Warning: Permanently added '10.128.0.16' (ED25519) to the list of known hosts. 1970/01/01 00:01:02 ignoring optional flag "type"="gce" 1970/01/01 00:01:02 parsed 1 programs [ 63.933387][ T4419] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 66.663776][ T4513] chnl_net:caif_netlink_parms(): no params data found [ 66.682135][ T4513] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.683467][ T4513] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.685050][ T4513] device bridge_slave_0 entered promiscuous mode [ 66.687256][ T4513] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.688532][ T4513] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.690002][ T4513] device bridge_slave_1 entered promiscuous mode [ 66.697435][ T4513] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.700452][ T4513] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.707970][ T4513] team0: Port device team_slave_0 added [ 66.709678][ T4513] team0: Port device team_slave_1 added [ 66.717693][ T4513] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 66.718818][ T4513] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 66.723073][ T4513] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 66.725842][ T4513] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 66.726910][ T4513] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 66.731314][ T4513] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 66.774404][ T4513] device hsr_slave_0 entered promiscuous mode [ 66.813460][ T4513] device hsr_slave_1 entered promiscuous mode [ 67.454645][ T4513] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 67.485110][ T4513] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 67.515312][ T4513] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 67.574657][ T4513] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 67.682338][ T4513] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.687460][ T636] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.688872][ T636] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.691692][ T4513] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.694163][ T1620] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.695793][ T1620] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.697223][ T1620] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.698336][ T1620] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.699809][ T1620] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.702028][ T636] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.704129][ T636] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.705647][ T636] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.706858][ T636] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.726546][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.729600][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.732983][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.734968][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.755441][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.757115][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.758760][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.760370][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.761804][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.763248][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.765107][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.767891][ T4513] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.821527][ T4513] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.823673][ T1620] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 67.824978][ T1620] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 67.830569][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 67.832224][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 67.838247][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 67.839772][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 67.852444][ T4513] device veth0_vlan entered promiscuous mode [ 67.854375][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 67.855784][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 67.861647][ T4513] device veth1_vlan entered promiscuous mode [ 67.870588][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 67.871968][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 67.880630][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 67.882264][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 67.889640][ T4513] device veth0_macvtap entered promiscuous mode [ 67.891992][ T4513] device veth1_macvtap entered promiscuous mode [ 67.897621][ T4513] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 67.898804][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 67.900243][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 67.902014][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 67.904037][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 67.907166][ T4513] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 67.909598][ T4513] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.911056][ T4513] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.912436][ T4513] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.914337][ T4513] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.916559][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 67.918026][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 68.086055][ T346] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 68.087379][ T346] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 68.088789][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 68.099576][ T346] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 68.100851][ T346] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 68.102382][ T1620] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:01:08 executed programs: 0 [ 68.419092][ T4706] chnl_net:caif_netlink_parms(): no params data found [ 68.437818][ T4706] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.439105][ T4706] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.440611][ T4706] device bridge_slave_0 entered promiscuous mode [ 68.442641][ T4706] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.444075][ T4706] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.445873][ T4706] device bridge_slave_1 entered promiscuous mode [ 68.453652][ T4706] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.456132][ T4706] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.464589][ T4706] team0: Port device team_slave_0 added [ 68.466411][ T4706] team0: Port device team_slave_1 added [ 68.472845][ T4706] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 68.474064][ T4706] 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. [ 68.478293][ T4706] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 68.480924][ T4706] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 68.481969][ T4706] 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. [ 68.486266][ T4706] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 68.534511][ T4706] device hsr_slave_0 entered promiscuous mode [ 68.555182][ T4706] device hsr_slave_1 entered promiscuous mode [ 68.613437][ T4706] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.614787][ T4706] Cannot create hsr debugfs directory [ 68.660099][ T4706] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 69.624503][ T7] cfg80211: failed to load regulatory.db [ 69.633234][ T2063] ieee802154 phy0 wpan0: encryption failed: -22 [ 69.634546][ T2063] ieee802154 phy1 wpan1: encryption failed: -22 [ 70.433432][ T4073] Bluetooth: hci0: command 0x0409 tx timeout [ 70.826272][ T4706] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 72.503329][ T4900] Bluetooth: hci0: command 0x041b tx timeout [ 73.178604][ T4706] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 73.227329][ T4706] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 73.368850][ T4706] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 73.405091][ T4706] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 73.454936][ T4706] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 73.494333][ T4706] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 73.556213][ T4706] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.561253][ T1620] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 73.562724][ T1620] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.565489][ T4706] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.567865][ T1620] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 73.569518][ T1620] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.570989][ T1620] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.572108][ T1620] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.575184][ T1620] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 73.577824][ T1620] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 73.579300][ T1620] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.580676][ T1620] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.581750][ T1620] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.585282][ T1620] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 73.587943][ T1620] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 73.590551][ T1620] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 73.592385][ T1620] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.594660][ T1620] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 73.597175][ T1620] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 73.598745][ T1620] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.601265][ T1620] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 73.602752][ T1620] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.606462][ T1620] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 73.607919][ T1620] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.610183][ T4706] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 73.656999][ T1620] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 73.658328][ T1620] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 73.661594][ T4706] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 73.668148][ T1620] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 73.669741][ T1620] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 73.686088][ T1620] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 73.687596][ T1620] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 73.689138][ T1620] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 73.690415][ T1620] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 73.692915][ T4706] device veth0_vlan entered promiscuous mode [ 73.696704][ T4706] device veth1_vlan entered promiscuous mode [ 73.704714][ T1620] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 73.706210][ T1620] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 73.707608][ T1620] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 73.709110][ T1620] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 73.711643][ T4706] device veth0_macvtap entered promiscuous mode [ 73.714342][ T4706] device veth1_macvtap entered promiscuous mode [ 73.719013][ T4706] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 73.720580][ T4706] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 73.722609][ T4706] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 73.724492][ T1620] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 73.725939][ T1620] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 73.727360][ T1620] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 73.728852][ T1620] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 73.731108][ T4706] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 73.732743][ T4706] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 73.735571][ T4706] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 73.739707][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 73.741199][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 73.743937][ T4706] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.745382][ T4706] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.746825][ T4706] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.748238][ T4706] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.768245][ T1620] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 73.769501][ T1620] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 73.770861][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 73.778602][ T1620] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 73.779872][ T1620] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 73.781341][ T346] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:01:13 executed programs: 2 [ 74.561030][ T4913] loop0: detected capacity change from 0 to 262144 [ 74.594005][ T4629] Bluetooth: hci0: command 0x040f tx timeout [ 74.595079][ T4913] ======================================================= [ 74.595079][ T4913] WARNING: The mand mount option has been deprecated and [ 74.595079][ T4913] and is ignored by this kernel. Remove the mand [ 74.595079][ T4913] option from the mount to silence this warning. [ 74.595079][ T4913] ======================================================= [ 74.602933][ T4913] BTRFS: device fsid 7e32c2af-f87a-45a1-bcba-64dea7c56a53 devid 1 transid 8 /dev/loop0 scanned by syz.0.15 (4913) [ 74.608858][ T4913] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 74.612080][ T4913] BTRFS info (device loop0): enabling ssd optimizations [ 74.613232][ T4913] BTRFS info (device loop0): enabling auto defrag [ 74.614619][ T4913] BTRFS info (device loop0): using free space tree [ 74.615728][ T4913] BTRFS info (device loop0): has skinny extents [ 74.616802][ T4913] BTRFS info (device loop0): flagging fs with big metadata feature [ 74.623777][ T148] BTRFS warning (device loop0): checksum verify failed on 22036480 wanted 0x23e101be1e001a29 found 0x98e2f59226e63d74 level 0 [ 74.626231][ T4913] BTRFS info (device loop0): read error corrected: ino 0 off 22036480 (dev /dev/loop0 sector 43040) [ 74.628029][ T4913] BTRFS info (device loop0): read error corrected: ino 0 off 22040576 (dev /dev/loop0 sector 43048) [ 74.629797][ T4913] BTRFS info (device loop0): read error corrected: ino 0 off 22044672 (dev /dev/loop0 sector 43056) [ 74.631716][ T4913] BTRFS info (device loop0): read error corrected: ino 0 off 22048768 (dev /dev/loop0 sector 43064) [ 74.635843][ T1620] BTRFS warning (device loop0): checksum verify failed on 30670848 wanted 0xe9f08ec94c425425 found 0x1a4a9216e61c07c8 level 0 [ 74.639376][ T4913] BTRFS info (device loop0): read error corrected: ino 0 off 30670848 (dev /dev/loop0 sector 76288) [ 74.641202][ T4913] BTRFS info (device loop0): read error corrected: ino 0 off 30674944 (dev /dev/loop0 sector 76296) [ 74.643130][ T4913] BTRFS info (device loop0): read error corrected: ino 0 off 30679040 (dev /dev/loop0 sector 76304) [ 74.645615][ T4913] BTRFS info (device loop0): read error corrected: ino 0 off 30683136 (dev /dev/loop0 sector 76312) [ 74.650220][ T148] BTRFS warning (device loop0): checksum verify failed on 30457856 wanted 0x402e75f1de9ccfe6 found 0x64dad595b87aeca8 level 0 [ 74.652725][ T4913] BTRFS info (device loop0): read error corrected: ino 0 off 30457856 (dev /dev/loop0 sector 75872) [ 74.656126][ T4913] BTRFS info (device loop0): read error corrected: ino 0 off 30461952 (dev /dev/loop0 sector 75880) [ 74.662021][ T4913] FAULT_INJECTION: forcing a failure. [ 74.662021][ T4913] name failslab, interval 1, probability 0, space 0, times 1 [ 74.665139][ T4913] CPU: 1 PID: 4913 Comm: syz.0.15 Not tainted syzkaller #0 [ 74.666181][ T4913] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 74.667763][ T4913] Call trace: [ 74.668328][ T4913] dump_backtrace+0x0/0x458 [ 74.669103][ T4913] show_stack+0x2c/0x3c [ 74.669779][ T4913] __dump_stack+0x30/0x40 [ 74.670466][ T4913] dump_stack_lvl+0xf4/0x15c [ 74.671243][ T4913] dump_stack+0x1c/0x5c [ 74.671931][ T4913] should_fail+0x3bc/0x514 [ 74.672701][ T4913] __should_failslab+0xbc/0x10c [ 74.673568][ T4913] should_failslab+0x10/0x28 [ 74.674349][ T4913] slab_pre_alloc_hook+0x64/0xe8 [ 74.675203][ T4913] kmem_cache_alloc+0x94/0x3d4 [ 74.676025][ T4913] btrfs_add_delayed_tree_ref+0x180/0xd44 [ 74.677021][ T4913] btrfs_alloc_tree_block+0xb98/0x1130 [ 74.677894][ T4913] btrfs_force_cow_block+0x3a8/0x16fc [ 74.678749][ T4913] btrfs_cow_block+0x2d8/0x66c [ 74.679544][ T4913] btrfs_search_slot+0xa10/0x1f44 [ 74.680396][ T4913] btrfs_insert_empty_items+0x1d8/0x2a0 [ 74.681226][ T4913] insert_balance_item+0x170/0x115c [ 74.682076][ T4913] btrfs_balance+0x8e4/0x113c [ 74.682843][ T4913] btrfs_ioctl_balance+0x4cc/0x658 [ 74.683706][ T4913] btrfs_ioctl+0x20c/0xa8c [ 74.684444][ T4913] __arm64_sys_ioctl+0x14c/0x1c8 [ 74.685235][ T4913] invoke_syscall+0x98/0x2b0 [ 74.685978][ T4913] el0_svc_common+0x138/0x258 [ 74.686792][ T4913] do_el0_svc+0x58/0x13c [ 74.687518][ T4913] el0_svc+0x78/0x1d0 [ 74.688205][ T4913] el0t_64_sync_handler+0xcc/0xe4 [ 74.689046][ T4913] el0t_64_sync+0x1a0/0x1a4 [ 74.734831][ T4706] ------------[ cut here ]------------ [ 74.735756][ T4706] WARNING: CPU: 1 PID: 4706 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 74.737619][ T4706] Modules linked in: [ 74.738218][ T4706] CPU: 1 PID: 4706 Comm: syz-executor Not tainted syzkaller #0 [ 74.739363][ T4706] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 74.741005][ T4706] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 74.742210][ T4706] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 74.743402][ T4706] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x664 [ 74.744580][ T4706] sp : ffff80001f8f7740 [ 74.745270][ T4706] x29: ffff80001f8f7750 x28: dfff800000000000 x27: 1fffe00019ab110c [ 74.746674][ T4706] x26: dfff800000000000 x25: ffff8000142ad110 x24: 0000000000000002 [ 74.748096][ T4706] x23: 0000000000000004 x22: 000000000033c000 x21: 0000000000340000 [ 74.749488][ T4706] x20: ffff0000cd588860 x19: 0000000000000000 x18: 1fffe000341f2396 [ 74.750765][ T4706] x17: ffff800016e43000 x16: ffff8000112695d4 x15: ffff800016923540 [ 74.752127][ T4706] x14: ffff700003f1eedc x13: 1ffff00003f1eedc x12: 0000000000ff0100 [ 74.753498][ T4706] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a05b1dc [ 74.754804][ T4706] x8 : ffff0000da03b680 x7 : 0000000000000000 x6 : 0000000000000000 [ 74.756128][ T4706] x5 : ffff80001701d6b0 x4 : 0000000000000008 x3 : ffff8000082d8840 [ 74.757404][ T4706] x2 : ffffffffffcc0000 x1 : 0000000000340000 x0 : 000000000033c000 [ 74.758743][ T4706] Call trace: [ 74.759237][ T4706] btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 74.760198][ T4706] btrfs_block_rsv_release+0x3f8/0x4d4 [ 74.761077][ T4706] btrfs_release_global_block_rsv+0x38/0x22c [ 74.762010][ T4706] btrfs_free_block_groups+0x7ac/0xb3c [ 74.762981][ T4706] close_ctree+0x618/0x834 [ 74.763658][ T4706] btrfs_put_super+0x40/0x50 [ 74.764438][ T4706] generic_shutdown_super+0x130/0x2f0 [ 74.765355][ T4706] kill_anon_super+0x4c/0x80 [ 74.766095][ T4706] btrfs_kill_super+0x40/0x58 [ 74.766886][ T4706] deactivate_locked_super+0xb8/0x134 [ 74.767739][ T4706] deactivate_super+0xf0/0x110 [ 74.768564][ T4706] cleanup_mnt+0x3b8/0x46c [ 74.769304][ T4706] __cleanup_mnt+0x20/0x30 [ 74.770043][ T4706] task_work_run+0x12c/0x1d8 [ 74.770801][ T4706] do_notify_resume+0x2450/0x309c [ 74.771641][ T4706] el0_svc+0xf0/0x1d0 [ 74.772294][ T4706] el0t_64_sync_handler+0xcc/0xe4 [ 74.773116][ T4706] el0t_64_sync+0x1a0/0x1a4 [ 74.773821][ T4706] irq event stamp: 130042 [ 74.774511][ T4706] hardirqs last enabled at (130041): [] kasan_quarantine_put+0xc4/0x200 [ 74.776162][ T4706] hardirqs last disabled at (130042): [] el1_dbg+0x24/0x80 [ 74.777644][ T4706] softirqs last enabled at (130034): [] handle_softirqs+0xa40/0xbe4 [ 74.779151][ T4706] softirqs last disabled at (130019): [] __irq_exit_rcu+0x240/0x43c [ 74.780685][ T4706] ---[ end trace 2a4faa024f60255a ]--- [ 75.758117][ T4937] loop0: detected capacity change from 0 to 262144 [ 75.762372][ T4937] BTRFS: device fsid 7e32c2af-f87a-45a1-bcba-64dea7c56a53 devid 1 transid 8 /dev/loop0 scanned by syz.0.16 (4937) [ 75.767283][ T4937] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 75.768811][ T4937] BTRFS info (device loop0): enabling ssd optimizations [ 75.770009][ T4937] BTRFS info (device loop0): enabling auto defrag [ 75.771070][ T4937] BTRFS info (device loop0): using free space tree [ 75.772043][ T4937] BTRFS info (device loop0): has skinny extents [ 75.773095][ T4937] BTRFS info (device loop0): flagging fs with big metadata feature [ 75.785521][ T346] BTRFS warning (device loop0): checksum verify failed on 22036480 wanted 0x23e101be1e001a29 found 0x98e2f59226e63d74 level 0 [ 75.789211][ T346] BTRFS warning (device loop0): checksum verify failed on 30670848 wanted 0xe9f08ec94c425425 found 0x1a4a9216e61c07c8 level 0 [ 75.799986][ T346] BTRFS warning (device loop0): checksum verify failed on 30457856 wanted 0x402e75f1de9ccfe6 found 0x64dad595b87aeca8 level 0 [ 75.809563][ T4937] FAULT_INJECTION: forcing a failure. [ 75.809563][ T4937] name failslab, interval 1, probability 0, space 0, times 0 [ 75.811533][ T4937] CPU: 0 PID: 4937 Comm: syz.0.16 Tainted: G W syzkaller #0 [ 75.812926][ T4937] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 75.814663][ T4937] Call trace: [ 75.815208][ T4937] dump_backtrace+0x0/0x458 [ 75.815955][ T4937] show_stack+0x2c/0x3c [ 75.816584][ T4937] __dump_stack+0x30/0x40 [ 75.817314][ T4937] dump_stack_lvl+0xf4/0x15c [ 75.818067][ T4937] dump_stack+0x1c/0x5c [ 75.818753][ T4937] should_fail+0x3bc/0x514 [ 75.819518][ T4937] __should_failslab+0xbc/0x10c [ 75.820296][ T4937] should_failslab+0x10/0x28 [ 75.821056][ T4937] slab_pre_alloc_hook+0x64/0xe8 [ 75.821894][ T4937] kmem_cache_alloc+0x94/0x3d4 [ 75.822661][ T4937] btrfs_add_delayed_tree_ref+0x180/0xd44 [ 75.823663][ T4937] btrfs_alloc_tree_block+0xb98/0x1130 [ 75.824526][ T4937] btrfs_force_cow_block+0x3a8/0x16fc [ 75.825437][ T4937] btrfs_cow_block+0x2d8/0x66c [ 75.826178][ T4937] btrfs_search_slot+0xa10/0x1f44 [ 75.827033][ T4937] btrfs_insert_empty_items+0x1d8/0x2a0 [ 75.827962][ T4937] insert_balance_item+0x170/0x115c [ 75.828841][ T4937] btrfs_balance+0x8e4/0x113c [ 75.829573][ T4937] btrfs_ioctl_balance+0x4cc/0x658 [ 75.830432][ T4937] btrfs_ioctl+0x20c/0xa8c [ 75.831181][ T4937] __arm64_sys_ioctl+0x14c/0x1c8 [ 75.831973][ T4937] invoke_syscall+0x98/0x2b0 [ 75.832740][ T4937] el0_svc_common+0x138/0x258 [ 75.833506][ T4937] do_el0_svc+0x58/0x13c [ 75.834220][ T4937] el0_svc+0x78/0x1d0 [ 75.834870][ T4937] el0t_64_sync_handler+0xcc/0xe4 [ 75.835667][ T4937] el0t_64_sync+0x1a0/0x1a4 [ 75.869971][ T4706] ------------[ cut here ]------------ [ 75.870796][ T4706] WARNING: CPU: 0 PID: 4706 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 75.872514][ T4706] Modules linked in: [ 75.873062][ T4706] CPU: 0 PID: 4706 Comm: syz-executor Tainted: G W syzkaller #0 [ 75.874401][ T4706] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 75.875951][ T4706] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 75.877071][ T4706] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 75.878294][ T4706] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x664 [ 75.879498][ T4706] sp : ffff80001f8f7740 [ 75.880123][ T4706] x29: ffff80001f8f7750 x28: dfff800000000000 x27: 1fffe00019ee6e0c [ 75.881408][ T4706] x26: dfff800000000000 x25: ffff8000142ad110 x24: 0000000000000001 [ 75.882724][ T4706] x23: 0000000000000004 x22: 000000000033c000 x21: 0000000000340000 [ 75.884111][ T4706] x20: ffff0000cf737060 x19: 0000000000000000 x18: 0000000000000000 [ 75.885431][ T4706] x17: 0000000000000000 x16: ffff8000112695d4 x15: 0000000000000000 [ 75.886803][ T4706] x14: ffff700003f1eedc x13: 1ffff00003f1eedc x12: 0000000000ff0100 [ 75.888196][ T4706] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a05b1dc [ 75.889667][ T4706] x8 : ffff0000da03b680 x7 : ffff80000a05a4c0 x6 : 0000000000000000 [ 75.891050][ T4706] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d8840 [ 75.892434][ T4706] x2 : ffffffffffcc0000 x1 : 0000000000340000 x0 : 000000000033c000 [ 75.893865][ T4706] Call trace: [ 75.894465][ T4706] btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 75.895583][ T4706] btrfs_block_rsv_release+0x3f8/0x4d4 [ 75.896551][ T4706] btrfs_release_global_block_rsv+0x38/0x22c [ 75.897632][ T4706] btrfs_free_block_groups+0x7ac/0xb3c [ 75.898569][ T4706] close_ctree+0x618/0x834 [ 75.899314][ T4706] btrfs_put_super+0x40/0x50 [ 75.900129][ T4706] generic_shutdown_super+0x130/0x2f0 [ 75.901109][ T4706] kill_anon_super+0x4c/0x80 [ 75.901915][ T4706] btrfs_kill_super+0x40/0x58 [ 75.902755][ T4706] deactivate_locked_super+0xb8/0x134 [ 75.903659][ T4706] deactivate_super+0xf0/0x110 [ 75.904424][ T4706] cleanup_mnt+0x3b8/0x46c [ 75.905103][ T4706] __cleanup_mnt+0x20/0x30 [ 75.905905][ T4706] task_work_run+0x12c/0x1d8 [ 75.906648][ T4706] do_notify_resume+0x2450/0x309c [ 75.907465][ T4706] el0_svc+0xf0/0x1d0 [ 75.908177][ T4706] el0t_64_sync_handler+0xcc/0xe4 [ 75.909041][ T4706] el0t_64_sync+0x1a0/0x1a4 [ 75.909807][ T4706] irq event stamp: 217686 [ 75.910521][ T4706] hardirqs last enabled at (217685): [] kasan_quarantine_put+0xc4/0x200 [ 75.912161][ T4706] hardirqs last disabled at (217686): [] el1_dbg+0x24/0x80 [ 75.913678][ T4706] softirqs last enabled at (217512): [] handle_softirqs+0xa40/0xbe4 [ 75.915344][ T4706] softirqs last disabled at (217483): [] __irq_exit_rcu+0x240/0x43c [ 75.916922][ T4706] ---[ end trace 2a4faa024f60255b ]--- [ 76.032893][ T136] device hsr_slave_0 left promiscuous mode [ 76.063577][ T136] device hsr_slave_1 left promiscuous mode [ 76.163368][ T136] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 76.164601][ T136] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 76.166044][ T136] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 76.167111][ T136] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 76.168621][ T136] device bridge_slave_1 left promiscuous mode [ 76.169697][ T136] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.204996][ T136] device bridge_slave_0 left promiscuous mode [ 76.206073][ T136] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.373438][ T136] device veth1_macvtap left promiscuous mode [ 76.374399][ T136] device veth0_macvtap left promiscuous mode [ 76.375349][ T136] device veth1_vlan left promiscuous mode [ 76.376211][ T136] device veth0_vlan left promiscuous mode [ 76.483184][ T136] team0 (unregistering): Port device team_slave_1 removed [ 76.489965][ T136] team0 (unregistering): Port device team_slave_0 removed [ 76.493964][ T136] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 76.538397][ T136] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 76.663347][ T4624] Bluetooth: hci0: command 0x0419 tx timeout [ 76.668571][ T136] bond0 (unregistering): Released all slaves [ 76.857442][ T4959] loop0: detected capacity change from 0 to 262144 [ 76.923432][ T4959] BTRFS: device fsid 7e32c2af-f87a-45a1-bcba-64dea7c56a53 devid 1 transid 8 /dev/loop0 scanned by syz.0.17 (4959) [ 76.927071][ T4959] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 76.928616][ T4959] BTRFS info (device loop0): enabling ssd optimizations [ 76.929734][ T4959] BTRFS info (device loop0): enabling auto defrag [ 76.930750][ T4959] BTRFS info (device loop0): using free space tree [ 76.931889][ T4959] BTRFS info (device loop0): has skinny extents [ 76.932961][ T4959] BTRFS info (device loop0): flagging fs with big metadata feature [ 76.938962][ T346] BTRFS warning (device loop0): checksum verify failed on 22036480 wanted 0x23e101be1e001a29 found 0x98e2f59226e63d74 level 0 [ 76.942319][ T1620] BTRFS warning (device loop0): checksum verify failed on 30670848 wanted 0xe9f08ec94c425425 found 0x1a4a9216e61c07c8 level 0 [ 76.953829][ T1620] BTRFS warning (device loop0): checksum verify failed on 30457856 wanted 0x402e75f1de9ccfe6 found 0x64dad595b87aeca8 level 0 [ 76.958615][ T4959] FAULT_INJECTION: forcing a failure. [ 76.958615][ T4959] name failslab, interval 1, probability 0, space 0, times 0 [ 76.960756][ T4959] CPU: 0 PID: 4959 Comm: syz.0.17 Tainted: G W syzkaller #0 [ 76.962194][ T4959] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 76.963811][ T4959] Call trace: [ 76.964383][ T4959] dump_backtrace+0x0/0x458 [ 76.965109][ T4959] show_stack+0x2c/0x3c [ 76.965860][ T4959] __dump_stack+0x30/0x40 [ 76.966634][ T4959] dump_stack_lvl+0xf4/0x15c [ 76.967314][ T4959] dump_stack+0x1c/0x5c [ 76.967958][ T4959] should_fail+0x3bc/0x514 [ 76.968694][ T4959] __should_failslab+0xbc/0x10c [ 76.969493][ T4959] should_failslab+0x10/0x28 [ 76.970199][ T4959] slab_pre_alloc_hook+0x64/0xe8 [ 76.970930][ T4959] kmem_cache_alloc+0x94/0x3d4 [ 76.971654][ T4959] btrfs_alloc_tree_block+0xa3c/0x1130 [ 76.972477][ T4959] btrfs_force_cow_block+0x3a8/0x16fc [ 76.973347][ T4959] btrfs_cow_block+0x2d8/0x66c [ 76.974010][ T4959] btrfs_search_slot+0xa10/0x1f44 [ 76.974788][ T4959] btrfs_insert_empty_items+0x1d8/0x2a0 [ 76.975657][ T4959] insert_balance_item+0x170/0x115c [ 76.976450][ T4959] btrfs_balance+0x8e4/0x113c [ 76.977213][ T4959] btrfs_ioctl_balance+0x4cc/0x658 [ 76.978073][ T4959] btrfs_ioctl+0x20c/0xa8c [ 76.978753][ T4959] __arm64_sys_ioctl+0x14c/0x1c8 [ 76.979619][ T4959] invoke_syscall+0x98/0x2b0 [ 76.980405][ T4959] el0_svc_common+0x138/0x258 [ 76.981137][ T4959] do_el0_svc+0x58/0x13c [ 76.981900][ T4959] el0_svc+0x78/0x1d0 [ 76.982578][ T4959] el0t_64_sync_handler+0xcc/0xe4 [ 76.983409][ T4959] el0t_64_sync+0x1a0/0x1a4 [ 77.018313][ T4706] ------------[ cut here ]------------ [ 77.019246][ T4706] WARNING: CPU: 0 PID: 4706 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 77.021170][ T4706] Modules linked in: [ 77.021780][ T4706] CPU: 0 PID: 4706 Comm: syz-executor Tainted: G W syzkaller #0 [ 77.023270][ T4706] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 77.025183][ T4706] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 77.026559][ T4706] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 77.027762][ T4706] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x664 [ 77.028931][ T4706] sp : ffff80001f8f7740 [ 77.029615][ T4706] x29: ffff80001f8f7750 x28: dfff800000000000 x27: 1fffe000196dda0c [ 77.030957][ T4706] x26: dfff800000000000 x25: ffff8000142ad110 x24: 0000000000000001 [ 77.032299][ T4706] x23: 0000000000000004 x22: 000000000033c000 x21: 0000000000340000 [ 77.033628][ T4706] x20: ffff0000cb6ed060 x19: 0000000000000000 x18: 0000000000000000 [ 77.035105][ T4706] x17: 0000000000000000 x16: ffff8000112695d4 x15: 0000000000000000 [ 77.036536][ T4706] x14: ffff700003f1eedc x13: 1ffff00003f1eedc x12: 0000000000ff0100 [ 77.037922][ T4706] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a05b1dc [ 77.039300][ T4706] x8 : ffff0000da03b680 x7 : ffff80000a05a4c0 x6 : 0000000000000000 [ 77.040599][ T4706] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d8840 [ 77.041906][ T4706] x2 : ffffffffffcc0000 x1 : 0000000000340000 x0 : 000000000033c000 [ 77.043331][ T4706] Call trace: [ 77.043945][ T4706] btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 77.045040][ T4706] btrfs_block_rsv_release+0x3f8/0x4d4 [ 77.045954][ T4706] btrfs_release_global_block_rsv+0x38/0x22c [ 77.046874][ T4706] btrfs_free_block_groups+0x7ac/0xb3c [ 77.047836][ T4706] close_ctree+0x618/0x834 [ 77.048602][ T4706] btrfs_put_super+0x40/0x50 [ 77.049377][ T4706] generic_shutdown_super+0x130/0x2f0 [ 77.050297][ T4706] kill_anon_super+0x4c/0x80 [ 77.051121][ T4706] btrfs_kill_super+0x40/0x58 [ 77.051913][ T4706] deactivate_locked_super+0xb8/0x134 [ 77.052831][ T4706] deactivate_super+0xf0/0x110 [ 77.053595][ T4706] cleanup_mnt+0x3b8/0x46c [ 77.054296][ T4706] __cleanup_mnt+0x20/0x30 [ 77.055035][ T4706] task_work_run+0x12c/0x1d8 [ 77.055788][ T4706] do_notify_resume+0x2450/0x309c [ 77.056668][ T4706] el0_svc+0xf0/0x1d0 [ 77.057359][ T4706] el0t_64_sync_handler+0xcc/0xe4 [ 77.058173][ T4706] el0t_64_sync+0x1a0/0x1a4 [ 77.058937][ T4706] irq event stamp: 304606 [ 77.059650][ T4706] hardirqs last enabled at (304605): [] kasan_quarantine_put+0xc4/0x200 [ 77.061331][ T4706] hardirqs last disabled at (304606): [] el1_dbg+0x24/0x80 [ 77.062799][ T4706] softirqs last enabled at (304174): [] handle_softirqs+0xa40/0xbe4 [ 77.064457][ T4706] softirqs last disabled at (304103): [] __irq_exit_rcu+0x240/0x43c [ 77.066085][ T4706] ---[ end trace 2a4faa024f60255c ]--- [ 77.999877][ T4983] loop0: detected capacity change from 0 to 262144 [ 78.047861][ T4983] BTRFS: device fsid 7e32c2af-f87a-45a1-bcba-64dea7c56a53 devid 1 transid 8 /dev/loop0 scanned by syz.0.18 (4983) [ 78.052099][ T4983] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 78.053720][ T4983] BTRFS info (device loop0): enabling ssd optimizations [ 78.054896][ T4983] BTRFS info (device loop0): enabling auto defrag [ 78.056065][ T4983] BTRFS info (device loop0): using free space tree [ 78.057106][ T4983] BTRFS info (device loop0): has skinny extents [ 78.058161][ T4983] BTRFS info (device loop0): flagging fs with big metadata feature [ 78.063913][ T346] BTRFS warning (device loop0): checksum verify failed on 22036480 wanted 0x23e101be1e001a29 found 0x98e2f59226e63d74 level 0 [ 78.077109][ T4983] FAULT_INJECTION: forcing a failure. [ 78.077109][ T4983] name failslab, interval 1, probability 0, space 0, times 0 [ 78.079065][ T4983] CPU: 0 PID: 4983 Comm: syz.0.18 Tainted: G W syzkaller #0 [ 78.080367][ T4983] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 78.081888][ T4983] Call trace: [ 78.082411][ T4983] dump_backtrace+0x0/0x458 [ 78.083112][ T4983] show_stack+0x2c/0x3c [ 78.083823][ T4983] __dump_stack+0x30/0x40 [ 78.084578][ T4983] dump_stack_lvl+0xf4/0x15c [ 78.085401][ T4983] dump_stack+0x1c/0x5c [ 78.086081][ T4983] should_fail+0x3bc/0x514 [ 78.086812][ T4983] __should_failslab+0xbc/0x10c [ 78.087657][ T4983] should_failslab+0x10/0x28 [ 78.088420][ T4983] slab_pre_alloc_hook+0x64/0xe8 [ 78.089268][ T4983] kmem_cache_alloc+0x94/0x3d4 [ 78.090052][ T4983] btrfs_alloc_tree_block+0xa3c/0x1130 [ 78.091002][ T4983] btrfs_force_cow_block+0x3a8/0x16fc [ 78.091897][ T4983] btrfs_cow_block+0x2d8/0x66c [ 78.092739][ T4983] btrfs_search_slot+0xa10/0x1f44 [ 78.093569][ T4983] btrfs_insert_empty_items+0x1d8/0x2a0 [ 78.094530][ T4983] insert_balance_item+0x170/0x115c [ 78.095432][ T4983] btrfs_balance+0x8e4/0x113c [ 78.096188][ T4983] btrfs_ioctl_balance+0x4cc/0x658 [ 78.097113][ T4983] btrfs_ioctl+0x20c/0xa8c [ 78.097877][ T4983] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.098687][ T4983] invoke_syscall+0x98/0x2b0 [ 78.099482][ T4983] el0_svc_common+0x138/0x258 [ 78.100250][ T4983] do_el0_svc+0x58/0x13c [ 78.100921][ T4983] el0_svc+0x78/0x1d0 [ 78.101606][ T4983] el0t_64_sync_handler+0xcc/0xe4 [ 78.102495][ T4983] el0t_64_sync+0x1a0/0x1a4 [ 78.144128][ T4706] ------------[ cut here ]------------ [ 78.144998][ T4706] WARNING: CPU: 0 PID: 4706 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 78.146744][ T4706] Modules linked in: [ 78.147304][ T4706] CPU: 0 PID: 4706 Comm: syz-executor Tainted: G W syzkaller #0 [ 78.148687][ T4706] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 78.150388][ T4706] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 78.151680][ T4706] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 78.152902][ T4706] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x664 [ 78.154105][ T4706] sp : ffff80001f8f7740 [ 78.154842][ T4706] x29: ffff80001f8f7750 x28: dfff800000000000 x27: 1fffe0001ad6fe0c [ 78.156294][ T4706] x26: dfff800000000000 x25: ffff8000142ad110 x24: 0000000000000001 [ 78.157607][ T4706] x23: 0000000000000004 x22: 000000000033c000 x21: 0000000000340000 [ 78.158961][ T4706] x20: ffff0000d6b7f060 x19: 0000000000000000 x18: 0000000000000000 [ 78.160279][ T4706] x17: 0000000000000000 x16: ffff8000112695d4 x15: 0000000000000000 [ 78.161651][ T4706] x14: ffff700003f1eedc x13: 1ffff00003f1eedc x12: 0000000000ff0100 [ 78.163006][ T4706] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a05b1dc [ 78.164341][ T4706] x8 : ffff0000da03b680 x7 : ffff80000a05a4c0 x6 : 0000000000000000 [ 78.165620][ T4706] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d8840 [ 78.167003][ T4706] x2 : ffffffffffcc0000 x1 : 0000000000340000 x0 : 000000000033c000 [ 78.168337][ T4706] Call trace: [ 78.168847][ T4706] btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 78.169912][ T4706] btrfs_block_rsv_release+0x3f8/0x4d4 [ 78.170755][ T4706] btrfs_release_global_block_rsv+0x38/0x22c [ 78.171722][ T4706] btrfs_free_block_groups+0x7ac/0xb3c [ 78.172590][ T4706] close_ctree+0x618/0x834 [ 78.173312][ T4706] btrfs_put_super+0x40/0x50 [ 78.174059][ T4706] generic_shutdown_super+0x130/0x2f0 [ 78.174923][ T4706] kill_anon_super+0x4c/0x80 [ 78.175666][ T4706] btrfs_kill_super+0x40/0x58 [ 78.176362][ T4706] deactivate_locked_super+0xb8/0x134 [ 78.177195][ T4706] deactivate_super+0xf0/0x110 [ 78.177916][ T4706] cleanup_mnt+0x3b8/0x46c [ 78.178719][ T4706] __cleanup_mnt+0x20/0x30 [ 78.179461][ T4706] task_work_run+0x12c/0x1d8 [ 78.180258][ T4706] do_notify_resume+0x2450/0x309c [ 78.181052][ T4706] el0_svc+0xf0/0x1d0 [ 78.181709][ T4706] el0t_64_sync_handler+0xcc/0xe4 [ 78.182584][ T4706] el0t_64_sync+0x1a0/0x1a4 [ 78.183411][ T4706] irq event stamp: 391832 [ 78.184173][ T4706] hardirqs last enabled at (391831): [] kasan_quarantine_put+0xc4/0x200 [ 78.185903][ T4706] hardirqs last disabled at (391832): [] el1_dbg+0x24/0x80 [ 78.187367][ T4706] softirqs last enabled at (391640): [] handle_softirqs+0xa40/0xbe4 [ 78.189015][ T4706] softirqs last disabled at (391629): [] __irq_exit_rcu+0x240/0x43c [ 78.190628][ T4706] ---[ end trace 2a4faa024f60255d ]--- [ 78.218201][ T4915] BTRFS: device fsid 7e32c2af-f87a-45a1-bcba-64dea7c56a53 devid 1 transid 10 /dev/loop0 scanned by udevd (4915) [ 79.029742][ T5006] loop0: detected capacity change from 0 to 262144 [ 79.036424][ T5006] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 79.037840][ T5006] BTRFS info (device loop0): enabling ssd optimizations [ 79.038905][ T5006] BTRFS info (device loop0): enabling auto defrag [ 79.040007][ T5006] BTRFS info (device loop0): using free space tree [ 79.041096][ T5006] BTRFS info (device loop0): has skinny extents [ 79.042113][ T5006] BTRFS info (device loop0): flagging fs with big metadata feature [ 79.060860][ T5006] FAULT_INJECTION: forcing a failure. [ 79.060860][ T5006] name failslab, interval 1, probability 0, space 0, times 0 [ 79.062899][ T5006] CPU: 0 PID: 5006 Comm: syz.0.19 Tainted: G W syzkaller #0 [ 79.064320][ T5006] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.066017][ T5006] Call trace: [ 79.066571][ T5006] dump_backtrace+0x0/0x458 [ 79.067345][ T5006] show_stack+0x2c/0x3c [ 79.068099][ T5006] __dump_stack+0x30/0x40 [ 79.068796][ T5006] dump_stack_lvl+0xf4/0x15c [ 79.069563][ T5006] dump_stack+0x1c/0x5c [ 79.070290][ T5006] should_fail+0x3bc/0x514 [ 79.071069][ T5006] __should_failslab+0xbc/0x10c [ 79.071899][ T5006] should_failslab+0x10/0x28 [ 79.072696][ T5006] slab_pre_alloc_hook+0x64/0xe8 [ 79.073565][ T5006] kmem_cache_alloc+0x94/0x3d4 [ 79.074373][ T5006] btrfs_alloc_tree_block+0xa3c/0x1130 [ 79.075258][ T5006] btrfs_force_cow_block+0x3a8/0x16fc [ 79.076169][ T5006] btrfs_cow_block+0x2d8/0x66c [ 79.076980][ T5006] btrfs_search_slot+0xa10/0x1f44 [ 79.077769][ T5006] btrfs_insert_empty_items+0x1d8/0x2a0 [ 79.078624][ T5006] insert_balance_item+0x170/0x115c [ 79.079451][ T5006] btrfs_balance+0x8e4/0x113c [ 79.080211][ T5006] btrfs_ioctl_balance+0x4cc/0x658 [ 79.080958][ T5006] btrfs_ioctl+0x20c/0xa8c [ 79.081664][ T5006] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.082464][ T5006] invoke_syscall+0x98/0x2b0 [ 79.083185][ T5006] el0_svc_common+0x138/0x258 [ 79.083935][ T5006] do_el0_svc+0x58/0x13c [ 79.084610][ T5006] el0_svc+0x78/0x1d0 [ 79.085285][ T5006] el0t_64_sync_handler+0xcc/0xe4 [ 79.086122][ T5006] el0t_64_sync+0x1a0/0x1a4 [ 79.119553][ T4706] ------------[ cut here ]------------ [ 79.120402][ T4706] WARNING: CPU: 0 PID: 4706 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 79.122180][ T4706] Modules linked in: [ 79.122776][ T4706] CPU: 0 PID: 4706 Comm: syz-executor Tainted: G W syzkaller #0 [ 79.124209][ T4706] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.125917][ T4706] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.127208][ T4706] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 79.128507][ T4706] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x664 [ 79.129625][ T4706] sp : ffff80001f8f7740 [ 79.130329][ T4706] x29: ffff80001f8f7750 x28: dfff800000000000 x27: 1fffe0001abe030c [ 79.131701][ T4706] x26: dfff800000000000 x25: ffff8000142ad110 x24: 0000000000000001 1970/01/01 00:01:19 executed programs: 7 [ 79.133093][ T4706] x23: 0000000000000004 x22: 000000000033c000 x21: 0000000000340000 [ 79.134450][ T4706] x20: ffff0000d5f01860 x19: 0000000000000000 x18: 0000000000000000 [ 79.135692][ T4706] x17: 0000000000000000 x16: ffff8000112695d4 x15: 0000000000000000 [ 79.136983][ T4706] x14: ffff700003f1eedc x13: 1ffff00003f1eedc x12: 0000000000ff0100 [ 79.138352][ T4706] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a05b1dc [ 79.139707][ T4706] x8 : ffff0000da03b680 x7 : ffff80000a05a4c0 x6 : 0000000000000000 [ 79.140990][ T4706] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d8840 [ 79.142370][ T4706] x2 : ffffffffffcc0000 x1 : 0000000000340000 x0 : 000000000033c000 [ 79.143743][ T4706] Call trace: [ 79.144285][ T4706] btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 79.145441][ T4706] btrfs_block_rsv_release+0x3f8/0x4d4 [ 79.146314][ T4706] btrfs_release_global_block_rsv+0x38/0x22c [ 79.147307][ T4706] btrfs_free_block_groups+0x7ac/0xb3c [ 79.148233][ T4706] close_ctree+0x618/0x834 [ 79.148924][ T4706] btrfs_put_super+0x40/0x50 [ 79.149687][ T4706] generic_shutdown_super+0x130/0x2f0 [ 79.150534][ T4706] kill_anon_super+0x4c/0x80 [ 79.151292][ T4706] btrfs_kill_super+0x40/0x58 [ 79.152062][ T4706] deactivate_locked_super+0xb8/0x134 [ 79.152934][ T4706] deactivate_super+0xf0/0x110 [ 79.153721][ T4706] cleanup_mnt+0x3b8/0x46c [ 79.154480][ T4706] __cleanup_mnt+0x20/0x30 [ 79.155273][ T4706] task_work_run+0x12c/0x1d8 [ 79.156062][ T4706] do_notify_resume+0x2450/0x309c [ 79.156895][ T4706] el0_svc+0xf0/0x1d0 [ 79.157596][ T4706] el0t_64_sync_handler+0xcc/0xe4 [ 79.158420][ T4706] el0t_64_sync+0x1a0/0x1a4 [ 79.159140][ T4706] irq event stamp: 400212 [ 79.159888][ T4706] hardirqs last enabled at (400211): [] kasan_quarantine_put+0xc4/0x200 [ 79.161539][ T4706] hardirqs last disabled at (400212): [] el1_dbg+0x24/0x80 [ 79.162994][ T4706] softirqs last enabled at (400018): [] handle_softirqs+0xa40/0xbe4 [ 79.164614][ T4706] softirqs last disabled at (400005): [] __irq_exit_rcu+0x240/0x43c [ 79.166207][ T4706] ---[ end trace 2a4faa024f60255e ]--- [ 80.116564][ T5028] loop0: detected capacity change from 0 to 262144 [ 80.163335][ T5028] BTRFS: device fsid 7e32c2af-f87a-45a1-bcba-64dea7c56a53 devid 1 transid 8 /dev/loop0 scanned by syz.0.20 (5028) [ 80.167407][ T5028] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 80.168753][ T5028] BTRFS info (device loop0): enabling ssd optimizations [ 80.169846][ T5028] BTRFS info (device loop0): enabling auto defrag [ 80.171003][ T5028] BTRFS info (device loop0): using free space tree [ 80.172118][ T5028] BTRFS info (device loop0): has skinny extents [ 80.173226][ T5028] BTRFS info (device loop0): flagging fs with big metadata feature [ 80.179311][ T636] validate_extent_buffer: 5 callbacks suppressed [ 80.179321][ T636] BTRFS warning (device loop0): checksum verify failed on 22036480 wanted 0x23e101be1e001a29 found 0x98e2f59226e63d74 level 0 [ 80.182953][ T5028] repair_io_failure: 50 callbacks suppressed [ 80.182962][ T5028] BTRFS info (device loop0): read error corrected: ino 0 off 22036480 (dev /dev/loop0 sector 43040) [ 80.186390][ T5028] BTRFS info (device loop0): read error corrected: ino 0 off 22040576 (dev /dev/loop0 sector 43048) [ 80.188362][ T5028] BTRFS info (device loop0): read error corrected: ino 0 off 22044672 (dev /dev/loop0 sector 43056) [ 80.190271][ T5028] BTRFS info (device loop0): read error corrected: ino 0 off 22048768 (dev /dev/loop0 sector 43064) [ 80.192626][ T636] BTRFS warning (device loop0): checksum verify failed on 30670848 wanted 0xe9f08ec94c425425 found 0x1a4a9216e61c07c8 level 0 [ 80.195599][ T5028] BTRFS info (device loop0): read error corrected: ino 0 off 30670848 (dev /dev/loop0 sector 76288) [ 80.197373][ T5028] BTRFS info (device loop0): read error corrected: ino 0 off 30674944 (dev /dev/loop0 sector 76296) [ 80.199204][ T5028] BTRFS info (device loop0): read error corrected: ino 0 off 30679040 (dev /dev/loop0 sector 76304) [ 80.201021][ T5028] BTRFS info (device loop0): read error corrected: ino 0 off 30683136 (dev /dev/loop0 sector 76312) [ 80.214445][ T636] BTRFS warning (device loop0): checksum verify failed on 30457856 wanted 0x402e75f1de9ccfe6 found 0x64dad595b87aeca8 level 0 [ 80.216777][ T5028] BTRFS info (device loop0): read error corrected: ino 0 off 30457856 (dev /dev/loop0 sector 75872) [ 80.218606][ T5028] BTRFS info (device loop0): read error corrected: ino 0 off 30461952 (dev /dev/loop0 sector 75880) [ 80.222848][ T5028] FAULT_INJECTION: forcing a failure. [ 80.222848][ T5028] name failslab, interval 1, probability 0, space 0, times 0 [ 80.225487][ T5028] CPU: 0 PID: 5028 Comm: syz.0.20 Tainted: G W syzkaller #0 [ 80.226880][ T5028] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.228519][ T5028] Call trace: [ 80.229019][ T5028] dump_backtrace+0x0/0x458 [ 80.229758][ T5028] show_stack+0x2c/0x3c [ 80.230440][ T5028] __dump_stack+0x30/0x40 [ 80.231173][ T5028] dump_stack_lvl+0xf4/0x15c [ 80.231897][ T5028] dump_stack+0x1c/0x5c [ 80.232603][ T5028] should_fail+0x3bc/0x514 [ 80.233362][ T5028] __should_failslab+0xbc/0x10c [ 80.234245][ T5028] should_failslab+0x10/0x28 [ 80.235022][ T5028] slab_pre_alloc_hook+0x64/0xe8 [ 80.235783][ T5028] kmem_cache_alloc+0x94/0x3d4 [ 80.236572][ T5028] btrfs_add_delayed_tree_ref+0x180/0xd44 [ 80.237550][ T5028] btrfs_alloc_tree_block+0xb98/0x1130 [ 80.238493][ T5028] btrfs_force_cow_block+0x3a8/0x16fc [ 80.239373][ T5028] btrfs_cow_block+0x2d8/0x66c [ 80.240158][ T5028] btrfs_search_slot+0xa10/0x1f44 [ 80.240964][ T5028] btrfs_insert_empty_items+0x1d8/0x2a0 [ 80.241821][ T5028] insert_balance_item+0x170/0x115c [ 80.242708][ T5028] btrfs_balance+0x8e4/0x113c [ 80.243443][ T5028] btrfs_ioctl_balance+0x4cc/0x658 [ 80.244264][ T5028] btrfs_ioctl+0x20c/0xa8c [ 80.245004][ T5028] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.245865][ T5028] invoke_syscall+0x98/0x2b0 [ 80.246612][ T5028] el0_svc_common+0x138/0x258 [ 80.247395][ T5028] do_el0_svc+0x58/0x13c [ 80.248044][ T5028] el0_svc+0x78/0x1d0 [ 80.248718][ T5028] el0t_64_sync_handler+0xcc/0xe4 [ 80.249510][ T5028] el0t_64_sync+0x1a0/0x1a4 [ 80.287081][ T4706] ------------[ cut here ]------------ [ 80.287885][ T4706] WARNING: CPU: 0 PID: 4706 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 80.289454][ T4706] Modules linked in: [ 80.289977][ T4706] CPU: 0 PID: 4706 Comm: syz-executor Tainted: G W syzkaller #0 [ 80.291341][ T4706] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.292928][ T4706] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 80.294308][ T4706] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 80.295441][ T4706] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x664 [ 80.296635][ T4706] sp : ffff80001f8f7740 [ 80.297305][ T4706] x29: ffff80001f8f7750 x28: dfff800000000000 x27: 1fffe00019a64b0c [ 80.298605][ T4706] x26: dfff800000000000 x25: ffff8000142ad110 x24: 0000000000000001 [ 80.299876][ T4706] x23: 0000000000000004 x22: 000000000033c000 x21: 0000000000340000 [ 80.301187][ T4706] x20: ffff0000cd325860 x19: 0000000000000000 x18: 0000000000000000 [ 80.302500][ T4706] x17: 0000000000000000 x16: ffff8000112695d4 x15: 0000000000000000 [ 80.303786][ T4706] x14: ffff700003f1eedc x13: 1ffff00003f1eedc x12: 0000000000ff0100 [ 80.305039][ T4706] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a05b1dc [ 80.306254][ T4706] x8 : ffff0000da03b680 x7 : ffff80000a05a4c0 x6 : 0000000000000000 [ 80.307657][ T4706] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d8840 [ 80.309005][ T4706] x2 : ffffffffffcc0000 x1 : 0000000000340000 x0 : 000000000033c000 [ 80.310320][ T4706] Call trace: [ 80.310887][ T4706] btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 80.312017][ T4706] btrfs_block_rsv_release+0x3f8/0x4d4 [ 80.312877][ T4706] btrfs_release_global_block_rsv+0x38/0x22c [ 80.313792][ T4706] btrfs_free_block_groups+0x7ac/0xb3c [ 80.314676][ T4706] close_ctree+0x618/0x834 [ 80.315369][ T4706] btrfs_put_super+0x40/0x50 [ 80.316177][ T4706] generic_shutdown_super+0x130/0x2f0 [ 80.317033][ T4706] kill_anon_super+0x4c/0x80 [ 80.317772][ T4706] btrfs_kill_super+0x40/0x58 [ 80.318541][ T4706] deactivate_locked_super+0xb8/0x134 [ 80.319488][ T4706] deactivate_super+0xf0/0x110 [ 80.320262][ T4706] cleanup_mnt+0x3b8/0x46c [ 80.321027][ T4706] __cleanup_mnt+0x20/0x30 [ 80.321852][ T4706] task_work_run+0x12c/0x1d8 [ 80.322641][ T4706] do_notify_resume+0x2450/0x309c [ 80.323519][ T4706] el0_svc+0xf0/0x1d0 [ 80.324169][ T4706] el0t_64_sync_handler+0xcc/0xe4 [ 80.325016][ T4706] el0t_64_sync+0x1a0/0x1a4 [ 80.325778][ T4706] irq event stamp: 487680 [ 80.326586][ T4706] hardirqs last enabled at (487679): [] kasan_quarantine_put+0xc4/0x200 [ 80.328388][ T4706] hardirqs last disabled at (487680): [] el1_dbg+0x24/0x80 [ 80.329961][ T4706] softirqs last enabled at (485676): [] local_bh_enable+0x10/0x34 [ 80.331559][ T4706] softirqs last disabled at (485674): [] local_bh_disable+0x10/0x34 [ 80.333305][ T4706] ---[ end trace 2a4faa024f60255f ]--- [ 81.259052][ T5051] loop0: detected capacity change from 0 to 262144 [ 81.297960][ T5051] BTRFS: device fsid 7e32c2af-f87a-45a1-bcba-64dea7c56a53 devid 1 transid 8 /dev/loop0 scanned by syz.0.21 (5051) [ 81.302388][ T5051] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 81.303883][ T5051] BTRFS info (device loop0): enabling ssd optimizations [ 81.305101][ T5051] BTRFS info (device loop0): enabling auto defrag [ 81.306092][ T5051] BTRFS info (device loop0): using free space tree [ 81.307216][ T5051] BTRFS info (device loop0): has skinny extents [ 81.308290][ T5051] BTRFS info (device loop0): flagging fs with big metadata feature [ 81.314279][ T636] BTRFS warning (device loop0): checksum verify failed on 22036480 wanted 0x23e101be1e001a29 found 0x98e2f59226e63d74 level 0 [ 81.317543][ T1620] BTRFS warning (device loop0): checksum verify failed on 30670848 wanted 0xe9f08ec94c425425 found 0x1a4a9216e61c07c8 level 0 [ 81.323766][ T136] BTRFS warning (device loop0): checksum verify failed on 30457856 wanted 0x402e75f1de9ccfe6 found 0x64dad595b87aeca8 level 0 [ 81.329437][ T5051] FAULT_INJECTION: forcing a failure. [ 81.329437][ T5051] name failslab, interval 1, probability 0, space 0, times 0 [ 81.331402][ T5051] CPU: 1 PID: 5051 Comm: syz.0.21 Tainted: G W syzkaller #0 [ 81.332775][ T5051] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.334391][ T5051] Call trace: [ 81.334897][ T5051] dump_backtrace+0x0/0x458 [ 81.335585][ T5051] show_stack+0x2c/0x3c [ 81.336185][ T5051] __dump_stack+0x30/0x40 [ 81.336872][ T5051] dump_stack_lvl+0xf4/0x15c [ 81.337578][ T5051] dump_stack+0x1c/0x5c [ 81.338259][ T5051] should_fail+0x3bc/0x514 [ 81.338935][ T5051] __should_failslab+0xbc/0x10c [ 81.339692][ T5051] should_failslab+0x10/0x28 [ 81.340400][ T5051] slab_pre_alloc_hook+0x64/0xe8 [ 81.341152][ T5051] kmem_cache_alloc+0x94/0x3d4 [ 81.341948][ T5051] btrfs_add_delayed_tree_ref+0x180/0xd44 [ 81.342902][ T5051] btrfs_alloc_tree_block+0xb98/0x1130 [ 81.343797][ T5051] btrfs_force_cow_block+0x3a8/0x16fc [ 81.344679][ T5051] btrfs_cow_block+0x2d8/0x66c [ 81.345559][ T5051] btrfs_search_slot+0xa10/0x1f44 [ 81.346403][ T5051] btrfs_insert_empty_items+0x1d8/0x2a0 [ 81.347319][ T5051] insert_balance_item+0x170/0x115c [ 81.348136][ T5051] btrfs_balance+0x8e4/0x113c [ 81.348895][ T5051] btrfs_ioctl_balance+0x4cc/0x658 [ 81.349671][ T5051] btrfs_ioctl+0x20c/0xa8c [ 81.350420][ T5051] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.351294][ T5051] invoke_syscall+0x98/0x2b0 [ 81.351989][ T5051] el0_svc_common+0x138/0x258 [ 81.352725][ T5051] do_el0_svc+0x58/0x13c [ 81.353456][ T5051] el0_svc+0x78/0x1d0 [ 81.354101][ T5051] el0t_64_sync_handler+0xcc/0xe4 [ 81.355004][ T5051] el0t_64_sync+0x1a0/0x1a4 [ 81.402334][ T4706] ------------[ cut here ]------------ [ 81.403183][ T4706] WARNING: CPU: 1 PID: 4706 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 81.405012][ T4706] Modules linked in: [ 81.405717][ T4706] CPU: 1 PID: 4706 Comm: syz-executor Tainted: G W syzkaller #0 [ 81.407242][ T4706] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.409041][ T4706] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 81.410427][ T4706] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 81.411694][ T4706] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x664 [ 81.412937][ T4706] sp : ffff80001f8f7740 [ 81.413638][ T4706] x29: ffff80001f8f7750 x28: dfff800000000000 x27: 1fffe0001af3400c [ 81.415003][ T4706] x26: dfff800000000000 x25: ffff8000142ad110 x24: 0000000000000002 [ 81.416301][ T4706] x23: 0000000000000004 x22: 000000000033c000 x21: 0000000000340000 [ 81.417637][ T4706] x20: ffff0000d79a0060 x19: 0000000000000000 x18: 0000000000000000 [ 81.418925][ T4706] x17: 0000000000000000 x16: ffff8000112695d4 x15: 0000000000000000 [ 81.420231][ T4706] x14: ffff700003f1eedc x13: 1ffff00003f1eedc x12: 0000000000ff0100 [ 81.421584][ T4706] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a05b1dc [ 81.422845][ T4706] x8 : ffff0000da03b680 x7 : ffff80000a05a4c0 x6 : 0000000000000000 [ 81.424109][ T4706] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d8840 [ 81.425455][ T4706] x2 : ffffffffffcc0000 x1 : 0000000000340000 x0 : 000000000033c000 [ 81.426855][ T4706] Call trace: [ 81.427417][ T4706] btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 81.428463][ T4706] btrfs_block_rsv_release+0x3f8/0x4d4 [ 81.429391][ T4706] btrfs_release_global_block_rsv+0x38/0x22c [ 81.430334][ T4706] btrfs_free_block_groups+0x7ac/0xb3c [ 81.431266][ T4706] close_ctree+0x618/0x834 [ 81.431952][ T4706] btrfs_put_super+0x40/0x50 [ 81.432729][ T4706] generic_shutdown_super+0x130/0x2f0 [ 81.433656][ T4706] kill_anon_super+0x4c/0x80 [ 81.434433][ T4706] btrfs_kill_super+0x40/0x58 [ 81.435188][ T4706] deactivate_locked_super+0xb8/0x134 [ 81.436122][ T4706] deactivate_super+0xf0/0x110 [ 81.436903][ T4706] cleanup_mnt+0x3b8/0x46c [ 81.437665][ T4706] __cleanup_mnt+0x20/0x30 [ 81.438380][ T4706] task_work_run+0x12c/0x1d8 [ 81.439182][ T4706] do_notify_resume+0x2450/0x309c [ 81.440048][ T4706] el0_svc+0xf0/0x1d0 [ 81.440755][ T4706] el0t_64_sync_handler+0xcc/0xe4 [ 81.441659][ T4706] el0t_64_sync+0x1a0/0x1a4 [ 81.442466][ T4706] irq event stamp: 574528 [ 81.443175][ T4706] hardirqs last enabled at (574527): [] kasan_quarantine_put+0xc4/0x200 [ 81.444853][ T4706] hardirqs last disabled at (574528): [] el1_dbg+0x24/0x80 [ 81.446352][ T4706] softirqs last enabled at (572812): [] local_bh_enable+0x10/0x34 [ 81.447877][ T4706] softirqs last disabled at (572810): [] local_bh_disable+0x10/0x34 [ 81.449469][ T4706] ---[ end trace 2a4faa024f602560 ]--- [ 82.416040][ T5073] loop0: detected capacity change from 0 to 262144 [ 82.470477][ T5073] BTRFS: device fsid 7e32c2af-f87a-45a1-bcba-64dea7c56a53 devid 1 transid 8 /dev/loop0 scanned by syz.0.22 (5073) [ 82.475505][ T5073] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 82.476913][ T5073] BTRFS info (device loop0): enabling ssd optimizations [ 82.478025][ T5073] BTRFS info (device loop0): enabling auto defrag [ 82.479016][ T5073] BTRFS info (device loop0): using free space tree [ 82.480052][ T5073] BTRFS info (device loop0): has skinny extents [ 82.481029][ T5073] BTRFS info (device loop0): flagging fs with big metadata feature [ 82.486777][ T1620] BTRFS warning (device loop0): checksum verify failed on 22036480 wanted 0x23e101be1e001a29 found 0x98e2f59226e63d74 level 0 [ 82.490013][ T636] BTRFS warning (device loop0): checksum verify failed on 30670848 wanted 0xe9f08ec94c425425 found 0x1a4a9216e61c07c8 level 0 [ 82.511629][ T636] BTRFS warning (device loop0): checksum verify failed on 30457856 wanted 0x402e75f1de9ccfe6 found 0x64dad595b87aeca8 level 0 [ 82.516423][ T5073] FAULT_INJECTION: forcing a failure. [ 82.516423][ T5073] name failslab, interval 1, probability 0, space 0, times 0 [ 82.518435][ T5073] CPU: 1 PID: 5073 Comm: syz.0.22 Tainted: G W syzkaller #0 [ 82.519828][ T5073] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.521411][ T5073] Call trace: [ 82.521913][ T5073] dump_backtrace+0x0/0x458 [ 82.522676][ T5073] show_stack+0x2c/0x3c [ 82.523353][ T5073] __dump_stack+0x30/0x40 [ 82.524019][ T5073] dump_stack_lvl+0xf4/0x15c [ 82.524742][ T5073] dump_stack+0x1c/0x5c [ 82.525431][ T5073] should_fail+0x3bc/0x514 [ 82.526102][ T5073] __should_failslab+0xbc/0x10c [ 82.526910][ T5073] should_failslab+0x10/0x28 [ 82.527662][ T5073] slab_pre_alloc_hook+0x64/0xe8 [ 82.528464][ T5073] kmem_cache_alloc+0x94/0x3d4 [ 82.529221][ T5073] btrfs_add_delayed_tree_ref+0x180/0xd44 [ 82.530162][ T5073] btrfs_alloc_tree_block+0xb98/0x1130 [ 82.531008][ T5073] btrfs_force_cow_block+0x3a8/0x16fc [ 82.531893][ T5073] btrfs_cow_block+0x2d8/0x66c [ 82.532641][ T5073] btrfs_search_slot+0xa10/0x1f44 [ 82.533462][ T5073] btrfs_insert_empty_items+0x1d8/0x2a0 [ 82.534363][ T5073] insert_balance_item+0x170/0x115c [ 82.535182][ T5073] btrfs_balance+0x8e4/0x113c [ 82.535929][ T5073] btrfs_ioctl_balance+0x4cc/0x658 [ 82.536743][ T5073] btrfs_ioctl+0x20c/0xa8c [ 82.537453][ T5073] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.538259][ T5073] invoke_syscall+0x98/0x2b0 [ 82.539019][ T5073] el0_svc_common+0x138/0x258 [ 82.539851][ T5073] do_el0_svc+0x58/0x13c [ 82.540519][ T5073] el0_svc+0x78/0x1d0 [ 82.541172][ T5073] el0t_64_sync_handler+0xcc/0xe4 [ 82.541979][ T5073] el0t_64_sync+0x1a0/0x1a4 [ 82.578205][ T4706] ------------[ cut here ]------------ [ 82.579060][ T4706] WARNING: CPU: 1 PID: 4706 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 82.580843][ T4706] Modules linked in: [ 82.581394][ T4706] CPU: 1 PID: 4706 Comm: syz-executor Tainted: G W syzkaller #0 [ 82.582693][ T4706] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.584213][ T4706] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 82.585496][ T4706] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 82.586587][ T4706] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x664 [ 82.587754][ T4706] sp : ffff80001f8f7740 [ 82.588480][ T4706] x29: ffff80001f8f7750 x28: dfff800000000000 x27: 1fffe0001adbd00c [ 82.589791][ T4706] x26: dfff800000000000 x25: ffff8000142ad110 x24: 0000000000000002 [ 82.591083][ T4706] x23: 0000000000000004 x22: 000000000033c000 x21: 0000000000340000 [ 82.592464][ T4706] x20: ffff0000d6de8060 x19: 0000000000000000 x18: 0000000000000000 [ 82.593791][ T4706] x17: 0000000000000000 x16: ffff8000112695d4 x15: 0000000000000000 [ 82.595113][ T4706] x14: ffff700003f1eedc x13: 1ffff00003f1eedc x12: 0000000000ff0100 [ 82.596363][ T4706] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a05b1dc [ 82.597717][ T4706] x8 : ffff0000da03b680 x7 : ffff80000a05a4c0 x6 : 0000000000000000 [ 82.599001][ T4706] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d8840 [ 82.600277][ T4706] x2 : ffffffffffcc0000 x1 : 0000000000340000 x0 : 000000000033c000 [ 82.601560][ T4706] Call trace: [ 82.602105][ T4706] btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 82.603094][ T4706] btrfs_block_rsv_release+0x3f8/0x4d4 [ 82.603969][ T4706] btrfs_release_global_block_rsv+0x38/0x22c [ 82.604912][ T4706] btrfs_free_block_groups+0x7ac/0xb3c [ 82.605783][ T4706] close_ctree+0x618/0x834 [ 82.606527][ T4706] btrfs_put_super+0x40/0x50 [ 82.607229][ T4706] generic_shutdown_super+0x130/0x2f0 [ 82.608075][ T4706] kill_anon_super+0x4c/0x80 [ 82.608840][ T4706] btrfs_kill_super+0x40/0x58 [ 82.609592][ T4706] deactivate_locked_super+0xb8/0x134 [ 82.610478][ T4706] deactivate_super+0xf0/0x110 [ 82.611277][ T4706] cleanup_mnt+0x3b8/0x46c [ 82.611946][ T4706] __cleanup_mnt+0x20/0x30 [ 82.612665][ T4706] task_work_run+0x12c/0x1d8 [ 82.613435][ T4706] do_notify_resume+0x2450/0x309c [ 82.614270][ T4706] el0_svc+0xf0/0x1d0 [ 82.614927][ T4706] el0t_64_sync_handler+0xcc/0xe4 [ 82.615733][ T4706] el0t_64_sync+0x1a0/0x1a4 [ 82.616456][ T4706] irq event stamp: 661586 [ 82.617138][ T4706] hardirqs last enabled at (661585): [] kasan_quarantine_put+0xc4/0x200 [ 82.618727][ T4706] hardirqs last disabled at (661586): [] el1_dbg+0x24/0x80 [ 82.620212][ T4706] softirqs last enabled at (659600): [] local_bh_enable+0x10/0x34 [ 82.621794][ T4706] softirqs last disabled at (659598): [] local_bh_disable+0x10/0x34 [ 82.623265][ T4706] ---[ end trace 2a4faa024f602561 ]--- [ 83.550065][ T5095] loop0: detected capacity change from 0 to 262144 [ 83.584783][ T5095] BTRFS: device fsid 7e32c2af-f87a-45a1-bcba-64dea7c56a53 devid 1 transid 8 /dev/loop0 scanned by syz.0.23 (5095) [ 83.588001][ T5095] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 83.589405][ T5095] BTRFS info (device loop0): enabling ssd optimizations [ 83.590473][ T5095] BTRFS info (device loop0): enabling auto defrag [ 83.591567][ T5095] BTRFS info (device loop0): using free space tree [ 83.592739][ T5095] BTRFS info (device loop0): has skinny extents [ 83.593789][ T5095] BTRFS info (device loop0): flagging fs with big metadata feature [ 83.599138][ T1620] BTRFS warning (device loop0): checksum verify failed on 22036480 wanted 0x23e101be1e001a29 found 0x98e2f59226e63d74 level 0 [ 83.615713][ T5095] FAULT_INJECTION: forcing a failure. [ 83.615713][ T5095] name failslab, interval 1, probability 0, space 0, times 0 [ 83.617679][ T5095] CPU: 1 PID: 5095 Comm: syz.0.23 Tainted: G W syzkaller #0 [ 83.619027][ T5095] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.620580][ T5095] Call trace: [ 83.621095][ T5095] dump_backtrace+0x0/0x458 [ 83.621863][ T5095] show_stack+0x2c/0x3c [ 83.622558][ T5095] __dump_stack+0x30/0x40 [ 83.623302][ T5095] dump_stack_lvl+0xf4/0x15c [ 83.624099][ T5095] dump_stack+0x1c/0x5c [ 83.624757][ T5095] should_fail+0x3bc/0x514 [ 83.625457][ T5095] __should_failslab+0xbc/0x10c [ 83.626221][ T5095] should_failslab+0x10/0x28 [ 83.626962][ T5095] slab_pre_alloc_hook+0x64/0xe8 [ 83.627717][ T5095] kmem_cache_alloc+0x94/0x3d4 [ 83.628425][ T5095] btrfs_add_delayed_tree_ref+0x180/0xd44 [ 83.629284][ T5095] btrfs_alloc_tree_block+0xb98/0x1130 [ 83.630170][ T5095] btrfs_force_cow_block+0x3a8/0x16fc [ 83.631058][ T5095] btrfs_cow_block+0x2d8/0x66c [ 83.631806][ T5095] btrfs_search_slot+0xa10/0x1f44 [ 83.632676][ T5095] btrfs_insert_empty_items+0x1d8/0x2a0 [ 83.633596][ T5095] insert_balance_item+0x170/0x115c [ 83.634457][ T5095] btrfs_balance+0x8e4/0x113c [ 83.635159][ T5095] btrfs_ioctl_balance+0x4cc/0x658 [ 83.635980][ T5095] btrfs_ioctl+0x20c/0xa8c [ 83.636689][ T5095] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.637461][ T5095] invoke_syscall+0x98/0x2b0 [ 83.638196][ T5095] el0_svc_common+0x138/0x258 [ 83.638980][ T5095] do_el0_svc+0x58/0x13c [ 83.639683][ T5095] el0_svc+0x78/0x1d0 [ 83.640310][ T5095] el0t_64_sync_handler+0xcc/0xe4 [ 83.641109][ T5095] el0t_64_sync+0x1a0/0x1a4 [ 83.676979][ T4706] ------------[ cut here ]------------ [ 83.677828][ T4706] WARNING: CPU: 1 PID: 4706 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 83.679554][ T4706] Modules linked in: [ 83.680140][ T4706] CPU: 1 PID: 4706 Comm: syz-executor Tainted: G W syzkaller #0 [ 83.681606][ T4706] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.683260][ T4706] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 83.684586][ T4706] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 83.685730][ T4706] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x664 [ 83.686866][ T4706] sp : ffff80001f8f7740 [ 83.687536][ T4706] x29: ffff80001f8f7750 x28: dfff800000000000 x27: 1fffe0001b57e70c [ 83.688818][ T4706] x26: dfff800000000000 x25: ffff8000142ad110 x24: 0000000000000002 [ 83.690093][ T4706] x23: 0000000000000004 x22: 000000000033c000 x21: 0000000000340000 [ 83.691466][ T4706] x20: ffff0000dabf3860 x19: 0000000000000000 x18: 0000000000000000 [ 83.692762][ T4706] x17: 0000000000000000 x16: ffff8000112695d4 x15: 0000000000000000 [ 83.693948][ T4706] x14: ffff700003f1eedc x13: 1ffff00003f1eedc x12: 0000000000ff0100 [ 83.695140][ T4706] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a05b1dc [ 83.696352][ T4706] x8 : ffff0000da03b680 x7 : ffff80000a05a4c0 x6 : 0000000000000000 [ 83.697538][ T4706] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d8840 [ 83.698700][ T4706] x2 : ffffffffffcc0000 x1 : 0000000000340000 x0 : 000000000033c000 [ 83.699987][ T4706] Call trace: [ 83.700554][ T4706] btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 83.701578][ T4706] btrfs_block_rsv_release+0x3f8/0x4d4 [ 83.702381][ T4706] btrfs_release_global_block_rsv+0x38/0x22c [ 83.703419][ T4706] btrfs_free_block_groups+0x7ac/0xb3c [ 83.704368][ T4706] close_ctree+0x618/0x834 [ 83.705064][ T4706] btrfs_put_super+0x40/0x50 [ 83.705806][ T4706] generic_shutdown_super+0x130/0x2f0 [ 83.706605][ T4706] kill_anon_super+0x4c/0x80 [ 83.707230][ T4706] btrfs_kill_super+0x40/0x58 [ 83.707878][ T4706] deactivate_locked_super+0xb8/0x134 [ 83.708748][ T4706] deactivate_super+0xf0/0x110 [ 83.709437][ T4706] cleanup_mnt+0x3b8/0x46c [ 83.710038][ T4706] __cleanup_mnt+0x20/0x30 [ 83.710644][ T4706] task_work_run+0x12c/0x1d8 [ 83.711295][ T4706] do_notify_resume+0x2450/0x309c [ 83.711989][ T4706] el0_svc+0xf0/0x1d0 [ 83.712584][ T4706] el0t_64_sync_handler+0xcc/0xe4 [ 83.713273][ T4706] el0t_64_sync+0x1a0/0x1a4 [ 83.713974][ T4706] irq event stamp: 749408 [ 83.714539][ T4706] hardirqs last enabled at (749407): [] kasan_quarantine_put+0xc4/0x200 [ 83.715977][ T4706] hardirqs last disabled at (749408): [] el1_dbg+0x24/0x80 [ 83.717185][ T4706] softirqs last enabled at (746842): [] local_bh_enable+0x10/0x34 [ 83.718741][ T4706] softirqs last disabled at (746840): [] local_bh_disable+0x10/0x34 [ 83.720284][ T4706] ---[ end trace 2a4faa024f602562 ]--- [ 84.639509][ T5117] loop0: detected capacity change from 0 to 262144 [ 84.688995][ T5117] BTRFS: device fsid 7e32c2af-f87a-45a1-bcba-64dea7c56a53 devid 1 transid 8 /dev/loop0 scanned by syz.0.24 (5117) [ 84.692886][ T5117] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 84.694460][ T5117] BTRFS info (device loop0): enabling ssd optimizations [ 84.695644][ T5117] BTRFS info (device loop0): enabling auto defrag [ 84.696743][ T5117] BTRFS info (device loop0): using free space tree [ 84.697810][ T5117] BTRFS info (device loop0): has skinny extents [ 84.698966][ T5117] BTRFS info (device loop0): flagging fs with big metadata feature [ 84.715541][ T5117] FAULT_INJECTION: forcing a failure. [ 84.715541][ T5117] name failslab, interval 1, probability 0, space 0, times 0 [ 84.717577][ T5117] CPU: 1 PID: 5117 Comm: syz.0.24 Tainted: G W syzkaller #0 [ 84.718933][ T5117] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.720466][ T5117] Call trace: [ 84.720975][ T5117] dump_backtrace+0x0/0x458 [ 84.721654][ T5117] show_stack+0x2c/0x3c [ 84.722290][ T5117] __dump_stack+0x30/0x40 [ 84.723016][ T5117] dump_stack_lvl+0xf4/0x15c [ 84.723782][ T5117] dump_stack+0x1c/0x5c [ 84.724471][ T5117] should_fail+0x3bc/0x514 [ 84.725195][ T5117] __should_failslab+0xbc/0x10c [ 84.725952][ T5117] should_failslab+0x10/0x28 [ 84.726703][ T5117] slab_pre_alloc_hook+0x64/0xe8 [ 84.727523][ T5117] kmem_cache_alloc+0x94/0x3d4 [ 84.728283][ T5117] btrfs_add_delayed_tree_ref+0x180/0xd44 [ 84.729197][ T5117] btrfs_alloc_tree_block+0xb98/0x1130 [ 84.730053][ T5117] btrfs_force_cow_block+0x3a8/0x16fc [ 84.730982][ T5117] btrfs_cow_block+0x2d8/0x66c [ 84.731741][ T5117] btrfs_search_slot+0xa10/0x1f44 [ 84.732551][ T5117] btrfs_insert_empty_items+0x1d8/0x2a0 [ 84.733503][ T5117] insert_balance_item+0x170/0x115c [ 84.734330][ T5117] btrfs_balance+0x8e4/0x113c