[ 54.118370][ T841] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.267174][ T841] device veth1_macvtap left promiscuous mode [ 54.268063][ T841] device veth0_macvtap left promiscuous mode [ 54.268934][ T841] device veth1_vlan left promiscuous mode [ 54.269767][ T841] device veth0_vlan left promiscuous mode [ 54.354371][ T841] team0 (unregistering): Port device team_slave_1 removed [ 54.359976][ T841] team0 (unregistering): Port device team_slave_0 removed [ 54.363557][ T841] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 54.410113][ T841] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 54.521042][ T841] bond0 (unregistering): Released all slaves Warning: Permanently added '10.128.1.153' (ED25519) to the list of known hosts. 1970/01/01 00:01:04 parsed 1 programs [ 65.639701][ T4420] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 68.858749][ T148] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 68.860110][ T148] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 68.861560][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 68.870025][ T148] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 68.871273][ T148] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 68.872839][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 69.073781][ T4527] chnl_net:caif_netlink_parms(): no params data found [ 69.093203][ T4527] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.094463][ T4527] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.095951][ T4527] device bridge_slave_0 entered promiscuous mode [ 69.098144][ T4527] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.099278][ T4527] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.100822][ T4527] device bridge_slave_1 entered promiscuous mode [ 69.109374][ T4527] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.111735][ T4527] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.119410][ T4527] team0: Port device team_slave_0 added [ 69.121302][ T4527] team0: Port device team_slave_1 added [ 69.129129][ T4527] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 69.130220][ T4527] 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. [ 69.134005][ T4527] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 69.136297][ T4527] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 69.137586][ T4527] 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. [ 69.141455][ T4527] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 69.198926][ T4527] device hsr_slave_0 entered promiscuous mode [ 69.237207][ T4527] device hsr_slave_1 entered promiscuous mode [ 69.628266][ T2064] ieee802154 phy0 wpan0: encryption failed: -22 [ 69.629430][ T2064] ieee802154 phy1 wpan1: encryption failed: -22 [ 69.647725][ T7] cfg80211: failed to load regulatory.db [ 69.946667][ T4527] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 69.998259][ T4527] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 70.028400][ T4527] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 70.048970][ T4527] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 70.155799][ T4527] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.161365][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.162778][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.165674][ T4527] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.171062][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.172831][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.174147][ T343] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.175221][ T343] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.176484][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.181151][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.182809][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.184206][ T343] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.185286][ T343] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.199250][ T4527] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 70.200843][ T4527] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 70.202872][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.204650][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.207550][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.209351][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.210920][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.212573][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.214091][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.215502][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.216962][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.219998][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.240817][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.242489][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.273775][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.274996][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.279511][ T4527] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.287837][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 70.289460][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 70.294916][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 70.296427][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 70.298640][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 70.300084][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 70.307274][ T4527] device veth0_vlan entered promiscuous mode [ 70.310614][ T4527] device veth1_vlan entered promiscuous mode [ 70.318896][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 70.320494][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 70.321846][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 70.323381][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 70.325535][ T4527] device veth0_macvtap entered promiscuous mode [ 70.329094][ T4527] device veth1_macvtap entered promiscuous mode [ 70.335884][ T4527] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 70.337379][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 70.338838][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 70.340115][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 70.341729][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 70.344690][ T4527] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 70.345919][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 70.347658][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 70.351707][ T4527] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.353195][ T4527] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.354697][ T4527] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.356112][ T4527] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:01:10 executed programs: 0 [ 71.080305][ T4732] chnl_net:caif_netlink_parms(): no params data found [ 71.101679][ T4732] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.102959][ T4732] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.104606][ T4732] device bridge_slave_0 entered promiscuous mode [ 71.106772][ T4732] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.108322][ T4732] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.109779][ T4732] device bridge_slave_1 entered promiscuous mode [ 71.119113][ T4732] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.121929][ T4732] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.138097][ T4732] team0: Port device team_slave_0 added [ 71.140097][ T4732] team0: Port device team_slave_1 added [ 71.148792][ T4732] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 71.149937][ T4732] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 71.153750][ T4732] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 71.156697][ T4732] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 71.163692][ T4732] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 71.168148][ T4732] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 71.208286][ T4732] device hsr_slave_0 entered promiscuous mode [ 71.247584][ T4732] device hsr_slave_1 entered promiscuous mode [ 71.277352][ T4732] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 71.278563][ T4732] Cannot create hsr debugfs directory [ 71.312369][ T4732] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 73.077193][ T4171] Bluetooth: hci0: command 0x0409 tx timeout [ 73.490836][ T4732] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 75.147047][ T4160] Bluetooth: hci0: command 0x041b tx timeout [ 76.120288][ T4732] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 76.161591][ T4732] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 76.329280][ T4732] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 76.358504][ T4732] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 76.388103][ T4732] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 76.438949][ T4732] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 76.500634][ T4732] 8021q: adding VLAN 0 to HW filter on device bond0 [ 76.504168][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 76.505550][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 76.508291][ T4732] 8021q: adding VLAN 0 to HW filter on device team0 [ 76.510524][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 76.512182][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 76.513683][ T343] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.514748][ T343] bridge0: port 1(bridge_slave_0) entered forwarding state [ 76.516156][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 76.519897][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 76.521462][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 76.522954][ T343] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.523977][ T343] bridge0: port 2(bridge_slave_1) entered forwarding state [ 76.526298][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 76.529731][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 76.533156][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 76.535228][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 76.536858][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 76.540949][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 76.542722][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 76.545441][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 76.547085][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 76.549746][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 76.551236][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 76.553495][ T4732] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 76.592532][ T4732] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 76.597084][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 76.598392][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 76.601781][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 76.603391][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 76.620721][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 76.622285][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 76.623947][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 76.625325][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 76.628035][ T4732] device veth0_vlan entered promiscuous mode [ 76.631361][ T4732] device veth1_vlan entered promiscuous mode [ 76.638649][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 76.640093][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 76.641536][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 76.643006][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 76.645251][ T4732] device veth0_macvtap entered promiscuous mode [ 76.648352][ T4732] device veth1_macvtap entered promiscuous mode [ 76.653355][ T4732] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 76.654976][ T4732] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 76.657884][ T4732] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 76.670921][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 76.672480][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 76.673881][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 76.675378][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 76.678463][ T4732] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 76.679963][ T4732] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 76.681825][ T4732] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 76.683085][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 76.684690][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 76.687627][ T4732] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.688965][ T4732] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.690261][ T4732] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.691515][ T4732] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.712229][ T343] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 76.713442][ T343] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 76.714915][ T1608] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 76.723222][ T1608] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 76.724539][ T1608] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 76.728841][ T1608] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:01:16 executed programs: 2 [ 76.852533][ T4939] loop0: detected capacity change from 0 to 32768 [ 76.898267][ T4939] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.16 (4939) [ 76.903707][ T4939] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 76.905093][ T4939] BTRFS info (device loop0): using free space tree [ 76.906022][ T4939] BTRFS info (device loop0): has skinny extents [ 76.921556][ T4939] BTRFS info (device loop0): enabling ssd optimizations [ 76.934690][ T4939] BTRFS info (device loop0): balance: start -s [ 76.936826][ T4939] ------------[ cut here ]------------ [ 76.939650][ T4939] WARNING: CPU: 1 PID: 4939 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0x9e8/0xca8 [ 76.941465][ T4939] Modules linked in: [ 76.942038][ T4939] CPU: 1 PID: 4939 Comm: syz.0.16 Not tainted syzkaller #0 [ 76.943142][ T4939] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.944653][ T4939] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 76.945828][ T4939] pc : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 76.946826][ T4939] lr : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 76.947815][ T4939] sp : ffff80001fc47540 [ 76.948394][ T4939] x29: ffff80001fc47710 x28: ffff0000d7900858 x27: ffff0000deb3e110 [ 76.949641][ T4939] x26: ffff0000deb3e108 x25: ffff0000d7900850 x24: dfff800000000000 [ 76.950803][ T4939] x23: ffff0000d79009b0 x22: 1fffe0001af2010b x21: 1fffe0001af2010a [ 76.952203][ T4939] x20: 00000000ffffffe4 x19: ffff0000eaa9d9d0 x18: 0000000000000001 [ 76.953548][ T4939] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 76.954864][ T4939] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 76.956141][ T4939] x11: 0000000000000000 x10: 0000000000000000 x9 : cd840b82982e1e00 [ 76.957343][ T4939] x8 : cd840b82982e1e00 x7 : 0000000000000001 x6 : 0000000000000001 [ 76.958532][ T4939] x5 : ffff80001fc46e38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 76.959733][ T4939] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 76.960958][ T4939] Call trace: [ 76.961430][ T4939] btrfs_create_pending_block_groups+0x9e8/0xca8 [ 76.962446][ T4939] __btrfs_end_transaction+0x13c/0x608 [ 76.963268][ T4939] btrfs_end_transaction+0x24/0x34 [ 76.964068][ T4939] btrfs_inc_block_group_ro+0x4ec/0x558 [ 76.964834][ T4939] btrfs_relocate_block_group+0x2b8/0x8a4 [ 76.965644][ T4939] btrfs_relocate_chunk+0xb8/0x280 [ 76.966465][ T4939] __btrfs_balance+0x1170/0x1ba4 [ 76.967305][ T4939] btrfs_balance+0xac4/0x1138 [ 76.968008][ T4939] btrfs_ioctl_balance+0x4cc/0x658 [ 76.968808][ T4939] btrfs_ioctl+0x8d0/0xb38 [ 76.969469][ T4939] __arm64_sys_ioctl+0x14c/0x1c8 [ 76.970219][ T4939] invoke_syscall+0x98/0x2b8 [ 76.970955][ T4939] el0_svc_common+0x138/0x258 [ 76.971753][ T4939] do_el0_svc+0x58/0x14c [ 76.972376][ T4939] el0_svc+0x78/0x1e0 [ 76.973015][ T4939] el0t_64_sync_handler+0xcc/0xe4 [ 76.973722][ T4939] el0t_64_sync+0x1a0/0x1a4 [ 76.974299][ T4939] irq event stamp: 81590 [ 76.974892][ T4939] hardirqs last enabled at (81589): [] __up_console_sem+0xb4/0x100 [ 76.976314][ T4939] hardirqs last disabled at (81590): [] el1_dbg+0x24/0x80 [ 76.977611][ T4939] softirqs last enabled at (81578): [] handle_softirqs+0xa4c/0xbf0 [ 76.979063][ T4939] softirqs last disabled at (81561): [] __irq_exit_rcu+0x240/0x440 [ 76.980488][ T4939] ---[ end trace 76a625aa17cce790 ]--- [ 76.985058][ T4939] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 76.986652][ T4939] BTRFS info (device loop0): forced readonly [ 76.988810][ T4939] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 76.990756][ T4939] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 76.992936][ T4939] BTRFS info (device loop0): balance: ended with status: -30 [ 77.184826][ T4971] loop0: detected capacity change from 0 to 32768 [ 77.218383][ T4971] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.17 (4971) [ 77.227160][ T4967] Bluetooth: hci0: command 0x040f tx timeout [ 77.259657][ T4971] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 77.261052][ T4971] BTRFS info (device loop0): using free space tree [ 77.262013][ T4971] BTRFS info (device loop0): has skinny extents [ 77.276188][ T4971] BTRFS info (device loop0): enabling ssd optimizations [ 77.287936][ T4971] BTRFS info (device loop0): balance: start -s [ 77.289379][ T4971] ------------[ cut here ]------------ [ 77.290437][ T4971] WARNING: CPU: 1 PID: 4971 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0x9e8/0xca8 [ 77.292206][ T4971] Modules linked in: [ 77.292770][ T4971] CPU: 1 PID: 4971 Comm: syz.0.17 Tainted: G W syzkaller #0 [ 77.294134][ T4971] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.295690][ T4971] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 77.296833][ T4971] pc : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 77.297887][ T4971] lr : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 77.298873][ T4971] sp : ffff80001f277540 [ 77.299453][ T4971] x29: ffff80001f277710 x28: ffff0000e8490058 x27: ffff0000deb3e1c0 [ 77.300624][ T4971] x26: ffff0000deb3e1b8 x25: ffff0000e8490050 x24: dfff800000000000 [ 77.301871][ T4971] x23: ffff0000e84901b0 x22: 1fffe0001d09200b x21: 1fffe0001d09200a [ 77.303056][ T4971] x20: 00000000ffffffe4 x19: ffff0000d9b759d0 x18: 0000000000000001 [ 77.304247][ T4971] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 77.305423][ T4971] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 77.306648][ T4971] x11: 0000000000000000 x10: 0000000000000000 x9 : e4adaa5a9126a000 [ 77.307853][ T4971] x8 : e4adaa5a9126a000 x7 : 0000000000000001 x6 : 0000000000000001 [ 77.309083][ T4971] x5 : ffff80001f276e38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 77.310372][ T4971] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 77.311532][ T4971] Call trace: [ 77.311992][ T4971] btrfs_create_pending_block_groups+0x9e8/0xca8 [ 77.312894][ T4971] __btrfs_end_transaction+0x13c/0x608 [ 77.313716][ T4971] btrfs_end_transaction+0x24/0x34 [ 77.314485][ T4971] btrfs_inc_block_group_ro+0x4ec/0x558 [ 77.315303][ T4971] btrfs_relocate_block_group+0x2b8/0x8a4 [ 77.316139][ T4971] btrfs_relocate_chunk+0xb8/0x280 [ 77.316893][ T4971] __btrfs_balance+0x1170/0x1ba4 [ 77.317640][ T4971] btrfs_balance+0xac4/0x1138 [ 77.318322][ T4971] btrfs_ioctl_balance+0x4cc/0x658 [ 77.319096][ T4971] btrfs_ioctl+0x8d0/0xb38 [ 77.319746][ T4971] __arm64_sys_ioctl+0x14c/0x1c8 [ 77.320517][ T4971] invoke_syscall+0x98/0x2b8 [ 77.321198][ T4971] el0_svc_common+0x138/0x258 [ 77.321852][ T4971] do_el0_svc+0x58/0x14c [ 77.322565][ T4971] el0_svc+0x78/0x1e0 [ 77.323109][ T4971] el0t_64_sync_handler+0xcc/0xe4 [ 77.323848][ T4971] el0t_64_sync+0x1a0/0x1a4 [ 77.324530][ T4971] irq event stamp: 79206 [ 77.325144][ T4971] hardirqs last enabled at (79205): [] __up_console_sem+0xb4/0x100 [ 77.326488][ T4971] hardirqs last disabled at (79206): [] el1_dbg+0x24/0x80 [ 77.327820][ T4971] softirqs last enabled at (79046): [] local_bh_enable+0x10/0x34 [ 77.329137][ T4971] softirqs last disabled at (79044): [] local_bh_disable+0x10/0x34 [ 77.330459][ T4971] ---[ end trace 76a625aa17cce791 ]--- [ 77.332214][ T4971] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 77.333815][ T4971] BTRFS info (device loop0): forced readonly [ 77.334806][ T4971] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 77.336484][ T4971] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 77.338576][ T4971] BTRFS info (device loop0): balance: ended with status: -30 [ 77.495382][ T4993] loop0: detected capacity change from 0 to 32768 [ 77.530119][ T4993] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.18 (4993) [ 77.535297][ T4993] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 77.536626][ T4993] BTRFS info (device loop0): using free space tree [ 77.538194][ T4993] BTRFS info (device loop0): has skinny extents [ 77.558949][ T4993] BTRFS info (device loop0): enabling ssd optimizations [ 77.564308][ T4993] BTRFS info (device loop0): balance: start -s [ 77.565909][ T4993] ------------[ cut here ]------------ [ 77.567004][ T4993] WARNING: CPU: 1 PID: 4993 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0x9e8/0xca8 [ 77.568884][ T4993] Modules linked in: [ 77.569550][ T4993] CPU: 1 PID: 4993 Comm: syz.0.18 Tainted: G W syzkaller #0 [ 77.570994][ T4993] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.572539][ T4993] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 77.573760][ T4993] pc : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 77.574744][ T4993] lr : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 77.575801][ T4993] sp : ffff80001f277540 [ 77.576487][ T4993] x29: ffff80001f277710 x28: ffff0000e8502858 x27: ffff0000deb3e320 [ 77.577797][ T4993] x26: ffff0000deb3e318 x25: ffff0000e8502850 x24: dfff800000000000 [ 77.578924][ T4993] x23: ffff0000e85029b0 x22: 1fffe0001d0a050b x21: 1fffe0001d0a050a [ 77.580124][ T4993] x20: 00000000ffffffe4 x19: ffff0000d7e519d0 x18: 0000000000000001 [ 77.581442][ T4993] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 77.582784][ T4993] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 77.584024][ T4993] x11: 0000000000000000 x10: 0000000000000000 x9 : 156efacb11093100 [ 77.585306][ T4993] x8 : 156efacb11093100 x7 : 0000000000000001 x6 : 0000000000000001 [ 77.586559][ T4993] x5 : ffff80001f276e38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 77.587837][ T4993] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 77.589016][ T4993] Call trace: [ 77.589476][ T4993] btrfs_create_pending_block_groups+0x9e8/0xca8 [ 77.590411][ T4993] __btrfs_end_transaction+0x13c/0x608 [ 77.591173][ T4993] btrfs_end_transaction+0x24/0x34 [ 77.591951][ T4993] btrfs_inc_block_group_ro+0x4ec/0x558 [ 77.592718][ T4993] btrfs_relocate_block_group+0x2b8/0x8a4 [ 77.593576][ T4993] btrfs_relocate_chunk+0xb8/0x280 [ 77.594353][ T4993] __btrfs_balance+0x1170/0x1ba4 [ 77.595056][ T4993] btrfs_balance+0xac4/0x1138 [ 77.595700][ T4993] btrfs_ioctl_balance+0x4cc/0x658 [ 77.596395][ T4993] btrfs_ioctl+0x8d0/0xb38 [ 77.597022][ T4993] __arm64_sys_ioctl+0x14c/0x1c8 [ 77.597730][ T4993] invoke_syscall+0x98/0x2b8 [ 77.598393][ T4993] el0_svc_common+0x138/0x258 [ 77.599073][ T4993] do_el0_svc+0x58/0x14c [ 77.599713][ T4993] el0_svc+0x78/0x1e0 [ 77.600246][ T4993] el0t_64_sync_handler+0xcc/0xe4 [ 77.600959][ T4993] el0t_64_sync+0x1a0/0x1a4 [ 77.601603][ T4993] irq event stamp: 79748 [ 77.602203][ T4993] hardirqs last enabled at (79747): [] __up_console_sem+0xb4/0x100 [ 77.603574][ T4993] hardirqs last disabled at (79748): [] el1_dbg+0x24/0x80 [ 77.604885][ T4993] softirqs last enabled at (79582): [] local_bh_enable+0x10/0x34 [ 77.606263][ T4993] softirqs last disabled at (79580): [] local_bh_disable+0x10/0x34 [ 77.607721][ T4993] ---[ end trace 76a625aa17cce792 ]--- [ 77.610551][ T4993] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 77.612124][ T4993] BTRFS info (device loop0): forced readonly [ 77.613144][ T4993] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 77.614719][ T4993] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 77.616309][ T4993] BTRFS info (device loop0): balance: ended with status: -30 [ 77.760549][ T5015] loop0: detected capacity change from 0 to 32768 [ 77.769657][ T5015] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.19 (5015) [ 77.773315][ T5015] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 77.774677][ T5015] BTRFS info (device loop0): using free space tree [ 77.775675][ T5015] BTRFS info (device loop0): has skinny extents [ 77.787263][ T5015] BTRFS info (device loop0): enabling ssd optimizations [ 77.792426][ T5015] BTRFS info (device loop0): balance: start -s [ 77.793786][ T5015] ------------[ cut here ]------------ [ 77.794665][ T5015] WARNING: CPU: 1 PID: 5015 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0x9e8/0xca8 [ 77.796408][ T5015] Modules linked in: [ 77.797078][ T5015] CPU: 1 PID: 5015 Comm: syz.0.19 Tainted: G W syzkaller #0 [ 77.798272][ T5015] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.799838][ T5015] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 77.801062][ T5015] pc : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 77.802081][ T5015] lr : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 77.803104][ T5015] sp : ffff80001f277540 [ 77.803711][ T5015] x29: ffff80001f277710 x28: ffff0000ea9a5058 x27: ffff0000deb3e480 [ 77.804886][ T5015] x26: ffff0000deb3e478 x25: ffff0000ea9a5050 x24: dfff800000000000 [ 77.806138][ T5015] x23: ffff0000ea9a51b0 x22: 1fffe0001d534a0b x21: 1fffe0001d534a0a [ 77.807342][ T5015] x20: 00000000ffffffe4 x19: ffff0000d7e519d0 x18: 0000000000000001 [ 77.808511][ T5015] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 77.809708][ T5015] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 77.811013][ T5015] x11: 0000000000000000 x10: 0000000000000000 x9 : 0defa718c240c400 [ 77.812248][ T5015] x8 : 0defa718c240c400 x7 : 0000000000000001 x6 : 0000000000000001 [ 77.813404][ T5015] x5 : ffff80001f276e38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 77.814590][ T5015] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 77.815848][ T5015] Call trace: [ 77.816344][ T5015] btrfs_create_pending_block_groups+0x9e8/0xca8 [ 77.817256][ T5015] __btrfs_end_transaction+0x13c/0x608 [ 77.818132][ T5015] btrfs_end_transaction+0x24/0x34 [ 77.818904][ T5015] btrfs_inc_block_group_ro+0x4ec/0x558 [ 77.819760][ T5015] btrfs_relocate_block_group+0x2b8/0x8a4 [ 77.820561][ T5015] btrfs_relocate_chunk+0xb8/0x280 [ 77.821268][ T5015] __btrfs_balance+0x1170/0x1ba4 [ 77.822076][ T5015] btrfs_balance+0xac4/0x1138 [ 77.822792][ T5015] btrfs_ioctl_balance+0x4cc/0x658 [ 77.823529][ T5015] btrfs_ioctl+0x8d0/0xb38 [ 77.824193][ T5015] __arm64_sys_ioctl+0x14c/0x1c8 [ 77.824914][ T5015] invoke_syscall+0x98/0x2b8 [ 77.825579][ T5015] el0_svc_common+0x138/0x258 [ 77.826256][ T5015] do_el0_svc+0x58/0x14c [ 77.826886][ T5015] el0_svc+0x78/0x1e0 [ 77.827520][ T5015] el0t_64_sync_handler+0xcc/0xe4 [ 77.828256][ T5015] el0t_64_sync+0x1a0/0x1a4 [ 77.828918][ T5015] irq event stamp: 80092 [ 77.829535][ T5015] hardirqs last enabled at (80091): [] __up_console_sem+0xb4/0x100 [ 77.830940][ T5015] hardirqs last disabled at (80092): [] el1_dbg+0x24/0x80 [ 77.832242][ T5015] softirqs last enabled at (79956): [] local_bh_enable+0x10/0x34 [ 77.833662][ T5015] softirqs last disabled at (79954): [] local_bh_disable+0x10/0x34 [ 77.835029][ T5015] ---[ end trace 76a625aa17cce793 ]--- [ 77.838877][ T5015] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 77.840475][ T5015] BTRFS info (device loop0): forced readonly [ 77.841550][ T5015] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 77.843192][ T5015] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 77.844871][ T5015] BTRFS info (device loop0): balance: ended with status: -30 [ 77.995623][ T5037] loop0: detected capacity change from 0 to 32768 [ 78.018260][ T5037] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.20 (5037) [ 78.021185][ T5037] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 78.022614][ T5037] BTRFS info (device loop0): using free space tree [ 78.023622][ T5037] BTRFS info (device loop0): has skinny extents [ 78.031446][ T5037] BTRFS info (device loop0): enabling ssd optimizations [ 78.036581][ T5037] BTRFS info (device loop0): balance: start -s [ 78.040440][ T5037] ------------[ cut here ]------------ [ 78.041405][ T5037] WARNING: CPU: 1 PID: 5037 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0x9e8/0xca8 [ 78.042949][ T5037] Modules linked in: [ 78.043459][ T5037] CPU: 1 PID: 5037 Comm: syz.0.20 Tainted: G W syzkaller #0 [ 78.044615][ T5037] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.046005][ T5037] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 78.047095][ T5037] pc : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 78.048057][ T5037] lr : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 78.049000][ T5037] sp : ffff8000202a7540 [ 78.049581][ T5037] x29: ffff8000202a7710 x28: ffff0000d0ea4058 x27: ffff0000deb3e5e0 [ 78.050751][ T5037] x26: ffff0000deb3e5d8 x25: ffff0000d0ea4050 x24: dfff800000000000 [ 78.052015][ T5037] x23: ffff0000d0ea41b0 x22: 1fffe0001a1d480b x21: 1fffe0001a1d480a [ 78.053261][ T5037] x20: 00000000ffffffe4 x19: ffff0000d7e519d0 x18: 0000000000000001 [ 78.054401][ T5037] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 78.055587][ T5037] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 78.056899][ T5037] x11: 0000000000000000 x10: 0000000000000000 x9 : 48172d2ab4aa7c00 [ 78.058127][ T5037] x8 : 48172d2ab4aa7c00 x7 : 0000000000000001 x6 : 0000000000000001 [ 78.059367][ T5037] x5 : ffff8000202a6e38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 78.060616][ T5037] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 78.061793][ T5037] Call trace: [ 78.062280][ T5037] btrfs_create_pending_block_groups+0x9e8/0xca8 [ 78.063124][ T5037] __btrfs_end_transaction+0x13c/0x608 [ 78.063925][ T5037] btrfs_end_transaction+0x24/0x34 [ 78.064632][ T5037] btrfs_inc_block_group_ro+0x4ec/0x558 [ 78.065431][ T5037] btrfs_relocate_block_group+0x2b8/0x8a4 [ 78.066302][ T5037] btrfs_relocate_chunk+0xb8/0x280 [ 78.067044][ T5037] __btrfs_balance+0x1170/0x1ba4 [ 78.067761][ T5037] btrfs_balance+0xac4/0x1138 [ 78.068453][ T5037] btrfs_ioctl_balance+0x4cc/0x658 [ 78.069198][ T5037] btrfs_ioctl+0x8d0/0xb38 [ 78.069826][ T5037] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.070589][ T5037] invoke_syscall+0x98/0x2b8 [ 78.071194][ T5037] el0_svc_common+0x138/0x258 [ 78.071830][ T5037] do_el0_svc+0x58/0x14c [ 78.072458][ T5037] el0_svc+0x78/0x1e0 [ 78.073042][ T5037] el0t_64_sync_handler+0xcc/0xe4 [ 78.073718][ T5037] el0t_64_sync+0x1a0/0x1a4 [ 78.074380][ T5037] irq event stamp: 79748 [ 78.075029][ T5037] hardirqs last enabled at (79747): [] __up_console_sem+0xb4/0x100 [ 78.076446][ T5037] hardirqs last disabled at (79748): [] el1_dbg+0x24/0x80 [ 78.077856][ T5037] softirqs last enabled at (79412): [] handle_softirqs+0xa4c/0xbf0 [ 78.079405][ T5037] softirqs last disabled at (79395): [] __irq_exit_rcu+0x240/0x440 [ 78.080740][ T5037] ---[ end trace 76a625aa17cce794 ]--- [ 78.082975][ T5037] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 78.084608][ T5037] BTRFS info (device loop0): forced readonly [ 78.085722][ T5037] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 78.087344][ T5037] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 78.089050][ T5037] BTRFS info (device loop0): balance: ended with status: -30 [ 78.228203][ T5059] loop0: detected capacity change from 0 to 32768 [ 78.279491][ T5059] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.21 (5059) [ 78.318684][ T5059] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 78.320189][ T5059] BTRFS info (device loop0): using free space tree [ 78.321238][ T5059] BTRFS info (device loop0): has skinny extents [ 78.331945][ T5059] BTRFS info (device loop0): enabling ssd optimizations [ 78.339277][ T5059] BTRFS info (device loop0): balance: start -s [ 78.340588][ T5059] ------------[ cut here ]------------ [ 78.341551][ T5059] WARNING: CPU: 0 PID: 5059 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0x9e8/0xca8 [ 78.343179][ T5059] Modules linked in: [ 78.343857][ T5059] CPU: 0 PID: 5059 Comm: syz.0.21 Tainted: G W syzkaller #0 [ 78.345066][ T5059] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.346494][ T5059] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 78.347605][ T5059] pc : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 78.348650][ T5059] lr : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 78.349597][ T5059] sp : ffff800020427540 [ 78.350241][ T5059] x29: ffff800020427710 x28: ffff0000dd2c8858 x27: ffff0000dea251c0 [ 78.351349][ T5059] x26: ffff0000dea251b8 x25: ffff0000dd2c8850 x24: dfff800000000000 [ 78.352673][ T5059] x23: ffff0000dd2c89b0 x22: 1fffe0001ba5910b x21: 1fffe0001ba5910a [ 78.353962][ T5059] x20: 00000000ffffffe4 x19: ffff0000cfa319d0 x18: 0000000000000001 [ 78.355210][ T5059] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 78.356497][ T5059] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 78.357712][ T5059] x11: 0000000000000000 x10: 0000000000000000 x9 : 5013c1c6967b5400 [ 78.359002][ T5059] x8 : 5013c1c6967b5400 x7 : 0000000000000001 x6 : 0000000000000001 [ 78.360297][ T5059] x5 : ffff800020426e38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 78.361483][ T5059] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 78.362708][ T5059] Call trace: [ 78.363210][ T5059] btrfs_create_pending_block_groups+0x9e8/0xca8 [ 78.364172][ T5059] __btrfs_end_transaction+0x13c/0x608 [ 78.364950][ T5059] btrfs_end_transaction+0x24/0x34 [ 78.365713][ T5059] btrfs_inc_block_group_ro+0x4ec/0x558 [ 78.366496][ T5059] btrfs_relocate_block_group+0x2b8/0x8a4 [ 78.367316][ T5059] btrfs_relocate_chunk+0xb8/0x280 [ 78.368020][ T5059] __btrfs_balance+0x1170/0x1ba4 [ 78.368709][ T5059] btrfs_balance+0xac4/0x1138 [ 78.369374][ T5059] btrfs_ioctl_balance+0x4cc/0x658 [ 78.370080][ T5059] btrfs_ioctl+0x8d0/0xb38 [ 78.370684][ T5059] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.371360][ T5059] invoke_syscall+0x98/0x2b8 [ 78.372021][ T5059] el0_svc_common+0x138/0x258 [ 78.372695][ T5059] do_el0_svc+0x58/0x14c [ 78.373298][ T5059] el0_svc+0x78/0x1e0 [ 78.373941][ T5059] el0t_64_sync_handler+0xcc/0xe4 [ 78.374656][ T5059] el0t_64_sync+0x1a0/0x1a4 [ 78.375347][ T5059] irq event stamp: 79884 [ 78.376004][ T5059] hardirqs last enabled at (79883): [] __up_console_sem+0xb4/0x100 [ 78.377715][ T5059] hardirqs last disabled at (79884): [] el1_dbg+0x24/0x80 [ 78.379189][ T5059] softirqs last enabled at (79742): [] local_bh_enable+0x10/0x34 [ 78.380729][ T5059] softirqs last disabled at (79740): [] local_bh_disable+0x10/0x34 [ 78.382242][ T5059] ---[ end trace 76a625aa17cce795 ]--- [ 78.385679][ T5059] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 78.387347][ T5059] BTRFS info (device loop0): forced readonly [ 78.388661][ T5059] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 78.390237][ T5059] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 78.392060][ T5059] BTRFS info (device loop0): balance: ended with status: -30 [ 78.539987][ T5082] loop0: detected capacity change from 0 to 32768 [ 78.618079][ T5082] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.22 (5082) [ 78.621061][ T5082] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 78.622334][ T5082] BTRFS info (device loop0): using free space tree [ 78.627274][ T5082] BTRFS info (device loop0): has skinny extents [ 78.634789][ T5082] BTRFS info (device loop0): enabling ssd optimizations [ 78.640555][ T5082] BTRFS info (device loop0): balance: start -s [ 78.641917][ T5082] ------------[ cut here ]------------ [ 78.642923][ T5082] WARNING: CPU: 0 PID: 5082 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0x9e8/0xca8 [ 78.644575][ T5082] Modules linked in: [ 78.645234][ T5082] CPU: 0 PID: 5082 Comm: syz.0.22 Tainted: G W syzkaller #0 [ 78.646462][ T5082] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.647999][ T5082] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 78.649194][ T5082] pc : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 78.650277][ T5082] lr : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 78.651372][ T5082] sp : ffff800020567540 [ 78.652016][ T5082] x29: ffff800020567710 x28: ffff0000cb9d6858 x27: ffff0000dea25320 [ 78.653277][ T5082] x26: ffff0000dea25318 x25: ffff0000cb9d6850 x24: dfff800000000000 [ 78.654491][ T5082] x23: ffff0000cb9d69b0 x22: 1fffe0001973ad0b x21: 1fffe0001973ad0a [ 78.655750][ T5082] x20: 00000000ffffffe4 x19: ffff0000cfa319d0 x18: 0000000000000001 [ 78.657022][ T5082] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 78.658295][ T5082] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 78.659527][ T5082] x11: 0000000000000000 x10: 0000000000000000 x9 : d42082f346b07100 [ 78.660674][ T5082] x8 : d42082f346b07100 x7 : 0000000000000001 x6 : 0000000000000001 [ 78.661882][ T5082] x5 : ffff800020566e38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 78.663048][ T5082] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 78.664393][ T5082] Call trace: [ 78.664981][ T5082] btrfs_create_pending_block_groups+0x9e8/0xca8 [ 78.666019][ T5082] __btrfs_end_transaction+0x13c/0x608 [ 78.666960][ T5082] btrfs_end_transaction+0x24/0x34 [ 78.667825][ T5082] btrfs_inc_block_group_ro+0x4ec/0x558 [ 78.668779][ T5082] btrfs_relocate_block_group+0x2b8/0x8a4 [ 78.669727][ T5082] btrfs_relocate_chunk+0xb8/0x280 [ 78.670505][ T5082] __btrfs_balance+0x1170/0x1ba4 [ 78.671218][ T5082] btrfs_balance+0xac4/0x1138 [ 78.671950][ T5082] btrfs_ioctl_balance+0x4cc/0x658 [ 78.672742][ T5082] btrfs_ioctl+0x8d0/0xb38 [ 78.673404][ T5082] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.674108][ T5082] invoke_syscall+0x98/0x2b8 [ 78.674837][ T5082] el0_svc_common+0x138/0x258 [ 78.675499][ T5082] do_el0_svc+0x58/0x14c [ 78.676172][ T5082] el0_svc+0x78/0x1e0 [ 78.676750][ T5082] el0t_64_sync_handler+0xcc/0xe4 [ 78.677465][ T5082] el0t_64_sync+0x1a0/0x1a4 [ 78.678204][ T5082] irq event stamp: 79642 [ 78.678826][ T5082] hardirqs last enabled at (79641): [] __up_console_sem+0xb4/0x100 [ 78.680184][ T5082] hardirqs last disabled at (79642): [] el1_dbg+0x24/0x80 [ 78.681445][ T5082] softirqs last enabled at (79482): [] local_bh_enable+0x10/0x34 [ 78.682797][ T5082] softirqs last disabled at (79480): [] local_bh_disable+0x10/0x34 [ 78.684267][ T5082] ---[ end trace 76a625aa17cce796 ]--- [ 78.688039][ T5082] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 78.689736][ T5082] BTRFS info (device loop0): forced readonly [ 78.690688][ T5082] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 78.692363][ T5082] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 78.693998][ T5082] BTRFS info (device loop0): balance: ended with status: -30 [ 78.725510][ T841] device hsr_slave_0 left promiscuous mode [ 78.737338][ T841] device hsr_slave_1 left promiscuous mode [ 78.787527][ T841] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 78.788764][ T841] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 78.790258][ T841] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 78.791391][ T841] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 78.792797][ T841] device bridge_slave_1 left promiscuous mode [ 78.793754][ T841] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.834697][ T5104] loop0: detected capacity change from 0 to 32768 [ 78.843655][ T5104] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.23 (5104) [ 78.843856][ T841] device bridge_slave_0 left promiscuous mode [ 78.846660][ T841] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.851172][ T5104] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 78.852469][ T5104] BTRFS info (device loop0): using free space tree [ 78.853383][ T5104] BTRFS info (device loop0): has skinny extents [ 78.873117][ T5104] BTRFS info (device loop0): enabling ssd optimizations [ 78.881883][ T5104] BTRFS info (device loop0): balance: start -s [ 78.883219][ T5104] ------------[ cut here ]------------ [ 78.884175][ T5104] WARNING: CPU: 1 PID: 5104 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0x9e8/0xca8 [ 78.885787][ T5104] Modules linked in: [ 78.886287][ T5104] CPU: 1 PID: 5104 Comm: syz.0.23 Tainted: G W syzkaller #0 [ 78.887558][ T5104] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.889053][ T5104] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 78.890231][ T5104] pc : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 78.891178][ T5104] lr : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 78.892084][ T5104] sp : ffff800020677540 [ 78.892662][ T5104] x29: ffff800020677710 x28: ffff0000d75dd858 x27: ffff0000deb3e740 [ 78.893802][ T5104] x26: ffff0000deb3e738 x25: ffff0000d75dd850 x24: dfff800000000000 [ 78.894873][ T5104] x23: ffff0000d75dd9b0 x22: 1fffe0001aebbb0b x21: 1fffe0001aebbb0a [ 78.896023][ T5104] x20: 00000000ffffffe4 x19: ffff0000cfa319d0 x18: 0000000000000001 [ 78.897170][ T5104] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 78.898281][ T5104] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 78.899396][ T5104] x11: 0000000000000000 x10: 0000000000000000 x9 : dd6bb70d0a2d6100 [ 78.900518][ T5104] x8 : dd6bb70d0a2d6100 x7 : 0000000000000001 x6 : 0000000000000001 [ 78.901609][ T5104] x5 : ffff800020676e38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 78.902670][ T5104] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 78.903864][ T5104] Call trace: [ 78.904342][ T5104] btrfs_create_pending_block_groups+0x9e8/0xca8 [ 78.905245][ T5104] __btrfs_end_transaction+0x13c/0x608 [ 78.906025][ T5104] btrfs_end_transaction+0x24/0x34 [ 78.906712][ T5104] btrfs_inc_block_group_ro+0x4ec/0x558 [ 78.907468][ T5104] btrfs_relocate_block_group+0x2b8/0x8a4 [ 78.908268][ T5104] btrfs_relocate_chunk+0xb8/0x280 [ 78.908940][ T5104] __btrfs_balance+0x1170/0x1ba4 [ 78.909604][ T5104] btrfs_balance+0xac4/0x1138 [ 78.910222][ T5104] btrfs_ioctl_balance+0x4cc/0x658 [ 78.910904][ T5104] btrfs_ioctl+0x8d0/0xb38 [ 78.911522][ T5104] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.912209][ T5104] invoke_syscall+0x98/0x2b8 [ 78.912878][ T5104] el0_svc_common+0x138/0x258 [ 78.913499][ T5104] do_el0_svc+0x58/0x14c [ 78.914093][ T5104] el0_svc+0x78/0x1e0 [ 78.914676][ T5104] el0t_64_sync_handler+0xcc/0xe4 [ 78.915396][ T5104] el0t_64_sync+0x1a0/0x1a4 [ 78.916031][ T5104] irq event stamp: 79546 [ 78.916621][ T5104] hardirqs last enabled at (79545): [] __up_console_sem+0xb4/0x100 [ 78.917949][ T5104] hardirqs last disabled at (79546): [] el1_dbg+0x24/0x80 [ 78.919443][ T5104] softirqs last enabled at (79408): [] local_bh_enable+0x10/0x34 [ 78.920928][ T5104] softirqs last disabled at (79406): [] local_bh_disable+0x10/0x34 [ 78.922402][ T5104] ---[ end trace 76a625aa17cce797 ]--- [ 78.925168][ T5104] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 78.926852][ T5104] BTRFS info (device loop0): forced readonly [ 78.928157][ T5104] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 78.929976][ T5104] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 78.931545][ T5104] BTRFS info (device loop0): balance: ended with status: -30 [ 78.987211][ T841] device veth1_macvtap left promiscuous mode [ 78.988306][ T841] device veth0_macvtap left promiscuous mode [ 78.989284][ T841] device veth1_vlan left promiscuous mode [ 78.990256][ T841] device veth0_vlan left promiscuous mode [ 79.092601][ T5126] loop0: detected capacity change from 0 to 32768 [ 79.110288][ T841] team0 (unregistering): Port device team_slave_1 removed [ 79.114259][ T841] team0 (unregistering): Port device team_slave_0 removed [ 79.120147][ T5126] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.24 (5126) [ 79.123017][ T5126] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 79.124472][ T5126] BTRFS info (device loop0): using free space tree [ 79.125419][ T5126] BTRFS info (device loop0): has skinny extents [ 79.129010][ T841] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 79.135994][ T5126] BTRFS info (device loop0): enabling ssd optimizations [ 79.141126][ T5126] BTRFS info (device loop0): balance: start -s [ 79.142691][ T5126] ------------[ cut here ]------------ [ 79.143697][ T5126] WARNING: CPU: 0 PID: 5126 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0x9e8/0xca8 [ 79.145368][ T5126] Modules linked in: [ 79.146022][ T5126] CPU: 0 PID: 5126 Comm: syz.0.24 Tainted: G W syzkaller #0 [ 79.147385][ T5126] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.148927][ T5126] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.150110][ T5126] pc : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 79.151191][ T5126] lr : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 79.152197][ T5126] sp : ffff800020677540 [ 79.152808][ T5126] x29: ffff800020677710 x28: ffff0000d9355058 x27: ffff0000dea25480 [ 79.154089][ T5126] x26: ffff0000dea25478 x25: ffff0000d9355050 x24: dfff800000000000 [ 79.155299][ T5126] x23: ffff0000d93551b0 x22: 1fffe0001b26aa0b x21: 1fffe0001b26aa0a [ 79.156515][ T5126] x20: 00000000ffffffe4 x19: ffff0000c90a59d0 x18: 0000000000000001 [ 79.157712][ T5126] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 79.158949][ T5126] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 79.160084][ T5126] x11: 0000000000000000 x10: 0000000000000000 x9 : d102e86c7ca1e600 [ 79.161191][ T5126] x8 : d102e86c7ca1e600 x7 : 0000000000000001 x6 : 0000000000000001 [ 79.162359][ T5126] x5 : ffff800020676e38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 79.163543][ T5126] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 79.164770][ T5126] Call trace: [ 79.165292][ T5126] btrfs_create_pending_block_groups+0x9e8/0xca8 [ 79.166229][ T5126] __btrfs_end_transaction+0x13c/0x608 [ 79.166962][ T5126] btrfs_end_transaction+0x24/0x34 [ 79.167657][ T5126] btrfs_inc_block_group_ro+0x4ec/0x558 [ 79.168556][ T5126] btrfs_relocate_block_group+0x2b8/0x8a4 [ 79.169464][ T5126] btrfs_relocate_chunk+0xb8/0x280 [ 79.170275][ T5126] __btrfs_balance+0x1170/0x1ba4 [ 79.171006][ T5126] btrfs_balance+0xac4/0x1138 [ 79.171726][ T5126] btrfs_ioctl_balance+0x4cc/0x658 [ 79.172524][ T5126] btrfs_ioctl+0x8d0/0xb38 [ 79.173193][ T5126] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.174020][ T5126] invoke_syscall+0x98/0x2b8 [ 79.174763][ T5126] el0_svc_common+0x138/0x258 [ 79.175501][ T5126] do_el0_svc+0x58/0x14c [ 79.176140][ T5126] el0_svc+0x78/0x1e0 [ 79.176769][ T5126] el0t_64_sync_handler+0xcc/0xe4 [ 79.177517][ T5126] el0t_64_sync+0x1a0/0x1a4 [ 79.178237][ T5126] irq event stamp: 80210 [ 79.178845][ T5126] hardirqs last enabled at (80209): [] __up_console_sem+0xb4/0x100 [ 79.180304][ T5126] hardirqs last disabled at (80210): [] el1_dbg+0x24/0x80 [ 79.181605][ T5126] softirqs last enabled at (80042): [] local_bh_enable+0x10/0x34 [ 79.183042][ T5126] softirqs last disabled at (80040): [] local_bh_disable+0x10/0x34 [ 79.184336][ T5126] ---[ end trace 76a625aa17cce798 ]--- [ 79.189129][ T841] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 79.192353][ T5126] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 79.194106][ T5126] BTRFS info (device loop0): forced readonly [ 79.195086][ T5126] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 79.196849][ T5126] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 79.198707][ T5126] BTRFS info (device loop0): balance: ended with status: -30 [ 79.307145][ T13] Bluetooth: hci0: command 0x0419 tx timeout [ 79.351435][ T841] bond0 (unregistering): Released all slaves [ 79.359135][ T5148] loop0: detected capacity change from 0 to 32768 [ 79.459373][ T5148] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.25 (5148) [ 79.509563][ T5148] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 79.510903][ T5148] BTRFS info (device loop0): using free space tree [ 79.511868][ T5148] BTRFS info (device loop0): has skinny extents [ 79.520801][ T5148] BTRFS info (device loop0): enabling ssd optimizations [ 79.527598][ T5148] BTRFS info (device loop0): balance: start -s [ 79.529264][ T5148] ------------[ cut here ]------------ [ 79.530254][ T5148] WARNING: CPU: 0 PID: 5148 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0x9e8/0xca8 [ 79.531916][ T5148] Modules linked in: [ 79.532527][ T5148] CPU: 0 PID: 5148 Comm: syz.0.25 Tainted: G W syzkaller #0 [ 79.533811][ T5148] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.535263][ T5148] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.536481][ T5148] pc : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 79.537514][ T5148] lr : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 79.538459][ T5148] sp : ffff8000206d7540 [ 79.539052][ T5148] x29: ffff8000206d7710 x28: ffff0000d5c62058 x27: ffff0000dea255e0 [ 79.540242][ T5148] x26: ffff0000dea255d8 x25: ffff0000d5c62050 x24: dfff800000000000 [ 79.541421][ T5148] x23: ffff0000d5c621b0 x22: 1fffe0001ab8c40b x21: 1fffe0001ab8c40a [ 79.542718][ T5148] x20: 00000000ffffffe4 x19: ffff0000db0619d0 x18: 0000000000000001 [ 79.543951][ T5148] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 79.545158][ T5148] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 79.546379][ T5148] x11: 0000000000000000 x10: 0000000000000000 x9 : 8aa5c79c34eacd00 [ 79.547572][ T5148] x8 : 8aa5c79c34eacd00 x7 : 0000000000000001 x6 : 0000000000000001 [ 79.548828][ T5148] x5 : ffff8000206d6e38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 79.549954][ T5148] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 79.551101][ T5148] Call trace: [ 79.551576][ T5148] btrfs_create_pending_block_groups+0x9e8/0xca8 [ 79.552491][ T5148] __btrfs_end_transaction+0x13c/0x608 [ 79.553322][ T5148] btrfs_end_transaction+0x24/0x34 [ 79.554057][ T5148] btrfs_inc_block_group_ro+0x4ec/0x558 [ 79.554875][ T5148] btrfs_relocate_block_group+0x2b8/0x8a4 [ 79.555662][ T5148] btrfs_relocate_chunk+0xb8/0x280 [ 79.556358][ T5148] __btrfs_balance+0x1170/0x1ba4 [ 79.557030][ T5148] btrfs_balance+0xac4/0x1138 [ 79.557622][ T5148] btrfs_ioctl_balance+0x4cc/0x658 [ 79.558359][ T5148] btrfs_ioctl+0x8d0/0xb38 [ 79.558993][ T5148] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.559722][ T5148] invoke_syscall+0x98/0x2b8 [ 79.560361][ T5148] el0_svc_common+0x138/0x258 [ 79.561056][ T5148] do_el0_svc+0x58/0x14c [ 79.561663][ T5148] el0_svc+0x78/0x1e0 [ 79.562236][ T5148] el0t_64_sync_handler+0xcc/0xe4 [ 79.562933][ T5148] el0t_64_sync+0x1a0/0x1a4 [ 79.563602][ T5148] irq event stamp: 79382 [ 79.564247][ T5148] hardirqs last enabled at (79381): [] __up_console_sem+0xb4/0x100 [ 79.565877][ T5148] hardirqs last disabled at (79382): [] el1_dbg+0x24/0x80 [ 79.567159][ T5148] softirqs last enabled at (79262): [] handle_softirqs+0xa4c/0xbf0 [ 79.568569][ T5148] softirqs last disabled at (79251): [] __irq_exit_rcu+0x240/0x440 [ 79.570015][ T5148] ---[ end trace 76a625aa17cce799 ]--- [ 79.572216][ T5148] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 79.573860][ T5148] BTRFS info (device loop0): forced readonly [ 79.574817][ T5148] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 79.576319][ T5148] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 79.578318][ T5148] BTRFS info (device loop0): balance: ended with status: -30 [ 79.716119][ T5170] loop0: detected capacity change from 0 to 32768 [ 79.759178][ T5170] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.26 (5170) [ 79.808240][ T5170] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 79.809711][ T5170] BTRFS info (device loop0): using free space tree [ 79.810770][ T5170] BTRFS info (device loop0): has skinny extents [ 79.818857][ T5170] BTRFS info (device loop0): enabling ssd optimizations [ 79.823677][ T5170] BTRFS info (device loop0): balance: start -s [ 79.825399][ T5170] ------------[ cut here ]------------ [ 79.826488][ T5170] WARNING: CPU: 1 PID: 5170 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0x9e8/0xca8 [ 79.828214][ T5170] Modules linked in: [ 79.828808][ T5170] CPU: 1 PID: 5170 Comm: syz.0.26 Tainted: G W syzkaller #0 [ 79.830176][ T5170] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.831668][ T5170] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.832967][ T5170] pc : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 79.833984][ T5170] lr : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 79.835022][ T5170] sp : ffff8000209c7540 [ 79.835632][ T5170] x29: ffff8000209c7710 x28: ffff0000c22ee058 x27: ffff0000deb3e8a0 [ 79.836911][ T5170] x26: ffff0000deb3e898 x25: ffff0000c22ee050 x24: dfff800000000000 [ 79.838223][ T5170] x23: ffff0000c22ee1b0 x22: 1fffe0001845dc0b x21: 1fffe0001845dc0a [ 79.839490][ T5170] x20: 00000000ffffffe4 x19: ffff0000c17b59d0 x18: 0000000000000001 [ 79.840789][ T5170] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 79.842001][ T5170] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 79.843188][ T5170] x11: 0000000000000000 x10: 0000000000000000 x9 : fc040db0a1cac000 [ 79.844394][ T5170] x8 : fc040db0a1cac000 x7 : 0000000000000001 x6 : 0000000000000001 [ 79.845598][ T5170] x5 : ffff8000209c6e38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 79.846759][ T5170] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 79.848008][ T5170] Call trace: [ 79.848524][ T5170] btrfs_create_pending_block_groups+0x9e8/0xca8 [ 79.849483][ T5170] __btrfs_end_transaction+0x13c/0x608 [ 79.850283][ T5170] btrfs_end_transaction+0x24/0x34 [ 79.851081][ T5170] btrfs_inc_block_group_ro+0x4ec/0x558 [ 79.851956][ T5170] btrfs_relocate_block_group+0x2b8/0x8a4 [ 79.852867][ T5170] btrfs_relocate_chunk+0xb8/0x280 [ 79.853741][ T5170] __btrfs_balance+0x1170/0x1ba4 [ 79.854499][ T5170] btrfs_balance+0xac4/0x1138 [ 79.855122][ T5170] btrfs_ioctl_balance+0x4cc/0x658 [ 79.855910][ T5170] btrfs_ioctl+0x8d0/0xb38 [ 79.856598][ T5170] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.857380][ T5170] invoke_syscall+0x98/0x2b8 [ 79.858065][ T5170] el0_svc_common+0x138/0x258 [ 79.858696][ T5170] do_el0_svc+0x58/0x14c [ 79.859342][ T5170] el0_svc+0x78/0x1e0 [ 79.859908][ T5170] el0t_64_sync_handler+0xcc/0xe4 [ 79.860679][ T5170] el0t_64_sync+0x1a0/0x1a4 [ 79.861354][ T5170] irq event stamp: 79520 [ 79.861947][ T5170] hardirqs last enabled at (79519): [] __up_console_sem+0xb4/0x100 [ 79.863335][ T5170] hardirqs last disabled at (79520): [] el1_dbg+0x24/0x80 [ 79.864629][ T5170] softirqs last enabled at (79360): [] local_bh_enable+0x10/0x34 [ 79.866042][ T5170] softirqs last disabled at (79358): [] local_bh_disable+0x10/0x34 [ 79.867417][ T5170] ---[ end trace 76a625aa17cce79a ]--- [ 79.869751][ T5170] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 79.871182][ T5170] BTRFS info (device loop0): forced readonly [ 79.872083][ T5170] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 79.873673][ T5170] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 79.875340][ T5170] BTRFS info (device loop0): balance: ended with status: -30 [ 80.019994][ T5191] loop0: detected capacity change from 0 to 32768 [ 80.107149][ T5191] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.27 (5191) [ 80.110969][ T5191] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 80.112296][ T5191] BTRFS info (device loop0): using free space tree [ 80.113331][ T5191] BTRFS info (device loop0): has skinny extents [ 80.120969][ T5191] BTRFS info (device loop0): enabling ssd optimizations [ 80.125975][ T5191] BTRFS info (device loop0): balance: start -s [ 80.129472][ T5191] ------------[ cut here ]------------ [ 80.130573][ T5191] WARNING: CPU: 0 PID: 5191 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0x9e8/0xca8 [ 80.132244][ T5191] Modules linked in: [ 80.132811][ T5191] CPU: 0 PID: 5191 Comm: syz.0.27 Tainted: G W syzkaller #0 [ 80.134050][ T5191] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.135516][ T5191] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 80.136704][ T5191] pc : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 80.137725][ T5191] lr : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 80.138789][ T5191] sp : ffff800020ae7540 [ 80.139412][ T5191] x29: ffff800020ae7710 x28: ffff0000d8d56058 x27: ffff0000dea25740 [ 80.140580][ T5191] x26: ffff0000dea25738 x25: ffff0000d8d56050 x24: dfff800000000000 [ 80.141855][ T5191] x23: ffff0000d8d561b0 x22: 1fffe0001b1aac0b x21: 1fffe0001b1aac0a [ 80.143006][ T5191] x20: 00000000ffffffe4 x19: ffff0000e73e59d0 x18: 0000000000000001 [ 80.144219][ T5191] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 80.145359][ T5191] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 80.146651][ T5191] x11: 0000000000000000 x10: 0000000000000000 x9 : ebd730e62271b200 [ 80.147854][ T5191] x8 : ebd730e62271b200 x7 : 0000000000000001 x6 : 0000000000000001 [ 80.149049][ T5191] x5 : ffff800020ae6e38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 80.150286][ T5191] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 80.151511][ T5191] Call trace: [ 80.152016][ T5191] btrfs_create_pending_block_groups+0x9e8/0xca8 [ 80.152901][ T5191] __btrfs_end_transaction+0x13c/0x608 [ 80.153713][ T5191] btrfs_end_transaction+0x24/0x34 [ 80.154470][ T5191] btrfs_inc_block_group_ro+0x4ec/0x558 [ 80.155361][ T5191] btrfs_relocate_block_group+0x2b8/0x8a4 [ 80.156223][ T5191] btrfs_relocate_chunk+0xb8/0x280 [ 80.156957][ T5191] __btrfs_balance+0x1170/0x1ba4 [ 80.157747][ T5191] btrfs_balance+0xac4/0x1138 [ 80.158438][ T5191] btrfs_ioctl_balance+0x4cc/0x658 [ 80.159172][ T5191] btrfs_ioctl+0x8d0/0xb38 [ 80.159860][ T5191] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.160574][ T5191] invoke_syscall+0x98/0x2b8 [ 80.161224][ T5191] el0_svc_common+0x138/0x258 [ 80.161906][ T5191] do_el0_svc+0x58/0x14c [ 80.162518][ T5191] el0_svc+0x78/0x1e0 [ 80.163181][ T5191] el0t_64_sync_handler+0xcc/0xe4 [ 80.164006][ T5191] el0t_64_sync+0x1a0/0x1a4 [ 80.164687][ T5191] irq event stamp: 79514 [ 80.165324][ T5191] hardirqs last enabled at (79513): [] __up_console_sem+0xb4/0x100 [ 80.166669][ T5191] hardirqs last disabled at (79514): [] el1_dbg+0x24/0x80 [ 80.167972][ T5191] softirqs last enabled at (79410): [] handle_softirqs+0xa4c/0xbf0 [ 80.169355][ T5191] softirqs last disabled at (79371): [] __irq_exit_rcu+0x240/0x440 [ 80.170697][ T5191] ---[ end trace 76a625aa17cce79b ]--- [ 80.172060][ T5191] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 80.174437][ T5191] BTRFS info (device loop0): forced readonly [ 80.175396][ T5191] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 80.177257][ T5191] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 80.178947][ T5191] BTRFS info (device loop0): balance: ended with status: -30 [ 80.311317][ T5213] loop0: detected capacity change from 0 to 32768 [ 80.379691][ T5213] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.28 (5213) [ 80.383415][ T5213] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 80.384907][ T5213] BTRFS info (device loop0): using free space tree [ 80.385933][ T5213] BTRFS info (device loop0): has skinny extents [ 80.394070][ T5213] BTRFS info (device loop0): enabling ssd optimizations [ 80.400662][ T5213] BTRFS info (device loop0): balance: start -s [ 80.401957][ T5213] ------------[ cut here ]------------ [ 80.402962][ T5213] WARNING: CPU: 1 PID: 5213 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0x9e8/0xca8 [ 80.404743][ T5213] Modules linked in: [ 80.405345][ T5213] CPU: 1 PID: 5213 Comm: syz.0.28 Tainted: G W syzkaller #0 [ 80.406659][ T5213] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.408215][ T5213] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 80.409341][ T5213] pc : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 80.410453][ T5213] lr : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 80.411458][ T5213] sp : ffff80001f0e7540 [ 80.412103][ T5213] x29: ffff80001f0e7710 x28: ffff0000d77b7058 x27: ffff0000deb3ea00 [ 80.413276][ T5213] x26: ffff0000deb3e9f8 x25: ffff0000d77b7050 x24: dfff800000000000 [ 80.414538][ T5213] x23: ffff0000d77b71b0 x22: 1fffe0001aef6e0b x21: 1fffe0001aef6e0a [ 80.415726][ T5213] x20: 00000000ffffffe4 x19: ffff0000e7f4d9d0 x18: 0000000000000001 [ 80.417095][ T5213] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 80.418390][ T5213] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 80.419671][ T5213] x11: 0000000000000000 x10: 0000000000000000 x9 : 6ab81f6005862c00 [ 80.420920][ T5213] x8 : 6ab81f6005862c00 x7 : 0000000000000001 x6 : 0000000000000001 [ 80.422162][ T5213] x5 : ffff80001f0e6e38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 80.423412][ T5213] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 80.424648][ T5213] Call trace: [ 80.425109][ T5213] btrfs_create_pending_block_groups+0x9e8/0xca8 [ 80.426040][ T5213] __btrfs_end_transaction+0x13c/0x608 [ 80.426861][ T5213] btrfs_end_transaction+0x24/0x34 [ 80.427671][ T5213] btrfs_inc_block_group_ro+0x4ec/0x558 [ 80.428452][ T5213] btrfs_relocate_block_group+0x2b8/0x8a4 [ 80.429318][ T5213] btrfs_relocate_chunk+0xb8/0x280 [ 80.430038][ T5213] __btrfs_balance+0x1170/0x1ba4 [ 80.430764][ T5213] btrfs_balance+0xac4/0x1138 [ 80.431458][ T5213] btrfs_ioctl_balance+0x4cc/0x658 [ 80.432162][ T5213] btrfs_ioctl+0x8d0/0xb38 [ 80.432774][ T5213] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.433560][ T5213] invoke_syscall+0x98/0x2b8 [ 80.434192][ T5213] el0_svc_common+0x138/0x258 [ 80.434921][ T5213] do_el0_svc+0x58/0x14c [ 80.435599][ T5213] el0_svc+0x78/0x1e0 [ 80.436268][ T5213] el0t_64_sync_handler+0xcc/0xe4 [ 80.436990][ T5213] el0t_64_sync+0x1a0/0x1a4 [ 80.437653][ T5213] irq event stamp: 80034 [ 80.438266][ T5213] hardirqs last enabled at (80033): [] __up_console_sem+0xb4/0x100 [ 80.439685][ T5213] hardirqs last disabled at (80034): [] el1_dbg+0x24/0x80 [ 80.440996][ T5213] softirqs last enabled at (79902): [] local_bh_enable+0x10/0x34 [ 80.442458][ T5213] softirqs last disabled at (79900): [] local_bh_disable+0x10/0x34 [ 80.443794][ T5213] ---[ end trace 76a625aa17cce79c ]--- [ 80.445203][ T5213] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 80.446761][ T5213] BTRFS info (device loop0): forced readonly [ 80.447908][ T5213] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 80.449547][ T5213] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 80.451302][ T5213] BTRFS info (device loop0): balance: ended with status: -30 [ 80.596200][ T5235] loop0: detected capacity change from 0 to 32768 [ 80.649841][ T5235] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.29 (5235) [ 80.653199][ T5235] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 80.654633][ T5235] BTRFS info (device loop0): using free space tree [ 80.655631][ T5235] BTRFS info (device loop0): has skinny extents [ 80.663377][ T5235] BTRFS info (device loop0): enabling ssd optimizations [ 80.668941][ T5235] BTRFS info (device loop0): balance: start -s [ 80.670427][ T5235] ------------[ cut here ]------------ [ 80.671330][ T5235] WARNING: CPU: 0 PID: 5235 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0x9e8/0xca8 [ 80.673083][ T5235] Modules linked in: [ 80.673728][ T5235] CPU: 0 PID: 5235 Comm: syz.0.29 Tainted: G W syzkaller #0 [ 80.674926][ T5235] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.676434][ T5235] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 80.677572][ T5235] pc : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 80.678706][ T5235] lr : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 80.679665][ T5235] sp : ffff800020be7540 [ 80.680241][ T5235] x29: ffff800020be7710 x28: ffff0000d73f0858 x27: ffff0000dea258a0 [ 80.681509][ T5235] x26: ffff0000dea25898 x25: ffff0000d73f0850 x24: dfff800000000000 [ 80.682708][ T5235] x23: ffff0000d73f09b0 x22: 1fffe0001ae7e10b x21: 1fffe0001ae7e10a [ 80.683969][ T5235] x20: 00000000ffffffe4 x19: ffff0000ce1ad9d0 x18: 0000000000000001 [ 80.685210][ T5235] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 80.686381][ T5235] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 80.687564][ T5235] x11: 0000000000000000 x10: 0000000000000000 x9 : 1a2e5cd04c8d5a00 [ 80.688709][ T5235] x8 : 1a2e5cd04c8d5a00 x7 : 0000000000000001 x6 : 0000000000000001 [ 80.689798][ T5235] x5 : ffff800020be6e38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 80.691018][ T5235] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 80.692222][ T5235] Call trace: [ 80.692714][ T5235] btrfs_create_pending_block_groups+0x9e8/0xca8 [ 80.693761][ T5235] __btrfs_end_transaction+0x13c/0x608 [ 80.694545][ T5235] btrfs_end_transaction+0x24/0x34 [ 80.695317][ T5235] btrfs_inc_block_group_ro+0x4ec/0x558 [ 80.696118][ T5235] btrfs_relocate_block_group+0x2b8/0x8a4 [ 80.697019][ T5235] btrfs_relocate_chunk+0xb8/0x280 [ 80.697811][ T5235] __btrfs_balance+0x1170/0x1ba4 [ 80.698518][ T5235] btrfs_balance+0xac4/0x1138 [ 80.699204][ T5235] btrfs_ioctl_balance+0x4cc/0x658 [ 80.699953][ T5235] btrfs_ioctl+0x8d0/0xb38 [ 80.700559][ T5235] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.701302][ T5235] invoke_syscall+0x98/0x2b8 [ 80.701951][ T5235] el0_svc_common+0x138/0x258 [ 80.702636][ T5235] do_el0_svc+0x58/0x14c [ 80.703228][ T5235] el0_svc+0x78/0x1e0 [ 80.703825][ T5235] el0t_64_sync_handler+0xcc/0xe4 [ 80.704593][ T5235] el0t_64_sync+0x1a0/0x1a4 [ 80.705297][ T5235] irq event stamp: 79306 [ 80.705929][ T5235] hardirqs last enabled at (79305): [] __up_console_sem+0xb4/0x100 [ 80.707292][ T5235] hardirqs last disabled at (79306): [] el1_dbg+0x24/0x80 [ 80.708563][ T5235] softirqs last enabled at (79172): [] local_bh_enable+0x10/0x34 [ 80.709841][ T5235] softirqs last disabled at (79170): [] local_bh_disable+0x10/0x34 [ 80.711251][ T5235] ---[ end trace 76a625aa17cce79d ]--- [ 80.712943][ T5235] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 80.714604][ T5235] BTRFS info (device loop0): forced readonly [ 80.715503][ T5235] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 80.717252][ T5235] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 80.720103][ T5235] BTRFS info (device loop0): balance: ended with status: -30 [ 80.865507][ T5257] loop0: detected capacity change from 0 to 32768 [ 80.908334][ T5257] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.30 (5257) [ 80.948882][ T5257] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 80.950310][ T5257] BTRFS info (device loop0): using free space tree [ 81.089221][ T5257] ------------[ cut here ]------------ [ 81.090328][ T5257] WARNING: CPU: 1 PID: 5257 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0x9e8/0xca8 [ 81.092150][ T5257] Modules linked in: [ 81.092771][ T5257] CPU: 1 PID: 5257 Comm: syz.0.30 Tainted: G W syzkaller #0 [ 81.094104][ T5257] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.095645][ T5257] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 81.096859][ T5257] pc : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 81.097856][ T5257] lr : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 81.098958][ T5257] sp : ffff8000209d7540 [ 81.099607][ T5257] x29: ffff8000209d7710 x28: ffff0000ca957858 x27: ffff0000deb3e270 [ 81.100860][ T5257] x26: ffff0000deb3e268 x25: ffff0000ca957850 x24: dfff800000000000 [ 81.102129][ T5257] x23: ffff0000ca9579b0 x22: 1fffe0001952af0b x21: 1fffe0001952af0a [ 81.103336][ T5257] x20: 00000000ffffffe4 x19: ffff0000eaa359d0 x18: 0000000000000001 [ 81.104510][ T5257] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 81.105714][ T5257] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 81.106884][ T5257] x11: 0000000000000000 x10: 0000000000000000 x9 : 006a93adb3044500 [ 81.108034][ T5257] x8 : 006a93adb3044500 x7 : 0000000000000001 x6 : 0000000000000001 [ 81.109177][ T5257] x5 : ffff8000209d6e38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 81.110350][ T5257] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 81.111488][ T5257] Call trace: [ 81.111968][ T5257] btrfs_create_pending_block_groups+0x9e8/0xca8 [ 81.112957][ T5257] __btrfs_end_transaction+0x13c/0x608 [ 81.113736][ T5257] btrfs_end_transaction+0x24/0x34 [ 81.114462][ T5257] btrfs_inc_block_group_ro+0x4ec/0x558 [ 81.115312][ T5257] btrfs_relocate_block_group+0x2b8/0x8a4 [ 81.116186][ T5257] btrfs_relocate_chunk+0xb8/0x280 [ 81.116933][ T5257] __btrfs_balance+0x1170/0x1ba4 [ 81.117632][ T5257] btrfs_balance+0xac4/0x1138 [ 81.118316][ T5257] btrfs_ioctl_balance+0x4cc/0x658 [ 81.119049][ T5257] btrfs_ioctl+0x8d0/0xb38 [ 81.119650][ T5257] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.120330][ T5257] invoke_syscall+0x98/0x2b8 [ 81.120969][ T5257] el0_svc_common+0x138/0x258 [ 81.121628][ T5257] do_el0_svc+0x58/0x14c [ 81.122210][ T5257] el0_svc+0x78/0x1e0 [ 81.122740][ T5257] el0t_64_sync_handler+0xcc/0xe4 [ 81.123521][ T5257] el0t_64_sync+0x1a0/0x1a4 [ 81.124148][ T5257] irq event stamp: 79012 [ 81.124730][ T5257] hardirqs last enabled at (79011): [] __up_console_sem+0xb4/0x100 [ 81.126045][ T5257] hardirqs last disabled at (79012): [] el1_dbg+0x24/0x80 [ 81.127317][ T5257] softirqs last enabled at (78886): [] local_bh_enable+0x10/0x34 [ 81.128654][ T5257] softirqs last disabled at (78884): [] local_bh_disable+0x10/0x34 [ 81.130030][ T5257] ---[ end trace 76a625aa17cce79e ]--- [ 81.154404][ T5257] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 81.167921][ T5257] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 81.169791][ T5257] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 81.311000][ T5280] loop0: detected capacity change from 0 to 32768 [ 81.371711][ T5280] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.31 (5280) [ 81.397843][ T5280] ------------[ cut here ]------------ [ 81.398781][ T5280] WARNING: CPU: 0 PID: 5280 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0x9e8/0xca8 [ 81.400413][ T5280] Modules linked in: [ 81.401000][ T5280] CPU: 0 PID: 5280 Comm: syz.0.31 Tainted: G W syzkaller #0 [ 81.402145][ T5280] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.403650][ T5280] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 81.404748][ T5280] pc : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 81.405670][ T5280] lr : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 81.406634][ T5280] sp : ffff800021207540 [ 81.407230][ T5280] x29: ffff800021207710 x28: ffff0000d7ab4058 x27: ffff0000dea25a00 [ 81.408470][ T5280] x26: ffff0000dea259f8 x25: ffff0000d7ab4050 x24: dfff800000000000 [ 81.409645][ T5280] x23: ffff0000d7ab41b0 x22: 1fffe0001af5680b x21: 1fffe0001af5680a [ 81.410805][ T5280] x20: 00000000ffffffe4 x19: ffff0000cc2459d0 x18: 0000000000000001 [ 81.411967][ T5280] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 81.413123][ T5280] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 81.414254][ T5280] x11: 0000000000000000 x10: 0000000000000000 x9 : 20bcc8d9be134300 [ 81.415419][ T5280] x8 : 20bcc8d9be134300 x7 : 0000000000000001 x6 : 0000000000000001 [ 81.416613][ T5280] x5 : ffff800021206e38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 81.417849][ T5280] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 81.419144][ T5280] Call trace: [ 81.419598][ T5280] btrfs_create_pending_block_groups+0x9e8/0xca8 [ 81.420565][ T5280] __btrfs_end_transaction+0x13c/0x608 [ 81.421399][ T5280] btrfs_end_transaction+0x24/0x34 [ 81.422135][ T5280] btrfs_inc_block_group_ro+0x4ec/0x558 [ 81.422901][ T5280] btrfs_relocate_block_group+0x2b8/0x8a4 [ 81.423765][ T5280] btrfs_relocate_chunk+0xb8/0x280 [ 81.424544][ T5280] __btrfs_balance+0x1170/0x1ba4 [ 81.425230][ T5280] btrfs_balance+0xac4/0x1138 [ 81.425908][ T5280] btrfs_ioctl_balance+0x4cc/0x658 [ 81.426723][ T5280] btrfs_ioctl+0x8d0/0xb38 [ 81.427389][ T5280] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.428144][ T5280] invoke_syscall+0x98/0x2b8 [ 81.428839][ T5280] el0_svc_common+0x138/0x258 [ 81.429581][ T5280] do_el0_svc+0x58/0x14c [ 81.430183][ T5280] el0_svc+0x78/0x1e0 [ 81.430741][ T5280] el0t_64_sync_handler+0xcc/0xe4 [ 81.431467][ T5280] el0t_64_sync+0x1a0/0x1a4 [ 81.432211][ T5280] irq event stamp: 79194 [ 81.432848][ T5280] hardirqs last enabled at (79193): [] __up_console_sem+0xb4/0x100 [ 81.434267][ T5280] hardirqs last disabled at (79194): [] el1_dbg+0x24/0x80 [ 81.435616][ T5280] softirqs last enabled at (79064): [] local_bh_enable+0x10/0x34 [ 81.436969][ T5280] softirqs last disabled at (79062): [] local_bh_disable+0x10/0x34 [ 81.438305][ T5280] ---[ end trace 76a625aa17cce79f ]--- [ 81.441594][ T5280] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 81.443238][ T5280] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 81.444788][ T5280] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 81.582203][ T5302] loop0: detected capacity change from 0 to 32768 [ 81.625680][ T5302] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.32 (5302) [ 81.644954][ T5302] ------------[ cut here ]------------ [ 81.646050][ T5302] WARNING: CPU: 0 PID: 5302 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0x9e8/0xca8 [ 81.647814][ T5302] Modules linked in: [ 81.648389][ T5302] CPU: 0 PID: 5302 Comm: syz.0.32 Tainted: G W syzkaller #0 [ 81.649642][ T5302] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.651052][ T5302] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 81.652266][ T5302] pc : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 81.653226][ T5302] lr : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 81.654212][ T5302] sp : ffff800021207540 [ 81.654820][ T5302] x29: ffff800021207710 x28: ffff0000c2a63058 x27: ffff0000dea25b60 [ 81.655959][ T5302] x26: ffff0000dea25b58 x25: ffff0000c2a63050 x24: dfff800000000000 [ 81.657160][ T5302] x23: ffff0000c2a631b0 x22: 1fffe0001854c60b x21: 1fffe0001854c60a [ 81.658302][ T5302] x20: 00000000ffffffe4 x19: ffff0000d76ed9d0 x18: 0000000000000001 [ 81.659462][ T5302] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 81.660572][ T5302] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 81.661771][ T5302] x11: 0000000000000000 x10: 0000000000000000 x9 : ed0c5514d50f9e00 [ 81.662931][ T5302] x8 : ed0c5514d50f9e00 x7 : 0000000000000001 x6 : 0000000000000001 [ 81.664128][ T5302] x5 : ffff800021206e38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 81.665331][ T5302] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 81.666579][ T5302] Call trace: [ 81.667140][ T5302] btrfs_create_pending_block_groups+0x9e8/0xca8 [ 81.668134][ T5302] __btrfs_end_transaction+0x13c/0x608 [ 81.668867][ T5302] btrfs_end_transaction+0x24/0x34 [ 81.669614][ T5302] btrfs_inc_block_group_ro+0x4ec/0x558 [ 81.670459][ T5302] btrfs_relocate_block_group+0x2b8/0x8a4 [ 81.671273][ T5302] btrfs_relocate_chunk+0xb8/0x280 [ 81.672007][ T5302] __btrfs_balance+0x1170/0x1ba4 [ 81.672788][ T5302] btrfs_balance+0xac4/0x1138 [ 81.673548][ T5302] btrfs_ioctl_balance+0x4cc/0x658 [ 81.674337][ T5302] btrfs_ioctl+0x8d0/0xb38 [ 81.675006][ T5302] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.675723][ T5302] invoke_syscall+0x98/0x2b8 [ 81.676328][ T5302] el0_svc_common+0x138/0x258 [ 81.677012][ T5302] do_el0_svc+0x58/0x14c [ 81.677603][ T5302] el0_svc+0x78/0x1e0 [ 81.678161][ T5302] el0t_64_sync_handler+0xcc/0xe4 [ 81.678846][ T5302] el0t_64_sync+0x1a0/0x1a4 [ 81.679558][ T5302] irq event stamp: 79474 [ 81.680170][ T5302] hardirqs last enabled at (79473): [] __up_console_sem+0xb4/0x100 [ 81.681433][ T5302] hardirqs last disabled at (79474): [] el1_dbg+0x24/0x80 [ 81.682669][ T5302] softirqs last enabled at (79348): [] local_bh_enable+0x10/0x34 [ 81.684037][ T5302] softirqs last disabled at (79346): [] local_bh_disable+0x10/0x34 [ 81.685417][ T5302] ---[ end trace 76a625aa17cce7a0 ]--- [ 81.688626][ T5302] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 81.690278][ T5302] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 81.691880][ T5302] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 81.823805][ T5324] loop0: detected capacity change from 0 to 32768 [ 81.858316][ T5324] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.33 (5324) [ 81.928731][ T5324] btrfs_printk: 19 callbacks suppressed [ 81.928743][ T5324] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 81.930956][ T5324] BTRFS info (device loop0): using free space tree [ 81.932013][ T5324] BTRFS info (device loop0): has skinny extents [ 81.940103][ T5324] BTRFS info (device loop0): enabling ssd optimizations [ 81.946154][ T5324] BTRFS info (device loop0): balance: start -s [ 81.947925][ T5324] ------------[ cut here ]------------ [ 81.948853][ T5324] WARNING: CPU: 0 PID: 5324 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0x9e8/0xca8 [ 81.950560][ T5324] Modules linked in: [ 81.951128][ T5324] CPU: 0 PID: 5324 Comm: syz.0.33 Tainted: G W syzkaller #0 [ 81.952355][ T5324] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.953928][ T5324] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 81.955075][ T5324] pc : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 81.956063][ T5324] lr : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 81.957073][ T5324] sp : ffff800021207540 [ 81.957698][ T5324] x29: ffff800021207710 x28: ffff0000d7cc8858 x27: ffff0000dea25cc0 [ 81.958907][ T5324] x26: ffff0000dea25cb8 x25: ffff0000d7cc8850 x24: dfff800000000000 [ 81.960131][ T5324] x23: ffff0000d7cc89b0 x22: 1fffe0001af9910b x21: 1fffe0001af9910a [ 81.961543][ T5324] x20: 00000000ffffffe4 x19: ffff0000d76ed9d0 x18: 0000000000000001 [ 81.962902][ T5324] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 81.964212][ T5324] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 81.965543][ T5324] x11: 0000000000000000 x10: 0000000000000000 x9 : 93e42934e9eb2600 [ 81.966804][ T5324] x8 : 93e42934e9eb2600 x7 : 0000000000000001 x6 : 0000000000000001 [ 81.968038][ T5324] x5 : ffff800021206e38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 81.969294][ T5324] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 81.970548][ T5324] Call trace: [ 81.971038][ T5324] btrfs_create_pending_block_groups+0x9e8/0xca8 [ 81.971994][ T5324] __btrfs_end_transaction+0x13c/0x608 [ 81.972781][ T5324] btrfs_end_transaction+0x24/0x34 [ 81.973547][ T5324] btrfs_inc_block_group_ro+0x4ec/0x558 [ 81.974364][ T5324] btrfs_relocate_block_group+0x2b8/0x8a4 [ 81.975211][ T5324] btrfs_relocate_chunk+0xb8/0x280 [ 81.975965][ T5324] __btrfs_balance+0x1170/0x1ba4 [ 81.976765][ T5324] btrfs_balance+0xac4/0x1138 [ 81.977454][ T5324] btrfs_ioctl_balance+0x4cc/0x658 [ 81.978232][ T5324] btrfs_ioctl+0x8d0/0xb38 [ 81.979003][ T5324] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.979824][ T5324] invoke_syscall+0x98/0x2b8 [ 81.980509][ T5324] el0_svc_common+0x138/0x258 [ 81.981258][ T5324] do_el0_svc+0x58/0x14c [ 81.982085][ T5324] el0_svc+0x78/0x1e0 [ 81.982737][ T5324] el0t_64_sync_handler+0xcc/0xe4 [ 81.983537][ T5324] el0t_64_sync+0x1a0/0x1a4 [ 81.984186][ T5324] irq event stamp: 79038 [ 81.984795][ T5324] hardirqs last enabled at (79037): [] __up_console_sem+0xb4/0x100 [ 81.986200][ T5324] hardirqs last disabled at (79038): [] el1_dbg+0x24/0x80 [ 81.987486][ T5324] softirqs last enabled at (78944): [] handle_softirqs+0xa4c/0xbf0 [ 81.988886][ T5324] softirqs last disabled at (78931): [] __irq_exit_rcu+0x240/0x440 [ 81.990209][ T5324] ---[ end trace 76a625aa17cce7a1 ]--- [ 81.991947][ T5324] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 81.993610][ T5324] BTRFS info (device loop0): forced readonly [ 81.994661][ T5324] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 81.996281][ T5324] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 81.998567][ T5324] BTRFS info (device loop0): balance: ended with status: -30 1970/01/01 00:01:22 executed programs: 20 [ 82.134288][ T5346] loop0: detected capacity change from 0 to 32768 [ 82.136776][ T5346] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.34 (5346) [ 82.140058][ T5346] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 82.141333][ T5346] BTRFS info (device loop0): using free space tree [ 82.142309][ T5346] BTRFS info (device loop0): has skinny extents [ 82.150139][ T5346] BTRFS info (device loop0): enabling ssd optimizations [ 82.155010][ T5346] BTRFS info (device loop0): balance: start -s [ 82.156302][ T5346] ------------[ cut here ]------------ [ 82.157793][ T5346] WARNING: CPU: 0 PID: 5346 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0x9e8/0xca8 [ 82.159388][ T5346] Modules linked in: [ 82.160040][ T5346] CPU: 0 PID: 5346 Comm: syz.0.34 Tainted: G W syzkaller #0 [ 82.161446][ T5346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.163047][ T5346] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 82.164326][ T5346] pc : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 82.165300][ T5346] lr : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 82.166344][ T5346] sp : ffff8000216b7540 [ 82.167001][ T5346] x29: ffff8000216b7710 x28: ffff0000d037b058 x27: ffff0000dea25270 [ 82.168215][ T5346] x26: ffff0000dea25268 x25: ffff0000d037b050 x24: dfff800000000000 [ 82.169473][ T5346] x23: ffff0000d037b1b0 x22: 1fffe0001a06f60b x21: 1fffe0001a06f60a [ 82.170887][ T5346] x20: 00000000ffffffe4 x19: ffff0000e80319d0 x18: 0000000000000001 [ 82.172132][ T5346] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 82.173469][ T5346] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 82.174773][ T5346] x11: 0000000000000000 x10: 0000000000000000 x9 : 44d9956a3e357300 [ 82.176044][ T5346] x8 : 44d9956a3e357300 x7 : 0000000000000001 x6 : 0000000000000001 [ 82.177295][ T5346] x5 : ffff8000216b6e38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 82.178597][ T5346] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 82.179847][ T5346] Call trace: [ 82.180343][ T5346] btrfs_create_pending_block_groups+0x9e8/0xca8 [ 82.181294][ T5346] __btrfs_end_transaction+0x13c/0x608 [ 82.182120][ T5346] btrfs_end_transaction+0x24/0x34 [ 82.182882][ T5346] btrfs_inc_block_group_ro+0x4ec/0x558 [ 82.183726][ T5346] btrfs_relocate_block_group+0x2b8/0x8a4 [ 82.184597][ T5346] btrfs_relocate_chunk+0xb8/0x280 [ 82.185333][ T5346] __btrfs_balance+0x1170/0x1ba4 [ 82.186143][ T5346] btrfs_balance+0xac4/0x1138 [ 82.186886][ T5346] btrfs_ioctl_balance+0x4cc/0x658 [ 82.187684][ T5346] btrfs_ioctl+0x8d0/0xb38 [ 82.188358][ T5346] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.189091][ T5346] invoke_syscall+0x98/0x2b8 [ 82.189761][ T5346] el0_svc_common+0x138/0x258 [ 82.190508][ T5346] do_el0_svc+0x58/0x14c [ 82.191059][ T5346] el0_svc+0x78/0x1e0 [ 82.191626][ T5346] el0t_64_sync_handler+0xcc/0xe4 [ 82.192388][ T5346] el0t_64_sync+0x1a0/0x1a4 [ 82.193096][ T5346] irq event stamp: 79182 [ 82.193776][ T5346] hardirqs last enabled at (79181): [] __up_console_sem+0xb4/0x100 [ 82.195132][ T5346] hardirqs last disabled at (79182): [] el1_dbg+0x24/0x80 [ 82.196384][ T5346] softirqs last enabled at (79170): [] handle_softirqs+0xa4c/0xbf0 [ 82.197755][ T5346] softirqs last disabled at (79151): [] __irq_exit_rcu+0x240/0x440 [ 82.199125][ T5346] ---[ end trace 76a625aa17cce7a2 ]--- [ 82.202288][ T5346] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 82.203783][ T5346] BTRFS info (device loop0): forced readonly [ 82.204679][ T5346] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 82.206188][ T5346] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 82.208306][ T5346] BTRFS info (device loop0): balance: ended with status: -30 [ 82.344169][ T5368] loop0: detected capacity change from 0 to 32768 [ 82.388271][ T5368] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.35 (5368) [ 82.428800][ T5368] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 82.430319][ T5368] BTRFS info (device loop0): using free space tree [ 82.431499][ T5368] BTRFS info (device loop0): has skinny extents [ 82.438874][ T5368] BTRFS info (device loop0): enabling ssd optimizations [ 82.443864][ T5368] BTRFS info (device loop0): balance: start -s [ 82.445197][ T5368] ------------[ cut here ]------------ [ 82.446228][ T5368] WARNING: CPU: 0 PID: 5368 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0x9e8/0xca8 [ 82.447951][ T5368] Modules linked in: [ 82.448617][ T5368] CPU: 0 PID: 5368 Comm: syz.0.35 Tainted: G W syzkaller #0 [ 82.449920][ T5368] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.451402][ T5368] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 82.452537][ T5368] pc : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 82.453489][ T5368] lr : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 82.454438][ T5368] sp : ffff800021207540 [ 82.455032][ T5368] x29: ffff800021207710 x28: ffff0000ce8ad858 x27: ffff0000dea25e20 [ 82.456218][ T5368] x26: ffff0000dea25e18 x25: ffff0000ce8ad850 x24: dfff800000000000 [ 82.457423][ T5368] x23: ffff0000ce8ad9b0 x22: 1fffe00019d15b0b x21: 1fffe00019d15b0a [ 82.458614][ T5368] x20: 00000000ffffffe4 x19: ffff0000e86fd9d0 x18: 0000000000000001 [ 82.459819][ T5368] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 82.460973][ T5368] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 82.462110][ T5368] x11: 0000000000000000 x10: 0000000000000000 x9 : 56c78c1287187a00 [ 82.463320][ T5368] x8 : 56c78c1287187a00 x7 : 0000000000000001 x6 : 0000000000000001 [ 82.464543][ T5368] x5 : ffff800021206e38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 82.465763][ T5368] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 82.466924][ T5368] Call trace: [ 82.467395][ T5368] btrfs_create_pending_block_groups+0x9e8/0xca8 [ 82.468356][ T5368] __btrfs_end_transaction+0x13c/0x608 [ 82.469166][ T5368] btrfs_end_transaction+0x24/0x34 [ 82.469893][ T5368] btrfs_inc_block_group_ro+0x4ec/0x558 [ 82.470699][ T5368] btrfs_relocate_block_group+0x2b8/0x8a4 [ 82.471511][ T5368] btrfs_relocate_chunk+0xb8/0x280 [ 82.472212][ T5368] __btrfs_balance+0x1170/0x1ba4 [ 82.472909][ T5368] btrfs_balance+0xac4/0x1138 [ 82.473569][ T5368] btrfs_ioctl_balance+0x4cc/0x658 [ 82.474284][ T5368] btrfs_ioctl+0x8d0/0xb38 [ 82.474890][ T5368] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.475580][ T5368] invoke_syscall+0x98/0x2b8 [ 82.476185][ T5368] el0_svc_common+0x138/0x258 [ 82.476852][ T5368] do_el0_svc+0x58/0x14c [ 82.477387][ T5368] el0_svc+0x78/0x1e0 [ 82.477939][ T5368] el0t_64_sync_handler+0xcc/0xe4 [ 82.478646][ T5368] el0t_64_sync+0x1a0/0x1a4 [ 82.479298][ T5368] irq event stamp: 79342 [ 82.479910][ T5368] hardirqs last enabled at (79341): [] __up_console_sem+0xb4/0x100 [ 82.481183][ T5368] hardirqs last disabled at (79342): [] el1_dbg+0x24/0x80 [ 82.482495][ T5368] softirqs last enabled at (79206): [] local_bh_enable+0x10/0x34 [ 82.483835][ T5368] softirqs last disabled at (79204): [] local_bh_disable+0x10/0x34 [ 82.485203][ T5368] ---[ end trace 76a625aa17cce7a3 ]--- [ 82.488489][ T5368] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 82.490099][ T5368] BTRFS info (device loop0): forced readonly [ 82.491035][ T5368] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 82.492712][ T5368] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 82.494555][ T5368] BTRFS info (device loop0): balance: ended with status: -30 [ 82.629249][ T5390] loop0: detected capacity change from 0 to 32768 [ 82.631843][ T5390] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.36 (5390) [ 82.634859][ T5390] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 82.636212][ T5390] BTRFS info (device loop0): using free space tree [ 82.637368][ T5390] BTRFS info (device loop0): has skinny extents [ 82.644410][ T5390] BTRFS info (device loop0): enabling ssd optimizations [ 82.649073][ T5390] BTRFS info (device loop0): balance: start -s [ 82.650425][ T5390] ------------[ cut here ]------------ [ 82.651444][ T5390] WARNING: CPU: 1 PID: 5390 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0x9e8/0xca8 [ 82.653275][ T5390] Modules linked in: [ 82.653876][ T5390] CPU: 1 PID: 5390 Comm: syz.0.36 Tainted: G W syzkaller #0 [ 82.655353][ T5390] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.656801][ T5390] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 82.658043][ T5390] pc : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 82.659036][ T5390] lr : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 82.660079][ T5390] sp : ffff800021207540 [ 82.660676][ T5390] x29: ffff800021207710 x28: ffff0000c6c69058 x27: ffff0000deb3e5e0 [ 82.661873][ T5390] x26: ffff0000deb3e5d8 x25: ffff0000c6c69050 x24: dfff800000000000 [ 82.663097][ T5390] x23: ffff0000c6c691b0 x22: 1fffe00018d8d20b x21: 1fffe00018d8d20a [ 82.664280][ T5390] x20: 00000000ffffffe4 x19: ffff0000ee53d9d0 x18: 0000000000000001 [ 82.665462][ T5390] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 82.666606][ T5390] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 82.667854][ T5390] x11: 0000000000000000 x10: 0000000000000000 x9 : 1dd10fa3cf54d800 [ 82.669122][ T5390] x8 : 1dd10fa3cf54d800 x7 : 0000000000000001 x6 : 0000000000000001 [ 82.670336][ T5390] x5 : ffff800021206e38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 82.671531][ T5390] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 82.672914][ T5390] Call trace: [ 82.673431][ T5390] btrfs_create_pending_block_groups+0x9e8/0xca8 [ 82.674362][ T5390] __btrfs_end_transaction+0x13c/0x608 [ 82.675194][ T5390] btrfs_end_transaction+0x24/0x34 [ 82.675964][ T5390] btrfs_inc_block_group_ro+0x4ec/0x558 [ 82.676765][ T5390] btrfs_relocate_block_group+0x2b8/0x8a4 [ 82.677548][ T5390] btrfs_relocate_chunk+0xb8/0x280 [ 82.678279][ T5390] __btrfs_balance+0x1170/0x1ba4 [ 82.679043][ T5390] btrfs_balance+0xac4/0x1138 [ 82.679794][ T5390] btrfs_ioctl_balance+0x4cc/0x658 [ 82.680555][ T5390] btrfs_ioctl+0x8d0/0xb38 [ 82.681173][ T5390] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.681899][ T5390] invoke_syscall+0x98/0x2b8 [ 82.682579][ T5390] el0_svc_common+0x138/0x258 [ 82.683248][ T5390] do_el0_svc+0x58/0x14c [ 82.683902][ T5390] el0_svc+0x78/0x1e0 [ 82.684527][ T5390] el0t_64_sync_handler+0xcc/0xe4 [ 82.685255][ T5390] el0t_64_sync+0x1a0/0x1a4 [ 82.685876][ T5390] irq event stamp: 79234 [ 82.686441][ T5390] hardirqs last enabled at (79233): [] __up_console_sem+0xb4/0x100 [ 82.687784][ T5390] hardirqs last disabled at (79234): [] el1_dbg+0x24/0x80 [ 82.689096][ T5390] softirqs last enabled at (79100): [] local_bh_enable+0x10/0x34 [ 82.690545][ T5390] softirqs last disabled at (79098): [] local_bh_disable+0x10/0x34 [ 82.692055][ T5390] ---[ end trace 76a625aa17cce7a4 ]--- [ 82.693270][ T5390] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 82.694860][ T5390] BTRFS info (device loop0): forced readonly [ 82.696208][ T5390] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 82.698062][ T5390] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 82.699759][ T5390] BTRFS info (device loop0): balance: ended with status: -30 [ 82.844544][ T5412] loop0: detected capacity change from 0 to 32768 [ 82.888300][ T5412] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.37 (5412) [ 82.929611][ T5412] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 82.931285][ T5412] BTRFS info (device loop0): using free space tree [ 82.932762][ T5412] BTRFS info (device loop0): has skinny extents [ 82.954345][ T5412] BTRFS info (device loop0): enabling ssd optimizations [ 82.959118][ T5412] BTRFS info (device loop0): balance: start -s [ 82.960462][ T5412] ------------[ cut here ]------------ [ 82.961452][ T5412] WARNING: CPU: 1 PID: 5412 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0x9e8/0xca8 [ 82.963148][ T5412] Modules linked in: [ 82.963736][ T5412] CPU: 1 PID: 5412 Comm: syz.0.37 Tainted: G W syzkaller #0 [ 82.964929][ T5412] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.966377][ T5412] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 82.967600][ T5412] pc : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 82.968754][ T5412] lr : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 82.969858][ T5412] sp : ffff800021817540 [ 82.970544][ T5412] x29: ffff800021817710 x28: ffff0000d72ee858 x27: ffff0000deb3e1c0 [ 82.971853][ T5412] x26: ffff0000deb3e1b8 x25: ffff0000d72ee850 x24: dfff800000000000 [ 82.973177][ T5412] x23: ffff0000d72ee9b0 x22: 1fffe0001ae5dd0b x21: 1fffe0001ae5dd0a [ 82.974451][ T5412] x20: 00000000ffffffe4 x19: ffff0000ee53d9d0 x18: 0000000000000001 [ 82.975642][ T5412] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 82.976910][ T5412] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 82.978221][ T5412] x11: 0000000000000000 x10: 0000000000000000 x9 : 9769721d542b9100 [ 82.979427][ T5412] x8 : 9769721d542b9100 x7 : 0000000000000001 x6 : 0000000000000001 [ 82.980728][ T5412] x5 : ffff800021816e38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 82.981964][ T5412] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 82.983139][ T5412] Call trace: [ 82.983683][ T5412] btrfs_create_pending_block_groups+0x9e8/0xca8 [ 82.984591][ T5412] __btrfs_end_transaction+0x13c/0x608 [ 82.985341][ T5412] btrfs_end_transaction+0x24/0x34 [ 82.986121][ T5412] btrfs_inc_block_group_ro+0x4ec/0x558 [ 82.986927][ T5412] btrfs_relocate_block_group+0x2b8/0x8a4 [ 82.987732][ T5412] btrfs_relocate_chunk+0xb8/0x280 [ 82.988536][ T5412] __btrfs_balance+0x1170/0x1ba4 [ 82.989332][ T5412] btrfs_balance+0xac4/0x1138 [ 82.989986][ T5412] btrfs_ioctl_balance+0x4cc/0x658 [ 82.990705][ T5412] btrfs_ioctl+0x8d0/0xb38 [ 82.991295][ T5412] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.992002][ T5412] invoke_syscall+0x98/0x2b8 [ 82.992669][ T5412] el0_svc_common+0x138/0x258 [ 82.993351][ T5412] do_el0_svc+0x58/0x14c [ 82.994000][ T5412] el0_svc+0x78/0x1e0 [ 82.994558][ T5412] el0t_64_sync_handler+0xcc/0xe4 [ 82.995313][ T5412] el0t_64_sync+0x1a0/0x1a4 [ 82.995962][ T5412] irq event stamp: 79016 [ 82.996592][ T5412] hardirqs last enabled at (79015): [] __up_console_sem+0xb4/0x100 [ 82.998011][ T5412] hardirqs last disabled at (79016): [] el1_dbg+0x24/0x80 [ 82.999293][ T5412] softirqs last enabled at (78874): [] local_bh_enable+0x10/0x34 [ 83.000709][ T5412] softirqs last disabled at (78872): [] local_bh_disable+0x10/0x34 [ 83.002165][ T5412] ---[ end trace 76a625aa17cce7a5 ]--- [ 83.005604][ T5412] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 83.007299][ T5412] BTRFS info (device loop0): forced readonly [ 83.008306][ T5412] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 83.010034][ T5412] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 83.011624][ T5412] BTRFS info (device loop0): balance: ended with status: -30 [ 83.143859][ T5434] loop0: detected capacity change from 0 to 32768 [ 83.222748][ T5434] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.38 (5434) [ 83.225731][ T5434] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 83.227347][ T5434] BTRFS info (device loop0): using free space tree [ 83.228374][ T5434] BTRFS info (device loop0): has skinny extents [ 83.235857][ T5434] BTRFS info (device loop0): enabling ssd optimizations [ 83.250263][ T5434] BTRFS info (device loop0): balance: start -s [ 83.251502][ T5434] ------------[ cut here ]------------ [ 83.252436][ T5434] WARNING: CPU: 1 PID: 5434 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0x9e8/0xca8 [ 83.254146][ T5434] Modules linked in: [ 83.254803][ T5434] CPU: 1 PID: 5434 Comm: syz.0.38 Tainted: G W syzkaller #0 [ 83.256161][ T5434] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.257753][ T5434] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 83.258993][ T5434] pc : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 83.260004][ T5434] lr : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 83.260997][ T5434] sp : ffff800021817540 [ 83.261597][ T5434] x29: ffff800021817710 x28: ffff0000d7790858 x27: ffff0000deb3e7f0 [ 83.262786][ T5434] x26: ffff0000deb3e7e8 x25: ffff0000d7790850 x24: dfff800000000000 [ 83.263919][ T5434] x23: ffff0000d77909b0 x22: 1fffe0001aef210b x21: 1fffe0001aef210a [ 83.265144][ T5434] x20: 00000000ffffffe4 x19: ffff0000ee53d9d0 x18: 0000000000000001 [ 83.266320][ T5434] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 83.267556][ T5434] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 83.268764][ T5434] x11: 0000000000000000 x10: 0000000000000000 x9 : 7b7e62729ccb6800 [ 83.269998][ T5434] x8 : 7b7e62729ccb6800 x7 : 0000000000000001 x6 : 0000000000000001 [ 83.271211][ T5434] x5 : ffff800021816e38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 83.272386][ T5434] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 83.273529][ T5434] Call trace: [ 83.273978][ T5434] btrfs_create_pending_block_groups+0x9e8/0xca8 [ 83.274884][ T5434] __btrfs_end_transaction+0x13c/0x608 [ 83.275696][ T5434] btrfs_end_transaction+0x24/0x34 [ 83.276497][ T5434] btrfs_inc_block_group_ro+0x4ec/0x558 [ 83.277337][ T5434] btrfs_relocate_block_group+0x2b8/0x8a4 [ 83.278164][ T5434] btrfs_relocate_chunk+0xb8/0x280 [ 83.278910][ T5434] __btrfs_balance+0x1170/0x1ba4 [ 83.279705][ T5434] btrfs_balance+0xac4/0x1138 [ 83.280436][ T5434] btrfs_ioctl_balance+0x4cc/0x658 [ 83.281217][ T5434] btrfs_ioctl+0x8d0/0xb38 [ 83.281871][ T5434] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.282601][ T5434] invoke_syscall+0x98/0x2b8 [ 83.283281][ T5434] el0_svc_common+0x138/0x258 [ 83.283919][ T5434] do_el0_svc+0x58/0x14c [ 83.284577][ T5434] el0_svc+0x78/0x1e0 [ 83.285226][ T5434] el0t_64_sync_handler+0xcc/0xe4 [ 83.286075][ T5434] el0t_64_sync+0x1a0/0x1a4 [ 83.286828][ T5434] irq event stamp: 79174 [ 83.287515][ T5434] hardirqs last enabled at (79173): [] __up_console_sem+0xb4/0x100 [ 83.289078][ T5434] hardirqs last disabled at (79174): [] el1_dbg+0x24/0x80 [ 83.290422][ T5434] softirqs last enabled at (79036): [] local_bh_enable+0x10/0x34 [ 83.291801][ T5434] softirqs last disabled at (79034): [] local_bh_disable+0x10/0x34 [ 83.293200][ T5434] ---[ end trace 76a625aa17cce7a6 ]--- [ 83.295720][ T5434] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 83.297862][ T5434] BTRFS info (device loop0): forced readonly [ 83.299005][ T5434] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 83.300600][ T5434] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 83.302098][ T5434] BTRFS info (device loop0): balance: ended with status: -30 [ 83.436824][ T5456] loop0: detected capacity change from 0 to 32768 [ 83.479146][ T5456] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.39 (5456) [ 83.484815][ T5456] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 83.486197][ T5456] BTRFS info (device loop0): using free space tree [ 83.487511][ T5456] BTRFS info (device loop0): has skinny extents [ 83.500686][ T5456] BTRFS info (device loop0): enabling ssd optimizations [ 83.505837][ T5456] BTRFS info (device loop0): balance: start -s [ 83.507782][ T5456] ------------[ cut here ]------------ [ 83.508784][ T5456] WARNING: CPU: 1 PID: 5456 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0x9e8/0xca8 [ 83.510433][ T5456] Modules linked in: [ 83.510996][ T5456] CPU: 1 PID: 5456 Comm: syz.0.39 Tainted: G W syzkaller #0 [ 83.512233][ T5456] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.513755][ T5456] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 83.514888][ T5456] pc : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 83.515876][ T5456] lr : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 83.516819][ T5456] sp : ffff800021817540 [ 83.517440][ T5456] x29: ffff800021817710 x28: ffff0000d73e9058 x27: ffff0000deb3eb60 [ 83.518661][ T5456] x26: ffff0000deb3eb58 x25: ffff0000d73e9050 x24: dfff800000000000 [ 83.519900][ T5456] x23: ffff0000d73e91b0 x22: 1fffe0001ae7d20b x21: 1fffe0001ae7d20a [ 83.521122][ T5456] x20: 00000000ffffffe4 x19: ffff0000ee53d9d0 x18: 0000000000000001 [ 83.522353][ T5456] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 83.523563][ T5456] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 83.524775][ T5456] x11: 0000000000000000 x10: 0000000000000000 x9 : 791e4f9a121d1200 [ 83.525967][ T5456] x8 : 791e4f9a121d1200 x7 : 0000000000000001 x6 : 0000000000000001 [ 83.527217][ T5456] x5 : ffff800021816e38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 83.528360][ T5456] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 83.529596][ T5456] Call trace: [ 83.530133][ T5456] btrfs_create_pending_block_groups+0x9e8/0xca8 [ 83.531040][ T5456] __btrfs_end_transaction+0x13c/0x608 [ 83.531881][ T5456] btrfs_end_transaction+0x24/0x34 [ 83.532589][ T5456] btrfs_inc_block_group_ro+0x4ec/0x558 [ 83.533380][ T5456] btrfs_relocate_block_group+0x2b8/0x8a4 [ 83.534184][ T5456] btrfs_relocate_chunk+0xb8/0x280 [ 83.534935][ T5456] __btrfs_balance+0x1170/0x1ba4 [ 83.535675][ T5456] btrfs_balance+0xac4/0x1138 [ 83.536410][ T5456] btrfs_ioctl_balance+0x4cc/0x658 [ 83.537117][ T5456] btrfs_ioctl+0x8d0/0xb38 [ 83.537774][ T5456] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.538545][ T5456] invoke_syscall+0x98/0x2b8 [ 83.539200][ T5456] el0_svc_common+0x138/0x258 [ 83.539914][ T5456] do_el0_svc+0x58/0x14c [ 83.540566][ T5456] el0_svc+0x78/0x1e0 [ 83.541167][ T5456] el0t_64_sync_handler+0xcc/0xe4 [ 83.541864][ T5456] el0t_64_sync+0x1a0/0x1a4 [ 83.542587][ T5456] irq event stamp: 79178 [ 83.543192][ T5456] hardirqs last enabled at (79177): [] __up_console_sem+0xb4/0x100 [ 83.544734][ T5456] hardirqs last disabled at (79178): [] el1_dbg+0x24/0x80 [ 83.546033][ T5456] softirqs last enabled at (79132): [] handle_softirqs+0xa4c/0xbf0 [ 83.547445][ T5456] softirqs last disabled at (79093): [] __irq_exit_rcu+0x240/0x440 [ 83.548814][ T5456] ---[ end trace 76a625aa17cce7a7 ]--- [ 83.552053][ T5456] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 83.553679][ T5456] BTRFS info (device loop0): forced readonly [ 83.554654][ T5456] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 83.556299][ T5456] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 83.558258][ T5456] BTRFS info (device loop0): balance: ended with status: -30 [ 83.696268][ T5478] loop0: detected capacity change from 0 to 32768 [ 83.751543][ T5478] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.40 (5478) [ 83.756165][ T5478] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 83.757795][ T5478] BTRFS info (device loop0): using free space tree [ 83.758867][ T5478] BTRFS info (device loop0): has skinny extents [ 83.765946][ T5478] BTRFS info (device loop0): enabling ssd optimizations [ 83.771985][ T5478] BTRFS info (device loop0): balance: start -s [ 83.773331][ T5478] ------------[ cut here ]------------ [ 83.774481][ T5478] WARNING: CPU: 1 PID: 5478 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0x9e8/0xca8 [ 83.776361][ T5478] Modules linked in: [ 83.777009][ T5478] CPU: 1 PID: 5478 Comm: syz.0.40 Tainted: G W syzkaller #0 [ 83.778388][ T5478] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.779934][ T5478] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 83.781120][ T5478] pc : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 83.782171][ T5478] lr : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 83.783152][ T5478] sp : ffff800021817540 [ 83.783752][ T5478] x29: ffff800021817710 x28: ffff0000d054d058 x27: ffff0000deb3e950 [ 83.784985][ T5478] x26: ffff0000deb3e948 x25: ffff0000d054d050 x24: dfff800000000000 [ 83.786227][ T5478] x23: ffff0000d054d1b0 x22: 1fffe0001a0a9a0b x21: 1fffe0001a0a9a0a [ 83.787445][ T5478] x20: 00000000ffffffe4 x19: ffff0000ee53d9d0 x18: 0000000000000001 [ 83.788629][ T5478] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 83.789757][ T5478] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 83.790977][ T5478] x11: 0000000000000000 x10: 0000000000000000 x9 : 3996c5a152811b00 [ 83.792122][ T5478] x8 : 3996c5a152811b00 x7 : 0000000000000001 x6 : 0000000000000001 [ 83.793324][ T5478] x5 : ffff800021816e38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 83.794504][ T5478] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 83.795744][ T5478] Call trace: [ 83.796202][ T5478] btrfs_create_pending_block_groups+0x9e8/0xca8 [ 83.797111][ T5478] __btrfs_end_transaction+0x13c/0x608 [ 83.797939][ T5478] btrfs_end_transaction+0x24/0x34 [ 83.798710][ T5478] btrfs_inc_block_group_ro+0x4ec/0x558 [ 83.799521][ T5478] btrfs_relocate_block_group+0x2b8/0x8a4 [ 83.800348][ T5478] btrfs_relocate_chunk+0xb8/0x280 [ 83.801078][ T5478] __btrfs_balance+0x1170/0x1ba4 [ 83.801861][ T5478] btrfs_balance+0xac4/0x1138 [ 83.802604][ T5478] btrfs_ioctl_balance+0x4cc/0x658 [ 83.803375][ T5478] btrfs_ioctl+0x8d0/0xb38 [ 83.804052][ T5478] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.804806][ T5478] invoke_syscall+0x98/0x2b8 [ 83.805435][ T5478] el0_svc_common+0x138/0x258 [ 83.806113][ T5478] do_el0_svc+0x58/0x14c [ 83.806731][ T5478] el0_svc+0x78/0x1e0 [ 83.807321][ T5478] el0t_64_sync_handler+0xcc/0xe4 [ 83.808036][ T5478] el0t_64_sync+0x1a0/0x1a4 [ 83.808685][ T5478] irq event stamp: 79488 [ 83.809270][ T5478] hardirqs last enabled at (79487): [] __up_console_sem+0xb4/0x100 [ 83.810659][ T5478] hardirqs last disabled at (79488): [] el1_dbg+0x24/0x80 [ 83.811913][ T5478] softirqs last enabled at (79362): [] local_bh_enable+0x10/0x34 [ 83.813289][ T5478] softirqs last disabled at (79360): [] local_bh_disable+0x10/0x34 [ 83.814553][ T5478] ---[ end trace 76a625aa17cce7a8 ]--- [ 83.818186][ T5478] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 83.819670][ T5478] BTRFS info (device loop0): forced readonly [ 83.820786][ T5478] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 83.822508][ T5478] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 83.824115][ T5478] BTRFS info (device loop0): balance: ended with status: -30 [ 83.960459][ T5500] loop0: detected capacity change from 0 to 32768 [ 84.041769][ T5500] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.41 (5500) [ 84.044923][ T5500] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 84.046314][ T5500] BTRFS info (device loop0): using free space tree [ 84.047478][ T5500] BTRFS info (device loop0): has skinny extents [ 84.055659][ T5500] BTRFS info (device loop0): enabling ssd optimizations [ 84.060687][ T5500] BTRFS info (device loop0): balance: start -s [ 84.062120][ T5500] ------------[ cut here ]------------ [ 84.063186][ T5500] WARNING: CPU: 0 PID: 5500 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0x9e8/0xca8 [ 84.064960][ T5500] Modules linked in: [ 84.065555][ T5500] CPU: 0 PID: 5500 Comm: syz.0.41 Tainted: G W syzkaller #0 [ 84.066800][ T5500] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.068299][ T5500] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 84.069404][ T5500] pc : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 84.070379][ T5500] lr : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 84.071332][ T5500] sp : ffff800021817540 [ 84.071929][ T5500] x29: ffff800021817710 x28: ffff0000d04c2858 x27: ffff0000dea25530 [ 84.073144][ T5500] x26: ffff0000dea25528 x25: ffff0000d04c2850 x24: dfff800000000000 [ 84.074365][ T5500] x23: ffff0000d04c29b0 x22: 1fffe0001a09850b x21: 1fffe0001a09850a [ 84.075602][ T5500] x20: 00000000ffffffe4 x19: ffff0000ee53d9d0 x18: 0000000000000001 [ 84.076735][ T5500] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 84.077897][ T5500] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 84.079107][ T5500] x11: 0000000000000000 x10: 0000000000000000 x9 : 1917c2d2271f4c00 [ 84.080392][ T5500] x8 : 1917c2d2271f4c00 x7 : 0000000000000001 x6 : 0000000000000001 [ 84.081527][ T5500] x5 : ffff800021816e38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 84.082852][ T5500] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 84.084045][ T5500] Call trace: [ 84.084527][ T5500] btrfs_create_pending_block_groups+0x9e8/0xca8 [ 84.085476][ T5500] __btrfs_end_transaction+0x13c/0x608 [ 84.086294][ T5500] btrfs_end_transaction+0x24/0x34 [ 84.087061][ T5500] btrfs_inc_block_group_ro+0x4ec/0x558 [ 84.087884][ T5500] btrfs_relocate_block_group+0x2b8/0x8a4 [ 84.088734][ T5500] btrfs_relocate_chunk+0xb8/0x280 [ 84.089449][ T5500] __btrfs_balance+0x1170/0x1ba4 [ 84.090139][ T5500] btrfs_balance+0xac4/0x1138 [ 84.090801][ T5500] btrfs_ioctl_balance+0x4cc/0x658 [ 84.091539][ T5500] btrfs_ioctl+0x8d0/0xb38 [ 84.092096][ T5500] __arm64_sys_ioctl+0x14c/0x1c8 [ 84.092812][ T5500] invoke_syscall+0x98/0x2b8 [ 84.093461][ T5500] el0_svc_common+0x138/0x258 [ 84.094184][ T5500] do_el0_svc+0x58/0x14c [ 84.094814][ T5500] el0_svc+0x78/0x1e0 [ 84.095371][ T5500] el0t_64_sync_handler+0xcc/0xe4 [ 84.096170][ T5500] el0t_64_sync+0x1a0/0x1a4 [ 84.096806][ T5500] irq event stamp: 79262 [ 84.097423][ T5500] hardirqs last enabled at (79261): [] __up_console_sem+0xb4/0x100 [ 84.098750][ T5500] hardirqs last disabled at (79262): [] el1_dbg+0x24/0x80 [ 84.100133][ T5500] softirqs last enabled at (79140): [] local_bh_enable+0x10/0x34 [ 84.101426][ T5500] softirqs last disabled at (79138): [] local_bh_disable+0x10/0x34 [ 84.102840][ T5500] ---[ end trace 76a625aa17cce7a9 ]--- [ 84.103952][ T5500] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 84.105579][ T5500] BTRFS info (device loop0): forced readonly [ 84.106500][ T5500] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 84.108289][ T5500] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 84.109821][ T5500] BTRFS info (device loop0): balance: ended with status: -30 [ 84.240321][ T5522] loop0: detected capacity change from 0 to 32768 [ 84.347753][ T5522] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.42 (5522) [ 84.350930][ T5522] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 84.352268][ T5522] BTRFS info (device loop0): using free space tree [ 84.353260][ T5522] BTRFS info (device loop0): has skinny extents [ 84.361022][ T5522] BTRFS info (device loop0): enabling ssd optimizations [ 84.365589][ T5522] BTRFS info (device loop0): balance: start -s [ 84.366907][ T5522] ------------[ cut here ]------------ [ 84.368618][ T5522] WARNING: CPU: 1 PID: 5522 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0x9e8/0xca8 [ 84.370379][ T5522] Modules linked in: [ 84.370935][ T5522] CPU: 1 PID: 5522 Comm: syz.0.42 Tainted: G W syzkaller #0 [ 84.372187][ T5522] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.373723][ T5522] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 84.374924][ T5522] pc : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 84.375965][ T5522] lr : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 84.377011][ T5522] sp : ffff800021f37540 [ 84.377607][ T5522] x29: ffff800021f37710 x28: ffff0000d5b0f058 x27: ffff0000deb3ecc0 [ 84.378803][ T5522] x26: ffff0000deb3ecb8 x25: ffff0000d5b0f050 x24: dfff800000000000 [ 84.379985][ T5522] x23: ffff0000d5b0f1b0 x22: 1fffe0001ab61e0b x21: 1fffe0001ab61e0a [ 84.381158][ T5522] x20: 00000000ffffffe4 x19: ffff0000eaae19d0 x18: 0000000000000001 [ 84.382345][ T5522] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 84.383514][ T5522] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 84.384733][ T5522] x11: 0000000000000000 x10: 0000000000000000 x9 : a413fe0f8930a500 [ 84.385956][ T5522] x8 : a413fe0f8930a500 x7 : 0000000000000001 x6 : 0000000000000001 [ 84.387205][ T5522] x5 : ffff800021f36e38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 84.388389][ T5522] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 84.389538][ T5522] Call trace: [ 84.389994][ T5522] btrfs_create_pending_block_groups+0x9e8/0xca8 [ 84.390894][ T5522] __btrfs_end_transaction+0x13c/0x608 [ 84.391632][ T5522] btrfs_end_transaction+0x24/0x34 [ 84.392372][ T5522] btrfs_inc_block_group_ro+0x4ec/0x558 [ 84.393198][ T5522] btrfs_relocate_block_group+0x2b8/0x8a4 [ 84.393984][ T5522] btrfs_relocate_chunk+0xb8/0x280 [ 84.394663][ T5522] __btrfs_balance+0x1170/0x1ba4 [ 84.395389][ T5522] btrfs_balance+0xac4/0x1138 [ 84.396082][ T5522] btrfs_ioctl_balance+0x4cc/0x658 [ 84.396860][ T5522] btrfs_ioctl+0x8d0/0xb38 [ 84.397478][ T5522] __arm64_sys_ioctl+0x14c/0x1c8 [ 84.398221][ T5522] invoke_syscall+0x98/0x2b8 [ 84.398891][ T5522] el0_svc_common+0x138/0x258 [ 84.399594][ T5522] do_el0_svc+0x58/0x14c [ 84.400206][ T5522] el0_svc+0x78/0x1e0 [ 84.400756][ T5522] el0t_64_sync_handler+0xcc/0xe4 [ 84.401493][ T5522] el0t_64_sync+0x1a0/0x1a4 [ 84.402116][ T5522] irq event stamp: 79184 [ 84.402784][ T5522] hardirqs last enabled at (79183): [] __up_console_sem+0xb4/0x100 [ 84.404146][ T5522] hardirqs last disabled at (79184): [] el1_dbg+0x24/0x80 [ 84.405446][ T5522] softirqs last enabled at (79172): [] handle_softirqs+0xa4c/0xbf0 [ 84.406900][ T5522] softirqs last disabled at (79153): [] __irq_exit_rcu+0x240/0x440 [ 84.408307][ T5522] ---[ end trace 76a625aa17cce7aa ]--- [ 84.411657][ T5522] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 84.413144][ T5522] BTRFS info (device loop0): forced readonly [ 84.414148][ T5522] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 84.415728][ T5522] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 84.417769][ T5522] BTRFS info (device loop0): balance: ended with status: -30 [ 84.551718][ T5544] loop0: detected capacity change from 0 to 32768 [ 84.589287][ T5544] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.43 (5544) [ 84.595884][ T5544] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 84.597451][ T5544] BTRFS info (device loop0): using free space tree [ 84.598497][ T5544] BTRFS info (device loop0): has skinny extents [ 84.606386][ T5544] BTRFS info (device loop0): enabling ssd optimizations [ 84.612072][ T5544] BTRFS info (device loop0): balance: start -s [ 84.613403][ T5544] ------------[ cut here ]------------ [ 84.614374][ T5544] WARNING: CPU: 1 PID: 5544 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0x9e8/0xca8 [ 84.616166][ T5544] Modules linked in: [ 84.616774][ T5544] CPU: 1 PID: 5544 Comm: syz.0.43 Tainted: G W syzkaller #0 [ 84.618049][ T5544] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.619432][ T5544] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 84.620509][ T5544] pc : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 84.621566][ T5544] lr : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 84.622539][ T5544] sp : ffff800021f37540 [ 84.623149][ T5544] x29: ffff800021f37710 x28: ffff0000d6987858 x27: ffff0000deb3ed70 [ 84.624439][ T5544] x26: ffff0000deb3ed68 x25: ffff0000d6987850 x24: dfff800000000000 [ 84.625673][ T5544] x23: ffff0000d69879b0 x22: 1fffe0001ad30f0b x21: 1fffe0001ad30f0a [ 84.626933][ T5544] x20: 00000000ffffffe4 x19: ffff0000cfa719d0 x18: 0000000000000001 [ 84.628076][ T5544] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 84.629319][ T5544] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 84.630694][ T5544] x11: 0000000000000000 x10: 0000000000000000 x9 : dd6e33368ddea600 [ 84.631967][ T5544] x8 : dd6e33368ddea600 x7 : 0000000000000001 x6 : 0000000000000001 [ 84.633182][ T5544] x5 : ffff800021f36e38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 84.634435][ T5544] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 84.635663][ T5544] Call trace: [ 84.636130][ T5544] btrfs_create_pending_block_groups+0x9e8/0xca8 [ 84.637124][ T5544] __btrfs_end_transaction+0x13c/0x608 [ 84.637990][ T5544] btrfs_end_transaction+0x24/0x34 [ 84.638820][ T5544] btrfs_inc_block_group_ro+0x4ec/0x558 [ 84.639747][ T5544] btrfs_relocate_block_group+0x2b8/0x8a4 [ 84.640635][ T5544] btrfs_relocate_chunk+0xb8/0x280 [ 84.641388][ T5544] __btrfs_balance+0x1170/0x1ba4 [ 84.642201][ T5544] btrfs_balance+0xac4/0x1138 [ 84.642896][ T5544] btrfs_ioctl_balance+0x4cc/0x658 [ 84.643642][ T5544] btrfs_ioctl+0x8d0/0xb38 [ 84.644257][ T5544] __arm64_sys_ioctl+0x14c/0x1c8 [ 84.645040][ T5544] invoke_syscall+0x98/0x2b8 [ 84.645706][ T5544] el0_svc_common+0x138/0x258 [ 84.646402][ T5544] do_el0_svc+0x58/0x14c [ 84.647018][ T5544] el0_svc+0x78/0x1e0 [ 84.647692][ T5544] el0t_64_sync_handler+0xcc/0xe4 [ 84.648432][ T5544] el0t_64_sync+0x1a0/0x1a4 [ 84.649130][ T5544] irq event stamp: 79324 [ 84.649712][ T5544] hardirqs last enabled at (79323): [] __up_console_sem+0xb4/0x100 [ 84.651159][ T5544] hardirqs last disabled at (79324): [] el1_dbg+0x24/0x80 [ 84.652418][ T5544] softirqs last enabled at (79174): [] local_bh_enable+0x10/0x34 [ 84.653721][ T5544] softirqs last disabled at (79172): [] local_bh_disable+0x10/0x34 [ 84.655081][ T5544] ---[ end trace 76a625aa17cce7ab ]--- [ 84.658271][ T5544] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 84.660035][ T5544] BTRFS info (device loop0): forced readonly [ 84.661116][ T5544] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 84.662732][ T5544] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 84.664244][ T5544] BTRFS info (device loop0): balance: ended with status: -30 [ 84.798791][ T5566] loop0: detected capacity change from 0 to 32768 [ 84.831475][ T5566] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.44 (5566) [ 84.835682][ T5566] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 84.837440][ T5566] BTRFS info (device loop0): using free space tree [ 84.838405][ T5566] BTRFS info (device loop0): has skinny extents [ 84.845352][ T5566] BTRFS info (device loop0): enabling ssd optimizations [ 84.850633][ T5566] BTRFS info (device loop0): balance: start -s [ 84.851863][ T5566] ------------[ cut here ]------------ [ 84.852812][ T5566] WARNING: CPU: 1 PID: 5566 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0x9e8/0xca8 [ 84.854585][ T5566] Modules linked in: [ 84.855133][ T5566] CPU: 1 PID: 5566 Comm: syz.0.44 Tainted: G W syzkaller #0 [ 84.856442][ T5566] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.857990][ T5566] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 84.859126][ T5566] pc : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 84.860136][ T5566] lr : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 84.861187][ T5566] sp : ffff800021f37540 [ 84.861788][ T5566] x29: ffff800021f37710 x28: ffff0000d0068858 x27: ffff0000deb3eed0 [ 84.862971][ T5566] x26: ffff0000deb3eec8 x25: ffff0000d0068850 x24: dfff800000000000 [ 84.864298][ T5566] x23: ffff0000d00689b0 x22: 1fffe0001a00d10b x21: 1fffe0001a00d10a [ 84.865630][ T5566] x20: 00000000ffffffe4 x19: ffff0000cfa719d0 x18: 0000000000000001 [ 84.866856][ T5566] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 84.868088][ T5566] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 84.869211][ T5566] x11: 0000000000000000 x10: 0000000000000000 x9 : 051e21d3ad65f300 [ 84.870479][ T5566] x8 : 051e21d3ad65f300 x7 : 0000000000000001 x6 : 0000000000000001 [ 84.871717][ T5566] x5 : ffff800021f36e38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 84.872975][ T5566] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 84.874201][ T5566] Call trace: [ 84.874716][ T5566] btrfs_create_pending_block_groups+0x9e8/0xca8 [ 84.875707][ T5566] __btrfs_end_transaction+0x13c/0x608 [ 84.876473][ T5566] btrfs_end_transaction+0x24/0x34 [ 84.877321][ T5566] btrfs_inc_block_group_ro+0x4ec/0x558 [ 84.878182][ T5566] btrfs_relocate_block_group+0x2b8/0x8a4 [ 84.879062][ T5566] btrfs_relocate_chunk+0xb8/0x280 [ 84.879855][ T5566] __btrfs_balance+0x1170/0x1ba4 [ 84.880582][ T5566] btrfs_balance+0xac4/0x1138 [ 84.881283][ T5566] btrfs_ioctl_balance+0x4cc/0x658 [ 84.882115][ T5566] btrfs_ioctl+0x8d0/0xb38 [ 84.882780][ T5566] __arm64_sys_ioctl+0x14c/0x1c8 [ 84.883460][ T5566] invoke_syscall+0x98/0x2b8 [ 84.884118][ T5566] el0_svc_common+0x138/0x258 [ 84.884753][ T5566] do_el0_svc+0x58/0x14c [ 84.885348][ T5566] el0_svc+0x78/0x1e0 [ 84.885912][ T5566] el0t_64_sync_handler+0xcc/0xe4 [ 84.886609][ T5566] el0t_64_sync+0x1a0/0x1a4 [ 84.887255][ T5566] irq event stamp: 79062 [ 84.887825][ T5566] hardirqs last enabled at (79061): [] __up_console_sem+0xb4/0x100 [ 84.889268][ T5566] hardirqs last disabled at (79062): [] el1_dbg+0x24/0x80 [ 84.890529][ T5566] softirqs last enabled at (78924): [] local_bh_enable+0x10/0x34 [ 84.891892][ T5566] softirqs last disabled at (78922): [] local_bh_disable+0x10/0x34 [ 84.893196][ T5566] ---[ end trace 76a625aa17cce7ac ]--- [ 84.896459][ T5566] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 84.898034][ T5566] BTRFS info (device loop0): forced readonly [ 84.899097][ T5566] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 84.900770][ T5566] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 84.902369][ T5566] BTRFS info (device loop0): balance: ended with status: -30 [ 85.037069][ T5588] loop0: detected capacity change from 0 to 32768 [ 85.128455][ T5588] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.45 (5588) [ 85.131572][ T5588] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 85.132869][ T5588] BTRFS info (device loop0): using free space tree [ 85.133835][ T5588] BTRFS info (device loop0): has skinny extents [ 85.141451][ T5588] BTRFS info (device loop0): enabling ssd optimizations [ 85.146162][ T5588] BTRFS info (device loop0): balance: start -s [ 85.147878][ T5588] ------------[ cut here ]------------ [ 85.148841][ T5588] WARNING: CPU: 0 PID: 5588 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0x9e8/0xca8 [ 85.150512][ T5588] Modules linked in: [ 85.151104][ T5588] CPU: 0 PID: 5588 Comm: syz.0.45 Tainted: G W syzkaller #0 [ 85.152404][ T5588] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.153893][ T5588] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 85.155061][ T5588] pc : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 85.156090][ T5588] lr : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 85.157098][ T5588] sp : ffff800021817540 [ 85.157850][ T5588] x29: ffff800021817710 x28: ffff0000c8615058 x27: ffff0000dea25950 [ 85.159215][ T5588] x26: ffff0000dea25948 x25: ffff0000c8615050 x24: dfff800000000000 [ 85.160566][ T5588] x23: ffff0000c86151b0 x22: 1fffe000190c2a0b x21: 1fffe000190c2a0a [ 85.161868][ T5588] x20: 00000000ffffffe4 x19: ffff0000d83b19d0 x18: 0000000000000001 [ 85.163221][ T5588] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 85.164616][ T5588] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 85.165929][ T5588] x11: 0000000000000000 x10: 0000000000000000 x9 : b3caf83cf8803f00 [ 85.167211][ T5588] x8 : b3caf83cf8803f00 x7 : 0000000000000001 x6 : 0000000000000001 [ 85.168461][ T5588] x5 : ffff800021816e38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 85.169778][ T5588] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 85.170967][ T5588] Call trace: [ 85.171489][ T5588] btrfs_create_pending_block_groups+0x9e8/0xca8 [ 85.172415][ T5588] __btrfs_end_transaction+0x13c/0x608 [ 85.173222][ T5588] btrfs_end_transaction+0x24/0x34 [ 85.174001][ T5588] btrfs_inc_block_group_ro+0x4ec/0x558 [ 85.174876][ T5588] btrfs_relocate_block_group+0x2b8/0x8a4 [ 85.175750][ T5588] btrfs_relocate_chunk+0xb8/0x280 [ 85.176527][ T5588] __btrfs_balance+0x1170/0x1ba4 [ 85.177245][ T5588] btrfs_balance+0xac4/0x1138 [ 85.177960][ T5588] btrfs_ioctl_balance+0x4cc/0x658 [ 85.178792][ T5588] btrfs_ioctl+0x8d0/0xb38 [ 85.179509][ T5588] __arm64_sys_ioctl+0x14c/0x1c8 [ 85.180264][ T5588] invoke_syscall+0x98/0x2b8 [ 85.180915][ T5588] el0_svc_common+0x138/0x258 [ 85.181620][ T5588] do_el0_svc+0x58/0x14c [ 85.182332][ T5588] el0_svc+0x78/0x1e0 [ 85.182889][ T5588] el0t_64_sync_handler+0xcc/0xe4 [ 85.183595][ T5588] el0t_64_sync+0x1a0/0x1a4 [ 85.184187][ T5588] irq event stamp: 79088 [ 85.184825][ T5588] hardirqs last enabled at (79087): [] __up_console_sem+0xb4/0x100 [ 85.186276][ T5588] hardirqs last disabled at (79088): [] el1_dbg+0x24/0x80 [ 85.187549][ T5588] softirqs last enabled at (79002): [] handle_softirqs+0xa4c/0xbf0 [ 85.188916][ T5588] softirqs last disabled at (78971): [] __irq_exit_rcu+0x240/0x440 [ 85.190385][ T5588] ---[ end trace 76a625aa17cce7ad ]--- [ 85.193392][ T5588] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 85.195079][ T5588] BTRFS info (device loop0): forced readonly [ 85.196015][ T5588] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 85.198003][ T5588] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 85.199754][ T5588] BTRFS info (device loop0): balance: ended with status: -30 [ 85.335590][ T5610] loop0: detected capacity change from 0 to 32768 [ 85.342926][ T5610] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.46 (5610) [ 85.346884][ T5610] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 85.348895][ T5610] BTRFS info (device loop0): using free space tree [ 85.349925][ T5610] BTRFS info (device loop0): has skinny extents [ 85.362136][ T5610] BTRFS info (device loop0): enabling ssd optimizations [ 85.366499][ T5610] BTRFS info (device loop0): balance: start -s [ 85.368153][ T5610] ------------[ cut here ]------------ [ 85.369113][ T5610] WARNING: CPU: 0 PID: 5610 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0x9e8/0xca8 [ 85.370840][ T5610] Modules linked in: [ 85.371397][ T5610] CPU: 0 PID: 5610 Comm: syz.0.46 Tainted: G W syzkaller #0 [ 85.372709][ T5610] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.374255][ T5610] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 85.375449][ T5610] pc : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 85.376409][ T5610] lr : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 85.377411][ T5610] sp : ffff800021f97540 [ 85.378106][ T5610] x29: ffff800021f97710 x28: ffff0000da0c8858 x27: ffff0000dea25c10 [ 85.379264][ T5610] x26: ffff0000dea25c08 x25: ffff0000da0c8850 x24: dfff800000000000 [ 85.380537][ T5610] x23: ffff0000da0c89b0 x22: 1fffe0001b41910b x21: 1fffe0001b41910a [ 85.381826][ T5610] x20: 00000000ffffffe4 x19: ffff0000eced19d0 x18: 0000000000000001 [ 85.383042][ T5610] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 85.384217][ T5610] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 85.385389][ T5610] x11: 0000000000000000 x10: 0000000000000000 x9 : c66929f038278500 [ 85.386510][ T5610] x8 : c66929f038278500 x7 : 0000000000000001 x6 : 0000000000000001 [ 85.387648][ T5610] x5 : ffff800021f96e38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 85.388757][ T5610] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 85.389864][ T5610] Call trace: [ 85.390305][ T5610] btrfs_create_pending_block_groups+0x9e8/0xca8 [ 85.391213][ T5610] __btrfs_end_transaction+0x13c/0x608 [ 85.391943][ T5610] btrfs_end_transaction+0x24/0x34 [ 85.392667][ T5610] btrfs_inc_block_group_ro+0x4ec/0x558 [ 85.393406][ T5610] btrfs_relocate_block_group+0x2b8/0x8a4 [ 85.394264][ T5610] btrfs_relocate_chunk+0xb8/0x280 [ 85.394970][ T5610] __btrfs_balance+0x1170/0x1ba4 [ 85.395963][ T5610] btrfs_balance+0xac4/0x1138 [ 85.396671][ T5610] btrfs_ioctl_balance+0x4cc/0x658 [ 85.397491][ T5610] btrfs_ioctl+0x8d0/0xb38 [ 85.398190][ T5610] __arm64_sys_ioctl+0x14c/0x1c8 [ 85.399008][ T5610] invoke_syscall+0x98/0x2b8 [ 85.399729][ T5610] el0_svc_common+0x138/0x258 [ 85.400526][ T5610] do_el0_svc+0x58/0x14c [ 85.401224][ T5610] el0_svc+0x78/0x1e0 [ 85.401808][ T5610] el0t_64_sync_handler+0xcc/0xe4 [ 85.402554][ T5610] el0t_64_sync+0x1a0/0x1a4 [ 85.403240][ T5610] irq event stamp: 79482 [ 85.403847][ T5610] hardirqs last enabled at (79481): [] __up_console_sem+0xb4/0x100 [ 85.405205][ T5610] hardirqs last disabled at (79482): [] el1_dbg+0x24/0x80 [ 85.406435][ T5610] softirqs last enabled at (79384): [] handle_softirqs+0xa4c/0xbf0 [ 85.407863][ T5610] softirqs last disabled at (79329): [] __irq_exit_rcu+0x240/0x440 [ 85.409194][ T5610] ---[ end trace 76a625aa17cce7ae ]--- [ 85.412166][ T5610] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 85.413727][ T5610] BTRFS info (device loop0): forced readonly [ 85.414809][ T5610] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 85.416365][ T5610] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 85.418559][ T5610] BTRFS info (device loop0): balance: ended with status: -30 [ 85.624672][ T5632] loop0: detected capacity change from 0 to 32768 [ 85.670018][ T5632] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.47 (5632) [ 85.675850][ T5632] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 85.677351][ T5632] BTRFS info (device loop0): using free space tree [ 85.689510][ T5632] ------------[ cut here ]------------ [ 85.690540][ T5632] WARNING: CPU: 1 PID: 5632 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0x9e8/0xca8 [ 85.692136][ T5632] Modules linked in: [ 85.692679][ T5632] CPU: 1 PID: 5632 Comm: syz.0.47 Tainted: G W syzkaller #0 [ 85.693859][ T5632] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.695572][ T5632] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 85.696840][ T5632] pc : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 85.697861][ T5632] lr : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 85.698950][ T5632] sp : ffff800022567540 [ 85.699583][ T5632] x29: ffff800022567710 x28: ffff0000d3ff5858 x27: ffff0000deb3e270 [ 85.700830][ T5632] x26: ffff0000deb3e268 x25: ffff0000d3ff5850 x24: dfff800000000000 [ 85.702038][ T5632] x23: ffff0000d3ff59b0 x22: 1fffe0001a7feb0b x21: 1fffe0001a7feb0a [ 85.703298][ T5632] x20: 00000000ffffffe4 x19: ffff0000eced19d0 x18: 0000000000000001 [ 85.704583][ T5632] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 85.705857][ T5632] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 85.707283][ T5632] x11: 0000000000000000 x10: 0000000000000000 x9 : 374eed6df391a200 [ 85.708636][ T5632] x8 : 374eed6df391a200 x7 : 0000000000000001 x6 : 0000000000000001 [ 85.709950][ T5632] x5 : ffff800022566e38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 85.711250][ T5632] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 85.712470][ T5632] Call trace: [ 85.712971][ T5632] btrfs_create_pending_block_groups+0x9e8/0xca8 [ 85.713861][ T5632] __btrfs_end_transaction+0x13c/0x608 [ 85.714644][ T5632] btrfs_end_transaction+0x24/0x34 [ 85.715374][ T5632] btrfs_inc_block_group_ro+0x4ec/0x558 [ 85.716165][ T5632] btrfs_relocate_block_group+0x2b8/0x8a4 [ 85.717003][ T5632] btrfs_relocate_chunk+0xb8/0x280 [ 85.717706][ T5632] __btrfs_balance+0x1170/0x1ba4 [ 85.718374][ T5632] btrfs_balance+0xac4/0x1138 [ 85.719049][ T5632] btrfs_ioctl_balance+0x4cc/0x658 [ 85.719763][ T5632] btrfs_ioctl+0x8d0/0xb38 [ 85.720393][ T5632] __arm64_sys_ioctl+0x14c/0x1c8 [ 85.721083][ T5632] invoke_syscall+0x98/0x2b8 [ 85.721692][ T5632] el0_svc_common+0x138/0x258 [ 85.722312][ T5632] do_el0_svc+0x58/0x14c [ 85.722878][ T5632] el0_svc+0x78/0x1e0 [ 85.723409][ T5632] el0t_64_sync_handler+0xcc/0xe4 [ 85.724066][ T5632] el0t_64_sync+0x1a0/0x1a4 [ 85.724665][ T5632] irq event stamp: 79040 [ 85.725285][ T5632] hardirqs last enabled at (79039): [] __up_console_sem+0xb4/0x100 [ 85.726575][ T5632] hardirqs last disabled at (79040): [] el1_dbg+0x24/0x80 [ 85.727741][ T5632] softirqs last enabled at (78914): [] local_bh_enable+0x10/0x34 [ 85.729024][ T5632] softirqs last disabled at (78912): [] local_bh_disable+0x10/0x34 [ 85.730327][ T5632] ---[ end trace 76a625aa17cce7af ]--- [ 85.735486][ T5632] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 85.737184][ T5632] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 85.738730][ T5632] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 85.874663][ T5654] loop0: detected capacity change from 0 to 32768 [ 85.911231][ T5654] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.48 (5654) [ 85.938450][ T5654] ------------[ cut here ]------------ [ 85.939550][ T5654] WARNING: CPU: 1 PID: 5654 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0x9e8/0xca8 [ 85.941215][ T5654] Modules linked in: [ 85.941837][ T5654] CPU: 1 PID: 5654 Comm: syz.0.48 Tainted: G W syzkaller #0 [ 85.943149][ T5654] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.944622][ T5654] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 85.945794][ T5654] pc : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 85.946700][ T5654] lr : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 85.947647][ T5654] sp : ffff800022ca7540 [ 85.948225][ T5654] x29: ffff800022ca7710 x28: ffff0000d5cdb058 x27: ffff0000deb3e690 [ 85.949411][ T5654] x26: ffff0000deb3e688 x25: ffff0000d5cdb050 x24: dfff800000000000 [ 85.950743][ T5654] x23: ffff0000d5cdb1b0 x22: 1fffe0001ab9b60b x21: 1fffe0001ab9b60a [ 85.951982][ T5654] x20: 00000000ffffffe4 x19: ffff0000d79619d0 x18: 0000000000000001 [ 85.953161][ T5654] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 85.954362][ T5654] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 85.955612][ T5654] x11: 0000000000000000 x10: 0000000000000000 x9 : d69a264341c2fb00 [ 85.956832][ T5654] x8 : d69a264341c2fb00 x7 : 0000000000000001 x6 : 0000000000000001 [ 85.958021][ T5654] x5 : ffff800022ca6e38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 85.959293][ T5654] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 85.960506][ T5654] Call trace: [ 85.960984][ T5654] btrfs_create_pending_block_groups+0x9e8/0xca8 [ 85.961930][ T5654] __btrfs_end_transaction+0x13c/0x608 [ 85.962812][ T5654] btrfs_end_transaction+0x24/0x34 [ 85.963633][ T5654] btrfs_inc_block_group_ro+0x4ec/0x558 [ 85.964415][ T5654] btrfs_relocate_block_group+0x2b8/0x8a4 [ 85.965257][ T5654] btrfs_relocate_chunk+0xb8/0x280 [ 85.965988][ T5654] __btrfs_balance+0x1170/0x1ba4 [ 85.966792][ T5654] btrfs_balance+0xac4/0x1138 [ 85.967477][ T5654] btrfs_ioctl_balance+0x4cc/0x658 [ 85.968329][ T5654] btrfs_ioctl+0x8d0/0xb38 [ 85.969010][ T5654] __arm64_sys_ioctl+0x14c/0x1c8 [ 85.969735][ T5654] invoke_syscall+0x98/0x2b8 [ 85.970369][ T5654] el0_svc_common+0x138/0x258 [ 85.971098][ T5654] do_el0_svc+0x58/0x14c [ 85.971770][ T5654] el0_svc+0x78/0x1e0 [ 85.972340][ T5654] el0t_64_sync_handler+0xcc/0xe4 [ 85.973043][ T5654] el0t_64_sync+0x1a0/0x1a4 [ 85.973728][ T5654] irq event stamp: 79656 [ 85.974290][ T5654] hardirqs last enabled at (79655): [] __up_console_sem+0xb4/0x100 [ 85.975575][ T5654] hardirqs last disabled at (79656): [] el1_dbg+0x24/0x80 [ 85.976790][ T5654] softirqs last enabled at (79542): [] local_bh_enable+0x10/0x34 [ 85.978152][ T5654] softirqs last disabled at (79540): [] local_bh_disable+0x10/0x34 [ 85.979625][ T5654] ---[ end trace 76a625aa17cce7b0 ]--- [ 85.981130][ T5654] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 85.982744][ T5654] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 85.984338][ T5654] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 86.124688][ T5676] loop0: detected capacity change from 0 to 32768 [ 86.132246][ T5676] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.49 (5676) [ 86.146264][ T5676] ------------[ cut here ]------------ [ 86.147372][ T5676] WARNING: CPU: 0 PID: 5676 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0x9e8/0xca8 [ 86.148919][ T5676] Modules linked in: [ 86.149464][ T5676] CPU: 0 PID: 5676 Comm: syz.0.49 Tainted: G W syzkaller #0 [ 86.150634][ T5676] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.152023][ T5676] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 86.153149][ T5676] pc : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 86.154044][ T5676] lr : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 86.155054][ T5676] sp : ffff800022db7540 [ 86.155623][ T5676] x29: ffff800022db7710 x28: ffff0000d809b058 x27: ffff0000dea25d70 [ 86.156756][ T5676] x26: ffff0000dea25d68 x25: ffff0000d809b050 x24: dfff800000000000 [ 86.157909][ T5676] x23: ffff0000d809b1b0 x22: 1fffe0001b01360b x21: 1fffe0001b01360a [ 86.159088][ T5676] x20: 00000000ffffffe4 x19: ffff0000c842d9d0 x18: 0000000000000001 [ 86.160299][ T5676] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 86.161485][ T5676] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 86.162617][ T5676] x11: 0000000000000000 x10: 0000000000000000 x9 : fc78f4e4e2edfe00 [ 86.163762][ T5676] x8 : fc78f4e4e2edfe00 x7 : 0000000000000001 x6 : 0000000000000001 [ 86.164845][ T5676] x5 : ffff800022db6e38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 86.165905][ T5676] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 86.166998][ T5676] Call trace: [ 86.167462][ T5676] btrfs_create_pending_block_groups+0x9e8/0xca8 [ 86.168348][ T5676] __btrfs_end_transaction+0x13c/0x608 [ 86.169102][ T5676] btrfs_end_transaction+0x24/0x34 [ 86.169788][ T5676] btrfs_inc_block_group_ro+0x4ec/0x558 [ 86.170496][ T5676] btrfs_relocate_block_group+0x2b8/0x8a4 [ 86.171354][ T5676] btrfs_relocate_chunk+0xb8/0x280 [ 86.172050][ T5676] __btrfs_balance+0x1170/0x1ba4 [ 86.172775][ T5676] btrfs_balance+0xac4/0x1138 [ 86.173450][ T5676] btrfs_ioctl_balance+0x4cc/0x658 [ 86.174164][ T5676] btrfs_ioctl+0x8d0/0xb38 [ 86.174770][ T5676] __arm64_sys_ioctl+0x14c/0x1c8 [ 86.175427][ T5676] invoke_syscall+0x98/0x2b8 [ 86.176087][ T5676] el0_svc_common+0x138/0x258 [ 86.176748][ T5676] do_el0_svc+0x58/0x14c [ 86.177372][ T5676] el0_svc+0x78/0x1e0 [ 86.177979][ T5676] el0t_64_sync_handler+0xcc/0xe4 [ 86.178682][ T5676] el0t_64_sync+0x1a0/0x1a4 [ 86.179330][ T5676] irq event stamp: 79356 [ 86.179902][ T5676] hardirqs last enabled at (79355): [] __up_console_sem+0xb4/0x100 [ 86.181271][ T5676] hardirqs last disabled at (79356): [] el1_dbg+0x24/0x80 [ 86.182527][ T5676] softirqs last enabled at (79346): [] handle_softirqs+0xa4c/0xbf0 [ 86.183905][ T5676] softirqs last disabled at (79323): [] __irq_exit_rcu+0x240/0x440 [ 86.185145][ T5676] ---[ end trace 76a625aa17cce7b1 ]--- [ 86.188326][ T5676] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 86.189788][ T5676] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 86.191314][ T5676] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 86.326006][ T5698] loop0: detected capacity change from 0 to 32768 [ 86.369869][ T5698] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.50 (5698) [ 86.388749][ T5698] ------------[ cut here ]------------ [ 86.389777][ T5698] WARNING: CPU: 1 PID: 5698 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0x9e8/0xca8 [ 86.391407][ T5698] Modules linked in: [ 86.391991][ T5698] CPU: 1 PID: 5698 Comm: syz.0.50 Tainted: G W syzkaller #0 [ 86.393241][ T5698] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.394575][ T5698] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 86.395637][ T5698] pc : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 86.396533][ T5698] lr : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 86.397447][ T5698] sp : ffff800022ca7540 [ 86.398029][ T5698] x29: ffff800022ca7710 x28: ffff0000d5fe9058 x27: ffff0000deb3e740 [ 86.399294][ T5698] x26: ffff0000deb3e738 x25: ffff0000d5fe9050 x24: dfff800000000000 [ 86.400547][ T5698] x23: ffff0000d5fe91b0 x22: 1fffe0001abfd20b x21: 1fffe0001abfd20a [ 86.401771][ T5698] x20: 00000000ffffffe4 x19: ffff0000e7d599d0 x18: 0000000000000001 [ 86.403015][ T5698] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 86.404207][ T5698] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 86.405337][ T5698] x11: 0000000000000000 x10: 0000000000000000 x9 : e03431e655f34600 [ 86.406470][ T5698] x8 : e03431e655f34600 x7 : 0000000000000001 x6 : 0000000000000001 [ 86.407665][ T5698] x5 : ffff800022ca6e38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 86.408872][ T5698] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 86.410118][ T5698] Call trace: [ 86.410610][ T5698] btrfs_create_pending_block_groups+0x9e8/0xca8 [ 86.411729][ T5698] __btrfs_end_transaction+0x13c/0x608 [ 86.412617][ T5698] btrfs_end_transaction+0x24/0x34 [ 86.413526][ T5698] btrfs_inc_block_group_ro+0x4ec/0x558 [ 86.414447][ T5698] btrfs_relocate_block_group+0x2b8/0x8a4 [ 86.415300][ T5698] btrfs_relocate_chunk+0xb8/0x280 [ 86.416079][ T5698] __btrfs_balance+0x1170/0x1ba4 [ 86.416816][ T5698] btrfs_balance+0xac4/0x1138 [ 86.417523][ T5698] btrfs_ioctl_balance+0x4cc/0x658 [ 86.418323][ T5698] btrfs_ioctl+0x8d0/0xb38 [ 86.418971][ T5698] __arm64_sys_ioctl+0x14c/0x1c8 [ 86.419786][ T5698] invoke_syscall+0x98/0x2b8 [ 86.420501][ T5698] el0_svc_common+0x138/0x258 [ 86.421157][ T5698] do_el0_svc+0x58/0x14c [ 86.421832][ T5698] el0_svc+0x78/0x1e0 [ 86.422451][ T5698] el0t_64_sync_handler+0xcc/0xe4 [ 86.423243][ T5698] el0t_64_sync+0x1a0/0x1a4 [ 86.423940][ T5698] irq event stamp: 79018 [ 86.424632][ T5698] hardirqs last enabled at (79017): [] __up_console_sem+0xb4/0x100 [ 86.426101][ T5698] hardirqs last disabled at (79018): [] el1_dbg+0x24/0x80 [ 86.427333][ T5698] softirqs last enabled at (78904): [] local_bh_enable+0x10/0x34 [ 86.428751][ T5698] softirqs last disabled at (78902): [] local_bh_disable+0x10/0x34 [ 86.430165][ T5698] ---[ end trace 76a625aa17cce7b2 ]--- [ 86.433697][ T5698] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 86.435291][ T5698] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 86.436881][ T5698] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 86.573969][ T5720] loop0: detected capacity change from 0 to 32768 [ 86.581740][ T5720] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.51 (5720) [ 86.616048][ T5720] ------------[ cut here ]------------ [ 86.617467][ T5720] WARNING: CPU: 1 PID: 5720 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0x9e8/0xca8 [ 86.619131][ T5720] Modules linked in: [ 86.619718][ T5720] CPU: 1 PID: 5720 Comm: syz.0.51 Tainted: G W syzkaller #0 [ 86.620946][ T5720] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.622300][ T5720] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 86.623438][ T5720] pc : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 86.624324][ T5720] lr : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 86.625315][ T5720] sp : ffff800022ca7540 [ 86.625857][ T5720] x29: ffff800022ca7710 x28: ffff0000dbea5858 x27: ffff0000deb3e8a0 [ 86.627011][ T5720] x26: ffff0000deb3e898 x25: ffff0000dbea5850 x24: dfff800000000000 [ 86.628183][ T5720] x23: ffff0000dbea59b0 x22: 1fffe0001b7d4b0b x21: 1fffe0001b7d4b0a [ 86.629392][ T5720] x20: 00000000ffffffe4 x19: ffff0000d67b59d0 x18: 0000000000000001 [ 86.630700][ T5720] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 86.631901][ T5720] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 86.633078][ T5720] x11: 0000000000000000 x10: 0000000000000000 x9 : 99523ce68a433400 [ 86.634243][ T5720] x8 : 99523ce68a433400 x7 : 0000000000000001 x6 : 0000000000000001 [ 86.635380][ T5720] x5 : ffff800022ca6e38 x4 : ffff8000141ff5a0 x3 : ffff80000a728d0c [ 86.636494][ T5720] x2 : ffff0001a1152d50 x1 : 0000000100000000 x0 : 0000000000000026 [ 86.637623][ T5720] Call trace: [ 86.638086][ T5720] btrfs_create_pending_block_groups+0x9e8/0xca8 [ 86.638986][ T5720] __btrfs_end_transaction+0x13c/0x608 [ 86.639735][ T5720] btrfs_end_transaction+0x24/0x34 [ 86.640444][ T5720] btrfs_inc_block_group_ro+0x4ec/0x558 [ 86.641198][ T5720] btrfs_relocate_block_group+0x2b8/0x8a4 [ 86.641990][ T5720] btrfs_relocate_chunk+0xb8/0x280 [ 86.642703][ T5720] __btrfs_balance+0x1170/0x1ba4 [ 86.643385][ T5720] btrfs_balance+0xac4/0x1138 [ 86.644063][ T5720] btrfs_ioctl_balance+0x4cc/0x658 [ 86.644784][ T5720] btrfs_ioctl+0x8d0/0xb38 [ 86.645425][ T5720] __arm64_sys_ioctl+0x14c/0x1c8 [ 86.646181][ T5720] invoke_syscall+0x98/0x2b8 [ 86.646845][ T5720] el0_svc_common+0x138/0x258 [ 86.647494][ T5720] do_el0_svc+0x58/0x14c [ 86.648153][ T5720] el0_svc+0x78/0x1e0 [ 86.648713][ T5720] el0t_64_sync_handler+0xcc/0xe4 [ 86.649406][ T5720] el0t_64_sync+0x1a0/0x1a4 [ 86.650017][ T5720] irq event stamp: 79276 [ 86.650633][ T5720] hardirqs last enabled at (79275): [] __up_console_sem+0xb4/0x100 [ 86.652030][ T5720] hardirqs last disabled at (79276): [] el1_dbg+0x24/0x80 [ 86.653478][ T5720] softirqs last enabled at (79266): [] handle_softirqs+0xa4c/0xbf0 [ 86.655102][ T5720] softirqs last disabled at (79249): [] __irq_exit_rcu+0x240/0x440 [ 86.656680][ T5720] ---[ end trace 76a625aa17cce7b3 ]--- [ 86.660384][ T5720] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 86.662029][ T5720] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 86.663637][ T5720] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 86.798861][ T5742] loop0: detected capacity change from 0 to 32768 [ 86.806214][ T5742] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.52 (5742) [ 86.830449][ T5742] ------------[ cut here ]------------ [ 86.831577][ T5742] WARNING: CPU: 1 PID: 5742 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0x9e8/0xca8 [ 86.833163][ T5742] Modules linked in: [ 86.833683][ T5742] CPU: 1 PID: 5742 Comm: syz.0.52 Tainted: G W syzkaller #0 [ 86.834951][ T5742] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.836430][ T5742] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 86.837699][ T5742] pc : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 86.838732][ T5742] lr : btrfs_create_pending_block_groups+0x9e8/0xca8 [ 86.839730][ T5742] sp : ffff800023177540 [ 86.840382][ T5742] x29: ffff800023177710 x28: ffff0000d5a06858 x27: ffff0000deb3eab0 [ 86.841587][ T5742] x26: ffff0000deb3eaa8 x25: ffff0000d5a06850 x24: dfff800000000000 [ 86.842768][ T5742] x23: ffff0000d5a069b0 x22: 1fffe0001ab40d0b x21: 1fffe0001ab40d0a [ 86.843944][ T5742] x20: 00000000ffffffe4 x19: ffff0000d67b59d0 x18: 0000000000000001 [ 86.845187][ T5742] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 86.846404][ T5742] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 86.847681][ T5742] x11: 0000000000000000 x10: 0000000000000000 x9 : a99bc51e5d8b6a00 [ 86.848897][ T5742] x8 : a99bc51e5d8b6a00 x7 : 0000000000000001 x6 : 0000000000000001 [ 86.850081][ T5742] x5 : ffff800023176e38 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 86.851190][ T5742] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 86.852378][ T5742] Call trace: [ 86.852902][ T5742] btrfs_create_pending_block_groups+0x9e8/0xca8 [ 86.853815][ T5742] __btrfs_end_transaction+0x13c/0x608 [ 86.854572][ T5742] btrfs_end_transaction+0x24/0x34 [ 86.855297][ T5742] btrfs_inc_block_group_ro+0x4ec/0x558 [ 86.856054][ T5742] btrfs_relocate_block_group+0x2b8/0x8a4 [ 86.856857][ T5742] btrfs_relocate_chunk+0xb8/0x280 [ 86.857602][ T5742] __btrfs_balance+0x1170/0x1ba4 [ 86.858284][ T5742] btrfs_balance+0xac4/0x1138 [ 86.859146][ T5742] btrfs_ioctl_balance+0x4cc/0x658 [ 86.859911][ T5742] btrfs_ioctl+0x8d0/0xb38 [ 86.860577][ T5742] __arm64_sys_ioctl+0x14c/0x1c8 [ 86.861318][ T5742] invoke_syscall+0x98/0x2b8 [ 86.862032][ T5742] el0_svc_common+0x138/0x258 [ 86.862732][ T5742] do_el0_svc+0x58/0x14c [ 86.863322][ T5742] el0_svc+0x78/0x1e0 [ 86.863880][ T5742] el0t_64_sync_handler+0xcc/0xe4 [ 86.864539][ T5742] el0t_64_sync+0x1a0/0x1a4 [ 86.865179][ T5742] irq event stamp: 79058 [ 86.865776][ T5742] hardirqs last enabled at (79057): [] __up_console_sem+0xb4/0x100 [ 86.867124][ T5742] hardirqs last disabled at (79058): [] el1_dbg+0x24/0x80 [ 86.868342][ T5742] softirqs last enabled at (78930): [] local_bh_enable+0x10/0x34 [ 86.869654][ T5742] softirqs last disabled at (78928): [] local_bh_disable+0x10/0x34 [ 86.871118][ T5742] ---[ end trace 76a625aa17cce7b4 ]--- [ 86.874569][ T5742] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 86.876168][ T5742] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 86.879148][ T5742] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left