[ 76.282237][ T7] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.1.9' (ED25519) to the list of known hosts. 2025/10/29 01:09:02 parsed 1 programs [ 83.676123][ T4629] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 84.761183][ T144] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 84.769271][ T144] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 84.779251][ T1275] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 84.789916][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 84.798926][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 84.807864][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 85.463500][ T4662] chnl_net:caif_netlink_parms(): no params data found [ 85.516526][ T4662] bridge0: port 1(bridge_slave_0) entered blocking state [ 85.523689][ T4662] bridge0: port 1(bridge_slave_0) entered disabled state [ 85.531712][ T4662] device bridge_slave_0 entered promiscuous mode [ 85.540252][ T4662] bridge0: port 2(bridge_slave_1) entered blocking state [ 85.547464][ T4662] bridge0: port 2(bridge_slave_1) entered disabled state [ 85.555603][ T4662] device bridge_slave_1 entered promiscuous mode [ 85.579055][ T4662] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 85.590921][ T4662] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 85.618345][ T4662] team0: Port device team_slave_0 added [ 85.626003][ T4662] team0: Port device team_slave_1 added [ 85.646953][ T4662] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 85.653996][ T4662] 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. [ 85.680092][ T4662] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 85.693106][ T4662] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 85.700045][ T4662] 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. [ 85.726110][ T4662] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 85.761076][ T4662] device hsr_slave_0 entered promiscuous mode [ 85.767846][ T4662] device hsr_slave_1 entered promiscuous mode [ 86.331507][ T4662] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 86.342168][ T4662] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 86.353629][ T4662] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 86.367804][ T4662] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 86.527733][ T4662] 8021q: adding VLAN 0 to HW filter on device bond0 [ 86.552002][ T4662] 8021q: adding VLAN 0 to HW filter on device team0 [ 86.558867][ T1275] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 86.571023][ T1275] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 86.592959][ T1275] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 86.602599][ T1275] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 86.612382][ T1275] bridge0: port 1(bridge_slave_0) entered blocking state [ 86.619441][ T1275] bridge0: port 1(bridge_slave_0) entered forwarding state [ 86.629315][ T1275] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 86.640028][ T1275] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 86.649041][ T1275] bridge0: port 2(bridge_slave_1) entered blocking state [ 86.656141][ T1275] bridge0: port 2(bridge_slave_1) entered forwarding state [ 86.665604][ T1275] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 86.674433][ T1275] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 86.684490][ T1275] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 86.693801][ T1275] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 86.712190][ T1275] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 86.721864][ T1275] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 86.729794][ T1275] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 86.738845][ T1275] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 86.752376][ T1275] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 86.763537][ T1275] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 86.771955][ T1275] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 86.780407][ T1275] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 86.930107][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 86.939143][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 86.964379][ T4662] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 86.985813][ T1275] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 86.995249][ T1275] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 87.020529][ T1275] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 87.029305][ T1275] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 87.040384][ T4662] device veth0_vlan entered promiscuous mode [ 87.047962][ T1275] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 87.056572][ T1275] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 87.082905][ T4662] device veth1_vlan entered promiscuous mode [ 87.115630][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 87.124413][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 87.135665][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 87.144602][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 87.173097][ T4662] device veth0_macvtap entered promiscuous mode [ 87.183498][ T4662] device veth1_macvtap entered promiscuous mode [ 87.203058][ T4662] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 87.210411][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 87.221758][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 87.229810][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 87.242197][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 87.255029][ T4662] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 87.274921][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 87.284745][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 87.297686][ T4662] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 87.307119][ T4662] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 87.317965][ T4662] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 87.327741][ T4662] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 2025/10/29 01:09:10 executed programs: 0 [ 88.965874][ T4817] chnl_net:caif_netlink_parms(): no params data found [ 89.069221][ T4817] bridge0: port 1(bridge_slave_0) entered blocking state [ 89.090804][ T4817] bridge0: port 1(bridge_slave_0) entered disabled state [ 89.104930][ T4817] device bridge_slave_0 entered promiscuous mode [ 89.113296][ T4817] bridge0: port 2(bridge_slave_1) entered blocking state [ 89.120436][ T4817] bridge0: port 2(bridge_slave_1) entered disabled state [ 89.128431][ T4817] device bridge_slave_1 entered promiscuous mode [ 89.167559][ T4817] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 89.193079][ T4817] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 89.247639][ T4817] team0: Port device team_slave_0 added [ 89.264246][ T4817] team0: Port device team_slave_1 added [ 89.301517][ T4817] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 89.308562][ T4817] 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. [ 89.370634][ T4817] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 89.392315][ T4817] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 89.399270][ T4817] 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. [ 89.450327][ T4817] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 89.493167][ T4817] device hsr_slave_0 entered promiscuous mode [ 89.499886][ T4817] device hsr_slave_1 entered promiscuous mode [ 89.506840][ T4817] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 89.516847][ T4817] Cannot create hsr debugfs directory [ 89.543710][ T1152] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 90.850699][ T4343] Bluetooth: hci0: command 0x0409 tx timeout [ 92.064466][ T1152] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 92.150354][ T1152] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 92.206277][ T1152] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 92.920827][ T4293] Bluetooth: hci0: command 0x041b tx timeout [ 93.089727][ T4817] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 93.102754][ T4817] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 93.132165][ T4817] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 93.140499][ T4817] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 93.207742][ T4817] 8021q: adding VLAN 0 to HW filter on device bond0 [ 93.218900][ T4716] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 93.226994][ T4716] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 93.236825][ T4817] 8021q: adding VLAN 0 to HW filter on device team0 [ 93.256762][ T4716] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 93.265315][ T4716] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 93.274108][ T4716] bridge0: port 1(bridge_slave_0) entered blocking state [ 93.281184][ T4716] bridge0: port 1(bridge_slave_0) entered forwarding state [ 93.303541][ T4817] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 93.313941][ T4817] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 93.325391][ T4716] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 93.333601][ T4716] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 93.342299][ T4716] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 93.350653][ T4716] bridge0: port 2(bridge_slave_1) entered blocking state [ 93.357691][ T4716] bridge0: port 2(bridge_slave_1) entered forwarding state [ 93.365797][ T4716] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 93.375302][ T4716] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 93.384101][ T4716] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 93.392995][ T4716] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 93.401707][ T4716] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 93.410057][ T4716] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 93.418820][ T4716] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 93.427186][ T4716] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 93.435786][ T4716] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 93.443995][ T4716] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 93.458394][ T1152] device hsr_slave_0 left promiscuous mode [ 93.464647][ T1152] device hsr_slave_1 left promiscuous mode [ 93.471319][ T1152] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 93.478705][ T1152] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 93.487121][ T1152] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 93.494582][ T1152] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 93.502723][ T1152] device bridge_slave_1 left promiscuous mode [ 93.508958][ T1152] bridge0: port 2(bridge_slave_1) entered disabled state [ 93.517930][ T1152] device bridge_slave_0 left promiscuous mode [ 93.524254][ T1152] bridge0: port 1(bridge_slave_0) entered disabled state [ 93.535304][ T1152] device veth1_macvtap left promiscuous mode [ 93.541368][ T1152] device veth0_macvtap left promiscuous mode [ 93.547366][ T1152] device veth1_vlan left promiscuous mode [ 93.553156][ T1152] device veth0_vlan left promiscuous mode [ 93.668408][ T1152] team0 (unregistering): Port device team_slave_1 removed [ 93.680346][ T1152] team0 (unregistering): Port device team_slave_0 removed [ 93.692937][ T1152] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 93.707257][ T1152] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 93.753150][ T1152] bond0 (unregistering): Released all slaves [ 93.807419][ T4716] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 93.815634][ T4716] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 93.896500][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 93.904023][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 93.917869][ T4817] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 93.938318][ T4716] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 93.947000][ T4716] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 93.962579][ T4716] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 93.970886][ T4716] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 93.979207][ T4716] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 93.987295][ T4716] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 93.996604][ T4817] device veth0_vlan entered promiscuous mode [ 94.009756][ T4817] device veth1_vlan entered promiscuous mode [ 94.032748][ T4716] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 94.040807][ T4716] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 94.049460][ T4716] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 94.058172][ T4716] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 94.069189][ T4817] device veth0_macvtap entered promiscuous mode [ 94.079405][ T4817] device veth1_macvtap entered promiscuous mode [ 94.092425][ T4817] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 94.099742][ T4716] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 94.108727][ T4716] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 94.116601][ T4716] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 94.125828][ T4716] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 94.136600][ T4817] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 94.144846][ T4716] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 94.153455][ T4716] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 94.163723][ T4817] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 94.173740][ T4817] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 94.182494][ T4817] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 94.191259][ T4817] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 94.247402][ T4716] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 94.260691][ T4716] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 94.272498][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 94.274728][ T1275] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 94.280417][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 2025/10/29 01:09:16 executed programs: 2 [ 94.298178][ T1275] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 94.549087][ T5131] loop0: detected capacity change from 0 to 32768 [ 94.652141][ T5131] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.15 (5131) [ 94.712481][ T5131] BTRFS info (device loop0): using sha256 (sha256-avx2) checksum algorithm [ 94.721425][ T5131] BTRFS info (device loop0): setting nodatacow, compression disabled [ 94.729533][ T5131] BTRFS info (device loop0): force clearing of disk cache [ 94.738264][ T5131] BTRFS info (device loop0): setting datacow [ 94.744326][ T5131] BTRFS info (device loop0): doing ref verification [ 94.751954][ T5131] BTRFS info (device loop0): disabling free space tree [ 94.758832][ T5131] BTRFS info (device loop0): trying to use backup root at mount time [ 94.767676][ T5131] BTRFS info (device loop0): setting incompat feature flag for COMPRESS_ZSTD (0x10) [ 94.790441][ T5131] BTRFS info (device loop0): use zstd compression, level 3 [ 94.810622][ T5131] BTRFS info (device loop0): force zstd compression, level 3 [ 94.818039][ T5131] BTRFS info (device loop0): has skinny extents [ 94.995618][ T5131] BTRFS info (device loop0): clearing free space tree [ 95.010660][ T4306] Bluetooth: hci0: command 0x040f tx timeout [ 95.021368][ T5131] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 95.040718][ T5131] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 95.102998][ T5131] [ 95.105339][ T5131] ====================================================== [ 95.112338][ T5131] WARNING: possible circular locking dependency detected [ 95.119344][ T5131] syzkaller #0 Not tainted [ 95.123748][ T5131] ------------------------------------------------------ [ 95.130751][ T5131] syz.0.15/5131 is trying to acquire lock: [ 95.136550][ T5131] ffff88807af58650 (sb_internal#2){.+.+}-{0:0}, at: btrfs_dirty_inode+0xc5/0x1c0 [ 95.145679][ T5131] [ 95.145679][ T5131] but task is already holding lock: [ 95.153017][ T5131] ffff888070f50fe0 (&type->i_mutex_dir_key#8){++++}-{3:3}, at: chown_common+0x3c6/0x610 [ 95.162734][ T5131] [ 95.162734][ T5131] which lock already depends on the new lock. [ 95.162734][ T5131] [ 95.173117][ T5131] [ 95.173117][ T5131] the existing dependency chain (in reverse order) is: [ 95.182108][ T5131] [ 95.182108][ T5131] -> #3 (&type->i_mutex_dir_key#8){++++}-{3:3}: [ 95.190541][ T5131] down_read+0x44/0x2e0 [ 95.195219][ T5131] lookup_slow+0x46/0x70 [ 95.199969][ T5131] walk_component+0x319/0x460 [ 95.205274][ T5131] path_lookupat+0x169/0x440 [ 95.210545][ T5131] filename_lookup+0x1e2/0x4f0 [ 95.215822][ T5131] kern_path+0x37/0x190 [ 95.220477][ T5131] lookup_bdev+0xbd/0x270 [ 95.225310][ T5131] btrfs_free_stale_devices+0x6db/0xa60 [ 95.231354][ T5131] btrfs_forget_devices+0x52/0x80 [ 95.236879][ T5131] btrfs_control_ioctl+0x104/0x220 [ 95.242487][ T5131] __se_sys_ioctl+0xfa/0x170 [ 95.247572][ T5131] do_syscall_64+0x4c/0xa0 [ 95.252485][ T5131] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 95.258873][ T5131] [ 95.258873][ T5131] -> #2 (&fs_devs->device_list_mutex){+.+.}-{3:3}: [ 95.267547][ T5131] __mutex_lock_common+0x1eb/0x2390 [ 95.273242][ T5131] mutex_lock_nested+0x17/0x20 [ 95.278499][ T5131] btrfs_run_dev_stats+0xdf/0xdf0 [ 95.284031][ T5131] commit_cowonly_roots+0x17e/0x9c0 [ 95.289724][ T5131] btrfs_commit_transaction+0x1229/0x3440 [ 95.295941][ T5131] btrfs_clear_free_space_tree+0x786/0xbf0 [ 95.302240][ T5131] btrfs_start_pre_rw_mount+0x287/0x630 [ 95.308278][ T5131] open_ctree+0x2878/0x3250 [ 95.313278][ T5131] btrfs_fill_super+0x1c2/0x2e0 [ 95.318632][ T5131] btrfs_mount_root+0x857/0x8c0 [ 95.323998][ T5131] legacy_get_tree+0xe6/0x180 [ 95.329186][ T5131] vfs_get_tree+0x88/0x270 [ 95.334102][ T5131] vfs_kern_mount+0xba/0x150 [ 95.339189][ T5131] btrfs_mount+0x2d7/0xa50 [ 95.344102][ T5131] legacy_get_tree+0xe6/0x180 [ 95.349273][ T5131] vfs_get_tree+0x88/0x270 [ 95.354187][ T5131] do_new_mount+0x24a/0xa40 [ 95.359185][ T5131] __se_sys_mount+0x2d6/0x3c0 [ 95.364355][ T5131] do_syscall_64+0x4c/0xa0 [ 95.369279][ T5131] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 95.375682][ T5131] [ 95.375682][ T5131] -> #1 (&fs_info->tree_log_mutex){+.+.}-{3:3}: [ 95.384090][ T5131] lock_release+0x31a/0x870 [ 95.389094][ T5131] __mutex_unlock_slowpath+0xb3/0x6a0 [ 95.394963][ T5131] btrfs_commit_transaction+0x1c11/0x3440 [ 95.401183][ T5131] btrfs_clear_free_space_tree+0x786/0xbf0 [ 95.407485][ T5131] btrfs_start_pre_rw_mount+0x287/0x630 [ 95.413527][ T5131] open_ctree+0x2878/0x3250 [ 95.418961][ T5131] btrfs_fill_super+0x1c2/0x2e0 [ 95.424479][ T5131] btrfs_mount_root+0x857/0x8c0 [ 95.429824][ T5131] legacy_get_tree+0xe6/0x180 [ 95.434995][ T5131] vfs_get_tree+0x88/0x270 [ 95.439907][ T5131] vfs_kern_mount+0xba/0x150 [ 95.444989][ T5131] btrfs_mount+0x2d7/0xa50 [ 95.449904][ T5131] legacy_get_tree+0xe6/0x180 [ 95.455075][ T5131] vfs_get_tree+0x88/0x270 [ 95.459987][ T5131] do_new_mount+0x24a/0xa40 [ 95.464986][ T5131] __se_sys_mount+0x2d6/0x3c0 [ 95.470241][ T5131] do_syscall_64+0x4c/0xa0 [ 95.475149][ T5131] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 95.481536][ T5131] [ 95.481536][ T5131] -> #0 (sb_internal#2){.+.+}-{0:0}: [ 95.488985][ T5131] __lock_acquire+0x2c33/0x7c60 [ 95.494330][ T5131] lock_acquire+0x197/0x3f0 [ 95.499331][ T5131] start_transaction+0x5bc/0x1130 [ 95.504852][ T5131] btrfs_dirty_inode+0xc5/0x1c0 [ 95.510197][ T5131] btrfs_setattr+0x23e/0xe60 [ 95.515279][ T5131] notify_change+0xbcd/0xee0 [ 95.520363][ T5131] chown_common+0x483/0x610 [ 95.525364][ T5131] do_fchownat+0x164/0x270 [ 95.530276][ T5131] __x64_sys_lchown+0x81/0x90 [ 95.535446][ T5131] do_syscall_64+0x4c/0xa0 [ 95.540360][ T5131] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 95.546749][ T5131] [ 95.546749][ T5131] other info that might help us debug this: [ 95.546749][ T5131] [ 95.556948][ T5131] Chain exists of: [ 95.556948][ T5131] sb_internal#2 --> &fs_devs->device_list_mutex --> &type->i_mutex_dir_key#8 [ 95.556948][ T5131] [ 95.571607][ T5131] Possible unsafe locking scenario: [ 95.571607][ T5131] [ 95.579029][ T5131] CPU0 CPU1 [ 95.584366][ T5131] ---- ---- [ 95.589789][ T5131] lock(&type->i_mutex_dir_key#8); [ 95.594963][ T5131] lock(&fs_devs->device_list_mutex); [ 95.602910][ T5131] lock(&type->i_mutex_dir_key#8); [ 95.610602][ T5131] lock(sb_internal#2); [ 95.614824][ T5131] [ 95.614824][ T5131] *** DEADLOCK *** [ 95.614824][ T5131] [ 95.622937][ T5131] 2 locks held by syz.0.15/5131: [ 95.627842][ T5131] #0: ffff88807af58460 (sb_writers#13){.+.+}-{0:0}, at: mnt_want_write+0x3d/0x90 [ 95.637036][ T5131] #1: ffff888070f50fe0 (&type->i_mutex_dir_key#8){++++}-{3:3}, at: chown_common+0x3c6/0x610 [ 95.647184][ T5131] [ 95.647184][ T5131] stack backtrace: [ 95.653051][ T5131] CPU: 1 PID: 5131 Comm: syz.0.15 Not tainted syzkaller #0 [ 95.660217][ T5131] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 95.670252][ T5131] Call Trace: [ 95.673507][ T5131] [ 95.676413][ T5131] dump_stack_lvl+0x168/0x230 [ 95.681071][ T5131] ? load_image+0x3b0/0x3b0 [ 95.685554][ T5131] ? show_regs_print_info+0x20/0x20 [ 95.690729][ T5131] ? print_circular_bug+0x12b/0x1a0 [ 95.695902][ T5131] check_noncircular+0x274/0x310 [ 95.700811][ T5131] ? add_chain_block+0x940/0x940 [ 95.705719][ T5131] ? lockdep_lock+0xdc/0x1e0 [ 95.710284][ T5131] ? _raw_spin_unlock_irqrestore+0x82/0x100 [ 95.716148][ T5131] ? lockdep_hardirqs_on+0x94/0x140 [ 95.721322][ T5131] ? mark_lock+0x94/0x320 [ 95.725628][ T5131] __lock_acquire+0x2c33/0x7c60 [ 95.730456][ T5131] ? __kasan_slab_alloc+0xb3/0xd0 [ 95.735456][ T5131] ? kmem_cache_alloc+0x100/0x290 [ 95.740452][ T5131] ? btrfs_dirty_inode+0xc5/0x1c0 [ 95.745448][ T5131] ? notify_change+0xbcd/0xee0 [ 95.750189][ T5131] ? chown_common+0x483/0x610 [ 95.754840][ T5131] ? do_fchownat+0x164/0x270 [ 95.759403][ T5131] ? do_syscall_64+0x4c/0xa0 [ 95.763967][ T5131] ? entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 95.770007][ T5131] ? verify_lock_unused+0x140/0x140 [ 95.775186][ T5131] lock_acquire+0x197/0x3f0 [ 95.779664][ T5131] ? btrfs_dirty_inode+0xc5/0x1c0 [ 95.784669][ T5131] ? __might_sleep+0xf0/0xf0 [ 95.789240][ T5131] ? read_lock_is_recursive+0x10/0x10 [ 95.794588][ T5131] ? start_transaction+0x4d7/0x1130 [ 95.799760][ T5131] ? rcu_is_watching+0x11/0xa0 [ 95.804497][ T5131] ? start_transaction+0x4d7/0x1130 [ 95.809666][ T5131] ? kmem_cache_alloc+0x133/0x290 [ 95.814668][ T5131] start_transaction+0x5bc/0x1130 [ 95.819675][ T5131] ? btrfs_dirty_inode+0xc5/0x1c0 [ 95.824680][ T5131] btrfs_dirty_inode+0xc5/0x1c0 [ 95.829504][ T5131] btrfs_setattr+0x23e/0xe60 [ 95.834066][ T5131] ? make_kgid+0x640/0x640 [ 95.838458][ T5131] ? evm_inode_setattr+0x87/0x590 [ 95.843459][ T5131] ? bpf_lsm_inode_setattr+0x5/0x10 [ 95.848632][ T5131] ? btrfs_permission+0x1d0/0x1d0 [ 95.853627][ T5131] notify_change+0xbcd/0xee0 [ 95.858196][ T5131] chown_common+0x483/0x610 [ 95.862681][ T5131] ? __ia32_sys_chmod+0x70/0x70 [ 95.867510][ T5131] ? rcu_read_lock_any_held+0xb0/0x120 [ 95.872946][ T5131] ? __mnt_want_write+0x1e2/0x260 [ 95.877944][ T5131] do_fchownat+0x164/0x270 [ 95.882334][ T5131] ? chown_common+0x610/0x610 [ 95.886987][ T5131] __x64_sys_lchown+0x81/0x90 [ 95.891638][ T5131] do_syscall_64+0x4c/0xa0 [ 95.896032][ T5131] ? clear_bhb_loop+0x30/0x80 [ 95.900683][ T5131] ? clear_bhb_loop+0x30/0x80 [ 95.905336][ T5131] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 95.911214][ T5131] RIP: 0033:0x7f9cd2ac4ed9 [ 95.915605][ T5131] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 95.935184][ T5131] RSP: 002b:00007f9cd1d43058 EFLAGS: 00000246 ORIG_RAX: 000000000000005e [ 95.943572][ T5131] RAX: ffffffffffffffda RBX: 00007f9cd2c8afa0 RCX: 00007f9cd2ac4ed9 [ 95.951520][ T5131] RDX: 0000000000000000 RSI: 000000000000ee00 RDI: 0000000020000000 [ 95.959462][ T5131] RBP: 00007f9cd2b38cc8 R08: 0000000000000000 R09: 0000000000000000 [ 95.967405][ T5131] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 95.975352][ T5131] R13: 0000000000000000 R14: 00007f9cd2c8afa0 R15: 00007ffc719952a8 [ 95.983300][ T5131] [ 96.223423][ T5154] loop0: detected capacity change from 0 to 32768 [ 96.261792][ T5154] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.16 (5154) [ 96.277365][ T5154] BTRFS info (device loop0): using sha256 (sha256-avx2) checksum algorithm [ 96.286419][ T5154] BTRFS info (device loop0): setting nodatacow, compression disabled [ 96.294739][ T5154] BTRFS info (device loop0): force clearing of disk cache [ 96.302366][ T5154] BTRFS info (device loop0): setting datacow [ 96.308358][ T5154] BTRFS info (device loop0): doing ref verification [ 96.315197][ T5154] BTRFS info (device loop0): disabling free space tree [ 96.322359][ T5154] BTRFS info (device loop0): trying to use backup root at mount time [ 96.330799][ T5154] BTRFS info (device loop0): setting incompat feature flag for COMPRESS_ZSTD (0x10) [ 96.340163][ T5154] BTRFS info (device loop0): use zstd compression, level 3 [ 96.347663][ T5154] BTRFS info (device loop0): force zstd compression, level 3 [ 96.355225][ T5154] BTRFS info (device loop0): has skinny extents [ 96.371695][ T5154] BTRFS info (device loop0): clearing free space tree [ 96.378585][ T5154] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 96.389404][ T5154] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 96.533184][ T5176] loop0: detected capacity change from 0 to 32768 [ 96.581735][ T5176] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.17 (5176) [ 96.598069][ T5176] BTRFS info (device loop0): using sha256 (sha256-avx2) checksum algorithm [ 96.607022][ T5176] BTRFS info (device loop0): setting nodatacow, compression disabled [ 96.615338][ T5176] BTRFS info (device loop0): force clearing of disk cache [ 96.622605][ T5176] BTRFS info (device loop0): setting datacow [ 96.628587][ T5176] BTRFS info (device loop0): doing ref verification [ 96.635889][ T5176] BTRFS info (device loop0): disabling free space tree [ 96.642868][ T5176] BTRFS info (device loop0): trying to use backup root at mount time [ 96.651575][ T5176] BTRFS info (device loop0): setting incompat feature flag for COMPRESS_ZSTD (0x10) [ 96.661017][ T5176] BTRFS info (device loop0): use zstd compression, level 3 [ 96.668280][ T5176] BTRFS info (device loop0): force zstd compression, level 3 [ 96.675813][ T5176] BTRFS info (device loop0): has skinny extents [ 96.692662][ T5176] BTRFS info (device loop0): clearing free space tree [ 96.699461][ T5176] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 96.709243][ T5176] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 96.864053][ T5198] loop0: detected capacity change from 0 to 32768 [ 96.961236][ T5198] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.18 (5198) [ 96.975838][ T5198] BTRFS info (device loop0): using sha256 (sha256-avx2) checksum algorithm [ 96.984993][ T5198] BTRFS info (device loop0): setting nodatacow, compression disabled [ 96.993142][ T5198] BTRFS info (device loop0): force clearing of disk cache [ 97.000247][ T5198] BTRFS info (device loop0): setting datacow [ 97.006857][ T5198] BTRFS info (device loop0): doing ref verification [ 97.013752][ T5198] BTRFS info (device loop0): disabling free space tree [ 97.020799][ T5198] BTRFS info (device loop0): trying to use backup root at mount time [ 97.028876][ T5198] BTRFS info (device loop0): setting incompat feature flag for COMPRESS_ZSTD (0x10) [ 97.038540][ T5198] BTRFS info (device loop0): use zstd compression, level 3 [ 97.045965][ T5198] BTRFS info (device loop0): force zstd compression, level 3 [ 97.053615][ T5198] BTRFS info (device loop0): has skinny extents [ 97.071742][ T5198] BTRFS info (device loop0): clearing free space tree [ 97.078598][ T5198] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 97.088980][ T4306] Bluetooth: hci0: command 0x0419 tx timeout [ 97.095705][ T5198] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 97.255315][ T5220] loop0: detected capacity change from 0 to 32768 [ 97.303752][ T5220] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.19 (5220) [ 97.319471][ T5220] BTRFS info (device loop0): using sha256 (sha256-avx2) checksum algorithm [ 97.328383][ T5220] BTRFS info (device loop0): setting nodatacow, compression disabled [ 97.336705][ T5220] BTRFS info (device loop0): force clearing of disk cache [ 97.344057][ T5220] BTRFS info (device loop0): setting datacow [ 97.350042][ T5220] BTRFS info (device loop0): doing ref verification [ 97.357280][ T5220] BTRFS info (device loop0): disabling free space tree [ 97.364368][ T5220] BTRFS info (device loop0): trying to use backup root at mount time [ 97.372700][ T5220] BTRFS info (device loop0): setting incompat feature flag for COMPRESS_ZSTD (0x10) [ 97.382486][ T5220] BTRFS info (device loop0): use zstd compression, level 3 [ 97.389752][ T5220] BTRFS info (device loop0): force zstd compression, level 3 [ 97.397402][ T5220] BTRFS info (device loop0): has skinny extents [ 97.414007][ T5220] BTRFS info (device loop0): clearing free space tree [ 97.421929][ T5220] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 97.431615][ T5220] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 97.571934][ T5242] loop0: detected capacity change from 0 to 32768 [ 97.621929][ T5242] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.20 (5242) [ 97.639562][ T5242] BTRFS info (device loop0): using sha256 (sha256-avx2) checksum algorithm [ 97.648525][ T5242] BTRFS info (device loop0): setting nodatacow, compression disabled [ 97.657026][ T5242] BTRFS info (device loop0): force clearing of disk cache [ 97.664594][ T5242] BTRFS info (device loop0): setting datacow [ 97.671128][ T5242] BTRFS info (device loop0): doing ref verification [ 97.677806][ T5242] BTRFS info (device loop0): disabling free space tree [ 97.684905][ T5242] BTRFS info (device loop0): trying to use backup root at mount time [ 97.693505][ T5242] BTRFS info (device loop0): setting incompat feature flag for COMPRESS_ZSTD (0x10) [ 97.703068][ T5242] BTRFS info (device loop0): use zstd compression, level 3 [ 97.710274][ T5242] BTRFS info (device loop0): force zstd compression, level 3 [ 97.717941][ T5242] BTRFS info (device loop0): has skinny extents [ 97.735245][ T5242] BTRFS info (device loop0): clearing free space tree [ 97.742086][ T5242] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 97.751946][ T5242] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 97.909126][ T5264] loop0: detected capacity change from 0 to 32768 [ 97.944435][ T5264] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.21 (5264) [ 97.960101][ T5264] BTRFS info (device loop0): using sha256 (sha256-avx2) checksum algorithm [ 97.969177][ T5264] BTRFS info (device loop0): setting nodatacow, compression disabled [ 97.977764][ T5264] BTRFS info (device loop0): force clearing of disk cache [ 97.985292][ T5264] BTRFS info (device loop0): setting datacow [ 97.991454][ T5264] BTRFS info (device loop0): doing ref verification [ 97.998046][ T5264] BTRFS info (device loop0): disabling free space tree [ 98.005183][ T5264] BTRFS info (device loop0): trying to use backup root at mount time [ 98.013464][ T5264] BTRFS info (device loop0): setting incompat feature flag for COMPRESS_ZSTD (0x10) [ 98.023098][ T5264] BTRFS info (device loop0): use zstd compression, level 3 [ 98.030302][ T5264] BTRFS info (device loop0): force zstd compression, level 3 [ 98.037981][ T5264] BTRFS info (device loop0): has skinny extents [ 98.055204][ T5264] BTRFS info (device loop0): clearing free space tree [ 98.062382][ T5264] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 98.072705][ T5264] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 98.234140][ T5286] loop0: detected capacity change from 0 to 32768 [ 98.271510][ T5286] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.22 (5286) [ 98.287282][ T5286] BTRFS info (device loop0): using sha256 (sha256-avx2) checksum algorithm [ 98.296103][ T5286] BTRFS info (device loop0): setting nodatacow, compression disabled [ 98.459977][ T5307] loop0: detected capacity change from 0 to 32768 [ 98.467584][ T5307] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.23 (5307) [ 98.654454][ T5328] loop0: detected capacity change from 0 to 32768 [ 98.733575][ T5328] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.24 (5328) [ 98.901173][ T5349] loop0: detected capacity change from 0 to 32768 [ 98.962214][ T5349] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.25 (5349) [ 99.129546][ T5370] loop0: detected capacity change from 0 to 32768 [ 99.191546][ T5370] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.26 (5370) [ 99.367498][ T5391] loop0: detected capacity change from 0 to 32768 [ 99.461176][ T5391] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.27 (5391) 2025/10/29 01:09:21 executed programs: 15 [ 99.611669][ T5412] loop0: detected capacity change from 0 to 32768 [ 99.681583][ T5412] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.28 (5412) [ 99.841145][ T5433] loop0: detected capacity change from 0 to 32768 [ 99.950921][ T5433] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.29 (5433) [ 99.966703][ T5433] btrfs_printk: 96 callbacks suppressed [ 99.966713][ T5433] BTRFS info (device loop0): using sha256 (sha256-avx2) checksum algorithm [ 99.981087][ T5433] BTRFS info (device loop0): setting nodatacow, compression disabled [ 99.989185][ T5433] BTRFS info (device loop0): force clearing of disk cache [ 99.996580][ T5433] BTRFS info (device loop0): setting datacow [ 100.002822][ T5433] BTRFS info (device loop0): doing ref verification [ 100.009413][ T5433] BTRFS info (device loop0): disabling free space tree [ 100.016675][ T5433] BTRFS info (device loop0): trying to use backup root at mount time [ 100.024935][ T5433] BTRFS info (device loop0): setting incompat feature flag for COMPRESS_ZSTD (0x10) [ 100.034503][ T5433] BTRFS info (device loop0): use zstd compression, level 3 [ 100.042236][ T5433] BTRFS info (device loop0): force zstd compression, level 3 [ 100.049609][ T5433] BTRFS info (device loop0): has skinny extents [ 100.067117][ T5433] BTRFS info (device loop0): clearing free space tree [ 100.075010][ T5433] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 100.084746][ T5433] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 100.259569][ T5455] loop0: detected capacity change from 0 to 32768 [ 100.351176][ T5455] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.30 (5455) [ 100.366991][ T5455] BTRFS info (device loop0): using sha256 (sha256-avx2) checksum algorithm [ 100.376055][ T5455] BTRFS info (device loop0): setting nodatacow, compression disabled [ 100.384582][ T5455] BTRFS info (device loop0): force clearing of disk cache [ 100.392183][ T5455] BTRFS info (device loop0): setting datacow [ 100.398224][ T5455] BTRFS info (device loop0): doing ref verification [ 100.405474][ T5455] BTRFS info (device loop0): disabling free space tree [ 100.412739][ T5455] BTRFS info (device loop0): trying to use backup root at mount time [ 100.421031][ T5455] BTRFS info (device loop0): setting incompat feature flag for COMPRESS_ZSTD (0x10) [ 100.430765][ T5455] BTRFS info (device loop0): use zstd compression, level 3 [ 100.438002][ T5455] BTRFS info (device loop0): force zstd compression, level 3 [ 100.445630][ T5455] BTRFS info (device loop0): has skinny extents [ 100.462472][ T5455] BTRFS info (device loop0): clearing free space tree [ 100.469322][ T5455] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 100.479189][ T5455] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 100.643128][ T5477] loop0: detected capacity change from 0 to 32768 [ 100.683784][ T5477] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.31 (5477) [ 100.700199][ T5477] BTRFS info (device loop0): using sha256 (sha256-avx2) checksum algorithm [ 100.709020][ T5477] BTRFS info (device loop0): setting nodatacow, compression disabled [ 100.717382][ T5477] BTRFS info (device loop0): force clearing of disk cache [ 100.724886][ T5477] BTRFS info (device loop0): setting datacow [ 100.731320][ T5477] BTRFS info (device loop0): doing ref verification [ 100.737915][ T5477] BTRFS info (device loop0): disabling free space tree [ 100.745143][ T5477] BTRFS info (device loop0): trying to use backup root at mount time [ 100.753445][ T5477] BTRFS info (device loop0): setting incompat feature flag for COMPRESS_ZSTD (0x10) [ 100.763406][ T5477] BTRFS info (device loop0): use zstd compression, level 3 [ 100.770664][ T5477] BTRFS info (device loop0): force zstd compression, level 3 [ 100.778091][ T5477] BTRFS info (device loop0): has skinny extents [ 100.795114][ T5477] BTRFS info (device loop0): clearing free space tree [ 100.802085][ T5477] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 100.812312][ T5477] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 100.943733][ T5499] loop0: detected capacity change from 0 to 32768 [ 100.981461][ T5499] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.32 (5499) [ 100.996794][ T5499] BTRFS info (device loop0): using sha256 (sha256-avx2) checksum algorithm [ 101.005928][ T5499] BTRFS info (device loop0): setting nodatacow, compression disabled [ 101.014449][ T5499] BTRFS info (device loop0): force clearing of disk cache [ 101.022031][ T5499] BTRFS info (device loop0): setting datacow [ 101.028080][ T5499] BTRFS info (device loop0): doing ref verification [ 101.034858][ T5499] BTRFS info (device loop0): disabling free space tree [ 101.050742][ T5499] BTRFS info (device loop0): trying to use backup root at mount time [ 101.058974][ T5499] BTRFS info (device loop0): setting incompat feature flag for COMPRESS_ZSTD (0x10) [ 101.081459][ T5499] BTRFS info (device loop0): use zstd compression, level 3 [ 101.088774][ T5499] BTRFS info (device loop0): force zstd compression, level 3 [ 101.096422][ T5499] BTRFS info (device loop0): has skinny extents [ 101.114644][ T5499] BTRFS info (device loop0): clearing free space tree [ 101.121515][ T5499] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 101.131238][ T5499] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 101.384640][ T5524] loop0: detected capacity change from 0 to 32768 [ 101.434467][ T5524] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.33 (5524) [ 101.450879][ T5524] BTRFS info (device loop0): using sha256 (sha256-avx2) checksum algorithm [ 101.459520][ T5524] BTRFS info (device loop0): setting nodatacow, compression disabled [ 101.468139][ T5524] BTRFS info (device loop0): force clearing of disk cache [ 101.475570][ T5524] BTRFS info (device loop0): setting datacow [ 101.481800][ T5524] BTRFS info (device loop0): doing ref verification [ 101.488391][ T5524] BTRFS info (device loop0): disabling free space tree [ 101.495534][ T5524] BTRFS info (device loop0): trying to use backup root at mount time [ 101.503823][ T5524] BTRFS info (device loop0): setting incompat feature flag for COMPRESS_ZSTD (0x10) [ 101.513398][ T5524] BTRFS info (device loop0): use zstd compression, level 3 [ 101.520662][ T5524] BTRFS info (device loop0): force zstd compression, level 3 [ 101.528043][ T5524] BTRFS info (device loop0): has skinny extents [ 101.544740][ T5524] BTRFS info (device loop0): clearing free space tree [ 101.552572][ T5524] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 101.562470][ T5524] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 101.714427][ T5546] loop0: detected capacity change from 0 to 32768 [ 101.773935][ T5546] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.34 (5546) [ 101.790882][ T5546] BTRFS info (device loop0): using sha256 (sha256-avx2) checksum algorithm [ 101.799532][ T5546] BTRFS info (device loop0): setting nodatacow, compression disabled [ 101.808015][ T5546] BTRFS info (device loop0): force clearing of disk cache [ 101.815501][ T5546] BTRFS info (device loop0): setting datacow [ 101.822021][ T5546] BTRFS info (device loop0): doing ref verification [ 101.828615][ T5546] BTRFS info (device loop0): disabling free space tree [ 101.835767][ T5546] BTRFS info (device loop0): trying to use backup root at mount time [ 101.844089][ T5546] BTRFS info (device loop0): setting incompat feature flag for COMPRESS_ZSTD (0x10) [ 101.853755][ T5546] BTRFS info (device loop0): use zstd compression, level 3 [ 101.861259][ T5546] BTRFS info (device loop0): force zstd compression, level 3 [ 101.868703][ T5546] BTRFS info (device loop0): has skinny extents [ 101.886566][ T5546] BTRFS info (device loop0): clearing free space tree [ 101.893894][ T5546] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 101.903988][ T5546] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 102.050245][ T5568] loop0: detected capacity change from 0 to 32768 [ 102.095712][ T5568] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.35 (5568) [ 102.111617][ T5568] BTRFS info (device loop0): using sha256 (sha256-avx2) checksum algorithm [ 102.120272][ T5568] BTRFS info (device loop0): setting nodatacow, compression disabled [ 102.128881][ T5568] BTRFS info (device loop0): force clearing of disk cache [ 102.136189][ T5568] BTRFS info (device loop0): setting datacow [ 102.142202][ T5568] BTRFS info (device loop0): doing ref verification [ 102.148784][ T5568] BTRFS info (device loop0): disabling free space tree [ 102.155677][ T5568] BTRFS info (device loop0): trying to use backup root at mount time [ 102.163920][ T5568] BTRFS info (device loop0): setting incompat feature flag for COMPRESS_ZSTD (0x10) [ 102.173328][ T5568] BTRFS info (device loop0): use zstd compression, level 3 [ 102.180518][ T5568] BTRFS info (device loop0): force zstd compression, level 3 [ 102.187933][ T5568] BTRFS info (device loop0): has skinny extents [ 102.204725][ T5568] BTRFS info (device loop0): clearing free space tree [ 102.211797][ T5568] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 102.221469][ T5568] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 102.373276][ T5590] loop0: detected capacity change from 0 to 32768 [ 102.406369][ T5590] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.36 (5590) [ 102.422538][ T5590] BTRFS info (device loop0): using sha256 (sha256-avx2) checksum algorithm [ 102.431874][ T5590] BTRFS info (device loop0): setting nodatacow, compression disabled [ 102.590058][ T5611] loop0: detected capacity change from 0 to 32768 [ 102.626774][ T5611] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.37 (5611) [ 102.792599][ T5632] loop0: detected capacity change from 0 to 32768 [ 102.799916][ T5632] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.38 (5632) [ 102.964843][ T5653] loop0: detected capacity change from 0 to 32768 [ 103.033836][ T5653] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.39 (5653) [ 103.196209][ T5674] loop0: detected capacity change from 0 to 32768 [ 103.241741][ T5674] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.40 (5674) [ 103.422043][ T5695] loop0: detected capacity change from 0 to 32768 [ 103.429555][ T5695] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.41 (5695) [ 103.599180][ T5716] loop0: detected capacity change from 0 to 32768 [ 103.611474][ T5716] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.42 (5716) [ 103.782304][ T5737] loop0: detected capacity change from 0 to 32768 [ 103.791891][ T5737] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.43 (5737) [ 103.966692][ T5758] loop0: detected capacity change from 0 to 32768 [ 103.974308][ T5758] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.44 (5758) [ 104.156542][ T5779] loop0: detected capacity change from 0 to 32768 [ 104.196795][ T5779] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.45 (5779) [ 104.388663][ T5800] loop0: detected capacity change from 0 to 32768 [ 104.422899][ T5800] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.46 (5800) [ 104.572345][ T5821] loop0: detected capacity change from 0 to 32768 [ 104.621829][ T5821] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.47 (5821) 2025/10/29 01:09:26 executed programs: 35 [ 104.778881][ T5842] loop0: detected capacity change from 0 to 32768 [ 104.841543][ T5842] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.48 (5842) [ 105.009611][ T5863] loop0: detected capacity change from 0 to 32768 [ 105.022204][ T5863] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.49 (5863) [ 105.036876][ T5863] btrfs_printk: 180 callbacks suppressed [ 105.036888][ T5863] BTRFS info (device loop0): using sha256 (sha256-avx2) checksum algorithm [ 105.051629][ T5863] BTRFS info (device loop0): setting nodatacow, compression disabled [ 105.059806][ T5863] BTRFS info (device loop0): force clearing of disk cache [ 105.066993][ T5863] BTRFS info (device loop0): setting datacow [ 105.073008][ T5863] BTRFS info (device loop0): doing ref verification [ 105.079679][ T5863] BTRFS info (device loop0): disabling free space tree [ 105.086893][ T5863] BTRFS info (device loop0): trying to use backup root at mount time [ 105.095167][ T5863] BTRFS info (device loop0): setting incompat feature flag for COMPRESS_ZSTD (0x10)