffff0000deb467e8 x22: 1fffe0001945f50a x21: ffff0000ca2fa858 [ 84.823099][ T5538] x20: 00000000ffffffe4 x19: ffff0000db1359d0 x18: 0000000000000001 [ 84.824517][ T5538] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 84.825890][ T5538] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 84.827285][ T5538] x11: 0000000000000000 x10: 0000000000000000 x9 : f0865cc04d96d800 [ 84.828648][ T5538] x8 : f0865cc04d96d800 x7 : 0000000000000001 x6 : 0000000000000001 [ 84.830029][ T5538] x5 : ffff800021cb6e58 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 84.831324][ T5538] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 84.832640][ T5538] Call trace: [ 84.833220][ T5538] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 84.834294][ T5538] __btrfs_end_transaction+0x13c/0x5f0 [ 84.835226][ T5538] btrfs_end_transaction+0x24/0x34 [ 84.836039][ T5538] btrfs_inc_block_group_ro+0x4ec/0x558 [ 84.836941][ T5538] btrfs_relocate_block_group+0x2b8/0x8a4 [ 84.837925][ T5538] btrfs_relocate_chunk+0xb8/0x280 [ 84.838806][ T5538] __btrfs_balance+0x112c/0x1b9c [ 84.839608][ T5538] btrfs_balance+0xac8/0x113c [ 84.840453][ T5538] btrfs_ioctl_balance+0x4cc/0x658 [ 84.841322][ T5538] btrfs_ioctl+0x20c/0xa8c [ 84.842028][ T5538] __arm64_sys_ioctl+0x14c/0x1c8 [ 84.842890][ T5538] invoke_syscall+0x98/0x2b0 [ 84.843675][ T5538] el0_svc_common+0x138/0x258 [ 84.844475][ T5538] do_el0_svc+0x58/0x13c [ 84.845217][ T5538] el0_svc+0x78/0x1d0 [ 84.845890][ T5538] el0t_64_sync_handler+0xcc/0xe4 [ 84.846688][ T5538] el0t_64_sync+0x1a0/0x1a4 [ 84.847437][ T5538] irq event stamp: 80822 [ 84.848161][ T5538] hardirqs last enabled at (80821): [] __up_console_sem+0xb4/0xfc [ 84.849757][ T5538] hardirqs last disabled at (80822): [] el1_dbg+0x24/0x80 [ 84.851277][ T5538] softirqs last enabled at (80696): [] handle_softirqs+0xa40/0xbe4 [ 84.852863][ T5538] softirqs last disabled at (80683): [] __irq_exit_rcu+0x240/0x43c [ 84.854394][ T5538] ---[ end trace 344ebf1a1b0344ad ]--- [ 84.855703][ T5538] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 84.857657][ T5538] BTRFS info (device loop0): forced readonly [ 84.858629][ T5538] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 84.860368][ T5538] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 84.862271][ T5538] BTRFS info (device loop0): balance: ended with status: -30 [ 84.999116][ T5560] loop0: detected capacity change from 0 to 32768 [ 85.078705][ T5560] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.42 (5560) [ 85.122155][ T5560] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 85.123763][ T5560] BTRFS info (device loop0): using free space tree [ 85.124863][ T5560] BTRFS info (device loop0): has skinny extents [ 85.133931][ T5560] BTRFS info (device loop0): enabling ssd optimizations [ 85.140110][ T5560] BTRFS info (device loop0): balance: start -s [ 85.141574][ T5560] ------------[ cut here ]------------ [ 85.142519][ T5560] WARNING: CPU: 0 PID: 5560 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 85.144299][ T5560] Modules linked in: [ 85.144957][ T5560] CPU: 0 PID: 5560 Comm: syz.0.42 Tainted: G W syzkaller #0 [ 85.146532][ T5560] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 85.148300][ T5560] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 85.149582][ T5560] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 85.150740][ T5560] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 85.151843][ T5560] sp : ffff800021d67540 [ 85.152579][ T5560] x29: ffff800021d67710 x28: ffff0000d74051b0 x27: 1fffe0001bd59e0c [ 85.154053][ T5560] x26: 1fffe0001ae80a0b x25: ffff0000d7405050 x24: dfff800000000000 [ 85.155501][ T5560] x23: ffff0000deacf058 x22: 1fffe0001ae80a0a x21: ffff0000d7405058 [ 85.156949][ T5560] x20: 00000000ffffffe4 x19: ffff0000d9efd9d0 x18: 0000000000000001 [ 85.158384][ T5560] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 85.159739][ T5560] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 85.161090][ T5560] x11: 0000000000000000 x10: 0000000000000000 x9 : 885893f46b4efe00 [ 85.162438][ T5560] x8 : 885893f46b4efe00 x7 : 0000000000000001 x6 : 0000000000000001 [ 85.163854][ T5560] x5 : ffff800021d66e58 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 85.165177][ T5560] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 85.166528][ T5560] Call trace: [ 85.167026][ T5560] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 85.168033][ T5560] __btrfs_end_transaction+0x13c/0x5f0 [ 85.168934][ T5560] btrfs_end_transaction+0x24/0x34 [ 85.169778][ T5560] btrfs_inc_block_group_ro+0x4ec/0x558 [ 85.170690][ T5560] btrfs_relocate_block_group+0x2b8/0x8a4 [ 85.171676][ T5560] btrfs_relocate_chunk+0xb8/0x280 [ 85.172512][ T5560] __btrfs_balance+0x112c/0x1b9c [ 85.173299][ T5560] btrfs_balance+0xac8/0x113c [ 85.174100][ T5560] btrfs_ioctl_balance+0x4cc/0x658 [ 85.174961][ T5560] btrfs_ioctl+0x20c/0xa8c [ 85.175722][ T5560] __arm64_sys_ioctl+0x14c/0x1c8 [ 85.176528][ T5560] invoke_syscall+0x98/0x2b0 [ 85.177324][ T5560] el0_svc_common+0x138/0x258 [ 85.178075][ T5560] do_el0_svc+0x58/0x13c [ 85.178831][ T5560] el0_svc+0x78/0x1d0 [ 85.179474][ T5560] el0t_64_sync_handler+0xcc/0xe4 [ 85.180330][ T5560] el0t_64_sync+0x1a0/0x1a4 [ 85.181081][ T5560] irq event stamp: 80112 [ 85.181773][ T5560] hardirqs last enabled at (80111): [] __up_console_sem+0xb4/0xfc [ 85.183302][ T5560] hardirqs last disabled at (80112): [] el1_dbg+0x24/0x80 [ 85.184671][ T5560] softirqs last enabled at (79932): [] local_bh_enable+0x10/0x34 [ 85.186262][ T5560] softirqs last disabled at (79930): [] local_bh_disable+0x10/0x34 [ 85.187848][ T5560] ---[ end trace 344ebf1a1b0344ae ]--- [ 85.189238][ T5560] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 85.191040][ T5560] BTRFS info (device loop0): forced readonly [ 85.192161][ T5560] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 85.193993][ T5560] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 85.195752][ T5560] BTRFS info (device loop0): balance: ended with status: -30 [ 85.402103][ T5582] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.43 (5582) [ 85.405381][ T5582] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 85.406916][ T5582] BTRFS info (device loop0): using free space tree [ 85.408702][ T5582] BTRFS info (device loop0): has skinny extents [ 85.416715][ T5582] BTRFS info (device loop0): enabling ssd optimizations [ 85.422108][ T5582] BTRFS info (device loop0): balance: start -s [ 85.423441][ T5582] ------------[ cut here ]------------ [ 85.424539][ T5582] WARNING: CPU: 0 PID: 5582 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 85.426482][ T5582] Modules linked in: [ 85.427189][ T5582] CPU: 0 PID: 5582 Comm: syz.0.43 Tainted: G W syzkaller #0 [ 85.428571][ T5582] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 85.430290][ T5582] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 85.431604][ T5582] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 85.432767][ T5582] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 85.433890][ T5582] sp : ffff8000225f7540 [ 85.434631][ T5582] x29: ffff8000225f7710 x28: ffff0000d83ff1b0 x27: 1fffe0001bd59f2a [ 85.436026][ T5582] x26: 1fffe0001b07fe0b x25: ffff0000d83ff050 x24: dfff800000000000 [ 85.437368][ T5582] x23: ffff0000deacf948 x22: 1fffe0001b07fe0a x21: ffff0000d83ff058 [ 85.438791][ T5582] x20: 00000000ffffffe4 x19: ffff0000dc01d9d0 x18: 0000000000000001 [ 85.440231][ T5582] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 85.441506][ T5582] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 85.442898][ T5582] x11: 0000000000000000 x10: 0000000000000000 x9 : eeba647ffb29e900 [ 85.444170][ T5582] x8 : eeba647ffb29e900 x7 : 0000000000000001 x6 : 0000000000000001 [ 85.445601][ T5582] x5 : ffff8000225f6e58 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 85.446915][ T5582] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 85.448260][ T5582] Call trace: [ 85.448846][ T5582] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 85.449919][ T5582] __btrfs_end_transaction+0x13c/0x5f0 [ 85.450872][ T5582] btrfs_end_transaction+0x24/0x34 [ 85.451730][ T5582] btrfs_inc_block_group_ro+0x4ec/0x558 [ 85.452615][ T5582] btrfs_relocate_block_group+0x2b8/0x8a4 [ 85.453541][ T5582] btrfs_relocate_chunk+0xb8/0x280 [ 85.454415][ T5582] __btrfs_balance+0x112c/0x1b9c [ 85.455206][ T5582] btrfs_balance+0xac8/0x113c [ 85.456013][ T5582] btrfs_ioctl_balance+0x4cc/0x658 [ 85.456897][ T5582] btrfs_ioctl+0x20c/0xa8c [ 85.457677][ T5582] __arm64_sys_ioctl+0x14c/0x1c8 [ 85.458522][ T5582] invoke_syscall+0x98/0x2b0 [ 85.459283][ T5582] el0_svc_common+0x138/0x258 [ 85.460044][ T5582] do_el0_svc+0x58/0x13c [ 85.460770][ T5582] el0_svc+0x78/0x1d0 [ 85.461436][ T5582] el0t_64_sync_handler+0xcc/0xe4 [ 85.462239][ T5582] el0t_64_sync+0x1a0/0x1a4 [ 85.462911][ T5582] irq event stamp: 80790 [ 85.463602][ T5582] hardirqs last enabled at (80789): [] __up_console_sem+0xb4/0xfc [ 85.465345][ T5582] hardirqs last disabled at (80790): [] el1_dbg+0x24/0x80 [ 85.466838][ T5582] softirqs last enabled at (80598): [] local_bh_enable+0x10/0x34 [ 85.468452][ T5582] softirqs last disabled at (80596): [] local_bh_disable+0x10/0x34 [ 85.470028][ T5582] ---[ end trace 344ebf1a1b0344af ]--- [ 85.474106][ T5582] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 85.475943][ T5582] BTRFS info (device loop0): forced readonly [ 85.476930][ T5582] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 85.480340][ T5582] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 85.482207][ T5582] BTRFS info (device loop0): balance: ended with status: -30 [ 85.668564][ T5604] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.44 (5604) [ 85.720776][ T5604] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 85.722172][ T5604] BTRFS info (device loop0): using free space tree [ 85.723283][ T5604] BTRFS info (device loop0): has skinny extents [ 85.744348][ T5604] BTRFS info (device loop0): enabling ssd optimizations [ 85.750327][ T5604] BTRFS info (device loop0): balance: start -s [ 85.751755][ T5604] ------------[ cut here ]------------ [ 85.752779][ T5604] WARNING: CPU: 1 PID: 5604 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 85.754612][ T5604] Modules linked in: [ 85.755177][ T5604] CPU: 1 PID: 5604 Comm: syz.0.44 Tainted: G W syzkaller #0 [ 85.756650][ T5604] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 85.758451][ T5604] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 85.759811][ T5604] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 85.760977][ T5604] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 85.762194][ T5604] sp : ffff8000224d7540 [ 85.762954][ T5604] x29: ffff8000224d7710 x28: ffff0000ca7fe9b0 x27: 1fffe0001bd68c22 [ 85.764340][ T5604] x26: 1fffe000194ffd0b x25: ffff0000ca7fe850 x24: dfff800000000000 [ 85.765834][ T5604] x23: ffff0000deb46108 x22: 1fffe000194ffd0a x21: ffff0000ca7fe858 [ 85.767292][ T5604] x20: 00000000ffffffe4 x19: ffff0000dc01d9d0 x18: 0000000000000001 [ 85.768747][ T5604] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 85.770155][ T5604] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 85.771522][ T5604] x11: 0000000000000000 x10: 0000000000000000 x9 : f018d03503a34e00 [ 85.772879][ T5604] x8 : f018d03503a34e00 x7 : 0000000000000001 x6 : 0000000000000001 [ 85.774180][ T5604] x5 : ffff8000224d6e58 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 85.775561][ T5604] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 85.776951][ T5604] Call trace: [ 85.777535][ T5604] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 85.778665][ T5604] __btrfs_end_transaction+0x13c/0x5f0 [ 85.779577][ T5604] btrfs_end_transaction+0x24/0x34 [ 85.780504][ T5604] btrfs_inc_block_group_ro+0x4ec/0x558 [ 85.781382][ T5604] btrfs_relocate_block_group+0x2b8/0x8a4 [ 85.782328][ T5604] btrfs_relocate_chunk+0xb8/0x280 [ 85.783296][ T5604] __btrfs_balance+0x112c/0x1b9c [ 85.784156][ T5604] btrfs_balance+0xac8/0x113c [ 85.784938][ T5604] btrfs_ioctl_balance+0x4cc/0x658 [ 85.785780][ T5604] btrfs_ioctl+0x20c/0xa8c [ 85.786535][ T5604] __arm64_sys_ioctl+0x14c/0x1c8 [ 85.787387][ T5604] invoke_syscall+0x98/0x2b0 [ 85.788209][ T5604] el0_svc_common+0x138/0x258 [ 85.789030][ T5604] do_el0_svc+0x58/0x13c [ 85.789776][ T5604] el0_svc+0x78/0x1d0 [ 85.790431][ T5604] el0t_64_sync_handler+0xcc/0xe4 [ 85.791253][ T5604] el0t_64_sync+0x1a0/0x1a4 [ 85.792009][ T5604] irq event stamp: 81054 [ 85.792749][ T5604] hardirqs last enabled at (81053): [] __up_console_sem+0xb4/0xfc [ 85.794295][ T5604] hardirqs last disabled at (81054): [] el1_dbg+0x24/0x80 [ 85.795665][ T5604] softirqs last enabled at (80880): [] local_bh_enable+0x10/0x34 [ 85.797208][ T5604] softirqs last disabled at (80878): [] local_bh_disable+0x10/0x34 [ 85.798786][ T5604] ---[ end trace 344ebf1a1b0344b0 ]--- [ 85.800521][ T5604] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 85.802263][ T5604] BTRFS info (device loop0): forced readonly [ 85.803366][ T5604] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 85.805139][ T5604] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 85.807048][ T5604] BTRFS info (device loop0): balance: ended with status: -30 [ 86.032324][ T5625] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.45 (5625) [ 86.038139][ T5625] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 86.039793][ T5625] BTRFS info (device loop0): using free space tree [ 86.040948][ T5625] BTRFS info (device loop0): has skinny extents [ 86.053351][ T5625] BTRFS info (device loop0): enabling ssd optimizations [ 86.059661][ T5625] BTRFS info (device loop0): balance: start -s [ 86.061073][ T5625] ------------[ cut here ]------------ [ 86.062064][ T5625] WARNING: CPU: 0 PID: 5625 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 86.064046][ T5625] Modules linked in: [ 86.064710][ T5625] CPU: 0 PID: 5625 Comm: syz.0.45 Tainted: G W syzkaller #0 [ 86.066214][ T5625] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 86.067858][ T5625] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 86.069211][ T5625] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 86.070281][ T5625] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 86.071339][ T5625] sp : ffff8000227a7540 [ 86.072031][ T5625] x29: ffff8000227a7710 x28: ffff0000db7b89b0 x27: 1fffe0001bd59f6c [ 86.073352][ T5625] x26: 1fffe0001b6f710b x25: ffff0000db7b8850 x24: dfff800000000000 [ 86.074817][ T5625] x23: ffff0000deacfb58 x22: 1fffe0001b6f710a x21: ffff0000db7b8858 [ 86.076194][ T5625] x20: 00000000ffffffe4 x19: ffff0000dc01d9d0 x18: 0000000000000001 [ 86.077501][ T5625] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 86.078859][ T5625] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 86.080312][ T5625] x11: 0000000000000000 x10: 0000000000000000 x9 : 103b4c82d9c7da00 [ 86.081738][ T5625] x8 : 103b4c82d9c7da00 x7 : 0000000000000001 x6 : 0000000000000001 [ 86.083181][ T5625] x5 : ffff8000227a6e58 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 86.084600][ T5625] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 86.086020][ T5625] Call trace: [ 86.086653][ T5625] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 86.087725][ T5625] __btrfs_end_transaction+0x13c/0x5f0 [ 86.088662][ T5625] btrfs_end_transaction+0x24/0x34 [ 86.089556][ T5625] btrfs_inc_block_group_ro+0x4ec/0x558 [ 86.090501][ T5625] btrfs_relocate_block_group+0x2b8/0x8a4 [ 86.091491][ T5625] btrfs_relocate_chunk+0xb8/0x280 [ 86.092377][ T5625] __btrfs_balance+0x112c/0x1b9c [ 86.093184][ T5625] btrfs_balance+0xac8/0x113c [ 86.093946][ T5625] btrfs_ioctl_balance+0x4cc/0x658 [ 86.094830][ T5625] btrfs_ioctl+0x20c/0xa8c [ 86.095582][ T5625] __arm64_sys_ioctl+0x14c/0x1c8 [ 86.096416][ T5625] invoke_syscall+0x98/0x2b0 [ 86.097220][ T5625] el0_svc_common+0x138/0x258 [ 86.098001][ T5625] do_el0_svc+0x58/0x13c [ 86.098709][ T5625] el0_svc+0x78/0x1d0 [ 86.099361][ T5625] el0t_64_sync_handler+0xcc/0xe4 [ 86.100236][ T5625] el0t_64_sync+0x1a0/0x1a4 [ 86.100990][ T5625] irq event stamp: 80208 [ 86.101690][ T5625] hardirqs last enabled at (80207): [] __up_console_sem+0xb4/0xfc [ 86.103323][ T5625] hardirqs last disabled at (80208): [] el1_dbg+0x24/0x80 [ 86.104760][ T5625] softirqs last enabled at (80024): [] local_bh_enable+0x10/0x34 [ 86.106351][ T5625] softirqs last disabled at (80022): [] local_bh_disable+0x10/0x34 [ 86.108005][ T5625] ---[ end trace 344ebf1a1b0344b1 ]--- [ 86.109595][ T5625] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 86.111389][ T5625] BTRFS info (device loop0): forced readonly [ 86.112400][ T5625] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 86.114198][ T5625] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 86.115902][ T5625] BTRFS info (device loop0): balance: ended with status: -30 [ 86.263064][ T5647] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.46 (5647) [ 86.267418][ T5647] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 86.268916][ T5647] BTRFS info (device loop0): using free space tree [ 86.270082][ T5647] BTRFS info (device loop0): has skinny extents [ 86.277953][ T5647] BTRFS info (device loop0): enabling ssd optimizations [ 86.282429][ T5647] BTRFS info (device loop0): balance: start -s [ 86.283840][ T5647] ------------[ cut here ]------------ [ 86.284813][ T5647] WARNING: CPU: 0 PID: 5647 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 86.286603][ T5647] Modules linked in: [ 86.287211][ T5647] CPU: 0 PID: 5647 Comm: syz.0.46 Tainted: G W syzkaller #0 [ 86.288664][ T5647] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 86.290453][ T5647] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 86.291737][ T5647] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 86.292809][ T5647] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 86.293937][ T5647] sp : ffff800022857540 [ 86.294611][ T5647] x29: ffff800022857710 x28: ffff0000cdc3e9b0 x27: 1fffe0001bd59f98 [ 86.295938][ T5647] x26: 1fffe00019b87d0b x25: ffff0000cdc3e850 x24: dfff800000000000 [ 86.297286][ T5647] x23: ffff0000deacfcb8 x22: 1fffe00019b87d0a x21: ffff0000cdc3e858 [ 86.298657][ T5647] x20: 00000000ffffffe4 x19: ffff0000cd0459d0 x18: 0000000000000001 [ 86.300013][ T5647] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 86.301344][ T5647] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 86.302619][ T5647] x11: 0000000000000000 x10: 0000000000000000 x9 : 2a350c1703c21200 [ 86.303949][ T5647] x8 : 2a350c1703c21200 x7 : 0000000000000001 x6 : 0000000000000001 [ 86.305222][ T5647] x5 : ffff800022856e58 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 86.306600][ T5647] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 86.308002][ T5647] Call trace: [ 86.308607][ T5647] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 86.309751][ T5647] __btrfs_end_transaction+0x13c/0x5f0 [ 86.310710][ T5647] btrfs_end_transaction+0x24/0x34 [ 86.311572][ T5647] btrfs_inc_block_group_ro+0x4ec/0x558 [ 86.312572][ T5647] btrfs_relocate_block_group+0x2b8/0x8a4 [ 86.313472][ T5647] btrfs_relocate_chunk+0xb8/0x280 [ 86.314358][ T5647] __btrfs_balance+0x112c/0x1b9c [ 86.315136][ T5647] btrfs_balance+0xac8/0x113c [ 86.315904][ T5647] btrfs_ioctl_balance+0x4cc/0x658 [ 86.316763][ T5647] btrfs_ioctl+0x20c/0xa8c [ 86.317526][ T5647] __arm64_sys_ioctl+0x14c/0x1c8 [ 86.318355][ T5647] invoke_syscall+0x98/0x2b0 [ 86.319176][ T5647] el0_svc_common+0x138/0x258 [ 86.319969][ T5647] do_el0_svc+0x58/0x13c [ 86.320698][ T5647] el0_svc+0x78/0x1d0 [ 86.321360][ T5647] el0t_64_sync_handler+0xcc/0xe4 [ 86.322151][ T5647] el0t_64_sync+0x1a0/0x1a4 [ 86.322903][ T5647] irq event stamp: 80722 [ 86.323651][ T5647] hardirqs last enabled at (80721): [] __up_console_sem+0xb4/0xfc [ 86.325269][ T5647] hardirqs last disabled at (80722): [] el1_dbg+0x24/0x80 [ 86.326680][ T5647] softirqs last enabled at (80540): [] local_bh_enable+0x10/0x34 [ 86.328325][ T5647] softirqs last disabled at (80538): [] local_bh_disable+0x10/0x34 [ 86.329924][ T5647] ---[ end trace 344ebf1a1b0344b2 ]--- [ 86.333298][ T5647] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 86.335086][ T5647] BTRFS info (device loop0): forced readonly [ 86.336255][ T5647] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 86.338643][ T5647] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 86.340493][ T5647] BTRFS info (device loop0): balance: ended with status: -30 [ 86.509329][ T5669] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.47 (5669) [ 86.514218][ T5669] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 86.515636][ T5669] BTRFS info (device loop0): using free space tree [ 86.532448][ T5669] ------------[ cut here ]------------ [ 86.533525][ T5669] WARNING: CPU: 1 PID: 5669 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 86.535463][ T5669] Modules linked in: [ 86.536129][ T5669] CPU: 1 PID: 5669 Comm: syz.0.47 Tainted: G W syzkaller #0 [ 86.537645][ T5669] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 86.539348][ T5669] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 86.540725][ T5669] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 86.541884][ T5669] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 86.543070][ T5669] sp : ffff800022cb7540 [ 86.543768][ T5669] x29: ffff800022cb7710 x28: ffff0000d80519b0 x27: 1fffe0001bd68d6c [ 86.545196][ T5669] x26: 1fffe0001b00a30b x25: ffff0000d8051850 x24: dfff800000000000 [ 86.546612][ T5669] x23: ffff0000deb46b58 x22: 1fffe0001b00a30a x21: ffff0000d8051858 [ 86.547970][ T5669] x20: 00000000ffffffe4 x19: ffff0000d77dd9d0 x18: 0000000000000001 [ 86.549358][ T5669] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 86.550725][ T5669] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 86.552114][ T5669] x11: 0000000000000000 x10: 0000000000000000 x9 : aba1b1450d43f900 [ 86.553563][ T5669] x8 : aba1b1450d43f900 x7 : 0000000000000001 x6 : 0000000000000001 [ 86.554924][ T5669] x5 : ffff800022cb6e58 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 86.556355][ T5669] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 86.557717][ T5669] Call trace: [ 86.558257][ T5669] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 86.559295][ T5669] __btrfs_end_transaction+0x13c/0x5f0 [ 86.560239][ T5669] btrfs_end_transaction+0x24/0x34 [ 86.561163][ T5669] btrfs_inc_block_group_ro+0x4ec/0x558 [ 86.562162][ T5669] btrfs_relocate_block_group+0x2b8/0x8a4 [ 86.563172][ T5669] btrfs_relocate_chunk+0xb8/0x280 [ 86.564122][ T5669] __btrfs_balance+0x112c/0x1b9c [ 86.564925][ T5669] btrfs_balance+0xac8/0x113c [ 86.565727][ T5669] btrfs_ioctl_balance+0x4cc/0x658 [ 86.566670][ T5669] btrfs_ioctl+0x20c/0xa8c [ 86.567449][ T5669] __arm64_sys_ioctl+0x14c/0x1c8 [ 86.568268][ T5669] invoke_syscall+0x98/0x2b0 [ 86.569050][ T5669] el0_svc_common+0x138/0x258 [ 86.569944][ T5669] do_el0_svc+0x58/0x13c [ 86.570695][ T5669] el0_svc+0x78/0x1d0 [ 86.571339][ T5669] el0t_64_sync_handler+0xcc/0xe4 [ 86.572229][ T5669] el0t_64_sync+0x1a0/0x1a4 [ 86.573001][ T5669] irq event stamp: 80048 [ 86.573753][ T5669] hardirqs last enabled at (80047): [] __up_console_sem+0xb4/0xfc [ 86.575424][ T5669] hardirqs last disabled at (80048): [] el1_dbg+0x24/0x80 [ 86.576939][ T5669] softirqs last enabled at (79888): [] local_bh_enable+0x10/0x34 [ 86.578518][ T5669] softirqs last disabled at (79886): [] local_bh_disable+0x10/0x34 [ 86.580099][ T5669] ---[ end trace 344ebf1a1b0344b3 ]--- [ 86.581553][ T5669] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 86.583155][ T5669] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 86.584988][ T5669] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 86.735400][ T5691] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.48 (5691) [ 86.758486][ T5691] ------------[ cut here ]------------ [ 86.759532][ T5691] WARNING: CPU: 1 PID: 5691 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 86.761451][ T5691] Modules linked in: [ 86.762162][ T5691] CPU: 1 PID: 5691 Comm: syz.0.48 Tainted: G W syzkaller #0 [ 86.763658][ T5691] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 86.765366][ T5691] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 86.766616][ T5691] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 86.767743][ T5691] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 86.768872][ T5691] sp : ffff800022eb7540 [ 86.769517][ T5691] x29: ffff800022eb7710 x28: ffff0000d77751b0 x27: 1fffe0001bd68d98 [ 86.770823][ T5691] x26: 1fffe0001aeeea0b x25: ffff0000d7775050 x24: dfff800000000000 [ 86.772094][ T5691] x23: ffff0000deb46cb8 x22: 1fffe0001aeeea0a x21: ffff0000d7775058 [ 86.773441][ T5691] x20: 00000000ffffffe4 x19: ffff0000d229d9d0 x18: 0000000000000001 [ 86.774864][ T5691] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 86.776186][ T5691] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 86.777532][ T5691] x11: 0000000000000000 x10: 0000000000000000 x9 : e1be57f531ef5b00 [ 86.778883][ T5691] x8 : e1be57f531ef5b00 x7 : 0000000000000001 x6 : 0000000000000001 [ 86.780269][ T5691] x5 : ffff800022eb6e58 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 86.781566][ T5691] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 86.782835][ T5691] Call trace: [ 86.783398][ T5691] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 86.784504][ T5691] __btrfs_end_transaction+0x13c/0x5f0 [ 86.785385][ T5691] btrfs_end_transaction+0x24/0x34 [ 86.786274][ T5691] btrfs_inc_block_group_ro+0x4ec/0x558 [ 86.787168][ T5691] btrfs_relocate_block_group+0x2b8/0x8a4 [ 86.788199][ T5691] btrfs_relocate_chunk+0xb8/0x280 [ 86.789075][ T5691] __btrfs_balance+0x112c/0x1b9c [ 86.789984][ T5691] btrfs_balance+0xac8/0x113c [ 86.790788][ T5691] btrfs_ioctl_balance+0x4cc/0x658 [ 86.791600][ T5691] btrfs_ioctl+0x20c/0xa8c [ 86.792372][ T5691] __arm64_sys_ioctl+0x14c/0x1c8 [ 86.793204][ T5691] invoke_syscall+0x98/0x2b0 [ 86.794045][ T5691] el0_svc_common+0x138/0x258 [ 86.794834][ T5691] do_el0_svc+0x58/0x13c [ 86.795585][ T5691] el0_svc+0x78/0x1d0 [ 86.796243][ T5691] el0t_64_sync_handler+0xcc/0xe4 [ 86.797088][ T5691] el0t_64_sync+0x1a0/0x1a4 [ 86.797798][ T5691] irq event stamp: 81154 [ 86.798549][ T5691] hardirqs last enabled at (81153): [] __up_console_sem+0xb4/0xfc [ 86.800262][ T5691] hardirqs last disabled at (81154): [] el1_dbg+0x24/0x80 [ 86.801713][ T5691] softirqs last enabled at (80972): [] local_bh_enable+0x10/0x34 [ 86.803318][ T5691] softirqs last disabled at (80970): [] local_bh_disable+0x10/0x34 [ 86.804945][ T5691] ---[ end trace 344ebf1a1b0344b4 ]--- [ 86.807667][ T5691] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 86.809520][ T5691] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 86.811370][ T5691] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 87.021478][ T5713] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.49 (5713) [ 87.081114][ T5713] ------------[ cut here ]------------ [ 87.082112][ T5713] WARNING: CPU: 1 PID: 5713 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 87.084000][ T5713] Modules linked in: [ 87.084666][ T5713] CPU: 1 PID: 5713 Comm: syz.0.49 Tainted: G W syzkaller #0 [ 87.086114][ T5713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 87.087796][ T5713] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 87.089145][ T5713] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 87.090297][ T5713] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 87.091400][ T5713] sp : ffff800022cb7540 [ 87.092094][ T5713] x29: ffff800022cb7710 x28: ffff0000d7ee91b0 x27: 1fffe0001bd68dc4 [ 87.093429][ T5713] x26: 1fffe0001afdd20b x25: ffff0000d7ee9050 x24: dfff800000000000 [ 87.094855][ T5713] x23: ffff0000deb46e18 x22: 1fffe0001afdd20a x21: ffff0000d7ee9058 [ 87.096310][ T5713] x20: 00000000ffffffe4 x19: ffff0000d19559d0 x18: 0000000000000001 [ 87.097622][ T5713] x17: 0000000000000000 x16: ffff80001125f77c x15: 00000000ffffffff [ 87.098944][ T5713] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 87.100340][ T5713] x11: 0000000000000000 x10: 0000000000000000 x9 : f88528e6f209d700 [ 87.101723][ T5713] x8 : f88528e6f209d700 x7 : 0000000000000001 x6 : 0000000000000001 [ 87.103111][ T5713] x5 : ffff800022cb6e58 x4 : ffff80001437f3e0 x3 : ffff80000850932c [ 87.104497][ T5713] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 87.105907][ T5713] Call trace: [ 87.106498][ T5713] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 87.107633][ T5713] __btrfs_end_transaction+0x13c/0x5f0 [ 87.108585][ T5713] btrfs_end_transaction+0x24/0x34 [ 87.109451][ T5713] btrfs_inc_block_group_ro+0x4ec/0x558 [ 87.110473][ T5713] btrfs_relocate_block_group+0x2b8/0x8a4 [ 87.111476][ T5713] btrfs_relocate_chunk+0xb8/0x280 [ 87.112349][ T5713] __btrfs_balance+0x112c/0x1b9c [ 87.113163][ T5713] btrfs_balance+0xac8/0x113c [ 87.113934][ T5713] btrfs_ioctl_balance+0x4cc/0x658 [ 87.114897][ T5713] btrfs_ioctl+0x20c/0xa8c [ 87.115711][ T5713] __arm64_sys_ioctl+0x14c/0x1c8 [ 87.116536][ T5713] invoke_syscall+0x98/0x2b0 [ 87.117314][ T5713] el0_svc_common+0x138/0x258 [ 87.118134][ T5713] do_el0_svc+0x58/0x13c [ 87.118865][ T5713] el0_svc+0x78/0x1d0 [ 87.119575][ T5713] el0t_64_sync_handler+0xcc/0xe4 [ 87.120473][ T5713] el0t_64_sync+0x1a0/0x1a4 [ 87.121271][ T5713] irq event stamp: 81744 [ 87.121993][ T5713] hardirqs last enabled at (81743): [] __up_console_sem+0xb4/0xfc [ 87.123681][ T5713] hardirqs last disabled at (81744): [] el1_dbg+0x24/0x80 [ 87.125230][ T5713] softirqs last enabled at (81580): [] local_bh_enable+0x10/0x34 [ 87.126826][ T5713] softirqs last disabled at (81578): [] local_bh_disable+0x10/0x34 [ 87.128424][ T5713] ---[ end trace 344ebf1a1b0344b5 ]--- [ 87.129957][ T5713] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 87.132564][ T5713] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 87.134405][ T5713] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left