Warning: Permanently added '10.128.1.209' (ED25519) to the list of known hosts. 1970/01/01 00:01:06 parsed 1 programs [ 68.121868][ T4524] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 69.610261][ T1541] cfg80211: failed to load regulatory.db [ 69.629504][ T2066] ieee802154 phy0 wpan0: encryption failed: -22 [ 69.630616][ T2066] ieee802154 phy1 wpan1: encryption failed: -22 [ 70.293076][ T4538] chnl_net:caif_netlink_parms(): no params data found [ 70.308831][ T4538] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.310153][ T4538] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.311598][ T4538] device bridge_slave_0 entered promiscuous mode [ 70.313848][ T4538] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.314886][ T4538] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.316384][ T4538] device bridge_slave_1 entered promiscuous mode [ 70.326221][ T4538] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.328637][ T4538] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.337519][ T4538] team0: Port device team_slave_0 added [ 70.339212][ T4538] team0: Port device team_slave_1 added [ 70.345274][ T4538] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 70.346309][ T4538] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 70.350396][ T4538] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 70.352545][ T4538] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 70.353621][ T4538] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 70.357667][ T4538] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 70.410257][ T4538] device hsr_slave_0 entered promiscuous mode [ 70.449389][ T4538] device hsr_slave_1 entered promiscuous mode [ 71.032131][ T4538] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 71.061202][ T4538] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 71.102244][ T4538] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 71.140455][ T4538] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 71.190143][ T4538] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.191266][ T4538] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.192441][ T4538] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.193615][ T4538] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.211251][ T4538] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.215287][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.217093][ T148] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.218599][ T148] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.221153][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 71.270703][ T4538] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.274107][ T295] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.275572][ T295] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.276568][ T295] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.280377][ T295] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.282035][ T295] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.283047][ T295] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.285997][ T295] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.289387][ T295] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.302244][ T295] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.304559][ T295] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.306104][ T295] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.307679][ T295] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.310447][ T295] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.314384][ T4538] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 71.315946][ T4538] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 71.320398][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.322007][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.323601][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.324974][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.326600][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.413214][ T4538] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.425926][ T295] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.427145][ T295] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.428225][ T295] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 71.430381][ T295] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 71.440923][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 71.442448][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 71.444176][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 71.445469][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 71.449714][ T4538] device veth0_vlan entered promiscuous mode [ 71.461511][ T4538] device veth1_vlan entered promiscuous mode [ 71.480474][ T295] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 71.482010][ T295] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 71.483343][ T295] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 71.484766][ T295] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 71.487053][ T4538] device veth0_macvtap entered promiscuous mode [ 71.491747][ T4538] device veth1_macvtap entered promiscuous mode [ 71.503592][ T4538] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 71.504749][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 71.506325][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 71.507663][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 71.510671][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 71.521137][ T4538] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 71.522400][ T295] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 71.523908][ T295] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 71.526529][ T4538] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.527819][ T4538] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.529268][ T4538] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.530546][ T4538] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.233876][ T9] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 72.260847][ T295] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 72.262124][ T295] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 72.263725][ T295] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 72.276568][ T295] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 72.277745][ T295] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 72.280932][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 74.641997][ T9] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 77.292337][ T9] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 77.332824][ T9] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:01:18 executed programs: 0 [ 78.164246][ T5013] chnl_net:caif_netlink_parms(): no params data found [ 78.202292][ T5013] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.203404][ T5013] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.205084][ T5013] device bridge_slave_0 entered promiscuous mode [ 78.208483][ T5013] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.211208][ T5013] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.212877][ T5013] device bridge_slave_1 entered promiscuous mode [ 78.221866][ T5013] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 78.226091][ T5013] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 78.234612][ T5013] team0: Port device team_slave_0 added [ 78.236583][ T5013] team0: Port device team_slave_1 added [ 78.244180][ T5013] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 78.245240][ T5013] 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. [ 78.249628][ T5013] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 78.252209][ T5013] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 78.253295][ T5013] 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. [ 78.257387][ T5013] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 78.300493][ T5013] device hsr_slave_0 entered promiscuous mode [ 78.339392][ T5013] device hsr_slave_1 entered promiscuous mode [ 78.389272][ T5013] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 78.390416][ T5013] Cannot create hsr debugfs directory [ 78.863555][ T5013] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 78.910273][ T5013] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 78.950379][ T5013] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 78.990406][ T5013] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 79.047247][ T5013] bridge0: port 2(bridge_slave_1) entered blocking state [ 79.048315][ T5013] bridge0: port 2(bridge_slave_1) entered forwarding state [ 79.049659][ T5013] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.050761][ T5013] bridge0: port 1(bridge_slave_0) entered forwarding state [ 79.069071][ T5013] 8021q: adding VLAN 0 to HW filter on device bond0 [ 79.073886][ T580] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 79.075604][ T580] bridge0: port 1(bridge_slave_0) entered disabled state [ 79.077140][ T580] bridge0: port 2(bridge_slave_1) entered disabled state [ 79.078969][ T580] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 79.084625][ T5013] 8021q: adding VLAN 0 to HW filter on device team0 [ 79.087668][ T295] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 79.089140][ T295] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.090282][ T295] bridge0: port 1(bridge_slave_0) entered forwarding state [ 79.097428][ T295] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 79.098991][ T295] bridge0: port 2(bridge_slave_1) entered blocking state [ 79.100161][ T295] bridge0: port 2(bridge_slave_1) entered forwarding state [ 79.108282][ T580] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 79.112308][ T580] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 79.114115][ T580] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 79.117161][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 79.121587][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 79.124430][ T5013] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 79.167136][ T5013] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 79.176620][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 79.177958][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 79.184976][ T295] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 79.186710][ T295] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 79.193742][ T5013] device veth0_vlan entered promiscuous mode [ 79.196882][ T5013] device veth1_vlan entered promiscuous mode [ 79.200564][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 79.202119][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 79.203566][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 79.204901][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 79.206357][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 79.207721][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 79.215374][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 79.216880][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 79.219123][ T5013] device veth0_macvtap entered promiscuous mode [ 79.222825][ T5013] device veth1_macvtap entered promiscuous mode [ 79.228124][ T5013] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 79.231936][ T5013] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 79.234217][ T5013] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 79.235604][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 79.237137][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 79.238493][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 79.240978][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 79.243921][ T5013] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 79.245543][ T5013] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 79.247712][ T5013] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 79.249523][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 79.251117][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 79.253771][ T5013] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.255118][ T5013] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.256459][ T5013] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.257765][ T5013] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.297083][ T580] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 79.298373][ T580] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 79.300830][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 79.302014][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 79.303595][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 79.305720][ T580] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 79.441323][ T5129] loop0: detected capacity change from 0 to 32768 [ 79.483855][ T5129] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.16 (5129) [ 79.489994][ T5129] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 79.491324][ T5129] BTRFS info (device loop0): using free space tree [ 79.492501][ T5129] BTRFS info (device loop0): has skinny extents [ 79.555732][ T5129] BTRFS info (device loop0): enabling ssd optimizations [ 79.575280][ T5129] BTRFS info (device loop0): balance: start -s [ 79.577466][ T5129] ------------[ cut here ]------------ [ 79.578508][ T5129] WARNING: CPU: 0 PID: 5129 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0x9e8/0xca8 [ 79.580357][ T5129] Modules linked in: [ 79.580983][ T5129] CPU: 0 PID: 5129 Comm: syz.0.16 Not tainted syzkaller #0 [ 79.582156][ T5129] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.583571][ T5129] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.584813][ T5129] pc : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 79.585855][ T5129] lr : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 79.586909][ T5129] sp : ffff80001ffc7540 [ 79.587578][ T5129] x29: ffff80001ffc7710 x28: ffff0000cbdfd058 x27: ffff0000de5a9110 [ 79.588758][ T5129] x26: ffff0000de5a9108 x25: ffff0000cbdfd050 x24: dfff800000000000 [ 79.589967][ T5129] x23: ffff0000cbdfd1b0 x22: 1fffe000197bfa0b x21: 1fffe000197bfa0a [ 79.591165][ T5129] x20: 00000000ffffffe4 x19: ffff0000d91319d0 x18: 0000000000000001 [ 79.592342][ T5129] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 79.593548][ T5129] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 79.594768][ T5129] x11: 0000000000000000 x10: 0000000000000000 x9 : 33564e6a7d4b3100 [ 79.595972][ T5129] x8 : 33564e6a7d4b3100 x7 : 0000000000000001 x6 : 0000000000000001 [ 79.597175][ T5129] x5 : ffff80001ffc6e38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 79.598330][ T5129] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 79.599658][ T5129] Call trace: [ 79.600184][ T5129] btrfs_create_pending_block_groups+0x9e8/0xca8 [ 79.601159][ T5129] __btrfs_end_transaction+0x13c/0x608 [ 79.602016][ T5129] btrfs_end_transaction+0x24/0x34 [ 79.602772][ T5129] btrfs_inc_block_group_ro+0x4ec/0x558 [ 79.603593][ T5129] btrfs_relocate_block_group+0x2b8/0x8a4 [ 79.604505][ T5129] btrfs_relocate_chunk+0xb8/0x280 [ 79.605381][ T5129] __btrfs_balance+0x1170/0x1ba4 [ 79.606204][ T5129] btrfs_balance+0xac4/0x1138 [ 79.606991][ T5129] btrfs_ioctl_balance+0x4cc/0x658 [ 79.607868][ T5129] btrfs_ioctl+0x8d0/0xb38 [ 79.608530][ T5129] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.609260][ T5129] invoke_syscall+0x98/0x2b8 [ 79.609906][ T5129] el0_svc_common+0x138/0x258 [ 79.610598][ T5129] do_el0_svc+0x58/0x14c [ 79.611214][ T5129] el0_svc+0x78/0x1e0 [ 79.611752][ T5129] el0t_64_sync_handler+0xcc/0xe4 [ 79.612487][ T5129] el0t_64_sync+0x1a0/0x1a4 [ 79.613120][ T5129] irq event stamp: 81192 [ 79.613755][ T5129] hardirqs last enabled at (81191): [] __up_console_sem+0xb4/0x100 [ 79.615149][ T5129] hardirqs last disabled at (81192): [] el1_dbg+0x24/0x80 [ 79.616384][ T5129] softirqs last enabled at (80918): [] local_bh_enable+0x10/0x34 [ 79.617769][ T5129] softirqs last disabled at (80916): [] local_bh_disable+0x10/0x34 [ 79.619104][ T5129] ---[ end trace 2342c250da4a9d91 ]--- [ 79.622120][ T5129] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 79.624158][ T5129] BTRFS info (device loop0): forced readonly [ 79.625403][ T5129] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 79.627128][ T5129] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 79.629057][ T5129] BTRFS info (device loop0): balance: ended with status: -30 [ 79.835192][ T5190] loop0: detected capacity change from 0 to 32768 [ 79.865240][ T5190] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.17 (5190) [ 79.870675][ T5190] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 79.871994][ T5190] BTRFS info (device loop0): using free space tree [ 79.873046][ T5190] BTRFS info (device loop0): has skinny extents [ 79.881178][ T5190] BTRFS info (device loop0): enabling ssd optimizations [ 79.886641][ T5190] BTRFS info (device loop0): balance: start -s [ 79.888653][ T5190] ------------[ cut here ]------------ [ 79.890354][ T5190] WARNING: CPU: 0 PID: 5190 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0x9e8/0xca8 [ 79.892014][ T5190] Modules linked in: [ 79.892589][ T5190] CPU: 0 PID: 5190 Comm: syz.0.17 Tainted: G W syzkaller #0 [ 79.893950][ T5190] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.895545][ T5190] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.896789][ T5190] pc : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 79.897944][ T5190] lr : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 79.899032][ T5190] sp : ffff80001ffc7540 [ 79.899783][ T5190] x29: ffff80001ffc7710 x28: ffff0000cf208858 x27: ffff0000de5a9270 [ 79.901081][ T5190] x26: ffff0000de5a9268 x25: ffff0000cf208850 x24: dfff800000000000 [ 79.902368][ T5190] x23: ffff0000cf2089b0 x22: 1fffe00019e4110b x21: 1fffe00019e4110a [ 79.903641][ T5190] x20: 00000000ffffffe4 x19: ffff0000d91319d0 x18: 0000000000000001 [ 79.904901][ T5190] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 79.906150][ T5190] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 79.907293][ T5190] x11: 0000000000000000 x10: 0000000000000000 x9 : aba04dfcf1d1a400 [ 79.908621][ T5190] x8 : aba04dfcf1d1a400 x7 : 0000000000000001 x6 : 0000000000000001 [ 79.909949][ T5190] x5 : ffff80001ffc6e38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 79.911206][ T5190] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 79.912508][ T5190] Call trace: [ 79.913007][ T5190] btrfs_create_pending_block_groups+0x9e8/0xca8 [ 79.913972][ T5190] __btrfs_end_transaction+0x13c/0x608 [ 79.914763][ T5190] btrfs_end_transaction+0x24/0x34 [ 79.915547][ T5190] btrfs_inc_block_group_ro+0x4ec/0x558 [ 79.916362][ T5190] btrfs_relocate_block_group+0x2b8/0x8a4 [ 79.917235][ T5190] btrfs_relocate_chunk+0xb8/0x280 [ 79.918067][ T5190] __btrfs_balance+0x1170/0x1ba4 [ 79.918834][ T5190] btrfs_balance+0xac4/0x1138 [ 79.919553][ T5190] btrfs_ioctl_balance+0x4cc/0x658 [ 79.920261][ T5190] btrfs_ioctl+0x8d0/0xb38 [ 79.920909][ T5190] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.921614][ T5190] invoke_syscall+0x98/0x2b8 [ 79.922279][ T5190] el0_svc_common+0x138/0x258 [ 79.922977][ T5190] do_el0_svc+0x58/0x14c [ 79.923675][ T5190] el0_svc+0x78/0x1e0 [ 79.924324][ T5190] el0t_64_sync_handler+0xcc/0xe4 [ 79.925083][ T5190] el0t_64_sync+0x1a0/0x1a4 [ 79.925764][ T5190] irq event stamp: 80114 [ 79.926360][ T5190] hardirqs last enabled at (80113): [] __up_console_sem+0xb4/0x100 [ 79.927755][ T5190] hardirqs last disabled at (80114): [] el1_dbg+0x24/0x80 [ 79.928995][ T5190] softirqs last enabled at (80102): [] handle_softirqs+0xa4c/0xbf0 [ 79.930570][ T5190] softirqs last disabled at (80093): [] __irq_exit_rcu+0x240/0x440 [ 79.932266][ T5190] ---[ end trace 2342c250da4a9d92 ]--- [ 79.935254][ T5190] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 79.936868][ T5190] BTRFS info (device loop0): forced readonly [ 79.937900][ T5190] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 79.940225][ T5190] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 79.942711][ T5190] BTRFS info (device loop0): balance: ended with status: -30 [ 80.082049][ T5224] loop0: detected capacity change from 0 to 32768 [ 80.169519][ T1970] Bluetooth: hci0: command 0x0409 tx timeout [ 80.172299][ T5224] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.18 (5224) [ 80.175847][ T5224] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 80.177300][ T5224] BTRFS info (device loop0): using free space tree [ 80.178288][ T5224] BTRFS info (device loop0): has skinny extents [ 80.187268][ T5224] BTRFS info (device loop0): enabling ssd optimizations [ 80.193655][ T5224] BTRFS info (device loop0): balance: start -s [ 80.194845][ T5224] ------------[ cut here ]------------ [ 80.195822][ T5224] WARNING: CPU: 1 PID: 5224 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0x9e8/0xca8 [ 80.197575][ T5224] Modules linked in: [ 80.198180][ T5224] CPU: 1 PID: 5224 Comm: syz.0.18 Tainted: G W syzkaller #0 [ 80.199447][ T5224] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.200998][ T5224] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 80.202154][ T5224] pc : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 80.203142][ T5224] lr : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 80.204125][ T5224] sp : ffff800020277540 [ 80.204774][ T5224] x29: ffff800020277710 x28: ffff0000e91f9858 x27: ffff0000de53b110 [ 80.205949][ T5224] x26: ffff0000de53b108 x25: ffff0000e91f9850 x24: dfff800000000000 [ 80.207089][ T5224] x23: ffff0000e91f99b0 x22: 1fffe0001d23f30b x21: 1fffe0001d23f30a [ 80.208252][ T5224] x20: 00000000ffffffe4 x19: ffff0000dd3b19d0 x18: 0000000000000001 [ 80.209525][ T5224] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 80.210730][ T5224] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 80.212023][ T5224] x11: 0000000000000000 x10: 0000000000000000 x9 : 7b8d71f4de990a00 [ 80.213283][ T5224] x8 : 7b8d71f4de990a00 x7 : 0000000000000001 x6 : 0000000000000001 [ 80.214615][ T5224] x5 : ffff800020276e38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 80.215814][ T5224] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 80.217050][ T5224] Call trace: [ 80.217623][ T5224] btrfs_create_pending_block_groups+0x9e8/0xca8 [ 80.218665][ T5224] __btrfs_end_transaction+0x13c/0x608 [ 80.219576][ T5224] btrfs_end_transaction+0x24/0x34 [ 80.220371][ T5224] btrfs_inc_block_group_ro+0x4ec/0x558 [ 80.221284][ T5224] btrfs_relocate_block_group+0x2b8/0x8a4 [ 80.222171][ T5224] btrfs_relocate_chunk+0xb8/0x280 [ 80.222944][ T5224] __btrfs_balance+0x1170/0x1ba4 [ 80.223646][ T5224] btrfs_balance+0xac4/0x1138 [ 80.224371][ T5224] btrfs_ioctl_balance+0x4cc/0x658 [ 80.225099][ T5224] btrfs_ioctl+0x8d0/0xb38 [ 80.225752][ T5224] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.226495][ T5224] invoke_syscall+0x98/0x2b8 [ 80.227183][ T5224] el0_svc_common+0x138/0x258 [ 80.227854][ T5224] do_el0_svc+0x58/0x14c [ 80.228526][ T5224] el0_svc+0x78/0x1e0 [ 80.229128][ T5224] el0t_64_sync_handler+0xcc/0xe4 [ 80.229864][ T5224] el0t_64_sync+0x1a0/0x1a4 [ 80.230564][ T5224] irq event stamp: 79258 [ 80.231165][ T5224] hardirqs last enabled at (79257): [] __up_console_sem+0xb4/0x100 [ 80.232520][ T5224] hardirqs last disabled at (79258): [] el1_dbg+0x24/0x80 [ 80.233762][ T5224] softirqs last enabled at (79114): [] local_bh_enable+0x10/0x34 [ 80.235257][ T5224] softirqs last disabled at (79112): [] local_bh_disable+0x10/0x34 [ 80.236554][ T5224] ---[ end trace 2342c250da4a9d93 ]--- [ 80.237746][ T5224] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 80.239520][ T5224] BTRFS info (device loop0): forced readonly [ 80.240534][ T5224] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 80.242163][ T5224] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 80.243768][ T5224] BTRFS info (device loop0): balance: ended with status: -30 [ 80.389130][ T5246] loop0: detected capacity change from 0 to 32768 [ 80.394958][ T5246] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.19 (5246) [ 80.398187][ T5246] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 80.399463][ T5246] BTRFS info (device loop0): using free space tree [ 80.400410][ T5246] BTRFS info (device loop0): has skinny extents [ 80.415242][ T5246] BTRFS info (device loop0): enabling ssd optimizations [ 80.416733][ T9] device hsr_slave_0 left promiscuous mode [ 80.421494][ T5246] BTRFS info (device loop0): balance: start -s [ 80.422856][ T5246] ------------[ cut here ]------------ [ 80.423889][ T5246] WARNING: CPU: 0 PID: 5246 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0x9e8/0xca8 [ 80.425641][ T5246] Modules linked in: [ 80.426239][ T5246] CPU: 0 PID: 5246 Comm: syz.0.19 Tainted: G W syzkaller #0 [ 80.427484][ T5246] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.428809][ T5246] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 80.430020][ T5246] pc : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 80.431014][ T5246] lr : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 80.431946][ T5246] sp : ffff800020277540 [ 80.432527][ T5246] x29: ffff800020277710 x28: ffff0000d5021058 x27: ffff0000de5a93d0 [ 80.433846][ T5246] x26: ffff0000de5a93c8 x25: ffff0000d5021050 x24: dfff800000000000 [ 80.435163][ T5246] x23: ffff0000d50211b0 x22: 1fffe0001aa0420b x21: 1fffe0001aa0420a [ 80.436463][ T5246] x20: 00000000ffffffe4 x19: ffff0000d818d9d0 x18: 0000000000000001 [ 80.437705][ T5246] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 80.438976][ T5246] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 80.440203][ T5246] x11: 0000000000000000 x10: 0000000000000000 x9 : b4436f96f61c8700 [ 80.441411][ T5246] x8 : b4436f96f61c8700 x7 : 0000000000000001 x6 : 0000000000000001 [ 80.442605][ T5246] x5 : ffff800020276e38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 80.443988][ T5246] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 80.445231][ T5246] Call trace: [ 80.445768][ T5246] btrfs_create_pending_block_groups+0x9e8/0xca8 [ 80.446882][ T5246] __btrfs_end_transaction+0x13c/0x608 [ 80.447680][ T5246] btrfs_end_transaction+0x24/0x34 [ 80.448444][ T5246] btrfs_inc_block_group_ro+0x4ec/0x558 [ 80.449360][ T5246] btrfs_relocate_block_group+0x2b8/0x8a4 [ 80.450251][ T5246] btrfs_relocate_chunk+0xb8/0x280 [ 80.450985][ T5246] __btrfs_balance+0x1170/0x1ba4 [ 80.451701][ T5246] btrfs_balance+0xac4/0x1138 [ 80.452363][ T5246] btrfs_ioctl_balance+0x4cc/0x658 [ 80.453176][ T5246] btrfs_ioctl+0x8d0/0xb38 [ 80.453857][ T5246] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.454577][ T5246] invoke_syscall+0x98/0x2b8 [ 80.455276][ T5246] el0_svc_common+0x138/0x258 [ 80.455960][ T5246] do_el0_svc+0x58/0x14c [ 80.456638][ T5246] el0_svc+0x78/0x1e0 [ 80.457203][ T5246] el0t_64_sync_handler+0xcc/0xe4 [ 80.457988][ T5246] el0t_64_sync+0x1a0/0x1a4 [ 80.458658][ T5246] irq event stamp: 79308 [ 80.459272][ T5246] hardirqs last enabled at (79307): [] __up_console_sem+0xb4/0x100 [ 80.460728][ T5246] hardirqs last disabled at (79308): [] el1_dbg+0x24/0x80 [ 80.461965][ T5246] softirqs last enabled at (79168): [] local_bh_enable+0x10/0x34 [ 80.463344][ T5246] softirqs last disabled at (79166): [] local_bh_disable+0x10/0x34 [ 80.464708][ T5246] ---[ end trace 2342c250da4a9d94 ]--- [ 80.466649][ T9] device hsr_slave_1 left promiscuous mode [ 80.468532][ T5246] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 80.470275][ T5246] BTRFS info (device loop0): forced readonly [ 80.471266][ T5246] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 80.473048][ T5246] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 80.474749][ T5246] BTRFS info (device loop0): balance: ended with status: -30 [ 80.539282][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 80.540513][ T9] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 80.542146][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 80.543318][ T9] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 80.544738][ T9] device bridge_slave_1 left promiscuous mode [ 80.545639][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 80.581386][ T9] device bridge_slave_0 left promiscuous mode [ 80.582444][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 80.623254][ T5268] loop0: detected capacity change from 0 to 32768 [ 80.709295][ T5268] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.20 (5268) [ 80.713821][ T5268] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 80.715128][ T5268] BTRFS info (device loop0): using free space tree [ 80.716144][ T5268] BTRFS info (device loop0): has skinny extents [ 80.719605][ T9] device veth1_macvtap left promiscuous mode [ 80.720535][ T9] device veth0_macvtap left promiscuous mode [ 80.721479][ T9] device veth1_vlan left promiscuous mode [ 80.722345][ T9] device veth0_vlan left promiscuous mode [ 80.792983][ T5268] BTRFS info (device loop0): enabling ssd optimizations [ 80.798061][ T5268] BTRFS info (device loop0): balance: start -s [ 80.799888][ T5268] ------------[ cut here ]------------ [ 80.800928][ T5268] WARNING: CPU: 0 PID: 5268 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0x9e8/0xca8 [ 80.802622][ T5268] Modules linked in: [ 80.803176][ T5268] CPU: 0 PID: 5268 Comm: syz.0.20 Tainted: G W syzkaller #0 [ 80.804599][ T5268] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.806230][ T5268] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 80.807456][ T5268] pc : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 80.808461][ T5268] lr : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 80.809465][ T5268] sp : ffff800020477540 [ 80.810028][ T5268] x29: ffff800020477710 x28: ffff0000d528c858 x27: ffff0000de5a9530 [ 80.811192][ T5268] x26: ffff0000de5a9528 x25: ffff0000d528c850 x24: dfff800000000000 [ 80.812316][ T5268] x23: ffff0000d528c9b0 x22: 1fffe0001aa5190b x21: 1fffe0001aa5190a [ 80.813458][ T5268] x20: 00000000ffffffe4 x19: ffff0000c82299d0 x18: 0000000000000001 [ 80.814683][ T5268] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 80.815815][ T5268] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 80.817088][ T5268] x11: 0000000000000000 x10: 0000000000000000 x9 : b73eaf95d2493f00 [ 80.818285][ T5268] x8 : b73eaf95d2493f00 x7 : 0000000000000001 x6 : 0000000000000001 [ 80.819541][ T5268] x5 : ffff800020476e38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 80.820749][ T5268] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 80.822009][ T5268] Call trace: [ 80.822506][ T5268] btrfs_create_pending_block_groups+0x9e8/0xca8 [ 80.823427][ T5268] __btrfs_end_transaction+0x13c/0x608 [ 80.824161][ T5268] btrfs_end_transaction+0x24/0x34 [ 80.824939][ T5268] btrfs_inc_block_group_ro+0x4ec/0x558 [ 80.825879][ T5268] btrfs_relocate_block_group+0x2b8/0x8a4 [ 80.826821][ T5268] btrfs_relocate_chunk+0xb8/0x280 [ 80.827603][ T5268] __btrfs_balance+0x1170/0x1ba4 [ 80.828387][ T5268] btrfs_balance+0xac4/0x1138 [ 80.829067][ T5268] btrfs_ioctl_balance+0x4cc/0x658 [ 80.829865][ T5268] btrfs_ioctl+0x8d0/0xb38 [ 80.830521][ T5268] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.831266][ T5268] invoke_syscall+0x98/0x2b8 [ 80.831891][ T5268] el0_svc_common+0x138/0x258 [ 80.832536][ T5268] do_el0_svc+0x58/0x14c [ 80.833267][ T5268] el0_svc+0x78/0x1e0 [ 80.833901][ T5268] el0t_64_sync_handler+0xcc/0xe4 [ 80.834712][ T5268] el0t_64_sync+0x1a0/0x1a4 [ 80.835433][ T5268] irq event stamp: 80162 [ 80.836025][ T5268] hardirqs last enabled at (80161): [] __up_console_sem+0xb4/0x100 [ 80.837518][ T5268] hardirqs last disabled at (80162): [] el1_dbg+0x24/0x80 [ 80.838825][ T5268] softirqs last enabled at (80106): [] handle_softirqs+0xa4c/0xbf0 [ 80.840427][ T5268] softirqs last disabled at (80071): [] __irq_exit_rcu+0x240/0x440 [ 80.841983][ T5268] ---[ end trace 2342c250da4a9d95 ]--- [ 80.844173][ T5268] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 80.846629][ T5268] BTRFS info (device loop0): forced readonly [ 80.847923][ T5268] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 80.849814][ T5268] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 80.851544][ T5268] BTRFS info (device loop0): balance: ended with status: -30 [ 80.890582][ T9] team0 (unregistering): Port device team_slave_1 removed [ 80.894878][ T9] team0 (unregistering): Port device team_slave_0 removed [ 80.898588][ T9] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 80.932460][ T9] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 81.035714][ T5298] loop0: detected capacity change from 0 to 32768 [ 81.052582][ T9] bond0 (unregistering): Released all slaves [ 81.061817][ T5298] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.21 (5298) [ 81.064777][ T5298] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 81.066119][ T5298] BTRFS info (device loop0): using free space tree [ 81.067108][ T5298] BTRFS info (device loop0): has skinny extents [ 81.075260][ T5298] BTRFS info (device loop0): enabling ssd optimizations [ 81.081247][ T5298] BTRFS info (device loop0): balance: start -s [ 81.082572][ T5298] ------------[ cut here ]------------ [ 81.083595][ T5298] WARNING: CPU: 1 PID: 5298 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0x9e8/0xca8 [ 81.085397][ T5298] Modules linked in: [ 81.085995][ T5298] CPU: 1 PID: 5298 Comm: syz.0.21 Tainted: G W syzkaller #0 [ 81.087222][ T5298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.088743][ T5298] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 81.089841][ T5298] pc : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 81.090853][ T5298] lr : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 81.091869][ T5298] sp : ffff800020607540 [ 81.092437][ T5298] x29: ffff800020607710 x28: ffff0000d863a058 x27: ffff0000de53b270 [ 81.093581][ T5298] x26: ffff0000de53b268 x25: ffff0000d863a050 x24: dfff800000000000 [ 81.094751][ T5298] x23: ffff0000d863a1b0 x22: 1fffe0001b0c740b x21: 1fffe0001b0c740a [ 81.095857][ T5298] x20: 00000000ffffffe4 x19: ffff0000c901d9d0 x18: 0000000000000001 [ 81.097167][ T5298] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 81.098532][ T5298] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 81.099783][ T5298] x11: 0000000000000000 x10: 0000000000000000 x9 : 4e85b203e6b50e00 [ 81.101045][ T5298] x8 : 4e85b203e6b50e00 x7 : 0000000000000001 x6 : 0000000000000001 [ 81.102324][ T5298] x5 : ffff800020606e38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 81.103742][ T5298] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 81.104933][ T5298] Call trace: [ 81.105434][ T5298] btrfs_create_pending_block_groups+0x9e8/0xca8 [ 81.106361][ T5298] __btrfs_end_transaction+0x13c/0x608 [ 81.107154][ T5298] btrfs_end_transaction+0x24/0x34 [ 81.107898][ T5298] btrfs_inc_block_group_ro+0x4ec/0x558 [ 81.108782][ T5298] btrfs_relocate_block_group+0x2b8/0x8a4 [ 81.109665][ T5298] btrfs_relocate_chunk+0xb8/0x280 [ 81.110529][ T5298] __btrfs_balance+0x1170/0x1ba4 [ 81.111400][ T5298] btrfs_balance+0xac4/0x1138 [ 81.112078][ T5298] btrfs_ioctl_balance+0x4cc/0x658 [ 81.112851][ T5298] btrfs_ioctl+0x8d0/0xb38 [ 81.113554][ T5298] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.114350][ T5298] invoke_syscall+0x98/0x2b8 [ 81.115089][ T5298] el0_svc_common+0x138/0x258 [ 81.115811][ T5298] do_el0_svc+0x58/0x14c [ 81.116486][ T5298] el0_svc+0x78/0x1e0 [ 81.117063][ T5298] el0t_64_sync_handler+0xcc/0xe4 [ 81.117817][ T5298] el0t_64_sync+0x1a0/0x1a4 [ 81.118494][ T5298] irq event stamp: 79420 [ 81.119140][ T5298] hardirqs last enabled at (79419): [] __up_console_sem+0xb4/0x100 [ 81.120724][ T5298] hardirqs last disabled at (79420): [] el1_dbg+0x24/0x80 [ 81.122090][ T5298] softirqs last enabled at (79294): [] local_bh_enable+0x10/0x34 [ 81.123526][ T5298] softirqs last disabled at (79292): [] local_bh_disable+0x10/0x34 [ 81.124944][ T5298] ---[ end trace 2342c250da4a9d96 ]--- [ 81.127975][ T5298] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 81.129863][ T5298] BTRFS info (device loop0): forced readonly [ 81.130737][ T5298] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 81.132516][ T5298] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 81.134079][ T5298] BTRFS info (device loop0): balance: ended with status: -30 [ 81.283000][ T5320] loop0: detected capacity change from 0 to 32768 [ 81.320332][ T5320] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.22 (5320) [ 81.362624][ T5320] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 81.364111][ T5320] BTRFS info (device loop0): using free space tree [ 81.365087][ T5320] BTRFS info (device loop0): has skinny extents [ 81.376329][ T5320] BTRFS info (device loop0): enabling ssd optimizations [ 81.382941][ T5320] BTRFS info (device loop0): balance: start -s [ 81.384196][ T5320] ------------[ cut here ]------------ [ 81.385282][ T5320] WARNING: CPU: 0 PID: 5320 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0x9e8/0xca8 [ 81.386941][ T5320] Modules linked in: [ 81.387539][ T5320] CPU: 0 PID: 5320 Comm: syz.0.22 Tainted: G W syzkaller #0 [ 81.388751][ T5320] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.390200][ T5320] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 81.391417][ T5320] pc : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 81.392435][ T5320] lr : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 81.393403][ T5320] sp : ffff800020b37540 [ 81.394030][ T5320] x29: ffff800020b37710 x28: ffff0000ca293858 x27: ffff0000de5a9690 [ 81.395215][ T5320] x26: ffff0000de5a9688 x25: ffff0000ca293850 x24: dfff800000000000 [ 81.396405][ T5320] x23: ffff0000ca2939b0 x22: 1fffe0001945270b x21: 1fffe0001945270a [ 81.397718][ T5320] x20: 00000000ffffffe4 x19: ffff0000d7c059d0 x18: 0000000000000001 [ 81.399000][ T5320] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 81.400162][ T5320] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 81.401269][ T5320] x11: 0000000000000000 x10: 0000000000000000 x9 : ee5d148222028f00 [ 81.402597][ T5320] x8 : ee5d148222028f00 x7 : 0000000000000001 x6 : 0000000000000001 [ 81.403971][ T5320] x5 : ffff800020b36e38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 81.405291][ T5320] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 81.406487][ T5320] Call trace: [ 81.406987][ T5320] btrfs_create_pending_block_groups+0x9e8/0xca8 [ 81.407924][ T5320] __btrfs_end_transaction+0x13c/0x608 [ 81.408718][ T5320] btrfs_end_transaction+0x24/0x34 [ 81.409483][ T5320] btrfs_inc_block_group_ro+0x4ec/0x558 [ 81.410287][ T5320] btrfs_relocate_block_group+0x2b8/0x8a4 [ 81.411138][ T5320] btrfs_relocate_chunk+0xb8/0x280 [ 81.411886][ T5320] __btrfs_balance+0x1170/0x1ba4 [ 81.412533][ T5320] btrfs_balance+0xac4/0x1138 [ 81.413183][ T5320] btrfs_ioctl_balance+0x4cc/0x658 [ 81.413983][ T5320] btrfs_ioctl+0x8d0/0xb38 [ 81.414606][ T5320] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.415326][ T5320] invoke_syscall+0x98/0x2b8 [ 81.416027][ T5320] el0_svc_common+0x138/0x258 [ 81.416756][ T5320] do_el0_svc+0x58/0x14c [ 81.417384][ T5320] el0_svc+0x78/0x1e0 [ 81.418043][ T5320] el0t_64_sync_handler+0xcc/0xe4 [ 81.418863][ T5320] el0t_64_sync+0x1a0/0x1a4 [ 81.419633][ T5320] irq event stamp: 79524 [ 81.420324][ T5320] hardirqs last enabled at (79523): [] __up_console_sem+0xb4/0x100 [ 81.421854][ T5320] hardirqs last disabled at (79524): [] el1_dbg+0x24/0x80 [ 81.423182][ T5320] softirqs last enabled at (79390): [] local_bh_enable+0x10/0x34 [ 81.424677][ T5320] softirqs last disabled at (79388): [] local_bh_disable+0x10/0x34 [ 81.426049][ T5320] ---[ end trace 2342c250da4a9d97 ]--- [ 81.433412][ T5320] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 81.435107][ T5320] BTRFS info (device loop0): forced readonly [ 81.436121][ T5320] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 81.437888][ T5320] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 81.440594][ T5320] BTRFS info (device loop0): balance: ended with status: -30 [ 81.585589][ T5342] loop0: detected capacity change from 0 to 32768 [ 81.670079][ T5342] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.23 (5342) [ 81.672976][ T5342] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 81.674284][ T5342] BTRFS info (device loop0): using free space tree [ 81.675490][ T5342] BTRFS info (device loop0): has skinny extents [ 81.688193][ T5342] BTRFS info (device loop0): enabling ssd optimizations [ 81.704284][ T5342] BTRFS info (device loop0): balance: start -s [ 81.705948][ T5342] ------------[ cut here ]------------ [ 81.706891][ T5342] WARNING: CPU: 1 PID: 5342 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0x9e8/0xca8 [ 81.708499][ T5342] Modules linked in: [ 81.709109][ T5342] CPU: 1 PID: 5342 Comm: syz.0.23 Tainted: G W syzkaller #0 [ 81.710512][ T5342] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.712058][ T5342] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 81.713316][ T5342] pc : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 81.714368][ T5342] lr : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 81.715381][ T5342] sp : ffff800020a67540 [ 81.716028][ T5342] x29: ffff800020a67710 x28: ffff0000d6599058 x27: ffff0000de53b3d0 [ 81.717242][ T5342] x26: ffff0000de53b3c8 x25: ffff0000d6599050 x24: dfff800000000000 [ 81.718425][ T5342] x23: ffff0000d65991b0 x22: 1fffe0001acb320b x21: 1fffe0001acb320a [ 81.719637][ T5342] x20: 00000000ffffffe4 x19: ffff0000d7c059d0 x18: 0000000000000001 [ 81.720810][ T5342] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 81.722020][ T5342] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 81.723358][ T5342] x11: 0000000000000000 x10: 0000000000000000 x9 : b27e7383340be400 [ 81.724557][ T5342] x8 : b27e7383340be400 x7 : 0000000000000001 x6 : 0000000000000001 [ 81.725791][ T5342] x5 : ffff800020a66e38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 81.727033][ T5342] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 81.728283][ T5342] Call trace: [ 81.728758][ T5342] btrfs_create_pending_block_groups+0x9e8/0xca8 [ 81.729746][ T5342] __btrfs_end_transaction+0x13c/0x608 [ 81.730494][ T5342] btrfs_end_transaction+0x24/0x34 [ 81.731279][ T5342] btrfs_inc_block_group_ro+0x4ec/0x558 [ 81.732125][ T5342] btrfs_relocate_block_group+0x2b8/0x8a4 [ 81.732952][ T5342] btrfs_relocate_chunk+0xb8/0x280 [ 81.733680][ T5342] __btrfs_balance+0x1170/0x1ba4 [ 81.734414][ T5342] btrfs_balance+0xac4/0x1138 [ 81.735132][ T5342] btrfs_ioctl_balance+0x4cc/0x658 [ 81.735895][ T5342] btrfs_ioctl+0x8d0/0xb38 [ 81.736541][ T5342] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.737282][ T5342] invoke_syscall+0x98/0x2b8 [ 81.737985][ T5342] el0_svc_common+0x138/0x258 [ 81.738665][ T5342] do_el0_svc+0x58/0x14c [ 81.739306][ T5342] el0_svc+0x78/0x1e0 [ 81.739902][ T5342] el0t_64_sync_handler+0xcc/0xe4 [ 81.740652][ T5342] el0t_64_sync+0x1a0/0x1a4 [ 81.741345][ T5342] irq event stamp: 79382 [ 81.741964][ T5342] hardirqs last enabled at (79381): [] __up_console_sem+0xb4/0x100 [ 81.743457][ T5342] hardirqs last disabled at (79382): [] el1_dbg+0x24/0x80 [ 81.744902][ T5342] softirqs last enabled at (79240): [] local_bh_enable+0x10/0x34 [ 81.746451][ T5342] softirqs last disabled at (79238): [] local_bh_disable+0x10/0x34 [ 81.747957][ T5342] ---[ end trace 2342c250da4a9d98 ]--- [ 81.751397][ T5342] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 81.753192][ T5342] BTRFS info (device loop0): forced readonly [ 81.754228][ T5342] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 81.756025][ T5342] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 81.757810][ T5342] BTRFS info (device loop0): balance: ended with status: -30 [ 81.899997][ T5364] loop0: detected capacity change from 0 to 32768 [ 81.950582][ T5364] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.24 (5364) [ 81.994326][ T5364] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 81.995658][ T5364] BTRFS info (device loop0): using free space tree [ 81.996728][ T5364] BTRFS info (device loop0): has skinny extents [ 82.004547][ T5364] BTRFS info (device loop0): enabling ssd optimizations [ 82.011481][ T5364] BTRFS info (device loop0): balance: start -s [ 82.012837][ T5364] ------------[ cut here ]------------ [ 82.013720][ T5364] WARNING: CPU: 1 PID: 5364 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0x9e8/0xca8 [ 82.015353][ T5364] Modules linked in: [ 82.015900][ T5364] CPU: 1 PID: 5364 Comm: syz.0.24 Tainted: G W syzkaller #0 [ 82.017052][ T5364] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.018394][ T5364] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 82.019509][ T5364] pc : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 82.020492][ T5364] lr : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 82.021589][ T5364] sp : ffff800020d37540 [ 82.022213][ T5364] x29: ffff800020d37710 x28: ffff0000ddf8d858 x27: ffff0000de53b530 [ 82.023477][ T5364] x26: ffff0000de53b528 x25: ffff0000ddf8d850 x24: dfff800000000000 [ 82.024800][ T5364] x23: ffff0000ddf8d9b0 x22: 1fffe0001bbf1b0b x21: 1fffe0001bbf1b0a [ 82.026174][ T5364] x20: 00000000ffffffe4 x19: ffff0000d1d599d0 x18: 0000000000000001 [ 82.027405][ T5364] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 82.028647][ T5364] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 82.029900][ T5364] x11: 0000000000000000 x10: 0000000000000000 x9 : 555b4e0a00f25100 [ 82.031127][ T5364] x8 : 555b4e0a00f25100 x7 : 0000000000000001 x6 : 0000000000000001 [ 82.032340][ T5364] x5 : ffff800020d36e38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 82.033575][ T5364] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 82.034833][ T5364] Call trace: [ 82.035336][ T5364] btrfs_create_pending_block_groups+0x9e8/0xca8 [ 82.036206][ T5364] __btrfs_end_transaction+0x13c/0x608 [ 82.037004][ T5364] btrfs_end_transaction+0x24/0x34 [ 82.037774][ T5364] btrfs_inc_block_group_ro+0x4ec/0x558 [ 82.038601][ T5364] btrfs_relocate_block_group+0x2b8/0x8a4 [ 82.039444][ T5364] btrfs_relocate_chunk+0xb8/0x280 [ 82.040170][ T5364] __btrfs_balance+0x1170/0x1ba4 [ 82.040912][ T5364] btrfs_balance+0xac4/0x1138 [ 82.041626][ T5364] btrfs_ioctl_balance+0x4cc/0x658 [ 82.042417][ T5364] btrfs_ioctl+0x8d0/0xb38 [ 82.043027][ T5364] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.043752][ T5364] invoke_syscall+0x98/0x2b8 [ 82.044383][ T5364] el0_svc_common+0x138/0x258 [ 82.045018][ T5364] do_el0_svc+0x58/0x14c [ 82.045601][ T5364] el0_svc+0x78/0x1e0 [ 82.046186][ T5364] el0t_64_sync_handler+0xcc/0xe4 [ 82.046988][ T5364] el0t_64_sync+0x1a0/0x1a4 [ 82.047690][ T5364] irq event stamp: 80230 [ 82.048315][ T5364] hardirqs last enabled at (80229): [] __up_console_sem+0xb4/0x100 [ 82.049811][ T5364] hardirqs last disabled at (80230): [] el1_dbg+0x24/0x80 [ 82.051076][ T5364] softirqs last enabled at (80074): [] local_bh_enable+0x10/0x34 [ 82.052304][ T5364] softirqs last disabled at (80072): [] local_bh_disable+0x10/0x34 [ 82.053599][ T5364] ---[ end trace 2342c250da4a9d99 ]--- [ 82.056824][ T5364] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 82.058522][ T5364] BTRFS info (device loop0): forced readonly [ 82.059883][ T5364] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 82.061628][ T5364] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 82.063426][ T5364] BTRFS info (device loop0): balance: ended with status: -30 [ 82.210934][ T5386] loop0: detected capacity change from 0 to 32768 [ 82.216621][ T5386] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.25 (5386) [ 82.220410][ T5386] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 82.221741][ T5386] BTRFS info (device loop0): using free space tree [ 82.222806][ T5386] BTRFS info (device loop0): has skinny extents [ 82.237056][ T5386] BTRFS info (device loop0): enabling ssd optimizations [ 82.242710][ T5386] BTRFS info (device loop0): balance: start -s [ 82.243977][ T5386] ------------[ cut here ]------------ [ 82.244990][ T5386] WARNING: CPU: 0 PID: 5386 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0x9e8/0xca8 [ 82.246781][ T5386] Modules linked in: [ 82.247406][ T5386] CPU: 0 PID: 5386 Comm: syz.0.25 Tainted: G W syzkaller #0 [ 82.248938][ T5386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.249512][ T5294] Bluetooth: hci0: command 0x041b tx timeout [ 82.250543][ T5386] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 82.252713][ T5386] pc : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 82.253769][ T5386] lr : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 82.254708][ T5386] sp : ffff800020a67540 [ 82.255280][ T5386] x29: ffff800020a67710 x28: ffff0000c8b87858 x27: ffff0000de5a97f0 [ 82.256559][ T5386] x26: ffff0000de5a97e8 x25: ffff0000c8b87850 x24: dfff800000000000 [ 82.257790][ T5386] x23: ffff0000c8b879b0 x22: 1fffe00019170f0b x21: 1fffe00019170f0a [ 82.259092][ T5386] x20: 00000000ffffffe4 x19: ffff0000d1d599d0 x18: 0000000000000001 [ 82.260350][ T5386] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 82.261638][ T5386] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 82.262846][ T5386] x11: 0000000000000000 x10: 0000000000000000 x9 : 434e4d6ea42c5000 [ 82.264076][ T5386] x8 : 434e4d6ea42c5000 x7 : 0000000000000001 x6 : 0000000000000001 [ 82.265391][ T5386] x5 : ffff800020a66e38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 82.266640][ T5386] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 82.267873][ T5386] Call trace: [ 82.268384][ T5386] btrfs_create_pending_block_groups+0x9e8/0xca8 [ 82.269372][ T5386] __btrfs_end_transaction+0x13c/0x608 [ 82.270201][ T5386] btrfs_end_transaction+0x24/0x34 [ 82.270938][ T5386] btrfs_inc_block_group_ro+0x4ec/0x558 [ 82.271786][ T5386] btrfs_relocate_block_group+0x2b8/0x8a4 [ 82.272647][ T5386] btrfs_relocate_chunk+0xb8/0x280 [ 82.273426][ T5386] __btrfs_balance+0x1170/0x1ba4 [ 82.274171][ T5386] btrfs_balance+0xac4/0x1138 [ 82.274827][ T5386] btrfs_ioctl_balance+0x4cc/0x658 [ 82.275559][ T5386] btrfs_ioctl+0x8d0/0xb38 [ 82.276211][ T5386] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.276970][ T5386] invoke_syscall+0x98/0x2b8 [ 82.277638][ T5386] el0_svc_common+0x138/0x258 [ 82.278288][ T5386] do_el0_svc+0x58/0x14c [ 82.278901][ T5386] el0_svc+0x78/0x1e0 [ 82.279489][ T5386] el0t_64_sync_handler+0xcc/0xe4 [ 82.280231][ T5386] el0t_64_sync+0x1a0/0x1a4 [ 82.280890][ T5386] irq event stamp: 79790 [ 82.281542][ T5386] hardirqs last enabled at (79789): [] __up_console_sem+0xb4/0x100 [ 82.282946][ T5386] hardirqs last disabled at (79790): [] el1_dbg+0x24/0x80 [ 82.284151][ T5386] softirqs last enabled at (79644): [] local_bh_enable+0x10/0x34 [ 82.285606][ T5386] softirqs last disabled at (79642): [] local_bh_disable+0x10/0x34 [ 82.287028][ T5386] ---[ end trace 2342c250da4a9d9a ]--- [ 82.290016][ T5386] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 82.292252][ T5386] BTRFS info (device loop0): forced readonly [ 82.293186][ T5386] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 82.294655][ T5386] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 82.296336][ T5386] BTRFS info (device loop0): balance: ended with status: -30 [ 82.471061][ T5407] loop0: detected capacity change from 0 to 32768 [ 82.510378][ T5407] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.26 (5407) [ 82.545549][ T5407] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 82.546895][ T5407] BTRFS info (device loop0): using free space tree [ 82.548042][ T5407] BTRFS info (device loop0): has skinny extents [ 82.630352][ T5407] BTRFS info (device loop0): enabling ssd optimizations [ 82.635206][ T5407] BTRFS info (device loop0): balance: start -s [ 82.636622][ T5407] ------------[ cut here ]------------ [ 82.637603][ T5407] WARNING: CPU: 1 PID: 5407 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0x9e8/0xca8 [ 82.639318][ T5407] Modules linked in: [ 82.639997][ T5407] CPU: 1 PID: 5407 Comm: syz.0.26 Tainted: G W syzkaller #0 [ 82.641428][ T5407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.642955][ T5407] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 82.644070][ T5407] pc : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 82.645022][ T5407] lr : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 82.646032][ T5407] sp : ffff80001f727540 [ 82.646670][ T5407] x29: ffff80001f727710 x28: ffff0000d2ccf858 x27: ffff0000de53b690 [ 82.647998][ T5407] x26: ffff0000de53b688 x25: ffff0000d2ccf850 x24: dfff800000000000 [ 82.649320][ T5407] x23: ffff0000d2ccf9b0 x22: 1fffe0001a599f0b x21: 1fffe0001a599f0a [ 82.650618][ T5407] x20: 00000000ffffffe4 x19: ffff0000ebb799d0 x18: 0000000000000001 [ 82.651840][ T5407] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 82.653109][ T5407] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 82.654346][ T5407] x11: 0000000000000000 x10: 0000000000000000 x9 : 573523887ee88200 [ 82.655541][ T5407] x8 : 573523887ee88200 x7 : 0000000000000001 x6 : 0000000000000001 [ 82.656731][ T5407] x5 : ffff80001f726e38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 82.657908][ T5407] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 82.659082][ T5407] Call trace: [ 82.659548][ T5407] btrfs_create_pending_block_groups+0x9e8/0xca8 [ 82.660560][ T5407] __btrfs_end_transaction+0x13c/0x608 [ 82.661349][ T5407] btrfs_end_transaction+0x24/0x34 [ 82.662099][ T5407] btrfs_inc_block_group_ro+0x4ec/0x558 [ 82.662964][ T5407] btrfs_relocate_block_group+0x2b8/0x8a4 [ 82.663840][ T5407] btrfs_relocate_chunk+0xb8/0x280 [ 82.664656][ T5407] __btrfs_balance+0x1170/0x1ba4 [ 82.665460][ T5407] btrfs_balance+0xac4/0x1138 [ 82.666198][ T5407] btrfs_ioctl_balance+0x4cc/0x658 [ 82.667092][ T5407] btrfs_ioctl+0x8d0/0xb38 [ 82.667793][ T5407] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.668597][ T5407] invoke_syscall+0x98/0x2b8 [ 82.669345][ T5407] el0_svc_common+0x138/0x258 [ 82.670148][ T5407] do_el0_svc+0x58/0x14c [ 82.670793][ T5407] el0_svc+0x78/0x1e0 [ 82.671399][ T5407] el0t_64_sync_handler+0xcc/0xe4 [ 82.672158][ T5407] el0t_64_sync+0x1a0/0x1a4 [ 82.672831][ T5407] irq event stamp: 79510 [ 82.673438][ T5407] hardirqs last enabled at (79509): [] __up_console_sem+0xb4/0x100 [ 82.674928][ T5407] hardirqs last disabled at (79510): [] el1_dbg+0x24/0x80 [ 82.676176][ T5407] softirqs last enabled at (79340): [] local_bh_enable+0x10/0x34 [ 82.677546][ T5407] softirqs last disabled at (79338): [] local_bh_disable+0x10/0x34 [ 82.679007][ T5407] ---[ end trace 2342c250da4a9d9b ]--- [ 82.680169][ T5407] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 82.681725][ T5407] BTRFS info (device loop0): forced readonly [ 82.682648][ T5407] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 82.684457][ T5407] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 82.686210][ T5407] BTRFS info (device loop0): balance: ended with status: -30 [ 82.878594][ T5429] loop0: detected capacity change from 0 to 32768 [ 82.991539][ T5429] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.27 (5429) [ 82.994969][ T5429] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 82.996088][ T5429] BTRFS info (device loop0): using free space tree [ 82.997034][ T5429] BTRFS info (device loop0): has skinny extents [ 83.017643][ T5429] BTRFS info (device loop0): enabling ssd optimizations [ 83.022626][ T5429] BTRFS info (device loop0): balance: start -s [ 83.023944][ T5429] ------------[ cut here ]------------ [ 83.024899][ T5429] WARNING: CPU: 0 PID: 5429 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0x9e8/0xca8 [ 83.026615][ T5429] Modules linked in: [ 83.027267][ T5429] CPU: 0 PID: 5429 Comm: syz.0.27 Tainted: G W syzkaller #0 [ 83.028665][ T5429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.030186][ T5429] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 83.031335][ T5429] pc : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 83.032352][ T5429] lr : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 83.033395][ T5429] sp : ffff80001f777540 [ 83.033980][ T5429] x29: ffff80001f777710 x28: ffff0000d95d8058 x27: ffff0000de5a9950 [ 83.035265][ T5429] x26: ffff0000de5a9948 x25: ffff0000d95d8050 x24: dfff800000000000 [ 83.036559][ T5429] x23: ffff0000d95d81b0 x22: 1fffe0001b2bb00b x21: 1fffe0001b2bb00a [ 83.037894][ T5429] x20: 00000000ffffffe4 x19: ffff0000ebb799d0 x18: 0000000000000001 [ 83.039201][ T5429] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 83.040493][ T5429] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 83.041757][ T5429] x11: 0000000000000000 x10: 0000000000000000 x9 : f7a70a8222588300 [ 83.043005][ T5429] x8 : f7a70a8222588300 x7 : 0000000000000001 x6 : 0000000000000001 [ 83.044238][ T5429] x5 : ffff80001f776e38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 83.045491][ T5429] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 83.046827][ T5429] Call trace: [ 83.047375][ T5429] btrfs_create_pending_block_groups+0x9e8/0xca8 [ 83.048329][ T5429] __btrfs_end_transaction+0x13c/0x608 [ 83.049168][ T5429] btrfs_end_transaction+0x24/0x34 [ 83.049919][ T5429] btrfs_inc_block_group_ro+0x4ec/0x558 [ 83.050804][ T5429] btrfs_relocate_block_group+0x2b8/0x8a4 [ 83.051672][ T5429] btrfs_relocate_chunk+0xb8/0x280 [ 83.052394][ T5429] __btrfs_balance+0x1170/0x1ba4 [ 83.053111][ T5429] btrfs_balance+0xac4/0x1138 [ 83.053850][ T5429] btrfs_ioctl_balance+0x4cc/0x658 [ 83.054609][ T5429] btrfs_ioctl+0x8d0/0xb38 [ 83.055338][ T5429] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.056074][ T5429] invoke_syscall+0x98/0x2b8 [ 83.056777][ T5429] el0_svc_common+0x138/0x258 [ 83.057506][ T5429] do_el0_svc+0x58/0x14c [ 83.058084][ T5429] el0_svc+0x78/0x1e0 [ 83.058702][ T5429] el0t_64_sync_handler+0xcc/0xe4 [ 83.059472][ T5429] el0t_64_sync+0x1a0/0x1a4 [ 83.060114][ T5429] irq event stamp: 79090 [ 83.060699][ T5429] hardirqs last enabled at (79089): [] __up_console_sem+0xb4/0x100 [ 83.062131][ T5429] hardirqs last disabled at (79090): [] el1_dbg+0x24/0x80 [ 83.063344][ T5429] softirqs last enabled at (78962): [] local_bh_enable+0x10/0x34 [ 83.064691][ T5429] softirqs last disabled at (78960): [] local_bh_disable+0x10/0x34 [ 83.066036][ T5429] ---[ end trace 2342c250da4a9d9c ]--- [ 83.069898][ T5429] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 83.071483][ T5429] BTRFS info (device loop0): forced readonly [ 83.072455][ T5429] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 83.074090][ T5429] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 83.075554][ T5429] BTRFS info (device loop0): balance: ended with status: -30 1970/01/01 00:01:23 executed programs: 14 [ 83.238633][ T5451] loop0: detected capacity change from 0 to 32768 [ 83.272035][ T5451] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.28 (5451) [ 83.276063][ T5451] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 83.277344][ T5451] BTRFS info (device loop0): using free space tree [ 83.278329][ T5451] BTRFS info (device loop0): has skinny extents [ 83.285957][ T5451] BTRFS info (device loop0): enabling ssd optimizations [ 83.291459][ T5451] BTRFS info (device loop0): balance: start -s [ 83.293276][ T5451] ------------[ cut here ]------------ [ 83.294228][ T5451] WARNING: CPU: 1 PID: 5451 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0x9e8/0xca8 [ 83.295935][ T5451] Modules linked in: [ 83.296516][ T5451] CPU: 1 PID: 5451 Comm: syz.0.28 Tainted: G W syzkaller #0 [ 83.297825][ T5451] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.299307][ T5451] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 83.300563][ T5451] pc : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 83.301523][ T5451] lr : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 83.302515][ T5451] sp : ffff800020f47540 [ 83.303158][ T5451] x29: ffff800020f47710 x28: ffff0000d8397058 x27: ffff0000de53b7f0 [ 83.304381][ T5451] x26: ffff0000de53b7e8 x25: ffff0000d8397050 x24: dfff800000000000 [ 83.305597][ T5451] x23: ffff0000d83971b0 x22: 1fffe0001b072e0b x21: 1fffe0001b072e0a [ 83.306739][ T5451] x20: 00000000ffffffe4 x19: ffff0000cf2b19d0 x18: 0000000000000001 [ 83.307925][ T5451] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 83.309138][ T5451] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 83.310369][ T5451] x11: 0000000000000000 x10: 0000000000000000 x9 : 7f65f22697abc900 [ 83.311546][ T5451] x8 : 7f65f22697abc900 x7 : 0000000000000001 x6 : 0000000000000001 [ 83.312754][ T5451] x5 : ffff800020f46e38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 83.314059][ T5451] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 83.315347][ T5451] Call trace: [ 83.315826][ T5451] btrfs_create_pending_block_groups+0x9e8/0xca8 [ 83.316752][ T5451] __btrfs_end_transaction+0x13c/0x608 [ 83.317651][ T5451] btrfs_end_transaction+0x24/0x34 [ 83.318459][ T5451] btrfs_inc_block_group_ro+0x4ec/0x558 [ 83.319403][ T5451] btrfs_relocate_block_group+0x2b8/0x8a4 [ 83.320247][ T5451] btrfs_relocate_chunk+0xb8/0x280 [ 83.321036][ T5451] __btrfs_balance+0x1170/0x1ba4 [ 83.321780][ T5451] btrfs_balance+0xac4/0x1138 [ 83.322521][ T5451] btrfs_ioctl_balance+0x4cc/0x658 [ 83.323297][ T5451] btrfs_ioctl+0x8d0/0xb38 [ 83.323989][ T5451] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.324703][ T5451] invoke_syscall+0x98/0x2b8 [ 83.325478][ T5451] el0_svc_common+0x138/0x258 [ 83.326363][ T5451] do_el0_svc+0x58/0x14c [ 83.327057][ T5451] el0_svc+0x78/0x1e0 [ 83.327691][ T5451] el0t_64_sync_handler+0xcc/0xe4 [ 83.328474][ T5451] el0t_64_sync+0x1a0/0x1a4 [ 83.329245][ T5451] irq event stamp: 79344 [ 83.329942][ T5451] hardirqs last enabled at (79343): [] __up_console_sem+0xb4/0x100 [ 83.331402][ T5451] hardirqs last disabled at (79344): [] el1_dbg+0x24/0x80 [ 83.332712][ T5451] softirqs last enabled at (79214): [] local_bh_enable+0x10/0x34 [ 83.334228][ T5451] softirqs last disabled at (79212): [] local_bh_disable+0x10/0x34 [ 83.335665][ T5451] ---[ end trace 2342c250da4a9d9d ]--- [ 83.337560][ T5451] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 83.339972][ T5451] BTRFS info (device loop0): forced readonly [ 83.340907][ T5451] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 83.342608][ T5451] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 83.344234][ T5451] BTRFS info (device loop0): balance: ended with status: -30 [ 83.481934][ T5473] loop0: detected capacity change from 0 to 32768 [ 83.534584][ T5473] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.29 (5473) [ 83.539121][ T5473] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 83.540725][ T5473] BTRFS info (device loop0): using free space tree [ 83.541691][ T5473] BTRFS info (device loop0): has skinny extents [ 83.555404][ T5473] BTRFS info (device loop0): enabling ssd optimizations [ 83.560921][ T5473] BTRFS info (device loop0): balance: start -s [ 83.562141][ T5473] ------------[ cut here ]------------ [ 83.563093][ T5473] WARNING: CPU: 0 PID: 5473 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0x9e8/0xca8 [ 83.564829][ T5473] Modules linked in: [ 83.565434][ T5473] CPU: 0 PID: 5473 Comm: syz.0.29 Tainted: G W syzkaller #0 [ 83.566703][ T5473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.568156][ T5473] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 83.569207][ T5473] pc : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 83.570225][ T5473] lr : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 83.571380][ T5473] sp : ffff800021177540 [ 83.572012][ T5473] x29: ffff800021177710 x28: ffff0000e91f8858 x27: ffff0000de5a91c0 [ 83.573234][ T5473] x26: ffff0000de5a91b8 x25: ffff0000e91f8850 x24: dfff800000000000 [ 83.574473][ T5473] x23: ffff0000e91f89b0 x22: 1fffe0001d23f10b x21: 1fffe0001d23f10a [ 83.575877][ T5473] x20: 00000000ffffffe4 x19: ffff0000d8c159d0 x18: 0000000000000001 [ 83.577154][ T5473] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 83.578505][ T5473] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 83.579764][ T5473] x11: 0000000000000000 x10: 0000000000000000 x9 : fd657bccff26ab00 [ 83.581139][ T5473] x8 : fd657bccff26ab00 x7 : 0000000000000001 x6 : 0000000000000001 [ 83.582406][ T5473] x5 : ffff800021176e38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 83.583625][ T5473] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 83.584845][ T5473] Call trace: [ 83.585340][ T5473] btrfs_create_pending_block_groups+0x9e8/0xca8 [ 83.586251][ T5473] __btrfs_end_transaction+0x13c/0x608 [ 83.587051][ T5473] btrfs_end_transaction+0x24/0x34 [ 83.587828][ T5473] btrfs_inc_block_group_ro+0x4ec/0x558 [ 83.588599][ T5473] btrfs_relocate_block_group+0x2b8/0x8a4 [ 83.589414][ T5473] btrfs_relocate_chunk+0xb8/0x280 [ 83.590081][ T5473] __btrfs_balance+0x1170/0x1ba4 [ 83.590816][ T5473] btrfs_balance+0xac4/0x1138 [ 83.591506][ T5473] btrfs_ioctl_balance+0x4cc/0x658 [ 83.592217][ T5473] btrfs_ioctl+0x8d0/0xb38 [ 83.592828][ T5473] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.593547][ T5473] invoke_syscall+0x98/0x2b8 [ 83.594256][ T5473] el0_svc_common+0x138/0x258 [ 83.594935][ T5473] do_el0_svc+0x58/0x14c [ 83.595495][ T5473] el0_svc+0x78/0x1e0 [ 83.596088][ T5473] el0t_64_sync_handler+0xcc/0xe4 [ 83.596762][ T5473] el0t_64_sync+0x1a0/0x1a4 [ 83.597397][ T5473] irq event stamp: 79102 [ 83.598015][ T5473] hardirqs last enabled at (79101): [] __up_console_sem+0xb4/0x100 [ 83.599380][ T5473] hardirqs last disabled at (79102): [] el1_dbg+0x24/0x80 [ 83.600635][ T5473] softirqs last enabled at (78962): [] local_bh_enable+0x10/0x34 [ 83.602016][ T5473] softirqs last disabled at (78960): [] local_bh_disable+0x10/0x34 [ 83.603422][ T5473] ---[ end trace 2342c250da4a9d9e ]--- [ 83.606966][ T5473] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 83.608551][ T5473] BTRFS info (device loop0): forced readonly [ 83.610516][ T5473] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 83.612135][ T5473] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 83.613879][ T5473] BTRFS info (device loop0): balance: ended with status: -30 [ 83.748543][ T5495] loop0: detected capacity change from 0 to 32768 [ 83.854604][ T5495] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.30 (5495) [ 83.858797][ T5495] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 83.860625][ T5495] BTRFS info (device loop0): using free space tree [ 83.878773][ T5495] ------------[ cut here ]------------ [ 83.880475][ T5495] WARNING: CPU: 0 PID: 5495 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0x9e8/0xca8 [ 83.882226][ T5495] Modules linked in: [ 83.882851][ T5495] CPU: 0 PID: 5495 Comm: syz.0.30 Tainted: G W syzkaller #0 [ 83.884164][ T5495] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.885684][ T5495] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 83.886765][ T5495] pc : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 83.887713][ T5495] lr : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 83.888668][ T5495] sp : ffff8000213b7540 [ 83.889293][ T5495] x29: ffff8000213b7710 x28: ffff0000d8ce0858 x27: ffff0000de5a9ab0 [ 83.890490][ T5495] x26: ffff0000de5a9aa8 x25: ffff0000d8ce0850 x24: dfff800000000000 [ 83.891638][ T5495] x23: ffff0000d8ce09b0 x22: 1fffe0001b19c10b x21: 1fffe0001b19c10a [ 83.892939][ T5495] x20: 00000000ffffffe4 x19: ffff0000d8c159d0 x18: 0000000000000001 [ 83.894192][ T5495] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 83.895404][ T5495] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 83.896672][ T5495] x11: 0000000000000000 x10: 0000000000000000 x9 : 4318c6520340b700 [ 83.897887][ T5495] x8 : 4318c6520340b700 x7 : 0000000000000001 x6 : 0000000000000001 [ 83.899061][ T5495] x5 : ffff8000213b6e38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 83.900195][ T5495] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 83.901462][ T5495] Call trace: [ 83.901961][ T5495] btrfs_create_pending_block_groups+0x9e8/0xca8 [ 83.902911][ T5495] __btrfs_end_transaction+0x13c/0x608 [ 83.903726][ T5495] btrfs_end_transaction+0x24/0x34 [ 83.904547][ T5495] btrfs_inc_block_group_ro+0x4ec/0x558 [ 83.905392][ T5495] btrfs_relocate_block_group+0x2b8/0x8a4 [ 83.906270][ T5495] btrfs_relocate_chunk+0xb8/0x280 [ 83.907083][ T5495] __btrfs_balance+0x1170/0x1ba4 [ 83.907751][ T5495] btrfs_balance+0xac4/0x1138 [ 83.908433][ T5495] btrfs_ioctl_balance+0x4cc/0x658 [ 83.909108][ T5495] btrfs_ioctl+0x8d0/0xb38 [ 83.909724][ T5495] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.910428][ T5495] invoke_syscall+0x98/0x2b8 [ 83.911063][ T5495] el0_svc_common+0x138/0x258 [ 83.911794][ T5495] do_el0_svc+0x58/0x14c [ 83.912390][ T5495] el0_svc+0x78/0x1e0 [ 83.912946][ T5495] el0t_64_sync_handler+0xcc/0xe4 [ 83.913646][ T5495] el0t_64_sync+0x1a0/0x1a4 [ 83.914256][ T5495] irq event stamp: 79234 [ 83.914878][ T5495] hardirqs last enabled at (79233): [] __up_console_sem+0xb4/0x100 [ 83.916433][ T5495] hardirqs last disabled at (79234): [] el1_dbg+0x24/0x80 [ 83.917777][ T5495] softirqs last enabled at (79222): [] handle_softirqs+0xa4c/0xbf0 [ 83.919206][ T5495] softirqs last disabled at (79191): [] __irq_exit_rcu+0x240/0x440 [ 83.920672][ T5495] ---[ end trace 2342c250da4a9d9f ]--- [ 83.923955][ T5495] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 83.925443][ T5495] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 83.927097][ T5495] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 84.061532][ T5517] loop0: detected capacity change from 0 to 32768 [ 84.110652][ T5517] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.31 (5517) [ 84.139510][ T5517] ------------[ cut here ]------------ [ 84.140504][ T5517] WARNING: CPU: 1 PID: 5517 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0x9e8/0xca8 [ 84.142208][ T5517] Modules linked in: [ 84.142822][ T5517] CPU: 1 PID: 5517 Comm: syz.0.31 Tainted: G W syzkaller #0 [ 84.144080][ T5517] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.145506][ T5517] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 84.146610][ T5517] pc : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 84.147568][ T5517] lr : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 84.148531][ T5517] sp : ffff8000214d7540 [ 84.149097][ T5517] x29: ffff8000214d7710 x28: ffff0000d9e86058 x27: ffff0000de53b060 [ 84.150253][ T5517] x26: ffff0000de53b058 x25: ffff0000d9e86050 x24: dfff800000000000 [ 84.151459][ T5517] x23: ffff0000d9e861b0 x22: 1fffe0001b3d0c0b x21: 1fffe0001b3d0c0a [ 84.152649][ T5517] x20: 00000000ffffffe4 x19: ffff0000e78359d0 x18: 0000000000000001 [ 84.153923][ T5517] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 84.155251][ T5517] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 84.156544][ T5517] x11: 0000000000000000 x10: 0000000000000000 x9 : 49c5c0ba8ffcac00 [ 84.157817][ T5517] x8 : 49c5c0ba8ffcac00 x7 : 0000000000000001 x6 : 0000000000000001 [ 84.159031][ T5517] x5 : ffff8000214d6e38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 84.160276][ T5517] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 84.161521][ T5517] Call trace: [ 84.162081][ T5517] btrfs_create_pending_block_groups+0x9e8/0xca8 [ 84.163028][ T5517] __btrfs_end_transaction+0x13c/0x608 [ 84.163895][ T5517] btrfs_end_transaction+0x24/0x34 [ 84.164713][ T5517] btrfs_inc_block_group_ro+0x4ec/0x558 [ 84.165607][ T5517] btrfs_relocate_block_group+0x2b8/0x8a4 [ 84.166470][ T5517] btrfs_relocate_chunk+0xb8/0x280 [ 84.167272][ T5517] __btrfs_balance+0x1170/0x1ba4 [ 84.168069][ T5517] btrfs_balance+0xac4/0x1138 [ 84.168795][ T5517] btrfs_ioctl_balance+0x4cc/0x658 [ 84.169626][ T5517] btrfs_ioctl+0x8d0/0xb38 [ 84.170289][ T5517] __arm64_sys_ioctl+0x14c/0x1c8 [ 84.171056][ T5517] invoke_syscall+0x98/0x2b8 [ 84.171739][ T5517] el0_svc_common+0x138/0x258 [ 84.172445][ T5517] do_el0_svc+0x58/0x14c [ 84.173100][ T5517] el0_svc+0x78/0x1e0 [ 84.173694][ T5517] el0t_64_sync_handler+0xcc/0xe4 [ 84.174456][ T5517] el0t_64_sync+0x1a0/0x1a4 [ 84.175208][ T5517] irq event stamp: 79890 [ 84.175871][ T5517] hardirqs last enabled at (79889): [] __up_console_sem+0xb4/0x100 [ 84.177385][ T5517] hardirqs last disabled at (79890): [] el1_dbg+0x24/0x80 [ 84.178834][ T5517] softirqs last enabled at (79812): [] handle_softirqs+0xa4c/0xbf0 [ 84.180371][ T5517] softirqs last disabled at (79789): [] __irq_exit_rcu+0x240/0x440 [ 84.181887][ T5517] ---[ end trace 2342c250da4a9da0 ]--- [ 84.184036][ T5517] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 84.185565][ T5517] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 84.187401][ T5517] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 84.325914][ T5539] loop0: detected capacity change from 0 to 32768 [ 84.329566][ T25] Bluetooth: hci0: command 0x040f tx timeout [ 84.370422][ T5539] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.32 (5539) [ 84.429881][ T5539] ------------[ cut here ]------------ [ 84.430933][ T5539] WARNING: CPU: 0 PID: 5539 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0x9e8/0xca8 [ 84.432544][ T5539] Modules linked in: [ 84.433117][ T5539] CPU: 0 PID: 5539 Comm: syz.0.32 Tainted: G W syzkaller #0 [ 84.434337][ T5539] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.435769][ T5539] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 84.436893][ T5539] pc : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 84.437882][ T5539] lr : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 84.438895][ T5539] sp : ffff8000215e7540 [ 84.439537][ T5539] x29: ffff8000215e7710 x28: ffff0000dca41058 x27: ffff0000de5a9c10 [ 84.440745][ T5539] x26: ffff0000de5a9c08 x25: ffff0000dca41050 x24: dfff800000000000 [ 84.441956][ T5539] x23: ffff0000dca411b0 x22: 1fffe0001b94820b x21: 1fffe0001b94820a [ 84.443162][ T5539] x20: 00000000ffffffe4 x19: ffff0000dde899d0 x18: 0000000000000001 [ 84.444319][ T5539] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 84.445562][ T5539] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 84.446799][ T5539] x11: 0000000000000000 x10: 0000000000000000 x9 : 3dd528f275bb1b00 [ 84.447885][ T5539] x8 : 3dd528f275bb1b00 x7 : 0000000000000001 x6 : 0000000000000001 [ 84.449020][ T5539] x5 : ffff8000215e6e38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 84.450172][ T5539] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 84.451319][ T5539] Call trace: [ 84.451798][ T5539] btrfs_create_pending_block_groups+0x9e8/0xca8 [ 84.452699][ T5539] __btrfs_end_transaction+0x13c/0x608 [ 84.453487][ T5539] btrfs_end_transaction+0x24/0x34 [ 84.454233][ T5539] btrfs_inc_block_group_ro+0x4ec/0x558 [ 84.454965][ T5539] btrfs_relocate_block_group+0x2b8/0x8a4 [ 84.455781][ T5539] btrfs_relocate_chunk+0xb8/0x280 [ 84.456530][ T5539] __btrfs_balance+0x1170/0x1ba4 [ 84.457230][ T5539] btrfs_balance+0xac4/0x1138 [ 84.457909][ T5539] btrfs_ioctl_balance+0x4cc/0x658 [ 84.458613][ T5539] btrfs_ioctl+0x8d0/0xb38 [ 84.459343][ T5539] __arm64_sys_ioctl+0x14c/0x1c8 [ 84.460109][ T5539] invoke_syscall+0x98/0x2b8 [ 84.460851][ T5539] el0_svc_common+0x138/0x258 [ 84.461518][ T5539] do_el0_svc+0x58/0x14c [ 84.462131][ T5539] el0_svc+0x78/0x1e0 [ 84.462703][ T5539] el0t_64_sync_handler+0xcc/0xe4 [ 84.463460][ T5539] el0t_64_sync+0x1a0/0x1a4 [ 84.464135][ T5539] irq event stamp: 79744 [ 84.464740][ T5539] hardirqs last enabled at (79743): [] __up_console_sem+0xb4/0x100 [ 84.466099][ T5539] hardirqs last disabled at (79744): [] el1_dbg+0x24/0x80 [ 84.467385][ T5539] softirqs last enabled at (79596): [] local_bh_enable+0x10/0x34 [ 84.468734][ T5539] softirqs last disabled at (79594): [] local_bh_disable+0x10/0x34 [ 84.470021][ T5539] ---[ end trace 2342c250da4a9da1 ]--- [ 84.471719][ T5539] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 84.473378][ T5539] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 84.474928][ T5539] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 84.616166][ T5561] loop0: detected capacity change from 0 to 32768 [ 84.620438][ T5561] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.33 (5561) [ 84.623568][ T5561] btrfs_printk: 19 callbacks suppressed [ 84.623574][ T5561] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 84.625801][ T5561] BTRFS info (device loop0): using free space tree [ 84.626852][ T5561] BTRFS info (device loop0): has skinny extents [ 84.637578][ T5561] BTRFS info (device loop0): enabling ssd optimizations [ 84.642803][ T5561] BTRFS info (device loop0): balance: start -s [ 84.643977][ T5561] ------------[ cut here ]------------ [ 84.644925][ T5561] WARNING: CPU: 0 PID: 5561 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0x9e8/0xca8 [ 84.646581][ T5561] Modules linked in: [ 84.647209][ T5561] CPU: 0 PID: 5561 Comm: syz.0.33 Tainted: G W syzkaller #0 [ 84.648381][ T5561] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.649899][ T5561] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 84.651132][ T5561] pc : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 84.652095][ T5561] lr : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 84.653232][ T5561] sp : ffff800021707540 [ 84.653919][ T5561] x29: ffff800021707710 x28: ffff0000c897c858 x27: ffff0000de5a9d70 [ 84.655250][ T5561] x26: ffff0000de5a9d68 x25: ffff0000c897c850 x24: dfff800000000000 [ 84.656410][ T5561] x23: ffff0000c897c9b0 x22: 1fffe0001912f90b x21: 1fffe0001912f90a [ 84.657637][ T5561] x20: 00000000ffffffe4 x19: ffff0000d3fc19d0 x18: 0000000000000001 [ 84.658834][ T5561] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 84.660050][ T5561] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 84.661233][ T5561] x11: 0000000000000000 x10: 0000000000000000 x9 : f676d66a5ff5c800 [ 84.662495][ T5561] x8 : f676d66a5ff5c800 x7 : 0000000000000001 x6 : 0000000000000001 [ 84.663665][ T5561] x5 : ffff800021706e38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 84.664829][ T5561] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 84.665947][ T5561] Call trace: [ 84.666437][ T5561] btrfs_create_pending_block_groups+0x9e8/0xca8 [ 84.667346][ T5561] __btrfs_end_transaction+0x13c/0x608 [ 84.668111][ T5561] btrfs_end_transaction+0x24/0x34 [ 84.668846][ T5561] btrfs_inc_block_group_ro+0x4ec/0x558 [ 84.669738][ T5561] btrfs_relocate_block_group+0x2b8/0x8a4 [ 84.670626][ T5561] btrfs_relocate_chunk+0xb8/0x280 [ 84.671382][ T5561] __btrfs_balance+0x1170/0x1ba4 [ 84.672183][ T5561] btrfs_balance+0xac4/0x1138 [ 84.672890][ T5561] btrfs_ioctl_balance+0x4cc/0x658 [ 84.673701][ T5561] btrfs_ioctl+0x8d0/0xb38 [ 84.674373][ T5561] __arm64_sys_ioctl+0x14c/0x1c8 [ 84.675109][ T5561] invoke_syscall+0x98/0x2b8 [ 84.675850][ T5561] el0_svc_common+0x138/0x258 [ 84.676512][ T5561] do_el0_svc+0x58/0x14c [ 84.677131][ T5561] el0_svc+0x78/0x1e0 [ 84.677696][ T5561] el0t_64_sync_handler+0xcc/0xe4 [ 84.678577][ T5561] el0t_64_sync+0x1a0/0x1a4 [ 84.679179][ T5561] irq event stamp: 79474 [ 84.679770][ T5561] hardirqs last enabled at (79473): [] __up_console_sem+0xb4/0x100 [ 84.681149][ T5561] hardirqs last disabled at (79474): [] el1_dbg+0x24/0x80 [ 84.682571][ T5561] softirqs last enabled at (79338): [] local_bh_enable+0x10/0x34 [ 84.684061][ T5561] softirqs last disabled at (79336): [] local_bh_disable+0x10/0x34 [ 84.685551][ T5561] ---[ end trace 2342c250da4a9da2 ]--- [ 84.686746][ T5561] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 84.688342][ T5561] BTRFS info (device loop0): forced readonly [ 84.689355][ T5561] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 84.690933][ T5561] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 84.692560][ T5561] BTRFS info (device loop0): balance: ended with status: -30 [ 84.833797][ T5583] loop0: detected capacity change from 0 to 32768 [ 84.871416][ T5583] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.34 (5583) [ 84.874727][ T5583] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 84.875952][ T5583] BTRFS info (device loop0): using free space tree [ 84.876968][ T5583] BTRFS info (device loop0): has skinny extents [ 84.885841][ T5583] BTRFS info (device loop0): enabling ssd optimizations [ 84.891933][ T5583] BTRFS info (device loop0): balance: start -s [ 84.893207][ T5583] ------------[ cut here ]------------ [ 84.894234][ T5583] WARNING: CPU: 1 PID: 5583 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0x9e8/0xca8 [ 84.895978][ T5583] Modules linked in: [ 84.896612][ T5583] CPU: 1 PID: 5583 Comm: syz.0.34 Tainted: G W syzkaller #0 [ 84.897952][ T5583] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.899423][ T5583] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 84.900656][ T5583] pc : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 84.901725][ T5583] lr : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 84.902778][ T5583] sp : ffff8000214f7540 [ 84.903421][ T5583] x29: ffff8000214f7710 x28: ffff0000ec854858 x27: ffff0000de53b1c0 [ 84.904592][ T5583] x26: ffff0000de53b1b8 x25: ffff0000ec854850 x24: dfff800000000000 [ 84.905850][ T5583] x23: ffff0000ec8549b0 x22: 1fffe0001d90a90b x21: 1fffe0001d90a90a [ 84.907084][ T5583] x20: 00000000ffffffe4 x19: ffff0000ed5999d0 x18: 0000000000000001 [ 84.908376][ T5583] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 84.909672][ T5583] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 84.910901][ T5583] x11: 0000000000000000 x10: 0000000000000000 x9 : f186283ade5eb800 [ 84.912061][ T5583] x8 : f186283ade5eb800 x7 : 0000000000000001 x6 : 0000000000000001 [ 84.913267][ T5583] x5 : ffff8000214f6e38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 84.914436][ T5583] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 84.915615][ T5583] Call trace: [ 84.916091][ T5583] btrfs_create_pending_block_groups+0x9e8/0xca8 [ 84.917064][ T5583] __btrfs_end_transaction+0x13c/0x608 [ 84.917902][ T5583] btrfs_end_transaction+0x24/0x34 [ 84.918642][ T5583] btrfs_inc_block_group_ro+0x4ec/0x558 [ 84.919413][ T5583] btrfs_relocate_block_group+0x2b8/0x8a4 [ 84.920265][ T5583] btrfs_relocate_chunk+0xb8/0x280 [ 84.921012][ T5583] __btrfs_balance+0x1170/0x1ba4 [ 84.921812][ T5583] btrfs_balance+0xac4/0x1138 [ 84.922518][ T5583] btrfs_ioctl_balance+0x4cc/0x658 [ 84.923409][ T5583] btrfs_ioctl+0x8d0/0xb38 [ 84.924108][ T5583] __arm64_sys_ioctl+0x14c/0x1c8 [ 84.924851][ T5583] invoke_syscall+0x98/0x2b8 [ 84.925512][ T5583] el0_svc_common+0x138/0x258 [ 84.926195][ T5583] do_el0_svc+0x58/0x14c [ 84.926848][ T5583] el0_svc+0x78/0x1e0 [ 84.927484][ T5583] el0t_64_sync_handler+0xcc/0xe4 [ 84.928204][ T5583] el0t_64_sync+0x1a0/0x1a4 [ 84.928848][ T5583] irq event stamp: 79454 [ 84.929537][ T5583] hardirqs last enabled at (79453): [] __up_console_sem+0xb4/0x100 [ 84.930958][ T5583] hardirqs last disabled at (79454): [] el1_dbg+0x24/0x80 [ 84.932283][ T5583] softirqs last enabled at (79338): [] local_bh_enable+0x10/0x34 [ 84.933744][ T5583] softirqs last disabled at (79336): [] local_bh_disable+0x10/0x34 [ 84.935221][ T5583] ---[ end trace 2342c250da4a9da3 ]--- [ 84.938331][ T5583] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 84.939958][ T5583] BTRFS info (device loop0): forced readonly [ 84.940960][ T5583] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 84.942575][ T5583] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 84.944056][ T5583] BTRFS info (device loop0): balance: ended with status: -30 [ 85.080938][ T5605] loop0: detected capacity change from 0 to 32768 [ 85.173785][ T5605] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.35 (5605) [ 85.176913][ T5605] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 85.178259][ T5605] BTRFS info (device loop0): using free space tree [ 85.179495][ T5605] BTRFS info (device loop0): has skinny extents [ 85.188470][ T5605] BTRFS info (device loop0): enabling ssd optimizations [ 85.193655][ T5605] BTRFS info (device loop0): balance: start -s [ 85.194896][ T5605] ------------[ cut here ]------------ [ 85.195905][ T5605] WARNING: CPU: 1 PID: 5605 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0x9e8/0xca8 [ 85.197621][ T5605] Modules linked in: [ 85.198277][ T5605] CPU: 1 PID: 5605 Comm: syz.0.35 Tainted: G W syzkaller #0 [ 85.199576][ T5605] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.201115][ T5605] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 85.202360][ T5605] pc : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 85.203423][ T5605] lr : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 85.204470][ T5605] sp : ffff800021837540 [ 85.205103][ T5605] x29: ffff800021837710 x28: ffff0000cda92058 x27: ffff0000de53b950 [ 85.206422][ T5605] x26: ffff0000de53b948 x25: ffff0000cda92050 x24: dfff800000000000 [ 85.207656][ T5605] x23: ffff0000cda921b0 x22: 1fffe00019b5240b x21: 1fffe00019b5240a [ 85.208935][ T5605] x20: 00000000ffffffe4 x19: ffff0000d23799d0 x18: 0000000000000001 [ 85.210209][ T5605] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 85.211435][ T5605] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 85.212619][ T5605] x11: 0000000000000000 x10: 0000000000000000 x9 : cda7e3b048d8bd00 [ 85.213767][ T5605] x8 : cda7e3b048d8bd00 x7 : 0000000000000001 x6 : 0000000000000001 [ 85.215054][ T5605] x5 : ffff800021836e38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 85.216238][ T5605] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 85.217401][ T5605] Call trace: [ 85.217842][ T5605] btrfs_create_pending_block_groups+0x9e8/0xca8 [ 85.218744][ T5605] __btrfs_end_transaction+0x13c/0x608 [ 85.219623][ T5605] btrfs_end_transaction+0x24/0x34 [ 85.220396][ T5605] btrfs_inc_block_group_ro+0x4ec/0x558 [ 85.221260][ T5605] btrfs_relocate_block_group+0x2b8/0x8a4 [ 85.222251][ T5605] btrfs_relocate_chunk+0xb8/0x280 [ 85.223098][ T5605] __btrfs_balance+0x1170/0x1ba4 [ 85.223863][ T5605] btrfs_balance+0xac4/0x1138 [ 85.224590][ T5605] btrfs_ioctl_balance+0x4cc/0x658 [ 85.225445][ T5605] btrfs_ioctl+0x8d0/0xb38 [ 85.226124][ T5605] __arm64_sys_ioctl+0x14c/0x1c8 [ 85.226851][ T5605] invoke_syscall+0x98/0x2b8 [ 85.227578][ T5605] el0_svc_common+0x138/0x258 [ 85.228296][ T5605] do_el0_svc+0x58/0x14c [ 85.228923][ T5605] el0_svc+0x78/0x1e0 [ 85.229523][ T5605] el0t_64_sync_handler+0xcc/0xe4 [ 85.230305][ T5605] el0t_64_sync+0x1a0/0x1a4 [ 85.230937][ T5605] irq event stamp: 79600 [ 85.231537][ T5605] hardirqs last enabled at (79599): [] __up_console_sem+0xb4/0x100 [ 85.232973][ T5605] hardirqs last disabled at (79600): [] el1_dbg+0x24/0x80 [ 85.234281][ T5605] softirqs last enabled at (79460): [] local_bh_enable+0x10/0x34 [ 85.235697][ T5605] softirqs last disabled at (79458): [] local_bh_disable+0x10/0x34 [ 85.237069][ T5605] ---[ end trace 2342c250da4a9da4 ]--- [ 85.240844][ T5605] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 85.242420][ T5605] BTRFS info (device loop0): forced readonly [ 85.243424][ T5605] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 85.244966][ T5605] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 85.246577][ T5605] BTRFS info (device loop0): balance: ended with status: -30 [ 85.383145][ T5627] loop0: detected capacity change from 0 to 32768 [ 85.422752][ T5627] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.36 (5627) [ 85.425850][ T5627] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 85.427164][ T5627] BTRFS info (device loop0): using free space tree [ 85.428226][ T5627] BTRFS info (device loop0): has skinny extents [ 85.435925][ T5627] BTRFS info (device loop0): enabling ssd optimizations [ 85.440348][ T5627] BTRFS info (device loop0): balance: start -s [ 85.441614][ T5627] ------------[ cut here ]------------ [ 85.442585][ T5627] WARNING: CPU: 0 PID: 5627 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0x9e8/0xca8 [ 85.444381][ T5627] Modules linked in: [ 85.445028][ T5627] CPU: 0 PID: 5627 Comm: syz.0.36 Tainted: G W syzkaller #0 [ 85.446327][ T5627] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.447852][ T5627] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 85.449089][ T5627] pc : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 85.450256][ T5627] lr : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 85.451367][ T5627] sp : ffff800021837540 [ 85.452082][ T5627] x29: ffff800021837710 x28: ffff0000d3cf3858 x27: ffff0000de5a9ed0 [ 85.453477][ T5627] x26: ffff0000de5a9ec8 x25: ffff0000d3cf3850 x24: dfff800000000000 [ 85.454725][ T5627] x23: ffff0000d3cf39b0 x22: 1fffe0001a79e70b x21: 1fffe0001a79e70a [ 85.455974][ T5627] x20: 00000000ffffffe4 x19: ffff0000ebb6d9d0 x18: 0000000000000001 [ 85.457282][ T5627] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 85.458573][ T5627] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 85.459844][ T5627] x11: 0000000000000000 x10: 0000000000000000 x9 : 7ae335ffc6dd1d00 [ 85.461309][ T5627] x8 : 7ae335ffc6dd1d00 x7 : 0000000000000001 x6 : 0000000000000001 [ 85.462541][ T5627] x5 : ffff800021836e38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 85.463825][ T5627] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 85.465190][ T5627] Call trace: [ 85.465699][ T5627] btrfs_create_pending_block_groups+0x9e8/0xca8 [ 85.466622][ T5627] __btrfs_end_transaction+0x13c/0x608 [ 85.467511][ T5627] btrfs_end_transaction+0x24/0x34 [ 85.468320][ T5627] btrfs_inc_block_group_ro+0x4ec/0x558 [ 85.469122][ T5627] btrfs_relocate_block_group+0x2b8/0x8a4 [ 85.469924][ T5627] btrfs_relocate_chunk+0xb8/0x280 [ 85.470739][ T5627] __btrfs_balance+0x1170/0x1ba4 [ 85.471444][ T5627] btrfs_balance+0xac4/0x1138 [ 85.472084][ T5627] btrfs_ioctl_balance+0x4cc/0x658 [ 85.472845][ T5627] btrfs_ioctl+0x8d0/0xb38 [ 85.473515][ T5627] __arm64_sys_ioctl+0x14c/0x1c8 [ 85.474298][ T5627] invoke_syscall+0x98/0x2b8 [ 85.474957][ T5627] el0_svc_common+0x138/0x258 [ 85.475596][ T5627] do_el0_svc+0x58/0x14c [ 85.476207][ T5627] el0_svc+0x78/0x1e0 [ 85.476764][ T5627] el0t_64_sync_handler+0xcc/0xe4 [ 85.477514][ T5627] el0t_64_sync+0x1a0/0x1a4 [ 85.478169][ T5627] irq event stamp: 79582 [ 85.478769][ T5627] hardirqs last enabled at (79581): [] __up_console_sem+0xb4/0x100 [ 85.480093][ T5627] hardirqs last disabled at (79582): [] el1_dbg+0x24/0x80 [ 85.481335][ T5627] softirqs last enabled at (79446): [] local_bh_enable+0x10/0x34 [ 85.482635][ T5627] softirqs last disabled at (79444): [] local_bh_disable+0x10/0x34 [ 85.484007][ T5627] ---[ end trace 2342c250da4a9da5 ]--- [ 85.485574][ T5627] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 85.487189][ T5627] BTRFS info (device loop0): forced readonly [ 85.488168][ T5627] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 85.489835][ T5627] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 85.491499][ T5627] BTRFS info (device loop0): balance: ended with status: -30 [ 85.630309][ T5649] loop0: detected capacity change from 0 to 32768 [ 85.680497][ T5649] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.37 (5649) [ 85.683555][ T5649] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 85.684912][ T5649] BTRFS info (device loop0): using free space tree [ 85.685973][ T5649] BTRFS info (device loop0): has skinny extents [ 85.705306][ T5649] BTRFS info (device loop0): enabling ssd optimizations [ 85.710123][ T5649] BTRFS info (device loop0): balance: start -s [ 85.711456][ T5649] ------------[ cut here ]------------ [ 85.712367][ T5649] WARNING: CPU: 0 PID: 5649 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0x9e8/0xca8 [ 85.714035][ T5649] Modules linked in: [ 85.714663][ T5649] CPU: 0 PID: 5649 Comm: syz.0.37 Tainted: G W syzkaller #0 [ 85.715980][ T5649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.717394][ T5649] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 85.718576][ T5649] pc : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 85.719604][ T5649] lr : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 85.720611][ T5649] sp : ffff800021707540 [ 85.721190][ T5649] x29: ffff800021707710 x28: ffff0000d6719858 x27: ffff0000de5a9690 [ 85.722436][ T5649] x26: ffff0000de5a9688 x25: ffff0000d6719850 x24: dfff800000000000 [ 85.723657][ T5649] x23: ffff0000d67199b0 x22: 1fffe0001ace330b x21: 1fffe0001ace330a [ 85.724907][ T5649] x20: 00000000ffffffe4 x19: ffff0000ed4b19d0 x18: 0000000000000001 [ 85.726132][ T5649] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 85.727293][ T5649] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 85.728406][ T5649] x11: 0000000000000000 x10: 0000000000000000 x9 : 957b3916a1de5200 [ 85.729562][ T5649] x8 : 957b3916a1de5200 x7 : 0000000000000001 x6 : 0000000000000001 [ 85.730736][ T5649] x5 : ffff800021706e38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 85.731948][ T5649] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 85.733107][ T5649] Call trace: [ 85.733581][ T5649] btrfs_create_pending_block_groups+0x9e8/0xca8 [ 85.734561][ T5649] __btrfs_end_transaction+0x13c/0x608 [ 85.735378][ T5649] btrfs_end_transaction+0x24/0x34 [ 85.736139][ T5649] btrfs_inc_block_group_ro+0x4ec/0x558 [ 85.736929][ T5649] btrfs_relocate_block_group+0x2b8/0x8a4 [ 85.737789][ T5649] btrfs_relocate_chunk+0xb8/0x280 [ 85.738543][ T5649] __btrfs_balance+0x1170/0x1ba4 [ 85.739287][ T5649] btrfs_balance+0xac4/0x1138 [ 85.739987][ T5649] btrfs_ioctl_balance+0x4cc/0x658 [ 85.740772][ T5649] btrfs_ioctl+0x8d0/0xb38 [ 85.741420][ T5649] __arm64_sys_ioctl+0x14c/0x1c8 [ 85.742147][ T5649] invoke_syscall+0x98/0x2b8 [ 85.742843][ T5649] el0_svc_common+0x138/0x258 [ 85.743502][ T5649] do_el0_svc+0x58/0x14c [ 85.744184][ T5649] el0_svc+0x78/0x1e0 [ 85.744765][ T5649] el0t_64_sync_handler+0xcc/0xe4 [ 85.745487][ T5649] el0t_64_sync+0x1a0/0x1a4 [ 85.746210][ T5649] irq event stamp: 79334 [ 85.746807][ T5649] hardirqs last enabled at (79333): [] __up_console_sem+0xb4/0x100 [ 85.748216][ T5649] hardirqs last disabled at (79334): [] el1_dbg+0x24/0x80 [ 85.749444][ T5649] softirqs last enabled at (79194): [] local_bh_enable+0x10/0x34 [ 85.750789][ T5649] softirqs last disabled at (79192): [] local_bh_disable+0x10/0x34 [ 85.752096][ T5649] ---[ end trace 2342c250da4a9da6 ]--- [ 85.753359][ T5649] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 85.754992][ T5649] BTRFS info (device loop0): forced readonly [ 85.756009][ T5649] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 85.757587][ T5649] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 85.759344][ T5649] BTRFS info (device loop0): balance: ended with status: -30 [ 85.910409][ T5671] loop0: detected capacity change from 0 to 32768 [ 86.000420][ T5671] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.38 (5671) [ 86.003204][ T5671] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 86.004506][ T5671] BTRFS info (device loop0): using free space tree [ 86.005563][ T5671] BTRFS info (device loop0): has skinny extents [ 86.013744][ T5671] BTRFS info (device loop0): enabling ssd optimizations [ 86.020921][ T5671] BTRFS info (device loop0): balance: start -s [ 86.022226][ T5671] ------------[ cut here ]------------ [ 86.023177][ T5671] WARNING: CPU: 1 PID: 5671 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0x9e8/0xca8 [ 86.024829][ T5671] Modules linked in: [ 86.025431][ T5671] CPU: 1 PID: 5671 Comm: syz.0.38 Tainted: G W syzkaller #0 [ 86.026730][ T5671] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.028178][ T5671] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 86.029358][ T5671] pc : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 86.030359][ T5671] lr : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 86.031311][ T5671] sp : ffff800021c27540 [ 86.031915][ T5671] x29: ffff800021c27710 x28: ffff0000d25e0058 x27: ffff0000de53b480 [ 86.033090][ T5671] x26: ffff0000de53b478 x25: ffff0000d25e0050 x24: dfff800000000000 [ 86.034143][ T5671] x23: ffff0000d25e01b0 x22: 1fffe0001a4bc00b x21: 1fffe0001a4bc00a [ 86.035299][ T5671] x20: 00000000ffffffe4 x19: ffff0000ca4999d0 x18: 0000000000000001 [ 86.036501][ T5671] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 86.037660][ T5671] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 86.038844][ T5671] x11: 0000000000000000 x10: 0000000000000000 x9 : d0901c1349a06d00 [ 86.040136][ T5671] x8 : d0901c1349a06d00 x7 : 0000000000000001 x6 : 0000000000000001 [ 86.041367][ T5671] x5 : ffff800021c26e38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 86.042625][ T5671] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 86.043916][ T5671] Call trace: [ 86.044417][ T5671] btrfs_create_pending_block_groups+0x9e8/0xca8 [ 86.045423][ T5671] __btrfs_end_transaction+0x13c/0x608 [ 86.046234][ T5671] btrfs_end_transaction+0x24/0x34 [ 86.046961][ T5671] btrfs_inc_block_group_ro+0x4ec/0x558 [ 86.047767][ T5671] btrfs_relocate_block_group+0x2b8/0x8a4 [ 86.048574][ T5671] btrfs_relocate_chunk+0xb8/0x280 [ 86.049337][ T5671] __btrfs_balance+0x1170/0x1ba4 [ 86.050005][ T5671] btrfs_balance+0xac4/0x1138 [ 86.050679][ T5671] btrfs_ioctl_balance+0x4cc/0x658 [ 86.051399][ T5671] btrfs_ioctl+0x8d0/0xb38 [ 86.052055][ T5671] __arm64_sys_ioctl+0x14c/0x1c8 [ 86.052724][ T5671] invoke_syscall+0x98/0x2b8 [ 86.053367][ T5671] el0_svc_common+0x138/0x258 [ 86.054044][ T5671] do_el0_svc+0x58/0x14c [ 86.054601][ T5671] el0_svc+0x78/0x1e0 [ 86.055128][ T5671] el0t_64_sync_handler+0xcc/0xe4 [ 86.055822][ T5671] el0t_64_sync+0x1a0/0x1a4 [ 86.056454][ T5671] irq event stamp: 79756 [ 86.057027][ T5671] hardirqs last enabled at (79755): [] __up_console_sem+0xb4/0x100 [ 86.058550][ T5671] hardirqs last disabled at (79756): [] el1_dbg+0x24/0x80 [ 86.059971][ T5671] softirqs last enabled at (79594): [] local_bh_enable+0x10/0x34 [ 86.061543][ T5671] softirqs last disabled at (79592): [] local_bh_disable+0x10/0x34 [ 86.063088][ T5671] ---[ end trace 2342c250da4a9da7 ]--- [ 86.064485][ T5671] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 86.066144][ T5671] BTRFS info (device loop0): forced readonly [ 86.067160][ T5671] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 86.068755][ T5671] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 86.070584][ T5671] BTRFS info (device loop0): balance: ended with status: -30 [ 86.222103][ T5693] loop0: detected capacity change from 0 to 32768 [ 86.304064][ T5693] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.39 (5693) [ 86.307140][ T5693] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 86.308469][ T5693] BTRFS info (device loop0): using free space tree [ 86.310248][ T5693] BTRFS info (device loop0): has skinny extents [ 86.317998][ T5693] BTRFS info (device loop0): enabling ssd optimizations [ 86.322835][ T5693] BTRFS info (device loop0): balance: start -s [ 86.324094][ T5693] ------------[ cut here ]------------ [ 86.325078][ T5693] WARNING: CPU: 1 PID: 5693 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0x9e8/0xca8 [ 86.326734][ T5693] Modules linked in: [ 86.327309][ T5693] CPU: 1 PID: 5693 Comm: syz.0.39 Tainted: G W syzkaller #0 [ 86.328528][ T5693] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.330047][ T5693] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 86.331262][ T5693] pc : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 86.332329][ T5693] lr : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 86.333377][ T5693] sp : ffff800022107540 [ 86.333975][ T5693] x29: ffff800022107710 x28: ffff0000d974d058 x27: ffff0000de53b5e0 [ 86.335067][ T5693] x26: ffff0000de53b5d8 x25: ffff0000d974d050 x24: dfff800000000000 [ 86.336201][ T5693] x23: ffff0000d974d1b0 x22: 1fffe0001b2e9a0b x21: 1fffe0001b2e9a0a [ 86.337432][ T5693] x20: 00000000ffffffe4 x19: ffff0000ca4999d0 x18: 0000000000000001 [ 86.338697][ T5693] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 86.339948][ T5693] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 86.341099][ T5693] x11: 0000000000000000 x10: 0000000000000000 x9 : 32d149df723e7400 [ 86.342308][ T5693] x8 : 32d149df723e7400 x7 : 0000000000000001 x6 : 0000000000000001 [ 86.343515][ T5693] x5 : ffff800022106e38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 86.344720][ T5693] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 86.345889][ T5693] Call trace: [ 86.346355][ T5693] btrfs_create_pending_block_groups+0x9e8/0xca8 [ 86.347282][ T5693] __btrfs_end_transaction+0x13c/0x608 [ 86.348135][ T5693] btrfs_end_transaction+0x24/0x34 [ 86.348985][ T5693] btrfs_inc_block_group_ro+0x4ec/0x558 [ 86.349770][ T5693] btrfs_relocate_block_group+0x2b8/0x8a4 [ 86.350608][ T5693] btrfs_relocate_chunk+0xb8/0x280 [ 86.351386][ T5693] __btrfs_balance+0x1170/0x1ba4 [ 86.352074][ T5693] btrfs_balance+0xac4/0x1138 [ 86.352703][ T5693] btrfs_ioctl_balance+0x4cc/0x658 [ 86.353482][ T5693] btrfs_ioctl+0x8d0/0xb38 [ 86.354148][ T5693] __arm64_sys_ioctl+0x14c/0x1c8 [ 86.354924][ T5693] invoke_syscall+0x98/0x2b8 [ 86.355591][ T5693] el0_svc_common+0x138/0x258 [ 86.356297][ T5693] do_el0_svc+0x58/0x14c [ 86.357000][ T5693] el0_svc+0x78/0x1e0 [ 86.357626][ T5693] el0t_64_sync_handler+0xcc/0xe4 [ 86.358404][ T5693] el0t_64_sync+0x1a0/0x1a4 [ 86.359069][ T5693] irq event stamp: 79162 [ 86.359748][ T5693] hardirqs last enabled at (79161): [] __up_console_sem+0xb4/0x100 [ 86.361189][ T5693] hardirqs last disabled at (79162): [] el1_dbg+0x24/0x80 [ 86.362393][ T5693] softirqs last enabled at (79024): [] local_bh_enable+0x10/0x34 [ 86.363756][ T5693] softirqs last disabled at (79022): [] local_bh_disable+0x10/0x34 [ 86.365130][ T5693] ---[ end trace 2342c250da4a9da8 ]--- [ 86.368313][ T5693] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 86.369995][ T5693] BTRFS info (device loop0): forced readonly [ 86.370973][ T5693] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 86.372607][ T5693] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 86.374795][ T5693] BTRFS info (device loop0): balance: ended with status: -30 [ 86.409317][ T4254] Bluetooth: hci0: command 0x0419 tx timeout [ 86.513506][ T5715] loop0: detected capacity change from 0 to 32768 [ 86.550995][ T5715] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.40 (5715) [ 86.640474][ T5715] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 86.641883][ T5715] BTRFS info (device loop0): using free space tree [ 86.642911][ T5715] BTRFS info (device loop0): has skinny extents [ 86.669120][ T5715] BTRFS info (device loop0): enabling ssd optimizations [ 86.680002][ T5715] BTRFS info (device loop0): balance: start -s [ 86.681323][ T5715] ------------[ cut here ]------------ [ 86.682275][ T5715] WARNING: CPU: 0 PID: 5715 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0x9e8/0xca8 [ 86.684018][ T5715] Modules linked in: [ 86.684543][ T5715] CPU: 0 PID: 5715 Comm: syz.0.40 Tainted: G W syzkaller #0 [ 86.685858][ T5715] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.687336][ T5715] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 86.688480][ T5715] pc : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 86.689469][ T5715] lr : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 86.690493][ T5715] sp : ffff800021c27540 [ 86.691066][ T5715] x29: ffff800021c27710 x28: ffff0000d7a6a058 x27: ffff0000de5a98a0 [ 86.692227][ T5715] x26: ffff0000de5a9898 x25: ffff0000d7a6a050 x24: dfff800000000000 [ 86.693405][ T5715] x23: ffff0000d7a6a1b0 x22: 1fffe0001af4d40b x21: 1fffe0001af4d40a [ 86.694644][ T5715] x20: 00000000ffffffe4 x19: ffff0000c17b59d0 x18: 0000000000000001 [ 86.696039][ T5715] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 86.697422][ T5715] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 86.698739][ T5715] x11: 0000000000000000 x10: 0000000000000000 x9 : 5a90eb4b17ec0b00 [ 86.700000][ T5715] x8 : 5a90eb4b17ec0b00 x7 : 0000000000000001 x6 : 0000000000000001 [ 86.701288][ T5715] x5 : ffff800021c26e38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 86.702583][ T5715] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 86.703827][ T5715] Call trace: [ 86.704343][ T5715] btrfs_create_pending_block_groups+0x9e8/0xca8 [ 86.705389][ T5715] __btrfs_end_transaction+0x13c/0x608 [ 86.706275][ T5715] btrfs_end_transaction+0x24/0x34 [ 86.707051][ T5715] btrfs_inc_block_group_ro+0x4ec/0x558 [ 86.707982][ T5715] btrfs_relocate_block_group+0x2b8/0x8a4 [ 86.708908][ T5715] btrfs_relocate_chunk+0xb8/0x280 [ 86.709746][ T5715] __btrfs_balance+0x1170/0x1ba4 [ 86.710583][ T5715] btrfs_balance+0xac4/0x1138 [ 86.711313][ T5715] btrfs_ioctl_balance+0x4cc/0x658 [ 86.712177][ T5715] btrfs_ioctl+0x8d0/0xb38 [ 86.712836][ T5715] __arm64_sys_ioctl+0x14c/0x1c8 [ 86.713645][ T5715] invoke_syscall+0x98/0x2b8 [ 86.714300][ T5715] el0_svc_common+0x138/0x258 [ 86.714966][ T5715] do_el0_svc+0x58/0x14c [ 86.715574][ T5715] el0_svc+0x78/0x1e0 [ 86.716174][ T5715] el0t_64_sync_handler+0xcc/0xe4 [ 86.716924][ T5715] el0t_64_sync+0x1a0/0x1a4 [ 86.717574][ T5715] irq event stamp: 79348 [ 86.718225][ T5715] hardirqs last enabled at (79347): [] __up_console_sem+0xb4/0x100 [ 86.719668][ T5715] hardirqs last disabled at (79348): [] el1_dbg+0x24/0x80 [ 86.720878][ T5715] softirqs last enabled at (79212): [] local_bh_enable+0x10/0x34 [ 86.722267][ T5715] softirqs last disabled at (79210): [] local_bh_disable+0x10/0x34 [ 86.723583][ T5715] ---[ end trace 2342c250da4a9da9 ]--- [ 86.724733][ T5715] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 86.726410][ T5715] BTRFS info (device loop0): forced readonly [ 86.727269][ T5715] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 86.728912][ T5715] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 86.730628][ T5715] BTRFS info (device loop0): balance: ended with status: -30 [ 86.867469][ T5737] loop0: detected capacity change from 0 to 32768 [ 86.901855][ T5737] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.41 (5737) [ 86.904865][ T5737] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 86.906249][ T5737] BTRFS info (device loop0): using free space tree [ 86.907240][ T5737] BTRFS info (device loop0): has skinny extents [ 86.915433][ T5737] BTRFS info (device loop0): enabling ssd optimizations [ 86.927077][ T5737] BTRFS info (device loop0): balance: start -s [ 86.928371][ T5737] ------------[ cut here ]------------ [ 86.929554][ T5737] WARNING: CPU: 0 PID: 5737 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0x9e8/0xca8 [ 86.931228][ T5737] Modules linked in: [ 86.931849][ T5737] CPU: 0 PID: 5737 Comm: syz.0.41 Tainted: G W syzkaller #0 [ 86.933136][ T5737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.934615][ T5737] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 86.935712][ T5737] pc : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 86.936722][ T5737] lr : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 86.937711][ T5737] sp : ffff800021c27540 [ 86.938310][ T5737] x29: ffff800021c27710 x28: ffff0000dc9aa858 x27: ffff0000de5a9740 [ 86.939508][ T5737] x26: ffff0000de5a9738 x25: ffff0000dc9aa850 x24: dfff800000000000 [ 86.940737][ T5737] x23: ffff0000dc9aa9b0 x22: 1fffe0001b93550b x21: 1fffe0001b93550a [ 86.942014][ T5737] x20: 00000000ffffffe4 x19: ffff0000c17b59d0 x18: 0000000000000001 [ 86.943341][ T5737] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 86.944532][ T5737] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 86.945820][ T5737] x11: 0000000000000000 x10: 0000000000000000 x9 : e7d9f2cb557a8500 [ 86.947100][ T5737] x8 : e7d9f2cb557a8500 x7 : 0000000000000001 x6 : 0000000000000001 [ 86.948353][ T5737] x5 : ffff800021c26e38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 86.949672][ T5737] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 86.950960][ T5737] Call trace: [ 86.951470][ T5737] btrfs_create_pending_block_groups+0x9e8/0xca8 [ 86.952456][ T5737] __btrfs_end_transaction+0x13c/0x608 [ 86.953284][ T5737] btrfs_end_transaction+0x24/0x34 [ 86.954050][ T5737] btrfs_inc_block_group_ro+0x4ec/0x558 [ 86.954960][ T5737] btrfs_relocate_block_group+0x2b8/0x8a4 [ 86.955894][ T5737] btrfs_relocate_chunk+0xb8/0x280 [ 86.956754][ T5737] __btrfs_balance+0x1170/0x1ba4 [ 86.957519][ T5737] btrfs_balance+0xac4/0x1138 [ 86.958227][ T5737] btrfs_ioctl_balance+0x4cc/0x658 [ 86.959047][ T5737] btrfs_ioctl+0x8d0/0xb38 [ 86.959758][ T5737] __arm64_sys_ioctl+0x14c/0x1c8 [ 86.960505][ T5737] invoke_syscall+0x98/0x2b8 [ 86.961155][ T5737] el0_svc_common+0x138/0x258 [ 86.961869][ T5737] do_el0_svc+0x58/0x14c [ 86.962495][ T5737] el0_svc+0x78/0x1e0 [ 86.963062][ T5737] el0t_64_sync_handler+0xcc/0xe4 [ 86.963776][ T5737] el0t_64_sync+0x1a0/0x1a4 [ 86.964466][ T5737] irq event stamp: 79308 [ 86.965085][ T5737] hardirqs last enabled at (79307): [] __up_console_sem+0xb4/0x100 [ 86.966560][ T5737] hardirqs last disabled at (79308): [] el1_dbg+0x24/0x80 [ 86.967930][ T5737] softirqs last enabled at (79296): [] handle_softirqs+0xa4c/0xbf0 [ 86.969493][ T5737] softirqs last disabled at (79281): [] __irq_exit_rcu+0x240/0x440 [ 86.970996][ T5737] ---[ end trace 2342c250da4a9daa ]--- [ 86.974552][ T5737] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 86.976217][ T5737] BTRFS info (device loop0): forced readonly [ 86.977219][ T5737] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 86.979063][ T5737] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 86.981358][ T5737] BTRFS info (device loop0): balance: ended with status: -30 [ 87.132372][ T5759] loop0: detected capacity change from 0 to 32768 [ 87.223656][ T5759] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.42 (5759) [ 87.227028][ T5759] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 87.228306][ T5759] BTRFS info (device loop0): using free space tree [ 87.229510][ T5759] BTRFS info (device loop0): has skinny extents [ 87.238342][ T5759] BTRFS info (device loop0): enabling ssd optimizations [ 87.243182][ T5759] BTRFS info (device loop0): balance: start -s [ 87.244503][ T5759] ------------[ cut here ]------------ [ 87.245566][ T5759] WARNING: CPU: 1 PID: 5759 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0x9e8/0xca8 [ 87.247200][ T5759] Modules linked in: [ 87.247784][ T5759] CPU: 1 PID: 5759 Comm: syz.0.42 Tainted: G W syzkaller #0 [ 87.249208][ T5759] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 87.250858][ T5759] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 87.252028][ T5759] pc : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 87.252950][ T5759] lr : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 87.253986][ T5759] sp : ffff8000224c7540 [ 87.254602][ T5759] x29: ffff8000224c7710 x28: ffff0000d847c058 x27: ffff0000de53b740 [ 87.255788][ T5759] x26: ffff0000de53b738 x25: ffff0000d847c050 x24: dfff800000000000 [ 87.256967][ T5759] x23: ffff0000d847c1b0 x22: 1fffe0001b08f80b x21: 1fffe0001b08f80a [ 87.258192][ T5759] x20: 00000000ffffffe4 x19: ffff0000da7219d0 x18: 0000000000000001 [ 87.259443][ T5759] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 87.260626][ T5759] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 87.261848][ T5759] x11: 0000000000000000 x10: 0000000000000000 x9 : 484f240029b7cb00 [ 87.263078][ T5759] x8 : 484f240029b7cb00 x7 : 0000000000000001 x6 : 0000000000000001 [ 87.264282][ T5759] x5 : ffff8000224c6e38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 87.265491][ T5759] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 87.266715][ T5759] Call trace: [ 87.267130][ T5759] btrfs_create_pending_block_groups+0x9e8/0xca8 [ 87.268034][ T5759] __btrfs_end_transaction+0x13c/0x608 [ 87.268828][ T5759] btrfs_end_transaction+0x24/0x34 [ 87.269642][ T5759] btrfs_inc_block_group_ro+0x4ec/0x558 [ 87.270465][ T5759] btrfs_relocate_block_group+0x2b8/0x8a4 [ 87.271270][ T5759] btrfs_relocate_chunk+0xb8/0x280 [ 87.272030][ T5759] __btrfs_balance+0x1170/0x1ba4 [ 87.272776][ T5759] btrfs_balance+0xac4/0x1138 [ 87.273481][ T5759] btrfs_ioctl_balance+0x4cc/0x658 [ 87.274246][ T5759] btrfs_ioctl+0x8d0/0xb38 [ 87.274907][ T5759] __arm64_sys_ioctl+0x14c/0x1c8 [ 87.275579][ T5759] invoke_syscall+0x98/0x2b8 [ 87.276210][ T5759] el0_svc_common+0x138/0x258 [ 87.276926][ T5759] do_el0_svc+0x58/0x14c [ 87.277608][ T5759] el0_svc+0x78/0x1e0 [ 87.278249][ T5759] el0t_64_sync_handler+0xcc/0xe4 [ 87.279033][ T5759] el0t_64_sync+0x1a0/0x1a4 [ 87.279778][ T5759] irq event stamp: 78950 [ 87.280470][ T5759] hardirqs last enabled at (78949): [] __up_console_sem+0xb4/0x100 [ 87.281961][ T5759] hardirqs last disabled at (78950): [] el1_dbg+0x24/0x80 [ 87.283367][ T5759] softirqs last enabled at (78810): [] local_bh_enable+0x10/0x34 [ 87.284850][ T5759] softirqs last disabled at (78808): [] local_bh_disable+0x10/0x34 [ 87.286319][ T5759] ---[ end trace 2342c250da4a9dab ]--- [ 87.290724][ T5759] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 87.292379][ T5759] BTRFS info (device loop0): forced readonly [ 87.293346][ T5759] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 87.295087][ T5759] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 87.296801][ T5759] BTRFS info (device loop0): balance: ended with status: -30 [ 87.427395][ T5781] loop0: detected capacity change from 0 to 32768 [ 87.450462][ T5781] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.43 (5781) [ 87.511667][ T5781] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 87.513101][ T5781] BTRFS info (device loop0): using free space tree [ 87.514063][ T5781] BTRFS info (device loop0): has skinny extents [ 87.521920][ T5781] BTRFS info (device loop0): enabling ssd optimizations [ 87.526309][ T5781] BTRFS info (device loop0): balance: start -s [ 87.527587][ T5781] ------------[ cut here ]------------ [ 87.528605][ T5781] WARNING: CPU: 1 PID: 5781 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0x9e8/0xca8 [ 87.530460][ T5781] Modules linked in: [ 87.531086][ T5781] CPU: 1 PID: 5781 Comm: syz.0.43 Tainted: G W syzkaller #0 [ 87.532311][ T5781] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 87.533845][ T5781] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 87.534956][ T5781] pc : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 87.535931][ T5781] lr : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 87.536893][ T5781] sp : ffff8000224c7540 [ 87.537542][ T5781] x29: ffff8000224c7710 x28: ffff0000d836a058 x27: ffff0000de53bab0 [ 87.538706][ T5781] x26: ffff0000de53baa8 x25: ffff0000d836a050 x24: dfff800000000000 [ 87.539906][ T5781] x23: ffff0000d836a1b0 x22: 1fffe0001b06d40b x21: 1fffe0001b06d40a [ 87.541158][ T5781] x20: 00000000ffffffe4 x19: ffff0000cf2559d0 x18: 0000000000000001 [ 87.542340][ T5781] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 87.543591][ T5781] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 87.544857][ T5781] x11: 0000000000000000 x10: 0000000000000000 x9 : 74eb58e1ee960900 [ 87.546068][ T5781] x8 : 74eb58e1ee960900 x7 : 0000000000000001 x6 : 0000000000000001 [ 87.547304][ T5781] x5 : ffff8000224c6e38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 87.548571][ T5781] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 87.549813][ T5781] Call trace: [ 87.550355][ T5781] btrfs_create_pending_block_groups+0x9e8/0xca8 [ 87.551297][ T5781] __btrfs_end_transaction+0x13c/0x608 [ 87.552113][ T5781] btrfs_end_transaction+0x24/0x34 [ 87.552881][ T5781] btrfs_inc_block_group_ro+0x4ec/0x558 [ 87.553695][ T5781] btrfs_relocate_block_group+0x2b8/0x8a4 [ 87.554606][ T5781] btrfs_relocate_chunk+0xb8/0x280 [ 87.555346][ T5781] __btrfs_balance+0x1170/0x1ba4 [ 87.556148][ T5781] btrfs_balance+0xac4/0x1138 [ 87.556910][ T5781] btrfs_ioctl_balance+0x4cc/0x658 [ 87.557733][ T5781] btrfs_ioctl+0x8d0/0xb38 [ 87.558396][ T5781] __arm64_sys_ioctl+0x14c/0x1c8 [ 87.559134][ T5781] invoke_syscall+0x98/0x2b8 [ 87.559826][ T5781] el0_svc_common+0x138/0x258 [ 87.560666][ T5781] do_el0_svc+0x58/0x14c [ 87.561376][ T5781] el0_svc+0x78/0x1e0 [ 87.561982][ T5781] el0t_64_sync_handler+0xcc/0xe4 [ 87.562780][ T5781] el0t_64_sync+0x1a0/0x1a4 [ 87.563444][ T5781] irq event stamp: 79044 [ 87.564063][ T5781] hardirqs last enabled at (79043): [] __up_console_sem+0xb4/0x100 [ 87.565524][ T5781] hardirqs last disabled at (79044): [] el1_dbg+0x24/0x80 [ 87.566988][ T5781] softirqs last enabled at (78916): [] local_bh_enable+0x10/0x34 [ 87.568426][ T5781] softirqs last disabled at (78914): [] local_bh_disable+0x10/0x34 [ 87.569943][ T5781] ---[ end trace 2342c250da4a9dac ]--- [ 87.573494][ T5781] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 87.575147][ T5781] BTRFS info (device loop0): forced readonly [ 87.576175][ T5781] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 87.577868][ T5781] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 87.579596][ T5781] BTRFS info (device loop0): balance: ended with status: -30 [ 87.736498][ T5803] loop0: detected capacity change from 0 to 32768 [ 87.740967][ T5803] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.44 (5803) [ 87.749536][ T5803] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 87.750765][ T5803] BTRFS info (device loop0): using free space tree [ 87.751747][ T5803] BTRFS info (device loop0): has skinny extents [ 87.793363][ T5803] BTRFS info (device loop0): enabling ssd optimizations [ 87.802019][ T5803] BTRFS info (device loop0): balance: start -s [ 87.803270][ T5803] ------------[ cut here ]------------ [ 87.804288][ T5803] WARNING: CPU: 0 PID: 5803 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0x9e8/0xca8 [ 87.806070][ T5803] Modules linked in: [ 87.806673][ T5803] CPU: 0 PID: 5803 Comm: syz.0.44 Tainted: G W syzkaller #0 [ 87.808029][ T5803] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 87.809624][ T5803] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 87.810889][ T5803] pc : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 87.811980][ T5803] lr : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 87.813031][ T5803] sp : ffff800022617540 [ 87.813619][ T5803] x29: ffff800022617710 x28: ffff0000cdd43858 x27: ffff0000de5a9b60 [ 87.814872][ T5803] x26: ffff0000de5a9b58 x25: ffff0000cdd43850 x24: dfff800000000000 [ 87.816122][ T5803] x23: ffff0000cdd439b0 x22: 1fffe00019ba870b x21: 1fffe00019ba870a [ 87.817403][ T5803] x20: 00000000ffffffe4 x19: ffff0000ce89d9d0 x18: 0000000000000001 [ 87.818523][ T5803] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 87.819736][ T5803] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 87.820924][ T5803] x11: 0000000000000000 x10: 0000000000000000 x9 : 83f8d35ec056f900 [ 87.822089][ T5803] x8 : 83f8d35ec056f900 x7 : 0000000000000001 x6 : 0000000000000001 [ 87.823287][ T5803] x5 : ffff800022616e38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 87.824684][ T5803] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 87.826029][ T5803] Call trace: [ 87.826564][ T5803] btrfs_create_pending_block_groups+0x9e8/0xca8 [ 87.827551][ T5803] __btrfs_end_transaction+0x13c/0x608 [ 87.828413][ T5803] btrfs_end_transaction+0x24/0x34 [ 87.829280][ T5803] btrfs_inc_block_group_ro+0x4ec/0x558 [ 87.830107][ T5803] btrfs_relocate_block_group+0x2b8/0x8a4 [ 87.831013][ T5803] btrfs_relocate_chunk+0xb8/0x280 [ 87.831750][ T5803] __btrfs_balance+0x1170/0x1ba4 [ 87.832476][ T5803] btrfs_balance+0xac4/0x1138 [ 87.833211][ T5803] btrfs_ioctl_balance+0x4cc/0x658 [ 87.833950][ T5803] btrfs_ioctl+0x8d0/0xb38 [ 87.834585][ T5803] __arm64_sys_ioctl+0x14c/0x1c8 [ 87.835277][ T5803] invoke_syscall+0x98/0x2b8 [ 87.836003][ T5803] el0_svc_common+0x138/0x258 [ 87.836733][ T5803] do_el0_svc+0x58/0x14c [ 87.837409][ T5803] el0_svc+0x78/0x1e0 [ 87.838007][ T5803] el0t_64_sync_handler+0xcc/0xe4 [ 87.838854][ T5803] el0t_64_sync+0x1a0/0x1a4 [ 87.839628][ T5803] irq event stamp: 80196 [ 87.840349][ T5803] hardirqs last enabled at (80195): [] __up_console_sem+0xb4/0x100 [ 87.841952][ T5803] hardirqs last disabled at (80196): [] el1_dbg+0x24/0x80 [ 87.843326][ T5803] softirqs last enabled at (80058): [] local_bh_enable+0x10/0x34 [ 87.844812][ T5803] softirqs last disabled at (80056): [] local_bh_disable+0x10/0x34 [ 87.846419][ T5803] ---[ end trace 2342c250da4a9dad ]--- [ 87.847635][ T5803] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 87.849110][ T5803] BTRFS info (device loop0): forced readonly [ 87.850972][ T5803] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 87.852495][ T5803] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 87.854051][ T5803] BTRFS info (device loop0): balance: ended with status: -30 [ 88.036070][ T5824] loop0: detected capacity change from 0 to 32768 [ 88.080098][ T5824] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.45 (5824) [ 88.089951][ T5824] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 88.091452][ T5824] BTRFS info (device loop0): using free space tree [ 88.092471][ T5824] BTRFS info (device loop0): has skinny extents [ 88.099876][ T5824] BTRFS info (device loop0): enabling ssd optimizations [ 88.104654][ T5824] BTRFS info (device loop0): balance: start -s [ 88.105898][ T5824] ------------[ cut here ]------------ [ 88.106902][ T5824] WARNING: CPU: 1 PID: 5824 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0x9e8/0xca8 [ 88.108569][ T5824] Modules linked in: [ 88.109198][ T5824] CPU: 1 PID: 5824 Comm: syz.0.45 Tainted: G W syzkaller #0 [ 88.110572][ T5824] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 88.112180][ T5824] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 88.113429][ T5824] pc : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 88.114534][ T5824] lr : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 88.115579][ T5824] sp : ffff800022b27540 [ 88.116225][ T5824] x29: ffff800022b27710 x28: ffff0000cc72c858 x27: ffff0000de53bb60 [ 88.117461][ T5824] x26: ffff0000de53bb58 x25: ffff0000cc72c850 x24: dfff800000000000 [ 88.118744][ T5824] x23: ffff0000cc72c9b0 x22: 1fffe000198e590b x21: 1fffe000198e590a [ 88.119943][ T5824] x20: 00000000ffffffe4 x19: ffff0000ce89d9d0 x18: 0000000000000001 [ 88.121121][ T5824] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 88.122270][ T5824] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 88.123431][ T5824] x11: 0000000000000000 x10: 0000000000000000 x9 : a054d3fa4b9d8100 [ 88.124616][ T5824] x8 : a054d3fa4b9d8100 x7 : 0000000000000001 x6 : 0000000000000001 [ 88.125989][ T5824] x5 : ffff800022b26e38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 88.127327][ T5824] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 88.128656][ T5824] Call trace: [ 88.129205][ T5824] btrfs_create_pending_block_groups+0x9e8/0xca8 [ 88.130270][ T5824] __btrfs_end_transaction+0x13c/0x608 [ 88.131104][ T5824] btrfs_end_transaction+0x24/0x34 [ 88.131881][ T5824] btrfs_inc_block_group_ro+0x4ec/0x558 [ 88.132764][ T5824] btrfs_relocate_block_group+0x2b8/0x8a4 [ 88.133643][ T5824] btrfs_relocate_chunk+0xb8/0x280 [ 88.134410][ T5824] __btrfs_balance+0x1170/0x1ba4 [ 88.135196][ T5824] btrfs_balance+0xac4/0x1138 [ 88.135863][ T5824] btrfs_ioctl_balance+0x4cc/0x658 [ 88.136630][ T5824] btrfs_ioctl+0x8d0/0xb38 [ 88.137364][ T5824] __arm64_sys_ioctl+0x14c/0x1c8 [ 88.138134][ T5824] invoke_syscall+0x98/0x2b8 [ 88.138855][ T5824] el0_svc_common+0x138/0x258 [ 88.139602][ T5824] do_el0_svc+0x58/0x14c [ 88.140282][ T5824] el0_svc+0x78/0x1e0 [ 88.140908][ T5824] el0t_64_sync_handler+0xcc/0xe4 [ 88.141697][ T5824] el0t_64_sync+0x1a0/0x1a4 [ 88.142407][ T5824] irq event stamp: 79228 [ 88.143093][ T5824] hardirqs last enabled at (79227): [] __up_console_sem+0xb4/0x100 [ 88.144573][ T5824] hardirqs last disabled at (79228): [] el1_dbg+0x24/0x80 [ 88.145803][ T5824] softirqs last enabled at (79088): [] local_bh_enable+0x10/0x34 [ 88.147119][ T5824] softirqs last disabled at (79086): [] local_bh_disable+0x10/0x34 [ 88.148525][ T5824] ---[ end trace 2342c250da4a9dae ]--- [ 88.151779][ T5824] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 88.153380][ T5824] BTRFS info (device loop0): forced readonly [ 88.154355][ T5824] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 88.155928][ T5824] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 88.157573][ T5824] BTRFS info (device loop0): balance: ended with status: -30 1970/01/01 00:01:28 executed programs: 32 [ 88.292054][ T5846] loop0: detected capacity change from 0 to 32768 [ 88.395037][ T5846] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.46 (5846) [ 88.398564][ T5846] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 88.400287][ T5846] BTRFS info (device loop0): using free space tree [ 88.401241][ T5846] BTRFS info (device loop0): has skinny extents [ 88.417079][ T5846] BTRFS info (device loop0): enabling ssd optimizations [ 88.422306][ T5846] BTRFS info (device loop0): balance: start -s [ 88.423571][ T5846] ------------[ cut here ]------------ [ 88.424554][ T5846] WARNING: CPU: 0 PID: 5846 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0x9e8/0xca8 [ 88.426400][ T5846] Modules linked in: [ 88.426958][ T5846] CPU: 0 PID: 5846 Comm: syz.0.46 Tainted: G W syzkaller #0 [ 88.428275][ T5846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 88.429703][ T5846] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 88.430879][ T5846] pc : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 88.431912][ T5846] lr : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 88.432941][ T5846] sp : ffff800022c67540 [ 88.433600][ T5846] x29: ffff800022c67710 x28: ffff0000dba4d858 x27: ffff0000de5a9cc0 [ 88.434784][ T5846] x26: ffff0000de5a9cb8 x25: ffff0000dba4d850 x24: dfff800000000000 [ 88.436089][ T5846] x23: ffff0000dba4d9b0 x22: 1fffe0001b749b0b x21: 1fffe0001b749b0a [ 88.437351][ T5846] x20: 00000000ffffffe4 x19: ffff0000e794d9d0 x18: 0000000000000001 [ 88.438668][ T5846] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 88.439859][ T5846] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 88.441084][ T5846] x11: 0000000000000000 x10: 0000000000000000 x9 : 7917a804a9cbeb00 [ 88.442236][ T5846] x8 : 7917a804a9cbeb00 x7 : 0000000000000001 x6 : 0000000000000001 [ 88.443396][ T5846] x5 : ffff800022c66e38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 88.444675][ T5846] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 88.445898][ T5846] Call trace: [ 88.446427][ T5846] btrfs_create_pending_block_groups+0x9e8/0xca8 [ 88.447423][ T5846] __btrfs_end_transaction+0x13c/0x608 [ 88.448270][ T5846] btrfs_end_transaction+0x24/0x34 [ 88.449141][ T5846] btrfs_inc_block_group_ro+0x4ec/0x558 [ 88.449976][ T5846] btrfs_relocate_block_group+0x2b8/0x8a4 [ 88.450881][ T5846] btrfs_relocate_chunk+0xb8/0x280 [ 88.451630][ T5846] __btrfs_balance+0x1170/0x1ba4 [ 88.452419][ T5846] btrfs_balance+0xac4/0x1138 [ 88.453145][ T5846] btrfs_ioctl_balance+0x4cc/0x658 [ 88.453927][ T5846] btrfs_ioctl+0x8d0/0xb38 [ 88.454569][ T5846] __arm64_sys_ioctl+0x14c/0x1c8 [ 88.455304][ T5846] invoke_syscall+0x98/0x2b8 [ 88.455947][ T5846] el0_svc_common+0x138/0x258 [ 88.456668][ T5846] do_el0_svc+0x58/0x14c [ 88.457245][ T5846] el0_svc+0x78/0x1e0 [ 88.457855][ T5846] el0t_64_sync_handler+0xcc/0xe4 [ 88.458592][ T5846] el0t_64_sync+0x1a0/0x1a4 [ 88.459252][ T5846] irq event stamp: 79228 [ 88.459877][ T5846] hardirqs last enabled at (79227): [] __up_console_sem+0xb4/0x100 [ 88.461516][ T5846] hardirqs last disabled at (79228): [] el1_dbg+0x24/0x80 [ 88.462892][ T5846] softirqs last enabled at (79100): [] local_bh_enable+0x10/0x34 [ 88.464399][ T5846] softirqs last disabled at (79098): [] local_bh_disable+0x10/0x34 [ 88.465714][ T5846] ---[ end trace 2342c250da4a9daf ]--- [ 88.469456][ T5846] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 88.471116][ T5846] BTRFS info (device loop0): forced readonly [ 88.472099][ T5846] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 88.473766][ T5846] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 88.475475][ T5846] BTRFS info (device loop0): balance: ended with status: -30 [ 88.685110][ T5868] loop0: detected capacity change from 0 to 32768 [ 88.783631][ T5868] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.47 (5868) [ 88.788564][ T5868] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 88.790303][ T5868] BTRFS info (device loop0): using free space tree [ 88.832908][ T5868] ------------[ cut here ]------------ [ 88.833905][ T5868] WARNING: CPU: 1 PID: 5868 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0x9e8/0xca8 [ 88.835690][ T5868] Modules linked in: [ 88.836315][ T5868] CPU: 1 PID: 5868 Comm: syz.0.47 Tainted: G W syzkaller #0 [ 88.837688][ T5868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 88.839181][ T5868] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 88.840380][ T5868] pc : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 88.841501][ T5868] lr : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 88.842529][ T5868] sp : ffff800022c67540 [ 88.843140][ T5868] x29: ffff800022c67710 x28: ffff0000d93ff058 x27: ffff0000de53b270 [ 88.844421][ T5868] x26: ffff0000de53b268 x25: ffff0000d93ff050 x24: dfff800000000000 [ 88.845617][ T5868] x23: ffff0000d93ff1b0 x22: 1fffe0001b27fe0b x21: 1fffe0001b27fe0a [ 88.846788][ T5868] x20: 00000000ffffffe4 x19: ffff0000c11f59d0 x18: 0000000000000001 [ 88.847988][ T5868] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 88.849166][ T5868] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 88.850309][ T5868] x11: 0000000000000000 x10: 0000000000000000 x9 : 580772a79d6ff200 [ 88.851516][ T5868] x8 : 580772a79d6ff200 x7 : 0000000000000001 x6 : 0000000000000001 [ 88.852749][ T5868] x5 : ffff800022c66e38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 88.853934][ T5868] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 88.855118][ T5868] Call trace: [ 88.855600][ T5868] btrfs_create_pending_block_groups+0x9e8/0xca8 [ 88.856549][ T5868] __btrfs_end_transaction+0x13c/0x608 [ 88.857429][ T5868] btrfs_end_transaction+0x24/0x34 [ 88.858166][ T5868] btrfs_inc_block_group_ro+0x4ec/0x558 [ 88.859088][ T5868] btrfs_relocate_block_group+0x2b8/0x8a4 [ 88.859981][ T5868] btrfs_relocate_chunk+0xb8/0x280 [ 88.860800][ T5868] __btrfs_balance+0x1170/0x1ba4 [ 88.861547][ T5868] btrfs_balance+0xac4/0x1138 [ 88.862185][ T5868] btrfs_ioctl_balance+0x4cc/0x658 [ 88.862971][ T5868] btrfs_ioctl+0x8d0/0xb38 [ 88.863697][ T5868] __arm64_sys_ioctl+0x14c/0x1c8 [ 88.864469][ T5868] invoke_syscall+0x98/0x2b8 [ 88.865169][ T5868] el0_svc_common+0x138/0x258 [ 88.865861][ T5868] do_el0_svc+0x58/0x14c [ 88.866492][ T5868] el0_svc+0x78/0x1e0 [ 88.867094][ T5868] el0t_64_sync_handler+0xcc/0xe4 [ 88.867898][ T5868] el0t_64_sync+0x1a0/0x1a4 [ 88.868544][ T5868] irq event stamp: 78994 [ 88.869148][ T5868] hardirqs last enabled at (78993): [] __up_console_sem+0xb4/0x100 [ 88.870543][ T5868] hardirqs last disabled at (78994): [] el1_dbg+0x24/0x80 [ 88.871968][ T5868] softirqs last enabled at (78880): [] local_bh_enable+0x10/0x34 [ 88.873421][ T5868] softirqs last disabled at (78878): [] local_bh_disable+0x10/0x34 [ 88.874887][ T5868] ---[ end trace 2342c250da4a9db0 ]--- [ 88.908468][ T5868] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 88.910387][ T5868] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 88.912063][ T5868] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 89.114753][ T5890] loop0: detected capacity change from 0 to 32768 [ 89.118886][ T5890] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.48 (5890) [ 89.134186][ T5890] ------------[ cut here ]------------ [ 89.135193][ T5890] WARNING: CPU: 0 PID: 5890 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0x9e8/0xca8 [ 89.136777][ T5890] Modules linked in: [ 89.137345][ T5890] CPU: 0 PID: 5890 Comm: syz.0.48 Tainted: G W syzkaller #0 [ 89.138795][ T5890] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 89.140486][ T5890] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 89.141715][ T5890] pc : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 89.142767][ T5890] lr : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 89.143764][ T5890] sp : ffff800022e97540 [ 89.144400][ T5890] x29: ffff800022e97710 x28: ffff0000d13d4858 x27: ffff0000de5a9270 [ 89.145636][ T5890] x26: ffff0000de5a9268 x25: ffff0000d13d4850 x24: dfff800000000000 [ 89.146853][ T5890] x23: ffff0000d13d49b0 x22: 1fffe0001a27a90b x21: 1fffe0001a27a90a [ 89.148062][ T5890] x20: 00000000ffffffe4 x19: ffff0000d21399d0 x18: 0000000000000001 [ 89.149306][ T5890] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 89.150509][ T5890] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 89.151719][ T5890] x11: 0000000000000000 x10: 0000000000000000 x9 : a0af926d1ab42100 [ 89.152931][ T5890] x8 : a0af926d1ab42100 x7 : 0000000000000001 x6 : 0000000000000001 [ 89.154156][ T5890] x5 : ffff800022e96e38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 89.155413][ T5890] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 89.156597][ T5890] Call trace: [ 89.157052][ T5890] btrfs_create_pending_block_groups+0x9e8/0xca8 [ 89.158030][ T5890] __btrfs_end_transaction+0x13c/0x608 [ 89.158850][ T5890] btrfs_end_transaction+0x24/0x34 [ 89.159615][ T5890] btrfs_inc_block_group_ro+0x4ec/0x558 [ 89.160422][ T5890] btrfs_relocate_block_group+0x2b8/0x8a4 [ 89.161304][ T5890] btrfs_relocate_chunk+0xb8/0x280 [ 89.162064][ T5890] __btrfs_balance+0x1170/0x1ba4 [ 89.162877][ T5890] btrfs_balance+0xac4/0x1138 [ 89.163518][ T5890] btrfs_ioctl_balance+0x4cc/0x658 [ 89.164351][ T5890] btrfs_ioctl+0x8d0/0xb38 [ 89.164954][ T5890] __arm64_sys_ioctl+0x14c/0x1c8 [ 89.165642][ T5890] invoke_syscall+0x98/0x2b8 [ 89.166356][ T5890] el0_svc_common+0x138/0x258 [ 89.166993][ T5890] do_el0_svc+0x58/0x14c [ 89.167613][ T5890] el0_svc+0x78/0x1e0 [ 89.168167][ T5890] el0t_64_sync_handler+0xcc/0xe4 [ 89.168931][ T5890] el0t_64_sync+0x1a0/0x1a4 [ 89.169572][ T5890] irq event stamp: 80004 [ 89.170221][ T5890] hardirqs last enabled at (80003): [] __up_console_sem+0xb4/0x100 [ 89.171665][ T5890] hardirqs last disabled at (80004): [] el1_dbg+0x24/0x80 [ 89.172972][ T5890] softirqs last enabled at (79870): [] local_bh_enable+0x10/0x34 [ 89.174356][ T5890] softirqs last disabled at (79868): [] local_bh_disable+0x10/0x34 [ 89.175737][ T5890] ---[ end trace 2342c250da4a9db1 ]--- [ 89.177498][ T5890] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 89.179181][ T5890] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 89.180727][ T5890] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 89.360533][ T5911] loop0: detected capacity change from 0 to 32768 [ 89.408018][ T5911] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.49 (5911) [ 89.435398][ T5911] ------------[ cut here ]------------ [ 89.436414][ T5911] WARNING: CPU: 0 PID: 5911 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0x9e8/0xca8 [ 89.438071][ T5911] Modules linked in: [ 89.438659][ T5911] CPU: 0 PID: 5911 Comm: syz.0.49 Tainted: G W syzkaller #0 [ 89.439984][ T5911] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 89.441493][ T5911] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 89.442648][ T5911] pc : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 89.443684][ T5911] lr : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 89.444703][ T5911] sp : ffff800022fb7540 [ 89.445361][ T5911] x29: ffff800022fb7710 x28: ffff0000d94de058 x27: ffff0000de5a9530 [ 89.446609][ T5911] x26: ffff0000de5a9528 x25: ffff0000d94de050 x24: dfff800000000000 [ 89.447840][ T5911] x23: ffff0000d94de1b0 x22: 1fffe0001b29bc0b x21: 1fffe0001b29bc0a [ 89.449053][ T5911] x20: 00000000ffffffe4 x19: ffff0000d00b99d0 x18: 0000000000000001 [ 89.450328][ T5911] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 89.451666][ T5911] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 89.452862][ T5911] x11: 0000000000000000 x10: 0000000000000000 x9 : 8b41402ac2c1f500 [ 89.454128][ T5911] x8 : 8b41402ac2c1f500 x7 : 0000000000000001 x6 : 0000000000000001 [ 89.455385][ T5911] x5 : ffff800022fb6e38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 89.456606][ T5911] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 89.457801][ T5911] Call trace: [ 89.458341][ T5911] btrfs_create_pending_block_groups+0x9e8/0xca8 [ 89.459416][ T5911] __btrfs_end_transaction+0x13c/0x608 [ 89.460281][ T5911] btrfs_end_transaction+0x24/0x34 [ 89.461087][ T5911] btrfs_inc_block_group_ro+0x4ec/0x558 [ 89.462030][ T5911] btrfs_relocate_block_group+0x2b8/0x8a4 [ 89.462935][ T5911] btrfs_relocate_chunk+0xb8/0x280 [ 89.463731][ T5911] __btrfs_balance+0x1170/0x1ba4 [ 89.464525][ T5911] btrfs_balance+0xac4/0x1138 [ 89.465246][ T5911] btrfs_ioctl_balance+0x4cc/0x658 [ 89.466006][ T5911] btrfs_ioctl+0x8d0/0xb38 [ 89.466650][ T5911] __arm64_sys_ioctl+0x14c/0x1c8 [ 89.467424][ T5911] invoke_syscall+0x98/0x2b8 [ 89.468199][ T5911] el0_svc_common+0x138/0x258 [ 89.468893][ T5911] do_el0_svc+0x58/0x14c [ 89.469577][ T5911] el0_svc+0x78/0x1e0 [ 89.470209][ T5911] el0t_64_sync_handler+0xcc/0xe4 [ 89.470986][ T5911] el0t_64_sync+0x1a0/0x1a4 [ 89.471634][ T5911] irq event stamp: 79076 [ 89.472281][ T5911] hardirqs last enabled at (79075): [] __up_console_sem+0xb4/0x100 [ 89.473659][ T5911] hardirqs last disabled at (79076): [] el1_dbg+0x24/0x80 [ 89.474925][ T5911] softirqs last enabled at (78944): [] local_bh_enable+0x10/0x34 [ 89.476277][ T5911] softirqs last disabled at (78942): [] local_bh_disable+0x10/0x34 [ 89.477737][ T5911] ---[ end trace 2342c250da4a9db2 ]--- [ 89.478804][ T5911] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 89.480598][ T5911] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 89.482078][ T5911] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left