[ 74.747240][ T7] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.0.70' (ED25519) to the list of known hosts. 1970/01/01 00:01:19 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:01:19 parsed 1 programs [ 82.615741][ T4478] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 85.174873][ T4191] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 85.177441][ T4191] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 85.180444][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 85.202216][ T148] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 85.204506][ T148] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 85.208901][ T4191] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 85.445569][ T4542] chnl_net:caif_netlink_parms(): no params data found [ 85.478123][ T4542] bridge0: port 1(bridge_slave_0) entered blocking state [ 85.480248][ T4542] bridge0: port 1(bridge_slave_0) entered disabled state [ 85.482860][ T4542] device bridge_slave_0 entered promiscuous mode [ 85.487461][ T4542] bridge0: port 2(bridge_slave_1) entered blocking state [ 85.489478][ T4542] bridge0: port 2(bridge_slave_1) entered disabled state [ 85.492099][ T4542] device bridge_slave_1 entered promiscuous mode [ 85.508933][ T4542] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 85.513443][ T4542] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 85.530646][ T4542] team0: Port device team_slave_0 added [ 85.533894][ T4542] team0: Port device team_slave_1 added [ 85.548788][ T4542] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 85.550705][ T4542] 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. [ 85.558305][ T4542] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 85.562972][ T4542] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 85.564876][ T4542] 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. [ 85.572781][ T4542] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 85.639537][ T4542] device hsr_slave_0 entered promiscuous mode [ 85.677401][ T4542] device hsr_slave_1 entered promiscuous mode [ 86.553166][ T4542] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 86.571122][ T4542] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 86.597447][ T4542] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 86.640114][ T4542] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 86.713559][ T4542] 8021q: adding VLAN 0 to HW filter on device bond0 [ 86.720403][ T4191] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 86.722987][ T4191] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 86.727875][ T4542] 8021q: adding VLAN 0 to HW filter on device team0 [ 86.736416][ T460] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 86.739421][ T460] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 86.741874][ T460] bridge0: port 1(bridge_slave_0) entered blocking state [ 86.743847][ T460] bridge0: port 1(bridge_slave_0) entered forwarding state [ 86.748885][ T460] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 86.751646][ T460] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 86.754297][ T460] bridge0: port 2(bridge_slave_1) entered blocking state [ 86.756362][ T460] bridge0: port 2(bridge_slave_1) entered forwarding state [ 86.759601][ T460] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 86.771185][ T460] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 86.773754][ T460] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 86.778786][ T460] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 86.782219][ T460] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 86.784973][ T460] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 86.789842][ T460] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 86.798220][ T4542] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 86.800999][ T4542] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 86.804789][ T460] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 86.809183][ T460] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 86.812199][ T460] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 86.815002][ T460] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 86.820387][ T460] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 86.827655][ T460] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 86.903497][ T4542] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 86.907713][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 86.910044][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 86.921882][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 86.924669][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 86.937346][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 86.940059][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 86.943040][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 86.947133][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 86.951886][ T4542] device veth0_vlan entered promiscuous mode [ 86.958667][ T4542] device veth1_vlan entered promiscuous mode [ 86.974976][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 86.980881][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 86.983539][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 86.987965][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 87.019864][ T4542] device veth0_macvtap entered promiscuous mode [ 87.023969][ T4542] device veth1_macvtap entered promiscuous mode [ 87.039790][ T4542] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 87.041882][ T4191] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 87.044547][ T4191] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 87.047709][ T4191] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 87.050409][ T4191] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 87.055062][ T4542] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 87.059779][ T4542] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 87.062116][ T4542] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 87.064429][ T4542] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 87.068242][ T4542] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 87.071657][ T4191] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 87.074452][ T4191] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 1970/01/01 00:01:27 executed programs: 0 [ 87.282649][ T4646] chnl_net:caif_netlink_parms(): no params data found [ 87.315065][ T4646] bridge0: port 1(bridge_slave_0) entered blocking state [ 87.317920][ T4646] bridge0: port 1(bridge_slave_0) entered disabled state [ 87.320453][ T4646] device bridge_slave_0 entered promiscuous mode [ 87.324115][ T4646] bridge0: port 2(bridge_slave_1) entered blocking state [ 87.326284][ T4646] bridge0: port 2(bridge_slave_1) entered disabled state [ 87.329604][ T4646] device bridge_slave_1 entered promiscuous mode [ 87.343459][ T4646] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 87.348356][ T4646] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 87.364282][ T4646] team0: Port device team_slave_0 added [ 87.368145][ T4646] team0: Port device team_slave_1 added [ 87.381469][ T4646] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 87.383354][ T4646] 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. [ 87.391105][ T4646] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 87.395753][ T4646] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 87.397690][ T4646] 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. [ 87.404788][ T4646] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 87.469004][ T4646] device hsr_slave_0 entered promiscuous mode [ 87.486332][ T4646] device hsr_slave_1 entered promiscuous mode [ 87.525929][ T4646] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 87.528053][ T4646] Cannot create hsr debugfs directory [ 87.618602][ T4646] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 89.225887][ T3615] Bluetooth: hci0: command 0x0409 tx timeout [ 90.015564][ T4646] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 91.305871][ T4097] Bluetooth: hci0: command 0x041b tx timeout [ 92.112137][ T4646] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 92.174778][ T4646] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 92.350480][ T4646] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 92.409007][ T4646] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 92.448030][ T4646] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 92.487682][ T4646] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 92.590830][ T4646] 8021q: adding VLAN 0 to HW filter on device bond0 [ 92.600075][ T4191] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 92.602622][ T4191] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 92.611346][ T4646] 8021q: adding VLAN 0 to HW filter on device team0 [ 92.616133][ T4191] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 92.618845][ T4191] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 92.621360][ T4191] bridge0: port 1(bridge_slave_0) entered blocking state [ 92.623255][ T4191] bridge0: port 1(bridge_slave_0) entered forwarding state [ 92.634839][ T4191] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 92.637665][ T4191] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 92.640494][ T4191] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 92.643120][ T4191] bridge0: port 2(bridge_slave_1) entered blocking state [ 92.645071][ T4191] bridge0: port 2(bridge_slave_1) entered forwarding state [ 92.647820][ T4191] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 92.660049][ T4191] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 92.662846][ T4191] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 92.666808][ T4191] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 92.669482][ T4191] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 92.672663][ T4191] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 92.677720][ T4191] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 92.680471][ T4191] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 92.683157][ T4191] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 92.690152][ T4646] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 92.693532][ T4646] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 92.697574][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 92.700392][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 93.001711][ T4191] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 93.003885][ T4191] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 93.010860][ T4646] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 93.022291][ T4191] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 93.025137][ T4191] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 93.038998][ T4646] device veth0_vlan entered promiscuous mode [ 93.043649][ T4191] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 93.046704][ T4191] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 93.049571][ T4191] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 93.051977][ T4191] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 93.057228][ T4646] device veth1_vlan entered promiscuous mode [ 93.070818][ T4191] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 93.073572][ T4191] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 93.076472][ T4191] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 93.079211][ T4191] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 93.084346][ T4646] device veth0_macvtap entered promiscuous mode [ 93.089105][ T4646] device veth1_macvtap entered promiscuous mode [ 93.098327][ T4646] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 93.101311][ T4646] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 93.104973][ T4646] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 93.108580][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 93.111277][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 93.113778][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 93.116648][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 93.121072][ T4646] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 93.123888][ T4646] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 93.128878][ T4646] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 93.130942][ T4191] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 93.133689][ T4191] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 93.150902][ T4646] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 93.153336][ T4646] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 93.155922][ T4646] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 93.158242][ T4646] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 93.191607][ T4191] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 93.193977][ T4191] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 93.197253][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 93.208463][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 93.210826][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 93.213468][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:01:33 executed programs: 2 [ 93.386535][ T13] Bluetooth: hci0: command 0x040f tx timeout [ 93.452528][ T4923] loop0: detected capacity change from 0 to 32768 [ 93.459947][ T4923] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.15 (4923) [ 93.475613][ T4923] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 93.478963][ T4923] BTRFS info (device loop0): metadata ratio 4 [ 93.480817][ T4923] BTRFS info (device loop0): setting incompat feature flag for COMPRESS_LZO (0x8) [ 93.483261][ T4923] BTRFS info (device loop0): force lzo compression, level 0 [ 93.485266][ T4923] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 93.489286][ T4923] BTRFS info (device loop0): trying to use backup root at mount time [ 93.491400][ T4923] BTRFS info (device loop0): enabling auto defrag [ 93.493069][ T4923] BTRFS info (device loop0): setting nodatacow [ 93.494693][ T4923] BTRFS info (device loop0): disabling tree log [ 93.496956][ T4923] BTRFS info (device loop0): using free space tree [ 93.498749][ T4923] BTRFS info (device loop0): has skinny extents [ 93.512787][ T9] BTRFS warning (device loop0): checksum verify failed on 5332992 wanted 0x0a5e5d25 found 0x26333c6f level 0 [ 93.519219][ T4923] BTRFS warning (device loop0): couldn't read tree root [ 93.521389][ T148] BTRFS warning (device loop0): checksum verify failed on 5324800 wanted 0x9f73850b found 0x78ca8373 level 0 [ 93.524719][ T4923] BTRFS warning (device loop0): couldn't read tree root [ 93.528117][ T4923] BTRFS error (device loop0): parent transid verify failed on 5255168 wanted 5 found 7 [ 93.530992][ T4923] BTRFS warning (device loop0): couldn't read tree root [ 93.541591][ T4923] BTRFS info (device loop0): enabling ssd optimizations [ 93.544509][ T4923] BTRFS info (device loop0): clearing free space tree [ 93.548643][ T4923] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 93.551349][ T4923] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 93.566221][ T4923] BTRFS info (device loop0): creating free space tree [ 93.569099][ T4923] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 93.571666][ T4923] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 93.586994][ T4923] FAULT_INJECTION: forcing a failure. [ 93.586994][ T4923] name failslab, interval 1, probability 0, space 0, times 1 [ 93.590540][ T4923] CPU: 1 PID: 4923 Comm: syz.0.15 Not tainted 5.15.188-syzkaller #0 [ 93.592592][ T4923] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 93.595168][ T4923] Call trace: [ 93.596026][ T4923] dump_backtrace+0x0/0x43c [ 93.597223][ T4923] show_stack+0x2c/0x3c [ 93.598356][ T4923] __dump_stack+0x30/0x40 [ 93.599527][ T4923] dump_stack_lvl+0xf8/0x160 [ 93.600749][ T4923] dump_stack+0x1c/0x5c [ 93.601933][ T4923] should_fail+0x3c0/0x51c [ 93.603151][ T4923] __should_failslab+0xbc/0x10c [ 93.604481][ T4923] should_failslab+0x10/0x28 [ 93.605706][ T4923] slab_pre_alloc_hook+0x64/0xec [ 93.607040][ T4923] kmem_cache_alloc+0x94/0x3e4 [ 93.608317][ T4923] btrfs_alloc_tree_block+0xa30/0x112c [ 93.609827][ T4923] insert_new_root+0x238/0x890 [ 93.611104][ T4923] split_leaf+0xa38/0x1074 [ 93.612332][ T4923] btrfs_search_slot+0x1c24/0x1f4c [ 93.613695][ T4923] btrfs_insert_empty_items+0x1e0/0x2a8 [ 93.615208][ T4923] insert_with_overflow+0xb4/0x238 [ 93.616603][ T4923] btrfs_insert_xattr_item+0x160/0x2dc [ 93.618083][ T4923] btrfs_setxattr+0x3d8/0x8cc [ 93.619412][ T4923] btrfs_setxattr_trans+0xfc/0x360 [ 93.620784][ T4923] btrfs_xattr_handler_set+0xb0/0xd8 [ 93.622222][ T4923] __vfs_setxattr+0x388/0x3a4 [ 93.623462][ T4923] __vfs_setxattr_noperm+0x120/0x564 [ 93.624904][ T4923] __vfs_setxattr_locked+0x1ec/0x218 [ 93.626381][ T4923] vfs_setxattr+0x158/0x2ac [ 93.627630][ T4923] setxattr+0x248/0x2ac [ 93.628755][ T4923] path_setxattr+0x12c/0x25c [ 93.629997][ T4923] __arm64_sys_setxattr+0xbc/0xd8 [ 93.631365][ T4923] invoke_syscall+0x98/0x2b8 [ 93.632636][ T4923] el0_svc_common+0x138/0x258 [ 93.633850][ T4923] do_el0_svc+0x58/0x14c [ 93.635121][ T4923] el0_svc+0x78/0x1e0 [ 93.636213][ T4923] el0t_64_sync_handler+0xcc/0xe4 [ 93.637583][ T4923] el0t_64_sync+0x1a0/0x1a4 [ 93.712224][ T4646] ------------[ cut here ]------------ [ 93.713956][ T4646] WARNING: CPU: 0 PID: 4646 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 93.717086][ T4646] Modules linked in: [ 93.718187][ T4646] CPU: 0 PID: 4646 Comm: syz-executor Not tainted 5.15.188-syzkaller #0 [ 93.720474][ T4646] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 93.723205][ T4646] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 93.725450][ T4646] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 93.727440][ T4646] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c [ 93.729356][ T4646] sp : ffff80001f997740 [ 93.730548][ T4646] x29: ffff80001f997750 x28: dfff800000000000 x27: 1fffe000192a540c [ 93.732695][ T4646] x26: dfff800000000000 x25: ffff80001417d310 x24: 0000000000000001 [ 93.734998][ T4646] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 93.737154][ T4646] x20: ffff0000c952a060 x19: 0000000000000000 x18: 0000000000000000 [ 93.739369][ T4646] x17: ffff800016d15000 x16: ffff8000111d162c x15: ffff8000167f5500 [ 93.741528][ T4646] x14: ffff0000c2f15bc0 x13: ffff0000c2f15be8 x12: 0000000000ff0100 [ 93.743619][ T4646] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a038dec [ 93.745819][ T4646] x8 : ffff0000c2f151c0 x7 : 0000000000000000 x6 : 0000000000000000 [ 93.748006][ T4646] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff8000082d608c [ 93.750187][ T4646] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 93.752309][ T4646] Call trace: [ 93.753257][ T4646] btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 93.755024][ T4646] btrfs_block_rsv_release+0x408/0x4e4 [ 93.756486][ T4646] btrfs_release_global_block_rsv+0x38/0x22c [ 93.758101][ T4646] btrfs_free_block_groups+0x7b4/0xb44 [ 93.759617][ T4646] close_ctree+0x608/0x84c [ 93.760782][ T4646] btrfs_put_super+0x40/0x50 [ 93.762026][ T4646] generic_shutdown_super+0x130/0x2f0 [ 93.763409][ T4646] kill_anon_super+0x4c/0x80 [ 93.764608][ T4646] btrfs_kill_super+0x40/0x58 [ 93.765837][ T4646] deactivate_locked_super+0xb8/0x13c [ 93.767280][ T4646] deactivate_super+0xf8/0x118 [ 93.768538][ T4646] cleanup_mnt+0x3a4/0x458 [ 93.769743][ T4646] __cleanup_mnt+0x20/0x30 [ 93.771112][ T4646] task_work_run+0x12c/0x1e0 [ 93.772383][ T4646] do_notify_resume+0x24b4/0x3128 [ 93.773760][ T4646] el0_svc+0xf0/0x1e0 [ 93.774860][ T4646] el0t_64_sync_handler+0xcc/0xe4 [ 93.776258][ T4646] el0t_64_sync+0x1a0/0x1a4 [ 93.777470][ T4646] irq event stamp: 123494 [ 93.778581][ T4646] hardirqs last enabled at (123493): [] kasan_quarantine_put+0xc4/0x204 [ 93.781537][ T4646] hardirqs last disabled at (123494): [] el1_dbg+0x24/0x80 [ 93.783919][ T4646] softirqs last enabled at (122166): [] handle_softirqs+0xa4c/0xbf0 [ 93.786575][ T4646] softirqs last disabled at (122155): [] __irq_exit_rcu+0x240/0x440 [ 93.789088][ T4646] ---[ end trace f2a627920660e69d ]--- [ 94.048916][ T350] device hsr_slave_0 left promiscuous mode [ 94.086016][ T350] device hsr_slave_1 left promiscuous mode [ 94.140734][ T4946] loop0: detected capacity change from 0 to 32768 [ 94.156255][ T4946] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.16 (4946) [ 94.164487][ T4946] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 94.166445][ T350] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 94.167923][ T4946] BTRFS info (device loop0): metadata ratio 4 [ 94.169283][ T350] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 94.170930][ T4946] BTRFS info (device loop0): setting incompat feature flag for COMPRESS_LZO (0x8) [ 94.175802][ T4946] BTRFS info (device loop0): force lzo compression, level 0 [ 94.177862][ T4946] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 94.178826][ T350] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 94.180944][ T4946] BTRFS info (device loop0): trying to use backup root at mount time [ 94.182936][ T350] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 94.185084][ T4946] BTRFS info (device loop0): enabling auto defrag [ 94.185105][ T4946] BTRFS info (device loop0): setting nodatacow [ 94.185122][ T4946] BTRFS info (device loop0): disabling tree log [ 94.193972][ T4946] BTRFS info (device loop0): using free space tree [ 94.196047][ T4946] BTRFS info (device loop0): has skinny extents [ 94.198240][ T350] device bridge_slave_1 left promiscuous mode [ 94.200114][ T350] bridge0: port 2(bridge_slave_1) entered disabled state [ 94.213596][ T4191] BTRFS warning (device loop0): checksum verify failed on 5332992 wanted 0x0a5e5d25 found 0x26333c6f level 0 [ 94.218110][ T4946] BTRFS warning (device loop0): couldn't read tree root [ 94.220835][ T9] BTRFS warning (device loop0): checksum verify failed on 5324800 wanted 0x9f73850b found 0x78ca8373 level 0 [ 94.224116][ T4946] BTRFS warning (device loop0): couldn't read tree root [ 94.229150][ T4946] BTRFS error (device loop0): parent transid verify failed on 5255168 wanted 5 found 7 [ 94.232048][ T4946] BTRFS warning (device loop0): couldn't read tree root [ 94.237399][ T350] device bridge_slave_0 left promiscuous mode [ 94.239003][ T4946] BTRFS info (device loop0): enabling ssd optimizations [ 94.239199][ T350] bridge0: port 1(bridge_slave_0) entered disabled state [ 94.241418][ T4946] BTRFS info (device loop0): clearing free space tree [ 94.245059][ T4946] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 94.250593][ T4946] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 94.257987][ T4946] BTRFS info (device loop0): creating free space tree [ 94.260607][ T4946] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 94.263162][ T4946] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 94.274147][ T4946] FAULT_INJECTION: forcing a failure. [ 94.274147][ T4946] name failslab, interval 1, probability 0, space 0, times 0 [ 94.278455][ T4946] CPU: 1 PID: 4946 Comm: syz.0.16 Tainted: G W 5.15.188-syzkaller #0 [ 94.281050][ T4946] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 94.283873][ T4946] Call trace: [ 94.284784][ T4946] dump_backtrace+0x0/0x43c [ 94.286042][ T4946] show_stack+0x2c/0x3c [ 94.287219][ T4946] __dump_stack+0x30/0x40 [ 94.288419][ T4946] dump_stack_lvl+0xf8/0x160 [ 94.289683][ T4946] dump_stack+0x1c/0x5c [ 94.290874][ T4946] should_fail+0x3c0/0x51c [ 94.292115][ T4946] __should_failslab+0xbc/0x10c [ 94.293575][ T4946] should_failslab+0x10/0x28 [ 94.294860][ T4946] slab_pre_alloc_hook+0x64/0xec [ 94.296262][ T4946] kmem_cache_alloc+0x94/0x3e4 [ 94.297589][ T4946] alloc_extent_state+0x38/0x430 [ 94.298981][ T4946] set_extent_bit+0x1b4/0x13f4 [ 94.300274][ T4946] btrfs_alloc_tree_block+0x98c/0x112c [ 94.301834][ T4946] insert_new_root+0x238/0x890 [ 94.303160][ T4946] split_leaf+0xa38/0x1074 [ 94.304315][ T4946] btrfs_search_slot+0x1c24/0x1f4c [ 94.305780][ T4946] btrfs_insert_empty_items+0x1e0/0x2a8 [ 94.307326][ T4946] insert_with_overflow+0xb4/0x238 [ 94.308735][ T4946] btrfs_insert_xattr_item+0x160/0x2dc [ 94.310315][ T4946] btrfs_setxattr+0x3d8/0x8cc [ 94.311610][ T4946] btrfs_setxattr_trans+0xfc/0x360 [ 94.313034][ T4946] btrfs_xattr_handler_set+0xb0/0xd8 [ 94.314474][ T4946] __vfs_setxattr+0x388/0x3a4 [ 94.315787][ T4946] __vfs_setxattr_noperm+0x120/0x564 [ 94.317267][ T4946] __vfs_setxattr_locked+0x1ec/0x218 [ 94.318710][ T4946] vfs_setxattr+0x158/0x2ac [ 94.319917][ T4946] setxattr+0x248/0x2ac [ 94.321081][ T4946] path_setxattr+0x12c/0x25c [ 94.322323][ T4946] __arm64_sys_setxattr+0xbc/0xd8 [ 94.323706][ T4946] invoke_syscall+0x98/0x2b8 [ 94.324967][ T4946] el0_svc_common+0x138/0x258 [ 94.326366][ T4946] do_el0_svc+0x58/0x14c [ 94.327531][ T4946] el0_svc+0x78/0x1e0 [ 94.328626][ T4946] el0t_64_sync_handler+0xcc/0xe4 [ 94.330010][ T4946] el0t_64_sync+0x1a0/0x1a4 [ 94.415883][ T350] device veth1_macvtap left promiscuous mode [ 94.417547][ T350] device veth0_macvtap left promiscuous mode [ 94.419245][ T350] device veth1_vlan left promiscuous mode [ 94.420944][ T350] device veth0_vlan left promiscuous mode [ 94.659391][ T4968] loop0: detected capacity change from 0 to 32768 [ 94.687931][ T350] team0 (unregistering): Port device team_slave_1 removed [ 94.695568][ T350] team0 (unregistering): Port device team_slave_0 removed [ 94.704949][ T350] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 94.741994][ T4968] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.17 (4968) [ 94.758856][ T350] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 94.760672][ T4968] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 94.763681][ T4968] BTRFS info (device loop0): metadata ratio 4 [ 94.765291][ T4968] BTRFS info (device loop0): setting incompat feature flag for COMPRESS_LZO (0x8) [ 94.768470][ T4968] BTRFS info (device loop0): force lzo compression, level 0 [ 94.770419][ T4968] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 94.773225][ T4968] BTRFS info (device loop0): trying to use backup root at mount time [ 94.775381][ T4968] BTRFS info (device loop0): enabling auto defrag [ 94.777736][ T4968] BTRFS info (device loop0): setting nodatacow [ 94.779386][ T4968] BTRFS info (device loop0): disabling tree log [ 94.781020][ T4968] BTRFS info (device loop0): using free space tree [ 94.782848][ T4968] BTRFS info (device loop0): has skinny extents [ 94.836324][ T4191] BTRFS warning (device loop0): checksum verify failed on 5332992 wanted 0x0a5e5d25 found 0x26333c6f level 0 [ 94.839935][ T4968] BTRFS warning (device loop0): couldn't read tree root [ 94.842199][ T460] BTRFS warning (device loop0): checksum verify failed on 5324800 wanted 0x9f73850b found 0x78ca8373 level 0 [ 94.845557][ T4968] BTRFS warning (device loop0): couldn't read tree root [ 94.850988][ T4968] BTRFS error (device loop0): parent transid verify failed on 5255168 wanted 5 found 7 [ 94.853715][ T4968] BTRFS warning (device loop0): couldn't read tree root [ 94.860379][ T4968] BTRFS info (device loop0): enabling ssd optimizations [ 94.862791][ T4968] BTRFS info (device loop0): clearing free space tree [ 94.864702][ T4968] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 94.870379][ T4968] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 94.876670][ T4968] BTRFS info (device loop0): creating free space tree [ 94.879135][ T4968] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 94.881079][ T350] bond0 (unregistering): Released all slaves [ 94.881806][ T4968] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 94.895232][ T4968] FAULT_INJECTION: forcing a failure. [ 94.895232][ T4968] name failslab, interval 1, probability 0, space 0, times 0 [ 94.899460][ T4968] CPU: 1 PID: 4968 Comm: syz.0.17 Tainted: G W 5.15.188-syzkaller #0 [ 94.901961][ T4968] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 94.904674][ T4968] Call trace: [ 94.905528][ T4968] dump_backtrace+0x0/0x43c [ 94.906832][ T4968] show_stack+0x2c/0x3c [ 94.908011][ T4968] __dump_stack+0x30/0x40 [ 94.909202][ T4968] dump_stack_lvl+0xf8/0x160 [ 94.910461][ T4968] dump_stack+0x1c/0x5c [ 94.911612][ T4968] should_fail+0x3c0/0x51c [ 94.912866][ T4968] __should_failslab+0xbc/0x10c [ 94.914178][ T4968] should_failslab+0x10/0x28 [ 94.915524][ T4968] slab_pre_alloc_hook+0x64/0xec [ 94.916925][ T4968] kmem_cache_alloc+0x94/0x3e4 [ 94.918252][ T4968] btrfs_alloc_tree_block+0xa30/0x112c [ 94.919782][ T4968] insert_new_root+0x238/0x890 [ 94.921158][ T4968] split_leaf+0xa38/0x1074 [ 94.922401][ T4968] btrfs_search_slot+0x1c24/0x1f4c [ 94.923809][ T4968] btrfs_insert_empty_items+0x1e0/0x2a8 [ 94.925297][ T4968] insert_with_overflow+0xb4/0x238 [ 94.926683][ T4968] btrfs_insert_xattr_item+0x160/0x2dc [ 94.928162][ T4968] btrfs_setxattr+0x3d8/0x8cc [ 94.929462][ T4968] btrfs_setxattr_trans+0xfc/0x360 [ 94.930891][ T4968] btrfs_xattr_handler_set+0xb0/0xd8 [ 94.932378][ T4968] __vfs_setxattr+0x388/0x3a4 [ 94.933645][ T4968] __vfs_setxattr_noperm+0x120/0x564 [ 94.935081][ T4968] __vfs_setxattr_locked+0x1ec/0x218 [ 94.936516][ T4968] vfs_setxattr+0x158/0x2ac [ 94.937736][ T4968] setxattr+0x248/0x2ac [ 94.938851][ T4968] path_setxattr+0x12c/0x25c [ 94.940080][ T4968] __arm64_sys_setxattr+0xbc/0xd8 [ 94.941455][ T4968] invoke_syscall+0x98/0x2b8 [ 94.942707][ T4968] el0_svc_common+0x138/0x258 [ 94.943966][ T4968] do_el0_svc+0x58/0x14c [ 94.945105][ T4968] el0_svc+0x78/0x1e0 [ 94.946161][ T4968] el0t_64_sync_handler+0xcc/0xe4 [ 94.947559][ T4968] el0t_64_sync+0x1a0/0x1a4 [ 95.019732][ T4646] ------------[ cut here ]------------ [ 95.021255][ T4646] WARNING: CPU: 1 PID: 4646 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 95.024456][ T4646] Modules linked in: [ 95.025523][ T4646] CPU: 1 PID: 4646 Comm: syz-executor Tainted: G W 5.15.188-syzkaller #0 [ 95.028167][ T4646] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 95.031065][ T4646] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 95.033188][ T4646] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 95.035110][ T4646] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c [ 95.037098][ T4646] sp : ffff80001f997740 [ 95.038244][ T4646] x29: ffff80001f997750 x28: dfff800000000000 x27: 1fffe0001added0c [ 95.040431][ T4646] x26: dfff800000000000 x25: ffff80001417d310 x24: 0000000000000002 [ 95.042641][ T4646] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 95.044782][ T4646] x20: ffff0000d6ef6860 x19: 0000000000000000 x18: 0000000000000000 [ 95.046994][ T4646] x17: 0000000000000000 x16: ffff8000111d162c x15: 0000000000000003 [ 95.049189][ T4646] x14: 00000000111cd44c x13: 1ffff0000283006b x12: 0000000000ff0100 [ 95.051306][ T4646] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a038dec [ 95.053416][ T4646] x8 : ffff0000c2f151c0 x7 : ffff80000a0380d0 x6 : 0000000000000000 [ 95.055554][ T4646] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d608c [ 95.057724][ T4646] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 95.059950][ T4646] Call trace: [ 95.060795][ T4646] btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 95.062643][ T4646] btrfs_block_rsv_release+0x408/0x4e4 [ 95.064101][ T4646] btrfs_release_global_block_rsv+0x38/0x22c [ 95.065673][ T4646] btrfs_free_block_groups+0x7b4/0xb44 [ 95.067170][ T4646] close_ctree+0x608/0x84c [ 95.068372][ T4646] btrfs_put_super+0x40/0x50 [ 95.069656][ T4646] generic_shutdown_super+0x130/0x2f0 [ 95.071106][ T4646] kill_anon_super+0x4c/0x80 [ 95.072394][ T4646] btrfs_kill_super+0x40/0x58 [ 95.073739][ T4646] deactivate_locked_super+0xb8/0x13c [ 95.075236][ T4646] deactivate_super+0xf8/0x118 [ 95.076609][ T4646] cleanup_mnt+0x3a4/0x458 [ 95.077814][ T4646] __cleanup_mnt+0x20/0x30 [ 95.079138][ T4646] task_work_run+0x12c/0x1e0 [ 95.080388][ T4646] do_notify_resume+0x24b4/0x3128 [ 95.081774][ T4646] el0_svc+0xf0/0x1e0 [ 95.082930][ T4646] el0t_64_sync_handler+0xcc/0xe4 [ 95.084327][ T4646] el0t_64_sync+0x1a0/0x1a4 [ 95.085561][ T4646] irq event stamp: 146716 [ 95.086719][ T4646] hardirqs last enabled at (146715): [] kasan_quarantine_put+0xc4/0x204 [ 95.089500][ T4646] hardirqs last disabled at (146716): [] el1_dbg+0x24/0x80 [ 95.091840][ T4646] softirqs last enabled at (145402): [] handle_softirqs+0xa4c/0xbf0 [ 95.094452][ T4646] softirqs last disabled at (145311): [] __irq_exit_rcu+0x240/0x440 [ 95.097146][ T4646] ---[ end trace f2a627920660e69e ]--- [ 95.337264][ T4990] loop0: detected capacity change from 0 to 32768 [ 95.382199][ T4990] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.18 (4990) [ 95.391421][ T4990] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 95.393968][ T4990] BTRFS info (device loop0): metadata ratio 4 [ 95.396264][ T4990] BTRFS info (device loop0): setting incompat feature flag for COMPRESS_LZO (0x8) [ 95.398816][ T4990] BTRFS info (device loop0): force lzo compression, level 0 [ 95.400748][ T4990] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 95.403554][ T4990] BTRFS info (device loop0): trying to use backup root at mount time [ 95.406610][ T4990] BTRFS info (device loop0): enabling auto defrag [ 95.408388][ T4990] BTRFS info (device loop0): setting nodatacow [ 95.410002][ T4990] BTRFS info (device loop0): disabling tree log [ 95.411621][ T4990] BTRFS info (device loop0): using free space tree [ 95.413361][ T4990] BTRFS info (device loop0): has skinny extents [ 95.424458][ T460] BTRFS warning (device loop0): checksum verify failed on 5332992 wanted 0x0a5e5d25 found 0x26333c6f level 0 [ 95.430132][ T4990] BTRFS warning (device loop0): couldn't read tree root [ 95.432691][ T9] BTRFS warning (device loop0): checksum verify failed on 5324800 wanted 0x9f73850b found 0x78ca8373 level 0 [ 95.437514][ T4990] BTRFS warning (device loop0): couldn't read tree root [ 95.439765][ T4990] BTRFS error (device loop0): parent transid verify failed on 5255168 wanted 5 found 7 [ 95.442544][ T4990] BTRFS warning (device loop0): couldn't read tree root [ 95.449551][ T4990] BTRFS info (device loop0): enabling ssd optimizations [ 95.452021][ T4990] BTRFS info (device loop0): clearing free space tree [ 95.453961][ T4990] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 95.458331][ T4990] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 95.464277][ T4990] BTRFS info (device loop0): creating free space tree [ 95.466327][ T3615] Bluetooth: hci0: command 0x0419 tx timeout [ 95.469933][ T4990] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 95.472615][ T4990] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 95.482596][ T4990] FAULT_INJECTION: forcing a failure. [ 95.482596][ T4990] name failslab, interval 1, probability 0, space 0, times 0 [ 95.487505][ T4990] CPU: 0 PID: 4990 Comm: syz.0.18 Tainted: G W 5.15.188-syzkaller #0 [ 95.490000][ T4990] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 95.492626][ T4990] Call trace: [ 95.493525][ T4990] dump_backtrace+0x0/0x43c [ 95.494783][ T4990] show_stack+0x2c/0x3c [ 95.495880][ T4990] __dump_stack+0x30/0x40 [ 95.497090][ T4990] dump_stack_lvl+0xf8/0x160 [ 95.498281][ T4990] dump_stack+0x1c/0x5c [ 95.499401][ T4990] should_fail+0x3c0/0x51c [ 95.500687][ T4990] __should_failslab+0xbc/0x10c [ 95.501994][ T4990] should_failslab+0x10/0x28 [ 95.503242][ T4990] slab_pre_alloc_hook+0x64/0xec [ 95.504655][ T4990] kmem_cache_alloc+0x94/0x3e4 [ 95.505922][ T4990] btrfs_alloc_tree_block+0xa30/0x112c [ 95.507494][ T4990] insert_new_root+0x238/0x890 [ 95.508978][ T4990] split_leaf+0xa38/0x1074 [ 95.510203][ T4990] btrfs_search_slot+0x1c24/0x1f4c [ 95.511533][ T4990] btrfs_insert_empty_items+0x1e0/0x2a8 [ 95.513395][ T4990] insert_with_overflow+0xb4/0x238 [ 95.514821][ T4990] btrfs_insert_xattr_item+0x160/0x2dc [ 95.516318][ T4990] btrfs_setxattr+0x3d8/0x8cc [ 95.517641][ T4990] btrfs_setxattr_trans+0xfc/0x360 [ 95.519025][ T4990] btrfs_xattr_handler_set+0xb0/0xd8 [ 95.520459][ T4990] __vfs_setxattr+0x388/0x3a4 [ 95.521795][ T4990] __vfs_setxattr_noperm+0x120/0x564 [ 95.523232][ T4990] __vfs_setxattr_locked+0x1ec/0x218 [ 95.524712][ T4990] vfs_setxattr+0x158/0x2ac [ 95.526008][ T4990] setxattr+0x248/0x2ac [ 95.527169][ T4990] path_setxattr+0x12c/0x25c [ 95.528429][ T4990] __arm64_sys_setxattr+0xbc/0xd8 [ 95.529790][ T4990] invoke_syscall+0x98/0x2b8 [ 95.531023][ T4990] el0_svc_common+0x138/0x258 [ 95.532384][ T4990] do_el0_svc+0x58/0x14c [ 95.533579][ T4990] el0_svc+0x78/0x1e0 [ 95.534696][ T4990] el0t_64_sync_handler+0xcc/0xe4 [ 95.536071][ T4990] el0t_64_sync+0x1a0/0x1a4 [ 95.620066][ T4646] ------------[ cut here ]------------ [ 95.621581][ T4646] WARNING: CPU: 1 PID: 4646 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 95.624622][ T4646] Modules linked in: [ 95.625691][ T4646] CPU: 1 PID: 4646 Comm: syz-executor Tainted: G W 5.15.188-syzkaller #0 [ 95.628429][ T4646] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 95.631300][ T4646] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 95.633427][ T4646] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 95.635317][ T4646] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c [ 95.637235][ T4646] sp : ffff80001f997740 [ 95.638394][ T4646] x29: ffff80001f997750 x28: dfff800000000000 x27: 1fffe0001d84ca0c [ 95.640627][ T4646] x26: dfff800000000000 x25: ffff80001417d310 x24: 0000000000000002 [ 95.642779][ T4646] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 95.645031][ T4646] x20: ffff0000ec265060 x19: 0000000000000000 x18: 0000000000000000 [ 95.647177][ T4646] x17: 0000000000000000 x16: ffff8000111d162c x15: 0000000000000003 [ 95.649327][ T4646] x14: 00000000111cd44c x13: 1ffff0000283006b x12: 0000000000ff0100 [ 95.651495][ T4646] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a038dec [ 95.653826][ T4646] x8 : ffff0000c2f151c0 x7 : ffff80000a0380d0 x6 : 0000000000000000 [ 95.656104][ T4646] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d608c [ 95.658292][ T4646] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 95.660643][ T4646] Call trace: [ 95.661525][ T4646] btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 95.663381][ T4646] btrfs_block_rsv_release+0x408/0x4e4 [ 95.664902][ T4646] btrfs_release_global_block_rsv+0x38/0x22c [ 95.666510][ T4646] btrfs_free_block_groups+0x7b4/0xb44 [ 95.668055][ T4646] close_ctree+0x608/0x84c [ 95.669258][ T4646] btrfs_put_super+0x40/0x50 [ 95.670495][ T4646] generic_shutdown_super+0x130/0x2f0 [ 95.671972][ T4646] kill_anon_super+0x4c/0x80 [ 95.673208][ T4646] btrfs_kill_super+0x40/0x58 [ 95.674524][ T4646] deactivate_locked_super+0xb8/0x13c [ 95.676026][ T4646] deactivate_super+0xf8/0x118 [ 95.677377][ T4646] cleanup_mnt+0x3a4/0x458 [ 95.678619][ T4646] __cleanup_mnt+0x20/0x30 [ 95.679856][ T4646] task_work_run+0x12c/0x1e0 [ 95.681185][ T4646] do_notify_resume+0x24b4/0x3128 [ 95.682615][ T4646] el0_svc+0xf0/0x1e0 [ 95.683729][ T4646] el0t_64_sync_handler+0xcc/0xe4 [ 95.685094][ T4646] el0t_64_sync+0x1a0/0x1a4 [ 95.686277][ T4646] irq event stamp: 152746 [ 95.687505][ T4646] hardirqs last enabled at (152745): [] kasan_quarantine_put+0xc4/0x204 [ 95.690226][ T4646] hardirqs last disabled at (152746): [] el1_dbg+0x24/0x80 [ 95.692659][ T4646] softirqs last enabled at (152362): [] handle_softirqs+0xa4c/0xbf0 [ 95.695293][ T4646] softirqs last disabled at (152355): [] __irq_exit_rcu+0x240/0x440 [ 95.697964][ T4646] ---[ end trace f2a627920660e69f ]--- [ 95.977948][ T5012] loop0: detected capacity change from 0 to 32768 [ 96.055875][ T5012] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.19 (5012) [ 96.064597][ T5012] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 96.067478][ T5012] BTRFS info (device loop0): metadata ratio 4 [ 96.069292][ T5012] BTRFS info (device loop0): setting incompat feature flag for COMPRESS_LZO (0x8) [ 96.071749][ T5012] BTRFS info (device loop0): force lzo compression, level 0 [ 96.073705][ T5012] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 96.077484][ T5012] BTRFS info (device loop0): trying to use backup root at mount time [ 96.079824][ T5012] BTRFS info (device loop0): enabling auto defrag [ 96.081576][ T5012] BTRFS info (device loop0): setting nodatacow [ 96.083181][ T5012] BTRFS info (device loop0): disabling tree log [ 96.084824][ T5012] BTRFS info (device loop0): using free space tree [ 96.087639][ T5012] BTRFS info (device loop0): has skinny extents [ 96.099179][ T4191] BTRFS warning (device loop0): checksum verify failed on 5332992 wanted 0x0a5e5d25 found 0x26333c6f level 0 [ 96.103099][ T5012] BTRFS warning (device loop0): couldn't read tree root [ 96.105375][ T9] BTRFS warning (device loop0): checksum verify failed on 5324800 wanted 0x9f73850b found 0x78ca8373 level 0 [ 96.113298][ T5012] BTRFS warning (device loop0): couldn't read tree root [ 96.115967][ T5012] BTRFS error (device loop0): parent transid verify failed on 5255168 wanted 5 found 7 [ 96.118628][ T5012] BTRFS warning (device loop0): couldn't read tree root [ 96.131016][ T5012] BTRFS info (device loop0): enabling ssd optimizations [ 96.133329][ T5012] BTRFS info (device loop0): clearing free space tree [ 96.135112][ T5012] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 96.138562][ T5012] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 96.144786][ T5012] BTRFS info (device loop0): creating free space tree [ 96.148472][ T5012] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 96.151183][ T5012] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 96.159444][ T5012] FAULT_INJECTION: forcing a failure. [ 96.159444][ T5012] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 96.163403][ T5012] CPU: 1 PID: 5012 Comm: syz.0.19 Tainted: G W 5.15.188-syzkaller #0 [ 96.165996][ T5012] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 96.168760][ T5012] Call trace: [ 96.169624][ T5012] dump_backtrace+0x0/0x43c [ 96.170806][ T5012] show_stack+0x2c/0x3c [ 96.171923][ T5012] __dump_stack+0x30/0x40 [ 96.173081][ T5012] dump_stack_lvl+0xf8/0x160 [ 96.174351][ T5012] dump_stack+0x1c/0x5c [ 96.175536][ T5012] should_fail+0x3c0/0x51c [ 96.176736][ T5012] should_fail_alloc_page+0x74/0xa8 [ 96.178274][ T5012] prepare_alloc_pages+0x160/0x460 [ 96.179687][ T5012] __alloc_pages+0x108/0x470 [ 96.180936][ T5012] alloc_pages+0x34c/0x5c0 [ 96.182340][ T5012] new_slab+0xe0/0x55c [ 96.183443][ T5012] ___slab_alloc+0x6c0/0xda8 [ 96.184820][ T5012] __slab_alloc+0x68/0xc0 [ 96.186086][ T5012] kmem_cache_alloc+0x2ac/0x3e4 [ 96.187438][ T5012] btrfs_alloc_path+0x5c/0x68 [ 96.188819][ T5012] btrfs_setxattr+0xd4/0x8cc [ 96.190076][ T5012] btrfs_setxattr_trans+0xfc/0x360 [ 96.191479][ T5012] btrfs_xattr_handler_set+0xb0/0xd8 [ 96.192974][ T5012] __vfs_setxattr+0x388/0x3a4 [ 96.194261][ T5012] __vfs_setxattr_noperm+0x120/0x564 [ 96.195744][ T5012] __vfs_setxattr_locked+0x1ec/0x218 [ 96.197215][ T5012] vfs_setxattr+0x158/0x2ac [ 96.198530][ T5012] setxattr+0x248/0x2ac [ 96.199663][ T5012] path_setxattr+0x12c/0x25c [ 96.200912][ T5012] __arm64_sys_setxattr+0xbc/0xd8 [ 96.202304][ T5012] invoke_syscall+0x98/0x2b8 [ 96.203801][ T5012] el0_svc_common+0x138/0x258 [ 96.205340][ T5012] do_el0_svc+0x58/0x14c [ 96.206644][ T5012] el0_svc+0x78/0x1e0 [ 96.207707][ T5012] el0t_64_sync_handler+0xcc/0xe4 [ 96.209148][ T5012] el0t_64_sync+0x1a0/0x1a4 [ 96.584656][ T5034] loop0: detected capacity change from 0 to 32768 [ 96.706766][ T5034] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.20 (5034) [ 96.719154][ T5034] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 96.721602][ T5034] BTRFS info (device loop0): metadata ratio 4 [ 96.723230][ T5034] BTRFS info (device loop0): setting incompat feature flag for COMPRESS_LZO (0x8) [ 96.725624][ T5034] BTRFS info (device loop0): force lzo compression, level 0 [ 96.735562][ T5034] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 96.744616][ T5034] BTRFS info (device loop0): trying to use backup root at mount time [ 96.753947][ T5034] BTRFS info (device loop0): enabling auto defrag [ 96.756208][ T5034] BTRFS info (device loop0): setting nodatacow [ 96.757830][ T5034] BTRFS info (device loop0): disabling tree log [ 96.759487][ T5034] BTRFS info (device loop0): using free space tree [ 96.761213][ T5034] BTRFS info (device loop0): has skinny extents [ 96.928691][ T5034] BTRFS warning (device loop0): couldn't read tree root [ 96.931005][ T5034] BTRFS warning (device loop0): couldn't read tree root [ 96.933238][ T5034] BTRFS error (device loop0): parent transid verify failed on 5255168 wanted 5 found 7 [ 96.947126][ T5034] BTRFS warning (device loop0): couldn't read tree root [ 96.967091][ T5034] BTRFS info (device loop0): enabling ssd optimizations [ 96.969575][ T5034] BTRFS info (device loop0): clearing free space tree [ 96.971444][ T5034] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 96.974024][ T5034] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 96.988097][ T5034] BTRFS info (device loop0): creating free space tree [ 96.994857][ T5034] FAULT_INJECTION: forcing a failure. [ 96.994857][ T5034] name failslab, interval 1, probability 0, space 0, times 0 [ 97.007197][ T5034] CPU: 0 PID: 5034 Comm: syz.0.20 Tainted: G W 5.15.188-syzkaller #0 [ 97.009756][ T5034] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 97.012488][ T5034] Call trace: [ 97.013376][ T5034] dump_backtrace+0x0/0x43c [ 97.014571][ T5034] show_stack+0x2c/0x3c [ 97.015790][ T5034] __dump_stack+0x30/0x40 [ 97.016980][ T5034] dump_stack_lvl+0xf8/0x160 [ 97.018263][ T5034] dump_stack+0x1c/0x5c [ 97.019408][ T5034] should_fail+0x3c0/0x51c [ 97.020677][ T5034] __should_failslab+0xbc/0x10c [ 97.021979][ T5034] should_failslab+0x10/0x28 [ 97.023243][ T5034] slab_pre_alloc_hook+0x64/0xec [ 97.024548][ T5034] kmem_cache_alloc+0x94/0x3e4 [ 97.025830][ T5034] btrfs_alloc_tree_block+0xa30/0x112c [ 97.027335][ T5034] insert_new_root+0x238/0x890 [ 97.028656][ T5034] split_leaf+0xa38/0x1074 [ 97.029864][ T5034] btrfs_search_slot+0x1c24/0x1f4c [ 97.031285][ T5034] btrfs_insert_empty_items+0x1e0/0x2a8 [ 97.032854][ T5034] insert_with_overflow+0xb4/0x238 [ 97.034235][ T5034] btrfs_insert_xattr_item+0x160/0x2dc [ 97.035828][ T5034] btrfs_setxattr+0x3d8/0x8cc [ 97.037110][ T5034] btrfs_setxattr_trans+0xfc/0x360 [ 97.038547][ T5034] btrfs_xattr_handler_set+0xb0/0xd8 [ 97.040006][ T5034] __vfs_setxattr+0x388/0x3a4 [ 97.041261][ T5034] __vfs_setxattr_noperm+0x120/0x564 [ 97.042757][ T5034] __vfs_setxattr_locked+0x1ec/0x218 [ 97.044210][ T5034] vfs_setxattr+0x158/0x2ac [ 97.045458][ T5034] setxattr+0x248/0x2ac [ 97.046585][ T5034] path_setxattr+0x12c/0x25c [ 97.047849][ T5034] __arm64_sys_setxattr+0xbc/0xd8 [ 97.049284][ T5034] invoke_syscall+0x98/0x2b8 [ 97.050582][ T5034] el0_svc_common+0x138/0x258 [ 97.051917][ T5034] do_el0_svc+0x58/0x14c [ 97.053052][ T5034] el0_svc+0x78/0x1e0 [ 97.054133][ T5034] el0t_64_sync_handler+0xcc/0xe4 [ 97.055508][ T5034] el0t_64_sync+0x1a0/0x1a4 [ 97.121815][ T4646] ------------[ cut here ]------------ [ 97.123443][ T4646] WARNING: CPU: 0 PID: 4646 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 97.126497][ T4646] Modules linked in: [ 97.127546][ T4646] CPU: 0 PID: 4646 Comm: syz-executor Tainted: G W 5.15.188-syzkaller #0 [ 97.130152][ T4646] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 97.132806][ T4646] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 97.134880][ T4646] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 97.136741][ T4646] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c [ 97.138650][ T4646] sp : ffff80001f997740 [ 97.139820][ T4646] x29: ffff80001f997750 x28: dfff800000000000 x27: 1fffe0001a1ba70c [ 97.142065][ T4646] x26: dfff800000000000 x25: ffff80001417d310 x24: 0000000000000001 [ 97.144259][ T4646] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 97.146394][ T4646] x20: ffff0000d0dd3860 x19: 0000000000000000 x18: 0000000000000000 [ 97.148548][ T4646] x17: 0000000000000000 x16: ffff8000111d162c x15: 0000000000000003 [ 97.150663][ T4646] x14: 00000000111cd44c x13: 1ffff0000283006b x12: 0000000000ff0100 [ 97.152866][ T4646] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a038dec [ 97.155072][ T4646] x8 : ffff0000c2f151c0 x7 : ffff80000a0380d0 x6 : 0000000000000000 [ 97.157174][ T4646] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d608c [ 97.159266][ T4646] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 97.161397][ T4646] Call trace: [ 97.162268][ T4646] btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 97.164018][ T4646] btrfs_block_rsv_release+0x408/0x4e4 [ 97.165542][ T4646] btrfs_release_global_block_rsv+0x38/0x22c [ 97.167241][ T4646] btrfs_free_block_groups+0x7b4/0xb44 [ 97.168704][ T4646] close_ctree+0x608/0x84c [ 97.169877][ T4646] btrfs_put_super+0x40/0x50 [ 97.171132][ T4646] generic_shutdown_super+0x130/0x2f0 [ 97.172613][ T4646] kill_anon_super+0x4c/0x80 [ 97.173933][ T4646] btrfs_kill_super+0x40/0x58 [ 97.175249][ T4646] deactivate_locked_super+0xb8/0x13c [ 97.176725][ T4646] deactivate_super+0xf8/0x118 [ 97.178023][ T4646] cleanup_mnt+0x3a4/0x458 [ 97.179256][ T4646] __cleanup_mnt+0x20/0x30 [ 97.180535][ T4646] task_work_run+0x12c/0x1e0 [ 97.181745][ T4646] do_notify_resume+0x24b4/0x3128 [ 97.183101][ T4646] el0_svc+0xf0/0x1e0 [ 97.184255][ T4646] el0t_64_sync_handler+0xcc/0xe4 [ 97.185653][ T4646] el0t_64_sync+0x1a0/0x1a4 [ 97.186879][ T4646] irq event stamp: 175614 [ 97.188084][ T4646] hardirqs last enabled at (175613): [] kasan_quarantine_put+0xc4/0x204 [ 97.190812][ T4646] hardirqs last disabled at (175614): [] el1_dbg+0x24/0x80 [ 97.193262][ T4646] softirqs last enabled at (175012): [] handle_softirqs+0xa4c/0xbf0 [ 97.195854][ T4646] softirqs last disabled at (174995): [] __irq_exit_rcu+0x240/0x440 [ 97.198386][ T4646] ---[ end trace f2a627920660e6a0 ]--- [ 97.499623][ T5058] loop0: detected capacity change from 0 to 32768 [ 97.537652][ T5058] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.21 (5058) [ 97.543707][ T5058] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 97.559953][ T5058] BTRFS warning (device loop0): couldn't read tree root [ 97.562463][ T5058] BTRFS warning (device loop0): couldn't read tree root [ 97.564629][ T5058] BTRFS error (device loop0): parent transid verify failed on 5255168 wanted 5 found 7 [ 97.567770][ T5058] BTRFS warning (device loop0): couldn't read tree root [ 97.582881][ T5058] FAULT_INJECTION: forcing a failure. [ 97.582881][ T5058] name failslab, interval 1, probability 0, space 0, times 0 [ 97.586738][ T5058] CPU: 1 PID: 5058 Comm: syz.0.21 Tainted: G W 5.15.188-syzkaller #0 [ 97.589223][ T5058] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 97.592011][ T5058] Call trace: [ 97.592952][ T5058] dump_backtrace+0x0/0x43c [ 97.594180][ T5058] show_stack+0x2c/0x3c [ 97.595301][ T5058] __dump_stack+0x30/0x40 [ 97.596479][ T5058] dump_stack_lvl+0xf8/0x160 [ 97.597717][ T5058] dump_stack+0x1c/0x5c [ 97.598864][ T5058] should_fail+0x3c0/0x51c [ 97.600096][ T5058] __should_failslab+0xbc/0x10c [ 97.601435][ T5058] should_failslab+0x10/0x28 [ 97.602693][ T5058] slab_pre_alloc_hook+0x64/0xec [ 97.604070][ T5058] kmem_cache_alloc+0x94/0x3e4 [ 97.605349][ T5058] btrfs_alloc_tree_block+0xa30/0x112c [ 97.606816][ T5058] insert_new_root+0x238/0x890 [ 97.608138][ T5058] split_leaf+0xa38/0x1074 [ 97.609303][ T5058] btrfs_search_slot+0x1c24/0x1f4c [ 97.610747][ T5058] btrfs_insert_empty_items+0x1e0/0x2a8 [ 97.612358][ T5058] insert_with_overflow+0xb4/0x238 [ 97.613722][ T5058] btrfs_insert_xattr_item+0x160/0x2dc [ 97.615211][ T5058] btrfs_setxattr+0x3d8/0x8cc [ 97.616501][ T5058] btrfs_setxattr_trans+0xfc/0x360 [ 97.617879][ T5058] btrfs_xattr_handler_set+0xb0/0xd8 [ 97.619337][ T5058] __vfs_setxattr+0x388/0x3a4 [ 97.620691][ T5058] __vfs_setxattr_noperm+0x120/0x564 [ 97.622147][ T5058] __vfs_setxattr_locked+0x1ec/0x218 [ 97.623589][ T5058] vfs_setxattr+0x158/0x2ac [ 97.624779][ T5058] setxattr+0x248/0x2ac [ 97.625954][ T5058] path_setxattr+0x12c/0x25c [ 97.627190][ T5058] __arm64_sys_setxattr+0xbc/0xd8 [ 97.628577][ T5058] invoke_syscall+0x98/0x2b8 [ 97.629804][ T5058] el0_svc_common+0x138/0x258 [ 97.631047][ T5058] do_el0_svc+0x58/0x14c [ 97.632179][ T5058] el0_svc+0x78/0x1e0 [ 97.633221][ T5058] el0t_64_sync_handler+0xcc/0xe4 [ 97.634576][ T5058] el0t_64_sync+0x1a0/0x1a4 [ 97.694580][ T4646] ------------[ cut here ]------------ [ 97.696132][ T4646] WARNING: CPU: 0 PID: 4646 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 97.699248][ T4646] Modules linked in: [ 97.700308][ T4646] CPU: 0 PID: 4646 Comm: syz-executor Tainted: G W 5.15.188-syzkaller #0 [ 97.702985][ T4646] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 97.705762][ T4646] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 97.708080][ T4646] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 97.710022][ T4646] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c [ 97.711919][ T4646] sp : ffff80001f997740 [ 97.713120][ T4646] x29: ffff80001f997750 x28: dfff800000000000 x27: 1fffe0001930960c [ 97.715335][ T4646] x26: dfff800000000000 x25: ffff80001417d310 x24: 0000000000000001 [ 97.717542][ T4646] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 97.719718][ T4646] x20: ffff0000c984b060 x19: 0000000000000000 x18: 0000000000000000 [ 97.721964][ T4646] x17: 0000000000000000 x16: ffff8000111d162c x15: 0000000000000003 [ 97.724166][ T4646] x14: 00000000111cd44c x13: 1ffff0000283006b x12: 0000000000ff0100 [ 97.726341][ T4646] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a038dec [ 97.728531][ T4646] x8 : ffff0000c2f151c0 x7 : ffff80000a0380d0 x6 : 0000000000000000 [ 97.730763][ T4646] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d608c [ 97.732996][ T4646] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 97.735171][ T4646] Call trace: [ 97.736036][ T4646] btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 97.737927][ T4646] btrfs_block_rsv_release+0x408/0x4e4 [ 97.739455][ T4646] btrfs_release_global_block_rsv+0x38/0x22c [ 97.741122][ T4646] btrfs_free_block_groups+0x7b4/0xb44 [ 97.742608][ T4646] close_ctree+0x608/0x84c [ 97.743783][ T4646] btrfs_put_super+0x40/0x50 [ 97.745057][ T4646] generic_shutdown_super+0x130/0x2f0 [ 97.746617][ T4646] kill_anon_super+0x4c/0x80 [ 97.747875][ T4646] btrfs_kill_super+0x40/0x58 [ 97.749161][ T4646] deactivate_locked_super+0xb8/0x13c [ 97.750620][ T4646] deactivate_super+0xf8/0x118 [ 97.751870][ T4646] cleanup_mnt+0x3a4/0x458 [ 97.753103][ T4646] __cleanup_mnt+0x20/0x30 [ 97.754434][ T4646] task_work_run+0x12c/0x1e0 [ 97.755712][ T4646] do_notify_resume+0x24b4/0x3128 [ 97.757086][ T4646] el0_svc+0xf0/0x1e0 [ 97.758174][ T4646] el0t_64_sync_handler+0xcc/0xe4 [ 97.759561][ T4646] el0t_64_sync+0x1a0/0x1a4 [ 97.760855][ T4646] irq event stamp: 191016 [ 97.761985][ T4646] hardirqs last enabled at (191015): [] kasan_quarantine_put+0xc4/0x204 [ 97.764695][ T4646] hardirqs last disabled at (191016): [] el1_dbg+0x24/0x80 [ 97.767186][ T4646] softirqs last enabled at (189368): [] handle_softirqs+0xa4c/0xbf0 [ 97.769770][ T4646] softirqs last disabled at (189359): [] __irq_exit_rcu+0x240/0x440 [ 97.772426][ T4646] ---[ end trace f2a627920660e6a1 ]--- [ 98.078870][ T5081] loop0: detected capacity change from 0 to 32768 [ 98.125414][ T5081] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.22 (5081) [ 98.132189][ T5081] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 98.144415][ T5081] BTRFS warning (device loop0): couldn't read tree root [ 98.146847][ T5081] BTRFS warning (device loop0): couldn't read tree root [ 98.149053][ T5081] BTRFS error (device loop0): parent transid verify failed on 5255168 wanted 5 found 7 [ 98.151805][ T5081] BTRFS warning (device loop0): couldn't read tree root [ 98.177586][ T5081] FAULT_INJECTION: forcing a failure. [ 98.177586][ T5081] name failslab, interval 1, probability 0, space 0, times 0 [ 98.181200][ T5081] CPU: 0 PID: 5081 Comm: syz.0.22 Tainted: G W 5.15.188-syzkaller #0 [ 98.183986][ T5081] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 98.186576][ T5081] Call trace: [ 98.187434][ T5081] dump_backtrace+0x0/0x43c [ 98.188667][ T5081] show_stack+0x2c/0x3c [ 98.189831][ T5081] __dump_stack+0x30/0x40 [ 98.191031][ T5081] dump_stack_lvl+0xf8/0x160 [ 98.192354][ T5081] dump_stack+0x1c/0x5c [ 98.193481][ T5081] should_fail+0x3c0/0x51c [ 98.194853][ T5081] __should_failslab+0xbc/0x10c [ 98.196222][ T5081] should_failslab+0x10/0x28 [ 98.197520][ T5081] slab_pre_alloc_hook+0x64/0xec [ 98.198854][ T5081] kmem_cache_alloc+0x94/0x3e4 [ 98.200269][ T5081] btrfs_alloc_tree_block+0xa30/0x112c [ 98.201727][ T5081] insert_new_root+0x238/0x890 [ 98.203016][ T5081] split_leaf+0xa38/0x1074 [ 98.204217][ T5081] btrfs_search_slot+0x1c24/0x1f4c [ 98.205640][ T5081] btrfs_insert_empty_items+0x1e0/0x2a8 [ 98.207315][ T5081] insert_with_overflow+0xb4/0x238 [ 98.208736][ T5081] btrfs_insert_xattr_item+0x160/0x2dc [ 98.210261][ T5081] btrfs_setxattr+0x3d8/0x8cc [ 98.211620][ T5081] btrfs_setxattr_trans+0xfc/0x360 [ 98.213047][ T5081] btrfs_xattr_handler_set+0xb0/0xd8 [ 98.214471][ T5081] __vfs_setxattr+0x388/0x3a4 [ 98.215761][ T5081] __vfs_setxattr_noperm+0x120/0x564 [ 98.217213][ T5081] __vfs_setxattr_locked+0x1ec/0x218 [ 98.218661][ T5081] vfs_setxattr+0x158/0x2ac [ 98.219860][ T5081] setxattr+0x248/0x2ac [ 98.220989][ T5081] path_setxattr+0x12c/0x25c [ 98.222266][ T5081] __arm64_sys_setxattr+0xbc/0xd8 [ 98.223673][ T5081] invoke_syscall+0x98/0x2b8 [ 98.225039][ T5081] el0_svc_common+0x138/0x258 [ 98.226359][ T5081] do_el0_svc+0x58/0x14c [ 98.227536][ T5081] el0_svc+0x78/0x1e0 [ 98.228640][ T5081] el0t_64_sync_handler+0xcc/0xe4 [ 98.230095][ T5081] el0t_64_sync+0x1a0/0x1a4 1970/01/01 00:01:38 executed programs: 10 [ 98.308352][ T4646] ------------[ cut here ]------------ [ 98.309870][ T4646] WARNING: CPU: 1 PID: 4646 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 98.312853][ T4646] Modules linked in: [ 98.313956][ T4646] CPU: 1 PID: 4646 Comm: syz-executor Tainted: G W 5.15.188-syzkaller #0 [ 98.316638][ T4646] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 98.319364][ T4646] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 98.321444][ T4646] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 98.323343][ T4646] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c [ 98.325250][ T4646] sp : ffff80001f997740 [ 98.326414][ T4646] x29: ffff80001f997750 x28: dfff800000000000 x27: 1fffe00019fe9b0c [ 98.328561][ T4646] x26: dfff800000000000 x25: ffff80001417d310 x24: 0000000000000002 [ 98.330823][ T4646] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 98.333074][ T4646] x20: ffff0000cff4d860 x19: 0000000000000000 x18: 0000000000000000 [ 98.335250][ T4646] x17: 0000000000000000 x16: ffff8000111d162c x15: 0000000000000003 [ 98.337412][ T4646] x14: 00000000111cd44c x13: 1ffff0000283006b x12: 0000000000ff0100 [ 98.339600][ T4646] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a038dec [ 98.341888][ T4646] x8 : ffff0000c2f151c0 x7 : ffff80000a0380d0 x6 : 0000000000000000 [ 98.344105][ T4646] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d608c [ 98.346271][ T4646] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 98.348484][ T4646] Call trace: [ 98.349487][ T4646] btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 98.351305][ T4646] btrfs_block_rsv_release+0x408/0x4e4 [ 98.352825][ T4646] btrfs_release_global_block_rsv+0x38/0x22c [ 98.354546][ T4646] btrfs_free_block_groups+0x7b4/0xb44 [ 98.356078][ T4646] close_ctree+0x608/0x84c [ 98.357320][ T4646] btrfs_put_super+0x40/0x50 [ 98.358558][ T4646] generic_shutdown_super+0x130/0x2f0 [ 98.360052][ T4646] kill_anon_super+0x4c/0x80 [ 98.361409][ T4646] btrfs_kill_super+0x40/0x58 [ 98.362680][ T4646] deactivate_locked_super+0xb8/0x13c [ 98.364172][ T4646] deactivate_super+0xf8/0x118 [ 98.365436][ T4646] cleanup_mnt+0x3a4/0x458 [ 98.366643][ T4646] __cleanup_mnt+0x20/0x30 [ 98.367855][ T4646] task_work_run+0x12c/0x1e0 [ 98.369124][ T4646] do_notify_resume+0x24b4/0x3128 [ 98.370537][ T4646] el0_svc+0xf0/0x1e0 [ 98.371638][ T4646] el0t_64_sync_handler+0xcc/0xe4 [ 98.373051][ T4646] el0t_64_sync+0x1a0/0x1a4 [ 98.374280][ T4646] irq event stamp: 207338 [ 98.375484][ T4646] hardirqs last enabled at (207337): [] kasan_quarantine_put+0xc4/0x204 [ 98.378193][ T4646] hardirqs last disabled at (207338): [] el1_dbg+0x24/0x80 [ 98.380571][ T4646] softirqs last enabled at (207178): [] handle_softirqs+0xa4c/0xbf0 [ 98.383255][ T4646] softirqs last disabled at (207131): [] __irq_exit_rcu+0x240/0x440 [ 98.385867][ T4646] ---[ end trace f2a627920660e6a2 ]--- [ 98.682878][ T5103] loop0: detected capacity change from 0 to 32768 [ 98.722395][ T5103] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.23 (5103) [ 98.729451][ T5103] btrfs_printk: 36 callbacks suppressed [ 98.729463][ T5103] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 98.733835][ T5103] BTRFS info (device loop0): metadata ratio 4 [ 98.735528][ T5103] BTRFS info (device loop0): setting incompat feature flag for COMPRESS_LZO (0x8) [ 98.738783][ T5103] BTRFS info (device loop0): force lzo compression, level 0 [ 98.740745][ T5103] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 98.743554][ T5103] BTRFS info (device loop0): trying to use backup root at mount time [ 98.746604][ T5103] BTRFS info (device loop0): enabling auto defrag [ 98.748342][ T5103] BTRFS info (device loop0): setting nodatacow [ 98.750042][ T5103] BTRFS info (device loop0): disabling tree log [ 98.751625][ T5103] BTRFS info (device loop0): using free space tree [ 98.753378][ T5103] BTRFS info (device loop0): has skinny extents [ 98.765450][ T9] validate_extent_buffer: 6 callbacks suppressed [ 98.765466][ T9] BTRFS warning (device loop0): checksum verify failed on 5332992 wanted 0x0a5e5d25 found 0x26333c6f level 0 [ 98.771342][ T5103] BTRFS warning (device loop0): couldn't read tree root [ 98.773533][ T148] BTRFS warning (device loop0): checksum verify failed on 5324800 wanted 0x9f73850b found 0x78ca8373 level 0 [ 98.776994][ T5103] BTRFS warning (device loop0): couldn't read tree root [ 98.779247][ T5103] BTRFS error (device loop0): parent transid verify failed on 5255168 wanted 5 found 7 [ 98.782076][ T5103] BTRFS warning (device loop0): couldn't read tree root [ 98.788434][ T5103] BTRFS info (device loop0): enabling ssd optimizations [ 98.790848][ T5103] BTRFS info (device loop0): clearing free space tree [ 98.792877][ T5103] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 98.795475][ T5103] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 98.801852][ T5103] BTRFS info (device loop0): creating free space tree [ 98.804368][ T5103] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 98.807602][ T5103] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 98.814681][ T5103] FAULT_INJECTION: forcing a failure. [ 98.814681][ T5103] name failslab, interval 1, probability 0, space 0, times 0 [ 98.818741][ T5103] CPU: 0 PID: 5103 Comm: syz.0.23 Tainted: G W 5.15.188-syzkaller #0 [ 98.821268][ T5103] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 98.823944][ T5103] Call trace: [ 98.824839][ T5103] dump_backtrace+0x0/0x43c [ 98.826103][ T5103] show_stack+0x2c/0x3c [ 98.827242][ T5103] __dump_stack+0x30/0x40 [ 98.828429][ T5103] dump_stack_lvl+0xf8/0x160 [ 98.829678][ T5103] dump_stack+0x1c/0x5c [ 98.830789][ T5103] should_fail+0x3c0/0x51c [ 98.831957][ T5103] __should_failslab+0xbc/0x10c [ 98.833237][ T5103] should_failslab+0x10/0x28 [ 98.834453][ T5103] slab_pre_alloc_hook+0x64/0xec [ 98.835746][ T5103] kmem_cache_alloc+0x94/0x3e4 [ 98.837036][ T5103] alloc_extent_state+0x38/0x430 [ 98.838401][ T5103] set_extent_bit+0x1b4/0x13f4 [ 98.839738][ T5103] btrfs_alloc_tree_block+0x98c/0x112c [ 98.841274][ T5103] insert_new_root+0x238/0x890 [ 98.842588][ T5103] split_leaf+0xa38/0x1074 [ 98.843797][ T5103] btrfs_search_slot+0x1c24/0x1f4c [ 98.845257][ T5103] btrfs_insert_empty_items+0x1e0/0x2a8 [ 98.846728][ T5103] insert_with_overflow+0xb4/0x238 [ 98.848154][ T5103] btrfs_insert_xattr_item+0x160/0x2dc [ 98.849666][ T5103] btrfs_setxattr+0x3d8/0x8cc [ 98.851025][ T5103] btrfs_setxattr_trans+0xfc/0x360 [ 98.852420][ T5103] btrfs_xattr_handler_set+0xb0/0xd8 [ 98.853949][ T5103] __vfs_setxattr+0x388/0x3a4 [ 98.855231][ T5103] __vfs_setxattr_noperm+0x120/0x564 [ 98.856682][ T5103] __vfs_setxattr_locked+0x1ec/0x218 [ 98.858128][ T5103] vfs_setxattr+0x158/0x2ac [ 98.859472][ T5103] setxattr+0x248/0x2ac [ 98.860609][ T5103] path_setxattr+0x12c/0x25c [ 98.861902][ T5103] __arm64_sys_setxattr+0xbc/0xd8 [ 98.863323][ T5103] invoke_syscall+0x98/0x2b8 [ 98.864604][ T5103] el0_svc_common+0x138/0x258 [ 98.865850][ T5103] do_el0_svc+0x58/0x14c [ 98.867069][ T5103] el0_svc+0x78/0x1e0 [ 98.868149][ T5103] el0t_64_sync_handler+0xcc/0xe4 [ 98.869507][ T5103] el0t_64_sync+0x1a0/0x1a4 [ 99.155601][ T5125] loop0: detected capacity change from 0 to 32768 [ 99.211365][ T5125] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.24 (5125) [ 99.218386][ T5125] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 99.220858][ T5125] BTRFS info (device loop0): metadata ratio 4 [ 99.222432][ T5125] BTRFS info (device loop0): setting incompat feature flag for COMPRESS_LZO (0x8) [ 99.224805][ T5125] BTRFS info (device loop0): force lzo compression, level 0 [ 99.227654][ T5125] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 99.230519][ T5125] BTRFS info (device loop0): trying to use backup root at mount time [ 99.232823][ T5125] BTRFS info (device loop0): enabling auto defrag [ 99.234504][ T5125] BTRFS info (device loop0): setting nodatacow [ 99.236231][ T5125] BTRFS info (device loop0): disabling tree log [ 99.237839][ T5125] BTRFS info (device loop0): using free space tree [ 99.239511][ T5125] BTRFS info (device loop0): has skinny extents [ 99.249326][ T148] BTRFS warning (device loop0): checksum verify failed on 5332992 wanted 0x0a5e5d25 found 0x26333c6f level 0 [ 99.252570][ T5125] BTRFS warning (device loop0): couldn't read tree root [ 99.254786][ T148] BTRFS warning (device loop0): checksum verify failed on 5324800 wanted 0x9f73850b found 0x78ca8373 level 0 [ 99.260507][ T5125] BTRFS warning (device loop0): couldn't read tree root [ 99.262777][ T5125] BTRFS error (device loop0): parent transid verify failed on 5255168 wanted 5 found 7 [ 99.265480][ T5125] BTRFS warning (device loop0): couldn't read tree root [ 99.276184][ T5125] BTRFS info (device loop0): enabling ssd optimizations [ 99.278551][ T5125] BTRFS info (device loop0): clearing free space tree [ 99.280484][ T5125] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 99.283108][ T5125] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 99.290262][ T5125] BTRFS info (device loop0): creating free space tree [ 99.292660][ T5125] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 99.295219][ T5125] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 99.303748][ T5125] FAULT_INJECTION: forcing a failure. [ 99.303748][ T5125] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 99.308742][ T5125] CPU: 1 PID: 5125 Comm: syz.0.24 Tainted: G W 5.15.188-syzkaller #0 [ 99.311258][ T5125] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 99.314064][ T5125] Call trace: [ 99.314870][ T5125] dump_backtrace+0x0/0x43c [ 99.316121][ T5125] show_stack+0x2c/0x3c [ 99.317233][ T5125] __dump_stack+0x30/0x40 [ 99.318401][ T5125] dump_stack_lvl+0xf8/0x160 [ 99.319637][ T5125] dump_stack+0x1c/0x5c [ 99.320771][ T5125] should_fail+0x3c0/0x51c [ 99.321937][ T5125] should_fail_alloc_page+0x74/0xa8 [ 99.323351][ T5125] prepare_alloc_pages+0x160/0x460 [ 99.324724][ T5125] __alloc_pages+0x108/0x470 [ 99.325952][ T5125] alloc_pages+0x34c/0x5c0 [ 99.327183][ T5125] new_slab+0xe0/0x55c [ 99.328279][ T5125] ___slab_alloc+0x6c0/0xda8 [ 99.329582][ T5125] __slab_alloc+0x68/0xc0 [ 99.330810][ T5125] kmem_cache_alloc+0x2ac/0x3e4 [ 99.332193][ T5125] alloc_extent_state+0x38/0x430 [ 99.333539][ T5125] set_extent_bit+0x1b4/0x13f4 [ 99.334936][ T5125] btrfs_alloc_tree_block+0x98c/0x112c [ 99.336435][ T5125] insert_new_root+0x238/0x890 [ 99.337690][ T5125] split_leaf+0xa38/0x1074 [ 99.338934][ T5125] btrfs_search_slot+0x1c24/0x1f4c [ 99.340334][ T5125] btrfs_insert_empty_items+0x1e0/0x2a8 [ 99.341803][ T5125] insert_with_overflow+0xb4/0x238 [ 99.343234][ T5125] btrfs_insert_xattr_item+0x160/0x2dc [ 99.344733][ T5125] btrfs_setxattr+0x3d8/0x8cc [ 99.346096][ T5125] btrfs_setxattr_trans+0xfc/0x360 [ 99.347539][ T5125] btrfs_xattr_handler_set+0xb0/0xd8 [ 99.348999][ T5125] __vfs_setxattr+0x388/0x3a4 [ 99.350311][ T5125] __vfs_setxattr_noperm+0x120/0x564 [ 99.351686][ T5125] __vfs_setxattr_locked+0x1ec/0x218 [ 99.353099][ T5125] vfs_setxattr+0x158/0x2ac [ 99.354273][ T5125] setxattr+0x248/0x2ac [ 99.355354][ T5125] path_setxattr+0x12c/0x25c [ 99.356600][ T5125] __arm64_sys_setxattr+0xbc/0xd8 [ 99.357946][ T5125] invoke_syscall+0x98/0x2b8 [ 99.359186][ T5125] el0_svc_common+0x138/0x258 [ 99.360468][ T5125] do_el0_svc+0x58/0x14c [ 99.361595][ T5125] el0_svc+0x78/0x1e0 [ 99.362686][ T5125] el0t_64_sync_handler+0xcc/0xe4 [ 99.364066][ T5125] el0t_64_sync+0x1a0/0x1a4 [ 99.662118][ T5149] loop0: detected capacity change from 0 to 32768 [ 99.694427][ T5149] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.25 (5149) [ 99.702042][ T5149] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 99.704665][ T5149] BTRFS info (device loop0): metadata ratio 4 [ 99.706829][ T5149] BTRFS info (device loop0): setting incompat feature flag for COMPRESS_LZO (0x8) [ 99.709289][ T5149] BTRFS info (device loop0): force lzo compression, level 0 [ 99.711283][ T5149] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 99.714111][ T5149] BTRFS info (device loop0): trying to use backup root at mount time [ 99.716866][ T5149] BTRFS info (device loop0): enabling auto defrag [ 99.718590][ T5149] BTRFS info (device loop0): setting nodatacow [ 99.720268][ T5149] BTRFS info (device loop0): disabling tree log [ 99.721912][ T5149] BTRFS info (device loop0): using free space tree [ 99.723607][ T5149] BTRFS info (device loop0): has skinny extents [ 99.737863][ T148] BTRFS warning (device loop0): checksum verify failed on 5332992 wanted 0x0a5e5d25 found 0x26333c6f level 0 [ 99.741272][ T5149] BTRFS warning (device loop0): couldn't read tree root [ 99.743520][ T148] BTRFS warning (device loop0): checksum verify failed on 5324800 wanted 0x9f73850b found 0x78ca8373 level 0 [ 99.749362][ T5149] BTRFS warning (device loop0): couldn't read tree root [ 99.751672][ T5149] BTRFS error (device loop0): parent transid verify failed on 5255168 wanted 5 found 7 [ 99.754394][ T5149] BTRFS warning (device loop0): couldn't read tree root [ 99.761415][ T5149] BTRFS info (device loop0): enabling ssd optimizations [ 99.763726][ T5149] BTRFS info (device loop0): clearing free space tree [ 99.765560][ T5149] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 99.769925][ T5149] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 99.777034][ T5149] BTRFS info (device loop0): creating free space tree [ 99.779443][ T5149] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 99.782165][ T5149] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 99.789625][ T5149] FAULT_INJECTION: forcing a failure. [ 99.789625][ T5149] name failslab, interval 1, probability 0, space 0, times 0 [ 99.793247][ T5149] CPU: 0 PID: 5149 Comm: syz.0.25 Tainted: G W 5.15.188-syzkaller #0 [ 99.795710][ T5149] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 99.798455][ T5149] Call trace: [ 99.799441][ T5149] dump_backtrace+0x0/0x43c [ 99.800656][ T5149] show_stack+0x2c/0x3c [ 99.801758][ T5149] __dump_stack+0x30/0x40 [ 99.803046][ T5149] dump_stack_lvl+0xf8/0x160 [ 99.804292][ T5149] dump_stack+0x1c/0x5c [ 99.805416][ T5149] should_fail+0x3c0/0x51c [ 99.806690][ T5149] __should_failslab+0xbc/0x10c [ 99.808042][ T5149] should_failslab+0x10/0x28 [ 99.809353][ T5149] slab_pre_alloc_hook+0x64/0xec [ 99.810664][ T5149] kmem_cache_alloc+0x94/0x3e4 [ 99.812024][ T5149] alloc_extent_state+0x38/0x430 [ 99.813416][ T5149] set_extent_bit+0x1b4/0x13f4 [ 99.814716][ T5149] btrfs_alloc_tree_block+0x98c/0x112c [ 99.816317][ T5149] insert_new_root+0x238/0x890 [ 99.817673][ T5149] split_leaf+0xa38/0x1074 [ 99.818890][ T5149] btrfs_search_slot+0x1c24/0x1f4c [ 99.820263][ T5149] btrfs_insert_empty_items+0x1e0/0x2a8 [ 99.821829][ T5149] insert_with_overflow+0xb4/0x238 [ 99.823234][ T5149] btrfs_insert_xattr_item+0x160/0x2dc [ 99.824710][ T5149] btrfs_setxattr+0x3d8/0x8cc [ 99.826057][ T5149] btrfs_setxattr_trans+0xfc/0x360 [ 99.827494][ T5149] btrfs_xattr_handler_set+0xb0/0xd8 [ 99.829025][ T5149] __vfs_setxattr+0x388/0x3a4 [ 99.830392][ T5149] __vfs_setxattr_noperm+0x120/0x564 [ 99.831826][ T5149] __vfs_setxattr_locked+0x1ec/0x218 [ 99.833243][ T5149] vfs_setxattr+0x158/0x2ac [ 99.834444][ T5149] setxattr+0x248/0x2ac [ 99.835561][ T5149] path_setxattr+0x12c/0x25c [ 99.836769][ T5149] __arm64_sys_setxattr+0xbc/0xd8 [ 99.838109][ T5149] invoke_syscall+0x98/0x2b8 [ 99.839348][ T5149] el0_svc_common+0x138/0x258 [ 99.840629][ T5149] do_el0_svc+0x58/0x14c [ 99.841782][ T5149] el0_svc+0x78/0x1e0 [ 99.842982][ T5149] el0t_64_sync_handler+0xcc/0xe4 [ 99.844500][ T5149] el0t_64_sync+0x1a0/0x1a4 [ 100.144392][ T5171] loop0: detected capacity change from 0 to 32768 [ 100.199451][ T5171] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.26 (5171) [ 100.211778][ T5171] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 100.214227][ T5171] BTRFS info (device loop0): metadata ratio 4 [ 100.216273][ T5171] BTRFS info (device loop0): setting incompat feature flag for COMPRESS_LZO (0x8) [ 100.218794][ T5171] BTRFS info (device loop0): force lzo compression, level 0 [ 100.220902][ T5171] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 100.223742][ T5171] BTRFS info (device loop0): trying to use backup root at mount time [ 100.226501][ T5171] BTRFS info (device loop0): enabling auto defrag [ 100.228343][ T5171] BTRFS info (device loop0): setting nodatacow [ 100.230001][ T5171] BTRFS info (device loop0): disabling tree log [ 100.231739][ T5171] BTRFS info (device loop0): using free space tree [ 100.233511][ T5171] BTRFS info (device loop0): has skinny extents [ 100.251790][ T4191] BTRFS warning (device loop0): checksum verify failed on 5332992 wanted 0x0a5e5d25 found 0x26333c6f level 0 [ 100.255770][ T5171] BTRFS warning (device loop0): couldn't read tree root [ 100.262778][ T4191] BTRFS warning (device loop0): checksum verify failed on 5324800 wanted 0x9f73850b found 0x78ca8373 level 0 [ 100.267087][ T5171] BTRFS warning (device loop0): couldn't read tree root [ 100.269368][ T5171] BTRFS error (device loop0): parent transid verify failed on 5255168 wanted 5 found 7 [ 100.272106][ T5171] BTRFS warning (device loop0): couldn't read tree root [ 100.284860][ T5171] BTRFS info (device loop0): enabling ssd optimizations [ 100.287336][ T5171] BTRFS info (device loop0): clearing free space tree [ 100.289267][ T5171] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 100.291960][ T5171] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 100.299131][ T5171] BTRFS info (device loop0): creating free space tree [ 100.301595][ T5171] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 100.304236][ T5171] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 100.311920][ T5171] FAULT_INJECTION: forcing a failure. [ 100.311920][ T5171] name failslab, interval 1, probability 0, space 0, times 0 [ 100.315307][ T5171] CPU: 0 PID: 5171 Comm: syz.0.26 Tainted: G W 5.15.188-syzkaller #0 [ 100.317862][ T5171] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 100.320530][ T5171] Call trace: [ 100.321406][ T5171] dump_backtrace+0x0/0x43c [ 100.322642][ T5171] show_stack+0x2c/0x3c [ 100.323762][ T5171] __dump_stack+0x30/0x40 [ 100.324981][ T5171] dump_stack_lvl+0xf8/0x160 [ 100.326237][ T5171] dump_stack+0x1c/0x5c [ 100.327397][ T5171] should_fail+0x3c0/0x51c [ 100.328601][ T5171] __should_failslab+0xbc/0x10c [ 100.329928][ T5171] should_failslab+0x10/0x28 [ 100.331162][ T5171] slab_pre_alloc_hook+0x64/0xec [ 100.332539][ T5171] kmem_cache_alloc+0x94/0x3e4 [ 100.333841][ T5171] alloc_extent_state+0x38/0x430 [ 100.335248][ T5171] set_extent_bit+0x1b4/0x13f4 [ 100.336568][ T5171] btrfs_alloc_tree_block+0x98c/0x112c [ 100.338119][ T5171] insert_new_root+0x238/0x890 [ 100.339405][ T5171] split_leaf+0xa38/0x1074 [ 100.340566][ T5171] btrfs_search_slot+0x1c24/0x1f4c [ 100.341937][ T5171] btrfs_insert_empty_items+0x1e0/0x2a8 [ 100.343523][ T5171] insert_with_overflow+0xb4/0x238 [ 100.344925][ T5171] btrfs_insert_xattr_item+0x160/0x2dc [ 100.346441][ T5171] btrfs_setxattr+0x3d8/0x8cc [ 100.347736][ T5171] btrfs_setxattr_trans+0xfc/0x360 [ 100.349129][ T5171] btrfs_xattr_handler_set+0xb0/0xd8 [ 100.350506][ T5171] __vfs_setxattr+0x388/0x3a4 [ 100.351765][ T5171] __vfs_setxattr_noperm+0x120/0x564 [ 100.353246][ T5171] __vfs_setxattr_locked+0x1ec/0x218 [ 100.354628][ T5171] vfs_setxattr+0x158/0x2ac [ 100.355823][ T5171] setxattr+0x248/0x2ac [ 100.356966][ T5171] path_setxattr+0x12c/0x25c [ 100.358310][ T5171] __arm64_sys_setxattr+0xbc/0xd8 [ 100.359794][ T5171] invoke_syscall+0x98/0x2b8 [ 100.361051][ T5171] el0_svc_common+0x138/0x258 [ 100.362368][ T5171] do_el0_svc+0x58/0x14c [ 100.363569][ T5171] el0_svc+0x78/0x1e0 [ 100.364643][ T5171] el0t_64_sync_handler+0xcc/0xe4 [ 100.366044][ T5171] el0t_64_sync+0x1a0/0x1a4 [ 100.726054][ T5194] loop0: detected capacity change from 0 to 32768 [ 100.794262][ T5194] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.27 (5194) [ 100.800955][ T5194] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 100.803564][ T5194] BTRFS info (device loop0): metadata ratio 4 [ 100.805372][ T5194] BTRFS info (device loop0): setting incompat feature flag for COMPRESS_LZO (0x8) [ 100.807989][ T5194] BTRFS info (device loop0): force lzo compression, level 0 [ 100.810014][ T5194] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 100.812890][ T5194] BTRFS info (device loop0): trying to use backup root at mount time [ 100.815034][ T5194] BTRFS info (device loop0): enabling auto defrag [ 100.816945][ T5194] BTRFS info (device loop0): setting nodatacow [ 100.818550][ T5194] BTRFS info (device loop0): disabling tree log [ 100.820133][ T5194] BTRFS info (device loop0): using free space tree [ 100.821811][ T5194] BTRFS info (device loop0): has skinny extents [ 100.833420][ T9] BTRFS warning (device loop0): checksum verify failed on 5332992 wanted 0x0a5e5d25 found 0x26333c6f level 0 [ 100.837336][ T5194] BTRFS warning (device loop0): couldn't read tree root [ 100.839703][ T148] BTRFS warning (device loop0): checksum verify failed on 5324800 wanted 0x9f73850b found 0x78ca8373 level 0 [ 100.842971][ T5194] BTRFS warning (device loop0): couldn't read tree root [ 100.845199][ T5194] BTRFS error (device loop0): parent transid verify failed on 5255168 wanted 5 found 7 [ 100.848564][ T5194] BTRFS warning (device loop0): couldn't read tree root [ 100.856471][ T5194] BTRFS info (device loop0): enabling ssd optimizations [ 100.858923][ T5194] BTRFS info (device loop0): clearing free space tree [ 100.860809][ T5194] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 100.863266][ T5194] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 100.869746][ T5194] BTRFS info (device loop0): creating free space tree [ 100.872445][ T5194] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 100.875244][ T5194] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 100.884037][ T5194] FAULT_INJECTION: forcing a failure. [ 100.884037][ T5194] name failslab, interval 1, probability 0, space 0, times 0 [ 100.887710][ T5194] CPU: 0 PID: 5194 Comm: syz.0.27 Tainted: G W 5.15.188-syzkaller #0 [ 100.890234][ T5194] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 100.892957][ T5194] Call trace: [ 100.893829][ T5194] dump_backtrace+0x0/0x43c [ 100.895089][ T5194] show_stack+0x2c/0x3c [ 100.896213][ T5194] __dump_stack+0x30/0x40 [ 100.897354][ T5194] dump_stack_lvl+0xf8/0x160 [ 100.898598][ T5194] dump_stack+0x1c/0x5c [ 100.899708][ T5194] should_fail+0x3c0/0x51c [ 100.900969][ T5194] __should_failslab+0xbc/0x10c [ 100.902299][ T5194] should_failslab+0x10/0x28 [ 100.903502][ T5194] slab_pre_alloc_hook+0x64/0xec [ 100.904788][ T5194] kmem_cache_alloc+0x94/0x3e4 [ 100.906049][ T5194] btrfs_alloc_tree_block+0xa30/0x112c [ 100.907548][ T5194] insert_new_root+0x238/0x890 [ 100.908859][ T5194] split_leaf+0xa38/0x1074 [ 100.910059][ T5194] btrfs_search_slot+0x1c24/0x1f4c [ 100.911558][ T5194] btrfs_insert_empty_items+0x1e0/0x2a8 [ 100.913118][ T5194] insert_with_overflow+0xb4/0x238 [ 100.914484][ T5194] btrfs_insert_xattr_item+0x160/0x2dc [ 100.915979][ T5194] btrfs_setxattr+0x3d8/0x8cc [ 100.917273][ T5194] btrfs_setxattr_trans+0xfc/0x360 [ 100.918622][ T5194] btrfs_xattr_handler_set+0xb0/0xd8 [ 100.920052][ T5194] __vfs_setxattr+0x388/0x3a4 [ 100.921301][ T5194] __vfs_setxattr_noperm+0x120/0x564 [ 100.922686][ T5194] __vfs_setxattr_locked+0x1ec/0x218 [ 100.924120][ T5194] vfs_setxattr+0x158/0x2ac [ 100.925312][ T5194] setxattr+0x248/0x2ac [ 100.926434][ T5194] path_setxattr+0x12c/0x25c [ 100.927747][ T5194] __arm64_sys_setxattr+0xbc/0xd8 [ 100.929179][ T5194] invoke_syscall+0x98/0x2b8 [ 100.930451][ T5194] el0_svc_common+0x138/0x258 [ 100.931776][ T5194] do_el0_svc+0x58/0x14c [ 100.932886][ T5194] el0_svc+0x78/0x1e0 [ 100.934012][ T5194] el0t_64_sync_handler+0xcc/0xe4 [ 100.935408][ T5194] el0t_64_sync+0x1a0/0x1a4 [ 101.004341][ T4646] ------------[ cut here ]------------ [ 101.006015][ T4646] WARNING: CPU: 1 PID: 4646 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 101.009147][ T4646] Modules linked in: [ 101.010232][ T4646] CPU: 1 PID: 4646 Comm: syz-executor Tainted: G W 5.15.188-syzkaller #0 [ 101.013003][ T4646] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 101.015828][ T4646] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 101.017995][ T4646] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 101.019885][ T4646] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c [ 101.021806][ T4646] sp : ffff80001f997740 [ 101.022994][ T4646] x29: ffff80001f997750 x28: dfff800000000000 x27: 1fffe0001a8f8e0c [ 101.025205][ T4646] x26: dfff800000000000 x25: ffff80001417d310 x24: 0000000000000002 [ 101.027437][ T4646] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 101.029658][ T4646] x20: ffff0000d47c7060 x19: 0000000000000000 x18: 0000000000000000 [ 101.031899][ T4646] x17: 0000000000000000 x16: ffff8000111d162c x15: 0000000000000003 [ 101.034112][ T4646] x14: 00000000111cd44c x13: 1ffff0000283006b x12: 0000000000ff0100 [ 101.036316][ T4646] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a038dec [ 101.038555][ T4646] x8 : ffff0000c2f151c0 x7 : ffff80000a0380d0 x6 : 0000000000000000 [ 101.040824][ T4646] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d608c [ 101.043059][ T4646] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 101.045403][ T4646] Call trace: [ 101.046307][ T4646] btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 101.048154][ T4646] btrfs_block_rsv_release+0x408/0x4e4 [ 101.049651][ T4646] btrfs_release_global_block_rsv+0x38/0x22c [ 101.051291][ T4646] btrfs_free_block_groups+0x7b4/0xb44 [ 101.052746][ T4646] close_ctree+0x608/0x84c [ 101.053920][ T4646] btrfs_put_super+0x40/0x50 [ 101.055171][ T4646] generic_shutdown_super+0x130/0x2f0 [ 101.056716][ T4646] kill_anon_super+0x4c/0x80 [ 101.057973][ T4646] btrfs_kill_super+0x40/0x58 [ 101.059233][ T4646] deactivate_locked_super+0xb8/0x13c [ 101.060786][ T4646] deactivate_super+0xf8/0x118 [ 101.062112][ T4646] cleanup_mnt+0x3a4/0x458 [ 101.063335][ T4646] __cleanup_mnt+0x20/0x30 [ 101.064575][ T4646] task_work_run+0x12c/0x1e0 [ 101.065861][ T4646] do_notify_resume+0x24b4/0x3128 [ 101.067234][ T4646] el0_svc+0xf0/0x1e0 [ 101.068362][ T4646] el0t_64_sync_handler+0xcc/0xe4 [ 101.069754][ T4646] el0t_64_sync+0x1a0/0x1a4 [ 101.070977][ T4646] irq event stamp: 256560 [ 101.072171][ T4646] hardirqs last enabled at (256559): [] kasan_quarantine_put+0xc4/0x204 [ 101.074890][ T4646] hardirqs last disabled at (256560): [] el1_dbg+0x24/0x80 [ 101.077291][ T4646] softirqs last enabled at (254558): [] local_bh_enable+0x10/0x34 [ 101.079884][ T4646] softirqs last disabled at (254556): [] local_bh_disable+0x10/0x34 [ 101.082475][ T4646] ---[ end trace f2a627920660e6a3 ]--- [ 101.380690][ T5216] loop0: detected capacity change from 0 to 32768 [ 101.424391][ T5216] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.28 (5216) [ 101.430859][ T5216] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 101.433293][ T5216] BTRFS info (device loop0): metadata ratio 4 [ 101.435357][ T5216] BTRFS info (device loop0): setting incompat feature flag for COMPRESS_LZO (0x8) [ 101.438613][ T5216] BTRFS info (device loop0): force lzo compression, level 0 [ 101.440515][ T5216] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 101.443302][ T5216] BTRFS info (device loop0): trying to use backup root at mount time [ 101.445487][ T5216] BTRFS info (device loop0): enabling auto defrag [ 101.447614][ T5216] BTRFS info (device loop0): setting nodatacow [ 101.449283][ T5216] BTRFS info (device loop0): disabling tree log [ 101.450918][ T5216] BTRFS info (device loop0): using free space tree [ 101.452649][ T5216] BTRFS info (device loop0): has skinny extents [ 101.463033][ T5216] BTRFS warning (device loop0): couldn't read tree root [ 101.465324][ T5216] BTRFS warning (device loop0): couldn't read tree root [ 101.468270][ T5216] BTRFS error (device loop0): parent transid verify failed on 5255168 wanted 5 found 7 [ 101.470946][ T5216] BTRFS warning (device loop0): couldn't read tree root [ 101.486200][ T5216] BTRFS info (device loop0): enabling ssd optimizations [ 101.488692][ T5216] BTRFS info (device loop0): clearing free space tree [ 101.490601][ T5216] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 101.493190][ T5216] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 101.499264][ T5216] BTRFS info (device loop0): creating free space tree [ 101.505558][ T5216] FAULT_INJECTION: forcing a failure. [ 101.505558][ T5216] name failslab, interval 1, probability 0, space 0, times 0 [ 101.509447][ T5216] CPU: 0 PID: 5216 Comm: syz.0.28 Tainted: G W 5.15.188-syzkaller #0 [ 101.512067][ T5216] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 101.514802][ T5216] Call trace: [ 101.515683][ T5216] dump_backtrace+0x0/0x43c [ 101.516876][ T5216] show_stack+0x2c/0x3c [ 101.518001][ T5216] __dump_stack+0x30/0x40 [ 101.519193][ T5216] dump_stack_lvl+0xf8/0x160 [ 101.520400][ T5216] dump_stack+0x1c/0x5c [ 101.521495][ T5216] should_fail+0x3c0/0x51c [ 101.522696][ T5216] __should_failslab+0xbc/0x10c [ 101.524066][ T5216] should_failslab+0x10/0x28 [ 101.525294][ T5216] slab_pre_alloc_hook+0x64/0xec [ 101.526644][ T5216] kmem_cache_alloc+0x94/0x3e4 [ 101.527916][ T5216] btrfs_alloc_path+0x5c/0x68 [ 101.529219][ T5216] btrfs_setxattr+0xd4/0x8cc [ 101.530476][ T5216] btrfs_setxattr_trans+0xfc/0x360 [ 101.531879][ T5216] btrfs_xattr_handler_set+0xb0/0xd8 [ 101.533277][ T5216] __vfs_setxattr+0x388/0x3a4 [ 101.534520][ T5216] __vfs_setxattr_noperm+0x120/0x564 [ 101.535989][ T5216] __vfs_setxattr_locked+0x1ec/0x218 [ 101.537500][ T5216] vfs_setxattr+0x158/0x2ac [ 101.538670][ T5216] setxattr+0x248/0x2ac [ 101.539800][ T5216] path_setxattr+0x12c/0x25c [ 101.541023][ T5216] __arm64_sys_setxattr+0xbc/0xd8 [ 101.542423][ T5216] invoke_syscall+0x98/0x2b8 [ 101.543742][ T5216] el0_svc_common+0x138/0x258 [ 101.545105][ T5216] do_el0_svc+0x58/0x14c [ 101.546284][ T5216] el0_svc+0x78/0x1e0 [ 101.547363][ T5216] el0t_64_sync_handler+0xcc/0xe4 [ 101.548743][ T5216] el0t_64_sync+0x1a0/0x1a4 [ 101.832279][ T5238] loop0: detected capacity change from 0 to 32768 [ 101.884037][ T5238] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.29 (5238) [ 101.890736][ T5238] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 101.908458][ T5238] BTRFS warning (device loop0): couldn't read tree root [ 101.911397][ T5238] BTRFS warning (device loop0): couldn't read tree root [ 101.915047][ T5238] BTRFS error (device loop0): parent transid verify failed on 5255168 wanted 5 found 7 [ 101.918421][ T5238] BTRFS warning (device loop0): couldn't read tree root [ 101.940827][ T5238] FAULT_INJECTION: forcing a failure. [ 101.940827][ T5238] name failslab, interval 1, probability 0, space 0, times 0 [ 101.944460][ T5238] CPU: 0 PID: 5238 Comm: syz.0.29 Tainted: G W 5.15.188-syzkaller #0 [ 101.947003][ T5238] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 101.949968][ T5238] Call trace: [ 101.950886][ T5238] dump_backtrace+0x0/0x43c [ 101.952139][ T5238] show_stack+0x2c/0x3c [ 101.953328][ T5238] __dump_stack+0x30/0x40 [ 101.954523][ T5238] dump_stack_lvl+0xf8/0x160 [ 101.955788][ T5238] dump_stack+0x1c/0x5c [ 101.957017][ T5238] should_fail+0x3c0/0x51c [ 101.958266][ T5238] __should_failslab+0xbc/0x10c [ 101.959569][ T5238] should_failslab+0x10/0x28 [ 101.960823][ T5238] slab_pre_alloc_hook+0x64/0xec [ 101.962189][ T5238] kmem_cache_alloc+0x94/0x3e4 [ 101.963509][ T5238] btrfs_alloc_tree_block+0xa30/0x112c [ 101.965038][ T5238] insert_new_root+0x238/0x890 [ 101.966392][ T5238] split_leaf+0xa38/0x1074 [ 101.967625][ T5238] btrfs_search_slot+0x1c24/0x1f4c [ 101.969054][ T5238] btrfs_insert_empty_items+0x1e0/0x2a8 [ 101.970568][ T5238] insert_with_overflow+0xb4/0x238 [ 101.971953][ T5238] btrfs_insert_xattr_item+0x160/0x2dc [ 101.973506][ T5238] btrfs_setxattr+0x3d8/0x8cc [ 101.974771][ T5238] btrfs_setxattr_trans+0xfc/0x360 [ 101.976210][ T5238] btrfs_xattr_handler_set+0xb0/0xd8 [ 101.977631][ T5238] __vfs_setxattr+0x388/0x3a4 [ 101.978937][ T5238] __vfs_setxattr_noperm+0x120/0x564 [ 101.980366][ T5238] __vfs_setxattr_locked+0x1ec/0x218 [ 101.981833][ T5238] vfs_setxattr+0x158/0x2ac [ 101.983050][ T5238] setxattr+0x248/0x2ac [ 101.984158][ T5238] path_setxattr+0x12c/0x25c [ 101.985443][ T5238] __arm64_sys_setxattr+0xbc/0xd8 [ 101.986786][ T5238] invoke_syscall+0x98/0x2b8 [ 101.988031][ T5238] el0_svc_common+0x138/0x258 [ 101.989268][ T5238] do_el0_svc+0x58/0x14c [ 101.990414][ T5238] el0_svc+0x78/0x1e0 [ 101.991468][ T5238] el0t_64_sync_handler+0xcc/0xe4 [ 101.992845][ T5238] el0t_64_sync+0x1a0/0x1a4 [ 102.064482][ T4646] ------------[ cut here ]------------ [ 102.066052][ T4646] WARNING: CPU: 1 PID: 4646 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 102.069241][ T4646] Modules linked in: [ 102.070307][ T4646] CPU: 1 PID: 4646 Comm: syz-executor Tainted: G W 5.15.188-syzkaller #0 [ 102.072895][ T4646] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 102.075556][ T4646] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 102.077609][ T4646] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 102.079469][ T4646] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c [ 102.081362][ T4646] sp : ffff80001f997740 [ 102.082490][ T4646] x29: ffff80001f997750 x28: dfff800000000000 x27: 1fffe0001da6f10c [ 102.084687][ T4646] x26: dfff800000000000 x25: ffff80001417d310 x24: 0000000000000002 [ 102.086796][ T4646] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 102.089011][ T4646] x20: ffff0000ed378860 x19: 0000000000000000 x18: 0000000000000000 [ 102.091153][ T4646] x17: 0000000000000000 x16: ffff8000111d162c x15: 0000000000000003 [ 102.093315][ T4646] x14: 00000000111cd44c x13: 1ffff0000283006b x12: 0000000000ff0100 [ 102.095500][ T4646] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a038dec [ 102.097632][ T4646] x8 : ffff0000c2f151c0 x7 : ffff80000a0380d0 x6 : 0000000000000000 [ 102.099858][ T4646] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d608c [ 102.101988][ T4646] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 102.104204][ T4646] Call trace: [ 102.105068][ T4646] btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 102.106904][ T4646] btrfs_block_rsv_release+0x408/0x4e4 [ 102.108448][ T4646] btrfs_release_global_block_rsv+0x38/0x22c [ 102.110129][ T4646] btrfs_free_block_groups+0x7b4/0xb44 [ 102.111609][ T4646] close_ctree+0x608/0x84c [ 102.112816][ T4646] btrfs_put_super+0x40/0x50 [ 102.114104][ T4646] generic_shutdown_super+0x130/0x2f0 [ 102.115567][ T4646] kill_anon_super+0x4c/0x80 [ 102.116830][ T4646] btrfs_kill_super+0x40/0x58 [ 102.118142][ T4646] deactivate_locked_super+0xb8/0x13c [ 102.119650][ T4646] deactivate_super+0xf8/0x118 [ 102.120974][ T4646] cleanup_mnt+0x3a4/0x458 [ 102.122192][ T4646] __cleanup_mnt+0x20/0x30 [ 102.123374][ T4646] task_work_run+0x12c/0x1e0 [ 102.124637][ T4646] do_notify_resume+0x24b4/0x3128 [ 102.126035][ T4646] el0_svc+0xf0/0x1e0 [ 102.127152][ T4646] el0t_64_sync_handler+0xcc/0xe4 [ 102.128525][ T4646] el0t_64_sync+0x1a0/0x1a4 [ 102.129737][ T4646] irq event stamp: 277992 [ 102.130951][ T4646] hardirqs last enabled at (277991): [] kasan_quarantine_put+0xc4/0x204 [ 102.133708][ T4646] hardirqs last disabled at (277992): [] el1_dbg+0x24/0x80 [ 102.136133][ T4646] softirqs last enabled at (276292): [] handle_softirqs+0xa4c/0xbf0 [ 102.138750][ T4646] softirqs last disabled at (276259): [] __irq_exit_rcu+0x240/0x440 [ 102.141358][ T4646] ---[ end trace f2a627920660e6a4 ]--- [ 102.437782][ T5260] loop0: detected capacity change from 0 to 32768 [ 102.479875][ T5260] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.30 (5260) [ 102.497266][ T5260] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 102.537549][ T5260] BTRFS warning (device loop0): couldn't read tree root [ 102.540292][ T5260] BTRFS warning (device loop0): couldn't read tree root [ 102.542587][ T5260] BTRFS error (device loop0): parent transid verify failed on 5255168 wanted 5 found 7 [ 102.545169][ T5260] BTRFS warning (device loop0): couldn't read tree root [ 102.560174][ T5260] FAULT_INJECTION: forcing a failure. [ 102.560174][ T5260] name failslab, interval 1, probability 0, space 0, times 0 [ 102.563650][ T5260] CPU: 0 PID: 5260 Comm: syz.0.30 Tainted: G W 5.15.188-syzkaller #0 [ 102.566187][ T5260] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 102.568989][ T5260] Call trace: [ 102.569860][ T5260] dump_backtrace+0x0/0x43c [ 102.571128][ T5260] show_stack+0x2c/0x3c [ 102.572218][ T5260] __dump_stack+0x30/0x40 [ 102.573383][ T5260] dump_stack_lvl+0xf8/0x160 [ 102.574587][ T5260] dump_stack+0x1c/0x5c [ 102.575717][ T5260] should_fail+0x3c0/0x51c [ 102.576966][ T5260] __should_failslab+0xbc/0x10c [ 102.578308][ T5260] should_failslab+0x10/0x28 [ 102.579654][ T5260] slab_pre_alloc_hook+0x64/0xec [ 102.581045][ T5260] kmem_cache_alloc+0x94/0x3e4 [ 102.582391][ T5260] btrfs_alloc_tree_block+0xa30/0x112c [ 102.583866][ T5260] insert_new_root+0x238/0x890 [ 102.585172][ T5260] split_leaf+0xa38/0x1074 [ 102.586377][ T5260] btrfs_search_slot+0x1c24/0x1f4c [ 102.587782][ T5260] btrfs_insert_empty_items+0x1e0/0x2a8 [ 102.589260][ T5260] insert_with_overflow+0xb4/0x238 [ 102.590634][ T5260] btrfs_insert_xattr_item+0x160/0x2dc [ 102.592116][ T5260] btrfs_setxattr+0x3d8/0x8cc [ 102.593374][ T5260] btrfs_setxattr_trans+0xfc/0x360 [ 102.594775][ T5260] btrfs_xattr_handler_set+0xb0/0xd8 [ 102.596237][ T5260] __vfs_setxattr+0x388/0x3a4 [ 102.597490][ T5260] __vfs_setxattr_noperm+0x120/0x564 [ 102.598889][ T5260] __vfs_setxattr_locked+0x1ec/0x218 [ 102.600317][ T5260] vfs_setxattr+0x158/0x2ac [ 102.601577][ T5260] setxattr+0x248/0x2ac [ 102.602673][ T5260] path_setxattr+0x12c/0x25c [ 102.603922][ T5260] __arm64_sys_setxattr+0xbc/0xd8 [ 102.605290][ T5260] invoke_syscall+0x98/0x2b8 [ 102.606498][ T5260] el0_svc_common+0x138/0x258 [ 102.607852][ T5260] do_el0_svc+0x58/0x14c [ 102.609038][ T5260] el0_svc+0x78/0x1e0 [ 102.610105][ T5260] el0t_64_sync_handler+0xcc/0xe4 [ 102.611481][ T5260] el0t_64_sync+0x1a0/0x1a4 [ 102.681703][ T4646] ------------[ cut here ]------------ [ 102.683232][ T4646] WARNING: CPU: 1 PID: 4646 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 102.686256][ T4646] Modules linked in: [ 102.687341][ T4646] CPU: 1 PID: 4646 Comm: syz-executor Tainted: G W 5.15.188-syzkaller #0 [ 102.689934][ T4646] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 102.692716][ T4646] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 102.694928][ T4646] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 102.696873][ T4646] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c [ 102.698827][ T4646] sp : ffff80001f997740 [ 102.699960][ T4646] x29: ffff80001f997750 x28: dfff800000000000 x27: 1fffe0001b1f780c [ 102.702103][ T4646] x26: dfff800000000000 x25: ffff80001417d310 x24: 0000000000000002 [ 102.704254][ T4646] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 102.706438][ T4646] x20: ffff0000d8fbc060 x19: 0000000000000000 x18: 0000000000000000 [ 102.708580][ T4646] x17: 0000000000000000 x16: ffff8000111d162c x15: 0000000000000003 [ 102.710761][ T4646] x14: 00000000111cd44c x13: 1ffff0000283006b x12: 0000000000ff0100 [ 102.712925][ T4646] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a038dec [ 102.715110][ T4646] x8 : ffff0000c2f151c0 x7 : ffff80000a0380d0 x6 : 0000000000000000 [ 102.717338][ T4646] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d608c [ 102.719521][ T4646] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 102.721751][ T4646] Call trace: [ 102.722701][ T4646] btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 102.724550][ T4646] btrfs_block_rsv_release+0x408/0x4e4 [ 102.725999][ T4646] btrfs_release_global_block_rsv+0x38/0x22c [ 102.727624][ T4646] btrfs_free_block_groups+0x7b4/0xb44 [ 102.729113][ T4646] close_ctree+0x608/0x84c [ 102.730282][ T4646] btrfs_put_super+0x40/0x50 [ 102.731543][ T4646] generic_shutdown_super+0x130/0x2f0 [ 102.732995][ T4646] kill_anon_super+0x4c/0x80 [ 102.734258][ T4646] btrfs_kill_super+0x40/0x58 [ 102.735547][ T4646] deactivate_locked_super+0xb8/0x13c [ 102.737109][ T4646] deactivate_super+0xf8/0x118 [ 102.738457][ T4646] cleanup_mnt+0x3a4/0x458 [ 102.739672][ T4646] __cleanup_mnt+0x20/0x30 [ 102.740842][ T4646] task_work_run+0x12c/0x1e0 [ 102.742091][ T4646] do_notify_resume+0x24b4/0x3128 [ 102.743439][ T4646] el0_svc+0xf0/0x1e0 [ 102.744494][ T4646] el0t_64_sync_handler+0xcc/0xe4 [ 102.745835][ T4646] el0t_64_sync+0x1a0/0x1a4 [ 102.747104][ T4646] irq event stamp: 293448 [ 102.748285][ T4646] hardirqs last enabled at (293447): [] kasan_quarantine_put+0xc4/0x204 [ 102.751024][ T4646] hardirqs last disabled at (293448): [] el1_dbg+0x24/0x80 [ 102.753404][ T4646] softirqs last enabled at (292714): [] handle_softirqs+0xa4c/0xbf0 [ 102.756068][ T4646] softirqs last disabled at (292679): [] __irq_exit_rcu+0x240/0x440 [ 102.758672][ T4646] ---[ end trace f2a627920660e6a5 ]--- [ 103.038062][ T5282] loop0: detected capacity change from 0 to 32768 [ 103.081327][ T5282] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.31 (5282) [ 103.089544][ T5282] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 103.102070][ T5282] BTRFS warning (device loop0): couldn't read tree root [ 103.104542][ T5282] BTRFS warning (device loop0): couldn't read tree root [ 103.107097][ T5282] BTRFS error (device loop0): parent transid verify failed on 5255168 wanted 5 found 7 [ 103.109747][ T5282] BTRFS warning (device loop0): couldn't read tree root [ 103.125131][ T5282] FAULT_INJECTION: forcing a failure. [ 103.125131][ T5282] name failslab, interval 1, probability 0, space 0, times 0 [ 103.128915][ T5282] CPU: 0 PID: 5282 Comm: syz.0.31 Tainted: G W 5.15.188-syzkaller #0 [ 103.131441][ T5282] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 103.134124][ T5282] Call trace: [ 103.134958][ T5282] dump_backtrace+0x0/0x43c [ 103.136174][ T5282] show_stack+0x2c/0x3c [ 103.137283][ T5282] __dump_stack+0x30/0x40 [ 103.138485][ T5282] dump_stack_lvl+0xf8/0x160 [ 103.139739][ T5282] dump_stack+0x1c/0x5c [ 103.140895][ T5282] should_fail+0x3c0/0x51c [ 103.142125][ T5282] __should_failslab+0xbc/0x10c [ 103.143513][ T5282] should_failslab+0x10/0x28 [ 103.144792][ T5282] slab_pre_alloc_hook+0x64/0xec [ 103.146146][ T5282] kmem_cache_alloc+0x94/0x3e4 [ 103.147410][ T5282] btrfs_alloc_tree_block+0xa30/0x112c [ 103.148999][ T5282] insert_new_root+0x238/0x890 [ 103.150284][ T5282] split_leaf+0xa38/0x1074 [ 103.151526][ T5282] btrfs_search_slot+0x1c24/0x1f4c [ 103.152986][ T5282] btrfs_insert_empty_items+0x1e0/0x2a8 [ 103.154540][ T5282] insert_with_overflow+0xb4/0x238 [ 103.155966][ T5282] btrfs_insert_xattr_item+0x160/0x2dc [ 103.157449][ T5282] btrfs_setxattr+0x3d8/0x8cc [ 103.158728][ T5282] btrfs_setxattr_trans+0xfc/0x360 [ 103.160101][ T5282] btrfs_xattr_handler_set+0xb0/0xd8 [ 103.161563][ T5282] __vfs_setxattr+0x388/0x3a4 [ 103.162884][ T5282] __vfs_setxattr_noperm+0x120/0x564 [ 103.164360][ T5282] __vfs_setxattr_locked+0x1ec/0x218 [ 103.165795][ T5282] vfs_setxattr+0x158/0x2ac [ 103.166993][ T5282] setxattr+0x248/0x2ac [ 103.168201][ T5282] path_setxattr+0x12c/0x25c [ 103.169410][ T5282] __arm64_sys_setxattr+0xbc/0xd8 [ 103.170806][ T5282] invoke_syscall+0x98/0x2b8 [ 103.172165][ T5282] el0_svc_common+0x138/0x258 [ 103.173390][ T5282] do_el0_svc+0x58/0x14c [ 103.174584][ T5282] el0_svc+0x78/0x1e0 [ 103.175668][ T5282] el0t_64_sync_handler+0xcc/0xe4 [ 103.177089][ T5282] el0t_64_sync+0x1a0/0x1a4 [ 103.242735][ T4646] ------------[ cut here ]------------ [ 103.244281][ T4646] WARNING: CPU: 0 PID: 4646 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 103.247461][ T4646] Modules linked in: [ 103.248539][ T4646] CPU: 0 PID: 4646 Comm: syz-executor Tainted: G W 5.15.188-syzkaller #0 [ 103.251236][ T4646] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 103.253976][ T4646] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 103.256147][ T4646] pc : btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 103.258114][ T4646] lr : btrfs_space_info_update_bytes_may_use+0x2b4/0x66c [ 103.260088][ T4646] sp : ffff80001f997740 [ 103.261184][ T4646] x29: ffff80001f997750 x28: dfff800000000000 x27: 1fffe0001aaf770c [ 103.263400][ T4646] x26: dfff800000000000 x25: ffff80001417d310 x24: 0000000000000001 [ 103.265582][ T4646] x23: 0000000000000005 x22: 00000000000cf000 x21: 00000000000d0000 [ 103.267722][ T4646] x20: ffff0000d57bb860 x19: 0000000000000000 x18: 0000000000000000 [ 103.269932][ T4646] x17: 0000000000000000 x16: ffff8000111d162c x15: 0000000000000003 [ 103.272149][ T4646] x14: 00000000111cd44c x13: 1ffff0000283006b x12: 0000000000ff0100 [ 103.274317][ T4646] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000a038dec [ 103.276480][ T4646] x8 : ffff0000c2f151c0 x7 : ffff80000a0380d0 x6 : 0000000000000000 [ 103.278730][ T4646] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d608c [ 103.280965][ T4646] x2 : fffffffffff30000 x1 : 00000000000d0000 x0 : 00000000000cf000 [ 103.283206][ T4646] Call trace: [ 103.284112][ T4646] btrfs_space_info_update_bytes_may_use+0x2b8/0x66c [ 103.285990][ T4646] btrfs_block_rsv_release+0x408/0x4e4 [ 103.287559][ T4646] btrfs_release_global_block_rsv+0x38/0x22c [ 103.289182][ T4646] btrfs_free_block_groups+0x7b4/0xb44 [ 103.290722][ T4646] close_ctree+0x608/0x84c [ 103.291976][ T4646] btrfs_put_super+0x40/0x50 [ 103.293264][ T4646] generic_shutdown_super+0x130/0x2f0 [ 103.294731][ T4646] kill_anon_super+0x4c/0x80 [ 103.295981][ T4646] btrfs_kill_super+0x40/0x58 [ 103.297294][ T4646] deactivate_locked_super+0xb8/0x13c [ 103.298830][ T4646] deactivate_super+0xf8/0x118 [ 103.300151][ T4646] cleanup_mnt+0x3a4/0x458 [ 103.301421][ T4646] __cleanup_mnt+0x20/0x30 [ 103.302649][ T4646] task_work_run+0x12c/0x1e0 [ 103.303895][ T4646] do_notify_resume+0x24b4/0x3128 [ 103.305264][ T4646] el0_svc+0xf0/0x1e0 [ 103.306343][ T4646] el0t_64_sync_handler+0xcc/0xe4 [ 103.307734][ T4646] el0t_64_sync+0x1a0/0x1a4 [ 103.308959][ T4646] irq event stamp: 309370 [ 103.310198][ T4646] hardirqs last enabled at (309369): [] kasan_quarantine_put+0xc4/0x204 [ 103.312974][ T4646] hardirqs last disabled at (309370): [] el1_dbg+0x24/0x80 [ 103.315348][ T4646] softirqs last enabled at (307324): [] handle_softirqs+0xa4c/0xbf0 [ 103.318098][ T4646] softirqs last disabled at (307319): [] __irq_exit_rcu+0x240/0x440 [ 103.320735][ T4646] ---[ end trace f2a627920660e6a6 ]--- [ 103.589263][ T5305] loop0: detected capacity change from 0 to 32768 [ 103.637840][ T5305] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.32 (5305) [ 103.645424][ T5305] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 103.657156][ T5305] BTRFS warning (device loop0): couldn't read tree root [ 103.659471][ T5305] BTRFS warning (device loop0): couldn't read tree root [ 103.661682][ T5305] BTRFS error (device loop0): parent transid verify failed on 5255168 wanted 5 found 7 [ 103.664362][ T5305] BTRFS warning (device loop0): couldn't read tree root [ 103.681194][ T5305] FAULT_INJECTION: forcing a failure. [ 103.681194][ T5305] name failslab, interval 1, probability 0, space 0, times 0 [ 103.684706][ T5305] CPU: 1 PID: 5305 Comm: syz.0.32 Tainted: G W 5.15.188-syzkaller #0 [ 103.687263][ T5305] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 103.690057][ T5305] Call trace: [ 103.690949][ T5305] dump_backtrace+0x0/0x43c [ 103.692222][ T5305] show_stack+0x2c/0x3c [ 103.693355][ T5305] __dump_stack+0x30/0x40 [ 103.694579][ T5305] dump_stack_lvl+0xf8/0x160 [ 103.695786][ T5305] dump_stack+0x1c/0x5c [ 103.696890][ T5305] should_fail+0x3c0/0x51c [ 103.698167][ T5305] __should_failslab+0xbc/0x10c [ 103.699537][ T5305] should_failslab+0x10/0x28 [ 103.700760][ T5305] slab_pre_alloc_hook+0x64/0xec [ 103.702094][ T5305] kmem_cache_alloc+0x94/0x3e4 [ 103.703351][ T5305] btrfs_alloc_tree_block+0xa30/0x112c [ 103.704767][ T5305] insert_new_root+0x238/0x890 [ 103.706020][ T5305] split_leaf+0xa38/0x1074 [ 103.707227][ T5305] btrfs_search_slot+0x1c24/0x1f4c [ 103.708627][ T5305] btrfs_insert_empty_items+0x1e0/0x2a8 [ 103.710134][ T5305] insert_with_overflow+0xb4/0x238 [ 103.711498][ T5305] btrfs_insert_xattr_item+0x160/0x2dc [ 103.712984][ T5305] btrfs_setxattr+0x3d8/0x8cc