Warning: Permanently added '10.128.10.0' (ED25519) to the list of known hosts. 1970/01/01 00:01:01 parsed 1 programs [ 62.450220][ T4416] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 63.743199][ T4549] chnl_net:caif_netlink_parms(): no params data found [ 63.763476][ T4549] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.764658][ T4549] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.766079][ T4549] device bridge_slave_0 entered promiscuous mode [ 63.767945][ T4549] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.768966][ T4549] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.770695][ T4549] device bridge_slave_1 entered promiscuous mode [ 63.779244][ T4549] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.781511][ T4549] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.788700][ T4549] team0: Port device team_slave_0 added [ 63.790456][ T4549] team0: Port device team_slave_1 added [ 63.796981][ T4549] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 63.798080][ T4549] 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. [ 63.802294][ T4549] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 63.804594][ T4549] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 63.805665][ T4549] 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. [ 63.809783][ T4549] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 63.870206][ T4549] device hsr_slave_0 entered promiscuous mode [ 63.909192][ T4549] device hsr_slave_1 entered promiscuous mode [ 64.551742][ T4549] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 64.600919][ T4549] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 64.640188][ T4549] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 64.670545][ T4549] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 64.735897][ T4549] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.737158][ T4549] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.738342][ T4549] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.739480][ T4549] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.751989][ T590] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.753429][ T590] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.767045][ T4549] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.771229][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.772659][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.775561][ T4549] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.778026][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.780091][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.781610][ T148] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.782616][ T148] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.790393][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.791963][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.793418][ T590] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.794537][ T590] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.797289][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.801737][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.804576][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.806467][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.810731][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.814442][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.816131][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.817762][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 64.820867][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.827221][ T4549] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 64.829029][ T4549] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 64.836446][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 64.838184][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.917114][ T4549] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.921974][ T1765] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 64.923172][ T1765] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 64.933054][ T1765] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 64.934454][ T1765] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 64.942822][ T4549] device veth0_vlan entered promiscuous mode [ 64.945677][ T1765] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 64.947172][ T1765] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 64.948916][ T1765] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 64.951329][ T1765] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 64.954725][ T4549] device veth1_vlan entered promiscuous mode [ 64.963492][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 64.965013][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 64.966423][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 64.967942][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 64.971669][ T4549] device veth0_macvtap entered promiscuous mode [ 64.974008][ T4549] device veth1_macvtap entered promiscuous mode [ 64.981279][ T4549] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 64.982526][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 64.983988][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 64.985336][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 64.986852][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 64.991391][ T4549] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 64.992546][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 64.993956][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 64.996610][ T4549] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.997983][ T4549] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.000303][ T4549] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.001659][ T4549] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.333198][ T392] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 65.557057][ T148] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 65.558342][ T148] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 65.560470][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 65.572404][ T1765] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 65.573603][ T1765] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 65.575096][ T590] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:01:05 executed programs: 0 [ 66.027371][ T4806] chnl_net:caif_netlink_parms(): no params data found [ 66.044813][ T4806] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.045978][ T4806] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.047440][ T4806] device bridge_slave_0 entered promiscuous mode [ 66.049497][ T4806] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.050669][ T4806] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.052131][ T4806] device bridge_slave_1 entered promiscuous mode [ 66.059947][ T4806] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.062461][ T4806] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.071292][ T4806] team0: Port device team_slave_0 added [ 66.075119][ T4806] team0: Port device team_slave_1 added [ 66.083395][ T4806] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 66.084503][ T4806] 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. [ 66.088484][ T4806] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 66.091323][ T4806] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 66.092361][ T4806] 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. [ 66.096018][ T4806] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 66.140370][ T4806] device hsr_slave_0 entered promiscuous mode [ 66.159383][ T4806] device hsr_slave_1 entered promiscuous mode [ 66.209262][ T4806] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.210544][ T4806] Cannot create hsr debugfs directory [ 68.019451][ T4080] Bluetooth: hci0: command 0x0409 tx timeout [ 68.351968][ T392] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 69.620143][ T2064] ieee802154 phy0 wpan0: encryption failed: -22 [ 69.620777][ T1541] cfg80211: failed to load regulatory.db [ 69.621185][ T2064] ieee802154 phy1 wpan1: encryption failed: -22 [ 70.099268][ T4051] Bluetooth: hci0: command 0x041b tx timeout [ 70.902064][ T392] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 70.962322][ T392] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 71.982236][ T4806] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 72.010669][ T4806] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 72.060820][ T4806] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 72.100512][ T4806] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 72.189086][ T7] Bluetooth: hci0: command 0x040f tx timeout [ 72.193314][ T4806] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.196925][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 72.198435][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.201731][ T4806] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.204229][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.205805][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.207255][ T148] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.208329][ T148] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.213096][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 72.214736][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.216310][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.217658][ T148] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.218707][ T148] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.229486][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 72.232794][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 72.235511][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 72.237114][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 72.238530][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 72.242254][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 72.243796][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 72.246521][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 72.247975][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 72.252780][ T4806] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 72.254796][ T4806] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 72.260563][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 72.262104][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 72.300071][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 72.301311][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 72.310815][ T4806] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 72.316856][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 72.318464][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 72.324663][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 72.326055][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 72.327646][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 72.328930][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 72.332108][ T4806] device veth0_vlan entered promiscuous mode [ 72.335420][ T4806] device veth1_vlan entered promiscuous mode [ 72.342945][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 72.345001][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 72.346420][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 72.347982][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 72.351834][ T4806] device veth0_macvtap entered promiscuous mode [ 72.354122][ T4806] device veth1_macvtap entered promiscuous mode [ 72.359509][ T4806] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 72.361112][ T4806] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 72.363087][ T4806] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 72.364145][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 72.365653][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 72.367132][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 72.368733][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 72.371853][ T4806] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 72.373430][ T4806] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 72.375584][ T4806] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 72.376781][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 72.378395][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 72.381653][ T4806] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.383038][ T4806] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.384356][ T4806] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.385570][ T4806] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.404490][ T1765] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 72.405792][ T1765] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 72.407335][ T1765] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 72.414369][ T148] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 72.415635][ T148] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 72.417146][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:01:12 executed programs: 2 [ 72.531491][ T5013] loop0: detected capacity change from 0 to 32768 [ 72.576772][ T5013] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.16 (5013) [ 72.583159][ T5013] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 72.584545][ T5013] BTRFS info (device loop0): enabling auto defrag [ 72.585484][ T5013] BTRFS info (device loop0): enabling ssd optimizations [ 72.586596][ T5013] BTRFS info (device loop0): using spread ssd allocation scheme [ 72.587822][ T5013] BTRFS info (device loop0): max_inline at 0 [ 72.588771][ T5013] BTRFS info (device loop0): force clearing of disk cache [ 72.590478][ T5013] BTRFS info (device loop0): turning on sync discard [ 72.591476][ T5013] BTRFS info (device loop0): disabling free space tree [ 72.592522][ T5013] BTRFS info (device loop0): has skinny extents [ 72.603547][ T5013] BTRFS info (device loop0): clearing free space tree [ 72.604793][ T5013] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 72.606299][ T5013] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 72.618338][ T5013] FAULT_INJECTION: forcing a failure. [ 72.618338][ T5013] name failslab, interval 1, probability 0, space 0, times 1 [ 72.620598][ T5013] CPU: 1 PID: 5013 Comm: syz.0.16 Not tainted syzkaller #0 [ 72.621649][ T5013] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 72.623168][ T5013] Call trace: [ 72.623634][ T5013] dump_backtrace+0x0/0x43c [ 72.624334][ T5013] show_stack+0x2c/0x3c [ 72.624964][ T5013] __dump_stack+0x30/0x40 [ 72.625585][ T5013] dump_stack_lvl+0xf8/0x160 [ 72.626309][ T5013] dump_stack+0x1c/0x5c [ 72.626979][ T5013] should_fail+0x3c0/0x51c [ 72.627728][ T5013] __should_failslab+0xbc/0x10c [ 72.628487][ T5013] should_failslab+0x10/0x28 [ 72.629201][ T5013] slab_pre_alloc_hook+0x64/0xec [ 72.629926][ T5013] kmem_cache_alloc+0x94/0x3e4 [ 72.630682][ T5013] btrfs_alloc_path+0x5c/0x68 [ 72.631368][ T5013] __btrfs_free_extent+0x19c/0x1aa4 [ 72.632085][ T5013] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 72.633012][ T5013] btrfs_run_delayed_refs+0x124/0x46c [ 72.633895][ T5013] btrfs_commit_transaction+0x1b8/0x3044 [ 72.634754][ T5013] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 72.635859][ T5013] btrfs_ioctl+0x5f0/0xb38 [ 72.636580][ T5013] __arm64_sys_ioctl+0x14c/0x1c8 [ 72.637390][ T5013] invoke_syscall+0x98/0x2b8 [ 72.638100][ T5013] el0_svc_common+0x138/0x258 [ 72.638859][ T5013] do_el0_svc+0x58/0x14c [ 72.639539][ T5013] el0_svc+0x78/0x1e0 [ 72.640204][ T5013] el0t_64_sync_handler+0xcc/0xe4 [ 72.641001][ T5013] el0t_64_sync+0x1a0/0x1a4 [ 72.642919][ T5013] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 72.644959][ T5013] ------------[ cut here ]------------ [ 72.645931][ T5013] WARNING: CPU: 1 PID: 5013 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 72.647365][ T5013] Modules linked in: [ 72.647926][ T5013] CPU: 1 PID: 5013 Comm: syz.0.16 Not tainted syzkaller #0 [ 72.648949][ T5013] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 72.650368][ T5013] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 72.651421][ T5013] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 72.652204][ T5013] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 72.653001][ T5013] sp : ffff80001fe477d0 [ 72.653561][ T5013] x29: ffff80001fe477e0 x28: ffff0000db6ac000 x27: dfff800000000000 [ 72.654824][ T5013] x26: ffff0000db6ac024 x25: ffff0000d23b8000 x24: 1fffe0001c50f237 [ 72.656072][ T5013] x23: 1fffe0001c50f237 x22: ffff0000e28791b8 x21: 00000000fffffff4 [ 72.657289][ T5013] x20: 0000000000000051 x19: ffff0000e2879160 x18: 0000000000000001 [ 72.658510][ T5013] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 72.659815][ T5013] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 72.661128][ T5013] x11: 0000000000000000 x10: 0000000000000000 x9 : 27f20bf5dc4a1f00 [ 72.662427][ T5013] x8 : 27f20bf5dc4a1f00 x7 : 0000000000000001 x6 : 0000000000000001 [ 72.663643][ T5013] x5 : ffff80001fe470b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 72.664956][ T5013] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 72.666276][ T5013] Call trace: [ 72.666739][ T5013] btrfs_run_delayed_refs+0x3f4/0x46c [ 72.667592][ T5013] btrfs_commit_transaction+0x1b8/0x3044 [ 72.668404][ T5013] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 72.669289][ T5013] btrfs_ioctl+0x5f0/0xb38 [ 72.669989][ T5013] __arm64_sys_ioctl+0x14c/0x1c8 [ 72.670761][ T5013] invoke_syscall+0x98/0x2b8 [ 72.671457][ T5013] el0_svc_common+0x138/0x258 [ 72.672209][ T5013] do_el0_svc+0x58/0x14c [ 72.672850][ T5013] el0_svc+0x78/0x1e0 [ 72.673423][ T5013] el0t_64_sync_handler+0xcc/0xe4 [ 72.674131][ T5013] el0t_64_sync+0x1a0/0x1a4 [ 72.674759][ T5013] irq event stamp: 81486 [ 72.675360][ T5013] hardirqs last enabled at (81485): [] __up_console_sem+0xb4/0x100 [ 72.676847][ T5013] hardirqs last disabled at (81486): [] el1_dbg+0x24/0x80 [ 72.678131][ T5013] softirqs last enabled at (81452): [] handle_softirqs+0xa4c/0xbf0 [ 72.679553][ T5013] softirqs last disabled at (81411): [] __irq_exit_rcu+0x240/0x440 [ 72.680975][ T5013] ---[ end trace 4596da51229b920e ]--- [ 72.682750][ T5013] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 72.684180][ T5013] BTRFS info (device loop0): forced readonly [ 72.863658][ T5045] loop0: detected capacity change from 0 to 32768 [ 72.900391][ T5045] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.17 (5045) [ 72.962321][ T5045] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 72.963735][ T5045] BTRFS info (device loop0): enabling auto defrag [ 72.964749][ T5045] BTRFS info (device loop0): enabling ssd optimizations [ 72.965878][ T5045] BTRFS info (device loop0): using spread ssd allocation scheme [ 72.967096][ T5045] BTRFS info (device loop0): max_inline at 0 [ 72.967966][ T5045] BTRFS info (device loop0): force clearing of disk cache [ 72.969021][ T5045] BTRFS info (device loop0): turning on sync discard [ 72.971436][ T5045] BTRFS info (device loop0): disabling free space tree [ 72.972458][ T5045] BTRFS info (device loop0): has skinny extents [ 72.981497][ T5045] BTRFS info (device loop0): clearing free space tree [ 72.982547][ T5045] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 72.983954][ T5045] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 72.988975][ T5045] FAULT_INJECTION: forcing a failure. [ 72.988975][ T5045] name failslab, interval 1, probability 0, space 0, times 0 [ 72.991514][ T5045] CPU: 1 PID: 5045 Comm: syz.0.17 Tainted: G W syzkaller #0 [ 72.992813][ T5045] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 72.994258][ T5045] Call trace: [ 72.994722][ T5045] dump_backtrace+0x0/0x43c [ 72.995379][ T5045] show_stack+0x2c/0x3c [ 72.995961][ T5045] __dump_stack+0x30/0x40 [ 72.996606][ T5045] dump_stack_lvl+0xf8/0x160 [ 72.997273][ T5045] dump_stack+0x1c/0x5c [ 72.997931][ T5045] should_fail+0x3c0/0x51c [ 72.998604][ T5045] __should_failslab+0xbc/0x10c [ 72.999344][ T5045] should_failslab+0x10/0x28 [ 73.000102][ T5045] slab_pre_alloc_hook+0x64/0xec [ 73.000896][ T5045] kmem_cache_alloc+0x94/0x3e4 [ 73.001622][ T5045] start_transaction+0x4d0/0x13f0 [ 73.002430][ T5045] btrfs_start_transaction+0x34/0x44 [ 73.003289][ T5045] btrfs_ioctl_set_fslabel+0x28c/0x384 [ 73.004195][ T5045] btrfs_ioctl+0x5f0/0xb38 [ 73.004902][ T5045] __arm64_sys_ioctl+0x14c/0x1c8 [ 73.005654][ T5045] invoke_syscall+0x98/0x2b8 [ 73.006407][ T5045] el0_svc_common+0x138/0x258 [ 73.007129][ T5045] do_el0_svc+0x58/0x14c [ 73.007802][ T5045] el0_svc+0x78/0x1e0 [ 73.008398][ T5045] el0t_64_sync_handler+0xcc/0xe4 [ 73.009186][ T5045] el0t_64_sync+0x1a0/0x1a4 [ 73.156970][ T5069] loop0: detected capacity change from 0 to 32768 [ 73.200297][ T5069] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.18 (5069) [ 73.261610][ T5069] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 73.262965][ T5069] BTRFS info (device loop0): enabling auto defrag [ 73.263906][ T5069] BTRFS info (device loop0): enabling ssd optimizations [ 73.264874][ T5069] BTRFS info (device loop0): using spread ssd allocation scheme [ 73.265981][ T5069] BTRFS info (device loop0): max_inline at 0 [ 73.266850][ T5069] BTRFS info (device loop0): force clearing of disk cache [ 73.267980][ T5069] BTRFS info (device loop0): turning on sync discard [ 73.269006][ T5069] BTRFS info (device loop0): disabling free space tree [ 73.270503][ T5069] BTRFS info (device loop0): has skinny extents [ 73.278259][ T5069] BTRFS info (device loop0): clearing free space tree [ 73.279430][ T5069] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 73.280946][ T5069] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 73.286899][ T5069] FAULT_INJECTION: forcing a failure. [ 73.286899][ T5069] name failslab, interval 1, probability 0, space 0, times 0 [ 73.288888][ T5069] CPU: 0 PID: 5069 Comm: syz.0.18 Tainted: G W syzkaller #0 [ 73.290369][ T5069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 73.292085][ T5069] Call trace: [ 73.292598][ T5069] dump_backtrace+0x0/0x43c [ 73.293329][ T5069] show_stack+0x2c/0x3c [ 73.294026][ T5069] __dump_stack+0x30/0x40 [ 73.294738][ T5069] dump_stack_lvl+0xf8/0x160 [ 73.295524][ T5069] dump_stack+0x1c/0x5c [ 73.296196][ T5069] should_fail+0x3c0/0x51c [ 73.296899][ T5069] __should_failslab+0xbc/0x10c [ 73.297728][ T5069] should_failslab+0x10/0x28 [ 73.298447][ T5069] slab_pre_alloc_hook+0x64/0xec [ 73.299229][ T5069] kmem_cache_alloc+0x94/0x3e4 [ 73.299963][ T5069] start_transaction+0x4d0/0x13f0 [ 73.300747][ T5069] btrfs_start_transaction+0x34/0x44 [ 73.301585][ T5069] btrfs_ioctl_set_fslabel+0x28c/0x384 [ 73.302480][ T5069] btrfs_ioctl+0x5f0/0xb38 [ 73.303242][ T5069] __arm64_sys_ioctl+0x14c/0x1c8 [ 73.304068][ T5069] invoke_syscall+0x98/0x2b8 [ 73.304744][ T5069] el0_svc_common+0x138/0x258 [ 73.305516][ T5069] do_el0_svc+0x58/0x14c [ 73.306203][ T5069] el0_svc+0x78/0x1e0 [ 73.306866][ T5069] el0t_64_sync_handler+0xcc/0xe4 [ 73.307695][ T5069] el0t_64_sync+0x1a0/0x1a4 [ 73.463495][ T5094] loop0: detected capacity change from 0 to 32768 [ 73.543921][ T5094] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.19 (5094) [ 73.546972][ T5094] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 73.548188][ T5094] BTRFS info (device loop0): enabling auto defrag [ 73.549267][ T5094] BTRFS info (device loop0): enabling ssd optimizations [ 73.550223][ T5094] BTRFS info (device loop0): using spread ssd allocation scheme [ 73.551699][ T5094] BTRFS info (device loop0): max_inline at 0 [ 73.552603][ T5094] BTRFS info (device loop0): force clearing of disk cache [ 73.553696][ T5094] BTRFS info (device loop0): turning on sync discard [ 73.554650][ T5094] BTRFS info (device loop0): disabling free space tree [ 73.555692][ T5094] BTRFS info (device loop0): has skinny extents [ 73.565541][ T5094] BTRFS info (device loop0): clearing free space tree [ 73.566623][ T5094] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 73.568134][ T5094] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 73.573046][ T5094] FAULT_INJECTION: forcing a failure. [ 73.573046][ T5094] name failslab, interval 1, probability 0, space 0, times 0 [ 73.574956][ T5094] CPU: 0 PID: 5094 Comm: syz.0.19 Tainted: G W syzkaller #0 [ 73.576278][ T5094] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 73.577746][ T5094] Call trace: [ 73.578222][ T5094] dump_backtrace+0x0/0x43c [ 73.578875][ T5094] show_stack+0x2c/0x3c [ 73.579512][ T5094] __dump_stack+0x30/0x40 [ 73.580115][ T5094] dump_stack_lvl+0xf8/0x160 [ 73.580777][ T5094] dump_stack+0x1c/0x5c [ 73.581363][ T5094] should_fail+0x3c0/0x51c [ 73.582043][ T5094] __should_failslab+0xbc/0x10c [ 73.582820][ T5094] should_failslab+0x10/0x28 [ 73.583540][ T5094] slab_pre_alloc_hook+0x64/0xec [ 73.584306][ T5094] kmem_cache_alloc+0x94/0x3e4 [ 73.585107][ T5094] btrfs_alloc_path+0x5c/0x68 [ 73.585904][ T5094] __btrfs_free_extent+0x19c/0x1aa4 [ 73.586743][ T5094] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 73.587602][ T5094] btrfs_run_delayed_refs+0x124/0x46c [ 73.588392][ T5094] btrfs_commit_transaction+0x1b8/0x3044 [ 73.589309][ T5094] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 73.590159][ T5094] btrfs_ioctl+0x5f0/0xb38 [ 73.590851][ T5094] __arm64_sys_ioctl+0x14c/0x1c8 [ 73.591678][ T5094] invoke_syscall+0x98/0x2b8 [ 73.592361][ T5094] el0_svc_common+0x138/0x258 [ 73.593090][ T5094] do_el0_svc+0x58/0x14c [ 73.593747][ T5094] el0_svc+0x78/0x1e0 [ 73.594333][ T5094] el0t_64_sync_handler+0xcc/0xe4 [ 73.595049][ T5094] el0t_64_sync+0x1a0/0x1a4 [ 73.598250][ T5094] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 73.600243][ T5094] ------------[ cut here ]------------ [ 73.601270][ T5094] WARNING: CPU: 0 PID: 5094 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 73.602714][ T5094] Modules linked in: [ 73.603289][ T5094] CPU: 0 PID: 5094 Comm: syz.0.19 Tainted: G W syzkaller #0 [ 73.604506][ T5094] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 73.605879][ T5094] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 73.606948][ T5094] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 73.607756][ T5094] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 73.608665][ T5094] sp : ffff8000202e77d0 [ 73.609293][ T5094] x29: ffff8000202e77e0 x28: ffff0000ed315000 x27: dfff800000000000 [ 73.610493][ T5094] x26: ffff0000ed315024 x25: ffff0000e796c000 x24: 1fffe0001bd7668f [ 73.611711][ T5094] x23: 1fffe0001bd7668f x22: ffff0000debb3478 x21: 00000000fffffff4 [ 73.613005][ T5094] x20: 0000000000000051 x19: ffff0000debb3420 x18: 0000000000000001 [ 73.614301][ T5094] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 73.615588][ T5094] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 73.616718][ T5094] x11: 0000000000000000 x10: 0000000000000000 x9 : e70a54b17217f500 [ 73.617863][ T5094] x8 : e70a54b17217f500 x7 : 0000000000000001 x6 : 0000000000000001 [ 73.619039][ T5094] x5 : ffff8000202e70b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 73.620270][ T5094] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 73.621545][ T5094] Call trace: [ 73.622058][ T5094] btrfs_run_delayed_refs+0x3f4/0x46c [ 73.622840][ T5094] btrfs_commit_transaction+0x1b8/0x3044 [ 73.623691][ T5094] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 73.624576][ T5094] btrfs_ioctl+0x5f0/0xb38 [ 73.625196][ T5094] __arm64_sys_ioctl+0x14c/0x1c8 [ 73.625907][ T5094] invoke_syscall+0x98/0x2b8 [ 73.626637][ T5094] el0_svc_common+0x138/0x258 [ 73.627297][ T5094] do_el0_svc+0x58/0x14c [ 73.627939][ T5094] el0_svc+0x78/0x1e0 [ 73.628528][ T5094] el0t_64_sync_handler+0xcc/0xe4 [ 73.629253][ T5094] el0t_64_sync+0x1a0/0x1a4 [ 73.629876][ T5094] irq event stamp: 80060 [ 73.630482][ T5094] hardirqs last enabled at (80059): [] __up_console_sem+0xb4/0x100 [ 73.631893][ T5094] hardirqs last disabled at (80060): [] el1_dbg+0x24/0x80 [ 73.633138][ T5094] softirqs last enabled at (80026): [] handle_softirqs+0xa4c/0xbf0 [ 73.634519][ T5094] softirqs last disabled at (79971): [] __irq_exit_rcu+0x240/0x440 [ 73.635959][ T5094] ---[ end trace 4596da51229b920f ]--- [ 73.638625][ T5094] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 73.640414][ T5094] BTRFS info (device loop0): forced readonly [ 73.711564][ T392] device hsr_slave_0 left promiscuous mode [ 73.741052][ T392] device hsr_slave_1 left promiscuous mode [ 73.829156][ T392] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 73.830431][ T392] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 73.832071][ T392] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 73.833224][ T392] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 73.834611][ T392] device bridge_slave_1 left promiscuous mode [ 73.835613][ T392] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.839680][ T5116] loop0: detected capacity change from 0 to 32768 [ 73.869605][ T392] device bridge_slave_0 left promiscuous mode [ 73.870655][ T392] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.892473][ T5116] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.20 (5116) [ 73.910570][ T5116] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 73.911789][ T5116] BTRFS info (device loop0): enabling auto defrag [ 73.913221][ T5116] BTRFS info (device loop0): enabling ssd optimizations [ 73.914239][ T5116] BTRFS info (device loop0): using spread ssd allocation scheme [ 73.915311][ T5116] BTRFS info (device loop0): max_inline at 0 [ 73.916125][ T5116] BTRFS info (device loop0): force clearing of disk cache [ 73.917117][ T5116] BTRFS info (device loop0): turning on sync discard [ 73.918115][ T5116] BTRFS info (device loop0): disabling free space tree [ 73.919213][ T5116] BTRFS info (device loop0): has skinny extents [ 73.926347][ T5116] BTRFS info (device loop0): clearing free space tree [ 73.927477][ T5116] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 73.928953][ T5116] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 73.935379][ T5116] FAULT_INJECTION: forcing a failure. [ 73.935379][ T5116] name failslab, interval 1, probability 0, space 0, times 0 [ 73.937252][ T5116] CPU: 1 PID: 5116 Comm: syz.0.20 Tainted: G W syzkaller #0 [ 73.938524][ T5116] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 73.940152][ T5116] Call trace: [ 73.940664][ T5116] dump_backtrace+0x0/0x43c [ 73.941386][ T5116] show_stack+0x2c/0x3c [ 73.942102][ T5116] __dump_stack+0x30/0x40 [ 73.942837][ T5116] dump_stack_lvl+0xf8/0x160 [ 73.943566][ T5116] dump_stack+0x1c/0x5c [ 73.944244][ T5116] should_fail+0x3c0/0x51c [ 73.944953][ T5116] __should_failslab+0xbc/0x10c [ 73.945712][ T5116] should_failslab+0x10/0x28 [ 73.946464][ T5116] slab_pre_alloc_hook+0x64/0xec [ 73.947172][ T5116] kmem_cache_alloc+0x94/0x3e4 [ 73.947913][ T5116] btrfs_alloc_path+0x5c/0x68 [ 73.948757][ T5116] __btrfs_free_extent+0x19c/0x1aa4 [ 73.949604][ T5116] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 73.950547][ T5116] btrfs_run_delayed_refs+0x124/0x46c [ 73.951453][ T5116] btrfs_commit_transaction+0x1b8/0x3044 [ 73.952315][ T5116] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 73.953115][ T5116] btrfs_ioctl+0x5f0/0xb38 [ 73.953816][ T5116] __arm64_sys_ioctl+0x14c/0x1c8 [ 73.954521][ T5116] invoke_syscall+0x98/0x2b8 [ 73.955265][ T5116] el0_svc_common+0x138/0x258 [ 73.956000][ T5116] do_el0_svc+0x58/0x14c [ 73.956615][ T5116] el0_svc+0x78/0x1e0 [ 73.957170][ T5116] el0t_64_sync_handler+0xcc/0xe4 [ 73.957990][ T5116] el0t_64_sync+0x1a0/0x1a4 [ 73.960810][ T5116] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 73.962736][ T5116] ------------[ cut here ]------------ [ 73.963601][ T5116] WARNING: CPU: 1 PID: 5116 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 73.965015][ T5116] Modules linked in: [ 73.965604][ T5116] CPU: 1 PID: 5116 Comm: syz.0.20 Tainted: G W syzkaller #0 [ 73.966860][ T5116] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 73.968305][ T5116] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 73.969511][ T5116] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 73.970391][ T5116] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 73.971351][ T5116] sp : ffff8000203477d0 [ 73.972000][ T5116] x29: ffff8000203477e0 x28: ffff0000da650000 x27: dfff800000000000 [ 73.973272][ T5116] x26: ffff0000da650024 x25: ffff0000d5a5c000 x24: 1fffe0001c50f2d1 [ 73.974513][ T5116] x23: 1fffe0001c50f2d1 x22: ffff0000e2879688 x21: 00000000fffffff4 [ 73.975761][ T5116] x20: 0000000000000051 x19: ffff0000e2879630 x18: 0000000000000001 [ 73.977022][ T5116] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 73.978272][ T5116] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 73.979516][ T5116] x11: 0000000000000000 x10: 0000000000000000 x9 : 81e68b0c9707b800 [ 73.980764][ T5116] x8 : 81e68b0c9707b800 x7 : 0000000000000001 x6 : 0000000000000001 [ 73.981956][ T5116] x5 : ffff8000203470b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 73.983133][ T5116] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 73.984367][ T5116] Call trace: [ 73.984875][ T5116] btrfs_run_delayed_refs+0x3f4/0x46c [ 73.985709][ T5116] btrfs_commit_transaction+0x1b8/0x3044 [ 73.986546][ T5116] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 73.987360][ T5116] btrfs_ioctl+0x5f0/0xb38 [ 73.987986][ T5116] __arm64_sys_ioctl+0x14c/0x1c8 [ 73.988778][ T5116] invoke_syscall+0x98/0x2b8 [ 73.989564][ T5116] el0_svc_common+0x138/0x258 [ 73.990381][ T5116] do_el0_svc+0x58/0x14c [ 73.991102][ T5116] el0_svc+0x78/0x1e0 [ 73.991740][ T5116] el0t_64_sync_handler+0xcc/0xe4 [ 73.992495][ T5116] el0t_64_sync+0x1a0/0x1a4 [ 73.993154][ T5116] irq event stamp: 79484 [ 73.993830][ T5116] hardirqs last enabled at (79483): [] __up_console_sem+0xb4/0x100 [ 73.995388][ T5116] hardirqs last disabled at (79484): [] el1_dbg+0x24/0x80 [ 73.996745][ T5116] softirqs last enabled at (79452): [] handle_softirqs+0xa4c/0xbf0 [ 73.998211][ T5116] softirqs last disabled at (79367): [] __irq_exit_rcu+0x240/0x440 [ 73.999696][ T5116] ---[ end trace 4596da51229b9210 ]--- [ 74.000902][ T5116] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 74.002363][ T5116] BTRFS info (device loop0): forced readonly [ 74.039220][ T392] device veth1_macvtap left promiscuous mode [ 74.040182][ T392] device veth0_macvtap left promiscuous mode [ 74.041144][ T392] device veth1_vlan left promiscuous mode [ 74.042078][ T392] device veth0_vlan left promiscuous mode [ 74.148932][ T392] team0 (unregistering): Port device team_slave_1 removed [ 74.153526][ T392] team0 (unregistering): Port device team_slave_0 removed [ 74.157449][ T392] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 74.188725][ T5138] loop0: detected capacity change from 0 to 32768 [ 74.198058][ T392] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 74.223418][ T5138] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.21 (5138) [ 74.227633][ T5138] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 74.228916][ T5138] BTRFS info (device loop0): enabling auto defrag [ 74.230014][ T5138] BTRFS info (device loop0): enabling ssd optimizations [ 74.231016][ T5138] BTRFS info (device loop0): using spread ssd allocation scheme [ 74.232183][ T5138] BTRFS info (device loop0): max_inline at 0 [ 74.233094][ T5138] BTRFS info (device loop0): force clearing of disk cache [ 74.234080][ T5138] BTRFS info (device loop0): turning on sync discard [ 74.235096][ T5138] BTRFS info (device loop0): disabling free space tree [ 74.236306][ T5138] BTRFS info (device loop0): has skinny extents [ 74.254801][ T5138] BTRFS info (device loop0): clearing free space tree [ 74.255969][ T5138] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 74.257489][ T5138] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 74.261336][ T5039] Bluetooth: hci0: command 0x0419 tx timeout [ 74.267897][ T5138] FAULT_INJECTION: forcing a failure. [ 74.267897][ T5138] name failslab, interval 1, probability 0, space 0, times 0 [ 74.270341][ T5138] CPU: 1 PID: 5138 Comm: syz.0.21 Tainted: G W syzkaller #0 [ 74.271548][ T5138] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 74.272904][ T5138] Call trace: [ 74.273368][ T5138] dump_backtrace+0x0/0x43c [ 74.274021][ T5138] show_stack+0x2c/0x3c [ 74.274581][ T5138] __dump_stack+0x30/0x40 [ 74.275228][ T5138] dump_stack_lvl+0xf8/0x160 [ 74.275888][ T5138] dump_stack+0x1c/0x5c [ 74.276477][ T5138] should_fail+0x3c0/0x51c [ 74.277102][ T5138] __should_failslab+0xbc/0x10c [ 74.277788][ T5138] should_failslab+0x10/0x28 [ 74.278453][ T5138] slab_pre_alloc_hook+0x64/0xec [ 74.279200][ T5138] kmem_cache_alloc+0x94/0x3e4 [ 74.279927][ T5138] btrfs_alloc_path+0x5c/0x68 [ 74.280608][ T5138] __btrfs_free_extent+0x19c/0x1aa4 [ 74.281382][ T5138] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 74.282235][ T5138] btrfs_run_delayed_refs+0x124/0x46c [ 74.283067][ T5138] btrfs_commit_transaction+0x1b8/0x3044 [ 74.283953][ T5138] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 74.284758][ T5138] btrfs_ioctl+0x5f0/0xb38 [ 74.285469][ T5138] __arm64_sys_ioctl+0x14c/0x1c8 [ 74.286321][ T5138] invoke_syscall+0x98/0x2b8 [ 74.287058][ T5138] el0_svc_common+0x138/0x258 [ 74.287857][ T5138] do_el0_svc+0x58/0x14c [ 74.288598][ T5138] el0_svc+0x78/0x1e0 [ 74.289229][ T5138] el0t_64_sync_handler+0xcc/0xe4 [ 74.289959][ T5138] el0t_64_sync+0x1a0/0x1a4 [ 74.292351][ T5138] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 74.294353][ T5138] ------------[ cut here ]------------ [ 74.295348][ T5138] WARNING: CPU: 1 PID: 5138 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 74.296960][ T5138] Modules linked in: [ 74.297562][ T5138] CPU: 1 PID: 5138 Comm: syz.0.21 Tainted: G W syzkaller #0 [ 74.298892][ T5138] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 74.300476][ T5138] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 74.301709][ T5138] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 74.302571][ T5138] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 74.303446][ T5138] sp : ffff8000203477d0 [ 74.304071][ T5138] x29: ffff8000203477e0 x28: ffff0000da97d000 x27: dfff800000000000 [ 74.305319][ T5138] x26: ffff0000da97d024 x25: ffff0000da018000 x24: 1fffe0001c50f2fd [ 74.306514][ T5138] x23: 1fffe0001c50f2fd x22: ffff0000e28797e8 x21: 00000000fffffff4 [ 74.307771][ T5138] x20: 0000000000000051 x19: ffff0000e2879790 x18: 0000000000000001 [ 74.309146][ T5138] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 74.310527][ T5138] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 74.311866][ T5138] x11: 0000000000000000 x10: 0000000000000000 x9 : c48b5eda57bfbb00 [ 74.313177][ T5138] x8 : c48b5eda57bfbb00 x7 : 0000000000000001 x6 : 0000000000000001 [ 74.314443][ T5138] x5 : ffff8000203470b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 74.315742][ T5138] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 74.317039][ T5138] Call trace: [ 74.317536][ T5138] btrfs_run_delayed_refs+0x3f4/0x46c [ 74.318350][ T5138] btrfs_commit_transaction+0x1b8/0x3044 [ 74.319196][ T5138] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 74.320058][ T5138] btrfs_ioctl+0x5f0/0xb38 [ 74.320779][ T5138] __arm64_sys_ioctl+0x14c/0x1c8 [ 74.321534][ T5138] invoke_syscall+0x98/0x2b8 [ 74.322223][ T5138] el0_svc_common+0x138/0x258 [ 74.322912][ T5138] do_el0_svc+0x58/0x14c [ 74.323570][ T5138] el0_svc+0x78/0x1e0 [ 74.324155][ T5138] el0t_64_sync_handler+0xcc/0xe4 [ 74.324925][ T5138] el0t_64_sync+0x1a0/0x1a4 [ 74.325635][ T5138] irq event stamp: 79998 [ 74.326225][ T5138] hardirqs last enabled at (79997): [] __up_console_sem+0xb4/0x100 [ 74.327621][ T5138] hardirqs last disabled at (79998): [] el1_dbg+0x24/0x80 [ 74.328998][ T5138] softirqs last enabled at (79966): [] handle_softirqs+0xa4c/0xbf0 [ 74.330551][ T5138] softirqs last disabled at (79951): [] __irq_exit_rcu+0x240/0x440 [ 74.332105][ T5138] ---[ end trace 4596da51229b9211 ]--- [ 74.335201][ T5138] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 74.336637][ T5138] BTRFS info (device loop0): forced readonly [ 74.344619][ T392] bond0 (unregistering): Released all slaves [ 74.525156][ T5160] loop0: detected capacity change from 0 to 32768 [ 74.563566][ T5160] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.22 (5160) [ 74.568557][ T5160] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 74.570334][ T5160] BTRFS info (device loop0): enabling auto defrag [ 74.571320][ T5160] BTRFS info (device loop0): enabling ssd optimizations [ 74.572330][ T5160] BTRFS info (device loop0): using spread ssd allocation scheme [ 74.573503][ T5160] BTRFS info (device loop0): max_inline at 0 [ 74.574466][ T5160] BTRFS info (device loop0): force clearing of disk cache [ 74.575595][ T5160] BTRFS info (device loop0): turning on sync discard [ 74.576620][ T5160] BTRFS info (device loop0): disabling free space tree [ 74.577684][ T5160] BTRFS info (device loop0): has skinny extents [ 74.599849][ T5160] BTRFS info (device loop0): clearing free space tree [ 74.601005][ T5160] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 74.602409][ T5160] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 74.607998][ T5160] FAULT_INJECTION: forcing a failure. [ 74.607998][ T5160] name failslab, interval 1, probability 0, space 0, times 0 [ 74.610713][ T5160] CPU: 1 PID: 5160 Comm: syz.0.22 Tainted: G W syzkaller #0 [ 74.611935][ T5160] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 74.613506][ T5160] Call trace: [ 74.614015][ T5160] dump_backtrace+0x0/0x43c [ 74.614708][ T5160] show_stack+0x2c/0x3c [ 74.615343][ T5160] __dump_stack+0x30/0x40 [ 74.616024][ T5160] dump_stack_lvl+0xf8/0x160 [ 74.616727][ T5160] dump_stack+0x1c/0x5c [ 74.617353][ T5160] should_fail+0x3c0/0x51c [ 74.618058][ T5160] __should_failslab+0xbc/0x10c [ 74.618820][ T5160] should_failslab+0x10/0x28 [ 74.619601][ T5160] slab_pre_alloc_hook+0x64/0xec [ 74.620349][ T5160] kmem_cache_alloc+0x94/0x3e4 [ 74.621095][ T5160] btrfs_alloc_path+0x5c/0x68 [ 74.621826][ T5160] __btrfs_free_extent+0x19c/0x1aa4 [ 74.622632][ T5160] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 74.623569][ T5160] btrfs_run_delayed_refs+0x124/0x46c [ 74.624443][ T5160] btrfs_commit_transaction+0x1b8/0x3044 [ 74.625312][ T5160] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 74.626154][ T5160] btrfs_ioctl+0x5f0/0xb38 [ 74.626811][ T5160] __arm64_sys_ioctl+0x14c/0x1c8 [ 74.627563][ T5160] invoke_syscall+0x98/0x2b8 [ 74.628273][ T5160] el0_svc_common+0x138/0x258 [ 74.628924][ T5160] do_el0_svc+0x58/0x14c [ 74.629517][ T5160] el0_svc+0x78/0x1e0 [ 74.630086][ T5160] el0t_64_sync_handler+0xcc/0xe4 [ 74.630798][ T5160] el0t_64_sync+0x1a0/0x1a4 [ 74.633360][ T5160] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 74.635451][ T5160] ------------[ cut here ]------------ [ 74.636358][ T5160] WARNING: CPU: 1 PID: 5160 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 74.637789][ T5160] Modules linked in: [ 74.638325][ T5160] CPU: 1 PID: 5160 Comm: syz.0.22 Tainted: G W syzkaller #0 [ 74.639666][ T5160] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 74.641239][ T5160] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 74.642555][ T5160] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 74.643408][ T5160] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 74.644293][ T5160] sp : ffff8000206077d0 [ 74.644938][ T5160] x29: ffff8000206077e0 x28: ffff0000cb4fe000 x27: dfff800000000000 [ 74.646204][ T5160] x26: ffff0000cb4fe024 x25: ffff0000d5c08000 x24: 1fffe0001c50f33f [ 74.647484][ T5160] x23: 1fffe0001c50f33f x22: ffff0000e28799f8 x21: 00000000fffffff4 [ 74.648603][ T5160] x20: 0000000000000051 x19: ffff0000e28799a0 x18: 0000000000000001 [ 74.649761][ T5160] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 74.650871][ T5160] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 74.652076][ T5160] x11: 0000000000000000 x10: 0000000000000000 x9 : f190b507f9879200 [ 74.653191][ T5160] x8 : f190b507f9879200 x7 : 0000000000000001 x6 : 0000000000000001 [ 74.654383][ T5160] x5 : ffff8000206070b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 74.655653][ T5160] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 74.656830][ T5160] Call trace: [ 74.657265][ T5160] btrfs_run_delayed_refs+0x3f4/0x46c [ 74.658001][ T5160] btrfs_commit_transaction+0x1b8/0x3044 [ 74.658810][ T5160] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 74.659629][ T5160] btrfs_ioctl+0x5f0/0xb38 [ 74.660244][ T5160] __arm64_sys_ioctl+0x14c/0x1c8 [ 74.660988][ T5160] invoke_syscall+0x98/0x2b8 [ 74.661607][ T5160] el0_svc_common+0x138/0x258 [ 74.662262][ T5160] do_el0_svc+0x58/0x14c [ 74.662863][ T5160] el0_svc+0x78/0x1e0 [ 74.663423][ T5160] el0t_64_sync_handler+0xcc/0xe4 [ 74.664139][ T5160] el0t_64_sync+0x1a0/0x1a4 [ 74.664821][ T5160] irq event stamp: 79776 [ 74.665460][ T5160] hardirqs last enabled at (79775): [] __up_console_sem+0xb4/0x100 [ 74.666891][ T5160] hardirqs last disabled at (79776): [] el1_dbg+0x24/0x80 [ 74.668189][ T5160] softirqs last enabled at (79744): [] handle_softirqs+0xa4c/0xbf0 [ 74.669496][ T5160] softirqs last disabled at (79705): [] __irq_exit_rcu+0x240/0x440 [ 74.670868][ T5160] ---[ end trace 4596da51229b9212 ]--- [ 74.673705][ T5160] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 74.675164][ T5160] BTRFS info (device loop0): forced readonly [ 74.848344][ T5183] loop0: detected capacity change from 0 to 32768 [ 74.893197][ T5183] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.23 (5183) [ 74.897243][ T5183] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 74.898572][ T5183] BTRFS info (device loop0): enabling auto defrag [ 74.902142][ T5183] BTRFS info (device loop0): enabling ssd optimizations [ 74.903128][ T5183] BTRFS info (device loop0): using spread ssd allocation scheme [ 74.904318][ T5183] BTRFS info (device loop0): max_inline at 0 [ 74.905201][ T5183] BTRFS info (device loop0): force clearing of disk cache [ 74.906261][ T5183] BTRFS info (device loop0): turning on sync discard [ 74.907309][ T5183] BTRFS info (device loop0): disabling free space tree [ 74.908339][ T5183] BTRFS info (device loop0): has skinny extents [ 74.917371][ T5183] BTRFS info (device loop0): clearing free space tree [ 74.918423][ T5183] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 74.923915][ T5183] FAULT_INJECTION: forcing a failure. [ 74.923915][ T5183] name failslab, interval 1, probability 0, space 0, times 0 [ 74.925913][ T5183] CPU: 0 PID: 5183 Comm: syz.0.23 Tainted: G W syzkaller #0 [ 74.927307][ T5183] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 74.928957][ T5183] Call trace: [ 74.929492][ T5183] dump_backtrace+0x0/0x43c [ 74.930178][ T5183] show_stack+0x2c/0x3c [ 74.930801][ T5183] __dump_stack+0x30/0x40 [ 74.931442][ T5183] dump_stack_lvl+0xf8/0x160 [ 74.932128][ T5183] dump_stack+0x1c/0x5c [ 74.932780][ T5183] should_fail+0x3c0/0x51c [ 74.933455][ T5183] __should_failslab+0xbc/0x10c [ 74.934231][ T5183] should_failslab+0x10/0x28 [ 74.934927][ T5183] slab_pre_alloc_hook+0x64/0xec [ 74.935670][ T5183] kmem_cache_alloc+0x94/0x3e4 [ 74.936413][ T5183] btrfs_alloc_path+0x5c/0x68 [ 74.937208][ T5183] __btrfs_run_delayed_refs+0xd70/0x3354 [ 74.938071][ T5183] btrfs_run_delayed_refs+0x124/0x46c [ 74.938916][ T5183] btrfs_commit_transaction+0x1b8/0x3044 [ 74.939795][ T5183] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 74.940697][ T5183] btrfs_ioctl+0x5f0/0xb38 [ 74.941320][ T5183] __arm64_sys_ioctl+0x14c/0x1c8 [ 74.942007][ T5183] invoke_syscall+0x98/0x2b8 [ 74.942749][ T5183] el0_svc_common+0x138/0x258 [ 74.943382][ T5183] do_el0_svc+0x58/0x14c [ 74.943998][ T5183] el0_svc+0x78/0x1e0 [ 74.944637][ T5183] el0t_64_sync_handler+0xcc/0xe4 [ 74.945423][ T5183] el0t_64_sync+0x1a0/0x1a4 [ 74.947835][ T5183] BTRFS error (device loop0): failed to run delayed ref for logical 5251072 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 74.949859][ T5183] ------------[ cut here ]------------ [ 74.950798][ T5183] WARNING: CPU: 0 PID: 5183 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 74.952252][ T5183] Modules linked in: [ 74.952864][ T5183] CPU: 0 PID: 5183 Comm: syz.0.23 Tainted: G W syzkaller #0 [ 74.954185][ T5183] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 74.955821][ T5183] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 74.957066][ T5183] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 74.957978][ T5183] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 74.958925][ T5183] sp : ffff8000202e77d0 [ 74.959608][ T5183] x29: ffff8000202e77e0 x28: ffff0000d2c77000 x27: dfff800000000000 [ 74.960875][ T5183] x26: ffff0000d2c77024 x25: ffff0000ce194000 x24: 1fffe0001bd766e7 [ 74.962207][ T5183] x23: 1fffe0001bd766e7 x22: ffff0000debb3738 x21: 00000000fffffff4 [ 74.963381][ T5183] x20: 0000000000000051 x19: ffff0000debb36e0 x18: 0000000000000001 [ 74.964496][ T5183] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 74.965692][ T5183] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 74.966881][ T5183] x11: 0000000000000000 x10: 0000000000000000 x9 : d7593fc84eae5100 [ 74.968057][ T5183] x8 : d7593fc84eae5100 x7 : 0000000000000001 x6 : 0000000000000001 [ 74.969228][ T5183] x5 : ffff8000202e70b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 74.970407][ T5183] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 74.971681][ T5183] Call trace: [ 74.972214][ T5183] btrfs_run_delayed_refs+0x3f4/0x46c [ 74.973100][ T5183] btrfs_commit_transaction+0x1b8/0x3044 [ 74.974071][ T5183] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 74.974934][ T5183] btrfs_ioctl+0x5f0/0xb38 [ 74.975633][ T5183] __arm64_sys_ioctl+0x14c/0x1c8 [ 74.976445][ T5183] invoke_syscall+0x98/0x2b8 [ 74.977217][ T5183] el0_svc_common+0x138/0x258 [ 74.977895][ T5183] do_el0_svc+0x58/0x14c [ 74.978571][ T5183] el0_svc+0x78/0x1e0 [ 74.979208][ T5183] el0t_64_sync_handler+0xcc/0xe4 [ 74.980008][ T5183] el0t_64_sync+0x1a0/0x1a4 [ 74.980735][ T5183] irq event stamp: 79828 [ 74.981392][ T5183] hardirqs last enabled at (79827): [] __up_console_sem+0xb4/0x100 [ 74.982824][ T5183] hardirqs last disabled at (79828): [] el1_dbg+0x24/0x80 [ 74.984169][ T5183] softirqs last enabled at (79804): [] handle_softirqs+0xa4c/0xbf0 [ 74.985712][ T5183] softirqs last disabled at (79793): [] __irq_exit_rcu+0x240/0x440 [ 74.987116][ T5183] ---[ end trace 4596da51229b9213 ]--- [ 74.990350][ T5183] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 75.163474][ T5205] loop0: detected capacity change from 0 to 32768 [ 75.205996][ T5205] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.24 (5205) [ 75.226559][ T5205] FAULT_INJECTION: forcing a failure. [ 75.226559][ T5205] name failslab, interval 1, probability 0, space 0, times 0 [ 75.228693][ T5205] CPU: 1 PID: 5205 Comm: syz.0.24 Tainted: G W syzkaller #0 [ 75.229987][ T5205] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 75.231482][ T5205] Call trace: [ 75.231980][ T5205] dump_backtrace+0x0/0x43c [ 75.232603][ T5205] show_stack+0x2c/0x3c [ 75.233250][ T5205] __dump_stack+0x30/0x40 [ 75.234001][ T5205] dump_stack_lvl+0xf8/0x160 [ 75.234701][ T5205] dump_stack+0x1c/0x5c [ 75.235405][ T5205] should_fail+0x3c0/0x51c [ 75.236119][ T5205] __should_failslab+0xbc/0x10c [ 75.236926][ T5205] should_failslab+0x10/0x28 [ 75.237703][ T5205] slab_pre_alloc_hook+0x64/0xec [ 75.238479][ T5205] kmem_cache_alloc+0x94/0x3e4 [ 75.239176][ T5205] start_transaction+0x4d0/0x13f0 [ 75.239992][ T5205] btrfs_start_transaction+0x34/0x44 [ 75.240905][ T5205] btrfs_ioctl_set_fslabel+0x28c/0x384 [ 75.241826][ T5205] btrfs_ioctl+0x5f0/0xb38 [ 75.242549][ T5205] __arm64_sys_ioctl+0x14c/0x1c8 [ 75.243321][ T5205] invoke_syscall+0x98/0x2b8 [ 75.244106][ T5205] el0_svc_common+0x138/0x258 [ 75.244851][ T5205] do_el0_svc+0x58/0x14c [ 75.245522][ T5205] el0_svc+0x78/0x1e0 [ 75.246150][ T5205] el0t_64_sync_handler+0xcc/0xe4 [ 75.246972][ T5205] el0t_64_sync+0x1a0/0x1a4 [ 75.398371][ T5227] loop0: detected capacity change from 0 to 32768 [ 75.440917][ T5227] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.25 (5227) [ 75.512495][ T5227] FAULT_INJECTION: forcing a failure. [ 75.512495][ T5227] name failslab, interval 1, probability 0, space 0, times 0 [ 75.514645][ T5227] CPU: 0 PID: 5227 Comm: syz.0.25 Tainted: G W syzkaller #0 [ 75.515975][ T5227] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 75.517469][ T5227] Call trace: [ 75.517981][ T5227] dump_backtrace+0x0/0x43c [ 75.518611][ T5227] show_stack+0x2c/0x3c [ 75.519273][ T5227] __dump_stack+0x30/0x40 [ 75.519901][ T5227] dump_stack_lvl+0xf8/0x160 [ 75.520631][ T5227] dump_stack+0x1c/0x5c [ 75.521334][ T5227] should_fail+0x3c0/0x51c [ 75.522028][ T5227] __should_failslab+0xbc/0x10c [ 75.522788][ T5227] should_failslab+0x10/0x28 [ 75.523506][ T5227] slab_pre_alloc_hook+0x64/0xec [ 75.524273][ T5227] kmem_cache_alloc+0x94/0x3e4 [ 75.525059][ T5227] btrfs_alloc_path+0x5c/0x68 [ 75.525784][ T5227] __btrfs_run_delayed_refs+0xd70/0x3354 [ 75.526702][ T5227] btrfs_run_delayed_refs+0x124/0x46c [ 75.527603][ T5227] btrfs_commit_transaction+0x1b8/0x3044 [ 75.528516][ T5227] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 75.529417][ T5227] btrfs_ioctl+0x5f0/0xb38 [ 75.530121][ T5227] __arm64_sys_ioctl+0x14c/0x1c8 [ 75.530987][ T5227] invoke_syscall+0x98/0x2b8 [ 75.531733][ T5227] el0_svc_common+0x138/0x258 [ 75.532452][ T5227] do_el0_svc+0x58/0x14c [ 75.533129][ T5227] el0_svc+0x78/0x1e0 [ 75.533793][ T5227] el0t_64_sync_handler+0xcc/0xe4 [ 75.534609][ T5227] el0t_64_sync+0x1a0/0x1a4 [ 75.536859][ T5227] BTRFS error (device loop0): failed to run delayed ref for logical 5246976 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 75.538879][ T5227] ------------[ cut here ]------------ [ 75.540130][ T5227] WARNING: CPU: 0 PID: 5227 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 75.541745][ T5227] Modules linked in: [ 75.542376][ T5227] CPU: 0 PID: 5227 Comm: syz.0.25 Tainted: G W syzkaller #0 [ 75.543683][ T5227] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 75.545087][ T5227] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 75.546218][ T5227] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 75.547082][ T5227] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 75.547918][ T5227] sp : ffff800020a377d0 [ 75.548500][ T5227] x29: ffff800020a377e0 x28: ffff0000d9799000 x27: dfff800000000000 [ 75.549773][ T5227] x26: ffff0000d9799024 x25: ffff0000dbfac000 x24: 1fffe0001bd76713 [ 75.550970][ T5227] x23: 1fffe0001bd76713 x22: ffff0000debb3898 x21: 00000000fffffff4 [ 75.552207][ T5227] x20: 0000000000000051 x19: ffff0000debb3840 x18: 0000000000000001 [ 75.553493][ T5227] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 75.554799][ T5227] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 75.556104][ T5227] x11: 0000000000000000 x10: 0000000000000000 x9 : 15b64c191950d900 [ 75.557354][ T5227] x8 : 15b64c191950d900 x7 : 0000000000000001 x6 : 0000000000000001 [ 75.558548][ T5227] x5 : ffff800020a370b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 75.559763][ T5227] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 75.561018][ T5227] Call trace: [ 75.561542][ T5227] btrfs_run_delayed_refs+0x3f4/0x46c [ 75.562414][ T5227] btrfs_commit_transaction+0x1b8/0x3044 [ 75.563293][ T5227] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 75.564204][ T5227] btrfs_ioctl+0x5f0/0xb38 [ 75.564923][ T5227] __arm64_sys_ioctl+0x14c/0x1c8 [ 75.565692][ T5227] invoke_syscall+0x98/0x2b8 [ 75.566363][ T5227] el0_svc_common+0x138/0x258 [ 75.567116][ T5227] do_el0_svc+0x58/0x14c [ 75.567733][ T5227] el0_svc+0x78/0x1e0 [ 75.568328][ T5227] el0t_64_sync_handler+0xcc/0xe4 [ 75.569097][ T5227] el0t_64_sync+0x1a0/0x1a4 [ 75.569812][ T5227] irq event stamp: 79422 [ 75.570465][ T5227] hardirqs last enabled at (79421): [] __up_console_sem+0xb4/0x100 [ 75.571924][ T5227] hardirqs last disabled at (79422): [] el1_dbg+0x24/0x80 [ 75.573281][ T5227] softirqs last enabled at (79410): [] handle_softirqs+0xa4c/0xbf0 [ 75.574796][ T5227] softirqs last disabled at (79401): [] __irq_exit_rcu+0x240/0x440 [ 75.576361][ T5227] ---[ end trace 4596da51229b9214 ]--- [ 75.579324][ T5227] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 75.750540][ T5249] loop0: detected capacity change from 0 to 32768 [ 75.761306][ T5249] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.26 (5249) [ 75.834409][ T5249] FAULT_INJECTION: forcing a failure. [ 75.834409][ T5249] name failslab, interval 1, probability 0, space 0, times 0 [ 75.836437][ T5249] CPU: 1 PID: 5249 Comm: syz.0.26 Tainted: G W syzkaller #0 [ 75.837676][ T5249] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 75.839205][ T5249] Call trace: [ 75.839744][ T5249] dump_backtrace+0x0/0x43c [ 75.840419][ T5249] show_stack+0x2c/0x3c [ 75.841006][ T5249] __dump_stack+0x30/0x40 [ 75.841649][ T5249] dump_stack_lvl+0xf8/0x160 [ 75.842358][ T5249] dump_stack+0x1c/0x5c [ 75.842994][ T5249] should_fail+0x3c0/0x51c [ 75.843673][ T5249] __should_failslab+0xbc/0x10c [ 75.844422][ T5249] should_failslab+0x10/0x28 [ 75.845110][ T5249] slab_pre_alloc_hook+0x64/0xec [ 75.845842][ T5249] kmem_cache_alloc+0x94/0x3e4 [ 75.846548][ T5249] btrfs_alloc_path+0x5c/0x68 [ 75.847292][ T5249] __btrfs_run_delayed_refs+0xd70/0x3354 [ 75.848164][ T5249] btrfs_run_delayed_refs+0x124/0x46c [ 75.849037][ T5249] btrfs_commit_transaction+0x1b8/0x3044 [ 75.849934][ T5249] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 75.850879][ T5249] btrfs_ioctl+0x5f0/0xb38 [ 75.851527][ T5249] __arm64_sys_ioctl+0x14c/0x1c8 [ 75.852367][ T5249] invoke_syscall+0x98/0x2b8 [ 75.853113][ T5249] el0_svc_common+0x138/0x258 [ 75.853934][ T5249] do_el0_svc+0x58/0x14c [ 75.854594][ T5249] el0_svc+0x78/0x1e0 [ 75.855227][ T5249] el0t_64_sync_handler+0xcc/0xe4 [ 75.855993][ T5249] el0t_64_sync+0x1a0/0x1a4 [ 75.889551][ T5249] BTRFS error (device loop0): failed to run delayed ref for logical 5246976 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 75.891617][ T5249] ------------[ cut here ]------------ [ 75.892598][ T5249] WARNING: CPU: 0 PID: 5249 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 75.894091][ T5249] Modules linked in: [ 75.894681][ T5249] CPU: 0 PID: 5249 Comm: syz.0.26 Tainted: G W syzkaller #0 [ 75.895989][ T5249] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 75.897569][ T5249] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 75.898825][ T5249] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 75.899709][ T5249] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 75.900619][ T5249] sp : ffff800020b377d0 [ 75.901260][ T5249] x29: ffff800020b377e0 x28: ffff0000d640d000 x27: dfff800000000000 [ 75.902529][ T5249] x26: ffff0000d640d024 x25: ffff0000e85b0000 x24: 1fffe0001c50f3d9 [ 75.903852][ T5249] x23: 1fffe0001c50f3d9 x22: ffff0000e2879ec8 x21: 00000000fffffff4 [ 75.905155][ T5249] x20: 0000000000000051 x19: ffff0000e2879e70 x18: 0000000000000001 [ 75.906398][ T5249] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 75.907659][ T5249] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 75.909040][ T5249] x11: 0000000000000000 x10: 0000000000000000 x9 : 940900273d25cc00 [ 75.910418][ T5249] x8 : 940900273d25cc00 x7 : 0000000000000001 x6 : 0000000000000001 [ 75.911624][ T5249] x5 : ffff800020b370b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 75.912938][ T5249] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 75.914284][ T5249] Call trace: [ 75.914839][ T5249] btrfs_run_delayed_refs+0x3f4/0x46c [ 75.915747][ T5249] btrfs_commit_transaction+0x1b8/0x3044 [ 75.916645][ T5249] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 75.917449][ T5249] btrfs_ioctl+0x5f0/0xb38 [ 75.918152][ T5249] __arm64_sys_ioctl+0x14c/0x1c8 [ 75.918955][ T5249] invoke_syscall+0x98/0x2b8 [ 75.919655][ T5249] el0_svc_common+0x138/0x258 [ 75.920434][ T5249] do_el0_svc+0x58/0x14c [ 75.921102][ T5249] el0_svc+0x78/0x1e0 [ 75.921758][ T5249] el0t_64_sync_handler+0xcc/0xe4 [ 75.922533][ T5249] el0t_64_sync+0x1a0/0x1a4 [ 75.923246][ T5249] irq event stamp: 79682 [ 75.923870][ T5249] hardirqs last enabled at (79681): [] __up_console_sem+0xb4/0x100 [ 75.925423][ T5249] hardirqs last disabled at (79682): [] el1_dbg+0x24/0x80 [ 75.926749][ T5249] softirqs last enabled at (79648): [] handle_softirqs+0xa4c/0xbf0 [ 75.928168][ T5249] softirqs last disabled at (79637): [] __irq_exit_rcu+0x240/0x440 [ 75.929481][ T5249] ---[ end trace 4596da51229b9215 ]--- [ 75.934602][ T5249] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 76.118765][ T5271] loop0: detected capacity change from 0 to 32768 [ 76.214961][ T5271] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.27 (5271) [ 76.232814][ T5271] FAULT_INJECTION: forcing a failure. [ 76.232814][ T5271] name failslab, interval 1, probability 0, space 0, times 0 [ 76.234789][ T5271] CPU: 0 PID: 5271 Comm: syz.0.27 Tainted: G W syzkaller #0 [ 76.236096][ T5271] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 76.237736][ T5271] Call trace: [ 76.238186][ T5271] dump_backtrace+0x0/0x43c [ 76.238882][ T5271] show_stack+0x2c/0x3c [ 76.239528][ T5271] __dump_stack+0x30/0x40 [ 76.240234][ T5271] dump_stack_lvl+0xf8/0x160 [ 76.241027][ T5271] dump_stack+0x1c/0x5c [ 76.241732][ T5271] should_fail+0x3c0/0x51c [ 76.242469][ T5271] __should_failslab+0xbc/0x10c [ 76.243218][ T5271] should_failslab+0x10/0x28 [ 76.243906][ T5271] slab_pre_alloc_hook+0x64/0xec [ 76.244652][ T5271] kmem_cache_alloc+0x94/0x3e4 [ 76.245435][ T5271] btrfs_alloc_path+0x5c/0x68 [ 76.246142][ T5271] __btrfs_run_delayed_refs+0xd70/0x3354 [ 76.247037][ T5271] btrfs_run_delayed_refs+0x124/0x46c [ 76.247910][ T5271] btrfs_commit_transaction+0x1b8/0x3044 [ 76.248758][ T5271] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 76.249574][ T5271] btrfs_ioctl+0x5f0/0xb38 [ 76.250299][ T5271] __arm64_sys_ioctl+0x14c/0x1c8 [ 76.251082][ T5271] invoke_syscall+0x98/0x2b8 [ 76.251783][ T5271] el0_svc_common+0x138/0x258 [ 76.252480][ T5271] do_el0_svc+0x58/0x14c [ 76.253088][ T5271] el0_svc+0x78/0x1e0 [ 76.253662][ T5271] el0t_64_sync_handler+0xcc/0xe4 [ 76.254420][ T5271] el0t_64_sync+0x1a0/0x1a4 [ 76.256982][ T5271] BTRFS error (device loop0): failed to run delayed ref for logical 5246976 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 76.258816][ T5271] ------------[ cut here ]------------ [ 76.260050][ T5271] WARNING: CPU: 0 PID: 5271 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 76.261653][ T5271] Modules linked in: [ 76.262263][ T5271] CPU: 0 PID: 5271 Comm: syz.0.27 Tainted: G W syzkaller #0 [ 76.263590][ T5271] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 76.265254][ T5271] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 76.266480][ T5271] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 76.267373][ T5271] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 76.268305][ T5271] sp : ffff800020b377d0 [ 76.268883][ T5271] x29: ffff800020b377e0 x28: ffff0000d979d000 x27: dfff800000000000 [ 76.270133][ T5271] x26: ffff0000d979d024 x25: ffff0000cf96c000 x24: 1fffe0001bd76755 [ 76.271462][ T5271] x23: 1fffe0001bd76755 x22: ffff0000debb3aa8 x21: 00000000fffffff4 [ 76.272863][ T5271] x20: 0000000000000051 x19: ffff0000debb3a50 x18: 0000000000000001 [ 76.274197][ T5271] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 76.275517][ T5271] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 76.276819][ T5271] x11: 0000000000000000 x10: 0000000000000000 x9 : 9a47b81904515300 [ 76.278096][ T5271] x8 : 9a47b81904515300 x7 : 0000000000000001 x6 : 0000000000000001 [ 76.279266][ T5271] x5 : ffff800020b370b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 76.280440][ T5271] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 76.281624][ T5271] Call trace: [ 76.282161][ T5271] btrfs_run_delayed_refs+0x3f4/0x46c [ 76.283012][ T5271] btrfs_commit_transaction+0x1b8/0x3044 [ 76.283841][ T5271] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 76.284630][ T5271] btrfs_ioctl+0x5f0/0xb38 [ 76.285297][ T5271] __arm64_sys_ioctl+0x14c/0x1c8 [ 76.285999][ T5271] invoke_syscall+0x98/0x2b8 [ 76.286696][ T5271] el0_svc_common+0x138/0x258 [ 76.287436][ T5271] do_el0_svc+0x58/0x14c [ 76.288085][ T5271] el0_svc+0x78/0x1e0 [ 76.288732][ T5271] el0t_64_sync_handler+0xcc/0xe4 [ 76.289518][ T5271] el0t_64_sync+0x1a0/0x1a4 [ 76.290243][ T5271] irq event stamp: 79810 [ 76.290903][ T5271] hardirqs last enabled at (79809): [] __up_console_sem+0xb4/0x100 [ 76.292393][ T5271] hardirqs last disabled at (79810): [] el1_dbg+0x24/0x80 [ 76.293745][ T5271] softirqs last enabled at (79798): [] handle_softirqs+0xa4c/0xbf0 [ 76.295156][ T5271] softirqs last disabled at (79789): [] __irq_exit_rcu+0x240/0x440 [ 76.296589][ T5271] ---[ end trace 4596da51229b9216 ]--- [ 76.300034][ T5271] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 76.434147][ T5293] loop0: detected capacity change from 0 to 32768 [ 76.441279][ T5293] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.28 (5293) [ 76.454961][ T5293] FAULT_INJECTION: forcing a failure. [ 76.454961][ T5293] name failslab, interval 1, probability 0, space 0, times 0 [ 76.456956][ T5293] CPU: 1 PID: 5293 Comm: syz.0.28 Tainted: G W syzkaller #0 [ 76.458313][ T5293] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 76.459902][ T5293] Call trace: [ 76.460448][ T5293] dump_backtrace+0x0/0x43c [ 76.461222][ T5293] show_stack+0x2c/0x3c [ 76.461862][ T5293] __dump_stack+0x30/0x40 [ 76.462560][ T5293] dump_stack_lvl+0xf8/0x160 [ 76.463289][ T5293] dump_stack+0x1c/0x5c [ 76.463985][ T5293] should_fail+0x3c0/0x51c [ 76.464695][ T5293] __should_failslab+0xbc/0x10c [ 76.465455][ T5293] should_failslab+0x10/0x28 [ 76.466249][ T5293] slab_pre_alloc_hook+0x64/0xec [ 76.467063][ T5293] kmem_cache_alloc+0x94/0x3e4 [ 76.467769][ T5293] btrfs_alloc_path+0x5c/0x68 [ 76.468515][ T5293] __btrfs_free_extent+0x19c/0x1aa4 [ 76.469361][ T5293] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 76.470327][ T5293] btrfs_run_delayed_refs+0x124/0x46c [ 76.471224][ T5293] btrfs_commit_transaction+0x1b8/0x3044 [ 76.472080][ T5293] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 76.472891][ T5293] btrfs_ioctl+0x5f0/0xb38 [ 76.473574][ T5293] __arm64_sys_ioctl+0x14c/0x1c8 [ 76.474414][ T5293] invoke_syscall+0x98/0x2b8 [ 76.475216][ T5293] el0_svc_common+0x138/0x258 [ 76.475950][ T5293] do_el0_svc+0x58/0x14c [ 76.476619][ T5293] el0_svc+0x78/0x1e0 [ 76.477220][ T5293] el0t_64_sync_handler+0xcc/0xe4 [ 76.478048][ T5293] el0t_64_sync+0x1a0/0x1a4 [ 76.479142][ T5293] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 76.481027][ T5293] ------------[ cut here ]------------ [ 76.481976][ T5293] WARNING: CPU: 1 PID: 5293 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 76.483625][ T5293] Modules linked in: [ 76.484241][ T5293] CPU: 1 PID: 5293 Comm: syz.0.28 Tainted: G W syzkaller #0 [ 76.485473][ T5293] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 76.486897][ T5293] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 76.487965][ T5293] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 76.488759][ T5293] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 76.489598][ T5293] sp : ffff800020c677d0 [ 76.490192][ T5293] x29: ffff800020c677e0 x28: ffff0000d5945000 x27: dfff800000000000 [ 76.491506][ T5293] x26: ffff0000d5945024 x25: ffff0000e8800000 x24: 1fffe0001c50f3ef [ 76.492768][ T5293] x23: 1fffe0001c50f3ef x22: ffff0000e2879f78 x21: 00000000fffffff4 [ 76.493990][ T5293] x20: 0000000000000051 x19: ffff0000e2879f20 x18: 0000000000000001 [ 76.495150][ T5293] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 76.496499][ T5293] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 76.497924][ T5293] x11: 0000000000000000 x10: 0000000000000000 x9 : b5baeb28becdaa00 [ 76.499279][ T5293] x8 : b5baeb28becdaa00 x7 : 0000000000000001 x6 : 0000000000000001 [ 76.500455][ T5293] x5 : ffff800020c670b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 76.501652][ T5293] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 76.503021][ T5293] Call trace: [ 76.503528][ T5293] btrfs_run_delayed_refs+0x3f4/0x46c [ 76.504362][ T5293] btrfs_commit_transaction+0x1b8/0x3044 [ 76.505238][ T5293] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 76.506089][ T5293] btrfs_ioctl+0x5f0/0xb38 [ 76.506738][ T5293] __arm64_sys_ioctl+0x14c/0x1c8 [ 76.507545][ T5293] invoke_syscall+0x98/0x2b8 [ 76.508310][ T5293] el0_svc_common+0x138/0x258 [ 76.508999][ T5293] do_el0_svc+0x58/0x14c [ 76.509658][ T5293] el0_svc+0x78/0x1e0 [ 76.510254][ T5293] el0t_64_sync_handler+0xcc/0xe4 [ 76.511054][ T5293] el0t_64_sync+0x1a0/0x1a4 [ 76.511746][ T5293] irq event stamp: 79346 [ 76.512374][ T5293] hardirqs last enabled at (79345): [] __up_console_sem+0xb4/0x100 [ 76.513721][ T5293] hardirqs last disabled at (79346): [] el1_dbg+0x24/0x80 [ 76.514937][ T5293] softirqs last enabled at (79314): [] handle_softirqs+0xa4c/0xbf0 [ 76.516341][ T5293] softirqs last disabled at (79267): [] __irq_exit_rcu+0x240/0x440 [ 76.517816][ T5293] ---[ end trace 4596da51229b9217 ]--- [ 76.519391][ T5293] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 76.652206][ T5315] loop0: detected capacity change from 0 to 32768 [ 76.690173][ T5315] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.29 (5315) [ 76.760500][ T5315] FAULT_INJECTION: forcing a failure. [ 76.760500][ T5315] name failslab, interval 1, probability 0, space 0, times 0 [ 76.762473][ T5315] CPU: 0 PID: 5315 Comm: syz.0.29 Tainted: G W syzkaller #0 [ 76.763806][ T5315] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 76.765338][ T5315] Call trace: [ 76.765848][ T5315] dump_backtrace+0x0/0x43c [ 76.766554][ T5315] show_stack+0x2c/0x3c [ 76.767189][ T5315] __dump_stack+0x30/0x40 [ 76.767892][ T5315] dump_stack_lvl+0xf8/0x160 [ 76.768594][ T5315] dump_stack+0x1c/0x5c [ 76.769211][ T5315] should_fail+0x3c0/0x51c [ 76.769890][ T5315] __should_failslab+0xbc/0x10c [ 76.770704][ T5315] should_failslab+0x10/0x28 [ 76.771442][ T5315] slab_pre_alloc_hook+0x64/0xec [ 76.772223][ T5315] kmem_cache_alloc+0x94/0x3e4 [ 76.772935][ T5315] btrfs_alloc_path+0x5c/0x68 [ 76.773733][ T5315] __btrfs_run_delayed_refs+0xd70/0x3354 [ 76.774697][ T5315] btrfs_run_delayed_refs+0x124/0x46c [ 76.775541][ T5315] btrfs_commit_transaction+0x1b8/0x3044 [ 76.776345][ T5315] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 76.777221][ T5315] btrfs_ioctl+0x5f0/0xb38 [ 76.777887][ T5315] __arm64_sys_ioctl+0x14c/0x1c8 [ 76.778626][ T5315] invoke_syscall+0x98/0x2b8 [ 76.779416][ T5315] el0_svc_common+0x138/0x258 [ 76.780171][ T5315] do_el0_svc+0x58/0x14c [ 76.780834][ T5315] el0_svc+0x78/0x1e0 [ 76.781468][ T5315] el0t_64_sync_handler+0xcc/0xe4 [ 76.782263][ T5315] el0t_64_sync+0x1a0/0x1a4 [ 76.784222][ T5315] BTRFS error (device loop0): failed to run delayed ref for logical 5246976 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 76.786327][ T5315] ------------[ cut here ]------------ [ 76.787233][ T5315] WARNING: CPU: 0 PID: 5315 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 76.788746][ T5315] Modules linked in: [ 76.789322][ T5315] CPU: 0 PID: 5315 Comm: syz.0.29 Tainted: G W syzkaller #0 [ 76.790606][ T5315] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 76.792153][ T5315] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 76.793313][ T5315] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 76.794188][ T5315] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 76.795066][ T5315] sp : ffff800020b477d0 [ 76.795715][ T5315] x29: ffff800020b477e0 x28: ffff0000d9798000 x27: dfff800000000000 [ 76.796968][ T5315] x26: ffff0000d9798024 x25: ffff0000d9c5c000 x24: 1fffe0001bd7676b [ 76.798294][ T5315] x23: 1fffe0001bd7676b x22: ffff0000debb3b58 x21: 00000000fffffff4 [ 76.799588][ T5315] x20: 0000000000000051 x19: ffff0000debb3b00 x18: 0000000000000001 [ 76.800931][ T5315] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 76.802270][ T5315] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 76.803618][ T5315] x11: 0000000000000000 x10: 0000000000000000 x9 : fe6a93e113d2cf00 [ 76.804957][ T5315] x8 : fe6a93e113d2cf00 x7 : 0000000000000001 x6 : 0000000000000001 [ 76.806326][ T5315] x5 : ffff800020b470b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 76.807699][ T5315] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 76.808993][ T5315] Call trace: [ 76.809507][ T5315] btrfs_run_delayed_refs+0x3f4/0x46c [ 76.810338][ T5315] btrfs_commit_transaction+0x1b8/0x3044 [ 76.811243][ T5315] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 76.812108][ T5315] btrfs_ioctl+0x5f0/0xb38 [ 76.812843][ T5315] __arm64_sys_ioctl+0x14c/0x1c8 [ 76.813667][ T5315] invoke_syscall+0x98/0x2b8 [ 76.814419][ T5315] el0_svc_common+0x138/0x258 [ 76.815210][ T5315] do_el0_svc+0x58/0x14c [ 76.815941][ T5315] el0_svc+0x78/0x1e0 [ 76.816646][ T5315] el0t_64_sync_handler+0xcc/0xe4 [ 76.817466][ T5315] el0t_64_sync+0x1a0/0x1a4 [ 76.818174][ T5315] irq event stamp: 79524 [ 76.818798][ T5315] hardirqs last enabled at (79523): [] __up_console_sem+0xb4/0x100 [ 76.820176][ T5315] hardirqs last disabled at (79524): [] el1_dbg+0x24/0x80 [ 76.821535][ T5315] softirqs last enabled at (79490): [] handle_softirqs+0xa4c/0xbf0 [ 76.822980][ T5315] softirqs last disabled at (79473): [] __irq_exit_rcu+0x240/0x440 [ 76.824512][ T5315] ---[ end trace 4596da51229b9218 ]--- [ 76.826986][ T5315] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 76.971265][ T5337] loop0: detected capacity change from 0 to 32768 [ 76.975526][ T5337] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.30 (5337) [ 77.000695][ T5337] FAULT_INJECTION: forcing a failure. [ 77.000695][ T5337] name failslab, interval 1, probability 0, space 0, times 0 [ 77.002787][ T5337] CPU: 1 PID: 5337 Comm: syz.0.30 Tainted: G W syzkaller #0 [ 77.004123][ T5337] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 77.005749][ T5337] Call trace: [ 77.006243][ T5337] dump_backtrace+0x0/0x43c [ 77.006960][ T5337] show_stack+0x2c/0x3c [ 77.007557][ T5337] __dump_stack+0x30/0x40 [ 77.008260][ T5337] dump_stack_lvl+0xf8/0x160 [ 77.008995][ T5337] dump_stack+0x1c/0x5c [ 77.009645][ T5337] should_fail+0x3c0/0x51c [ 77.010331][ T5337] __should_failslab+0xbc/0x10c [ 77.011095][ T5337] should_failslab+0x10/0x28 [ 77.011790][ T5337] slab_pre_alloc_hook+0x64/0xec [ 77.012527][ T5337] kmem_cache_alloc+0x94/0x3e4 [ 77.013303][ T5337] btrfs_alloc_path+0x5c/0x68 [ 77.014063][ T5337] __btrfs_free_extent+0x19c/0x1aa4 [ 77.014868][ T5337] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 77.015747][ T5337] btrfs_run_delayed_refs+0x124/0x46c [ 77.016594][ T5337] btrfs_commit_transaction+0x1b8/0x3044 [ 77.017496][ T5337] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 77.018349][ T5337] btrfs_ioctl+0x5f0/0xb38 [ 77.019039][ T5337] __arm64_sys_ioctl+0x14c/0x1c8 [ 77.019866][ T5337] invoke_syscall+0x98/0x2b8 [ 77.020596][ T5337] el0_svc_common+0x138/0x258 [ 77.021351][ T5337] do_el0_svc+0x58/0x14c [ 77.022019][ T5337] el0_svc+0x78/0x1e0 [ 77.022678][ T5337] el0t_64_sync_handler+0xcc/0xe4 [ 77.023466][ T5337] el0t_64_sync+0x1a0/0x1a4 [ 77.024623][ T5337] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 77.026593][ T5337] ------------[ cut here ]------------ [ 77.027634][ T5337] WARNING: CPU: 1 PID: 5337 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 77.028977][ T5337] Modules linked in: [ 77.029562][ T5337] CPU: 1 PID: 5337 Comm: syz.0.30 Tainted: G W syzkaller #0 [ 77.030874][ T5337] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 77.032439][ T5337] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 77.033686][ T5337] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 77.034601][ T5337] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 77.035520][ T5337] sp : ffff800020fc77d0 [ 77.036181][ T5337] x29: ffff800020fc77e0 x28: ffff0000d5941000 x27: dfff800000000000 [ 77.037382][ T5337] x26: ffff0000d5941024 x25: ffff0000e8198000 x24: 1fffe0001c50f263 [ 77.038520][ T5337] x23: 1fffe0001c50f263 x22: ffff0000e2879318 x21: 00000000fffffff4 [ 77.039656][ T5337] x20: 0000000000000051 x19: ffff0000e28792c0 x18: 0000000000000001 [ 77.040955][ T5337] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 77.042211][ T5337] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 77.043524][ T5337] x11: 0000000000000000 x10: 0000000000000000 x9 : 1b4fdd11cc89c000 [ 77.044730][ T5337] x8 : 1b4fdd11cc89c000 x7 : 0000000000000001 x6 : 0000000000000001 [ 77.045871][ T5337] x5 : ffff800020fc70b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 77.047160][ T5337] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 77.048454][ T5337] Call trace: [ 77.048993][ T5337] btrfs_run_delayed_refs+0x3f4/0x46c [ 77.049824][ T5337] btrfs_commit_transaction+0x1b8/0x3044 [ 77.050694][ T5337] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 77.051586][ T5337] btrfs_ioctl+0x5f0/0xb38 [ 77.052308][ T5337] __arm64_sys_ioctl+0x14c/0x1c8 [ 77.053050][ T5337] invoke_syscall+0x98/0x2b8 [ 77.053777][ T5337] el0_svc_common+0x138/0x258 [ 77.054525][ T5337] do_el0_svc+0x58/0x14c [ 77.055204][ T5337] el0_svc+0x78/0x1e0 [ 77.055829][ T5337] el0t_64_sync_handler+0xcc/0xe4 [ 77.056573][ T5337] el0t_64_sync+0x1a0/0x1a4 [ 77.057308][ T5337] irq event stamp: 79434 [ 77.057999][ T5337] hardirqs last enabled at (79433): [] __up_console_sem+0xb4/0x100 [ 77.059454][ T5337] hardirqs last disabled at (79434): [] el1_dbg+0x24/0x80 [ 77.060777][ T5337] softirqs last enabled at (79402): [] handle_softirqs+0xa4c/0xbf0 [ 77.062215][ T5337] softirqs last disabled at (79333): [] __irq_exit_rcu+0x240/0x440 [ 77.063733][ T5337] ---[ end trace 4596da51229b9219 ]--- [ 77.066924][ T5337] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 77.203070][ T5359] loop0: detected capacity change from 0 to 32768 [ 77.211165][ T5359] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.31 (5359) [ 77.234085][ T5359] FAULT_INJECTION: forcing a failure. [ 77.234085][ T5359] name failslab, interval 1, probability 0, space 0, times 0 [ 77.236011][ T5359] CPU: 0 PID: 5359 Comm: syz.0.31 Tainted: G W syzkaller #0 [ 77.237256][ T5359] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 77.238715][ T5359] Call trace: [ 77.239159][ T5359] dump_backtrace+0x0/0x43c [ 77.239820][ T5359] show_stack+0x2c/0x3c [ 77.240386][ T5359] __dump_stack+0x30/0x40 [ 77.241038][ T5359] dump_stack_lvl+0xf8/0x160 [ 77.241697][ T5359] dump_stack+0x1c/0x5c [ 77.242308][ T5359] should_fail+0x3c0/0x51c [ 77.242949][ T5359] __should_failslab+0xbc/0x10c [ 77.243684][ T5359] should_failslab+0x10/0x28 [ 77.244381][ T5359] slab_pre_alloc_hook+0x64/0xec [ 77.245174][ T5359] kmem_cache_alloc+0x94/0x3e4 [ 77.245937][ T5359] btrfs_alloc_path+0x5c/0x68 [ 77.246743][ T5359] __btrfs_run_delayed_refs+0xd70/0x3354 [ 77.247633][ T5359] btrfs_run_delayed_refs+0x124/0x46c [ 77.248490][ T5359] btrfs_commit_transaction+0x1b8/0x3044 [ 77.249389][ T5359] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 77.250212][ T5359] btrfs_ioctl+0x5f0/0xb38 [ 77.250949][ T5359] __arm64_sys_ioctl+0x14c/0x1c8 [ 77.251792][ T5359] invoke_syscall+0x98/0x2b8 [ 77.252517][ T5359] el0_svc_common+0x138/0x258 [ 77.253237][ T5359] do_el0_svc+0x58/0x14c [ 77.253940][ T5359] el0_svc+0x78/0x1e0 [ 77.254532][ T5359] el0t_64_sync_handler+0xcc/0xe4 [ 77.255331][ T5359] el0t_64_sync+0x1a0/0x1a4 [ 77.257816][ T5359] BTRFS error (device loop0): failed to run delayed ref for logical 5246976 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 77.262830][ T5359] ------------[ cut here ]------------ [ 77.263776][ T5359] WARNING: CPU: 0 PID: 5359 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 77.265255][ T5359] Modules linked in: [ 77.265819][ T5359] CPU: 0 PID: 5359 Comm: syz.0.31 Tainted: G W syzkaller #0 [ 77.267182][ T5359] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 77.268766][ T5359] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 77.269911][ T5359] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 77.270810][ T5359] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 77.271692][ T5359] sp : ffff800020fc77d0 [ 77.272358][ T5359] x29: ffff800020fc77e0 x28: ffff0000d2977000 x27: dfff800000000000 [ 77.273657][ T5359] x26: ffff0000d2977024 x25: ffff0000d08ac000 x24: 1fffe0001bd76663 [ 77.274868][ T5359] x23: 1fffe0001bd76663 x22: ffff0000debb3318 x21: 00000000fffffff4 [ 77.276153][ T5359] x20: 0000000000000051 x19: ffff0000debb32c0 x18: 0000000000000001 [ 77.277345][ T5359] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 77.278470][ T5359] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 77.279728][ T5359] x11: 0000000000000000 x10: 0000000000000000 x9 : 0fb3115e438b6400 [ 77.280959][ T5359] x8 : 0fb3115e438b6400 x7 : 0000000000000001 x6 : 0000000000000001 [ 77.282224][ T5359] x5 : ffff800020fc70b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 77.283520][ T5359] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 77.284848][ T5359] Call trace: [ 77.285396][ T5359] btrfs_run_delayed_refs+0x3f4/0x46c [ 77.286266][ T5359] btrfs_commit_transaction+0x1b8/0x3044 [ 77.287147][ T5359] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 77.288005][ T5359] btrfs_ioctl+0x5f0/0xb38 [ 77.288648][ T5359] __arm64_sys_ioctl+0x14c/0x1c8 [ 77.289357][ T5359] invoke_syscall+0x98/0x2b8 [ 77.290052][ T5359] el0_svc_common+0x138/0x258 [ 77.290787][ T5359] do_el0_svc+0x58/0x14c [ 77.291376][ T5359] el0_svc+0x78/0x1e0 [ 77.291931][ T5359] el0t_64_sync_handler+0xcc/0xe4 [ 77.292664][ T5359] el0t_64_sync+0x1a0/0x1a4 [ 77.293293][ T5359] irq event stamp: 79970 [ 77.293929][ T5359] hardirqs last enabled at (79969): [] __up_console_sem+0xb4/0x100 [ 77.295373][ T5359] hardirqs last disabled at (79970): [] el1_dbg+0x24/0x80 [ 77.296709][ T5359] softirqs last enabled at (79946): [] handle_softirqs+0xa4c/0xbf0 [ 77.298211][ T5359] softirqs last disabled at (79911): [] __irq_exit_rcu+0x240/0x440 [ 77.299733][ T5359] ---[ end trace 4596da51229b921a ]--- [ 77.302738][ T5359] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 77.477663][ T5381] loop0: detected capacity change from 0 to 32768 [ 77.559953][ T5381] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.32 (5381) [ 77.634642][ T5381] btrfs_printk: 114 callbacks suppressed [ 77.634652][ T5381] BTRFS info (device loop0): clearing free space tree [ 77.636633][ T5381] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 77.638286][ T5381] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 77.645361][ T5381] FAULT_INJECTION: forcing a failure. [ 77.645361][ T5381] name failslab, interval 1, probability 0, space 0, times 0 [ 77.647225][ T5381] CPU: 1 PID: 5381 Comm: syz.0.32 Tainted: G W syzkaller #0 [ 77.648550][ T5381] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 77.650082][ T5381] Call trace: [ 77.650582][ T5381] dump_backtrace+0x0/0x43c [ 77.651295][ T5381] show_stack+0x2c/0x3c [ 77.651991][ T5381] __dump_stack+0x30/0x40 [ 77.652714][ T5381] dump_stack_lvl+0xf8/0x160 [ 77.653487][ T5381] dump_stack+0x1c/0x5c [ 77.654133][ T5381] should_fail+0x3c0/0x51c [ 77.654855][ T5381] __should_failslab+0xbc/0x10c [ 77.655667][ T5381] should_failslab+0x10/0x28 [ 77.656483][ T5381] slab_pre_alloc_hook+0x64/0xec [ 77.657254][ T5381] kmem_cache_alloc+0x94/0x3e4 [ 77.658054][ T5381] btrfs_alloc_path+0x5c/0x68 [ 77.658857][ T5381] __btrfs_free_extent+0x19c/0x1aa4 [ 77.659712][ T5381] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 77.660676][ T5381] btrfs_run_delayed_refs+0x124/0x46c [ 77.661547][ T5381] btrfs_commit_transaction+0x1b8/0x3044 [ 77.662469][ T5381] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 77.663431][ T5381] btrfs_ioctl+0x5f0/0xb38 [ 77.664111][ T5381] __arm64_sys_ioctl+0x14c/0x1c8 [ 77.664882][ T5381] invoke_syscall+0x98/0x2b8 [ 77.665585][ T5381] el0_svc_common+0x138/0x258 [ 77.666255][ T5381] do_el0_svc+0x58/0x14c [ 77.666908][ T5381] el0_svc+0x78/0x1e0 [ 77.667543][ T5381] el0t_64_sync_handler+0xcc/0xe4 [ 77.668336][ T5381] el0t_64_sync+0x1a0/0x1a4 [ 77.671007][ T5381] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 77.673072][ T5381] ------------[ cut here ]------------ [ 77.674014][ T5381] WARNING: CPU: 0 PID: 5381 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 77.675426][ T5381] Modules linked in: [ 77.676014][ T5381] CPU: 0 PID: 5381 Comm: syz.0.32 Tainted: G W syzkaller #0 [ 77.677365][ T5381] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 77.678967][ T5381] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 77.680166][ T5381] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 77.681019][ T5381] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 77.681916][ T5381] sp : ffff8000211f77d0 [ 77.682572][ T5381] x29: ffff8000211f77e0 x28: ffff0000ca4bc000 x27: dfff800000000000 [ 77.683930][ T5381] x26: ffff0000ca4bc024 x25: ffff0000d0e84000 x24: 1fffe0001c50f2a5 [ 77.685278][ T5381] x23: 1fffe0001c50f2a5 x22: ffff0000e2879528 x21: 00000000fffffff4 [ 77.686524][ T5381] x20: 0000000000000051 x19: ffff0000e28794d0 x18: 0000000000000001 [ 77.687839][ T5381] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 77.689056][ T5381] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 77.690308][ T5381] x11: 0000000000000000 x10: 0000000000000000 x9 : 0b89af87530a8100 [ 77.691481][ T5381] x8 : 0b89af87530a8100 x7 : 0000000000000001 x6 : 0000000000000001 [ 77.692737][ T5381] x5 : ffff8000211f70b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 77.693956][ T5381] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 77.695162][ T5381] Call trace: [ 77.695685][ T5381] btrfs_run_delayed_refs+0x3f4/0x46c [ 77.696556][ T5381] btrfs_commit_transaction+0x1b8/0x3044 [ 77.697413][ T5381] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 77.698220][ T5381] btrfs_ioctl+0x5f0/0xb38 [ 77.698930][ T5381] __arm64_sys_ioctl+0x14c/0x1c8 [ 77.699733][ T5381] invoke_syscall+0x98/0x2b8 [ 77.700394][ T5381] el0_svc_common+0x138/0x258 [ 77.701164][ T5381] do_el0_svc+0x58/0x14c [ 77.701850][ T5381] el0_svc+0x78/0x1e0 [ 77.702459][ T5381] el0t_64_sync_handler+0xcc/0xe4 [ 77.703283][ T5381] el0t_64_sync+0x1a0/0x1a4 [ 77.704049][ T5381] irq event stamp: 79284 [ 77.704708][ T5381] hardirqs last enabled at (79283): [] __up_console_sem+0xb4/0x100 [ 77.706256][ T5381] hardirqs last disabled at (79284): [] el1_dbg+0x24/0x80 [ 77.707605][ T5381] softirqs last enabled at (79252): [] handle_softirqs+0xa4c/0xbf0 [ 77.709133][ T5381] softirqs last disabled at (79217): [] __irq_exit_rcu+0x240/0x440 [ 77.710714][ T5381] ---[ end trace 4596da51229b921b ]--- [ 77.714031][ T5381] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 77.715425][ T5381] BTRFS info (device loop0): forced readonly 1970/01/01 00:01:17 executed programs: 19 [ 77.902219][ T5403] loop0: detected capacity change from 0 to 32768 [ 77.906845][ T5403] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.33 (5403) [ 77.911569][ T5403] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 77.912736][ T5403] BTRFS info (device loop0): enabling auto defrag [ 77.913621][ T5403] BTRFS info (device loop0): enabling ssd optimizations [ 77.914577][ T5403] BTRFS info (device loop0): using spread ssd allocation scheme [ 77.915777][ T5403] BTRFS info (device loop0): max_inline at 0 [ 77.916737][ T5403] BTRFS info (device loop0): force clearing of disk cache [ 77.917813][ T5403] BTRFS info (device loop0): turning on sync discard [ 77.918830][ T5403] BTRFS info (device loop0): disabling free space tree [ 77.920373][ T5403] BTRFS info (device loop0): has skinny extents [ 77.928070][ T5403] BTRFS info (device loop0): clearing free space tree [ 77.929171][ T5403] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 77.930637][ T5403] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 77.935696][ T5403] FAULT_INJECTION: forcing a failure. [ 77.935696][ T5403] name failslab, interval 1, probability 0, space 0, times 0 [ 77.937669][ T5403] CPU: 0 PID: 5403 Comm: syz.0.33 Tainted: G W syzkaller #0 [ 77.939027][ T5403] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 77.940533][ T5403] Call trace: [ 77.940989][ T5403] dump_backtrace+0x0/0x43c [ 77.941679][ T5403] show_stack+0x2c/0x3c [ 77.942343][ T5403] __dump_stack+0x30/0x40 [ 77.942951][ T5403] dump_stack_lvl+0xf8/0x160 [ 77.943672][ T5403] dump_stack+0x1c/0x5c [ 77.944299][ T5403] should_fail+0x3c0/0x51c [ 77.944943][ T5403] __should_failslab+0xbc/0x10c [ 77.945630][ T5403] should_failslab+0x10/0x28 [ 77.946326][ T5403] slab_pre_alloc_hook+0x64/0xec [ 77.947074][ T5403] kmem_cache_alloc+0x94/0x3e4 [ 77.947774][ T5403] btrfs_alloc_path+0x5c/0x68 [ 77.948472][ T5403] __btrfs_run_delayed_refs+0xd70/0x3354 [ 77.949311][ T5403] btrfs_run_delayed_refs+0x124/0x46c [ 77.950070][ T5403] btrfs_commit_transaction+0x1b8/0x3044 [ 77.950940][ T5403] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 77.951810][ T5403] btrfs_ioctl+0x5f0/0xb38 [ 77.952497][ T5403] __arm64_sys_ioctl+0x14c/0x1c8 [ 77.953263][ T5403] invoke_syscall+0x98/0x2b8 [ 77.953950][ T5403] el0_svc_common+0x138/0x258 [ 77.954661][ T5403] do_el0_svc+0x58/0x14c [ 77.955251][ T5403] el0_svc+0x78/0x1e0 [ 77.955824][ T5403] el0t_64_sync_handler+0xcc/0xe4 [ 77.956577][ T5403] el0t_64_sync+0x1a0/0x1a4 [ 77.960805][ T5403] BTRFS error (device loop0): failed to run delayed ref for logical 5251072 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 77.962722][ T5403] ------------[ cut here ]------------ [ 77.963724][ T5403] WARNING: CPU: 0 PID: 5403 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 77.965285][ T5403] Modules linked in: [ 77.965926][ T5403] CPU: 0 PID: 5403 Comm: syz.0.33 Tainted: G W syzkaller #0 [ 77.967258][ T5403] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 77.968815][ T5403] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 77.970069][ T5403] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 77.970932][ T5403] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 77.971801][ T5403] sp : ffff800020fd77d0 [ 77.972432][ T5403] x29: ffff800020fd77e0 x28: ffff0000dbdc7000 x27: dfff800000000000 [ 77.973653][ T5403] x26: ffff0000dbdc7024 x25: ffff0000e79c8000 x24: 1fffe0001bd76797 [ 77.974953][ T5403] x23: 1fffe0001bd76797 x22: ffff0000debb3cb8 x21: 00000000fffffff4 [ 77.976185][ T5403] x20: 0000000000000051 x19: ffff0000debb3c60 x18: 0000000000000001 [ 77.977435][ T5403] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 77.978677][ T5403] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 77.979922][ T5403] x11: 0000000000000000 x10: 0000000000000000 x9 : af07935b73eeda00 [ 77.981121][ T5403] x8 : af07935b73eeda00 x7 : 0000000000000001 x6 : 0000000000000001 [ 77.982409][ T5403] x5 : ffff800020fd70b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 77.983699][ T5403] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 77.984987][ T5403] Call trace: [ 77.985500][ T5403] btrfs_run_delayed_refs+0x3f4/0x46c [ 77.986361][ T5403] btrfs_commit_transaction+0x1b8/0x3044 [ 77.987204][ T5403] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 77.988067][ T5403] btrfs_ioctl+0x5f0/0xb38 [ 77.988796][ T5403] __arm64_sys_ioctl+0x14c/0x1c8 [ 77.989622][ T5403] invoke_syscall+0x98/0x2b8 [ 77.990346][ T5403] el0_svc_common+0x138/0x258 [ 77.991072][ T5403] do_el0_svc+0x58/0x14c [ 77.991758][ T5403] el0_svc+0x78/0x1e0 [ 77.992410][ T5403] el0t_64_sync_handler+0xcc/0xe4 [ 77.993191][ T5403] el0t_64_sync+0x1a0/0x1a4 [ 77.993953][ T5403] irq event stamp: 79356 [ 77.994677][ T5403] hardirqs last enabled at (79355): [] __up_console_sem+0xb4/0x100 [ 77.996283][ T5403] hardirqs last disabled at (79356): [] el1_dbg+0x24/0x80 [ 77.997741][ T5403] softirqs last enabled at (79322): [] handle_softirqs+0xa4c/0xbf0 [ 77.999260][ T5403] softirqs last disabled at (79143): [] __irq_exit_rcu+0x240/0x440 [ 78.000712][ T5403] ---[ end trace 4596da51229b921c ]--- [ 78.002500][ T5403] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 78.003934][ T5403] BTRFS info (device loop0): forced readonly [ 78.176238][ T5424] loop0: detected capacity change from 0 to 32768 [ 78.212401][ T5424] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.34 (5424) [ 78.215846][ T5424] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 78.217153][ T5424] BTRFS info (device loop0): enabling auto defrag [ 78.218190][ T5424] BTRFS info (device loop0): enabling ssd optimizations [ 78.219424][ T5424] BTRFS info (device loop0): using spread ssd allocation scheme [ 78.220662][ T5424] BTRFS info (device loop0): max_inline at 0 [ 78.221642][ T5424] BTRFS info (device loop0): force clearing of disk cache [ 78.222787][ T5424] BTRFS info (device loop0): turning on sync discard [ 78.223856][ T5424] BTRFS info (device loop0): disabling free space tree [ 78.227193][ T5424] BTRFS info (device loop0): has skinny extents [ 78.235569][ T5424] BTRFS info (device loop0): clearing free space tree [ 78.236730][ T5424] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 78.238238][ T5424] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 78.243265][ T5424] FAULT_INJECTION: forcing a failure. [ 78.243265][ T5424] name failslab, interval 1, probability 0, space 0, times 0 [ 78.245322][ T5424] CPU: 1 PID: 5424 Comm: syz.0.34 Tainted: G W syzkaller #0 [ 78.246584][ T5424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 78.248035][ T5424] Call trace: [ 78.248487][ T5424] dump_backtrace+0x0/0x43c [ 78.249205][ T5424] show_stack+0x2c/0x3c [ 78.249855][ T5424] __dump_stack+0x30/0x40 [ 78.250529][ T5424] dump_stack_lvl+0xf8/0x160 [ 78.251257][ T5424] dump_stack+0x1c/0x5c [ 78.251979][ T5424] should_fail+0x3c0/0x51c [ 78.252648][ T5424] __should_failslab+0xbc/0x10c [ 78.253371][ T5424] should_failslab+0x10/0x28 [ 78.254013][ T5424] slab_pre_alloc_hook+0x64/0xec [ 78.254750][ T5424] kmem_cache_alloc+0x94/0x3e4 [ 78.255495][ T5424] start_transaction+0x4d0/0x13f0 [ 78.256233][ T5424] btrfs_start_transaction+0x34/0x44 [ 78.257071][ T5424] btrfs_ioctl_set_fslabel+0x28c/0x384 [ 78.257917][ T5424] btrfs_ioctl+0x5f0/0xb38 [ 78.258550][ T5424] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.259360][ T5424] invoke_syscall+0x98/0x2b8 [ 78.260059][ T5424] el0_svc_common+0x138/0x258 [ 78.260727][ T5424] do_el0_svc+0x58/0x14c [ 78.261355][ T5424] el0_svc+0x78/0x1e0 [ 78.261925][ T5424] el0t_64_sync_handler+0xcc/0xe4 [ 78.262641][ T5424] el0t_64_sync+0x1a0/0x1a4 [ 78.410254][ T5446] loop0: detected capacity change from 0 to 32768 [ 78.413378][ T5446] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.35 (5446) [ 78.416504][ T5446] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 78.417886][ T5446] BTRFS info (device loop0): enabling auto defrag [ 78.418984][ T5446] BTRFS info (device loop0): enabling ssd optimizations [ 78.421483][ T5446] BTRFS info (device loop0): using spread ssd allocation scheme [ 78.422658][ T5446] BTRFS info (device loop0): max_inline at 0 [ 78.423687][ T5446] BTRFS info (device loop0): force clearing of disk cache [ 78.424924][ T5446] BTRFS info (device loop0): turning on sync discard [ 78.426032][ T5446] BTRFS info (device loop0): disabling free space tree [ 78.427231][ T5446] BTRFS info (device loop0): has skinny extents [ 78.444420][ T5446] BTRFS info (device loop0): clearing free space tree [ 78.445531][ T5446] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 78.447147][ T5446] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 78.456173][ T5446] FAULT_INJECTION: forcing a failure. [ 78.456173][ T5446] name failslab, interval 1, probability 0, space 0, times 0 [ 78.458622][ T5446] CPU: 0 PID: 5446 Comm: syz.0.35 Tainted: G W syzkaller #0 [ 78.459935][ T5446] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 78.461437][ T5446] Call trace: [ 78.461981][ T5446] dump_backtrace+0x0/0x43c [ 78.462708][ T5446] show_stack+0x2c/0x3c [ 78.463365][ T5446] __dump_stack+0x30/0x40 [ 78.464027][ T5446] dump_stack_lvl+0xf8/0x160 [ 78.464737][ T5446] dump_stack+0x1c/0x5c [ 78.465327][ T5446] should_fail+0x3c0/0x51c [ 78.466040][ T5446] __should_failslab+0xbc/0x10c [ 78.466814][ T5446] should_failslab+0x10/0x28 [ 78.467545][ T5446] slab_pre_alloc_hook+0x64/0xec [ 78.468341][ T5446] kmem_cache_alloc+0x94/0x3e4 [ 78.469092][ T5446] btrfs_alloc_path+0x5c/0x68 [ 78.469848][ T5446] __btrfs_free_extent+0x19c/0x1aa4 [ 78.470570][ T5446] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 78.471458][ T5446] btrfs_run_delayed_refs+0x124/0x46c [ 78.472380][ T5446] btrfs_commit_transaction+0x1b8/0x3044 [ 78.473285][ T5446] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 78.474112][ T5446] btrfs_ioctl+0x5f0/0xb38 [ 78.474776][ T5446] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.475542][ T5446] invoke_syscall+0x98/0x2b8 [ 78.476262][ T5446] el0_svc_common+0x138/0x258 [ 78.476995][ T5446] do_el0_svc+0x58/0x14c [ 78.477603][ T5446] el0_svc+0x78/0x1e0 [ 78.478195][ T5446] el0t_64_sync_handler+0xcc/0xe4 [ 78.478980][ T5446] el0t_64_sync+0x1a0/0x1a4 [ 78.481778][ T5446] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 78.483770][ T5446] ------------[ cut here ]------------ [ 78.484707][ T5446] WARNING: CPU: 0 PID: 5446 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 78.486223][ T5446] Modules linked in: [ 78.486845][ T5446] CPU: 0 PID: 5446 Comm: syz.0.35 Tainted: G W syzkaller #0 [ 78.488158][ T5446] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 78.489677][ T5446] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 78.490979][ T5446] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 78.491942][ T5446] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 78.492899][ T5446] sp : ffff8000218977d0 [ 78.493604][ T5446] x29: ffff8000218977e0 x28: ffff0000d1b73000 x27: dfff800000000000 [ 78.494904][ T5446] x26: ffff0000d1b73024 x25: ffff0000ce17c000 x24: 1fffe0001bd767d9 [ 78.496224][ T5446] x23: 1fffe0001bd767d9 x22: ffff0000debb3ec8 x21: 00000000fffffff4 [ 78.497491][ T5446] x20: 0000000000000051 x19: ffff0000debb3e70 x18: 0000000000000001 [ 78.498772][ T5446] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 78.500120][ T5446] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 78.501432][ T5446] x11: 0000000000000000 x10: 0000000000000000 x9 : 7a62e7790ef50f00 [ 78.502765][ T5446] x8 : 7a62e7790ef50f00 x7 : 0000000000000001 x6 : 0000000000000001 [ 78.504036][ T5446] x5 : ffff8000218970b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 78.505402][ T5446] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 78.506765][ T5446] Call trace: [ 78.507271][ T5446] btrfs_run_delayed_refs+0x3f4/0x46c [ 78.508118][ T5446] btrfs_commit_transaction+0x1b8/0x3044 [ 78.508944][ T5446] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 78.509869][ T5446] btrfs_ioctl+0x5f0/0xb38 [ 78.510570][ T5446] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.511316][ T5446] invoke_syscall+0x98/0x2b8 [ 78.511957][ T5446] el0_svc_common+0x138/0x258 [ 78.512699][ T5446] do_el0_svc+0x58/0x14c [ 78.513339][ T5446] el0_svc+0x78/0x1e0 [ 78.513913][ T5446] el0t_64_sync_handler+0xcc/0xe4 [ 78.514609][ T5446] el0t_64_sync+0x1a0/0x1a4 [ 78.515227][ T5446] irq event stamp: 80132 [ 78.515860][ T5446] hardirqs last enabled at (80131): [] __up_console_sem+0xb4/0x100 [ 78.517197][ T5446] hardirqs last disabled at (80132): [] el1_dbg+0x24/0x80 [ 78.518421][ T5446] softirqs last enabled at (80100): [] handle_softirqs+0xa4c/0xbf0 [ 78.519887][ T5446] softirqs last disabled at (80075): [] __irq_exit_rcu+0x240/0x440 [ 78.521320][ T5446] ---[ end trace 4596da51229b921d ]--- [ 78.524994][ T5446] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 78.526500][ T5446] BTRFS info (device loop0): forced readonly [ 78.719190][ T5468] loop0: detected capacity change from 0 to 32768 [ 78.751500][ T5468] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.36 (5468) [ 78.755201][ T5468] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 78.756582][ T5468] BTRFS info (device loop0): enabling auto defrag [ 78.757602][ T5468] BTRFS info (device loop0): enabling ssd optimizations [ 78.759502][ T5468] BTRFS info (device loop0): using spread ssd allocation scheme [ 78.760835][ T5468] BTRFS info (device loop0): max_inline at 0 [ 78.761731][ T5468] BTRFS info (device loop0): force clearing of disk cache [ 78.762907][ T5468] BTRFS info (device loop0): turning on sync discard [ 78.764041][ T5468] BTRFS info (device loop0): disabling free space tree [ 78.765178][ T5468] BTRFS info (device loop0): has skinny extents [ 78.777373][ T5468] BTRFS info (device loop0): clearing free space tree [ 78.778485][ T5468] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 78.780022][ T5468] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 78.785146][ T5468] FAULT_INJECTION: forcing a failure. [ 78.785146][ T5468] name failslab, interval 1, probability 0, space 0, times 0 [ 78.787093][ T5468] CPU: 1 PID: 5468 Comm: syz.0.36 Tainted: G W syzkaller #0 [ 78.788383][ T5468] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 78.790058][ T5468] Call trace: [ 78.790594][ T5468] dump_backtrace+0x0/0x43c [ 78.791345][ T5468] show_stack+0x2c/0x3c [ 78.792066][ T5468] __dump_stack+0x30/0x40 [ 78.792776][ T5468] dump_stack_lvl+0xf8/0x160 [ 78.793486][ T5468] dump_stack+0x1c/0x5c [ 78.794133][ T5468] should_fail+0x3c0/0x51c [ 78.794836][ T5468] __should_failslab+0xbc/0x10c [ 78.795647][ T5468] should_failslab+0x10/0x28 [ 78.796343][ T5468] slab_pre_alloc_hook+0x64/0xec [ 78.797043][ T5468] kmem_cache_alloc+0x94/0x3e4 [ 78.797772][ T5468] btrfs_alloc_path+0x5c/0x68 [ 78.798451][ T5468] __btrfs_run_delayed_refs+0xd70/0x3354 [ 78.799324][ T5468] btrfs_run_delayed_refs+0x124/0x46c [ 78.800130][ T5468] btrfs_commit_transaction+0x1b8/0x3044 [ 78.800964][ T5468] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 78.801850][ T5468] btrfs_ioctl+0x5f0/0xb38 [ 78.802533][ T5468] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.803264][ T5468] invoke_syscall+0x98/0x2b8 [ 78.803914][ T5468] el0_svc_common+0x138/0x258 [ 78.804557][ T5468] do_el0_svc+0x58/0x14c [ 78.805250][ T5468] el0_svc+0x78/0x1e0 [ 78.805818][ T5468] el0t_64_sync_handler+0xcc/0xe4 [ 78.806552][ T5468] el0t_64_sync+0x1a0/0x1a4 [ 78.808340][ T5468] BTRFS error (device loop0): failed to run delayed ref for logical 5251072 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 78.810437][ T5468] ------------[ cut here ]------------ [ 78.811391][ T5468] WARNING: CPU: 1 PID: 5468 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 78.812853][ T5468] Modules linked in: [ 78.813421][ T5468] CPU: 1 PID: 5468 Comm: syz.0.36 Tainted: G W syzkaller #0 [ 78.814617][ T5468] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 78.816021][ T5468] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 78.817111][ T5468] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 78.817912][ T5468] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 78.818777][ T5468] sp : ffff8000219f77d0 [ 78.819459][ T5468] x29: ffff8000219f77e0 x28: ffff0000d1968000 x27: dfff800000000000 [ 78.820742][ T5468] x26: ffff0000d1968024 x25: ffff0000c20bc000 x24: 1fffe0001c50f397 [ 78.822106][ T5468] x23: 1fffe0001c50f397 x22: ffff0000e2879cb8 x21: 00000000fffffff4 [ 78.823418][ T5468] x20: 0000000000000051 x19: ffff0000e2879c60 x18: 0000000000000001 [ 78.824777][ T5468] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 78.826149][ T5468] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 78.827389][ T5468] x11: 0000000000000000 x10: 0000000000000000 x9 : 12f9ef4e7c0dfd00 [ 78.828655][ T5468] x8 : 12f9ef4e7c0dfd00 x7 : 0000000000000001 x6 : 0000000000000001 [ 78.829900][ T5468] x5 : ffff8000219f70b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 78.831207][ T5468] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 78.832549][ T5468] Call trace: [ 78.833113][ T5468] btrfs_run_delayed_refs+0x3f4/0x46c [ 78.833983][ T5468] btrfs_commit_transaction+0x1b8/0x3044 [ 78.834940][ T5468] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 78.835784][ T5468] btrfs_ioctl+0x5f0/0xb38 [ 78.836449][ T5468] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.837223][ T5468] invoke_syscall+0x98/0x2b8 [ 78.837888][ T5468] el0_svc_common+0x138/0x258 [ 78.838628][ T5468] do_el0_svc+0x58/0x14c [ 78.839231][ T5468] el0_svc+0x78/0x1e0 [ 78.839827][ T5468] el0t_64_sync_handler+0xcc/0xe4 [ 78.840589][ T5468] el0t_64_sync+0x1a0/0x1a4 [ 78.841300][ T5468] irq event stamp: 79742 [ 78.842008][ T5468] hardirqs last enabled at (79741): [] __up_console_sem+0xb4/0x100 [ 78.843563][ T5468] hardirqs last disabled at (79742): [] el1_dbg+0x24/0x80 [ 78.844909][ T5468] softirqs last enabled at (79720): [] handle_softirqs+0xa4c/0xbf0 [ 78.846301][ T5468] softirqs last disabled at (79687): [] __irq_exit_rcu+0x240/0x440 [ 78.847805][ T5468] ---[ end trace 4596da51229b921e ]--- [ 78.848814][ T5468] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 78.850612][ T5468] BTRFS info (device loop0): forced readonly [ 78.984359][ T5490] loop0: detected capacity change from 0 to 32768 [ 79.033143][ T5490] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.37 (5490) [ 79.037058][ T5490] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 79.038473][ T5490] BTRFS info (device loop0): enabling auto defrag [ 79.039844][ T5490] BTRFS info (device loop0): enabling ssd optimizations [ 79.040887][ T5490] BTRFS info (device loop0): using spread ssd allocation scheme [ 79.042067][ T5490] BTRFS info (device loop0): max_inline at 0 [ 79.042935][ T5490] BTRFS info (device loop0): force clearing of disk cache [ 79.043947][ T5490] BTRFS info (device loop0): turning on sync discard [ 79.044947][ T5490] BTRFS info (device loop0): disabling free space tree [ 79.045973][ T5490] BTRFS info (device loop0): has skinny extents [ 79.054074][ T5490] BTRFS info (device loop0): clearing free space tree [ 79.055111][ T5490] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 79.056704][ T5490] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 79.061927][ T5490] FAULT_INJECTION: forcing a failure. [ 79.061927][ T5490] name failslab, interval 1, probability 0, space 0, times 0 [ 79.064032][ T5490] CPU: 0 PID: 5490 Comm: syz.0.37 Tainted: G W syzkaller #0 [ 79.065244][ T5490] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 79.066658][ T5490] Call trace: [ 79.067106][ T5490] dump_backtrace+0x0/0x43c [ 79.067738][ T5490] show_stack+0x2c/0x3c [ 79.068317][ T5490] __dump_stack+0x30/0x40 [ 79.068944][ T5490] dump_stack_lvl+0xf8/0x160 [ 79.069708][ T5490] dump_stack+0x1c/0x5c [ 79.070394][ T5490] should_fail+0x3c0/0x51c [ 79.071085][ T5490] __should_failslab+0xbc/0x10c [ 79.071884][ T5490] should_failslab+0x10/0x28 [ 79.072660][ T5490] slab_pre_alloc_hook+0x64/0xec [ 79.073511][ T5490] kmem_cache_alloc+0x94/0x3e4 [ 79.074314][ T5490] btrfs_alloc_path+0x5c/0x68 [ 79.075080][ T5490] __btrfs_free_extent+0x19c/0x1aa4 [ 79.075974][ T5490] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 79.076816][ T5490] btrfs_run_delayed_refs+0x124/0x46c [ 79.077713][ T5490] btrfs_commit_transaction+0x1b8/0x3044 [ 79.078607][ T5490] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 79.079502][ T5490] btrfs_ioctl+0x5f0/0xb38 [ 79.080199][ T5490] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.080947][ T5490] invoke_syscall+0x98/0x2b8 [ 79.081624][ T5490] el0_svc_common+0x138/0x258 [ 79.082388][ T5490] do_el0_svc+0x58/0x14c [ 79.083134][ T5490] el0_svc+0x78/0x1e0 [ 79.083792][ T5490] el0t_64_sync_handler+0xcc/0xe4 [ 79.084586][ T5490] el0t_64_sync+0x1a0/0x1a4 [ 79.086658][ T5490] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 79.088620][ T5490] ------------[ cut here ]------------ [ 79.089648][ T5490] WARNING: CPU: 0 PID: 5490 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 79.091097][ T5490] Modules linked in: [ 79.091649][ T5490] CPU: 0 PID: 5490 Comm: syz.0.37 Tainted: G W syzkaller #0 [ 79.092808][ T5490] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 79.094300][ T5490] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.095555][ T5490] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 79.096493][ T5490] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 79.097376][ T5490] sp : ffff8000219877d0 [ 79.098012][ T5490] x29: ffff8000219877e0 x28: ffff0000d6409000 x27: dfff800000000000 [ 79.099273][ T5490] x26: ffff0000d6409024 x25: ffff0000c20bc000 x24: 1fffe0001bd767ef [ 79.100612][ T5490] x23: 1fffe0001bd767ef x22: ffff0000debb3f78 x21: 00000000fffffff4 [ 79.102005][ T5490] x20: 0000000000000051 x19: ffff0000debb3f20 x18: 0000000000000001 [ 79.103356][ T5490] x17: 0000000000000000 x16: ffff800008302168 x15: 00000000ffffffff [ 79.104689][ T5490] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 79.105928][ T5490] x11: 0000000000000000 x10: 0000000000000000 x9 : 7778edb1f2916a00 [ 79.107289][ T5490] x8 : 7778edb1f2916a00 x7 : 0000000000000001 x6 : 0000000000000001 [ 79.108636][ T5490] x5 : ffff8000219870b8 x4 : ffff80001425f420 x3 : ffff800008302278 [ 79.109827][ T5490] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 79.110977][ T5490] Call trace: [ 79.111426][ T5490] btrfs_run_delayed_refs+0x3f4/0x46c [ 79.112208][ T5490] btrfs_commit_transaction+0x1b8/0x3044 [ 79.112977][ T5490] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 79.113785][ T5490] btrfs_ioctl+0x5f0/0xb38 [ 79.114428][ T5490] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.115262][ T5490] invoke_syscall+0x98/0x2b8 [ 79.115991][ T5490] el0_svc_common+0x138/0x258 [ 79.116708][ T5490] do_el0_svc+0x58/0x14c [ 79.117377][ T5490] el0_svc+0x78/0x1e0 [ 79.118031][ T5490] el0t_64_sync_handler+0xcc/0xe4 [ 79.118856][ T5490] el0t_64_sync+0x1a0/0x1a4 [ 79.119567][ T5490] irq event stamp: 79606 [ 79.120241][ T5490] hardirqs last enabled at (79605): [] __up_console_sem+0xb4/0x100 [ 79.121814][ T5490] hardirqs last disabled at (79606): [] el1_dbg+0x24/0x80 [ 79.123133][ T5490] softirqs last enabled at (79594): [] handle_softirqs+0xa4c/0xbf0 [ 79.124804][ T5490] softirqs last disabled at (79575): [] __irq_exit_rcu+0x240/0x440 [ 79.126311][ T5490] ---[ end trace 4596da51229b921f ]--- [ 79.128067][ T5490] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 79.129704][ T5490] BTRFS info (device loop0): forced readonly [ 79.300612][ T5512] loop0: detected capacity change from 0 to 32768 [ 79.340246][ T5512] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.38 (5512) [ 79.342970][ T5512] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 79.344714][ T5512] BTRFS info (device loop0): enabling auto defrag [ 79.345722][ T5512] BTRFS info (device loop0): enabling ssd optimizations [ 79.346916][ T5512] BTRFS info (device loop0): using spread ssd allocation scheme [ 79.348144][ T5512] BTRFS info (device loop0): max_inline at 0 [ 79.349261][ T5512] BTRFS info (device loop0): force clearing of disk cache [ 79.350435][ T5512] BTRFS info (device loop0): turning on sync discard [ 79.351537][ T5512] BTRFS info (device loop0): disabling free space tree [ 79.352672][ T5512] BTRFS info (device loop0): has skinny extents [ 79.360363][ T5512] BTRFS info (device loop0): clearing free space tree [ 79.361435][ T5512] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 79.362891][ T5512] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 79.367867][ T5512] FAULT_INJECTION: forcing a failure. [ 79.367867][ T5512] name failslab, interval 1, probability 0, space 0, times 0 [ 79.370764][ T5512] CPU: 1 PID: 5512 Comm: syz.0.38 Tainted: G W syzkaller #0 [ 79.372011][ T5512] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 79.373512][ T5512] Call trace: [ 79.374011][ T5512] dump_backtrace+0x0/0x43c [ 79.374641][ T5512] show_stack+0x2c/0x3c [ 79.375315][ T5512] __dump_stack+0x30/0x40 [ 79.376003][ T5512] dump_stack_lvl+0xf8/0x160 [ 79.376714][ T5512] dump_stack+0x1c/0x5c [ 79.377359][ T5512] should_fail+0x3c0/0x51c [ 79.378063][ T5512] __should_failslab+0xbc/0x10c [ 79.378865][ T5512] should_failslab+0x10/0x28 [ 79.379612][ T5512] slab_pre_alloc_hook+0x64/0xec [ 79.380374][ T5512] kmem_cache_alloc+0x94/0x3e4 [ 79.381108][ T5512] start_transaction+0x4d0/0x13f0 [ 79.381843][ T5512] btrfs_start_transaction+0x34/0x44 [ 79.382707][ T5512] btrfs_ioctl_set_fslabel+0x28c/0x384 [ 79.383537][ T5512] btrfs_ioctl+0x5f0/0xb38 [ 79.384238][ T5512] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.384989][ T5512] invoke_syscall+0x98/0x2b8 [ 79.385643][ T5512] el0_svc_common+0x138/0x258 [ 79.386324][ T5512] do_el0_svc+0x58/0x14c [ 79.386933][ T5512] el0_svc+0x78/0x1e0 [ 79.387477][ T5512] el0t_64_sync_handler+0xcc/0xe4 [ 79.388252][ T5512] el0t_64_sync+0x1a0/0x1a4 [ 79.538229][ T5534] loop0: detected capacity change from 0 to 32768 [ 79.639842][ T5534] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.39 (5534) [ 79.681943][ T5534] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 79.683404][ T5534] BTRFS info (device loop0): enabling auto defrag [ 79.684386][ T5534] BTRFS info (device loop0): enabling ssd optimizations [ 79.685394][ T5534] BTRFS info (device loop0): using spread ssd allocation scheme [ 79.686994][ T5534] BTRFS info (device loop0): max_inline at 0 [ 79.688020][ T5534] BTRFS info (device loop0): force clearing of disk cache [ 79.689622][ T5534] BTRFS info (device loop0): turning on sync discard [ 79.690648][ T5534] BTRFS info (device loop0): disabling free space tree [ 79.691759][ T5534] BTRFS info (device loop0): has skinny extents [ 79.700351][ T5534] BTRFS info (device loop0): clearing free space tree [ 79.701467][ T5534] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 79.702890][ T5534] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 79.708090][ T5534] FAULT_INJECTION: forcing a failure. [ 79.708090][ T5534] name failslab, interval 1, probability 0, space 0, times 0 [ 79.710455][ T5534] CPU: 0 PID: 5534 Comm: syz.0.39 Tainted: G W syzkaller #0 [ 79.711777][ T5534] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 79.713217][ T5534] Call trace: [ 79.713712][ T5534] dump_backtrace+0x0/0x43c [ 79.714410][ T5534] show_stack+0x2c/0x3c [ 79.715039][ T5534] __dump_stack+0x30/0x40 [ 79.715722][ T5534] dump_stack_lvl+0xf8/0x160 [ 79.716505][ T5534] dump_stack+0x1c/0x5c [ 79.717178][ T5534] should_fail+0x3c0/0x51c [ 79.717898][ T5534] __should_failslab+0xbc/0x10c [ 79.718705][ T5534] should_failslab+0x10/0x28 [ 79.719449][ T5534] slab_pre_alloc_hook+0x64/0xec [ 79.720282][ T5534] kmem_cache_alloc+0x94/0x3e4 [ 79.721041][ T5534] btrfs_alloc_path+0x5c/0x68 [ 79.721862][ T5534] __btrfs_free_extent+0x19c/0x1aa4 [ 79.722705][ T5534] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 79.723597][ T5534] btrfs_run_delayed_refs+0x124/0x46c [ 79.724379][ T5534] btrfs_commit_transaction+0x1b8/0x3044 [ 79.725232][ T5534] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 79.726083][ T5534] btrfs_ioctl+0x5f0/0xb38 [ 79.726727][ T5534] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.727501][ T5534] invoke_syscall+0x98/0x2b8 [ 79.728271][ T5534] el0_svc_common+0x138/0x258 [ 79.728962][ T5534] do_el0_svc+0x58/0x14c [ 79.729588][ T5534] el0_svc+0x78/0x1e0 [ 79.730185][ T5534] el0t_64_sync_handler+0xcc/0xe4 [ 79.730859][ T5534] el0t_64_sync+0x1a0/0x1a4 [ 79.733582][ T5534] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 79.735607][ T5534] ------------[ cut here ]------------ [ 79.736669][ T5534] WARNING: CPU: 0 PID: 5534 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 79.738069][ T5534] Modules linked in: [ 79.738679][ T5534] CPU: 0 PID: 5534 Comm: syz.0.39 Tainted: G W syzkaller #0 [ 79.740061][ T5534] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 79.741490][ T5534] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.742619][ T5534] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 79.743447][ T5534] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 79.744263][ T5534] sp : ffff800021ba77d0 [ 79.744809][ T5534] x29: ffff800021ba77e0 x28: ffff0000d9c10000 x27: dfff800000000000 [ 79.745940][ T5534] x26: ffff0000d9c10024 x25: ffff0000d7cb0000 x24: 1fffe0001bd766e7 [ 79.747094][ T5534] x23: 1fffe0001bd766e7 x22: ffff0000debb3738 x21: 00000000fffffff4 [ 79.748257][ T5534] x20: 0000000000000051 x19: ffff0000debb36e0 x18: 0000000000000001 [ 79.749402][ T5534] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 79.750561][ T5534] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 79.751764][ T5534] x11: 0000000000000000 x10: 0000000000000000 x9 : 24eb7c36ce8e5e00 [ 79.753135][ T5534] x8 : 24eb7c36ce8e5e00 x7 : 0000000000000001 x6 : 0000000000000001 [ 79.754495][ T5534] x5 : ffff800021ba70b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 79.755706][ T5534] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 79.756899][ T5534] Call trace: [ 79.757443][ T5534] btrfs_run_delayed_refs+0x3f4/0x46c [ 79.758277][ T5534] btrfs_commit_transaction+0x1b8/0x3044 [ 79.759146][ T5534] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 79.759906][ T5534] btrfs_ioctl+0x5f0/0xb38 [ 79.760549][ T5534] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.761273][ T5534] invoke_syscall+0x98/0x2b8 [ 79.761963][ T5534] el0_svc_common+0x138/0x258 [ 79.762626][ T5534] do_el0_svc+0x58/0x14c [ 79.763238][ T5534] el0_svc+0x78/0x1e0 [ 79.763824][ T5534] el0t_64_sync_handler+0xcc/0xe4 [ 79.764523][ T5534] el0t_64_sync+0x1a0/0x1a4 [ 79.765149][ T5534] irq event stamp: 79216 [ 79.765720][ T5534] hardirqs last enabled at (79215): [] __up_console_sem+0xb4/0x100 [ 79.767063][ T5534] hardirqs last disabled at (79216): [] el1_dbg+0x24/0x80 [ 79.768312][ T5534] softirqs last enabled at (79184): [] handle_softirqs+0xa4c/0xbf0 [ 79.769722][ T5534] softirqs last disabled at (79169): [] __irq_exit_rcu+0x240/0x440 [ 79.771083][ T5534] ---[ end trace 4596da51229b9220 ]--- [ 79.774613][ T5534] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 79.776033][ T5534] BTRFS info (device loop0): forced readonly [ 79.947985][ T5556] loop0: detected capacity change from 0 to 32768 [ 80.008725][ T5556] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.40 (5556) [ 80.012878][ T5556] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 80.014186][ T5556] BTRFS info (device loop0): enabling auto defrag [ 80.015165][ T5556] BTRFS info (device loop0): enabling ssd optimizations [ 80.016410][ T5556] BTRFS info (device loop0): using spread ssd allocation scheme [ 80.017546][ T5556] BTRFS info (device loop0): max_inline at 0 [ 80.018476][ T5556] BTRFS info (device loop0): force clearing of disk cache [ 80.021499][ T5556] BTRFS info (device loop0): turning on sync discard [ 80.033053][ T5556] FAULT_INJECTION: forcing a failure. [ 80.033053][ T5556] name failslab, interval 1, probability 0, space 0, times 0 [ 80.035033][ T5556] CPU: 1 PID: 5556 Comm: syz.0.40 Tainted: G W syzkaller #0 [ 80.036362][ T5556] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 80.037831][ T5556] Call trace: [ 80.038324][ T5556] dump_backtrace+0x0/0x43c [ 80.039014][ T5556] show_stack+0x2c/0x3c [ 80.039607][ T5556] __dump_stack+0x30/0x40 [ 80.040263][ T5556] dump_stack_lvl+0xf8/0x160 [ 80.040932][ T5556] dump_stack+0x1c/0x5c [ 80.041527][ T5556] should_fail+0x3c0/0x51c [ 80.042197][ T5556] __should_failslab+0xbc/0x10c [ 80.042941][ T5556] should_failslab+0x10/0x28 [ 80.043609][ T5556] slab_pre_alloc_hook+0x64/0xec [ 80.044326][ T5556] kmem_cache_alloc+0x94/0x3e4 [ 80.045092][ T5556] btrfs_alloc_path+0x5c/0x68 [ 80.045887][ T5556] __btrfs_run_delayed_refs+0xd70/0x3354 [ 80.046859][ T5556] btrfs_run_delayed_refs+0x124/0x46c [ 80.047747][ T5556] btrfs_commit_transaction+0x1b8/0x3044 [ 80.048695][ T5556] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 80.049635][ T5556] btrfs_ioctl+0x5f0/0xb38 [ 80.050364][ T5556] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.051110][ T5556] invoke_syscall+0x98/0x2b8 [ 80.051756][ T5556] el0_svc_common+0x138/0x258 [ 80.052436][ T5556] do_el0_svc+0x58/0x14c [ 80.053039][ T5556] el0_svc+0x78/0x1e0 [ 80.053602][ T5556] el0t_64_sync_handler+0xcc/0xe4 [ 80.054320][ T5556] el0t_64_sync+0x1a0/0x1a4 [ 80.057280][ T5556] BTRFS error (device loop0): failed to run delayed ref for logical 5246976 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 80.059293][ T5556] ------------[ cut here ]------------ [ 80.060226][ T5556] WARNING: CPU: 1 PID: 5556 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 80.061831][ T5556] Modules linked in: [ 80.062472][ T5556] CPU: 1 PID: 5556 Comm: syz.0.40 Tainted: G W syzkaller #0 [ 80.063842][ T5556] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 80.065491][ T5556] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 80.066671][ T5556] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 80.067601][ T5556] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 80.068556][ T5556] sp : ffff800021ec77d0 [ 80.069247][ T5556] x29: ffff800021ec77e0 x28: ffff0000c20a8000 x27: dfff800000000000 [ 80.070669][ T5556] x26: ffff0000c20a8024 x25: ffff0000d1a44000 x24: 1fffe0001c50f3d9 [ 80.071895][ T5556] x23: 1fffe0001c50f3d9 x22: ffff0000e2879ec8 x21: 00000000fffffff4 [ 80.073209][ T5556] x20: 0000000000000051 x19: ffff0000e2879e70 x18: 0000000000000001 [ 80.074485][ T5556] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 80.075697][ T5556] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 80.077060][ T5556] x11: 0000000000000000 x10: 0000000000000000 x9 : e9c3b525bdab5700 [ 80.078279][ T5556] x8 : e9c3b525bdab5700 x7 : 0000000000000001 x6 : 0000000000000001 [ 80.079540][ T5556] x5 : ffff800021ec70b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 80.080905][ T5556] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 80.082250][ T5556] Call trace: [ 80.082794][ T5556] btrfs_run_delayed_refs+0x3f4/0x46c [ 80.083670][ T5556] btrfs_commit_transaction+0x1b8/0x3044 [ 80.084554][ T5556] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 80.085400][ T5556] btrfs_ioctl+0x5f0/0xb38 [ 80.086172][ T5556] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.086939][ T5556] invoke_syscall+0x98/0x2b8 [ 80.087703][ T5556] el0_svc_common+0x138/0x258 [ 80.088479][ T5556] do_el0_svc+0x58/0x14c [ 80.089147][ T5556] el0_svc+0x78/0x1e0 [ 80.089750][ T5556] el0t_64_sync_handler+0xcc/0xe4 [ 80.090564][ T5556] el0t_64_sync+0x1a0/0x1a4 [ 80.091279][ T5556] irq event stamp: 79924 [ 80.091931][ T5556] hardirqs last enabled at (79923): [] __up_console_sem+0xb4/0x100 [ 80.093617][ T5556] hardirqs last disabled at (79924): [] el1_dbg+0x24/0x80 [ 80.095028][ T5556] softirqs last enabled at (79902): [] handle_softirqs+0xa4c/0xbf0 [ 80.096583][ T5556] softirqs last disabled at (79873): [] __irq_exit_rcu+0x240/0x440 [ 80.098037][ T5556] ---[ end trace 4596da51229b9221 ]--- [ 80.101422][ T5556] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 80.270654][ T5578] loop0: detected capacity change from 0 to 32768 [ 80.313165][ T5578] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.41 (5578) [ 80.330128][ T5578] FAULT_INJECTION: forcing a failure. [ 80.330128][ T5578] name failslab, interval 1, probability 0, space 0, times 0 [ 80.332251][ T5578] CPU: 0 PID: 5578 Comm: syz.0.41 Tainted: G W syzkaller #0 [ 80.333649][ T5578] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 80.335271][ T5578] Call trace: [ 80.335771][ T5578] dump_backtrace+0x0/0x43c [ 80.336439][ T5578] show_stack+0x2c/0x3c [ 80.337079][ T5578] __dump_stack+0x30/0x40 [ 80.337750][ T5578] dump_stack_lvl+0xf8/0x160 [ 80.338414][ T5578] dump_stack+0x1c/0x5c [ 80.339029][ T5578] should_fail+0x3c0/0x51c [ 80.339652][ T5578] __should_failslab+0xbc/0x10c [ 80.340415][ T5578] should_failslab+0x10/0x28 [ 80.341100][ T5578] slab_pre_alloc_hook+0x64/0xec [ 80.341951][ T5578] kmem_cache_alloc+0x94/0x3e4 [ 80.342777][ T5578] btrfs_alloc_path+0x5c/0x68 [ 80.343507][ T5578] __btrfs_run_delayed_refs+0xd70/0x3354 [ 80.344381][ T5578] btrfs_run_delayed_refs+0x124/0x46c [ 80.345232][ T5578] btrfs_commit_transaction+0x1b8/0x3044 [ 80.346072][ T5578] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 80.346930][ T5578] btrfs_ioctl+0x5f0/0xb38 [ 80.347611][ T5578] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.348426][ T5578] invoke_syscall+0x98/0x2b8 [ 80.349116][ T5578] el0_svc_common+0x138/0x258 [ 80.349854][ T5578] do_el0_svc+0x58/0x14c [ 80.350535][ T5578] el0_svc+0x78/0x1e0 [ 80.351176][ T5578] el0t_64_sync_handler+0xcc/0xe4 [ 80.352019][ T5578] el0t_64_sync+0x1a0/0x1a4 [ 80.353471][ T5578] BTRFS error (device loop0): failed to run delayed ref for logical 5246976 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 80.355397][ T5578] ------------[ cut here ]------------ [ 80.356366][ T5578] WARNING: CPU: 0 PID: 5578 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 80.357815][ T5578] Modules linked in: [ 80.358338][ T5578] CPU: 0 PID: 5578 Comm: syz.0.41 Tainted: G W syzkaller #0 [ 80.359702][ T5578] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 80.361379][ T5578] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 80.362608][ T5578] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 80.363614][ T5578] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 80.364585][ T5578] sp : ffff800021f777d0 [ 80.365246][ T5578] x29: ffff800021f777e0 x28: ffff0000d9c14000 x27: dfff800000000000 [ 80.366425][ T5578] x26: ffff0000d9c14024 x25: ffff0000e8b68000 x24: 1fffe0001bd7664d [ 80.367693][ T5578] x23: 1fffe0001bd7664d x22: ffff0000debb3268 x21: 00000000fffffff4 [ 80.368955][ T5578] x20: 0000000000000051 x19: ffff0000debb3210 x18: 0000000000000001 [ 80.370202][ T5578] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 80.371401][ T5578] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 80.372598][ T5578] x11: 0000000000000000 x10: 0000000000000000 x9 : e2f027b18e294200 [ 80.373912][ T5578] x8 : e2f027b18e294200 x7 : 0000000000000001 x6 : 0000000000000001 [ 80.375203][ T5578] x5 : ffff800021f770b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 80.376334][ T5578] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 80.377522][ T5578] Call trace: [ 80.377977][ T5578] btrfs_run_delayed_refs+0x3f4/0x46c [ 80.378761][ T5578] btrfs_commit_transaction+0x1b8/0x3044 [ 80.379606][ T5578] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 80.380520][ T5578] btrfs_ioctl+0x5f0/0xb38 [ 80.381199][ T5578] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.382013][ T5578] invoke_syscall+0x98/0x2b8 [ 80.382755][ T5578] el0_svc_common+0x138/0x258 [ 80.383486][ T5578] do_el0_svc+0x58/0x14c [ 80.384214][ T5578] el0_svc+0x78/0x1e0 [ 80.384881][ T5578] el0t_64_sync_handler+0xcc/0xe4 [ 80.385692][ T5578] el0t_64_sync+0x1a0/0x1a4 [ 80.386383][ T5578] irq event stamp: 79472 [ 80.386972][ T5578] hardirqs last enabled at (79471): [] __up_console_sem+0xb4/0x100 [ 80.388423][ T5578] hardirqs last disabled at (79472): [] el1_dbg+0x24/0x80 [ 80.389673][ T5578] softirqs last enabled at (79438): [] handle_softirqs+0xa4c/0xbf0 [ 80.391128][ T5578] softirqs last disabled at (79425): [] __irq_exit_rcu+0x240/0x440 [ 80.392506][ T5578] ---[ end trace 4596da51229b9222 ]--- [ 80.393483][ T5578] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 80.529910][ T5600] loop0: detected capacity change from 0 to 32768 [ 80.580404][ T5600] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.42 (5600) [ 80.600435][ T5600] FAULT_INJECTION: forcing a failure. [ 80.600435][ T5600] name failslab, interval 1, probability 0, space 0, times 0 [ 80.602370][ T5600] CPU: 1 PID: 5600 Comm: syz.0.42 Tainted: G W syzkaller #0 [ 80.603750][ T5600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 80.605431][ T5600] Call trace: [ 80.605968][ T5600] dump_backtrace+0x0/0x43c [ 80.606692][ T5600] show_stack+0x2c/0x3c [ 80.607320][ T5600] __dump_stack+0x30/0x40 [ 80.607967][ T5600] dump_stack_lvl+0xf8/0x160 [ 80.608624][ T5600] dump_stack+0x1c/0x5c [ 80.609244][ T5600] should_fail+0x3c0/0x51c [ 80.609885][ T5600] __should_failslab+0xbc/0x10c [ 80.610610][ T5600] should_failslab+0x10/0x28 [ 80.611345][ T5600] slab_pre_alloc_hook+0x64/0xec [ 80.612084][ T5600] kmem_cache_alloc+0x94/0x3e4 [ 80.612768][ T5600] btrfs_alloc_path+0x5c/0x68 [ 80.613465][ T5600] __btrfs_run_delayed_refs+0xd70/0x3354 [ 80.614352][ T5600] btrfs_run_delayed_refs+0x124/0x46c [ 80.615188][ T5600] btrfs_commit_transaction+0x1b8/0x3044 [ 80.616097][ T5600] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 80.616931][ T5600] btrfs_ioctl+0x5f0/0xb38 [ 80.617610][ T5600] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.618333][ T5600] invoke_syscall+0x98/0x2b8 [ 80.619023][ T5600] el0_svc_common+0x138/0x258 [ 80.619701][ T5600] do_el0_svc+0x58/0x14c [ 80.620328][ T5600] el0_svc+0x78/0x1e0 [ 80.620882][ T5600] el0t_64_sync_handler+0xcc/0xe4 [ 80.621597][ T5600] el0t_64_sync+0x1a0/0x1a4 [ 80.623820][ T5600] BTRFS error (device loop0): failed to run delayed ref for logical 5246976 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 80.625762][ T5600] ------------[ cut here ]------------ [ 80.626643][ T5600] WARNING: CPU: 1 PID: 5600 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 80.628126][ T5600] Modules linked in: [ 80.628748][ T5600] CPU: 1 PID: 5600 Comm: syz.0.42 Tainted: G W syzkaller #0 [ 80.630114][ T5600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 80.631739][ T5600] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 80.633056][ T5600] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 80.633935][ T5600] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 80.634897][ T5600] sp : ffff8000220077d0 [ 80.635525][ T5600] x29: ffff8000220077e0 x28: ffff0000c7f1b000 x27: dfff800000000000 [ 80.636736][ T5600] x26: ffff0000c7f1b024 x25: ffff0000d70ac000 x24: 1fffe0001c50f3ef [ 80.637929][ T5600] x23: 1fffe0001c50f3ef x22: ffff0000e2879f78 x21: 00000000fffffff4 [ 80.639202][ T5600] x20: 0000000000000051 x19: ffff0000e2879f20 x18: 0000000000000001 [ 80.640504][ T5600] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 80.641843][ T5600] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 80.643146][ T5600] x11: 0000000000000000 x10: 0000000000000000 x9 : d3cad078eb580500 [ 80.644462][ T5600] x8 : d3cad078eb580500 x7 : 0000000000000001 x6 : 0000000000000001 [ 80.645744][ T5600] x5 : ffff8000220070b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 80.647056][ T5600] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 80.648330][ T5600] Call trace: [ 80.648839][ T5600] btrfs_run_delayed_refs+0x3f4/0x46c [ 80.649628][ T5600] btrfs_commit_transaction+0x1b8/0x3044 [ 80.650497][ T5600] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 80.651411][ T5600] btrfs_ioctl+0x5f0/0xb38 [ 80.652123][ T5600] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.652901][ T5600] invoke_syscall+0x98/0x2b8 [ 80.653667][ T5600] el0_svc_common+0x138/0x258 [ 80.654390][ T5600] do_el0_svc+0x58/0x14c [ 80.655077][ T5600] el0_svc+0x78/0x1e0 [ 80.655644][ T5600] el0t_64_sync_handler+0xcc/0xe4 [ 80.656399][ T5600] el0t_64_sync+0x1a0/0x1a4 [ 80.657111][ T5600] irq event stamp: 79326 [ 80.657775][ T5600] hardirqs last enabled at (79325): [] __up_console_sem+0xb4/0x100 [ 80.659253][ T5600] hardirqs last disabled at (79326): [] el1_dbg+0x24/0x80 [ 80.660485][ T5600] softirqs last enabled at (79292): [] handle_softirqs+0xa4c/0xbf0 [ 80.661793][ T5600] softirqs last disabled at (79251): [] __irq_exit_rcu+0x240/0x440 [ 80.663123][ T5600] ---[ end trace 4596da51229b9223 ]--- [ 80.666501][ T5600] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 80.798697][ T5622] loop0: detected capacity change from 0 to 32768 [ 80.805772][ T5622] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.43 (5622) [ 80.839374][ T5622] FAULT_INJECTION: forcing a failure. [ 80.839374][ T5622] name failslab, interval 1, probability 0, space 0, times 0 [ 80.841435][ T5622] CPU: 0 PID: 5622 Comm: syz.0.43 Tainted: G W syzkaller #0 [ 80.842861][ T5622] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 80.844475][ T5622] Call trace: [ 80.844966][ T5622] dump_backtrace+0x0/0x43c [ 80.845652][ T5622] show_stack+0x2c/0x3c [ 80.846287][ T5622] __dump_stack+0x30/0x40 [ 80.846997][ T5622] dump_stack_lvl+0xf8/0x160 [ 80.847742][ T5622] dump_stack+0x1c/0x5c [ 80.848387][ T5622] should_fail+0x3c0/0x51c [ 80.849063][ T5622] __should_failslab+0xbc/0x10c [ 80.849841][ T5622] should_failslab+0x10/0x28 [ 80.850586][ T5622] slab_pre_alloc_hook+0x64/0xec [ 80.851382][ T5622] kmem_cache_alloc+0x94/0x3e4 [ 80.852072][ T5622] btrfs_alloc_path+0x5c/0x68 [ 80.852793][ T5622] __btrfs_run_delayed_refs+0xd70/0x3354 [ 80.853593][ T5622] btrfs_run_delayed_refs+0x124/0x46c [ 80.854368][ T5622] btrfs_commit_transaction+0x1b8/0x3044 [ 80.855172][ T5622] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 80.856054][ T5622] btrfs_ioctl+0x5f0/0xb38 [ 80.856728][ T5622] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.857421][ T5622] invoke_syscall+0x98/0x2b8 [ 80.858119][ T5622] el0_svc_common+0x138/0x258 [ 80.858883][ T5622] do_el0_svc+0x58/0x14c [ 80.859562][ T5622] el0_svc+0x78/0x1e0 [ 80.860196][ T5622] el0t_64_sync_handler+0xcc/0xe4 [ 80.861011][ T5622] el0t_64_sync+0x1a0/0x1a4 [ 80.862836][ T5622] BTRFS error (device loop0): failed to run delayed ref for logical 5251072 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 80.864893][ T5622] ------------[ cut here ]------------ [ 80.865860][ T5622] WARNING: CPU: 0 PID: 5622 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 80.867370][ T5622] Modules linked in: [ 80.867936][ T5622] CPU: 0 PID: 5622 Comm: syz.0.43 Tainted: G W syzkaller #0 [ 80.869203][ T5622] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 80.870842][ T5622] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 80.872144][ T5622] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 80.873062][ T5622] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 80.873980][ T5622] sp : ffff8000221f77d0 [ 80.874709][ T5622] x29: ffff8000221f77e0 x28: ffff0000d5944000 x27: dfff800000000000 [ 80.876060][ T5622] x26: ffff0000d5944024 x25: ffff0000d70ac000 x24: 1fffe0001bd76621 [ 80.877362][ T5622] x23: 1fffe0001bd76621 x22: ffff0000debb3108 x21: 00000000fffffff4 [ 80.878696][ T5622] x20: 0000000000000051 x19: ffff0000debb30b0 x18: 0000000000000001 [ 80.880085][ T5622] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 80.881427][ T5622] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 80.882797][ T5622] x11: 0000000000000000 x10: 0000000000000000 x9 : bd6de8615fc00100 [ 80.884169][ T5622] x8 : bd6de8615fc00100 x7 : 0000000000000001 x6 : 0000000000000001 [ 80.885543][ T5622] x5 : ffff8000221f70b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 80.886928][ T5622] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 80.888341][ T5622] Call trace: [ 80.888875][ T5622] btrfs_run_delayed_refs+0x3f4/0x46c [ 80.889710][ T5622] btrfs_commit_transaction+0x1b8/0x3044 [ 80.890587][ T5622] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 80.891420][ T5622] btrfs_ioctl+0x5f0/0xb38 [ 80.892159][ T5622] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.892881][ T5622] invoke_syscall+0x98/0x2b8 [ 80.893638][ T5622] el0_svc_common+0x138/0x258 [ 80.894394][ T5622] do_el0_svc+0x58/0x14c [ 80.895072][ T5622] el0_svc+0x78/0x1e0 [ 80.895674][ T5622] el0t_64_sync_handler+0xcc/0xe4 [ 80.896492][ T5622] el0t_64_sync+0x1a0/0x1a4 [ 80.897191][ T5622] irq event stamp: 79220 [ 80.897863][ T5622] hardirqs last enabled at (79219): [] __up_console_sem+0xb4/0x100 [ 80.899268][ T5622] hardirqs last disabled at (79220): [] el1_dbg+0x24/0x80 [ 80.900504][ T5622] softirqs last enabled at (79186): [] handle_softirqs+0xa4c/0xbf0 [ 80.901919][ T5622] softirqs last disabled at (79149): [] __irq_exit_rcu+0x240/0x440 [ 80.903305][ T5622] ---[ end trace 4596da51229b9224 ]--- [ 80.904553][ T5622] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 81.048947][ T5644] loop0: detected capacity change from 0 to 32768 [ 81.055825][ T5644] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.44 (5644) [ 81.082518][ T5644] FAULT_INJECTION: forcing a failure. [ 81.082518][ T5644] name failslab, interval 1, probability 0, space 0, times 0 [ 81.084411][ T5644] CPU: 0 PID: 5644 Comm: syz.0.44 Tainted: G W syzkaller #0 [ 81.085655][ T5644] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 81.087252][ T5644] Call trace: [ 81.087708][ T5644] dump_backtrace+0x0/0x43c [ 81.088396][ T5644] show_stack+0x2c/0x3c [ 81.089029][ T5644] __dump_stack+0x30/0x40 [ 81.089738][ T5644] dump_stack_lvl+0xf8/0x160 [ 81.090496][ T5644] dump_stack+0x1c/0x5c [ 81.091108][ T5644] should_fail+0x3c0/0x51c [ 81.091748][ T5644] __should_failslab+0xbc/0x10c [ 81.092568][ T5644] should_failslab+0x10/0x28 [ 81.093305][ T5644] slab_pre_alloc_hook+0x64/0xec [ 81.094061][ T5644] kmem_cache_alloc+0x94/0x3e4 [ 81.094801][ T5644] btrfs_alloc_path+0x5c/0x68 [ 81.095521][ T5644] __btrfs_run_delayed_refs+0xd70/0x3354 [ 81.096415][ T5644] btrfs_run_delayed_refs+0x124/0x46c [ 81.097264][ T5644] btrfs_commit_transaction+0x1b8/0x3044 [ 81.098136][ T5644] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 81.099059][ T5644] btrfs_ioctl+0x5f0/0xb38 [ 81.099808][ T5644] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.100600][ T5644] invoke_syscall+0x98/0x2b8 [ 81.101344][ T5644] el0_svc_common+0x138/0x258 [ 81.102043][ T5644] do_el0_svc+0x58/0x14c [ 81.102759][ T5644] el0_svc+0x78/0x1e0 [ 81.103436][ T5644] el0t_64_sync_handler+0xcc/0xe4 [ 81.104301][ T5644] el0t_64_sync+0x1a0/0x1a4 [ 81.105805][ T5644] BTRFS error (device loop0): failed to run delayed ref for logical 5246976 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 81.107714][ T5644] ------------[ cut here ]------------ [ 81.108593][ T5644] WARNING: CPU: 0 PID: 5644 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 81.110153][ T5644] Modules linked in: [ 81.110763][ T5644] CPU: 0 PID: 5644 Comm: syz.0.44 Tainted: G W syzkaller #0 [ 81.112168][ T5644] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 81.113793][ T5644] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 81.115038][ T5644] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 81.115900][ T5644] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 81.116830][ T5644] sp : ffff8000221f77d0 [ 81.117523][ T5644] x29: ffff8000221f77e0 x28: ffff0000cfe25000 x27: dfff800000000000 [ 81.118871][ T5644] x26: ffff0000cfe25024 x25: ffff0000d70ac000 x24: 1fffe0001bd76679 [ 81.120088][ T5644] x23: 1fffe0001bd76679 x22: ffff0000debb33c8 x21: 00000000fffffff4 [ 81.121403][ T5644] x20: 0000000000000051 x19: ffff0000debb3370 x18: 0000000000000001 [ 81.122701][ T5644] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 81.123965][ T5644] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 81.125261][ T5644] x11: 0000000000000000 x10: 0000000000000000 x9 : b9a92ad1b500b300 [ 81.126586][ T5644] x8 : b9a92ad1b500b300 x7 : 0000000000000001 x6 : 0000000000000001 [ 81.127902][ T5644] x5 : ffff8000221f70b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 81.129192][ T5644] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 81.130404][ T5644] Call trace: [ 81.130902][ T5644] btrfs_run_delayed_refs+0x3f4/0x46c [ 81.131711][ T5644] btrfs_commit_transaction+0x1b8/0x3044 [ 81.132583][ T5644] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 81.133492][ T5644] btrfs_ioctl+0x5f0/0xb38 [ 81.134240][ T5644] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.134950][ T5644] invoke_syscall+0x98/0x2b8 [ 81.135666][ T5644] el0_svc_common+0x138/0x258 [ 81.136383][ T5644] do_el0_svc+0x58/0x14c [ 81.137034][ T5644] el0_svc+0x78/0x1e0 [ 81.137617][ T5644] el0t_64_sync_handler+0xcc/0xe4 [ 81.138417][ T5644] el0t_64_sync+0x1a0/0x1a4 [ 81.139102][ T5644] irq event stamp: 79716 [ 81.139721][ T5644] hardirqs last enabled at (79715): [] __up_console_sem+0xb4/0x100 [ 81.141066][ T5644] hardirqs last disabled at (79716): [] el1_dbg+0x24/0x80 [ 81.142278][ T5644] softirqs last enabled at (79682): [] handle_softirqs+0xa4c/0xbf0 [ 81.143621][ T5644] softirqs last disabled at (79667): [] __irq_exit_rcu+0x240/0x440 [ 81.145082][ T5644] ---[ end trace 4596da51229b9225 ]--- [ 81.157617][ T5644] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 81.290460][ T5666] loop0: detected capacity change from 0 to 32768 [ 81.340291][ T5666] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.45 (5666) [ 81.401223][ T5666] FAULT_INJECTION: forcing a failure. [ 81.401223][ T5666] name failslab, interval 1, probability 0, space 0, times 0 [ 81.403267][ T5666] CPU: 0 PID: 5666 Comm: syz.0.45 Tainted: G W syzkaller #0 [ 81.404638][ T5666] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 81.406304][ T5666] Call trace: [ 81.406820][ T5666] dump_backtrace+0x0/0x43c [ 81.407492][ T5666] show_stack+0x2c/0x3c [ 81.408095][ T5666] __dump_stack+0x30/0x40 [ 81.408770][ T5666] dump_stack_lvl+0xf8/0x160 [ 81.409429][ T5666] dump_stack+0x1c/0x5c [ 81.410056][ T5666] should_fail+0x3c0/0x51c [ 81.410702][ T5666] __should_failslab+0xbc/0x10c [ 81.411488][ T5666] should_failslab+0x10/0x28 [ 81.412270][ T5666] slab_pre_alloc_hook+0x64/0xec [ 81.413010][ T5666] kmem_cache_alloc+0x94/0x3e4 [ 81.413758][ T5666] start_transaction+0x4d0/0x13f0 [ 81.414520][ T5666] btrfs_start_transaction+0x34/0x44 [ 81.415383][ T5666] btrfs_ioctl_set_fslabel+0x28c/0x384 [ 81.416252][ T5666] btrfs_ioctl+0x5f0/0xb38 [ 81.416926][ T5666] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.417750][ T5666] invoke_syscall+0x98/0x2b8 [ 81.418513][ T5666] el0_svc_common+0x138/0x258 [ 81.419240][ T5666] do_el0_svc+0x58/0x14c [ 81.419876][ T5666] el0_svc+0x78/0x1e0 [ 81.420479][ T5666] el0t_64_sync_handler+0xcc/0xe4 [ 81.421284][ T5666] el0t_64_sync+0x1a0/0x1a4 [ 81.467735][ T4944] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 11 /dev/loop0 scanned by udevd (4944) [ 81.592560][ T5687] loop0: detected capacity change from 0 to 32768 [ 81.783555][ T5687] FAULT_INJECTION: forcing a failure. [ 81.783555][ T5687] name failslab, interval 1, probability 0, space 0, times 0 [ 81.785462][ T5687] CPU: 1 PID: 5687 Comm: syz.0.46 Tainted: G W syzkaller #0 [ 81.786749][ T5687] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 81.788242][ T5687] Call trace: [ 81.788707][ T5687] dump_backtrace+0x0/0x43c [ 81.789374][ T5687] show_stack+0x2c/0x3c [ 81.790021][ T5687] __dump_stack+0x30/0x40 [ 81.790762][ T5687] dump_stack_lvl+0xf8/0x160 [ 81.791543][ T5687] dump_stack+0x1c/0x5c [ 81.792268][ T5687] should_fail+0x3c0/0x51c [ 81.792949][ T5687] __should_failslab+0xbc/0x10c [ 81.793644][ T5687] should_failslab+0x10/0x28 [ 81.794299][ T5687] slab_pre_alloc_hook+0x64/0xec [ 81.795152][ T5687] kmem_cache_alloc+0x94/0x3e4 [ 81.795958][ T5687] start_transaction+0x4d0/0x13f0 [ 81.797018][ T5687] btrfs_start_transaction+0x34/0x44 [ 81.797926][ T5687] btrfs_ioctl_set_fslabel+0x28c/0x384 [ 81.798810][ T5687] btrfs_ioctl+0x5f0/0xb38 [ 81.799484][ T5687] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.800293][ T5687] invoke_syscall+0x98/0x2b8 [ 81.801080][ T5687] el0_svc_common+0x138/0x258 [ 81.801876][ T5687] do_el0_svc+0x58/0x14c [ 81.802571][ T5687] el0_svc+0x78/0x1e0 [ 81.803247][ T5687] el0t_64_sync_handler+0xcc/0xe4 [ 81.804003][ T5687] el0t_64_sync+0x1a0/0x1a4 [ 81.962948][ T5710] loop0: detected capacity change from 0 to 32768 [ 82.056473][ T5710] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.47 (5710) [ 82.085071][ T5710] FAULT_INJECTION: forcing a failure. [ 82.085071][ T5710] name failslab, interval 1, probability 0, space 0, times 0 [ 82.087140][ T5710] CPU: 1 PID: 5710 Comm: syz.0.47 Tainted: G W syzkaller #0 [ 82.088454][ T5710] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 82.090104][ T5710] Call trace: [ 82.090626][ T5710] dump_backtrace+0x0/0x43c [ 82.091331][ T5710] show_stack+0x2c/0x3c [ 82.092013][ T5710] __dump_stack+0x30/0x40 [ 82.092730][ T5710] dump_stack_lvl+0xf8/0x160 [ 82.093481][ T5710] dump_stack+0x1c/0x5c [ 82.094141][ T5710] should_fail+0x3c0/0x51c [ 82.094838][ T5710] __should_failslab+0xbc/0x10c [ 82.095585][ T5710] should_failslab+0x10/0x28 [ 82.096340][ T5710] slab_pre_alloc_hook+0x64/0xec [ 82.097095][ T5710] kmem_cache_alloc+0x94/0x3e4 [ 82.097744][ T5710] btrfs_alloc_path+0x5c/0x68 [ 82.098403][ T5710] __btrfs_run_delayed_refs+0xd70/0x3354 [ 82.099269][ T5710] btrfs_run_delayed_refs+0x124/0x46c [ 82.100085][ T5710] btrfs_commit_transaction+0x1b8/0x3044 [ 82.100957][ T5710] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 82.101733][ T5710] btrfs_ioctl+0x5f0/0xb38 [ 82.102336][ T5710] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.103046][ T5710] invoke_syscall+0x98/0x2b8 [ 82.103759][ T5710] el0_svc_common+0x138/0x258 [ 82.104517][ T5710] do_el0_svc+0x58/0x14c [ 82.105159][ T5710] el0_svc+0x78/0x1e0 [ 82.105820][ T5710] el0t_64_sync_handler+0xcc/0xe4 [ 82.106638][ T5710] el0t_64_sync+0x1a0/0x1a4 [ 82.109971][ T5710] BTRFS error (device loop0): failed to run delayed ref for logical 5251072 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 82.111958][ T5710] ------------[ cut here ]------------ [ 82.112824][ T5710] WARNING: CPU: 1 PID: 5710 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 82.114291][ T5710] Modules linked in: [ 82.114859][ T5710] CPU: 1 PID: 5710 Comm: syz.0.47 Tainted: G W syzkaller #0 [ 82.116124][ T5710] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 82.117656][ T5710] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 82.118911][ T5710] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 82.119877][ T5710] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 82.120852][ T5710] sp : ffff8000221077d0 [ 82.121555][ T5710] x29: ffff8000221077e0 x28: ffff0000ca3dc000 x27: dfff800000000000 [ 82.122888][ T5710] x26: ffff0000ca3dc024 x25: ffff0000ed25c000 x24: 1fffe0001c50f2bb [ 82.124189][ T5710] x23: 1fffe0001c50f2bb x22: ffff0000e28795d8 x21: 00000000fffffff4 [ 82.125482][ T5710] x20: 0000000000000051 x19: ffff0000e2879580 x18: 0000000000000001 [ 82.126839][ T5710] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 82.128165][ T5710] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 82.129406][ T5710] x11: 0000000000000000 x10: 0000000000000000 x9 : 689b85d1998fae00 [ 82.130662][ T5710] x8 : 689b85d1998fae00 x7 : 0000000000000001 x6 : 0000000000000001 [ 82.131872][ T5710] x5 : ffff8000221070b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 82.133087][ T5710] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 82.134302][ T5710] Call trace: [ 82.134821][ T5710] btrfs_run_delayed_refs+0x3f4/0x46c [ 82.135632][ T5710] btrfs_commit_transaction+0x1b8/0x3044 [ 82.136472][ T5710] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 82.137261][ T5710] btrfs_ioctl+0x5f0/0xb38 [ 82.137884][ T5710] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.138608][ T5710] invoke_syscall+0x98/0x2b8 [ 82.139306][ T5710] el0_svc_common+0x138/0x258 [ 82.140019][ T5710] do_el0_svc+0x58/0x14c [ 82.140643][ T5710] el0_svc+0x78/0x1e0 [ 82.141259][ T5710] el0t_64_sync_handler+0xcc/0xe4 [ 82.142112][ T5710] el0t_64_sync+0x1a0/0x1a4 [ 82.142862][ T5710] irq event stamp: 79386 [ 82.143575][ T5710] hardirqs last enabled at (79385): [] __up_console_sem+0xb4/0x100 [ 82.145079][ T5710] hardirqs last disabled at (79386): [] el1_dbg+0x24/0x80 [ 82.146459][ T5710] softirqs last enabled at (79352): [] handle_softirqs+0xa4c/0xbf0 [ 82.147942][ T5710] softirqs last disabled at (79265): [] __irq_exit_rcu+0x240/0x440 [ 82.149316][ T5710] ---[ end trace 4596da51229b9226 ]--- [ 82.152334][ T5710] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 82.198162][ T4944] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 9 /dev/loop0 scanned by udevd (4944) [ 82.291701][ T5732] loop0: detected capacity change from 0 to 32768 [ 82.386232][ T5732] FAULT_INJECTION: forcing a failure. [ 82.386232][ T5732] name failslab, interval 1, probability 0, space 0, times 0 [ 82.388272][ T5732] CPU: 0 PID: 5732 Comm: syz.0.48 Tainted: G W syzkaller #0 [ 82.389513][ T5732] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 82.391040][ T5732] Call trace: [ 82.391583][ T5732] dump_backtrace+0x0/0x43c [ 82.392260][ T5732] show_stack+0x2c/0x3c [ 82.392872][ T5732] __dump_stack+0x30/0x40 [ 82.393532][ T5732] dump_stack_lvl+0xf8/0x160 [ 82.394182][ T5732] dump_stack+0x1c/0x5c [ 82.394791][ T5732] should_fail+0x3c0/0x51c [ 82.395445][ T5732] __should_failslab+0xbc/0x10c [ 82.396225][ T5732] should_failslab+0x10/0x28 [ 82.396980][ T5732] slab_pre_alloc_hook+0x64/0xec [ 82.397815][ T5732] kmem_cache_alloc+0x94/0x3e4 [ 82.398584][ T5732] btrfs_alloc_path+0x5c/0x68 [ 82.399325][ T5732] __btrfs_run_delayed_refs+0xd70/0x3354 [ 82.400190][ T5732] btrfs_run_delayed_refs+0x124/0x46c [ 82.401024][ T5732] btrfs_commit_transaction+0x1b8/0x3044 [ 82.401933][ T5732] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 82.402815][ T5732] btrfs_ioctl+0x5f0/0xb38 [ 82.403566][ T5732] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.404385][ T5732] invoke_syscall+0x98/0x2b8 [ 82.405150][ T5732] el0_svc_common+0x138/0x258 [ 82.405860][ T5732] do_el0_svc+0x58/0x14c [ 82.406553][ T5732] el0_svc+0x78/0x1e0 [ 82.407151][ T5732] el0t_64_sync_handler+0xcc/0xe4 [ 82.407928][ T5732] el0t_64_sync+0x1a0/0x1a4 [ 82.410246][ T5732] BTRFS error (device loop0): failed to run delayed ref for logical 5251072 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 82.412195][ T5732] ------------[ cut here ]------------ [ 82.413093][ T5732] WARNING: CPU: 0 PID: 5732 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 82.414475][ T5732] Modules linked in: [ 82.415042][ T5732] CPU: 0 PID: 5732 Comm: syz.0.48 Tainted: G W syzkaller #0 [ 82.416206][ T5732] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 82.417646][ T5732] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 82.418724][ T5732] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 82.419610][ T5732] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 82.420510][ T5732] sp : ffff8000221f77d0 [ 82.421177][ T5732] x29: ffff8000221f77e0 x28: ffff0000d2c77000 x27: dfff800000000000 [ 82.422502][ T5732] x26: ffff0000d2c77024 x25: ffff0000d3388000 x24: 1fffe0001bd3068f [ 82.423822][ T5732] x23: 1fffe0001bd3068f x22: ffff0000de983478 x21: 00000000fffffff4 [ 82.425122][ T5732] x20: 0000000000000051 x19: ffff0000de983420 x18: 0000000000000001 [ 82.426314][ T5732] x17: 0000000000000000 x16: ffff8000111cbe1c x15: 00000000ffffffff [ 82.427527][ T5732] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 82.428685][ T5732] x11: 0000000000000000 x10: 0000000000000000 x9 : 5e89e435a1c39c00 [ 82.429832][ T5732] x8 : 5e89e435a1c39c00 x7 : 0000000000000001 x6 : 0000000000000001 [ 82.431129][ T5732] x5 : ffff8000221f70b8 x4 : ffff80001425f420 x3 : ffff800008504400 [ 82.432428][ T5732] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 82.433745][ T5732] Call trace: [ 82.434225][ T5732] btrfs_run_delayed_refs+0x3f4/0x46c [ 82.435010][ T5732] btrfs_commit_transaction+0x1b8/0x3044 [ 82.435941][ T5732] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 82.436788][ T5732] btrfs_ioctl+0x5f0/0xb38 [ 82.437479][ T5732] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.438249][ T5732] invoke_syscall+0x98/0x2b8 [ 82.438950][ T5732] el0_svc_common+0x138/0x258 [ 82.439650][ T5732] do_el0_svc+0x58/0x14c [ 82.440261][ T5732] el0_svc+0x78/0x1e0 [ 82.440879][ T5732] el0t_64_sync_handler+0xcc/0xe4 [ 82.441628][ T5732] el0t_64_sync+0x1a0/0x1a4 [ 82.442265][ T5732] irq event stamp: 79746 [ 82.442875][ T5732] hardirqs last enabled at (79745): [] __up_console_sem+0xb4/0x100 [ 82.444296][ T5732] hardirqs last disabled at (79746): [] el1_dbg+0x24/0x80 [ 82.445571][ T5732] softirqs last enabled at (79712): [] handle_softirqs+0xa4c/0xbf0 [ 82.447147][ T5732] softirqs last disabled at (79693): [] __irq_exit_rcu+0x240/0x440 [ 82.448679][ T5732] ---[ end trace 4596da51229b9227 ]--- [ 82.452036][ T5732] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 82.594932][ T5755] loop0: detected capacity change from 0 to 32768 [ 82.602670][ T5755] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.49 (5755) [ 82.623248][ T5755] FAULT_INJECTION: forcing a failure. [ 82.623248][ T5755] name failslab, interval 1, probability 0, space 0, times 0 [ 82.625069][ T5755] CPU: 1 PID: 5755 Comm: syz.0.49 Tainted: G W syzkaller #0 [ 82.626512][ T5755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 82.628045][ T5755] Call trace: [ 82.628514][ T5755] dump_backtrace+0x0/0x43c [ 82.629152][ T5755] show_stack+0x2c/0x3c [ 82.629728][ T5755] __dump_stack+0x30/0x40 [ 82.630421][ T5755] dump_stack_lvl+0xf8/0x160 [ 82.631153][ T5755] dump_stack+0x1c/0x5c [ 82.631820][ T5755] should_fail+0x3c0/0x51c [ 82.632503][ T5755] __should_failslab+0xbc/0x10c [ 82.633299][ T5755] should_failslab+0x10/0x28 [ 82.634048][ T5755] slab_pre_alloc_hook+0x64/0xec [ 82.634833][ T5755] kmem_cache_alloc+0x94/0x3e4 [ 82.635591][ T5755] btrfs_alloc_path+0x5c/0x68 [ 82.636349][ T5755] __btrfs_run_delayed_refs+0xd70/0x3354 [ 82.637280][ T5755] btrfs_run_delayed_refs+0x124/0x46c [ 82.638112][ T5755] btrfs_commit_transaction+0x1b8/0x3044 [ 82.638943][ T5755] btrfs_ioctl_set_fslabel+0x2c8/0x384 [ 82.639750][ T5755] btrfs_ioctl+0x5f0/0xb38 [ 82.640436][ T5755] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.641191][ T5755] invoke_syscall+0x98/0x2b8 [ 82.641943][ T5755] el0_svc_common+0x138/0x258 [ 82.642669][ T5755] do_el0_svc+0x58/0x14c [ 82.643219][ T5755] el0_svc+0x78/0x1e0 [ 82.643811][ T5755] el0t_64_sync_handler+0xcc/0xe4 [ 82.644584][ T5755] el0t_64_sync+0x1a0/0x1a4 [ 82.645493][ T5755] BTRFS error (device loop0): failed to run delayed ref for logical 5251072 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 82.647371][ T5755] ------------[ cut here ]------------