Warning: Permanently added '10.128.1.211' (ED25519) to the list of known hosts. 1970/01/01 00:01:02 parsed 1 programs [ 63.633511][ T4557] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 66.533370][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 66.534788][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 66.536893][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 66.545913][ T372] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 66.547194][ T372] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 66.548630][ T372] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 67.101434][ T4635] chnl_net:caif_netlink_parms(): no params data found [ 67.122651][ T4635] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.123877][ T4635] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.125546][ T4635] device bridge_slave_0 entered promiscuous mode [ 67.127619][ T4635] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.128769][ T4635] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.130510][ T4635] device bridge_slave_1 entered promiscuous mode [ 67.140971][ T4635] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.144455][ T4635] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.153731][ T4635] team0: Port device team_slave_0 added [ 67.155703][ T4635] team0: Port device team_slave_1 added [ 67.164665][ T4635] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 67.165688][ T4635] 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. [ 67.169877][ T4635] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 67.172369][ T4635] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 67.173423][ T4635] 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. [ 67.177197][ T4635] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 67.223104][ T4635] device hsr_slave_0 entered promiscuous mode [ 67.271904][ T4635] device hsr_slave_1 entered promiscuous mode [ 67.914328][ T4635] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 67.943503][ T4635] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 67.983109][ T4635] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 68.013865][ T4635] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 68.077561][ T4635] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.083296][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.084859][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.087687][ T4635] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.090164][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.092617][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.094169][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.095246][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.098102][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.111401][ T4635] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 68.114203][ T4635] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 68.116779][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.118645][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.120179][ T1643] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.121340][ T1643] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.123503][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.125139][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.126729][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.128835][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.130370][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.133111][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.134656][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.136220][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.137767][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.140752][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.146919][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.148401][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.190224][ T4635] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.192430][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.193672][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 68.202874][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 68.204604][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 68.211480][ T4635] device veth0_vlan entered promiscuous mode [ 68.213386][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 68.214927][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 68.217998][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 68.219819][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 68.223727][ T4635] device veth1_vlan entered promiscuous mode [ 68.231541][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 68.233637][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 68.235765][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 68.237376][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 68.240685][ T4635] device veth0_macvtap entered promiscuous mode [ 68.245948][ T4635] device veth1_macvtap entered promiscuous mode [ 68.252471][ T4635] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 68.253992][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 68.255539][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 68.256991][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 68.258469][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 68.264191][ T4635] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 68.265411][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 68.267002][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 68.270026][ T4635] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.271441][ T4635] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.273398][ T4635] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.274858][ T4635] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:01:08 executed programs: 0 [ 68.418186][ T4755] chnl_net:caif_netlink_parms(): no params data found [ 68.440839][ T4755] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.442539][ T4755] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.444045][ T4755] device bridge_slave_0 entered promiscuous mode [ 68.446978][ T4755] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.448220][ T4755] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.449703][ T4755] device bridge_slave_1 entered promiscuous mode [ 68.461853][ T4755] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.464390][ T4755] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.473741][ T4755] team0: Port device team_slave_0 added [ 68.475851][ T4755] team0: Port device team_slave_1 added [ 68.484645][ T4755] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 68.485794][ T4755] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 68.489877][ T4755] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 68.494073][ T4755] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 68.495060][ T4755] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 68.498848][ T4755] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 68.553470][ T4755] device hsr_slave_0 entered promiscuous mode [ 68.582299][ T4755] device hsr_slave_1 entered promiscuous mode [ 68.621940][ T4755] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.623144][ T4755] Cannot create hsr debugfs directory [ 68.658484][ T4755] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 69.622705][ T3339] cfg80211: failed to load regulatory.db [ 69.632937][ T2063] ieee802154 phy0 wpan0: encryption failed: -22 [ 69.634064][ T2063] ieee802154 phy1 wpan1: encryption failed: -22 [ 70.432163][ T25] Bluetooth: hci0: command 0x0409 tx timeout [ 71.126037][ T4755] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 72.501675][ T25] Bluetooth: hci0: command 0x041b tx timeout [ 73.508993][ T4755] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 73.607654][ T4755] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 73.769052][ T4755] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 73.834915][ T4755] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 73.873070][ T4755] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 73.912963][ T4755] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 73.990819][ T4755] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.996507][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 73.998020][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.001045][ T4755] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.006155][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 74.007771][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.009152][ T1643] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.010267][ T1643] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.012173][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 74.016115][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 74.017685][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 74.019184][ T1643] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.020380][ T1643] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.029408][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 74.031151][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 74.033200][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 74.034938][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 74.036443][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 74.038155][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 74.040716][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 74.042537][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 74.044023][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 74.048085][ T4755] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 74.050051][ T4755] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 74.051476][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 74.054673][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 74.374714][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 74.376044][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 74.379272][ T4755] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 74.386338][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 74.387962][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 74.395082][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 74.396746][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 74.398317][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 74.399733][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 74.402326][ T4755] device veth0_vlan entered promiscuous mode [ 74.406206][ T4755] device veth1_vlan entered promiscuous mode [ 74.418715][ T4755] device veth0_macvtap entered promiscuous mode [ 74.420402][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 74.422206][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 74.423679][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 74.425215][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 74.427807][ T4755] device veth1_macvtap entered promiscuous mode [ 74.430668][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 74.433266][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 74.437566][ T4755] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 74.439066][ T4755] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.441400][ T4755] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 74.443609][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 74.445200][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 74.447593][ T4755] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 74.449328][ T4755] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.451453][ T4755] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 74.455179][ T4755] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.456446][ T4755] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.457810][ T4755] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.459181][ T4755] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.461336][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 74.464500][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 74.494088][ T1643] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 74.495467][ T1643] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 74.496827][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 74.505394][ T1643] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 74.506672][ T1643] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 74.507945][ T1643] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:01:14 executed programs: 2 [ 74.582105][ T4129] Bluetooth: hci0: command 0x040f tx timeout [ 74.631099][ T5004] loop0: detected capacity change from 0 to 32768 [ 74.674585][ T5004] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.15 (5004) [ 74.680483][ T5004] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 74.682299][ T5004] BTRFS info (device loop0): metadata ratio 4 [ 74.683386][ T5004] BTRFS info (device loop0): setting incompat feature flag for COMPRESS_LZO (0x8) [ 74.684826][ T5004] BTRFS info (device loop0): force lzo compression, level 0 [ 74.686008][ T5004] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 74.687440][ T5004] BTRFS info (device loop0): trying to use backup root at mount time [ 74.688794][ T5004] BTRFS info (device loop0): enabling auto defrag [ 74.689843][ T5004] BTRFS info (device loop0): setting nodatacow [ 74.690912][ T5004] BTRFS info (device loop0): disabling tree log [ 74.692558][ T5004] BTRFS info (device loop0): using free space tree [ 74.693550][ T5004] BTRFS info (device loop0): has skinny extents [ 74.700963][ T9] BTRFS warning (device loop0): checksum verify failed on 5332992 wanted 0x0a5e5d25 found 0x26333c6f level 0 [ 74.703589][ T5004] BTRFS warning (device loop0): couldn't read tree root [ 74.704779][ T136] BTRFS warning (device loop0): checksum verify failed on 5324800 wanted 0x9f73850b found 0x78ca8373 level 0 [ 74.706608][ T5004] BTRFS warning (device loop0): couldn't read tree root [ 74.707843][ T5004] BTRFS error (device loop0): parent transid verify failed on 5255168 wanted 5 found 7 [ 74.709806][ T5004] BTRFS warning (device loop0): couldn't read tree root [ 74.722022][ T5004] BTRFS info (device loop0): enabling ssd optimizations [ 74.723776][ T5004] BTRFS info (device loop0): clearing free space tree [ 74.724961][ T5004] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 74.726564][ T5004] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 74.735641][ T5004] BTRFS info (device loop0): creating free space tree [ 74.737407][ T5004] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 74.738867][ T5004] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 74.751228][ T5004] FAULT_INJECTION: forcing a failure. [ 74.751228][ T5004] name failslab, interval 1, probability 0, space 0, times 1 [ 74.753927][ T5004] CPU: 0 PID: 5004 Comm: syz.0.15 Not tainted syzkaller #0 [ 74.754995][ T5004] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.756604][ T5004] Call trace: [ 74.757106][ T5004] dump_backtrace+0x0/0x458 [ 74.757783][ T5004] show_stack+0x2c/0x3c [ 74.758435][ T5004] __dump_stack+0x30/0x40 [ 74.759083][ T5004] dump_stack_lvl+0xf4/0x15c [ 74.759851][ T5004] dump_stack+0x1c/0x5c [ 74.760515][ T5004] should_fail+0x3bc/0x514 [ 74.761236][ T5004] __should_failslab+0xbc/0x10c [ 74.762079][ T5004] should_failslab+0x10/0x28 [ 74.762871][ T5004] slab_pre_alloc_hook+0x64/0xe8 [ 74.763740][ T5004] kmem_cache_alloc+0x94/0x3d4 [ 74.764528][ T5004] alloc_extent_state+0x38/0x42c [ 74.765298][ T5004] set_extent_bit+0x1b0/0x1378 [ 74.766086][ T5004] btrfs_alloc_tree_block+0x998/0x1130 [ 74.767006][ T5004] insert_new_root+0x244/0x8a4 [ 74.767783][ T5004] split_leaf+0xa44/0x1090 [ 74.768512][ T5004] btrfs_search_slot+0x1c1c/0x1f44 [ 74.769324][ T5004] btrfs_insert_empty_items+0x1d8/0x2a0 [ 74.770250][ T5004] insert_with_overflow+0xbc/0x248 [ 74.771003][ T5004] btrfs_insert_xattr_item+0x178/0x30c [ 74.771840][ T5004] btrfs_setxattr+0x3d8/0x8bc [ 74.772617][ T5004] btrfs_setxattr_trans+0xfc/0x354 [ 74.773496][ T5004] btrfs_xattr_handler_set+0xb0/0xd8 [ 74.774319][ T5004] __vfs_setxattr+0x384/0x3a0 [ 74.775088][ T5004] __vfs_setxattr_noperm+0x120/0x564 [ 74.775996][ T5004] __vfs_setxattr_locked+0x1ec/0x218 [ 74.776844][ T5004] vfs_setxattr+0x158/0x2ac [ 74.777625][ T5004] setxattr+0x278/0x2f8 [ 74.778328][ T5004] path_setxattr+0x130/0x260 [ 74.779093][ T5004] __arm64_sys_setxattr+0xbc/0xd8 [ 74.779996][ T5004] invoke_syscall+0x98/0x2b0 [ 74.780705][ T5004] el0_svc_common+0x138/0x258 [ 74.781472][ T5004] do_el0_svc+0x58/0x13c [ 74.782124][ T5004] el0_svc+0x78/0x1d0 [ 74.782789][ T5004] el0t_64_sync_handler+0xcc/0xe4 [ 74.783648][ T5004] el0t_64_sync+0x1a0/0x1a4 [ 74.949566][ T5026] loop0: detected capacity change from 0 to 32768 [ 74.983647][ T5026] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.16 (5026) [ 75.023907][ T5026] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 75.025359][ T5026] BTRFS info (device loop0): metadata ratio 4 [ 75.026428][ T5026] BTRFS info (device loop0): setting incompat feature flag for COMPRESS_LZO (0x8) [ 75.027858][ T5026] BTRFS info (device loop0): force lzo compression, level 0 [ 75.028944][ T5026] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 75.030574][ T5026] BTRFS info (device loop0): trying to use backup root at mount time [ 75.033729][ T5026] BTRFS info (device loop0): enabling auto defrag [ 75.034784][ T5026] BTRFS info (device loop0): setting nodatacow [ 75.035811][ T5026] BTRFS info (device loop0): disabling tree log [ 75.036790][ T5026] BTRFS info (device loop0): using free space tree [ 75.037799][ T5026] BTRFS info (device loop0): has skinny extents [ 75.044486][ T9] BTRFS warning (device loop0): checksum verify failed on 5332992 wanted 0x0a5e5d25 found 0x26333c6f level 0 [ 75.046374][ T5026] BTRFS warning (device loop0): couldn't read tree root [ 75.047580][ T9] BTRFS warning (device loop0): checksum verify failed on 5324800 wanted 0x9f73850b found 0x78ca8373 level 0 [ 75.049538][ T5026] BTRFS warning (device loop0): couldn't read tree root [ 75.050803][ T5026] BTRFS error (device loop0): parent transid verify failed on 5255168 wanted 5 found 7 [ 75.052524][ T5026] BTRFS warning (device loop0): couldn't read tree root [ 75.056875][ T5026] BTRFS info (device loop0): enabling ssd optimizations [ 75.058428][ T5026] BTRFS info (device loop0): clearing free space tree [ 75.059564][ T5026] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 75.061060][ T5026] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 75.066669][ T5026] BTRFS info (device loop0): creating free space tree [ 75.068051][ T5026] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 75.069671][ T5026] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 75.076569][ T5026] FAULT_INJECTION: forcing a failure. [ 75.076569][ T5026] name failslab, interval 1, probability 0, space 0, times 0 [ 75.078568][ T5026] CPU: 0 PID: 5026 Comm: syz.0.16 Not tainted syzkaller #0 [ 75.079741][ T5026] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 75.081345][ T5026] Call trace: [ 75.081872][ T5026] dump_backtrace+0x0/0x458 [ 75.082655][ T5026] show_stack+0x2c/0x3c [ 75.083380][ T5026] __dump_stack+0x30/0x40 [ 75.084121][ T5026] dump_stack_lvl+0xf4/0x15c [ 75.084864][ T5026] dump_stack+0x1c/0x5c [ 75.085538][ T5026] should_fail+0x3bc/0x514 [ 75.086268][ T5026] __should_failslab+0xbc/0x10c [ 75.087044][ T5026] should_failslab+0x10/0x28 [ 75.087838][ T5026] slab_pre_alloc_hook+0x64/0xe8 [ 75.088692][ T5026] kmem_cache_alloc+0x94/0x3d4 [ 75.089491][ T5026] alloc_extent_state+0x38/0x42c [ 75.090300][ T5026] set_extent_bit+0x1b0/0x1378 [ 75.091078][ T5026] btrfs_alloc_tree_block+0x998/0x1130 [ 75.091958][ T5026] insert_new_root+0x244/0x8a4 [ 75.092725][ T5026] split_leaf+0xa44/0x1090 [ 75.093454][ T5026] btrfs_search_slot+0x1c1c/0x1f44 [ 75.094277][ T5026] btrfs_insert_empty_items+0x1d8/0x2a0 [ 75.095236][ T5026] insert_with_overflow+0xbc/0x248 [ 75.096119][ T5026] btrfs_insert_xattr_item+0x178/0x30c [ 75.097024][ T5026] btrfs_setxattr+0x3d8/0x8bc [ 75.097777][ T5026] btrfs_setxattr_trans+0xfc/0x354 [ 75.098615][ T5026] btrfs_xattr_handler_set+0xb0/0xd8 [ 75.099495][ T5026] __vfs_setxattr+0x384/0x3a0 [ 75.100306][ T5026] __vfs_setxattr_noperm+0x120/0x564 [ 75.101246][ T5026] __vfs_setxattr_locked+0x1ec/0x218 [ 75.102077][ T5026] vfs_setxattr+0x158/0x2ac [ 75.102800][ T5026] setxattr+0x278/0x2f8 [ 75.103453][ T5026] path_setxattr+0x130/0x260 [ 75.104196][ T5026] __arm64_sys_setxattr+0xbc/0xd8 [ 75.105028][ T5026] invoke_syscall+0x98/0x2b0 [ 75.105759][ T5026] el0_svc_common+0x138/0x258 [ 75.106496][ T5026] do_el0_svc+0x58/0x13c [ 75.107266][ T5026] el0_svc+0x78/0x1d0 [ 75.107966][ T5026] el0t_64_sync_handler+0xcc/0xe4 [ 75.108787][ T5026] el0t_64_sync+0x1a0/0x1a4 [ 75.266197][ T5048] loop0: detected capacity change from 0 to 32768 [ 75.275553][ T5048] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.17 (5048) [ 75.280140][ T5048] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 75.281477][ T5048] BTRFS info (device loop0): metadata ratio 4 [ 75.282871][ T5048] BTRFS info (device loop0): setting incompat feature flag for COMPRESS_LZO (0x8) [ 75.284239][ T5048] BTRFS info (device loop0): force lzo compression, level 0 [ 75.285553][ T5048] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 75.287176][ T5048] BTRFS info (device loop0): trying to use backup root at mount time [ 75.288415][ T5048] BTRFS info (device loop0): enabling auto defrag [ 75.289438][ T5048] BTRFS info (device loop0): setting nodatacow [ 75.290382][ T5048] BTRFS info (device loop0): disabling tree log [ 75.291305][ T5048] BTRFS info (device loop0): using free space tree [ 75.292801][ T5048] BTRFS info (device loop0): has skinny extents [ 75.300474][ T9] BTRFS warning (device loop0): checksum verify failed on 5332992 wanted 0x0a5e5d25 found 0x26333c6f level 0 [ 75.303042][ T5048] BTRFS warning (device loop0): couldn't read tree root [ 75.304335][ T136] BTRFS warning (device loop0): checksum verify failed on 5324800 wanted 0x9f73850b found 0x78ca8373 level 0 [ 75.316188][ T5048] BTRFS warning (device loop0): couldn't read tree root [ 75.317542][ T5048] BTRFS error (device loop0): parent transid verify failed on 5255168 wanted 5 found 7 [ 75.319010][ T5048] BTRFS warning (device loop0): couldn't read tree root [ 75.324041][ T5048] BTRFS info (device loop0): enabling ssd optimizations [ 75.325451][ T5048] BTRFS info (device loop0): clearing free space tree [ 75.326692][ T5048] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 75.328254][ T5048] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 75.333916][ T5048] BTRFS info (device loop0): creating free space tree [ 75.335370][ T5048] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 75.336910][ T5048] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 75.341418][ T5048] FAULT_INJECTION: forcing a failure. [ 75.341418][ T5048] name failslab, interval 1, probability 0, space 0, times 0 [ 75.345146][ T5048] CPU: 1 PID: 5048 Comm: syz.0.17 Not tainted syzkaller #0 [ 75.346325][ T5048] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 75.347867][ T5048] Call trace: [ 75.348363][ T5048] dump_backtrace+0x0/0x458 [ 75.349023][ T5048] show_stack+0x2c/0x3c [ 75.349729][ T5048] __dump_stack+0x30/0x40 [ 75.350418][ T5048] dump_stack_lvl+0xf4/0x15c [ 75.351193][ T5048] dump_stack+0x1c/0x5c [ 75.351909][ T5048] should_fail+0x3bc/0x514 [ 75.352683][ T5048] __should_failslab+0xbc/0x10c [ 75.353453][ T5048] should_failslab+0x10/0x28 [ 75.354193][ T5048] slab_pre_alloc_hook+0x64/0xe8 [ 75.355072][ T5048] kmem_cache_alloc+0x94/0x3d4 [ 75.355903][ T5048] btrfs_alloc_tree_block+0xa3c/0x1130 [ 75.356734][ T5048] insert_new_root+0x244/0x8a4 [ 75.357504][ T5048] split_leaf+0xa44/0x1090 [ 75.358202][ T5048] btrfs_search_slot+0x1c1c/0x1f44 [ 75.358993][ T5048] btrfs_insert_empty_items+0x1d8/0x2a0 [ 75.359957][ T5048] insert_with_overflow+0xbc/0x248 [ 75.360765][ T5048] btrfs_insert_xattr_item+0x178/0x30c [ 75.361679][ T5048] btrfs_setxattr+0x3d8/0x8bc [ 75.362459][ T5048] btrfs_setxattr_trans+0xfc/0x354 [ 75.363356][ T5048] btrfs_xattr_handler_set+0xb0/0xd8 [ 75.364309][ T5048] __vfs_setxattr+0x384/0x3a0 [ 75.365005][ T5048] __vfs_setxattr_noperm+0x120/0x564 [ 75.365900][ T5048] __vfs_setxattr_locked+0x1ec/0x218 [ 75.366772][ T5048] vfs_setxattr+0x158/0x2ac [ 75.367520][ T5048] setxattr+0x278/0x2f8 [ 75.368214][ T5048] path_setxattr+0x130/0x260 [ 75.368980][ T5048] __arm64_sys_setxattr+0xbc/0xd8 [ 75.369759][ T5048] invoke_syscall+0x98/0x2b0 [ 75.370438][ T5048] el0_svc_common+0x138/0x258 [ 75.371103][ T5048] do_el0_svc+0x58/0x13c [ 75.371789][ T5048] el0_svc+0x78/0x1d0 [ 75.372452][ T5048] el0t_64_sync_handler+0xcc/0xe4 [ 75.373256][ T5048] el0t_64_sync+0x1a0/0x1a4 [ 75.376686][ T148] device hsr_slave_0 left promiscuous mode [ 75.402751][ T148] device hsr_slave_1 left promiscuous mode [ 75.420487][ T4755] ------------[ cut here ]------------ [ 75.421370][ T4755] WARNING: CPU: 0 PID: 4755 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 75.423099][ T4755] Modules linked in: [ 75.423704][ T4755] CPU: 0 PID: 4755 Comm: syz-executor Not tainted syzkaller #0 [ 75.424833][ T4755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 75.426256][ T4755] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 75.427636][ T4755] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 75.428770][ T4755] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x664 [ 75.429855][ T4755] sp : ffff80001f657740 [ 75.430516][ T4755] x29: ffff80001f657750 x28: dfff800000000000 x27: 1fffe00019c29b0c [ 75.431722][ T4755] x26: dfff800000000000 x25: ffff80001429d110 x24: 0000000000000001 [ 75.432939][ T4755] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 75.434079][ T4755] x20: ffff0000ce14d860 x19: 0000000000000000 x18: 0000000000000000 [ 75.435222][ T4755] x17: 0000000000000000 x16: ffff80001125a830 x15: 0000000000000000 [ 75.436527][ T4755] x14: ffff700003ecaedc x13: 1ffff00003ecaedc x12: 0000000000ff0100 [ 75.437851][ T4755] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a059670 [ 75.439169][ T4755] x8 : ffff0000d6dbb680 x7 : ffff80000a058954 x6 : 0000000000000000 [ 75.440483][ T4755] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d840c [ 75.441745][ T4755] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 75.442936][ T4755] Call trace: [ 75.443400][ T4755] btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 75.444581][ T4755] btrfs_block_rsv_release+0x3f8/0x4d4 [ 75.445476][ T4755] btrfs_release_global_block_rsv+0x38/0x22c [ 75.446470][ T4755] btrfs_free_block_groups+0x7ac/0xb3c [ 75.447421][ T4755] close_ctree+0x618/0x834 [ 75.448135][ T4755] btrfs_put_super+0x40/0x50 [ 75.448847][ T4755] generic_shutdown_super+0x130/0x2f0 [ 75.449667][ T4755] kill_anon_super+0x4c/0x80 [ 75.450323][ T4755] btrfs_kill_super+0x40/0x58 [ 75.451117][ T4755] deactivate_locked_super+0xb8/0x134 [ 75.452002][ T4755] deactivate_super+0xf0/0x110 [ 75.452753][ T4755] cleanup_mnt+0x3b8/0x46c [ 75.453450][ T4755] __cleanup_mnt+0x20/0x30 [ 75.454157][ T4755] task_work_run+0x12c/0x1d8 [ 75.454837][ T4755] do_notify_resume+0x2450/0x309c [ 75.455650][ T4755] el0_svc+0xf0/0x1d0 [ 75.456298][ T4755] el0t_64_sync_handler+0xcc/0xe4 [ 75.457120][ T4755] el0t_64_sync+0x1a0/0x1a4 [ 75.457845][ T4755] irq event stamp: 184360 [ 75.458530][ T4755] hardirqs last enabled at (184359): [] kasan_quarantine_put+0xc4/0x200 [ 75.460094][ T4755] hardirqs last disabled at (184360): [] el1_dbg+0x24/0x80 [ 75.461412][ T4755] softirqs last enabled at (181666): [] local_bh_enable+0x10/0x34 [ 75.462916][ T4755] softirqs last disabled at (181664): [] local_bh_disable+0x10/0x34 [ 75.464474][ T4755] ---[ end trace 3d00ae5f28aa0ff4 ]--- [ 75.501706][ T148] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 75.502925][ T148] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 75.504771][ T148] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 75.505893][ T148] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 75.507258][ T148] device bridge_slave_1 left promiscuous mode [ 75.508263][ T148] bridge0: port 2(bridge_slave_1) entered disabled state [ 75.553639][ T148] device bridge_slave_0 left promiscuous mode [ 75.554802][ T148] bridge0: port 1(bridge_slave_0) entered disabled state [ 75.639351][ T5071] loop0: detected capacity change from 0 to 32768 [ 75.692646][ T148] device veth1_macvtap left promiscuous mode [ 75.693606][ T148] device veth0_macvtap left promiscuous mode [ 75.694717][ T148] device veth1_vlan left promiscuous mode [ 75.695905][ T148] device veth0_vlan left promiscuous mode [ 75.738247][ T5071] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.18 (5071) [ 75.741069][ T5071] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 75.747155][ T5071] BTRFS info (device loop0): metadata ratio 4 [ 75.748123][ T5071] BTRFS info (device loop0): setting incompat feature flag for COMPRESS_LZO (0x8) [ 75.749511][ T5071] BTRFS info (device loop0): force lzo compression, level 0 [ 75.750619][ T5071] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 75.762085][ T5071] BTRFS info (device loop0): trying to use backup root at mount time [ 75.763339][ T5071] BTRFS info (device loop0): enabling auto defrag [ 75.764352][ T5071] BTRFS info (device loop0): setting nodatacow [ 75.765329][ T5071] BTRFS info (device loop0): disabling tree log [ 75.766375][ T5071] BTRFS info (device loop0): using free space tree [ 75.767428][ T5071] BTRFS info (device loop0): has skinny extents [ 75.787111][ T1643] BTRFS warning (device loop0): checksum verify failed on 5332992 wanted 0x0a5e5d25 found 0x26333c6f level 0 [ 75.788957][ T5071] BTRFS warning (device loop0): couldn't read tree root [ 75.790366][ T1643] BTRFS warning (device loop0): checksum verify failed on 5324800 wanted 0x9f73850b found 0x78ca8373 level 0 [ 75.795338][ T5071] BTRFS warning (device loop0): couldn't read tree root [ 75.796715][ T5071] BTRFS error (device loop0): parent transid verify failed on 5255168 wanted 5 found 7 [ 75.798183][ T5071] BTRFS warning (device loop0): couldn't read tree root [ 75.802915][ T5071] BTRFS info (device loop0): enabling ssd optimizations [ 75.804406][ T5071] BTRFS info (device loop0): clearing free space tree [ 75.805542][ T5071] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 75.807094][ T5071] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 75.811974][ T5071] BTRFS info (device loop0): creating free space tree [ 75.813460][ T5071] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 75.814935][ T5071] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 75.821725][ T5071] FAULT_INJECTION: forcing a failure. [ 75.821725][ T5071] name failslab, interval 1, probability 0, space 0, times 0 [ 75.823638][ T5071] CPU: 1 PID: 5071 Comm: syz.0.18 Tainted: G W syzkaller #0 [ 75.824989][ T5071] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 75.826657][ T5071] Call trace: [ 75.827190][ T5071] dump_backtrace+0x0/0x458 [ 75.827889][ T5071] show_stack+0x2c/0x3c [ 75.828477][ T5071] __dump_stack+0x30/0x40 [ 75.829125][ T5071] dump_stack_lvl+0xf4/0x15c [ 75.829772][ T5071] dump_stack+0x1c/0x5c [ 75.830376][ T5071] should_fail+0x3bc/0x514 [ 75.831011][ T5071] __should_failslab+0xbc/0x10c [ 75.831823][ T5071] should_failslab+0x10/0x28 [ 75.832522][ T5071] slab_pre_alloc_hook+0x64/0xe8 [ 75.833327][ T5071] kmem_cache_alloc+0x94/0x3d4 [ 75.834161][ T5071] btrfs_alloc_tree_block+0xa3c/0x1130 [ 75.835030][ T5071] insert_new_root+0x244/0x8a4 [ 75.835814][ T5071] split_leaf+0xa44/0x1090 [ 75.836496][ T5071] btrfs_search_slot+0x1c1c/0x1f44 [ 75.837368][ T5071] btrfs_insert_empty_items+0x1d8/0x2a0 [ 75.838298][ T5071] insert_with_overflow+0xbc/0x248 [ 75.839180][ T5071] btrfs_insert_xattr_item+0x178/0x30c [ 75.840151][ T5071] btrfs_setxattr+0x3d8/0x8bc [ 75.840892][ T5071] btrfs_setxattr_trans+0xfc/0x354 [ 75.841709][ T5071] btrfs_xattr_handler_set+0xb0/0xd8 [ 75.842580][ T5071] __vfs_setxattr+0x384/0x3a0 [ 75.843366][ T5071] __vfs_setxattr_noperm+0x120/0x564 [ 75.844218][ T5071] __vfs_setxattr_locked+0x1ec/0x218 [ 75.845114][ T5071] vfs_setxattr+0x158/0x2ac [ 75.845827][ T5071] setxattr+0x278/0x2f8 [ 75.846550][ T5071] path_setxattr+0x130/0x260 [ 75.847281][ T5071] __arm64_sys_setxattr+0xbc/0xd8 [ 75.848062][ T5071] invoke_syscall+0x98/0x2b0 [ 75.848815][ T5071] el0_svc_common+0x138/0x258 [ 75.849583][ T5071] do_el0_svc+0x58/0x13c [ 75.850282][ T5071] el0_svc+0x78/0x1d0 [ 75.850931][ T5071] el0t_64_sync_handler+0xcc/0xe4 [ 75.851748][ T5071] el0t_64_sync+0x1a0/0x1a4 [ 75.888717][ T4755] ------------[ cut here ]------------ [ 75.889720][ T4755] WARNING: CPU: 1 PID: 4755 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 75.891518][ T4755] Modules linked in: [ 75.892134][ T4755] CPU: 1 PID: 4755 Comm: syz-executor Tainted: G W syzkaller #0 [ 75.893600][ T4755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 75.895260][ T4755] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 75.896567][ T4755] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 75.897756][ T4755] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x664 [ 75.898938][ T4755] sp : ffff80001f657740 [ 75.899575][ T4755] x29: ffff80001f657750 x28: dfff800000000000 x27: 1fffe0001b4a090c [ 75.900831][ T4755] x26: dfff800000000000 x25: ffff80001429d110 x24: 0000000000000002 [ 75.902149][ T4755] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 75.903589][ T4755] x20: ffff0000da504860 x19: 0000000000000000 x18: 0000000000000000 [ 75.904869][ T4755] x17: 0000000000000000 x16: ffff80001125a830 x15: 0000000000000000 [ 75.906102][ T4755] x14: ffff700003ecaedc x13: 1ffff00003ecaedc x12: 0000000000ff0100 [ 75.907345][ T4755] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a059670 [ 75.908666][ T4755] x8 : ffff0000d6dbb680 x7 : ffff80000a058954 x6 : 0000000000000000 [ 75.910027][ T4755] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d840c [ 75.911355][ T4755] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 75.912667][ T4755] Call trace: [ 75.913180][ T4755] btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 75.914183][ T4755] btrfs_block_rsv_release+0x3f8/0x4d4 [ 75.915007][ T4755] btrfs_release_global_block_rsv+0x38/0x22c [ 75.915960][ T4755] btrfs_free_block_groups+0x7ac/0xb3c [ 75.916820][ T4755] close_ctree+0x618/0x834 [ 75.917572][ T4755] btrfs_put_super+0x40/0x50 [ 75.918293][ T4755] generic_shutdown_super+0x130/0x2f0 [ 75.919166][ T4755] kill_anon_super+0x4c/0x80 [ 75.919895][ T4755] btrfs_kill_super+0x40/0x58 [ 75.920695][ T4755] deactivate_locked_super+0xb8/0x134 [ 75.921650][ T4755] deactivate_super+0xf0/0x110 [ 75.922423][ T4755] cleanup_mnt+0x3b8/0x46c [ 75.923169][ T4755] __cleanup_mnt+0x20/0x30 [ 75.923878][ T4755] task_work_run+0x12c/0x1d8 [ 75.924681][ T4755] do_notify_resume+0x2450/0x309c [ 75.925558][ T4755] el0_svc+0xf0/0x1d0 [ 75.926218][ T4755] el0t_64_sync_handler+0xcc/0xe4 [ 75.926980][ T4755] el0t_64_sync+0x1a0/0x1a4 [ 75.927703][ T4755] irq event stamp: 211336 [ 75.928379][ T4755] hardirqs last enabled at (211335): [] kasan_quarantine_put+0xc4/0x200 [ 75.930048][ T4755] hardirqs last disabled at (211336): [] el1_dbg+0x24/0x80 [ 75.931486][ T4755] softirqs last enabled at (208782): [] local_bh_enable+0x10/0x34 [ 75.933013][ T4755] softirqs last disabled at (208780): [] local_bh_disable+0x10/0x34 [ 75.934621][ T4755] ---[ end trace 3d00ae5f28aa0ff5 ]--- [ 75.966305][ T148] team0 (unregistering): Port device team_slave_1 removed [ 75.971343][ T148] team0 (unregistering): Port device team_slave_0 removed [ 75.989620][ T148] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 76.017257][ T148] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 76.102151][ T5096] loop0: detected capacity change from 0 to 32768 [ 76.125817][ T148] bond0 (unregistering): Released all slaves [ 76.185865][ T5096] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.19 (5096) [ 76.190335][ T5096] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 76.192109][ T5096] BTRFS info (device loop0): metadata ratio 4 [ 76.193399][ T5096] BTRFS info (device loop0): setting incompat feature flag for COMPRESS_LZO (0x8) [ 76.195157][ T5096] BTRFS info (device loop0): force lzo compression, level 0 [ 76.196502][ T5096] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 76.197903][ T5096] BTRFS info (device loop0): trying to use backup root at mount time [ 76.199150][ T5096] BTRFS info (device loop0): enabling auto defrag [ 76.200081][ T5096] BTRFS info (device loop0): setting nodatacow [ 76.201169][ T5096] BTRFS info (device loop0): disabling tree log [ 76.203074][ T5096] BTRFS info (device loop0): using free space tree [ 76.204134][ T5096] BTRFS info (device loop0): has skinny extents [ 76.210384][ T372] BTRFS warning (device loop0): checksum verify failed on 5332992 wanted 0x0a5e5d25 found 0x26333c6f level 0 [ 76.212593][ T5096] BTRFS warning (device loop0): couldn't read tree root [ 76.213895][ T5097] BTRFS warning (device loop0): checksum verify failed on 5324800 wanted 0x9f73850b found 0x78ca8373 level 0 [ 76.215840][ T5096] BTRFS warning (device loop0): couldn't read tree root [ 76.217044][ T5096] BTRFS error (device loop0): parent transid verify failed on 5255168 wanted 5 found 7 [ 76.218553][ T5096] BTRFS warning (device loop0): couldn't read tree root [ 76.228088][ T5096] BTRFS info (device loop0): enabling ssd optimizations [ 76.229493][ T5096] BTRFS info (device loop0): clearing free space tree [ 76.230595][ T5096] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 76.232333][ T5096] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 76.235748][ T5096] BTRFS info (device loop0): creating free space tree [ 76.237064][ T5096] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 76.238461][ T5096] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 76.246041][ T5096] FAULT_INJECTION: forcing a failure. [ 76.246041][ T5096] name failslab, interval 1, probability 0, space 0, times 0 [ 76.248098][ T5096] CPU: 0 PID: 5096 Comm: syz.0.19 Tainted: G W syzkaller #0 [ 76.249630][ T5096] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.251250][ T5096] Call trace: [ 76.251727][ T5096] dump_backtrace+0x0/0x458 [ 76.252421][ T5096] show_stack+0x2c/0x3c [ 76.253096][ T5096] __dump_stack+0x30/0x40 [ 76.253860][ T5096] dump_stack_lvl+0xf4/0x15c [ 76.254626][ T5096] dump_stack+0x1c/0x5c [ 76.255335][ T5096] should_fail+0x3bc/0x514 [ 76.256079][ T5096] __should_failslab+0xbc/0x10c [ 76.256775][ T5096] should_failslab+0x10/0x28 [ 76.257440][ T5096] slab_pre_alloc_hook+0x64/0xe8 [ 76.258327][ T5096] kmem_cache_alloc+0x94/0x3d4 [ 76.259124][ T5096] btrfs_alloc_tree_block+0xa3c/0x1130 [ 76.259987][ T5096] insert_new_root+0x244/0x8a4 [ 76.260707][ T5096] split_leaf+0xa44/0x1090 [ 76.261356][ T5096] btrfs_search_slot+0x1c1c/0x1f44 [ 76.262135][ T5096] btrfs_insert_empty_items+0x1d8/0x2a0 [ 76.262964][ T5096] insert_with_overflow+0xbc/0x248 [ 76.263826][ T5096] btrfs_insert_xattr_item+0x178/0x30c [ 76.264704][ T5096] btrfs_setxattr+0x3d8/0x8bc [ 76.265449][ T5096] btrfs_setxattr_trans+0xfc/0x354 [ 76.266161][ T5096] btrfs_xattr_handler_set+0xb0/0xd8 [ 76.266941][ T5096] __vfs_setxattr+0x384/0x3a0 [ 76.267669][ T5096] __vfs_setxattr_noperm+0x120/0x564 [ 76.268553][ T5096] __vfs_setxattr_locked+0x1ec/0x218 [ 76.269438][ T5096] vfs_setxattr+0x158/0x2ac [ 76.270216][ T5096] setxattr+0x278/0x2f8 [ 76.270870][ T5096] path_setxattr+0x130/0x260 [ 76.271566][ T5096] __arm64_sys_setxattr+0xbc/0xd8 [ 76.272425][ T5096] invoke_syscall+0x98/0x2b0 [ 76.273193][ T5096] el0_svc_common+0x138/0x258 [ 76.273994][ T5096] do_el0_svc+0x58/0x13c [ 76.274646][ T5096] el0_svc+0x78/0x1d0 [ 76.275261][ T5096] el0t_64_sync_handler+0xcc/0xe4 [ 76.276090][ T5096] el0t_64_sync+0x1a0/0x1a4 [ 76.330852][ T4755] ------------[ cut here ]------------ [ 76.331875][ T4755] WARNING: CPU: 1 PID: 4755 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 76.333838][ T4755] Modules linked in: [ 76.334541][ T4755] CPU: 1 PID: 4755 Comm: syz-executor Tainted: G W syzkaller #0 [ 76.335922][ T4755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.337461][ T4755] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 76.338543][ T4755] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 76.339588][ T4755] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x664 [ 76.340632][ T4755] sp : ffff80001f657740 [ 76.341278][ T4755] x29: ffff80001f657750 x28: dfff800000000000 x27: 1fffe000196da00c [ 76.342622][ T4755] x26: dfff800000000000 x25: ffff80001429d110 x24: 0000000000000002 [ 76.343906][ T4755] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 76.345176][ T4755] x20: ffff0000cb6d0060 x19: 0000000000000000 x18: 0000000000000000 [ 76.346521][ T4755] x17: 0000000000000000 x16: ffff80001125a830 x15: 0000000000000000 [ 76.347820][ T4755] x14: ffff700003ecaedc x13: 1ffff00003ecaedc x12: 0000000000ff0100 [ 76.349045][ T4755] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a059670 [ 76.350301][ T4755] x8 : ffff0000d6dbb680 x7 : ffff80000a058954 x6 : 0000000000000000 [ 76.351583][ T4755] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d840c [ 76.352931][ T4755] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 76.354249][ T4755] Call trace: [ 76.354754][ T4755] btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 76.355843][ T4755] btrfs_block_rsv_release+0x3f8/0x4d4 [ 76.356782][ T4755] btrfs_release_global_block_rsv+0x38/0x22c [ 76.357806][ T4755] btrfs_free_block_groups+0x7ac/0xb3c [ 76.358729][ T4755] close_ctree+0x618/0x834 [ 76.359476][ T4755] btrfs_put_super+0x40/0x50 [ 76.360126][ T4755] generic_shutdown_super+0x130/0x2f0 [ 76.360943][ T4755] kill_anon_super+0x4c/0x80 [ 76.361662][ T4755] btrfs_kill_super+0x40/0x58 [ 76.362349][ T4755] deactivate_locked_super+0xb8/0x134 [ 76.363146][ T4755] deactivate_super+0xf0/0x110 [ 76.363858][ T4755] cleanup_mnt+0x3b8/0x46c [ 76.364542][ T4755] __cleanup_mnt+0x20/0x30 [ 76.365216][ T4755] task_work_run+0x12c/0x1d8 [ 76.365910][ T4755] do_notify_resume+0x2450/0x309c [ 76.366698][ T4755] el0_svc+0xf0/0x1d0 [ 76.367299][ T4755] el0t_64_sync_handler+0xcc/0xe4 [ 76.368049][ T4755] el0t_64_sync+0x1a0/0x1a4 [ 76.368779][ T4755] irq event stamp: 238640 [ 76.369505][ T4755] hardirqs last enabled at (238639): [] kasan_quarantine_put+0xc4/0x200 [ 76.371056][ T4755] hardirqs last disabled at (238640): [] el1_dbg+0x24/0x80 [ 76.372496][ T4755] softirqs last enabled at (235808): [] local_bh_enable+0x10/0x34 [ 76.374103][ T4755] softirqs last disabled at (235806): [] local_bh_disable+0x10/0x34 [ 76.375733][ T4755] ---[ end trace 3d00ae5f28aa0ff6 ]--- [ 76.530032][ T5121] loop0: detected capacity change from 0 to 32768 [ 76.567811][ T5121] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.20 (5121) [ 76.571506][ T5121] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 76.573082][ T5121] BTRFS info (device loop0): metadata ratio 4 [ 76.574217][ T5121] BTRFS info (device loop0): setting incompat feature flag for COMPRESS_LZO (0x8) [ 76.575693][ T5121] BTRFS info (device loop0): force lzo compression, level 0 [ 76.576892][ T5121] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 76.578550][ T5121] BTRFS info (device loop0): trying to use backup root at mount time [ 76.580627][ T5121] BTRFS info (device loop0): enabling auto defrag [ 76.582438][ T5121] BTRFS info (device loop0): setting nodatacow [ 76.583434][ T5121] BTRFS info (device loop0): disabling tree log [ 76.584437][ T5121] BTRFS info (device loop0): using free space tree [ 76.585447][ T5121] BTRFS info (device loop0): has skinny extents [ 76.591590][ T5121] BTRFS warning (device loop0): couldn't read tree root [ 76.593014][ T5121] BTRFS warning (device loop0): couldn't read tree root [ 76.594240][ T5121] BTRFS error (device loop0): parent transid verify failed on 5255168 wanted 5 found 7 [ 76.595814][ T5121] BTRFS warning (device loop0): couldn't read tree root [ 76.598997][ T5121] BTRFS info (device loop0): enabling ssd optimizations [ 76.600275][ T5121] BTRFS info (device loop0): clearing free space tree [ 76.601486][ T5121] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 76.604655][ T5121] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 76.608378][ T5121] BTRFS info (device loop0): creating free space tree [ 76.613751][ T5121] FAULT_INJECTION: forcing a failure. [ 76.613751][ T5121] name failslab, interval 1, probability 0, space 0, times 0 [ 76.615757][ T5121] CPU: 1 PID: 5121 Comm: syz.0.20 Tainted: G W syzkaller #0 [ 76.617071][ T5121] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.618591][ T5121] Call trace: [ 76.619118][ T5121] dump_backtrace+0x0/0x458 [ 76.619902][ T5121] show_stack+0x2c/0x3c [ 76.620574][ T5121] __dump_stack+0x30/0x40 [ 76.621294][ T5121] dump_stack_lvl+0xf4/0x15c [ 76.622066][ T5121] dump_stack+0x1c/0x5c [ 76.622857][ T5121] should_fail+0x3bc/0x514 [ 76.623629][ T5121] __should_failslab+0xbc/0x10c [ 76.624436][ T5121] should_failslab+0x10/0x28 [ 76.625195][ T5121] slab_pre_alloc_hook+0x64/0xe8 [ 76.626079][ T5121] kmem_cache_alloc+0x94/0x3d4 [ 76.626899][ T5121] btrfs_alloc_tree_block+0xa3c/0x1130 [ 76.627769][ T5121] insert_new_root+0x244/0x8a4 [ 76.628570][ T5121] split_leaf+0xa44/0x1090 [ 76.629217][ T5121] btrfs_search_slot+0x1c1c/0x1f44 [ 76.629973][ T5121] btrfs_insert_empty_items+0x1d8/0x2a0 [ 76.630798][ T5121] insert_with_overflow+0xbc/0x248 [ 76.631572][ T5121] btrfs_insert_xattr_item+0x178/0x30c [ 76.632530][ T5121] btrfs_setxattr+0x3d8/0x8bc [ 76.633327][ T5121] btrfs_setxattr_trans+0xfc/0x354 [ 76.634174][ T5121] btrfs_xattr_handler_set+0xb0/0xd8 [ 76.635103][ T5121] __vfs_setxattr+0x384/0x3a0 [ 76.635911][ T5121] __vfs_setxattr_noperm+0x120/0x564 [ 76.636860][ T5121] __vfs_setxattr_locked+0x1ec/0x218 [ 76.637730][ T5121] vfs_setxattr+0x158/0x2ac [ 76.638446][ T5121] setxattr+0x278/0x2f8 [ 76.639163][ T5121] path_setxattr+0x130/0x260 [ 76.639890][ T5121] __arm64_sys_setxattr+0xbc/0xd8 [ 76.640695][ T5121] invoke_syscall+0x98/0x2b0 [ 76.641444][ T5121] el0_svc_common+0x138/0x258 [ 76.642199][ T5121] do_el0_svc+0x58/0x13c [ 76.642841][ T5121] el0_svc+0x78/0x1d0 [ 76.643495][ T5121] el0t_64_sync_handler+0xcc/0xe4 [ 76.644269][ T5121] el0t_64_sync+0x1a0/0x1a4 [ 76.662401][ T4134] Bluetooth: hci0: command 0x0419 tx timeout [ 76.693520][ T4755] ------------[ cut here ]------------ [ 76.694438][ T4755] WARNING: CPU: 0 PID: 4755 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 76.696305][ T4755] Modules linked in: [ 76.696953][ T4755] CPU: 0 PID: 4755 Comm: syz-executor Tainted: G W syzkaller #0 [ 76.698308][ T4755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.699834][ T4755] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 76.700986][ T4755] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 76.702084][ T4755] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x664 [ 76.703235][ T4755] sp : ffff80001f657740 [ 76.703904][ T4755] x29: ffff80001f657750 x28: dfff800000000000 x27: 1fffe0001b212d0c [ 76.705301][ T4755] x26: dfff800000000000 x25: ffff80001429d110 x24: 0000000000000001 [ 76.706598][ T4755] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 76.707898][ T4755] x20: ffff0000d9096860 x19: 0000000000000000 x18: 0000000000000000 [ 76.709125][ T4755] x17: 0000000000000000 x16: ffff80001125a830 x15: 0000000000000000 [ 76.710413][ T4755] x14: ffff700003ecaedc x13: 1ffff00003ecaedc x12: 0000000000ff0100 [ 76.711659][ T4755] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a059670 [ 76.712918][ T4755] x8 : ffff0000d6dbb680 x7 : ffff80000a058954 x6 : 0000000000000000 [ 76.714232][ T4755] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d840c [ 76.715501][ T4755] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 76.716716][ T4755] Call trace: [ 76.717223][ T4755] btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 76.718306][ T4755] btrfs_block_rsv_release+0x3f8/0x4d4 [ 76.719060][ T4755] btrfs_release_global_block_rsv+0x38/0x22c [ 76.720083][ T4755] btrfs_free_block_groups+0x7ac/0xb3c [ 76.720889][ T4755] close_ctree+0x618/0x834 [ 76.721545][ T4755] btrfs_put_super+0x40/0x50 [ 76.722190][ T4755] generic_shutdown_super+0x130/0x2f0 [ 76.722945][ T4755] kill_anon_super+0x4c/0x80 [ 76.723656][ T4755] btrfs_kill_super+0x40/0x58 [ 76.724466][ T4755] deactivate_locked_super+0xb8/0x134 [ 76.725368][ T4755] deactivate_super+0xf0/0x110 [ 76.726162][ T4755] cleanup_mnt+0x3b8/0x46c [ 76.726803][ T4755] __cleanup_mnt+0x20/0x30 [ 76.727544][ T4755] task_work_run+0x12c/0x1d8 [ 76.728197][ T4755] do_notify_resume+0x2450/0x309c [ 76.728934][ T4755] el0_svc+0xf0/0x1d0 [ 76.729649][ T4755] el0t_64_sync_handler+0xcc/0xe4 [ 76.730443][ T4755] el0t_64_sync+0x1a0/0x1a4 [ 76.731107][ T4755] irq event stamp: 265132 [ 76.731727][ T4755] hardirqs last enabled at (265131): [] kasan_quarantine_put+0xc4/0x200 [ 76.733347][ T4755] hardirqs last disabled at (265132): [] el1_dbg+0x24/0x80 [ 76.734848][ T4755] softirqs last enabled at (262710): [] local_bh_enable+0x10/0x34 [ 76.736398][ T4755] softirqs last disabled at (262708): [] local_bh_disable+0x10/0x34 [ 76.737856][ T4755] ---[ end trace 3d00ae5f28aa0ff7 ]--- [ 76.925210][ T5143] loop0: detected capacity change from 0 to 32768 [ 76.966452][ T5143] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.21 (5143) [ 76.973338][ T5143] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 76.979647][ T5143] BTRFS warning (device loop0): couldn't read tree root [ 76.981022][ T5143] BTRFS warning (device loop0): couldn't read tree root [ 76.983088][ T5143] BTRFS error (device loop0): parent transid verify failed on 5255168 wanted 5 found 7 [ 76.984609][ T5143] BTRFS warning (device loop0): couldn't read tree root [ 76.994930][ T5143] FAULT_INJECTION: forcing a failure. [ 76.994930][ T5143] name failslab, interval 1, probability 0, space 0, times 0 [ 76.996876][ T5143] CPU: 1 PID: 5143 Comm: syz.0.21 Tainted: G W syzkaller #0 [ 76.998127][ T5143] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.999610][ T5143] Call trace: [ 77.000066][ T5143] dump_backtrace+0x0/0x458 [ 77.000775][ T5143] show_stack+0x2c/0x3c [ 77.001437][ T5143] __dump_stack+0x30/0x40 [ 77.002082][ T5143] dump_stack_lvl+0xf4/0x15c [ 77.002894][ T5143] dump_stack+0x1c/0x5c [ 77.003620][ T5143] should_fail+0x3bc/0x514 [ 77.004373][ T5143] __should_failslab+0xbc/0x10c [ 77.005192][ T5143] should_failslab+0x10/0x28 [ 77.005904][ T5143] slab_pre_alloc_hook+0x64/0xe8 [ 77.006621][ T5143] kmem_cache_alloc+0x94/0x3d4 [ 77.007335][ T5143] btrfs_alloc_tree_block+0xa3c/0x1130 [ 77.008177][ T5143] insert_new_root+0x244/0x8a4 [ 77.008942][ T5143] split_leaf+0xa44/0x1090 [ 77.009638][ T5143] btrfs_search_slot+0x1c1c/0x1f44 [ 77.010423][ T5143] btrfs_insert_empty_items+0x1d8/0x2a0 [ 77.011339][ T5143] insert_with_overflow+0xbc/0x248 [ 77.012186][ T5143] btrfs_insert_xattr_item+0x178/0x30c [ 77.013013][ T5143] btrfs_setxattr+0x3d8/0x8bc [ 77.013787][ T5143] btrfs_setxattr_trans+0xfc/0x354 [ 77.014640][ T5143] btrfs_xattr_handler_set+0xb0/0xd8 [ 77.015430][ T5143] __vfs_setxattr+0x384/0x3a0 [ 77.016135][ T5143] __vfs_setxattr_noperm+0x120/0x564 [ 77.016879][ T5143] __vfs_setxattr_locked+0x1ec/0x218 [ 77.017680][ T5143] vfs_setxattr+0x158/0x2ac [ 77.018345][ T5143] setxattr+0x278/0x2f8 [ 77.019048][ T5143] path_setxattr+0x130/0x260 [ 77.019748][ T5143] __arm64_sys_setxattr+0xbc/0xd8 [ 77.020478][ T5143] invoke_syscall+0x98/0x2b0 [ 77.021196][ T5143] el0_svc_common+0x138/0x258 [ 77.021931][ T5143] do_el0_svc+0x58/0x13c [ 77.022667][ T5143] el0_svc+0x78/0x1d0 [ 77.023343][ T5143] el0t_64_sync_handler+0xcc/0xe4 [ 77.024106][ T5143] el0t_64_sync+0x1a0/0x1a4 [ 77.058729][ T4755] ------------[ cut here ]------------ [ 77.059626][ T4755] WARNING: CPU: 1 PID: 4755 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 77.061281][ T4755] Modules linked in: [ 77.061837][ T4755] CPU: 1 PID: 4755 Comm: syz-executor Tainted: G W syzkaller #0 [ 77.063101][ T4755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 77.064658][ T4755] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 77.065775][ T4755] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 77.066887][ T4755] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x664 [ 77.068029][ T4755] sp : ffff80001f657740 [ 77.068676][ T4755] x29: ffff80001f657750 x28: dfff800000000000 x27: 1fffe0001b23fc0c [ 77.069940][ T4755] x26: dfff800000000000 x25: ffff80001429d110 x24: 0000000000000002 [ 77.071280][ T4755] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 77.072418][ T4755] x20: ffff0000d91fe060 x19: 0000000000000000 x18: 0000000000000000 [ 77.073563][ T4755] x17: 0000000000000000 x16: ffff80001125a830 x15: 0000000000000000 [ 77.074967][ T4755] x14: ffff700003ecaedc x13: 1ffff00003ecaedc x12: 0000000000ff0100 [ 77.076274][ T4755] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a059670 [ 77.077573][ T4755] x8 : ffff0000d6dbb680 x7 : ffff80000a058954 x6 : 0000000000000000 [ 77.078723][ T4755] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d840c [ 77.079938][ T4755] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 77.081206][ T4755] Call trace: [ 77.081702][ T4755] btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 77.082853][ T4755] btrfs_block_rsv_release+0x3f8/0x4d4 [ 77.083798][ T4755] btrfs_release_global_block_rsv+0x38/0x22c [ 77.084786][ T4755] btrfs_free_block_groups+0x7ac/0xb3c [ 77.085671][ T4755] close_ctree+0x618/0x834 [ 77.086394][ T4755] btrfs_put_super+0x40/0x50 [ 77.087142][ T4755] generic_shutdown_super+0x130/0x2f0 [ 77.088004][ T4755] kill_anon_super+0x4c/0x80 [ 77.088762][ T4755] btrfs_kill_super+0x40/0x58 [ 77.089540][ T4755] deactivate_locked_super+0xb8/0x134 [ 77.090439][ T4755] deactivate_super+0xf0/0x110 [ 77.091228][ T4755] cleanup_mnt+0x3b8/0x46c [ 77.091941][ T4755] __cleanup_mnt+0x20/0x30 [ 77.092605][ T4755] task_work_run+0x12c/0x1d8 [ 77.093370][ T4755] do_notify_resume+0x2450/0x309c [ 77.094124][ T4755] el0_svc+0xf0/0x1d0 [ 77.094749][ T4755] el0t_64_sync_handler+0xcc/0xe4 [ 77.095469][ T4755] el0t_64_sync+0x1a0/0x1a4 [ 77.096191][ T4755] irq event stamp: 292710 [ 77.096924][ T4755] hardirqs last enabled at (292709): [] kasan_quarantine_put+0xc4/0x200 [ 77.098633][ T4755] hardirqs last disabled at (292710): [] el1_dbg+0x24/0x80 [ 77.100014][ T4755] softirqs last enabled at (290712): [] handle_softirqs+0xa40/0xbe4 [ 77.101471][ T4755] softirqs last disabled at (290519): [] __irq_exit_rcu+0x240/0x43c [ 77.102839][ T4755] ---[ end trace 3d00ae5f28aa0ff8 ]--- [ 77.257854][ T5167] loop0: detected capacity change from 0 to 32768 [ 77.301190][ T5167] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.22 (5167) [ 77.306776][ T5167] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 77.313982][ T5167] BTRFS warning (device loop0): couldn't read tree root [ 77.315255][ T5167] BTRFS warning (device loop0): couldn't read tree root [ 77.316540][ T5167] BTRFS error (device loop0): parent transid verify failed on 5255168 wanted 5 found 7 [ 77.318178][ T5167] BTRFS warning (device loop0): couldn't read tree root [ 77.338882][ T5167] FAULT_INJECTION: forcing a failure. [ 77.338882][ T5167] name failslab, interval 1, probability 0, space 0, times 0 [ 77.340913][ T5167] CPU: 1 PID: 5167 Comm: syz.0.22 Tainted: G W syzkaller #0 [ 77.342331][ T5167] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 77.343978][ T5167] Call trace: [ 77.344437][ T5167] dump_backtrace+0x0/0x458 [ 77.345213][ T5167] show_stack+0x2c/0x3c [ 77.345838][ T5167] __dump_stack+0x30/0x40 [ 77.346468][ T5167] dump_stack_lvl+0xf4/0x15c [ 77.347179][ T5167] dump_stack+0x1c/0x5c [ 77.347904][ T5167] should_fail+0x3bc/0x514 [ 77.348632][ T5167] __should_failslab+0xbc/0x10c [ 77.349473][ T5167] should_failslab+0x10/0x28 [ 77.350228][ T5167] slab_pre_alloc_hook+0x64/0xe8 [ 77.351073][ T5167] kmem_cache_alloc+0x94/0x3d4 [ 77.351914][ T5167] btrfs_alloc_tree_block+0xa3c/0x1130 [ 77.352764][ T5167] insert_new_root+0x244/0x8a4 [ 77.353500][ T5167] split_leaf+0xa44/0x1090 [ 77.354195][ T5167] btrfs_search_slot+0x1c1c/0x1f44 [ 77.354985][ T5167] btrfs_insert_empty_items+0x1d8/0x2a0 [ 77.355846][ T5167] insert_with_overflow+0xbc/0x248 [ 77.356658][ T5167] btrfs_insert_xattr_item+0x178/0x30c [ 77.357486][ T5167] btrfs_setxattr+0x3d8/0x8bc [ 77.358253][ T5167] btrfs_setxattr_trans+0xfc/0x354 [ 77.359165][ T5167] btrfs_xattr_handler_set+0xb0/0xd8 [ 77.360079][ T5167] __vfs_setxattr+0x384/0x3a0 [ 77.360845][ T5167] __vfs_setxattr_noperm+0x120/0x564 [ 77.361682][ T5167] __vfs_setxattr_locked+0x1ec/0x218 [ 77.362530][ T5167] vfs_setxattr+0x158/0x2ac [ 77.363240][ T5167] setxattr+0x278/0x2f8 [ 77.363941][ T5167] path_setxattr+0x130/0x260 [ 77.364674][ T5167] __arm64_sys_setxattr+0xbc/0xd8 [ 77.365494][ T5167] invoke_syscall+0x98/0x2b0 [ 77.366267][ T5167] el0_svc_common+0x138/0x258 [ 77.367052][ T5167] do_el0_svc+0x58/0x13c [ 77.367748][ T5167] el0_svc+0x78/0x1d0 [ 77.368425][ T5167] el0t_64_sync_handler+0xcc/0xe4 [ 77.369236][ T5167] el0t_64_sync+0x1a0/0x1a4 [ 77.413542][ T4755] ------------[ cut here ]------------ [ 77.414402][ T4755] WARNING: CPU: 1 PID: 4755 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 77.416177][ T4755] Modules linked in: [ 77.416757][ T4755] CPU: 1 PID: 4755 Comm: syz-executor Tainted: G W syzkaller #0 [ 77.418097][ T4755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 77.419556][ T4755] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 77.420770][ T4755] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 77.421858][ T4755] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x664 [ 77.422913][ T4755] sp : ffff80001f657740 [ 77.423551][ T4755] x29: ffff80001f657750 x28: dfff800000000000 x27: 1fffe00018433d0c [ 77.424839][ T4755] x26: dfff800000000000 x25: ffff80001429d110 x24: 0000000000000002 [ 77.426078][ T4755] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 77.427356][ T4755] x20: ffff0000c219e860 x19: 0000000000000000 x18: 0000000000000000 [ 77.428761][ T4755] x17: 0000000000000000 x16: ffff80001125a830 x15: 0000000000000000 [ 77.430105][ T4755] x14: ffff700003ecaedc x13: 1ffff00003ecaedc x12: 0000000000ff0100 [ 77.431505][ T4755] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a059670 [ 77.432829][ T4755] x8 : ffff0000d6dbb680 x7 : ffff80000a058954 x6 : 0000000000000000 [ 77.434064][ T4755] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d840c [ 77.435440][ T4755] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 77.436784][ T4755] Call trace: [ 77.437308][ T4755] btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 77.438365][ T4755] btrfs_block_rsv_release+0x3f8/0x4d4 [ 77.439267][ T4755] btrfs_release_global_block_rsv+0x38/0x22c [ 77.440186][ T4755] btrfs_free_block_groups+0x7ac/0xb3c [ 77.441110][ T4755] close_ctree+0x618/0x834 [ 77.441853][ T4755] btrfs_put_super+0x40/0x50 [ 77.442579][ T4755] generic_shutdown_super+0x130/0x2f0 [ 77.443373][ T4755] kill_anon_super+0x4c/0x80 [ 77.444092][ T4755] btrfs_kill_super+0x40/0x58 [ 77.444844][ T4755] deactivate_locked_super+0xb8/0x134 [ 77.445696][ T4755] deactivate_super+0xf0/0x110 [ 77.446465][ T4755] cleanup_mnt+0x3b8/0x46c [ 77.447143][ T4755] __cleanup_mnt+0x20/0x30 [ 77.447851][ T4755] task_work_run+0x12c/0x1d8 [ 77.448552][ T4755] do_notify_resume+0x2450/0x309c [ 77.449304][ T4755] el0_svc+0xf0/0x1d0 [ 77.449980][ T4755] el0t_64_sync_handler+0xcc/0xe4 [ 77.450778][ T4755] el0t_64_sync+0x1a0/0x1a4 [ 77.451612][ T4755] irq event stamp: 300914 [ 77.452355][ T4755] hardirqs last enabled at (300913): [] kasan_quarantine_put+0xc4/0x200 [ 77.454042][ T4755] hardirqs last disabled at (300914): [] el1_dbg+0x24/0x80 [ 77.455436][ T4755] softirqs last enabled at (300680): [] handle_softirqs+0xa40/0xbe4 [ 77.456936][ T4755] softirqs last disabled at (300671): [] __irq_exit_rcu+0x240/0x43c [ 77.458528][ T4755] ---[ end trace 3d00ae5f28aa0ff9 ]--- [ 77.610028][ T5189] loop0: detected capacity change from 0 to 32768 [ 77.613154][ T5189] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.23 (5189) [ 77.623282][ T5189] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 77.746147][ T5189] BTRFS warning (device loop0): couldn't read tree root [ 77.747474][ T5189] BTRFS warning (device loop0): couldn't read tree root [ 77.748712][ T5189] BTRFS error (device loop0): parent transid verify failed on 5255168 wanted 5 found 7 [ 77.750339][ T5189] BTRFS warning (device loop0): couldn't read tree root [ 77.767655][ T5189] FAULT_INJECTION: forcing a failure. [ 77.767655][ T5189] name failslab, interval 1, probability 0, space 0, times 0 [ 77.769607][ T5189] CPU: 1 PID: 5189 Comm: syz.0.23 Tainted: G W syzkaller #0 [ 77.770998][ T5189] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 77.772639][ T5189] Call trace: [ 77.773171][ T5189] dump_backtrace+0x0/0x458 [ 77.773977][ T5189] show_stack+0x2c/0x3c [ 77.774611][ T5189] __dump_stack+0x30/0x40 [ 77.775323][ T5189] dump_stack_lvl+0xf4/0x15c [ 77.775997][ T5189] dump_stack+0x1c/0x5c [ 77.776618][ T5189] should_fail+0x3bc/0x514 [ 77.777305][ T5189] __should_failslab+0xbc/0x10c [ 77.778076][ T5189] should_failslab+0x10/0x28 [ 77.778769][ T5189] slab_pre_alloc_hook+0x64/0xe8 [ 77.779506][ T5189] kmem_cache_alloc+0x94/0x3d4 [ 77.780199][ T5189] alloc_extent_state+0x38/0x42c [ 77.780930][ T5189] set_extent_bit+0x1b0/0x1378 [ 77.781719][ T5189] btrfs_alloc_tree_block+0x998/0x1130 [ 77.782624][ T5189] insert_new_root+0x244/0x8a4 [ 77.783456][ T5189] split_leaf+0xa44/0x1090 [ 77.784174][ T5189] btrfs_search_slot+0x1c1c/0x1f44 [ 77.785018][ T5189] btrfs_insert_empty_items+0x1d8/0x2a0 [ 77.785893][ T5189] insert_with_overflow+0xbc/0x248 [ 77.786822][ T5189] btrfs_insert_xattr_item+0x178/0x30c [ 77.787740][ T5189] btrfs_setxattr+0x3d8/0x8bc [ 77.788498][ T5189] btrfs_setxattr_trans+0xfc/0x354 [ 77.789398][ T5189] btrfs_xattr_handler_set+0xb0/0xd8 [ 77.790289][ T5189] __vfs_setxattr+0x384/0x3a0 [ 77.791079][ T5189] __vfs_setxattr_noperm+0x120/0x564 [ 77.791921][ T5189] __vfs_setxattr_locked+0x1ec/0x218 [ 77.792724][ T5189] vfs_setxattr+0x158/0x2ac [ 77.793395][ T5189] setxattr+0x278/0x2f8 [ 77.794026][ T5189] path_setxattr+0x130/0x260 [ 77.794729][ T5189] __arm64_sys_setxattr+0xbc/0xd8 [ 77.795542][ T5189] invoke_syscall+0x98/0x2b0 [ 77.796284][ T5189] el0_svc_common+0x138/0x258 [ 77.797057][ T5189] do_el0_svc+0x58/0x13c [ 77.797697][ T5189] el0_svc+0x78/0x1d0 [ 77.798271][ T5189] el0t_64_sync_handler+0xcc/0xe4 [ 77.799109][ T5189] el0t_64_sync+0x1a0/0x1a4 [ 78.046352][ T5212] loop0: detected capacity change from 0 to 32768 [ 78.052162][ T5212] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.24 (5212) [ 78.055200][ T5212] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 78.061100][ T5212] BTRFS warning (device loop0): couldn't read tree root [ 78.063458][ T5212] BTRFS warning (device loop0): couldn't read tree root [ 78.064867][ T5212] BTRFS error (device loop0): parent transid verify failed on 5255168 wanted 5 found 7 [ 78.066430][ T5212] BTRFS warning (device loop0): couldn't read tree root [ 78.074857][ T5212] FAULT_INJECTION: forcing a failure. [ 78.074857][ T5212] name failslab, interval 1, probability 0, space 0, times 0 [ 78.076979][ T5212] CPU: 1 PID: 5212 Comm: syz.0.24 Tainted: G W syzkaller #0 [ 78.078340][ T5212] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 78.079910][ T5212] Call trace: [ 78.080405][ T5212] dump_backtrace+0x0/0x458 [ 78.081103][ T5212] show_stack+0x2c/0x3c [ 78.081773][ T5212] __dump_stack+0x30/0x40 [ 78.082495][ T5212] dump_stack_lvl+0xf4/0x15c [ 78.083243][ T5212] dump_stack+0x1c/0x5c [ 78.083963][ T5212] should_fail+0x3bc/0x514 [ 78.084726][ T5212] __should_failslab+0xbc/0x10c [ 78.085502][ T5212] should_failslab+0x10/0x28 [ 78.086251][ T5212] slab_pre_alloc_hook+0x64/0xe8 [ 78.087064][ T5212] kmem_cache_alloc+0x94/0x3d4 [ 78.087901][ T5212] btrfs_alloc_tree_block+0xa3c/0x1130 [ 78.088693][ T5212] insert_new_root+0x244/0x8a4 [ 78.089447][ T5212] split_leaf+0xa44/0x1090 [ 78.090136][ T5212] btrfs_search_slot+0x1c1c/0x1f44 [ 78.090906][ T5212] btrfs_insert_empty_items+0x1d8/0x2a0 [ 78.091772][ T5212] insert_with_overflow+0xbc/0x248 [ 78.092637][ T5212] btrfs_insert_xattr_item+0x178/0x30c [ 78.093530][ T5212] btrfs_setxattr+0x3d8/0x8bc [ 78.094312][ T5212] btrfs_setxattr_trans+0xfc/0x354 [ 78.095171][ T5212] btrfs_xattr_handler_set+0xb0/0xd8 [ 78.096025][ T5212] __vfs_setxattr+0x384/0x3a0 [ 78.096736][ T5212] __vfs_setxattr_noperm+0x120/0x564 [ 78.097566][ T5212] __vfs_setxattr_locked+0x1ec/0x218 [ 78.098448][ T5212] vfs_setxattr+0x158/0x2ac [ 78.099221][ T5212] setxattr+0x278/0x2f8 [ 78.099863][ T5212] path_setxattr+0x130/0x260 [ 78.100690][ T5212] __arm64_sys_setxattr+0xbc/0xd8 [ 78.101484][ T5212] invoke_syscall+0x98/0x2b0 [ 78.102304][ T5212] el0_svc_common+0x138/0x258 [ 78.103076][ T5212] do_el0_svc+0x58/0x13c [ 78.103796][ T5212] el0_svc+0x78/0x1d0 [ 78.104446][ T5212] el0t_64_sync_handler+0xcc/0xe4 [ 78.105236][ T5212] el0t_64_sync+0x1a0/0x1a4 [ 78.146194][ T4755] ------------[ cut here ]------------ [ 78.147057][ T4755] WARNING: CPU: 0 PID: 4755 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 78.148919][ T4755] Modules linked in: [ 78.149493][ T4755] CPU: 0 PID: 4755 Comm: syz-executor Tainted: G W syzkaller #0 [ 78.150799][ T4755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 78.152303][ T4755] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 78.153578][ T4755] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 78.154791][ T4755] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x664 [ 78.155899][ T4755] sp : ffff80001f657740 [ 78.156572][ T4755] x29: ffff80001f657750 x28: dfff800000000000 x27: 1fffe00019533f0c [ 78.157814][ T4755] x26: dfff800000000000 x25: ffff80001429d110 x24: 0000000000000001 [ 78.159155][ T4755] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 78.160495][ T4755] x20: ffff0000ca99f860 x19: 0000000000000000 x18: 0000000000000000 [ 78.161798][ T4755] x17: 0000000000000000 x16: ffff80001125a830 x15: 0000000000000000 [ 78.163080][ T4755] x14: ffff700003ecaedc x13: 1ffff00003ecaedc x12: 0000000000ff0100 [ 78.164417][ T4755] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a059670 [ 78.165582][ T4755] x8 : ffff0000d6dbb680 x7 : ffff80000a058954 x6 : 0000000000000000 [ 78.166938][ T4755] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d840c [ 78.168195][ T4755] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 78.169582][ T4755] Call trace: [ 78.170096][ T4755] btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 78.171124][ T4755] btrfs_block_rsv_release+0x3f8/0x4d4 [ 78.171965][ T4755] btrfs_release_global_block_rsv+0x38/0x22c [ 78.172896][ T4755] btrfs_free_block_groups+0x7ac/0xb3c [ 78.173835][ T4755] close_ctree+0x618/0x834 [ 78.174557][ T4755] btrfs_put_super+0x40/0x50 [ 78.175290][ T4755] generic_shutdown_super+0x130/0x2f0 [ 78.176174][ T4755] kill_anon_super+0x4c/0x80 [ 78.176903][ T4755] btrfs_kill_super+0x40/0x58 [ 78.177638][ T4755] deactivate_locked_super+0xb8/0x134 [ 78.178460][ T4755] deactivate_super+0xf0/0x110 [ 78.179203][ T4755] cleanup_mnt+0x3b8/0x46c [ 78.179952][ T4755] __cleanup_mnt+0x20/0x30 [ 78.180644][ T4755] task_work_run+0x12c/0x1d8 [ 78.181357][ T4755] do_notify_resume+0x2450/0x309c [ 78.182208][ T4755] el0_svc+0xf0/0x1d0 [ 78.182853][ T4755] el0t_64_sync_handler+0xcc/0xe4 [ 78.183701][ T4755] el0t_64_sync+0x1a0/0x1a4 [ 78.184465][ T4755] irq event stamp: 334382 [ 78.185113][ T4755] hardirqs last enabled at (334381): [] kasan_quarantine_put+0xc4/0x200 [ 78.186629][ T4755] hardirqs last disabled at (334382): [] el1_dbg+0x24/0x80 [ 78.188184][ T4755] softirqs last enabled at (333832): [] handle_softirqs+0xa40/0xbe4 [ 78.189679][ T4755] softirqs last disabled at (333731): [] __irq_exit_rcu+0x240/0x43c [ 78.191164][ T4755] ---[ end trace 3d00ae5f28aa0ffa ]--- [ 78.395515][ T5233] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.25 (5233) [ 78.399759][ T5233] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 78.407998][ T5233] BTRFS warning (device loop0): couldn't read tree root [ 78.409435][ T5233] BTRFS warning (device loop0): couldn't read tree root [ 78.410769][ T5233] BTRFS warning (device loop0): couldn't read tree root [ 78.421187][ T5233] FAULT_INJECTION: forcing a failure. [ 78.421187][ T5233] name failslab, interval 1, probability 0, space 0, times 0 [ 78.423717][ T5233] CPU: 0 PID: 5233 Comm: syz.0.25 Tainted: G W syzkaller #0 [ 78.425076][ T5233] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 78.426644][ T5233] Call trace: [ 78.427146][ T5233] dump_backtrace+0x0/0x458 [ 78.427810][ T5233] show_stack+0x2c/0x3c [ 78.428439][ T5233] __dump_stack+0x30/0x40 [ 78.429104][ T5233] dump_stack_lvl+0xf4/0x15c [ 78.429807][ T5233] dump_stack+0x1c/0x5c [ 78.430493][ T5233] should_fail+0x3bc/0x514 [ 78.431166][ T5233] __should_failslab+0xbc/0x10c [ 78.431931][ T5233] should_failslab+0x10/0x28 [ 78.432742][ T5233] slab_pre_alloc_hook+0x64/0xe8 [ 78.433563][ T5233] kmem_cache_alloc+0x94/0x3d4 [ 78.434348][ T5233] btrfs_alloc_tree_block+0xa3c/0x1130 [ 78.435284][ T5233] insert_new_root+0x244/0x8a4 [ 78.436100][ T5233] split_leaf+0xa44/0x1090 [ 78.436779][ T5233] btrfs_search_slot+0x1c1c/0x1f44 [ 78.437609][ T5233] btrfs_insert_empty_items+0x1d8/0x2a0 [ 78.438466][ T5233] insert_with_overflow+0xbc/0x248 [ 78.439245][ T5233] btrfs_insert_xattr_item+0x178/0x30c [ 78.440144][ T5233] btrfs_setxattr+0x3d8/0x8bc [ 78.440912][ T5233] btrfs_setxattr_trans+0xfc/0x354 [ 78.441758][ T5233] btrfs_xattr_handler_set+0xb0/0xd8 [ 78.442577][ T5233] __vfs_setxattr+0x384/0x3a0 [ 78.443321][ T5233] __vfs_setxattr_noperm+0x120/0x564 [ 78.444197][ T5233] __vfs_setxattr_locked+0x1ec/0x218 [ 78.445077][ T5233] vfs_setxattr+0x158/0x2ac [ 78.445861][ T5233] setxattr+0x278/0x2f8 [ 78.446612][ T5233] path_setxattr+0x130/0x260 [ 78.447355][ T5233] __arm64_sys_setxattr+0xbc/0xd8 [ 78.448162][ T5233] invoke_syscall+0x98/0x2b0 [ 78.448936][ T5233] el0_svc_common+0x138/0x258 [ 78.449734][ T5233] do_el0_svc+0x58/0x13c [ 78.450424][ T5233] el0_svc+0x78/0x1d0 [ 78.451076][ T5233] el0t_64_sync_handler+0xcc/0xe4 [ 78.451845][ T5233] el0t_64_sync+0x1a0/0x1a4 [ 78.508315][ T4755] ------------[ cut here ]------------ [ 78.509198][ T4755] WARNING: CPU: 0 PID: 4755 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 78.510921][ T4755] Modules linked in: [ 78.511530][ T4755] CPU: 0 PID: 4755 Comm: syz-executor Tainted: G W syzkaller #0 [ 78.513102][ T4755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 78.514807][ T4755] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 78.515962][ T4755] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 78.516982][ T4755] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x664 [ 78.518074][ T4755] sp : ffff80001f657740 [ 78.518778][ T4755] x29: ffff80001f657750 x28: dfff800000000000 x27: 1fffe0001aeb820c [ 78.520143][ T4755] x26: dfff800000000000 x25: ffff80001429d110 x24: 0000000000000001 [ 78.521424][ T4755] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 78.522690][ T4755] x20: ffff0000d75c1060 x19: 0000000000000000 x18: 0000000000000000 [ 78.523978][ T4755] x17: ffff800016e33000 x16: ffff80001125a830 x15: 0000000000000000 [ 78.525357][ T4755] x14: ffff700003ecaedc x13: 1ffff00003ecaedc x12: 0000000000ff0100 [ 78.526716][ T4755] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a059670 [ 78.528013][ T4755] x8 : ffff0000d6dbb680 x7 : ffff80000a058954 x6 : 0000000000000000 [ 78.529209][ T4755] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d840c [ 78.530314][ T4755] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 78.531617][ T4755] Call trace: [ 78.532206][ T4755] btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 78.533221][ T4755] btrfs_block_rsv_release+0x3f8/0x4d4 [ 78.534170][ T4755] btrfs_release_global_block_rsv+0x38/0x22c [ 78.535145][ T4755] btrfs_free_block_groups+0x7ac/0xb3c [ 78.536153][ T4755] close_ctree+0x618/0x834 [ 78.536888][ T4755] btrfs_put_super+0x40/0x50 [ 78.537662][ T4755] generic_shutdown_super+0x130/0x2f0 [ 78.538591][ T4755] kill_anon_super+0x4c/0x80 [ 78.539376][ T4755] btrfs_kill_super+0x40/0x58 [ 78.540152][ T4755] deactivate_locked_super+0xb8/0x134 [ 78.541040][ T4755] deactivate_super+0xf0/0x110 [ 78.541786][ T4755] cleanup_mnt+0x3b8/0x46c [ 78.542466][ T4755] __cleanup_mnt+0x20/0x30 [ 78.543234][ T4755] task_work_run+0x12c/0x1d8 [ 78.543946][ T4755] do_notify_resume+0x2450/0x309c [ 78.544752][ T4755] el0_svc+0xf0/0x1d0 [ 78.545370][ T4755] el0t_64_sync_handler+0xcc/0xe4 [ 78.546118][ T4755] el0t_64_sync+0x1a0/0x1a4 [ 78.546784][ T4755] irq event stamp: 360614 [ 78.547405][ T4755] hardirqs last enabled at (360613): [] kasan_quarantine_put+0xc4/0x200 [ 78.548900][ T4755] hardirqs last disabled at (360614): [] el1_dbg+0x24/0x80 [ 78.550204][ T4755] softirqs last enabled at (357726): [] local_bh_enable+0x10/0x34 [ 78.551696][ T4755] softirqs last disabled at (357724): [] local_bh_disable+0x10/0x34 [ 78.553414][ T4755] ---[ end trace 3d00ae5f28aa0ffb ]--- [ 78.762909][ T5255] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.26 (5255) [ 78.768454][ T5255] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 78.777777][ T5255] BTRFS warning (device loop0): couldn't read tree root [ 78.779504][ T5255] BTRFS warning (device loop0): couldn't read tree root [ 78.780820][ T5255] BTRFS warning (device loop0): couldn't read tree root [ 78.790105][ T5255] FAULT_INJECTION: forcing a failure. [ 78.790105][ T5255] name failslab, interval 1, probability 0, space 0, times 0 [ 78.793806][ T5255] CPU: 1 PID: 5255 Comm: syz.0.26 Tainted: G W syzkaller #0 [ 78.795211][ T5255] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 78.796769][ T5255] Call trace: [ 78.797292][ T5255] dump_backtrace+0x0/0x458 [ 78.798053][ T5255] show_stack+0x2c/0x3c [ 78.798744][ T5255] __dump_stack+0x30/0x40 [ 78.799466][ T5255] dump_stack_lvl+0xf4/0x15c [ 78.800205][ T5255] dump_stack+0x1c/0x5c [ 78.800928][ T5255] should_fail+0x3bc/0x514 [ 78.801679][ T5255] __should_failslab+0xbc/0x10c [ 78.802485][ T5255] should_failslab+0x10/0x28 [ 78.803196][ T5255] slab_pre_alloc_hook+0x64/0xe8 [ 78.804011][ T5255] kmem_cache_alloc+0x94/0x3d4 [ 78.804829][ T5255] btrfs_alloc_path+0x5c/0x68 [ 78.805642][ T5255] btrfs_setxattr+0xd4/0x8bc [ 78.806439][ T5255] btrfs_setxattr_trans+0xfc/0x354 [ 78.807303][ T5255] btrfs_xattr_handler_set+0xb0/0xd8 [ 78.808186][ T5255] __vfs_setxattr+0x384/0x3a0 [ 78.808944][ T5255] __vfs_setxattr_noperm+0x120/0x564 [ 78.809802][ T5255] __vfs_setxattr_locked+0x1ec/0x218 [ 78.810691][ T5255] vfs_setxattr+0x158/0x2ac [ 78.811390][ T5255] setxattr+0x278/0x2f8 [ 78.812056][ T5255] path_setxattr+0x130/0x260 [ 78.812800][ T5255] __arm64_sys_setxattr+0xbc/0xd8 [ 78.813631][ T5255] invoke_syscall+0x98/0x2b0 [ 78.814382][ T5255] el0_svc_common+0x138/0x258 [ 78.815190][ T5255] do_el0_svc+0x58/0x13c [ 78.815860][ T5255] el0_svc+0x78/0x1d0 [ 78.816517][ T5255] el0t_64_sync_handler+0xcc/0xe4 [ 78.817344][ T5255] el0t_64_sync+0x1a0/0x1a4 [ 78.983465][ T5278] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.27 (5278) [ 78.988100][ T5278] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 78.995561][ T5278] BTRFS warning (device loop0): couldn't read tree root [ 78.996954][ T5278] BTRFS warning (device loop0): couldn't read tree root [ 78.998216][ T5278] BTRFS warning (device loop0): couldn't read tree root [ 79.006520][ T5278] FAULT_INJECTION: forcing a failure. [ 79.006520][ T5278] name failslab, interval 1, probability 0, space 0, times 0 [ 79.008365][ T5278] CPU: 1 PID: 5278 Comm: syz.0.27 Tainted: G W syzkaller #0 [ 79.009630][ T5278] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 79.011081][ T5278] Call trace: [ 79.011549][ T5278] dump_backtrace+0x0/0x458 [ 79.012371][ T5278] show_stack+0x2c/0x3c [ 79.013082][ T5278] __dump_stack+0x30/0x40 [ 79.013827][ T5278] dump_stack_lvl+0xf4/0x15c [ 79.014538][ T5278] dump_stack+0x1c/0x5c [ 79.015249][ T5278] should_fail+0x3bc/0x514 [ 79.015978][ T5278] __should_failslab+0xbc/0x10c [ 79.016723][ T5278] should_failslab+0x10/0x28 [ 79.017432][ T5278] slab_pre_alloc_hook+0x64/0xe8 [ 79.018271][ T5278] kmem_cache_alloc+0x94/0x3d4 [ 79.019057][ T5278] btrfs_alloc_tree_block+0xa3c/0x1130 [ 79.019914][ T5278] insert_new_root+0x244/0x8a4 [ 79.020759][ T5278] split_leaf+0xa44/0x1090 [ 79.021531][ T5278] btrfs_search_slot+0x1c1c/0x1f44 [ 79.022429][ T5278] btrfs_insert_empty_items+0x1d8/0x2a0 [ 79.023367][ T5278] insert_with_overflow+0xbc/0x248 [ 79.024189][ T5278] btrfs_insert_xattr_item+0x178/0x30c [ 79.025115][ T5278] btrfs_setxattr+0x3d8/0x8bc [ 79.025942][ T5278] btrfs_setxattr_trans+0xfc/0x354 [ 79.026870][ T5278] btrfs_xattr_handler_set+0xb0/0xd8 [ 79.027751][ T5278] __vfs_setxattr+0x384/0x3a0 [ 79.028566][ T5278] __vfs_setxattr_noperm+0x120/0x564 [ 79.029397][ T5278] __vfs_setxattr_locked+0x1ec/0x218 [ 79.030269][ T5278] vfs_setxattr+0x158/0x2ac [ 79.030990][ T5278] setxattr+0x278/0x2f8 [ 79.031622][ T5278] path_setxattr+0x130/0x260 [ 79.032601][ T5278] __arm64_sys_setxattr+0xbc/0xd8 [ 79.033427][ T5278] invoke_syscall+0x98/0x2b0 [ 79.034193][ T5278] el0_svc_common+0x138/0x258 [ 79.035015][ T5278] do_el0_svc+0x58/0x13c [ 79.035710][ T5278] el0_svc+0x78/0x1d0 [ 79.036292][ T5278] el0t_64_sync_handler+0xcc/0xe4 [ 79.037165][ T5278] el0t_64_sync+0x1a0/0x1a4 [ 79.079736][ T4755] ------------[ cut here ]------------ [ 79.080690][ T4755] WARNING: CPU: 1 PID: 4755 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 79.082529][ T4755] Modules linked in: [ 79.083178][ T4755] CPU: 1 PID: 4755 Comm: syz-executor Tainted: G W syzkaller #0 [ 79.084642][ T4755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 79.086311][ T4755] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.087606][ T4755] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 79.088802][ T4755] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x664 [ 79.090015][ T4755] sp : ffff80001f657740 [ 79.090719][ T4755] x29: ffff80001f657750 x28: dfff800000000000 x27: 1fffe0001b032c0c [ 79.092042][ T4755] x26: dfff800000000000 x25: ffff80001429d110 x24: 0000000000000002 [ 79.093366][ T4755] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 79.094790][ T4755] x20: ffff0000d8196060 x19: 0000000000000000 x18: 0000000000000000 [ 79.096172][ T4755] x17: 0000000000000000 x16: ffff80001125a830 x15: 0000000000000000 [ 79.097569][ T4755] x14: ffff700003ecaedc x13: 1ffff00003ecaedc x12: 0000000000ff0100 [ 79.098883][ T4755] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a059670 [ 79.100123][ T4755] x8 : ffff0000d6dbb680 x7 : ffff80000a058954 x6 : 0000000000000000 [ 79.101507][ T4755] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d840c [ 79.102837][ T4755] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 79.104073][ T4755] Call trace: [ 79.104633][ T4755] btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 79.105721][ T4755] btrfs_block_rsv_release+0x3f8/0x4d4 [ 79.106635][ T4755] btrfs_release_global_block_rsv+0x38/0x22c [ 79.107665][ T4755] btrfs_free_block_groups+0x7ac/0xb3c [ 79.108612][ T4755] close_ctree+0x618/0x834 [ 79.109374][ T4755] btrfs_put_super+0x40/0x50 [ 79.110200][ T4755] generic_shutdown_super+0x130/0x2f0 [ 79.111094][ T4755] kill_anon_super+0x4c/0x80 [ 79.111887][ T4755] btrfs_kill_super+0x40/0x58 [ 79.112645][ T4755] deactivate_locked_super+0xb8/0x134 [ 79.113390][ T4755] deactivate_super+0xf0/0x110 [ 79.114234][ T4755] cleanup_mnt+0x3b8/0x46c [ 79.115012][ T4755] __cleanup_mnt+0x20/0x30 [ 79.115784][ T4755] task_work_run+0x12c/0x1d8 [ 79.116501][ T4755] do_notify_resume+0x2450/0x309c [ 79.117330][ T4755] el0_svc+0xf0/0x1d0 [ 79.117933][ T4755] el0t_64_sync_handler+0xcc/0xe4 [ 79.118682][ T4755] el0t_64_sync+0x1a0/0x1a4 [ 79.119343][ T4755] irq event stamp: 394498 [ 79.119988][ T4755] hardirqs last enabled at (394497): [] kasan_quarantine_put+0xc4/0x200 [ 79.121679][ T4755] hardirqs last disabled at (394498): [] el1_dbg+0x24/0x80 [ 79.123224][ T4755] softirqs last enabled at (391704): [] local_bh_enable+0x10/0x34 [ 79.124836][ T4755] softirqs last disabled at (391702): [] local_bh_disable+0x10/0x34 [ 79.126346][ T4755] ---[ end trace 3d00ae5f28aa0ffc ]--- [ 79.275224][ T5300] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.28 (5300) [ 79.279824][ T5300] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 79.286275][ T5300] BTRFS warning (device loop0): couldn't read tree root [ 79.287483][ T5300] BTRFS warning (device loop0): couldn't read tree root [ 79.288751][ T5300] BTRFS warning (device loop0): couldn't read tree root [ 79.297370][ T5300] FAULT_INJECTION: forcing a failure. [ 79.297370][ T5300] name failslab, interval 1, probability 0, space 0, times 0 [ 79.299224][ T5300] CPU: 1 PID: 5300 Comm: syz.0.28 Tainted: G W syzkaller #0 [ 79.300406][ T5300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 79.301813][ T5300] Call trace: [ 79.302362][ T5300] dump_backtrace+0x0/0x458 [ 79.303099][ T5300] show_stack+0x2c/0x3c [ 79.303742][ T5300] __dump_stack+0x30/0x40 [ 79.304440][ T5300] dump_stack_lvl+0xf4/0x15c [ 79.305105][ T5300] dump_stack+0x1c/0x5c [ 79.305774][ T5300] should_fail+0x3bc/0x514 [ 79.306495][ T5300] __should_failslab+0xbc/0x10c [ 79.307226][ T5300] should_failslab+0x10/0x28 [ 79.307888][ T5300] slab_pre_alloc_hook+0x64/0xe8 [ 79.308606][ T5300] kmem_cache_alloc+0x94/0x3d4 [ 79.309289][ T5300] btrfs_alloc_tree_block+0xa3c/0x1130 [ 79.310086][ T5300] insert_new_root+0x244/0x8a4 [ 79.310802][ T5300] split_leaf+0xa44/0x1090 [ 79.311450][ T5300] btrfs_search_slot+0x1c1c/0x1f44 [ 79.312296][ T5300] btrfs_insert_empty_items+0x1d8/0x2a0 [ 79.313250][ T5300] insert_with_overflow+0xbc/0x248 [ 79.314080][ T5300] btrfs_insert_xattr_item+0x178/0x30c [ 79.314968][ T5300] btrfs_setxattr+0x3d8/0x8bc [ 79.315654][ T5300] btrfs_setxattr_trans+0xfc/0x354 [ 79.316399][ T5300] btrfs_xattr_handler_set+0xb0/0xd8 [ 79.317234][ T5300] __vfs_setxattr+0x384/0x3a0 [ 79.317976][ T5300] __vfs_setxattr_noperm+0x120/0x564 [ 79.318863][ T5300] __vfs_setxattr_locked+0x1ec/0x218 [ 79.319756][ T5300] vfs_setxattr+0x158/0x2ac [ 79.320516][ T5300] setxattr+0x278/0x2f8 [ 79.321216][ T5300] path_setxattr+0x130/0x260 [ 79.322011][ T5300] __arm64_sys_setxattr+0xbc/0xd8 [ 79.322762][ T5300] invoke_syscall+0x98/0x2b0 [ 79.323425][ T5300] el0_svc_common+0x138/0x258 [ 79.324241][ T5300] do_el0_svc+0x58/0x13c [ 79.324921][ T5300] el0_svc+0x78/0x1d0 [ 79.325539][ T5300] el0t_64_sync_handler+0xcc/0xe4 [ 79.326407][ T5300] el0t_64_sync+0x1a0/0x1a4 [ 79.368568][ T4755] ------------[ cut here ]------------ [ 79.369508][ T4755] WARNING: CPU: 0 PID: 4755 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 79.371140][ T4755] Modules linked in: [ 79.371744][ T4755] CPU: 0 PID: 4755 Comm: syz-executor Tainted: G W syzkaller #0 [ 79.373158][ T4755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 79.374583][ T4755] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.375713][ T4755] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 79.376747][ T4755] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x664 [ 79.377730][ T4755] sp : ffff80001f657740 [ 79.378299][ T4755] x29: ffff80001f657750 x28: dfff800000000000 x27: 1fffe00019e2280c [ 79.379507][ T4755] x26: dfff800000000000 x25: ffff80001429d110 x24: 0000000000000001 [ 79.380680][ T4755] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 79.381824][ T4755] x20: ffff0000cf114060 x19: 0000000000000000 x18: 0000000000000000 [ 79.383018][ T4755] x17: 0000000000000000 x16: ffff80001125a830 x15: 0000000000000000 [ 79.384174][ T4755] x14: ffff700003ecaedc x13: 1ffff00003ecaedc x12: 0000000000ff0100 [ 79.385398][ T4755] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a059670 [ 79.386610][ T4755] x8 : ffff0000d6dbb680 x7 : ffff80000a058954 x6 : 0000000000000000 [ 79.387767][ T4755] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d840c [ 79.389039][ T4755] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 79.390269][ T4755] Call trace: [ 79.390754][ T4755] btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 79.391761][ T4755] btrfs_block_rsv_release+0x3f8/0x4d4 [ 79.392559][ T4755] btrfs_release_global_block_rsv+0x38/0x22c [ 79.393403][ T4755] btrfs_free_block_groups+0x7ac/0xb3c [ 79.394198][ T4755] close_ctree+0x618/0x834 [ 79.394827][ T4755] btrfs_put_super+0x40/0x50 [ 79.395517][ T4755] generic_shutdown_super+0x130/0x2f0 [ 79.396331][ T4755] kill_anon_super+0x4c/0x80 [ 79.397095][ T4755] btrfs_kill_super+0x40/0x58 [ 79.397770][ T4755] deactivate_locked_super+0xb8/0x134 [ 79.398593][ T4755] deactivate_super+0xf0/0x110 [ 79.399367][ T4755] cleanup_mnt+0x3b8/0x46c [ 79.400050][ T4755] __cleanup_mnt+0x20/0x30 [ 79.400724][ T4755] task_work_run+0x12c/0x1d8 [ 79.401504][ T4755] do_notify_resume+0x2450/0x309c [ 79.402343][ T4755] el0_svc+0xf0/0x1d0 [ 79.402962][ T4755] el0t_64_sync_handler+0xcc/0xe4 [ 79.403723][ T4755] el0t_64_sync+0x1a0/0x1a4 [ 79.404422][ T4755] irq event stamp: 402068 [ 79.405115][ T4755] hardirqs last enabled at (402067): [] kasan_quarantine_put+0xc4/0x200 [ 79.406730][ T4755] hardirqs last disabled at (402068): [] el1_dbg+0x24/0x80 [ 79.408106][ T4755] softirqs last enabled at (399624): [] local_bh_enable+0x10/0x34 [ 79.409578][ T4755] softirqs last disabled at (399622): [] local_bh_disable+0x10/0x34 [ 79.410981][ T4755] ---[ end trace 3d00ae5f28aa0ffd ]--- [ 79.590092][ T5322] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.29 (5322) [ 79.594742][ T5322] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 79.601881][ T5322] BTRFS warning (device loop0): couldn't read tree root [ 79.603421][ T5322] BTRFS warning (device loop0): couldn't read tree root [ 79.604721][ T5322] BTRFS warning (device loop0): couldn't read tree root [ 79.614483][ T5322] FAULT_INJECTION: forcing a failure. [ 79.614483][ T5322] name failslab, interval 1, probability 0, space 0, times 0 [ 79.616483][ T5322] CPU: 1 PID: 5322 Comm: syz.0.29 Tainted: G W syzkaller #0 [ 79.617733][ T5322] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 79.619205][ T5322] Call trace: [ 79.619697][ T5322] dump_backtrace+0x0/0x458 [ 79.620364][ T5322] show_stack+0x2c/0x3c [ 79.621033][ T5322] __dump_stack+0x30/0x40 [ 79.621660][ T5322] dump_stack_lvl+0xf4/0x15c [ 79.622390][ T5322] dump_stack+0x1c/0x5c [ 79.623008][ T5322] should_fail+0x3bc/0x514 [ 79.623745][ T5322] __should_failslab+0xbc/0x10c [ 79.624558][ T5322] should_failslab+0x10/0x28 [ 79.625362][ T5322] slab_pre_alloc_hook+0x64/0xe8 [ 79.626198][ T5322] kmem_cache_alloc+0x94/0x3d4 [ 79.627024][ T5322] btrfs_alloc_tree_block+0xa3c/0x1130 [ 79.627941][ T5322] insert_new_root+0x244/0x8a4 [ 79.628733][ T5322] split_leaf+0xa44/0x1090 [ 79.629475][ T5322] btrfs_search_slot+0x1c1c/0x1f44 [ 79.630357][ T5322] btrfs_insert_empty_items+0x1d8/0x2a0 [ 79.631303][ T5322] insert_with_overflow+0xbc/0x248 [ 79.632073][ T5322] btrfs_insert_xattr_item+0x178/0x30c [ 79.632901][ T5322] btrfs_setxattr+0x3d8/0x8bc [ 79.633639][ T5322] btrfs_setxattr_trans+0xfc/0x354 [ 79.634457][ T5322] btrfs_xattr_handler_set+0xb0/0xd8 [ 79.635263][ T5322] __vfs_setxattr+0x384/0x3a0 [ 79.636077][ T5322] __vfs_setxattr_noperm+0x120/0x564 [ 79.636889][ T5322] __vfs_setxattr_locked+0x1ec/0x218 [ 79.637771][ T5322] vfs_setxattr+0x158/0x2ac [ 79.638459][ T5322] setxattr+0x278/0x2f8 [ 79.639236][ T5322] path_setxattr+0x130/0x260 [ 79.640045][ T5322] __arm64_sys_setxattr+0xbc/0xd8 [ 79.640912][ T5322] invoke_syscall+0x98/0x2b0 [ 79.641647][ T5322] el0_svc_common+0x138/0x258 [ 79.642458][ T5322] do_el0_svc+0x58/0x13c [ 79.643182][ T5322] el0_svc+0x78/0x1d0 [ 79.643857][ T5322] el0t_64_sync_handler+0xcc/0xe4 [ 79.644756][ T5322] el0t_64_sync+0x1a0/0x1a4 [ 79.683656][ T4755] ------------[ cut here ]------------ [ 79.684691][ T4755] WARNING: CPU: 0 PID: 4755 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 79.686648][ T4755] Modules linked in: [ 79.687235][ T4755] CPU: 0 PID: 4755 Comm: syz-executor Tainted: G W syzkaller #0 [ 79.688495][ T4755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 79.690221][ T4755] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.691485][ T4755] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 79.692529][ T4755] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x664 [ 79.693562][ T4755] sp : ffff80001f657740 [ 79.694208][ T4755] x29: ffff80001f657750 x28: dfff800000000000 x27: 1fffe00018b9e00c [ 79.695592][ T4755] x26: dfff800000000000 x25: ffff80001429d110 x24: 0000000000000001 [ 79.696910][ T4755] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 79.698251][ T4755] x20: ffff0000c5cf0060 x19: 0000000000000000 x18: 0000000000000000 [ 79.699500][ T4755] x17: 0000000000000000 x16: ffff80001125a830 x15: 0000000000000000 [ 79.700799][ T4755] x14: ffff700003ecaedc x13: 1ffff00003ecaedc x12: 0000000000ff0100 [ 79.702072][ T4755] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a059670 [ 79.703425][ T4755] x8 : ffff0000d6dbb680 x7 : ffff80000a058954 x6 : 0000000000000000 [ 79.704677][ T4755] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d840c [ 79.705861][ T4755] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 79.707098][ T4755] Call trace: [ 79.707648][ T4755] btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 79.708838][ T4755] btrfs_block_rsv_release+0x3f8/0x4d4 [ 79.709556][ T4755] btrfs_release_global_block_rsv+0x38/0x22c [ 79.710353][ T4755] btrfs_free_block_groups+0x7ac/0xb3c [ 79.711104][ T4755] close_ctree+0x618/0x834 [ 79.711824][ T4755] btrfs_put_super+0x40/0x50 [ 79.712603][ T4755] generic_shutdown_super+0x130/0x2f0 [ 79.713529][ T4755] kill_anon_super+0x4c/0x80 [ 79.714343][ T4755] btrfs_kill_super+0x40/0x58 [ 79.715037][ T4755] deactivate_locked_super+0xb8/0x134 [ 79.715917][ T4755] deactivate_super+0xf0/0x110 [ 79.716674][ T4755] cleanup_mnt+0x3b8/0x46c [ 79.717415][ T4755] __cleanup_mnt+0x20/0x30 [ 79.718089][ T4755] task_work_run+0x12c/0x1d8 [ 79.718800][ T4755] do_notify_resume+0x2450/0x309c [ 79.719614][ T4755] el0_svc+0xf0/0x1d0 [ 79.720323][ T4755] el0t_64_sync_handler+0xcc/0xe4 [ 79.721171][ T4755] el0t_64_sync+0x1a0/0x1a4 [ 79.721915][ T4755] irq event stamp: 428214 [ 79.722594][ T4755] hardirqs last enabled at (428213): [] kasan_quarantine_put+0xc4/0x200 [ 79.724291][ T4755] hardirqs last disabled at (428214): [] el1_dbg+0x24/0x80 [ 79.725724][ T4755] softirqs last enabled at (426498): [] handle_softirqs+0xa40/0xbe4 [ 79.727308][ T4755] softirqs last disabled at (426339): [] __irq_exit_rcu+0x240/0x43c [ 79.728769][ T4755] ---[ end trace 3d00ae5f28aa0ffe ]--- 1970/01/01 00:01:19 executed programs: 17 [ 79.922901][ T5343] set_capacity_and_notify: 5 callbacks suppressed [ 79.922910][ T5343] loop0: detected capacity change from 0 to 32768 [ 79.963077][ T5343] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.30 (5343) [ 79.968133][ T5343] btrfs_printk: 155 callbacks suppressed [ 79.968146][ T5343] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 79.970529][ T5343] BTRFS info (device loop0): metadata ratio 4 [ 79.971440][ T5343] BTRFS info (device loop0): setting incompat feature flag for COMPRESS_LZO (0x8) [ 79.974162][ T5343] BTRFS info (device loop0): force lzo compression, level 0 [ 79.975376][ T5343] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 79.977005][ T5343] BTRFS info (device loop0): trying to use backup root at mount time [ 79.978381][ T5343] BTRFS info (device loop0): enabling auto defrag [ 79.979454][ T5343] BTRFS info (device loop0): setting nodatacow [ 79.980467][ T5343] BTRFS info (device loop0): disabling tree log [ 79.981477][ T5343] BTRFS info (device loop0): using free space tree [ 79.982544][ T5343] BTRFS info (device loop0): has skinny extents [ 79.988182][ T1643] validate_extent_buffer: 20 callbacks suppressed [ 79.988192][ T1643] BTRFS warning (device loop0): checksum verify failed on 5332992 wanted 0x0a5e5d25 found 0x26333c6f level 0 [ 79.991304][ T5343] BTRFS warning (device loop0): couldn't read tree root [ 79.992723][ T1643] BTRFS warning (device loop0): checksum verify failed on 5324800 wanted 0x9f73850b found 0x78ca8373 level 0 [ 79.994550][ T5343] BTRFS warning (device loop0): couldn't read tree root [ 79.995895][ T5343] verify_parent_transid: 5 callbacks suppressed [ 79.995902][ T5343] BTRFS error (device loop0): parent transid verify failed on 5255168 wanted 5 found 7 [ 79.998663][ T5343] BTRFS warning (device loop0): couldn't read tree root [ 80.012020][ T5343] BTRFS info (device loop0): enabling ssd optimizations [ 80.013456][ T5343] BTRFS info (device loop0): clearing free space tree [ 80.014463][ T5343] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 80.016010][ T5343] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 80.019408][ T5343] BTRFS info (device loop0): creating free space tree [ 80.020788][ T5343] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 80.023840][ T5343] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 80.027915][ T5343] FAULT_INJECTION: forcing a failure. [ 80.027915][ T5343] name failslab, interval 1, probability 0, space 0, times 0 [ 80.029818][ T5343] CPU: 1 PID: 5343 Comm: syz.0.30 Tainted: G W syzkaller #0 [ 80.031111][ T5343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 80.032772][ T5343] Call trace: [ 80.033267][ T5343] dump_backtrace+0x0/0x458 [ 80.034116][ T5343] show_stack+0x2c/0x3c [ 80.034847][ T5343] __dump_stack+0x30/0x40 [ 80.035585][ T5343] dump_stack_lvl+0xf4/0x15c [ 80.036323][ T5343] dump_stack+0x1c/0x5c [ 80.036993][ T5343] should_fail+0x3bc/0x514 [ 80.037713][ T5343] __should_failslab+0xbc/0x10c [ 80.038531][ T5343] should_failslab+0x10/0x28 [ 80.039292][ T5343] slab_pre_alloc_hook+0x64/0xe8 [ 80.040208][ T5343] kmem_cache_alloc+0x94/0x3d4 [ 80.041019][ T5343] alloc_extent_state+0x38/0x42c [ 80.041827][ T5343] set_extent_bit+0x1b0/0x1378 [ 80.042621][ T5343] btrfs_alloc_tree_block+0x998/0x1130 [ 80.043541][ T5343] insert_new_root+0x244/0x8a4 [ 80.044442][ T5343] split_leaf+0xa44/0x1090 [ 80.045154][ T5343] btrfs_search_slot+0x1c1c/0x1f44 [ 80.045983][ T5343] btrfs_insert_empty_items+0x1d8/0x2a0 [ 80.046891][ T5343] insert_with_overflow+0xbc/0x248 [ 80.047694][ T5343] btrfs_insert_xattr_item+0x178/0x30c [ 80.048578][ T5343] btrfs_setxattr+0x3d8/0x8bc [ 80.049265][ T5343] btrfs_setxattr_trans+0xfc/0x354 [ 80.050095][ T5343] btrfs_xattr_handler_set+0xb0/0xd8 [ 80.051002][ T5343] __vfs_setxattr+0x384/0x3a0 [ 80.051841][ T5343] __vfs_setxattr_noperm+0x120/0x564 [ 80.052717][ T5343] __vfs_setxattr_locked+0x1ec/0x218 [ 80.053559][ T5343] vfs_setxattr+0x158/0x2ac [ 80.054268][ T5343] setxattr+0x278/0x2f8 [ 80.055044][ T5343] path_setxattr+0x130/0x260 [ 80.055805][ T5343] __arm64_sys_setxattr+0xbc/0xd8 [ 80.056606][ T5343] invoke_syscall+0x98/0x2b0 [ 80.057345][ T5343] el0_svc_common+0x138/0x258 [ 80.058047][ T5343] do_el0_svc+0x58/0x13c [ 80.058769][ T5343] el0_svc+0x78/0x1d0 [ 80.059393][ T5343] el0t_64_sync_handler+0xcc/0xe4 [ 80.060192][ T5343] el0t_64_sync+0x1a0/0x1a4 [ 80.204037][ T5365] loop0: detected capacity change from 0 to 32768 [ 80.286763][ T5365] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.31 (5365) [ 80.290452][ T5365] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 80.292373][ T5365] BTRFS info (device loop0): metadata ratio 4 [ 80.293247][ T5365] BTRFS info (device loop0): setting incompat feature flag for COMPRESS_LZO (0x8) [ 80.294748][ T5365] BTRFS info (device loop0): force lzo compression, level 0 [ 80.295861][ T5365] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 80.297641][ T5365] BTRFS info (device loop0): trying to use backup root at mount time [ 80.298897][ T5365] BTRFS info (device loop0): enabling auto defrag [ 80.301485][ T5365] BTRFS info (device loop0): setting nodatacow [ 80.303089][ T5365] BTRFS info (device loop0): disabling tree log [ 80.304148][ T5365] BTRFS info (device loop0): using free space tree [ 80.305159][ T5365] BTRFS info (device loop0): has skinny extents [ 80.310901][ T136] BTRFS warning (device loop0): checksum verify failed on 5332992 wanted 0x0a5e5d25 found 0x26333c6f level 0 [ 80.313729][ T5365] BTRFS warning (device loop0): couldn't read tree root [ 80.314964][ T148] BTRFS warning (device loop0): checksum verify failed on 5324800 wanted 0x9f73850b found 0x78ca8373 level 0 [ 80.316866][ T5365] BTRFS warning (device loop0): couldn't read tree root [ 80.318124][ T5365] BTRFS error (device loop0): parent transid verify failed on 5255168 wanted 5 found 7 [ 80.319588][ T5365] BTRFS warning (device loop0): couldn't read tree root [ 80.331961][ T5365] BTRFS info (device loop0): enabling ssd optimizations [ 80.333473][ T5365] BTRFS info (device loop0): clearing free space tree [ 80.334511][ T5365] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 80.335949][ T5365] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 80.339205][ T5365] BTRFS info (device loop0): creating free space tree [ 80.340550][ T5365] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 80.342988][ T5365] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 80.347224][ T5365] FAULT_INJECTION: forcing a failure. [ 80.347224][ T5365] name failslab, interval 1, probability 0, space 0, times 0 [ 80.349146][ T5365] CPU: 0 PID: 5365 Comm: syz.0.31 Tainted: G W syzkaller #0 [ 80.350496][ T5365] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 80.352039][ T5365] Call trace: [ 80.352563][ T5365] dump_backtrace+0x0/0x458 [ 80.353358][ T5365] show_stack+0x2c/0x3c [ 80.354018][ T5365] __dump_stack+0x30/0x40 [ 80.354688][ T5365] dump_stack_lvl+0xf4/0x15c [ 80.355410][ T5365] dump_stack+0x1c/0x5c [ 80.356034][ T5365] should_fail+0x3bc/0x514 [ 80.356700][ T5365] __should_failslab+0xbc/0x10c [ 80.357476][ T5365] should_failslab+0x10/0x28 [ 80.358182][ T5365] slab_pre_alloc_hook+0x64/0xe8 [ 80.358938][ T5365] kmem_cache_alloc+0x94/0x3d4 [ 80.359743][ T5365] btrfs_alloc_tree_block+0xa3c/0x1130 [ 80.360571][ T5365] insert_new_root+0x244/0x8a4 [ 80.361410][ T5365] split_leaf+0xa44/0x1090 [ 80.362164][ T5365] btrfs_search_slot+0x1c1c/0x1f44 [ 80.363035][ T5365] btrfs_insert_empty_items+0x1d8/0x2a0 [ 80.364000][ T5365] insert_with_overflow+0xbc/0x248 [ 80.364816][ T5365] btrfs_insert_xattr_item+0x178/0x30c [ 80.365718][ T5365] btrfs_setxattr+0x3d8/0x8bc [ 80.366496][ T5365] btrfs_setxattr_trans+0xfc/0x354 [ 80.367340][ T5365] btrfs_xattr_handler_set+0xb0/0xd8 [ 80.368185][ T5365] __vfs_setxattr+0x384/0x3a0 [ 80.368939][ T5365] __vfs_setxattr_noperm+0x120/0x564 [ 80.369715][ T5365] __vfs_setxattr_locked+0x1ec/0x218 [ 80.370569][ T5365] vfs_setxattr+0x158/0x2ac [ 80.371291][ T5365] setxattr+0x278/0x2f8 [ 80.371900][ T5365] path_setxattr+0x130/0x260 [ 80.372619][ T5365] __arm64_sys_setxattr+0xbc/0xd8 [ 80.373392][ T5365] invoke_syscall+0x98/0x2b0 [ 80.374147][ T5365] el0_svc_common+0x138/0x258 [ 80.374924][ T5365] do_el0_svc+0x58/0x13c [ 80.375596][ T5365] el0_svc+0x78/0x1d0 [ 80.376244][ T5365] el0t_64_sync_handler+0xcc/0xe4 [ 80.376967][ T5365] el0t_64_sync+0x1a0/0x1a4 [ 80.415521][ T4755] ------------[ cut here ]------------ [ 80.416525][ T4755] WARNING: CPU: 1 PID: 4755 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 80.418460][ T4755] Modules linked in: [ 80.419063][ T4755] CPU: 1 PID: 4755 Comm: syz-executor Tainted: G W syzkaller #0 [ 80.420493][ T4755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 80.422106][ T4755] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 80.423425][ T4755] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 80.424638][ T4755] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x664 [ 80.425651][ T4755] sp : ffff80001f657740 [ 80.426229][ T4755] x29: ffff80001f657750 x28: dfff800000000000 x27: 1fffe0001839140c [ 80.427433][ T4755] x26: dfff800000000000 x25: ffff80001429d110 x24: 0000000000000002 [ 80.428616][ T4755] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 80.429987][ T4755] x20: ffff0000c1c8a060 x19: 0000000000000000 x18: 0000000000000000 [ 80.431152][ T4755] x17: 0000000000000000 x16: ffff80001125a830 x15: 0000000000000000 [ 80.432488][ T4755] x14: ffff700003ecaedc x13: 1ffff00003ecaedc x12: 0000000000ff0100 [ 80.433758][ T4755] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a059670 [ 80.435067][ T4755] x8 : ffff0000d6dbb680 x7 : ffff80000a058954 x6 : 0000000000000000 [ 80.436282][ T4755] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d840c [ 80.437523][ T4755] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 80.438794][ T4755] Call trace: [ 80.439307][ T4755] btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 80.440338][ T4755] btrfs_block_rsv_release+0x3f8/0x4d4 [ 80.441127][ T4755] btrfs_release_global_block_rsv+0x38/0x22c [ 80.442018][ T4755] btrfs_free_block_groups+0x7ac/0xb3c [ 80.442881][ T4755] close_ctree+0x618/0x834 [ 80.443557][ T4755] btrfs_put_super+0x40/0x50 [ 80.444266][ T4755] generic_shutdown_super+0x130/0x2f0 [ 80.445088][ T4755] kill_anon_super+0x4c/0x80 [ 80.445788][ T4755] btrfs_kill_super+0x40/0x58 [ 80.446570][ T4755] deactivate_locked_super+0xb8/0x134 [ 80.447373][ T4755] deactivate_super+0xf0/0x110 [ 80.448053][ T4755] cleanup_mnt+0x3b8/0x46c [ 80.448678][ T4755] __cleanup_mnt+0x20/0x30 [ 80.449360][ T4755] task_work_run+0x12c/0x1d8 [ 80.449995][ T4755] do_notify_resume+0x2450/0x309c [ 80.450770][ T4755] el0_svc+0xf0/0x1d0 [ 80.451446][ T4755] el0t_64_sync_handler+0xcc/0xe4 [ 80.452314][ T4755] el0t_64_sync+0x1a0/0x1a4 [ 80.453073][ T4755] irq event stamp: 463718 [ 80.453816][ T4755] hardirqs last enabled at (463717): [] kasan_quarantine_put+0xc4/0x200 [ 80.455526][ T4755] hardirqs last disabled at (463718): [] el1_dbg+0x24/0x80 [ 80.456963][ T4755] softirqs last enabled at (460806): [] local_bh_enable+0x10/0x34 [ 80.458534][ T4755] softirqs last disabled at (460804): [] local_bh_disable+0x10/0x34 [ 80.460128][ T4755] ---[ end trace 3d00ae5f28aa0fff ]--- [ 80.616598][ T5387] loop0: detected capacity change from 0 to 32768 [ 80.663076][ T5387] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.32 (5387) [ 80.666207][ T5387] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 80.668126][ T5387] BTRFS info (device loop0): metadata ratio 4 [ 80.669178][ T5387] BTRFS info (device loop0): setting incompat feature flag for COMPRESS_LZO (0x8) [ 80.670591][ T5387] BTRFS info (device loop0): force lzo compression, level 0 [ 80.672396][ T5387] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 80.674008][ T5387] BTRFS info (device loop0): trying to use backup root at mount time [ 80.675318][ T5387] BTRFS info (device loop0): enabling auto defrag [ 80.676420][ T5387] BTRFS info (device loop0): setting nodatacow [ 80.677336][ T5387] BTRFS info (device loop0): disabling tree log [ 80.678329][ T5387] BTRFS info (device loop0): using free space tree [ 80.679291][ T5387] BTRFS info (device loop0): has skinny extents [ 80.685502][ T136] BTRFS warning (device loop0): checksum verify failed on 5332992 wanted 0x0a5e5d25 found 0x26333c6f level 0 [ 80.687491][ T5387] BTRFS warning (device loop0): couldn't read tree root [ 80.688784][ T136] BTRFS warning (device loop0): checksum verify failed on 5324800 wanted 0x9f73850b found 0x78ca8373 level 0 [ 80.690690][ T5387] BTRFS warning (device loop0): couldn't read tree root [ 80.692780][ T5387] BTRFS error (device loop0): parent transid verify failed on 5255168 wanted 5 found 7 [ 80.694303][ T5387] BTRFS warning (device loop0): couldn't read tree root [ 80.697576][ T5387] BTRFS info (device loop0): enabling ssd optimizations [ 80.698880][ T5387] BTRFS info (device loop0): clearing free space tree [ 80.700024][ T5387] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 80.701577][ T5387] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 80.705649][ T5387] BTRFS info (device loop0): creating free space tree [ 80.707045][ T5387] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 80.708614][ T5387] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 80.713402][ T5387] FAULT_INJECTION: forcing a failure. [ 80.713402][ T5387] name failslab, interval 1, probability 0, space 0, times 0 [ 80.715525][ T5387] CPU: 1 PID: 5387 Comm: syz.0.32 Tainted: G W syzkaller #0 [ 80.716887][ T5387] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 80.718611][ T5387] Call trace: [ 80.719086][ T5387] dump_backtrace+0x0/0x458 [ 80.719864][ T5387] show_stack+0x2c/0x3c [ 80.720515][ T5387] __dump_stack+0x30/0x40 [ 80.721169][ T5387] dump_stack_lvl+0xf4/0x15c [ 80.721976][ T5387] dump_stack+0x1c/0x5c [ 80.722727][ T5387] should_fail+0x3bc/0x514 [ 80.723430][ T5387] __should_failslab+0xbc/0x10c [ 80.724163][ T5387] should_failslab+0x10/0x28 [ 80.724870][ T5387] slab_pre_alloc_hook+0x64/0xe8 [ 80.725668][ T5387] kmem_cache_alloc+0x94/0x3d4 [ 80.726409][ T5387] alloc_extent_state+0x38/0x42c [ 80.727199][ T5387] set_extent_bit+0x1b0/0x1378 [ 80.727924][ T5387] btrfs_alloc_tree_block+0x998/0x1130 [ 80.728740][ T5387] insert_new_root+0x244/0x8a4 [ 80.729555][ T5387] split_leaf+0xa44/0x1090 [ 80.730283][ T5387] btrfs_search_slot+0x1c1c/0x1f44 [ 80.731177][ T5387] btrfs_insert_empty_items+0x1d8/0x2a0 [ 80.732105][ T5387] insert_with_overflow+0xbc/0x248 [ 80.732980][ T5387] btrfs_insert_xattr_item+0x178/0x30c [ 80.733937][ T5387] btrfs_setxattr+0x3d8/0x8bc [ 80.734706][ T5387] btrfs_setxattr_trans+0xfc/0x354 [ 80.735546][ T5387] btrfs_xattr_handler_set+0xb0/0xd8 [ 80.736504][ T5387] __vfs_setxattr+0x384/0x3a0 [ 80.737346][ T5387] __vfs_setxattr_noperm+0x120/0x564 [ 80.738301][ T5387] __vfs_setxattr_locked+0x1ec/0x218 [ 80.739227][ T5387] vfs_setxattr+0x158/0x2ac [ 80.740080][ T5387] setxattr+0x278/0x2f8 [ 80.740782][ T5387] path_setxattr+0x130/0x260 [ 80.741549][ T5387] __arm64_sys_setxattr+0xbc/0xd8 [ 80.742379][ T5387] invoke_syscall+0x98/0x2b0 [ 80.743161][ T5387] el0_svc_common+0x138/0x258 [ 80.743951][ T5387] do_el0_svc+0x58/0x13c [ 80.744672][ T5387] el0_svc+0x78/0x1d0 [ 80.745263][ T5387] el0t_64_sync_handler+0xcc/0xe4 [ 80.746095][ T5387] el0t_64_sync+0x1a0/0x1a4 [ 80.892322][ T5409] loop0: detected capacity change from 0 to 32768 [ 80.943872][ T5409] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.33 (5409) [ 80.952943][ T5409] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 80.954404][ T5409] BTRFS info (device loop0): metadata ratio 4 [ 80.955315][ T5409] BTRFS info (device loop0): setting incompat feature flag for COMPRESS_LZO (0x8) [ 80.956686][ T5409] BTRFS info (device loop0): force lzo compression, level 0 [ 80.957767][ T5409] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 80.959268][ T5409] BTRFS info (device loop0): trying to use backup root at mount time [ 80.960441][ T5409] BTRFS info (device loop0): enabling auto defrag [ 80.961353][ T5409] BTRFS info (device loop0): setting nodatacow [ 80.962730][ T5409] BTRFS info (device loop0): disabling tree log [ 80.963632][ T5409] BTRFS info (device loop0): using free space tree [ 80.964593][ T5409] BTRFS info (device loop0): has skinny extents [ 80.970482][ T148] BTRFS warning (device loop0): checksum verify failed on 5332992 wanted 0x0a5e5d25 found 0x26333c6f level 0 [ 80.972620][ T5409] BTRFS warning (device loop0): couldn't read tree root [ 80.973808][ T148] BTRFS warning (device loop0): checksum verify failed on 5324800 wanted 0x9f73850b found 0x78ca8373 level 0 [ 80.975720][ T5409] BTRFS warning (device loop0): couldn't read tree root [ 80.977010][ T5409] BTRFS error (device loop0): parent transid verify failed on 5255168 wanted 5 found 7 [ 80.978582][ T5409] BTRFS warning (device loop0): couldn't read tree root [ 80.981925][ T5409] BTRFS info (device loop0): enabling ssd optimizations [ 80.983422][ T5409] BTRFS info (device loop0): clearing free space tree [ 80.984446][ T5409] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 80.985936][ T5409] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 80.989254][ T5409] BTRFS info (device loop0): creating free space tree [ 80.990552][ T5409] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 80.992199][ T5409] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 80.996250][ T5409] FAULT_INJECTION: forcing a failure. [ 80.996250][ T5409] name failslab, interval 1, probability 0, space 0, times 0 [ 80.998299][ T5409] CPU: 1 PID: 5409 Comm: syz.0.33 Tainted: G W syzkaller #0 [ 80.999623][ T5409] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 81.001164][ T5409] Call trace: [ 81.001708][ T5409] dump_backtrace+0x0/0x458 [ 81.002412][ T5409] show_stack+0x2c/0x3c [ 81.003052][ T5409] __dump_stack+0x30/0x40 [ 81.003803][ T5409] dump_stack_lvl+0xf4/0x15c [ 81.004554][ T5409] dump_stack+0x1c/0x5c [ 81.005251][ T5409] should_fail+0x3bc/0x514 [ 81.005900][ T5409] __should_failslab+0xbc/0x10c [ 81.006663][ T5409] should_failslab+0x10/0x28 [ 81.007441][ T5409] slab_pre_alloc_hook+0x64/0xe8 [ 81.008216][ T5409] kmem_cache_alloc+0x94/0x3d4 [ 81.008954][ T5409] btrfs_alloc_tree_block+0xa3c/0x1130 [ 81.009835][ T5409] insert_new_root+0x244/0x8a4 [ 81.010614][ T5409] split_leaf+0xa44/0x1090 [ 81.011364][ T5409] btrfs_search_slot+0x1c1c/0x1f44 [ 81.012202][ T5409] btrfs_insert_empty_items+0x1d8/0x2a0 [ 81.013044][ T5409] insert_with_overflow+0xbc/0x248 [ 81.013853][ T5409] btrfs_insert_xattr_item+0x178/0x30c [ 81.014642][ T5409] btrfs_setxattr+0x3d8/0x8bc [ 81.015354][ T5409] btrfs_setxattr_trans+0xfc/0x354 [ 81.016194][ T5409] btrfs_xattr_handler_set+0xb0/0xd8 [ 81.017018][ T5409] __vfs_setxattr+0x384/0x3a0 [ 81.017724][ T5409] __vfs_setxattr_noperm+0x120/0x564 [ 81.018609][ T5409] __vfs_setxattr_locked+0x1ec/0x218 [ 81.019489][ T5409] vfs_setxattr+0x158/0x2ac [ 81.020218][ T5409] setxattr+0x278/0x2f8 [ 81.020869][ T5409] path_setxattr+0x130/0x260 [ 81.021655][ T5409] __arm64_sys_setxattr+0xbc/0xd8 [ 81.022420][ T5409] invoke_syscall+0x98/0x2b0 [ 81.023099][ T5409] el0_svc_common+0x138/0x258 [ 81.023794][ T5409] do_el0_svc+0x58/0x13c [ 81.024479][ T5409] el0_svc+0x78/0x1d0 [ 81.025110][ T5409] el0t_64_sync_handler+0xcc/0xe4 [ 81.025901][ T5409] el0t_64_sync+0x1a0/0x1a4 [ 81.060679][ T4755] ------------[ cut here ]------------ [ 81.061490][ T4755] WARNING: CPU: 0 PID: 4755 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 81.063438][ T4755] Modules linked in: [ 81.064048][ T4755] CPU: 0 PID: 4755 Comm: syz-executor Tainted: G W syzkaller #0 [ 81.065532][ T4755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 81.067138][ T4755] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 81.068351][ T4755] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 81.069486][ T4755] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x664 [ 81.070596][ T4755] sp : ffff80001f657740 [ 81.071322][ T4755] x29: ffff80001f657750 x28: dfff800000000000 x27: 1fffe00019ae970c [ 81.072740][ T4755] x26: dfff800000000000 x25: ffff80001429d110 x24: 0000000000000001 [ 81.074025][ T4755] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 81.075297][ T4755] x20: ffff0000cd74b860 x19: 0000000000000000 x18: 0000000000000000 [ 81.076482][ T4755] x17: 0000000000000000 x16: ffff80001125a830 x15: 0000000000000000 [ 81.078451][ T4755] x14: ffff700003ecaedc x13: 1ffff00003ecaedc x12: 0000000000ff0100 [ 81.079657][ T4755] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a059670 [ 81.081023][ T4755] x8 : ffff0000d6dbb680 x7 : ffff80000a058954 x6 : 0000000000000000 [ 81.082337][ T4755] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d840c [ 81.083901][ T4755] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 81.085158][ T4755] Call trace: [ 81.085662][ T4755] btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 81.086901][ T4755] btrfs_block_rsv_release+0x3f8/0x4d4 [ 81.087822][ T4755] btrfs_release_global_block_rsv+0x38/0x22c [ 81.088750][ T4755] btrfs_free_block_groups+0x7ac/0xb3c [ 81.089633][ T4755] close_ctree+0x618/0x834 [ 81.090328][ T4755] btrfs_put_super+0x40/0x50 [ 81.091003][ T4755] generic_shutdown_super+0x130/0x2f0 [ 81.091817][ T4755] kill_anon_super+0x4c/0x80 [ 81.092616][ T4755] btrfs_kill_super+0x40/0x58 [ 81.093361][ T4755] deactivate_locked_super+0xb8/0x134 [ 81.094158][ T4755] deactivate_super+0xf0/0x110 [ 81.094882][ T4755] cleanup_mnt+0x3b8/0x46c [ 81.095813][ T4755] __cleanup_mnt+0x20/0x30 [ 81.096545][ T4755] task_work_run+0x12c/0x1d8 [ 81.097301][ T4755] do_notify_resume+0x2450/0x309c [ 81.098084][ T4755] el0_svc+0xf0/0x1d0 [ 81.098722][ T4755] el0t_64_sync_handler+0xcc/0xe4 [ 81.099559][ T4755] el0t_64_sync+0x1a0/0x1a4 [ 81.100311][ T4755] irq event stamp: 497962 [ 81.101048][ T4755] hardirqs last enabled at (497961): [] kasan_quarantine_put+0xc4/0x200 [ 81.102803][ T4755] hardirqs last disabled at (497962): [] el1_dbg+0x24/0x80 [ 81.104187][ T4755] softirqs last enabled at (495858): [] handle_softirqs+0xa40/0xbe4 [ 81.105619][ T4755] softirqs last disabled at (495847): [] __irq_exit_rcu+0x240/0x43c [ 81.107065][ T4755] ---[ end trace 3d00ae5f28aa1000 ]--- [ 81.268228][ T5431] loop0: detected capacity change from 0 to 32768 [ 81.317143][ T5431] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.34 (5431) [ 81.320463][ T5431] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 81.323292][ T5431] BTRFS info (device loop0): metadata ratio 4 [ 81.324401][ T5431] BTRFS info (device loop0): setting incompat feature flag for COMPRESS_LZO (0x8) [ 81.325782][ T5431] BTRFS info (device loop0): force lzo compression, level 0 [ 81.326870][ T5431] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 81.328563][ T5431] BTRFS info (device loop0): trying to use backup root at mount time [ 81.329700][ T5431] BTRFS info (device loop0): enabling auto defrag [ 81.330690][ T5431] BTRFS info (device loop0): setting nodatacow [ 81.332153][ T5431] BTRFS info (device loop0): disabling tree log [ 81.333119][ T5431] BTRFS info (device loop0): using free space tree [ 81.334171][ T5431] BTRFS info (device loop0): has skinny extents [ 81.340750][ T136] BTRFS warning (device loop0): checksum verify failed on 5332992 wanted 0x0a5e5d25 found 0x26333c6f level 0 [ 81.342986][ T5431] BTRFS warning (device loop0): couldn't read tree root [ 81.344342][ T1643] BTRFS warning (device loop0): checksum verify failed on 5324800 wanted 0x9f73850b found 0x78ca8373 level 0 [ 81.346316][ T5431] BTRFS warning (device loop0): couldn't read tree root [ 81.347494][ T5431] BTRFS error (device loop0): parent transid verify failed on 5255168 wanted 5 found 7 [ 81.349041][ T5431] BTRFS warning (device loop0): couldn't read tree root [ 81.352469][ T5431] BTRFS info (device loop0): enabling ssd optimizations [ 81.353856][ T5431] BTRFS info (device loop0): clearing free space tree [ 81.354912][ T5431] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 81.356485][ T5431] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 81.360394][ T5431] BTRFS info (device loop0): creating free space tree [ 81.362829][ T5431] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 81.364395][ T5431] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 81.368733][ T5431] FAULT_INJECTION: forcing a failure. [ 81.368733][ T5431] name failslab, interval 1, probability 0, space 0, times 0 [ 81.370793][ T5431] CPU: 0 PID: 5431 Comm: syz.0.34 Tainted: G W syzkaller #0 [ 81.372200][ T5431] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 81.373903][ T5431] Call trace: [ 81.374435][ T5431] dump_backtrace+0x0/0x458 [ 81.375196][ T5431] show_stack+0x2c/0x3c [ 81.375890][ T5431] __dump_stack+0x30/0x40 [ 81.376557][ T5431] dump_stack_lvl+0xf4/0x15c [ 81.377356][ T5431] dump_stack+0x1c/0x5c [ 81.378072][ T5431] should_fail+0x3bc/0x514 [ 81.378790][ T5431] __should_failslab+0xbc/0x10c [ 81.379565][ T5431] should_failslab+0x10/0x28 [ 81.380376][ T5431] slab_pre_alloc_hook+0x64/0xe8 [ 81.381153][ T5431] kmem_cache_alloc+0x94/0x3d4 [ 81.381883][ T5431] btrfs_alloc_tree_block+0xa3c/0x1130 [ 81.382774][ T5431] insert_new_root+0x244/0x8a4 [ 81.383547][ T5431] split_leaf+0xa44/0x1090 [ 81.384279][ T5431] btrfs_search_slot+0x1c1c/0x1f44 [ 81.385097][ T5431] btrfs_insert_empty_items+0x1d8/0x2a0 [ 81.386048][ T5431] insert_with_overflow+0xbc/0x248 [ 81.386852][ T5431] btrfs_insert_xattr_item+0x178/0x30c [ 81.387774][ T5431] btrfs_setxattr+0x3d8/0x8bc [ 81.388543][ T5431] btrfs_setxattr_trans+0xfc/0x354 [ 81.389333][ T5431] btrfs_xattr_handler_set+0xb0/0xd8 [ 81.390139][ T5431] __vfs_setxattr+0x384/0x3a0 [ 81.390873][ T5431] __vfs_setxattr_noperm+0x120/0x564 [ 81.391810][ T5431] __vfs_setxattr_locked+0x1ec/0x218 [ 81.392680][ T5431] vfs_setxattr+0x158/0x2ac [ 81.393425][ T5431] setxattr+0x278/0x2f8 [ 81.394081][ T5431] path_setxattr+0x130/0x260 [ 81.394875][ T5431] __arm64_sys_setxattr+0xbc/0xd8 [ 81.395704][ T5431] invoke_syscall+0x98/0x2b0 [ 81.396442][ T5431] el0_svc_common+0x138/0x258 [ 81.397194][ T5431] do_el0_svc+0x58/0x13c [ 81.397884][ T5431] el0_svc+0x78/0x1d0 [ 81.398537][ T5431] el0t_64_sync_handler+0xcc/0xe4 [ 81.399304][ T5431] el0t_64_sync+0x1a0/0x1a4 [ 81.439612][ T4755] ------------[ cut here ]------------ [ 81.440452][ T4755] WARNING: CPU: 1 PID: 4755 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 81.442200][ T4755] Modules linked in: [ 81.442772][ T4755] CPU: 1 PID: 4755 Comm: syz-executor Tainted: G W syzkaller #0 [ 81.444191][ T4755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 81.445748][ T4755] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 81.446938][ T4755] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 81.448056][ T4755] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x664 [ 81.449186][ T4755] sp : ffff80001f657740 [ 81.449776][ T4755] x29: ffff80001f657750 x28: dfff800000000000 x27: 1fffe0001b4d1c0c [ 81.450993][ T4755] x26: dfff800000000000 x25: ffff80001429d110 x24: 0000000000000002 [ 81.452169][ T4755] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 81.453482][ T4755] x20: ffff0000da68e060 x19: 0000000000000000 x18: 0000000000000000 [ 81.454725][ T4755] x17: 0000000000000000 x16: ffff80001125a830 x15: 0000000000000000 [ 81.455923][ T4755] x14: ffff700003ecaedc x13: 1ffff00003ecaedc x12: 0000000000ff0100 [ 81.457242][ T4755] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a059670 [ 81.458454][ T4755] x8 : ffff0000d6dbb680 x7 : ffff80000a058954 x6 : 0000000000000000 [ 81.459605][ T4755] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d840c [ 81.460791][ T4755] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 81.461900][ T4755] Call trace: [ 81.462384][ T4755] btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 81.463447][ T4755] btrfs_block_rsv_release+0x3f8/0x4d4 [ 81.464307][ T4755] btrfs_release_global_block_rsv+0x38/0x22c [ 81.465236][ T4755] btrfs_free_block_groups+0x7ac/0xb3c [ 81.466154][ T4755] close_ctree+0x618/0x834 [ 81.466825][ T4755] btrfs_put_super+0x40/0x50 [ 81.467520][ T4755] generic_shutdown_super+0x130/0x2f0 [ 81.468447][ T4755] kill_anon_super+0x4c/0x80 [ 81.469243][ T4755] btrfs_kill_super+0x40/0x58 [ 81.470059][ T4755] deactivate_locked_super+0xb8/0x134 [ 81.470957][ T4755] deactivate_super+0xf0/0x110 [ 81.471718][ T4755] cleanup_mnt+0x3b8/0x46c [ 81.472401][ T4755] __cleanup_mnt+0x20/0x30 [ 81.473149][ T4755] task_work_run+0x12c/0x1d8 [ 81.473941][ T4755] do_notify_resume+0x2450/0x309c [ 81.474753][ T4755] el0_svc+0xf0/0x1d0 [ 81.475434][ T4755] el0t_64_sync_handler+0xcc/0xe4 [ 81.476305][ T4755] el0t_64_sync+0x1a0/0x1a4 [ 81.477131][ T4755] irq event stamp: 523664 [ 81.477869][ T4755] hardirqs last enabled at (523663): [] kasan_quarantine_put+0xc4/0x200 [ 81.479625][ T4755] hardirqs last disabled at (523664): [] el1_dbg+0x24/0x80 [ 81.481133][ T4755] softirqs last enabled at (521210): [] local_bh_enable+0x10/0x34 [ 81.482659][ T4755] softirqs last disabled at (521208): [] local_bh_disable+0x10/0x34 [ 81.484185][ T4755] ---[ end trace 3d00ae5f28aa1001 ]--- [ 81.678436][ T5453] loop0: detected capacity change from 0 to 32768 [ 81.727212][ T5453] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.35 (5453) [ 81.731332][ T5453] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 81.733583][ T5453] BTRFS info (device loop0): metadata ratio 4 [ 81.734668][ T5453] BTRFS info (device loop0): setting incompat feature flag for COMPRESS_LZO (0x8) [ 81.736117][ T5453] BTRFS info (device loop0): force lzo compression, level 0 [ 81.737649][ T5453] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 81.739367][ T5453] BTRFS info (device loop0): trying to use backup root at mount time [ 81.740612][ T5453] BTRFS info (device loop0): enabling auto defrag [ 81.742115][ T5453] BTRFS info (device loop0): setting nodatacow [ 81.743009][ T5453] BTRFS info (device loop0): disabling tree log [ 81.744008][ T5453] BTRFS info (device loop0): using free space tree [ 81.745064][ T5453] BTRFS info (device loop0): has skinny extents [ 81.754338][ T5453] BTRFS warning (device loop0): couldn't read tree root [ 81.755653][ T5453] BTRFS warning (device loop0): couldn't read tree root [ 81.756890][ T5453] BTRFS error (device loop0): parent transid verify failed on 5255168 wanted 5 found 7 [ 81.758340][ T5453] BTRFS warning (device loop0): couldn't read tree root [ 81.761429][ T5453] BTRFS info (device loop0): enabling ssd optimizations [ 81.763958][ T5453] BTRFS info (device loop0): clearing free space tree [ 81.765042][ T5453] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 81.766631][ T5453] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 81.770310][ T5453] BTRFS info (device loop0): creating free space tree [ 81.774972][ T5453] FAULT_INJECTION: forcing a failure. [ 81.774972][ T5453] name failslab, interval 1, probability 0, space 0, times 0 [ 81.776900][ T5453] CPU: 0 PID: 5453 Comm: syz.0.35 Tainted: G W syzkaller #0 [ 81.778272][ T5453] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 81.779922][ T5453] Call trace: [ 81.780418][ T5453] dump_backtrace+0x0/0x458 [ 81.781211][ T5453] show_stack+0x2c/0x3c [ 81.781871][ T5453] __dump_stack+0x30/0x40 [ 81.782614][ T5453] dump_stack_lvl+0xf4/0x15c [ 81.783346][ T5453] dump_stack+0x1c/0x5c [ 81.783984][ T5453] should_fail+0x3bc/0x514 [ 81.784663][ T5453] __should_failslab+0xbc/0x10c [ 81.785435][ T5453] should_failslab+0x10/0x28 [ 81.786204][ T5453] slab_pre_alloc_hook+0x64/0xe8 [ 81.787049][ T5453] kmem_cache_alloc+0x94/0x3d4 [ 81.787858][ T5453] btrfs_alloc_tree_block+0xa3c/0x1130 [ 81.788695][ T5453] insert_new_root+0x244/0x8a4 [ 81.789422][ T5453] split_leaf+0xa44/0x1090 [ 81.790068][ T5453] btrfs_search_slot+0x1c1c/0x1f44 [ 81.790874][ T5453] btrfs_insert_empty_items+0x1d8/0x2a0 [ 81.791738][ T5453] insert_with_overflow+0xbc/0x248 [ 81.792515][ T5453] btrfs_insert_xattr_item+0x178/0x30c [ 81.793367][ T5453] btrfs_setxattr+0x3d8/0x8bc [ 81.794090][ T5453] btrfs_setxattr_trans+0xfc/0x354 [ 81.794862][ T5453] btrfs_xattr_handler_set+0xb0/0xd8 [ 81.795710][ T5453] __vfs_setxattr+0x384/0x3a0 [ 81.796467][ T5453] __vfs_setxattr_noperm+0x120/0x564 [ 81.797307][ T5453] __vfs_setxattr_locked+0x1ec/0x218 [ 81.798143][ T5453] vfs_setxattr+0x158/0x2ac [ 81.798866][ T5453] setxattr+0x278/0x2f8 [ 81.799489][ T5453] path_setxattr+0x130/0x260 [ 81.800173][ T5453] __arm64_sys_setxattr+0xbc/0xd8 [ 81.800901][ T5453] invoke_syscall+0x98/0x2b0 [ 81.801684][ T5453] el0_svc_common+0x138/0x258 [ 81.802480][ T5453] do_el0_svc+0x58/0x13c [ 81.803102][ T5453] el0_svc+0x78/0x1d0 [ 81.803692][ T5453] el0t_64_sync_handler+0xcc/0xe4 [ 81.804543][ T5453] el0t_64_sync+0x1a0/0x1a4 [ 81.845197][ T4755] ------------[ cut here ]------------ [ 81.846161][ T4755] WARNING: CPU: 0 PID: 4755 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 81.848031][ T4755] Modules linked in: [ 81.848631][ T4755] CPU: 0 PID: 4755 Comm: syz-executor Tainted: G W syzkaller #0 [ 81.850003][ T4755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 81.851708][ T4755] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 81.853011][ T4755] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 81.854190][ T4755] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x664 [ 81.855352][ T4755] sp : ffff80001f657740 [ 81.856053][ T4755] x29: ffff80001f657750 x28: dfff800000000000 x27: 1fffe0001dbce60c [ 81.857319][ T4755] x26: dfff800000000000 x25: ffff80001429d110 x24: 0000000000000001 [ 81.858576][ T4755] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 81.859788][ T4755] x20: ffff0000ede73060 x19: 0000000000000000 x18: 0000000000000000 [ 81.861055][ T4755] x17: 0000000000000000 x16: ffff80001125a830 x15: 0000000000000000 [ 81.862216][ T4755] x14: ffff700003ecaedc x13: 1ffff00003ecaedc x12: 0000000000ff0100 [ 81.863390][ T4755] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a059670 [ 81.864589][ T4755] x8 : ffff0000d6dbb680 x7 : ffff80000a058954 x6 : 0000000000000000 [ 81.865728][ T4755] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d840c [ 81.867136][ T4755] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 81.868401][ T4755] Call trace: [ 81.868912][ T4755] btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 81.869952][ T4755] btrfs_block_rsv_release+0x3f8/0x4d4 [ 81.870916][ T4755] btrfs_release_global_block_rsv+0x38/0x22c [ 81.871857][ T4755] btrfs_free_block_groups+0x7ac/0xb3c [ 81.872776][ T4755] close_ctree+0x618/0x834 [ 81.873465][ T4755] btrfs_put_super+0x40/0x50 [ 81.874186][ T4755] generic_shutdown_super+0x130/0x2f0 [ 81.875098][ T4755] kill_anon_super+0x4c/0x80 [ 81.875849][ T4755] btrfs_kill_super+0x40/0x58 [ 81.876630][ T4755] deactivate_locked_super+0xb8/0x134 [ 81.877542][ T4755] deactivate_super+0xf0/0x110 [ 81.878350][ T4755] cleanup_mnt+0x3b8/0x46c [ 81.879061][ T4755] __cleanup_mnt+0x20/0x30 [ 81.879768][ T4755] task_work_run+0x12c/0x1d8 [ 81.880504][ T4755] do_notify_resume+0x2450/0x309c [ 81.881383][ T4755] el0_svc+0xf0/0x1d0 [ 81.882077][ T4755] el0t_64_sync_handler+0xcc/0xe4 [ 81.882863][ T4755] el0t_64_sync+0x1a0/0x1a4 [ 81.883581][ T4755] irq event stamp: 550186 [ 81.884336][ T4755] hardirqs last enabled at (550185): [] kasan_quarantine_put+0xc4/0x200 [ 81.885858][ T4755] hardirqs last disabled at (550186): [] el1_dbg+0x24/0x80 [ 81.887341][ T4755] softirqs last enabled at (547102): [] local_bh_enable+0x10/0x34 [ 81.888865][ T4755] softirqs last disabled at (547100): [] local_bh_disable+0x10/0x34 [ 81.890300][ T4755] ---[ end trace 3d00ae5f28aa1002 ]--- [ 82.052387][ T5475] loop0: detected capacity change from 0 to 32768 [ 82.119373][ T5475] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.36 (5475) [ 82.124505][ T5475] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 82.130968][ T5475] BTRFS warning (device loop0): couldn't read tree root [ 82.132552][ T5475] BTRFS warning (device loop0): couldn't read tree root [ 82.133844][ T5475] BTRFS error (device loop0): parent transid verify failed on 5255168 wanted 5 found 7 [ 82.135438][ T5475] BTRFS warning (device loop0): couldn't read tree root [ 82.144857][ T5475] FAULT_INJECTION: forcing a failure. [ 82.144857][ T5475] name failslab, interval 1, probability 0, space 0, times 0 [ 82.147091][ T5475] CPU: 1 PID: 5475 Comm: syz.0.36 Tainted: G W syzkaller #0 [ 82.148427][ T5475] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 82.150020][ T5475] Call trace: [ 82.150587][ T5475] dump_backtrace+0x0/0x458 [ 82.151352][ T5475] show_stack+0x2c/0x3c [ 82.152090][ T5475] __dump_stack+0x30/0x40 [ 82.152769][ T5475] dump_stack_lvl+0xf4/0x15c [ 82.153474][ T5475] dump_stack+0x1c/0x5c [ 82.154209][ T5475] should_fail+0x3bc/0x514 [ 82.154955][ T5475] __should_failslab+0xbc/0x10c [ 82.155775][ T5475] should_failslab+0x10/0x28 [ 82.156514][ T5475] slab_pre_alloc_hook+0x64/0xe8 [ 82.157388][ T5475] kmem_cache_alloc+0x94/0x3d4 [ 82.158117][ T5475] btrfs_alloc_tree_block+0xa3c/0x1130 [ 82.159063][ T5475] insert_new_root+0x244/0x8a4 [ 82.159846][ T5475] split_leaf+0xa44/0x1090 [ 82.160533][ T5475] btrfs_search_slot+0x1c1c/0x1f44 [ 82.161261][ T5475] btrfs_insert_empty_items+0x1d8/0x2a0 [ 82.162132][ T5475] insert_with_overflow+0xbc/0x248 [ 82.162938][ T5475] btrfs_insert_xattr_item+0x178/0x30c [ 82.163779][ T5475] btrfs_setxattr+0x3d8/0x8bc [ 82.164556][ T5475] btrfs_setxattr_trans+0xfc/0x354 [ 82.165448][ T5475] btrfs_xattr_handler_set+0xb0/0xd8 [ 82.166368][ T5475] __vfs_setxattr+0x384/0x3a0 [ 82.167185][ T5475] __vfs_setxattr_noperm+0x120/0x564 [ 82.168131][ T5475] __vfs_setxattr_locked+0x1ec/0x218 [ 82.169006][ T5475] vfs_setxattr+0x158/0x2ac [ 82.169721][ T5475] setxattr+0x278/0x2f8 [ 82.170385][ T5475] path_setxattr+0x130/0x260 [ 82.171113][ T5475] __arm64_sys_setxattr+0xbc/0xd8 [ 82.171960][ T5475] invoke_syscall+0x98/0x2b0 [ 82.172783][ T5475] el0_svc_common+0x138/0x258 [ 82.173584][ T5475] do_el0_svc+0x58/0x13c [ 82.174310][ T5475] el0_svc+0x78/0x1d0 [ 82.174930][ T5475] el0t_64_sync_handler+0xcc/0xe4 [ 82.175701][ T5475] el0t_64_sync+0x1a0/0x1a4 [ 82.204514][ T4755] ------------[ cut here ]------------ [ 82.205380][ T4755] WARNING: CPU: 1 PID: 4755 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 82.207196][ T4755] Modules linked in: [ 82.207858][ T4755] CPU: 1 PID: 4755 Comm: syz-executor Tainted: G W syzkaller #0 [ 82.209342][ T4755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 82.210934][ T4755] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 82.212204][ T4755] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 82.213405][ T4755] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x664 [ 82.214563][ T4755] sp : ffff80001f657740 [ 82.215210][ T4755] x29: ffff80001f657750 x28: dfff800000000000 x27: 1fffe0001b31650c [ 82.216601][ T4755] x26: dfff800000000000 x25: ffff80001429d110 x24: 0000000000000002 [ 82.217920][ T4755] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 82.219282][ T4755] x20: ffff0000d98b2860 x19: 0000000000000000 x18: 0000000000000000 [ 82.220631][ T4755] x17: 0000000000000000 x16: ffff80001125a830 x15: 0000000000000000 [ 82.222004][ T4755] x14: ffff700003ecaedc x13: 1ffff00003ecaedc x12: 0000000000ff0100 [ 82.223341][ T4755] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a059670 [ 82.224668][ T4755] x8 : ffff0000d6dbb680 x7 : ffff80000a058954 x6 : 0000000000000000 [ 82.225969][ T4755] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d840c [ 82.227307][ T4755] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 82.228588][ T4755] Call trace: [ 82.229094][ T4755] btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 82.230212][ T4755] btrfs_block_rsv_release+0x3f8/0x4d4 [ 82.231123][ T4755] btrfs_release_global_block_rsv+0x38/0x22c [ 82.232124][ T4755] btrfs_free_block_groups+0x7ac/0xb3c [ 82.233042][ T4755] close_ctree+0x618/0x834 [ 82.233751][ T4755] btrfs_put_super+0x40/0x50 [ 82.234517][ T4755] generic_shutdown_super+0x130/0x2f0 [ 82.235423][ T4755] kill_anon_super+0x4c/0x80 [ 82.236180][ T4755] btrfs_kill_super+0x40/0x58 [ 82.236926][ T4755] deactivate_locked_super+0xb8/0x134 [ 82.237804][ T4755] deactivate_super+0xf0/0x110 [ 82.238602][ T4755] cleanup_mnt+0x3b8/0x46c [ 82.239337][ T4755] __cleanup_mnt+0x20/0x30 [ 82.240075][ T4755] task_work_run+0x12c/0x1d8 [ 82.240843][ T4755] do_notify_resume+0x2450/0x309c [ 82.241650][ T4755] el0_svc+0xf0/0x1d0 [ 82.242327][ T4755] el0t_64_sync_handler+0xcc/0xe4 [ 82.243176][ T4755] el0t_64_sync+0x1a0/0x1a4 [ 82.243955][ T4755] irq event stamp: 576432 [ 82.244659][ T4755] hardirqs last enabled at (576431): [] kasan_quarantine_put+0xc4/0x200 [ 82.246322][ T4755] hardirqs last disabled at (576432): [] el1_dbg+0x24/0x80 [ 82.247761][ T4755] softirqs last enabled at (573846): [] local_bh_enable+0x10/0x34 [ 82.249338][ T4755] softirqs last disabled at (573844): [] local_bh_disable+0x10/0x34 [ 82.250907][ T4755] ---[ end trace 3d00ae5f28aa1003 ]--- [ 82.458432][ T5497] loop0: detected capacity change from 0 to 32768 [ 82.506797][ T5497] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.37 (5497) [ 82.511126][ T5497] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 82.518495][ T5497] BTRFS warning (device loop0): couldn't read tree root [ 82.519743][ T5497] BTRFS warning (device loop0): couldn't read tree root [ 82.521017][ T5497] BTRFS error (device loop0): parent transid verify failed on 5255168 wanted 5 found 7 [ 82.523121][ T5497] BTRFS warning (device loop0): couldn't read tree root [ 82.531895][ T5497] FAULT_INJECTION: forcing a failure. [ 82.531895][ T5497] name failslab, interval 1, probability 0, space 0, times 0 [ 82.534100][ T5497] CPU: 1 PID: 5497 Comm: syz.0.37 Tainted: G W syzkaller #0 [ 82.535402][ T5497] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 82.537030][ T5497] Call trace: [ 82.537556][ T5497] dump_backtrace+0x0/0x458 [ 82.538322][ T5497] show_stack+0x2c/0x3c [ 82.539014][ T5497] __dump_stack+0x30/0x40 [ 82.539797][ T5497] dump_stack_lvl+0xf4/0x15c [ 82.540610][ T5497] dump_stack+0x1c/0x5c [ 82.541325][ T5497] should_fail+0x3bc/0x514 [ 82.542063][ T5497] __should_failslab+0xbc/0x10c [ 82.542969][ T5497] should_failslab+0x10/0x28 [ 82.543727][ T5497] slab_pre_alloc_hook+0x64/0xe8 [ 82.544571][ T5497] kmem_cache_alloc+0x94/0x3d4 [ 82.545348][ T5497] btrfs_alloc_tree_block+0xa3c/0x1130 [ 82.546212][ T5497] insert_new_root+0x244/0x8a4 [ 82.547032][ T5497] split_leaf+0xa44/0x1090 [ 82.547747][ T5497] btrfs_search_slot+0x1c1c/0x1f44 [ 82.548635][ T5497] btrfs_insert_empty_items+0x1d8/0x2a0 [ 82.549604][ T5497] insert_with_overflow+0xbc/0x248 [ 82.550449][ T5497] btrfs_insert_xattr_item+0x178/0x30c [ 82.551394][ T5497] btrfs_setxattr+0x3d8/0x8bc [ 82.552153][ T5497] btrfs_setxattr_trans+0xfc/0x354 [ 82.553080][ T5497] btrfs_xattr_handler_set+0xb0/0xd8 [ 82.553987][ T5497] __vfs_setxattr+0x384/0x3a0 [ 82.554808][ T5497] __vfs_setxattr_noperm+0x120/0x564 [ 82.555673][ T5497] __vfs_setxattr_locked+0x1ec/0x218 [ 82.556590][ T5497] vfs_setxattr+0x158/0x2ac [ 82.557319][ T5497] setxattr+0x278/0x2f8 [ 82.558010][ T5497] path_setxattr+0x130/0x260 [ 82.558827][ T5497] __arm64_sys_setxattr+0xbc/0xd8 [ 82.559628][ T5497] invoke_syscall+0x98/0x2b0 [ 82.560451][ T5497] el0_svc_common+0x138/0x258 [ 82.561242][ T5497] do_el0_svc+0x58/0x13c [ 82.561929][ T5497] el0_svc+0x78/0x1d0 [ 82.562621][ T5497] el0t_64_sync_handler+0xcc/0xe4 [ 82.563460][ T5497] el0t_64_sync+0x1a0/0x1a4 [ 82.600585][ T4755] ------------[ cut here ]------------ [ 82.601457][ T4755] WARNING: CPU: 1 PID: 4755 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 82.603360][ T4755] Modules linked in: [ 82.603975][ T4755] CPU: 1 PID: 4755 Comm: syz-executor Tainted: G W syzkaller #0 [ 82.605431][ T4755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 82.607138][ T4755] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 82.608363][ T4755] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 82.609523][ T4755] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x664 [ 82.610655][ T4755] sp : ffff80001f657740 [ 82.611338][ T4755] x29: ffff80001f657750 x28: dfff800000000000 x27: 1fffe0001abc260c [ 82.612622][ T4755] x26: dfff800000000000 x25: ffff80001429d110 x24: 0000000000000002 [ 82.613978][ T4755] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 82.615329][ T4755] x20: ffff0000d5e13060 x19: 0000000000000000 x18: 0000000000000000 [ 82.616735][ T4755] x17: 0000000000000000 x16: ffff80001125a830 x15: 0000000000000000 [ 82.618121][ T4755] x14: ffff700003ecaedc x13: 1ffff00003ecaedc x12: 0000000000ff0100 [ 82.619428][ T4755] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a059670 [ 82.620753][ T4755] x8 : ffff0000d6dbb680 x7 : ffff80000a058954 x6 : 0000000000000000 [ 82.622088][ T4755] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d840c [ 82.623437][ T4755] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 82.624711][ T4755] Call trace: [ 82.625257][ T4755] btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 82.626401][ T4755] btrfs_block_rsv_release+0x3f8/0x4d4 [ 82.627279][ T4755] btrfs_release_global_block_rsv+0x38/0x22c [ 82.628280][ T4755] btrfs_free_block_groups+0x7ac/0xb3c [ 82.629151][ T4755] close_ctree+0x618/0x834 [ 82.629951][ T4755] btrfs_put_super+0x40/0x50 [ 82.630627][ T4755] generic_shutdown_super+0x130/0x2f0 [ 82.631425][ T4755] kill_anon_super+0x4c/0x80 [ 82.632148][ T4755] btrfs_kill_super+0x40/0x58 [ 82.632865][ T4755] deactivate_locked_super+0xb8/0x134 [ 82.633633][ T4755] deactivate_super+0xf0/0x110 [ 82.634436][ T4755] cleanup_mnt+0x3b8/0x46c [ 82.635156][ T4755] __cleanup_mnt+0x20/0x30 [ 82.635846][ T4755] task_work_run+0x12c/0x1d8 [ 82.636540][ T4755] do_notify_resume+0x2450/0x309c [ 82.637395][ T4755] el0_svc+0xf0/0x1d0 [ 82.638094][ T4755] el0t_64_sync_handler+0xcc/0xe4 [ 82.638908][ T4755] el0t_64_sync+0x1a0/0x1a4 [ 82.639664][ T4755] irq event stamp: 602134 [ 82.640311][ T4755] hardirqs last enabled at (602133): [] kasan_quarantine_put+0xc4/0x200 [ 82.642070][ T4755] hardirqs last disabled at (602134): [] el1_dbg+0x24/0x80 [ 82.643449][ T4755] softirqs last enabled at (600150): [] handle_softirqs+0xa40/0xbe4 [ 82.644834][ T4755] softirqs last disabled at (599981): [] __irq_exit_rcu+0x240/0x43c [ 82.646487][ T4755] ---[ end trace 3d00ae5f28aa1004 ]--- [ 82.791376][ T5519] loop0: detected capacity change from 0 to 32768 [ 82.843096][ T5519] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.38 (5519) [ 82.846042][ T5519] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 82.854601][ T5519] BTRFS warning (device loop0): couldn't read tree root [ 82.856064][ T5519] BTRFS warning (device loop0): couldn't read tree root [ 82.857421][ T5519] BTRFS error (device loop0): parent transid verify failed on 5255168 wanted 5 found 7 [ 82.859110][ T5519] BTRFS warning (device loop0): couldn't read tree root [ 82.869985][ T5519] FAULT_INJECTION: forcing a failure. [ 82.869985][ T5519] name failslab, interval 1, probability 0, space 0, times 0 [ 82.872233][ T5519] CPU: 1 PID: 5519 Comm: syz.0.38 Tainted: G W syzkaller #0 [ 82.873596][ T5519] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 82.875171][ T5519] Call trace: [ 82.875732][ T5519] dump_backtrace+0x0/0x458 [ 82.876478][ T5519] show_stack+0x2c/0x3c [ 82.877161][ T5519] __dump_stack+0x30/0x40 [ 82.877871][ T5519] dump_stack_lvl+0xf4/0x15c [ 82.878631][ T5519] dump_stack+0x1c/0x5c [ 82.879314][ T5519] should_fail+0x3bc/0x514 [ 82.880022][ T5519] __should_failslab+0xbc/0x10c [ 82.880827][ T5519] should_failslab+0x10/0x28 [ 82.881572][ T5519] slab_pre_alloc_hook+0x64/0xe8 [ 82.882387][ T5519] kmem_cache_alloc+0x94/0x3d4 [ 82.883141][ T5519] btrfs_alloc_tree_block+0xa3c/0x1130 [ 82.884037][ T5519] insert_new_root+0x244/0x8a4 [ 82.884795][ T5519] split_leaf+0xa44/0x1090 [ 82.885546][ T5519] btrfs_search_slot+0x1c1c/0x1f44 [ 82.886359][ T5519] btrfs_insert_empty_items+0x1d8/0x2a0 [ 82.887267][ T5519] insert_with_overflow+0xbc/0x248 [ 82.888037][ T5519] btrfs_insert_xattr_item+0x178/0x30c [ 82.888855][ T5519] btrfs_setxattr+0x3d8/0x8bc [ 82.889498][ T5519] btrfs_setxattr_trans+0xfc/0x354 [ 82.890320][ T5519] btrfs_xattr_handler_set+0xb0/0xd8 [ 82.891174][ T5519] __vfs_setxattr+0x384/0x3a0 [ 82.892014][ T5519] __vfs_setxattr_noperm+0x120/0x564 [ 82.892893][ T5519] __vfs_setxattr_locked+0x1ec/0x218 [ 82.893763][ T5519] vfs_setxattr+0x158/0x2ac [ 82.894438][ T5519] setxattr+0x278/0x2f8 [ 82.895056][ T5519] path_setxattr+0x130/0x260 [ 82.895759][ T5519] __arm64_sys_setxattr+0xbc/0xd8 [ 82.896549][ T5519] invoke_syscall+0x98/0x2b0 [ 82.897291][ T5519] el0_svc_common+0x138/0x258 [ 82.898049][ T5519] do_el0_svc+0x58/0x13c [ 82.898766][ T5519] el0_svc+0x78/0x1d0 [ 82.899470][ T5519] el0t_64_sync_handler+0xcc/0xe4 [ 82.900336][ T5519] el0t_64_sync+0x1a0/0x1a4 [ 82.938590][ T4755] ------------[ cut here ]------------ [ 82.939612][ T4755] WARNING: CPU: 1 PID: 4755 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 82.941346][ T4755] Modules linked in: [ 82.941937][ T4755] CPU: 1 PID: 4755 Comm: syz-executor Tainted: G W syzkaller #0 [ 82.943525][ T4755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 82.945227][ T4755] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 82.946564][ T4755] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 82.947616][ T4755] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x664 [ 82.948672][ T4755] sp : ffff80001f657740 [ 82.949377][ T4755] x29: ffff80001f657750 x28: dfff800000000000 x27: 1fffe0001b25cc0c [ 82.950605][ T4755] x26: dfff800000000000 x25: ffff80001429d110 x24: 0000000000000002 [ 82.952037][ T4755] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 82.953526][ T4755] x20: ffff0000d92e6060 x19: 0000000000000000 x18: 0000000000000000 [ 82.955086][ T4755] x17: 0000000000000000 x16: ffff80001125a830 x15: 0000000000000000 [ 82.956556][ T4755] x14: ffff700003ecaedc x13: 1ffff00003ecaedc x12: 0000000000ff0100 [ 82.957847][ T4755] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a059670 [ 82.959243][ T4755] x8 : ffff0000d6dbb680 x7 : ffff80000a058954 x6 : 0000000000000000 [ 82.960553][ T4755] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d840c [ 82.961719][ T4755] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 82.962838][ T4755] Call trace: [ 82.963297][ T4755] btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 82.964393][ T4755] btrfs_block_rsv_release+0x3f8/0x4d4 [ 82.965242][ T4755] btrfs_release_global_block_rsv+0x38/0x22c [ 82.966057][ T4755] btrfs_free_block_groups+0x7ac/0xb3c [ 82.966827][ T4755] close_ctree+0x618/0x834 [ 82.967492][ T4755] btrfs_put_super+0x40/0x50 [ 82.968188][ T4755] generic_shutdown_super+0x130/0x2f0 [ 82.969088][ T4755] kill_anon_super+0x4c/0x80 [ 82.969833][ T4755] btrfs_kill_super+0x40/0x58 [ 82.970637][ T4755] deactivate_locked_super+0xb8/0x134 [ 82.971437][ T4755] deactivate_super+0xf0/0x110 [ 82.972118][ T4755] cleanup_mnt+0x3b8/0x46c [ 82.972850][ T4755] __cleanup_mnt+0x20/0x30 [ 82.973603][ T4755] task_work_run+0x12c/0x1d8 [ 82.974341][ T4755] do_notify_resume+0x2450/0x309c [ 82.975125][ T4755] el0_svc+0xf0/0x1d0 [ 82.975801][ T4755] el0t_64_sync_handler+0xcc/0xe4 [ 82.976572][ T4755] el0t_64_sync+0x1a0/0x1a4 [ 82.977347][ T4755] irq event stamp: 627884 [ 82.978051][ T4755] hardirqs last enabled at (627883): [] kasan_quarantine_put+0xc4/0x200 [ 82.979672][ T4755] hardirqs last disabled at (627884): [] el1_dbg+0x24/0x80 [ 82.981048][ T4755] softirqs last enabled at (627050): [] handle_softirqs+0xa40/0xbe4 [ 82.982556][ T4755] softirqs last disabled at (626897): [] __irq_exit_rcu+0x240/0x43c [ 82.984049][ T4755] ---[ end trace 3d00ae5f28aa1005 ]--- [ 83.140180][ T5541] loop0: detected capacity change from 0 to 32768 [ 83.186540][ T5541] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.39 (5541) [ 83.191086][ T5541] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 83.205206][ T5541] BTRFS warning (device loop0): couldn't read tree root [ 83.206798][ T5541] BTRFS warning (device loop0): couldn't read tree root [ 83.208048][ T5541] BTRFS error (device loop0): parent transid verify failed on 5255168 wanted 5 found 7 [ 83.209620][ T5541] BTRFS warning (device loop0): couldn't read tree root [ 83.218791][ T5541] FAULT_INJECTION: forcing a failure. [ 83.218791][ T5541] name failslab, interval 1, probability 0, space 0, times 0 [ 83.220776][ T5541] CPU: 1 PID: 5541 Comm: syz.0.39 Tainted: G W syzkaller #0 [ 83.222229][ T5541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 83.223947][ T5541] Call trace: [ 83.224448][ T5541] dump_backtrace+0x0/0x458 [ 83.225190][ T5541] show_stack+0x2c/0x3c [ 83.225899][ T5541] __dump_stack+0x30/0x40 [ 83.226613][ T5541] dump_stack_lvl+0xf4/0x15c [ 83.227377][ T5541] dump_stack+0x1c/0x5c [ 83.228079][ T5541] should_fail+0x3bc/0x514 [ 83.228810][ T5541] __should_failslab+0xbc/0x10c [ 83.229615][ T5541] should_failslab+0x10/0x28 [ 83.230295][ T5541] slab_pre_alloc_hook+0x64/0xe8 [ 83.231045][ T5541] kmem_cache_alloc+0x94/0x3d4 [ 83.231771][ T5541] btrfs_alloc_tree_block+0xa3c/0x1130 [ 83.232565][ T5541] insert_new_root+0x244/0x8a4 [ 83.233252][ T5541] split_leaf+0xa44/0x1090 [ 83.233928][ T5541] btrfs_search_slot+0x1c1c/0x1f44 [ 83.234728][ T5541] btrfs_insert_empty_items+0x1d8/0x2a0 [ 83.235595][ T5541] insert_with_overflow+0xbc/0x248 [ 83.236368][ T5541] btrfs_insert_xattr_item+0x178/0x30c [ 83.237201][ T5541] btrfs_setxattr+0x3d8/0x8bc [ 83.237889][ T5541] btrfs_setxattr_trans+0xfc/0x354 [ 83.238594][ T5541] btrfs_xattr_handler_set+0xb0/0xd8 [ 83.239339][ T5541] __vfs_setxattr+0x384/0x3a0 [ 83.240005][ T5541] __vfs_setxattr_noperm+0x120/0x564 [ 83.240796][ T5541] __vfs_setxattr_locked+0x1ec/0x218 [ 83.241531][ T5541] vfs_setxattr+0x158/0x2ac [ 83.242147][ T5541] setxattr+0x278/0x2f8 [ 83.242731][ T5541] path_setxattr+0x130/0x260 [ 83.243452][ T5541] __arm64_sys_setxattr+0xbc/0xd8 [ 83.244265][ T5541] invoke_syscall+0x98/0x2b0 [ 83.244952][ T5541] el0_svc_common+0x138/0x258 [ 83.245741][ T5541] do_el0_svc+0x58/0x13c [ 83.246422][ T5541] el0_svc+0x78/0x1d0 [ 83.247114][ T5541] el0t_64_sync_handler+0xcc/0xe4 [ 83.247910][ T5541] el0t_64_sync+0x1a0/0x1a4 [ 83.301298][ T4755] ------------[ cut here ]------------ [ 83.302282][ T4755] WARNING: CPU: 1 PID: 4755 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 83.304228][ T4755] Modules linked in: [ 83.304886][ T4755] CPU: 1 PID: 4755 Comm: syz-executor Tainted: G W syzkaller #0 [ 83.306348][ T4755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 83.307899][ T4755] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 83.309124][ T4755] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 83.310183][ T4755] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x664 [ 83.311308][ T4755] sp : ffff80001f657740 [ 83.311958][ T4755] x29: ffff80001f657750 x28: dfff800000000000 x27: 1fffe0001dba160c [ 83.313217][ T4755] x26: dfff800000000000 x25: ffff80001429d110 x24: 0000000000000002 [ 83.314373][ T4755] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 83.315594][ T4755] x20: ffff0000edd0b060 x19: 0000000000000000 x18: 0000000000000000 [ 83.316820][ T4755] x17: 0000000000000000 x16: ffff80001125a830 x15: 0000000000000000 [ 83.318147][ T4755] x14: ffff700003ecaedc x13: 1ffff00003ecaedc x12: 0000000000ff0100 [ 83.319497][ T4755] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a059670 [ 83.320755][ T4755] x8 : ffff0000d6dbb680 x7 : ffff80000a058954 x6 : 0000000000000000 [ 83.321944][ T4755] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d840c [ 83.323349][ T4755] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 83.324679][ T4755] Call trace: [ 83.325209][ T4755] btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 83.326363][ T4755] btrfs_block_rsv_release+0x3f8/0x4d4 [ 83.327323][ T4755] btrfs_release_global_block_rsv+0x38/0x22c [ 83.328283][ T4755] btrfs_free_block_groups+0x7ac/0xb3c [ 83.329145][ T4755] close_ctree+0x618/0x834 [ 83.329872][ T4755] btrfs_put_super+0x40/0x50 [ 83.330619][ T4755] generic_shutdown_super+0x130/0x2f0 [ 83.331513][ T4755] kill_anon_super+0x4c/0x80 [ 83.332254][ T4755] btrfs_kill_super+0x40/0x58 [ 83.332994][ T4755] deactivate_locked_super+0xb8/0x134 [ 83.333828][ T4755] deactivate_super+0xf0/0x110 [ 83.334586][ T4755] cleanup_mnt+0x3b8/0x46c [ 83.335229][ T4755] __cleanup_mnt+0x20/0x30 [ 83.335950][ T4755] task_work_run+0x12c/0x1d8 [ 83.336683][ T4755] do_notify_resume+0x2450/0x309c [ 83.337444][ T4755] el0_svc+0xf0/0x1d0 [ 83.338036][ T4755] el0t_64_sync_handler+0xcc/0xe4 [ 83.338772][ T4755] el0t_64_sync+0x1a0/0x1a4 [ 83.339530][ T4755] irq event stamp: 654534 [ 83.340261][ T4755] hardirqs last enabled at (654533): [] kasan_quarantine_put+0xc4/0x200 [ 83.341973][ T4755] hardirqs last disabled at (654534): [] el1_dbg+0x24/0x80 [ 83.343355][ T4755] softirqs last enabled at (653604): [] handle_softirqs+0xa40/0xbe4 [ 83.344893][ T4755] softirqs last disabled at (653593): [] __irq_exit_rcu+0x240/0x43c [ 83.346404][ T4755] ---[ end trace 3d00ae5f28aa1006 ]--- [ 83.567023][ T5563] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.40 (5563) [ 83.572619][ T5563] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 83.579480][ T5563] BTRFS warning (device loop0): couldn't read tree root [ 83.581345][ T5563] BTRFS warning (device loop0): couldn't read tree root [ 83.582912][ T5563] BTRFS warning (device loop0): couldn't read tree root [ 83.592767][ T5563] FAULT_INJECTION: forcing a failure. [ 83.592767][ T5563] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 83.594844][ T5563] CPU: 1 PID: 5563 Comm: syz.0.40 Tainted: G W syzkaller #0 [ 83.596131][ T5563] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 83.597754][ T5563] Call trace: [ 83.598272][ T5563] dump_backtrace+0x0/0x458 [ 83.599005][ T5563] show_stack+0x2c/0x3c [ 83.599669][ T5563] __dump_stack+0x30/0x40 [ 83.600365][ T5563] dump_stack_lvl+0xf4/0x15c [ 83.601101][ T5563] dump_stack+0x1c/0x5c [ 83.601742][ T5563] should_fail+0x3bc/0x514 [ 83.602428][ T5563] should_fail_alloc_page+0x74/0xa8 [ 83.603216][ T5563] prepare_alloc_pages+0x160/0x45c [ 83.603961][ T5563] __alloc_pages+0x108/0x470 [ 83.604601][ T5563] alloc_pages+0x34c/0x5c0 [ 83.605268][ T5563] new_slab+0xe0/0x544 [ 83.605866][ T5563] ___slab_alloc+0x6b4/0xd8c [ 83.606597][ T5563] __slab_alloc+0x68/0xc0 [ 83.607293][ T5563] kmem_cache_alloc+0x2a4/0x3d4 [ 83.608176][ T5563] alloc_extent_state+0x38/0x42c [ 83.609058][ T5563] set_extent_bit+0x1b0/0x1378 [ 83.609872][ T5563] btrfs_alloc_tree_block+0x998/0x1130 [ 83.610766][ T5563] insert_new_root+0x244/0x8a4 [ 83.611551][ T5563] split_leaf+0xa44/0x1090 [ 83.612306][ T5563] btrfs_search_slot+0x1c1c/0x1f44 [ 83.613076][ T5563] btrfs_insert_empty_items+0x1d8/0x2a0 [ 83.614004][ T5563] insert_with_overflow+0xbc/0x248 [ 83.614753][ T5563] btrfs_insert_xattr_item+0x178/0x30c [ 83.615538][ T5563] btrfs_setxattr+0x3d8/0x8bc [ 83.616291][ T5563] btrfs_setxattr_trans+0xfc/0x354 [ 83.617216][ T5563] btrfs_xattr_handler_set+0xb0/0xd8 [ 83.618093][ T5563] __vfs_setxattr+0x384/0x3a0 [ 83.618806][ T5563] __vfs_setxattr_noperm+0x120/0x564 [ 83.619554][ T5563] __vfs_setxattr_locked+0x1ec/0x218 [ 83.620352][ T5563] vfs_setxattr+0x158/0x2ac [ 83.621095][ T5563] setxattr+0x278/0x2f8 [ 83.621745][ T5563] path_setxattr+0x130/0x260 [ 83.622428][ T5563] __arm64_sys_setxattr+0xbc/0xd8 [ 83.623184][ T5563] invoke_syscall+0x98/0x2b0 [ 83.623992][ T5563] el0_svc_common+0x138/0x258 [ 83.624793][ T5563] do_el0_svc+0x58/0x13c [ 83.625470][ T5563] el0_svc+0x78/0x1d0 [ 83.626085][ T5563] el0t_64_sync_handler+0xcc/0xe4 [ 83.626898][ T5563] el0t_64_sync+0x1a0/0x1a4 [ 83.862500][ T5585] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.41 (5585) [ 83.865601][ T5585] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 83.873603][ T5585] BTRFS warning (device loop0): couldn't read tree root [ 83.875275][ T5585] BTRFS warning (device loop0): couldn't read tree root [ 83.877480][ T5585] BTRFS warning (device loop0): couldn't read tree root [ 83.893982][ T5585] FAULT_INJECTION: forcing a failure. [ 83.893982][ T5585] name failslab, interval 1, probability 0, space 0, times 0 [ 83.896056][ T5585] CPU: 0 PID: 5585 Comm: syz.0.41 Tainted: G W syzkaller #0 [ 83.897528][ T5585] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 83.899061][ T5585] Call trace: [ 83.899552][ T5585] dump_backtrace+0x0/0x458 [ 83.900320][ T5585] show_stack+0x2c/0x3c [ 83.900989][ T5585] __dump_stack+0x30/0x40 [ 83.901691][ T5585] dump_stack_lvl+0xf4/0x15c [ 83.902347][ T5585] dump_stack+0x1c/0x5c [ 83.903039][ T5585] should_fail+0x3bc/0x514 [ 83.903710][ T5585] __should_failslab+0xbc/0x10c [ 83.904436][ T5585] should_failslab+0x10/0x28 [ 83.905127][ T5585] slab_pre_alloc_hook+0x64/0xe8 [ 83.905854][ T5585] kmem_cache_alloc+0x94/0x3d4 [ 83.906560][ T5585] btrfs_alloc_tree_block+0xa3c/0x1130 [ 83.907442][ T5585] insert_new_root+0x244/0x8a4 [ 83.908181][ T5585] split_leaf+0xa44/0x1090 [ 83.908851][ T5585] btrfs_search_slot+0x1c1c/0x1f44 [ 83.909674][ T5585] btrfs_insert_empty_items+0x1d8/0x2a0 [ 83.910624][ T5585] insert_with_overflow+0xbc/0x248 [ 83.911470][ T5585] btrfs_insert_xattr_item+0x178/0x30c [ 83.912355][ T5585] btrfs_setxattr+0x3d8/0x8bc [ 83.913070][ T5585] btrfs_setxattr_trans+0xfc/0x354 [ 83.913953][ T5585] btrfs_xattr_handler_set+0xb0/0xd8 [ 83.914848][ T5585] __vfs_setxattr+0x384/0x3a0 [ 83.915653][ T5585] __vfs_setxattr_noperm+0x120/0x564 [ 83.916513][ T5585] __vfs_setxattr_locked+0x1ec/0x218 [ 83.917360][ T5585] vfs_setxattr+0x158/0x2ac [ 83.918112][ T5585] setxattr+0x278/0x2f8 [ 83.918825][ T5585] path_setxattr+0x130/0x260 [ 83.919570][ T5585] __arm64_sys_setxattr+0xbc/0xd8 [ 83.920417][ T5585] invoke_syscall+0x98/0x2b0 [ 83.921147][ T5585] el0_svc_common+0x138/0x258 [ 83.921880][ T5585] do_el0_svc+0x58/0x13c [ 83.922514][ T5585] el0_svc+0x78/0x1d0 [ 83.923212][ T5585] el0t_64_sync_handler+0xcc/0xe4 [ 83.924006][ T5585] el0t_64_sync+0x1a0/0x1a4 [ 83.964255][ T4755] ------------[ cut here ]------------ [ 83.965193][ T4755] WARNING: CPU: 0 PID: 4755 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 83.966966][ T4755] Modules linked in: [ 83.967602][ T4755] CPU: 0 PID: 4755 Comm: syz-executor Tainted: G W syzkaller #0 [ 83.969035][ T4755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 83.970552][ T4755] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 83.971777][ T4755] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 83.972936][ T4755] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x664 [ 83.974029][ T4755] sp : ffff80001f657740 [ 83.974720][ T4755] x29: ffff80001f657750 x28: dfff800000000000 x27: 1fffe0001824430c [ 83.975907][ T4755] x26: dfff800000000000 x25: ffff80001429d110 x24: 0000000000000001 [ 83.977071][ T4755] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 83.978455][ T4755] x20: ffff0000c1221860 x19: 0000000000000000 x18: 0000000000000000 [ 83.979788][ T4755] x17: 0000000000000000 x16: ffff80001125a830 x15: 0000000000000000 [ 83.981024][ T4755] x14: ffff700003ecaedc x13: 1ffff00003ecaedc x12: 0000000000ff0100 [ 83.982236][ T4755] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a059670 [ 83.983398][ T4755] x8 : ffff0000d6dbb680 x7 : ffff80000a058954 x6 : 0000000000000000 [ 83.984560][ T4755] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d840c [ 83.985827][ T4755] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 83.987051][ T4755] Call trace: [ 83.987561][ T4755] btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 83.988544][ T4755] btrfs_block_rsv_release+0x3f8/0x4d4 [ 83.989364][ T4755] btrfs_release_global_block_rsv+0x38/0x22c [ 83.990238][ T4755] btrfs_free_block_groups+0x7ac/0xb3c [ 83.991037][ T4755] close_ctree+0x618/0x834 [ 83.991697][ T4755] btrfs_put_super+0x40/0x50 [ 83.992489][ T4755] generic_shutdown_super+0x130/0x2f0 [ 83.993317][ T4755] kill_anon_super+0x4c/0x80 [ 83.994073][ T4755] btrfs_kill_super+0x40/0x58 [ 83.994793][ T4755] deactivate_locked_super+0xb8/0x134 [ 83.995713][ T4755] deactivate_super+0xf0/0x110 [ 83.996499][ T4755] cleanup_mnt+0x3b8/0x46c [ 83.997242][ T4755] __cleanup_mnt+0x20/0x30 [ 83.997950][ T4755] task_work_run+0x12c/0x1d8 [ 83.998679][ T4755] do_notify_resume+0x2450/0x309c [ 83.999524][ T4755] el0_svc+0xf0/0x1d0 [ 84.000162][ T4755] el0t_64_sync_handler+0xcc/0xe4 [ 84.000978][ T4755] el0t_64_sync+0x1a0/0x1a4 [ 84.001728][ T4755] irq event stamp: 688080 [ 84.002475][ T4755] hardirqs last enabled at (688079): [] kasan_quarantine_put+0xc4/0x200 [ 84.004026][ T4755] hardirqs last disabled at (688080): [] el1_dbg+0x24/0x80 [ 84.005492][ T4755] softirqs last enabled at (687838): [] handle_softirqs+0xa40/0xbe4 [ 84.007031][ T4755] softirqs last disabled at (687627): [] __irq_exit_rcu+0x240/0x43c [ 84.008653][ T4755] ---[ end trace 3d00ae5f28aa1007 ]--- [ 84.203717][ T5607] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.42 (5607) [ 84.210139][ T5607] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 84.216481][ T5607] BTRFS warning (device loop0): couldn't read tree root [ 84.217858][ T5607] BTRFS warning (device loop0): couldn't read tree root [ 84.219197][ T5607] BTRFS warning (device loop0): couldn't read tree root [ 84.234237][ T5607] FAULT_INJECTION: forcing a failure. [ 84.234237][ T5607] name failslab, interval 1, probability 0, space 0, times 0 [ 84.236419][ T5607] CPU: 1 PID: 5607 Comm: syz.0.42 Tainted: G W syzkaller #0 [ 84.237816][ T5607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 84.239551][ T5607] Call trace: [ 84.240094][ T5607] dump_backtrace+0x0/0x458 [ 84.240862][ T5607] show_stack+0x2c/0x3c [ 84.241514][ T5607] __dump_stack+0x30/0x40 [ 84.242197][ T5607] dump_stack_lvl+0xf4/0x15c [ 84.242932][ T5607] dump_stack+0x1c/0x5c [ 84.243593][ T5607] should_fail+0x3bc/0x514 [ 84.244363][ T5607] __should_failslab+0xbc/0x10c [ 84.245200][ T5607] should_failslab+0x10/0x28 [ 84.245964][ T5607] slab_pre_alloc_hook+0x64/0xe8 [ 84.246773][ T5607] kmem_cache_alloc+0x94/0x3d4 [ 84.247546][ T5607] btrfs_alloc_tree_block+0xa3c/0x1130 [ 84.248502][ T5607] insert_new_root+0x244/0x8a4 [ 84.249259][ T5607] split_leaf+0xa44/0x1090 [ 84.250005][ T5607] btrfs_search_slot+0x1c1c/0x1f44 [ 84.250819][ T5607] btrfs_insert_empty_items+0x1d8/0x2a0 [ 84.251737][ T5607] insert_with_overflow+0xbc/0x248 [ 84.252583][ T5607] btrfs_insert_xattr_item+0x178/0x30c [ 84.253501][ T5607] btrfs_setxattr+0x3d8/0x8bc [ 84.254284][ T5607] btrfs_setxattr_trans+0xfc/0x354 [ 84.255113][ T5607] btrfs_xattr_handler_set+0xb0/0xd8 [ 84.255973][ T5607] __vfs_setxattr+0x384/0x3a0 [ 84.256732][ T5607] __vfs_setxattr_noperm+0x120/0x564 [ 84.257509][ T5607] __vfs_setxattr_locked+0x1ec/0x218 [ 84.258271][ T5607] vfs_setxattr+0x158/0x2ac [ 84.258957][ T5607] setxattr+0x278/0x2f8 [ 84.259590][ T5607] path_setxattr+0x130/0x260 [ 84.260392][ T5607] __arm64_sys_setxattr+0xbc/0xd8 [ 84.261128][ T5607] invoke_syscall+0x98/0x2b0 [ 84.261816][ T5607] el0_svc_common+0x138/0x258 [ 84.262571][ T5607] do_el0_svc+0x58/0x13c [ 84.263246][ T5607] el0_svc+0x78/0x1d0 [ 84.263951][ T5607] el0t_64_sync_handler+0xcc/0xe4 [ 84.264766][ T5607] el0t_64_sync+0x1a0/0x1a4 [ 84.305147][ T4755] ------------[ cut here ]------------ [ 84.306027][ T4755] WARNING: CPU: 1 PID: 4755 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 84.307780][ T4755] Modules linked in: [ 84.308377][ T4755] CPU: 1 PID: 4755 Comm: syz-executor Tainted: G W syzkaller #0 [ 84.309833][ T4755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 84.311350][ T4755] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 84.312665][ T4755] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 84.313893][ T4755] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x664 [ 84.315086][ T4755] sp : ffff80001f657740 [ 84.315762][ T4755] x29: ffff80001f657750 x28: dfff800000000000 x27: 1fffe00019c2990c [ 84.317068][ T4755] x26: dfff800000000000 x25: ffff80001429d110 x24: 0000000000000002 [ 84.318370][ T4755] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 84.319658][ T4755] x20: ffff0000ce14c860 x19: 0000000000000000 x18: 0000000000000000 [ 84.320967][ T4755] x17: 0000000000000000 x16: ffff80001125a830 x15: 0000000000000000 [ 84.322273][ T4755] x14: ffff700003ecaedc x13: 1ffff00003ecaedc x12: 0000000000ff0100 [ 84.323603][ T4755] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a059670 [ 84.324880][ T4755] x8 : ffff0000d6dbb680 x7 : ffff80000a058954 x6 : 0000000000000000 [ 84.326114][ T4755] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d840c [ 84.327513][ T4755] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 84.328818][ T4755] Call trace: [ 84.329376][ T4755] btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 84.330435][ T4755] btrfs_block_rsv_release+0x3f8/0x4d4 [ 84.331361][ T4755] btrfs_release_global_block_rsv+0x38/0x22c [ 84.332289][ T4755] btrfs_free_block_groups+0x7ac/0xb3c [ 84.333150][ T4755] close_ctree+0x618/0x834 [ 84.333835][ T4755] btrfs_put_super+0x40/0x50 [ 84.334555][ T4755] generic_shutdown_super+0x130/0x2f0 [ 84.335374][ T4755] kill_anon_super+0x4c/0x80 [ 84.336080][ T4755] btrfs_kill_super+0x40/0x58 [ 84.336801][ T4755] deactivate_locked_super+0xb8/0x134 [ 84.337704][ T4755] deactivate_super+0xf0/0x110 [ 84.338500][ T4755] cleanup_mnt+0x3b8/0x46c [ 84.339239][ T4755] __cleanup_mnt+0x20/0x30 [ 84.339979][ T4755] task_work_run+0x12c/0x1d8 [ 84.340744][ T4755] do_notify_resume+0x2450/0x309c [ 84.341475][ T4755] el0_svc+0xf0/0x1d0 [ 84.342169][ T4755] el0t_64_sync_handler+0xcc/0xe4 [ 84.343010][ T4755] el0t_64_sync+0x1a0/0x1a4 [ 84.343709][ T4755] irq event stamp: 714042 [ 84.344427][ T4755] hardirqs last enabled at (714041): [] kasan_quarantine_put+0xc4/0x200 [ 84.345973][ T4755] hardirqs last disabled at (714042): [] el1_dbg+0x24/0x80 [ 84.347213][ T4755] softirqs last enabled at (711288): [] handle_softirqs+0xa40/0xbe4 [ 84.348592][ T4755] softirqs last disabled at (711277): [] __irq_exit_rcu+0x240/0x43c [ 84.350117][ T4755] ---[ end trace 3d00ae5f28aa1008 ]--- [ 84.469687][ T5629] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.43 (5629) [ 84.474920][ T5629] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 84.480789][ T5629] BTRFS warning (device loop0): couldn't read tree root [ 84.482837][ T5629] BTRFS warning (device loop0): couldn't read tree root [ 84.484271][ T5629] BTRFS warning (device loop0): couldn't read tree root [ 84.497220][ T5629] FAULT_INJECTION: forcing a failure. [ 84.497220][ T5629] name failslab, interval 1, probability 0, space 0, times 0 [ 84.499258][ T5629] CPU: 0 PID: 5629 Comm: syz.0.43 Tainted: G W syzkaller #0 [ 84.500551][ T5629] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 84.502250][ T5629] Call trace: [ 84.502768][ T5629] dump_backtrace+0x0/0x458 [ 84.503477][ T5629] show_stack+0x2c/0x3c [ 84.504147][ T5629] __dump_stack+0x30/0x40 [ 84.504885][ T5629] dump_stack_lvl+0xf4/0x15c [ 84.505640][ T5629] dump_stack+0x1c/0x5c [ 84.506302][ T5629] should_fail+0x3bc/0x514 [ 84.507093][ T5629] __should_failslab+0xbc/0x10c [ 84.507883][ T5629] should_failslab+0x10/0x28 [ 84.508650][ T5629] slab_pre_alloc_hook+0x64/0xe8 [ 84.509519][ T5629] kmem_cache_alloc+0x94/0x3d4 [ 84.510364][ T5629] btrfs_alloc_tree_block+0xa3c/0x1130 [ 84.511194][ T5629] insert_new_root+0x244/0x8a4 [ 84.511899][ T5629] split_leaf+0xa44/0x1090 [ 84.512554][ T5629] btrfs_search_slot+0x1c1c/0x1f44 [ 84.513357][ T5629] btrfs_insert_empty_items+0x1d8/0x2a0 [ 84.514210][ T5629] insert_with_overflow+0xbc/0x248 [ 84.514985][ T5629] btrfs_insert_xattr_item+0x178/0x30c [ 84.515829][ T5629] btrfs_setxattr+0x3d8/0x8bc [ 84.516556][ T5629] btrfs_setxattr_trans+0xfc/0x354 [ 84.517370][ T5629] btrfs_xattr_handler_set+0xb0/0xd8 [ 84.518195][ T5629] __vfs_setxattr+0x384/0x3a0 [ 84.518872][ T5629] __vfs_setxattr_noperm+0x120/0x564 [ 84.519663][ T5629] __vfs_setxattr_locked+0x1ec/0x218 [ 84.520514][ T5629] vfs_setxattr+0x158/0x2ac [ 84.521270][ T5629] setxattr+0x278/0x2f8 [ 84.522038][ T5629] path_setxattr+0x130/0x260 [ 84.522784][ T5629] __arm64_sys_setxattr+0xbc/0xd8 [ 84.523579][ T5629] invoke_syscall+0x98/0x2b0 [ 84.524309][ T5629] el0_svc_common+0x138/0x258 [ 84.525002][ T5629] do_el0_svc+0x58/0x13c [ 84.525656][ T5629] el0_svc+0x78/0x1d0 [ 84.526299][ T5629] el0t_64_sync_handler+0xcc/0xe4 [ 84.527147][ T5629] el0t_64_sync+0x1a0/0x1a4 [ 84.569186][ T4755] ------------[ cut here ]------------ [ 84.570195][ T4755] WARNING: CPU: 1 PID: 4755 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 84.572054][ T4755] Modules linked in: [ 84.572712][ T4755] CPU: 1 PID: 4755 Comm: syz-executor Tainted: G W syzkaller #0 [ 84.574072][ T4755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 84.575721][ T4755] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 84.576983][ T4755] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 84.578112][ T4755] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x664 [ 84.579282][ T4755] sp : ffff80001f657740 [ 84.579971][ T4755] x29: ffff80001f657750 x28: dfff800000000000 x27: 1fffe000199f150c [ 84.581239][ T4755] x26: dfff800000000000 x25: ffff80001429d110 x24: 0000000000000002 [ 84.582452][ T4755] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 84.583685][ T4755] x20: ffff0000ccf8a860 x19: 0000000000000000 x18: 0000000000000000 [ 84.584906][ T4755] x17: 0000000000000000 x16: ffff80001125a830 x15: 0000000000000000 [ 84.586134][ T4755] x14: ffff700003ecaedc x13: 1ffff00003ecaedc x12: 0000000000ff0100 [ 84.587377][ T4755] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a059670 [ 84.588721][ T4755] x8 : ffff0000d6dbb680 x7 : ffff80000a058954 x6 : 0000000000000000 [ 84.589923][ T4755] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d840c [ 84.591311][ T4755] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 84.592693][ T4755] Call trace: [ 84.593179][ T4755] btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 84.594305][ T4755] btrfs_block_rsv_release+0x3f8/0x4d4 [ 84.595192][ T4755] btrfs_release_global_block_rsv+0x38/0x22c [ 84.596160][ T4755] btrfs_free_block_groups+0x7ac/0xb3c [ 84.596991][ T4755] close_ctree+0x618/0x834 [ 84.597649][ T4755] btrfs_put_super+0x40/0x50 [ 84.598332][ T4755] generic_shutdown_super+0x130/0x2f0 [ 84.599157][ T4755] kill_anon_super+0x4c/0x80 [ 84.599939][ T4755] btrfs_kill_super+0x40/0x58 [ 84.600757][ T4755] deactivate_locked_super+0xb8/0x134 [ 84.601633][ T4755] deactivate_super+0xf0/0x110 [ 84.602363][ T4755] cleanup_mnt+0x3b8/0x46c [ 84.603068][ T4755] __cleanup_mnt+0x20/0x30 [ 84.603832][ T4755] task_work_run+0x12c/0x1d8 [ 84.604591][ T4755] do_notify_resume+0x2450/0x309c [ 84.605440][ T4755] el0_svc+0xf0/0x1d0 [ 84.606122][ T4755] el0t_64_sync_handler+0xcc/0xe4 [ 84.606892][ T4755] el0t_64_sync+0x1a0/0x1a4 [ 84.607602][ T4755] irq event stamp: 721316 [ 84.608304][ T4755] hardirqs last enabled at (721315): [] kasan_quarantine_put+0xc4/0x200 [ 84.609784][ T4755] hardirqs last disabled at (721316): [] el1_dbg+0x24/0x80 [ 84.611240][ T4755] softirqs last enabled at (718544): [] local_bh_enable+0x10/0x34 [ 84.612695][ T4755] softirqs last disabled at (718542): [] local_bh_disable+0x10/0x34 [ 84.614157][ T4755] ---[ end trace 3d00ae5f28aa1009 ]--- [ 84.847121][ T5651] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.44 (5651) [ 84.852428][ T5651] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 84.868657][ T5651] BTRFS warning (device loop0): couldn't read tree root [ 84.869951][ T5651] BTRFS warning (device loop0): couldn't read tree root [ 84.871337][ T5651] BTRFS warning (device loop0): couldn't read tree root [ 84.881273][ T5651] FAULT_INJECTION: forcing a failure. [ 84.881273][ T5651] name failslab, interval 1, probability 0, space 0, times 0 [ 84.883600][ T5651] CPU: 1 PID: 5651 Comm: syz.0.44 Tainted: G W syzkaller #0 [ 84.884876][ T5651] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 84.886388][ T5651] Call trace: [ 84.886902][ T5651] dump_backtrace+0x0/0x458 [ 84.887554][ T5651] show_stack+0x2c/0x3c [ 84.888163][ T5651] __dump_stack+0x30/0x40 [ 84.888867][ T5651] dump_stack_lvl+0xf4/0x15c [ 84.889684][ T5651] dump_stack+0x1c/0x5c [ 84.890401][ T5651] should_fail+0x3bc/0x514 [ 84.891179][ T5651] __should_failslab+0xbc/0x10c [ 84.892020][ T5651] should_failslab+0x10/0x28 [ 84.892750][ T5651] slab_pre_alloc_hook+0x64/0xe8 [ 84.893631][ T5651] kmem_cache_alloc+0x94/0x3d4 [ 84.894467][ T5651] btrfs_alloc_tree_block+0xa3c/0x1130 [ 84.895316][ T5651] insert_new_root+0x244/0x8a4 [ 84.896113][ T5651] split_leaf+0xa44/0x1090 [ 84.896881][ T5651] btrfs_search_slot+0x1c1c/0x1f44 [ 84.897787][ T5651] btrfs_insert_empty_items+0x1d8/0x2a0 [ 84.898775][ T5651] insert_with_overflow+0xbc/0x248 [ 84.899600][ T5651] btrfs_insert_xattr_item+0x178/0x30c [ 84.900516][ T5651] btrfs_setxattr+0x3d8/0x8bc [ 84.901347][ T5651] btrfs_setxattr_trans+0xfc/0x354 [ 84.902153][ T5651] btrfs_xattr_handler_set+0xb0/0xd8 [ 84.902941][ T5651] __vfs_setxattr+0x384/0x3a0 [ 84.903634][ T5651] __vfs_setxattr_noperm+0x120/0x564 [ 84.904412][ T5651] __vfs_setxattr_locked+0x1ec/0x218 [ 84.905217][ T5651] vfs_setxattr+0x158/0x2ac [ 84.905901][ T5651] setxattr+0x278/0x2f8 [ 84.906605][ T5651] path_setxattr+0x130/0x260 [ 84.907350][ T5651] __arm64_sys_setxattr+0xbc/0xd8 [ 84.908256][ T5651] invoke_syscall+0x98/0x2b0 [ 84.909067][ T5651] el0_svc_common+0x138/0x258 [ 84.909829][ T5651] do_el0_svc+0x58/0x13c [ 84.910520][ T5651] el0_svc+0x78/0x1d0 [ 84.911182][ T5651] el0t_64_sync_handler+0xcc/0xe4 [ 84.912028][ T5651] el0t_64_sync+0x1a0/0x1a4 [ 84.948970][ T4755] ------------[ cut here ]------------ [ 84.949960][ T4755] WARNING: CPU: 0 PID: 4755 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 84.951737][ T4755] Modules linked in: [ 84.952385][ T4755] CPU: 0 PID: 4755 Comm: syz-executor Tainted: G W syzkaller #0 [ 84.953727][ T4755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 84.955425][ T4755] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 84.956640][ T4755] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 84.957784][ T4755] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x664 [ 84.958842][ T4755] sp : ffff80001f657740 [ 84.959518][ T4755] x29: ffff80001f657750 x28: dfff800000000000 x27: 1fffe0001ade6a0c [ 84.960831][ T4755] x26: dfff800000000000 x25: ffff80001429d110 x24: 0000000000000001 [ 84.962027][ T4755] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 84.963288][ T4755] x20: ffff0000d6f35060 x19: 0000000000000000 x18: 0000000000000000 [ 84.964668][ T4755] x17: 0000000000000000 x16: ffff80001125a830 x15: 0000000000000000 [ 84.965943][ T4755] x14: ffff700003ecaedc x13: 1ffff00003ecaedc x12: 0000000000ff0100 [ 84.967212][ T4755] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a059670 [ 84.968400][ T4755] x8 : ffff0000d6dbb680 x7 : ffff80000a058954 x6 : 0000000000000000 [ 84.969607][ T4755] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d840c [ 84.970779][ T4755] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 84.972038][ T4755] Call trace: [ 84.972599][ T4755] btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 84.973718][ T4755] btrfs_block_rsv_release+0x3f8/0x4d4 [ 84.974606][ T4755] btrfs_release_global_block_rsv+0x38/0x22c [ 84.975572][ T4755] btrfs_free_block_groups+0x7ac/0xb3c [ 84.976409][ T4755] close_ctree+0x618/0x834 [ 84.977079][ T4755] btrfs_put_super+0x40/0x50 [ 84.977823][ T4755] generic_shutdown_super+0x130/0x2f0 [ 84.978623][ T4755] kill_anon_super+0x4c/0x80 [ 84.979363][ T4755] btrfs_kill_super+0x40/0x58 [ 84.980164][ T4755] deactivate_locked_super+0xb8/0x134 [ 84.981064][ T4755] deactivate_super+0xf0/0x110 [ 84.981803][ T4755] cleanup_mnt+0x3b8/0x46c [ 84.982463][ T4755] __cleanup_mnt+0x20/0x30 [ 84.983204][ T4755] task_work_run+0x12c/0x1d8 [ 84.984010][ T4755] do_notify_resume+0x2450/0x309c [ 84.984778][ T4755] el0_svc+0xf0/0x1d0 [ 84.985340][ T4755] el0t_64_sync_handler+0xcc/0xe4 [ 84.986146][ T4755] el0t_64_sync+0x1a0/0x1a4 [ 84.986809][ T4755] irq event stamp: 746748 [ 84.987464][ T4755] hardirqs last enabled at (746747): [] kasan_quarantine_put+0xc4/0x200 [ 84.989091][ T4755] hardirqs last disabled at (746748): [] el1_dbg+0x24/0x80 [ 84.990403][ T4755] softirqs last enabled at (744236): [] local_bh_enable+0x10/0x34 [ 84.991779][ T4755] softirqs last disabled at (744234): [] local_bh_disable+0x10/0x34 [ 84.993385][ T4755] ---[ end trace 3d00ae5f28aa100a ]--- 1970/01/01 00:01:24 executed programs: 32 [ 85.150680][ T5673] set_capacity_and_notify: 5 callbacks suppressed [ 85.150690][ T5673] loop0: detected capacity change from 0 to 32768 [ 85.197546][ T5673] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.45 (5673) [ 85.202079][ T5673] btrfs_printk: 155 callbacks suppressed [ 85.202087][ T5673] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 85.204221][ T5673] BTRFS info (device loop0): metadata ratio 4 [ 85.205059][ T5673] BTRFS info (device loop0): setting incompat feature flag for COMPRESS_LZO (0x8) [ 85.206564][ T5673] BTRFS info (device loop0): force lzo compression, level 0 [ 85.207769][ T5673] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 85.209347][ T5673] BTRFS info (device loop0): trying to use backup root at mount time [ 85.210716][ T5673] BTRFS info (device loop0): enabling auto defrag [ 85.211887][ T5673] BTRFS info (device loop0): setting nodatacow [ 85.212908][ T5673] BTRFS info (device loop0): disabling tree log [ 85.213993][ T5673] BTRFS info (device loop0): using free space tree [ 85.215028][ T5673] BTRFS info (device loop0): has skinny extents [ 85.221227][ T1643] validate_extent_buffer: 20 callbacks suppressed [ 85.221237][ T1643] BTRFS warning (device loop0): checksum verify failed on 5332992 wanted 0x0a5e5d25 found 0x26333c6f level 0 [ 85.224369][ T5673] BTRFS warning (device loop0): couldn't read tree root [ 85.225565][ T148] BTRFS warning (device loop0): checksum verify failed on 5324800 wanted 0x9f73850b found 0x78ca8373 level 0 [ 85.227571][ T5673] BTRFS warning (device loop0): couldn't read tree root [ 85.228749][ T5673] verify_parent_transid: 5 callbacks suppressed [ 85.228757][ T5673] BTRFS error (device loop0): parent transid verify failed on 5255168 wanted 5 found 7 [ 85.231208][ T5673] BTRFS warning (device loop0): couldn't read tree root [ 85.234382][ T5673] BTRFS info (device loop0): enabling ssd optimizations [ 85.235740][ T5673] BTRFS info (device loop0): clearing free space tree [ 85.236824][ T5673] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 85.238370][ T5673] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 85.242111][ T5673] BTRFS info (device loop0): creating free space tree [ 85.243329][ T5673] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 85.244745][ T5673] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 85.249000][ T5673] FAULT_INJECTION: forcing a failure. [ 85.249000][ T5673] name failslab, interval 1, probability 0, space 0, times 0 [ 85.250999][ T5673] CPU: 1 PID: 5673 Comm: syz.0.45 Tainted: G W syzkaller #0 [ 85.252352][ T5673] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 85.254031][ T5673] Call trace: [ 85.254569][ T5673] dump_backtrace+0x0/0x458 [ 85.255312][ T5673] show_stack+0x2c/0x3c [ 85.255993][ T5673] __dump_stack+0x30/0x40 [ 85.256736][ T5673] dump_stack_lvl+0xf4/0x15c [ 85.257484][ T5673] dump_stack+0x1c/0x5c [ 85.258205][ T5673] should_fail+0x3bc/0x514 [ 85.258917][ T5673] __should_failslab+0xbc/0x10c [ 85.259759][ T5673] should_failslab+0x10/0x28 [ 85.260571][ T5673] slab_pre_alloc_hook+0x64/0xe8 [ 85.261406][ T5673] kmem_cache_alloc+0x94/0x3d4 [ 85.262149][ T5673] alloc_extent_state+0x38/0x42c [ 85.262941][ T5673] set_extent_bit+0x1b0/0x1378 [ 85.263706][ T5673] btrfs_alloc_tree_block+0x998/0x1130 [ 85.264621][ T5673] insert_new_root+0x244/0x8a4 [ 85.265325][ T5673] split_leaf+0xa44/0x1090 [ 85.265996][ T5673] btrfs_search_slot+0x1c1c/0x1f44 [ 85.266889][ T5673] btrfs_insert_empty_items+0x1d8/0x2a0 [ 85.267843][ T5673] insert_with_overflow+0xbc/0x248 [ 85.268707][ T5673] btrfs_insert_xattr_item+0x178/0x30c [ 85.269620][ T5673] btrfs_setxattr+0x3d8/0x8bc [ 85.270378][ T5673] btrfs_setxattr_trans+0xfc/0x354 [ 85.271200][ T5673] btrfs_xattr_handler_set+0xb0/0xd8 [ 85.272080][ T5673] __vfs_setxattr+0x384/0x3a0 [ 85.272850][ T5673] __vfs_setxattr_noperm+0x120/0x564 [ 85.273708][ T5673] __vfs_setxattr_locked+0x1ec/0x218 [ 85.274587][ T5673] vfs_setxattr+0x158/0x2ac [ 85.275324][ T5673] setxattr+0x278/0x2f8 [ 85.275979][ T5673] path_setxattr+0x130/0x260 [ 85.276735][ T5673] __arm64_sys_setxattr+0xbc/0xd8 [ 85.277549][ T5673] invoke_syscall+0x98/0x2b0 [ 85.278263][ T5673] el0_svc_common+0x138/0x258 [ 85.279002][ T5673] do_el0_svc+0x58/0x13c [ 85.279683][ T5673] el0_svc+0x78/0x1d0 [ 85.280309][ T5673] el0t_64_sync_handler+0xcc/0xe4 [ 85.281062][ T5673] el0t_64_sync+0x1a0/0x1a4