Warning: Permanently added '10.128.1.21' (ED25519) to the list of known hosts. 1970/01/01 00:01:04 ignoring optional flag "type"="gce" 1970/01/01 00:01:05 parsed 1 programs [ 66.276348][ T4410] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 68.251839][ T4558] chnl_net:caif_netlink_parms(): no params data found [ 68.271232][ T4558] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.272590][ T4558] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.274167][ T4558] device bridge_slave_0 entered promiscuous mode [ 68.276277][ T4558] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.277390][ T4558] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.278851][ T4558] device bridge_slave_1 entered promiscuous mode [ 68.287368][ T4558] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.290007][ T4558] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.297943][ T4558] team0: Port device team_slave_0 added [ 68.299732][ T4558] team0: Port device team_slave_1 added [ 68.307109][ T4558] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 68.308184][ T4558] 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. [ 68.312460][ T4558] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 68.317059][ T4558] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 68.318219][ T4558] 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. [ 68.322226][ T4558] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 68.375520][ T4558] device hsr_slave_0 entered promiscuous mode [ 68.424674][ T4558] device hsr_slave_1 entered promiscuous mode [ 69.118384][ T4558] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 69.156309][ T4558] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 69.208581][ T4558] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 69.245703][ T4558] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 69.326731][ T4558] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.332291][ T283] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.333847][ T283] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.337697][ T4558] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.341063][ T283] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.342679][ T283] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.344106][ T283] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.345350][ T283] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.348131][ T283] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.350696][ T283] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.352296][ T283] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.353792][ T283] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.355066][ T283] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.360762][ T1620] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.363011][ T1620] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.369083][ T1620] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.371264][ T1620] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.373065][ T1620] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.377216][ T1620] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.378960][ T1620] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.381825][ T1620] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.383414][ T1620] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.387361][ T1620] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.388984][ T1620] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.395937][ T4558] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.450533][ T4558] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.455638][ T283] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.456935][ T283] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.463074][ T283] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 69.465474][ T283] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 69.471490][ T4558] device veth0_vlan entered promiscuous mode [ 69.475134][ T1620] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 69.476754][ T1620] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 69.478608][ T4558] device veth1_vlan entered promiscuous mode [ 69.479958][ T1620] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 69.481526][ T1620] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 69.482937][ T1620] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 69.490203][ T283] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 69.491750][ T283] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 69.493330][ T283] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 69.496854][ T4558] device veth0_macvtap entered promiscuous mode [ 69.499147][ T4558] device veth1_macvtap entered promiscuous mode [ 69.503834][ T4558] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 69.507693][ T4558] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 69.508983][ T283] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 69.510516][ T283] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 69.511981][ T283] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 69.513389][ T283] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 69.516516][ T283] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 69.518141][ T283] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 69.520906][ T4558] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 69.522348][ T4558] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 69.523789][ T4558] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 69.525792][ T4558] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 69.625528][ T3340] cfg80211: failed to load regulatory.db [ 69.634687][ T2063] ieee802154 phy0 wpan0: encryption failed: -22 [ 69.635901][ T2063] ieee802154 phy1 wpan1: encryption failed: -22 [ 69.657258][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 69.658575][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 69.660613][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 69.667078][ T1620] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 69.668473][ T1620] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 69.669796][ T1620] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:01:10 executed programs: 0 [ 70.293781][ T4746] chnl_net:caif_netlink_parms(): no params data found [ 70.313291][ T4746] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.315496][ T4746] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.317041][ T4746] device bridge_slave_0 entered promiscuous mode [ 70.319112][ T4746] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.320278][ T4746] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.321822][ T4746] device bridge_slave_1 entered promiscuous mode [ 70.330118][ T4746] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.332675][ T4746] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.342303][ T4746] team0: Port device team_slave_0 added [ 70.344093][ T4746] team0: Port device team_slave_1 added [ 70.356743][ T4746] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 70.357935][ T4746] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 70.363952][ T4746] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 70.366535][ T4746] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 70.367630][ T4746] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 70.371586][ T4746] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 70.416902][ T4746] device hsr_slave_0 entered promiscuous mode [ 70.464726][ T4746] device hsr_slave_1 entered promiscuous mode [ 70.494531][ T4746] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 70.495715][ T4746] Cannot create hsr debugfs directory [ 70.532777][ T4746] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 72.274407][ T4170] Bluetooth: hci0: command 0x0409 tx timeout [ 72.998269][ T4746] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 74.344509][ T4170] Bluetooth: hci0: command 0x041b tx timeout [ 75.487643][ T4746] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 75.528434][ T4746] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 75.668320][ T4746] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 75.695866][ T4746] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 75.726125][ T4746] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 75.786274][ T4746] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 75.855247][ T4746] 8021q: adding VLAN 0 to HW filter on device bond0 [ 75.858985][ T408] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 75.860565][ T408] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.863197][ T4746] 8021q: adding VLAN 0 to HW filter on device team0 [ 75.867850][ T1620] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 75.869450][ T1620] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 75.870903][ T1620] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.872089][ T1620] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.879054][ T1620] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 75.880592][ T1620] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 75.882068][ T1620] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 75.883579][ T1620] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.884864][ T1620] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.887383][ T1620] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 75.890076][ T1620] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 75.892805][ T1620] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 75.894673][ T1620] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 75.896315][ T1620] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 75.899044][ T1620] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 75.900774][ T1620] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 75.903736][ T408] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 75.905566][ T408] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 75.909072][ T408] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 75.910707][ T408] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 75.912870][ T4746] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 75.959740][ T408] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 75.961090][ T408] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 75.964327][ T4746] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 75.970866][ T408] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 75.972705][ T408] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 75.978577][ T408] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 75.980090][ T408] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 75.981724][ T408] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 75.983220][ T408] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 75.987178][ T4746] device veth0_vlan entered promiscuous mode [ 75.990662][ T4746] device veth1_vlan entered promiscuous mode [ 75.999509][ T408] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 76.001099][ T408] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 76.002620][ T408] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 76.004112][ T408] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 76.008612][ T4746] device veth0_macvtap entered promiscuous mode [ 76.011274][ T4746] device veth1_macvtap entered promiscuous mode [ 76.017088][ T4746] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 76.018784][ T4746] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 76.020990][ T4746] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 76.022285][ T408] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 76.023862][ T408] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 76.026104][ T408] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 76.027601][ T408] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 76.030146][ T4746] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 76.031795][ T4746] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 76.033851][ T4746] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 76.036193][ T408] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 76.037807][ T408] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 76.040707][ T4746] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.043598][ T4746] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.045322][ T4746] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.046740][ T4746] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.063311][ T283] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 76.065014][ T283] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 76.067101][ T283] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 76.077228][ T283] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 76.078514][ T283] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 76.079821][ T1620] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:01:16 executed programs: 2 [ 76.434417][ T4170] Bluetooth: hci0: command 0x040f tx timeout [ 76.847699][ T4962] loop0: detected capacity change from 0 to 262144 [ 76.885096][ T4962] ======================================================= [ 76.885096][ T4962] WARNING: The mand mount option has been deprecated and [ 76.885096][ T4962] and is ignored by this kernel. Remove the mand [ 76.885096][ T4962] option from the mount to silence this warning. [ 76.885096][ T4962] ======================================================= [ 76.896843][ T4962] BTRFS: device fsid 7e32c2af-f87a-45a1-bcba-64dea7c56a53 devid 1 transid 8 /dev/loop0 scanned by syz.0.15 (4962) [ 76.903476][ T4962] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 76.906115][ T4962] BTRFS info (device loop0): enabling ssd optimizations [ 76.907351][ T4962] BTRFS info (device loop0): enabling auto defrag [ 76.908371][ T4962] BTRFS info (device loop0): using free space tree [ 76.909389][ T4962] BTRFS info (device loop0): has skinny extents [ 76.910338][ T4962] BTRFS info (device loop0): flagging fs with big metadata feature [ 76.926016][ T283] BTRFS warning (device loop0): checksum verify failed on 22036480 wanted 0x23e101be1e001a29 found 0x98e2f59226e63d74 level 0 [ 76.929378][ T4962] BTRFS info (device loop0): read error corrected: ino 0 off 22036480 (dev /dev/loop0 sector 43040) [ 76.931276][ T4962] BTRFS info (device loop0): read error corrected: ino 0 off 22040576 (dev /dev/loop0 sector 43048) [ 76.933068][ T4962] BTRFS info (device loop0): read error corrected: ino 0 off 22044672 (dev /dev/loop0 sector 43056) [ 76.935860][ T4962] BTRFS info (device loop0): read error corrected: ino 0 off 22048768 (dev /dev/loop0 sector 43064) [ 76.938586][ T408] BTRFS warning (device loop0): checksum verify failed on 30670848 wanted 0xe9f08ec94c425425 found 0x1a4a9216e61c07c8 level 0 [ 76.940986][ T4962] BTRFS info (device loop0): read error corrected: ino 0 off 30670848 (dev /dev/loop0 sector 76288) [ 76.942935][ T4962] BTRFS info (device loop0): read error corrected: ino 0 off 30674944 (dev /dev/loop0 sector 76296) [ 76.946190][ T4962] BTRFS info (device loop0): read error corrected: ino 0 off 30679040 (dev /dev/loop0 sector 76304) [ 76.947952][ T4962] BTRFS info (device loop0): read error corrected: ino 0 off 30683136 (dev /dev/loop0 sector 76312) [ 76.953004][ T408] BTRFS warning (device loop0): checksum verify failed on 30457856 wanted 0x402e75f1de9ccfe6 found 0x64dad595b87aeca8 level 0 [ 76.956475][ T4962] BTRFS info (device loop0): read error corrected: ino 0 off 30457856 (dev /dev/loop0 sector 75872) [ 76.958402][ T4962] BTRFS info (device loop0): read error corrected: ino 0 off 30461952 (dev /dev/loop0 sector 75880) [ 76.965978][ T4962] FAULT_INJECTION: forcing a failure. [ 76.965978][ T4962] name failslab, interval 1, probability 0, space 0, times 1 [ 76.968304][ T4962] CPU: 0 PID: 4962 Comm: syz.0.15 Not tainted syzkaller #0 [ 76.969494][ T4962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 76.971243][ T4962] Call trace: [ 76.971780][ T4962] dump_backtrace+0x0/0x458 [ 76.972603][ T4962] show_stack+0x2c/0x3c [ 76.973288][ T4962] __dump_stack+0x30/0x40 [ 76.974046][ T4962] dump_stack_lvl+0xf4/0x15c [ 76.974844][ T4962] dump_stack+0x1c/0x5c [ 76.975582][ T4962] should_fail+0x3bc/0x514 [ 76.976328][ T4962] __should_failslab+0xbc/0x10c [ 76.977149][ T4962] should_failslab+0x10/0x28 [ 76.977922][ T4962] slab_pre_alloc_hook+0x64/0xe8 [ 76.978744][ T4962] kmem_cache_alloc+0x94/0x3d4 [ 76.979489][ T4962] btrfs_add_delayed_tree_ref+0x19c/0xd44 [ 76.980464][ T4962] btrfs_alloc_tree_block+0xb98/0x1130 [ 76.981353][ T4962] btrfs_force_cow_block+0x3a8/0x16fc [ 76.982232][ T4962] btrfs_cow_block+0x2d8/0x66c [ 76.983042][ T4962] btrfs_search_slot+0xa10/0x1f44 [ 76.983879][ T4962] btrfs_insert_empty_items+0x1d8/0x2a0 [ 76.984812][ T4962] insert_balance_item+0x170/0x115c [ 76.985685][ T4962] btrfs_balance+0x8e4/0x113c [ 76.986516][ T4962] btrfs_ioctl_balance+0x4cc/0x658 [ 76.987388][ T4962] btrfs_ioctl+0x20c/0xa8c [ 76.988141][ T4962] __arm64_sys_ioctl+0x14c/0x1c8 [ 76.989017][ T4962] invoke_syscall+0x98/0x2b0 [ 76.989810][ T4962] el0_svc_common+0x138/0x258 [ 76.990609][ T4962] do_el0_svc+0x58/0x13c [ 76.991353][ T4962] el0_svc+0x78/0x1d0 [ 76.992059][ T4962] el0t_64_sync_handler+0xcc/0xe4 [ 76.992938][ T4962] el0t_64_sync+0x1a0/0x1a4 [ 77.046136][ T4746] ------------[ cut here ]------------ [ 77.047047][ T4746] WARNING: CPU: 0 PID: 4746 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 77.048772][ T4746] Modules linked in: [ 77.049380][ T4746] CPU: 0 PID: 4746 Comm: syz-executor Not tainted syzkaller #0 [ 77.050549][ T4746] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 77.052054][ T4746] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 77.053255][ T4746] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 77.054317][ T4746] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x664 [ 77.055442][ T4746] sp : ffff80001f247740 [ 77.056080][ T4746] x29: ffff80001f247750 x28: dfff800000000000 x27: 1fffe0001af9170c [ 77.057328][ T4746] x26: dfff800000000000 x25: ffff8000142ad110 x24: 0000000000000001 [ 77.058538][ T4746] x23: 0000000000000004 x22: 000000000033c000 x21: 0000000000340000 [ 77.059783][ T4746] x20: ffff0000d7c8b860 x19: 0000000000000000 x18: 0000000000000000 [ 77.060986][ T4746] x17: ffff800016e43000 x16: ffff8000112695d4 x15: ffff800016923540 [ 77.062203][ T4746] x14: ffff700003e48edc x13: 1ffff00003e48edc x12: 0000000000ff0100 [ 77.063388][ T4746] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a05b1dc [ 77.064585][ T4746] x8 : ffff0000c6649b40 x7 : 0000000000000000 x6 : 0000000000000000 [ 77.065772][ T4746] x5 : ffff80001701adb8 x4 : 0000000000000008 x3 : ffff8000082d8840 [ 77.066986][ T4746] x2 : ffffffffffcc0000 x1 : 0000000000340000 x0 : 000000000033c000 [ 77.068201][ T4746] Call trace: [ 77.068706][ T4746] btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 77.069808][ T4746] btrfs_block_rsv_release+0x3f8/0x4d4 [ 77.070719][ T4746] btrfs_release_global_block_rsv+0x38/0x22c [ 77.071743][ T4746] btrfs_free_block_groups+0x7ac/0xb3c [ 77.072656][ T4746] close_ctree+0x618/0x834 [ 77.073345][ T4746] btrfs_put_super+0x40/0x50 [ 77.074106][ T4746] generic_shutdown_super+0x130/0x2f0 [ 77.074966][ T4746] kill_anon_super+0x4c/0x80 [ 77.075702][ T4746] btrfs_kill_super+0x40/0x58 [ 77.076461][ T4746] deactivate_locked_super+0xb8/0x134 [ 77.077359][ T4746] deactivate_super+0xf0/0x110 [ 77.078124][ T4746] cleanup_mnt+0x3b8/0x46c [ 77.078867][ T4746] __cleanup_mnt+0x20/0x30 [ 77.079586][ T4746] task_work_run+0x12c/0x1d8 [ 77.080397][ T4746] do_notify_resume+0x2450/0x309c [ 77.081274][ T4746] el0_svc+0xf0/0x1d0 [ 77.081923][ T4746] el0t_64_sync_handler+0xcc/0xe4 [ 77.082769][ T4746] el0t_64_sync+0x1a0/0x1a4 [ 77.083479][ T4746] irq event stamp: 122776 [ 77.084162][ T4746] hardirqs last enabled at (122775): [] kasan_quarantine_put+0xc4/0x200 [ 77.085797][ T4746] hardirqs last disabled at (122776): [] el1_dbg+0x24/0x80 [ 77.087228][ T4746] softirqs last enabled at (122738): [] handle_softirqs+0xa40/0xbe4 [ 77.088814][ T4746] softirqs last disabled at (122655): [] __irq_exit_rcu+0x240/0x43c [ 77.090437][ T4746] ---[ end trace 79bb7083c7900cff ]--- [ 78.061798][ T4986] loop0: detected capacity change from 0 to 262144 [ 78.087797][ T4986] BTRFS: device fsid 7e32c2af-f87a-45a1-bcba-64dea7c56a53 devid 1 transid 8 /dev/loop0 scanned by syz.0.16 (4986) [ 78.093180][ T4986] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 78.094869][ T4986] BTRFS info (device loop0): enabling ssd optimizations [ 78.095954][ T4986] BTRFS info (device loop0): enabling auto defrag [ 78.097015][ T4986] BTRFS info (device loop0): using free space tree [ 78.098025][ T4986] BTRFS info (device loop0): has skinny extents [ 78.099157][ T4986] BTRFS info (device loop0): flagging fs with big metadata feature [ 78.105812][ T283] BTRFS warning (device loop0): checksum verify failed on 22036480 wanted 0x23e101be1e001a29 found 0x98e2f59226e63d74 level 0 [ 78.109807][ T283] BTRFS warning (device loop0): checksum verify failed on 30670848 wanted 0xe9f08ec94c425425 found 0x1a4a9216e61c07c8 level 0 [ 78.120878][ T9] device hsr_slave_0 left promiscuous mode [ 78.124315][ T283] BTRFS warning (device loop0): checksum verify failed on 30457856 wanted 0x402e75f1de9ccfe6 found 0x64dad595b87aeca8 level 0 [ 78.129400][ T4986] FAULT_INJECTION: forcing a failure. [ 78.129400][ T4986] name failslab, interval 1, probability 0, space 0, times 0 [ 78.131390][ T4986] CPU: 1 PID: 4986 Comm: syz.0.16 Tainted: G W syzkaller #0 [ 78.132865][ T4986] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 78.134645][ T4986] Call trace: [ 78.135188][ T4986] dump_backtrace+0x0/0x458 [ 78.135885][ T4986] show_stack+0x2c/0x3c [ 78.136631][ T4986] __dump_stack+0x30/0x40 [ 78.137378][ T4986] dump_stack_lvl+0xf4/0x15c [ 78.138132][ T4986] dump_stack+0x1c/0x5c [ 78.138867][ T4986] should_fail+0x3bc/0x514 [ 78.139579][ T4986] __should_failslab+0xbc/0x10c [ 78.140354][ T4986] should_failslab+0x10/0x28 [ 78.141147][ T4986] slab_pre_alloc_hook+0x64/0xe8 [ 78.142044][ T4986] kmem_cache_alloc+0x94/0x3d4 [ 78.142866][ T4986] btrfs_add_delayed_tree_ref+0x19c/0xd44 [ 78.143783][ T4986] btrfs_alloc_tree_block+0xb98/0x1130 [ 78.144715][ T4986] btrfs_force_cow_block+0x3a8/0x16fc [ 78.145590][ T4986] btrfs_cow_block+0x2d8/0x66c [ 78.146406][ T4986] btrfs_search_slot+0xa10/0x1f44 [ 78.147312][ T4986] btrfs_insert_empty_items+0x1d8/0x2a0 [ 78.148239][ T4986] insert_balance_item+0x170/0x115c [ 78.149144][ T4986] btrfs_balance+0x8e4/0x113c [ 78.149959][ T4986] btrfs_ioctl_balance+0x4cc/0x658 [ 78.150897][ T4986] btrfs_ioctl+0x20c/0xa8c [ 78.151669][ T4986] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.152465][ T4986] invoke_syscall+0x98/0x2b0 [ 78.153273][ T4986] el0_svc_common+0x138/0x258 [ 78.154049][ T4986] do_el0_svc+0x58/0x13c [ 78.154776][ T4986] el0_svc+0x78/0x1d0 [ 78.155417][ T4986] el0t_64_sync_handler+0xcc/0xe4 [ 78.156265][ T4986] el0t_64_sync+0x1a0/0x1a4 [ 78.185745][ T9] device hsr_slave_1 left promiscuous mode [ 78.192314][ T4746] ------------[ cut here ]------------ [ 78.193195][ T4746] WARNING: CPU: 0 PID: 4746 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 78.195163][ T4746] Modules linked in: [ 78.195889][ T4746] CPU: 0 PID: 4746 Comm: syz-executor Tainted: G W syzkaller #0 [ 78.197449][ T4746] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 78.199168][ T4746] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 78.200495][ T4746] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 78.201630][ T4746] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x664 [ 78.202782][ T4746] sp : ffff80001f247740 [ 78.203484][ T4746] x29: ffff80001f247750 x28: dfff800000000000 x27: 1fffe0001d30800c [ 78.204785][ T4746] x26: dfff800000000000 x25: ffff8000142ad110 x24: 0000000000000001 [ 78.206125][ T4746] x23: 0000000000000004 x22: 000000000033c000 x21: 0000000000340000 [ 78.207411][ T4746] x20: ffff0000e9840060 x19: 0000000000000000 x18: 0000000000000000 [ 78.208651][ T4746] x17: 0000000000000000 x16: ffff8000112695d4 x15: 0000000000000000 [ 78.209972][ T4746] x14: ffff700003e48edc x13: 1ffff00003e48edc x12: 0000000000ff0100 [ 78.211376][ T4746] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a05b1dc [ 78.212813][ T4746] x8 : ffff0000c6649b40 x7 : ffff80000a05a4c0 x6 : 0000000000000000 [ 78.214188][ T4746] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d8840 [ 78.215577][ T4746] x2 : ffffffffffcc0000 x1 : 0000000000340000 x0 : 000000000033c000 [ 78.216975][ T4746] Call trace: [ 78.217539][ T4746] btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 78.218681][ T4746] btrfs_block_rsv_release+0x3f8/0x4d4 [ 78.219616][ T4746] btrfs_release_global_block_rsv+0x38/0x22c [ 78.220704][ T4746] btrfs_free_block_groups+0x7ac/0xb3c [ 78.221629][ T4746] close_ctree+0x618/0x834 [ 78.222454][ T4746] btrfs_put_super+0x40/0x50 [ 78.223258][ T4746] generic_shutdown_super+0x130/0x2f0 [ 78.224208][ T4746] kill_anon_super+0x4c/0x80 [ 78.225002][ T4746] btrfs_kill_super+0x40/0x58 [ 78.225840][ T4746] deactivate_locked_super+0xb8/0x134 [ 78.226745][ T4746] deactivate_super+0xf0/0x110 [ 78.227595][ T4746] cleanup_mnt+0x3b8/0x46c [ 78.228317][ T4746] __cleanup_mnt+0x20/0x30 [ 78.229102][ T4746] task_work_run+0x12c/0x1d8 [ 78.229876][ T4746] do_notify_resume+0x2450/0x309c [ 78.230782][ T4746] el0_svc+0xf0/0x1d0 [ 78.231439][ T4746] el0t_64_sync_handler+0xcc/0xe4 [ 78.232272][ T4746] el0t_64_sync+0x1a0/0x1a4 [ 78.233076][ T4746] irq event stamp: 210286 [ 78.233855][ T4746] hardirqs last enabled at (210285): [] kasan_quarantine_put+0xc4/0x200 [ 78.235581][ T4746] hardirqs last disabled at (210286): [] el1_dbg+0x24/0x80 [ 78.237062][ T4746] softirqs last enabled at (209862): [] handle_softirqs+0xa40/0xbe4 [ 78.238691][ T4746] softirqs last disabled at (209851): [] __irq_exit_rcu+0x240/0x43c [ 78.240434][ T4746] ---[ end trace 79bb7083c7900d00 ]--- [ 78.304514][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 78.305872][ T9] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 78.307852][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 78.309063][ T9] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 78.310469][ T9] device bridge_slave_1 left promiscuous mode [ 78.311613][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.347962][ T9] device bridge_slave_0 left promiscuous mode [ 78.349059][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.454504][ T9] device veth1_macvtap left promiscuous mode [ 78.455456][ T9] device veth0_macvtap left promiscuous mode [ 78.456499][ T9] device veth1_vlan left promiscuous mode [ 78.457481][ T9] device veth0_vlan left promiscuous mode [ 78.514634][ T4162] Bluetooth: hci0: command 0x0419 tx timeout [ 78.561743][ T9] team0 (unregistering): Port device team_slave_1 removed [ 78.568550][ T9] team0 (unregistering): Port device team_slave_0 removed [ 78.572487][ T9] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 78.619788][ T9] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 78.739134][ T9] bond0 (unregistering): Released all slaves [ 79.186879][ T5009] loop0: detected capacity change from 0 to 262144 [ 79.244412][ T5009] BTRFS: device fsid 7e32c2af-f87a-45a1-bcba-64dea7c56a53 devid 1 transid 8 /dev/loop0 scanned by syz.0.17 (5009) [ 79.248218][ T5009] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 79.249666][ T5009] BTRFS info (device loop0): enabling ssd optimizations [ 79.250808][ T5009] BTRFS info (device loop0): enabling auto defrag [ 79.251816][ T5009] BTRFS info (device loop0): using free space tree [ 79.252897][ T5009] BTRFS info (device loop0): has skinny extents [ 79.253898][ T5009] BTRFS info (device loop0): flagging fs with big metadata feature [ 79.260386][ T283] BTRFS warning (device loop0): checksum verify failed on 22036480 wanted 0x23e101be1e001a29 found 0x98e2f59226e63d74 level 0 [ 79.263962][ T1620] BTRFS warning (device loop0): checksum verify failed on 30670848 wanted 0xe9f08ec94c425425 found 0x1a4a9216e61c07c8 level 0 [ 79.273710][ T283] BTRFS warning (device loop0): checksum verify failed on 30457856 wanted 0x402e75f1de9ccfe6 found 0x64dad595b87aeca8 level 0 [ 79.280368][ T5009] FAULT_INJECTION: forcing a failure. [ 79.280368][ T5009] name failslab, interval 1, probability 0, space 0, times 0 [ 79.282536][ T5009] CPU: 1 PID: 5009 Comm: syz.0.17 Tainted: G W syzkaller #0 [ 79.283878][ T5009] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.285441][ T5009] Call trace: [ 79.285980][ T5009] dump_backtrace+0x0/0x458 [ 79.286729][ T5009] show_stack+0x2c/0x3c [ 79.287427][ T5009] __dump_stack+0x30/0x40 [ 79.288138][ T5009] dump_stack_lvl+0xf4/0x15c [ 79.288917][ T5009] dump_stack+0x1c/0x5c [ 79.289617][ T5009] should_fail+0x3bc/0x514 [ 79.290332][ T5009] __should_failslab+0xbc/0x10c [ 79.291197][ T5009] should_failslab+0x10/0x28 [ 79.291964][ T5009] slab_pre_alloc_hook+0x64/0xe8 [ 79.292804][ T5009] kmem_cache_alloc+0x94/0x3d4 [ 79.293638][ T5009] btrfs_add_delayed_tree_ref+0x19c/0xd44 [ 79.294622][ T5009] btrfs_alloc_tree_block+0xb98/0x1130 [ 79.295558][ T5009] btrfs_force_cow_block+0x3a8/0x16fc [ 79.296487][ T5009] btrfs_cow_block+0x2d8/0x66c [ 79.297280][ T5009] btrfs_search_slot+0xa10/0x1f44 [ 79.298138][ T5009] btrfs_insert_empty_items+0x1d8/0x2a0 [ 79.299070][ T5009] insert_balance_item+0x170/0x115c [ 79.299905][ T5009] btrfs_balance+0x8e4/0x113c [ 79.300681][ T5009] btrfs_ioctl_balance+0x4cc/0x658 [ 79.301534][ T5009] btrfs_ioctl+0x20c/0xa8c [ 79.302247][ T5009] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.302991][ T5009] invoke_syscall+0x98/0x2b0 [ 79.303712][ T5009] el0_svc_common+0x138/0x258 [ 79.304422][ T5009] do_el0_svc+0x58/0x13c [ 79.305164][ T5009] el0_svc+0x78/0x1d0 [ 79.305863][ T5009] el0t_64_sync_handler+0xcc/0xe4 [ 79.306690][ T5009] el0t_64_sync+0x1a0/0x1a4 [ 79.343938][ T4746] ------------[ cut here ]------------ [ 79.344926][ T4746] WARNING: CPU: 0 PID: 4746 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 79.346936][ T4746] Modules linked in: [ 79.347570][ T4746] CPU: 0 PID: 4746 Comm: syz-executor Tainted: G W syzkaller #0 [ 79.349128][ T4746] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.350883][ T4746] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.352206][ T4746] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 79.353409][ T4746] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x664 [ 79.354584][ T4746] sp : ffff80001f247740 [ 79.355289][ T4746] x29: ffff80001f247750 x28: dfff800000000000 x27: 1fffe0001ac22e0c [ 79.356624][ T4746] x26: dfff800000000000 x25: ffff8000142ad110 x24: 0000000000000001 [ 79.358056][ T4746] x23: 0000000000000004 x22: 000000000033c000 x21: 0000000000340000 [ 79.359455][ T4746] x20: ffff0000d6117060 x19: 0000000000000000 x18: 0000000000000000 [ 79.360829][ T4746] x17: 0000000000000000 x16: ffff8000112695d4 x15: 0000000000000000 [ 79.362079][ T4746] x14: ffff700003e48edc x13: 1ffff00003e48edc x12: 0000000000ff0100 [ 79.363416][ T4746] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a05b1dc [ 79.364857][ T4746] x8 : ffff0000c6649b40 x7 : ffff80000a05a4c0 x6 : 0000000000000000 [ 79.366222][ T4746] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d8840 [ 79.367585][ T4746] x2 : ffffffffffcc0000 x1 : 0000000000340000 x0 : 000000000033c000 [ 79.368915][ T4746] Call trace: [ 79.369419][ T4746] btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 79.370552][ T4746] btrfs_block_rsv_release+0x3f8/0x4d4 [ 79.371461][ T4746] btrfs_release_global_block_rsv+0x38/0x22c [ 79.372474][ T4746] btrfs_free_block_groups+0x7ac/0xb3c [ 79.373380][ T4746] close_ctree+0x618/0x834 [ 79.374145][ T4746] btrfs_put_super+0x40/0x50 [ 79.374892][ T4746] generic_shutdown_super+0x130/0x2f0 [ 79.375836][ T4746] kill_anon_super+0x4c/0x80 [ 79.376613][ T4746] btrfs_kill_super+0x40/0x58 [ 79.377438][ T4746] deactivate_locked_super+0xb8/0x134 [ 79.378368][ T4746] deactivate_super+0xf0/0x110 [ 79.379146][ T4746] cleanup_mnt+0x3b8/0x46c [ 79.379920][ T4746] __cleanup_mnt+0x20/0x30 [ 79.380699][ T4746] task_work_run+0x12c/0x1d8 [ 79.381475][ T4746] do_notify_resume+0x2450/0x309c [ 79.382341][ T4746] el0_svc+0xf0/0x1d0 [ 79.383004][ T4746] el0t_64_sync_handler+0xcc/0xe4 [ 79.383866][ T4746] el0t_64_sync+0x1a0/0x1a4 [ 79.384548][ T4746] irq event stamp: 297948 [ 79.385219][ T4746] hardirqs last enabled at (297947): [] kasan_quarantine_put+0xc4/0x200 [ 79.386857][ T4746] hardirqs last disabled at (297948): [] el1_dbg+0x24/0x80 [ 79.388255][ T4746] softirqs last enabled at (295970): [] local_bh_enable+0x10/0x34 [ 79.389821][ T4746] softirqs last disabled at (295968): [] local_bh_disable+0x10/0x34 [ 79.391456][ T4746] ---[ end trace 79bb7083c7900d01 ]--- [ 80.313835][ T5032] loop0: detected capacity change from 0 to 262144 [ 80.356023][ T5032] BTRFS: device fsid 7e32c2af-f87a-45a1-bcba-64dea7c56a53 devid 1 transid 8 /dev/loop0 scanned by syz.0.18 (5032) [ 80.360646][ T5032] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 80.362071][ T5032] BTRFS info (device loop0): enabling ssd optimizations [ 80.363354][ T5032] BTRFS info (device loop0): enabling auto defrag [ 80.364926][ T5032] BTRFS info (device loop0): using free space tree [ 80.365987][ T5032] BTRFS info (device loop0): has skinny extents [ 80.367057][ T5032] BTRFS info (device loop0): flagging fs with big metadata feature [ 80.372670][ T283] BTRFS warning (device loop0): checksum verify failed on 22036480 wanted 0x23e101be1e001a29 found 0x98e2f59226e63d74 level 0 [ 80.407913][ T5032] FAULT_INJECTION: forcing a failure. [ 80.407913][ T5032] name failslab, interval 1, probability 0, space 0, times 0 [ 80.409961][ T5032] CPU: 0 PID: 5032 Comm: syz.0.18 Tainted: G W syzkaller #0 [ 80.411386][ T5032] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.413101][ T5032] Call trace: [ 80.413626][ T5032] dump_backtrace+0x0/0x458 [ 80.414365][ T5032] show_stack+0x2c/0x3c [ 80.415061][ T5032] __dump_stack+0x30/0x40 [ 80.415771][ T5032] dump_stack_lvl+0xf4/0x15c [ 80.416528][ T5032] dump_stack+0x1c/0x5c [ 80.417182][ T5032] should_fail+0x3bc/0x514 [ 80.417906][ T5032] __should_failslab+0xbc/0x10c [ 80.418661][ T5032] should_failslab+0x10/0x28 [ 80.419406][ T5032] slab_pre_alloc_hook+0x64/0xe8 [ 80.420146][ T5032] kmem_cache_alloc+0x94/0x3d4 [ 80.420987][ T5032] btrfs_add_delayed_tree_ref+0x19c/0xd44 [ 80.421955][ T5032] btrfs_alloc_tree_block+0xb98/0x1130 [ 80.422916][ T5032] btrfs_force_cow_block+0x3a8/0x16fc [ 80.423795][ T5032] btrfs_cow_block+0x2d8/0x66c [ 80.424644][ T5032] btrfs_search_slot+0xa10/0x1f44 [ 80.425514][ T5032] btrfs_insert_empty_items+0x1d8/0x2a0 [ 80.426457][ T5032] insert_balance_item+0x170/0x115c [ 80.427360][ T5032] btrfs_balance+0x8e4/0x113c [ 80.428138][ T5032] btrfs_ioctl_balance+0x4cc/0x658 [ 80.429072][ T5032] btrfs_ioctl+0x20c/0xa8c [ 80.429818][ T5032] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.430693][ T5032] invoke_syscall+0x98/0x2b0 [ 80.431493][ T5032] el0_svc_common+0x138/0x258 [ 80.432323][ T5032] do_el0_svc+0x58/0x13c [ 80.433042][ T5032] el0_svc+0x78/0x1d0 [ 80.433720][ T5032] el0t_64_sync_handler+0xcc/0xe4 [ 80.434600][ T5032] el0t_64_sync+0x1a0/0x1a4 [ 80.503285][ T4746] ------------[ cut here ]------------ [ 80.504241][ T4746] WARNING: CPU: 1 PID: 4746 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 80.506066][ T4746] Modules linked in: [ 80.506666][ T4746] CPU: 1 PID: 4746 Comm: syz-executor Tainted: G W syzkaller #0 [ 80.508159][ T4746] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.509592][ T4746] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 80.510711][ T4746] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 80.511802][ T4746] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x664 [ 80.512775][ T4746] sp : ffff80001f247740 [ 80.513361][ T4746] x29: ffff80001f247750 x28: dfff800000000000 x27: 1fffe0001cad2e0c [ 80.514755][ T4746] x26: dfff800000000000 x25: ffff8000142ad110 x24: 0000000000000002 [ 80.516174][ T4746] x23: 0000000000000004 x22: 000000000033c000 x21: 0000000000340000 [ 80.517445][ T4746] x20: ffff0000e5697060 x19: 0000000000000000 x18: 0000000000000000 [ 80.518795][ T4746] x17: 0000000000000000 x16: ffff8000112695d4 x15: 0000000000000000 [ 80.520143][ T4746] x14: ffff700003e48edc x13: 1ffff00003e48edc x12: 0000000000ff0100 [ 80.521491][ T4746] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a05b1dc [ 80.522828][ T4746] x8 : ffff0000c6649b40 x7 : ffff80000a05a4c0 x6 : 0000000000000000 [ 80.524250][ T4746] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d8840 [ 80.525602][ T4746] x2 : ffffffffffcc0000 x1 : 0000000000340000 x0 : 000000000033c000 [ 80.526994][ T4746] Call trace: [ 80.527559][ T4746] btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 80.528698][ T4746] btrfs_block_rsv_release+0x3f8/0x4d4 [ 80.529561][ T4746] btrfs_release_global_block_rsv+0x38/0x22c [ 80.530598][ T4746] btrfs_free_block_groups+0x7ac/0xb3c [ 80.531524][ T4746] close_ctree+0x618/0x834 [ 80.532262][ T4746] btrfs_put_super+0x40/0x50 [ 80.532977][ T4746] generic_shutdown_super+0x130/0x2f0 [ 80.533852][ T4746] kill_anon_super+0x4c/0x80 [ 80.534663][ T4746] btrfs_kill_super+0x40/0x58 [ 80.535506][ T4746] deactivate_locked_super+0xb8/0x134 [ 80.536408][ T4746] deactivate_super+0xf0/0x110 [ 80.537160][ T4746] cleanup_mnt+0x3b8/0x46c [ 80.537916][ T4746] __cleanup_mnt+0x20/0x30 [ 80.538671][ T4746] task_work_run+0x12c/0x1d8 [ 80.539389][ T4746] do_notify_resume+0x2450/0x309c [ 80.540199][ T4746] el0_svc+0xf0/0x1d0 [ 80.540895][ T4746] el0t_64_sync_handler+0xcc/0xe4 [ 80.541757][ T4746] el0t_64_sync+0x1a0/0x1a4 [ 80.542544][ T4746] irq event stamp: 384182 [ 80.543283][ T4746] hardirqs last enabled at (384181): [] kasan_quarantine_put+0xc4/0x200 [ 80.544972][ T4746] hardirqs last disabled at (384182): [] el1_dbg+0x24/0x80 [ 80.546420][ T4746] softirqs last enabled at (382556): [] local_bh_enable+0x10/0x34 [ 80.547995][ T4746] softirqs last disabled at (382554): [] local_bh_disable+0x10/0x34 [ 80.549668][ T4746] ---[ end trace 79bb7083c7900d02 ]--- [ 81.522573][ T5054] loop0: detected capacity change from 0 to 262144 [ 81.559205][ T5054] BTRFS: device fsid 7e32c2af-f87a-45a1-bcba-64dea7c56a53 devid 1 transid 8 /dev/loop0 scanned by syz.0.19 (5054) [ 81.563343][ T5054] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 81.565282][ T5054] BTRFS info (device loop0): enabling ssd optimizations [ 81.566346][ T5054] BTRFS info (device loop0): enabling auto defrag [ 81.567343][ T5054] BTRFS info (device loop0): using free space tree [ 81.568442][ T5054] BTRFS info (device loop0): has skinny extents [ 81.569417][ T5054] BTRFS info (device loop0): flagging fs with big metadata feature [ 81.582107][ T5054] FAULT_INJECTION: forcing a failure. [ 81.582107][ T5054] name failslab, interval 1, probability 0, space 0, times 0 [ 81.584230][ T5054] CPU: 1 PID: 5054 Comm: syz.0.19 Tainted: G W syzkaller #0 [ 81.585750][ T5054] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.587396][ T5054] Call trace: [ 81.587904][ T5054] dump_backtrace+0x0/0x458 [ 81.588656][ T5054] show_stack+0x2c/0x3c [ 81.589328][ T5054] __dump_stack+0x30/0x40 [ 81.590026][ T5054] dump_stack_lvl+0xf4/0x15c [ 81.590727][ T5054] dump_stack+0x1c/0x5c [ 81.591400][ T5054] should_fail+0x3bc/0x514 [ 81.592158][ T5054] __should_failslab+0xbc/0x10c [ 81.592890][ T5054] should_failslab+0x10/0x28 [ 81.593682][ T5054] slab_pre_alloc_hook+0x64/0xe8 [ 81.594579][ T5054] kmem_cache_alloc+0x94/0x3d4 [ 81.595380][ T5054] btrfs_add_delayed_tree_ref+0x19c/0xd44 [ 81.596419][ T5054] btrfs_alloc_tree_block+0xb98/0x1130 [ 81.597354][ T5054] btrfs_force_cow_block+0x3a8/0x16fc [ 81.598243][ T5054] btrfs_cow_block+0x2d8/0x66c [ 81.599031][ T5054] btrfs_search_slot+0xa10/0x1f44 [ 81.599838][ T5054] btrfs_insert_empty_items+0x1d8/0x2a0 [ 81.600815][ T5054] insert_balance_item+0x170/0x115c [ 81.601662][ T5054] btrfs_balance+0x8e4/0x113c [ 81.602434][ T5054] btrfs_ioctl_balance+0x4cc/0x658 [ 81.603220][ T5054] btrfs_ioctl+0x20c/0xa8c [ 81.603921][ T5054] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.604814][ T5054] invoke_syscall+0x98/0x2b0 [ 81.605599][ T5054] el0_svc_common+0x138/0x258 [ 81.606385][ T5054] do_el0_svc+0x58/0x13c [ 81.607076][ T5054] el0_svc+0x78/0x1d0 [ 81.607727][ T5054] el0t_64_sync_handler+0xcc/0xe4 [ 81.608579][ T5054] el0t_64_sync+0x1a0/0x1a4 [ 81.646930][ T4746] ------------[ cut here ]------------ [ 81.647803][ T4746] WARNING: CPU: 1 PID: 4746 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 81.649650][ T4746] Modules linked in: [ 81.650260][ T4746] CPU: 1 PID: 4746 Comm: syz-executor Tainted: G W syzkaller #0 [ 81.651645][ T4746] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 81.653235][ T4746] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 81.654530][ T4746] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 81.655652][ T4746] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x664 [ 81.656889][ T4746] sp : ffff80001f247740 [ 81.657588][ T4746] x29: ffff80001f247750 x28: dfff800000000000 x27: 1fffe00019cb740c [ 81.658991][ T4746] x26: dfff800000000000 x25: ffff8000142ad110 x24: 0000000000000002 [ 81.660286][ T4746] x23: 0000000000000004 x22: 000000000033c000 x21: 0000000000340000 [ 81.661701][ T4746] x20: ffff0000ce5ba060 x19: 0000000000000000 x18: 0000000000000000 [ 81.662994][ T4746] x17: 0000000000000000 x16: ffff8000112695d4 x15: 0000000000000000 [ 81.664368][ T4746] x14: ffff700003e48edc x13: 1ffff00003e48edc x12: 0000000000ff0100 [ 81.665679][ T4746] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a05b1dc [ 81.666959][ T4746] x8 : ffff0000c6649b40 x7 : ffff80000a05a4c0 x6 : 0000000000000000 [ 81.668251][ T4746] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d8840 [ 81.669479][ T4746] x2 : ffffffffffcc0000 x1 : 0000000000340000 x0 : 000000000033c000 [ 81.670758][ T4746] Call trace: [ 81.671275][ T4746] btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 81.672335][ T4746] btrfs_block_rsv_release+0x3f8/0x4d4 [ 81.673263][ T4746] btrfs_release_global_block_rsv+0x38/0x22c [ 81.674303][ T4746] btrfs_free_block_groups+0x7ac/0xb3c [ 81.675226][ T4746] close_ctree+0x618/0x834 [ 81.675985][ T4746] btrfs_put_super+0x40/0x50 [ 81.676807][ T4746] generic_shutdown_super+0x130/0x2f0 [ 81.677740][ T4746] kill_anon_super+0x4c/0x80 [ 81.678483][ T4746] btrfs_kill_super+0x40/0x58 [ 81.679210][ T4746] deactivate_locked_super+0xb8/0x134 [ 81.680046][ T4746] deactivate_super+0xf0/0x110 [ 81.680828][ T4746] cleanup_mnt+0x3b8/0x46c [ 81.681500][ T4746] __cleanup_mnt+0x20/0x30 [ 81.682194][ T4746] task_work_run+0x12c/0x1d8 [ 81.682956][ T4746] do_notify_resume+0x2450/0x309c [ 81.683799][ T4746] el0_svc+0xf0/0x1d0 [ 81.684476][ T4746] el0t_64_sync_handler+0xcc/0xe4 [ 81.685327][ T4746] el0t_64_sync+0x1a0/0x1a4 [ 81.686064][ T4746] irq event stamp: 471026 [ 81.686781][ T4746] hardirqs last enabled at (471025): [] kasan_quarantine_put+0xc4/0x200 [ 81.688333][ T4746] hardirqs last disabled at (471026): [] el1_dbg+0x24/0x80 [ 81.689779][ T4746] softirqs last enabled at (469336): [] local_bh_enable+0x10/0x34 [ 81.691329][ T4746] softirqs last disabled at (469334): [] local_bh_disable+0x10/0x34 [ 81.692920][ T4746] ---[ end trace 79bb7083c7900d03 ]--- 1970/01/01 00:01:21 executed programs: 7 [ 82.624896][ T5076] loop0: detected capacity change from 0 to 262144 [ 82.677803][ T5076] BTRFS: device fsid 7e32c2af-f87a-45a1-bcba-64dea7c56a53 devid 1 transid 8 /dev/loop0 scanned by syz.0.20 (5076) [ 82.696701][ T5076] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 82.698262][ T5076] BTRFS info (device loop0): enabling ssd optimizations [ 82.699408][ T5076] BTRFS info (device loop0): enabling auto defrag [ 82.700443][ T5076] BTRFS info (device loop0): using free space tree [ 82.701552][ T5076] BTRFS info (device loop0): has skinny extents [ 82.702536][ T5076] BTRFS info (device loop0): flagging fs with big metadata feature [ 82.708473][ T136] validate_extent_buffer: 5 callbacks suppressed [ 82.708484][ T136] BTRFS warning (device loop0): checksum verify failed on 22036480 wanted 0x23e101be1e001a29 found 0x98e2f59226e63d74 level 0 [ 82.712193][ T5076] repair_io_failure: 50 callbacks suppressed [ 82.712203][ T5076] BTRFS info (device loop0): read error corrected: ino 0 off 22036480 (dev /dev/loop0 sector 43040) [ 82.715514][ T5076] BTRFS info (device loop0): read error corrected: ino 0 off 22040576 (dev /dev/loop0 sector 43048) [ 82.717295][ T5076] BTRFS info (device loop0): read error corrected: ino 0 off 22044672 (dev /dev/loop0 sector 43056) [ 82.719286][ T5076] BTRFS info (device loop0): read error corrected: ino 0 off 22048768 (dev /dev/loop0 sector 43064) [ 82.721624][ T283] BTRFS warning (device loop0): checksum verify failed on 30670848 wanted 0xe9f08ec94c425425 found 0x1a4a9216e61c07c8 level 0 [ 82.724089][ T5076] BTRFS info (device loop0): read error corrected: ino 0 off 30670848 (dev /dev/loop0 sector 76288) [ 82.726717][ T5076] BTRFS info (device loop0): read error corrected: ino 0 off 30674944 (dev /dev/loop0 sector 76296) [ 82.728654][ T5076] BTRFS info (device loop0): read error corrected: ino 0 off 30679040 (dev /dev/loop0 sector 76304) [ 82.730532][ T5076] BTRFS info (device loop0): read error corrected: ino 0 off 30683136 (dev /dev/loop0 sector 76312) [ 82.743130][ T283] BTRFS warning (device loop0): checksum verify failed on 30457856 wanted 0x402e75f1de9ccfe6 found 0x64dad595b87aeca8 level 0 [ 82.746340][ T5076] BTRFS info (device loop0): read error corrected: ino 0 off 30457856 (dev /dev/loop0 sector 75872) [ 82.748170][ T5076] BTRFS info (device loop0): read error corrected: ino 0 off 30461952 (dev /dev/loop0 sector 75880) [ 82.751824][ T5076] FAULT_INJECTION: forcing a failure. [ 82.751824][ T5076] name failslab, interval 1, probability 0, space 0, times 0 [ 82.753942][ T5076] CPU: 0 PID: 5076 Comm: syz.0.20 Tainted: G W syzkaller #0 [ 82.755402][ T5076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.757020][ T5076] Call trace: [ 82.757582][ T5076] dump_backtrace+0x0/0x458 [ 82.758349][ T5076] show_stack+0x2c/0x3c [ 82.759111][ T5076] __dump_stack+0x30/0x40 [ 82.759853][ T5076] dump_stack_lvl+0xf4/0x15c [ 82.760716][ T5076] dump_stack+0x1c/0x5c [ 82.761386][ T5076] should_fail+0x3bc/0x514 [ 82.762046][ T5076] __should_failslab+0xbc/0x10c [ 82.762829][ T5076] should_failslab+0x10/0x28 [ 82.763619][ T5076] slab_pre_alloc_hook+0x64/0xe8 [ 82.764391][ T5076] kmem_cache_alloc+0x94/0x3d4 [ 82.765268][ T5076] btrfs_add_delayed_tree_ref+0x19c/0xd44 [ 82.766213][ T5076] btrfs_alloc_tree_block+0xb98/0x1130 [ 82.767157][ T5076] btrfs_force_cow_block+0x3a8/0x16fc [ 82.768069][ T5076] btrfs_cow_block+0x2d8/0x66c [ 82.768858][ T5076] btrfs_search_slot+0xa10/0x1f44 [ 82.769659][ T5076] btrfs_insert_empty_items+0x1d8/0x2a0 [ 82.770552][ T5076] insert_balance_item+0x170/0x115c [ 82.771368][ T5076] btrfs_balance+0x8e4/0x113c [ 82.772255][ T5076] btrfs_ioctl_balance+0x4cc/0x658 [ 82.773152][ T5076] btrfs_ioctl+0x20c/0xa8c [ 82.773922][ T5076] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.774755][ T5076] invoke_syscall+0x98/0x2b0 [ 82.775530][ T5076] el0_svc_common+0x138/0x258 [ 82.776349][ T5076] do_el0_svc+0x58/0x13c [ 82.777070][ T5076] el0_svc+0x78/0x1d0 [ 82.777742][ T5076] el0t_64_sync_handler+0xcc/0xe4 [ 82.778610][ T5076] el0t_64_sync+0x1a0/0x1a4 [ 82.811135][ T4746] ------------[ cut here ]------------ [ 82.812126][ T4746] WARNING: CPU: 1 PID: 4746 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 82.814006][ T4746] Modules linked in: [ 82.814633][ T4746] CPU: 1 PID: 4746 Comm: syz-executor Tainted: G W syzkaller #0 [ 82.816084][ T4746] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 82.817781][ T4746] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 82.819153][ T4746] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 82.820362][ T4746] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x664 [ 82.821539][ T4746] sp : ffff80001f247740 [ 82.822201][ T4746] x29: ffff80001f247750 x28: dfff800000000000 x27: 1fffe0001b07a70c [ 82.823575][ T4746] x26: dfff800000000000 x25: ffff8000142ad110 x24: 0000000000000002 [ 82.824898][ T4746] x23: 0000000000000004 x22: 000000000033c000 x21: 0000000000340000 [ 82.826197][ T4746] x20: ffff0000d83d3860 x19: 0000000000000000 x18: 0000000000000000 [ 82.827458][ T4746] x17: 0000000000000000 x16: ffff8000112695d4 x15: 0000000000000000 [ 82.828773][ T4746] x14: ffff700003e48edc x13: 1ffff00003e48edc x12: 0000000000ff0100 [ 82.830101][ T4746] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a05b1dc [ 82.831448][ T4746] x8 : ffff0000c6649b40 x7 : ffff80000a05a4c0 x6 : 0000000000000000 [ 82.832804][ T4746] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d8840 [ 82.834168][ T4746] x2 : ffffffffffcc0000 x1 : 0000000000340000 x0 : 000000000033c000 [ 82.835466][ T4746] Call trace: [ 82.836016][ T4746] btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 82.837084][ T4746] btrfs_block_rsv_release+0x3f8/0x4d4 [ 82.837950][ T4746] btrfs_release_global_block_rsv+0x38/0x22c [ 82.838889][ T4746] btrfs_free_block_groups+0x7ac/0xb3c [ 82.839762][ T4746] close_ctree+0x618/0x834 [ 82.840475][ T4746] btrfs_put_super+0x40/0x50 [ 82.841248][ T4746] generic_shutdown_super+0x130/0x2f0 [ 82.842132][ T4746] kill_anon_super+0x4c/0x80 [ 82.842918][ T4746] btrfs_kill_super+0x40/0x58 [ 82.843760][ T4746] deactivate_locked_super+0xb8/0x134 [ 82.844691][ T4746] deactivate_super+0xf0/0x110 [ 82.845518][ T4746] cleanup_mnt+0x3b8/0x46c [ 82.846259][ T4746] __cleanup_mnt+0x20/0x30 [ 82.846984][ T4746] task_work_run+0x12c/0x1d8 [ 82.847782][ T4746] do_notify_resume+0x2450/0x309c [ 82.848638][ T4746] el0_svc+0xf0/0x1d0 [ 82.849322][ T4746] el0t_64_sync_handler+0xcc/0xe4 [ 82.850164][ T4746] el0t_64_sync+0x1a0/0x1a4 [ 82.850928][ T4746] irq event stamp: 557438 [ 82.851656][ T4746] hardirqs last enabled at (557437): [] kasan_quarantine_put+0xc4/0x200 [ 82.853273][ T4746] hardirqs last disabled at (557438): [] el1_dbg+0x24/0x80 [ 82.854751][ T4746] softirqs last enabled at (555782): [] local_bh_enable+0x10/0x34 [ 82.856240][ T4746] softirqs last disabled at (555780): [] local_bh_disable+0x10/0x34 [ 82.857804][ T4746] ---[ end trace 79bb7083c7900d04 ]--- [ 83.629434][ T5099] loop0: detected capacity change from 0 to 262144 [ 83.680583][ T5099] BTRFS: device fsid 7e32c2af-f87a-45a1-bcba-64dea7c56a53 devid 1 transid 8 /dev/loop0 scanned by syz.0.21 (5099) [ 83.686014][ T5099] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 83.687606][ T5099] BTRFS info (device loop0): enabling ssd optimizations [ 83.688756][ T5099] BTRFS info (device loop0): enabling auto defrag [ 83.689869][ T5099] BTRFS info (device loop0): using free space tree [ 83.691011][ T5099] BTRFS info (device loop0): has skinny extents [ 83.692122][ T5099] BTRFS info (device loop0): flagging fs with big metadata feature [ 83.702676][ T9] BTRFS warning (device loop0): checksum verify failed on 22036480 wanted 0x23e101be1e001a29 found 0x98e2f59226e63d74 level 0 [ 83.706219][ T283] BTRFS warning (device loop0): checksum verify failed on 30670848 wanted 0xe9f08ec94c425425 found 0x1a4a9216e61c07c8 level 0 [ 83.714810][ T9] BTRFS warning (device loop0): checksum verify failed on 30457856 wanted 0x402e75f1de9ccfe6 found 0x64dad595b87aeca8 level 0 [ 83.719656][ T5099] FAULT_INJECTION: forcing a failure. [ 83.719656][ T5099] name failslab, interval 1, probability 0, space 0, times 0 [ 83.721604][ T5099] CPU: 0 PID: 5099 Comm: syz.0.21 Tainted: G W syzkaller #0 [ 83.722954][ T5099] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.724707][ T5099] Call trace: [ 83.725272][ T5099] dump_backtrace+0x0/0x458 [ 83.726041][ T5099] show_stack+0x2c/0x3c [ 83.726764][ T5099] __dump_stack+0x30/0x40 [ 83.727491][ T5099] dump_stack_lvl+0xf4/0x15c [ 83.728258][ T5099] dump_stack+0x1c/0x5c [ 83.728936][ T5099] should_fail+0x3bc/0x514 [ 83.729653][ T5099] __should_failslab+0xbc/0x10c [ 83.730473][ T5099] should_failslab+0x10/0x28 [ 83.731266][ T5099] slab_pre_alloc_hook+0x64/0xe8 [ 83.732046][ T5099] kmem_cache_alloc+0x94/0x3d4 [ 83.732851][ T5099] btrfs_add_delayed_tree_ref+0x19c/0xd44 [ 83.733781][ T5099] btrfs_alloc_tree_block+0xb98/0x1130 [ 83.734693][ T5099] btrfs_force_cow_block+0x3a8/0x16fc [ 83.735560][ T5099] btrfs_cow_block+0x2d8/0x66c [ 83.736382][ T5099] btrfs_search_slot+0xa10/0x1f44 [ 83.737241][ T5099] btrfs_insert_empty_items+0x1d8/0x2a0 [ 83.738184][ T5099] insert_balance_item+0x170/0x115c [ 83.739011][ T5099] btrfs_balance+0x8e4/0x113c [ 83.739714][ T5099] btrfs_ioctl_balance+0x4cc/0x658 [ 83.740501][ T5099] btrfs_ioctl+0x20c/0xa8c [ 83.741199][ T5099] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.742016][ T5099] invoke_syscall+0x98/0x2b0 [ 83.742825][ T5099] el0_svc_common+0x138/0x258 [ 83.743604][ T5099] do_el0_svc+0x58/0x13c [ 83.744326][ T5099] el0_svc+0x78/0x1d0 [ 83.745020][ T5099] el0t_64_sync_handler+0xcc/0xe4 [ 83.745890][ T5099] el0t_64_sync+0x1a0/0x1a4 [ 83.786509][ T4746] ------------[ cut here ]------------ [ 83.787459][ T4746] WARNING: CPU: 1 PID: 4746 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 83.789330][ T4746] Modules linked in: [ 83.789936][ T4746] CPU: 1 PID: 4746 Comm: syz-executor Tainted: G W syzkaller #0 [ 83.791318][ T4746] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.792846][ T4746] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 83.794162][ T4746] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 83.795343][ T4746] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x664 [ 83.796622][ T4746] sp : ffff80001f247740 [ 83.797326][ T4746] x29: ffff80001f247750 x28: dfff800000000000 x27: 1fffe0001afd720c [ 83.798792][ T4746] x26: dfff800000000000 x25: ffff8000142ad110 x24: 0000000000000002 [ 83.800117][ T4746] x23: 0000000000000004 x22: 000000000033c000 x21: 0000000000340000 [ 83.801516][ T4746] x20: ffff0000d7eb9060 x19: 0000000000000000 x18: 0000000000000000 [ 83.802889][ T4746] x17: 0000000000000000 x16: ffff8000112695d4 x15: 0000000000000000 [ 83.804153][ T4746] x14: ffff700003e48edc x13: 1ffff00003e48edc x12: 0000000000ff0100 [ 83.805457][ T4746] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a05b1dc [ 83.806806][ T4746] x8 : ffff0000c6649b40 x7 : ffff80000a05a4c0 x6 : 0000000000000000 [ 83.808156][ T4746] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d8840 [ 83.809565][ T4746] x2 : ffffffffffcc0000 x1 : 0000000000340000 x0 : 000000000033c000 [ 83.810940][ T4746] Call trace: [ 83.811461][ T4746] btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 83.812570][ T4746] btrfs_block_rsv_release+0x3f8/0x4d4 [ 83.813494][ T4746] btrfs_release_global_block_rsv+0x38/0x22c [ 83.814518][ T4746] btrfs_free_block_groups+0x7ac/0xb3c [ 83.815396][ T4746] close_ctree+0x618/0x834 [ 83.816153][ T4746] btrfs_put_super+0x40/0x50 [ 83.816893][ T4746] generic_shutdown_super+0x130/0x2f0 [ 83.817784][ T4746] kill_anon_super+0x4c/0x80 [ 83.818563][ T4746] btrfs_kill_super+0x40/0x58 [ 83.819360][ T4746] deactivate_locked_super+0xb8/0x134 [ 83.820336][ T4746] deactivate_super+0xf0/0x110 [ 83.821171][ T4746] cleanup_mnt+0x3b8/0x46c [ 83.821945][ T4746] __cleanup_mnt+0x20/0x30 [ 83.822728][ T4746] task_work_run+0x12c/0x1d8 [ 83.823521][ T4746] do_notify_resume+0x2450/0x309c [ 83.824399][ T4746] el0_svc+0xf0/0x1d0 [ 83.825061][ T4746] el0t_64_sync_handler+0xcc/0xe4 [ 83.825977][ T4746] el0t_64_sync+0x1a0/0x1a4 [ 83.826742][ T4746] irq event stamp: 565038 [ 83.827455][ T4746] hardirqs last enabled at (565037): [] kasan_quarantine_put+0xc4/0x200 [ 83.829255][ T4746] hardirqs last disabled at (565038): [] el1_dbg+0x24/0x80 [ 83.830765][ T4746] softirqs last enabled at (563040): [] local_bh_enable+0x10/0x34 [ 83.832347][ T4746] softirqs last disabled at (563038): [] local_bh_disable+0x10/0x34 [ 83.833917][ T4746] ---[ end trace 79bb7083c7900d05 ]--- [ 84.760111][ T5121] loop0: detected capacity change from 0 to 262144 [ 84.835128][ T5121] BTRFS: device fsid 7e32c2af-f87a-45a1-bcba-64dea7c56a53 devid 1 transid 8 /dev/loop0 scanned by syz.0.22 (5121) [ 84.878016][ T5121] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 84.879494][ T5121] BTRFS info (device loop0): enabling ssd optimizations [ 84.880625][ T5121] BTRFS info (device loop0): enabling auto defrag [ 84.881617][ T5121] BTRFS info (device loop0): using free space tree [ 84.885674][ T5121] BTRFS info (device loop0): has skinny extents [ 84.886687][ T5121] BTRFS info (device loop0): flagging fs with big metadata feature [ 84.892205][ T9] BTRFS warning (device loop0): checksum verify failed on 22036480 wanted 0x23e101be1e001a29 found 0x98e2f59226e63d74 level 0 [ 84.895864][ T283] BTRFS warning (device loop0): checksum verify failed on 30670848 wanted 0xe9f08ec94c425425 found 0x1a4a9216e61c07c8 level 0 [ 84.908709][ T1620] BTRFS warning (device loop0): checksum verify failed on 30457856 wanted 0x402e75f1de9ccfe6 found 0x64dad595b87aeca8 level 0 [ 84.913262][ T5121] FAULT_INJECTION: forcing a failure. [ 84.913262][ T5121] name failslab, interval 1, probability 0, space 0, times 0 [ 84.917060][ T5121] CPU: 1 PID: 5121 Comm: syz.0.22 Tainted: G W syzkaller #0 [ 84.918348][ T5121] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.919991][ T5121] Call trace: [ 84.920505][ T5121] dump_backtrace+0x0/0x458 [ 84.921169][ T5121] show_stack+0x2c/0x3c [ 84.921825][ T5121] __dump_stack+0x30/0x40 [ 84.922537][ T5121] dump_stack_lvl+0xf4/0x15c [ 84.923302][ T5121] dump_stack+0x1c/0x5c [ 84.923983][ T5121] should_fail+0x3bc/0x514 [ 84.924754][ T5121] __should_failslab+0xbc/0x10c [ 84.925590][ T5121] should_failslab+0x10/0x28 [ 84.926391][ T5121] slab_pre_alloc_hook+0x64/0xe8 [ 84.927212][ T5121] kmem_cache_alloc+0x94/0x3d4 [ 84.928024][ T5121] btrfs_add_delayed_tree_ref+0x180/0xd44 [ 84.928992][ T5121] btrfs_alloc_tree_block+0xb98/0x1130 [ 84.929938][ T5121] btrfs_force_cow_block+0x3a8/0x16fc [ 84.930811][ T5121] btrfs_cow_block+0x2d8/0x66c [ 84.931565][ T5121] btrfs_search_slot+0xa10/0x1f44 [ 84.932345][ T5121] btrfs_insert_empty_items+0x1d8/0x2a0 [ 84.933224][ T5121] insert_balance_item+0x170/0x115c [ 84.934034][ T5121] btrfs_balance+0x8e4/0x113c [ 84.934792][ T5121] btrfs_ioctl_balance+0x4cc/0x658 [ 84.935662][ T5121] btrfs_ioctl+0x20c/0xa8c [ 84.936422][ T5121] __arm64_sys_ioctl+0x14c/0x1c8 [ 84.937249][ T5121] invoke_syscall+0x98/0x2b0 [ 84.937983][ T5121] el0_svc_common+0x138/0x258 [ 84.938787][ T5121] do_el0_svc+0x58/0x13c [ 84.939565][ T5121] el0_svc+0x78/0x1d0 [ 84.940255][ T5121] el0t_64_sync_handler+0xcc/0xe4 [ 84.941099][ T5121] el0t_64_sync+0x1a0/0x1a4 [ 84.974426][ T4746] ------------[ cut here ]------------ [ 84.975360][ T4746] WARNING: CPU: 0 PID: 4746 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 84.977279][ T4746] Modules linked in: [ 84.977967][ T4746] CPU: 0 PID: 4746 Comm: syz-executor Tainted: G W syzkaller #0 [ 84.979510][ T4746] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.981233][ T4746] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 84.982584][ T4746] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 84.983674][ T4746] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x664 [ 84.984752][ T4746] sp : ffff80001f247740 [ 84.985386][ T4746] x29: ffff80001f247750 x28: dfff800000000000 x27: 1fffe0001b08070c [ 84.986693][ T4746] x26: dfff800000000000 x25: ffff8000142ad110 x24: 0000000000000001 [ 84.987993][ T4746] x23: 0000000000000004 x22: 000000000033c000 x21: 0000000000340000 [ 84.989253][ T4746] x20: ffff0000d8403860 x19: 0000000000000000 x18: 0000000000000000 [ 84.990448][ T4746] x17: 0000000000000000 x16: ffff8000112695d4 x15: 0000000000000000 [ 84.991847][ T4746] x14: ffff700003e48edc x13: 1ffff00003e48edc x12: 0000000000ff0100 [ 84.993166][ T4746] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a05b1dc [ 84.994568][ T4746] x8 : ffff0000c6649b40 x7 : ffff80000a05a4c0 x6 : 0000000000000000 [ 84.995948][ T4746] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d8840 [ 84.997336][ T4746] x2 : ffffffffffcc0000 x1 : 0000000000340000 x0 : 000000000033c000 [ 84.998757][ T4746] Call trace: [ 84.999287][ T4746] btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 85.000463][ T4746] btrfs_block_rsv_release+0x3f8/0x4d4 [ 85.001416][ T4746] btrfs_release_global_block_rsv+0x38/0x22c [ 85.002461][ T4746] btrfs_free_block_groups+0x7ac/0xb3c [ 85.003392][ T4746] close_ctree+0x618/0x834 [ 85.004141][ T4746] btrfs_put_super+0x40/0x50 [ 85.004921][ T4746] generic_shutdown_super+0x130/0x2f0 [ 85.005832][ T4746] kill_anon_super+0x4c/0x80 [ 85.006599][ T4746] btrfs_kill_super+0x40/0x58 [ 85.007352][ T4746] deactivate_locked_super+0xb8/0x134 [ 85.008309][ T4746] deactivate_super+0xf0/0x110 [ 85.009162][ T4746] cleanup_mnt+0x3b8/0x46c [ 85.009909][ T4746] __cleanup_mnt+0x20/0x30 [ 85.010591][ T4746] task_work_run+0x12c/0x1d8 [ 85.011337][ T4746] do_notify_resume+0x2450/0x309c [ 85.012188][ T4746] el0_svc+0xf0/0x1d0 [ 85.012871][ T4746] el0t_64_sync_handler+0xcc/0xe4 [ 85.013730][ T4746] el0t_64_sync+0x1a0/0x1a4 [ 85.014478][ T4746] irq event stamp: 651172 [ 85.015220][ T4746] hardirqs last enabled at (651171): [] kasan_quarantine_put+0xc4/0x200 [ 85.017000][ T4746] hardirqs last disabled at (651172): [] el1_dbg+0x24/0x80 [ 85.018585][ T4746] softirqs last enabled at (649514): [] local_bh_enable+0x10/0x34 [ 85.020199][ T4746] softirqs last disabled at (649512): [] local_bh_disable+0x10/0x34 [ 85.021872][ T4746] ---[ end trace 79bb7083c7900d06 ]--- [ 85.946230][ T5142] loop0: detected capacity change from 0 to 262144 [ 86.000120][ T5142] BTRFS: device fsid 7e32c2af-f87a-45a1-bcba-64dea7c56a53 devid 1 transid 8 /dev/loop0 scanned by syz.0.23 (5142) [ 86.005259][ T5142] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 86.006754][ T5142] BTRFS info (device loop0): enabling ssd optimizations [ 86.007854][ T5142] BTRFS info (device loop0): enabling auto defrag [ 86.008952][ T5142] BTRFS info (device loop0): using free space tree [ 86.010008][ T5142] BTRFS info (device loop0): has skinny extents [ 86.011044][ T5142] BTRFS info (device loop0): flagging fs with big metadata feature [ 86.024621][ T9] BTRFS warning (device loop0): checksum verify failed on 22036480 wanted 0x23e101be1e001a29 found 0x98e2f59226e63d74 level 0 [ 86.038247][ T5142] FAULT_INJECTION: forcing a failure. [ 86.038247][ T5142] name failslab, interval 1, probability 0, space 0, times 0 [ 86.040211][ T5142] CPU: 1 PID: 5142 Comm: syz.0.23 Tainted: G W syzkaller #0 [ 86.041650][ T5142] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 86.043330][ T5142] Call trace: [ 86.043873][ T5142] dump_backtrace+0x0/0x458 [ 86.044614][ T5142] show_stack+0x2c/0x3c [ 86.045297][ T5142] __dump_stack+0x30/0x40 [ 86.046049][ T5142] dump_stack_lvl+0xf4/0x15c [ 86.046833][ T5142] dump_stack+0x1c/0x5c [ 86.047584][ T5142] should_fail+0x3bc/0x514 [ 86.048314][ T5142] __should_failslab+0xbc/0x10c [ 86.049155][ T5142] should_failslab+0x10/0x28 [ 86.049922][ T5142] slab_pre_alloc_hook+0x64/0xe8 [ 86.050731][ T5142] kmem_cache_alloc+0x94/0x3d4 [ 86.051562][ T5142] btrfs_add_delayed_tree_ref+0x19c/0xd44 [ 86.052503][ T5142] btrfs_alloc_tree_block+0xb98/0x1130 [ 86.053335][ T5142] btrfs_force_cow_block+0x3a8/0x16fc [ 86.054215][ T5142] btrfs_cow_block+0x2d8/0x66c [ 86.055039][ T5142] btrfs_search_slot+0xa10/0x1f44 [ 86.055893][ T5142] btrfs_insert_empty_items+0x1d8/0x2a0 [ 86.056891][ T5142] insert_balance_item+0x170/0x115c [ 86.057832][ T5142] btrfs_balance+0x8e4/0x113c [ 86.058605][ T5142] btrfs_ioctl_balance+0x4cc/0x658 [ 86.059453][ T5142] btrfs_ioctl+0x20c/0xa8c [ 86.060195][ T5142] __arm64_sys_ioctl+0x14c/0x1c8 [ 86.060994][ T5142] invoke_syscall+0x98/0x2b0 [ 86.061815][ T5142] el0_svc_common+0x138/0x258 [ 86.062528][ T5142] do_el0_svc+0x58/0x13c [ 86.063183][ T5142] el0_svc+0x78/0x1d0 [ 86.063756][ T5142] el0t_64_sync_handler+0xcc/0xe4 [ 86.064615][ T5142] el0t_64_sync+0x1a0/0x1a4 [ 86.098175][ T4746] ------------[ cut here ]------------ [ 86.099068][ T4746] WARNING: CPU: 1 PID: 4746 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 86.100944][ T4746] Modules linked in: [ 86.101593][ T4746] CPU: 1 PID: 4746 Comm: syz-executor Tainted: G W syzkaller #0 [ 86.102996][ T4746] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 86.104606][ T4746] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 86.105898][ T4746] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 86.107173][ T4746] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x664 [ 86.108370][ T4746] sp : ffff80001f247740 [ 86.109020][ T4746] x29: ffff80001f247750 x28: dfff800000000000 x27: 1fffe000191da60c [ 86.110427][ T4746] x26: dfff800000000000 x25: ffff8000142ad110 x24: 0000000000000002 [ 86.111857][ T4746] x23: 0000000000000004 x22: 000000000033c000 x21: 0000000000340000 [ 86.113155][ T4746] x20: ffff0000c8ed3060 x19: 0000000000000000 x18: 0000000000000000 [ 86.114492][ T4746] x17: 0000000000000000 x16: ffff8000112695d4 x15: 0000000000000000 [ 86.115838][ T4746] x14: ffff700003e48edc x13: 1ffff00003e48edc x12: 0000000000ff0100 [ 86.117188][ T4746] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a05b1dc [ 86.118624][ T4746] x8 : ffff0000c6649b40 x7 : ffff80000a05a4c0 x6 : 0000000000000000 [ 86.119942][ T4746] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d8840 [ 86.121333][ T4746] x2 : ffffffffffcc0000 x1 : 0000000000340000 x0 : 000000000033c000 [ 86.122682][ T4746] Call trace: [ 86.123256][ T4746] btrfs_space_info_update_bytes_may_use+0x2b8/0x664 [ 86.124362][ T4746] btrfs_block_rsv_release+0x3f8/0x4d4 [ 86.125182][ T4746] btrfs_release_global_block_rsv+0x38/0x22c [ 86.126189][ T4746] btrfs_free_block_groups+0x7ac/0xb3c [ 86.127156][ T4746] close_ctree+0x618/0x834 [ 86.127967][ T4746] btrfs_put_super+0x40/0x50 [ 86.128768][ T4746] generic_shutdown_super+0x130/0x2f0 [ 86.129630][ T4746] kill_anon_super+0x4c/0x80 [ 86.130336][ T4746] btrfs_kill_super+0x40/0x58 [ 86.131102][ T4746] deactivate_locked_super+0xb8/0x134 [ 86.131936][ T4746] deactivate_super+0xf0/0x110 [ 86.132684][ T4746] cleanup_mnt+0x3b8/0x46c [ 86.133391][ T4746] __cleanup_mnt+0x20/0x30 [ 86.134072][ T4746] task_work_run+0x12c/0x1d8 [ 86.134815][ T4746] do_notify_resume+0x2450/0x309c [ 86.135615][ T4746] el0_svc+0xf0/0x1d0 [ 86.136245][ T4746] el0t_64_sync_handler+0xcc/0xe4 [ 86.137019][ T4746] el0t_64_sync+0x1a0/0x1a4 [ 86.137718][ T4746] irq event stamp: 737554 [ 86.138381][ T4746] hardirqs last enabled at (737553): [] kasan_quarantine_put+0xc4/0x200 [ 86.139848][ T4746] hardirqs last disabled at (737554): [] el1_dbg+0x24/0x80 [ 86.141182][ T4746] softirqs last enabled at (735516): [] local_bh_enable+0x10/0x34 [ 86.142680][ T4746] softirqs last disabled at (735514): [] local_bh_disable+0x10/0x34 [ 86.144260][ T4746] ---[ end trace 79bb7083c7900d07 ]---