Warning: Permanently added '10.128.1.88' (ED25519) to the list of known hosts. 2026/01/07 05:56:11 parsed 1 programs [ 106.217870][ T4604] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 108.430562][ T4310] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 108.438797][ T4310] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 108.461220][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 108.474200][ T154] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 108.483451][ T154] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 108.492797][ T4310] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 109.060236][ T4661] chnl_net:caif_netlink_parms(): no params data found [ 109.117480][ T4661] bridge0: port 1(bridge_slave_0) entered blocking state [ 109.124718][ T4661] bridge0: port 1(bridge_slave_0) entered disabled state [ 109.133258][ T4661] device bridge_slave_0 entered promiscuous mode [ 109.142331][ T4661] bridge0: port 2(bridge_slave_1) entered blocking state [ 109.149781][ T4661] bridge0: port 2(bridge_slave_1) entered disabled state [ 109.158035][ T4661] device bridge_slave_1 entered promiscuous mode [ 109.185664][ T4661] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 109.197255][ T4661] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 109.231962][ T4661] team0: Port device team_slave_0 added [ 109.241192][ T4661] team0: Port device team_slave_1 added [ 109.265432][ T4661] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 109.272567][ T4661] 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. [ 109.299189][ T4661] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 109.311915][ T4661] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 109.318900][ T4661] 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. [ 109.345504][ T4661] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 109.387549][ T4661] device hsr_slave_0 entered promiscuous mode [ 109.394730][ T4661] device hsr_slave_1 entered promiscuous mode [ 110.196073][ T4661] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 110.206599][ T4661] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 110.217898][ T4661] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 110.228670][ T4661] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 110.305623][ T4661] 8021q: adding VLAN 0 to HW filter on device bond0 [ 110.321636][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 110.330565][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 110.342832][ T4661] 8021q: adding VLAN 0 to HW filter on device team0 [ 110.353727][ T4310] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 110.363328][ T4310] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 110.374062][ T4310] bridge0: port 1(bridge_slave_0) entered blocking state [ 110.381333][ T4310] bridge0: port 1(bridge_slave_0) entered forwarding state [ 110.399234][ T4310] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 110.408290][ T4310] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 110.417417][ T4310] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 110.425986][ T4310] bridge0: port 2(bridge_slave_1) entered blocking state [ 110.433745][ T4310] bridge0: port 2(bridge_slave_1) entered forwarding state [ 110.443769][ T4310] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 110.461465][ T4310] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 110.471364][ T4310] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 110.481573][ T4310] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 110.490558][ T4310] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 110.502450][ T4310] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 110.518062][ T4661] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 110.529437][ T4661] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 110.543832][ T4310] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 110.553884][ T4310] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 110.562906][ T4310] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 110.573177][ T4310] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 110.582797][ T4310] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 110.622679][ T4310] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 110.787685][ T4661] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 110.797057][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 110.806573][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 110.829248][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 110.838262][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 110.884989][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 110.893966][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 110.903443][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 110.912655][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 110.923620][ T4661] device veth0_vlan entered promiscuous mode [ 110.963793][ T4661] device veth1_vlan entered promiscuous mode [ 110.988695][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 111.000378][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 111.008719][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 111.019236][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 111.030995][ T4661] device veth0_macvtap entered promiscuous mode [ 111.070517][ T4661] device veth1_macvtap entered promiscuous mode [ 111.090153][ T4661] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 111.100768][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 111.108954][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 111.119159][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 111.130178][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 111.142566][ T4661] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 111.152543][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 111.168680][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 111.180930][ T4661] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 111.191233][ T4661] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 111.200531][ T4661] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 111.209360][ T4661] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 2026/01/07 05:56:21 executed programs: 0 [ 112.212923][ T4766] chnl_net:caif_netlink_parms(): no params data found [ 112.338905][ T4766] bridge0: port 1(bridge_slave_0) entered blocking state [ 112.348755][ T4766] bridge0: port 1(bridge_slave_0) entered disabled state [ 112.359594][ T4766] device bridge_slave_0 entered promiscuous mode [ 112.368190][ T4766] bridge0: port 2(bridge_slave_1) entered blocking state [ 112.377799][ T4766] bridge0: port 2(bridge_slave_1) entered disabled state [ 112.386727][ T4766] device bridge_slave_1 entered promiscuous mode [ 112.420778][ T4766] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 112.438747][ T4766] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 112.506276][ T4766] team0: Port device team_slave_0 added [ 112.520713][ T4766] team0: Port device team_slave_1 added [ 112.569312][ T4766] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 112.576495][ T4766] 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. [ 112.605256][ T4766] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 112.618313][ T4766] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 112.628132][ T4766] 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. [ 112.656809][ T4766] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 112.738537][ T4766] device hsr_slave_0 entered promiscuous mode [ 112.749878][ T4766] device hsr_slave_1 entered promiscuous mode [ 112.756651][ T4766] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 112.779638][ T4766] Cannot create hsr debugfs directory [ 112.943624][ T4766] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 114.079656][ T1107] Bluetooth: hci0: command 0x0409 tx timeout [ 115.775931][ T4766] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 115.849247][ T4766] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 115.918552][ T4766] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 116.078660][ T4766] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 116.101593][ T4766] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 116.111561][ T4766] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 116.122264][ T4766] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 116.163327][ T4262] Bluetooth: hci0: command 0x041b tx timeout [ 116.196735][ T4766] 8021q: adding VLAN 0 to HW filter on device bond0 [ 116.224249][ T4766] 8021q: adding VLAN 0 to HW filter on device team0 [ 116.234470][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 116.243574][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 116.280069][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 116.289367][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 116.302491][ T154] bridge0: port 1(bridge_slave_0) entered blocking state [ 116.309781][ T154] bridge0: port 1(bridge_slave_0) entered forwarding state [ 116.320401][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 116.332542][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 116.341327][ T154] bridge0: port 2(bridge_slave_1) entered blocking state [ 116.348509][ T154] bridge0: port 2(bridge_slave_1) entered forwarding state [ 116.360053][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 116.369398][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 116.381267][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 116.392845][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 116.430429][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 116.438786][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 116.447595][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 116.457641][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 116.467516][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 116.476827][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 116.486003][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 116.495315][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 116.507226][ T4766] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 116.658188][ T323] device hsr_slave_0 left promiscuous mode [ 116.666047][ T323] device hsr_slave_1 left promiscuous mode [ 116.675414][ T323] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 116.683605][ T323] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 116.694479][ T323] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 116.702782][ T323] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 116.714145][ T323] device bridge_slave_1 left promiscuous mode [ 116.721075][ T323] bridge0: port 2(bridge_slave_1) entered disabled state [ 116.733680][ T323] device bridge_slave_0 left promiscuous mode [ 116.740262][ T323] bridge0: port 1(bridge_slave_0) entered disabled state [ 116.754457][ T323] device veth1_macvtap left promiscuous mode [ 116.763072][ T323] device veth0_macvtap left promiscuous mode [ 116.769184][ T323] device veth1_vlan left promiscuous mode [ 116.775647][ T323] device veth0_vlan left promiscuous mode [ 116.928797][ T323] team0 (unregistering): Port device team_slave_1 removed [ 116.942242][ T323] team0 (unregistering): Port device team_slave_0 removed [ 116.954454][ T323] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 116.967843][ T323] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 117.022145][ T323] bond0 (unregistering): Released all slaves [ 117.065747][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 117.073664][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 117.090234][ T4766] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 117.112940][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 117.122643][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 117.143511][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 117.155593][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 117.168222][ T4766] device veth0_vlan entered promiscuous mode [ 117.178111][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 117.186756][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 117.201859][ T4766] device veth1_vlan entered promiscuous mode [ 117.251531][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 117.262926][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 117.277677][ T4766] device veth0_macvtap entered promiscuous mode [ 117.288824][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 117.298286][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 117.309253][ T4766] device veth1_macvtap entered promiscuous mode [ 117.328128][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 117.337364][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 117.371455][ T4766] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 117.378867][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 117.388627][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 117.404554][ T4766] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 117.414369][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 117.424303][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 117.435232][ T4766] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 117.452558][ T4766] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 117.462148][ T4766] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 117.471564][ T4766] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 117.559425][ T154] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 117.567586][ T154] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 117.604936][ T1235] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 117.624762][ T1235] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 2026/01/07 05:56:27 executed programs: 2 [ 117.650780][ T1235] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 117.660335][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 118.208635][ T5022] loop0: detected capacity change from 0 to 32768 [ 118.239592][ T4260] Bluetooth: hci0: command 0x040f tx timeout [ 118.255836][ T5022] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.15 (5022) [ 118.319996][ T5022] BTRFS info (device loop0): using sha256 (sha256-avx2) checksum algorithm [ 118.328946][ T5022] BTRFS info (device loop0): setting nodatacow, compression disabled [ 118.340883][ T5022] BTRFS info (device loop0): force clearing of disk cache [ 118.348062][ T5022] BTRFS info (device loop0): setting datacow [ 118.364112][ T5022] BTRFS info (device loop0): doing ref verification [ 118.391283][ T5022] BTRFS info (device loop0): disabling free space tree [ 118.398318][ T5022] BTRFS info (device loop0): trying to use backup root at mount time [ 118.409942][ T5022] BTRFS info (device loop0): setting incompat feature flag for COMPRESS_ZSTD (0x10) [ 118.439587][ T5022] BTRFS info (device loop0): use zstd compression, level 3 [ 118.446980][ T5022] BTRFS info (device loop0): force zstd compression, level 3 [ 118.480933][ T5022] BTRFS info (device loop0): has skinny extents [ 118.610620][ T5022] BTRFS info (device loop0): clearing free space tree [ 118.619429][ T5022] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 118.630920][ T5022] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 118.688028][ T5022] [ 118.690413][ T5022] ====================================================== [ 118.698013][ T5022] WARNING: possible circular locking dependency detected [ 118.705063][ T5022] syzkaller #0 Not tainted [ 118.709509][ T5022] ------------------------------------------------------ [ 118.716580][ T5022] syz.0.15/5022 is trying to acquire lock: [ 118.722669][ T5022] ffff88807d4ee650 (sb_internal#2){.+.+}-{0:0}, at: btrfs_dirty_inode+0xc5/0x1c0 [ 118.731959][ T5022] [ 118.731959][ T5022] but task is already holding lock: [ 118.739367][ T5022] ffff8880613a8fe0 (&type->i_mutex_dir_key#8){++++}-{3:3}, at: chown_common+0x3c6/0x610 [ 118.749172][ T5022] [ 118.749172][ T5022] which lock already depends on the new lock. [ 118.749172][ T5022] [ 118.759597][ T5022] [ 118.759597][ T5022] the existing dependency chain (in reverse order) is: [ 118.768759][ T5022] [ 118.768759][ T5022] -> #3 (&type->i_mutex_dir_key#8){++++}-{3:3}: [ 118.777236][ T5022] down_read+0x44/0x2e0 [ 118.782110][ T5022] lookup_slow+0x46/0x70 [ 118.786955][ T5022] walk_component+0x319/0x460 [ 118.792431][ T5022] path_lookupat+0x169/0x440 [ 118.797589][ T5022] filename_lookup+0x1e2/0x4f0 [ 118.802919][ T5022] kern_path+0x37/0x190 [ 118.807651][ T5022] lookup_bdev+0xbd/0x270 [ 118.812541][ T5022] btrfs_free_stale_devices+0x6db/0xa60 [ 118.818743][ T5022] btrfs_forget_devices+0x52/0x80 [ 118.824327][ T5022] btrfs_control_ioctl+0x104/0x220 [ 118.830029][ T5022] __se_sys_ioctl+0xfa/0x170 [ 118.835184][ T5022] do_syscall_64+0x4c/0xa0 [ 118.840169][ T5022] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 118.846633][ T5022] [ 118.846633][ T5022] -> #2 (&fs_devs->device_list_mutex){+.+.}-{3:3}: [ 118.855572][ T5022] __mutex_lock_common+0x1eb/0x2390 [ 118.861332][ T5022] mutex_lock_nested+0x17/0x20 [ 118.866651][ T5022] btrfs_run_dev_stats+0xdf/0xdf0 [ 118.872244][ T5022] commit_cowonly_roots+0x17e/0x9c0 [ 118.878106][ T5022] btrfs_commit_transaction+0x1229/0x3440 [ 118.884554][ T5022] btrfs_clear_free_space_tree+0x786/0xbf0 [ 118.890928][ T5022] btrfs_start_pre_rw_mount+0x287/0x630 [ 118.897164][ T5022] open_ctree+0x2878/0x3250 [ 118.902451][ T5022] btrfs_fill_super+0x1c2/0x2e0 [ 118.907865][ T5022] btrfs_mount_root+0x857/0x8c0 [ 118.913280][ T5022] legacy_get_tree+0xe6/0x180 [ 118.918802][ T5022] vfs_get_tree+0x88/0x270 [ 118.924359][ T5022] vfs_kern_mount+0xba/0x150 [ 118.929773][ T5022] btrfs_mount+0x2d7/0xa50 [ 118.934838][ T5022] legacy_get_tree+0xe6/0x180 [ 118.940149][ T5022] vfs_get_tree+0x88/0x270 [ 118.945289][ T5022] do_new_mount+0x24a/0xa40 [ 118.950337][ T5022] __se_sys_mount+0x2d6/0x3c0 [ 118.955561][ T5022] do_syscall_64+0x4c/0xa0 [ 118.960533][ T5022] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 118.967281][ T5022] [ 118.967281][ T5022] -> #1 (&fs_info->tree_log_mutex){+.+.}-{3:3}: [ 118.975751][ T5022] lock_release+0x31a/0x870 [ 118.981055][ T5022] __mutex_unlock_slowpath+0xb3/0x6a0 [ 118.987171][ T5022] btrfs_commit_transaction+0x1c11/0x3440 [ 118.993475][ T5022] btrfs_clear_free_space_tree+0x786/0xbf0 [ 118.999839][ T5022] btrfs_start_pre_rw_mount+0x287/0x630 [ 119.005939][ T5022] open_ctree+0x2878/0x3250 [ 119.011086][ T5022] btrfs_fill_super+0x1c2/0x2e0 [ 119.016568][ T5022] btrfs_mount_root+0x857/0x8c0 [ 119.021967][ T5022] legacy_get_tree+0xe6/0x180 [ 119.027238][ T5022] vfs_get_tree+0x88/0x270 [ 119.032303][ T5022] vfs_kern_mount+0xba/0x150 [ 119.037640][ T5022] btrfs_mount+0x2d7/0xa50 [ 119.042789][ T5022] legacy_get_tree+0xe6/0x180 [ 119.048058][ T5022] vfs_get_tree+0x88/0x270 [ 119.053137][ T5022] do_new_mount+0x24a/0xa40 [ 119.058245][ T5022] __se_sys_mount+0x2d6/0x3c0 [ 119.063656][ T5022] do_syscall_64+0x4c/0xa0 [ 119.068626][ T5022] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 119.075333][ T5022] [ 119.075333][ T5022] -> #0 (sb_internal#2){.+.+}-{0:0}: [ 119.082942][ T5022] __lock_acquire+0x2c33/0x7c60 [ 119.088359][ T5022] lock_acquire+0x197/0x3f0 [ 119.093422][ T5022] start_transaction+0x5bc/0x1130 [ 119.099015][ T5022] btrfs_dirty_inode+0xc5/0x1c0 [ 119.104507][ T5022] btrfs_setattr+0x23e/0xe60 [ 119.109773][ T5022] notify_change+0xbcd/0xee0 [ 119.114929][ T5022] chown_common+0x483/0x610 [ 119.120047][ T5022] do_fchownat+0x164/0x270 [ 119.125013][ T5022] __x64_sys_lchown+0x81/0x90 [ 119.130415][ T5022] do_syscall_64+0x4c/0xa0 [ 119.135585][ T5022] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 119.142035][ T5022] [ 119.142035][ T5022] other info that might help us debug this: [ 119.142035][ T5022] [ 119.152699][ T5022] Chain exists of: [ 119.152699][ T5022] sb_internal#2 --> &fs_devs->device_list_mutex --> &type->i_mutex_dir_key#8 [ 119.152699][ T5022] [ 119.167439][ T5022] Possible unsafe locking scenario: [ 119.167439][ T5022] [ 119.175195][ T5022] CPU0 CPU1 [ 119.180596][ T5022] ---- ---- [ 119.186069][ T5022] lock(&type->i_mutex_dir_key#8); [ 119.191307][ T5022] lock(&fs_devs->device_list_mutex); [ 119.199309][ T5022] lock(&type->i_mutex_dir_key#8); [ 119.207170][ T5022] lock(sb_internal#2); [ 119.211448][ T5022] [ 119.211448][ T5022] *** DEADLOCK *** [ 119.211448][ T5022] [ 119.219606][ T5022] 2 locks held by syz.0.15/5022: [ 119.224559][ T5022] #0: ffff88807d4ee460 (sb_writers#13){.+.+}-{0:0}, at: mnt_want_write+0x3d/0x90 [ 119.233838][ T5022] #1: ffff8880613a8fe0 (&type->i_mutex_dir_key#8){++++}-{3:3}, at: chown_common+0x3c6/0x610 [ 119.244082][ T5022] [ 119.244082][ T5022] stack backtrace: [ 119.250084][ T5022] CPU: 0 PID: 5022 Comm: syz.0.15 Not tainted syzkaller #0 [ 119.257396][ T5022] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 119.267854][ T5022] Call Trace: [ 119.271363][ T5022] [ 119.274422][ T5022] dump_stack_lvl+0x168/0x230 [ 119.279426][ T5022] ? load_image+0x3b0/0x3b0 [ 119.284066][ T5022] ? show_regs_print_info+0x20/0x20 [ 119.289356][ T5022] ? print_circular_bug+0x12b/0x1a0 [ 119.294604][ T5022] check_noncircular+0x274/0x310 [ 119.299721][ T5022] ? add_chain_block+0x940/0x940 [ 119.304706][ T5022] ? lockdep_lock+0xdc/0x1e0 [ 119.309337][ T5022] ? _raw_spin_unlock_irqrestore+0x82/0x100 [ 119.315254][ T5022] ? lockdep_hardirqs_on+0x94/0x140 [ 119.320564][ T5022] ? mark_lock+0x94/0x320 [ 119.325109][ T5022] __lock_acquire+0x2c33/0x7c60 [ 119.330083][ T5022] ? __kasan_slab_alloc+0xb3/0xd0 [ 119.335262][ T5022] ? kmem_cache_alloc+0x100/0x290 [ 119.340707][ T5022] ? btrfs_dirty_inode+0xc5/0x1c0 [ 119.345748][ T5022] ? notify_change+0xbcd/0xee0 [ 119.350869][ T5022] ? chown_common+0x483/0x610 [ 119.355710][ T5022] ? do_fchownat+0x164/0x270 [ 119.360528][ T5022] ? do_syscall_64+0x4c/0xa0 [ 119.365261][ T5022] ? entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 119.371354][ T5022] ? verify_lock_unused+0x140/0x140 [ 119.376762][ T5022] lock_acquire+0x197/0x3f0 [ 119.381470][ T5022] ? btrfs_dirty_inode+0xc5/0x1c0 [ 119.386524][ T5022] ? __might_sleep+0xf0/0xf0 [ 119.391213][ T5022] ? read_lock_is_recursive+0x10/0x10 [ 119.396609][ T5022] ? start_transaction+0x4d7/0x1130 [ 119.401822][ T5022] ? rcu_is_watching+0x11/0xa0 [ 119.406739][ T5022] ? start_transaction+0x4d7/0x1130 [ 119.411979][ T5022] ? kmem_cache_alloc+0x133/0x290 [ 119.417053][ T5022] start_transaction+0x5bc/0x1130 [ 119.422148][ T5022] ? btrfs_dirty_inode+0xc5/0x1c0 [ 119.427205][ T5022] btrfs_dirty_inode+0xc5/0x1c0 [ 119.432117][ T5022] btrfs_setattr+0x23e/0xe60 [ 119.436756][ T5022] ? make_kgid+0x640/0x640 [ 119.441319][ T5022] ? evm_inode_setattr+0x87/0x590 [ 119.446382][ T5022] ? bpf_lsm_inode_setattr+0x5/0x10 [ 119.451593][ T5022] ? btrfs_permission+0x1d0/0x1d0 [ 119.456639][ T5022] notify_change+0xbcd/0xee0 [ 119.461252][ T5022] chown_common+0x483/0x610 [ 119.465783][ T5022] ? __ia32_sys_chmod+0x70/0x70 [ 119.470930][ T5022] ? rcu_read_lock_any_held+0xb0/0x120 [ 119.476453][ T5022] ? __mnt_want_write+0x1e2/0x260 [ 119.481618][ T5022] do_fchownat+0x164/0x270 [ 119.486056][ T5022] ? chown_common+0x610/0x610 [ 119.490757][ T5022] __x64_sys_lchown+0x81/0x90 [ 119.495454][ T5022] do_syscall_64+0x4c/0xa0 [ 119.499893][ T5022] ? clear_bhb_loop+0x30/0x80 [ 119.504583][ T5022] ? clear_bhb_loop+0x30/0x80 [ 119.509277][ T5022] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 119.515320][ T5022] RIP: 0033:0x7f3eaa45bed9 [ 119.519769][ T5022] 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 [ 119.539502][ T5022] RSP: 002b:00007f3ea96da058 EFLAGS: 00000246 ORIG_RAX: 000000000000005e [ 119.547934][ T5022] RAX: ffffffffffffffda RBX: 00007f3eaa621fa0 RCX: 00007f3eaa45bed9 [ 119.556020][ T5022] RDX: 0000000000000000 RSI: 000000000000ee00 RDI: 0000000020000000 [ 119.564277][ T5022] RBP: 00007f3eaa4cfcc8 R08: 0000000000000000 R09: 0000000000000000 [ 119.572713][ T5022] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 119.580925][ T5022] R13: 0000000000000000 R14: 00007f3eaa621fa0 R15: 00007ffd4e53ba98 [ 119.588977][ T5022] [ 119.829247][ T5070] loop0: detected capacity change from 0 to 32768 [ 119.883264][ T5070] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.16 (5070) [ 119.899534][ T5070] BTRFS info (device loop0): using sha256 (sha256-avx2) checksum algorithm [ 119.908607][ T5070] BTRFS info (device loop0): setting nodatacow, compression disabled [ 119.917340][ T5070] BTRFS info (device loop0): force clearing of disk cache [ 119.925397][ T5070] BTRFS info (device loop0): setting datacow [ 119.931610][ T5070] BTRFS info (device loop0): doing ref verification [ 119.938243][ T5070] BTRFS info (device loop0): disabling free space tree [ 119.945362][ T5070] BTRFS info (device loop0): trying to use backup root at mount time [ 119.953596][ T5070] BTRFS info (device loop0): setting incompat feature flag for COMPRESS_ZSTD (0x10) [ 119.963114][ T5070] BTRFS info (device loop0): use zstd compression, level 3 [ 119.970829][ T5070] BTRFS info (device loop0): force zstd compression, level 3 [ 119.978451][ T5070] BTRFS info (device loop0): has skinny extents [ 119.997913][ T5070] BTRFS info (device loop0): clearing free space tree [ 120.005057][ T5070] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 120.015295][ T5070] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 120.207460][ T5091] loop0: detected capacity change from 0 to 32768 [ 120.264344][ T5091] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.17 (5091) [ 120.279626][ T5091] BTRFS info (device loop0): using sha256 (sha256-avx2) checksum algorithm [ 120.288407][ T5091] BTRFS info (device loop0): setting nodatacow, compression disabled [ 120.297220][ T5091] BTRFS info (device loop0): force clearing of disk cache [ 120.305870][ T5091] BTRFS info (device loop0): setting datacow [ 120.312532][ T5091] BTRFS info (device loop0): doing ref verification [ 120.320047][ T4260] Bluetooth: hci0: command 0x0419 tx timeout [ 120.326217][ T5091] BTRFS info (device loop0): disabling free space tree [ 120.333784][ T5091] BTRFS info (device loop0): trying to use backup root at mount time [ 120.342610][ T5091] BTRFS info (device loop0): setting incompat feature flag for COMPRESS_ZSTD (0x10) [ 120.352723][ T5091] BTRFS info (device loop0): use zstd compression, level 3 [ 120.360564][ T5091] BTRFS info (device loop0): force zstd compression, level 3 [ 120.368742][ T5091] BTRFS info (device loop0): has skinny extents [ 120.388376][ T5091] BTRFS info (device loop0): clearing free space tree [ 120.395811][ T5091] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 120.406086][ T5091] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 120.605046][ T5112] loop0: detected capacity change from 0 to 32768 [ 120.666550][ T5112] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.18 (5112) [ 120.682163][ T5112] BTRFS info (device loop0): using sha256 (sha256-avx2) checksum algorithm [ 120.691673][ T5112] BTRFS info (device loop0): setting nodatacow, compression disabled [ 120.700436][ T5112] BTRFS info (device loop0): force clearing of disk cache [ 120.707663][ T5112] BTRFS info (device loop0): setting datacow [ 120.714159][ T5112] BTRFS info (device loop0): doing ref verification [ 120.721355][ T5112] BTRFS info (device loop0): disabling free space tree [ 120.728262][ T5112] BTRFS info (device loop0): trying to use backup root at mount time [ 120.736923][ T5112] BTRFS info (device loop0): setting incompat feature flag for COMPRESS_ZSTD (0x10) [ 120.746636][ T5112] BTRFS info (device loop0): use zstd compression, level 3 [ 120.754040][ T5112] BTRFS info (device loop0): force zstd compression, level 3 [ 120.761829][ T5112] BTRFS info (device loop0): has skinny extents [ 120.780675][ T5112] BTRFS info (device loop0): clearing free space tree [ 120.787627][ T5112] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 120.798529][ T5112] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 120.988034][ T5133] loop0: detected capacity change from 0 to 32768 [ 121.037677][ T5133] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.19 (5133) [ 121.054172][ T5133] BTRFS info (device loop0): using sha256 (sha256-avx2) checksum algorithm [ 121.063411][ T5133] BTRFS info (device loop0): setting nodatacow, compression disabled [ 121.072238][ T5133] BTRFS info (device loop0): force clearing of disk cache [ 121.079817][ T5133] BTRFS info (device loop0): setting datacow [ 121.085870][ T5133] BTRFS info (device loop0): doing ref verification [ 121.093017][ T5133] BTRFS info (device loop0): disabling free space tree [ 121.100182][ T5133] BTRFS info (device loop0): trying to use backup root at mount time [ 121.108373][ T5133] BTRFS info (device loop0): setting incompat feature flag for COMPRESS_ZSTD (0x10) [ 121.119003][ T5133] BTRFS info (device loop0): use zstd compression, level 3 [ 121.126849][ T5133] BTRFS info (device loop0): force zstd compression, level 3 [ 121.135167][ T5133] BTRFS info (device loop0): has skinny extents [ 121.153947][ T5133] BTRFS info (device loop0): clearing free space tree [ 121.161033][ T5133] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 121.170866][ T5133] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 121.370071][ T5154] loop0: detected capacity change from 0 to 32768 [ 121.416665][ T5154] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.20 (5154) [ 121.433749][ T5154] BTRFS info (device loop0): using sha256 (sha256-avx2) checksum algorithm [ 121.443251][ T5154] BTRFS info (device loop0): setting nodatacow, compression disabled [ 121.451703][ T5154] BTRFS info (device loop0): force clearing of disk cache [ 121.459160][ T5154] BTRFS info (device loop0): setting datacow [ 121.466159][ T5154] BTRFS info (device loop0): doing ref verification [ 121.473176][ T5154] BTRFS info (device loop0): disabling free space tree [ 121.480168][ T5154] BTRFS info (device loop0): trying to use backup root at mount time [ 121.488442][ T5154] BTRFS info (device loop0): setting incompat feature flag for COMPRESS_ZSTD (0x10) [ 121.498262][ T5154] BTRFS info (device loop0): use zstd compression, level 3 [ 121.505595][ T5154] BTRFS info (device loop0): force zstd compression, level 3 [ 121.513688][ T5154] BTRFS info (device loop0): has skinny extents [ 121.534080][ T5154] BTRFS info (device loop0): clearing free space tree [ 121.541069][ T5154] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 121.551028][ T5154] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 121.751773][ T5175] loop0: detected capacity change from 0 to 32768 [ 121.807402][ T5175] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.21 (5175) [ 121.823101][ T5175] BTRFS info (device loop0): using sha256 (sha256-avx2) checksum algorithm [ 121.831885][ T5175] BTRFS info (device loop0): setting nodatacow, compression disabled [ 121.840414][ T5175] BTRFS info (device loop0): force clearing of disk cache [ 121.847741][ T5175] BTRFS info (device loop0): setting datacow [ 121.854018][ T5175] BTRFS info (device loop0): doing ref verification [ 121.860865][ T5175] BTRFS info (device loop0): disabling free space tree [ 121.867778][ T5175] BTRFS info (device loop0): trying to use backup root at mount time [ 121.876093][ T5175] BTRFS info (device loop0): setting incompat feature flag for COMPRESS_ZSTD (0x10) [ 121.885712][ T5175] BTRFS info (device loop0): use zstd compression, level 3 [ 121.893353][ T5175] BTRFS info (device loop0): force zstd compression, level 3 [ 121.901113][ T5175] BTRFS info (device loop0): has skinny extents [ 121.920945][ T5175] BTRFS info (device loop0): clearing free space tree [ 121.927884][ T5175] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 121.938009][ T5175] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 122.138500][ T5196] loop0: detected capacity change from 0 to 32768 [ 122.183254][ T5196] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.22 (5196) [ 122.197788][ T5196] BTRFS info (device loop0): using sha256 (sha256-avx2) checksum algorithm [ 122.208583][ T5196] BTRFS info (device loop0): setting nodatacow, compression disabled [ 122.405157][ T5217] loop0: detected capacity change from 0 to 32768 [ 122.490477][ T5217] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.23 (5217) [ 122.741007][ T5238] loop0: detected capacity change from 0 to 32768 [ 122.801207][ T5238] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.24 (5238) 2026/01/07 05:56:32 executed programs: 12 [ 123.013414][ T5259] loop0: detected capacity change from 0 to 32768 [ 123.061330][ T5259] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.25 (5259) [ 123.398267][ T5291] loop0: detected capacity change from 0 to 32768 [ 123.406223][ T5291] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.26 (5291) [ 123.424355][ T5291] btrfs_printk: 54 callbacks suppressed [ 123.424371][ T5291] BTRFS info (device loop0): using sha256 (sha256-avx2) checksum algorithm [ 123.438949][ T5291] BTRFS info (device loop0): setting nodatacow, compression disabled [ 123.447517][ T5291] BTRFS info (device loop0): force clearing of disk cache [ 123.454991][ T5291] BTRFS info (device loop0): setting datacow [ 123.461048][ T5291] BTRFS info (device loop0): doing ref verification [ 123.467714][ T5291] BTRFS info (device loop0): disabling free space tree [ 123.474917][ T5291] BTRFS info (device loop0): trying to use backup root at mount time [ 123.483711][ T5291] BTRFS info (device loop0): setting incompat feature flag for COMPRESS_ZSTD (0x10) [ 123.493575][ T5291] BTRFS info (device loop0): use zstd compression, level 3 [ 123.501063][ T5291] BTRFS info (device loop0): force zstd compression, level 3 [ 123.509028][ T5291] BTRFS info (device loop0): has skinny extents [ 123.528934][ T5291] BTRFS info (device loop0): clearing free space tree [ 123.536439][ T5291] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 123.546877][ T5291] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 123.736207][ T5312] loop0: detected capacity change from 0 to 32768 [ 123.800665][ T5312] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.27 (5312) [ 123.817182][ T5312] BTRFS info (device loop0): using sha256 (sha256-avx2) checksum algorithm [ 123.828835][ T5312] BTRFS info (device loop0): setting nodatacow, compression disabled [ 123.837665][ T5312] BTRFS info (device loop0): force clearing of disk cache [ 123.845285][ T5312] BTRFS info (device loop0): setting datacow [ 123.851733][ T5312] BTRFS info (device loop0): doing ref verification [ 123.858365][ T5312] BTRFS info (device loop0): disabling free space tree [ 123.865582][ T5312] BTRFS info (device loop0): trying to use backup root at mount time [ 123.874088][ T5312] BTRFS info (device loop0): setting incompat feature flag for COMPRESS_ZSTD (0x10) [ 123.883820][ T5312] BTRFS info (device loop0): use zstd compression, level 3 [ 123.891106][ T5312] BTRFS info (device loop0): force zstd compression, level 3 [ 123.898552][ T5312] BTRFS info (device loop0): has skinny extents [ 123.918268][ T5312] BTRFS info (device loop0): clearing free space tree [ 123.925384][ T5312] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 123.935616][ T5312] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 124.121936][ T5333] loop0: detected capacity change from 0 to 32768 [ 124.177097][ T5333] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.28 (5333) [ 124.193561][ T5333] BTRFS info (device loop0): using sha256 (sha256-avx2) checksum algorithm [ 124.202327][ T5333] BTRFS info (device loop0): setting nodatacow, compression disabled [ 124.210834][ T5333] BTRFS info (device loop0): force clearing of disk cache [ 124.218249][ T5333] BTRFS info (device loop0): setting datacow [ 124.224370][ T5333] BTRFS info (device loop0): doing ref verification [ 124.231293][ T5333] BTRFS info (device loop0): disabling free space tree [ 124.238190][ T5333] BTRFS info (device loop0): trying to use backup root at mount time [ 124.246442][ T5333] BTRFS info (device loop0): setting incompat feature flag for COMPRESS_ZSTD (0x10) [ 124.256062][ T5333] BTRFS info (device loop0): use zstd compression, level 3 [ 124.263763][ T5333] BTRFS info (device loop0): force zstd compression, level 3 [ 124.271437][ T5333] BTRFS info (device loop0): has skinny extents [ 124.291215][ T5333] BTRFS info (device loop0): clearing free space tree [ 124.298722][ T5333] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 124.308902][ T5333] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 124.502018][ T5354] loop0: detected capacity change from 0 to 32768 [ 124.511051][ T5354] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.29 (5354) [ 124.526931][ T5354] BTRFS info (device loop0): using sha256 (sha256-avx2) checksum algorithm [ 124.535699][ T5354] BTRFS info (device loop0): setting nodatacow, compression disabled [ 124.544200][ T5354] BTRFS info (device loop0): force clearing of disk cache [ 124.551461][ T5354] BTRFS info (device loop0): setting datacow [ 124.557671][ T5354] BTRFS info (device loop0): doing ref verification [ 124.564853][ T5354] BTRFS info (device loop0): disabling free space tree [ 124.572092][ T5354] BTRFS info (device loop0): trying to use backup root at mount time [ 124.580715][ T5354] BTRFS info (device loop0): setting incompat feature flag for COMPRESS_ZSTD (0x10) [ 124.590204][ T5354] BTRFS info (device loop0): use zstd compression, level 3 [ 124.597455][ T5354] BTRFS info (device loop0): force zstd compression, level 3 [ 124.605273][ T5354] BTRFS info (device loop0): has skinny extents [ 124.625048][ T5354] BTRFS info (device loop0): clearing free space tree [ 124.632340][ T5354] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 124.642916][ T5354] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 124.853079][ T5375] loop0: detected capacity change from 0 to 32768 [ 124.893165][ T5375] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.30 (5375) [ 124.910604][ T5375] BTRFS info (device loop0): using sha256 (sha256-avx2) checksum algorithm [ 124.919562][ T5375] BTRFS info (device loop0): setting nodatacow, compression disabled [ 124.928072][ T5375] BTRFS info (device loop0): force clearing of disk cache [ 124.935809][ T5375] BTRFS info (device loop0): setting datacow [ 124.942102][ T5375] BTRFS info (device loop0): doing ref verification [ 124.949000][ T5375] BTRFS info (device loop0): disabling free space tree [ 124.956154][ T5375] BTRFS info (device loop0): trying to use backup root at mount time [ 124.964702][ T5375] BTRFS info (device loop0): setting incompat feature flag for COMPRESS_ZSTD (0x10) [ 124.974160][ T5375] BTRFS info (device loop0): use zstd compression, level 3 [ 124.981551][ T5375] BTRFS info (device loop0): force zstd compression, level 3 [ 124.988968][ T5375] BTRFS info (device loop0): has skinny extents [ 125.008130][ T5375] BTRFS info (device loop0): clearing free space tree [ 125.015390][ T5375] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 125.025252][ T5375] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 125.213860][ T5396] loop0: detected capacity change from 0 to 32768 [ 125.310531][ T5396] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.31 (5396) [ 125.363528][ T5396] BTRFS info (device loop0): using sha256 (sha256-avx2) checksum algorithm [ 125.373251][ T5396] BTRFS info (device loop0): setting nodatacow, compression disabled [ 125.381698][ T5396] BTRFS info (device loop0): force clearing of disk cache [ 125.389619][ T5396] BTRFS info (device loop0): setting datacow [ 125.395731][ T5396] BTRFS info (device loop0): doing ref verification [ 125.403216][ T5396] BTRFS info (device loop0): disabling free space tree [ 125.410518][ T5396] BTRFS info (device loop0): trying to use backup root at mount time [ 125.418759][ T5396] BTRFS info (device loop0): setting incompat feature flag for COMPRESS_ZSTD (0x10) [ 125.428344][ T5396] BTRFS info (device loop0): use zstd compression, level 3 [ 125.435653][ T5396] BTRFS info (device loop0): force zstd compression, level 3 [ 125.443101][ T5396] BTRFS info (device loop0): has skinny extents [ 125.462482][ T5396] BTRFS info (device loop0): clearing free space tree [ 125.469441][ T5396] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 125.479566][ T5396] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 125.671076][ T5417] loop0: detected capacity change from 0 to 32768 [ 125.720634][ T5417] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.32 (5417) [ 125.735790][ T5417] BTRFS info (device loop0): using sha256 (sha256-avx2) checksum algorithm [ 125.744895][ T5417] BTRFS info (device loop0): setting nodatacow, compression disabled [ 125.753236][ T5417] BTRFS info (device loop0): force clearing of disk cache [ 125.760718][ T5417] BTRFS info (device loop0): setting datacow [ 125.766751][ T5417] BTRFS info (device loop0): doing ref verification [ 125.773852][ T5417] BTRFS info (device loop0): disabling free space tree [ 125.781116][ T5417] BTRFS info (device loop0): trying to use backup root at mount time [ 125.789302][ T5417] BTRFS info (device loop0): setting incompat feature flag for COMPRESS_ZSTD (0x10) [ 125.798936][ T5417] BTRFS info (device loop0): use zstd compression, level 3 [ 125.806245][ T5417] BTRFS info (device loop0): force zstd compression, level 3 [ 125.813848][ T5417] BTRFS info (device loop0): has skinny extents [ 125.833324][ T5417] BTRFS info (device loop0): clearing free space tree [ 125.843069][ T5417] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 125.853084][ T5417] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 126.049380][ T5438] loop0: detected capacity change from 0 to 32768 [ 126.095852][ T5438] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.33 (5438) [ 126.111387][ T5438] BTRFS info (device loop0): using sha256 (sha256-avx2) checksum algorithm [ 126.120181][ T5438] BTRFS info (device loop0): setting nodatacow, compression disabled [ 126.319554][ T5459] loop0: detected capacity change from 0 to 32768 [ 126.330213][ T5459] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.34 (5459) [ 126.536328][ T5480] loop0: detected capacity change from 0 to 32768 [ 126.610655][ T5480] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.35 (5480) [ 126.872071][ T5501] loop0: detected capacity change from 0 to 32768 [ 126.949981][ T5501] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.36 (5501) [ 127.197201][ T5522] loop0: detected capacity change from 0 to 32768 [ 127.269936][ T5522] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.37 (5522) [ 127.515787][ T5543] loop0: detected capacity change from 0 to 32768 [ 127.589925][ T5543] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.38 (5543) [ 127.853155][ T5564] loop0: detected capacity change from 0 to 32768 [ 127.861913][ T5564] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.39 (5564) 2026/01/07 05:56:37 executed programs: 27 [ 128.066172][ T5585] loop0: detected capacity change from 0 to 32768 [ 128.149948][ T5585] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.40 (5585) [ 128.416617][ T5606] loop0: detected capacity change from 0 to 32768 [ 128.481206][ T5606] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.41 (5606) [ 128.496165][ T5606] btrfs_printk: 110 callbacks suppressed [ 128.496180][ T5606] BTRFS info (device loop0): using sha256 (sha256-avx2) checksum algorithm [ 128.510912][ T5606] BTRFS info (device loop0): setting nodatacow, compression disabled [ 128.519274][ T5606] BTRFS info (device loop0): force clearing of disk cache [ 128.527014][ T5606] BTRFS info (device loop0): setting datacow [ 128.533996][ T5606] BTRFS info (device loop0): doing ref verification [ 128.541017][ T5606] BTRFS info (device loop0): disabling free space tree [ 128.548078][ T5606] BTRFS info (device loop0): trying to use backup root at mount time [ 128.556502][ T5606] BTRFS info (device loop0): setting incompat feature flag for COMPRESS_ZSTD (0x10) [ 128.566275][ T5606] BTRFS info (device loop0): use zstd compression, level 3 [ 128.573555][ T5606] BTRFS info (device loop0): force zstd compression, level 3 [ 128.581349][ T5606] BTRFS info (device loop0): has skinny extents [ 128.600214][ T5606] BTRFS info (device loop0): clearing free space tree [ 128.607088][ T5606] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 128.617835][ T5606] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)