Warning: Permanently added '10.128.1.93' (ED25519) to the list of known hosts. 1970/01/01 00:01:06 parsed 1 programs [ 67.355679][ T4451] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 69.626123][ T1541] cfg80211: failed to load regulatory.db [ 69.627684][ T2064] ieee802154 phy0 wpan0: encryption failed: -22 [ 69.628771][ T2064] ieee802154 phy1 wpan1: encryption failed: -22 [ 70.712733][ T4546] chnl_net:caif_netlink_parms(): no params data found [ 70.730958][ T4546] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.732127][ T4546] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.733595][ T4546] device bridge_slave_0 entered promiscuous mode [ 70.736643][ T4546] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.737819][ T4546] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.739227][ T4546] device bridge_slave_1 entered promiscuous mode [ 70.746704][ T4546] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.749121][ T4546] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.757144][ T4546] team0: Port device team_slave_0 added [ 70.758884][ T4546] team0: Port device team_slave_1 added [ 70.765196][ T4546] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 70.766198][ T4546] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 70.769916][ T4546] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 70.772130][ T4546] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 70.773147][ T4546] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 70.777682][ T4546] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 70.825331][ T4546] device hsr_slave_0 entered promiscuous mode [ 70.864508][ T4546] device hsr_slave_1 entered promiscuous mode [ 71.492236][ T4546] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 71.526540][ T4546] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 71.555449][ T4546] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 71.596250][ T4546] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 71.756236][ T4546] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.760178][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.761555][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.764537][ T4546] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.776108][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.777699][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.779147][ T148] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.780204][ T148] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.781582][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.795439][ T1375] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.796963][ T1375] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.798612][ T1375] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.799570][ T1375] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.801381][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.803956][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.810361][ T1375] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.812325][ T1375] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.813782][ T1375] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.815702][ T1375] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.817211][ T1375] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.818648][ T1375] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.820110][ T1375] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.821628][ T1375] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.826573][ T4546] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.828621][ T1375] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.868343][ T4546] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.875369][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.876552][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.877814][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 71.879432][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 71.887640][ T4546] device veth0_vlan entered promiscuous mode [ 71.888754][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 71.896139][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 71.897735][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 71.899154][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 71.902251][ T4546] device veth1_vlan entered promiscuous mode [ 71.917470][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 71.918915][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 71.920340][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 71.922077][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 71.932987][ T4546] device veth0_macvtap entered promiscuous mode [ 71.937178][ T4546] device veth1_macvtap entered promiscuous mode [ 71.951728][ T4546] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 71.952906][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 71.955459][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 71.956967][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 71.958461][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 71.961310][ T4546] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 71.963411][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 71.965127][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 71.967841][ T4546] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.969198][ T4546] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.970601][ T4546] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.971945][ T4546] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.193424][ T1375] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 72.194910][ T1375] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 72.196717][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 72.201806][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 72.202984][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 72.207161][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:01:12 executed programs: 0 [ 72.723744][ T4777] chnl_net:caif_netlink_parms(): no params data found [ 72.741704][ T4777] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.742964][ T4777] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.745279][ T4777] device bridge_slave_0 entered promiscuous mode [ 72.747968][ T4777] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.749036][ T4777] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.750578][ T4777] device bridge_slave_1 entered promiscuous mode [ 72.766252][ T4777] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 72.772755][ T4777] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 72.783528][ T4777] team0: Port device team_slave_0 added [ 72.785369][ T4777] team0: Port device team_slave_1 added [ 72.791812][ T4777] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 72.792904][ T4777] 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. [ 72.797683][ T4777] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 72.799790][ T4777] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 72.800857][ T4777] 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. [ 72.805305][ T4777] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 72.875500][ T4777] device hsr_slave_0 entered promiscuous mode [ 72.894860][ T4777] device hsr_slave_1 entered promiscuous mode [ 72.934438][ T4777] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 72.935518][ T4777] Cannot create hsr debugfs directory [ 72.967288][ T4777] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 74.754362][ T7] Bluetooth: hci0: command 0x0409 tx timeout [ 75.138151][ T4777] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 76.824437][ T4182] Bluetooth: hci0: command 0x041b tx timeout [ 77.477659][ T4777] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 77.508831][ T4777] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 77.656934][ T4777] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 77.705472][ T4777] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 77.746256][ T4777] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 77.785474][ T4777] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 77.867759][ T4777] 8021q: adding VLAN 0 to HW filter on device bond0 [ 77.871348][ T1375] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 77.872863][ T1375] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 77.876051][ T4777] 8021q: adding VLAN 0 to HW filter on device team0 [ 77.878424][ T1375] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 77.879952][ T1375] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 77.881293][ T1375] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.882281][ T1375] bridge0: port 1(bridge_slave_0) entered forwarding state [ 77.884124][ T1375] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 77.905942][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 77.907560][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 77.908939][ T148] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.910010][ T148] bridge0: port 2(bridge_slave_1) entered forwarding state [ 77.911245][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 77.912795][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 77.914234][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 77.917020][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 77.918713][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 77.920351][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 77.921894][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 77.923390][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 77.925374][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 77.928248][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 77.929764][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 77.932016][ T4777] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 77.981525][ T1375] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 77.982757][ T1375] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 77.986538][ T4777] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 77.992477][ T1375] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 77.994103][ T1375] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 78.001908][ T1375] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 78.003351][ T1375] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 78.005541][ T1375] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 78.006981][ T1375] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 78.009706][ T4777] device veth0_vlan entered promiscuous mode [ 78.013082][ T4777] device veth1_vlan entered promiscuous mode [ 78.029319][ T1375] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 78.031157][ T1375] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 78.032622][ T1375] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 78.034106][ T1375] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 78.037174][ T4777] device veth0_macvtap entered promiscuous mode [ 78.039535][ T4777] device veth1_macvtap entered promiscuous mode [ 78.043884][ T4777] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 78.046258][ T4777] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 78.048629][ T4777] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 78.049748][ T1375] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 78.051201][ T1375] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 78.052507][ T1375] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 78.054854][ T1375] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 78.057184][ T4777] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 78.058812][ T4777] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 78.060843][ T4777] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 78.061966][ T1375] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 78.063532][ T1375] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 78.067804][ T4777] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.069154][ T4777] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.070444][ T4777] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.071699][ T4777] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.090174][ T1612] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 78.091327][ T1612] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 78.092691][ T1612] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 78.101035][ T1375] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 78.102272][ T1375] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 78.104045][ T1612] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:01:18 executed programs: 2 [ 78.216632][ T4966] loop0: detected capacity change from 0 to 32768 [ 78.276259][ T4966] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.16 (4966) [ 78.284843][ T4966] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 78.286198][ T4966] BTRFS info (device loop0): enabling auto defrag [ 78.287142][ T4966] BTRFS info (device loop0): enabling ssd optimizations [ 78.288115][ T4966] BTRFS info (device loop0): using spread ssd allocation scheme [ 78.289233][ T4966] BTRFS info (device loop0): max_inline at 0 [ 78.290090][ T4966] BTRFS info (device loop0): force clearing of disk cache [ 78.291121][ T4966] BTRFS info (device loop0): turning on sync discard [ 78.292070][ T4966] BTRFS info (device loop0): disabling free space tree [ 78.293178][ T4966] BTRFS info (device loop0): has skinny extents [ 78.316218][ T4966] BTRFS info (device loop0): clearing free space tree [ 78.317504][ T4966] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 78.319078][ T4966] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 78.336263][ T4966] FAULT_INJECTION: forcing a failure. [ 78.336263][ T4966] name failslab, interval 1, probability 0, space 0, times 1 [ 78.338091][ T4966] CPU: 0 PID: 4966 Comm: syz.0.16 Not tainted syzkaller #0 [ 78.339284][ T4966] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.340861][ T4966] Call trace: [ 78.341414][ T4966] dump_backtrace+0x0/0x43c [ 78.342153][ T4966] show_stack+0x2c/0x3c [ 78.342805][ T4966] __dump_stack+0x30/0x40 [ 78.343472][ T4966] dump_stack_lvl+0xf8/0x160 [ 78.344222][ T4966] dump_stack+0x1c/0x5c [ 78.344868][ T4966] should_fail+0x3c0/0x51c [ 78.345522][ T4966] __should_failslab+0xbc/0x10c [ 78.346201][ T4966] should_failslab+0x10/0x28 [ 78.346905][ T4966] slab_pre_alloc_hook+0x64/0xec [ 78.347668][ T4966] kmem_cache_alloc+0x94/0x3e4 [ 78.348378][ T4966] btrfs_alloc_path+0x5c/0x68 [ 78.349035][ T4966] __btrfs_free_extent+0x19c/0x1aa4 [ 78.349813][ T4966] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 78.350617][ T4966] btrfs_run_delayed_refs+0x124/0x46c [ 78.351395][ T4966] btrfs_commit_transaction+0x1b8/0x3044 [ 78.352293][ T4966] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 78.353069][ T4966] btrfs_ioctl+0x5f0/0xb38 [ 78.353674][ T4966] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.354399][ T4966] invoke_syscall+0x98/0x2b8 [ 78.355065][ T4966] el0_svc_common+0x138/0x258 [ 78.355758][ T4966] do_el0_svc+0x58/0x14c [ 78.356339][ T4966] el0_svc+0x78/0x1e0 [ 78.356888][ T4966] el0t_64_sync_handler+0xcc/0xe4 [ 78.357636][ T4966] el0t_64_sync+0x1a0/0x1a4 [ 78.359142][ T4966] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 78.361817][ T4966] ------------[ cut here ]------------ [ 78.362671][ T4966] WARNING: CPU: 0 PID: 4966 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 78.364233][ T4966] Modules linked in: [ 78.364846][ T4966] CPU: 0 PID: 4966 Comm: syz.0.16 Not tainted syzkaller #0 [ 78.365951][ T4966] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.367422][ T4966] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 78.368569][ T4966] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 78.369419][ T4966] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 78.370203][ T4966] sp : ffff80001fd677d0 [ 78.370816][ T4966] x29: ffff80001fd677e0 x28: ffff0000c89a6000 x27: dfff800000000000 [ 78.372019][ T4966] x26: ffff0000c89a6024 x25: ffff0000d84f4000 x24: 1fffe0001c501037 [ 78.373211][ T4966] x23: 1fffe0001c501037 x22: ffff0000e28081b8 x21: 00000000fffffff4 [ 78.374389][ T4966] x20: 0000000000000051 x19: ffff0000e2808160 x18: 0000000000000001 [ 78.375580][ T4966] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 78.376698][ T4966] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 78.377905][ T4966] x11: 0000000000000000 x10: 0000000000000000 x9 : 7677f65964e3c000 [ 78.379083][ T4966] x8 : 7677f65964e3c000 x7 : 0000000000000001 x6 : 0000000000000001 [ 78.380290][ T4966] x5 : ffff80001fd670b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 78.381454][ T4966] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 78.382757][ T4966] Call trace: [ 78.383261][ T4966] btrfs_run_delayed_refs+0x3f4/0x46c [ 78.384042][ T4966] btrfs_commit_transaction+0x1b8/0x3044 [ 78.384848][ T4966] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 78.385667][ T4966] btrfs_ioctl+0x5f0/0xb38 [ 78.386388][ T4966] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.387057][ T4966] invoke_syscall+0x98/0x2b8 [ 78.387676][ T4966] el0_svc_common+0x138/0x258 [ 78.388368][ T4966] do_el0_svc+0x58/0x14c [ 78.388971][ T4966] el0_svc+0x78/0x1e0 [ 78.389495][ T4966] el0t_64_sync_handler+0xcc/0xe4 [ 78.390238][ T4966] el0t_64_sync+0x1a0/0x1a4 [ 78.390925][ T4966] irq event stamp: 82000 [ 78.391558][ T4966] hardirqs last enabled at (81999): [] __up_console_sem+0xb4/0x100 [ 78.392904][ T4966] hardirqs last disabled at (82000): [] el1_dbg+0x24/0x80 [ 78.394177][ T4966] softirqs last enabled at (81976): [] handle_softirqs+0xa4c/0xbf0 [ 78.395481][ T4966] softirqs last disabled at (81921): [] __irq_exit_rcu+0x240/0x440 [ 78.396923][ T4966] ---[ end trace 16531de42d733904 ]--- [ 78.398668][ T4966] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 78.400236][ T4966] BTRFS info (device loop0): forced readonly [ 78.591394][ T4989] loop0: detected capacity change from 0 to 32768 [ 78.626763][ T4989] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.17 (4989) [ 78.629700][ T4989] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 78.631000][ T4989] BTRFS info (device loop0): enabling auto defrag [ 78.632069][ T4989] BTRFS info (device loop0): enabling ssd optimizations [ 78.633087][ T4989] BTRFS info (device loop0): using spread ssd allocation scheme [ 78.634274][ T4989] BTRFS info (device loop0): max_inline at 0 [ 78.635774][ T4989] BTRFS info (device loop0): force clearing of disk cache [ 78.636918][ T4989] BTRFS info (device loop0): turning on sync discard [ 78.637986][ T4989] BTRFS info (device loop0): disabling free space tree [ 78.639115][ T4989] BTRFS info (device loop0): has skinny extents [ 78.648609][ T4989] BTRFS info (device loop0): clearing free space tree [ 78.649673][ T4989] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 78.651210][ T4989] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 78.657241][ T4989] FAULT_INJECTION: forcing a failure. [ 78.657241][ T4989] name failslab, interval 1, probability 0, space 0, times 0 [ 78.659252][ T4989] CPU: 0 PID: 4989 Comm: syz.0.17 Tainted: G W syzkaller #0 [ 78.660627][ T4989] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.662170][ T4989] Call trace: [ 78.662693][ T4989] dump_backtrace+0x0/0x43c [ 78.663405][ T4989] show_stack+0x2c/0x3c [ 78.664050][ T4989] __dump_stack+0x30/0x40 [ 78.664737][ T4989] dump_stack_lvl+0xf8/0x160 [ 78.665502][ T4989] dump_stack+0x1c/0x5c [ 78.666069][ T4989] should_fail+0x3c0/0x51c [ 78.666760][ T4989] __should_failslab+0xbc/0x10c [ 78.667463][ T4989] should_failslab+0x10/0x28 [ 78.668147][ T4989] slab_pre_alloc_hook+0x64/0xec [ 78.668883][ T4989] kmem_cache_alloc+0x94/0x3e4 [ 78.669538][ T4989] btrfs_alloc_path+0x5c/0x68 [ 78.670226][ T4989] __btrfs_free_extent+0x19c/0x1aa4 [ 78.671012][ T4989] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 78.671822][ T4989] btrfs_run_delayed_refs+0x124/0x46c [ 78.672608][ T4989] btrfs_commit_transaction+0x1b8/0x3044 [ 78.673449][ T4989] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 78.674299][ T4989] btrfs_ioctl+0x5f0/0xb38 [ 78.674951][ T4989] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.675644][ T4989] invoke_syscall+0x98/0x2b8 [ 78.676324][ T4989] el0_svc_common+0x138/0x258 [ 78.677098][ T4989] do_el0_svc+0x58/0x14c [ 78.677677][ T4989] el0_svc+0x78/0x1e0 [ 78.678267][ T4989] el0t_64_sync_handler+0xcc/0xe4 [ 78.679023][ T4989] el0t_64_sync+0x1a0/0x1a4 [ 78.681803][ T4989] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 78.683535][ T4989] ------------[ cut here ]------------ [ 78.684793][ T4989] WARNING: CPU: 0 PID: 4989 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 78.686406][ T4989] Modules linked in: [ 78.686992][ T4989] CPU: 0 PID: 4989 Comm: syz.0.17 Tainted: G W syzkaller #0 [ 78.688365][ T4989] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.689872][ T4989] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 78.691089][ T4989] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 78.691956][ T4989] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 78.692866][ T4989] sp : ffff80001fd677d0 [ 78.693494][ T4989] x29: ffff80001fd677e0 x28: ffff0000c1103000 x27: dfff800000000000 [ 78.694726][ T4989] x26: ffff0000c1103024 x25: ffff0000dd8e4000 x24: 1fffe0001c501079 [ 78.695900][ T4989] x23: 1fffe0001c501079 x22: ffff0000e28083c8 x21: 00000000fffffff4 [ 78.697094][ T4989] x20: 0000000000000051 x19: ffff0000e2808370 x18: 0000000000000001 [ 78.698366][ T4989] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 78.699610][ T4989] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 78.700799][ T4989] x11: 0000000000000000 x10: 0000000000000000 x9 : 8b5dd3e9ec582c00 [ 78.702054][ T4989] x8 : 8b5dd3e9ec582c00 x7 : 0000000000000001 x6 : 0000000000000001 [ 78.703295][ T4989] x5 : ffff80001fd670b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 78.704551][ T4989] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 78.705793][ T4989] Call trace: [ 78.706270][ T4989] btrfs_run_delayed_refs+0x3f4/0x46c [ 78.707059][ T4989] btrfs_commit_transaction+0x1b8/0x3044 [ 78.707844][ T4989] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 78.708657][ T4989] btrfs_ioctl+0x5f0/0xb38 [ 78.709321][ T4989] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.710056][ T4989] invoke_syscall+0x98/0x2b8 [ 78.710663][ T4989] el0_svc_common+0x138/0x258 [ 78.711384][ T4989] do_el0_svc+0x58/0x14c [ 78.711970][ T4989] el0_svc+0x78/0x1e0 [ 78.712514][ T4989] el0t_64_sync_handler+0xcc/0xe4 [ 78.713260][ T4989] el0t_64_sync+0x1a0/0x1a4 [ 78.713936][ T4989] irq event stamp: 80170 [ 78.714562][ T4989] hardirqs last enabled at (80169): [] __up_console_sem+0xb4/0x100 [ 78.716061][ T4989] hardirqs last disabled at (80170): [] el1_dbg+0x24/0x80 [ 78.717251][ T4989] softirqs last enabled at (80158): [] handle_softirqs+0xa4c/0xbf0 [ 78.718717][ T4989] softirqs last disabled at (80145): [] __irq_exit_rcu+0x240/0x440 [ 78.720024][ T4989] ---[ end trace 16531de42d733905 ]--- [ 78.725859][ T4989] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 78.727356][ T4989] BTRFS info (device loop0): forced readonly [ 78.880095][ T5011] loop0: detected capacity change from 0 to 32768 [ 78.889357][ T5011] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.18 (5011) [ 78.893085][ T5011] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 78.894272][ T5011] BTRFS info (device loop0): enabling auto defrag [ 78.895260][ T5011] BTRFS info (device loop0): enabling ssd optimizations [ 78.896200][ T5011] BTRFS info (device loop0): using spread ssd allocation scheme [ 78.897309][ T5011] BTRFS info (device loop0): max_inline at 0 [ 78.898179][ T5011] BTRFS info (device loop0): force clearing of disk cache [ 78.899218][ T5011] BTRFS info (device loop0): turning on sync discard [ 78.900226][ T5011] BTRFS info (device loop0): disabling free space tree [ 78.901197][ T5011] BTRFS info (device loop0): has skinny extents [ 78.913056][ T5011] BTRFS info (device loop0): clearing free space tree [ 78.914156][ T5011] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 78.914617][ T13] Bluetooth: hci0: command 0x040f tx timeout [ 78.917252][ T5011] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 78.927636][ T5011] FAULT_INJECTION: forcing a failure. [ 78.927636][ T5011] name failslab, interval 1, probability 0, space 0, times 0 [ 78.929726][ T5011] CPU: 1 PID: 5011 Comm: syz.0.18 Tainted: G W syzkaller #0 [ 78.931043][ T5011] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.932604][ T5011] Call trace: [ 78.933104][ T5011] dump_backtrace+0x0/0x43c [ 78.933853][ T5011] show_stack+0x2c/0x3c [ 78.934489][ T5011] __dump_stack+0x30/0x40 [ 78.935130][ T5011] dump_stack_lvl+0xf8/0x160 [ 78.935818][ T5011] dump_stack+0x1c/0x5c [ 78.936450][ T5011] should_fail+0x3c0/0x51c [ 78.937124][ T5011] __should_failslab+0xbc/0x10c [ 78.937823][ T5011] should_failslab+0x10/0x28 [ 78.938530][ T5011] slab_pre_alloc_hook+0x64/0xec [ 78.939226][ T5011] kmem_cache_alloc+0x94/0x3e4 [ 78.939877][ T5011] btrfs_alloc_path+0x5c/0x68 [ 78.940553][ T5011] __btrfs_run_delayed_refs+0xd70/0x3354 [ 78.941319][ T5011] btrfs_run_delayed_refs+0x124/0x46c [ 78.942194][ T5011] btrfs_commit_transaction+0x1b8/0x3044 [ 78.943022][ T5011] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 78.943818][ T5011] btrfs_ioctl+0x5f0/0xb38 [ 78.944486][ T5011] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.945204][ T5011] invoke_syscall+0x98/0x2b8 [ 78.945882][ T5011] el0_svc_common+0x138/0x258 [ 78.946601][ T5011] do_el0_svc+0x58/0x14c [ 78.947207][ T5011] el0_svc+0x78/0x1e0 [ 78.947798][ T5011] el0t_64_sync_handler+0xcc/0xe4 [ 78.948578][ T5011] el0t_64_sync+0x1a0/0x1a4 [ 78.951546][ T5011] BTRFS error (device loop0): failed to run delayed ref for logical 5246976 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 78.953579][ T5011] ------------[ cut here ]------------ [ 78.954907][ T5011] WARNING: CPU: 0 PID: 5011 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 78.956405][ T5011] Modules linked in: [ 78.956992][ T5011] CPU: 0 PID: 5011 Comm: syz.0.18 Tainted: G W syzkaller #0 [ 78.958245][ T5011] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.959735][ T5011] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 78.960929][ T5011] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 78.961748][ T5011] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 78.962522][ T5011] sp : ffff8000200477d0 [ 78.963100][ T5011] x29: ffff8000200477e0 x28: ffff0000c8039000 x27: dfff800000000000 [ 78.964264][ T5011] x26: ffff0000c8039024 x25: ffff0000dd8e4000 x24: 1fffe0001c50a237 [ 78.965477][ T5011] x23: 1fffe0001c50a237 x22: ffff0000e28511b8 x21: 00000000fffffff4 [ 78.966708][ T5011] x20: 0000000000000051 x19: ffff0000e2851160 x18: 0000000000000001 [ 78.967917][ T5011] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 78.969119][ T5011] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 78.970350][ T5011] x11: 0000000000000000 x10: 0000000000000000 x9 : 8f087fb3ffef7600 [ 78.971586][ T5011] x8 : 8f087fb3ffef7600 x7 : 0000000000000001 x6 : 0000000000000001 [ 78.972783][ T5011] x5 : ffff8000200470b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 78.973977][ T5011] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 78.975087][ T5011] Call trace: [ 78.975554][ T5011] btrfs_run_delayed_refs+0x3f4/0x46c [ 78.976314][ T5011] btrfs_commit_transaction+0x1b8/0x3044 [ 78.977108][ T5011] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 78.977868][ T5011] btrfs_ioctl+0x5f0/0xb38 [ 78.978465][ T5011] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.979192][ T5011] invoke_syscall+0x98/0x2b8 [ 78.979882][ T5011] el0_svc_common+0x138/0x258 [ 78.980537][ T5011] do_el0_svc+0x58/0x14c [ 78.981204][ T5011] el0_svc+0x78/0x1e0 [ 78.981777][ T5011] el0t_64_sync_handler+0xcc/0xe4 [ 78.982468][ T5011] el0t_64_sync+0x1a0/0x1a4 [ 78.983078][ T5011] irq event stamp: 80336 [ 78.983624][ T5011] hardirqs last enabled at (80335): [] __up_console_sem+0xb4/0x100 [ 78.985028][ T5011] hardirqs last disabled at (80336): [] el1_dbg+0x24/0x80 [ 78.986263][ T5011] softirqs last enabled at (80324): [] handle_softirqs+0xa4c/0xbf0 [ 78.987641][ T5011] softirqs last disabled at (80273): [] __irq_exit_rcu+0x240/0x440 [ 78.989006][ T5011] ---[ end trace 16531de42d733906 ]--- [ 78.990835][ T5011] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 78.992129][ T5011] BTRFS info (device loop0): forced readonly [ 79.158197][ T5033] loop0: detected capacity change from 0 to 32768 [ 79.168910][ T5033] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.19 (5033) [ 79.175517][ T5033] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 79.176869][ T5033] BTRFS info (device loop0): enabling auto defrag [ 79.177941][ T5033] BTRFS info (device loop0): enabling ssd optimizations [ 79.179046][ T5033] BTRFS info (device loop0): using spread ssd allocation scheme [ 79.180529][ T5033] BTRFS info (device loop0): max_inline at 0 [ 79.181390][ T5033] BTRFS info (device loop0): force clearing of disk cache [ 79.182527][ T5033] BTRFS info (device loop0): turning on sync discard [ 79.183574][ T5033] BTRFS info (device loop0): disabling free space tree [ 79.184634][ T5033] BTRFS info (device loop0): has skinny extents [ 79.192138][ T5033] BTRFS info (device loop0): clearing free space tree [ 79.193225][ T5033] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 79.194866][ T5033] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 79.200462][ T5033] FAULT_INJECTION: forcing a failure. [ 79.200462][ T5033] name failslab, interval 1, probability 0, space 0, times 0 [ 79.202402][ T5033] CPU: 0 PID: 5033 Comm: syz.0.19 Tainted: G W syzkaller #0 [ 79.203709][ T5033] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.205256][ T5033] Call trace: [ 79.205757][ T5033] dump_backtrace+0x0/0x43c [ 79.206460][ T5033] show_stack+0x2c/0x3c [ 79.207019][ T5033] __dump_stack+0x30/0x40 [ 79.207668][ T5033] dump_stack_lvl+0xf8/0x160 [ 79.208410][ T5033] dump_stack+0x1c/0x5c [ 79.209027][ T5033] should_fail+0x3c0/0x51c [ 79.209697][ T5033] __should_failslab+0xbc/0x10c [ 79.210478][ T5033] should_failslab+0x10/0x28 [ 79.211207][ T5033] slab_pre_alloc_hook+0x64/0xec [ 79.211960][ T5033] kmem_cache_alloc+0x94/0x3e4 [ 79.212661][ T5033] btrfs_alloc_path+0x5c/0x68 [ 79.213388][ T5033] __btrfs_run_delayed_refs+0xd70/0x3354 [ 79.214253][ T5033] btrfs_run_delayed_refs+0x124/0x46c [ 79.215067][ T5033] btrfs_commit_transaction+0x1b8/0x3044 [ 79.215892][ T5033] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 79.216630][ T5033] btrfs_ioctl+0x5f0/0xb38 [ 79.217292][ T5033] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.218022][ T5033] invoke_syscall+0x98/0x2b8 [ 79.218686][ T5033] el0_svc_common+0x138/0x258 [ 79.219350][ T5033] do_el0_svc+0x58/0x14c [ 79.219977][ T5033] el0_svc+0x78/0x1e0 [ 79.220648][ T5033] el0t_64_sync_handler+0xcc/0xe4 [ 79.221343][ T5033] el0t_64_sync+0x1a0/0x1a4 [ 79.222192][ T5033] BTRFS error (device loop0): failed to run delayed ref for logical 5251072 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 79.224124][ T5033] ------------[ cut here ]------------ [ 79.225801][ T5033] WARNING: CPU: 0 PID: 5033 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 79.227251][ T5033] Modules linked in: [ 79.227820][ T5033] CPU: 0 PID: 5033 Comm: syz.0.19 Tainted: G W syzkaller #0 [ 79.229094][ T5033] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.230528][ T5033] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.231705][ T5033] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 79.232561][ T5033] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 79.233400][ T5033] sp : ffff8000202177d0 [ 79.233998][ T5033] x29: ffff8000202177e0 x28: ffff0000d8719000 x27: dfff800000000000 [ 79.235232][ T5033] x26: ffff0000d8719024 x25: ffff0000e8bfc000 x24: 1fffe0001c5010bb [ 79.236433][ T5033] x23: 1fffe0001c5010bb x22: ffff0000e28085d8 x21: 00000000fffffff4 [ 79.237568][ T5033] x20: 0000000000000051 x19: ffff0000e2808580 x18: 0000000000000001 [ 79.238741][ T5033] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 79.239946][ T5033] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 79.241099][ T5033] x11: 0000000000000000 x10: 0000000000000000 x9 : 3bd228d4c02a0900 [ 79.242298][ T5033] x8 : 3bd228d4c02a0900 x7 : 0000000000000001 x6 : 0000000000000001 [ 79.243468][ T5033] x5 : ffff8000202170b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 79.244658][ T5033] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 79.245796][ T5033] Call trace: [ 79.246309][ T5033] btrfs_run_delayed_refs+0x3f4/0x46c [ 79.247101][ T5033] btrfs_commit_transaction+0x1b8/0x3044 [ 79.248035][ T5033] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 79.248804][ T5033] btrfs_ioctl+0x5f0/0xb38 [ 79.249453][ T5033] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.250190][ T5033] invoke_syscall+0x98/0x2b8 [ 79.250867][ T5033] el0_svc_common+0x138/0x258 [ 79.251541][ T5033] do_el0_svc+0x58/0x14c [ 79.252170][ T5033] el0_svc+0x78/0x1e0 [ 79.252720][ T5033] el0t_64_sync_handler+0xcc/0xe4 [ 79.253460][ T5033] el0t_64_sync+0x1a0/0x1a4 [ 79.254131][ T5033] irq event stamp: 79512 [ 79.254683][ T5033] hardirqs last enabled at (79511): [] __up_console_sem+0xb4/0x100 [ 79.255997][ T5033] hardirqs last disabled at (79512): [] el1_dbg+0x24/0x80 [ 79.257284][ T5033] softirqs last enabled at (79500): [] handle_softirqs+0xa4c/0xbf0 [ 79.258746][ T5033] softirqs last disabled at (79451): [] __irq_exit_rcu+0x240/0x440 [ 79.260150][ T5033] ---[ end trace 16531de42d733907 ]--- [ 79.261434][ T5033] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 79.262915][ T5033] BTRFS info (device loop0): forced readonly [ 79.445180][ T5054] loop0: detected capacity change from 0 to 32768 [ 79.495660][ T5054] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.20 (5054) [ 79.500515][ T5054] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 79.501937][ T5054] BTRFS info (device loop0): enabling auto defrag [ 79.502899][ T5054] BTRFS info (device loop0): enabling ssd optimizations [ 79.503975][ T5054] BTRFS info (device loop0): using spread ssd allocation scheme [ 79.505210][ T5054] BTRFS info (device loop0): max_inline at 0 [ 79.506078][ T5054] BTRFS info (device loop0): force clearing of disk cache [ 79.507100][ T5054] BTRFS info (device loop0): turning on sync discard [ 79.508152][ T5054] BTRFS info (device loop0): disabling free space tree [ 79.509300][ T5054] BTRFS info (device loop0): has skinny extents [ 79.523835][ T5054] BTRFS info (device loop0): clearing free space tree [ 79.524909][ T5054] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 79.526346][ T5054] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 79.533308][ T5054] FAULT_INJECTION: forcing a failure. [ 79.533308][ T5054] name failslab, interval 1, probability 0, space 0, times 0 [ 79.535574][ T5054] CPU: 0 PID: 5054 Comm: syz.0.20 Tainted: G W syzkaller #0 [ 79.536901][ T5054] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.538468][ T5054] Call trace: [ 79.538945][ T5054] dump_backtrace+0x0/0x43c [ 79.539620][ T5054] show_stack+0x2c/0x3c [ 79.540206][ T5054] __dump_stack+0x30/0x40 [ 79.540848][ T5054] dump_stack_lvl+0xf8/0x160 [ 79.541530][ T5054] dump_stack+0x1c/0x5c [ 79.542199][ T5054] should_fail+0x3c0/0x51c [ 79.542868][ T5054] __should_failslab+0xbc/0x10c [ 79.543613][ T5054] should_failslab+0x10/0x28 [ 79.544346][ T5054] slab_pre_alloc_hook+0x64/0xec [ 79.545134][ T5054] kmem_cache_alloc+0x94/0x3e4 [ 79.545884][ T5054] btrfs_alloc_path+0x5c/0x68 [ 79.546623][ T5054] __btrfs_run_delayed_refs+0xd70/0x3354 [ 79.547500][ T5054] btrfs_run_delayed_refs+0x124/0x46c [ 79.548312][ T5054] btrfs_commit_transaction+0x1b8/0x3044 [ 79.549154][ T5054] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 79.550029][ T5054] btrfs_ioctl+0x5f0/0xb38 [ 79.550646][ T5054] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.551412][ T5054] invoke_syscall+0x98/0x2b8 [ 79.552043][ T5054] el0_svc_common+0x138/0x258 [ 79.552771][ T5054] do_el0_svc+0x58/0x14c [ 79.553428][ T5054] el0_svc+0x78/0x1e0 [ 79.554019][ T5054] el0t_64_sync_handler+0xcc/0xe4 [ 79.554729][ T5054] el0t_64_sync+0x1a0/0x1a4 [ 79.557548][ T5054] BTRFS error (device loop0): failed to run delayed ref for logical 5246976 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 79.559612][ T5054] ------------[ cut here ]------------ [ 79.560550][ T5054] WARNING: CPU: 0 PID: 5054 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 79.562083][ T5054] Modules linked in: [ 79.562664][ T5054] CPU: 0 PID: 5054 Comm: syz.0.20 Tainted: G W syzkaller #0 [ 79.563918][ T5054] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.565309][ T5054] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.566472][ T5054] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 79.567337][ T5054] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 79.568283][ T5054] sp : ffff8000200477d0 [ 79.568845][ T5054] x29: ffff8000200477e0 x28: ffff0000d8867000 x27: dfff800000000000 [ 79.570099][ T5054] x26: ffff0000d8867024 x25: ffff0000d2118000 x24: 1fffe0001c5010fd [ 79.571329][ T5054] x23: 1fffe0001c5010fd x22: ffff0000e28087e8 x21: 00000000fffffff4 [ 79.572569][ T5054] x20: 0000000000000051 x19: ffff0000e2808790 x18: 0000000000000001 [ 79.573836][ T5054] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 79.575010][ T5054] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 79.576130][ T5054] x11: 0000000000000000 x10: 0000000000000000 x9 : 0f099903c15c1900 [ 79.577314][ T5054] x8 : 0f099903c15c1900 x7 : 0000000000000001 x6 : 0000000000000001 [ 79.578554][ T5054] x5 : ffff8000200470b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 79.579681][ T5054] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 79.580902][ T5054] Call trace: [ 79.581387][ T5054] btrfs_run_delayed_refs+0x3f4/0x46c [ 79.582222][ T5054] btrfs_commit_transaction+0x1b8/0x3044 [ 79.583072][ T5054] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 79.583973][ T5054] btrfs_ioctl+0x5f0/0xb38 [ 79.584636][ T5054] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.585384][ T5054] invoke_syscall+0x98/0x2b8 [ 79.586068][ T5054] el0_svc_common+0x138/0x258 [ 79.586756][ T5054] do_el0_svc+0x58/0x14c [ 79.587425][ T5054] el0_svc+0x78/0x1e0 [ 79.588067][ T5054] el0t_64_sync_handler+0xcc/0xe4 [ 79.588806][ T5054] el0t_64_sync+0x1a0/0x1a4 [ 79.589454][ T5054] irq event stamp: 79784 [ 79.590118][ T5054] hardirqs last enabled at (79783): [] __up_console_sem+0xb4/0x100 [ 79.591539][ T5054] hardirqs last disabled at (79784): [] el1_dbg+0x24/0x80 [ 79.592928][ T5054] softirqs last enabled at (79750): [] handle_softirqs+0xa4c/0xbf0 [ 79.594561][ T5054] softirqs last disabled at (79735): [] __irq_exit_rcu+0x240/0x440 [ 79.596166][ T5054] ---[ end trace 16531de42d733908 ]--- [ 79.598129][ T5054] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 79.599583][ T5054] BTRFS info (device loop0): forced readonly [ 79.733067][ T5076] loop0: detected capacity change from 0 to 32768 [ 79.799400][ T5076] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.21 (5076) [ 79.803361][ T5076] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 79.805502][ T5076] BTRFS info (device loop0): enabling auto defrag [ 79.806411][ T5076] BTRFS info (device loop0): enabling ssd optimizations [ 79.807421][ T5076] BTRFS info (device loop0): using spread ssd allocation scheme [ 79.808542][ T5076] BTRFS info (device loop0): max_inline at 0 [ 79.809601][ T5076] BTRFS info (device loop0): force clearing of disk cache [ 79.810751][ T5076] BTRFS info (device loop0): turning on sync discard [ 79.811802][ T5076] BTRFS info (device loop0): disabling free space tree [ 79.812972][ T5076] BTRFS info (device loop0): has skinny extents [ 79.821110][ T5076] BTRFS info (device loop0): clearing free space tree [ 79.822180][ T5076] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 79.823646][ T5076] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 79.830967][ T5076] FAULT_INJECTION: forcing a failure. [ 79.830967][ T5076] name failslab, interval 1, probability 0, space 0, times 0 [ 79.832959][ T5076] CPU: 0 PID: 5076 Comm: syz.0.21 Tainted: G W syzkaller #0 [ 79.834305][ T5076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.835771][ T5076] Call trace: [ 79.836257][ T5076] dump_backtrace+0x0/0x43c [ 79.836934][ T5076] show_stack+0x2c/0x3c [ 79.837570][ T5076] __dump_stack+0x30/0x40 [ 79.838224][ T5076] dump_stack_lvl+0xf8/0x160 [ 79.838963][ T5076] dump_stack+0x1c/0x5c [ 79.839565][ T5076] should_fail+0x3c0/0x51c [ 79.840221][ T5076] __should_failslab+0xbc/0x10c [ 79.840888][ T5076] should_failslab+0x10/0x28 [ 79.841557][ T5076] slab_pre_alloc_hook+0x64/0xec [ 79.842276][ T5076] kmem_cache_alloc+0x94/0x3e4 [ 79.842992][ T5076] btrfs_alloc_path+0x5c/0x68 [ 79.843654][ T5076] __btrfs_free_extent+0x19c/0x1aa4 [ 79.844433][ T5076] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 79.845285][ T5076] btrfs_run_delayed_refs+0x124/0x46c [ 79.846087][ T5076] btrfs_commit_transaction+0x1b8/0x3044 [ 79.846920][ T5076] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 79.847758][ T5076] btrfs_ioctl+0x5f0/0xb38 [ 79.848388][ T5076] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.849156][ T5076] invoke_syscall+0x98/0x2b8 [ 79.849819][ T5076] el0_svc_common+0x138/0x258 [ 79.850477][ T5076] do_el0_svc+0x58/0x14c [ 79.851073][ T5076] el0_svc+0x78/0x1e0 [ 79.851640][ T5076] el0t_64_sync_handler+0xcc/0xe4 [ 79.852332][ T5076] el0t_64_sync+0x1a0/0x1a4 [ 79.855146][ T5076] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 79.857071][ T5076] ------------[ cut here ]------------ [ 79.858035][ T5076] WARNING: CPU: 1 PID: 5076 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 79.859703][ T5076] Modules linked in: [ 79.860289][ T5076] CPU: 1 PID: 5076 Comm: syz.0.21 Tainted: G W syzkaller #0 [ 79.861538][ T5076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.863041][ T5076] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.864207][ T5076] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 79.865073][ T5076] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 79.865896][ T5076] sp : ffff8000200477d0 [ 79.866491][ T5076] x29: ffff8000200477e0 x28: ffff0000dae8c000 x27: dfff800000000000 [ 79.867653][ T5076] x26: ffff0000dae8c024 x25: ffff0000ec5a8000 x24: 1fffe0001c50113f [ 79.868946][ T5076] x23: 1fffe0001c50113f x22: ffff0000e28089f8 x21: 00000000fffffff4 [ 79.870222][ T5076] x20: 0000000000000051 x19: ffff0000e28089a0 x18: 0000000000000001 [ 79.871543][ T5076] x17: 0000000000000000 x16: ffff800008302164 x15: 00000000ffffffff [ 79.872879][ T5076] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 79.874059][ T5076] x11: 0000000000000000 x10: 0000000000000000 x9 : 095945ddc9558400 [ 79.875230][ T5076] x8 : 095945ddc9558400 x7 : 0000000000000001 x6 : 0000000000000001 [ 79.876424][ T5076] x5 : ffff8000200470b8 x4 : ffff8000141ff5a0 x3 : ffff800008302274 [ 79.877671][ T5076] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 79.878833][ T5076] Call trace: [ 79.879283][ T5076] btrfs_run_delayed_refs+0x3f4/0x46c [ 79.880043][ T5076] btrfs_commit_transaction+0x1b8/0x3044 [ 79.880888][ T5076] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 79.881704][ T5076] btrfs_ioctl+0x5f0/0xb38 [ 79.882359][ T5076] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.883060][ T5076] invoke_syscall+0x98/0x2b8 [ 79.883672][ T5076] el0_svc_common+0x138/0x258 [ 79.884394][ T5076] do_el0_svc+0x58/0x14c [ 79.885030][ T5076] el0_svc+0x78/0x1e0 [ 79.885597][ T5076] el0t_64_sync_handler+0xcc/0xe4 [ 79.886304][ T5076] el0t_64_sync+0x1a0/0x1a4 [ 79.886966][ T5076] irq event stamp: 79974 [ 79.887617][ T5076] hardirqs last enabled at (79973): [] __up_console_sem+0xb4/0x100 [ 79.889099][ T5076] hardirqs last disabled at (79974): [] el1_dbg+0x24/0x80 [ 79.890490][ T5076] softirqs last enabled at (79942): [] handle_softirqs+0xa4c/0xbf0 [ 79.891843][ T5076] softirqs last disabled at (79893): [] __irq_exit_rcu+0x240/0x440 [ 79.893234][ T5076] ---[ end trace 16531de42d733909 ]--- [ 79.897379][ T5076] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 79.898881][ T5076] BTRFS info (device loop0): forced readonly [ 80.036847][ T5098] loop0: detected capacity change from 0 to 32768 [ 80.080977][ T5098] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.22 (5098) [ 80.085997][ T5098] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 80.087357][ T5098] BTRFS info (device loop0): enabling auto defrag [ 80.088444][ T5098] BTRFS info (device loop0): enabling ssd optimizations [ 80.089590][ T5098] BTRFS info (device loop0): using spread ssd allocation scheme [ 80.090793][ T5098] BTRFS info (device loop0): max_inline at 0 [ 80.091728][ T5098] BTRFS info (device loop0): force clearing of disk cache [ 80.092799][ T5098] BTRFS info (device loop0): turning on sync discard [ 80.093759][ T5098] BTRFS info (device loop0): disabling free space tree [ 80.100739][ T5098] BTRFS info (device loop0): has skinny extents [ 80.116396][ T5098] BTRFS info (device loop0): clearing free space tree [ 80.117596][ T5098] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 80.119151][ T5098] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 80.124124][ T5098] FAULT_INJECTION: forcing a failure. [ 80.124124][ T5098] name failslab, interval 1, probability 0, space 0, times 0 [ 80.126659][ T5098] CPU: 1 PID: 5098 Comm: syz.0.22 Tainted: G W syzkaller #0 [ 80.128033][ T5098] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.129611][ T5098] Call trace: [ 80.130123][ T5098] dump_backtrace+0x0/0x43c [ 80.130770][ T5098] show_stack+0x2c/0x3c [ 80.131389][ T5098] __dump_stack+0x30/0x40 [ 80.132030][ T5098] dump_stack_lvl+0xf8/0x160 [ 80.132715][ T5098] dump_stack+0x1c/0x5c [ 80.133345][ T5098] should_fail+0x3c0/0x51c [ 80.134090][ T5098] __should_failslab+0xbc/0x10c [ 80.134796][ T5098] should_failslab+0x10/0x28 [ 80.135449][ T5098] slab_pre_alloc_hook+0x64/0xec [ 80.136194][ T5098] kmem_cache_alloc+0x94/0x3e4 [ 80.136906][ T5098] btrfs_alloc_path+0x5c/0x68 [ 80.137627][ T5098] __btrfs_run_delayed_refs+0xd70/0x3354 [ 80.138482][ T5098] btrfs_run_delayed_refs+0x124/0x46c [ 80.139329][ T5098] btrfs_commit_transaction+0x1b8/0x3044 [ 80.140159][ T5098] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 80.140961][ T5098] btrfs_ioctl+0x5f0/0xb38 [ 80.141596][ T5098] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.142285][ T5098] invoke_syscall+0x98/0x2b8 [ 80.142954][ T5098] el0_svc_common+0x138/0x258 [ 80.143628][ T5098] do_el0_svc+0x58/0x14c [ 80.144246][ T5098] el0_svc+0x78/0x1e0 [ 80.144853][ T5098] el0t_64_sync_handler+0xcc/0xe4 [ 80.145566][ T5098] el0t_64_sync+0x1a0/0x1a4 [ 80.147782][ T5098] BTRFS error (device loop0): failed to run delayed ref for logical 5251072 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 80.149774][ T5098] ------------[ cut here ]------------ [ 80.150759][ T5098] WARNING: CPU: 1 PID: 5098 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 80.152356][ T5098] Modules linked in: [ 80.152967][ T5098] CPU: 1 PID: 5098 Comm: syz.0.22 Tainted: G W syzkaller #0 [ 80.154222][ T5098] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.155746][ T5098] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 80.156871][ T5098] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 80.157664][ T5098] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 80.158481][ T5098] sp : ffff8000205877d0 [ 80.159064][ T5098] x29: ffff8000205877e0 x28: ffff0000e877c000 x27: dfff800000000000 [ 80.160233][ T5098] x26: ffff0000e877c024 x25: ffff0000d00c4000 x24: 1fffe0001c50a279 [ 80.161402][ T5098] x23: 1fffe0001c50a279 x22: ffff0000e28513c8 x21: 00000000fffffff4 [ 80.162560][ T5098] x20: 0000000000000051 x19: ffff0000e2851370 x18: 0000000000000001 [ 80.163740][ T5098] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 80.164864][ T5098] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 80.166101][ T5098] x11: 0000000000000000 x10: 0000000000000000 x9 : 68cb9469d097f200 [ 80.167267][ T5098] x8 : 68cb9469d097f200 x7 : 0000000000000001 x6 : 0000000000000001 [ 80.168480][ T5098] x5 : ffff8000205870b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 80.169644][ T5098] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 80.170732][ T5098] Call trace: [ 80.171224][ T5098] btrfs_run_delayed_refs+0x3f4/0x46c [ 80.172032][ T5098] btrfs_commit_transaction+0x1b8/0x3044 [ 80.172855][ T5098] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 80.173686][ T5098] btrfs_ioctl+0x5f0/0xb38 [ 80.174334][ T5098] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.175088][ T5098] invoke_syscall+0x98/0x2b8 [ 80.175791][ T5098] el0_svc_common+0x138/0x258 [ 80.176447][ T5098] do_el0_svc+0x58/0x14c [ 80.177076][ T5098] el0_svc+0x78/0x1e0 [ 80.177629][ T5098] el0t_64_sync_handler+0xcc/0xe4 [ 80.178395][ T5098] el0t_64_sync+0x1a0/0x1a4 [ 80.179078][ T5098] irq event stamp: 80042 [ 80.179706][ T5098] hardirqs last enabled at (80041): [] __up_console_sem+0xb4/0x100 [ 80.180990][ T5098] hardirqs last disabled at (80042): [] el1_dbg+0x24/0x80 [ 80.182279][ T5098] softirqs last enabled at (80008): [] handle_softirqs+0xa4c/0xbf0 [ 80.183659][ T5098] softirqs last disabled at (79971): [] __irq_exit_rcu+0x240/0x440 [ 80.185063][ T5098] ---[ end trace 16531de42d73390a ]--- [ 80.188806][ T5098] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 80.190367][ T5098] BTRFS info (device loop0): forced readonly [ 80.301497][ T9] device hsr_slave_0 left promiscuous mode [ 80.335725][ T9] device hsr_slave_1 left promiscuous mode [ 80.373259][ T5120] loop0: detected capacity change from 0 to 32768 [ 80.419549][ T5120] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.23 (5120) [ 80.423881][ T5120] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 80.426024][ T5120] BTRFS info (device loop0): enabling auto defrag [ 80.427151][ T5120] BTRFS info (device loop0): enabling ssd optimizations [ 80.428561][ T5120] BTRFS info (device loop0): using spread ssd allocation scheme [ 80.429678][ T5120] BTRFS info (device loop0): max_inline at 0 [ 80.430614][ T5120] BTRFS info (device loop0): force clearing of disk cache [ 80.431734][ T5120] BTRFS info (device loop0): turning on sync discard [ 80.432871][ T5120] BTRFS info (device loop0): disabling free space tree [ 80.433941][ T5120] BTRFS info (device loop0): has skinny extents [ 80.435706][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 80.436825][ T9] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 80.438290][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 80.439377][ T9] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 80.440730][ T9] device bridge_slave_1 left promiscuous mode [ 80.441689][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 80.460387][ T5120] FAULT_INJECTION: forcing a failure. [ 80.460387][ T5120] name failslab, interval 1, probability 0, space 0, times 0 [ 80.462408][ T5120] CPU: 0 PID: 5120 Comm: syz.0.23 Tainted: G W syzkaller #0 [ 80.463771][ T5120] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.465337][ T5120] Call trace: [ 80.465817][ T5120] dump_backtrace+0x0/0x43c [ 80.466502][ T5120] show_stack+0x2c/0x3c [ 80.467117][ T5120] __dump_stack+0x30/0x40 [ 80.467801][ T5120] dump_stack_lvl+0xf8/0x160 [ 80.468509][ T5120] dump_stack+0x1c/0x5c [ 80.469140][ T5120] should_fail+0x3c0/0x51c [ 80.469850][ T5120] __should_failslab+0xbc/0x10c [ 80.470520][ T5120] should_failslab+0x10/0x28 [ 80.471233][ T5120] slab_pre_alloc_hook+0x64/0xec [ 80.471914][ T5120] kmem_cache_alloc+0x94/0x3e4 [ 80.472642][ T5120] btrfs_alloc_path+0x5c/0x68 [ 80.473419][ T5120] __btrfs_run_delayed_refs+0xd70/0x3354 [ 80.474350][ T5120] btrfs_run_delayed_refs+0x124/0x46c [ 80.475189][ T5120] btrfs_commit_transaction+0x1b8/0x3044 [ 80.476065][ T5120] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 80.477000][ T5120] btrfs_ioctl+0x5f0/0xb38 [ 80.477710][ T5120] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.478466][ T5120] invoke_syscall+0x98/0x2b8 [ 80.479201][ T5120] el0_svc_common+0x138/0x258 [ 80.479887][ T5120] do_el0_svc+0x58/0x14c [ 80.480524][ T5120] el0_svc+0x78/0x1e0 [ 80.481172][ T5120] el0t_64_sync_handler+0xcc/0xe4 [ 80.481872][ T5120] el0t_64_sync+0x1a0/0x1a4 [ 80.485291][ T9] device bridge_slave_0 left promiscuous mode [ 80.486282][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 80.488192][ T5120] BTRFS error (device loop0): failed to run delayed ref for logical 5246976 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 80.490120][ T5120] ------------[ cut here ]------------ [ 80.491065][ T5120] WARNING: CPU: 0 PID: 5120 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 80.492563][ T5120] Modules linked in: [ 80.493165][ T5120] CPU: 0 PID: 5120 Comm: syz.0.23 Tainted: G W syzkaller #0 [ 80.494454][ T5120] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.495893][ T5120] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 80.497034][ T5120] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 80.497805][ T5120] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 80.498636][ T5120] sp : ffff8000202077d0 [ 80.499275][ T5120] x29: ffff8000202077e0 x28: ffff0000e87ca000 x27: dfff800000000000 [ 80.500506][ T5120] x26: ffff0000e87ca024 x25: ffff0000d6c70000 x24: 1fffe0001c501181 [ 80.501802][ T5120] x23: 1fffe0001c501181 x22: ffff0000e2808c08 x21: 00000000fffffff4 [ 80.503091][ T5120] x20: 0000000000000051 x19: ffff0000e2808bb0 x18: 0000000000000001 [ 80.504341][ T5120] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 80.505593][ T5120] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 80.506896][ T5120] x11: 0000000000000000 x10: 0000000000000000 x9 : d2b7b2ea3af86c00 [ 80.508087][ T5120] x8 : d2b7b2ea3af86c00 x7 : 0000000000000001 x6 : 0000000000000001 [ 80.509335][ T5120] x5 : ffff8000202070b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 80.510612][ T5120] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 80.511847][ T5120] Call trace: [ 80.512309][ T5120] btrfs_run_delayed_refs+0x3f4/0x46c [ 80.513095][ T5120] btrfs_commit_transaction+0x1b8/0x3044 [ 80.513881][ T5120] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 80.514643][ T5120] btrfs_ioctl+0x5f0/0xb38 [ 80.515270][ T5120] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.516041][ T5120] invoke_syscall+0x98/0x2b8 [ 80.516766][ T5120] el0_svc_common+0x138/0x258 [ 80.517430][ T5120] do_el0_svc+0x58/0x14c [ 80.518020][ T5120] el0_svc+0x78/0x1e0 [ 80.518640][ T5120] el0t_64_sync_handler+0xcc/0xe4 [ 80.519418][ T5120] el0t_64_sync+0x1a0/0x1a4 [ 80.520113][ T5120] irq event stamp: 79736 [ 80.520761][ T5120] hardirqs last enabled at (79735): [] __up_console_sem+0xb4/0x100 [ 80.522171][ T5120] hardirqs last disabled at (79736): [] el1_dbg+0x24/0x80 [ 80.523450][ T5120] softirqs last enabled at (79698): [] handle_softirqs+0xa4c/0xbf0 [ 80.524847][ T5120] softirqs last disabled at (79677): [] __irq_exit_rcu+0x240/0x440 [ 80.526303][ T5120] ---[ end trace 16531de42d73390b ]--- [ 80.528158][ T5120] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 80.624472][ T9] device veth1_macvtap left promiscuous mode [ 80.625466][ T9] device veth0_macvtap left promiscuous mode [ 80.626411][ T9] device veth1_vlan left promiscuous mode [ 80.627331][ T9] device veth0_vlan left promiscuous mode [ 80.721264][ T5142] loop0: detected capacity change from 0 to 32768 [ 80.725820][ T9] team0 (unregistering): Port device team_slave_1 removed [ 80.729772][ T9] team0 (unregistering): Port device team_slave_0 removed [ 80.733437][ T9] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 80.749984][ T5142] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.24 (5142) [ 80.766855][ T5142] FAULT_INJECTION: forcing a failure. [ 80.766855][ T5142] name failslab, interval 1, probability 0, space 0, times 0 [ 80.768895][ T5142] CPU: 1 PID: 5142 Comm: syz.0.24 Tainted: G W syzkaller #0 [ 80.770178][ T5142] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.771694][ T5142] Call trace: [ 80.772134][ T5142] dump_backtrace+0x0/0x43c [ 80.772755][ T5142] show_stack+0x2c/0x3c [ 80.773380][ T5142] __dump_stack+0x30/0x40 [ 80.774046][ T5142] dump_stack_lvl+0xf8/0x160 [ 80.774710][ T5142] dump_stack+0x1c/0x5c [ 80.775324][ T5142] should_fail+0x3c0/0x51c [ 80.776057][ T5142] __should_failslab+0xbc/0x10c [ 80.776755][ T5142] should_failslab+0x10/0x28 [ 80.777423][ T5142] slab_pre_alloc_hook+0x64/0xec [ 80.778138][ T5142] kmem_cache_alloc+0x94/0x3e4 [ 80.778794][ T5142] start_transaction+0x4d0/0x13f0 [ 80.779520][ T5142] btrfs_start_transaction+0x34/0x44 [ 80.780330][ T5142] btrfs_ioctl_set_fslabel+0x28c/0x384 [ 80.781128][ T5142] btrfs_ioctl+0x5f0/0xb38 [ 80.781785][ T5142] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.782583][ T5142] invoke_syscall+0x98/0x2b8 [ 80.783232][ T5142] el0_svc_common+0x138/0x258 [ 80.783955][ T5142] do_el0_svc+0x58/0x14c [ 80.784597][ T5142] el0_svc+0x78/0x1e0 [ 80.785150][ T5142] el0t_64_sync_handler+0xcc/0xe4 [ 80.785833][ T5142] el0t_64_sync+0x1a0/0x1a4 [ 80.801033][ T9] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 80.907741][ T9] bond0 (unregistering): Released all slaves [ 80.965356][ T5164] loop0: detected capacity change from 0 to 32768 [ 80.976437][ T5164] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.25 (5164) [ 80.994387][ T4953] Bluetooth: hci0: command 0x0419 tx timeout [ 81.008643][ T5164] FAULT_INJECTION: forcing a failure. [ 81.008643][ T5164] name failslab, interval 1, probability 0, space 0, times 0 [ 81.010631][ T5164] CPU: 0 PID: 5164 Comm: syz.0.25 Tainted: G W syzkaller #0 [ 81.011984][ T5164] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.013495][ T5164] Call trace: [ 81.013999][ T5164] dump_backtrace+0x0/0x43c [ 81.014667][ T5164] show_stack+0x2c/0x3c [ 81.015375][ T5164] __dump_stack+0x30/0x40 [ 81.016036][ T5164] dump_stack_lvl+0xf8/0x160 [ 81.016777][ T5164] dump_stack+0x1c/0x5c [ 81.017445][ T5164] should_fail+0x3c0/0x51c [ 81.018108][ T5164] __should_failslab+0xbc/0x10c [ 81.018779][ T5164] should_failslab+0x10/0x28 [ 81.019475][ T5164] slab_pre_alloc_hook+0x64/0xec [ 81.020204][ T5164] kmem_cache_alloc+0x94/0x3e4 [ 81.020884][ T5164] btrfs_alloc_path+0x5c/0x68 [ 81.021547][ T5164] __btrfs_run_delayed_refs+0xd70/0x3354 [ 81.022436][ T5164] btrfs_run_delayed_refs+0x124/0x46c [ 81.023220][ T5164] btrfs_commit_transaction+0x1b8/0x3044 [ 81.024110][ T5164] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 81.024868][ T5164] btrfs_ioctl+0x5f0/0xb38 [ 81.025506][ T5164] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.026293][ T5164] invoke_syscall+0x98/0x2b8 [ 81.026968][ T5164] el0_svc_common+0x138/0x258 [ 81.027685][ T5164] do_el0_svc+0x58/0x14c [ 81.028265][ T5164] el0_svc+0x78/0x1e0 [ 81.028860][ T5164] el0t_64_sync_handler+0xcc/0xe4 [ 81.029674][ T5164] el0t_64_sync+0x1a0/0x1a4 [ 81.032052][ T5164] BTRFS error (device loop0): failed to run delayed ref for logical 5251072 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 81.034049][ T5164] ------------[ cut here ]------------ [ 81.036447][ T5164] WARNING: CPU: 1 PID: 5164 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 81.037992][ T5164] Modules linked in: [ 81.038567][ T5164] CPU: 1 PID: 5164 Comm: syz.0.25 Tainted: G W syzkaller #0 [ 81.039827][ T5164] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.041404][ T5164] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 81.042621][ T5164] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 81.043522][ T5164] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 81.044423][ T5164] sp : ffff8000208f77d0 [ 81.045068][ T5164] x29: ffff8000208f77e0 x28: ffff0000ca24d000 x27: dfff800000000000 [ 81.046347][ T5164] x26: ffff0000ca24d024 x25: ffff0000da2f8000 x24: 1fffe0001c5011d9 [ 81.047649][ T5164] x23: 1fffe0001c5011d9 x22: ffff0000e2808ec8 x21: 00000000fffffff4 [ 81.048988][ T5164] x20: 0000000000000051 x19: ffff0000e2808e70 x18: 0000000000000001 [ 81.050304][ T5164] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 81.051620][ T5164] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 81.052897][ T5164] x11: 0000000000000000 x10: 0000000000000000 x9 : e8b4f787bd56d200 [ 81.054087][ T5164] x8 : e8b4f787bd56d200 x7 : 0000000000000001 x6 : 0000000000000001 [ 81.055258][ T5164] x5 : ffff8000208f70b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 81.056472][ T5164] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 81.057595][ T5164] Call trace: [ 81.058060][ T5164] btrfs_run_delayed_refs+0x3f4/0x46c [ 81.058893][ T5164] btrfs_commit_transaction+0x1b8/0x3044 [ 81.059825][ T5164] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 81.060720][ T5164] btrfs_ioctl+0x5f0/0xb38 [ 81.061408][ T5164] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.062142][ T5164] invoke_syscall+0x98/0x2b8 [ 81.062891][ T5164] el0_svc_common+0x138/0x258 [ 81.063616][ T5164] do_el0_svc+0x58/0x14c [ 81.064210][ T5164] el0_svc+0x78/0x1e0 [ 81.064842][ T5164] el0t_64_sync_handler+0xcc/0xe4 [ 81.065656][ T5164] el0t_64_sync+0x1a0/0x1a4 [ 81.066377][ T5164] irq event stamp: 79516 [ 81.067072][ T5164] hardirqs last enabled at (79515): [] __up_console_sem+0xb4/0x100 [ 81.068596][ T5164] hardirqs last disabled at (79516): [] el1_dbg+0x24/0x80 [ 81.069917][ T5164] softirqs last enabled at (79504): [] handle_softirqs+0xa4c/0xbf0 [ 81.071467][ T5164] softirqs last disabled at (79471): [] __irq_exit_rcu+0x240/0x440 [ 81.072985][ T5164] ---[ end trace 16531de42d73390c ]--- [ 81.075802][ T5164] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 81.274676][ T5185] loop0: detected capacity change from 0 to 32768 [ 81.316722][ T5185] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.26 (5185) [ 81.344680][ T5185] FAULT_INJECTION: forcing a failure. [ 81.344680][ T5185] name failslab, interval 1, probability 0, space 0, times 0 [ 81.346895][ T5185] CPU: 0 PID: 5185 Comm: syz.0.26 Tainted: G W syzkaller #0 [ 81.348306][ T5185] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.349971][ T5185] Call trace: [ 81.350476][ T5185] dump_backtrace+0x0/0x43c [ 81.351236][ T5185] show_stack+0x2c/0x3c [ 81.351884][ T5185] __dump_stack+0x30/0x40 [ 81.352593][ T5185] dump_stack_lvl+0xf8/0x160 [ 81.353333][ T5185] dump_stack+0x1c/0x5c [ 81.354001][ T5185] should_fail+0x3c0/0x51c [ 81.354629][ T5185] __should_failslab+0xbc/0x10c [ 81.355423][ T5185] should_failslab+0x10/0x28 [ 81.356093][ T5185] slab_pre_alloc_hook+0x64/0xec [ 81.356854][ T5185] kmem_cache_alloc+0x94/0x3e4 [ 81.357590][ T5185] btrfs_alloc_path+0x5c/0x68 [ 81.358301][ T5185] __btrfs_run_delayed_refs+0xd70/0x3354 [ 81.359162][ T5185] btrfs_run_delayed_refs+0x124/0x46c [ 81.360031][ T5185] btrfs_commit_transaction+0x1b8/0x3044 [ 81.360854][ T5185] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 81.361672][ T5185] btrfs_ioctl+0x5f0/0xb38 [ 81.362319][ T5185] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.363106][ T5185] invoke_syscall+0x98/0x2b8 [ 81.363785][ T5185] el0_svc_common+0x138/0x258 [ 81.364513][ T5185] do_el0_svc+0x58/0x14c [ 81.365161][ T5185] el0_svc+0x78/0x1e0 [ 81.365815][ T5185] el0t_64_sync_handler+0xcc/0xe4 [ 81.366536][ T5185] el0t_64_sync+0x1a0/0x1a4 [ 81.370010][ T5185] BTRFS error (device loop0): failed to run delayed ref for logical 5251072 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 81.371912][ T5185] ------------[ cut here ]------------ [ 81.372953][ T5185] WARNING: CPU: 0 PID: 5185 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 81.374531][ T5185] Modules linked in: [ 81.375142][ T5185] CPU: 0 PID: 5185 Comm: syz.0.26 Tainted: G W syzkaller #0 [ 81.376438][ T5185] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.378067][ T5185] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 81.379305][ T5185] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 81.380106][ T5185] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 81.380942][ T5185] sp : ffff8000208f77d0 [ 81.381531][ T5185] x29: ffff8000208f77e0 x28: ffff0000d982e000 x27: dfff800000000000 [ 81.382725][ T5185] x26: ffff0000d982e024 x25: ffff0000c8654000 x24: 1fffe0001c5011ef [ 81.383905][ T5185] x23: 1fffe0001c5011ef x22: ffff0000e2808f78 x21: 00000000fffffff4 [ 81.385125][ T5185] x20: 0000000000000051 x19: ffff0000e2808f20 x18: 0000000000000001 [ 81.386360][ T5185] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 81.387554][ T5185] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 81.388853][ T5185] x11: 0000000000000000 x10: 0000000000000000 x9 : b067c7ec3dbb9f00 [ 81.390132][ T5185] x8 : b067c7ec3dbb9f00 x7 : 0000000000000001 x6 : 0000000000000001 [ 81.391447][ T5185] x5 : ffff8000208f70b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 81.392731][ T5185] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 81.393960][ T5185] Call trace: [ 81.394478][ T5185] btrfs_run_delayed_refs+0x3f4/0x46c [ 81.395295][ T5185] btrfs_commit_transaction+0x1b8/0x3044 [ 81.396119][ T5185] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 81.396949][ T5185] btrfs_ioctl+0x5f0/0xb38 [ 81.397627][ T5185] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.398454][ T5185] invoke_syscall+0x98/0x2b8 [ 81.399119][ T5185] el0_svc_common+0x138/0x258 [ 81.399812][ T5185] do_el0_svc+0x58/0x14c [ 81.400498][ T5185] el0_svc+0x78/0x1e0 [ 81.401066][ T5185] el0t_64_sync_handler+0xcc/0xe4 [ 81.401911][ T5185] el0t_64_sync+0x1a0/0x1a4 [ 81.402662][ T5185] irq event stamp: 79152 [ 81.403337][ T5185] hardirqs last enabled at (79151): [] __up_console_sem+0xb4/0x100 [ 81.404796][ T5185] hardirqs last disabled at (79152): [] el1_dbg+0x24/0x80 [ 81.406197][ T5185] softirqs last enabled at (79118): [] handle_softirqs+0xa4c/0xbf0 [ 81.407645][ T5185] softirqs last disabled at (79099): [] __irq_exit_rcu+0x240/0x440 [ 81.409176][ T5185] ---[ end trace 16531de42d73390d ]--- [ 81.412296][ T5185] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 81.580745][ T5207] loop0: detected capacity change from 0 to 32768 [ 81.625471][ T5207] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.27 (5207) [ 81.653096][ T5207] FAULT_INJECTION: forcing a failure. [ 81.653096][ T5207] name failslab, interval 1, probability 0, space 0, times 0 [ 81.655271][ T5207] CPU: 0 PID: 5207 Comm: syz.0.27 Tainted: G W syzkaller #0 [ 81.656501][ T5207] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.657997][ T5207] Call trace: [ 81.658460][ T5207] dump_backtrace+0x0/0x43c [ 81.659158][ T5207] show_stack+0x2c/0x3c [ 81.659794][ T5207] __dump_stack+0x30/0x40 [ 81.660479][ T5207] dump_stack_lvl+0xf8/0x160 [ 81.661114][ T5207] dump_stack+0x1c/0x5c [ 81.661698][ T5207] should_fail+0x3c0/0x51c [ 81.662310][ T5207] __should_failslab+0xbc/0x10c [ 81.663023][ T5207] should_failslab+0x10/0x28 [ 81.663711][ T5207] slab_pre_alloc_hook+0x64/0xec [ 81.664439][ T5207] kmem_cache_alloc+0x94/0x3e4 [ 81.665096][ T5207] btrfs_alloc_path+0x5c/0x68 [ 81.665783][ T5207] __btrfs_free_extent+0x19c/0x1aa4 [ 81.666573][ T5207] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 81.667432][ T5207] btrfs_run_delayed_refs+0x124/0x46c [ 81.668219][ T5207] btrfs_commit_transaction+0x1b8/0x3044 [ 81.669038][ T5207] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 81.669867][ T5207] btrfs_ioctl+0x5f0/0xb38 [ 81.670527][ T5207] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.671279][ T5207] invoke_syscall+0x98/0x2b8 [ 81.672017][ T5207] el0_svc_common+0x138/0x258 [ 81.672673][ T5207] do_el0_svc+0x58/0x14c [ 81.673267][ T5207] el0_svc+0x78/0x1e0 [ 81.673829][ T5207] el0t_64_sync_handler+0xcc/0xe4 [ 81.674534][ T5207] el0t_64_sync+0x1a0/0x1a4 [ 81.677274][ T5207] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 81.679206][ T5207] ------------[ cut here ]------------ [ 81.680123][ T5207] WARNING: CPU: 0 PID: 5207 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 81.681539][ T5207] Modules linked in: [ 81.682119][ T5207] CPU: 0 PID: 5207 Comm: syz.0.27 Tainted: G W syzkaller #0 [ 81.683412][ T5207] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.684949][ T5207] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 81.686229][ T5207] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 81.687162][ T5207] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 81.688097][ T5207] sp : ffff8000207077d0 [ 81.688750][ T5207] x29: ffff8000207077e0 x28: ffff0000ca24a000 x27: dfff800000000000 [ 81.689922][ T5207] x26: ffff0000ca24a024 x25: ffff0000d82c4000 x24: 1fffe0001c525421 [ 81.691187][ T5207] x23: 1fffe0001c525421 x22: ffff0000e292a108 x21: 00000000fffffff4 [ 81.692376][ T5207] x20: 0000000000000051 x19: ffff0000e292a0b0 x18: 0000000000000001 [ 81.693588][ T5207] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 81.694818][ T5207] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 81.696003][ T5207] x11: 0000000000000000 x10: 0000000000000000 x9 : afbfca2435c9a700 [ 81.697224][ T5207] x8 : afbfca2435c9a700 x7 : 0000000000000001 x6 : 0000000000000001 [ 81.698470][ T5207] x5 : ffff8000207070b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 81.699654][ T5207] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 81.700810][ T5207] Call trace: [ 81.701324][ T5207] btrfs_run_delayed_refs+0x3f4/0x46c [ 81.702145][ T5207] btrfs_commit_transaction+0x1b8/0x3044 [ 81.703088][ T5207] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 81.703952][ T5207] btrfs_ioctl+0x5f0/0xb38 [ 81.704648][ T5207] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.705417][ T5207] invoke_syscall+0x98/0x2b8 [ 81.706085][ T5207] el0_svc_common+0x138/0x258 [ 81.706778][ T5207] do_el0_svc+0x58/0x14c [ 81.707388][ T5207] el0_svc+0x78/0x1e0 [ 81.707960][ T5207] el0t_64_sync_handler+0xcc/0xe4 [ 81.708683][ T5207] el0t_64_sync+0x1a0/0x1a4 [ 81.709413][ T5207] irq event stamp: 79074 [ 81.709994][ T5207] hardirqs last enabled at (79073): [] __up_console_sem+0xb4/0x100 [ 81.711388][ T5207] hardirqs last disabled at (79074): [] el1_dbg+0x24/0x80 [ 81.712719][ T5207] softirqs last enabled at (79042): [] handle_softirqs+0xa4c/0xbf0 [ 81.714138][ T5207] softirqs last disabled at (78999): [] __irq_exit_rcu+0x240/0x440 [ 81.715522][ T5207] ---[ end trace 16531de42d73390e ]--- [ 81.717502][ T5207] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 81.856126][ T5229] loop0: detected capacity change from 0 to 32768 [ 81.895657][ T5229] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.28 (5229) [ 81.919887][ T5229] FAULT_INJECTION: forcing a failure. [ 81.919887][ T5229] name failslab, interval 1, probability 0, space 0, times 0 [ 81.921917][ T5229] CPU: 1 PID: 5229 Comm: syz.0.28 Tainted: G W syzkaller #0 [ 81.923231][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.924769][ T5229] Call trace: [ 81.925287][ T5229] dump_backtrace+0x0/0x43c [ 81.925944][ T5229] show_stack+0x2c/0x3c [ 81.926529][ T5229] __dump_stack+0x30/0x40 [ 81.927180][ T5229] dump_stack_lvl+0xf8/0x160 [ 81.927883][ T5229] dump_stack+0x1c/0x5c [ 81.928482][ T5229] should_fail+0x3c0/0x51c [ 81.929181][ T5229] __should_failslab+0xbc/0x10c [ 81.929932][ T5229] should_failslab+0x10/0x28 [ 81.930664][ T5229] slab_pre_alloc_hook+0x64/0xec [ 81.931440][ T5229] kmem_cache_alloc+0x94/0x3e4 [ 81.932203][ T5229] btrfs_alloc_path+0x5c/0x68 [ 81.932899][ T5229] __btrfs_run_delayed_refs+0xd70/0x3354 [ 81.933779][ T5229] btrfs_run_delayed_refs+0x124/0x46c [ 81.934609][ T5229] btrfs_commit_transaction+0x1b8/0x3044 [ 81.935470][ T5229] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 81.936313][ T5229] btrfs_ioctl+0x5f0/0xb38 [ 81.936952][ T5229] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.937677][ T5229] invoke_syscall+0x98/0x2b8 [ 81.938334][ T5229] el0_svc_common+0x138/0x258 [ 81.939097][ T5229] do_el0_svc+0x58/0x14c [ 81.939755][ T5229] el0_svc+0x78/0x1e0 [ 81.940382][ T5229] el0t_64_sync_handler+0xcc/0xe4 [ 81.941178][ T5229] el0t_64_sync+0x1a0/0x1a4 [ 81.944765][ T5229] BTRFS error (device loop0): failed to run delayed ref for logical 5246976 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 81.946788][ T5229] ------------[ cut here ]------------ [ 81.947696][ T5229] WARNING: CPU: 0 PID: 5229 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 81.949195][ T5229] Modules linked in: [ 81.949733][ T5229] CPU: 0 PID: 5229 Comm: syz.0.28 Tainted: G W syzkaller #0 [ 81.951030][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.952427][ T5229] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 81.953690][ T5229] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 81.954545][ T5229] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 81.955452][ T5229] sp : ffff800020ff77d0 [ 81.956127][ T5229] x29: ffff800020ff77e0 x28: ffff0000d982c000 x27: dfff800000000000 [ 81.957344][ T5229] x26: ffff0000d982c024 x25: ffff0000d79d4000 x24: 1fffe0001c50a33f [ 81.958643][ T5229] x23: 1fffe0001c50a33f x22: ffff0000e28519f8 x21: 00000000fffffff4 [ 81.959828][ T5229] x20: 0000000000000051 x19: ffff0000e28519a0 x18: 0000000000000001 [ 81.961041][ T5229] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 81.962315][ T5229] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 81.963458][ T5229] x11: 0000000000000000 x10: 0000000000000000 x9 : ff67030e5fd38f00 [ 81.964680][ T5229] x8 : ff67030e5fd38f00 x7 : 0000000000000001 x6 : 0000000000000001 [ 81.965846][ T5229] x5 : ffff800020ff70b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 81.967054][ T5229] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 81.968245][ T5229] Call trace: [ 81.968727][ T5229] btrfs_run_delayed_refs+0x3f4/0x46c [ 81.969537][ T5229] btrfs_commit_transaction+0x1b8/0x3044 [ 81.970373][ T5229] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 81.971119][ T5229] btrfs_ioctl+0x5f0/0xb38 [ 81.971778][ T5229] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.972506][ T5229] invoke_syscall+0x98/0x2b8 [ 81.973191][ T5229] el0_svc_common+0x138/0x258 [ 81.973839][ T5229] do_el0_svc+0x58/0x14c [ 81.974453][ T5229] el0_svc+0x78/0x1e0 [ 81.975036][ T5229] el0t_64_sync_handler+0xcc/0xe4 [ 81.975750][ T5229] el0t_64_sync+0x1a0/0x1a4 [ 81.976352][ T5229] irq event stamp: 79902 [ 81.977044][ T5229] hardirqs last enabled at (79901): [] __up_console_sem+0xb4/0x100 [ 81.978638][ T5229] hardirqs last disabled at (79902): [] el1_dbg+0x24/0x80 [ 81.979972][ T5229] softirqs last enabled at (79868): [] handle_softirqs+0xa4c/0xbf0 [ 81.981376][ T5229] softirqs last disabled at (79827): [] __irq_exit_rcu+0x240/0x440 [ 81.982873][ T5229] ---[ end trace 16531de42d73390f ]--- [ 81.984433][ T5229] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 82.129383][ T5251] loop0: detected capacity change from 0 to 32768 [ 82.137228][ T5251] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.29 (5251) [ 82.151787][ T5251] FAULT_INJECTION: forcing a failure. [ 82.151787][ T5251] name failslab, interval 1, probability 0, space 0, times 0 [ 82.153678][ T5251] CPU: 1 PID: 5251 Comm: syz.0.29 Tainted: G W syzkaller #0 [ 82.154941][ T5251] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.156452][ T5251] Call trace: [ 82.156901][ T5251] dump_backtrace+0x0/0x43c [ 82.157599][ T5251] show_stack+0x2c/0x3c [ 82.158234][ T5251] __dump_stack+0x30/0x40 [ 82.158832][ T5251] dump_stack_lvl+0xf8/0x160 [ 82.159494][ T5251] dump_stack+0x1c/0x5c [ 82.160091][ T5251] should_fail+0x3c0/0x51c [ 82.160717][ T5251] __should_failslab+0xbc/0x10c [ 82.161437][ T5251] should_failslab+0x10/0x28 [ 82.162117][ T5251] slab_pre_alloc_hook+0x64/0xec [ 82.162774][ T5251] kmem_cache_alloc+0x94/0x3e4 [ 82.163459][ T5251] btrfs_alloc_path+0x5c/0x68 [ 82.164194][ T5251] __btrfs_run_delayed_refs+0xd70/0x3354 [ 82.164971][ T5251] btrfs_run_delayed_refs+0x124/0x46c [ 82.165777][ T5251] btrfs_commit_transaction+0x1b8/0x3044 [ 82.166564][ T5251] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 82.167353][ T5251] btrfs_ioctl+0x5f0/0xb38 [ 82.168002][ T5251] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.168624][ T5251] invoke_syscall+0x98/0x2b8 [ 82.169254][ T5251] el0_svc_common+0x138/0x258 [ 82.169918][ T5251] do_el0_svc+0x58/0x14c [ 82.170610][ T5251] el0_svc+0x78/0x1e0 [ 82.171208][ T5251] el0t_64_sync_handler+0xcc/0xe4 [ 82.172013][ T5251] el0t_64_sync+0x1a0/0x1a4 [ 82.174388][ T5251] BTRFS error (device loop0): failed to run delayed ref for logical 5251072 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 82.176313][ T5251] ------------[ cut here ]------------ [ 82.177293][ T5251] WARNING: CPU: 1 PID: 5251 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 82.178792][ T5251] Modules linked in: [ 82.179347][ T5251] CPU: 1 PID: 5251 Comm: syz.0.29 Tainted: G W syzkaller #0 [ 82.180629][ T5251] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.182081][ T5251] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 82.183172][ T5251] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 82.184003][ T5251] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 82.184850][ T5251] sp : ffff8000211477d0 [ 82.185474][ T5251] x29: ffff8000211477e0 x28: ffff0000d982d000 x27: dfff800000000000 [ 82.186674][ T5251] x26: ffff0000d982d024 x25: ffff0000d79d4000 x24: 1fffe0001c50a381 [ 82.187887][ T5251] x23: 1fffe0001c50a381 x22: ffff0000e2851c08 x21: 00000000fffffff4 [ 82.189117][ T5251] x20: 0000000000000051 x19: ffff0000e2851bb0 x18: 0000000000000001 [ 82.190295][ T5251] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 82.191528][ T5251] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 82.192691][ T5251] x11: 0000000000000000 x10: 0000000000000000 x9 : 77598ea2bad6c700 [ 82.193854][ T5251] x8 : 77598ea2bad6c700 x7 : 0000000000000001 x6 : 0000000000000001 [ 82.194964][ T5251] x5 : ffff8000211470b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 82.196108][ T5251] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 82.197251][ T5251] Call trace: [ 82.197718][ T5251] btrfs_run_delayed_refs+0x3f4/0x46c [ 82.198465][ T5251] btrfs_commit_transaction+0x1b8/0x3044 [ 82.199297][ T5251] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 82.200033][ T5251] btrfs_ioctl+0x5f0/0xb38 [ 82.200670][ T5251] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.201407][ T5251] invoke_syscall+0x98/0x2b8 [ 82.202125][ T5251] el0_svc_common+0x138/0x258 [ 82.202817][ T5251] do_el0_svc+0x58/0x14c [ 82.203461][ T5251] el0_svc+0x78/0x1e0 [ 82.204075][ T5251] el0t_64_sync_handler+0xcc/0xe4 [ 82.204816][ T5251] el0t_64_sync+0x1a0/0x1a4 [ 82.205498][ T5251] irq event stamp: 79612 [ 82.206121][ T5251] hardirqs last enabled at (79611): [] __up_console_sem+0xb4/0x100 [ 82.207542][ T5251] hardirqs last disabled at (79612): [] el1_dbg+0x24/0x80 [ 82.208823][ T5251] softirqs last enabled at (79578): [] handle_softirqs+0xa4c/0xbf0 [ 82.210177][ T5251] softirqs last disabled at (79555): [] __irq_exit_rcu+0x240/0x440 [ 82.211445][ T5251] ---[ end trace 16531de42d733910 ]--- [ 82.215675][ T5251] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 82.349712][ T5273] loop0: detected capacity change from 0 to 32768 [ 82.475028][ T5273] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.30 (5273) [ 82.603915][ T5273] FAULT_INJECTION: forcing a failure. [ 82.603915][ T5273] name failslab, interval 1, probability 0, space 0, times 0 [ 82.605990][ T5273] CPU: 0 PID: 5273 Comm: syz.0.30 Tainted: G W syzkaller #0 [ 82.607220][ T5273] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.608740][ T5273] Call trace: [ 82.609213][ T5273] dump_backtrace+0x0/0x43c [ 82.609841][ T5273] show_stack+0x2c/0x3c [ 82.610444][ T5273] __dump_stack+0x30/0x40 [ 82.611070][ T5273] dump_stack_lvl+0xf8/0x160 [ 82.611730][ T5273] dump_stack+0x1c/0x5c [ 82.612318][ T5273] should_fail+0x3c0/0x51c [ 82.612919][ T5273] __should_failslab+0xbc/0x10c [ 82.613604][ T5273] should_failslab+0x10/0x28 [ 82.614252][ T5273] slab_pre_alloc_hook+0x64/0xec [ 82.615044][ T5273] kmem_cache_alloc+0x94/0x3e4 [ 82.615738][ T5273] btrfs_alloc_path+0x5c/0x68 [ 82.616424][ T5273] __btrfs_run_delayed_refs+0xd70/0x3354 [ 82.617267][ T5273] btrfs_run_delayed_refs+0x124/0x46c [ 82.618022][ T5273] btrfs_commit_transaction+0x1b8/0x3044 [ 82.618868][ T5273] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 82.619685][ T5273] btrfs_ioctl+0x5f0/0xb38 [ 82.620300][ T5273] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.620990][ T5273] invoke_syscall+0x98/0x2b8 [ 82.621682][ T5273] el0_svc_common+0x138/0x258 [ 82.622358][ T5273] do_el0_svc+0x58/0x14c [ 82.622963][ T5273] el0_svc+0x78/0x1e0 [ 82.623543][ T5273] el0t_64_sync_handler+0xcc/0xe4 [ 82.624237][ T5273] el0t_64_sync+0x1a0/0x1a4 [ 82.641045][ T5273] BTRFS error (device loop0): failed to run delayed ref for logical 5246976 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 82.643041][ T5273] ------------[ cut here ]------------ [ 82.643962][ T5273] WARNING: CPU: 0 PID: 5273 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 82.645497][ T5273] Modules linked in: [ 82.646098][ T5273] CPU: 0 PID: 5273 Comm: syz.0.30 Tainted: G W syzkaller #0 [ 82.647450][ T5273] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.648982][ T5273] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 82.650177][ T5273] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 82.651042][ T5273] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 82.651946][ T5273] sp : ffff8000210077d0 [ 82.652585][ T5273] x29: ffff8000210077e0 x28: ffff0000c803c000 x27: dfff800000000000 [ 82.653788][ T5273] x26: ffff0000c803c024 x25: ffff0000d79d4000 x24: 1fffe0001c525463 [ 82.655010][ T5273] x23: 1fffe0001c525463 x22: ffff0000e292a318 x21: 00000000fffffff4 [ 82.656174][ T5273] x20: 0000000000000051 x19: ffff0000e292a2c0 x18: 0000000000000001 [ 82.657352][ T5273] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 82.658492][ T5273] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 82.659689][ T5273] x11: 0000000000000000 x10: 0000000000000000 x9 : 50f1ac9c5d938300 [ 82.660881][ T5273] x8 : 50f1ac9c5d938300 x7 : 0000000000000001 x6 : 0000000000000001 [ 82.662047][ T5273] x5 : ffff8000210070b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 82.663189][ T5273] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 82.664398][ T5273] Call trace: [ 82.664844][ T5273] btrfs_run_delayed_refs+0x3f4/0x46c [ 82.665628][ T5273] btrfs_commit_transaction+0x1b8/0x3044 [ 82.666512][ T5273] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 82.667324][ T5273] btrfs_ioctl+0x5f0/0xb38 [ 82.667984][ T5273] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.668711][ T5273] invoke_syscall+0x98/0x2b8 [ 82.669351][ T5273] el0_svc_common+0x138/0x258 [ 82.669974][ T5273] do_el0_svc+0x58/0x14c [ 82.670606][ T5273] el0_svc+0x78/0x1e0 [ 82.671179][ T5273] el0t_64_sync_handler+0xcc/0xe4 [ 82.671877][ T5273] el0t_64_sync+0x1a0/0x1a4 [ 82.672501][ T5273] irq event stamp: 79566 [ 82.673130][ T5273] hardirqs last enabled at (79565): [] __up_console_sem+0xb4/0x100 [ 82.674496][ T5273] hardirqs last disabled at (79566): [] el1_dbg+0x24/0x80 [ 82.675706][ T5273] softirqs last enabled at (79532): [] handle_softirqs+0xa4c/0xbf0 [ 82.677028][ T5273] softirqs last disabled at (79493): [] __irq_exit_rcu+0x240/0x440 [ 82.678418][ T5273] ---[ end trace 16531de42d733911 ]--- [ 82.680280][ T5273] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 82.890083][ T5296] loop0: detected capacity change from 0 to 32768 [ 82.901785][ T5296] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.31 (5296) [ 82.970366][ T5296] FAULT_INJECTION: forcing a failure. [ 82.970366][ T5296] name failslab, interval 1, probability 0, space 0, times 0 [ 82.972448][ T5296] CPU: 0 PID: 5296 Comm: syz.0.31 Tainted: G W syzkaller #0 [ 82.973824][ T5296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.975518][ T5296] Call trace: [ 82.976069][ T5296] dump_backtrace+0x0/0x43c [ 82.976864][ T5296] show_stack+0x2c/0x3c [ 82.977549][ T5296] __dump_stack+0x30/0x40 [ 82.978238][ T5296] dump_stack_lvl+0xf8/0x160 [ 82.978923][ T5296] dump_stack+0x1c/0x5c [ 82.979605][ T5296] should_fail+0x3c0/0x51c [ 82.980294][ T5296] __should_failslab+0xbc/0x10c [ 82.981035][ T5296] should_failslab+0x10/0x28 [ 82.981756][ T5296] slab_pre_alloc_hook+0x64/0xec [ 82.982509][ T5296] kmem_cache_alloc+0x94/0x3e4 [ 82.983205][ T5296] btrfs_alloc_path+0x5c/0x68 [ 82.983972][ T5296] __btrfs_run_delayed_refs+0xd70/0x3354 [ 82.984814][ T5296] btrfs_run_delayed_refs+0x124/0x46c [ 82.985635][ T5296] btrfs_commit_transaction+0x1b8/0x3044 [ 82.986541][ T5296] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 82.987373][ T5296] btrfs_ioctl+0x5f0/0xb38 [ 82.988058][ T5296] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.988730][ T5296] invoke_syscall+0x98/0x2b8 [ 82.989399][ T5296] el0_svc_common+0x138/0x258 [ 82.990102][ T5296] do_el0_svc+0x58/0x14c [ 82.990748][ T5296] el0_svc+0x78/0x1e0 [ 82.991314][ T5296] el0t_64_sync_handler+0xcc/0xe4 [ 82.992046][ T5296] el0t_64_sync+0x1a0/0x1a4 [ 82.993898][ T5296] BTRFS error (device loop0): failed to run delayed ref for logical 5246976 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 82.997035][ T5296] ------------[ cut here ]------------ [ 82.997882][ T5296] WARNING: CPU: 0 PID: 5296 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 82.999295][ T5296] Modules linked in: [ 82.999845][ T5296] CPU: 0 PID: 5296 Comm: syz.0.31 Tainted: G W syzkaller #0 [ 83.001159][ T5296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.002542][ T5296] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 83.003694][ T5296] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 83.004531][ T5296] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 83.005354][ T5296] sp : ffff8000212977d0 [ 83.005981][ T5296] x29: ffff8000212977e0 x28: ffff0000c803f000 x27: dfff800000000000 [ 83.007197][ T5296] x26: ffff0000c803f024 x25: ffff0000dc0f8000 x24: 1fffe0001c52548f [ 83.008441][ T5296] x23: 1fffe0001c52548f x22: ffff0000e292a478 x21: 00000000fffffff4 [ 83.009678][ T5296] x20: 0000000000000051 x19: ffff0000e292a420 x18: 0000000000000001 [ 83.010967][ T5296] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 83.012170][ T5296] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 83.013352][ T5296] x11: 0000000000000000 x10: 0000000000000000 x9 : 009f2032690ba600 [ 83.014571][ T5296] x8 : 009f2032690ba600 x7 : 0000000000000001 x6 : 0000000000000001 [ 83.015803][ T5296] x5 : ffff8000212970b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 83.017040][ T5296] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 83.018293][ T5296] Call trace: [ 83.018754][ T5296] btrfs_run_delayed_refs+0x3f4/0x46c [ 83.019507][ T5296] btrfs_commit_transaction+0x1b8/0x3044 [ 83.020376][ T5296] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 83.021161][ T5296] btrfs_ioctl+0x5f0/0xb38 [ 83.021823][ T5296] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.022574][ T5296] invoke_syscall+0x98/0x2b8 [ 83.023234][ T5296] el0_svc_common+0x138/0x258 [ 83.023926][ T5296] do_el0_svc+0x58/0x14c [ 83.024605][ T5296] el0_svc+0x78/0x1e0 [ 83.025196][ T5296] el0t_64_sync_handler+0xcc/0xe4 [ 83.025960][ T5296] el0t_64_sync+0x1a0/0x1a4 [ 83.026558][ T5296] irq event stamp: 79258 [ 83.027166][ T5296] hardirqs last enabled at (79257): [] __up_console_sem+0xb4/0x100 [ 83.028710][ T5296] hardirqs last disabled at (79258): [] el1_dbg+0x24/0x80 [ 83.030006][ T5296] softirqs last enabled at (79234): [] handle_softirqs+0xa4c/0xbf0 [ 83.031435][ T5296] softirqs last disabled at (79205): [] __irq_exit_rcu+0x240/0x440 [ 83.032798][ T5296] ---[ end trace 16531de42d733912 ]--- [ 83.033728][ T5296] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 83.227042][ T5318] loop0: detected capacity change from 0 to 32768 [ 83.236175][ T5318] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.32 (5318) [ 83.259702][ T5318] FAULT_INJECTION: forcing a failure. [ 83.259702][ T5318] name failslab, interval 1, probability 0, space 0, times 0 [ 83.261663][ T5318] CPU: 0 PID: 5318 Comm: syz.0.32 Tainted: G W syzkaller #0 [ 83.262993][ T5318] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.264529][ T5318] Call trace: [ 83.264997][ T5318] dump_backtrace+0x0/0x43c [ 83.265626][ T5318] show_stack+0x2c/0x3c [ 83.266254][ T5318] __dump_stack+0x30/0x40 [ 83.266860][ T5318] dump_stack_lvl+0xf8/0x160 [ 83.267584][ T5318] dump_stack+0x1c/0x5c [ 83.268225][ T5318] should_fail+0x3c0/0x51c [ 83.268915][ T5318] __should_failslab+0xbc/0x10c [ 83.269595][ T5318] should_failslab+0x10/0x28 [ 83.270268][ T5318] slab_pre_alloc_hook+0x64/0xec [ 83.271041][ T5318] kmem_cache_alloc+0x94/0x3e4 [ 83.271780][ T5318] start_transaction+0x4d0/0x13f0 [ 83.272507][ T5318] btrfs_start_transaction+0x34/0x44 [ 83.273234][ T5318] btrfs_ioctl_set_fslabel+0x28c/0x384 [ 83.273993][ T5318] btrfs_ioctl+0x5f0/0xb38 [ 83.274698][ T5318] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.275380][ T5318] invoke_syscall+0x98/0x2b8 [ 83.276042][ T5318] el0_svc_common+0x138/0x258 [ 83.276719][ T5318] do_el0_svc+0x58/0x14c [ 83.277326][ T5318] el0_svc+0x78/0x1e0 [ 83.277945][ T5318] el0t_64_sync_handler+0xcc/0xe4 [ 83.278662][ T5318] el0t_64_sync+0x1a0/0x1a4 [ 83.319042][ T4967] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 11 /dev/loop0 scanned by udevd (4967) 1970/01/01 00:01:23 executed programs: 19 [ 83.420784][ T5339] loop0: detected capacity change from 0 to 32768 [ 83.546025][ T5339] btrfs_printk: 119 callbacks suppressed [ 83.546034][ T5339] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 83.548385][ T5339] BTRFS info (device loop0): enabling auto defrag [ 83.549385][ T5339] BTRFS info (device loop0): enabling ssd optimizations [ 83.550474][ T5339] BTRFS info (device loop0): using spread ssd allocation scheme [ 83.551572][ T5339] BTRFS info (device loop0): max_inline at 0 [ 83.552455][ T5339] BTRFS info (device loop0): force clearing of disk cache [ 83.553497][ T5339] BTRFS info (device loop0): turning on sync discard [ 83.555000][ T5339] BTRFS info (device loop0): disabling free space tree [ 83.556001][ T5339] BTRFS info (device loop0): has skinny extents [ 83.564064][ T5339] BTRFS info (device loop0): clearing free space tree [ 83.565325][ T5339] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 83.566797][ T5339] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 83.572778][ T5339] FAULT_INJECTION: forcing a failure. [ 83.572778][ T5339] name failslab, interval 1, probability 0, space 0, times 0 [ 83.574880][ T5339] CPU: 1 PID: 5339 Comm: syz.0.33 Tainted: G W syzkaller #0 [ 83.576221][ T5339] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.577708][ T5339] Call trace: [ 83.578184][ T5339] dump_backtrace+0x0/0x43c [ 83.578825][ T5339] show_stack+0x2c/0x3c [ 83.579484][ T5339] __dump_stack+0x30/0x40 [ 83.580173][ T5339] dump_stack_lvl+0xf8/0x160 [ 83.580868][ T5339] dump_stack+0x1c/0x5c [ 83.581490][ T5339] should_fail+0x3c0/0x51c [ 83.582168][ T5339] __should_failslab+0xbc/0x10c [ 83.582888][ T5339] should_failslab+0x10/0x28 [ 83.583553][ T5339] slab_pre_alloc_hook+0x64/0xec [ 83.584273][ T5339] kmem_cache_alloc+0x94/0x3e4 [ 83.584959][ T5339] btrfs_alloc_path+0x5c/0x68 [ 83.585620][ T5339] __btrfs_free_extent+0x19c/0x1aa4 [ 83.586384][ T5339] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 83.587248][ T5339] btrfs_run_delayed_refs+0x124/0x46c [ 83.588066][ T5339] btrfs_commit_transaction+0x1b8/0x3044 [ 83.588949][ T5339] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 83.589754][ T5339] btrfs_ioctl+0x5f0/0xb38 [ 83.590470][ T5339] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.591249][ T5339] invoke_syscall+0x98/0x2b8 [ 83.591955][ T5339] el0_svc_common+0x138/0x258 [ 83.592679][ T5339] do_el0_svc+0x58/0x14c [ 83.593293][ T5339] el0_svc+0x78/0x1e0 [ 83.593889][ T5339] el0t_64_sync_handler+0xcc/0xe4 [ 83.594695][ T5339] el0t_64_sync+0x1a0/0x1a4 [ 83.597613][ T5339] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 83.599375][ T5339] ------------[ cut here ]------------ [ 83.600248][ T5339] WARNING: CPU: 1 PID: 5339 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 83.601795][ T5339] Modules linked in: [ 83.602346][ T5339] CPU: 1 PID: 5339 Comm: syz.0.33 Tainted: G W syzkaller #0 [ 83.603622][ T5339] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.605108][ T5339] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 83.606250][ T5339] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 83.607135][ T5339] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 83.607922][ T5339] sp : ffff8000215b77d0 [ 83.608572][ T5339] x29: ffff8000215b77e0 x28: ffff0000c8494000 x27: dfff800000000000 [ 83.609738][ T5339] x26: ffff0000c8494024 x25: ffff0000d8af4000 x24: 1fffe0001c50a3d9 [ 83.610857][ T5339] x23: 1fffe0001c50a3d9 x22: ffff0000e2851ec8 x21: 00000000fffffff4 [ 83.612011][ T5339] x20: 0000000000000051 x19: ffff0000e2851e70 x18: 0000000000000001 [ 83.613191][ T5339] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 83.614371][ T5339] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 83.615532][ T5339] x11: 0000000000000000 x10: 0000000000000000 x9 : 34c516dbf8679e00 [ 83.616705][ T5339] x8 : 34c516dbf8679e00 x7 : 0000000000000001 x6 : 0000000000000001 [ 83.617950][ T5339] x5 : ffff8000215b70b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 83.619149][ T5339] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 83.620318][ T5339] Call trace: [ 83.620750][ T5339] btrfs_run_delayed_refs+0x3f4/0x46c [ 83.621481][ T5339] btrfs_commit_transaction+0x1b8/0x3044 [ 83.622312][ T5339] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 83.623069][ T5339] btrfs_ioctl+0x5f0/0xb38 [ 83.623684][ T5339] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.624427][ T5339] invoke_syscall+0x98/0x2b8 [ 83.625086][ T5339] el0_svc_common+0x138/0x258 [ 83.625725][ T5339] do_el0_svc+0x58/0x14c [ 83.626377][ T5339] el0_svc+0x78/0x1e0 [ 83.626993][ T5339] el0t_64_sync_handler+0xcc/0xe4 [ 83.627775][ T5339] el0t_64_sync+0x1a0/0x1a4 [ 83.628436][ T5339] irq event stamp: 79326 [ 83.629043][ T5339] hardirqs last enabled at (79325): [] __up_console_sem+0xb4/0x100 [ 83.630560][ T5339] hardirqs last disabled at (79326): [] el1_dbg+0x24/0x80 [ 83.631878][ T5339] softirqs last enabled at (79294): [] handle_softirqs+0xa4c/0xbf0 [ 83.633283][ T5339] softirqs last disabled at (79277): [] __irq_exit_rcu+0x240/0x440 [ 83.634625][ T5339] ---[ end trace 16531de42d733913 ]--- [ 83.638679][ T5339] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 83.640151][ T5339] BTRFS info (device loop0): forced readonly [ 83.673527][ T4967] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 9 /dev/loop0 scanned by udevd (4967) [ 83.778808][ T5362] loop0: detected capacity change from 0 to 32768 [ 83.856797][ T5362] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 83.858083][ T5362] BTRFS info (device loop0): enabling auto defrag [ 83.859069][ T5362] BTRFS info (device loop0): enabling ssd optimizations [ 83.860132][ T5362] BTRFS info (device loop0): using spread ssd allocation scheme [ 83.861259][ T5362] BTRFS info (device loop0): max_inline at 0 [ 83.862159][ T5362] BTRFS info (device loop0): force clearing of disk cache [ 83.863252][ T5362] BTRFS info (device loop0): turning on sync discard [ 83.864252][ T5362] BTRFS info (device loop0): disabling free space tree [ 83.867157][ T5362] BTRFS info (device loop0): has skinny extents [ 83.875394][ T5362] BTRFS info (device loop0): clearing free space tree [ 83.876472][ T5362] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 83.877858][ T5362] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 83.882653][ T5362] FAULT_INJECTION: forcing a failure. [ 83.882653][ T5362] name failslab, interval 1, probability 0, space 0, times 0 [ 83.884715][ T5362] CPU: 0 PID: 5362 Comm: syz.0.34 Tainted: G W syzkaller #0 [ 83.885996][ T5362] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.887600][ T5362] Call trace: [ 83.888076][ T5362] dump_backtrace+0x0/0x43c [ 83.888743][ T5362] show_stack+0x2c/0x3c [ 83.889352][ T5362] __dump_stack+0x30/0x40 [ 83.890002][ T5362] dump_stack_lvl+0xf8/0x160 [ 83.890729][ T5362] dump_stack+0x1c/0x5c [ 83.891439][ T5362] should_fail+0x3c0/0x51c [ 83.892119][ T5362] __should_failslab+0xbc/0x10c [ 83.892840][ T5362] should_failslab+0x10/0x28 [ 83.893550][ T5362] slab_pre_alloc_hook+0x64/0xec [ 83.894252][ T5362] kmem_cache_alloc+0x94/0x3e4 [ 83.894958][ T5362] btrfs_alloc_path+0x5c/0x68 [ 83.895680][ T5362] __btrfs_free_extent+0x19c/0x1aa4 [ 83.896502][ T5362] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 83.897352][ T5362] btrfs_run_delayed_refs+0x124/0x46c [ 83.898158][ T5362] btrfs_commit_transaction+0x1b8/0x3044 [ 83.898964][ T5362] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 83.899745][ T5362] btrfs_ioctl+0x5f0/0xb38 [ 83.900388][ T5362] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.901084][ T5362] invoke_syscall+0x98/0x2b8 [ 83.901782][ T5362] el0_svc_common+0x138/0x258 [ 83.902485][ T5362] do_el0_svc+0x58/0x14c [ 83.903084][ T5362] el0_svc+0x78/0x1e0 [ 83.903668][ T5362] el0t_64_sync_handler+0xcc/0xe4 [ 83.904408][ T5362] el0t_64_sync+0x1a0/0x1a4 [ 83.906102][ T5362] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 83.908062][ T5362] ------------[ cut here ]------------ [ 83.908979][ T5362] WARNING: CPU: 0 PID: 5362 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 83.910420][ T5362] Modules linked in: [ 83.910954][ T5362] CPU: 0 PID: 5362 Comm: syz.0.34 Tainted: G W syzkaller #0 [ 83.912198][ T5362] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.913668][ T5362] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 83.914781][ T5362] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 83.915609][ T5362] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 83.916425][ T5362] sp : ffff8000213a77d0 [ 83.917015][ T5362] x29: ffff8000213a77e0 x28: ffff0000d83d5000 x27: dfff800000000000 [ 83.918210][ T5362] x26: ffff0000d83d5024 x25: ffff0000da2c8000 x24: 1fffe0001c525529 [ 83.919365][ T5362] x23: 1fffe0001c525529 x22: ffff0000e292a948 x21: 00000000fffffff4 [ 83.920540][ T5362] x20: 0000000000000051 x19: ffff0000e292a8f0 x18: 0000000000000001 [ 83.921747][ T5362] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 83.922982][ T5362] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 83.924165][ T5362] x11: 0000000000000000 x10: 0000000000000000 x9 : 5e0ea55db57ded00 [ 83.925371][ T5362] x8 : 5e0ea55db57ded00 x7 : 0000000000000001 x6 : 0000000000000001 [ 83.926621][ T5362] x5 : ffff8000213a70b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 83.927768][ T5362] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 83.928945][ T5362] Call trace: [ 83.929426][ T5362] btrfs_run_delayed_refs+0x3f4/0x46c [ 83.930194][ T5362] btrfs_commit_transaction+0x1b8/0x3044 [ 83.931083][ T5362] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 83.931867][ T5362] btrfs_ioctl+0x5f0/0xb38 [ 83.932527][ T5362] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.933260][ T5362] invoke_syscall+0x98/0x2b8 [ 83.933898][ T5362] el0_svc_common+0x138/0x258 [ 83.934556][ T5362] do_el0_svc+0x58/0x14c [ 83.935155][ T5362] el0_svc+0x78/0x1e0 [ 83.935722][ T5362] el0t_64_sync_handler+0xcc/0xe4 [ 83.936410][ T5362] el0t_64_sync+0x1a0/0x1a4 [ 83.937028][ T5362] irq event stamp: 79482 [ 83.937621][ T5362] hardirqs last enabled at (79481): [] __up_console_sem+0xb4/0x100 [ 83.939033][ T5362] hardirqs last disabled at (79482): [] el1_dbg+0x24/0x80 [ 83.940160][ T5362] softirqs last enabled at (79450): [] handle_softirqs+0xa4c/0xbf0 [ 83.941455][ T5362] softirqs last disabled at (79381): [] __irq_exit_rcu+0x240/0x440 [ 83.942777][ T5362] ---[ end trace 16531de42d733914 ]--- [ 83.944549][ T5362] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 83.946063][ T5362] BTRFS info (device loop0): forced readonly [ 84.111758][ T5385] loop0: detected capacity change from 0 to 32768 [ 84.119897][ T5385] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.35 (5385) [ 84.123182][ T5385] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 84.124570][ T5385] BTRFS info (device loop0): enabling auto defrag [ 84.125540][ T5385] BTRFS info (device loop0): enabling ssd optimizations [ 84.126571][ T5385] BTRFS info (device loop0): using spread ssd allocation scheme [ 84.127706][ T5385] BTRFS info (device loop0): max_inline at 0 [ 84.128574][ T5385] BTRFS info (device loop0): force clearing of disk cache [ 84.129632][ T5385] BTRFS info (device loop0): turning on sync discard [ 84.130607][ T5385] BTRFS info (device loop0): disabling free space tree [ 84.131479][ T5385] BTRFS info (device loop0): has skinny extents [ 84.139165][ T5385] BTRFS info (device loop0): clearing free space tree [ 84.140188][ T5385] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 84.141707][ T5385] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 84.147482][ T5385] FAULT_INJECTION: forcing a failure. [ 84.147482][ T5385] name failslab, interval 1, probability 0, space 0, times 0 [ 84.149433][ T5385] CPU: 0 PID: 5385 Comm: syz.0.35 Tainted: G W syzkaller #0 [ 84.150785][ T5385] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.152317][ T5385] Call trace: [ 84.152796][ T5385] dump_backtrace+0x0/0x43c [ 84.153393][ T5385] show_stack+0x2c/0x3c [ 84.154015][ T5385] __dump_stack+0x30/0x40 [ 84.154599][ T5385] dump_stack_lvl+0xf8/0x160 [ 84.155257][ T5385] dump_stack+0x1c/0x5c [ 84.155835][ T5385] should_fail+0x3c0/0x51c [ 84.156473][ T5385] __should_failslab+0xbc/0x10c [ 84.157189][ T5385] should_failslab+0x10/0x28 [ 84.157827][ T5385] slab_pre_alloc_hook+0x64/0xec [ 84.158510][ T5385] kmem_cache_alloc+0x94/0x3e4 [ 84.159206][ T5385] btrfs_alloc_path+0x5c/0x68 [ 84.159899][ T5385] __btrfs_free_extent+0x19c/0x1aa4 [ 84.160625][ T5385] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 84.161448][ T5385] btrfs_run_delayed_refs+0x124/0x46c [ 84.162247][ T5385] btrfs_commit_transaction+0x1b8/0x3044 [ 84.163040][ T5385] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 84.163767][ T5385] btrfs_ioctl+0x5f0/0xb38 [ 84.164435][ T5385] __arm64_sys_ioctl+0x14c/0x1c8 [ 84.165129][ T5385] invoke_syscall+0x98/0x2b8 [ 84.165753][ T5385] el0_svc_common+0x138/0x258 [ 84.166369][ T5385] do_el0_svc+0x58/0x14c [ 84.167012][ T5385] el0_svc+0x78/0x1e0 [ 84.167621][ T5385] el0t_64_sync_handler+0xcc/0xe4 [ 84.168300][ T5385] el0t_64_sync+0x1a0/0x1a4 [ 84.169976][ T5385] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 84.172112][ T5385] ------------[ cut here ]------------ [ 84.173042][ T5385] WARNING: CPU: 0 PID: 5385 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 84.174517][ T5385] Modules linked in: [ 84.175110][ T5385] CPU: 0 PID: 5385 Comm: syz.0.35 Tainted: G W syzkaller #0 [ 84.176381][ T5385] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.177937][ T5385] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 84.179070][ T5385] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 84.179964][ T5385] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 84.180834][ T5385] sp : ffff8000217d77d0 [ 84.181457][ T5385] x29: ffff8000217d77e0 x28: ffff0000d83d4000 x27: dfff800000000000 [ 84.182679][ T5385] x26: ffff0000d83d4024 x25: ffff0000dbb6c000 x24: 1fffe0001c52556b [ 84.183940][ T5385] x23: 1fffe0001c52556b x22: ffff0000e292ab58 x21: 00000000fffffff4 [ 84.185168][ T5385] x20: 0000000000000051 x19: ffff0000e292ab00 x18: 0000000000000001 [ 84.186359][ T5385] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 84.187602][ T5385] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 84.188752][ T5385] x11: 0000000000000000 x10: 0000000000000000 x9 : 27095bea8d718800 [ 84.189913][ T5385] x8 : 27095bea8d718800 x7 : 0000000000000001 x6 : 0000000000000001 [ 84.191073][ T5385] x5 : ffff8000217d70b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 84.192250][ T5385] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 84.193448][ T5385] Call trace: [ 84.193885][ T5385] btrfs_run_delayed_refs+0x3f4/0x46c [ 84.194694][ T5385] btrfs_commit_transaction+0x1b8/0x3044 [ 84.195511][ T5385] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 84.196339][ T5385] btrfs_ioctl+0x5f0/0xb38 [ 84.197028][ T5385] __arm64_sys_ioctl+0x14c/0x1c8 [ 84.197757][ T5385] invoke_syscall+0x98/0x2b8 [ 84.198418][ T5385] el0_svc_common+0x138/0x258 [ 84.199106][ T5385] do_el0_svc+0x58/0x14c [ 84.199728][ T5385] el0_svc+0x78/0x1e0 [ 84.200310][ T5385] el0t_64_sync_handler+0xcc/0xe4 [ 84.200982][ T5385] el0t_64_sync+0x1a0/0x1a4 [ 84.201676][ T5385] irq event stamp: 79296 [ 84.202311][ T5385] hardirqs last enabled at (79295): [] __up_console_sem+0xb4/0x100 [ 84.203657][ T5385] hardirqs last disabled at (79296): [] el1_dbg+0x24/0x80 [ 84.204925][ T5385] softirqs last enabled at (79260): [] handle_softirqs+0xa4c/0xbf0 [ 84.206323][ T5385] softirqs last disabled at (79247): [] __irq_exit_rcu+0x240/0x440 [ 84.207699][ T5385] ---[ end trace 16531de42d733915 ]--- [ 84.210050][ T5385] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 84.211615][ T5385] BTRFS info (device loop0): forced readonly [ 84.354124][ T5407] loop0: detected capacity change from 0 to 32768 [ 84.450254][ T5407] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.36 (5407) [ 84.453120][ T5407] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 84.454724][ T5407] BTRFS info (device loop0): enabling auto defrag [ 84.455650][ T5407] BTRFS info (device loop0): enabling ssd optimizations [ 84.456708][ T5407] BTRFS info (device loop0): using spread ssd allocation scheme [ 84.457948][ T5407] BTRFS info (device loop0): max_inline at 0 [ 84.458825][ T5407] BTRFS info (device loop0): force clearing of disk cache [ 84.459941][ T5407] BTRFS info (device loop0): turning on sync discard [ 84.461026][ T5407] BTRFS info (device loop0): disabling free space tree [ 84.462082][ T5407] BTRFS info (device loop0): has skinny extents [ 84.471092][ T5407] BTRFS info (device loop0): clearing free space tree [ 84.472259][ T5407] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 84.473753][ T5407] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 84.479335][ T5407] FAULT_INJECTION: forcing a failure. [ 84.479335][ T5407] name failslab, interval 1, probability 0, space 0, times 0 [ 84.481303][ T5407] CPU: 1 PID: 5407 Comm: syz.0.36 Tainted: G W syzkaller #0 [ 84.482578][ T5407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.484117][ T5407] Call trace: [ 84.484557][ T5407] dump_backtrace+0x0/0x43c [ 84.485242][ T5407] show_stack+0x2c/0x3c [ 84.485853][ T5407] __dump_stack+0x30/0x40 [ 84.486515][ T5407] dump_stack_lvl+0xf8/0x160 [ 84.487242][ T5407] dump_stack+0x1c/0x5c [ 84.487860][ T5407] should_fail+0x3c0/0x51c [ 84.488541][ T5407] __should_failslab+0xbc/0x10c [ 84.489214][ T5407] should_failslab+0x10/0x28 [ 84.489904][ T5407] slab_pre_alloc_hook+0x64/0xec [ 84.490645][ T5407] kmem_cache_alloc+0x94/0x3e4 [ 84.491363][ T5407] btrfs_alloc_path+0x5c/0x68 [ 84.492108][ T5407] __btrfs_free_extent+0x19c/0x1aa4 [ 84.492865][ T5407] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 84.493660][ T5407] btrfs_run_delayed_refs+0x124/0x46c [ 84.494508][ T5407] btrfs_commit_transaction+0x1b8/0x3044 [ 84.495296][ T5407] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 84.496096][ T5407] btrfs_ioctl+0x5f0/0xb38 [ 84.496767][ T5407] __arm64_sys_ioctl+0x14c/0x1c8 [ 84.497481][ T5407] invoke_syscall+0x98/0x2b8 [ 84.498200][ T5407] el0_svc_common+0x138/0x258 [ 84.498909][ T5407] do_el0_svc+0x58/0x14c [ 84.499531][ T5407] el0_svc+0x78/0x1e0 [ 84.500145][ T5407] el0t_64_sync_handler+0xcc/0xe4 [ 84.500905][ T5407] el0t_64_sync+0x1a0/0x1a4 [ 84.502987][ T5407] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 84.504964][ T5407] ------------[ cut here ]------------ [ 84.505938][ T5407] WARNING: CPU: 1 PID: 5407 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 84.507462][ T5407] Modules linked in: [ 84.508046][ T5407] CPU: 1 PID: 5407 Comm: syz.0.36 Tainted: G W syzkaller #0 [ 84.509358][ T5407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.510882][ T5407] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 84.512051][ T5407] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 84.512948][ T5407] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 84.513764][ T5407] sp : ffff8000217d77d0 [ 84.514401][ T5407] x29: ffff8000217d77e0 x28: ffff0000ce71b000 x27: dfff800000000000 [ 84.515647][ T5407] x26: ffff0000ce71b024 x25: ffff0000cdb8c000 x24: 1fffe0001c50a24d [ 84.516870][ T5407] x23: 1fffe0001c50a24d x22: ffff0000e2851268 x21: 00000000fffffff4 [ 84.518103][ T5407] x20: 0000000000000051 x19: ffff0000e2851210 x18: 0000000000000001 [ 84.519375][ T5407] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 84.520611][ T5407] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 84.521898][ T5407] x11: 0000000000000000 x10: 0000000000000000 x9 : d00c3b5a75b74900 [ 84.523165][ T5407] x8 : d00c3b5a75b74900 x7 : 0000000000000001 x6 : 0000000000000001 [ 84.524429][ T5407] x5 : ffff8000217d70b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 84.525622][ T5407] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 84.526848][ T5407] Call trace: [ 84.527351][ T5407] btrfs_run_delayed_refs+0x3f4/0x46c [ 84.528151][ T5407] btrfs_commit_transaction+0x1b8/0x3044 [ 84.529034][ T5407] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 84.529886][ T5407] btrfs_ioctl+0x5f0/0xb38 [ 84.530566][ T5407] __arm64_sys_ioctl+0x14c/0x1c8 [ 84.531397][ T5407] invoke_syscall+0x98/0x2b8 [ 84.532046][ T5407] el0_svc_common+0x138/0x258 [ 84.532716][ T5407] do_el0_svc+0x58/0x14c [ 84.533416][ T5407] el0_svc+0x78/0x1e0 [ 84.533990][ T5407] el0t_64_sync_handler+0xcc/0xe4 [ 84.534720][ T5407] el0t_64_sync+0x1a0/0x1a4 [ 84.535343][ T5407] irq event stamp: 79424 [ 84.535907][ T5407] hardirqs last enabled at (79423): [] __up_console_sem+0xb4/0x100 [ 84.537286][ T5407] hardirqs last disabled at (79424): [] el1_dbg+0x24/0x80 [ 84.538495][ T5407] softirqs last enabled at (79402): [] handle_softirqs+0xa4c/0xbf0 [ 84.539928][ T5407] softirqs last disabled at (79387): [] __irq_exit_rcu+0x240/0x440 [ 84.541287][ T5407] ---[ end trace 16531de42d733916 ]--- [ 84.543320][ T5407] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 84.544800][ T5407] BTRFS info (device loop0): forced readonly [ 84.732656][ T5429] loop0: detected capacity change from 0 to 32768 [ 84.776485][ T5429] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.37 (5429) [ 84.782818][ T5429] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 84.784076][ T5429] BTRFS info (device loop0): enabling auto defrag [ 84.785282][ T5429] BTRFS info (device loop0): enabling ssd optimizations [ 84.786311][ T5429] BTRFS info (device loop0): using spread ssd allocation scheme [ 84.787482][ T5429] BTRFS info (device loop0): max_inline at 0 [ 84.788350][ T5429] BTRFS info (device loop0): force clearing of disk cache [ 84.789346][ T5429] BTRFS info (device loop0): turning on sync discard [ 84.790340][ T5429] BTRFS info (device loop0): disabling free space tree [ 84.791384][ T5429] BTRFS info (device loop0): has skinny extents [ 84.811168][ T5429] BTRFS info (device loop0): clearing free space tree [ 84.812288][ T5429] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 84.813737][ T5429] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 84.819446][ T5429] FAULT_INJECTION: forcing a failure. [ 84.819446][ T5429] name failslab, interval 1, probability 0, space 0, times 0 [ 84.821587][ T5429] CPU: 1 PID: 5429 Comm: syz.0.37 Tainted: G W syzkaller #0 [ 84.822868][ T5429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.824321][ T5429] Call trace: [ 84.824814][ T5429] dump_backtrace+0x0/0x43c [ 84.825442][ T5429] show_stack+0x2c/0x3c [ 84.826061][ T5429] __dump_stack+0x30/0x40 [ 84.826696][ T5429] dump_stack_lvl+0xf8/0x160 [ 84.827360][ T5429] dump_stack+0x1c/0x5c [ 84.827968][ T5429] should_fail+0x3c0/0x51c [ 84.828643][ T5429] __should_failslab+0xbc/0x10c [ 84.829378][ T5429] should_failslab+0x10/0x28 [ 84.830016][ T5429] slab_pre_alloc_hook+0x64/0xec [ 84.830740][ T5429] kmem_cache_alloc+0x94/0x3e4 [ 84.831416][ T5429] btrfs_alloc_path+0x5c/0x68 [ 84.832087][ T5429] __btrfs_free_extent+0x19c/0x1aa4 [ 84.832865][ T5429] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 84.833631][ T5429] btrfs_run_delayed_refs+0x124/0x46c [ 84.834466][ T5429] btrfs_commit_transaction+0x1b8/0x3044 [ 84.835330][ T5429] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 84.836168][ T5429] btrfs_ioctl+0x5f0/0xb38 [ 84.836881][ T5429] __arm64_sys_ioctl+0x14c/0x1c8 [ 84.837643][ T5429] invoke_syscall+0x98/0x2b8 [ 84.838336][ T5429] el0_svc_common+0x138/0x258 [ 84.839026][ T5429] do_el0_svc+0x58/0x14c [ 84.839676][ T5429] el0_svc+0x78/0x1e0 [ 84.840255][ T5429] el0t_64_sync_handler+0xcc/0xe4 [ 84.841026][ T5429] el0t_64_sync+0x1a0/0x1a4 [ 84.842340][ T5429] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 84.844703][ T5429] ------------[ cut here ]------------ [ 84.845655][ T5429] WARNING: CPU: 1 PID: 5429 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 84.847204][ T5429] Modules linked in: [ 84.847799][ T5429] CPU: 1 PID: 5429 Comm: syz.0.37 Tainted: G W syzkaller #0 [ 84.849082][ T5429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.850662][ T5429] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 84.851712][ T5429] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 84.852544][ T5429] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 84.853381][ T5429] sp : ffff800021a177d0 [ 84.853984][ T5429] x29: ffff800021a177e0 x28: ffff0000ce719000 x27: dfff800000000000 [ 84.855147][ T5429] x26: ffff0000ce719024 x25: ffff0000e8db0000 x24: 1fffe0001c50a2d1 [ 84.856314][ T5429] x23: 1fffe0001c50a2d1 x22: ffff0000e2851688 x21: 00000000fffffff4 [ 84.857483][ T5429] x20: 0000000000000051 x19: ffff0000e2851630 x18: 0000000000000001 [ 84.858656][ T5429] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 84.859778][ T5429] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 84.860980][ T5429] x11: 0000000000000000 x10: 0000000000000000 x9 : 6ae31cbe6e0fff00 [ 84.862065][ T5429] x8 : 6ae31cbe6e0fff00 x7 : 0000000000000001 x6 : 0000000000000001 [ 84.863294][ T5429] x5 : ffff800021a170b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 84.864504][ T5429] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 84.865653][ T5429] Call trace: [ 84.866118][ T5429] btrfs_run_delayed_refs+0x3f4/0x46c [ 84.866862][ T5429] btrfs_commit_transaction+0x1b8/0x3044 [ 84.867802][ T5429] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 84.868709][ T5429] btrfs_ioctl+0x5f0/0xb38 [ 84.869377][ T5429] __arm64_sys_ioctl+0x14c/0x1c8 [ 84.870114][ T5429] invoke_syscall+0x98/0x2b8 [ 84.870869][ T5429] el0_svc_common+0x138/0x258 [ 84.871619][ T5429] do_el0_svc+0x58/0x14c [ 84.872268][ T5429] el0_svc+0x78/0x1e0 [ 84.872904][ T5429] el0t_64_sync_handler+0xcc/0xe4 [ 84.873671][ T5429] el0t_64_sync+0x1a0/0x1a4 [ 84.874301][ T5429] irq event stamp: 79330 [ 84.874903][ T5429] hardirqs last enabled at (79329): [] __up_console_sem+0xb4/0x100 [ 84.876233][ T5429] hardirqs last disabled at (79330): [] el1_dbg+0x24/0x80 [ 84.877492][ T5429] softirqs last enabled at (79294): [] handle_softirqs+0xa4c/0xbf0 [ 84.878765][ T5429] softirqs last disabled at (79253): [] __irq_exit_rcu+0x240/0x440 [ 84.880135][ T5429] ---[ end trace 16531de42d733917 ]--- [ 84.882119][ T5429] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 84.883596][ T5429] BTRFS info (device loop0): forced readonly [ 85.054231][ T5451] loop0: detected capacity change from 0 to 32768 [ 85.098882][ T5451] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.38 (5451) [ 85.103767][ T5451] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 85.105177][ T5451] BTRFS info (device loop0): enabling auto defrag [ 85.106210][ T5451] BTRFS info (device loop0): enabling ssd optimizations [ 85.107239][ T5451] BTRFS info (device loop0): using spread ssd allocation scheme [ 85.108447][ T5451] BTRFS info (device loop0): max_inline at 0 [ 85.109425][ T5451] BTRFS info (device loop0): force clearing of disk cache [ 85.110482][ T5451] BTRFS info (device loop0): turning on sync discard [ 85.111499][ T5451] BTRFS info (device loop0): disabling free space tree [ 85.112540][ T5451] BTRFS info (device loop0): has skinny extents [ 85.121156][ T5451] BTRFS info (device loop0): clearing free space tree [ 85.122243][ T5451] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 85.123737][ T5451] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 85.129652][ T5451] FAULT_INJECTION: forcing a failure. [ 85.129652][ T5451] name failslab, interval 1, probability 0, space 0, times 0 [ 85.131492][ T5451] CPU: 0 PID: 5451 Comm: syz.0.38 Tainted: G W syzkaller #0 [ 85.132748][ T5451] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.134210][ T5451] Call trace: [ 85.134670][ T5451] dump_backtrace+0x0/0x43c [ 85.135357][ T5451] show_stack+0x2c/0x3c [ 85.136006][ T5451] __dump_stack+0x30/0x40 [ 85.136654][ T5451] dump_stack_lvl+0xf8/0x160 [ 85.137316][ T5451] dump_stack+0x1c/0x5c [ 85.137902][ T5451] should_fail+0x3c0/0x51c [ 85.138533][ T5451] __should_failslab+0xbc/0x10c [ 85.139231][ T5451] should_failslab+0x10/0x28 [ 85.139909][ T5451] slab_pre_alloc_hook+0x64/0xec [ 85.140617][ T5451] kmem_cache_alloc+0x94/0x3e4 [ 85.141344][ T5451] btrfs_alloc_path+0x5c/0x68 [ 85.142028][ T5451] __btrfs_free_extent+0x19c/0x1aa4 [ 85.142839][ T5451] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 85.143677][ T5451] btrfs_run_delayed_refs+0x124/0x46c [ 85.144478][ T5451] btrfs_commit_transaction+0x1b8/0x3044 [ 85.145330][ T5451] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 85.146124][ T5451] btrfs_ioctl+0x5f0/0xb38 [ 85.146751][ T5451] __arm64_sys_ioctl+0x14c/0x1c8 [ 85.147503][ T5451] invoke_syscall+0x98/0x2b8 [ 85.148279][ T5451] el0_svc_common+0x138/0x258 [ 85.149017][ T5451] do_el0_svc+0x58/0x14c [ 85.149696][ T5451] el0_svc+0x78/0x1e0 [ 85.150269][ T5451] el0t_64_sync_handler+0xcc/0xe4 [ 85.151033][ T5451] el0t_64_sync+0x1a0/0x1a4 [ 85.152491][ T5451] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 85.154251][ T5451] ------------[ cut here ]------------ [ 85.155210][ T5451] WARNING: CPU: 0 PID: 5451 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 85.156635][ T5451] Modules linked in: [ 85.157194][ T5451] CPU: 0 PID: 5451 Comm: syz.0.38 Tainted: G W syzkaller #0 [ 85.158438][ T5451] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.159799][ T5451] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 85.160942][ T5451] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 85.161723][ T5451] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 85.162604][ T5451] sp : ffff800021b177d0 [ 85.163194][ T5451] x29: ffff800021b177e0 x28: ffff0000d982e000 x27: dfff800000000000 [ 85.164335][ T5451] x26: ffff0000d982e024 x25: ffff0000cda9c000 x24: 1fffe0001c5255ad [ 85.165413][ T5451] x23: 1fffe0001c5255ad x22: ffff0000e292ad68 x21: 00000000fffffff4 [ 85.166523][ T5451] x20: 0000000000000051 x19: ffff0000e292ad10 x18: 0000000000000001 [ 85.167695][ T5451] x17: 0000000000000000 x16: ffff800008302164 x15: 00000000ffffffff [ 85.168835][ T5451] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 85.169969][ T5451] x11: 0000000000000000 x10: 0000000000000000 x9 : 6700c7805ece3200 [ 85.171094][ T5451] x8 : 6700c7805ece3200 x7 : 0000000000000001 x6 : 0000000000000001 [ 85.172290][ T5451] x5 : ffff800021b170b8 x4 : ffff8000141ff5a0 x3 : ffff800008302274 [ 85.173501][ T5451] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 85.174624][ T5451] Call trace: [ 85.175087][ T5451] btrfs_run_delayed_refs+0x3f4/0x46c [ 85.175821][ T5451] btrfs_commit_transaction+0x1b8/0x3044 [ 85.176634][ T5451] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 85.177449][ T5451] btrfs_ioctl+0x5f0/0xb38 [ 85.178082][ T5451] __arm64_sys_ioctl+0x14c/0x1c8 [ 85.178762][ T5451] invoke_syscall+0x98/0x2b8 [ 85.179424][ T5451] el0_svc_common+0x138/0x258 [ 85.180142][ T5451] do_el0_svc+0x58/0x14c [ 85.180790][ T5451] el0_svc+0x78/0x1e0 [ 85.181402][ T5451] el0t_64_sync_handler+0xcc/0xe4 [ 85.182187][ T5451] el0t_64_sync+0x1a0/0x1a4 [ 85.182899][ T5451] irq event stamp: 79604 [ 85.183525][ T5451] hardirqs last enabled at (79603): [] __up_console_sem+0xb4/0x100 [ 85.184948][ T5451] hardirqs last disabled at (79604): [] el1_dbg+0x24/0x80 [ 85.186211][ T5451] softirqs last enabled at (79594): [] handle_softirqs+0xa4c/0xbf0 [ 85.187658][ T5451] softirqs last disabled at (79581): [] __irq_exit_rcu+0x240/0x440 [ 85.188990][ T5451] ---[ end trace 16531de42d733918 ]--- [ 85.189942][ T5451] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 85.191312][ T5451] BTRFS info (device loop0): forced readonly [ 85.391540][ T5473] loop0: detected capacity change from 0 to 32768 [ 85.429535][ T5473] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.39 (5473) [ 85.433694][ T5473] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 85.435606][ T5473] BTRFS info (device loop0): enabling auto defrag [ 85.436795][ T5473] BTRFS info (device loop0): enabling ssd optimizations [ 85.438154][ T5473] BTRFS info (device loop0): using spread ssd allocation scheme [ 85.439346][ T5473] BTRFS info (device loop0): max_inline at 0 [ 85.440317][ T5473] BTRFS info (device loop0): force clearing of disk cache [ 85.441415][ T5473] BTRFS info (device loop0): turning on sync discard [ 85.442427][ T5473] BTRFS info (device loop0): disabling free space tree [ 85.443625][ T5473] BTRFS info (device loop0): has skinny extents [ 85.457347][ T5473] BTRFS info (device loop0): clearing free space tree [ 85.458511][ T5473] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 85.460023][ T5473] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 85.466782][ T5473] FAULT_INJECTION: forcing a failure. [ 85.466782][ T5473] name failslab, interval 1, probability 0, space 0, times 0 [ 85.468807][ T5473] CPU: 1 PID: 5473 Comm: syz.0.39 Tainted: G W syzkaller #0 [ 85.470142][ T5473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.471608][ T5473] Call trace: [ 85.472075][ T5473] dump_backtrace+0x0/0x43c [ 85.472806][ T5473] show_stack+0x2c/0x3c [ 85.473392][ T5473] __dump_stack+0x30/0x40 [ 85.474114][ T5473] dump_stack_lvl+0xf8/0x160 [ 85.474871][ T5473] dump_stack+0x1c/0x5c [ 85.475548][ T5473] should_fail+0x3c0/0x51c [ 85.476282][ T5473] __should_failslab+0xbc/0x10c [ 85.477022][ T5473] should_failslab+0x10/0x28 [ 85.477817][ T5473] slab_pre_alloc_hook+0x64/0xec [ 85.478626][ T5473] kmem_cache_alloc+0x94/0x3e4 [ 85.479411][ T5473] btrfs_alloc_path+0x5c/0x68 [ 85.480088][ T5473] __btrfs_free_extent+0x19c/0x1aa4 [ 85.480913][ T5473] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 85.481757][ T5473] btrfs_run_delayed_refs+0x124/0x46c [ 85.482552][ T5473] btrfs_commit_transaction+0x1b8/0x3044 [ 85.483448][ T5473] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 85.484289][ T5473] btrfs_ioctl+0x5f0/0xb38 [ 85.484925][ T5473] __arm64_sys_ioctl+0x14c/0x1c8 [ 85.485670][ T5473] invoke_syscall+0x98/0x2b8 [ 85.486325][ T5473] el0_svc_common+0x138/0x258 [ 85.487038][ T5473] do_el0_svc+0x58/0x14c [ 85.487700][ T5473] el0_svc+0x78/0x1e0 [ 85.488324][ T5473] el0t_64_sync_handler+0xcc/0xe4 [ 85.489103][ T5473] el0t_64_sync+0x1a0/0x1a4 [ 85.492065][ T5473] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 85.494009][ T5473] ------------[ cut here ]------------ [ 85.495195][ T5473] WARNING: CPU: 1 PID: 5473 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 85.496696][ T5473] Modules linked in: [ 85.497255][ T5473] CPU: 1 PID: 5473 Comm: syz.0.39 Tainted: G W syzkaller #0 [ 85.498493][ T5473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.499945][ T5473] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 85.501080][ T5473] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 85.501876][ T5473] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 85.502726][ T5473] sp : ffff800021b777d0 [ 85.503330][ T5473] x29: ffff800021b777e0 x28: ffff0000ce71e000 x27: dfff800000000000 [ 85.504519][ T5473] x26: ffff0000ce71e024 x25: ffff0000d15e8000 x24: 1fffe0001c50a2a5 [ 85.505670][ T5473] x23: 1fffe0001c50a2a5 x22: ffff0000e2851528 x21: 00000000fffffff4 [ 85.506964][ T5473] x20: 0000000000000051 x19: ffff0000e28514d0 x18: 0000000000000001 [ 85.508122][ T5473] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 85.509387][ T5473] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 85.510588][ T5473] x11: 0000000000000000 x10: 0000000000000000 x9 : f04c57b2fb600000 [ 85.511876][ T5473] x8 : f04c57b2fb600000 x7 : 0000000000000001 x6 : 0000000000000001 [ 85.513075][ T5473] x5 : ffff800021b770b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 85.514315][ T5473] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 85.515508][ T5473] Call trace: [ 85.516001][ T5473] btrfs_run_delayed_refs+0x3f4/0x46c [ 85.516762][ T5473] btrfs_commit_transaction+0x1b8/0x3044 [ 85.517578][ T5473] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 85.518389][ T5473] btrfs_ioctl+0x5f0/0xb38 [ 85.519066][ T5473] __arm64_sys_ioctl+0x14c/0x1c8 [ 85.519814][ T5473] invoke_syscall+0x98/0x2b8 [ 85.520522][ T5473] el0_svc_common+0x138/0x258 [ 85.521163][ T5473] do_el0_svc+0x58/0x14c [ 85.521804][ T5473] el0_svc+0x78/0x1e0 [ 85.522442][ T5473] el0t_64_sync_handler+0xcc/0xe4 [ 85.523207][ T5473] el0t_64_sync+0x1a0/0x1a4 [ 85.523864][ T5473] irq event stamp: 79524 [ 85.524489][ T5473] hardirqs last enabled at (79523): [] __up_console_sem+0xb4/0x100 [ 85.525995][ T5473] hardirqs last disabled at (79524): [] el1_dbg+0x24/0x80 [ 85.527371][ T5473] softirqs last enabled at (79512): [] handle_softirqs+0xa4c/0xbf0 [ 85.528865][ T5473] softirqs last disabled at (79499): [] __irq_exit_rcu+0x240/0x440 [ 85.530333][ T5473] ---[ end trace 16531de42d733919 ]--- [ 85.532991][ T5473] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 85.534867][ T5473] BTRFS info (device loop0): forced readonly [ 85.714634][ T5495] loop0: detected capacity change from 0 to 32768 [ 85.766465][ T5495] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.40 (5495) [ 85.771931][ T5495] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 85.773189][ T5495] BTRFS info (device loop0): enabling auto defrag [ 85.774205][ T5495] BTRFS info (device loop0): enabling ssd optimizations [ 85.775324][ T5495] BTRFS info (device loop0): using spread ssd allocation scheme [ 85.776469][ T5495] BTRFS info (device loop0): max_inline at 0 [ 85.777572][ T5495] BTRFS info (device loop0): force clearing of disk cache [ 85.778660][ T5495] BTRFS info (device loop0): turning on sync discard [ 85.779680][ T5495] BTRFS info (device loop0): disabling free space tree [ 85.780662][ T5495] BTRFS info (device loop0): has skinny extents [ 85.792767][ T5495] FAULT_INJECTION: forcing a failure. [ 85.792767][ T5495] name failslab, interval 1, probability 0, space 0, times 0 [ 85.794777][ T5495] CPU: 1 PID: 5495 Comm: syz.0.40 Tainted: G W syzkaller #0 [ 85.795995][ T5495] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.797494][ T5495] Call trace: [ 85.797969][ T5495] dump_backtrace+0x0/0x43c [ 85.798644][ T5495] show_stack+0x2c/0x3c [ 85.799210][ T5495] __dump_stack+0x30/0x40 [ 85.799838][ T5495] dump_stack_lvl+0xf8/0x160 [ 85.800493][ T5495] dump_stack+0x1c/0x5c [ 85.801148][ T5495] should_fail+0x3c0/0x51c [ 85.801789][ T5495] __should_failslab+0xbc/0x10c [ 85.802483][ T5495] should_failslab+0x10/0x28 [ 85.803202][ T5495] slab_pre_alloc_hook+0x64/0xec [ 85.803945][ T5495] kmem_cache_alloc+0x94/0x3e4 [ 85.804641][ T5495] btrfs_alloc_path+0x5c/0x68 [ 85.805373][ T5495] __btrfs_run_delayed_refs+0xd70/0x3354 [ 85.806272][ T5495] btrfs_run_delayed_refs+0x124/0x46c [ 85.807028][ T5495] btrfs_commit_transaction+0x1b8/0x3044 [ 85.807819][ T5495] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 85.808672][ T5495] btrfs_ioctl+0x5f0/0xb38 [ 85.809307][ T5495] __arm64_sys_ioctl+0x14c/0x1c8 [ 85.810028][ T5495] invoke_syscall+0x98/0x2b8 [ 85.810651][ T5495] el0_svc_common+0x138/0x258 [ 85.811298][ T5495] do_el0_svc+0x58/0x14c [ 85.811958][ T5495] el0_svc+0x78/0x1e0 [ 85.812597][ T5495] el0t_64_sync_handler+0xcc/0xe4 [ 85.813279][ T5495] el0t_64_sync+0x1a0/0x1a4 [ 85.814858][ T5495] BTRFS error (device loop0): failed to run delayed ref for logical 5246976 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 85.816774][ T5495] ------------[ cut here ]------------ [ 85.817791][ T5495] WARNING: CPU: 1 PID: 5495 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 85.819311][ T5495] Modules linked in: [ 85.819882][ T5495] CPU: 1 PID: 5495 Comm: syz.0.40 Tainted: G W syzkaller #0 [ 85.821118][ T5495] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.822624][ T5495] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 85.823788][ T5495] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 85.824586][ T5495] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 85.825417][ T5495] sp : ffff800021d777d0 [ 85.825984][ T5495] x29: ffff800021d777e0 x28: ffff0000c91f9000 x27: dfff800000000000 [ 85.827137][ T5495] x26: ffff0000c91f9024 x25: ffff0000edd44000 x24: 1fffe0001c50a28f [ 85.828271][ T5495] x23: 1fffe0001c50a28f x22: ffff0000e2851478 x21: 00000000fffffff4 [ 85.829424][ T5495] x20: 0000000000000051 x19: ffff0000e2851420 x18: 0000000000000001 [ 85.830574][ T5495] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 85.831656][ T5495] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 85.832790][ T5495] x11: 0000000000000000 x10: 0000000000000000 x9 : de530e1a68b9a600 [ 85.834006][ T5495] x8 : de530e1a68b9a600 x7 : 0000000000000001 x6 : 0000000000000001 [ 85.835253][ T5495] x5 : ffff800021d770b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 85.836378][ T5495] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 85.837490][ T5495] Call trace: [ 85.838018][ T5495] btrfs_run_delayed_refs+0x3f4/0x46c [ 85.838738][ T5495] btrfs_commit_transaction+0x1b8/0x3044 [ 85.839581][ T5495] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 85.840422][ T5495] btrfs_ioctl+0x5f0/0xb38 [ 85.841073][ T5495] __arm64_sys_ioctl+0x14c/0x1c8 [ 85.841859][ T5495] invoke_syscall+0x98/0x2b8 [ 85.842562][ T5495] el0_svc_common+0x138/0x258 [ 85.843208][ T5495] do_el0_svc+0x58/0x14c [ 85.843825][ T5495] el0_svc+0x78/0x1e0 [ 85.844374][ T5495] el0t_64_sync_handler+0xcc/0xe4 [ 85.845090][ T5495] el0t_64_sync+0x1a0/0x1a4 [ 85.845735][ T5495] irq event stamp: 79018 [ 85.846357][ T5495] hardirqs last enabled at (79017): [] __up_console_sem+0xb4/0x100 [ 85.847695][ T5495] hardirqs last disabled at (79018): [] el1_dbg+0x24/0x80 [ 85.848932][ T5495] softirqs last enabled at (78974): [] handle_softirqs+0xa4c/0xbf0 [ 85.850296][ T5495] softirqs last disabled at (78935): [] __irq_exit_rcu+0x240/0x440 [ 85.851666][ T5495] ---[ end trace 16531de42d73391a ]--- [ 85.852630][ T5495] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 85.985284][ T5517] loop0: detected capacity change from 0 to 32768 [ 86.035567][ T5517] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.41 (5517) [ 86.115221][ T5517] FAULT_INJECTION: forcing a failure. [ 86.115221][ T5517] name failslab, interval 1, probability 0, space 0, times 0 [ 86.117207][ T5517] CPU: 0 PID: 5517 Comm: syz.0.41 Tainted: G W syzkaller #0 [ 86.118549][ T5517] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.120047][ T5517] Call trace: [ 86.120516][ T5517] dump_backtrace+0x0/0x43c [ 86.121175][ T5517] show_stack+0x2c/0x3c [ 86.121769][ T5517] __dump_stack+0x30/0x40 [ 86.122510][ T5517] dump_stack_lvl+0xf8/0x160 [ 86.123184][ T5517] dump_stack+0x1c/0x5c [ 86.123815][ T5517] should_fail+0x3c0/0x51c [ 86.124517][ T5517] __should_failslab+0xbc/0x10c [ 86.125141][ T5517] should_failslab+0x10/0x28 [ 86.125835][ T5517] slab_pre_alloc_hook+0x64/0xec [ 86.126529][ T5517] kmem_cache_alloc+0x94/0x3e4 [ 86.127230][ T5517] btrfs_alloc_path+0x5c/0x68 [ 86.127908][ T5517] __btrfs_run_delayed_refs+0xd70/0x3354 [ 86.128727][ T5517] btrfs_run_delayed_refs+0x124/0x46c [ 86.129482][ T5517] btrfs_commit_transaction+0x1b8/0x3044 [ 86.130302][ T5517] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 86.131139][ T5517] btrfs_ioctl+0x5f0/0xb38 [ 86.131766][ T5517] __arm64_sys_ioctl+0x14c/0x1c8 [ 86.132463][ T5517] invoke_syscall+0x98/0x2b8 [ 86.133153][ T5517] el0_svc_common+0x138/0x258 [ 86.133825][ T5517] do_el0_svc+0x58/0x14c [ 86.134398][ T5517] el0_svc+0x78/0x1e0 [ 86.134978][ T5517] el0t_64_sync_handler+0xcc/0xe4 [ 86.135680][ T5517] el0t_64_sync+0x1a0/0x1a4 [ 86.137380][ T5517] BTRFS error (device loop0): failed to run delayed ref for logical 5246976 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 86.139297][ T5517] ------------[ cut here ]------------ [ 86.140150][ T5517] WARNING: CPU: 0 PID: 5517 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 86.141635][ T5517] Modules linked in: [ 86.142259][ T5517] CPU: 0 PID: 5517 Comm: syz.0.41 Tainted: G W syzkaller #0 [ 86.143672][ T5517] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.145171][ T5517] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 86.146304][ T5517] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 86.147170][ T5517] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 86.148036][ T5517] sp : ffff800021c777d0 [ 86.148646][ T5517] x29: ffff800021c777e0 x28: ffff0000d982f000 x27: dfff800000000000 [ 86.149835][ T5517] x26: ffff0000d982f024 x25: ffff0000d73a4000 x24: 1fffe0001c5255d9 [ 86.151043][ T5517] x23: 1fffe0001c5255d9 x22: ffff0000e292aec8 x21: 00000000fffffff4 [ 86.152235][ T5517] x20: 0000000000000051 x19: ffff0000e292ae70 x18: 0000000000000001 [ 86.153499][ T5517] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 86.154682][ T5517] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 86.155944][ T5517] x11: 0000000000000000 x10: 0000000000000000 x9 : e9a09bde95a16100 [ 86.157111][ T5517] x8 : e9a09bde95a16100 x7 : 0000000000000001 x6 : 0000000000000001 [ 86.158277][ T5517] x5 : ffff800021c770b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 86.159450][ T5517] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 86.160643][ T5517] Call trace: [ 86.161123][ T5517] btrfs_run_delayed_refs+0x3f4/0x46c [ 86.162024][ T5517] btrfs_commit_transaction+0x1b8/0x3044 [ 86.162864][ T5517] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 86.163648][ T5517] btrfs_ioctl+0x5f0/0xb38 [ 86.164319][ T5517] __arm64_sys_ioctl+0x14c/0x1c8 [ 86.164998][ T5517] invoke_syscall+0x98/0x2b8 [ 86.165688][ T5517] el0_svc_common+0x138/0x258 [ 86.166350][ T5517] do_el0_svc+0x58/0x14c [ 86.166915][ T5517] el0_svc+0x78/0x1e0 [ 86.167508][ T5517] el0t_64_sync_handler+0xcc/0xe4 [ 86.168231][ T5517] el0t_64_sync+0x1a0/0x1a4 [ 86.168879][ T5517] irq event stamp: 79346 [ 86.169496][ T5517] hardirqs last enabled at (79345): [] __up_console_sem+0xb4/0x100 [ 86.170906][ T5517] hardirqs last disabled at (79346): [] el1_dbg+0x24/0x80 [ 86.172295][ T5517] softirqs last enabled at (79306): [] handle_softirqs+0xa4c/0xbf0 [ 86.173630][ T5517] softirqs last disabled at (79271): [] __irq_exit_rcu+0x240/0x440 [ 86.175001][ T5517] ---[ end trace 16531de42d73391b ]--- [ 86.177344][ T5517] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 86.307932][ T5539] loop0: detected capacity change from 0 to 32768 [ 86.345829][ T5539] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.42 (5539) [ 86.408328][ T5539] FAULT_INJECTION: forcing a failure. [ 86.408328][ T5539] name failslab, interval 1, probability 0, space 0, times 0 [ 86.410378][ T5539] CPU: 0 PID: 5539 Comm: syz.0.42 Tainted: G W syzkaller #0 [ 86.411748][ T5539] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.413317][ T5539] Call trace: [ 86.413823][ T5539] dump_backtrace+0x0/0x43c [ 86.414555][ T5539] show_stack+0x2c/0x3c [ 86.415150][ T5539] __dump_stack+0x30/0x40 [ 86.415840][ T5539] dump_stack_lvl+0xf8/0x160 [ 86.416525][ T5539] dump_stack+0x1c/0x5c [ 86.417205][ T5539] should_fail+0x3c0/0x51c [ 86.417880][ T5539] __should_failslab+0xbc/0x10c [ 86.418568][ T5539] should_failslab+0x10/0x28 [ 86.419307][ T5539] slab_pre_alloc_hook+0x64/0xec [ 86.420114][ T5539] kmem_cache_alloc+0x94/0x3e4 [ 86.420791][ T5539] btrfs_alloc_path+0x5c/0x68 [ 86.421519][ T5539] __btrfs_free_extent+0x19c/0x1aa4 [ 86.422260][ T5539] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 86.423096][ T5539] btrfs_run_delayed_refs+0x124/0x46c [ 86.423832][ T5539] btrfs_commit_transaction+0x1b8/0x3044 [ 86.424639][ T5539] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 86.425429][ T5539] btrfs_ioctl+0x5f0/0xb38 [ 86.426087][ T5539] __arm64_sys_ioctl+0x14c/0x1c8 [ 86.426839][ T5539] invoke_syscall+0x98/0x2b8 [ 86.427509][ T5539] el0_svc_common+0x138/0x258 [ 86.428197][ T5539] do_el0_svc+0x58/0x14c [ 86.428794][ T5539] el0_svc+0x78/0x1e0 [ 86.429404][ T5539] el0t_64_sync_handler+0xcc/0xe4 [ 86.430149][ T5539] el0t_64_sync+0x1a0/0x1a4 [ 86.432518][ T5539] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 86.434589][ T5539] ------------[ cut here ]------------ [ 86.435518][ T5539] WARNING: CPU: 0 PID: 5539 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 86.436977][ T5539] Modules linked in: [ 86.437554][ T5539] CPU: 0 PID: 5539 Comm: syz.0.42 Tainted: G W syzkaller #0 [ 86.438780][ T5539] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.440128][ T5539] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 86.441271][ T5539] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 86.442220][ T5539] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 86.443056][ T5539] sp : ffff800021c777d0 [ 86.443683][ T5539] x29: ffff800021c777e0 x28: ffff0000d9829000 x27: dfff800000000000 [ 86.444865][ T5539] x26: ffff0000d9829024 x25: ffff0000d73a4000 x24: 1fffe0001c52544d [ 86.446090][ T5539] x23: 1fffe0001c52544d x22: ffff0000e292a268 x21: 00000000fffffff4 [ 86.447306][ T5539] x20: 0000000000000051 x19: ffff0000e292a210 x18: 0000000000000001 [ 86.448477][ T5539] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 86.449643][ T5539] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 86.450783][ T5539] x11: 0000000000000000 x10: 0000000000000000 x9 : b3d307147e0a5100 [ 86.451901][ T5539] x8 : b3d307147e0a5100 x7 : 0000000000000001 x6 : 0000000000000001 [ 86.453072][ T5539] x5 : ffff800021c770b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 86.454342][ T5539] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 86.455625][ T5539] Call trace: [ 86.456127][ T5539] btrfs_run_delayed_refs+0x3f4/0x46c [ 86.456956][ T5539] btrfs_commit_transaction+0x1b8/0x3044 [ 86.457845][ T5539] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 86.458639][ T5539] btrfs_ioctl+0x5f0/0xb38 [ 86.459279][ T5539] __arm64_sys_ioctl+0x14c/0x1c8 [ 86.460054][ T5539] invoke_syscall+0x98/0x2b8 [ 86.460810][ T5539] el0_svc_common+0x138/0x258 [ 86.461478][ T5539] do_el0_svc+0x58/0x14c [ 86.462091][ T5539] el0_svc+0x78/0x1e0 [ 86.462669][ T5539] el0t_64_sync_handler+0xcc/0xe4 [ 86.463383][ T5539] el0t_64_sync+0x1a0/0x1a4 [ 86.463993][ T5539] irq event stamp: 79930 [ 86.464681][ T5539] hardirqs last enabled at (79929): [] __up_console_sem+0xb4/0x100 [ 86.466087][ T5539] hardirqs last disabled at (79930): [] el1_dbg+0x24/0x80 [ 86.467307][ T5539] softirqs last enabled at (79906): [] handle_softirqs+0xa4c/0xbf0 [ 86.468705][ T5539] softirqs last disabled at (79809): [] __irq_exit_rcu+0x240/0x440 [ 86.470058][ T5539] ---[ end trace 16531de42d73391c ]--- [ 86.473284][ T5539] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 86.605908][ T5561] loop0: detected capacity change from 0 to 32768 [ 86.698202][ T5561] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.43 (5561) [ 86.718384][ T5561] FAULT_INJECTION: forcing a failure. [ 86.718384][ T5561] name failslab, interval 1, probability 0, space 0, times 0 [ 86.720316][ T5561] CPU: 0 PID: 5561 Comm: syz.0.43 Tainted: G W syzkaller #0 [ 86.721703][ T5561] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.723445][ T5561] Call trace: [ 86.723947][ T5561] dump_backtrace+0x0/0x43c [ 86.724659][ T5561] show_stack+0x2c/0x3c [ 86.725298][ T5561] __dump_stack+0x30/0x40 [ 86.726022][ T5561] dump_stack_lvl+0xf8/0x160 [ 86.726689][ T5561] dump_stack+0x1c/0x5c [ 86.727355][ T5561] should_fail+0x3c0/0x51c [ 86.728015][ T5561] __should_failslab+0xbc/0x10c [ 86.728707][ T5561] should_failslab+0x10/0x28 [ 86.729364][ T5561] slab_pre_alloc_hook+0x64/0xec [ 86.730150][ T5561] kmem_cache_alloc+0x94/0x3e4 [ 86.730858][ T5561] btrfs_alloc_path+0x5c/0x68 [ 86.731587][ T5561] __btrfs_run_delayed_refs+0xd70/0x3354 [ 86.732370][ T5561] btrfs_run_delayed_refs+0x124/0x46c [ 86.733157][ T5561] btrfs_commit_transaction+0x1b8/0x3044 [ 86.734014][ T5561] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 86.734884][ T5561] btrfs_ioctl+0x5f0/0xb38 [ 86.735538][ T5561] __arm64_sys_ioctl+0x14c/0x1c8 [ 86.736241][ T5561] invoke_syscall+0x98/0x2b8 [ 86.736898][ T5561] el0_svc_common+0x138/0x258 [ 86.737554][ T5561] do_el0_svc+0x58/0x14c [ 86.738171][ T5561] el0_svc+0x78/0x1e0 [ 86.738763][ T5561] el0t_64_sync_handler+0xcc/0xe4 [ 86.739474][ T5561] el0t_64_sync+0x1a0/0x1a4 [ 86.741919][ T5561] BTRFS error (device loop0): failed to run delayed ref for logical 5246976 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 86.743917][ T5561] ------------[ cut here ]------------ [ 86.745330][ T5561] WARNING: CPU: 0 PID: 5561 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 86.746878][ T5561] Modules linked in: [ 86.747460][ T5561] CPU: 0 PID: 5561 Comm: syz.0.43 Tainted: G W syzkaller #0 [ 86.748801][ T5561] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.750220][ T5561] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 86.751385][ T5561] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 86.752304][ T5561] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 86.753143][ T5561] sp : ffff800021fe77d0 [ 86.753774][ T5561] x29: ffff800021fe77e0 x28: ffff0000d982b000 x27: dfff800000000000 [ 86.755075][ T5561] x26: ffff0000d982b024 x25: ffff0000d73a4000 x24: 1fffe0001c52540b [ 86.756301][ T5561] x23: 1fffe0001c52540b x22: ffff0000e292a058 x21: 00000000fffffff4 [ 86.757510][ T5561] x20: 0000000000000051 x19: ffff0000e292a000 x18: 0000000000000001 [ 86.758718][ T5561] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 86.759953][ T5561] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 86.761180][ T5561] x11: 0000000000000000 x10: 0000000000000000 x9 : 7f9d558cdfbca900 [ 86.762307][ T5561] x8 : 7f9d558cdfbca900 x7 : 0000000000000001 x6 : 0000000000000001 [ 86.763529][ T5561] x5 : ffff800021fe70b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 86.764787][ T5561] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 86.765989][ T5561] Call trace: [ 86.766492][ T5561] btrfs_run_delayed_refs+0x3f4/0x46c [ 86.767213][ T5561] btrfs_commit_transaction+0x1b8/0x3044 [ 86.768039][ T5561] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 86.768857][ T5561] btrfs_ioctl+0x5f0/0xb38 [ 86.769481][ T5561] __arm64_sys_ioctl+0x14c/0x1c8 [ 86.770197][ T5561] invoke_syscall+0x98/0x2b8 [ 86.770866][ T5561] el0_svc_common+0x138/0x258 [ 86.771652][ T5561] do_el0_svc+0x58/0x14c [ 86.772342][ T5561] el0_svc+0x78/0x1e0 [ 86.772922][ T5561] el0t_64_sync_handler+0xcc/0xe4 [ 86.773741][ T5561] el0t_64_sync+0x1a0/0x1a4 [ 86.774481][ T5561] irq event stamp: 79296 [ 86.775204][ T5561] hardirqs last enabled at (79295): [] __up_console_sem+0xb4/0x100 [ 86.776742][ T5561] hardirqs last disabled at (79296): [] el1_dbg+0x24/0x80 [ 86.778026][ T5561] softirqs last enabled at (79284): [] handle_softirqs+0xa4c/0xbf0 [ 86.779461][ T5561] softirqs last disabled at (79257): [] __irq_exit_rcu+0x240/0x440 [ 86.780853][ T5561] ---[ end trace 16531de42d73391d ]--- [ 86.782997][ T5561] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 86.963436][ T5583] loop0: detected capacity change from 0 to 32768 [ 87.015523][ T5583] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.44 (5583) [ 87.045720][ T5583] FAULT_INJECTION: forcing a failure. [ 87.045720][ T5583] name failslab, interval 1, probability 0, space 0, times 0 [ 87.047730][ T5583] CPU: 0 PID: 5583 Comm: syz.0.44 Tainted: G W syzkaller #0 [ 87.049038][ T5583] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 87.050592][ T5583] Call trace: [ 87.051068][ T5583] dump_backtrace+0x0/0x43c [ 87.051761][ T5583] show_stack+0x2c/0x3c [ 87.052341][ T5583] __dump_stack+0x30/0x40 [ 87.053007][ T5583] dump_stack_lvl+0xf8/0x160 [ 87.053700][ T5583] dump_stack+0x1c/0x5c [ 87.054355][ T5583] should_fail+0x3c0/0x51c [ 87.055014][ T5583] __should_failslab+0xbc/0x10c [ 87.055748][ T5583] should_failslab+0x10/0x28 [ 87.056468][ T5583] slab_pre_alloc_hook+0x64/0xec [ 87.057230][ T5583] kmem_cache_alloc+0x94/0x3e4 [ 87.057969][ T5583] start_transaction+0x4d0/0x13f0 [ 87.058763][ T5583] btrfs_start_transaction+0x34/0x44 [ 87.059614][ T5583] btrfs_ioctl_set_fslabel+0x28c/0x384 [ 87.060448][ T5583] btrfs_ioctl+0x5f0/0xb38 [ 87.061154][ T5583] __arm64_sys_ioctl+0x14c/0x1c8 [ 87.061824][ T5583] invoke_syscall+0x98/0x2b8 [ 87.062534][ T5583] el0_svc_common+0x138/0x258 [ 87.063195][ T5583] do_el0_svc+0x58/0x14c [ 87.063850][ T5583] el0_svc+0x78/0x1e0 [ 87.064473][ T5583] el0t_64_sync_handler+0xcc/0xe4 [ 87.065324][ T5583] el0t_64_sync+0x1a0/0x1a4 [ 87.202249][ T5604] loop0: detected capacity change from 0 to 32768 [ 87.209901][ T5604] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.45 (5604) [ 87.223803][ T5604] FAULT_INJECTION: forcing a failure. [ 87.223803][ T5604] name failslab, interval 1, probability 0, space 0, times 0 [ 87.225904][ T5604] CPU: 1 PID: 5604 Comm: syz.0.45 Tainted: G W syzkaller #0 [ 87.227118][ T5604] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 87.228547][ T5604] Call trace: [ 87.228985][ T5604] dump_backtrace+0x0/0x43c [ 87.229714][ T5604] show_stack+0x2c/0x3c [ 87.230328][ T5604] __dump_stack+0x30/0x40 [ 87.230980][ T5604] dump_stack_lvl+0xf8/0x160 [ 87.231672][ T5604] dump_stack+0x1c/0x5c [ 87.232289][ T5604] should_fail+0x3c0/0x51c [ 87.232907][ T5604] __should_failslab+0xbc/0x10c [ 87.233535][ T5604] should_failslab+0x10/0x28 [ 87.234210][ T5604] slab_pre_alloc_hook+0x64/0xec [ 87.234881][ T5604] kmem_cache_alloc+0x94/0x3e4 [ 87.235552][ T5604] btrfs_alloc_path+0x5c/0x68 [ 87.236252][ T5604] __btrfs_run_delayed_refs+0xd70/0x3354 [ 87.237051][ T5604] btrfs_run_delayed_refs+0x124/0x46c [ 87.237889][ T5604] btrfs_commit_transaction+0x1b8/0x3044 [ 87.238692][ T5604] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 87.239488][ T5604] btrfs_ioctl+0x5f0/0xb38 [ 87.240122][ T5604] __arm64_sys_ioctl+0x14c/0x1c8 [ 87.240855][ T5604] invoke_syscall+0x98/0x2b8 [ 87.241457][ T5604] el0_svc_common+0x138/0x258 [ 87.242191][ T5604] do_el0_svc+0x58/0x14c [ 87.242818][ T5604] el0_svc+0x78/0x1e0 [ 87.243418][ T5604] el0t_64_sync_handler+0xcc/0xe4 [ 87.244158][ T5604] el0t_64_sync+0x1a0/0x1a4 [ 87.245505][ T5604] BTRFS error (device loop0): failed to run delayed ref for logical 5251072 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 87.247563][ T5604] ------------[ cut here ]------------ [ 87.248480][ T5604] WARNING: CPU: 1 PID: 5604 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 87.249947][ T5604] Modules linked in: [ 87.250476][ T5604] CPU: 1 PID: 5604 Comm: syz.0.45 Tainted: G W syzkaller #0 [ 87.251760][ T5604] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 87.253250][ T5604] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 87.254348][ T5604] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 87.255235][ T5604] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 87.256069][ T5604] sp : ffff8000223177d0 [ 87.256668][ T5604] x29: ffff8000223177e0 x28: ffff0000c91f8000 x27: dfff800000000000 [ 87.257818][ T5604] x26: ffff0000c91f8024 x25: ffff0000c82f0000 x24: 1fffe0001c50a221 [ 87.259017][ T5604] x23: 1fffe0001c50a221 x22: ffff0000e2851108 x21: 00000000fffffff4 [ 87.260198][ T5604] x20: 0000000000000051 x19: ffff0000e28510b0 x18: 0000000000000001 [ 87.261298][ T5604] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 87.262435][ T5604] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 87.263622][ T5604] x11: 0000000000000000 x10: 0000000000000000 x9 : 2d6aafd9be341d00 [ 87.264760][ T5604] x8 : 2d6aafd9be341d00 x7 : 0000000000000001 x6 : 0000000000000001 [ 87.265996][ T5604] x5 : ffff8000223170b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 87.267180][ T5604] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 87.268415][ T5604] Call trace: [ 87.268905][ T5604] btrfs_run_delayed_refs+0x3f4/0x46c [ 87.269728][ T5604] btrfs_commit_transaction+0x1b8/0x3044 [ 87.270563][ T5604] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 87.271311][ T5604] btrfs_ioctl+0x5f0/0xb38 [ 87.271895][ T5604] __arm64_sys_ioctl+0x14c/0x1c8 [ 87.272580][ T5604] invoke_syscall+0x98/0x2b8 [ 87.273265][ T5604] el0_svc_common+0x138/0x258 [ 87.273938][ T5604] do_el0_svc+0x58/0x14c [ 87.274554][ T5604] el0_svc+0x78/0x1e0 [ 87.275154][ T5604] el0t_64_sync_handler+0xcc/0xe4 [ 87.275809][ T5604] el0t_64_sync+0x1a0/0x1a4 [ 87.276475][ T5604] irq event stamp: 79684 [ 87.277042][ T5604] hardirqs last enabled at (79683): [] __up_console_sem+0xb4/0x100 [ 87.278410][ T5604] hardirqs last disabled at (79684): [] el1_dbg+0x24/0x80 [ 87.279645][ T5604] softirqs last enabled at (79650): [] handle_softirqs+0xa4c/0xbf0 [ 87.281048][ T5604] softirqs last disabled at (79633): [] __irq_exit_rcu+0x240/0x440 [ 87.282451][ T5604] ---[ end trace 16531de42d73391e ]--- [ 87.284464][ T5604] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 87.422001][ T5626] loop0: detected capacity change from 0 to 32768 [ 87.456912][ T5626] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.46 (5626) [ 87.487089][ T5626] FAULT_INJECTION: forcing a failure. [ 87.487089][ T5626] name failslab, interval 1, probability 0, space 0, times 0 [ 87.489133][ T5626] CPU: 1 PID: 5626 Comm: syz.0.46 Tainted: G W syzkaller #0 [ 87.490436][ T5626] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 87.491948][ T5626] Call trace: [ 87.492496][ T5626] dump_backtrace+0x0/0x43c [ 87.493213][ T5626] show_stack+0x2c/0x3c [ 87.493909][ T5626] __dump_stack+0x30/0x40 [ 87.494548][ T5626] dump_stack_lvl+0xf8/0x160 [ 87.495223][ T5626] dump_stack+0x1c/0x5c [ 87.495825][ T5626] should_fail+0x3c0/0x51c [ 87.496454][ T5626] __should_failslab+0xbc/0x10c [ 87.497231][ T5626] should_failslab+0x10/0x28 [ 87.498014][ T5626] slab_pre_alloc_hook+0x64/0xec [ 87.498745][ T5626] kmem_cache_alloc+0x94/0x3e4 [ 87.499419][ T5626] btrfs_alloc_path+0x5c/0x68 [ 87.500125][ T5626] __btrfs_run_delayed_refs+0xd70/0x3354 [ 87.501049][ T5626] btrfs_run_delayed_refs+0x124/0x46c [ 87.501920][ T5626] btrfs_commit_transaction+0x1b8/0x3044 [ 87.502834][ T5626] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 87.503710][ T5626] btrfs_ioctl+0x5f0/0xb38 [ 87.504397][ T5626] __arm64_sys_ioctl+0x14c/0x1c8 [ 87.505147][ T5626] invoke_syscall+0x98/0x2b8 [ 87.505865][ T5626] el0_svc_common+0x138/0x258 [ 87.506564][ T5626] do_el0_svc+0x58/0x14c [ 87.507198][ T5626] el0_svc+0x78/0x1e0 [ 87.507809][ T5626] el0t_64_sync_handler+0xcc/0xe4 [ 87.508564][ T5626] el0t_64_sync+0x1a0/0x1a4 [ 87.510333][ T5626] BTRFS error (device loop0): failed to run delayed ref for logical 5246976 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 87.512312][ T5626] ------------[ cut here ]------------ [ 87.513236][ T5626] WARNING: CPU: 1 PID: 5626 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 87.514796][ T5626] Modules linked in: [ 87.515366][ T5626] CPU: 1 PID: 5626 Comm: syz.0.46 Tainted: G W syzkaller #0 [ 87.516652][ T5626] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 87.518142][ T5626] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 87.519250][ T5626] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 87.520106][ T5626] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 87.520962][ T5626] sp : ffff8000222677d0 [ 87.521547][ T5626] x29: ffff8000222677e0 x28: ffff0000cb535000 x27: dfff800000000000 [ 87.522763][ T5626] x26: ffff0000cb535024 x25: ffff0000c82f0000 x24: 1fffe0001c50a3c3 [ 87.523912][ T5626] x23: 1fffe0001c50a3c3 x22: ffff0000e2851e18 x21: 00000000fffffff4 [ 87.525053][ T5626] x20: 0000000000000051 x19: ffff0000e2851dc0 x18: 0000000000000001 [ 87.526226][ T5626] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 87.527374][ T5626] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 87.528568][ T5626] x11: 0000000000000000 x10: 0000000000000000 x9 : f1fed605ba543400 [ 87.529723][ T5626] x8 : f1fed605ba543400 x7 : 0000000000000001 x6 : 0000000000000001 [ 87.530937][ T5626] x5 : ffff8000222670b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 87.532158][ T5626] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 87.533354][ T5626] Call trace: [ 87.533872][ T5626] btrfs_run_delayed_refs+0x3f4/0x46c [ 87.534668][ T5626] btrfs_commit_transaction+0x1b8/0x3044 [ 87.535454][ T5626] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 87.536229][ T5626] btrfs_ioctl+0x5f0/0xb38 [ 87.536841][ T5626] __arm64_sys_ioctl+0x14c/0x1c8 [ 87.537553][ T5626] invoke_syscall+0x98/0x2b8 [ 87.538264][ T5626] el0_svc_common+0x138/0x258 [ 87.538942][ T5626] do_el0_svc+0x58/0x14c [ 87.539598][ T5626] el0_svc+0x78/0x1e0 [ 87.540212][ T5626] el0t_64_sync_handler+0xcc/0xe4 [ 87.540985][ T5626] el0t_64_sync+0x1a0/0x1a4 [ 87.541666][ T5626] irq event stamp: 78990 [ 87.542238][ T5626] hardirqs last enabled at (78989): [] __up_console_sem+0xb4/0x100 [ 87.543832][ T5626] hardirqs last disabled at (78990): [] el1_dbg+0x24/0x80 [ 87.545228][ T5626] softirqs last enabled at (78956): [] handle_softirqs+0xa4c/0xbf0 [ 87.546594][ T5626] softirqs last disabled at (78909): [] __irq_exit_rcu+0x240/0x440 [ 87.547983][ T5626] ---[ end trace 16531de42d73391f ]--- [ 87.559410][ T5626] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 87.758397][ T5648] loop0: detected capacity change from 0 to 32768 [ 87.838969][ T5648] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.47 (5648) [ 87.866538][ T5648] FAULT_INJECTION: forcing a failure. [ 87.866538][ T5648] name failslab, interval 1, probability 0, space 0, times 0 [ 87.868543][ T5648] CPU: 0 PID: 5648 Comm: syz.0.47 Tainted: G W syzkaller #0 [ 87.869902][ T5648] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 87.871475][ T5648] Call trace: [ 87.871998][ T5648] dump_backtrace+0x0/0x43c [ 87.872675][ T5648] show_stack+0x2c/0x3c [ 87.873319][ T5648] __dump_stack+0x30/0x40 [ 87.874017][ T5648] dump_stack_lvl+0xf8/0x160 [ 87.874680][ T5648] dump_stack+0x1c/0x5c [ 87.875298][ T5648] should_fail+0x3c0/0x51c [ 87.876005][ T5648] __should_failslab+0xbc/0x10c [ 87.876622][ T5648] should_failslab+0x10/0x28 [ 87.877257][ T5648] slab_pre_alloc_hook+0x64/0xec [ 87.877983][ T5648] kmem_cache_alloc+0x94/0x3e4 [ 87.878695][ T5648] btrfs_alloc_path+0x5c/0x68 [ 87.879383][ T5648] __btrfs_run_delayed_refs+0xd70/0x3354 [ 87.880173][ T5648] btrfs_run_delayed_refs+0x124/0x46c [ 87.880935][ T5648] btrfs_commit_transaction+0x1b8/0x3044 [ 87.881718][ T5648] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 87.882494][ T5648] btrfs_ioctl+0x5f0/0xb38 [ 87.883126][ T5648] __arm64_sys_ioctl+0x14c/0x1c8 [ 87.883841][ T5648] invoke_syscall+0x98/0x2b8 [ 87.884571][ T5648] el0_svc_common+0x138/0x258 [ 87.885284][ T5648] do_el0_svc+0x58/0x14c [ 87.885894][ T5648] el0_svc+0x78/0x1e0 [ 87.886471][ T5648] el0t_64_sync_handler+0xcc/0xe4 [ 87.887219][ T5648] el0t_64_sync+0x1a0/0x1a4 [ 87.893211][ T5648] BTRFS error (device loop0): failed to run delayed ref for logical 5246976 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 87.895346][ T5648] ------------[ cut here ]------------ [ 87.896279][ T5648] WARNING: CPU: 0 PID: 5648 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 87.897830][ T5648] Modules linked in: [ 87.898382][ T5648] CPU: 0 PID: 5648 Comm: syz.0.47 Tainted: G W syzkaller #0 [ 87.899605][ T5648] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 87.901153][ T5648] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 87.902380][ T5648] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 87.903234][ T5648] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 87.904057][ T5648] sp : ffff8000228777d0 [ 87.904666][ T5648] x29: ffff8000228777e0 x28: ffff0000cebf4000 x27: dfff800000000000 [ 87.905865][ T5648] x26: ffff0000cebf4024 x25: ffff0000ed984000 x24: 1fffe0001c5254fd [ 87.907058][ T5648] x23: 1fffe0001c5254fd x22: ffff0000e292a7e8 x21: 00000000fffffff4 [ 87.908336][ T5648] x20: 0000000000000051 x19: ffff0000e292a790 x18: 0000000000000001 [ 87.909660][ T5648] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 87.910895][ T5648] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 87.912181][ T5648] x11: 0000000000000000 x10: 0000000000000000 x9 : b38a358a85eede00 [ 87.913502][ T5648] x8 : b38a358a85eede00 x7 : 0000000000000001 x6 : 0000000000000001 [ 87.914683][ T5648] x5 : ffff8000228770b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 87.915912][ T5648] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 87.917101][ T5648] Call trace: [ 87.917602][ T5648] btrfs_run_delayed_refs+0x3f4/0x46c [ 87.918342][ T5648] btrfs_commit_transaction+0x1b8/0x3044 [ 87.919156][ T5648] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 87.919986][ T5648] btrfs_ioctl+0x5f0/0xb38 [ 87.920657][ T5648] __arm64_sys_ioctl+0x14c/0x1c8 [ 87.921437][ T5648] invoke_syscall+0x98/0x2b8 [ 87.922206][ T5648] el0_svc_common+0x138/0x258 [ 87.922948][ T5648] do_el0_svc+0x58/0x14c [ 87.923607][ T5648] el0_svc+0x78/0x1e0 [ 87.924209][ T5648] el0t_64_sync_handler+0xcc/0xe4 [ 87.925050][ T5648] el0t_64_sync+0x1a0/0x1a4 [ 87.925726][ T5648] irq event stamp: 79516 [ 87.926391][ T5648] hardirqs last enabled at (79515): [] __up_console_sem+0xb4/0x100 [ 87.927739][ T5648] hardirqs last disabled at (79516): [] el1_dbg+0x24/0x80 [ 87.929082][ T5648] softirqs last enabled at (79494): [] handle_softirqs+0xa4c/0xbf0 [ 87.930558][ T5648] softirqs last disabled at (79375): [] __irq_exit_rcu+0x240/0x440 [ 87.931951][ T5648] ---[ end trace 16531de42d733920 ]--- [ 87.935042][ T5648] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 88.106117][ T5670] loop0: detected capacity change from 0 to 32768 [ 88.148490][ T5670] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.48 (5670) [ 88.169485][ T5670] FAULT_INJECTION: forcing a failure. [ 88.169485][ T5670] name failslab, interval 1, probability 0, space 0, times 0 [ 88.171492][ T5670] CPU: 1 PID: 5670 Comm: syz.0.48 Tainted: G W syzkaller #0 [ 88.172761][ T5670] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 88.174322][ T5670] Call trace: [ 88.174832][ T5670] dump_backtrace+0x0/0x43c [ 88.175488][ T5670] show_stack+0x2c/0x3c [ 88.176136][ T5670] __dump_stack+0x30/0x40 [ 88.176801][ T5670] dump_stack_lvl+0xf8/0x160 [ 88.177478][ T5670] dump_stack+0x1c/0x5c [ 88.178146][ T5670] should_fail+0x3c0/0x51c [ 88.178843][ T5670] __should_failslab+0xbc/0x10c [ 88.179562][ T5670] should_failslab+0x10/0x28 [ 88.180280][ T5670] slab_pre_alloc_hook+0x64/0xec [ 88.180939][ T5670] kmem_cache_alloc+0x94/0x3e4 [ 88.181656][ T5670] btrfs_alloc_path+0x5c/0x68 [ 88.182311][ T5670] __btrfs_run_delayed_refs+0xd70/0x3354 [ 88.183092][ T5670] btrfs_run_delayed_refs+0x124/0x46c [ 88.183867][ T5670] btrfs_commit_transaction+0x1b8/0x3044 [ 88.184677][ T5670] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 88.185428][ T5670] btrfs_ioctl+0x5f0/0xb38 [ 88.186033][ T5670] __arm64_sys_ioctl+0x14c/0x1c8 [ 88.186733][ T5670] invoke_syscall+0x98/0x2b8 [ 88.187449][ T5670] el0_svc_common+0x138/0x258 [ 88.188202][ T5670] do_el0_svc+0x58/0x14c [ 88.188765][ T5670] el0_svc+0x78/0x1e0 [ 88.189343][ T5670] el0t_64_sync_handler+0xcc/0xe4 [ 88.190105][ T5670] el0t_64_sync+0x1a0/0x1a4 [ 88.192656][ T5670] BTRFS error (device loop0): failed to run delayed ref for logical 5246976 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 88.194815][ T5670] ------------[ cut here ]------------ [ 88.195740][ T5670] WARNING: CPU: 1 PID: 5670 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 88.197176][ T5670] Modules linked in: [ 88.197715][ T5670] CPU: 1 PID: 5670 Comm: syz.0.48 Tainted: G W syzkaller #0 [ 88.198952][ T5670] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 88.200401][ T5670] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 88.201508][ T5670] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 88.202376][ T5670] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 88.203252][ T5670] sp : ffff8000228b77d0 [ 88.203837][ T5670] x29: ffff8000228b77e0 x28: ffff0000cb531000 x27: dfff800000000000 [ 88.205052][ T5670] x26: ffff0000cb531024 x25: ffff0000ed3dc000 x24: 1fffe0001c50a329 [ 88.206184][ T5670] x23: 1fffe0001c50a329 x22: ffff0000e2851948 x21: 00000000fffffff4 [ 88.207299][ T5670] x20: 0000000000000051 x19: ffff0000e28518f0 x18: 0000000000000001 [ 88.208553][ T5670] x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff [ 88.209728][ T5670] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 88.210960][ T5670] x11: 0000000000000000 x10: 0000000000000000 x9 : 6a6d1d9e20198500 [ 88.212250][ T5670] x8 : 6a6d1d9e20198500 x7 : 0000000000000001 x6 : 0000000000000001 [ 88.213370][ T5670] x5 : ffff8000228b70b8 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc [ 88.214570][ T5670] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 88.215778][ T5670] Call trace: [ 88.216252][ T5670] btrfs_run_delayed_refs+0x3f4/0x46c [ 88.217038][ T5670] btrfs_commit_transaction+0x1b8/0x3044 [ 88.217907][ T5670] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 88.218732][ T5670] btrfs_ioctl+0x5f0/0xb38 [ 88.219358][ T5670] __arm64_sys_ioctl+0x14c/0x1c8 [ 88.220115][ T5670] invoke_syscall+0x98/0x2b8 [ 88.220788][ T5670] el0_svc_common+0x138/0x258 [ 88.221436][ T5670] do_el0_svc+0x58/0x14c [ 88.222056][ T5670] el0_svc+0x78/0x1e0 [ 88.222653][ T5670] el0t_64_sync_handler+0xcc/0xe4 [ 88.223423][ T5670] el0t_64_sync+0x1a0/0x1a4 [ 88.224121][ T5670] irq event stamp: 78960 [ 88.224740][ T5670] hardirqs last enabled at (78959): [] __up_console_sem+0xb4/0x100 [ 88.226177][ T5670] hardirqs last disabled at (78960): [] el1_dbg+0x24/0x80 [ 88.227393][ T5670] softirqs last enabled at (78938): [] handle_softirqs+0xa4c/0xbf0 [ 88.228777][ T5670] softirqs last disabled at (78827): [] __irq_exit_rcu+0x240/0x440 [ 88.230114][ T5670] ---[ end trace 16531de42d733921 ]--- [ 88.231874][ T5670] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory